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 structure 7 * 8 * Author: Tevin Chen 9 * 10 * Date: Mar 17, 1997 11 * 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 SIOCETHTOOL 33 #define DEVICE_ETHTOOL_IOCTL_SUPPORT 34 #include <linux/ethtool.h> 35 #else 36 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT 37 #endif 38 39 #define RATE_1M 0 40 #define RATE_2M 1 41 #define RATE_5M 2 42 #define RATE_11M 3 43 #define RATE_6M 4 44 #define RATE_9M 5 45 #define RATE_12M 6 46 #define RATE_18M 7 47 #define RATE_24M 8 48 #define RATE_36M 9 49 #define RATE_48M 10 50 #define RATE_54M 11 51 #define RATE_AUTO 12 52 53 #define MAX_RATE 12 54 #define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\ 55 BIT(RATE_5M) | BIT(RATE_11M)) 56 57 /* 58 * device specific 59 */ 60 61 #include "wcmd.h" 62 #include "desc.h" 63 #include "key.h" 64 #include "card.h" 65 66 #define VNT_USB_VENDOR_ID 0x160a 67 #define VNT_USB_PRODUCT_ID 0x3184 68 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 0x400 77 78 #define MAX_UINTS 8 79 #define OPTION_DEFAULT { [0 ... MAX_UINTS - 1] = -1} 80 81 #define DUPLICATE_RX_CACHE_LENGTH 5 82 83 #define AUTO_FB_NONE 0 84 #define AUTO_FB_0 1 85 #define AUTO_FB_1 2 86 87 #define FB_RATE0 0 88 #define FB_RATE1 1 89 90 /* Antenna Mode */ 91 #define ANT_A 0 92 #define ANT_B 1 93 #define ANT_DIVERSITY 2 94 #define ANT_RXD_TXA 3 95 #define ANT_RXD_TXB 4 96 #define ANT_UNKNOWN 0xFF 97 #define ANT_TXA 0 98 #define ANT_TXB 1 99 #define ANT_RXA 2 100 #define ANT_RXB 3 101 102 #define BB_VGA_LEVEL 4 103 #define BB_VGA_CHANGE_THRESHOLD 3 104 105 #define EEP_MAX_CONTEXT_SIZE 256 106 107 /* Contents in the EEPROM */ 108 #define EEP_OFS_PAR 0x0 109 #define EEP_OFS_ANTENNA 0x17 110 #define EEP_OFS_RADIOCTL 0x18 111 #define EEP_OFS_RFTYPE 0x1b 112 #define EEP_OFS_MINCHANNEL 0x1c 113 #define EEP_OFS_MAXCHANNEL 0x1d 114 #define EEP_OFS_SIGNATURE 0x1e 115 #define EEP_OFS_ZONETYPE 0x1f 116 #define EEP_OFS_RFTABLE 0x20 117 #define EEP_OFS_PWR_CCK 0x20 118 #define EEP_OFS_SETPT_CCK 0x21 119 #define EEP_OFS_PWR_OFDMG 0x23 120 121 #define EEP_OFS_CALIB_TX_IQ 0x24 122 #define EEP_OFS_CALIB_TX_DC 0x25 123 #define EEP_OFS_CALIB_RX_IQ 0x26 124 125 #define EEP_OFS_MAJOR_VER 0x2e 126 #define EEP_OFS_MINOR_VER 0x2f 127 128 #define EEP_OFS_CCK_PWR_TBL 0x30 129 #define EEP_OFS_OFDM_PWR_TBL 0x40 130 #define EEP_OFS_OFDMA_PWR_TBL 0x50 131 132 /* 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 0x1 142 #define MESSAGE_TYPE_WRITE 0x0 143 #define MESSAGE_TYPE_LOCK_OR 0x2 144 #define MESSAGE_TYPE_LOCK_AND 0x3 145 #define MESSAGE_TYPE_WRITE_MASK 0x4 146 #define MESSAGE_TYPE_CARDINIT 0x5 147 #define MESSAGE_TYPE_INIT_RSP 0x6 148 #define MESSAGE_TYPE_MACSHUTDOWN 0x7 149 #define MESSAGE_TYPE_SETKEY 0x8 150 #define MESSAGE_TYPE_CLRKEYENTRY 0x9 151 #define MESSAGE_TYPE_WRITE_MISCFF 0xa 152 #define MESSAGE_TYPE_SET_ANTMD 0xb 153 #define MESSAGE_TYPE_SELECT_CHANNEL 0xc 154 #define MESSAGE_TYPE_SET_TSFTBTT 0xd 155 #define MESSAGE_TYPE_SET_SSTIFS 0xe 156 #define MESSAGE_TYPE_CHANGE_BBTYPE 0xf 157 #define MESSAGE_TYPE_DISABLE_PS 0x10 158 #define MESSAGE_TYPE_WRITE_IFRF 0x11 159 160 /* command read/write(index) */ 161 #define MESSAGE_REQUEST_MEM 0x1 162 #define MESSAGE_REQUEST_BBREG 0x2 163 #define MESSAGE_REQUEST_MACREG 0x3 164 #define MESSAGE_REQUEST_EEPROM 0x4 165 #define MESSAGE_REQUEST_TSF 0x5 166 #define MESSAGE_REQUEST_TBTT 0x6 167 #define MESSAGE_REQUEST_BBAGC 0x7 168 #define MESSAGE_REQUEST_VERSION 0x8 169 #define MESSAGE_REQUEST_RF_INIT 0x9 170 #define MESSAGE_REQUEST_RF_INIT2 0xa 171 #define MESSAGE_REQUEST_RF_CH0 0xb 172 #define MESSAGE_REQUEST_RF_CH1 0xc 173 #define MESSAGE_REQUEST_RF_CH2 0xd 174 175 /* USB registers */ 176 #define USB_REG4 0x604 177 178 #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 */ 183 struct 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 }; 190 191 struct 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 SendPacket 203 */ 204 enum { 205 CONTEXT_DATA_PACKET = 0, 206 CONTEXT_BEACON_PACKET 207 }; 208 209 struct vnt_rx_header { 210 u32 wbk_status; 211 u8 rx_sts; 212 u8 rx_rate; 213 u16 pay_load_len; 214 } __packed; 215 216 struct 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) */ 226 struct vnt_rcb { 227 void *priv; 228 struct urb *urb; 229 struct sk_buff *skb; 230 }; 231 232 /* used to track bulk out irps */ 233 struct 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 packets 248 */ 249 struct vnt_interrupt_buffer { 250 u8 *data_buf; 251 }; 252 253 /* flags for options */ 254 #define DEVICE_FLAGS_UNPLUG 0 255 #define DEVICE_FLAGS_DISCONNECTED 1 256 257 struct 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 }; 383 384 int vnt_init(struct vnt_private *priv); 385 386 #endif 387