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 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
  * All rights reserved.
  *
  * Purpose: MAC Data structure
  *
  * Author: Tevin Chen
  *
  * Date: Mar 17, 1997
  *
  */
 
 #ifndef __DEVICE_H__
 #define __DEVICE_H__
 
 #include <linux/bits.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/firmware.h>
 #include <linux/suspend.h>
 #include <linux/if_arp.h>
 #include <linux/wireless.h>
 #include <linux/timer.h>
 #include <linux/usb.h>
 #include <linux/crc32.h>
 #include <net/mac80211.h>
 
 #ifdef SIOCETHTOOL
 #define DEVICE_ETHTOOL_IOCTL_SUPPORT
 #include <linux/ethtool.h>
 #else
 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT
 #endif
 
 #define RATE_1M     0
 #define RATE_2M     1
 #define RATE_5M     2
 #define RATE_11M    3
 #define RATE_6M     4
 #define RATE_9M     5
 #define RATE_12M    6
 #define RATE_18M    7
 #define RATE_24M    8
 #define RATE_36M    9
 #define RATE_48M    10
 #define RATE_54M    11
 #define RATE_AUTO   12
 
 #define MAX_RATE            12
 #define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\
             BIT(RATE_5M) | BIT(RATE_11M))
 
 /*
  * device specific
  */
 
 #include "wcmd.h"
 #include "desc.h"
 #include "key.h"
 #include "card.h"
 
 #define VNT_USB_VENDOR_ID                     0x160a
 #define VNT_USB_PRODUCT_ID                    0x3184
 
 #define DEVICE_NAME         "vt6656"
 #define DEVICE_FULL_DRV_NAM     "VIA Networking Wireless LAN USB Driver"
 
 #define DEVICE_VERSION          "mac80211"
 
 #define FIRMWARE_VERSION        0x133       /* version 1.51 */
 #define FIRMWARE_NAME           "vntwusb.fw"
 #define FIRMWARE_CHUNK_SIZE     0x400
 
 #define MAX_UINTS           8
 #define OPTION_DEFAULT          { [0 ... MAX_UINTS - 1] = -1}
 
 #define DUPLICATE_RX_CACHE_LENGTH       5
 
 #define AUTO_FB_NONE            0
 #define AUTO_FB_0               1
 #define AUTO_FB_1               2
 
 #define FB_RATE0                0
 #define FB_RATE1                1
 
 /* Antenna Mode */
 #define ANT_A                   0
 #define ANT_B                   1
 #define ANT_DIVERSITY           2
 #define ANT_RXD_TXA             3
 #define ANT_RXD_TXB             4
 #define ANT_UNKNOWN             0xFF
 #define ANT_TXA                 0
 #define ANT_TXB                 1
 #define ANT_RXA                 2
 #define ANT_RXB                 3
 
 #define BB_VGA_LEVEL            4
 #define BB_VGA_CHANGE_THRESHOLD 3
 
 #define EEP_MAX_CONTEXT_SIZE    256
 
 /* Contents in the EEPROM */
 #define EEP_OFS_PAR     0x0
 #define EEP_OFS_ANTENNA     0x17
 #define EEP_OFS_RADIOCTL    0x18
 #define EEP_OFS_RFTYPE      0x1b
 #define EEP_OFS_MINCHANNEL  0x1c
 #define EEP_OFS_MAXCHANNEL  0x1d
 #define EEP_OFS_SIGNATURE   0x1e
 #define EEP_OFS_ZONETYPE    0x1f
 #define EEP_OFS_RFTABLE     0x20
 #define EEP_OFS_PWR_CCK     0x20
 #define EEP_OFS_SETPT_CCK   0x21
 #define EEP_OFS_PWR_OFDMG   0x23
 
 #define EEP_OFS_CALIB_TX_IQ 0x24
 #define EEP_OFS_CALIB_TX_DC 0x25
 #define EEP_OFS_CALIB_RX_IQ 0x26
 
 #define EEP_OFS_MAJOR_VER   0x2e
 #define EEP_OFS_MINOR_VER   0x2f
 
 #define EEP_OFS_CCK_PWR_TBL 0x30
 #define EEP_OFS_OFDM_PWR_TBL    0x40
 #define EEP_OFS_OFDMA_PWR_TBL   0x50
 
 /* Bits in EEP_OFS_ANTENNA */
 #define EEP_ANTENNA_MAIN    BIT(0)
 #define EEP_ANTENNA_AUX     BIT(1)
 #define EEP_ANTINV      BIT(2)
 
 /* Bits in EEP_OFS_RADIOCTL */
 #define EEP_RADIOCTL_ENABLE BIT(7)
 
 /* control commands */
 #define MESSAGE_TYPE_READ       0x1
 #define MESSAGE_TYPE_WRITE      0x0
 #define MESSAGE_TYPE_LOCK_OR        0x2
 #define MESSAGE_TYPE_LOCK_AND       0x3
 #define MESSAGE_TYPE_WRITE_MASK     0x4
 #define MESSAGE_TYPE_CARDINIT       0x5
 #define MESSAGE_TYPE_INIT_RSP       0x6
 #define MESSAGE_TYPE_MACSHUTDOWN    0x7
 #define MESSAGE_TYPE_SETKEY     0x8
 #define MESSAGE_TYPE_CLRKEYENTRY    0x9
 #define MESSAGE_TYPE_WRITE_MISCFF   0xa
 #define MESSAGE_TYPE_SET_ANTMD      0xb
 #define MESSAGE_TYPE_SELECT_CHANNEL 0xc
 #define MESSAGE_TYPE_SET_TSFTBTT    0xd
 #define MESSAGE_TYPE_SET_SSTIFS     0xe
 #define MESSAGE_TYPE_CHANGE_BBTYPE  0xf
 #define MESSAGE_TYPE_DISABLE_PS     0x10
 #define MESSAGE_TYPE_WRITE_IFRF     0x11
 
 /* command read/write(index) */
 #define MESSAGE_REQUEST_MEM     0x1
 #define MESSAGE_REQUEST_BBREG       0x2
 #define MESSAGE_REQUEST_MACREG      0x3
 #define MESSAGE_REQUEST_EEPROM      0x4
 #define MESSAGE_REQUEST_TSF     0x5
 #define MESSAGE_REQUEST_TBTT        0x6
 #define MESSAGE_REQUEST_BBAGC       0x7
 #define MESSAGE_REQUEST_VERSION     0x8
 #define MESSAGE_REQUEST_RF_INIT     0x9
 #define MESSAGE_REQUEST_RF_INIT2    0xa
 #define MESSAGE_REQUEST_RF_CH0      0xb
 #define MESSAGE_REQUEST_RF_CH1      0xc
 #define MESSAGE_REQUEST_RF_CH2      0xd
 
 /* USB registers */
 #define USB_REG4            0x604
 
 #define DEVICE_INIT_COLD    0x0 /* cold init */
 #define DEVICE_INIT_RESET   0x1 /* reset init or Dx to D0 power remain */
 #define DEVICE_INIT_DXPL    0x2 /* Dx to D0 power lost init */
 
 /* Device init */
 struct vnt_cmd_card_init {
     u8 init_class;
     u8 exist_sw_net_addr;
     u8 sw_net_addr[6];
     u8 short_retry_limit;
     u8 long_retry_limit;
 };
 
 struct vnt_rsp_card_init {
     u8 status;
     u8 net_addr[6];
     u8 rf_type;
     u8 min_channel;
     u8 max_channel;
 };
 
 /* USB */
 
 /*
  * Enum of context types for SendPacket
  */
 enum {
     CONTEXT_DATA_PACKET = 0,
     CONTEXT_BEACON_PACKET
 };
 
 struct vnt_rx_header {
     u32 wbk_status;
     u8 rx_sts;
     u8 rx_rate;
     u16 pay_load_len;
 } __packed;
 
 struct vnt_rx_tail {
     __le64 tsf_time;
     u8 sq;
     u8 new_rsr;
     u8 rssi;
     u8 rsr;
     u8 sq_3;
 } __packed;
 
 /* RCB (Receive Control Block) */
 struct vnt_rcb {
     void *priv;
     struct urb *urb;
     struct sk_buff *skb;
 };
 
 /* used to track bulk out irps */
 struct vnt_usb_send_context {
     void *priv;
     struct sk_buff *skb;
     void *tx_buffer;
     u32 frame_len;
     u16 tx_hdr_size;
     u16 tx_rate;
     u8 type;
     u8 pkt_no;
     u8 pkt_type;
     bool in_use;
 };
 
 /*
  * Structure to keep track of USB interrupt packets
  */
 struct vnt_interrupt_buffer {
     u8 *data_buf;
 };
 
 /* flags for options */
 #define DEVICE_FLAGS_UNPLUG     0
 #define DEVICE_FLAGS_DISCONNECTED   1
 
 struct vnt_private {
     /* mac80211 */
     struct ieee80211_hw *hw;
     struct ieee80211_vif *vif;
     u8 mac_hw;
     /* netdev */
     struct usb_device *usb;
     struct usb_interface *intf;
 
     u64 tsf_time;
 
     u32 rx_buf_sz;
     int mc_list_count;
 
     spinlock_t lock;        /* prepare tx USB URB */
     struct mutex usb_lock;      /* USB control messages */
 
     unsigned long flags;
 
     /* USB */
     struct urb *interrupt_urb;
     u32 int_interval;
 
     /* Variables to track resources for the BULK In Pipe */
     struct vnt_rcb *rcb[CB_MAX_RX_DESC];
     u32 num_rcb;
 
     /* Variables to track resources for the BULK Out Pipe */
     struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
     struct usb_anchor tx_submitted;
     u32 num_tx_context;
 
     /* Variables to track resources for the Interrupt In Pipe */
     struct vnt_interrupt_buffer int_buf;
 
     /* Version control */
     u16 firmware_version;
     u8 local_id;
     u8 rf_type;
     u8 bb_rx_conf;
 
     struct vnt_cmd_card_init init_command;
     struct vnt_rsp_card_init init_response;
     u8 current_net_addr[ETH_ALEN] __aligned(2);
     u8 permanent_net_addr[ETH_ALEN] __aligned(2);
 
     u8 exist_sw_net_addr;
 
     u64 current_tsf;
 
     /* 802.11 MAC specific */
     u32 current_rssi;
 
     /* Antenna Diversity */
     int tx_rx_ant_inv;
     u32 rx_antenna_sel;
     u8 rx_antenna_mode;
     u8 tx_antenna_mode;
     u8 radio_ctl;
 
     /* IFS & Cw */
     u32 sifs;  /* Current SIFS */
     u32 difs;  /* Current DIFS */
     u32 eifs;  /* Current EIFS */
     u32 slot;  /* Current SlotTime */
 
     /* Rate */
     u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
     u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
     u32 basic_rates;
     u8 top_ofdm_basic_rate;
     u8 top_cck_basic_rate;
 
     u8 eeprom[EEP_MAX_CONTEXT_SIZE];  /*u32 alignment */
 
     u8 preamble_type;
 
     /* For RF Power table */
     u8 cck_pwr;
     u8 ofdm_pwr_g;
     u8 ofdm_pwr_a;
     u8 power;
     u8 cck_pwr_tbl[14];
     u8 ofdm_pwr_tbl[14];
     u8 ofdm_a_pwr_tbl[42];
 
     u16 tx_rate_fb0;
     u16 tx_rate_fb1;
 
     enum nl80211_iftype op_mode;
 
     int short_slot_time;
 
     /* Power save */
     u16 current_aid;
 
     /* Beacon related */
     u16 seq_counter;
 
     enum vnt_cmd_state command_state;
 
     enum vnt_cmd command;
 
     /* 802.11 counter */
 
     enum vnt_cmd cmd_queue[CMD_Q_SIZE];
     u32 cmd_dequeue_idx;
     u32 cmd_enqueue_idx;
     u32 free_cmd_queue;
     int cmd_running;
 
     unsigned long key_entry_inuse;
 
     u8 auto_fb_ctrl;
 
     /* For Update BaseBand VGA Gain Offset */
     u8 bb_vga[BB_VGA_LEVEL];
 
     u8 bb_pre_ed_rssi;
     u8 bb_pre_ed_index;
 
     /* command timer */
     struct delayed_work run_command_work;
 
     struct ieee80211_low_level_stats low_stats;
 };
 
 int vnt_init(struct vnt_private *priv);
 
 #endif

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