diff options
| author | Eero Nurkkala <ext-eero.nurkkala@nokia.com> | 2010-02-22 15:21:11 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-02-23 21:57:39 +0300 |
| commit | d912fa9255845ffd8029482d408b6139344891c8 (patch) | |
| tree | 2e11f12cbabe7078a1edf705a4d19c2a9188a694 /arch/arm/plat-omap/include/plat/mcbsp.h | |
| parent | bce066836644f12b239b86bbfdd475d7b24b9a49 (diff) | |
| download | linux-d912fa9255845ffd8029482d408b6139344891c8.tar.xz | |
McBSP: OMAP3: Add sidetone feature
Add sidetone feature to McBSP instances 2 and 3 on OMAP3 based devices.
Signed-off-by: Ilkka Koskinen <ilkka.koskinen@nokia.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tested-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/include/plat/mcbsp.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mcbsp.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h index 4df957b1d252..39748354ce45 100644 --- 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; @@ -410,6 +452,7 @@ 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; @@ -459,4 +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 |