drivers/net/wireless/ath/ath9k/htc.h

   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
 146 struct ath9k_htc_rateset {
 147         u8 rs_nrates;
 148         u8 rs_rates[ATH_HTC_RATE_MAX];
 149 };
 150
 151 struct ath9k_htc_rate {
 152         struct ath9k_htc_rateset legacy_rates;
 153         struct ath9k_htc_rateset ht_rates;
 154 } __packed;
 155
 156 struct ath9k_htc_target_rate {
 157         u8 sta_index;
 158         u8 isnew;
 159         __be32 capflags;
 160         struct ath9k_htc_rate rates;
 161 };
 162
 163 struct ath9k_htc_target_rate_mask {
 164         u8 vif_index;
 165         u8 band;
 166         __be32 mask;
 167         u16 pad;
 168 } __packed;
 169
 170 struct ath9k_htc_target_int_stats {
 171         __be32 rx;
 172         __be32 rxorn;
 173         __be32 rxeol;
 174         __be32 txurn;
 175         __be32 txto;
 176         __be32 cst;
 177 } __packed;
 178
 179 struct ath9k_htc_target_tx_stats {
 180         __be32 xretries;
 181         __be32 fifoerr;
 182         __be32 filtered;
 183         __be32 timer_exp;
 184         __be32 shortretries;
 185         __be32 longretries;
 186         __be32 qnull;
 187         __be32 encap_fail;
 188         __be32 nobuf;
 189 } __packed;
 190
 191 struct ath9k_htc_target_rx_stats {
 192         __be32 nobuf;
 193         __be32 host_send;
 194         __be32 host_done;
 195 } __packed;
 196
 197 #define ATH9K_HTC_MAX_VIF 2
 198 #define ATH9K_HTC_MAX_BCN_VIF 2
 199
 200 #define INC_VIF(_priv, _type) do {              \
 201                 switch (_type) {                \
 202                 case NL80211_IFTYPE_STATION:    \
 203                         _priv->num_sta_vif++;   \
 204                         break;                  \
 205                 case NL80211_IFTYPE_ADHOC:      \
 206                         _priv->num_ibss_vif++;  \
 207                         break;                  \
 208                 case NL80211_IFTYPE_AP:         \
 209                         _priv->num_ap_vif++;    \
 210                         break;                  \
 211                 case NL80211_IFTYPE_MESH_POINT: \
 212                         _priv->num_mbss_vif++;  \
 213                         break;                  \
 214                 default:                        \
 215                         break;                  \
 216                 }                               \
 217         } while (0)
 218
 219 #define DEC_VIF(_priv, _type) do {              \
 220                 switch (_type) {                \
 221                 case NL80211_IFTYPE_STATION:    \
 222                         _priv->num_sta_vif--;   \
 223                         break;                  \
 224                 case NL80211_IFTYPE_ADHOC:      \
 225                         _priv->num_ibss_vif--;  \
 226                         break;                  \
 227                 case NL80211_IFTYPE_AP:         \
 228                         _priv->num_ap_vif--;    \
 229                         break;                  \
 230                 case NL80211_IFTYPE_MESH_POINT: \
 231                         _priv->num_mbss_vif--;  \
 232                         break;                  \
 233                 default:                        \
 234                         break;                  \
 235                 }                               \
 236         } while (0)
 237
 238 struct ath9k_htc_vif {
 239         u8 index;
 240         u16 seq_no;
 241         bool beacon_configured;
 242         int bslot;
 243         __le64 tsfadjust;
 244 };
 245
 246 struct ath9k_vif_iter_data {
 247         const u8 *hw_macaddr;
 248         u8 mask[ETH_ALEN];
 249 };
 250
 251 #define ATH9K_HTC_MAX_STA 8
 252 #define ATH9K_HTC_MAX_TID 8
 253
 254 enum tid_aggr_state {
 255         AGGR_STOP = 0,
 256         AGGR_PROGRESS,
 257         AGGR_START,
 258         AGGR_OPERATIONAL
 259 };
 260
 261 struct ath9k_htc_sta {
 262         u8 index;
 263         enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
 264 };
 265
 266 #define ATH9K_HTC_RXBUF 256
 267 #define HTC_RX_FRAME_HEADER_SIZE 40
 268
 269 struct ath9k_htc_rxbuf {
 270         bool in_process;
 271         struct sk_buff *skb;
 272         struct ath_htc_rx_status rxstatus;
 273         struct list_head list;
 274 };
 275
 276 struct ath9k_htc_rx {
 277         int last_rssi; /* FIXME: per-STA */
 278         struct list_head rxbuf;
 279         spinlock_t rxbuflock;
 280 };
 281
 282 #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */
 283 #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */
 284 #define ATH9K_HTC_TX_RESERVE 10
 285 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40
 286 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
 287
 288 #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
 289 #define ATH9K_HTC_OP_TX_DRAIN       BIT(1)
 290
 291 struct ath9k_htc_tx {
 292         u8 flags;
 293         int queued_cnt;
 294         struct sk_buff_head mgmt_ep_queue;
 295         struct sk_buff_head cab_ep_queue;
 296         struct sk_buff_head data_be_queue;
 297         struct sk_buff_head data_bk_queue;
 298         struct sk_buff_head data_vi_queue;
 299         struct sk_buff_head data_vo_queue;
 300         struct sk_buff_head tx_failed;
 301         DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
 302         struct timer_list cleanup_timer;
 303         spinlock_t tx_lock;
 304 };
 305
 306 struct ath9k_htc_tx_ctl {
 307         u8 type; /* ATH9K_HTC_* */
 308         u8 epid;
 309         u8 txok;
 310         u8 sta_idx;
 311         unsigned long timestamp;
 312 };
 313
 314 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
 315 {
 316         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 317
 318         BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
 319                      IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
 320         return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
 321 }
 322
 323 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
 324
 325 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
 326 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
 327 #define CAB_STAT_INC   priv->debug.tx_stats.cab_queued++
 328
 329 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
 330
 331 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
 332                            struct ath_htc_rx_status *rxs);
 333
 334 struct ath_tx_stats {
 335         u32 buf_queued;
 336         u32 buf_completed;
 337         u32 skb_queued;
 338         u32 skb_success;
 339         u32 skb_failed;
 340         u32 cab_queued;
 341         u32 queue_stats[IEEE80211_NUM_ACS];
 342 };
 343
 344 struct ath_rx_stats {
 345         u32 skb_allocated;
 346         u32 skb_completed;
 347         u32 skb_dropped;
 348         u32 err_crc;
 349         u32 err_decrypt_crc;
 350         u32 err_mic;
 351         u32 err_pre_delim;
 352         u32 err_post_delim;
 353         u32 err_decrypt_busy;
 354         u32 err_phy;
 355         u32 err_phy_stats[ATH9K_PHYERR_MAX];
 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 };
 363
 364 #else
 365
 366 #define TX_STAT_INC(c) do { } while (0)
 367 #define RX_STAT_INC(c) do { } while (0)
 368 #define CAB_STAT_INC   do { } while (0)
 369
 370 #define TX_QSTAT_INC(c) do { } while (0)
 371
 372 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
 373                                          struct ath_htc_rx_status *rxs)
 374 {
 375 }
 376
 377 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
 378
 379 #define ATH_LED_PIN_DEF             1
 380 #define ATH_LED_PIN_9287            10
 381 #define ATH_LED_PIN_9271            15
 382 #define ATH_LED_PIN_7010            12
 383
 384 #define BSTUCK_THRESHOLD 10
 385
 386 /*
 387  * Adjust these when the max. no of beaconing interfaces is
 388  * increased.
 389  */
 390 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
 391 #define MIN_SWBA_RESPONSE     10 /* in TUs */
 392
 393 struct htc_beacon_config {
 394         struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
 395         u16 beacon_interval;
 396         u16 dtim_period;
 397         u16 bmiss_timeout;
 398         u32 bmiss_cnt;
 399 };
 400
 401 struct ath_btcoex {
 402         u32 bt_priority_cnt;
 403         unsigned long bt_priority_time;
 404         int bt_stomp_type; /* Types of BT stomping */
 405         u32 btcoex_no_stomp;
 406         u32 btcoex_period;
 407         u32 btscan_no_stomp;
 408 };
 409
 410 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 411 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
 412 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
 413 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
 414 #else
 415 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
 416 {
 417 }
 418 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
 419 {
 420 }
 421 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
 422 {
 423 }
 424 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 425
 426 #define OP_INVALID                 BIT(0)
 427 #define OP_SCANNING                BIT(1)
 428 #define OP_ENABLE_BEACON           BIT(2)
 429 #define OP_BT_PRIORITY_DETECTED    BIT(3)
 430 #define OP_BT_SCAN                 BIT(4)
 431 #define OP_ANI_RUNNING             BIT(5)
 432 #define OP_TSF_RESET               BIT(6)
 433
 434 struct ath9k_htc_priv {
 435         struct device *dev;
 436         struct ieee80211_hw *hw;
 437         struct ath_hw *ah;
 438         struct htc_target *htc;
 439         struct wmi *wmi;
 440
 441         u16 fw_version_major;
 442         u16 fw_version_minor;
 443
 444         enum htc_endpoint_id wmi_cmd_ep;
 445         enum htc_endpoint_id beacon_ep;
 446         enum htc_endpoint_id cab_ep;
 447         enum htc_endpoint_id uapsd_ep;
 448         enum htc_endpoint_id mgmt_ep;
 449         enum htc_endpoint_id data_be_ep;
 450         enum htc_endpoint_id data_bk_ep;
 451         enum htc_endpoint_id data_vi_ep;
 452         enum htc_endpoint_id data_vo_ep;
 453
 454         u8 vif_slot;
 455         u8 mon_vif_idx;
 456         u8 sta_slot;
 457         u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
 458         u8 num_ibss_vif;
 459         u8 num_mbss_vif;
 460         u8 num_sta_vif;
 461         u8 num_sta_assoc_vif;
 462         u8 num_ap_vif;
 463
 464         u16 curtxpow;
 465         u16 txpowlimit;
 466         u16 nvifs;
 467         u16 nstations;
 468         bool rearm_ani;
 469         bool reconfig_beacon;
 470         unsigned int rxfilter;
 471         unsigned long op_flags;
 472
 473         struct ath9k_hw_cal_data caldata;
 474         struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
 475
 476         spinlock_t beacon_lock;
 477         struct htc_beacon_config cur_beacon_conf;
 478
 479         struct ath9k_htc_rx rx;
 480         struct ath9k_htc_tx tx;
 481
 482         struct tasklet_struct swba_tasklet;
 483         struct tasklet_struct rx_tasklet;
 484         struct delayed_work ani_work;
 485         struct tasklet_struct tx_failed_tasklet;
 486         struct work_struct ps_work;
 487         struct work_struct fatal_work;
 488
 489         struct mutex htc_pm_lock;
 490         unsigned long ps_usecount;
 491         bool ps_enabled;
 492         bool ps_idle;
 493
 494 #ifdef CONFIG_MAC80211_LEDS
 495         enum led_brightness brightness;
 496         bool led_registered;
 497         char led_name[32];
 498         struct led_classdev led_cdev;
 499         struct work_struct led_work;
 500 #endif
 501
 502         int beaconq;
 503         int cabq;
 504         int hwq_map[IEEE80211_NUM_ACS];
 505
 506 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
 507         struct ath_btcoex btcoex;
 508 #endif
 509
 510         struct delayed_work coex_period_work;
 511         struct delayed_work duty_cycle_work;
 512 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
 513         struct ath9k_debug debug;
 514 #endif
 515         struct mutex mutex;
 516 };
 517
 518 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
 519 {
 520         common->bus_ops->read_cachesize(common, csz);
 521 }
 522
 523 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
 524
 525 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
 526                             struct ieee80211_vif *vif);
 527 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
 528                             struct ieee80211_vif *vif);
 529 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
 530                              struct ieee80211_vif *vif);
 531 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
 532 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
 533                              struct ieee80211_vif *vif);
 534 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
 535 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
 536                     struct wmi_event_swba *swba);
 537
 538 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
 539                     enum htc_endpoint_id ep_id);
 540 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
 541                     bool txok);
 542 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
 543                         enum htc_endpoint_id ep_id, bool txok);
 544
 545 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
 546                                 u8 enable_coex);
 547 void ath9k_htc_ani_work(struct work_struct *work);
 548 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
 549 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
 550
 551 int ath9k_tx_init(struct ath9k_htc_priv *priv);
 552 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
 553                        struct ieee80211_sta *sta,
 554                        struct sk_buff *skb, u8 slot, bool is_cab);
 555 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
 556 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
 557 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
 558 int get_hw_qnum(u16 queue, int *hwq_map);
 559 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
 560                        struct ath9k_tx_queue_info *qinfo);
 561 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
 562 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
 563 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
 564 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
 565 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
 566 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
 567 void ath9k_tx_failed_tasklet(unsigned long data);
 568 void ath9k_htc_tx_cleanup_timer(unsigned long data);
 569
 570 int ath9k_rx_init(struct ath9k_htc_priv *priv);
 571 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
 572 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
 573 void ath9k_rx_tasklet(unsigned long data);
 574 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
 575
 576 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
 577 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
 578 void ath9k_ps_work(struct work_struct *work);
 579 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
 580                         enum ath9k_power_mode mode);
 581
 582 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
 583 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
 584
 585 #ifdef CONFIG_MAC80211_LEDS
 586 void ath9k_init_leds(struct ath9k_htc_priv *priv);
 587 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
 588 void ath9k_led_work(struct work_struct *work);
 589 #else
 590 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
 591 {
 592 }
 593
 594 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
 595 {
 596 }
 597
 598 static inline void ath9k_led_work(struct work_struct *work)
 599 {
 600 }
 601 #endif
 602
 603 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
 604                            u16 devid, char *product, u32 drv_info);
 605 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
 606 #ifdef CONFIG_PM
 607 void ath9k_htc_suspend(struct htc_target *htc_handle);
 608 int ath9k_htc_resume(struct htc_target *htc_handle);
 609 #endif
 610 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
 611 int ath9k_htc_init_debug(struct ath_hw *ah);
 612 #else
 613 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
 614 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
 615
 616 #endif /* HTC_H */