diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c index 8d8eb16a0970..33a1114a5853 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c @@ -129,6 +129,56 @@ static const struct rtl8xxxu_rfregval rtl8723au_radioa_1t_init_table[] = { {0xff, 0xffffffff} }; +static int rtl8723au_identify_chip(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + u32 val32, sys_cfg, vendor; + int ret = 0; + + sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG); + priv->chip_cut = (sys_cfg & SYS_CFG_CHIP_VERSION_MASK) >> + SYS_CFG_CHIP_VERSION_SHIFT; + if (sys_cfg & SYS_CFG_TRP_VAUX_EN) { + dev_info(dev, "Unsupported test chip\n"); + ret = -ENOTSUPP; + goto out; + } + + sprintf(priv->chip_name, "8723AU"); + priv->usb_interrupts = 1; + priv->rtl_chip = RTL8723A; + + priv->rf_paths = 1; + priv->rx_paths = 1; + priv->tx_paths = 1; + + val32 = rtl8xxxu_read32(priv, REG_MULTI_FUNC_CTRL); + if (val32 & MULTI_WIFI_FUNC_EN) + priv->has_wifi = 1; + if (val32 & MULTI_BT_FUNC_EN) + priv->has_bluetooth = 1; + if (val32 & MULTI_GPS_FUNC_EN) + priv->has_gps = 1; + priv->is_multi_func = 1; + + vendor = sys_cfg & SYS_CFG_VENDOR_ID; + rtl8xxxu_identify_vendor_1bit(priv, vendor); + + val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS); + priv->rom_rev = (val32 & GPIO_RF_RL_ID) >> 28; + + rtl8xxxu_config_endpoints_sie(priv); + + /* + * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX + */ + if (!priv->ep_tx_count) + ret = rtl8xxxu_config_endpoints_no_sie(priv); + +out: + return ret; +} + static int rtl8723au_parse_efuse(struct rtl8xxxu_priv *priv) { struct rtl8723au_efuse *efuse = &priv->efuse_wifi.efuse8723; @@ -409,6 +459,7 @@ s8 rtl8723a_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt) } struct rtl8xxxu_fileops rtl8723au_fops = { + .identify_chip = rtl8723au_identify_chip, .parse_efuse = rtl8723au_parse_efuse, .load_firmware = rtl8723au_load_firmware, .power_on = rtl8723au_power_on, |