| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Paul Cercueil | 3692 | 99.41% | 5 | 55.56% |
| Kuninori Morimoto | 11 | 0.30% | 1 | 11.11% |
| Christophe Branchereau | 8 | 0.22% | 1 | 11.11% |
| Gustavo A. R. Silva | 2 | 0.05% | 1 | 11.11% |
| tangbin | 1 | 0.03% | 1 | 11.11% |
| Total | 3714 | 9 |
// SPDX-License-Identifier: GPL-2.0 // // Ingenic JZ4770 CODEC driver // // Copyright (C) 2012, Maarten ter Huurne <maarten@treewalker.org> // Copyright (C) 2019, Paul Cercueil <paul@crapouillou.net> #include <linux/clk.h> #include <linux/delay.h> #include <linux/iopoll.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/time64.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dai.h> #include <sound/soc-dapm.h> #include <sound/tlv.h> #define ICDC_RGADW_OFFSET 0x00 #define ICDC_RGDATA_OFFSET 0x04 /* ICDC internal register access control register(RGADW) */ #define ICDC_RGADW_RGWR BIT(16) #define ICDC_RGADW_RGADDR_OFFSET 8 #define ICDC_RGADW_RGADDR_MASK GENMASK(14, ICDC_RGADW_RGADDR_OFFSET) #define ICDC_RGADW_RGDIN_OFFSET 0 #define ICDC_RGADW_RGDIN_MASK GENMASK(7, ICDC_RGADW_RGDIN_OFFSET) /* ICDC internal register data output register (RGDATA)*/ #define ICDC_RGDATA_IRQ BIT(8) #define ICDC_RGDATA_RGDOUT_OFFSET 0 #define ICDC_RGDATA_RGDOUT_MASK GENMASK(7, ICDC_RGDATA_RGDOUT_OFFSET) /* Internal register space, accessed through regmap */ enum { JZ4770_CODEC_REG_SR, JZ4770_CODEC_REG_AICR_DAC, JZ4770_CODEC_REG_AICR_ADC, JZ4770_CODEC_REG_CR_LO, JZ4770_CODEC_REG_CR_HP, JZ4770_CODEC_REG_MISSING_REG1, JZ4770_CODEC_REG_CR_DAC, JZ4770_CODEC_REG_CR_MIC, JZ4770_CODEC_REG_CR_LI, JZ4770_CODEC_REG_CR_ADC, JZ4770_CODEC_REG_CR_MIX, JZ4770_CODEC_REG_CR_VIC, JZ4770_CODEC_REG_CCR, JZ4770_CODEC_REG_FCR_DAC, JZ4770_CODEC_REG_FCR_ADC, JZ4770_CODEC_REG_ICR, JZ4770_CODEC_REG_IMR, JZ4770_CODEC_REG_IFR, JZ4770_CODEC_REG_GCR_HPL, JZ4770_CODEC_REG_GCR_HPR, JZ4770_CODEC_REG_GCR_LIBYL, JZ4770_CODEC_REG_GCR_LIBYR, JZ4770_CODEC_REG_GCR_DACL, JZ4770_CODEC_REG_GCR_DACR, JZ4770_CODEC_REG_GCR_MIC1, JZ4770_CODEC_REG_GCR_MIC2, JZ4770_CODEC_REG_GCR_ADCL, JZ4770_CODEC_REG_GCR_ADCR, JZ4770_CODEC_REG_MISSING_REG2, JZ4770_CODEC_REG_GCR_MIXADC, JZ4770_CODEC_REG_GCR_MIXDAC, JZ4770_CODEC_REG_AGC1, JZ4770_CODEC_REG_AGC2, JZ4770_CODEC_REG_AGC3, JZ4770_CODEC_REG_AGC4, JZ4770_CODEC_REG_AGC5, }; #define REG_AICR_DAC_ADWL_OFFSET 6 #define REG_AICR_DAC_ADWL_MASK (0x3 << REG_AICR_DAC_ADWL_OFFSET) #define REG_AICR_DAC_SERIAL BIT(1) #define REG_AICR_DAC_I2S BIT(0) #define REG_AICR_ADC_ADWL_OFFSET 6 #define REG_AICR_ADC_ADWL_MASK (0x3 << REG_AICR_ADC_ADWL_OFFSET) #define REG_AICR_ADC_SERIAL BIT(1) #define REG_AICR_ADC_I2S BIT(0) #define REG_CR_LO_MUTE_OFFSET 7 #define REG_CR_LO_SB_OFFSET 4 #define REG_CR_LO_SEL_OFFSET 0 #define REG_CR_LO_SEL_MASK (0x3 << REG_CR_LO_SEL_OFFSET) #define REG_CR_HP_MUTE BIT(7) #define REG_CR_HP_LOAD BIT(6) #define REG_CR_HP_SB_OFFSET 4 #define REG_CR_HP_SB_HPCM_OFFSET 3 #define REG_CR_HP_SEL_OFFSET 0 #define REG_CR_HP_SEL_MASK (0x3 << REG_CR_HP_SEL_OFFSET) #define REG_CR_DAC_MUTE BIT(7) #define REG_CR_DAC_MONO BIT(6) #define REG_CR_DAC_LEFT_ONLY BIT(5) #define REG_CR_DAC_SB_OFFSET 4 #define REG_CR_DAC_LRSWAP BIT(3) #define REG_CR_MIC_STEREO_OFFSET 7 #define REG_CR_MIC_IDIFF_OFFSET 6 #define REG_CR_MIC_SB_MIC2_OFFSET 5 #define REG_CR_MIC_SB_MIC1_OFFSET 4 #define REG_CR_MIC_BIAS_V0_OFFSET 1 #define REG_CR_MIC_BIAS_SB_OFFSET 0 #define REG_CR_LI_LIBY_OFFSET 4 #define REG_CR_LI_SB_OFFSET 0 #define REG_CR_ADC_DMIC_SEL BIT(7) #define REG_CR_ADC_MONO BIT(6) #define REG_CR_ADC_LEFT_ONLY BIT(5) #define REG_CR_ADC_SB_OFFSET 4 #define REG_CR_ADC_LRSWAP BIT(3) #define REG_CR_ADC_IN_SEL_OFFSET 0 #define REG_CR_ADC_IN_SEL_MASK (0x3 << REG_CR_ADC_IN_SEL_OFFSET) #define REG_CR_VIC_SB_SLEEP BIT(1) #define REG_CR_VIC_SB BIT(0) #define REG_CCR_CRYSTAL_OFFSET 0 #define REG_CCR_CRYSTAL_MASK (0xf << REG_CCR_CRYSTAL_OFFSET) #define REG_FCR_DAC_FREQ_OFFSET 0 #define REG_FCR_DAC_FREQ_MASK (0xf << REG_FCR_DAC_FREQ_OFFSET) #define REG_FCR_ADC_FREQ_OFFSET 0 #define REG_FCR_ADC_FREQ_MASK (0xf << REG_FCR_ADC_FREQ_OFFSET) #define REG_ICR_INT_FORM_OFFSET 6 #define REG_ICR_INT_FORM_MASK (0x3 << REG_ICR_INT_FORM_OFFSET) #define REG_IMR_ALL_MASK (0x7f) #define REG_IMR_SCLR_MASK BIT(6) #define REG_IMR_JACK_MASK BIT(5) #define REG_IMR_SCMC_MASK BIT(4) #define REG_IMR_RUP_MASK BIT(3) #define REG_IMR_RDO_MASK BIT(2) #define REG_IMR_GUP_MASK BIT(1) #define REG_IMR_GDO_MASK BIT(0) #define REG_IFR_ALL_MASK (0x7f) #define REG_IFR_SCLR BIT(6) #define REG_IFR_JACK BIT(5) #define REG_IFR_SCMC BIT(4) #define REG_IFR_RUP BIT(3) #define REG_IFR_RDO BIT(2) #define REG_IFR_GUP BIT(1) #define REG_IFR_GDO BIT(0) #define REG_GCR_HPL_LRGO BIT(7) #define REG_GCR_DACL_RLGOD BIT(7) #define REG_GCR_GAIN_OFFSET 0 #define REG_GCR_GAIN_MAX 0x1f #define REG_GCR_MIC_GAIN_OFFSET 0 #define REG_GCR_MIC_GAIN_MAX 5 #define REG_GCR_ADC_GAIN_OFFSET 0 #define REG_GCR_ADC_GAIN_MAX 23 #define REG_AGC1_EN BIT(7) /* codec private data */ struct jz_codec { struct device *dev; struct regmap *regmap; void __iomem *base; struct clk *clk; }; static int jz4770_codec_set_bias_level(struct snd_soc_component *codec, enum snd_soc_bias_level level) { struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); struct regmap *regmap = jz_codec->regmap; switch (level) { case SND_SOC_BIAS_PREPARE: /* Reset all interrupt flags. */ regmap_write(regmap, JZ4770_CODEC_REG_IFR, REG_IFR_ALL_MASK); regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_VIC, REG_CR_VIC_SB); msleep(250); regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_VIC, REG_CR_VIC_SB_SLEEP); msleep(400); break; case SND_SOC_BIAS_STANDBY: regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_VIC, REG_CR_VIC_SB_SLEEP); regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_VIC, REG_CR_VIC_SB); fallthrough; default: break; } return 0; } static int jz4770_codec_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *codec = dai->component; struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); /* * SYSCLK output from the codec to the AIC is required to keep the * DMA transfer going during playback when all audible outputs have * been disabled. */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dapm_force_enable_pin(dapm, "SYSCLK"); return 0; } static void jz4770_codec_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_component *codec = dai->component; struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(codec); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) snd_soc_dapm_disable_pin(dapm, "SYSCLK"); } static int jz4770_codec_pcm_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct snd_soc_component *codec = dai->component; int ret = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) snd_soc_component_force_bias_level(codec, SND_SOC_BIAS_ON); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* do nothing */ break; default: ret = -EINVAL; } return ret; } static int jz4770_codec_mute_stream(struct snd_soc_dai *dai, int mute, int direction) { struct snd_soc_component *codec = dai->component; struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); unsigned int gain_bit = mute ? REG_IFR_GDO : REG_IFR_GUP; unsigned int val; int change, err; change = snd_soc_component_update_bits(codec, JZ4770_CODEC_REG_CR_DAC, REG_CR_DAC_MUTE, mute ? REG_CR_DAC_MUTE : 0); if (change == 1) { regmap_read(jz_codec->regmap, JZ4770_CODEC_REG_CR_DAC, &val); if (val & BIT(REG_CR_DAC_SB_OFFSET)) return 1; err = regmap_read_poll_timeout(jz_codec->regmap, JZ4770_CODEC_REG_IFR, val, val & gain_bit, 1000, 1 * USEC_PER_SEC); if (err) { dev_err(jz_codec->dev, "Timeout while setting digital mute: %d", err); return err; } /* clear GUP/GDO flag */ regmap_set_bits(jz_codec->regmap, JZ4770_CODEC_REG_IFR, gain_bit); } return 0; } /* unit: 0.01dB */ static const DECLARE_TLV_DB_MINMAX_MUTE(dac_tlv, -3100, 0); static const DECLARE_TLV_DB_SCALE(adc_tlv, 0, 100, 0); static const DECLARE_TLV_DB_MINMAX(out_tlv, -2500, 600); static const DECLARE_TLV_DB_SCALE(linein_tlv, -2500, 100, 0); static const DECLARE_TLV_DB_MINMAX(mixer_tlv, -3100, 0); /* Unconditional controls. */ static const struct snd_kcontrol_new jz4770_codec_snd_controls[] = { /* record gain control */ SOC_DOUBLE_R_TLV("PCM Capture Volume", JZ4770_CODEC_REG_GCR_ADCL, JZ4770_CODEC_REG_GCR_ADCR, REG_GCR_ADC_GAIN_OFFSET, REG_GCR_ADC_GAIN_MAX, 0, adc_tlv), SOC_DOUBLE_R_TLV("Line In Bypass Playback Volume", JZ4770_CODEC_REG_GCR_LIBYL, JZ4770_CODEC_REG_GCR_LIBYR, REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, linein_tlv), SOC_SINGLE_TLV("Mixer Capture Volume", JZ4770_CODEC_REG_GCR_MIXADC, REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, mixer_tlv), SOC_SINGLE_TLV("Mixer Playback Volume", JZ4770_CODEC_REG_GCR_MIXDAC, REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, mixer_tlv), }; static const struct snd_kcontrol_new jz4770_codec_pcm_playback_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Volume", .info = snd_soc_info_volsw, .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, .tlv.p = dac_tlv, .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, /* * NOTE: DACR/DACL are inversed; the gain value written to DACR * seems to affect the left channel, and the gain value written * to DACL seems to affect the right channel. */ .private_value = SOC_DOUBLE_R_VALUE(JZ4770_CODEC_REG_GCR_DACR, JZ4770_CODEC_REG_GCR_DACL, REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1), }, }; static const struct snd_kcontrol_new jz4770_codec_hp_playback_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Volume", .info = snd_soc_info_volsw, .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE, .tlv.p = out_tlv, .get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, /* HPR/HPL inversed for the same reason as above */ .private_value = SOC_DOUBLE_R_VALUE(JZ4770_CODEC_REG_GCR_HPR, JZ4770_CODEC_REG_GCR_HPL, REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1), }, }; static int hpout_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); unsigned int val; int err; switch (event) { case SND_SOC_DAPM_PRE_PMU: /* unmute HP */ regmap_clear_bits(jz_codec->regmap, JZ4770_CODEC_REG_CR_HP, REG_CR_HP_MUTE); break; case SND_SOC_DAPM_POST_PMU: /* wait for ramp-up complete (RUP) */ err = regmap_read_poll_timeout(jz_codec->regmap, JZ4770_CODEC_REG_IFR, val, val & REG_IFR_RUP, 1000, 1 * USEC_PER_SEC); if (err) { dev_err(jz_codec->dev, "RUP timeout: %d", err); return err; } /* clear RUP flag */ regmap_set_bits(jz_codec->regmap, JZ4770_CODEC_REG_IFR, REG_IFR_RUP); break; case SND_SOC_DAPM_POST_PMD: /* mute HP */ regmap_set_bits(jz_codec->regmap, JZ4770_CODEC_REG_CR_HP, REG_CR_HP_MUTE); err = regmap_read_poll_timeout(jz_codec->regmap, JZ4770_CODEC_REG_IFR, val, val & REG_IFR_RDO, 1000, 1 * USEC_PER_SEC); if (err) { dev_err(jz_codec->dev, "RDO timeout: %d", err); return err; } /* clear RDO flag */ regmap_set_bits(jz_codec->regmap, JZ4770_CODEC_REG_IFR, REG_IFR_RDO); break; } return 0; } static int adc_poweron_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { if (event == SND_SOC_DAPM_POST_PMU) msleep(1000); return 0; } static const char * const jz4770_codec_hp_texts[] = { "PCM", "Line In", "Mic 1", "Mic 2" }; static const unsigned int jz4770_codec_hp_values[] = { 3, 2, 0, 1 }; static SOC_VALUE_ENUM_SINGLE_DECL(jz4770_codec_hp_enum, JZ4770_CODEC_REG_CR_HP, REG_CR_HP_SEL_OFFSET, REG_CR_HP_SEL_MASK, jz4770_codec_hp_texts, jz4770_codec_hp_values); static const struct snd_kcontrol_new jz4770_codec_hp_source = SOC_DAPM_ENUM("Route", jz4770_codec_hp_enum); static SOC_VALUE_ENUM_SINGLE_DECL(jz4770_codec_lo_enum, JZ4770_CODEC_REG_CR_LO, REG_CR_LO_SEL_OFFSET, REG_CR_LO_SEL_MASK, jz4770_codec_hp_texts, jz4770_codec_hp_values); static const struct snd_kcontrol_new jz4770_codec_lo_source = SOC_DAPM_ENUM("Route", jz4770_codec_lo_enum); static const char * const jz4770_codec_cap_texts[] = { "Line In", "Mic 1", "Mic 2" }; static const unsigned int jz4770_codec_cap_values[] = { 2, 0, 1 }; static SOC_VALUE_ENUM_SINGLE_DECL(jz4770_codec_cap_enum, JZ4770_CODEC_REG_CR_ADC, REG_CR_ADC_IN_SEL_OFFSET, REG_CR_ADC_IN_SEL_MASK, jz4770_codec_cap_texts, jz4770_codec_cap_values); static const struct snd_kcontrol_new jz4770_codec_cap_source = SOC_DAPM_ENUM("Route", jz4770_codec_cap_enum); static const struct snd_kcontrol_new jz4770_codec_mic_controls[] = { SOC_DAPM_SINGLE("Stereo Capture Switch", JZ4770_CODEC_REG_CR_MIC, REG_CR_MIC_STEREO_OFFSET, 1, 0), }; static const struct snd_soc_dapm_widget jz4770_codec_dapm_widgets[] = { SND_SOC_DAPM_PGA_E("HP Out", JZ4770_CODEC_REG_CR_HP, REG_CR_HP_SB_OFFSET, 1, NULL, 0, hpout_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA("Line Out", JZ4770_CODEC_REG_CR_LO, REG_CR_LO_SB_OFFSET, 1, NULL, 0), SND_SOC_DAPM_PGA("Line Out Switch 2", JZ4770_CODEC_REG_CR_LO, REG_CR_LO_MUTE_OFFSET, 1, NULL, 0), SND_SOC_DAPM_PGA("Line In", JZ4770_CODEC_REG_CR_LI, REG_CR_LI_SB_OFFSET, 1, NULL, 0), SND_SOC_DAPM_MUX("Headphones Source", SND_SOC_NOPM, 0, 0, &jz4770_codec_hp_source), SND_SOC_DAPM_MUX("Capture Source", SND_SOC_NOPM, 0, 0, &jz4770_codec_cap_source), SND_SOC_DAPM_MUX("Line Out Source", SND_SOC_NOPM, 0, 0, &jz4770_codec_lo_source), SND_SOC_DAPM_PGA("Mic 1", JZ4770_CODEC_REG_CR_MIC, REG_CR_MIC_SB_MIC1_OFFSET, 1, NULL, 0), SND_SOC_DAPM_PGA("Mic 2", JZ4770_CODEC_REG_CR_MIC, REG_CR_MIC_SB_MIC2_OFFSET, 1, NULL, 0), SND_SOC_DAPM_PGA("Mic Diff", JZ4770_CODEC_REG_CR_MIC, REG_CR_MIC_IDIFF_OFFSET, 0, NULL, 0), SND_SOC_DAPM_MIXER("Mic", SND_SOC_NOPM, 0, 0, jz4770_codec_mic_controls, ARRAY_SIZE(jz4770_codec_mic_controls)), SND_SOC_DAPM_PGA("Line In Bypass", JZ4770_CODEC_REG_CR_LI, REG_CR_LI_LIBY_OFFSET, 1, NULL, 0), SND_SOC_DAPM_ADC_E("ADC", "HiFi Capture", JZ4770_CODEC_REG_CR_ADC, REG_CR_ADC_SB_OFFSET, 1, adc_poweron_event, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_DAC("DAC", "HiFi Playback", JZ4770_CODEC_REG_CR_DAC, REG_CR_DAC_SB_OFFSET, 1), SND_SOC_DAPM_MIXER("PCM Playback", SND_SOC_NOPM, 0, 0, jz4770_codec_pcm_playback_controls, ARRAY_SIZE(jz4770_codec_pcm_playback_controls)), SND_SOC_DAPM_MIXER("Headphones Playback", SND_SOC_NOPM, 0, 0, jz4770_codec_hp_playback_controls, ARRAY_SIZE(jz4770_codec_hp_playback_controls)), SND_SOC_DAPM_SUPPLY("MICBIAS", JZ4770_CODEC_REG_CR_MIC, REG_CR_MIC_BIAS_SB_OFFSET, 1, NULL, 0), SND_SOC_DAPM_SUPPLY("Cap-less", JZ4770_CODEC_REG_CR_HP, REG_CR_HP_SB_HPCM_OFFSET, 1, NULL, 0), SND_SOC_DAPM_INPUT("MIC1P"), SND_SOC_DAPM_INPUT("MIC1N"), SND_SOC_DAPM_INPUT("MIC2P"), SND_SOC_DAPM_INPUT("MIC2N"), SND_SOC_DAPM_OUTPUT("LOUT"), SND_SOC_DAPM_OUTPUT("ROUT"), SND_SOC_DAPM_OUTPUT("LHPOUT"), SND_SOC_DAPM_OUTPUT("RHPOUT"), SND_SOC_DAPM_INPUT("LLINEIN"), SND_SOC_DAPM_INPUT("RLINEIN"), SND_SOC_DAPM_OUTPUT("SYSCLK"), }; /* Unconditional routes. */ static const struct snd_soc_dapm_route jz4770_codec_dapm_routes[] = { { "Mic 1", NULL, "MIC1P" }, { "Mic Diff", NULL, "MIC1N" }, { "Mic 1", NULL, "Mic Diff" }, { "Mic 2", NULL, "MIC2P" }, { "Mic Diff", NULL, "MIC2N" }, { "Mic 2", NULL, "Mic Diff" }, { "Line In", NULL, "LLINEIN" }, { "Line In", NULL, "RLINEIN" }, { "Mic", "Stereo Capture Switch", "Mic 1" }, { "Mic", "Stereo Capture Switch", "Mic 2" }, { "Headphones Source", "Mic 1", "Mic" }, { "Headphones Source", "Mic 2", "Mic" }, { "Capture Source", "Mic 1", "Mic" }, { "Capture Source", "Mic 2", "Mic" }, { "Headphones Source", "Mic 1", "Mic 1" }, { "Headphones Source", "Mic 2", "Mic 2" }, { "Headphones Source", "Line In", "Line In Bypass" }, { "Headphones Source", "PCM", "Headphones Playback" }, { "HP Out", NULL, "Headphones Source" }, { "Capture Source", "Line In", "Line In" }, { "Capture Source", "Mic 1", "Mic 1" }, { "Capture Source", "Mic 2", "Mic 2" }, { "ADC", NULL, "Capture Source" }, { "Line In Bypass", NULL, "Line In" }, { "Line Out Source", "Line In", "Line In Bypass" }, { "Line Out Source", "PCM", "PCM Playback" }, { "LHPOUT", NULL, "HP Out"}, { "RHPOUT", NULL, "HP Out"}, { "Line Out", NULL, "Line Out Source" }, { "Line Out Switch 2", NULL, "Line Out" }, { "LOUT", NULL, "Line Out Switch 2"}, { "ROUT", NULL, "Line Out Switch 2"}, { "PCM Playback", "Volume", "DAC" }, { "Headphones Playback", "Volume", "PCM Playback" }, { "SYSCLK", NULL, "DAC" }, }; static void jz4770_codec_codec_init_regs(struct snd_soc_component *codec) { struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); struct regmap *regmap = jz_codec->regmap; /* Collect updates for later sending. */ regcache_cache_only(regmap, true); /* default HP output to PCM */ regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_HP, REG_CR_HP_SEL_MASK); /* default line output to PCM */ regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_LO, REG_CR_LO_SEL_MASK); /* Disable stereo mic */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_MIC, BIT(REG_CR_MIC_STEREO_OFFSET)); /* Set mic 1 as default source for ADC */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_ADC, REG_CR_ADC_IN_SEL_MASK); /* ADC/DAC: serial + i2s */ regmap_set_bits(regmap, JZ4770_CODEC_REG_AICR_ADC, REG_AICR_ADC_SERIAL | REG_AICR_ADC_I2S); regmap_set_bits(regmap, JZ4770_CODEC_REG_AICR_DAC, REG_AICR_DAC_SERIAL | REG_AICR_DAC_I2S); /* The generated IRQ is a high level */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_ICR, REG_ICR_INT_FORM_MASK); regmap_update_bits(regmap, JZ4770_CODEC_REG_IMR, REG_IMR_ALL_MASK, REG_IMR_JACK_MASK | REG_IMR_RUP_MASK | REG_IMR_RDO_MASK | REG_IMR_GUP_MASK | REG_IMR_GDO_MASK); /* 12M oscillator */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_CCR, REG_CCR_CRYSTAL_MASK); /* 0: 16ohm/220uF, 1: 10kohm/1uF */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_HP, REG_CR_HP_LOAD); /* disable automatic gain */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_AGC1, REG_AGC1_EN); /* Disable DAC lrswap */ regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_DAC, REG_CR_DAC_LRSWAP); /* Independent L/R DAC gain control */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_GCR_DACL, REG_GCR_DACL_RLGOD); /* Disable ADC lrswap */ regmap_set_bits(regmap, JZ4770_CODEC_REG_CR_ADC, REG_CR_ADC_LRSWAP); /* default to cap-less mode(0) */ regmap_clear_bits(regmap, JZ4770_CODEC_REG_CR_HP, BIT(REG_CR_HP_SB_HPCM_OFFSET)); /* Send collected updates. */ regcache_cache_only(regmap, false); regcache_sync(regmap); } static int jz4770_codec_codec_probe(struct snd_soc_component *codec) { struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); clk_prepare_enable(jz_codec->clk); jz4770_codec_codec_init_regs(codec); return 0; } static void jz4770_codec_codec_remove(struct snd_soc_component *codec) { struct jz_codec *jz_codec = snd_soc_component_get_drvdata(codec); clk_disable_unprepare(jz_codec->clk); } static const struct snd_soc_component_driver jz4770_codec_soc_codec_dev = { .probe = jz4770_codec_codec_probe, .remove = jz4770_codec_codec_remove, .set_bias_level = jz4770_codec_set_bias_level, .controls = jz4770_codec_snd_controls, .num_controls = ARRAY_SIZE(jz4770_codec_snd_controls), .dapm_widgets = jz4770_codec_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(jz4770_codec_dapm_widgets), .dapm_routes = jz4770_codec_dapm_routes, .num_dapm_routes = ARRAY_SIZE(jz4770_codec_dapm_routes), .suspend_bias_off = 1, .use_pmdown_time = 1, }; static const unsigned int jz4770_codec_sample_rates[] = { 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 9600, 8000, }; static int jz4770_codec_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct jz_codec *codec = snd_soc_component_get_drvdata(dai->component); unsigned int rate, bit_width; switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: bit_width = 0; break; case SNDRV_PCM_FORMAT_S18_3LE: bit_width = 1; break; case SNDRV_PCM_FORMAT_S20_3LE: bit_width = 2; break; case SNDRV_PCM_FORMAT_S24_3LE: bit_width = 3; break; default: return -EINVAL; } for (rate = 0; rate < ARRAY_SIZE(jz4770_codec_sample_rates); rate++) { if (jz4770_codec_sample_rates[rate] == params_rate(params)) break; } if (rate == ARRAY_SIZE(jz4770_codec_sample_rates)) return -EINVAL; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_AICR_DAC, REG_AICR_DAC_ADWL_MASK, bit_width << REG_AICR_DAC_ADWL_OFFSET); regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_FCR_DAC, REG_FCR_DAC_FREQ_MASK, rate << REG_FCR_DAC_FREQ_OFFSET); } else { regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_AICR_ADC, REG_AICR_ADC_ADWL_MASK, bit_width << REG_AICR_ADC_ADWL_OFFSET); regmap_update_bits(codec->regmap, JZ4770_CODEC_REG_FCR_ADC, REG_FCR_ADC_FREQ_MASK, rate << REG_FCR_ADC_FREQ_OFFSET); } return 0; } static const struct snd_soc_dai_ops jz4770_codec_dai_ops = { .startup = jz4770_codec_startup, .shutdown = jz4770_codec_shutdown, .hw_params = jz4770_codec_hw_params, .trigger = jz4770_codec_pcm_trigger, .mute_stream = jz4770_codec_mute_stream, .no_capture_mute = 1, }; #define JZ_CODEC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S18_3LE | \ SNDRV_PCM_FMTBIT_S20_3LE | \ SNDRV_PCM_FMTBIT_S24_3LE) static struct snd_soc_dai_driver jz4770_codec_dai = { .name = "jz4770-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_96000, .formats = JZ_CODEC_FORMATS, }, .capture = { .stream_name = "Capture", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_8000_96000, .formats = JZ_CODEC_FORMATS, }, .ops = &jz4770_codec_dai_ops, }; static bool jz4770_codec_volatile(struct device *dev, unsigned int reg) { return reg == JZ4770_CODEC_REG_SR || reg == JZ4770_CODEC_REG_IFR; } static bool jz4770_codec_readable(struct device *dev, unsigned int reg) { switch (reg) { case JZ4770_CODEC_REG_MISSING_REG1: case JZ4770_CODEC_REG_MISSING_REG2: return false; default: return true; } } static bool jz4770_codec_writeable(struct device *dev, unsigned int reg) { switch (reg) { case JZ4770_CODEC_REG_SR: case JZ4770_CODEC_REG_MISSING_REG1: case JZ4770_CODEC_REG_MISSING_REG2: return false; default: return true; } } static int jz4770_codec_io_wait(struct jz_codec *codec) { u32 reg; return readl_poll_timeout(codec->base + ICDC_RGADW_OFFSET, reg, !(reg & ICDC_RGADW_RGWR), 1000, 1 * USEC_PER_SEC); } static int jz4770_codec_reg_read(void *context, unsigned int reg, unsigned int *val) { struct jz_codec *codec = context; unsigned int i; u32 tmp; int ret; ret = jz4770_codec_io_wait(codec); if (ret) return ret; tmp = readl(codec->base + ICDC_RGADW_OFFSET); tmp = (tmp & ~ICDC_RGADW_RGADDR_MASK) | (reg << ICDC_RGADW_RGADDR_OFFSET); writel(tmp, codec->base + ICDC_RGADW_OFFSET); /* wait 6+ cycles */ for (i = 0; i < 6; i++) *val = readl(codec->base + ICDC_RGDATA_OFFSET) & ICDC_RGDATA_RGDOUT_MASK; return 0; } static int jz4770_codec_reg_write(void *context, unsigned int reg, unsigned int val) { struct jz_codec *codec = context; int ret; ret = jz4770_codec_io_wait(codec); if (ret) return ret; writel(ICDC_RGADW_RGWR | (reg << ICDC_RGADW_RGADDR_OFFSET) | val, codec->base + ICDC_RGADW_OFFSET); ret = jz4770_codec_io_wait(codec); if (ret) return ret; return 0; } static const u8 jz4770_codec_reg_defaults[] = { 0x00, 0xC3, 0xC3, 0x90, 0x98, 0xFF, 0x90, 0xB1, 0x11, 0x10, 0x00, 0x03, 0x00, 0x00, 0x40, 0x00, 0xFF, 0x00, 0x06, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x34, 0x07, 0x44, 0x1F, 0x00 }; static struct regmap_config jz4770_codec_regmap_config = { .reg_bits = 7, .val_bits = 8, .max_register = JZ4770_CODEC_REG_AGC5, .volatile_reg = jz4770_codec_volatile, .readable_reg = jz4770_codec_readable, .writeable_reg = jz4770_codec_writeable, .reg_read = jz4770_codec_reg_read, .reg_write = jz4770_codec_reg_write, .reg_defaults_raw = jz4770_codec_reg_defaults, .num_reg_defaults_raw = ARRAY_SIZE(jz4770_codec_reg_defaults), .cache_type = REGCACHE_FLAT, }; static int jz4770_codec_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct jz_codec *codec; int ret; codec = devm_kzalloc(dev, sizeof(*codec), GFP_KERNEL); if (!codec) return -ENOMEM; codec->dev = dev; codec->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(codec->base)) return PTR_ERR(codec->base); codec->regmap = devm_regmap_init(dev, NULL, codec, &jz4770_codec_regmap_config); if (IS_ERR(codec->regmap)) return PTR_ERR(codec->regmap); codec->clk = devm_clk_get(dev, "aic"); if (IS_ERR(codec->clk)) return PTR_ERR(codec->clk); platform_set_drvdata(pdev, codec); ret = devm_snd_soc_register_component(dev, &jz4770_codec_soc_codec_dev, &jz4770_codec_dai, 1); if (ret) { dev_err(dev, "Failed to register codec: %d\n", ret); return ret; } return 0; } static const struct of_device_id jz4770_codec_of_matches[] = { { .compatible = "ingenic,jz4770-codec", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, jz4770_codec_of_matches); static struct platform_driver jz4770_codec_driver = { .probe = jz4770_codec_probe, .driver = { .name = "jz4770-codec", .of_match_table = jz4770_codec_of_matches, }, }; module_platform_driver(jz4770_codec_driver); MODULE_DESCRIPTION("JZ4770 SoC internal codec driver"); MODULE_AUTHOR("Maarten ter Huurne <maarten@treewalker.org>"); MODULE_AUTHOR("Paul Cercueil <paul@crapouillou.net>"); MODULE_LICENSE("GPL v2");
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