Include dependency graph for dma.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	dma_sg_elem
	Element of SG list (as array item). More...
struct	dma_cb_data
	Data used in DMA callbacks. More...
struct	dma_sg_elem_array
	SG elem array. More...
struct	dma_sg_config
struct	dma_chan_status
struct	dma_plat_data
struct	dma
struct	dma_chan_data
struct	dma_info
struct	dma_copy

Macros
#define	SOF_DMA_DIR_MEM_TO_MEM BIT(0)
	local memory copy
#define	SOF_DMA_DIR_HMEM_TO_LMEM BIT(1)
	host memory to local mem copy
#define	SOF_DMA_DIR_LMEM_TO_HMEM BIT(2)
	local mem to host mem copy
#define	SOF_DMA_DIR_MEM_TO_DEV BIT(3)
	local mem to dev copy
#define	SOF_DMA_DIR_DEV_TO_MEM BIT(4)
	dev to local mem copy
#define	SOF_DMA_DIR_DEV_TO_DEV BIT(5)
	dev to dev copy
#define	SOF_DMA_CAP_HDA BIT(0)
	HDA DMA.
#define	SOF_DMA_CAP_GP_LP BIT(1)
	GP LP DMA.
#define	SOF_DMA_CAP_GP_HP BIT(2)
	GP HP DMA.
#define	SOF_DMA_CAP_BT BIT(3)
	BT DMA.
#define	SOF_DMA_CAP_SP BIT(4)
	SP DMA.
#define	SOF_DMA_CAP_DMIC BIT(5)
	ACP DMA DMIC >.
#define	SOF_DMA_CAP_SP_VIRTUAL BIT(6)
	SP VIRTUAL DMA.
#define	SOF_DMA_CAP_HS_VIRTUAL BIT(7)
	HS VIRTUAL DMA.
#define	SOF_DMA_CAP_HS BIT(8)
	HS DMA.
#define	SOF_DMA_CAP_SW BIT(9)
	SW DMA.
#define	SOF_DMA_CAP_TDM BIT(10)
	connectable to ACP TDM I2S
#define	SOF_DMA_DEV_HOST BIT(0)
	connectable to host
#define	SOF_DMA_DEV_HDA BIT(1)
	connectable to HD/A link
#define	SOF_DMA_DEV_SSP BIT(2)
	connectable to SSP fifo
#define	SOF_DMA_DEV_DMIC BIT(3)
	connectable to DMIC fifo
#define	SOF_DMA_DEV_SSI BIT(4)
	connectable to SSI / SPI fifo
#define	SOF_DMA_DEV_ALH BIT(5)
	connectable to ALH link
#define	SOF_DMA_DEV_SAI BIT(6)
	connectable to SAI fifo
#define	SOF_DMA_DEV_ESAI BIT(7)
	connectable to ESAI fifo
#define	SOF_DMA_DEV_BT BIT(8)
	connectable to ACP BT I2S
#define	SOF_DMA_DEV_SP BIT(9)
	connectable to ACP SP I2S
#define	SOF_DMA_DEV_AFE_MEMIF BIT(10)
	connectable to AFE fifo
#define	SOF_DMA_DEV_SP_VIRTUAL BIT(11)
	connectable to ACP SP VIRTUAL I2S
#define	SOF_DMA_DEV_HS_VIRTUAL BIT(12)
	connectable to ACP HS VIRTUAL I2S
#define	SOF_DMA_DEV_HS BIT(13)
	connectable to ACP HS I2S
#define	SOF_DMA_DEV_MICFIL BIT(14)
	connectable to MICFIL fifo
#define	SOF_DMA_DEV_SW BIT(15)
	connectable to ACP SW
#define	SOF_DMA_DEV_TDM BIT(16)
	connectable to ACP TDM I2S
#define	SOF_DMA_ACCESS_EXCLUSIVE 1
#define	SOF_DMA_ACCESS_SHARED 0
#define	SOF_DMA_COPY_BLOCKING BIT(0)
#define	SOF_DMA_COPY_ONE_SHOT BIT(1)
#define	SOF_DMA_CHAN_INVALID 0xFFFFFFFF
#define	SOF_DMA_CORE_INVALID 0xFFFFFFFF

Typedefs
typedef int(*	dma_process_func) (const struct cir_buf_source source, uint32_t src_channels, struct cir_buf_sink sink, uint32_t sink_channels, size_t source_samples, uint32_t chmap)

Enumerations
enum	sof_dma_cb_status { SOF_DMA_CB_STATUS_RELOAD = 0 , SOF_DMA_CB_STATUS_END }

Functions
int	dmac_init (struct sof *sof)
	API to initialize a platform DMA controllers.
static void	dma_sg_init (struct dma_sg_elem_array *ea)
int	dma_sg_alloc (struct k_heap heap, struct dma_sg_elem_array ea, uint32_t flags, uint32_t direction, uint32_t buffer_count, uint32_t buffer_bytes, uintptr_t dma_buffer_addr, uintptr_t external_addr)
void	dma_sg_free (struct k_heap heap, struct dma_sg_elem_array ea)
static uint32_t	dma_sg_get_size (struct dma_sg_elem_array *ea)
	Get the total size of SG buffer.
int	dma_buffer_copy_from (struct comp_buffer source, struct comp_buffer sink, dma_process_func process, uint32_t source_bytes, uint32_t chmap)
int	stream_copy_from_no_consume (struct comp_dev dev, struct comp_buffer source, struct comp_buffer *sink, dma_process_func process, uint32_t source_bytes, uint32_t chmap)
int	dma_buffer_copy_to (struct comp_buffer source, struct comp_buffer sink, dma_process_func process, uint32_t sink_bytes, uint32_t chmap)
static const struct dma_info *	dma_info_get (void)

Data Structures

Macros

Typedefs

Enumerations

Functions