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 TSF_TO_TU(_h, _l) \ 43 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) 44 45 extern struct ieee80211_ops ath9k_htc_ops; 46 extern int htc_modparam_nohwcrypt; 47 #ifdef CONFIG_MAC80211_LEDS 48 extern int ath9k_htc_led_blink; 49 #endif 50 51 enum htc_phymode { 52 HTC_MODE_11NA = 0, 53 HTC_MODE_11NG = 1 54 }; 55 56 enum htc_opmode { 57 HTC_M_STA = 1, 58 HTC_M_IBSS = 0, 59 HTC_M_AHDEMO = 3, 60 HTC_M_HOSTAP = 6, 61 HTC_M_MONITOR = 8, 62 HTC_M_WDS = 2 63 }; 64 65 #define ATH9K_HTC_AMPDU 1 66 #define ATH9K_HTC_NORMAL 2 67 #define ATH9K_HTC_BEACON 3 68 #define ATH9K_HTC_MGMT 4 69 70 #define ATH9K_HTC_TX_CTSONLY 0x1 71 #define ATH9K_HTC_TX_RTSCTS 0x2 72 73 struct tx_frame_hdr { 74 u8 data_type; 75 u8 node_idx; 76 u8 vif_idx; 77 u8 tidno; 78 __be32 flags; /* ATH9K_HTC_TX_* */ 79 u8 key_type; 80 u8 keyix; 81 u8 cookie; 82 u8 pad; 83 } __packed; 84 85 struct tx_mgmt_hdr { 86 u8 node_idx; 87 u8 vif_idx; 88 u8 tidno; 89 u8 flags; 90 u8 key_type; 91 u8 keyix; 92 u8 cookie; 93 u8 pad; 94 } __packed; 95 96 struct tx_beacon_header { 97 u8 vif_index; 98 u8 len_changed; 99 u16 rev; 100 } __packed; 101 102 #define MAX_TX_AMPDU_SUBFRAMES_9271 17 103 #define MAX_TX_AMPDU_SUBFRAMES_7010 22 104 105 struct ath9k_htc_cap_target { 106 __be32 ampdu_limit; 107 u8 ampdu_subframes; 108 u8 enable_coex; 109 u8 tx_chainmask; 110 u8 pad; 111 } __packed; 112 113 struct ath9k_htc_target_vif { 114 u8 index; 115 u8 opmode; 116 u8 myaddr[ETH_ALEN]; 117 u8 ath_cap; 118 __be16 rtsthreshold; 119 u8 pad; 120 } __packed; 121 122 struct ath9k_htc_target_sta { 123 u8 macaddr[ETH_ALEN]; 124 u8 bssid[ETH_ALEN]; 125 u8 sta_index; 126 u8 vif_index; 127 u8 is_vif_sta; 128 __be16 flags; 129 __be16 htcap; 130 __be16 maxampdu; 131 u8 pad; 132 } __packed; 133 134 struct ath9k_htc_target_aggr { 135 u8 sta_index; 136 u8 tidno; 137 u8 aggr_enable; 138 u8 padding; 139 } __packed; 140 141 #define ATH_HTC_RATE_MAX 30 142 143 #define WLAN_RC_DS_FLAG 0x01 144 #define WLAN_RC_40_FLAG 0x02 145 #define WLAN_RC_SGI_FLAG 0x04 146 #define WLAN_RC_HT_FLAG 0x08 147 #define ATH_RC_TX_STBC_FLAG 0x20 148 149 struct ath9k_htc_rateset { 150 u8 rs_nrates; 151 u8 rs_rates[ATH_HTC_RATE_MAX]; 152 }; 153 154 struct ath9k_htc_rate { 155 struct ath9k_htc_rateset legacy_rates; 156 struct ath9k_htc_rateset ht_rates; 157 } __packed; 158 159 struct ath9k_htc_target_rate { 160 u8 sta_index; 161 u8 isnew; 162 __be32 capflags; 163 struct ath9k_htc_rate rates; 164 }; 165 166 struct ath9k_htc_target_rate_mask { 167 u8 vif_index; 168 u8 band; 169 __be32 mask; 170 u16 pad; 171 } __packed; 172 173 struct ath9k_htc_target_int_stats { 174 __be32 rx; 175 __be32 rxorn; 176 __be32 rxeol; 177 __be32 txurn; 178 __be32 txto; 179 __be32 cst; 180 } __packed; 181 182 struct ath9k_htc_target_tx_stats { 183 __be32 xretries; 184 __be32 fifoerr; 185 __be32 filtered; 186 __be32 timer_exp; 187 __be32 shortretries; 188 __be32 longretries; 189 __be32 qnull; 190 __be32 encap_fail; 191 __be32 nobuf; 192 } __packed; 193 194 struct ath9k_htc_target_rx_stats { 195 __be32 nobuf; 196 __be32 host_send; 197 __be32 host_done; 198 } __packed; 199 200 #define ATH9K_HTC_MAX_VIF 2 201 #define ATH9K_HTC_MAX_BCN_VIF 2 202 203 #define INC_VIF(_priv, _type) do { \ 204 switch (_type) { \ 205 case NL80211_IFTYPE_STATION: \ 206 _priv->num_sta_vif++; \ 207 break; \ 208 case NL80211_IFTYPE_ADHOC: \ 209 _priv->num_ibss_vif++; \ 210 break; \ 211 case NL80211_IFTYPE_AP: \ 212 _priv->num_ap_vif++; \ 213 break; \ 214 case NL80211_IFTYPE_MESH_POINT: \ 215 _priv->num_mbss_vif++; \ 216 break; \ 217 default: \ 218 break; \ 219 } \ 220 } while (0) 221 222 #define DEC_VIF(_priv, _type) do { \ 223 switch (_type) { \ 224 case NL80211_IFTYPE_STATION: \ 225 _priv->num_sta_vif--; \ 226 break; \ 227 case NL80211_IFTYPE_ADHOC: \ 228 _priv->num_ibss_vif--; \ 229 break; \ 230 case NL80211_IFTYPE_AP: \ 231 _priv->num_ap_vif--; \ 232 break; \ 233 case NL80211_IFTYPE_MESH_POINT: \ 234 _priv->num_mbss_vif--; \ 235 break; \ 236 default: \ 237 break; \ 238 } \ 239 } while (0) 240 241 struct ath9k_htc_vif { 242 u8 index; 243 u16 seq_no; 244 bool beacon_configured; 245 int bslot; 246 __le64 tsfadjust; 247 }; 248 249 struct ath9k_vif_iter_data { 250 const u8 *hw_macaddr; 251 u8 mask[ETH_ALEN]; 252 }; 253 254 #define ATH9K_HTC_MAX_STA 8 255 #define ATH9K_HTC_MAX_TID 8 256 257 enum tid_aggr_state { 258 AGGR_STOP = 0, 259 AGGR_PROGRESS, 260 AGGR_START, 261 AGGR_OPERATIONAL 262 }; 263 264 struct ath9k_htc_sta { 265 u8 index; 266 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; 267 struct work_struct rc_update_work; 268 struct ath9k_htc_priv *htc_priv; 269 }; 270 271 #define ATH9K_HTC_RXBUF 256 272 #define HTC_RX_FRAME_HEADER_SIZE 40 273 274 struct ath9k_htc_rxbuf { 275 bool in_process; 276 struct sk_buff *skb; 277 struct ath_htc_rx_status rxstatus; 278 struct list_head list; 279 }; 280 281 struct ath9k_htc_rx { 282 struct list_head rxbuf; 283 spinlock_t rxbuflock; 284 }; 285 286 #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */ 287 #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */ 288 #define ATH9K_HTC_TX_RESERVE 10 289 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40 290 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE) 291 292 #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0) 293 #define ATH9K_HTC_OP_TX_DRAIN BIT(1) 294 295 struct ath9k_htc_tx { 296 u8 flags; 297 int queued_cnt; 298 struct sk_buff_head mgmt_ep_queue; 299 struct sk_buff_head cab_ep_queue; 300 struct sk_buff_head data_be_queue; 301 struct sk_buff_head data_bk_queue; 302 struct sk_buff_head data_vi_queue; 303 struct sk_buff_head data_vo_queue; 304 struct sk_buff_head tx_failed; 305 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM); 306 struct timer_list cleanup_timer; 307 spinlock_t tx_lock; 308 }; 309 310 struct ath9k_htc_tx_ctl { 311 u8 type; /* ATH9K_HTC_* */ 312 u8 epid; 313 u8 txok; 314 u8 sta_idx; 315 unsigned long timestamp; 316 }; 317 318 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) 319 { 320 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 321 322 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) > 323 IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 324 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data; 325 } 326 327 #ifdef CONFIG_ATH9K_HTC_DEBUGFS 328 329 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) 330 #define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) 331 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c++) 332 #define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.skbrx_stats.c += a) 333 #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ 334 335 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) 336 337 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, 338 struct ath_rx_status *rs); 339 340 struct ath_tx_stats { 341 u32 buf_queued; 342 u32 buf_completed; 343 u32 skb_queued; 344 u32 skb_success; 345 u32 skb_success_bytes; 346 u32 skb_failed; 347 u32 cab_queued; 348 u32 queue_stats[IEEE80211_NUM_ACS]; 349 }; 350 351 struct ath_skbrx_stats { 352 u32 skb_allocated; 353 u32 skb_completed; 354 u32 skb_completed_bytes; 355 u32 skb_dropped; 356 }; 357 358 struct ath9k_debug { 359 struct dentry *debugfs_phy; 360 struct ath_tx_stats tx_stats; 361 struct ath_rx_stats rx_stats; 362 struct ath_skbrx_stats skbrx_stats; 363 }; 364 365 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw, 366 struct ieee80211_vif *vif, 367 u32 sset, u8 *data); 368 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw, 369 struct ieee80211_vif *vif, int sset); 370 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, 371 struct ieee80211_vif *vif, 372 struct ethtool_stats *stats, u64 *data); 373 #else 374 375 #define TX_STAT_INC(c) do { } while (0) 376 #define TX_STAT_ADD(c, a) do { } while (0) 377 #define RX_STAT_INC(c) do { } while (0) 378 #define RX_STAT_ADD(c, a) do { } while (0) 379 #define CAB_STAT_INC do { } while (0) 380 381 #define TX_QSTAT_INC(c) do { } while (0) 382 383 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv, 384 struct ath_rx_status *rs) 385 { 386 } 387 388 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ 389 390 #define ATH_LED_PIN_DEF 1 391 #define ATH_LED_PIN_9287 10 392 #define ATH_LED_PIN_9271 15 393 #define ATH_LED_PIN_7010 12 394 395 #define BSTUCK_THRESHOLD 10 396 397 /* 398 * Adjust these when the max. no of beaconing interfaces is 399 * increased. 400 */ 401 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */ 402 #define MIN_SWBA_RESPONSE 10 /* in TUs */ 403 404 struct htc_beacon { 405 enum { 406 OK, /* no change needed */ 407 UPDATE, /* update pending */ 408 COMMIT /* beacon sent, commit change */ 409 } updateslot; /* slot time update fsm */ 410 411 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF]; 412 u32 bmisscnt; 413 u32 beaconq; 414 int slottime; 415 int slotupdate; 416 }; 417 418 struct ath_btcoex { 419 u32 bt_priority_cnt; 420 unsigned long bt_priority_time; 421 int bt_stomp_type; /* Types of BT stomping */ 422 u32 btcoex_no_stomp; 423 u32 btcoex_period; 424 u32 btscan_no_stomp; 425 }; 426 427 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 428 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product); 429 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv); 430 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv); 431 #else 432 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product) 433 { 434 } 435 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv) 436 { 437 } 438 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv) 439 { 440 } 441 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ 442 443 #define OP_BT_PRIORITY_DETECTED BIT(3) 444 #define OP_BT_SCAN BIT(4) 445 #define OP_TSF_RESET BIT(6) 446 447 enum htc_op_flags { 448 HTC_FWFLAG_NO_RMW, 449 }; 450 451 struct ath9k_htc_priv { 452 struct device *dev; 453 struct ieee80211_hw *hw; 454 struct ath_hw *ah; 455 struct htc_target *htc; 456 struct wmi *wmi; 457 458 u16 fw_version_major; 459 u16 fw_version_minor; 460 461 enum htc_endpoint_id wmi_cmd_ep; 462 enum htc_endpoint_id beacon_ep; 463 enum htc_endpoint_id cab_ep; 464 enum htc_endpoint_id uapsd_ep; 465 enum htc_endpoint_id mgmt_ep; 466 enum htc_endpoint_id data_be_ep; 467 enum htc_endpoint_id data_bk_ep; 468 enum htc_endpoint_id data_vi_ep; 469 enum htc_endpoint_id data_vo_ep; 470 471 u8 vif_slot; 472 u8 mon_vif_idx; 473 u8 sta_slot; 474 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF]; 475 u8 num_ibss_vif; 476 u8 num_mbss_vif; 477 u8 num_sta_vif; 478 u8 num_sta_assoc_vif; 479 u8 num_ap_vif; 480 481 u16 curtxpow; 482 u16 txpowlimit; 483 u16 nvifs; 484 u16 nstations; 485 bool rearm_ani; 486 bool reconfig_beacon; 487 unsigned int rxfilter; 488 unsigned long op_flags; 489 unsigned long fw_flags; 490 491 struct ath9k_hw_cal_data caldata; 492 struct ath_spec_scan_priv spec_priv; 493 494 spinlock_t beacon_lock; 495 struct ath_beacon_config cur_beacon_conf; 496 struct htc_beacon beacon; 497 498 struct ath9k_htc_rx rx; 499 struct ath9k_htc_tx tx; 500 501 struct tasklet_struct swba_tasklet; 502 struct tasklet_struct rx_tasklet; 503 struct delayed_work ani_work; 504 struct tasklet_struct tx_failed_tasklet; 505 struct work_struct ps_work; 506 struct work_struct fatal_work; 507 508 struct mutex htc_pm_lock; 509 unsigned long ps_usecount; 510 bool ps_enabled; 511 bool ps_idle; 512 513 #ifdef CONFIG_MAC80211_LEDS 514 enum led_brightness brightness; 515 bool led_registered; 516 char led_name[32]; 517 struct led_classdev led_cdev; 518 struct work_struct led_work; 519 #endif 520 521 int cabq; 522 int hwq_map[IEEE80211_NUM_ACS]; 523 524 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT 525 struct ath_btcoex btcoex; 526 #endif 527 528 struct delayed_work coex_period_work; 529 struct delayed_work duty_cycle_work; 530 #ifdef CONFIG_ATH9K_HTC_DEBUGFS 531 struct ath9k_debug debug; 532 #endif 533 struct mutex mutex; 534 }; 535 536 static inline void ath_read_cachesize(struct ath_common *common, int *csz) 537 { 538 common->bus_ops->read_cachesize(common, csz); 539 } 540 541 void ath9k_htc_reset(struct ath9k_htc_priv *priv); 542 543 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv, 544 struct ieee80211_vif *vif); 545 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv, 546 struct ieee80211_vif *vif); 547 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv, 548 struct ieee80211_vif *vif); 549 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv); 550 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv, 551 struct ieee80211_vif *vif); 552 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv); 553 void ath9k_htc_swba(struct ath9k_htc_priv *priv, 554 struct wmi_event_swba *swba); 555 556 void ath9k_htc_rxep(void *priv, struct sk_buff *skb, 557 enum htc_endpoint_id ep_id); 558 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id, 559 bool txok); 560 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb, 561 enum htc_endpoint_id ep_id, bool txok); 562 563 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv, 564 u8 enable_coex); 565 void ath9k_htc_ani_work(struct work_struct *work); 566 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv); 567 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv); 568 569 int ath9k_tx_init(struct ath9k_htc_priv *priv); 570 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, 571 struct ieee80211_sta *sta, 572 struct sk_buff *skb, u8 slot, bool is_cab); 573 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv); 574 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype); 575 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv); 576 int get_hw_qnum(u16 queue, int *hwq_map); 577 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum, 578 struct ath9k_tx_queue_info *qinfo); 579 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv); 580 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv); 581 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv); 582 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot); 583 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv); 584 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event); 585 void ath9k_tx_failed_tasklet(unsigned long data); 586 void ath9k_htc_tx_cleanup_timer(unsigned long data); 587 588 int ath9k_rx_init(struct ath9k_htc_priv *priv); 589 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv); 590 void ath9k_host_rx_init(struct ath9k_htc_priv *priv); 591 void ath9k_rx_tasklet(unsigned long data); 592 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv); 593 594 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv); 595 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv); 596 void ath9k_ps_work(struct work_struct *work); 597 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv, 598 enum ath9k_power_mode mode); 599 600 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv); 601 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw); 602 603 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv); 604 605 #ifdef CONFIG_MAC80211_LEDS 606 void ath9k_configure_leds(struct ath9k_htc_priv *priv); 607 void ath9k_init_leds(struct ath9k_htc_priv *priv); 608 void ath9k_deinit_leds(struct ath9k_htc_priv *priv); 609 void ath9k_led_work(struct work_struct *work); 610 #else 611 static inline void ath9k_configure_leds(struct ath9k_htc_priv *priv) 612 { 613 } 614 615 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv) 616 { 617 } 618 619 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv) 620 { 621 } 622 623 static inline void ath9k_led_work(struct work_struct *work) 624 { 625 } 626 #endif 627 628 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev, 629 u16 devid, char *product, u32 drv_info); 630 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug); 631 #ifdef CONFIG_PM 632 void ath9k_htc_suspend(struct htc_target *htc_handle); 633 int ath9k_htc_resume(struct htc_target *htc_handle); 634 #endif 635 #ifdef CONFIG_ATH9K_HTC_DEBUGFS 636 int ath9k_htc_init_debug(struct ath_hw *ah); 637 void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv); 638 #else 639 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; }; 640 static inline void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv) 641 { 642 } 643 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */ 644 645 #endif /* HTC_H */ 646