diff options
Diffstat (limited to 'firmware/drivers')
| -rw-r--r-- | firmware/drivers/audio/wm8751.c | 153 |
1 files changed, 103 insertions, 50 deletions
diff --git a/firmware/drivers/audio/wm8751.c b/firmware/drivers/audio/wm8751.c index 2adbdcaa56..6e37a91ed7 100644 --- a/firmware/drivers/audio/wm8751.c +++ b/firmware/drivers/audio/wm8751.c @@ -42,6 +42,14 @@ const struct sound_settings_info audiohw_settings[] = { [SOUND_BALANCE] = {"%", 0, 1,-100, 100, 0}, [SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0}, [SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100}, +#ifdef AUDIOHW_HAVE_DEPTH_3D + [SOUND_DEPTH_3D] = {"", 0, 1, 0, 15, 0}, +#endif +#ifdef HAVE_RECORDING + [SOUND_LEFT_GAIN] = {"dB", 1, 1,-172, 300, 0}, + [SOUND_RIGHT_GAIN] = {"dB", 1, 1,-172, 300, 0}, + [SOUND_MIC_GAIN] = {"dB", 1, 1,-172, 300, 0}, +#endif }; /* Flags used in combination with settings */ @@ -110,7 +118,7 @@ static int recvol2hw(int value) /* 010111 == 0dB (0x17) */ /* 000000 == -17.25dB */ - return (3*(value/10 - 0x17))/4; + return ((4*(value))/30 + 0x17); } #endif static void audiohw_mute(bool mute) @@ -167,6 +175,14 @@ void audiohw_postinit(void) /* 4. Enable line and / or headphone output buffers as required. */ #if defined(MROBE_100) || defined(MPIO_HD200) + /* fix for high pitch noise after power-up on HD200 + * it is *NOT* required step according to the + * Datasheet for WM8750L but real life is different :-) + */ + wmcodec_write(LOUT1, LOUT1_BITS); + wmcodec_write(ROUT1, ROUT1_BITS); + + /* power-up output stage */ wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR | PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1); #else @@ -196,16 +212,6 @@ void audiohw_postinit(void) #endif #endif -#ifdef MPIO_HD200 - /* Crude fix for high pitch noise at startup - * I should find out what realy causes this - */ - wmcodec_write(LOUT1, LOUT1_BITS|0x7f); - wmcodec_write(ROUT1, ROUT1_BITS|0x7f); - wmcodec_write(LOUT1, LOUT1_BITS); - wmcodec_write(ROUT1, ROUT1_BITS); -#endif - /* lower power consumption */ wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K); @@ -276,10 +282,12 @@ void audiohw_close(void) wmcodec_write(PWRMGMT1, 0x0); } +/* According to datasheet of WM8750 + * clocking setup is needed in both slave and master mode + */ void audiohw_set_frequency(int fsel) { (void)fsel; -#ifndef CODEC_SLAVE static const unsigned char srctrl_table[HW_NUM_FREQ] = { HW_HAVE_11_([HW_FREQ_11] = CODEC_SRCTRL_11025HZ,) @@ -292,10 +300,23 @@ void audiohw_set_frequency(int fsel) fsel = HW_FREQ_DEFAULT; wmcodec_write(CLOCKING, srctrl_table[fsel]); -#endif } #if defined(HAVE_WM8750) +#ifdef AUDIOHW_HAVE_DEPTH_3D +/* Set the depth of the 3D effect */ +void audiohw_set_depth_3d(int val) +{ + if (val) + wmcodec_write(ENHANCE_3D, + ENHANCE_3D_MODE3D_PLAYBACK | ENHANCE_3D_DEPTH(val) | + ENHANCE_3D_3DEN); + else + wmcodec_write(ENHANCE_3D,ENHANCE_3D_MODE3D_PLAYBACK); +} +#endif + +#ifdef HAVE_RECORDING void audiohw_set_recsrc(int source, bool recording) { /* INPUT1 - FM radio @@ -307,17 +328,30 @@ void audiohw_set_recsrc(int source, bool recording) * turn on output buffer(s) * * if recording == true we route input signal to PGA - * and monitoring picks up signal after PGA in analog domain + * and monitoring picks up signal after PGA and ADC * turn on ADC, PGA, DAC, output buffer(s) */ switch(source) { case AUDIO_SRC_PLAYBACK: - /* mute PGA, disable all audio paths but DAC and output stage*/ - wmcodec_write(LINVOL, LINVOL_LINMUTE | LINVOL_LINVOL(23)); /* 0dB */ - wmcodec_write(RINVOL, RINVOL_RINMUTE | RINVOL_RINVOL(23)); /* 0dB */ + /* turn off DAC and ADC in order to setup Enchance 3D function + * for playback. This does not turn on enchancement but + * the switch between playback/record has to be done with + * DAC and ADC off + */ +#ifdef AUDIOHW_HAVE_DEPTH_3D wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K); + wmcodec_write(PWRMGMT2, 0x00); + wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_PLAYBACK); +#endif + /* mute PGA, disable all audio paths but DAC and output stage*/ + wmcodec_write(LINVOL, LINVOL_LINMUTE | LINVOL_LINVOL(0x17)); /* 0dB */ + wmcodec_write(RINVOL, RINVOL_RINMUTE | RINVOL_RINVOL(0x17)); /* 0dB */ + + wmcodec_write(LOUT1, LOUT1_BITS); + wmcodec_write(ROUT1, ROUT1_BITS); + wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR | PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1); @@ -332,15 +366,26 @@ void audiohw_set_recsrc(int source, bool recording) case AUDIO_SRC_FMRADIO: if(recording) { - /* Set input volume to PGA */ - wmcodec_write(LINVOL, LINVOL_LINVOL(23)); - wmcodec_write(RINVOL, RINVOL_RINVOL(23)); + /* turn off DAC and ADC in order to setup Enchance 3D function + * for playback. This does not turn on enchancement but + * the switch between playback/record has to be done with + * DAC and ADC off + */ +#ifdef AUDIOHW_HAVE_DEPTH_3D + wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K); + wmcodec_write(PWRMGMT2, 0x00); + wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_RECORD); +#endif /* Turn on PGA and ADC */ wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K | PWRMGMT1_AINL | PWRMGMT1_AINR | PWRMGMT1_ADCL | PWRMGMT1_ADCR); + /* Set input volume to PGA 0dB*/ + wmcodec_write(LINVOL, LINVOL_LIVU|LINVOL_LINVOL(0x17)); + wmcodec_write(RINVOL, RINVOL_RIVU|RINVOL_RINVOL(0x17)); + /* Setup input source for PGA as INPUT1 * MICBOOST disabled */ @@ -356,38 +401,45 @@ void audiohw_set_recsrc(int source, bool recording) wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR | PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1); - /* analog monitor */ - wmcodec_write(LEFTMIX1, LEFTMIX1_LMIXSEL_ADCLIN | - LEFTMIX1_LD2LO); - wmcodec_write(RIGHTMIX2, RIGHTMIX2_RMIXSEL_ADCRIN | - RIGHTMIX2_RD2RO); + /* route DAC signal to output mixer */ + wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO); + wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO); } else { - /* turn off ADC, PGA */ wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K); + wmcodec_write(LOUT1, LOUT1_BITS); + wmcodec_write(ROUT1, ROUT1_BITS); + /* turn on DAC and output stage */ wmcodec_write(PWRMGMT2, PWRMGMT2_DACL | PWRMGMT2_DACR | PWRMGMT2_LOUT1 | PWRMGMT2_ROUT1); /* setup monitor mode by routing input signal to outmix - * at 0dB volume - */ + * at 0dB volume + */ wmcodec_write(LEFTMIX1, LEFTMIX1_LI2LO | LEFTMIX1_LMIXSEL_LINPUT1 | LEFTMIX1_LI2LOVOL(0x20) | LEFTMIX1_LD2LO); - wmcodec_write(RIGHTMIX2, RIGHTMIX2_RI2RO | RIGHTMIX2_RMIXSEL_RINPUT1 | + wmcodec_write(RIGHTMIX1, RIGHTMIX1_RMIXSEL_RINPUT1); + wmcodec_write(RIGHTMIX2, RIGHTMIX2_RI2RO | RIGHTMIX2_RI2ROVOL(0x20) | RIGHTMIX2_RD2RO); } break; case AUDIO_SRC_LINEIN: +#ifdef AUDIOHW_HAVE_DEPTH_3D + wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K); + wmcodec_write(PWRMGMT2, 0x00); + wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_RECORD); +#endif + /* Set input volume to PGA */ - wmcodec_write(LINVOL, LINVOL_LINVOL(23)); - wmcodec_write(RINVOL, RINVOL_RINVOL(23)); + wmcodec_write(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(23)); + wmcodec_write(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(23)); - /* Turn on PGA, ADC, DAC */ + /* Turn on PGA, ADC */ wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K | PWRMGMT1_AINL | PWRMGMT1_AINR | PWRMGMT1_ADCL | PWRMGMT1_ADCR); @@ -406,18 +458,21 @@ void audiohw_set_recsrc(int source, bool recording) * default is LADC -> LDATA, RADC -> RDATA * so we don't touch this */ - - /* digital monitor */ - wmcodec_write(LEFTMIX1, LEFTMIX1_LMIXSEL_ADCLIN | - LEFTMIX1_LD2LO); - wmcodec_write(RIGHTMIX2, RIGHTMIX2_RMIXSEL_ADCRIN | - RIGHTMIX2_RD2RO); + /* route DAC signal to output mixer */ + wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO); + wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO); break; case AUDIO_SRC_MIC: +#ifdef AUDIOHW_HAVE_DEPTH_3D + wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K); + wmcodec_write(PWRMGMT2, 0x00); + wmcodec_write(ENHANCE_3D, ENHANCE_3D_MODE3D_RECORD); +#endif + /* Set input volume to PGA */ - wmcodec_write(LINVOL, LINVOL_LINVOL(23)); - wmcodec_write(RINVOL, RINVOL_RINVOL(23)); + wmcodec_write(LINVOL, LINVOL_LIVU | LINVOL_LINVOL(23)); + wmcodec_write(RINVOL, RINVOL_RIVU | RINVOL_RINVOL(23)); /* Turn on PGA and ADC, turn off DAC */ wmcodec_write(PWRMGMT1, PWRMGMT1_VREF | PWRMGMT1_VMIDSEL_50K | @@ -439,21 +494,19 @@ void audiohw_set_recsrc(int source, bool recording) * so we don't touch this */ - /* analog monitor */ - wmcodec_write(LEFTMIX1, LEFTMIX1_LMIXSEL_ADCLIN | - LEFTMIX1_LD2LO); - wmcodec_write(RIGHTMIX2, RIGHTMIX2_RMIXSEL_ADCRIN | - RIGHTMIX2_RD2RO); - break; + /* route DAC signal to output mixer */ + wmcodec_write(LEFTMIX1, LEFTMIX1_LD2LO); + wmcodec_write(RIGHTMIX2, RIGHTMIX2_RD2RO); } /* switch(source) */ } /* Setup PGA gain */ -void audiohw_set_recvol(int left, int right, int type) +void audiohw_set_recvol(int vol_l, int vol_r, int type) { (void)type; - wmcodec_write(LINVOL, LINVOL_LINVOL(recvol2hw(left))); - wmcodec_write(RINVOL, RINVOL_RINVOL(recvol2hw(right))); + wmcodec_write(LINVOL, LINVOL_LIZC|LINVOL_LINVOL(recvol2hw(vol_l))); + wmcodec_write(RINVOL, RINVOL_RIZC|RINVOL_RIVU|RINVOL_RINVOL(recvol2hw(vol_r))); } -#endif +#endif /* HAVE_RECORDING */ +#endif /* HAVE_WM8750 */ |