70 lines
2.2 KiB
Diff
70 lines
2.2 KiB
Diff
From ad0a677bce20c7fa2e8af3fd7f23c0686018202b Mon Sep 17 00:00:00 2001
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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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Date: Sat, 18 Feb 2023 16:29:44 +0100
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Subject: [PATCH 58/85] wifi: rtw88: rtw8822c: Implement RTL8822CS (SDIO) efuse
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parsing
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The efuse of the SDIO RTL8822CS chip has only one known member: the mac
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address is at offset 0x16a. Add a struct rtw8822cs_efuse describing this
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and use it for copying the mac address when the SDIO bus is used.
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Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
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Signed-off-by: Kalle Valo <kvalo@kernel.org>
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Link: https://lore.kernel.org/r/20230218152944.48842-6-martin.blumenstingl@googlemail.com
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---
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drivers/net/wireless/realtek/rtw88/rtw8822c.c | 9 +++++++++
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drivers/net/wireless/realtek/rtw88/rtw8822c.h | 8 +++++++-
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2 files changed, 16 insertions(+), 1 deletion(-)
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--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
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+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
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@@ -35,6 +35,12 @@ static void rtw8822cu_efuse_parsing(stru
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ether_addr_copy(efuse->addr, map->u.mac_addr);
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}
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+static void rtw8822cs_efuse_parsing(struct rtw_efuse *efuse,
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+ struct rtw8822c_efuse *map)
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+{
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+ ether_addr_copy(efuse->addr, map->s.mac_addr);
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+}
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+
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static int rtw8822c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
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{
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struct rtw_efuse *efuse = &rtwdev->efuse;
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@@ -67,6 +73,9 @@ static int rtw8822c_read_efuse(struct rt
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case RTW_HCI_TYPE_USB:
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rtw8822cu_efuse_parsing(efuse, map);
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break;
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+ case RTW_HCI_TYPE_SDIO:
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+ rtw8822cs_efuse_parsing(efuse, map);
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+ break;
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default:
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/* unsupported now */
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return -ENOTSUPP;
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--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h
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+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
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@@ -16,6 +16,11 @@ struct rtw8822cu_efuse {
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u8 res2[0x3d];
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};
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+struct rtw8822cs_efuse {
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+ u8 res0[0x4a]; /* 0x120 */
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+ u8 mac_addr[ETH_ALEN]; /* 0x16a */
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+} __packed;
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+
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struct rtw8822ce_efuse {
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u8 mac_addr[ETH_ALEN]; /* 0x120 */
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u8 vender_id[2];
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@@ -91,8 +96,9 @@ struct rtw8822c_efuse {
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u8 res9;
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u8 res10[0x42];
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union {
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- struct rtw8822cu_efuse u;
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struct rtw8822ce_efuse e;
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+ struct rtw8822cu_efuse u;
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+ struct rtw8822cs_efuse s;
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};
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};
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