diff options
Diffstat (limited to 'sound/soc/codecs/ad1836.c')
| -rw-r--r-- | sound/soc/codecs/ad1836.c | 183 |
1 files changed, 129 insertions, 54 deletions
diff --git a/sound/soc/codecs/ad1836.c b/sound/soc/codecs/ad1836.c index a2de8a571bfd..ad4c06760440 100644 --- a/sound/soc/codecs/ad1836.c +++ b/sound/soc/codecs/ad1836.c @@ -30,10 +30,17 @@ #include <linux/spi/spi.h> #include "ad1836.h" +enum ad1836_type { + AD1835, + AD1836, + AD1838, +}; + /* codec private data */ struct ad1836_priv { enum snd_soc_control_type control_type; void *control_data; + enum ad1836_type type; }; /* @@ -56,21 +63,48 @@ static const struct soc_enum ad1836_deemp_enum = SOC_DOUBLE("ADC" #x " Capture Switch", AD1836_ADC_CTRL2, \ AD1836_MUTE_LEFT(x), AD1836_MUTE_RIGHT(x), 1, 1) -static const struct snd_kcontrol_new ad1836_snd_controls[] = { - /* DAC volume control */ +static const struct snd_kcontrol_new ad183x_dac_controls[] = { AD1836_DAC_VOLUME(1), + AD1836_DAC_SWITCH(1), AD1836_DAC_VOLUME(2), + AD1836_DAC_SWITCH(2), AD1836_DAC_VOLUME(3), + AD1836_DAC_SWITCH(3), + AD1836_DAC_VOLUME(4), + AD1836_DAC_SWITCH(4), +}; + +static const struct snd_soc_dapm_widget ad183x_dac_dapm_widgets[] = { + SND_SOC_DAPM_OUTPUT("DAC1OUT"), + SND_SOC_DAPM_OUTPUT("DAC2OUT"), + SND_SOC_DAPM_OUTPUT("DAC3OUT"), + SND_SOC_DAPM_OUTPUT("DAC4OUT"), +}; + +static const struct snd_soc_dapm_route ad183x_dac_routes[] = { + { "DAC1OUT", NULL, "DAC" }, + { "DAC2OUT", NULL, "DAC" }, + { "DAC3OUT", NULL, "DAC" }, + { "DAC4OUT", NULL, "DAC" }, +}; - /* ADC switch control */ +static const struct snd_kcontrol_new ad183x_adc_controls[] = { AD1836_ADC_SWITCH(1), AD1836_ADC_SWITCH(2), + AD1836_ADC_SWITCH(3), +}; - /* DAC switch control */ - AD1836_DAC_SWITCH(1), - AD1836_DAC_SWITCH(2), - AD1836_DAC_SWITCH(3), +static const struct snd_soc_dapm_widget ad183x_adc_dapm_widgets[] = { + SND_SOC_DAPM_INPUT("ADC1IN"), + SND_SOC_DAPM_INPUT("ADC2IN"), +}; + +static const struct snd_soc_dapm_route ad183x_adc_routes[] = { + { "ADC", NULL, "ADC1IN" }, + { "ADC", NULL, "ADC2IN" }, +}; +static const struct snd_kcontrol_new ad183x_controls[] = { /* ADC high-pass filter */ SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1, AD1836_ADC_HIGHPASS_FILTER, 1, 0), @@ -79,27 +113,17 @@ static const struct snd_kcontrol_new ad1836_snd_controls[] = { SOC_ENUM("Playback Deemphasis", ad1836_deemp_enum), }; -static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = { +static const struct snd_soc_dapm_widget ad183x_dapm_widgets[] = { SND_SOC_DAPM_DAC("DAC", "Playback", AD1836_DAC_CTRL1, AD1836_DAC_POWERDOWN, 1), SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1836_ADC_CTRL1, AD1836_ADC_POWERDOWN, 1, NULL, 0), - SND_SOC_DAPM_OUTPUT("DAC1OUT"), - SND_SOC_DAPM_OUTPUT("DAC2OUT"), - SND_SOC_DAPM_OUTPUT("DAC3OUT"), - SND_SOC_DAPM_INPUT("ADC1IN"), - SND_SOC_DAPM_INPUT("ADC2IN"), }; -static const struct snd_soc_dapm_route audio_paths[] = { +static const struct snd_soc_dapm_route ad183x_dapm_routes[] = { { "DAC", NULL, "ADC_PWR" }, { "ADC", NULL, "ADC_PWR" }, - { "DAC1OUT", "DAC1 Switch", "DAC" }, - { "DAC2OUT", "DAC2 Switch", "DAC" }, - { "DAC3OUT", "DAC3 Switch", "DAC" }, - { "ADC", "ADC1 Switch", "ADC1IN" }, - { "ADC", "ADC2 Switch", "ADC2IN" }, }; /* @@ -194,33 +218,44 @@ static struct snd_soc_dai_ops ad1836_dai_ops = { .set_fmt = ad1836_set_dai_fmt, }; -/* codec DAI instance */ -static struct snd_soc_dai_driver ad1836_dai = { - .name = "ad1836-hifi", - .playback = { - .stream_name = "Playback", - .channels_min = 2, - .channels_max = 6, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, - }, - .capture = { - .stream_name = "Capture", - .channels_min = 2, - .channels_max = 4, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | - SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, - }, - .ops = &ad1836_dai_ops, +#define AD183X_DAI(_name, num_dacs, num_adcs) \ +{ \ + .name = _name "-hifi", \ + .playback = { \ + .stream_name = "Playback", \ + .channels_min = 2, \ + .channels_max = (num_dacs) * 2, \ + .rates = SNDRV_PCM_RATE_48000, \ + .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, \ + }, \ + .capture = { \ + .stream_name = "Capture", \ + .channels_min = 2, \ + .channels_max = (num_adcs) * 2, \ + .rates = SNDRV_PCM_RATE_48000, \ + .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, \ + }, \ + .ops = &ad1836_dai_ops, \ +} + +static struct snd_soc_dai_driver ad183x_dais[] = { + [AD1835] = AD183X_DAI("ad1835", 4, 1), + [AD1836] = AD183X_DAI("ad1836", 3, 2), + [AD1838] = AD183X_DAI("ad1838", 3, 1), }; static int ad1836_probe(struct snd_soc_codec *codec) { struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec); struct snd_soc_dapm_context *dapm = &codec->dapm; + int num_dacs, num_adcs; int ret = 0; + int i; + + num_dacs = ad183x_dais[ad1836->type].playback.channels_max / 2; + num_adcs = ad183x_dais[ad1836->type].capture.channels_max / 2; codec->control_data = ad1836->control_data; ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI); @@ -239,21 +274,42 @@ static int ad1836_probe(struct snd_soc_codec *codec) snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100); /* unmute adc channles, adc aux mode */ snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180); - /* left/right diff:PGA/MUX */ - snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A); /* volume */ - snd_soc_write(codec, AD1836_DAC_L_VOL(1), 0x3FF); - snd_soc_write(codec, AD1836_DAC_R_VOL(1), 0x3FF); - snd_soc_write(codec, AD1836_DAC_L_VOL(2), 0x3FF); - snd_soc_write(codec, AD1836_DAC_R_VOL(2), 0x3FF); - snd_soc_write(codec, AD1836_DAC_L_VOL(3), 0x3FF); - snd_soc_write(codec, AD1836_DAC_R_VOL(3), 0x3FF); - - snd_soc_add_controls(codec, ad1836_snd_controls, - ARRAY_SIZE(ad1836_snd_controls)); - snd_soc_dapm_new_controls(dapm, ad1836_dapm_widgets, - ARRAY_SIZE(ad1836_dapm_widgets)); - snd_soc_dapm_add_routes(dapm, audio_paths, ARRAY_SIZE(audio_paths)); + for (i = 1; i <= num_dacs; ++i) { + snd_soc_write(codec, AD1836_DAC_L_VOL(i), 0x3FF); + snd_soc_write(codec, AD1836_DAC_R_VOL(i), 0x3FF); + } + + if (ad1836->type == AD1836) { + /* left/right diff:PGA/MUX */ + snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A); + } else { + snd_soc_write(codec, AD1836_ADC_CTRL3, 0x00); + } + + ret = snd_soc_add_controls(codec, ad183x_dac_controls, num_dacs * 2); + if (ret) + return ret; + + ret = snd_soc_add_controls(codec, ad183x_adc_controls, num_adcs); + if (ret) + return ret; + + ret = snd_soc_dapm_new_controls(dapm, ad183x_dac_dapm_widgets, num_dacs); + if (ret) + return ret; + + ret = snd_soc_dapm_new_controls(dapm, ad183x_adc_dapm_widgets, num_adcs); + if (ret) + return ret; + + ret = snd_soc_dapm_add_routes(dapm, ad183x_dac_routes, num_dacs); + if (ret) + return ret; + + ret = snd_soc_dapm_add_routes(dapm, ad183x_adc_routes, num_adcs); + if (ret) + return ret; return ret; } @@ -273,6 +329,13 @@ static struct snd_soc_codec_driver soc_codec_dev_ad1836 = { .resume = ad1836_soc_resume, .reg_cache_size = AD1836_NUM_REGS, .reg_word_size = sizeof(u16), + + .controls = ad183x_controls, + .num_controls = ARRAY_SIZE(ad183x_controls), + .dapm_widgets = ad183x_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(ad183x_dapm_widgets), + .dapm_routes = ad183x_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(ad183x_dapm_routes), }; static int __devinit ad1836_spi_probe(struct spi_device *spi) @@ -284,12 +347,14 @@ static int __devinit ad1836_spi_probe(struct spi_device *spi) if (ad1836 == NULL) return -ENOMEM; + ad1836->type = spi_get_device_id(spi)->driver_data; + spi_set_drvdata(spi, ad1836); ad1836->control_data = spi; ad1836->control_type = SND_SOC_SPI; ret = snd_soc_register_codec(&spi->dev, - &soc_codec_dev_ad1836, &ad1836_dai, 1); + &soc_codec_dev_ad1836, &ad183x_dais[ad1836->type], 1); if (ret < 0) kfree(ad1836); return ret; @@ -301,6 +366,15 @@ static int __devexit ad1836_spi_remove(struct spi_device *spi) kfree(spi_get_drvdata(spi)); return 0; } +static const struct spi_device_id ad1836_ids[] = { + { "ad1835", AD1835 }, + { "ad1836", AD1836 }, + { "ad1837", AD1835 }, + { "ad1838", AD1838 }, + { "ad1839", AD1838 }, + { }, +}; +MODULE_DEVICE_TABLE(spi, ad1836_ids); static struct spi_driver ad1836_spi_driver = { .driver = { @@ -309,6 +383,7 @@ static struct spi_driver ad1836_spi_driver = { }, .probe = ad1836_spi_probe, .remove = __devexit_p(ad1836_spi_remove), + .id_table = ad1836_ids, }; static int __init ad1836_init(void) |