[PATCH wireless-next v2 2/4] wifi: rtw88: rtw8723d: Implement RTL8723DS (SDIO) efuse parsing

From: Martin Blumenstingl
Date: Mon May 22 2023 - 16:25:51 EST


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@xxxxxxxxxxx>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
---
Changes since v1:
- added Ping-Ke's Reviewed-by (thank you!)


drivers/net/wireless/realtek/rtw88/rtw8723d.c | 9 +++++++++
drivers/net/wireless/realtek/rtw88/rtw8723d.h | 6 ++++++
2 files changed, 15 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
index 06e7454c9ca6..cadf66f4e854 100644
--- 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 a356318a5c15..3642a2c7f80c 100644
--- 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;
};
};

--
2.40.1