[][MAC80211][misc][preliminary version of Filogic 680 on Filogic 880]

[Description]
Add preliminary version of Filogic 680 on Filogic 880.
Based on mt76 revision: 269df4b01f27 ("wifi: mt76: fix rx checksum offload on mt7615/mt7915/mt7921")

This series adds mt7996, a new mac80211 driver for MediaTek Wi-Fi 7
(802.11be) devices, which currently supports AP, station, mesh, and
monitor modes.

mt7996 first supports Filogic 680, which is a Wi-Fi 7 chipset supporting
concurrent tri-band operation at 6 GHz, 5 GHz, and 2.4 GHz with 4x4
antennas on each band. There are several variants that will be added in
upcoming patches. For more details, please refer to [1].

mt7996 supports only Wi-Fi 6E at the moment, whereas Wi-Fi 7 and its
specific features are work in progress. They will be introduced in
further patches.

[1] https://corp.mediatek.com/news-events/press-releases/mediatek-announces-worlds-first-complete-wi-fi-7-platforms-for-access-points-and-clients

[Release-log]
N/A

Change-Id: I7d3dea2626556751c9b0462e587743fad5287be0
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6709775
diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt7615/eeprom.h b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt7615/eeprom.h
new file mode 100644
index 0000000..a024dee
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/src/mt7615/eeprom.h
@@ -0,0 +1,116 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2019 MediaTek Inc. */
+
+#ifndef __MT7615_EEPROM_H
+#define __MT7615_EEPROM_H
+
+#include "mt7615.h"
+
+
+#define MT7615_EEPROM_DCOC_OFFSET		MT7615_EEPROM_SIZE
+#define MT7615_EEPROM_DCOC_SIZE			256
+#define MT7615_EEPROM_DCOC_COUNT		34
+
+#define MT7615_EEPROM_TXDPD_OFFSET		(MT7615_EEPROM_SIZE + \
+						 MT7615_EEPROM_DCOC_COUNT * \
+						 MT7615_EEPROM_DCOC_SIZE)
+#define MT7615_EEPROM_TXDPD_SIZE		216
+#define MT7615_EEPROM_TXDPD_COUNT		(44 + 3)
+
+#define MT7615_EEPROM_FULL_SIZE			(MT7615_EEPROM_TXDPD_OFFSET + \
+						 MT7615_EEPROM_TXDPD_COUNT * \
+						 MT7615_EEPROM_TXDPD_SIZE)
+
+enum mt7615_eeprom_field {
+	MT_EE_CHIP_ID =				0x000,
+	MT_EE_VERSION =				0x002,
+	MT_EE_MAC_ADDR =			0x004,
+	MT_EE_NIC_CONF_0 =			0x034,
+	MT_EE_NIC_CONF_1 =			0x036,
+	MT_EE_WIFI_CONF =			0x03e,
+	MT_EE_CALDATA_FLASH =			0x052,
+	MT_EE_TX0_2G_TARGET_POWER =		0x058,
+	MT_EE_TX0_5G_G0_TARGET_POWER =		0x070,
+	MT7663_EE_5G_RATE_POWER =		0x089,
+	MT_EE_TX1_5G_G0_TARGET_POWER =		0x098,
+	MT_EE_2G_RATE_POWER =			0x0be,
+	MT_EE_5G_RATE_POWER =			0x0d5,
+	MT7663_EE_TX0_2G_TARGET_POWER =		0x0e3,
+	MT_EE_EXT_PA_2G_TARGET_POWER =		0x0f2,
+	MT_EE_EXT_PA_5G_TARGET_POWER =		0x0f3,
+	MT_EE_TX2_5G_G0_TARGET_POWER =		0x142,
+	MT_EE_TX3_5G_G0_TARGET_POWER =		0x16a,
+	MT7663_EE_HW_CONF1 =			0x1b0,
+	MT7663_EE_TX0_5G_G0_TARGET_POWER =	0x245,
+	MT7663_EE_TX1_5G_G0_TARGET_POWER =	0x2b5,
+
+	MT7615_EE_MAX =				0x3bf,
+	MT7622_EE_MAX =				0x3db,
+	MT7663_EE_MAX =				0x400,
+};
+
+#define MT_EE_RATE_POWER_MASK			GENMASK(5, 0)
+#define MT_EE_RATE_POWER_SIGN			BIT(6)
+#define MT_EE_RATE_POWER_EN			BIT(7)
+
+#define MT_EE_CALDATA_FLASH_TX_DPD		BIT(0)
+#define MT_EE_CALDATA_FLASH_RX_CAL		BIT(1)
+
+#define MT_EE_NIC_CONF_TX_MASK			GENMASK(7, 4)
+#define MT_EE_NIC_CONF_RX_MASK			GENMASK(3, 0)
+
+#define MT_EE_HW_CONF1_TX_MASK			GENMASK(2, 0)
+
+#define MT_EE_NIC_CONF_TSSI_2G			BIT(5)
+#define MT_EE_NIC_CONF_TSSI_5G			BIT(6)
+
+#define MT_EE_NIC_WIFI_CONF_BAND_SEL		GENMASK(5, 4)
+enum mt7615_eeprom_band {
+	MT_EE_DUAL_BAND,
+	MT_EE_5GHZ,
+	MT_EE_2GHZ,
+	MT_EE_DBDC,
+};
+
+enum mt7615_channel_group {
+	MT_CH_5G_JAPAN,
+	MT_CH_5G_UNII_1,
+	MT_CH_5G_UNII_2A,
+	MT_CH_5G_UNII_2B,
+	MT_CH_5G_UNII_2E_1,
+	MT_CH_5G_UNII_2E_2,
+	MT_CH_5G_UNII_2E_3,
+	MT_CH_5G_UNII_3,
+	__MT_CH_MAX
+};
+
+static inline enum mt7615_channel_group
+mt7615_get_channel_group(int channel)
+{
+	if (channel >= 184 && channel <= 196)
+		return MT_CH_5G_JAPAN;
+	if (channel <= 48)
+		return MT_CH_5G_UNII_1;
+	if (channel <= 64)
+		return MT_CH_5G_UNII_2A;
+	if (channel <= 114)
+		return MT_CH_5G_UNII_2E_1;
+	if (channel <= 144)
+		return MT_CH_5G_UNII_2E_2;
+	if (channel <= 161)
+		return MT_CH_5G_UNII_2E_3;
+	return MT_CH_5G_UNII_3;
+}
+
+static inline bool
+mt7615_ext_pa_enabled(struct mt7615_dev *dev, enum nl80211_band band)
+{
+	u8 *eep = dev->mt76.eeprom.data;
+
+	if (band == NL80211_BAND_5GHZ)
+		return !(eep[MT_EE_NIC_CONF_1 + 1] & MT_EE_NIC_CONF_TSSI_5G);
+	else
+		return !(eep[MT_EE_NIC_CONF_1 + 1] & MT_EE_NIC_CONF_TSSI_2G);
+}
+
+#endif