mirror of https://gitee.com/openkylin/linux.git
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/* 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 <ben@simtec.co.uk>
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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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