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Diffstat (limited to 'sound/soc/codecs/wm8994.c')
-rw-r--r--sound/soc/codecs/wm8994.c188
1 files changed, 145 insertions, 43 deletions
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 29e95f93d482..25580b5a853f 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
+#include <linux/gcd.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@@ -1498,6 +1499,24 @@ static const char *aif1dac_text[] = {
"AIF1DACDAT", "AIF3DACDAT",
};
+static const char *loopback_text[] = {
+ "None", "ADCDAT",
+};
+
+static const struct soc_enum aif1_loopback_enum =
+ SOC_ENUM_SINGLE(WM8994_AIF1_CONTROL_2, WM8994_AIF1_LOOPBACK_SHIFT, 2,
+ loopback_text);
+
+static const struct snd_kcontrol_new aif1_loopback =
+ SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
+
+static const struct soc_enum aif2_loopback_enum =
+ SOC_ENUM_SINGLE(WM8994_AIF2_CONTROL_2, WM8994_AIF2_LOOPBACK_SHIFT, 2,
+ loopback_text);
+
+static const struct snd_kcontrol_new aif2_loopback =
+ SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
+
static const struct soc_enum aif1dac_enum =
SOC_ENUM_SINGLE(WM8994_POWER_MANAGEMENT_6, 0, 2, aif1dac_text);
@@ -1744,6 +1763,9 @@ 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("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
+SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
+
SND_SOC_DAPM_POST("Debug log", post_ev),
};
@@ -1875,9 +1897,9 @@ static const struct snd_soc_dapm_route intercon[] = {
{ "AIF1DAC2L", NULL, "AIF1DAC Mux" },
{ "AIF1DAC2R", NULL, "AIF1DAC Mux" },
- { "AIF1DAC Mux", "AIF1DACDAT", "AIF1DACDAT" },
+ { "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
{ "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
- { "AIF2DAC Mux", "AIF2DACDAT", "AIF2DACDAT" },
+ { "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
{ "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
{ "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
{ "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
@@ -1928,6 +1950,12 @@ static const struct snd_soc_dapm_route intercon[] = {
{ "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACL" },
{ "AIF3ADCDAT", "AIF2DACDAT", "AIF2DACR" },
+ /* Loopback */
+ { "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
+ { "AIF1 Loopback", "None", "AIF1DACDAT" },
+ { "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
+ { "AIF2 Loopback", "None", "AIF2DACDAT" },
+
/* Sidetone */
{ "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
{ "Left Sidetone", "DMIC2", "DMIC2L" },
@@ -2010,15 +2038,16 @@ struct fll_div {
u16 outdiv;
u16 n;
u16 k;
+ u16 lambda;
u16 clk_ref_div;
u16 fll_fratio;
};
-static int wm8994_get_fll_config(struct fll_div *fll,
+static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
int freq_in, int freq_out)
{
u64 Kpart;
- unsigned int K, Ndiv, Nmod;
+ unsigned int K, Ndiv, Nmod, gcd_fll;
pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
@@ -2067,20 +2096,32 @@ static int wm8994_get_fll_config(struct fll_div *fll,
Nmod = freq_out % freq_in;
pr_debug("Nmod=%d\n", Nmod);
- /* Calculate fractional part - scale up so we can round. */
- Kpart = FIXED_FLL_SIZE * (long long)Nmod;
+ switch (control->type) {
+ case WM8994:
+ /* Calculate fractional part - scale up so we can round. */
+ Kpart = FIXED_FLL_SIZE * (long long)Nmod;
+
+ do_div(Kpart, freq_in);
+
+ K = Kpart & 0xFFFFFFFF;
- do_div(Kpart, freq_in);
+ if ((K % 10) >= 5)
+ K += 5;
- K = Kpart & 0xFFFFFFFF;
+ /* Move down to proper range now rounding is done */
+ fll->k = K / 10;
+ fll->lambda = 0;
- if ((K % 10) >= 5)
- K += 5;
+ pr_debug("N=%x K=%x\n", fll->n, fll->k);
+ break;
- /* Move down to proper range now rounding is done */
- fll->k = K / 10;
+ default:
+ gcd_fll = gcd(freq_out, freq_in);
- pr_debug("N=%x K=%x\n", fll->n, fll->k);
+ fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
+ fll->lambda = freq_in / gcd_fll;
+
+ }
return 0;
}
@@ -2144,9 +2185,9 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
* analysis bugs spewing warnings.
*/
if (freq_out)
- ret = wm8994_get_fll_config(&fll, freq_in, freq_out);
+ ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
else
- ret = wm8994_get_fll_config(&fll, wm8994->fll[id].in,
+ ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
wm8994->fll[id].out);
if (ret < 0)
return ret;
@@ -2191,6 +2232,17 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
WM8994_FLL1_N_MASK,
fll.n << WM8994_FLL1_N_SHIFT);
+ if (fll.lambda) {
+ snd_soc_update_bits(codec, WM8958_FLL1_EFS_1 + reg_offset,
+ WM8958_FLL1_LAMBDA_MASK,
+ fll.lambda);
+ snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
+ WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
+ } else {
+ snd_soc_update_bits(codec, WM8958_FLL1_EFS_2 + reg_offset,
+ WM8958_FLL1_EFS_ENA, 0);
+ }
+
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_5 + reg_offset,
WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
WM8994_FLL1_REFCLK_DIV_MASK |
@@ -2555,17 +2607,24 @@ static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
struct wm8994 *control = wm8994->wm8994;
int ms_reg;
int aif1_reg;
+ int dac_reg;
+ int adc_reg;
int ms = 0;
int aif1 = 0;
+ int lrclk = 0;
switch (dai->id) {
case 1:
ms_reg = WM8994_AIF1_MASTER_SLAVE;
aif1_reg = WM8994_AIF1_CONTROL_1;
+ dac_reg = WM8994_AIF1DAC_LRCLK;
+ adc_reg = WM8994_AIF1ADC_LRCLK;
break;
case 2:
ms_reg = WM8994_AIF2_MASTER_SLAVE;
aif1_reg = WM8994_AIF2_CONTROL_1;
+ dac_reg = WM8994_AIF1DAC_LRCLK;
+ adc_reg = WM8994_AIF1ADC_LRCLK;
break;
default:
return -EINVAL;
@@ -2584,6 +2643,7 @@ static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_DSP_B:
aif1 |= WM8994_AIF1_LRCLK_INV;
+ lrclk |= WM8958_AIF1_LRCLK_INV;
case SND_SOC_DAIFMT_DSP_A:
aif1 |= 0x18;
break;
@@ -2622,12 +2682,14 @@ static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
break;
case SND_SOC_DAIFMT_IB_IF:
aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
+ lrclk |= WM8958_AIF1_LRCLK_INV;
break;
case SND_SOC_DAIFMT_IB_NF:
aif1 |= WM8994_AIF1_BCLK_INV;
break;
case SND_SOC_DAIFMT_NB_IF:
aif1 |= WM8994_AIF1_LRCLK_INV;
+ lrclk |= WM8958_AIF1_LRCLK_INV;
break;
default:
return -EINVAL;
@@ -2658,6 +2720,10 @@ static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
aif1);
snd_soc_update_bits(codec, ms_reg, WM8994_AIF1_MSTR,
ms);
+ snd_soc_update_bits(codec, dac_reg,
+ WM8958_AIF1_LRCLK_INV, lrclk);
+ snd_soc_update_bits(codec, adc_reg,
+ WM8958_AIF1_LRCLK_INV, lrclk);
return 0;
}
@@ -3096,24 +3162,7 @@ static int wm8994_codec_suspend(struct snd_soc_codec *codec)
static int wm8994_codec_resume(struct snd_soc_codec *codec)
{
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
- struct wm8994 *control = wm8994->wm8994;
int i, ret;
- unsigned int val, mask;
-
- if (control->revision < 4) {
- /* force a HW read */
- ret = regmap_read(control->regmap,
- WM8994_POWER_MANAGEMENT_5, &val);
-
- /* modify the cache only */
- codec->cache_only = 1;
- mask = WM8994_DAC1R_ENA | WM8994_DAC1L_ENA |
- WM8994_DAC2R_ENA | WM8994_DAC2L_ENA;
- val &= mask;
- snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
- mask, val);
- codec->cache_only = 0;
- }
for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
if (!wm8994->fll_suspend[i].out)
@@ -3495,6 +3544,31 @@ static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
wm8994->btn_mask);
}
+static void wm8958_open_circuit_work(struct work_struct *work)
+{
+ struct wm8994_priv *wm8994 = container_of(work,
+ struct wm8994_priv,
+ open_circuit_work.work);
+ struct device *dev = wm8994->wm8994->dev;
+
+ wm1811_micd_stop(wm8994->hubs.codec);
+
+ mutex_lock(&wm8994->accdet_lock);
+
+ dev_dbg(dev, "Reporting open circuit\n");
+
+ wm8994->jack_mic = false;
+ wm8994->mic_detecting = true;
+
+ wm8958_micd_set_rate(wm8994->hubs.codec);
+
+ snd_soc_jack_report(wm8994->micdet[0].jack, 0,
+ wm8994->btn_mask |
+ SND_JACK_HEADSET);
+
+ mutex_unlock(&wm8994->accdet_lock);
+}
+
static void wm8958_mic_id(void *data, u16 status)
{
struct snd_soc_codec *codec = data;
@@ -3504,16 +3578,9 @@ static void wm8958_mic_id(void *data, u16 status)
if (!(status & WM8958_MICD_STS)) {
/* If nothing present then clear our statuses */
dev_dbg(codec->dev, "Detected open circuit\n");
- wm8994->jack_mic = false;
- wm8994->mic_detecting = true;
-
- wm1811_micd_stop(codec);
-
- wm8958_micd_set_rate(codec);
- snd_soc_jack_report(wm8994->micdet[0].jack, 0,
- wm8994->btn_mask |
- SND_JACK_HEADSET);
+ schedule_delayed_work(&wm8994->open_circuit_work,
+ msecs_to_jiffies(2500));
return;
}
@@ -3598,6 +3665,8 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
pm_runtime_get_sync(codec->dev);
+ cancel_delayed_work_sync(&wm8994->mic_complete_work);
+
mutex_lock(&wm8994->accdet_lock);
reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
@@ -3780,11 +3849,33 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
}
EXPORT_SYMBOL_GPL(wm8958_mic_detect);
+static void wm8958_mic_work(struct work_struct *work)
+{
+ struct wm8994_priv *wm8994 = container_of(work,
+ struct wm8994_priv,
+ mic_complete_work.work);
+ struct snd_soc_codec *codec = wm8994->hubs.codec;
+
+ dev_crit(codec->dev, "MIC WORK %x\n", wm8994->mic_status);
+
+ pm_runtime_get_sync(codec->dev);
+
+ mutex_lock(&wm8994->accdet_lock);
+
+ wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
+
+ mutex_unlock(&wm8994->accdet_lock);
+
+ pm_runtime_put(codec->dev);
+
+ dev_crit(codec->dev, "MIC WORK %x DONE\n", wm8994->mic_status);
+}
+
static irqreturn_t wm8958_mic_irq(int irq, void *data)
{
struct wm8994_priv *wm8994 = data;
struct snd_soc_codec *codec = wm8994->hubs.codec;
- int reg, count, ret;
+ int reg, count, ret, id_delay;
/*
* Jack detection may have detected a removal simulataneously
@@ -3794,6 +3885,9 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
if (!(snd_soc_read(codec, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
return IRQ_HANDLED;
+ cancel_delayed_work_sync(&wm8994->mic_complete_work);
+ cancel_delayed_work_sync(&wm8994->open_circuit_work);
+
pm_runtime_get_sync(codec->dev);
/* We may occasionally read a detection without an impedence
@@ -3846,8 +3940,12 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
goto out;
}
+ wm8994->mic_status = reg;
+ id_delay = wm8994->wm8994->pdata.mic_id_delay;
+
if (wm8994->mic_detecting)
- wm8994->mic_id_cb(wm8994->mic_id_cb_data, reg);
+ schedule_delayed_work(&wm8994->mic_complete_work,
+ msecs_to_jiffies(id_delay));
else
wm8958_button_det(codec, reg);
@@ -3899,6 +3997,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
mutex_init(&wm8994->accdet_lock);
INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
wm1811_jackdet_bootstrap);
+ INIT_DELAYED_WORK(&wm8994->open_circuit_work,
+ wm8958_open_circuit_work);
switch (control->type) {
case WM8994:
@@ -3911,6 +4011,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
break;
}
+ INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
+
for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
init_completion(&wm8994->fll_locked[i]);