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