dma.c File Reference

#include "main.h"

Include dependency graph for dma.c:

Macros
#define	DATA_SIZE(d)   ((d)->flags & GSC_DMA_OPEN_SIZE_MASK)

Functions
static void	_dma_close_sgl (dev_dma_t *dma)
static void	_dma_open_config (dev_data_t *dev, dev_dma_t *dma, __u32 ws)
static void	_dma_status (dev_data_t *dev, dev_dma_t *chan, gsc_drv_dma_t *dma)
static void	_sgl_buf_free (dev_dma_t *dma)
static void	_sgl_buf_alloc (dev_dma_t *dma)
int	dma_abort (dev_dma_t *dma)
int	dma_abort_ioctl (dev_data_t *dev, gsc_drv_dma_t *dma)
int	dma_close_ioctl (dev_data_t *dev, gsc_drv_dma_t *dma)
int	dma_open_ioctl (dev_data_t *dev, gsc_drv_dma_t *dma)
int	dma_status_ioctl (dev_data_t *dev, gsc_drv_dma_t *dma)
static int	_dma_perform (dev_data_t *dev, dev_dma_t *dma, gsc_drv_dma_t *xfer, u32 dpr)
static int	_dma_xfer_block (dev_data_t *dev, dev_pid_t *pid, dev_dma_t *dma, gsc_drv_dma_t *xfer)
static int	_dma_xfer_sgl (dev_data_t *dev, dev_pid_t *pid, dev_dma_t *dma, gsc_drv_dma_t *xfer)
int	dma_transfer_ioctl (dev_data_t *dev, gsc_drv_dma_t *xfer)
void	dma_channel_init (dev_data_t *dev, dev_dma_t *dma, int index)
void	dma_channel_reset (dev_dma_t *dma)

Macro Definition Documentation

DATA_SIZE

#define DATA_SIZE

(

d

)

((d)->flags & GSC_DMA_OPEN_SIZE_MASK)

Function Documentation

_dma_close_sgl()

static void _dma_close_sgl ( dev_dma_t *  dma )

static

_dma_open_config()

static void _dma_open_config ( dev_data_t *  dev, dev_dma_t *  dma, __u32  ws  )

static

_dma_perform()

static int _dma_perform ( dev_data_t *  dev, dev_dma_t *  dma, gsc_drv_dma_t *  xfer, u32  dpr  )

static

_dma_status()

static void _dma_status ( dev_data_t *  dev, dev_dma_t *  chan, gsc_drv_dma_t *  dma  )

static

_dma_xfer_block()

static int _dma_xfer_block ( dev_data_t *  dev, dev_pid_t *  pid, dev_dma_t *  dma, gsc_drv_dma_t *  xfer  )

static

_dma_xfer_sgl()

static int _dma_xfer_sgl ( dev_data_t *  dev, dev_pid_t *  pid, dev_dma_t *  dma, gsc_drv_dma_t *  xfer  )

static

_sgl_buf_alloc()

static void _sgl_buf_alloc ( dev_dma_t *  dma )

static

_sgl_buf_free()

static void _sgl_buf_free ( dev_dma_t *  dma )

static

dma_abort()

int dma_abort

(

dev_dma_t *

dma

)

dma_abort_ioctl()

int dma_abort_ioctl	(	dev_data_t *	dev,
		gsc_drv_dma_t *	dma
	)

dma_channel_init()

void dma_channel_init	(	dev_data_t *	dev,
		dev_dma_t *	dma,
		int	index
	)

dma_channel_reset()

void dma_channel_reset

(

dev_dma_t *

dma

)

dma_close_ioctl()

int dma_close_ioctl	(	dev_data_t *	dev,
		gsc_drv_dma_t *	dma
	)

dma_open_ioctl()

int dma_open_ioctl	(	dev_data_t *	dev,
		gsc_drv_dma_t *	dma
	)

dma_status_ioctl()

int dma_status_ioctl	(	dev_data_t *	dev,
		gsc_drv_dma_t *	dma
	)

dma_transfer_ioctl()

int dma_transfer_ioctl	(	dev_data_t *	dev,
		gsc_drv_dma_t *	xfer
	)