[RFC PATCH v1 08/19] rtw88: rtw8822c: Add support for parsing the RTL8822CS (SDIO) efuse
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: 2022-12-27 23:31:38
Also in:
linux-mmc, linux-wireless, lkml
Subsystem:
realtek wireless driver (rtw88), the rest · Maintainers:
Ping-Ke Shih, Linus Torvalds
The efuse of the SDIO RTL8822CS chip has only one known member: the mac address is at offset 0x16a. Add a struct rtw8822cs_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> --- drivers/net/wireless/realtek/rtw88/rtw8822c.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8822c.h | 6 ++++++ 2 files changed, 15 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index 964e27887fe2..8ec779c7ab84 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c@@ -29,6 +29,12 @@ static void rtw8822ce_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->e.mac_addr); } +static void rtw8822cs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8822c_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + static void rtw8822cu_efuse_parsing(struct rtw_efuse *efuse, struct rtw8822c_efuse *map) {
@@ -64,6 +70,9 @@ static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_PCIE: rtw8822ce_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8822cs_efuse_parsing(efuse, map); + break; case RTW_HCI_TYPE_USB: rtw8822cu_efuse_parsing(efuse, map); break;
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
index 479d5d769c52..eec2e3074087 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h@@ -16,6 +16,11 @@ struct rtw8822cu_efuse { u8 res2[0x3d]; }; +struct rtw8822cs_efuse { + u8 res0[0x4a]; /* 0x120 */ + u8 mac_addr[ETH_ALEN]; /* 0x16a */ +}; + struct rtw8822ce_efuse { u8 mac_addr[ETH_ALEN]; /* 0x120 */ u8 vender_id[2];
@@ -92,6 +97,7 @@ struct rtw8822c_efuse { u8 res10[0x42]; union { struct rtw8822cu_efuse u; + struct rtw8822cs_efuse s; struct rtw8822ce_efuse e; }; };
--
2.39.0