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,
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[] = {
SND_SOC_DAPM_INPUT("DMIC2DAT"),
SND_SOC_DAPM_INPUT("Clock"),
-SND_SOC_DAPM_MICBIAS("MICBIAS", WM8994_MICBIAS, 2, 0),
SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
SND_SOC_DAPM_PRE_PMU),
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),
};
{ "AIF2DACDAT", NULL, "AIF1DACDAT" },
{ "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
{ "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
- { "MICBIAS", NULL, "CLK_SYS" },
- { "MICBIAS", NULL, "MICBIAS Supply" },
+ { "MICBIAS1", NULL, "CLK_SYS" },
+ { "MICBIAS1", NULL, "MICBIAS Supply" },
+ { "MICBIAS2", NULL, "CLK_SYS" },
+ { "MICBIAS2", NULL, "MICBIAS Supply" },
};
static const struct snd_soc_dapm_route wm8994_intercon[] = {
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;
(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)
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;
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 };
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;
.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,
.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,
report = SND_JACK_MICROPHONE;
/* Everything else is buttons; just assign slots */
- if (status & 0x1c0)
+ if (status & 0x1c)
report |= SND_JACK_BTN_0;
done:
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;
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)
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) {
}
}
+ 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.
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;
{
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)