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;
251 struct ath9k_vif_iter_data {
252 const u8 *hw_macaddr;
256 #define ATH9K_HTC_MAX_STA 8
257 #define ATH9K_HTC_MAX_TID 8
259 enum tid_aggr_state {
266 struct ath9k_htc_sta {
268 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
271 #define ATH9K_HTC_RXBUF 256
272 #define HTC_RX_FRAME_HEADER_SIZE 40
274 struct ath9k_htc_rxbuf {
277 struct ath_htc_rx_status rxstatus;
278 struct list_head list;
281 struct ath9k_htc_rx {
282 int last_rssi; /* FIXME: per-STA */
283 struct list_head rxbuf;
284 spinlock_t rxbuflock;
287 struct ath9k_htc_tx_ctl {
288 u8 type; /* ATH9K_HTC_* */
291 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
293 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
294 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
295 #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++
297 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
299 struct ath_tx_stats {
306 u32 queue_stats[WME_NUM_AC];
309 struct ath_rx_stats {
316 struct dentry *debugfs_phy;
317 struct dentry *debugfs_tgt_stats;
318 struct dentry *debugfs_xmit;
319 struct dentry *debugfs_recv;
320 struct ath_tx_stats tx_stats;
321 struct ath_rx_stats rx_stats;
327 #define TX_STAT_INC(c) do { } while (0)
328 #define RX_STAT_INC(c) do { } while (0)
329 #define CAB_STAT_INC do { } while (0)
331 #define TX_QSTAT_INC(c) do { } while (0)
333 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
335 #define ATH_LED_PIN_DEF 1
336 #define ATH_LED_PIN_9287 10
337 #define ATH_LED_PIN_9271 15
338 #define ATH_LED_PIN_7010 12
339 #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */
340 #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */
350 struct ath9k_htc_priv *priv;
351 struct led_classdev led_cdev;
352 enum ath_led_type led_type;
353 struct delayed_work brightness_work;
359 #define BSTUCK_THRESHOLD 10
362 * Adjust these when the max. no of beaconing interfaces is
365 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
366 #define MIN_SWBA_RESPONSE 10 /* in TUs */
368 struct htc_beacon_config {
369 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
378 unsigned long bt_priority_time;
379 int bt_stomp_type; /* Types of BT stomping */
385 void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv);
386 void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv);
387 void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
389 #define OP_INVALID BIT(0)
390 #define OP_SCANNING BIT(1)
391 #define OP_LED_ASSOCIATED BIT(2)
392 #define OP_LED_ON BIT(3)
393 #define OP_ENABLE_BEACON BIT(4)
394 #define OP_LED_DEINIT BIT(5)
395 #define OP_BT_PRIORITY_DETECTED BIT(6)
396 #define OP_BT_SCAN BIT(7)
397 #define OP_ANI_RUNNING BIT(8)
398 #define OP_TSF_RESET BIT(9)
400 struct ath9k_htc_priv {
402 struct ieee80211_hw *hw;
404 struct htc_target *htc;
407 u16 fw_version_major;
408 u16 fw_version_minor;
410 enum htc_endpoint_id wmi_cmd_ep;
411 enum htc_endpoint_id beacon_ep;
412 enum htc_endpoint_id cab_ep;
413 enum htc_endpoint_id uapsd_ep;
414 enum htc_endpoint_id mgmt_ep;
415 enum htc_endpoint_id data_be_ep;
416 enum htc_endpoint_id data_bk_ep;
417 enum htc_endpoint_id data_vi_ep;
418 enum htc_endpoint_id data_vo_ep;
423 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
434 bool reconfig_beacon;
436 struct ath9k_hw_cal_data caldata;
438 spinlock_t beacon_lock;
443 struct htc_beacon_config cur_beacon_conf;
444 unsigned int rxfilter;
445 struct tasklet_struct swba_tasklet;
446 struct tasklet_struct rx_tasklet;
447 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
448 struct ath9k_htc_rx rx;
449 struct tasklet_struct tx_tasklet;
450 struct sk_buff_head tx_queue;
451 struct delayed_work ani_work;
452 struct work_struct ps_work;
453 struct work_struct fatal_work;
455 struct mutex htc_pm_lock;
456 unsigned long ps_usecount;
460 struct ath_led radio_led;
461 struct ath_led assoc_led;
462 struct ath_led tx_led;
463 struct ath_led rx_led;
464 struct delayed_work ath9k_led_blink_work;
466 int led_off_duration;
472 int hwq_map[WME_NUM_AC];
474 struct ath_btcoex btcoex;
475 struct delayed_work coex_period_work;
476 struct delayed_work duty_cycle_work;
477 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
478 struct ath9k_debug debug;
483 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
485 common->bus_ops->read_cachesize(common, csz);
488 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
490 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
491 struct ieee80211_vif *vif);
492 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
493 struct ieee80211_vif *vif);
494 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
495 struct ieee80211_vif *vif);
496 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
497 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
498 struct ieee80211_vif *vif);
499 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
500 void ath9k_htc_swba(struct ath9k_htc_priv *priv);
502 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
503 enum htc_endpoint_id ep_id);
504 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
506 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
507 enum htc_endpoint_id ep_id, bool txok);
509 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv);
510 void ath9k_htc_station_work(struct work_struct *work);
511 void ath9k_htc_aggr_work(struct work_struct *work);
512 void ath9k_htc_ani_work(struct work_struct *work);
513 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
514 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
516 int ath9k_tx_init(struct ath9k_htc_priv *priv);
517 void ath9k_tx_tasklet(unsigned long data);
518 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
519 struct sk_buff *skb, bool is_cab);
520 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
521 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
522 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
523 int get_hw_qnum(u16 queue, int *hwq_map);
524 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
525 struct ath9k_tx_queue_info *qinfo);
527 int ath9k_rx_init(struct ath9k_htc_priv *priv);
528 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
529 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
530 void ath9k_rx_tasklet(unsigned long data);
531 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
533 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
534 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
535 void ath9k_ps_work(struct work_struct *work);
536 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
537 enum ath9k_power_mode mode);
539 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
540 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
541 void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
542 void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
543 void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv);
544 void ath9k_init_leds(struct ath9k_htc_priv *priv);
545 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
547 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
548 u16 devid, char *product, u32 drv_info);
549 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
551 void ath9k_htc_suspend(struct htc_target *htc_handle);
552 int ath9k_htc_resume(struct htc_target *htc_handle);
554 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
555 int ath9k_htc_debug_create_root(void);
556 void ath9k_htc_debug_remove_root(void);
557 int ath9k_htc_init_debug(struct ath_hw *ah);
558 void ath9k_htc_exit_debug(struct ath_hw *ah);
560 static inline int ath9k_htc_debug_create_root(void) { return 0; };
561 static inline void ath9k_htc_debug_remove_root(void) {};
562 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
563 static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {};
564 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */