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/* * 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 */ |