Blackfin arch: dma add some API and cleanup bf54x DMA definition
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
index b42a531e..b469505 100644
--- a/include/asm-blackfin/dma.h
+++ b/include/asm-blackfin/dma.h
@@ -109,9 +109,7 @@
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;
@@ -166,6 +164,9 @@
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);