123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560 |
- // SPDX-License-Identifier: GPL-2.0-or-later
- /*
- * AD193X Audio Codec driver supporting AD1936/7/8/9
- *
- * Copyright 2010 Analog Devices Inc.
- */
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/device.h>
- #include <linux/regmap.h>
- #include <linux/slab.h>
- #include <sound/core.h>
- #include <sound/pcm.h>
- #include <sound/pcm_params.h>
- #include <sound/initval.h>
- #include <sound/soc.h>
- #include <sound/tlv.h>
- #include "ad193x.h"
- /* codec private data */
- struct ad193x_priv {
- struct regmap *regmap;
- enum ad193x_type type;
- int sysclk;
- };
- /*
- * AD193X volume/mute/de-emphasis etc. controls
- */
- static const char * const ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"};
- static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1,
- ad193x_deemp);
- static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0);
- static const unsigned int ad193x_sb[] = {32};
- static struct snd_pcm_hw_constraint_list constr = {
- .list = ad193x_sb,
- .count = ARRAY_SIZE(ad193x_sb),
- };
- static const struct snd_kcontrol_new ad193x_snd_controls[] = {
- /* DAC volume control */
- SOC_DOUBLE_R_TLV("DAC1 Volume", AD193X_DAC_L1_VOL,
- AD193X_DAC_R1_VOL, 0, 0xFF, 1, adau193x_tlv),
- SOC_DOUBLE_R_TLV("DAC2 Volume", AD193X_DAC_L2_VOL,
- AD193X_DAC_R2_VOL, 0, 0xFF, 1, adau193x_tlv),
- SOC_DOUBLE_R_TLV("DAC3 Volume", AD193X_DAC_L3_VOL,
- AD193X_DAC_R3_VOL, 0, 0xFF, 1, adau193x_tlv),
- SOC_DOUBLE_R_TLV("DAC4 Volume", AD193X_DAC_L4_VOL,
- AD193X_DAC_R4_VOL, 0, 0xFF, 1, adau193x_tlv),
- /* DAC switch control */
- SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE,
- AD193X_DACR1_MUTE, 1, 1),
- SOC_DOUBLE("DAC2 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL2_MUTE,
- AD193X_DACR2_MUTE, 1, 1),
- SOC_DOUBLE("DAC3 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL3_MUTE,
- AD193X_DACR3_MUTE, 1, 1),
- SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE,
- AD193X_DACR4_MUTE, 1, 1),
- /* DAC de-emphasis */
- SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
- };
- static const struct snd_kcontrol_new ad193x_adc_snd_controls[] = {
- /* ADC switch control */
- SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
- AD193X_ADCR1_MUTE, 1, 1),
- SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
- AD193X_ADCR2_MUTE, 1, 1),
- /* ADC high-pass filter */
- SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0,
- AD193X_ADC_HIGHPASS_FILTER, 1, 0),
- };
- static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
- SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0),
- SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
- SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
- SND_SOC_DAPM_VMID("VMID"),
- 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_widget ad193x_adc_widgets[] = {
- SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
- SND_SOC_DAPM_INPUT("ADC1IN"),
- SND_SOC_DAPM_INPUT("ADC2IN"),
- };
- static int ad193x_check_pll(struct snd_soc_dapm_widget *source,
- struct snd_soc_dapm_widget *sink)
- {
- struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
- return !!ad193x->sysclk;
- }
- static const struct snd_soc_dapm_route audio_paths[] = {
- { "DAC", NULL, "SYSCLK" },
- { "DAC Output", NULL, "DAC" },
- { "DAC Output", NULL, "VMID" },
- { "DAC1OUT", NULL, "DAC Output" },
- { "DAC2OUT", NULL, "DAC Output" },
- { "DAC3OUT", NULL, "DAC Output" },
- { "DAC4OUT", NULL, "DAC Output" },
- { "SYSCLK", NULL, "PLL_PWR", &ad193x_check_pll },
- };
- static const struct snd_soc_dapm_route ad193x_adc_audio_paths[] = {
- { "ADC", NULL, "SYSCLK" },
- { "ADC", NULL, "ADC_PWR" },
- { "ADC", NULL, "ADC1IN" },
- { "ADC", NULL, "ADC2IN" },
- };
- static inline bool ad193x_has_adc(const struct ad193x_priv *ad193x)
- {
- switch (ad193x->type) {
- case AD1933:
- case AD1934:
- return false;
- default:
- break;
- }
- return true;
- }
- /*
- * DAI ops entries
- */
- static int ad193x_mute(struct snd_soc_dai *dai, int mute, int direction)
- {
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(dai->component);
- if (mute)
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
- AD193X_DAC_MASTER_MUTE,
- AD193X_DAC_MASTER_MUTE);
- else
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
- AD193X_DAC_MASTER_MUTE, 0);
- return 0;
- }
- static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
- unsigned int rx_mask, int slots, int width)
- {
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(dai->component);
- unsigned int channels;
- switch (slots) {
- case 2:
- channels = AD193X_2_CHANNELS;
- break;
- case 4:
- channels = AD193X_4_CHANNELS;
- break;
- case 8:
- channels = AD193X_8_CHANNELS;
- break;
- case 16:
- channels = AD193X_16_CHANNELS;
- break;
- default:
- return -EINVAL;
- }
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
- AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT);
- if (ad193x_has_adc(ad193x))
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
- AD193X_ADC_CHAN_MASK,
- channels << AD193X_ADC_CHAN_SHFT);
- return 0;
- }
- static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
- {
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(codec_dai->component);
- unsigned int adc_serfmt = 0;
- unsigned int dac_serfmt = 0;
- unsigned int adc_fmt = 0;
- unsigned int dac_fmt = 0;
- /* At present, the driver only support AUX ADC mode(SND_SOC_DAIFMT_I2S
- * with TDM), ADC&DAC TDM mode(SND_SOC_DAIFMT_DSP_A) and DAC I2S mode
- * (SND_SOC_DAIFMT_I2S)
- */
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- adc_serfmt |= AD193X_ADC_SERFMT_TDM;
- dac_serfmt |= AD193X_DAC_SERFMT_STEREO;
- break;
- case SND_SOC_DAIFMT_DSP_A:
- adc_serfmt |= AD193X_ADC_SERFMT_AUX;
- dac_serfmt |= AD193X_DAC_SERFMT_TDM;
- break;
- default:
- if (ad193x_has_adc(ad193x))
- return -EINVAL;
- }
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_NB_NF: /* normal bit clock + frame */
- break;
- case SND_SOC_DAIFMT_NB_IF: /* normal bclk + invert frm */
- adc_fmt |= AD193X_ADC_LEFT_HIGH;
- dac_fmt |= AD193X_DAC_LEFT_HIGH;
- break;
- case SND_SOC_DAIFMT_IB_NF: /* invert bclk + normal frm */
- adc_fmt |= AD193X_ADC_BCLK_INV;
- dac_fmt |= AD193X_DAC_BCLK_INV;
- break;
- case SND_SOC_DAIFMT_IB_IF: /* invert bclk + frm */
- adc_fmt |= AD193X_ADC_LEFT_HIGH;
- adc_fmt |= AD193X_ADC_BCLK_INV;
- dac_fmt |= AD193X_DAC_LEFT_HIGH;
- dac_fmt |= AD193X_DAC_BCLK_INV;
- break;
- default:
- return -EINVAL;
- }
- /* For DSP_*, LRCLK's polarity must be inverted */
- if (fmt & SND_SOC_DAIFMT_DSP_A)
- dac_fmt ^= AD193X_DAC_LEFT_HIGH;
- switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
- case SND_SOC_DAIFMT_CBP_CFP:
- adc_fmt |= AD193X_ADC_LCR_MASTER;
- adc_fmt |= AD193X_ADC_BCLK_MASTER;
- dac_fmt |= AD193X_DAC_LCR_MASTER;
- dac_fmt |= AD193X_DAC_BCLK_MASTER;
- break;
- case SND_SOC_DAIFMT_CBC_CFP:
- adc_fmt |= AD193X_ADC_LCR_MASTER;
- dac_fmt |= AD193X_DAC_LCR_MASTER;
- break;
- case SND_SOC_DAIFMT_CBP_CFC:
- adc_fmt |= AD193X_ADC_BCLK_MASTER;
- dac_fmt |= AD193X_DAC_BCLK_MASTER;
- break;
- case SND_SOC_DAIFMT_CBC_CFC:
- break;
- default:
- return -EINVAL;
- }
- if (ad193x_has_adc(ad193x)) {
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
- AD193X_ADC_SERFMT_MASK, adc_serfmt);
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
- AD193X_ADC_FMT_MASK, adc_fmt);
- }
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL0,
- AD193X_DAC_SERFMT_MASK, dac_serfmt);
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
- AD193X_DAC_FMT_MASK, dac_fmt);
- return 0;
- }
- static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
- {
- struct snd_soc_component *component = codec_dai->component;
- struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
- if (clk_id == AD193X_SYSCLK_MCLK) {
- /* MCLK must be 512 x fs */
- if (dir == SND_SOC_CLOCK_OUT || freq != 24576000)
- return -EINVAL;
- regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL1,
- AD193X_PLL_SRC_MASK,
- AD193X_PLL_DAC_SRC_MCLK |
- AD193X_PLL_CLK_SRC_MCLK);
- snd_soc_dapm_sync(dapm);
- return 0;
- }
- switch (freq) {
- case 12288000:
- case 18432000:
- case 24576000:
- case 36864000:
- ad193x->sysclk = freq;
- return 0;
- }
- return -EINVAL;
- }
- static int ad193x_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
- {
- int word_len = 0, master_rate = 0;
- struct snd_soc_component *component = dai->component;
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
- bool is_playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
- u8 dacc0;
- dev_dbg(dai->dev, "%s() rate=%u format=%#x width=%u channels=%u\n",
- __func__, params_rate(params), params_format(params),
- params_width(params), params_channels(params));
- /* bit size */
- switch (params_width(params)) {
- case 16:
- word_len = 3;
- break;
- case 20:
- word_len = 1;
- break;
- case 24:
- case 32:
- word_len = 0;
- break;
- }
- switch (ad193x->sysclk) {
- case 12288000:
- master_rate = AD193X_PLL_INPUT_256;
- break;
- case 18432000:
- master_rate = AD193X_PLL_INPUT_384;
- break;
- case 24576000:
- master_rate = AD193X_PLL_INPUT_512;
- break;
- case 36864000:
- master_rate = AD193X_PLL_INPUT_768;
- break;
- }
- if (is_playback) {
- switch (params_rate(params)) {
- case 48000:
- dacc0 = AD193X_DAC_SR_48;
- break;
- case 96000:
- dacc0 = AD193X_DAC_SR_96;
- break;
- case 192000:
- dacc0 = AD193X_DAC_SR_192;
- break;
- default:
- dev_err(dai->dev, "invalid sampling rate: %d\n", params_rate(params));
- return -EINVAL;
- }
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL0, AD193X_DAC_SR_MASK, dacc0);
- }
- regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0,
- AD193X_PLL_INPUT_MASK, master_rate);
- regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL2,
- AD193X_DAC_WORD_LEN_MASK,
- word_len << AD193X_DAC_WORD_LEN_SHFT);
- if (ad193x_has_adc(ad193x))
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
- AD193X_ADC_WORD_LEN_MASK, word_len);
- return 0;
- }
- static int ad193x_startup(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
- {
- return snd_pcm_hw_constraint_list(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
- &constr);
- }
- static const struct snd_soc_dai_ops ad193x_dai_ops = {
- .startup = ad193x_startup,
- .hw_params = ad193x_hw_params,
- .mute_stream = ad193x_mute,
- .set_tdm_slot = ad193x_set_tdm_slot,
- .set_sysclk = ad193x_set_dai_sysclk,
- .set_fmt = ad193x_set_dai_fmt,
- .no_capture_mute = 1,
- };
- /* codec DAI instance */
- static struct snd_soc_dai_driver ad193x_dai = {
- .name = "ad193x-hifi",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 2,
- .channels_max = 8,
- .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
- .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 = &ad193x_dai_ops,
- };
- /* codec DAI instance for DAC only */
- static struct snd_soc_dai_driver ad193x_no_adc_dai = {
- .name = "ad193x-hifi",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 2,
- .channels_max = 8,
- .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
- .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
- },
- .ops = &ad193x_dai_ops,
- };
- /* codec register values to set after reset */
- static void ad193x_reg_default_init(struct ad193x_priv *ad193x)
- {
- static const struct reg_sequence reg_init[] = {
- { 0, 0x99 }, /* PLL_CLK_CTRL0: pll input: mclki/xi 12.288Mhz */
- { 1, 0x04 }, /* PLL_CLK_CTRL1: no on-chip Vref */
- { 2, 0x40 }, /* DAC_CTRL0: TDM mode */
- { 3, 0x00 }, /* DAC_CTRL1: reset */
- { 4, 0x1A }, /* DAC_CTRL2: 48kHz de-emphasis, unmute dac */
- { 5, 0x00 }, /* DAC_CHNL_MUTE: unmute DAC channels */
- { 6, 0x00 }, /* DAC_L1_VOL: no attenuation */
- { 7, 0x00 }, /* DAC_R1_VOL: no attenuation */
- { 8, 0x00 }, /* DAC_L2_VOL: no attenuation */
- { 9, 0x00 }, /* DAC_R2_VOL: no attenuation */
- { 10, 0x00 }, /* DAC_L3_VOL: no attenuation */
- { 11, 0x00 }, /* DAC_R3_VOL: no attenuation */
- { 12, 0x00 }, /* DAC_L4_VOL: no attenuation */
- { 13, 0x00 }, /* DAC_R4_VOL: no attenuation */
- };
- static const struct reg_sequence reg_adc_init[] = {
- { 14, 0x03 }, /* ADC_CTRL0: high-pass filter enable */
- { 15, 0x43 }, /* ADC_CTRL1: sata delay=1, adc aux mode */
- { 16, 0x00 }, /* ADC_CTRL2: reset */
- };
- regmap_multi_reg_write(ad193x->regmap, reg_init, ARRAY_SIZE(reg_init));
- if (ad193x_has_adc(ad193x)) {
- regmap_multi_reg_write(ad193x->regmap, reg_adc_init,
- ARRAY_SIZE(reg_adc_init));
- }
- }
- static int ad193x_component_probe(struct snd_soc_component *component)
- {
- struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component);
- struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
- int num, ret;
- /* default setting for ad193x */
- ad193x_reg_default_init(ad193x);
- /* adc only */
- if (ad193x_has_adc(ad193x)) {
- /* add adc controls */
- num = ARRAY_SIZE(ad193x_adc_snd_controls);
- ret = snd_soc_add_component_controls(component,
- ad193x_adc_snd_controls,
- num);
- if (ret)
- return ret;
- /* add adc widgets */
- num = ARRAY_SIZE(ad193x_adc_widgets);
- ret = snd_soc_dapm_new_controls(dapm,
- ad193x_adc_widgets,
- num);
- if (ret)
- return ret;
- /* add adc routes */
- num = ARRAY_SIZE(ad193x_adc_audio_paths);
- ret = snd_soc_dapm_add_routes(dapm,
- ad193x_adc_audio_paths,
- num);
- if (ret)
- return ret;
- }
- return 0;
- }
- static const struct snd_soc_component_driver soc_component_dev_ad193x = {
- .probe = ad193x_component_probe,
- .controls = ad193x_snd_controls,
- .num_controls = ARRAY_SIZE(ad193x_snd_controls),
- .dapm_widgets = ad193x_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(ad193x_dapm_widgets),
- .dapm_routes = audio_paths,
- .num_dapm_routes = ARRAY_SIZE(audio_paths),
- .idle_bias_on = 1,
- .use_pmdown_time = 1,
- .endianness = 1,
- };
- const struct regmap_config ad193x_regmap_config = {
- .max_register = AD193X_NUM_REGS - 1,
- };
- EXPORT_SYMBOL_GPL(ad193x_regmap_config);
- int ad193x_probe(struct device *dev, struct regmap *regmap,
- enum ad193x_type type)
- {
- struct ad193x_priv *ad193x;
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
- ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL);
- if (ad193x == NULL)
- return -ENOMEM;
- ad193x->regmap = regmap;
- ad193x->type = type;
- dev_set_drvdata(dev, ad193x);
- if (ad193x_has_adc(ad193x))
- return devm_snd_soc_register_component(dev, &soc_component_dev_ad193x,
- &ad193x_dai, 1);
- return devm_snd_soc_register_component(dev, &soc_component_dev_ad193x,
- &ad193x_no_adc_dai, 1);
- }
- EXPORT_SYMBOL_GPL(ad193x_probe);
- MODULE_DESCRIPTION("ASoC ad193x driver");
- MODULE_AUTHOR("Barry Song <[email protected]>");
- MODULE_LICENSE("GPL");
|