blob: f7b0bb90f358b64a00d6ae911c609506c68a41bf [file] [log] [blame]
Bob Liu52a310c2012-08-16 11:10:41 +08001/*
2 * Distributed DMA Engine (DDE) Masks
3 */
4
5#ifndef __BFIN_PERIPHERAL_DDE__
6#define __BFIN_PERIPHERAL_DDE__
7
8/* DMA_CONFIG Masks */
9#define DMAEN (1 << DMAEN_P) /* DMA Channel Enable */
10#define WNR (1 << WNR_P) /* Channel Direction (W/R*) */
11#define SYNC (1 << SYNC_P) /* Sync Work Unit Transitions */
12#define CADDR (1 << CADDR_P) /* Use Current Address */
13#define PSIZE (7 << PSIZE_P) /* Peripheral Word Size */
14#define PSIZE_1 (0 << PSIZE_P)
15#define PSIZE_2 (1 << PSIZE_P)
16#define PSIZE_4 (2 << PSIZE_P)
17#define PSIZE_8 (3 << PSIZE_P)
18#define MSIZE (7 << MSIZE_P) /* Memory Transfer Size */
19#define MSIZE_1 (0 << MSIZE_P)
20#define MSIZE_2 (1 << MSIZE_P)
21#define MSIZE_4 (2 << MSIZE_P)
22#define MSIZE_8 (3 << MSIZE_P)
23#define MSIZE_16 (4 << MSIZE_P)
24#define MSIZE_32 (5 << MSIZE_P)
25#define FLOW (7 << FLOW_P) /* Next Operation */
26#define FLOW_STOP (0 << FLOW_P) /* Stop Mode */
27#define FLOW_AUTO (1 << FLOW_P) /* Autobuffer Mode */
28#define FLOW_DSCL (4 << FLOW_P) /* Descriptor List */
29#define FLOW_DSCA (5 << FLOW_P) /* Descriptor Array */
30#define FLOW_DSDL (6 << FLOW_P) /* Descriptor On Demand List */
31#define FLOW_DSDA (7 << FLOW_P) /* Descriptor On Demand Array */
32#define NDSIZE (7 << NDSIZE_P) /* Next Descriptor Set Size */
33#define NDSIZE_1 (0 << NDSIZE_P)
34#define NDSIZE_2 (1 << NDSIZE_P)
35#define NDSIZE_3 (2 << NDSIZE_P)
36#define NDSIZE_4 (3 << NDSIZE_P)
37#define NDSIZE_5 (4 << NDSIZE_P)
38#define NDSIZE_6 (5 << NDSIZE_P)
39#define NDSIZE_7 (6 << NDSIZE_P)
40#define DI_EN_X (1 << INT_P)
41#define DI_EN_Y (2 << INT_P)
42#define DI_EN_P (3 << INT_P)
43#define DI_EN (DI_EN_X)
44#define DI_XCOUNT_EN (1 << INT_P) /* xcount expires interrupt */
45#define TRIG (3 << TRIG_P) /* Generate Trigger */
46#define TOVEN (1 << TOVEN_P)
47#define DESCIDCPY (1 << DESCIDCPY_P)
48#define TWOD (1 << TWOD_P)
49#define PDRF (1 << PDRF_P)
50
51#define DMAEN_P 0
52#define WNR_P 1
53#define SYNC_P 2
54#define CADDR_P 3
55#define PSIZE_P 4
56#define MSIZE_P 8
57#define FLOW_P 12
58#define TWAIT_P 15
59#define NDSIZE_P 16
60#define INT_P 20
61#define TRIG_P 22
62#define TOVEN_P 24
63#define DESCIDCPY_P 25
64#define TWOD_P 26
65#define PDRF_P 28
66
67/* DMA_STATUS Masks */
68#define DMA_DONE (1 << DMA_DONE_P) /* Work Unit/Row Done */
69#define DMA_ERR (1 << DMA_ERR_P) /* Error Interrupt */
70#define DMA_PIRQ (1 << DMA_PIRQ_P) /* Peri Intr Request */
71#define DMA_ERRC (7 << DMA_ERRC_P) /* Error Cause */
72#define DMA_RUN (7 << DMA_RUN_P) /* Run Status */
73#define DMA_PBWIDTH (3 << DMA_PBWIDTH_P) /* Peri Bus Width */
74#define DMA_MBWIDTH (3 << DMA_MBWIDTH_P) /* Memory Bus Width */
75#define DMA_FIFOFILL (7 << DMA_FIFOFILL_P) /* FIFO Fill Status */
76#define DMA_TWAIT (1 << DMA_TWAIT_P) /* Trigger Wait Stat */
77
78#define DMA_DONE_P 0
79#define DMA_ERR_P 1
80#define DMA_PIRQ_P 2
81#define DMA_ERRC_P 4
82#define DMA_RUN_P 8
83#define DMA_PBWIDTH_P 12
84#define DMA_MBWIDTH_P 14
85#define DMA_FIFOFILL_P 16
86#define DMA_TWAIT_P 20
87
88#endif