/* * wm9713.c -- ALSA Soc WM9713 codec support * * Copyright 2006 Wolfson Microelectronics PLC. * Author: Liam Girdwood * * 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. * * Features:- * * o Support for AC97 Codec, Voice DAC and Aux DAC * o Support for DAPM */ #include #include #include #include #include #include #include #include #include #include #include "wm9713.h" struct wm9713_priv { u32 pll_in; /* PLL input frequency */ }; 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); /* * WM9713 register cache * Reg 0x3c bit 15 is used by touch driver. */ static const u16 wm9713_reg[] = { 0x6174, 0x8080, 0x8080, 0x8080, 0xc880, 0xe808, 0xe808, 0x0808, 0x00da, 0x8000, 0xd600, 0xaaa0, 0xaaa0, 0xaaa0, 0x0000, 0x0000, 0x0f0f, 0x0040, 0x0000, 0x7f00, 0x0405, 0x0410, 0xbb80, 0xbb80, 0x0000, 0xbb80, 0x0000, 0x4523, 0x0000, 0x2000, 0x7eff, 0xffff, 0x0000, 0x0000, 0x0080, 0x0000, 0x0000, 0x0000, 0xfffe, 0xffff, 0x0000, 0x0000, 0x0000, 0xfffe, 0x4000, 0x0000, 0x0000, 0x0000, 0xb032, 0x3e00, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0006, 0x0001, 0x0000, 0x574d, 0x4c13, 0x0000, 0x0000, 0x0000 }; /* virtual HP mixers regs */ #define HPL_MIXER 0x80 #define HPR_MIXER 0x82 #define MICB_MUX 0x82 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"}; static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"}; static const char *wm9713_rec_src[] = {"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker", "Mono Out", "Zh"}; static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"}; static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"}; static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv", "Mono Vmid", "Inv Vmid"}; static const char *wm9713_spk_pga[] = {"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid", "Speaker Vmid", "Inv Vmid"}; static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone", "Headphone Vmid"}; static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"}; static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"}; static const char *wm9713_dac_inv[] = {"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone", "Headphone Mono", "NC", "Vmid"}; static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"}; static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"}; static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"}; static const char *wm9713_micb_select[] = {"MPB", "MPA"}; static const struct soc_enum wm9713_enum[] = { SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */ SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */ SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux), /* record mux mono 2 */ SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src), /* record mux left 3 */ SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src), /* record mux right 4*/ SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */ SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/ SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */ SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */ SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */ SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */ SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */ SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */ SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */ SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */ SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */ SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */ SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */ SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */ SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */ }; static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = { SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1), SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1), SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1), SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1), SOC_DOUBLE("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1), SOC_DOUBLE("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1), SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1), SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1), SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0), SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1), SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1), SOC_ENUM("Capture Volume Steps", wm9713_enum[5]), SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0), SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0), SOC_SINGLE("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1), SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0), SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0), 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", wm9713_enum[6]), SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0), SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0), 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", wm9713_enum[17]), SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0), SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0), SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0), SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1), SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0), SOC_SINGLE("Out4 Playback Volume", AC97_MASTER_MONO, 8, 63, 1), SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1), SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0), SOC_SINGLE("Out3 Playback Volume", AC97_MASTER_MONO, 0, 63, 1), SOC_SINGLE("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1), SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1), SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0), SOC_SINGLE("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1), SOC_SINGLE("Beep Playback Headphone Volume", AC97_AUX, 12, 7, 1), SOC_SINGLE("Beep Playback Speaker Volume", AC97_AUX, 8, 7, 1), SOC_SINGLE("Beep Playback Mono Volume", AC97_AUX, 4, 7, 1), SOC_SINGLE("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1), SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1), SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1), SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1), SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1), SOC_SINGLE("Aux Playback Mono Volume", AC97_REC_SEL, 4, 7, 1), SOC_ENUM("Bass Control", wm9713_enum[16]), SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1), SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1), SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0), SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1), SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1), SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0), SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0), SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1), }; static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_codec *codec = w->codec; u16 status, rate; BUG_ON(event != SND_SOC_DAPM_PRE_PMD); /* Gracefully shut down the voice interface. */ status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000; rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF; ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200); schedule_timeout_interruptible(msecs_to_jiffies(1)); ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00); ac97_write(codec, AC97_EXTENDED_MID, status); 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 using the current * 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) { 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); else ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000); if ((l & 0x2) || (r & 0x2)) ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff); else ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000); if ((l & 0x4) || (r & 0x4)) ac97_write(w->codec, AC97_PHONE, phone & 0x7fff); else ac97_write(w->codec, AC97_PHONE, phone | 0x8000); if ((l & 0x8) || (r & 0x8)) ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff); else ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000); if ((l & 0x10) || (r & 0x10)) ac97_write(w->codec, AC97_PCM, pcm & 0x7fff); else ac97_write(w->codec, AC97_PCM, pcm | 0x8000); if ((l & 0x20) || (r & 0x20)) ac97_write(w->codec, AC97_AUX, aux & 0x7fff); else ac97_write(w->codec, AC97_AUX, aux | 0x8000); return 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), }; /* 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), }; /* headphone capture mux */ static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[1]); /* headphone mic mux */ static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[0]); /* Speaker Mixer */ static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = { SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1), SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1), SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1), SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1), SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1), SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1), }; /* Mono Mixer */ static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = { SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1), SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1), SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1), SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1), SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1), SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1), SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1), SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1), }; /* mono mic mux */ static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[2]); /* mono output mux */ static const struct snd_kcontrol_new wm9713_mono_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[7]); /* speaker left output mux */ static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[8]); /* speaker right output mux */ static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[9]); /* headphone left output mux */ static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[10]); /* headphone right output mux */ static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[11]); /* Out3 mux */ static const struct snd_kcontrol_new wm9713_out3_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[12]); /* Out4 mux */ static const struct snd_kcontrol_new wm9713_out4_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[13]); /* DAC inv mux 1 */ static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[14]); /* DAC inv mux 2 */ static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[15]); /* Capture source left */ static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[3]); /* Capture source right */ static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[4]); /* mic source */ static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[18]); /* mic source B virtual control */ static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls = SOC_DAPM_ENUM("Route", wm9713_enum[19]); static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = { SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0, &wm9713_hp_rec_mux_controls), SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0, &wm9713_hp_mic_mux_controls), SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0, &wm9713_mono_mic_mux_controls), SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0, &wm9713_mono_mux_controls), SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0, &wm9713_hp_spkl_mux_controls), SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0, &wm9713_hp_spkr_mux_controls), SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0, &wm9713_hpl_out_mux_controls), SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0, &wm9713_hpr_out_mux_controls), SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0, &wm9713_out3_mux_controls), SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0, &wm9713_out4_mux_controls), SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0, &wm9713_dac_inv1_mux_controls), SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0, &wm9713_dac_inv2_mux_controls), SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0, &wm9713_rec_srcl_mux_controls), SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0, &wm9713_rec_srcr_mux_controls), 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("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, &wm9713_speaker_mixer_controls[0], ARRAY_SIZE(wm9713_speaker_mixer_controls)), SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1), SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1), SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1, wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1), SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0), SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0), SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0), SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0), SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0), SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0), SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0), SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0), SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0), SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0), SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0), SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0), SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0), SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0), SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0), SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0), SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1), SND_SOC_DAPM_OUTPUT("MONO"), SND_SOC_DAPM_OUTPUT("HPL"), SND_SOC_DAPM_OUTPUT("HPR"), SND_SOC_DAPM_OUTPUT("SPKL"), SND_SOC_DAPM_OUTPUT("SPKR"), SND_SOC_DAPM_OUTPUT("OUT3"), SND_SOC_DAPM_OUTPUT("OUT4"), SND_SOC_DAPM_INPUT("LINEL"), SND_SOC_DAPM_INPUT("LINER"), SND_SOC_DAPM_INPUT("MONOIN"), SND_SOC_DAPM_INPUT("PCBEEP"), SND_SOC_DAPM_INPUT("MIC1"), SND_SOC_DAPM_INPUT("MIC2A"), SND_SOC_DAPM_INPUT("MIC2B"), SND_SOC_DAPM_VMID("VMID"), }; static const struct snd_soc_dapm_route audio_map[] = { /* left HP mixer */ {"Left HP Mixer", "Beep Playback Switch", "PCBEEP"}, {"Left HP Mixer", "Voice Playback Switch", "Voice DAC"}, {"Left HP Mixer", "Aux Playback Switch", "Aux DAC"}, {"Left HP Mixer", "Bypass Playback Switch", "Left Line In"}, {"Left HP Mixer", "PCM Playback Switch", "Left DAC"}, {"Left HP Mixer", "MonoIn Playback Switch", "Mono In"}, {"Left HP Mixer", NULL, "Capture Headphone Mux"}, /* right HP mixer */ {"Right HP Mixer", "Beep Playback Switch", "PCBEEP"}, {"Right HP Mixer", "Voice Playback Switch", "Voice DAC"}, {"Right HP Mixer", "Aux Playback Switch", "Aux DAC"}, {"Right HP Mixer", "Bypass Playback Switch", "Right Line In"}, {"Right HP Mixer", "PCM Playback Switch", "Right DAC"}, {"Right HP Mixer", "MonoIn Playback Switch", "Mono In"}, {"Right HP Mixer", NULL, "Capture Headphone Mux"}, /* virtual mixer - mixes left & right channels for spk and mono */ {"AC97 Mixer", NULL, "Left DAC"}, {"AC97 Mixer", NULL, "Right DAC"}, {"Line Mixer", NULL, "Right Line In"}, {"Line Mixer", NULL, "Left Line In"}, {"HP Mixer", NULL, "Left HP Mixer"}, {"HP Mixer", NULL, "Right HP Mixer"}, {"Capture Mixer", NULL, "Left Capture Source"}, {"Capture Mixer", NULL, "Right Capture Source"}, /* speaker mixer */ {"Speaker Mixer", "Beep Playback Switch", "PCBEEP"}, {"Speaker Mixer", "Voice Playback Switch", "Voice DAC"}, {"Speaker Mixer", "Aux Playback Switch", "Aux DAC"}, {"Speaker Mixer", "Bypass Playback Switch", "Line Mixer"}, {"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"}, {"Speaker Mixer", "MonoIn Playback Switch", "Mono In"}, /* mono mixer */ {"Mono Mixer", "Beep Playback Switch", "PCBEEP"}, {"Mono Mixer", "Voice Playback Switch", "Voice DAC"}, {"Mono Mixer", "Aux Playback Switch", "Aux DAC"}, {"Mono Mixer", "Bypass Playback Switch", "Line Mixer"}, {"Mono Mixer", "PCM Playback Switch", "AC97 Mixer"}, {"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"}, {"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"}, {"Mono Mixer", NULL, "Capture Mono Mux"}, /* DAC inv mux 1 */ {"DAC Inv Mux 1", "Mono", "Mono Mixer"}, {"DAC Inv Mux 1", "Speaker", "Speaker Mixer"}, {"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"}, {"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"}, {"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"}, /* DAC inv mux 2 */ {"DAC Inv Mux 2", "Mono", "Mono Mixer"}, {"DAC Inv Mux 2", "Speaker", "Speaker Mixer"}, {"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"}, {"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"}, {"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"}, /* headphone left mux */ {"Left Headphone Out Mux", "Headphone", "Left HP Mixer"}, /* headphone right mux */ {"Right Headphone Out Mux", "Headphone", "Right HP Mixer"}, /* speaker left mux */ {"Left Speaker Out Mux", "Headphone", "Left HP Mixer"}, {"Left Speaker Out Mux", "Speaker", "Speaker Mixer"}, {"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"}, /* speaker right mux */ {"Right Speaker Out Mux", "Headphone", "Right HP Mixer"}, {"Right Speaker Out Mux", "Speaker", "Speaker Mixer"}, {"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"}, /* mono mux */ {"Mono Out Mux", "Mono", "Mono Mixer"}, {"Mono Out Mux", "Inv", "DAC Inv Mux 1"}, /* out 3 mux */ {"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"}, /* out 4 mux */ {"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"}, /* output pga */ {"HPL", NULL, "Left Headphone"}, {"Left Headphone", NULL, "Left Headphone Out Mux"}, {"HPR", NULL, "Right Headphone"}, {"Right Headphone", NULL, "Right Headphone Out Mux"}, {"OUT3", NULL, "Out 3"}, {"Out 3", NULL, "Out 3 Mux"}, {"OUT4", NULL, "Out 4"}, {"Out 4", NULL, "Out 4 Mux"}, {"SPKL", NULL, "Left Speaker"}, {"Left Speaker", NULL, "Left Speaker Out Mux"}, {"SPKR", NULL, "Right Speaker"}, {"Right Speaker", NULL, "Right Speaker Out Mux"}, {"MONO", NULL, "Mono Out"}, {"Mono Out", NULL, "Mono Out Mux"}, /* input pga */ {"Left Line In", NULL, "LINEL"}, {"Right Line In", NULL, "LINER"}, {"Mono In", NULL, "MONOIN"}, {"Mic A PGA", NULL, "Mic A Pre Amp"}, {"Mic B PGA", NULL, "Mic B Pre Amp"}, /* left capture select */ {"Left Capture Source", "Mic 1", "Mic A Pre Amp"}, {"Left Capture Source", "Mic 2", "Mic B Pre Amp"}, {"Left Capture Source", "Line", "LINEL"}, {"Left Capture Source", "Mono In", "MONOIN"}, {"Left Capture Source", "Headphone", "Left HP Mixer"}, {"Left Capture Source", "Speaker", "Speaker Mixer"}, {"Left Capture Source", "Mono Out", "Mono Mixer"}, /* right capture select */ {"Right Capture Source", "Mic 1", "Mic A Pre Amp"}, {"Right Capture Source", "Mic 2", "Mic B Pre Amp"}, {"Right Capture Source", "Line", "LINER"}, {"Right Capture Source", "Mono In", "MONOIN"}, {"Right Capture Source", "Headphone", "Right HP Mixer"}, {"Right Capture Source", "Speaker", "Speaker Mixer"}, {"Right Capture Source", "Mono Out", "Mono Mixer"}, /* left ADC */ {"Left ADC", NULL, "Left Capture Source"}, {"Left Voice ADC", NULL, "Left ADC"}, {"Left HiFi ADC", NULL, "Left ADC"}, /* right ADC */ {"Right ADC", NULL, "Right Capture Source"}, {"Right Voice ADC", NULL, "Right ADC"}, {"Right HiFi ADC", NULL, "Right ADC"}, /* mic */ {"Mic A Pre Amp", NULL, "Mic A Source"}, {"Mic A Source", "Mic 1", "MIC1"}, {"Mic A Source", "Mic 2 A", "MIC2A"}, {"Mic A Source", "Mic 2 B", "Mic B Source"}, {"Mic B Pre Amp", "MPB", "Mic B Source"}, {"Mic B Source", NULL, "MIC2B"}, /* headphone capture */ {"Capture Headphone Mux", "Stereo", "Capture Mixer"}, {"Capture Headphone Mux", "Left", "Left Capture Source"}, {"Capture Headphone Mux", "Right", "Right Capture Source"}, /* mono capture */ {"Capture Mono Mux", "Stereo", "Capture Mixer"}, {"Capture Mono Mux", "Left", "Left Capture Source"}, {"Capture Mono Mux", "Right", "Right Capture Source"}, }; static int wm9713_add_widgets(struct snd_soc_codec *codec) { snd_soc_dapm_new_controls(codec, wm9713_dapm_widgets, ARRAY_SIZE(wm9713_dapm_widgets)); snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); 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_CD) return soc_ac97_ops.read(codec->ac97, reg); else { reg = reg >> 1; if (reg >= (ARRAY_SIZE(wm9713_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; if (reg < 0x7c) soc_ac97_ops.write(codec->ac97, reg, val); reg = reg >> 1; if (reg < (ARRAY_SIZE(wm9713_reg))) cache[reg] = val; return 0; } /* PLL divisors */ struct _pll_div { u32 divsel:1; u32 divctl:1; u32 lf:1; u32 n:4; u32 k:24; }; /* The size in bits of the PLL divide multiplied by 10 * to allow rounding later */ #define FIXED_PLL_SIZE ((1 << 22) * 10) static void pll_factors(struct _pll_div *pll_div, unsigned int source) { u64 Kpart; unsigned int K, Ndiv, Nmod, target; /* The the PLL output is always 98.304MHz. */ target = 98304000; /* If the input frequency is over 14.4MHz then scale it down. */ if (source > 14400000) { source >>= 1; pll_div->divsel = 1; if (source > 14400000) { source >>= 1; pll_div->divctl = 1; } else pll_div->divctl = 0; } else { pll_div->divsel = 0; pll_div->divctl = 0; } /* Low frequency sources require an additional divide in the * loop. */ if (source < 8192000) { pll_div->lf = 1; target >>= 2; } else pll_div->lf = 0; Ndiv = target / source; if ((Ndiv < 5) || (Ndiv > 12)) printk(KERN_WARNING "WM9713 PLL N value %u out of recommended range!\n", Ndiv); pll_div->n = Ndiv; Nmod = target % source; Kpart = FIXED_PLL_SIZE * (long long)Nmod; do_div(Kpart, source); K = Kpart & 0xFFFFFFFF; /* Check if we need to round */ if ((K % 10) >= 5) K += 5; /* Move down to proper range now rounding is done */ K /= 10; pll_div->k = K; } /** * Please note that changing the PLL input frequency may require * resynchronisation with the AC97 controller. */ static int wm9713_set_pll(struct snd_soc_codec *codec, int pll_id, unsigned int freq_in, unsigned int freq_out) { struct wm9713_priv *wm9713 = codec->private_data; u16 reg, reg2; struct _pll_div pll_div; /* turn PLL off ? */ if (freq_in == 0) { /* disable PLL power and select ext source */ reg = ac97_read(codec, AC97_HANDSET_RATE); ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080); reg = ac97_read(codec, AC97_EXTENDED_MID); ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200); wm9713->pll_in = 0; return 0; } pll_factors(&pll_div, freq_in); if (pll_div.k == 0) { reg = (pll_div.n << 12) | (pll_div.lf << 11) | (pll_div.divsel << 9) | (pll_div.divctl << 8); ac97_write(codec, AC97_LINE1_LEVEL, reg); } else { /* write the fractional k to the reg 0x46 pages */ reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) | (pll_div.divsel << 9) | (pll_div.divctl << 8); /* K [21:20] */ reg = reg2 | (0x5 << 4) | (pll_div.k >> 20); ac97_write(codec, AC97_LINE1_LEVEL, reg); /* K [19:16] */ reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf); ac97_write(codec, AC97_LINE1_LEVEL, reg); /* K [15:12] */ reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf); ac97_write(codec, AC97_LINE1_LEVEL, reg); /* K [11:8] */ reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf); ac97_write(codec, AC97_LINE1_LEVEL, reg); /* K [7:4] */ reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf); ac97_write(codec, AC97_LINE1_LEVEL, reg); reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */ ac97_write(codec, AC97_LINE1_LEVEL, reg); } /* turn PLL on and select as source */ reg = ac97_read(codec, AC97_EXTENDED_MID); ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff); reg = ac97_read(codec, AC97_HANDSET_RATE); ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f); wm9713->pll_in = freq_in; /* wait 10ms AC97 link frames for the link to stabilise */ schedule_timeout_interruptible(msecs_to_jiffies(10)); return 0; } static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out) { struct snd_soc_codec *codec = codec_dai->codec; return wm9713_set_pll(codec, pll_id, freq_in, freq_out); } /* * Tristate the PCM DAI lines, tristate can be disabled by calling * wm9713_set_dai_fmt() */ static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai, int tristate) { struct snd_soc_codec *codec = codec_dai->codec; u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff; if (tristate) ac97_write(codec, AC97_CENTER_LFE_MASTER, reg); return 0; } /* * Configure WM9713 clock dividers. * Voice DAC needs 256 FS */ static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div) { struct snd_soc_codec *codec = codec_dai->codec; u16 reg; switch (div_id) { case WM9713_PCMCLK_DIV: reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff; ac97_write(codec, AC97_HANDSET_RATE, reg | div); break; case WM9713_CLKA_MULT: reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd; ac97_write(codec, AC97_HANDSET_RATE, reg | div); break; case WM9713_CLKB_MULT: reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb; ac97_write(codec, AC97_HANDSET_RATE, reg | div); break; case WM9713_HIFI_DIV: reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff; ac97_write(codec, AC97_HANDSET_RATE, reg | div); break; case WM9713_PCMBCLK_DIV: reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff; ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div); break; case WM9713_PCMCLK_PLL_DIV: reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80; ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div); break; case WM9713_HIFI_PLL_DIV: reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80; ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div); break; default: return -EINVAL; } return 0; } static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5; u16 reg = 0x8000; /* clock masters */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: reg |= 0x4000; gpio |= 0x0010; break; case SND_SOC_DAIFMT_CBM_CFS: reg |= 0x6000; gpio |= 0x0018; break; case SND_SOC_DAIFMT_CBS_CFS: reg |= 0x2000; gpio |= 0x001a; break; case SND_SOC_DAIFMT_CBS_CFM: gpio |= 0x0012; break; } /* clock inversion */ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_IB_IF: reg |= 0x00c0; break; case SND_SOC_DAIFMT_IB_NF: reg |= 0x0080; break; case SND_SOC_DAIFMT_NB_IF: reg |= 0x0040; break; } /* DAI format */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: reg |= 0x0002; break; case SND_SOC_DAIFMT_RIGHT_J: break; case SND_SOC_DAIFMT_LEFT_J: reg |= 0x0001; break; case SND_SOC_DAIFMT_DSP_A: reg |= 0x0003; break; case SND_SOC_DAIFMT_DSP_B: reg |= 0x0043; break; } ac97_write(codec, AC97_GPIO_CFG, gpio); ac97_write(codec, AC97_CENTER_LFE_MASTER, reg); return 0; } static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_codec *codec = dai->codec; u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3; switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: break; case SNDRV_PCM_FORMAT_S20_3LE: reg |= 0x0004; break; case SNDRV_PCM_FORMAT_S24_LE: reg |= 0x0008; break; case SNDRV_PCM_FORMAT_S32_LE: reg |= 0x000c; break; } /* enable PCM interface in master mode */ ac97_write(codec, AC97_CENTER_LFE_MASTER, reg); return 0; } static int ac97_hifi_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_codec *codec = dai->codec; struct snd_pcm_runtime *runtime = substream->runtime; 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_soc_dai *dai) { struct snd_soc_codec *codec = dai->codec; struct snd_pcm_runtime *runtime = substream->runtime; 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 WM9713_RATES (SNDRV_PCM_RATE_8000 | \ SNDRV_PCM_RATE_11025 | \ SNDRV_PCM_RATE_22050 | \ SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000 | \ SNDRV_PCM_RATE_11025 | \ SNDRV_PCM_RATE_16000 | \ SNDRV_PCM_RATE_22050 | \ SNDRV_PCM_RATE_44100 | \ SNDRV_PCM_RATE_48000) #define WM9713_PCM_FORMATS \ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \ SNDRV_PCM_FORMAT_S24_LE) static struct snd_soc_dai_ops wm9713_dai_ops_hifi = { .prepare = ac97_hifi_prepare, .set_clkdiv = wm9713_set_dai_clkdiv, .set_pll = wm9713_set_dai_pll, }; static struct snd_soc_dai_ops wm9713_dai_ops_aux = { .prepare = ac97_aux_prepare, .set_clkdiv = wm9713_set_dai_clkdiv, .set_pll = wm9713_set_dai_pll, }; static struct snd_soc_dai_ops wm9713_dai_ops_voice = { .hw_params = wm9713_pcm_hw_params, .set_clkdiv = wm9713_set_dai_clkdiv, .set_pll = wm9713_set_dai_pll, .set_fmt = wm9713_set_dai_fmt, .set_tristate = wm9713_set_dai_tristate, }; struct snd_soc_dai wm9713_dai[] = { { .name = "AC97 HiFi", .ac97_control = 1, .playback = { .stream_name = "HiFi Playback", .channels_min = 1, .channels_max = 2, .rates = WM9713_RATES, .formats = SND_SOC_STD_AC97_FMTS,}, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = WM9713_RATES, .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &wm9713_dai_ops_hifi, }, { .name = "AC97 Aux", .playback = { .stream_name = "Aux Playback", .channels_min = 1, .channels_max = 1, .rates = WM9713_RATES, .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &wm9713_dai_ops_aux, }, { .name = "WM9713 Voice", .playback = { .stream_name = "Voice Playback", .channels_min = 1, .channels_max = 1, .rates = WM9713_PCM_RATES, .formats = WM9713_PCM_FORMATS,}, .capture = { .stream_name = "Voice Capture", .channels_min = 1, .channels_max = 2, .rates = WM9713_PCM_RATES, .formats = WM9713_PCM_FORMATS,}, .ops = &wm9713_dai_ops_voice, .symmetric_rates = 1, }, }; EXPORT_SYMBOL_GPL(wm9713_dai); int wm9713_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) == wm9713_reg[0]) return 1; } soc_ac97_ops.reset(codec->ac97); if (soc_ac97_ops.warm_reset) soc_ac97_ops.warm_reset(codec->ac97); if (ac97_read(codec, 0) != wm9713_reg[0]) return -EIO; return 0; } EXPORT_SYMBOL_GPL(wm9713_reset); static int wm9713_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { u16 reg; switch (level) { case SND_SOC_BIAS_ON: /* enable thermal shutdown */ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff; ac97_write(codec, AC97_EXTENDED_MID, reg); break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: /* enable master bias and vmid */ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff; ac97_write(codec, AC97_EXTENDED_MID, reg); ac97_write(codec, AC97_POWERDOWN, 0x0000); break; case SND_SOC_BIAS_OFF: /* disable everything including AC link */ ac97_write(codec, AC97_EXTENDED_MID, 0xffff); ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); ac97_write(codec, AC97_POWERDOWN, 0xffff); break; } codec->bias_level = level; return 0; } static int wm9713_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->card->codec; u16 reg; /* Disable everything except touchpanel - that will be handled * by the touch driver and left disabled if touch is not in * use. */ reg = ac97_read(codec, AC97_EXTENDED_MID); ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff); ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff); ac97_write(codec, AC97_POWERDOWN, 0x6f00); ac97_write(codec, AC97_POWERDOWN, 0xffff); return 0; } static int wm9713_soc_resume(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec = socdev->card->codec; struct wm9713_priv *wm9713 = codec->private_data; int i, ret; u16 *cache = codec->reg_cache; ret = wm9713_reset(codec, 1); if (ret < 0) { printk(KERN_ERR "could not reset AC97 codec\n"); return ret; } wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* do we need to re-start the PLL ? */ if (wm9713->pll_in) wm9713_set_pll(codec, 0, wm9713->pll_in, 0); /* only synchronise the codec if warm reset failed */ if (ret == 0) { for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) { if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID || i == AC97_EXTENDED_MSTATUS || i > 0x66) continue; soc_ac97_ops.write(codec->ac97, i, cache[i>>1]); } } if (codec->suspend_bias_level == SND_SOC_BIAS_ON) wm9713_set_bias_level(codec, SND_SOC_BIAS_ON); return ret; } static int wm9713_soc_probe(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec; int ret = 0, reg; socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); if (socdev->card->codec == NULL) return -ENOMEM; codec = socdev->card->codec; mutex_init(&codec->mutex); codec->reg_cache = kmemdup(wm9713_reg, sizeof(wm9713_reg), GFP_KERNEL); if (codec->reg_cache == NULL) { ret = -ENOMEM; goto cache_err; } codec->reg_cache_size = sizeof(wm9713_reg); codec->reg_cache_step = 2; codec->private_data = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL); if (codec->private_data == NULL) { ret = -ENOMEM; goto priv_err; } codec->name = "WM9713"; codec->owner = THIS_MODULE; codec->dai = wm9713_dai; codec->num_dai = ARRAY_SIZE(wm9713_dai); codec->write = ac97_write; codec->read = ac97_read; codec->set_bias_level = wm9713_set_bias_level; 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) goto codec_err; /* register pcms */ ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); if (ret < 0) goto pcm_err; /* do a cold reset for the controller and then try * a warm reset followed by an optional cold reset for codec */ wm9713_reset(codec, 0); ret = wm9713_reset(codec, 1); if (ret < 0) { printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n"); goto reset_err; } wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* unmute the adc - move to kcontrol */ reg = ac97_read(codec, AC97_CD) & 0x7fff; ac97_write(codec, AC97_CD, reg); snd_soc_add_controls(codec, wm9713_snd_ac97_controls, ARRAY_SIZE(wm9713_snd_ac97_controls)); wm9713_add_widgets(codec); return 0; reset_err: snd_soc_free_pcms(socdev); pcm_err: snd_soc_free_ac97_codec(codec); codec_err: kfree(codec->private_data); priv_err: kfree(codec->reg_cache); cache_err: kfree(socdev->card->codec); socdev->card->codec = NULL; return ret; } static int wm9713_soc_remove(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec = socdev->card->codec; if (codec == NULL) return 0; snd_soc_dapm_free(socdev); snd_soc_free_pcms(socdev); snd_soc_free_ac97_codec(codec); kfree(codec->private_data); kfree(codec->reg_cache); kfree(codec); return 0; } struct snd_soc_codec_device soc_codec_dev_wm9713 = { .probe = wm9713_soc_probe, .remove = wm9713_soc_remove, .suspend = wm9713_soc_suspend, .resume = wm9713_soc_resume, }; EXPORT_SYMBOL_GPL(soc_codec_dev_wm9713); MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver"); MODULE_AUTHOR("Liam Girdwood"); MODULE_LICENSE("GPL");