qemu/hw/mac_dbdma.h

42 lines
1.7 KiB
C

/*
* Copyright (c) 2009 Laurent Vivier
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
typedef struct {
void *opaque;
void *channel;
int len;
int is_last;
void *buf;
int buf_pos;
int buf_len;
} DBDMA_transfer;
typedef int (*DBDMA_transfer_cb)(DBDMA_transfer *info);
typedef int (*DBDMA_transfer_handler)(DBDMA_transfer *info,
DBDMA_transfer_cb cb);
void DBDMA_register_channel(void *dbdma, int nchan, qemu_irq irq,
DBDMA_transfer_handler transfer_handler,
void *opaque);
void DBDMA_schedule(void);
void* DBDMA_init (int *dbdma_mem_index);