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 "1.2.26k"
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);
99 /* set hw dependant perameters */
100 int (*set_hw_params)(struct iwl_priv *priv);
101 /* ucode shared memory */
102 int (*alloc_shared_mem)(struct iwl_priv *priv);
103 void (*free_shared_mem)(struct iwl_priv *priv);
104 int (*shared_mem_rx_idx)(struct iwl_priv *priv);
106 void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
107 struct iwl_tx_queue *txq,
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);
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,
117 /* setup Rx handler */
118 void (*rx_handler_setup)(struct iwl_priv *priv);
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);
123 /* alive notification after init uCode load */
124 void (*init_alive_start)(struct iwl_priv *priv);
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);
130 int (*load_ucode)(struct iwl_priv *priv);
132 int (*radio_kill_sw)(struct iwl_priv *priv, int disable_radio);
133 /* power management */
135 int (*init)(struct iwl_priv *priv);
136 int (*reset)(struct iwl_priv *priv);
137 void (*stop)(struct iwl_priv *priv);
138 void (*config)(struct iwl_priv *priv);
139 int (*set_pwr_src)(struct iwl_priv *priv, enum iwl_pwr_src src);
142 int (*set_power)(struct iwl_priv *priv, void *cmd);
143 int (*send_tx_power) (struct iwl_priv *priv);
144 void (*update_chain_flags)(struct iwl_priv *priv);
145 /* eeprom operations (as defined in iwl-eeprom.h) */
146 struct iwl_eeprom_ops eeprom_ops;
150 const struct iwl_lib_ops *lib;
151 const struct iwl_hcmd_ops *hcmd;
152 const struct iwl_hcmd_utils_ops *utils;
155 struct iwl_mod_params {
156 int disable; /* def: 0 = enable radio */
157 int sw_crypto; /* def: 0 = using hardware encryption */
158 int debug; /* def: 0 = minimal debug log messages */
159 int disable_hw_scan; /* def: 0 = use h/w scan */
160 int num_of_queues; /* def: HW dependent */
161 int enable_qos; /* def: 1 = use quality of service */
162 int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
163 int antenna; /* def: 0 = both antennas (use diversity) */
164 int restart_fw; /* def: 1 = restart firmware */
172 const struct iwl_ops *ops;
173 const struct iwl_mod_params *mod_params;
176 /***************************
178 ***************************/
180 struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
181 struct ieee80211_ops *hw_ops);
182 void iwl_hw_detect(struct iwl_priv *priv);
184 void iwlcore_clear_stations_table(struct iwl_priv *priv);
185 void iwl_free_calib_results(struct iwl_priv *priv);
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,
189 enum ieee80211_band band,
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);
194 int iwl_hw_nic_init(struct iwl_priv *priv);
195 int iwl_setup_mac(struct iwl_priv *priv);
196 int iwl_init_drv(struct iwl_priv *priv);
197 void iwl_uninit_drv(struct iwl_priv *priv);
198 /* "keep warm" functions */
199 int iwl_kw_init(struct iwl_priv *priv);
200 int iwl_kw_alloc(struct iwl_priv *priv);
201 void iwl_kw_free(struct iwl_priv *priv);
203 /*****************************************************
205 ******************************************************/
206 void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
207 int iwl_rx_queue_alloc(struct iwl_priv *priv);
208 void iwl_rx_handle(struct iwl_priv *priv);
209 int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
210 struct iwl_rx_queue *q);
211 void iwl_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
212 void iwl_rx_replenish(struct iwl_priv *priv);
213 int iwl_rx_init(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
214 /* FIXME: remove when TX is moved to iwl core */
215 int iwl_rx_queue_restock(struct iwl_priv *priv);
216 int iwl_rx_queue_space(const struct iwl_rx_queue *q);
217 void iwl_rx_allocate(struct iwl_priv *priv);
218 void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
219 int iwl_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index);
221 void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
222 struct iwl_rx_mem_buffer *rxb);
226 /*****************************************************
228 ******************************************************/
229 int iwl_txq_ctx_reset(struct iwl_priv *priv);
230 int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
231 /* FIXME: remove when free Tx is fully merged into iwlcore */
232 int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
233 void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
234 int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
235 dma_addr_t addr, u16 len);
236 int iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
237 int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn);
238 int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid);
239 int iwl_txq_check_empty(struct iwl_priv *priv, int sta_id, u8 tid, int txq_id);
241 /*****************************************************
243 ****************************************************/
244 int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
246 /*****************************************************
247 * S e n d i n g H o s t C o m m a n d s *
248 *****************************************************/
250 const char *get_cmd_string(u8 cmd);
251 int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
252 struct iwl_host_cmd *cmd);
253 int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
254 int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
255 u16 len, const void *data);
256 int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
258 int (*callback)(struct iwl_priv *priv,
260 struct sk_buff *skb));
262 int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
264 /*****************************************************
265 * Error Handling Debugging
266 ******************************************************/
267 void iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
268 u32 num_events, u32 mode);
269 void iwl_dump_nic_error_log(struct iwl_priv *priv);
270 void iwl_dump_nic_event_log(struct iwl_priv *priv);
272 /*************** DRIVER STATUS FUNCTIONS *****/
274 #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
275 #define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
276 #define STATUS_INT_ENABLED 2
277 #define STATUS_RF_KILL_HW 3
278 #define STATUS_RF_KILL_SW 4
279 #define STATUS_INIT 5
280 #define STATUS_ALIVE 6
281 #define STATUS_READY 7
282 #define STATUS_TEMPERATURE 8
283 #define STATUS_GEO_CONFIGURED 9
284 #define STATUS_EXIT_PENDING 10
285 #define STATUS_IN_SUSPEND 11
286 #define STATUS_STATISTICS 12
287 #define STATUS_SCANNING 13
288 #define STATUS_SCAN_ABORTING 14
289 #define STATUS_SCAN_HW 15
290 #define STATUS_POWER_PMI 16
291 #define STATUS_FW_ERROR 17
292 #define STATUS_CONF_PENDING 18
293 #define STATUS_MODE_PENDING 19
296 static inline int iwl_is_ready(struct iwl_priv *priv)
298 /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
299 * set but EXIT_PENDING is not */
300 return test_bit(STATUS_READY, &priv->status) &&
301 test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
302 !test_bit(STATUS_EXIT_PENDING, &priv->status);
305 static inline int iwl_is_alive(struct iwl_priv *priv)
307 return test_bit(STATUS_ALIVE, &priv->status);
310 static inline int iwl_is_init(struct iwl_priv *priv)
312 return test_bit(STATUS_INIT, &priv->status);
315 static inline int iwl_is_rfkill(struct iwl_priv *priv)
317 return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
318 test_bit(STATUS_RF_KILL_SW, &priv->status);
321 static inline int iwl_is_ready_rf(struct iwl_priv *priv)
324 if (iwl_is_rfkill(priv))
327 return iwl_is_ready(priv);
331 enum iwlcore_card_notify {
332 IWLCORE_INIT_EVT = 0,
333 IWLCORE_START_EVT = 1,
334 IWLCORE_STOP_EVT = 2,
335 IWLCORE_REMOVE_EVT = 3,
338 int iwlcore_low_level_notify(struct iwl_priv *priv,
339 enum iwlcore_card_notify notify);
340 extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
341 extern int iwl_verify_ucode(struct iwl_priv *priv);
342 int iwl_send_lq_cmd(struct iwl_priv *priv,
343 struct iwl_link_quality_cmd *lq, u8 flags);
345 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
347 return priv->cfg->ops->hcmd->rxon_assoc(priv);
350 static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
351 struct iwl_priv *priv, enum ieee80211_band band)
353 return priv->hw->wiphy->bands[band];
356 #endif /* __iwl_core_h__ */