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0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Copyright 2015-2017 Google, Inc
0004  */
0005 
0006 #ifndef __LINUX_USB_PD_VDO_H
0007 #define __LINUX_USB_PD_VDO_H
0008 
0009 #include "pd.h"
0010 
0011 /*
0012  * VDO : Vendor Defined Message Object
0013  * VDM object is minimum of VDM header + 6 additional data objects.
0014  */
0015 
0016 #define VDO_MAX_OBJECTS     6
0017 #define VDO_MAX_SIZE        (VDO_MAX_OBJECTS + 1)
0018 
0019 /*
0020  * VDM header
0021  * ----------
0022  * <31:16>  :: SVID
0023  * <15>     :: VDM type ( 1b == structured, 0b == unstructured )
0024  * <14:13>  :: Structured VDM version
0025  * <12:11>  :: reserved
0026  * <10:8>   :: object position (1-7 valid ... used for enter/exit mode only)
0027  * <7:6>    :: command type (SVDM only?)
0028  * <5>      :: reserved (SVDM), command type (UVDM)
0029  * <4:0>    :: command
0030  */
0031 #define VDO(vid, type, ver, custom)         \
0032     (((vid) << 16) |                \
0033      ((type) << 15) |               \
0034      ((ver) << 13) |                \
0035      ((custom) & 0x7FFF))
0036 
0037 #define VDO_SVDM_TYPE       (1 << 15)
0038 #define VDO_SVDM_VERS(x)    ((x) << 13)
0039 #define VDO_OPOS(x)     ((x) << 8)
0040 #define VDO_CMDT(x)     ((x) << 6)
0041 #define VDO_SVDM_VERS_MASK  VDO_SVDM_VERS(0x3)
0042 #define VDO_OPOS_MASK       VDO_OPOS(0x7)
0043 #define VDO_CMDT_MASK       VDO_CMDT(0x3)
0044 
0045 #define CMDT_INIT       0
0046 #define CMDT_RSP_ACK        1
0047 #define CMDT_RSP_NAK        2
0048 #define CMDT_RSP_BUSY       3
0049 
0050 /* reserved for SVDM ... for Google UVDM */
0051 #define VDO_SRC_INITIATOR   (0 << 5)
0052 #define VDO_SRC_RESPONDER   (1 << 5)
0053 
0054 #define CMD_DISCOVER_IDENT  1
0055 #define CMD_DISCOVER_SVID   2
0056 #define CMD_DISCOVER_MODES  3
0057 #define CMD_ENTER_MODE      4
0058 #define CMD_EXIT_MODE       5
0059 #define CMD_ATTENTION       6
0060 
0061 #define VDO_CMD_VENDOR(x)    (((0x10 + (x)) & 0x1f))
0062 
0063 /* ChromeOS specific commands */
0064 #define VDO_CMD_VERSION     VDO_CMD_VENDOR(0)
0065 #define VDO_CMD_SEND_INFO   VDO_CMD_VENDOR(1)
0066 #define VDO_CMD_READ_INFO   VDO_CMD_VENDOR(2)
0067 #define VDO_CMD_REBOOT      VDO_CMD_VENDOR(5)
0068 #define VDO_CMD_FLASH_ERASE VDO_CMD_VENDOR(6)
0069 #define VDO_CMD_FLASH_WRITE VDO_CMD_VENDOR(7)
0070 #define VDO_CMD_ERASE_SIG   VDO_CMD_VENDOR(8)
0071 #define VDO_CMD_PING_ENABLE VDO_CMD_VENDOR(10)
0072 #define VDO_CMD_CURRENT     VDO_CMD_VENDOR(11)
0073 #define VDO_CMD_FLIP        VDO_CMD_VENDOR(12)
0074 #define VDO_CMD_GET_LOG     VDO_CMD_VENDOR(13)
0075 #define VDO_CMD_CCD_EN      VDO_CMD_VENDOR(14)
0076 
0077 #define PD_VDO_VID(vdo)     ((vdo) >> 16)
0078 #define PD_VDO_SVDM(vdo)    (((vdo) >> 15) & 1)
0079 #define PD_VDO_SVDM_VER(vdo)    (((vdo) >> 13) & 0x3)
0080 #define PD_VDO_OPOS(vdo)    (((vdo) >> 8) & 0x7)
0081 #define PD_VDO_CMD(vdo)     ((vdo) & 0x1f)
0082 #define PD_VDO_CMDT(vdo)    (((vdo) >> 6) & 0x3)
0083 
0084 /*
0085  * SVDM Identity request -> response
0086  *
0087  * Request is simply properly formatted SVDM header
0088  *
0089  * Response is 4 data objects:
0090  * [0] :: SVDM header
0091  * [1] :: Identitiy header
0092  * [2] :: Cert Stat VDO
0093  * [3] :: (Product | Cable) VDO
0094  * [4] :: AMA VDO
0095  *
0096  */
0097 #define VDO_INDEX_HDR       0
0098 #define VDO_INDEX_IDH       1
0099 #define VDO_INDEX_CSTAT     2
0100 #define VDO_INDEX_CABLE     3
0101 #define VDO_INDEX_PRODUCT   3
0102 #define VDO_INDEX_AMA       4
0103 
0104 /*
0105  * SVDM Identity Header
0106  * --------------------
0107  * <31>     :: data capable as a USB host
0108  * <30>     :: data capable as a USB device
0109  * <29:27>  :: product type (UFP / Cable / VPD)
0110  * <26>     :: modal operation supported (1b == yes)
0111  * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
0112  * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
0113  * <20:16>  :: Reserved, Shall be set to zero
0114  * <15:0>   :: USB-IF assigned VID for this cable vendor
0115  */
0116 
0117 /* PD Rev2.0 definition */
0118 #define IDH_PTYPE_UNDEF     0
0119 
0120 /* SOP Product Type (UFP) */
0121 #define IDH_PTYPE_NOT_UFP   0
0122 #define IDH_PTYPE_HUB       1
0123 #define IDH_PTYPE_PERIPH    2
0124 #define IDH_PTYPE_PSD       3
0125 #define IDH_PTYPE_AMA       5
0126 
0127 /* SOP' Product Type (Cable Plug / VPD) */
0128 #define IDH_PTYPE_NOT_CABLE 0
0129 #define IDH_PTYPE_PCABLE    3
0130 #define IDH_PTYPE_ACABLE    4
0131 #define IDH_PTYPE_VPD       6
0132 
0133 /* SOP Product Type (DFP) */
0134 #define IDH_PTYPE_NOT_DFP   0
0135 #define IDH_PTYPE_DFP_HUB   1
0136 #define IDH_PTYPE_DFP_HOST  2
0137 #define IDH_PTYPE_DFP_PB    3
0138 
0139 /* ID Header Mask */
0140 #define IDH_DFP_MASK        GENMASK(25, 23)
0141 #define IDH_CONN_MASK       GENMASK(22, 21)
0142 
0143 #define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)        \
0144     ((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27        \
0145      | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21    \
0146      | ((vid) & 0xffff))
0147 
0148 #define PD_IDH_PTYPE(vdo)   (((vdo) >> 27) & 0x7)
0149 #define PD_IDH_VID(vdo)     ((vdo) & 0xffff)
0150 #define PD_IDH_MODAL_SUPP(vdo)  ((vdo) & (1 << 26))
0151 #define PD_IDH_DFP_PTYPE(vdo)   (((vdo) >> 23) & 0x7)
0152 #define PD_IDH_CONN_TYPE(vdo)   (((vdo) >> 21) & 0x3)
0153 
0154 /*
0155  * Cert Stat VDO
0156  * -------------
0157  * <31:0>  : USB-IF assigned XID for this cable
0158  */
0159 #define PD_CSTAT_XID(vdo)   (vdo)
0160 #define VDO_CERT(xid)       ((xid) & 0xffffffff)
0161 
0162 /*
0163  * Product VDO
0164  * -----------
0165  * <31:16> : USB Product ID
0166  * <15:0>  : USB bcdDevice
0167  */
0168 #define VDO_PRODUCT(pid, bcd)   (((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
0169 #define PD_PRODUCT_PID(vdo) (((vdo) >> 16) & 0xffff)
0170 
0171 /*
0172  * UFP VDO (PD Revision 3.0+ only)
0173  * --------
0174  * <31:29> :: UFP VDO version
0175  * <28>    :: Reserved
0176  * <27:24> :: Device capability
0177  * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
0178  * <21:11> :: Reserved
0179  * <10:8>  :: Vconn power (AMA only)
0180  * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
0181  * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
0182  * <5:3>   :: Alternate modes
0183  * <2:0>   :: USB highest speed
0184  */
0185 #define PD_VDO_UFP_DEVCAP(vdo)  (((vdo) & GENMASK(27, 24)) >> 24)
0186 
0187 /* UFP VDO Version */
0188 #define UFP_VDO_VER1_2      2
0189 
0190 /* Device Capability */
0191 #define DEV_USB2_CAPABLE    BIT(0)
0192 #define DEV_USB2_BILLBOARD  BIT(1)
0193 #define DEV_USB3_CAPABLE    BIT(2)
0194 #define DEV_USB4_CAPABLE    BIT(3)
0195 
0196 /* Connector Type */
0197 #define UFP_RECEPTACLE      2
0198 #define UFP_CAPTIVE     3
0199 
0200 /* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
0201 #define AMA_VCONN_PWR_1W    0
0202 #define AMA_VCONN_PWR_1W5   1
0203 #define AMA_VCONN_PWR_2W    2
0204 #define AMA_VCONN_PWR_3W    3
0205 #define AMA_VCONN_PWR_4W    4
0206 #define AMA_VCONN_PWR_5W    5
0207 #define AMA_VCONN_PWR_6W    6
0208 
0209 /* Vconn Required (AMA only) */
0210 #define AMA_VCONN_NOT_REQ   0
0211 #define AMA_VCONN_REQ       1
0212 
0213 /* Vbus Required (AMA only) */
0214 #define AMA_VBUS_REQ        0
0215 #define AMA_VBUS_NOT_REQ    1
0216 
0217 /* Alternate Modes */
0218 #define UFP_ALTMODE_NOT_SUPP    0
0219 #define UFP_ALTMODE_TBT3    BIT(0)
0220 #define UFP_ALTMODE_RECFG   BIT(1)
0221 #define UFP_ALTMODE_NO_RECFG    BIT(2)
0222 
0223 /* USB Highest Speed */
0224 #define UFP_USB2_ONLY       0
0225 #define UFP_USB32_GEN1      1
0226 #define UFP_USB32_4_GEN2    2
0227 #define UFP_USB4_GEN3       3
0228 
0229 #define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)          \
0230     (((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22   \
0231      | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3  \
0232      | ((spd) & 0x7))
0233 
0234 /*
0235  * DFP VDO (PD Revision 3.0+ only)
0236  * --------
0237  * <31:29> :: DFP VDO version
0238  * <28:27> :: Reserved
0239  * <26:24> :: Host capability
0240  * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
0241  * <21:5>  :: Reserved
0242  * <4:0>   :: Port number
0243  */
0244 #define PD_VDO_DFP_HOSTCAP(vdo) (((vdo) & GENMASK(26, 24)) >> 24)
0245 
0246 #define DFP_VDO_VER1_1      1
0247 #define HOST_USB2_CAPABLE   BIT(0)
0248 #define HOST_USB3_CAPABLE   BIT(1)
0249 #define HOST_USB4_CAPABLE   BIT(2)
0250 #define DFP_RECEPTACLE      2
0251 #define DFP_CAPTIVE     3
0252 
0253 #define VDO_DFP(ver, cap, conn, pnum)                       \
0254     (((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22   \
0255      | ((pnum) & 0x1f))
0256 
0257 /*
0258  * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
0259  * ---------
0260  * <31:28> :: Cable HW version
0261  * <27:24> :: Cable FW version
0262  * <23:20> :: Reserved, Shall be set to zero
0263  * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
0264  * <17>    :: Reserved, Shall be set to zero
0265  * <16:13> :: cable latency (0001 == <10ns(~1m length))
0266  * <12:11> :: cable termination type (11b == both ends active VCONN req)
0267  * <10>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
0268  * <9>     :: SSTX2 Directionality support
0269  * <8>     :: SSRX1 Directionality support
0270  * <7>     :: SSRX2 Directionality support
0271  * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
0272  * <4>     :: Vbus through cable (0b == no, 1b == yes)
0273  * <3>     :: SOP" controller present? (0b == no, 1b == yes)
0274  * <2:0>   :: USB SS Signaling support
0275  *
0276  * Passive Cable VDO (PD Rev3.0+)
0277  * ---------
0278  * <31:28> :: Cable HW version
0279  * <27:24> :: Cable FW version
0280  * <23:21> :: VDO version
0281  * <20>    :: Reserved, Shall be set to zero
0282  * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
0283  * <17>    :: Reserved, Shall be set to zero
0284  * <16:13> :: cable latency (0001 == <10ns(~1m length))
0285  * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
0286  * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
0287  * <8:7>   :: Reserved, Shall be set to zero
0288  * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
0289  * <4:3>   :: Reserved, Shall be set to zero
0290  * <2:0>   :: USB highest speed
0291  *
0292  * Active Cable VDO 1 (PD Rev3.0+)
0293  * ---------
0294  * <31:28> :: Cable HW version
0295  * <27:24> :: Cable FW version
0296  * <23:21> :: VDO version
0297  * <20>    :: Reserved, Shall be set to zero
0298  * <19:18> :: Connector type (10b == C, 11b == Captive)
0299  * <17>    :: Reserved, Shall be set to zero
0300  * <16:13> :: cable latency (0001 == <10ns(~1m length))
0301  * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
0302  * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
0303  * <8>     :: SBU supported (0b == supported, 1b == not supported)
0304  * <7>     :: SBU type (0b == passive, 1b == active)
0305  * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
0306  * <4>     :: Vbus through cable (0b == no, 1b == yes)
0307  * <3>     :: SOP" controller present? (0b == no, 1b == yes)
0308  * <2:0>   :: USB highest speed
0309  */
0310 /* Cable VDO Version */
0311 #define CABLE_VDO_VER1_0    0
0312 #define CABLE_VDO_VER1_3    3
0313 
0314 /* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
0315 #define CABLE_ATYPE     0
0316 #define CABLE_BTYPE     1
0317 #define CABLE_CTYPE     2
0318 #define CABLE_CAPTIVE       3
0319 
0320 /* Cable Latency */
0321 #define CABLE_LATENCY_1M    1
0322 #define CABLE_LATENCY_2M    2
0323 #define CABLE_LATENCY_3M    3
0324 #define CABLE_LATENCY_4M    4
0325 #define CABLE_LATENCY_5M    5
0326 #define CABLE_LATENCY_6M    6
0327 #define CABLE_LATENCY_7M    7
0328 #define CABLE_LATENCY_7M_PLUS   8
0329 
0330 /* Cable Termination Type */
0331 #define PCABLE_VCONN_NOT_REQ    0
0332 #define PCABLE_VCONN_REQ    1
0333 #define ACABLE_ONE_END      2
0334 #define ACABLE_BOTH_END     3
0335 
0336 /* Maximum Vbus Voltage */
0337 #define CABLE_MAX_VBUS_20V  0
0338 #define CABLE_MAX_VBUS_30V  1
0339 #define CABLE_MAX_VBUS_40V  2
0340 #define CABLE_MAX_VBUS_50V  3
0341 
0342 /* Active Cable SBU Supported/Type */
0343 #define ACABLE_SBU_SUPP     0
0344 #define ACABLE_SBU_NOT_SUPP 1
0345 #define ACABLE_SBU_PASSIVE  0
0346 #define ACABLE_SBU_ACTIVE   1
0347 
0348 /* Vbus Current Handling Capability */
0349 #define CABLE_CURR_DEF      0
0350 #define CABLE_CURR_3A       1
0351 #define CABLE_CURR_5A       2
0352 
0353 /* USB SuperSpeed Signaling Support (PD Rev2.0) */
0354 #define CABLE_USBSS_U2_ONLY 0
0355 #define CABLE_USBSS_U31_GEN1    1
0356 #define CABLE_USBSS_U31_GEN2    2
0357 
0358 /* USB Highest Speed */
0359 #define CABLE_USB2_ONLY     0
0360 #define CABLE_USB32_GEN1    1
0361 #define CABLE_USB32_4_GEN2  2
0362 #define CABLE_USB4_GEN3     3
0363 
0364 #define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
0365     (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18      \
0366      | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10        \
0367      | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5     \
0368      | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
0369 #define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)         \
0370     (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21      \
0371      | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11    \
0372      | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
0373 #define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
0374     (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21      \
0375      | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11    \
0376      | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5   \
0377      | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
0378 
0379 #define VDO_TYPEC_CABLE_TYPE(vdo)   (((vdo) >> 18) & 0x3)
0380 
0381 /*
0382  * Active Cable VDO 2
0383  * ---------
0384  * <31:24> :: Maximum operating temperature
0385  * <23:16> :: Shutdown temperature
0386  * <15>    :: Reserved, Shall be set to zero
0387  * <14:12> :: U3/CLd power
0388  * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
0389  * <10>    :: Physical connection (0b == copper, 1b == optical)
0390  * <9>     :: Active element (0b == redriver, 1b == retimer)
0391  * <8>     :: USB4 supported (0b == yes, 1b == no)
0392  * <7:6>   :: USB2 hub hops consumed
0393  * <5>     :: USB2 supported (0b == yes, 1b == no)
0394  * <4>     :: USB3.2 supported (0b == yes, 1b == no)
0395  * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
0396  * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
0397  * <1>     :: Reserved, Shall be set to zero
0398  * <0>     :: USB gen (0b == gen1, 1b == gen2+)
0399  */
0400 /* U3/CLd Power*/
0401 #define ACAB2_U3_CLD_10MW_PLUS  0
0402 #define ACAB2_U3_CLD_10MW   1
0403 #define ACAB2_U3_CLD_5MW    2
0404 #define ACAB2_U3_CLD_1MW    3
0405 #define ACAB2_U3_CLD_500UW  4
0406 #define ACAB2_U3_CLD_200UW  5
0407 #define ACAB2_U3_CLD_50UW   6
0408 
0409 /* Other Active Cable VDO 2 Fields */
0410 #define ACAB2_U3U0_DIRECT   0
0411 #define ACAB2_U3U0_U3S      1
0412 #define ACAB2_PHY_COPPER    0
0413 #define ACAB2_PHY_OPTICAL   1
0414 #define ACAB2_REDRIVER      0
0415 #define ACAB2_RETIMER       1
0416 #define ACAB2_USB4_SUPP     0
0417 #define ACAB2_USB4_NOT_SUPP 1
0418 #define ACAB2_USB2_SUPP     0
0419 #define ACAB2_USB2_NOT_SUPP 1
0420 #define ACAB2_USB32_SUPP    0
0421 #define ACAB2_USB32_NOT_SUPP    1
0422 #define ACAB2_LANES_ONE     0
0423 #define ACAB2_LANES_TWO     1
0424 #define ACAB2_OPT_ISO_NO    0
0425 #define ACAB2_OPT_ISO_YES   1
0426 #define ACAB2_GEN_1     0
0427 #define ACAB2_GEN_2_PLUS    1
0428 
0429 #define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)  \
0430     (((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12  \
0431      | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8         \
0432      | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3       \
0433      | (iso) << 2 | (gen))
0434 
0435 /*
0436  * AMA VDO (PD Rev2.0)
0437  * ---------
0438  * <31:28> :: Cable HW version
0439  * <27:24> :: Cable FW version
0440  * <23:12> :: Reserved, Shall be set to zero
0441  * <11>    :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
0442  * <10>    :: SSTX2 Directionality support
0443  * <9>     :: SSRX1 Directionality support
0444  * <8>     :: SSRX2 Directionality support
0445  * <7:5>   :: Vconn power
0446  * <4>     :: Vconn power required
0447  * <3>     :: Vbus power required
0448  * <2:0>   :: USB SS Signaling support
0449  */
0450 #define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
0451     (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24            \
0452      | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8  \
0453      | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3       \
0454      | ((usbss) & 0x7))
0455 
0456 #define PD_VDO_AMA_VCONN_REQ(vdo)   (((vdo) >> 4) & 1)
0457 #define PD_VDO_AMA_VBUS_REQ(vdo)    (((vdo) >> 3) & 1)
0458 
0459 #define AMA_USBSS_U2_ONLY   0
0460 #define AMA_USBSS_U31_GEN1  1
0461 #define AMA_USBSS_U31_GEN2  2
0462 #define AMA_USBSS_BBONLY    3
0463 
0464 /*
0465  * VPD VDO
0466  * ---------
0467  * <31:28> :: HW version
0468  * <27:24> :: FW version
0469  * <23:21> :: VDO version
0470  * <20:17> :: Reserved, Shall be set to zero
0471  * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
0472  * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
0473  * <13>    :: Reserved, Shall be set to zero
0474  * <12:7>  :: Vbus impedance
0475  * <6:1>   :: Ground impedance
0476  * <0>     :: Charge through support (0b == no, 1b == yes)
0477  */
0478 #define VPD_VDO_VER1_0      0
0479 #define VPD_MAX_VBUS_20V    0
0480 #define VPD_MAX_VBUS_30V    1
0481 #define VPD_MAX_VBUS_40V    2
0482 #define VPD_MAX_VBUS_50V    3
0483 #define VPDCT_CURR_3A       0
0484 #define VPDCT_CURR_5A       1
0485 #define VPDCT_NOT_SUPP      0
0486 #define VPDCT_SUPP      1
0487 
0488 #define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)            \
0489     (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21  \
0490      | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \
0491      | ((gi) & 0x3f) << 1 | (ct))
0492 
0493 /*
0494  * SVDM Discover SVIDs request -> response
0495  *
0496  * Request is properly formatted VDM Header with discover SVIDs command.
0497  * Response is a set of SVIDs of all supported SVIDs with all zero's to
0498  * mark the end of SVIDs.  If more than 12 SVIDs are supported command SHOULD be
0499  * repeated.
0500  */
0501 #define VDO_SVID(svid0, svid1)  (((svid0) & 0xffff) << 16 | ((svid1) & 0xffff))
0502 #define PD_VDO_SVID_SVID0(vdo)  ((vdo) >> 16)
0503 #define PD_VDO_SVID_SVID1(vdo)  ((vdo) & 0xffff)
0504 
0505 /* USB-IF SIDs */
0506 #define USB_SID_PD      0xff00 /* power delivery */
0507 #define USB_SID_DISPLAYPORT 0xff01
0508 #define USB_SID_MHL     0xff02  /* Mobile High-Definition Link */
0509 
0510 /* VDM command timeouts (in ms) */
0511 
0512 #define PD_T_VDM_UNSTRUCTURED   500
0513 #define PD_T_VDM_BUSY       100
0514 #define PD_T_VDM_WAIT_MODE_E    100
0515 #define PD_T_VDM_SNDR_RSP   30
0516 #define PD_T_VDM_E_MODE     25
0517 #define PD_T_VDM_RCVR_RSP   15
0518 
0519 #endif /* __LINUX_USB_PD_VDO_H */
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