Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-sh / cpu-sh3 / dma.h

diff --git a/include/asm-sh/cpu-sh3/dma.h b/include/asm-sh/cpu-sh3/dma.h
index b972e71..954801b 100644 (file)
--- a/include/asm-sh/cpu-sh3/dma.h
+++ b/include/asm-sh/cpu-sh3/dma.h
@@ -3,5 +3,34 @@
 
 #define SH_DMAC_BASE   0xa4000020
 
-#endif /* __ASM_CPU_SH3_DMA_H */
+/* Definitions for the SuperH DMAC */
+#define TM_BURST       0x00000020
+#define TS_8           0x00000000
+#define TS_16          0x00000008
+#define TS_32          0x00000010
+#define TS_128         0x00000018
+
+#define CHCR_TS_MASK   0x18
+#define CHCR_TS_SHIFT  3
+
+#define DMAOR_INIT     DMAOR_DME
 
+/*
+ * The SuperH DMAC supports a number of transmit sizes, we list them here,
+ * with their respective values as they appear in the CHCR registers.
+ */
+enum {
+       XMIT_SZ_8BIT,
+       XMIT_SZ_16BIT,
+       XMIT_SZ_32BIT,
+       XMIT_SZ_128BIT,
+};
+
+static unsigned int ts_shift[] __attribute__ ((used)) = {
+       [XMIT_SZ_8BIT]          = 0,
+       [XMIT_SZ_16BIT]         = 1,
+       [XMIT_SZ_32BIT]         = 2,
+       [XMIT_SZ_128BIT]        = 4,
+};
+
+#endif /* __ASM_CPU_SH3_DMA_H */