projects/linux·blob v6.7 · refs

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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) 2018 Intel Corporation. All rights reserved.
7 *
8 * Author: Liam Girdwood <[email protected]>
9 */
10
11#ifndef __INCLUDE_SOUND_SOF_H
12#define __INCLUDE_SOUND_SOF_H
13
14#include <linux/pci.h>
15#include <sound/soc.h>
16#include <sound/soc-acpi.h>
17
18struct snd_sof_dsp_ops;
19struct snd_sof_dev;
20
21/**
22 * enum sof_fw_state - DSP firmware state definitions
23 * @SOF_FW_BOOT_NOT_STARTED: firmware boot is not yet started
24 * @SOF_DSPLESS_MODE: DSP is not used
25 * @SOF_FW_BOOT_PREPARE: preparing for boot (firmware loading for exaqmple)
26 * @SOF_FW_BOOT_IN_PROGRESS: firmware boot is in progress
27 * @SOF_FW_BOOT_FAILED: firmware boot failed
28 * @SOF_FW_BOOT_READY_FAILED: firmware booted but fw_ready op failed
29 * @SOF_FW_BOOT_READY_OK: firmware booted and fw_ready op passed
30 * @SOF_FW_BOOT_COMPLETE: firmware is booted up and functional
31 * @SOF_FW_CRASHED: firmware crashed after successful boot
32 */
33enum sof_fw_state {
34 SOF_FW_BOOT_NOT_STARTED = 0,
35 SOF_DSPLESS_MODE,
36 SOF_FW_BOOT_PREPARE,
37 SOF_FW_BOOT_IN_PROGRESS,
38 SOF_FW_BOOT_FAILED,
39 SOF_FW_BOOT_READY_FAILED,
40 SOF_FW_BOOT_READY_OK,
41 SOF_FW_BOOT_COMPLETE,
42 SOF_FW_CRASHED,
43};
44
45/* DSP power states */
46enum sof_dsp_power_states {
47 SOF_DSP_PM_D0,
48 SOF_DSP_PM_D1,
49 SOF_DSP_PM_D2,
50 SOF_DSP_PM_D3,
51};
52
53/* Definitions for multiple IPCs */
54enum sof_ipc_type {
55 SOF_IPC_TYPE_3,
56 SOF_IPC_TYPE_4,
57 SOF_IPC_TYPE_COUNT
58};
59
60/*
61 * SOF Platform data.
62 */
63struct snd_sof_pdata {
64 const char *name;
65 const char *platform;
66
67 /*
68 * PCI SSID. As PCI does not define 0 as invalid, the subsystem_id_set
69 * flag indicates that a value has been written to these members.
70 */
71 unsigned short subsystem_vendor;
72 unsigned short subsystem_device;
73 bool subsystem_id_set;
74
75 struct device *dev;
76
77 /*
78 * notification callback used if the hardware initialization
79 * can take time or is handled in a workqueue. This callback
80 * can be used by the caller to e.g. enable runtime_pm
81 * or limit functionality until all low-level inits are
82 * complete.
83 */
84 void (*sof_probe_complete)(struct device *dev);
85
86 /* descriptor */
87 const struct sof_dev_desc *desc;
88
89 /* firmware and topology filenames */
90 const char *fw_filename_prefix;
91 const char *fw_filename;
92 const char *tplg_filename_prefix;
93 const char *tplg_filename;
94
95 /* loadable external libraries available under this directory */
96 const char *fw_lib_prefix;
97
98 /* machine */
99 struct platform_device *pdev_mach;
100 const struct snd_soc_acpi_mach *machine;
101 const struct snd_sof_of_mach *of_machine;
102
103 void *hw_pdata;
104
105 enum sof_ipc_type ipc_type;
106};
107
108/*
109 * Descriptor used for setting up SOF platform data. This is used when
110 * ACPI/PCI data is missing or mapped differently.
111 */
112struct sof_dev_desc {
113 /* list of machines using this configuration */
114 struct snd_soc_acpi_mach *machines;
115 struct snd_sof_of_mach *of_machines;
116
117 /* alternate list of machines using this configuration */
118 struct snd_soc_acpi_mach *alt_machines;
119
120 bool use_acpi_target_states;
121
122 /* Platform resource indexes in BAR / ACPI resources. */
123 /* Must set to -1 if not used - add new items to end */
124 int resindex_lpe_base;
125 int resindex_pcicfg_base;
126 int resindex_imr_base;
127 int irqindex_host_ipc;
128
129 /* IPC timeouts in ms */
130 int ipc_timeout;
131 int boot_timeout;
132
133 /* chip information for dsp */
134 const void *chip_info;
135
136 /* defaults for no codec mode */
137 const char *nocodec_tplg_filename;
138
139 /* information on supported IPCs */
140 unsigned int ipc_supported_mask;
141 enum sof_ipc_type ipc_default;
142
143 /* The platform supports DSPless mode */
144 bool dspless_mode_supported;
145
146 /* defaults paths for firmware, library and topology files */
147 const char *default_fw_path[SOF_IPC_TYPE_COUNT];
148 const char *default_lib_path[SOF_IPC_TYPE_COUNT];
149 const char *default_tplg_path[SOF_IPC_TYPE_COUNT];
150
151 /* default firmware name */
152 const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
153
154 struct snd_sof_dsp_ops *ops;
155 int (*ops_init)(struct snd_sof_dev *sdev);
156 void (*ops_free)(struct snd_sof_dev *sdev);
157};
158
159int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
160int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);
161
162#endif