/* SPDX-License-Identifier: BSD-3-Clause-Clear */
/*
 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
 */

#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 */