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linux/sound/drivers/vx/vx_mixer.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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 this program is distributed in the
  hope that it will be useful but without any warranty without even
  the implied warranty of merchantability or fitness for a particular
  purpose see the gnu general public license for more details you
  should have received a copy of the gnu general public license along
  with this program if not write to the free software foundation inc
  59 temple place suite 330 boston ma 02111 1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

993 lines
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Digigram VX soundcards
*
* Common mixer part
*
* Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
*/
#include <sound/core.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/vx_core.h>
#include "vx_cmd.h"
/*
* write a codec data (24bit)
*/
static void vx_write_codec_reg(struct vx_core *chip, int codec, unsigned int data)
{
if (snd_BUG_ON(!chip->ops->write_codec))
return;
if (chip->chip_status & VX_STAT_IS_STALE)
return;
mutex_lock(&chip->lock);
chip->ops->write_codec(chip, codec, data);
mutex_unlock(&chip->lock);
}
/*
* Data type used to access the Codec
*/
union vx_codec_data {
u32 l;
#ifdef SNDRV_BIG_ENDIAN
struct w {
u16 h;
u16 l;
} w;
struct b {
u8 hh;
u8 mh;
u8 ml;
u8 ll;
} b;
#else /* LITTLE_ENDIAN */
struct w {
u16 l;
u16 h;
} w;
struct b {
u8 ll;
u8 ml;
u8 mh;
u8 hh;
} b;
#endif
};
#define SET_CDC_DATA_SEL(di,s) ((di).b.mh = (u8) (s))
#define SET_CDC_DATA_REG(di,r) ((di).b.ml = (u8) (r))
#define SET_CDC_DATA_VAL(di,d) ((di).b.ll = (u8) (d))
#define SET_CDC_DATA_INIT(di) ((di).l = 0L, SET_CDC_DATA_SEL(di,XX_CODEC_SELECTOR))
/*
* set up codec register and write the value
* @codec: the codec id, 0 or 1
* @reg: register index
* @val: data value
*/
static void vx_set_codec_reg(struct vx_core *chip, int codec, int reg, int val)
{
union vx_codec_data data;
/* DAC control register */
SET_CDC_DATA_INIT(data);
SET_CDC_DATA_REG(data, reg);
SET_CDC_DATA_VAL(data, val);
vx_write_codec_reg(chip, codec, data.l);
}
/*
* vx_set_analog_output_level - set the output attenuation level
* @codec: the output codec, 0 or 1. (1 for VXP440 only)
* @left: left output level, 0 = mute
* @right: right output level
*/
static void vx_set_analog_output_level(struct vx_core *chip, int codec, int left, int right)
{
left = chip->hw->output_level_max - left;
right = chip->hw->output_level_max - right;
if (chip->ops->akm_write) {
chip->ops->akm_write(chip, XX_CODEC_LEVEL_LEFT_REGISTER, left);
chip->ops->akm_write(chip, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
} else {
/* convert to attenuation level: 0 = 0dB (max), 0xe3 = -113.5 dB (min) */
vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_LEFT_REGISTER, left);
vx_set_codec_reg(chip, codec, XX_CODEC_LEVEL_RIGHT_REGISTER, right);
}
}
/*
* vx_toggle_dac_mute - mute/unmute DAC
* @mute: 0 = unmute, 1 = mute
*/
#define DAC_ATTEN_MIN 0x08
#define DAC_ATTEN_MAX 0x38
void vx_toggle_dac_mute(struct vx_core *chip, int mute)
{
unsigned int i;
for (i = 0; i < chip->hw->num_codecs; i++) {
if (chip->ops->akm_write)
chip->ops->akm_write(chip, XX_CODEC_DAC_CONTROL_REGISTER, mute); /* XXX */
else
vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER,
mute ? DAC_ATTEN_MAX : DAC_ATTEN_MIN);
}
}
/*
* vx_reset_codec - reset and initialize the codecs
*/
void vx_reset_codec(struct vx_core *chip, int cold_reset)
{
unsigned int i;
int port = chip->type >= VX_TYPE_VXPOCKET ? 0x75 : 0x65;
chip->ops->reset_codec(chip);
/* AKM codecs should be initialized in reset_codec callback */
if (! chip->ops->akm_write) {
/* initialize old codecs */
for (i = 0; i < chip->hw->num_codecs; i++) {
/* DAC control register (change level when zero crossing + mute) */
vx_set_codec_reg(chip, i, XX_CODEC_DAC_CONTROL_REGISTER, DAC_ATTEN_MAX);
/* ADC control register */
vx_set_codec_reg(chip, i, XX_CODEC_ADC_CONTROL_REGISTER, 0x00);
/* Port mode register */
vx_set_codec_reg(chip, i, XX_CODEC_PORT_MODE_REGISTER, port);
/* Clock control register */
vx_set_codec_reg(chip, i, XX_CODEC_CLOCK_CONTROL_REGISTER, 0x00);
}
}
/* mute analog output */
for (i = 0; i < chip->hw->num_codecs; i++) {
chip->output_level[i][0] = 0;
chip->output_level[i][1] = 0;
vx_set_analog_output_level(chip, i, 0, 0);
}
}
/*
* change the audio input source
* @src: the target source (VX_AUDIO_SRC_XXX)
*/
static void vx_change_audio_source(struct vx_core *chip, int src)
{
if (chip->chip_status & VX_STAT_IS_STALE)
return;
mutex_lock(&chip->lock);
chip->ops->change_audio_source(chip, src);
mutex_unlock(&chip->lock);
}
/*
* change the audio source if necessary and possible
* returns 1 if the source is actually changed.
*/
int vx_sync_audio_source(struct vx_core *chip)
{
if (chip->audio_source_target == chip->audio_source ||
chip->pcm_running)
return 0;
vx_change_audio_source(chip, chip->audio_source_target);
chip->audio_source = chip->audio_source_target;
return 1;
}
/*
* audio level, mute, monitoring
*/
struct vx_audio_level {
unsigned int has_level: 1;
unsigned int has_monitor_level: 1;
unsigned int has_mute: 1;
unsigned int has_monitor_mute: 1;
unsigned int mute;
unsigned int monitor_mute;
short level;
short monitor_level;
};
static int vx_adjust_audio_level(struct vx_core *chip, int audio, int capture,
struct vx_audio_level *info)
{
struct vx_rmh rmh;
if (chip->chip_status & VX_STAT_IS_STALE)
return -EBUSY;
vx_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
if (capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
/* Add Audio IO mask */
rmh.Cmd[1] = 1 << audio;
rmh.Cmd[2] = 0;
if (info->has_level) {
rmh.Cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
rmh.Cmd[2] |= info->level;
}
if (info->has_monitor_level) {
rmh.Cmd[0] |= VALID_AUDIO_IO_MONITORING_LEVEL;
rmh.Cmd[2] |= ((unsigned int)info->monitor_level << 10);
}
if (info->has_mute) {
rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_LEVEL;
if (info->mute)
rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_LEVEL;
}
if (info->has_monitor_mute) {
/* validate flag for M2 at least to unmute it */
rmh.Cmd[0] |= VALID_AUDIO_IO_MUTE_MONITORING_1 | VALID_AUDIO_IO_MUTE_MONITORING_2;
if (info->monitor_mute)
rmh.Cmd[2] |= AUDIO_IO_HAS_MUTE_MONITORING_1;
}
return vx_send_msg(chip, &rmh);
}
#if 0 // not used
static int vx_read_audio_level(struct vx_core *chip, int audio, int capture,
struct vx_audio_level *info)
{
int err;
struct vx_rmh rmh;
memset(info, 0, sizeof(*info));
vx_init_rmh(&rmh, CMD_GET_AUDIO_LEVELS);
if (capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
/* Add Audio IO mask */
rmh.Cmd[1] = 1 << audio;
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
info.level = rmh.Stat[0] & MASK_DSP_WORD_LEVEL;
info.monitor_level = (rmh.Stat[0] >> 10) & MASK_DSP_WORD_LEVEL;
info.mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_LEVEL) ? 1 : 0;
info.monitor_mute = (rmh.Stat[i] & AUDIO_IO_HAS_MUTE_MONITORING_1) ? 1 : 0;
return 0;
}
#endif // not used
/*
* set the monitoring level and mute state of the given audio
* no more static, because must be called from vx_pcm to demute monitoring
*/
int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active)
{
struct vx_audio_level info;
memset(&info, 0, sizeof(info));
info.has_monitor_level = 1;
info.monitor_level = level;
info.has_monitor_mute = 1;
info.monitor_mute = !active;
chip->audio_monitor[audio] = level;
chip->audio_monitor_active[audio] = active;
return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
}
/*
* set the mute status of the given audio
*/
static int vx_set_audio_switch(struct vx_core *chip, int audio, int active)
{
struct vx_audio_level info;
memset(&info, 0, sizeof(info));
info.has_mute = 1;
info.mute = !active;
chip->audio_active[audio] = active;
return vx_adjust_audio_level(chip, audio, 0, &info); /* playback only */
}
/*
* set the mute status of the given audio
*/
static int vx_set_audio_gain(struct vx_core *chip, int audio, int capture, int level)
{
struct vx_audio_level info;
memset(&info, 0, sizeof(info));
info.has_level = 1;
info.level = level;
chip->audio_gain[capture][audio] = level;
return vx_adjust_audio_level(chip, audio, capture, &info);
}
/*
* reset all audio levels
*/
static void vx_reset_audio_levels(struct vx_core *chip)
{
unsigned int i, c;
struct vx_audio_level info;
memset(chip->audio_gain, 0, sizeof(chip->audio_gain));
memset(chip->audio_active, 0, sizeof(chip->audio_active));
memset(chip->audio_monitor, 0, sizeof(chip->audio_monitor));
memset(chip->audio_monitor_active, 0, sizeof(chip->audio_monitor_active));
for (c = 0; c < 2; c++) {
for (i = 0; i < chip->hw->num_ins * 2; i++) {
memset(&info, 0, sizeof(info));
if (c == 0) {
info.has_monitor_level = 1;
info.has_mute = 1;
info.has_monitor_mute = 1;
}
info.has_level = 1;
info.level = CVAL_0DB; /* default: 0dB */
vx_adjust_audio_level(chip, i, c, &info);
chip->audio_gain[c][i] = CVAL_0DB;
chip->audio_monitor[i] = CVAL_0DB;
}
}
}
/*
* VU, peak meter record
*/
#define VU_METER_CHANNELS 2
struct vx_vu_meter {
int saturated;
int vu_level;
int peak_level;
};
/*
* get the VU and peak meter values
* @audio: the audio index
* @capture: 0 = playback, 1 = capture operation
* @info: the array of vx_vu_meter records (size = 2).
*/
static int vx_get_audio_vu_meter(struct vx_core *chip, int audio, int capture, struct vx_vu_meter *info)
{
struct vx_rmh rmh;
int i, err;
if (chip->chip_status & VX_STAT_IS_STALE)
return -EBUSY;
vx_init_rmh(&rmh, CMD_AUDIO_VU_PIC_METER);
rmh.LgStat += 2 * VU_METER_CHANNELS;
if (capture)
rmh.Cmd[0] |= COMMAND_RECORD_MASK;
/* Add Audio IO mask */
rmh.Cmd[1] = 0;
for (i = 0; i < VU_METER_CHANNELS; i++)
rmh.Cmd[1] |= 1 << (audio + i);
err = vx_send_msg(chip, &rmh);
if (err < 0)
return err;
/* Read response */
for (i = 0; i < 2 * VU_METER_CHANNELS; i +=2) {
info->saturated = (rmh.Stat[0] & (1 << (audio + i))) ? 1 : 0;
info->vu_level = rmh.Stat[i + 1];
info->peak_level = rmh.Stat[i + 2];
info++;
}
return 0;
}
/*
* control API entries
*/
/*
* output level control
*/
static int vx_output_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = chip->hw->output_level_max;
return 0;
}
static int vx_output_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->id.index;
mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->output_level[codec][0];
ucontrol->value.integer.value[1] = chip->output_level[codec][1];
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int codec = kcontrol->id.index;
unsigned int val[2], vmax;
vmax = chip->hw->output_level_max;
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > vmax || val[1] > vmax)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (val[0] != chip->output_level[codec][0] ||
val[1] != chip->output_level[codec][1]) {
vx_set_analog_output_level(chip, codec, val[0], val[1]);
chip->output_level[codec][0] = val[0];
chip->output_level[codec][1] = val[1];
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static const struct snd_kcontrol_new vx_control_output_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Master Playback Volume",
.info = vx_output_level_info,
.get = vx_output_level_get,
.put = vx_output_level_put,
/* tlv will be filled later */
};
/*
* audio source select
*/
static int vx_audio_src_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts_mic[3] = {
"Digital", "Line", "Mic"
};
static const char * const texts_vx2[2] = {
"Digital", "Analog"
};
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
if (chip->type >= VX_TYPE_VXPOCKET)
return snd_ctl_enum_info(uinfo, 1, 3, texts_mic);
else
return snd_ctl_enum_info(uinfo, 1, 2, texts_vx2);
}
static int vx_audio_src_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = chip->audio_source_target;
return 0;
}
static int vx_audio_src_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
if (chip->type >= VX_TYPE_VXPOCKET) {
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
} else {
if (ucontrol->value.enumerated.item[0] > 1)
return -EINVAL;
}
mutex_lock(&chip->mixer_mutex);
if (chip->audio_source_target != ucontrol->value.enumerated.item[0]) {
chip->audio_source_target = ucontrol->value.enumerated.item[0];
vx_sync_audio_source(chip);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static const struct snd_kcontrol_new vx_control_audio_src = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Capture Source",
.info = vx_audio_src_info,
.get = vx_audio_src_get,
.put = vx_audio_src_put,
};
/*
* clock mode selection
*/
static int vx_clock_mode_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
static const char * const texts[3] = {
"Auto", "Internal", "External"
};
return snd_ctl_enum_info(uinfo, 1, 3, texts);
}
static int vx_clock_mode_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = chip->clock_mode;
return 0;
}
static int vx_clock_mode_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (chip->clock_mode != ucontrol->value.enumerated.item[0]) {
chip->clock_mode = ucontrol->value.enumerated.item[0];
vx_set_clock(chip, chip->freq);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static const struct snd_kcontrol_new vx_control_clock_mode = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Clock Mode",
.info = vx_clock_mode_info,
.get = vx_clock_mode_get,
.put = vx_clock_mode_put,
};
/*
* Audio Gain
*/
static int vx_audio_gain_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = CVAL_MAX;
return 0;
}
static int vx_audio_gain_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_gain[capture][audio];
ucontrol->value.integer.value[1] = chip->audio_gain[capture][audio+1];
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_audio_gain_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
unsigned int val[2];
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (val[0] != chip->audio_gain[capture][audio] ||
val[1] != chip->audio_gain[capture][audio+1]) {
vx_set_audio_gain(chip, audio, capture, val[0]);
vx_set_audio_gain(chip, audio+1, capture, val[1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_audio_monitor_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_monitor[audio];
ucontrol->value.integer.value[1] = chip->audio_monitor[audio+1];
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_audio_monitor_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
unsigned int val[2];
val[0] = ucontrol->value.integer.value[0];
val[1] = ucontrol->value.integer.value[1];
if (val[0] > CVAL_MAX || val[1] > CVAL_MAX)
return -EINVAL;
mutex_lock(&chip->mixer_mutex);
if (val[0] != chip->audio_monitor[audio] ||
val[1] != chip->audio_monitor[audio+1]) {
vx_set_monitor_level(chip, audio, val[0],
chip->audio_monitor_active[audio]);
vx_set_monitor_level(chip, audio+1, val[1],
chip->audio_monitor_active[audio+1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
#define vx_audio_sw_info snd_ctl_boolean_stereo_info
static int vx_audio_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_active[audio];
ucontrol->value.integer.value[1] = chip->audio_active[audio+1];
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_active[audio+1]) {
vx_set_audio_switch(chip, audio,
!!ucontrol->value.integer.value[0]);
vx_set_audio_switch(chip, audio+1,
!!ucontrol->value.integer.value[1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_monitor_sw_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
mutex_lock(&chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->audio_monitor_active[audio];
ucontrol->value.integer.value[1] = chip->audio_monitor_active[audio+1];
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
int audio = kcontrol->private_value & 0xff;
mutex_lock(&chip->mixer_mutex);
if (ucontrol->value.integer.value[0] != chip->audio_monitor_active[audio] ||
ucontrol->value.integer.value[1] != chip->audio_monitor_active[audio+1]) {
vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
!!ucontrol->value.integer.value[0]);
vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
!!ucontrol->value.integer.value[1]);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static const DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0);
static const struct snd_kcontrol_new vx_control_audio_gain = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
/* name will be filled later */
.info = vx_audio_gain_info,
.get = vx_audio_gain_get,
.put = vx_audio_gain_put,
.tlv = { .p = db_scale_audio_gain },
};
static const struct snd_kcontrol_new vx_control_output_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "PCM Playback Switch",
.info = vx_audio_sw_info,
.get = vx_audio_sw_get,
.put = vx_audio_sw_put
};
static const struct snd_kcontrol_new vx_control_monitor_gain = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Volume",
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = vx_audio_gain_info, /* shared */
.get = vx_audio_monitor_get,
.put = vx_audio_monitor_put,
.tlv = { .p = db_scale_audio_gain },
};
static const struct snd_kcontrol_new vx_control_monitor_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitoring Switch",
.info = vx_audio_sw_info, /* shared */
.get = vx_monitor_sw_get,
.put = vx_monitor_sw_put
};
/*
* IEC958 status bits
*/
static int vx_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int vx_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
mutex_lock(&chip->mixer_mutex);
ucontrol->value.iec958.status[0] = (chip->uer_bits >> 0) & 0xff;
ucontrol->value.iec958.status[1] = (chip->uer_bits >> 8) & 0xff;
ucontrol->value.iec958.status[2] = (chip->uer_bits >> 16) & 0xff;
ucontrol->value.iec958.status[3] = (chip->uer_bits >> 24) & 0xff;
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static int vx_iec958_mask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.iec958.status[0] = 0xff;
ucontrol->value.iec958.status[1] = 0xff;
ucontrol->value.iec958.status[2] = 0xff;
ucontrol->value.iec958.status[3] = 0xff;
return 0;
}
static int vx_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
unsigned int val;
val = (ucontrol->value.iec958.status[0] << 0) |
(ucontrol->value.iec958.status[1] << 8) |
(ucontrol->value.iec958.status[2] << 16) |
(ucontrol->value.iec958.status[3] << 24);
mutex_lock(&chip->mixer_mutex);
if (chip->uer_bits != val) {
chip->uer_bits = val;
vx_set_iec958_status(chip, val);
mutex_unlock(&chip->mixer_mutex);
return 1;
}
mutex_unlock(&chip->mixer_mutex);
return 0;
}
static const struct snd_kcontrol_new vx_control_iec958_mask = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
.info = vx_iec958_info, /* shared */
.get = vx_iec958_mask_get,
};
static const struct snd_kcontrol_new vx_control_iec958 = {
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
.info = vx_iec958_info,
.get = vx_iec958_get,
.put = vx_iec958_put
};
/*
* VU meter
*/
#define METER_MAX 0xff
#define METER_SHIFT 16
static int vx_vu_meter_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = METER_MAX;
return 0;
}
static int vx_vu_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
struct vx_vu_meter meter[2];
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
vx_get_audio_vu_meter(chip, audio, capture, meter);
ucontrol->value.integer.value[0] = meter[0].vu_level >> METER_SHIFT;
ucontrol->value.integer.value[1] = meter[1].vu_level >> METER_SHIFT;
return 0;
}
static int vx_peak_meter_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
struct vx_vu_meter meter[2];
int audio = kcontrol->private_value & 0xff;
int capture = (kcontrol->private_value >> 8) & 1;
vx_get_audio_vu_meter(chip, audio, capture, meter);
ucontrol->value.integer.value[0] = meter[0].peak_level >> METER_SHIFT;
ucontrol->value.integer.value[1] = meter[1].peak_level >> METER_SHIFT;
return 0;
}
#define vx_saturation_info snd_ctl_boolean_stereo_info
static int vx_saturation_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *chip = snd_kcontrol_chip(kcontrol);
struct vx_vu_meter meter[2];
int audio = kcontrol->private_value & 0xff;
vx_get_audio_vu_meter(chip, audio, 1, meter); /* capture only */
ucontrol->value.integer.value[0] = meter[0].saturated;
ucontrol->value.integer.value[1] = meter[1].saturated;
return 0;
}
static const struct snd_kcontrol_new vx_control_vu_meter = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
/* name will be filled later */
.info = vx_vu_meter_info,
.get = vx_vu_meter_get,
};
static const struct snd_kcontrol_new vx_control_peak_meter = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
/* name will be filled later */
.info = vx_vu_meter_info, /* shared */
.get = vx_peak_meter_get,
};
static const struct snd_kcontrol_new vx_control_saturation = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Input Saturation",
.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
.info = vx_saturation_info,
.get = vx_saturation_get,
};
/*
*
*/
int snd_vx_mixer_new(struct vx_core *chip)
{
unsigned int i, c;
int err;
struct snd_kcontrol_new temp;
struct snd_card *card = chip->card;
char name[32];
strcpy(card->mixername, card->driver);
/* output level controls */
for (i = 0; i < chip->hw->num_outs; i++) {
temp = vx_control_output_level;
temp.index = i;
temp.tlv.p = chip->hw->output_level_db_scale;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
/* PCM volumes, switches, monitoring */
for (i = 0; i < chip->hw->num_outs; i++) {
int val = i * 2;
temp = vx_control_audio_gain;
temp.index = i;
temp.name = "PCM Playback Volume";
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = vx_control_output_switch;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = vx_control_monitor_gain;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
temp = vx_control_monitor_switch;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
for (i = 0; i < chip->hw->num_outs; i++) {
temp = vx_control_audio_gain;
temp.index = i;
temp.name = "PCM Capture Volume";
temp.private_value = (i * 2) | (1 << 8);
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
/* Audio source */
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_audio_src, chip))) < 0)
return err;
/* clock mode */
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_clock_mode, chip))) < 0)
return err;
/* IEC958 controls */
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958_mask, chip))) < 0)
return err;
if ((err = snd_ctl_add(card, snd_ctl_new1(&vx_control_iec958, chip))) < 0)
return err;
/* VU, peak, saturation meters */
for (c = 0; c < 2; c++) {
static char *dir[2] = { "Output", "Input" };
for (i = 0; i < chip->hw->num_ins; i++) {
int val = (i * 2) | (c << 8);
if (c == 1) {
temp = vx_control_saturation;
temp.index = i;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
sprintf(name, "%s VU Meter", dir[c]);
temp = vx_control_vu_meter;
temp.index = i;
temp.name = name;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
sprintf(name, "%s Peak Meter", dir[c]);
temp = vx_control_peak_meter;
temp.index = i;
temp.name = name;
temp.private_value = val;
if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0)
return err;
}
}
vx_reset_audio_levels(chip);
return 0;
}
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