1 /******************************************************************************
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.
8 * Copyright(c) 2008 - 2009 Intel Corporation. All rights reserved.
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.
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.
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,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
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
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.
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 *****************************************************************************/
63 #ifndef __iwl_core_h__
64 #define __iwl_core_h__
66 /************************
67 * forward declarations *
68 ************************/
73 #define IWLWIFI_VERSION "1.3.27k"
74 #define DRV_COPYRIGHT "Copyright(c) 2003-2009 Intel Corporation"
75 #define DRV_AUTHOR "<ilw@linux.intel.com>"
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)
87 int (*rxon_assoc)(struct iwl_priv *priv);
89 struct iwl_hcmd_utils_ops {
90 u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
91 u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
92 void (*gain_computation)(struct iwl_priv *priv,
94 u16 min_average_noise_antennat_i,
95 u32 min_average_noise);
96 void (*chain_noise_reset)(struct iwl_priv *priv);
97 void (*rts_tx_cmd_flag)(struct ieee80211_tx_info *info,
99 int (*calc_rssi)(struct iwl_priv *priv,
100 struct iwl_rx_phy_res *rx_resp);
104 /* set hw dependent parameters */
105 int (*set_hw_params)(struct iwl_priv *priv);
107 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
108 struct iwl_tx_queue *txq,
110 void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
111 struct iwl_tx_queue *txq);
112 void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
113 int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
114 struct iwl_tx_queue *txq,
116 u16 len, u8 reset, u8 pad);
117 void (*txq_free_tfd)(struct iwl_priv *priv,
118 struct iwl_tx_queue *txq);
119 int (*txq_init)(struct iwl_priv *priv,
120 struct iwl_tx_queue *txq);
122 int (*txq_agg_enable)(struct iwl_priv *priv, int txq_id, int tx_fifo,
123 int sta_id, int tid, u16 ssn_idx);
124 int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx,
126 /* setup Rx handler */
127 void (*rx_handler_setup)(struct iwl_priv *priv);
128 /* setup deferred work */
129 void (*setup_deferred_work)(struct iwl_priv *priv);
130 /* cancel deferred work */
131 void (*cancel_deferred_work)(struct iwl_priv *priv);
132 /* alive notification after init uCode load */
133 void (*init_alive_start)(struct iwl_priv *priv);
134 /* alive notification */
135 int (*alive_notify)(struct iwl_priv *priv);
136 /* check validity of rtc data address */
137 int (*is_valid_rtc_data_addr)(u32 addr);
139 int (*load_ucode)(struct iwl_priv *priv);
140 /* power management */
142 int (*init)(struct iwl_priv *priv);
143 int (*reset)(struct iwl_priv *priv);
144 void (*stop)(struct iwl_priv *priv);
145 void (*config)(struct iwl_priv *priv);
146 int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
149 int (*send_tx_power) (struct iwl_priv *priv);
150 void (*update_chain_flags)(struct iwl_priv *priv);
151 void (*temperature) (struct iwl_priv *priv);
152 /* eeprom operations (as defined in iwl-eeprom.h) */
153 struct iwl_eeprom_ops eeprom_ops;
157 const struct iwl_lib_ops *lib;
158 const struct iwl_hcmd_ops *hcmd;
159 const struct iwl_hcmd_utils_ops *utils;
162 struct iwl_mod_params {
163 int disable; /* def: 0 = enable radio */
164 int sw_crypto; /* def: 0 = using hardware encryption */
165 u32 debug; /* def: 0 = minimal debug log messages */
166 int disable_hw_scan; /* def: 0 = use h/w scan */
167 int num_of_queues; /* def: HW dependent */
168 int num_of_ampdu_queues;/* def: HW dependent */
169 int disable_11n; /* def: 0 = disable 11n capabilities */
170 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
171 int antenna; /* def: 0 = both antennas (use diversity) */
172 int restart_fw; /* def: 1 = restart firmware */
177 * @fw_name_pre: Firmware filename prefix. The api version and extension
178 * (.ucode) will be added to filename before loading from disk. The
179 * filename is constructed as fw_name_pre<api>.ucode.
180 * @ucode_api_max: Highest version of uCode API supported by driver.
181 * @ucode_api_min: Lowest version of uCode API supported by driver.
183 * We enable the driver to be backward compatible wrt API version. The
184 * driver specifies which APIs it supports (with @ucode_api_max being the
185 * highest and @ucode_api_min the lowest). Firmware will only be loaded if
186 * it has a supported API version. The firmware's API version will be
187 * stored in @iwl_priv, enabling the driver to make runtime changes based
188 * on firmware version used.
191 * if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
192 * Driver interacts with Firmware API version >= 2.
194 * Driver interacts with Firmware API version 1.
197 * The ideal usage of this infrastructure is to treat a new ucode API
198 * release as a new hardware revision. That is, through utilizing the
199 * iwl_hcmd_utils_ops etc. we accommodate different command structures
200 * and flows between hardware versions (4965/5000) as well as their API
205 const char *fw_name_pre;
206 const unsigned int ucode_api_max;
207 const unsigned int ucode_api_min;
211 u16 eeprom_calib_ver;
212 const struct iwl_ops *ops;
213 const struct iwl_mod_params *mod_params;
216 /***************************
218 ***************************/
220 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
221 struct ieee80211_ops *hw_ops);
222 void iwl_hw_detect(struct iwl_priv *priv);
223 void iwl_reset_qos(struct iwl_priv *priv);
224 void iwl_set_rxon_chain(struct iwl_priv *priv);
225 int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch);
226 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
227 u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
228 struct ieee80211_sta_ht_cap *sta_ht_inf);
229 int iwl_hw_nic_init(struct iwl_priv *priv);
230 int iwl_setup_mac(struct iwl_priv *priv);
231 int iwl_set_hw_params(struct iwl_priv *priv);
232 int iwl_init_drv(struct iwl_priv *priv);
233 void iwl_uninit_drv(struct iwl_priv *priv);
235 /*****************************************************
237 ******************************************************/
238 void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
239 int iwl_rx_queue_alloc(struct iwl_priv *priv);
240 void iwl_rx_handle(struct iwl_priv *priv);
241 int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
242 struct iwl_rx_queue *q);
243 void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
244 void iwl_rx_replenish(struct iwl_priv *priv);
245 int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
246 int iwl_rx_queue_restock(struct iwl_priv *priv);
247 int iwl_rx_queue_space(const struct iwl_rx_queue *q);
248 void iwl_rx_allocate(struct iwl_priv *priv);
249 void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
250 int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
252 void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
253 struct iwl_rx_mem_buffer *rxb);
254 void iwl_rx_statistics(struct iwl_priv *priv,
255 struct iwl_rx_mem_buffer *rxb);
259 /*****************************************************
261 ******************************************************/
262 int iwl_txq_ctx_reset(struct iwl_priv *priv);
263 void iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
264 int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv,
265 struct iwl_tx_queue *txq,
266 dma_addr_t addr, u16 len, u8 reset, u8 pad);
267 int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
268 void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
269 int iwl_hw_tx_queue_init(struct iwl_priv *priv,
270 struct iwl_tx_queue *txq);
271 int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
272 int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
273 int slots_num, u32 txq_id);
274 void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id);
275 int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn);
276 int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid);
277 int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
278 /*****************************************************
280 ****************************************************/
281 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
283 /*****************************************************
284 * RF -Kill - here and not in iwl-rfkill.h to be available when
285 * RF-kill subsystem is not compiled.
286 ****************************************************/
287 void iwl_bg_rf_kill(struct work_struct *work);
288 void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv);
289 int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv);
291 /*******************************************************************************
293 ******************************************************************************/
295 void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
296 struct ieee80211_tx_info *info);
297 int iwl_hwrate_to_plcp_idx(u32 rate_n_flags);
299 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx);
301 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
303 return BIT(ant_idx) << RATE_MCS_ANT_POS;
306 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
308 return le32_to_cpu(rate_n_flags) & 0xFF;
310 static inline u32 iwl_hw_get_rate_n_flags(__le32 rate_n_flags)
312 return le32_to_cpu(rate_n_flags) & 0x1FFFF;
314 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
316 return cpu_to_le32(flags|(u32)rate);
319 /*******************************************************************************
321 ******************************************************************************/
322 void iwl_init_scan_params(struct iwl_priv *priv);
323 int iwl_scan_cancel(struct iwl_priv *priv);
324 int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
325 int iwl_scan_initiate(struct iwl_priv *priv);
326 u16 iwl_fill_probe_req(struct iwl_priv *priv, enum ieee80211_band band,
327 struct ieee80211_mgmt *frame, int left);
328 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
329 u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
330 enum ieee80211_band band,
332 u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
333 enum ieee80211_band band);
334 void iwl_bg_scan_check(struct work_struct *data);
335 void iwl_bg_abort_scan(struct work_struct *work);
336 void iwl_bg_scan_completed(struct work_struct *work);
337 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
339 /* For faster active scanning, scan will move to the next channel if fewer than
340 * PLCP_QUIET_THRESH packets are heard on this channel within
341 * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
342 * time if it's a quiet channel (nothing responded to our probe, and there's
344 * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
345 #define IWL_ACTIVE_QUIET_TIME __constant_cpu_to_le16(10) /* msec */
346 #define IWL_PLCP_QUIET_THRESH __constant_cpu_to_le16(1) /* packets */
348 #define IWL_SCAN_PROBE_MASK(n) cpu_to_le32((BIT(n) | (BIT(n) - BIT(1))))
350 /*******************************************************************************
351 * Calibrations - implemented in iwl-calib.c
352 ******************************************************************************/
353 int iwl_send_calib_results(struct iwl_priv *priv);
354 int iwl_calib_set(struct iwl_calib_result *res, const u8 *buf, int len);
355 void iwl_calib_free_results(struct iwl_priv *priv);
357 /*******************************************************************************
358 * Spectrum Measureemtns in iwl-spectrum.c
359 ******************************************************************************/
360 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
361 void iwl_setup_spectrum_handlers(struct iwl_priv *priv);
363 static inline void iwl_setup_spectrum_handlers(struct iwl_priv *priv) {}
365 /*****************************************************
366 * S e n d i n g H o s t C o m m a n d s *
367 *****************************************************/
369 const char *get_cmd_string(u8 cmd);
370 int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
371 struct iwl_host_cmd *cmd);
372 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
373 int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
374 u16 len, const void *data);
375 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
377 int (*callback)(struct iwl_priv *priv,
379 struct sk_buff *skb));
381 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
383 int iwl_send_card_state(struct iwl_priv *priv, u32 flags,
386 /*****************************************************
388 *****************************************************/
389 void iwl_disable_interrupts(struct iwl_priv *priv);
390 void iwl_enable_interrupts(struct iwl_priv *priv);
392 /*****************************************************
393 * Error Handling Debugging
394 ******************************************************/
395 void iwl_dump_nic_error_log(struct iwl_priv *priv);
396 void iwl_dump_nic_event_log(struct iwl_priv *priv);
398 /*****************************************************
400 ******************************************************/
401 int iwlcore_init_geos(struct iwl_priv *priv);
402 void iwlcore_free_geos(struct iwl_priv *priv);
404 /*************** DRIVER STATUS FUNCTIONS *****/
406 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
407 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
408 #define STATUS_INT_ENABLED 2
409 #define STATUS_RF_KILL_HW 3
410 #define STATUS_RF_KILL_SW 4
411 #define STATUS_INIT 5
412 #define STATUS_ALIVE 6
413 #define STATUS_READY 7
414 #define STATUS_TEMPERATURE 8
415 #define STATUS_GEO_CONFIGURED 9
416 #define STATUS_EXIT_PENDING 10
417 #define STATUS_IN_SUSPEND 11
418 #define STATUS_STATISTICS 12
419 #define STATUS_SCANNING 13
420 #define STATUS_SCAN_ABORTING 14
421 #define STATUS_SCAN_HW 15
422 #define STATUS_POWER_PMI 16
423 #define STATUS_FW_ERROR 17
424 #define STATUS_MODE_PENDING 18
427 static inline int iwl_is_ready(struct iwl_priv *priv)
429 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
430 * set but EXIT_PENDING is not */
431 return test_bit(STATUS_READY, &priv->status) &&
432 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
433 !test_bit(STATUS_EXIT_PENDING, &priv->status);
436 static inline int iwl_is_alive(struct iwl_priv *priv)
438 return test_bit(STATUS_ALIVE, &priv->status);
441 static inline int iwl_is_init(struct iwl_priv *priv)
443 return test_bit(STATUS_INIT, &priv->status);
446 static inline int iwl_is_rfkill_sw(struct iwl_priv *priv)
448 return test_bit(STATUS_RF_KILL_SW, &priv->status);
451 static inline int iwl_is_rfkill_hw(struct iwl_priv *priv)
453 return test_bit(STATUS_RF_KILL_HW, &priv->status);
456 static inline int iwl_is_rfkill(struct iwl_priv *priv)
458 return iwl_is_rfkill_hw(priv) || iwl_is_rfkill_sw(priv);
461 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
464 if (iwl_is_rfkill(priv))
467 return iwl_is_ready(priv);
470 extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
471 extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
472 extern int iwl_verify_ucode(struct iwl_priv *priv);
473 extern int iwl_send_lq_cmd(struct iwl_priv *priv,
474 struct iwl_link_quality_cmd *lq, u8 flags);
475 extern void iwl_rx_reply_rx(struct iwl_priv *priv,
476 struct iwl_rx_mem_buffer *rxb);
477 extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
478 struct iwl_rx_mem_buffer *rxb);
479 void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
480 struct iwl_rx_mem_buffer *rxb);
482 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
484 return priv->cfg->ops->hcmd->rxon_assoc(priv);
487 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
488 struct iwl_priv *priv, enum ieee80211_band band)
490 return priv->hw->wiphy->bands[band];
493 #endif /* __iwl_core_h__ */