ARM: mm: Recreate kernel mappings in early_paging_init()
[linux/fpc-iii.git] / drivers / net / wireless / ath / ath9k / htc.h
blob055d7c25e090bd33ce70de75c8352dc22dbb4003
1 /*
2 * Copyright (c) 2010-2011 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.
17 #ifndef HTC_H
18 #define HTC_H
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/etherdevice.h>
26 #include <linux/leds.h>
27 #include <linux/slab.h>
28 #include <net/mac80211.h>
30 #include "common.h"
31 #include "htc_hst.h"
32 #include "hif_usb.h"
33 #include "wmi.h"
35 #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */
36 #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */
37 #define ATH_ANI_POLLINTERVAL 100 /* 100 ms */
38 #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */
39 #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */
41 #define ATH_DEFAULT_BMISS_LIMIT 10
42 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
43 #define TSF_TO_TU(_h, _l) \
44 ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
46 extern struct ieee80211_ops ath9k_htc_ops;
47 extern int htc_modparam_nohwcrypt;
49 enum htc_phymode {
50 HTC_MODE_11NA = 0,
51 HTC_MODE_11NG = 1
54 enum htc_opmode {
55 HTC_M_STA = 1,
56 HTC_M_IBSS = 0,
57 HTC_M_AHDEMO = 3,
58 HTC_M_HOSTAP = 6,
59 HTC_M_MONITOR = 8,
60 HTC_M_WDS = 2
63 #define ATH9K_HTC_AMPDU 1
64 #define ATH9K_HTC_NORMAL 2
65 #define ATH9K_HTC_BEACON 3
66 #define ATH9K_HTC_MGMT 4
68 #define ATH9K_HTC_TX_CTSONLY 0x1
69 #define ATH9K_HTC_TX_RTSCTS 0x2
71 struct tx_frame_hdr {
72 u8 data_type;
73 u8 node_idx;
74 u8 vif_idx;
75 u8 tidno;
76 __be32 flags; /* ATH9K_HTC_TX_* */
77 u8 key_type;
78 u8 keyix;
79 u8 cookie;
80 u8 pad;
81 } __packed;
83 struct tx_mgmt_hdr {
84 u8 node_idx;
85 u8 vif_idx;
86 u8 tidno;
87 u8 flags;
88 u8 key_type;
89 u8 keyix;
90 u8 cookie;
91 u8 pad;
92 } __packed;
94 struct tx_beacon_header {
95 u8 vif_index;
96 u8 len_changed;
97 u16 rev;
98 } __packed;
100 #define MAX_TX_AMPDU_SUBFRAMES_9271 17
101 #define MAX_TX_AMPDU_SUBFRAMES_7010 22
103 struct ath9k_htc_cap_target {
104 __be32 ampdu_limit;
105 u8 ampdu_subframes;
106 u8 enable_coex;
107 u8 tx_chainmask;
108 u8 pad;
109 } __packed;
111 struct ath9k_htc_target_vif {
112 u8 index;
113 u8 opmode;
114 u8 myaddr[ETH_ALEN];
115 u8 ath_cap;
116 __be16 rtsthreshold;
117 u8 pad;
118 } __packed;
120 struct ath9k_htc_target_sta {
121 u8 macaddr[ETH_ALEN];
122 u8 bssid[ETH_ALEN];
123 u8 sta_index;
124 u8 vif_index;
125 u8 is_vif_sta;
126 __be16 flags;
127 __be16 htcap;
128 __be16 maxampdu;
129 u8 pad;
130 } __packed;
132 struct ath9k_htc_target_aggr {
133 u8 sta_index;
134 u8 tidno;
135 u8 aggr_enable;
136 u8 padding;
137 } __packed;
139 #define ATH_HTC_RATE_MAX 30
141 #define WLAN_RC_DS_FLAG 0x01
142 #define WLAN_RC_40_FLAG 0x02
143 #define WLAN_RC_SGI_FLAG 0x04
144 #define WLAN_RC_HT_FLAG 0x08
145 #define ATH_RC_TX_STBC_FLAG 0x20
147 struct ath9k_htc_rateset {
148 u8 rs_nrates;
149 u8 rs_rates[ATH_HTC_RATE_MAX];
152 struct ath9k_htc_rate {
153 struct ath9k_htc_rateset legacy_rates;
154 struct ath9k_htc_rateset ht_rates;
155 } __packed;
157 struct ath9k_htc_target_rate {
158 u8 sta_index;
159 u8 isnew;
160 __be32 capflags;
161 struct ath9k_htc_rate rates;
164 struct ath9k_htc_target_rate_mask {
165 u8 vif_index;
166 u8 band;
167 __be32 mask;
168 u16 pad;
169 } __packed;
171 struct ath9k_htc_target_int_stats {
172 __be32 rx;
173 __be32 rxorn;
174 __be32 rxeol;
175 __be32 txurn;
176 __be32 txto;
177 __be32 cst;
178 } __packed;
180 struct ath9k_htc_target_tx_stats {
181 __be32 xretries;
182 __be32 fifoerr;
183 __be32 filtered;
184 __be32 timer_exp;
185 __be32 shortretries;
186 __be32 longretries;
187 __be32 qnull;
188 __be32 encap_fail;
189 __be32 nobuf;
190 } __packed;
192 struct ath9k_htc_target_rx_stats {
193 __be32 nobuf;
194 __be32 host_send;
195 __be32 host_done;
196 } __packed;
198 #define ATH9K_HTC_MAX_VIF 2
199 #define ATH9K_HTC_MAX_BCN_VIF 2
201 #define INC_VIF(_priv, _type) do { \
202 switch (_type) { \
203 case NL80211_IFTYPE_STATION: \
204 _priv->num_sta_vif++; \
205 break; \
206 case NL80211_IFTYPE_ADHOC: \
207 _priv->num_ibss_vif++; \
208 break; \
209 case NL80211_IFTYPE_AP: \
210 _priv->num_ap_vif++; \
211 break; \
212 case NL80211_IFTYPE_MESH_POINT: \
213 _priv->num_mbss_vif++; \
214 break; \
215 default: \
216 break; \
218 } while (0)
220 #define DEC_VIF(_priv, _type) do { \
221 switch (_type) { \
222 case NL80211_IFTYPE_STATION: \
223 _priv->num_sta_vif--; \
224 break; \
225 case NL80211_IFTYPE_ADHOC: \
226 _priv->num_ibss_vif--; \
227 break; \
228 case NL80211_IFTYPE_AP: \
229 _priv->num_ap_vif--; \
230 break; \
231 case NL80211_IFTYPE_MESH_POINT: \
232 _priv->num_mbss_vif--; \
233 break; \
234 default: \
235 break; \
237 } while (0)
239 struct ath9k_htc_vif {
240 u8 index;
241 u16 seq_no;
242 bool beacon_configured;
243 int bslot;
244 __le64 tsfadjust;
247 struct ath9k_vif_iter_data {
248 const u8 *hw_macaddr;
249 u8 mask[ETH_ALEN];
252 #define ATH9K_HTC_MAX_STA 8
253 #define ATH9K_HTC_MAX_TID 8
255 enum tid_aggr_state {
256 AGGR_STOP = 0,
257 AGGR_PROGRESS,
258 AGGR_START,
259 AGGR_OPERATIONAL
262 struct ath9k_htc_sta {
263 u8 index;
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 {
271 bool in_process;
272 struct sk_buff *skb;
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 #define ATH9K_HTC_TX_CLEANUP_INTERVAL 50 /* ms */
284 #define ATH9K_HTC_TX_TIMEOUT_INTERVAL 3000 /* ms */
285 #define ATH9K_HTC_TX_RESERVE 10
286 #define ATH9K_HTC_TX_TIMEOUT_COUNT 40
287 #define ATH9K_HTC_TX_THRESHOLD (MAX_TX_BUF_NUM - ATH9K_HTC_TX_RESERVE)
289 #define ATH9K_HTC_OP_TX_QUEUES_STOP BIT(0)
290 #define ATH9K_HTC_OP_TX_DRAIN BIT(1)
292 struct ath9k_htc_tx {
293 u8 flags;
294 int queued_cnt;
295 struct sk_buff_head mgmt_ep_queue;
296 struct sk_buff_head cab_ep_queue;
297 struct sk_buff_head data_be_queue;
298 struct sk_buff_head data_bk_queue;
299 struct sk_buff_head data_vi_queue;
300 struct sk_buff_head data_vo_queue;
301 struct sk_buff_head tx_failed;
302 DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
303 struct timer_list cleanup_timer;
304 spinlock_t tx_lock;
307 struct ath9k_htc_tx_ctl {
308 u8 type; /* ATH9K_HTC_* */
309 u8 epid;
310 u8 txok;
311 u8 sta_idx;
312 unsigned long timestamp;
315 static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb)
317 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
319 BUILD_BUG_ON(sizeof(struct ath9k_htc_tx_ctl) >
320 IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
321 return (struct ath9k_htc_tx_ctl *) &tx_info->driver_data;
324 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
326 #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++)
327 #define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a)
328 #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++)
329 #define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c += a)
330 #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++
332 #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++)
334 void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
335 struct ath_htc_rx_status *rxs);
337 struct ath_tx_stats {
338 u32 buf_queued;
339 u32 buf_completed;
340 u32 skb_queued;
341 u32 skb_success;
342 u32 skb_success_bytes;
343 u32 skb_failed;
344 u32 cab_queued;
345 u32 queue_stats[IEEE80211_NUM_ACS];
348 struct ath_rx_stats {
349 u32 skb_allocated;
350 u32 skb_completed;
351 u32 skb_completed_bytes;
352 u32 skb_dropped;
353 u32 err_crc;
354 u32 err_decrypt_crc;
355 u32 err_mic;
356 u32 err_pre_delim;
357 u32 err_post_delim;
358 u32 err_decrypt_busy;
359 u32 err_phy;
360 u32 err_phy_stats[ATH9K_PHYERR_MAX];
363 struct ath9k_debug {
364 struct dentry *debugfs_phy;
365 struct ath_tx_stats tx_stats;
366 struct ath_rx_stats rx_stats;
369 void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
370 struct ieee80211_vif *vif,
371 u32 sset, u8 *data);
372 int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
373 struct ieee80211_vif *vif, int sset);
374 void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
375 struct ieee80211_vif *vif,
376 struct ethtool_stats *stats, u64 *data);
377 #else
379 #define TX_STAT_INC(c) do { } while (0)
380 #define TX_STAT_ADD(c, a) do { } while (0)
381 #define RX_STAT_INC(c) do { } while (0)
382 #define RX_STAT_ADD(c, a) do { } while (0)
383 #define CAB_STAT_INC do { } while (0)
385 #define TX_QSTAT_INC(c) do { } while (0)
387 static inline void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
388 struct ath_htc_rx_status *rxs)
392 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
394 #define ATH_LED_PIN_DEF 1
395 #define ATH_LED_PIN_9287 10
396 #define ATH_LED_PIN_9271 15
397 #define ATH_LED_PIN_7010 12
399 #define BSTUCK_THRESHOLD 10
402 * Adjust these when the max. no of beaconing interfaces is
403 * increased.
405 #define DEFAULT_SWBA_RESPONSE 40 /* in TUs */
406 #define MIN_SWBA_RESPONSE 10 /* in TUs */
408 struct htc_beacon_config {
409 struct ieee80211_vif *bslot[ATH9K_HTC_MAX_BCN_VIF];
410 u16 beacon_interval;
411 u16 dtim_period;
412 u16 bmiss_timeout;
413 u32 bmiss_cnt;
416 struct ath_btcoex {
417 u32 bt_priority_cnt;
418 unsigned long bt_priority_time;
419 int bt_stomp_type; /* Types of BT stomping */
420 u32 btcoex_no_stomp;
421 u32 btcoex_period;
422 u32 btscan_no_stomp;
425 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
426 void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product);
427 void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv);
428 void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv);
429 #else
430 static inline void ath9k_htc_init_btcoex(struct ath9k_htc_priv *priv, char *product)
433 static inline void ath9k_htc_start_btcoex(struct ath9k_htc_priv *priv)
436 static inline void ath9k_htc_stop_btcoex(struct ath9k_htc_priv *priv)
439 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
441 #define OP_INVALID BIT(0)
442 #define OP_SCANNING BIT(1)
443 #define OP_ENABLE_BEACON BIT(2)
444 #define OP_BT_PRIORITY_DETECTED BIT(3)
445 #define OP_BT_SCAN BIT(4)
446 #define OP_ANI_RUNNING BIT(5)
447 #define OP_TSF_RESET BIT(6)
449 struct ath9k_htc_priv {
450 struct device *dev;
451 struct ieee80211_hw *hw;
452 struct ath_hw *ah;
453 struct htc_target *htc;
454 struct wmi *wmi;
456 u16 fw_version_major;
457 u16 fw_version_minor;
459 enum htc_endpoint_id wmi_cmd_ep;
460 enum htc_endpoint_id beacon_ep;
461 enum htc_endpoint_id cab_ep;
462 enum htc_endpoint_id uapsd_ep;
463 enum htc_endpoint_id mgmt_ep;
464 enum htc_endpoint_id data_be_ep;
465 enum htc_endpoint_id data_bk_ep;
466 enum htc_endpoint_id data_vi_ep;
467 enum htc_endpoint_id data_vo_ep;
469 u8 vif_slot;
470 u8 mon_vif_idx;
471 u8 sta_slot;
472 u8 vif_sta_pos[ATH9K_HTC_MAX_VIF];
473 u8 num_ibss_vif;
474 u8 num_mbss_vif;
475 u8 num_sta_vif;
476 u8 num_sta_assoc_vif;
477 u8 num_ap_vif;
479 u16 curtxpow;
480 u16 txpowlimit;
481 u16 nvifs;
482 u16 nstations;
483 bool rearm_ani;
484 bool reconfig_beacon;
485 unsigned int rxfilter;
486 unsigned long op_flags;
488 struct ath9k_hw_cal_data caldata;
489 struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
491 spinlock_t beacon_lock;
492 struct htc_beacon_config cur_beacon_conf;
494 struct ath9k_htc_rx rx;
495 struct ath9k_htc_tx tx;
497 struct tasklet_struct swba_tasklet;
498 struct tasklet_struct rx_tasklet;
499 struct delayed_work ani_work;
500 struct tasklet_struct tx_failed_tasklet;
501 struct work_struct ps_work;
502 struct work_struct fatal_work;
504 struct mutex htc_pm_lock;
505 unsigned long ps_usecount;
506 bool ps_enabled;
507 bool ps_idle;
509 #ifdef CONFIG_MAC80211_LEDS
510 enum led_brightness brightness;
511 bool led_registered;
512 char led_name[32];
513 struct led_classdev led_cdev;
514 struct work_struct led_work;
515 #endif
517 int beaconq;
518 int cabq;
519 int hwq_map[IEEE80211_NUM_ACS];
521 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
522 struct ath_btcoex btcoex;
523 #endif
525 struct delayed_work coex_period_work;
526 struct delayed_work duty_cycle_work;
527 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
528 struct ath9k_debug debug;
529 #endif
530 struct mutex mutex;
533 static inline void ath_read_cachesize(struct ath_common *common, int *csz)
535 common->bus_ops->read_cachesize(common, csz);
538 void ath9k_htc_reset(struct ath9k_htc_priv *priv);
540 void ath9k_htc_assign_bslot(struct ath9k_htc_priv *priv,
541 struct ieee80211_vif *vif);
542 void ath9k_htc_remove_bslot(struct ath9k_htc_priv *priv,
543 struct ieee80211_vif *vif);
544 void ath9k_htc_set_tsfadjust(struct ath9k_htc_priv *priv,
545 struct ieee80211_vif *vif);
546 void ath9k_htc_beaconq_config(struct ath9k_htc_priv *priv);
547 void ath9k_htc_beacon_config(struct ath9k_htc_priv *priv,
548 struct ieee80211_vif *vif);
549 void ath9k_htc_beacon_reconfig(struct ath9k_htc_priv *priv);
550 void ath9k_htc_swba(struct ath9k_htc_priv *priv,
551 struct wmi_event_swba *swba);
553 void ath9k_htc_rxep(void *priv, struct sk_buff *skb,
554 enum htc_endpoint_id ep_id);
555 void ath9k_htc_txep(void *priv, struct sk_buff *skb, enum htc_endpoint_id ep_id,
556 bool txok);
557 void ath9k_htc_beaconep(void *drv_priv, struct sk_buff *skb,
558 enum htc_endpoint_id ep_id, bool txok);
560 int ath9k_htc_update_cap_target(struct ath9k_htc_priv *priv,
561 u8 enable_coex);
562 void ath9k_htc_ani_work(struct work_struct *work);
563 void ath9k_htc_start_ani(struct ath9k_htc_priv *priv);
564 void ath9k_htc_stop_ani(struct ath9k_htc_priv *priv);
566 int ath9k_tx_init(struct ath9k_htc_priv *priv);
567 int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
568 struct ieee80211_sta *sta,
569 struct sk_buff *skb, u8 slot, bool is_cab);
570 void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
571 bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
572 int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
573 int get_hw_qnum(u16 queue, int *hwq_map);
574 int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
575 struct ath9k_tx_queue_info *qinfo);
576 void ath9k_htc_check_stop_queues(struct ath9k_htc_priv *priv);
577 void ath9k_htc_check_wake_queues(struct ath9k_htc_priv *priv);
578 int ath9k_htc_tx_get_slot(struct ath9k_htc_priv *priv);
579 void ath9k_htc_tx_clear_slot(struct ath9k_htc_priv *priv, int slot);
580 void ath9k_htc_tx_drain(struct ath9k_htc_priv *priv);
581 void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event);
582 void ath9k_tx_failed_tasklet(unsigned long data);
583 void ath9k_htc_tx_cleanup_timer(unsigned long data);
585 int ath9k_rx_init(struct ath9k_htc_priv *priv);
586 void ath9k_rx_cleanup(struct ath9k_htc_priv *priv);
587 void ath9k_host_rx_init(struct ath9k_htc_priv *priv);
588 void ath9k_rx_tasklet(unsigned long data);
589 u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv);
591 void ath9k_htc_ps_wakeup(struct ath9k_htc_priv *priv);
592 void ath9k_htc_ps_restore(struct ath9k_htc_priv *priv);
593 void ath9k_ps_work(struct work_struct *work);
594 bool ath9k_htc_setpower(struct ath9k_htc_priv *priv,
595 enum ath9k_power_mode mode);
597 void ath9k_start_rfkill_poll(struct ath9k_htc_priv *priv);
598 void ath9k_htc_rfkill_poll_state(struct ieee80211_hw *hw);
600 struct base_eep_header *ath9k_htc_get_eeprom_base(struct ath9k_htc_priv *priv);
602 #ifdef CONFIG_MAC80211_LEDS
603 void ath9k_init_leds(struct ath9k_htc_priv *priv);
604 void ath9k_deinit_leds(struct ath9k_htc_priv *priv);
605 void ath9k_led_work(struct work_struct *work);
606 #else
607 static inline void ath9k_init_leds(struct ath9k_htc_priv *priv)
611 static inline void ath9k_deinit_leds(struct ath9k_htc_priv *priv)
615 static inline void ath9k_led_work(struct work_struct *work)
618 #endif
620 int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
621 u16 devid, char *product, u32 drv_info);
622 void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug);
623 #ifdef CONFIG_PM
624 void ath9k_htc_suspend(struct htc_target *htc_handle);
625 int ath9k_htc_resume(struct htc_target *htc_handle);
626 #endif
627 #ifdef CONFIG_ATH9K_HTC_DEBUGFS
628 int ath9k_htc_init_debug(struct ath_hw *ah);
629 #else
630 static inline int ath9k_htc_init_debug(struct ath_hw *ah) { return 0; };
631 #endif /* CONFIG_ATH9K_HTC_DEBUGFS */
633 #endif /* HTC_H */