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[2a01:c22:768e:b000::e63]) by smtp.googlemail.com with ESMTPSA id uz2-20020a170907118200b008b134555e9fsm949806ejb.42.2023.02.14.13.14.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 13:14:26 -0800 (PST) From: Martin Blumenstingl To: linux-wireless@vger.kernel.org Cc: tony0620emma@gmail.com, kvalo@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Neo Jou , Jernej Skrabec , pkshih@realtek.com, Martin Blumenstingl Subject: [PATCH v1 3/5] wifi: rtw88: rtw8821c: Implement RTL8821CS (SDIO) efuse parsing Date: Tue, 14 Feb 2023 22:14:19 +0100 Message-Id: <20230214211421.2290102-4-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230214211421.2290102-1-martin.blumenstingl@googlemail.com> References: <20230214211421.2290102-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org 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 --- drivers/net/wireless/realtek/rtw88/rtw8821c.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8821c.h | 6 ++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index 17f800f6efbd..dd01b22f9770 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -26,6 +26,12 @@ static void rtw8821ce_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->e.mac_addr); } +static void rtw8821cs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8821c_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + static void rtw8821cu_efuse_parsing(struct rtw_efuse *efuse, struct rtw8821c_efuse *map) { @@ -74,6 +80,9 @@ static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_PCIE: rtw8821ce_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8821cs_efuse_parsing(efuse, map); + break; case RTW_HCI_TYPE_USB: rtw8821cu_efuse_parsing(efuse, map); break; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.h b/drivers/net/wireless/realtek/rtw88/rtw8821c.h index 1c81260f3a54..1cc77a42be6f 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]; @@ -93,6 +98,7 @@ struct rtw8821c_efuse { u8 res[3]; union { struct rtw8821ce_efuse e; + struct rtw8821cs_efuse s; struct rtw8821cu_efuse u; }; };