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author | Kirill Marinushkin <kmarinushkin@birdec.tech> | 2018-08-21 19:52:46 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2018-08-28 22:41:24 +0300 |
commit | 6ee47d4a8dacfa484d526c0475730568d979de24 (patch) | |
tree | 5fbefac27db02ad1ddf8bb519554aa714f60b27e /sound/soc/codecs/pcm3060.c | |
parent | 6fbf9d8e2793b81dd5f8738999163582ce61dba7 (diff) | |
download | linux-6ee47d4a8dacfa484d526c0475730568d979de24.tar.xz |
ASoC: pcm3060: Add codec driver
This commit adds support for TI PCM3060 CODEC.
The technical documentation is available at [1].
[1] http://ti.com/product/pcm3060
Signed-off-by: Kirill Marinushkin <kmarinushkin@birdec.tech>
Cc: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: M R Swami Reddy <mr.swami.reddy@ti.com>
Cc: Vishwas A Deshpande <vishwas.a.deshpande@ti.com>
Cc: Kevin Cernekee <cernekee@chromium.org>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/pcm3060.c')
-rw-r--r-- | sound/soc/codecs/pcm3060.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/sound/soc/codecs/pcm3060.c b/sound/soc/codecs/pcm3060.c new file mode 100644 index 000000000000..ef7c627c9ac5 --- /dev/null +++ b/sound/soc/codecs/pcm3060.c @@ -0,0 +1,290 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PCM3060 codec driver + * + * Copyright (C) 2018 Kirill Marinushkin <kmarinushkin@birdec.tech> + */ + +#include <linux/module.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#include "pcm3060.h" + +/* dai */ + +static int pcm3060_set_sysclk(struct snd_soc_dai *dai, int clk_id, + unsigned int freq, int dir) +{ + struct snd_soc_component *comp = dai->component; + struct pcm3060_priv *priv = snd_soc_component_get_drvdata(comp); + + if (dir != SND_SOC_CLOCK_IN) { + dev_err(comp->dev, "unsupported sysclock dir: %d\n", dir); + return -EINVAL; + } + + priv->dai[dai->id].sclk_freq = freq; + + return 0; +} + +static int pcm3060_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *comp = dai->component; + struct pcm3060_priv *priv = snd_soc_component_get_drvdata(comp); + unsigned int reg; + unsigned int val; + + if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF) { + dev_err(comp->dev, "unsupported DAI polarity: 0x%x\n", fmt); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + priv->dai[dai->id].is_master = true; + break; + case SND_SOC_DAIFMT_CBS_CFS: + priv->dai[dai->id].is_master = false; + break; + default: + dev_err(comp->dev, "unsupported DAI master mode: 0x%x\n", fmt); + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + val = PCM3060_REG_FMT_I2S; + break; + case SND_SOC_DAIFMT_RIGHT_J: + val = PCM3060_REG_FMT_RJ; + break; + case SND_SOC_DAIFMT_LEFT_J: + val = PCM3060_REG_FMT_LJ; + break; + default: + dev_err(comp->dev, "unsupported DAI format: 0x%x\n", fmt); + return -EINVAL; + } + + reg = (dai->id == PCM3060_DAI_ID_DAC ? PCM3060_REG67 : PCM3060_REG72); + + regmap_update_bits(priv->regmap, reg, PCM3060_REG_MASK_FMT, val); + + return 0; +} + +static int pcm3060_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *comp = dai->component; + struct pcm3060_priv *priv = snd_soc_component_get_drvdata(comp); + unsigned int rate; + unsigned int ratio; + unsigned int reg; + unsigned int val; + + if (!priv->dai[dai->id].is_master) { + val = PCM3060_REG_MS_S; + goto val_ready; + } + + rate = params_rate(params); + if (!rate) { + dev_err(comp->dev, "rate is not configured\n"); + return -EINVAL; + } + + ratio = priv->dai[dai->id].sclk_freq / rate; + + switch (ratio) { + case 768: + val = PCM3060_REG_MS_M768; + break; + case 512: + val = PCM3060_REG_MS_M512; + break; + case 384: + val = PCM3060_REG_MS_M384; + break; + case 256: + val = PCM3060_REG_MS_M256; + break; + case 192: + val = PCM3060_REG_MS_M192; + break; + case 128: + val = PCM3060_REG_MS_M128; + break; + default: + dev_err(comp->dev, "unsupported ratio: %d\n", ratio); + return -EINVAL; + } + +val_ready: + reg = (dai->id == PCM3060_DAI_ID_DAC ? PCM3060_REG67 : PCM3060_REG72); + + regmap_update_bits(priv->regmap, reg, PCM3060_REG_MASK_MS, val); + + return 0; +} + +static const struct snd_soc_dai_ops pcm3060_dai_ops = { + .set_sysclk = pcm3060_set_sysclk, + .set_fmt = pcm3060_set_fmt, + .hw_params = pcm3060_hw_params, +}; + +#define PCM3060_DAI_RATES_ADC (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | \ + SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) + +#define PCM3060_DAI_RATES_DAC (PCM3060_DAI_RATES_ADC | \ + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000) + +static struct snd_soc_dai_driver pcm3060_dai[] = { + { + .name = "pcm3060-dac", + .id = PCM3060_DAI_ID_DAC, + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = PCM3060_DAI_RATES_DAC, + .formats = SNDRV_PCM_FMTBIT_S24_LE, + }, + .ops = &pcm3060_dai_ops, + }, + { + .name = "pcm3060-adc", + .id = PCM3060_DAI_ID_ADC, + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + .rates = PCM3060_DAI_RATES_ADC, + .formats = SNDRV_PCM_FMTBIT_S24_LE, + }, + .ops = &pcm3060_dai_ops, + }, +}; + +/* dapm */ + +static DECLARE_TLV_DB_SCALE(pcm3060_dapm_tlv, -10050, 50, 1); + +static const struct snd_kcontrol_new pcm3060_dapm_controls[] = { + SOC_DOUBLE_R_RANGE_TLV("Master Playback Volume", + PCM3060_REG65, PCM3060_REG66, 0, + PCM3060_REG_AT2_MIN, PCM3060_REG_AT2_MAX, + 0, pcm3060_dapm_tlv), + SOC_DOUBLE("Master Playback Switch", PCM3060_REG68, + PCM3060_REG_SHIFT_MUT21, PCM3060_REG_SHIFT_MUT22, 1, 1), + + SOC_DOUBLE_R_RANGE_TLV("Master Capture Volume", + PCM3060_REG70, PCM3060_REG71, 0, + PCM3060_REG_AT1_MIN, PCM3060_REG_AT1_MAX, + 0, pcm3060_dapm_tlv), + SOC_DOUBLE("Master Capture Switch", PCM3060_REG73, + PCM3060_REG_SHIFT_MUT11, PCM3060_REG_SHIFT_MUT12, 1, 1), +}; + +static const struct snd_soc_dapm_widget pcm3060_dapm_widgets[] = { + SND_SOC_DAPM_OUTPUT("OUTL+"), + SND_SOC_DAPM_OUTPUT("OUTR+"), + SND_SOC_DAPM_OUTPUT("OUTL-"), + SND_SOC_DAPM_OUTPUT("OUTR-"), + + SND_SOC_DAPM_INPUT("INL"), + SND_SOC_DAPM_INPUT("INR"), +}; + +static const struct snd_soc_dapm_route pcm3060_dapm_map[] = { + { "OUTL+", NULL, "Playback" }, + { "OUTR+", NULL, "Playback" }, + { "OUTL-", NULL, "Playback" }, + { "OUTR-", NULL, "Playback" }, + + { "Capture", NULL, "INL" }, + { "Capture", NULL, "INR" }, +}; + +/* soc component */ + +static const struct snd_soc_component_driver pcm3060_soc_comp_driver = { + .controls = pcm3060_dapm_controls, + .num_controls = ARRAY_SIZE(pcm3060_dapm_controls), + .dapm_widgets = pcm3060_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(pcm3060_dapm_widgets), + .dapm_routes = pcm3060_dapm_map, + .num_dapm_routes = ARRAY_SIZE(pcm3060_dapm_map), +}; + +/* regmap */ + +static bool pcm3060_reg_writeable(struct device *dev, unsigned int reg) +{ + return (reg >= PCM3060_REG64); +} + +static bool pcm3060_reg_readable(struct device *dev, unsigned int reg) +{ + return (reg >= PCM3060_REG64); +} + +static bool pcm3060_reg_volatile(struct device *dev, unsigned int reg) +{ + /* PCM3060_REG64 is volatile */ + return (reg == PCM3060_REG64); +} + +static const struct reg_default pcm3060_reg_defaults[] = { + { PCM3060_REG64, 0xF0 }, + { PCM3060_REG65, 0xFF }, + { PCM3060_REG66, 0xFF }, + { PCM3060_REG67, 0x00 }, + { PCM3060_REG68, 0x00 }, + { PCM3060_REG69, 0x00 }, + { PCM3060_REG70, 0xD7 }, + { PCM3060_REG71, 0xD7 }, + { PCM3060_REG72, 0x00 }, + { PCM3060_REG73, 0x00 }, +}; + +const struct regmap_config pcm3060_regmap = { + .reg_bits = 8, + .val_bits = 8, + .writeable_reg = pcm3060_reg_writeable, + .readable_reg = pcm3060_reg_readable, + .volatile_reg = pcm3060_reg_volatile, + .max_register = PCM3060_REG73, + .reg_defaults = pcm3060_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(pcm3060_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; +EXPORT_SYMBOL(pcm3060_regmap); + +/* device */ + +int pcm3060_probe(struct device *dev) +{ + int rc; + + rc = devm_snd_soc_register_component(dev, &pcm3060_soc_comp_driver, + pcm3060_dai, + ARRAY_SIZE(pcm3060_dai)); + if (rc) { + dev_err(dev, "failed to register component, rc=%d\n", rc); + return rc; + } + + return 0; +} +EXPORT_SYMBOL(pcm3060_probe); + +MODULE_DESCRIPTION("PCM3060 codec driver"); +MODULE_AUTHOR("Kirill Marinushkin <kmarinushkin@birdec.tech>"); +MODULE_LICENSE("GPL v2"); |