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wifi: rtw88: rtw8822b: Implement RTL8822BS (SDIO) efuse parsing

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The efuse of the SDIO RTL8822BS chip has only one known member: the mac
address is at offset 0x11a. Add a struct rtw8822bs_efuse describing this
and use it for copying the mac address when the SDIO bus is used.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230218152944.48842-5-martin.blumenstingl@googlemail.com
This commit is contained in:
Martin Blumenstingl 2023-02-18 16:29:43 +01:00 committed by Kalle Valo
parent 64e9d56465
commit 9e688784b8
2 changed files with 16 additions and 1 deletions
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9
drivers/net/wireless/realtek/rtw88/rtw8822b.c
View File

@ -32,6 +32,12 @@ static void rtw8822bu_efuse_parsing(struct rtw_efuse *efuse,
ether_addr_copy(efuse->addr, map->u.mac_addr);
}
static void rtw8822bs_efuse_parsing(struct rtw_efuse *efuse,
struct rtw8822b_efuse *map)
{
ether_addr_copy(efuse->addr, map->s.mac_addr);
}
static int rtw8822b_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
{
struct rtw_efuse *efuse = &rtwdev->efuse;
@ -65,6 +71,9 @@ static int rtw8822b_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
case RTW_HCI_TYPE_USB:
rtw8822bu_efuse_parsing(efuse, map);
break;
case RTW_HCI_TYPE_SDIO:
rtw8822bs_efuse_parsing(efuse, map);
break;
default:
/* unsupported now */
return -ENOTSUPP;

8
drivers/net/wireless/realtek/rtw88/rtw8822b.h
View File

@ -65,6 +65,11 @@ struct rtw8822be_efuse {
u8 res7;
};
struct rtw8822bs_efuse {
u8 res4[0x4a]; /* 0xd0 */
u8 mac_addr[ETH_ALEN]; /* 0x11a */
} __packed;
struct rtw8822b_efuse {
__le16 rtl_id;
u8 res0[0x0e];
@ -92,8 +97,9 @@ struct rtw8822b_efuse {
u8 country_code[2];
u8 res[3];
union {
struct rtw8822bu_efuse u;
struct rtw8822be_efuse e;
struct rtw8822bu_efuse u;
struct rtw8822bs_efuse s;
};
};