sh: migrate to arch/sh/include/
[linux-2.6.git] / arch / sh / include / cpu-sh3 / cpu / dma.h
1 #ifndef __ASM_CPU_SH3_DMA_H
2 #define __ASM_CPU_SH3_DMA_H
3
4
5 #if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
6     defined(CONFIG_CPU_SUBTYPE_SH7721)
7 #define SH_DMAC_BASE    0xa4010020
8 #else
9 #define SH_DMAC_BASE    0xa4000020
10 #endif
11
12 #if defined(CONFIG_CPU_SUBTYPE_SH7720) || defined(CONFIG_CPU_SUBTYPE_SH7709)
13 #define DMTE0_IRQ       48
14 #define DMTE1_IRQ       49
15 #define DMTE2_IRQ       50
16 #define DMTE3_IRQ       51
17 #define DMTE4_IRQ       76
18 #define DMTE5_IRQ       77
19 #endif
20
21 /* Definitions for the SuperH DMAC */
22 #define TM_BURST        0x00000020
23 #define TS_8            0x00000000
24 #define TS_16           0x00000008
25 #define TS_32           0x00000010
26 #define TS_128          0x00000018
27
28 #define CHCR_TS_MASK    0x18
29 #define CHCR_TS_SHIFT   3
30
31 #define DMAOR_INIT      DMAOR_DME
32
33 /*
34  * The SuperH DMAC supports a number of transmit sizes, we list them here,
35  * with their respective values as they appear in the CHCR registers.
36  */
37 enum {
38         XMIT_SZ_8BIT,
39         XMIT_SZ_16BIT,
40         XMIT_SZ_32BIT,
41         XMIT_SZ_128BIT,
42 };
43
44 static unsigned int ts_shift[] __maybe_unused = {
45         [XMIT_SZ_8BIT]          = 0,
46         [XMIT_SZ_16BIT]         = 1,
47         [XMIT_SZ_32BIT]         = 2,
48         [XMIT_SZ_128BIT]        = 4,
49 };
50
51 #endif /* __ASM_CPU_SH3_DMA_H */