ARM: OMAP: Sync DMA with linux-omap tree

This patch syncs OMAP DMA code with linux-omap tree.
Mostly allow changing DMA callback function and set
OMAP2 specific transfer mode.

Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 11 insertions, 1 deletions

diff --git a/include/asm-arm/arch-omap/dma.h b/include/asm-arm/arch-omap/dma.h
index 33cd48d9a853..d591d0585bba 100644
--- a/include/asm-arm/arch-omap/dma.h
+++ b/include/asm-arm/arch-omap/dma.h
@@ -331,6 +331,12 @@ enum omap_dma_color_mode {
         OMAP_DMA_TRANSPARENT_COPY
 };
 
+enum omap_dma_write_mode {
+        OMAP_DMA_WRITE_NON_POSTED = 0,
+        OMAP_DMA_WRITE_POSTED,
+        OMAP_DMA_WRITE_LAST_NON_POSTED
+};
+
 struct omap_dma_channel_params {
         int data_type;          /* data type 8,16,32 */
         int elem_count;         /* number of elements in a frame */
@@ -356,7 +362,7 @@ struct omap_dma_channel_params {
 };
 
 
-extern void omap_set_dma_priority(int dst_port, int priority);
+extern void omap_set_dma_priority(int lch, int dst_port, int priority);
 extern int omap_request_dma(int dev_id, const char *dev_name,
                             void (* callback)(int lch, u16 ch_status, void *data),
                             void *data, int *dma_ch);
@@ -371,6 +377,7 @@ extern void omap_set_dma_transfer_params(int lch, int data_type,
                                          int dma_trigger, int src_or_dst_synch);
 extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode,
                                     u32 color);
+extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode);
 
 extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
                                     unsigned long src_start,
@@ -394,6 +401,9 @@ extern void omap_set_dma_params(int lch,
 extern void omap_dma_link_lch (int lch_head, int lch_queue);
 extern void omap_dma_unlink_lch (int lch_head, int lch_queue);
 
+extern int omap_set_dma_callback(int lch,
+                        void (* callback)(int lch, u16 ch_status, void *data),
+                        void *data);
 extern dma_addr_t omap_get_dma_src_pos(int lch);
 extern dma_addr_t omap_get_dma_dst_pos(int lch);
 extern int omap_get_dma_src_addr_counter(int lch);