[qemu.git] / hw / etraxfs_dma.h

struct dma_context_metadata {
	/* data descriptor md */
	uint16_t metadata;
};

struct etraxfs_dma_client
{
	/* DMA controller. */
	int channel;
	void *ctrl;

	/* client.  */
	struct {
		int (*push)(void *opaque, unsigned char *buf,
		            int len, bool eop);
		void (*pull)(void *opaque);
		void (*metadata_push)(void *opaque,
		                      const struct dma_context_metadata *md);
		void *opaque;
	} client;
};

void *etraxfs_dmac_init(target_phys_addr_t base, int nr_channels);
void etraxfs_dmac_connect(void *opaque, int channel, qemu_irq *line,
			  int input);
void etraxfs_dmac_connect_client(void *opaque, int c, 
				 struct etraxfs_dma_client *cl);
int etraxfs_dmac_input(struct etraxfs_dma_client *client, 
		       void *buf, int len, int eop);
Commit	Line	Data
73a511de LP	1	struct dma_context_metadata {
	2	/* data descriptor md */
	3	uint16_t metadata;
	4	};
	5
1ba13a5d EI	6	struct etraxfs_dma_client
	7	{
	8	/* DMA controller. */
	9	int channel;
	10	void *ctrl;
	11
	12	/* client. */
73a511de LP	13	struct {
	14	int (push)(void opaque, unsigned char *buf,
	15	int len, bool eop);
1ba13a5d	16	void (pull)(void opaque);
73a511de LP	17	void (metadata_push)(void opaque,
73a511de LP	18	const struct dma_context_metadata *md);
1ba13a5d EI	19	void *opaque;
	20	} client;
	21	};
	22
c227f099	23	void *etraxfs_dmac_init(target_phys_addr_t base, int nr_channels);
1ba13a5d EI	24	void etraxfs_dmac_connect(void opaque, int channel, qemu_irq line,
	25	int input);
	26	void etraxfs_dmac_connect_client(void *opaque, int c,
	27	struct etraxfs_dma_client *cl);
1ba13a5d EI	28	int etraxfs_dmac_input(struct etraxfs_dma_client *client,
1ba13a5d EI	29	void *buf, int len, int eop);