drivers/net/wireless/ti/wl1251/wl1251.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * This file is part of wl1251
   4  *
   5  * Copyright (c) 1998-2007 Texas Instruments Incorporated
   6  * Copyright (C) 2008-2009 Nokia Corporation
   7  */
   8
   9 #ifndef __WL1251_H__
  10 #define __WL1251_H__
  11
  12 #include <linux/mutex.h>
  13 #include <linux/list.h>
  14 #include <linux/bitops.h>
  15 #include <net/mac80211.h>
  16
  17 #define DRIVER_NAME "wl1251"
  18 #define DRIVER_PREFIX DRIVER_NAME ": "
  19
  20 enum {
  21         DEBUG_NONE      = 0,
  22         DEBUG_IRQ       = BIT(0),
  23         DEBUG_SPI       = BIT(1),
  24         DEBUG_BOOT      = BIT(2),
  25         DEBUG_MAILBOX   = BIT(3),
  26         DEBUG_NETLINK   = BIT(4),
  27         DEBUG_EVENT     = BIT(5),
  28         DEBUG_TX        = BIT(6),
  29         DEBUG_RX        = BIT(7),
  30         DEBUG_SCAN      = BIT(8),
  31         DEBUG_CRYPT     = BIT(9),
  32         DEBUG_PSM       = BIT(10),
  33         DEBUG_MAC80211  = BIT(11),
  34         DEBUG_CMD       = BIT(12),
  35         DEBUG_ACX       = BIT(13),
  36         DEBUG_ALL       = ~0,
  37 };
  38
  39 #define DEBUG_LEVEL (DEBUG_NONE)
  40
  41 #define DEBUG_DUMP_LIMIT 1024
  42
  43 #define wl1251_error(fmt, arg...) \
  44         printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
  45
  46 #define wl1251_warning(fmt, arg...) \
  47         printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
  48
  49 #define wl1251_notice(fmt, arg...) \
  50         printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
  51
  52 #define wl1251_info(fmt, arg...) \
  53         printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
  54
  55 #define wl1251_debug(level, fmt, arg...) \
  56         do { \
  57                 if (level & DEBUG_LEVEL) \
  58                         printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
  59         } while (0)
  60
  61 #define wl1251_dump(level, prefix, buf, len)    \
  62         do { \
  63                 if (level & DEBUG_LEVEL) \
  64                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
  65                                        DUMP_PREFIX_OFFSET, 16, 1,       \
  66                                        buf,                             \
  67                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
  68                                        0);                              \
  69         } while (0)
  70
  71 #define wl1251_dump_ascii(level, prefix, buf, len)      \
  72         do { \
  73                 if (level & DEBUG_LEVEL) \
  74                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
  75                                        DUMP_PREFIX_OFFSET, 16, 1,       \
  76                                        buf,                             \
  77                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
  78                                        true);                           \
  79         } while (0)
  80
  81 #define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |   \
  82                                   CFG_MC_FILTER_EN |    \
  83                                   CFG_BSSID_FILTER_EN)
  84
  85 #define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN |  \
  86                                   CFG_RX_MGMT_EN |  \
  87                                   CFG_RX_DATA_EN |  \
  88                                   CFG_RX_CTL_EN |   \
  89                                   CFG_RX_BCN_EN |   \
  90                                   CFG_RX_AUTH_EN |  \
  91                                   CFG_RX_ASSOC_EN)
  92
  93 #define WL1251_BUSY_WORD_LEN 8
  94
  95 struct boot_attr {
  96         u32 radio_type;
  97         u8 mac_clock;
  98         u8 arm_clock;
  99         int firmware_debug;
 100         u32 minor;
 101         u32 major;
 102         u32 bugfix;
 103 };
 104
 105 enum wl1251_state {
 106         WL1251_STATE_OFF,
 107         WL1251_STATE_ON,
 108         WL1251_STATE_PLT,
 109 };
 110
 111 enum wl1251_partition_type {
 112         PART_DOWN,
 113         PART_WORK,
 114         PART_DRPW,
 115
 116         PART_TABLE_LEN
 117 };
 118
 119 enum wl1251_station_mode {
 120         STATION_ACTIVE_MODE,
 121         STATION_POWER_SAVE_MODE,
 122         STATION_IDLE,
 123 };
 124
 125 struct wl1251_partition {
 126         u32 size;
 127         u32 start;
 128 };
 129
 130 struct wl1251_partition_set {
 131         struct wl1251_partition mem;
 132         struct wl1251_partition reg;
 133 };
 134
 135 struct wl1251;
 136
 137 struct wl1251_stats {
 138         struct acx_statistics *fw_stats;
 139         unsigned long fw_stats_update;
 140
 141         unsigned int retry_count;
 142         unsigned int excessive_retries;
 143 };
 144
 145 struct wl1251_debugfs {
 146         struct dentry *rootdir;
 147         struct dentry *fw_statistics;
 148
 149         struct dentry *tx_internal_desc_overflow;
 150
 151         struct dentry *rx_out_of_mem;
 152         struct dentry *rx_hdr_overflow;
 153         struct dentry *rx_hw_stuck;
 154         struct dentry *rx_dropped;
 155         struct dentry *rx_fcs_err;
 156         struct dentry *rx_xfr_hint_trig;
 157         struct dentry *rx_path_reset;
 158         struct dentry *rx_reset_counter;
 159
 160         struct dentry *dma_rx_requested;
 161         struct dentry *dma_rx_errors;
 162         struct dentry *dma_tx_requested;
 163         struct dentry *dma_tx_errors;
 164
 165         struct dentry *isr_cmd_cmplt;
 166         struct dentry *isr_fiqs;
 167         struct dentry *isr_rx_headers;
 168         struct dentry *isr_rx_mem_overflow;
 169         struct dentry *isr_rx_rdys;
 170         struct dentry *isr_irqs;
 171         struct dentry *isr_tx_procs;
 172         struct dentry *isr_decrypt_done;
 173         struct dentry *isr_dma0_done;
 174         struct dentry *isr_dma1_done;
 175         struct dentry *isr_tx_exch_complete;
 176         struct dentry *isr_commands;
 177         struct dentry *isr_rx_procs;
 178         struct dentry *isr_hw_pm_mode_changes;
 179         struct dentry *isr_host_acknowledges;
 180         struct dentry *isr_pci_pm;
 181         struct dentry *isr_wakeups;
 182         struct dentry *isr_low_rssi;
 183
 184         struct dentry *wep_addr_key_count;
 185         struct dentry *wep_default_key_count;
 186         /* skipping wep.reserved */
 187         struct dentry *wep_key_not_found;
 188         struct dentry *wep_decrypt_fail;
 189         struct dentry *wep_packets;
 190         struct dentry *wep_interrupt;
 191
 192         struct dentry *pwr_ps_enter;
 193         struct dentry *pwr_elp_enter;
 194         struct dentry *pwr_missing_bcns;
 195         struct dentry *pwr_wake_on_host;
 196         struct dentry *pwr_wake_on_timer_exp;
 197         struct dentry *pwr_tx_with_ps;
 198         struct dentry *pwr_tx_without_ps;
 199         struct dentry *pwr_rcvd_beacons;
 200         struct dentry *pwr_power_save_off;
 201         struct dentry *pwr_enable_ps;
 202         struct dentry *pwr_disable_ps;
 203         struct dentry *pwr_fix_tsf_ps;
 204         /* skipping cont_miss_bcns_spread for now */
 205         struct dentry *pwr_rcvd_awake_beacons;
 206
 207         struct dentry *mic_rx_pkts;
 208         struct dentry *mic_calc_failure;
 209
 210         struct dentry *aes_encrypt_fail;
 211         struct dentry *aes_decrypt_fail;
 212         struct dentry *aes_encrypt_packets;
 213         struct dentry *aes_decrypt_packets;
 214         struct dentry *aes_encrypt_interrupt;
 215         struct dentry *aes_decrypt_interrupt;
 216
 217         struct dentry *event_heart_beat;
 218         struct dentry *event_calibration;
 219         struct dentry *event_rx_mismatch;
 220         struct dentry *event_rx_mem_empty;
 221         struct dentry *event_rx_pool;
 222         struct dentry *event_oom_late;
 223         struct dentry *event_phy_transmit_error;
 224         struct dentry *event_tx_stuck;
 225
 226         struct dentry *ps_pspoll_timeouts;
 227         struct dentry *ps_upsd_timeouts;
 228         struct dentry *ps_upsd_max_sptime;
 229         struct dentry *ps_upsd_max_apturn;
 230         struct dentry *ps_pspoll_max_apturn;
 231         struct dentry *ps_pspoll_utilization;
 232         struct dentry *ps_upsd_utilization;
 233
 234         struct dentry *rxpipe_rx_prep_beacon_drop;
 235         struct dentry *rxpipe_descr_host_int_trig_rx_data;
 236         struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
 237         struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
 238         struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
 239
 240         struct dentry *tx_queue_len;
 241         struct dentry *tx_queue_status;
 242
 243         struct dentry *retry_count;
 244         struct dentry *excessive_retries;
 245 };
 246
 247 struct wl1251_if_operations {
 248         void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len);
 249         void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
 250         void (*read_elp)(struct wl1251 *wl, int addr, u32 *val);
 251         void (*write_elp)(struct wl1251 *wl, int addr, u32 val);
 252         int  (*power)(struct wl1251 *wl, bool enable);
 253         void (*reset)(struct wl1251 *wl);
 254         void (*enable_irq)(struct wl1251 *wl);
 255         void (*disable_irq)(struct wl1251 *wl);
 256 };
 257
 258 struct wl1251 {
 259         struct ieee80211_hw *hw;
 260         bool mac80211_registered;
 261
 262         void *if_priv;
 263         const struct wl1251_if_operations *if_ops;
 264
 265         int power_gpio;
 266         int irq;
 267         bool use_eeprom;
 268
 269         struct regulator *vio;
 270
 271         spinlock_t wl_lock;
 272
 273         enum wl1251_state state;
 274         struct mutex mutex;
 275
 276         int physical_mem_addr;
 277         int physical_reg_addr;
 278         int virtual_mem_addr;
 279         int virtual_reg_addr;
 280
 281         int cmd_box_addr;
 282         int event_box_addr;
 283         struct boot_attr boot_attr;
 284
 285         u8 *fw;
 286         size_t fw_len;
 287         u8 *nvs;
 288         size_t nvs_len;
 289
 290         u8 bssid[ETH_ALEN];
 291         u8 mac_addr[ETH_ALEN];
 292         u8 bss_type;
 293         u8 listen_int;
 294         int channel;
 295         bool monitor_present;
 296         bool joined;
 297
 298         void *target_mem_map;
 299         struct acx_data_path_params_resp *data_path;
 300
 301         /* Number of TX packets transferred to the FW, modulo 16 */
 302         u32 data_in_count;
 303
 304         /* Frames scheduled for transmission, not handled yet */
 305         struct sk_buff_head tx_queue;
 306         bool tx_queue_stopped;
 307
 308         struct work_struct tx_work;
 309
 310         /* Pending TX frames */
 311         struct sk_buff *tx_frames[16];
 312
 313         /*
 314          * Index pointing to the next TX complete entry
 315          * in the cyclic XT complete array we get from
 316          * the FW.
 317          */
 318         u32 next_tx_complete;
 319
 320         /* FW Rx counter */
 321         u32 rx_counter;
 322
 323         /* Rx frames handled */
 324         u32 rx_handled;
 325
 326         /* Current double buffer */
 327         u32 rx_current_buffer;
 328         u32 rx_last_id;
 329
 330         /* The target interrupt mask */
 331         u32 intr_mask;
 332         struct work_struct irq_work;
 333
 334         /* The mbox event mask */
 335         u32 event_mask;
 336
 337         /* Mailbox pointers */
 338         u32 mbox_ptr[2];
 339
 340         /* Are we currently scanning */
 341         bool scanning;
 342
 343         /* Default key (for WEP) */
 344         u32 default_key;
 345
 346         unsigned int tx_mgmt_frm_rate;
 347         unsigned int tx_mgmt_frm_mod;
 348
 349         unsigned int rx_config;
 350         unsigned int rx_filter;
 351
 352         /* is firmware in elp mode */
 353         bool elp;
 354
 355         struct delayed_work elp_work;
 356
 357         enum wl1251_station_mode station_mode;
 358
 359         /* PSM mode requested */
 360         bool psm_requested;
 361
 362         /* retry counter for PSM entries */
 363         u8 psm_entry_retry;
 364
 365         u16 beacon_int;
 366         u8 dtim_period;
 367
 368         /* in dBm */
 369         int power_level;
 370
 371         int rssi_thold;
 372
 373         struct wl1251_stats stats;
 374         struct wl1251_debugfs debugfs;
 375
 376         __le32 buffer_32;
 377         u32 buffer_cmd;
 378         u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
 379         struct wl1251_rx_descriptor *rx_descriptor;
 380
 381         struct ieee80211_vif *vif;
 382
 383         u32 chip_id;
 384         char fw_ver[21];
 385
 386         /* Most recently reported noise in dBm */
 387         s8 noise;
 388 };
 389
 390 int wl1251_plt_start(struct wl1251 *wl);
 391 int wl1251_plt_stop(struct wl1251 *wl);
 392
 393 struct ieee80211_hw *wl1251_alloc_hw(void);
 394 int wl1251_free_hw(struct wl1251 *wl);
 395 int wl1251_init_ieee80211(struct wl1251 *wl);
 396 void wl1251_enable_interrupts(struct wl1251 *wl);
 397 void wl1251_disable_interrupts(struct wl1251 *wl);
 398
 399 #define DEFAULT_HW_GEN_MODULATION_TYPE    CCK_LONG /* Long Preamble */
 400 #define DEFAULT_HW_GEN_TX_RATE          RATE_2MBPS
 401 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
 402
 403 #define WL1251_DEFAULT_POWER_LEVEL 20
 404
 405 #define WL1251_TX_QUEUE_LOW_WATERMARK  10
 406 #define WL1251_TX_QUEUE_HIGH_WATERMARK 25
 407
 408 #define WL1251_DEFAULT_BEACON_INT 100
 409 #define WL1251_DEFAULT_DTIM_PERIOD 1
 410
 411 #define WL1251_DEFAULT_CHANNEL 0
 412
 413 #define WL1251_DEFAULT_BET_CONSECUTIVE 10
 414
 415 #define CHIP_ID_1251_PG10                  (0x7010101)
 416 #define CHIP_ID_1251_PG11                  (0x7020101)
 417 #define CHIP_ID_1251_PG12                  (0x7030101)
 418 #define CHIP_ID_1271_PG10                  (0x4030101)
 419 #define CHIP_ID_1271_PG20                  (0x4030111)
 420
 421 #define WL1251_FW_NAME "ti-connectivity/wl1251-fw.bin"
 422 #define WL1251_NVS_NAME "ti-connectivity/wl1251-nvs.bin"
 423
 424 #define WL1251_POWER_ON_SLEEP 10 /* in milliseconds */
 425
 426 #define WL1251_PART_DOWN_MEM_START      0x0
 427 #define WL1251_PART_DOWN_MEM_SIZE       0x16800
 428 #define WL1251_PART_DOWN_REG_START      REGISTERS_BASE
 429 #define WL1251_PART_DOWN_REG_SIZE       REGISTERS_DOWN_SIZE
 430
 431 #define WL1251_PART_WORK_MEM_START      0x28000
 432 #define WL1251_PART_WORK_MEM_SIZE       0x14000
 433 #define WL1251_PART_WORK_REG_START      REGISTERS_BASE
 434 #define WL1251_PART_WORK_REG_SIZE       REGISTERS_WORK_SIZE
 435
 436 #define WL1251_DEFAULT_LOW_RSSI_WEIGHT          10
 437 #define WL1251_DEFAULT_LOW_RSSI_DEPTH           10
 438
 439 #endif