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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 14:03:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-28 14:03:14 -0700
commit0fe41b8982001cd14ee2c77cd776735a5024e98b (patch)
tree83e65d595c413d55259ea14fb97748ce5efe5707 /arch/arm/include/asm/mach/dma.h
parenteedf2c5296a8dfaaf9aec1a938c1d3bd73159a30 (diff)
parent9759d22c8348343b0da4e25d6150c41712686c14 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits) [ARM] 5435/1: fix compile warning in sanity_check_meminfo() [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0 [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins imxfb: Fix TFT mode i.MX21/27: remove ifdef CONFIG_FB_IMX imxfb: add clock support mxc: add arch_reset() function clkdev: add possibility to get a clock based on the device name i.MX1: remove fb support from mach-imx [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined Gemini: Add support for Teltonika RUT100 Gemini: gpiolib based GPIO support v2 MAINTAINERS: add myself as Gemini architecture maintainer ARM: Add Gemini architecture v3 [ARM] OMAP: Fix compile for omap2_init_common_hw() MAINTAINERS: Add myself as Faraday ARM core variant maintainer ARM: Add support for FA526 v2 [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h [ARM] collie: fix two minor formatting nits ...
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 fc7278ea714..9e614a18e68 100644
--- a/arch/arm/include/asm/mach/dma.h
+++ b/arch/arm/include/asm/mach/dma.h
@@ -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);