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Compared to standard paths, conditional paths are not invoked by the means of FE being opened by userspace and thus their variant selection is not FE/BE audio format based. These are a side effect of standard path creation if specific criteria are met. Algorithm is implemented to walk on all existing runtime paths and match them against conditions provided by topology. These conditions are based on source and sink path formats, rather than formats provided from userspace app or present on the codec. If match is found, new path is created and tied to those which brought it into existence: source and sink path. If any of its parents perishes, so does the conditional path. Conditional paths are used to enable any complex, modern audio scenario which involves usage of KPB, AEC and WoV modules and more. Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com> Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://patch.msgid.link/20250729130633.310388-3-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright(c) 2021 Intel Corporation
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*
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* Authors: Cezary Rojewski <cezary.rojewski@intel.com>
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* Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
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*/
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#ifndef __SOUND_SOC_INTEL_AVS_PATH_H
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#define __SOUND_SOC_INTEL_AVS_PATH_H
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#include <linux/list.h>
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#include "avs.h"
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#include "topology.h"
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#define AVS_COND_TYPE_NONE 0
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#define AVS_COND_TYPE_AECREF 1
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struct avs_path {
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u32 dma_id;
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struct list_head ppl_list;
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u32 state;
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/* condpath navigation for standard paths */
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struct list_head source_list;
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struct list_head sink_list;
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/* conditional path fields */
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struct avs_path *source;
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struct avs_path *sink;
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struct list_head source_node;
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struct list_head sink_node;
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struct avs_tplg_path *template;
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struct avs_dev *owner;
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/* device path management */
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struct list_head node;
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};
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struct avs_path_pipeline {
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u8 instance_id;
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struct list_head mod_list;
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struct list_head binding_list;
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struct avs_tplg_pipeline *template;
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struct avs_path *owner;
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/* path pipelines management */
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struct list_head node;
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};
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struct avs_path_module {
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u16 module_id;
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u8 instance_id;
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union avs_gtw_attributes gtw_attrs;
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struct avs_tplg_module *template;
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struct avs_path_pipeline *owner;
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/* pipeline modules management */
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struct list_head node;
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};
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struct avs_path_binding {
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struct avs_path_module *source;
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u8 source_pin;
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struct avs_path_module *sink;
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u8 sink_pin;
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struct avs_tplg_binding *template;
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struct avs_path_pipeline *owner;
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/* pipeline bindings management */
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struct list_head node;
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};
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void avs_path_free(struct avs_path *path);
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struct avs_path *avs_path_create(struct avs_dev *adev, u32 dma_id,
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struct avs_tplg_path_template *template,
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struct snd_pcm_hw_params *fe_params,
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struct snd_pcm_hw_params *be_params);
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int avs_path_bind(struct avs_path *path);
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int avs_path_unbind(struct avs_path *path);
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int avs_path_reset(struct avs_path *path);
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int avs_path_pause(struct avs_path *path);
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int avs_path_run(struct avs_path *path, int trigger);
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int avs_path_set_constraint(struct avs_dev *adev, struct avs_tplg_path_template *template,
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struct snd_pcm_hw_constraint_list *rate_list,
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struct snd_pcm_hw_constraint_list *channels_list,
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struct snd_pcm_hw_constraint_list *sample_bits_list);
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int avs_peakvol_set_volume(struct avs_dev *adev, struct avs_path_module *mod,
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struct soc_mixer_control *mc, long *input);
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int avs_peakvol_set_mute(struct avs_dev *adev, struct avs_path_module *mod,
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struct soc_mixer_control *mc, long *input);
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#endif
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