diff options
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 87 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 2 |
3 files changed, 98 insertions, 6 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c index ada0f040f41a..fa8a92a68bc5 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c @@ -5603,10 +5603,87 @@ static void rtl8xxxu_power_off(struct rtl8xxxu_priv *priv) rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0e); } -static void rtl8xxxu_init_bt(struct rtl8xxxu_priv *priv) +static void rtl8723bu_init_bt(struct rtl8xxxu_priv *priv) { - if (!priv->has_bluetooth) - return; + struct h2c_cmd h2c; + u32 val32; + u8 val8; + + /* + * No indication anywhere as to what 0x0790 does. The 2 antenna + * vendor code preserves bits 6-7 here. + */ + rtl8xxxu_write8(priv, 0x0790, 0x05); + /* + * 0x0778 seems to be related to enabling the number of antennas + * In the vendor driver halbtc8723b2ant_InitHwConfig() sets it + * to 0x03, while halbtc8723b1ant_InitHwConfig() sets it to 0x01 + */ + rtl8xxxu_write8(priv, 0x0778, 0x01); + + val8 = rtl8xxxu_read8(priv, REG_GPIO_MUXCFG); + val8 |= BIT(5); + rtl8xxxu_write8(priv, REG_GPIO_MUXCFG, val8); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780); + + /* + * Set BT grant to low + */ + memset(&h2c, 0, sizeof(struct h2c_cmd)); + h2c.bt_grant.cmd = H2C_8723B_BT_GRANT; + h2c.bt_grant.data = 0; + rtl8723a_h2c_cmd(priv, &h2c, sizeof(h2c.bt_grant)); + + /* + * WLAN action by PTA + */ + rtl8xxxu_write8(priv, REG_WLAN_ACT_CONTROL_8723B, 0x0c); + + /* + * BT select S0/S1 controlled by WiFi + */ + val8 = rtl8xxxu_read8(priv, 0x0067); + val8 |= BIT(5); + rtl8xxxu_write8(priv, 0x0067, val8); + + val32 = rtl8xxxu_read32(priv, REG_PWR_DATA); + val32 |= BIT(11); + rtl8xxxu_write32(priv, REG_PWR_DATA, val32); + + /* + * Bits 6/7 are marked in/out ... but for what? + */ + rtl8xxxu_write8(priv, 0x0974, 0xff); + + val32 = rtl8xxxu_read32(priv, 0x0944); + val32 |= (BIT(0) | BIT(1)); + rtl8xxxu_write32(priv, 0x0944, val32); + + rtl8xxxu_write8(priv, REG_RFE_CTRL_ANTA_SRC, 0x77); + + val32 = rtl8xxxu_read32(priv, REG_LEDCFG0); + val32 &= ~BIT(24); + val32 |= BIT(23); + rtl8xxxu_write32(priv, REG_LEDCFG0, val32); + + /* + * Fix external switch Main->S1, Aux->S0 + */ + val8 = rtl8xxxu_read8(priv, REG_PAD_CTRL1); + val8 &= ~BIT(0); + rtl8xxxu_write8(priv, REG_PAD_CTRL1, val8); + + memset(&h2c, 0, sizeof(struct h2c_cmd)); + h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV; + h2c.ant_sel_rsv.ant_inverse = 1; + h2c.ant_sel_rsv.int_switch_type = 0; + rtl8723a_h2c_cmd(priv, &h2c, sizeof(h2c.ant_sel_rsv)); + + /* + * 0x280, 0x00, 0x200, 0x80 - not clear + */ + rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, 0x280); } static int rtl8xxxu_init_device(struct ieee80211_hw *hw) @@ -5933,7 +6010,8 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw) rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_T_METER, 0x60); /* Init BT hw config. */ - rtl8xxxu_init_bt(priv); + if (priv->fops->init_bt) + priv->fops->init_bt(priv); /* Set NAV_UPPER to 30000us */ val8 = ((30000 + NAV_UPPER_UNIT - 1) / NAV_UPPER_UNIT); @@ -7469,6 +7547,7 @@ static struct rtl8xxxu_fileops rtl8723bu_fops = { .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection, .phy_iq_calibrate = rtl8723bu_phy_iq_calibrate, .config_channel = rtl8723bu_config_channel, + .init_bt = rtl8723bu_init_bt, .writeN_block_size = 1024, .mbox_ext_reg = REG_HMBOX_EXT0_8723B, .mbox_ext_width = 4, diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h index bce52cdc731a..bcbdc78e9de6 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h @@ -696,8 +696,9 @@ enum h2c_cmd_8723b { H2C_8723B_BT_MP_OPER = 0x67, H2C_8723B_BT_CONTROL = 0x68, H2C_8723B_BT_WIFI_CTRL = 0x69, - H2C_8723B_BT_FW_PATCH = 0x6A, - H2C_8723B_BT_WLAN_CALIBRATION = 0x6D, + H2C_8723B_BT_FW_PATCH = 0x6a, + H2C_8723B_BT_WLAN_CALIBRATION = 0x6d, + H2C_8723B_BT_GRANT = 0x6e, /* * WOWLAN Class: 100 @@ -743,6 +744,15 @@ struct h2c_cmd { u8 cmd; u8 data; } __packed bt_wlan_calibration; + struct { + u8 cmd; + u8 ant_inverse; + u8 int_switch_type; + } __packed ant_sel_rsv; + struct { + u8 cmd; + u8 data; + } __packed bt_grant; }; }; @@ -862,6 +872,7 @@ struct rtl8xxxu_fileops { void (*phy_init_antenna_selection) (struct rtl8xxxu_priv *priv); void (*phy_iq_calibrate) (struct rtl8xxxu_priv *priv); void (*config_channel) (struct ieee80211_hw *hw); + void (*init_bt) (struct rtl8xxxu_priv *priv); int writeN_block_size; u16 mbox_ext_reg; char mbox_ext_width; diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h index 147deba749e6..248f64c7f8e3 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h @@ -721,6 +721,8 @@ #define REG_BT_CONTROL_8723BU 0x0764 #define BT_CONTROL_BT_GRANT BIT(12) +#define REG_WLAN_ACT_CONTROL_8723B 0x076e + #define REG_FPGA0_RF_MODE 0x0800 #define FPGA_RF_MODE BIT(0) #define FPGA_RF_MODE_JAPAN BIT(1) |