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android_kernel_motorola_sm6225/sound/soc/codecs/wm9713.c
Mark Brown 87b57fe2d3 [ALSA] wm9713: Don't control touch screen power on suspend 
Leave the power bit for the touch screen alone when suspending the WM9713
so that the touch screen driver can handle it. This allows the touch
screen to be used as a wakeup source when the system is suspended.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-04-24 12:00:35 +02:00

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/*
* 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", "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"},
/* 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;
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->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");
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