iwl-core.h 23 KB

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  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. #ifndef __iwl_core_h__
  63. #define __iwl_core_h__
  64. #include "iwl-dev.h"
  65. /************************
  66. * forward declarations *
  67. ************************/
  68. struct iwl_host_cmd;
  69. struct iwl_cmd;
  70. #define IWLWIFI_VERSION "in-tree:"
  71. #define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation"
  72. #define DRV_AUTHOR "<ilw@linux.intel.com>"
  73. #define IWL_PCI_DEVICE(dev, subdev, cfg) \
  74. .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
  75. .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
  76. .driver_data = (kernel_ulong_t)&(cfg)
  77. #define TIME_UNIT 1024
  78. #define IWL_SKU_G 0x1
  79. #define IWL_SKU_A 0x2
  80. #define IWL_SKU_N 0x8
  81. #define IWL_CMD(x) case x: return #x
  82. struct iwl_hcmd_ops {
  83. int (*commit_rxon)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
  84. void (*set_rxon_chain)(struct iwl_priv *priv,
  85. struct iwl_rxon_context *ctx);
  86. int (*set_tx_ant)(struct iwl_priv *priv, u8 valid_tx_ant);
  87. void (*send_bt_config)(struct iwl_priv *priv);
  88. int (*set_pan_params)(struct iwl_priv *priv);
  89. };
  90. struct iwl_hcmd_utils_ops {
  91. u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
  92. u16 (*build_addsta_hcmd)(const struct iwl_addsta_cmd *cmd, u8 *data);
  93. void (*gain_computation)(struct iwl_priv *priv,
  94. u32 *average_noise,
  95. u16 min_average_noise_antennat_i,
  96. u32 min_average_noise,
  97. u8 default_chain);
  98. void (*chain_noise_reset)(struct iwl_priv *priv);
  99. void (*tx_cmd_protection)(struct iwl_priv *priv,
  100. struct ieee80211_tx_info *info,
  101. __le16 fc, __le32 *tx_flags);
  102. int (*calc_rssi)(struct iwl_priv *priv,
  103. struct iwl_rx_phy_res *rx_resp);
  104. int (*request_scan)(struct iwl_priv *priv, struct ieee80211_vif *vif);
  105. void (*post_scan)(struct iwl_priv *priv);
  106. };
  107. struct iwl_apm_ops {
  108. int (*init)(struct iwl_priv *priv);
  109. void (*config)(struct iwl_priv *priv);
  110. };
  111. struct iwl_temp_ops {
  112. void (*temperature)(struct iwl_priv *priv);
  113. };
  114. struct iwl_lib_ops {
  115. /* set hw dependent parameters */
  116. int (*set_hw_params)(struct iwl_priv *priv);
  117. /* Handling TX */
  118. void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
  119. struct iwl_tx_queue *txq,
  120. u16 byte_cnt);
  121. void (*txq_inval_byte_cnt_tbl)(struct iwl_priv *priv,
  122. struct iwl_tx_queue *txq);
  123. void (*txq_set_sched)(struct iwl_priv *priv, u32 mask);
  124. int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
  125. struct iwl_tx_queue *txq,
  126. dma_addr_t addr,
  127. u16 len, u8 reset, u8 pad);
  128. void (*txq_free_tfd)(struct iwl_priv *priv,
  129. struct iwl_tx_queue *txq);
  130. int (*txq_init)(struct iwl_priv *priv,
  131. struct iwl_tx_queue *txq);
  132. /* setup Rx handler */
  133. void (*rx_handler_setup)(struct iwl_priv *priv);
  134. /* setup deferred work */
  135. void (*setup_deferred_work)(struct iwl_priv *priv);
  136. /* cancel deferred work */
  137. void (*cancel_deferred_work)(struct iwl_priv *priv);
  138. /* check validity of rtc data address */
  139. int (*is_valid_rtc_data_addr)(u32 addr);
  140. int (*set_channel_switch)(struct iwl_priv *priv,
  141. struct ieee80211_channel_switch *ch_switch);
  142. /* power management */
  143. struct iwl_apm_ops apm_ops;
  144. /* power */
  145. int (*send_tx_power) (struct iwl_priv *priv);
  146. void (*update_chain_flags)(struct iwl_priv *priv);
  147. /* eeprom operations (as defined in iwl-eeprom.h) */
  148. struct iwl_eeprom_ops eeprom_ops;
  149. /* temperature */
  150. struct iwl_temp_ops temp_ops;
  151. int (*txfifo_flush)(struct iwl_priv *priv, u16 flush_control);
  152. void (*dev_txfifo_flush)(struct iwl_priv *priv, u16 flush_control);
  153. };
  154. /* NIC specific ops */
  155. struct iwl_nic_ops {
  156. void (*additional_nic_config)(struct iwl_priv *priv);
  157. };
  158. struct iwl_ops {
  159. const struct iwl_lib_ops *lib;
  160. const struct iwl_hcmd_ops *hcmd;
  161. const struct iwl_hcmd_utils_ops *utils;
  162. const struct iwl_nic_ops *nic;
  163. };
  164. struct iwl_mod_params {
  165. int sw_crypto; /* def: 0 = using hardware encryption */
  166. int num_of_queues; /* def: HW dependent */
  167. int disable_11n; /* def: 0 = 11n capabilities enabled */
  168. int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
  169. int antenna; /* def: 0 = both antennas (use diversity) */
  170. int restart_fw; /* def: 1 = restart firmware */
  171. bool plcp_check; /* def: true = enable plcp health check */
  172. bool ack_check; /* def: false = disable ack health check */
  173. };
  174. /*
  175. * @max_ll_items: max number of OTP blocks
  176. * @shadow_ram_support: shadow support for OTP memory
  177. * @led_compensation: compensate on the led on/off time per HW according
  178. * to the deviation to achieve the desired led frequency.
  179. * The detail algorithm is described in iwl-led.c
  180. * @chain_noise_num_beacons: number of beacons used to compute chain noise
  181. * @adv_thermal_throttle: support advance thermal throttle
  182. * @support_ct_kill_exit: support ct kill exit condition
  183. * @support_wimax_coexist: support wimax/wifi co-exist
  184. * @plcp_delta_threshold: plcp error rate threshold used to trigger
  185. * radio tuning when there is a high receiving plcp error rate
  186. * @chain_noise_scale: default chain noise scale used for gain computation
  187. * @wd_timeout: TX queues watchdog timeout
  188. * @temperature_kelvin: temperature report by uCode in kelvin
  189. * @max_event_log_size: size of event log buffer size for ucode event logging
  190. * @shadow_reg_enable: HW shadhow register bit
  191. */
  192. struct iwl_base_params {
  193. int eeprom_size;
  194. int num_of_queues; /* def: HW dependent */
  195. int num_of_ampdu_queues;/* def: HW dependent */
  196. /* for iwl_apm_init() */
  197. u32 pll_cfg_val;
  198. const u16 max_ll_items;
  199. const bool shadow_ram_support;
  200. u16 led_compensation;
  201. int chain_noise_num_beacons;
  202. bool adv_thermal_throttle;
  203. bool support_ct_kill_exit;
  204. const bool support_wimax_coexist;
  205. u8 plcp_delta_threshold;
  206. s32 chain_noise_scale;
  207. unsigned int wd_timeout;
  208. bool temperature_kelvin;
  209. u32 max_event_log_size;
  210. const bool shadow_reg_enable;
  211. };
  212. /*
  213. * @advanced_bt_coexist: support advanced bt coexist
  214. * @bt_init_traffic_load: specify initial bt traffic load
  215. * @bt_prio_boost: default bt priority boost value
  216. * @agg_time_limit: maximum number of uSec in aggregation
  217. * @ampdu_factor: Maximum A-MPDU length factor
  218. * @ampdu_density: Minimum A-MPDU spacing
  219. * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
  220. */
  221. struct iwl_bt_params {
  222. bool advanced_bt_coexist;
  223. u8 bt_init_traffic_load;
  224. u8 bt_prio_boost;
  225. u16 agg_time_limit;
  226. u8 ampdu_factor;
  227. u8 ampdu_density;
  228. bool bt_sco_disable;
  229. bool bt_session_2;
  230. };
  231. /*
  232. * @use_rts_for_aggregation: use rts/cts protection for HT traffic
  233. */
  234. struct iwl_ht_params {
  235. const bool ht_greenfield_support; /* if used set to true */
  236. bool use_rts_for_aggregation;
  237. };
  238. /**
  239. * struct iwl_cfg
  240. * @fw_name_pre: Firmware filename prefix. The api version and extension
  241. * (.ucode) will be added to filename before loading from disk. The
  242. * filename is constructed as fw_name_pre<api>.ucode.
  243. * @ucode_api_max: Highest version of uCode API supported by driver.
  244. * @ucode_api_min: Lowest version of uCode API supported by driver.
  245. * @pa_type: used by 6000 series only to identify the type of Power Amplifier
  246. * @need_dc_calib: need to perform init dc calibration
  247. * @need_temp_offset_calib: need to perform temperature offset calibration
  248. * @scan_antennas: available antenna for scan operation
  249. * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
  250. * @adv_pm: advance power management
  251. * @rx_with_siso_diversity: 1x1 device with rx antenna diversity
  252. * @internal_wimax_coex: internal wifi/wimax combo device
  253. * @iq_invert: I/Q inversion
  254. * @disable_otp_refresh: disable OTP refresh current limit
  255. *
  256. * We enable the driver to be backward compatible wrt API version. The
  257. * driver specifies which APIs it supports (with @ucode_api_max being the
  258. * highest and @ucode_api_min the lowest). Firmware will only be loaded if
  259. * it has a supported API version. The firmware's API version will be
  260. * stored in @iwl_priv, enabling the driver to make runtime changes based
  261. * on firmware version used.
  262. *
  263. * For example,
  264. * if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
  265. * Driver interacts with Firmware API version >= 2.
  266. * } else {
  267. * Driver interacts with Firmware API version 1.
  268. * }
  269. *
  270. * The ideal usage of this infrastructure is to treat a new ucode API
  271. * release as a new hardware revision. That is, through utilizing the
  272. * iwl_hcmd_utils_ops etc. we accommodate different command structures
  273. * and flows between hardware versions (4965/5000) as well as their API
  274. * versions.
  275. *
  276. */
  277. struct iwl_cfg {
  278. /* params specific to an individual device within a device family */
  279. const char *name;
  280. const char *fw_name_pre;
  281. const unsigned int ucode_api_max;
  282. const unsigned int ucode_api_min;
  283. u8 valid_tx_ant;
  284. u8 valid_rx_ant;
  285. unsigned int sku;
  286. u16 eeprom_ver;
  287. u16 eeprom_calib_ver;
  288. const struct iwl_ops *ops;
  289. /* params not likely to change within a device family */
  290. struct iwl_base_params *base_params;
  291. /* params likely to change within a device family */
  292. struct iwl_ht_params *ht_params;
  293. struct iwl_bt_params *bt_params;
  294. enum iwl_pa_type pa_type; /* if used set to IWL_PA_SYSTEM */
  295. const bool need_dc_calib; /* if used set to true */
  296. const bool need_temp_offset_calib; /* if used set to true */
  297. u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
  298. enum iwl_led_mode led_mode;
  299. const bool adv_pm;
  300. const bool rx_with_siso_diversity;
  301. const bool internal_wimax_coex;
  302. const bool iq_invert;
  303. const bool disable_otp_refresh;
  304. };
  305. /***************************
  306. * L i b *
  307. ***************************/
  308. int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
  309. const struct ieee80211_tx_queue_params *params);
  310. int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw);
  311. void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
  312. int hw_decrypt);
  313. int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
  314. int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
  315. int iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
  316. struct iwl_rxon_context *ctx);
  317. void iwl_set_flags_for_band(struct iwl_priv *priv,
  318. struct iwl_rxon_context *ctx,
  319. enum ieee80211_band band,
  320. struct ieee80211_vif *vif);
  321. u8 iwl_get_single_channel_number(struct iwl_priv *priv,
  322. enum ieee80211_band band);
  323. void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
  324. bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
  325. struct iwl_rxon_context *ctx,
  326. struct ieee80211_sta_ht_cap *ht_cap);
  327. void iwl_connection_init_rx_config(struct iwl_priv *priv,
  328. struct iwl_rxon_context *ctx);
  329. void iwl_set_rate(struct iwl_priv *priv);
  330. void iwl_irq_handle_error(struct iwl_priv *priv);
  331. int iwl_mac_add_interface(struct ieee80211_hw *hw,
  332. struct ieee80211_vif *vif);
  333. void iwl_mac_remove_interface(struct ieee80211_hw *hw,
  334. struct ieee80211_vif *vif);
  335. int iwl_mac_change_interface(struct ieee80211_hw *hw,
  336. struct ieee80211_vif *vif,
  337. enum nl80211_iftype newtype, bool newp2p);
  338. int iwl_alloc_txq_mem(struct iwl_priv *priv);
  339. void iwl_free_txq_mem(struct iwl_priv *priv);
  340. #ifdef CONFIG_IWLWIFI_DEBUGFS
  341. int iwl_alloc_traffic_mem(struct iwl_priv *priv);
  342. void iwl_free_traffic_mem(struct iwl_priv *priv);
  343. void iwl_reset_traffic_log(struct iwl_priv *priv);
  344. void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
  345. u16 length, struct ieee80211_hdr *header);
  346. void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
  347. u16 length, struct ieee80211_hdr *header);
  348. const char *get_mgmt_string(int cmd);
  349. const char *get_ctrl_string(int cmd);
  350. void iwl_clear_traffic_stats(struct iwl_priv *priv);
  351. void iwl_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
  352. u16 len);
  353. #else
  354. static inline int iwl_alloc_traffic_mem(struct iwl_priv *priv)
  355. {
  356. return 0;
  357. }
  358. static inline void iwl_free_traffic_mem(struct iwl_priv *priv)
  359. {
  360. }
  361. static inline void iwl_reset_traffic_log(struct iwl_priv *priv)
  362. {
  363. }
  364. static inline void iwl_dbg_log_tx_data_frame(struct iwl_priv *priv,
  365. u16 length, struct ieee80211_hdr *header)
  366. {
  367. }
  368. static inline void iwl_dbg_log_rx_data_frame(struct iwl_priv *priv,
  369. u16 length, struct ieee80211_hdr *header)
  370. {
  371. }
  372. static inline void iwl_update_stats(struct iwl_priv *priv, bool is_tx,
  373. __le16 fc, u16 len)
  374. {
  375. }
  376. #endif
  377. /*****************************************************
  378. * RX
  379. ******************************************************/
  380. void iwl_cmd_queue_free(struct iwl_priv *priv);
  381. void iwl_cmd_queue_unmap(struct iwl_priv *priv);
  382. int iwl_rx_queue_alloc(struct iwl_priv *priv);
  383. void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
  384. struct iwl_rx_queue *q);
  385. int iwl_rx_queue_space(const struct iwl_rx_queue *q);
  386. void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
  387. void iwl_chswitch_done(struct iwl_priv *priv, bool is_success);
  388. /* TX helpers */
  389. /*****************************************************
  390. * TX
  391. ******************************************************/
  392. void iwl_txq_update_write_ptr(struct iwl_priv *priv, struct iwl_tx_queue *txq);
  393. int iwl_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
  394. int slots_num, u32 txq_id);
  395. void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq,
  396. int slots_num, u32 txq_id);
  397. void iwl_tx_queue_free(struct iwl_priv *priv, int txq_id);
  398. void iwl_tx_queue_unmap(struct iwl_priv *priv, int txq_id);
  399. void iwl_setup_watchdog(struct iwl_priv *priv);
  400. /*****************************************************
  401. * TX power
  402. ****************************************************/
  403. int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
  404. /*******************************************************************************
  405. * Rate
  406. ******************************************************************************/
  407. u8 iwl_rate_get_lowest_plcp(struct iwl_priv *priv,
  408. struct iwl_rxon_context *ctx);
  409. /*******************************************************************************
  410. * Scanning
  411. ******************************************************************************/
  412. void iwl_init_scan_params(struct iwl_priv *priv);
  413. int iwl_scan_cancel(struct iwl_priv *priv);
  414. int iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
  415. void iwl_force_scan_end(struct iwl_priv *priv);
  416. int iwl_mac_hw_scan(struct ieee80211_hw *hw,
  417. struct ieee80211_vif *vif,
  418. struct cfg80211_scan_request *req);
  419. void iwl_internal_short_hw_scan(struct iwl_priv *priv);
  420. int iwl_force_reset(struct iwl_priv *priv, int mode, bool external);
  421. u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
  422. const u8 *ta, const u8 *ie, int ie_len, int left);
  423. void iwl_setup_rx_scan_handlers(struct iwl_priv *priv);
  424. u16 iwl_get_active_dwell_time(struct iwl_priv *priv,
  425. enum ieee80211_band band,
  426. u8 n_probes);
  427. u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
  428. enum ieee80211_band band,
  429. struct ieee80211_vif *vif);
  430. void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
  431. void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
  432. int __must_check iwl_scan_initiate(struct iwl_priv *priv,
  433. struct ieee80211_vif *vif,
  434. enum iwl_scan_type scan_type,
  435. enum ieee80211_band band);
  436. /* For faster active scanning, scan will move to the next channel if fewer than
  437. * PLCP_QUIET_THRESH packets are heard on this channel within
  438. * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
  439. * time if it's a quiet channel (nothing responded to our probe, and there's
  440. * no other traffic).
  441. * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
  442. #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
  443. #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
  444. #define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)
  445. /*****************************************************
  446. * S e n d i n g H o s t C o m m a n d s *
  447. *****************************************************/
  448. const char *get_cmd_string(u8 cmd);
  449. int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
  450. struct iwl_host_cmd *cmd);
  451. int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
  452. int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
  453. u16 len, const void *data);
  454. int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
  455. const void *data,
  456. void (*callback)(struct iwl_priv *priv,
  457. struct iwl_device_cmd *cmd,
  458. struct iwl_rx_packet *pkt));
  459. int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
  460. /*****************************************************
  461. * PCI *
  462. *****************************************************/
  463. static inline u16 iwl_pcie_link_ctl(struct iwl_priv *priv)
  464. {
  465. int pos;
  466. u16 pci_lnk_ctl;
  467. pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP);
  468. pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
  469. return pci_lnk_ctl;
  470. }
  471. void iwl_bg_watchdog(unsigned long data);
  472. u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
  473. __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
  474. u32 addon, u32 beacon_interval);
  475. #ifdef CONFIG_PM
  476. int iwl_pci_suspend(struct device *device);
  477. int iwl_pci_resume(struct device *device);
  478. extern const struct dev_pm_ops iwl_pm_ops;
  479. #define IWL_PM_OPS (&iwl_pm_ops)
  480. #else /* !CONFIG_PM */
  481. #define IWL_PM_OPS NULL
  482. #endif /* !CONFIG_PM */
  483. /*****************************************************
  484. * Error Handling Debugging
  485. ******************************************************/
  486. void iwl_dump_nic_error_log(struct iwl_priv *priv);
  487. int iwl_dump_nic_event_log(struct iwl_priv *priv,
  488. bool full_log, char **buf, bool display);
  489. void iwl_dump_csr(struct iwl_priv *priv);
  490. int iwl_dump_fh(struct iwl_priv *priv, char **buf, bool display);
  491. #ifdef CONFIG_IWLWIFI_DEBUG
  492. void iwl_print_rx_config_cmd(struct iwl_priv *priv,
  493. struct iwl_rxon_context *ctx);
  494. #else
  495. static inline void iwl_print_rx_config_cmd(struct iwl_priv *priv,
  496. struct iwl_rxon_context *ctx)
  497. {
  498. }
  499. #endif
  500. void iwl_clear_isr_stats(struct iwl_priv *priv);
  501. /*****************************************************
  502. * GEOS
  503. ******************************************************/
  504. int iwlcore_init_geos(struct iwl_priv *priv);
  505. void iwlcore_free_geos(struct iwl_priv *priv);
  506. /*************** DRIVER STATUS FUNCTIONS *****/
  507. #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
  508. /* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
  509. #define STATUS_INT_ENABLED 2
  510. #define STATUS_RF_KILL_HW 3
  511. #define STATUS_CT_KILL 4
  512. #define STATUS_INIT 5
  513. #define STATUS_ALIVE 6
  514. #define STATUS_READY 7
  515. #define STATUS_TEMPERATURE 8
  516. #define STATUS_GEO_CONFIGURED 9
  517. #define STATUS_EXIT_PENDING 10
  518. #define STATUS_STATISTICS 12
  519. #define STATUS_SCANNING 13
  520. #define STATUS_SCAN_ABORTING 14
  521. #define STATUS_SCAN_HW 15
  522. #define STATUS_POWER_PMI 16
  523. #define STATUS_FW_ERROR 17
  524. #define STATUS_DEVICE_ENABLED 18
  525. static inline int iwl_is_ready(struct iwl_priv *priv)
  526. {
  527. /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
  528. * set but EXIT_PENDING is not */
  529. return test_bit(STATUS_READY, &priv->status) &&
  530. test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
  531. !test_bit(STATUS_EXIT_PENDING, &priv->status);
  532. }
  533. static inline int iwl_is_alive(struct iwl_priv *priv)
  534. {
  535. return test_bit(STATUS_ALIVE, &priv->status);
  536. }
  537. static inline int iwl_is_init(struct iwl_priv *priv)
  538. {
  539. return test_bit(STATUS_INIT, &priv->status);
  540. }
  541. static inline int iwl_is_rfkill_hw(struct iwl_priv *priv)
  542. {
  543. return test_bit(STATUS_RF_KILL_HW, &priv->status);
  544. }
  545. static inline int iwl_is_rfkill(struct iwl_priv *priv)
  546. {
  547. return iwl_is_rfkill_hw(priv);
  548. }
  549. static inline int iwl_is_ctkill(struct iwl_priv *priv)
  550. {
  551. return test_bit(STATUS_CT_KILL, &priv->status);
  552. }
  553. static inline int iwl_is_ready_rf(struct iwl_priv *priv)
  554. {
  555. if (iwl_is_rfkill(priv))
  556. return 0;
  557. return iwl_is_ready(priv);
  558. }
  559. extern void iwl_send_bt_config(struct iwl_priv *priv);
  560. extern int iwl_send_statistics_request(struct iwl_priv *priv,
  561. u8 flags, bool clear);
  562. void iwl_apm_stop(struct iwl_priv *priv);
  563. int iwl_apm_init(struct iwl_priv *priv);
  564. int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
  565. static inline int iwlcore_commit_rxon(struct iwl_priv *priv,
  566. struct iwl_rxon_context *ctx)
  567. {
  568. return priv->cfg->ops->hcmd->commit_rxon(priv, ctx);
  569. }
  570. static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
  571. struct iwl_priv *priv, enum ieee80211_band band)
  572. {
  573. return priv->hw->wiphy->bands[band];
  574. }
  575. static inline bool iwl_advanced_bt_coexist(struct iwl_priv *priv)
  576. {
  577. return priv->cfg->bt_params &&
  578. priv->cfg->bt_params->advanced_bt_coexist;
  579. }
  580. extern bool bt_coex_active;
  581. extern bool bt_siso_mode;
  582. void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
  583. #endif /* __iwl_core_h__ */