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Diffstat (limited to 'arch/arm/include/asm/mach/dma.h')
-rw-r--r--arch/arm/include/asm/mach/dma.h35
1 files changed, 16 insertions, 19 deletions
diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h
index fc7278ea7146..9e614a18e680 100644
--- a/arch/arm/include/asm/mach/dma.h
+++ b/arch/arm/include/asm/mach/dma.h
@@ -15,13 +15,13 @@ struct dma_struct;
15typedef struct dma_struct dma_t; 15typedef struct dma_struct dma_t;
16 16
17struct dma_ops { 17struct dma_ops {
18 int (*request)(dmach_t, dma_t *); /* optional */ 18 int (*request)(unsigned int, dma_t *); /* optional */
19 void (*free)(dmach_t, dma_t *); /* optional */ 19 void (*free)(unsigned int, dma_t *); /* optional */
20 void (*enable)(dmach_t, dma_t *); /* mandatory */ 20 void (*enable)(unsigned int, dma_t *); /* mandatory */
21 void (*disable)(dmach_t, dma_t *); /* mandatory */ 21 void (*disable)(unsigned int, dma_t *); /* mandatory */
22 int (*residue)(dmach_t, dma_t *); /* optional */ 22 int (*residue)(unsigned int, dma_t *); /* optional */
23 int (*setspeed)(dmach_t, dma_t *, int); /* optional */ 23 int (*setspeed)(unsigned int, dma_t *, int); /* optional */
24 char *type; 24 const char *type;
25}; 25};
26 26
27struct dma_struct { 27struct dma_struct {
@@ -34,24 +34,21 @@ struct dma_struct {
34 unsigned int active:1; /* Transfer active */ 34 unsigned int active:1; /* Transfer active */
35 unsigned int invalid:1; /* Address/Count changed */ 35 unsigned int invalid:1; /* Address/Count changed */
36 36
37 dmamode_t dma_mode; /* DMA mode */ 37 unsigned int dma_mode; /* DMA mode */
38 int speed; /* DMA speed */ 38 int speed; /* DMA speed */
39 39
40 unsigned int lock; /* Device is allocated */ 40 unsigned int lock; /* Device is allocated */
41 const char *device_id; /* Device name */ 41 const char *device_id; /* Device name */
42 42
43 unsigned int dma_base; /* Controller base address */ 43 const struct dma_ops *d_ops;
44 int dma_irq; /* Controller IRQ */
45 struct scatterlist cur_sg; /* Current controller buffer */
46 unsigned int state;
47
48 struct dma_ops *d_ops;
49}; 44};
50 45
51/* Prototype: void arch_dma_init(dma) 46/*
52 * Purpose : Initialise architecture specific DMA 47 * isa_dma_add - add an ISA-style DMA channel
53 * Params : dma - pointer to array of DMA structures
54 */ 48 */
55extern void arch_dma_init(dma_t *dma); 49extern int isa_dma_add(unsigned int, dma_t *dma);
56 50
57extern void isa_init_dma(dma_t *dma); 51/*
52 * Add the ISA DMA controller. Always takes channels 0-7.
53 */
54extern void isa_init_dma(void);