From ad0a677bce20c7fa2e8af3fd7f23c0686018202b Mon Sep 17 00:00:00 2001 From: Martin Blumenstingl Date: Sat, 18 Feb 2023 16:29:44 +0100 Subject: [PATCH 58/85] wifi: rtw88: rtw8822c: Implement RTL8822CS (SDIO) efuse parsing The efuse of the SDIO RTL8822CS chip has only one known member: the mac address is at offset 0x16a. Add a struct rtw8822cs_efuse describing this and use it for copying the mac address when the SDIO bus is used. Signed-off-by: Martin Blumenstingl Reviewed-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230218152944.48842-6-martin.blumenstingl@googlemail.com --- drivers/net/wireless/realtek/rtw88/rtw8822c.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8822c.h | 8 +++++++- 2 files changed, 16 insertions(+), 1 deletion(-) --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c @@ -35,6 +35,12 @@ static void rtw8822cu_efuse_parsing(stru ether_addr_copy(efuse->addr, map->u.mac_addr); } +static void rtw8822cs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8822c_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) { struct rtw_efuse *efuse = &rtwdev->efuse; @@ -67,6 +73,9 @@ static int rtw8822c_read_efuse(struct rt case RTW_HCI_TYPE_USB: rtw8822cu_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8822cs_efuse_parsing(efuse, map); + break; default: /* unsupported now */ return -ENOTSUPP; --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h @@ -16,6 +16,11 @@ struct rtw8822cu_efuse { u8 res2[0x3d]; }; +struct rtw8822cs_efuse { + u8 res0[0x4a]; /* 0x120 */ + u8 mac_addr[ETH_ALEN]; /* 0x16a */ +} __packed; + struct rtw8822ce_efuse { u8 mac_addr[ETH_ALEN]; /* 0x120 */ u8 vender_id[2]; @@ -91,8 +96,9 @@ struct rtw8822c_efuse { u8 res9; u8 res10[0x42]; union { - struct rtw8822cu_efuse u; struct rtw8822ce_efuse e; + struct rtw8822cu_efuse u; + struct rtw8822cs_efuse s; }; };