/*
* wm9713.c -- ALSA Soc WM9713 codec support
*
* Copyright 2006 Wolfson Microelectronics PLC.
* Author: Liam Girdwood <lrg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* Features:-
*
* o Support for AC97 Codec, Voice DAC and Aux DAC
* o Support for DAPM
*/
#include <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 */
};
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),
};
static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 status, rate;
BUG_ON(event != SND_SOC_DAPM_PRE_PMD);
/* Gracefully shut down the voice interface. */
status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
schedule_timeout_interruptible(msecs_to_jiffies(1));
ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
ac97_write(codec, AC97_EXTENDED_MID, status);
return 0;
}
/* We have to create a fake left and right HP mixers because
* the codec only has a single control that is shared by both channels.
* This makes it impossible to determine the audio path using the current
* register map, thus we add a new (virtual) register to help determine the
* audio route within the device.
*/
static int mixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
u16 l, r, beep, tone, phone, rec, pcm, aux;
l = ac97_read(w->codec, HPL_MIXER);
r = ac97_read(w->codec, HPR_MIXER);
beep = ac97_read(w->codec, AC97_PC_BEEP);
tone = ac97_read(w->codec, AC97_MASTER_TONE);
phone = ac97_read(w->codec, AC97_PHONE);
rec = ac97_read(w->codec, AC97_REC_SEL);
pcm = ac97_read(w->codec, AC97_PCM);
aux = ac97_read(w->codec, AC97_AUX);
if (event & SND_SOC_DAPM_PRE_REG)
return 0;
if ((l & 0x1) || (r & 0x1))
ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
else
ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
if ((l & 0x2) || (r & 0x2))
ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
else
ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
if ((l & 0x4) || (r & 0x4))
ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
else
ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
if ((l & 0x8) || (r & 0x8))
ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
else
ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
if ((l & 0x10) || (r & 0x10))
ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
else
ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
if ((l & 0x20) || (r & 0x20))
ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
else
ac97_write(w->codec, AC97_AUX, aux | 0x8000);
return 0;
}
/* Left Headphone Mixers */
static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
SOC_DAPM_SINGLE("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_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
SND_SOC_DAPM_OUTPUT("MONO"),
SND_SOC_DAPM_OUTPUT("HPL"),
SND_SOC_DAPM_OUTPUT("HPR"),
SND_SOC_DAPM_OUTPUT("SPKL"),
SND_SOC_DAPM_OUTPUT("SPKR"),
SND_SOC_DAPM_OUTPUT("OUT3"),
SND_SOC_DAPM_OUTPUT("OUT4"),
SND_SOC_DAPM_INPUT("LINEL"),
SND_SOC_DAPM_INPUT("LINER"),
SND_SOC_DAPM_INPUT("MONOIN"),
SND_SOC_DAPM_INPUT("PCBEEP"),
SND_SOC_DAPM_INPUT("MIC1"),
SND_SOC_DAPM_INPUT("MIC2A"),
SND_SOC_DAPM_INPUT("MIC2B"),
SND_SOC_DAPM_VMID("VMID"),
};
static const struct snd_soc_dapm_route audio_map[] = {
/* left HP mixer */
{"Left HP Mixer", "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"},
{"Left Voice ADC", NULL, "Left ADC"},
{"Left HiFi ADC", NULL, "Left ADC"},
/* right ADC */
{"Right ADC", NULL, "Right Capture Source"},
{"Right Voice ADC", NULL, "Right ADC"},
{"Right HiFi ADC", NULL, "Right ADC"},
/* mic */
{"Mic A Pre Amp", NULL, "Mic A Source"},
{"Mic A Source", "Mic 1", "MIC1"},
{"Mic A Source", "Mic 2 A", "MIC2A"},
{"Mic A Source", "Mic 2 B", "Mic B Source"},
{"Mic B Pre Amp", "MPB", "Mic B Source"},
{"Mic B Source", NULL, "MIC2B"},
/* headphone capture */
{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
{"Capture Headphone Mux", "Left", "Left Capture Source"},
{"Capture Headphone Mux", "Right", "Right Capture Source"},
/* mono capture */
{"Capture Mono Mux", "Stereo", "Capture Mixer"},
{"Capture Mono Mux", "Left", "Left Capture Source"},
{"Capture Mono Mux", "Right", "Right Capture Source"},
};
static int wm9713_add_widgets(struct snd_soc_codec *codec)
{
snd_soc_dapm_new_controls(codec, wm9713_dapm_widgets,
ARRAY_SIZE(wm9713_dapm_widgets));
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
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 %u out of recommended range!\n",
Ndiv);
pll_div->n = Ndiv;
Nmod = target % source;
Kpart = FIXED_PLL_SIZE * (long long)Nmod;
do_div(Kpart, source);
K = Kpart & 0xFFFFFFFF;
/* Check if we need to round */
if ((K % 10) >= 5)
K += 5;
/* Move down to proper range now rounding is done */
K /= 10;
pll_div->k = K;
}
/**
* Please note that changing the PLL input frequency may require
* resynchronisation with the AC97 controller.
*/
static int wm9713_set_pll(struct snd_soc_codec *codec,
int pll_id, unsigned int freq_in, unsigned int freq_out)
{
struct wm9713_priv *wm9713 = codec->private_data;
u16 reg, reg2;
struct _pll_div pll_div;
/* turn PLL off ? */
if (freq_in == 0) {
/* disable PLL power and select ext source */
reg = ac97_read(codec, AC97_HANDSET_RATE);
ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
reg = ac97_read(codec, AC97_EXTENDED_MID);
ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
wm9713->pll_in = 0;
return 0;
}
pll_factors(&pll_div, freq_in);
if (pll_div.k == 0) {
reg = (pll_div.n << 12) | (pll_div.lf << 11) |
(pll_div.divsel << 9) | (pll_div.divctl << 8);
ac97_write(codec, AC97_LINE1_LEVEL, reg);
} else {
/* write the fractional k to the reg 0x46 pages */
reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
(pll_div.divsel << 9) | (pll_div.divctl << 8);
/* K [21:20] */
reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
ac97_write(codec, AC97_LINE1_LEVEL, reg);
/* K [19:16] */
reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
ac97_write(codec, AC97_LINE1_LEVEL, reg);
/* K [15:12] */
reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
ac97_write(codec, AC97_LINE1_LEVEL, reg);
/* K [11:8] */
reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
ac97_write(codec, AC97_LINE1_LEVEL, reg);
/* K [7:4] */
reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
ac97_write(codec, AC97_LINE1_LEVEL, reg);
reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
ac97_write(codec, AC97_LINE1_LEVEL, reg);
}
/* turn PLL on and select as source */
reg = ac97_read(codec, AC97_EXTENDED_MID);
ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
reg = ac97_read(codec, AC97_HANDSET_RATE);
ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
wm9713->pll_in = freq_in;
/* wait 10ms AC97 link frames for the link to stabilise */
schedule_timeout_interruptible(msecs_to_jiffies(10));
return 0;
}
static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai,
int pll_id, unsigned int freq_in, unsigned int freq_out)
{
struct snd_soc_codec *codec = codec_dai->codec;
return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
}
/*
* Tristate the PCM DAI lines, tristate can be disabled by calling
* wm9713_set_dai_fmt()
*/
static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
int tristate)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
if (tristate)
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
return 0;
}
/*
* Configure WM9713 clock dividers.
* Voice DAC needs 256 FS
*/
static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
int div_id, int div)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 reg;
switch (div_id) {
case WM9713_PCMCLK_DIV:
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
break;
case WM9713_CLKA_MULT:
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
break;
case WM9713_CLKB_MULT:
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
break;
case WM9713_HIFI_DIV:
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
break;
case WM9713_PCMBCLK_DIV:
reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
break;
case WM9713_PCMCLK_PLL_DIV:
reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
break;
case WM9713_HIFI_PLL_DIV:
reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
break;
default:
return -EINVAL;
}
return 0;
}
static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
u16 reg = 0x8000;
/* clock masters */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
reg |= 0x4000;
gpio |= 0x0010;
break;
case SND_SOC_DAIFMT_CBM_CFS:
reg |= 0x6000;
gpio |= 0x0018;
break;
case SND_SOC_DAIFMT_CBS_CFS:
reg |= 0x2000;
gpio |= 0x001a;
break;
case SND_SOC_DAIFMT_CBS_CFM:
gpio |= 0x0012;
break;
}
/* clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_IB_IF:
reg |= 0x00c0;
break;
case SND_SOC_DAIFMT_IB_NF:
reg |= 0x0080;
break;
case SND_SOC_DAIFMT_NB_IF:
reg |= 0x0040;
break;
}
/* DAI format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
reg |= 0x0002;
break;
case SND_SOC_DAIFMT_RIGHT_J:
break;
case SND_SOC_DAIFMT_LEFT_J:
reg |= 0x0001;
break;
case SND_SOC_DAIFMT_DSP_A:
reg |= 0x0003;
break;
case SND_SOC_DAIFMT_DSP_B:
reg |= 0x0043;
break;
}
ac97_write(codec, AC97_GPIO_CFG, gpio);
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
return 0;
}
static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
case SNDRV_PCM_FORMAT_S20_3LE:
reg |= 0x0004;
break;
case SNDRV_PCM_FORMAT_S24_LE:
reg |= 0x0008;
break;
case SNDRV_PCM_FORMAT_S32_LE:
reg |= 0x000c;
break;
}
/* enable PCM interface in master mode */
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
return 0;
}
static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct snd_pcm_runtime *runtime = substream->runtime;
int reg;
u16 vra;
vra = ac97_read(codec, AC97_EXTENDED_STATUS);
ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = AC97_PCM_FRONT_DAC_RATE;
else
reg = AC97_PCM_LR_ADC_RATE;
return ac97_write(codec, reg, runtime->rate);
}
static int ac97_aux_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct snd_pcm_runtime *runtime = substream->runtime;
u16 vra, xsle;
vra = ac97_read(codec, AC97_EXTENDED_STATUS);
ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
xsle = ac97_read(codec, AC97_PCI_SID);
ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
return -ENODEV;
return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
}
#define WM9713_RATES (SNDRV_PCM_RATE_8000 | \
SNDRV_PCM_RATE_11025 | \
SNDRV_PCM_RATE_22050 | \
SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
#define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000 | \
SNDRV_PCM_RATE_11025 | \
SNDRV_PCM_RATE_16000 | \
SNDRV_PCM_RATE_22050 | \
SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000)
#define WM9713_PCM_FORMATS \
(SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
SNDRV_PCM_FORMAT_S24_LE)
static struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
.prepare = ac97_hifi_prepare,
.set_clkdiv = wm9713_set_dai_clkdiv,
.set_pll = wm9713_set_dai_pll,
};
static struct snd_soc_dai_ops wm9713_dai_ops_aux = {
.prepare = ac97_aux_prepare,
.set_clkdiv = wm9713_set_dai_clkdiv,
.set_pll = wm9713_set_dai_pll,
};
static struct snd_soc_dai_ops wm9713_dai_ops_voice = {
.hw_params = wm9713_pcm_hw_params,
.set_clkdiv = wm9713_set_dai_clkdiv,
.set_pll = wm9713_set_dai_pll,
.set_fmt = wm9713_set_dai_fmt,
.set_tristate = wm9713_set_dai_tristate,
};
struct snd_soc_dai wm9713_dai[] = {
{
.name = "AC97 HiFi",
.ac97_control = 1,
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
.channels_max = 2,
.rates = WM9713_RATES,
.formats = SND_SOC_STD_AC97_FMTS,},
.capture = {
.stream_name = "HiFi Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM9713_RATES,
.formats = SND_SOC_STD_AC97_FMTS,},
.ops = &wm9713_dai_ops_hifi,
},
{
.name = "AC97 Aux",
.playback = {
.stream_name = "Aux Playback",
.channels_min = 1,
.channels_max = 1,
.rates = WM9713_RATES,
.formats = SND_SOC_STD_AC97_FMTS,},
.ops = &wm9713_dai_ops_aux,
},
{
.name = "WM9713 Voice",
.playback = {
.stream_name = "Voice Playback",
.channels_min = 1,
.channels_max = 1,
.rates = WM9713_PCM_RATES,
.formats = WM9713_PCM_FORMATS,},
.capture = {
.stream_name = "Voice Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM9713_PCM_RATES,
.formats = WM9713_PCM_FORMATS,},
.ops = &wm9713_dai_ops_voice,
.symmetric_rates = 1,
},
};
EXPORT_SYMBOL_GPL(wm9713_dai);
int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
{
if (try_warm && soc_ac97_ops.warm_reset) {
soc_ac97_ops.warm_reset(codec->ac97);
if (ac97_read(codec, 0) == wm9713_reg[0])
return 1;
}
soc_ac97_ops.reset(codec->ac97);
if (soc_ac97_ops.warm_reset)
soc_ac97_ops.warm_reset(codec->ac97);
if (ac97_read(codec, 0) != wm9713_reg[0])
return -EIO;
return 0;
}
EXPORT_SYMBOL_GPL(wm9713_reset);
static int wm9713_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
u16 reg;
switch (level) {
case SND_SOC_BIAS_ON:
/* enable thermal shutdown */
reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
ac97_write(codec, AC97_EXTENDED_MID, reg);
break;
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
/* enable master bias and vmid */
reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
ac97_write(codec, AC97_EXTENDED_MID, reg);
ac97_write(codec, AC97_POWERDOWN, 0x0000);
break;
case SND_SOC_BIAS_OFF:
/* disable everything including AC link */
ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
ac97_write(codec, AC97_POWERDOWN, 0xffff);
break;
}
codec->bias_level = level;
return 0;
}
static int wm9713_soc_suspend(struct platform_device *pdev,
pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
u16 reg;
/* Disable everything except touchpanel - that will be handled
* by the touch driver and left disabled if touch is not in
* use. */
reg = ac97_read(codec, AC97_EXTENDED_MID);
ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
ac97_write(codec, AC97_POWERDOWN, 0x6f00);
ac97_write(codec, AC97_POWERDOWN, 0xffff);
return 0;
}
static int wm9713_soc_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
struct wm9713_priv *wm9713 = codec->private_data;
int i, ret;
u16 *cache = codec->reg_cache;
ret = wm9713_reset(codec, 1);
if (ret < 0) {
printk(KERN_ERR "could not reset AC97 codec\n");
return ret;
}
wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* do we need to re-start the PLL ? */
if (wm9713->pll_in)
wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
/* only synchronise the codec if warm reset failed */
if (ret == 0) {
for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
i == AC97_EXTENDED_MSTATUS || i > 0x66)
continue;
soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
}
}
if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
wm9713_set_bias_level(codec, SND_SOC_BIAS_ON);
return ret;
}
static int wm9713_soc_probe(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec;
int ret = 0, reg;
printk(KERN_INFO "WM9713/WM9714 SoC Audio Codec %s\n", WM9713_VERSION);
socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec),
GFP_KERNEL);
if (socdev->card->codec == NULL)
return -ENOMEM;
codec = socdev->card->codec;
mutex_init(&codec->mutex);
codec->reg_cache = kmemdup(wm9713_reg, sizeof(wm9713_reg), GFP_KERNEL);
if (codec->reg_cache == NULL) {
ret = -ENOMEM;
goto cache_err;
}
codec->reg_cache_size = sizeof(wm9713_reg);
codec->reg_cache_step = 2;
codec->private_data = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
if (codec->private_data == NULL) {
ret = -ENOMEM;
goto priv_err;
}
codec->name = "WM9713";
codec->owner = THIS_MODULE;
codec->dai = wm9713_dai;
codec->num_dai = ARRAY_SIZE(wm9713_dai);
codec->write = ac97_write;
codec->read = ac97_read;
codec->set_bias_level = wm9713_set_bias_level;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
if (ret < 0)
goto codec_err;
/* register pcms */
ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
if (ret < 0)
goto pcm_err;
/* do a cold reset for the controller and then try
* a warm reset followed by an optional cold reset for codec */
wm9713_reset(codec, 0);
ret = wm9713_reset(codec, 1);
if (ret < 0) {
printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
goto reset_err;
}
wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* unmute the adc - move to kcontrol */
reg = ac97_read(codec, AC97_CD) & 0x7fff;
ac97_write(codec, AC97_CD, reg);
snd_soc_add_controls(codec, wm9713_snd_ac97_controls,
ARRAY_SIZE(wm9713_snd_ac97_controls));
wm9713_add_widgets(codec);
ret = snd_soc_init_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->card->codec);
socdev->card->codec = NULL;
return ret;
}
static int wm9713_soc_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct snd_soc_codec *codec = socdev->card->codec;
if (codec == NULL)
return 0;
snd_soc_dapm_free(socdev);
snd_soc_free_pcms(socdev);
snd_soc_free_ac97_codec(codec);
kfree(codec->private_data);
kfree(codec->reg_cache);
kfree(codec);
return 0;
}
struct snd_soc_codec_device soc_codec_dev_wm9713 = {
.probe = wm9713_soc_probe,
.remove = wm9713_soc_remove,
.suspend = wm9713_soc_suspend,
.resume = wm9713_soc_resume,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_wm9713);
MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
MODULE_AUTHOR("Liam Girdwood");
MODULE_LICENSE("GPL");
