28ce5ce63b
This patch adds powermac Descriptor-Based DMA. It is used by mac-io based IDE, ethernet, sounds and serial devices. Signed-off-by: Laurent Vivier <Laurent@lvivier.info> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6488 c046a42c-6fe2-441c-8c8c-71466251a162
42 lines
1.7 KiB
C
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);
|