| /* |
| * wm9712.c -- ALSA Soc WM9712 codec support |
| * |
| * Copyright 2006 Wolfson Microelectronics PLC. |
| * Author: Liam Girdwood |
| * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com |
| * |
| * 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. |
| * |
| * Revision history |
| * 4th Feb 2006 Initial version. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <linux/version.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/soc-dapm.h> |
| |
| #define WM9712_VERSION "0.4" |
| |
| 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 */ |
| 0x0000, 0x0000 /* virtual hp mixers */ |
| }; |
| |
| /* virtual HP mixers regs */ |
| #define HPL_MIXER 0x80 |
| #define HPR_MIXER 0x82 |
| |
| 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 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("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0), |
| SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1), |
| |
| 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 ADC 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, 1), |
| SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0), |
| |
| SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), |
| SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), |
| SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0), |
| }; |
| |
| /* add non dapm controls */ |
| static int wm9712_add_controls(struct snd_soc_codec *codec) |
| { |
| int err, i; |
| |
| for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) { |
| err = snd_ctl_add(codec->card, |
| snd_soc_cnew(&wm9712_snd_ac97_controls[i], |
| codec, NULL)); |
| if (err < 0) |
| return err; |
| } |
| return 0; |
| } |
| |
| /* 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) |
| { |
| 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); |
| else |
| ac97_write(w->codec, AC97_VIDEO, mic | 0x8000); |
| |
| if (l & 0x2 || r & 0x2) |
| ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); |
| else |
| ac97_write(w->codec, AC97_PCM, pcm | 0x8000); |
| |
| if (l & 0x4 || r & 0x4) |
| ac97_write(w->codec, AC97_LINE, line & 0x7fff); |
| else |
| ac97_write(w->codec, AC97_LINE, line | 0x8000); |
| |
| if (l & 0x8 || r & 0x8) |
| ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); |
| else |
| ac97_write(w->codec, AC97_PHONE, phone | 0x8000); |
| |
| if (l & 0x10 || r & 0x10) |
| ac97_write(w->codec, AC97_CD, aux & 0x7fff); |
| else |
| ac97_write(w->codec, AC97_CD, aux | 0x8000); |
| |
| if (l & 0x20 || r & 0x20) |
| ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff); |
| else |
| ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); |
| |
| return 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), |
| }; |
| |
| /* 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), |
| }; |
| |
| /* 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("Route", 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("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_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("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_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 char *audio_map[][3] = { |
| /* 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"}, |
| |
| /* 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 hp mixer */ |
| {"Mono HP Mixer", NULL, "Left HP Mixer"}, |
| {"Mono HP Mixer", NULL, "Right HP Mixer"}, |
| |
| /* Out3 Mux */ |
| {"Out3 Mux", "Left", "Left HP Mixer"}, |
| {"Out3 Mux", "Mono", "Phone Mixer"}, |
| {"Out3 Mux", "Left + Right", "Mono HP 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 HP Mixer"}, |
| {"Speaker PGA", NULL, "Speaker Mux"}, |
| {"LOUT2", NULL, "Speaker PGA"}, |
| {"ROUT2", NULL, "Speaker PGA"}, |
| |
| {NULL, NULL, NULL}, |
| }; |
| |
| static int wm9712_add_widgets(struct snd_soc_codec *codec) |
| { |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) |
| snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]); |
| |
| /* set up audio path connects */ |
| for (i = 0; audio_map[i][0] != NULL; i++) |
| snd_soc_dapm_connect_input(codec, audio_map[i][0], |
| audio_map[i][1], audio_map[i][2]); |
| |
| snd_soc_dapm_new_widgets(codec); |
| return 0; |
| } |
| |
| static unsigned int ac97_read(struct snd_soc_codec *codec, |
| unsigned int reg) |
| { |
| 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); |
| 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) |
| { |
| u16 *cache = codec->reg_cache; |
| |
| soc_ac97_ops.write(codec->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_pcm_runtime *runtime = substream->runtime; |
| struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| struct snd_soc_device *socdev = rtd->socdev; |
| struct snd_soc_codec *codec = socdev->codec; |
| int reg; |
| u16 vra; |
| |
| 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_pcm_runtime *runtime = substream->runtime; |
| struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| struct snd_soc_device *socdev = rtd->socdev; |
| struct snd_soc_codec *codec = socdev->codec; |
| u16 vra, xsle; |
| |
| 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) |
| |
| struct snd_soc_codec_dai wm9712_dai[] = { |
| { |
| .name = "AC97 HiFi", |
| .type = SND_SOC_DAI_AC97_BUS, |
| .playback = { |
| .stream_name = "HiFi Playback", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = WM9712_AC97_RATES, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
| .capture = { |
| .stream_name = "HiFi Capture", |
| .channels_min = 1, |
| .channels_max = 2, |
| .rates = WM9712_AC97_RATES, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
| .ops = { |
| .prepare = ac97_prepare,}, |
| }, |
| { |
| .name = "AC97 Aux", |
| .playback = { |
| .stream_name = "Aux Playback", |
| .channels_min = 1, |
| .channels_max = 1, |
| .rates = WM9712_AC97_RATES, |
| .formats = SNDRV_PCM_FMTBIT_S16_LE,}, |
| .ops = { |
| .prepare = ac97_aux_prepare,}, |
| } |
| }; |
| EXPORT_SYMBOL_GPL(wm9712_dai); |
| |
| static int wm9712_dapm_event(struct snd_soc_codec *codec, int event) |
| { |
| switch (event) { |
| case SNDRV_CTL_POWER_D0: /* full On */ |
| case SNDRV_CTL_POWER_D1: /* partial On */ |
| case SNDRV_CTL_POWER_D2: /* partial On */ |
| break; |
| case SNDRV_CTL_POWER_D3hot: /* Off, with power */ |
| ac97_write(codec, AC97_POWERDOWN, 0x0000); |
| break; |
| case SNDRV_CTL_POWER_D3cold: /* Off, without power */ |
| /* disable everything including AC link */ |
| ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); |
| ac97_write(codec, AC97_POWERDOWN, 0xffff); |
| break; |
| } |
| codec->dapm_state = event; |
| return 0; |
| } |
| |
| static int wm9712_reset(struct snd_soc_codec *codec, int try_warm) |
| { |
| if (try_warm && soc_ac97_ops.warm_reset) { |
| soc_ac97_ops.warm_reset(codec->ac97); |
| if (!(ac97_read(codec, 0) & 0x8000)) |
| return 1; |
| } |
| |
| soc_ac97_ops.reset(codec->ac97); |
| if (ac97_read(codec, 0) & 0x8000) |
| goto err; |
| return 0; |
| |
| err: |
| printk(KERN_ERR "WM9712 AC97 reset failed\n"); |
| return -EIO; |
| } |
| |
| static int wm9712_soc_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; |
| |
| wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold); |
| return 0; |
| } |
| |
| static int wm9712_soc_resume(struct platform_device *pdev) |
| { |
| struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| struct snd_soc_codec *codec = socdev->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"); |
| return ret; |
| } |
| |
| wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot); |
| |
| 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(codec->ac97, i, cache[i>>1]); |
| } |
| } |
| |
| if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) |
| wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0); |
| |
| return ret; |
| } |
| |
| static int wm9712_soc_probe(struct platform_device *pdev) |
| { |
| struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| struct snd_soc_codec *codec; |
| int ret = 0; |
| |
| printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION); |
| |
| socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
| if (socdev->codec == NULL) |
| return -ENOMEM; |
| codec = socdev->codec; |
| mutex_init(&codec->mutex); |
| |
| codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL); |
| |
| if (codec->reg_cache == NULL) { |
| ret = -ENOMEM; |
| goto cache_err; |
| } |
| codec->reg_cache_size = sizeof(wm9712_reg); |
| codec->reg_cache_step = 2; |
| |
| codec->name = "WM9712"; |
| codec->owner = THIS_MODULE; |
| codec->dai = wm9712_dai; |
| codec->num_dai = ARRAY_SIZE(wm9712_dai); |
| codec->write = ac97_write; |
| codec->read = ac97_read; |
| codec->dapm_event = wm9712_dapm_event; |
| INIT_LIST_HEAD(&codec->dapm_widgets); |
| INIT_LIST_HEAD(&codec->dapm_paths); |
| |
| ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0); |
| if (ret < 0) { |
| printk(KERN_ERR "wm9712: failed to register AC97 codec\n"); |
| goto codec_err; |
| } |
| |
| /* register pcms */ |
| ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); |
| if (ret < 0) |
| goto pcm_err; |
| |
| ret = wm9712_reset(codec, 0); |
| if (ret < 0) { |
| printk(KERN_ERR "AC97 link error\n"); |
| goto reset_err; |
| } |
| |
| /* set alc mux to none */ |
| ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000); |
| |
| wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot); |
| wm9712_add_controls(codec); |
| wm9712_add_widgets(codec); |
| ret = snd_soc_register_card(socdev); |
| if (ret < 0) { |
| printk(KERN_ERR "wm9712: failed to register card\n"); |
| goto reset_err; |
| } |
| |
| return 0; |
| |
| reset_err: |
| snd_soc_free_pcms(socdev); |
| |
| pcm_err: |
| snd_soc_free_ac97_codec(codec); |
| |
| codec_err: |
| kfree(codec->reg_cache); |
| |
| cache_err: |
| kfree(socdev->codec); |
| socdev->codec = NULL; |
| return ret; |
| } |
| |
| static int wm9712_soc_remove(struct platform_device *pdev) |
| { |
| struct snd_soc_device *socdev = platform_get_drvdata(pdev); |
| struct snd_soc_codec *codec = socdev->codec; |
| |
| if (codec == NULL) |
| return 0; |
| |
| snd_soc_dapm_free(socdev); |
| snd_soc_free_pcms(socdev); |
| snd_soc_free_ac97_codec(codec); |
| kfree(codec->reg_cache); |
| kfree(codec); |
| return 0; |
| } |
| |
| struct snd_soc_codec_device soc_codec_dev_wm9712 = { |
| .probe = wm9712_soc_probe, |
| .remove = wm9712_soc_remove, |
| .suspend = wm9712_soc_suspend, |
| .resume = wm9712_soc_resume, |
| }; |
| EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712); |
| |
| MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver"); |
| MODULE_AUTHOR("Liam Girdwood"); |
| MODULE_LICENSE("GPL"); |