ASoC: rt286: reduce power consumption
This patch will optimize the power consumption of rt286. Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao
Mark Brown
Родитель
f114040e3e
Коммит
6879db7648
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@ -36,11 +36,13 @@
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struct rt286_priv {
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struct regmap *regmap;
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struct snd_soc_codec *codec;
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struct rt286_platform_data pdata;
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struct i2c_client *i2c;
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struct snd_soc_jack *jack;
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struct delayed_work jack_detect_work;
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int sys_clk;
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int clk_id;
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struct reg_default *index_cache;
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};
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@ -298,7 +300,6 @@ static int rt286_support_power_controls[] = {
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static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
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{
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unsigned int val, buf;
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int i;
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*hp = false;
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*mic = false;
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@ -309,67 +310,44 @@ static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
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if (*hp) {
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/* power on HV,VERF */
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regmap_update_bits(rt286->regmap,
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RT286_POWER_CTRL1, 0x1001, 0x0);
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RT286_DC_GAIN, 0x200, 0x200);
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snd_soc_dapm_force_enable_pin(&rt286->codec->dapm,
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"HV");
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snd_soc_dapm_force_enable_pin(&rt286->codec->dapm,
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"VREF");
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/* power LDO1 */
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regmap_update_bits(rt286->regmap,
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RT286_POWER_CTRL2, 0x4, 0x4);
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snd_soc_dapm_force_enable_pin(&rt286->codec->dapm,
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"LDO1");
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snd_soc_dapm_sync(&rt286->codec->dapm);
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regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24);
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msleep(50);
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regmap_update_bits(rt286->regmap,
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RT286_CBJ_CTRL1, 0xfcc0, 0xd400);
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msleep(300);
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regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val);
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msleep(200);
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i = 40;
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while (((val & 0x0800) == 0) && (i > 0)) {
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if (0x0070 == (val & 0x0070)) {
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*mic = true;
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} else {
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regmap_update_bits(rt286->regmap,
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RT286_CBJ_CTRL1, 0xfcc0, 0xe400);
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msleep(300);
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regmap_read(rt286->regmap,
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RT286_CBJ_CTRL2, &val);
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i--;
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msleep(20);
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if (0x0070 == (val & 0x0070))
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*mic = true;
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else
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*mic = false;
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}
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if (0x0400 == (val & 0x0700)) {
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*mic = false;
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regmap_write(rt286->regmap,
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RT286_SET_MIC1, 0x20);
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/* power off HV,VERF */
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regmap_update_bits(rt286->regmap,
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RT286_POWER_CTRL1, 0x1001, 0x1001);
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regmap_update_bits(rt286->regmap,
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RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
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regmap_update_bits(rt286->regmap,
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RT286_CBJ_CTRL1, 0x0030, 0x0000);
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regmap_update_bits(rt286->regmap,
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RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
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} else if ((0x0200 == (val & 0x0700)) ||
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(0x0100 == (val & 0x0700))) {
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*mic = true;
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regmap_update_bits(rt286->regmap,
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RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
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regmap_update_bits(rt286->regmap,
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RT286_CBJ_CTRL1, 0x0030, 0x0020);
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regmap_update_bits(rt286->regmap,
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RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
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} else {
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*mic = false;
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}
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regmap_update_bits(rt286->regmap,
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RT286_MISC_CTRL1,
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0x0060, 0x0000);
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RT286_DC_GAIN, 0x200, 0x0);
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} else {
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regmap_update_bits(rt286->regmap,
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RT286_MISC_CTRL1,
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0x0060, 0x0020);
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regmap_update_bits(rt286->regmap,
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RT286_A_BIAS_CTRL3,
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0xc000, 0x8000);
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regmap_update_bits(rt286->regmap,
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RT286_CBJ_CTRL1,
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0x0030, 0x0020);
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regmap_update_bits(rt286->regmap,
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RT286_A_BIAS_CTRL2,
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0xc000, 0x8000);
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*mic = false;
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regmap_write(rt286->regmap, RT286_SET_MIC1, 0x20);
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}
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} else {
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regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
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@ -378,6 +356,12 @@ static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
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*mic = buf & 0x80000000;
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}
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snd_soc_dapm_disable_pin(&rt286->codec->dapm, "HV");
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snd_soc_dapm_disable_pin(&rt286->codec->dapm, "VREF");
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if (!*hp)
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snd_soc_dapm_disable_pin(&rt286->codec->dapm, "LDO1");
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snd_soc_dapm_sync(&rt286->codec->dapm);
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return 0;
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}
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@ -415,6 +399,17 @@ int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
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}
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EXPORT_SYMBOL_GPL(rt286_mic_detect);
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static int is_mclk_mode(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(source->codec);
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if (rt286->clk_id == RT286_SCLK_S_MCLK)
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return 1;
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else
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return 0;
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}
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static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
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static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
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@ -568,7 +563,84 @@ static int rt286_adc_event(struct snd_soc_dapm_widget *w,
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return 0;
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}
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static int rt286_vref_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_codec *codec = w->codec;
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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snd_soc_update_bits(codec,
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RT286_CBJ_CTRL1, 0x0400, 0x0000);
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mdelay(50);
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break;
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default:
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return 0;
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}
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return 0;
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}
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static int rt286_ldo2_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_codec *codec = w->codec;
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switch (event) {
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case SND_SOC_DAPM_POST_PMU:
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snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x08);
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break;
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case SND_SOC_DAPM_PRE_PMD:
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snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x30);
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break;
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default:
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return 0;
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}
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return 0;
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}
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static int rt286_mic1_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_codec *codec = w->codec;
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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snd_soc_update_bits(codec,
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RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
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snd_soc_update_bits(codec,
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RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
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break;
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case SND_SOC_DAPM_POST_PMD:
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snd_soc_update_bits(codec,
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RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
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snd_soc_update_bits(codec,
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RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
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break;
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default:
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return 0;
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}
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return 0;
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}
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static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
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SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1,
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12, 1, NULL, 0),
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SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1,
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0, 1, rt286_vref_event, SND_SOC_DAPM_PRE_PMU),
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SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2,
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2, 0, NULL, 0),
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SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1,
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13, 1, rt286_ldo2_event, SND_SOC_DAPM_PRE_PMD |
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SND_SOC_DAPM_POST_PMU),
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SND_SOC_DAPM_SUPPLY("MCLK MODE", RT286_PLL_CTRL1,
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5, 0, NULL, 0),
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SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
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0, 0, rt286_mic1_event, SND_SOC_DAPM_PRE_PMU |
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SND_SOC_DAPM_POST_PMD),
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/* Input Lines */
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SND_SOC_DAPM_INPUT("DMIC1 Pin"),
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SND_SOC_DAPM_INPUT("DMIC2 Pin"),
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@ -642,6 +714,25 @@ static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
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};
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static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
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{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
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{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
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{"Front", NULL, "MCLK MODE", is_mclk_mode},
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{"Surround", NULL, "MCLK MODE", is_mclk_mode},
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{"HP Power", NULL, "LDO1"},
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{"HP Power", NULL, "LDO2"},
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{"MIC1", NULL, "LDO1"},
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{"MIC1", NULL, "LDO2"},
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{"MIC1", NULL, "HV"},
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{"MIC1", NULL, "VREF"},
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{"MIC1", NULL, "MIC1 Input Buffer"},
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{"SPO", NULL, "LDO1"},
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{"SPO", NULL, "LDO2"},
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{"SPO", NULL, "HV"},
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{"SPO", NULL, "VREF"},
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{"DMIC1", NULL, "DMIC1 Pin"},
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{"DMIC2", NULL, "DMIC2 Pin"},
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{"DMIC1", NULL, "DMIC Receiver"},
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@ -880,6 +971,7 @@ static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
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}
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rt286->sys_clk = freq;
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rt286->clk_id = clk_id;
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return 0;
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}
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@ -915,13 +1007,18 @@ static int rt286_set_bias_level(struct snd_soc_codec *codec,
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case SND_SOC_BIAS_ON:
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mdelay(10);
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snd_soc_update_bits(codec,
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RT286_CBJ_CTRL1, 0x0400, 0x0400);
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snd_soc_update_bits(codec,
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RT286_DC_GAIN, 0x200, 0x0);
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break;
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case SND_SOC_BIAS_STANDBY:
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snd_soc_write(codec,
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RT286_SET_AUDIO_POWER, AC_PWRST_D3);
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snd_soc_update_bits(codec,
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RT286_DC_GAIN, 0x200, 0x0);
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RT286_CBJ_CTRL1, 0x0400, 0x0000);
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break;
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default:
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@ -962,6 +1059,7 @@ static int rt286_probe(struct snd_soc_codec *codec)
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{
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struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
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rt286->codec = codec;
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codec->dapm.bias_level = SND_SOC_BIAS_OFF;
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if (rt286->i2c->irq) {
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@ -1152,7 +1250,6 @@ static int rt286_i2c_probe(struct i2c_client *i2c,
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if (!rt286->pdata.cbj_en) {
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regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
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regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
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regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
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regmap_update_bits(rt286->regmap,
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RT286_CBJ_CTRL1, 0xf000, 0xb000);
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} else {
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@ -1169,8 +1266,10 @@ static int rt286_i2c_probe(struct i2c_client *i2c,
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mdelay(10);
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/*Power down LDO2*/
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regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0x8, 0x0);
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regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
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/*Power down LDO, VREF*/
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regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0xc, 0x0);
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regmap_update_bits(rt286->regmap, RT286_POWER_CTRL1, 0x1001, 0x1001);
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/*Set depop parameter*/
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regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
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