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