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51 lines
1.2 KiB
51 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (C) 2003-2006 Simtec Electronics |
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* Ben Dooks <[email protected]> |
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* |
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* Samsung S3C24XX DMA support |
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*/ |
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#ifndef __ASM_ARCH_DMA_H |
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#define __ASM_ARCH_DMA_H __FILE__ |
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#include <linux/device.h> |
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/* We use `virtual` dma channels to hide the fact we have only a limited |
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* number of DMA channels, and not of all of them (dependent on the device) |
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* can be attached to any DMA source. We therefore let the DMA core handle |
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* the allocation of hardware channels to clients. |
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*/ |
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enum dma_ch { |
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DMACH_XD0 = 0, |
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DMACH_XD1, |
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DMACH_SDI, |
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DMACH_SPI0, |
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DMACH_SPI1, |
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DMACH_UART0, |
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DMACH_UART1, |
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DMACH_UART2, |
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DMACH_TIMER, |
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DMACH_I2S_IN, |
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DMACH_I2S_OUT, |
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DMACH_PCM_IN, |
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DMACH_PCM_OUT, |
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DMACH_MIC_IN, |
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DMACH_USB_EP1, |
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DMACH_USB_EP2, |
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DMACH_USB_EP3, |
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DMACH_USB_EP4, |
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DMACH_UART0_SRC2, /* s3c2412 second uart sources */ |
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DMACH_UART1_SRC2, |
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DMACH_UART2_SRC2, |
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DMACH_UART3, /* s3c2443 has extra uart */ |
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DMACH_UART3_SRC2, |
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DMACH_SPI0_TX, /* s3c2443/2416/2450 hsspi0 */ |
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DMACH_SPI0_RX, /* s3c2443/2416/2450 hsspi0 */ |
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DMACH_SPI1_TX, /* s3c2443/2450 hsspi1 */ |
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DMACH_SPI1_RX, /* s3c2443/2450 hsspi1 */ |
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DMACH_MAX, /* the end entry */ |
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}; |
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#endif /* __ASM_ARCH_DMA_H */
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