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/bits.h>
  20 #include <linux/module.h>
  21 #include <linux/kernel.h>
  22 #include <linux/slab.h>
  23 #include <linux/delay.h>
  24 #include <linux/device.h>
  25 #include <linux/firmware.h>
  26 #include <linux/suspend.h>
  27 #include <linux/if_arp.h>
  28 #include <linux/wireless.h>
  29 #include <linux/timer.h>
  30 #include <linux/usb.h>
  31 #include <linux/crc32.h>
  32 #include <net/mac80211.h>
  33
  34 #ifdef SIOCETHTOOL
  35 #define DEVICE_ETHTOOL_IOCTL_SUPPORT
  36 #include <linux/ethtool.h>
  37 #else
  38 #undef DEVICE_ETHTOOL_IOCTL_SUPPORT
  39 #endif
  40
  41 #define RATE_1M         0
  42 #define RATE_2M         1
  43 #define RATE_5M         2
  44 #define RATE_11M        3
  45 #define RATE_6M         4
  46 #define RATE_9M         5
  47 #define RATE_12M        6
  48 #define RATE_18M        7
  49 #define RATE_24M        8
  50 #define RATE_36M        9
  51 #define RATE_48M        10
  52 #define RATE_54M        11
  53 #define RATE_AUTO       12
  54
  55 #define MAX_RATE                        12
  56 #define VNT_B_RATES     (BIT(RATE_1M) | BIT(RATE_2M) |\
  57                         BIT(RATE_5M) | BIT(RATE_11M))
  58
  59 /*
  60  * device specific
  61  */
  62
  63 #include "wcmd.h"
  64 #include "desc.h"
  65 #include "key.h"
  66 #include "card.h"
  67
  68 #define VNT_USB_VENDOR_ID                     0x160a
  69 #define VNT_USB_PRODUCT_ID                    0x3184
  70
  71 #define DEVICE_NAME                     "vt6656"
  72 #define DEVICE_FULL_DRV_NAM             "VIA Networking Wireless LAN USB Driver"
  73
  74 #define DEVICE_VERSION                  "mac80211"
  75
  76 #define CONFIG_PATH                     "/etc/vntconfiguration.dat"
  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 = 1,
 206         CONTEXT_MGMT_PACKET,
 207         CONTEXT_BEACON_PACKET
 208 };
 209
 210 struct vnt_rx_header {
 211         u32 wbk_status;
 212         u8 rx_sts;
 213         u8 rx_rate;
 214         u16 pay_load_len;
 215 } __packed;
 216
 217 struct vnt_rx_tail {
 218         __le64 tsf_time;
 219         u8 sq;
 220         u8 new_rsr;
 221         u8 rssi;
 222         u8 rsr;
 223         u8 sq_3;
 224 } __packed;
 225
 226 /* RCB (Receive Control Block) */
 227 struct vnt_rcb {
 228         void *priv;
 229         struct urb *urb;
 230         struct sk_buff *skb;
 231 };
 232
 233 /* used to track bulk out irps */
 234 struct vnt_usb_send_context {
 235         void *priv;
 236         struct sk_buff *skb;
 237         struct urb *urb;
 238         struct ieee80211_hdr *hdr;
 239         unsigned int buf_len;
 240         u32 frame_len;
 241         u16 tx_hdr_size;
 242         u16 tx_rate;
 243         u8 type;
 244         u8 pkt_no;
 245         u8 pkt_type;
 246         u8 need_ack;
 247         bool in_use;
 248         unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];
 249 };
 250
 251 /*
 252  * Structure to keep track of USB interrupt packets
 253  */
 254 struct vnt_interrupt_buffer {
 255         u8 *data_buf;
 256 };
 257
 258 /* flags for options */
 259 #define DEVICE_FLAGS_UNPLUG             0
 260 #define DEVICE_FLAGS_DISCONNECTED       1
 261
 262 struct vnt_private {
 263         /* mac80211 */
 264         struct ieee80211_hw *hw;
 265         struct ieee80211_vif *vif;
 266         u8 mac_hw;
 267         /* netdev */
 268         struct usb_device *usb;
 269         struct usb_interface *intf;
 270
 271         u64 tsf_time;
 272
 273         u32 rx_buf_sz;
 274         int mc_list_count;
 275
 276         spinlock_t lock;
 277         struct mutex usb_lock;
 278
 279         unsigned long flags;
 280
 281         /* USB */
 282         struct urb *interrupt_urb;
 283         u32 int_interval;
 284
 285         /* Variables to track resources for the BULK In Pipe */
 286         struct vnt_rcb *rcb[CB_MAX_RX_DESC];
 287         u32 num_rcb;
 288
 289         /* Variables to track resources for the BULK Out Pipe */
 290         struct vnt_usb_send_context *tx_context[CB_MAX_TX_DESC];
 291         u32 num_tx_context;
 292
 293         /* Variables to track resources for the Interrupt In Pipe */
 294         struct vnt_interrupt_buffer int_buf;
 295
 296         /* Version control */
 297         u16 firmware_version;
 298         u8 local_id;
 299         u8 rf_type;
 300         u8 bb_rx_conf;
 301
 302         struct vnt_cmd_card_init init_command;
 303         struct vnt_rsp_card_init init_response;
 304         u8 current_net_addr[ETH_ALEN] __aligned(2);
 305         u8 permanent_net_addr[ETH_ALEN] __aligned(2);
 306
 307         u8 exist_sw_net_addr;
 308
 309         u64 current_tsf;
 310
 311         /* 802.11 MAC specific */
 312         u32 current_rssi;
 313
 314         /* Antenna Diversity */
 315         int tx_rx_ant_inv;
 316         u32 rx_antenna_sel;
 317         u8 rx_antenna_mode;
 318         u8 tx_antenna_mode;
 319         u8 radio_ctl;
 320
 321         /* IFS & Cw */
 322         u32 sifs;  /* Current SIFS */
 323         u32 difs;  /* Current DIFS */
 324         u32 eifs;  /* Current EIFS */
 325         u32 slot;  /* Current SlotTime */
 326
 327         /* Rate */
 328         u8 bb_type; /* 0: 11A, 1:11B, 2:11G */
 329         u8 packet_type; /* 0:11a 1:11b 2:11gb 3:11ga */
 330         u32 basic_rates;
 331         u8 top_ofdm_basic_rate;
 332         u8 top_cck_basic_rate;
 333
 334         u8 eeprom[EEP_MAX_CONTEXT_SIZE];  /*u32 alignment */
 335
 336         u8 preamble_type;
 337
 338         /* For RF Power table */
 339         u8 cck_pwr;
 340         u8 ofdm_pwr_g;
 341         u8 ofdm_pwr_a;
 342         u8 power;
 343         u8 cck_pwr_tbl[14];
 344         u8 ofdm_pwr_tbl[14];
 345         u8 ofdm_a_pwr_tbl[42];
 346
 347         u16 current_rate;
 348         u16 tx_rate_fb0;
 349         u16 tx_rate_fb1;
 350
 351         u8 short_retry_limit;
 352         u8 long_retry_limit;
 353
 354         enum nl80211_iftype op_mode;
 355
 356         int short_slot_time;
 357
 358         /* Power save */
 359         u16 current_aid;
 360
 361         /* Beacon related */
 362         u16 seq_counter;
 363
 364         enum vnt_cmd_state command_state;
 365
 366         enum vnt_cmd command;
 367
 368         /* 802.11 counter */
 369
 370         enum vnt_cmd cmd_queue[CMD_Q_SIZE];
 371         u32 cmd_dequeue_idx;
 372         u32 cmd_enqueue_idx;
 373         u32 free_cmd_queue;
 374         int cmd_running;
 375
 376         unsigned long key_entry_inuse;
 377
 378         u8 auto_fb_ctrl;
 379
 380         /* For Update BaseBand VGA Gain Offset */
 381         u8 bb_vga[BB_VGA_LEVEL];
 382
 383         u8 bb_pre_ed_rssi;
 384         u8 bb_pre_ed_index;
 385
 386         u16 wake_up_count;
 387
 388         /* command timer */
 389         struct delayed_work run_command_work;
 390
 391         struct ieee80211_low_level_stats low_stats;
 392 };
 393
 394 #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) {       \
 395         if ((uVar) >= ((uModulo) - 1))                  \
 396                 (uVar) = 0;                             \
 397         else                                            \
 398                 (uVar)++;                               \
 399 }
 400
 401 int vnt_init(struct vnt_private *priv);
 402
 403 #endif