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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/contrib/dev/mediatek/mt76/mt76x02_dma.h
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/* SPDX-License-Identifier: ISC */

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/*

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 * Copyright (C) 2018 Lorenzo Bianconi <[email protected]>

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 */

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#ifndef __MT76x02_DMA_H

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#define __MT76x02_DMA_H

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#include "mt76x02.h"

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#include "dma.h"

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#define MT_TXD_INFO_LEN			GENMASK(15, 0)

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#define MT_TXD_INFO_NEXT_VLD		BIT(16)

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#define MT_TXD_INFO_TX_BURST		BIT(17)

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#define MT_TXD_INFO_80211		BIT(19)

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#define MT_TXD_INFO_TSO			BIT(20)

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#define MT_TXD_INFO_CSO			BIT(21)

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#define MT_TXD_INFO_WIV			BIT(24)

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#define MT_TXD_INFO_QSEL		GENMASK(26, 25)

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#define MT_TXD_INFO_DPORT		GENMASK(29, 27)

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#define MT_TXD_INFO_TYPE		GENMASK(31, 30)

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#define MT_RX_FCE_INFO_LEN		GENMASK(13, 0)

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#define MT_RX_FCE_INFO_SELF_GEN		BIT(15)

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#define MT_RX_FCE_INFO_CMD_SEQ		GENMASK(19, 16)

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#define MT_RX_FCE_INFO_EVT_TYPE		GENMASK(23, 20)

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#define MT_RX_FCE_INFO_PCIE_INTR	BIT(24)

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#define MT_RX_FCE_INFO_QSEL		GENMASK(26, 25)

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#define MT_RX_FCE_INFO_D_PORT		GENMASK(29, 27)

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#define MT_RX_FCE_INFO_TYPE		GENMASK(31, 30)

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/* MCU request message header  */

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#define MT_MCU_MSG_LEN			GENMASK(15, 0)

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#define MT_MCU_MSG_CMD_SEQ		GENMASK(19, 16)

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#define MT_MCU_MSG_CMD_TYPE		GENMASK(26, 20)

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#define MT_MCU_MSG_PORT			GENMASK(29, 27)

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#define MT_MCU_MSG_TYPE			GENMASK(31, 30)

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#define MT_MCU_MSG_TYPE_CMD		BIT(30)

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#define MT_RX_HEADROOM			32

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#define MT76X02_RX_RING_SIZE		256

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enum dma_msg_port {

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	WLAN_PORT,

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	CPU_RX_PORT,

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	CPU_TX_PORT,

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	HOST_PORT,

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	VIRTUAL_CPU_RX_PORT,

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	VIRTUAL_CPU_TX_PORT,

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	DISCARD,

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};

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static inline bool

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mt76x02_wait_for_wpdma(struct mt76_dev *dev, int timeout)

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{

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	return __mt76_poll(dev, MT_WPDMA_GLO_CFG,

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			   MT_WPDMA_GLO_CFG_TX_DMA_BUSY |

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			   MT_WPDMA_GLO_CFG_RX_DMA_BUSY,

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			   0, timeout);

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}

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int mt76x02_dma_init(struct mt76x02_dev *dev);

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void mt76x02_dma_disable(struct mt76x02_dev *dev);

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#endif /* __MT76x02_DMA_H */

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