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

[linux-2.6.git] / arch / arm / mach-s3c2410 / dma.h

diff --git a/arch/arm/mach-s3c2410/dma.h b/arch/arm/mach-s3c2410/dma.h
new file mode 100644 (file)
index 0000000..0ebfe0a
--- /dev/null
+++ b/arch/arm/mach-s3c2410/dma.h
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+/* arch/arm/mach-s3c2410/dma.h
+ *
+ * Copyright (C) 2006 Simtec Electronics
+ *     Ben Dooks <ben@simtec.co.uk>
+ *
+ * Samsung S3C24XX DMA support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+extern struct sysdev_class dma_sysclass;
+extern struct s3c2410_dma_chan s3c2410_chans[S3C2410_DMA_CHANNELS];
+
+#define DMA_CH_VALID           (1<<31)
+
+struct s3c24xx_dma_addr {
+       unsigned long           from;
+       unsigned long           to;
+};
+
+/* struct s3c24xx_dma_map
+ *
+ * this holds the mapping information for the channel selected
+ * to be connected to the specified device
+*/
+
+struct s3c24xx_dma_map {
+       const char              *name;
+       struct s3c24xx_dma_addr  hw_addr;
+
+       unsigned long            channels[S3C2410_DMA_CHANNELS];
+};
+
+struct s3c24xx_dma_selection {
+       struct s3c24xx_dma_map  *map;
+       unsigned long            map_size;
+       unsigned long            dcon_mask;
+
+       void    (*select)(struct s3c2410_dma_chan *chan,
+                         struct s3c24xx_dma_map *map);
+};
+
+extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel);