1 files changed, 28 insertions, 2 deletions

diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 9a0893f3249e..c1f021eddffa 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