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

[linux-2.6.git] / include / asm-blackfin / dma.h

diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
index b42a531e7a1b9d90497652897e6ca7d4cd104f3f..b469505af3642ef24c55a48bad402dd127a81c6c 100644 (file)
--- 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);