1 /* 2 * Copyright (c) 2010-2011 Atheros Communications Inc. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #ifndef HTC_H 18 #define HTC_H 19 20 #include <linux/module.h> 21 #include <linux/usb.h> 22 #include <linux/firmware.h> 23 #include <linux/skbuff.h> 24 #include <linux/netdevice.h> 25 #include <linux/etherdevice.h> 26 #include <linux/leds.h> 27 #include <linux/slab.h> 28 #include <net/mac80211.h> 29 30 #include "common.h" 31 #include "htc_hst.h" 32 #include "hif_usb.h" 33 #include "wmi.h" 34 35 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ 36 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ 37 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */ 38 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ 39 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ 40 41 #define ATH_DEFAULT_BMISS_LIMIT 10 42 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 43 #define TSF_TO_TU(_h, _l) \ 44 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) 45 46 extern struct ieee80211_ops ath9k_htc_ops; 47 extern int htc_modparam_nohwcrypt; 48 49 enum htc_phymode { 50 HTC_MODE_11NA = 0, 51 HTC_MODE_11NG = 1 52 }; 53 54 enum htc_opmode { 55 HTC_M_STA = 1, 56 HTC_M_IBSS = 0, 57 HTC_M_AHDEMO = 3, 58 HTC_M_HOSTAP = 6, 59 HTC_M_MONITOR = 8, 60 HTC_M_WDS = 2 61 }; 62 63 #define ATH9K_HTC_AMPDU 1 64 #define ATH9K_HTC_NORMAL 2 65 #define ATH9K_HTC_BEACON 3 66 #define ATH9K_HTC_MGMT 4 67 68 #define ATH9K_HTC_TX_CTSONLY 0x1 69 #define ATH9K_HTC_TX_RTSCTS 0x2 70 71 struct tx_frame_hdr { 72 u8 data_type; 73 u8 node_idx; 74 u8 vif_idx; 75 u8 tidno; 76 __be32 flags; /* ATH9K_HTC_TX_* */ 77 u8 key_type; 78 u8 keyix; 79 u8 cookie; 80 u8 pad; 81 } __packed; 82 83 struct tx_mgmt_hdr { 84 u8 node_idx; 85 u8 vif_idx; 86 u8 tidno; 87 u8 flags; 88 u8 key_type; 89 u8 keyix; 90 u8 cookie; 91 u8 pad; 92 } __packed; 93 94 struct tx_beacon_header { 95 u8 vif_index; 96 u8 len_changed; 97 u16 rev; 98 } __packed; 99 100 #define MAX_TX_AMPDU_SUBFRAMES_9271 17 101 #define MAX_TX_AMPDU_SUBFRAMES_7010 22 102 103 struct ath9k_htc_cap_target { 104 __be32 ampdu_limit; 105 u8 ampdu_subframes; 106 u8 enable_coex; 107 u8 tx_chainmask; 108 u8 pad; 109 } __packed; 110 111 struct ath9k_htc_target_vif { 112 u8 index; 113 u8 opmode; 114 u8 myaddr[ETH_ALEN]; 115 u8 ath_cap; 116 __be16 rtsthreshold; 117 u8 pad; 118 } __packed; 119 120 struct ath9k_htc_target_sta { 121 u8 macaddr[ETH_ALEN]; 122 u8 bssid[ETH_ALEN]; 123 u8 sta_index; 124 u8 vif_index; 125 u8 is_vif_sta; 126 __be16 flags; 127 __be16 htcap; 128 __be16 maxampdu; 129 u8 pad; 130 } __packed; 131 132 struct ath9k_htc_target_aggr { 133 u8 sta_index; 134 u8 tidno; 135 u8 aggr_enable; 136 u8 padding; 137 } __packed; 138 139 #define ATH_HTC_RATE_MAX 30 140 141 #define WLAN_RC_DS_FLAG 0x01 142 #define WLAN_RC_40_FLAG 0x02 143 #define WLAN_RC_SGI_FLAG 0x04 144 #define WLAN_RC_HT_FLAG 0x08 145 #define ATH_RC_TX_STBC_FLAG 0x20 146 147 struct ath9k_htc_rateset { 148 u8 rs_nrates; 149 u8 rs_rates[ATH_HTC_RATE_MAX]; 150 }; 151 152 struct ath9k_htc_rate { 153 struct ath9k_htc_rateset legacy_rates; 154 struct ath9k_htc_rateset ht_rates; 155 } __packed; 156 157 struct ath9k_htc_target_rate { 158 u8 sta_index; 159 u8 isnew; 160 __be32 capflags; 161 struct ath9k_htc_rate rates; 162 }; 163 164 struct ath9k_htc_target_rate_mask { 165 u8 vif_index; 166 u8 band; 167 __be32 mask; 168 u16 pad; 169 } __packed; 170 171 struct ath9k_htc_target_int_stats { 172 __be32 rx; 173 __be32 rxorn; 174 __be32 rxeol; 175 __be32 txurn; 176 __be32 txto; 177 __be32 cst; 178 } __packed; 179 180 struct ath9k_htc_target_tx_stats { 181 __be32 xretries; 182 __be32 fifoerr; 183 __be32 filtered; 184 __be32 timer_exp; 185 __be32 shortretries; 186 __be32 longretries; 187 __be32 qnull; 188 __be32 encap_fail; 189 __be32 nobuf; 190 } __packed; 191 192 struct ath9k_htc_target_rx_stats { 193 __be32 nobuf; 194 __be32 host_send; 195 __be32 host_done; 196 } __packed; 197 198 #define ATH9K_HTC_MAX_VIF 2 199 #define ATH9K_HTC_MAX_BCN_VIF 2 200 201 #define INC_VIF(_priv, _type) do { \ 202 switch (_type) { \ 203 case NL80211_IFTYPE_STATION: \ 204 _priv->num_sta_vif++; \ 205 break; \ 206 case NL80211_IFTYPE_ADHOC: \ 207 _priv->num_ibss_vif++; \ 208 break; \ 209 case NL80211_IFTYPE_AP: \ 210 _priv->num_ap_vif++; \ 211 break; \ 212 case NL80211_IFTYPE_MESH_POINT: \ 213 _priv->num_mbss_vif++; \ 214 break; \ 215 default: \ 216 break; \ 217 } \ 218 } while (0) 219 220 #define DEC_VIF(_priv, _type) do { \ 221 switch (_type) { \ 222 case NL80211_IFTYPE_STATION: \ 223 _priv->num_sta_vif--; \ 224 break; \ 225 case NL80211_IFTYPE_ADHOC: \ 226 _priv->num_ibss_vif--; \ 227 break; \ 228 case NL80211_IFTYPE_AP: \ 229 _priv->num_ap_vif--; \ 230 break; \ 231 case NL80211_IFTYPE_MESH_POINT: \ 232 _priv->num_mbss_vif--; \ 233 break; \ 234 default: \ 235 break; \ 236 } \ 237 } while (0) 238 239 struct ath9k_htc_vif { 240 u8 index; 241 u16 seq_no; 242 bool beacon_configured; 243 int bslot; 244 __le64 tsfadjust; 245 }; 246 247 struct ath9k_vif_iter_data { 248 const u8 *hw_macaddr; 249 u8 mask[ETH_ALEN]; 250 }; 251 252 #define ATH9K_HTC_MAX_STA 8 253 #define ATH9K_HTC_MAX_TID 8 254 255 enum tid_aggr_state { 256 AGGR_STOP = 0, 257 AGGR_PROGRESS, 258 AGGR_START, 259 AGGR_OPERATIONAL 260 }; 261 262 struct ath9k_htc_sta { 263 u8 index; 264 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; 265 struct work_struct rc_update_work; 266 struct ath9k_htc_priv *htc_priv; 267 }; 268 269 #define ATH9K_HTC_RXBUF 256 270 #define HTC_RX_FRAME_HEADER_SIZE 40 271 272 struct ath9k_htc_rxbuf { 273 bool in_process; 274 struct sk_buff *skb; 275 struct ath_htc_rx_status rxstatus; 276 struct list_head list; 277 }; 278 279 struct ath9k_htc_rx { 280 struct list_head rxbuf; 281 spinlock_t rxbuflock; 282 }; 283 284 #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */ 285 #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */ 286 #define ATH9K_HTC_TX_RESERVE 10 287 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40 288 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE) 289 290 #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0) 291 #define ATH9K_HTC_OP_TX_DRAIN BIT(1) 292 293 struct ath9k_htc_tx { 294 u8 flags; 295 int queued_cnt; 296 struct sk_buff_head mgmt_ep_queue; 297 struct sk_buff_head cab_ep_queue; 298 struct sk_buff_head data_be_queue; 299 struct sk_buff_head data_bk_queue; 300 struct sk_buff_head data_vi_queue; 301 struct sk_buff_head data_vo_queue; 302 struct sk_buff_head tx_failed; 303 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM); 304 struct timer_list cleanup_timer; 305 spinlock_t tx_lock; 306 }; 307 308 struct ath9k_htc_tx_ctl { 309 u8 type; /* ATH9K_HTC_* */ 310 u8 epid; 311 u8 txok; 312 u8 sta_idx; 313 unsigned long timestamp; 314 }; 315 316 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) 317 { 318 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 319 320 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) > 321 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 322 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data; 323 } 324 325 #ifdef CONFIG_ATH9K_HTC_DEBUGFS 326 327 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) 328 #define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) 329 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++) 330 #define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c += a) 331 #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ 332 333 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) 334 335 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, 336 struct ath_htc_rx_status *rxs); 337 338 struct ath_tx_stats { 339 u32 buf_queued; 340 u32 buf_completed; 341 u32 skb_queued; 342 u32 skb_success; 343 u32 skb_success_bytes; 344 u32 skb_failed; 345 u32 cab_queued; 346 u32 queue_stats[IEEE80211_NUM_ACS]; 347 }; 348 349 struct ath_rx_stats { 350 u32 skb_allocated; 351 u32 skb_completed; 352 u32 skb_completed_bytes; 353 u32 skb_dropped; 354 u32 err_crc; 355 u32 err_decrypt_crc; 356 u32 err_mic; 357 u32 err_pre_delim; 358 u32 err_post_delim; 359 u32 err_decrypt_busy; 360 u32 err_phy; 361 u32 err_phy_stats[ATH9K_PHYERR_MAX]; 362 }; 363 364 struct ath9k_debug { 365 struct dentry *debugfs_phy; 366 struct ath_tx_stats tx_stats; 367 struct ath_rx_stats rx_stats; 368 }; 369 370 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw, 371 struct ieee80211_vif *vif, 372 u32 sset, u8 *data); 373 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw, 374 struct ieee80211_vif *vif, int sset); 375 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, 376 struct ieee80211_vif *vif, 377 struct ethtool_stats *stats, u64 *data); 378 #else 379 380 #define TX_STAT_INC(c) do { } while (0) 381 #define TX_STAT_ADD(c, a) do { } while (0) 382 #define RX_STAT_INC(c) do { } while (0) 383 #define RX_STAT_ADD(c, a) do { } while (0) 384 #define CAB_STAT_INC do { } while (0) 385 386 #define TX_QSTAT_INC(c) do { } while (0) 387 388 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, 389 struct ath_htc_rx_status *rxs) 390 { 391 } 392 393 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ 394 395 #define ATH_LED_PIN_DEF 1 396 #define ATH_LED_PIN_9287 10 397 #define ATH_LED_PIN_9271 15 398 #define ATH_LED_PIN_7010 12 399 400 #define BSTUCK_THRESHOLD 10 401 402 /* 403 * Adjust these when the max. no of beaconing interfaces is 404 * increased. 405 */ 406 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */ 407 #define MIN_SWBA_RESPONSE 10 /* in TUs */ 408 409 struct htc_beacon { 410 enum { 411 OK, /* no change needed */ 412 UPDATE, /* update pending */ 413 COMMIT /* beacon sent, commit change */ 414 } updateslot; /* slot time update fsm */ 415 416 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF]; 417 u32 bmisscnt; 418 u32 beaconq; 419 int slottime; 420 int slotupdate; 421 }; 422 423 struct ath_btcoex { 424 u32 bt_priority_cnt; 425 unsigned long bt_priority_time; 426 int bt_stomp_type; /* Types of BT stomping */ 427 u32 btcoex_no_stomp; 428 u32 btcoex_period; 429 u32 btscan_no_stomp; 430 }; 431 432 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 433 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product); 434 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv); 435 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv); 436 #else 437 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product) 438 { 439 } 440 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv) 441 { 442 } 443 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv) 444 { 445 } 446 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ 447 448 #define OP_BT_PRIORITY_DETECTED BIT(3) 449 #define OP_BT_SCAN BIT(4) 450 #define OP_TSF_RESET BIT(6) 451 452 struct ath9k_htc_priv { 453 struct device *dev; 454 struct ieee80211_hw *hw; 455 struct ath_hw *ah; 456 struct htc_target *htc; 457 struct wmi *wmi; 458 459 u16 fw_version_major; 460 u16 fw_version_minor; 461 462 enum htc_endpoint_id wmi_cmd_ep; 463 enum htc_endpoint_id beacon_ep; 464 enum htc_endpoint_id cab_ep; 465 enum htc_endpoint_id uapsd_ep; 466 enum htc_endpoint_id mgmt_ep; 467 enum htc_endpoint_id data_be_ep; 468 enum htc_endpoint_id data_bk_ep; 469 enum htc_endpoint_id data_vi_ep; 470 enum htc_endpoint_id data_vo_ep; 471 472 u8 vif_slot; 473 u8 mon_vif_idx; 474 u8 sta_slot; 475 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF]; 476 u8 num_ibss_vif; 477 u8 num_mbss_vif; 478 u8 num_sta_vif; 479 u8 num_sta_assoc_vif; 480 u8 num_ap_vif; 481 482 u16 curtxpow; 483 u16 txpowlimit; 484 u16 nvifs; 485 u16 nstations; 486 bool rearm_ani; 487 bool reconfig_beacon; 488 unsigned int rxfilter; 489 unsigned long op_flags; 490 491 struct ath9k_hw_cal_data caldata; 492 493 spinlock_t beacon_lock; 494 struct ath_beacon_config cur_beacon_conf; 495 struct htc_beacon beacon; 496 497 struct ath9k_htc_rx rx; 498 struct ath9k_htc_tx tx; 499 500 struct tasklet_struct swba_tasklet; 501 struct tasklet_struct rx_tasklet; 502 struct delayed_work ani_work; 503 struct tasklet_struct tx_failed_tasklet; 504 struct work_struct ps_work; 505 struct work_struct fatal_work; 506 507 struct mutex htc_pm_lock; 508 unsigned long ps_usecount; 509 bool ps_enabled; 510 bool ps_idle; 511 512 #ifdef CONFIG_MAC80211_LEDS 513 enum led_brightness brightness; 514 bool led_registered; 515 char led_name[32]; 516 struct led_classdev led_cdev; 517 struct work_struct led_work; 518 #endif 519 520 int cabq; 521 int hwq_map[IEEE80211_NUM_ACS]; 522 523 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 524 struct ath_btcoex btcoex; 525 #endif 526 527 struct delayed_work coex_period_work; 528 struct delayed_work duty_cycle_work; 529 #ifdef CONFIG_ATH9K_HTC_DEBUGFS 530 struct ath9k_debug debug; 531 #endif 532 struct mutex mutex; 533 }; 534 535 static inline void ath_read_cachesize(struct ath_common *common, int *csz) 536 { 537 common->bus_ops->read_cachesize(common, csz); 538 } 539 540 void ath9k_htc_reset(struct ath9k_htc_priv *priv); 541 542 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv, 543 struct ieee80211_vif *vif); 544 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv, 545 struct ieee80211_vif *vif); 546 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv, 547 struct ieee80211_vif *vif); 548 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv); 549 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, 550 struct ieee80211_vif *vif); 551 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv); 552 void ath9k_htc_swba(struct ath9k_htc_priv *priv, 553 struct wmi_event_swba *swba); 554 555 void ath9k_htc_rxep(void *priv, struct sk_buff *skb, 556 enum htc_endpoint_id ep_id); 557 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id, 558 bool txok); 559 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, 560 enum htc_endpoint_id ep_id, bool txok); 561 562 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv, 563 u8 enable_coex); 564 void ath9k_htc_ani_work(struct work_struct *work); 565 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv); 566 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv); 567 568 int ath9k_tx_init(struct ath9k_htc_priv *priv); 569 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, 570 struct ieee80211_sta *sta, 571 struct sk_buff *skb, u8 slot, bool is_cab); 572 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv); 573 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype); 574 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv); 575 int get_hw_qnum(u16 queue, int *hwq_map); 576 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum, 577 struct ath9k_tx_queue_info *qinfo); 578 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv); 579 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv); 580 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv); 581 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot); 582 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv); 583 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event); 584 void ath9k_tx_failed_tasklet(unsigned long data); 585 void ath9k_htc_tx_cleanup_timer(unsigned long data); 586 587 int ath9k_rx_init(struct ath9k_htc_priv *priv); 588 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv); 589 void ath9k_host_rx_init(struct ath9k_htc_priv *priv); 590 void ath9k_rx_tasklet(unsigned long data); 591 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv); 592 593 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv); 594 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv); 595 void ath9k_ps_work(struct work_struct *work); 596 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, 597 enum ath9k_power_mode mode); 598 599 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv); 600 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw); 601 602 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv); 603 604 #ifdef CONFIG_MAC80211_LEDS 605 void ath9k_configure_leds(struct ath9k_htc_priv *priv); 606 void ath9k_init_leds(struct ath9k_htc_priv *priv); 607 void ath9k_deinit_leds(struct ath9k_htc_priv *priv); 608 void ath9k_led_work(struct work_struct *work); 609 #else 610 static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv) 611 { 612 } 613 614 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv) 615 { 616 } 617 618 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv) 619 { 620 } 621 622 static inline void ath9k_led_work(struct work_struct *work) 623 { 624 } 625 #endif 626 627 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, 628 u16 devid, char *product, u32 drv_info); 629 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug); 630 #ifdef CONFIG_PM 631 void ath9k_htc_suspend(struct htc_target *htc_handle); 632 int ath9k_htc_resume(struct htc_target *htc_handle); 633 #endif 634 #ifdef CONFIG_ATH9K_HTC_DEBUGFS 635 int ath9k_htc_init_debug(struct ath_hw *ah); 636 #else 637 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; }; 638 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ 639 640 #endif /* HTC_H */ 641