1/******************************************************************************
2 *
3 * Copyright(c) 2009-2013  Realtek Corporation.
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#include "../wifi.h"
26#include <linux/vmalloc.h>
27#include <linux/module.h>
28
29#include "rtl_btc.h"
30#include "halbt_precomp.h"
31
32static struct rtl_btc_ops rtl_btc_operation = {
33	.btc_init_variables = rtl_btc_init_variables,
34	.btc_init_hal_vars = rtl_btc_init_hal_vars,
35	.btc_init_hw_config = rtl_btc_init_hw_config,
36	.btc_ips_notify = rtl_btc_ips_notify,
37	.btc_lps_notify = rtl_btc_lps_notify,
38	.btc_scan_notify = rtl_btc_scan_notify,
39	.btc_connect_notify = rtl_btc_connect_notify,
40	.btc_mediastatus_notify = rtl_btc_mediastatus_notify,
41	.btc_periodical = rtl_btc_periodical,
42	.btc_halt_notify = rtl_btc_halt_notify,
43	.btc_btinfo_notify = rtl_btc_btinfo_notify,
44	.btc_is_limited_dig = rtl_btc_is_limited_dig,
45	.btc_is_disable_edca_turbo = rtl_btc_is_disable_edca_turbo,
46	.btc_is_bt_disabled = rtl_btc_is_bt_disabled,
47	.btc_special_packet_notify = rtl_btc_special_packet_notify,
48};
49
50void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
51{
52	exhalbtc_initlize_variables(rtlpriv);
53}
54
55void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
56{
57	u8 ant_num;
58	u8 bt_exist;
59	u8 bt_type;
60
61	ant_num = rtl_get_hwpg_ant_num(rtlpriv);
62	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
63		 "%s, antNum is %d\n", __func__, ant_num);
64
65	bt_exist = rtl_get_hwpg_bt_exist(rtlpriv);
66	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
67		 "%s, bt_exist is %d\n", __func__, bt_exist);
68	exhalbtc_set_bt_exist(bt_exist);
69
70	bt_type = rtl_get_hwpg_bt_type(rtlpriv);
71	RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%s, bt_type is %d\n",
72		 __func__, bt_type);
73	exhalbtc_set_chip_type(bt_type);
74
75	if (rtlpriv->cfg->mod_params->ant_sel == 1)
76		exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_DETECTED, 1);
77	else
78		exhalbtc_set_ant_num(rtlpriv, BT_COEX_ANT_TYPE_PG, ant_num);
79}
80
81void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
82{
83	exhalbtc_init_hw_config(&gl_bt_coexist);
84	exhalbtc_init_coex_dm(&gl_bt_coexist);
85}
86
87void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
88{
89	exhalbtc_ips_notify(&gl_bt_coexist, type);
90}
91
92void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type)
93{
94	exhalbtc_lps_notify(&gl_bt_coexist, type);
95}
96
97void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
98{
99	exhalbtc_scan_notify(&gl_bt_coexist, scantype);
100}
101
102void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
103{
104	exhalbtc_connect_notify(&gl_bt_coexist, action);
105}
106
107void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
108				enum rt_media_status mstatus)
109{
110	exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus);
111}
112
113void rtl_btc_periodical(struct rtl_priv *rtlpriv)
114{
115	/*rtl_bt_dm_monitor();*/
116	exhalbtc_periodical(&gl_bt_coexist);
117}
118
119void rtl_btc_halt_notify(void)
120{
121	exhalbtc_halt_notify(&gl_bt_coexist);
122}
123
124void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
125{
126	exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length);
127}
128
129bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
130{
131	return gl_bt_coexist.bt_info.limited_dig;
132}
133
134bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
135{
136	bool bt_change_edca = false;
137	u32 cur_edca_val;
138	u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
139	u32 edca_hs;
140	u32 edca_addr = 0x504;
141
142	cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
143	if (halbtc_is_wifi_uplink(rtlpriv)) {
144		if (cur_edca_val != edca_bt_hs_uplink) {
145			edca_hs = edca_bt_hs_uplink;
146			bt_change_edca = true;
147		}
148	} else {
149		if (cur_edca_val != edca_bt_hs_downlink) {
150			edca_hs = edca_bt_hs_downlink;
151			bt_change_edca = true;
152		}
153	}
154
155	if (bt_change_edca)
156		rtl_write_dword(rtlpriv, edca_addr, edca_hs);
157
158	return true;
159}
160
161bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
162{
163	/* It seems 'bt_disabled' is never be initialized or set. */
164	if (gl_bt_coexist.bt_info.bt_disabled)
165		return true;
166	else
167		return false;
168}
169
170void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type)
171{
172	return exhalbtc_special_packet_notify(&gl_bt_coexist, pkt_type);
173}
174
175struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
176{
177	return &rtl_btc_operation;
178}
179EXPORT_SYMBOL(rtl_btc_get_ops_pointer);
180
181u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
182{
183	u8 num;
184
185	if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
186		num = 2;
187	else
188		num = 1;
189
190	return num;
191}
192
193enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw)
194{
195	struct rtl_priv *rtlpriv = rtl_priv(hw);
196	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
197	enum rt_media_status    m_status = RT_MEDIA_DISCONNECT;
198
199	u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
200
201	if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
202		m_status = RT_MEDIA_CONNECT;
203
204	return m_status;
205}
206
207u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
208{
209	return rtlpriv->btcoexist.btc_info.btcoexist;
210}
211
212u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
213{
214	return rtlpriv->btcoexist.btc_info.bt_type;
215}
216
217MODULE_AUTHOR("Page He	<page_he@realsil.com.cn>");
218MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
219MODULE_AUTHOR("Larry Finger	<Larry.FInger@lwfinger.net>");
220MODULE_LICENSE("GPL");
221MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
222
223static int __init rtl_btcoexist_module_init(void)
224{
225	return 0;
226}
227
228static void __exit rtl_btcoexist_module_exit(void)
229{
230	return;
231}
232
233module_init(rtl_btcoexist_module_init);
234module_exit(rtl_btcoexist_module_exit);
235