// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2022 Intel Corporation
//
//
#include "sof-priv.h"
#include "sof-audio.h"
#include "ipc4-priv.h"
#include "ipc4-topology.h"
static int sof_ipc4_set_get_kcontrol_data(struct snd_sof_control *scontrol,
bool set, bool lock)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
const struct sof_ipc_ops *iops = sdev->ipc->ops;
struct sof_ipc4_msg *msg = &cdata->msg;
struct snd_sof_widget *swidget;
bool widget_found = false;
int ret = 0;
/* find widget associated with the control */
list_for_each_entry(swidget, &sdev->widget_list, list) {
if (swidget->comp_id == scontrol->comp_id) {
widget_found = true;
break;
}
}
if (!widget_found) {
dev_err(scomp->dev, "Failed to find widget for kcontrol %s\n", scontrol->name);
return -ENOENT;
}
if (lock)
mutex_lock(&swidget->setup_mutex);
else
lockdep_assert_held(&swidget->setup_mutex);
/*
* Volatile controls should always be part of static pipelines and the
* widget use_count would always be > 0 in this case. For the others,
* just return the cached value if the widget is not set up.
*/
if (!swidget->use_count)
goto unlock;
msg->primary &= ~SOF_IPC4_MOD_INSTANCE_MASK;
msg->primary |= SOF_IPC4_MOD_INSTANCE(swidget->instance_id);
ret = iops->set_get_data(sdev, msg, msg->data_size, set);
if (!set)
goto unlock;
/* It is a set-data operation, and we have a valid backup that we can restore */
if (ret < 0) {
if (!scontrol->old_ipc_control_data)
goto unlock;
/*
* Current ipc_control_data is not valid, we use the last known good
* configuration
*/
memcpy(scontrol->ipc_control_data, scontrol->old_ipc_control_data,
scontrol->max_size);
kfree(scontrol->old_ipc_control_data);
scontrol->old_ipc_control_data = NULL;
/* Send the last known good configuration to firmware */
ret = iops->set_get_data(sdev, msg, msg->data_size, set);
if (ret < 0)
goto unlock;
}
unlock:
if (lock)
mutex_unlock(&swidget->setup_mutex);
return ret;
}
static int
sof_ipc4_set_volume_data(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
struct snd_sof_control *scontrol, bool lock)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct sof_ipc4_gain *gain = swidget->private;
struct sof_ipc4_msg *msg = &cdata->msg;
struct sof_ipc4_gain_params params;
bool all_channels_equal = true;
u32 value;
int ret, i;
/* check if all channel values are equal */
value = cdata->chanv[0].value;
for (i = 1; i < scontrol->num_channels; i++) {
if (cdata->chanv[i].value != value) {
all_channels_equal = false;
break;
}
}
/*
* notify DSP with a single IPC message if all channel values are equal. Otherwise send
* a separate IPC for each channel.
*/
for (i = 0; i < scontrol->num_channels; i++) {
if (all_channels_equal) {
params.channels = SOF_IPC4_GAIN_ALL_CHANNELS_MASK;
params.init_val = cdata->chanv[0].value;
} else {
params.channels = cdata->chanv[i].channel;
params.init_val = cdata->chanv[i].value;
}
/* set curve type and duration from topology */
params.curve_duration_l = gain->data.params.curve_duration_l;
params.curve_duration_h = gain->data.params.curve_duration_h;
params.curve_type = gain->data.params.curve_type;
msg->data_ptr = ¶ms;
msg->data_size = sizeof(params);
ret = sof_ipc4_set_get_kcontrol_data(scontrol, true, lock);
msg->data_ptr = NULL;
msg->data_size = 0;
if (ret < 0) {
dev_err(sdev->dev, "Failed to set volume update for %s\n",
scontrol->name);
return ret;
}
if (all_channels_equal)
break;
}
return 0;
}
static bool sof_ipc4_volume_put(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
unsigned int channels = scontrol->num_channels;
struct snd_sof_widget *swidget;
bool widget_found = false;
bool change = false;
unsigned int i;
int ret;
/* update each channel */
for (i = 0; i < channels; i++) {
u32 value = mixer_to_ipc(ucontrol->value.integer.value[i],
scontrol->volume_table, scontrol->max + 1);
change = change || (value != cdata->chanv[i].value);
cdata->chanv[i].channel = i;
cdata->chanv[i].value = value;
}
if (!pm_runtime_active(scomp->dev))
return change;
/* find widget associated with the control */
list_for_each_entry(swidget, &sdev->widget_list, list) {
if (swidget->comp_id == scontrol->comp_id) {
widget_found = true;
break;
}
}
if (!widget_found) {
dev_err(scomp->dev, "Failed to find widget for kcontrol %s\n", scontrol->name);
return false;
}
ret = sof_ipc4_set_volume_data(sdev, swidget, scontrol, true);
if (ret < 0)
return false;
return change;
}
static int sof_ipc4_volume_get(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
unsigned int channels = scontrol->num_channels;
unsigned int i;
for (i = 0; i < channels; i++)
ucontrol->value.integer.value[i] = ipc_to_mixer(cdata->chanv[i].value,
scontrol->volume_table,
scontrol->max + 1);
return 0;
}
static int
sof_ipc4_set_generic_control_data(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
struct snd_sof_control *scontrol, bool lock)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct sof_ipc4_control_msg_payload *data;
struct sof_ipc4_msg *msg = &cdata->msg;
size_t data_size;
unsigned int i;
int ret;
data_size = struct_size(data, chanv, scontrol->num_channels);
data = kzalloc(data_size, GFP_KERNEL);
if (!data)
return -ENOMEM;
data->id = cdata->index;
data->num_elems = scontrol->num_channels;
for (i = 0; i < scontrol->num_channels; i++) {
data->chanv[i].channel = cdata->chanv[i].channel;
data->chanv[i].value = cdata->chanv[i].value;
}
msg->data_ptr = data;
msg->data_size = data_size;
ret = sof_ipc4_set_get_kcontrol_data(scontrol, true, lock);
msg->data_ptr = NULL;
msg->data_size = 0;
if (ret < 0)
dev_err(sdev->dev, "Failed to set control update for %s\n",
scontrol->name);
kfree(data);
return ret;
}
static void sof_ipc4_refresh_generic_control(struct snd_sof_control *scontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct sof_ipc4_control_msg_payload *data;
struct sof_ipc4_msg *msg = &cdata->msg;
size_t data_size;
unsigned int i;
int ret;
if (!scontrol->comp_data_dirty)
return;
if (!pm_runtime_active(scomp->dev))
return;
data_size = struct_size(data, chanv, scontrol->num_channels);
data = kmalloc(data_size, GFP_KERNEL);
if (!data)
return;
data->id = cdata->index;
data->num_elems = scontrol->num_channels;
msg->data_ptr = data;
msg->data_size = data_size;
scontrol->comp_data_dirty = false;
ret = sof_ipc4_set_get_kcontrol_data(scontrol, false, true);
msg->data_ptr = NULL;
msg->data_size = 0;
if (!ret) {
for (i = 0; i < scontrol->num_channels; i++) {
cdata->chanv[i].channel = data->chanv[i].channel;
cdata->chanv[i].value = data->chanv[i].value;
}
} else {
dev_err(scomp->dev, "Failed to read control data for %s\n",
scontrol->name);
scontrol->comp_data_dirty = true;
}
kfree(data);
}
static bool sof_ipc4_switch_put(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_sof_widget *swidget;
bool widget_found = false;
bool change = false;
unsigned int i;
u32 value;
int ret;
/* update each channel */
for (i = 0; i < scontrol->num_channels; i++) {
value = ucontrol->value.integer.value[i];
change = change || (value != cdata->chanv[i].value);
cdata->chanv[i].channel = i;
cdata->chanv[i].value = value;
}
if (!pm_runtime_active(scomp->dev))
return change;
/* find widget associated with the control */
list_for_each_entry(swidget, &sdev->widget_list, list) {
if (swidget->comp_id == scontrol->comp_id) {
widget_found = true;
break;
}
}
if (!widget_found) {
dev_err(scomp->dev, "Failed to find widget for kcontrol %s\n", scontrol->name);
return false;
}
ret = sof_ipc4_set_generic_control_data(sdev, swidget, scontrol, true);
if (ret < 0)
return false;
return change;
}
static int sof_ipc4_switch_get(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
unsigned int i;
sof_ipc4_refresh_generic_control(scontrol);
/* read back each channel */
for (i = 0; i < scontrol->num_channels; i++)
ucontrol->value.integer.value[i] = cdata->chanv[i].value;
return 0;
}
static bool sof_ipc4_enum_put(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct snd_sof_widget *swidget;
bool widget_found = false;
bool change = false;
unsigned int i;
u32 value;
int ret;
/* update each channel */
for (i = 0; i < scontrol->num_channels; i++) {
value = ucontrol->value.enumerated.item[i];
change = change || (value != cdata->chanv[i].value);
cdata->chanv[i].channel = i;
cdata->chanv[i].value = value;
}
if (!pm_runtime_active(scomp->dev))
return change;
/* find widget associated with the control */
list_for_each_entry(swidget, &sdev->widget_list, list) {
if (swidget->comp_id == scontrol->comp_id) {
widget_found = true;
break;
}
}
if (!widget_found) {
dev_err(scomp->dev, "Failed to find widget for kcontrol %s\n", scontrol->name);
return false;
}
ret = sof_ipc4_set_generic_control_data(sdev, swidget, scontrol, true);
if (ret < 0)
return false;
return change;
}
static int sof_ipc4_enum_get(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
unsigned int i;
sof_ipc4_refresh_generic_control(scontrol);
/* read back each channel */
for (i = 0; i < scontrol->num_channels; i++)
ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
return 0;
}
static int sof_ipc4_set_get_bytes_data(struct snd_sof_dev *sdev,
struct snd_sof_control *scontrol,
bool set, bool lock)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct sof_abi_hdr *data = cdata->data;
struct sof_ipc4_msg *msg = &cdata->msg;
int ret = 0;
/* Send the new data to the firmware only if it is powered up */
if (set && !pm_runtime_active(sdev->dev))
return 0;
msg->extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(data->type);
msg->data_ptr = data->data;
msg->data_size = data->size;
ret = sof_ipc4_set_get_kcontrol_data(scontrol, set, lock);
if (ret < 0)
dev_err(sdev->dev, "Failed to %s for %s\n",
set ? "set bytes update" : "get bytes",
scontrol->name);
msg->data_ptr = NULL;
msg->data_size = 0;
return ret;
}
static int sof_ipc4_bytes_put(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct sof_abi_hdr *data = cdata->data;
size_t size;
if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) {
dev_err_ratelimited(scomp->dev,
"data max %zu exceeds ucontrol data array size\n",
scontrol->max_size);
return -EINVAL;
}
/* scontrol->max_size has been verified to be >= sizeof(struct sof_abi_hdr) */
if (data->size > scontrol->max_size - sizeof(*data)) {
dev_err_ratelimited(scomp->dev,
"data size too big %u bytes max is %zu\n",
data->size, scontrol->max_size - sizeof(*data));
return -EINVAL;
}
size = data->size + sizeof(*data);
/* copy from kcontrol */
memcpy(data, ucontrol->value.bytes.data, size);
sof_ipc4_set_get_bytes_data(sdev, scontrol, true, true);
return 0;
}
static int sof_ipc4_bytes_get(struct snd_sof_control *scontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct sof_abi_hdr *data = cdata->data;
size_t size;
if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) {
dev_err_ratelimited(scomp->dev, "data max %zu exceeds ucontrol data array size\n",
scontrol->max_size);
return -EINVAL;
}
if (data->size > scontrol->max_size - sizeof(*data)) {
dev_err_ratelimited(scomp->dev,
"%u bytes of control data is invalid, max is %zu\n",
data->size, scontrol->max_size - sizeof(*data));
return -EINVAL;
}
size = data->size + sizeof(*data);
/* copy back to kcontrol */
memcpy(ucontrol->value.bytes.data, data, size);
return 0;
}
static int sof_ipc4_bytes_ext_put(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data,
unsigned int size)
{
struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data;
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
struct sof_abi_hdr *data = cdata->data;
struct sof_abi_hdr abi_hdr;
struct snd_ctl_tlv header;
/*
* The beginning of bytes data contains a header from where
* the length (as bytes) is needed to know the correct copy
* length of data from tlvd->tlv.
*/
if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv)))
return -EFAULT;
/* make sure TLV info is consistent */
if (header.length + sizeof(struct snd_ctl_tlv) > size) {
dev_err_ratelimited(scomp->dev,
"Inconsistent TLV, data %d + header %zu > %d\n",
header.length, sizeof(struct snd_ctl_tlv), size);
return -EINVAL;
}
/* be->max is coming from topology */
if (header.length > scontrol->max_size) {
dev_err_ratelimited(scomp->dev,
"Bytes data size %d exceeds max %zu\n",
header.length, scontrol->max_size);
return -EINVAL;
}
/* Verify the ABI header first */
if (copy_from_user(&abi_hdr, tlvd->tlv, sizeof(abi_hdr)))
return -EFAULT;
if (abi_hdr.magic != SOF_IPC4_ABI_MAGIC) {
dev_err_ratelimited(scomp->dev, "Wrong ABI magic 0x%08x\n",
abi_hdr.magic);
return -EINVAL;
}
if (abi_hdr.size > scontrol->max_size - sizeof(abi_hdr)) {
dev_err_ratelimited(scomp->dev,
"%u bytes of control data is invalid, max is %zu\n",
abi_hdr.size, scontrol->max_size - sizeof(abi_hdr));
return -EINVAL;
}
if (!scontrol->old_ipc_control_data) {
/* Create a backup of the current, valid bytes control */
scontrol->old_ipc_control_data = kmemdup(scontrol->ipc_control_data,
scontrol->max_size, GFP_KERNEL);
if (!scontrol->old_ipc_control_data)
return -ENOMEM;
}
/* Copy the whole binary data which includes the ABI header and the payload */
if (copy_from_user(data, tlvd->tlv, header.length)) {
memcpy(scontrol->ipc_control_data, scontrol->old_ipc_control_data,
scontrol->max_size);
kfree(scontrol->old_ipc_control_data);
scontrol->old_ipc_control_data = NULL;
return -EFAULT;
}
return sof_ipc4_set_get_bytes_data(sdev, scontrol, true, true);
}
static int _sof_ipc4_bytes_ext_get(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data,
unsigned int size, bool from_dsp)
{
struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data;
struct sof_ipc4_control_data *cdata = scontrol->ipc_control_data;
struct snd_soc_component *scomp = scontrol->scomp;
struct sof_abi_hdr *data = cdata->data;
struct snd_ctl_tlv header;
size_t data_size;
/*
* Decrement the limit by ext bytes header size to ensure the user space
* buffer is not exceeded.
*/
if (size < sizeof(struct snd_ctl_tlv))
return -ENOSPC;
size -= sizeof(struct snd_ctl_tlv);
/* get all the component data from DSP */
if (from_dsp) {
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
int ret = sof_ipc4_set_get_bytes_data(sdev, scontrol, false, true);
if (ret < 0)
return ret;
/* Set the ABI magic (if the control is not initialized) */
data->magic = SOF_IPC4_ABI_MAGIC;
}
if (data->size > scontrol->max_size - sizeof(*data)) {
dev_err_ratelimited(scomp->dev,
"%u bytes of control data is invalid, max is %zu\n",
data->size, scontrol->max_size - sizeof(*data));
return -EINVAL;
}
data_size = data->size + sizeof(struct sof_abi_hdr);
/* make sure we don't exceed size provided by user space for data */
if (data_size > size)
return -ENOSPC;
header.numid = scontrol->comp_id;
header.length = data_size;
if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
return -EFAULT;
if (copy_to_user(tlvd->tlv, data, data_size))
return -EFAULT;
return 0;
}
static int sof_ipc4_bytes_ext_get(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data,
unsigned int size)
{
return _sof_ipc4_bytes_ext_get(scontrol, binary_data, size, false);
}
static int sof_ipc4_bytes_ext_volatile_get(struct snd_sof_control *scontrol,
const unsigned int __user *binary_data,
unsigned int size)
{
return _sof_ipc4_bytes_ext_get(scontrol, binary_data, size, true);
}
static int
sof_ipc4_volsw_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget,
struct snd_sof_control *scontrol)
{
if (scontrol->max == 1)
return sof_ipc4_set_generic_control_data(sdev, swidget, scontrol, false);
return sof_ipc4_set_volume_data(sdev, swidget, scontrol, false);
}
#define PARAM_ID_FROM_EXTENSION(_ext) (((_ext) & SOF_IPC4_MOD_EXT_MSG_PARAM_ID_MASK) \
>> SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT)
static void sof_ipc4_control_update(struct snd_sof_dev *sdev, void *ipc_message)
{
struct sof_ipc4_msg *ipc4_msg = ipc_message;
struct sof_ipc4_notify_module_data *ndata = ipc4_msg->data_ptr;
struct sof_ipc4_control_msg_payload *msg_data;
struct sof_ipc4_control_data *cdata;
struct snd_soc_dapm_widget *widget;
struct snd_sof_control *scontrol;
struct snd_sof_widget *swidget;
struct snd_kcontrol *kc = NULL;
bool scontrol_found = false;
u32 event_param_id;
int i, type;
if (ndata->event_data_size < sizeof(*msg_data)) {
dev_err(sdev->dev,
"%s: Invalid event data size for module %u.%u: %u\n",
__func__, ndata->module_id, ndata->instance_id,
ndata->event_data_size);
return;
}
event_param_id = ndata->event_id & SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_PARAMID_MASK;
switch (event_param_id) {
case SOF_IPC4_SWITCH_CONTROL_PARAM_ID:
type = SND_SOC_TPLG_TYPE_MIXER;
break;
case SOF_IPC4_ENUM_CONTROL_PARAM_ID:
type = SND_SOC_TPLG_TYPE_ENUM;
break;
default:
dev_err(sdev->dev,
"%s: Invalid control type for module %u.%u: %u\n",
__func__, ndata->module_id, ndata->instance_id,
event_param_id);
return;
}
/* Find the swidget based on ndata->module_id and ndata->instance_id */
swidget = sof_ipc4_find_swidget_by_ids(sdev, ndata->module_id,
ndata->instance_id);
if (!swidget) {
dev_err(sdev->dev, "%s: Failed to find widget for module %u.%u\n",
__func__, ndata->module_id, ndata->instance_id);
return;
}
/* Find the scontrol which is the source of the notification */
msg_data = (struct sof_ipc4_control_msg_payload *)ndata->event_data;
list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
if (scontrol->comp_id == swidget->comp_id) {
u32 local_param_id;
cdata = scontrol->ipc_control_data;
/*
* The scontrol's param_id is stored in the IPC message
* template's extension
*/
local_param_id = PARAM_ID_FROM_EXTENSION(cdata->msg.extension);
if (local_param_id == event_param_id &&
msg_data->id == cdata->index) {
scontrol_found = true;
break;
}
}
}
if (!scontrol_found) {
dev_err(sdev->dev,
"%s: Failed to find control on widget %s: %u:%u\n",
__func__, swidget->widget->name, ndata->event_id & 0xffff,
msg_data->id);
return;
}
if (msg_data->num_elems) {
/*
* The message includes the updated value/data, update the
* control's local cache using the received notification
*/
for (i = 0; i < msg_data->num_elems; i++) {
u32 channel = msg_data->chanv[i].channel;
if (channel >= scontrol->num_channels) {
dev_warn(sdev->dev,
"Invalid channel index for %s: %u\n",
scontrol->name, i);
/*
* Mark the scontrol as dirty to force a refresh
* on next read
*/
scontrol->comp_data_dirty = true;
break;
}
cdata->chanv[channel].value = msg_data->chanv[i].value;
}
} else {
/*
* Mark the scontrol as dirty because the value/data is changed
* in firmware, forcing a refresh on next read access
*/
scontrol->comp_data_dirty = true;
}
/*
* Look up the ALSA kcontrol of the scontrol to be able to send a
* notification to user space
*/
widget = swidget->widget;
for (i = 0; i < widget->num_kcontrols; i++) {
/* skip non matching types or non matching indexes within type */
if (widget->dobj.widget.kcontrol_type[i] == type &&
widget->kcontrol_news[i].index == cdata->index) {
kc = widget->kcontrols[i];
break;
}
}
if (!kc)
return;
snd_ctl_notify_one(swidget->scomp->card->snd_card,
SNDRV_CTL_EVENT_MASK_VALUE, kc, 0);
}
/* set up all controls for the widget */
static int sof_ipc4_widget_kcontrol_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
{
struct snd_sof_control *scontrol;
int ret = 0;
list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
if (scontrol->comp_id == swidget->comp_id) {
switch (scontrol->info_type) {
case SND_SOC_TPLG_CTL_VOLSW:
case SND_SOC_TPLG_CTL_VOLSW_SX:
case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
ret = sof_ipc4_volsw_setup(sdev, swidget, scontrol);
break;
case SND_SOC_TPLG_CTL_BYTES:
ret = sof_ipc4_set_get_bytes_data(sdev, scontrol,
true, false);
break;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
ret = sof_ipc4_set_generic_control_data(sdev, swidget,
scontrol, false);
break;
default:
break;
}
if (ret < 0) {
dev_err(sdev->dev,
"kcontrol %d set up failed for widget %s\n",
scontrol->comp_id, swidget->widget->name);
return ret;
}
}
}
return 0;
}
static int
sof_ipc4_set_up_volume_table(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], int size)
{
int i;
/* init the volume table */
scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
if (!scontrol->volume_table)
return -ENOMEM;
/* populate the volume table */
for (i = 0; i < size ; i++) {
u32 val = vol_compute_gain(i, tlv);
u64 q31val = ((u64)val) << 15; /* Can be over Q1.31, need to saturate */
scontrol->volume_table[i] = q31val > SOF_IPC4_VOL_ZERO_DB ?
SOF_IPC4_VOL_ZERO_DB : q31val;
}
return 0;
}
const struct sof_ipc_tplg_control_ops tplg_ipc4_control_ops = {
.volume_put = sof_ipc4_volume_put,
.volume_get = sof_ipc4_volume_get,
.switch_put = sof_ipc4_switch_put,
.switch_get = sof_ipc4_switch_get,
.enum_put = sof_ipc4_enum_put,
.enum_get = sof_ipc4_enum_get,
.bytes_put = sof_ipc4_bytes_put,
.bytes_get = sof_ipc4_bytes_get,
.bytes_ext_put = sof_ipc4_bytes_ext_put,
.bytes_ext_get = sof_ipc4_bytes_ext_get,
.bytes_ext_volatile_get = sof_ipc4_bytes_ext_volatile_get,
.update = sof_ipc4_control_update,
.widget_kcontrol_setup = sof_ipc4_widget_kcontrol_setup,
.set_up_volume_table = sof_ipc4_set_up_volume_table,
};
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