X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-blackfin%2Fdma.h;h=c0d5259e315b05f155d3bcc9dd299b5fb0062679;hb=a1362fe92f1bde687b3a9e93d6b8d105d0a84f74;hp=be0d913e5516271b240d1c691c074344bfc6cf36;hpb=334d0dd8b660557608142f0f77abc6812b48f08b;p=linux-2.6-omap-h63xx.git

diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
index be0d913e551..c0d5259e315 100644
--- a/include/asm-blackfin/dma.h
+++ b/include/asm-blackfin/dma.h
@@ -33,7 +33,6 @@
 #include <linux/slab.h>
 #include <asm/irq.h>
 #include <asm/signal.h>
-#include <asm/semaphore.h>
 
 #include <linux/kernel.h>
 #include <asm/mach/dma.h>
@@ -76,6 +75,9 @@ enum dma_chan_status {
 #define INTR_ON_BUF    2
 #define INTR_ON_ROW    3
 
+#define DMA_NOSYNC_KEEP_DMA_BUF	0
+#define DMA_SYNC_RESTART	1
+
 struct dmasg {
 	unsigned long next_desc_addr;
 	unsigned long start_addr;
@@ -109,9 +111,7 @@ struct dma_register {
 
 	unsigned long curr_desc_ptr;	/* DMA Current Descriptor Pointer
 					   register */
-	unsigned short curr_addr_ptr_lo;	/* DMA Current Address Pointer
-						   register */
-	unsigned short curr_addr_ptr_hi;	/* DMA Current Address Pointer
+	unsigned long curr_addr_ptr;	/* DMA Current Address Pointer
 						   register */
 	unsigned short irq_status;	/* DMA irq status register */
 	unsigned short dummy6;
@@ -152,18 +152,24 @@ struct dma_channel {
 /* functions to set register mode */
 void set_dma_start_addr(unsigned int channel, unsigned long addr);
 void set_dma_next_desc_addr(unsigned int channel, unsigned long addr);
+void set_dma_curr_desc_addr(unsigned int channel, unsigned long addr);
 void set_dma_x_count(unsigned int channel, unsigned short x_count);
 void set_dma_x_modify(unsigned int channel, short x_modify);
 void set_dma_y_count(unsigned int channel, unsigned short y_count);
 void set_dma_y_modify(unsigned int channel, short y_modify);
 void set_dma_config(unsigned int channel, unsigned short config);
 unsigned short set_bfin_dma_config(char direction, char flow_mode,
-				   char intr_mode, char dma_mode, char width);
+				   char intr_mode, char dma_mode, char width,
+				   char syncmode);
+void set_dma_curr_addr(unsigned int channel, unsigned long addr);
 
 /* get curr status for polling */
 unsigned short get_dma_curr_irqstat(unsigned int channel);
 unsigned short get_dma_curr_xcount(unsigned int channel);
 unsigned short get_dma_curr_ycount(unsigned int channel);
+unsigned long get_dma_next_desc_ptr(unsigned int channel);
+unsigned long get_dma_curr_desc_ptr(unsigned int channel);
+unsigned long get_dma_curr_addr(unsigned int channel);
 
 /* set large DMA mode descriptor */
 void set_dma_sg(unsigned int channel, struct dmasg *sg, int nr_sg);
@@ -185,4 +191,7 @@ void clear_dma_irqstat(unsigned int channel);
 void *dma_memcpy(void *dest, const void *src, size_t count);
 void *safe_dma_memcpy(void *dest, const void *src, size_t count);
 
+extern int channel2irq(unsigned int channel);
+extern struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL];
+
 #endif