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1 /*
2  * This file is part of wlcore
3  *
4  * Copyright (C) 2011 Texas Instruments Inc.
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18  * 02110-1301 USA
19  *
20  */
21 
22 #ifndef __WLCORE_H__
23 #define __WLCORE_H__
24 
25 #include <linux/platform_device.h>
26 
27 #include "wlcore_i.h"
28 #include "event.h"
29 #include "boot.h"
30 
31 /* The maximum number of Tx descriptors in all chip families */
32 #define WLCORE_MAX_TX_DESCRIPTORS 32
33 
34 /*
35  * We always allocate this number of mac addresses. If we don't
36  * have enough allocated addresses, the LAA bit is used
37  */
38 #define WLCORE_NUM_MAC_ADDRESSES 3
39 
40 /* wl12xx/wl18xx maximum transmission power (in dBm) */
41 #define WLCORE_MAX_TXPWR        25
42 
43 /* forward declaration */
44 struct wl1271_tx_hw_descr;
45 enum wl_rx_buf_align;
46 struct wl1271_rx_descriptor;
47 
48 struct wlcore_ops {
49 	int (*setup)(struct wl1271 *wl);
50 	int (*identify_chip)(struct wl1271 *wl);
51 	int (*identify_fw)(struct wl1271 *wl);
52 	int (*boot)(struct wl1271 *wl);
53 	int (*plt_init)(struct wl1271 *wl);
54 	int (*trigger_cmd)(struct wl1271 *wl, int cmd_box_addr,
55 			   void *buf, size_t len);
56 	int (*ack_event)(struct wl1271 *wl);
57 	int (*wait_for_event)(struct wl1271 *wl, enum wlcore_wait_event event,
58 			      bool *timeout);
59 	int (*process_mailbox_events)(struct wl1271 *wl);
60 	u32 (*calc_tx_blocks)(struct wl1271 *wl, u32 len, u32 spare_blks);
61 	void (*set_tx_desc_blocks)(struct wl1271 *wl,
62 				   struct wl1271_tx_hw_descr *desc,
63 				   u32 blks, u32 spare_blks);
64 	void (*set_tx_desc_data_len)(struct wl1271 *wl,
65 				     struct wl1271_tx_hw_descr *desc,
66 				     struct sk_buff *skb);
67 	enum wl_rx_buf_align (*get_rx_buf_align)(struct wl1271 *wl,
68 						 u32 rx_desc);
69 	int (*prepare_read)(struct wl1271 *wl, u32 rx_desc, u32 len);
70 	u32 (*get_rx_packet_len)(struct wl1271 *wl, void *rx_data,
71 				 u32 data_len);
72 	int (*tx_delayed_compl)(struct wl1271 *wl);
73 	void (*tx_immediate_compl)(struct wl1271 *wl);
74 	int (*hw_init)(struct wl1271 *wl);
75 	int (*init_vif)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
76 	void (*convert_fw_status)(struct wl1271 *wl, void *raw_fw_status,
77 				  struct wl_fw_status *fw_status);
78 	u32 (*sta_get_ap_rate_mask)(struct wl1271 *wl,
79 				    struct wl12xx_vif *wlvif);
80 	int (*get_pg_ver)(struct wl1271 *wl, s8 *ver);
81 	int (*get_mac)(struct wl1271 *wl);
82 	void (*set_tx_desc_csum)(struct wl1271 *wl,
83 				 struct wl1271_tx_hw_descr *desc,
84 				 struct sk_buff *skb);
85 	void (*set_rx_csum)(struct wl1271 *wl,
86 			    struct wl1271_rx_descriptor *desc,
87 			    struct sk_buff *skb);
88 	u32 (*ap_get_mimo_wide_rate_mask)(struct wl1271 *wl,
89 					  struct wl12xx_vif *wlvif);
90 	int (*debugfs_init)(struct wl1271 *wl, struct dentry *rootdir);
91 	int (*handle_static_data)(struct wl1271 *wl,
92 				  struct wl1271_static_data *static_data);
93 	int (*scan_start)(struct wl1271 *wl, struct wl12xx_vif *wlvif,
94 			  struct cfg80211_scan_request *req);
95 	int (*scan_stop)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
96 	int (*sched_scan_start)(struct wl1271 *wl, struct wl12xx_vif *wlvif,
97 				struct cfg80211_sched_scan_request *req,
98 				struct ieee80211_scan_ies *ies);
99 	void (*sched_scan_stop)(struct wl1271 *wl, struct wl12xx_vif *wlvif);
100 	int (*get_spare_blocks)(struct wl1271 *wl, bool is_gem);
101 	int (*set_key)(struct wl1271 *wl, enum set_key_cmd cmd,
102 		       struct ieee80211_vif *vif,
103 		       struct ieee80211_sta *sta,
104 		       struct ieee80211_key_conf *key_conf);
105 	int (*channel_switch)(struct wl1271 *wl,
106 			      struct wl12xx_vif *wlvif,
107 			      struct ieee80211_channel_switch *ch_switch);
108 	u32 (*pre_pkt_send)(struct wl1271 *wl, u32 buf_offset, u32 last_len);
109 	void (*sta_rc_update)(struct wl1271 *wl, struct wl12xx_vif *wlvif,
110 			      struct ieee80211_sta *sta, u32 changed);
111 	int (*set_peer_cap)(struct wl1271 *wl,
112 			    struct ieee80211_sta_ht_cap *ht_cap,
113 			    bool allow_ht_operation,
114 			    u32 rate_set, u8 hlid);
115 	u32 (*convert_hwaddr)(struct wl1271 *wl, u32 hwaddr);
116 	bool (*lnk_high_prio)(struct wl1271 *wl, u8 hlid,
117 			      struct wl1271_link *lnk);
118 	bool (*lnk_low_prio)(struct wl1271 *wl, u8 hlid,
119 			     struct wl1271_link *lnk);
120 	int (*smart_config_start)(struct wl1271 *wl, u32 group_bitmap);
121 	int (*smart_config_stop)(struct wl1271 *wl);
122 	int (*smart_config_set_group_key)(struct wl1271 *wl, u16 group_id,
123 					  u8 key_len, u8 *key);
124 	int (*set_cac)(struct wl1271 *wl, struct wl12xx_vif *wlvif,
125 		       bool start);
126 };
127 
128 enum wlcore_partitions {
129 	PART_DOWN,
130 	PART_WORK,
131 	PART_BOOT,
132 	PART_DRPW,
133 	PART_TOP_PRCM_ELP_SOC,
134 	PART_PHY_INIT,
135 
136 	PART_TABLE_LEN,
137 };
138 
139 struct wlcore_partition {
140 	u32 size;
141 	u32 start;
142 };
143 
144 struct wlcore_partition_set {
145 	struct wlcore_partition mem;
146 	struct wlcore_partition reg;
147 	struct wlcore_partition mem2;
148 	struct wlcore_partition mem3;
149 };
150 
151 enum wlcore_registers {
152 	/* register addresses, used with partition translation */
153 	REG_ECPU_CONTROL,
154 	REG_INTERRUPT_NO_CLEAR,
155 	REG_INTERRUPT_ACK,
156 	REG_COMMAND_MAILBOX_PTR,
157 	REG_EVENT_MAILBOX_PTR,
158 	REG_INTERRUPT_TRIG,
159 	REG_INTERRUPT_MASK,
160 	REG_PC_ON_RECOVERY,
161 	REG_CHIP_ID_B,
162 	REG_CMD_MBOX_ADDRESS,
163 
164 	/* data access memory addresses, used with partition translation */
165 	REG_SLV_MEM_DATA,
166 	REG_SLV_REG_DATA,
167 
168 	/* raw data access memory addresses */
169 	REG_RAW_FW_STATUS_ADDR,
170 
171 	REG_TABLE_LEN,
172 };
173 
174 struct wl1271_stats {
175 	void *fw_stats;
176 	unsigned long fw_stats_update;
177 	size_t fw_stats_len;
178 
179 	unsigned int retry_count;
180 	unsigned int excessive_retries;
181 };
182 
183 struct wl1271 {
184 	bool initialized;
185 	struct ieee80211_hw *hw;
186 	bool mac80211_registered;
187 
188 	struct device *dev;
189 	struct platform_device *pdev;
190 
191 	void *if_priv;
192 
193 	struct wl1271_if_operations *if_ops;
194 
195 	int irq;
196 
197 	int irq_flags;
198 
199 	spinlock_t wl_lock;
200 
201 	enum wlcore_state state;
202 	enum wl12xx_fw_type fw_type;
203 	bool plt;
204 	enum plt_mode plt_mode;
205 	u8 fem_manuf;
206 	u8 last_vif_count;
207 	struct mutex mutex;
208 
209 	unsigned long flags;
210 
211 	struct wlcore_partition_set curr_part;
212 
213 	struct wl1271_chip chip;
214 
215 	int cmd_box_addr;
216 
217 	u8 *fw;
218 	size_t fw_len;
219 	void *nvs;
220 	size_t nvs_len;
221 
222 	s8 hw_pg_ver;
223 
224 	/* address read from the fuse ROM */
225 	u32 fuse_oui_addr;
226 	u32 fuse_nic_addr;
227 
228 	/* we have up to 2 MAC addresses */
229 	struct mac_address addresses[WLCORE_NUM_MAC_ADDRESSES];
230 	int channel;
231 	u8 system_hlid;
232 
233 	unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)];
234 	unsigned long roles_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
235 	unsigned long roc_map[BITS_TO_LONGS(WL12XX_MAX_ROLES)];
236 	unsigned long rate_policies_map[
237 			BITS_TO_LONGS(WL12XX_MAX_RATE_POLICIES)];
238 	unsigned long klv_templates_map[
239 			BITS_TO_LONGS(WLCORE_MAX_KLV_TEMPLATES)];
240 
241 	u8 session_ids[WLCORE_MAX_LINKS];
242 
243 	struct list_head wlvif_list;
244 
245 	u8 sta_count;
246 	u8 ap_count;
247 
248 	struct wl1271_acx_mem_map *target_mem_map;
249 
250 	/* Accounting for allocated / available TX blocks on HW */
251 	u32 tx_blocks_freed;
252 	u32 tx_blocks_available;
253 	u32 tx_allocated_blocks;
254 	u32 tx_results_count;
255 
256 	/* Accounting for allocated / available Tx packets in HW */
257 	u32 tx_pkts_freed[NUM_TX_QUEUES];
258 	u32 tx_allocated_pkts[NUM_TX_QUEUES];
259 
260 	/* Transmitted TX packets counter for chipset interface */
261 	u32 tx_packets_count;
262 
263 	/* Time-offset between host and chipset clocks */
264 	s64 time_offset;
265 
266 	/* Frames scheduled for transmission, not handled yet */
267 	int tx_queue_count[NUM_TX_QUEUES];
268 	unsigned long queue_stop_reasons[
269 				NUM_TX_QUEUES * WLCORE_NUM_MAC_ADDRESSES];
270 
271 	/* Frames received, not handled yet by mac80211 */
272 	struct sk_buff_head deferred_rx_queue;
273 
274 	/* Frames sent, not returned yet to mac80211 */
275 	struct sk_buff_head deferred_tx_queue;
276 
277 	struct work_struct tx_work;
278 	struct workqueue_struct *freezable_wq;
279 
280 	/* Pending TX frames */
281 	unsigned long tx_frames_map[BITS_TO_LONGS(WLCORE_MAX_TX_DESCRIPTORS)];
282 	struct sk_buff *tx_frames[WLCORE_MAX_TX_DESCRIPTORS];
283 	int tx_frames_cnt;
284 
285 	/* FW Rx counter */
286 	u32 rx_counter;
287 
288 	/* Intermediate buffer, used for packet aggregation */
289 	u8 *aggr_buf;
290 	u32 aggr_buf_size;
291 
292 	/* Reusable dummy packet template */
293 	struct sk_buff *dummy_packet;
294 
295 	/* Network stack work  */
296 	struct work_struct netstack_work;
297 
298 	/* FW log buffer */
299 	u8 *fwlog;
300 
301 	/* Number of valid bytes in the FW log buffer */
302 	ssize_t fwlog_size;
303 
304 	/* FW log end marker */
305 	u32 fwlog_end;
306 
307 	/* FW memory block size */
308 	u32 fw_mem_block_size;
309 
310 	/* Sysfs FW log entry readers wait queue */
311 	wait_queue_head_t fwlog_waitq;
312 
313 	/* Hardware recovery work */
314 	struct work_struct recovery_work;
315 	bool watchdog_recovery;
316 
317 	/* Reg domain last configuration */
318 	u32 reg_ch_conf_last[2];
319 	/* Reg domain pending configuration */
320 	u32 reg_ch_conf_pending[2];
321 
322 	/* Pointer that holds DMA-friendly block for the mailbox */
323 	void *mbox;
324 
325 	/* The mbox event mask */
326 	u32 event_mask;
327 	/* events to unmask only when ap interface is up */
328 	u32 ap_event_mask;
329 
330 	/* Mailbox pointers */
331 	u32 mbox_size;
332 	u32 mbox_ptr[2];
333 
334 	/* Are we currently scanning */
335 	struct wl12xx_vif *scan_wlvif;
336 	struct wl1271_scan scan;
337 	struct delayed_work scan_complete_work;
338 
339 	struct ieee80211_vif *roc_vif;
340 	struct delayed_work roc_complete_work;
341 
342 	struct wl12xx_vif *sched_vif;
343 
344 	/* The current band */
345 	enum ieee80211_band band;
346 
347 	struct completion *elp_compl;
348 	struct delayed_work elp_work;
349 
350 	/* in dBm */
351 	int power_level;
352 
353 	struct wl1271_stats stats;
354 
355 	__le32 *buffer_32;
356 	u32 buffer_cmd;
357 	u32 buffer_busyword[WL1271_BUSY_WORD_CNT];
358 
359 	void *raw_fw_status;
360 	struct wl_fw_status *fw_status;
361 	struct wl1271_tx_hw_res_if *tx_res_if;
362 
363 	/* Current chipset configuration */
364 	struct wlcore_conf conf;
365 
366 	bool sg_enabled;
367 
368 	bool enable_11a;
369 
370 	int recovery_count;
371 
372 	/* Most recently reported noise in dBm */
373 	s8 noise;
374 
375 	/* bands supported by this instance of wl12xx */
376 	struct ieee80211_supported_band bands[WLCORE_NUM_BANDS];
377 
378 	/*
379 	 * wowlan trigger was configured during suspend.
380 	 * (currently, only "ANY" trigger is supported)
381 	 */
382 	bool wow_enabled;
383 	bool irq_wake_enabled;
384 
385 	/*
386 	 * AP-mode - links indexed by HLID. The global and broadcast links
387 	 * are always active.
388 	 */
389 	struct wl1271_link links[WLCORE_MAX_LINKS];
390 
391 	/* number of currently active links */
392 	int active_link_count;
393 
394 	/* Fast/slow links bitmap according to FW */
395 	unsigned long fw_fast_lnk_map;
396 
397 	/* AP-mode - a bitmap of links currently in PS mode according to FW */
398 	unsigned long ap_fw_ps_map;
399 
400 	/* AP-mode - a bitmap of links currently in PS mode in mac80211 */
401 	unsigned long ap_ps_map;
402 
403 	/* Quirks of specific hardware revisions */
404 	unsigned int quirks;
405 
406 	/* number of currently active RX BA sessions */
407 	int ba_rx_session_count;
408 
409 	/* Maximum number of supported RX BA sessions */
410 	int ba_rx_session_count_max;
411 
412 	/* AP-mode - number of currently connected stations */
413 	int active_sta_count;
414 
415 	/* Flag determining whether AP should broadcast OFDM-only rates */
416 	bool ofdm_only_ap;
417 
418 	/* last wlvif we transmitted from */
419 	struct wl12xx_vif *last_wlvif;
420 
421 	/* work to fire when Tx is stuck */
422 	struct delayed_work tx_watchdog_work;
423 
424 	struct wlcore_ops *ops;
425 	/* pointer to the lower driver partition table */
426 	const struct wlcore_partition_set *ptable;
427 	/* pointer to the lower driver register table */
428 	const int *rtable;
429 	/* name of the firmwares to load - for PLT, single role, multi-role */
430 	const char *plt_fw_name;
431 	const char *sr_fw_name;
432 	const char *mr_fw_name;
433 
434 	u8 scan_templ_id_2_4;
435 	u8 scan_templ_id_5;
436 	u8 sched_scan_templ_id_2_4;
437 	u8 sched_scan_templ_id_5;
438 	u8 max_channels_5;
439 
440 	/* per-chip-family private structure */
441 	void *priv;
442 
443 	/* number of TX descriptors the HW supports. */
444 	u32 num_tx_desc;
445 	/* number of RX descriptors the HW supports. */
446 	u32 num_rx_desc;
447 	/* number of links the HW supports */
448 	u8 num_links;
449 	/* max stations a single AP can support */
450 	u8 max_ap_stations;
451 
452 	/* translate HW Tx rates to standard rate-indices */
453 	const u8 **band_rate_to_idx;
454 
455 	/* size of table for HW rates that can be received from chip */
456 	u8 hw_tx_rate_tbl_size;
457 
458 	/* this HW rate and below are considered HT rates for this chip */
459 	u8 hw_min_ht_rate;
460 
461 	/* HW HT (11n) capabilities */
462 	struct ieee80211_sta_ht_cap ht_cap[WLCORE_NUM_BANDS];
463 
464 	/* size of the private FW status data */
465 	size_t fw_status_len;
466 	size_t fw_status_priv_len;
467 
468 	/* RX Data filter rule state - enabled/disabled */
469 	unsigned long rx_filter_enabled[BITS_TO_LONGS(WL1271_MAX_RX_FILTERS)];
470 
471 	/* size of the private static data */
472 	size_t static_data_priv_len;
473 
474 	/* the current channel type */
475 	enum nl80211_channel_type channel_type;
476 
477 	/* mutex for protecting the tx_flush function */
478 	struct mutex flush_mutex;
479 
480 	/* sleep auth value currently configured to FW */
481 	int sleep_auth;
482 
483 	/* the number of allocated MAC addresses in this chip */
484 	int num_mac_addr;
485 
486 	/* minimum FW version required for the driver to work in single-role */
487 	unsigned int min_sr_fw_ver[NUM_FW_VER];
488 
489 	/* minimum FW version required for the driver to work in multi-role */
490 	unsigned int min_mr_fw_ver[NUM_FW_VER];
491 
492 	struct completion nvs_loading_complete;
493 
494 	/* interface combinations supported by the hw */
495 	const struct ieee80211_iface_combination *iface_combinations;
496 	u8 n_iface_combinations;
497 };
498 
499 int wlcore_probe(struct wl1271 *wl, struct platform_device *pdev);
500 int wlcore_remove(struct platform_device *pdev);
501 struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size, u32 aggr_buf_size,
502 				     u32 mbox_size);
503 int wlcore_free_hw(struct wl1271 *wl);
504 int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
505 		   struct ieee80211_vif *vif,
506 		   struct ieee80211_sta *sta,
507 		   struct ieee80211_key_conf *key_conf);
508 void wlcore_regdomain_config(struct wl1271 *wl);
509 void wlcore_update_inconn_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif,
510 			      struct wl1271_station *wl_sta, bool in_conn);
511 
512 static inline void
wlcore_set_ht_cap(struct wl1271 * wl,enum ieee80211_band band,struct ieee80211_sta_ht_cap * ht_cap)513 wlcore_set_ht_cap(struct wl1271 *wl, enum ieee80211_band band,
514 		  struct ieee80211_sta_ht_cap *ht_cap)
515 {
516 	memcpy(&wl->ht_cap[band], ht_cap, sizeof(*ht_cap));
517 }
518 
519 /* Tell wlcore not to care about this element when checking the version */
520 #define WLCORE_FW_VER_IGNORE	-1
521 
522 static inline void
wlcore_set_min_fw_ver(struct wl1271 * wl,unsigned int chip,unsigned int iftype_sr,unsigned int major_sr,unsigned int subtype_sr,unsigned int minor_sr,unsigned int iftype_mr,unsigned int major_mr,unsigned int subtype_mr,unsigned int minor_mr)523 wlcore_set_min_fw_ver(struct wl1271 *wl, unsigned int chip,
524 		      unsigned int iftype_sr, unsigned int major_sr,
525 		      unsigned int subtype_sr, unsigned int minor_sr,
526 		      unsigned int iftype_mr, unsigned int major_mr,
527 		      unsigned int subtype_mr, unsigned int minor_mr)
528 {
529 	wl->min_sr_fw_ver[FW_VER_CHIP] = chip;
530 	wl->min_sr_fw_ver[FW_VER_IF_TYPE] = iftype_sr;
531 	wl->min_sr_fw_ver[FW_VER_MAJOR] = major_sr;
532 	wl->min_sr_fw_ver[FW_VER_SUBTYPE] = subtype_sr;
533 	wl->min_sr_fw_ver[FW_VER_MINOR] = minor_sr;
534 
535 	wl->min_mr_fw_ver[FW_VER_CHIP] = chip;
536 	wl->min_mr_fw_ver[FW_VER_IF_TYPE] = iftype_mr;
537 	wl->min_mr_fw_ver[FW_VER_MAJOR] = major_mr;
538 	wl->min_mr_fw_ver[FW_VER_SUBTYPE] = subtype_mr;
539 	wl->min_mr_fw_ver[FW_VER_MINOR] = minor_mr;
540 }
541 
542 /* Firmware image load chunk size */
543 #define CHUNK_SIZE	16384
544 
545 /* Quirks */
546 
547 /* Each RX/TX transaction requires an end-of-transaction transfer */
548 #define WLCORE_QUIRK_END_OF_TRANSACTION		BIT(0)
549 
550 /* the first start_role(sta) sometimes doesn't work on wl12xx */
551 #define WLCORE_QUIRK_START_STA_FAILS		BIT(1)
552 
553 /* wl127x and SPI don't support SDIO block size alignment */
554 #define WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN		BIT(2)
555 
556 /* means aggregated Rx packets are aligned to a SDIO block */
557 #define WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN		BIT(3)
558 
559 /* Older firmwares did not implement the FW logger over bus feature */
560 #define WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED	BIT(4)
561 
562 /* Older firmwares use an old NVS format */
563 #define WLCORE_QUIRK_LEGACY_NVS			BIT(5)
564 
565 /* pad only the last frame in the aggregate buffer */
566 #define WLCORE_QUIRK_TX_PAD_LAST_FRAME		BIT(7)
567 
568 /* extra header space is required for TKIP */
569 #define WLCORE_QUIRK_TKIP_HEADER_SPACE		BIT(8)
570 
571 /* Some firmwares not support sched scans while connected */
572 #define WLCORE_QUIRK_NO_SCHED_SCAN_WHILE_CONN	BIT(9)
573 
574 /* separate probe response templates for one-shot and sched scans */
575 #define WLCORE_QUIRK_DUAL_PROBE_TMPL		BIT(10)
576 
577 /* Firmware requires reg domain configuration for active calibration */
578 #define WLCORE_QUIRK_REGDOMAIN_CONF		BIT(11)
579 
580 /* The FW only support a zero session id for AP */
581 #define WLCORE_QUIRK_AP_ZERO_SESSION_ID		BIT(12)
582 
583 /* TODO: move all these common registers and values elsewhere */
584 #define HW_ACCESS_ELP_CTRL_REG		0x1FFFC
585 
586 /* ELP register commands */
587 #define ELPCTRL_WAKE_UP             0x1
588 #define ELPCTRL_WAKE_UP_WLAN_READY  0x5
589 #define ELPCTRL_SLEEP               0x0
590 /* ELP WLAN_READY bit */
591 #define ELPCTRL_WLAN_READY          0x2
592 
593 /*************************************************************************
594 
595     Interrupt Trigger Register (Host -> WiLink)
596 
597 **************************************************************************/
598 
599 /* Hardware to Embedded CPU Interrupts - first 32-bit register set */
600 
601 /*
602  * The host sets this bit to inform the Wlan
603  * FW that a TX packet is in the XFER
604  * Buffer #0.
605  */
606 #define INTR_TRIG_TX_PROC0 BIT(2)
607 
608 /*
609  * The host sets this bit to inform the FW
610  * that it read a packet from RX XFER
611  * Buffer #0.
612  */
613 #define INTR_TRIG_RX_PROC0 BIT(3)
614 
615 #define INTR_TRIG_DEBUG_ACK BIT(4)
616 
617 #define INTR_TRIG_STATE_CHANGED BIT(5)
618 
619 /* Hardware to Embedded CPU Interrupts - second 32-bit register set */
620 
621 /*
622  * The host sets this bit to inform the FW
623  * that it read a packet from RX XFER
624  * Buffer #1.
625  */
626 #define INTR_TRIG_RX_PROC1 BIT(17)
627 
628 /*
629  * The host sets this bit to inform the Wlan
630  * hardware that a TX packet is in the XFER
631  * Buffer #1.
632  */
633 #define INTR_TRIG_TX_PROC1 BIT(18)
634 
635 #define ACX_SLV_SOFT_RESET_BIT	BIT(1)
636 #define SOFT_RESET_MAX_TIME	1000000
637 #define SOFT_RESET_STALL_TIME	1000
638 
639 #define ECPU_CONTROL_HALT	0x00000101
640 
641 #define WELP_ARM_COMMAND_VAL	0x4
642 
643 #endif /* __WLCORE_H__ */
644