diff options
Diffstat (limited to 'firmware/target/mips/ingenic_x1000/erosqnative/audiohw-erosqnative.c')
| -rw-r--r-- | firmware/target/mips/ingenic_x1000/erosqnative/audiohw-erosqnative.c | 134 |
1 files changed, 113 insertions, 21 deletions
diff --git a/firmware/target/mips/ingenic_x1000/erosqnative/audiohw-erosqnative.c b/firmware/target/mips/ingenic_x1000/erosqnative/audiohw-erosqnative.c index 7bb985650c..df97aba0c8 100644 --- a/firmware/target/mips/ingenic_x1000/erosqnative/audiohw-erosqnative.c +++ b/firmware/target/mips/ingenic_x1000/erosqnative/audiohw-erosqnative.c @@ -19,29 +19,38 @@ * ****************************************************************************/ -#include "audiohw.h" #include "system.h" +#include "audiohw.h" +#include "pcm_sw_volume.h" #include "pcm_sampr.h" +#include "i2c-target.h" +#include "button.h" + +// #define LOGF_ENABLE +#include "logf.h" + #include "aic-x1000.h" #include "i2c-x1000.h" #include "gpio-x1000.h" -#include "logf.h" -/* Audio path appears to be: - * DAC --> HP Amp --> Stereo Switch --> HP OUT - * \--> LO OUT +/* + * Earlier devices audio path appears to be: + * DAC \--> HP Amp --> Stereo Switch --> HP OUT + * \-> LO OUT * - * The real purpose of the Stereo Switch is not clear. - * It appears to switch sources between the HP amp and something, - * likely something unimplemented. */ + * Recent devices, the audio path seems to have changed to: + * DAC --> HP Amp --> Stereo Switch \--> HP OUT + * \-> LO OUT + */ void audiohw_init(void) { /* explicitly mute everything */ - gpio_set_level(GPIO_MAX97220_SHDN, 0); - gpio_set_level(GPIO_ISL54405_MUTE, 1); - gpio_set_level(GPIO_PCM5102A_XMIT, 0); + gpio_set_level(GPIO_HPAMP_SHDN, 0); + gpio_set_level(GPIO_STEREOSW_MUTE, 1); + gpio_set_level(GPIO_DAC_PWR, 0); + aic_set_play_last_sample(true); aic_set_external_codec(true); aic_set_i2s_mode(AIC_I2S_MASTER_MODE); audiohw_set_frequency(HW_FREQ_48); @@ -52,30 +61,62 @@ void audiohw_init(void) mdelay(10); /* power on DAC and HP Amp */ - gpio_set_level(GPIO_PCM5102A_ANALOG_PWR, 1); - gpio_set_level(GPIO_MAX97220_POWER, 1); + gpio_set_level(GPIO_DAC_ANALOG_PWR, 1); + gpio_set_level(GPIO_HPAMP_POWER, 1); } void audiohw_postinit(void) { + /* + * enable playback, fill FIFO buffer with -1 to prevent + * the DAC from auto-muting, wait, and then stop playback. + * This seems to completely prevent power-on or first-track + * clicking. + */ + jz_writef(AIC_CCR, ERPL(1)); + for (int i = 0; i < 32; i++) + { + jz_write(AIC_DR, 0xFFFFFF); + } + /* Wait until all samples are through the FIFO. */ + while(jz_readf(AIC_SR, TFL) != 0); + mdelay(20); /* This seems to silence the power-on click */ + jz_writef(AIC_CCR, ERPL(0)); + /* unmute - attempt to make power-on pop-free */ - gpio_set_level(GPIO_ISL54405_SEL, 0); - gpio_set_level(GPIO_MAX97220_SHDN, 1); + gpio_set_level(GPIO_STEREOSW_SEL, 0); + gpio_set_level(GPIO_HPAMP_SHDN, 1); mdelay(10); - gpio_set_level(GPIO_PCM5102A_XMIT, 1); + gpio_set_level(GPIO_DAC_PWR, 1); mdelay(10); - gpio_set_level(GPIO_ISL54405_MUTE, 0); + gpio_set_level(GPIO_STEREOSW_MUTE, 0); + + i2c_x1000_set_freq(ES9018K2M_BUS, I2C_FREQ_400K); + + int ret = es9018k2m_read_reg(ES9018K2M_REG0_SYSTEM_SETTINGS); + if (ret >= 0) /* Detected ES9018K2M DAC */ + { + logf("ES9018K2M found: ret=%d", ret); + es9018k2m_present_flag = 1; + + /* Default is 32-bit data, and it works ok. Enabling the following + * causes issue. Which is weird, I definitely thought AIC was configured + * for 24-bit data... */ + // es9018k2m_write_reg(ES9018K2M_REG1_INPUT_CONFIG, 0b01001100); // 24-bit data + + } else { /* Default to SWVOL for PCM5102A DAC */ + logf("Default to SWVOL: ret=%d", ret); + } } -/* TODO: get shutdown just right according to dac datasheet */ void audiohw_close(void) { /* mute - attempt to make power-off pop-free */ - gpio_set_level(GPIO_ISL54405_MUTE, 1); + gpio_set_level(GPIO_STEREOSW_MUTE, 1); mdelay(10); - gpio_set_level(GPIO_PCM5102A_XMIT, 0); + gpio_set_level(GPIO_DAC_PWR, 0); mdelay(10); - gpio_set_level(GPIO_MAX97220_SHDN, 0); + gpio_set_level(GPIO_HPAMP_SHDN, 0); } void audiohw_set_frequency(int fsel) @@ -88,3 +129,54 @@ void audiohw_set_frequency(int fsel) aic_enable_i2s_bit_clock(true); } +void audiohw_set_volume(int vol_l, int vol_r) +{ + int l, r; + + eros_qn_set_last_vol(vol_l, vol_r); + + l = vol_l; + r = vol_r; + +#if (defined(HAVE_HEADPHONE_DETECTION) && defined(HAVE_LINEOUT_DETECTION)) + /* make sure headphones aren't present - don't want to + * blow out our eardrums cranking it to full */ + if (lineout_inserted() && !headphones_inserted()) + { + eros_qn_switch_output(1); + + l = r = eros_qn_get_volume_limit(); + } + else + { + eros_qn_switch_output(0); + } +#endif + + if (es9018k2m_present_flag) /* ES9018K2M */ + { + /* Same volume range and mute point for both DACs, so use PCM5102A_VOLUME_MIN */ + l = l <= PCM5102A_VOLUME_MIN ? PCM_MUTE_LEVEL : l; + r = r <= PCM5102A_VOLUME_MIN ? PCM_MUTE_LEVEL : r; + + /* set software volume just below unity due to + * DAC offset. We don't want to overflow the PCM system. */ + pcm_set_master_volume(-1, -1); + es9018k2m_set_volume_async(l, r); + } + else /* PCM5102A */ + { + l = l <= PCM5102A_VOLUME_MIN ? PCM_MUTE_LEVEL : (l / 20); + r = r <= PCM5102A_VOLUME_MIN ? PCM_MUTE_LEVEL : (r / 20); + + pcm_set_master_volume(l, r); + } +} + +void audiohw_set_filter_roll_off(int value) +{ + if (es9018k2m_present_flag) + { + es9018k2m_set_filter_roll_off(value); + } +}
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