diff mbox series

[2/8] wifi: rtw89: efuse: move recognize firmware MSS info v1 to common

Message ID 20241030022135.11688-3-pkshih@realtek.com (mailing list archive)
State Accepted
Delegated to: Ping-Ke Shih
Headers show
Series wifi: rtw89: support firmware secure boot for WiFi 6 chips | expand

Commit Message

Ping-Ke Shih Oct. 30, 2024, 2:21 a.m. UTC 
The WiFi 6 chip use the same firmware MSS information v1 read from efuse,
so move this logic to common.

No change logic at all.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/efuse.c    | 59 +++++++++++++++++++
 drivers/net/wireless/realtek/rtw89/efuse.h    |  1 +
 drivers/net/wireless/realtek/rtw89/efuse_be.c | 51 +---------------
 3 files changed, 62 insertions(+), 49 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/efuse.c b/drivers/net/wireless/realtek/rtw89/efuse.c
index 532623130c41..a02b04eecd05 100644
--- a/drivers/net/wireless/realtek/rtw89/efuse.c
+++ b/drivers/net/wireless/realtek/rtw89/efuse.c
@@ -11,11 +11,24 @@ 
 #define EF_CV_MASK GENMASK(7, 4)
 #define EF_CV_INV 15
 
+#define EFUSE_B1_MSSDEVTYPE_MASK GENMASK(3, 0)
+#define EFUSE_B1_MSSCUSTIDX0_MASK GENMASK(7, 4)
+#define EFUSE_B2_MSSKEYNUM_MASK GENMASK(3, 0)
+#define EFUSE_B2_MSSCUSTIDX1_MASK BIT(6)
+
 enum rtw89_efuse_bank {
 	RTW89_EFUSE_BANK_WIFI,
 	RTW89_EFUSE_BANK_BT,
 };
 
+enum rtw89_efuse_mss_dev_type {
+	MSS_DEV_TYPE_FWSEC_DEF = 0xF,
+	MSS_DEV_TYPE_FWSEC_WINLIN_INBOX = 0xC,
+	MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_NON_COB = 0xA,
+	MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_COB = 0x9,
+	MSS_DEV_TYPE_FWSEC_NONWIN_INBOX = 0x6,
+};
+
 static int rtw89_switch_efuse_bank(struct rtw89_dev *rtwdev,
 				   enum rtw89_efuse_bank bank)
 {
@@ -355,6 +368,52 @@  int rtw89_read_efuse_ver(struct rtw89_dev *rtwdev, u8 *ecv)
 }
 EXPORT_SYMBOL(rtw89_read_efuse_ver);
 
+static u8 get_mss_dev_type_idx(struct rtw89_dev *rtwdev, u8 mss_dev_type)
+{
+	switch (mss_dev_type) {
+	case MSS_DEV_TYPE_FWSEC_WINLIN_INBOX:
+		mss_dev_type = 0x0;
+		break;
+	case MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_NON_COB:
+		mss_dev_type = 0x1;
+		break;
+	case MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_COB:
+		mss_dev_type = 0x2;
+		break;
+	case MSS_DEV_TYPE_FWSEC_NONWIN_INBOX:
+		mss_dev_type = 0x3;
+		break;
+	case MSS_DEV_TYPE_FWSEC_DEF:
+		mss_dev_type = RTW89_FW_MSS_DEV_TYPE_FWSEC_DEF;
+		break;
+	default:
+		rtw89_warn(rtwdev, "unknown mss_dev_type %d", mss_dev_type);
+		mss_dev_type = RTW89_FW_MSS_DEV_TYPE_FWSEC_INV;
+		break;
+	}
+
+	return mss_dev_type;
+}
+
+int rtw89_efuse_recognize_mss_info_v1(struct rtw89_dev *rtwdev, u8 b1, u8 b2)
+{
+	struct rtw89_fw_secure *sec = &rtwdev->fw.sec;
+	u8 mss_dev_type;
+
+	mss_dev_type = u8_get_bits(b1, EFUSE_B1_MSSDEVTYPE_MASK);
+	sec->mss_cust_idx = 0x1F - (u8_get_bits(b1, EFUSE_B1_MSSCUSTIDX0_MASK) |
+				    u8_get_bits(b2, EFUSE_B2_MSSCUSTIDX1_MASK) << 4);
+	sec->mss_key_num = 0xF - u8_get_bits(b2, EFUSE_B2_MSSKEYNUM_MASK);
+
+	sec->mss_dev_type = get_mss_dev_type_idx(rtwdev, mss_dev_type);
+	if (sec->mss_dev_type == RTW89_FW_MSS_DEV_TYPE_FWSEC_INV) {
+		rtw89_warn(rtwdev, "invalid mss_dev_type %d\n", mss_dev_type);
+		return -ENOENT;
+	}
+
+	return 0;
+}
+
 int rtw89_efuse_read_fw_secure_ax(struct rtw89_dev *rtwdev)
 {
 	return 0;
diff --git a/drivers/net/wireless/realtek/rtw89/efuse.h b/drivers/net/wireless/realtek/rtw89/efuse.h
index a2f6f36e697f..a96fc1044791 100644
--- a/drivers/net/wireless/realtek/rtw89/efuse.h
+++ b/drivers/net/wireless/realtek/rtw89/efuse.h
@@ -23,6 +23,7 @@  int rtw89_parse_efuse_map_be(struct rtw89_dev *rtwdev);
 int rtw89_parse_phycap_map_be(struct rtw89_dev *rtwdev);
 int rtw89_cnv_efuse_state_be(struct rtw89_dev *rtwdev, bool idle);
 int rtw89_read_efuse_ver(struct rtw89_dev *rtwdev, u8 *efv);
+int rtw89_efuse_recognize_mss_info_v1(struct rtw89_dev *rtwdev, u8 b1, u8 b2);
 int rtw89_efuse_read_fw_secure_ax(struct rtw89_dev *rtwdev);
 int rtw89_efuse_read_fw_secure_be(struct rtw89_dev *rtwdev);
 
diff --git a/drivers/net/wireless/realtek/rtw89/efuse_be.c b/drivers/net/wireless/realtek/rtw89/efuse_be.c
index 756aaf886af9..64768923b0f0 100644
--- a/drivers/net/wireless/realtek/rtw89/efuse_be.c
+++ b/drivers/net/wireless/realtek/rtw89/efuse_be.c
@@ -8,11 +8,7 @@ 
 #include "reg.h"
 
 #define EFUSE_EXTERNALPN_ADDR_BE 0x1580
-#define EFUSE_B1_MSSDEVTYPE_MASK GENMASK(3, 0)
-#define EFUSE_B1_MSSCUSTIDX0_MASK GENMASK(7, 4)
 #define EFUSE_SERIALNUM_ADDR_BE 0x1581
-#define EFUSE_B2_MSSKEYNUM_MASK GENMASK(3, 0)
-#define EFUSE_B2_MSSCUSTIDX1_MASK BIT(6)
 #define EFUSE_SB_CRYP_SEL_ADDR 0x1582
 #define EFUSE_SB_CRYP_SEL_SIZE 2
 #define EFUSE_SB_CRYP_SEL_DEFAULT 0xFFFF
@@ -20,14 +16,6 @@ 
 #define EFUSE_SEC_BE_START 0x1580
 #define EFUSE_SEC_BE_SIZE 4
 
-enum rtw89_efuse_mss_dev_type {
-	MSS_DEV_TYPE_FWSEC_DEF = 0xF,
-	MSS_DEV_TYPE_FWSEC_WINLIN_INBOX = 0xC,
-	MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_NON_COB = 0xA,
-	MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_COB = 0x9,
-	MSS_DEV_TYPE_FWSEC_NONWIN_INBOX = 0x6,
-};
-
 static const u32 sb_sel_mgn[SB_SEL_MGN_MAX_SIZE] = {
 	0x8000100, 0xC000180
 };
@@ -477,33 +465,6 @@  static u16 get_sb_cryp_sel_idx(u16 sb_cryp_sel)
 	return sb_cryp_sel_v + low_bit;
 }
 
-static u8 get_mss_dev_type_idx(struct rtw89_dev *rtwdev, u8 mss_dev_type)
-{
-	switch (mss_dev_type) {
-	case MSS_DEV_TYPE_FWSEC_WINLIN_INBOX:
-		mss_dev_type = 0x0;
-		break;
-	case MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_NON_COB:
-		mss_dev_type = 0x1;
-		break;
-	case MSS_DEV_TYPE_FWSEC_NONLIN_INBOX_COB:
-		mss_dev_type = 0x2;
-		break;
-	case MSS_DEV_TYPE_FWSEC_NONWIN_INBOX:
-		mss_dev_type = 0x3;
-		break;
-	case MSS_DEV_TYPE_FWSEC_DEF:
-		mss_dev_type = RTW89_FW_MSS_DEV_TYPE_FWSEC_DEF;
-		break;
-	default:
-		rtw89_warn(rtwdev, "unknown mss_dev_type %d", mss_dev_type);
-		mss_dev_type = RTW89_FW_MSS_DEV_TYPE_FWSEC_INV;
-		break;
-	}
-
-	return mss_dev_type;
-}
-
 int rtw89_efuse_read_fw_secure_be(struct rtw89_dev *rtwdev)
 {
 	struct rtw89_fw_secure *sec = &rtwdev->fw.sec;
@@ -511,7 +472,6 @@  int rtw89_efuse_read_fw_secure_be(struct rtw89_dev *rtwdev)
 	u32 sec_size = EFUSE_SEC_BE_SIZE;
 	u16 sb_cryp_sel, sb_cryp_sel_idx;
 	u8 sec_map[EFUSE_SEC_BE_SIZE];
-	u8 mss_dev_type;
 	u8 b1, b2;
 	int ret;
 
@@ -538,16 +498,9 @@  int rtw89_efuse_read_fw_secure_be(struct rtw89_dev *rtwdev)
 	b1 = sec_map[EFUSE_EXTERNALPN_ADDR_BE - sec_addr];
 	b2 = sec_map[EFUSE_SERIALNUM_ADDR_BE - sec_addr];
 
-	mss_dev_type = u8_get_bits(b1, EFUSE_B1_MSSDEVTYPE_MASK);
-	sec->mss_cust_idx = 0x1F - (u8_get_bits(b1, EFUSE_B1_MSSCUSTIDX0_MASK) |
-				    u8_get_bits(b2, EFUSE_B2_MSSCUSTIDX1_MASK) << 4);
-	sec->mss_key_num = 0xF - u8_get_bits(b2, EFUSE_B2_MSSKEYNUM_MASK);
-
-	sec->mss_dev_type = get_mss_dev_type_idx(rtwdev, mss_dev_type);
-	if (sec->mss_dev_type == RTW89_FW_MSS_DEV_TYPE_FWSEC_INV) {
-		rtw89_warn(rtwdev, "invalid mss_dev_type %d\n", mss_dev_type);
+	ret = rtw89_efuse_recognize_mss_info_v1(rtwdev, b1, b2);
+	if (ret)
 		goto out;
-	}
 
 	sec->secure_boot = true;