diff options
Diffstat (limited to 'firmware/target/arm/tms320dm320/dma-target.h')
-rw-r--r-- | firmware/target/arm/tms320dm320/dma-target.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/firmware/target/arm/tms320dm320/dma-target.h b/firmware/target/arm/tms320dm320/dma-target.h new file mode 100644 index 0000000000..37053b319b --- /dev/null +++ b/firmware/target/arm/tms320dm320/dma-target.h | |||
@@ -0,0 +1,44 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id: $ | ||
9 | * | ||
10 | * Copyright (C) 2011 by Tomasz Moń | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #ifndef DMA_TARGET_H | ||
23 | #define DMA_TARGET_H | ||
24 | |||
25 | /* These defines match DMA Select bits */ | ||
26 | #define DMA_PERIPHERAL_MTC 0 | ||
27 | #define DMA_PERIPHERAL_SIF 1 | ||
28 | #define DMA_PERIPHERAL_MS 2 | ||
29 | #define DMA_PERIPHERAL_MMCSD 3 | ||
30 | #define DMA_PERIPHERAL_DSP 4 | ||
31 | |||
32 | /* These defines match DMA Burst bits */ | ||
33 | /* 1 burst DMA - address must be 4 byte aligned */ | ||
34 | #define DMA_MODE_1_BURST 0 | ||
35 | /* 4 burst DMA - address must be 16 byte aligned */ | ||
36 | #define DMA_MODE_4_BURST 1 | ||
37 | /* 8 burst DMA - address must be 32 byte aligned */ | ||
38 | #define DMA_MODE_8_BURST 2 | ||
39 | |||
40 | void dma_init(void); | ||
41 | int dma_request_channel(int peripheral, int mode); | ||
42 | void dma_release_channel(int channel); | ||
43 | |||
44 | #endif | ||