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 50 void rtl_btc_init_variables(struct rtl_priv *rtlpriv) 51 { 52 exhalbtc_initlize_variables(rtlpriv); 53 } 54 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 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 84 void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type) 85 { 86 exhalbtc_ips_notify(&gl_bt_coexist, type); 87 } 88 89 void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type) 90 { 91 exhalbtc_lps_notify(&gl_bt_coexist, type); 92 } 93 94 void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype) 95 { 96 exhalbtc_scan_notify(&gl_bt_coexist, scantype); 97 } 98 99 void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action) 100 { 101 exhalbtc_connect_notify(&gl_bt_coexist, action); 102 } 103 104 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 } 109 110 void rtl_btc_periodical(struct rtl_priv *rtlpriv) 111 { 112 /*rtl_bt_dm_monitor();*/ 113 exhalbtc_periodical(&gl_bt_coexist); 114 } 115 116 void rtl_btc_halt_notify(void) 117 { 118 exhalbtc_halt_notify(&gl_bt_coexist); 119 } 120 121 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 } 125 126 bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv) 127 { 128 return gl_bt_coexist.bt_info.limited_dig; 129 } 130 131 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 } 157 158 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 } 166 167 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 } 171 172 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); 177 178 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 } 189 190 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 } 203 204 u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv) 205 { 206 return rtlpriv->btcoexist.btc_info.btcoexist; 207 } 208 209 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"); 219 220 static int __init rtl_btcoexist_module_init(void) 221 { 222 return 0; 223 } 224 225 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