diff options
Diffstat (limited to 'include/asm-arm/arch-imx/dma.h')
-rw-r--r-- | include/asm-arm/arch-imx/dma.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/asm-arm/arch-imx/dma.h b/include/asm-arm/arch-imx/dma.h new file mode 100644 index 000000000000..dbdc01780413 --- /dev/null +++ b/include/asm-arm/arch-imx/dma.h | |||
@@ -0,0 +1,71 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/imxads/dma.h | ||
3 | * | ||
4 | * Copyright (C) 1997,1998 Russell King | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | #ifndef __ASM_ARCH_DMA_H | ||
21 | #define __ASM_ARCH_DMA_H | ||
22 | |||
23 | #define MAX_DMA_ADDRESS 0xffffffff | ||
24 | |||
25 | #define MAX_DMA_CHANNELS 0 | ||
26 | |||
27 | /* | ||
28 | * DMA registration | ||
29 | */ | ||
30 | |||
31 | typedef enum { | ||
32 | DMA_PRIO_HIGH = 0, | ||
33 | DMA_PRIO_MEDIUM = 3, | ||
34 | DMA_PRIO_LOW = 6 | ||
35 | } imx_dma_prio; | ||
36 | |||
37 | int imx_request_dma(char *name, imx_dma_prio prio, | ||
38 | void (*irq_handler) (int, void *, struct pt_regs *), | ||
39 | void (*err_handler) (int, void *, struct pt_regs *), | ||
40 | void *data); | ||
41 | |||
42 | void imx_free_dma(int dma_ch); | ||
43 | |||
44 | |||
45 | #define DMA_REQ_UART3_T 2 | ||
46 | #define DMA_REQ_UART3_R 3 | ||
47 | #define DMA_REQ_SSI2_T 4 | ||
48 | #define DMA_REQ_SSI2_R 5 | ||
49 | #define DMA_REQ_CSI_STAT 6 | ||
50 | #define DMA_REQ_CSI_R 7 | ||
51 | #define DMA_REQ_MSHC 8 | ||
52 | #define DMA_REQ_DSPA_DCT_DOUT 9 | ||
53 | #define DMA_REQ_DSPA_DCT_DIN 10 | ||
54 | #define DMA_REQ_DSPA_MAC 11 | ||
55 | #define DMA_REQ_EXT 12 | ||
56 | #define DMA_REQ_SDHC 13 | ||
57 | #define DMA_REQ_SPI1_R 14 | ||
58 | #define DMA_REQ_SPI1_T 15 | ||
59 | #define DMA_REQ_SSI_T 16 | ||
60 | #define DMA_REQ_SSI_R 17 | ||
61 | #define DMA_REQ_ASP_DAC 18 | ||
62 | #define DMA_REQ_ASP_ADC 19 | ||
63 | #define DMA_REQ_USP_EP(x) (20+(x)) | ||
64 | #define DMA_REQ_SPI2_R 26 | ||
65 | #define DMA_REQ_SPI2_T 27 | ||
66 | #define DMA_REQ_UART2_T 28 | ||
67 | #define DMA_REQ_UART2_R 29 | ||
68 | #define DMA_REQ_UART1_T 30 | ||
69 | #define DMA_REQ_UART1_R 31 | ||
70 | |||
71 | #endif /* _ASM_ARCH_DMA_H */ | ||