linux-stable/sound/pci/lola/lola_mixer.c
Markus Elfring 6da95e1ea8 ALSA: lola: Deletion of an unnecessary check before the function call "vfree"
The vfree() function performs also input parameter validation. Thus the test
around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-17 13:46:23 +01:00

896 lines
26 KiB
C

/*
* Support for Digigram Lola PCI-e boards
*
* Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/vmalloc.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
#include "lola.h"
static int lola_init_pin(struct lola *chip, struct lola_pin *pin,
int dir, int nid)
{
unsigned int val;
int err;
pin->nid = nid;
err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
if (err < 0) {
dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
return err;
}
val &= 0x00f00fff; /* test TYPE and bits 0..11 */
if (val == 0x00400200) /* Type = 4, Digital = 1 */
pin->is_analog = false;
else if (val == 0x0040000a && dir == CAPT) /* Dig=0, InAmp/ovrd */
pin->is_analog = true;
else if (val == 0x0040000c && dir == PLAY) /* Dig=0, OutAmp/ovrd */
pin->is_analog = true;
else {
dev_err(chip->card->dev, "Invalid wcaps 0x%x for 0x%x\n", val, nid);
return -EINVAL;
}
/* analog parameters only following, so continue in case of Digital pin
*/
if (!pin->is_analog)
return 0;
if (dir == PLAY)
err = lola_read_param(chip, nid, LOLA_PAR_AMP_OUT_CAP, &val);
else
err = lola_read_param(chip, nid, LOLA_PAR_AMP_IN_CAP, &val);
if (err < 0) {
dev_err(chip->card->dev, "Can't read AMP-caps for 0x%x\n", nid);
return err;
}
pin->amp_mute = LOLA_AMP_MUTE_CAPABLE(val);
pin->amp_step_size = LOLA_AMP_STEP_SIZE(val);
pin->amp_num_steps = LOLA_AMP_NUM_STEPS(val);
if (pin->amp_num_steps) {
/* zero as mute state */
pin->amp_num_steps++;
pin->amp_step_size++;
}
pin->amp_offset = LOLA_AMP_OFFSET(val);
err = lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val,
NULL);
if (err < 0) {
dev_err(chip->card->dev, "Can't get MAX_LEVEL 0x%x\n", nid);
return err;
}
pin->max_level = val & 0x3ff; /* 10 bits */
pin->config_default_reg = 0;
pin->fixed_gain_list_len = 0;
pin->cur_gain_step = 0;
return 0;
}
int lola_init_pins(struct lola *chip, int dir, int *nidp)
{
int i, err, nid;
nid = *nidp;
for (i = 0; i < chip->pin[dir].num_pins; i++, nid++) {
err = lola_init_pin(chip, &chip->pin[dir].pins[i], dir, nid);
if (err < 0)
return err;
if (chip->pin[dir].pins[i].is_analog)
chip->pin[dir].num_analog_pins++;
}
*nidp = nid;
return 0;
}
void lola_free_mixer(struct lola *chip)
{
vfree(chip->mixer.array_saved);
}
int lola_init_mixer_widget(struct lola *chip, int nid)
{
unsigned int val;
int err;
err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
if (err < 0) {
dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
return err;
}
if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
dev_dbg(chip->card->dev, "No valid mixer widget\n");
return 0;
}
chip->mixer.nid = nid;
chip->mixer.caps = val;
chip->mixer.array = (struct lola_mixer_array __iomem *)
(chip->bar[BAR1].remap_addr + LOLA_BAR1_SOURCE_GAIN_ENABLE);
/* reserve memory to copy mixer data for sleep mode transitions */
chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));
/* mixer matrix sources are physical input data and play streams */
chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;
chip->mixer.src_phys_ins = chip->pin[CAPT].num_pins;
/* mixer matrix destinations are record streams and physical output */
chip->mixer.dest_stream_ins = chip->pcm[CAPT].num_streams;
chip->mixer.dest_phys_outs = chip->pin[PLAY].num_pins;
/* mixer matrix may have unused areas between PhysIn and
* Play or Record and PhysOut zones
*/
chip->mixer.src_stream_out_ofs = chip->mixer.src_phys_ins +
LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(val);
chip->mixer.dest_phys_out_ofs = chip->mixer.dest_stream_ins +
LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(val);
/* example : MixerMatrix of LoLa881 (LoLa16161 uses unused zones)
* +-+ 0-------8------16-------8------16
* | | | | | | |
* |s| | INPUT | | INPUT | |
* | |->| -> |unused | -> |unused |
* |r| |CAPTURE| | OUTPUT| |
* | | | MIX | | MIX | |
* |c| 8--------------------------------
* | | | | | | |
* | | | | | | |
* |g| |unused |unused |unused |unused |
* | | | | | | |
* |a| | | | | |
* | | 16-------------------------------
* |i| | | | | |
* | | | PLAYBK| | PLAYBK| |
* |n|->| -> |unused | -> |unused |
* | | |CAPTURE| | OUTPUT| |
* | | | MIX | | MIX | |
* |a| 8--------------------------------
* |r| | | | | |
* |r| | | | | |
* |a| |unused |unused |unused |unused |
* |y| | | | | |
* | | | | | | |
* +++ 16--|---------------|------------
* +---V---------------V-----------+
* | dest_mix_gain_enable array |
* +-------------------------------+
*/
/* example : MixerMatrix of LoLa280
* +-+ 0-------8-2
* | | | | |
* |s| | INPUT | | INPUT
* |r|->| -> | | ->
* |c| |CAPTURE| | <- OUTPUT
* | | | MIX | | MIX
* |g| 8----------
* |a| | | |
* |i| | PLAYBK| | PLAYBACK
* |n|->| -> | | ->
* | | |CAPTURE| | <- OUTPUT
* |a| | MIX | | MIX
* |r| 8---|----|-
* |r| +---V----V-------------------+
* |a| | dest_mix_gain_enable array |
* |y| +----------------------------+
*/
if (chip->mixer.src_stream_out_ofs > MAX_AUDIO_INOUT_COUNT ||
chip->mixer.dest_phys_out_ofs > MAX_STREAM_IN_COUNT) {
dev_err(chip->card->dev, "Invalid mixer widget size\n");
return -EINVAL;
}
chip->mixer.src_mask = ((1U << chip->mixer.src_phys_ins) - 1) |
(((1U << chip->mixer.src_stream_outs) - 1)
<< chip->mixer.src_stream_out_ofs);
chip->mixer.dest_mask = ((1U << chip->mixer.dest_stream_ins) - 1) |
(((1U << chip->mixer.dest_phys_outs) - 1)
<< chip->mixer.dest_phys_out_ofs);
dev_dbg(chip->card->dev, "Mixer src_mask=%x, dest_mask=%x\n",
chip->mixer.src_mask, chip->mixer.dest_mask);
return 0;
}
static int lola_mixer_set_src_gain(struct lola *chip, unsigned int id,
unsigned short gain, bool on)
{
unsigned int oldval, val;
if (!(chip->mixer.src_mask & (1 << id)))
return -EINVAL;
oldval = val = readl(&chip->mixer.array->src_gain_enable);
if (on)
val |= (1 << id);
else
val &= ~(1 << id);
/* test if values unchanged */
if ((val == oldval) &&
(gain == readw(&chip->mixer.array->src_gain[id])))
return 0;
dev_dbg(chip->card->dev,
"lola_mixer_set_src_gain (id=%d, gain=%d) enable=%x\n",
id, gain, val);
writew(gain, &chip->mixer.array->src_gain[id]);
writel(val, &chip->mixer.array->src_gain_enable);
lola_codec_flush(chip);
/* inform micro-controller about the new source gain */
return lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_SOURCE_GAIN, id, 0);
}
#if 0 /* not used */
static int lola_mixer_set_src_gains(struct lola *chip, unsigned int mask,
unsigned short *gains)
{
int i;
if ((chip->mixer.src_mask & mask) != mask)
return -EINVAL;
for (i = 0; i < LOLA_MIXER_DIM; i++) {
if (mask & (1 << i)) {
writew(*gains, &chip->mixer.array->src_gain[i]);
gains++;
}
}
writel(mask, &chip->mixer.array->src_gain_enable);
lola_codec_flush(chip);
if (chip->mixer.caps & LOLA_PEAK_METER_CAN_AGC_MASK) {
/* update for all srcs at once */
return lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_SOURCE_GAIN, 0x80, 0);
}
/* update manually */
for (i = 0; i < LOLA_MIXER_DIM; i++) {
if (mask & (1 << i)) {
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_SOURCE_GAIN, i, 0);
}
}
return 0;
}
#endif /* not used */
static int lola_mixer_set_mapping_gain(struct lola *chip,
unsigned int src, unsigned int dest,
unsigned short gain, bool on)
{
unsigned int val;
if (!(chip->mixer.src_mask & (1 << src)) ||
!(chip->mixer.dest_mask & (1 << dest)))
return -EINVAL;
if (on)
writew(gain, &chip->mixer.array->dest_mix_gain[dest][src]);
val = readl(&chip->mixer.array->dest_mix_gain_enable[dest]);
if (on)
val |= (1 << src);
else
val &= ~(1 << src);
writel(val, &chip->mixer.array->dest_mix_gain_enable[dest]);
lola_codec_flush(chip);
return lola_codec_write(chip, chip->mixer.nid, LOLA_VERB_SET_MIX_GAIN,
src, dest);
}
#if 0 /* not used */
static int lola_mixer_set_dest_gains(struct lola *chip, unsigned int id,
unsigned int mask, unsigned short *gains)
{
int i;
if (!(chip->mixer.dest_mask & (1 << id)) ||
(chip->mixer.src_mask & mask) != mask)
return -EINVAL;
for (i = 0; i < LOLA_MIXER_DIM; i++) {
if (mask & (1 << i)) {
writew(*gains, &chip->mixer.array->dest_mix_gain[id][i]);
gains++;
}
}
writel(mask, &chip->mixer.array->dest_mix_gain_enable[id]);
lola_codec_flush(chip);
/* update for all dests at once */
return lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_DESTINATION_GAIN, id, 0);
}
#endif /* not used */
/*
*/
static int set_analog_volume(struct lola *chip, int dir,
unsigned int idx, unsigned int val,
bool external_call);
int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
{
struct lola_pin *pin;
int idx, max_idx;
pin = chip->pin[dir].pins;
max_idx = chip->pin[dir].num_pins;
for (idx = 0; idx < max_idx; idx++) {
if (pin[idx].is_analog) {
unsigned int val = mute ? 0 : pin[idx].cur_gain_step;
/* set volume and do not save the value */
set_analog_volume(chip, dir, idx, val, false);
}
}
return lola_codec_flush(chip);
}
void lola_save_mixer(struct lola *chip)
{
/* mute analog output */
if (chip->mixer.array_saved) {
/* store contents of mixer array */
memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
sizeof(*chip->mixer.array));
}
lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
}
void lola_restore_mixer(struct lola *chip)
{
int i;
/*lola_reset_setups(chip);*/
if (chip->mixer.array_saved) {
/* restore contents of mixer array */
memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
sizeof(*chip->mixer.array));
/* inform micro-controller about all restored values
* and ignore return values
*/
for (i = 0; i < chip->mixer.src_phys_ins; i++)
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_SOURCE_GAIN,
i, 0);
for (i = 0; i < chip->mixer.src_stream_outs; i++)
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_SOURCE_GAIN,
chip->mixer.src_stream_out_ofs + i, 0);
for (i = 0; i < chip->mixer.dest_stream_ins; i++)
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_DESTINATION_GAIN,
i, 0);
for (i = 0; i < chip->mixer.dest_phys_outs; i++)
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_DESTINATION_GAIN,
chip->mixer.dest_phys_out_ofs + i, 0);
lola_codec_flush(chip);
}
}
/*
*/
static int set_analog_volume(struct lola *chip, int dir,
unsigned int idx, unsigned int val,
bool external_call)
{
struct lola_pin *pin;
int err;
if (idx >= chip->pin[dir].num_pins)
return -EINVAL;
pin = &chip->pin[dir].pins[idx];
if (!pin->is_analog || pin->amp_num_steps <= val)
return -EINVAL;
if (external_call && pin->cur_gain_step == val)
return 0;
if (external_call)
lola_codec_flush(chip);
dev_dbg(chip->card->dev,
"set_analog_volume (dir=%d idx=%d, volume=%d)\n",
dir, idx, val);
err = lola_codec_write(chip, pin->nid,
LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
if (err < 0)
return err;
if (external_call)
pin->cur_gain_step = val;
return 0;
}
int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
{
int ret = 0;
int success = 0;
int n, err;
/* SRC can be activated and the dwInputSRCMask is valid? */
if ((chip->input_src_caps_mask & src_mask) != src_mask)
return -EINVAL;
/* handle all even Inputs - SRC is a stereo setting !!! */
for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
unsigned int mask = 3U << n; /* handle the stereo case */
unsigned int new_src, src_state;
if (!(chip->input_src_caps_mask & mask))
continue;
/* if one IO needs SRC, both stereo IO will get SRC */
new_src = (src_mask & mask) != 0;
if (update) {
src_state = (chip->input_src_mask & mask) != 0;
if (src_state == new_src)
continue; /* nothing to change for this IO */
}
err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
LOLA_VERB_SET_SRC, new_src, 0);
if (!err)
success++;
else
ret = err;
}
if (success)
ret = lola_codec_flush(chip);
if (!ret)
chip->input_src_mask = src_mask;
return ret;
}
/*
*/
static int init_mixer_values(struct lola *chip)
{
int i;
/* all sample rate converters on */
lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
/* clear all mixer matrix settings */
memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
/* inform firmware about all updated matrix columns - capture part */
for (i = 0; i < chip->mixer.dest_stream_ins; i++)
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_DESTINATION_GAIN,
i, 0);
/* inform firmware about all updated matrix columns - output part */
for (i = 0; i < chip->mixer.dest_phys_outs; i++)
lola_codec_write(chip, chip->mixer.nid,
LOLA_VERB_SET_DESTINATION_GAIN,
chip->mixer.dest_phys_out_ofs + i, 0);
/* set all digital input source (master) gains to 0dB */
for (i = 0; i < chip->mixer.src_phys_ins; i++)
lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
/* set all digital playback source (master) gains to 0dB */
for (i = 0; i < chip->mixer.src_stream_outs; i++)
lola_mixer_set_src_gain(chip,
i + chip->mixer.src_stream_out_ofs,
336, true); /* 0dB */
/* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
int src = i % chip->mixer.src_phys_ins;
lola_mixer_set_mapping_gain(chip, src, i, 336, true);
}
/* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
* (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
* (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
*/
for (i = 0; i < chip->mixer.src_stream_outs; i++) {
int src = chip->mixer.src_stream_out_ofs + i;
int dst = chip->mixer.dest_phys_out_ofs +
i % chip->mixer.dest_phys_outs;
lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
}
return 0;
}
/*
* analog mixer control element
*/
static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
int dir = kcontrol->private_value;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = chip->pin[dir].num_pins;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
return 0;
}
static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
int dir = kcontrol->private_value;
int i;
for (i = 0; i < chip->pin[dir].num_pins; i++)
ucontrol->value.integer.value[i] =
chip->pin[dir].pins[i].cur_gain_step;
return 0;
}
static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
int dir = kcontrol->private_value;
int i, err;
for (i = 0; i < chip->pin[dir].num_pins; i++) {
err = set_analog_volume(chip, dir, i,
ucontrol->value.integer.value[i],
true);
if (err < 0)
return err;
}
return 0;
}
static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *tlv)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
int dir = kcontrol->private_value;
unsigned int val1, val2;
struct lola_pin *pin;
if (size < 4 * sizeof(unsigned int))
return -ENOMEM;
pin = &chip->pin[dir].pins[0];
val2 = pin->amp_step_size * 25;
val1 = -1 * (int)pin->amp_offset * (int)val2;
#ifdef TLV_DB_SCALE_MUTE
val2 |= TLV_DB_SCALE_MUTE;
#endif
if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
return -EFAULT;
if (put_user(2 * sizeof(unsigned int), tlv + 1))
return -EFAULT;
if (put_user(val1, tlv + 2))
return -EFAULT;
if (put_user(val2, tlv + 3))
return -EFAULT;
return 0;
}
static struct snd_kcontrol_new lola_analog_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
.info = lola_analog_vol_info,
.get = lola_analog_vol_get,
.put = lola_analog_vol_put,
.tlv.c = lola_analog_vol_tlv,
};
static int create_analog_mixer(struct lola *chip, int dir, char *name)
{
if (!chip->pin[dir].num_pins)
return 0;
/* no analog volumes on digital only adapters */
if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
return 0;
lola_analog_mixer.name = name;
lola_analog_mixer.private_value = dir;
return snd_ctl_add(chip->card,
snd_ctl_new1(&lola_analog_mixer, chip));
}
/*
* Hardware sample rate converter on digital input
*/
static int lola_input_src_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = chip->pin[CAPT].num_pins;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
return 0;
}
static int lola_input_src_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
int i;
for (i = 0; i < chip->pin[CAPT].num_pins; i++)
ucontrol->value.integer.value[i] =
!!(chip->input_src_mask & (1 << i));
return 0;
}
static int lola_input_src_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
int i;
unsigned int mask;
mask = 0;
for (i = 0; i < chip->pin[CAPT].num_pins; i++)
if (ucontrol->value.integer.value[i])
mask |= 1 << i;
return lola_set_src_config(chip, mask, true);
}
static struct snd_kcontrol_new lola_input_src_mixer = {
.name = "Digital SRC Capture Switch",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = lola_input_src_info,
.get = lola_input_src_get,
.put = lola_input_src_put,
};
/*
* Lola16161 or Lola881 can have Hardware sample rate converters
* on its digital input pins
*/
static int create_input_src_mixer(struct lola *chip)
{
if (!chip->input_src_caps_mask)
return 0;
return snd_ctl_add(chip->card,
snd_ctl_new1(&lola_input_src_mixer, chip));
}
/*
* src gain mixer
*/
static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
unsigned int count = (kcontrol->private_value >> 8) & 0xff;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = count;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 409;
return 0;
}
static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
unsigned int ofs = kcontrol->private_value & 0xff;
unsigned int count = (kcontrol->private_value >> 8) & 0xff;
unsigned int mask, i;
mask = readl(&chip->mixer.array->src_gain_enable);
for (i = 0; i < count; i++) {
unsigned int idx = ofs + i;
unsigned short val;
if (!(chip->mixer.src_mask & (1 << idx)))
return -EINVAL;
if (mask & (1 << idx))
val = readw(&chip->mixer.array->src_gain[idx]) + 1;
else
val = 0;
ucontrol->value.integer.value[i] = val;
}
return 0;
}
static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
unsigned int ofs = kcontrol->private_value & 0xff;
unsigned int count = (kcontrol->private_value >> 8) & 0xff;
int i, err;
for (i = 0; i < count; i++) {
unsigned int idx = ofs + i;
unsigned short val = ucontrol->value.integer.value[i];
if (val)
val--;
err = lola_mixer_set_src_gain(chip, idx, val, !!val);
if (err < 0)
return err;
}
return 0;
}
/* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
static struct snd_kcontrol_new lola_src_gain_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = lola_src_gain_info,
.get = lola_src_gain_get,
.put = lola_src_gain_put,
.tlv.p = lola_src_gain_tlv,
};
static int create_src_gain_mixer(struct lola *chip,
int num, int ofs, char *name)
{
lola_src_gain_mixer.name = name;
lola_src_gain_mixer.private_value = ofs + (num << 8);
return snd_ctl_add(chip->card,
snd_ctl_new1(&lola_src_gain_mixer, chip));
}
#if 0 /* not used */
/*
* destination gain (matrix-like) mixer
*/
static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = src_num;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 433;
return 0;
}
static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
unsigned int src_ofs = kcontrol->private_value & 0xff;
unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
unsigned int dst, mask, i;
dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
for (i = 0; i < src_num; i++) {
unsigned int src = src_ofs + i;
unsigned short val;
if (!(chip->mixer.src_mask & (1 << src)))
return -EINVAL;
if (mask & (1 << dst))
val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
else
val = 0;
ucontrol->value.integer.value[i] = val;
}
return 0;
}
static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct lola *chip = snd_kcontrol_chip(kcontrol);
unsigned int src_ofs = kcontrol->private_value & 0xff;
unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
unsigned int dst, mask;
unsigned short gains[MAX_STREAM_COUNT];
int i, num;
mask = 0;
num = 0;
for (i = 0; i < src_num; i++) {
unsigned short val = ucontrol->value.integer.value[i];
if (val) {
gains[num++] = val - 1;
mask |= 1 << i;
}
}
mask <<= src_ofs;
dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
return lola_mixer_set_dest_gains(chip, dst, mask, gains);
}
static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
static struct snd_kcontrol_new lola_dest_gain_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = lola_dest_gain_info,
.get = lola_dest_gain_get,
.put = lola_dest_gain_put,
.tlv.p = lola_dest_gain_tlv,
};
static int create_dest_gain_mixer(struct lola *chip,
int src_num, int src_ofs,
int num, int ofs, char *name)
{
lola_dest_gain_mixer.count = num;
lola_dest_gain_mixer.name = name;
lola_dest_gain_mixer.private_value =
src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
return snd_ctl_add(chip->card,
snd_ctl_new1(&lola_dest_gain_mixer, chip));
}
#endif /* not used */
/*
*/
int lola_create_mixer(struct lola *chip)
{
int err;
err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
if (err < 0)
return err;
err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
if (err < 0)
return err;
err = create_input_src_mixer(chip);
if (err < 0)
return err;
err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
"Digital Capture Volume");
if (err < 0)
return err;
err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
chip->mixer.src_stream_out_ofs,
"Digital Playback Volume");
if (err < 0)
return err;
#if 0
/* FIXME: buggy mixer matrix handling */
err = create_dest_gain_mixer(chip,
chip->mixer.src_phys_ins, 0,
chip->mixer.dest_stream_ins, 0,
"Line Capture Volume");
if (err < 0)
return err;
err = create_dest_gain_mixer(chip,
chip->mixer.src_stream_outs,
chip->mixer.src_stream_out_ofs,
chip->mixer.dest_stream_ins, 0,
"Stream-Loopback Capture Volume");
if (err < 0)
return err;
err = create_dest_gain_mixer(chip,
chip->mixer.src_phys_ins, 0,
chip->mixer.dest_phys_outs,
chip->mixer.dest_phys_out_ofs,
"Line-Loopback Playback Volume");
if (err < 0)
return err;
err = create_dest_gain_mixer(chip,
chip->mixer.src_stream_outs,
chip->mixer.src_stream_out_ofs,
chip->mixer.dest_phys_outs,
chip->mixer.dest_phys_out_ofs,
"Stream Playback Volume");
if (err < 0)
return err;
#endif /* FIXME */
return init_mixer_values(chip);
}