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 - 2011 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 - 2011 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_legacy_core_h__
64 #define __iwl_legacy_core_h__
65
66 /************************
67 * forward declarations *
68 ************************/
69 struct iwl_host_cmd;
70 struct iwl_cmd;
71
72
73 #define IWLWIFI_VERSION "in-tree:"
74 #define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation"
75 #define DRV_AUTHOR "<ilw@linux.intel.com>"
76
77 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
78 .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
79 .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
80 .driver_data = (kernel_ulong_t)&(cfg)
81
82 #define TIME_UNIT 1024
83
84 #define IWL_SKU_G 0x1
85 #define IWL_SKU_A 0x2
86 #define IWL_SKU_N 0x8
87
88 #define IWL_CMD(x) case x: return #x
89
90 struct iwl_hcmd_ops {
91 int (*rxon_assoc)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
92 int (*commit_rxon)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
93 void (*set_rxon_chain)(struct iwl_priv *priv,
94 struct iwl_rxon_context *ctx);
95 };
96
97 struct iwl_hcmd_utils_ops {
98 u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
99 u16 (*build_addsta_hcmd)(const struct iwl_legacy_addsta_cmd *cmd,
100 u8 *data);
101 int (*request_scan)(struct iwl_priv *priv, struct ieee80211_vif *vif);
102 void (*post_scan)(struct iwl_priv *priv);
103 };
104
105 struct iwl_apm_ops {
106 int (*init)(struct iwl_priv *priv);
107 void (*config)(struct iwl_priv *priv);
108 };
109
110 struct iwl_debugfs_ops {
111 ssize_t (*rx_stats_read)(struct file *file, char __user *user_buf,
112 size_t count, loff_t *ppos);
113 ssize_t (*tx_stats_read)(struct file *file, char __user *user_buf,
114 size_t count, loff_t *ppos);
115 ssize_t (*general_stats_read)(struct file *file, char __user *user_buf,
116 size_t count, loff_t *ppos);
117 };
118
119 struct iwl_temp_ops {
120 void (*temperature)(struct iwl_priv *priv);
121 };
122
123 struct iwl_lib_ops {
124 /* set hw dependent parameters */
125 int (*set_hw_params)(struct iwl_priv *priv);
126 /* Handling TX */
127 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
128 struct iwl_tx_queue *txq,
129 u16 byte_cnt);
130 int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
131 struct iwl_tx_queue *txq,
132 dma_addr_t addr,
133 u16 len, u8 reset, u8 pad);
134 void (*txq_free_tfd)(struct iwl_priv *priv,
135 struct iwl_tx_queue *txq);
136 int (*txq_init)(struct iwl_priv *priv,
137 struct iwl_tx_queue *txq);
138 /* setup Rx handler */
139 void (*rx_handler_setup)(struct iwl_priv *priv);
140 /* alive notification after init uCode load */
141 void (*init_alive_start)(struct iwl_priv *priv);
142 /* check validity of rtc data address */
143 int (*is_valid_rtc_data_addr)(u32 addr);
144 /* 1st ucode load */
145 int (*load_ucode)(struct iwl_priv *priv);
146 int (*dump_nic_event_log)(struct iwl_priv *priv,
147 bool full_log, char **buf, bool display);
148 void (*dump_nic_error_log)(struct iwl_priv *priv);
149 int (*dump_fh)(struct iwl_priv *priv, char **buf, bool display);
150 int (*set_channel_switch)(struct iwl_priv *priv,
151 struct ieee80211_channel_switch *ch_switch);
152 /* power management */
153 struct iwl_apm_ops apm_ops;
154
155 /* power */
156 int (*send_tx_power) (struct iwl_priv *priv);
157 void (*update_chain_flags)(struct iwl_priv *priv);
158
159 /* eeprom operations (as defined in iwl-eeprom.h) */
160 struct iwl_eeprom_ops eeprom_ops;
161
162 /* temperature */
163 struct iwl_temp_ops temp_ops;
164 /* check for plcp health */
165 bool (*check_plcp_health)(struct iwl_priv *priv,
166 struct iwl_rx_packet *pkt);
167
168 struct iwl_debugfs_ops debugfs_ops;
169
170 };
171
172 struct iwl_led_ops {
173 int (*cmd)(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd);
174 };
175
176 struct iwl_legacy_ops {
177 void (*post_associate)(struct iwl_priv *priv);
178 void (*config_ap)(struct iwl_priv *priv);
179 /* station management */
180 int (*update_bcast_stations)(struct iwl_priv *priv);
181 int (*manage_ibss_station)(struct iwl_priv *priv,
182 struct ieee80211_vif *vif, bool add);
183 };
184
185 struct iwl_ops {
186 const struct iwl_lib_ops *lib;
187 const struct iwl_hcmd_ops *hcmd;
188 const struct iwl_hcmd_utils_ops *utils;
189 const struct iwl_led_ops *led;
190 const struct iwl_nic_ops *nic;
191 const struct iwl_legacy_ops *legacy;
192 const struct ieee80211_ops *ieee80211_ops;
193 };
194
195 struct iwl_mod_params {
196 int sw_crypto; /* def: 0 = using hardware encryption */
197 int disable_hw_scan; /* def: 0 = use h/w scan */
198 int num_of_queues; /* def: HW dependent */
199 int disable_11n; /* def: 0 = 11n capabilities enabled */
200 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
201 int antenna; /* def: 0 = both antennas (use diversity) */
202 int restart_fw; /* def: 1 = restart firmware */
203 };
204
205 /*
206 * @led_compensation: compensate on the led on/off time per HW according
207 * to the deviation to achieve the desired led frequency.
208 * The detail algorithm is described in iwl-led.c
209 * @chain_noise_num_beacons: number of beacons used to compute chain noise
210 * @plcp_delta_threshold: plcp error rate threshold used to trigger
211 * radio tuning when there is a high receiving plcp error rate
212 * @wd_timeout: TX queues watchdog timeout
213 * @temperature_kelvin: temperature report by uCode in kelvin
214 * @max_event_log_size: size of event log buffer size for ucode event logging
215 * @ucode_tracing: support ucode continuous tracing
216 * @sensitivity_calib_by_driver: driver has the capability to perform
217 * sensitivity calibration operation
218 * @chain_noise_calib_by_driver: driver has the capability to perform
219 * chain noise calibration operation
220 */
221 struct iwl_base_params {
222 int eeprom_size;
223 int num_of_queues; /* def: HW dependent */
224 int num_of_ampdu_queues;/* def: HW dependent */
225 /* for iwl_legacy_apm_init() */
226 u32 pll_cfg_val;
227 bool set_l0s;
228 bool use_bsm;
229
230 u16 led_compensation;
231 int chain_noise_num_beacons;
232 u8 plcp_delta_threshold;
233 unsigned int wd_timeout;
234 bool temperature_kelvin;
235 u32 max_event_log_size;
236 const bool ucode_tracing;
237 const bool sensitivity_calib_by_driver;
238 const bool chain_noise_calib_by_driver;
239 };
240
241 /**
242 * struct iwl_cfg
243 * @fw_name_pre: Firmware filename prefix. The api version and extension
244 * (.ucode) will be added to filename before loading from disk. The
245 * filename is constructed as fw_name_pre<api>.ucode.
246 * @ucode_api_max: Highest version of uCode API supported by driver.
247 * @ucode_api_min: Lowest version of uCode API supported by driver.
248 * @scan_antennas: available antenna for scan operation
249 * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
250 *
251 * We enable the driver to be backward compatible wrt API version. The
252 * driver specifies which APIs it supports (with @ucode_api_max being the
253 * highest and @ucode_api_min the lowest). Firmware will only be loaded if
254 * it has a supported API version. The firmware's API version will be
255 * stored in @iwl_priv, enabling the driver to make runtime changes based
256 * on firmware version used.
257 *
258 * For example,
259 * if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
260 * Driver interacts with Firmware API version >= 2.
261 * } else {
262 * Driver interacts with Firmware API version 1.
263 * }
264 *
265 * The ideal usage of this infrastructure is to treat a new ucode API
266 * release as a new hardware revision. That is, through utilizing the
267 * iwl_hcmd_utils_ops etc. we accommodate different command structures
268 * and flows between hardware versions as well as their API
269 * versions.
270 *
271 */
272 struct iwl_cfg {
273 /* params specific to an individual device within a device family */
274 const char *name;
275 const char *fw_name_pre;
276 const unsigned int ucode_api_max;
277 const unsigned int ucode_api_min;
278 u8 valid_tx_ant;
279 u8 valid_rx_ant;
280 unsigned int sku;
281 u16 eeprom_ver;
282 u16 eeprom_calib_ver;
283 const struct iwl_ops *ops;
284 /* module based parameters which can be set from modprobe cmd */
285 const struct iwl_mod_params *mod_params;
286 /* params not likely to change within a device family */
287 struct iwl_base_params *base_params;
288 /* params likely to change within a device family */
289 u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
290 u8 scan_tx_antennas[IEEE80211_NUM_BANDS];
291 enum iwl_led_mode led_mode;
292 };
293
294 /***************************
295 * L i b *
296 ***************************/
297
298 struct ieee80211_hw *iwl_legacy_alloc_all(struct iwl_cfg *cfg);
299 int iwl_legacy_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
300 const struct ieee80211_tx_queue_params *params);
301 int iwl_legacy_mac_tx_last_beacon(struct ieee80211_hw *hw);
302 void iwl_legacy_set_rxon_hwcrypto(struct iwl_priv *priv,
303 struct iwl_rxon_context *ctx,
304 int hw_decrypt);
305 int iwl_legacy_check_rxon_cmd(struct iwl_priv *priv,
306 struct iwl_rxon_context *ctx);
307 int iwl_legacy_full_rxon_required(struct iwl_priv *priv,
308 struct iwl_rxon_context *ctx);
309 int iwl_legacy_set_rxon_channel(struct iwl_priv *priv,
310 struct ieee80211_channel *ch,
311 struct iwl_rxon_context *ctx);
312 void iwl_legacy_set_flags_for_band(struct iwl_priv *priv,
313 struct iwl_rxon_context *ctx,
314 enum ieee80211_band band,
315 struct ieee80211_vif *vif);
316 u8 iwl_legacy_get_single_channel_number(struct iwl_priv *priv,
317 enum ieee80211_band band);
318 void iwl_legacy_set_rxon_ht(struct iwl_priv *priv,
319 struct iwl_ht_config *ht_conf);
320 bool iwl_legacy_is_ht40_tx_allowed(struct iwl_priv *priv,
321 struct iwl_rxon_context *ctx,
322 struct ieee80211_sta_ht_cap *ht_cap);
323 void iwl_legacy_connection_init_rx_config(struct iwl_priv *priv,
324 struct iwl_rxon_context *ctx);
325 void iwl_legacy_set_rate(struct iwl_priv *priv);
326 int iwl_legacy_set_decrypted_flag(struct iwl_priv *priv,
327 struct ieee80211_hdr *hdr,
328 u32 decrypt_res,
329 struct ieee80211_rx_status *stats);
330 void iwl_legacy_irq_handle_error(struct iwl_priv *priv);
331 int iwl_legacy_mac_add_interface(struct ieee80211_hw *hw,
332 struct ieee80211_vif *vif);
333 void iwl_legacy_mac_remove_interface(struct ieee80211_hw *hw,
334 struct ieee80211_vif *vif);
335 int iwl_legacy_mac_change_interface(struct ieee80211_hw *hw,
336 struct ieee80211_vif *vif,
337 enum nl80211_iftype newtype, bool newp2p);
338 int iwl_legacy_alloc_txq_mem(struct iwl_priv *priv);
339 void iwl_legacy_txq_mem(struct iwl_priv *priv);
340
341 #ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
342 int iwl_legacy_alloc_traffic_mem(struct iwl_priv *priv);
343 void iwl_legacy_free_traffic_mem(struct iwl_priv *priv);
344 void iwl_legacy_reset_traffic_log(struct iwl_priv *priv);
345 void iwl_legacy_dbg_log_tx_data_frame(struct iwl_priv *priv,
346 u16 length, struct ieee80211_hdr *header);
347 void iwl_legacy_dbg_log_rx_data_frame(struct iwl_priv *priv,
348 u16 length, struct ieee80211_hdr *header);
349 const char *iwl_legacy_get_mgmt_string(int cmd);
350 const char *iwl_legacy_get_ctrl_string(int cmd);
351 void iwl_legacy_clear_traffic_stats(struct iwl_priv *priv);
352 void iwl_legacy_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
353 u16 len);
354 #else
iwl_legacy_alloc_traffic_mem(struct iwl_priv * priv)355 static inline int iwl_legacy_alloc_traffic_mem(struct iwl_priv *priv)
356 {
357 return 0;
358 }
iwl_legacy_free_traffic_mem(struct iwl_priv * priv)359 static inline void iwl_legacy_free_traffic_mem(struct iwl_priv *priv)
360 {
361 }
iwl_legacy_reset_traffic_log(struct iwl_priv * priv)362 static inline void iwl_legacy_reset_traffic_log(struct iwl_priv *priv)
363 {
364 }
iwl_legacy_dbg_log_tx_data_frame(struct iwl_priv * priv,u16 length,struct ieee80211_hdr * header)365 static inline void iwl_legacy_dbg_log_tx_data_frame(struct iwl_priv *priv,
366 u16 length, struct ieee80211_hdr *header)
367 {
368 }
iwl_legacy_dbg_log_rx_data_frame(struct iwl_priv * priv,u16 length,struct ieee80211_hdr * header)369 static inline void iwl_legacy_dbg_log_rx_data_frame(struct iwl_priv *priv,
370 u16 length, struct ieee80211_hdr *header)
371 {
372 }
iwl_legacy_update_stats(struct iwl_priv * priv,bool is_tx,__le16 fc,u16 len)373 static inline void iwl_legacy_update_stats(struct iwl_priv *priv, bool is_tx,
374 __le16 fc, u16 len)
375 {
376 }
377 #endif
378 /*****************************************************
379 * RX handlers.
380 * **************************************************/
381 void iwl_legacy_rx_pm_sleep_notif(struct iwl_priv *priv,
382 struct iwl_rx_mem_buffer *rxb);
383 void iwl_legacy_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
384 struct iwl_rx_mem_buffer *rxb);
385 void iwl_legacy_rx_reply_error(struct iwl_priv *priv,
386 struct iwl_rx_mem_buffer *rxb);
387
388 /*****************************************************
389 * RX
390 ******************************************************/
391 void iwl_legacy_cmd_queue_unmap(struct iwl_priv *priv);
392 void iwl_legacy_cmd_queue_free(struct iwl_priv *priv);
393 int iwl_legacy_rx_queue_alloc(struct iwl_priv *priv);
394 void iwl_legacy_rx_queue_update_write_ptr(struct iwl_priv *priv,
395 struct iwl_rx_queue *q);
396 int iwl_legacy_rx_queue_space(const struct iwl_rx_queue *q);
397 void iwl_legacy_tx_cmd_complete(struct iwl_priv *priv,
398 struct iwl_rx_mem_buffer *rxb);
399 /* Handlers */
400 void iwl_legacy_rx_spectrum_measure_notif(struct iwl_priv *priv,
401 struct iwl_rx_mem_buffer *rxb);
402 void iwl_legacy_recover_from_statistics(struct iwl_priv *priv,
403 struct iwl_rx_packet *pkt);
404 void iwl_legacy_chswitch_done(struct iwl_priv *priv, bool is_success);
405 void iwl_legacy_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
406
407 /* TX helpers */
408
409 /*****************************************************
410 * TX
411 ******************************************************/
412 void iwl_legacy_txq_update_write_ptr(struct iwl_priv *priv,
413 struct iwl_tx_queue *txq);
414 int iwl_legacy_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
415 int slots_num, u32 txq_id);
416 void iwl_legacy_tx_queue_reset(struct iwl_priv *priv,
417 struct iwl_tx_queue *txq,
418 int slots_num, u32 txq_id);
419 void iwl_legacy_tx_queue_unmap(struct iwl_priv *priv, int txq_id);
420 void iwl_legacy_tx_queue_free(struct iwl_priv *priv, int txq_id);
421 void iwl_legacy_setup_watchdog(struct iwl_priv *priv);
422 /*****************************************************
423 * TX power
424 ****************************************************/
425 int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
426
427 /*******************************************************************************
428 * Rate
429 ******************************************************************************/
430
431 u8 iwl_legacy_get_lowest_plcp(struct iwl_priv *priv,
432 struct iwl_rxon_context *ctx);
433
434 /*******************************************************************************
435 * Scanning
436 ******************************************************************************/
437 void iwl_legacy_init_scan_params(struct iwl_priv *priv);
438 int iwl_legacy_scan_cancel(struct iwl_priv *priv);
439 int iwl_legacy_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
440 void iwl_legacy_force_scan_end(struct iwl_priv *priv);
441 int iwl_legacy_mac_hw_scan(struct ieee80211_hw *hw,
442 struct ieee80211_vif *vif,
443 struct cfg80211_scan_request *req);
444 void iwl_legacy_internal_short_hw_scan(struct iwl_priv *priv);
445 int iwl_legacy_force_reset(struct iwl_priv *priv, int mode, bool external);
446 u16 iwl_legacy_fill_probe_req(struct iwl_priv *priv,
447 struct ieee80211_mgmt *frame,
448 const u8 *ta, const u8 *ie, int ie_len, int left);
449 void iwl_legacy_setup_rx_scan_handlers(struct iwl_priv *priv);
450 u16 iwl_legacy_get_active_dwell_time(struct iwl_priv *priv,
451 enum ieee80211_band band,
452 u8 n_probes);
453 u16 iwl_legacy_get_passive_dwell_time(struct iwl_priv *priv,
454 enum ieee80211_band band,
455 struct ieee80211_vif *vif);
456 void iwl_legacy_setup_scan_deferred_work(struct iwl_priv *priv);
457 void iwl_legacy_cancel_scan_deferred_work(struct iwl_priv *priv);
458
459 /* For faster active scanning, scan will move to the next channel if fewer than
460 * PLCP_QUIET_THRESH packets are heard on this channel within
461 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
462 * time if it's a quiet channel (nothing responded to our probe, and there's
463 * no other traffic).
464 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
465 #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
466 #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
467
468 #define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)
469
470 /*****************************************************
471 * S e n d i n g H o s t C o m m a n d s *
472 *****************************************************/
473
474 const char *iwl_legacy_get_cmd_string(u8 cmd);
475 int __must_check iwl_legacy_send_cmd_sync(struct iwl_priv *priv,
476 struct iwl_host_cmd *cmd);
477 int iwl_legacy_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
478 int __must_check iwl_legacy_send_cmd_pdu(struct iwl_priv *priv, u8 id,
479 u16 len, const void *data);
480 int iwl_legacy_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
481 const void *data,
482 void (*callback)(struct iwl_priv *priv,
483 struct iwl_device_cmd *cmd,
484 struct iwl_rx_packet *pkt));
485
486 int iwl_legacy_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
487
488
489 /*****************************************************
490 * PCI *
491 *****************************************************/
492
iwl_legacy_pcie_link_ctl(struct iwl_priv * priv)493 static inline u16 iwl_legacy_pcie_link_ctl(struct iwl_priv *priv)
494 {
495 int pos;
496 u16 pci_lnk_ctl;
497 pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP);
498 pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
499 return pci_lnk_ctl;
500 }
501
502 void iwl_legacy_bg_watchdog(unsigned long data);
503 u32 iwl_legacy_usecs_to_beacons(struct iwl_priv *priv,
504 u32 usec, u32 beacon_interval);
505 __le32 iwl_legacy_add_beacon_time(struct iwl_priv *priv, u32 base,
506 u32 addon, u32 beacon_interval);
507
508 #ifdef CONFIG_PM
509 int iwl_legacy_pci_suspend(struct device *device);
510 int iwl_legacy_pci_resume(struct device *device);
511 extern const struct dev_pm_ops iwl_legacy_pm_ops;
512
513 #define IWL_LEGACY_PM_OPS (&iwl_legacy_pm_ops)
514
515 #else /* !CONFIG_PM */
516
517 #define IWL_LEGACY_PM_OPS NULL
518
519 #endif /* !CONFIG_PM */
520
521 /*****************************************************
522 * Error Handling Debugging
523 ******************************************************/
524 void iwl4965_dump_nic_error_log(struct iwl_priv *priv);
525 int iwl4965_dump_nic_event_log(struct iwl_priv *priv,
526 bool full_log, char **buf, bool display);
527 #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
528 void iwl_legacy_print_rx_config_cmd(struct iwl_priv *priv,
529 struct iwl_rxon_context *ctx);
530 #else
iwl_legacy_print_rx_config_cmd(struct iwl_priv * priv,struct iwl_rxon_context * ctx)531 static inline void iwl_legacy_print_rx_config_cmd(struct iwl_priv *priv,
532 struct iwl_rxon_context *ctx)
533 {
534 }
535 #endif
536
537 void iwl_legacy_clear_isr_stats(struct iwl_priv *priv);
538
539 /*****************************************************
540 * GEOS
541 ******************************************************/
542 int iwl_legacy_init_geos(struct iwl_priv *priv);
543 void iwl_legacy_free_geos(struct iwl_priv *priv);
544
545 /*************** DRIVER STATUS FUNCTIONS *****/
546
547 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
548 /* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
549 #define STATUS_INT_ENABLED 2
550 #define STATUS_RF_KILL_HW 3
551 #define STATUS_CT_KILL 4
552 #define STATUS_INIT 5
553 #define STATUS_ALIVE 6
554 #define STATUS_READY 7
555 #define STATUS_TEMPERATURE 8
556 #define STATUS_GEO_CONFIGURED 9
557 #define STATUS_EXIT_PENDING 10
558 #define STATUS_STATISTICS 12
559 #define STATUS_SCANNING 13
560 #define STATUS_SCAN_ABORTING 14
561 #define STATUS_SCAN_HW 15
562 #define STATUS_POWER_PMI 16
563 #define STATUS_FW_ERROR 17
564
565
iwl_legacy_is_ready(struct iwl_priv * priv)566 static inline int iwl_legacy_is_ready(struct iwl_priv *priv)
567 {
568 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
569 * set but EXIT_PENDING is not */
570 return test_bit(STATUS_READY, &priv->status) &&
571 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
572 !test_bit(STATUS_EXIT_PENDING, &priv->status);
573 }
574
iwl_legacy_is_alive(struct iwl_priv * priv)575 static inline int iwl_legacy_is_alive(struct iwl_priv *priv)
576 {
577 return test_bit(STATUS_ALIVE, &priv->status);
578 }
579
iwl_legacy_is_init(struct iwl_priv * priv)580 static inline int iwl_legacy_is_init(struct iwl_priv *priv)
581 {
582 return test_bit(STATUS_INIT, &priv->status);
583 }
584
iwl_legacy_is_rfkill_hw(struct iwl_priv * priv)585 static inline int iwl_legacy_is_rfkill_hw(struct iwl_priv *priv)
586 {
587 return test_bit(STATUS_RF_KILL_HW, &priv->status);
588 }
589
iwl_legacy_is_rfkill(struct iwl_priv * priv)590 static inline int iwl_legacy_is_rfkill(struct iwl_priv *priv)
591 {
592 return iwl_legacy_is_rfkill_hw(priv);
593 }
594
iwl_legacy_is_ctkill(struct iwl_priv * priv)595 static inline int iwl_legacy_is_ctkill(struct iwl_priv *priv)
596 {
597 return test_bit(STATUS_CT_KILL, &priv->status);
598 }
599
iwl_legacy_is_ready_rf(struct iwl_priv * priv)600 static inline int iwl_legacy_is_ready_rf(struct iwl_priv *priv)
601 {
602
603 if (iwl_legacy_is_rfkill(priv))
604 return 0;
605
606 return iwl_legacy_is_ready(priv);
607 }
608
609 extern void iwl_legacy_send_bt_config(struct iwl_priv *priv);
610 extern int iwl_legacy_send_statistics_request(struct iwl_priv *priv,
611 u8 flags, bool clear);
612 void iwl_legacy_apm_stop(struct iwl_priv *priv);
613 int iwl_legacy_apm_init(struct iwl_priv *priv);
614
615 int iwl_legacy_send_rxon_timing(struct iwl_priv *priv,
616 struct iwl_rxon_context *ctx);
iwl_legacy_send_rxon_assoc(struct iwl_priv * priv,struct iwl_rxon_context * ctx)617 static inline int iwl_legacy_send_rxon_assoc(struct iwl_priv *priv,
618 struct iwl_rxon_context *ctx)
619 {
620 return priv->cfg->ops->hcmd->rxon_assoc(priv, ctx);
621 }
iwl_legacy_commit_rxon(struct iwl_priv * priv,struct iwl_rxon_context * ctx)622 static inline int iwl_legacy_commit_rxon(struct iwl_priv *priv,
623 struct iwl_rxon_context *ctx)
624 {
625 return priv->cfg->ops->hcmd->commit_rxon(priv, ctx);
626 }
iwl_get_hw_mode(struct iwl_priv * priv,enum ieee80211_band band)627 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
628 struct iwl_priv *priv, enum ieee80211_band band)
629 {
630 return priv->hw->wiphy->bands[band];
631 }
632
633 /* mac80211 handlers */
634 int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed);
635 void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw);
636 void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw,
637 struct ieee80211_vif *vif,
638 struct ieee80211_bss_conf *bss_conf,
639 u32 changes);
640 void iwl_legacy_tx_cmd_protection(struct iwl_priv *priv,
641 struct ieee80211_tx_info *info,
642 __le16 fc, __le32 *tx_flags);
643
644 irqreturn_t iwl_legacy_isr(int irq, void *data);
645
646 #endif /* __iwl_legacy_core_h__ */
647