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Diffstat (limited to 'include/asm-arm/arch-imx/dma.h')
-rw-r--r-- | include/asm-arm/arch-imx/dma.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/asm-arm/arch-imx/dma.h b/include/asm-arm/arch-imx/dma.h new file mode 100644 index 000000000000..dbdc01780413 --- /dev/null +++ b/include/asm-arm/arch-imx/dma.h @@ -0,0 +1,71 @@ +/* + * linux/include/asm-arm/imxads/dma.h + * + * Copyright (C) 1997,1998 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H + +#define MAX_DMA_ADDRESS 0xffffffff + +#define MAX_DMA_CHANNELS 0 + +/* + * DMA registration + */ + +typedef enum { + DMA_PRIO_HIGH = 0, + DMA_PRIO_MEDIUM = 3, + DMA_PRIO_LOW = 6 +} imx_dma_prio; + +int imx_request_dma(char *name, imx_dma_prio prio, + void (*irq_handler) (int, void *, struct pt_regs *), + void (*err_handler) (int, void *, struct pt_regs *), + void *data); + +void imx_free_dma(int dma_ch); + + +#define DMA_REQ_UART3_T 2 +#define DMA_REQ_UART3_R 3 +#define DMA_REQ_SSI2_T 4 +#define DMA_REQ_SSI2_R 5 +#define DMA_REQ_CSI_STAT 6 +#define DMA_REQ_CSI_R 7 +#define DMA_REQ_MSHC 8 +#define DMA_REQ_DSPA_DCT_DOUT 9 +#define DMA_REQ_DSPA_DCT_DIN 10 +#define DMA_REQ_DSPA_MAC 11 +#define DMA_REQ_EXT 12 +#define DMA_REQ_SDHC 13 +#define DMA_REQ_SPI1_R 14 +#define DMA_REQ_SPI1_T 15 +#define DMA_REQ_SSI_T 16 +#define DMA_REQ_SSI_R 17 +#define DMA_REQ_ASP_DAC 18 +#define DMA_REQ_ASP_ADC 19 +#define DMA_REQ_USP_EP(x) (20+(x)) +#define DMA_REQ_SPI2_R 26 +#define DMA_REQ_SPI2_T 27 +#define DMA_REQ_UART2_T 28 +#define DMA_REQ_UART2_R 29 +#define DMA_REQ_UART1_T 30 +#define DMA_REQ_UART1_R 31 + +#endif /* _ASM_ARCH_DMA_H */ |