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wm8350.c
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/*
* wm8350.c -- WM8350 ALSA SoC audio driver
*
* Copyright (C) 2007, 2008 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 version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/mfd/wm8350/audio.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/regulator/consumer.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "wm8350.h"
#define WM8350_OUTn_0dB 0x39
#define WM8350_RAMP_NONE 0
#define WM8350_RAMP_UP 1
#define WM8350_RAMP_DOWN 2
/* We only include the analogue supplies here; the digital supplies
* need to be available well before this driver can be probed.
*/
static const char *supply_names[] = {
"AVDD",
"HPVDD",
};
struct wm8350_output {
u16 active;
u16 left_vol;
u16 right_vol;
u16 ramp;
u16 mute;
};
struct wm8350_jack_data {
struct snd_soc_jack *jack;
int report;
int short_report;
};
struct wm8350_data {
struct snd_soc_codec codec;
struct wm8350_output out1;
struct wm8350_output out2;
struct wm8350_jack_data hpl;
struct wm8350_jack_data hpr;
struct wm8350_jack_data mic;
struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
int fll_freq_out;
int fll_freq_in;
};
static unsigned int wm8350_codec_cache_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct wm8350 *wm8350 = codec->control_data;
return wm8350->reg_cache[reg];
}
static unsigned int wm8350_codec_read(struct snd_soc_codec *codec,
unsigned int reg)
{
struct wm8350 *wm8350 = codec->control_data;
return wm8350_reg_read(wm8350, reg);
}
static int wm8350_codec_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
struct wm8350 *wm8350 = codec->control_data;
return wm8350_reg_write(wm8350, reg, value);
}
/*
* Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
*/
static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
{
struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out1 = &wm8350_data->out1;
struct wm8350 *wm8350 = codec->control_data;
int left_complete = 0, right_complete = 0;
u16 reg, val;
/* left channel */
reg = wm8350_reg_read(wm8350, WM8350_LOUT1_VOLUME);
val = (reg & WM8350_OUT1L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
if (out1->ramp == WM8350_RAMP_UP) {
/* ramp step up */
if (val < out1->left_vol) {
val++;
reg &= ~WM8350_OUT1L_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
reg | (val << WM8350_OUT1L_VOL_SHIFT));
} else
left_complete = 1;
} else if (out1->ramp == WM8350_RAMP_DOWN) {
/* ramp step down */
if (val > 0) {
val--;
reg &= ~WM8350_OUT1L_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_LOUT1_VOLUME,
reg | (val << WM8350_OUT1L_VOL_SHIFT));
} else
left_complete = 1;
} else
return 1;
/* right channel */
reg = wm8350_reg_read(wm8350, WM8350_ROUT1_VOLUME);
val = (reg & WM8350_OUT1R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
if (out1->ramp == WM8350_RAMP_UP) {
/* ramp step up */
if (val < out1->right_vol) {
val++;
reg &= ~WM8350_OUT1R_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
reg | (val << WM8350_OUT1R_VOL_SHIFT));
} else
right_complete = 1;
} else if (out1->ramp == WM8350_RAMP_DOWN) {
/* ramp step down */
if (val > 0) {
val--;
reg &= ~WM8350_OUT1R_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_ROUT1_VOLUME,
reg | (val << WM8350_OUT1R_VOL_SHIFT));
} else
right_complete = 1;
}
/* only hit the update bit if either volume has changed this step */
if (!left_complete || !right_complete)
wm8350_set_bits(wm8350, WM8350_LOUT1_VOLUME, WM8350_OUT1_VU);
return left_complete & right_complete;
}
/*
* Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
*/
static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
{
struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out2 = &wm8350_data->out2;
struct wm8350 *wm8350 = codec->control_data;
int left_complete = 0, right_complete = 0;
u16 reg, val;
/* left channel */
reg = wm8350_reg_read(wm8350, WM8350_LOUT2_VOLUME);
val = (reg & WM8350_OUT2L_VOL_MASK) >> WM8350_OUT1L_VOL_SHIFT;
if (out2->ramp == WM8350_RAMP_UP) {
/* ramp step up */
if (val < out2->left_vol) {
val++;
reg &= ~WM8350_OUT2L_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
reg | (val << WM8350_OUT1L_VOL_SHIFT));
} else
left_complete = 1;
} else if (out2->ramp == WM8350_RAMP_DOWN) {
/* ramp step down */
if (val > 0) {
val--;
reg &= ~WM8350_OUT2L_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_LOUT2_VOLUME,
reg | (val << WM8350_OUT1L_VOL_SHIFT));
} else
left_complete = 1;
} else
return 1;
/* right channel */
reg = wm8350_reg_read(wm8350, WM8350_ROUT2_VOLUME);
val = (reg & WM8350_OUT2R_VOL_MASK) >> WM8350_OUT1R_VOL_SHIFT;
if (out2->ramp == WM8350_RAMP_UP) {
/* ramp step up */
if (val < out2->right_vol) {
val++;
reg &= ~WM8350_OUT2R_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
reg | (val << WM8350_OUT1R_VOL_SHIFT));
} else
right_complete = 1;
} else if (out2->ramp == WM8350_RAMP_DOWN) {
/* ramp step down */
if (val > 0) {
val--;
reg &= ~WM8350_OUT2R_VOL_MASK;
wm8350_reg_write(wm8350, WM8350_ROUT2_VOLUME,
reg | (val << WM8350_OUT1R_VOL_SHIFT));
} else
right_complete = 1;
}
/* only hit the update bit if either volume has changed this step */
if (!left_complete || !right_complete)
wm8350_set_bits(wm8350, WM8350_LOUT2_VOLUME, WM8350_OUT2_VU);
return left_complete & right_complete;
}
/*
* This work ramps both output PGAs at stream start/stop time to
* minimise pop associated with DAPM power switching.
* It's best to enable Zero Cross when ramping occurs to minimise any
* zipper noises.
*/
static void wm8350_pga_work(struct work_struct *work)
{
struct snd_soc_codec *codec =
container_of(work, struct snd_soc_codec, delayed_work.work);
struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out1 = &wm8350_data->out1,
*out2 = &wm8350_data->out2;
int i, out1_complete, out2_complete;
/* do we need to ramp at all ? */
if (out1->ramp == WM8350_RAMP_NONE && out2->ramp == WM8350_RAMP_NONE)
return;
/* PGA volumes have 6 bits of resolution to ramp */
for (i = 0; i <= 63; i++) {
out1_complete = 1, out2_complete = 1;
if (out1->ramp != WM8350_RAMP_NONE)
out1_complete = wm8350_out1_ramp_step(codec);
if (out2->ramp != WM8350_RAMP_NONE)
out2_complete = wm8350_out2_ramp_step(codec);
/* ramp finished ? */
if (out1_complete && out2_complete)
break;
/* we need to delay longer on the up ramp */
if (out1->ramp == WM8350_RAMP_UP ||
out2->ramp == WM8350_RAMP_UP) {
/* delay is longer over 0dB as increases are larger */
if (i >= WM8350_OUTn_0dB)
schedule_timeout_interruptible(msecs_to_jiffies
(2));
else
schedule_timeout_interruptible(msecs_to_jiffies
(1));
} else
udelay(50); /* doesn't matter if we delay longer */
}
out1->ramp = WM8350_RAMP_NONE;
out2->ramp = WM8350_RAMP_NONE;
}
/*
* WM8350 Controls
*/
static int pga_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out;
switch (w->shift) {
case 0:
case 1:
out = &wm8350_data->out1;
break;
case 2:
case 3:
out = &wm8350_data->out2;
break;
default:
BUG();
return -1;
}
switch (event) {
case SND_SOC_DAPM_POST_PMU:
out->ramp = WM8350_RAMP_UP;
out->active = 1;
if (!delayed_work_pending(&codec->delayed_work))
schedule_delayed_work(&codec->delayed_work,
msecs_to_jiffies(1));
break;
case SND_SOC_DAPM_PRE_PMD:
out->ramp = WM8350_RAMP_DOWN;
out->active = 0;
if (!delayed_work_pending(&codec->delayed_work))
schedule_delayed_work(&codec->delayed_work,
msecs_to_jiffies(1));
break;
}
return 0;
}
static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out = NULL;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int ret;
unsigned int reg = mc->reg;
u16 val;
/* For OUT1 and OUT2 we shadow the values and only actually write
* them out when active in order to ensure the amplifier comes on
* as quietly as possible. */
switch (reg) {
case WM8350_LOUT1_VOLUME:
out = &wm8350_priv->out1;
break;
case WM8350_LOUT2_VOLUME:
out = &wm8350_priv->out2;
break;
default:
break;
}
if (out) {
out->left_vol = ucontrol->value.integer.value[0];
out->right_vol = ucontrol->value.integer.value[1];
if (!out->active)
return 1;
}
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
if (ret < 0)
return ret;
/* now hit the volume update bits (always bit 8) */
val = wm8350_codec_read(codec, reg);
wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
return 1;
}
static int wm8350_get_volsw_2r(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8350_data *wm8350_priv = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out1 = &wm8350_priv->out1;
struct wm8350_output *out2 = &wm8350_priv->out2;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
unsigned int reg = mc->reg;
/* If these are cached registers use the cache */
switch (reg) {
case WM8350_LOUT1_VOLUME:
ucontrol->value.integer.value[0] = out1->left_vol;
ucontrol->value.integer.value[1] = out1->right_vol;
return 0;
case WM8350_LOUT2_VOLUME:
ucontrol->value.integer.value[0] = out2->left_vol;
ucontrol->value.integer.value[1] = out2->right_vol;
return 0;
default:
break;
}
return snd_soc_get_volsw_2r(kcontrol, ucontrol);
}
/* double control with volume update */
#define SOC_WM8350_DOUBLE_R_TLV(xname, reg_left, reg_right, xshift, xmax, \
xinvert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
SNDRV_CTL_ELEM_ACCESS_READWRITE | \
SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
.tlv.p = (tlv_array), \
.info = snd_soc_info_volsw_2r, \
.get = wm8350_get_volsw_2r, .put = wm8350_put_volsw_2r_vu, \
.private_value = (unsigned long)&(struct soc_mixer_control) \
{.reg = reg_left, .rreg = reg_right, .shift = xshift, \
.rshift = xshift, .max = xmax, .invert = xinvert}, }
static const char *wm8350_deemp[] = { "None", "32kHz", "44.1kHz", "48kHz" };
static const char *wm8350_pol[] = { "Normal", "Inv R", "Inv L", "Inv L & R" };
static const char *wm8350_dacmutem[] = { "Normal", "Soft" };
static const char *wm8350_dacmutes[] = { "Fast", "Slow" };
static const char *wm8350_adcfilter[] = { "None", "High Pass" };
static const char *wm8350_adchp[] = { "44.1kHz", "8kHz", "16kHz", "32kHz" };
static const char *wm8350_lr[] = { "Left", "Right" };
static const struct soc_enum wm8350_enum[] = {
SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 4, 4, wm8350_deemp),
SOC_ENUM_SINGLE(WM8350_DAC_CONTROL, 0, 4, wm8350_pol),
SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 14, 2, wm8350_dacmutem),
SOC_ENUM_SINGLE(WM8350_DAC_MUTE_VOLUME, 13, 2, wm8350_dacmutes),
SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 15, 2, wm8350_adcfilter),
SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 8, 4, wm8350_adchp),
SOC_ENUM_SINGLE(WM8350_ADC_CONTROL, 0, 4, wm8350_pol),
SOC_ENUM_SINGLE(WM8350_INPUT_MIXER_VOLUME, 15, 2, wm8350_lr),
};
static DECLARE_TLV_DB_SCALE(pre_amp_tlv, -1200, 3525, 0);
static DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 600, 0);
static DECLARE_TLV_DB_SCALE(dac_pcm_tlv, -7163, 36, 1);
static DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -12700, 50, 1);
static DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 1);
static const unsigned int capture_sd_tlv[] = {
TLV_DB_RANGE_HEAD(2),
0, 12, TLV_DB_SCALE_ITEM(-3600, 300, 1),
13, 15, TLV_DB_SCALE_ITEM(0, 0, 0),
};
static const struct snd_kcontrol_new wm8350_snd_controls[] = {
SOC_ENUM("Playback Deemphasis", wm8350_enum[0]),
SOC_ENUM("Playback DAC Inversion", wm8350_enum[1]),
SOC_WM8350_DOUBLE_R_TLV("Playback PCM Volume",
WM8350_DAC_DIGITAL_VOLUME_L,
WM8350_DAC_DIGITAL_VOLUME_R,
0, 255, 0, dac_pcm_tlv),
SOC_ENUM("Playback PCM Mute Function", wm8350_enum[2]),
SOC_ENUM("Playback PCM Mute Speed", wm8350_enum[3]),
SOC_ENUM("Capture PCM Filter", wm8350_enum[4]),
SOC_ENUM("Capture PCM HP Filter", wm8350_enum[5]),
SOC_ENUM("Capture ADC Inversion", wm8350_enum[6]),
SOC_WM8350_DOUBLE_R_TLV("Capture PCM Volume",
WM8350_ADC_DIGITAL_VOLUME_L,
WM8350_ADC_DIGITAL_VOLUME_R,
0, 255, 0, adc_pcm_tlv),
SOC_DOUBLE_TLV("Capture Sidetone Volume",
WM8350_ADC_DIVIDER,
8, 4, 15, 1, capture_sd_tlv),
SOC_WM8350_DOUBLE_R_TLV("Capture Volume",
WM8350_LEFT_INPUT_VOLUME,
WM8350_RIGHT_INPUT_VOLUME,
2, 63, 0, pre_amp_tlv),
SOC_DOUBLE_R("Capture ZC Switch",
WM8350_LEFT_INPUT_VOLUME,
WM8350_RIGHT_INPUT_VOLUME, 13, 1, 0),
SOC_SINGLE_TLV("Left Input Left Sidetone Volume",
WM8350_OUTPUT_LEFT_MIXER_VOLUME, 1, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("Left Input Right Sidetone Volume",
WM8350_OUTPUT_LEFT_MIXER_VOLUME,
5, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("Left Input Bypass Volume",
WM8350_OUTPUT_LEFT_MIXER_VOLUME,
9, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("Right Input Left Sidetone Volume",
WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
1, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("Right Input Right Sidetone Volume",
WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
5, 7, 0, out_mix_tlv),
SOC_SINGLE_TLV("Right Input Bypass Volume",
WM8350_OUTPUT_RIGHT_MIXER_VOLUME,
13, 7, 0, out_mix_tlv),
SOC_SINGLE("Left Input Mixer +20dB Switch",
WM8350_INPUT_MIXER_VOLUME_L, 0, 1, 0),
SOC_SINGLE("Right Input Mixer +20dB Switch",
WM8350_INPUT_MIXER_VOLUME_R, 0, 1, 0),
SOC_SINGLE_TLV("Out4 Capture Volume",
WM8350_INPUT_MIXER_VOLUME,
1, 7, 0, out_mix_tlv),
SOC_WM8350_DOUBLE_R_TLV("Out1 Playback Volume",
WM8350_LOUT1_VOLUME,
WM8350_ROUT1_VOLUME,
2, 63, 0, out_pga_tlv),
SOC_DOUBLE_R("Out1 Playback ZC Switch",
WM8350_LOUT1_VOLUME,
WM8350_ROUT1_VOLUME, 13, 1, 0),
SOC_WM8350_DOUBLE_R_TLV("Out2 Playback Volume",
WM8350_LOUT2_VOLUME,
WM8350_ROUT2_VOLUME,
2, 63, 0, out_pga_tlv),
SOC_DOUBLE_R("Out2 Playback ZC Switch", WM8350_LOUT2_VOLUME,
WM8350_ROUT2_VOLUME, 13, 1, 0),
SOC_SINGLE("Out2 Right Invert Switch", WM8350_ROUT2_VOLUME, 10, 1, 0),
SOC_SINGLE_TLV("Out2 Beep Volume", WM8350_BEEP_VOLUME,
5, 7, 0, out_mix_tlv),
SOC_DOUBLE_R("Out1 Playback Switch",
WM8350_LOUT1_VOLUME,
WM8350_ROUT1_VOLUME,
14, 1, 1),
SOC_DOUBLE_R("Out2 Playback Switch",
WM8350_LOUT2_VOLUME,
WM8350_ROUT2_VOLUME,
14, 1, 1),
};
/*
* DAPM Controls
*/
/* Left Playback Mixer */
static const struct snd_kcontrol_new wm8350_left_play_mixer_controls[] = {
SOC_DAPM_SINGLE("Playback Switch",
WM8350_LEFT_MIXER_CONTROL, 11, 1, 0),
SOC_DAPM_SINGLE("Left Bypass Switch",
WM8350_LEFT_MIXER_CONTROL, 2, 1, 0),
SOC_DAPM_SINGLE("Right Playback Switch",
WM8350_LEFT_MIXER_CONTROL, 12, 1, 0),
SOC_DAPM_SINGLE("Left Sidetone Switch",
WM8350_LEFT_MIXER_CONTROL, 0, 1, 0),
SOC_DAPM_SINGLE("Right Sidetone Switch",
WM8350_LEFT_MIXER_CONTROL, 1, 1, 0),
};
/* Right Playback Mixer */
static const struct snd_kcontrol_new wm8350_right_play_mixer_controls[] = {
SOC_DAPM_SINGLE("Playback Switch",
WM8350_RIGHT_MIXER_CONTROL, 12, 1, 0),
SOC_DAPM_SINGLE("Right Bypass Switch",
WM8350_RIGHT_MIXER_CONTROL, 3, 1, 0),
SOC_DAPM_SINGLE("Left Playback Switch",
WM8350_RIGHT_MIXER_CONTROL, 11, 1, 0),
SOC_DAPM_SINGLE("Left Sidetone Switch",
WM8350_RIGHT_MIXER_CONTROL, 0, 1, 0),
SOC_DAPM_SINGLE("Right Sidetone Switch",
WM8350_RIGHT_MIXER_CONTROL, 1, 1, 0),
};
/* Out4 Mixer */
static const struct snd_kcontrol_new wm8350_out4_mixer_controls[] = {
SOC_DAPM_SINGLE("Right Playback Switch",
WM8350_OUT4_MIXER_CONTROL, 12, 1, 0),
SOC_DAPM_SINGLE("Left Playback Switch",
WM8350_OUT4_MIXER_CONTROL, 11, 1, 0),
SOC_DAPM_SINGLE("Right Capture Switch",
WM8350_OUT4_MIXER_CONTROL, 9, 1, 0),
SOC_DAPM_SINGLE("Out3 Playback Switch",
WM8350_OUT4_MIXER_CONTROL, 2, 1, 0),
SOC_DAPM_SINGLE("Right Mixer Switch",
WM8350_OUT4_MIXER_CONTROL, 1, 1, 0),
SOC_DAPM_SINGLE("Left Mixer Switch",
WM8350_OUT4_MIXER_CONTROL, 0, 1, 0),
};
/* Out3 Mixer */
static const struct snd_kcontrol_new wm8350_out3_mixer_controls[] = {
SOC_DAPM_SINGLE("Left Playback Switch",
WM8350_OUT3_MIXER_CONTROL, 11, 1, 0),
SOC_DAPM_SINGLE("Left Capture Switch",
WM8350_OUT3_MIXER_CONTROL, 8, 1, 0),
SOC_DAPM_SINGLE("Out4 Playback Switch",
WM8350_OUT3_MIXER_CONTROL, 3, 1, 0),
SOC_DAPM_SINGLE("Left Mixer Switch",
WM8350_OUT3_MIXER_CONTROL, 0, 1, 0),
};
/* Left Input Mixer */
static const struct snd_kcontrol_new wm8350_left_capt_mixer_controls[] = {
SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
WM8350_INPUT_MIXER_VOLUME_L, 1, 7, 0, out_mix_tlv),
SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
WM8350_INPUT_MIXER_VOLUME_L, 9, 7, 0, out_mix_tlv),
SOC_DAPM_SINGLE("PGA Capture Switch",
WM8350_LEFT_INPUT_VOLUME, 14, 1, 1),
};
/* Right Input Mixer */
static const struct snd_kcontrol_new wm8350_right_capt_mixer_controls[] = {
SOC_DAPM_SINGLE_TLV("L2 Capture Volume",
WM8350_INPUT_MIXER_VOLUME_R, 5, 7, 0, out_mix_tlv),
SOC_DAPM_SINGLE_TLV("L3 Capture Volume",
WM8350_INPUT_MIXER_VOLUME_R, 13, 7, 0, out_mix_tlv),
SOC_DAPM_SINGLE("PGA Capture Switch",
WM8350_RIGHT_INPUT_VOLUME, 14, 1, 1),
};
/* Left Mic Mixer */
static const struct snd_kcontrol_new wm8350_left_mic_mixer_controls[] = {
SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 1, 1, 0),
SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 0, 1, 0),
SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 2, 1, 0),
};
/* Right Mic Mixer */
static const struct snd_kcontrol_new wm8350_right_mic_mixer_controls[] = {
SOC_DAPM_SINGLE("INN Capture Switch", WM8350_INPUT_CONTROL, 9, 1, 0),
SOC_DAPM_SINGLE("INP Capture Switch", WM8350_INPUT_CONTROL, 8, 1, 0),
SOC_DAPM_SINGLE("IN2 Capture Switch", WM8350_INPUT_CONTROL, 10, 1, 0),
};
/* Beep Switch */
static const struct snd_kcontrol_new wm8350_beep_switch_controls =
SOC_DAPM_SINGLE("Switch", WM8350_BEEP_VOLUME, 15, 1, 1);
/* Out4 Capture Mux */
static const struct snd_kcontrol_new wm8350_out4_capture_controls =
SOC_DAPM_ENUM("Route", wm8350_enum[7]);
static const struct snd_soc_dapm_widget wm8350_dapm_widgets[] = {
SND_SOC_DAPM_PGA("IN3R PGA", WM8350_POWER_MGMT_2, 11, 0, NULL, 0),
SND_SOC_DAPM_PGA("IN3L PGA", WM8350_POWER_MGMT_2, 10, 0, NULL, 0),
SND_SOC_DAPM_PGA_E("Right Out2 PGA", WM8350_POWER_MGMT_3, 3, 0, NULL,
0, pga_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Left Out2 PGA", WM8350_POWER_MGMT_3, 2, 0, NULL, 0,
pga_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Right Out1 PGA", WM8350_POWER_MGMT_3, 1, 0, NULL,
0, pga_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_PGA_E("Left Out1 PGA", WM8350_POWER_MGMT_3, 0, 0, NULL, 0,
pga_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MIXER("Right Capture Mixer", WM8350_POWER_MGMT_2,
7, 0, &wm8350_right_capt_mixer_controls[0],
ARRAY_SIZE(wm8350_right_capt_mixer_controls)),
SND_SOC_DAPM_MIXER("Left Capture Mixer", WM8350_POWER_MGMT_2,
6, 0, &wm8350_left_capt_mixer_controls[0],
ARRAY_SIZE(wm8350_left_capt_mixer_controls)),
SND_SOC_DAPM_MIXER("Out4 Mixer", WM8350_POWER_MGMT_2, 5, 0,
&wm8350_out4_mixer_controls[0],
ARRAY_SIZE(wm8350_out4_mixer_controls)),
SND_SOC_DAPM_MIXER("Out3 Mixer", WM8350_POWER_MGMT_2, 4, 0,
&wm8350_out3_mixer_controls[0],
ARRAY_SIZE(wm8350_out3_mixer_controls)),
SND_SOC_DAPM_MIXER("Right Playback Mixer", WM8350_POWER_MGMT_2, 1, 0,
&wm8350_right_play_mixer_controls[0],
ARRAY_SIZE(wm8350_right_play_mixer_controls)),
SND_SOC_DAPM_MIXER("Left Playback Mixer", WM8350_POWER_MGMT_2, 0, 0,
&wm8350_left_play_mixer_controls[0],
ARRAY_SIZE(wm8350_left_play_mixer_controls)),
SND_SOC_DAPM_MIXER("Left Mic Mixer", WM8350_POWER_MGMT_2, 8, 0,
&wm8350_left_mic_mixer_controls[0],
ARRAY_SIZE(wm8350_left_mic_mixer_controls)),
SND_SOC_DAPM_MIXER("Right Mic Mixer", WM8350_POWER_MGMT_2, 9, 0,
&wm8350_right_mic_mixer_controls[0],
ARRAY_SIZE(wm8350_right_mic_mixer_controls)),
/* virtual mixer for Beep and Out2R */
SND_SOC_DAPM_MIXER("Out2 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_SWITCH("Beep", WM8350_POWER_MGMT_3, 7, 0,
&wm8350_beep_switch_controls),
SND_SOC_DAPM_ADC("Right ADC", "Right Capture",
WM8350_POWER_MGMT_4, 3, 0),
SND_SOC_DAPM_ADC("Left ADC", "Left Capture",
WM8350_POWER_MGMT_4, 2, 0),
SND_SOC_DAPM_DAC("Right DAC", "Right Playback",
WM8350_POWER_MGMT_4, 5, 0),
SND_SOC_DAPM_DAC("Left DAC", "Left Playback",
WM8350_POWER_MGMT_4, 4, 0),
SND_SOC_DAPM_MICBIAS("Mic Bias", WM8350_POWER_MGMT_1, 4, 0),
SND_SOC_DAPM_MUX("Out4 Capture Channel", SND_SOC_NOPM, 0, 0,
&wm8350_out4_capture_controls),
SND_SOC_DAPM_OUTPUT("OUT1R"),
SND_SOC_DAPM_OUTPUT("OUT1L"),
SND_SOC_DAPM_OUTPUT("OUT2R"),
SND_SOC_DAPM_OUTPUT("OUT2L"),
SND_SOC_DAPM_OUTPUT("OUT3"),
SND_SOC_DAPM_OUTPUT("OUT4"),
SND_SOC_DAPM_INPUT("IN1RN"),
SND_SOC_DAPM_INPUT("IN1RP"),
SND_SOC_DAPM_INPUT("IN2R"),
SND_SOC_DAPM_INPUT("IN1LP"),
SND_SOC_DAPM_INPUT("IN1LN"),
SND_SOC_DAPM_INPUT("IN2L"),
SND_SOC_DAPM_INPUT("IN3R"),
SND_SOC_DAPM_INPUT("IN3L"),
};
static const struct snd_soc_dapm_route audio_map[] = {
/* left playback mixer */
{"Left Playback Mixer", "Playback Switch", "Left DAC"},
{"Left Playback Mixer", "Left Bypass Switch", "IN3L PGA"},
{"Left Playback Mixer", "Right Playback Switch", "Right DAC"},
{"Left Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
{"Left Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
/* right playback mixer */
{"Right Playback Mixer", "Playback Switch", "Right DAC"},
{"Right Playback Mixer", "Right Bypass Switch", "IN3R PGA"},
{"Right Playback Mixer", "Left Playback Switch", "Left DAC"},
{"Right Playback Mixer", "Left Sidetone Switch", "Left Mic Mixer"},
{"Right Playback Mixer", "Right Sidetone Switch", "Right Mic Mixer"},
/* out4 playback mixer */
{"Out4 Mixer", "Right Playback Switch", "Right DAC"},
{"Out4 Mixer", "Left Playback Switch", "Left DAC"},
{"Out4 Mixer", "Right Capture Switch", "Right Capture Mixer"},
{"Out4 Mixer", "Out3 Playback Switch", "Out3 Mixer"},
{"Out4 Mixer", "Right Mixer Switch", "Right Playback Mixer"},
{"Out4 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
{"OUT4", NULL, "Out4 Mixer"},
/* out3 playback mixer */
{"Out3 Mixer", "Left Playback Switch", "Left DAC"},
{"Out3 Mixer", "Left Capture Switch", "Left Capture Mixer"},
{"Out3 Mixer", "Left Mixer Switch", "Left Playback Mixer"},
{"Out3 Mixer", "Out4 Playback Switch", "Out4 Mixer"},
{"OUT3", NULL, "Out3 Mixer"},
/* out2 */
{"Right Out2 PGA", NULL, "Right Playback Mixer"},
{"Left Out2 PGA", NULL, "Left Playback Mixer"},
{"OUT2L", NULL, "Left Out2 PGA"},
{"OUT2R", NULL, "Right Out2 PGA"},
/* out1 */
{"Right Out1 PGA", NULL, "Right Playback Mixer"},
{"Left Out1 PGA", NULL, "Left Playback Mixer"},
{"OUT1L", NULL, "Left Out1 PGA"},
{"OUT1R", NULL, "Right Out1 PGA"},
/* ADCs */
{"Left ADC", NULL, "Left Capture Mixer"},
{"Right ADC", NULL, "Right Capture Mixer"},
/* Left capture mixer */
{"Left Capture Mixer", "L2 Capture Volume", "IN2L"},
{"Left Capture Mixer", "L3 Capture Volume", "IN3L PGA"},
{"Left Capture Mixer", "PGA Capture Switch", "Left Mic Mixer"},
{"Left Capture Mixer", NULL, "Out4 Capture Channel"},
/* Right capture mixer */
{"Right Capture Mixer", "L2 Capture Volume", "IN2R"},
{"Right Capture Mixer", "L3 Capture Volume", "IN3R PGA"},
{"Right Capture Mixer", "PGA Capture Switch", "Right Mic Mixer"},
{"Right Capture Mixer", NULL, "Out4 Capture Channel"},
/* L3 Inputs */
{"IN3L PGA", NULL, "IN3L"},
{"IN3R PGA", NULL, "IN3R"},
/* Left Mic mixer */
{"Left Mic Mixer", "INN Capture Switch", "IN1LN"},
{"Left Mic Mixer", "INP Capture Switch", "IN1LP"},
{"Left Mic Mixer", "IN2 Capture Switch", "IN2L"},
/* Right Mic mixer */
{"Right Mic Mixer", "INN Capture Switch", "IN1RN"},
{"Right Mic Mixer", "INP Capture Switch", "IN1RP"},
{"Right Mic Mixer", "IN2 Capture Switch", "IN2R"},
/* out 4 capture */
{"Out4 Capture Channel", NULL, "Out4 Mixer"},
/* Beep */
{"Beep", NULL, "IN3R PGA"},
};
static int wm8350_add_widgets(struct snd_soc_codec *codec)
{
int ret;
ret = snd_soc_dapm_new_controls(codec,
wm8350_dapm_widgets,
ARRAY_SIZE(wm8350_dapm_widgets));
if (ret != 0) {
dev_err(codec->dev, "dapm control register failed\n");
return ret;
}
/* set up audio paths */
ret = snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
if (ret != 0) {
dev_err(codec->dev, "DAPM route register failed\n");
return ret;
}
return 0;
}
static int wm8350_set_dai_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8350 *wm8350 = codec->control_data;
u16 fll_4;
switch (clk_id) {
case WM8350_MCLK_SEL_MCLK:
wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_1,
WM8350_MCLK_SEL);
break;
case WM8350_MCLK_SEL_PLL_MCLK:
case WM8350_MCLK_SEL_PLL_DAC:
case WM8350_MCLK_SEL_PLL_ADC:
case WM8350_MCLK_SEL_PLL_32K:
wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_1,
WM8350_MCLK_SEL);
fll_4 = wm8350_codec_read(codec, WM8350_FLL_CONTROL_4) &
~WM8350_FLL_CLK_SRC_MASK;
wm8350_codec_write(codec, WM8350_FLL_CONTROL_4, fll_4 | clk_id);
break;
}
/* MCLK direction */
if (dir == WM8350_MCLK_DIR_OUT)
wm8350_set_bits(wm8350, WM8350_CLOCK_CONTROL_2,
WM8350_MCLK_DIR);
else
wm8350_clear_bits(wm8350, WM8350_CLOCK_CONTROL_2,
WM8350_MCLK_DIR);
return 0;
}
static int wm8350_set_clkdiv(struct snd_soc_dai *codec_dai, int div_id, int div)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 val;
switch (div_id) {
case WM8350_ADC_CLKDIV:
val = wm8350_codec_read(codec, WM8350_ADC_DIVIDER) &
~WM8350_ADC_CLKDIV_MASK;
wm8350_codec_write(codec, WM8350_ADC_DIVIDER, val | div);
break;
case WM8350_DAC_CLKDIV:
val = wm8350_codec_read(codec, WM8350_DAC_CLOCK_CONTROL) &
~WM8350_DAC_CLKDIV_MASK;
wm8350_codec_write(codec, WM8350_DAC_CLOCK_CONTROL, val | div);
break;
case WM8350_BCLK_CLKDIV:
val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
~WM8350_BCLK_DIV_MASK;
wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
break;
case WM8350_OPCLK_CLKDIV:
val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
~WM8350_OPCLK_DIV_MASK;
wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
break;
case WM8350_SYS_CLKDIV:
val = wm8350_codec_read(codec, WM8350_CLOCK_CONTROL_1) &
~WM8350_MCLK_DIV_MASK;
wm8350_codec_write(codec, WM8350_CLOCK_CONTROL_1, val | div);
break;
case WM8350_DACLR_CLKDIV:
val = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
~WM8350_DACLRC_RATE_MASK;
wm8350_codec_write(codec, WM8350_DAC_LR_RATE, val | div);
break;
case WM8350_ADCLR_CLKDIV:
val = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
~WM8350_ADCLRC_RATE_MASK;
wm8350_codec_write(codec, WM8350_ADC_LR_RATE, val | div);
break;
default:
return -EINVAL;
}
return 0;
}
static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
~(WM8350_AIF_BCLK_INV | WM8350_AIF_LRCLK_INV | WM8350_AIF_FMT_MASK);
u16 master = wm8350_codec_read(codec, WM8350_AI_DAC_CONTROL) &
~WM8350_BCLK_MSTR;
u16 dac_lrc = wm8350_codec_read(codec, WM8350_DAC_LR_RATE) &
~WM8350_DACLRC_ENA;
u16 adc_lrc = wm8350_codec_read(codec, WM8350_ADC_LR_RATE) &
~WM8350_ADCLRC_ENA;
/* set master/slave audio interface */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
master |= WM8350_BCLK_MSTR;
dac_lrc |= WM8350_DACLRC_ENA;
adc_lrc |= WM8350_ADCLRC_ENA;
break;
case SND_SOC_DAIFMT_CBS_CFS:
break;
default:
return -EINVAL;
}
/* interface format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
iface |= 0x2 << 8;
break;
case SND_SOC_DAIFMT_RIGHT_J:
break;
case SND_SOC_DAIFMT_LEFT_J:
iface |= 0x1 << 8;
break;
case SND_SOC_DAIFMT_DSP_A:
iface |= 0x3 << 8;
break;
case SND_SOC_DAIFMT_DSP_B:
iface |= 0x3 << 8 | WM8350_AIF_LRCLK_INV;
break;
default:
return -EINVAL;
}
/* clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_IF:
iface |= WM8350_AIF_LRCLK_INV | WM8350_AIF_BCLK_INV;
break;
case SND_SOC_DAIFMT_IB_NF:
iface |= WM8350_AIF_BCLK_INV;
break;
case SND_SOC_DAIFMT_NB_IF:
iface |= WM8350_AIF_LRCLK_INV;
break;
default:
return -EINVAL;
}
wm8350_codec_write(codec, WM8350_AI_FORMATING, iface);
wm8350_codec_write(codec, WM8350_AI_DAC_CONTROL, master);
wm8350_codec_write(codec, WM8350_DAC_LR_RATE, dac_lrc);
wm8350_codec_write(codec, WM8350_ADC_LR_RATE, adc_lrc);
return 0;
}
static int wm8350_pcm_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *codec_dai)
{
struct snd_soc_codec *codec = codec_dai->codec;
int master = wm8350_codec_cache_read(codec, WM8350_AI_DAC_CONTROL) &
WM8350_BCLK_MSTR;
int enabled = 0;
/* Check that the DACs or ADCs are enabled since they are
* required for LRC in master mode. The DACs or ADCs need a
* valid audio path i.e. pin -> ADC or DAC -> pin before
* the LRC will be enabled in master mode. */
if (!master || cmd != SNDRV_PCM_TRIGGER_START)
return 0;
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
(WM8350_ADCR_ENA | WM8350_ADCL_ENA);
} else {
enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) &
(WM8350_DACR_ENA | WM8350_DACL_ENA);
}
if (!enabled) {
dev_err(codec->dev,
"%s: invalid audio path - no clocks available\n",
__func__);
return -EINVAL;
}
return 0;
}
static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *codec_dai)
{
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8350 *wm8350 = codec->control_data;
u16 iface = wm8350_codec_read(codec, WM8350_AI_FORMATING) &
~WM8350_AIF_WL_MASK;