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Diffstat (limited to 'sound/soc/codecs/wm8903.c')
-rw-r--r--sound/soc/codecs/wm8903.c119
1 files changed, 78 insertions, 41 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 8cf571f1a80..d8a9222fbf7 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -217,7 +217,6 @@ struct wm8903_priv {
int sysclk;
/* Reference counts */
- int charge_pump_users;
int class_w_users;
int playback_active;
int capture_active;
@@ -373,6 +372,15 @@ static void wm8903_reset(struct snd_soc_codec *codec)
#define WM8903_OUTPUT_INT 0x2
#define WM8903_OUTPUT_IN 0x1
+static int wm8903_cp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ WARN_ON(event != SND_SOC_DAPM_POST_PMU);
+ mdelay(4);
+
+ return 0;
+}
+
/*
* Event for headphone and line out amplifier power changes. Special
* power up/down sequences are required in order to maximise pop/click
@@ -382,19 +390,20 @@ static int wm8903_output_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
- struct wm8903_priv *wm8903 = codec->private_data;
- struct i2c_client *i2c = codec->control_data;
u16 val;
u16 reg;
+ u16 dcs_reg;
+ u16 dcs_bit;
int shift;
- u16 cp_reg = wm8903_read(codec, WM8903_CHARGE_PUMP_0);
switch (w->reg) {
case WM8903_POWER_MANAGEMENT_2:
reg = WM8903_ANALOGUE_HP_0;
+ dcs_bit = 0 + w->shift;
break;
case WM8903_POWER_MANAGEMENT_3:
reg = WM8903_ANALOGUE_LINEOUT_0;
+ dcs_bit = 2 + w->shift;
break;
default:
BUG();
@@ -419,18 +428,6 @@ static int wm8903_output_event(struct snd_soc_dapm_widget *w,
/* Short the output */
val &= ~(WM8903_OUTPUT_SHORT << shift);
wm8903_write(codec, reg, val);
-
- wm8903->charge_pump_users++;
-
- dev_dbg(&i2c->dev, "Charge pump use count now %d\n",
- wm8903->charge_pump_users);
-
- if (wm8903->charge_pump_users == 1) {
- dev_dbg(&i2c->dev, "Enabling charge pump\n");
- wm8903_write(codec, WM8903_CHARGE_PUMP_0,
- cp_reg | WM8903_CP_ENA);
- mdelay(4);
- }
}
if (event & SND_SOC_DAPM_POST_PMU) {
@@ -446,6 +443,11 @@ static int wm8903_output_event(struct snd_soc_dapm_widget *w,
val |= (WM8903_OUTPUT_OUT << shift);
wm8903_write(codec, reg, val);
+ /* Enable the DC servo */
+ dcs_reg = wm8903_read(codec, WM8903_DC_SERVO_0);
+ dcs_reg |= dcs_bit;
+ wm8903_write(codec, WM8903_DC_SERVO_0, dcs_reg);
+
/* Remove the short */
val |= (WM8903_OUTPUT_SHORT << shift);
wm8903_write(codec, reg, val);
@@ -458,25 +460,17 @@ static int wm8903_output_event(struct snd_soc_dapm_widget *w,
val &= ~(WM8903_OUTPUT_SHORT << shift);
wm8903_write(codec, reg, val);
+ /* Disable the DC servo */
+ dcs_reg = wm8903_read(codec, WM8903_DC_SERVO_0);
+ dcs_reg &= ~dcs_bit;
+ wm8903_write(codec, WM8903_DC_SERVO_0, dcs_reg);
+
/* Then disable the intermediate and output stages */
val &= ~((WM8903_OUTPUT_OUT | WM8903_OUTPUT_INT |
WM8903_OUTPUT_IN) << shift);
wm8903_write(codec, reg, val);
}
- if (event & SND_SOC_DAPM_POST_PMD) {
- wm8903->charge_pump_users--;
-
- dev_dbg(&i2c->dev, "Charge pump use count now %d\n",
- wm8903->charge_pump_users);
-
- if (wm8903->charge_pump_users == 0) {
- dev_dbg(&i2c->dev, "Disabling charge pump\n");
- wm8903_write(codec, WM8903_CHARGE_PUMP_0,
- cp_reg & ~WM8903_CP_ENA);
- }
- }
-
return 0;
}
@@ -539,6 +533,7 @@ static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
/* ALSA can only do steps of .01dB */
static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
+static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0);
@@ -657,6 +652,16 @@ static const struct soc_enum rinput_inv_enum =
SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text);
+static const char *sidetone_text[] = {
+ "None", "Left", "Right"
+};
+
+static const struct soc_enum lsidetone_enum =
+ SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text);
+
+static const struct soc_enum rsidetone_enum =
+ SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text);
+
static const struct snd_kcontrol_new wm8903_snd_controls[] = {
/* Input PGAs - No TLV since the scale depends on PGA mode */
@@ -700,6 +705,9 @@ SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT,
SOC_ENUM("ADC Companding Mode", adc_companding),
SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0),
+SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8,
+ 12, 0, digital_sidetone_tlv),
+
/* DAC */
SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
@@ -762,6 +770,12 @@ static const struct snd_kcontrol_new rinput_mux =
static const struct snd_kcontrol_new rinput_inv_mux =
SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum);
+static const struct snd_kcontrol_new lsidetone_mux =
+ SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum);
+
+static const struct snd_kcontrol_new rsidetone_mux =
+ SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum);
+
static const struct snd_kcontrol_new left_output_mixer[] = {
SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0),
SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0),
@@ -828,6 +842,9 @@ SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0),
SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8903_POWER_MANAGEMENT_6, 1, 0),
SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8903_POWER_MANAGEMENT_6, 0, 0),
+SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux),
+SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux),
+
SND_SOC_DAPM_DAC("DACL", "Left Playback", WM8903_POWER_MANAGEMENT_6, 3, 0),
SND_SOC_DAPM_DAC("DACR", "Right Playback", WM8903_POWER_MANAGEMENT_6, 2, 0),
@@ -844,26 +861,29 @@ SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
SND_SOC_DAPM_PGA_E("Left Headphone Output PGA", WM8903_POWER_MANAGEMENT_2,
1, 0, NULL, 0, wm8903_output_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Right Headphone Output PGA", WM8903_POWER_MANAGEMENT_2,
0, 0, NULL, 0, wm8903_output_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Left Line Output PGA", WM8903_POWER_MANAGEMENT_3, 1, 0,
NULL, 0, wm8903_output_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Right Line Output PGA", WM8903_POWER_MANAGEMENT_3, 0, 0,
NULL, 0, wm8903_output_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0,
NULL, 0),
SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
NULL, 0),
+SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0,
+ wm8903_cp_event, SND_SOC_DAPM_POST_PMU),
+SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0),
};
static const struct snd_soc_dapm_route intercon[] = {
@@ -909,7 +929,19 @@ static const struct snd_soc_dapm_route intercon[] = {
{ "Right Input PGA", NULL, "Right Input Mode Mux" },
{ "ADCL", NULL, "Left Input PGA" },
+ { "ADCL", NULL, "CLK_DSP" },
{ "ADCR", NULL, "Right Input PGA" },
+ { "ADCR", NULL, "CLK_DSP" },
+
+ { "DACL Sidetone", "Left", "ADCL" },
+ { "DACL Sidetone", "Right", "ADCR" },
+ { "DACR Sidetone", "Left", "ADCL" },
+ { "DACR Sidetone", "Right", "ADCR" },
+
+ { "DACL", NULL, "DACL Sidetone" },
+ { "DACL", NULL, "CLK_DSP" },
+ { "DACR", NULL, "DACR Sidetone" },
+ { "DACR", NULL, "CLK_DSP" },
{ "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" },
{ "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" },
@@ -951,6 +983,11 @@ static const struct snd_soc_dapm_route intercon[] = {
{ "ROP", NULL, "Right Speaker PGA" },
{ "RON", NULL, "Right Speaker PGA" },
+
+ { "Left Headphone Output PGA", NULL, "Charge Pump" },
+ { "Right Headphone Output PGA", NULL, "Charge Pump" },
+ { "Left Line Output PGA", NULL, "Charge Pump" },
+ { "Right Line Output PGA", NULL, "Charge Pump" },
};
static int wm8903_add_widgets(struct snd_soc_codec *codec)
@@ -985,6 +1022,11 @@ static int wm8903_set_bias_level(struct snd_soc_codec *codec,
wm8903_write(codec, WM8903_CLOCK_RATES_2,
WM8903_CLK_SYS_ENA);
+ /* Change DC servo dither level in startup sequence */
+ wm8903_write(codec, WM8903_WRITE_SEQUENCER_0, 0x11);
+ wm8903_write(codec, WM8903_WRITE_SEQUENCER_1, 0x1257);
+ wm8903_write(codec, WM8903_WRITE_SEQUENCER_2, 0x2);
+
wm8903_run_sequence(codec, 0);
wm8903_sync_reg_cache(codec, codec->reg_cache);
@@ -1277,14 +1319,8 @@ static int wm8903_startup(struct snd_pcm_substream *substream,
if (wm8903->master_substream) {
master_runtime = wm8903->master_substream->runtime;
- dev_dbg(&i2c->dev, "Constraining to %d bits at %dHz\n",
- master_runtime->sample_bits,
- master_runtime->rate);
-
- snd_pcm_hw_constraint_minmax(substream->runtime,
- SNDRV_PCM_HW_PARAM_RATE,
- master_runtime->rate,
- master_runtime->rate);
+ dev_dbg(&i2c->dev, "Constraining to %d bits\n",
+ master_runtime->sample_bits);
snd_pcm_hw_constraint_minmax(substream->runtime,
SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
@@ -1523,6 +1559,7 @@ struct snd_soc_dai wm8903_dai = {
.formats = WM8903_FORMATS,
},
.ops = &wm8903_dai_ops,
+ .symmetric_rates = 1,
};
EXPORT_SYMBOL_GPL(wm8903_dai);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 07:41:27 +0000