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 173a9f9146cd..000000000000 --- a/include/asm-mips/mach-rc32434/dma_v.h +++ /dev/null | |||
@@ -1,52 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2002 Integrated Device Technology, Inc. | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * DMA register definition. | ||
6 | * | ||
7 | * Author : ryan.holmQVist@idt.com | ||
8 | * Date : 20011005 | ||
9 | */ | ||
10 | |||
11 | #ifndef _ASM_RC32434_DMA_V_H_ | ||
12 | #define _ASM_RC32434_DMA_V_H_ | ||
13 | |||
14 | #include <asm/mach-rc32434/dma.h> | ||
15 | #include <asm/mach-rc32434/rc32434.h> | ||
16 | |||
17 | #define DMA_CHAN_OFFSET 0x14 | ||
18 | #define IS_DMA_USED(X) (((X) & \ | ||
19 | (DMA_DESC_FINI | DMA_DESC_DONE | DMA_DESC_TERM)) \ | ||
20 | != 0) | ||
21 | #define DMA_COUNT(count) ((count) & DMA_DESC_COUNT_MSK) | ||
22 | |||
23 | #define DMA_HALT_TIMEOUT 500 | ||
24 | |||
25 | static inline int rc32434_halt_dma(struct dma_reg *ch) | ||
26 | { | ||
27 | int timeout = 1; | ||
28 | if (__raw_readl(&ch->dmac) & DMA_CHAN_RUN_BIT) { | ||
29 | __raw_writel(0, &ch->dmac); | ||
30 | for (timeout = DMA_HALT_TIMEOUT; timeout > 0; timeout--) { | ||
31 | if (__raw_readl(&ch->dmas) & DMA_STAT_HALT) { | ||
32 | __raw_writel(0, &ch->dmas); | ||
33 | break; | ||
34 | } | ||
35 | } | ||
36 | } | ||
37 | |||
38 | return timeout ? 0 : 1; | ||
39 | } | ||
40 | |||
41 | static inline void rc32434_start_dma(struct dma_reg *ch, u32 dma_addr) | ||
42 | { | ||
43 | __raw_writel(0, &ch->dmandptr); | ||
44 | __raw_writel(dma_addr, &ch->dmadptr); | ||
45 | } | ||
46 | |||
47 | static inline void rc32434_chain_dma(struct dma_reg *ch, u32 dma_addr) | ||
48 | { | ||
49 | __raw_writel(dma_addr, &ch->dmandptr); | ||
50 | } | ||
51 | |||
52 | #endif /* _ASM_RC32434_DMA_V_H_ */ | ||