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mt76x02_dma.h
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mt76x02_dma.h
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/* SPDX-License-Identifier: ISC */
/*
* Copyright (C) 2018 Lorenzo Bianconi <[email protected]>
*/
#ifndef __MT76x02_DMA_H
#define __MT76x02_DMA_H
#include "mt76x02.h"
#include "dma.h"
#define MT_TXD_INFO_LEN GENMASK(15, 0)
#define MT_TXD_INFO_NEXT_VLD BIT(16)
#define MT_TXD_INFO_TX_BURST BIT(17)
#define MT_TXD_INFO_80211 BIT(19)
#define MT_TXD_INFO_TSO BIT(20)
#define MT_TXD_INFO_CSO BIT(21)
#define MT_TXD_INFO_WIV BIT(24)
#define MT_TXD_INFO_QSEL GENMASK(26, 25)
#define MT_TXD_INFO_DPORT GENMASK(29, 27)
#define MT_TXD_INFO_TYPE GENMASK(31, 30)
#define MT_RX_FCE_INFO_LEN GENMASK(13, 0)
#define MT_RX_FCE_INFO_SELF_GEN BIT(15)
#define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16)
#define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20)
#define MT_RX_FCE_INFO_PCIE_INTR BIT(24)
#define MT_RX_FCE_INFO_QSEL GENMASK(26, 25)
#define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27)
#define MT_RX_FCE_INFO_TYPE GENMASK(31, 30)
/* MCU request message header */
#define MT_MCU_MSG_LEN GENMASK(15, 0)
#define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16)
#define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20)
#define MT_MCU_MSG_PORT GENMASK(29, 27)
#define MT_MCU_MSG_TYPE GENMASK(31, 30)
#define MT_MCU_MSG_TYPE_CMD BIT(30)
#define MT_RX_HEADROOM 32
#define MT76X02_RX_RING_SIZE 256
enum dma_msg_port {
WLAN_PORT,
CPU_RX_PORT,
CPU_TX_PORT,
HOST_PORT,
VIRTUAL_CPU_RX_PORT,
VIRTUAL_CPU_TX_PORT,
DISCARD,
};
static inline bool
mt76x02_wait_for_wpdma(struct mt76_dev *dev, int timeout)
{
return __mt76_poll(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_TX_DMA_BUSY |
MT_WPDMA_GLO_CFG_RX_DMA_BUSY,
0, timeout);
}
int mt76x02_dma_init(struct mt76x02_dev *dev);
void mt76x02_dma_disable(struct mt76x02_dev *dev);
#endif /* __MT76x02_DMA_H */