This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-sh / cpu-sh4 / dma-sh7780.h

diff --git a/include/asm-sh/cpu-sh4/dma-sh7780.h b/include/asm-sh/cpu-sh4/dma-sh7780.h
new file mode 100644 (file)
index 0000000..6c90d28
--- /dev/null
+++ b/include/asm-sh/cpu-sh4/dma-sh7780.h
@@ -0,0 +1,39 @@
+#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 */