1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright(c) 2021 Intel Corporation. All rights reserved. 4 * 5 * Authors: Cezary Rojewski <cezary.rojewski@intel.com> 6 * Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> 7 */ 8 9 #ifndef __SOUND_SOC_INTEL_AVS_PATH_H 10 #define __SOUND_SOC_INTEL_AVS_PATH_H 11 12 #include <linux/list.h> 13 #include "avs.h" 14 #include "topology.h" 15 16 struct avs_path { 17 u32 dma_id; 18 struct list_head ppl_list; 19 u32 state; 20 21 struct avs_tplg_path *template; 22 struct avs_dev *owner; 23 /* device path management */ 24 struct list_head node; 25 }; 26 27 struct avs_path_pipeline { 28 u8 instance_id; 29 struct list_head mod_list; 30 struct list_head binding_list; 31 32 struct avs_tplg_pipeline *template; 33 struct avs_path *owner; 34 /* path pipelines management */ 35 struct list_head node; 36 }; 37 38 struct avs_path_module { 39 u16 module_id; 40 u16 instance_id; 41 union avs_gtw_attributes gtw_attrs; 42 43 struct avs_tplg_module *template; 44 struct avs_path_pipeline *owner; 45 /* pipeline modules management */ 46 struct list_head node; 47 }; 48 49 struct avs_path_binding { 50 struct avs_path_module *source; 51 u8 source_pin; 52 struct avs_path_module *sink; 53 u8 sink_pin; 54 55 struct avs_tplg_binding *template; 56 struct avs_path_pipeline *owner; 57 /* pipeline bindings management */ 58 struct list_head node; 59 }; 60 61 void avs_path_free(struct avs_path *path); 62 struct avs_path *avs_path_create(struct avs_dev *adev, u32 dma_id, 63 struct avs_tplg_path_template *template, 64 struct snd_pcm_hw_params *fe_params, 65 struct snd_pcm_hw_params *be_params); 66 int avs_path_bind(struct avs_path *path); 67 int avs_path_unbind(struct avs_path *path); 68 int avs_path_reset(struct avs_path *path); 69 int avs_path_pause(struct avs_path *path); 70 int avs_path_run(struct avs_path *path, int trigger); 71 72 #endif 73