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);
diff --git a/include/asm-blackfin/mach-bf548/defBF549.h b/include/asm-blackfin/mach-bf548/defBF549.h
index 50b3fe5..4e46d65 100644
--- a/include/asm-blackfin/mach-bf548/defBF549.h
+++ b/include/asm-blackfin/mach-bf548/defBF549.h
@@ -1178,7 +1178,7 @@
/* Bit masks for HOST_STATUS */
-#define READY 0x1 /* DMA Ready */
+#define DMA_READY 0x1 /* DMA Ready */
#define FIFOFULL 0x2 /* FIFO Full */
#define FIFOEMPTY 0x4 /* FIFO Empty */
#define DMA_COMPLETE 0x8 /* DMA Complete */
diff --git a/include/asm-blackfin/mach-bf548/defBF54x_base.h b/include/asm-blackfin/mach-bf548/defBF54x_base.h
index d40db5c..1d365c8 100644
--- a/include/asm-blackfin/mach-bf548/defBF54x_base.h
+++ b/include/asm-blackfin/mach-bf548/defBF54x_base.h
@@ -3303,7 +3303,7 @@
#define MFD 0xf000 /* Multi channel Frame Delay */
#define FSDR 0x80 /* Frame Sync to Data Relationship */
-#define MCMEM 0x10 /* Multi channel Frame Mode Enable */
+#define MCMEN 0x10 /* Multi channel Frame Mode Enable */
#define MCDRXPE 0x8 /* Multi channel DMA Receive Packing */
#define MCDTXPE 0x4 /* Multi channel DMA Transmit Packing */
#define MCCRM 0x3 /* 2X Clock Recovery Mode */
diff --git a/include/asm-blackfin/mach-bf548/dma.h b/include/asm-blackfin/mach-bf548/dma.h
index 14cb10c..4d97d3a 100644
--- a/include/asm-blackfin/mach-bf548/dma.h
+++ b/include/asm-blackfin/mach-bf548/dma.h
@@ -70,5 +70,5 @@
#define MAX_BLACKFIN_DMA_CHANNEL 32
extern int channel2irq(unsigned int channel);
-extern struct dma_register *base_addr[];
+extern struct dma_register *base_addr[MAX_BLACKFIN_DMA_CHANNEL];
#endif