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Diffstat (limited to 'sound/soc/codecs/wm8350.c')
-rw-r--r--sound/soc/codecs/wm8350.c168
1 files changed, 136 insertions, 32 deletions
diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c
index e3989d406f5..3b1d0993bed 100644
--- a/sound/soc/codecs/wm8350.c
+++ b/sound/soc/codecs/wm8350.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
*
- * Author: Liam Girdwood <lg@opensource.wolfsonmicro.com>
+ * Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -51,10 +51,17 @@ struct wm8350_output {
u16 mute;
};
+struct wm8350_jack_data {
+ struct snd_soc_jack *jack;
+ int report;
+};
+
struct wm8350_data {
struct snd_soc_codec codec;
struct wm8350_output out1;
struct wm8350_output out2;
+ struct wm8350_jack_data hpl;
+ struct wm8350_jack_data hpr;
struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
};
@@ -775,21 +782,6 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Beep", NULL, "IN3R PGA"},
};
-static int wm8350_add_controls(struct snd_soc_codec *codec)
-{
- int err, i;
-
- for (i = 0; i < ARRAY_SIZE(wm8350_snd_controls); i++) {
- err = snd_ctl_add(codec->card,
- snd_soc_cnew(&wm8350_snd_controls[i],
- codec, NULL));
- if (err < 0)
- return err;
- }
-
- return 0;
-}
-
static int wm8350_add_widgets(struct snd_soc_codec *codec)
{
int ret;
@@ -1309,7 +1301,7 @@ static int wm8350_set_bias_level(struct snd_soc_codec *codec,
static int wm8350_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
wm8350_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
@@ -1318,7 +1310,7 @@ static int wm8350_suspend(struct platform_device *pdev, pm_message_t state)
static int wm8350_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -1328,6 +1320,95 @@ static int wm8350_resume(struct platform_device *pdev)
return 0;
}
+static void wm8350_hp_jack_handler(struct wm8350 *wm8350, int irq, void *data)
+{
+ struct wm8350_data *priv = data;
+ u16 reg;
+ int report;
+ int mask;
+ struct wm8350_jack_data *jack = NULL;
+
+ switch (irq) {
+ case WM8350_IRQ_CODEC_JCK_DET_L:
+ jack = &priv->hpl;
+ mask = WM8350_JACK_L_LVL;
+ break;
+
+ case WM8350_IRQ_CODEC_JCK_DET_R:
+ jack = &priv->hpr;
+ mask = WM8350_JACK_R_LVL;
+ break;
+
+ default:
+ BUG();
+ }
+
+ if (!jack->jack) {
+ dev_warn(wm8350->dev, "Jack interrupt called with no jack\n");
+ return;
+ }
+
+ /* Debounce */
+ msleep(200);
+
+ reg = wm8350_reg_read(wm8350, WM8350_JACK_PIN_STATUS);
+ if (reg & mask)
+ report = jack->report;
+ else
+ report = 0;
+
+ snd_soc_jack_report(jack->jack, report, jack->report);
+}
+
+/**
+ * wm8350_hp_jack_detect - Enable headphone jack detection.
+ *
+ * @codec: WM8350 codec
+ * @which: left or right jack detect signal
+ * @jack: jack to report detection events on
+ * @report: value to report
+ *
+ * Enables the headphone jack detection of the WM8350.
+ */
+int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
+ struct snd_soc_jack *jack, int report)
+{
+ struct wm8350_data *priv = codec->private_data;
+ struct wm8350 *wm8350 = codec->control_data;
+ int irq;
+ int ena;
+
+ switch (which) {
+ case WM8350_JDL:
+ priv->hpl.jack = jack;
+ priv->hpl.report = report;
+ irq = WM8350_IRQ_CODEC_JCK_DET_L;
+ ena = WM8350_JDL_ENA;
+ break;
+
+ case WM8350_JDR:
+ priv->hpr.jack = jack;
+ priv->hpr.report = report;
+ irq = WM8350_IRQ_CODEC_JCK_DET_R;
+ ena = WM8350_JDR_ENA;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ wm8350_set_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
+ wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
+
+ /* Sync status */
+ wm8350_hp_jack_handler(wm8350, irq, priv);
+
+ wm8350_unmask_irq(wm8350, irq);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm8350_hp_jack_detect);
+
static struct snd_soc_codec *wm8350_codec;
static int wm8350_probe(struct platform_device *pdev)
@@ -1342,8 +1423,8 @@ static int wm8350_probe(struct platform_device *pdev)
BUG_ON(!wm8350_codec);
- socdev->codec = wm8350_codec;
- codec = socdev->codec;
+ socdev->card->codec = wm8350_codec;
+ codec = socdev->card->codec;
wm8350 = codec->control_data;
priv = codec->private_data;
@@ -1381,13 +1462,21 @@ static int wm8350_probe(struct platform_device *pdev)
wm8350_set_bits(wm8350, WM8350_ROUT2_VOLUME,
WM8350_OUT2_VU | WM8350_OUT2R_MUTE);
+ wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
+ wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
+ wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
+ wm8350_hp_jack_handler, priv);
+ wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
+ wm8350_hp_jack_handler, priv);
+
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0) {
dev_err(&pdev->dev, "failed to create pcms\n");
return ret;
}
- wm8350_add_controls(codec);
+ snd_soc_add_controls(codec, wm8350_snd_controls,
+ ARRAY_SIZE(wm8350_snd_controls));
wm8350_add_widgets(codec);
wm8350_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -1409,10 +1498,23 @@ card_err:
static int wm8350_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
struct wm8350 *wm8350 = codec->control_data;
+ struct wm8350_data *priv = codec->private_data;
int ret;
+ wm8350_clear_bits(wm8350, WM8350_JACK_DETECT,
+ WM8350_JDL_ENA | WM8350_JDR_ENA);
+ wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
+
+ wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
+ wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
+ wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
+ wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
+
+ priv->hpl.jack = NULL;
+ priv->hpr.jack = NULL;
+
/* cancel any work waiting to be queued. */
ret = cancel_delayed_work(&codec->delayed_work);
@@ -1436,6 +1538,16 @@ static int wm8350_remove(struct platform_device *pdev)
SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
+static struct snd_soc_dai_ops wm8350_dai_ops = {
+ .hw_params = wm8350_pcm_hw_params,
+ .digital_mute = wm8350_mute,
+ .trigger = wm8350_pcm_trigger,
+ .set_fmt = wm8350_set_dai_fmt,
+ .set_sysclk = wm8350_set_dai_sysclk,
+ .set_pll = wm8350_set_fll,
+ .set_clkdiv = wm8350_set_clkdiv,
+};
+
struct snd_soc_dai wm8350_dai = {
.name = "WM8350",
.playback = {
@@ -1452,15 +1564,7 @@ struct snd_soc_dai wm8350_dai = {
.rates = WM8350_RATES,
.formats = WM8350_FORMATS,
},
- .ops = {
- .hw_params = wm8350_pcm_hw_params,
- .digital_mute = wm8350_mute,
- .trigger = wm8350_pcm_trigger,
- .set_fmt = wm8350_set_dai_fmt,
- .set_sysclk = wm8350_set_dai_sysclk,
- .set_pll = wm8350_set_fll,
- .set_clkdiv = wm8350_set_clkdiv,
- },
+ .ops = &wm8350_dai_ops,
};
EXPORT_SYMBOL_GPL(wm8350_dai);
@@ -1472,7 +1576,7 @@ struct snd_soc_codec_device soc_codec_dev_wm8350 = {
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm8350);
-static int wm8350_codec_probe(struct platform_device *pdev)
+static __devinit int wm8350_codec_probe(struct platform_device *pdev)
{
struct wm8350 *wm8350 = platform_get_drvdata(pdev);
struct wm8350_data *priv;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-04 16:02:46 +0000