diff options
| author |   Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
|---|---|---|
| committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
| commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
| tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/include/hw/cris/etraxfs_dma.h | |
| parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) | |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/hw/cris/etraxfs_dma.h')
| -rw-r--r-- | qemu/include/hw/cris/etraxfs_dma.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/qemu/include/hw/cris/etraxfs_dma.h b/qemu/include/hw/cris/etraxfs_dma.h new file mode 100644 index 000000000..38104a67b --- /dev/null +++ b/qemu/include/hw/cris/etraxfs_dma.h @@ -0,0 +1,34 @@ +#ifndef HW_ETRAXFS_DMA_H +#define HW_ETRAXFS_DMA_H 1 + +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(hwaddr 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); + +#endif |