595 lines
16 KiB
C
595 lines
16 KiB
C
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2021 Intel Corporation. All rights reserved.
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//
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//
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#include "sof-priv.h"
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#include "sof-audio.h"
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#include "ipc3-ops.h"
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static inline u32 mixer_to_ipc(unsigned int value, u32 *volume_map, int size)
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{
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if (value >= size)
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return volume_map[size - 1];
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return volume_map[value];
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}
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static inline u32 ipc_to_mixer(u32 value, u32 *volume_map, int size)
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{
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int i;
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for (i = 0; i < size; i++) {
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if (volume_map[i] >= value)
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return i;
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}
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return i - 1;
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}
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static void snd_sof_refresh_control(struct snd_sof_control *scontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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int ret;
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if (!scontrol->comp_data_dirty)
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return;
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if (!pm_runtime_active(scomp->dev))
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return;
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/* set the ABI header values */
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cdata->data->magic = SOF_ABI_MAGIC;
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cdata->data->abi = SOF_ABI_VERSION;
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/* refresh the component data from DSP */
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scontrol->comp_data_dirty = false;
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ret = snd_sof_ipc_set_get_comp_data(scontrol, false);
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if (ret < 0) {
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dev_err(scomp->dev, "Failed to get control data: %d\n", ret);
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/* Set the flag to re-try next time to get the data */
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scontrol->comp_data_dirty = true;
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}
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}
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static int sof_ipc3_volume_get(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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unsigned int channels = scontrol->num_channels;
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unsigned int i;
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snd_sof_refresh_control(scontrol);
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/* read back each channel */
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for (i = 0; i < channels; i++)
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ucontrol->value.integer.value[i] = ipc_to_mixer(cdata->chanv[i].value,
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scontrol->volume_table,
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scontrol->max + 1);
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return 0;
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}
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static bool sof_ipc3_volume_put(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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unsigned int channels = scontrol->num_channels;
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unsigned int i;
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bool change = false;
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/* update each channel */
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for (i = 0; i < channels; i++) {
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u32 value = mixer_to_ipc(ucontrol->value.integer.value[i],
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scontrol->volume_table, scontrol->max + 1);
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change = change || (value != cdata->chanv[i].value);
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cdata->chanv[i].channel = i;
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cdata->chanv[i].value = value;
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}
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/* notify DSP of mixer updates */
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if (pm_runtime_active(scomp->dev)) {
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int ret = snd_sof_ipc_set_get_comp_data(scontrol, true);
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if (ret < 0) {
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dev_err(scomp->dev, "Failed to set mixer updates for %s\n",
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scontrol->name);
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return false;
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}
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}
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return change;
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}
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static int sof_ipc3_switch_get(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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unsigned int channels = scontrol->num_channels;
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unsigned int i;
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snd_sof_refresh_control(scontrol);
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/* read back each channel */
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for (i = 0; i < channels; i++)
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ucontrol->value.integer.value[i] = cdata->chanv[i].value;
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return 0;
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}
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static bool sof_ipc3_switch_put(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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unsigned int channels = scontrol->num_channels;
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unsigned int i;
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bool change = false;
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u32 value;
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/* update each channel */
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for (i = 0; i < channels; i++) {
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value = ucontrol->value.integer.value[i];
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change = change || (value != cdata->chanv[i].value);
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cdata->chanv[i].channel = i;
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cdata->chanv[i].value = value;
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}
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/* notify DSP of mixer updates */
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if (pm_runtime_active(scomp->dev)) {
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int ret = snd_sof_ipc_set_get_comp_data(scontrol, true);
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if (ret < 0) {
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dev_err(scomp->dev, "Failed to set mixer updates for %s\n",
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scontrol->name);
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return false;
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}
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}
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return change;
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}
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static int sof_ipc3_enum_get(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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unsigned int channels = scontrol->num_channels;
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unsigned int i;
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snd_sof_refresh_control(scontrol);
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/* read back each channel */
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for (i = 0; i < channels; i++)
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ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
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return 0;
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}
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static bool sof_ipc3_enum_put(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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unsigned int channels = scontrol->num_channels;
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unsigned int i;
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bool change = false;
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u32 value;
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/* update each channel */
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for (i = 0; i < channels; i++) {
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value = ucontrol->value.enumerated.item[i];
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change = change || (value != cdata->chanv[i].value);
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cdata->chanv[i].channel = i;
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cdata->chanv[i].value = value;
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}
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/* notify DSP of enum updates */
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if (pm_runtime_active(scomp->dev)) {
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int ret = snd_sof_ipc_set_get_comp_data(scontrol, true);
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if (ret < 0) {
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dev_err(scomp->dev, "Failed to set enum updates for %s\n",
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scontrol->name);
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return false;
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}
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}
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return change;
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}
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static int sof_ipc3_bytes_get(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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struct sof_abi_hdr *data = cdata->data;
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size_t size;
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snd_sof_refresh_control(scontrol);
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if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) {
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dev_err_ratelimited(scomp->dev, "data max %zu exceeds ucontrol data array size\n",
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scontrol->max_size);
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return -EINVAL;
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}
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/* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */
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if (data->size > scontrol->max_size - sizeof(*data)) {
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dev_err_ratelimited(scomp->dev,
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"%u bytes of control data is invalid, max is %zu\n",
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data->size, scontrol->max_size - sizeof(*data));
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return -EINVAL;
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}
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size = data->size + sizeof(*data);
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/* copy back to kcontrol */
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memcpy(ucontrol->value.bytes.data, data, size);
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return 0;
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}
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static int sof_ipc3_bytes_put(struct snd_sof_control *scontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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struct sof_abi_hdr *data = cdata->data;
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size_t size;
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if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) {
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dev_err_ratelimited(scomp->dev, "data max %zu exceeds ucontrol data array size\n",
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scontrol->max_size);
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return -EINVAL;
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}
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/* scontrol->max_size has been verified to be >= sizeof(struct sof_abi_hdr) */
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if (data->size > scontrol->max_size - sizeof(*data)) {
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dev_err_ratelimited(scomp->dev, "data size too big %u bytes max is %zu\n",
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data->size, scontrol->max_size - sizeof(*data));
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return -EINVAL;
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}
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size = data->size + sizeof(*data);
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/* copy from kcontrol */
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memcpy(data, ucontrol->value.bytes.data, size);
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/* notify DSP of byte control updates */
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if (pm_runtime_active(scomp->dev))
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return snd_sof_ipc_set_get_comp_data(scontrol, true);
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return 0;
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}
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static int sof_ipc3_bytes_ext_get(struct snd_sof_control *scontrol,
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const unsigned int __user *binary_data, unsigned int size)
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{
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struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data;
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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struct snd_ctl_tlv header;
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size_t data_size;
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snd_sof_refresh_control(scontrol);
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/*
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* Decrement the limit by ext bytes header size to
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* ensure the user space buffer is not exceeded.
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*/
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if (size < sizeof(struct snd_ctl_tlv))
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return -ENOSPC;
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size -= sizeof(struct snd_ctl_tlv);
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/* set the ABI header values */
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cdata->data->magic = SOF_ABI_MAGIC;
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cdata->data->abi = SOF_ABI_VERSION;
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/* check data size doesn't exceed max coming from topology */
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if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) {
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dev_err_ratelimited(scomp->dev, "User data size %d exceeds max size %zu\n",
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cdata->data->size,
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scontrol->max_size - sizeof(struct sof_abi_hdr));
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return -EINVAL;
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}
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data_size = cdata->data->size + sizeof(struct sof_abi_hdr);
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/* make sure we don't exceed size provided by user space for data */
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if (data_size > size)
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return -ENOSPC;
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header.numid = cdata->cmd;
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header.length = data_size;
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if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
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return -EFAULT;
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if (copy_to_user(tlvd->tlv, cdata->data, data_size))
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return -EFAULT;
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return 0;
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}
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static int sof_ipc3_bytes_ext_put(struct snd_sof_control *scontrol,
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const unsigned int __user *binary_data,
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unsigned int size)
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{
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const struct snd_ctl_tlv __user *tlvd = (const struct snd_ctl_tlv __user *)binary_data;
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struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
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struct snd_soc_component *scomp = scontrol->scomp;
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struct snd_ctl_tlv header;
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/*
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* The beginning of bytes data contains a header from where
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* the length (as bytes) is needed to know the correct copy
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* length of data from tlvd->tlv.
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*/
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if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv)))
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return -EFAULT;
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/* make sure TLV info is consistent */
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if (header.length + sizeof(struct snd_ctl_tlv) > size) {
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dev_err_ratelimited(scomp->dev, "Inconsistent TLV, data %d + header %zu > %d\n",
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header.length, sizeof(struct snd_ctl_tlv), size);
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return -EINVAL;
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}
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/* be->max is coming from topology */
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if (header.length > scontrol->max_size) {
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dev_err_ratelimited(scomp->dev, "Bytes data size %d exceeds max %zu\n",
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header.length, scontrol->max_size);
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return -EINVAL;
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}
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/* Check that header id matches the command */
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if (header.numid != cdata->cmd) {
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dev_err_ratelimited(scomp->dev, "Incorrect command for bytes put %d\n",
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header.numid);
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return -EINVAL;
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}
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if (copy_from_user(cdata->data, tlvd->tlv, header.length))
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return -EFAULT;
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if (cdata->data->magic != SOF_ABI_MAGIC) {
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dev_err_ratelimited(scomp->dev, "Wrong ABI magic 0x%08x\n", cdata->data->magic);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, cdata->data->abi)) {
|
||
|
|
dev_err_ratelimited(scomp->dev, "Incompatible ABI version 0x%08x\n",
|
||
|
|
cdata->data->abi);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */
|
||
|
|
if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) {
|
||
|
|
dev_err_ratelimited(scomp->dev, "Mismatch in ABI data size (truncated?)\n");
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* notify DSP of byte control updates */
|
||
|
|
if (pm_runtime_active(scomp->dev))
|
||
|
|
return snd_sof_ipc_set_get_comp_data(scontrol, true);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int sof_ipc3_bytes_ext_volatile_get(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_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
|
||
|
|
struct snd_soc_component *scomp = scontrol->scomp;
|
||
|
|
struct snd_ctl_tlv header;
|
||
|
|
size_t data_size;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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);
|
||
|
|
|
||
|
|
/* set the ABI header values */
|
||
|
|
cdata->data->magic = SOF_ABI_MAGIC;
|
||
|
|
cdata->data->abi = SOF_ABI_VERSION;
|
||
|
|
|
||
|
|
/* get all the component data from DSP */
|
||
|
|
ret = snd_sof_ipc_set_get_comp_data(scontrol, false);
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
/* check data size doesn't exceed max coming from topology */
|
||
|
|
if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) {
|
||
|
|
dev_err_ratelimited(scomp->dev, "User data size %d exceeds max size %zu\n",
|
||
|
|
cdata->data->size,
|
||
|
|
scontrol->max_size - sizeof(struct sof_abi_hdr));
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
data_size = cdata->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 = cdata->cmd;
|
||
|
|
header.length = data_size;
|
||
|
|
if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
|
||
|
|
return -EFAULT;
|
||
|
|
|
||
|
|
if (copy_to_user(tlvd->tlv, cdata->data, data_size))
|
||
|
|
return -EFAULT;
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void snd_sof_update_control(struct snd_sof_control *scontrol,
|
||
|
|
struct sof_ipc_ctrl_data *cdata)
|
||
|
|
{
|
||
|
|
struct snd_soc_component *scomp = scontrol->scomp;
|
||
|
|
struct sof_ipc_ctrl_data *local_cdata;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
local_cdata = scontrol->ipc_control_data;
|
||
|
|
|
||
|
|
if (cdata->cmd == SOF_CTRL_CMD_BINARY) {
|
||
|
|
if (cdata->num_elems != local_cdata->data->size) {
|
||
|
|
dev_err(scomp->dev, "cdata binary size mismatch %u - %u\n",
|
||
|
|
cdata->num_elems, local_cdata->data->size);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* copy the new binary data */
|
||
|
|
memcpy(local_cdata->data, cdata->data, cdata->num_elems);
|
||
|
|
} else if (cdata->num_elems != scontrol->num_channels) {
|
||
|
|
dev_err(scomp->dev, "cdata channel count mismatch %u - %d\n",
|
||
|
|
cdata->num_elems, scontrol->num_channels);
|
||
|
|
} else {
|
||
|
|
/* copy the new values */
|
||
|
|
for (i = 0; i < cdata->num_elems; i++)
|
||
|
|
local_cdata->chanv[i].value = cdata->chanv[i].value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static void sof_ipc3_control_update(struct snd_sof_dev *sdev, void *ipc_control_message)
|
||
|
|
{
|
||
|
|
struct sof_ipc_ctrl_data *cdata = ipc_control_message;
|
||
|
|
struct snd_soc_dapm_widget *widget;
|
||
|
|
struct snd_sof_control *scontrol;
|
||
|
|
struct snd_sof_widget *swidget;
|
||
|
|
struct snd_kcontrol *kc = NULL;
|
||
|
|
struct soc_mixer_control *sm;
|
||
|
|
struct soc_bytes_ext *be;
|
||
|
|
size_t expected_size;
|
||
|
|
struct soc_enum *se;
|
||
|
|
bool found = false;
|
||
|
|
int i, type;
|
||
|
|
|
||
|
|
if (cdata->type == SOF_CTRL_TYPE_VALUE_COMP_GET ||
|
||
|
|
cdata->type == SOF_CTRL_TYPE_VALUE_COMP_SET) {
|
||
|
|
dev_err(sdev->dev, "Component data is not supported in control notification\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Find the swidget first */
|
||
|
|
list_for_each_entry(swidget, &sdev->widget_list, list) {
|
||
|
|
if (swidget->comp_id == cdata->comp_id) {
|
||
|
|
found = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!found)
|
||
|
|
return;
|
||
|
|
|
||
|
|
/* Translate SOF cmd to TPLG type */
|
||
|
|
switch (cdata->cmd) {
|
||
|
|
case SOF_CTRL_CMD_VOLUME:
|
||
|
|
case SOF_CTRL_CMD_SWITCH:
|
||
|
|
type = SND_SOC_TPLG_TYPE_MIXER;
|
||
|
|
break;
|
||
|
|
case SOF_CTRL_CMD_BINARY:
|
||
|
|
type = SND_SOC_TPLG_TYPE_BYTES;
|
||
|
|
break;
|
||
|
|
case SOF_CTRL_CMD_ENUM:
|
||
|
|
type = SND_SOC_TPLG_TYPE_ENUM;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(sdev->dev, "Unknown cmd %u in %s\n", cdata->cmd, __func__);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
switch (cdata->cmd) {
|
||
|
|
case SOF_CTRL_CMD_VOLUME:
|
||
|
|
case SOF_CTRL_CMD_SWITCH:
|
||
|
|
sm = (struct soc_mixer_control *)kc->private_value;
|
||
|
|
scontrol = sm->dobj.private;
|
||
|
|
break;
|
||
|
|
case SOF_CTRL_CMD_BINARY:
|
||
|
|
be = (struct soc_bytes_ext *)kc->private_value;
|
||
|
|
scontrol = be->dobj.private;
|
||
|
|
break;
|
||
|
|
case SOF_CTRL_CMD_ENUM:
|
||
|
|
se = (struct soc_enum *)kc->private_value;
|
||
|
|
scontrol = se->dobj.private;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
expected_size = sizeof(struct sof_ipc_ctrl_data);
|
||
|
|
switch (cdata->type) {
|
||
|
|
case SOF_CTRL_TYPE_VALUE_CHAN_GET:
|
||
|
|
case SOF_CTRL_TYPE_VALUE_CHAN_SET:
|
||
|
|
expected_size += cdata->num_elems *
|
||
|
|
sizeof(struct sof_ipc_ctrl_value_chan);
|
||
|
|
break;
|
||
|
|
case SOF_CTRL_TYPE_DATA_GET:
|
||
|
|
case SOF_CTRL_TYPE_DATA_SET:
|
||
|
|
expected_size += cdata->num_elems + sizeof(struct sof_abi_hdr);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cdata->rhdr.hdr.size != expected_size) {
|
||
|
|
dev_err(sdev->dev, "Component notification size mismatch\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cdata->num_elems)
|
||
|
|
/*
|
||
|
|
* The message includes the updated value/data, update the
|
||
|
|
* control's local cache using the received notification
|
||
|
|
*/
|
||
|
|
snd_sof_update_control(scontrol, cdata);
|
||
|
|
else
|
||
|
|
/* Mark the scontrol that the value/data is changed in SOF */
|
||
|
|
scontrol->comp_data_dirty = true;
|
||
|
|
|
||
|
|
snd_ctl_notify_one(swidget->scomp->card->snd_card, SNDRV_CTL_EVENT_MASK_VALUE, kc, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
const struct sof_ipc_tplg_control_ops tplg_ipc3_control_ops = {
|
||
|
|
.volume_put = sof_ipc3_volume_put,
|
||
|
|
.volume_get = sof_ipc3_volume_get,
|
||
|
|
.switch_put = sof_ipc3_switch_put,
|
||
|
|
.switch_get = sof_ipc3_switch_get,
|
||
|
|
.enum_put = sof_ipc3_enum_put,
|
||
|
|
.enum_get = sof_ipc3_enum_get,
|
||
|
|
.bytes_put = sof_ipc3_bytes_put,
|
||
|
|
.bytes_get = sof_ipc3_bytes_get,
|
||
|
|
.bytes_ext_put = sof_ipc3_bytes_ext_put,
|
||
|
|
.bytes_ext_get = sof_ipc3_bytes_ext_get,
|
||
|
|
.bytes_ext_volatile_get = sof_ipc3_bytes_ext_volatile_get,
|
||
|
|
.update = sof_ipc3_control_update,
|
||
|
|
};
|