Commit 64e9d564 authored Feb 18, 2023 by Martin Blumenstingl Committed by Kalle Valo Feb 22, 2023

wifi: rtw88: rtw8821c: Implement RTL8821CS (SDIO) efuse parsing

The efuse of the SDIO RTL8821CS chip has only one known member: the mac
address is at offset 0x11a. Add a struct rtw8821cs_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/20230218152944.48842-4-martin.blumenstingl@googlemail.com

parent 8599ea40

drivers/net/wireless/realtek/rtw88/rtw8821c.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,12 @@ static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse,
		ether_addr_copy(efuse->addr, map->u.mac_addr);
		}

		static void rtw8821cs_efuse_parsing(struct rtw_efuse *efuse,
		struct rtw8821c_efuse *map)
		{
		ether_addr_copy(efuse->addr, map->s.mac_addr);
		}

		enum rtw8821ce_rf_set {
		SWITCH_TO_BTG,
		SWITCH_TO_WLG,
		@@ -77,6 +83,9 @@ static int rtw8821c_read_efuse(struct rtw_dev rtwdev, u8 log_map)
		case RTW_HCI_TYPE_USB:
		rtw8821cu_efuse_parsing(efuse, map);
		break;
		case RTW_HCI_TYPE_SDIO:
		rtw8821cs_efuse_parsing(efuse, map);
		break;
		default:
		/* unsupported now */
		return -ENOTSUPP;

drivers/net/wireless/realtek/rtw88/rtw8821c.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,11 @@ struct rtw8821ce_efuse {
		u8 res7;
		};

		struct rtw8821cs_efuse {
		u8 res4[0x4a]; /* 0xd0 */
		u8 mac_addr[ETH_ALEN]; /* 0x11a */
		} __packed;

		struct rtw8821c_efuse {
		__le16 rtl_id;
		u8 res0[0x0e];
		@@ -94,6 +99,7 @@ struct rtw8821c_efuse {
		union {
		struct rtw8821ce_efuse e;
		struct rtw8821cu_efuse u;
		struct rtw8821cs_efuse s;
		};
		};