diff options
Diffstat (limited to 'sound/soc/sunxi')
| -rw-r--r-- | sound/soc/sunxi/sun4i-codec.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index 092fdcf6de95..ada5fa055950 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -213,6 +213,10 @@ /* TODO sun6i DAP (Digital Audio Processing) bits */ +/* FIFO counters moved on A23 */ +#define SUN8I_A23_CODEC_DAC_TXCNT (0x1c) +#define SUN8I_A23_CODEC_ADC_RXCNT (0x20) + struct sun4i_codec { struct device *dev; struct regmap *regmap; @@ -1067,6 +1071,32 @@ static struct snd_soc_codec_driver sun6i_codec_codec = { }, }; +/* sun8i A23 codec */ +static const struct snd_kcontrol_new sun8i_a23_codec_codec_controls[] = { + SOC_SINGLE_TLV("DAC Playback Volume", SUN4I_CODEC_DAC_DPC, + SUN4I_CODEC_DAC_DPC_DVOL, 0x3f, 1, + sun6i_codec_dvol_scale), +}; + +static const struct snd_soc_dapm_widget sun8i_a23_codec_codec_widgets[] = { + /* Digital parts of the ADCs */ + SND_SOC_DAPM_SUPPLY("ADC Enable", SUN6I_CODEC_ADC_FIFOC, + SUN6I_CODEC_ADC_FIFOC_EN_AD, 0, NULL, 0), + /* Digital parts of the DACs */ + SND_SOC_DAPM_SUPPLY("DAC Enable", SUN4I_CODEC_DAC_DPC, + SUN4I_CODEC_DAC_DPC_EN_DA, 0, NULL, 0), + +}; + +static struct snd_soc_codec_driver sun8i_a23_codec_codec = { + .component_driver = { + .controls = sun8i_a23_codec_codec_controls, + .num_controls = ARRAY_SIZE(sun8i_a23_codec_codec_controls), + .dapm_widgets = sun8i_a23_codec_codec_widgets, + .num_dapm_widgets = ARRAY_SIZE(sun8i_a23_codec_codec_widgets), + }, +}; + static const struct snd_soc_component_driver sun4i_codec_component = { .name = "sun4i-codec", }; @@ -1206,6 +1236,63 @@ static struct snd_soc_card *sun6i_codec_create_card(struct device *dev) return card; }; +/* Connect digital side enables to analog side widgets */ +static const struct snd_soc_dapm_route sun8i_codec_card_routes[] = { + /* ADC Routes */ + { "Left ADC", NULL, "ADC Enable" }, + { "Right ADC", NULL, "ADC Enable" }, + { "Codec Capture", NULL, "Left ADC" }, + { "Codec Capture", NULL, "Right ADC" }, + + /* DAC Routes */ + { "Left DAC", NULL, "DAC Enable" }, + { "Right DAC", NULL, "DAC Enable" }, + { "Left DAC", NULL, "Codec Playback" }, + { "Right DAC", NULL, "Codec Playback" }, +}; + +static struct snd_soc_aux_dev aux_dev = { + .name = "Codec Analog Controls", +}; + +static struct snd_soc_card *sun8i_a23_codec_create_card(struct device *dev) +{ + struct snd_soc_card *card; + int ret; + + card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); + if (!card) + return ERR_PTR(-ENOMEM); + + aux_dev.codec_of_node = of_parse_phandle(dev->of_node, + "allwinner,codec-analog-controls", + 0); + if (!aux_dev.codec_of_node) { + dev_err(dev, "Can't find analog controls for codec.\n"); + return ERR_PTR(-EINVAL); + }; + + card->dai_link = sun4i_codec_create_link(dev, &card->num_links); + if (!card->dai_link) + return ERR_PTR(-ENOMEM); + + card->dev = dev; + card->name = "A23 Audio Codec"; + card->dapm_widgets = sun6i_codec_card_dapm_widgets; + card->num_dapm_widgets = ARRAY_SIZE(sun6i_codec_card_dapm_widgets); + card->dapm_routes = sun8i_codec_card_routes; + card->num_dapm_routes = ARRAY_SIZE(sun8i_codec_card_routes); + card->aux_dev = &aux_dev; + card->num_aux_devs = 1; + card->fully_routed = true; + + ret = snd_soc_of_parse_audio_routing(card, "allwinner,audio-routing"); + if (ret) + dev_warn(dev, "failed to parse audio-routing: %d\n", ret); + + return card; +}; + static const struct regmap_config sun4i_codec_regmap_config = { .reg_bits = 32, .reg_stride = 4, @@ -1227,6 +1314,13 @@ static const struct regmap_config sun7i_codec_regmap_config = { .max_register = SUN7I_CODEC_AC_MIC_PHONE_CAL, }; +static const struct regmap_config sun8i_a23_codec_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = SUN8I_A23_CODEC_ADC_RXCNT, +}; + struct sun4i_codec_quirks { const struct regmap_config *regmap_config; const struct snd_soc_codec_driver *codec; @@ -1265,6 +1359,16 @@ static const struct sun4i_codec_quirks sun7i_codec_quirks = { .reg_adc_rxdata = SUN4I_CODEC_ADC_RXDATA, }; +static const struct sun4i_codec_quirks sun8i_a23_codec_quirks = { + .regmap_config = &sun8i_a23_codec_regmap_config, + .codec = &sun8i_a23_codec_codec, + .create_card = sun8i_a23_codec_create_card, + .reg_adc_fifoc = REG_FIELD(SUN6I_CODEC_ADC_FIFOC, 0, 31), + .reg_dac_txdata = SUN4I_CODEC_DAC_TXDATA, + .reg_adc_rxdata = SUN6I_CODEC_ADC_RXDATA, + .has_reset = true, +}; + static const struct of_device_id sun4i_codec_of_match[] = { { .compatible = "allwinner,sun4i-a10-codec", @@ -1278,6 +1382,10 @@ static const struct of_device_id sun4i_codec_of_match[] = { .compatible = "allwinner,sun7i-a20-codec", .data = &sun7i_codec_quirks, }, + { + .compatible = "allwinner,sun8i-a23-codec", + .data = &sun8i_a23_codec_quirks, + }, {} }; MODULE_DEVICE_TABLE(of, sun4i_codec_of_match); |