sound/soc/sof/sof-client-probes.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef __SOF_CLIENT_PROBES_H
   4 #define __SOF_CLIENT_PROBES_H
   5
   6 struct snd_compr_stream;
   7 struct snd_compr_tstamp;
   8 struct snd_compr_params;
   9 struct sof_client_dev;
  10 struct snd_soc_dai;
  11
  12 /*
  13  * Callbacks used on platforms where the control for audio is split between
  14  * DSP and host, like HDA.
  15  */
  16 struct sof_probes_host_ops {
  17         int (*startup)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
  18                        struct snd_soc_dai *dai, u32 *stream_id);
  19         int (*shutdown)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
  20                         struct snd_soc_dai *dai);
  21         int (*set_params)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
  22                           struct snd_compr_params *params,
  23                           struct snd_soc_dai *dai);
  24         int (*trigger)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
  25                        int cmd, struct snd_soc_dai *dai);
  26         int (*pointer)(struct sof_client_dev *cdev, struct snd_compr_stream *cstream,
  27                        struct snd_compr_tstamp *tstamp,
  28                        struct snd_soc_dai *dai);
  29 };
  30
  31 struct sof_probe_point_desc {
  32         unsigned int buffer_id;
  33         unsigned int purpose;
  34         unsigned int stream_tag;
  35 } __packed;
  36
  37 struct sof_probes_ipc_ops {
  38         int (*init)(struct sof_client_dev *cdev, u32 stream_tag,
  39                     size_t buffer_size);
  40         int (*deinit)(struct sof_client_dev *cdev);
  41         int (*points_info)(struct sof_client_dev *cdev,
  42                            struct sof_probe_point_desc **desc,
  43                            size_t *num_desc);
  44         int (*points_add)(struct sof_client_dev *cdev,
  45                           struct sof_probe_point_desc *desc,
  46                           size_t num_desc);
  47         int (*points_remove)(struct sof_client_dev *cdev,
  48                              unsigned int *buffer_id, size_t num_buffer_id);
  49 };
  50
  51 extern const struct sof_probes_ipc_ops ipc3_probe_ops;
  52 extern const struct sof_probes_ipc_ops ipc4_probe_ops;
  53
  54 struct sof_probes_priv {
  55         struct dentry *dfs_points;
  56         struct dentry *dfs_points_remove;
  57         u32 extractor_stream_tag;
  58         struct snd_soc_card card;
  59         void *ipc_priv;
  60
  61         const struct sof_probes_host_ops *host_ops;
  62         const struct sof_probes_ipc_ops *ipc_ops;
  63 };
  64
  65 #endif