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_AP_SHORT_CALINTERVAL 100 /* 100 ms */
36 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
37 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
38 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
40 #define ATH_DEFAULT_BMISS_LIMIT 10
41 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
42 #define TSF_TO_TU(_h, _l) \
43 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
45 extern struct ieee80211_ops ath9k_htc_ops;
46 extern int htc_modparam_nohwcrypt;
69 #define ATH9K_HTC_HDRSPACE sizeof(struct htc_frame_hdr)
70 #define ATH9K_HTC_AMPDU 1
71 #define ATH9K_HTC_NORMAL 2
73 #define ATH9K_HTC_TX_CTSONLY 0x1
74 #define ATH9K_HTC_TX_RTSCTS 0x2
75 #define ATH9K_HTC_TX_USE_MIN_RATE 0x100
82 __be32 flags; /* ATH9K_HTC_TX_* */
98 struct tx_beacon_header {
104 struct ath9k_htc_target_hw {
110 u8 tx_chainmask_legacy;
115 struct ath9k_htc_cap_target {
121 u8 tx_chainmask_legacy;
126 struct ath9k_htc_target_vif {
128 u8 des_bssid[ETH_ALEN];
141 #define ATH_HTC_STA_AUTH 0x0001
142 #define ATH_HTC_STA_QOS 0x0002
143 #define ATH_HTC_STA_ERP 0x0004
144 #define ATH_HTC_STA_HT 0x0008
146 /* FIXME: UAPSD variables */
147 struct ath9k_htc_target_sta {
151 u8 macaddr[ETH_ALEN];
156 __be16 flags; /* ATH_HTC_STA_* */
160 struct ath9k_htc_target_hw *hw;
161 struct ath9k_htc_target_vif *vif;
169 struct ath9k_htc_target_aggr {
176 #define ATH_HTC_RATE_MAX 30
178 #define WLAN_RC_DS_FLAG 0x01
179 #define WLAN_RC_40_FLAG 0x02
180 #define WLAN_RC_SGI_FLAG 0x04
181 #define WLAN_RC_HT_FLAG 0x08
183 struct ath9k_htc_rateset {
185 u8 rs_rates[ATH_HTC_RATE_MAX];
188 struct ath9k_htc_rate {
189 struct ath9k_htc_rateset legacy_rates;
190 struct ath9k_htc_rateset ht_rates;
193 struct ath9k_htc_target_rate {
197 struct ath9k_htc_rate rates;
200 struct ath9k_htc_target_stats {
201 __be32 tx_shortretry;
204 __be32 ht_txunaggr_xretry;
205 __be32 ht_tx_xretries;
208 #define ATH9K_HTC_MAX_VIF 2
209 #define ATH9K_HTC_MAX_BCN_VIF 2
211 #define INC_VIF(_priv, _type) do { \
213 case NL80211_IFTYPE_STATION: \
214 _priv->num_sta_vif++; \
216 case NL80211_IFTYPE_ADHOC: \
217 _priv->num_ibss_vif++; \
219 case NL80211_IFTYPE_AP: \
220 _priv->num_ap_vif++; \
227 #define DEC_VIF(_priv, _type) do { \
229 case NL80211_IFTYPE_STATION: \
230 _priv->num_sta_vif--; \
232 case NL80211_IFTYPE_ADHOC: \
233 _priv->num_ibss_vif--; \
235 case NL80211_IFTYPE_AP: \
236 _priv->num_ap_vif--; \
243 struct ath9k_htc_vif {
246 bool beacon_configured;
249 struct ath9k_vif_iter_data {
250 const u8 *hw_macaddr;
254 #define ATH9K_HTC_MAX_STA 8
255 #define ATH9K_HTC_MAX_TID 8
257 enum tid_aggr_state {
264 struct ath9k_htc_sta {
266 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
269 #define ATH9K_HTC_RXBUF 256
270 #define HTC_RX_FRAME_HEADER_SIZE 40
272 struct ath9k_htc_rxbuf {
275 struct ath_htc_rx_status rxstatus;
276 struct list_head list;
279 struct ath9k_htc_rx {
280 int last_rssi; /* FIXME: per-STA */
281 struct list_head rxbuf;
282 spinlock_t rxbuflock;
285 struct ath9k_htc_tx_ctl {
286 u8 type; /* ATH9K_HTC_* */
289 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
291 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
292 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
294 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
296 struct ath_tx_stats {
302 u32 queue_stats[WME_NUM_AC];
305 struct ath_rx_stats {
312 struct dentry *debugfs_phy;
313 struct dentry *debugfs_tgt_stats;
314 struct dentry *debugfs_xmit;
315 struct dentry *debugfs_recv;
316 struct ath_tx_stats tx_stats;
317 struct ath_rx_stats rx_stats;
323 #define TX_STAT_INC(c) do { } while (0)
324 #define RX_STAT_INC(c) do { } while (0)
326 #define TX_QSTAT_INC(c) do { } while (0)
328 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
330 #define ATH_LED_PIN_DEF 1
331 #define ATH_LED_PIN_9287 10
332 #define ATH_LED_PIN_9271 15
333 #define ATH_LED_PIN_7010 12
334 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
335 #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
345 struct ath9k_htc_priv *priv;
346 struct led_classdev led_cdev;
347 enum ath_led_type led_type;
348 struct delayed_work brightness_work;
354 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)
381 #define OP_ANI_RUNNING BIT(8)
382 #define OP_TSF_RESET BIT(9)
384 struct ath9k_htc_priv {
386 struct ieee80211_hw *hw;
388 struct htc_target *htc;
391 u16 fw_version_major;
392 u16 fw_version_minor;
394 enum htc_endpoint_id wmi_cmd_ep;
395 enum htc_endpoint_id beacon_ep;
396 enum htc_endpoint_id cab_ep;
397 enum htc_endpoint_id uapsd_ep;
398 enum htc_endpoint_id mgmt_ep;
399 enum htc_endpoint_id data_be_ep;
400 enum htc_endpoint_id data_bk_ep;
401 enum htc_endpoint_id data_vi_ep;
402 enum htc_endpoint_id data_vo_ep;
407 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
419 bool reconfig_beacon;
421 struct ath9k_hw_cal_data caldata;
423 spinlock_t beacon_lock;
428 struct ieee80211_vif *vif;
429 struct htc_beacon_config cur_beacon_conf;
430 unsigned int rxfilter;
431 struct tasklet_struct swba_tasklet;
432 struct tasklet_struct rx_tasklet;
433 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
434 struct ath9k_htc_rx rx;
435 struct tasklet_struct tx_tasklet;
436 struct sk_buff_head tx_queue;
437 struct delayed_work ani_work;
438 struct work_struct ps_work;
439 struct work_struct fatal_work;
441 struct mutex htc_pm_lock;
442 unsigned long ps_usecount;
446 struct ath_led radio_led;
447 struct ath_led assoc_led;
448 struct ath_led tx_led;
449 struct ath_led rx_led;
450 struct delayed_work ath9k_led_blink_work;
452 int led_off_duration;
458 int hwq_map[WME_NUM_AC];
460 struct ath_btcoex btcoex;
461 struct delayed_work coex_period_work;
462 struct delayed_work duty_cycle_work;
463 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
464 struct ath9k_debug debug;
469 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
471 common->bus_ops->read_cachesize(common, csz);
474 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
476 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
477 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
478 struct ieee80211_vif *vif);
479 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
480 void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending);
482 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
483 enum htc_endpoint_id ep_id);
484 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
486 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
487 enum htc_endpoint_id ep_id, bool txok);
489 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv);
490 void ath9k_htc_station_work(struct work_struct *work);
491 void ath9k_htc_aggr_work(struct work_struct *work);
492 void ath9k_htc_ani_work(struct work_struct *work);
493 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
494 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
496 int ath9k_tx_init(struct ath9k_htc_priv *priv);
497 void ath9k_tx_tasklet(unsigned long data);
498 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
499 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
500 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
501 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
502 int get_hw_qnum(u16 queue, int *hwq_map);
503 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
504 struct ath9k_tx_queue_info *qinfo);
506 int ath9k_rx_init(struct ath9k_htc_priv *priv);
507 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
508 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
509 void ath9k_rx_tasklet(unsigned long data);
510 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
512 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
513 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
514 void ath9k_ps_work(struct work_struct *work);
515 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
516 enum ath9k_power_mode mode);
518 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
519 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
520 void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
521 void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
522 void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv);
523 void ath9k_init_leds(struct ath9k_htc_priv *priv);
524 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
526 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
527 u16 devid, char *product, u32 drv_info);
528 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
530 void ath9k_htc_suspend(struct htc_target *htc_handle);
531 int ath9k_htc_resume(struct htc_target *htc_handle);
533 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
534 int ath9k_htc_debug_create_root(void);
535 void ath9k_htc_debug_remove_root(void);
536 int ath9k_htc_init_debug(struct ath_hw *ah);
537 void ath9k_htc_exit_debug(struct ath_hw *ah);
539 static inline int ath9k_htc_debug_create_root(void) { return 0; };
540 static inline void ath9k_htc_debug_remove_root(void) {};
541 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
542 static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {};
543 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */