diff options
Diffstat (limited to 'include/asm-mips/mach-rc32434/dma_v.h')
| -rw-r--r-- | include/asm-mips/mach-rc32434/dma_v.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/include/asm-mips/mach-rc32434/dma_v.h b/include/asm-mips/mach-rc32434/dma_v.h deleted file mode 100644 index 173a9f9..0000000 --- a/include/asm-mips/mach-rc32434/dma_v.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright 2002 Integrated Device Technology, Inc. - * All rights reserved. - * - * DMA register definition. - * - * Author : ryan.holmQVist@idt.com - * Date : 20011005 - */ - -#ifndef _ASM_RC32434_DMA_V_H_ -#define _ASM_RC32434_DMA_V_H_ - -#include <asm/mach-rc32434/dma.h> -#include <asm/mach-rc32434/rc32434.h> - -#define DMA_CHAN_OFFSET 0x14 -#define IS_DMA_USED(X) (((X) & \ - (DMA_DESC_FINI | DMA_DESC_DONE | DMA_DESC_TERM)) \ - != 0) -#define DMA_COUNT(count) ((count) & DMA_DESC_COUNT_MSK) - -#define DMA_HALT_TIMEOUT 500 - -static inline int rc32434_halt_dma(struct dma_reg *ch) -{ - int timeout = 1; - if (__raw_readl(&ch->dmac) & DMA_CHAN_RUN_BIT) { - __raw_writel(0, &ch->dmac); - for (timeout = DMA_HALT_TIMEOUT; timeout > 0; timeout--) { - if (__raw_readl(&ch->dmas) & DMA_STAT_HALT) { - __raw_writel(0, &ch->dmas); - break; - } - } - } - - return timeout ? 0 : 1; -} - -static inline void rc32434_start_dma(struct dma_reg *ch, u32 dma_addr) -{ - __raw_writel(0, &ch->dmandptr); - __raw_writel(dma_addr, &ch->dmadptr); -} - -static inline void rc32434_chain_dma(struct dma_reg *ch, u32 dma_addr) -{ - __raw_writel(dma_addr, &ch->dmandptr); -} - -#endif /* _ASM_RC32434_DMA_V_H_ */ |
