Commit 03a25c01 authored by Ryder Lee's avatar Ryder Lee Committed by Felix Fietkau
Browse files

mt76: mt7615: apply cached RF data for DBDC 



Band0 and band1 share the same hardware, so band0 will stop Tx/Rx when
band1 performs Rx calibration. cal_cache is introduced to solve such
corner cases by moving necessary datas from channel_switch to bootup.

Co-developed-by: default avatarPeter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: default avatarPeter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 753453af

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

+20 −2
Original line number Diff line number Diff line
@@ -1698,6 +1698,19 @@ int mt7615_mcu_fw_log_2_host(struct mt7615_dev *dev, u8 ctrl) 
				 sizeof(data), true);

}



static int mt7615_mcu_cal_cache_apply(struct mt7615_dev *dev)

{

	struct {

		bool cache_enable;

		u8 pad[3];

	} data = {

		.cache_enable = true

	};



	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_CAL_CACHE, &data,

				 sizeof(data), false);

}



static int mt7663_load_n9(struct mt7615_dev *dev, const char *name)

{

	u32 offset = 0, override_addr = 0, flag = FW_START_DLYCAL;
@@ -1906,9 +1919,14 @@ int mt7615_mcu_init(struct mt7615_dev *dev) 
	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);

	dev_dbg(dev->mt76.dev, "Firmware init done\n");

	set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);

	mt7615_mcu_fw_log_2_host(dev, 0);



	return 0;

	if (dev->dbdc_support) {

		ret = mt7615_mcu_cal_cache_apply(dev);

		if (ret)

			return ret;

	}



	return mt7615_mcu_fw_log_2_host(dev, 0);

}

EXPORT_SYMBOL_GPL(mt7615_mcu_init);

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

+1 −0
Original line number Diff line number Diff line
@@ -531,6 +531,7 @@ enum { 
	MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58,

	MCU_EXT_CMD_RXDCOC_CAL = 0x59,

	MCU_EXT_CMD_TXDPD_CAL = 0x60,

	MCU_EXT_CMD_CAL_CACHE = 0x67,

	MCU_EXT_CMD_SET_RDD_TH = 0x7c,

	MCU_EXT_CMD_SET_RDD_PATTERN = 0x7d,

};