1 files changed, 21 insertions, 2 deletions

diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h
index 134c57422740..f67b2ec18e6d 100644
--- a/include/linux/mmc/dw_mmc.h
+++ b/include/linux/mmc/dw_mmc.h
@@ -16,6 +16,7 @@
 
 #include <linux/scatterlist.h>
 #include <linux/mmc/core.h>
+#include <linux/dmaengine.h>
 
 #define MAX_MCI_SLOTS   2
 
@@ -40,6 +41,17 @@ enum {
 
 struct mmc_data;
 
+enum {
+        TRANS_MODE_PIO = 0,
+        TRANS_MODE_IDMAC,
+        TRANS_MODE_EDMAC
+};
+
+struct dw_mci_dma_slave {
+        struct dma_chan *ch;
+        enum dma_transfer_direction direction;
+};
+
 /**
  * struct dw_mci - MMC controller state shared between all slots
  * @lock: Spinlock protecting the queue and associated data.
@@ -154,7 +166,14 @@ struct dw_mci {
         dma_addr_t              sg_dma;
         void                    *sg_cpu;
         const struct dw_mci_dma_ops     *dma_ops;
+        /* For idmac */
         unsigned int            ring_size;
+
+        /* For edmac */
+        struct dw_mci_dma_slave *dms;
+        /* Registers's physical base address */
+        void                    *phy_regs;
+
         u32                     cmd_status;
         u32                     data_status;
         u32                     stop_cmdr;
@@ -208,8 +227,8 @@ struct dw_mci {
 struct dw_mci_dma_ops {
         /* DMA Ops */
         int (*init)(struct dw_mci *host);
-        void (*start)(struct dw_mci *host, unsigned int sg_len);
-        void (*complete)(struct dw_mci *host);
+        int (*start)(struct dw_mci *host, unsigned int sg_len);
+        void (*complete)(void *host);
         void (*stop)(struct dw_mci *host);
         void (*cleanup)(struct dw_mci *host);
         void (*exit)(struct dw_mci *host);