X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Fwm8731.h;h=3404d0286bfa1e8fb52ba6ff8ab60a010a7d7236;hb=1ebcf9b89595826a5c158ae6a68d4c2407b1dd52;hp=78269dcf1f19049b40f31a00e3fc7418a74b2d2a;hpb=0c3aff9d12e6c2b45c85f2e4f0639b6acb1fab16;p=bertos.git diff --git a/bertos/drv/wm8731.h b/bertos/drv/wm8731.h index 78269dcf..3404d028 100644 --- a/bertos/drv/wm8731.h +++ b/bertos/drv/wm8731.h @@ -36,20 +36,170 @@ * * $WIZ$ module_name = "wm8731" * $WIZ$ module_configuration = "bertos/cfg/cfg_wm8731.h" - * $WIZ$ module_depends = "i2c" * $WIZ$ module_hw = "bertos/hw/hw_wm8731.h" + * $WIZ$ module_depends = "i2c" + * */ #ifndef DRV_WM8731_H #define DRV_WM8731_H +#include + #include +/* Reset register*/ +#define WM8731_REG_RESET 0x0F + +/* Left Line in register */ +#define WM8731_REG_LEFT_LINEIN 0x0 +#define WM8731_LINVOL_BITS_MASK 0x1F // Left line input volume control +#define WM8731_LINMUTE_BIT 7 // Left line input mute to ADC +#define WM8731_LRINBOTH_BIT 8 // Left to right channel line input volume and mute data load control + +/* Right Line in register */ +#define WM8731_REG_RIGHT_LINEIN 0x1 +#define WM8731_RINVOL_BITS_MASK 0x1F // Right line input volume control +#define WM8731_RINMUTE_BIT 7 // Right line input mute to ADC +#define WM8731_RLINBOTH_BIT 8 // Right to right channel line input volume and mute data load control + +/* Left Headphone out register*/ +#define WM8731_REG_LEFT_HPOUT 0x2 +#define WM8731_LHPVOL_BITS_MASK 0x7F // Left channel headphone output volume control +#define WM8731_LZCEN_BIT 7 // Left channel zero cross detect enable +#define WM8731_LRHPBOTH_BIT 8 // Left to right channel headphone volume, mute and zero cross data load control + +/* Right Headphone out register*/ +#define WM8731_REG_RIGHT_HPOUT 0x3 +#define WM8731_RHPVOL_BITS_MASK 0x7F // Right channel headphone output volume control +#define WM8731_RZCEN_BIT 7 // Right channel zero cross detect enable +#define WM8731_RLHPBOTH_BIT 8 // Right to right channel headphone volume, mute and zero cross data load control + +/* Analogue audio path control register*/ +#define WM8731_REG_ANALOGUE_PATH_CTRL 0x4 +#define WM8731_MICBOOST 0 // Microphone Input Level Boost +#define WM8731_MUTEMIC 1 // Line input Mute to ADC +/** + * Input selector + * $WIZ$ wm8731_insel = "WM8731_INSEL_MIC", "WM8731_INSEL_LINEIN" + */ +#define WM8731_INSEL 2 // Microphone/Line Select to ADC +#define WM8731_INSEL_MIC BV(WM8731_INSEL) // Microphone Select to ADC +#define WM8731_INSEL_LINEIN ~BV(WM8731_INSEL) // Line in Select to ADC +/** + * Input to output + * $WIZ$ wm8731_bypass = "WM8731_BYPASS", "WM8731_DACSEL", "WM8731_SIDETONE" + */ +#define WM8731_BYPASS BV(3) // Bypass switch +#define WM8731_DACSEL BV(4) // DAC select +#define WM8731_SIDETONE BV(5) // Side tone switch +/** + * Side tone attenuation + * $WIZ$ wm8731_sideatt = "WM8731_SIDEATT_15dB", "WM8731_SIDEATT_12dB", "WM8731_SIDEATT_9dB", "WM8731_SIDEATT_6dB" + */ +#define WM8731_SIDEATT_MASK 0xC0 // Side tone attenuation +#define WM8731_SIDEATT_15dB 0xC0 // -15dB +#define WM8731_SIDEATT_12dB 0x80 // -12dB +#define WM8731_SIDEATT_9dB 0x40 // -9dB +#define WM8731_SIDEATT_6dB 0x00 // -6dB + + +/* Digital audio path control register*/ +#define WM8731_REG_DIGITAL_PATH_CTRL 0x5 +#define WM8731_ADCHPD 0 // ADC high pass filter enable +/** + * De-emphasis control + * $WIZ$ wm8731_deemp = "WM8731_DEEMP_48kHz", "WM8731_DEEMP_44k1Hz", "WM8731_DEEMP_32kHz", "WM8731_DEEMP_DISABLE" + */ +#define WM8731_DEEMP_MASK 0x6 // De-emphasis control +#define WM8731_DEEMP_48kHz 0x6 // 48kHz +#define WM8731_DEEMP_44k1Hz 0x4 // 44.1kHz +#define WM8731_DEEMP_32kHz 0x2 // 32kHz +#define WM8731_DEEMP_DISABLE 0x0 // Disable +#define WM8731_DACMU 3 // DAC Soft Mute control + +/* Power down control register*/ +#define WM8731_REG_PWDOWN_CTRL 0x6 +#define WM8731_LINEINPD BV(0) ///< LineIn power down +#define WM8731_MICPD BV(1) ///< Mic power down +#define WM8731_ADCPD BV(2) ///< ADC power down +#define WM8731_DACPD BV(3) ///< DAC power down +#define WM8731_OUTPD BV(4) ///< OUT power down +#define WM8731_OSCBIT BV(5) ///< OSC power down +#define WM8731_CLKOUTPD BV(6) ///< CLKOUT powerdown +#define WM8731_POWEROFF_BIT 7 // Power off device + +/* Interface format register*/ +#define WM8731_REG_DA_INTERFACE_FORMAT 0x7 +/** + * Audio format + * $WIZ$ wm8731_fmt = "WM8731_FORMAT_MSB_LEFT_JUSTIFIED", "WM8731_FORMAT_MSB_RIGHT_JUSTIFIED", "WM8731_FORMAT_I2S", "WM8731_FORMAT_DSP" + */ +#define WM8731_FORMAT_BITS_MASK 0x3 // Format +#define WM8731_FORMAT_MSB_LEFT_JUSTIFIED 0x0 // MSB-First, left justified +#define WM8731_FORMAT_MSB_RIGHT_JUSTIFIED 0x1 // MSB-First, right justified +#define WM8731_FORMAT_I2S 0x2 //I2S Format, MSB-First left-1 justified +#define WM8731_FORMAT_DSP 0x3 //DSP Mode, frame sync + 2 data packed words +/** + * Audio format + * $WIZ$ wm8731_databit = "WM8731_IWL_16_BIT", "WM8731_IWL_20_BIT", "WM8731_IWL_24_BIT", "WM8731_IWL_32_BIT" + */ +#define WM8731_IWL_BITS 0xC // Input audio data bit length select +#define WM8731_IWL_16_BIT 0x0 // 16 bit +#define WM8731_IWL_20_BIT 0x4 // 20 bit +#define WM8731_IWL_24_BIT 0x8 // 24 bit +#define WM8731_IWL_32_BIT 0xC // 32 bit +#define WM8731_IRP_BITS 4 // DACLRC phase control +#define WM8731_IRSWAP_BIT 5 // DAC Left right clock swap +#define WM8731_MS_BIT 6 // Master slave mode control +#define WM8731_BCLKINV_BIT 7 // Bit clock invert + +/* Sampling control*/ +#define WM8731_REG_SAMPLECTRL 0x8 +#define WM8731_USBNORMAL_BIT 0 // Mode select, usb mode, normal mode +#define WM8731_BOSR_BIT 1 // Base over-sampling rate +#define WM8731_SR_BITS_MASK 0x3C // Sample rate control +#define WM8731_CLKIDIV2_BIT 6 // Core clock divider select +#define WM8731_CLKODIV2_BIT 7 // CLKOUT divider select +/** + * Sampling rate control + * $WIZ$ wm8731_sample_rate = "WM8731_NORMAL_256FS_48KHZ", "WM8731_NORMAL_256FS_44_1KHZ", "WM8731_NORMAL_384FS_44_1KHZ" + */ +#define WM8731_NORMAL_256FS_48KHZ 0 +#define WM8731_NORMAL_256FS_44_1KHZ 0x20 +#define WM8731_NORMAL_384FS_44_1KHZ 0x22 +#define WM8731_NORMAL_128FS_44_1KHZ 0x3E + +/* Active control register*/ +#define WM8731_REG_ACTIVE_CTRL 0x9 +#define WM8731_ACTIVE_BIT 0 // Activate interface + + typedef struct Wm8731 { I2c *i2c; + uint8_t addr; } Wm8731; -void wm8731_init(Wm8731 *ctx, I2c *i2c); + +/** + * Devices which is possible to set volume + * \} + */ +#define WM8731_LINE_IN BV(0) +#define WM8731_HEADPHONE BV(1) +/* \} */ + +/** + * Set the volume of select device line in or Headphone. + * The volume is express in %, and the volume range is 0-100%. + */ +void wm8731_setVolume(Wm8731 *ctx, uint16_t device, uint8_t volume); +void wm8731_powerOn(Wm8731 *ctx); +void wm8731_powerOff(Wm8731 *ctx); +void wm8731_powerOnDevices(Wm8731 *ctx, uint16_t device); +void wm8731_powerOffDevices(Wm8731 *ctx, uint16_t device); + +void wm8731_init(Wm8731 *ctx, I2c *i2c, uint8_t codec_addr); #endif /* DRV_WM8731_H */