Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Reinette Chatre | eb7ae89 | 2008-03-11 16:17:17 -0700 | [diff] [blame] | 3 | * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved. |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 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 | * James P. Ketrenos <ipw2100-admin@linux.intel.com> |
| 23 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 24 | * |
| 25 | *****************************************************************************/ |
Ben Cahill | fcd427b | 2007-11-29 11:10:00 +0800 | [diff] [blame] | 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 | */ |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 31 | |
| 32 | #ifndef __iwl_3945_h__ |
| 33 | #define __iwl_3945_h__ |
| 34 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 35 | #include <linux/pci.h> /* for struct pci_device_id */ |
| 36 | #include <linux/kernel.h> |
| 37 | #include <net/ieee80211_radiotap.h> |
| 38 | |
Abhijeet Kolekar | ebef200 | 2008-06-30 17:23:18 +0800 | [diff] [blame] | 39 | /*used for rfkill*/ |
| 40 | #include <linux/rfkill.h> |
| 41 | #include <linux/input.h> |
| 42 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 43 | /* Hardware specific file defines the PCI IDs table for that hardware module */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 44 | extern struct pci_device_id iwl3945_hw_card_ids[]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 45 | |
| 46 | #define DRV_NAME "iwl3945" |
Tomas Winkler | 6f83eaa | 2008-03-04 18:09:28 -0800 | [diff] [blame] | 47 | #include "iwl-csr.h" |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 48 | #include "iwl-prph.h" |
Tomas Winkler | 6f83eaa | 2008-03-04 18:09:28 -0800 | [diff] [blame] | 49 | #include "iwl-3945-hw.h" |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 50 | #include "iwl-3945-debug.h" |
Mohamed Abbas | ab53d8a | 2008-03-25 16:33:36 -0700 | [diff] [blame] | 51 | #include "iwl-3945-led.h" |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 52 | |
Tomas Winkler | 4bf775c | 2008-03-04 18:09:31 -0800 | [diff] [blame] | 53 | /* Change firmware file name, using "-" and incrementing number, |
| 54 | * *only* when uCode interface or architecture changes so that it |
| 55 | * is not compatible with earlier drivers. |
| 56 | * This number will also appear in << 8 position of 1st dword of uCode file */ |
| 57 | #define IWL3945_UCODE_API "-1" |
| 58 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 59 | /* Default noise level to report when noise measurement is not available. |
| 60 | * This may be because we're: |
| 61 | * 1) Not associated (4965, no beacon statistics being sent to driver) |
| 62 | * 2) Scanning (noise measurement does not apply to associated channel) |
| 63 | * 3) Receiving CCK (3945 delivers noise info only for OFDM frames) |
| 64 | * Use default noise value of -127 ... this is below the range of measurable |
| 65 | * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user. |
| 66 | * Also, -127 works better than 0 when averaging frames with/without |
| 67 | * noise info (e.g. averaging might be done in app); measured dBm values are |
| 68 | * always negative ... using a negative value as the default keeps all |
| 69 | * averages within an s8's (used in some apps) range of negative values. */ |
| 70 | #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127) |
| 71 | |
| 72 | /* Module parameters accessible from iwl-*.c */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 73 | extern int iwl3945_param_hwcrypto; |
| 74 | extern int iwl3945_param_queues_num; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 75 | |
Johannes Berg | 4b7679a | 2008-09-18 18:14:18 +0200 | [diff] [blame] | 76 | struct iwl3945_sta_priv { |
| 77 | struct iwl3945_rs_sta *rs_sta; |
| 78 | }; |
| 79 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 80 | enum iwl3945_antenna { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 81 | IWL_ANTENNA_DIVERSITY, |
| 82 | IWL_ANTENNA_MAIN, |
| 83 | IWL_ANTENNA_AUX |
| 84 | }; |
| 85 | |
| 86 | /* |
| 87 | * RTS threshold here is total size [2347] minus 4 FCS bytes |
| 88 | * Per spec: |
| 89 | * a value of 0 means RTS on all data/management packets |
| 90 | * a value > max MSDU size means no RTS |
| 91 | * else RTS for data/management frames where MPDU is larger |
| 92 | * than RTS value. |
| 93 | */ |
Ron Rindjunsky | 9ee1ba4 | 2007-11-26 16:14:42 +0200 | [diff] [blame] | 94 | #define IWL_RX_BUF_SIZE 3000U |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 95 | #define DEFAULT_RTS_THRESHOLD 2347U |
| 96 | #define MIN_RTS_THRESHOLD 0U |
| 97 | #define MAX_RTS_THRESHOLD 2347U |
| 98 | #define MAX_MSDU_SIZE 2304U |
| 99 | #define MAX_MPDU_SIZE 2346U |
| 100 | #define DEFAULT_BEACON_INTERVAL 100U |
| 101 | #define DEFAULT_SHORT_RETRY_LIMIT 7U |
| 102 | #define DEFAULT_LONG_RETRY_LIMIT 4U |
| 103 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 104 | struct iwl3945_rx_mem_buffer { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 105 | dma_addr_t dma_addr; |
| 106 | struct sk_buff *skb; |
| 107 | struct list_head list; |
| 108 | }; |
| 109 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 110 | /* |
| 111 | * Generic queue structure |
| 112 | * |
| 113 | * Contains common data for Rx and Tx queues |
| 114 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 115 | struct iwl3945_queue { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 116 | int n_bd; /* number of BDs in this queue */ |
| 117 | int write_ptr; /* 1-st empty entry (index) host_w*/ |
| 118 | int read_ptr; /* last used entry (index) host_r*/ |
| 119 | dma_addr_t dma_addr; /* physical addr for BD's */ |
| 120 | int n_window; /* safe queue window */ |
| 121 | u32 id; |
| 122 | int low_mark; /* low watermark, resume queue if free |
| 123 | * space more than this */ |
| 124 | int high_mark; /* high watermark, stop queue if free |
| 125 | * space less than this */ |
| 126 | } __attribute__ ((packed)); |
| 127 | |
Tomas Winkler | c54b679 | 2008-03-06 17:36:53 -0800 | [diff] [blame] | 128 | int iwl3945_queue_space(const struct iwl3945_queue *q); |
| 129 | int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i); |
| 130 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 131 | #define MAX_NUM_OF_TBS (20) |
| 132 | |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 133 | /* One for each TFD */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 134 | struct iwl3945_tx_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 135 | struct sk_buff *skb[MAX_NUM_OF_TBS]; |
| 136 | }; |
| 137 | |
| 138 | /** |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 139 | * struct iwl3945_tx_queue - Tx Queue for DMA |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 140 | * @q: generic Rx/Tx queue descriptor |
| 141 | * @bd: base of circular buffer of TFDs |
| 142 | * @cmd: array of command/Tx buffers |
| 143 | * @dma_addr_cmd: physical address of cmd/tx buffer array |
| 144 | * @txb: array of per-TFD driver data |
| 145 | * @need_update: indicates need to update read/write index |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 146 | * |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 147 | * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame |
| 148 | * descriptors) and required locking structures. |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 149 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 150 | struct iwl3945_tx_queue { |
| 151 | struct iwl3945_queue q; |
| 152 | struct iwl3945_tfd_frame *bd; |
| 153 | struct iwl3945_cmd *cmd; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 154 | dma_addr_t dma_addr_cmd; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 155 | struct iwl3945_tx_info *txb; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 156 | int need_update; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 157 | int active; |
| 158 | }; |
| 159 | |
| 160 | #define IWL_NUM_SCAN_RATES (2) |
| 161 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 162 | struct iwl3945_channel_tgd_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 163 | u8 type; |
| 164 | s8 max_power; |
| 165 | }; |
| 166 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 167 | struct iwl3945_channel_tgh_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 168 | s64 last_radar_time; |
| 169 | }; |
| 170 | |
| 171 | /* current Tx power values to use, one for each rate for each channel. |
| 172 | * requested power is limited by: |
| 173 | * -- regulatory EEPROM limits for this channel |
| 174 | * -- hardware capabilities (clip-powers) |
| 175 | * -- spectrum management |
| 176 | * -- user preference (e.g. iwconfig) |
| 177 | * when requested power is set, base power index must also be set. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 178 | struct iwl3945_channel_power_info { |
| 179 | struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 180 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| 181 | s8 base_power_index; /* gain index for power at factory temp. */ |
| 182 | s8 requested_power; /* power (dBm) requested for this chnl/rate */ |
| 183 | }; |
| 184 | |
| 185 | /* current scan Tx power values to use, one for each scan rate for each |
| 186 | * channel. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 187 | struct iwl3945_scan_power_info { |
| 188 | struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 189 | s8 power_table_index; /* actual (compenst'd) index into gain table */ |
| 190 | s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */ |
| 191 | }; |
| 192 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 193 | /* |
| 194 | * One for each channel, holds all channel setup data |
| 195 | * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant |
| 196 | * with one another! |
| 197 | */ |
| 198 | #define IWL4965_MAX_RATE (33) |
| 199 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 200 | struct iwl3945_channel_info { |
| 201 | struct iwl3945_channel_tgd_info tgd; |
| 202 | struct iwl3945_channel_tgh_info tgh; |
| 203 | struct iwl3945_eeprom_channel eeprom; /* EEPROM regulatory limit */ |
| 204 | struct iwl3945_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 205 | * FAT channel */ |
| 206 | |
| 207 | u8 channel; /* channel number */ |
| 208 | u8 flags; /* flags copied from EEPROM */ |
| 209 | s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */ |
| 210 | s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */ |
| 211 | s8 min_power; /* always 0 */ |
| 212 | s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */ |
| 213 | |
| 214 | u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */ |
| 215 | u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */ |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 216 | enum ieee80211_band band; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 217 | |
| 218 | /* Radio/DSP gain settings for each "normal" data Tx rate. |
| 219 | * These include, in addition to RF and DSP gain, a few fields for |
| 220 | * remembering/modifying gain settings (indexes). */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 221 | struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 222 | |
| 223 | /* Radio/DSP gain settings for each scan rate, for directed scans. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 224 | struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 225 | }; |
| 226 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 227 | struct iwl3945_clip_group { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 228 | /* maximum power level to prevent clipping for each rate, derived by |
| 229 | * us from this band's saturation power in EEPROM */ |
| 230 | const s8 clip_powers[IWL_MAX_RATES]; |
| 231 | }; |
| 232 | |
| 233 | #include "iwl-3945-rs.h" |
| 234 | |
| 235 | #define IWL_TX_FIFO_AC0 0 |
| 236 | #define IWL_TX_FIFO_AC1 1 |
| 237 | #define IWL_TX_FIFO_AC2 2 |
| 238 | #define IWL_TX_FIFO_AC3 3 |
| 239 | #define IWL_TX_FIFO_HCCA_1 5 |
| 240 | #define IWL_TX_FIFO_HCCA_2 6 |
| 241 | #define IWL_TX_FIFO_NONE 7 |
| 242 | |
| 243 | /* Minimum number of queues. MAX_NUM is defined in hw specific files */ |
| 244 | #define IWL_MIN_NUM_QUEUES 4 |
| 245 | |
| 246 | /* Power management (not Tx power) structures */ |
| 247 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 248 | struct iwl3945_power_vec_entry { |
| 249 | struct iwl3945_powertable_cmd cmd; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 250 | u8 no_dtim; |
| 251 | }; |
| 252 | #define IWL_POWER_RANGE_0 (0) |
| 253 | #define IWL_POWER_RANGE_1 (1) |
| 254 | |
| 255 | #define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */ |
| 256 | #define IWL_POWER_INDEX_3 0x03 |
| 257 | #define IWL_POWER_INDEX_5 0x05 |
| 258 | #define IWL_POWER_AC 0x06 |
| 259 | #define IWL_POWER_BATTERY 0x07 |
| 260 | #define IWL_POWER_LIMIT 0x07 |
| 261 | #define IWL_POWER_MASK 0x0F |
| 262 | #define IWL_POWER_ENABLED 0x10 |
| 263 | #define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK) |
| 264 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 265 | struct iwl3945_power_mgr { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 266 | spinlock_t lock; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 267 | struct iwl3945_power_vec_entry pwr_range_0[IWL_POWER_AC]; |
| 268 | struct iwl3945_power_vec_entry pwr_range_1[IWL_POWER_AC]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 269 | u8 active_index; |
| 270 | u32 dtim_val; |
| 271 | }; |
| 272 | |
| 273 | #define IEEE80211_DATA_LEN 2304 |
| 274 | #define IEEE80211_4ADDR_LEN 30 |
| 275 | #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN) |
| 276 | #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) |
| 277 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 278 | struct iwl3945_frame { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 279 | union { |
| 280 | struct ieee80211_hdr frame; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 281 | struct iwl3945_tx_beacon_cmd beacon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 282 | u8 raw[IEEE80211_FRAME_LEN]; |
| 283 | u8 cmd[360]; |
| 284 | } u; |
| 285 | struct list_head list; |
| 286 | }; |
| 287 | |
| 288 | #define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf) |
| 289 | #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8) |
Johannes Berg | a0b484f | 2008-04-01 17:51:47 +0200 | [diff] [blame] | 290 | #define SEQ_TO_INDEX(x) ((u8)(x & 0xff)) |
| 291 | #define INDEX_TO_SEQ(x) ((u8)(x & 0xff)) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 292 | #define SEQ_HUGE_FRAME (0x4000) |
| 293 | #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000) |
| 294 | #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) |
| 295 | #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) |
| 296 | #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4) |
| 297 | |
| 298 | enum { |
| 299 | /* CMD_SIZE_NORMAL = 0, */ |
| 300 | CMD_SIZE_HUGE = (1 << 0), |
| 301 | /* CMD_SYNC = 0, */ |
| 302 | CMD_ASYNC = (1 << 1), |
| 303 | /* CMD_NO_SKB = 0, */ |
| 304 | CMD_WANT_SKB = (1 << 2), |
| 305 | }; |
| 306 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 307 | struct iwl3945_cmd; |
| 308 | struct iwl3945_priv; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 309 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 310 | struct iwl3945_cmd_meta { |
| 311 | struct iwl3945_cmd_meta *source; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 312 | union { |
| 313 | struct sk_buff *skb; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 314 | int (*callback)(struct iwl3945_priv *priv, |
| 315 | struct iwl3945_cmd *cmd, struct sk_buff *skb); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 316 | } __attribute__ ((packed)) u; |
| 317 | |
| 318 | /* The CMD_SIZE_HUGE flag bit indicates that the command |
| 319 | * structure is stored at the end of the shared queue memory. */ |
| 320 | u32 flags; |
| 321 | |
| 322 | } __attribute__ ((packed)); |
| 323 | |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 324 | /** |
| 325 | * struct iwl3945_cmd |
| 326 | * |
| 327 | * For allocation of the command and tx queues, this establishes the overall |
| 328 | * size of the largest command we send to uCode, except for a scan command |
| 329 | * (which is relatively huge; space is allocated separately). |
| 330 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 331 | struct iwl3945_cmd { |
| 332 | struct iwl3945_cmd_meta meta; |
| 333 | struct iwl3945_cmd_header hdr; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 334 | union { |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 335 | struct iwl3945_addsta_cmd addsta; |
| 336 | struct iwl3945_led_cmd led; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 337 | u32 flags; |
| 338 | u8 val8; |
| 339 | u16 val16; |
| 340 | u32 val32; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 341 | struct iwl3945_bt_cmd bt; |
| 342 | struct iwl3945_rxon_time_cmd rxon_time; |
| 343 | struct iwl3945_powertable_cmd powertable; |
| 344 | struct iwl3945_qosparam_cmd qosparam; |
| 345 | struct iwl3945_tx_cmd tx; |
| 346 | struct iwl3945_tx_beacon_cmd tx_beacon; |
| 347 | struct iwl3945_rxon_assoc_cmd rxon_assoc; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 348 | u8 *indirect; |
| 349 | u8 payload[360]; |
| 350 | } __attribute__ ((packed)) cmd; |
| 351 | } __attribute__ ((packed)); |
| 352 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 353 | struct iwl3945_host_cmd { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 354 | u8 id; |
| 355 | u16 len; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 356 | struct iwl3945_cmd_meta meta; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 357 | const void *data; |
| 358 | }; |
| 359 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 360 | #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl3945_cmd) - \ |
| 361 | sizeof(struct iwl3945_cmd_meta)) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 362 | |
| 363 | /* |
| 364 | * RX related structures and functions |
| 365 | */ |
| 366 | #define RX_FREE_BUFFERS 64 |
| 367 | #define RX_LOW_WATERMARK 8 |
| 368 | |
| 369 | #define SUP_RATE_11A_MAX_NUM_CHANNELS 8 |
| 370 | #define SUP_RATE_11B_MAX_NUM_CHANNELS 4 |
| 371 | #define SUP_RATE_11G_MAX_NUM_CHANNELS 12 |
| 372 | |
| 373 | /** |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 374 | * struct iwl3945_rx_queue - Rx queue |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 375 | * @processed: Internal index to last handled Rx packet |
| 376 | * @read: Shared index to newest available Rx buffer |
| 377 | * @write: Shared index to oldest written Rx packet |
| 378 | * @free_count: Number of pre-allocated buffers in rx_free |
| 379 | * @rx_free: list of free SKBs for use |
| 380 | * @rx_used: List of Rx buffers with no SKB |
| 381 | * @need_update: flag to indicate we need to update read/write index |
| 382 | * |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 383 | * NOTE: rx_free and rx_used are used as a FIFO for iwl3945_rx_mem_buffers |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 384 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 385 | struct iwl3945_rx_queue { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 386 | __le32 *bd; |
| 387 | dma_addr_t dma_addr; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 388 | struct iwl3945_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; |
| 389 | struct iwl3945_rx_mem_buffer *queue[RX_QUEUE_SIZE]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 390 | u32 processed; |
| 391 | u32 read; |
| 392 | u32 write; |
| 393 | u32 free_count; |
| 394 | struct list_head rx_free; |
| 395 | struct list_head rx_used; |
| 396 | int need_update; |
| 397 | spinlock_t lock; |
| 398 | }; |
| 399 | |
| 400 | #define IWL_SUPPORTED_RATES_IE_LEN 8 |
| 401 | |
| 402 | #define SCAN_INTERVAL 100 |
| 403 | |
| 404 | #define MAX_A_CHANNELS 252 |
| 405 | #define MIN_A_CHANNELS 7 |
| 406 | |
| 407 | #define MAX_B_CHANNELS 14 |
| 408 | #define MIN_B_CHANNELS 1 |
| 409 | |
| 410 | #define STATUS_HCMD_ACTIVE 0 /* host command in progress */ |
Tomas Winkler | e547297 | 2008-03-28 16:21:12 -0700 | [diff] [blame] | 411 | #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */ |
| 412 | #define STATUS_INT_ENABLED 2 |
| 413 | #define STATUS_RF_KILL_HW 3 |
| 414 | #define STATUS_RF_KILL_SW 4 |
| 415 | #define STATUS_INIT 5 |
| 416 | #define STATUS_ALIVE 6 |
| 417 | #define STATUS_READY 7 |
| 418 | #define STATUS_TEMPERATURE 8 |
| 419 | #define STATUS_GEO_CONFIGURED 9 |
| 420 | #define STATUS_EXIT_PENDING 10 |
| 421 | #define STATUS_IN_SUSPEND 11 |
| 422 | #define STATUS_STATISTICS 12 |
| 423 | #define STATUS_SCANNING 13 |
| 424 | #define STATUS_SCAN_ABORTING 14 |
| 425 | #define STATUS_SCAN_HW 15 |
| 426 | #define STATUS_POWER_PMI 16 |
| 427 | #define STATUS_FW_ERROR 17 |
| 428 | #define STATUS_CONF_PENDING 18 |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 429 | |
| 430 | #define MAX_TID_COUNT 9 |
| 431 | |
| 432 | #define IWL_INVALID_RATE 0xFF |
| 433 | #define IWL_INVALID_VALUE -1 |
| 434 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 435 | struct iwl3945_tid_data { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 436 | u16 seq_number; |
| 437 | }; |
| 438 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 439 | struct iwl3945_hw_key { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 440 | enum ieee80211_key_alg alg; |
| 441 | int keylen; |
| 442 | u8 key[32]; |
| 443 | }; |
| 444 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 445 | union iwl3945_ht_rate_supp { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 446 | u16 rates; |
| 447 | struct { |
| 448 | u8 siso_rate; |
| 449 | u8 mimo_rate; |
| 450 | }; |
| 451 | }; |
| 452 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 453 | union iwl3945_qos_capabity { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 454 | struct { |
| 455 | u8 edca_count:4; /* bit 0-3 */ |
| 456 | u8 q_ack:1; /* bit 4 */ |
| 457 | u8 queue_request:1; /* bit 5 */ |
| 458 | u8 txop_request:1; /* bit 6 */ |
| 459 | u8 reserved:1; /* bit 7 */ |
| 460 | } q_AP; |
| 461 | struct { |
| 462 | u8 acvo_APSD:1; /* bit 0 */ |
| 463 | u8 acvi_APSD:1; /* bit 1 */ |
| 464 | u8 ac_bk_APSD:1; /* bit 2 */ |
| 465 | u8 ac_be_APSD:1; /* bit 3 */ |
| 466 | u8 q_ack:1; /* bit 4 */ |
| 467 | u8 max_len:2; /* bit 5-6 */ |
| 468 | u8 more_data_ack:1; /* bit 7 */ |
| 469 | } q_STA; |
| 470 | u8 val; |
| 471 | }; |
| 472 | |
| 473 | /* QoS structures */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 474 | struct iwl3945_qos_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 475 | int qos_enable; |
| 476 | int qos_active; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 477 | union iwl3945_qos_capabity qos_cap; |
| 478 | struct iwl3945_qosparam_cmd def_qos_parm; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 479 | }; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 480 | |
| 481 | #define STA_PS_STATUS_WAKE 0 |
| 482 | #define STA_PS_STATUS_SLEEP 1 |
| 483 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 484 | struct iwl3945_station_entry { |
| 485 | struct iwl3945_addsta_cmd sta; |
| 486 | struct iwl3945_tid_data tid[MAX_TID_COUNT]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 487 | union { |
| 488 | struct { |
| 489 | u8 rate; |
| 490 | u8 flags; |
| 491 | } s; |
| 492 | u16 rate_n_flags; |
| 493 | } current_rate; |
| 494 | u8 used; |
| 495 | u8 ps_status; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 496 | struct iwl3945_hw_key keyinfo; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 497 | }; |
| 498 | |
| 499 | /* one for each uCode image (inst/data, boot/init/runtime) */ |
| 500 | struct fw_desc { |
| 501 | void *v_addr; /* access by driver */ |
| 502 | dma_addr_t p_addr; /* access by card's busmaster DMA */ |
| 503 | u32 len; /* bytes */ |
| 504 | }; |
| 505 | |
| 506 | /* uCode file layout */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 507 | struct iwl3945_ucode { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 508 | __le32 ver; /* major/minor/subminor */ |
| 509 | __le32 inst_size; /* bytes of runtime instructions */ |
| 510 | __le32 data_size; /* bytes of runtime data */ |
| 511 | __le32 init_size; /* bytes of initialization instructions */ |
| 512 | __le32 init_data_size; /* bytes of initialization data */ |
| 513 | __le32 boot_size; /* bytes of bootstrap instructions */ |
| 514 | u8 data[0]; /* data in same order as "size" elements */ |
| 515 | }; |
| 516 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 517 | struct iwl3945_ibss_seq { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 518 | u8 mac[ETH_ALEN]; |
| 519 | u16 seq_num; |
| 520 | u16 frag_num; |
| 521 | unsigned long packet_time; |
| 522 | struct list_head list; |
| 523 | }; |
| 524 | |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 525 | /** |
Zhu Yi | 12342c4 | 2007-12-20 11:27:32 +0800 | [diff] [blame] | 526 | * struct iwl3945_driver_hw_info |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 527 | * @max_txq_num: Max # Tx queues supported |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 528 | * @tx_cmd_len: Size of Tx command (but not including frame itself) |
Tomas Winkler | 3e82a82 | 2008-02-13 11:32:31 -0800 | [diff] [blame] | 529 | * @tx_ant_num: Number of TX antennas |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 530 | * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) |
Ron Rindjunsky | 9ee1ba4 | 2007-11-26 16:14:42 +0200 | [diff] [blame] | 531 | * @rx_buf_size: |
| 532 | * @max_pkt_size: |
Ben Cahill | bc47279 | 2007-11-29 11:09:49 +0800 | [diff] [blame] | 533 | * @max_rxq_log: Log-base-2 of max_rxq_size |
| 534 | * @max_stations: |
| 535 | * @bcast_sta_id: |
| 536 | * @shared_virt: Pointer to driver/uCode shared Tx Byte Counts and Rx status |
| 537 | * @shared_phys: Physical Pointer to Tx Byte Counts and Rx status |
| 538 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 539 | struct iwl3945_driver_hw_info { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 540 | u16 max_txq_num; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 541 | u16 tx_cmd_len; |
Tomas Winkler | 3e82a82 | 2008-02-13 11:32:31 -0800 | [diff] [blame] | 542 | u16 tx_ant_num; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 543 | u16 max_rxq_size; |
Ron Rindjunsky | 9ee1ba4 | 2007-11-26 16:14:42 +0200 | [diff] [blame] | 544 | u32 rx_buf_size; |
| 545 | u32 max_pkt_size; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 546 | u16 max_rxq_log; |
| 547 | u8 max_stations; |
| 548 | u8 bcast_sta_id; |
| 549 | void *shared_virt; |
| 550 | dma_addr_t shared_phys; |
| 551 | }; |
| 552 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 553 | #define IWL_RX_HDR(x) ((struct iwl3945_rx_frame_hdr *)(\ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 554 | x->u.rx_frame.stats.payload + \ |
| 555 | x->u.rx_frame.stats.phy_count)) |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 556 | #define IWL_RX_END(x) ((struct iwl3945_rx_frame_end *)(\ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 557 | IWL_RX_HDR(x)->payload + \ |
| 558 | le16_to_cpu(IWL_RX_HDR(x)->len))) |
| 559 | #define IWL_RX_STATS(x) (&x->u.rx_frame.stats) |
| 560 | #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload) |
| 561 | |
| 562 | |
| 563 | /****************************************************************************** |
| 564 | * |
| 565 | * Functions implemented in iwl-base.c which are forward declared here |
| 566 | * for use by iwl-*.c |
| 567 | * |
| 568 | *****************************************************************************/ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 569 | struct iwl3945_addsta_cmd; |
| 570 | extern int iwl3945_send_add_station(struct iwl3945_priv *priv, |
| 571 | struct iwl3945_addsta_cmd *sta, u8 flags); |
| 572 | extern u8 iwl3945_add_station(struct iwl3945_priv *priv, const u8 *bssid, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 573 | int is_ap, u8 flags); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 574 | extern int iwl3945_power_init_handle(struct iwl3945_priv *priv); |
| 575 | extern int iwl3945_eeprom_init(struct iwl3945_priv *priv); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 576 | extern int iwl3945_rx_queue_alloc(struct iwl3945_priv *priv); |
| 577 | extern void iwl3945_rx_queue_reset(struct iwl3945_priv *priv, |
| 578 | struct iwl3945_rx_queue *rxq); |
| 579 | extern int iwl3945_calc_db_from_ratio(int sig_ratio); |
| 580 | extern int iwl3945_calc_sig_qual(int rssi_dbm, int noise_dbm); |
| 581 | extern int iwl3945_tx_queue_init(struct iwl3945_priv *priv, |
| 582 | struct iwl3945_tx_queue *txq, int count, u32 id); |
| 583 | extern void iwl3945_rx_replenish(void *data); |
| 584 | extern void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq); |
| 585 | extern int iwl3945_send_cmd_pdu(struct iwl3945_priv *priv, u8 id, u16 len, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 586 | const void *data); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 587 | extern int __must_check iwl3945_send_cmd(struct iwl3945_priv *priv, |
| 588 | struct iwl3945_host_cmd *cmd); |
| 589 | extern unsigned int iwl3945_fill_beacon_frame(struct iwl3945_priv *priv, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 590 | struct ieee80211_hdr *hdr, |
| 591 | const u8 *dest, int left); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 592 | extern int iwl3945_rx_queue_update_write_ptr(struct iwl3945_priv *priv, |
| 593 | struct iwl3945_rx_queue *q); |
| 594 | extern int iwl3945_send_statistics_request(struct iwl3945_priv *priv); |
| 595 | extern void iwl3945_set_decrypted_flag(struct iwl3945_priv *priv, struct sk_buff *skb, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 596 | u32 decrypt_res, |
| 597 | struct ieee80211_rx_status *stats); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 598 | extern const u8 iwl3945_broadcast_addr[ETH_ALEN]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 599 | |
| 600 | /* |
| 601 | * Currently used by iwl-3945-rs... look at restructuring so that it doesn't |
| 602 | * call this... todo... fix that. |
| 603 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 604 | extern u8 iwl3945_sync_station(struct iwl3945_priv *priv, int sta_id, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 605 | u16 tx_rate, u8 flags); |
| 606 | |
| 607 | /****************************************************************************** |
| 608 | * |
| 609 | * Functions implemented in iwl-[34]*.c which are forward declared here |
| 610 | * for use by iwl-base.c |
| 611 | * |
| 612 | * NOTE: The implementation of these functions are hardware specific |
| 613 | * which is why they are in the hardware specific files (vs. iwl-base.c) |
| 614 | * |
| 615 | * Naming convention -- |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 616 | * iwl3945_ <-- Its part of iwlwifi (should be changed to iwl3945_) |
| 617 | * iwl3945_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 618 | * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX) |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 619 | * iwl3945_bg_ <-- Called from work queue context |
| 620 | * iwl3945_mac_ <-- mac80211 callback |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 621 | * |
| 622 | ****************************************************************************/ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 623 | extern void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv); |
| 624 | extern void iwl3945_hw_setup_deferred_work(struct iwl3945_priv *priv); |
| 625 | extern void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv); |
| 626 | extern int iwl3945_hw_rxq_stop(struct iwl3945_priv *priv); |
| 627 | extern int iwl3945_hw_set_hw_setting(struct iwl3945_priv *priv); |
| 628 | extern int iwl3945_hw_nic_init(struct iwl3945_priv *priv); |
| 629 | extern int iwl3945_hw_nic_stop_master(struct iwl3945_priv *priv); |
| 630 | extern void iwl3945_hw_txq_ctx_free(struct iwl3945_priv *priv); |
| 631 | extern void iwl3945_hw_txq_ctx_stop(struct iwl3945_priv *priv); |
| 632 | extern int iwl3945_hw_nic_reset(struct iwl3945_priv *priv); |
| 633 | extern int iwl3945_hw_txq_attach_buf_to_tfd(struct iwl3945_priv *priv, void *tfd, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 634 | dma_addr_t addr, u16 len); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 635 | extern int iwl3945_hw_txq_free_tfd(struct iwl3945_priv *priv, struct iwl3945_tx_queue *txq); |
| 636 | extern int iwl3945_hw_get_temperature(struct iwl3945_priv *priv); |
| 637 | extern int iwl3945_hw_tx_queue_init(struct iwl3945_priv *priv, |
| 638 | struct iwl3945_tx_queue *txq); |
| 639 | extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv, |
| 640 | struct iwl3945_frame *frame, u8 rate); |
| 641 | extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv); |
| 642 | extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv, |
| 643 | struct iwl3945_cmd *cmd, |
Johannes Berg | e039fa4 | 2008-05-15 12:55:29 +0200 | [diff] [blame] | 644 | struct ieee80211_tx_info *info, |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 645 | struct ieee80211_hdr *hdr, |
| 646 | int sta_id, int tx_id); |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 647 | extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv); |
| 648 | extern int iwl3945_hw_reg_set_txpower(struct iwl3945_priv *priv, s8 power); |
| 649 | extern void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, |
| 650 | struct iwl3945_rx_mem_buffer *rxb); |
| 651 | extern void iwl3945_disable_events(struct iwl3945_priv *priv); |
| 652 | extern int iwl4965_get_temperature(const struct iwl3945_priv *priv); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 653 | |
| 654 | /** |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 655 | * iwl3945_hw_find_station - Find station id for a given BSSID |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 656 | * @bssid: MAC address of station ID to find |
| 657 | * |
| 658 | * NOTE: This should not be hardware specific but the code has |
| 659 | * not yet been merged into a single common layer for managing the |
| 660 | * station tables. |
| 661 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 662 | extern u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *bssid); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 663 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 664 | extern int iwl3945_hw_channel_switch(struct iwl3945_priv *priv, u16 channel); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 665 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 666 | /* |
| 667 | * Forward declare iwl-3945.c functions for iwl-base.c |
| 668 | */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 669 | extern __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv); |
| 670 | extern int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv); |
| 671 | extern void iwl3945_reg_txpower_periodic(struct iwl3945_priv *priv); |
| 672 | extern int iwl3945_txpower_set_from_eeprom(struct iwl3945_priv *priv); |
| 673 | extern u8 iwl3945_sync_sta(struct iwl3945_priv *priv, int sta_id, |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 674 | u16 tx_rate, u8 flags); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 675 | |
| 676 | |
Christoph Hellwig | c8b0e6e | 2007-10-25 17:15:51 +0800 | [diff] [blame] | 677 | #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 678 | |
| 679 | enum { |
| 680 | MEASUREMENT_READY = (1 << 0), |
| 681 | MEASUREMENT_ACTIVE = (1 << 1), |
| 682 | }; |
| 683 | |
| 684 | #endif |
| 685 | |
Adel Gadllah | 80fcc9e | 2008-07-01 17:49:50 +0200 | [diff] [blame] | 686 | #ifdef CONFIG_IWL3945_RFKILL |
Abhijeet Kolekar | ebef200 | 2008-06-30 17:23:18 +0800 | [diff] [blame] | 687 | struct iwl3945_priv; |
| 688 | |
Abhijeet Kolekar | ebef200 | 2008-06-30 17:23:18 +0800 | [diff] [blame] | 689 | void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv); |
| 690 | void iwl3945_rfkill_unregister(struct iwl3945_priv *priv); |
| 691 | int iwl3945_rfkill_init(struct iwl3945_priv *priv); |
| 692 | #else |
| 693 | static inline void iwl3945_rfkill_set_hw_state(struct iwl3945_priv *priv) {} |
| 694 | static inline void iwl3945_rfkill_unregister(struct iwl3945_priv *priv) {} |
| 695 | static inline int iwl3945_rfkill_init(struct iwl3945_priv *priv) { return 0; } |
| 696 | #endif |
| 697 | |
Ron Rindjunsky | dfe7d45 | 2008-04-15 16:01:45 -0700 | [diff] [blame] | 698 | #define IWL_MAX_NUM_QUEUES IWL39_MAX_NUM_QUEUES |
| 699 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 700 | struct iwl3945_priv { |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 701 | |
| 702 | /* ieee device used by generic ieee processing code */ |
| 703 | struct ieee80211_hw *hw; |
| 704 | struct ieee80211_channel *ieee_channels; |
| 705 | struct ieee80211_rate *ieee_rates; |
Tomas Winkler | 82b9a12 | 2008-03-04 18:09:30 -0800 | [diff] [blame] | 706 | struct iwl_3945_cfg *cfg; /* device configuration */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 707 | |
| 708 | /* temporary frame storage list */ |
| 709 | struct list_head free_frames; |
| 710 | int frames_count; |
| 711 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 712 | enum ieee80211_band band; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 713 | int alloc_rxb_skb; |
| 714 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 715 | void (*rx_handlers[REPLY_MAX])(struct iwl3945_priv *priv, |
| 716 | struct iwl3945_rx_mem_buffer *rxb); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 717 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 718 | struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 719 | |
Christoph Hellwig | c8b0e6e | 2007-10-25 17:15:51 +0800 | [diff] [blame] | 720 | #ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 721 | /* spectrum measurement report caching */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 722 | struct iwl3945_spectrum_notification measure_report; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 723 | u8 measurement_status; |
| 724 | #endif |
| 725 | /* ucode beacon time */ |
| 726 | u32 ucode_beacon_time; |
| 727 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 728 | /* we allocate array of iwl3945_channel_info for NIC's valid channels. |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 729 | * Access via channel # using indirect index array */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 730 | struct iwl3945_channel_info *channel_info; /* channel info array */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 731 | u8 channel_count; /* # of channels */ |
| 732 | |
| 733 | /* each calibration channel group in the EEPROM has a derived |
| 734 | * clip setting for each rate. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 735 | const struct iwl3945_clip_group clip_groups[5]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 736 | |
| 737 | /* thermal calibration */ |
| 738 | s32 temperature; /* degrees Kelvin */ |
| 739 | s32 last_temperature; |
| 740 | |
| 741 | /* Scan related variables */ |
| 742 | unsigned long last_scan_jiffies; |
Mohamed Abbas | 7878a5a | 2007-11-29 11:10:13 +0800 | [diff] [blame] | 743 | unsigned long next_scan_jiffies; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 744 | unsigned long scan_start; |
| 745 | unsigned long scan_pass_start; |
| 746 | unsigned long scan_start_tsf; |
| 747 | int scan_bands; |
| 748 | int one_direct_scan; |
| 749 | u8 direct_ssid_len; |
| 750 | u8 direct_ssid[IW_ESSID_MAX_SIZE]; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 751 | struct iwl3945_scan_cmd *scan; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 752 | |
| 753 | /* spinlock */ |
| 754 | spinlock_t lock; /* protect general shared data */ |
| 755 | spinlock_t hcmd_lock; /* protect hcmd */ |
| 756 | struct mutex mutex; |
| 757 | |
| 758 | /* basic pci-network driver stuff */ |
| 759 | struct pci_dev *pci_dev; |
| 760 | |
| 761 | /* pci hardware address support */ |
| 762 | void __iomem *hw_base; |
| 763 | |
| 764 | /* uCode images, save to reload in case of failure */ |
| 765 | struct fw_desc ucode_code; /* runtime inst */ |
| 766 | struct fw_desc ucode_data; /* runtime data original */ |
| 767 | struct fw_desc ucode_data_backup; /* runtime data save/restore */ |
| 768 | struct fw_desc ucode_init; /* initialization inst */ |
| 769 | struct fw_desc ucode_init_data; /* initialization data */ |
| 770 | struct fw_desc ucode_boot; /* bootstrap inst */ |
| 771 | |
| 772 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 773 | struct iwl3945_rxon_time_cmd rxon_timing; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 774 | |
| 775 | /* We declare this const so it can only be |
| 776 | * changed via explicit cast within the |
| 777 | * routines that actually update the physical |
| 778 | * hardware */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 779 | const struct iwl3945_rxon_cmd active_rxon; |
| 780 | struct iwl3945_rxon_cmd staging_rxon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 781 | |
| 782 | int error_recovering; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 783 | struct iwl3945_rxon_cmd recovery_rxon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 784 | |
| 785 | /* 1st responses from initialize and runtime uCode images. |
| 786 | * 4965's initialize alive response contains some calibration data. */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 787 | struct iwl3945_init_alive_resp card_alive_init; |
| 788 | struct iwl3945_alive_resp card_alive; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 789 | |
Adel Gadllah | 80fcc9e | 2008-07-01 17:49:50 +0200 | [diff] [blame] | 790 | #ifdef CONFIG_IWL3945_RFKILL |
| 791 | struct rfkill *rfkill; |
Abhijeet Kolekar | ebef200 | 2008-06-30 17:23:18 +0800 | [diff] [blame] | 792 | #endif |
| 793 | |
John W. Linville | 93af261 | 2008-04-02 11:35:32 -0400 | [diff] [blame] | 794 | #ifdef CONFIG_IWL3945_LEDS |
Mohamed Abbas | ab53d8a | 2008-03-25 16:33:36 -0700 | [diff] [blame] | 795 | struct iwl3945_led led[IWL_LED_TRG_MAX]; |
| 796 | unsigned long last_blink_time; |
| 797 | u8 last_blink_rate; |
| 798 | u8 allow_blinking; |
| 799 | unsigned int rxtxpackets; |
Abhijeet Kolekar | 9a9ad0c | 2008-07-11 11:53:41 +0800 | [diff] [blame] | 800 | u64 led_tpt; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 801 | #endif |
| 802 | |
Mohamed Abbas | ab53d8a | 2008-03-25 16:33:36 -0700 | [diff] [blame] | 803 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 804 | u16 active_rate; |
| 805 | u16 active_rate_basic; |
| 806 | |
| 807 | u8 call_post_assoc_from_beacon; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 808 | /* Rate scaling data */ |
| 809 | s8 data_retry_limit; |
| 810 | u8 retry_rate; |
| 811 | |
| 812 | wait_queue_head_t wait_command_queue; |
| 813 | |
| 814 | int activity_timer_active; |
| 815 | |
| 816 | /* Rx and Tx DMA processing queues */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 817 | struct iwl3945_rx_queue rxq; |
| 818 | struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 819 | |
| 820 | unsigned long status; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 821 | |
| 822 | int last_rx_rssi; /* From Rx packet statisitics */ |
| 823 | int last_rx_noise; /* From beacon statistics */ |
| 824 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 825 | struct iwl3945_power_mgr power_data; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 826 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 827 | struct iwl3945_notif_statistics statistics; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 828 | unsigned long last_statistics_time; |
| 829 | |
| 830 | /* context information */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 831 | u16 rates_mask; |
| 832 | |
| 833 | u32 power_mode; |
| 834 | u32 antenna; |
| 835 | u8 bssid[ETH_ALEN]; |
| 836 | u16 rts_threshold; |
| 837 | u8 mac_addr[ETH_ALEN]; |
| 838 | |
| 839 | /*station table variables */ |
| 840 | spinlock_t sta_lock; |
| 841 | int num_stations; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 842 | struct iwl3945_station_entry stations[IWL_STATION_COUNT]; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 843 | |
| 844 | /* Indication if ieee80211_ops->open has been called */ |
Tomas Winkler | 69dc5d9 | 2008-03-25 16:33:41 -0700 | [diff] [blame] | 845 | u8 is_open; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 846 | |
| 847 | u8 mac80211_registered; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 848 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 849 | /* Rx'd packet timing information */ |
| 850 | u32 last_beacon_time; |
| 851 | u64 last_tsf; |
| 852 | |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 853 | /* eeprom */ |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 854 | struct iwl3945_eeprom eeprom; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 855 | |
Johannes Berg | 05c914f | 2008-09-11 00:01:58 +0200 | [diff] [blame] | 856 | enum nl80211_iftype iw_mode; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 857 | |
| 858 | struct sk_buff *ibss_beacon; |
| 859 | |
| 860 | /* Last Rx'd beacon timestamp */ |
| 861 | u32 timestamp0; |
| 862 | u32 timestamp1; |
| 863 | u16 beacon_int; |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 864 | struct iwl3945_driver_hw_info hw_setting; |
Johannes Berg | 32bfd35 | 2007-12-19 01:31:26 +0100 | [diff] [blame] | 865 | struct ieee80211_vif *vif; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 866 | |
| 867 | /* Current association information needed to configure the |
| 868 | * hardware */ |
| 869 | u16 assoc_id; |
| 870 | u16 assoc_capability; |
| 871 | u8 ps_mode; |
| 872 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 873 | struct iwl3945_qos_info qos_data; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 874 | |
| 875 | struct workqueue_struct *workqueue; |
| 876 | |
| 877 | struct work_struct up; |
| 878 | struct work_struct restart; |
| 879 | struct work_struct calibrated_work; |
| 880 | struct work_struct scan_completed; |
| 881 | struct work_struct rx_replenish; |
| 882 | struct work_struct rf_kill; |
| 883 | struct work_struct abort_scan; |
| 884 | struct work_struct update_link_led; |
| 885 | struct work_struct auth_work; |
| 886 | struct work_struct report_work; |
| 887 | struct work_struct request_scan; |
| 888 | struct work_struct beacon_update; |
Abhijeet Kolekar | 5ec0397 | 2008-05-05 10:22:48 +0800 | [diff] [blame] | 889 | struct work_struct set_monitor; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 890 | |
| 891 | struct tasklet_struct irq_tasklet; |
| 892 | |
| 893 | struct delayed_work init_alive_start; |
| 894 | struct delayed_work alive_start; |
| 895 | struct delayed_work activity_timer; |
| 896 | struct delayed_work thermal_periodic; |
| 897 | struct delayed_work gather_stats; |
| 898 | struct delayed_work scan_check; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 899 | |
| 900 | #define IWL_DEFAULT_TX_POWER 0x0F |
| 901 | s8 user_txpower_limit; |
| 902 | s8 max_channel_txpower_limit; |
| 903 | |
| 904 | #ifdef CONFIG_PM |
| 905 | u32 pm_state[16]; |
| 906 | #endif |
| 907 | |
Christoph Hellwig | c8b0e6e | 2007-10-25 17:15:51 +0800 | [diff] [blame] | 908 | #ifdef CONFIG_IWL3945_DEBUG |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 909 | /* debugging info */ |
| 910 | u32 framecnt_to_us; |
| 911 | atomic_t restrict_refcnt; |
| 912 | #endif |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 913 | }; /*iwl3945_priv */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 914 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 915 | static inline int iwl3945_is_associated(struct iwl3945_priv *priv) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 916 | { |
| 917 | return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0; |
| 918 | } |
| 919 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 920 | static inline int is_channel_valid(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 921 | { |
| 922 | if (ch_info == NULL) |
| 923 | return 0; |
| 924 | return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0; |
| 925 | } |
| 926 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 927 | static inline int is_channel_radar(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 928 | { |
| 929 | return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0; |
| 930 | } |
| 931 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 932 | static inline u8 is_channel_a_band(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 933 | { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 934 | return ch_info->band == IEEE80211_BAND_5GHZ; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 935 | } |
| 936 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 937 | static inline u8 is_channel_bg_band(const struct iwl3945_channel_info *ch_info) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 938 | { |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 939 | return ch_info->band == IEEE80211_BAND_2GHZ; |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 940 | } |
| 941 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 942 | static inline int is_channel_passive(const struct iwl3945_channel_info *ch) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 943 | { |
| 944 | return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0; |
| 945 | } |
| 946 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 947 | static inline int is_channel_ibss(const struct iwl3945_channel_info *ch) |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 948 | { |
| 949 | return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; |
| 950 | } |
| 951 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 952 | extern const struct iwl3945_channel_info *iwl3945_get_channel_info( |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 953 | const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel); |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 954 | |
Johannes Berg | e6a9854 | 2008-10-21 12:40:02 +0200 | [diff] [blame] | 955 | extern int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate); |
| 956 | |
Christoph Hellwig | bb8c093 | 2008-01-27 16:41:47 -0800 | [diff] [blame] | 957 | /* Requires full declaration of iwl3945_priv before including */ |
Christoph Hellwig | 5d08cd1 | 2007-10-25 17:15:50 +0800 | [diff] [blame] | 958 | #include "iwl-3945-io.h" |
| 959 | |
Zhu Yi | b481de9 | 2007-09-25 17:54:57 -0700 | [diff] [blame] | 960 | #endif |