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OSCL-LXR

 
 

    


0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  *  Copyright (c) 2014 Realtek Semiconductor Corp. All rights reserved.
0004  */
0005 
0006 #include <linux/signal.h>
0007 #include <linux/slab.h>
0008 #include <linux/module.h>
0009 #include <linux/netdevice.h>
0010 #include <linux/etherdevice.h>
0011 #include <linux/mii.h>
0012 #include <linux/ethtool.h>
0013 #include <linux/usb.h>
0014 #include <linux/crc32.h>
0015 #include <linux/if_vlan.h>
0016 #include <linux/uaccess.h>
0017 #include <linux/list.h>
0018 #include <linux/ip.h>
0019 #include <linux/ipv6.h>
0020 #include <net/ip6_checksum.h>
0021 #include <uapi/linux/mdio.h>
0022 #include <linux/mdio.h>
0023 #include <linux/usb/cdc.h>
0024 #include <linux/suspend.h>
0025 #include <linux/atomic.h>
0026 #include <linux/acpi.h>
0027 #include <linux/firmware.h>
0028 #include <crypto/hash.h>
0029 #include <linux/usb/r8152.h>
0030 
0031 /* Information for net-next */
0032 #define NETNEXT_VERSION     "12"
0033 
0034 /* Information for net */
0035 #define NET_VERSION     "13"
0036 
0037 #define DRIVER_VERSION      "v1." NETNEXT_VERSION "." NET_VERSION
0038 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
0039 #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
0040 #define MODULENAME "r8152"
0041 
0042 #define R8152_PHY_ID        32
0043 
0044 #define PLA_IDR         0xc000
0045 #define PLA_RCR         0xc010
0046 #define PLA_RCR1        0xc012
0047 #define PLA_RMS         0xc016
0048 #define PLA_RXFIFO_CTRL0    0xc0a0
0049 #define PLA_RXFIFO_FULL     0xc0a2
0050 #define PLA_RXFIFO_CTRL1    0xc0a4
0051 #define PLA_RX_FIFO_FULL    0xc0a6
0052 #define PLA_RXFIFO_CTRL2    0xc0a8
0053 #define PLA_RX_FIFO_EMPTY   0xc0aa
0054 #define PLA_DMY_REG0        0xc0b0
0055 #define PLA_FMC         0xc0b4
0056 #define PLA_CFG_WOL     0xc0b6
0057 #define PLA_TEREDO_CFG      0xc0bc
0058 #define PLA_TEREDO_WAKE_BASE    0xc0c4
0059 #define PLA_MAR         0xcd00
0060 #define PLA_BACKUP      0xd000
0061 #define PLA_BDC_CR      0xd1a0
0062 #define PLA_TEREDO_TIMER    0xd2cc
0063 #define PLA_REALWOW_TIMER   0xd2e8
0064 #define PLA_UPHY_TIMER      0xd388
0065 #define PLA_SUSPEND_FLAG    0xd38a
0066 #define PLA_INDICATE_FALG   0xd38c
0067 #define PLA_MACDBG_PRE      0xd38c  /* RTL_VER_04 only */
0068 #define PLA_MACDBG_POST     0xd38e  /* RTL_VER_04 only */
0069 #define PLA_EXTRA_STATUS    0xd398
0070 #define PLA_GPHY_CTRL       0xd3ae
0071 #define PLA_POL_GPIO_CTRL   0xdc6a
0072 #define PLA_EFUSE_DATA      0xdd00
0073 #define PLA_EFUSE_CMD       0xdd02
0074 #define PLA_LEDSEL      0xdd90
0075 #define PLA_LED_FEATURE     0xdd92
0076 #define PLA_PHYAR       0xde00
0077 #define PLA_BOOT_CTRL       0xe004
0078 #define PLA_LWAKE_CTRL_REG  0xe007
0079 #define PLA_GPHY_INTR_IMR   0xe022
0080 #define PLA_EEE_CR      0xe040
0081 #define PLA_EEE_TXTWSYS     0xe04c
0082 #define PLA_EEE_TXTWSYS_2P5G    0xe058
0083 #define PLA_EEEP_CR     0xe080
0084 #define PLA_MAC_PWR_CTRL    0xe0c0
0085 #define PLA_MAC_PWR_CTRL2   0xe0ca
0086 #define PLA_MAC_PWR_CTRL3   0xe0cc
0087 #define PLA_MAC_PWR_CTRL4   0xe0ce
0088 #define PLA_WDT6_CTRL       0xe428
0089 #define PLA_TCR0        0xe610
0090 #define PLA_TCR1        0xe612
0091 #define PLA_MTPS        0xe615
0092 #define PLA_TXFIFO_CTRL     0xe618
0093 #define PLA_TXFIFO_FULL     0xe61a
0094 #define PLA_RSTTALLY        0xe800
0095 #define PLA_CR          0xe813
0096 #define PLA_CRWECR      0xe81c
0097 #define PLA_CONFIG12        0xe81e  /* CONFIG1, CONFIG2 */
0098 #define PLA_CONFIG34        0xe820  /* CONFIG3, CONFIG4 */
0099 #define PLA_CONFIG5     0xe822
0100 #define PLA_PHY_PWR     0xe84c
0101 #define PLA_OOB_CTRL        0xe84f
0102 #define PLA_CPCR        0xe854
0103 #define PLA_MISC_0      0xe858
0104 #define PLA_MISC_1      0xe85a
0105 #define PLA_OCP_GPHY_BASE   0xe86c
0106 #define PLA_TALLYCNT        0xe890
0107 #define PLA_SFF_STS_7       0xe8de
0108 #define PLA_PHYSTATUS       0xe908
0109 #define PLA_CONFIG6     0xe90a /* CONFIG6 */
0110 #define PLA_USB_CFG     0xe952
0111 #define PLA_BP_BA       0xfc26
0112 #define PLA_BP_0        0xfc28
0113 #define PLA_BP_1        0xfc2a
0114 #define PLA_BP_2        0xfc2c
0115 #define PLA_BP_3        0xfc2e
0116 #define PLA_BP_4        0xfc30
0117 #define PLA_BP_5        0xfc32
0118 #define PLA_BP_6        0xfc34
0119 #define PLA_BP_7        0xfc36
0120 #define PLA_BP_EN       0xfc38
0121 
0122 #define USB_USB2PHY     0xb41e
0123 #define USB_SSPHYLINK1      0xb426
0124 #define USB_SSPHYLINK2      0xb428
0125 #define USB_L1_CTRL     0xb45e
0126 #define USB_U2P3_CTRL       0xb460
0127 #define USB_CSR_DUMMY1      0xb464
0128 #define USB_CSR_DUMMY2      0xb466
0129 #define USB_DEV_STAT        0xb808
0130 #define USB_CONNECT_TIMER   0xcbf8
0131 #define USB_MSC_TIMER       0xcbfc
0132 #define USB_BURST_SIZE      0xcfc0
0133 #define USB_FW_FIX_EN0      0xcfca
0134 #define USB_FW_FIX_EN1      0xcfcc
0135 #define USB_LPM_CONFIG      0xcfd8
0136 #define USB_ECM_OPTION      0xcfee
0137 #define USB_CSTMR       0xcfef  /* RTL8153A */
0138 #define USB_MISC_2      0xcfff
0139 #define USB_ECM_OP      0xd26b
0140 #define USB_GPHY_CTRL       0xd284
0141 #define USB_SPEED_OPTION    0xd32a
0142 #define USB_FW_CTRL     0xd334  /* RTL8153B */
0143 #define USB_FC_TIMER        0xd340
0144 #define USB_USB_CTRL        0xd406
0145 #define USB_PHY_CTRL        0xd408
0146 #define USB_TX_AGG      0xd40a
0147 #define USB_RX_BUF_TH       0xd40c
0148 #define USB_USB_TIMER       0xd428
0149 #define USB_RX_EARLY_TIMEOUT    0xd42c
0150 #define USB_RX_EARLY_SIZE   0xd42e
0151 #define USB_PM_CTRL_STATUS  0xd432  /* RTL8153A */
0152 #define USB_RX_EXTRA_AGGR_TMR   0xd432  /* RTL8153B */
0153 #define USB_TX_DMA      0xd434
0154 #define USB_UPT_RXDMA_OWN   0xd437
0155 #define USB_UPHY3_MDCMDIO   0xd480
0156 #define USB_TOLERANCE       0xd490
0157 #define USB_LPM_CTRL        0xd41a
0158 #define USB_BMU_RESET       0xd4b0
0159 #define USB_BMU_CONFIG      0xd4b4
0160 #define USB_U1U2_TIMER      0xd4da
0161 #define USB_FW_TASK     0xd4e8  /* RTL8153B */
0162 #define USB_RX_AGGR_NUM     0xd4ee
0163 #define USB_UPS_CTRL        0xd800
0164 #define USB_POWER_CUT       0xd80a
0165 #define USB_MISC_0      0xd81a
0166 #define USB_MISC_1      0xd81f
0167 #define USB_AFE_CTRL2       0xd824
0168 #define USB_UPHY_XTAL       0xd826
0169 #define USB_UPS_CFG     0xd842
0170 #define USB_UPS_FLAGS       0xd848
0171 #define USB_WDT1_CTRL       0xe404
0172 #define USB_WDT11_CTRL      0xe43c
0173 #define USB_BP_BA       PLA_BP_BA
0174 #define USB_BP_0        PLA_BP_0
0175 #define USB_BP_1        PLA_BP_1
0176 #define USB_BP_2        PLA_BP_2
0177 #define USB_BP_3        PLA_BP_3
0178 #define USB_BP_4        PLA_BP_4
0179 #define USB_BP_5        PLA_BP_5
0180 #define USB_BP_6        PLA_BP_6
0181 #define USB_BP_7        PLA_BP_7
0182 #define USB_BP_EN       PLA_BP_EN   /* RTL8153A */
0183 #define USB_BP_8        0xfc38      /* RTL8153B */
0184 #define USB_BP_9        0xfc3a
0185 #define USB_BP_10       0xfc3c
0186 #define USB_BP_11       0xfc3e
0187 #define USB_BP_12       0xfc40
0188 #define USB_BP_13       0xfc42
0189 #define USB_BP_14       0xfc44
0190 #define USB_BP_15       0xfc46
0191 #define USB_BP2_EN      0xfc48
0192 
0193 /* OCP Registers */
0194 #define OCP_ALDPS_CONFIG    0x2010
0195 #define OCP_EEE_CONFIG1     0x2080
0196 #define OCP_EEE_CONFIG2     0x2092
0197 #define OCP_EEE_CONFIG3     0x2094
0198 #define OCP_BASE_MII        0xa400
0199 #define OCP_EEE_AR      0xa41a
0200 #define OCP_EEE_DATA        0xa41c
0201 #define OCP_PHY_STATUS      0xa420
0202 #define OCP_NCTL_CFG        0xa42c
0203 #define OCP_POWER_CFG       0xa430
0204 #define OCP_EEE_CFG     0xa432
0205 #define OCP_SRAM_ADDR       0xa436
0206 #define OCP_SRAM_DATA       0xa438
0207 #define OCP_DOWN_SPEED      0xa442
0208 #define OCP_EEE_ABLE        0xa5c4
0209 #define OCP_EEE_ADV     0xa5d0
0210 #define OCP_EEE_LPABLE      0xa5d2
0211 #define OCP_10GBT_CTRL      0xa5d4
0212 #define OCP_10GBT_STAT      0xa5d6
0213 #define OCP_EEE_ADV2        0xa6d4
0214 #define OCP_PHY_STATE       0xa708      /* nway state for 8153 */
0215 #define OCP_PHY_PATCH_STAT  0xb800
0216 #define OCP_PHY_PATCH_CMD   0xb820
0217 #define OCP_PHY_LOCK        0xb82e
0218 #define OCP_ADC_IOFFSET     0xbcfc
0219 #define OCP_ADC_CFG     0xbc06
0220 #define OCP_SYSCLK_CFG      0xc416
0221 
0222 /* SRAM Register */
0223 #define SRAM_GREEN_CFG      0x8011
0224 #define SRAM_LPF_CFG        0x8012
0225 #define SRAM_GPHY_FW_VER    0x801e
0226 #define SRAM_10M_AMP1       0x8080
0227 #define SRAM_10M_AMP2       0x8082
0228 #define SRAM_IMPEDANCE      0x8084
0229 #define SRAM_PHY_LOCK       0xb82e
0230 
0231 /* PLA_RCR */
0232 #define RCR_AAP         0x00000001
0233 #define RCR_APM         0x00000002
0234 #define RCR_AM          0x00000004
0235 #define RCR_AB          0x00000008
0236 #define RCR_ACPT_ALL        (RCR_AAP | RCR_APM | RCR_AM | RCR_AB)
0237 #define SLOT_EN         BIT(11)
0238 
0239 /* PLA_RCR1 */
0240 #define OUTER_VLAN      BIT(7)
0241 #define INNER_VLAN      BIT(6)
0242 
0243 /* PLA_RXFIFO_CTRL0 */
0244 #define RXFIFO_THR1_NORMAL  0x00080002
0245 #define RXFIFO_THR1_OOB     0x01800003
0246 
0247 /* PLA_RXFIFO_FULL */
0248 #define RXFIFO_FULL_MASK    0xfff
0249 
0250 /* PLA_RXFIFO_CTRL1 */
0251 #define RXFIFO_THR2_FULL    0x00000060
0252 #define RXFIFO_THR2_HIGH    0x00000038
0253 #define RXFIFO_THR2_OOB     0x0000004a
0254 #define RXFIFO_THR2_NORMAL  0x00a0
0255 
0256 /* PLA_RXFIFO_CTRL2 */
0257 #define RXFIFO_THR3_FULL    0x00000078
0258 #define RXFIFO_THR3_HIGH    0x00000048
0259 #define RXFIFO_THR3_OOB     0x0000005a
0260 #define RXFIFO_THR3_NORMAL  0x0110
0261 
0262 /* PLA_TXFIFO_CTRL */
0263 #define TXFIFO_THR_NORMAL   0x00400008
0264 #define TXFIFO_THR_NORMAL2  0x01000008
0265 
0266 /* PLA_DMY_REG0 */
0267 #define ECM_ALDPS       0x0002
0268 
0269 /* PLA_FMC */
0270 #define FMC_FCR_MCU_EN      0x0001
0271 
0272 /* PLA_EEEP_CR */
0273 #define EEEP_CR_EEEP_TX     0x0002
0274 
0275 /* PLA_WDT6_CTRL */
0276 #define WDT6_SET_MODE       0x0010
0277 
0278 /* PLA_TCR0 */
0279 #define TCR0_TX_EMPTY       0x0800
0280 #define TCR0_AUTO_FIFO      0x0080
0281 
0282 /* PLA_TCR1 */
0283 #define VERSION_MASK        0x7cf0
0284 #define IFG_MASK        (BIT(3) | BIT(9) | BIT(8))
0285 #define IFG_144NS       BIT(9)
0286 #define IFG_96NS        (BIT(9) | BIT(8))
0287 
0288 /* PLA_MTPS */
0289 #define MTPS_JUMBO      (12 * 1024 / 64)
0290 #define MTPS_DEFAULT        (6 * 1024 / 64)
0291 
0292 /* PLA_RSTTALLY */
0293 #define TALLY_RESET     0x0001
0294 
0295 /* PLA_CR */
0296 #define CR_RST          0x10
0297 #define CR_RE           0x08
0298 #define CR_TE           0x04
0299 
0300 /* PLA_CRWECR */
0301 #define CRWECR_NORAML       0x00
0302 #define CRWECR_CONFIG       0xc0
0303 
0304 /* PLA_OOB_CTRL */
0305 #define NOW_IS_OOB      0x80
0306 #define TXFIFO_EMPTY        0x20
0307 #define RXFIFO_EMPTY        0x10
0308 #define LINK_LIST_READY     0x02
0309 #define DIS_MCU_CLROOB      0x01
0310 #define FIFO_EMPTY      (TXFIFO_EMPTY | RXFIFO_EMPTY)
0311 
0312 /* PLA_MISC_1 */
0313 #define RXDY_GATED_EN       0x0008
0314 
0315 /* PLA_SFF_STS_7 */
0316 #define RE_INIT_LL      0x8000
0317 #define MCU_BORW_EN     0x4000
0318 
0319 /* PLA_CPCR */
0320 #define FLOW_CTRL_EN        BIT(0)
0321 #define CPCR_RX_VLAN        0x0040
0322 
0323 /* PLA_CFG_WOL */
0324 #define MAGIC_EN        0x0001
0325 
0326 /* PLA_TEREDO_CFG */
0327 #define TEREDO_SEL      0x8000
0328 #define TEREDO_WAKE_MASK    0x7f00
0329 #define TEREDO_RS_EVENT_MASK    0x00fe
0330 #define OOB_TEREDO_EN       0x0001
0331 
0332 /* PLA_BDC_CR */
0333 #define ALDPS_PROXY_MODE    0x0001
0334 
0335 /* PLA_EFUSE_CMD */
0336 #define EFUSE_READ_CMD      BIT(15)
0337 #define EFUSE_DATA_BIT16    BIT(7)
0338 
0339 /* PLA_CONFIG34 */
0340 #define LINK_ON_WAKE_EN     0x0010
0341 #define LINK_OFF_WAKE_EN    0x0008
0342 
0343 /* PLA_CONFIG6 */
0344 #define LANWAKE_CLR_EN      BIT(0)
0345 
0346 /* PLA_USB_CFG */
0347 #define EN_XG_LIP       BIT(1)
0348 #define EN_G_LIP        BIT(2)
0349 
0350 /* PLA_CONFIG5 */
0351 #define BWF_EN          0x0040
0352 #define MWF_EN          0x0020
0353 #define UWF_EN          0x0010
0354 #define LAN_WAKE_EN     0x0002
0355 
0356 /* PLA_LED_FEATURE */
0357 #define LED_MODE_MASK       0x0700
0358 
0359 /* PLA_PHY_PWR */
0360 #define TX_10M_IDLE_EN      0x0080
0361 #define PFM_PWM_SWITCH      0x0040
0362 #define TEST_IO_OFF     BIT(4)
0363 
0364 /* PLA_MAC_PWR_CTRL */
0365 #define D3_CLK_GATED_EN     0x00004000
0366 #define MCU_CLK_RATIO       0x07010f07
0367 #define MCU_CLK_RATIO_MASK  0x0f0f0f0f
0368 #define ALDPS_SPDWN_RATIO   0x0f87
0369 
0370 /* PLA_MAC_PWR_CTRL2 */
0371 #define EEE_SPDWN_RATIO     0x8007
0372 #define MAC_CLK_SPDWN_EN    BIT(15)
0373 #define EEE_SPDWN_RATIO_MASK    0xff
0374 
0375 /* PLA_MAC_PWR_CTRL3 */
0376 #define PLA_MCU_SPDWN_EN    BIT(14)
0377 #define PKT_AVAIL_SPDWN_EN  0x0100
0378 #define SUSPEND_SPDWN_EN    0x0004
0379 #define U1U2_SPDWN_EN       0x0002
0380 #define L1_SPDWN_EN     0x0001
0381 
0382 /* PLA_MAC_PWR_CTRL4 */
0383 #define PWRSAVE_SPDWN_EN    0x1000
0384 #define RXDV_SPDWN_EN       0x0800
0385 #define TX10MIDLE_EN        0x0100
0386 #define IDLE_SPDWN_EN       BIT(6)
0387 #define TP100_SPDWN_EN      0x0020
0388 #define TP500_SPDWN_EN      0x0010
0389 #define TP1000_SPDWN_EN     0x0008
0390 #define EEE_SPDWN_EN        0x0001
0391 
0392 /* PLA_GPHY_INTR_IMR */
0393 #define GPHY_STS_MSK        0x0001
0394 #define SPEED_DOWN_MSK      0x0002
0395 #define SPDWN_RXDV_MSK      0x0004
0396 #define SPDWN_LINKCHG_MSK   0x0008
0397 
0398 /* PLA_PHYAR */
0399 #define PHYAR_FLAG      0x80000000
0400 
0401 /* PLA_EEE_CR */
0402 #define EEE_RX_EN       0x0001
0403 #define EEE_TX_EN       0x0002
0404 
0405 /* PLA_BOOT_CTRL */
0406 #define AUTOLOAD_DONE       0x0002
0407 
0408 /* PLA_LWAKE_CTRL_REG */
0409 #define LANWAKE_PIN     BIT(7)
0410 
0411 /* PLA_SUSPEND_FLAG */
0412 #define LINK_CHG_EVENT      BIT(0)
0413 
0414 /* PLA_INDICATE_FALG */
0415 #define UPCOMING_RUNTIME_D3 BIT(0)
0416 
0417 /* PLA_MACDBG_PRE and PLA_MACDBG_POST */
0418 #define DEBUG_OE        BIT(0)
0419 #define DEBUG_LTSSM     0x0082
0420 
0421 /* PLA_EXTRA_STATUS */
0422 #define CUR_LINK_OK     BIT(15)
0423 #define U3P3_CHECK_EN       BIT(7)  /* RTL_VER_05 only */
0424 #define LINK_CHANGE_FLAG    BIT(8)
0425 #define POLL_LINK_CHG       BIT(0)
0426 
0427 /* PLA_GPHY_CTRL */
0428 #define GPHY_FLASH      BIT(1)
0429 
0430 /* PLA_POL_GPIO_CTRL */
0431 #define DACK_DET_EN     BIT(15)
0432 #define POL_GPHY_PATCH      BIT(4)
0433 
0434 /* USB_USB2PHY */
0435 #define USB2PHY_SUSPEND     0x0001
0436 #define USB2PHY_L1      0x0002
0437 
0438 /* USB_SSPHYLINK1 */
0439 #define DELAY_PHY_PWR_CHG   BIT(1)
0440 
0441 /* USB_SSPHYLINK2 */
0442 #define pwd_dn_scale_mask   0x3ffe
0443 #define pwd_dn_scale(x)     ((x) << 1)
0444 
0445 /* USB_CSR_DUMMY1 */
0446 #define DYNAMIC_BURST       0x0001
0447 
0448 /* USB_CSR_DUMMY2 */
0449 #define EP4_FULL_FC     0x0001
0450 
0451 /* USB_DEV_STAT */
0452 #define STAT_SPEED_MASK     0x0006
0453 #define STAT_SPEED_HIGH     0x0000
0454 #define STAT_SPEED_FULL     0x0002
0455 
0456 /* USB_FW_FIX_EN0 */
0457 #define FW_FIX_SUSPEND      BIT(14)
0458 
0459 /* USB_FW_FIX_EN1 */
0460 #define FW_IP_RESET_EN      BIT(9)
0461 
0462 /* USB_LPM_CONFIG */
0463 #define LPM_U1U2_EN     BIT(0)
0464 
0465 /* USB_TX_AGG */
0466 #define TX_AGG_MAX_THRESHOLD    0x03
0467 
0468 /* USB_RX_BUF_TH */
0469 #define RX_THR_SUPPER       0x0c350180
0470 #define RX_THR_HIGH     0x7a120180
0471 #define RX_THR_SLOW     0xffff0180
0472 #define RX_THR_B        0x00010001
0473 
0474 /* USB_TX_DMA */
0475 #define TEST_MODE_DISABLE   0x00000001
0476 #define TX_SIZE_ADJUST1     0x00000100
0477 
0478 /* USB_BMU_RESET */
0479 #define BMU_RESET_EP_IN     0x01
0480 #define BMU_RESET_EP_OUT    0x02
0481 
0482 /* USB_BMU_CONFIG */
0483 #define ACT_ODMA        BIT(1)
0484 
0485 /* USB_UPT_RXDMA_OWN */
0486 #define OWN_UPDATE      BIT(0)
0487 #define OWN_CLEAR       BIT(1)
0488 
0489 /* USB_FW_TASK */
0490 #define FC_PATCH_TASK       BIT(1)
0491 
0492 /* USB_RX_AGGR_NUM */
0493 #define RX_AGGR_NUM_MASK    0x1ff
0494 
0495 /* USB_UPS_CTRL */
0496 #define POWER_CUT       0x0100
0497 
0498 /* USB_PM_CTRL_STATUS */
0499 #define RESUME_INDICATE     0x0001
0500 
0501 /* USB_ECM_OPTION */
0502 #define BYPASS_MAC_RESET    BIT(5)
0503 
0504 /* USB_CSTMR */
0505 #define FORCE_SUPER     BIT(0)
0506 
0507 /* USB_MISC_2 */
0508 #define UPS_FORCE_PWR_DOWN  BIT(0)
0509 
0510 /* USB_ECM_OP */
0511 #define EN_ALL_SPEED        BIT(0)
0512 
0513 /* USB_GPHY_CTRL */
0514 #define GPHY_PATCH_DONE     BIT(2)
0515 #define BYPASS_FLASH        BIT(5)
0516 #define BACKUP_RESTRORE     BIT(6)
0517 
0518 /* USB_SPEED_OPTION */
0519 #define RG_PWRDN_EN     BIT(8)
0520 #define ALL_SPEED_OFF       BIT(9)
0521 
0522 /* USB_FW_CTRL */
0523 #define FLOW_CTRL_PATCH_OPT BIT(1)
0524 #define AUTO_SPEEDUP        BIT(3)
0525 #define FLOW_CTRL_PATCH_2   BIT(8)
0526 
0527 /* USB_FC_TIMER */
0528 #define CTRL_TIMER_EN       BIT(15)
0529 
0530 /* USB_USB_CTRL */
0531 #define CDC_ECM_EN      BIT(3)
0532 #define RX_AGG_DISABLE      0x0010
0533 #define RX_ZERO_EN      0x0080
0534 
0535 /* USB_U2P3_CTRL */
0536 #define U2P3_ENABLE     0x0001
0537 #define RX_DETECT8      BIT(3)
0538 
0539 /* USB_POWER_CUT */
0540 #define PWR_EN          0x0001
0541 #define PHASE2_EN       0x0008
0542 #define UPS_EN          BIT(4)
0543 #define USP_PREWAKE     BIT(5)
0544 
0545 /* USB_MISC_0 */
0546 #define PCUT_STATUS     0x0001
0547 
0548 /* USB_RX_EARLY_TIMEOUT */
0549 #define COALESCE_SUPER       85000U
0550 #define COALESCE_HIGH       250000U
0551 #define COALESCE_SLOW       524280U
0552 
0553 /* USB_WDT1_CTRL */
0554 #define WTD1_EN         BIT(0)
0555 
0556 /* USB_WDT11_CTRL */
0557 #define TIMER11_EN      0x0001
0558 
0559 /* USB_LPM_CTRL */
0560 /* bit 4 ~ 5: fifo empty boundary */
0561 #define FIFO_EMPTY_1FB      0x30    /* 0x1fb * 64 = 32448 bytes */
0562 /* bit 2 ~ 3: LMP timer */
0563 #define LPM_TIMER_MASK      0x0c
0564 #define LPM_TIMER_500MS     0x04    /* 500 ms */
0565 #define LPM_TIMER_500US     0x0c    /* 500 us */
0566 #define ROK_EXIT_LPM        0x02
0567 
0568 /* USB_AFE_CTRL2 */
0569 #define SEN_VAL_MASK        0xf800
0570 #define SEN_VAL_NORMAL      0xa000
0571 #define SEL_RXIDLE      0x0100
0572 
0573 /* USB_UPHY_XTAL */
0574 #define OOBS_POLLING        BIT(8)
0575 
0576 /* USB_UPS_CFG */
0577 #define SAW_CNT_1MS_MASK    0x0fff
0578 #define MID_REVERSE     BIT(5)  /* RTL8156A */
0579 
0580 /* USB_UPS_FLAGS */
0581 #define UPS_FLAGS_R_TUNE        BIT(0)
0582 #define UPS_FLAGS_EN_10M_CKDIV      BIT(1)
0583 #define UPS_FLAGS_250M_CKDIV        BIT(2)
0584 #define UPS_FLAGS_EN_ALDPS      BIT(3)
0585 #define UPS_FLAGS_CTAP_SHORT_DIS    BIT(4)
0586 #define UPS_FLAGS_SPEED_MASK        (0xf << 16)
0587 #define ups_flags_speed(x)      ((x) << 16)
0588 #define UPS_FLAGS_EN_EEE        BIT(20)
0589 #define UPS_FLAGS_EN_500M_EEE       BIT(21)
0590 #define UPS_FLAGS_EN_EEE_CKDIV      BIT(22)
0591 #define UPS_FLAGS_EEE_PLLOFF_100    BIT(23)
0592 #define UPS_FLAGS_EEE_PLLOFF_GIGA   BIT(24)
0593 #define UPS_FLAGS_EEE_CMOD_LV_EN    BIT(25)
0594 #define UPS_FLAGS_EN_GREEN      BIT(26)
0595 #define UPS_FLAGS_EN_FLOW_CTR       BIT(27)
0596 
0597 enum spd_duplex {
0598     NWAY_10M_HALF,
0599     NWAY_10M_FULL,
0600     NWAY_100M_HALF,
0601     NWAY_100M_FULL,
0602     NWAY_1000M_FULL,
0603     FORCE_10M_HALF,
0604     FORCE_10M_FULL,
0605     FORCE_100M_HALF,
0606     FORCE_100M_FULL,
0607     FORCE_1000M_FULL,
0608     NWAY_2500M_FULL,
0609 };
0610 
0611 /* OCP_ALDPS_CONFIG */
0612 #define ENPWRSAVE       0x8000
0613 #define ENPDNPS         0x0200
0614 #define LINKENA         0x0100
0615 #define DIS_SDSAVE      0x0010
0616 
0617 /* OCP_PHY_STATUS */
0618 #define PHY_STAT_MASK       0x0007
0619 #define PHY_STAT_EXT_INIT   2
0620 #define PHY_STAT_LAN_ON     3
0621 #define PHY_STAT_PWRDN      5
0622 
0623 /* OCP_NCTL_CFG */
0624 #define PGA_RETURN_EN       BIT(1)
0625 
0626 /* OCP_POWER_CFG */
0627 #define EEE_CLKDIV_EN       0x8000
0628 #define EN_ALDPS        0x0004
0629 #define EN_10M_PLLOFF       0x0001
0630 
0631 /* OCP_EEE_CONFIG1 */
0632 #define RG_TXLPI_MSK_HFDUP  0x8000
0633 #define RG_MATCLR_EN        0x4000
0634 #define EEE_10_CAP      0x2000
0635 #define EEE_NWAY_EN     0x1000
0636 #define TX_QUIET_EN     0x0200
0637 #define RX_QUIET_EN     0x0100
0638 #define sd_rise_time_mask   0x0070
0639 #define sd_rise_time(x)     (min(x, 7) << 4)    /* bit 4 ~ 6 */
0640 #define RG_RXLPI_MSK_HFDUP  0x0008
0641 #define SDFALLTIME      0x0007  /* bit 0 ~ 2 */
0642 
0643 /* OCP_EEE_CONFIG2 */
0644 #define RG_LPIHYS_NUM       0x7000  /* bit 12 ~ 15 */
0645 #define RG_DACQUIET_EN      0x0400
0646 #define RG_LDVQUIET_EN      0x0200
0647 #define RG_CKRSEL       0x0020
0648 #define RG_EEEPRG_EN        0x0010
0649 
0650 /* OCP_EEE_CONFIG3 */
0651 #define fast_snr_mask       0xff80
0652 #define fast_snr(x)     (min(x, 0x1ff) << 7)    /* bit 7 ~ 15 */
0653 #define RG_LFS_SEL      0x0060  /* bit 6 ~ 5 */
0654 #define MSK_PH          0x0006  /* bit 0 ~ 3 */
0655 
0656 /* OCP_EEE_AR */
0657 /* bit[15:14] function */
0658 #define FUN_ADDR        0x0000
0659 #define FUN_DATA        0x4000
0660 /* bit[4:0] device addr */
0661 
0662 /* OCP_EEE_CFG */
0663 #define CTAP_SHORT_EN       0x0040
0664 #define EEE10_EN        0x0010
0665 
0666 /* OCP_DOWN_SPEED */
0667 #define EN_EEE_CMODE        BIT(14)
0668 #define EN_EEE_1000     BIT(13)
0669 #define EN_EEE_100      BIT(12)
0670 #define EN_10M_CLKDIV       BIT(11)
0671 #define EN_10M_BGOFF        0x0080
0672 
0673 /* OCP_10GBT_CTRL */
0674 #define RTL_ADV2_5G_F_R     BIT(5)  /* Advertise 2.5GBASE-T fast-retrain */
0675 
0676 /* OCP_PHY_STATE */
0677 #define TXDIS_STATE     0x01
0678 #define ABD_STATE       0x02
0679 
0680 /* OCP_PHY_PATCH_STAT */
0681 #define PATCH_READY     BIT(6)
0682 
0683 /* OCP_PHY_PATCH_CMD */
0684 #define PATCH_REQUEST       BIT(4)
0685 
0686 /* OCP_PHY_LOCK */
0687 #define PATCH_LOCK      BIT(0)
0688 
0689 /* OCP_ADC_CFG */
0690 #define CKADSEL_L       0x0100
0691 #define ADC_EN          0x0080
0692 #define EN_EMI_L        0x0040
0693 
0694 /* OCP_SYSCLK_CFG */
0695 #define sysclk_div_expo(x)  (min(x, 5) << 8)
0696 #define clk_div_expo(x)     (min(x, 5) << 4)
0697 
0698 /* SRAM_GREEN_CFG */
0699 #define GREEN_ETH_EN        BIT(15)
0700 #define R_TUNE_EN       BIT(11)
0701 
0702 /* SRAM_LPF_CFG */
0703 #define LPF_AUTO_TUNE       0x8000
0704 
0705 /* SRAM_10M_AMP1 */
0706 #define GDAC_IB_UPALL       0x0008
0707 
0708 /* SRAM_10M_AMP2 */
0709 #define AMP_DN          0x0200
0710 
0711 /* SRAM_IMPEDANCE */
0712 #define RX_DRIVING_MASK     0x6000
0713 
0714 /* SRAM_PHY_LOCK */
0715 #define PHY_PATCH_LOCK      0x0001
0716 
0717 /* MAC PASSTHRU */
0718 #define AD_MASK         0xfee0
0719 #define BND_MASK        0x0004
0720 #define BD_MASK         0x0001
0721 #define EFUSE           0xcfdb
0722 #define PASS_THRU_MASK      0x1
0723 
0724 #define BP4_SUPER_ONLY      0x1578  /* RTL_VER_04 only */
0725 
0726 enum rtl_register_content {
0727     _2500bps    = BIT(10),
0728     _1250bps    = BIT(9),
0729     _500bps     = BIT(8),
0730     _tx_flow    = BIT(6),
0731     _rx_flow    = BIT(5),
0732     _1000bps    = 0x10,
0733     _100bps     = 0x08,
0734     _10bps      = 0x04,
0735     LINK_STATUS = 0x02,
0736     FULL_DUP    = 0x01,
0737 };
0738 
0739 #define is_speed_2500(_speed)   (((_speed) & (_2500bps | LINK_STATUS)) == (_2500bps | LINK_STATUS))
0740 #define is_flow_control(_speed) (((_speed) & (_tx_flow | _rx_flow)) == (_tx_flow | _rx_flow))
0741 
0742 #define RTL8152_MAX_TX      4
0743 #define RTL8152_MAX_RX      10
0744 #define INTBUFSIZE      2
0745 #define TX_ALIGN        4
0746 #define RX_ALIGN        8
0747 
0748 #define RTL8152_RX_MAX_PENDING  4096
0749 #define RTL8152_RXFG_HEADSZ 256
0750 
0751 #define INTR_LINK       0x0004
0752 
0753 #define RTL8152_RMS     (VLAN_ETH_FRAME_LEN + ETH_FCS_LEN)
0754 #define RTL8153_RMS     RTL8153_MAX_PACKET
0755 #define RTL8152_TX_TIMEOUT  (5 * HZ)
0756 #define mtu_to_size(m)      ((m) + VLAN_ETH_HLEN + ETH_FCS_LEN)
0757 #define size_to_mtu(s)      ((s) - VLAN_ETH_HLEN - ETH_FCS_LEN)
0758 #define rx_reserved_size(x) (mtu_to_size(x) + sizeof(struct rx_desc) + RX_ALIGN)
0759 
0760 /* rtl8152 flags */
0761 enum rtl8152_flags {
0762     RTL8152_UNPLUG = 0,
0763     RTL8152_SET_RX_MODE,
0764     WORK_ENABLE,
0765     RTL8152_LINK_CHG,
0766     SELECTIVE_SUSPEND,
0767     PHY_RESET,
0768     SCHEDULE_TASKLET,
0769     GREEN_ETHERNET,
0770     RX_EPROTO,
0771 };
0772 
0773 #define DEVICE_ID_THINKPAD_ONELINK_PLUS_DOCK        0x3054
0774 #define DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2   0x3082
0775 #define DEVICE_ID_THINKPAD_USB_C_DONGLE         0x720c
0776 #define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2      0xa387
0777 #define DEVICE_ID_THINKPAD_USB_C_DOCK_GEN3      0x3062
0778 
0779 struct tally_counter {
0780     __le64  tx_packets;
0781     __le64  rx_packets;
0782     __le64  tx_errors;
0783     __le32  rx_errors;
0784     __le16  rx_missed;
0785     __le16  align_errors;
0786     __le32  tx_one_collision;
0787     __le32  tx_multi_collision;
0788     __le64  rx_unicast;
0789     __le64  rx_broadcast;
0790     __le32  rx_multicast;
0791     __le16  tx_aborted;
0792     __le16  tx_underrun;
0793 };
0794 
0795 struct rx_desc {
0796     __le32 opts1;
0797 #define RX_LEN_MASK         0x7fff
0798 
0799     __le32 opts2;
0800 #define RD_UDP_CS           BIT(23)
0801 #define RD_TCP_CS           BIT(22)
0802 #define RD_IPV6_CS          BIT(20)
0803 #define RD_IPV4_CS          BIT(19)
0804 
0805     __le32 opts3;
0806 #define IPF             BIT(23) /* IP checksum fail */
0807 #define UDPF                BIT(22) /* UDP checksum fail */
0808 #define TCPF                BIT(21) /* TCP checksum fail */
0809 #define RX_VLAN_TAG         BIT(16)
0810 
0811     __le32 opts4;
0812     __le32 opts5;
0813     __le32 opts6;
0814 };
0815 
0816 struct tx_desc {
0817     __le32 opts1;
0818 #define TX_FS           BIT(31) /* First segment of a packet */
0819 #define TX_LS           BIT(30) /* Final segment of a packet */
0820 #define GTSENDV4        BIT(28)
0821 #define GTSENDV6        BIT(27)
0822 #define GTTCPHO_SHIFT       18
0823 #define GTTCPHO_MAX     0x7fU
0824 #define TX_LEN_MAX      0x3ffffU
0825 
0826     __le32 opts2;
0827 #define UDP_CS          BIT(31) /* Calculate UDP/IP checksum */
0828 #define TCP_CS          BIT(30) /* Calculate TCP/IP checksum */
0829 #define IPV4_CS         BIT(29) /* Calculate IPv4 checksum */
0830 #define IPV6_CS         BIT(28) /* Calculate IPv6 checksum */
0831 #define MSS_SHIFT       17
0832 #define MSS_MAX         0x7ffU
0833 #define TCPHO_SHIFT     17
0834 #define TCPHO_MAX       0x7ffU
0835 #define TX_VLAN_TAG     BIT(16)
0836 };
0837 
0838 struct r8152;
0839 
0840 struct rx_agg {
0841     struct list_head list, info_list;
0842     struct urb *urb;
0843     struct r8152 *context;
0844     struct page *page;
0845     void *buffer;
0846 };
0847 
0848 struct tx_agg {
0849     struct list_head list;
0850     struct urb *urb;
0851     struct r8152 *context;
0852     void *buffer;
0853     void *head;
0854     u32 skb_num;
0855     u32 skb_len;
0856 };
0857 
0858 struct r8152 {
0859     unsigned long flags;
0860     struct usb_device *udev;
0861     struct napi_struct napi;
0862     struct usb_interface *intf;
0863     struct net_device *netdev;
0864     struct urb *intr_urb;
0865     struct tx_agg tx_info[RTL8152_MAX_TX];
0866     struct list_head rx_info, rx_used;
0867     struct list_head rx_done, tx_free;
0868     struct sk_buff_head tx_queue, rx_queue;
0869     spinlock_t rx_lock, tx_lock;
0870     struct delayed_work schedule, hw_phy_work;
0871     struct mii_if_info mii;
0872     struct mutex control;   /* use for hw setting */
0873 #ifdef CONFIG_PM_SLEEP
0874     struct notifier_block pm_notifier;
0875 #endif
0876     struct tasklet_struct tx_tl;
0877 
0878     struct rtl_ops {
0879         void (*init)(struct r8152 *tp);
0880         int (*enable)(struct r8152 *tp);
0881         void (*disable)(struct r8152 *tp);
0882         void (*up)(struct r8152 *tp);
0883         void (*down)(struct r8152 *tp);
0884         void (*unload)(struct r8152 *tp);
0885         int (*eee_get)(struct r8152 *tp, struct ethtool_eee *eee);
0886         int (*eee_set)(struct r8152 *tp, struct ethtool_eee *eee);
0887         bool (*in_nway)(struct r8152 *tp);
0888         void (*hw_phy_cfg)(struct r8152 *tp);
0889         void (*autosuspend_en)(struct r8152 *tp, bool enable);
0890         void (*change_mtu)(struct r8152 *tp);
0891     } rtl_ops;
0892 
0893     struct ups_info {
0894         u32 r_tune:1;
0895         u32 _10m_ckdiv:1;
0896         u32 _250m_ckdiv:1;
0897         u32 aldps:1;
0898         u32 lite_mode:2;
0899         u32 speed_duplex:4;
0900         u32 eee:1;
0901         u32 eee_lite:1;
0902         u32 eee_ckdiv:1;
0903         u32 eee_plloff_100:1;
0904         u32 eee_plloff_giga:1;
0905         u32 eee_cmod_lv:1;
0906         u32 green:1;
0907         u32 flow_control:1;
0908         u32 ctap_short_off:1;
0909     } ups_info;
0910 
0911 #define RTL_VER_SIZE        32
0912 
0913     struct rtl_fw {
0914         const char *fw_name;
0915         const struct firmware *fw;
0916 
0917         char version[RTL_VER_SIZE];
0918         int (*pre_fw)(struct r8152 *tp);
0919         int (*post_fw)(struct r8152 *tp);
0920 
0921         bool retry;
0922     } rtl_fw;
0923 
0924     atomic_t rx_count;
0925 
0926     bool eee_en;
0927     int intr_interval;
0928     u32 saved_wolopts;
0929     u32 msg_enable;
0930     u32 tx_qlen;
0931     u32 coalesce;
0932     u32 advertising;
0933     u32 rx_buf_sz;
0934     u32 rx_copybreak;
0935     u32 rx_pending;
0936     u32 fc_pause_on, fc_pause_off;
0937 
0938     unsigned int pipe_in, pipe_out, pipe_intr, pipe_ctrl_in, pipe_ctrl_out;
0939 
0940     u32 support_2500full:1;
0941     u32 lenovo_macpassthru:1;
0942     u32 dell_tb_rx_agg_bug:1;
0943     u16 ocp_base;
0944     u16 speed;
0945     u16 eee_adv;
0946     u8 *intr_buff;
0947     u8 version;
0948     u8 duplex;
0949     u8 autoneg;
0950 };
0951 
0952 /**
0953  * struct fw_block - block type and total length
0954  * @type: type of the current block, such as RTL_FW_END, RTL_FW_PLA,
0955  *  RTL_FW_USB and so on.
0956  * @length: total length of the current block.
0957  */
0958 struct fw_block {
0959     __le32 type;
0960     __le32 length;
0961 } __packed;
0962 
0963 /**
0964  * struct fw_header - header of the firmware file
0965  * @checksum: checksum of sha256 which is calculated from the whole file
0966  *  except the checksum field of the file. That is, calculate sha256
0967  *  from the version field to the end of the file.
0968  * @version: version of this firmware.
0969  * @blocks: the first firmware block of the file
0970  */
0971 struct fw_header {
0972     u8 checksum[32];
0973     char version[RTL_VER_SIZE];
0974     struct fw_block blocks[];
0975 } __packed;
0976 
0977 enum rtl8152_fw_flags {
0978     FW_FLAGS_USB = 0,
0979     FW_FLAGS_PLA,
0980     FW_FLAGS_START,
0981     FW_FLAGS_STOP,
0982     FW_FLAGS_NC,
0983     FW_FLAGS_NC1,
0984     FW_FLAGS_NC2,
0985     FW_FLAGS_UC2,
0986     FW_FLAGS_UC,
0987     FW_FLAGS_SPEED_UP,
0988     FW_FLAGS_VER,
0989 };
0990 
0991 enum rtl8152_fw_fixup_cmd {
0992     FW_FIXUP_AND = 0,
0993     FW_FIXUP_OR,
0994     FW_FIXUP_NOT,
0995     FW_FIXUP_XOR,
0996 };
0997 
0998 struct fw_phy_set {
0999     __le16 addr;
1000     __le16 data;
1001 } __packed;
1002 
1003 struct fw_phy_speed_up {
1004     struct fw_block blk_hdr;
1005     __le16 fw_offset;
1006     __le16 version;
1007     __le16 fw_reg;
1008     __le16 reserved;
1009     char info[];
1010 } __packed;
1011 
1012 struct fw_phy_ver {
1013     struct fw_block blk_hdr;
1014     struct fw_phy_set ver;
1015     __le32 reserved;
1016 } __packed;
1017 
1018 struct fw_phy_fixup {
1019     struct fw_block blk_hdr;
1020     struct fw_phy_set setting;
1021     __le16 bit_cmd;
1022     __le16 reserved;
1023 } __packed;
1024 
1025 struct fw_phy_union {
1026     struct fw_block blk_hdr;
1027     __le16 fw_offset;
1028     __le16 fw_reg;
1029     struct fw_phy_set pre_set[2];
1030     struct fw_phy_set bp[8];
1031     struct fw_phy_set bp_en;
1032     u8 pre_num;
1033     u8 bp_num;
1034     char info[];
1035 } __packed;
1036 
1037 /**
1038  * struct fw_mac - a firmware block used by RTL_FW_PLA and RTL_FW_USB.
1039  *  The layout of the firmware block is:
1040  *  <struct fw_mac> + <info> + <firmware data>.
1041  * @blk_hdr: firmware descriptor (type, length)
1042  * @fw_offset: offset of the firmware binary data. The start address of
1043  *  the data would be the address of struct fw_mac + @fw_offset.
1044  * @fw_reg: the register to load the firmware. Depends on chip.
1045  * @bp_ba_addr: the register to write break point base address. Depends on
1046  *  chip.
1047  * @bp_ba_value: break point base address. Depends on chip.
1048  * @bp_en_addr: the register to write break point enabled mask. Depends
1049  *  on chip.
1050  * @bp_en_value: break point enabled mask. Depends on the firmware.
1051  * @bp_start: the start register of break points. Depends on chip.
1052  * @bp_num: the break point number which needs to be set for this firmware.
1053  *  Depends on the firmware.
1054  * @bp: break points. Depends on firmware.
1055  * @reserved: reserved space (unused)
1056  * @fw_ver_reg: the register to store the fw version.
1057  * @fw_ver_data: the firmware version of the current type.
1058  * @info: additional information for debugging, and is followed by the
1059  *  binary data of firmware.
1060  */
1061 struct fw_mac {
1062     struct fw_block blk_hdr;
1063     __le16 fw_offset;
1064     __le16 fw_reg;
1065     __le16 bp_ba_addr;
1066     __le16 bp_ba_value;
1067     __le16 bp_en_addr;
1068     __le16 bp_en_value;
1069     __le16 bp_start;
1070     __le16 bp_num;
1071     __le16 bp[16]; /* any value determined by firmware */
1072     __le32 reserved;
1073     __le16 fw_ver_reg;
1074     u8 fw_ver_data;
1075     char info[];
1076 } __packed;
1077 
1078 /**
1079  * struct fw_phy_patch_key - a firmware block used by RTL_FW_PHY_START.
1080  *  This is used to set patch key when loading the firmware of PHY.
1081  * @blk_hdr: firmware descriptor (type, length)
1082  * @key_reg: the register to write the patch key.
1083  * @key_data: patch key.
1084  * @reserved: reserved space (unused)
1085  */
1086 struct fw_phy_patch_key {
1087     struct fw_block blk_hdr;
1088     __le16 key_reg;
1089     __le16 key_data;
1090     __le32 reserved;
1091 } __packed;
1092 
1093 /**
1094  * struct fw_phy_nc - a firmware block used by RTL_FW_PHY_NC.
1095  *  The layout of the firmware block is:
1096  *  <struct fw_phy_nc> + <info> + <firmware data>.
1097  * @blk_hdr: firmware descriptor (type, length)
1098  * @fw_offset: offset of the firmware binary data. The start address of
1099  *  the data would be the address of struct fw_phy_nc + @fw_offset.
1100  * @fw_reg: the register to load the firmware. Depends on chip.
1101  * @ba_reg: the register to write the base address. Depends on chip.
1102  * @ba_data: base address. Depends on chip.
1103  * @patch_en_addr: the register of enabling patch mode. Depends on chip.
1104  * @patch_en_value: patch mode enabled mask. Depends on the firmware.
1105  * @mode_reg: the regitster of switching the mode.
1106  * @mode_pre: the mode needing to be set before loading the firmware.
1107  * @mode_post: the mode to be set when finishing to load the firmware.
1108  * @reserved: reserved space (unused)
1109  * @bp_start: the start register of break points. Depends on chip.
1110  * @bp_num: the break point number which needs to be set for this firmware.
1111  *  Depends on the firmware.
1112  * @bp: break points. Depends on firmware.
1113  * @info: additional information for debugging, and is followed by the
1114  *  binary data of firmware.
1115  */
1116 struct fw_phy_nc {
1117     struct fw_block blk_hdr;
1118     __le16 fw_offset;
1119     __le16 fw_reg;
1120     __le16 ba_reg;
1121     __le16 ba_data;
1122     __le16 patch_en_addr;
1123     __le16 patch_en_value;
1124     __le16 mode_reg;
1125     __le16 mode_pre;
1126     __le16 mode_post;
1127     __le16 reserved;
1128     __le16 bp_start;
1129     __le16 bp_num;
1130     __le16 bp[4];
1131     char info[];
1132 } __packed;
1133 
1134 enum rtl_fw_type {
1135     RTL_FW_END = 0,
1136     RTL_FW_PLA,
1137     RTL_FW_USB,
1138     RTL_FW_PHY_START,
1139     RTL_FW_PHY_STOP,
1140     RTL_FW_PHY_NC,
1141     RTL_FW_PHY_FIXUP,
1142     RTL_FW_PHY_UNION_NC,
1143     RTL_FW_PHY_UNION_NC1,
1144     RTL_FW_PHY_UNION_NC2,
1145     RTL_FW_PHY_UNION_UC2,
1146     RTL_FW_PHY_UNION_UC,
1147     RTL_FW_PHY_UNION_MISC,
1148     RTL_FW_PHY_SPEED_UP,
1149     RTL_FW_PHY_VER,
1150 };
1151 
1152 enum rtl_version {
1153     RTL_VER_UNKNOWN = 0,
1154     RTL_VER_01,
1155     RTL_VER_02,
1156     RTL_VER_03,
1157     RTL_VER_04,
1158     RTL_VER_05,
1159     RTL_VER_06,
1160     RTL_VER_07,
1161     RTL_VER_08,
1162     RTL_VER_09,
1163 
1164     RTL_TEST_01,
1165     RTL_VER_10,
1166     RTL_VER_11,
1167     RTL_VER_12,
1168     RTL_VER_13,
1169     RTL_VER_14,
1170     RTL_VER_15,
1171 
1172     RTL_VER_MAX
1173 };
1174 
1175 enum tx_csum_stat {
1176     TX_CSUM_SUCCESS = 0,
1177     TX_CSUM_TSO,
1178     TX_CSUM_NONE
1179 };
1180 
1181 #define RTL_ADVERTISED_10_HALF          BIT(0)
1182 #define RTL_ADVERTISED_10_FULL          BIT(1)
1183 #define RTL_ADVERTISED_100_HALF         BIT(2)
1184 #define RTL_ADVERTISED_100_FULL         BIT(3)
1185 #define RTL_ADVERTISED_1000_HALF        BIT(4)
1186 #define RTL_ADVERTISED_1000_FULL        BIT(5)
1187 #define RTL_ADVERTISED_2500_FULL        BIT(6)
1188 
1189 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
1190  * The RTL chips use a 64 element hash table based on the Ethernet CRC.
1191  */
1192 static const int multicast_filter_limit = 32;
1193 static unsigned int agg_buf_sz = 16384;
1194 
1195 #define RTL_LIMITED_TSO_SIZE    (size_to_mtu(agg_buf_sz) - sizeof(struct tx_desc))
1196 
1197 static
1198 int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
1199 {
1200     int ret;
1201     void *tmp;
1202 
1203     tmp = kmalloc(size, GFP_KERNEL);
1204     if (!tmp)
1205         return -ENOMEM;
1206 
1207     ret = usb_control_msg(tp->udev, tp->pipe_ctrl_in,
1208                   RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
1209                   value, index, tmp, size, 500);
1210     if (ret < 0)
1211         memset(data, 0xff, size);
1212     else
1213         memcpy(data, tmp, size);
1214 
1215     kfree(tmp);
1216 
1217     return ret;
1218 }
1219 
1220 static
1221 int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
1222 {
1223     int ret;
1224     void *tmp;
1225 
1226     tmp = kmemdup(data, size, GFP_KERNEL);
1227     if (!tmp)
1228         return -ENOMEM;
1229 
1230     ret = usb_control_msg(tp->udev, tp->pipe_ctrl_out,
1231                   RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
1232                   value, index, tmp, size, 500);
1233 
1234     kfree(tmp);
1235 
1236     return ret;
1237 }
1238 
1239 static void rtl_set_unplug(struct r8152 *tp)
1240 {
1241     if (tp->udev->state == USB_STATE_NOTATTACHED) {
1242         set_bit(RTL8152_UNPLUG, &tp->flags);
1243         smp_mb__after_atomic();
1244     }
1245 }
1246 
1247 static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
1248                 void *data, u16 type)
1249 {
1250     u16 limit = 64;
1251     int ret = 0;
1252 
1253     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1254         return -ENODEV;
1255 
1256     /* both size and indix must be 4 bytes align */
1257     if ((size & 3) || !size || (index & 3) || !data)
1258         return -EPERM;
1259 
1260     if ((u32)index + (u32)size > 0xffff)
1261         return -EPERM;
1262 
1263     while (size) {
1264         if (size > limit) {
1265             ret = get_registers(tp, index, type, limit, data);
1266             if (ret < 0)
1267                 break;
1268 
1269             index += limit;
1270             data += limit;
1271             size -= limit;
1272         } else {
1273             ret = get_registers(tp, index, type, size, data);
1274             if (ret < 0)
1275                 break;
1276 
1277             index += size;
1278             data += size;
1279             size = 0;
1280             break;
1281         }
1282     }
1283 
1284     if (ret == -ENODEV)
1285         rtl_set_unplug(tp);
1286 
1287     return ret;
1288 }
1289 
1290 static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
1291                  u16 size, void *data, u16 type)
1292 {
1293     int ret;
1294     u16 byteen_start, byteen_end, byen;
1295     u16 limit = 512;
1296 
1297     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1298         return -ENODEV;
1299 
1300     /* both size and indix must be 4 bytes align */
1301     if ((size & 3) || !size || (index & 3) || !data)
1302         return -EPERM;
1303 
1304     if ((u32)index + (u32)size > 0xffff)
1305         return -EPERM;
1306 
1307     byteen_start = byteen & BYTE_EN_START_MASK;
1308     byteen_end = byteen & BYTE_EN_END_MASK;
1309 
1310     byen = byteen_start | (byteen_start << 4);
1311     ret = set_registers(tp, index, type | byen, 4, data);
1312     if (ret < 0)
1313         goto error1;
1314 
1315     index += 4;
1316     data += 4;
1317     size -= 4;
1318 
1319     if (size) {
1320         size -= 4;
1321 
1322         while (size) {
1323             if (size > limit) {
1324                 ret = set_registers(tp, index,
1325                             type | BYTE_EN_DWORD,
1326                             limit, data);
1327                 if (ret < 0)
1328                     goto error1;
1329 
1330                 index += limit;
1331                 data += limit;
1332                 size -= limit;
1333             } else {
1334                 ret = set_registers(tp, index,
1335                             type | BYTE_EN_DWORD,
1336                             size, data);
1337                 if (ret < 0)
1338                     goto error1;
1339 
1340                 index += size;
1341                 data += size;
1342                 size = 0;
1343                 break;
1344             }
1345         }
1346 
1347         byen = byteen_end | (byteen_end >> 4);
1348         ret = set_registers(tp, index, type | byen, 4, data);
1349         if (ret < 0)
1350             goto error1;
1351     }
1352 
1353 error1:
1354     if (ret == -ENODEV)
1355         rtl_set_unplug(tp);
1356 
1357     return ret;
1358 }
1359 
1360 static inline
1361 int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
1362 {
1363     return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
1364 }
1365 
1366 static inline
1367 int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
1368 {
1369     return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
1370 }
1371 
1372 static inline
1373 int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
1374 {
1375     return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
1376 }
1377 
1378 static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
1379 {
1380     __le32 data;
1381 
1382     generic_ocp_read(tp, index, sizeof(data), &data, type);
1383 
1384     return __le32_to_cpu(data);
1385 }
1386 
1387 static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
1388 {
1389     __le32 tmp = __cpu_to_le32(data);
1390 
1391     generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
1392 }
1393 
1394 static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
1395 {
1396     u32 data;
1397     __le32 tmp;
1398     u16 byen = BYTE_EN_WORD;
1399     u8 shift = index & 2;
1400 
1401     index &= ~3;
1402     byen <<= shift;
1403 
1404     generic_ocp_read(tp, index, sizeof(tmp), &tmp, type | byen);
1405 
1406     data = __le32_to_cpu(tmp);
1407     data >>= (shift * 8);
1408     data &= 0xffff;
1409 
1410     return (u16)data;
1411 }
1412 
1413 static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
1414 {
1415     u32 mask = 0xffff;
1416     __le32 tmp;
1417     u16 byen = BYTE_EN_WORD;
1418     u8 shift = index & 2;
1419 
1420     data &= mask;
1421 
1422     if (index & 2) {
1423         byen <<= shift;
1424         mask <<= (shift * 8);
1425         data <<= (shift * 8);
1426         index &= ~3;
1427     }
1428 
1429     tmp = __cpu_to_le32(data);
1430 
1431     generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
1432 }
1433 
1434 static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
1435 {
1436     u32 data;
1437     __le32 tmp;
1438     u8 shift = index & 3;
1439 
1440     index &= ~3;
1441 
1442     generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
1443 
1444     data = __le32_to_cpu(tmp);
1445     data >>= (shift * 8);
1446     data &= 0xff;
1447 
1448     return (u8)data;
1449 }
1450 
1451 static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
1452 {
1453     u32 mask = 0xff;
1454     __le32 tmp;
1455     u16 byen = BYTE_EN_BYTE;
1456     u8 shift = index & 3;
1457 
1458     data &= mask;
1459 
1460     if (index & 3) {
1461         byen <<= shift;
1462         mask <<= (shift * 8);
1463         data <<= (shift * 8);
1464         index &= ~3;
1465     }
1466 
1467     tmp = __cpu_to_le32(data);
1468 
1469     generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
1470 }
1471 
1472 static u16 ocp_reg_read(struct r8152 *tp, u16 addr)
1473 {
1474     u16 ocp_base, ocp_index;
1475 
1476     ocp_base = addr & 0xf000;
1477     if (ocp_base != tp->ocp_base) {
1478         ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
1479         tp->ocp_base = ocp_base;
1480     }
1481 
1482     ocp_index = (addr & 0x0fff) | 0xb000;
1483     return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
1484 }
1485 
1486 static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
1487 {
1488     u16 ocp_base, ocp_index;
1489 
1490     ocp_base = addr & 0xf000;
1491     if (ocp_base != tp->ocp_base) {
1492         ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
1493         tp->ocp_base = ocp_base;
1494     }
1495 
1496     ocp_index = (addr & 0x0fff) | 0xb000;
1497     ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
1498 }
1499 
1500 static inline void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
1501 {
1502     ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
1503 }
1504 
1505 static inline int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
1506 {
1507     return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
1508 }
1509 
1510 static void sram_write(struct r8152 *tp, u16 addr, u16 data)
1511 {
1512     ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
1513     ocp_reg_write(tp, OCP_SRAM_DATA, data);
1514 }
1515 
1516 static u16 sram_read(struct r8152 *tp, u16 addr)
1517 {
1518     ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
1519     return ocp_reg_read(tp, OCP_SRAM_DATA);
1520 }
1521 
1522 static int read_mii_word(struct net_device *netdev, int phy_id, int reg)
1523 {
1524     struct r8152 *tp = netdev_priv(netdev);
1525     int ret;
1526 
1527     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1528         return -ENODEV;
1529 
1530     if (phy_id != R8152_PHY_ID)
1531         return -EINVAL;
1532 
1533     ret = r8152_mdio_read(tp, reg);
1534 
1535     return ret;
1536 }
1537 
1538 static
1539 void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val)
1540 {
1541     struct r8152 *tp = netdev_priv(netdev);
1542 
1543     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1544         return;
1545 
1546     if (phy_id != R8152_PHY_ID)
1547         return;
1548 
1549     r8152_mdio_write(tp, reg, val);
1550 }
1551 
1552 static int
1553 r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags);
1554 
1555 static int
1556 rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex,
1557           u32 advertising);
1558 
1559 static int __rtl8152_set_mac_address(struct net_device *netdev, void *p,
1560                      bool in_resume)
1561 {
1562     struct r8152 *tp = netdev_priv(netdev);
1563     struct sockaddr *addr = p;
1564     int ret = -EADDRNOTAVAIL;
1565 
1566     if (!is_valid_ether_addr(addr->sa_data))
1567         goto out1;
1568 
1569     if (!in_resume) {
1570         ret = usb_autopm_get_interface(tp->intf);
1571         if (ret < 0)
1572             goto out1;
1573     }
1574 
1575     mutex_lock(&tp->control);
1576 
1577     eth_hw_addr_set(netdev, addr->sa_data);
1578 
1579     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
1580     pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, addr->sa_data);
1581     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
1582 
1583     mutex_unlock(&tp->control);
1584 
1585     if (!in_resume)
1586         usb_autopm_put_interface(tp->intf);
1587 out1:
1588     return ret;
1589 }
1590 
1591 static int rtl8152_set_mac_address(struct net_device *netdev, void *p)
1592 {
1593     return __rtl8152_set_mac_address(netdev, p, false);
1594 }
1595 
1596 /* Devices containing proper chips can support a persistent
1597  * host system provided MAC address.
1598  * Examples of this are Dell TB15 and Dell WD15 docks
1599  */
1600 static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa)
1601 {
1602     acpi_status status;
1603     struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1604     union acpi_object *obj;
1605     int ret = -EINVAL;
1606     u32 ocp_data;
1607     unsigned char buf[6];
1608     char *mac_obj_name;
1609     acpi_object_type mac_obj_type;
1610     int mac_strlen;
1611 
1612     if (tp->lenovo_macpassthru) {
1613         mac_obj_name = "\\MACA";
1614         mac_obj_type = ACPI_TYPE_STRING;
1615         mac_strlen = 0x16;
1616     } else {
1617         /* test for -AD variant of RTL8153 */
1618         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
1619         if ((ocp_data & AD_MASK) == 0x1000) {
1620             /* test for MAC address pass-through bit */
1621             ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, EFUSE);
1622             if ((ocp_data & PASS_THRU_MASK) != 1) {
1623                 netif_dbg(tp, probe, tp->netdev,
1624                         "No efuse for RTL8153-AD MAC pass through\n");
1625                 return -ENODEV;
1626             }
1627         } else {
1628             /* test for RTL8153-BND and RTL8153-BD */
1629             ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1);
1630             if ((ocp_data & BND_MASK) == 0 && (ocp_data & BD_MASK) == 0) {
1631                 netif_dbg(tp, probe, tp->netdev,
1632                         "Invalid variant for MAC pass through\n");
1633                 return -ENODEV;
1634             }
1635         }
1636 
1637         mac_obj_name = "\\_SB.AMAC";
1638         mac_obj_type = ACPI_TYPE_BUFFER;
1639         mac_strlen = 0x17;
1640     }
1641 
1642     /* returns _AUXMAC_#AABBCCDDEEFF# */
1643     status = acpi_evaluate_object(NULL, mac_obj_name, NULL, &buffer);
1644     obj = (union acpi_object *)buffer.pointer;
1645     if (!ACPI_SUCCESS(status))
1646         return -ENODEV;
1647     if (obj->type != mac_obj_type || obj->string.length != mac_strlen) {
1648         netif_warn(tp, probe, tp->netdev,
1649                "Invalid buffer for pass-thru MAC addr: (%d, %d)\n",
1650                obj->type, obj->string.length);
1651         goto amacout;
1652     }
1653 
1654     if (strncmp(obj->string.pointer, "_AUXMAC_#", 9) != 0 ||
1655         strncmp(obj->string.pointer + 0x15, "#", 1) != 0) {
1656         netif_warn(tp, probe, tp->netdev,
1657                "Invalid header when reading pass-thru MAC addr\n");
1658         goto amacout;
1659     }
1660     ret = hex2bin(buf, obj->string.pointer + 9, 6);
1661     if (!(ret == 0 && is_valid_ether_addr(buf))) {
1662         netif_warn(tp, probe, tp->netdev,
1663                "Invalid MAC for pass-thru MAC addr: %d, %pM\n",
1664                ret, buf);
1665         ret = -EINVAL;
1666         goto amacout;
1667     }
1668     memcpy(sa->sa_data, buf, 6);
1669     netif_info(tp, probe, tp->netdev,
1670            "Using pass-thru MAC addr %pM\n", sa->sa_data);
1671 
1672 amacout:
1673     kfree(obj);
1674     return ret;
1675 }
1676 
1677 static int determine_ethernet_addr(struct r8152 *tp, struct sockaddr *sa)
1678 {
1679     struct net_device *dev = tp->netdev;
1680     int ret;
1681 
1682     sa->sa_family = dev->type;
1683 
1684     ret = eth_platform_get_mac_address(&tp->udev->dev, sa->sa_data);
1685     if (ret < 0) {
1686         if (tp->version == RTL_VER_01) {
1687             ret = pla_ocp_read(tp, PLA_IDR, 8, sa->sa_data);
1688         } else {
1689             /* if device doesn't support MAC pass through this will
1690              * be expected to be non-zero
1691              */
1692             ret = vendor_mac_passthru_addr_read(tp, sa);
1693             if (ret < 0)
1694                 ret = pla_ocp_read(tp, PLA_BACKUP, 8,
1695                            sa->sa_data);
1696         }
1697     }
1698 
1699     if (ret < 0) {
1700         netif_err(tp, probe, dev, "Get ether addr fail\n");
1701     } else if (!is_valid_ether_addr(sa->sa_data)) {
1702         netif_err(tp, probe, dev, "Invalid ether addr %pM\n",
1703               sa->sa_data);
1704         eth_hw_addr_random(dev);
1705         ether_addr_copy(sa->sa_data, dev->dev_addr);
1706         netif_info(tp, probe, dev, "Random ether addr %pM\n",
1707                sa->sa_data);
1708         return 0;
1709     }
1710 
1711     return ret;
1712 }
1713 
1714 static int set_ethernet_addr(struct r8152 *tp, bool in_resume)
1715 {
1716     struct net_device *dev = tp->netdev;
1717     struct sockaddr sa;
1718     int ret;
1719 
1720     ret = determine_ethernet_addr(tp, &sa);
1721     if (ret < 0)
1722         return ret;
1723 
1724     if (tp->version == RTL_VER_01)
1725         eth_hw_addr_set(dev, sa.sa_data);
1726     else
1727         ret = __rtl8152_set_mac_address(dev, &sa, in_resume);
1728 
1729     return ret;
1730 }
1731 
1732 static void read_bulk_callback(struct urb *urb)
1733 {
1734     struct net_device *netdev;
1735     int status = urb->status;
1736     struct rx_agg *agg;
1737     struct r8152 *tp;
1738     unsigned long flags;
1739 
1740     agg = urb->context;
1741     if (!agg)
1742         return;
1743 
1744     tp = agg->context;
1745     if (!tp)
1746         return;
1747 
1748     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1749         return;
1750 
1751     if (!test_bit(WORK_ENABLE, &tp->flags))
1752         return;
1753 
1754     netdev = tp->netdev;
1755 
1756     /* When link down, the driver would cancel all bulks. */
1757     /* This avoid the re-submitting bulk */
1758     if (!netif_carrier_ok(netdev))
1759         return;
1760 
1761     usb_mark_last_busy(tp->udev);
1762 
1763     switch (status) {
1764     case 0:
1765         if (urb->actual_length < ETH_ZLEN)
1766             break;
1767 
1768         spin_lock_irqsave(&tp->rx_lock, flags);
1769         list_add_tail(&agg->list, &tp->rx_done);
1770         spin_unlock_irqrestore(&tp->rx_lock, flags);
1771         napi_schedule(&tp->napi);
1772         return;
1773     case -ESHUTDOWN:
1774         rtl_set_unplug(tp);
1775         netif_device_detach(tp->netdev);
1776         return;
1777     case -EPROTO:
1778         urb->actual_length = 0;
1779         spin_lock_irqsave(&tp->rx_lock, flags);
1780         list_add_tail(&agg->list, &tp->rx_done);
1781         spin_unlock_irqrestore(&tp->rx_lock, flags);
1782         set_bit(RX_EPROTO, &tp->flags);
1783         schedule_delayed_work(&tp->schedule, 1);
1784         return;
1785     case -ENOENT:
1786         return; /* the urb is in unlink state */
1787     case -ETIME:
1788         if (net_ratelimit())
1789             netdev_warn(netdev, "maybe reset is needed?\n");
1790         break;
1791     default:
1792         if (net_ratelimit())
1793             netdev_warn(netdev, "Rx status %d\n", status);
1794         break;
1795     }
1796 
1797     r8152_submit_rx(tp, agg, GFP_ATOMIC);
1798 }
1799 
1800 static void write_bulk_callback(struct urb *urb)
1801 {
1802     struct net_device_stats *stats;
1803     struct net_device *netdev;
1804     struct tx_agg *agg;
1805     struct r8152 *tp;
1806     unsigned long flags;
1807     int status = urb->status;
1808 
1809     agg = urb->context;
1810     if (!agg)
1811         return;
1812 
1813     tp = agg->context;
1814     if (!tp)
1815         return;
1816 
1817     netdev = tp->netdev;
1818     stats = &netdev->stats;
1819     if (status) {
1820         if (net_ratelimit())
1821             netdev_warn(netdev, "Tx status %d\n", status);
1822         stats->tx_errors += agg->skb_num;
1823     } else {
1824         stats->tx_packets += agg->skb_num;
1825         stats->tx_bytes += agg->skb_len;
1826     }
1827 
1828     spin_lock_irqsave(&tp->tx_lock, flags);
1829     list_add_tail(&agg->list, &tp->tx_free);
1830     spin_unlock_irqrestore(&tp->tx_lock, flags);
1831 
1832     usb_autopm_put_interface_async(tp->intf);
1833 
1834     if (!netif_carrier_ok(netdev))
1835         return;
1836 
1837     if (!test_bit(WORK_ENABLE, &tp->flags))
1838         return;
1839 
1840     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1841         return;
1842 
1843     if (!skb_queue_empty(&tp->tx_queue))
1844         tasklet_schedule(&tp->tx_tl);
1845 }
1846 
1847 static void intr_callback(struct urb *urb)
1848 {
1849     struct r8152 *tp;
1850     __le16 *d;
1851     int status = urb->status;
1852     int res;
1853 
1854     tp = urb->context;
1855     if (!tp)
1856         return;
1857 
1858     if (!test_bit(WORK_ENABLE, &tp->flags))
1859         return;
1860 
1861     if (test_bit(RTL8152_UNPLUG, &tp->flags))
1862         return;
1863 
1864     switch (status) {
1865     case 0:         /* success */
1866         break;
1867     case -ECONNRESET:   /* unlink */
1868     case -ESHUTDOWN:
1869         netif_device_detach(tp->netdev);
1870         fallthrough;
1871     case -ENOENT:
1872     case -EPROTO:
1873         netif_info(tp, intr, tp->netdev,
1874                "Stop submitting intr, status %d\n", status);
1875         return;
1876     case -EOVERFLOW:
1877         netif_info(tp, intr, tp->netdev, "intr status -EOVERFLOW\n");
1878         goto resubmit;
1879     /* -EPIPE:  should clear the halt */
1880     default:
1881         netif_info(tp, intr, tp->netdev, "intr status %d\n", status);
1882         goto resubmit;
1883     }
1884 
1885     d = urb->transfer_buffer;
1886     if (INTR_LINK & __le16_to_cpu(d[0])) {
1887         if (!netif_carrier_ok(tp->netdev)) {
1888             set_bit(RTL8152_LINK_CHG, &tp->flags);
1889             schedule_delayed_work(&tp->schedule, 0);
1890         }
1891     } else {
1892         if (netif_carrier_ok(tp->netdev)) {
1893             netif_stop_queue(tp->netdev);
1894             set_bit(RTL8152_LINK_CHG, &tp->flags);
1895             schedule_delayed_work(&tp->schedule, 0);
1896         }
1897     }
1898 
1899 resubmit:
1900     res = usb_submit_urb(urb, GFP_ATOMIC);
1901     if (res == -ENODEV) {
1902         rtl_set_unplug(tp);
1903         netif_device_detach(tp->netdev);
1904     } else if (res) {
1905         netif_err(tp, intr, tp->netdev,
1906               "can't resubmit intr, status %d\n", res);
1907     }
1908 }
1909 
1910 static inline void *rx_agg_align(void *data)
1911 {
1912     return (void *)ALIGN((uintptr_t)data, RX_ALIGN);
1913 }
1914 
1915 static inline void *tx_agg_align(void *data)
1916 {
1917     return (void *)ALIGN((uintptr_t)data, TX_ALIGN);
1918 }
1919 
1920 static void free_rx_agg(struct r8152 *tp, struct rx_agg *agg)
1921 {
1922     list_del(&agg->info_list);
1923 
1924     usb_free_urb(agg->urb);
1925     put_page(agg->page);
1926     kfree(agg);
1927 
1928     atomic_dec(&tp->rx_count);
1929 }
1930 
1931 static struct rx_agg *alloc_rx_agg(struct r8152 *tp, gfp_t mflags)
1932 {
1933     struct net_device *netdev = tp->netdev;
1934     int node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
1935     unsigned int order = get_order(tp->rx_buf_sz);
1936     struct rx_agg *rx_agg;
1937     unsigned long flags;
1938 
1939     rx_agg = kmalloc_node(sizeof(*rx_agg), mflags, node);
1940     if (!rx_agg)
1941         return NULL;
1942 
1943     rx_agg->page = alloc_pages(mflags | __GFP_COMP, order);
1944     if (!rx_agg->page)
1945         goto free_rx;
1946 
1947     rx_agg->buffer = page_address(rx_agg->page);
1948 
1949     rx_agg->urb = usb_alloc_urb(0, mflags);
1950     if (!rx_agg->urb)
1951         goto free_buf;
1952 
1953     rx_agg->context = tp;
1954 
1955     INIT_LIST_HEAD(&rx_agg->list);
1956     INIT_LIST_HEAD(&rx_agg->info_list);
1957     spin_lock_irqsave(&tp->rx_lock, flags);
1958     list_add_tail(&rx_agg->info_list, &tp->rx_info);
1959     spin_unlock_irqrestore(&tp->rx_lock, flags);
1960 
1961     atomic_inc(&tp->rx_count);
1962 
1963     return rx_agg;
1964 
1965 free_buf:
1966     __free_pages(rx_agg->page, order);
1967 free_rx:
1968     kfree(rx_agg);
1969     return NULL;
1970 }
1971 
1972 static void free_all_mem(struct r8152 *tp)
1973 {
1974     struct rx_agg *agg, *agg_next;
1975     unsigned long flags;
1976     int i;
1977 
1978     spin_lock_irqsave(&tp->rx_lock, flags);
1979 
1980     list_for_each_entry_safe(agg, agg_next, &tp->rx_info, info_list)
1981         free_rx_agg(tp, agg);
1982 
1983     spin_unlock_irqrestore(&tp->rx_lock, flags);
1984 
1985     WARN_ON(atomic_read(&tp->rx_count));
1986 
1987     for (i = 0; i < RTL8152_MAX_TX; i++) {
1988         usb_free_urb(tp->tx_info[i].urb);
1989         tp->tx_info[i].urb = NULL;
1990 
1991         kfree(tp->tx_info[i].buffer);
1992         tp->tx_info[i].buffer = NULL;
1993         tp->tx_info[i].head = NULL;
1994     }
1995 
1996     usb_free_urb(tp->intr_urb);
1997     tp->intr_urb = NULL;
1998 
1999     kfree(tp->intr_buff);
2000     tp->intr_buff = NULL;
2001 }
2002 
2003 static int alloc_all_mem(struct r8152 *tp)
2004 {
2005     struct net_device *netdev = tp->netdev;
2006     struct usb_interface *intf = tp->intf;
2007     struct usb_host_interface *alt = intf->cur_altsetting;
2008     struct usb_host_endpoint *ep_intr = alt->endpoint + 2;
2009     int node, i;
2010 
2011     node = netdev->dev.parent ? dev_to_node(netdev->dev.parent) : -1;
2012 
2013     spin_lock_init(&tp->rx_lock);
2014     spin_lock_init(&tp->tx_lock);
2015     INIT_LIST_HEAD(&tp->rx_info);
2016     INIT_LIST_HEAD(&tp->tx_free);
2017     INIT_LIST_HEAD(&tp->rx_done);
2018     skb_queue_head_init(&tp->tx_queue);
2019     skb_queue_head_init(&tp->rx_queue);
2020     atomic_set(&tp->rx_count, 0);
2021 
2022     for (i = 0; i < RTL8152_MAX_RX; i++) {
2023         if (!alloc_rx_agg(tp, GFP_KERNEL))
2024             goto err1;
2025     }
2026 
2027     for (i = 0; i < RTL8152_MAX_TX; i++) {
2028         struct urb *urb;
2029         u8 *buf;
2030 
2031         buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
2032         if (!buf)
2033             goto err1;
2034 
2035         if (buf != tx_agg_align(buf)) {
2036             kfree(buf);
2037             buf = kmalloc_node(agg_buf_sz + TX_ALIGN, GFP_KERNEL,
2038                        node);
2039             if (!buf)
2040                 goto err1;
2041         }
2042 
2043         urb = usb_alloc_urb(0, GFP_KERNEL);
2044         if (!urb) {
2045             kfree(buf);
2046             goto err1;
2047         }
2048 
2049         INIT_LIST_HEAD(&tp->tx_info[i].list);
2050         tp->tx_info[i].context = tp;
2051         tp->tx_info[i].urb = urb;
2052         tp->tx_info[i].buffer = buf;
2053         tp->tx_info[i].head = tx_agg_align(buf);
2054 
2055         list_add_tail(&tp->tx_info[i].list, &tp->tx_free);
2056     }
2057 
2058     tp->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
2059     if (!tp->intr_urb)
2060         goto err1;
2061 
2062     tp->intr_buff = kmalloc(INTBUFSIZE, GFP_KERNEL);
2063     if (!tp->intr_buff)
2064         goto err1;
2065 
2066     tp->intr_interval = (int)ep_intr->desc.bInterval;
2067     usb_fill_int_urb(tp->intr_urb, tp->udev, tp->pipe_intr,
2068              tp->intr_buff, INTBUFSIZE, intr_callback,
2069              tp, tp->intr_interval);
2070 
2071     return 0;
2072 
2073 err1:
2074     free_all_mem(tp);
2075     return -ENOMEM;
2076 }
2077 
2078 static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
2079 {
2080     struct tx_agg *agg = NULL;
2081     unsigned long flags;
2082 
2083     if (list_empty(&tp->tx_free))
2084         return NULL;
2085 
2086     spin_lock_irqsave(&tp->tx_lock, flags);
2087     if (!list_empty(&tp->tx_free)) {
2088         struct list_head *cursor;
2089 
2090         cursor = tp->tx_free.next;
2091         list_del_init(cursor);
2092         agg = list_entry(cursor, struct tx_agg, list);
2093     }
2094     spin_unlock_irqrestore(&tp->tx_lock, flags);
2095 
2096     return agg;
2097 }
2098 
2099 /* r8152_csum_workaround()
2100  * The hw limits the value of the transport offset. When the offset is out of
2101  * range, calculate the checksum by sw.
2102  */
2103 static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb,
2104                   struct sk_buff_head *list)
2105 {
2106     if (skb_shinfo(skb)->gso_size) {
2107         netdev_features_t features = tp->netdev->features;
2108         struct sk_buff *segs, *seg, *next;
2109         struct sk_buff_head seg_list;
2110 
2111         features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
2112         segs = skb_gso_segment(skb, features);
2113         if (IS_ERR(segs) || !segs)
2114             goto drop;
2115 
2116         __skb_queue_head_init(&seg_list);
2117 
2118         skb_list_walk_safe(segs, seg, next) {
2119             skb_mark_not_on_list(seg);
2120             __skb_queue_tail(&seg_list, seg);
2121         }
2122 
2123         skb_queue_splice(&seg_list, list);
2124         dev_kfree_skb(skb);
2125     } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2126         if (skb_checksum_help(skb) < 0)
2127             goto drop;
2128 
2129         __skb_queue_head(list, skb);
2130     } else {
2131         struct net_device_stats *stats;
2132 
2133 drop:
2134         stats = &tp->netdev->stats;
2135         stats->tx_dropped++;
2136         dev_kfree_skb(skb);
2137     }
2138 }
2139 
2140 static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
2141 {
2142     if (skb_vlan_tag_present(skb)) {
2143         u32 opts2;
2144 
2145         opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb));
2146         desc->opts2 |= cpu_to_le32(opts2);
2147     }
2148 }
2149 
2150 static inline void rtl_rx_vlan_tag(struct rx_desc *desc, struct sk_buff *skb)
2151 {
2152     u32 opts2 = le32_to_cpu(desc->opts2);
2153 
2154     if (opts2 & RX_VLAN_TAG)
2155         __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
2156                        swab16(opts2 & 0xffff));
2157 }
2158 
2159 static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
2160              struct sk_buff *skb, u32 len)
2161 {
2162     u32 mss = skb_shinfo(skb)->gso_size;
2163     u32 opts1, opts2 = 0;
2164     int ret = TX_CSUM_SUCCESS;
2165 
2166     WARN_ON_ONCE(len > TX_LEN_MAX);
2167 
2168     opts1 = len | TX_FS | TX_LS;
2169 
2170     if (mss) {
2171         u32 transport_offset = (u32)skb_transport_offset(skb);
2172 
2173         if (transport_offset > GTTCPHO_MAX) {
2174             netif_warn(tp, tx_err, tp->netdev,
2175                    "Invalid transport offset 0x%x for TSO\n",
2176                    transport_offset);
2177             ret = TX_CSUM_TSO;
2178             goto unavailable;
2179         }
2180 
2181         switch (vlan_get_protocol(skb)) {
2182         case htons(ETH_P_IP):
2183             opts1 |= GTSENDV4;
2184             break;
2185 
2186         case htons(ETH_P_IPV6):
2187             if (skb_cow_head(skb, 0)) {
2188                 ret = TX_CSUM_TSO;
2189                 goto unavailable;
2190             }
2191             tcp_v6_gso_csum_prep(skb);
2192             opts1 |= GTSENDV6;
2193             break;
2194 
2195         default:
2196             WARN_ON_ONCE(1);
2197             break;
2198         }
2199 
2200         opts1 |= transport_offset << GTTCPHO_SHIFT;
2201         opts2 |= min(mss, MSS_MAX) << MSS_SHIFT;
2202     } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
2203         u32 transport_offset = (u32)skb_transport_offset(skb);
2204         u8 ip_protocol;
2205 
2206         if (transport_offset > TCPHO_MAX) {
2207             netif_warn(tp, tx_err, tp->netdev,
2208                    "Invalid transport offset 0x%x\n",
2209                    transport_offset);
2210             ret = TX_CSUM_NONE;
2211             goto unavailable;
2212         }
2213 
2214         switch (vlan_get_protocol(skb)) {
2215         case htons(ETH_P_IP):
2216             opts2 |= IPV4_CS;
2217             ip_protocol = ip_hdr(skb)->protocol;
2218             break;
2219 
2220         case htons(ETH_P_IPV6):
2221             opts2 |= IPV6_CS;
2222             ip_protocol = ipv6_hdr(skb)->nexthdr;
2223             break;
2224 
2225         default:
2226             ip_protocol = IPPROTO_RAW;
2227             break;
2228         }
2229 
2230         if (ip_protocol == IPPROTO_TCP)
2231             opts2 |= TCP_CS;
2232         else if (ip_protocol == IPPROTO_UDP)
2233             opts2 |= UDP_CS;
2234         else
2235             WARN_ON_ONCE(1);
2236 
2237         opts2 |= transport_offset << TCPHO_SHIFT;
2238     }
2239 
2240     desc->opts2 = cpu_to_le32(opts2);
2241     desc->opts1 = cpu_to_le32(opts1);
2242 
2243 unavailable:
2244     return ret;
2245 }
2246 
2247 static int r8152_tx_agg_fill(struct r8152 *tp, struct tx_agg *agg)
2248 {
2249     struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
2250     int remain, ret;
2251     u8 *tx_data;
2252 
2253     __skb_queue_head_init(&skb_head);
2254     spin_lock(&tx_queue->lock);
2255     skb_queue_splice_init(tx_queue, &skb_head);
2256     spin_unlock(&tx_queue->lock);
2257 
2258     tx_data = agg->head;
2259     agg->skb_num = 0;
2260     agg->skb_len = 0;
2261     remain = agg_buf_sz;
2262 
2263     while (remain >= ETH_ZLEN + sizeof(struct tx_desc)) {
2264         struct tx_desc *tx_desc;
2265         struct sk_buff *skb;
2266         unsigned int len;
2267 
2268         skb = __skb_dequeue(&skb_head);
2269         if (!skb)
2270             break;
2271 
2272         len = skb->len + sizeof(*tx_desc);
2273 
2274         if (len > remain) {
2275             __skb_queue_head(&skb_head, skb);
2276             break;
2277         }
2278 
2279         tx_data = tx_agg_align(tx_data);
2280         tx_desc = (struct tx_desc *)tx_data;
2281 
2282         if (r8152_tx_csum(tp, tx_desc, skb, skb->len)) {
2283             r8152_csum_workaround(tp, skb, &skb_head);
2284             continue;
2285         }
2286 
2287         rtl_tx_vlan_tag(tx_desc, skb);
2288 
2289         tx_data += sizeof(*tx_desc);
2290 
2291         len = skb->len;
2292         if (skb_copy_bits(skb, 0, tx_data, len) < 0) {
2293             struct net_device_stats *stats = &tp->netdev->stats;
2294 
2295             stats->tx_dropped++;
2296             dev_kfree_skb_any(skb);
2297             tx_data -= sizeof(*tx_desc);
2298             continue;
2299         }
2300 
2301         tx_data += len;
2302         agg->skb_len += len;
2303         agg->skb_num += skb_shinfo(skb)->gso_segs ?: 1;
2304 
2305         dev_kfree_skb_any(skb);
2306 
2307         remain = agg_buf_sz - (int)(tx_agg_align(tx_data) - agg->head);
2308 
2309         if (tp->dell_tb_rx_agg_bug)
2310             break;
2311     }
2312 
2313     if (!skb_queue_empty(&skb_head)) {
2314         spin_lock(&tx_queue->lock);
2315         skb_queue_splice(&skb_head, tx_queue);
2316         spin_unlock(&tx_queue->lock);
2317     }
2318 
2319     netif_tx_lock(tp->netdev);
2320 
2321     if (netif_queue_stopped(tp->netdev) &&
2322         skb_queue_len(&tp->tx_queue) < tp->tx_qlen)
2323         netif_wake_queue(tp->netdev);
2324 
2325     netif_tx_unlock(tp->netdev);
2326 
2327     ret = usb_autopm_get_interface_async(tp->intf);
2328     if (ret < 0)
2329         goto out_tx_fill;
2330 
2331     usb_fill_bulk_urb(agg->urb, tp->udev, tp->pipe_out,
2332               agg->head, (int)(tx_data - (u8 *)agg->head),
2333               (usb_complete_t)write_bulk_callback, agg);
2334 
2335     ret = usb_submit_urb(agg->urb, GFP_ATOMIC);
2336     if (ret < 0)
2337         usb_autopm_put_interface_async(tp->intf);
2338 
2339 out_tx_fill:
2340     return ret;
2341 }
2342 
2343 static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
2344 {
2345     u8 checksum = CHECKSUM_NONE;
2346     u32 opts2, opts3;
2347 
2348     if (!(tp->netdev->features & NETIF_F_RXCSUM))
2349         goto return_result;
2350 
2351     opts2 = le32_to_cpu(rx_desc->opts2);
2352     opts3 = le32_to_cpu(rx_desc->opts3);
2353 
2354     if (opts2 & RD_IPV4_CS) {
2355         if (opts3 & IPF)
2356             checksum = CHECKSUM_NONE;
2357         else if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
2358             checksum = CHECKSUM_UNNECESSARY;
2359         else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
2360             checksum = CHECKSUM_UNNECESSARY;
2361     } else if (opts2 & RD_IPV6_CS) {
2362         if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF))
2363             checksum = CHECKSUM_UNNECESSARY;
2364         else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF))
2365             checksum = CHECKSUM_UNNECESSARY;
2366     }
2367 
2368 return_result:
2369     return checksum;
2370 }
2371 
2372 static inline bool rx_count_exceed(struct r8152 *tp)
2373 {
2374     return atomic_read(&tp->rx_count) > RTL8152_MAX_RX;
2375 }
2376 
2377 static inline int agg_offset(struct rx_agg *agg, void *addr)
2378 {
2379     return (int)(addr - agg->buffer);
2380 }
2381 
2382 static struct rx_agg *rtl_get_free_rx(struct r8152 *tp, gfp_t mflags)
2383 {
2384     struct rx_agg *agg, *agg_next, *agg_free = NULL;
2385     unsigned long flags;
2386 
2387     spin_lock_irqsave(&tp->rx_lock, flags);
2388 
2389     list_for_each_entry_safe(agg, agg_next, &tp->rx_used, list) {
2390         if (page_count(agg->page) == 1) {
2391             if (!agg_free) {
2392                 list_del_init(&agg->list);
2393                 agg_free = agg;
2394                 continue;
2395             }
2396             if (rx_count_exceed(tp)) {
2397                 list_del_init(&agg->list);
2398                 free_rx_agg(tp, agg);
2399             }
2400             break;
2401         }
2402     }
2403 
2404     spin_unlock_irqrestore(&tp->rx_lock, flags);
2405 
2406     if (!agg_free && atomic_read(&tp->rx_count) < tp->rx_pending)
2407         agg_free = alloc_rx_agg(tp, mflags);
2408 
2409     return agg_free;
2410 }
2411 
2412 static int rx_bottom(struct r8152 *tp, int budget)
2413 {
2414     unsigned long flags;
2415     struct list_head *cursor, *next, rx_queue;
2416     int ret = 0, work_done = 0;
2417     struct napi_struct *napi = &tp->napi;
2418 
2419     if (!skb_queue_empty(&tp->rx_queue)) {
2420         while (work_done < budget) {
2421             struct sk_buff *skb = __skb_dequeue(&tp->rx_queue);
2422             struct net_device *netdev = tp->netdev;
2423             struct net_device_stats *stats = &netdev->stats;
2424             unsigned int pkt_len;
2425 
2426             if (!skb)
2427                 break;
2428 
2429             pkt_len = skb->len;
2430             napi_gro_receive(napi, skb);
2431             work_done++;
2432             stats->rx_packets++;
2433             stats->rx_bytes += pkt_len;
2434         }
2435     }
2436 
2437     if (list_empty(&tp->rx_done))
2438         goto out1;
2439 
2440     clear_bit(RX_EPROTO, &tp->flags);
2441     INIT_LIST_HEAD(&rx_queue);
2442     spin_lock_irqsave(&tp->rx_lock, flags);
2443     list_splice_init(&tp->rx_done, &rx_queue);
2444     spin_unlock_irqrestore(&tp->rx_lock, flags);
2445 
2446     list_for_each_safe(cursor, next, &rx_queue) {
2447         struct rx_desc *rx_desc;
2448         struct rx_agg *agg, *agg_free;
2449         int len_used = 0;
2450         struct urb *urb;
2451         u8 *rx_data;
2452 
2453         list_del_init(cursor);
2454 
2455         agg = list_entry(cursor, struct rx_agg, list);
2456         urb = agg->urb;
2457         if (urb->status != 0 || urb->actual_length < ETH_ZLEN)
2458             goto submit;
2459 
2460         agg_free = rtl_get_free_rx(tp, GFP_ATOMIC);
2461 
2462         rx_desc = agg->buffer;
2463         rx_data = agg->buffer;
2464         len_used += sizeof(struct rx_desc);
2465 
2466         while (urb->actual_length > len_used) {
2467             struct net_device *netdev = tp->netdev;
2468             struct net_device_stats *stats = &netdev->stats;
2469             unsigned int pkt_len, rx_frag_head_sz;
2470             struct sk_buff *skb;
2471 
2472             /* limit the skb numbers for rx_queue */
2473             if (unlikely(skb_queue_len(&tp->rx_queue) >= 1000))
2474                 break;
2475 
2476             pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
2477             if (pkt_len < ETH_ZLEN)
2478                 break;
2479 
2480             len_used += pkt_len;
2481             if (urb->actual_length < len_used)
2482                 break;
2483 
2484             pkt_len -= ETH_FCS_LEN;
2485             rx_data += sizeof(struct rx_desc);
2486 
2487             if (!agg_free || tp->rx_copybreak > pkt_len)
2488                 rx_frag_head_sz = pkt_len;
2489             else
2490                 rx_frag_head_sz = tp->rx_copybreak;
2491 
2492             skb = napi_alloc_skb(napi, rx_frag_head_sz);
2493             if (!skb) {
2494                 stats->rx_dropped++;
2495                 goto find_next_rx;
2496             }
2497 
2498             skb->ip_summed = r8152_rx_csum(tp, rx_desc);
2499             memcpy(skb->data, rx_data, rx_frag_head_sz);
2500             skb_put(skb, rx_frag_head_sz);
2501             pkt_len -= rx_frag_head_sz;
2502             rx_data += rx_frag_head_sz;
2503             if (pkt_len) {
2504                 skb_add_rx_frag(skb, 0, agg->page,
2505                         agg_offset(agg, rx_data),
2506                         pkt_len,
2507                         SKB_DATA_ALIGN(pkt_len));
2508                 get_page(agg->page);
2509             }
2510 
2511             skb->protocol = eth_type_trans(skb, netdev);
2512             rtl_rx_vlan_tag(rx_desc, skb);
2513             if (work_done < budget) {
2514                 work_done++;
2515                 stats->rx_packets++;
2516                 stats->rx_bytes += skb->len;
2517                 napi_gro_receive(napi, skb);
2518             } else {
2519                 __skb_queue_tail(&tp->rx_queue, skb);
2520             }
2521 
2522 find_next_rx:
2523             rx_data = rx_agg_align(rx_data + pkt_len + ETH_FCS_LEN);
2524             rx_desc = (struct rx_desc *)rx_data;
2525             len_used = agg_offset(agg, rx_data);
2526             len_used += sizeof(struct rx_desc);
2527         }
2528 
2529         WARN_ON(!agg_free && page_count(agg->page) > 1);
2530 
2531         if (agg_free) {
2532             spin_lock_irqsave(&tp->rx_lock, flags);
2533             if (page_count(agg->page) == 1) {
2534                 list_add(&agg_free->list, &tp->rx_used);
2535             } else {
2536                 list_add_tail(&agg->list, &tp->rx_used);
2537                 agg = agg_free;
2538                 urb = agg->urb;
2539             }
2540             spin_unlock_irqrestore(&tp->rx_lock, flags);
2541         }
2542 
2543 submit:
2544         if (!ret) {
2545             ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
2546         } else {
2547             urb->actual_length = 0;
2548             list_add_tail(&agg->list, next);
2549         }
2550     }
2551 
2552     if (!list_empty(&rx_queue)) {
2553         spin_lock_irqsave(&tp->rx_lock, flags);
2554         list_splice_tail(&rx_queue, &tp->rx_done);
2555         spin_unlock_irqrestore(&tp->rx_lock, flags);
2556     }
2557 
2558 out1:
2559     return work_done;
2560 }
2561 
2562 static void tx_bottom(struct r8152 *tp)
2563 {
2564     int res;
2565 
2566     do {
2567         struct net_device *netdev = tp->netdev;
2568         struct tx_agg *agg;
2569 
2570         if (skb_queue_empty(&tp->tx_queue))
2571             break;
2572 
2573         agg = r8152_get_tx_agg(tp);
2574         if (!agg)
2575             break;
2576 
2577         res = r8152_tx_agg_fill(tp, agg);
2578         if (!res)
2579             continue;
2580 
2581         if (res == -ENODEV) {
2582             rtl_set_unplug(tp);
2583             netif_device_detach(netdev);
2584         } else {
2585             struct net_device_stats *stats = &netdev->stats;
2586             unsigned long flags;
2587 
2588             netif_warn(tp, tx_err, netdev,
2589                    "failed tx_urb %d\n", res);
2590             stats->tx_dropped += agg->skb_num;
2591 
2592             spin_lock_irqsave(&tp->tx_lock, flags);
2593             list_add_tail(&agg->list, &tp->tx_free);
2594             spin_unlock_irqrestore(&tp->tx_lock, flags);
2595         }
2596     } while (res == 0);
2597 }
2598 
2599 static void bottom_half(struct tasklet_struct *t)
2600 {
2601     struct r8152 *tp = from_tasklet(tp, t, tx_tl);
2602 
2603     if (test_bit(RTL8152_UNPLUG, &tp->flags))
2604         return;
2605 
2606     if (!test_bit(WORK_ENABLE, &tp->flags))
2607         return;
2608 
2609     /* When link down, the driver would cancel all bulks. */
2610     /* This avoid the re-submitting bulk */
2611     if (!netif_carrier_ok(tp->netdev))
2612         return;
2613 
2614     clear_bit(SCHEDULE_TASKLET, &tp->flags);
2615 
2616     tx_bottom(tp);
2617 }
2618 
2619 static int r8152_poll(struct napi_struct *napi, int budget)
2620 {
2621     struct r8152 *tp = container_of(napi, struct r8152, napi);
2622     int work_done;
2623 
2624     work_done = rx_bottom(tp, budget);
2625 
2626     if (work_done < budget) {
2627         if (!napi_complete_done(napi, work_done))
2628             goto out;
2629         if (!list_empty(&tp->rx_done))
2630             napi_schedule(napi);
2631     }
2632 
2633 out:
2634     return work_done;
2635 }
2636 
2637 static
2638 int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
2639 {
2640     int ret;
2641 
2642     /* The rx would be stopped, so skip submitting */
2643     if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
2644         !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
2645         return 0;
2646 
2647     usb_fill_bulk_urb(agg->urb, tp->udev, tp->pipe_in,
2648               agg->buffer, tp->rx_buf_sz,
2649               (usb_complete_t)read_bulk_callback, agg);
2650 
2651     ret = usb_submit_urb(agg->urb, mem_flags);
2652     if (ret == -ENODEV) {
2653         rtl_set_unplug(tp);
2654         netif_device_detach(tp->netdev);
2655     } else if (ret) {
2656         struct urb *urb = agg->urb;
2657         unsigned long flags;
2658 
2659         urb->actual_length = 0;
2660         spin_lock_irqsave(&tp->rx_lock, flags);
2661         list_add_tail(&agg->list, &tp->rx_done);
2662         spin_unlock_irqrestore(&tp->rx_lock, flags);
2663 
2664         netif_err(tp, rx_err, tp->netdev,
2665               "Couldn't submit rx[%p], ret = %d\n", agg, ret);
2666 
2667         napi_schedule(&tp->napi);
2668     }
2669 
2670     return ret;
2671 }
2672 
2673 static void rtl_drop_queued_tx(struct r8152 *tp)
2674 {
2675     struct net_device_stats *stats = &tp->netdev->stats;
2676     struct sk_buff_head skb_head, *tx_queue = &tp->tx_queue;
2677     struct sk_buff *skb;
2678 
2679     if (skb_queue_empty(tx_queue))
2680         return;
2681 
2682     __skb_queue_head_init(&skb_head);
2683     spin_lock_bh(&tx_queue->lock);
2684     skb_queue_splice_init(tx_queue, &skb_head);
2685     spin_unlock_bh(&tx_queue->lock);
2686 
2687     while ((skb = __skb_dequeue(&skb_head))) {
2688         dev_kfree_skb(skb);
2689         stats->tx_dropped++;
2690     }
2691 }
2692 
2693 static void rtl8152_tx_timeout(struct net_device *netdev, unsigned int txqueue)
2694 {
2695     struct r8152 *tp = netdev_priv(netdev);
2696 
2697     netif_warn(tp, tx_err, netdev, "Tx timeout\n");
2698 
2699     usb_queue_reset_device(tp->intf);
2700 }
2701 
2702 static void rtl8152_set_rx_mode(struct net_device *netdev)
2703 {
2704     struct r8152 *tp = netdev_priv(netdev);
2705 
2706     if (netif_carrier_ok(netdev)) {
2707         set_bit(RTL8152_SET_RX_MODE, &tp->flags);
2708         schedule_delayed_work(&tp->schedule, 0);
2709     }
2710 }
2711 
2712 static void _rtl8152_set_rx_mode(struct net_device *netdev)
2713 {
2714     struct r8152 *tp = netdev_priv(netdev);
2715     u32 mc_filter[2];   /* Multicast hash filter */
2716     __le32 tmp[2];
2717     u32 ocp_data;
2718 
2719     netif_stop_queue(netdev);
2720     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
2721     ocp_data &= ~RCR_ACPT_ALL;
2722     ocp_data |= RCR_AB | RCR_APM;
2723 
2724     if (netdev->flags & IFF_PROMISC) {
2725         /* Unconditionally log net taps. */
2726         netif_notice(tp, link, netdev, "Promiscuous mode enabled\n");
2727         ocp_data |= RCR_AM | RCR_AAP;
2728         mc_filter[1] = 0xffffffff;
2729         mc_filter[0] = 0xffffffff;
2730     } else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
2731            (netdev->flags & IFF_ALLMULTI)) {
2732         /* Too many to filter perfectly -- accept all multicasts. */
2733         ocp_data |= RCR_AM;
2734         mc_filter[1] = 0xffffffff;
2735         mc_filter[0] = 0xffffffff;
2736     } else {
2737         struct netdev_hw_addr *ha;
2738 
2739         mc_filter[1] = 0;
2740         mc_filter[0] = 0;
2741         netdev_for_each_mc_addr(ha, netdev) {
2742             int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
2743 
2744             mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
2745             ocp_data |= RCR_AM;
2746         }
2747     }
2748 
2749     tmp[0] = __cpu_to_le32(swab32(mc_filter[1]));
2750     tmp[1] = __cpu_to_le32(swab32(mc_filter[0]));
2751 
2752     pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
2753     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
2754     netif_wake_queue(netdev);
2755 }
2756 
2757 static netdev_features_t
2758 rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
2759                netdev_features_t features)
2760 {
2761     u32 mss = skb_shinfo(skb)->gso_size;
2762     int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
2763 
2764     if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) &&
2765         skb_transport_offset(skb) > max_offset)
2766         features &= ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
2767     else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
2768         features &= ~NETIF_F_GSO_MASK;
2769 
2770     return features;
2771 }
2772 
2773 static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
2774                       struct net_device *netdev)
2775 {
2776     struct r8152 *tp = netdev_priv(netdev);
2777 
2778     skb_tx_timestamp(skb);
2779 
2780     skb_queue_tail(&tp->tx_queue, skb);
2781 
2782     if (!list_empty(&tp->tx_free)) {
2783         if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
2784             set_bit(SCHEDULE_TASKLET, &tp->flags);
2785             schedule_delayed_work(&tp->schedule, 0);
2786         } else {
2787             usb_mark_last_busy(tp->udev);
2788             tasklet_schedule(&tp->tx_tl);
2789         }
2790     } else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
2791         netif_stop_queue(netdev);
2792     }
2793 
2794     return NETDEV_TX_OK;
2795 }
2796 
2797 static void r8152b_reset_packet_filter(struct r8152 *tp)
2798 {
2799     u32 ocp_data;
2800 
2801     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
2802     ocp_data &= ~FMC_FCR_MCU_EN;
2803     ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
2804     ocp_data |= FMC_FCR_MCU_EN;
2805     ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
2806 }
2807 
2808 static void rtl8152_nic_reset(struct r8152 *tp)
2809 {
2810     u32 ocp_data;
2811     int i;
2812 
2813     switch (tp->version) {
2814     case RTL_TEST_01:
2815     case RTL_VER_10:
2816     case RTL_VER_11:
2817         ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
2818         ocp_data &= ~CR_TE;
2819         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
2820 
2821         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_BMU_RESET);
2822         ocp_data &= ~BMU_RESET_EP_IN;
2823         ocp_write_word(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
2824 
2825         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2826         ocp_data |= CDC_ECM_EN;
2827         ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2828 
2829         ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
2830         ocp_data &= ~CR_RE;
2831         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
2832 
2833         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_BMU_RESET);
2834         ocp_data |= BMU_RESET_EP_IN;
2835         ocp_write_word(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
2836 
2837         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
2838         ocp_data &= ~CDC_ECM_EN;
2839         ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
2840         break;
2841 
2842     default:
2843         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
2844 
2845         for (i = 0; i < 1000; i++) {
2846             if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
2847                 break;
2848             usleep_range(100, 400);
2849         }
2850         break;
2851     }
2852 }
2853 
2854 static void set_tx_qlen(struct r8152 *tp)
2855 {
2856     tp->tx_qlen = agg_buf_sz / (mtu_to_size(tp->netdev->mtu) + sizeof(struct tx_desc));
2857 }
2858 
2859 static inline u16 rtl8152_get_speed(struct r8152 *tp)
2860 {
2861     return ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
2862 }
2863 
2864 static void rtl_eee_plus_en(struct r8152 *tp, bool enable)
2865 {
2866     u32 ocp_data;
2867 
2868     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
2869     if (enable)
2870         ocp_data |= EEEP_CR_EEEP_TX;
2871     else
2872         ocp_data &= ~EEEP_CR_EEEP_TX;
2873     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
2874 }
2875 
2876 static void rtl_set_eee_plus(struct r8152 *tp)
2877 {
2878     if (rtl8152_get_speed(tp) & _10bps)
2879         rtl_eee_plus_en(tp, true);
2880     else
2881         rtl_eee_plus_en(tp, false);
2882 }
2883 
2884 static void rxdy_gated_en(struct r8152 *tp, bool enable)
2885 {
2886     u32 ocp_data;
2887 
2888     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
2889     if (enable)
2890         ocp_data |= RXDY_GATED_EN;
2891     else
2892         ocp_data &= ~RXDY_GATED_EN;
2893     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
2894 }
2895 
2896 static int rtl_start_rx(struct r8152 *tp)
2897 {
2898     struct rx_agg *agg, *agg_next;
2899     struct list_head tmp_list;
2900     unsigned long flags;
2901     int ret = 0, i = 0;
2902 
2903     INIT_LIST_HEAD(&tmp_list);
2904 
2905     spin_lock_irqsave(&tp->rx_lock, flags);
2906 
2907     INIT_LIST_HEAD(&tp->rx_done);
2908     INIT_LIST_HEAD(&tp->rx_used);
2909 
2910     list_splice_init(&tp->rx_info, &tmp_list);
2911 
2912     spin_unlock_irqrestore(&tp->rx_lock, flags);
2913 
2914     list_for_each_entry_safe(agg, agg_next, &tmp_list, info_list) {
2915         INIT_LIST_HEAD(&agg->list);
2916 
2917         /* Only RTL8152_MAX_RX rx_agg need to be submitted. */
2918         if (++i > RTL8152_MAX_RX) {
2919             spin_lock_irqsave(&tp->rx_lock, flags);
2920             list_add_tail(&agg->list, &tp->rx_used);
2921             spin_unlock_irqrestore(&tp->rx_lock, flags);
2922         } else if (unlikely(ret < 0)) {
2923             spin_lock_irqsave(&tp->rx_lock, flags);
2924             list_add_tail(&agg->list, &tp->rx_done);
2925             spin_unlock_irqrestore(&tp->rx_lock, flags);
2926         } else {
2927             ret = r8152_submit_rx(tp, agg, GFP_KERNEL);
2928         }
2929     }
2930 
2931     spin_lock_irqsave(&tp->rx_lock, flags);
2932     WARN_ON(!list_empty(&tp->rx_info));
2933     list_splice(&tmp_list, &tp->rx_info);
2934     spin_unlock_irqrestore(&tp->rx_lock, flags);
2935 
2936     return ret;
2937 }
2938 
2939 static int rtl_stop_rx(struct r8152 *tp)
2940 {
2941     struct rx_agg *agg, *agg_next;
2942     struct list_head tmp_list;
2943     unsigned long flags;
2944 
2945     INIT_LIST_HEAD(&tmp_list);
2946 
2947     /* The usb_kill_urb() couldn't be used in atomic.
2948      * Therefore, move the list of rx_info to a tmp one.
2949      * Then, list_for_each_entry_safe could be used without
2950      * spin lock.
2951      */
2952 
2953     spin_lock_irqsave(&tp->rx_lock, flags);
2954     list_splice_init(&tp->rx_info, &tmp_list);
2955     spin_unlock_irqrestore(&tp->rx_lock, flags);
2956 
2957     list_for_each_entry_safe(agg, agg_next, &tmp_list, info_list) {
2958         /* At least RTL8152_MAX_RX rx_agg have the page_count being
2959          * equal to 1, so the other ones could be freed safely.
2960          */
2961         if (page_count(agg->page) > 1)
2962             free_rx_agg(tp, agg);
2963         else
2964             usb_kill_urb(agg->urb);
2965     }
2966 
2967     /* Move back the list of temp to the rx_info */
2968     spin_lock_irqsave(&tp->rx_lock, flags);
2969     WARN_ON(!list_empty(&tp->rx_info));
2970     list_splice(&tmp_list, &tp->rx_info);
2971     spin_unlock_irqrestore(&tp->rx_lock, flags);
2972 
2973     while (!skb_queue_empty(&tp->rx_queue))
2974         dev_kfree_skb(__skb_dequeue(&tp->rx_queue));
2975 
2976     return 0;
2977 }
2978 
2979 static void rtl_set_ifg(struct r8152 *tp, u16 speed)
2980 {
2981     u32 ocp_data;
2982 
2983     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1);
2984     ocp_data &= ~IFG_MASK;
2985     if ((speed & (_10bps | _100bps)) && !(speed & FULL_DUP)) {
2986         ocp_data |= IFG_144NS;
2987         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR1, ocp_data);
2988 
2989         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4);
2990         ocp_data &= ~TX10MIDLE_EN;
2991         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, ocp_data);
2992     } else {
2993         ocp_data |= IFG_96NS;
2994         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR1, ocp_data);
2995 
2996         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4);
2997         ocp_data |= TX10MIDLE_EN;
2998         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, ocp_data);
2999     }
3000 }
3001 
3002 static inline void r8153b_rx_agg_chg_indicate(struct r8152 *tp)
3003 {
3004     ocp_write_byte(tp, MCU_TYPE_USB, USB_UPT_RXDMA_OWN,
3005                OWN_UPDATE | OWN_CLEAR);
3006 }
3007 
3008 static int rtl_enable(struct r8152 *tp)
3009 {
3010     u32 ocp_data;
3011 
3012     r8152b_reset_packet_filter(tp);
3013 
3014     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
3015     ocp_data |= CR_RE | CR_TE;
3016     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
3017 
3018     switch (tp->version) {
3019     case RTL_VER_08:
3020     case RTL_VER_09:
3021     case RTL_VER_14:
3022         r8153b_rx_agg_chg_indicate(tp);
3023         break;
3024     default:
3025         break;
3026     }
3027 
3028     rxdy_gated_en(tp, false);
3029 
3030     return 0;
3031 }
3032 
3033 static int rtl8152_enable(struct r8152 *tp)
3034 {
3035     if (test_bit(RTL8152_UNPLUG, &tp->flags))
3036         return -ENODEV;
3037 
3038     set_tx_qlen(tp);
3039     rtl_set_eee_plus(tp);
3040 
3041     return rtl_enable(tp);
3042 }
3043 
3044 static void r8153_set_rx_early_timeout(struct r8152 *tp)
3045 {
3046     u32 ocp_data = tp->coalesce / 8;
3047 
3048     switch (tp->version) {
3049     case RTL_VER_03:
3050     case RTL_VER_04:
3051     case RTL_VER_05:
3052     case RTL_VER_06:
3053         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
3054                    ocp_data);
3055         break;
3056 
3057     case RTL_VER_08:
3058     case RTL_VER_09:
3059     case RTL_VER_14:
3060         /* The RTL8153B uses USB_RX_EXTRA_AGGR_TMR for rx timeout
3061          * primarily. For USB_RX_EARLY_TIMEOUT, we fix it to 128ns.
3062          */
3063         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
3064                    128 / 8);
3065         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EXTRA_AGGR_TMR,
3066                    ocp_data);
3067         break;
3068 
3069     case RTL_VER_10:
3070     case RTL_VER_11:
3071     case RTL_VER_12:
3072     case RTL_VER_13:
3073     case RTL_VER_15:
3074         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
3075                    640 / 8);
3076         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EXTRA_AGGR_TMR,
3077                    ocp_data);
3078         r8153b_rx_agg_chg_indicate(tp);
3079         break;
3080 
3081     default:
3082         break;
3083     }
3084 }
3085 
3086 static void r8153_set_rx_early_size(struct r8152 *tp)
3087 {
3088     u32 ocp_data = tp->rx_buf_sz - rx_reserved_size(tp->netdev->mtu);
3089 
3090     switch (tp->version) {
3091     case RTL_VER_03:
3092     case RTL_VER_04:
3093     case RTL_VER_05:
3094     case RTL_VER_06:
3095         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
3096                    ocp_data / 4);
3097         break;
3098     case RTL_VER_08:
3099     case RTL_VER_09:
3100     case RTL_VER_14:
3101         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
3102                    ocp_data / 8);
3103         break;
3104     case RTL_TEST_01:
3105     case RTL_VER_10:
3106     case RTL_VER_11:
3107     case RTL_VER_12:
3108     case RTL_VER_13:
3109     case RTL_VER_15:
3110         ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
3111                    ocp_data / 8);
3112         r8153b_rx_agg_chg_indicate(tp);
3113         break;
3114     default:
3115         WARN_ON_ONCE(1);
3116         break;
3117     }
3118 }
3119 
3120 static int rtl8153_enable(struct r8152 *tp)
3121 {
3122     u32 ocp_data;
3123 
3124     if (test_bit(RTL8152_UNPLUG, &tp->flags))
3125         return -ENODEV;
3126 
3127     set_tx_qlen(tp);
3128     rtl_set_eee_plus(tp);
3129     r8153_set_rx_early_timeout(tp);
3130     r8153_set_rx_early_size(tp);
3131 
3132     rtl_set_ifg(tp, rtl8152_get_speed(tp));
3133 
3134     switch (tp->version) {
3135     case RTL_VER_09:
3136     case RTL_VER_14:
3137         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
3138         ocp_data &= ~FC_PATCH_TASK;
3139         ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
3140         usleep_range(1000, 2000);
3141         ocp_data |= FC_PATCH_TASK;
3142         ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
3143         break;
3144     default:
3145         break;
3146     }
3147 
3148     return rtl_enable(tp);
3149 }
3150 
3151 static void rtl_disable(struct r8152 *tp)
3152 {
3153     u32 ocp_data;
3154     int i;
3155 
3156     if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
3157         rtl_drop_queued_tx(tp);
3158         return;
3159     }
3160 
3161     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
3162     ocp_data &= ~RCR_ACPT_ALL;
3163     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
3164 
3165     rtl_drop_queued_tx(tp);
3166 
3167     for (i = 0; i < RTL8152_MAX_TX; i++)
3168         usb_kill_urb(tp->tx_info[i].urb);
3169 
3170     rxdy_gated_en(tp, true);
3171 
3172     for (i = 0; i < 1000; i++) {
3173         ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
3174         if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
3175             break;
3176         usleep_range(1000, 2000);
3177     }
3178 
3179     for (i = 0; i < 1000; i++) {
3180         if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
3181             break;
3182         usleep_range(1000, 2000);
3183     }
3184 
3185     rtl_stop_rx(tp);
3186 
3187     rtl8152_nic_reset(tp);
3188 }
3189 
3190 static void r8152_power_cut_en(struct r8152 *tp, bool enable)
3191 {
3192     u32 ocp_data;
3193 
3194     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
3195     if (enable)
3196         ocp_data |= POWER_CUT;
3197     else
3198         ocp_data &= ~POWER_CUT;
3199     ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
3200 
3201     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
3202     ocp_data &= ~RESUME_INDICATE;
3203     ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
3204 }
3205 
3206 static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
3207 {
3208     u32 ocp_data;
3209 
3210     switch (tp->version) {
3211     case RTL_VER_01:
3212     case RTL_VER_02:
3213     case RTL_VER_03:
3214     case RTL_VER_04:
3215     case RTL_VER_05:
3216     case RTL_VER_06:
3217     case RTL_VER_07:
3218     case RTL_VER_08:
3219     case RTL_VER_09:
3220     case RTL_VER_14:
3221         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
3222         if (enable)
3223             ocp_data |= CPCR_RX_VLAN;
3224         else
3225             ocp_data &= ~CPCR_RX_VLAN;
3226         ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
3227         break;
3228 
3229     case RTL_TEST_01:
3230     case RTL_VER_10:
3231     case RTL_VER_11:
3232     case RTL_VER_12:
3233     case RTL_VER_13:
3234     case RTL_VER_15:
3235     default:
3236         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RCR1);
3237         if (enable)
3238             ocp_data |= OUTER_VLAN | INNER_VLAN;
3239         else
3240             ocp_data &= ~(OUTER_VLAN | INNER_VLAN);
3241         ocp_write_word(tp, MCU_TYPE_PLA, PLA_RCR1, ocp_data);
3242         break;
3243     }
3244 }
3245 
3246 static int rtl8152_set_features(struct net_device *dev,
3247                 netdev_features_t features)
3248 {
3249     netdev_features_t changed = features ^ dev->features;
3250     struct r8152 *tp = netdev_priv(dev);
3251     int ret;
3252 
3253     ret = usb_autopm_get_interface(tp->intf);
3254     if (ret < 0)
3255         goto out;
3256 
3257     mutex_lock(&tp->control);
3258 
3259     if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
3260         if (features & NETIF_F_HW_VLAN_CTAG_RX)
3261             rtl_rx_vlan_en(tp, true);
3262         else
3263             rtl_rx_vlan_en(tp, false);
3264     }
3265 
3266     mutex_unlock(&tp->control);
3267 
3268     usb_autopm_put_interface(tp->intf);
3269 
3270 out:
3271     return ret;
3272 }
3273 
3274 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
3275 
3276 static u32 __rtl_get_wol(struct r8152 *tp)
3277 {
3278     u32 ocp_data;
3279     u32 wolopts = 0;
3280 
3281     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
3282     if (ocp_data & LINK_ON_WAKE_EN)
3283         wolopts |= WAKE_PHY;
3284 
3285     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
3286     if (ocp_data & UWF_EN)
3287         wolopts |= WAKE_UCAST;
3288     if (ocp_data & BWF_EN)
3289         wolopts |= WAKE_BCAST;
3290     if (ocp_data & MWF_EN)
3291         wolopts |= WAKE_MCAST;
3292 
3293     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
3294     if (ocp_data & MAGIC_EN)
3295         wolopts |= WAKE_MAGIC;
3296 
3297     return wolopts;
3298 }
3299 
3300 static void __rtl_set_wol(struct r8152 *tp, u32 wolopts)
3301 {
3302     u32 ocp_data;
3303 
3304     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
3305 
3306     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
3307     ocp_data &= ~LINK_ON_WAKE_EN;
3308     if (wolopts & WAKE_PHY)
3309         ocp_data |= LINK_ON_WAKE_EN;
3310     ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
3311 
3312     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
3313     ocp_data &= ~(UWF_EN | BWF_EN | MWF_EN);
3314     if (wolopts & WAKE_UCAST)
3315         ocp_data |= UWF_EN;
3316     if (wolopts & WAKE_BCAST)
3317         ocp_data |= BWF_EN;
3318     if (wolopts & WAKE_MCAST)
3319         ocp_data |= MWF_EN;
3320     ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
3321 
3322     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
3323 
3324     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL);
3325     ocp_data &= ~MAGIC_EN;
3326     if (wolopts & WAKE_MAGIC)
3327         ocp_data |= MAGIC_EN;
3328     ocp_write_word(tp, MCU_TYPE_PLA, PLA_CFG_WOL, ocp_data);
3329 
3330     if (wolopts & WAKE_ANY)
3331         device_set_wakeup_enable(&tp->udev->dev, true);
3332     else
3333         device_set_wakeup_enable(&tp->udev->dev, false);
3334 }
3335 
3336 static void r8153_mac_clk_speed_down(struct r8152 *tp, bool enable)
3337 {
3338     u32 ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2);
3339 
3340     /* MAC clock speed down */
3341     if (enable)
3342         ocp_data |= MAC_CLK_SPDWN_EN;
3343     else
3344         ocp_data &= ~MAC_CLK_SPDWN_EN;
3345 
3346     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, ocp_data);
3347 }
3348 
3349 static void r8156_mac_clk_spd(struct r8152 *tp, bool enable)
3350 {
3351     u32 ocp_data;
3352 
3353     /* MAC clock speed down */
3354     if (enable) {
3355         /* aldps_spdwn_ratio, tp10_spdwn_ratio */
3356         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL,
3357                    0x0403);
3358 
3359         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2);
3360         ocp_data &= ~EEE_SPDWN_RATIO_MASK;
3361         ocp_data |= MAC_CLK_SPDWN_EN | 0x03; /* eee_spdwn_ratio */
3362         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, ocp_data);
3363     } else {
3364         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2);
3365         ocp_data &= ~MAC_CLK_SPDWN_EN;
3366         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, ocp_data);
3367     }
3368 }
3369 
3370 static void r8153_u1u2en(struct r8152 *tp, bool enable)
3371 {
3372     u8 u1u2[8];
3373 
3374     if (enable)
3375         memset(u1u2, 0xff, sizeof(u1u2));
3376     else
3377         memset(u1u2, 0x00, sizeof(u1u2));
3378 
3379     usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
3380 }
3381 
3382 static void r8153b_u1u2en(struct r8152 *tp, bool enable)
3383 {
3384     u32 ocp_data;
3385 
3386     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_LPM_CONFIG);
3387     if (enable)
3388         ocp_data |= LPM_U1U2_EN;
3389     else
3390         ocp_data &= ~LPM_U1U2_EN;
3391 
3392     ocp_write_word(tp, MCU_TYPE_USB, USB_LPM_CONFIG, ocp_data);
3393 }
3394 
3395 static void r8153_u2p3en(struct r8152 *tp, bool enable)
3396 {
3397     u32 ocp_data;
3398 
3399     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
3400     if (enable)
3401         ocp_data |= U2P3_ENABLE;
3402     else
3403         ocp_data &= ~U2P3_ENABLE;
3404     ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
3405 }
3406 
3407 static void r8153b_ups_flags(struct r8152 *tp)
3408 {
3409     u32 ups_flags = 0;
3410 
3411     if (tp->ups_info.green)
3412         ups_flags |= UPS_FLAGS_EN_GREEN;
3413 
3414     if (tp->ups_info.aldps)
3415         ups_flags |= UPS_FLAGS_EN_ALDPS;
3416 
3417     if (tp->ups_info.eee)
3418         ups_flags |= UPS_FLAGS_EN_EEE;
3419 
3420     if (tp->ups_info.flow_control)
3421         ups_flags |= UPS_FLAGS_EN_FLOW_CTR;
3422 
3423     if (tp->ups_info.eee_ckdiv)
3424         ups_flags |= UPS_FLAGS_EN_EEE_CKDIV;
3425 
3426     if (tp->ups_info.eee_cmod_lv)
3427         ups_flags |= UPS_FLAGS_EEE_CMOD_LV_EN;
3428 
3429     if (tp->ups_info.r_tune)
3430         ups_flags |= UPS_FLAGS_R_TUNE;
3431 
3432     if (tp->ups_info._10m_ckdiv)
3433         ups_flags |= UPS_FLAGS_EN_10M_CKDIV;
3434 
3435     if (tp->ups_info.eee_plloff_100)
3436         ups_flags |= UPS_FLAGS_EEE_PLLOFF_100;
3437 
3438     if (tp->ups_info.eee_plloff_giga)
3439         ups_flags |= UPS_FLAGS_EEE_PLLOFF_GIGA;
3440 
3441     if (tp->ups_info._250m_ckdiv)
3442         ups_flags |= UPS_FLAGS_250M_CKDIV;
3443 
3444     if (tp->ups_info.ctap_short_off)
3445         ups_flags |= UPS_FLAGS_CTAP_SHORT_DIS;
3446 
3447     switch (tp->ups_info.speed_duplex) {
3448     case NWAY_10M_HALF:
3449         ups_flags |= ups_flags_speed(1);
3450         break;
3451     case NWAY_10M_FULL:
3452         ups_flags |= ups_flags_speed(2);
3453         break;
3454     case NWAY_100M_HALF:
3455         ups_flags |= ups_flags_speed(3);
3456         break;
3457     case NWAY_100M_FULL:
3458         ups_flags |= ups_flags_speed(4);
3459         break;
3460     case NWAY_1000M_FULL:
3461         ups_flags |= ups_flags_speed(5);
3462         break;
3463     case FORCE_10M_HALF:
3464         ups_flags |= ups_flags_speed(6);
3465         break;
3466     case FORCE_10M_FULL:
3467         ups_flags |= ups_flags_speed(7);
3468         break;
3469     case FORCE_100M_HALF:
3470         ups_flags |= ups_flags_speed(8);
3471         break;
3472     case FORCE_100M_FULL:
3473         ups_flags |= ups_flags_speed(9);
3474         break;
3475     default:
3476         break;
3477     }
3478 
3479     ocp_write_dword(tp, MCU_TYPE_USB, USB_UPS_FLAGS, ups_flags);
3480 }
3481 
3482 static void r8156_ups_flags(struct r8152 *tp)
3483 {
3484     u32 ups_flags = 0;
3485 
3486     if (tp->ups_info.green)
3487         ups_flags |= UPS_FLAGS_EN_GREEN;
3488 
3489     if (tp->ups_info.aldps)
3490         ups_flags |= UPS_FLAGS_EN_ALDPS;
3491 
3492     if (tp->ups_info.eee)
3493         ups_flags |= UPS_FLAGS_EN_EEE;
3494 
3495     if (tp->ups_info.flow_control)
3496         ups_flags |= UPS_FLAGS_EN_FLOW_CTR;
3497 
3498     if (tp->ups_info.eee_ckdiv)
3499         ups_flags |= UPS_FLAGS_EN_EEE_CKDIV;
3500 
3501     if (tp->ups_info._10m_ckdiv)
3502         ups_flags |= UPS_FLAGS_EN_10M_CKDIV;
3503 
3504     if (tp->ups_info.eee_plloff_100)
3505         ups_flags |= UPS_FLAGS_EEE_PLLOFF_100;
3506 
3507     if (tp->ups_info.eee_plloff_giga)
3508         ups_flags |= UPS_FLAGS_EEE_PLLOFF_GIGA;
3509 
3510     if (tp->ups_info._250m_ckdiv)
3511         ups_flags |= UPS_FLAGS_250M_CKDIV;
3512 
3513     switch (tp->ups_info.speed_duplex) {
3514     case FORCE_10M_HALF:
3515         ups_flags |= ups_flags_speed(0);
3516         break;
3517     case FORCE_10M_FULL:
3518         ups_flags |= ups_flags_speed(1);
3519         break;
3520     case FORCE_100M_HALF:
3521         ups_flags |= ups_flags_speed(2);
3522         break;
3523     case FORCE_100M_FULL:
3524         ups_flags |= ups_flags_speed(3);
3525         break;
3526     case NWAY_10M_HALF:
3527         ups_flags |= ups_flags_speed(4);
3528         break;
3529     case NWAY_10M_FULL:
3530         ups_flags |= ups_flags_speed(5);
3531         break;
3532     case NWAY_100M_HALF:
3533         ups_flags |= ups_flags_speed(6);
3534         break;
3535     case NWAY_100M_FULL:
3536         ups_flags |= ups_flags_speed(7);
3537         break;
3538     case NWAY_1000M_FULL:
3539         ups_flags |= ups_flags_speed(8);
3540         break;
3541     case NWAY_2500M_FULL:
3542         ups_flags |= ups_flags_speed(9);
3543         break;
3544     default:
3545         break;
3546     }
3547 
3548     switch (tp->ups_info.lite_mode) {
3549     case 1:
3550         ups_flags |= 0 << 5;
3551         break;
3552     case 2:
3553         ups_flags |= 2 << 5;
3554         break;
3555     case 0:
3556     default:
3557         ups_flags |= 1 << 5;
3558         break;
3559     }
3560 
3561     ocp_write_dword(tp, MCU_TYPE_USB, USB_UPS_FLAGS, ups_flags);
3562 }
3563 
3564 static void rtl_green_en(struct r8152 *tp, bool enable)
3565 {
3566     u16 data;
3567 
3568     data = sram_read(tp, SRAM_GREEN_CFG);
3569     if (enable)
3570         data |= GREEN_ETH_EN;
3571     else
3572         data &= ~GREEN_ETH_EN;
3573     sram_write(tp, SRAM_GREEN_CFG, data);
3574 
3575     tp->ups_info.green = enable;
3576 }
3577 
3578 static void r8153b_green_en(struct r8152 *tp, bool enable)
3579 {
3580     if (enable) {
3581         sram_write(tp, 0x8045, 0);  /* 10M abiq&ldvbias */
3582         sram_write(tp, 0x804d, 0x1222); /* 100M short abiq&ldvbias */
3583         sram_write(tp, 0x805d, 0x0022); /* 1000M short abiq&ldvbias */
3584     } else {
3585         sram_write(tp, 0x8045, 0x2444); /* 10M abiq&ldvbias */
3586         sram_write(tp, 0x804d, 0x2444); /* 100M short abiq&ldvbias */
3587         sram_write(tp, 0x805d, 0x2444); /* 1000M short abiq&ldvbias */
3588     }
3589 
3590     rtl_green_en(tp, true);
3591 }
3592 
3593 static u16 r8153_phy_status(struct r8152 *tp, u16 desired)
3594 {
3595     u16 data;
3596     int i;
3597 
3598     for (i = 0; i < 500; i++) {
3599         data = ocp_reg_read(tp, OCP_PHY_STATUS);
3600         data &= PHY_STAT_MASK;
3601         if (desired) {
3602             if (data == desired)
3603                 break;
3604         } else if (data == PHY_STAT_LAN_ON || data == PHY_STAT_PWRDN ||
3605                data == PHY_STAT_EXT_INIT) {
3606             break;
3607         }
3608 
3609         msleep(20);
3610         if (test_bit(RTL8152_UNPLUG, &tp->flags))
3611             break;
3612     }
3613 
3614     return data;
3615 }
3616 
3617 static void r8153b_ups_en(struct r8152 *tp, bool enable)
3618 {
3619     u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_POWER_CUT);
3620 
3621     if (enable) {
3622         r8153b_ups_flags(tp);
3623 
3624         ocp_data |= UPS_EN | USP_PREWAKE | PHASE2_EN;
3625         ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3626 
3627         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
3628         ocp_data |= UPS_FORCE_PWR_DOWN;
3629         ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
3630     } else {
3631         ocp_data &= ~(UPS_EN | USP_PREWAKE);
3632         ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3633 
3634         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
3635         ocp_data &= ~UPS_FORCE_PWR_DOWN;
3636         ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
3637 
3638         if (ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0) & PCUT_STATUS) {
3639             int i;
3640 
3641             for (i = 0; i < 500; i++) {
3642                 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
3643                     AUTOLOAD_DONE)
3644                     break;
3645                 msleep(20);
3646             }
3647 
3648             tp->rtl_ops.hw_phy_cfg(tp);
3649 
3650             rtl8152_set_speed(tp, tp->autoneg, tp->speed,
3651                       tp->duplex, tp->advertising);
3652         }
3653     }
3654 }
3655 
3656 static void r8153c_ups_en(struct r8152 *tp, bool enable)
3657 {
3658     u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_POWER_CUT);
3659 
3660     if (enable) {
3661         r8153b_ups_flags(tp);
3662 
3663         ocp_data |= UPS_EN | USP_PREWAKE | PHASE2_EN;
3664         ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3665 
3666         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
3667         ocp_data |= UPS_FORCE_PWR_DOWN;
3668         ocp_data &= ~BIT(7);
3669         ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
3670     } else {
3671         ocp_data &= ~(UPS_EN | USP_PREWAKE);
3672         ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3673 
3674         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
3675         ocp_data &= ~UPS_FORCE_PWR_DOWN;
3676         ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
3677 
3678         if (ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0) & PCUT_STATUS) {
3679             int i;
3680 
3681             for (i = 0; i < 500; i++) {
3682                 if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
3683                     AUTOLOAD_DONE)
3684                     break;
3685                 msleep(20);
3686             }
3687 
3688             tp->rtl_ops.hw_phy_cfg(tp);
3689 
3690             rtl8152_set_speed(tp, tp->autoneg, tp->speed,
3691                       tp->duplex, tp->advertising);
3692         }
3693 
3694         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
3695 
3696         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
3697         ocp_data |= BIT(8);
3698         ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
3699 
3700         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
3701     }
3702 }
3703 
3704 static void r8156_ups_en(struct r8152 *tp, bool enable)
3705 {
3706     u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_POWER_CUT);
3707 
3708     if (enable) {
3709         r8156_ups_flags(tp);
3710 
3711         ocp_data |= UPS_EN | USP_PREWAKE | PHASE2_EN;
3712         ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3713 
3714         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
3715         ocp_data |= UPS_FORCE_PWR_DOWN;
3716         ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
3717 
3718         switch (tp->version) {
3719         case RTL_VER_13:
3720         case RTL_VER_15:
3721             ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPHY_XTAL);
3722             ocp_data &= ~OOBS_POLLING;
3723             ocp_write_byte(tp, MCU_TYPE_USB, USB_UPHY_XTAL, ocp_data);
3724             break;
3725         default:
3726             break;
3727         }
3728     } else {
3729         ocp_data &= ~(UPS_EN | USP_PREWAKE);
3730         ocp_write_byte(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3731 
3732         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
3733         ocp_data &= ~UPS_FORCE_PWR_DOWN;
3734         ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
3735 
3736         if (ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0) & PCUT_STATUS) {
3737             tp->rtl_ops.hw_phy_cfg(tp);
3738 
3739             rtl8152_set_speed(tp, tp->autoneg, tp->speed,
3740                       tp->duplex, tp->advertising);
3741         }
3742     }
3743 }
3744 
3745 static void r8153_power_cut_en(struct r8152 *tp, bool enable)
3746 {
3747     u32 ocp_data;
3748 
3749     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
3750     if (enable)
3751         ocp_data |= PWR_EN | PHASE2_EN;
3752     else
3753         ocp_data &= ~(PWR_EN | PHASE2_EN);
3754     ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3755 
3756     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
3757     ocp_data &= ~PCUT_STATUS;
3758     ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
3759 }
3760 
3761 static void r8153b_power_cut_en(struct r8152 *tp, bool enable)
3762 {
3763     u32 ocp_data;
3764 
3765     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
3766     if (enable)
3767         ocp_data |= PWR_EN | PHASE2_EN;
3768     else
3769         ocp_data &= ~PWR_EN;
3770     ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
3771 
3772     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
3773     ocp_data &= ~PCUT_STATUS;
3774     ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
3775 }
3776 
3777 static void r8153_queue_wake(struct r8152 *tp, bool enable)
3778 {
3779     u32 ocp_data;
3780 
3781     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG);
3782     if (enable)
3783         ocp_data |= UPCOMING_RUNTIME_D3;
3784     else
3785         ocp_data &= ~UPCOMING_RUNTIME_D3;
3786     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_INDICATE_FALG, ocp_data);
3787 
3788     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG);
3789     ocp_data &= ~LINK_CHG_EVENT;
3790     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_SUSPEND_FLAG, ocp_data);
3791 
3792     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
3793     ocp_data &= ~LINK_CHANGE_FLAG;
3794     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
3795 }
3796 
3797 static bool rtl_can_wakeup(struct r8152 *tp)
3798 {
3799     struct usb_device *udev = tp->udev;
3800 
3801     return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP);
3802 }
3803 
3804 static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
3805 {
3806     if (enable) {
3807         u32 ocp_data;
3808 
3809         __rtl_set_wol(tp, WAKE_ANY);
3810 
3811         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
3812 
3813         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
3814         ocp_data |= LINK_OFF_WAKE_EN;
3815         ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
3816 
3817         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
3818     } else {
3819         u32 ocp_data;
3820 
3821         __rtl_set_wol(tp, tp->saved_wolopts);
3822 
3823         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
3824 
3825         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
3826         ocp_data &= ~LINK_OFF_WAKE_EN;
3827         ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
3828 
3829         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
3830     }
3831 }
3832 
3833 static void rtl8153_runtime_enable(struct r8152 *tp, bool enable)
3834 {
3835     if (enable) {
3836         r8153_u1u2en(tp, false);
3837         r8153_u2p3en(tp, false);
3838         rtl_runtime_suspend_enable(tp, true);
3839     } else {
3840         rtl_runtime_suspend_enable(tp, false);
3841 
3842         switch (tp->version) {
3843         case RTL_VER_03:
3844         case RTL_VER_04:
3845             break;
3846         case RTL_VER_05:
3847         case RTL_VER_06:
3848         default:
3849             r8153_u2p3en(tp, true);
3850             break;
3851         }
3852 
3853         r8153_u1u2en(tp, true);
3854     }
3855 }
3856 
3857 static void rtl8153b_runtime_enable(struct r8152 *tp, bool enable)
3858 {
3859     if (enable) {
3860         r8153_queue_wake(tp, true);
3861         r8153b_u1u2en(tp, false);
3862         r8153_u2p3en(tp, false);
3863         rtl_runtime_suspend_enable(tp, true);
3864         r8153b_ups_en(tp, true);
3865     } else {
3866         r8153b_ups_en(tp, false);
3867         r8153_queue_wake(tp, false);
3868         rtl_runtime_suspend_enable(tp, false);
3869         if (tp->udev->speed >= USB_SPEED_SUPER)
3870             r8153b_u1u2en(tp, true);
3871     }
3872 }
3873 
3874 static void rtl8153c_runtime_enable(struct r8152 *tp, bool enable)
3875 {
3876     if (enable) {
3877         r8153_queue_wake(tp, true);
3878         r8153b_u1u2en(tp, false);
3879         r8153_u2p3en(tp, false);
3880         rtl_runtime_suspend_enable(tp, true);
3881         r8153c_ups_en(tp, true);
3882     } else {
3883         r8153c_ups_en(tp, false);
3884         r8153_queue_wake(tp, false);
3885         rtl_runtime_suspend_enable(tp, false);
3886         r8153b_u1u2en(tp, true);
3887     }
3888 }
3889 
3890 static void rtl8156_runtime_enable(struct r8152 *tp, bool enable)
3891 {
3892     if (enable) {
3893         r8153_queue_wake(tp, true);
3894         r8153b_u1u2en(tp, false);
3895         r8153_u2p3en(tp, false);
3896         rtl_runtime_suspend_enable(tp, true);
3897     } else {
3898         r8153_queue_wake(tp, false);
3899         rtl_runtime_suspend_enable(tp, false);
3900         r8153_u2p3en(tp, true);
3901         if (tp->udev->speed >= USB_SPEED_SUPER)
3902             r8153b_u1u2en(tp, true);
3903     }
3904 }
3905 
3906 static void r8153_teredo_off(struct r8152 *tp)
3907 {
3908     u32 ocp_data;
3909 
3910     switch (tp->version) {
3911     case RTL_VER_01:
3912     case RTL_VER_02:
3913     case RTL_VER_03:
3914     case RTL_VER_04:
3915     case RTL_VER_05:
3916     case RTL_VER_06:
3917     case RTL_VER_07:
3918         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
3919         ocp_data &= ~(TEREDO_SEL | TEREDO_RS_EVENT_MASK |
3920                   OOB_TEREDO_EN);
3921         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
3922         break;
3923 
3924     case RTL_VER_08:
3925     case RTL_VER_09:
3926     case RTL_TEST_01:
3927     case RTL_VER_10:
3928     case RTL_VER_11:
3929     case RTL_VER_12:
3930     case RTL_VER_13:
3931     case RTL_VER_14:
3932     case RTL_VER_15:
3933     default:
3934         /* The bit 0 ~ 7 are relative with teredo settings. They are
3935          * W1C (write 1 to clear), so set all 1 to disable it.
3936          */
3937         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, 0xff);
3938         break;
3939     }
3940 
3941     ocp_write_word(tp, MCU_TYPE_PLA, PLA_WDT6_CTRL, WDT6_SET_MODE);
3942     ocp_write_word(tp, MCU_TYPE_PLA, PLA_REALWOW_TIMER, 0);
3943     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TEREDO_TIMER, 0);
3944 }
3945 
3946 static void rtl_reset_bmu(struct r8152 *tp)
3947 {
3948     u32 ocp_data;
3949 
3950     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_RESET);
3951     ocp_data &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT);
3952     ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
3953     ocp_data |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT;
3954     ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
3955 }
3956 
3957 /* Clear the bp to stop the firmware before loading a new one */
3958 static void rtl_clear_bp(struct r8152 *tp, u16 type)
3959 {
3960     switch (tp->version) {
3961     case RTL_VER_01:
3962     case RTL_VER_02:
3963     case RTL_VER_07:
3964         break;
3965     case RTL_VER_03:
3966     case RTL_VER_04:
3967     case RTL_VER_05:
3968     case RTL_VER_06:
3969         ocp_write_byte(tp, type, PLA_BP_EN, 0);
3970         break;
3971     case RTL_VER_14:
3972         ocp_write_word(tp, type, USB_BP2_EN, 0);
3973 
3974         ocp_write_word(tp, type, USB_BP_8, 0);
3975         ocp_write_word(tp, type, USB_BP_9, 0);
3976         ocp_write_word(tp, type, USB_BP_10, 0);
3977         ocp_write_word(tp, type, USB_BP_11, 0);
3978         ocp_write_word(tp, type, USB_BP_12, 0);
3979         ocp_write_word(tp, type, USB_BP_13, 0);
3980         ocp_write_word(tp, type, USB_BP_14, 0);
3981         ocp_write_word(tp, type, USB_BP_15, 0);
3982         break;
3983     case RTL_VER_08:
3984     case RTL_VER_09:
3985     case RTL_VER_10:
3986     case RTL_VER_11:
3987     case RTL_VER_12:
3988     case RTL_VER_13:
3989     case RTL_VER_15:
3990     default:
3991         if (type == MCU_TYPE_USB) {
3992             ocp_write_word(tp, MCU_TYPE_USB, USB_BP2_EN, 0);
3993 
3994             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_8, 0);
3995             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_9, 0);
3996             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_10, 0);
3997             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_11, 0);
3998             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_12, 0);
3999             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_13, 0);
4000             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_14, 0);
4001             ocp_write_word(tp, MCU_TYPE_USB, USB_BP_15, 0);
4002         } else {
4003             ocp_write_byte(tp, MCU_TYPE_PLA, PLA_BP_EN, 0);
4004         }
4005         break;
4006     }
4007 
4008     ocp_write_word(tp, type, PLA_BP_0, 0);
4009     ocp_write_word(tp, type, PLA_BP_1, 0);
4010     ocp_write_word(tp, type, PLA_BP_2, 0);
4011     ocp_write_word(tp, type, PLA_BP_3, 0);
4012     ocp_write_word(tp, type, PLA_BP_4, 0);
4013     ocp_write_word(tp, type, PLA_BP_5, 0);
4014     ocp_write_word(tp, type, PLA_BP_6, 0);
4015     ocp_write_word(tp, type, PLA_BP_7, 0);
4016 
4017     /* wait 3 ms to make sure the firmware is stopped */
4018     usleep_range(3000, 6000);
4019     ocp_write_word(tp, type, PLA_BP_BA, 0);
4020 }
4021 
4022 static inline void rtl_reset_ocp_base(struct r8152 *tp)
4023 {
4024     tp->ocp_base = -1;
4025 }
4026 
4027 static int rtl_phy_patch_request(struct r8152 *tp, bool request, bool wait)
4028 {
4029     u16 data, check;
4030     int i;
4031 
4032     data = ocp_reg_read(tp, OCP_PHY_PATCH_CMD);
4033     if (request) {
4034         data |= PATCH_REQUEST;
4035         check = 0;
4036     } else {
4037         data &= ~PATCH_REQUEST;
4038         check = PATCH_READY;
4039     }
4040     ocp_reg_write(tp, OCP_PHY_PATCH_CMD, data);
4041 
4042     for (i = 0; wait && i < 5000; i++) {
4043         u32 ocp_data;
4044 
4045         usleep_range(1000, 2000);
4046         ocp_data = ocp_reg_read(tp, OCP_PHY_PATCH_STAT);
4047         if ((ocp_data & PATCH_READY) ^ check)
4048             break;
4049     }
4050 
4051     if (request && wait &&
4052         !(ocp_reg_read(tp, OCP_PHY_PATCH_STAT) & PATCH_READY)) {
4053         dev_err(&tp->intf->dev, "PHY patch request fail\n");
4054         rtl_phy_patch_request(tp, false, false);
4055         return -ETIME;
4056     } else {
4057         return 0;
4058     }
4059 }
4060 
4061 static void rtl_patch_key_set(struct r8152 *tp, u16 key_addr, u16 patch_key)
4062 {
4063     if (patch_key && key_addr) {
4064         sram_write(tp, key_addr, patch_key);
4065         sram_write(tp, SRAM_PHY_LOCK, PHY_PATCH_LOCK);
4066     } else if (key_addr) {
4067         u16 data;
4068 
4069         sram_write(tp, 0x0000, 0x0000);
4070 
4071         data = ocp_reg_read(tp, OCP_PHY_LOCK);
4072         data &= ~PATCH_LOCK;
4073         ocp_reg_write(tp, OCP_PHY_LOCK, data);
4074 
4075         sram_write(tp, key_addr, 0x0000);
4076     } else {
4077         WARN_ON_ONCE(1);
4078     }
4079 }
4080 
4081 static int
4082 rtl_pre_ram_code(struct r8152 *tp, u16 key_addr, u16 patch_key, bool wait)
4083 {
4084     if (rtl_phy_patch_request(tp, true, wait))
4085         return -ETIME;
4086 
4087     rtl_patch_key_set(tp, key_addr, patch_key);
4088 
4089     return 0;
4090 }
4091 
4092 static int rtl_post_ram_code(struct r8152 *tp, u16 key_addr, bool wait)
4093 {
4094     rtl_patch_key_set(tp, key_addr, 0);
4095 
4096     rtl_phy_patch_request(tp, false, wait);
4097 
4098     return 0;
4099 }
4100 
4101 static bool rtl8152_is_fw_phy_speed_up_ok(struct r8152 *tp, struct fw_phy_speed_up *phy)
4102 {
4103     u16 fw_offset;
4104     u32 length;
4105     bool rc = false;
4106 
4107     switch (tp->version) {
4108     case RTL_VER_01:
4109     case RTL_VER_02:
4110     case RTL_VER_03:
4111     case RTL_VER_04:
4112     case RTL_VER_05:
4113     case RTL_VER_06:
4114     case RTL_VER_07:
4115     case RTL_VER_08:
4116     case RTL_VER_09:
4117     case RTL_VER_10:
4118     case RTL_VER_11:
4119     case RTL_VER_12:
4120     case RTL_VER_14:
4121         goto out;
4122     case RTL_VER_13:
4123     case RTL_VER_15:
4124     default:
4125         break;
4126     }
4127 
4128     fw_offset = __le16_to_cpu(phy->fw_offset);
4129     length = __le32_to_cpu(phy->blk_hdr.length);
4130     if (fw_offset < sizeof(*phy) || length <= fw_offset) {
4131         dev_err(&tp->intf->dev, "invalid fw_offset\n");
4132         goto out;
4133     }
4134 
4135     length -= fw_offset;
4136     if (length & 3) {
4137         dev_err(&tp->intf->dev, "invalid block length\n");
4138         goto out;
4139     }
4140 
4141     if (__le16_to_cpu(phy->fw_reg) != 0x9A00) {
4142         dev_err(&tp->intf->dev, "invalid register to load firmware\n");
4143         goto out;
4144     }
4145 
4146     rc = true;
4147 out:
4148     return rc;
4149 }
4150 
4151 static bool rtl8152_is_fw_phy_ver_ok(struct r8152 *tp, struct fw_phy_ver *ver)
4152 {
4153     bool rc = false;
4154 
4155     switch (tp->version) {
4156     case RTL_VER_10:
4157     case RTL_VER_11:
4158     case RTL_VER_12:
4159     case RTL_VER_13:
4160     case RTL_VER_15:
4161         break;
4162     default:
4163         goto out;
4164     }
4165 
4166     if (__le32_to_cpu(ver->blk_hdr.length) != sizeof(*ver)) {
4167         dev_err(&tp->intf->dev, "invalid block length\n");
4168         goto out;
4169     }
4170 
4171     if (__le16_to_cpu(ver->ver.addr) != SRAM_GPHY_FW_VER) {
4172         dev_err(&tp->intf->dev, "invalid phy ver addr\n");
4173         goto out;
4174     }
4175 
4176     rc = true;
4177 out:
4178     return rc;
4179 }
4180 
4181 static bool rtl8152_is_fw_phy_fixup_ok(struct r8152 *tp, struct fw_phy_fixup *fix)
4182 {
4183     bool rc = false;
4184 
4185     switch (tp->version) {
4186     case RTL_VER_10:
4187     case RTL_VER_11:
4188     case RTL_VER_12:
4189     case RTL_VER_13:
4190     case RTL_VER_15:
4191         break;
4192     default:
4193         goto out;
4194     }
4195 
4196     if (__le32_to_cpu(fix->blk_hdr.length) != sizeof(*fix)) {
4197         dev_err(&tp->intf->dev, "invalid block length\n");
4198         goto out;
4199     }
4200 
4201     if (__le16_to_cpu(fix->setting.addr) != OCP_PHY_PATCH_CMD ||
4202         __le16_to_cpu(fix->setting.data) != BIT(7)) {
4203         dev_err(&tp->intf->dev, "invalid phy fixup\n");
4204         goto out;
4205     }
4206 
4207     rc = true;
4208 out:
4209     return rc;
4210 }
4211 
4212 static bool rtl8152_is_fw_phy_union_ok(struct r8152 *tp, struct fw_phy_union *phy)
4213 {
4214     u16 fw_offset;
4215     u32 length;
4216     bool rc = false;
4217 
4218     switch (tp->version) {
4219     case RTL_VER_10:
4220     case RTL_VER_11:
4221     case RTL_VER_12:
4222     case RTL_VER_13:
4223     case RTL_VER_15:
4224         break;
4225     default:
4226         goto out;
4227     }
4228 
4229     fw_offset = __le16_to_cpu(phy->fw_offset);
4230     length = __le32_to_cpu(phy->blk_hdr.length);
4231     if (fw_offset < sizeof(*phy) || length <= fw_offset) {
4232         dev_err(&tp->intf->dev, "invalid fw_offset\n");
4233         goto out;
4234     }
4235 
4236     length -= fw_offset;
4237     if (length & 1) {
4238         dev_err(&tp->intf->dev, "invalid block length\n");
4239         goto out;
4240     }
4241 
4242     if (phy->pre_num > 2) {
4243         dev_err(&tp->intf->dev, "invalid pre_num %d\n", phy->pre_num);
4244         goto out;
4245     }
4246 
4247     if (phy->bp_num > 8) {
4248         dev_err(&tp->intf->dev, "invalid bp_num %d\n", phy->bp_num);
4249         goto out;
4250     }
4251 
4252     rc = true;
4253 out:
4254     return rc;
4255 }
4256 
4257 static bool rtl8152_is_fw_phy_nc_ok(struct r8152 *tp, struct fw_phy_nc *phy)
4258 {
4259     u32 length;
4260     u16 fw_offset, fw_reg, ba_reg, patch_en_addr, mode_reg, bp_start;
4261     bool rc = false;
4262 
4263     switch (tp->version) {
4264     case RTL_VER_04:
4265     case RTL_VER_05:
4266     case RTL_VER_06:
4267         fw_reg = 0xa014;
4268         ba_reg = 0xa012;
4269         patch_en_addr = 0xa01a;
4270         mode_reg = 0xb820;
4271         bp_start = 0xa000;
4272         break;
4273     default:
4274         goto out;
4275     }
4276 
4277     fw_offset = __le16_to_cpu(phy->fw_offset);
4278     if (fw_offset < sizeof(*phy)) {
4279         dev_err(&tp->intf->dev, "fw_offset too small\n");
4280         goto out;
4281     }
4282 
4283     length = __le32_to_cpu(phy->blk_hdr.length);
4284     if (length < fw_offset) {
4285         dev_err(&tp->intf->dev, "invalid fw_offset\n");
4286         goto out;
4287     }
4288 
4289     length -= __le16_to_cpu(phy->fw_offset);
4290     if (!length || (length & 1)) {
4291         dev_err(&tp->intf->dev, "invalid block length\n");
4292         goto out;
4293     }
4294 
4295     if (__le16_to_cpu(phy->fw_reg) != fw_reg) {
4296         dev_err(&tp->intf->dev, "invalid register to load firmware\n");
4297         goto out;
4298     }
4299 
4300     if (__le16_to_cpu(phy->ba_reg) != ba_reg) {
4301         dev_err(&tp->intf->dev, "invalid base address register\n");
4302         goto out;
4303     }
4304 
4305     if (__le16_to_cpu(phy->patch_en_addr) != patch_en_addr) {
4306         dev_err(&tp->intf->dev,
4307             "invalid patch mode enabled register\n");
4308         goto out;
4309     }
4310 
4311     if (__le16_to_cpu(phy->mode_reg) != mode_reg) {
4312         dev_err(&tp->intf->dev,
4313             "invalid register to switch the mode\n");
4314         goto out;
4315     }
4316 
4317     if (__le16_to_cpu(phy->bp_start) != bp_start) {
4318         dev_err(&tp->intf->dev,
4319             "invalid start register of break point\n");
4320         goto out;
4321     }
4322 
4323     if (__le16_to_cpu(phy->bp_num) > 4) {
4324         dev_err(&tp->intf->dev, "invalid break point number\n");
4325         goto out;
4326     }
4327 
4328     rc = true;
4329 out:
4330     return rc;
4331 }
4332 
4333 static bool rtl8152_is_fw_mac_ok(struct r8152 *tp, struct fw_mac *mac)
4334 {
4335     u16 fw_reg, bp_ba_addr, bp_en_addr, bp_start, fw_offset;
4336     bool rc = false;
4337     u32 length, type;
4338     int i, max_bp;
4339 
4340     type = __le32_to_cpu(mac->blk_hdr.type);
4341     if (type == RTL_FW_PLA) {
4342         switch (tp->version) {
4343         case RTL_VER_01:
4344         case RTL_VER_02:
4345         case RTL_VER_07:
4346             fw_reg = 0xf800;
4347             bp_ba_addr = PLA_BP_BA;
4348             bp_en_addr = 0;
4349             bp_start = PLA_BP_0;
4350             max_bp = 8;
4351             break;
4352         case RTL_VER_03:
4353         case RTL_VER_04:
4354         case RTL_VER_05:
4355         case RTL_VER_06:
4356         case RTL_VER_08:
4357         case RTL_VER_09:
4358         case RTL_VER_11:
4359         case RTL_VER_12:
4360         case RTL_VER_13:
4361         case RTL_VER_15:
4362             fw_reg = 0xf800;
4363             bp_ba_addr = PLA_BP_BA;
4364             bp_en_addr = PLA_BP_EN;
4365             bp_start = PLA_BP_0;
4366             max_bp = 8;
4367             break;
4368         case RTL_VER_14:
4369             fw_reg = 0xf800;
4370             bp_ba_addr = PLA_BP_BA;
4371             bp_en_addr = USB_BP2_EN;
4372             bp_start = PLA_BP_0;
4373             max_bp = 16;
4374             break;
4375         default:
4376             goto out;
4377         }
4378     } else if (type == RTL_FW_USB) {
4379         switch (tp->version) {
4380         case RTL_VER_03:
4381         case RTL_VER_04:
4382         case RTL_VER_05:
4383         case RTL_VER_06:
4384             fw_reg = 0xf800;
4385             bp_ba_addr = USB_BP_BA;
4386             bp_en_addr = USB_BP_EN;
4387             bp_start = USB_BP_0;
4388             max_bp = 8;
4389             break;
4390         case RTL_VER_08:
4391         case RTL_VER_09:
4392         case RTL_VER_11:
4393         case RTL_VER_12:
4394         case RTL_VER_13:
4395         case RTL_VER_14:
4396         case RTL_VER_15:
4397             fw_reg = 0xe600;
4398             bp_ba_addr = USB_BP_BA;
4399             bp_en_addr = USB_BP2_EN;
4400             bp_start = USB_BP_0;
4401             max_bp = 16;
4402             break;
4403         case RTL_VER_01:
4404         case RTL_VER_02:
4405         case RTL_VER_07:
4406         default:
4407             goto out;
4408         }
4409     } else {
4410         goto out;
4411     }
4412 
4413     fw_offset = __le16_to_cpu(mac->fw_offset);
4414     if (fw_offset < sizeof(*mac)) {
4415         dev_err(&tp->intf->dev, "fw_offset too small\n");
4416         goto out;
4417     }
4418 
4419     length = __le32_to_cpu(mac->blk_hdr.length);
4420     if (length < fw_offset) {
4421         dev_err(&tp->intf->dev, "invalid fw_offset\n");
4422         goto out;
4423     }
4424 
4425     length -= fw_offset;
4426     if (length < 4 || (length & 3)) {
4427         dev_err(&tp->intf->dev, "invalid block length\n");
4428         goto out;
4429     }
4430 
4431     if (__le16_to_cpu(mac->fw_reg) != fw_reg) {
4432         dev_err(&tp->intf->dev, "invalid register to load firmware\n");
4433         goto out;
4434     }
4435 
4436     if (__le16_to_cpu(mac->bp_ba_addr) != bp_ba_addr) {
4437         dev_err(&tp->intf->dev, "invalid base address register\n");
4438         goto out;
4439     }
4440 
4441     if (__le16_to_cpu(mac->bp_en_addr) != bp_en_addr) {
4442         dev_err(&tp->intf->dev, "invalid enabled mask register\n");
4443         goto out;
4444     }
4445 
4446     if (__le16_to_cpu(mac->bp_start) != bp_start) {
4447         dev_err(&tp->intf->dev,
4448             "invalid start register of break point\n");
4449         goto out;
4450     }
4451 
4452     if (__le16_to_cpu(mac->bp_num) > max_bp) {
4453         dev_err(&tp->intf->dev, "invalid break point number\n");
4454         goto out;
4455     }
4456 
4457     for (i = __le16_to_cpu(mac->bp_num); i < max_bp; i++) {
4458         if (mac->bp[i]) {
4459             dev_err(&tp->intf->dev, "unused bp%u is not zero\n", i);
4460             goto out;
4461         }
4462     }
4463 
4464     rc = true;
4465 out:
4466     return rc;
4467 }
4468 
4469 /* Verify the checksum for the firmware file. It is calculated from the version
4470  * field to the end of the file. Compare the result with the checksum field to
4471  * make sure the file is correct.
4472  */
4473 static long rtl8152_fw_verify_checksum(struct r8152 *tp,
4474                        struct fw_header *fw_hdr, size_t size)
4475 {
4476     unsigned char checksum[sizeof(fw_hdr->checksum)];
4477     struct crypto_shash *alg;
4478     struct shash_desc *sdesc;
4479     size_t len;
4480     long rc;
4481 
4482     alg = crypto_alloc_shash("sha256", 0, 0);
4483     if (IS_ERR(alg)) {
4484         rc = PTR_ERR(alg);
4485         goto out;
4486     }
4487 
4488     if (crypto_shash_digestsize(alg) != sizeof(fw_hdr->checksum)) {
4489         rc = -EFAULT;
4490         dev_err(&tp->intf->dev, "digestsize incorrect (%u)\n",
4491             crypto_shash_digestsize(alg));
4492         goto free_shash;
4493     }
4494 
4495     len = sizeof(*sdesc) + crypto_shash_descsize(alg);
4496     sdesc = kmalloc(len, GFP_KERNEL);
4497     if (!sdesc) {
4498         rc = -ENOMEM;
4499         goto free_shash;
4500     }
4501     sdesc->tfm = alg;
4502 
4503     len = size - sizeof(fw_hdr->checksum);
4504     rc = crypto_shash_digest(sdesc, fw_hdr->version, len, checksum);
4505     kfree(sdesc);
4506     if (rc)
4507         goto free_shash;
4508 
4509     if (memcmp(fw_hdr->checksum, checksum, sizeof(fw_hdr->checksum))) {
4510         dev_err(&tp->intf->dev, "checksum fail\n");
4511         rc = -EFAULT;
4512     }
4513 
4514 free_shash:
4515     crypto_free_shash(alg);
4516 out:
4517     return rc;
4518 }
4519 
4520 static long rtl8152_check_firmware(struct r8152 *tp, struct rtl_fw *rtl_fw)
4521 {
4522     const struct firmware *fw = rtl_fw->fw;
4523     struct fw_header *fw_hdr = (struct fw_header *)fw->data;
4524     unsigned long fw_flags = 0;
4525     long ret = -EFAULT;
4526     int i;
4527 
4528     if (fw->size < sizeof(*fw_hdr)) {
4529         dev_err(&tp->intf->dev, "file too small\n");
4530         goto fail;
4531     }
4532 
4533     ret = rtl8152_fw_verify_checksum(tp, fw_hdr, fw->size);
4534     if (ret)
4535         goto fail;
4536 
4537     ret = -EFAULT;
4538 
4539     for (i = sizeof(*fw_hdr); i < fw->size;) {
4540         struct fw_block *block = (struct fw_block *)&fw->data[i];
4541         u32 type;
4542 
4543         if ((i + sizeof(*block)) > fw->size)
4544             goto fail;
4545 
4546         type = __le32_to_cpu(block->type);
4547         switch (type) {
4548         case RTL_FW_END:
4549             if (__le32_to_cpu(block->length) != sizeof(*block))
4550                 goto fail;
4551             goto fw_end;
4552         case RTL_FW_PLA:
4553             if (test_bit(FW_FLAGS_PLA, &fw_flags)) {
4554                 dev_err(&tp->intf->dev,
4555                     "multiple PLA firmware encountered");
4556                 goto fail;
4557             }
4558 
4559             if (!rtl8152_is_fw_mac_ok(tp, (struct fw_mac *)block)) {
4560                 dev_err(&tp->intf->dev,
4561                     "check PLA firmware failed\n");
4562                 goto fail;
4563             }
4564             __set_bit(FW_FLAGS_PLA, &fw_flags);
4565             break;
4566         case RTL_FW_USB:
4567             if (test_bit(FW_FLAGS_USB, &fw_flags)) {
4568                 dev_err(&tp->intf->dev,
4569                     "multiple USB firmware encountered");
4570                 goto fail;
4571             }
4572 
4573             if (!rtl8152_is_fw_mac_ok(tp, (struct fw_mac *)block)) {
4574                 dev_err(&tp->intf->dev,
4575                     "check USB firmware failed\n");
4576                 goto fail;
4577             }
4578             __set_bit(FW_FLAGS_USB, &fw_flags);
4579             break;
4580         case RTL_FW_PHY_START:
4581             if (test_bit(FW_FLAGS_START, &fw_flags) ||
4582                 test_bit(FW_FLAGS_NC, &fw_flags) ||
4583                 test_bit(FW_FLAGS_NC1, &fw_flags) ||
4584                 test_bit(FW_FLAGS_NC2, &fw_flags) ||
4585                 test_bit(FW_FLAGS_UC2, &fw_flags) ||
4586                 test_bit(FW_FLAGS_UC, &fw_flags) ||
4587                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4588                 dev_err(&tp->intf->dev,
4589                     "check PHY_START fail\n");
4590                 goto fail;
4591             }
4592 
4593             if (__le32_to_cpu(block->length) != sizeof(struct fw_phy_patch_key)) {
4594                 dev_err(&tp->intf->dev,
4595                     "Invalid length for PHY_START\n");
4596                 goto fail;
4597             }
4598             __set_bit(FW_FLAGS_START, &fw_flags);
4599             break;
4600         case RTL_FW_PHY_STOP:
4601             if (test_bit(FW_FLAGS_STOP, &fw_flags) ||
4602                 !test_bit(FW_FLAGS_START, &fw_flags)) {
4603                 dev_err(&tp->intf->dev,
4604                     "Check PHY_STOP fail\n");
4605                 goto fail;
4606             }
4607 
4608             if (__le32_to_cpu(block->length) != sizeof(*block)) {
4609                 dev_err(&tp->intf->dev,
4610                     "Invalid length for PHY_STOP\n");
4611                 goto fail;
4612             }
4613             __set_bit(FW_FLAGS_STOP, &fw_flags);
4614             break;
4615         case RTL_FW_PHY_NC:
4616             if (!test_bit(FW_FLAGS_START, &fw_flags) ||
4617                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4618                 dev_err(&tp->intf->dev,
4619                     "check PHY_NC fail\n");
4620                 goto fail;
4621             }
4622 
4623             if (test_bit(FW_FLAGS_NC, &fw_flags)) {
4624                 dev_err(&tp->intf->dev,
4625                     "multiple PHY NC encountered\n");
4626                 goto fail;
4627             }
4628 
4629             if (!rtl8152_is_fw_phy_nc_ok(tp, (struct fw_phy_nc *)block)) {
4630                 dev_err(&tp->intf->dev,
4631                     "check PHY NC firmware failed\n");
4632                 goto fail;
4633             }
4634             __set_bit(FW_FLAGS_NC, &fw_flags);
4635             break;
4636         case RTL_FW_PHY_UNION_NC:
4637             if (!test_bit(FW_FLAGS_START, &fw_flags) ||
4638                 test_bit(FW_FLAGS_NC1, &fw_flags) ||
4639                 test_bit(FW_FLAGS_NC2, &fw_flags) ||
4640                 test_bit(FW_FLAGS_UC2, &fw_flags) ||
4641                 test_bit(FW_FLAGS_UC, &fw_flags) ||
4642                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4643                 dev_err(&tp->intf->dev, "PHY_UNION_NC out of order\n");
4644                 goto fail;
4645             }
4646 
4647             if (test_bit(FW_FLAGS_NC, &fw_flags)) {
4648                 dev_err(&tp->intf->dev, "multiple PHY_UNION_NC encountered\n");
4649                 goto fail;
4650             }
4651 
4652             if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
4653                 dev_err(&tp->intf->dev, "check PHY_UNION_NC failed\n");
4654                 goto fail;
4655             }
4656             __set_bit(FW_FLAGS_NC, &fw_flags);
4657             break;
4658         case RTL_FW_PHY_UNION_NC1:
4659             if (!test_bit(FW_FLAGS_START, &fw_flags) ||
4660                 test_bit(FW_FLAGS_NC2, &fw_flags) ||
4661                 test_bit(FW_FLAGS_UC2, &fw_flags) ||
4662                 test_bit(FW_FLAGS_UC, &fw_flags) ||
4663                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4664                 dev_err(&tp->intf->dev, "PHY_UNION_NC1 out of order\n");
4665                 goto fail;
4666             }
4667 
4668             if (test_bit(FW_FLAGS_NC1, &fw_flags)) {
4669                 dev_err(&tp->intf->dev, "multiple PHY NC1 encountered\n");
4670                 goto fail;
4671             }
4672 
4673             if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
4674                 dev_err(&tp->intf->dev, "check PHY_UNION_NC1 failed\n");
4675                 goto fail;
4676             }
4677             __set_bit(FW_FLAGS_NC1, &fw_flags);
4678             break;
4679         case RTL_FW_PHY_UNION_NC2:
4680             if (!test_bit(FW_FLAGS_START, &fw_flags) ||
4681                 test_bit(FW_FLAGS_UC2, &fw_flags) ||
4682                 test_bit(FW_FLAGS_UC, &fw_flags) ||
4683                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4684                 dev_err(&tp->intf->dev, "PHY_UNION_NC2 out of order\n");
4685                 goto fail;
4686             }
4687 
4688             if (test_bit(FW_FLAGS_NC2, &fw_flags)) {
4689                 dev_err(&tp->intf->dev, "multiple PHY NC2 encountered\n");
4690                 goto fail;
4691             }
4692 
4693             if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
4694                 dev_err(&tp->intf->dev, "check PHY_UNION_NC2 failed\n");
4695                 goto fail;
4696             }
4697             __set_bit(FW_FLAGS_NC2, &fw_flags);
4698             break;
4699         case RTL_FW_PHY_UNION_UC2:
4700             if (!test_bit(FW_FLAGS_START, &fw_flags) ||
4701                 test_bit(FW_FLAGS_UC, &fw_flags) ||
4702                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4703                 dev_err(&tp->intf->dev, "PHY_UNION_UC2 out of order\n");
4704                 goto fail;
4705             }
4706 
4707             if (test_bit(FW_FLAGS_UC2, &fw_flags)) {
4708                 dev_err(&tp->intf->dev, "multiple PHY UC2 encountered\n");
4709                 goto fail;
4710             }
4711 
4712             if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
4713                 dev_err(&tp->intf->dev, "check PHY_UNION_UC2 failed\n");
4714                 goto fail;
4715             }
4716             __set_bit(FW_FLAGS_UC2, &fw_flags);
4717             break;
4718         case RTL_FW_PHY_UNION_UC:
4719             if (!test_bit(FW_FLAGS_START, &fw_flags) ||
4720                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4721                 dev_err(&tp->intf->dev, "PHY_UNION_UC out of order\n");
4722                 goto fail;
4723             }
4724 
4725             if (test_bit(FW_FLAGS_UC, &fw_flags)) {
4726                 dev_err(&tp->intf->dev, "multiple PHY UC encountered\n");
4727                 goto fail;
4728             }
4729 
4730             if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
4731                 dev_err(&tp->intf->dev, "check PHY_UNION_UC failed\n");
4732                 goto fail;
4733             }
4734             __set_bit(FW_FLAGS_UC, &fw_flags);
4735             break;
4736         case RTL_FW_PHY_UNION_MISC:
4737             if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
4738                 dev_err(&tp->intf->dev, "check RTL_FW_PHY_UNION_MISC failed\n");
4739                 goto fail;
4740             }
4741             break;
4742         case RTL_FW_PHY_FIXUP:
4743             if (!rtl8152_is_fw_phy_fixup_ok(tp, (struct fw_phy_fixup *)block)) {
4744                 dev_err(&tp->intf->dev, "check PHY fixup failed\n");
4745                 goto fail;
4746             }
4747             break;
4748         case RTL_FW_PHY_SPEED_UP:
4749             if (test_bit(FW_FLAGS_SPEED_UP, &fw_flags)) {
4750                 dev_err(&tp->intf->dev, "multiple PHY firmware encountered");
4751                 goto fail;
4752             }
4753 
4754             if (!rtl8152_is_fw_phy_speed_up_ok(tp, (struct fw_phy_speed_up *)block)) {
4755                 dev_err(&tp->intf->dev, "check PHY speed up failed\n");
4756                 goto fail;
4757             }
4758             __set_bit(FW_FLAGS_SPEED_UP, &fw_flags);
4759             break;
4760         case RTL_FW_PHY_VER:
4761             if (test_bit(FW_FLAGS_START, &fw_flags) ||
4762                 test_bit(FW_FLAGS_NC, &fw_flags) ||
4763                 test_bit(FW_FLAGS_NC1, &fw_flags) ||
4764                 test_bit(FW_FLAGS_NC2, &fw_flags) ||
4765                 test_bit(FW_FLAGS_UC2, &fw_flags) ||
4766                 test_bit(FW_FLAGS_UC, &fw_flags) ||
4767                 test_bit(FW_FLAGS_STOP, &fw_flags)) {
4768                 dev_err(&tp->intf->dev, "Invalid order to set PHY version\n");
4769                 goto fail;
4770             }
4771 
4772             if (test_bit(FW_FLAGS_VER, &fw_flags)) {
4773                 dev_err(&tp->intf->dev, "multiple PHY version encountered");
4774                 goto fail;
4775             }
4776 
4777             if (!rtl8152_is_fw_phy_ver_ok(tp, (struct fw_phy_ver *)block)) {
4778                 dev_err(&tp->intf->dev, "check PHY version failed\n");
4779                 goto fail;
4780             }
4781             __set_bit(FW_FLAGS_VER, &fw_flags);
4782             break;
4783         default:
4784             dev_warn(&tp->intf->dev, "Unknown type %u is found\n",
4785                  type);
4786             break;
4787         }
4788 
4789         /* next block */
4790         i += ALIGN(__le32_to_cpu(block->length), 8);
4791     }
4792 
4793 fw_end:
4794     if (test_bit(FW_FLAGS_START, &fw_flags) && !test_bit(FW_FLAGS_STOP, &fw_flags)) {
4795         dev_err(&tp->intf->dev, "without PHY_STOP\n");
4796         goto fail;
4797     }
4798 
4799     return 0;
4800 fail:
4801     return ret;
4802 }
4803 
4804 static void rtl_ram_code_speed_up(struct r8152 *tp, struct fw_phy_speed_up *phy, bool wait)
4805 {
4806     u32 len;
4807     u8 *data;
4808 
4809     rtl_reset_ocp_base(tp);
4810 
4811     if (sram_read(tp, SRAM_GPHY_FW_VER) >= __le16_to_cpu(phy->version)) {
4812         dev_dbg(&tp->intf->dev, "PHY firmware has been the newest\n");
4813         return;
4814     }
4815 
4816     len = __le32_to_cpu(phy->blk_hdr.length);
4817     len -= __le16_to_cpu(phy->fw_offset);
4818     data = (u8 *)phy + __le16_to_cpu(phy->fw_offset);
4819 
4820     if (rtl_phy_patch_request(tp, true, wait))
4821         return;
4822 
4823     while (len) {
4824         u32 ocp_data, size;
4825         int i;
4826 
4827         if (len < 2048)
4828             size = len;
4829         else
4830             size = 2048;
4831 
4832         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL);
4833         ocp_data |= GPHY_PATCH_DONE | BACKUP_RESTRORE;
4834         ocp_write_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL, ocp_data);
4835 
4836         generic_ocp_write(tp, __le16_to_cpu(phy->fw_reg), 0xff, size, data, MCU_TYPE_USB);
4837 
4838         data += size;
4839         len -= size;
4840 
4841         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL);
4842         ocp_data |= POL_GPHY_PATCH;
4843         ocp_write_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL, ocp_data);
4844 
4845         for (i = 0; i < 1000; i++) {
4846             if (!(ocp_read_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL) & POL_GPHY_PATCH))
4847                 break;
4848         }
4849 
4850         if (i == 1000) {
4851             dev_err(&tp->intf->dev, "ram code speedup mode timeout\n");
4852             break;
4853         }
4854     }
4855 
4856     rtl_reset_ocp_base(tp);
4857 
4858     rtl_phy_patch_request(tp, false, wait);
4859 
4860     if (sram_read(tp, SRAM_GPHY_FW_VER) == __le16_to_cpu(phy->version))
4861         dev_dbg(&tp->intf->dev, "successfully applied %s\n", phy->info);
4862     else
4863         dev_err(&tp->intf->dev, "ram code speedup mode fail\n");
4864 }
4865 
4866 static int rtl8152_fw_phy_ver(struct r8152 *tp, struct fw_phy_ver *phy_ver)
4867 {
4868     u16 ver_addr, ver;
4869 
4870     ver_addr = __le16_to_cpu(phy_ver->ver.addr);
4871     ver = __le16_to_cpu(phy_ver->ver.data);
4872 
4873     rtl_reset_ocp_base(tp);
4874 
4875     if (sram_read(tp, ver_addr) >= ver) {
4876         dev_dbg(&tp->intf->dev, "PHY firmware has been the newest\n");
4877         return 0;
4878     }
4879 
4880     sram_write(tp, ver_addr, ver);
4881 
4882     dev_dbg(&tp->intf->dev, "PHY firmware version %x\n", ver);
4883 
4884     return ver;
4885 }
4886 
4887 static void rtl8152_fw_phy_fixup(struct r8152 *tp, struct fw_phy_fixup *fix)
4888 {
4889     u16 addr, data;
4890 
4891     rtl_reset_ocp_base(tp);
4892 
4893     addr = __le16_to_cpu(fix->setting.addr);
4894     data = ocp_reg_read(tp, addr);
4895 
4896     switch (__le16_to_cpu(fix->bit_cmd)) {
4897     case FW_FIXUP_AND:
4898         data &= __le16_to_cpu(fix->setting.data);
4899         break;
4900     case FW_FIXUP_OR:
4901         data |= __le16_to_cpu(fix->setting.data);
4902         break;
4903     case FW_FIXUP_NOT:
4904         data &= ~__le16_to_cpu(fix->setting.data);
4905         break;
4906     case FW_FIXUP_XOR:
4907         data ^= __le16_to_cpu(fix->setting.data);
4908         break;
4909     default:
4910         return;
4911     }
4912 
4913     ocp_reg_write(tp, addr, data);
4914 
4915     dev_dbg(&tp->intf->dev, "applied ocp %x %x\n", addr, data);
4916 }
4917 
4918 static void rtl8152_fw_phy_union_apply(struct r8152 *tp, struct fw_phy_union *phy)
4919 {
4920     __le16 *data;
4921     u32 length;
4922     int i, num;
4923 
4924     rtl_reset_ocp_base(tp);
4925 
4926     num = phy->pre_num;
4927     for (i = 0; i < num; i++)
4928         sram_write(tp, __le16_to_cpu(phy->pre_set[i].addr),
4929                __le16_to_cpu(phy->pre_set[i].data));
4930 
4931     length = __le32_to_cpu(phy->blk_hdr.length);
4932     length -= __le16_to_cpu(phy->fw_offset);
4933     num = length / 2;
4934     data = (__le16 *)((u8 *)phy + __le16_to_cpu(phy->fw_offset));
4935 
4936     ocp_reg_write(tp, OCP_SRAM_ADDR, __le16_to_cpu(phy->fw_reg));
4937     for (i = 0; i < num; i++)
4938         ocp_reg_write(tp, OCP_SRAM_DATA, __le16_to_cpu(data[i]));
4939 
4940     num = phy->bp_num;
4941     for (i = 0; i < num; i++)
4942         sram_write(tp, __le16_to_cpu(phy->bp[i].addr), __le16_to_cpu(phy->bp[i].data));
4943 
4944     if (phy->bp_num && phy->bp_en.addr)
4945         sram_write(tp, __le16_to_cpu(phy->bp_en.addr), __le16_to_cpu(phy->bp_en.data));
4946 
4947     dev_dbg(&tp->intf->dev, "successfully applied %s\n", phy->info);
4948 }
4949 
4950 static void rtl8152_fw_phy_nc_apply(struct r8152 *tp, struct fw_phy_nc *phy)
4951 {
4952     u16 mode_reg, bp_index;
4953     u32 length, i, num;
4954     __le16 *data;
4955 
4956     rtl_reset_ocp_base(tp);
4957 
4958     mode_reg = __le16_to_cpu(phy->mode_reg);
4959     sram_write(tp, mode_reg, __le16_to_cpu(phy->mode_pre));
4960     sram_write(tp, __le16_to_cpu(phy->ba_reg),
4961            __le16_to_cpu(phy->ba_data));
4962 
4963     length = __le32_to_cpu(phy->blk_hdr.length);
4964     length -= __le16_to_cpu(phy->fw_offset);
4965     num = length / 2;
4966     data = (__le16 *)((u8 *)phy + __le16_to_cpu(phy->fw_offset));
4967 
4968     ocp_reg_write(tp, OCP_SRAM_ADDR, __le16_to_cpu(phy->fw_reg));
4969     for (i = 0; i < num; i++)
4970         ocp_reg_write(tp, OCP_SRAM_DATA, __le16_to_cpu(data[i]));
4971 
4972     sram_write(tp, __le16_to_cpu(phy->patch_en_addr),
4973            __le16_to_cpu(phy->patch_en_value));
4974 
4975     bp_index = __le16_to_cpu(phy->bp_start);
4976     num = __le16_to_cpu(phy->bp_num);
4977     for (i = 0; i < num; i++) {
4978         sram_write(tp, bp_index, __le16_to_cpu(phy->bp[i]));
4979         bp_index += 2;
4980     }
4981 
4982     sram_write(tp, mode_reg, __le16_to_cpu(phy->mode_post));
4983 
4984     dev_dbg(&tp->intf->dev, "successfully applied %s\n", phy->info);
4985 }
4986 
4987 static void rtl8152_fw_mac_apply(struct r8152 *tp, struct fw_mac *mac)
4988 {
4989     u16 bp_en_addr, bp_index, type, bp_num, fw_ver_reg;
4990     u32 length;
4991     u8 *data;
4992     int i;
4993 
4994     switch (__le32_to_cpu(mac->blk_hdr.type)) {
4995     case RTL_FW_PLA:
4996         type = MCU_TYPE_PLA;
4997         break;
4998     case RTL_FW_USB:
4999         type = MCU_TYPE_USB;
5000         break;
5001     default:
5002         return;
5003     }
5004 
5005     fw_ver_reg = __le16_to_cpu(mac->fw_ver_reg);
5006     if (fw_ver_reg && ocp_read_byte(tp, MCU_TYPE_USB, fw_ver_reg) >= mac->fw_ver_data) {
5007         dev_dbg(&tp->intf->dev, "%s firmware has been the newest\n", type ? "PLA" : "USB");
5008         return;
5009     }
5010 
5011     rtl_clear_bp(tp, type);
5012 
5013     /* Enable backup/restore of MACDBG. This is required after clearing PLA
5014      * break points and before applying the PLA firmware.
5015      */
5016     if (tp->version == RTL_VER_04 && type == MCU_TYPE_PLA &&
5017         !(ocp_read_word(tp, MCU_TYPE_PLA, PLA_MACDBG_POST) & DEBUG_OE)) {
5018         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MACDBG_PRE, DEBUG_LTSSM);
5019         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MACDBG_POST, DEBUG_LTSSM);
5020     }
5021 
5022     length = __le32_to_cpu(mac->blk_hdr.length);
5023     length -= __le16_to_cpu(mac->fw_offset);
5024 
5025     data = (u8 *)mac;
5026     data += __le16_to_cpu(mac->fw_offset);
5027 
5028     generic_ocp_write(tp, __le16_to_cpu(mac->fw_reg), 0xff, length, data,
5029               type);
5030 
5031     ocp_write_word(tp, type, __le16_to_cpu(mac->bp_ba_addr),
5032                __le16_to_cpu(mac->bp_ba_value));
5033 
5034     bp_index = __le16_to_cpu(mac->bp_start);
5035     bp_num = __le16_to_cpu(mac->bp_num);
5036     for (i = 0; i < bp_num; i++) {
5037         ocp_write_word(tp, type, bp_index, __le16_to_cpu(mac->bp[i]));
5038         bp_index += 2;
5039     }
5040 
5041     bp_en_addr = __le16_to_cpu(mac->bp_en_addr);
5042     if (bp_en_addr)
5043         ocp_write_word(tp, type, bp_en_addr,
5044                    __le16_to_cpu(mac->bp_en_value));
5045 
5046     if (fw_ver_reg)
5047         ocp_write_byte(tp, MCU_TYPE_USB, fw_ver_reg,
5048                    mac->fw_ver_data);
5049 
5050     dev_dbg(&tp->intf->dev, "successfully applied %s\n", mac->info);
5051 }
5052 
5053 static void rtl8152_apply_firmware(struct r8152 *tp, bool power_cut)
5054 {
5055     struct rtl_fw *rtl_fw = &tp->rtl_fw;
5056     const struct firmware *fw;
5057     struct fw_header *fw_hdr;
5058     struct fw_phy_patch_key *key;
5059     u16 key_addr = 0;
5060     int i, patch_phy = 1;
5061 
5062     if (IS_ERR_OR_NULL(rtl_fw->fw))
5063         return;
5064 
5065     fw = rtl_fw->fw;
5066     fw_hdr = (struct fw_header *)fw->data;
5067 
5068     if (rtl_fw->pre_fw)
5069         rtl_fw->pre_fw(tp);
5070 
5071     for (i = offsetof(struct fw_header, blocks); i < fw->size;) {
5072         struct fw_block *block = (struct fw_block *)&fw->data[i];
5073 
5074         switch (__le32_to_cpu(block->type)) {
5075         case RTL_FW_END:
5076             goto post_fw;
5077         case RTL_FW_PLA:
5078         case RTL_FW_USB:
5079             rtl8152_fw_mac_apply(tp, (struct fw_mac *)block);
5080             break;
5081         case RTL_FW_PHY_START:
5082             if (!patch_phy)
5083                 break;
5084             key = (struct fw_phy_patch_key *)block;
5085             key_addr = __le16_to_cpu(key->key_reg);
5086             rtl_pre_ram_code(tp, key_addr, __le16_to_cpu(key->key_data), !power_cut);
5087             break;
5088         case RTL_FW_PHY_STOP:
5089             if (!patch_phy)
5090                 break;
5091             WARN_ON(!key_addr);
5092             rtl_post_ram_code(tp, key_addr, !power_cut);
5093             break;
5094         case RTL_FW_PHY_NC:
5095             rtl8152_fw_phy_nc_apply(tp, (struct fw_phy_nc *)block);
5096             break;
5097         case RTL_FW_PHY_VER:
5098             patch_phy = rtl8152_fw_phy_ver(tp, (struct fw_phy_ver *)block);
5099             break;
5100         case RTL_FW_PHY_UNION_NC:
5101         case RTL_FW_PHY_UNION_NC1:
5102         case RTL_FW_PHY_UNION_NC2:
5103         case RTL_FW_PHY_UNION_UC2:
5104         case RTL_FW_PHY_UNION_UC:
5105         case RTL_FW_PHY_UNION_MISC:
5106             if (patch_phy)
5107                 rtl8152_fw_phy_union_apply(tp, (struct fw_phy_union *)block);
5108             break;
5109         case RTL_FW_PHY_FIXUP:
5110             if (patch_phy)
5111                 rtl8152_fw_phy_fixup(tp, (struct fw_phy_fixup *)block);
5112             break;
5113         case RTL_FW_PHY_SPEED_UP:
5114             rtl_ram_code_speed_up(tp, (struct fw_phy_speed_up *)block, !power_cut);
5115             break;
5116         default:
5117             break;
5118         }
5119 
5120         i += ALIGN(__le32_to_cpu(block->length), 8);
5121     }
5122 
5123 post_fw:
5124     if (rtl_fw->post_fw)
5125         rtl_fw->post_fw(tp);
5126 
5127     rtl_reset_ocp_base(tp);
5128     strscpy(rtl_fw->version, fw_hdr->version, RTL_VER_SIZE);
5129     dev_info(&tp->intf->dev, "load %s successfully\n", rtl_fw->version);
5130 }
5131 
5132 static void rtl8152_release_firmware(struct r8152 *tp)
5133 {
5134     struct rtl_fw *rtl_fw = &tp->rtl_fw;
5135 
5136     if (!IS_ERR_OR_NULL(rtl_fw->fw)) {
5137         release_firmware(rtl_fw->fw);
5138         rtl_fw->fw = NULL;
5139     }
5140 }
5141 
5142 static int rtl8152_request_firmware(struct r8152 *tp)
5143 {
5144     struct rtl_fw *rtl_fw = &tp->rtl_fw;
5145     long rc;
5146 
5147     if (rtl_fw->fw || !rtl_fw->fw_name) {
5148         dev_info(&tp->intf->dev, "skip request firmware\n");
5149         rc = 0;
5150         goto result;
5151     }
5152 
5153     rc = request_firmware(&rtl_fw->fw, rtl_fw->fw_name, &tp->intf->dev);
5154     if (rc < 0)
5155         goto result;
5156 
5157     rc = rtl8152_check_firmware(tp, rtl_fw);
5158     if (rc < 0)
5159         release_firmware(rtl_fw->fw);
5160 
5161 result:
5162     if (rc) {
5163         rtl_fw->fw = ERR_PTR(rc);
5164 
5165         dev_warn(&tp->intf->dev,
5166              "unable to load firmware patch %s (%ld)\n",
5167              rtl_fw->fw_name, rc);
5168     }
5169 
5170     return rc;
5171 }
5172 
5173 static void r8152_aldps_en(struct r8152 *tp, bool enable)
5174 {
5175     if (enable) {
5176         ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
5177                             LINKENA | DIS_SDSAVE);
5178     } else {
5179         ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA |
5180                             DIS_SDSAVE);
5181         msleep(20);
5182     }
5183 }
5184 
5185 static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg)
5186 {
5187     ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev);
5188     ocp_reg_write(tp, OCP_EEE_DATA, reg);
5189     ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev);
5190 }
5191 
5192 static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg)
5193 {
5194     u16 data;
5195 
5196     r8152_mmd_indirect(tp, dev, reg);
5197     data = ocp_reg_read(tp, OCP_EEE_DATA);
5198     ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
5199 
5200     return data;
5201 }
5202 
5203 static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data)
5204 {
5205     r8152_mmd_indirect(tp, dev, reg);
5206     ocp_reg_write(tp, OCP_EEE_DATA, data);
5207     ocp_reg_write(tp, OCP_EEE_AR, 0x0000);
5208 }
5209 
5210 static void r8152_eee_en(struct r8152 *tp, bool enable)
5211 {
5212     u16 config1, config2, config3;
5213     u32 ocp_data;
5214 
5215     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
5216     config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask;
5217     config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2);
5218     config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask;
5219 
5220     if (enable) {
5221         ocp_data |= EEE_RX_EN | EEE_TX_EN;
5222         config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN;
5223         config1 |= sd_rise_time(1);
5224         config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN;
5225         config3 |= fast_snr(42);
5226     } else {
5227         ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
5228         config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN |
5229                  RX_QUIET_EN);
5230         config1 |= sd_rise_time(7);
5231         config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN);
5232         config3 |= fast_snr(511);
5233     }
5234 
5235     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
5236     ocp_reg_write(tp, OCP_EEE_CONFIG1, config1);
5237     ocp_reg_write(tp, OCP_EEE_CONFIG2, config2);
5238     ocp_reg_write(tp, OCP_EEE_CONFIG3, config3);
5239 }
5240 
5241 static void r8153_eee_en(struct r8152 *tp, bool enable)
5242 {
5243     u32 ocp_data;
5244     u16 config;
5245 
5246     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
5247     config = ocp_reg_read(tp, OCP_EEE_CFG);
5248 
5249     if (enable) {
5250         ocp_data |= EEE_RX_EN | EEE_TX_EN;
5251         config |= EEE10_EN;
5252     } else {
5253         ocp_data &= ~(EEE_RX_EN | EEE_TX_EN);
5254         config &= ~EEE10_EN;
5255     }
5256 
5257     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data);
5258     ocp_reg_write(tp, OCP_EEE_CFG, config);
5259 
5260     tp->ups_info.eee = enable;
5261 }
5262 
5263 static void r8156_eee_en(struct r8152 *tp, bool enable)
5264 {
5265     u16 config;
5266 
5267     r8153_eee_en(tp, enable);
5268 
5269     config = ocp_reg_read(tp, OCP_EEE_ADV2);
5270 
5271     if (enable)
5272         config |= MDIO_EEE_2_5GT;
5273     else
5274         config &= ~MDIO_EEE_2_5GT;
5275 
5276     ocp_reg_write(tp, OCP_EEE_ADV2, config);
5277 }
5278 
5279 static void rtl_eee_enable(struct r8152 *tp, bool enable)
5280 {
5281     switch (tp->version) {
5282     case RTL_VER_01:
5283     case RTL_VER_02:
5284     case RTL_VER_07:
5285         if (enable) {
5286             r8152_eee_en(tp, true);
5287             r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV,
5288                     tp->eee_adv);
5289         } else {
5290             r8152_eee_en(tp, false);
5291             r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0);
5292         }
5293         break;
5294     case RTL_VER_03:
5295     case RTL_VER_04:
5296     case RTL_VER_05:
5297     case RTL_VER_06:
5298     case RTL_VER_08:
5299     case RTL_VER_09:
5300     case RTL_VER_14:
5301         if (enable) {
5302             r8153_eee_en(tp, true);
5303             ocp_reg_write(tp, OCP_EEE_ADV, tp->eee_adv);
5304         } else {
5305             r8153_eee_en(tp, false);
5306             ocp_reg_write(tp, OCP_EEE_ADV, 0);
5307         }
5308         break;
5309     case RTL_VER_10:
5310     case RTL_VER_11:
5311     case RTL_VER_12:
5312     case RTL_VER_13:
5313     case RTL_VER_15:
5314         if (enable) {
5315             r8156_eee_en(tp, true);
5316             ocp_reg_write(tp, OCP_EEE_ADV, tp->eee_adv);
5317         } else {
5318             r8156_eee_en(tp, false);
5319             ocp_reg_write(tp, OCP_EEE_ADV, 0);
5320         }
5321         break;
5322     default:
5323         break;
5324     }
5325 }
5326 
5327 static void r8152b_enable_fc(struct r8152 *tp)
5328 {
5329     u16 anar;
5330 
5331     anar = r8152_mdio_read(tp, MII_ADVERTISE);
5332     anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
5333     r8152_mdio_write(tp, MII_ADVERTISE, anar);
5334 
5335     tp->ups_info.flow_control = true;
5336 }
5337 
5338 static void rtl8152_disable(struct r8152 *tp)
5339 {
5340     r8152_aldps_en(tp, false);
5341     rtl_disable(tp);
5342     r8152_aldps_en(tp, true);
5343 }
5344 
5345 static void r8152b_hw_phy_cfg(struct r8152 *tp)
5346 {
5347     rtl8152_apply_firmware(tp, false);
5348     rtl_eee_enable(tp, tp->eee_en);
5349     r8152_aldps_en(tp, true);
5350     r8152b_enable_fc(tp);
5351 
5352     set_bit(PHY_RESET, &tp->flags);
5353 }
5354 
5355 static void wait_oob_link_list_ready(struct r8152 *tp)
5356 {
5357     u32 ocp_data;
5358     int i;
5359 
5360     for (i = 0; i < 1000; i++) {
5361         ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5362         if (ocp_data & LINK_LIST_READY)
5363             break;
5364         usleep_range(1000, 2000);
5365     }
5366 }
5367 
5368 static void r8156b_wait_loading_flash(struct r8152 *tp)
5369 {
5370     if ((ocp_read_word(tp, MCU_TYPE_PLA, PLA_GPHY_CTRL) & GPHY_FLASH) &&
5371         !(ocp_read_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL) & BYPASS_FLASH)) {
5372         int i;
5373 
5374         for (i = 0; i < 100; i++) {
5375             if (ocp_read_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL) & GPHY_PATCH_DONE)
5376                 break;
5377             usleep_range(1000, 2000);
5378         }
5379     }
5380 }
5381 
5382 static void r8152b_exit_oob(struct r8152 *tp)
5383 {
5384     u32 ocp_data;
5385 
5386     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
5387     ocp_data &= ~RCR_ACPT_ALL;
5388     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
5389 
5390     rxdy_gated_en(tp, true);
5391     r8153_teredo_off(tp);
5392     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
5393     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
5394 
5395     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5396     ocp_data &= ~NOW_IS_OOB;
5397     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
5398 
5399     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5400     ocp_data &= ~MCU_BORW_EN;
5401     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5402 
5403     wait_oob_link_list_ready(tp);
5404 
5405     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5406     ocp_data |= RE_INIT_LL;
5407     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5408 
5409     wait_oob_link_list_ready(tp);
5410 
5411     rtl8152_nic_reset(tp);
5412 
5413     /* rx share fifo credit full threshold */
5414     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
5415 
5416     if (tp->udev->speed == USB_SPEED_FULL ||
5417         tp->udev->speed == USB_SPEED_LOW) {
5418         /* rx share fifo credit near full threshold */
5419         ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
5420                 RXFIFO_THR2_FULL);
5421         ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
5422                 RXFIFO_THR3_FULL);
5423     } else {
5424         /* rx share fifo credit near full threshold */
5425         ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
5426                 RXFIFO_THR2_HIGH);
5427         ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
5428                 RXFIFO_THR3_HIGH);
5429     }
5430 
5431     /* TX share fifo free credit full threshold */
5432     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
5433 
5434     ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
5435     ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
5436     ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
5437             TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
5438 
5439     rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
5440 
5441     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
5442 
5443     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
5444     ocp_data |= TCR0_AUTO_FIFO;
5445     ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
5446 }
5447 
5448 static void r8152b_enter_oob(struct r8152 *tp)
5449 {
5450     u32 ocp_data;
5451 
5452     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5453     ocp_data &= ~NOW_IS_OOB;
5454     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
5455 
5456     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
5457     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
5458     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
5459 
5460     rtl_disable(tp);
5461 
5462     wait_oob_link_list_ready(tp);
5463 
5464     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5465     ocp_data |= RE_INIT_LL;
5466     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5467 
5468     wait_oob_link_list_ready(tp);
5469 
5470     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
5471 
5472     rtl_rx_vlan_en(tp, true);
5473 
5474     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR);
5475     ocp_data |= ALDPS_PROXY_MODE;
5476     ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data);
5477 
5478     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5479     ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
5480     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
5481 
5482     rxdy_gated_en(tp, false);
5483 
5484     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
5485     ocp_data |= RCR_APM | RCR_AM | RCR_AB;
5486     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
5487 }
5488 
5489 static int r8153_pre_firmware_1(struct r8152 *tp)
5490 {
5491     int i;
5492 
5493     /* Wait till the WTD timer is ready. It would take at most 104 ms. */
5494     for (i = 0; i < 104; i++) {
5495         u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_WDT1_CTRL);
5496 
5497         if (!(ocp_data & WTD1_EN))
5498             break;
5499         usleep_range(1000, 2000);
5500     }
5501 
5502     return 0;
5503 }
5504 
5505 static int r8153_post_firmware_1(struct r8152 *tp)
5506 {
5507     /* set USB_BP_4 to support USB_SPEED_SUPER only */
5508     if (ocp_read_byte(tp, MCU_TYPE_USB, USB_CSTMR) & FORCE_SUPER)
5509         ocp_write_word(tp, MCU_TYPE_USB, USB_BP_4, BP4_SUPER_ONLY);
5510 
5511     /* reset UPHY timer to 36 ms */
5512     ocp_write_word(tp, MCU_TYPE_PLA, PLA_UPHY_TIMER, 36000 / 16);
5513 
5514     return 0;
5515 }
5516 
5517 static int r8153_pre_firmware_2(struct r8152 *tp)
5518 {
5519     u32 ocp_data;
5520 
5521     r8153_pre_firmware_1(tp);
5522 
5523     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0);
5524     ocp_data &= ~FW_FIX_SUSPEND;
5525     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0, ocp_data);
5526 
5527     return 0;
5528 }
5529 
5530 static int r8153_post_firmware_2(struct r8152 *tp)
5531 {
5532     u32 ocp_data;
5533 
5534     /* enable bp0 if support USB_SPEED_SUPER only */
5535     if (ocp_read_byte(tp, MCU_TYPE_USB, USB_CSTMR) & FORCE_SUPER) {
5536         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BP_EN);
5537         ocp_data |= BIT(0);
5538         ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_EN, ocp_data);
5539     }
5540 
5541     /* reset UPHY timer to 36 ms */
5542     ocp_write_word(tp, MCU_TYPE_PLA, PLA_UPHY_TIMER, 36000 / 16);
5543 
5544     /* enable U3P3 check, set the counter to 4 */
5545     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, U3P3_CHECK_EN | 4);
5546 
5547     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0);
5548     ocp_data |= FW_FIX_SUSPEND;
5549     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN0, ocp_data);
5550 
5551     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
5552     ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
5553     ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
5554 
5555     return 0;
5556 }
5557 
5558 static int r8153_post_firmware_3(struct r8152 *tp)
5559 {
5560     u32 ocp_data;
5561 
5562     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
5563     ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
5564     ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
5565 
5566     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1);
5567     ocp_data |= FW_IP_RESET_EN;
5568     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1, ocp_data);
5569 
5570     return 0;
5571 }
5572 
5573 static int r8153b_pre_firmware_1(struct r8152 *tp)
5574 {
5575     /* enable fc timer and set timer to 1 second. */
5576     ocp_write_word(tp, MCU_TYPE_USB, USB_FC_TIMER,
5577                CTRL_TIMER_EN | (1000 / 8));
5578 
5579     return 0;
5580 }
5581 
5582 static int r8153b_post_firmware_1(struct r8152 *tp)
5583 {
5584     u32 ocp_data;
5585 
5586     /* enable bp0 for RTL8153-BND */
5587     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_1);
5588     if (ocp_data & BND_MASK) {
5589         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BP_EN);
5590         ocp_data |= BIT(0);
5591         ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_EN, ocp_data);
5592     }
5593 
5594     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_CTRL);
5595     ocp_data |= FLOW_CTRL_PATCH_OPT;
5596     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_CTRL, ocp_data);
5597 
5598     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
5599     ocp_data |= FC_PATCH_TASK;
5600     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
5601 
5602     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1);
5603     ocp_data |= FW_IP_RESET_EN;
5604     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1, ocp_data);
5605 
5606     return 0;
5607 }
5608 
5609 static int r8153c_post_firmware_1(struct r8152 *tp)
5610 {
5611     u32 ocp_data;
5612 
5613     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_CTRL);
5614     ocp_data |= FLOW_CTRL_PATCH_2;
5615     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_CTRL, ocp_data);
5616 
5617     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
5618     ocp_data |= FC_PATCH_TASK;
5619     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
5620 
5621     return 0;
5622 }
5623 
5624 static int r8156a_post_firmware_1(struct r8152 *tp)
5625 {
5626     u32 ocp_data;
5627 
5628     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1);
5629     ocp_data |= FW_IP_RESET_EN;
5630     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1, ocp_data);
5631 
5632     /* Modify U3PHY parameter for compatibility issue */
5633     ocp_write_dword(tp, MCU_TYPE_USB, USB_UPHY3_MDCMDIO, 0x4026840e);
5634     ocp_write_dword(tp, MCU_TYPE_USB, USB_UPHY3_MDCMDIO, 0x4001acc9);
5635 
5636     return 0;
5637 }
5638 
5639 static void r8153_aldps_en(struct r8152 *tp, bool enable)
5640 {
5641     u16 data;
5642 
5643     data = ocp_reg_read(tp, OCP_POWER_CFG);
5644     if (enable) {
5645         data |= EN_ALDPS;
5646         ocp_reg_write(tp, OCP_POWER_CFG, data);
5647     } else {
5648         int i;
5649 
5650         data &= ~EN_ALDPS;
5651         ocp_reg_write(tp, OCP_POWER_CFG, data);
5652         for (i = 0; i < 20; i++) {
5653             usleep_range(1000, 2000);
5654             if (ocp_read_word(tp, MCU_TYPE_PLA, 0xe000) & 0x0100)
5655                 break;
5656         }
5657     }
5658 
5659     tp->ups_info.aldps = enable;
5660 }
5661 
5662 static void r8153_hw_phy_cfg(struct r8152 *tp)
5663 {
5664     u32 ocp_data;
5665     u16 data;
5666 
5667     /* disable ALDPS before updating the PHY parameters */
5668     r8153_aldps_en(tp, false);
5669 
5670     /* disable EEE before updating the PHY parameters */
5671     rtl_eee_enable(tp, false);
5672 
5673     rtl8152_apply_firmware(tp, false);
5674 
5675     if (tp->version == RTL_VER_03) {
5676         data = ocp_reg_read(tp, OCP_EEE_CFG);
5677         data &= ~CTAP_SHORT_EN;
5678         ocp_reg_write(tp, OCP_EEE_CFG, data);
5679     }
5680 
5681     data = ocp_reg_read(tp, OCP_POWER_CFG);
5682     data |= EEE_CLKDIV_EN;
5683     ocp_reg_write(tp, OCP_POWER_CFG, data);
5684 
5685     data = ocp_reg_read(tp, OCP_DOWN_SPEED);
5686     data |= EN_10M_BGOFF;
5687     ocp_reg_write(tp, OCP_DOWN_SPEED, data);
5688     data = ocp_reg_read(tp, OCP_POWER_CFG);
5689     data |= EN_10M_PLLOFF;
5690     ocp_reg_write(tp, OCP_POWER_CFG, data);
5691     sram_write(tp, SRAM_IMPEDANCE, 0x0b13);
5692 
5693     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
5694     ocp_data |= PFM_PWM_SWITCH;
5695     ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
5696 
5697     /* Enable LPF corner auto tune */
5698     sram_write(tp, SRAM_LPF_CFG, 0xf70f);
5699 
5700     /* Adjust 10M Amplitude */
5701     sram_write(tp, SRAM_10M_AMP1, 0x00af);
5702     sram_write(tp, SRAM_10M_AMP2, 0x0208);
5703 
5704     if (tp->eee_en)
5705         rtl_eee_enable(tp, true);
5706 
5707     r8153_aldps_en(tp, true);
5708     r8152b_enable_fc(tp);
5709 
5710     switch (tp->version) {
5711     case RTL_VER_03:
5712     case RTL_VER_04:
5713         break;
5714     case RTL_VER_05:
5715     case RTL_VER_06:
5716     default:
5717         r8153_u2p3en(tp, true);
5718         break;
5719     }
5720 
5721     set_bit(PHY_RESET, &tp->flags);
5722 }
5723 
5724 static u32 r8152_efuse_read(struct r8152 *tp, u8 addr)
5725 {
5726     u32 ocp_data;
5727 
5728     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EFUSE_CMD, EFUSE_READ_CMD | addr);
5729     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EFUSE_CMD);
5730     ocp_data = (ocp_data & EFUSE_DATA_BIT16) << 9;  /* data of bit16 */
5731     ocp_data |= ocp_read_word(tp, MCU_TYPE_PLA, PLA_EFUSE_DATA);
5732 
5733     return ocp_data;
5734 }
5735 
5736 static void r8153b_hw_phy_cfg(struct r8152 *tp)
5737 {
5738     u32 ocp_data;
5739     u16 data;
5740 
5741     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
5742     if (ocp_data & PCUT_STATUS) {
5743         ocp_data &= ~PCUT_STATUS;
5744         ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
5745     }
5746 
5747     /* disable ALDPS before updating the PHY parameters */
5748     r8153_aldps_en(tp, false);
5749 
5750     /* disable EEE before updating the PHY parameters */
5751     rtl_eee_enable(tp, false);
5752 
5753     /* U1/U2/L1 idle timer. 500 us */
5754     ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
5755 
5756     data = r8153_phy_status(tp, 0);
5757 
5758     switch (data) {
5759     case PHY_STAT_PWRDN:
5760     case PHY_STAT_EXT_INIT:
5761         rtl8152_apply_firmware(tp, true);
5762 
5763         data = r8152_mdio_read(tp, MII_BMCR);
5764         data &= ~BMCR_PDOWN;
5765         r8152_mdio_write(tp, MII_BMCR, data);
5766         break;
5767     case PHY_STAT_LAN_ON:
5768     default:
5769         rtl8152_apply_firmware(tp, false);
5770         break;
5771     }
5772 
5773     r8153b_green_en(tp, test_bit(GREEN_ETHERNET, &tp->flags));
5774 
5775     data = sram_read(tp, SRAM_GREEN_CFG);
5776     data |= R_TUNE_EN;
5777     sram_write(tp, SRAM_GREEN_CFG, data);
5778     data = ocp_reg_read(tp, OCP_NCTL_CFG);
5779     data |= PGA_RETURN_EN;
5780     ocp_reg_write(tp, OCP_NCTL_CFG, data);
5781 
5782     /* ADC Bias Calibration:
5783      * read efuse offset 0x7d to get a 17-bit data. Remove the dummy/fake
5784      * bit (bit3) to rebuild the real 16-bit data. Write the data to the
5785      * ADC ioffset.
5786      */
5787     ocp_data = r8152_efuse_read(tp, 0x7d);
5788     data = (u16)(((ocp_data & 0x1fff0) >> 1) | (ocp_data & 0x7));
5789     if (data != 0xffff)
5790         ocp_reg_write(tp, OCP_ADC_IOFFSET, data);
5791 
5792     /* ups mode tx-link-pulse timing adjustment:
5793      * rg_saw_cnt = OCP reg 0xC426 Bit[13:0]
5794      * swr_cnt_1ms_ini = 16000000 / rg_saw_cnt
5795      */
5796     ocp_data = ocp_reg_read(tp, 0xc426);
5797     ocp_data &= 0x3fff;
5798     if (ocp_data) {
5799         u32 swr_cnt_1ms_ini;
5800 
5801         swr_cnt_1ms_ini = (16000000 / ocp_data) & SAW_CNT_1MS_MASK;
5802         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CFG);
5803         ocp_data = (ocp_data & ~SAW_CNT_1MS_MASK) | swr_cnt_1ms_ini;
5804         ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CFG, ocp_data);
5805     }
5806 
5807     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
5808     ocp_data |= PFM_PWM_SWITCH;
5809     ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
5810 
5811     /* Advnace EEE */
5812     if (!rtl_phy_patch_request(tp, true, true)) {
5813         data = ocp_reg_read(tp, OCP_POWER_CFG);
5814         data |= EEE_CLKDIV_EN;
5815         ocp_reg_write(tp, OCP_POWER_CFG, data);
5816         tp->ups_info.eee_ckdiv = true;
5817 
5818         data = ocp_reg_read(tp, OCP_DOWN_SPEED);
5819         data |= EN_EEE_CMODE | EN_EEE_1000 | EN_10M_CLKDIV;
5820         ocp_reg_write(tp, OCP_DOWN_SPEED, data);
5821         tp->ups_info.eee_cmod_lv = true;
5822         tp->ups_info._10m_ckdiv = true;
5823         tp->ups_info.eee_plloff_giga = true;
5824 
5825         ocp_reg_write(tp, OCP_SYSCLK_CFG, 0);
5826         ocp_reg_write(tp, OCP_SYSCLK_CFG, clk_div_expo(5));
5827         tp->ups_info._250m_ckdiv = true;
5828 
5829         rtl_phy_patch_request(tp, false, true);
5830     }
5831 
5832     if (tp->eee_en)
5833         rtl_eee_enable(tp, true);
5834 
5835     r8153_aldps_en(tp, true);
5836     r8152b_enable_fc(tp);
5837 
5838     set_bit(PHY_RESET, &tp->flags);
5839 }
5840 
5841 static void r8153c_hw_phy_cfg(struct r8152 *tp)
5842 {
5843     r8153b_hw_phy_cfg(tp);
5844 
5845     tp->ups_info.r_tune = true;
5846 }
5847 
5848 static void rtl8153_change_mtu(struct r8152 *tp)
5849 {
5850     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, mtu_to_size(tp->netdev->mtu));
5851     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
5852 }
5853 
5854 static void r8153_first_init(struct r8152 *tp)
5855 {
5856     u32 ocp_data;
5857 
5858     rxdy_gated_en(tp, true);
5859     r8153_teredo_off(tp);
5860 
5861     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
5862     ocp_data &= ~RCR_ACPT_ALL;
5863     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
5864 
5865     rtl8152_nic_reset(tp);
5866     rtl_reset_bmu(tp);
5867 
5868     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5869     ocp_data &= ~NOW_IS_OOB;
5870     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
5871 
5872     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5873     ocp_data &= ~MCU_BORW_EN;
5874     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5875 
5876     wait_oob_link_list_ready(tp);
5877 
5878     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5879     ocp_data |= RE_INIT_LL;
5880     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5881 
5882     wait_oob_link_list_ready(tp);
5883 
5884     rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
5885 
5886     rtl8153_change_mtu(tp);
5887 
5888     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
5889     ocp_data |= TCR0_AUTO_FIFO;
5890     ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
5891 
5892     rtl8152_nic_reset(tp);
5893 
5894     /* rx share fifo credit full threshold */
5895     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
5896     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
5897     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
5898     /* TX share fifo free credit full threshold */
5899     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
5900 }
5901 
5902 static void r8153_enter_oob(struct r8152 *tp)
5903 {
5904     u32 ocp_data;
5905 
5906     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5907     ocp_data &= ~NOW_IS_OOB;
5908     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
5909 
5910     /* RX FIFO settings for OOB */
5911     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
5912     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
5913     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
5914 
5915     rtl_disable(tp);
5916     rtl_reset_bmu(tp);
5917 
5918     wait_oob_link_list_ready(tp);
5919 
5920     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5921     ocp_data |= RE_INIT_LL;
5922     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5923 
5924     wait_oob_link_list_ready(tp);
5925 
5926     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, 1522);
5927     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_DEFAULT);
5928 
5929     switch (tp->version) {
5930     case RTL_VER_03:
5931     case RTL_VER_04:
5932     case RTL_VER_05:
5933     case RTL_VER_06:
5934         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
5935         ocp_data &= ~TEREDO_WAKE_MASK;
5936         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
5937         break;
5938 
5939     case RTL_VER_08:
5940     case RTL_VER_09:
5941     case RTL_VER_14:
5942         /* Clear teredo wake event. bit[15:8] is the teredo wakeup
5943          * type. Set it to zero. bits[7:0] are the W1C bits about
5944          * the events. Set them to all 1 to clear them.
5945          */
5946         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_WAKE_BASE, 0x00ff);
5947         break;
5948 
5949     default:
5950         break;
5951     }
5952 
5953     rtl_rx_vlan_en(tp, true);
5954 
5955     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR);
5956     ocp_data |= ALDPS_PROXY_MODE;
5957     ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data);
5958 
5959     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
5960     ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
5961     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
5962 
5963     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
5964     ocp_data |= MCU_BORW_EN;
5965     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
5966 
5967     rxdy_gated_en(tp, false);
5968 
5969     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
5970     ocp_data |= RCR_APM | RCR_AM | RCR_AB;
5971     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
5972 }
5973 
5974 static void rtl8153_disable(struct r8152 *tp)
5975 {
5976     r8153_aldps_en(tp, false);
5977     rtl_disable(tp);
5978     rtl_reset_bmu(tp);
5979     r8153_aldps_en(tp, true);
5980 }
5981 
5982 static int rtl8156_enable(struct r8152 *tp)
5983 {
5984     u32 ocp_data;
5985     u16 speed;
5986 
5987     if (test_bit(RTL8152_UNPLUG, &tp->flags))
5988         return -ENODEV;
5989 
5990     set_tx_qlen(tp);
5991     rtl_set_eee_plus(tp);
5992     r8153_set_rx_early_timeout(tp);
5993     r8153_set_rx_early_size(tp);
5994 
5995     speed = rtl8152_get_speed(tp);
5996     rtl_set_ifg(tp, speed);
5997 
5998     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4);
5999     if (speed & _2500bps)
6000         ocp_data &= ~IDLE_SPDWN_EN;
6001     else
6002         ocp_data |= IDLE_SPDWN_EN;
6003     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, ocp_data);
6004 
6005     if (speed & _1000bps)
6006         ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_TXTWSYS, 0x11);
6007     else if (speed & _500bps)
6008         ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_TXTWSYS, 0x3d);
6009 
6010     if (tp->udev->speed == USB_SPEED_HIGH) {
6011         /* USB 0xb45e[3:0] l1_nyet_hird */
6012         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_L1_CTRL);
6013         ocp_data &= ~0xf;
6014         if (is_flow_control(speed))
6015             ocp_data |= 0xf;
6016         else
6017             ocp_data |= 0x1;
6018         ocp_write_word(tp, MCU_TYPE_USB, USB_L1_CTRL, ocp_data);
6019     }
6020 
6021     return rtl_enable(tp);
6022 }
6023 
6024 static int rtl8156b_enable(struct r8152 *tp)
6025 {
6026     u32 ocp_data;
6027     u16 speed;
6028 
6029     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6030         return -ENODEV;
6031 
6032     set_tx_qlen(tp);
6033     rtl_set_eee_plus(tp);
6034 
6035     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_RX_AGGR_NUM);
6036     ocp_data &= ~RX_AGGR_NUM_MASK;
6037     ocp_write_word(tp, MCU_TYPE_USB, USB_RX_AGGR_NUM, ocp_data);
6038 
6039     r8153_set_rx_early_timeout(tp);
6040     r8153_set_rx_early_size(tp);
6041 
6042     speed = rtl8152_get_speed(tp);
6043     rtl_set_ifg(tp, speed);
6044 
6045     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4);
6046     if (speed & _2500bps)
6047         ocp_data &= ~IDLE_SPDWN_EN;
6048     else
6049         ocp_data |= IDLE_SPDWN_EN;
6050     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, ocp_data);
6051 
6052     if (tp->udev->speed == USB_SPEED_HIGH) {
6053         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_L1_CTRL);
6054         ocp_data &= ~0xf;
6055         if (is_flow_control(speed))
6056             ocp_data |= 0xf;
6057         else
6058             ocp_data |= 0x1;
6059         ocp_write_word(tp, MCU_TYPE_USB, USB_L1_CTRL, ocp_data);
6060     }
6061 
6062     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
6063     ocp_data &= ~FC_PATCH_TASK;
6064     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
6065     usleep_range(1000, 2000);
6066     ocp_data |= FC_PATCH_TASK;
6067     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
6068 
6069     return rtl_enable(tp);
6070 }
6071 
6072 static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex,
6073                  u32 advertising)
6074 {
6075     u16 bmcr;
6076     int ret = 0;
6077 
6078     if (autoneg == AUTONEG_DISABLE) {
6079         if (duplex != DUPLEX_HALF && duplex != DUPLEX_FULL)
6080             return -EINVAL;
6081 
6082         switch (speed) {
6083         case SPEED_10:
6084             bmcr = BMCR_SPEED10;
6085             if (duplex == DUPLEX_FULL) {
6086                 bmcr |= BMCR_FULLDPLX;
6087                 tp->ups_info.speed_duplex = FORCE_10M_FULL;
6088             } else {
6089                 tp->ups_info.speed_duplex = FORCE_10M_HALF;
6090             }
6091             break;
6092         case SPEED_100:
6093             bmcr = BMCR_SPEED100;
6094             if (duplex == DUPLEX_FULL) {
6095                 bmcr |= BMCR_FULLDPLX;
6096                 tp->ups_info.speed_duplex = FORCE_100M_FULL;
6097             } else {
6098                 tp->ups_info.speed_duplex = FORCE_100M_HALF;
6099             }
6100             break;
6101         case SPEED_1000:
6102             if (tp->mii.supports_gmii) {
6103                 bmcr = BMCR_SPEED1000 | BMCR_FULLDPLX;
6104                 tp->ups_info.speed_duplex = NWAY_1000M_FULL;
6105                 break;
6106             }
6107             fallthrough;
6108         default:
6109             ret = -EINVAL;
6110             goto out;
6111         }
6112 
6113         if (duplex == DUPLEX_FULL)
6114             tp->mii.full_duplex = 1;
6115         else
6116             tp->mii.full_duplex = 0;
6117 
6118         tp->mii.force_media = 1;
6119     } else {
6120         u16 orig, new1;
6121         u32 support;
6122 
6123         support = RTL_ADVERTISED_10_HALF | RTL_ADVERTISED_10_FULL |
6124               RTL_ADVERTISED_100_HALF | RTL_ADVERTISED_100_FULL;
6125 
6126         if (tp->mii.supports_gmii) {
6127             support |= RTL_ADVERTISED_1000_FULL;
6128 
6129             if (tp->support_2500full)
6130                 support |= RTL_ADVERTISED_2500_FULL;
6131         }
6132 
6133         if (!(advertising & support))
6134             return -EINVAL;
6135 
6136         orig = r8152_mdio_read(tp, MII_ADVERTISE);
6137         new1 = orig & ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
6138                 ADVERTISE_100HALF | ADVERTISE_100FULL);
6139         if (advertising & RTL_ADVERTISED_10_HALF) {
6140             new1 |= ADVERTISE_10HALF;
6141             tp->ups_info.speed_duplex = NWAY_10M_HALF;
6142         }
6143         if (advertising & RTL_ADVERTISED_10_FULL) {
6144             new1 |= ADVERTISE_10FULL;
6145             tp->ups_info.speed_duplex = NWAY_10M_FULL;
6146         }
6147 
6148         if (advertising & RTL_ADVERTISED_100_HALF) {
6149             new1 |= ADVERTISE_100HALF;
6150             tp->ups_info.speed_duplex = NWAY_100M_HALF;
6151         }
6152         if (advertising & RTL_ADVERTISED_100_FULL) {
6153             new1 |= ADVERTISE_100FULL;
6154             tp->ups_info.speed_duplex = NWAY_100M_FULL;
6155         }
6156 
6157         if (orig != new1) {
6158             r8152_mdio_write(tp, MII_ADVERTISE, new1);
6159             tp->mii.advertising = new1;
6160         }
6161 
6162         if (tp->mii.supports_gmii) {
6163             orig = r8152_mdio_read(tp, MII_CTRL1000);
6164             new1 = orig & ~(ADVERTISE_1000FULL |
6165                     ADVERTISE_1000HALF);
6166 
6167             if (advertising & RTL_ADVERTISED_1000_FULL) {
6168                 new1 |= ADVERTISE_1000FULL;
6169                 tp->ups_info.speed_duplex = NWAY_1000M_FULL;
6170             }
6171 
6172             if (orig != new1)
6173                 r8152_mdio_write(tp, MII_CTRL1000, new1);
6174         }
6175 
6176         if (tp->support_2500full) {
6177             orig = ocp_reg_read(tp, OCP_10GBT_CTRL);
6178             new1 = orig & ~MDIO_AN_10GBT_CTRL_ADV2_5G;
6179 
6180             if (advertising & RTL_ADVERTISED_2500_FULL) {
6181                 new1 |= MDIO_AN_10GBT_CTRL_ADV2_5G;
6182                 tp->ups_info.speed_duplex = NWAY_2500M_FULL;
6183             }
6184 
6185             if (orig != new1)
6186                 ocp_reg_write(tp, OCP_10GBT_CTRL, new1);
6187         }
6188 
6189         bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
6190 
6191         tp->mii.force_media = 0;
6192     }
6193 
6194     if (test_and_clear_bit(PHY_RESET, &tp->flags))
6195         bmcr |= BMCR_RESET;
6196 
6197     r8152_mdio_write(tp, MII_BMCR, bmcr);
6198 
6199     if (bmcr & BMCR_RESET) {
6200         int i;
6201 
6202         for (i = 0; i < 50; i++) {
6203             msleep(20);
6204             if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0)
6205                 break;
6206         }
6207     }
6208 
6209 out:
6210     return ret;
6211 }
6212 
6213 static void rtl8152_up(struct r8152 *tp)
6214 {
6215     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6216         return;
6217 
6218     r8152_aldps_en(tp, false);
6219     r8152b_exit_oob(tp);
6220     r8152_aldps_en(tp, true);
6221 }
6222 
6223 static void rtl8152_down(struct r8152 *tp)
6224 {
6225     if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
6226         rtl_drop_queued_tx(tp);
6227         return;
6228     }
6229 
6230     r8152_power_cut_en(tp, false);
6231     r8152_aldps_en(tp, false);
6232     r8152b_enter_oob(tp);
6233     r8152_aldps_en(tp, true);
6234 }
6235 
6236 static void rtl8153_up(struct r8152 *tp)
6237 {
6238     u32 ocp_data;
6239 
6240     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6241         return;
6242 
6243     r8153_u1u2en(tp, false);
6244     r8153_u2p3en(tp, false);
6245     r8153_aldps_en(tp, false);
6246     r8153_first_init(tp);
6247 
6248     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
6249     ocp_data |= LANWAKE_CLR_EN;
6250     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
6251 
6252     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG);
6253     ocp_data &= ~LANWAKE_PIN;
6254     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
6255 
6256     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1);
6257     ocp_data &= ~DELAY_PHY_PWR_CHG;
6258     ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1, ocp_data);
6259 
6260     r8153_aldps_en(tp, true);
6261 
6262     switch (tp->version) {
6263     case RTL_VER_03:
6264     case RTL_VER_04:
6265         break;
6266     case RTL_VER_05:
6267     case RTL_VER_06:
6268     default:
6269         r8153_u2p3en(tp, true);
6270         break;
6271     }
6272 
6273     r8153_u1u2en(tp, true);
6274 }
6275 
6276 static void rtl8153_down(struct r8152 *tp)
6277 {
6278     u32 ocp_data;
6279 
6280     if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
6281         rtl_drop_queued_tx(tp);
6282         return;
6283     }
6284 
6285     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
6286     ocp_data &= ~LANWAKE_CLR_EN;
6287     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
6288 
6289     r8153_u1u2en(tp, false);
6290     r8153_u2p3en(tp, false);
6291     r8153_power_cut_en(tp, false);
6292     r8153_aldps_en(tp, false);
6293     r8153_enter_oob(tp);
6294     r8153_aldps_en(tp, true);
6295 }
6296 
6297 static void rtl8153b_up(struct r8152 *tp)
6298 {
6299     u32 ocp_data;
6300 
6301     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6302         return;
6303 
6304     r8153b_u1u2en(tp, false);
6305     r8153_u2p3en(tp, false);
6306     r8153_aldps_en(tp, false);
6307 
6308     r8153_first_init(tp);
6309     ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_B);
6310 
6311     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
6312     ocp_data &= ~PLA_MCU_SPDWN_EN;
6313     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
6314 
6315     r8153_aldps_en(tp, true);
6316 
6317     if (tp->udev->speed >= USB_SPEED_SUPER)
6318         r8153b_u1u2en(tp, true);
6319 }
6320 
6321 static void rtl8153b_down(struct r8152 *tp)
6322 {
6323     u32 ocp_data;
6324 
6325     if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
6326         rtl_drop_queued_tx(tp);
6327         return;
6328     }
6329 
6330     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
6331     ocp_data |= PLA_MCU_SPDWN_EN;
6332     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
6333 
6334     r8153b_u1u2en(tp, false);
6335     r8153_u2p3en(tp, false);
6336     r8153b_power_cut_en(tp, false);
6337     r8153_aldps_en(tp, false);
6338     r8153_enter_oob(tp);
6339     r8153_aldps_en(tp, true);
6340 }
6341 
6342 static void rtl8153c_change_mtu(struct r8152 *tp)
6343 {
6344     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, mtu_to_size(tp->netdev->mtu));
6345     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, 10 * 1024 / 64);
6346 
6347     ocp_write_word(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, 512 / 64);
6348 
6349     /* Adjust the tx fifo free credit full threshold, otherwise
6350      * the fifo would be too small to send a jumbo frame packet.
6351      */
6352     if (tp->netdev->mtu < 8000)
6353         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TXFIFO_FULL, 2048 / 8);
6354     else
6355         ocp_write_word(tp, MCU_TYPE_PLA, PLA_TXFIFO_FULL, 900 / 8);
6356 }
6357 
6358 static void rtl8153c_up(struct r8152 *tp)
6359 {
6360     u32 ocp_data;
6361 
6362     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6363         return;
6364 
6365     r8153b_u1u2en(tp, false);
6366     r8153_u2p3en(tp, false);
6367     r8153_aldps_en(tp, false);
6368 
6369     rxdy_gated_en(tp, true);
6370     r8153_teredo_off(tp);
6371 
6372     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
6373     ocp_data &= ~RCR_ACPT_ALL;
6374     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
6375 
6376     rtl8152_nic_reset(tp);
6377     rtl_reset_bmu(tp);
6378 
6379     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
6380     ocp_data &= ~NOW_IS_OOB;
6381     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
6382 
6383     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
6384     ocp_data &= ~MCU_BORW_EN;
6385     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
6386 
6387     wait_oob_link_list_ready(tp);
6388 
6389     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
6390     ocp_data |= RE_INIT_LL;
6391     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
6392 
6393     wait_oob_link_list_ready(tp);
6394 
6395     rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
6396 
6397     rtl8153c_change_mtu(tp);
6398 
6399     rtl8152_nic_reset(tp);
6400 
6401     /* rx share fifo credit full threshold */
6402     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, 0x02);
6403     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_RXFIFO_FULL, 0x08);
6404     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
6405     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
6406 
6407     ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_B);
6408 
6409     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
6410 
6411     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG34);
6412     ocp_data |= BIT(8);
6413     ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG34, ocp_data);
6414 
6415     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
6416 
6417     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
6418     ocp_data &= ~PLA_MCU_SPDWN_EN;
6419     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
6420 
6421     r8153_aldps_en(tp, true);
6422     r8153b_u1u2en(tp, true);
6423 }
6424 
6425 static inline u32 fc_pause_on_auto(struct r8152 *tp)
6426 {
6427     return (ALIGN(mtu_to_size(tp->netdev->mtu), 1024) + 6 * 1024);
6428 }
6429 
6430 static inline u32 fc_pause_off_auto(struct r8152 *tp)
6431 {
6432     return (ALIGN(mtu_to_size(tp->netdev->mtu), 1024) + 14 * 1024);
6433 }
6434 
6435 static void r8156_fc_parameter(struct r8152 *tp)
6436 {
6437     u32 pause_on = tp->fc_pause_on ? tp->fc_pause_on : fc_pause_on_auto(tp);
6438     u32 pause_off = tp->fc_pause_off ? tp->fc_pause_off : fc_pause_off_auto(tp);
6439 
6440     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_FULL, pause_on / 16);
6441     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_EMPTY, pause_off / 16);
6442 }
6443 
6444 static void rtl8156_change_mtu(struct r8152 *tp)
6445 {
6446     u32 rx_max_size = mtu_to_size(tp->netdev->mtu);
6447 
6448     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rx_max_size);
6449     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
6450     r8156_fc_parameter(tp);
6451 
6452     /* TX share fifo free credit full threshold */
6453     ocp_write_word(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, 512 / 64);
6454     ocp_write_word(tp, MCU_TYPE_PLA, PLA_TXFIFO_FULL,
6455                ALIGN(rx_max_size + sizeof(struct tx_desc), 1024) / 16);
6456 }
6457 
6458 static void rtl8156_up(struct r8152 *tp)
6459 {
6460     u32 ocp_data;
6461 
6462     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6463         return;
6464 
6465     r8153b_u1u2en(tp, false);
6466     r8153_u2p3en(tp, false);
6467     r8153_aldps_en(tp, false);
6468 
6469     rxdy_gated_en(tp, true);
6470     r8153_teredo_off(tp);
6471 
6472     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
6473     ocp_data &= ~RCR_ACPT_ALL;
6474     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
6475 
6476     rtl8152_nic_reset(tp);
6477     rtl_reset_bmu(tp);
6478 
6479     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
6480     ocp_data &= ~NOW_IS_OOB;
6481     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
6482 
6483     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
6484     ocp_data &= ~MCU_BORW_EN;
6485     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
6486 
6487     rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX);
6488 
6489     rtl8156_change_mtu(tp);
6490 
6491     switch (tp->version) {
6492     case RTL_TEST_01:
6493     case RTL_VER_10:
6494     case RTL_VER_11:
6495         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_BMU_CONFIG);
6496         ocp_data |= ACT_ODMA;
6497         ocp_write_word(tp, MCU_TYPE_USB, USB_BMU_CONFIG, ocp_data);
6498         break;
6499     default:
6500         break;
6501     }
6502 
6503     /* share FIFO settings */
6504     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_FULL);
6505     ocp_data &= ~RXFIFO_FULL_MASK;
6506     ocp_data |= 0x08;
6507     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_FULL, ocp_data);
6508 
6509     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
6510     ocp_data &= ~PLA_MCU_SPDWN_EN;
6511     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
6512 
6513     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SPEED_OPTION);
6514     ocp_data &= ~(RG_PWRDN_EN | ALL_SPEED_OFF);
6515     ocp_write_word(tp, MCU_TYPE_USB, USB_SPEED_OPTION, ocp_data);
6516 
6517     ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, 0x00600400);
6518 
6519     if (tp->saved_wolopts != __rtl_get_wol(tp)) {
6520         netif_warn(tp, ifup, tp->netdev, "wol setting is changed\n");
6521         __rtl_set_wol(tp, tp->saved_wolopts);
6522     }
6523 
6524     r8153_aldps_en(tp, true);
6525     r8153_u2p3en(tp, true);
6526 
6527     if (tp->udev->speed >= USB_SPEED_SUPER)
6528         r8153b_u1u2en(tp, true);
6529 }
6530 
6531 static void rtl8156_down(struct r8152 *tp)
6532 {
6533     u32 ocp_data;
6534 
6535     if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
6536         rtl_drop_queued_tx(tp);
6537         return;
6538     }
6539 
6540     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
6541     ocp_data |= PLA_MCU_SPDWN_EN;
6542     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
6543 
6544     r8153b_u1u2en(tp, false);
6545     r8153_u2p3en(tp, false);
6546     r8153b_power_cut_en(tp, false);
6547     r8153_aldps_en(tp, false);
6548 
6549     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
6550     ocp_data &= ~NOW_IS_OOB;
6551     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
6552 
6553     /* RX FIFO settings for OOB */
6554     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_FULL, 64 / 16);
6555     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_FULL, 1024 / 16);
6556     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_EMPTY, 4096 / 16);
6557 
6558     rtl_disable(tp);
6559     rtl_reset_bmu(tp);
6560 
6561     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, 1522);
6562     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_DEFAULT);
6563 
6564     /* Clear teredo wake event. bit[15:8] is the teredo wakeup
6565      * type. Set it to zero. bits[7:0] are the W1C bits about
6566      * the events. Set them to all 1 to clear them.
6567      */
6568     ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_WAKE_BASE, 0x00ff);
6569 
6570     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
6571     ocp_data |= NOW_IS_OOB;
6572     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
6573 
6574     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
6575     ocp_data |= MCU_BORW_EN;
6576     ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
6577 
6578     rtl_rx_vlan_en(tp, true);
6579     rxdy_gated_en(tp, false);
6580 
6581     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
6582     ocp_data |= RCR_APM | RCR_AM | RCR_AB;
6583     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
6584 
6585     r8153_aldps_en(tp, true);
6586 }
6587 
6588 static bool rtl8152_in_nway(struct r8152 *tp)
6589 {
6590     u16 nway_state;
6591 
6592     ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, 0x2000);
6593     tp->ocp_base = 0x2000;
6594     ocp_write_byte(tp, MCU_TYPE_PLA, 0xb014, 0x4c);     /* phy state */
6595     nway_state = ocp_read_word(tp, MCU_TYPE_PLA, 0xb01a);
6596 
6597     /* bit 15: TXDIS_STATE, bit 14: ABD_STATE */
6598     if (nway_state & 0xc000)
6599         return false;
6600     else
6601         return true;
6602 }
6603 
6604 static bool rtl8153_in_nway(struct r8152 *tp)
6605 {
6606     u16 phy_state = ocp_reg_read(tp, OCP_PHY_STATE) & 0xff;
6607 
6608     if (phy_state == TXDIS_STATE || phy_state == ABD_STATE)
6609         return false;
6610     else
6611         return true;
6612 }
6613 
6614 static void r8156_mdio_force_mode(struct r8152 *tp)
6615 {
6616     u16 data;
6617 
6618     /* Select force mode through 0xa5b4 bit 15
6619      * 0: MDIO force mode
6620      * 1: MMD force mode
6621      */
6622     data = ocp_reg_read(tp, 0xa5b4);
6623     if (data & BIT(15)) {
6624         data &= ~BIT(15);
6625         ocp_reg_write(tp, 0xa5b4, data);
6626     }
6627 }
6628 
6629 static void set_carrier(struct r8152 *tp)
6630 {
6631     struct net_device *netdev = tp->netdev;
6632     struct napi_struct *napi = &tp->napi;
6633     u16 speed;
6634 
6635     speed = rtl8152_get_speed(tp);
6636 
6637     if (speed & LINK_STATUS) {
6638         if (!netif_carrier_ok(netdev)) {
6639             tp->rtl_ops.enable(tp);
6640             netif_stop_queue(netdev);
6641             napi_disable(napi);
6642             netif_carrier_on(netdev);
6643             rtl_start_rx(tp);
6644             clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
6645             _rtl8152_set_rx_mode(netdev);
6646             napi_enable(napi);
6647             netif_wake_queue(netdev);
6648             netif_info(tp, link, netdev, "carrier on\n");
6649         } else if (netif_queue_stopped(netdev) &&
6650                skb_queue_len(&tp->tx_queue) < tp->tx_qlen) {
6651             netif_wake_queue(netdev);
6652         }
6653     } else {
6654         if (netif_carrier_ok(netdev)) {
6655             netif_carrier_off(netdev);
6656             tasklet_disable(&tp->tx_tl);
6657             napi_disable(napi);
6658             tp->rtl_ops.disable(tp);
6659             napi_enable(napi);
6660             tasklet_enable(&tp->tx_tl);
6661             netif_info(tp, link, netdev, "carrier off\n");
6662         }
6663     }
6664 }
6665 
6666 static void rtl_work_func_t(struct work_struct *work)
6667 {
6668     struct r8152 *tp = container_of(work, struct r8152, schedule.work);
6669 
6670     /* If the device is unplugged or !netif_running(), the workqueue
6671      * doesn't need to wake the device, and could return directly.
6672      */
6673     if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev))
6674         return;
6675 
6676     if (usb_autopm_get_interface(tp->intf) < 0)
6677         return;
6678 
6679     if (!test_bit(WORK_ENABLE, &tp->flags))
6680         goto out1;
6681 
6682     if (!mutex_trylock(&tp->control)) {
6683         schedule_delayed_work(&tp->schedule, 0);
6684         goto out1;
6685     }
6686 
6687     if (test_and_clear_bit(RTL8152_LINK_CHG, &tp->flags))
6688         set_carrier(tp);
6689 
6690     if (test_and_clear_bit(RTL8152_SET_RX_MODE, &tp->flags))
6691         _rtl8152_set_rx_mode(tp->netdev);
6692 
6693     /* don't schedule tasket before linking */
6694     if (test_and_clear_bit(SCHEDULE_TASKLET, &tp->flags) &&
6695         netif_carrier_ok(tp->netdev))
6696         tasklet_schedule(&tp->tx_tl);
6697 
6698     if (test_and_clear_bit(RX_EPROTO, &tp->flags) &&
6699         !list_empty(&tp->rx_done))
6700         napi_schedule(&tp->napi);
6701 
6702     mutex_unlock(&tp->control);
6703 
6704 out1:
6705     usb_autopm_put_interface(tp->intf);
6706 }
6707 
6708 static void rtl_hw_phy_work_func_t(struct work_struct *work)
6709 {
6710     struct r8152 *tp = container_of(work, struct r8152, hw_phy_work.work);
6711 
6712     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6713         return;
6714 
6715     if (usb_autopm_get_interface(tp->intf) < 0)
6716         return;
6717 
6718     mutex_lock(&tp->control);
6719 
6720     if (rtl8152_request_firmware(tp) == -ENODEV && tp->rtl_fw.retry) {
6721         tp->rtl_fw.retry = false;
6722         tp->rtl_fw.fw = NULL;
6723 
6724         /* Delay execution in case request_firmware() is not ready yet.
6725          */
6726         queue_delayed_work(system_long_wq, &tp->hw_phy_work, HZ * 10);
6727         goto ignore_once;
6728     }
6729 
6730     tp->rtl_ops.hw_phy_cfg(tp);
6731 
6732     rtl8152_set_speed(tp, tp->autoneg, tp->speed, tp->duplex,
6733               tp->advertising);
6734 
6735 ignore_once:
6736     mutex_unlock(&tp->control);
6737 
6738     usb_autopm_put_interface(tp->intf);
6739 }
6740 
6741 #ifdef CONFIG_PM_SLEEP
6742 static int rtl_notifier(struct notifier_block *nb, unsigned long action,
6743             void *data)
6744 {
6745     struct r8152 *tp = container_of(nb, struct r8152, pm_notifier);
6746 
6747     switch (action) {
6748     case PM_HIBERNATION_PREPARE:
6749     case PM_SUSPEND_PREPARE:
6750         usb_autopm_get_interface(tp->intf);
6751         break;
6752 
6753     case PM_POST_HIBERNATION:
6754     case PM_POST_SUSPEND:
6755         usb_autopm_put_interface(tp->intf);
6756         break;
6757 
6758     case PM_POST_RESTORE:
6759     case PM_RESTORE_PREPARE:
6760     default:
6761         break;
6762     }
6763 
6764     return NOTIFY_DONE;
6765 }
6766 #endif
6767 
6768 static int rtl8152_open(struct net_device *netdev)
6769 {
6770     struct r8152 *tp = netdev_priv(netdev);
6771     int res = 0;
6772 
6773     if (work_busy(&tp->hw_phy_work.work) & WORK_BUSY_PENDING) {
6774         cancel_delayed_work_sync(&tp->hw_phy_work);
6775         rtl_hw_phy_work_func_t(&tp->hw_phy_work.work);
6776     }
6777 
6778     res = alloc_all_mem(tp);
6779     if (res)
6780         goto out;
6781 
6782     res = usb_autopm_get_interface(tp->intf);
6783     if (res < 0)
6784         goto out_free;
6785 
6786     mutex_lock(&tp->control);
6787 
6788     tp->rtl_ops.up(tp);
6789 
6790     netif_carrier_off(netdev);
6791     netif_start_queue(netdev);
6792     set_bit(WORK_ENABLE, &tp->flags);
6793 
6794     res = usb_submit_urb(tp->intr_urb, GFP_KERNEL);
6795     if (res) {
6796         if (res == -ENODEV)
6797             netif_device_detach(tp->netdev);
6798         netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
6799                res);
6800         goto out_unlock;
6801     }
6802     napi_enable(&tp->napi);
6803     tasklet_enable(&tp->tx_tl);
6804 
6805     mutex_unlock(&tp->control);
6806 
6807     usb_autopm_put_interface(tp->intf);
6808 #ifdef CONFIG_PM_SLEEP
6809     tp->pm_notifier.notifier_call = rtl_notifier;
6810     register_pm_notifier(&tp->pm_notifier);
6811 #endif
6812     return 0;
6813 
6814 out_unlock:
6815     mutex_unlock(&tp->control);
6816     usb_autopm_put_interface(tp->intf);
6817 out_free:
6818     free_all_mem(tp);
6819 out:
6820     return res;
6821 }
6822 
6823 static int rtl8152_close(struct net_device *netdev)
6824 {
6825     struct r8152 *tp = netdev_priv(netdev);
6826     int res = 0;
6827 
6828 #ifdef CONFIG_PM_SLEEP
6829     unregister_pm_notifier(&tp->pm_notifier);
6830 #endif
6831     tasklet_disable(&tp->tx_tl);
6832     clear_bit(WORK_ENABLE, &tp->flags);
6833     usb_kill_urb(tp->intr_urb);
6834     cancel_delayed_work_sync(&tp->schedule);
6835     napi_disable(&tp->napi);
6836     netif_stop_queue(netdev);
6837 
6838     res = usb_autopm_get_interface(tp->intf);
6839     if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) {
6840         rtl_drop_queued_tx(tp);
6841         rtl_stop_rx(tp);
6842     } else {
6843         mutex_lock(&tp->control);
6844 
6845         tp->rtl_ops.down(tp);
6846 
6847         mutex_unlock(&tp->control);
6848     }
6849 
6850     if (!res)
6851         usb_autopm_put_interface(tp->intf);
6852 
6853     free_all_mem(tp);
6854 
6855     return res;
6856 }
6857 
6858 static void rtl_tally_reset(struct r8152 *tp)
6859 {
6860     u32 ocp_data;
6861 
6862     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
6863     ocp_data |= TALLY_RESET;
6864     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
6865 }
6866 
6867 static void r8152b_init(struct r8152 *tp)
6868 {
6869     u32 ocp_data;
6870     u16 data;
6871 
6872     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6873         return;
6874 
6875     data = r8152_mdio_read(tp, MII_BMCR);
6876     if (data & BMCR_PDOWN) {
6877         data &= ~BMCR_PDOWN;
6878         r8152_mdio_write(tp, MII_BMCR, data);
6879     }
6880 
6881     r8152_aldps_en(tp, false);
6882 
6883     if (tp->version == RTL_VER_01) {
6884         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
6885         ocp_data &= ~LED_MODE_MASK;
6886         ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
6887     }
6888 
6889     r8152_power_cut_en(tp, false);
6890 
6891     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
6892     ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
6893     ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
6894     ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
6895     ocp_data &= ~MCU_CLK_RATIO_MASK;
6896     ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
6897     ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
6898     ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
6899            SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
6900     ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
6901 
6902     rtl_tally_reset(tp);
6903 
6904     /* enable rx aggregation */
6905     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
6906     ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
6907     ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
6908 }
6909 
6910 static void r8153_init(struct r8152 *tp)
6911 {
6912     u32 ocp_data;
6913     u16 data;
6914     int i;
6915 
6916     if (test_bit(RTL8152_UNPLUG, &tp->flags))
6917         return;
6918 
6919     r8153_u1u2en(tp, false);
6920 
6921     for (i = 0; i < 500; i++) {
6922         if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
6923             AUTOLOAD_DONE)
6924             break;
6925 
6926         msleep(20);
6927         if (test_bit(RTL8152_UNPLUG, &tp->flags))
6928             break;
6929     }
6930 
6931     data = r8153_phy_status(tp, 0);
6932 
6933     if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 ||
6934         tp->version == RTL_VER_05)
6935         ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
6936 
6937     data = r8152_mdio_read(tp, MII_BMCR);
6938     if (data & BMCR_PDOWN) {
6939         data &= ~BMCR_PDOWN;
6940         r8152_mdio_write(tp, MII_BMCR, data);
6941     }
6942 
6943     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
6944 
6945     r8153_u2p3en(tp, false);
6946 
6947     if (tp->version == RTL_VER_04) {
6948         ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2);
6949         ocp_data &= ~pwd_dn_scale_mask;
6950         ocp_data |= pwd_dn_scale(96);
6951         ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data);
6952 
6953         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
6954         ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
6955         ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
6956     } else if (tp->version == RTL_VER_05) {
6957         ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0);
6958         ocp_data &= ~ECM_ALDPS;
6959         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data);
6960 
6961         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
6962         if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
6963             ocp_data &= ~DYNAMIC_BURST;
6964         else
6965             ocp_data |= DYNAMIC_BURST;
6966         ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
6967     } else if (tp->version == RTL_VER_06) {
6968         ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
6969         if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
6970             ocp_data &= ~DYNAMIC_BURST;
6971         else
6972             ocp_data |= DYNAMIC_BURST;
6973         ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
6974 
6975         r8153_queue_wake(tp, false);
6976 
6977         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
6978         if (rtl8152_get_speed(tp) & LINK_STATUS)
6979             ocp_data |= CUR_LINK_OK;
6980         else
6981             ocp_data &= ~CUR_LINK_OK;
6982         ocp_data |= POLL_LINK_CHG;
6983         ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
6984     }
6985 
6986     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
6987     ocp_data |= EP4_FULL_FC;
6988     ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data);
6989 
6990     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
6991     ocp_data &= ~TIMER11_EN;
6992     ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
6993 
6994     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
6995     ocp_data &= ~LED_MODE_MASK;
6996     ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
6997 
6998     ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM;
6999     if (tp->version == RTL_VER_04 && tp->udev->speed < USB_SPEED_SUPER)
7000         ocp_data |= LPM_TIMER_500MS;
7001     else
7002         ocp_data |= LPM_TIMER_500US;
7003     ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
7004 
7005     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
7006     ocp_data &= ~SEN_VAL_MASK;
7007     ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
7008     ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
7009 
7010     ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
7011 
7012     r8153_power_cut_en(tp, false);
7013     rtl_runtime_suspend_enable(tp, false);
7014     r8153_mac_clk_speed_down(tp, false);
7015     r8153_u1u2en(tp, true);
7016     usb_enable_lpm(tp->udev);
7017 
7018     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
7019     ocp_data |= LANWAKE_CLR_EN;
7020     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
7021 
7022     ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG);
7023     ocp_data &= ~LANWAKE_PIN;
7024     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
7025 
7026     /* rx aggregation */
7027     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
7028     ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
7029     if (tp->dell_tb_rx_agg_bug)
7030         ocp_data |= RX_AGG_DISABLE;
7031 
7032     ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
7033 
7034     rtl_tally_reset(tp);
7035 
7036     switch (tp->udev->speed) {
7037     case USB_SPEED_SUPER:
7038     case USB_SPEED_SUPER_PLUS:
7039         tp->coalesce = COALESCE_SUPER;
7040         break;
7041     case USB_SPEED_HIGH:
7042         tp->coalesce = COALESCE_HIGH;
7043         break;
7044     default:
7045         tp->coalesce = COALESCE_SLOW;
7046         break;
7047     }
7048 }
7049 
7050 static void r8153b_init(struct r8152 *tp)
7051 {
7052     u32 ocp_data;
7053     u16 data;
7054     int i;
7055 
7056     if (test_bit(RTL8152_UNPLUG, &tp->flags))
7057         return;
7058 
7059     r8153b_u1u2en(tp, false);
7060 
7061     for (i = 0; i < 500; i++) {
7062         if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
7063             AUTOLOAD_DONE)
7064             break;
7065 
7066         msleep(20);
7067         if (test_bit(RTL8152_UNPLUG, &tp->flags))
7068             break;
7069     }
7070 
7071     data = r8153_phy_status(tp, 0);
7072 
7073     data = r8152_mdio_read(tp, MII_BMCR);
7074     if (data & BMCR_PDOWN) {
7075         data &= ~BMCR_PDOWN;
7076         r8152_mdio_write(tp, MII_BMCR, data);
7077     }
7078 
7079     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
7080 
7081     r8153_u2p3en(tp, false);
7082 
7083     /* MSC timer = 0xfff * 8ms = 32760 ms */
7084     ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
7085 
7086     r8153b_power_cut_en(tp, false);
7087     r8153b_ups_en(tp, false);
7088     r8153_queue_wake(tp, false);
7089     rtl_runtime_suspend_enable(tp, false);
7090 
7091     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
7092     if (rtl8152_get_speed(tp) & LINK_STATUS)
7093         ocp_data |= CUR_LINK_OK;
7094     else
7095         ocp_data &= ~CUR_LINK_OK;
7096     ocp_data |= POLL_LINK_CHG;
7097     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
7098 
7099     if (tp->udev->speed >= USB_SPEED_SUPER)
7100         r8153b_u1u2en(tp, true);
7101 
7102     usb_enable_lpm(tp->udev);
7103 
7104     /* MAC clock speed down */
7105     r8153_mac_clk_speed_down(tp, true);
7106 
7107     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
7108     ocp_data &= ~PLA_MCU_SPDWN_EN;
7109     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
7110 
7111     if (tp->version == RTL_VER_09) {
7112         /* Disable Test IO for 32QFN */
7113         if (ocp_read_byte(tp, MCU_TYPE_PLA, 0xdc00) & BIT(5)) {
7114             ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
7115             ocp_data |= TEST_IO_OFF;
7116             ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
7117         }
7118     }
7119 
7120     set_bit(GREEN_ETHERNET, &tp->flags);
7121 
7122     /* rx aggregation */
7123     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
7124     ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
7125     ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
7126 
7127     rtl_tally_reset(tp);
7128 
7129     tp->coalesce = 15000;   /* 15 us */
7130 }
7131 
7132 static void r8153c_init(struct r8152 *tp)
7133 {
7134     u32 ocp_data;
7135     u16 data;
7136     int i;
7137 
7138     if (test_bit(RTL8152_UNPLUG, &tp->flags))
7139         return;
7140 
7141     r8153b_u1u2en(tp, false);
7142 
7143     /* Disable spi_en */
7144     ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
7145     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CONFIG5);
7146     ocp_data &= ~BIT(3);
7147     ocp_write_word(tp, MCU_TYPE_PLA, PLA_CONFIG5, ocp_data);
7148     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, 0xcbf0);
7149     ocp_data |= BIT(1);
7150     ocp_write_word(tp, MCU_TYPE_USB, 0xcbf0, ocp_data);
7151 
7152     for (i = 0; i < 500; i++) {
7153         if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
7154             AUTOLOAD_DONE)
7155             break;
7156 
7157         msleep(20);
7158         if (test_bit(RTL8152_UNPLUG, &tp->flags))
7159             return;
7160     }
7161 
7162     data = r8153_phy_status(tp, 0);
7163 
7164     data = r8152_mdio_read(tp, MII_BMCR);
7165     if (data & BMCR_PDOWN) {
7166         data &= ~BMCR_PDOWN;
7167         r8152_mdio_write(tp, MII_BMCR, data);
7168     }
7169 
7170     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
7171 
7172     r8153_u2p3en(tp, false);
7173 
7174     /* MSC timer = 0xfff * 8ms = 32760 ms */
7175     ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
7176 
7177     r8153b_power_cut_en(tp, false);
7178     r8153c_ups_en(tp, false);
7179     r8153_queue_wake(tp, false);
7180     rtl_runtime_suspend_enable(tp, false);
7181 
7182     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
7183     if (rtl8152_get_speed(tp) & LINK_STATUS)
7184         ocp_data |= CUR_LINK_OK;
7185     else
7186         ocp_data &= ~CUR_LINK_OK;
7187 
7188     ocp_data |= POLL_LINK_CHG;
7189     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
7190 
7191     r8153b_u1u2en(tp, true);
7192 
7193     usb_enable_lpm(tp->udev);
7194 
7195     /* MAC clock speed down */
7196     r8153_mac_clk_speed_down(tp, true);
7197 
7198     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_MISC_2);
7199     ocp_data &= ~BIT(7);
7200     ocp_write_byte(tp, MCU_TYPE_USB, USB_MISC_2, ocp_data);
7201 
7202     set_bit(GREEN_ETHERNET, &tp->flags);
7203 
7204     /* rx aggregation */
7205     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
7206     ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
7207     ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
7208 
7209     rtl_tally_reset(tp);
7210 
7211     tp->coalesce = 15000;   /* 15 us */
7212 }
7213 
7214 static void r8156_hw_phy_cfg(struct r8152 *tp)
7215 {
7216     u32 ocp_data;
7217     u16 data;
7218 
7219     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
7220     if (ocp_data & PCUT_STATUS) {
7221         ocp_data &= ~PCUT_STATUS;
7222         ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
7223     }
7224 
7225     data = r8153_phy_status(tp, 0);
7226     switch (data) {
7227     case PHY_STAT_EXT_INIT:
7228         rtl8152_apply_firmware(tp, true);
7229 
7230         data = ocp_reg_read(tp, 0xa468);
7231         data &= ~(BIT(3) | BIT(1));
7232         ocp_reg_write(tp, 0xa468, data);
7233         break;
7234     case PHY_STAT_LAN_ON:
7235     case PHY_STAT_PWRDN:
7236     default:
7237         rtl8152_apply_firmware(tp, false);
7238         break;
7239     }
7240 
7241     /* disable ALDPS before updating the PHY parameters */
7242     r8153_aldps_en(tp, false);
7243 
7244     /* disable EEE before updating the PHY parameters */
7245     rtl_eee_enable(tp, false);
7246 
7247     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
7248     WARN_ON_ONCE(data != PHY_STAT_LAN_ON);
7249 
7250     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
7251     ocp_data |= PFM_PWM_SWITCH;
7252     ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
7253 
7254     switch (tp->version) {
7255     case RTL_VER_10:
7256         data = ocp_reg_read(tp, 0xad40);
7257         data &= ~0x3ff;
7258         data |= BIT(7) | BIT(2);
7259         ocp_reg_write(tp, 0xad40, data);
7260 
7261         data = ocp_reg_read(tp, 0xad4e);
7262         data |= BIT(4);
7263         ocp_reg_write(tp, 0xad4e, data);
7264         data = ocp_reg_read(tp, 0xad16);
7265         data &= ~0x3ff;
7266         data |= 0x6;
7267         ocp_reg_write(tp, 0xad16, data);
7268         data = ocp_reg_read(tp, 0xad32);
7269         data &= ~0x3f;
7270         data |= 6;
7271         ocp_reg_write(tp, 0xad32, data);
7272         data = ocp_reg_read(tp, 0xac08);
7273         data &= ~(BIT(12) | BIT(8));
7274         ocp_reg_write(tp, 0xac08, data);
7275         data = ocp_reg_read(tp, 0xac8a);
7276         data |= BIT(12) | BIT(13) | BIT(14);
7277         data &= ~BIT(15);
7278         ocp_reg_write(tp, 0xac8a, data);
7279         data = ocp_reg_read(tp, 0xad18);
7280         data |= BIT(10);
7281         ocp_reg_write(tp, 0xad18, data);
7282         data = ocp_reg_read(tp, 0xad1a);
7283         data |= 0x3ff;
7284         ocp_reg_write(tp, 0xad1a, data);
7285         data = ocp_reg_read(tp, 0xad1c);
7286         data |= 0x3ff;
7287         ocp_reg_write(tp, 0xad1c, data);
7288 
7289         data = sram_read(tp, 0x80ea);
7290         data &= ~0xff00;
7291         data |= 0xc400;
7292         sram_write(tp, 0x80ea, data);
7293         data = sram_read(tp, 0x80eb);
7294         data &= ~0x0700;
7295         data |= 0x0300;
7296         sram_write(tp, 0x80eb, data);
7297         data = sram_read(tp, 0x80f8);
7298         data &= ~0xff00;
7299         data |= 0x1c00;
7300         sram_write(tp, 0x80f8, data);
7301         data = sram_read(tp, 0x80f1);
7302         data &= ~0xff00;
7303         data |= 0x3000;
7304         sram_write(tp, 0x80f1, data);
7305 
7306         data = sram_read(tp, 0x80fe);
7307         data &= ~0xff00;
7308         data |= 0xa500;
7309         sram_write(tp, 0x80fe, data);
7310         data = sram_read(tp, 0x8102);
7311         data &= ~0xff00;
7312         data |= 0x5000;
7313         sram_write(tp, 0x8102, data);
7314         data = sram_read(tp, 0x8015);
7315         data &= ~0xff00;
7316         data |= 0x3300;
7317         sram_write(tp, 0x8015, data);
7318         data = sram_read(tp, 0x8100);
7319         data &= ~0xff00;
7320         data |= 0x7000;
7321         sram_write(tp, 0x8100, data);
7322         data = sram_read(tp, 0x8014);
7323         data &= ~0xff00;
7324         data |= 0xf000;
7325         sram_write(tp, 0x8014, data);
7326         data = sram_read(tp, 0x8016);
7327         data &= ~0xff00;
7328         data |= 0x6500;
7329         sram_write(tp, 0x8016, data);
7330         data = sram_read(tp, 0x80dc);
7331         data &= ~0xff00;
7332         data |= 0xed00;
7333         sram_write(tp, 0x80dc, data);
7334         data = sram_read(tp, 0x80df);
7335         data |= BIT(8);
7336         sram_write(tp, 0x80df, data);
7337         data = sram_read(tp, 0x80e1);
7338         data &= ~BIT(8);
7339         sram_write(tp, 0x80e1, data);
7340 
7341         data = ocp_reg_read(tp, 0xbf06);
7342         data &= ~0x003f;
7343         data |= 0x0038;
7344         ocp_reg_write(tp, 0xbf06, data);
7345 
7346         sram_write(tp, 0x819f, 0xddb6);
7347 
7348         ocp_reg_write(tp, 0xbc34, 0x5555);
7349         data = ocp_reg_read(tp, 0xbf0a);
7350         data &= ~0x0e00;
7351         data |= 0x0a00;
7352         ocp_reg_write(tp, 0xbf0a, data);
7353 
7354         data = ocp_reg_read(tp, 0xbd2c);
7355         data &= ~BIT(13);
7356         ocp_reg_write(tp, 0xbd2c, data);
7357         break;
7358     case RTL_VER_11:
7359         data = ocp_reg_read(tp, 0xad16);
7360         data |= 0x3ff;
7361         ocp_reg_write(tp, 0xad16, data);
7362         data = ocp_reg_read(tp, 0xad32);
7363         data &= ~0x3f;
7364         data |= 6;
7365         ocp_reg_write(tp, 0xad32, data);
7366         data = ocp_reg_read(tp, 0xac08);
7367         data &= ~(BIT(12) | BIT(8));
7368         ocp_reg_write(tp, 0xac08, data);
7369         data = ocp_reg_read(tp, 0xacc0);
7370         data &= ~0x3;
7371         data |= BIT(1);
7372         ocp_reg_write(tp, 0xacc0, data);
7373         data = ocp_reg_read(tp, 0xad40);
7374         data &= ~0xe7;
7375         data |= BIT(6) | BIT(2);
7376         ocp_reg_write(tp, 0xad40, data);
7377         data = ocp_reg_read(tp, 0xac14);
7378         data &= ~BIT(7);
7379         ocp_reg_write(tp, 0xac14, data);
7380         data = ocp_reg_read(tp, 0xac80);
7381         data &= ~(BIT(8) | BIT(9));
7382         ocp_reg_write(tp, 0xac80, data);
7383         data = ocp_reg_read(tp, 0xac5e);
7384         data &= ~0x7;
7385         data |= BIT(1);
7386         ocp_reg_write(tp, 0xac5e, data);
7387         ocp_reg_write(tp, 0xad4c, 0x00a8);
7388         ocp_reg_write(tp, 0xac5c, 0x01ff);
7389         data = ocp_reg_read(tp, 0xac8a);
7390         data &= ~0xf0;
7391         data |= BIT(4) | BIT(5);
7392         ocp_reg_write(tp, 0xac8a, data);
7393         ocp_reg_write(tp, 0xb87c, 0x8157);
7394         data = ocp_reg_read(tp, 0xb87e);
7395         data &= ~0xff00;
7396         data |= 0x0500;
7397         ocp_reg_write(tp, 0xb87e, data);
7398         ocp_reg_write(tp, 0xb87c, 0x8159);
7399         data = ocp_reg_read(tp, 0xb87e);
7400         data &= ~0xff00;
7401         data |= 0x0700;
7402         ocp_reg_write(tp, 0xb87e, data);
7403 
7404         /* AAGC */
7405         ocp_reg_write(tp, 0xb87c, 0x80a2);
7406         ocp_reg_write(tp, 0xb87e, 0x0153);
7407         ocp_reg_write(tp, 0xb87c, 0x809c);
7408         ocp_reg_write(tp, 0xb87e, 0x0153);
7409 
7410         /* EEE parameter */
7411         ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_TXTWSYS_2P5G, 0x0056);
7412 
7413         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_USB_CFG);
7414         ocp_data |= EN_XG_LIP | EN_G_LIP;
7415         ocp_write_word(tp, MCU_TYPE_PLA, PLA_USB_CFG, ocp_data);
7416 
7417         sram_write(tp, 0x8257, 0x020f); /*  XG PLL */
7418         sram_write(tp, 0x80ea, 0x7843); /* GIGA Master */
7419 
7420         if (rtl_phy_patch_request(tp, true, true))
7421             return;
7422 
7423         /* Advance EEE */
7424         ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4);
7425         ocp_data |= EEE_SPDWN_EN;
7426         ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, ocp_data);
7427 
7428         data = ocp_reg_read(tp, OCP_DOWN_SPEED);
7429         data &= ~(EN_EEE_100 | EN_EEE_1000);
7430         data |= EN_10M_CLKDIV;
7431         ocp_reg_write(tp, OCP_DOWN_SPEED, data);
7432         tp->ups_info._10m_ckdiv = true;
7433         tp->ups_info.eee_plloff_100 = false;
7434         tp->ups_info.eee_plloff_giga = false;
7435 
7436         data = ocp_reg_read(tp, OCP_POWER_CFG);
7437         data &= ~EEE_CLKDIV_EN;
7438         ocp_reg_write(tp, OCP_POWER_CFG, data);
7439         tp->ups_info.eee_ckdiv = false;
7440 
7441         ocp_reg_write(tp, OCP_SYSCLK_CFG, 0);
7442         ocp_reg_write(tp, OCP_SYSCLK_CFG, sysclk_div_expo(5));
7443         tp->ups_info._250m_ckdiv = false;
7444 
7445         rtl_phy_patch_request(tp, false, true);
7446 
7447         /* enable ADC Ibias Cal */
7448         data = ocp_reg_read(tp, 0xd068);
7449         data |= BIT(13);
7450         ocp_reg_write(tp, 0xd068, data);
7451 
7452         /* enable Thermal Sensor */
7453         data = sram_read(tp, 0x81a2);
7454         data &= ~BIT(8);
7455         sram_write(tp, 0x81a2, data);
7456         data = ocp_reg_read(tp, 0xb54c);
7457         data &= ~0xff00;
7458         data |= 0xdb00;
7459         ocp_reg_write(tp, 0xb54c, data);
7460 
7461         /* Nway 2.5G Lite */
7462         data = ocp_reg_read(tp, 0xa454);
7463         data &= ~BIT(0);
7464         ocp_reg_write(tp, 0xa454, data);
7465 
7466         /* CS DSP solution */
7467         data = ocp_reg_read(tp, OCP_10GBT_CTRL);
7468         data |= RTL_ADV2_5G_F_R;
7469         ocp_reg_write(tp, OCP_10GBT_CTRL, data);
7470         data = ocp_reg_read(tp, 0xad4e);
7471         data &= ~BIT(4);
7472         ocp_reg_write(tp, 0xad4e, data);
7473         data = ocp_reg_read(tp, 0xa86a);
7474         data &= ~BIT(0);
7475         ocp_reg_write(tp, 0xa86a, data);
7476 
7477         /* MDI SWAP */
7478         if ((ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CFG) & MID_REVERSE) &&
7479             (ocp_reg_read(tp, 0xd068) & BIT(1))) {
7480             u16 swap_a, swap_b;
7481 
7482             data = ocp_reg_read(tp, 0xd068);
7483             data &= ~0x1f;
7484             data |= 0x1; /* p0 */
7485             ocp_reg_write(tp, 0xd068, data);
7486             swap_a = ocp_reg_read(tp, 0xd06a);
7487             data &= ~0x18;
7488             data |= 0x18; /* p3 */
7489             ocp_reg_write(tp, 0xd068, data);
7490             swap_b = ocp_reg_read(tp, 0xd06a);
7491             data &= ~0x18; /* p0 */
7492             ocp_reg_write(tp, 0xd068, data);
7493             ocp_reg_write(tp, 0xd06a,
7494                       (swap_a & ~0x7ff) | (swap_b & 0x7ff));
7495             data |= 0x18; /* p3 */
7496             ocp_reg_write(tp, 0xd068, data);
7497             ocp_reg_write(tp, 0xd06a,
7498                       (swap_b & ~0x7ff) | (swap_a & 0x7ff));
7499             data &= ~0x18;
7500             data |= 0x08; /* p1 */
7501             ocp_reg_write(tp, 0xd068, data);
7502             swap_a = ocp_reg_read(tp, 0xd06a);
7503             data &= ~0x18;
7504             data |= 0x10; /* p2 */
7505             ocp_reg_write(tp, 0xd068, data);
7506             swap_b = ocp_reg_read(tp, 0xd06a);
7507             data &= ~0x18;
7508             data |= 0x08; /* p1 */
7509             ocp_reg_write(tp, 0xd068, data);
7510             ocp_reg_write(tp, 0xd06a,
7511                       (swap_a & ~0x7ff) | (swap_b & 0x7ff));
7512             data &= ~0x18;
7513             data |= 0x10; /* p2 */
7514             ocp_reg_write(tp, 0xd068, data);
7515             ocp_reg_write(tp, 0xd06a,
7516                       (swap_b & ~0x7ff) | (swap_a & 0x7ff));
7517             swap_a = ocp_reg_read(tp, 0xbd5a);
7518             swap_b = ocp_reg_read(tp, 0xbd5c);
7519             ocp_reg_write(tp, 0xbd5a, (swap_a & ~0x1f1f) |
7520                       ((swap_b & 0x1f) << 8) |
7521                       ((swap_b >> 8) & 0x1f));
7522             ocp_reg_write(tp, 0xbd5c, (swap_b & ~0x1f1f) |
7523                       ((swap_a & 0x1f) << 8) |
7524                       ((swap_a >> 8) & 0x1f));
7525             swap_a = ocp_reg_read(tp, 0xbc18);
7526             swap_b = ocp_reg_read(tp, 0xbc1a);
7527             ocp_reg_write(tp, 0xbc18, (swap_a & ~0x1f1f) |
7528                       ((swap_b & 0x1f) << 8) |
7529                       ((swap_b >> 8) & 0x1f));
7530             ocp_reg_write(tp, 0xbc1a, (swap_b & ~0x1f1f) |
7531                       ((swap_a & 0x1f) << 8) |
7532                       ((swap_a >> 8) & 0x1f));
7533         }
7534         break;
7535     default:
7536         break;
7537     }
7538 
7539     rtl_green_en(tp, test_bit(GREEN_ETHERNET, &tp->flags));
7540 
7541     data = ocp_reg_read(tp, 0xa428);
7542     data &= ~BIT(9);
7543     ocp_reg_write(tp, 0xa428, data);
7544     data = ocp_reg_read(tp, 0xa5ea);
7545     data &= ~BIT(0);
7546     ocp_reg_write(tp, 0xa5ea, data);
7547     tp->ups_info.lite_mode = 0;
7548 
7549     if (tp->eee_en)
7550         rtl_eee_enable(tp, true);
7551 
7552     r8153_aldps_en(tp, true);
7553     r8152b_enable_fc(tp);
7554     r8153_u2p3en(tp, true);
7555 
7556     set_bit(PHY_RESET, &tp->flags);
7557 }
7558 
7559 static void r8156b_hw_phy_cfg(struct r8152 *tp)
7560 {
7561     u32 ocp_data;
7562     u16 data;
7563 
7564     switch (tp->version) {
7565     case RTL_VER_12:
7566         ocp_reg_write(tp, 0xbf86, 0x9000);
7567         data = ocp_reg_read(tp, 0xc402);
7568         data |= BIT(10);
7569         ocp_reg_write(tp, 0xc402, data);
7570         data &= ~BIT(10);
7571         ocp_reg_write(tp, 0xc402, data);
7572         ocp_reg_write(tp, 0xbd86, 0x1010);
7573         ocp_reg_write(tp, 0xbd88, 0x1010);
7574         data = ocp_reg_read(tp, 0xbd4e);
7575         data &= ~(BIT(10) | BIT(11));
7576         data |= BIT(11);
7577         ocp_reg_write(tp, 0xbd4e, data);
7578         data = ocp_reg_read(tp, 0xbf46);
7579         data &= ~0xf00;
7580         data |= 0x700;
7581         ocp_reg_write(tp, 0xbf46, data);
7582         break;
7583     case RTL_VER_13:
7584     case RTL_VER_15:
7585         r8156b_wait_loading_flash(tp);
7586         break;
7587     default:
7588         break;
7589     }
7590 
7591     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
7592     if (ocp_data & PCUT_STATUS) {
7593         ocp_data &= ~PCUT_STATUS;
7594         ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
7595     }
7596 
7597     data = r8153_phy_status(tp, 0);
7598     switch (data) {
7599     case PHY_STAT_EXT_INIT:
7600         rtl8152_apply_firmware(tp, true);
7601 
7602         data = ocp_reg_read(tp, 0xa466);
7603         data &= ~BIT(0);
7604         ocp_reg_write(tp, 0xa466, data);
7605 
7606         data = ocp_reg_read(tp, 0xa468);
7607         data &= ~(BIT(3) | BIT(1));
7608         ocp_reg_write(tp, 0xa468, data);
7609         break;
7610     case PHY_STAT_LAN_ON:
7611     case PHY_STAT_PWRDN:
7612     default:
7613         rtl8152_apply_firmware(tp, false);
7614         break;
7615     }
7616 
7617     data = r8152_mdio_read(tp, MII_BMCR);
7618     if (data & BMCR_PDOWN) {
7619         data &= ~BMCR_PDOWN;
7620         r8152_mdio_write(tp, MII_BMCR, data);
7621     }
7622 
7623     /* disable ALDPS before updating the PHY parameters */
7624     r8153_aldps_en(tp, false);
7625 
7626     /* disable EEE before updating the PHY parameters */
7627     rtl_eee_enable(tp, false);
7628 
7629     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
7630     WARN_ON_ONCE(data != PHY_STAT_LAN_ON);
7631 
7632     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
7633     ocp_data |= PFM_PWM_SWITCH;
7634     ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
7635 
7636     switch (tp->version) {
7637     case RTL_VER_12:
7638         data = ocp_reg_read(tp, 0xbc08);
7639         data |= BIT(3) | BIT(2);
7640         ocp_reg_write(tp, 0xbc08, data);
7641 
7642         data = sram_read(tp, 0x8fff);
7643         data &= ~0xff00;
7644         data |= 0x0400;
7645         sram_write(tp, 0x8fff, data);
7646 
7647         data = ocp_reg_read(tp, 0xacda);
7648         data |= 0xff00;
7649         ocp_reg_write(tp, 0xacda, data);
7650         data = ocp_reg_read(tp, 0xacde);
7651         data |= 0xf000;
7652         ocp_reg_write(tp, 0xacde, data);
7653         ocp_reg_write(tp, 0xac8c, 0x0ffc);
7654         ocp_reg_write(tp, 0xac46, 0xb7b4);
7655         ocp_reg_write(tp, 0xac50, 0x0fbc);
7656         ocp_reg_write(tp, 0xac3c, 0x9240);
7657         ocp_reg_write(tp, 0xac4e, 0x0db4);
7658         ocp_reg_write(tp, 0xacc6, 0x0707);
7659         ocp_reg_write(tp, 0xacc8, 0xa0d3);
7660         ocp_reg_write(tp, 0xad08, 0x0007);
7661 
7662         ocp_reg_write(tp, 0xb87c, 0x8560);
7663         ocp_reg_write(tp, 0xb87e, 0x19cc);
7664         ocp_reg_write(tp, 0xb87c, 0x8562);
7665         ocp_reg_write(tp, 0xb87e, 0x19cc);
7666         ocp_reg_write(tp, 0xb87c, 0x8564);
7667         ocp_reg_write(tp, 0xb87e, 0x19cc);
7668         ocp_reg_write(tp, 0xb87c, 0x8566);
7669         ocp_reg_write(tp, 0xb87e, 0x147d);
7670         ocp_reg_write(tp, 0xb87c, 0x8568);
7671         ocp_reg_write(tp, 0xb87e, 0x147d);
7672         ocp_reg_write(tp, 0xb87c, 0x856a);
7673         ocp_reg_write(tp, 0xb87e, 0x147d);
7674         ocp_reg_write(tp, 0xb87c, 0x8ffe);
7675         ocp_reg_write(tp, 0xb87e, 0x0907);
7676         ocp_reg_write(tp, 0xb87c, 0x80d6);
7677         ocp_reg_write(tp, 0xb87e, 0x2801);
7678         ocp_reg_write(tp, 0xb87c, 0x80f2);
7679         ocp_reg_write(tp, 0xb87e, 0x2801);
7680         ocp_reg_write(tp, 0xb87c, 0x80f4);
7681         ocp_reg_write(tp, 0xb87e, 0x6077);
7682         ocp_reg_write(tp, 0xb506, 0x01e7);
7683 
7684         ocp_reg_write(tp, 0xb87c, 0x8013);
7685         ocp_reg_write(tp, 0xb87e, 0x0700);
7686         ocp_reg_write(tp, 0xb87c, 0x8fb9);
7687         ocp_reg_write(tp, 0xb87e, 0x2801);
7688         ocp_reg_write(tp, 0xb87c, 0x8fba);
7689         ocp_reg_write(tp, 0xb87e, 0x0100);
7690         ocp_reg_write(tp, 0xb87c, 0x8fbc);
7691         ocp_reg_write(tp, 0xb87e, 0x1900);
7692         ocp_reg_write(tp, 0xb87c, 0x8fbe);
7693         ocp_reg_write(tp, 0xb87e, 0xe100);
7694         ocp_reg_write(tp, 0xb87c, 0x8fc0);
7695         ocp_reg_write(tp, 0xb87e, 0x0800);
7696         ocp_reg_write(tp, 0xb87c, 0x8fc2);
7697         ocp_reg_write(tp, 0xb87e, 0xe500);
7698         ocp_reg_write(tp, 0xb87c, 0x8fc4);
7699         ocp_reg_write(tp, 0xb87e, 0x0f00);
7700         ocp_reg_write(tp, 0xb87c, 0x8fc6);
7701         ocp_reg_write(tp, 0xb87e, 0xf100);
7702         ocp_reg_write(tp, 0xb87c, 0x8fc8);
7703         ocp_reg_write(tp, 0xb87e, 0x0400);
7704         ocp_reg_write(tp, 0xb87c, 0x8fca);
7705         ocp_reg_write(tp, 0xb87e, 0xf300);
7706         ocp_reg_write(tp, 0xb87c, 0x8fcc);
7707         ocp_reg_write(tp, 0xb87e, 0xfd00);
7708         ocp_reg_write(tp, 0xb87c, 0x8fce);
7709         ocp_reg_write(tp, 0xb87e, 0xff00);
7710         ocp_reg_write(tp, 0xb87c, 0x8fd0);
7711         ocp_reg_write(tp, 0xb87e, 0xfb00);
7712         ocp_reg_write(tp, 0xb87c, 0x8fd2);
7713         ocp_reg_write(tp, 0xb87e, 0x0100);
7714         ocp_reg_write(tp, 0xb87c, 0x8fd4);
7715         ocp_reg_write(tp, 0xb87e, 0xf400);
7716         ocp_reg_write(tp, 0xb87c, 0x8fd6);
7717         ocp_reg_write(tp, 0xb87e, 0xff00);
7718         ocp_reg_write(tp, 0xb87c, 0x8fd8);
7719         ocp_reg_write(tp, 0xb87e, 0xf600);
7720 
7721         ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_USB_CFG);
7722         ocp_data |= EN_XG_LIP | EN_G_LIP;
7723         ocp_write_byte(tp, MCU_TYPE_PLA, PLA_USB_CFG, ocp_data);
7724         ocp_reg_write(tp, 0xb87c, 0x813d);
7725         ocp_reg_write(tp, 0xb87e, 0x390e);
7726         ocp_reg_write(tp, 0xb87c, 0x814f);
7727         ocp_reg_write(tp, 0xb87e, 0x790e);
7728         ocp_reg_write(tp, 0xb87c, 0x80b0);
7729         ocp_reg_write(tp, 0xb87e, 0x0f31);
7730         data = ocp_reg_read(tp, 0xbf4c);
7731         data |= BIT(1);
7732         ocp_reg_write(tp, 0xbf4c, data);
7733         data = ocp_reg_read(tp, 0xbcca);
7734         data |= BIT(9) | BIT(8);
7735         ocp_reg_write(tp, 0xbcca, data);
7736         ocp_reg_write(tp, 0xb87c, 0x8141);
7737         ocp_reg_write(tp, 0xb87e, 0x320e);
7738         ocp_reg_write(tp, 0xb87c, 0x8153);
7739         ocp_reg_write(tp, 0xb87e, 0x720e);
7740         ocp_reg_write(tp, 0xb87c, 0x8529);
7741         ocp_reg_write(tp, 0xb87e, 0x050e);
7742         data = ocp_reg_read(tp, OCP_EEE_CFG);
7743         data &= ~CTAP_SHORT_EN;
7744         ocp_reg_write(tp, OCP_EEE_CFG, data);
7745 
7746         sram_write(tp, 0x816c, 0xc4a0);
7747         sram_write(tp, 0x8170, 0xc4a0);
7748         sram_write(tp, 0x8174, 0x04a0);
7749         sram_write(tp, 0x8178, 0x04a0);
7750         sram_write(tp, 0x817c, 0x0719);
7751         sram_write(tp, 0x8ff4, 0x0400);
7752         sram_write(tp, 0x8ff1, 0x0404);
7753 
7754         ocp_reg_write(tp, 0xbf4a, 0x001b);
7755         ocp_reg_write(tp, 0xb87c, 0x8033);
7756         ocp_reg_write(tp, 0xb87e, 0x7c13);
7757         ocp_reg_write(tp, 0xb87c, 0x8037);
7758         ocp_reg_write(tp, 0xb87e, 0x7c13);
7759         ocp_reg_write(tp, 0xb87c, 0x803b);
7760         ocp_reg_write(tp, 0xb87e, 0xfc32);
7761         ocp_reg_write(tp, 0xb87c, 0x803f);
7762         ocp_reg_write(tp, 0xb87e, 0x7c13);
7763         ocp_reg_write(tp, 0xb87c, 0x8043);
7764         ocp_reg_write(tp, 0xb87e, 0x7c13);
7765         ocp_reg_write(tp, 0xb87c, 0x8047);
7766         ocp_reg_write(tp, 0xb87e, 0x7c13);
7767 
7768         ocp_reg_write(tp, 0xb87c, 0x8145);
7769         ocp_reg_write(tp, 0xb87e, 0x370e);
7770         ocp_reg_write(tp, 0xb87c, 0x8157);
7771         ocp_reg_write(tp, 0xb87e, 0x770e);
7772         ocp_reg_write(tp, 0xb87c, 0x8169);
7773         ocp_reg_write(tp, 0xb87e, 0x0d0a);
7774         ocp_reg_write(tp, 0xb87c, 0x817b);
7775         ocp_reg_write(tp, 0xb87e, 0x1d0a);
7776 
7777         data = sram_read(tp, 0x8217);
7778         data &= ~0xff00;
7779         data |= 0x5000;
7780         sram_write(tp, 0x8217, data);
7781         data = sram_read(tp, 0x821a);
7782         data &= ~0xff00;
7783         data |= 0x5000;
7784         sram_write(tp, 0x821a, data);
7785         sram_write(tp, 0x80da, 0x0403);
7786         data = sram_read(tp, 0x80dc);
7787         data &= ~0xff00;
7788         data |= 0x1000;
7789         sram_write(tp, 0x80dc, data);
7790         sram_write(tp, 0x80b3, 0x0384);
7791         sram_write(tp, 0x80b7, 0x2007);
7792         data = sram_read(tp, 0x80ba);
7793         data &= ~0xff00;
7794         data |= 0x6c00;
7795         sram_write(tp, 0x80ba, data);
7796         sram_write(tp, 0x80b5, 0xf009);
7797         data = sram_read(tp, 0x80bd);
7798         data &= ~0xff00;
7799         data |= 0x9f00;
7800         sram_write(tp, 0x80bd, data);
7801         sram_write(tp, 0x80c7, 0xf083);
7802         sram_write(tp, 0x80dd, 0x03f0);
7803         data = sram_read(tp, 0x80df);
7804         data &= ~0xff00;
7805         data |= 0x1000;
7806         sram_write(tp, 0x80df, data);
7807         sram_write(tp, 0x80cb, 0x2007);
7808         data = sram_read(tp, 0x80ce);
7809         data &= ~0xff00;
7810         data |= 0x6c00;
7811         sram_write(tp, 0x80ce, data);
7812         sram_write(tp, 0x80c9, 0x8009);
7813         data = sram_read(tp, 0x80d1);
7814         data &= ~0xff00;
7815         data |= 0x8000;
7816         sram_write(tp, 0x80d1, data);
7817         sram_write(tp, 0x80a3, 0x200a);
7818         sram_write(tp, 0x80a5, 0xf0ad);
7819         sram_write(tp, 0x809f, 0x6073);
7820         sram_write(tp, 0x80a1, 0x000b);
7821         data = sram_read(tp, 0x80a9);
7822         data &= ~0xff00;
7823         data |= 0xc000;
7824         sram_write(tp, 0x80a9, data);
7825 
7826         if (rtl_phy_patch_request(tp, true, true))
7827             return;
7828 
7829         data = ocp_reg_read(tp, 0xb896);
7830         data &= ~BIT(0);
7831         ocp_reg_write(tp, 0xb896, data);
7832         data = ocp_reg_read(tp, 0xb892);
7833         data &= ~0xff00;
7834         ocp_reg_write(tp, 0xb892, data);
7835         ocp_reg_write(tp, 0xb88e, 0xc23e);
7836         ocp_reg_write(tp, 0xb890, 0x0000);
7837         ocp_reg_write(tp, 0xb88e, 0xc240);
7838         ocp_reg_write(tp, 0xb890, 0x0103);
7839         ocp_reg_write(tp, 0xb88e, 0xc242);
7840         ocp_reg_write(tp, 0xb890, 0x0507);
7841         ocp_reg_write(tp, 0xb88e, 0xc244);
7842         ocp_reg_write(tp, 0xb890, 0x090b);
7843         ocp_reg_write(tp, 0xb88e, 0xc246);
7844         ocp_reg_write(tp, 0xb890, 0x0c0e);
7845         ocp_reg_write(tp, 0xb88e, 0xc248);
7846         ocp_reg_write(tp, 0xb890, 0x1012);
7847         ocp_reg_write(tp, 0xb88e, 0xc24a);
7848         ocp_reg_write(tp, 0xb890, 0x1416);
7849         data = ocp_reg_read(tp, 0xb896);
7850         data |= BIT(0);
7851         ocp_reg_write(tp, 0xb896, data);
7852 
7853         rtl_phy_patch_request(tp, false, true);
7854 
7855         data = ocp_reg_read(tp, 0xa86a);
7856         data |= BIT(0);
7857         ocp_reg_write(tp, 0xa86a, data);
7858         data = ocp_reg_read(tp, 0xa6f0);
7859         data |= BIT(0);
7860         ocp_reg_write(tp, 0xa6f0, data);
7861 
7862         ocp_reg_write(tp, 0xbfa0, 0xd70d);
7863         ocp_reg_write(tp, 0xbfa2, 0x4100);
7864         ocp_reg_write(tp, 0xbfa4, 0xe868);
7865         ocp_reg_write(tp, 0xbfa6, 0xdc59);
7866         ocp_reg_write(tp, 0xb54c, 0x3c18);
7867         data = ocp_reg_read(tp, 0xbfa4);
7868         data &= ~BIT(5);
7869         ocp_reg_write(tp, 0xbfa4, data);
7870         data = sram_read(tp, 0x817d);
7871         data |= BIT(12);
7872         sram_write(tp, 0x817d, data);
7873         break;
7874     case RTL_VER_13:
7875         /* 2.5G INRX */
7876         data = ocp_reg_read(tp, 0xac46);
7877         data &= ~0x00f0;
7878         data |= 0x0090;
7879         ocp_reg_write(tp, 0xac46, data);
7880         data = ocp_reg_read(tp, 0xad30);
7881         data &= ~0x0003;
7882         data |= 0x0001;
7883         ocp_reg_write(tp, 0xad30, data);
7884         fallthrough;
7885     case RTL_VER_15:
7886         /* EEE parameter */
7887         ocp_reg_write(tp, 0xb87c, 0x80f5);
7888         ocp_reg_write(tp, 0xb87e, 0x760e);
7889         ocp_reg_write(tp, 0xb87c, 0x8107);
7890         ocp_reg_write(tp, 0xb87e, 0x360e);
7891         ocp_reg_write(tp, 0xb87c, 0x8551);
7892         data = ocp_reg_read(tp, 0xb87e);
7893         data &= ~0xff00;
7894         data |= 0x0800;
7895         ocp_reg_write(tp, 0xb87e, data);
7896 
7897         /* ADC_PGA parameter */
7898         data = ocp_reg_read(tp, 0xbf00);
7899         data &= ~0xe000;
7900         data |= 0xa000;
7901         ocp_reg_write(tp, 0xbf00, data);
7902         data = ocp_reg_read(tp, 0xbf46);
7903         data &= ~0x0f00;
7904         data |= 0x0300;
7905         ocp_reg_write(tp, 0xbf46, data);
7906 
7907         /* Green Table-PGA, 1G full viterbi */
7908         sram_write(tp, 0x8044, 0x2417);
7909         sram_write(tp, 0x804a, 0x2417);
7910         sram_write(tp, 0x8050, 0x2417);
7911         sram_write(tp, 0x8056, 0x2417);
7912         sram_write(tp, 0x805c, 0x2417);
7913         sram_write(tp, 0x8062, 0x2417);
7914         sram_write(tp, 0x8068, 0x2417);
7915         sram_write(tp, 0x806e, 0x2417);
7916         sram_write(tp, 0x8074, 0x2417);
7917         sram_write(tp, 0x807a, 0x2417);
7918 
7919         /* XG PLL */
7920         data = ocp_reg_read(tp, 0xbf84);
7921         data &= ~0xe000;
7922         data |= 0xa000;
7923         ocp_reg_write(tp, 0xbf84, data);
7924         break;
7925     default:
7926         break;
7927     }
7928 
7929     if (rtl_phy_patch_request(tp, true, true))
7930         return;
7931 
7932     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4);
7933     ocp_data |= EEE_SPDWN_EN;
7934     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, ocp_data);
7935 
7936     data = ocp_reg_read(tp, OCP_DOWN_SPEED);
7937     data &= ~(EN_EEE_100 | EN_EEE_1000);
7938     data |= EN_10M_CLKDIV;
7939     ocp_reg_write(tp, OCP_DOWN_SPEED, data);
7940     tp->ups_info._10m_ckdiv = true;
7941     tp->ups_info.eee_plloff_100 = false;
7942     tp->ups_info.eee_plloff_giga = false;
7943 
7944     data = ocp_reg_read(tp, OCP_POWER_CFG);
7945     data &= ~EEE_CLKDIV_EN;
7946     ocp_reg_write(tp, OCP_POWER_CFG, data);
7947     tp->ups_info.eee_ckdiv = false;
7948 
7949     rtl_phy_patch_request(tp, false, true);
7950 
7951     rtl_green_en(tp, test_bit(GREEN_ETHERNET, &tp->flags));
7952 
7953     data = ocp_reg_read(tp, 0xa428);
7954     data &= ~BIT(9);
7955     ocp_reg_write(tp, 0xa428, data);
7956     data = ocp_reg_read(tp, 0xa5ea);
7957     data &= ~BIT(0);
7958     ocp_reg_write(tp, 0xa5ea, data);
7959     tp->ups_info.lite_mode = 0;
7960 
7961     if (tp->eee_en)
7962         rtl_eee_enable(tp, true);
7963 
7964     r8153_aldps_en(tp, true);
7965     r8152b_enable_fc(tp);
7966     r8153_u2p3en(tp, true);
7967 
7968     set_bit(PHY_RESET, &tp->flags);
7969 }
7970 
7971 static void r8156_init(struct r8152 *tp)
7972 {
7973     u32 ocp_data;
7974     u16 data;
7975     int i;
7976 
7977     if (test_bit(RTL8152_UNPLUG, &tp->flags))
7978         return;
7979 
7980     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_ECM_OP);
7981     ocp_data &= ~EN_ALL_SPEED;
7982     ocp_write_byte(tp, MCU_TYPE_USB, USB_ECM_OP, ocp_data);
7983 
7984     ocp_write_word(tp, MCU_TYPE_USB, USB_SPEED_OPTION, 0);
7985 
7986     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_ECM_OPTION);
7987     ocp_data |= BYPASS_MAC_RESET;
7988     ocp_write_word(tp, MCU_TYPE_USB, USB_ECM_OPTION, ocp_data);
7989 
7990     r8153b_u1u2en(tp, false);
7991 
7992     for (i = 0; i < 500; i++) {
7993         if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
7994             AUTOLOAD_DONE)
7995             break;
7996 
7997         msleep(20);
7998         if (test_bit(RTL8152_UNPLUG, &tp->flags))
7999             return;
8000     }
8001 
8002     data = r8153_phy_status(tp, 0);
8003     if (data == PHY_STAT_EXT_INIT) {
8004         data = ocp_reg_read(tp, 0xa468);
8005         data &= ~(BIT(3) | BIT(1));
8006         ocp_reg_write(tp, 0xa468, data);
8007     }
8008 
8009     data = r8152_mdio_read(tp, MII_BMCR);
8010     if (data & BMCR_PDOWN) {
8011         data &= ~BMCR_PDOWN;
8012         r8152_mdio_write(tp, MII_BMCR, data);
8013     }
8014 
8015     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
8016     WARN_ON_ONCE(data != PHY_STAT_LAN_ON);
8017 
8018     r8153_u2p3en(tp, false);
8019 
8020     /* MSC timer = 0xfff * 8ms = 32760 ms */
8021     ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
8022 
8023     /* U1/U2/L1 idle timer. 500 us */
8024     ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
8025 
8026     r8153b_power_cut_en(tp, false);
8027     r8156_ups_en(tp, false);
8028     r8153_queue_wake(tp, false);
8029     rtl_runtime_suspend_enable(tp, false);
8030 
8031     if (tp->udev->speed >= USB_SPEED_SUPER)
8032         r8153b_u1u2en(tp, true);
8033 
8034     usb_enable_lpm(tp->udev);
8035 
8036     r8156_mac_clk_spd(tp, true);
8037 
8038     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
8039     ocp_data &= ~PLA_MCU_SPDWN_EN;
8040     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
8041 
8042     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
8043     if (rtl8152_get_speed(tp) & LINK_STATUS)
8044         ocp_data |= CUR_LINK_OK;
8045     else
8046         ocp_data &= ~CUR_LINK_OK;
8047     ocp_data |= POLL_LINK_CHG;
8048     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
8049 
8050     set_bit(GREEN_ETHERNET, &tp->flags);
8051 
8052     /* rx aggregation */
8053     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
8054     ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
8055     ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
8056 
8057     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_CONFIG);
8058     ocp_data |= ACT_ODMA;
8059     ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_CONFIG, ocp_data);
8060 
8061     r8156_mdio_force_mode(tp);
8062     rtl_tally_reset(tp);
8063 
8064     tp->coalesce = 15000;   /* 15 us */
8065 }
8066 
8067 static void r8156b_init(struct r8152 *tp)
8068 {
8069     u32 ocp_data;
8070     u16 data;
8071     int i;
8072 
8073     if (test_bit(RTL8152_UNPLUG, &tp->flags))
8074         return;
8075 
8076     ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_ECM_OP);
8077     ocp_data &= ~EN_ALL_SPEED;
8078     ocp_write_byte(tp, MCU_TYPE_USB, USB_ECM_OP, ocp_data);
8079 
8080     ocp_write_word(tp, MCU_TYPE_USB, USB_SPEED_OPTION, 0);
8081 
8082     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_ECM_OPTION);
8083     ocp_data |= BYPASS_MAC_RESET;
8084     ocp_write_word(tp, MCU_TYPE_USB, USB_ECM_OPTION, ocp_data);
8085 
8086     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
8087     ocp_data |= RX_DETECT8;
8088     ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
8089 
8090     r8153b_u1u2en(tp, false);
8091 
8092     switch (tp->version) {
8093     case RTL_VER_13:
8094     case RTL_VER_15:
8095         r8156b_wait_loading_flash(tp);
8096         break;
8097     default:
8098         break;
8099     }
8100 
8101     for (i = 0; i < 500; i++) {
8102         if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) &
8103             AUTOLOAD_DONE)
8104             break;
8105 
8106         msleep(20);
8107         if (test_bit(RTL8152_UNPLUG, &tp->flags))
8108             return;
8109     }
8110 
8111     data = r8153_phy_status(tp, 0);
8112     if (data == PHY_STAT_EXT_INIT) {
8113         data = ocp_reg_read(tp, 0xa468);
8114         data &= ~(BIT(3) | BIT(1));
8115         ocp_reg_write(tp, 0xa468, data);
8116 
8117         data = ocp_reg_read(tp, 0xa466);
8118         data &= ~BIT(0);
8119         ocp_reg_write(tp, 0xa466, data);
8120     }
8121 
8122     data = r8152_mdio_read(tp, MII_BMCR);
8123     if (data & BMCR_PDOWN) {
8124         data &= ~BMCR_PDOWN;
8125         r8152_mdio_write(tp, MII_BMCR, data);
8126     }
8127 
8128     data = r8153_phy_status(tp, PHY_STAT_LAN_ON);
8129 
8130     r8153_u2p3en(tp, false);
8131 
8132     /* MSC timer = 0xfff * 8ms = 32760 ms */
8133     ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
8134 
8135     /* U1/U2/L1 idle timer. 500 us */
8136     ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
8137 
8138     r8153b_power_cut_en(tp, false);
8139     r8156_ups_en(tp, false);
8140     r8153_queue_wake(tp, false);
8141     rtl_runtime_suspend_enable(tp, false);
8142 
8143     if (tp->udev->speed >= USB_SPEED_SUPER)
8144         r8153b_u1u2en(tp, true);
8145 
8146     usb_enable_lpm(tp->udev);
8147 
8148     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RCR);
8149     ocp_data &= ~SLOT_EN;
8150     ocp_write_word(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
8151 
8152     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
8153     ocp_data |= FLOW_CTRL_EN;
8154     ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
8155 
8156     /* enable fc timer and set timer to 600 ms. */
8157     ocp_write_word(tp, MCU_TYPE_USB, USB_FC_TIMER,
8158                CTRL_TIMER_EN | (600 / 8));
8159 
8160     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_CTRL);
8161     if (!(ocp_read_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL) & DACK_DET_EN))
8162         ocp_data |= FLOW_CTRL_PATCH_2;
8163     ocp_data &= ~AUTO_SPEEDUP;
8164     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_CTRL, ocp_data);
8165 
8166     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
8167     ocp_data |= FC_PATCH_TASK;
8168     ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
8169 
8170     r8156_mac_clk_spd(tp, true);
8171 
8172     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
8173     ocp_data &= ~PLA_MCU_SPDWN_EN;
8174     ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
8175 
8176     ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
8177     if (rtl8152_get_speed(tp) & LINK_STATUS)
8178         ocp_data |= CUR_LINK_OK;
8179     else
8180         ocp_data &= ~CUR_LINK_OK;
8181     ocp_data |= POLL_LINK_CHG;
8182     ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
8183 
8184     set_bit(GREEN_ETHERNET, &tp->flags);
8185 
8186     /* rx aggregation */
8187     ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
8188     ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
8189     ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
8190 
8191     r8156_mdio_force_mode(tp);
8192     rtl_tally_reset(tp);
8193 
8194     tp->coalesce = 15000;   /* 15 us */
8195 }
8196 
8197 static bool rtl_check_vendor_ok(struct usb_interface *intf)
8198 {
8199     struct usb_host_interface *alt = intf->cur_altsetting;
8200     struct usb_endpoint_descriptor *in, *out, *intr;
8201 
8202     if (usb_find_common_endpoints(alt, &in, &out, &intr, NULL) < 0) {
8203         dev_err(&intf->dev, "Expected endpoints are not found\n");
8204         return false;
8205     }
8206 
8207     /* Check Rx endpoint address */
8208     if (usb_endpoint_num(in) != 1) {
8209         dev_err(&intf->dev, "Invalid Rx endpoint address\n");
8210         return false;
8211     }
8212 
8213     /* Check Tx endpoint address */
8214     if (usb_endpoint_num(out) != 2) {
8215         dev_err(&intf->dev, "Invalid Tx endpoint address\n");
8216         return false;
8217     }
8218 
8219     /* Check interrupt endpoint address */
8220     if (usb_endpoint_num(intr) != 3) {
8221         dev_err(&intf->dev, "Invalid interrupt endpoint address\n");
8222         return false;
8223     }
8224 
8225     return true;
8226 }
8227 
8228 static bool rtl_vendor_mode(struct usb_interface *intf)
8229 {
8230     struct usb_host_interface *alt = intf->cur_altsetting;
8231     struct usb_device *udev;
8232     struct usb_host_config *c;
8233     int i, num_configs;
8234 
8235     if (alt->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC)
8236         return rtl_check_vendor_ok(intf);
8237 
8238     /* The vendor mode is not always config #1, so to find it out. */
8239     udev = interface_to_usbdev(intf);
8240     c = udev->config;
8241     num_configs = udev->descriptor.bNumConfigurations;
8242     if (num_configs < 2)
8243         return false;
8244 
8245     for (i = 0; i < num_configs; (i++, c++)) {
8246         struct usb_interface_descriptor *desc = NULL;
8247 
8248         if (c->desc.bNumInterfaces > 0)
8249             desc = &c->intf_cache[0]->altsetting->desc;
8250         else
8251             continue;
8252 
8253         if (desc->bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
8254             usb_driver_set_configuration(udev, c->desc.bConfigurationValue);
8255             break;
8256         }
8257     }
8258 
8259     if (i == num_configs)
8260         dev_err(&intf->dev, "Unexpected Device\n");
8261 
8262     return false;
8263 }
8264 
8265 static int rtl8152_pre_reset(struct usb_interface *intf)
8266 {
8267     struct r8152 *tp = usb_get_intfdata(intf);
8268     struct net_device *netdev;
8269 
8270     if (!tp)
8271         return 0;
8272 
8273     netdev = tp->netdev;
8274     if (!netif_running(netdev))
8275         return 0;
8276 
8277     netif_stop_queue(netdev);
8278     tasklet_disable(&tp->tx_tl);
8279     clear_bit(WORK_ENABLE, &tp->flags);
8280     usb_kill_urb(tp->intr_urb);
8281     cancel_delayed_work_sync(&tp->schedule);
8282     napi_disable(&tp->napi);
8283     if (netif_carrier_ok(netdev)) {
8284         mutex_lock(&tp->control);
8285         tp->rtl_ops.disable(tp);
8286         mutex_unlock(&tp->control);
8287     }
8288 
8289     return 0;
8290 }
8291 
8292 static int rtl8152_post_reset(struct usb_interface *intf)
8293 {
8294     struct r8152 *tp = usb_get_intfdata(intf);
8295     struct net_device *netdev;
8296     struct sockaddr sa;
8297 
8298     if (!tp)
8299         return 0;
8300 
8301     /* reset the MAC address in case of policy change */
8302     if (determine_ethernet_addr(tp, &sa) >= 0) {
8303         rtnl_lock();
8304         dev_set_mac_address (tp->netdev, &sa, NULL);
8305         rtnl_unlock();
8306     }
8307 
8308     netdev = tp->netdev;
8309     if (!netif_running(netdev))
8310         return 0;
8311 
8312     set_bit(WORK_ENABLE, &tp->flags);
8313     if (netif_carrier_ok(netdev)) {
8314         mutex_lock(&tp->control);
8315         tp->rtl_ops.enable(tp);
8316         rtl_start_rx(tp);
8317         _rtl8152_set_rx_mode(netdev);
8318         mutex_unlock(&tp->control);
8319     }
8320 
8321     napi_enable(&tp->napi);
8322     tasklet_enable(&tp->tx_tl);
8323     netif_wake_queue(netdev);
8324     usb_submit_urb(tp->intr_urb, GFP_KERNEL);
8325 
8326     if (!list_empty(&tp->rx_done))
8327         napi_schedule(&tp->napi);
8328 
8329     return 0;
8330 }
8331 
8332 static bool delay_autosuspend(struct r8152 *tp)
8333 {
8334     bool sw_linking = !!netif_carrier_ok(tp->netdev);
8335     bool hw_linking = !!(rtl8152_get_speed(tp) & LINK_STATUS);
8336 
8337     /* This means a linking change occurs and the driver doesn't detect it,
8338      * yet. If the driver has disabled tx/rx and hw is linking on, the
8339      * device wouldn't wake up by receiving any packet.
8340      */
8341     if (work_busy(&tp->schedule.work) || sw_linking != hw_linking)
8342         return true;
8343 
8344     /* If the linking down is occurred by nway, the device may miss the
8345      * linking change event. And it wouldn't wake when linking on.
8346      */
8347     if (!sw_linking && tp->rtl_ops.in_nway(tp))
8348         return true;
8349     else if (!skb_queue_empty(&tp->tx_queue))
8350         return true;
8351     else
8352         return false;
8353 }
8354 
8355 static int rtl8152_runtime_resume(struct r8152 *tp)
8356 {
8357     struct net_device *netdev = tp->netdev;
8358 
8359     if (netif_running(netdev) && netdev->flags & IFF_UP) {
8360         struct napi_struct *napi = &tp->napi;
8361 
8362         tp->rtl_ops.autosuspend_en(tp, false);
8363         napi_disable(napi);
8364         set_bit(WORK_ENABLE, &tp->flags);
8365 
8366         if (netif_carrier_ok(netdev)) {
8367             if (rtl8152_get_speed(tp) & LINK_STATUS) {
8368                 rtl_start_rx(tp);
8369             } else {
8370                 netif_carrier_off(netdev);
8371                 tp->rtl_ops.disable(tp);
8372                 netif_info(tp, link, netdev, "linking down\n");
8373             }
8374         }
8375 
8376         napi_enable(napi);
8377         clear_bit(SELECTIVE_SUSPEND, &tp->flags);
8378         smp_mb__after_atomic();
8379 
8380         if (!list_empty(&tp->rx_done))
8381             napi_schedule(&tp->napi);
8382 
8383         usb_submit_urb(tp->intr_urb, GFP_NOIO);
8384     } else {
8385         if (netdev->flags & IFF_UP)
8386             tp->rtl_ops.autosuspend_en(tp, false);
8387 
8388         clear_bit(SELECTIVE_SUSPEND, &tp->flags);
8389     }
8390 
8391     return 0;
8392 }
8393 
8394 static int rtl8152_system_resume(struct r8152 *tp)
8395 {
8396     struct net_device *netdev = tp->netdev;
8397 
8398     netif_device_attach(netdev);
8399 
8400     if (netif_running(netdev) && (netdev->flags & IFF_UP)) {
8401         tp->rtl_ops.up(tp);
8402         netif_carrier_off(netdev);
8403         set_bit(WORK_ENABLE, &tp->flags);
8404         usb_submit_urb(tp->intr_urb, GFP_NOIO);
8405     }
8406 
8407     return 0;
8408 }
8409 
8410 static int rtl8152_runtime_suspend(struct r8152 *tp)
8411 {
8412     struct net_device *netdev = tp->netdev;
8413     int ret = 0;
8414 
8415     if (!tp->rtl_ops.autosuspend_en)
8416         return -EBUSY;
8417 
8418     set_bit(SELECTIVE_SUSPEND, &tp->flags);
8419     smp_mb__after_atomic();
8420 
8421     if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
8422         u32 rcr = 0;
8423 
8424         if (netif_carrier_ok(netdev)) {
8425             u32 ocp_data;
8426 
8427             rcr = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
8428             ocp_data = rcr & ~RCR_ACPT_ALL;
8429             ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
8430             rxdy_gated_en(tp, true);
8431             ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA,
8432                          PLA_OOB_CTRL);
8433             if (!(ocp_data & RXFIFO_EMPTY)) {
8434                 rxdy_gated_en(tp, false);
8435                 ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
8436                 clear_bit(SELECTIVE_SUSPEND, &tp->flags);
8437                 smp_mb__after_atomic();
8438                 ret = -EBUSY;
8439                 goto out1;
8440             }
8441         }
8442 
8443         clear_bit(WORK_ENABLE, &tp->flags);
8444         usb_kill_urb(tp->intr_urb);
8445 
8446         tp->rtl_ops.autosuspend_en(tp, true);
8447 
8448         if (netif_carrier_ok(netdev)) {
8449             struct napi_struct *napi = &tp->napi;
8450 
8451             napi_disable(napi);
8452             rtl_stop_rx(tp);
8453             rxdy_gated_en(tp, false);
8454             ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, rcr);
8455             napi_enable(napi);
8456         }
8457 
8458         if (delay_autosuspend(tp)) {
8459             rtl8152_runtime_resume(tp);
8460             ret = -EBUSY;
8461         }
8462     }
8463 
8464 out1:
8465     return ret;
8466 }
8467 
8468 static int rtl8152_system_suspend(struct r8152 *tp)
8469 {
8470     struct net_device *netdev = tp->netdev;
8471 
8472     netif_device_detach(netdev);
8473 
8474     if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
8475         struct napi_struct *napi = &tp->napi;
8476 
8477         clear_bit(WORK_ENABLE, &tp->flags);
8478         usb_kill_urb(tp->intr_urb);
8479         tasklet_disable(&tp->tx_tl);
8480         napi_disable(napi);
8481         cancel_delayed_work_sync(&tp->schedule);
8482         tp->rtl_ops.down(tp);
8483         napi_enable(napi);
8484         tasklet_enable(&tp->tx_tl);
8485     }
8486 
8487     return 0;
8488 }
8489 
8490 static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
8491 {
8492     struct r8152 *tp = usb_get_intfdata(intf);
8493     int ret;
8494 
8495     mutex_lock(&tp->control);
8496 
8497     if (PMSG_IS_AUTO(message))
8498         ret = rtl8152_runtime_suspend(tp);
8499     else
8500         ret = rtl8152_system_suspend(tp);
8501 
8502     mutex_unlock(&tp->control);
8503 
8504     return ret;
8505 }
8506 
8507 static int rtl8152_resume(struct usb_interface *intf)
8508 {
8509     struct r8152 *tp = usb_get_intfdata(intf);
8510     int ret;
8511 
8512     mutex_lock(&tp->control);
8513 
8514     rtl_reset_ocp_base(tp);
8515 
8516     if (test_bit(SELECTIVE_SUSPEND, &tp->flags))
8517         ret = rtl8152_runtime_resume(tp);
8518     else
8519         ret = rtl8152_system_resume(tp);
8520 
8521     mutex_unlock(&tp->control);
8522 
8523     return ret;
8524 }
8525 
8526 static int rtl8152_reset_resume(struct usb_interface *intf)
8527 {
8528     struct r8152 *tp = usb_get_intfdata(intf);
8529 
8530     clear_bit(SELECTIVE_SUSPEND, &tp->flags);
8531     rtl_reset_ocp_base(tp);
8532     tp->rtl_ops.init(tp);
8533     queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
8534     set_ethernet_addr(tp, true);
8535     return rtl8152_resume(intf);
8536 }
8537 
8538 static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8539 {
8540     struct r8152 *tp = netdev_priv(dev);
8541 
8542     if (usb_autopm_get_interface(tp->intf) < 0)
8543         return;
8544 
8545     if (!rtl_can_wakeup(tp)) {
8546         wol->supported = 0;
8547         wol->wolopts = 0;
8548     } else {
8549         mutex_lock(&tp->control);
8550         wol->supported = WAKE_ANY;
8551         wol->wolopts = __rtl_get_wol(tp);
8552         mutex_unlock(&tp->control);
8553     }
8554 
8555     usb_autopm_put_interface(tp->intf);
8556 }
8557 
8558 static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
8559 {
8560     struct r8152 *tp = netdev_priv(dev);
8561     int ret;
8562 
8563     if (!rtl_can_wakeup(tp))
8564         return -EOPNOTSUPP;
8565 
8566     if (wol->wolopts & ~WAKE_ANY)
8567         return -EINVAL;
8568 
8569     ret = usb_autopm_get_interface(tp->intf);
8570     if (ret < 0)
8571         goto out_set_wol;
8572 
8573     mutex_lock(&tp->control);
8574 
8575     __rtl_set_wol(tp, wol->wolopts);
8576     tp->saved_wolopts = wol->wolopts & WAKE_ANY;
8577 
8578     mutex_unlock(&tp->control);
8579 
8580     usb_autopm_put_interface(tp->intf);
8581 
8582 out_set_wol:
8583     return ret;
8584 }
8585 
8586 static u32 rtl8152_get_msglevel(struct net_device *dev)
8587 {
8588     struct r8152 *tp = netdev_priv(dev);
8589 
8590     return tp->msg_enable;
8591 }
8592 
8593 static void rtl8152_set_msglevel(struct net_device *dev, u32 value)
8594 {
8595     struct r8152 *tp = netdev_priv(dev);
8596 
8597     tp->msg_enable = value;
8598 }
8599 
8600 static void rtl8152_get_drvinfo(struct net_device *netdev,
8601                 struct ethtool_drvinfo *info)
8602 {
8603     struct r8152 *tp = netdev_priv(netdev);
8604 
8605     strlcpy(info->driver, MODULENAME, sizeof(info->driver));
8606     strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
8607     usb_make_path(tp->udev, info->bus_info, sizeof(info->bus_info));
8608     if (!IS_ERR_OR_NULL(tp->rtl_fw.fw))
8609         strlcpy(info->fw_version, tp->rtl_fw.version,
8610             sizeof(info->fw_version));
8611 }
8612 
8613 static
8614 int rtl8152_get_link_ksettings(struct net_device *netdev,
8615                    struct ethtool_link_ksettings *cmd)
8616 {
8617     struct r8152 *tp = netdev_priv(netdev);
8618     int ret;
8619 
8620     if (!tp->mii.mdio_read)
8621         return -EOPNOTSUPP;
8622 
8623     ret = usb_autopm_get_interface(tp->intf);
8624     if (ret < 0)
8625         goto out;
8626 
8627     mutex_lock(&tp->control);
8628 
8629     mii_ethtool_get_link_ksettings(&tp->mii, cmd);
8630 
8631     linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
8632              cmd->link_modes.supported, tp->support_2500full);
8633 
8634     if (tp->support_2500full) {
8635         linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
8636                  cmd->link_modes.advertising,
8637                  ocp_reg_read(tp, OCP_10GBT_CTRL) & MDIO_AN_10GBT_CTRL_ADV2_5G);
8638 
8639         linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
8640                  cmd->link_modes.lp_advertising,
8641                  ocp_reg_read(tp, OCP_10GBT_STAT) & MDIO_AN_10GBT_STAT_LP2_5G);
8642 
8643         if (is_speed_2500(rtl8152_get_speed(tp)))
8644             cmd->base.speed = SPEED_2500;
8645     }
8646 
8647     mutex_unlock(&tp->control);
8648 
8649     usb_autopm_put_interface(tp->intf);
8650 
8651 out:
8652     return ret;
8653 }
8654 
8655 static int rtl8152_set_link_ksettings(struct net_device *dev,
8656                       const struct ethtool_link_ksettings *cmd)
8657 {
8658     struct r8152 *tp = netdev_priv(dev);
8659     u32 advertising = 0;
8660     int ret;
8661 
8662     ret = usb_autopm_get_interface(tp->intf);
8663     if (ret < 0)
8664         goto out;
8665 
8666     if (test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT,
8667              cmd->link_modes.advertising))
8668         advertising |= RTL_ADVERTISED_10_HALF;
8669 
8670     if (test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT,
8671              cmd->link_modes.advertising))
8672         advertising |= RTL_ADVERTISED_10_FULL;
8673 
8674     if (test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT,
8675              cmd->link_modes.advertising))
8676         advertising |= RTL_ADVERTISED_100_HALF;
8677 
8678     if (test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
8679              cmd->link_modes.advertising))
8680         advertising |= RTL_ADVERTISED_100_FULL;
8681 
8682     if (test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
8683              cmd->link_modes.advertising))
8684         advertising |= RTL_ADVERTISED_1000_HALF;
8685 
8686     if (test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
8687              cmd->link_modes.advertising))
8688         advertising |= RTL_ADVERTISED_1000_FULL;
8689 
8690     if (test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
8691              cmd->link_modes.advertising))
8692         advertising |= RTL_ADVERTISED_2500_FULL;
8693 
8694     mutex_lock(&tp->control);
8695 
8696     ret = rtl8152_set_speed(tp, cmd->base.autoneg, cmd->base.speed,
8697                 cmd->base.duplex, advertising);
8698     if (!ret) {
8699         tp->autoneg = cmd->base.autoneg;
8700         tp->speed = cmd->base.speed;
8701         tp->duplex = cmd->base.duplex;
8702         tp->advertising = advertising;
8703     }
8704 
8705     mutex_unlock(&tp->control);
8706 
8707     usb_autopm_put_interface(tp->intf);
8708 
8709 out:
8710     return ret;
8711 }
8712 
8713 static const char rtl8152_gstrings[][ETH_GSTRING_LEN] = {
8714     "tx_packets",
8715     "rx_packets",
8716     "tx_errors",
8717     "rx_errors",
8718     "rx_missed",
8719     "align_errors",
8720     "tx_single_collisions",
8721     "tx_multi_collisions",
8722     "rx_unicast",
8723     "rx_broadcast",
8724     "rx_multicast",
8725     "tx_aborted",
8726     "tx_underrun",
8727 };
8728 
8729 static int rtl8152_get_sset_count(struct net_device *dev, int sset)
8730 {
8731     switch (sset) {
8732     case ETH_SS_STATS:
8733         return ARRAY_SIZE(rtl8152_gstrings);
8734     default:
8735         return -EOPNOTSUPP;
8736     }
8737 }
8738 
8739 static void rtl8152_get_ethtool_stats(struct net_device *dev,
8740                       struct ethtool_stats *stats, u64 *data)
8741 {
8742     struct r8152 *tp = netdev_priv(dev);
8743     struct tally_counter tally;
8744 
8745     if (usb_autopm_get_interface(tp->intf) < 0)
8746         return;
8747 
8748     generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
8749 
8750     usb_autopm_put_interface(tp->intf);
8751 
8752     data[0] = le64_to_cpu(tally.tx_packets);
8753     data[1] = le64_to_cpu(tally.rx_packets);
8754     data[2] = le64_to_cpu(tally.tx_errors);
8755     data[3] = le32_to_cpu(tally.rx_errors);
8756     data[4] = le16_to_cpu(tally.rx_missed);
8757     data[5] = le16_to_cpu(tally.align_errors);
8758     data[6] = le32_to_cpu(tally.tx_one_collision);
8759     data[7] = le32_to_cpu(tally.tx_multi_collision);
8760     data[8] = le64_to_cpu(tally.rx_unicast);
8761     data[9] = le64_to_cpu(tally.rx_broadcast);
8762     data[10] = le32_to_cpu(tally.rx_multicast);
8763     data[11] = le16_to_cpu(tally.tx_aborted);
8764     data[12] = le16_to_cpu(tally.tx_underrun);
8765 }
8766 
8767 static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
8768 {
8769     switch (stringset) {
8770     case ETH_SS_STATS:
8771         memcpy(data, rtl8152_gstrings, sizeof(rtl8152_gstrings));
8772         break;
8773     }
8774 }
8775 
8776 static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
8777 {
8778     u32 lp, adv, supported = 0;
8779     u16 val;
8780 
8781     val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
8782     supported = mmd_eee_cap_to_ethtool_sup_t(val);
8783 
8784     val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
8785     adv = mmd_eee_adv_to_ethtool_adv_t(val);
8786 
8787     val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
8788     lp = mmd_eee_adv_to_ethtool_adv_t(val);
8789 
8790     eee->eee_enabled = tp->eee_en;
8791     eee->eee_active = !!(supported & adv & lp);
8792     eee->supported = supported;
8793     eee->advertised = tp->eee_adv;
8794     eee->lp_advertised = lp;
8795 
8796     return 0;
8797 }
8798 
8799 static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
8800 {
8801     u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
8802 
8803     tp->eee_en = eee->eee_enabled;
8804     tp->eee_adv = val;
8805 
8806     rtl_eee_enable(tp, tp->eee_en);
8807 
8808     return 0;
8809 }
8810 
8811 static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
8812 {
8813     u32 lp, adv, supported = 0;
8814     u16 val;
8815 
8816     val = ocp_reg_read(tp, OCP_EEE_ABLE);
8817     supported = mmd_eee_cap_to_ethtool_sup_t(val);
8818 
8819     val = ocp_reg_read(tp, OCP_EEE_ADV);
8820     adv = mmd_eee_adv_to_ethtool_adv_t(val);
8821 
8822     val = ocp_reg_read(tp, OCP_EEE_LPABLE);
8823     lp = mmd_eee_adv_to_ethtool_adv_t(val);
8824 
8825     eee->eee_enabled = tp->eee_en;
8826     eee->eee_active = !!(supported & adv & lp);
8827     eee->supported = supported;
8828     eee->advertised = tp->eee_adv;
8829     eee->lp_advertised = lp;
8830 
8831     return 0;
8832 }
8833 
8834 static int
8835 rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
8836 {
8837     struct r8152 *tp = netdev_priv(net);
8838     int ret;
8839 
8840     if (!tp->rtl_ops.eee_get) {
8841         ret = -EOPNOTSUPP;
8842         goto out;
8843     }
8844 
8845     ret = usb_autopm_get_interface(tp->intf);
8846     if (ret < 0)
8847         goto out;
8848 
8849     mutex_lock(&tp->control);
8850 
8851     ret = tp->rtl_ops.eee_get(tp, edata);
8852 
8853     mutex_unlock(&tp->control);
8854 
8855     usb_autopm_put_interface(tp->intf);
8856 
8857 out:
8858     return ret;
8859 }
8860 
8861 static int
8862 rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
8863 {
8864     struct r8152 *tp = netdev_priv(net);
8865     int ret;
8866 
8867     if (!tp->rtl_ops.eee_set) {
8868         ret = -EOPNOTSUPP;
8869         goto out;
8870     }
8871 
8872     ret = usb_autopm_get_interface(tp->intf);
8873     if (ret < 0)
8874         goto out;
8875 
8876     mutex_lock(&tp->control);
8877 
8878     ret = tp->rtl_ops.eee_set(tp, edata);
8879     if (!ret)
8880         ret = mii_nway_restart(&tp->mii);
8881 
8882     mutex_unlock(&tp->control);
8883 
8884     usb_autopm_put_interface(tp->intf);
8885 
8886 out:
8887     return ret;
8888 }
8889 
8890 static int rtl8152_nway_reset(struct net_device *dev)
8891 {
8892     struct r8152 *tp = netdev_priv(dev);
8893     int ret;
8894 
8895     ret = usb_autopm_get_interface(tp->intf);
8896     if (ret < 0)
8897         goto out;
8898 
8899     mutex_lock(&tp->control);
8900 
8901     ret = mii_nway_restart(&tp->mii);
8902 
8903     mutex_unlock(&tp->control);
8904 
8905     usb_autopm_put_interface(tp->intf);
8906 
8907 out:
8908     return ret;
8909 }
8910 
8911 static int rtl8152_get_coalesce(struct net_device *netdev,
8912                 struct ethtool_coalesce *coalesce,
8913                 struct kernel_ethtool_coalesce *kernel_coal,
8914                 struct netlink_ext_ack *extack)
8915 {
8916     struct r8152 *tp = netdev_priv(netdev);
8917 
8918     switch (tp->version) {
8919     case RTL_VER_01:
8920     case RTL_VER_02:
8921     case RTL_VER_07:
8922         return -EOPNOTSUPP;
8923     default:
8924         break;
8925     }
8926 
8927     coalesce->rx_coalesce_usecs = tp->coalesce;
8928 
8929     return 0;
8930 }
8931 
8932 static int rtl8152_set_coalesce(struct net_device *netdev,
8933                 struct ethtool_coalesce *coalesce,
8934                 struct kernel_ethtool_coalesce *kernel_coal,
8935                 struct netlink_ext_ack *extack)
8936 {
8937     struct r8152 *tp = netdev_priv(netdev);
8938     int ret;
8939 
8940     switch (tp->version) {
8941     case RTL_VER_01:
8942     case RTL_VER_02:
8943     case RTL_VER_07:
8944         return -EOPNOTSUPP;
8945     default:
8946         break;
8947     }
8948 
8949     if (coalesce->rx_coalesce_usecs > COALESCE_SLOW)
8950         return -EINVAL;
8951 
8952     ret = usb_autopm_get_interface(tp->intf);
8953     if (ret < 0)
8954         return ret;
8955 
8956     mutex_lock(&tp->control);
8957 
8958     if (tp->coalesce != coalesce->rx_coalesce_usecs) {
8959         tp->coalesce = coalesce->rx_coalesce_usecs;
8960 
8961         if (netif_running(netdev) && netif_carrier_ok(netdev)) {
8962             netif_stop_queue(netdev);
8963             napi_disable(&tp->napi);
8964             tp->rtl_ops.disable(tp);
8965             tp->rtl_ops.enable(tp);
8966             rtl_start_rx(tp);
8967             clear_bit(RTL8152_SET_RX_MODE, &tp->flags);
8968             _rtl8152_set_rx_mode(netdev);
8969             napi_enable(&tp->napi);
8970             netif_wake_queue(netdev);
8971         }
8972     }
8973 
8974     mutex_unlock(&tp->control);
8975 
8976     usb_autopm_put_interface(tp->intf);
8977 
8978     return ret;
8979 }
8980 
8981 static int rtl8152_get_tunable(struct net_device *netdev,
8982                    const struct ethtool_tunable *tunable, void *d)
8983 {
8984     struct r8152 *tp = netdev_priv(netdev);
8985 
8986     switch (tunable->id) {
8987     case ETHTOOL_RX_COPYBREAK:
8988         *(u32 *)d = tp->rx_copybreak;
8989         break;
8990     default:
8991         return -EOPNOTSUPP;
8992     }
8993 
8994     return 0;
8995 }
8996 
8997 static int rtl8152_set_tunable(struct net_device *netdev,
8998                    const struct ethtool_tunable *tunable,
8999                    const void *d)
9000 {
9001     struct r8152 *tp = netdev_priv(netdev);
9002     u32 val;
9003 
9004     switch (tunable->id) {
9005     case ETHTOOL_RX_COPYBREAK:
9006         val = *(u32 *)d;
9007         if (val < ETH_ZLEN) {
9008             netif_err(tp, rx_err, netdev,
9009                   "Invalid rx copy break value\n");
9010             return -EINVAL;
9011         }
9012 
9013         if (tp->rx_copybreak != val) {
9014             if (netdev->flags & IFF_UP) {
9015                 mutex_lock(&tp->control);
9016                 napi_disable(&tp->napi);
9017                 tp->rx_copybreak = val;
9018                 napi_enable(&tp->napi);
9019                 mutex_unlock(&tp->control);
9020             } else {
9021                 tp->rx_copybreak = val;
9022             }
9023         }
9024         break;
9025     default:
9026         return -EOPNOTSUPP;
9027     }
9028 
9029     return 0;
9030 }
9031 
9032 static void rtl8152_get_ringparam(struct net_device *netdev,
9033                   struct ethtool_ringparam *ring,
9034                   struct kernel_ethtool_ringparam *kernel_ring,
9035                   struct netlink_ext_ack *extack)
9036 {
9037     struct r8152 *tp = netdev_priv(netdev);
9038 
9039     ring->rx_max_pending = RTL8152_RX_MAX_PENDING;
9040     ring->rx_pending = tp->rx_pending;
9041 }
9042 
9043 static int rtl8152_set_ringparam(struct net_device *netdev,
9044                  struct ethtool_ringparam *ring,
9045                  struct kernel_ethtool_ringparam *kernel_ring,
9046                  struct netlink_ext_ack *extack)
9047 {
9048     struct r8152 *tp = netdev_priv(netdev);
9049 
9050     if (ring->rx_pending < (RTL8152_MAX_RX * 2))
9051         return -EINVAL;
9052 
9053     if (tp->rx_pending != ring->rx_pending) {
9054         if (netdev->flags & IFF_UP) {
9055             mutex_lock(&tp->control);
9056             napi_disable(&tp->napi);
9057             tp->rx_pending = ring->rx_pending;
9058             napi_enable(&tp->napi);
9059             mutex_unlock(&tp->control);
9060         } else {
9061             tp->rx_pending = ring->rx_pending;
9062         }
9063     }
9064 
9065     return 0;
9066 }
9067 
9068 static void rtl8152_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
9069 {
9070     struct r8152 *tp = netdev_priv(netdev);
9071     u16 bmcr, lcladv, rmtadv;
9072     u8 cap;
9073 
9074     if (usb_autopm_get_interface(tp->intf) < 0)
9075         return;
9076 
9077     mutex_lock(&tp->control);
9078 
9079     bmcr = r8152_mdio_read(tp, MII_BMCR);
9080     lcladv = r8152_mdio_read(tp, MII_ADVERTISE);
9081     rmtadv = r8152_mdio_read(tp, MII_LPA);
9082 
9083     mutex_unlock(&tp->control);
9084 
9085     usb_autopm_put_interface(tp->intf);
9086 
9087     if (!(bmcr & BMCR_ANENABLE)) {
9088         pause->autoneg = 0;
9089         pause->rx_pause = 0;
9090         pause->tx_pause = 0;
9091         return;
9092     }
9093 
9094     pause->autoneg = 1;
9095 
9096     cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
9097 
9098     if (cap & FLOW_CTRL_RX)
9099         pause->rx_pause = 1;
9100 
9101     if (cap & FLOW_CTRL_TX)
9102         pause->tx_pause = 1;
9103 }
9104 
9105 static int rtl8152_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
9106 {
9107     struct r8152 *tp = netdev_priv(netdev);
9108     u16 old, new1;
9109     u8 cap = 0;
9110     int ret;
9111 
9112     ret = usb_autopm_get_interface(tp->intf);
9113     if (ret < 0)
9114         return ret;
9115 
9116     mutex_lock(&tp->control);
9117 
9118     if (pause->autoneg && !(r8152_mdio_read(tp, MII_BMCR) & BMCR_ANENABLE)) {
9119         ret = -EINVAL;
9120         goto out;
9121     }
9122 
9123     if (pause->rx_pause)
9124         cap |= FLOW_CTRL_RX;
9125 
9126     if (pause->tx_pause)
9127         cap |= FLOW_CTRL_TX;
9128 
9129     old = r8152_mdio_read(tp, MII_ADVERTISE);
9130     new1 = (old & ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM)) | mii_advertise_flowctrl(cap);
9131     if (old != new1)
9132         r8152_mdio_write(tp, MII_ADVERTISE, new1);
9133 
9134 out:
9135     mutex_unlock(&tp->control);
9136     usb_autopm_put_interface(tp->intf);
9137 
9138     return ret;
9139 }
9140 
9141 static const struct ethtool_ops ops = {
9142     .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
9143     .get_drvinfo = rtl8152_get_drvinfo,
9144     .get_link = ethtool_op_get_link,
9145     .nway_reset = rtl8152_nway_reset,
9146     .get_msglevel = rtl8152_get_msglevel,
9147     .set_msglevel = rtl8152_set_msglevel,
9148     .get_wol = rtl8152_get_wol,
9149     .set_wol = rtl8152_set_wol,
9150     .get_strings = rtl8152_get_strings,
9151     .get_sset_count = rtl8152_get_sset_count,
9152     .get_ethtool_stats = rtl8152_get_ethtool_stats,
9153     .get_coalesce = rtl8152_get_coalesce,
9154     .set_coalesce = rtl8152_set_coalesce,
9155     .get_eee = rtl_ethtool_get_eee,
9156     .set_eee = rtl_ethtool_set_eee,
9157     .get_link_ksettings = rtl8152_get_link_ksettings,
9158     .set_link_ksettings = rtl8152_set_link_ksettings,
9159     .get_tunable = rtl8152_get_tunable,
9160     .set_tunable = rtl8152_set_tunable,
9161     .get_ringparam = rtl8152_get_ringparam,
9162     .set_ringparam = rtl8152_set_ringparam,
9163     .get_pauseparam = rtl8152_get_pauseparam,
9164     .set_pauseparam = rtl8152_set_pauseparam,
9165 };
9166 
9167 static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
9168 {
9169     struct r8152 *tp = netdev_priv(netdev);
9170     struct mii_ioctl_data *data = if_mii(rq);
9171     int res;
9172 
9173     if (test_bit(RTL8152_UNPLUG, &tp->flags))
9174         return -ENODEV;
9175 
9176     res = usb_autopm_get_interface(tp->intf);
9177     if (res < 0)
9178         goto out;
9179 
9180     switch (cmd) {
9181     case SIOCGMIIPHY:
9182         data->phy_id = R8152_PHY_ID; /* Internal PHY */
9183         break;
9184 
9185     case SIOCGMIIREG:
9186         mutex_lock(&tp->control);
9187         data->val_out = r8152_mdio_read(tp, data->reg_num);
9188         mutex_unlock(&tp->control);
9189         break;
9190 
9191     case SIOCSMIIREG:
9192         if (!capable(CAP_NET_ADMIN)) {
9193             res = -EPERM;
9194             break;
9195         }
9196         mutex_lock(&tp->control);
9197         r8152_mdio_write(tp, data->reg_num, data->val_in);
9198         mutex_unlock(&tp->control);
9199         break;
9200 
9201     default:
9202         res = -EOPNOTSUPP;
9203     }
9204 
9205     usb_autopm_put_interface(tp->intf);
9206 
9207 out:
9208     return res;
9209 }
9210 
9211 static int rtl8152_change_mtu(struct net_device *dev, int new_mtu)
9212 {
9213     struct r8152 *tp = netdev_priv(dev);
9214     int ret;
9215 
9216     switch (tp->version) {
9217     case RTL_VER_01:
9218     case RTL_VER_02:
9219     case RTL_VER_07:
9220         dev->mtu = new_mtu;
9221         return 0;
9222     default:
9223         break;
9224     }
9225 
9226     ret = usb_autopm_get_interface(tp->intf);
9227     if (ret < 0)
9228         return ret;
9229 
9230     mutex_lock(&tp->control);
9231 
9232     dev->mtu = new_mtu;
9233 
9234     if (netif_running(dev)) {
9235         if (tp->rtl_ops.change_mtu)
9236             tp->rtl_ops.change_mtu(tp);
9237 
9238         if (netif_carrier_ok(dev)) {
9239             netif_stop_queue(dev);
9240             napi_disable(&tp->napi);
9241             tasklet_disable(&tp->tx_tl);
9242             tp->rtl_ops.disable(tp);
9243             tp->rtl_ops.enable(tp);
9244             rtl_start_rx(tp);
9245             tasklet_enable(&tp->tx_tl);
9246             napi_enable(&tp->napi);
9247             rtl8152_set_rx_mode(dev);
9248             netif_wake_queue(dev);
9249         }
9250     }
9251 
9252     mutex_unlock(&tp->control);
9253 
9254     usb_autopm_put_interface(tp->intf);
9255 
9256     return ret;
9257 }
9258 
9259 static const struct net_device_ops rtl8152_netdev_ops = {
9260     .ndo_open       = rtl8152_open,
9261     .ndo_stop       = rtl8152_close,
9262     .ndo_eth_ioctl      = rtl8152_ioctl,
9263     .ndo_start_xmit     = rtl8152_start_xmit,
9264     .ndo_tx_timeout     = rtl8152_tx_timeout,
9265     .ndo_set_features   = rtl8152_set_features,
9266     .ndo_set_rx_mode    = rtl8152_set_rx_mode,
9267     .ndo_set_mac_address    = rtl8152_set_mac_address,
9268     .ndo_change_mtu     = rtl8152_change_mtu,
9269     .ndo_validate_addr  = eth_validate_addr,
9270     .ndo_features_check = rtl8152_features_check,
9271 };
9272 
9273 static void rtl8152_unload(struct r8152 *tp)
9274 {
9275     if (test_bit(RTL8152_UNPLUG, &tp->flags))
9276         return;
9277 
9278     if (tp->version != RTL_VER_01)
9279         r8152_power_cut_en(tp, true);
9280 }
9281 
9282 static void rtl8153_unload(struct r8152 *tp)
9283 {
9284     if (test_bit(RTL8152_UNPLUG, &tp->flags))
9285         return;
9286 
9287     r8153_power_cut_en(tp, false);
9288 }
9289 
9290 static void rtl8153b_unload(struct r8152 *tp)
9291 {
9292     if (test_bit(RTL8152_UNPLUG, &tp->flags))
9293         return;
9294 
9295     r8153b_power_cut_en(tp, false);
9296 }
9297 
9298 static int rtl_ops_init(struct r8152 *tp)
9299 {
9300     struct rtl_ops *ops = &tp->rtl_ops;
9301     int ret = 0;
9302 
9303     switch (tp->version) {
9304     case RTL_VER_01:
9305     case RTL_VER_02:
9306     case RTL_VER_07:
9307         ops->init       = r8152b_init;
9308         ops->enable     = rtl8152_enable;
9309         ops->disable        = rtl8152_disable;
9310         ops->up         = rtl8152_up;
9311         ops->down       = rtl8152_down;
9312         ops->unload     = rtl8152_unload;
9313         ops->eee_get        = r8152_get_eee;
9314         ops->eee_set        = r8152_set_eee;
9315         ops->in_nway        = rtl8152_in_nway;
9316         ops->hw_phy_cfg     = r8152b_hw_phy_cfg;
9317         ops->autosuspend_en = rtl_runtime_suspend_enable;
9318         tp->rx_buf_sz       = 16 * 1024;
9319         tp->eee_en      = true;
9320         tp->eee_adv     = MDIO_EEE_100TX;
9321         break;
9322 
9323     case RTL_VER_03:
9324     case RTL_VER_04:
9325     case RTL_VER_05:
9326     case RTL_VER_06:
9327         ops->init       = r8153_init;
9328         ops->enable     = rtl8153_enable;
9329         ops->disable        = rtl8153_disable;
9330         ops->up         = rtl8153_up;
9331         ops->down       = rtl8153_down;
9332         ops->unload     = rtl8153_unload;
9333         ops->eee_get        = r8153_get_eee;
9334         ops->eee_set        = r8152_set_eee;
9335         ops->in_nway        = rtl8153_in_nway;
9336         ops->hw_phy_cfg     = r8153_hw_phy_cfg;
9337         ops->autosuspend_en = rtl8153_runtime_enable;
9338         ops->change_mtu     = rtl8153_change_mtu;
9339         if (tp->udev->speed < USB_SPEED_SUPER)
9340             tp->rx_buf_sz   = 16 * 1024;
9341         else
9342             tp->rx_buf_sz   = 32 * 1024;
9343         tp->eee_en      = true;
9344         tp->eee_adv     = MDIO_EEE_1000T | MDIO_EEE_100TX;
9345         break;
9346 
9347     case RTL_VER_08:
9348     case RTL_VER_09:
9349         ops->init       = r8153b_init;
9350         ops->enable     = rtl8153_enable;
9351         ops->disable        = rtl8153_disable;
9352         ops->up         = rtl8153b_up;
9353         ops->down       = rtl8153b_down;
9354         ops->unload     = rtl8153b_unload;
9355         ops->eee_get        = r8153_get_eee;
9356         ops->eee_set        = r8152_set_eee;
9357         ops->in_nway        = rtl8153_in_nway;
9358         ops->hw_phy_cfg     = r8153b_hw_phy_cfg;
9359         ops->autosuspend_en = rtl8153b_runtime_enable;
9360         ops->change_mtu     = rtl8153_change_mtu;
9361         tp->rx_buf_sz       = 32 * 1024;
9362         tp->eee_en      = true;
9363         tp->eee_adv     = MDIO_EEE_1000T | MDIO_EEE_100TX;
9364         break;
9365 
9366     case RTL_VER_11:
9367         tp->eee_en      = true;
9368         tp->eee_adv     = MDIO_EEE_1000T | MDIO_EEE_100TX;
9369         fallthrough;
9370     case RTL_VER_10:
9371         ops->init       = r8156_init;
9372         ops->enable     = rtl8156_enable;
9373         ops->disable        = rtl8153_disable;
9374         ops->up         = rtl8156_up;
9375         ops->down       = rtl8156_down;
9376         ops->unload     = rtl8153_unload;
9377         ops->eee_get        = r8153_get_eee;
9378         ops->eee_set        = r8152_set_eee;
9379         ops->in_nway        = rtl8153_in_nway;
9380         ops->hw_phy_cfg     = r8156_hw_phy_cfg;
9381         ops->autosuspend_en = rtl8156_runtime_enable;
9382         ops->change_mtu     = rtl8156_change_mtu;
9383         tp->rx_buf_sz       = 48 * 1024;
9384         tp->support_2500full    = 1;
9385         break;
9386 
9387     case RTL_VER_12:
9388     case RTL_VER_13:
9389         tp->support_2500full    = 1;
9390         fallthrough;
9391     case RTL_VER_15:
9392         tp->eee_en      = true;
9393         tp->eee_adv     = MDIO_EEE_1000T | MDIO_EEE_100TX;
9394         ops->init       = r8156b_init;
9395         ops->enable     = rtl8156b_enable;
9396         ops->disable        = rtl8153_disable;
9397         ops->up         = rtl8156_up;
9398         ops->down       = rtl8156_down;
9399         ops->unload     = rtl8153_unload;
9400         ops->eee_get        = r8153_get_eee;
9401         ops->eee_set        = r8152_set_eee;
9402         ops->in_nway        = rtl8153_in_nway;
9403         ops->hw_phy_cfg     = r8156b_hw_phy_cfg;
9404         ops->autosuspend_en = rtl8156_runtime_enable;
9405         ops->change_mtu     = rtl8156_change_mtu;
9406         tp->rx_buf_sz       = 48 * 1024;
9407         break;
9408 
9409     case RTL_VER_14:
9410         ops->init       = r8153c_init;
9411         ops->enable     = rtl8153_enable;
9412         ops->disable        = rtl8153_disable;
9413         ops->up         = rtl8153c_up;
9414         ops->down       = rtl8153b_down;
9415         ops->unload     = rtl8153_unload;
9416         ops->eee_get        = r8153_get_eee;
9417         ops->eee_set        = r8152_set_eee;
9418         ops->in_nway        = rtl8153_in_nway;
9419         ops->hw_phy_cfg     = r8153c_hw_phy_cfg;
9420         ops->autosuspend_en = rtl8153c_runtime_enable;
9421         ops->change_mtu     = rtl8153c_change_mtu;
9422         tp->rx_buf_sz       = 32 * 1024;
9423         tp->eee_en      = true;
9424         tp->eee_adv     = MDIO_EEE_1000T | MDIO_EEE_100TX;
9425         break;
9426 
9427     default:
9428         ret = -ENODEV;
9429         dev_err(&tp->intf->dev, "Unknown Device\n");
9430         break;
9431     }
9432 
9433     return ret;
9434 }
9435 
9436 #define FIRMWARE_8153A_2    "rtl_nic/rtl8153a-2.fw"
9437 #define FIRMWARE_8153A_3    "rtl_nic/rtl8153a-3.fw"
9438 #define FIRMWARE_8153A_4    "rtl_nic/rtl8153a-4.fw"
9439 #define FIRMWARE_8153B_2    "rtl_nic/rtl8153b-2.fw"
9440 #define FIRMWARE_8153C_1    "rtl_nic/rtl8153c-1.fw"
9441 #define FIRMWARE_8156A_2    "rtl_nic/rtl8156a-2.fw"
9442 #define FIRMWARE_8156B_2    "rtl_nic/rtl8156b-2.fw"
9443 
9444 MODULE_FIRMWARE(FIRMWARE_8153A_2);
9445 MODULE_FIRMWARE(FIRMWARE_8153A_3);
9446 MODULE_FIRMWARE(FIRMWARE_8153A_4);
9447 MODULE_FIRMWARE(FIRMWARE_8153B_2);
9448 MODULE_FIRMWARE(FIRMWARE_8153C_1);
9449 MODULE_FIRMWARE(FIRMWARE_8156A_2);
9450 MODULE_FIRMWARE(FIRMWARE_8156B_2);
9451 
9452 static int rtl_fw_init(struct r8152 *tp)
9453 {
9454     struct rtl_fw *rtl_fw = &tp->rtl_fw;
9455 
9456     switch (tp->version) {
9457     case RTL_VER_04:
9458         rtl_fw->fw_name     = FIRMWARE_8153A_2;
9459         rtl_fw->pre_fw      = r8153_pre_firmware_1;
9460         rtl_fw->post_fw     = r8153_post_firmware_1;
9461         break;
9462     case RTL_VER_05:
9463         rtl_fw->fw_name     = FIRMWARE_8153A_3;
9464         rtl_fw->pre_fw      = r8153_pre_firmware_2;
9465         rtl_fw->post_fw     = r8153_post_firmware_2;
9466         break;
9467     case RTL_VER_06:
9468         rtl_fw->fw_name     = FIRMWARE_8153A_4;
9469         rtl_fw->post_fw     = r8153_post_firmware_3;
9470         break;
9471     case RTL_VER_09:
9472         rtl_fw->fw_name     = FIRMWARE_8153B_2;
9473         rtl_fw->pre_fw      = r8153b_pre_firmware_1;
9474         rtl_fw->post_fw     = r8153b_post_firmware_1;
9475         break;
9476     case RTL_VER_11:
9477         rtl_fw->fw_name     = FIRMWARE_8156A_2;
9478         rtl_fw->post_fw     = r8156a_post_firmware_1;
9479         break;
9480     case RTL_VER_13:
9481     case RTL_VER_15:
9482         rtl_fw->fw_name     = FIRMWARE_8156B_2;
9483         break;
9484     case RTL_VER_14:
9485         rtl_fw->fw_name     = FIRMWARE_8153C_1;
9486         rtl_fw->pre_fw      = r8153b_pre_firmware_1;
9487         rtl_fw->post_fw     = r8153c_post_firmware_1;
9488         break;
9489     default:
9490         break;
9491     }
9492 
9493     return 0;
9494 }
9495 
9496 u8 rtl8152_get_version(struct usb_interface *intf)
9497 {
9498     struct usb_device *udev = interface_to_usbdev(intf);
9499     u32 ocp_data = 0;
9500     __le32 *tmp;
9501     u8 version;
9502     int ret;
9503 
9504     tmp = kmalloc(sizeof(*tmp), GFP_KERNEL);
9505     if (!tmp)
9506         return 0;
9507 
9508     ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
9509                   RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
9510                   PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500);
9511     if (ret > 0)
9512         ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK;
9513 
9514     kfree(tmp);
9515 
9516     switch (ocp_data) {
9517     case 0x4c00:
9518         version = RTL_VER_01;
9519         break;
9520     case 0x4c10:
9521         version = RTL_VER_02;
9522         break;
9523     case 0x5c00:
9524         version = RTL_VER_03;
9525         break;
9526     case 0x5c10:
9527         version = RTL_VER_04;
9528         break;
9529     case 0x5c20:
9530         version = RTL_VER_05;
9531         break;
9532     case 0x5c30:
9533         version = RTL_VER_06;
9534         break;
9535     case 0x4800:
9536         version = RTL_VER_07;
9537         break;
9538     case 0x6000:
9539         version = RTL_VER_08;
9540         break;
9541     case 0x6010:
9542         version = RTL_VER_09;
9543         break;
9544     case 0x7010:
9545         version = RTL_TEST_01;
9546         break;
9547     case 0x7020:
9548         version = RTL_VER_10;
9549         break;
9550     case 0x7030:
9551         version = RTL_VER_11;
9552         break;
9553     case 0x7400:
9554         version = RTL_VER_12;
9555         break;
9556     case 0x7410:
9557         version = RTL_VER_13;
9558         break;
9559     case 0x6400:
9560         version = RTL_VER_14;
9561         break;
9562     case 0x7420:
9563         version = RTL_VER_15;
9564         break;
9565     default:
9566         version = RTL_VER_UNKNOWN;
9567         dev_info(&intf->dev, "Unknown version 0x%04x\n", ocp_data);
9568         break;
9569     }
9570 
9571     dev_dbg(&intf->dev, "Detected version 0x%04x\n", version);
9572 
9573     return version;
9574 }
9575 EXPORT_SYMBOL_GPL(rtl8152_get_version);
9576 
9577 static bool rtl8152_supports_lenovo_macpassthru(struct usb_device *udev)
9578 {
9579     int parent_vendor_id = le16_to_cpu(udev->parent->descriptor.idVendor);
9580     int product_id = le16_to_cpu(udev->descriptor.idProduct);
9581     int vendor_id = le16_to_cpu(udev->descriptor.idVendor);
9582 
9583     if (vendor_id == VENDOR_ID_LENOVO) {
9584         switch (product_id) {
9585         case DEVICE_ID_THINKPAD_ONELINK_PLUS_DOCK:
9586         case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2:
9587         case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2:
9588         case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN3:
9589         case DEVICE_ID_THINKPAD_USB_C_DONGLE:
9590             return 1;
9591         }
9592     } else if (vendor_id == VENDOR_ID_REALTEK && parent_vendor_id == VENDOR_ID_LENOVO) {
9593         switch (product_id) {
9594         case 0x8153:
9595             return 1;
9596         }
9597     }
9598     return 0;
9599 }
9600 
9601 static int rtl8152_probe(struct usb_interface *intf,
9602              const struct usb_device_id *id)
9603 {
9604     struct usb_device *udev = interface_to_usbdev(intf);
9605     u8 version = rtl8152_get_version(intf);
9606     struct r8152 *tp;
9607     struct net_device *netdev;
9608     int ret;
9609 
9610     if (version == RTL_VER_UNKNOWN)
9611         return -ENODEV;
9612 
9613     if (!rtl_vendor_mode(intf))
9614         return -ENODEV;
9615 
9616     usb_reset_device(udev);
9617     netdev = alloc_etherdev(sizeof(struct r8152));
9618     if (!netdev) {
9619         dev_err(&intf->dev, "Out of memory\n");
9620         return -ENOMEM;
9621     }
9622 
9623     SET_NETDEV_DEV(netdev, &intf->dev);
9624     tp = netdev_priv(netdev);
9625     tp->msg_enable = 0x7FFF;
9626 
9627     tp->udev = udev;
9628     tp->netdev = netdev;
9629     tp->intf = intf;
9630     tp->version = version;
9631 
9632     tp->pipe_ctrl_in = usb_rcvctrlpipe(udev, 0);
9633     tp->pipe_ctrl_out = usb_sndctrlpipe(udev, 0);
9634     tp->pipe_in = usb_rcvbulkpipe(udev, 1);
9635     tp->pipe_out = usb_sndbulkpipe(udev, 2);
9636     tp->pipe_intr = usb_rcvintpipe(udev, 3);
9637 
9638     switch (version) {
9639     case RTL_VER_01:
9640     case RTL_VER_02:
9641     case RTL_VER_07:
9642         tp->mii.supports_gmii = 0;
9643         break;
9644     default:
9645         tp->mii.supports_gmii = 1;
9646         break;
9647     }
9648 
9649     ret = rtl_ops_init(tp);
9650     if (ret)
9651         goto out;
9652 
9653     rtl_fw_init(tp);
9654 
9655     mutex_init(&tp->control);
9656     INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
9657     INIT_DELAYED_WORK(&tp->hw_phy_work, rtl_hw_phy_work_func_t);
9658     tasklet_setup(&tp->tx_tl, bottom_half);
9659     tasklet_disable(&tp->tx_tl);
9660 
9661     netdev->netdev_ops = &rtl8152_netdev_ops;
9662     netdev->watchdog_timeo = RTL8152_TX_TIMEOUT;
9663 
9664     netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
9665                 NETIF_F_TSO | NETIF_F_FRAGLIST | NETIF_F_IPV6_CSUM |
9666                 NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_RX |
9667                 NETIF_F_HW_VLAN_CTAG_TX;
9668     netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
9669                   NETIF_F_TSO | NETIF_F_FRAGLIST |
9670                   NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
9671                   NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX;
9672     netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
9673                 NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
9674                 NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
9675 
9676     if (tp->version == RTL_VER_01) {
9677         netdev->features &= ~NETIF_F_RXCSUM;
9678         netdev->hw_features &= ~NETIF_F_RXCSUM;
9679     }
9680 
9681     tp->lenovo_macpassthru = rtl8152_supports_lenovo_macpassthru(udev);
9682 
9683     if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial &&
9684         (!strcmp(udev->serial, "000001000000") ||
9685          !strcmp(udev->serial, "000002000000"))) {
9686         dev_info(&udev->dev, "Dell TB16 Dock, disable RX aggregation");
9687         tp->dell_tb_rx_agg_bug = 1;
9688     }
9689 
9690     netdev->ethtool_ops = &ops;
9691     netif_set_tso_max_size(netdev, RTL_LIMITED_TSO_SIZE);
9692 
9693     /* MTU range: 68 - 1500 or 9194 */
9694     netdev->min_mtu = ETH_MIN_MTU;
9695     switch (tp->version) {
9696     case RTL_VER_03:
9697     case RTL_VER_04:
9698     case RTL_VER_05:
9699     case RTL_VER_06:
9700     case RTL_VER_08:
9701     case RTL_VER_09:
9702     case RTL_VER_14:
9703         netdev->max_mtu = size_to_mtu(9 * 1024);
9704         break;
9705     case RTL_VER_10:
9706     case RTL_VER_11:
9707         netdev->max_mtu = size_to_mtu(15 * 1024);
9708         break;
9709     case RTL_VER_12:
9710     case RTL_VER_13:
9711     case RTL_VER_15:
9712         netdev->max_mtu = size_to_mtu(16 * 1024);
9713         break;
9714     case RTL_VER_01:
9715     case RTL_VER_02:
9716     case RTL_VER_07:
9717     default:
9718         netdev->max_mtu = ETH_DATA_LEN;
9719         break;
9720     }
9721 
9722     tp->mii.dev = netdev;
9723     tp->mii.mdio_read = read_mii_word;
9724     tp->mii.mdio_write = write_mii_word;
9725     tp->mii.phy_id_mask = 0x3f;
9726     tp->mii.reg_num_mask = 0x1f;
9727     tp->mii.phy_id = R8152_PHY_ID;
9728 
9729     tp->autoneg = AUTONEG_ENABLE;
9730     tp->speed = SPEED_100;
9731     tp->advertising = RTL_ADVERTISED_10_HALF | RTL_ADVERTISED_10_FULL |
9732               RTL_ADVERTISED_100_HALF | RTL_ADVERTISED_100_FULL;
9733     if (tp->mii.supports_gmii) {
9734         if (tp->support_2500full &&
9735             tp->udev->speed >= USB_SPEED_SUPER) {
9736             tp->speed = SPEED_2500;
9737             tp->advertising |= RTL_ADVERTISED_2500_FULL;
9738         } else {
9739             tp->speed = SPEED_1000;
9740         }
9741         tp->advertising |= RTL_ADVERTISED_1000_FULL;
9742     }
9743     tp->duplex = DUPLEX_FULL;
9744 
9745     tp->rx_copybreak = RTL8152_RXFG_HEADSZ;
9746     tp->rx_pending = 10 * RTL8152_MAX_RX;
9747 
9748     intf->needs_remote_wakeup = 1;
9749 
9750     if (!rtl_can_wakeup(tp))
9751         __rtl_set_wol(tp, 0);
9752     else
9753         tp->saved_wolopts = __rtl_get_wol(tp);
9754 
9755     tp->rtl_ops.init(tp);
9756 #if IS_BUILTIN(CONFIG_USB_RTL8152)
9757     /* Retry in case request_firmware() is not ready yet. */
9758     tp->rtl_fw.retry = true;
9759 #endif
9760     queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0);
9761     set_ethernet_addr(tp, false);
9762 
9763     usb_set_intfdata(intf, tp);
9764 
9765     netif_napi_add_weight(netdev, &tp->napi, r8152_poll,
9766                   tp->support_2500full ? 256 : 64);
9767 
9768     ret = register_netdev(netdev);
9769     if (ret != 0) {
9770         dev_err(&intf->dev, "couldn't register the device\n");
9771         goto out1;
9772     }
9773 
9774     if (tp->saved_wolopts)
9775         device_set_wakeup_enable(&udev->dev, true);
9776     else
9777         device_set_wakeup_enable(&udev->dev, false);
9778 
9779     netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
9780 
9781     return 0;
9782 
9783 out1:
9784     tasklet_kill(&tp->tx_tl);
9785     usb_set_intfdata(intf, NULL);
9786 out:
9787     free_netdev(netdev);
9788     return ret;
9789 }
9790 
9791 static void rtl8152_disconnect(struct usb_interface *intf)
9792 {
9793     struct r8152 *tp = usb_get_intfdata(intf);
9794 
9795     usb_set_intfdata(intf, NULL);
9796     if (tp) {
9797         rtl_set_unplug(tp);
9798 
9799         unregister_netdev(tp->netdev);
9800         tasklet_kill(&tp->tx_tl);
9801         cancel_delayed_work_sync(&tp->hw_phy_work);
9802         if (tp->rtl_ops.unload)
9803             tp->rtl_ops.unload(tp);
9804         rtl8152_release_firmware(tp);
9805         free_netdev(tp->netdev);
9806     }
9807 }
9808 
9809 #define REALTEK_USB_DEVICE(vend, prod)  { \
9810     USB_DEVICE_INTERFACE_CLASS(vend, prod, USB_CLASS_VENDOR_SPEC), \
9811 }, \
9812 { \
9813     USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_COMM, \
9814             USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), \
9815 }
9816 
9817 /* table of devices that work with this driver */
9818 static const struct usb_device_id rtl8152_table[] = {
9819     /* Realtek */
9820     REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8050),
9821     REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8053),
9822     REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152),
9823     REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153),
9824     REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8155),
9825     REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8156),
9826 
9827     /* Microsoft */
9828     REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab),
9829     REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6),
9830     REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927),
9831     REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101),
9832     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x304f),
9833     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3054),
9834     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3062),
9835     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3069),
9836     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x3082),
9837     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x7205),
9838     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x720c),
9839     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x7214),
9840     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0x721e),
9841     REALTEK_USB_DEVICE(VENDOR_ID_LENOVO,  0xa387),
9842     REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041),
9843     REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA,  0x09ff),
9844     REALTEK_USB_DEVICE(VENDOR_ID_TPLINK,  0x0601),
9845     {}
9846 };
9847 
9848 MODULE_DEVICE_TABLE(usb, rtl8152_table);
9849 
9850 static struct usb_driver rtl8152_driver = {
9851     .name =     MODULENAME,
9852     .id_table = rtl8152_table,
9853     .probe =    rtl8152_probe,
9854     .disconnect =   rtl8152_disconnect,
9855     .suspend =  rtl8152_suspend,
9856     .resume =   rtl8152_resume,
9857     .reset_resume = rtl8152_reset_resume,
9858     .pre_reset =    rtl8152_pre_reset,
9859     .post_reset =   rtl8152_post_reset,
9860     .supports_autosuspend = 1,
9861     .disable_hub_initiated_lpm = 1,
9862 };
9863 
9864 module_usb_driver(rtl8152_driver);
9865 
9866 MODULE_AUTHOR(DRIVER_AUTHOR);
9867 MODULE_DESCRIPTION(DRIVER_DESC);
9868 MODULE_LICENSE("GPL");
9869 MODULE_VERSION(DRIVER_VERSION);