[ALSA] ASoC codecs: WM9712 support
authorRichard Purdie <rpurdie@rpsys.net>
Fri, 6 Oct 2006 16:37:32 +0000 (18:37 +0200)
committerJaroslav Kysela <perex@suse.cz>
Fri, 9 Feb 2007 08:00:23 +0000 (09:00 +0100)
This patch adds ASoC support for the WM9712 codec.
Supported features:-
o Capture/Playback/Sidetone/Bypass.
o Aux DAC.
o 8k - 48k sample rates.
o DAPM.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
sound/soc/codecs/wm9712.c [new file with mode: 0644]
sound/soc/codecs/wm9712.h [new file with mode: 0644]

diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
new file mode 100644 (file)
index 0000000..4850550
--- /dev/null
@@ -0,0 +1,778 @@
+/*
+ * 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/driver.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);
+
+#define AC97_DIR \
+       (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
+
+#define AC97_RATES \
+       (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
+       SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+       SNDRV_PCM_RATE_48000)
+
+/* may need to expand this */
+static struct snd_soc_dai_mode ac97_modes[] = {
+       {0, 0,  SNDRV_PCM_FMTBIT_S16_LE,        AC97_RATES},
+       {0, 0,  SNDRV_PCM_FMTBIT_S18_3LE,       AC97_RATES},
+};
+
+/*
+ * WM9712 register cache
+ */
+static const u16 wm9712_reg[] = {
+       0x6174, 0x8000, 0x8000, 0x8000, // 6
+       0xf0f0, 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_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, 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", 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, 0),
+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, 0),
+SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
+
+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, 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", NULL, "HP Mixer"},
+
+       /* 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 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_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);
+}
+
+struct snd_soc_codec_dai wm9712_dai[] = {
+{
+       .name = "AC97 HiFi",
+       .playback = {
+               .stream_name = "HiFi Playback",
+               .channels_min = 1,
+               .channels_max = 2,},
+       .capture = {
+               .stream_name = "HiFi Capture",
+               .channels_min = 1,
+               .channels_max = 2,},
+       .ops = {
+               .prepare = ac97_prepare,},
+       .caps = {
+               .num_modes = ARRAY_SIZE(ac97_modes),
+               .mode = ac97_modes,},
+       },
+       {
+       .name = "AC97 Aux",
+       .playback = {
+               .stream_name = "Aux Playback",
+               .channels_min = 1,
+               .channels_max = 1,},
+       .ops = {
+               .prepare = ac97_aux_prepare,},
+       .caps = {
+               .num_modes = ARRAY_SIZE(ac97_modes),
+               .mode = ac97_modes,},
+       },
+};
+EXPORT_SYMBOL_GPL(wm9712_dai);
+
+static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
+{
+       u16 reg;
+
+       switch (event) {
+       case SNDRV_CTL_POWER_D0: /* full On */
+               /* liam - maybe enable thermal shutdown */
+               reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
+               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) & 0xbbff;
+               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 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 =
+               kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
+       if (codec->reg_cache == NULL) {
+               kfree(codec->ac97);
+               kfree(socdev->codec);
+               socdev->codec = NULL;
+               return -ENOMEM;
+       }
+       memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
+       codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(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)
+               goto 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)
+               goto reset_err;
+
+       return 0;
+
+reset_err:
+       snd_soc_free_pcms(socdev);
+
+pcm_err:
+       snd_soc_free_ac97_codec(codec);
+
+err:
+       kfree(socdev->codec->reg_cache);
+       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");
diff --git a/sound/soc/codecs/wm9712.h b/sound/soc/codecs/wm9712.h
new file mode 100644 (file)
index 0000000..719105d
--- /dev/null
@@ -0,0 +1,14 @@
+/*
+ * wm9712.h  --  WM9712 Soc Audio driver
+ */
+
+#ifndef _WM9712_H
+#define _WM9712_H
+
+#define WM9712_DAI_AC97_HIFI   0
+#define WM9712_DAI_AC97_AUX            1
+
+extern struct snd_soc_codec_dai wm9712_dai[2];
+extern struct snd_soc_codec_device soc_codec_dev_wm9712;
+
+#endif