From a09e64fbc0094e3073dbb09c3b4bfe4ab669244b Mon Sep 17 00:00:00 2001 From: Russell King Date: Tue, 5 Aug 2008 16:14:15 +0100 Subject: [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King --- arch/arm/mach-pxa/include/mach/dma.h | 50 ++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 arch/arm/mach-pxa/include/mach/dma.h (limited to 'arch/arm/mach-pxa/include/mach/dma.h') diff --git a/arch/arm/mach-pxa/include/mach/dma.h b/arch/arm/mach-pxa/include/mach/dma.h new file mode 100644 index 000000000000..955bfe606067 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/dma.h @@ -0,0 +1,50 @@ +/* + * arch/arm/mach-pxa/include/mach/dma.h + * + * Author: Nicolas Pitre + * Created: Jun 15, 2001 + * Copyright: MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H + +/* + * Descriptor structure for PXA's DMA engine + * Note: this structure must always be aligned to a 16-byte boundary. + */ + +typedef struct pxa_dma_desc { + volatile u32 ddadr; /* Points to the next descriptor + flags */ + volatile u32 dsadr; /* DSADR value for the current transfer */ + volatile u32 dtadr; /* DTADR value for the current transfer */ + volatile u32 dcmd; /* DCMD value for the current transfer */ +} pxa_dma_desc; + +typedef enum { + DMA_PRIO_HIGH = 0, + DMA_PRIO_MEDIUM = 1, + DMA_PRIO_LOW = 2 +} pxa_dma_prio; + +#if defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI) +#define HAVE_ARCH_PCI_SET_DMA_MASK 1 +#endif + +/* + * DMA registration + */ + +int __init pxa_init_dma(int num_ch); + +int pxa_request_dma (char *name, + pxa_dma_prio prio, + void (*irq_handler)(int, void *), + void *data); + +void pxa_free_dma (int dma_ch); + +#endif /* _ASM_ARCH_DMA_H */ -- cgit