drivers/net/wireless/iwlegacy/3945.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26
  27 #ifndef __il_3945_h__
  28 #define __il_3945_h__
  29
  30 #include <linux/pci.h>          /* for struct pci_device_id */
  31 #include <linux/kernel.h>
  32 #include <net/ieee80211_radiotap.h>
  33
  34 /* Hardware specific file defines the PCI IDs table for that hardware module */
  35 extern const struct pci_device_id il3945_hw_card_ids[];
  36
  37 #include "common.h"
  38
  39 /* Highest firmware API version supported */
  40 #define IL3945_UCODE_API_MAX 2
  41
  42 /* Lowest firmware API version supported */
  43 #define IL3945_UCODE_API_MIN 1
  44
  45 #define IL3945_FW_PRE   "iwlwifi-3945-"
  46 #define _IL3945_MODULE_FIRMWARE(api) IL3945_FW_PRE #api ".ucode"
  47 #define IL3945_MODULE_FIRMWARE(api) _IL3945_MODULE_FIRMWARE(api)
  48
  49 /* Default noise level to report when noise measurement is not available.
  50  *   This may be because we're:
  51  *   1)  Not associated (4965, no beacon stats being sent to driver)
  52  *   2)  Scanning (noise measurement does not apply to associated channel)
  53  *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
  54  * Use default noise value of -127 ... this is below the range of measurable
  55  *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
  56  *   Also, -127 works better than 0 when averaging frames with/without
  57  *   noise info (e.g. averaging might be done in app); measured dBm values are
  58  *   always negative ... using a negative value as the default keeps all
  59  *   averages within an s8's (used in some apps) range of negative values. */
  60 #define IL_NOISE_MEAS_NOT_AVAILABLE (-127)
  61
  62 /* Module parameters accessible from iwl-*.c */
  63 extern struct il_mod_params il3945_mod_params;
  64
  65 struct il3945_rate_scale_data {
  66         u64 data;
  67         s32 success_counter;
  68         s32 success_ratio;
  69         s32 counter;
  70         s32 average_tpt;
  71         unsigned long stamp;
  72 };
  73
  74 struct il3945_rs_sta {
  75         spinlock_t lock;
  76         struct il_priv *il;
  77         s32 *expected_tpt;
  78         unsigned long last_partial_flush;
  79         unsigned long last_flush;
  80         u32 flush_time;
  81         u32 last_tx_packets;
  82         u32 tx_packets;
  83         u8 tgg;
  84         u8 flush_pending;
  85         u8 start_rate;
  86         struct timer_list rate_scale_flush;
  87         struct il3945_rate_scale_data win[RATE_COUNT_3945];
  88 #ifdef CONFIG_MAC80211_DEBUGFS
  89         struct dentry *rs_sta_dbgfs_stats_table_file;
  90 #endif
  91
  92         /* used to be in sta_info */
  93         int last_txrate_idx;
  94 };
  95
  96 /*
  97  * The common struct MUST be first because it is shared between
  98  * 3945 and 4965!
  99  */
 100 struct il3945_sta_priv {
 101         struct il_station_priv_common common;
 102         struct il3945_rs_sta rs_sta;
 103 };
 104
 105 enum il3945_antenna {
 106         IL_ANTENNA_DIVERSITY,
 107         IL_ANTENNA_MAIN,
 108         IL_ANTENNA_AUX
 109 };
 110
 111 /*
 112  * RTS threshold here is total size [2347] minus 4 FCS bytes
 113  * Per spec:
 114  *   a value of 0 means RTS on all data/management packets
 115  *   a value > max MSDU size means no RTS
 116  * else RTS for data/management frames where MPDU is larger
 117  *   than RTS value.
 118  */
 119 #define DEFAULT_RTS_THRESHOLD     2347U
 120 #define MIN_RTS_THRESHOLD         0U
 121 #define MAX_RTS_THRESHOLD         2347U
 122 #define MAX_MSDU_SIZE             2304U
 123 #define MAX_MPDU_SIZE             2346U
 124 #define DEFAULT_BEACON_INTERVAL   100U
 125 #define DEFAULT_SHORT_RETRY_LIMIT 7U
 126 #define DEFAULT_LONG_RETRY_LIMIT  4U
 127
 128 #define IL_TX_FIFO_AC0  0
 129 #define IL_TX_FIFO_AC1  1
 130 #define IL_TX_FIFO_AC2  2
 131 #define IL_TX_FIFO_AC3  3
 132 #define IL_TX_FIFO_HCCA_1       5
 133 #define IL_TX_FIFO_HCCA_2       6
 134 #define IL_TX_FIFO_NONE 7
 135
 136 #define IEEE80211_DATA_LEN              2304
 137 #define IEEE80211_4ADDR_LEN             30
 138 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
 139 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 140
 141 struct il3945_frame {
 142         union {
 143                 struct ieee80211_hdr frame;
 144                 struct il3945_tx_beacon_cmd beacon;
 145                 u8 raw[IEEE80211_FRAME_LEN];
 146                 u8 cmd[360];
 147         } u;
 148         struct list_head list;
 149 };
 150
 151 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 152 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 153 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
 154
 155 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 156 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 157 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 158
 159 #define IL_SUPPORTED_RATES_IE_LEN         8
 160
 161 #define SCAN_INTERVAL 100
 162
 163 #define MAX_TID_COUNT        9
 164
 165 #define IL_INVALID_RATE     0xFF
 166 #define IL_INVALID_VALUE    -1
 167
 168 #define STA_PS_STATUS_WAKE             0
 169 #define STA_PS_STATUS_SLEEP            1
 170
 171 struct il3945_ibss_seq {
 172         u8 mac[ETH_ALEN];
 173         u16 seq_num;
 174         u16 frag_num;
 175         unsigned long packet_time;
 176         struct list_head list;
 177 };
 178
 179 #define IL_RX_HDR(x) ((struct il3945_rx_frame_hdr *)(\
 180                        x->u.rx_frame.stats.payload + \
 181                        x->u.rx_frame.stats.phy_count))
 182 #define IL_RX_END(x) ((struct il3945_rx_frame_end *)(\
 183                        IL_RX_HDR(x)->payload + \
 184                        le16_to_cpu(IL_RX_HDR(x)->len)))
 185 #define IL_RX_STATS(x) (&x->u.rx_frame.stats)
 186 #define IL_RX_DATA(x) (IL_RX_HDR(x)->payload)
 187
 188 /******************************************************************************
 189  *
 190  * Functions implemented in iwl3945-base.c which are forward declared here
 191  * for use by iwl-*.c
 192  *
 193  *****************************************************************************/
 194 extern int il3945_calc_db_from_ratio(int sig_ratio);
 195 extern void il3945_rx_replenish(void *data);
 196 extern void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq);
 197 extern unsigned int il3945_fill_beacon_frame(struct il_priv *il,
 198                                              struct ieee80211_hdr *hdr,
 199                                              int left);
 200 extern int il3945_dump_nic_event_log(struct il_priv *il, bool full_log,
 201                                      char **buf, bool display);
 202 extern void il3945_dump_nic_error_log(struct il_priv *il);
 203
 204 /******************************************************************************
 205  *
 206  * Functions implemented in iwl-[34]*.c which are forward declared here
 207  * for use by iwl3945-base.c
 208  *
 209  * NOTE:  The implementation of these functions are hardware specific
 210  * which is why they are in the hardware specific files (vs. iwl-base.c)
 211  *
 212  * Naming convention --
 213  * il3945_         <-- Its part of iwlwifi (should be changed to il3945_)
 214  * il3945_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
 215  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 216  * il3945_bg_      <-- Called from work queue context
 217  * il3945_mac_     <-- mac80211 callback
 218  *
 219  ****************************************************************************/
 220 extern void il3945_hw_handler_setup(struct il_priv *il);
 221 extern void il3945_hw_setup_deferred_work(struct il_priv *il);
 222 extern void il3945_hw_cancel_deferred_work(struct il_priv *il);
 223 extern int il3945_hw_rxq_stop(struct il_priv *il);
 224 extern int il3945_hw_set_hw_params(struct il_priv *il);
 225 extern int il3945_hw_nic_init(struct il_priv *il);
 226 extern int il3945_hw_nic_stop_master(struct il_priv *il);
 227 extern void il3945_hw_txq_ctx_free(struct il_priv *il);
 228 extern void il3945_hw_txq_ctx_stop(struct il_priv *il);
 229 extern int il3945_hw_nic_reset(struct il_priv *il);
 230 extern int il3945_hw_txq_attach_buf_to_tfd(struct il_priv *il,
 231                                            struct il_tx_queue *txq,
 232                                            dma_addr_t addr, u16 len, u8 reset,
 233                                            u8 pad);
 234 extern void il3945_hw_txq_free_tfd(struct il_priv *il, struct il_tx_queue *txq);
 235 extern int il3945_hw_get_temperature(struct il_priv *il);
 236 extern int il3945_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
 237 extern unsigned int il3945_hw_get_beacon_cmd(struct il_priv *il,
 238                                              struct il3945_frame *frame,
 239                                              u8 rate);
 240 void il3945_hw_build_tx_cmd_rate(struct il_priv *il, struct il_device_cmd *cmd,
 241                                  struct ieee80211_tx_info *info,
 242                                  struct ieee80211_hdr *hdr, int sta_id);
 243 extern int il3945_hw_reg_send_txpower(struct il_priv *il);
 244 extern int il3945_hw_reg_set_txpower(struct il_priv *il, s8 power);
 245 extern void il3945_hdl_stats(struct il_priv *il, struct il_rx_buf *rxb);
 246 void il3945_hdl_c_stats(struct il_priv *il, struct il_rx_buf *rxb);
 247 extern void il3945_disable_events(struct il_priv *il);
 248 extern int il4965_get_temperature(const struct il_priv *il);
 249 extern void il3945_post_associate(struct il_priv *il);
 250 extern void il3945_config_ap(struct il_priv *il);
 251
 252 extern int il3945_commit_rxon(struct il_priv *il, struct il_rxon_context *ctx);
 253
 254 /**
 255  * il3945_hw_find_station - Find station id for a given BSSID
 256  * @bssid: MAC address of station ID to find
 257  *
 258  * NOTE:  This should not be hardware specific but the code has
 259  * not yet been merged into a single common layer for managing the
 260  * station tables.
 261  */
 262 extern u8 il3945_hw_find_station(struct il_priv *il, const u8 * bssid);
 263
 264 extern struct ieee80211_ops il3945_hw_ops;
 265
 266 extern __le32 il3945_get_antenna_flags(const struct il_priv *il);
 267 extern int il3945_init_hw_rate_table(struct il_priv *il);
 268 extern void il3945_reg_txpower_periodic(struct il_priv *il);
 269 extern int il3945_txpower_set_from_eeprom(struct il_priv *il);
 270
 271 extern int il3945_rs_next_rate(struct il_priv *il, int rate);
 272
 273 /* scanning */
 274 int il3945_request_scan(struct il_priv *il, struct ieee80211_vif *vif);
 275 void il3945_post_scan(struct il_priv *il);
 276
 277 /* rates */
 278 extern const struct il3945_rate_info il3945_rates[RATE_COUNT_3945];
 279
 280 /* RSSI to dBm */
 281 #define IL39_RSSI_OFFSET        95
 282
 283 /*
 284  * EEPROM related constants, enums, and structures.
 285  */
 286 #define EEPROM_SKU_CAP_OP_MODE_MRC                      (1 << 7)
 287
 288 /*
 289  * Mapping of a Tx power level, at factory calibration temperature,
 290  *   to a radio/DSP gain table idx.
 291  * One for each of 5 "sample" power levels in each band.
 292  * v_det is measured at the factory, using the 3945's built-in power amplifier
 293  *   (PA) output voltage detector.  This same detector is used during Tx of
 294  *   long packets in normal operation to provide feedback as to proper output
 295  *   level.
 296  * Data copied from EEPROM.
 297  * DO NOT ALTER THIS STRUCTURE!!!
 298  */
 299 struct il3945_eeprom_txpower_sample {
 300         u8 gain_idx;            /* idx into power (gain) setup table ... */
 301         s8 power;               /* ... for this pwr level for this chnl group */
 302         u16 v_det;              /* PA output voltage */
 303 } __packed;
 304
 305 /*
 306  * Mappings of Tx power levels -> nominal radio/DSP gain table idxes.
 307  * One for each channel group (a.k.a. "band") (1 for BG, 4 for A).
 308  * Tx power setup code interpolates between the 5 "sample" power levels
 309  *    to determine the nominal setup for a requested power level.
 310  * Data copied from EEPROM.
 311  * DO NOT ALTER THIS STRUCTURE!!!
 312  */
 313 struct il3945_eeprom_txpower_group {
 314         struct il3945_eeprom_txpower_sample samples[5]; /* 5 power levels */
 315         s32 a, b, c, d, e;      /* coefficients for voltage->power
 316                                  * formula (signed) */
 317         s32 Fa, Fb, Fc, Fd, Fe; /* these modify coeffs based on
 318                                  * frequency (signed) */
 319         s8 saturation_power;    /* highest power possible by h/w in this
 320                                  * band */
 321         u8 group_channel;       /* "representative" channel # in this band */
 322         s16 temperature;        /* h/w temperature at factory calib this band
 323                                  * (signed) */
 324 } __packed;
 325
 326 /*
 327  * Temperature-based Tx-power compensation data, not band-specific.
 328  * These coefficients are use to modify a/b/c/d/e coeffs based on
 329  *   difference between current temperature and factory calib temperature.
 330  * Data copied from EEPROM.
 331  */
 332 struct il3945_eeprom_temperature_corr {
 333         u32 Ta;
 334         u32 Tb;
 335         u32 Tc;
 336         u32 Td;
 337         u32 Te;
 338 } __packed;
 339
 340 /*
 341  * EEPROM map
 342  */
 343 struct il3945_eeprom {
 344         u8 reserved0[16];
 345         u16 device_id;          /* abs.ofs: 16 */
 346         u8 reserved1[2];
 347         u16 pmc;                /* abs.ofs: 20 */
 348         u8 reserved2[20];
 349         u8 mac_address[6];      /* abs.ofs: 42 */
 350         u8 reserved3[58];
 351         u16 board_revision;     /* abs.ofs: 106 */
 352         u8 reserved4[11];
 353         u8 board_pba_number[9]; /* abs.ofs: 119 */
 354         u8 reserved5[8];
 355         u16 version;            /* abs.ofs: 136 */
 356         u8 sku_cap;             /* abs.ofs: 138 */
 357         u8 leds_mode;           /* abs.ofs: 139 */
 358         u16 oem_mode;
 359         u16 wowlan_mode;        /* abs.ofs: 142 */
 360         u16 leds_time_interval; /* abs.ofs: 144 */
 361         u8 leds_off_time;       /* abs.ofs: 146 */
 362         u8 leds_on_time;        /* abs.ofs: 147 */
 363         u8 almgor_m_version;    /* abs.ofs: 148 */
 364         u8 antenna_switch_type; /* abs.ofs: 149 */
 365         u8 reserved6[42];
 366         u8 sku_id[4];           /* abs.ofs: 192 */
 367
 368 /*
 369  * Per-channel regulatory data.
 370  *
 371  * Each channel that *might* be supported by 3945 has a fixed location
 372  * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
 373  * txpower (MSB).
 374  *
 375  * Entries immediately below are for 20 MHz channel width.
 376  *
 377  * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
 378  */
 379         u16 band_1_count;       /* abs.ofs: 196 */
 380         struct il_eeprom_channel band_1_channels[14];   /* abs.ofs: 198 */
 381
 382 /*
 383  * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
 384  * 5.0 GHz channels 7, 8, 11, 12, 16
 385  * (4915-5080MHz) (none of these is ever supported)
 386  */
 387         u16 band_2_count;       /* abs.ofs: 226 */
 388         struct il_eeprom_channel band_2_channels[13];   /* abs.ofs: 228 */
 389
 390 /*
 391  * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
 392  * (5170-5320MHz)
 393  */
 394         u16 band_3_count;       /* abs.ofs: 254 */
 395         struct il_eeprom_channel band_3_channels[12];   /* abs.ofs: 256 */
 396
 397 /*
 398  * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
 399  * (5500-5700MHz)
 400  */
 401         u16 band_4_count;       /* abs.ofs: 280 */
 402         struct il_eeprom_channel band_4_channels[11];   /* abs.ofs: 282 */
 403
 404 /*
 405  * 5.7 GHz channels 145, 149, 153, 157, 161, 165
 406  * (5725-5825MHz)
 407  */
 408         u16 band_5_count;       /* abs.ofs: 304 */
 409         struct il_eeprom_channel band_5_channels[6];    /* abs.ofs: 306 */
 410
 411         u8 reserved9[194];
 412
 413 /*
 414  * 3945 Txpower calibration data.
 415  */
 416 #define IL_NUM_TX_CALIB_GROUPS 5
 417         struct il3945_eeprom_txpower_group groups[IL_NUM_TX_CALIB_GROUPS];
 418 /* abs.ofs: 512 */
 419         struct il3945_eeprom_temperature_corr corrections;      /* abs.ofs: 832 */
 420         u8 reserved16[172];     /* fill out to full 1024 byte block */
 421 } __packed;
 422
 423 #define IL3945_EEPROM_IMG_SIZE 1024
 424
 425 /* End of EEPROM */
 426
 427 #define PCI_CFG_REV_ID_BIT_BASIC_SKU                (0x40)      /* bit 6    */
 428 #define PCI_CFG_REV_ID_BIT_RTP                      (0x80)      /* bit 7    */
 429
 430 /* 4 DATA + 1 CMD. There are 2 HCCA queues that are not used. */
 431 #define IL39_NUM_QUEUES        5
 432 #define IL39_CMD_QUEUE_NUM      4
 433
 434 #define IL_DEFAULT_TX_RETRY  15
 435
 436 /*********************************************/
 437
 438 #define RFD_SIZE                              4
 439 #define NUM_TFD_CHUNKS                        4
 440
 441 #define TFD_CTL_COUNT_SET(n)       (n << 24)
 442 #define TFD_CTL_COUNT_GET(ctl)     ((ctl >> 24) & 7)
 443 #define TFD_CTL_PAD_SET(n)         (n << 28)
 444 #define TFD_CTL_PAD_GET(ctl)       (ctl >> 28)
 445
 446 /* Sizes and addresses for instruction and data memory (SRAM) in
 447  * 3945's embedded processor.  Driver access is via HBUS_TARG_MEM_* regs. */
 448 #define IL39_RTC_INST_LOWER_BOUND               (0x000000)
 449 #define IL39_RTC_INST_UPPER_BOUND               (0x014000)
 450
 451 #define IL39_RTC_DATA_LOWER_BOUND               (0x800000)
 452 #define IL39_RTC_DATA_UPPER_BOUND               (0x808000)
 453
 454 #define IL39_RTC_INST_SIZE (IL39_RTC_INST_UPPER_BOUND - \
 455                                 IL39_RTC_INST_LOWER_BOUND)
 456 #define IL39_RTC_DATA_SIZE (IL39_RTC_DATA_UPPER_BOUND - \
 457                                 IL39_RTC_DATA_LOWER_BOUND)
 458
 459 #define IL39_MAX_INST_SIZE IL39_RTC_INST_SIZE
 460 #define IL39_MAX_DATA_SIZE IL39_RTC_DATA_SIZE
 461
 462 /* Size of uCode instruction memory in bootstrap state machine */
 463 #define IL39_MAX_BSM_SIZE IL39_RTC_INST_SIZE
 464
 465 static inline int
 466 il3945_hw_valid_rtc_data_addr(u32 addr)
 467 {
 468         return (addr >= IL39_RTC_DATA_LOWER_BOUND &&
 469                 addr < IL39_RTC_DATA_UPPER_BOUND);
 470 }
 471
 472 /* Base physical address of il3945_shared is provided to FH39_TSSR_CBB_BASE
 473  * and &il3945_shared.rx_read_ptr[0] is provided to FH39_RCSR_RPTR_ADDR(0) */
 474 struct il3945_shared {
 475         __le32 tx_base_ptr[8];
 476 } __packed;
 477
 478 /************************************/
 479 /* iwl3945 Flow Handler Definitions */
 480 /************************************/
 481
 482 /**
 483  * This I/O area is directly read/writable by driver (e.g. Linux uses writel())
 484  * Addresses are offsets from device's PCI hardware base address.
 485  */
 486 #define FH39_MEM_LOWER_BOUND                   (0x0800)
 487 #define FH39_MEM_UPPER_BOUND                   (0x1000)
 488
 489 #define FH39_CBCC_TBL           (FH39_MEM_LOWER_BOUND + 0x140)
 490 #define FH39_TFDB_TBL           (FH39_MEM_LOWER_BOUND + 0x180)
 491 #define FH39_RCSR_TBL           (FH39_MEM_LOWER_BOUND + 0x400)
 492 #define FH39_RSSR_TBL           (FH39_MEM_LOWER_BOUND + 0x4c0)
 493 #define FH39_TCSR_TBL           (FH39_MEM_LOWER_BOUND + 0x500)
 494 #define FH39_TSSR_TBL           (FH39_MEM_LOWER_BOUND + 0x680)
 495
 496 /* TFDB (Transmit Frame Buffer Descriptor) */
 497 #define FH39_TFDB(_ch, buf)                     (FH39_TFDB_TBL + \
 498                                                  ((_ch) * 2 + (buf)) * 0x28)
 499 #define FH39_TFDB_CHNL_BUF_CTRL_REG(_ch)        (FH39_TFDB_TBL + 0x50 * (_ch))
 500
 501 /* CBCC channel is [0,2] */
 502 #define FH39_CBCC(_ch)          (FH39_CBCC_TBL + (_ch) * 0x8)
 503 #define FH39_CBCC_CTRL(_ch)     (FH39_CBCC(_ch) + 0x00)
 504 #define FH39_CBCC_BASE(_ch)     (FH39_CBCC(_ch) + 0x04)
 505
 506 /* RCSR channel is [0,2] */
 507 #define FH39_RCSR(_ch)                  (FH39_RCSR_TBL + (_ch) * 0x40)
 508 #define FH39_RCSR_CONFIG(_ch)           (FH39_RCSR(_ch) + 0x00)
 509 #define FH39_RCSR_RBD_BASE(_ch)         (FH39_RCSR(_ch) + 0x04)
 510 #define FH39_RCSR_WPTR(_ch)             (FH39_RCSR(_ch) + 0x20)
 511 #define FH39_RCSR_RPTR_ADDR(_ch)        (FH39_RCSR(_ch) + 0x24)
 512
 513 #define FH39_RSCSR_CHNL0_WPTR           (FH39_RCSR_WPTR(0))
 514
 515 /* RSSR */
 516 #define FH39_RSSR_CTRL                  (FH39_RSSR_TBL + 0x000)
 517 #define FH39_RSSR_STATUS                (FH39_RSSR_TBL + 0x004)
 518
 519 /* TCSR */
 520 #define FH39_TCSR(_ch)                  (FH39_TCSR_TBL + (_ch) * 0x20)
 521 #define FH39_TCSR_CONFIG(_ch)           (FH39_TCSR(_ch) + 0x00)
 522 #define FH39_TCSR_CREDIT(_ch)           (FH39_TCSR(_ch) + 0x04)
 523 #define FH39_TCSR_BUFF_STTS(_ch)        (FH39_TCSR(_ch) + 0x08)
 524
 525 /* TSSR */
 526 #define FH39_TSSR_CBB_BASE        (FH39_TSSR_TBL + 0x000)
 527 #define FH39_TSSR_MSG_CONFIG      (FH39_TSSR_TBL + 0x008)
 528 #define FH39_TSSR_TX_STATUS       (FH39_TSSR_TBL + 0x010)
 529
 530 /* DBM */
 531
 532 #define FH39_SRVC_CHNL                            (6)
 533
 534 #define FH39_RCSR_RX_CONFIG_REG_POS_RBDC_SIZE     (20)
 535 #define FH39_RCSR_RX_CONFIG_REG_POS_IRQ_RBTH      (4)
 536
 537 #define FH39_RCSR_RX_CONFIG_REG_BIT_WR_STTS_EN    (0x08000000)
 538
 539 #define FH39_RCSR_RX_CONFIG_REG_VAL_DMA_CHNL_EN_ENABLE        (0x80000000)
 540
 541 #define FH39_RCSR_RX_CONFIG_REG_VAL_RDRBD_EN_ENABLE           (0x20000000)
 542
 543 #define FH39_RCSR_RX_CONFIG_REG_VAL_MAX_FRAG_SIZE_128           (0x01000000)
 544
 545 #define FH39_RCSR_RX_CONFIG_REG_VAL_IRQ_DEST_INT_HOST           (0x00001000)
 546
 547 #define FH39_RCSR_RX_CONFIG_REG_VAL_MSG_MODE_FH                 (0x00000000)
 548
 549 #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_TXF                (0x00000000)
 550 #define FH39_TCSR_TX_CONFIG_REG_VAL_MSG_MODE_DRIVER             (0x00000001)
 551
 552 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE_VAL      (0x00000000)
 553 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_ENABLE_VAL       (0x00000008)
 554
 555 #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_IFTFD             (0x00200000)
 556
 557 #define FH39_TCSR_TX_CONFIG_REG_VAL_CIRQ_RTC_NOINT              (0x00000000)
 558
 559 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE              (0x00000000)
 560 #define FH39_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE             (0x80000000)
 561
 562 #define FH39_TCSR_CHNL_TX_BUF_STS_REG_VAL_TFDB_VALID            (0x00004000)
 563
 564 #define FH39_TCSR_CHNL_TX_BUF_STS_REG_BIT_TFDB_WPTR             (0x00000001)
 565
 566 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TXPD_ON        (0xFF000000)
 567 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_TXPD_ON        (0x00FF0000)
 568
 569 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_MAX_FRAG_SIZE_128B      (0x00000400)
 570
 571 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_SNOOP_RD_TFD_ON         (0x00000100)
 572 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RD_CBB_ON         (0x00000080)
 573
 574 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_ORDER_RSP_WAIT_TH       (0x00000020)
 575 #define FH39_TSSR_TX_MSG_CONFIG_REG_VAL_RSP_WAIT_TH             (0x00000005)
 576
 577 #define FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch)     (BIT(_ch) << 24)
 578 #define FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch)    (BIT(_ch) << 16)
 579
 580 #define FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(_ch) \
 581         (FH39_TSSR_TX_STATUS_REG_BIT_BUFS_EMPTY(_ch) | \
 582          FH39_TSSR_TX_STATUS_REG_BIT_NO_PEND_REQ(_ch))
 583
 584 #define FH39_RSSR_CHNL0_RX_STATUS_CHNL_IDLE                     (0x01000000)
 585
 586 struct il3945_tfd_tb {
 587         __le32 addr;
 588         __le32 len;
 589 } __packed;
 590
 591 struct il3945_tfd {
 592         __le32 control_flags;
 593         struct il3945_tfd_tb tbs[4];
 594         u8 __pad[28];
 595 } __packed;
 596
 597 #ifdef CONFIG_IWLEGACY_DEBUGFS
 598 ssize_t il3945_ucode_rx_stats_read(struct file *file, char __user *user_buf,
 599                                    size_t count, loff_t *ppos);
 600 ssize_t il3945_ucode_tx_stats_read(struct file *file, char __user *user_buf,
 601                                    size_t count, loff_t *ppos);
 602 ssize_t il3945_ucode_general_stats_read(struct file *file,
 603                                         char __user *user_buf, size_t count,
 604                                         loff_t *ppos);
 605 #endif
 606
 607 #endif