diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-05 16:14:15 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:48 +0100 |
commit | a09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch) | |
tree | 69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-pxa/include/mach/dma.h | |
parent | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff) |
[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 <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/dma.h')
-rw-r--r-- | arch/arm/mach-pxa/include/mach/dma.h | 50 |
1 files changed, 50 insertions, 0 deletions
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 */ |