| #ifndef __ASM_SH_CPU_SH4_DMA_SH7780_H |
| #define __ASM_SH_CPU_SH4_DMA_SH7780_H |
| |
| #define REQ_HE 0x000000C0 |
| #define REQ_H 0x00000080 |
| #define REQ_LE 0x00000040 |
| #define TM_BURST 0x0000020 |
| #define TS_8 0x00000000 |
| #define TS_16 0x00000008 |
| #define TS_32 0x00000010 |
| #define TS_16BLK 0x00000018 |
| #define TS_32BLK 0x00100000 |
| |
| /* |
| * The SuperH DMAC supports a number of transmit sizes, we list them here, |
| * with their respective values as they appear in the CHCR registers. |
| * |
| * Defaults to a 64-bit transfer size. |
| */ |
| enum { |
| XMIT_SZ_8BIT, |
| XMIT_SZ_16BIT, |
| XMIT_SZ_32BIT, |
| XMIT_SZ_128BIT, |
| XMIT_SZ_256BIT, |
| }; |
| |
| /* |
| * The DMA count is defined as the number of bytes to transfer. |
| */ |
| static unsigned int __attribute__ ((used)) ts_shift[] = { |
| [XMIT_SZ_8BIT] = 0, |
| [XMIT_SZ_16BIT] = 1, |
| [XMIT_SZ_32BIT] = 2, |
| [XMIT_SZ_128BIT] = 4, |
| [XMIT_SZ_256BIT] = 5, |
| }; |
| |
| #endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */ |