LXR linux/sound/soc/sof/probe.h

   1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
   2/*
   3 * This file is provided under a dual BSD/GPLv2 license.  When using or
   4 * redistributing this file, you may do so under either license.
   5 *
   6 * Copyright(c) 2019-2020 Intel Corporation. All rights reserved.
   7 *
   8 * Author: Cezary Rojewski <cezary.rojewski@intel.com>
   9 */
  10
  11#ifndef __SOF_PROBE_H
  12#define __SOF_PROBE_H
  13
  14#include <sound/sof/header.h>
  15
  16struct snd_sof_dev;
  17
  18#define SOF_PROBE_INVALID_NODE_ID UINT_MAX
  19
  20struct sof_probe_dma {
  21        unsigned int stream_tag;
  22        unsigned int dma_buffer_size;
  23} __packed;
  24
  25enum sof_connection_purpose {
  26        SOF_CONNECTION_PURPOSE_EXTRACT = 1,
  27        SOF_CONNECTION_PURPOSE_INJECT,
  28};
  29
  30struct sof_probe_point_desc {
  31        unsigned int buffer_id;
  32        unsigned int purpose;
  33        unsigned int stream_tag;
  34} __packed;
  35
  36struct sof_ipc_probe_dma_add_params {
  37        struct sof_ipc_cmd_hdr hdr;
  38        unsigned int num_elems;
  39        struct sof_probe_dma dma[];
  40} __packed;
  41
  42struct sof_ipc_probe_info_params {
  43        struct sof_ipc_reply rhdr;
  44        unsigned int num_elems;
  45        union {
  46                struct sof_probe_dma dma[0];
  47                struct sof_probe_point_desc desc[0];
  48        };
  49} __packed;
  50
  51struct sof_ipc_probe_dma_remove_params {
  52        struct sof_ipc_cmd_hdr hdr;
  53        unsigned int num_elems;
  54        unsigned int stream_tag[];
  55} __packed;
  56
  57struct sof_ipc_probe_point_add_params {
  58        struct sof_ipc_cmd_hdr hdr;
  59        unsigned int num_elems;
  60        struct sof_probe_point_desc desc[];
  61} __packed;
  62
  63struct sof_ipc_probe_point_remove_params {
  64        struct sof_ipc_cmd_hdr hdr;
  65        unsigned int num_elems;
  66        unsigned int buffer_id[];
  67} __packed;
  68
  69int sof_ipc_probe_init(struct snd_sof_dev *sdev,
  70                u32 stream_tag, size_t buffer_size);
  71int sof_ipc_probe_deinit(struct snd_sof_dev *sdev);
  72int sof_ipc_probe_dma_info(struct snd_sof_dev *sdev,
  73                struct sof_probe_dma **dma, size_t *num_dma);
  74int sof_ipc_probe_dma_add(struct snd_sof_dev *sdev,
  75                struct sof_probe_dma *dma, size_t num_dma);
  76int sof_ipc_probe_dma_remove(struct snd_sof_dev *sdev,
  77                unsigned int *stream_tag, size_t num_stream_tag);
  78int sof_ipc_probe_points_info(struct snd_sof_dev *sdev,
  79                struct sof_probe_point_desc **desc, size_t *num_desc);
  80int sof_ipc_probe_points_add(struct snd_sof_dev *sdev,
  81                struct sof_probe_point_desc *desc, size_t num_desc);
  82int sof_ipc_probe_points_remove(struct snd_sof_dev *sdev,
  83                unsigned int *buffer_id, size_t num_buffer_id);
  84
  85#endif
  86