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[linux.git] / drivers / net / wireless / rtlwifi / btcoexist / rtl_btc.c
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 <[email protected]>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <[email protected]>
23  *
24  *****************************************************************************/
25
26 #include "../wifi.h"
27 #include "rtl_btc.h"
28 #include "halbt_precomp.h"
29
30 #include <linux/vmalloc.h>
31 #include <linux/module.h>
32
33 static struct rtl_btc_ops rtl_btc_operation = {
34         .btc_init_variables = rtl_btc_init_variables,
35         .btc_init_hal_vars = rtl_btc_init_hal_vars,
36         .btc_init_hw_config = rtl_btc_init_hw_config,
37         .btc_ips_notify = rtl_btc_ips_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 };
48
49 void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
50 {
51         exhalbtc_initlize_variables(rtlpriv);
52 }
53
54 void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
55 {
56         u8 ant_num;
57         u8 bt_exist;
58         u8 bt_type;
59
60         ant_num = rtl_get_hwpg_ant_num(rtlpriv);
61         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
62                  "%s, antNum is %d\n", __func__, ant_num);
63
64         bt_exist = rtl_get_hwpg_bt_exist(rtlpriv);
65         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
66                  "%s, bt_exist is %d\n", __func__, bt_exist);
67         exhalbtc_set_bt_exist(bt_exist);
68
69         bt_type = rtl_get_hwpg_bt_type(rtlpriv);
70         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%s, bt_type is %d\n",
71                  __func__, bt_type);
72         exhalbtc_set_chip_type(bt_type);
73
74         exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num);
75 }
76
77 void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
78 {
79         exhalbtc_init_hw_config(&gl_bt_coexist);
80         exhalbtc_init_coex_dm(&gl_bt_coexist);
81 }
82
83 void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
84 {
85         exhalbtc_ips_notify(&gl_bt_coexist, type);
86 }
87
88 void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
89 {
90         exhalbtc_scan_notify(&gl_bt_coexist, scantype);
91 }
92
93 void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
94 {
95         exhalbtc_connect_notify(&gl_bt_coexist, action);
96 }
97
98 void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
99                                 enum _RT_MEDIA_STATUS mstatus)
100 {
101         exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus);
102 }
103
104 void rtl_btc_periodical(struct rtl_priv *rtlpriv)
105 {
106         exhalbtc_periodical(&gl_bt_coexist);
107 }
108
109 void rtl_btc_halt_notify(void)
110 {
111         exhalbtc_halt_notify(&gl_bt_coexist);
112 }
113
114 void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
115 {
116         exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length);
117 }
118
119 bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
120 {
121         return gl_bt_coexist.bt_info.limited_dig;
122 }
123
124 bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
125 {
126         bool bt_change_edca = false;
127         u32 cur_edca_val;
128         u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
129         u32 edca_hs;
130         u32 edca_addr = 0x504;
131
132         cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
133         if (halbtc_is_wifi_uplink(rtlpriv)) {
134                 if (cur_edca_val != edca_bt_hs_uplink) {
135                         edca_hs = edca_bt_hs_uplink;
136                         bt_change_edca = true;
137                 }
138         } else {
139                 if (cur_edca_val != edca_bt_hs_downlink) {
140                         edca_hs = edca_bt_hs_downlink;
141                         bt_change_edca = true;
142                 }
143         }
144
145         if (bt_change_edca)
146                 rtl_write_dword(rtlpriv, edca_addr, edca_hs);
147
148         return true;
149 }
150
151 bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
152 {
153         if (gl_bt_coexist.bt_info.bt_disabled)
154                 return true;
155         else
156                 return false;
157 }
158
159 struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
160 {
161         return &rtl_btc_operation;
162 }
163 EXPORT_SYMBOL(rtl_btc_get_ops_pointer);
164
165 u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
166 {
167         u8 num;
168
169         if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
170                 num = 2;
171         else
172                 num = 1;
173
174         return num;
175 }
176
177 enum _RT_MEDIA_STATUS mgnt_link_status_query(struct ieee80211_hw *hw)
178 {
179         struct rtl_priv *rtlpriv = rtl_priv(hw);
180         struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
181         enum _RT_MEDIA_STATUS    m_status = RT_MEDIA_DISCONNECT;
182
183         u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
184
185         if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
186                 m_status = RT_MEDIA_CONNECT;
187
188         return m_status;
189 }
190
191 u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
192 {
193         return rtlpriv->btcoexist.btc_info.btcoexist;
194 }
195
196 u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
197 {
198         return rtlpriv->btcoexist.btc_info.bt_type;
199 }
200
201 MODULE_AUTHOR("Page He  <[email protected]>");
202 MODULE_AUTHOR("Realtek WlanFAE  <[email protected]>");
203 MODULE_AUTHOR("Larry Finger     <[email protected]>");
204 MODULE_LICENSE("GPL");
205 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
206
207 static int __init rtl_btcoexist_module_init(void)
208 {
209         return 0;
210 }
211
212 static void __exit rtl_btcoexist_module_exit(void)
213 {
214         return;
215 }
216
217 module_init(rtl_btcoexist_module_init);
218 module_exit(rtl_btcoexist_module_exit);
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