X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fmmc%2Fhost.h;h=8b08ef3820f2623c2ac32c9c899713740c38e054;hb=c4028958b6ecad064b1a6303a6a5906d4fe48d73;hp=a74a810a130299eb057e91adc6bb77cc66e62d2a;hpb=00b137cfda5276b3d2c87d44236fe4c5ee68b405;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index a74a810..8b08ef3 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -46,16 +46,28 @@ struct mmc_ios {
 #define MMC_BUSMODE_OPENDRAIN	1
 #define MMC_BUSMODE_PUSHPULL	2
 
+	unsigned char	chip_select;		/* SPI chip select */
+
+#define MMC_CS_DONTCARE		0
+#define MMC_CS_HIGH		1
+#define MMC_CS_LOW		2
+
 	unsigned char	power_mode;		/* power supply mode */
 
 #define MMC_POWER_OFF		0
 #define MMC_POWER_UP		1
 #define MMC_POWER_ON		2
+
+	unsigned char	bus_width;		/* data bus width */
+
+#define MMC_BUS_WIDTH_1		0
+#define MMC_BUS_WIDTH_4		2
 };
 
 struct mmc_host_ops {
 	void	(*request)(struct mmc_host *host, struct mmc_request *req);
 	void	(*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
+	int	(*get_ro)(struct mmc_host *host);
 };
 
 struct mmc_card;
@@ -64,11 +76,17 @@ struct device;
 struct mmc_host {
 	struct device		*dev;
 	struct class_device	class_dev;
-	struct mmc_host_ops	*ops;
+	int			index;
+	const struct mmc_host_ops *ops;
 	unsigned int		f_min;
 	unsigned int		f_max;
 	u32			ocr_avail;
-	char			host_name[8];
+
+	unsigned long		caps;		/* Host capabilities */
+
+#define MMC_CAP_4_BIT_DATA	(1 << 0)	/* Can the host do 4 bit transfers */
+#define MMC_CAP_MULTIWRITE	(1 << 1)	/* Can accurately report bytes sent to card on error */
+#define MMC_CAP_BYTEBLOCK	(1 << 2)	/* Can do non-log2 block sizes */
 
 	/* host specific block data */
 	unsigned int		max_seg_size;	/* see blk_queue_max_segment_size */
@@ -81,6 +99,10 @@ struct mmc_host {
 	struct mmc_ios		ios;		/* current io bus settings */
 	u32			ocr;		/* the current OCR setting */
 
+	unsigned int		mode;		/* current card mode of host */
+#define MMC_MODE_MMC		0
+#define MMC_MODE_SD		1
+
 	struct list_head	cards;		/* devices attached to this host */
 
 	wait_queue_head_t	wq;
@@ -88,7 +110,9 @@ struct mmc_host {
 	struct mmc_card		*card_busy;	/* the MMC card claiming host */
 	struct mmc_card		*card_selected;	/* the selected MMC card */
 
-	struct work_struct	detect;
+	struct delayed_work	detect;
+
+	unsigned long		private[0] ____cacheline_aligned;
 };
 
 extern struct mmc_host *mmc_alloc_host(int extra, struct device *);
@@ -96,14 +120,18 @@ extern int mmc_add_host(struct mmc_host *);
 extern void mmc_remove_host(struct mmc_host *);
 extern void mmc_free_host(struct mmc_host *);
 
-#define mmc_priv(x)	((void *)((x) + 1))
+static inline void *mmc_priv(struct mmc_host *host)
+{
+	return (void *)host->private;
+}
+
 #define mmc_dev(x)	((x)->dev)
-#define mmc_hostname(x)	((x)->host_name)
+#define mmc_hostname(x)	((x)->class_dev.class_id)
 
 extern int mmc_suspend_host(struct mmc_host *, pm_message_t);
 extern int mmc_resume_host(struct mmc_host *);
 
-extern void mmc_detect_change(struct mmc_host *);
+extern void mmc_detect_change(struct mmc_host *, unsigned long delay);
 extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
 
 #endif