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. All rights reserved.
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 */
63 struct snd_sof_pdata {
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.
71 unsigned short subsystem_vendor;
72 unsigned short subsystem_device;
73 bool subsystem_id_set;
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
84 void (*sof_probe_complete)(struct device *dev);
87 const struct sof_dev_desc *desc;
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;
95 /* loadable external libraries available under this directory */
96 const char *fw_lib_prefix;
99 struct platform_device *pdev_mach;
100 const struct snd_soc_acpi_mach *machine;
101 const struct snd_sof_of_mach *of_machine;
105 enum sof_ipc_type ipc_type;
109 * Descriptor used for setting up SOF platform data. This is used when
110 * ACPI/PCI data is missing or mapped differently.
112 struct 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;
117 /* alternate list of machines using this configuration */
118 struct snd_soc_acpi_mach *alt_machines;
120 bool use_acpi_target_states;
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;
129 /* IPC timeouts in ms */
133 /* chip information for dsp */
134 const void *chip_info;
136 /* defaults for no codec mode */
137 const char *nocodec_tplg_filename;
139 /* information on supported IPCs */
140 unsigned int ipc_supported_mask;
141 enum sof_ipc_type ipc_default;
143 /* The platform supports DSPless mode */
144 bool dspless_mode_supported;
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];
151 /* default firmware name */
152 const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
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);
159 int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
160 int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);