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 .btc_record_pwr_mode = rtl_btc_record_pwr_mode, 49 }; 50 51 void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len) 52 { 53 u8 safe_len; 54 55 safe_len = sizeof(gl_bt_coexist.pwr_mode_val); 56 57 if (safe_len > len) 58 safe_len = len; 59 60 memcpy(gl_bt_coexist.pwr_mode_val, buf, safe_len); 61 } 62 63 void rtl_btc_init_variables(struct rtl_priv *rtlpriv) 64 { 65 exhalbtc_initlize_variables(); 66 exhalbtc_bind_bt_coex_withadapter(rtlpriv); 67 } 68 69 void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv) 70 { 71 /* move ant_num, bt_type and single_ant_path to 72 * exhalbtc_bind_bt_coex_withadapter() 73 */ 74 } 75 76 void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv) 77 { 78 u8 bt_exist; 79 80 bt_exist = rtl_get_hwpg_bt_exist(rtlpriv); 81 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, 82 "%s, bt_exist is %d\n", __func__, bt_exist); 83 84 exhalbtc_init_hw_config(&gl_bt_coexist, !bt_exist); 85 exhalbtc_init_coex_dm(&gl_bt_coexist); 86 } 87 88 void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type) 89 { 90 exhalbtc_ips_notify(&gl_bt_coexist, type); 91 } 92 93 void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type) 94 { 95 exhalbtc_lps_notify(&gl_bt_coexist, type); 96 } 97 98 void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype) 99 { 100 exhalbtc_scan_notify(&gl_bt_coexist, scantype); 101 } 102 103 void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action) 104 { 105 exhalbtc_connect_notify(&gl_bt_coexist, action); 106 } 107 108 void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv, 109 enum rt_media_status mstatus) 110 { 111 exhalbtc_mediastatus_notify(&gl_bt_coexist, mstatus); 112 } 113 114 void rtl_btc_periodical(struct rtl_priv *rtlpriv) 115 { 116 /*rtl_bt_dm_monitor();*/ 117 exhalbtc_periodical(&gl_bt_coexist); 118 } 119 120 void rtl_btc_halt_notify(void) 121 { 122 struct btc_coexist *btcoexist = &gl_bt_coexist; 123 124 exhalbtc_halt_notify(btcoexist); 125 } 126 127 void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length) 128 { 129 exhalbtc_bt_info_notify(&gl_bt_coexist, tmp_buf, length); 130 } 131 132 bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv) 133 { 134 return gl_bt_coexist.bt_info.limited_dig; 135 } 136 137 bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv) 138 { 139 bool bt_change_edca = false; 140 u32 cur_edca_val; 141 u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b; 142 u32 edca_hs; 143 u32 edca_addr = 0x504; 144 145 cur_edca_val = rtl_read_dword(rtlpriv, edca_addr); 146 if (halbtc_is_wifi_uplink(rtlpriv)) { 147 if (cur_edca_val != edca_bt_hs_uplink) { 148 edca_hs = edca_bt_hs_uplink; 149 bt_change_edca = true; 150 } 151 } else { 152 if (cur_edca_val != edca_bt_hs_downlink) { 153 edca_hs = edca_bt_hs_downlink; 154 bt_change_edca = true; 155 } 156 } 157 158 if (bt_change_edca) 159 rtl_write_dword(rtlpriv, edca_addr, edca_hs); 160 161 return true; 162 } 163 164 bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv) 165 { 166 /* It seems 'bt_disabled' is never be initialized or set. */ 167 if (gl_bt_coexist.bt_info.bt_disabled) 168 return true; 169 else 170 return false; 171 } 172 173 void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type) 174 { 175 return exhalbtc_special_packet_notify(&gl_bt_coexist, pkt_type); 176 } 177 178 struct rtl_btc_ops *rtl_btc_get_ops_pointer(void) 179 { 180 return &rtl_btc_operation; 181 } 182 EXPORT_SYMBOL(rtl_btc_get_ops_pointer); 183 184 185 enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw) 186 { 187 struct rtl_priv *rtlpriv = rtl_priv(hw); 188 struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); 189 enum rt_media_status m_status = RT_MEDIA_DISCONNECT; 190 191 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; 192 193 if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED) 194 m_status = RT_MEDIA_CONNECT; 195 196 return m_status; 197 } 198 199 u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv) 200 { 201 return rtlpriv->btcoexist.btc_info.btcoexist; 202 } 203 204 MODULE_AUTHOR("Page He <page_he@realsil.com.cn>"); 205 MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); 206 MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); 207 MODULE_LICENSE("GPL"); 208 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); 209 210 static int __init rtl_btcoexist_module_init(void) 211 { 212 return 0; 213 } 214 215 static void __exit rtl_btcoexist_module_exit(void) 216 { 217 return; 218 } 219 220 module_init(rtl_btcoexist_module_init); 221 module_exit(rtl_btcoexist_module_exit); 222