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Diffstat (limited to 'sound/soc/codecs/wm9712.c')
-rw-r--r--sound/soc/codecs/wm9712.c220
1 files changed, 130 insertions, 90 deletions
diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
index c5eb746087b4..e04643d2bb24 100644
--- a/sound/soc/codecs/wm9712.c
+++ b/sound/soc/codecs/wm9712.c
@@ -23,6 +23,12 @@
#include <sound/tlv.h>
#include "wm9712.h"
+struct wm9712_priv {
+ struct snd_ac97 *ac97;
+ unsigned int hp_mixer[2];
+ struct mutex lock;
+};
+
static unsigned int ac97_read(struct snd_soc_codec *codec,
unsigned int reg);
static int ac97_write(struct snd_soc_codec *codec,
@@ -48,12 +54,10 @@ static const u16 wm9712_reg[] = {
0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
- 0x0000, 0x0000 /* virtual hp mixers */
};
-/* virtual HP mixers regs */
-#define HPL_MIXER 0x80
-#define HPR_MIXER 0x82
+#define HPL_MIXER 0x0
+#define HPR_MIXER 0x1
static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
@@ -157,75 +161,108 @@ SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
};
+static const unsigned int wm9712_mixer_mute_regs[] = {
+ AC97_VIDEO,
+ AC97_PCM,
+ AC97_LINE,
+ AC97_PHONE,
+ AC97_CD,
+ AC97_PC_BEEP,
+};
+
/* We have to create a fake left and right HP mixers because
* the codec only has a single control that is shared by both channels.
* This makes it impossible to determine the audio path.
*/
-static int mixer_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *k, int event)
+static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- u16 l, r, beep, line, phone, mic, pcm, aux;
-
- l = ac97_read(w->codec, HPL_MIXER);
- r = ac97_read(w->codec, HPR_MIXER);
- beep = ac97_read(w->codec, AC97_PC_BEEP);
- mic = ac97_read(w->codec, AC97_VIDEO);
- phone = ac97_read(w->codec, AC97_PHONE);
- line = ac97_read(w->codec, AC97_LINE);
- pcm = ac97_read(w->codec, AC97_PCM);
- aux = ac97_read(w->codec, AC97_CD);
-
- if (l & 0x1 || r & 0x1)
- ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
+ unsigned int val = ucontrol->value.enumerated.item[0];
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int mixer, mask, shift, old;
+ struct snd_soc_dapm_update update;
+ bool change;
+
+ mixer = mc->shift >> 8;
+ shift = mc->shift & 0xff;
+ mask = 1 << shift;
+
+ mutex_lock(&wm9712->lock);
+ old = wm9712->hp_mixer[mixer];
+ if (ucontrol->value.enumerated.item[0])
+ wm9712->hp_mixer[mixer] |= mask;
else
- ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
+ wm9712->hp_mixer[mixer] &= ~mask;
+
+ change = old != wm9712->hp_mixer[mixer];
+ if (change) {
+ update.kcontrol = kcontrol;
+ update.reg = wm9712_mixer_mute_regs[shift];
+ update.mask = 0x8000;
+ if ((wm9712->hp_mixer[0] & mask) ||
+ (wm9712->hp_mixer[1] & mask))
+ update.val = 0x0;
+ else
+ update.val = 0x8000;
+
+ snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
+ &update);
+ }
- if (l & 0x2 || r & 0x2)
- ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
- else
- ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
+ mutex_unlock(&wm9712->lock);
- if (l & 0x4 || r & 0x4)
- ac97_write(w->codec, AC97_LINE, line & 0x7fff);
- else
- ac97_write(w->codec, AC97_LINE, line | 0x8000);
+ return change;
+}
- if (l & 0x8 || r & 0x8)
- ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
- else
- ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
+static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int shift, mixer;
- if (l & 0x10 || r & 0x10)
- ac97_write(w->codec, AC97_CD, aux & 0x7fff);
- else
- ac97_write(w->codec, AC97_CD, aux | 0x8000);
+ mixer = mc->shift >> 8;
+ shift = mc->shift & 0xff;
- if (l & 0x20 || r & 0x20)
- ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
- else
- ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
+ ucontrol->value.enumerated.item[0] =
+ (wm9712->hp_mixer[mixer] >> shift) & 1;
return 0;
}
+#define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .info = snd_soc_info_volsw, \
+ .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
+ .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
+ (xmixer << 8) | xshift, 1, 0, 0) \
+}
+
/* Left Headphone Mixers */
static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
- SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
- SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
- SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
- SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
- SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
- SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
+ WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
+ WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
+ WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
+ WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
+ WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
+ WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
};
/* Right Headphone Mixers */
static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
- SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
- SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
- SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
- SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
- SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
- SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
+ WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
+ WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
+ WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
+ WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
+ WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
+ WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
};
/* Speaker Mixer */
@@ -299,12 +336,10 @@ SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
&wm9712_diff_sel_controls),
SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
-SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
- &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
- mixer_event, SND_SOC_DAPM_POST_REG),
-SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
- &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
- mixer_event, SND_SOC_DAPM_POST_REG),
+SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
+ &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
+SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
+ &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
&wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
@@ -450,12 +485,13 @@ static const struct snd_soc_dapm_route wm9712_audio_map[] = {
static unsigned int ac97_read(struct snd_soc_codec *codec,
unsigned int reg)
{
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
reg == AC97_REC_GAIN)
- return soc_ac97_ops->read(codec->ac97, reg);
+ return soc_ac97_ops->read(wm9712->ac97, reg);
else {
reg = reg >> 1;
@@ -469,10 +505,10 @@ static unsigned int ac97_read(struct snd_soc_codec *codec,
static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int val)
{
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
u16 *cache = codec->reg_cache;
- if (reg < 0x7c)
- soc_ac97_ops->write(codec->ac97, reg, val);
+ soc_ac97_ops->write(wm9712->ac97, reg, val);
reg = reg >> 1;
if (reg < (ARRAY_SIZE(wm9712_reg)))
cache[reg] = val;
@@ -532,7 +568,6 @@ static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
static struct snd_soc_dai_driver wm9712_dai[] = {
{
.name = "wm9712-hifi",
- .ac97_control = 1,
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
@@ -581,40 +616,35 @@ static int wm9712_set_bias_level(struct snd_soc_codec *codec,
static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
{
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
+
if (try_warm && soc_ac97_ops->warm_reset) {
- soc_ac97_ops->warm_reset(codec->ac97);
+ soc_ac97_ops->warm_reset(wm9712->ac97);
if (ac97_read(codec, 0) == wm9712_reg[0])
return 1;
}
- soc_ac97_ops->reset(codec->ac97);
+ soc_ac97_ops->reset(wm9712->ac97);
if (soc_ac97_ops->warm_reset)
- soc_ac97_ops->warm_reset(codec->ac97);
+ soc_ac97_ops->warm_reset(wm9712->ac97);
if (ac97_read(codec, 0) != wm9712_reg[0])
goto err;
return 0;
err:
- printk(KERN_ERR "WM9712 AC97 reset failed\n");
+ dev_err(codec->dev, "Failed to reset: AC97 link error\n");
return -EIO;
}
-static int wm9712_soc_suspend(struct snd_soc_codec *codec)
-{
- wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
static int wm9712_soc_resume(struct snd_soc_codec *codec)
{
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
int i, ret;
u16 *cache = codec->reg_cache;
ret = wm9712_reset(codec, 1);
- if (ret < 0) {
- printk(KERN_ERR "could not reset AC97 codec\n");
+ if (ret < 0)
return ret;
- }
wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
@@ -624,7 +654,7 @@ static int wm9712_soc_resume(struct snd_soc_codec *codec)
if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
(i > 0x58 && i != 0x5c))
continue;
- soc_ac97_ops->write(codec->ac97, i, cache[i>>1]);
+ soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]);
}
}
@@ -633,52 +663,53 @@ static int wm9712_soc_resume(struct snd_soc_codec *codec)
static int wm9712_soc_probe(struct snd_soc_codec *codec)
{
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
- ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
- if (ret < 0) {
- printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
+ wm9712->ac97 = snd_soc_new_ac97_codec(codec);
+ if (IS_ERR(wm9712->ac97)) {
+ ret = PTR_ERR(wm9712->ac97);
+ dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
return ret;
}
ret = wm9712_reset(codec, 0);
- if (ret < 0) {
- printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
+ if (ret < 0)
goto reset_err;
- }
/* set alc mux to none */
ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
- wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls,
- ARRAY_SIZE(wm9712_snd_ac97_controls));
-
return 0;
reset_err:
- snd_soc_free_ac97_codec(codec);
+ snd_soc_free_ac97_codec(wm9712->ac97);
return ret;
}
static int wm9712_soc_remove(struct snd_soc_codec *codec)
{
- snd_soc_free_ac97_codec(codec);
+ struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
+
+ snd_soc_free_ac97_codec(wm9712->ac97);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
.probe = wm9712_soc_probe,
.remove = wm9712_soc_remove,
- .suspend = wm9712_soc_suspend,
.resume = wm9712_soc_resume,
.read = ac97_read,
.write = ac97_write,
.set_bias_level = wm9712_set_bias_level,
+ .suspend_bias_off = true,
.reg_cache_size = ARRAY_SIZE(wm9712_reg),
.reg_word_size = sizeof(u16),
.reg_cache_step = 2,
.reg_cache_default = wm9712_reg,
+
+ .controls = wm9712_snd_ac97_controls,
+ .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls),
.dapm_widgets = wm9712_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
.dapm_routes = wm9712_audio_map,
@@ -687,6 +718,16 @@ static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
static int wm9712_probe(struct platform_device *pdev)
{
+ struct wm9712_priv *wm9712;
+
+ wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
+ if (wm9712 == NULL)
+ return -ENOMEM;
+
+ mutex_init(&wm9712->lock);
+
+ platform_set_drvdata(pdev, wm9712);
+
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
}
@@ -700,7 +741,6 @@ static int wm9712_remove(struct platform_device *pdev)
static struct platform_driver wm9712_codec_driver = {
.driver = {
.name = "wm9712-codec",
- .owner = THIS_MODULE,
},
.probe = wm9712_probe,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.