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
32 static 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
rtl_btc_init_variables(struct rtl_priv * rtlpriv)50 void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
51 {
52 exhalbtc_initlize_variables(rtlpriv);
53 }
54
rtl_btc_init_hal_vars(struct rtl_priv * rtlpriv)55 void 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 exhalbtc_set_ant_num(BT_COEX_ANT_TYPE_PG, ant_num);
76 }
77
rtl_btc_init_hw_config(struct rtl_priv * rtlpriv)78 void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
79 {
80 exhalbtc_init_hw_config(&gl_bt_coexist);
81 exhalbtc_init_coex_dm(&gl_bt_coexist);
82 }
83
rtl_btc_ips_notify(struct rtl_priv * rtlpriv,u8 type)84 void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
85 {
86 exhalbtc_ips_notify(&gl_bt_coexist, type);
87 }
88
rtl_btc_lps_notify(struct rtl_priv * rtlpriv,u8 type)89 void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type)
90 {
91 exhalbtc_lps_notify(&gl_bt_coexist, type);
92 }
93
rtl_btc_scan_notify(struct rtl_priv * rtlpriv,u8 scantype)94 void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
95 {
96 exhalbtc_scan_notify(&gl_bt_coexist, scantype);
97 }
98
rtl_btc_connect_notify(struct rtl_priv * rtlpriv,u8 action)99 void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
100 {
101 exhalbtc_connect_notify(&gl_bt_coexist, action);
102 }
103
rtl_btc_mediastatus_notify(struct rtl_priv * rtlpriv,enum rt_media_status mstatus)104 void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
105 enum rt_media_status mstatus)
106 {
107 exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus);
108 }
109
rtl_btc_periodical(struct rtl_priv * rtlpriv)110 void rtl_btc_periodical(struct rtl_priv *rtlpriv)
111 {
112 /*rtl_bt_dm_monitor();*/
113 exhalbtc_periodical(&gl_bt_coexist);
114 }
115
rtl_btc_halt_notify(void)116 void rtl_btc_halt_notify(void)
117 {
118 exhalbtc_halt_notify(&gl_bt_coexist);
119 }
120
rtl_btc_btinfo_notify(struct rtl_priv * rtlpriv,u8 * tmp_buf,u8 length)121 void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
122 {
123 exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length);
124 }
125
rtl_btc_is_limited_dig(struct rtl_priv * rtlpriv)126 bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
127 {
128 return gl_bt_coexist.bt_info.limited_dig;
129 }
130
rtl_btc_is_disable_edca_turbo(struct rtl_priv * rtlpriv)131 bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
132 {
133 bool bt_change_edca = false;
134 u32 cur_edca_val;
135 u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
136 u32 edca_hs;
137 u32 edca_addr = 0x504;
138
139 cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
140 if (halbtc_is_wifi_uplink(rtlpriv)) {
141 if (cur_edca_val != edca_bt_hs_uplink) {
142 edca_hs = edca_bt_hs_uplink;
143 bt_change_edca = true;
144 }
145 } else {
146 if (cur_edca_val != edca_bt_hs_downlink) {
147 edca_hs = edca_bt_hs_downlink;
148 bt_change_edca = true;
149 }
150 }
151
152 if (bt_change_edca)
153 rtl_write_dword(rtlpriv, edca_addr, edca_hs);
154
155 return true;
156 }
157
rtl_btc_is_bt_disabled(struct rtl_priv * rtlpriv)158 bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
159 {
160 /* It seems 'bt_disabled' is never be initialized or set. */
161 if (gl_bt_coexist.bt_info.bt_disabled)
162 return true;
163 else
164 return false;
165 }
166
rtl_btc_special_packet_notify(struct rtl_priv * rtlpriv,u8 pkt_type)167 void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type)
168 {
169 return exhalbtc_special_packet_notify(&gl_bt_coexist, pkt_type);
170 }
171
rtl_btc_get_ops_pointer(void)172 struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
173 {
174 return &rtl_btc_operation;
175 }
176 EXPORT_SYMBOL(rtl_btc_get_ops_pointer);
177
rtl_get_hwpg_ant_num(struct rtl_priv * rtlpriv)178 u8 rtl_get_hwpg_ant_num(struct rtl_priv *rtlpriv)
179 {
180 u8 num;
181
182 if (rtlpriv->btcoexist.btc_info.ant_num == ANT_X2)
183 num = 2;
184 else
185 num = 1;
186
187 return num;
188 }
189
mgnt_link_status_query(struct ieee80211_hw * hw)190 enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw)
191 {
192 struct rtl_priv *rtlpriv = rtl_priv(hw);
193 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
194 enum rt_media_status m_status = RT_MEDIA_DISCONNECT;
195
196 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
197
198 if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
199 m_status = RT_MEDIA_CONNECT;
200
201 return m_status;
202 }
203
rtl_get_hwpg_bt_exist(struct rtl_priv * rtlpriv)204 u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
205 {
206 return rtlpriv->btcoexist.btc_info.btcoexist;
207 }
208
rtl_get_hwpg_bt_type(struct rtl_priv * rtlpriv)209 u8 rtl_get_hwpg_bt_type(struct rtl_priv *rtlpriv)
210 {
211 return rtlpriv->btcoexist.btc_info.bt_type;
212 }
213
214 MODULE_AUTHOR("Page He <page_he@realsil.com.cn>");
215 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
216 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
217 MODULE_LICENSE("GPL");
218 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
219
rtl_btcoexist_module_init(void)220 static int __init rtl_btcoexist_module_init(void)
221 {
222 return 0;
223 }
224
rtl_btcoexist_module_exit(void)225 static void __exit rtl_btcoexist_module_exit(void)
226 {
227 return;
228 }
229
230 module_init(rtl_btcoexist_module_init);
231 module_exit(rtl_btcoexist_module_exit);
232