Blackfin arch: dma add some API and cleanup bf54x DMA definition

Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
index b42a531e7a1b..b469505af364 100644
--- a/include/asm-blackfin/dma.h
+++ b/include/asm-blackfin/dma.h
@@ -109,9 +109,7 @@ 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;
@@ -166,6 +164,9 @@ void set_dma_curr_addr(unsigned int channel, unsigned long addr);
 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);