/space/home/slher/rel/Beken/v6_4_5/macsw/plf/refip/src/driver/dma/dma.h

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#ifndef _IPC_DMA_H_
#define _IPC_DMA_H_

/*
 * INCLUDE FILES
 ****************************************************************************************
 */
#include "co_int.h"

// for target dependent macros
#include "rwnx_config.h"

// for CO_BIT macro
#include "co_math.h"

// for __INLINE
#include "compiler.h"

// for register address
#include "reg_dma.h"



enum
{
    IPC_DMA_CHANNEL_CTRL_RX,
    IPC_DMA_CHANNEL_DATA_RX,
    IPC_DMA_CHANNEL_CTRL_TX,
    IPC_DMA_CHANNEL_DATA_TX,
    IPC_DMA_CHANNEL_INTERNAL,
    IPC_DMA_CHANNEL_MAX,
};

enum
{
    IPC_DMA_LLI_DATA_AC0_TX,
    IPC_DMA_LLI_DATA_AC1_TX,
    IPC_DMA_LLI_DATA_AC2_TX,
    IPC_DMA_LLI_DATA_AC3_TX,
    IPC_DMA_LLI_DATA_BCN_TX,
    IPC_DMA_LLI_DATA_RX0,
    IPC_DMA_LLI_MSG,
    IPC_DMA_LLI_DBG,
    IPC_DMA_LLI_CFM_TX,
    IPC_DMA_LLI_GP_DL,
    IPC_DMA_LLI_DBG_DUMP,
    IPC_DMA_LLI_GP_UL,
    IPC_DMA_LLI_MAX
};

#if NX_BEACONING
#define IPC_DMA_LLI_TX_MASK         0x001F
#else
#define IPC_DMA_LLI_TX_MASK         0x000F
#endif
#define IPC_DMA_LLI_CFM_MASK        0x0100

#define IPC_DMA_LLI_RX_MASK         0x0020

#define IPC_DMA_LLI_COUNTER_EN      0x0010
#define IPC_DMA_LLI_COUNTER_MASK    0x000F
#define IPC_DMA_LLI_COUNTER_POS     0

#define IPC_DMA_LLI_IRQ_EN          0x1000
#define IPC_DMA_LLI_IRQ_MASK        0x0F00
#define IPC_DMA_LLI_IRQ_POS         8

struct dma_desc
{
    uint32_t            src;
    uint32_t            dest;
    uint16_t            length;
    uint16_t            ctrl;
    uint32_t            next;
};

struct dma_env_tag
{
    volatile struct dma_desc *last_dma[IPC_DMA_CHANNEL_MAX];
};

extern struct dma_env_tag dma_env;

void dma_init(void);


void dma_push(struct dma_desc *first, struct dma_desc *last, int channel_idx);


void dma_buserr_isr(void);


#if NX_EMB

__INLINE void dma_lli_disable(int lli)
{
    dma_int_unmask_lli_irq_clearf(CO_BIT(lli));
}

__INLINE void dma_lli_enable(int lli)
{
    dma_int_unmask_lli_irq_setf(CO_BIT(lli));
}


__INLINE void dma_lli_poll(int lli)
{
    while (!(dma_int_status_get() & CO_BIT(lli)));
}
#endif


#endif // _IPC_DMA_H_

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