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Diffstat (limited to 'include/linux/spi/dw_spi.h')
-rw-r--r--include/linux/spi/dw_spi.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/spi/dw_spi.h b/include/linux/spi/dw_spi.h
index c91302f3a25..b2ecf9f1f97 100644
--- a/include/linux/spi/dw_spi.h
+++ b/include/linux/spi/dw_spi.h
@@ -1,5 +1,6 @@
#ifndef DW_SPI_HEADER_H
#define DW_SPI_HEADER_H
+
#include <linux/io.h>
/* Bit fields in CTRLR0 */
@@ -82,6 +83,13 @@ struct dw_spi_reg {
though only low 16 bits matters */
} __packed;
+struct dw_spi;
+struct dw_spi_dma_ops {
+ int (*dma_init)(struct dw_spi *dws);
+ void (*dma_exit)(struct dw_spi *dws);
+ int (*dma_transfer)(struct dw_spi *dws, int cs_change);
+};
+
struct dw_spi {
struct spi_master *master;
struct spi_device *cur_dev;
@@ -143,6 +151,9 @@ struct dw_spi {
u64 rx_param;
struct device *dma_dev;
dma_addr_t dma_addr;
+ struct dw_spi_dma_ops *dma_ops;
+ void *dma_priv; /* platform relate info */
+ struct pci_dev *dmac;
/* Bus interface info */
void *priv;
@@ -216,4 +227,8 @@ extern int dw_spi_add_host(struct dw_spi *dws);
extern void dw_spi_remove_host(struct dw_spi *dws);
extern int dw_spi_suspend_host(struct dw_spi *dws);
extern int dw_spi_resume_host(struct dw_spi *dws);
+extern void dw_spi_xfer_done(struct dw_spi *dws);
+
+/* platform related setup */
+extern int dw_spi_mid_init(struct dw_spi *dws); /* Intel MID platforms */
#endif /* DW_SPI_HEADER_H */