diff options
Diffstat (limited to 'hw/mac_dbdma.h')
-rw-r--r-- | hw/mac_dbdma.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/hw/mac_dbdma.h b/hw/mac_dbdma.h new file mode 100644 index 0000000000..d1a02ed75e --- /dev/null +++ b/hw/mac_dbdma.h @@ -0,0 +1,41 @@ +/* + * 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); |