drivers/staging/vt6656/device.h

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4  * All rights reserved.
   5  *
   6  * File: device.h
   7  *
   8  * Purpose: MAC Data structure
   9  *
  10  * Author: Tevin Chen
  11  *
  12  * Date: Mar 17, 1997
  13  *
  14  */
  15
  16 #ifndef __DEVICE_H__
  17 #define __DEVICE_H__
  18
  19 #include <linux/module.h>
  20 #include <linux/kernel.h>
  21 #include <linux/slab.h>
  22 #include <linux/delay.h>
  23 #include <linux/device.h>
  24 #include <linux/firmware.h>
  25 #include <linux/suspend.h>
  26 #include <linux/if_arp.h>
  27 #include <linux/wireless.h>
  28 #include <linux/timer.h>
  29 #include <linux/usb.h>
  30 #include <linux/crc32.h>
  31 #include <net/mac80211.h>
  32
  33 #ifdef SIOCETHTOOL
  34 #define DEVICE_ETHTOOL_IOCTL_SUPPORT
  35 #include <linux/ethtool.h>
  36 #else
  37 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT
  38 #endif
  39
  40 #define RATE_1M         0
  41 #define RATE_2M         1
  42 #define RATE_5M         2
  43 #define RATE_11M        3
  44 #define RATE_6M         4
  45 #define RATE_9M         5
  46 #define RATE_12M        6
  47 #define RATE_18M        7
  48 #define RATE_24M        8
  49 #define RATE_36M        9
  50 #define RATE_48M        10
  51 #define RATE_54M        11
  52 #define RATE_AUTO       12
  53
  54 #define MAX_RATE                        12
  55 #define VNT_B_RATES     (BIT(RATE_1M) | BIT(RATE_2M) |\
  56                         BIT(RATE_5M) | BIT(RATE_11M))
  57
  58 /*
  59  * device specific
  60  */
  61
  62 #include "wcmd.h"
  63 #include "desc.h"
  64 #include "key.h"
  65 #include "card.h"
  66
  67 #define VNT_USB_VENDOR_ID                     0x160a
  68 #define VNT_USB_PRODUCT_ID                    0x3184
  69
  70 #define DEVICE_NAME                     "vt6656"
  71 #define DEVICE_FULL_DRV_NAM             "VIA Networking Wireless LAN USB Driver"
  72
  73 #define DEVICE_VERSION                  "mac80211"
  74
  75 #define CONFIG_PATH                     "/etc/vntconfiguration.dat"
  76
  77 #define MAX_UINTS                       8
  78 #define OPTION_DEFAULT                  { [0 ... MAX_UINTS - 1] = -1}
  79
  80 #define DUPLICATE_RX_CACHE_LENGTH       5
  81
  82 #define AUTO_FB_NONE            0
  83 #define AUTO_FB_0               1
  84 #define AUTO_FB_1               2
  85
  86 #define FB_RATE0                0
  87 #define FB_RATE1                1
  88
  89 /* Antenna Mode */
  90 #define ANT_A                   0
  91 #define ANT_B                   1
  92 #define ANT_DIVERSITY           2
  93 #define ANT_RXD_TXA             3
  94 #define ANT_RXD_TXB             4
  95 #define ANT_UNKNOWN             0xFF
  96 #define ANT_TXA                 0
  97 #define ANT_TXB                 1
  98 #define ANT_RXA                 2
  99 #define ANT_RXB                 3
 100
 101 #define BB_VGA_LEVEL            4
 102 #define BB_VGA_CHANGE_THRESHOLD 3
 103
 104 #define EEP_MAX_CONTEXT_SIZE    256
 105
 106 /* Contents in the EEPROM */
 107 #define EEP_OFS_PAR             0x0
 108 #define EEP_OFS_ANTENNA         0x17
 109 #define EEP_OFS_RADIOCTL        0x18
 110 #define EEP_OFS_RFTYPE          0x1b
 111 #define EEP_OFS_MINCHANNEL      0x1c
 112 #define EEP_OFS_MAXCHANNEL      0x1d
 113 #define EEP_OFS_SIGNATURE       0x1e
 114 #define EEP_OFS_ZONETYPE        0x1f
 115 #define EEP_OFS_RFTABLE         0x20
 116 #define EEP_OFS_PWR_CCK         0x20
 117 #define EEP_OFS_SETPT_CCK       0x21
 118 #define EEP_OFS_PWR_OFDMG       0x23
 119
 120 #define EEP_OFS_CALIB_TX_IQ     0x24
 121 #define EEP_OFS_CALIB_TX_DC     0x25
 122 #define EEP_OFS_CALIB_RX_IQ     0x26
 123
 124 #define EEP_OFS_MAJOR_VER       0x2e
 125 #define EEP_OFS_MINOR_VER       0x2f
 126
 127 #define EEP_OFS_CCK_PWR_TBL     0x30
 128 #define EEP_OFS_OFDM_PWR_TBL    0x40
 129 #define EEP_OFS_OFDMA_PWR_TBL   0x50
 130
 131 /* Bits in EEP_OFS_ANTENNA */
 132 #define EEP_ANTENNA_MAIN        0x1
 133 #define EEP_ANTENNA_AUX         0x2
 134 #define EEP_ANTINV              0x4
 135
 136 /* Bits in EEP_OFS_RADIOCTL */
 137 #define EEP_RADIOCTL_ENABLE     0x80
 138
 139 /* control commands */
 140 #define MESSAGE_TYPE_READ               0x1
 141 #define MESSAGE_TYPE_WRITE              0x0
 142 #define MESSAGE_TYPE_LOCK_OR            0x2
 143 #define MESSAGE_TYPE_LOCK_AND           0x3
 144 #define MESSAGE_TYPE_WRITE_MASK         0x4
 145 #define MESSAGE_TYPE_CARDINIT           0x5
 146 #define MESSAGE_TYPE_INIT_RSP           0x6
 147 #define MESSAGE_TYPE_MACSHUTDOWN        0x7
 148 #define MESSAGE_TYPE_SETKEY             0x8
 149 #define MESSAGE_TYPE_CLRKEYENTRY        0x9
 150 #define MESSAGE_TYPE_WRITE_MISCFF       0xa
 151 #define MESSAGE_TYPE_SET_ANTMD          0xb
 152 #define MESSAGE_TYPE_SELECT_CHANNEL     0xc
 153 #define MESSAGE_TYPE_SET_TSFTBTT        0xd
 154 #define MESSAGE_TYPE_SET_SSTIFS         0xe
 155 #define MESSAGE_TYPE_CHANGE_BBTYPE      0xf
 156 #define MESSAGE_TYPE_DISABLE_PS         0x10
 157 #define MESSAGE_TYPE_WRITE_IFRF         0x11
 158
 159 /* command read/write(index) */
 160 #define MESSAGE_REQUEST_MEM             0x1
 161 #define MESSAGE_REQUEST_BBREG           0x2
 162 #define MESSAGE_REQUEST_MACREG          0x3
 163 #define MESSAGE_REQUEST_EEPROM          0x4
 164 #define MESSAGE_REQUEST_TSF             0x5
 165 #define MESSAGE_REQUEST_TBTT            0x6
 166 #define MESSAGE_REQUEST_BBAGC           0x7
 167 #define MESSAGE_REQUEST_VERSION         0x8
 168 #define MESSAGE_REQUEST_RF_INIT         0x9
 169 #define MESSAGE_REQUEST_RF_INIT2        0xa
 170 #define MESSAGE_REQUEST_RF_CH0          0xb
 171 #define MESSAGE_REQUEST_RF_CH1          0xc
 172 #define MESSAGE_REQUEST_RF_CH2          0xd
 173
 174 /* USB registers */
 175 #define USB_REG4                        0x604
 176
 177 #define DEVICE_INIT_COLD        0x0 /* cold init */
 178 #define DEVICE_INIT_RESET       0x1 /* reset init or Dx to D0 power remain */
 179 #define DEVICE_INIT_DXPL        0x2 /* Dx to D0 power lost init */
 180
 181 /* Device init */
 182 struct vnt_cmd_card_init {
 183         u8 init_class;
 184         u8 exist_sw_net_addr;
 185         u8 sw_net_addr[6];
 186         u8 short_retry_limit;
 187         u8 long_retry_limit;
 188 };
 189
 190 struct vnt_rsp_card_init {
 191         u8 status;
 192         u8 net_addr[6];
 193         u8 rf_type;
 194         u8 min_channel;
 195         u8 max_channel;
 196 };
 197
 198 /* USB */
 199
 200 /*
 201  * Enum of context types for SendPacket
 202  */
 203 enum {
 204         CONTEXT_DATA_PACKET = 1,
 205         CONTEXT_MGMT_PACKET,
 206         CONTEXT_BEACON_PACKET
 207 };
 208
 209 /* RCB (Receive Control Block) */
 210 struct vnt_rcb {
 211         void *priv;
 212         struct urb *urb;
 213         struct sk_buff *skb;
 214         int in_use;
 215 };
 216
 217 /* used to track bulk out irps */
 218 struct vnt_usb_send_context {
 219         void *priv;
 220         struct sk_buff *skb;
 221         struct urb *urb;
 222         struct ieee80211_hdr *hdr;
 223         unsigned int buf_len;
 224         u32 frame_len;
 225         u16 tx_hdr_size;
 226         u16 tx_rate;
 227         u8 type;
 228         u8 pkt_no;
 229         u8 pkt_type;
 230         u8 need_ack;
 231         u8 fb_option;
 232         bool in_use;
 233         unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
 234 };
 235
 236 /*
 237  * Structure to keep track of USB interrupt packets
 238  */
 239 struct vnt_interrupt_buffer {
 240         u8 *data_buf;
 241         bool in_use;
 242 };
 243
 244 /*++ NDIS related */
 245
 246 enum {
 247         STATUS_SUCCESS = 0,
 248         STATUS_FAILURE,
 249         STATUS_RESOURCES,
 250         STATUS_PENDING,
 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         u8 rx_rate;
 268
 269         u32 rx_buf_sz;
 270         int mc_list_count;
 271
 272         spinlock_t lock;
 273         struct mutex usb_lock;
 274
 275         unsigned long flags;
 276
 277         /* USB */
 278         struct urb *interrupt_urb;
 279         u32 int_interval;
 280
 281         /* Variables to track resources for the BULK In Pipe */
 282         struct vnt_rcb *rcb[CB_MAX_RX_DESC];
 283         u32 num_rcb;
 284
 285         /* Variables to track resources for the BULK Out Pipe */
 286         struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
 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 current_rate;
 344         u16 tx_rate_fb0;
 345         u16 tx_rate_fb1;
 346
 347         u8 short_retry_limit;
 348         u8 long_retry_limit;
 349
 350         enum nl80211_iftype op_mode;
 351
 352         int short_slot_time;
 353
 354         /* Power save */
 355         u16 current_aid;
 356
 357         /* Beacon related */
 358         u16 seq_counter;
 359
 360         enum vnt_cmd_state command_state;
 361
 362         enum vnt_cmd command;
 363
 364         /* 802.11 counter */
 365
 366         enum vnt_cmd cmd_queue[CMD_Q_SIZE];
 367         u32 cmd_dequeue_idx;
 368         u32 cmd_enqueue_idx;
 369         u32 free_cmd_queue;
 370         int cmd_running;
 371
 372         unsigned long key_entry_inuse;
 373
 374         u8 auto_fb_ctrl;
 375
 376         /* For Update BaseBand VGA Gain Offset */
 377         u8 bb_vga[BB_VGA_LEVEL];
 378
 379         u8 bb_pre_ed_rssi;
 380         u8 bb_pre_ed_index;
 381
 382         u16 wake_up_count;
 383
 384         /* command timer */
 385         struct delayed_work run_command_work;
 386
 387         struct ieee80211_low_level_stats low_stats;
 388 };
 389
 390 #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) {       \
 391         if ((uVar) >= ((uModulo) - 1))                  \
 392                 (uVar) = 0;                             \
 393         else                                            \
 394                 (uVar)++;                               \
 395 }
 396
 397 int vnt_init(struct vnt_private *priv);
 398
 399 #endif