s3c2410mci.h

ARM嵌入式linux这本书上的源代码,可以直接使用,很好的.

/*
 *  linux/drivers/mmc/s3c2410mci.h - Samsung S3C2410 SDI Interface driver
 *
 */

struct clk;

#define S3C2410SDI_DMA 0
#define MMC_ERR_BUSY	6
#define MMC_ERR_DMA	7
#define MMC_HOST_WIDEMODE	1
#define S3C2410_SDIDCON_BLKNUM_MASK (0xFFF) 
#define S3C2410_SDICMDCON_SENDERHOST (1<<6)
#define MMC_DATA_WIDE	(1 << 11)


enum s3c2410sdi_waitfor {
	COMPLETION_NONE,
	COMPLETION_CMDSENT,
	COMPLETION_RSPFIN,
	COMPLETION_XFERFINISH,
	COMPLETION_XFERFINISH_RSPFIN,
};

struct s3c2410sdi_host {
	struct mmc_host		*mmc;

	struct resource		*mem;
	struct clk		*clk;
	void __iomem		*base;
	int			irq;
	int			irq_cd;
	int			dma;
#ifdef S3C2410SDI_DMA_BACKBUF
	dma_addr_t		 dmabuf_phys;
	void			*dmabuf_log;
	unsigned int		 dmabuf_size;
#endif
	
	struct mmc_request	*mrq;

	spinlock_t		complete_lock;
	struct completion	complete_request;
	struct completion	complete_dma;
	enum s3c2410sdi_waitfor	complete_what;
};