Paul Mundt | 5283ecb | 2006-09-27 15:59:17 +0900 | [diff] [blame] | 1 | #ifndef __ASM_SH_CPU_SH4_DMA_SH7780_H |
| 2 | #define __ASM_SH_CPU_SH4_DMA_SH7780_H |
| 3 | |
| 4 | #define REQ_HE 0x000000C0 |
| 5 | #define REQ_H 0x00000080 |
| 6 | #define REQ_LE 0x00000040 |
| 7 | #define TM_BURST 0x0000020 |
| 8 | #define TS_8 0x00000000 |
| 9 | #define TS_16 0x00000008 |
| 10 | #define TS_32 0x00000010 |
| 11 | #define TS_16BLK 0x00000018 |
| 12 | #define TS_32BLK 0x00100000 |
| 13 | |
| 14 | /* |
| 15 | * The SuperH DMAC supports a number of transmit sizes, we list them here, |
| 16 | * with their respective values as they appear in the CHCR registers. |
| 17 | * |
| 18 | * Defaults to a 64-bit transfer size. |
| 19 | */ |
| 20 | enum { |
| 21 | XMIT_SZ_8BIT, |
| 22 | XMIT_SZ_16BIT, |
| 23 | XMIT_SZ_32BIT, |
| 24 | XMIT_SZ_128BIT, |
| 25 | XMIT_SZ_256BIT, |
| 26 | }; |
| 27 | |
| 28 | /* |
| 29 | * The DMA count is defined as the number of bytes to transfer. |
| 30 | */ |
David Rientjes | d16aaffa | 2007-05-09 02:35:28 -0700 | [diff] [blame] | 31 | static unsigned int ts_shift[] __maybe_unused = { |
Paul Mundt | 5283ecb | 2006-09-27 15:59:17 +0900 | [diff] [blame] | 32 | [XMIT_SZ_8BIT] = 0, |
| 33 | [XMIT_SZ_16BIT] = 1, |
| 34 | [XMIT_SZ_32BIT] = 2, |
| 35 | [XMIT_SZ_128BIT] = 4, |
| 36 | [XMIT_SZ_256BIT] = 5, |
| 37 | }; |
| 38 | |
| 39 | #endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */ |