diff options
| -rw-r--r-- | sound/soc/intel/avs/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/intel/avs/control.c | 95 | ||||
| -rw-r--r-- | sound/soc/intel/avs/control.h | 23 |
3 files changed, 119 insertions, 1 deletions
diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile index 1c6924a1ebca..460ee6599daf 100644 --- a/sound/soc/intel/avs/Makefile +++ b/sound/soc/intel/avs/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only snd-soc-avs-objs := dsp.o ipc.o messages.o utils.o core.o loader.o \ - topology.o path.o pcm.o board_selection.o + topology.o path.o pcm.o board_selection.o control.o snd-soc-avs-objs += cldma.o snd-soc-avs-objs += skl.o apl.o diff --git a/sound/soc/intel/avs/control.c b/sound/soc/intel/avs/control.c new file mode 100644 index 000000000000..92b3aad0baca --- /dev/null +++ b/sound/soc/intel/avs/control.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// +// Authors: Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> +// Cezary Rojewski <cezary.rojewski@intel.com> +// + +#include <sound/soc.h> +#include "avs.h" +#include "control.h" +#include "messages.h" +#include "path.h" + +static struct avs_dev *avs_get_kcontrol_adev(struct snd_kcontrol *kcontrol) +{ + struct snd_soc_dapm_widget *w; + + w = snd_soc_dapm_kcontrol_widget(kcontrol); + + return to_avs_dev(w->dapm->component->dev); +} + +static struct avs_path_module *avs_get_kcontrol_module(struct avs_dev *adev, u32 id) +{ + return NULL; +} + +int avs_control_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; + struct avs_control_data *ctl_data = (struct avs_control_data *)mc->dobj.private; + struct avs_dev *adev = avs_get_kcontrol_adev(kcontrol); + struct avs_volume_cfg *dspvols = NULL; + struct avs_path_module *active_module; + size_t num_dspvols; + int ret = 0; + + /* prevent access to modules while path is being constructed */ + mutex_lock(&adev->path_mutex); + + active_module = avs_get_kcontrol_module(adev, ctl_data->id); + if (active_module) { + ret = avs_ipc_peakvol_get_volume(adev, active_module->module_id, + active_module->instance_id, &dspvols, + &num_dspvols); + if (!ret) + ucontrol->value.integer.value[0] = dspvols[0].target_volume; + + ret = AVS_IPC_RET(ret); + kfree(dspvols); + } else { + ucontrol->value.integer.value[0] = ctl_data->volume; + } + + mutex_unlock(&adev->path_mutex); + return ret; +} + +int avs_control_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +{ + struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value; + struct avs_control_data *ctl_data = (struct avs_control_data *)mc->dobj.private; + struct avs_dev *adev = avs_get_kcontrol_adev(kcontrol); + long *volume = &ctl_data->volume; + struct avs_path_module *active_module; + struct avs_volume_cfg dspvol = {0}; + long ctlvol = ucontrol->value.integer.value[0]; + int ret = 0, changed = 0; + + if (ctlvol < 0 || ctlvol > mc->max) + return -EINVAL; + + /* prevent access to modules while path is being constructed */ + mutex_lock(&adev->path_mutex); + + if (*volume != ctlvol) { + *volume = ctlvol; + changed = 1; + } + + active_module = avs_get_kcontrol_module(adev, ctl_data->id); + if (active_module) { + dspvol.channel_id = AVS_ALL_CHANNELS_MASK; + dspvol.target_volume = *volume; + + ret = avs_ipc_peakvol_set_volume(adev, active_module->module_id, + active_module->instance_id, &dspvol); + ret = AVS_IPC_RET(ret); + } + + mutex_unlock(&adev->path_mutex); + + return ret ? ret : changed; +} diff --git a/sound/soc/intel/avs/control.h b/sound/soc/intel/avs/control.h new file mode 100644 index 000000000000..08631bde13c3 --- /dev/null +++ b/sound/soc/intel/avs/control.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright(c) 2021-2022 Intel Corporation. All rights reserved. + * + * Authors: Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> + * Cezary Rojewski <cezary.rojewski@intel.com> + */ + +#ifndef __SOUND_SOC_INTEL_AVS_CTRL_H +#define __SOUND_SOC_INTEL_AVS_CTRL_H + +#include <sound/control.h> + +struct avs_control_data { + u32 id; + + long volume; +}; + +int avs_control_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); +int avs_control_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); + +#endif |