diff options
Diffstat (limited to 'sound/soc/codecs/max98090.c')
-rw-r--r-- | sound/soc/codecs/max98090.c | 118 |
1 files changed, 96 insertions, 22 deletions
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c index f7b0b37aa85..f5fccc7a8e8 100644 --- a/sound/soc/codecs/max98090.c +++ b/sound/soc/codecs/max98090.c @@ -11,10 +11,13 @@ #include <linux/delay.h> #include <linux/i2c.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/regmap.h> #include <linux/slab.h> +#include <linux/acpi.h> +#include <linux/clk.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -255,6 +258,7 @@ static struct reg_default max98090_reg[] = { static bool max98090_volatile_register(struct device *dev, unsigned int reg) { switch (reg) { + case M98090_REG_SOFTWARE_RESET: case M98090_REG_DEVICE_STATUS: case M98090_REG_JACK_STATUS: case M98090_REG_REVISION_ID: @@ -389,6 +393,7 @@ static const DECLARE_TLV_DB_SCALE(max98090_alc_tlv, -1500, 100, 0); static const DECLARE_TLV_DB_SCALE(max98090_alcmakeup_tlv, 0, 100, 0); static const DECLARE_TLV_DB_SCALE(max98090_alccomp_tlv, -3100, 100, 0); static const DECLARE_TLV_DB_SCALE(max98090_drcexp_tlv, -6600, 100, 0); +static const DECLARE_TLV_DB_SCALE(max98090_sdg_tlv, 50, 200, 0); static const unsigned int max98090_mixout_tlv[] = { TLV_DB_RANGE_HEAD(2), @@ -426,7 +431,7 @@ static const unsigned int max98090_rcv_lout_tlv[] = { static int max98090_get_enab_tlv(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; @@ -466,7 +471,7 @@ static int max98090_get_enab_tlv(struct snd_kcontrol *kcontrol, static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec); struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; @@ -665,7 +670,7 @@ static const struct snd_kcontrol_new max98090_snd_controls[] = { SOC_SINGLE_EXT_TLV("Digital Sidetone Volume", M98090_REG_ADC_SIDETONE, M98090_DVST_SHIFT, M98090_DVST_NUM - 1, 1, max98090_get_enab_tlv, - max98090_put_enab_tlv, max98090_micboost_tlv), + max98090_put_enab_tlv, max98090_sdg_tlv), SOC_SINGLE_TLV("Digital Coarse Volume", M98090_REG_DAI_PLAYBACK_LEVEL, M98090_DVG_SHIFT, M98090_DVG_NUM - 1, 0, max98090_dvg_tlv), @@ -875,7 +880,7 @@ static const char *dmic_mux_text[] = { "ADC", "DMIC" }; static SOC_ENUM_SINGLE_VIRT_DECL(dmic_mux_enum, dmic_mux_text); static const struct snd_kcontrol_new max98090_dmic_mux = - SOC_DAPM_ENUM_VIRT("DMIC Mux", dmic_mux_enum); + SOC_DAPM_ENUM("DMIC Mux", dmic_mux_enum); static const char *max98090_micpre_text[] = { "Off", "On" }; @@ -1175,8 +1180,7 @@ static const struct snd_soc_dapm_widget max98090_dapm_widgets[] = { SND_SOC_DAPM_MUX("MIC2 Mux", SND_SOC_NOPM, 0, 0, &max98090_mic2_mux), - SND_SOC_DAPM_VIRT_MUX("DMIC Mux", SND_SOC_NOPM, - 0, 0, &max98090_dmic_mux), + SND_SOC_DAPM_MUX("DMIC Mux", SND_SOC_NOPM, 0, 0, &max98090_dmic_mux), SND_SOC_DAPM_PGA_E("MIC1 Input", M98090_REG_MIC1_INPUT_LEVEL, M98090_MIC_PA1EN_SHIFT, 0, NULL, 0, max98090_micinput_event, @@ -1544,19 +1548,19 @@ static const int lrclk_rates[] = { }; static const int user_pclk_rates[] = { - 13000000, 13000000 + 13000000, 13000000, 19200000, 19200000, }; static const int user_lrclk_rates[] = { - 44100, 48000 + 44100, 48000, 44100, 48000, }; static const unsigned long long ni_value[] = { - 3528, 768 + 3528, 768, 441, 8 }; static const unsigned long long mi_value[] = { - 8125, 1625 + 8125, 1625, 1500, 25 }; static void max98090_configure_bclk(struct snd_soc_codec *codec) @@ -1673,6 +1677,7 @@ static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai, M98090_REG_CLOCK_RATIO_NI_LSB, 0x00); snd_soc_update_bits(codec, M98090_REG_CLOCK_MODE, M98090_USE_M1_MASK, 0); + max98090->master = false; break; case SND_SOC_DAIFMT_CBM_CFM: /* Set to master mode */ @@ -1689,6 +1694,7 @@ static int max98090_dai_set_fmt(struct snd_soc_dai *codec_dai, regval |= M98090_MAS_MASK | M98090_BSEL_32; } + max98090->master = true; break; case SND_SOC_DAIFMT_CBS_CFM: case SND_SOC_DAIFMT_CBM_CFS: @@ -1792,16 +1798,22 @@ static int max98090_set_bias_level(struct snd_soc_codec *codec, switch (level) { case SND_SOC_BIAS_ON: - if (max98090->jack_state == M98090_JACK_STATE_HEADSET) { - /* - * Set to normal bias level. - */ - snd_soc_update_bits(codec, M98090_REG_MIC_BIAS_VOLTAGE, - M98090_MBVSEL_MASK, M98090_MBVSEL_2V8); - } break; case SND_SOC_BIAS_PREPARE: + /* + * SND_SOC_BIAS_PREPARE is called while preparing for a + * transition to ON or away from ON. If current bias_level + * is SND_SOC_BIAS_ON, then it is preparing for a transition + * away from ON. Disable the clock in that case, otherwise + * enable it. + */ + if (!IS_ERR(max98090->mclk)) { + if (codec->dapm.bias_level == SND_SOC_BIAS_ON) + clk_disable_unprepare(max98090->mclk); + else + clk_prepare_enable(max98090->mclk); + } break; case SND_SOC_BIAS_STANDBY: @@ -1872,7 +1884,8 @@ static int max98090_dai_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - max98090_configure_bclk(codec); + if (max98090->master) + max98090_configure_bclk(codec); cdata->rate = max98090->lrclk; @@ -1930,6 +1943,11 @@ static int max98090_dai_set_sysclk(struct snd_soc_dai *dai, if (freq == max98090->sysclk) return 0; + if (!IS_ERR(max98090->mclk)) { + freq = clk_round_rate(max98090->mclk, freq); + clk_set_rate(max98090->mclk, freq); + } + /* Setup clocks for slave mode, and using the PLL * PSCLK = 0x01 (when master clk is 10MHz to 20MHz) * 0x02 (when master clk is 20MHz to 40MHz).. @@ -1951,8 +1969,6 @@ static int max98090_dai_set_sysclk(struct snd_soc_dai *dai, max98090->sysclk = freq; - max98090_configure_bclk(codec); - return 0; } @@ -2216,6 +2232,10 @@ static int max98090_probe(struct snd_soc_codec *codec) dev_dbg(codec->dev, "max98090_probe\n"); + max98090->mclk = devm_clk_get(codec->dev, "mclk"); + if (PTR_ERR(max98090->mclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + max98090->codec = codec; /* Reset the codec, the DSP core, and disable all interrupts */ @@ -2224,6 +2244,7 @@ static int max98090_probe(struct snd_soc_codec *codec) /* Initialize private data */ max98090->sysclk = (unsigned)-1; + max98090->master = false; cdata = &max98090->dai[0]; cdata->rate = (unsigned)-1; @@ -2293,6 +2314,9 @@ static int max98090_probe(struct snd_soc_codec *codec) snd_soc_write(codec, M98090_REG_BIAS_CONTROL, M98090_VCM_MODE_MASK); + snd_soc_update_bits(codec, M98090_REG_MIC_BIAS_VOLTAGE, + M98090_MBVSEL_MASK, M98090_MBVSEL_2V8); + max98090_handle_pdata(codec); max98090_add_widgets(codec); @@ -2329,9 +2353,11 @@ static const struct regmap_config max98090_regmap = { }; static int max98090_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) + const struct i2c_device_id *i2c_id) { struct max98090_priv *max98090; + const struct acpi_device_id *acpi_id; + kernel_ulong_t driver_data = 0; int ret; pr_debug("max98090_i2c_probe\n"); @@ -2341,7 +2367,19 @@ static int max98090_i2c_probe(struct i2c_client *i2c, if (max98090 == NULL) return -ENOMEM; - max98090->devtype = id->driver_data; + if (ACPI_HANDLE(&i2c->dev)) { + acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table, + &i2c->dev); + if (!acpi_id) { + dev_err(&i2c->dev, "No driver data\n"); + return -EINVAL; + } + driver_data = acpi_id->driver_data; + } else if (i2c_id) { + driver_data = i2c_id->driver_data; + } + + max98090->devtype = driver_data; i2c_set_clientdata(i2c, max98090); max98090->pdata = i2c->dev.platform_data; max98090->irq = i2c->irq; @@ -2373,6 +2411,8 @@ static int max98090_runtime_resume(struct device *dev) regcache_cache_only(max98090->regmap, false); + max98090_reset(max98090); + regcache_sync(max98090->regmap); return 0; @@ -2388,9 +2428,34 @@ static int max98090_runtime_suspend(struct device *dev) } #endif +#ifdef CONFIG_PM +static int max98090_resume(struct device *dev) +{ + struct max98090_priv *max98090 = dev_get_drvdata(dev); + unsigned int status; + + regcache_mark_dirty(max98090->regmap); + + max98090_reset(max98090); + + /* clear IRQ status */ + regmap_read(max98090->regmap, M98090_REG_DEVICE_STATUS, &status); + + regcache_sync(max98090->regmap); + + return 0; +} + +static int max98090_suspend(struct device *dev) +{ + return 0; +} +#endif + static const struct dev_pm_ops max98090_pm = { SET_RUNTIME_PM_OPS(max98090_runtime_suspend, max98090_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(max98090_suspend, max98090_resume) }; static const struct i2c_device_id max98090_i2c_id[] = { @@ -2405,12 +2470,21 @@ static const struct of_device_id max98090_of_match[] = { }; MODULE_DEVICE_TABLE(of, max98090_of_match); +#ifdef CONFIG_ACPI +static struct acpi_device_id max98090_acpi_match[] = { + { "193C9890", MAX98090 }, + { } +}; +MODULE_DEVICE_TABLE(acpi, max98090_acpi_match); +#endif + static struct i2c_driver max98090_i2c_driver = { .driver = { .name = "max98090", .owner = THIS_MODULE, .pm = &max98090_pm, .of_match_table = of_match_ptr(max98090_of_match), + .acpi_match_table = ACPI_PTR(max98090_acpi_match), }, .probe = max98090_i2c_probe, .remove = max98090_i2c_remove, |