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82b9a121 TW |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2008 Intel Corporation. All rights reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of version 2 of the GNU General Public License as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
22 | * USA | |
23 | * | |
24 | * The full GNU General Public License is included in this distribution | |
25 | * in the file called LICENSE.GPL. | |
26 | * | |
27 | * Contact Information: | |
28 | * Tomas Winkler <tomas.winkler@intel.com> | |
29 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
30 | * | |
31 | * BSD LICENSE | |
32 | * | |
33 | * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved. | |
34 | * All rights reserved. | |
35 | * | |
36 | * Redistribution and use in source and binary forms, with or without | |
37 | * modification, are permitted provided that the following conditions | |
38 | * are met: | |
39 | * | |
40 | * * Redistributions of source code must retain the above copyright | |
41 | * notice, this list of conditions and the following disclaimer. | |
42 | * * Redistributions in binary form must reproduce the above copyright | |
43 | * notice, this list of conditions and the following disclaimer in | |
44 | * the documentation and/or other materials provided with the | |
45 | * distribution. | |
46 | * * Neither the name Intel Corporation nor the names of its | |
47 | * contributors may be used to endorse or promote products derived | |
48 | * from this software without specific prior written permission. | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
51 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
52 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
53 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
54 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
56 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
57 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
58 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
59 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
60 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
61 | *****************************************************************************/ | |
62 | ||
63 | #ifndef __iwl_core_h__ | |
64 | #define __iwl_core_h__ | |
65 | ||
857485c0 TW |
66 | /************************ |
67 | * forward declarations * | |
68 | ************************/ | |
69 | struct iwl_host_cmd; | |
70 | struct iwl_cmd; | |
71 | ||
72 | ||
df48c323 TW |
73 | #define IWLWIFI_VERSION "1.2.26k" |
74 | #define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation" | |
75 | ||
82b9a121 TW |
76 | #define IWL_PCI_DEVICE(dev, subdev, cfg) \ |
77 | .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ | |
78 | .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ | |
79 | .driver_data = (kernel_ulong_t)&(cfg) | |
80 | ||
81 | #define IWL_SKU_G 0x1 | |
82 | #define IWL_SKU_A 0x2 | |
83 | #define IWL_SKU_N 0x8 | |
84 | ||
3c424c28 | 85 | struct iwl_hcmd_ops { |
7e8c519e | 86 | int (*rxon_assoc)(struct iwl_priv *priv); |
3c424c28 | 87 | }; |
857485c0 | 88 | struct iwl_hcmd_utils_ops { |
c1adf9fb | 89 | u16 (*get_hcmd_size)(u8 cmd_id, u16 len); |
133636de | 90 | u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data); |
f0832f13 EG |
91 | void (*gain_computation)(struct iwl_priv *priv, |
92 | u32 *average_noise, | |
93 | u16 min_average_noise_antennat_i, | |
94 | u32 min_average_noise); | |
95 | void (*chain_noise_reset)(struct iwl_priv *priv); | |
857485c0 TW |
96 | }; |
97 | ||
6bc913bd | 98 | struct iwl_lib_ops { |
5425e490 TW |
99 | /* set hw dependant perameters */ |
100 | int (*set_hw_params)(struct iwl_priv *priv); | |
399f4900 RR |
101 | /* ucode shared memory */ |
102 | int (*alloc_shared_mem)(struct iwl_priv *priv); | |
103 | void (*free_shared_mem)(struct iwl_priv *priv); | |
d67f5489 | 104 | int (*shared_mem_rx_idx)(struct iwl_priv *priv); |
30e553e3 | 105 | /* Handling TX */ |
e2a722eb | 106 | void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv, |
16466903 | 107 | struct iwl_tx_queue *txq, |
e2a722eb | 108 | u16 byte_cnt); |
972cf447 TW |
109 | void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv, |
110 | struct iwl_tx_queue *txq); | |
111 | void (*txq_set_sched)(struct iwl_priv *priv, u32 mask); | |
30e553e3 TW |
112 | /* aggregations */ |
113 | int (*txq_agg_enable)(struct iwl_priv *priv, int txq_id, int tx_fifo, | |
114 | int sta_id, int tid, u16 ssn_idx); | |
115 | int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx, | |
116 | u8 tx_fifo); | |
d4789efe EG |
117 | /* setup Rx handler */ |
118 | void (*rx_handler_setup)(struct iwl_priv *priv); | |
4e39317d EG |
119 | /* setup deferred work */ |
120 | void (*setup_deferred_work)(struct iwl_priv *priv); | |
121 | /* cancel deferred work */ | |
122 | void (*cancel_deferred_work)(struct iwl_priv *priv); | |
f3ccc08c EG |
123 | /* alive notification after init uCode load */ |
124 | void (*init_alive_start)(struct iwl_priv *priv); | |
57aab75a TW |
125 | /* alive notification */ |
126 | int (*alive_notify)(struct iwl_priv *priv); | |
127 | /* check validity of rtc data address */ | |
128 | int (*is_valid_rtc_data_addr)(u32 addr); | |
129 | /* 1st ucode load */ | |
130 | int (*load_ucode)(struct iwl_priv *priv); | |
91238714 | 131 | /* power management */ |
6f4083aa | 132 | struct { |
91238714 | 133 | int (*init)(struct iwl_priv *priv); |
7f066108 | 134 | int (*reset)(struct iwl_priv *priv); |
f118a91d | 135 | void (*stop)(struct iwl_priv *priv); |
694cc56d | 136 | void (*config)(struct iwl_priv *priv); |
6f4083aa TW |
137 | int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src); |
138 | } apm_ops; | |
5da4b55f MA |
139 | /* power */ |
140 | int (*set_power)(struct iwl_priv *priv, void *cmd); | |
630fe9b6 | 141 | int (*send_tx_power) (struct iwl_priv *priv); |
5da4b55f | 142 | void (*update_chain_flags)(struct iwl_priv *priv); |
5225640b | 143 | void (*temperature) (struct iwl_priv *priv); |
6bc913bd AK |
144 | /* eeprom operations (as defined in iwl-eeprom.h) */ |
145 | struct iwl_eeprom_ops eeprom_ops; | |
146 | }; | |
147 | ||
148 | struct iwl_ops { | |
149 | const struct iwl_lib_ops *lib; | |
3c424c28 | 150 | const struct iwl_hcmd_ops *hcmd; |
857485c0 | 151 | const struct iwl_hcmd_utils_ops *utils; |
6bc913bd AK |
152 | }; |
153 | ||
00acbc91 AK |
154 | struct iwl_mod_params { |
155 | int disable; /* def: 0 = enable radio */ | |
fcc76c6b | 156 | int sw_crypto; /* def: 0 = using hardware encryption */ |
00acbc91 AK |
157 | int debug; /* def: 0 = minimal debug log messages */ |
158 | int disable_hw_scan; /* def: 0 = use h/w scan */ | |
159 | int num_of_queues; /* def: HW dependent */ | |
160 | int enable_qos; /* def: 1 = use quality of service */ | |
49779293 | 161 | int disable_11n; /* def: 0 = disable 11n capabilities */ |
00acbc91 AK |
162 | int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */ |
163 | int antenna; /* def: 0 = both antennas (use diversity) */ | |
3a1081e8 | 164 | int restart_fw; /* def: 1 = restart firmware */ |
00acbc91 AK |
165 | }; |
166 | ||
82b9a121 TW |
167 | struct iwl_cfg { |
168 | const char *name; | |
169 | const char *fw_name; | |
170 | unsigned int sku; | |
073d3f5f | 171 | int eeprom_size; |
6bc913bd | 172 | const struct iwl_ops *ops; |
00acbc91 | 173 | const struct iwl_mod_params *mod_params; |
82b9a121 TW |
174 | }; |
175 | ||
1d0a082d AK |
176 | /*************************** |
177 | * L i b * | |
178 | ***************************/ | |
179 | ||
180 | struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg, | |
181 | struct ieee80211_ops *hw_ops); | |
b661c819 | 182 | void iwl_hw_detect(struct iwl_priv *priv); |
1d0a082d | 183 | |
37deb2a0 | 184 | void iwl_clear_stations_table(struct iwl_priv *priv); |
7c616cba | 185 | void iwl_free_calib_results(struct iwl_priv *priv); |
c7de35cd RR |
186 | void iwl_reset_qos(struct iwl_priv *priv); |
187 | void iwl_set_rxon_chain(struct iwl_priv *priv); | |
188 | int iwl_set_rxon_channel(struct iwl_priv *priv, | |
bf85ea4f AK |
189 | enum ieee80211_band band, |
190 | u16 channel); | |
47c5196e TW |
191 | void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info); |
192 | u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv, | |
193 | struct ieee80211_ht_info *sta_ht_inf); | |
1053d35f | 194 | int iwl_hw_nic_init(struct iwl_priv *priv); |
6ba87956 | 195 | int iwl_setup_mac(struct iwl_priv *priv); |
da154e30 | 196 | int iwl_set_hw_params(struct iwl_priv *priv); |
6ba87956 TW |
197 | int iwl_init_drv(struct iwl_priv *priv); |
198 | void iwl_uninit_drv(struct iwl_priv *priv); | |
1053d35f RR |
199 | /* "keep warm" functions */ |
200 | int iwl_kw_init(struct iwl_priv *priv); | |
201 | int iwl_kw_alloc(struct iwl_priv *priv); | |
202 | void iwl_kw_free(struct iwl_priv *priv); | |
bf85ea4f | 203 | |
a55360e4 TW |
204 | /***************************************************** |
205 | * RX | |
206 | ******************************************************/ | |
207 | void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq); | |
208 | int iwl_rx_queue_alloc(struct iwl_priv *priv); | |
209 | void iwl_rx_handle(struct iwl_priv *priv); | |
210 | int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, | |
211 | struct iwl_rx_queue *q); | |
212 | void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq); | |
213 | void iwl_rx_replenish(struct iwl_priv *priv); | |
1053d35f | 214 | int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq); |
0c70515f RR |
215 | int iwl_rx_agg_start(struct iwl_priv *priv, const u8 *addr, int tid, u16 ssn); |
216 | int iwl_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid); | |
a55360e4 TW |
217 | /* FIXME: remove when TX is moved to iwl core */ |
218 | int iwl_rx_queue_restock(struct iwl_priv *priv); | |
219 | int iwl_rx_queue_space(const struct iwl_rx_queue *q); | |
220 | void iwl_rx_allocate(struct iwl_priv *priv); | |
17b88929 TW |
221 | void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb); |
222 | int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index); | |
c1354754 TW |
223 | /* Handlers */ |
224 | void iwl_rx_missed_beacon_notif(struct iwl_priv *priv, | |
225 | struct iwl_rx_mem_buffer *rxb); | |
8f91aecb EG |
226 | void iwl_rx_statistics(struct iwl_priv *priv, |
227 | struct iwl_rx_mem_buffer *rxb); | |
a55360e4 | 228 | |
a332f8d6 TW |
229 | /* TX helpers */ |
230 | ||
1053d35f RR |
231 | /***************************************************** |
232 | * TX | |
233 | ******************************************************/ | |
234 | int iwl_txq_ctx_reset(struct iwl_priv *priv); | |
e039fa4a | 235 | int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb); |
1053d35f | 236 | /* FIXME: remove when free Tx is fully merged into iwlcore */ |
16466903 | 237 | int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq); |
1053d35f | 238 | void iwl_hw_txq_ctx_free(struct iwl_priv *priv); |
fd4abac5 TW |
239 | int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd, |
240 | dma_addr_t addr, u16 len); | |
241 | int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq); | |
30e553e3 TW |
242 | int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn); |
243 | int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid); | |
244 | int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id); | |
a332f8d6 | 245 | |
630fe9b6 TW |
246 | /***************************************************** |
247 | * TX power | |
248 | ****************************************************/ | |
249 | int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force); | |
250 | ||
14a08a7f EG |
251 | /***************************************************** |
252 | * RF -Kill - here and not in iwl-rfkill.h to be available when | |
253 | * RF-kill subsystem is not compiled. | |
254 | ****************************************************/ | |
255 | void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv); | |
256 | int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv); | |
257 | ||
e7d326ac TW |
258 | /******************************************************************************* |
259 | * Rate | |
260 | ******************************************************************************/ | |
261 | ||
262 | void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags, | |
263 | struct ieee80211_tx_info *info); | |
264 | int iwl_hwrate_to_plcp_idx(u32 rate_n_flags); | |
265 | ||
266 | static inline u8 iwl_hw_get_rate(__le32 rate_n_flags) | |
267 | { | |
268 | return le32_to_cpu(rate_n_flags) & 0xFF; | |
269 | } | |
270 | static inline u32 iwl_hw_get_rate_n_flags(__le32 rate_n_flags) | |
271 | { | |
272 | return le32_to_cpu(rate_n_flags) & 0x1FFFF; | |
273 | } | |
274 | static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags) | |
275 | { | |
276 | return cpu_to_le32(flags|(u32)rate); | |
277 | } | |
278 | ||
2a421b91 TW |
279 | /******************************************************************************* |
280 | * Scanning | |
281 | ******************************************************************************/ | |
f53696de | 282 | void iwl_init_scan_params(struct iwl_priv *priv); |
2a421b91 TW |
283 | int iwl_scan_cancel(struct iwl_priv *priv); |
284 | int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms); | |
285 | const char *iwl_escape_essid(const char *essid, u8 essid_len); | |
286 | int iwl_scan_initiate(struct iwl_priv *priv); | |
287 | void iwl_setup_rx_scan_handlers(struct iwl_priv *priv); | |
288 | void iwl_setup_scan_deferred_work(struct iwl_priv *priv); | |
289 | ||
857485c0 TW |
290 | /***************************************************** |
291 | * S e n d i n g H o s t C o m m a n d s * | |
292 | *****************************************************/ | |
293 | ||
294 | const char *get_cmd_string(u8 cmd); | |
e5472978 TW |
295 | int __must_check iwl_send_cmd_sync(struct iwl_priv *priv, |
296 | struct iwl_host_cmd *cmd); | |
857485c0 | 297 | int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); |
e5472978 TW |
298 | int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, |
299 | u16 len, const void *data); | |
857485c0 TW |
300 | int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len, |
301 | const void *data, | |
302 | int (*callback)(struct iwl_priv *priv, | |
303 | struct iwl_cmd *cmd, | |
304 | struct sk_buff *skb)); | |
fd4abac5 TW |
305 | |
306 | int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); | |
189a2b59 EK |
307 | |
308 | /***************************************************** | |
309 | * Error Handling Debugging | |
310 | ******************************************************/ | |
311 | void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx, | |
312 | u32 num_events, u32 mode); | |
ede0cba4 | 313 | void iwl_dump_nic_error_log(struct iwl_priv *priv); |
189a2b59 EK |
314 | void iwl_dump_nic_event_log(struct iwl_priv *priv); |
315 | ||
fee1247a TW |
316 | /*************** DRIVER STATUS FUNCTIONS *****/ |
317 | ||
318 | #define STATUS_HCMD_ACTIVE 0 /* host command in progress */ | |
319 | #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */ | |
320 | #define STATUS_INT_ENABLED 2 | |
321 | #define STATUS_RF_KILL_HW 3 | |
322 | #define STATUS_RF_KILL_SW 4 | |
323 | #define STATUS_INIT 5 | |
324 | #define STATUS_ALIVE 6 | |
325 | #define STATUS_READY 7 | |
326 | #define STATUS_TEMPERATURE 8 | |
327 | #define STATUS_GEO_CONFIGURED 9 | |
328 | #define STATUS_EXIT_PENDING 10 | |
329 | #define STATUS_IN_SUSPEND 11 | |
330 | #define STATUS_STATISTICS 12 | |
331 | #define STATUS_SCANNING 13 | |
332 | #define STATUS_SCAN_ABORTING 14 | |
333 | #define STATUS_SCAN_HW 15 | |
334 | #define STATUS_POWER_PMI 16 | |
335 | #define STATUS_FW_ERROR 17 | |
336 | #define STATUS_CONF_PENDING 18 | |
c46fbefa | 337 | #define STATUS_MODE_PENDING 19 |
fee1247a TW |
338 | |
339 | ||
340 | static inline int iwl_is_ready(struct iwl_priv *priv) | |
341 | { | |
342 | /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are | |
343 | * set but EXIT_PENDING is not */ | |
344 | return test_bit(STATUS_READY, &priv->status) && | |
345 | test_bit(STATUS_GEO_CONFIGURED, &priv->status) && | |
346 | !test_bit(STATUS_EXIT_PENDING, &priv->status); | |
347 | } | |
348 | ||
349 | static inline int iwl_is_alive(struct iwl_priv *priv) | |
350 | { | |
351 | return test_bit(STATUS_ALIVE, &priv->status); | |
352 | } | |
353 | ||
354 | static inline int iwl_is_init(struct iwl_priv *priv) | |
355 | { | |
356 | return test_bit(STATUS_INIT, &priv->status); | |
357 | } | |
358 | ||
359 | static inline int iwl_is_rfkill(struct iwl_priv *priv) | |
360 | { | |
361 | return test_bit(STATUS_RF_KILL_HW, &priv->status) || | |
362 | test_bit(STATUS_RF_KILL_SW, &priv->status); | |
363 | } | |
364 | ||
365 | static inline int iwl_is_ready_rf(struct iwl_priv *priv) | |
366 | { | |
367 | ||
368 | if (iwl_is_rfkill(priv)) | |
369 | return 0; | |
370 | ||
371 | return iwl_is_ready(priv); | |
372 | } | |
373 | ||
14a08a7f | 374 | extern void iwl_rf_kill_ct_config(struct iwl_priv *priv); |
49ea8596 | 375 | extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags); |
b0692f2f | 376 | extern int iwl_verify_ucode(struct iwl_priv *priv); |
14a08a7f | 377 | extern int iwl_send_lq_cmd(struct iwl_priv *priv, |
1781a07f EG |
378 | struct iwl_link_quality_cmd *lq, u8 flags); |
379 | extern void iwl_rx_reply_rx(struct iwl_priv *priv, | |
380 | struct iwl_rx_mem_buffer *rxb); | |
381 | extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv, | |
382 | struct iwl_rx_mem_buffer *rxb); | |
653fa4a0 EG |
383 | void iwl_rx_reply_compressed_ba(struct iwl_priv *priv, |
384 | struct iwl_rx_mem_buffer *rxb); | |
7e8c519e TW |
385 | |
386 | static inline int iwl_send_rxon_assoc(struct iwl_priv *priv) | |
387 | { | |
388 | return priv->cfg->ops->hcmd->rxon_assoc(priv); | |
389 | } | |
390 | ||
3c57601d RR |
391 | static inline const struct ieee80211_supported_band *iwl_get_hw_mode( |
392 | struct iwl_priv *priv, enum ieee80211_band band) | |
393 | { | |
394 | return priv->hw->wiphy->bands[band]; | |
395 | } | |
396 | ||
82b9a121 | 397 | #endif /* __iwl_core_h__ */ |