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Diffstat (limited to 'sound/soc/codecs/wm8994.c')
-rw-r--r--sound/soc/codecs/wm8994.c148
1 files changed, 130 insertions, 18 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 83014a7c2e14..09e680ae88b2 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -195,10 +195,6 @@ static int configure_aif_clock(struct snd_soc_codec *codec, int aif)
aif + 1, rate);
}
- if (rate && rate < 3000000)
- dev_warn(codec->dev, "AIF%dCLK is %dHz, should be >=3MHz for optimal performance\n",
- aif + 1, rate);
-
wm8994->aifclk[aif] = rate;
snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1 + offset,
@@ -1146,13 +1142,33 @@ SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
late_enable_ev, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
+ late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+
+SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
+ left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
+ late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
+ right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
+ late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux,
+ late_enable_ev, SND_SOC_DAPM_PRE_PMU),
+SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux,
+ late_enable_ev, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
};
static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, NULL, 0)
+SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, NULL, 0),
+SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
+SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
+ left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
+SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
+ right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
+SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux),
+SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux),
};
static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
@@ -1282,14 +1298,6 @@ SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
-SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux),
-SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux),
-
-SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
- left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
-SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
- right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
-
SND_SOC_DAPM_POST("Debug log", post_ev),
};
@@ -1624,6 +1632,7 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
int reg_offset, ret;
struct fll_div fll;
u16 reg, aif1, aif2;
+ unsigned long timeout;
aif1 = snd_soc_read(codec, WM8994_AIF1_CLOCKING_1)
& WM8994_AIF1CLK_ENA;
@@ -1705,6 +1714,9 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
(fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
(src - 1));
+ /* Clear any pending completion from a previous failure */
+ try_wait_for_completion(&wm8994->fll_locked[id]);
+
/* Enable (with fractional mode if required) */
if (freq_out) {
if (fll.k)
@@ -1715,7 +1727,15 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
WM8994_FLL1_ENA | WM8994_FLL1_FRAC,
reg);
- msleep(5);
+ if (wm8994->fll_locked_irq) {
+ timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
+ msecs_to_jiffies(10));
+ if (timeout == 0)
+ dev_warn(codec->dev,
+ "Timed out waiting for FLL lock\n");
+ } else {
+ msleep(5);
+ }
}
wm8994->fll[id].in = freq_in;
@@ -1733,6 +1753,14 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
return 0;
}
+static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
+{
+ struct completion *completion = data;
+
+ complete(completion);
+
+ return IRQ_HANDLED;
+}
static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
@@ -2272,6 +2300,33 @@ static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
return snd_soc_update_bits(codec, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
}
+static void wm8994_aif_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ int rate_reg = 0;
+
+ switch (dai->id) {
+ case 1:
+ rate_reg = WM8994_AIF1_RATE;
+ break;
+ case 2:
+ rate_reg = WM8994_AIF1_RATE;
+ break;
+ default:
+ break;
+ }
+
+ /* If the DAI is idle then configure the divider tree for the
+ * lowest output rate to save a little power if the clock is
+ * still active (eg, because it is system clock).
+ */
+ if (rate_reg && !dai->playback_active && !dai->capture_active)
+ snd_soc_update_bits(codec, rate_reg,
+ WM8994_AIF1_SR_MASK |
+ WM8994_AIF1CLK_RATE_MASK, 0x9);
+}
+
static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute)
{
struct snd_soc_codec *codec = codec_dai->codec;
@@ -2338,6 +2393,7 @@ static struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
.set_sysclk = wm8994_set_dai_sysclk,
.set_fmt = wm8994_set_dai_fmt,
.hw_params = wm8994_hw_params,
+ .shutdown = wm8994_aif_shutdown,
.digital_mute = wm8994_aif_mute,
.set_pll = wm8994_set_fll,
.set_tristate = wm8994_set_tristate,
@@ -2347,6 +2403,7 @@ static struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
.set_sysclk = wm8994_set_dai_sysclk,
.set_fmt = wm8994_set_dai_fmt,
.hw_params = wm8994_hw_params,
+ .shutdown = wm8994_aif_shutdown,
.digital_mute = wm8994_aif_mute,
.set_pll = wm8994_set_fll,
.set_tristate = wm8994_set_tristate,
@@ -2850,6 +2907,15 @@ out:
return IRQ_HANDLED;
}
+static irqreturn_t wm8994_fifo_error(int irq, void *data)
+{
+ struct snd_soc_codec *codec = data;
+
+ dev_err(codec->dev, "FIFO error\n");
+
+ return IRQ_HANDLED;
+}
+
static int wm8994_codec_probe(struct snd_soc_codec *codec)
{
struct wm8994 *control;
@@ -2868,6 +2934,9 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
wm8994->pdata = dev_get_platdata(codec->dev->parent);
wm8994->codec = codec;
+ for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
+ init_completion(&wm8994->fll_locked[i]);
+
if (wm8994->pdata && wm8994->pdata->micdet_irq)
wm8994->micdet_irq = wm8994->pdata->micdet_irq;
else if (wm8994->pdata && wm8994->pdata->irq_base)
@@ -2906,6 +2975,7 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
wm8994->hubs.dcs_codes = -5;
wm8994->hubs.hp_startup_mode = 1;
wm8994->hubs.dcs_readback_mode = 1;
+ wm8994->hubs.series_startup = 1;
break;
default:
wm8994->hubs.dcs_readback_mode = 1;
@@ -2920,6 +2990,15 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
break;
}
+ wm8994_request_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR,
+ wm8994_fifo_error, "FIFO error", codec);
+
+ ret = wm8994_request_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
+ wm_hubs_dcs_done, "DC servo done",
+ &wm8994->hubs);
+ if (ret == 0)
+ wm8994->hubs.dcs_done_irq = true;
+
switch (control->type) {
case WM8994:
if (wm8994->micdet_irq) {
@@ -2976,6 +3055,16 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
}
}
+ wm8994->fll_locked_irq = true;
+ for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
+ ret = wm8994_request_irq(codec->control_data,
+ WM8994_IRQ_FLL1_LOCK + i,
+ wm8994_fll_locked_irq, "FLL lock",
+ &wm8994->fll_locked[i]);
+ if (ret != 0)
+ wm8994->fll_locked_irq = false;
+ }
+
/* Remember if AIFnLRCLK is configured as a GPIO. This should be
* configured on init - if a system wants to do this dynamically
* at runtime we can deal with that then.
@@ -3051,10 +3140,18 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
- /* Unconditionally enable AIF1 ADC TDM mode; it only affects
- * behaviour on idle TDM clock cycles. */
- snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
- WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
+ /* Unconditionally enable AIF1 ADC TDM mode on chips which can
+ * use this; it only affects behaviour on idle TDM clock
+ * cycles. */
+ switch (control->type) {
+ case WM8994:
+ case WM8958:
+ snd_soc_update_bits(codec, WM8994_AIF1_CONTROL_1,
+ WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
+ break;
+ default:
+ break;
+ }
wm8994_update_class_w(codec);
@@ -3153,6 +3250,12 @@ err_irq:
wm8994_free_irq(codec->control_data, WM8994_IRQ_MIC1_SHRT, wm8994);
if (wm8994->micdet_irq)
free_irq(wm8994->micdet_irq, wm8994);
+ for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_FLL1_LOCK + i,
+ &wm8994->fll_locked[i]);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
+ &wm8994->hubs);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR, codec);
err:
kfree(wm8994);
return ret;
@@ -3162,11 +3265,20 @@ static int wm8994_codec_remove(struct snd_soc_codec *codec)
{
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
struct wm8994 *control = codec->control_data;
+ int i;
wm8994_set_bias_level(codec, SND_SOC_BIAS_OFF);
pm_runtime_disable(codec->dev);
+ for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_FLL1_LOCK + i,
+ &wm8994->fll_locked[i]);
+
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_DCS_DONE,
+ &wm8994->hubs);
+ wm8994_free_irq(codec->control_data, WM8994_IRQ_FIFOS_ERR, codec);
+
switch (control->type) {
case WM8994:
if (wm8994->micdet_irq)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 05:13:08 +0100