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Diffstat (limited to 'sound/soc/codecs/da7219.c')
-rw-r--r--sound/soc/codecs/da7219.c139
1 files changed, 121 insertions, 18 deletions
diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
index cf37936bfe3a..99601627f83c 100644
--- a/sound/soc/codecs/da7219.c
+++ b/sound/soc/codecs/da7219.c
@@ -823,6 +823,85 @@ static int da7219_dai_event(struct snd_soc_dapm_widget *w,
}
}
+static int da7219_settling_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ case SND_SOC_DAPM_POST_PMD:
+ msleep(DA7219_SETTLING_DELAY);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ u8 hp_ctrl, min_gain_mask;
+
+ switch (w->reg) {
+ case DA7219_MIXOUT_L_CTRL:
+ hp_ctrl = DA7219_HP_L_CTRL;
+ min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
+ break;
+ case DA7219_MIXOUT_R_CTRL:
+ hp_ctrl = DA7219_HP_R_CTRL;
+ min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMD:
+ /* Enable minimum gain on HP to avoid pops */
+ snd_soc_update_bits(codec, hp_ctrl, min_gain_mask,
+ min_gain_mask);
+
+ msleep(DA7219_MIN_GAIN_DELAY);
+
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ /* Remove minimum gain on HP */
+ snd_soc_update_bits(codec, hp_ctrl, min_gain_mask, 0);
+
+ break;
+ }
+
+ return 0;
+}
+
+static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ case SND_SOC_DAPM_PRE_PMD:
+ /* Ensure nominal gain ramping for DAPM sequence */
+ da7219->gain_ramp_ctrl =
+ snd_soc_read(codec, DA7219_GAIN_RAMP_CTRL);
+ snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL,
+ DA7219_GAIN_RAMP_RATE_NOMINAL);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ case SND_SOC_DAPM_POST_PMD:
+ /* Restore previous gain ramp settings */
+ snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL,
+ da7219->gain_ramp_ctrl);
+ break;
+ }
+
+ return 0;
+}
+
/*
* DAPM Widgets
@@ -907,30 +986,46 @@ static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
/* DACs */
- SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
- DA7219_NO_INVERT),
- SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
- DA7219_NO_INVERT),
+ SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
+ DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
+ da7219_settling_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
+ DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
+ da7219_settling_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* Output PGAs */
- SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
- DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
- NULL, 0),
- SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
- DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
- NULL, 0),
- SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
- DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
- SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
- DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
+ SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
+ DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0, da7219_mixout_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
+ DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ NULL, 0, da7219_mixout_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+ SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
+ DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ da7219_settling_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
+ DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
+ da7219_settling_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* Output Supplies */
- SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
- DA7219_NO_INVERT, NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
+ DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
+ da7219_settling_event,
+ SND_SOC_DAPM_POST_PMU),
/* Outputs */
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("HPR"),
+
+ /* Pre/Post Power */
+ SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
+ SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
};
@@ -1003,8 +1098,8 @@ static const struct snd_soc_dapm_route da7219_audio_map[] = {
{"Mixout Left PGA", NULL, "DACL"},
{"Mixout Right PGA", NULL, "DACR"},
- {"Headphone Left PGA", NULL, "Mixout Left PGA"},
- {"Headphone Right PGA", NULL, "Mixout Right PGA"},
+ {"HPL", NULL, "Mixout Left PGA"},
+ {"HPR", NULL, "Mixout Right PGA"},
{"HPL", NULL, "Headphone Left PGA"},
{"HPR", NULL, "Headphone Right PGA"},
@@ -1712,6 +1807,14 @@ static int da7219_probe(struct snd_soc_codec *codec)
DA7219_HP_R_AMP_RAMP_EN_MASK,
DA7219_HP_R_AMP_RAMP_EN_MASK);
+ /* Default minimum gain on HP to avoid pops during DAPM sequencing */
+ snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
+ DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
+ DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
+ snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
+ DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
+ DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
+
/* Default infinite tone gen, start/stop by Kcontrol */
snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 16:10:51 +0000