strip the kernel version suffix from target directories, except for brcm-2.4 (the...
[openwrt/staging/wigyori.git] / target / linux / rb532 / files / include / asm-mips / rc32434 / dma_v.h
diff --git a/target/linux/rb532/files/include/asm-mips/rc32434/dma_v.h b/target/linux/rb532/files/include/asm-mips/rc32434/dma_v.h
new file mode 100644 (file)
index 0000000..81cb405
--- /dev/null
@@ -0,0 +1,72 @@
+#ifndef __IDT_DMA_V_H__
+#define __IDT_DMA_V_H__
+
+/*******************************************************************************
+ *
+ * Copyright 2002 Integrated Device Technology, Inc.
+ *             All rights reserved.
+ *
+ * DMA register definition.
+ *
+ * File   : $Id: dma.h,v 1.3 2002/06/06 18:34:03 astichte Exp $
+ *
+ * Author : ryan.holmQVist@idt.com
+ * Date   : 20011005
+ * Update :
+ *         $Log: dma.h,v $
+ *         Revision 1.3  2002/06/06 18:34:03  astichte
+ *         Added XXX_PhysicalAddress and XXX_VirtualAddress
+ *     
+ *         Revision 1.2  2002/06/05 18:30:46  astichte
+ *         Removed IDTField
+ *     
+ *         Revision 1.1  2002/05/29 17:33:21  sysarch
+ *         jba File moved from vcode/include/idt/acacia
+ *     
+ *
+ ******************************************************************************/
+#include  <asm/rc32434/dma.h> 
+#include  <asm/rc32434/rc32434.h>
+#define DMA_CHAN_OFFSET  0x14
+#define IS_DMA_USED(X) (((X) & (DMAD_f_m | DMAD_d_m | DMAD_t_m)) != 0)
+#define DMA_COUNT(count)   \
+  ((count) & DMAD_count_m)
+
+#define DMA_HALT_TIMEOUT 500
+
+
+static inline int rc32434_halt_dma(DMA_Chan_t ch)
+{
+       int timeout=1;
+       if (local_readl(&ch->dmac) & DMAC_run_m) {
+               local_writel(0, &ch->dmac); 
+               for (timeout = DMA_HALT_TIMEOUT; timeout > 0; timeout--) {
+                       if (local_readl(&ch->dmas) & DMAS_h_m) {
+                               local_writel(0, &ch->dmas);  
+                               break;
+                       }
+               }
+       }
+
+       return timeout ? 0 : 1;
+}
+
+static inline void rc32434_start_dma(DMA_Chan_t ch, u32 dma_addr)
+{
+       local_writel(0, &ch->dmandptr); 
+       local_writel(dma_addr, &ch->dmadptr);
+}
+
+static inline void rc32434_chain_dma(DMA_Chan_t ch, u32 dma_addr)
+{
+       local_writel(dma_addr, &ch->dmandptr);
+}
+
+#endif // __IDT_DMA_V_H__
+
+
+
+
+
+
+