drivers/net/wireless/wl1251/wl1251.h

   1 /*
   2  * This file is part of wl1251
   3  *
   4  * Copyright (c) 1998-2007 Texas Instruments Incorporated
   5  * Copyright (C) 2008-2009 Nokia Corporation
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  19  * 02110-1301 USA
  20  *
  21  */
  22
  23 #ifndef __WL1251_H__
  24 #define __WL1251_H__
  25
  26 #include <linux/mutex.h>
  27 #include <linux/list.h>
  28 #include <linux/bitops.h>
  29 #include <net/mac80211.h>
  30
  31 #define DRIVER_NAME "wl1251"
  32 #define DRIVER_PREFIX DRIVER_NAME ": "
  33
  34 enum {
  35         DEBUG_NONE      = 0,
  36         DEBUG_IRQ       = BIT(0),
  37         DEBUG_SPI       = BIT(1),
  38         DEBUG_BOOT      = BIT(2),
  39         DEBUG_MAILBOX   = BIT(3),
  40         DEBUG_NETLINK   = BIT(4),
  41         DEBUG_EVENT     = BIT(5),
  42         DEBUG_TX        = BIT(6),
  43         DEBUG_RX        = BIT(7),
  44         DEBUG_SCAN      = BIT(8),
  45         DEBUG_CRYPT     = BIT(9),
  46         DEBUG_PSM       = BIT(10),
  47         DEBUG_MAC80211  = BIT(11),
  48         DEBUG_CMD       = BIT(12),
  49         DEBUG_ACX       = BIT(13),
  50         DEBUG_ALL       = ~0,
  51 };
  52
  53 #define DEBUG_LEVEL (DEBUG_NONE)
  54
  55 #define DEBUG_DUMP_LIMIT 1024
  56
  57 #define wl1251_error(fmt, arg...) \
  58         printk(KERN_ERR DRIVER_PREFIX "ERROR " fmt "\n", ##arg)
  59
  60 #define wl1251_warning(fmt, arg...) \
  61         printk(KERN_WARNING DRIVER_PREFIX "WARNING " fmt "\n", ##arg)
  62
  63 #define wl1251_notice(fmt, arg...) \
  64         printk(KERN_INFO DRIVER_PREFIX fmt "\n", ##arg)
  65
  66 #define wl1251_info(fmt, arg...) \
  67         printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg)
  68
  69 #define wl1251_debug(level, fmt, arg...) \
  70         do { \
  71                 if (level & DEBUG_LEVEL) \
  72                         printk(KERN_DEBUG DRIVER_PREFIX fmt "\n", ##arg); \
  73         } while (0)
  74
  75 #define wl1251_dump(level, prefix, buf, len)    \
  76         do { \
  77                 if (level & DEBUG_LEVEL) \
  78                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
  79                                        DUMP_PREFIX_OFFSET, 16, 1,       \
  80                                        buf,                             \
  81                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
  82                                        0);                              \
  83         } while (0)
  84
  85 #define wl1251_dump_ascii(level, prefix, buf, len)      \
  86         do { \
  87                 if (level & DEBUG_LEVEL) \
  88                         print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
  89                                        DUMP_PREFIX_OFFSET, 16, 1,       \
  90                                        buf,                             \
  91                                        min_t(size_t, len, DEBUG_DUMP_LIMIT), \
  92                                        true);                           \
  93         } while (0)
  94
  95 #define WL1251_DEFAULT_RX_CONFIG (CFG_UNI_FILTER_EN |   \
  96                                   CFG_BSSID_FILTER_EN)
  97
  98 #define WL1251_DEFAULT_RX_FILTER (CFG_RX_PRSP_EN |  \
  99                                   CFG_RX_MGMT_EN |  \
 100                                   CFG_RX_DATA_EN |  \
 101                                   CFG_RX_CTL_EN |   \
 102                                   CFG_RX_BCN_EN |   \
 103                                   CFG_RX_AUTH_EN |  \
 104                                   CFG_RX_ASSOC_EN)
 105
 106 #define WL1251_BUSY_WORD_LEN 8
 107
 108 struct boot_attr {
 109         u32 radio_type;
 110         u8 mac_clock;
 111         u8 arm_clock;
 112         int firmware_debug;
 113         u32 minor;
 114         u32 major;
 115         u32 bugfix;
 116 };
 117
 118 enum wl1251_state {
 119         WL1251_STATE_OFF,
 120         WL1251_STATE_ON,
 121         WL1251_STATE_PLT,
 122 };
 123
 124 enum wl1251_partition_type {
 125         PART_DOWN,
 126         PART_WORK,
 127         PART_DRPW,
 128
 129         PART_TABLE_LEN
 130 };
 131
 132 struct wl1251_partition {
 133         u32 size;
 134         u32 start;
 135 };
 136
 137 struct wl1251_partition_set {
 138         struct wl1251_partition mem;
 139         struct wl1251_partition reg;
 140 };
 141
 142 struct wl1251;
 143
 144 struct wl1251_stats {
 145         struct acx_statistics *fw_stats;
 146         unsigned long fw_stats_update;
 147
 148         unsigned int retry_count;
 149         unsigned int excessive_retries;
 150 };
 151
 152 struct wl1251_debugfs {
 153         struct dentry *rootdir;
 154         struct dentry *fw_statistics;
 155
 156         struct dentry *tx_internal_desc_overflow;
 157
 158         struct dentry *rx_out_of_mem;
 159         struct dentry *rx_hdr_overflow;
 160         struct dentry *rx_hw_stuck;
 161         struct dentry *rx_dropped;
 162         struct dentry *rx_fcs_err;
 163         struct dentry *rx_xfr_hint_trig;
 164         struct dentry *rx_path_reset;
 165         struct dentry *rx_reset_counter;
 166
 167         struct dentry *dma_rx_requested;
 168         struct dentry *dma_rx_errors;
 169         struct dentry *dma_tx_requested;
 170         struct dentry *dma_tx_errors;
 171
 172         struct dentry *isr_cmd_cmplt;
 173         struct dentry *isr_fiqs;
 174         struct dentry *isr_rx_headers;
 175         struct dentry *isr_rx_mem_overflow;
 176         struct dentry *isr_rx_rdys;
 177         struct dentry *isr_irqs;
 178         struct dentry *isr_tx_procs;
 179         struct dentry *isr_decrypt_done;
 180         struct dentry *isr_dma0_done;
 181         struct dentry *isr_dma1_done;
 182         struct dentry *isr_tx_exch_complete;
 183         struct dentry *isr_commands;
 184         struct dentry *isr_rx_procs;
 185         struct dentry *isr_hw_pm_mode_changes;
 186         struct dentry *isr_host_acknowledges;
 187         struct dentry *isr_pci_pm;
 188         struct dentry *isr_wakeups;
 189         struct dentry *isr_low_rssi;
 190
 191         struct dentry *wep_addr_key_count;
 192         struct dentry *wep_default_key_count;
 193         /* skipping wep.reserved */
 194         struct dentry *wep_key_not_found;
 195         struct dentry *wep_decrypt_fail;
 196         struct dentry *wep_packets;
 197         struct dentry *wep_interrupt;
 198
 199         struct dentry *pwr_ps_enter;
 200         struct dentry *pwr_elp_enter;
 201         struct dentry *pwr_missing_bcns;
 202         struct dentry *pwr_wake_on_host;
 203         struct dentry *pwr_wake_on_timer_exp;
 204         struct dentry *pwr_tx_with_ps;
 205         struct dentry *pwr_tx_without_ps;
 206         struct dentry *pwr_rcvd_beacons;
 207         struct dentry *pwr_power_save_off;
 208         struct dentry *pwr_enable_ps;
 209         struct dentry *pwr_disable_ps;
 210         struct dentry *pwr_fix_tsf_ps;
 211         /* skipping cont_miss_bcns_spread for now */
 212         struct dentry *pwr_rcvd_awake_beacons;
 213
 214         struct dentry *mic_rx_pkts;
 215         struct dentry *mic_calc_failure;
 216
 217         struct dentry *aes_encrypt_fail;
 218         struct dentry *aes_decrypt_fail;
 219         struct dentry *aes_encrypt_packets;
 220         struct dentry *aes_decrypt_packets;
 221         struct dentry *aes_encrypt_interrupt;
 222         struct dentry *aes_decrypt_interrupt;
 223
 224         struct dentry *event_heart_beat;
 225         struct dentry *event_calibration;
 226         struct dentry *event_rx_mismatch;
 227         struct dentry *event_rx_mem_empty;
 228         struct dentry *event_rx_pool;
 229         struct dentry *event_oom_late;
 230         struct dentry *event_phy_transmit_error;
 231         struct dentry *event_tx_stuck;
 232
 233         struct dentry *ps_pspoll_timeouts;
 234         struct dentry *ps_upsd_timeouts;
 235         struct dentry *ps_upsd_max_sptime;
 236         struct dentry *ps_upsd_max_apturn;
 237         struct dentry *ps_pspoll_max_apturn;
 238         struct dentry *ps_pspoll_utilization;
 239         struct dentry *ps_upsd_utilization;
 240
 241         struct dentry *rxpipe_rx_prep_beacon_drop;
 242         struct dentry *rxpipe_descr_host_int_trig_rx_data;
 243         struct dentry *rxpipe_beacon_buffer_thres_host_int_trig_rx_data;
 244         struct dentry *rxpipe_missed_beacon_host_int_trig_rx_data;
 245         struct dentry *rxpipe_tx_xfr_host_int_trig_rx_data;
 246
 247         struct dentry *tx_queue_len;
 248         struct dentry *tx_queue_status;
 249
 250         struct dentry *retry_count;
 251         struct dentry *excessive_retries;
 252 };
 253
 254 struct wl1251_if_operations {
 255         void (*read)(struct wl1251 *wl, int addr, void *buf, size_t len);
 256         void (*write)(struct wl1251 *wl, int addr, void *buf, size_t len);
 257         void (*read_elp)(struct wl1251 *wl, int addr, u32 *val);
 258         void (*write_elp)(struct wl1251 *wl, int addr, u32 val);
 259         void (*reset)(struct wl1251 *wl);
 260         void (*enable_irq)(struct wl1251 *wl);
 261         void (*disable_irq)(struct wl1251 *wl);
 262 };
 263
 264 struct wl1251 {
 265         struct ieee80211_hw *hw;
 266         bool mac80211_registered;
 267
 268         void *if_priv;
 269         const struct wl1251_if_operations *if_ops;
 270
 271         void (*set_power)(bool enable);
 272         int irq;
 273         bool use_eeprom;
 274
 275         spinlock_t wl_lock;
 276
 277         enum wl1251_state state;
 278         struct mutex mutex;
 279
 280         int physical_mem_addr;
 281         int physical_reg_addr;
 282         int virtual_mem_addr;
 283         int virtual_reg_addr;
 284
 285         int cmd_box_addr;
 286         int event_box_addr;
 287         struct boot_attr boot_attr;
 288
 289         u8 *fw;
 290         size_t fw_len;
 291         u8 *nvs;
 292         size_t nvs_len;
 293
 294         u8 bssid[ETH_ALEN];
 295         u8 mac_addr[ETH_ALEN];
 296         u8 bss_type;
 297         u8 listen_int;
 298         int channel;
 299
 300         void *target_mem_map;
 301         struct acx_data_path_params_resp *data_path;
 302
 303         /* Number of TX packets transferred to the FW, modulo 16 */
 304         u32 data_in_count;
 305
 306         /* Frames scheduled for transmission, not handled yet */
 307         struct sk_buff_head tx_queue;
 308         bool tx_queue_stopped;
 309
 310         struct work_struct tx_work;
 311         struct work_struct filter_work;
 312
 313         /* Pending TX frames */
 314         struct sk_buff *tx_frames[16];
 315
 316         /*
 317          * Index pointing to the next TX complete entry
 318          * in the cyclic XT complete array we get from
 319          * the FW.
 320          */
 321         u32 next_tx_complete;
 322
 323         /* FW Rx counter */
 324         u32 rx_counter;
 325
 326         /* Rx frames handled */
 327         u32 rx_handled;
 328
 329         /* Current double buffer */
 330         u32 rx_current_buffer;
 331         u32 rx_last_id;
 332
 333         /* The target interrupt mask */
 334         u32 intr_mask;
 335         struct work_struct irq_work;
 336
 337         /* The mbox event mask */
 338         u32 event_mask;
 339
 340         /* Mailbox pointers */
 341         u32 mbox_ptr[2];
 342
 343         /* Are we currently scanning */
 344         bool scanning;
 345
 346         /* Default key (for WEP) */
 347         u32 default_key;
 348
 349         unsigned int tx_mgmt_frm_rate;
 350         unsigned int tx_mgmt_frm_mod;
 351
 352         unsigned int rx_config;
 353         unsigned int rx_filter;
 354
 355         /* is firmware in elp mode */
 356         bool elp;
 357
 358         struct delayed_work elp_work;
 359
 360         /* we can be in psm, but not in elp, we have to differentiate */
 361         bool psm;
 362
 363         /* PSM mode requested */
 364         bool psm_requested;
 365
 366         u16 beacon_int;
 367         u8 dtim_period;
 368
 369         /* in dBm */
 370         int power_level;
 371
 372         struct wl1251_stats stats;
 373         struct wl1251_debugfs debugfs;
 374
 375         u32 buffer_32;
 376         u32 buffer_cmd;
 377         u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
 378         struct wl1251_rx_descriptor *rx_descriptor;
 379
 380         struct ieee80211_vif *vif;
 381
 382         u32 chip_id;
 383         char fw_ver[21];
 384
 385         /* Most recently reported noise in dBm */
 386         s8 noise;
 387 };
 388
 389 int wl1251_plt_start(struct wl1251 *wl);
 390 int wl1251_plt_stop(struct wl1251 *wl);
 391
 392 struct ieee80211_hw *wl1251_alloc_hw(void);
 393 int wl1251_free_hw(struct wl1251 *wl);
 394 int wl1251_init_ieee80211(struct wl1251 *wl);
 395 void wl1251_enable_interrupts(struct wl1251 *wl);
 396 void wl1251_disable_interrupts(struct wl1251 *wl);
 397
 398 #define DEFAULT_HW_GEN_MODULATION_TYPE    CCK_LONG /* Long Preamble */
 399 #define DEFAULT_HW_GEN_TX_RATE          RATE_2MBPS
 400 #define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
 401
 402 #define WL1251_DEFAULT_POWER_LEVEL 20
 403
 404 #define WL1251_TX_QUEUE_LOW_WATERMARK  10
 405 #define WL1251_TX_QUEUE_HIGH_WATERMARK 25
 406
 407 #define WL1251_DEFAULT_BEACON_INT 100
 408 #define WL1251_DEFAULT_DTIM_PERIOD 1
 409
 410 #define WL1251_DEFAULT_CHANNEL 0
 411
 412 #define CHIP_ID_1251_PG10                  (0x7010101)
 413 #define CHIP_ID_1251_PG11                  (0x7020101)
 414 #define CHIP_ID_1251_PG12                  (0x7030101)
 415 #define CHIP_ID_1271_PG10                  (0x4030101)
 416 #define CHIP_ID_1271_PG20                  (0x4030111)
 417
 418 #define WL1251_FW_NAME "wl1251-fw.bin"
 419 #define WL1251_NVS_NAME "wl1251-nvs.bin"
 420
 421 #define WL1251_POWER_ON_SLEEP 10 /* in miliseconds */
 422
 423 #define WL1251_PART_DOWN_MEM_START      0x0
 424 #define WL1251_PART_DOWN_MEM_SIZE       0x16800
 425 #define WL1251_PART_DOWN_REG_START      REGISTERS_BASE
 426 #define WL1251_PART_DOWN_REG_SIZE       REGISTERS_DOWN_SIZE
 427
 428 #define WL1251_PART_WORK_MEM_START      0x28000
 429 #define WL1251_PART_WORK_MEM_SIZE       0x14000
 430 #define WL1251_PART_WORK_REG_START      REGISTERS_BASE
 431 #define WL1251_PART_WORK_REG_SIZE       REGISTERS_WORK_SIZE
 432
 433 #endif