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) 2022 Intel Corporation
7   */
8  
9  #ifndef __SOUND_SOC_SOF_IPC4_PRIV_H
10  #define __SOUND_SOC_SOF_IPC4_PRIV_H
11  
12  #include <linux/idr.h>
13  #include <sound/sof/ext_manifest4.h>
14  #include "sof-priv.h"
15  
16  /* The DSP window indices are fixed */
17  #define SOF_IPC4_INBOX_WINDOW_IDX	0
18  #define SOF_IPC4_OUTBOX_WINDOW_IDX	1
19  #define SOF_IPC4_DEBUG_WINDOW_IDX	2
20  
21  enum sof_ipc4_mtrace_type {
22  	SOF_IPC4_MTRACE_NOT_AVAILABLE = 0,
23  	SOF_IPC4_MTRACE_INTEL_CAVS_1_5,
24  	SOF_IPC4_MTRACE_INTEL_CAVS_1_8,
25  	SOF_IPC4_MTRACE_INTEL_CAVS_2,
26  };
27  
28  /**
29   * struct sof_ipc4_fw_module - IPC4 module info
30   * @sof_man4_module: Module info
31   * @fw_mod_cfg: Pointer to the module config start of the module
32   * @m_ida: Module instance identifier
33   * @private: Module private data
34   */
35  struct sof_ipc4_fw_module {
36  	struct sof_man4_module man4_module_entry;
37  	const struct sof_man4_module_config *fw_mod_cfg;
38  	struct ida m_ida;
39  	void *private;
40  };
41  
42  /**
43   * struct sof_ipc4_fw_library - IPC4 library information
44   * @sof_fw: SOF Firmware of the library
45   * @id: Library ID. 0 is reserved for basefw, external libraries must have unique
46   *	ID number between 1 and (sof_ipc4_fw_data.max_libs_count - 1)
47   *	Note: sof_ipc4_fw_data.max_libs_count == 1 implies that external libraries
48   *	are not supported
49   * @num_modules : Number of FW modules in the library
50   * @modules: Array of FW modules
51   */
52  struct sof_ipc4_fw_library {
53  	struct sof_firmware sof_fw;
54  	const char *name;
55  	u32 id;
56  	int num_modules;
57  	struct sof_ipc4_fw_module *modules;
58  };
59  
60  /**
61   * struct sof_ipc4_fw_data - IPC4-specific data
62   * @manifest_fw_hdr_offset: FW header offset in the manifest
63   * @fw_lib_xa: XArray for firmware libraries, including basefw (ID = 0)
64   *	       Used to store the FW libraries and to manage the unique IDs of the
65   *	       libraries.
66   * @nhlt: NHLT table either from the BIOS or the topology manifest
67   * @mtrace_type: mtrace type supported on the booted platform
68   * @mtrace_log_bytes: log bytes as reported by the firmware via fw_config reply
69   * @num_playback_streams: max number of playback DMAs, needed for CHAIN_DMA offset
70   * @num_capture_streams: max number of capture DMAs
71   * @max_num_pipelines: max number of pipelines
72   * @max_libs_count: Maximum number of libraries support by the FW including the
73   *		    base firmware
74   *
75   * @load_library: Callback function for platform dependent library loading
76   * @pipeline_state_mutex: Mutex to protect pipeline triggers, ref counts, states and deletion
77   */
78  struct sof_ipc4_fw_data {
79  	u32 manifest_fw_hdr_offset;
80  	struct xarray fw_lib_xa;
81  	void *nhlt;
82  	enum sof_ipc4_mtrace_type mtrace_type;
83  	u32 mtrace_log_bytes;
84  	int num_playback_streams;
85  	int num_capture_streams;
86  	int max_num_pipelines;
87  	u32 max_libs_count;
88  	bool fw_context_save;
89  
90  	int (*load_library)(struct snd_sof_dev *sdev,
91  			    struct sof_ipc4_fw_library *fw_lib, bool reload);
92  	struct mutex pipeline_state_mutex; /* protect pipeline triggers, ref counts and states */
93  };
94  
95  extern const struct sof_ipc_fw_loader_ops ipc4_loader_ops;
96  extern const struct sof_ipc_tplg_ops ipc4_tplg_ops;
97  extern const struct sof_ipc_tplg_control_ops tplg_ipc4_control_ops;
98  extern const struct sof_ipc_pcm_ops ipc4_pcm_ops;
99  extern const struct sof_ipc_fw_tracing_ops ipc4_mtrace_ops;
100  
101  int sof_ipc4_set_pipeline_state(struct snd_sof_dev *sdev, u32 instance_id, u32 state);
102  int sof_ipc4_mtrace_update_pos(struct snd_sof_dev *sdev, int core);
103  
104  int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev);
105  int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev);
106  struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev,
107  							const guid_t *uuid);
108  
109  struct snd_sof_widget *sof_ipc4_find_swidget_by_ids(struct snd_sof_dev *sdev,
110  						    u32 module_id, int instance_id);
111  
112  struct sof_ipc4_base_module_cfg;
113  void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev,
114  				       struct sof_ipc4_fw_module *fw_module,
115  				       struct sof_ipc4_base_module_cfg *basecfg);
116  
117  size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev,
118  					       u32 slot_type);
119  
120  #endif
121