[][MAC80211][mt76][fix typo name bersa to besra]
[Description]
Fix chip generation typo name bersa to besra.
[Release-log]
N/A
Change-Id: Ie0b3de50e3c7a9f379b3f48cbde448a59d7d51b1
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6152828
diff --git a/autobuild_mac80211_release/mt7986_besra_mac80211/package/kernel/mt76/src/besra/eeprom.c b/autobuild_mac80211_release/mt7986_besra_mac80211/package/kernel/mt76/src/besra/eeprom.c
new file mode 100644
index 0000000..0c172db
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_besra_mac80211/package/kernel/mt76/src/besra/eeprom.c
@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/firmware.h>
+#include "besra.h"
+#include "eeprom.h"
+
+static int besra_eeprom_load_precal(struct besra_dev *dev)
+{
+ struct mt76_dev *mdev = &dev->mt76;
+ u8 *eeprom = mdev->eeprom.data;
+ u32 val = eeprom[MT_EE_DO_PRE_CAL];
+
+ if (!dev->flash_mode)
+ return 0;
+
+ if (val != (MT_EE_WIFI_CAL_DPD | MT_EE_WIFI_CAL_GROUP))
+ return 0;
+
+ val = MT_EE_CAL_GROUP_SIZE + MT_EE_CAL_DPD_SIZE;
+ dev->cal = devm_kzalloc(mdev->dev, val, GFP_KERNEL);
+ if (!dev->cal)
+ return -ENOMEM;
+
+ return mt76_get_of_eeprom(mdev, dev->cal, MT_EE_PRECAL_V2, val);
+}
+
+static int besra_check_eeprom(struct besra_dev *dev)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u16 val = get_unaligned_le16(eeprom);
+
+ switch (val) {
+ case 0x7915:
+ case 0x7916:
+ case 0x7986:
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static char *besra_eeprom_name(struct besra_dev *dev)
+{
+ return MT7902_EEPROM_DEFAULT;
+}
+
+static int
+besra_eeprom_load_default(struct besra_dev *dev)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ const struct firmware *fw = NULL;
+ int ret;
+
+ ret = request_firmware(&fw, besra_eeprom_name(dev), dev->mt76.dev);
+ if (ret)
+ return ret;
+
+ if (!fw || !fw->data) {
+ dev_err(dev->mt76.dev, "Invalid default bin\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ memcpy(eeprom, fw->data, BESRA_EEPROM_SIZE);
+ dev->flash_mode = true;
+
+out:
+ release_firmware(fw);
+
+ return ret;
+}
+
+static int besra_eeprom_load(struct besra_dev *dev)
+{
+ int ret;
+
+ ret = mt76_eeprom_init(&dev->mt76, BESRA_EEPROM_SIZE);
+ if (ret < 0)
+ return ret;
+
+ if (ret) {
+ dev->flash_mode = true;
+ } else {
+ u8 free_block_num;
+ u32 block_num, i;
+
+ besra_mcu_get_eeprom_free_block(dev, &free_block_num);
+ /* efuse info not enough */
+ if (free_block_num >= 29)
+ return -EINVAL;
+
+ /* read eeprom data from efuse */
+ block_num = DIV_ROUND_UP(BESRA_EEPROM_SIZE,
+ BESRA_EEPROM_BLOCK_SIZE);
+ for (i = 0; i < block_num; i++)
+ besra_mcu_get_eeprom(dev,
+ i * BESRA_EEPROM_BLOCK_SIZE);
+ }
+
+ return besra_check_eeprom(dev);
+}
+
+static void besra_eeprom_parse_band_config(struct besra_phy *phy)
+{
+ struct besra_dev *dev = phy->dev;
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u32 val;
+
+ /* TODO:
+ * since default bin hasn't properly configured yet,
+ * currently hardcode band cap for bellwether */
+
+ /* val = eeprom[MT_EE_WIFI_CONF + phy->band_idx]; */
+ /* val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); */
+
+ /* switch (val) { */
+ /* case MT_EE_V2_BAND_SEL_5GHZ: */
+ /* phy->mt76->cap.has_5ghz = true; */
+ /* return; */
+ /* case MT_EE_V2_BAND_SEL_6GHZ: */
+ /* phy->mt76->cap.has_6ghz = true; */
+ /* return; */
+ /* case MT_EE_V2_BAND_SEL_5GHZ_6GHZ: */
+ /* phy->mt76->cap.has_5ghz = true; */
+ /* phy->mt76->cap.has_6ghz = true; */
+ /* return; */
+ /* default */
+ /* phy->mt76->cap.has_2ghz = true; */
+ /* return; */
+ /* } */
+
+ if (phy->band_idx == 2)
+ phy->mt76->cap.has_2ghz = true;
+ else {
+ phy->mt76->cap.has_5ghz = true;
+ /* phy->mt76->cap.has_6ghz = true; */
+ }
+}
+
+void besra_eeprom_parse_hw_cap(struct besra_dev *dev,
+ struct besra_phy *phy)
+{
+ u8 nss, nss_band, nss_band_max, *eeprom = dev->mt76.eeprom.data;
+ struct mt76_phy *mphy = phy->mt76;
+ u8 phy_idx = besra_get_phy_id(phy);
+
+ besra_eeprom_parse_band_config(phy);
+
+ /* read tx/rx mask from eeprom */
+ nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH,
+ eeprom[MT_EE_WIFI_CONF + phy->band_idx]);
+
+ if (!nss || nss > 4)
+ nss = 4;
+
+ /* read tx/rx stream */
+ nss_band = nss;
+
+ if (dev->dbdc_support) {
+ nss_band = FIELD_GET(MT_EE_WIFI_CONF_STREAM_NUM,
+ eeprom[MT_EE_WIFI_CONF + 2 + phy->band_idx]);
+
+ nss_band_max = MT_EE_NSS_MAX_DBDC_MA7986;
+ } else {
+ nss_band_max = MT_EE_NSS_MAX_MA7986;
+ }
+
+ if (!nss_band || nss_band > nss_band_max)
+ nss_band = nss_band_max;
+
+ if (nss_band > nss) {
+ dev_warn(dev->mt76.dev,
+ "nss mismatch, nss(%d) nss_band(%d) band(%d) phy_id(%d)\n",
+ nss, nss_band, phy->band_idx, phy_idx);
+ nss = nss_band;
+ }
+
+ mphy->chainmask = BIT(nss) - 1;
+ switch (phy_idx) {
+ case MT_MAIN_PHY:
+ dev->chain_shift_ext = hweight8(mphy->chainmask);
+ dev->chain_shift_tri = dev->chain_shift_ext;
+ break;
+ case MT_EXT_PHY:
+ mphy->chainmask <<= dev->chain_shift_ext;
+ dev->chain_shift_tri += hweight8(mphy->chainmask);
+ break;
+ case MT_TRI_PHY:
+ mphy->chainmask <<= dev->chain_shift_tri;
+ break;
+ default:
+ break;
+ }
+ mphy->antenna_mask = BIT(nss_band) - 1;
+ dev->chainmask |= mphy->chainmask;
+
+ dev_err(dev->mt76.dev,
+ "nss info, nss(%d) nss_band(%d) band(%d) phy_id(%d) chainmask(%08x) antenna_mask(%02x) dev chainmask(%08x)\n",
+ nss, nss_band, phy->band_idx, phy_idx,
+ mphy->chainmask, mphy->antenna_mask, dev->chainmask);
+}
+
+int besra_eeprom_init(struct besra_dev *dev)
+{
+ int ret;
+
+ ret = besra_eeprom_load(dev);
+ if (ret < 0) {
+ if (ret != -EINVAL)
+ return ret;
+
+ dev_warn(dev->mt76.dev, "eeprom load fail, use default bin\n");
+ ret = besra_eeprom_load_default(dev);
+ if (ret)
+ return ret;
+ }
+
+ ret = besra_eeprom_load_precal(dev);
+ if (ret)
+ return ret;
+
+ besra_eeprom_parse_hw_cap(dev, &dev->phy);
+ memcpy(dev->mphy.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+ ETH_ALEN);
+
+ mt76_eeprom_override(&dev->mphy);
+
+ return 0;
+}
+
+int besra_eeprom_get_target_power(struct besra_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ int index, target_power;
+ bool tssi_on;
+
+ if (chain_idx > 3)
+ return -EINVAL;
+
+ tssi_on = besra_tssi_enabled(dev, chan->band);
+
+ if (chan->band == NL80211_BAND_2GHZ) {
+ index = MT_EE_TX0_POWER_2G_V2 + chain_idx * 3;
+ target_power = eeprom[index];
+
+ if (!tssi_on)
+ target_power += eeprom[index + 1];
+ } else {
+ int group = besra_get_channel_group(chan->hw_value);
+
+ index = MT_EE_TX0_POWER_5G_V2 + chain_idx * 12;
+ target_power = eeprom[index + group];
+
+ if (!tssi_on)
+ target_power += eeprom[index + 8];
+ }
+
+ return target_power;
+}
+
+s8 besra_eeprom_get_power_delta(struct besra_dev *dev, int band)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u32 val;
+ s8 delta;
+
+ if (band == NL80211_BAND_2GHZ)
+ val = eeprom[MT_EE_RATE_DELTA_2G_V2];
+ else
+ val = eeprom[MT_EE_RATE_DELTA_5G_V2];
+
+ if (!(val & MT_EE_RATE_DELTA_EN))
+ return 0;
+
+ delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val);
+
+ return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta;
+}
+
+const u8 besra_sku_group_len[] = {
+ [SKU_CCK] = 4,
+ [SKU_OFDM] = 8,
+ [SKU_HT_BW20] = 8,
+ [SKU_HT_BW40] = 9,
+ [SKU_VHT_BW20] = 12,
+ [SKU_VHT_BW40] = 12,
+ [SKU_VHT_BW80] = 12,
+ [SKU_VHT_BW160] = 12,
+ [SKU_HE_RU26] = 12,
+ [SKU_HE_RU52] = 12,
+ [SKU_HE_RU106] = 12,
+ [SKU_HE_RU242] = 12,
+ [SKU_HE_RU484] = 12,
+ [SKU_HE_RU996] = 12,
+ [SKU_HE_RU2x996] = 12
+};