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wm_hubs.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* wm_hubs.c -- WM8993/4 common code
*
* Copyright 2009-12 Wolfson Microelectronics plc
*
* Author: Mark Brown <[email protected]>
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/mfd/wm8994/registers.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "wm8993.h"
#include "wm_hubs.h"
const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
EXPORT_SYMBOL_GPL(wm_hubs_spkmix_tlv);
static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
static const DECLARE_TLV_DB_SCALE(inmix_sw_tlv, 0, 3000, 0);
static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
static const DECLARE_TLV_DB_RANGE(spkboost_tlv,
0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0)
);
static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
static const char *speaker_ref_text[] = {
"SPKVDD/2",
"VMID",
};
static SOC_ENUM_SINGLE_DECL(speaker_ref,
WM8993_SPEAKER_MIXER, 8, speaker_ref_text);
static const char *speaker_mode_text[] = {
"Class D",
"Class AB",
};
static SOC_ENUM_SINGLE_DECL(speaker_mode,
WM8993_SPKMIXR_ATTENUATION, 8, speaker_mode_text);
static void wait_for_dc_servo(struct snd_soc_component *component, unsigned int op)
{
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
unsigned int reg;
int count = 0;
int timeout;
unsigned int val;
val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
/* Trigger the command */
snd_soc_component_write(component, WM8993_DC_SERVO_0, val);
dev_dbg(component->dev, "Waiting for DC servo...\n");
if (hubs->dcs_done_irq)
timeout = 4;
else
timeout = 400;
do {
count++;
if (hubs->dcs_done_irq)
wait_for_completion_timeout(&hubs->dcs_done,
msecs_to_jiffies(250));
else
msleep(1);
reg = snd_soc_component_read(component, WM8993_DC_SERVO_0);
dev_dbg(component->dev, "DC servo: %x\n", reg);
} while (reg & op && count < timeout);
if (reg & op)
dev_err(component->dev, "Timed out waiting for DC Servo %x\n",
op);
}
irqreturn_t wm_hubs_dcs_done(int irq, void *data)
{
struct wm_hubs_data *hubs = data;
complete(&hubs->dcs_done);
return IRQ_HANDLED;
}
EXPORT_SYMBOL_GPL(wm_hubs_dcs_done);
static bool wm_hubs_dac_hp_direct(struct snd_soc_component *component)
{
int reg;
/* If we're going via the mixer we'll need to do additional checks */
reg = snd_soc_component_read(component, WM8993_OUTPUT_MIXER1);
if (!(reg & WM8993_DACL_TO_HPOUT1L)) {
if (reg & ~WM8993_DACL_TO_MIXOUTL) {
dev_vdbg(component->dev, "Analogue paths connected: %x\n",
reg & ~WM8993_DACL_TO_HPOUT1L);
return false;
} else {
dev_vdbg(component->dev, "HPL connected to mixer\n");
}
} else {
dev_vdbg(component->dev, "HPL connected to DAC\n");
}
reg = snd_soc_component_read(component, WM8993_OUTPUT_MIXER2);
if (!(reg & WM8993_DACR_TO_HPOUT1R)) {
if (reg & ~WM8993_DACR_TO_MIXOUTR) {
dev_vdbg(component->dev, "Analogue paths connected: %x\n",
reg & ~WM8993_DACR_TO_HPOUT1R);
return false;
} else {
dev_vdbg(component->dev, "HPR connected to mixer\n");
}
} else {
dev_vdbg(component->dev, "HPR connected to DAC\n");
}
return true;
}
struct wm_hubs_dcs_cache {
struct list_head list;
unsigned int left;
unsigned int right;
u16 dcs_cfg;
};
static bool wm_hubs_dcs_cache_get(struct snd_soc_component *component,
struct wm_hubs_dcs_cache **entry)
{
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
struct wm_hubs_dcs_cache *cache;
unsigned int left, right;
left = snd_soc_component_read(component, WM8993_LEFT_OUTPUT_VOLUME);
left &= WM8993_HPOUT1L_VOL_MASK;
right = snd_soc_component_read(component, WM8993_RIGHT_OUTPUT_VOLUME);
right &= WM8993_HPOUT1R_VOL_MASK;
list_for_each_entry(cache, &hubs->dcs_cache, list) {
if (cache->left != left || cache->right != right)
continue;
*entry = cache;
return true;
}
return false;
}
static void wm_hubs_dcs_cache_set(struct snd_soc_component *component, u16 dcs_cfg)
{
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
struct wm_hubs_dcs_cache *cache;
if (hubs->no_cache_dac_hp_direct)
return;
cache = devm_kzalloc(component->dev, sizeof(*cache), GFP_KERNEL);
if (!cache)
return;
cache->left = snd_soc_component_read(component, WM8993_LEFT_OUTPUT_VOLUME);
cache->left &= WM8993_HPOUT1L_VOL_MASK;
cache->right = snd_soc_component_read(component, WM8993_RIGHT_OUTPUT_VOLUME);
cache->right &= WM8993_HPOUT1R_VOL_MASK;
cache->dcs_cfg = dcs_cfg;
list_add_tail(&cache->list, &hubs->dcs_cache);
}
static int wm_hubs_read_dc_servo(struct snd_soc_component *component,
u16 *reg_l, u16 *reg_r)
{
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
u16 dcs_reg, reg;
int ret = 0;
switch (hubs->dcs_readback_mode) {
case 2:
dcs_reg = WM8994_DC_SERVO_4E;
break;
case 1:
dcs_reg = WM8994_DC_SERVO_READBACK;
break;
default:
dcs_reg = WM8993_DC_SERVO_3;
break;
}
/* Different chips in the family support different readback
* methods.
*/
switch (hubs->dcs_readback_mode) {
case 0:
*reg_l = snd_soc_component_read(component, WM8993_DC_SERVO_READBACK_1)
& WM8993_DCS_INTEG_CHAN_0_MASK;
*reg_r = snd_soc_component_read(component, WM8993_DC_SERVO_READBACK_2)
& WM8993_DCS_INTEG_CHAN_1_MASK;
break;
case 2:
case 1:
reg = snd_soc_component_read(component, dcs_reg);
*reg_r = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
*reg_l = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
break;
default:
WARN(1, "Unknown DCS readback method\n");
ret = -1;
}
return ret;
}
/*
* Startup calibration of the DC servo
*/
static void enable_dc_servo(struct snd_soc_component *component)
{
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
struct wm_hubs_dcs_cache *cache;
s8 offset;
u16 reg_l, reg_r, dcs_cfg, dcs_reg;
switch (hubs->dcs_readback_mode) {
case 2:
dcs_reg = WM8994_DC_SERVO_4E;
break;
default:
dcs_reg = WM8993_DC_SERVO_3;
break;
}
/* If we're using a digital only path and have a previously
* callibrated DC servo offset stored then use that. */
if (wm_hubs_dac_hp_direct(component) &&
wm_hubs_dcs_cache_get(component, &cache)) {
dev_dbg(component->dev, "Using cached DCS offset %x for %d,%d\n",
cache->dcs_cfg, cache->left, cache->right);
snd_soc_component_write(component, dcs_reg, cache->dcs_cfg);
wait_for_dc_servo(component,
WM8993_DCS_TRIG_DAC_WR_0 |
WM8993_DCS_TRIG_DAC_WR_1);
return;
}
if (hubs->series_startup) {
/* Set for 32 series updates */
snd_soc_component_update_bits(component, WM8993_DC_SERVO_1,
WM8993_DCS_SERIES_NO_01_MASK,
32 << WM8993_DCS_SERIES_NO_01_SHIFT);
wait_for_dc_servo(component,
WM8993_DCS_TRIG_SERIES_0 |
WM8993_DCS_TRIG_SERIES_1);
} else {
wait_for_dc_servo(component,
WM8993_DCS_TRIG_STARTUP_0 |
WM8993_DCS_TRIG_STARTUP_1);
}
if (wm_hubs_read_dc_servo(component, ®_l, ®_r) < 0)
return;
dev_dbg(component->dev, "DCS input: %x %x\n", reg_l, reg_r);
/* Apply correction to DC servo result */
if (hubs->dcs_codes_l || hubs->dcs_codes_r) {
dev_dbg(component->dev,
"Applying %d/%d code DC servo correction\n",
hubs->dcs_codes_l, hubs->dcs_codes_r);
/* HPOUT1R */
offset = (s8)reg_r;
dev_dbg(component->dev, "DCS right %d->%d\n", offset,
offset + hubs->dcs_codes_r);
offset += hubs->dcs_codes_r;
dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
/* HPOUT1L */
offset = (s8)reg_l;
dev_dbg(component->dev, "DCS left %d->%d\n", offset,
offset + hubs->dcs_codes_l);
offset += hubs->dcs_codes_l;
dcs_cfg |= (u8)offset;
dev_dbg(component->dev, "DCS result: %x\n", dcs_cfg);
/* Do it */
snd_soc_component_write(component, dcs_reg, dcs_cfg);
wait_for_dc_servo(component,
WM8993_DCS_TRIG_DAC_WR_0 |
WM8993_DCS_TRIG_DAC_WR_1);
} else {
dcs_cfg = reg_r << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
dcs_cfg |= reg_l;
}
/* Save the callibrated offset if we're in class W mode and
* therefore don't have any analogue signal mixed in. */
if (wm_hubs_dac_hp_direct(component))
wm_hubs_dcs_cache_set(component, dcs_cfg);
}
/*
* Update the DC servo calibration on gain changes
*/
static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
int ret;
ret = snd_soc_put_volsw(kcontrol, ucontrol);
/* If we're applying an offset correction then updating the
* callibration would be likely to introduce further offsets. */
if (hubs->dcs_codes_l || hubs->dcs_codes_r || hubs->no_series_update)
return ret;
/* Only need to do this if the outputs are active */
if (snd_soc_component_read(component, WM8993_POWER_MANAGEMENT_1)
& (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
snd_soc_component_update_bits(component,
WM8993_DC_SERVO_0,
WM8993_DCS_TRIG_SINGLE_0 |
WM8993_DCS_TRIG_SINGLE_1,
WM8993_DCS_TRIG_SINGLE_0 |
WM8993_DCS_TRIG_SINGLE_1);
return ret;
}
static const struct snd_kcontrol_new analogue_snd_controls[] = {
SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
inpga_tlv),
SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
inpga_tlv),
SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
inpga_tlv),
SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
inpga_tlv),
SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
inmix_sw_tlv),
SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
inmix_sw_tlv),
SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
inmix_tlv),
SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
inmix_tlv),
SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
inmix_sw_tlv),
SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
inmix_sw_tlv),
SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
inmix_tlv),
SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
inmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
5, 1, 1, wm_hubs_spkmix_tlv),
SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
4, 1, 1, wm_hubs_spkmix_tlv),
SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
3, 1, 1, wm_hubs_spkmix_tlv),
SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
5, 1, 1, wm_hubs_spkmix_tlv),
SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
4, 1, 1, wm_hubs_spkmix_tlv),
SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
3, 1, 1, wm_hubs_spkmix_tlv),
SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
0, 3, 1, spkmixout_tlv),
SOC_DOUBLE_R_TLV("Speaker Volume",
WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
0, 63, 0, outpga_tlv),
SOC_DOUBLE_R("Speaker Switch",
WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
6, 1, 0),
SOC_DOUBLE_R("Speaker ZC Switch",
WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
7, 1, 0),
SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
spkboost_tlv),
SOC_ENUM("Speaker Reference", speaker_ref),
SOC_ENUM("Speaker Mode", speaker_mode),
SOC_DOUBLE_R_EXT_TLV("Headphone Volume",
WM8993_LEFT_OUTPUT_VOLUME, WM8993_RIGHT_OUTPUT_VOLUME,
0, 63, 0, snd_soc_get_volsw, wm8993_put_dc_servo,
outpga_tlv),
SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
line_tlv),
SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
line_tlv),
};
static int hp_supply_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
switch (hubs->hp_startup_mode) {
case 0:
break;
case 1:
/* Enable the headphone amp */
snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1,
WM8993_HPOUT1L_ENA |
WM8993_HPOUT1R_ENA,
WM8993_HPOUT1L_ENA |
WM8993_HPOUT1R_ENA);
/* Enable the second stage */
snd_soc_component_update_bits(component, WM8993_ANALOGUE_HP_0,
WM8993_HPOUT1L_DLY |
WM8993_HPOUT1R_DLY,
WM8993_HPOUT1L_DLY |
WM8993_HPOUT1R_DLY);
break;
default:
dev_err(component->dev, "Unknown HP startup mode %d\n",
hubs->hp_startup_mode);
break;
}
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_update_bits(component, WM8993_CHARGE_PUMP_1,
WM8993_CP_ENA, 0);
break;
}
return 0;
}
static int hp_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
unsigned int reg = snd_soc_component_read(component, WM8993_ANALOGUE_HP_0);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_component_update_bits(component, WM8993_CHARGE_PUMP_1,
WM8993_CP_ENA, WM8993_CP_ENA);
msleep(5);
snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1,
WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
snd_soc_component_write(component, WM8993_ANALOGUE_HP_0, reg);
snd_soc_component_update_bits(component, WM8993_DC_SERVO_1,
WM8993_DCS_TIMER_PERIOD_01_MASK, 0);
enable_dc_servo(component);
reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
snd_soc_component_write(component, WM8993_ANALOGUE_HP_0, reg);
break;
case SND_SOC_DAPM_PRE_PMD:
snd_soc_component_update_bits(component, WM8993_ANALOGUE_HP_0,
WM8993_HPOUT1L_OUTP |
WM8993_HPOUT1R_OUTP |
WM8993_HPOUT1L_RMV_SHORT |
WM8993_HPOUT1R_RMV_SHORT, 0);
snd_soc_component_update_bits(component, WM8993_ANALOGUE_HP_0,
WM8993_HPOUT1L_DLY |
WM8993_HPOUT1R_DLY, 0);
snd_soc_component_write(component, WM8993_DC_SERVO_0, 0);
snd_soc_component_update_bits(component, WM8993_POWER_MANAGEMENT_1,
WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
0);
break;
}
return 0;
}
static int earpiece_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *control, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
u16 reg = snd_soc_component_read(component, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
reg |= WM8993_HPOUT2_IN_ENA;
snd_soc_component_write(component, WM8993_ANTIPOP1, reg);
udelay(50);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_write(component, WM8993_ANTIPOP1, reg);
break;
default:
WARN(1, "Invalid event %d\n", event);
break;
}
return 0;
}
static int lineout_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *control, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
bool *flag;
switch (w->shift) {
case WM8993_LINEOUT1N_ENA_SHIFT:
flag = &hubs->lineout1n_ena;
break;
case WM8993_LINEOUT1P_ENA_SHIFT:
flag = &hubs->lineout1p_ena;
break;
case WM8993_LINEOUT2N_ENA_SHIFT:
flag = &hubs->lineout2n_ena;
break;
case WM8993_LINEOUT2P_ENA_SHIFT:
flag = &hubs->lineout2p_ena;
break;
default:
WARN(1, "Unknown line output");
return -EINVAL;
}
*flag = SND_SOC_DAPM_EVENT_ON(event);
return 0;
}
static int micbias_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
switch (w->shift) {
case WM8993_MICB1_ENA_SHIFT:
if (hubs->micb1_delay)
msleep(hubs->micb1_delay);
break;
case WM8993_MICB2_ENA_SHIFT:
if (hubs->micb2_delay)
msleep(hubs->micb2_delay);
break;
default:
return -EINVAL;
}
return 0;
}
void wm_hubs_update_class_w(struct snd_soc_component *component)
{
struct wm_hubs_data *hubs = snd_soc_component_get_drvdata(component);
int enable = WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ;
if (!wm_hubs_dac_hp_direct(component))
enable = false;
if (hubs->check_class_w_digital && !hubs->check_class_w_digital(component))
enable = false;
dev_vdbg(component->dev, "Class W %s\n", enable ? "enabled" : "disabled");
snd_soc_component_update_bits(component, WM8993_CLASS_W_0,
WM8993_CP_DYN_V | WM8993_CP_DYN_FREQ, enable);
snd_soc_component_write(component, WM8993_LEFT_OUTPUT_VOLUME,
snd_soc_component_read(component, WM8993_LEFT_OUTPUT_VOLUME));
snd_soc_component_write(component, WM8993_RIGHT_OUTPUT_VOLUME,
snd_soc_component_read(component, WM8993_RIGHT_OUTPUT_VOLUME));
}
EXPORT_SYMBOL_GPL(wm_hubs_update_class_w);
#define WM_HUBS_SINGLE_W(xname, reg, shift, max, invert) \
SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
snd_soc_dapm_get_volsw, class_w_put_volsw)
static int class_w_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
int ret;
ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
wm_hubs_update_class_w(component);
return ret;
}
#define WM_HUBS_ENUM_W(xname, xenum) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.info = snd_soc_info_enum_double, \
.get = snd_soc_dapm_get_enum_double, \
.put = class_w_put_double, \
.private_value = (unsigned long)&xenum }
static int class_w_put_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
int ret;
ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol);
wm_hubs_update_class_w(component);
return ret;
}
static const char *hp_mux_text[] = {
"Mixer",
"DAC",
};
static SOC_ENUM_SINGLE_DECL(hpl_enum,
WM8993_OUTPUT_MIXER1, 8, hp_mux_text);
const struct snd_kcontrol_new wm_hubs_hpl_mux =
WM_HUBS_ENUM_W("Left Headphone Mux", hpl_enum);
EXPORT_SYMBOL_GPL(wm_hubs_hpl_mux);
static SOC_ENUM_SINGLE_DECL(hpr_enum,
WM8993_OUTPUT_MIXER2, 8, hp_mux_text);
const struct snd_kcontrol_new wm_hubs_hpr_mux =
WM_HUBS_ENUM_W("Right Headphone Mux", hpr_enum);
EXPORT_SYMBOL_GPL(wm_hubs_hpr_mux);
static const struct snd_kcontrol_new in1l_pga[] = {
SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
};
static const struct snd_kcontrol_new in1r_pga[] = {
SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
};
static const struct snd_kcontrol_new in2l_pga[] = {
SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
};
static const struct snd_kcontrol_new in2r_pga[] = {
SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
};
static const struct snd_kcontrol_new mixinl[] = {
SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
};
static const struct snd_kcontrol_new mixinr[] = {
SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
};
static const struct snd_kcontrol_new left_output_mixer[] = {
WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
WM_HUBS_SINGLE_W("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
};
static const struct snd_kcontrol_new right_output_mixer[] = {
WM_HUBS_SINGLE_W("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
WM_HUBS_SINGLE_W("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
WM_HUBS_SINGLE_W("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
WM_HUBS_SINGLE_W("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
WM_HUBS_SINGLE_W("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
WM_HUBS_SINGLE_W("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
WM_HUBS_SINGLE_W("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
WM_HUBS_SINGLE_W("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
};
static const struct snd_kcontrol_new earpiece_mixer[] = {
SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
};
static const struct snd_kcontrol_new left_speaker_boost[] = {
SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
};
static const struct snd_kcontrol_new right_speaker_boost[] = {
SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
};
static const struct snd_kcontrol_new line1_mix[] = {
SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
};
static const struct snd_kcontrol_new line1n_mix[] = {
SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
};
static const struct snd_kcontrol_new line1p_mix[] = {
SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
};
static const struct snd_kcontrol_new line2_mix[] = {
SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER2, 2, 1, 0),
SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER2, 1, 1, 0),
SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
};
static const struct snd_kcontrol_new line2n_mix[] = {
SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
};
static const struct snd_kcontrol_new line2p_mix[] = {
SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
};
static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("IN1LN"),
SND_SOC_DAPM_INPUT("IN1LP"),
SND_SOC_DAPM_INPUT("IN2LN"),
SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
SND_SOC_DAPM_INPUT("IN1RN"),
SND_SOC_DAPM_INPUT("IN1RP"),
SND_SOC_DAPM_INPUT("IN2RN"),
SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
SND_SOC_DAPM_SUPPLY("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0,
micbias_event, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SUPPLY("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0,
micbias_event, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
in1l_pga, ARRAY_SIZE(in1l_pga)),
SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
in1r_pga, ARRAY_SIZE(in1r_pga)),
SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
in2l_pga, ARRAY_SIZE(in2l_pga)),
SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
in2r_pga, ARRAY_SIZE(in2r_pga)),
SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
mixinl, ARRAY_SIZE(mixinl)),
SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
mixinr, ARRAY_SIZE(mixinr)),
SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
left_output_mixer, ARRAY_SIZE(left_output_mixer)),
SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
right_output_mixer, ARRAY_SIZE(right_output_mixer)),
SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUT_DRV_E("Headphone PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
NULL, 0, earpiece_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
SND_SOC_DAPM_SUPPLY("TSHUT", WM8993_POWER_MANAGEMENT_2, 14, 0, NULL, 0),
SND_SOC_DAPM_OUT_DRV("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
NULL, 0),
SND_SOC_DAPM_OUT_DRV("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
NULL, 0),
SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
line1_mix, ARRAY_SIZE(line1_mix)),
SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
line2_mix, ARRAY_SIZE(line2_mix)),
SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
line1n_mix, ARRAY_SIZE(line1n_mix)),
SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
line1p_mix, ARRAY_SIZE(line1p_mix)),
SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
line2n_mix, ARRAY_SIZE(line2n_mix)),
SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
line2p_mix, ARRAY_SIZE(line2p_mix)),
SND_SOC_DAPM_OUT_DRV_E("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
NULL, 0, lineout_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUT_DRV_E("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
NULL, 0, lineout_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUT_DRV_E("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
NULL, 0, lineout_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUT_DRV_E("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
NULL, 0, lineout_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
SND_SOC_DAPM_OUTPUT("HPOUT1L"),
SND_SOC_DAPM_OUTPUT("HPOUT1R"),
SND_SOC_DAPM_OUTPUT("HPOUT2P"),
SND_SOC_DAPM_OUTPUT("HPOUT2N"),
SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
};
static const struct snd_soc_dapm_route analogue_routes[] = {
{ "MICBIAS1", NULL, "CLK_SYS" },
{ "MICBIAS2", NULL, "CLK_SYS" },
{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
{ "IN1L PGA", NULL, "VMID" },
{ "IN1R PGA", NULL, "VMID" },
{ "IN2L PGA", NULL, "VMID" },
{ "IN2R PGA", NULL, "VMID" },
{ "IN1R PGA", "IN1RP Switch", "IN1RP" },
{ "IN1R PGA", "IN1RN Switch", "IN1RN" },
{ "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
{ "IN2L PGA", "IN2LN Switch", "IN2LN" },
{ "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
{ "IN2R PGA", "IN2RN Switch", "IN2RN" },
{ "Direct Voice", NULL, "IN2LP:VXRN" },
{ "Direct Voice", NULL, "IN2RP:VXRP" },
{ "MIXINL", "IN1L Switch", "IN1L PGA" },
{ "MIXINL", "IN2L Switch", "IN2L PGA" },
{ "MIXINL", NULL, "Direct Voice" },
{ "MIXINL", NULL, "IN1LP" },
{ "MIXINL", NULL, "Left Output Mixer" },
{ "MIXINL", NULL, "VMID" },
{ "MIXINR", "IN1R Switch", "IN1R PGA" },
{ "MIXINR", "IN2R Switch", "IN2R PGA" },
{ "MIXINR", NULL, "Direct Voice" },
{ "MIXINR", NULL, "IN1RP" },
{ "MIXINR", NULL, "Right Output Mixer" },
{ "MIXINR", NULL, "VMID" },
{ "ADCL", NULL, "MIXINL" },
{ "ADCR", NULL, "MIXINR" },
{ "Left Output Mixer", "Left Input Switch", "MIXINL" },
{ "Left Output Mixer", "Right Input Switch", "MIXINR" },
{ "Left Output Mixer", "IN2RN Switch", "IN2RN" },
{ "Left Output Mixer", "IN2LN Switch", "IN2LN" },
{ "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
{ "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
{ "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
{ "Right Output Mixer", "Left Input Switch", "MIXINL" },
{ "Right Output Mixer", "Right Input Switch", "MIXINR" },
{ "Right Output Mixer", "IN2LN Switch", "IN2LN" },
{ "Right Output Mixer", "IN2RN Switch", "IN2RN" },
{ "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
{ "Right Output Mixer", "IN1L Switch", "IN1L PGA" },