2 files changed, 28 insertions, 3 deletions

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index a9fab831caf8..7847e197730a 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -125,4 +125,13 @@ struct amba_device name##_device = {				\
         .periphid = id,                                         \
 }
 
+/*
+ * module_amba_driver() - Helper macro for drivers that don't do anything
+ * special in module init/exit.  This eliminates a lot of boilerplate.  Each
+ * module may only use this macro once, and calling it replaces module_init()
+ * and module_exit()
+ */
+#define module_amba_driver(__amba_drv) \
+        module_driver(__amba_drv, amba_driver_register, amba_driver_unregister)
+
 #endif
diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h
index 0101e9c17fa1..32a89cf5ec45 100644
--- a/include/linux/amba/mmci.h
+++ b/include/linux/amba/mmci.h
@@ -6,6 +6,19 @@
 
 #include <linux/mmc/host.h>
 
+
+/*
+ * These defines is places here due to access is needed from machine
+ * configuration files. The ST Micro version does not have ROD and
+ * reuse the voltage registers for direction settings.
+ */
+#define MCI_ST_DATA2DIREN       (1 << 2)
+#define MCI_ST_CMDDIREN         (1 << 3)
+#define MCI_ST_DATA0DIREN       (1 << 4)
+#define MCI_ST_DATA31DIREN      (1 << 5)
+#define MCI_ST_FBCLKEN          (1 << 7)
+#define MCI_ST_DATA74DIREN      (1 << 8)
+
 /* Just some dummy forwarding */
 struct dma_chan;
 
@@ -18,7 +31,8 @@ struct dma_chan;
  * @ocr_mask: available voltages on the 4 pins from the block, this
  * is ignored if a regulator is used, see the MMC_VDD_* masks in
  * mmc/host.h
- * @vdd_handler: a callback function to translate a MMC_VDD_*
+ * @ios_handler: a callback function to act on specfic ios changes,
+ * used for example to control a levelshifter
  * mask into a value to be binary (or set some other custom bits
  * in MMCIPWR) or:ed and written into the MMCIPWR register of the
  * block.  May also control external power based on the power_mode.
@@ -31,6 +45,8 @@ struct dma_chan;
  * @capabilities: the capabilities of the block as implemented in
  * this platform, signify anything MMC_CAP_* from mmc/host.h
  * @capabilities2: more capabilities, MMC_CAP2_* from mmc/host.h
+ * @sigdir: a bit field indicating for what bits in the MMC bus the host
+ * should enable signal direction indication.
  * @dma_filter: function used to select an appropriate RX and TX
  * DMA channel to be used for DMA, if and only if you're deploying the
  * generic DMA engine
@@ -46,14 +62,14 @@ struct dma_chan;
 struct mmci_platform_data {
         unsigned int f_max;
         unsigned int ocr_mask;
-        u32 (*vdd_handler)(struct device *, unsigned int vdd,
-                           unsigned char power_mode);
+        int (*ios_handler)(struct device *, struct mmc_ios *);
         unsigned int (*status)(struct device *);
         int     gpio_wp;
         int     gpio_cd;
         bool    cd_invert;
         unsigned long capabilities;
         unsigned long capabilities2;
+        u32 sigdir;
         bool (*dma_filter)(struct dma_chan *chan, void *filter_param);
         void *dma_rx_param;
         void *dma_tx_param;