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1 | /* linux/arch/arm/mach-s3c6400/include/mach/dma.h |
2 | * | |
3 | * Copyright 2008 Openmoko, Inc. | |
4 | * Copyright 2008 Simtec Electronics | |
5 | * Ben Dooks <ben@simtec.co.uk> | |
6 | * http://armlinux.simtec.co.uk/ | |
7 | * | |
8 | * S3C6400 - DMA support | |
9 | */ | |
10 | ||
11 | #ifndef __ASM_ARCH_DMA_H | |
12 | #define __ASM_ARCH_DMA_H __FILE__ | |
13 | ||
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14 | #define S3C_DMA_CHANNELS (16) |
15 | ||
16 | /* see mach-s3c2410/dma.h for notes on dma channel numbers */ | |
17 | ||
18 | /* Note, for the S3C64XX architecture we keep the DMACH_ | |
19 | * defines in the order they are allocated to [S]DMA0/[S]DMA1 | |
20 | * so that is easy to do DHACH_ -> DMA controller conversion | |
21 | */ | |
22 | enum dma_ch { | |
23 | /* DMA0/SDMA0 */ | |
24 | DMACH_UART0 = 0, | |
25 | DMACH_UART0_SRC2, | |
26 | DMACH_UART1, | |
27 | DMACH_UART1_SRC2, | |
28 | DMACH_UART2, | |
29 | DMACH_UART2_SRC2, | |
30 | DMACH_UART3, | |
31 | DMACH_UART3_SRC2, | |
32 | DMACH_PCM0_TX, | |
33 | DMACH_PCM0_RX, | |
34 | DMACH_I2S0_OUT, | |
35 | DMACH_I2S0_IN, | |
36 | DMACH_SPI0_TX, | |
37 | DMACH_SPI0_RX, | |
38 | DMACH_HSI_I2SV40_TX, | |
39 | DMACH_HSI_I2SV40_RX, | |
40 | ||
41 | /* DMA1/SDMA1 */ | |
42 | DMACH_PCM1_TX = 16, | |
43 | DMACH_PCM1_RX, | |
44 | DMACH_I2S1_OUT, | |
45 | DMACH_I2S1_IN, | |
46 | DMACH_SPI1_TX, | |
47 | DMACH_SPI1_RX, | |
48 | DMACH_AC97_PCMOUT, | |
49 | DMACH_AC97_PCMIN, | |
50 | DMACH_AC97_MICIN, | |
51 | DMACH_PWM, | |
52 | DMACH_IRDA, | |
53 | DMACH_EXTERNAL, | |
54 | DMACH_RES1, | |
55 | DMACH_RES2, | |
56 | DMACH_SECURITY_RX, /* SDMA1 only */ | |
57 | DMACH_SECURITY_TX, /* SDMA1 only */ | |
58 | DMACH_MAX /* the end */ | |
59 | }; | |
60 | ||
61 | static __inline__ int s3c_dma_has_circular(void) | |
62 | { | |
63 | /* we will be supporting ciruclar buffers as soon as we have DMA | |
64 | * engine support. | |
65 | */ | |
66 | return 1; | |
67 | } | |
68 | ||
69 | #define S3C2410_DMAF_CIRCULAR (1 << 0) | |
70 | ||
71 | #include <plat/dma.h> | |
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72 | |
73 | #endif /* __ASM_ARCH_IRQ_H */ |