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authorMike Frysinger <vapier@gentoo.org>2009-10-20 13:20:21 -0400
committerMike Frysinger <vapier@gentoo.org>2009-12-15 00:14:59 -0500
commit00d2460454676344a55a03f03fa284ad69325592 (patch)
tree7885d8dcdeb1ffc026bc4888e1074ce7b8133c7a /arch/blackfin/include/asm/dma.h
parentc6feb7682885f732a264ef589ee44edb1a3d45f2 (diff)
Blackfin: unify DMA masks
Every Blackfin variant has the same DMA bit masks, so avoid duplicating them over and over in each mach header. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/include/asm/dma.h')
-rw-r--r--arch/blackfin/include/asm/dma.h69
1 files changed, 49 insertions, 20 deletions
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index e3c0dfa73d1b..5eb29502bbe4 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -16,36 +16,65 @@
16 16
17#define MAX_DMA_ADDRESS PAGE_OFFSET 17#define MAX_DMA_ADDRESS PAGE_OFFSET
18 18
19/***************************************************************************** 19/* DMA_CONFIG Masks */
20* Generic DMA Declarations 20#define DMAEN 0x0001 /* DMA Channel Enable */
21* 21#define WNR 0x0002 /* Channel Direction (W/R*) */
22****************************************************************************/ 22#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */
23#define WDSIZE_16 0x0004 /* Transfer Word Size = 16 */
24#define WDSIZE_32 0x0008 /* Transfer Word Size = 32 */
25#define DMA2D 0x0010 /* DMA Mode (2D/1D*) */
26#define RESTART 0x0020 /* DMA Buffer Clear */
27#define DI_SEL 0x0040 /* Data Interrupt Timing Select */
28#define DI_EN 0x0080 /* Data Interrupt Enable */
29#define NDSIZE_0 0x0000 /* Next Descriptor Size = 0 (Stop/Autobuffer) */
30#define NDSIZE_1 0x0100 /* Next Descriptor Size = 1 */
31#define NDSIZE_2 0x0200 /* Next Descriptor Size = 2 */
32#define NDSIZE_3 0x0300 /* Next Descriptor Size = 3 */
33#define NDSIZE_4 0x0400 /* Next Descriptor Size = 4 */
34#define NDSIZE_5 0x0500 /* Next Descriptor Size = 5 */
35#define NDSIZE_6 0x0600 /* Next Descriptor Size = 6 */
36#define NDSIZE_7 0x0700 /* Next Descriptor Size = 7 */
37#define NDSIZE_8 0x0800 /* Next Descriptor Size = 8 */
38#define NDSIZE_9 0x0900 /* Next Descriptor Size = 9 */
39#define NDSIZE 0x0f00 /* Next Descriptor Size */
40#define DMAFLOW 0x7000 /* Flow Control */
41#define DMAFLOW_STOP 0x0000 /* Stop Mode */
42#define DMAFLOW_AUTO 0x1000 /* Autobuffer Mode */
43#define DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */
44#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */
45#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List Mode */
46
47/* DMA_IRQ_STATUS Masks */
48#define DMA_DONE 0x0001 /* DMA Completion Interrupt Status */
49#define DMA_ERR 0x0002 /* DMA Error Interrupt Status */
50#define DFETCH 0x0004 /* DMA Descriptor Fetch Indicator */
51#define DMA_RUN 0x0008 /* DMA Channel Running Indicator */
23 52
24/*------------------------- 53/*-------------------------
25 * config reg bits value 54 * config reg bits value
26 *-------------------------*/ 55 *-------------------------*/
27#define DATA_SIZE_8 0 56#define DATA_SIZE_8 0
28#define DATA_SIZE_16 1 57#define DATA_SIZE_16 1
29#define DATA_SIZE_32 2 58#define DATA_SIZE_32 2
30 59
31#define DMA_FLOW_STOP 0 60#define DMA_FLOW_STOP 0
32#define DMA_FLOW_AUTO 1 61#define DMA_FLOW_AUTO 1
33#define DMA_FLOW_ARRAY 4 62#define DMA_FLOW_ARRAY 4
34#define DMA_FLOW_SMALL 6 63#define DMA_FLOW_SMALL 6
35#define DMA_FLOW_LARGE 7 64#define DMA_FLOW_LARGE 7
36 65
37#define DIMENSION_LINEAR 0 66#define DIMENSION_LINEAR 0
38#define DIMENSION_2D 1 67#define DIMENSION_2D 1
39 68
40#define DIR_READ 0 69#define DIR_READ 0
41#define DIR_WRITE 1 70#define DIR_WRITE 1
42 71
43#define INTR_DISABLE 0 72#define INTR_DISABLE 0
44#define INTR_ON_BUF 2 73#define INTR_ON_BUF 2
45#define INTR_ON_ROW 3 74#define INTR_ON_ROW 3
46 75
47#define DMA_NOSYNC_KEEP_DMA_BUF 0 76#define DMA_NOSYNC_KEEP_DMA_BUF 0
48#define DMA_SYNC_RESTART 1 77#define DMA_SYNC_RESTART 1
49 78
50struct dmasg { 79struct dmasg {
51 void *next_desc_addr; 80 void *next_desc_addr;