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[2a01:c23:b8cf:1500::e63]) by smtp.googlemail.com with ESMTPSA id a65-20020a509ec7000000b004acc5077026sm3742554edf.79.2023.02.18.07.30.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Feb 2023 07:30:18 -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 v2 4/5] wifi: rtw88: rtw8822b: Implement RTL8822BS (SDIO) efuse parsing Date: Sat, 18 Feb 2023 16:29:43 +0100 Message-Id: <20230218152944.48842-5-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230218152944.48842-1-martin.blumenstingl@googlemail.com> References: <20230218152944.48842-1-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 RTL8822BS chip has only one known member: the mac address is at offset 0x11a. Add a struct rtw8822bs_efuse describing this and use it for copying the mac address when the SDIO bus is used. Signed-off-by: Martin Blumenstingl Reviewed-by: Ping-Ke Shih --- changes from v1 -> v2: - remove extra newline which was added by accident in the USB function - add the new function/union member/case statement last (after USB) - while here, also sort the union members to be consistent with the switch case (PCIe first, USB second, SDIO last) drivers/net/wireless/realtek/rtw88/rtw8822b.c | 9 +++++++++ drivers/net/wireless/realtek/rtw88/rtw8822b.h | 8 +++++++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c index 74dfb89b2c94..531b67787e2e 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c @@ -32,6 +32,12 @@ static void rtw8822bu_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->u.mac_addr); } +static void rtw8822bs_efuse_parsing(struct rtw_efuse *efuse, + struct rtw8822b_efuse *map) +{ + ether_addr_copy(efuse->addr, map->s.mac_addr); +} + static int rtw8822b_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) { struct rtw_efuse *efuse = &rtwdev->efuse; @@ -65,6 +71,9 @@ static int rtw8822b_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) case RTW_HCI_TYPE_USB: rtw8822bu_efuse_parsing(efuse, map); break; + case RTW_HCI_TYPE_SDIO: + rtw8822bs_efuse_parsing(efuse, map); + break; default: /* unsupported now */ return -ENOTSUPP; diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.h b/drivers/net/wireless/realtek/rtw88/rtw8822b.h index 01d3644e0c94..2dc3a6660f06 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8822b.h +++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.h @@ -65,6 +65,11 @@ struct rtw8822be_efuse { u8 res7; }; +struct rtw8822bs_efuse { + u8 res4[0x4a]; /* 0xd0 */ + u8 mac_addr[ETH_ALEN]; /* 0x11a */ +} __packed; + struct rtw8822b_efuse { __le16 rtl_id; u8 res0[0x0e]; @@ -92,8 +97,9 @@ struct rtw8822b_efuse { u8 country_code[2]; u8 res[3]; union { - struct rtw8822bu_efuse u; struct rtw8822be_efuse e; + struct rtw8822bu_efuse u; + struct rtw8822bs_efuse s; }; };