diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c new file mode 100644 index 0000000..cce4a37 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/rtl_btc.c @@ -0,0 +1,556 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2013 Realtek Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * The full GNU General Public License is included in this distribution in the + * file called LICENSE. + * + * Contact Information: + * wlanfae <wlanfae@realtek.com> + * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, + * Hsinchu 300, Taiwan. + * + * Larry Finger <Larry.Finger@lwfinger.net> + * + *****************************************************************************/ +#include "../wifi.h" +#include <linux/vmalloc.h> +#include <linux/module.h> + +#include "rtl_btc.h" +#include "halbt_precomp.h" + +static struct rtl_btc_ops rtl_btc_operation = { + .btc_init_variables = rtl_btc_init_variables, + .btc_init_variables_wifi_only = rtl_btc_init_variables_wifi_only, + .btc_deinit_variables = rtl_btc_deinit_variables, + .btc_init_hal_vars = rtl_btc_init_hal_vars, + .btc_power_on_setting = rtl_btc_power_on_setting, + .btc_init_hw_config = rtl_btc_init_hw_config, + .btc_init_hw_config_wifi_only = rtl_btc_init_hw_config_wifi_only, + .btc_ips_notify = rtl_btc_ips_notify, + .btc_lps_notify = rtl_btc_lps_notify, + .btc_scan_notify = rtl_btc_scan_notify, + .btc_scan_notify_wifi_only = rtl_btc_scan_notify_wifi_only, + .btc_connect_notify = rtl_btc_connect_notify, + .btc_mediastatus_notify = rtl_btc_mediastatus_notify, + .btc_periodical = rtl_btc_periodical, + .btc_halt_notify = rtl_btc_halt_notify, + .btc_btinfo_notify = rtl_btc_btinfo_notify, + .btc_btmpinfo_notify = rtl_btc_btmpinfo_notify, + .btc_is_limited_dig = rtl_btc_is_limited_dig, + .btc_is_disable_edca_turbo = rtl_btc_is_disable_edca_turbo, + .btc_is_bt_disabled = rtl_btc_is_bt_disabled, + .btc_special_packet_notify = rtl_btc_special_packet_notify, + .btc_switch_band_notify = rtl_btc_switch_band_notify, + .btc_switch_band_notify_wifi_only = rtl_btc_switch_band_notify_wifionly, + .btc_record_pwr_mode = rtl_btc_record_pwr_mode, + .btc_get_lps_val = rtl_btc_get_lps_val, + .btc_get_rpwm_val = rtl_btc_get_rpwm_val, + .btc_is_bt_ctrl_lps = rtl_btc_is_bt_ctrl_lps, + .btc_is_bt_lps_on = rtl_btc_is_bt_lps_on, + .btc_get_ampdu_cfg = rtl_btc_get_ampdu_cfg, + .btc_display_bt_coex_info = rtl_btc_display_bt_coex_info, +}; + +void rtl_btc_display_bt_coex_info(struct rtl_priv *rtlpriv, struct seq_file *m) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) { + seq_puts(m, "btc_coexist context is NULL!\n"); + return; + } + + exhalbtc_display_bt_coex_info(btcoexist, m); +} + +void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + u8 safe_len; + + if (!btcoexist) + return; + + safe_len = sizeof(btcoexist->pwr_mode_val); + + if (safe_len > len) + safe_len = len; + + memcpy(btcoexist->pwr_mode_val, buf, safe_len); +} + +u8 rtl_btc_get_lps_val(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return 0; + + return btcoexist->bt_info.lps_val; +} + +u8 rtl_btc_get_rpwm_val(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return 0; + + return btcoexist->bt_info.rpwm_val; +} + +bool rtl_btc_is_bt_ctrl_lps(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return false; + + return btcoexist->bt_info.bt_ctrl_lps; +} + +bool rtl_btc_is_bt_lps_on(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return false; + + return btcoexist->bt_info.bt_lps_on; +} + +void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg, + u8 *ctrl_agg_size, u8 *agg_size) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) { + *reject_agg = false; + *ctrl_agg_size = false; + return; + } + + if (reject_agg) + *reject_agg = btcoexist->bt_info.reject_agg_pkt; + if (ctrl_agg_size) + *ctrl_agg_size = btcoexist->bt_info.bt_ctrl_agg_buf_size; + if (agg_size) + *agg_size = btcoexist->bt_info.agg_buf_size; +} + +static void rtl_btc_alloc_variable(struct rtl_priv *rtlpriv, bool wifi_only) +{ + if (wifi_only) + rtlpriv->btcoexist.wifi_only_context = + kzalloc(sizeof(struct wifi_only_cfg), GFP_KERNEL); + else + rtlpriv->btcoexist.btc_context = + kzalloc(sizeof(struct btc_coexist), GFP_KERNEL); +} + +static void rtl_btc_free_variable(struct rtl_priv *rtlpriv) +{ + kfree(rtlpriv->btcoexist.btc_context); + rtlpriv->btcoexist.btc_context = NULL; + + kfree(rtlpriv->btcoexist.wifi_only_context); + rtlpriv->btcoexist.wifi_only_context = NULL; +} + +void rtl_btc_init_variables(struct rtl_priv *rtlpriv) +{ + rtl_btc_alloc_variable(rtlpriv, false); + + exhalbtc_initlize_variables(rtlpriv); + exhalbtc_bind_bt_coex_withadapter(rtlpriv); +} + +void rtl_btc_init_variables_wifi_only(struct rtl_priv *rtlpriv) +{ + rtl_btc_alloc_variable(rtlpriv, true); + + exhalbtc_initlize_variables_wifi_only(rtlpriv); +} + +void rtl_btc_deinit_variables(struct rtl_priv *rtlpriv) +{ + rtl_btc_free_variable(rtlpriv); +} + +void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv) +{ + /* move ant_num, bt_type and single_ant_path to + * exhalbtc_bind_bt_coex_withadapter() + */ +} + +void rtl_btc_power_on_setting(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_power_on_setting(btcoexist); +} + +void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + u8 bt_exist; + + bt_exist = rtl_get_hwpg_bt_exist(rtlpriv); + RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, + "%s, bt_exist is %d\n", __func__, bt_exist); + + if (!btcoexist) + return; + + exhalbtc_init_hw_config(btcoexist, !bt_exist); + exhalbtc_init_coex_dm(btcoexist); +} + +void rtl_btc_init_hw_config_wifi_only(struct rtl_priv *rtlpriv) +{ + struct wifi_only_cfg *wifionly_cfg = rtl_btc_wifi_only(rtlpriv); + + if (!wifionly_cfg) + return; + + exhalbtc_init_hw_config_wifi_only(wifionly_cfg); +} + +void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_ips_notify(btcoexist, type); + + if (type == ERFON) { + /* In some situation, it doesn't scan after leaving IPS, and + * this will cause btcoex in wrong state. + */ + exhalbtc_scan_notify(btcoexist, 1); + exhalbtc_scan_notify(btcoexist, 0); + } +} + +void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_lps_notify(btcoexist, type); +} + +void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_scan_notify(btcoexist, scantype); +} + +void rtl_btc_scan_notify_wifi_only(struct rtl_priv *rtlpriv, u8 scantype) +{ + struct rtl_hal *rtlhal = rtl_hal(rtlpriv); + struct wifi_only_cfg *wifionly_cfg = rtl_btc_wifi_only(rtlpriv); + u8 is_5g = (rtlhal->current_bandtype == BAND_ON_5G); + + if (!wifionly_cfg) + return; + + exhalbtc_scan_notify_wifi_only(wifionly_cfg, is_5g); +} + +void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_connect_notify(btcoexist, action); +} + +void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv, + enum rt_media_status mstatus) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_mediastatus_notify(btcoexist, mstatus); +} + +void rtl_btc_periodical(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + /*rtl_bt_dm_monitor();*/ + exhalbtc_periodical(btcoexist); +} + +void rtl_btc_halt_notify(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_halt_notify(btcoexist); +} + +void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + exhalbtc_bt_info_notify(btcoexist, tmp_buf, length); +} + +void rtl_btc_btmpinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + u8 extid, seq, len; + u16 bt_real_fw_ver; + u8 bt_fw_ver; + u8 *data; + + if (!btcoexist) + return; + + if ((length < 4) || (!tmp_buf)) + return; + + extid = tmp_buf[0]; + /* not response from BT FW then exit*/ + if (extid != 1) /* C2H_TRIG_BY_BT_FW = 1 */ + return; + + len = tmp_buf[1] >> 4; + seq = tmp_buf[2] >> 4; + data = &tmp_buf[3]; + + /* BT Firmware version response */ + switch (seq) { + case BT_SEQ_GET_BT_VERSION: + bt_real_fw_ver = tmp_buf[3] | (tmp_buf[4] << 8); + bt_fw_ver = tmp_buf[5]; + + btcoexist->bt_info.bt_real_fw_ver = bt_real_fw_ver; + btcoexist->bt_info.bt_fw_ver = bt_fw_ver; + break; + case BT_SEQ_GET_AFH_MAP_L: + btcoexist->bt_info.afh_map_l = le32_to_cpu(*(__le32 *)data); + break; + case BT_SEQ_GET_AFH_MAP_M: + btcoexist->bt_info.afh_map_m = le32_to_cpu(*(__le32 *)data); + break; + case BT_SEQ_GET_AFH_MAP_H: + btcoexist->bt_info.afh_map_h = le16_to_cpu(*(__le16 *)data); + break; + case BT_SEQ_GET_BT_COEX_SUPPORTED_FEATURE: + btcoexist->bt_info.bt_supported_feature = tmp_buf[3] | + (tmp_buf[4] << 8); + break; + case BT_SEQ_GET_BT_COEX_SUPPORTED_VERSION: + btcoexist->bt_info.bt_supported_version = tmp_buf[3] | + (tmp_buf[4] << 8); + break; + case BT_SEQ_GET_BT_ANT_DET_VAL: + btcoexist->bt_info.bt_ant_det_val = tmp_buf[3]; + break; + case BT_SEQ_GET_BT_BLE_SCAN_PARA: + btcoexist->bt_info.bt_ble_scan_para = tmp_buf[3] | + (tmp_buf[4] << 8) | + (tmp_buf[5] << 16) | + (tmp_buf[6] << 24); + break; + case BT_SEQ_GET_BT_BLE_SCAN_TYPE: + btcoexist->bt_info.bt_ble_scan_type = tmp_buf[3]; + break; + case BT_SEQ_GET_BT_DEVICE_INFO: + btcoexist->bt_info.bt_device_info = + le32_to_cpu(*(__le32 *)data); + break; + case BT_OP_GET_BT_FORBIDDEN_SLOT_VAL: + btcoexist->bt_info.bt_forb_slot_val = + le32_to_cpu(*(__le32 *)data); + break; + } + + RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD, + "btmpinfo complete req_num=%d\n", seq); + + complete(&btcoexist->bt_mp_comp); +} + +bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return false; + + return btcoexist->bt_info.limited_dig; +} + +bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv) +{ + bool bt_change_edca = false; + u32 cur_edca_val; + u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b; + u32 edca_hs; + u32 edca_addr = 0x504; + + cur_edca_val = rtl_read_dword(rtlpriv, edca_addr); + if (halbtc_is_wifi_uplink(rtlpriv)) { + if (cur_edca_val != edca_bt_hs_uplink) { + edca_hs = edca_bt_hs_uplink; + bt_change_edca = true; + } + } else { + if (cur_edca_val != edca_bt_hs_downlink) { + edca_hs = edca_bt_hs_downlink; + bt_change_edca = true; + } + } + + if (bt_change_edca) + rtl_write_dword(rtlpriv, edca_addr, edca_hs); + + return true; +} + +bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return true; + + /* It seems 'bt_disabled' is never be initialized or set. */ + if (btcoexist->bt_info.bt_disabled) + return true; + else + return false; +} + +void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + + if (!btcoexist) + return; + + return exhalbtc_special_packet_notify(btcoexist, pkt_type); +} + +void rtl_btc_switch_band_notify(struct rtl_priv *rtlpriv, u8 band_type, + bool scanning) +{ + struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv); + u8 type = BTC_NOT_SWITCH; + + if (!btcoexist) + return; + + switch (band_type) { + case BAND_ON_2_4G: + if (scanning) + type = BTC_SWITCH_TO_24G; + else + type = BTC_SWITCH_TO_24G_NOFORSCAN; + break; + + case BAND_ON_5G: + type = BTC_SWITCH_TO_5G; + break; + } + + if (type != BTC_NOT_SWITCH) + exhalbtc_switch_band_notify(btcoexist, type); +} + +void rtl_btc_switch_band_notify_wifionly(struct rtl_priv *rtlpriv, u8 band_type, + bool scanning) +{ + struct wifi_only_cfg *wifionly_cfg = rtl_btc_wifi_only(rtlpriv); + u8 is_5g = (band_type == BAND_ON_5G); + + if (!wifionly_cfg) + return; + + exhalbtc_switch_band_notify_wifi_only(wifionly_cfg, is_5g); +} + +struct rtl_btc_ops *rtl_btc_get_ops_pointer(void) +{ + return &rtl_btc_operation; +} +EXPORT_SYMBOL(rtl_btc_get_ops_pointer); + + +enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); + enum rt_media_status m_status = RT_MEDIA_DISCONNECT; + + u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; + + if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED) + m_status = RT_MEDIA_CONNECT; + + return m_status; +} + +u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv) +{ + return rtlpriv->btcoexist.btc_info.btcoexist; +} + +MODULE_AUTHOR("Page He <page_he@realsil.com.cn>"); +MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>"); +MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core"); + +static int __init rtl_btcoexist_module_init(void) +{ + return 0; +} + +static void __exit rtl_btcoexist_module_exit(void) +{ + return; +} + +module_init(rtl_btcoexist_module_init); +module_exit(rtl_btcoexist_module_exit); |