drivers/net/wireless/iwlwifi/iwl-3945.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2008 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  * Please use this file (iwl-3945.h) for driver implementation definitions.
  28  * Please use iwl-3945-commands.h for uCode API definitions.
  29  * Please use iwl-3945-hw.h for hardware-related definitions.
  30  */
  31
  32 #ifndef __iwl_3945_h__
  33 #define __iwl_3945_h__
  34
  35 #include <linux/pci.h> /* for struct pci_device_id */
  36 #include <linux/kernel.h>
  37 #include <net/ieee80211_radiotap.h>
  38
  39 /*used for rfkill*/
  40 #include <linux/rfkill.h>
  41 #include <linux/input.h>
  42
  43 /* Hardware specific file defines the PCI IDs table for that hardware module */
  44 extern struct pci_device_id iwl3945_hw_card_ids[];
  45
  46 #include "iwl-csr.h"
  47 #include "iwl-prph.h"
  48 #include "iwl-3945-hw.h"
  49 #include "iwl-debug.h"
  50 #include "iwl-power.h"
  51 #include "iwl-dev.h"
  52 #include "iwl-3945-led.h"
  53
  54 /* Highest firmware API version supported */
  55 #define IWL3945_UCODE_API_MAX 2
  56
  57 /* Lowest firmware API version supported */
  58 #define IWL3945_UCODE_API_MIN 1
  59
  60 #define IWL3945_FW_PRE  "iwlwifi-3945-"
  61 #define _IWL3945_MODULE_FIRMWARE(api) IWL3945_FW_PRE #api ".ucode"
  62 #define IWL3945_MODULE_FIRMWARE(api) _IWL3945_MODULE_FIRMWARE(api)
  63
  64 /* Default noise level to report when noise measurement is not available.
  65  *   This may be because we're:
  66  *   1)  Not associated (4965, no beacon statistics being sent to driver)
  67  *   2)  Scanning (noise measurement does not apply to associated channel)
  68  *   3)  Receiving CCK (3945 delivers noise info only for OFDM frames)
  69  * Use default noise value of -127 ... this is below the range of measurable
  70  *   Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
  71  *   Also, -127 works better than 0 when averaging frames with/without
  72  *   noise info (e.g. averaging might be done in app); measured dBm values are
  73  *   always negative ... using a negative value as the default keeps all
  74  *   averages within an s8's (used in some apps) range of negative values. */
  75 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
  76
  77 /* Module parameters accessible from iwl-*.c */
  78 extern int iwl3945_param_hwcrypto;
  79 extern int iwl3945_param_queues_num;
  80
  81 struct iwl3945_sta_priv {
  82         struct iwl3945_rs_sta *rs_sta;
  83 };
  84
  85 enum iwl3945_antenna {
  86         IWL_ANTENNA_DIVERSITY,
  87         IWL_ANTENNA_MAIN,
  88         IWL_ANTENNA_AUX
  89 };
  90
  91 /*
  92  * RTS threshold here is total size [2347] minus 4 FCS bytes
  93  * Per spec:
  94  *   a value of 0 means RTS on all data/management packets
  95  *   a value > max MSDU size means no RTS
  96  * else RTS for data/management frames where MPDU is larger
  97  *   than RTS value.
  98  */
  99 #define IWL_RX_BUF_SIZE           3000U
 100 #define DEFAULT_RTS_THRESHOLD     2347U
 101 #define MIN_RTS_THRESHOLD         0U
 102 #define MAX_RTS_THRESHOLD         2347U
 103 #define MAX_MSDU_SIZE             2304U
 104 #define MAX_MPDU_SIZE             2346U
 105 #define DEFAULT_BEACON_INTERVAL   100U
 106 #define DEFAULT_SHORT_RETRY_LIMIT 7U
 107 #define DEFAULT_LONG_RETRY_LIMIT  4U
 108
 109 struct iwl3945_rx_mem_buffer {
 110         dma_addr_t dma_addr;
 111         struct sk_buff *skb;
 112         struct list_head list;
 113 };
 114
 115 int iwl3945_x2_queue_used(const struct iwl_queue *q, int i);
 116
 117 #define MAX_NUM_OF_TBS          (20)
 118
 119 /* One for each TFD */
 120 struct iwl3945_tx_info {
 121         struct sk_buff *skb[MAX_NUM_OF_TBS];
 122 };
 123
 124 /**
 125  * struct iwl3945_tx_queue - Tx Queue for DMA
 126  * @q: generic Rx/Tx queue descriptor
 127  * @bd: base of circular buffer of TFDs
 128  * @cmd: array of command/Tx buffers
 129  * @dma_addr_cmd: physical address of cmd/tx buffer array
 130  * @txb: array of per-TFD driver data
 131  * @need_update: indicates need to update read/write index
 132  *
 133  * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
 134  * descriptors) and required locking structures.
 135  */
 136 struct iwl3945_tx_queue {
 137         struct iwl_queue q;
 138         struct iwl3945_tfd_frame *bd;
 139         struct iwl3945_cmd *cmd;
 140         dma_addr_t dma_addr_cmd;
 141         struct iwl3945_tx_info *txb;
 142         int need_update;
 143         int active;
 144 };
 145
 146 struct iwl3945_clip_group {
 147         /* maximum power level to prevent clipping for each rate, derived by
 148          *   us from this band's saturation power in EEPROM */
 149         const s8 clip_powers[IWL_MAX_RATES];
 150 };
 151
 152 #include "iwl-agn-rs.h"
 153
 154 #define IWL_TX_FIFO_AC0 0
 155 #define IWL_TX_FIFO_AC1 1
 156 #define IWL_TX_FIFO_AC2 2
 157 #define IWL_TX_FIFO_AC3 3
 158 #define IWL_TX_FIFO_HCCA_1      5
 159 #define IWL_TX_FIFO_HCCA_2      6
 160 #define IWL_TX_FIFO_NONE        7
 161
 162 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
 163 #define IWL_MIN_NUM_QUEUES      4
 164
 165 #define IEEE80211_DATA_LEN              2304
 166 #define IEEE80211_4ADDR_LEN             30
 167 #define IEEE80211_HLEN                  (IEEE80211_4ADDR_LEN)
 168 #define IEEE80211_FRAME_LEN             (IEEE80211_DATA_LEN + IEEE80211_HLEN)
 169
 170 struct iwl3945_frame {
 171         union {
 172                 struct ieee80211_hdr frame;
 173                 struct iwl3945_tx_beacon_cmd beacon;
 174                 u8 raw[IEEE80211_FRAME_LEN];
 175                 u8 cmd[360];
 176         } u;
 177         struct list_head list;
 178 };
 179
 180 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 181 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 182 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
 183
 184 struct iwl3945_cmd;
 185 struct iwl3945_priv;
 186
 187 struct iwl3945_cmd_meta {
 188         struct iwl3945_cmd_meta *source;
 189         union {
 190                 struct sk_buff *skb;
 191                 int (*callback)(struct iwl3945_priv *priv,
 192                                 struct iwl3945_cmd *cmd, struct sk_buff *skb);
 193         } __attribute__ ((packed)) u;
 194
 195         /* The CMD_SIZE_HUGE flag bit indicates that the command
 196          * structure is stored at the end of the shared queue memory. */
 197         u32 flags;
 198
 199 } __attribute__ ((packed));
 200
 201 /**
 202  * struct iwl3945_cmd
 203  *
 204  * For allocation of the command and tx queues, this establishes the overall
 205  * size of the largest command we send to uCode, except for a scan command
 206  * (which is relatively huge; space is allocated separately).
 207  */
 208 struct iwl3945_cmd {
 209         struct iwl3945_cmd_meta meta;
 210         struct iwl_cmd_header hdr;
 211         union {
 212                 struct iwl3945_addsta_cmd addsta;
 213                 struct iwl_led_cmd led;
 214                 u32 flags;
 215                 u8 val8;
 216                 u16 val16;
 217                 u32 val32;
 218                 struct iwl_bt_cmd bt;
 219                 struct iwl_rxon_time_cmd rxon_time;
 220                 struct iwl_powertable_cmd powertable;
 221                 struct iwl_qosparam_cmd qosparam;
 222                 struct iwl3945_tx_cmd tx;
 223                 struct iwl3945_tx_beacon_cmd tx_beacon;
 224                 struct iwl3945_rxon_assoc_cmd rxon_assoc;
 225                 u8 *indirect;
 226                 u8 payload[360];
 227         } __attribute__ ((packed)) cmd;
 228 } __attribute__ ((packed));
 229
 230 struct iwl3945_host_cmd {
 231         u8 id;
 232         u16 len;
 233         struct iwl3945_cmd_meta meta;
 234         const void *data;
 235 };
 236
 237 #define TFD39_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \
 238                               sizeof(struct iwl3945_cmd_meta))
 239
 240 /*
 241  * RX related structures and functions
 242  */
 243 #define RX_FREE_BUFFERS 64
 244 #define RX_LOW_WATERMARK 8
 245
 246 #define SUP_RATE_11A_MAX_NUM_CHANNELS  8
 247 #define SUP_RATE_11B_MAX_NUM_CHANNELS  4
 248 #define SUP_RATE_11G_MAX_NUM_CHANNELS  12
 249
 250 /**
 251  * struct iwl3945_rx_queue - Rx queue
 252  * @processed: Internal index to last handled Rx packet
 253  * @read: Shared index to newest available Rx buffer
 254  * @write: Shared index to oldest written Rx packet
 255  * @free_count: Number of pre-allocated buffers in rx_free
 256  * @rx_free: list of free SKBs for use
 257  * @rx_used: List of Rx buffers with no SKB
 258  * @need_update: flag to indicate we need to update read/write index
 259  *
 260  * NOTE:  rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers
 261  */
 262 struct iwl3945_rx_queue {
 263         __le32 *bd;
 264         dma_addr_t dma_addr;
 265         struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
 266         struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE];
 267         u32 processed;
 268         u32 read;
 269         u32 write;
 270         u32 free_count;
 271         struct list_head rx_free;
 272         struct list_head rx_used;
 273         int need_update;
 274         spinlock_t lock;
 275 };
 276
 277 #define IWL_SUPPORTED_RATES_IE_LEN         8
 278
 279 #define SCAN_INTERVAL 100
 280
 281 #define STATUS_HCMD_ACTIVE      0       /* host command in progress */
 282 #define STATUS_HCMD_SYNC_ACTIVE 1       /* sync host command in progress */
 283 #define STATUS_INT_ENABLED      2
 284 #define STATUS_RF_KILL_HW       3
 285 #define STATUS_RF_KILL_SW       4
 286 #define STATUS_INIT             5
 287 #define STATUS_ALIVE            6
 288 #define STATUS_READY            7
 289 #define STATUS_TEMPERATURE      8
 290 #define STATUS_GEO_CONFIGURED   9
 291 #define STATUS_EXIT_PENDING     10
 292 #define STATUS_IN_SUSPEND       11
 293 #define STATUS_STATISTICS       12
 294 #define STATUS_SCANNING         13
 295 #define STATUS_SCAN_ABORTING    14
 296 #define STATUS_SCAN_HW          15
 297 #define STATUS_POWER_PMI        16
 298 #define STATUS_FW_ERROR         17
 299 #define STATUS_CONF_PENDING     18
 300
 301 #define MAX_TID_COUNT        9
 302
 303 #define IWL_INVALID_RATE     0xFF
 304 #define IWL_INVALID_VALUE    -1
 305
 306 struct iwl3945_tid_data {
 307         u16 seq_number;
 308 };
 309
 310 struct iwl3945_hw_key {
 311         enum ieee80211_key_alg alg;
 312         int keylen;
 313         u8 key[32];
 314 };
 315
 316 union iwl3945_ht_rate_supp {
 317         u16 rates;
 318         struct {
 319                 u8 siso_rate;
 320                 u8 mimo_rate;
 321         };
 322 };
 323
 324 union iwl3945_qos_capabity {
 325         struct {
 326                 u8 edca_count:4;        /* bit 0-3 */
 327                 u8 q_ack:1;             /* bit 4 */
 328                 u8 queue_request:1;     /* bit 5 */
 329                 u8 txop_request:1;      /* bit 6 */
 330                 u8 reserved:1;          /* bit 7 */
 331         } q_AP;
 332         struct {
 333                 u8 acvo_APSD:1;         /* bit 0 */
 334                 u8 acvi_APSD:1;         /* bit 1 */
 335                 u8 ac_bk_APSD:1;        /* bit 2 */
 336                 u8 ac_be_APSD:1;        /* bit 3 */
 337                 u8 q_ack:1;             /* bit 4 */
 338                 u8 max_len:2;           /* bit 5-6 */
 339                 u8 more_data_ack:1;     /* bit 7 */
 340         } q_STA;
 341         u8 val;
 342 };
 343
 344 /* QoS structures */
 345 struct iwl3945_qos_info {
 346         int qos_active;
 347         union iwl3945_qos_capabity qos_cap;
 348         struct iwl_qosparam_cmd def_qos_parm;
 349 };
 350
 351 #define STA_PS_STATUS_WAKE             0
 352 #define STA_PS_STATUS_SLEEP            1
 353
 354 struct iwl3945_station_entry {
 355         struct iwl3945_addsta_cmd sta;
 356         struct iwl3945_tid_data tid[MAX_TID_COUNT];
 357         u8 used;
 358         u8 ps_status;
 359         struct iwl3945_hw_key keyinfo;
 360 };
 361
 362 /* uCode file layout */
 363 struct iwl3945_ucode {
 364         __le32 ver;             /* major/minor/API/serial */
 365         __le32 inst_size;       /* bytes of runtime instructions */
 366         __le32 data_size;       /* bytes of runtime data */
 367         __le32 init_size;       /* bytes of initialization instructions */
 368         __le32 init_data_size;  /* bytes of initialization data */
 369         __le32 boot_size;       /* bytes of bootstrap instructions */
 370         u8 data[0];             /* data in same order as "size" elements */
 371 };
 372
 373 struct iwl3945_ibss_seq {
 374         u8 mac[ETH_ALEN];
 375         u16 seq_num;
 376         u16 frag_num;
 377         unsigned long packet_time;
 378         struct list_head list;
 379 };
 380
 381 /**
 382  * struct iwl3945_driver_hw_info
 383  * @max_txq_num: Max # Tx queues supported
 384  * @tx_cmd_len: Size of Tx command (but not including frame itself)
 385  * @tx_ant_num: Number of TX antennas
 386  * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
 387  * @rx_buf_size:
 388  * @max_pkt_size:
 389  * @max_rxq_log: Log-base-2 of max_rxq_size
 390  * @max_stations:
 391  * @bcast_sta_id:
 392  * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status
 393  * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status
 394  */
 395 struct iwl3945_driver_hw_info {
 396         u16 max_txq_num;
 397         u16 tx_cmd_len;
 398         u16 tx_ant_num;
 399         u16 max_rxq_size;
 400         u32 rx_buf_size;
 401         u32 max_pkt_size;
 402         u16 max_rxq_log;
 403         u8  max_stations;
 404         u8  bcast_sta_id;
 405         void *shared_virt;
 406         dma_addr_t shared_phys;
 407 };
 408
 409 #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\
 410                        x->u.rx_frame.stats.payload + \
 411                        x->u.rx_frame.stats.phy_count))
 412 #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\
 413                        IWL_RX_HDR(x)->payload + \
 414                        le16_to_cpu(IWL_RX_HDR(x)->len)))
 415 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
 416 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
 417
 418
 419 /******************************************************************************
 420  *
 421  * Functions implemented in iwl-base.c which are forward declared here
 422  * for use by iwl-*.c
 423  *
 424  *****************************************************************************/
 425 struct iwl3945_addsta_cmd;
 426 extern int iwl3945_send_add_station(struct iwl3945_priv *priv,
 427                                 struct iwl3945_addsta_cmd *sta, u8 flags);
 428 extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid,
 429                           int is_ap, u8 flags);
 430 extern int iwl3945_power_init_handle(struct iwl3945_priv *priv);
 431 extern int iwl3945_eeprom_init(struct iwl3945_priv *priv);
 432 extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv);
 433 extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv,
 434                                struct iwl3945_rx_queue *rxq);
 435 extern int iwl3945_calc_db_from_ratio(int sig_ratio);
 436 extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm);
 437 extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv,
 438                              struct iwl3945_tx_queue *txq, int count, u32 id);
 439 extern void iwl3945_rx_replenish(void *data);
 440 extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
 441 extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len,
 442                             const void *data);
 443 extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv,
 444                 struct iwl3945_host_cmd *cmd);
 445 extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv,
 446                                         struct ieee80211_hdr *hdr,int left);
 447 extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv,
 448                                          struct iwl3945_rx_queue *q);
 449 extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv);
 450 extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb,
 451                                    u32 decrypt_res,
 452                                    struct ieee80211_rx_status *stats);
 453 extern const u8 iwl3945_broadcast_addr[ETH_ALEN];
 454
 455 /*
 456  * Currently used by iwl-3945-rs... look at restructuring so that it doesn't
 457  * call this... todo... fix that.
 458 */
 459 extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id,
 460                            u16 tx_rate, u8 flags);
 461
 462 /******************************************************************************
 463  *
 464  * Functions implemented in iwl-[34]*.c which are forward declared here
 465  * for use by iwl-base.c
 466  *
 467  * NOTE:  The implementation of these functions are hardware specific
 468  * which is why they are in the hardware specific files (vs. iwl-base.c)
 469  *
 470  * Naming convention --
 471  * iwl3945_         <-- Its part of iwlwifi (should be changed to iwl3945_)
 472  * iwl3945_hw_      <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
 473  * iwlXXXX_     <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
 474  * iwl3945_bg_      <-- Called from work queue context
 475  * iwl3945_mac_     <-- mac80211 callback
 476  *
 477  ****************************************************************************/
 478 extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv);
 479 extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv);
 480 extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv);
 481 extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv);
 482 extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv);
 483 extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv);
 484 extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv);
 485 extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv);
 486 extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv);
 487 extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv);
 488 extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd,
 489                                         dma_addr_t addr, u16 len);
 490 extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq);
 491 extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv);
 492 extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv,
 493                                 struct iwl3945_tx_queue *txq);
 494 extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
 495                                  struct iwl3945_frame *frame, u8 rate);
 496 extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
 497 extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
 498                                      struct iwl3945_cmd *cmd,
 499                                      struct ieee80211_tx_info *info,
 500                                      struct ieee80211_hdr *hdr,
 501                                      int sta_id, int tx_id);
 502 extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
 503 extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power);
 504 extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv,
 505                                  struct iwl3945_rx_mem_buffer *rxb);
 506 extern void iwl3945_disable_events(struct iwl3945_priv *priv);
 507 extern int iwl4965_get_temperature(const struct iwl3945_priv *priv);
 508
 509 /**
 510  * iwl3945_hw_find_station - Find station id for a given BSSID
 511  * @bssid: MAC address of station ID to find
 512  *
 513  * NOTE:  This should not be hardware specific but the code has
 514  * not yet been merged into a single common layer for managing the
 515  * station tables.
 516  */
 517 extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid);
 518
 519 extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel);
 520
 521 /*
 522  * Forward declare iwl-3945.c functions for iwl-base.c
 523  */
 524 extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv);
 525 extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv);
 526 extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv);
 527 extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv);
 528 extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id,
 529                  u16 tx_rate, u8 flags);
 530
 531 #ifdef CONFIG_IWL3945_RFKILL
 532 struct iwl3945_priv;
 533
 534 void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv);
 535 void iwl3945_rfkill_unregister(struct iwl3945_priv *priv);
 536 int iwl3945_rfkill_init(struct iwl3945_priv *priv);
 537 #else
 538 static inline void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv) {}
 539 static inline void iwl3945_rfkill_unregister(struct iwl3945_priv *priv) {}
 540 static inline int iwl3945_rfkill_init(struct iwl3945_priv *priv) { return 0; }
 541 #endif
 542
 543
 544 struct iwl3945_priv {
 545
 546         /* ieee device used by generic ieee processing code */
 547         struct ieee80211_hw *hw;
 548         struct ieee80211_channel *ieee_channels;
 549         struct ieee80211_rate *ieee_rates;
 550         struct iwl_3945_cfg *cfg; /* device configuration */
 551
 552         /* temporary frame storage list */
 553         struct list_head free_frames;
 554         int frames_count;
 555
 556         enum ieee80211_band band;
 557         int alloc_rxb_skb;
 558
 559         void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv,
 560                                        struct iwl3945_rx_mem_buffer *rxb);
 561
 562         struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
 563
 564 #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
 565         /* spectrum measurement report caching */
 566         struct iwl_spectrum_notification measure_report;
 567         u8 measurement_status;
 568 #endif
 569         /* ucode beacon time */
 570         u32 ucode_beacon_time;
 571
 572         /* we allocate array of iwl3945_channel_info for NIC's valid channels.
 573          *    Access via channel # using indirect index array */
 574         struct iwl_channel_info *channel_info;  /* channel info array */
 575         u8 channel_count;       /* # of channels */
 576
 577         /* each calibration channel group in the EEPROM has a derived
 578          * clip setting for each rate. */
 579         const struct iwl3945_clip_group clip_groups[5];
 580
 581         /* thermal calibration */
 582         s32 temperature;        /* degrees Kelvin */
 583         s32 last_temperature;
 584
 585         /* Scan related variables */
 586         unsigned long last_scan_jiffies;
 587         unsigned long next_scan_jiffies;
 588         unsigned long scan_start;
 589         unsigned long scan_pass_start;
 590         unsigned long scan_start_tsf;
 591         int scan_bands;
 592         int one_direct_scan;
 593         u8 direct_ssid_len;
 594         u8 direct_ssid[IW_ESSID_MAX_SIZE];
 595         struct iwl3945_scan_cmd *scan;
 596
 597         /* spinlock */
 598         spinlock_t lock;        /* protect general shared data */
 599         spinlock_t hcmd_lock;   /* protect hcmd */
 600         struct mutex mutex;
 601
 602         /* basic pci-network driver stuff */
 603         struct pci_dev *pci_dev;
 604
 605         /* pci hardware address support */
 606         void __iomem *hw_base;
 607
 608         /* uCode images, save to reload in case of failure */
 609         u32 ucode_ver;                  /* ucode version, copy of
 610                                            iwl3945_ucode.ver */
 611         struct fw_desc ucode_code;      /* runtime inst */
 612         struct fw_desc ucode_data;      /* runtime data original */
 613         struct fw_desc ucode_data_backup;       /* runtime data save/restore */
 614         struct fw_desc ucode_init;      /* initialization inst */
 615         struct fw_desc ucode_init_data; /* initialization data */
 616         struct fw_desc ucode_boot;      /* bootstrap inst */
 617
 618
 619         struct iwl_rxon_time_cmd rxon_timing;
 620
 621         /* We declare this const so it can only be
 622          * changed via explicit cast within the
 623          * routines that actually update the physical
 624          * hardware */
 625         const struct iwl3945_rxon_cmd active_rxon;
 626         struct iwl3945_rxon_cmd staging_rxon;
 627
 628         int error_recovering;
 629         struct iwl3945_rxon_cmd recovery_rxon;
 630
 631         /* 1st responses from initialize and runtime uCode images.
 632          * 4965's initialize alive response contains some calibration data. */
 633         /* FIXME: 4965 uses bigger structure for init */
 634         struct iwl_alive_resp card_alive_init;
 635         struct iwl_alive_resp card_alive;
 636
 637 #ifdef CONFIG_IWL3945_RFKILL
 638         struct rfkill *rfkill;
 639 #endif
 640
 641 #ifdef CONFIG_IWL3945_LEDS
 642         struct iwl3945_led led[IWL_LED_TRG_MAX];
 643         unsigned long last_blink_time;
 644         u8 last_blink_rate;
 645         u8 allow_blinking;
 646         unsigned int rxtxpackets;
 647         u64 led_tpt;
 648 #endif
 649
 650
 651         u16 active_rate;
 652         u16 active_rate_basic;
 653
 654         u32 sta_supp_rates;
 655
 656         u8 call_post_assoc_from_beacon;
 657         /* Rate scaling data */
 658         s8 data_retry_limit;
 659         u8 retry_rate;
 660
 661         wait_queue_head_t wait_command_queue;
 662
 663         int activity_timer_active;
 664
 665         /* Rx and Tx DMA processing queues */
 666         struct iwl3945_rx_queue rxq;
 667         struct iwl3945_tx_queue txq[IWL39_MAX_NUM_QUEUES];
 668
 669         unsigned long status;
 670
 671         int last_rx_rssi;       /* From Rx packet statisitics */
 672         int last_rx_noise;      /* From beacon statistics */
 673
 674         struct iwl3945_power_mgr power_data;
 675
 676         struct iwl3945_notif_statistics statistics;
 677         unsigned long last_statistics_time;
 678
 679         /* context information */
 680         u16 rates_mask;
 681
 682         u32 power_mode;
 683         u32 antenna;
 684         u8 bssid[ETH_ALEN];
 685         u16 rts_threshold;
 686         u8 mac_addr[ETH_ALEN];
 687
 688         /*station table variables */
 689         spinlock_t sta_lock;
 690         int num_stations;
 691         struct iwl3945_station_entry stations[IWL_STATION_COUNT];
 692
 693         /* Indication if ieee80211_ops->open has been called */
 694         u8 is_open;
 695
 696         u8 mac80211_registered;
 697
 698         /* Rx'd packet timing information */
 699         u32 last_beacon_time;
 700         u64 last_tsf;
 701
 702         /* eeprom */
 703         struct iwl3945_eeprom eeprom;
 704
 705         enum nl80211_iftype iw_mode;
 706
 707         struct sk_buff *ibss_beacon;
 708
 709         /* Last Rx'd beacon timestamp */
 710         u64 timestamp;
 711         u16 beacon_int;
 712         struct iwl3945_driver_hw_info hw_setting;
 713         struct ieee80211_vif *vif;
 714
 715         /* Current association information needed to configure the
 716          * hardware */
 717         u16 assoc_id;
 718         u16 assoc_capability;
 719         u8 ps_mode;
 720
 721         struct iwl3945_qos_info qos_data;
 722
 723         struct workqueue_struct *workqueue;
 724
 725         struct work_struct up;
 726         struct work_struct restart;
 727         struct work_struct calibrated_work;
 728         struct work_struct scan_completed;
 729         struct work_struct rx_replenish;
 730         struct work_struct rf_kill;
 731         struct work_struct abort_scan;
 732         struct work_struct update_link_led;
 733         struct work_struct auth_work;
 734         struct work_struct report_work;
 735         struct work_struct request_scan;
 736         struct work_struct beacon_update;
 737
 738         struct tasklet_struct irq_tasklet;
 739
 740         struct delayed_work init_alive_start;
 741         struct delayed_work alive_start;
 742         struct delayed_work activity_timer;
 743         struct delayed_work thermal_periodic;
 744         struct delayed_work gather_stats;
 745         struct delayed_work scan_check;
 746
 747 #define IWL_DEFAULT_TX_POWER 0x0F
 748         s8 user_txpower_limit;
 749         s8 max_channel_txpower_limit;
 750
 751
 752 #ifdef CONFIG_IWL3945_DEBUG
 753         /* debugging info */
 754         u32 debug_level;
 755         u32 framecnt_to_us;
 756         atomic_t restrict_refcnt;
 757 #endif
 758 };                              /*iwl3945_priv */
 759
 760 static inline int iwl3945_is_associated(struct iwl3945_priv *priv)
 761 {
 762         return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
 763 }
 764
 765 extern const struct iwl_channel_info *iwl3945_get_channel_info(
 766         const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel);
 767
 768 extern int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate);
 769
 770 /* Requires full declaration of iwl3945_priv before including */
 771 #include "iwl-3945-io.h"
 772
 773 #endif