1295 lines
42 KiB
C
1295 lines
42 KiB
C
/*
|
|
* 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/slab.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/tlv.h>
|
|
#include <sound/soc.h>
|
|
|
|
#include "wm9713.h"
|
|
|
|
struct wm9713_priv {
|
|
u32 pll_in; /* PLL input frequency */
|
|
};
|
|
|
|
static unsigned int ac97_read(struct snd_soc_codec *codec,
|
|
unsigned int reg);
|
|
static int ac97_write(struct snd_soc_codec *codec,
|
|
unsigned int reg, unsigned int val);
|
|
|
|
/*
|
|
* WM9713 register cache
|
|
* Reg 0x3c bit 15 is used by touch driver.
|
|
*/
|
|
static const u16 wm9713_reg[] = {
|
|
0x6174, 0x8080, 0x8080, 0x8080,
|
|
0xc880, 0xe808, 0xe808, 0x0808,
|
|
0x00da, 0x8000, 0xd600, 0xaaa0,
|
|
0xaaa0, 0xaaa0, 0x0000, 0x0000,
|
|
0x0f0f, 0x0040, 0x0000, 0x7f00,
|
|
0x0405, 0x0410, 0xbb80, 0xbb80,
|
|
0x0000, 0xbb80, 0x0000, 0x4523,
|
|
0x0000, 0x2000, 0x7eff, 0xffff,
|
|
0x0000, 0x0000, 0x0080, 0x0000,
|
|
0x0000, 0x0000, 0xfffe, 0xffff,
|
|
0x0000, 0x0000, 0x0000, 0xfffe,
|
|
0x4000, 0x0000, 0x0000, 0x0000,
|
|
0xb032, 0x3e00, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0000,
|
|
0x0000, 0x0000, 0x0000, 0x0006,
|
|
0x0001, 0x0000, 0x574d, 0x4c13,
|
|
0x0000, 0x0000, 0x0000
|
|
};
|
|
|
|
/* virtual HP mixers regs */
|
|
#define HPL_MIXER 0x80
|
|
#define HPR_MIXER 0x82
|
|
#define MICB_MUX 0x82
|
|
|
|
static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
|
|
static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
|
|
static const char *wm9713_rec_src[] =
|
|
{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
|
|
"Mono Out", "Zh"};
|
|
static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
|
|
static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
|
|
static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
|
|
"Mono Vmid", "Inv Vmid"};
|
|
static const char *wm9713_spk_pga[] =
|
|
{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
|
|
"Speaker Vmid", "Inv Vmid"};
|
|
static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
|
|
"Headphone Vmid"};
|
|
static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
|
|
static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
|
|
static const char *wm9713_dac_inv[] =
|
|
{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
|
|
"Headphone Mono", "NC", "Vmid"};
|
|
static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
|
|
static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
|
|
static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
|
|
static const char *wm9713_micb_select[] = {"MPB", "MPA"};
|
|
|
|
static const struct soc_enum wm9713_enum[] = {
|
|
SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
|
|
SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
|
|
SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux), /* record mux mono 2 */
|
|
SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src), /* record mux left 3 */
|
|
SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src), /* record mux right 4*/
|
|
SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
|
|
SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
|
|
SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
|
|
SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
|
|
SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
|
|
SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
|
|
SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
|
|
};
|
|
|
|
static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
|
|
static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
|
|
static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
|
|
static unsigned int mic_tlv[] = {
|
|
TLV_DB_RANGE_HEAD(2),
|
|
0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
|
|
3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
|
|
SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
|
|
SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
|
|
SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
|
|
out_tlv),
|
|
SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
|
|
SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
|
|
SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
|
|
SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
|
|
SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
|
|
SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
|
|
SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),
|
|
|
|
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_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
|
|
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_TLV("Out4 Playback Volume", AC97_MASTER_MONO, 8, 31, 1, out_tlv),
|
|
|
|
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_TLV("Out3 Playback Volume", AC97_MASTER_MONO, 0, 31, 1, out_tlv),
|
|
|
|
SOC_SINGLE_TLV("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1, main_tlv),
|
|
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_TLV("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1, out_tlv),
|
|
|
|
SOC_SINGLE_TLV("Headphone Mixer Beep Playback Volume", AC97_AUX, 12, 7, 1,
|
|
misc_tlv),
|
|
SOC_SINGLE_TLV("Speaker Mixer Beep Playback Volume", AC97_AUX, 8, 7, 1,
|
|
misc_tlv),
|
|
SOC_SINGLE_TLV("Mono Mixer Beep Playback Volume", AC97_AUX, 4, 7, 1, misc_tlv),
|
|
|
|
SOC_SINGLE_TLV("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1,
|
|
misc_tlv),
|
|
SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
|
|
SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
|
|
|
|
SOC_SINGLE_TLV("Headphone Mixer Aux Playback Volume", AC97_REC_SEL, 12, 7, 1,
|
|
misc_tlv),
|
|
|
|
SOC_SINGLE_TLV("Speaker Mixer Voice Playback Volume", AC97_PCM, 8, 7, 1,
|
|
misc_tlv),
|
|
SOC_SINGLE_TLV("Speaker Mixer Aux Playback Volume", AC97_REC_SEL, 8, 7, 1,
|
|
misc_tlv),
|
|
|
|
SOC_SINGLE_TLV("Mono Mixer Voice Playback Volume", AC97_PCM, 4, 7, 1,
|
|
misc_tlv),
|
|
SOC_SINGLE_TLV("Mono Mixer Aux Playback Volume", AC97_REC_SEL, 4, 7, 1,
|
|
misc_tlv),
|
|
|
|
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_ENUM("Bass Control", wm9713_enum[16]),
|
|
SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
|
|
SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
|
|
SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
|
|
SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
|
|
SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
|
|
|
|
SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
|
|
SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
|
|
SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
|
|
};
|
|
|
|
static int wm9713_voice_shutdown(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
struct snd_soc_codec *codec = w->codec;
|
|
u16 status, rate;
|
|
|
|
BUG_ON(event != SND_SOC_DAPM_PRE_PMD);
|
|
|
|
/* Gracefully shut down the voice interface. */
|
|
status = ac97_read(codec, AC97_EXTENDED_MID) | 0x1000;
|
|
rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
|
|
ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
|
|
schedule_timeout_interruptible(msecs_to_jiffies(1));
|
|
ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
|
|
ac97_write(codec, AC97_EXTENDED_MID, status);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* We have to create a fake left and right HP mixers because
|
|
* the codec only has a single control that is shared by both channels.
|
|
* This makes it impossible to determine the audio path using the current
|
|
* register map, thus we add a new (virtual) register to help determine the
|
|
* audio route within the device.
|
|
*/
|
|
static int mixer_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
u16 l, r, beep, tone, phone, rec, pcm, aux;
|
|
|
|
l = ac97_read(w->codec, HPL_MIXER);
|
|
r = ac97_read(w->codec, HPR_MIXER);
|
|
beep = ac97_read(w->codec, AC97_PC_BEEP);
|
|
tone = ac97_read(w->codec, AC97_MASTER_TONE);
|
|
phone = ac97_read(w->codec, AC97_PHONE);
|
|
rec = ac97_read(w->codec, AC97_REC_SEL);
|
|
pcm = ac97_read(w->codec, AC97_PCM);
|
|
aux = ac97_read(w->codec, AC97_AUX);
|
|
|
|
if (event & SND_SOC_DAPM_PRE_REG)
|
|
return 0;
|
|
if ((l & 0x1) || (r & 0x1))
|
|
ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
|
|
else
|
|
ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
|
|
|
|
if ((l & 0x2) || (r & 0x2))
|
|
ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
|
|
else
|
|
ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
|
|
|
|
if ((l & 0x4) || (r & 0x4))
|
|
ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
|
|
else
|
|
ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
|
|
|
|
if ((l & 0x8) || (r & 0x8))
|
|
ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
|
|
else
|
|
ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
|
|
|
|
if ((l & 0x10) || (r & 0x10))
|
|
ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
|
|
else
|
|
ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
|
|
|
|
if ((l & 0x20) || (r & 0x20))
|
|
ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
|
|
else
|
|
ac97_write(w->codec, AC97_AUX, aux | 0x8000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Left Headphone Mixers */
|
|
static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("Beep Playback Switch", HPL_MIXER, 5, 1, 0),
|
|
SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
|
|
SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
|
|
SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
|
|
SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
|
|
SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
|
|
};
|
|
|
|
/* Right Headphone Mixers */
|
|
static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("Beep Playback Switch", HPR_MIXER, 5, 1, 0),
|
|
SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
|
|
SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
|
|
SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
|
|
SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
|
|
SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
|
|
};
|
|
|
|
/* headphone capture mux */
|
|
static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[1]);
|
|
|
|
/* headphone mic mux */
|
|
static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[0]);
|
|
|
|
/* Speaker Mixer */
|
|
static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 11, 1, 1),
|
|
SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
|
|
SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
|
|
SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
|
|
SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
|
|
SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
|
|
};
|
|
|
|
/* Mono Mixer */
|
|
static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
|
|
SOC_DAPM_SINGLE("Beep Playback Switch", AC97_AUX, 7, 1, 1),
|
|
SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
|
|
SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
|
|
SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
|
|
SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
|
|
SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
|
|
SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
|
|
SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
|
|
};
|
|
|
|
/* mono mic mux */
|
|
static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[2]);
|
|
|
|
/* mono output mux */
|
|
static const struct snd_kcontrol_new wm9713_mono_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[7]);
|
|
|
|
/* speaker left output mux */
|
|
static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[8]);
|
|
|
|
/* speaker right output mux */
|
|
static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[9]);
|
|
|
|
/* headphone left output mux */
|
|
static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[10]);
|
|
|
|
/* headphone right output mux */
|
|
static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[11]);
|
|
|
|
/* Out3 mux */
|
|
static const struct snd_kcontrol_new wm9713_out3_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[12]);
|
|
|
|
/* Out4 mux */
|
|
static const struct snd_kcontrol_new wm9713_out4_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[13]);
|
|
|
|
/* DAC inv mux 1 */
|
|
static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[14]);
|
|
|
|
/* DAC inv mux 2 */
|
|
static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[15]);
|
|
|
|
/* Capture source left */
|
|
static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[3]);
|
|
|
|
/* Capture source right */
|
|
static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[4]);
|
|
|
|
/* mic source */
|
|
static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[18]);
|
|
|
|
/* mic source B virtual control */
|
|
static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
|
|
SOC_DAPM_ENUM("Route", wm9713_enum[19]);
|
|
|
|
static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
|
|
SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_hp_rec_mux_controls),
|
|
SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_hp_mic_mux_controls),
|
|
SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_mono_mic_mux_controls),
|
|
SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_mono_mux_controls),
|
|
SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_hp_spkl_mux_controls),
|
|
SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_hp_spkr_mux_controls),
|
|
SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_hpl_out_mux_controls),
|
|
SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_hpr_out_mux_controls),
|
|
SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_out3_mux_controls),
|
|
SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_out4_mux_controls),
|
|
SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_dac_inv1_mux_controls),
|
|
SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_dac_inv2_mux_controls),
|
|
SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_rec_srcl_mux_controls),
|
|
SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_rec_srcr_mux_controls),
|
|
SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_mic_sel_mux_controls),
|
|
SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
|
|
&wm9713_micb_sel_mux_controls),
|
|
SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
|
|
&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
|
|
mixer_event, SND_SOC_DAPM_POST_REG),
|
|
SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
|
|
&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
|
|
mixer_event, SND_SOC_DAPM_POST_REG),
|
|
SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
|
|
&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
|
|
SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
|
|
&wm9713_speaker_mixer_controls[0],
|
|
ARRAY_SIZE(wm9713_speaker_mixer_controls)),
|
|
SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
|
|
SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
|
|
SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_DAC_E("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1,
|
|
wm9713_voice_shutdown, SND_SOC_DAPM_PRE_PMD),
|
|
SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
|
|
SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
|
|
SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
|
|
SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
|
|
SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
|
|
SND_SOC_DAPM_OUTPUT("MONO"),
|
|
SND_SOC_DAPM_OUTPUT("HPL"),
|
|
SND_SOC_DAPM_OUTPUT("HPR"),
|
|
SND_SOC_DAPM_OUTPUT("SPKL"),
|
|
SND_SOC_DAPM_OUTPUT("SPKR"),
|
|
SND_SOC_DAPM_OUTPUT("OUT3"),
|
|
SND_SOC_DAPM_OUTPUT("OUT4"),
|
|
SND_SOC_DAPM_INPUT("LINEL"),
|
|
SND_SOC_DAPM_INPUT("LINER"),
|
|
SND_SOC_DAPM_INPUT("MONOIN"),
|
|
SND_SOC_DAPM_INPUT("PCBEEP"),
|
|
SND_SOC_DAPM_INPUT("MIC1"),
|
|
SND_SOC_DAPM_INPUT("MIC2A"),
|
|
SND_SOC_DAPM_INPUT("MIC2B"),
|
|
SND_SOC_DAPM_VMID("VMID"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route wm9713_audio_map[] = {
|
|
/* left HP mixer */
|
|
{"Left HP Mixer", "Beep Playback Switch", "PCBEEP"},
|
|
{"Left HP Mixer", "Voice Playback Switch", "Voice DAC"},
|
|
{"Left HP Mixer", "Aux Playback Switch", "Aux DAC"},
|
|
{"Left HP Mixer", "Bypass Playback Switch", "Left Line In"},
|
|
{"Left HP Mixer", "PCM Playback Switch", "Left DAC"},
|
|
{"Left HP Mixer", "MonoIn Playback Switch", "Mono In"},
|
|
{"Left HP Mixer", NULL, "Capture Headphone Mux"},
|
|
|
|
/* right HP mixer */
|
|
{"Right HP Mixer", "Beep Playback Switch", "PCBEEP"},
|
|
{"Right HP Mixer", "Voice Playback Switch", "Voice DAC"},
|
|
{"Right HP Mixer", "Aux Playback Switch", "Aux DAC"},
|
|
{"Right HP Mixer", "Bypass Playback Switch", "Right Line In"},
|
|
{"Right HP Mixer", "PCM Playback Switch", "Right DAC"},
|
|
{"Right HP Mixer", "MonoIn Playback Switch", "Mono In"},
|
|
{"Right HP Mixer", NULL, "Capture Headphone Mux"},
|
|
|
|
/* virtual mixer - mixes left & right channels for spk and mono */
|
|
{"AC97 Mixer", NULL, "Left DAC"},
|
|
{"AC97 Mixer", NULL, "Right DAC"},
|
|
{"Line Mixer", NULL, "Right Line In"},
|
|
{"Line Mixer", NULL, "Left Line In"},
|
|
{"HP Mixer", NULL, "Left HP Mixer"},
|
|
{"HP Mixer", NULL, "Right HP Mixer"},
|
|
{"Capture Mixer", NULL, "Left Capture Source"},
|
|
{"Capture Mixer", NULL, "Right Capture Source"},
|
|
|
|
/* speaker mixer */
|
|
{"Speaker Mixer", "Beep Playback Switch", "PCBEEP"},
|
|
{"Speaker Mixer", "Voice Playback Switch", "Voice DAC"},
|
|
{"Speaker Mixer", "Aux Playback Switch", "Aux DAC"},
|
|
{"Speaker Mixer", "Bypass Playback Switch", "Line Mixer"},
|
|
{"Speaker Mixer", "PCM Playback Switch", "AC97 Mixer"},
|
|
{"Speaker Mixer", "MonoIn Playback Switch", "Mono In"},
|
|
|
|
/* mono mixer */
|
|
{"Mono Mixer", "Beep Playback Switch", "PCBEEP"},
|
|
{"Mono Mixer", "Voice Playback Switch", "Voice DAC"},
|
|
{"Mono Mixer", "Aux Playback Switch", "Aux DAC"},
|
|
{"Mono Mixer", "Bypass Playback Switch", "Line Mixer"},
|
|
{"Mono Mixer", "PCM Playback Switch", "AC97 Mixer"},
|
|
{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
|
|
{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
|
|
{"Mono Mixer", NULL, "Capture Mono Mux"},
|
|
|
|
/* DAC inv mux 1 */
|
|
{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
|
|
{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
|
|
{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
|
|
{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
|
|
{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
|
|
|
|
/* DAC inv mux 2 */
|
|
{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
|
|
{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
|
|
{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
|
|
{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
|
|
{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
|
|
|
|
/* headphone left mux */
|
|
{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
|
|
|
|
/* headphone right mux */
|
|
{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
|
|
|
|
/* speaker left mux */
|
|
{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
|
|
{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
|
|
{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
|
|
|
|
/* speaker right mux */
|
|
{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
|
|
{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
|
|
{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
|
|
|
|
/* mono mux */
|
|
{"Mono Out Mux", "Mono", "Mono Mixer"},
|
|
{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
|
|
|
|
/* out 3 mux */
|
|
{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
|
|
|
|
/* out 4 mux */
|
|
{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
|
|
|
|
/* output pga */
|
|
{"HPL", NULL, "Left Headphone"},
|
|
{"Left Headphone", NULL, "Left Headphone Out Mux"},
|
|
{"HPR", NULL, "Right Headphone"},
|
|
{"Right Headphone", NULL, "Right Headphone Out Mux"},
|
|
{"OUT3", NULL, "Out 3"},
|
|
{"Out 3", NULL, "Out 3 Mux"},
|
|
{"OUT4", NULL, "Out 4"},
|
|
{"Out 4", NULL, "Out 4 Mux"},
|
|
{"SPKL", NULL, "Left Speaker"},
|
|
{"Left Speaker", NULL, "Left Speaker Out Mux"},
|
|
{"SPKR", NULL, "Right Speaker"},
|
|
{"Right Speaker", NULL, "Right Speaker Out Mux"},
|
|
{"MONO", NULL, "Mono Out"},
|
|
{"Mono Out", NULL, "Mono Out Mux"},
|
|
|
|
/* input pga */
|
|
{"Left Line In", NULL, "LINEL"},
|
|
{"Right Line In", NULL, "LINER"},
|
|
{"Mono In", NULL, "MONOIN"},
|
|
{"Mic A PGA", NULL, "Mic A Pre Amp"},
|
|
{"Mic B PGA", NULL, "Mic B Pre Amp"},
|
|
|
|
/* left capture select */
|
|
{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
|
|
{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
|
|
{"Left Capture Source", "Line", "LINEL"},
|
|
{"Left Capture Source", "Mono In", "MONOIN"},
|
|
{"Left Capture Source", "Headphone", "Left HP Mixer"},
|
|
{"Left Capture Source", "Speaker", "Speaker Mixer"},
|
|
{"Left Capture Source", "Mono Out", "Mono Mixer"},
|
|
|
|
/* right capture select */
|
|
{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
|
|
{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
|
|
{"Right Capture Source", "Line", "LINER"},
|
|
{"Right Capture Source", "Mono In", "MONOIN"},
|
|
{"Right Capture Source", "Headphone", "Right HP Mixer"},
|
|
{"Right Capture Source", "Speaker", "Speaker Mixer"},
|
|
{"Right Capture Source", "Mono Out", "Mono Mixer"},
|
|
|
|
/* left ADC */
|
|
{"Left ADC", NULL, "Left Capture Source"},
|
|
{"Left Voice ADC", NULL, "Left ADC"},
|
|
{"Left HiFi ADC", NULL, "Left ADC"},
|
|
|
|
/* right ADC */
|
|
{"Right ADC", NULL, "Right Capture Source"},
|
|
{"Right Voice ADC", NULL, "Right ADC"},
|
|
{"Right HiFi ADC", NULL, "Right ADC"},
|
|
|
|
/* mic */
|
|
{"Mic A Pre Amp", NULL, "Mic A Source"},
|
|
{"Mic A Source", "Mic 1", "MIC1"},
|
|
{"Mic A Source", "Mic 2 A", "MIC2A"},
|
|
{"Mic A Source", "Mic 2 B", "Mic B Source"},
|
|
{"Mic B Pre Amp", "MPB", "Mic B Source"},
|
|
{"Mic B Source", NULL, "MIC2B"},
|
|
|
|
/* headphone capture */
|
|
{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
|
|
{"Capture Headphone Mux", "Left", "Left Capture Source"},
|
|
{"Capture Headphone Mux", "Right", "Right Capture Source"},
|
|
|
|
/* mono capture */
|
|
{"Capture Mono Mux", "Stereo", "Capture Mixer"},
|
|
{"Capture Mono Mux", "Left", "Left Capture Source"},
|
|
{"Capture Mono Mux", "Right", "Right Capture Source"},
|
|
};
|
|
|
|
static 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 = snd_soc_codec_get_drvdata(codec);
|
|
u16 reg, reg2;
|
|
struct _pll_div pll_div;
|
|
|
|
/* turn PLL off ? */
|
|
if (freq_in == 0) {
|
|
/* disable PLL power and select ext source */
|
|
reg = ac97_read(codec, AC97_HANDSET_RATE);
|
|
ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
|
|
reg = ac97_read(codec, AC97_EXTENDED_MID);
|
|
ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
|
|
wm9713->pll_in = 0;
|
|
return 0;
|
|
}
|
|
|
|
pll_factors(&pll_div, freq_in);
|
|
|
|
if (pll_div.k == 0) {
|
|
reg = (pll_div.n << 12) | (pll_div.lf << 11) |
|
|
(pll_div.divsel << 9) | (pll_div.divctl << 8);
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
} else {
|
|
/* write the fractional k to the reg 0x46 pages */
|
|
reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
|
|
(pll_div.divsel << 9) | (pll_div.divctl << 8);
|
|
|
|
/* K [21:20] */
|
|
reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
|
|
/* K [19:16] */
|
|
reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
|
|
/* K [15:12] */
|
|
reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
|
|
/* K [11:8] */
|
|
reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
|
|
/* K [7:4] */
|
|
reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
|
|
reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg);
|
|
}
|
|
|
|
/* turn PLL on and select as source */
|
|
reg = ac97_read(codec, AC97_EXTENDED_MID);
|
|
ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
|
|
reg = ac97_read(codec, AC97_HANDSET_RATE);
|
|
ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
|
|
wm9713->pll_in = freq_in;
|
|
|
|
/* wait 10ms AC97 link frames for the link to stabilise */
|
|
schedule_timeout_interruptible(msecs_to_jiffies(10));
|
|
return 0;
|
|
}
|
|
|
|
static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
|
|
int source, unsigned int freq_in, unsigned int freq_out)
|
|
{
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
|
|
}
|
|
|
|
/*
|
|
* Tristate the PCM DAI lines, tristate can be disabled by calling
|
|
* wm9713_set_dai_fmt()
|
|
*/
|
|
static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
|
|
int tristate)
|
|
{
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
|
|
|
|
if (tristate)
|
|
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Configure WM9713 clock dividers.
|
|
* Voice DAC needs 256 FS
|
|
*/
|
|
static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
|
|
int div_id, int div)
|
|
{
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
u16 reg;
|
|
|
|
switch (div_id) {
|
|
case WM9713_PCMCLK_DIV:
|
|
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
|
|
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
|
|
break;
|
|
case WM9713_CLKA_MULT:
|
|
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
|
|
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
|
|
break;
|
|
case WM9713_CLKB_MULT:
|
|
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
|
|
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
|
|
break;
|
|
case WM9713_HIFI_DIV:
|
|
reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
|
|
ac97_write(codec, AC97_HANDSET_RATE, reg | div);
|
|
break;
|
|
case WM9713_PCMBCLK_DIV:
|
|
reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
|
|
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
|
|
break;
|
|
case WM9713_PCMCLK_PLL_DIV:
|
|
reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
|
|
break;
|
|
case WM9713_HIFI_PLL_DIV:
|
|
reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
|
|
ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
|
|
unsigned int fmt)
|
|
{
|
|
struct snd_soc_codec *codec = codec_dai->codec;
|
|
u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
|
|
u16 reg = 0x8000;
|
|
|
|
/* clock masters */
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
reg |= 0x4000;
|
|
gpio |= 0x0010;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBM_CFS:
|
|
reg |= 0x6000;
|
|
gpio |= 0x0018;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
reg |= 0x2000;
|
|
gpio |= 0x001a;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFM:
|
|
gpio |= 0x0012;
|
|
break;
|
|
}
|
|
|
|
/* clock inversion */
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_IB_IF:
|
|
reg |= 0x00c0;
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_NF:
|
|
reg |= 0x0080;
|
|
break;
|
|
case SND_SOC_DAIFMT_NB_IF:
|
|
reg |= 0x0040;
|
|
break;
|
|
}
|
|
|
|
/* DAI format */
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
reg |= 0x0002;
|
|
break;
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
|
break;
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
reg |= 0x0001;
|
|
break;
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
reg |= 0x0003;
|
|
break;
|
|
case SND_SOC_DAIFMT_DSP_B:
|
|
reg |= 0x0043;
|
|
break;
|
|
}
|
|
|
|
ac97_write(codec, AC97_GPIO_CFG, gpio);
|
|
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
|
|
return 0;
|
|
}
|
|
|
|
static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
|
|
|
|
switch (params_format(params)) {
|
|
case SNDRV_PCM_FORMAT_S16_LE:
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S20_3LE:
|
|
reg |= 0x0004;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S24_LE:
|
|
reg |= 0x0008;
|
|
break;
|
|
case SNDRV_PCM_FORMAT_S32_LE:
|
|
reg |= 0x000c;
|
|
break;
|
|
}
|
|
|
|
/* enable PCM interface in master mode */
|
|
ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
|
|
return 0;
|
|
}
|
|
|
|
static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
int reg;
|
|
u16 vra;
|
|
|
|
vra = ac97_read(codec, AC97_EXTENDED_STATUS);
|
|
ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
|
|
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
|
|
reg = AC97_PCM_FRONT_DAC_RATE;
|
|
else
|
|
reg = AC97_PCM_LR_ADC_RATE;
|
|
|
|
return ac97_write(codec, reg, runtime->rate);
|
|
}
|
|
|
|
static int ac97_aux_prepare(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_codec *codec = dai->codec;
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
u16 vra, xsle;
|
|
|
|
vra = ac97_read(codec, AC97_EXTENDED_STATUS);
|
|
ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
|
|
xsle = ac97_read(codec, AC97_PCI_SID);
|
|
ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
|
|
|
|
if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
|
|
return -ENODEV;
|
|
|
|
return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
|
|
}
|
|
|
|
#define WM9713_RATES (SNDRV_PCM_RATE_8000 | \
|
|
SNDRV_PCM_RATE_11025 | \
|
|
SNDRV_PCM_RATE_22050 | \
|
|
SNDRV_PCM_RATE_44100 | \
|
|
SNDRV_PCM_RATE_48000)
|
|
|
|
#define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000 | \
|
|
SNDRV_PCM_RATE_11025 | \
|
|
SNDRV_PCM_RATE_16000 | \
|
|
SNDRV_PCM_RATE_22050 | \
|
|
SNDRV_PCM_RATE_44100 | \
|
|
SNDRV_PCM_RATE_48000)
|
|
|
|
#define WM9713_PCM_FORMATS \
|
|
(SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
|
|
SNDRV_PCM_FORMAT_S24_LE)
|
|
|
|
static struct snd_soc_dai_ops wm9713_dai_ops_hifi = {
|
|
.prepare = ac97_hifi_prepare,
|
|
.set_clkdiv = wm9713_set_dai_clkdiv,
|
|
.set_pll = wm9713_set_dai_pll,
|
|
};
|
|
|
|
static struct snd_soc_dai_ops wm9713_dai_ops_aux = {
|
|
.prepare = ac97_aux_prepare,
|
|
.set_clkdiv = wm9713_set_dai_clkdiv,
|
|
.set_pll = wm9713_set_dai_pll,
|
|
};
|
|
|
|
static struct snd_soc_dai_ops wm9713_dai_ops_voice = {
|
|
.hw_params = wm9713_pcm_hw_params,
|
|
.set_clkdiv = wm9713_set_dai_clkdiv,
|
|
.set_pll = wm9713_set_dai_pll,
|
|
.set_fmt = wm9713_set_dai_fmt,
|
|
.set_tristate = wm9713_set_dai_tristate,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver wm9713_dai[] = {
|
|
{
|
|
.name = "wm9713-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 = "wm9713-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,
|
|
},
|
|
};
|
|
|
|
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->dapm.bias_level = level;
|
|
return 0;
|
|
}
|
|
|
|
static int wm9713_soc_suspend(struct snd_soc_codec *codec,
|
|
pm_message_t state)
|
|
{
|
|
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 snd_soc_codec *codec)
|
|
{
|
|
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
|
|
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]);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int wm9713_soc_probe(struct snd_soc_codec *codec)
|
|
{
|
|
struct wm9713_priv *wm9713;
|
|
int ret = 0, reg;
|
|
|
|
wm9713 = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
|
|
if (wm9713 == NULL)
|
|
return -ENOMEM;
|
|
snd_soc_codec_set_drvdata(codec, wm9713);
|
|
|
|
ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
|
|
if (ret < 0)
|
|
goto codec_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));
|
|
|
|
return 0;
|
|
|
|
reset_err:
|
|
snd_soc_free_ac97_codec(codec);
|
|
codec_err:
|
|
kfree(wm9713);
|
|
return ret;
|
|
}
|
|
|
|
static int wm9713_soc_remove(struct snd_soc_codec *codec)
|
|
{
|
|
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
|
|
snd_soc_free_ac97_codec(codec);
|
|
kfree(wm9713);
|
|
return 0;
|
|
}
|
|
|
|
static struct snd_soc_codec_driver soc_codec_dev_wm9713 = {
|
|
.probe = wm9713_soc_probe,
|
|
.remove = wm9713_soc_remove,
|
|
.suspend = wm9713_soc_suspend,
|
|
.resume = wm9713_soc_resume,
|
|
.read = ac97_read,
|
|
.write = ac97_write,
|
|
.set_bias_level = wm9713_set_bias_level,
|
|
.reg_cache_size = ARRAY_SIZE(wm9713_reg),
|
|
.reg_word_size = sizeof(u16),
|
|
.reg_cache_step = 2,
|
|
.reg_cache_default = wm9713_reg,
|
|
.dapm_widgets = wm9713_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(wm9713_dapm_widgets),
|
|
.dapm_routes = wm9713_audio_map,
|
|
.num_dapm_routes = ARRAY_SIZE(wm9713_audio_map),
|
|
};
|
|
|
|
static __devinit int wm9713_probe(struct platform_device *pdev)
|
|
{
|
|
return snd_soc_register_codec(&pdev->dev,
|
|
&soc_codec_dev_wm9713, wm9713_dai, ARRAY_SIZE(wm9713_dai));
|
|
}
|
|
|
|
static int __devexit wm9713_remove(struct platform_device *pdev)
|
|
{
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver wm9713_codec_driver = {
|
|
.driver = {
|
|
.name = "wm9713-codec",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
|
|
.probe = wm9713_probe,
|
|
.remove = __devexit_p(wm9713_remove),
|
|
};
|
|
|
|
static int __init wm9713_init(void)
|
|
{
|
|
return platform_driver_register(&wm9713_codec_driver);
|
|
}
|
|
module_init(wm9713_init);
|
|
|
|
static void __exit wm9713_exit(void)
|
|
{
|
|
platform_driver_unregister(&wm9713_codec_driver);
|
|
}
|
|
module_exit(wm9713_exit);
|
|
|
|
MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
|
|
MODULE_AUTHOR("Liam Girdwood");
|
|
MODULE_LICENSE("GPL");
|