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Diffstat (limited to 'include/asm-avr32/dma-mapping.h')
-rw-r--r-- | include/asm-avr32/dma-mapping.h | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/include/asm-avr32/dma-mapping.h b/include/asm-avr32/dma-mapping.h deleted file mode 100644 index 0be7804..0000000 --- a/include/asm-avr32/dma-mapping.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright (C) 2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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_AVR32_DMA_MAPPING_H -#define __ASM_AVR32_DMA_MAPPING_H - -#include <asm/io.h> -#include <asm/arch/cacheflush.h> - -enum dma_data_direction { - DMA_BIDIRECTIONAL = 0, - DMA_TO_DEVICE = 1, - DMA_FROM_DEVICE = 2, -}; -extern void *dma_alloc_coherent(size_t len, unsigned long *handle); - -static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) -{ - extern void __bad_dma_data_direction(void); - - switch (dir) { - case DMA_BIDIRECTIONAL: - dcache_flush_range(vaddr, len); - break; - case DMA_TO_DEVICE: - dcache_clean_range(vaddr, len); - break; - case DMA_FROM_DEVICE: - dcache_invalidate_range(vaddr, len); - break; - default: - /* This will cause a linker error */ - __bad_dma_data_direction(); - } - - return virt_to_phys(vaddr); -} - -static inline void dma_unmap_single(volatile void *vaddr, size_t len, - unsigned long paddr) -{ - -} - -#endif /* __ASM_AVR32_DMA_MAPPING_H */ |