2 * Copyright (c) 2010 Atheros Communications Inc.
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.
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.
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/leds.h>
26 #include <linux/slab.h>
27 #include <net/mac80211.h>
34 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
35 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
36 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
37 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
39 #define ATH_DEFAULT_BMISS_LIMIT 10
40 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
41 #define TSF_TO_TU(_h, _l) \
42 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
44 extern struct ieee80211_ops ath9k_htc_ops;
45 extern int htc_modparam_nohwcrypt;
68 #define ATH9K_HTC_HDRSPACE sizeof(struct htc_frame_hdr)
69 #define ATH9K_HTC_AMPDU 1
70 #define ATH9K_HTC_NORMAL 2
72 #define ATH9K_HTC_TX_CTSONLY 0x1
73 #define ATH9K_HTC_TX_RTSCTS 0x2
74 #define ATH9K_HTC_TX_USE_MIN_RATE 0x100
81 __be32 flags; /* ATH9K_HTC_TX_* */
97 struct tx_beacon_header {
103 struct ath9k_htc_target_hw {
109 u8 tx_chainmask_legacy;
114 struct ath9k_htc_cap_target {
120 u8 tx_chainmask_legacy;
125 struct ath9k_htc_target_vif {
127 u8 des_bssid[ETH_ALEN];
140 #define ATH_HTC_STA_AUTH 0x0001
141 #define ATH_HTC_STA_QOS 0x0002
142 #define ATH_HTC_STA_ERP 0x0004
143 #define ATH_HTC_STA_HT 0x0008
145 /* FIXME: UAPSD variables */
146 struct ath9k_htc_target_sta {
150 u8 macaddr[ETH_ALEN];
155 __be16 flags; /* ATH_HTC_STA_* */
159 struct ath9k_htc_target_hw *hw;
160 struct ath9k_htc_target_vif *vif;
168 struct ath9k_htc_target_aggr {
175 #define ATH_HTC_RATE_MAX 30
177 #define WLAN_RC_DS_FLAG 0x01
178 #define WLAN_RC_40_FLAG 0x02
179 #define WLAN_RC_SGI_FLAG 0x04
180 #define WLAN_RC_HT_FLAG 0x08
182 struct ath9k_htc_rateset {
184 u8 rs_rates[ATH_HTC_RATE_MAX];
187 struct ath9k_htc_rate {
188 struct ath9k_htc_rateset legacy_rates;
189 struct ath9k_htc_rateset ht_rates;
192 struct ath9k_htc_target_rate {
196 struct ath9k_htc_rate rates;
199 struct ath9k_htc_target_stats {
200 __be32 tx_shortretry;
203 __be32 ht_txunaggr_xretry;
204 __be32 ht_tx_xretries;
207 #define ATH9K_HTC_MAX_VIF 2
209 #define INC_VIF(_priv, _type) do { \
211 case NL80211_IFTYPE_STATION: \
212 _priv->num_sta_vif++; \
214 case NL80211_IFTYPE_ADHOC: \
215 _priv->num_ibss_vif++; \
222 #define DEC_VIF(_priv, _type) do { \
224 case NL80211_IFTYPE_STATION: \
225 _priv->num_sta_vif--; \
227 case NL80211_IFTYPE_ADHOC: \
228 _priv->num_ibss_vif--; \
235 struct ath9k_htc_vif {
240 struct ath9k_vif_iter_data {
241 const u8 *hw_macaddr;
245 #define ATH9K_HTC_MAX_STA 8
246 #define ATH9K_HTC_MAX_TID 8
248 enum tid_aggr_state {
255 struct ath9k_htc_sta {
257 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
260 #define ATH9K_HTC_RXBUF 256
261 #define HTC_RX_FRAME_HEADER_SIZE 40
263 struct ath9k_htc_rxbuf {
266 struct ath_htc_rx_status rxstatus;
267 struct list_head list;
270 struct ath9k_htc_rx {
271 int last_rssi; /* FIXME: per-STA */
272 struct list_head rxbuf;
273 spinlock_t rxbuflock;
276 struct ath9k_htc_tx_ctl {
277 u8 type; /* ATH9K_HTC_* */
280 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
282 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
283 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
285 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
287 struct ath_tx_stats {
293 u32 queue_stats[WME_NUM_AC];
296 struct ath_rx_stats {
303 struct dentry *debugfs_phy;
304 struct dentry *debugfs_tgt_stats;
305 struct dentry *debugfs_xmit;
306 struct dentry *debugfs_recv;
307 struct ath_tx_stats tx_stats;
308 struct ath_rx_stats rx_stats;
314 #define TX_STAT_INC(c) do { } while (0)
315 #define RX_STAT_INC(c) do { } while (0)
317 #define TX_QSTAT_INC(c) do { } while (0)
319 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
321 #define ATH_LED_PIN_DEF 1
322 #define ATH_LED_PIN_9287 8
323 #define ATH_LED_PIN_9271 15
324 #define ATH_LED_PIN_7010 12
325 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
326 #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
336 struct ath9k_htc_priv *priv;
337 struct led_classdev led_cdev;
338 enum ath_led_type led_type;
339 struct delayed_work brightness_work;
345 struct htc_beacon_config {
355 unsigned long bt_priority_time;
356 int bt_stomp_type; /* Types of BT stomping */
362 void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv);
363 void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv);
364 void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
366 #define OP_INVALID BIT(0)
367 #define OP_SCANNING BIT(1)
368 #define OP_LED_ASSOCIATED BIT(2)
369 #define OP_LED_ON BIT(3)
370 #define OP_ENABLE_BEACON BIT(4)
371 #define OP_LED_DEINIT BIT(5)
372 #define OP_BT_PRIORITY_DETECTED BIT(6)
373 #define OP_BT_SCAN BIT(7)
375 struct ath9k_htc_priv {
377 struct ieee80211_hw *hw;
379 struct htc_target *htc;
382 enum htc_endpoint_id wmi_cmd_ep;
383 enum htc_endpoint_id beacon_ep;
384 enum htc_endpoint_id cab_ep;
385 enum htc_endpoint_id uapsd_ep;
386 enum htc_endpoint_id mgmt_ep;
387 enum htc_endpoint_id data_be_ep;
388 enum htc_endpoint_id data_bk_ep;
389 enum htc_endpoint_id data_vi_ep;
390 enum htc_endpoint_id data_vo_ep;
395 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
406 bool reconfig_beacon;
408 struct ath9k_hw_cal_data caldata;
410 spinlock_t beacon_lock;
415 struct ieee80211_vif *vif;
416 struct htc_beacon_config cur_beacon_conf;
417 unsigned int rxfilter;
418 struct tasklet_struct swba_tasklet;
419 struct tasklet_struct rx_tasklet;
420 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
421 struct ath9k_htc_rx rx;
422 struct tasklet_struct tx_tasklet;
423 struct sk_buff_head tx_queue;
424 struct delayed_work ath9k_ani_work;
425 struct work_struct ps_work;
426 struct work_struct fatal_work;
428 struct mutex htc_pm_lock;
429 unsigned long ps_usecount;
433 struct ath_led radio_led;
434 struct ath_led assoc_led;
435 struct ath_led tx_led;
436 struct ath_led rx_led;
437 struct delayed_work ath9k_led_blink_work;
439 int led_off_duration;
445 int hwq_map[WME_NUM_AC];
447 struct ath_btcoex btcoex;
448 struct delayed_work coex_period_work;
449 struct delayed_work duty_cycle_work;
450 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
451 struct ath9k_debug debug;
456 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
458 common->bus_ops->read_cachesize(common, csz);
461 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
463 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
464 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
465 struct ieee80211_vif *vif);
466 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
467 void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending);
469 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
470 enum htc_endpoint_id ep_id);
471 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
473 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
474 enum htc_endpoint_id ep_id, bool txok);
476 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv);
477 void ath9k_htc_station_work(struct work_struct *work);
478 void ath9k_htc_aggr_work(struct work_struct *work);
479 void ath9k_ani_work(struct work_struct *work);
480 void ath_start_ani(struct ath9k_htc_priv *priv);
482 int ath9k_tx_init(struct ath9k_htc_priv *priv);
483 void ath9k_tx_tasklet(unsigned long data);
484 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
485 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
486 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
487 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
488 int get_hw_qnum(u16 queue, int *hwq_map);
489 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
490 struct ath9k_tx_queue_info *qinfo);
492 int ath9k_rx_init(struct ath9k_htc_priv *priv);
493 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
494 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
495 void ath9k_rx_tasklet(unsigned long data);
496 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
498 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
499 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
500 void ath9k_ps_work(struct work_struct *work);
501 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
502 enum ath9k_power_mode mode);
504 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
505 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
506 void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
507 void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
508 void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv);
509 void ath9k_init_leds(struct ath9k_htc_priv *priv);
510 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
512 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
513 u16 devid, char *product, u32 drv_info);
514 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
516 void ath9k_htc_suspend(struct htc_target *htc_handle);
517 int ath9k_htc_resume(struct htc_target *htc_handle);
519 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
520 int ath9k_htc_debug_create_root(void);
521 void ath9k_htc_debug_remove_root(void);
522 int ath9k_htc_init_debug(struct ath_hw *ah);
523 void ath9k_htc_exit_debug(struct ath_hw *ah);
525 static inline int ath9k_htc_debug_create_root(void) { return 0; };
526 static inline void ath9k_htc_debug_remove_root(void) {};
527 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
528 static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {};
529 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */