| Ben Dooks | d521f87 | 2008-10-21 14:06:40 +0100 | [diff] [blame] | 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 | |
| Ben Dooks | fa7a788 | 2009-03-10 23:57:26 +0000 | [diff] [blame] | 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> |
| Ben Dooks | d521f87 | 2008-10-21 14:06:40 +0100 | [diff] [blame] | 72 | |
| 73 | #endif /* __ASM_ARCH_IRQ_H */ |