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_legacy_core_h__
  63. #define __iwl_legacy_core_h__
  64. /************************
  65. * forward declarations *
  66. ************************/
  67. struct iwl_host_cmd;
  68. struct iwl_cmd;
  69. #define IWLWIFI_VERSION "in-tree:"
  70. #define DRV_COPYRIGHT "Copyright(c) 2003-2011 Intel Corporation"
  71. #define DRV_AUTHOR "<ilw@linux.intel.com>"
  72. #define IWL_PCI_DEVICE(dev, subdev, cfg) \
  73. .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
  74. .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
  75. .driver_data = (kernel_ulong_t)&(cfg)
  76. #define TIME_UNIT 1024
  77. #define IWL_SKU_G 0x1
  78. #define IWL_SKU_A 0x2
  79. #define IWL_SKU_N 0x8
  80. #define IWL_CMD(x) case x: return #x
  81. struct iwl_hcmd_ops {
  82. int (*rxon_assoc)(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
  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. };
  87. struct iwl_hcmd_utils_ops {
  88. u16 (*get_hcmd_size)(u8 cmd_id, u16 len);
  89. u16 (*build_addsta_hcmd)(const struct iwl_legacy_addsta_cmd *cmd,
  90. u8 *data);
  91. int (*request_scan)(struct iwl_priv *priv, struct ieee80211_vif *vif);
  92. void (*post_scan)(struct iwl_priv *priv);
  93. };
  94. struct iwl_apm_ops {
  95. int (*init)(struct iwl_priv *priv);
  96. void (*config)(struct iwl_priv *priv);
  97. };
  98. struct iwl_debugfs_ops {
  99. ssize_t (*rx_stats_read)(struct file *file, char __user *user_buf,
  100. size_t count, loff_t *ppos);
  101. ssize_t (*tx_stats_read)(struct file *file, char __user *user_buf,
  102. size_t count, loff_t *ppos);
  103. ssize_t (*general_stats_read)(struct file *file, char __user *user_buf,
  104. size_t count, loff_t *ppos);
  105. };
  106. struct iwl_temp_ops {
  107. void (*temperature)(struct iwl_priv *priv);
  108. };
  109. struct iwl_lib_ops {
  110. /* set hw dependent parameters */
  111. int (*set_hw_params)(struct iwl_priv *priv);
  112. /* Handling TX */
  113. void (*txq_update_byte_cnt_tbl)(struct iwl_priv *priv,
  114. struct iwl_tx_queue *txq,
  115. u16 byte_cnt);
  116. int (*txq_attach_buf_to_tfd)(struct iwl_priv *priv,
  117. struct iwl_tx_queue *txq,
  118. dma_addr_t addr,
  119. u16 len, u8 reset, u8 pad);
  120. void (*txq_free_tfd)(struct iwl_priv *priv,
  121. struct iwl_tx_queue *txq);
  122. int (*txq_init)(struct iwl_priv *priv,
  123. struct iwl_tx_queue *txq);
  124. /* setup Rx handler */
  125. void (*rx_handler_setup)(struct iwl_priv *priv);
  126. /* alive notification after init uCode load */
  127. void (*init_alive_start)(struct iwl_priv *priv);
  128. /* check validity of rtc data address */
  129. int (*is_valid_rtc_data_addr)(u32 addr);
  130. /* 1st ucode load */
  131. int (*load_ucode)(struct iwl_priv *priv);
  132. int (*dump_nic_event_log)(struct iwl_priv *priv,
  133. bool full_log, char **buf, bool display);
  134. void (*dump_nic_error_log)(struct iwl_priv *priv);
  135. int (*dump_fh)(struct iwl_priv *priv, char **buf, bool display);
  136. int (*set_channel_switch)(struct iwl_priv *priv,
  137. struct ieee80211_channel_switch *ch_switch);
  138. /* power management */
  139. struct iwl_apm_ops apm_ops;
  140. /* power */
  141. int (*send_tx_power) (struct iwl_priv *priv);
  142. void (*update_chain_flags)(struct iwl_priv *priv);
  143. /* eeprom operations (as defined in iwl-eeprom.h) */
  144. struct iwl_eeprom_ops eeprom_ops;
  145. /* temperature */
  146. struct iwl_temp_ops temp_ops;
  147. /* check for plcp health */
  148. bool (*check_plcp_health)(struct iwl_priv *priv,
  149. struct iwl_rx_packet *pkt);
  150. struct iwl_debugfs_ops debugfs_ops;
  151. };
  152. struct iwl_led_ops {
  153. int (*cmd)(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd);
  154. };
  155. struct iwl_legacy_ops {
  156. void (*post_associate)(struct iwl_priv *priv);
  157. void (*config_ap)(struct iwl_priv *priv);
  158. /* station management */
  159. int (*update_bcast_stations)(struct iwl_priv *priv);
  160. int (*manage_ibss_station)(struct iwl_priv *priv,
  161. struct ieee80211_vif *vif, bool add);
  162. };
  163. struct iwl_ops {
  164. const struct iwl_lib_ops *lib;
  165. const struct iwl_hcmd_ops *hcmd;
  166. const struct iwl_hcmd_utils_ops *utils;
  167. const struct iwl_led_ops *led;
  168. const struct iwl_nic_ops *nic;
  169. const struct iwl_legacy_ops *legacy;
  170. const struct ieee80211_ops *ieee80211_ops;
  171. };
  172. struct iwl_mod_params {
  173. int sw_crypto; /* def: 0 = using hardware encryption */
  174. int disable_hw_scan; /* def: 0 = use h/w scan */
  175. int num_of_queues; /* def: HW dependent */
  176. int disable_11n; /* def: 0 = 11n capabilities enabled */
  177. int amsdu_size_8K; /* def: 1 = enable 8K amsdu size */
  178. int antenna; /* def: 0 = both antennas (use diversity) */
  179. int restart_fw; /* def: 1 = restart firmware */
  180. };
  181. /*
  182. * @led_compensation: compensate on the led on/off time per HW according
  183. * to the deviation to achieve the desired led frequency.
  184. * The detail algorithm is described in iwl-led.c
  185. * @chain_noise_num_beacons: number of beacons used to compute chain noise
  186. * @plcp_delta_threshold: plcp error rate threshold used to trigger
  187. * radio tuning when there is a high receiving plcp error rate
  188. * @wd_timeout: TX queues watchdog timeout
  189. * @temperature_kelvin: temperature report by uCode in kelvin
  190. * @max_event_log_size: size of event log buffer size for ucode event logging
  191. * @ucode_tracing: support ucode continuous tracing
  192. * @sensitivity_calib_by_driver: driver has the capability to perform
  193. * sensitivity calibration operation
  194. * @chain_noise_calib_by_driver: driver has the capability to perform
  195. * chain noise calibration operation
  196. */
  197. struct iwl_base_params {
  198. int eeprom_size;
  199. int num_of_queues; /* def: HW dependent */
  200. int num_of_ampdu_queues;/* def: HW dependent */
  201. /* for iwl_legacy_apm_init() */
  202. u32 pll_cfg_val;
  203. bool set_l0s;
  204. bool use_bsm;
  205. u16 led_compensation;
  206. int chain_noise_num_beacons;
  207. u8 plcp_delta_threshold;
  208. unsigned int wd_timeout;
  209. bool temperature_kelvin;
  210. u32 max_event_log_size;
  211. const bool ucode_tracing;
  212. const bool sensitivity_calib_by_driver;
  213. const bool chain_noise_calib_by_driver;
  214. };
  215. /**
  216. * struct iwl_cfg
  217. * @fw_name_pre: Firmware filename prefix. The api version and extension
  218. * (.ucode) will be added to filename before loading from disk. The
  219. * filename is constructed as fw_name_pre<api>.ucode.
  220. * @ucode_api_max: Highest version of uCode API supported by driver.
  221. * @ucode_api_min: Lowest version of uCode API supported by driver.
  222. * @scan_antennas: available antenna for scan operation
  223. * @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
  224. *
  225. * We enable the driver to be backward compatible wrt API version. The
  226. * driver specifies which APIs it supports (with @ucode_api_max being the
  227. * highest and @ucode_api_min the lowest). Firmware will only be loaded if
  228. * it has a supported API version. The firmware's API version will be
  229. * stored in @iwl_priv, enabling the driver to make runtime changes based
  230. * on firmware version used.
  231. *
  232. * For example,
  233. * if (IWL_UCODE_API(priv->ucode_ver) >= 2) {
  234. * Driver interacts with Firmware API version >= 2.
  235. * } else {
  236. * Driver interacts with Firmware API version 1.
  237. * }
  238. *
  239. * The ideal usage of this infrastructure is to treat a new ucode API
  240. * release as a new hardware revision. That is, through utilizing the
  241. * iwl_hcmd_utils_ops etc. we accommodate different command structures
  242. * and flows between hardware versions as well as their API
  243. * versions.
  244. *
  245. */
  246. struct iwl_cfg {
  247. /* params specific to an individual device within a device family */
  248. const char *name;
  249. const char *fw_name_pre;
  250. const unsigned int ucode_api_max;
  251. const unsigned int ucode_api_min;
  252. u8 valid_tx_ant;
  253. u8 valid_rx_ant;
  254. unsigned int sku;
  255. u16 eeprom_ver;
  256. u16 eeprom_calib_ver;
  257. const struct iwl_ops *ops;
  258. /* module based parameters which can be set from modprobe cmd */
  259. const struct iwl_mod_params *mod_params;
  260. /* params not likely to change within a device family */
  261. struct iwl_base_params *base_params;
  262. /* params likely to change within a device family */
  263. u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
  264. enum iwl_led_mode led_mode;
  265. };
  266. /***************************
  267. * L i b *
  268. ***************************/
  269. struct ieee80211_hw *iwl_legacy_alloc_all(struct iwl_cfg *cfg);
  270. int iwl_legacy_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
  271. const struct ieee80211_tx_queue_params *params);
  272. int iwl_legacy_mac_tx_last_beacon(struct ieee80211_hw *hw);
  273. void iwl_legacy_set_rxon_hwcrypto(struct iwl_priv *priv,
  274. struct iwl_rxon_context *ctx,
  275. int hw_decrypt);
  276. int iwl_legacy_check_rxon_cmd(struct iwl_priv *priv,
  277. struct iwl_rxon_context *ctx);
  278. int iwl_legacy_full_rxon_required(struct iwl_priv *priv,
  279. struct iwl_rxon_context *ctx);
  280. int iwl_legacy_set_rxon_channel(struct iwl_priv *priv,
  281. struct ieee80211_channel *ch,
  282. struct iwl_rxon_context *ctx);
  283. void iwl_legacy_set_flags_for_band(struct iwl_priv *priv,
  284. struct iwl_rxon_context *ctx,
  285. enum ieee80211_band band,
  286. struct ieee80211_vif *vif);
  287. u8 iwl_legacy_get_single_channel_number(struct iwl_priv *priv,
  288. enum ieee80211_band band);
  289. void iwl_legacy_set_rxon_ht(struct iwl_priv *priv,
  290. struct iwl_ht_config *ht_conf);
  291. bool iwl_legacy_is_ht40_tx_allowed(struct iwl_priv *priv,
  292. struct iwl_rxon_context *ctx,
  293. struct ieee80211_sta_ht_cap *ht_cap);
  294. void iwl_legacy_connection_init_rx_config(struct iwl_priv *priv,
  295. struct iwl_rxon_context *ctx);
  296. void iwl_legacy_set_rate(struct iwl_priv *priv);
  297. int iwl_legacy_set_decrypted_flag(struct iwl_priv *priv,
  298. struct ieee80211_hdr *hdr,
  299. u32 decrypt_res,
  300. struct ieee80211_rx_status *stats);
  301. void iwl_legacy_irq_handle_error(struct iwl_priv *priv);
  302. int iwl_legacy_mac_add_interface(struct ieee80211_hw *hw,
  303. struct ieee80211_vif *vif);
  304. void iwl_legacy_mac_remove_interface(struct ieee80211_hw *hw,
  305. struct ieee80211_vif *vif);
  306. int iwl_legacy_mac_change_interface(struct ieee80211_hw *hw,
  307. struct ieee80211_vif *vif,
  308. enum nl80211_iftype newtype, bool newp2p);
  309. int iwl_legacy_alloc_txq_mem(struct iwl_priv *priv);
  310. void iwl_legacy_txq_mem(struct iwl_priv *priv);
  311. #ifdef CONFIG_IWLWIFI_LEGACY_DEBUGFS
  312. int iwl_legacy_alloc_traffic_mem(struct iwl_priv *priv);
  313. void iwl_legacy_free_traffic_mem(struct iwl_priv *priv);
  314. void iwl_legacy_reset_traffic_log(struct iwl_priv *priv);
  315. void iwl_legacy_dbg_log_tx_data_frame(struct iwl_priv *priv,
  316. u16 length, struct ieee80211_hdr *header);
  317. void iwl_legacy_dbg_log_rx_data_frame(struct iwl_priv *priv,
  318. u16 length, struct ieee80211_hdr *header);
  319. const char *iwl_legacy_get_mgmt_string(int cmd);
  320. const char *iwl_legacy_get_ctrl_string(int cmd);
  321. void iwl_legacy_clear_traffic_stats(struct iwl_priv *priv);
  322. void iwl_legacy_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc,
  323. u16 len);
  324. #else
  325. static inline int iwl_legacy_alloc_traffic_mem(struct iwl_priv *priv)
  326. {
  327. return 0;
  328. }
  329. static inline void iwl_legacy_free_traffic_mem(struct iwl_priv *priv)
  330. {
  331. }
  332. static inline void iwl_legacy_reset_traffic_log(struct iwl_priv *priv)
  333. {
  334. }
  335. static inline void iwl_legacy_dbg_log_tx_data_frame(struct iwl_priv *priv,
  336. u16 length, struct ieee80211_hdr *header)
  337. {
  338. }
  339. static inline void iwl_legacy_dbg_log_rx_data_frame(struct iwl_priv *priv,
  340. u16 length, struct ieee80211_hdr *header)
  341. {
  342. }
  343. static inline void iwl_legacy_update_stats(struct iwl_priv *priv, bool is_tx,
  344. __le16 fc, u16 len)
  345. {
  346. }
  347. #endif
  348. /*****************************************************
  349. * RX handlers.
  350. * **************************************************/
  351. void iwl_legacy_rx_pm_sleep_notif(struct iwl_priv *priv,
  352. struct iwl_rx_mem_buffer *rxb);
  353. void iwl_legacy_rx_pm_debug_statistics_notif(struct iwl_priv *priv,
  354. struct iwl_rx_mem_buffer *rxb);
  355. void iwl_legacy_rx_reply_error(struct iwl_priv *priv,
  356. struct iwl_rx_mem_buffer *rxb);
  357. /*****************************************************
  358. * RX
  359. ******************************************************/
  360. void iwl_legacy_cmd_queue_unmap(struct iwl_priv *priv);
  361. void iwl_legacy_cmd_queue_free(struct iwl_priv *priv);
  362. int iwl_legacy_rx_queue_alloc(struct iwl_priv *priv);
  363. void iwl_legacy_rx_queue_update_write_ptr(struct iwl_priv *priv,
  364. struct iwl_rx_queue *q);
  365. int iwl_legacy_rx_queue_space(const struct iwl_rx_queue *q);
  366. void iwl_legacy_tx_cmd_complete(struct iwl_priv *priv,
  367. struct iwl_rx_mem_buffer *rxb);
  368. /* Handlers */
  369. void iwl_legacy_rx_spectrum_measure_notif(struct iwl_priv *priv,
  370. struct iwl_rx_mem_buffer *rxb);
  371. void iwl_legacy_recover_from_statistics(struct iwl_priv *priv,
  372. struct iwl_rx_packet *pkt);
  373. void iwl_legacy_chswitch_done(struct iwl_priv *priv, bool is_success);
  374. void iwl_legacy_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
  375. /* TX helpers */
  376. /*****************************************************
  377. * TX
  378. ******************************************************/
  379. void iwl_legacy_txq_update_write_ptr(struct iwl_priv *priv,
  380. struct iwl_tx_queue *txq);
  381. int iwl_legacy_tx_queue_init(struct iwl_priv *priv, struct iwl_tx_queue *txq,
  382. int slots_num, u32 txq_id);
  383. void iwl_legacy_tx_queue_reset(struct iwl_priv *priv,
  384. struct iwl_tx_queue *txq,
  385. int slots_num, u32 txq_id);
  386. void iwl_legacy_tx_queue_unmap(struct iwl_priv *priv, int txq_id);
  387. void iwl_legacy_tx_queue_free(struct iwl_priv *priv, int txq_id);
  388. void iwl_legacy_setup_watchdog(struct iwl_priv *priv);
  389. /*****************************************************
  390. * TX power
  391. ****************************************************/
  392. int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force);
  393. /*******************************************************************************
  394. * Rate
  395. ******************************************************************************/
  396. u8 iwl_legacy_get_lowest_plcp(struct iwl_priv *priv,
  397. struct iwl_rxon_context *ctx);
  398. /*******************************************************************************
  399. * Scanning
  400. ******************************************************************************/
  401. void iwl_legacy_init_scan_params(struct iwl_priv *priv);
  402. int iwl_legacy_scan_cancel(struct iwl_priv *priv);
  403. int iwl_legacy_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms);
  404. void iwl_legacy_force_scan_end(struct iwl_priv *priv);
  405. int iwl_legacy_mac_hw_scan(struct ieee80211_hw *hw,
  406. struct ieee80211_vif *vif,
  407. struct cfg80211_scan_request *req);
  408. void iwl_legacy_internal_short_hw_scan(struct iwl_priv *priv);
  409. int iwl_legacy_force_reset(struct iwl_priv *priv, int mode, bool external);
  410. u16 iwl_legacy_fill_probe_req(struct iwl_priv *priv,
  411. struct ieee80211_mgmt *frame,
  412. const u8 *ta, const u8 *ie, int ie_len, int left);
  413. void iwl_legacy_setup_rx_scan_handlers(struct iwl_priv *priv);
  414. u16 iwl_legacy_get_active_dwell_time(struct iwl_priv *priv,
  415. enum ieee80211_band band,
  416. u8 n_probes);
  417. u16 iwl_legacy_get_passive_dwell_time(struct iwl_priv *priv,
  418. enum ieee80211_band band,
  419. struct ieee80211_vif *vif);
  420. void iwl_legacy_setup_scan_deferred_work(struct iwl_priv *priv);
  421. void iwl_legacy_cancel_scan_deferred_work(struct iwl_priv *priv);
  422. /* For faster active scanning, scan will move to the next channel if fewer than
  423. * PLCP_QUIET_THRESH packets are heard on this channel within
  424. * ACTIVE_QUIET_TIME after sending probe request. This shortens the dwell
  425. * time if it's a quiet channel (nothing responded to our probe, and there's
  426. * no other traffic).
  427. * Disable "quiet" feature by setting PLCP_QUIET_THRESH to 0. */
  428. #define IWL_ACTIVE_QUIET_TIME cpu_to_le16(10) /* msec */
  429. #define IWL_PLCP_QUIET_THRESH cpu_to_le16(1) /* packets */
  430. #define IWL_SCAN_CHECK_WATCHDOG (HZ * 7)
  431. /*****************************************************
  432. * S e n d i n g H o s t C o m m a n d s *
  433. *****************************************************/
  434. const char *iwl_legacy_get_cmd_string(u8 cmd);
  435. int __must_check iwl_legacy_send_cmd_sync(struct iwl_priv *priv,
  436. struct iwl_host_cmd *cmd);
  437. int iwl_legacy_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
  438. int __must_check iwl_legacy_send_cmd_pdu(struct iwl_priv *priv, u8 id,
  439. u16 len, const void *data);
  440. int iwl_legacy_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
  441. const void *data,
  442. void (*callback)(struct iwl_priv *priv,
  443. struct iwl_device_cmd *cmd,
  444. struct iwl_rx_packet *pkt));
  445. int iwl_legacy_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
  446. /*****************************************************
  447. * PCI *
  448. *****************************************************/
  449. static inline u16 iwl_legacy_pcie_link_ctl(struct iwl_priv *priv)
  450. {
  451. int pos;
  452. u16 pci_lnk_ctl;
  453. pos = pci_find_capability(priv->pci_dev, PCI_CAP_ID_EXP);
  454. pci_read_config_word(priv->pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
  455. return pci_lnk_ctl;
  456. }
  457. void iwl_legacy_bg_watchdog(unsigned long data);
  458. u32 iwl_legacy_usecs_to_beacons(struct iwl_priv *priv,
  459. u32 usec, u32 beacon_interval);
  460. __le32 iwl_legacy_add_beacon_time(struct iwl_priv *priv, u32 base,
  461. u32 addon, u32 beacon_interval);
  462. #ifdef CONFIG_PM
  463. int iwl_legacy_pci_suspend(struct device *device);
  464. int iwl_legacy_pci_resume(struct device *device);
  465. extern const struct dev_pm_ops iwl_legacy_pm_ops;
  466. #define IWL_LEGACY_PM_OPS (&iwl_legacy_pm_ops)
  467. #else /* !CONFIG_PM */
  468. #define IWL_LEGACY_PM_OPS NULL
  469. #endif /* !CONFIG_PM */
  470. /*****************************************************
  471. * Error Handling Debugging
  472. ******************************************************/
  473. void iwl4965_dump_nic_error_log(struct iwl_priv *priv);
  474. int iwl4965_dump_nic_event_log(struct iwl_priv *priv,
  475. bool full_log, char **buf, bool display);
  476. #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
  477. void iwl_legacy_print_rx_config_cmd(struct iwl_priv *priv,
  478. struct iwl_rxon_context *ctx);
  479. #else
  480. static inline void iwl_legacy_print_rx_config_cmd(struct iwl_priv *priv,
  481. struct iwl_rxon_context *ctx)
  482. {
  483. }
  484. #endif
  485. void iwl_legacy_clear_isr_stats(struct iwl_priv *priv);
  486. /*****************************************************
  487. * GEOS
  488. ******************************************************/
  489. int iwl_legacy_init_geos(struct iwl_priv *priv);
  490. void iwl_legacy_free_geos(struct iwl_priv *priv);
  491. /*************** DRIVER STATUS FUNCTIONS *****/
  492. #define STATUS_HCMD_ACTIVE 0 /* host command in progress */
  493. /* 1 is unused (used to be STATUS_HCMD_SYNC_ACTIVE) */
  494. #define STATUS_INT_ENABLED 2
  495. #define STATUS_RF_KILL_HW 3
  496. #define STATUS_CT_KILL 4
  497. #define STATUS_INIT 5
  498. #define STATUS_ALIVE 6
  499. #define STATUS_READY 7
  500. #define STATUS_TEMPERATURE 8
  501. #define STATUS_GEO_CONFIGURED 9
  502. #define STATUS_EXIT_PENDING 10
  503. #define STATUS_STATISTICS 12
  504. #define STATUS_SCANNING 13
  505. #define STATUS_SCAN_ABORTING 14
  506. #define STATUS_SCAN_HW 15
  507. #define STATUS_POWER_PMI 16
  508. #define STATUS_FW_ERROR 17
  509. #define STATUS_CHANNEL_SWITCH_PENDING 18
  510. static inline int iwl_legacy_is_ready(struct iwl_priv *priv)
  511. {
  512. /* The adapter is 'ready' if READY and GEO_CONFIGURED bits are
  513. * set but EXIT_PENDING is not */
  514. return test_bit(STATUS_READY, &priv->status) &&
  515. test_bit(STATUS_GEO_CONFIGURED, &priv->status) &&
  516. !test_bit(STATUS_EXIT_PENDING, &priv->status);
  517. }
  518. static inline int iwl_legacy_is_alive(struct iwl_priv *priv)
  519. {
  520. return test_bit(STATUS_ALIVE, &priv->status);
  521. }
  522. static inline int iwl_legacy_is_init(struct iwl_priv *priv)
  523. {
  524. return test_bit(STATUS_INIT, &priv->status);
  525. }
  526. static inline int iwl_legacy_is_rfkill_hw(struct iwl_priv *priv)
  527. {
  528. return test_bit(STATUS_RF_KILL_HW, &priv->status);
  529. }
  530. static inline int iwl_legacy_is_rfkill(struct iwl_priv *priv)
  531. {
  532. return iwl_legacy_is_rfkill_hw(priv);
  533. }
  534. static inline int iwl_legacy_is_ctkill(struct iwl_priv *priv)
  535. {
  536. return test_bit(STATUS_CT_KILL, &priv->status);
  537. }
  538. static inline int iwl_legacy_is_ready_rf(struct iwl_priv *priv)
  539. {
  540. if (iwl_legacy_is_rfkill(priv))
  541. return 0;
  542. return iwl_legacy_is_ready(priv);
  543. }
  544. extern void iwl_legacy_send_bt_config(struct iwl_priv *priv);
  545. extern int iwl_legacy_send_statistics_request(struct iwl_priv *priv,
  546. u8 flags, bool clear);
  547. void iwl_legacy_apm_stop(struct iwl_priv *priv);
  548. int iwl_legacy_apm_init(struct iwl_priv *priv);
  549. int iwl_legacy_send_rxon_timing(struct iwl_priv *priv,
  550. struct iwl_rxon_context *ctx);
  551. static inline int iwl_legacy_send_rxon_assoc(struct iwl_priv *priv,
  552. struct iwl_rxon_context *ctx)
  553. {
  554. return priv->cfg->ops->hcmd->rxon_assoc(priv, ctx);
  555. }
  556. static inline int iwl_legacy_commit_rxon(struct iwl_priv *priv,
  557. struct iwl_rxon_context *ctx)
  558. {
  559. return priv->cfg->ops->hcmd->commit_rxon(priv, ctx);
  560. }
  561. static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
  562. struct iwl_priv *priv, enum ieee80211_band band)
  563. {
  564. return priv->hw->wiphy->bands[band];
  565. }
  566. /* mac80211 handlers */
  567. int iwl_legacy_mac_config(struct ieee80211_hw *hw, u32 changed);
  568. void iwl_legacy_mac_reset_tsf(struct ieee80211_hw *hw);
  569. void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw,
  570. struct ieee80211_vif *vif,
  571. struct ieee80211_bss_conf *bss_conf,
  572. u32 changes);
  573. void iwl_legacy_tx_cmd_protection(struct iwl_priv *priv,
  574. struct ieee80211_tx_info *info,
  575. __le16 fc, __le32 *tx_flags);
  576. irqreturn_t iwl_legacy_isr(int irq, void *data);
  577. #endif /* __iwl_legacy_core_h__ */