Commit 9e688784 authored Feb 18, 2023 by Martin Blumenstingl Committed by Kalle Valo Feb 22, 2023

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

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

parent 64e9d564

drivers/net/wireless/realtek/rtw88/rtw8822b.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -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;

drivers/net/wireless/realtek/rtw88/rtw8822b.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -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;
		};
		};