wifi: rtw88: rtw8723d: Implement RTL8723DS (SDIO) efuse parsing

The efuse of the SDIO RTL8723DS chip has only one known member: the mac
address is at offset 0x11a. Add a struct rtw8723ds_efuse describing this
and use it for copying the mac address when the SDIO bus is used.

Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230522202425.1827005-3-martin.blumenstingl@googlemail.com

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
index 06e7454c9ca69305086edecc4ddfdf014fb30446..cadf66f4e85458ba303dba0bb30f4c5ec97f2704 100644 (file)
--- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
@@ -216,6 +216,12 @@ static void rtw8723du_efuse_parsing(struct rtw_efuse *efuse,
        ether_addr_copy(efuse->addr, map->u.mac_addr);
 }
 
+static void rtw8723ds_efuse_parsing(struct rtw_efuse *efuse,
+                                   struct rtw8723d_efuse *map)
+{
+       ether_addr_copy(efuse->addr, map->s.mac_addr);
+}
+
 static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
 {
        struct rtw_efuse *efuse = &rtwdev->efuse;
@@ -248,6 +254,9 @@ static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
        case RTW_HCI_TYPE_USB:
                rtw8723du_efuse_parsing(efuse, map);
                break;
+       case RTW_HCI_TYPE_SDIO:
+               rtw8723ds_efuse_parsing(efuse, map);
+               break;
        default:
                /* unsupported now */
                return -ENOTSUPP;

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
index a356318a5c15b225ed05e5b2b3535ab167666281..3642a2c7f80c984dc2111880b7ac3729cdaaea5a 100644 (file)
--- a/drivers/net/wireless/realtek/rtw88/rtw8723d.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
@@ -49,6 +49,11 @@ struct rtw8723du_efuse {
        u8 mac_addr[ETH_ALEN];          /* 0x107 */
 };
 
+struct rtw8723ds_efuse {
+       u8 res4[0x4a];                  /* 0xd0 */
+       u8 mac_addr[ETH_ALEN];          /* 0x11a */
+};
+
 struct rtw8723d_efuse {
        __le16 rtl_id;
        u8 rsvd[2];
@@ -80,6 +85,7 @@ struct rtw8723d_efuse {
        union {
                struct rtw8723de_efuse e;
                struct rtw8723du_efuse u;
+               struct rtw8723ds_efuse s;
        };
 };