Merge branch 'vhost' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

[pandora-kernel.git] / arch / arm / plat-omap / include / plat / mcbsp.h

diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index d93fa44..3974835 100644 (file)
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -49,6 +49,9 @@
 
 #define OMAP34XX_MCBSP1_BASE   0x48074000
 #define OMAP34XX_MCBSP2_BASE   0x49022000
+#define OMAP34XX_MCBSP2_ST_BASE        0x49028000
+#define OMAP34XX_MCBSP3_BASE   0x49024000
+#define OMAP34XX_MCBSP3_ST_BASE        0x4902A000
 #define OMAP34XX_MCBSP3_BASE   0x49024000
 #define OMAP34XX_MCBSP4_BASE   0x49026000
 #define OMAP34XX_MCBSP5_BASE   0x48096000
@@ -146,6 +149,15 @@
 #define OMAP_MCBSP_REG_WAKEUPEN        0xA8
 #define OMAP_MCBSP_REG_XCCR    0xAC
 #define OMAP_MCBSP_REG_RCCR    0xB0
+#define OMAP_MCBSP_REG_SSELCR  0xBC
+
+#define OMAP_ST_REG_REV                0x00
+#define OMAP_ST_REG_SYSCONFIG  0x10
+#define OMAP_ST_REG_IRQSTATUS  0x18
+#define OMAP_ST_REG_IRQENABLE  0x1C
+#define OMAP_ST_REG_SGAINCR    0x24
+#define OMAP_ST_REG_SFIRCR     0x28
+#define OMAP_ST_REG_SSELCR     0x2C
 
 #define AUDIO_MCBSP_DATAWRITE  (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DXR1)
 #define AUDIO_MCBSP_DATAREAD   (OMAP24XX_MCBSP2_BASE + OMAP_MCBSP_REG_DRR1)
@@ -264,6 +276,24 @@
 #define ENAWAKEUP              0x0004
 #define SOFTRST                        0x0002
 
+/********************** McBSP SSELCR bit definitions ***********************/
+#define SIDETONEEN             0x0400
+
+/********************** McBSP Sidetone SYSCONFIG bit definitions ***********/
+#define ST_AUTOIDLE            0x0001
+
+/********************** McBSP Sidetone SGAINCR bit definitions *************/
+#define ST_CH1GAIN(value)      ((value<<16))   /* Bits 16:31 */
+#define ST_CH0GAIN(value)      (value)         /* Bits 0:15 */
+
+/********************** McBSP Sidetone SFIRCR bit definitions **************/
+#define ST_FIRCOEFF(value)     (value)         /* Bits 0:15 */
+
+/********************** McBSP Sidetone SSELCR bit definitions **************/
+#define ST_COEFFWRDONE         0x0004
+#define ST_COEFFWREN           0x0002
+#define ST_SIDETONEEN          0x0001
+
 /********************** McBSP DMA operating modes **************************/
 #define MCBSP_DMA_MODE_ELEMENT         0
 #define MCBSP_DMA_MODE_THRESHOLD       1
@@ -374,10 +404,22 @@ struct omap_mcbsp_platform_data {
        u16 rx_irq, tx_irq;
        struct omap_mcbsp_ops *ops;
 #ifdef CONFIG_ARCH_OMAP3
+       /* Sidetone block for McBSP 2 and 3 */
+       unsigned long phys_base_st;
        u16 buffer_size;
 #endif
 };
 
+struct omap_mcbsp_st_data {
+       void __iomem *io_base_st;
+       bool running;
+       bool enabled;
+       s16 taps[128];  /* Sidetone filter coefficients */
+       int nr_taps;    /* Number of filter coefficients in use */
+       s16 ch0gain;
+       s16 ch1gain;
+};
+
 struct omap_mcbsp {
        struct device *dev;
        unsigned long phys_base;
@@ -410,13 +452,15 @@ struct omap_mcbsp {
        struct clk *iclk;
        struct clk *fclk;
 #ifdef CONFIG_ARCH_OMAP3
+       struct omap_mcbsp_st_data *st_data;
        int dma_op_mode;
        u16 max_tx_thres;
        u16 max_rx_thres;
 #endif
+       void *reg_cache;
 };
 extern struct omap_mcbsp **mcbsp_ptr;
-extern int omap_mcbsp_count;
+extern int omap_mcbsp_count, omap_mcbsp_cache_size;
 
 int omap_mcbsp_init(void);
 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
@@ -458,4 +502,21 @@ int omap_mcbsp_pollread(unsigned int id, u16 * buf);
 int omap_mcbsp_pollwrite(unsigned int id, u16 buf);
 int omap_mcbsp_set_io_type(unsigned int id, omap_mcbsp_io_type_t io_type);
 
+#ifdef CONFIG_ARCH_OMAP3
+/* Sidetone specific API */
+int omap_st_set_chgain(unsigned int id, int channel, s16 chgain);
+int omap_st_get_chgain(unsigned int id, int channel, s16 *chgain);
+int omap_st_enable(unsigned int id);
+int omap_st_disable(unsigned int id);
+int omap_st_is_enabled(unsigned int id);
+#else
+static inline int omap_st_set_chgain(unsigned int id, int channel,
+                                    s16 chgain) { return 0; }
+static inline int omap_st_get_chgain(unsigned int id, int channel,
+                                    s16 *chgain) { return 0; }
+static inline int omap_st_enable(unsigned int id) { return 0; }
+static inline int omap_st_disable(unsigned int id) { return 0; }
+static inline int omap_st_is_enabled(unsigned int id) {  return 0; }
+#endif
+
 #endif