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authorMartin Blumenstingl <martin.blumenstingl@googlemail.com>2023-02-18 18:29:42 +0300
committerKalle Valo <kvalo@kernel.org>2023-02-22 15:31:37 +0300
commit64e9d564653566812dfade36d20f1794407e6ca1 (patch)
tree97265046afbd2bf51fe757e859d5c324e261a13b /drivers
parent8599ea40582d49afe437badde76e31bd7429c607 (diff)
downloadlinux-64e9d564653566812dfade36d20f1794407e6ca1.tar.xz
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
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/realtek/rtw88/rtw8821c.c9
-rw-r--r--drivers/net/wireless/realtek/rtw88/rtw8821c.h6
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index 17f800f6efbd..7ae0541d7b99 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -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;
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
index 1c81260f3a54..fcff31688c45 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
@@ -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;
};
};