1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2013 Realtek Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12  * more details.
13  *
14  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  * wlanfae <wlanfae@realtek.com>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <Larry.Finger@lwfinger.net>
23  *
24  ******************************************************************************/
25 
26 #include "halbt_precomp.h"
27 
28 /***********************************************
29  *		Global variables
30  ***********************************************/
31 
32 struct btc_coexist gl_bt_coexist;
33 
34 u32 btc_dbg_type[BTC_MSG_MAX];
35 
36 /***************************************************
37  *		Debug related function
38  ***************************************************/
39 static bool halbtc_is_bt_coexist_available(struct btc_coexist *btcoexist)
40 {
41 	if (!btcoexist->binded || NULL == btcoexist->adapter)
42 		return false;
43 
44 	return true;
45 }
46 
47 static bool halbtc_is_wifi_busy(struct rtl_priv *rtlpriv)
48 {
49 	if (rtlpriv->link_info.busytraffic)
50 		return true;
51 	else
52 		return false;
53 }
54 
55 static void halbtc_dbg_init(void)
56 {
57 	u8 i;
58 
59 	for (i = 0; i < BTC_MSG_MAX; i++)
60 		btc_dbg_type[i] = 0;
61 
62 	btc_dbg_type[BTC_MSG_INTERFACE] =
63 /*			INTF_INIT				| */
64 /*			INTF_NOTIFY				| */
65 			0;
66 
67 	btc_dbg_type[BTC_MSG_ALGORITHM] =
68 /*			ALGO_BT_RSSI_STATE			| */
69 /*			ALGO_WIFI_RSSI_STATE			| */
70 /*			ALGO_BT_MONITOR				| */
71 /*			ALGO_TRACE				| */
72 /*			ALGO_TRACE_FW				| */
73 /*			ALGO_TRACE_FW_DETAIL			| */
74 /*			ALGO_TRACE_FW_EXEC			| */
75 /*			ALGO_TRACE_SW				| */
76 /*			ALGO_TRACE_SW_DETAIL			| */
77 /*			ALGO_TRACE_SW_EXEC			| */
78 			0;
79 }
80 
81 static bool halbtc_is_bt40(struct rtl_priv *adapter)
82 {
83 	struct rtl_priv *rtlpriv = adapter;
84 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
85 	bool is_ht40 = true;
86 	enum ht_channel_width bw = rtlphy->current_chan_bw;
87 
88 	if (bw == HT_CHANNEL_WIDTH_20)
89 		is_ht40 = false;
90 	else if (bw == HT_CHANNEL_WIDTH_20_40)
91 		is_ht40 = true;
92 
93 	return is_ht40;
94 }
95 
96 static bool halbtc_legacy(struct rtl_priv *adapter)
97 {
98 	struct rtl_priv *rtlpriv = adapter;
99 	struct rtl_mac *mac = rtl_mac(rtlpriv);
100 
101 	bool is_legacy = false;
102 
103 	if ((mac->mode == WIRELESS_MODE_B) || (mac->mode == WIRELESS_MODE_G))
104 		is_legacy = true;
105 
106 	return is_legacy;
107 }
108 
109 bool halbtc_is_wifi_uplink(struct rtl_priv *adapter)
110 {
111 	struct rtl_priv *rtlpriv = adapter;
112 
113 	if (rtlpriv->link_info.tx_busy_traffic)
114 		return true;
115 	else
116 		return false;
117 }
118 
119 static u32 halbtc_get_wifi_bw(struct btc_coexist *btcoexist)
120 {
121 	struct rtl_priv *rtlpriv =
122 		(struct rtl_priv *)btcoexist->adapter;
123 	u32 wifi_bw = BTC_WIFI_BW_HT20;
124 
125 	if (halbtc_is_bt40(rtlpriv)) {
126 		wifi_bw = BTC_WIFI_BW_HT40;
127 	} else {
128 		if (halbtc_legacy(rtlpriv))
129 			wifi_bw = BTC_WIFI_BW_LEGACY;
130 		else
131 			wifi_bw = BTC_WIFI_BW_HT20;
132 	}
133 	return wifi_bw;
134 }
135 
136 static u8 halbtc_get_wifi_central_chnl(struct btc_coexist *btcoexist)
137 {
138 	struct rtl_priv *rtlpriv = btcoexist->adapter;
139 	struct rtl_phy	*rtlphy = &(rtlpriv->phy);
140 	u8 chnl = 1;
141 
142 	if (rtlphy->current_channel != 0)
143 		chnl = rtlphy->current_channel;
144 	RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
145 		 "static halbtc_get_wifi_central_chnl:%d\n", chnl);
146 	return chnl;
147 }
148 
149 u8 rtl_get_hwpg_single_ant_path(struct rtl_priv *rtlpriv)
150 {
151 	return rtlpriv->btcoexist.btc_info.single_ant_path;
152 }
153 
154 u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
155 {
156 	return rtlpriv->btcoexist.btc_info.bt_type;
157 }
158 
159 u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
160 {
161 	u8 num;
162 
163 	if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
164 		num = 2;
165 	else
166 		num = 1;
167 
168 	return num;
169 }
170 
171 u8 rtl_get_hwpg_package_type(struct rtl_priv *rtlpriv)
172 {
173 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
174 
175 	return rtlhal->package_type;
176 }
177 
178 static void halbtc_leave_lps(struct btc_coexist *btcoexist)
179 {
180 	struct rtl_priv *rtlpriv;
181 	struct rtl_ps_ctl *ppsc;
182 	bool ap_enable = false;
183 
184 	rtlpriv = btcoexist->adapter;
185 	ppsc = rtl_psc(rtlpriv);
186 
187 	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_AP_MODE_ENABLE,
188 			   &ap_enable);
189 
190 	if (ap_enable) {
191 		pr_info("halbtc_leave_lps()<--dont leave lps under AP mode\n");
192 		return;
193 	}
194 
195 	btcoexist->bt_info.bt_ctrl_lps = true;
196 	btcoexist->bt_info.bt_lps_on = false;
197 }
198 
199 static void halbtc_enter_lps(struct btc_coexist *btcoexist)
200 {
201 	struct rtl_priv *rtlpriv;
202 	struct rtl_ps_ctl *ppsc;
203 	bool ap_enable = false;
204 
205 	rtlpriv = btcoexist->adapter;
206 	ppsc = rtl_psc(rtlpriv);
207 
208 	btcoexist->btc_get(btcoexist, BTC_GET_BL_WIFI_AP_MODE_ENABLE,
209 			   &ap_enable);
210 
211 	if (ap_enable) {
212 		pr_info("halbtc_enter_lps()<--dont enter lps under AP mode\n");
213 		return;
214 	}
215 
216 	btcoexist->bt_info.bt_ctrl_lps = true;
217 	btcoexist->bt_info.bt_lps_on = false;
218 }
219 
220 static void halbtc_normal_lps(struct btc_coexist *btcoexist)
221 {
222 	if (btcoexist->bt_info.bt_ctrl_lps) {
223 		btcoexist->bt_info.bt_lps_on = false;
224 		btcoexist->bt_info.bt_ctrl_lps = false;
225 	}
226 }
227 
228 static void halbtc_leave_low_power(void)
229 {
230 }
231 
232 static void halbtc_nomal_low_power(void)
233 {
234 }
235 
236 static void halbtc_disable_low_power(void)
237 {
238 }
239 
240 static void halbtc_aggregation_check(void)
241 {
242 }
243 
244 static u32 halbtc_get_bt_patch_version(struct btc_coexist *btcoexist)
245 {
246 	return 0;
247 }
248 
249 static s32 halbtc_get_wifi_rssi(struct rtl_priv *adapter)
250 {
251 	struct rtl_priv *rtlpriv = adapter;
252 	s32	undec_sm_pwdb = 0;
253 
254 	if (rtlpriv->mac80211.link_state >= MAC80211_LINKED)
255 		undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
256 	else /* associated entry pwdb */
257 		undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
258 	return undec_sm_pwdb;
259 }
260 
261 static bool halbtc_get(void *void_btcoexist, u8 get_type, void *out_buf)
262 {
263 	struct btc_coexist *btcoexist = (struct btc_coexist *)void_btcoexist;
264 	struct rtl_priv *rtlpriv = btcoexist->adapter;
265 	struct rtl_phy *rtlphy = &(rtlpriv->phy);
266 	struct rtl_mac *mac = rtl_mac(rtlpriv);
267 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
268 	bool *bool_tmp = (bool *)out_buf;
269 	int *s32_tmp = (int *)out_buf;
270 	u32 *u32_tmp = (u32 *)out_buf;
271 	u8 *u8_tmp = (u8 *)out_buf;
272 	bool tmp = false;
273 
274 	if (!halbtc_is_bt_coexist_available(btcoexist))
275 		return false;
276 
277 	switch (get_type) {
278 	case BTC_GET_BL_HS_OPERATION:
279 		*bool_tmp = false;
280 		break;
281 	case BTC_GET_BL_HS_CONNECTING:
282 		*bool_tmp = false;
283 		break;
284 	case BTC_GET_BL_WIFI_CONNECTED:
285 		if (rtlpriv->mac80211.link_state >= MAC80211_LINKED)
286 			tmp = true;
287 		*bool_tmp = tmp;
288 		break;
289 	case BTC_GET_BL_WIFI_BUSY:
290 		if (halbtc_is_wifi_busy(rtlpriv))
291 			*bool_tmp = true;
292 		else
293 			*bool_tmp = false;
294 		break;
295 	case BTC_GET_BL_WIFI_SCAN:
296 		if (mac->act_scanning)
297 			*bool_tmp = true;
298 		else
299 			*bool_tmp = false;
300 		break;
301 	case BTC_GET_BL_WIFI_LINK:
302 		if (mac->link_state == MAC80211_LINKING)
303 			*bool_tmp = true;
304 		else
305 			*bool_tmp = false;
306 		break;
307 	case BTC_GET_BL_WIFI_ROAM:	/*TODO*/
308 		if (mac->link_state == MAC80211_LINKING)
309 			*bool_tmp = true;
310 		else
311 			*bool_tmp = false;
312 		break;
313 	case BTC_GET_BL_WIFI_4_WAY_PROGRESS:	/*TODO*/
314 			*bool_tmp = false;
315 
316 		break;
317 	case BTC_GET_BL_WIFI_UNDER_5G:
318 		*bool_tmp = false; /*TODO*/
319 
320 	case BTC_GET_BL_WIFI_DHCP:	/*TODO*/
321 		break;
322 	case BTC_GET_BL_WIFI_SOFTAP_IDLE:
323 		*bool_tmp = true;
324 		break;
325 	case BTC_GET_BL_WIFI_SOFTAP_LINKING:
326 		*bool_tmp = false;
327 		break;
328 	case BTC_GET_BL_WIFI_IN_EARLY_SUSPEND:
329 		*bool_tmp = false;
330 		break;
331 	case BTC_GET_BL_WIFI_AP_MODE_ENABLE:
332 		*bool_tmp = false;
333 		break;
334 	case BTC_GET_BL_WIFI_ENABLE_ENCRYPTION:
335 		if (NO_ENCRYPTION == rtlpriv->sec.pairwise_enc_algorithm)
336 			*bool_tmp = false;
337 		else
338 			*bool_tmp = true;
339 		break;
340 	case BTC_GET_BL_WIFI_UNDER_B_MODE:
341 		*bool_tmp = false; /*TODO*/
342 		break;
343 	case BTC_GET_BL_EXT_SWITCH:
344 		*bool_tmp = false;
345 		break;
346 	case BTC_GET_S4_WIFI_RSSI:
347 		*s32_tmp = halbtc_get_wifi_rssi(rtlpriv);
348 		break;
349 	case BTC_GET_S4_HS_RSSI:	/*TODO*/
350 		*s32_tmp = halbtc_get_wifi_rssi(rtlpriv);
351 		break;
352 	case BTC_GET_U4_WIFI_BW:
353 		*u32_tmp = halbtc_get_wifi_bw(btcoexist);
354 		break;
355 	case BTC_GET_U4_WIFI_TRAFFIC_DIRECTION:
356 		if (halbtc_is_wifi_uplink(rtlpriv))
357 			*u32_tmp = BTC_WIFI_TRAFFIC_TX;
358 		else
359 			*u32_tmp = BTC_WIFI_TRAFFIC_RX;
360 		break;
361 	case BTC_GET_U4_WIFI_FW_VER:
362 		*u32_tmp = rtlhal->fw_version;
363 		break;
364 	case BTC_GET_U4_BT_PATCH_VER:
365 		*u32_tmp = halbtc_get_bt_patch_version(btcoexist);
366 		break;
367 	case BTC_GET_U4_VENDOR:
368 		*u32_tmp = BTC_VENDOR_OTHER;
369 		break;
370 	case BTC_GET_U1_WIFI_DOT11_CHNL:
371 		*u8_tmp = rtlphy->current_channel;
372 		break;
373 	case BTC_GET_U1_WIFI_CENTRAL_CHNL:
374 		*u8_tmp = halbtc_get_wifi_central_chnl(btcoexist);
375 		break;
376 	case BTC_GET_U1_WIFI_HS_CHNL:
377 		*u8_tmp = 1;/*BT_OperateChnl(rtlpriv);*/
378 		break;
379 	case BTC_GET_U1_MAC_PHY_MODE:
380 		*u8_tmp = BTC_MP_UNKNOWN;
381 		break;
382 
383 		/************* 1Ant **************/
384 	case BTC_GET_U1_LPS_MODE:
385 		*u8_tmp = btcoexist->pwr_mode_val[0];
386 		break;
387 
388 	default:
389 		break;
390 	}
391 
392 	return true;
393 }
394 
395 static bool halbtc_set(void *void_btcoexist, u8 set_type, void *in_buf)
396 {
397 	struct btc_coexist *btcoexist = (struct btc_coexist *)void_btcoexist;
398 	bool *bool_tmp = (bool *)in_buf;
399 	u8 *u8_tmp = (u8 *)in_buf;
400 	u32 *u32_tmp = (u32 *)in_buf;
401 
402 	if (!halbtc_is_bt_coexist_available(btcoexist))
403 		return false;
404 
405 	switch (set_type) {
406 	/* set some bool type variables. */
407 	case BTC_SET_BL_BT_DISABLE:
408 		btcoexist->bt_info.bt_disabled = *bool_tmp;
409 		break;
410 	case BTC_SET_BL_BT_TRAFFIC_BUSY:
411 		btcoexist->bt_info.bt_busy = *bool_tmp;
412 		break;
413 	case BTC_SET_BL_BT_LIMITED_DIG:
414 		btcoexist->bt_info.limited_dig = *bool_tmp;
415 		break;
416 	case BTC_SET_BL_FORCE_TO_ROAM:
417 		btcoexist->bt_info.force_to_roam = *bool_tmp;
418 		break;
419 	case BTC_SET_BL_TO_REJ_AP_AGG_PKT:
420 		btcoexist->bt_info.reject_agg_pkt = *bool_tmp;
421 		break;
422 	case BTC_SET_BL_BT_CTRL_AGG_SIZE:
423 		btcoexist->bt_info.bt_ctrl_buf_size = *bool_tmp;
424 		break;
425 	case BTC_SET_BL_INC_SCAN_DEV_NUM:
426 		btcoexist->bt_info.increase_scan_dev_num = *bool_tmp;
427 		break;
428 		/* set some u1Byte type variables. */
429 	case BTC_SET_U1_RSSI_ADJ_VAL_FOR_AGC_TABLE_ON:
430 		btcoexist->bt_info.rssi_adjust_for_agc_table_on = *u8_tmp;
431 		break;
432 	case BTC_SET_U1_AGG_BUF_SIZE:
433 		btcoexist->bt_info.agg_buf_size = *u8_tmp;
434 		break;
435 		/* the following are some action which will be triggered */
436 	case BTC_SET_ACT_GET_BT_RSSI:
437 		/*BTHCI_SendGetBtRssiEvent(rtlpriv);*/
438 		break;
439 	case BTC_SET_ACT_AGGREGATE_CTRL:
440 		halbtc_aggregation_check();
441 		break;
442 
443 		/* 1Ant */
444 	case BTC_SET_U1_RSSI_ADJ_VAL_FOR_1ANT_COEX_TYPE:
445 		btcoexist->bt_info.rssi_adjust_for_1ant_coex_type = *u8_tmp;
446 		break;
447 	case BTC_SET_UI_SCAN_SIG_COMPENSATION:
448 	/*	rtlpriv->mlmepriv.scan_compensation = *u8_tmp;  */
449 		break;
450 	case BTC_SET_U1_1ANT_LPS:
451 		btcoexist->bt_info.lps_val = *u8_tmp;
452 		break;
453 	case BTC_SET_U1_1ANT_RPWM:
454 		btcoexist->bt_info.rpwm_val = *u8_tmp;
455 		break;
456 	/* the following are some action which will be triggered  */
457 	case BTC_SET_ACT_LEAVE_LPS:
458 		halbtc_leave_lps(btcoexist);
459 		break;
460 	case BTC_SET_ACT_ENTER_LPS:
461 		halbtc_enter_lps(btcoexist);
462 		break;
463 	case BTC_SET_ACT_NORMAL_LPS:
464 		halbtc_normal_lps(btcoexist);
465 		break;
466 	case BTC_SET_ACT_DISABLE_LOW_POWER:
467 		halbtc_disable_low_power();
468 		break;
469 	case BTC_SET_ACT_UPDATE_ra_mask:
470 		btcoexist->bt_info.ra_mask = *u32_tmp;
471 		break;
472 	case BTC_SET_ACT_SEND_MIMO_PS:
473 		break;
474 	case BTC_SET_ACT_INC_FORCE_EXEC_PWR_CMD_CNT:
475 		btcoexist->bt_info.force_exec_pwr_cmd_cnt++;
476 		break;
477 	case BTC_SET_ACT_CTRL_BT_INFO: /*wait for 8812/8821*/
478 		break;
479 	case BTC_SET_ACT_CTRL_BT_COEX:
480 		break;
481 	default:
482 		break;
483 	}
484 
485 	return true;
486 }
487 
488 static void halbtc_display_coex_statistics(struct btc_coexist *btcoexist)
489 {
490 }
491 
492 static void halbtc_display_bt_link_info(struct btc_coexist *btcoexist)
493 {
494 }
495 
496 static void halbtc_display_bt_fw_info(struct btc_coexist *btcoexist)
497 {
498 }
499 
500 static void halbtc_display_fw_pwr_mode_cmd(struct btc_coexist *btcoexist)
501 {
502 }
503 
504 /************************************************************
505  *		IO related function
506  ************************************************************/
507 static u8 halbtc_read_1byte(void *bt_context, u32 reg_addr)
508 {
509 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
510 	struct rtl_priv *rtlpriv = btcoexist->adapter;
511 
512 	return	rtl_read_byte(rtlpriv, reg_addr);
513 }
514 
515 static u16 halbtc_read_2byte(void *bt_context, u32 reg_addr)
516 {
517 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
518 	struct rtl_priv *rtlpriv = btcoexist->adapter;
519 
520 	return	rtl_read_word(rtlpriv, reg_addr);
521 }
522 
523 static u32 halbtc_read_4byte(void *bt_context, u32 reg_addr)
524 {
525 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
526 	struct rtl_priv *rtlpriv = btcoexist->adapter;
527 
528 	return	rtl_read_dword(rtlpriv, reg_addr);
529 }
530 
531 static void halbtc_write_1byte(void *bt_context, u32 reg_addr, u32 data)
532 {
533 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
534 	struct rtl_priv *rtlpriv = btcoexist->adapter;
535 
536 	rtl_write_byte(rtlpriv, reg_addr, data);
537 }
538 
539 static void halbtc_bitmask_write_1byte(void *bt_context, u32 reg_addr,
540 				       u32 bit_mask, u8 data)
541 {
542 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
543 	struct rtl_priv *rtlpriv = btcoexist->adapter;
544 	u8 original_value, bit_shift = 0;
545 	u8 i;
546 
547 	if (bit_mask != MASKDWORD) {/*if not "double word" write*/
548 		original_value = rtl_read_byte(rtlpriv, reg_addr);
549 		for (i = 0; i <= 7; i++) {
550 			if ((bit_mask>>i) & 0x1)
551 				break;
552 		}
553 		bit_shift = i;
554 		data = (original_value & (~bit_mask)) |
555 			((data << bit_shift) & bit_mask);
556 	}
557 	rtl_write_byte(rtlpriv, reg_addr, data);
558 }
559 
560 static void halbtc_write_2byte(void *bt_context, u32 reg_addr, u16 data)
561 {
562 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
563 	struct rtl_priv *rtlpriv = btcoexist->adapter;
564 
565 	rtl_write_word(rtlpriv, reg_addr, data);
566 }
567 
568 static void halbtc_write_4byte(void *bt_context, u32 reg_addr, u32 data)
569 {
570 	struct btc_coexist *btcoexist =
571 		(struct btc_coexist *)bt_context;
572 	struct rtl_priv *rtlpriv = btcoexist->adapter;
573 
574 	rtl_write_dword(rtlpriv, reg_addr, data);
575 }
576 
577 static void halbtc_set_bbreg(void *bt_context, u32 reg_addr, u32 bit_mask,
578 			     u32 data)
579 {
580 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
581 	struct rtl_priv *rtlpriv = btcoexist->adapter;
582 
583 	rtl_set_bbreg(rtlpriv->mac80211.hw, reg_addr, bit_mask, data);
584 }
585 
586 static u32 halbtc_get_bbreg(void *bt_context, u32 reg_addr, u32 bit_mask)
587 {
588 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
589 	struct rtl_priv *rtlpriv = btcoexist->adapter;
590 
591 	return rtl_get_bbreg(rtlpriv->mac80211.hw, reg_addr, bit_mask);
592 }
593 
594 static void halbtc_set_rfreg(void *bt_context, u8 rf_path, u32 reg_addr,
595 			     u32 bit_mask, u32 data)
596 {
597 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
598 	struct rtl_priv *rtlpriv = btcoexist->adapter;
599 
600 	rtl_set_rfreg(rtlpriv->mac80211.hw, rf_path, reg_addr, bit_mask, data);
601 }
602 
603 static u32 halbtc_get_rfreg(void *bt_context, u8 rf_path, u32 reg_addr,
604 			    u32 bit_mask)
605 {
606 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
607 	struct rtl_priv *rtlpriv = btcoexist->adapter;
608 
609 	return rtl_get_rfreg(rtlpriv->mac80211.hw, rf_path, reg_addr, bit_mask);
610 }
611 
612 static void halbtc_fill_h2c_cmd(void *bt_context, u8 element_id,
613 				u32 cmd_len, u8 *cmd_buf)
614 {
615 	struct btc_coexist *btcoexist = (struct btc_coexist *)bt_context;
616 	struct rtl_priv *rtlpriv = btcoexist->adapter;
617 
618 	rtlpriv->cfg->ops->fill_h2c_cmd(rtlpriv->mac80211.hw, element_id,
619 					cmd_len, cmd_buf);
620 }
621 
622 static void halbtc_display_dbg_msg(void *bt_context, u8 disp_type)
623 {
624 	struct btc_coexist *btcoexist =	(struct btc_coexist *)bt_context;
625 	switch (disp_type) {
626 	case BTC_DBG_DISP_COEX_STATISTICS:
627 		halbtc_display_coex_statistics(btcoexist);
628 		break;
629 	case BTC_DBG_DISP_BT_LINK_INFO:
630 		halbtc_display_bt_link_info(btcoexist);
631 		break;
632 	case BTC_DBG_DISP_BT_FW_VER:
633 		halbtc_display_bt_fw_info(btcoexist);
634 		break;
635 	case BTC_DBG_DISP_FW_PWR_MODE_CMD:
636 		halbtc_display_fw_pwr_mode_cmd(btcoexist);
637 		break;
638 	default:
639 		break;
640 	}
641 }
642 
643 /*****************************************************************
644  *         Extern functions called by other module
645  *****************************************************************/
646 bool exhalbtc_initlize_variables(struct rtl_priv *adapter)
647 {
648 	struct btc_coexist *btcoexist = &gl_bt_coexist;
649 
650 	btcoexist->statistics.cnt_bind++;
651 
652 	halbtc_dbg_init();
653 
654 	if (btcoexist->binded)
655 		return false;
656 	else
657 		btcoexist->binded = true;
658 
659 	btcoexist->chip_interface = BTC_INTF_UNKNOWN;
660 
661 	if (NULL == btcoexist->adapter)
662 		btcoexist->adapter = adapter;
663 
664 	btcoexist->stack_info.profile_notified = false;
665 
666 	btcoexist->btc_read_1byte = halbtc_read_1byte;
667 	btcoexist->btc_write_1byte = halbtc_write_1byte;
668 	btcoexist->btc_write_1byte_bitmask = halbtc_bitmask_write_1byte;
669 	btcoexist->btc_read_2byte = halbtc_read_2byte;
670 	btcoexist->btc_write_2byte = halbtc_write_2byte;
671 	btcoexist->btc_read_4byte = halbtc_read_4byte;
672 	btcoexist->btc_write_4byte = halbtc_write_4byte;
673 
674 	btcoexist->btc_set_bb_reg = halbtc_set_bbreg;
675 	btcoexist->btc_get_bb_reg = halbtc_get_bbreg;
676 
677 	btcoexist->btc_set_rf_reg = halbtc_set_rfreg;
678 	btcoexist->btc_get_rf_reg = halbtc_get_rfreg;
679 
680 	btcoexist->btc_fill_h2c = halbtc_fill_h2c_cmd;
681 	btcoexist->btc_disp_dbg_msg = halbtc_display_dbg_msg;
682 
683 	btcoexist->btc_get = halbtc_get;
684 	btcoexist->btc_set = halbtc_set;
685 
686 	btcoexist->bt_info.bt_ctrl_buf_size = false;
687 	btcoexist->bt_info.agg_buf_size = 5;
688 
689 	btcoexist->bt_info.increase_scan_dev_num = false;
690 	return true;
691 }
692 
693 void exhalbtc_init_hw_config(struct btc_coexist *btcoexist)
694 {
695 	struct rtl_priv *rtlpriv = btcoexist->adapter;
696 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
697 
698 	if (!halbtc_is_bt_coexist_available(btcoexist))
699 		return;
700 
701 	btcoexist->statistics.cnt_init_hw_config++;
702 
703 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
704 		ex_btc8723b2ant_init_hwconfig(btcoexist);
705 }
706 
707 void exhalbtc_init_coex_dm(struct btc_coexist *btcoexist)
708 {
709 	struct rtl_priv *rtlpriv = btcoexist->adapter;
710 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
711 
712 	if (!halbtc_is_bt_coexist_available(btcoexist))
713 		return;
714 
715 	btcoexist->statistics.cnt_init_coex_dm++;
716 
717 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
718 		ex_btc8723b2ant_init_coex_dm(btcoexist);
719 
720 	btcoexist->initilized = true;
721 }
722 
723 void exhalbtc_ips_notify(struct btc_coexist *btcoexist, u8 type)
724 {
725 	struct rtl_priv *rtlpriv = btcoexist->adapter;
726 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
727 	u8 ips_type;
728 
729 	if (!halbtc_is_bt_coexist_available(btcoexist))
730 		return;
731 	btcoexist->statistics.cnt_ips_notify++;
732 	if (btcoexist->manual_control)
733 		return;
734 
735 	if (ERFOFF == type)
736 		ips_type = BTC_IPS_ENTER;
737 	else
738 		ips_type = BTC_IPS_LEAVE;
739 
740 	halbtc_leave_low_power();
741 
742 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
743 		ex_btc8723b2ant_ips_notify(btcoexist, ips_type);
744 
745 	halbtc_nomal_low_power();
746 }
747 
748 void exhalbtc_lps_notify(struct btc_coexist *btcoexist, u8 type)
749 {
750 	struct rtl_priv *rtlpriv = btcoexist->adapter;
751 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
752 	u8 lps_type;
753 
754 	if (!halbtc_is_bt_coexist_available(btcoexist))
755 		return;
756 	btcoexist->statistics.cnt_lps_notify++;
757 	if (btcoexist->manual_control)
758 		return;
759 
760 	if (EACTIVE == type)
761 		lps_type = BTC_LPS_DISABLE;
762 	else
763 		lps_type = BTC_LPS_ENABLE;
764 
765 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
766 		ex_btc8723b2ant_lps_notify(btcoexist, lps_type);
767 }
768 
769 void exhalbtc_scan_notify(struct btc_coexist *btcoexist, u8 type)
770 {
771 	struct rtl_priv *rtlpriv = btcoexist->adapter;
772 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
773 	u8 scan_type;
774 
775 	if (!halbtc_is_bt_coexist_available(btcoexist))
776 		return;
777 	btcoexist->statistics.cnt_scan_notify++;
778 	if (btcoexist->manual_control)
779 		return;
780 
781 	if (type)
782 		scan_type = BTC_SCAN_START;
783 	else
784 		scan_type = BTC_SCAN_FINISH;
785 
786 	halbtc_leave_low_power();
787 
788 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
789 		ex_btc8723b2ant_scan_notify(btcoexist, scan_type);
790 
791 	halbtc_nomal_low_power();
792 }
793 
794 void exhalbtc_connect_notify(struct btc_coexist *btcoexist, u8 action)
795 {
796 	struct rtl_priv *rtlpriv = btcoexist->adapter;
797 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
798 	u8 asso_type;
799 
800 	if (!halbtc_is_bt_coexist_available(btcoexist))
801 		return;
802 	btcoexist->statistics.cnt_connect_notify++;
803 	if (btcoexist->manual_control)
804 		return;
805 
806 	if (action)
807 		asso_type = BTC_ASSOCIATE_START;
808 	else
809 		asso_type = BTC_ASSOCIATE_FINISH;
810 
811 	halbtc_leave_low_power();
812 
813 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
814 		ex_btc8723b2ant_connect_notify(btcoexist, asso_type);
815 }
816 
817 void exhalbtc_mediastatus_notify(struct btc_coexist *btcoexist,
818 				 enum rt_media_status media_status)
819 {
820 	u8 status;
821 
822 	if (!halbtc_is_bt_coexist_available(btcoexist))
823 		return;
824 	btcoexist->statistics.cnt_media_status_notify++;
825 	if (btcoexist->manual_control)
826 		return;
827 
828 	if (RT_MEDIA_CONNECT == media_status)
829 		status = BTC_MEDIA_CONNECT;
830 	else
831 		status = BTC_MEDIA_DISCONNECT;
832 
833 	halbtc_leave_low_power();
834 
835 	halbtc_nomal_low_power();
836 }
837 
838 void exhalbtc_special_packet_notify(struct btc_coexist *btcoexist, u8 pkt_type)
839 {
840 	struct rtl_priv *rtlpriv = btcoexist->adapter;
841 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
842 	u8 packet_type;
843 
844 	if (!halbtc_is_bt_coexist_available(btcoexist))
845 		return;
846 	btcoexist->statistics.cnt_special_packet_notify++;
847 	if (btcoexist->manual_control)
848 		return;
849 
850 	packet_type = BTC_PACKET_DHCP;
851 
852 	halbtc_leave_low_power();
853 
854 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
855 		ex_btc8723b2ant_special_packet_notify(btcoexist,
856 						      packet_type);
857 
858 	halbtc_nomal_low_power();
859 }
860 
861 void exhalbtc_bt_info_notify(struct btc_coexist *btcoexist,
862 			     u8 *tmp_buf, u8 length)
863 {
864 	struct rtl_priv *rtlpriv = btcoexist->adapter;
865 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
866 	if (!halbtc_is_bt_coexist_available(btcoexist))
867 		return;
868 	btcoexist->statistics.cnt_bt_info_notify++;
869 
870 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
871 		ex_btc8723b2ant_bt_info_notify(btcoexist, tmp_buf, length);
872 }
873 
874 void exhalbtc_stack_operation_notify(struct btc_coexist *btcoexist, u8 type)
875 {
876 	u8 stack_op_type;
877 
878 	if (!halbtc_is_bt_coexist_available(btcoexist))
879 		return;
880 	btcoexist->statistics.cnt_stack_operation_notify++;
881 	if (btcoexist->manual_control)
882 		return;
883 
884 	stack_op_type = BTC_STACK_OP_NONE;
885 
886 	halbtc_leave_low_power();
887 
888 	halbtc_nomal_low_power();
889 }
890 
891 void exhalbtc_halt_notify(struct btc_coexist *btcoexist)
892 {
893 	struct rtl_priv *rtlpriv = btcoexist->adapter;
894 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
895 	if (!halbtc_is_bt_coexist_available(btcoexist))
896 		return;
897 
898 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
899 		ex_btc8723b2ant_halt_notify(btcoexist);
900 }
901 
902 void exhalbtc_pnp_notify(struct btc_coexist *btcoexist, u8 pnp_state)
903 {
904 	if (!halbtc_is_bt_coexist_available(btcoexist))
905 		return;
906 }
907 
908 void exhalbtc_periodical(struct btc_coexist *btcoexist)
909 {
910 	struct rtl_priv *rtlpriv = btcoexist->adapter;
911 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
912 	if (!halbtc_is_bt_coexist_available(btcoexist))
913 		return;
914 	btcoexist->statistics.cnt_periodical++;
915 
916 	halbtc_leave_low_power();
917 
918 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
919 		ex_btc8723b2ant_periodical(btcoexist);
920 
921 	halbtc_nomal_low_power();
922 }
923 
924 void exhalbtc_dbg_control(struct btc_coexist *btcoexist,
925 			  u8 code, u8 len, u8 *data)
926 {
927 	if (!halbtc_is_bt_coexist_available(btcoexist))
928 		return;
929 	btcoexist->statistics.cnt_dbg_ctrl++;
930 }
931 
932 void exhalbtc_stack_update_profile_info(void)
933 {
934 }
935 
936 void exhalbtc_update_min_bt_rssi(s8 bt_rssi)
937 {
938 	struct btc_coexist *btcoexist = &gl_bt_coexist;
939 
940 	if (!halbtc_is_bt_coexist_available(btcoexist))
941 		return;
942 
943 	btcoexist->stack_info.min_bt_rssi = bt_rssi;
944 }
945 
946 void exhalbtc_set_hci_version(u16 hci_version)
947 {
948 	struct btc_coexist *btcoexist = &gl_bt_coexist;
949 
950 	if (!halbtc_is_bt_coexist_available(btcoexist))
951 		return;
952 
953 	btcoexist->stack_info.hci_version = hci_version;
954 }
955 
956 void exhalbtc_set_bt_patch_version(u16 bt_hci_version, u16 bt_patch_version)
957 {
958 	struct btc_coexist *btcoexist = &gl_bt_coexist;
959 
960 	if (!halbtc_is_bt_coexist_available(btcoexist))
961 		return;
962 
963 	btcoexist->bt_info.bt_real_fw_ver = bt_patch_version;
964 	btcoexist->bt_info.bt_hci_ver = bt_hci_version;
965 }
966 
967 void exhalbtc_set_bt_exist(bool bt_exist)
968 {
969 	gl_bt_coexist.board_info.bt_exist = bt_exist;
970 }
971 
972 void exhalbtc_set_chip_type(u8 chip_type)
973 {
974 	switch (chip_type) {
975 	default:
976 	case BT_2WIRE:
977 	case BT_ISSC_3WIRE:
978 	case BT_ACCEL:
979 	case BT_RTL8756:
980 		gl_bt_coexist.board_info.bt_chip_type = BTC_CHIP_UNDEF;
981 		break;
982 	case BT_CSR_BC4:
983 		gl_bt_coexist.board_info.bt_chip_type = BTC_CHIP_CSR_BC4;
984 		break;
985 	case BT_CSR_BC8:
986 		gl_bt_coexist.board_info.bt_chip_type = BTC_CHIP_CSR_BC8;
987 		break;
988 	case BT_RTL8723A:
989 		gl_bt_coexist.board_info.bt_chip_type = BTC_CHIP_RTL8723A;
990 		break;
991 	case BT_RTL8821A:
992 		gl_bt_coexist.board_info.bt_chip_type = BTC_CHIP_RTL8821;
993 		break;
994 	case BT_RTL8723B:
995 		gl_bt_coexist.board_info.bt_chip_type = BTC_CHIP_RTL8723B;
996 		break;
997 	}
998 }
999 
1000 void exhalbtc_set_ant_num(struct rtl_priv *rtlpriv, u8 type, u8 ant_num)
1001 {
1002 	if (BT_COEX_ANT_TYPE_PG == type) {
1003 		gl_bt_coexist.board_info.pg_ant_num = ant_num;
1004 		gl_bt_coexist.board_info.btdm_ant_num = ant_num;
1005 		/* The antenna position:
1006 		 * Main (default) or Aux for pgAntNum=2 && btdmAntNum =1.
1007 		 * The antenna position should be determined by
1008 		 * auto-detect mechanism.
1009 		 * The following is assumed to main,
1010 		 * and those must be modified
1011 		 * if y auto-detect mechanism is ready
1012 		 */
1013 		if ((gl_bt_coexist.board_info.pg_ant_num == 2) &&
1014 		    (gl_bt_coexist.board_info.btdm_ant_num == 1))
1015 			gl_bt_coexist.board_info.btdm_ant_pos =
1016 						       BTC_ANTENNA_AT_MAIN_PORT;
1017 		else
1018 			gl_bt_coexist.board_info.btdm_ant_pos =
1019 						       BTC_ANTENNA_AT_MAIN_PORT;
1020 	} else if (BT_COEX_ANT_TYPE_ANTDIV == type) {
1021 		gl_bt_coexist.board_info.btdm_ant_num = ant_num;
1022 		gl_bt_coexist.board_info.btdm_ant_pos =
1023 						       BTC_ANTENNA_AT_MAIN_PORT;
1024 	} else if (type == BT_COEX_ANT_TYPE_DETECTED) {
1025 		gl_bt_coexist.board_info.btdm_ant_num = ant_num;
1026 		if (rtlpriv->cfg->mod_params->ant_sel == 1)
1027 			gl_bt_coexist.board_info.btdm_ant_pos =
1028 				BTC_ANTENNA_AT_AUX_PORT;
1029 		else
1030 			gl_bt_coexist.board_info.btdm_ant_pos =
1031 				BTC_ANTENNA_AT_MAIN_PORT;
1032 	}
1033 }
1034 
1035 void exhalbtc_display_bt_coex_info(struct btc_coexist *btcoexist)
1036 {
1037 	struct rtl_priv *rtlpriv = btcoexist->adapter;
1038 	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
1039 	if (!halbtc_is_bt_coexist_available(btcoexist))
1040 		return;
1041 
1042 	if (rtlhal->hw_type == HARDWARE_TYPE_RTL8723BE)
1043 		ex_btc8723b2ant_display_coex_info(btcoexist);
1044 }
1045