1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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.
6 * Copyright(c) 2018 Intel Corporation
8 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
11 #ifndef __INCLUDE_SOUND_SOF_H
12 #define __INCLUDE_SOUND_SOF_H
14 #include <linux/pci.h>
15 #include <sound/soc.h>
16 #include <sound/soc-acpi.h>
18 struct snd_sof_dsp_ops;
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
34 SOF_FW_BOOT_NOT_STARTED = 0,
37 SOF_FW_BOOT_IN_PROGRESS,
39 SOF_FW_BOOT_READY_FAILED,
45 /* DSP power states */
46 enum sof_dsp_power_states {
53 /* Definitions for multiple IPCs */
60 struct sof_loadable_file_profile {
61 enum sof_ipc_type ipc_type;
64 const char *fw_path_postfix;
66 const char *fw_lib_path;
67 const char *fw_lib_path_postfix;
68 const char *tplg_path;
69 const char *tplg_name;
75 struct snd_sof_pdata {
80 * PCI SSID. As PCI does not define 0 as invalid, the subsystem_id_set
81 * flag indicates that a value has been written to these members.
83 unsigned short subsystem_vendor;
84 unsigned short subsystem_device;
85 bool subsystem_id_set;
90 * notification callback used if the hardware initialization
91 * can take time or is handled in a workqueue. This callback
92 * can be used by the caller to e.g. enable runtime_pm
93 * or limit functionality until all low-level inits are
96 void (*sof_probe_complete)(struct device *dev);
99 const struct sof_dev_desc *desc;
101 /* platform's preferred IPC type and path overrides */
102 struct sof_loadable_file_profile ipc_file_profile_base;
104 /* firmware and topology filenames */
105 const char *fw_filename_prefix;
106 const char *fw_filename;
107 const char *tplg_filename_prefix;
108 const char *tplg_filename;
109 bool disable_function_topology;
111 /* loadable external libraries available under this directory */
112 const char *fw_lib_prefix;
115 struct platform_device *pdev_mach;
116 const struct snd_soc_acpi_mach *machine;
117 const struct snd_sof_of_mach *of_machine;
121 enum sof_ipc_type ipc_type;
125 * Descriptor used for setting up SOF platform data. This is used when
126 * ACPI/PCI data is missing or mapped differently.
128 struct sof_dev_desc {
129 /* list of machines using this configuration */
130 struct snd_soc_acpi_mach *machines;
131 struct snd_sof_of_mach *of_machines;
133 /* alternate list of machines using this configuration */
134 struct snd_soc_acpi_mach *alt_machines;
136 bool use_acpi_target_states;
138 /* Platform resource indexes in BAR / ACPI resources. */
139 /* Must set to -1 if not used - add new items to end */
140 int resindex_lpe_base;
141 int resindex_pcicfg_base;
142 int resindex_imr_base;
143 int irqindex_host_ipc;
145 /* IPC timeouts in ms */
149 /* chip information for dsp */
150 const void *chip_info;
152 /* defaults for no codec mode */
153 const char *nocodec_tplg_filename;
155 /* information on supported IPCs */
156 unsigned int ipc_supported_mask;
157 enum sof_ipc_type ipc_default;
159 /* The platform supports DSPless mode */
160 bool dspless_mode_supported;
162 /* defaults paths for firmware, library and topology files */
163 const char *default_fw_path[SOF_IPC_TYPE_COUNT];
164 const char *default_lib_path[SOF_IPC_TYPE_COUNT];
165 const char *default_tplg_path[SOF_IPC_TYPE_COUNT];
167 /* default firmware name */
168 const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
170 const struct snd_sof_dsp_ops *ops;
171 int (*ops_init)(struct snd_sof_dev *sdev);
172 void (*ops_free)(struct snd_sof_dev *sdev);
175 int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
176 int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);
177 int sof_dai_get_tdm_slots(struct snd_soc_pcm_runtime *rtd);