diff options
Diffstat (limited to 'sound/soc/codecs/wm9713.c')
| -rw-r--r-- | sound/soc/codecs/wm9713.c | 153 |
1 files changed, 91 insertions, 62 deletions
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c index ac13fc8f5c70..998e4c7b6b12 100644 --- a/sound/soc/codecs/wm9713.c +++ b/sound/soc/codecs/wm9713.c @@ -31,6 +31,8 @@ struct wm9713_priv { u32 pll_in; /* PLL input frequency */ + unsigned int hp_mixer[2]; + struct mutex lock; }; static unsigned int ac97_read(struct snd_soc_codec *codec, @@ -59,12 +61,10 @@ static const u16 wm9713_reg[] = { 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0006, 0x0001, 0x0000, 0x574d, 0x4c13, - 0x0000, 0x0000 }; -/* virtual HP mixers regs */ -#define HPL_MIXER 0x80 -#define HPR_MIXER 0x82 +#define HPL_MIXER 0 +#define HPR_MIXER 1 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"}; static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"}; @@ -233,6 +233,14 @@ static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w, return 0; } +static const unsigned int wm9713_mixer_mute_regs[] = { + AC97_PC_BEEP, + AC97_MASTER_TONE, + AC97_PHONE, + AC97_REC_SEL, + AC97_PCM, + AC97_AUX, +}; /* 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. @@ -240,73 +248,95 @@ static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w, * register map, thus we add a new (virtual) register to help determine the * audio route within the device. */ -static int mixer_event(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) +static int wm9713_hp_mixer_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { - u16 l, r, beep, tone, phone, rec, pcm, aux; - - l = ac97_read(w->codec, HPL_MIXER); - r = ac97_read(w->codec, HPR_MIXER); - beep = ac97_read(w->codec, AC97_PC_BEEP); - tone = ac97_read(w->codec, AC97_MASTER_TONE); - phone = ac97_read(w->codec, AC97_PHONE); - rec = ac97_read(w->codec, AC97_REC_SEL); - pcm = ac97_read(w->codec, AC97_PCM); - aux = ac97_read(w->codec, AC97_AUX); - - if (event & SND_SOC_DAPM_PRE_REG) - return 0; - if ((l & 0x1) || (r & 0x1)) - ac97_write(w->codec, AC97_PC_BEEP, beep & 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 wm9713_priv *wm9713 = 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(&wm9713->lock); + old = wm9713->hp_mixer[mixer]; + if (ucontrol->value.enumerated.item[0]) + wm9713->hp_mixer[mixer] |= mask; else - ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); + wm9713->hp_mixer[mixer] &= ~mask; + + change = old != wm9713->hp_mixer[mixer]; + if (change) { + update.kcontrol = kcontrol; + update.reg = wm9713_mixer_mute_regs[shift]; + update.mask = 0x8000; + if ((wm9713->hp_mixer[0] & mask) || + (wm9713->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_MASTER_TONE, tone & 0x7fff); - else - ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000); + mutex_unlock(&wm9713->lock); - if ((l & 0x4) || (r & 0x4)) - ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); - else - ac97_write(w->codec, AC97_PHONE, phone | 0x8000); + return change; +} - if ((l & 0x8) || (r & 0x8)) - ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff); - else - ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000); +static int wm9713_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 wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int mixer, shift; - if ((l & 0x10) || (r & 0x10)) - ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); - else - ac97_write(w->codec, AC97_PCM, pcm | 0x8000); + mixer = mc->shift >> 8; + shift = mc->shift & 0xff; - if ((l & 0x20) || (r & 0x20)) - ac97_write(w->codec, AC97_AUX, aux & 0x7fff); - else - ac97_write(w->codec, AC97_AUX, aux | 0x8000); + ucontrol->value.enumerated.item[0] = + (wm9713->hp_mixer[mixer] >> shift) & 1; return 0; } +#define WM9713_HP_MIXER_CTRL(xname, xmixer, xshift) { \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = snd_soc_info_volsw, \ + .get = wm9713_hp_mixer_get, .put = wm9713_hp_mixer_put, \ + .private_value = SOC_DOUBLE_VALUE(SND_SOC_NOPM, \ + xshift, xmixer, 1, 0, 0) \ +} + /* Left Headphone Mixers */ static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = { -SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0), -SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0), -SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0), -SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0), -SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0), -SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0), +WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPL_MIXER, 5), +WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPL_MIXER, 4), +WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 3), +WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 2), +WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPL_MIXER, 1), +WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPL_MIXER, 0), }; /* Right Headphone Mixers */ static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = { -SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0), -SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0), -SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0), -SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0), -SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0), -SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0), +WM9713_HP_MIXER_CTRL("Beep Playback Switch", HPR_MIXER, 5), +WM9713_HP_MIXER_CTRL("Voice Playback Switch", HPR_MIXER, 4), +WM9713_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 3), +WM9713_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 2), +WM9713_HP_MIXER_CTRL("MonoIn Playback Switch", HPR_MIXER, 1), +WM9713_HP_MIXER_CTRL("Bypass Playback Switch", HPR_MIXER, 0), }; /* headphone capture mux */ @@ -428,12 +458,10 @@ SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0, &wm9713_mic_sel_mux_controls), SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0, &wm9713_micb_sel_mux_controls), -SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1, - &wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls), - mixer_event, SND_SOC_DAPM_POST_REG), -SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1, - &wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls), - mixer_event, SND_SOC_DAPM_POST_REG), +SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_EXTENDED_MID, 3, 1, + &wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls)), +SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_EXTENDED_MID, 2, 1, + &wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls)), SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1, &wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)), SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1, @@ -666,8 +694,7 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int val) { u16 *cache = codec->reg_cache; - if (reg < 0x7c) - soc_ac97_ops->write(codec->ac97, reg, val); + soc_ac97_ops->write(codec->ac97, reg, val); reg = reg >> 1; if (reg < (ARRAY_SIZE(wm9713_reg))) cache[reg] = val; @@ -1251,6 +1278,8 @@ static int wm9713_probe(struct platform_device *pdev) if (wm9713 == NULL) return -ENOMEM; + mutex_init(&wm9713->lock); + platform_set_drvdata(pdev, wm9713); return snd_soc_register_codec(&pdev->dev, |