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 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 * Tomas Winkler <tomas.winkler@intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2008 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) 2003-2008 Intel Corporation"
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)
86 int (*rxon_assoc)(struct iwl_priv *priv);
88 struct iwl_hcmd_utils_ops {
89 u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
90 u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
91 void (*gain_computation)(struct iwl_priv *priv,
93 u16 min_average_noise_antennat_i,
94 u32 min_average_noise);
95 void (*chain_noise_reset)(struct iwl_priv *priv);
96 void (*rts_tx_cmd_flag)(struct ieee80211_tx_info *info,
98 int (*calc_rssi)(struct iwl_priv *priv,
99 struct iwl_rx_phy_res *rx_resp);
103 /* set hw dependant perameters */
104 int (*set_hw_params)(struct iwl_priv *priv);
105 /* ucode shared memory */
106 int (*alloc_shared_mem)(struct iwl_priv *priv);
107 void (*free_shared_mem)(struct iwl_priv *priv);
108 int (*shared_mem_rx_idx)(struct iwl_priv *priv);
110 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
111 struct iwl_tx_queue *txq,
113 void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
114 struct iwl_tx_queue *txq);
115 void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
117 int (*txq_agg_enable)(struct iwl_priv *priv, int txq_id, int tx_fifo,
118 int sta_id, int tid, u16 ssn_idx);
119 int (*txq_agg_disable)(struct iwl_priv *priv, u16 txq_id, u16 ssn_idx,
121 /* setup Rx handler */
122 void (*rx_handler_setup)(struct iwl_priv *priv);
123 /* setup deferred work */
124 void (*setup_deferred_work)(struct iwl_priv *priv);
125 /* cancel deferred work */
126 void (*cancel_deferred_work)(struct iwl_priv *priv);
127 /* alive notification after init uCode load */
128 void (*init_alive_start)(struct iwl_priv *priv);
129 /* alive notification */
130 int (*alive_notify)(struct iwl_priv *priv);
131 /* check validity of rtc data address */
132 int (*is_valid_rtc_data_addr)(u32 addr);
134 int (*load_ucode)(struct iwl_priv *priv);
135 /* power management */
137 int (*init)(struct iwl_priv *priv);
138 int (*reset)(struct iwl_priv *priv);
139 void (*stop)(struct iwl_priv *priv);
140 void (*config)(struct iwl_priv *priv);
141 int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
144 int (*send_tx_power) (struct iwl_priv *priv);
145 void (*update_chain_flags)(struct iwl_priv *priv);
146 void (*temperature) (struct iwl_priv *priv);
147 /* eeprom operations (as defined in iwl-eeprom.h) */
148 struct iwl_eeprom_ops eeprom_ops;
152 const struct iwl_lib_ops *lib;
153 const struct iwl_hcmd_ops *hcmd;
154 const struct iwl_hcmd_utils_ops *utils;
157 struct iwl_mod_params {
158 int disable; /* def: 0 = enable radio */
159 int sw_crypto; /* def: 0 = using hardware encryption */
160 int debug; /* def: 0 = minimal debug log messages */
161 int disable_hw_scan; /* def: 0 = use h/w scan */
162 int num_of_queues; /* def: HW dependent */
163 int num_of_ampdu_queues;/* def: HW dependent */
164 int enable_qos; /* def: 1 = use quality of service */
165 int disable_11n; /* def: 0 = disable 11n capabilities */
166 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
167 int antenna; /* def: 0 = both antennas (use diversity) */
168 int restart_fw; /* def: 1 = restart firmware */
176 const struct iwl_ops *ops;
177 const struct iwl_mod_params *mod_params;
180 /***************************
182 ***************************/
184 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
185 struct ieee80211_ops *hw_ops);
186 void iwl_hw_detect(struct iwl_priv *priv);
188 void iwl_clear_stations_table(struct iwl_priv *priv);
189 void iwl_free_calib_results(struct iwl_priv *priv);
190 void iwl_reset_qos(struct iwl_priv *priv);
191 void iwl_set_rxon_chain(struct iwl_priv *priv);
192 int iwl_set_rxon_channel(struct iwl_priv *priv,
193 enum ieee80211_band band,
195 void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info);
196 u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
197 struct ieee80211_ht_info *sta_ht_inf);
198 int iwl_hw_nic_init(struct iwl_priv *priv);
199 int iwl_setup_mac(struct iwl_priv *priv);
200 int iwl_set_hw_params(struct iwl_priv *priv);
201 int iwl_init_drv(struct iwl_priv *priv);
202 void iwl_uninit_drv(struct iwl_priv *priv);
203 /* "keep warm" functions */
204 int iwl_kw_init(struct iwl_priv *priv);
205 int iwl_kw_alloc(struct iwl_priv *priv);
206 void iwl_kw_free(struct iwl_priv *priv);
208 /*****************************************************
210 ******************************************************/
211 void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
212 int iwl_rx_queue_alloc(struct iwl_priv *priv);
213 void iwl_rx_handle(struct iwl_priv *priv);
214 int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
215 struct iwl_rx_queue *q);
216 void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
217 void iwl_rx_replenish(struct iwl_priv *priv);
218 int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
219 int iwl_rx_agg_start(struct iwl_priv *priv, const u8 *addr, int tid, u16 ssn);
220 int iwl_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid);
221 /* FIXME: remove when TX is moved to iwl core */
222 int iwl_rx_queue_restock(struct iwl_priv *priv);
223 int iwl_rx_queue_space(const struct iwl_rx_queue *q);
224 void iwl_rx_allocate(struct iwl_priv *priv);
225 void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
226 int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
228 void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
229 struct iwl_rx_mem_buffer *rxb);
230 void iwl_rx_statistics(struct iwl_priv *priv,
231 struct iwl_rx_mem_buffer *rxb);
235 /*****************************************************
237 ******************************************************/
238 int iwl_txq_ctx_reset(struct iwl_priv *priv);
239 int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
240 /* FIXME: remove when free Tx is fully merged into iwlcore */
241 int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
242 void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
243 int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
244 dma_addr_t addr, u16 len);
245 int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
246 int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn);
247 int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid);
248 int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
250 /*****************************************************
252 ****************************************************/
253 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
255 /*****************************************************
256 * RF -Kill - here and not in iwl-rfkill.h to be available when
257 * RF-kill subsystem is not compiled.
258 ****************************************************/
259 void iwl_radio_kill_sw_disable_radio(struct iwl_priv *priv);
260 int iwl_radio_kill_sw_enable_radio(struct iwl_priv *priv);
262 /*******************************************************************************
264 ******************************************************************************/
266 void iwl_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
267 struct ieee80211_tx_info *info);
268 int iwl_hwrate_to_plcp_idx(u32 rate_n_flags);
270 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
272 return le32_to_cpu(rate_n_flags) & 0xFF;
274 static inline u32 iwl_hw_get_rate_n_flags(__le32 rate_n_flags)
276 return le32_to_cpu(rate_n_flags) & 0x1FFFF;
278 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
280 return cpu_to_le32(flags|(u32)rate);
283 /*******************************************************************************
285 ******************************************************************************/
286 void iwl_init_scan_params(struct iwl_priv *priv);
287 int iwl_scan_cancel(struct iwl_priv *priv);
288 int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
289 const char *iwl_escape_essid(const char *essid, u8 essid_len);
290 int iwl_scan_initiate(struct iwl_priv *priv);
291 void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
292 void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
294 /*****************************************************
295 * S e n d i n g H o s t C o m m a n d s *
296 *****************************************************/
298 const char *get_cmd_string(u8 cmd);
299 int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
300 struct iwl_host_cmd *cmd);
301 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
302 int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
303 u16 len, const void *data);
304 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
306 int (*callback)(struct iwl_priv *priv,
308 struct sk_buff *skb));
310 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
312 /*****************************************************
313 * Error Handling Debugging
314 ******************************************************/
315 void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
316 u32 num_events, u32 mode);
317 void iwl_dump_nic_error_log(struct iwl_priv *priv);
318 void iwl_dump_nic_event_log(struct iwl_priv *priv);
320 /*************** DRIVER STATUS FUNCTIONS *****/
322 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
323 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
324 #define STATUS_INT_ENABLED 2
325 #define STATUS_RF_KILL_HW 3
326 #define STATUS_RF_KILL_SW 4
327 #define STATUS_INIT 5
328 #define STATUS_ALIVE 6
329 #define STATUS_READY 7
330 #define STATUS_TEMPERATURE 8
331 #define STATUS_GEO_CONFIGURED 9
332 #define STATUS_EXIT_PENDING 10
333 #define STATUS_IN_SUSPEND 11
334 #define STATUS_STATISTICS 12
335 #define STATUS_SCANNING 13
336 #define STATUS_SCAN_ABORTING 14
337 #define STATUS_SCAN_HW 15
338 #define STATUS_POWER_PMI 16
339 #define STATUS_FW_ERROR 17
340 #define STATUS_CONF_PENDING 18
341 #define STATUS_MODE_PENDING 19
344 static inline int iwl_is_ready(struct iwl_priv *priv)
346 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
347 * set but EXIT_PENDING is not */
348 return test_bit(STATUS_READY, &priv->status) &&
349 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
350 !test_bit(STATUS_EXIT_PENDING, &priv->status);
353 static inline int iwl_is_alive(struct iwl_priv *priv)
355 return test_bit(STATUS_ALIVE, &priv->status);
358 static inline int iwl_is_init(struct iwl_priv *priv)
360 return test_bit(STATUS_INIT, &priv->status);
363 static inline int iwl_is_rfkill_sw(struct iwl_priv *priv)
365 return test_bit(STATUS_RF_KILL_SW, &priv->status);
368 static inline int iwl_is_rfkill_hw(struct iwl_priv *priv)
370 return test_bit(STATUS_RF_KILL_HW, &priv->status);
373 static inline int iwl_is_rfkill(struct iwl_priv *priv)
375 return iwl_is_rfkill_hw(priv) || iwl_is_rfkill_sw(priv);
378 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
381 if (iwl_is_rfkill(priv))
384 return iwl_is_ready(priv);
387 extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
388 extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
389 extern int iwl_verify_ucode(struct iwl_priv *priv);
390 extern int iwl_send_lq_cmd(struct iwl_priv *priv,
391 struct iwl_link_quality_cmd *lq, u8 flags);
392 extern void iwl_rx_reply_rx(struct iwl_priv *priv,
393 struct iwl_rx_mem_buffer *rxb);
394 extern void iwl_rx_reply_rx_phy(struct iwl_priv *priv,
395 struct iwl_rx_mem_buffer *rxb);
396 void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
397 struct iwl_rx_mem_buffer *rxb);
399 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
401 return priv->cfg->ops->hcmd->rxon_assoc(priv);
404 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
405 struct iwl_priv *priv, enum ieee80211_band band)
407 return priv->hw->wiphy->bands[band];
410 #endif /* __iwl_core_h__ */