#include <linux/scatterlist.h>
#include <linux/mmc/core.h>
+#include <linux/dmaengine.h>
#define MAX_MCI_SLOTS 2
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.
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;
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);