hw/etraxfs_dma.h

   1 struct etraxfs_dma_client
   2 {
   3         /* DMA controller. */
   4         int channel;
   5         void *ctrl;
   6
   7         /* client.  */
   8         struct
   9         {
  10                 int (*push)(void *opaque, unsigned char *buf, int len);
  11                 void (*pull)(void *opaque);
  12                 void *opaque;
  13         } client;
  14 };
  15
  16 void *etraxfs_dmac_init(target_phys_addr_t base, int nr_channels);
  17 void etraxfs_dmac_connect(void *opaque, int channel, qemu_irq *line,
  18                           int input);
  19 void etraxfs_dmac_connect_client(void *opaque, int c,
  20                                  struct etraxfs_dma_client *cl);
  21 int etraxfs_dmac_input(struct etraxfs_dma_client *client,
  22                        void *buf, int len, int eop);