LXR qemu/include/hw/cris/etraxfs

   1#ifndef HW_ETRAXFS_DMA_H
   2#define HW_ETRAXFS_DMA_H
   3
   4#include "exec/hwaddr.h"
   5
   6struct dma_context_metadata {
   7        /* data descriptor md */
   8        uint16_t metadata;
   9};
  10
  11struct etraxfs_dma_client
  12{
  13        /* DMA controller. */
  14        int channel;
  15        void *ctrl;
  16
  17        /* client.  */
  18        struct {
  19                int (*push)(void *opaque, unsigned char *buf,
  20                            int len, bool eop);
  21                void (*pull)(void *opaque);
  22                void (*metadata_push)(void *opaque,
  23                                      const struct dma_context_metadata *md);
  24                void *opaque;
  25        } client;
  26};
  27
  28void *etraxfs_dmac_init(hwaddr base, int nr_channels);
  29void etraxfs_dmac_connect(void *opaque, int channel, qemu_irq *line,
  30                          int input);
  31void etraxfs_dmac_connect_client(void *opaque, int c, 
  32                                 struct etraxfs_dma_client *cl);
  33int etraxfs_dmac_input(struct etraxfs_dma_client *client, 
  34                       void *buf, int len, int eop);
  35
  36#endif
  37