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Merge branch 'dma' into devel

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Conflicts:

	arch/arm/plat-mxc/dma-mx1-mx2.c
This commit is contained in:
Russell King
2009-02-21 21:42:50 +00:00
committed by Russell King
parent 423145a5d4 fa4e998999
commit 22b61a11fd
13 changed files with 292 additions and 238 deletions
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35
arch/arm/include/asm/mach/dma.h
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@@ -15,13 +15,13 @@ struct dma_struct;
typedef struct dma_struct dma_t;
struct dma_ops {
int (*request)(dmach_t, dma_t *); /* optional */
void (*free)(dmach_t, dma_t *); /* optional */
void (*enable)(dmach_t, dma_t *); /* mandatory */
void (*disable)(dmach_t, dma_t *); /* mandatory */
int (*residue)(dmach_t, dma_t *); /* optional */
int (*setspeed)(dmach_t, dma_t *, int); /* optional */
char *type;
int (*request)(unsigned int, dma_t *); /* optional */
void (*free)(unsigned int, dma_t *); /* optional */
void (*enable)(unsigned int, dma_t *); /* mandatory */
void (*disable)(unsigned int, dma_t *); /* mandatory */
int (*residue)(unsigned int, dma_t *); /* optional */
int (*setspeed)(unsigned int, dma_t *, int); /* optional */
const char *type;
};
struct dma_struct {
@@ -34,24 +34,21 @@ struct dma_struct {
unsigned int active:1; /* Transfer active */
unsigned int invalid:1; /* Address/Count changed */
dmamode_t dma_mode; /* DMA mode */
unsigned int dma_mode; /* DMA mode */
int speed; /* DMA speed */
unsigned int lock; /* Device is allocated */
const char *device_id; /* Device name */
unsigned int dma_base; /* Controller base address */
int dma_irq; /* Controller IRQ */
struct scatterlist cur_sg; /* Current controller buffer */
unsigned int state;
struct dma_ops *d_ops;
const struct dma_ops *d_ops;
};
/* Prototype: void arch_dma_init(dma)
* Purpose : Initialise architecture specific DMA
* Params : dma - pointer to array of DMA structures
/*
* isa_dma_add - add an ISA-style DMA channel
*/
extern void arch_dma_init(dma_t *dma);
extern int isa_dma_add(unsigned int, dma_t *dma);
extern void isa_init_dma(dma_t *dma);
/*
* Add the ISA DMA controller. Always takes channels 0-7.
*/
extern void isa_init_dma(void);