1 files changed, 57 insertions, 25 deletions

diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 299118de8933..22fc258b12aa 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -10,18 +10,6 @@
  */
 
 /*
- * PCI registers
- */
-
-#define PCI_SDHCI_IFPIO                 0x00
-#define PCI_SDHCI_IFDMA                 0x01
-#define PCI_SDHCI_IFVENDOR              0x02
-
-#define PCI_SLOT_INFO                   0x40    /* 8 bits */
-#define  PCI_SLOT_INFO_SLOTS(x)         ((x >> 4) & 7)
-#define  PCI_SLOT_INFO_FIRST_BAR_MASK   0x07
-
-/*
  * Controller registers
  */
 
@@ -162,10 +150,43 @@
 #define  SDHCI_SPEC_VER_MASK    0x00FF
 #define  SDHCI_SPEC_VER_SHIFT   0
 
-struct sdhci_chip;
+struct sdhci_ops;
 
 struct sdhci_host {
-        struct sdhci_chip       *chip;
+        /* Data set by hardware interface driver */
+        const char              *hw_name;       /* Hardware bus name */
+
+        unsigned int            quirks;         /* Deviations from spec. */
+
+/* Controller doesn't honor resets unless we touch the clock register */
+#define SDHCI_QUIRK_CLOCK_BEFORE_RESET                  (1<<0)
+/* Controller has bad caps bits, but really supports DMA */
+#define SDHCI_QUIRK_FORCE_DMA                           (1<<1)
+/* Controller doesn't like to be reset when there is no card inserted. */
+#define SDHCI_QUIRK_NO_CARD_NO_RESET                    (1<<2)
+/* Controller doesn't like clearing the power reg before a change */
+#define SDHCI_QUIRK_SINGLE_POWER_WRITE                  (1<<3)
+/* Controller has flaky internal state so reset it on each ios change */
+#define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS               (1<<4)
+/* Controller has an unusable DMA engine */
+#define SDHCI_QUIRK_BROKEN_DMA                          (1<<5)
+/* Controller can only DMA from 32-bit aligned addresses */
+#define SDHCI_QUIRK_32BIT_DMA_ADDR                      (1<<6)
+/* Controller can only DMA chunk sizes that are a multiple of 32 bits */
+#define SDHCI_QUIRK_32BIT_DMA_SIZE                      (1<<7)
+/* Controller needs to be reset after each request to stay stable */
+#define SDHCI_QUIRK_RESET_AFTER_REQUEST                 (1<<8)
+/* Controller needs voltage and power writes to happen separately */
+#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER             (1<<9)
+/* Controller has an off-by-one issue with timeout value */
+#define SDHCI_QUIRK_INCR_TIMEOUT_CONTROL                (1<<10)
+
+        int                     irq;            /* Device IRQ */
+        void __iomem *          ioaddr;         /* Mapped address */
+
+        const struct sdhci_ops  *ops;           /* Low level hw interface */
+
+        /* Internal data */
         struct mmc_host         *mmc;           /* MMC structure */
 
 #ifdef CONFIG_LEDS_CLASS
@@ -194,22 +215,33 @@ struct sdhci_host {
         int                     offset;         /* Offset into current sg */
         int                     remain;         /* Bytes left in current */
 
-        int                     irq;            /* Device IRQ */
-        int                     bar;            /* PCI BAR index */
-        unsigned long           addr;           /* Bus address */
-        void __iomem *          ioaddr;         /* Mapped address */
-
         struct tasklet_struct   card_tasklet;   /* Tasklet structures */
         struct tasklet_struct   finish_tasklet;
 
         struct timer_list       timer;          /* Timer for timeouts */
-};
 
-struct sdhci_chip {
-        struct pci_dev          *pdev;
+        unsigned long           private[0] ____cacheline_aligned;
+};
 
-        unsigned long           quirks;
 
-        int                     num_slots;      /* Slots on controller */
-        struct sdhci_host       *hosts[0];      /* Pointers to hosts */
+struct sdhci_ops {
+        int             (*enable_dma)(struct sdhci_host *host);
 };
+
+
+extern struct sdhci_host *sdhci_alloc_host(struct device *dev,
+        size_t priv_size);
+extern void sdhci_free_host(struct sdhci_host *host);
+
+static inline void *sdhci_priv(struct sdhci_host *host)
+{
+        return (void *)host->private;
+}
+
+extern int sdhci_add_host(struct sdhci_host *host);
+extern void sdhci_remove_host(struct sdhci_host *host);
+
+#ifdef CONFIG_PM
+extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state);
+extern int sdhci_resume_host(struct sdhci_host *host);
+#endif