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 - 2010 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 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2010 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
66 #include "iwl-dev.h"
67
68 /************************
69 * forward declarations *
70 ************************/
71 struct iwl_host_cmd;
72 struct iwl_cmd;
73
74
75 #define IWLWIFI_VERSION "in-tree:"
76 #define DRV_COPYRIGHT "Copyright(c) 2003-2010 Intel Corporation"
77 #define DRV_AUTHOR "<ilw@linux.intel.com>"
78
79 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
80 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
81 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
82 .driver_data = (kernel_ulong_t)&(cfg)
83
84 #define TIME_UNIT 1024
85
86 #define IWL_SKU_G 0x1
87 #define IWL_SKU_A 0x2
88 #define IWL_SKU_N 0x8
89
90 #define IWL_CMD(x) case x: return #x
91
92 struct iwl_hcmd_ops {
93 int (*rxon_assoc)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
94 int (*commit_rxon)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
95 void (*set_rxon_chain)(struct iwl_priv *priv,
96 struct iwl_rxon_context *ctx);
97 int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant);
98 void (*send_bt_config)(struct iwl_priv *priv);
99 int (*set_pan_params)(struct iwl_priv *priv);
100 };
101
102 struct iwl_hcmd_utils_ops {
103 u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
104 u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
105 void (*gain_computation)(struct iwl_priv *priv,
106 u32 *average_noise,
107 u16 min_average_noise_antennat_i,
108 u32 min_average_noise,
109 u8 default_chain);
110 void (*chain_noise_reset)(struct iwl_priv *priv);
111 void (*tx_cmd_protection)(struct iwl_priv *priv,
112 struct ieee80211_tx_info *info,
113 __le16 fc, __le32 *tx_flags);
114 int (*calc_rssi)(struct iwl_priv *priv,
115 struct iwl_rx_phy_res *rx_resp);
116 int (*request_scan)(struct iwl_priv *priv, struct ieee80211_vif *vif);
117 void (*post_scan)(struct iwl_priv *priv);
118 };
119
120 struct iwl_apm_ops {
121 int (*init)(struct iwl_priv *priv);
122 void (*config)(struct iwl_priv *priv);
123 };
124
125 struct iwl_isr_ops {
126 irqreturn_t (*isr) (int irq, void *data);
127 void (*free)(struct iwl_priv *priv);
128 int (*alloc)(struct iwl_priv *priv);
129 int (*reset)(struct iwl_priv *priv);
130 void (*disable)(struct iwl_priv *priv);
131 };
132
133 struct iwl_debugfs_ops {
134 ssize_t (*rx_stats_read)(struct file *file, char __user *user_buf,
135 size_t count, loff_t *ppos);
136 ssize_t (*tx_stats_read)(struct file *file, char __user *user_buf,
137 size_t count, loff_t *ppos);
138 ssize_t (*general_stats_read)(struct file *file, char __user *user_buf,
139 size_t count, loff_t *ppos);
140 ssize_t (*bt_stats_read)(struct file *file, char __user *user_buf,
141 size_t count, loff_t *ppos);
142 ssize_t (*reply_tx_error)(struct file *file, char __user *user_buf,
143 size_t count, loff_t *ppos);
144 };
145
146 struct iwl_temp_ops {
147 void (*temperature)(struct iwl_priv *priv);
148 };
149
150 struct iwl_tt_ops {
151 bool (*lower_power_detection)(struct iwl_priv *priv);
152 u8 (*tt_power_mode)(struct iwl_priv *priv);
153 bool (*ct_kill_check)(struct iwl_priv *priv);
154 };
155
156 struct iwl_lib_ops {
157 /* set hw dependent parameters */
158 int (*set_hw_params)(struct iwl_priv *priv);
159 /* Handling TX */
160 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
161 struct iwl_tx_queue *txq,
162 u16 byte_cnt);
163 void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
164 struct iwl_tx_queue *txq);
165 void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
166 int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
167 struct iwl_tx_queue *txq,
168 dma_addr_t addr,
169 u16 len, u8 reset, u8 pad);
170 void (*txq_free_tfd)(struct iwl_priv *priv,
171 struct iwl_tx_queue *txq);
172 int (*txq_init)(struct iwl_priv *priv,
173 struct iwl_tx_queue *txq);
174 /* aggregations */
175 int (*txq_agg_enable)(struct iwl_priv *priv, int txq_id, int tx_fifo,
176 int sta_id, int tid, u16 ssn_idx);
177 int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx,
178 u8 tx_fifo);
179 /* setup Rx handler */
180 void (*rx_handler_setup)(struct iwl_priv *priv);
181 /* setup deferred work */
182 void (*setup_deferred_work)(struct iwl_priv *priv);
183 /* cancel deferred work */
184 void (*cancel_deferred_work)(struct iwl_priv *priv);
185 /* alive notification after init uCode load */
186 void (*init_alive_start)(struct iwl_priv *priv);
187 /* alive notification */
188 int (*alive_notify)(struct iwl_priv *priv);
189 /* check validity of rtc data address */
190 int (*is_valid_rtc_data_addr)(u32 addr);
191 /* 1st ucode load */
192 int (*load_ucode)(struct iwl_priv *priv);
193 int (*dump_nic_event_log)(struct iwl_priv *priv,
194 bool full_log, char **buf, bool display);
195 void (*dump_nic_error_log)(struct iwl_priv *priv);
196 void (*dump_csr)(struct iwl_priv *priv);
197 int (*dump_fh)(struct iwl_priv *priv, char **buf, bool display);
198 int (*set_channel_switch)(struct iwl_priv *priv,
199 struct ieee80211_channel_switch *ch_switch);
200 /* power management */
201 struct iwl_apm_ops apm_ops;
202
203 /* power */
204 int (*send_tx_power) (struct iwl_priv *priv);
205 void (*update_chain_flags)(struct iwl_priv *priv);
206
207 /* isr */
208 struct iwl_isr_ops isr_ops;
209
210 /* eeprom operations (as defined in iwl-eeprom.h) */
211 struct iwl_eeprom_ops eeprom_ops;
212
213 /* temperature */
214 struct iwl_temp_ops temp_ops;
215
216 int (*txfifo_flush)(struct iwl_priv *priv, u16 flush_control);
217 void (*dev_txfifo_flush)(struct iwl_priv *priv, u16 flush_control);
218
219 struct iwl_debugfs_ops debugfs_ops;
220
221 /* thermal throttling */
222 struct iwl_tt_ops tt_ops;
223 };
224
225 struct iwl_led_ops {
226 int (*cmd)(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd);
227 };
228
229 /* NIC specific ops */
230 struct iwl_nic_ops {
231 void (*additional_nic_config)(struct iwl_priv *priv);
232 };
233
234 struct iwl_legacy_ops {
235 void (*post_associate)(struct iwl_priv *priv);
236 void (*config_ap)(struct iwl_priv *priv);
237 /* station management */
238 int (*update_bcast_stations)(struct iwl_priv *priv);
239 int (*manage_ibss_station)(struct iwl_priv *priv,
240 struct ieee80211_vif *vif, bool add);
241 };
242
243 struct iwl_ops {
244 const struct iwl_lib_ops *lib;
245 const struct iwl_hcmd_ops *hcmd;
246 const struct iwl_hcmd_utils_ops *utils;
247 const struct iwl_led_ops *led;
248 const struct iwl_nic_ops *nic;
249 const struct iwl_legacy_ops *legacy;
250 const struct ieee80211_ops *ieee80211_ops;
251 };
252
253 struct iwl_mod_params {
254 int sw_crypto; /* def: 0 = using hardware encryption */
255 int disable_hw_scan; /* def: 0 = use h/w scan */
256 int num_of_queues; /* def: HW dependent */
257 int disable_11n; /* def: 0 = 11n capabilities enabled */
258 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
259 int antenna; /* def: 0 = both antennas (use diversity) */
260 int restart_fw; /* def: 1 = restart firmware */
261 bool plcp_check; /* def: true = enable plcp health check */
262 bool ack_check; /* def: false = disable ack health check */
263 };
264
265 /*
266 * @max_ll_items: max number of OTP blocks
267 * @shadow_ram_support: shadow support for OTP memory
268 * @led_compensation: compensate on the led on/off time per HW according
269 * to the deviation to achieve the desired led frequency.
270 * The detail algorithm is described in iwl-led.c
271 * @chain_noise_num_beacons: number of beacons used to compute chain noise
272 * @adv_thermal_throttle: support advance thermal throttle
273 * @support_ct_kill_exit: support ct kill exit condition
274 * @support_wimax_coexist: support wimax/wifi co-exist
275 * @plcp_delta_threshold: plcp error rate threshold used to trigger
276 * radio tuning when there is a high receiving plcp error rate
277 * @chain_noise_scale: default chain noise scale used for gain computation
278 * @wd_timeout: TX queues watchdog timeout
279 * @temperature_kelvin: temperature report by uCode in kelvin
280 * @max_event_log_size: size of event log buffer size for ucode event logging
281 * @tx_power_by_driver: tx power calibration performed by driver
282 * instead of uCode
283 * @ucode_tracing: support ucode continuous tracing
284 * @sensitivity_calib_by_driver: driver has the capability to perform
285 * sensitivity calibration operation
286 * @chain_noise_calib_by_driver: driver has the capability to perform
287 * chain noise calibration operation
288 * @shadow_reg_enable: HW shadhow register bit
289 * @no_agg_framecnt_info: uCode do not provide aggregation frame count
290 * information
291 */
292 struct iwl_base_params {
293 int eeprom_size;
294 int num_of_queues; /* def: HW dependent */
295 int num_of_ampdu_queues;/* def: HW dependent */
296 /* for iwl_apm_init() */
297 u32 pll_cfg_val;
298 bool set_l0s;
299 bool use_bsm;
300
301 bool use_isr_legacy;
302 const u16 max_ll_items;
303 const bool shadow_ram_support;
304 u16 led_compensation;
305 const bool broken_powersave;
306 int chain_noise_num_beacons;
307 bool adv_thermal_throttle;
308 bool support_ct_kill_exit;
309 const bool support_wimax_coexist;
310 u8 plcp_delta_threshold;
311 s32 chain_noise_scale;
312 unsigned int wd_timeout;
313 bool temperature_kelvin;
314 u32 max_event_log_size;
315 const bool tx_power_by_driver;
316 const bool ucode_tracing;
317 const bool sensitivity_calib_by_driver;
318 const bool chain_noise_calib_by_driver;
319 const bool shadow_reg_enable;
320 const bool no_agg_framecnt_info;
321 };
322 /*
323 * @advanced_bt_coexist: support advanced bt coexist
324 * @bt_init_traffic_load: specify initial bt traffic load
325 * @bt_prio_boost: default bt priority boost value
326 * @bt_statistics: use BT version of statistics notification
327 * @agg_time_limit: maximum number of uSec in aggregation
328 * @ampdu_factor: Maximum A-MPDU length factor
329 * @ampdu_density: Minimum A-MPDU spacing
330 * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
331 */
332 struct iwl_bt_params {
333 bool advanced_bt_coexist;
334 u8 bt_init_traffic_load;
335 u8 bt_prio_boost;
336 const bool bt_statistics;
337 u16 agg_time_limit;
338 u8 ampdu_factor;
339 u8 ampdu_density;
340 bool bt_sco_disable;
341 bool bt_session_2;
342 };
343 /*
344 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
345 */
346 struct iwl_ht_params {
347 const bool ht_greenfield_support; /* if used set to true */
348 bool use_rts_for_aggregation;
349 };
350
351 /**
352 * struct iwl_cfg
353 * @fw_name_pre: Firmware filename prefix. The api version and extension
354 * (.ucode) will be added to filename before loading from disk. The
355 * filename is constructed as fw_name_pre<api>.ucode.
356 * @ucode_api_max: Highest version of uCode API supported by driver.
357 * @ucode_api_min: Lowest version of uCode API supported by driver.
358 * @pa_type: used by 6000 series only to identify the type of Power Amplifier
359 * @need_dc_calib: need to perform init dc calibration
360 * @need_temp_offset_calib: need to perform temperature offset calibration
361 * @scan_antennas: available antenna for scan operation
362 * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
363 * @adv_pm: advance power management
364 * @rx_with_siso_diversity: 1x1 device with rx antenna diversity
365 * @internal_wimax_coex: internal wifi/wimax combo device
366 * @iq_invert: I/Q inversion
367 *
368 * We enable the driver to be backward compatible wrt API version. The
369 * driver specifies which APIs it supports (with @ucode_api_max being the
370 * highest and @ucode_api_min the lowest). Firmware will only be loaded if
371 * it has a supported API version. The firmware's API version will be
372 * stored in @iwl_priv, enabling the driver to make runtime changes based
373 * on firmware version used.
374 *
375 * For example,
376 * if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
377 * Driver interacts with Firmware API version >= 2.
378 * } else {
379 * Driver interacts with Firmware API version 1.
380 * }
381 *
382 * The ideal usage of this infrastructure is to treat a new ucode API
383 * release as a new hardware revision. That is, through utilizing the
384 * iwl_hcmd_utils_ops etc. we accommodate different command structures
385 * and flows between hardware versions (4965/5000) as well as their API
386 * versions.
387 *
388 */
389 struct iwl_cfg {
390 /* params specific to an individual device within a device family */
391 const char *name;
392 const char *fw_name_pre;
393 const unsigned int ucode_api_max;
394 const unsigned int ucode_api_min;
395 u8 valid_tx_ant;
396 u8 valid_rx_ant;
397 unsigned int sku;
398 u16 eeprom_ver;
399 u16 eeprom_calib_ver;
400 const struct iwl_ops *ops;
401 /* module based parameters which can be set from modprobe cmd */
402 const struct iwl_mod_params *mod_params;
403 /* params not likely to change within a device family */
404 struct iwl_base_params *base_params;
405 /* params likely to change within a device family */
406 struct iwl_ht_params *ht_params;
407 struct iwl_bt_params *bt_params;
408 enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */
409 const bool need_dc_calib; /* if used set to true */
410 const bool need_temp_offset_calib; /* if used set to true */
411 u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
412 enum iwl_led_mode led_mode;
413 const bool adv_pm;
414 const bool rx_with_siso_diversity;
415 const bool internal_wimax_coex;
416 const bool iq_invert;
417 };
418
419 /***************************
420 * L i b *
421 ***************************/
422
423 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg);
424 int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
425 const struct ieee80211_tx_queue_params *params);
426 int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw);
427 void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
428 int hw_decrypt);
429 int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
430 int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
431 int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
432 struct iwl_rxon_context *ctx);
433 void iwl_set_flags_for_band(struct iwl_priv *priv,
434 struct iwl_rxon_context *ctx,
435 enum ieee80211_band band,
436 struct ieee80211_vif *vif);
437 u8 iwl_get_single_channel_number(struct iwl_priv *priv,
438 enum ieee80211_band band);
439 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
440 bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
441 struct iwl_rxon_context *ctx,
442 struct ieee80211_sta_ht_cap *ht_cap);
443 void iwl_connection_init_rx_config(struct iwl_priv *priv,
444 struct iwl_rxon_context *ctx);
445 void iwl_set_rate(struct iwl_priv *priv);
446 void iwl_irq_handle_error(struct iwl_priv *priv);
447 int iwl_mac_add_interface(struct ieee80211_hw *hw,
448 struct ieee80211_vif *vif);
449 void iwl_mac_remove_interface(struct ieee80211_hw *hw,
450 struct ieee80211_vif *vif);
451 int iwl_mac_change_interface(struct ieee80211_hw *hw,
452 struct ieee80211_vif *vif,
453 enum nl80211_iftype newtype, bool newp2p);
454 int iwl_alloc_txq_mem(struct iwl_priv *priv);
455 void iwl_free_txq_mem(struct iwl_priv *priv);
456
457 #ifdef CONFIG_IWLWIFI_DEBUGFS
458 int iwl_alloc_traffic_mem(struct iwl_priv *priv);
459 void iwl_free_traffic_mem(struct iwl_priv *priv);
460 void iwl_reset_traffic_log(struct iwl_priv *priv);
461 void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
462 u16 length, struct ieee80211_hdr *header);
463 void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
464 u16 length, struct ieee80211_hdr *header);
465 const char *get_mgmt_string(int cmd);
466 const char *get_ctrl_string(int cmd);
467 void iwl_clear_traffic_stats(struct iwl_priv *priv);
468 void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
469 u16 len);
470 #else
iwl_alloc_traffic_mem(struct iwl_priv * priv)471 static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
472 {
473 return 0;
474 }
iwl_free_traffic_mem(struct iwl_priv * priv)475 static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
476 {
477 }
iwl_reset_traffic_log(struct iwl_priv * priv)478 static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
479 {
480 }
iwl_dbg_log_tx_data_frame(struct iwl_priv * priv,u16 length,struct ieee80211_hdr * header)481 static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
482 u16 length, struct ieee80211_hdr *header)
483 {
484 }
iwl_dbg_log_rx_data_frame(struct iwl_priv * priv,u16 length,struct ieee80211_hdr * header)485 static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
486 u16 length, struct ieee80211_hdr *header)
487 {
488 }
iwl_update_stats(struct iwl_priv * priv,bool is_tx,__le16 fc,u16 len)489 static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
490 __le16 fc, u16 len)
491 {
492 }
493 #endif
494
495 /*****************************************************
496 * RX
497 ******************************************************/
498 void iwl_cmd_queue_free(struct iwl_priv *priv);
499 void iwl_cmd_queue_unmap(struct iwl_priv *priv);
500 int iwl_rx_queue_alloc(struct iwl_priv *priv);
501 void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
502 struct iwl_rx_queue *q);
503 int iwl_rx_queue_space(const struct iwl_rx_queue *q);
504 void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
505
506 void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
507
508 /* TX helpers */
509
510 /*****************************************************
511 * TX
512 ******************************************************/
513 void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
514 int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
515 int slots_num, u32 txq_id);
516 void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq,
517 int slots_num, u32 txq_id);
518 void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id);
519 void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id);
520 void iwl_setup_watchdog(struct iwl_priv *priv);
521 /*****************************************************
522 * TX power
523 ****************************************************/
524 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
525
526 /*******************************************************************************
527 * Rate
528 ******************************************************************************/
529
530 u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
531 struct iwl_rxon_context *ctx);
532
533 /*******************************************************************************
534 * Scanning
535 ******************************************************************************/
536 void iwl_init_scan_params(struct iwl_priv *priv);
537 int iwl_scan_cancel(struct iwl_priv *priv);
538 int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
539 void iwl_force_scan_end(struct iwl_priv *priv);
540 int iwl_mac_hw_scan(struct ieee80211_hw *hw,
541 struct ieee80211_vif *vif,
542 struct cfg80211_scan_request *req);
543 void iwl_internal_short_hw_scan(struct iwl_priv *priv);
544 int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
545 u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
546 const u8 *ta, const u8 *ie, int ie_len, int left);
547 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
548 u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
549 enum ieee80211_band band,
550 u8 n_probes);
551 u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
552 enum ieee80211_band band,
553 struct ieee80211_vif *vif);
554 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
555 void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
556 int __must_check iwl_scan_initiate(struct iwl_priv *priv,
557 struct ieee80211_vif *vif,
558 enum iwl_scan_type scan_type,
559 enum ieee80211_band band);
560
561 /* For faster active scanning, scan will move to the next channel if fewer than
562 * PLCP_QUIET_THRESH packets are heard on this channel within
563 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
564 * time if it's a quiet channel (nothing responded to our probe, and there's
565 * no other traffic).
566 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
567 #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
568 #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
569
570 #define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)
571
572 /*****************************************************
573 * S e n d i n g H o s t C o m m a n d s *
574 *****************************************************/
575
576 const char *get_cmd_string(u8 cmd);
577 int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
578 struct iwl_host_cmd *cmd);
579 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
580 int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
581 u16 len, const void *data);
582 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
583 const void *data,
584 void (*callback)(struct iwl_priv *priv,
585 struct iwl_device_cmd *cmd,
586 struct iwl_rx_packet *pkt));
587
588 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
589
590
591 /*****************************************************
592 * PCI *
593 *****************************************************/
594
iwl_pcie_link_ctl(struct iwl_priv * priv)595 static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv)
596 {
597 int pos;
598 u16 pci_lnk_ctl;
599 pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP);
600 pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
601 return pci_lnk_ctl;
602 }
603
604 void iwl_bg_watchdog(unsigned long data);
605 u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
606 __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
607 u32 addon, u32 beacon_interval);
608
609 #ifdef CONFIG_PM
610 int iwl_pci_suspend(struct device *device);
611 int iwl_pci_resume(struct device *device);
612 extern const struct dev_pm_ops iwl_pm_ops;
613
614 #define IWL_PM_OPS (&iwl_pm_ops)
615
616 #else /* !CONFIG_PM */
617
618 #define IWL_PM_OPS NULL
619
620 #endif /* !CONFIG_PM */
621
622 /*****************************************************
623 * Error Handling Debugging
624 ******************************************************/
625 void iwl_dump_nic_error_log(struct iwl_priv *priv);
626 int iwl_dump_nic_event_log(struct iwl_priv *priv,
627 bool full_log, char **buf, bool display);
628 #ifdef CONFIG_IWLWIFI_DEBUG
629 void iwl_print_rx_config_cmd(struct iwl_priv *priv,
630 struct iwl_rxon_context *ctx);
631 #else
iwl_print_rx_config_cmd(struct iwl_priv * priv,struct iwl_rxon_context * ctx)632 static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
633 struct iwl_rxon_context *ctx)
634 {
635 }
636 #endif
637
638 void iwl_clear_isr_stats(struct iwl_priv *priv);
639
640 /*****************************************************
641 * GEOS
642 ******************************************************/
643 int iwlcore_init_geos(struct iwl_priv *priv);
644 void iwlcore_free_geos(struct iwl_priv *priv);
645
646 /*************** DRIVER STATUS FUNCTIONS *****/
647
648 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
649 /* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
650 #define STATUS_INT_ENABLED 2
651 #define STATUS_RF_KILL_HW 3
652 #define STATUS_CT_KILL 4
653 #define STATUS_INIT 5
654 #define STATUS_ALIVE 6
655 #define STATUS_READY 7
656 #define STATUS_TEMPERATURE 8
657 #define STATUS_GEO_CONFIGURED 9
658 #define STATUS_EXIT_PENDING 10
659 #define STATUS_STATISTICS 12
660 #define STATUS_SCANNING 13
661 #define STATUS_SCAN_ABORTING 14
662 #define STATUS_SCAN_HW 15
663 #define STATUS_POWER_PMI 16
664 #define STATUS_FW_ERROR 17
665
666
iwl_is_ready(struct iwl_priv * priv)667 static inline int iwl_is_ready(struct iwl_priv *priv)
668 {
669 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
670 * set but EXIT_PENDING is not */
671 return test_bit(STATUS_READY, &priv->status) &&
672 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
673 !test_bit(STATUS_EXIT_PENDING, &priv->status);
674 }
675
iwl_is_alive(struct iwl_priv * priv)676 static inline int iwl_is_alive(struct iwl_priv *priv)
677 {
678 return test_bit(STATUS_ALIVE, &priv->status);
679 }
680
iwl_is_init(struct iwl_priv * priv)681 static inline int iwl_is_init(struct iwl_priv *priv)
682 {
683 return test_bit(STATUS_INIT, &priv->status);
684 }
685
iwl_is_rfkill_hw(struct iwl_priv * priv)686 static inline int iwl_is_rfkill_hw(struct iwl_priv *priv)
687 {
688 return test_bit(STATUS_RF_KILL_HW, &priv->status);
689 }
690
iwl_is_rfkill(struct iwl_priv * priv)691 static inline int iwl_is_rfkill(struct iwl_priv *priv)
692 {
693 return iwl_is_rfkill_hw(priv);
694 }
695
iwl_is_ctkill(struct iwl_priv * priv)696 static inline int iwl_is_ctkill(struct iwl_priv *priv)
697 {
698 return test_bit(STATUS_CT_KILL, &priv->status);
699 }
700
iwl_is_ready_rf(struct iwl_priv * priv)701 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
702 {
703
704 if (iwl_is_rfkill(priv))
705 return 0;
706
707 return iwl_is_ready(priv);
708 }
709
710 extern void iwl_send_bt_config(struct iwl_priv *priv);
711 extern int iwl_send_statistics_request(struct iwl_priv *priv,
712 u8 flags, bool clear);
713 void iwl_apm_stop(struct iwl_priv *priv);
714 int iwl_apm_init(struct iwl_priv *priv);
715
716 int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
iwl_send_rxon_assoc(struct iwl_priv * priv,struct iwl_rxon_context * ctx)717 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv,
718 struct iwl_rxon_context *ctx)
719 {
720 return priv->cfg->ops->hcmd->rxon_assoc(priv, ctx);
721 }
iwlcore_commit_rxon(struct iwl_priv * priv,struct iwl_rxon_context * ctx)722 static inline int iwlcore_commit_rxon(struct iwl_priv *priv,
723 struct iwl_rxon_context *ctx)
724 {
725 return priv->cfg->ops->hcmd->commit_rxon(priv, ctx);
726 }
iwl_get_hw_mode(struct iwl_priv * priv,enum ieee80211_band band)727 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
728 struct iwl_priv *priv, enum ieee80211_band band)
729 {
730 return priv->hw->wiphy->bands[band];
731 }
732
iwl_advanced_bt_coexist(struct iwl_priv * priv)733 static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
734 {
735 return priv->cfg->bt_params &&
736 priv->cfg->bt_params->advanced_bt_coexist;
737 }
738
iwl_bt_statistics(struct iwl_priv * priv)739 static inline bool iwl_bt_statistics(struct iwl_priv *priv)
740 {
741 return priv->cfg->bt_params && priv->cfg->bt_params->bt_statistics;
742 }
743
744 extern bool bt_coex_active;
745 extern bool bt_siso_mode;
746
747 #endif /* __iwl_core_h__ */
748