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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/leds.h>
26#include <linux/slab.h>
27#include <net/mac80211.h>
28
29#include "common.h"
30#include "htc_hst.h"
31#include "hif_usb.h"
32#include "wmi.h"
33
34#define ATH_STA_SHORT_CALINTERVAL 1000
35#define ATH_ANI_POLLINTERVAL 100
36#define ATH_LONG_CALINTERVAL 30000
37#define ATH_RESTART_CALINTERVAL 1200000
38
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))
43
44extern struct ieee80211_ops ath9k_htc_ops;
45extern int htc_modparam_nohwcrypt;
46
47enum htc_phymode {
48 HTC_MODE_AUTO = 0,
49 HTC_MODE_11A = 1,
50 HTC_MODE_11B = 2,
51 HTC_MODE_11G = 3,
52 HTC_MODE_FH = 4,
53 HTC_MODE_TURBO_A = 5,
54 HTC_MODE_TURBO_G = 6,
55 HTC_MODE_11NA = 7,
56 HTC_MODE_11NG = 8
57};
58
59enum htc_opmode {
60 HTC_M_STA = 1,
61 HTC_M_IBSS = 0,
62 HTC_M_AHDEMO = 3,
63 HTC_M_HOSTAP = 6,
64 HTC_M_MONITOR = 8,
65 HTC_M_WDS = 2
66};
67
68#define ATH9K_HTC_HDRSPACE sizeof(struct htc_frame_hdr)
69#define ATH9K_HTC_AMPDU 1
70#define ATH9K_HTC_NORMAL 2
71
72#define ATH9K_HTC_TX_CTSONLY 0x1
73#define ATH9K_HTC_TX_RTSCTS 0x2
74#define ATH9K_HTC_TX_USE_MIN_RATE 0x100
75
76struct tx_frame_hdr {
77 u8 data_type;
78 u8 node_idx;
79 u8 vif_idx;
80 u8 tidno;
81 __be32 flags;
82 u8 key_type;
83 u8 keyix;
84 u8 reserved[26];
85} __packed;
86
87struct tx_mgmt_hdr {
88 u8 node_idx;
89 u8 vif_idx;
90 u8 tidno;
91 u8 flags;
92 u8 key_type;
93 u8 keyix;
94 u16 reserved;
95} __packed;
96
97struct tx_beacon_header {
98 u8 len_changed;
99 u8 vif_index;
100 u16 rev;
101} __packed;
102
103struct ath9k_htc_target_hw {
104 u32 flags;
105 u32 flags_ext;
106 u32 ampdu_limit;
107 u8 ampdu_subframes;
108 u8 tx_chainmask;
109 u8 tx_chainmask_legacy;
110 u8 rtscts_ratecode;
111 u8 protmode;
112} __packed;
113
114struct ath9k_htc_cap_target {
115 u32 flags;
116 u32 flags_ext;
117 u32 ampdu_limit;
118 u8 ampdu_subframes;
119 u8 tx_chainmask;
120 u8 tx_chainmask_legacy;
121 u8 rtscts_ratecode;
122 u8 protmode;
123} __packed;
124
125struct ath9k_htc_target_vif {
126 u8 index;
127 u8 des_bssid[ETH_ALEN];
128 __be32 opmode;
129 u8 myaddr[ETH_ALEN];
130 u8 bssid[ETH_ALEN];
131 u32 flags;
132 u32 flags_ext;
133 u16 ps_sta;
134 __be16 rtsthreshold;
135 u8 ath_cap;
136 u8 node;
137 s8 mcast_rate;
138} __packed;
139
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
144
145
146struct ath9k_htc_target_sta {
147 u16 associd;
148 u16 txpower;
149 u32 ucastkey;
150 u8 macaddr[ETH_ALEN];
151 u8 bssid[ETH_ALEN];
152 u8 sta_index;
153 u8 vif_index;
154 u8 vif_sta;
155 __be16 flags;
156 u16 htcap;
157 u8 valid;
158 u16 capinfo;
159 struct ath9k_htc_target_hw *hw;
160 struct ath9k_htc_target_vif *vif;
161 u16 txseqmgmt;
162 u8 is_vif_sta;
163 u16 maxampdu;
164 u16 iv16;
165 u32 iv32;
166} __packed;
167
168struct ath9k_htc_target_aggr {
169 u8 sta_index;
170 u8 tidno;
171 u8 aggr_enable;
172 u8 padding;
173} __packed;
174
175#define ATH_HTC_RATE_MAX 30
176
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
181
182struct ath9k_htc_rateset {
183 u8 rs_nrates;
184 u8 rs_rates[ATH_HTC_RATE_MAX];
185};
186
187struct ath9k_htc_rate {
188 struct ath9k_htc_rateset legacy_rates;
189 struct ath9k_htc_rateset ht_rates;
190} __packed;
191
192struct ath9k_htc_target_rate {
193 u8 sta_index;
194 u8 isnew;
195 __be32 capflags;
196 struct ath9k_htc_rate rates;
197};
198
199struct ath9k_htc_target_stats {
200 __be32 tx_shortretry;
201 __be32 tx_longretry;
202 __be32 tx_xretries;
203 __be32 ht_txunaggr_xretry;
204 __be32 ht_tx_xretries;
205} __packed;
206
207struct ath9k_htc_vif {
208 u8 index;
209};
210
211#define ATH9K_HTC_MAX_STA 8
212#define ATH9K_HTC_MAX_TID 8
213
214enum tid_aggr_state {
215 AGGR_STOP = 0,
216 AGGR_PROGRESS,
217 AGGR_START,
218 AGGR_OPERATIONAL
219};
220
221struct ath9k_htc_sta {
222 u8 index;
223 enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID];
224};
225
226#define ATH9K_HTC_RXBUF 256
227#define HTC_RX_FRAME_HEADER_SIZE 40
228
229struct ath9k_htc_rxbuf {
230 bool in_process;
231 struct sk_buff *skb;
232 struct ath_htc_rx_status rxstatus;
233 struct list_head list;
234};
235
236struct ath9k_htc_rx {
237 int last_rssi;
238 struct list_head rxbuf;
239 spinlock_t rxbuflock;
240};
241
242struct ath9k_htc_tx_ctl {
243 u8 type;
244};
245
246#ifdef CONFIG_ATH9K_HTC_DEBUGFS
247
248#define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
249#define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
250
251#define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
252
253struct ath_tx_stats {
254 u32 buf_queued;
255 u32 buf_completed;
256 u32 skb_queued;
257 u32 skb_completed;
258 u32 skb_dropped;
259 u32 queue_stats[WME_NUM_AC];
260};
261
262struct ath_rx_stats {
263 u32 skb_allocated;
264 u32 skb_completed;
265 u32 skb_dropped;
266};
267
268struct ath9k_debug {
269 struct dentry *debugfs_phy;
270 struct dentry *debugfs_tgt_stats;
271 struct dentry *debugfs_xmit;
272 struct dentry *debugfs_recv;
273 struct ath_tx_stats tx_stats;
274 struct ath_rx_stats rx_stats;
275 u32 txrate;
276};
277
278#else
279
280#define TX_STAT_INC(c) do { } while (0)
281#define RX_STAT_INC(c) do { } while (0)
282
283#define TX_QSTAT_INC(c) do { } while (0)
284
285#endif
286
287#define ATH_LED_PIN_DEF 1
288#define ATH_LED_PIN_9287 8
289#define ATH_LED_PIN_9271 15
290#define ATH_LED_PIN_7010 12
291#define ATH_LED_ON_DURATION_IDLE 350
292#define ATH_LED_OFF_DURATION_IDLE 250
293
294enum ath_led_type {
295 ATH_LED_RADIO,
296 ATH_LED_ASSOC,
297 ATH_LED_TX,
298 ATH_LED_RX
299};
300
301struct ath_led {
302 struct ath9k_htc_priv *priv;
303 struct led_classdev led_cdev;
304 enum ath_led_type led_type;
305 struct delayed_work brightness_work;
306 char name[32];
307 bool registered;
308 int brightness;
309};
310
311struct htc_beacon_config {
312 u16 beacon_interval;
313 u16 listen_interval;
314 u16 dtim_period;
315 u16 bmiss_timeout;
316 u8 dtim_count;
317};
318
319struct ath_btcoex {
320 u32 bt_priority_cnt;
321 unsigned long bt_priority_time;
322 int bt_stomp_type;
323 u32 btcoex_no_stomp;
324 u32 btcoex_period;
325 u32 btscan_no_stomp;
326};
327
328void ath_htc_init_btcoex_work(struct ath9k_htc_priv *priv);
329void ath_htc_resume_btcoex_work(struct ath9k_htc_priv *priv);
330void ath_htc_cancel_btcoex_work(struct ath9k_htc_priv *priv);
331
332#define OP_INVALID BIT(0)
333#define OP_SCANNING BIT(1)
334#define OP_LED_ASSOCIATED BIT(2)
335#define OP_LED_ON BIT(3)
336#define OP_PREAMBLE_SHORT BIT(4)
337#define OP_PROTECT_ENABLE BIT(5)
338#define OP_ASSOCIATED BIT(6)
339#define OP_ENABLE_BEACON BIT(7)
340#define OP_LED_DEINIT BIT(8)
341#define OP_BT_PRIORITY_DETECTED BIT(9)
342#define OP_BT_SCAN BIT(10)
343
344struct ath9k_htc_priv {
345 struct device *dev;
346 struct ieee80211_hw *hw;
347 struct ath_hw *ah;
348 struct htc_target *htc;
349 struct wmi *wmi;
350
351 enum htc_endpoint_id wmi_cmd_ep;
352 enum htc_endpoint_id beacon_ep;
353 enum htc_endpoint_id cab_ep;
354 enum htc_endpoint_id uapsd_ep;
355 enum htc_endpoint_id mgmt_ep;
356 enum htc_endpoint_id data_be_ep;
357 enum htc_endpoint_id data_bk_ep;
358 enum htc_endpoint_id data_vi_ep;
359 enum htc_endpoint_id data_vo_ep;
360
361 u16 op_flags;
362 u16 curtxpow;
363 u16 txpowlimit;
364 u16 nvifs;
365 u16 nstations;
366 u16 seq_no;
367 u32 bmiss_cnt;
368
369 struct ath9k_hw_cal_data caldata[ATH9K_NUM_CHANNELS];
370
371 spinlock_t beacon_lock;
372
373 bool tx_queues_stop;
374 spinlock_t tx_lock;
375
376 struct ieee80211_vif *vif;
377 struct htc_beacon_config cur_beacon_conf;
378 unsigned int rxfilter;
379 struct tasklet_struct swba_tasklet;
380 struct tasklet_struct rx_tasklet;
381 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
382 struct ath9k_htc_rx rx;
383 struct tasklet_struct tx_tasklet;
384 struct sk_buff_head tx_queue;
385 struct delayed_work ath9k_ani_work;
386 struct work_struct ps_work;
387 struct work_struct fatal_work;
388
389 struct mutex htc_pm_lock;
390 unsigned long ps_usecount;
391 bool ps_enabled;
392 bool ps_idle;
393
394 struct ath_led radio_led;
395 struct ath_led assoc_led;
396 struct ath_led tx_led;
397 struct ath_led rx_led;
398 struct delayed_work ath9k_led_blink_work;
399 int led_on_duration;
400 int led_off_duration;
401 int led_on_cnt;
402 int led_off_cnt;
403
404 int beaconq;
405 int cabq;
406 int hwq_map[WME_NUM_AC];
407
408 struct ath_btcoex btcoex;
409 struct delayed_work coex_period_work;
410 struct delayed_work duty_cycle_work;
411#ifdef CONFIG_ATH9K_HTC_DEBUGFS
412 struct ath9k_debug debug;
413#endif
414 struct mutex mutex;
415};
416
417static inline void ath_read_cachesize(struct ath_common *common, int *csz)
418{
419 common->bus_ops->read_cachesize(common, csz);
420}
421
422void ath9k_htc_reset(struct ath9k_htc_priv *priv);
423
424void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
425void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
426 struct ieee80211_vif *vif);
427void ath9k_htc_swba(struct ath9k_htc_priv *priv, u8 beacon_pending);
428
429void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
430 enum htc_endpoint_id ep_id);
431void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
432 bool txok);
433void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
434 enum htc_endpoint_id ep_id, bool txok);
435
436int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv);
437void ath9k_htc_station_work(struct work_struct *work);
438void ath9k_htc_aggr_work(struct work_struct *work);
439void ath9k_ani_work(struct work_struct *work);;
440void ath_start_ani(struct ath9k_htc_priv *priv);
441
442int ath9k_tx_init(struct ath9k_htc_priv *priv);
443void ath9k_tx_tasklet(unsigned long data);
444int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
445void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
446bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
447int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
448int get_hw_qnum(u16 queue, int *hwq_map);
449int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
450 struct ath9k_tx_queue_info *qinfo);
451
452int ath9k_rx_init(struct ath9k_htc_priv *priv);
453void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
454void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
455void ath9k_rx_tasklet(unsigned long data);
456u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
457
458void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
459void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
460void ath9k_ps_work(struct work_struct *work);
461bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
462 enum ath9k_power_mode mode);
463void ath_update_txpow(struct ath9k_htc_priv *priv);
464
465void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
466void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
467void ath9k_htc_radio_enable(struct ieee80211_hw *hw);
468void ath9k_htc_radio_disable(struct ieee80211_hw *hw);
469void ath9k_led_stop_brightness(struct ath9k_htc_priv *priv);
470void ath9k_init_leds(struct ath9k_htc_priv *priv);
471void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
472
473int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
474 u16 devid, char *product, u32 drv_info);
475void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
476#ifdef CONFIG_PM
477void ath9k_htc_suspend(struct htc_target *htc_handle);
478int ath9k_htc_resume(struct htc_target *htc_handle);
479#endif
480#ifdef CONFIG_ATH9K_HTC_DEBUGFS
481int ath9k_htc_debug_create_root(void);
482void ath9k_htc_debug_remove_root(void);
483int ath9k_htc_init_debug(struct ath_hw *ah);
484void ath9k_htc_exit_debug(struct ath_hw *ah);
485#else
486static inline int ath9k_htc_debug_create_root(void) { return 0; };
487static inline void ath9k_htc_debug_remove_root(void) {};
488static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
489static inline void ath9k_htc_exit_debug(struct ath_hw *ah) {};
490#endif
491
492#endif
493
