sh: migrate to arch/sh/include/
[linux-2.6.git] / arch / sh / include / cpu-sh4 / cpu / dma.h
1 #ifndef __ASM_CPU_SH4_DMA_H
2 #define __ASM_CPU_SH4_DMA_H
3
4 #define DMAOR_INIT      ( 0x8000 | DMAOR_DME )
5
6 /* SH7751/7760/7780 DMA IRQ sources */
7 #define DMTE0_IRQ       34
8 #define DMTE1_IRQ       35
9 #define DMTE2_IRQ       36
10 #define DMTE3_IRQ       37
11 #define DMTE4_IRQ       44
12 #define DMTE5_IRQ       45
13 #define DMTE6_IRQ       46
14 #define DMTE7_IRQ       47
15 #define DMAE_IRQ        38
16
17 #ifdef CONFIG_CPU_SH4A
18 #define SH_DMAC_BASE    0xfc808020
19
20 #define CHCR_TS_MASK    0x18
21 #define CHCR_TS_SHIFT   3
22
23 #include <cpu/dma-sh7780.h>
24 #else
25 #define SH_DMAC_BASE    0xffa00000
26
27 /* Definitions for the SuperH DMAC */
28 #define TM_BURST        0x0000080
29 #define TS_8            0x00000010
30 #define TS_16           0x00000020
31 #define TS_32           0x00000030
32 #define TS_64           0x00000000
33
34 #define CHCR_TS_MASK    0x70
35 #define CHCR_TS_SHIFT   4
36
37 #define DMAOR_COD       0x00000008
38
39 /*
40  * The SuperH DMAC supports a number of transmit sizes, we list them here,
41  * with their respective values as they appear in the CHCR registers.
42  *
43  * Defaults to a 64-bit transfer size.
44  */
45 enum {
46         XMIT_SZ_64BIT,
47         XMIT_SZ_8BIT,
48         XMIT_SZ_16BIT,
49         XMIT_SZ_32BIT,
50         XMIT_SZ_256BIT,
51 };
52
53 /*
54  * The DMA count is defined as the number of bytes to transfer.
55  */
56 static unsigned int ts_shift[] __maybe_unused = {
57         [XMIT_SZ_64BIT]         = 3,
58         [XMIT_SZ_8BIT]          = 0,
59         [XMIT_SZ_16BIT]         = 1,
60         [XMIT_SZ_32BIT]         = 2,
61         [XMIT_SZ_256BIT]        = 5,
62 };
63 #endif
64
65 #endif /* __ASM_CPU_SH4_DMA_H */