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authorTony Lindgren <tony@atomide.com>2006-09-25 12:45:45 +0300
committerTony Lindgren <tony@atomide.com>2006-09-25 12:45:45 +0300
commit709eb3e5ccb304dca011c41456da5ffd246d7271 (patch)
treef9d3c1bc97f1a4f51150f14f70d9fee648bbdb50 /include/asm-arm/arch-omap
parentddc32a87497d8806e361cfe7168f173396fe9219 (diff)
downloadblackbird-op-linux-709eb3e5ccb304dca011c41456da5ffd246d7271.tar.gz
blackbird-op-linux-709eb3e5ccb304dca011c41456da5ffd246d7271.zip
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>
Diffstat (limited to 'include/asm-arm/arch-omap')
-rw-r--r--include/asm-arm/arch-omap/dma.h12
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);
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