1/* arch/arm/mach-s3c2410/include/mach/dma.h
2 *
3 * Copyright (C) 2003-2006 Simtec Electronics
4 *	Ben Dooks <ben@simtec.co.uk>
5 *
6 * Samsung S3C24XX DMA support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifndef __ASM_ARCH_DMA_H
14#define __ASM_ARCH_DMA_H __FILE__
15
16#include <linux/device.h>
17
18/* We use `virtual` dma channels to hide the fact we have only a limited
19 * number of DMA channels, and not of all of them (dependent on the device)
20 * can be attached to any DMA source. We therefore let the DMA core handle
21 * the allocation of hardware channels to clients.
22*/
23
24enum dma_ch {
25	DMACH_XD0 = 0,
26	DMACH_XD1,
27	DMACH_SDI,
28	DMACH_SPI0,
29	DMACH_SPI1,
30	DMACH_UART0,
31	DMACH_UART1,
32	DMACH_UART2,
33	DMACH_TIMER,
34	DMACH_I2S_IN,
35	DMACH_I2S_OUT,
36	DMACH_PCM_IN,
37	DMACH_PCM_OUT,
38	DMACH_MIC_IN,
39	DMACH_USB_EP1,
40	DMACH_USB_EP2,
41	DMACH_USB_EP3,
42	DMACH_USB_EP4,
43	DMACH_UART0_SRC2,	/* s3c2412 second uart sources */
44	DMACH_UART1_SRC2,
45	DMACH_UART2_SRC2,
46	DMACH_UART3,		/* s3c2443 has extra uart */
47	DMACH_UART3_SRC2,
48	DMACH_SPI0_TX,		/* s3c2443/2416/2450 hsspi0 */
49	DMACH_SPI0_RX,		/* s3c2443/2416/2450 hsspi0 */
50	DMACH_SPI1_TX,		/* s3c2443/2450 hsspi1 */
51	DMACH_SPI1_RX,		/* s3c2443/2450 hsspi1 */
52	DMACH_MAX,		/* the end entry */
53};
54
55#endif /* __ASM_ARCH_DMA_H */
56