| /* |
| * wm9712.c -- ALSA Soc WM9712 codec support |
| * |
| * Copyright 2006-12 Wolfson Microelectronics PLC. |
| * 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 as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/device.h> |
| #include <sound/core.h> |
| #include <sound/pcm.h> |
| #include <sound/ac97_codec.h> |
| #include <sound/initval.h> |
| #include <sound/soc.h> |
| #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, |
| unsigned int reg, unsigned int val); |
| |
| /* |
| * WM9712 register cache |
| */ |
| static const u16 wm9712_reg[] = { |
| 0x6174, 0x8000, 0x8000, 0x8000, /* 6 */ |
| 0x0f0f, 0xaaa0, 0xc008, 0x6808, /* e */ |
| 0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */ |
| 0xe808, 0x3000, 0x8000, 0x0000, /* 1e */ |
| 0x0000, 0x0000, 0x0000, 0x000f, /* 26 */ |
| 0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */ |
| 0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */ |
| 0x0000, 0x2000, 0x0000, 0x0000, /* 3e */ |
| 0x0000, 0x0000, 0x0000, 0x0000, /* 46 */ |
| 0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */ |
| 0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */ |
| 0x0008, 0x0000, 0x0000, 0x0000, /* 5e */ |
| 0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */ |
| 0x0000, 0x0000, 0x0000, 0x0000, /* 6e */ |
| 0x0000, 0x0000, 0x0000, 0x0006, /* 76 */ |
| 0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */ |
| }; |
| |
| #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"}; |
| static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right", |
| "Mono"}; |
| static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"}; |
| static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"}; |
| static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"}; |
| static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; |
| static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2", |
| "Stereo"}; |
| static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer", |
| "Line", "Headphone Mixer", "Phone Mixer", "Phone"}; |
| static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"}; |
| static const char *wm9712_diff_sel[] = {"Mic", "Line"}; |
| |
| static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0); |
| static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0); |
| |
| static const struct soc_enum wm9712_enum[] = { |
| SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select), |
| SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux), |
| SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src), |
| SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src), |
| SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc), |
| SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base), |
| SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain), |
| SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic), |
| SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel), |
| SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel), |
| SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type), |
| SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel), |
| }; |
| |
| static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = { |
| SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), |
| SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1), |
| SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), |
| SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1), |
| SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1), |
| |
| SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0), |
| SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0), |
| SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0), |
| SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0), |
| SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1), |
| SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1), |
| |
| SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0), |
| SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0), |
| SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0), |
| SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0), |
| SOC_ENUM("ALC Function", wm9712_enum[0]), |
| SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), |
| SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1), |
| SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0), |
| SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0), |
| SOC_ENUM("ALC NG Type", wm9712_enum[10]), |
| SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1), |
| |
| SOC_SINGLE("Mic Headphone Volume", AC97_VIDEO, 12, 7, 1), |
| SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1), |
| |
| SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1), |
| SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1), |
| SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1), |
| |
| SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1), |
| SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1), |
| SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1), |
| |
| SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1), |
| SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1), |
| SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1), |
| |
| SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1), |
| SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1), |
| |
| SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv), |
| SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1, |
| boost_tlv), |
| |
| SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1), |
| SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1), |
| SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0), |
| |
| SOC_ENUM("Bass Control", wm9712_enum[5]), |
| SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1), |
| SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1), |
| SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0), |
| SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1), |
| SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1), |
| |
| SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1), |
| SOC_ENUM("Capture Volume Steps", wm9712_enum[6]), |
| SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0), |
| SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), |
| |
| SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv), |
| 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 wm9712_hp_mixer_put(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); |
| unsigned int val = ucontrol->value.integer.value[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.integer.value[0]) |
| wm9712->hp_mixer[mixer] |= mask; |
| else |
| 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); |
| } |
| |
| mutex_unlock(&wm9712->lock); |
| |
| return change; |
| } |
| |
| 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; |
| |
| mixer = mc->shift >> 8; |
| shift = mc->shift & 0xff; |
| |
| ucontrol->value.integer.value[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[] = { |
| 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[] = { |
| 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 */ |
| static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = { |
| SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1), |
| SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1), |
| SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1), |
| SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1), |
| SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1), |
| }; |
| |
| /* Phone Mixer */ |
| static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = { |
| SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1), |
| SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1), |
| SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1), |
| SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1), |
| SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1), |
| SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1), |
| }; |
| |
| /* ALC headphone mux */ |
| static const struct snd_kcontrol_new wm9712_alc_mux_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[1]); |
| |
| /* out 3 mux */ |
| static const struct snd_kcontrol_new wm9712_out3_mux_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[2]); |
| |
| /* spk mux */ |
| static const struct snd_kcontrol_new wm9712_spk_mux_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[3]); |
| |
| /* Capture to Phone mux */ |
| static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[4]); |
| |
| /* Capture left select */ |
| static const struct snd_kcontrol_new wm9712_capture_selectl_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[8]); |
| |
| /* Capture right select */ |
| static const struct snd_kcontrol_new wm9712_capture_selectr_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[9]); |
| |
| /* Mic select */ |
| static const struct snd_kcontrol_new wm9712_mic_src_controls = |
| SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]); |
| |
| /* diff select */ |
| static const struct snd_kcontrol_new wm9712_diff_sel_controls = |
| SOC_DAPM_ENUM("Route", wm9712_enum[11]); |
| |
| static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = { |
| SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0, |
| &wm9712_alc_mux_controls), |
| SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0, |
| &wm9712_out3_mux_controls), |
| SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0, |
| &wm9712_spk_mux_controls), |
| SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0, |
| &wm9712_capture_phone_mux_controls), |
| SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0, |
| &wm9712_capture_selectl_controls), |
| SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0, |
| &wm9712_capture_selectr_controls), |
| SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0, |
| &wm9712_mic_src_controls), |
| SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0, |
| &wm9712_mic_src_controls), |
| 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("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, |
| &wm9712_speaker_mixer_controls[0], |
| ARRAY_SIZE(wm9712_speaker_mixer_controls)), |
| SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), |
| SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1), |
| SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1), |
| SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0), |
| SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1), |
| SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1), |
| SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0), |
| SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0), |
| SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0), |
| SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0), |
| SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0), |
| SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0), |
| SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0), |
| SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1), |
| SND_SOC_DAPM_OUTPUT("MONOOUT"), |
| SND_SOC_DAPM_OUTPUT("HPOUTL"), |
| SND_SOC_DAPM_OUTPUT("HPOUTR"), |
| SND_SOC_DAPM_OUTPUT("LOUT2"), |
| SND_SOC_DAPM_OUTPUT("ROUT2"), |
| SND_SOC_DAPM_OUTPUT("OUT3"), |
| SND_SOC_DAPM_INPUT("LINEINL"), |
| SND_SOC_DAPM_INPUT("LINEINR"), |
| SND_SOC_DAPM_INPUT("PHONE"), |
| SND_SOC_DAPM_INPUT("PCBEEP"), |
| SND_SOC_DAPM_INPUT("MIC1"), |
| SND_SOC_DAPM_INPUT("MIC2"), |
| }; |
| |
| static const struct snd_soc_dapm_route wm9712_audio_map[] = { |
| /* virtual mixer - mixes left & right channels for spk and mono */ |
| {"AC97 Mixer", NULL, "Left DAC"}, |
| {"AC97 Mixer", NULL, "Right DAC"}, |
| |
| /* Left HP mixer */ |
| {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, |
| {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, |
| {"Left HP Mixer", "Phone Bypass Switch", "Phone PGA"}, |
| {"Left HP Mixer", "Line Bypass Switch", "Line PGA"}, |
| {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, |
| {"Left HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, |
| {"Left HP Mixer", NULL, "ALC Sidetone Mux"}, |
| |
| /* Right HP mixer */ |
| {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"}, |
| {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, |
| {"Right HP Mixer", "Phone Bypass Switch", "Phone PGA"}, |
| {"Right HP Mixer", "Line Bypass Switch", "Line PGA"}, |
| {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, |
| {"Right HP Mixer", "Mic Sidetone Switch", "Mic PGA"}, |
| {"Right HP Mixer", NULL, "ALC Sidetone Mux"}, |
| |
| /* speaker mixer */ |
| {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"}, |
| {"Speaker Mixer", "Line Bypass Switch", "Line PGA"}, |
| {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, |
| {"Speaker Mixer", "Phone Bypass Switch", "Phone PGA"}, |
| {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, |
| |
| /* Phone mixer */ |
| {"Phone Mixer", "PCBeep Bypass Switch", "PCBEEP"}, |
| {"Phone Mixer", "Line Bypass Switch", "Line PGA"}, |
| {"Phone Mixer", "Aux Playback Switch", "Aux DAC"}, |
| {"Phone Mixer", "PCM Playback Switch", "AC97 Mixer"}, |
| {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"}, |
| {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"}, |
| |
| /* inputs */ |
| {"Line PGA", NULL, "LINEINL"}, |
| {"Line PGA", NULL, "LINEINR"}, |
| {"Phone PGA", NULL, "PHONE"}, |
| {"Mic PGA", NULL, "MIC1"}, |
| {"Mic PGA", NULL, "MIC2"}, |
| |
| /* microphones */ |
| {"Differential Mic", NULL, "MIC1"}, |
| {"Differential Mic", NULL, "MIC2"}, |
| {"Left Mic Select Source", "Mic 1", "MIC1"}, |
| {"Left Mic Select Source", "Mic 2", "MIC2"}, |
| {"Left Mic Select Source", "Stereo", "MIC1"}, |
| {"Left Mic Select Source", "Differential", "Differential Mic"}, |
| {"Right Mic Select Source", "Mic 1", "MIC1"}, |
| {"Right Mic Select Source", "Mic 2", "MIC2"}, |
| {"Right Mic Select Source", "Stereo", "MIC2"}, |
| {"Right Mic Select Source", "Differential", "Differential Mic"}, |
| |
| /* left capture selector */ |
| {"Left Capture Select", "Mic", "MIC1"}, |
| {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"}, |
| {"Left Capture Select", "Line", "LINEINL"}, |
| {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"}, |
| {"Left Capture Select", "Phone Mixer", "Phone Mixer"}, |
| {"Left Capture Select", "Phone", "PHONE"}, |
| |
| /* right capture selector */ |
| {"Right Capture Select", "Mic", "MIC2"}, |
| {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"}, |
| {"Right Capture Select", "Line", "LINEINR"}, |
| {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"}, |
| {"Right Capture Select", "Phone Mixer", "Phone Mixer"}, |
| {"Right Capture Select", "Phone", "PHONE"}, |
| |
| /* ALC Sidetone */ |
| {"ALC Sidetone Mux", "Stereo", "Left Capture Select"}, |
| {"ALC Sidetone Mux", "Stereo", "Right Capture Select"}, |
| {"ALC Sidetone Mux", "Left", "Left Capture Select"}, |
| {"ALC Sidetone Mux", "Right", "Right Capture Select"}, |
| |
| /* ADC's */ |
| {"Left ADC", NULL, "Left Capture Select"}, |
| {"Right ADC", NULL, "Right Capture Select"}, |
| |
| /* outputs */ |
| {"MONOOUT", NULL, "Phone Mixer"}, |
| {"HPOUTL", NULL, "Headphone PGA"}, |
| {"Headphone PGA", NULL, "Left HP Mixer"}, |
| {"HPOUTR", NULL, "Headphone PGA"}, |
| {"Headphone PGA", NULL, "Right HP Mixer"}, |
| |
| /* mono mixer */ |
| {"Mono Mixer", NULL, "Left HP Mixer"}, |
| {"Mono Mixer", NULL, "Right HP Mixer"}, |
| |
| /* Out3 Mux */ |
| {"Out3 Mux", "Left", "Left HP Mixer"}, |
| {"Out3 Mux", "Mono", "Phone Mixer"}, |
| {"Out3 Mux", "Left + Right", "Mono Mixer"}, |
| {"Out 3 PGA", NULL, "Out3 Mux"}, |
| {"OUT3", NULL, "Out 3 PGA"}, |
| |
| /* speaker Mux */ |
| {"Speaker Mux", "Speaker Mix", "Speaker Mixer"}, |
| {"Speaker Mux", "Headphone Mix", "Mono Mixer"}, |
| {"Speaker PGA", NULL, "Speaker Mux"}, |
| {"LOUT2", NULL, "Speaker PGA"}, |
| {"ROUT2", NULL, "Speaker PGA"}, |
| }; |
| |
| 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(wm9712->ac97, reg); |
| else { |
| reg = reg >> 1; |
| |
| if (reg >= (ARRAY_SIZE(wm9712_reg))) |
| return -EIO; |
| |
| return cache[reg]; |
| } |
| } |
| |
| 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; |
| |
| soc_ac97_ops->write(wm9712->ac97, reg, val); |
| reg = reg >> 1; |
| if (reg < (ARRAY_SIZE(wm9712_reg))) |
| cache[reg] = val; |
| |
| return 0; |
| } |
| |
| static int ac97_prepare(struct snd_pcm_substream *substream, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_codec *codec = dai->codec; |
| int reg; |
| u16 vra; |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| |
| vra = ac97_read(codec, AC97_EXTENDED_STATUS); |
| ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); |
| |
| if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| reg = AC97_PCM_FRONT_DAC_RATE; |
| else |
| reg = AC97_PCM_LR_ADC_RATE; |
| |
| return ac97_write(codec, reg, runtime->rate); |
| } |
| |
| static int ac97_aux_prepare(struct snd_pcm_substream *substream, |
| struct snd_soc_dai *dai) |
| { |
| struct snd_soc_codec *codec = dai->codec; |
| u16 vra, xsle; |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| |
| vra = ac97_read(codec, AC97_EXTENDED_STATUS); |
| ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1); |
| xsle = ac97_read(codec, AC97_PCI_SID); |
| ac97_write(codec, AC97_PCI_SID, xsle | 0x8000); |
| |
| if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK) |
| return -ENODEV; |
| |
| return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate); |
| } |
| |
| #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ |
| SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\ |
| SNDRV_PCM_RATE_48000) |
| |
| static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = { |
| .prepare = ac97_prepare, |
| }; |
| |
| static const struct snd_soc_dai_ops wm9712_dai_ops_aux = { |
| .prepare = ac97_aux_prepare, |
| }; |
| |
| static struct snd_soc_dai_driver wm9712_dai[] = { |
| { |
| .name = "wm9712-hifi", |
| .playback = { |
| .stream_name = "HiFi Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = WM9712_AC97_RATES, |
| .formats = SND_SOC_STD_AC97_FMTS,}, |
| .capture = { |
| .stream_name = "HiFi Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = WM9712_AC97_RATES, |
| .formats = SND_SOC_STD_AC97_FMTS,}, |
| .ops = &wm9712_dai_ops_hifi, |
| }, |
| { |
| .name = "wm9712-aux", |
| .playback = { |
| .stream_name = "Aux Playback", |
| .channels_min = 1, |
| .channels_max = 1, |
| .rates = WM9712_AC97_RATES, |
| .formats = SND_SOC_STD_AC97_FMTS,}, |
| .ops = &wm9712_dai_ops_aux, |
| } |
| }; |
| |
| static int wm9712_set_bias_level(struct snd_soc_codec *codec, |
| enum snd_soc_bias_level level) |
| { |
| switch (level) { |
| case SND_SOC_BIAS_ON: |
| case SND_SOC_BIAS_PREPARE: |
| break; |
| case SND_SOC_BIAS_STANDBY: |
| ac97_write(codec, AC97_POWERDOWN, 0x0000); |
| break; |
| case SND_SOC_BIAS_OFF: |
| /* disable everything including AC link */ |
| ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); |
| ac97_write(codec, AC97_POWERDOWN, 0xffff); |
| break; |
| } |
| codec->dapm.bias_level = level; |
| return 0; |
| } |
| |
| 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(wm9712->ac97); |
| if (ac97_read(codec, 0) == wm9712_reg[0]) |
| return 1; |
| } |
| |
| soc_ac97_ops->reset(wm9712->ac97); |
| if (soc_ac97_ops->warm_reset) |
| soc_ac97_ops->warm_reset(wm9712->ac97); |
| if (ac97_read(codec, 0) != wm9712_reg[0]) |
| goto err; |
| return 0; |
| |
| err: |
| dev_err(codec->dev, "Failed to reset: AC97 link error\n"); |
| return -EIO; |
| } |
| |
| 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) |
| return ret; |
| |
| wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY); |
| |
| if (ret == 0) { |
| /* Sync reg_cache with the hardware after cold reset */ |
| for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) { |
| if (i == AC97_INT_PAGING || i == AC97_POWERDOWN || |
| (i > 0x58 && i != 0x5c)) |
| continue; |
| soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]); |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int wm9712_soc_probe(struct snd_soc_codec *codec) |
| { |
| struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec); |
| int ret = 0; |
| |
| wm9712->ac97 = snd_soc_alloc_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) |
| goto err_put_device; |
| |
| ret = device_add(&wm9712->ac97->dev); |
| if (ret) |
| goto err_put_device; |
| |
| /* set alc mux to none */ |
| ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); |
| |
| return 0; |
| |
| err_put_device: |
| put_device(&wm9712->ac97->dev); |
| return ret; |
| } |
| |
| static int wm9712_soc_remove(struct snd_soc_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, |
| .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, |
| .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map), |
| }; |
| |
| 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)); |
| } |
| |
| static int wm9712_remove(struct platform_device *pdev) |
| { |
| snd_soc_unregister_codec(&pdev->dev); |
| return 0; |
| } |
| |
| static struct platform_driver wm9712_codec_driver = { |
| .driver = { |
| .name = "wm9712-codec", |
| }, |
| |
| .probe = wm9712_probe, |
| .remove = wm9712_remove, |
| }; |
| |
| module_platform_driver(wm9712_codec_driver); |
| |
| MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); |
| MODULE_AUTHOR("Liam Girdwood"); |
| MODULE_LICENSE("GPL"); |
