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path: root/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c
deleted file mode 100644
index 691d14a1a7bf..000000000000
--- a/drivers/net/wireless/mediatek/mt76/mt7921/eeprom.c
+++ /dev/null
@@ -1,100 +0,0 @@
-// SPDX-License-Identifier: ISC
-/* Copyright (C) 2020 MediaTek Inc. */
-
-#include "mt7921.h"
-#include "eeprom.h"
-
-static u32 mt7921_eeprom_read(struct mt7921_dev *dev, u32 offset)
-{
- u8 *data = dev->mt76.eeprom.data;
-
- if (data[offset] == 0xff)
- mt7921_mcu_get_eeprom(dev, offset);
-
- return data[offset];
-}
-
-static int mt7921_eeprom_load(struct mt7921_dev *dev)
-{
- int ret;
-
- ret = mt76_eeprom_init(&dev->mt76, MT7921_EEPROM_SIZE);
- if (ret < 0)
- return ret;
-
- memset(dev->mt76.eeprom.data, -1, MT7921_EEPROM_SIZE);
-
- return 0;
-}
-
-static int mt7921_check_eeprom(struct mt7921_dev *dev)
-{
- u8 *eeprom = dev->mt76.eeprom.data;
- u16 val;
-
- mt7921_eeprom_read(dev, MT_EE_CHIP_ID);
- val = get_unaligned_le16(eeprom);
-
- switch (val) {
- case 0x7961:
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy)
-{
- struct mt7921_dev *dev = phy->dev;
- u32 val;
-
- val = mt7921_eeprom_read(dev, MT_EE_WIFI_CONF);
- val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val);
-
- switch (val) {
- case MT_EE_5GHZ:
- phy->mt76->cap.has_5ghz = true;
- break;
- case MT_EE_2GHZ:
- phy->mt76->cap.has_2ghz = true;
- break;
- default:
- phy->mt76->cap.has_2ghz = true;
- phy->mt76->cap.has_5ghz = true;
- break;
- }
-}
-
-static void mt7921_eeprom_parse_hw_cap(struct mt7921_dev *dev)
-{
- u8 tx_mask;
-
- mt7921_eeprom_parse_band_config(&dev->phy);
-
- /* TODO: read NSS with MCU_CMD_NIC_CAPV2 */
- tx_mask = 2;
- dev->chainmask = BIT(tx_mask) - 1;
- dev->mphy.antenna_mask = dev->chainmask;
- dev->mphy.chainmask = dev->mphy.antenna_mask;
-}
-
-int mt7921_eeprom_init(struct mt7921_dev *dev)
-{
- int ret;
-
- ret = mt7921_eeprom_load(dev);
- if (ret < 0)
- return ret;
-
- ret = mt7921_check_eeprom(dev);
- if (ret)
- return ret;
-
- mt7921_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;
-}