--- /dev/null
+/*
+ * wm9713.c -- ALSA Soc WM9713 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.
+ *
+ * Features:-
+ *
+ * o Support for AC97 Codec, Voice DAC and Aux DAC
+ * o Support for DAPM
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include "wm9713.h"
+
+#define WM9713_VERSION "0.15"
+
+struct wm9713_priv {
+ u32 pll_in; /* PLL input frequency */
+ u32 pll_out; /* PLL output 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("PC Beep Playback Headphone Volume", AC97_AUX, 12, 7, 1),
+SOC_SINGLE("PC Beep Playback Speaker Volume", AC97_AUX, 8, 7, 1),
+SOC_SINGLE("PC 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),
+};
+
+/* add non dapm controls */
+static int wm9713_add_controls(struct snd_soc_codec *codec)
+{
+ int err, i;
+
+ for (i = 0; i < ARRAY_SIZE(wm9713_snd_ac97_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm9713_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 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("PC 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("PC 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("PC 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("PC 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("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1),
+SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
+SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_EXTENDED_MID, 5, 1),
+SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_EXTENDED_MID, 4, 1),
+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 char *audio_map[][3] = {
+ /* left HP mixer */
+ {"Left HP Mixer", "PC 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", "PC 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", "PC 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", "PC 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", 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"},
+
+ /* right ADC */
+ {"Right ADC", NULL, "Right Capture Source"},
+
+ /* 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"},
+
+ {NULL, NULL, NULL},
+};
+
+static int wm9713_add_widgets(struct snd_soc_codec *codec)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(wm9713_dapm_widgets); i++)
+ snd_soc_dapm_new_control(codec, &wm9713_dapm_widgets[i]);
+
+ /* set up audio path audio_mapnects */
+ 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_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 %d 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 || freq_out == 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_out = 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_out = freq_out;
+ 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_codec_dai *codec_dai,
+ int pll_id, 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_codec_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_codec_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_codec_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 |= 0x0200;
+ 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_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->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 void wm9713_voiceshutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_device *socdev = rtd->socdev;
+ struct snd_soc_codec *codec = socdev->codec;
+ u16 status;
+
+ /* Gracefully shut down the voice interface. */
+ status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
+ ac97_write(codec, AC97_HANDSET_RATE, 0x0280);
+ schedule_timeout_interruptible(msecs_to_jiffies(1));
+ ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);
+ ac97_write(codec, AC97_EXTENDED_MID, status);
+}
+
+static int ac97_hifi_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 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_FORMATS \
+ (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
+ SNDRV_PCM_FORMAT_S24_LE)
+
+struct snd_soc_codec_dai wm9713_dai[] = {
+{
+ .name = "AC97 HiFi",
+ .type = SND_SOC_DAI_AC97_BUS,
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM9713_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .stream_name = "HiFi Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM9713_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .prepare = ac97_hifi_prepare,},
+ .dai_ops = {
+ .set_clkdiv = wm9713_set_dai_clkdiv,
+ .set_pll = wm9713_set_dai_pll,},
+ },
+ {
+ .name = "AC97 Aux",
+ .playback = {
+ .stream_name = "Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = WM9713_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .prepare = ac97_aux_prepare,},
+ .dai_ops = {
+ .set_clkdiv = wm9713_set_dai_clkdiv,
+ .set_pll = wm9713_set_dai_pll,},
+ },
+ {
+ .name = "WM9713 Voice",
+ .playback = {
+ .stream_name = "Voice Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = WM9713_RATES,
+ .formats = WM9713_PCM_FORMATS,},
+ .capture = {
+ .stream_name = "Voice Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = WM9713_RATES,
+ .formats = WM9713_PCM_FORMATS,},
+ .ops = {
+ .hw_params = wm9713_pcm_hw_params,
+ .shutdown = wm9713_voiceshutdown,},
+ .dai_ops = {
+ .set_clkdiv = wm9713_set_dai_clkdiv,
+ .set_pll = wm9713_set_dai_pll,
+ .set_fmt = wm9713_set_dai_fmt,
+ .set_tristate = wm9713_set_dai_tristate,
+ },
+ },
+};
+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) & 0x8000))
+ return 1;
+ }
+
+ soc_ac97_ops.reset(codec->ac97);
+ if (ac97_read(codec, 0) & 0x8000)
+ return -EIO;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(wm9713_reset);
+
+static int wm9713_dapm_event(struct snd_soc_codec *codec, int event)
+{
+ u16 reg;
+
+ switch (event) {
+ case SNDRV_CTL_POWER_D0: /* full On */
+ /* enable thermal shutdown */
+ reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
+ ac97_write(codec, AC97_EXTENDED_MID, reg);
+ break;
+ case SNDRV_CTL_POWER_D1: /* partial On */
+ case SNDRV_CTL_POWER_D2: /* partial On */
+ break;
+ case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+ /* 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 SNDRV_CTL_POWER_D3cold: /* Off, without power */
+ /* 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->dapm_state = event;
+ 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->codec;
+
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+ 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->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_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* do we need to re-start the PLL ? */
+ if (wm9713->pll_out)
+ wm9713_set_pll(codec, 0, wm9713->pll_in, wm9713->pll_out);
+
+ /* 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_dapm_state == SNDRV_CTL_POWER_D0)
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D0);
+
+ 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;
+
+ printk(KERN_INFO "WM9713/WM9714 SoC Audio Codec %s\n", WM9713_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(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->dapm_event = wm9713_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)
+ 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 "AC97 link error\n");
+ goto reset_err;
+ }
+
+ wm9713_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+
+ /* unmute the adc - move to kcontrol */
+ reg = ac97_read(codec, AC97_CD) & 0x7fff;
+ ac97_write(codec, AC97_CD, reg);
+
+ wm9713_add_controls(codec);
+ wm9713_add_widgets(codec);
+ ret = snd_soc_register_card(socdev);
+ if (ret < 0)
+ goto reset_err;
+ 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->codec);
+ socdev->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->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->dai);
+ 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");
projects / linux-2.6 / commitdiff