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
208 #define ATH9K_HTC_MAX_BCN_VIF 2
210 #define INC_VIF(_priv, _type) do { \
212 case NL80211_IFTYPE_STATION: \
213 _priv->num_sta_vif++; \
215 case NL80211_IFTYPE_ADHOC: \
216 _priv->num_ibss_vif++; \
218 case NL80211_IFTYPE_AP: \
219 _priv->num_ap_vif++; \
226 #define DEC_VIF(_priv, _type) do { \
228 case NL80211_IFTYPE_STATION: \
229 _priv->num_sta_vif--; \
231 case NL80211_IFTYPE_ADHOC: \
232 _priv->num_ibss_vif--; \
234 case NL80211_IFTYPE_AP: \
235 _priv->num_ap_vif--; \
242 struct ath9k_htc_vif {
247 struct ath9k_vif_iter_data {
248 const u8 *hw_macaddr;
252 #define ATH9K_HTC_MAX_STA 8
253 #define ATH9K_HTC_MAX_TID 8
255 enum tid_aggr_state {
262 struct ath9k_htc_sta {
264 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
267 #define ATH9K_HTC_RXBUF 256
268 #define HTC_RX_FRAME_HEADER_SIZE 40
270 struct ath9k_htc_rxbuf {
273 struct ath_htc_rx_status rxstatus;
274 struct list_head list;
277 struct ath9k_htc_rx {
278 int last_rssi; /* FIXME: per-STA */
279 struct list_head rxbuf;
280 spinlock_t rxbuflock;
283 struct ath9k_htc_tx_ctl {
284 u8 type; /* ATH9K_HTC_* */
287 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
289 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
290 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
292 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
294 struct ath_tx_stats {
300 u32 queue_stats[WME_NUM_AC];
303 struct ath_rx_stats {
310 struct dentry *debugfs_phy;
311 struct dentry *debugfs_tgt_stats;
312 struct dentry *debugfs_xmit;
313 struct dentry *debugfs_recv;
314 struct ath_tx_stats tx_stats;
315 struct ath_rx_stats rx_stats;
321 #define TX_STAT_INC(c) do { } while (0)
322 #define RX_STAT_INC(c) do { } while (0)
324 #define TX_QSTAT_INC(c) do { } while (0)
326 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
328 #define ATH_LED_PIN_DEF 1
329 #define ATH_LED_PIN_9287 8
330 #define ATH_LED_PIN_9271 15
331 #define ATH_LED_PIN_7010 12
332 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
333 #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
343 struct ath9k_htc_priv *priv;
344 struct led_classdev led_cdev;
345 enum ath_led_type led_type;
346 struct delayed_work brightness_work;
352 struct htc_beacon_config {
362 unsigned long bt_priority_time;
363 int bt_stomp_type; /* Types of BT stomping */
369 void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv);
370 void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv);
371 void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
373 #define OP_INVALID BIT(0)
374 #define OP_SCANNING BIT(1)
375 #define OP_LED_ASSOCIATED BIT(2)
376 #define OP_LED_ON BIT(3)
377 #define OP_ENABLE_BEACON BIT(4)
378 #define OP_LED_DEINIT BIT(5)
379 #define OP_BT_PRIORITY_DETECTED BIT(6)
380 #define OP_BT_SCAN BIT(7)
382 struct ath9k_htc_priv {
384 struct ieee80211_hw *hw;
386 struct htc_target *htc;
389 enum htc_endpoint_id wmi_cmd_ep;
390 enum htc_endpoint_id beacon_ep;
391 enum htc_endpoint_id cab_ep;
392 enum htc_endpoint_id uapsd_ep;
393 enum htc_endpoint_id mgmt_ep;
394 enum htc_endpoint_id data_be_ep;
395 enum htc_endpoint_id data_bk_ep;
396 enum htc_endpoint_id data_vi_ep;
397 enum htc_endpoint_id data_vo_ep;
402 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
414 bool reconfig_beacon;
416 struct ath9k_hw_cal_data caldata;
418 spinlock_t beacon_lock;
423 struct ieee80211_vif *vif;
424 struct htc_beacon_config cur_beacon_conf;
425 unsigned int rxfilter;
426 struct tasklet_struct swba_tasklet;
427 struct tasklet_struct rx_tasklet;
428 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
429 struct ath9k_htc_rx rx;
430 struct tasklet_struct tx_tasklet;
431 struct sk_buff_head tx_queue;
432 struct delayed_work ath9k_ani_work;
433 struct work_struct ps_work;
434 struct work_struct fatal_work;
436 struct mutex htc_pm_lock;
437 unsigned long ps_usecount;
441 struct ath_led radio_led;
442 struct ath_led assoc_led;
443 struct ath_led tx_led;
444 struct ath_led rx_led;
445 struct delayed_work ath9k_led_blink_work;
447 int led_off_duration;
453 int hwq_map[WME_NUM_AC];
455 struct ath_btcoex btcoex;
456 struct delayed_work coex_period_work;
457 struct delayed_work duty_cycle_work;
458 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
459 struct ath9k_debug debug;
464 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
466 common->bus_ops->read_cachesize(common, csz);
469 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
471 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
472 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
473 struct ieee80211_vif *vif);
474 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
475 void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending);
477 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
478 enum htc_endpoint_id ep_id);
479 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
481 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
482 enum htc_endpoint_id ep_id, bool txok);
484 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv);
485 void ath9k_htc_station_work(struct work_struct *work);
486 void ath9k_htc_aggr_work(struct work_struct *work);
487 void ath9k_ani_work(struct work_struct *work);
488 void ath_start_ani(struct ath9k_htc_priv *priv);
490 int ath9k_tx_init(struct ath9k_htc_priv *priv);
491 void ath9k_tx_tasklet(unsigned long data);
492 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
493 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
494 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
495 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
496 int get_hw_qnum(u16 queue, int *hwq_map);
497 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
498 struct ath9k_tx_queue_info *qinfo);
500 int ath9k_rx_init(struct ath9k_htc_priv *priv);
501 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
502 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
503 void ath9k_rx_tasklet(unsigned long data);
504 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
506 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
507 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
508 void ath9k_ps_work(struct work_struct *work);
509 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
510 enum ath9k_power_mode mode);
512 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
513 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
514 void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
515 void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
516 void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv);
517 void ath9k_init_leds(struct ath9k_htc_priv *priv);
518 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
520 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
521 u16 devid, char *product, u32 drv_info);
522 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
524 void ath9k_htc_suspend(struct htc_target *htc_handle);
525 int ath9k_htc_resume(struct htc_target *htc_handle);
527 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
528 int ath9k_htc_debug_create_root(void);
529 void ath9k_htc_debug_remove_root(void);
530 int ath9k_htc_init_debug(struct ath_hw *ah);
531 void ath9k_htc_exit_debug(struct ath_hw *ah);
533 static inline int ath9k_htc_debug_create_root(void) { return 0; };
534 static inline void ath9k_htc_debug_remove_root(void) {};
535 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
536 static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {};
537 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */