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path: root/package/kernel/mac80211/patches/653-0003-rtl8xxxu-Add-initial-code-to-parse-8188eu-efuse.patch
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From 6d5b4ef30046d74efe773613767d13d9ab95ed3d Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Mon, 27 Jun 2016 15:19:04 -0400
Subject: [PATCH] rtl8xxxu: Add initial code to parse 8188eu efuse

This obtains the MAC address, but work is still needed to handle TX
power settings.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h   | 40 ++++++++++++++++++++++
 .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 34 ++++++++++++++++++
 2 files changed, 74 insertions(+)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -872,6 +872,45 @@ struct rtl8192eu_efuse {
 	u8 res14[0xc3];
 };
 
+struct rtl8188eu_efuse {
+	__le16 rtl_id;
+	u8 res0[0x0e];
+	u8 cck_tx_power_index_A[3];	/* 0x10 */
+	u8 cck_tx_power_index_B[3];
+	u8 ht40_1s_tx_power_index_A[3];	/* 0x16 */
+	u8 ht40_1s_tx_power_index_B[3];
+	u8 res1[0x9c];
+	u8 channel_plan;		/* 0xb8 */
+	u8 xtal_k;
+	u8 thermal_meter;
+	u8 iqk_lck;
+	u8 res2[5];
+	u8 rf_board_option;
+	u8 rf_feature_option;
+	u8 rf_bt_setting;
+	u8 eeprom_version;
+	u8 eeprom_customer_id;
+	u8 res3[3];
+	u8 rf_antenna_option;		/* 0xc9 */
+	u8 res4[6];
+	u8 vid;				/* 0xd0 */
+	u8 res5[1];
+	u8 pid;				/* 0xd2 */
+	u8 res6[1];
+	u8 usb_optional_function;
+	u8 res7[2];
+	u8 mac_addr[ETH_ALEN];		/* 0xd7 */
+	u8 res8[2];
+	u8 vendor_name[7];
+	u8 res9[2];
+	u8 device_name[0x0b];		/* 0xe8 */
+	u8 res10[2];
+	u8 serial[0x0b];		/* 0xf5 */
+	u8 res11[0x30];
+	u8 unknown[0x0d];		/* 0x130 */
+	u8 res12[0xc3];
+};
+
 struct rtl8xxxu_reg8val {
 	u16 reg;
 	u8 val;
@@ -1290,6 +1329,7 @@ struct rtl8xxxu_priv {
 		struct rtl8723bu_efuse efuse8723bu;
 		struct rtl8192cu_efuse efuse8192;
 		struct rtl8192eu_efuse efuse8192eu;
+		struct rtl8188eu_efuse efuse8188eu;
 	} efuse_wifi;
 	u32 adda_backup[RTL8XXXU_ADDA_REGS];
 	u32 mac_backup[RTL8XXXU_MAC_REGS];
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
@@ -42,6 +42,40 @@
 
 static int rtl8188eu_parse_efuse(struct rtl8xxxu_priv *priv)
 {
+	struct rtl8188eu_efuse *efuse = &priv->efuse_wifi.efuse8188eu;
+	int i;
+
+	if (efuse->rtl_id != cpu_to_le16(0x8129))
+		return -EINVAL;
+
+	ether_addr_copy(priv->mac_addr, efuse->mac_addr);
+
+	memcpy(priv->cck_tx_power_index_A, efuse->cck_tx_power_index_A,
+	       sizeof(efuse->cck_tx_power_index_A));
+	memcpy(priv->cck_tx_power_index_B, efuse->cck_tx_power_index_B,
+	       sizeof(efuse->cck_tx_power_index_B));
+
+	memcpy(priv->ht40_1s_tx_power_index_A,
+	       priv->efuse_wifi.efuse8188eu.ht40_1s_tx_power_index_A,
+	       sizeof(priv->ht40_1s_tx_power_index_A));
+	memcpy(priv->ht40_1s_tx_power_index_B,
+	       priv->efuse_wifi.efuse8188eu.ht40_1s_tx_power_index_B,
+	       sizeof(priv->ht40_1s_tx_power_index_B));
+
+	dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name);
+	dev_info(&priv->udev->dev, "Product: %.11s\n", efuse->device_name);
+	dev_info(&priv->udev->dev, "Serial: %.11s\n", efuse->serial);
+
+	if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) {
+		unsigned char *raw = priv->efuse_wifi.raw;
+
+		dev_info(&priv->udev->dev,
+			 "%s: dumping efuse (0x%02zx bytes):\n",
+			 __func__, sizeof(struct rtl8188eu_efuse));
+		for (i = 0; i < sizeof(struct rtl8188eu_efuse); i += 8)
+			dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]);
+	}
+
 	return 0;
 }