4 files changed, 52 insertions, 2 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index aefedf04b9b..18fc77f682d 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -33,6 +33,13 @@ struct mmc_csd {
 	unsigned int		capacity;
 };
 
+struct sd_scr {
+	unsigned char		sda_vsn;
+	unsigned char		bus_widths;
+#define SD_SCR_BUS_WIDTH_1	(1<<0)
+#define SD_SCR_BUS_WIDTH_4	(1<<2)
+};
+
 struct mmc_host;
 
 /*
@@ -47,19 +54,27 @@ struct mmc_card {
 #define MMC_STATE_PRESENT	(1<<0)		/* present in sysfs */
 #define MMC_STATE_DEAD		(1<<1)		/* device no longer in stack */
 #define MMC_STATE_BAD		(1<<2)		/* unrecognised device */
+#define MMC_STATE_SDCARD	(1<<3)		/* is an SD card */
+#define MMC_STATE_READONLY	(1<<4)		/* card is read-only */
 	u32			raw_cid[4];	/* raw card CID */
 	u32			raw_csd[4];	/* raw card CSD */
+	u32			raw_scr[2];	/* raw card SCR */
 	struct mmc_cid		cid;		/* card identification */
 	struct mmc_csd		csd;		/* card specific */
+	struct sd_scr		scr;		/* extra SD information */
 };
 
 #define mmc_card_present(c)	((c)->state & MMC_STATE_PRESENT)
 #define mmc_card_dead(c)	((c)->state & MMC_STATE_DEAD)
 #define mmc_card_bad(c)		((c)->state & MMC_STATE_BAD)
+#define mmc_card_sd(c)		((c)->state & MMC_STATE_SDCARD)
+#define mmc_card_readonly(c)	((c)->state & MMC_STATE_READONLY)
 
 #define mmc_card_set_present(c)	((c)->state |= MMC_STATE_PRESENT)
 #define mmc_card_set_dead(c)	((c)->state |= MMC_STATE_DEAD)
 #define mmc_card_set_bad(c)	((c)->state |= MMC_STATE_BAD)
+#define mmc_card_set_sd(c)	((c)->state |= MMC_STATE_SDCARD)
+#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 
 #define mmc_card_name(c)	((c)->cid.prod_name)
 #define mmc_card_id(c)		((c)->dev.bus_id)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 9a0893f3249..c1f021eddff 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;
@@ -70,6 +82,10 @@ struct mmc_host {
 	unsigned int		f_max;
 	u32			ocr_avail;
 
+	unsigned long		caps;		/* Host capabilities */
+
+#define MMC_CAP_4_BIT_DATA	(1 << 0)	/* Can the host do 4 bit transfers */
+
 	/* host specific block data */
 	unsigned int		max_seg_size;	/* see blk_queue_max_segment_size */
 	unsigned short		max_hw_segs;	/* see blk_queue_max_hw_segments */
@@ -81,6 +97,10 @@ 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;
@@ -89,6 +109,8 @@ struct mmc_host {
 	struct mmc_card		*card_selected;	/* the selected MMC card */
 
 	struct work_struct	detect;
+
+	unsigned long		private[0] ____cacheline_aligned;
 };
 
 extern struct mmc_host *mmc_alloc_host(int extra, struct device *);
@@ -96,14 +118,18 @@ 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)->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
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 0d35d4ffb36..1ab78e8d6c5 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -88,6 +88,8 @@ struct mmc_card;
 
 extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
 extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
+extern int mmc_wait_for_app_cmd(struct mmc_host *, unsigned int,
+	struct mmc_command *, int);
 
 extern int __mmc_claim_host(struct mmc_host *host, struct mmc_card *card);
 
diff --git a/include/linux/mmc/protocol.h b/include/linux/mmc/protocol.h
index 896342817b9..f819cae9226 100644
--- a/include/linux/mmc/protocol.h
+++ b/include/linux/mmc/protocol.h
@@ -236,5 +236,12 @@ struct _mmc_csd {
 #define CSD_SPEC_VER_2      2           /* Implements system specification 2.0 - 2.2 */
 #define CSD_SPEC_VER_3      3           /* Implements system specification 3.1 */
 
+
+/*
+ * SD bus widths
+ */
+#define SD_BUS_WIDTH_1      0
+#define SD_BUS_WIDTH_4      2
+
 #endif  /* MMC_MMC_PROTOCOL_H */