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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.4 * All rights reserved.5 *6 * Purpose: MAC Data structure7 *8 * Author: Tevin Chen9 *10 * Date: Mar 17, 199711 *12 */13 14#ifndef __DEVICE_H__15#define __DEVICE_H__16 17#include <linux/bits.h>18#include <linux/module.h>19#include <linux/kernel.h>20#include <linux/slab.h>21#include <linux/delay.h>22#include <linux/device.h>23#include <linux/firmware.h>24#include <linux/suspend.h>25#include <linux/if_arp.h>26#include <linux/wireless.h>27#include <linux/timer.h>28#include <linux/usb.h>29#include <linux/crc32.h>30#include <net/mac80211.h>31 32#ifdef SIOCETHTOOL33#define DEVICE_ETHTOOL_IOCTL_SUPPORT34#include <linux/ethtool.h>35#else36#undef DEVICE_ETHTOOL_IOCTL_SUPPORT37#endif38 39#define RATE_1M 040#define RATE_2M 141#define RATE_5M 242#define RATE_11M 343#define RATE_6M 444#define RATE_9M 545#define RATE_12M 646#define RATE_18M 747#define RATE_24M 848#define RATE_36M 949#define RATE_48M 1050#define RATE_54M 1151#define RATE_AUTO 1252 53#define MAX_RATE 1254#define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\55 BIT(RATE_5M) | BIT(RATE_11M))56 57/*58 * device specific59 */60 61#include "wcmd.h"62#include "desc.h"63#include "key.h"64#include "card.h"65 66#define VNT_USB_VENDOR_ID 0x160a67#define VNT_USB_PRODUCT_ID 0x318468 69#define DEVICE_NAME "vt6656"70#define DEVICE_FULL_DRV_NAM "VIA Networking Wireless LAN USB Driver"71 72#define DEVICE_VERSION "mac80211"73 74#define FIRMWARE_VERSION 0x133 /* version 1.51 */75#define FIRMWARE_NAME "vntwusb.fw"76#define FIRMWARE_CHUNK_SIZE 0x40077 78#define MAX_UINTS 879#define OPTION_DEFAULT { [0 ... MAX_UINTS - 1] = -1}80 81#define DUPLICATE_RX_CACHE_LENGTH 582 83#define AUTO_FB_NONE 084#define AUTO_FB_0 185#define AUTO_FB_1 286 87#define FB_RATE0 088#define FB_RATE1 189 90/* Antenna Mode */91#define ANT_A 092#define ANT_B 193#define ANT_DIVERSITY 294#define ANT_RXD_TXA 395#define ANT_RXD_TXB 496#define ANT_UNKNOWN 0xFF97#define ANT_TXA 098#define ANT_TXB 199#define ANT_RXA 2100#define ANT_RXB 3101 102#define BB_VGA_LEVEL 4103#define BB_VGA_CHANGE_THRESHOLD 3104 105#define EEP_MAX_CONTEXT_SIZE 256106 107/* Contents in the EEPROM */108#define EEP_OFS_PAR 0x0109#define EEP_OFS_ANTENNA 0x17110#define EEP_OFS_RADIOCTL 0x18111#define EEP_OFS_RFTYPE 0x1b112#define EEP_OFS_MINCHANNEL 0x1c113#define EEP_OFS_MAXCHANNEL 0x1d114#define EEP_OFS_SIGNATURE 0x1e115#define EEP_OFS_ZONETYPE 0x1f116#define EEP_OFS_RFTABLE 0x20117#define EEP_OFS_PWR_CCK 0x20118#define EEP_OFS_SETPT_CCK 0x21119#define EEP_OFS_PWR_OFDMG 0x23120 121#define EEP_OFS_CALIB_TX_IQ 0x24122#define EEP_OFS_CALIB_TX_DC 0x25123#define EEP_OFS_CALIB_RX_IQ 0x26124 125#define EEP_OFS_MAJOR_VER 0x2e126#define EEP_OFS_MINOR_VER 0x2f127 128#define EEP_OFS_CCK_PWR_TBL 0x30129#define EEP_OFS_OFDM_PWR_TBL 0x40130#define EEP_OFS_OFDMA_PWR_TBL 0x50131 132/* Bits in EEP_OFS_ANTENNA */133#define EEP_ANTENNA_MAIN BIT(0)134#define EEP_ANTENNA_AUX BIT(1)135#define EEP_ANTINV BIT(2)136 137/* Bits in EEP_OFS_RADIOCTL */138#define EEP_RADIOCTL_ENABLE BIT(7)139 140/* control commands */141#define MESSAGE_TYPE_READ 0x1142#define MESSAGE_TYPE_WRITE 0x0143#define MESSAGE_TYPE_LOCK_OR 0x2144#define MESSAGE_TYPE_LOCK_AND 0x3145#define MESSAGE_TYPE_WRITE_MASK 0x4146#define MESSAGE_TYPE_CARDINIT 0x5147#define MESSAGE_TYPE_INIT_RSP 0x6148#define MESSAGE_TYPE_MACSHUTDOWN 0x7149#define MESSAGE_TYPE_SETKEY 0x8150#define MESSAGE_TYPE_CLRKEYENTRY 0x9151#define MESSAGE_TYPE_WRITE_MISCFF 0xa152#define MESSAGE_TYPE_SET_ANTMD 0xb153#define MESSAGE_TYPE_SELECT_CHANNEL 0xc154#define MESSAGE_TYPE_SET_TSFTBTT 0xd155#define MESSAGE_TYPE_SET_SSTIFS 0xe156#define MESSAGE_TYPE_CHANGE_BBTYPE 0xf157#define MESSAGE_TYPE_DISABLE_PS 0x10158#define MESSAGE_TYPE_WRITE_IFRF 0x11159 160/* command read/write(index) */161#define MESSAGE_REQUEST_MEM 0x1162#define MESSAGE_REQUEST_BBREG 0x2163#define MESSAGE_REQUEST_MACREG 0x3164#define MESSAGE_REQUEST_EEPROM 0x4165#define MESSAGE_REQUEST_TSF 0x5166#define MESSAGE_REQUEST_TBTT 0x6167#define MESSAGE_REQUEST_BBAGC 0x7168#define MESSAGE_REQUEST_VERSION 0x8169#define MESSAGE_REQUEST_RF_INIT 0x9170#define MESSAGE_REQUEST_RF_INIT2 0xa171#define MESSAGE_REQUEST_RF_CH0 0xb172#define MESSAGE_REQUEST_RF_CH1 0xc173#define MESSAGE_REQUEST_RF_CH2 0xd174 175/* USB registers */176#define USB_REG4 0x604177 178#define DEVICE_INIT_COLD 0x0 /* cold init */179#define DEVICE_INIT_RESET 0x1 /* reset init or Dx to D0 power remain */180#define DEVICE_INIT_DXPL 0x2 /* Dx to D0 power lost init */181 182/* Device init */183struct vnt_cmd_card_init {184 u8 init_class;185 u8 exist_sw_net_addr;186 u8 sw_net_addr[6];187 u8 short_retry_limit;188 u8 long_retry_limit;189};190 191struct vnt_rsp_card_init {192 u8 status;193 u8 net_addr[6];194 u8 rf_type;195 u8 min_channel;196 u8 max_channel;197};198 199/* USB */200 201/*202 * Enum of context types for SendPacket203 */204enum {205 CONTEXT_DATA_PACKET = 0,206 CONTEXT_BEACON_PACKET207};208 209struct vnt_rx_header {210 u32 wbk_status;211 u8 rx_sts;212 u8 rx_rate;213 u16 pay_load_len;214} __packed;215 216struct vnt_rx_tail {217 __le64 tsf_time;218 u8 sq;219 u8 new_rsr;220 u8 rssi;221 u8 rsr;222 u8 sq_3;223} __packed;224 225/* RCB (Receive Control Block) */226struct vnt_rcb {227 void *priv;228 struct urb *urb;229 struct sk_buff *skb;230};231 232/* used to track bulk out irps */233struct vnt_usb_send_context {234 void *priv;235 struct sk_buff *skb;236 void *tx_buffer;237 u32 frame_len;238 u16 tx_hdr_size;239 u16 tx_rate;240 u8 type;241 u8 pkt_no;242 u8 pkt_type;243 bool in_use;244};245 246/*247 * Structure to keep track of USB interrupt packets248 */249struct vnt_interrupt_buffer {250 u8 *data_buf;251};252 253/* flags for options */254#define DEVICE_FLAGS_UNPLUG 0255#define DEVICE_FLAGS_DISCONNECTED 1256 257struct vnt_private {258 /* mac80211 */259 struct ieee80211_hw *hw;260 struct ieee80211_vif *vif;261 u8 mac_hw;262 /* netdev */263 struct usb_device *usb;264 struct usb_interface *intf;265 266 u64 tsf_time;267 268 u32 rx_buf_sz;269 int mc_list_count;270 271 spinlock_t lock; /* prepare tx USB URB */272 struct mutex usb_lock; /* USB control messages */273 274 unsigned long flags;275 276 /* USB */277 struct urb *interrupt_urb;278 u32 int_interval;279 280 /* Variables to track resources for the BULK In Pipe */281 struct vnt_rcb *rcb[CB_MAX_RX_DESC];282 u32 num_rcb;283 284 /* Variables to track resources for the BULK Out Pipe */285 struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];286 struct usb_anchor tx_submitted;287 u32 num_tx_context;288 289 /* Variables to track resources for the Interrupt In Pipe */290 struct vnt_interrupt_buffer int_buf;291 292 /* Version control */293 u16 firmware_version;294 u8 local_id;295 u8 rf_type;296 u8 bb_rx_conf;297 298 struct vnt_cmd_card_init init_command;299 struct vnt_rsp_card_init init_response;300 u8 current_net_addr[ETH_ALEN] __aligned(2);301 u8 permanent_net_addr[ETH_ALEN] __aligned(2);302 303 u8 exist_sw_net_addr;304 305 u64 current_tsf;306 307 /* 802.11 MAC specific */308 u32 current_rssi;309 310 /* Antenna Diversity */311 int tx_rx_ant_inv;312 u32 rx_antenna_sel;313 u8 rx_antenna_mode;314 u8 tx_antenna_mode;315 u8 radio_ctl;316 317 /* IFS & Cw */318 u32 sifs; /* Current SIFS */319 u32 difs; /* Current DIFS */320 u32 eifs; /* Current EIFS */321 u32 slot; /* Current SlotTime */322 323 /* Rate */324 u8 bb_type; /* 0: 11A, 1:11B, 2:11G */325 u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */326 u32 basic_rates;327 u8 top_ofdm_basic_rate;328 u8 top_cck_basic_rate;329 330 u8 eeprom[EEP_MAX_CONTEXT_SIZE]; /*u32 alignment */331 332 u8 preamble_type;333 334 /* For RF Power table */335 u8 cck_pwr;336 u8 ofdm_pwr_g;337 u8 ofdm_pwr_a;338 u8 power;339 u8 cck_pwr_tbl[14];340 u8 ofdm_pwr_tbl[14];341 u8 ofdm_a_pwr_tbl[42];342 343 u16 tx_rate_fb0;344 u16 tx_rate_fb1;345 346 enum nl80211_iftype op_mode;347 348 int short_slot_time;349 350 /* Power save */351 u16 current_aid;352 353 /* Beacon related */354 u16 seq_counter;355 356 enum vnt_cmd_state command_state;357 358 enum vnt_cmd command;359 360 /* 802.11 counter */361 362 enum vnt_cmd cmd_queue[CMD_Q_SIZE];363 u32 cmd_dequeue_idx;364 u32 cmd_enqueue_idx;365 u32 free_cmd_queue;366 int cmd_running;367 368 unsigned long key_entry_inuse;369 370 u8 auto_fb_ctrl;371 372 /* For Update BaseBand VGA Gain Offset */373 u8 bb_vga[BB_VGA_LEVEL];374 375 u8 bb_pre_ed_rssi;376 u8 bb_pre_ed_index;377 378 /* command timer */379 struct delayed_work run_command_work;380 381 struct ieee80211_low_level_stats low_stats;382};383 384int vnt_init(struct vnt_private *priv);385 386#endif387