[][MAC80211][Change MT76 Makefile and add bersa support]
[Description]
Change MT76 Makefile and add bersa support
[Release-log]
N/A
Change-Id: Iecb0e9968c8e212a6ab92698c84d2e3a56dbd65b
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5809192
diff --git a/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt7615/eeprom.c b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt7615/eeprom.c
new file mode 100644
index 0000000..6dbaaf9
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mt7615/eeprom.c
@@ -0,0 +1,353 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2019 MediaTek Inc.
+ *
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ * Felix Fietkau <nbd@nbd.name>
+ */
+
+#include <linux/of.h>
+#include "mt7615.h"
+#include "eeprom.h"
+
+static int mt7615_efuse_read(struct mt7615_dev *dev, u32 base,
+ u16 addr, u8 *data)
+{
+ u32 val;
+ int i;
+
+ val = mt76_rr(dev, base + MT_EFUSE_CTRL);
+ val &= ~(MT_EFUSE_CTRL_AIN | MT_EFUSE_CTRL_MODE);
+ val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf);
+ val |= MT_EFUSE_CTRL_KICK;
+ mt76_wr(dev, base + MT_EFUSE_CTRL, val);
+
+ if (!mt76_poll(dev, base + MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000))
+ return -ETIMEDOUT;
+
+ udelay(2);
+
+ val = mt76_rr(dev, base + MT_EFUSE_CTRL);
+ if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT ||
+ WARN_ON_ONCE(!(val & MT_EFUSE_CTRL_VALID))) {
+ memset(data, 0x0, 16);
+ return 0;
+ }
+
+ for (i = 0; i < 4; i++) {
+ val = mt76_rr(dev, base + MT_EFUSE_RDATA(i));
+ put_unaligned_le32(val, data + 4 * i);
+ }
+
+ return 0;
+}
+
+static int mt7615_efuse_init(struct mt7615_dev *dev, u32 base)
+{
+ int i, len = MT7615_EEPROM_SIZE;
+ void *buf;
+ u32 val;
+
+ val = mt76_rr(dev, base + MT_EFUSE_BASE_CTRL);
+ if (val & MT_EFUSE_BASE_CTRL_EMPTY)
+ return 0;
+
+ dev->mt76.otp.data = devm_kzalloc(dev->mt76.dev, len, GFP_KERNEL);
+ dev->mt76.otp.size = len;
+ if (!dev->mt76.otp.data)
+ return -ENOMEM;
+
+ buf = dev->mt76.otp.data;
+ for (i = 0; i + 16 <= len; i += 16) {
+ int ret;
+
+ ret = mt7615_efuse_read(dev, base, i, buf + i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mt7615_eeprom_load(struct mt7615_dev *dev, u32 addr)
+{
+ int ret;
+
+ ret = mt76_eeprom_init(&dev->mt76, MT7615_EEPROM_FULL_SIZE);
+ if (ret < 0)
+ return ret;
+
+ return mt7615_efuse_init(dev, addr);
+}
+
+static int mt7615_check_eeprom(struct mt76_dev *dev)
+{
+ u16 val = get_unaligned_le16(dev->eeprom.data);
+
+ switch (val) {
+ case 0x7615:
+ case 0x7622:
+ case 0x7663:
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static void
+mt7615_eeprom_parse_hw_band_cap(struct mt7615_dev *dev)
+{
+ u8 val, *eeprom = dev->mt76.eeprom.data;
+
+ if (is_mt7663(&dev->mt76)) {
+ /* dual band */
+ dev->mphy.cap.has_2ghz = true;
+ dev->mphy.cap.has_5ghz = true;
+ return;
+ }
+
+ if (is_mt7622(&dev->mt76)) {
+ /* 2GHz only */
+ dev->mphy.cap.has_2ghz = true;
+ return;
+ }
+
+ if (is_mt7611(&dev->mt76)) {
+ /* 5GHz only */
+ dev->mphy.cap.has_5ghz = true;
+ return;
+ }
+
+ val = FIELD_GET(MT_EE_NIC_WIFI_CONF_BAND_SEL,
+ eeprom[MT_EE_WIFI_CONF]);
+ switch (val) {
+ case MT_EE_5GHZ:
+ dev->mphy.cap.has_5ghz = true;
+ break;
+ case MT_EE_2GHZ:
+ dev->mphy.cap.has_2ghz = true;
+ break;
+ case MT_EE_DBDC:
+ dev->dbdc_support = true;
+ fallthrough;
+ default:
+ dev->mphy.cap.has_2ghz = true;
+ dev->mphy.cap.has_5ghz = true;
+ break;
+ }
+}
+
+static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 tx_mask, max_nss;
+
+ mt7615_eeprom_parse_hw_band_cap(dev);
+
+ if (is_mt7663(&dev->mt76)) {
+ max_nss = 2;
+ tx_mask = FIELD_GET(MT_EE_HW_CONF1_TX_MASK,
+ eeprom[MT7663_EE_HW_CONF1]);
+ } else {
+ u32 val;
+
+ /* read tx-rx mask from eeprom */
+ val = mt76_rr(dev, MT_TOP_STRAP_STA);
+ max_nss = val & MT_TOP_3NSS ? 3 : 4;
+
+ tx_mask = FIELD_GET(MT_EE_NIC_CONF_TX_MASK,
+ eeprom[MT_EE_NIC_CONF_0]);
+ }
+ if (!tx_mask || tx_mask > max_nss)
+ tx_mask = max_nss;
+
+ dev->chainmask = BIT(tx_mask) - 1;
+ dev->mphy.antenna_mask = dev->chainmask;
+ dev->mphy.chainmask = dev->chainmask;
+}
+
+static int mt7663_eeprom_get_target_power_index(struct mt7615_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx)
+{
+ int index, group;
+
+ if (chain_idx > 1)
+ return -EINVAL;
+
+ if (chan->band == NL80211_BAND_2GHZ)
+ return MT7663_EE_TX0_2G_TARGET_POWER + (chain_idx << 4);
+
+ group = mt7615_get_channel_group(chan->hw_value);
+ if (chain_idx == 1)
+ index = MT7663_EE_TX1_5G_G0_TARGET_POWER;
+ else
+ index = MT7663_EE_TX0_5G_G0_TARGET_POWER;
+
+ return index + group * 3;
+}
+
+int mt7615_eeprom_get_target_power_index(struct mt7615_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx)
+{
+ int index;
+
+ if (is_mt7663(&dev->mt76))
+ return mt7663_eeprom_get_target_power_index(dev, chan,
+ chain_idx);
+
+ if (chain_idx > 3)
+ return -EINVAL;
+
+ /* TSSI disabled */
+ if (mt7615_ext_pa_enabled(dev, chan->band)) {
+ if (chan->band == NL80211_BAND_2GHZ)
+ return MT_EE_EXT_PA_2G_TARGET_POWER;
+ else
+ return MT_EE_EXT_PA_5G_TARGET_POWER;
+ }
+
+ /* TSSI enabled */
+ if (chan->band == NL80211_BAND_2GHZ) {
+ index = MT_EE_TX0_2G_TARGET_POWER + chain_idx * 6;
+ } else {
+ int group = mt7615_get_channel_group(chan->hw_value);
+
+ switch (chain_idx) {
+ case 1:
+ index = MT_EE_TX1_5G_G0_TARGET_POWER;
+ break;
+ case 2:
+ index = MT_EE_TX2_5G_G0_TARGET_POWER;
+ break;
+ case 3:
+ index = MT_EE_TX3_5G_G0_TARGET_POWER;
+ break;
+ case 0:
+ default:
+ index = MT_EE_TX0_5G_G0_TARGET_POWER;
+ break;
+ }
+ index += 5 * group;
+ }
+
+ return index;
+}
+
+int mt7615_eeprom_get_power_delta_index(struct mt7615_dev *dev,
+ enum nl80211_band band)
+{
+ /* assume the first rate has the highest power offset */
+ if (is_mt7663(&dev->mt76)) {
+ if (band == NL80211_BAND_2GHZ)
+ return MT_EE_TX0_5G_G0_TARGET_POWER;
+ else
+ return MT7663_EE_5G_RATE_POWER;
+ }
+
+ if (band == NL80211_BAND_2GHZ)
+ return MT_EE_2G_RATE_POWER;
+ else
+ return MT_EE_5G_RATE_POWER;
+}
+
+static void mt7615_apply_cal_free_data(struct mt7615_dev *dev)
+{
+ static const u16 ical[] = {
+ 0x53, 0x54, 0x55, 0x56, 0x57, 0x5c, 0x5d, 0x62, 0x63, 0x68,
+ 0x69, 0x6e, 0x6f, 0x73, 0x74, 0x78, 0x79, 0x82, 0x83, 0x87,
+ 0x88, 0x8c, 0x8d, 0x91, 0x92, 0x96, 0x97, 0x9b, 0x9c, 0xa0,
+ 0xa1, 0xaa, 0xab, 0xaf, 0xb0, 0xb4, 0xb5, 0xb9, 0xba, 0xf4,
+ 0xf7, 0xff,
+ 0x140, 0x141, 0x145, 0x146, 0x14a, 0x14b, 0x154, 0x155, 0x159,
+ 0x15a, 0x15e, 0x15f, 0x163, 0x164, 0x168, 0x169, 0x16d, 0x16e,
+ 0x172, 0x173, 0x17c, 0x17d, 0x181, 0x182, 0x186, 0x187, 0x18b,
+ 0x18c
+ };
+ static const u16 ical_nocheck[] = {
+ 0x110, 0x111, 0x112, 0x113, 0x114, 0x115, 0x116, 0x117, 0x118,
+ 0x1b5, 0x1b6, 0x1b7, 0x3ac, 0x3ad, 0x3ae, 0x3af, 0x3b0, 0x3b1,
+ 0x3b2
+ };
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 *otp = dev->mt76.otp.data;
+ int i;
+
+ if (!otp)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ical); i++)
+ if (!otp[ical[i]])
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ical); i++)
+ eeprom[ical[i]] = otp[ical[i]];
+
+ for (i = 0; i < ARRAY_SIZE(ical_nocheck); i++)
+ eeprom[ical_nocheck[i]] = otp[ical_nocheck[i]];
+}
+
+static void mt7622_apply_cal_free_data(struct mt7615_dev *dev)
+{
+ static const u16 ical[] = {
+ 0x53, 0x54, 0x55, 0x56, 0xf4, 0xf7, 0x144, 0x156, 0x15b
+ };
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 *otp = dev->mt76.otp.data;
+ int i;
+
+ if (!otp)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(ical); i++) {
+ if (!otp[ical[i]])
+ continue;
+
+ eeprom[ical[i]] = otp[ical[i]];
+ }
+}
+
+static void mt7615_cal_free_data(struct mt7615_dev *dev)
+{
+ struct device_node *np = dev->mt76.dev->of_node;
+
+ if (!np || !of_property_read_bool(np, "mediatek,eeprom-merge-otp"))
+ return;
+
+ switch (mt76_chip(&dev->mt76)) {
+ case 0x7622:
+ mt7622_apply_cal_free_data(dev);
+ break;
+ case 0x7615:
+ case 0x7611:
+ mt7615_apply_cal_free_data(dev);
+ break;
+ }
+}
+
+int mt7615_eeprom_init(struct mt7615_dev *dev, u32 addr)
+{
+ int ret;
+
+ ret = mt7615_eeprom_load(dev, addr);
+ if (ret < 0)
+ return ret;
+
+ ret = mt7615_check_eeprom(&dev->mt76);
+ if (ret && dev->mt76.otp.data) {
+ memcpy(dev->mt76.eeprom.data, dev->mt76.otp.data,
+ MT7615_EEPROM_SIZE);
+ } else {
+ dev->flash_eeprom = true;
+ mt7615_cal_free_data(dev);
+ }
+
+ mt7615_eeprom_parse_hw_cap(dev);
+ memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+ ETH_ALEN);
+
+ mt76_eeprom_override(&dev->mphy);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt7615_eeprom_init);