OMAP: McBSP: Add link DMA mode selection

[sfrench/cifs-2.6.git] / arch / arm / plat-omap / include / mach / mcbsp.h

diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index 832330d7cb39abf2ffa39f8e85c36c36e46781f2..bd5b759991c879105e4d64807d23e5021282cc2b 100644 (file)
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -255,6 +255,11 @@
 /********************** McBSP SYSCONFIG bit definitions ********************/
 #define SOFTRST                        0x0002
 
+/********************** McBSP DMA operating modes **************************/
+#define MCBSP_DMA_MODE_ELEMENT         0
+#define MCBSP_DMA_MODE_THRESHOLD       1
+#define MCBSP_DMA_MODE_FRAME           2
+
 /* we don't do multichannel for now */
 struct omap_mcbsp_reg_cfg {
        u16 spcr2;
@@ -385,6 +390,7 @@ struct omap_mcbsp {
        struct clk *iclk;
        struct clk *fclk;
 #ifdef CONFIG_ARCH_OMAP34XX
+       int dma_op_mode;
        u16 max_tx_thres;
        u16 max_rx_thres;
 #endif
@@ -401,6 +407,7 @@ void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
 void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
 u16 omap_mcbsp_get_max_tx_threshold(unsigned int id);
 u16 omap_mcbsp_get_max_rx_threshold(unsigned int id);
+int omap_mcbsp_get_dma_op_mode(unsigned int id);
 #else
 static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
 { }
@@ -408,6 +415,7 @@ static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
 { }
 static inline u16 omap_mcbsp_get_max_tx_threshold(unsigned int id) { return 0; }
 static inline u16 omap_mcbsp_get_max_rx_threshold(unsigned int id) { return 0; }
+static inline int omap_mcbsp_get_dma_op_mode(unsigned int id) { return 0; }
 #endif
 int omap_mcbsp_request(unsigned int id);
 void omap_mcbsp_free(unsigned int id);