67 lines
2.0 KiB
Diff
67 lines
2.0 KiB
Diff
From 64e9d564653566812dfade36d20f1794407e6ca1 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 16:29:42 +0100
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Subject: [PATCH 56/85] wifi: rtw88: rtw8821c: Implement RTL8821CS (SDIO) efuse
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parsing
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The efuse of the SDIO RTL8821CS chip has only one known member: the mac
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address is at offset 0x11a. Add a struct rtw8821cs_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/20230218152944.48842-4-martin.blumenstingl@googlemail.com
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---
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drivers/net/wireless/realtek/rtw88/rtw8821c.c | 9 +++++++++
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drivers/net/wireless/realtek/rtw88/rtw8821c.h | 6 ++++++
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2 files changed, 15 insertions(+)
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--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
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+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
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@@ -32,6 +32,12 @@ static void rtw8821cu_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 rtw8821cs_efuse_parsing(struct rtw_efuse *efuse,
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+ struct rtw8821c_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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enum rtw8821ce_rf_set {
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SWITCH_TO_BTG,
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SWITCH_TO_WLG,
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@@ -77,6 +83,9 @@ static int rtw8821c_read_efuse(struct rt
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case RTW_HCI_TYPE_USB:
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rtw8821cu_efuse_parsing(efuse, map);
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break;
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+ case RTW_HCI_TYPE_SDIO:
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+ rtw8821cs_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/rtw8821c.h
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+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.h
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@@ -65,6 +65,11 @@ struct rtw8821ce_efuse {
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u8 res7;
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};
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+struct rtw8821cs_efuse {
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+ u8 res4[0x4a]; /* 0xd0 */
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+ u8 mac_addr[ETH_ALEN]; /* 0x11a */
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+} __packed;
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+
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struct rtw8821c_efuse {
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__le16 rtl_id;
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u8 res0[0x0e];
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@@ -94,6 +99,7 @@ struct rtw8821c_efuse {
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union {
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struct rtw8821ce_efuse e;
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struct rtw8821cu_efuse u;
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+ struct rtw8821cs_efuse s;
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};
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};
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