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.
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_FW_BOOT_PREPARE: preparing for boot (firmware loading for exaqmple)
25 * @SOF_FW_BOOT_IN_PROGRESS: firmware boot is in progress
26 * @SOF_FW_BOOT_FAILED: firmware boot failed
27 * @SOF_FW_BOOT_READY_FAILED: firmware booted but fw_ready op failed
28 * @SOF_FW_BOOT_READY_OK: firmware booted and fw_ready op passed
29 * @SOF_FW_BOOT_COMPLETE: firmware is booted up and functional
30 * @SOF_FW_CRASHED: firmware crashed after successful boot
33 SOF_FW_BOOT_NOT_STARTED = 0,
35 SOF_FW_BOOT_IN_PROGRESS,
37 SOF_FW_BOOT_READY_FAILED,
43 /* DSP power states */
44 enum sof_dsp_power_states {
51 /* Definitions for multiple IPCs */
61 struct snd_sof_pdata {
62 const struct firmware *fw;
68 /* indicate how many first bytes shouldn't be loaded into DSP memory. */
72 * notification callback used if the hardware initialization
73 * can take time or is handled in a workqueue. This callback
74 * can be used by the caller to e.g. enable runtime_pm
75 * or limit functionality until all low-level inits are
78 void (*sof_probe_complete)(struct device *dev);
81 const struct sof_dev_desc *desc;
83 /* firmware and topology filenames */
84 const char *fw_filename_prefix;
85 const char *fw_filename;
86 const char *tplg_filename_prefix;
87 const char *tplg_filename;
90 struct platform_device *pdev_mach;
91 const struct snd_soc_acpi_mach *machine;
95 enum sof_ipc_type ipc_type;
99 * Descriptor used for setting up SOF platform data. This is used when
100 * ACPI/PCI data is missing or mapped differently.
102 struct sof_dev_desc {
103 /* list of machines using this configuration */
104 struct snd_soc_acpi_mach *machines;
106 /* alternate list of machines using this configuration */
107 struct snd_soc_acpi_mach *alt_machines;
109 bool use_acpi_target_states;
111 /* Platform resource indexes in BAR / ACPI resources. */
112 /* Must set to -1 if not used - add new items to end */
113 int resindex_lpe_base;
114 int resindex_pcicfg_base;
115 int resindex_imr_base;
116 int irqindex_host_ipc;
118 /* IPC timeouts in ms */
122 /* chip information for dsp */
123 const void *chip_info;
125 /* defaults for no codec mode */
126 const char *nocodec_tplg_filename;
128 /* information on supported IPCs */
129 unsigned int ipc_supported_mask;
130 enum sof_ipc_type ipc_default;
132 /* defaults paths for firmware and topology files */
133 const char *default_fw_path[SOF_IPC_TYPE_COUNT];
134 const char *default_tplg_path[SOF_IPC_TYPE_COUNT];
136 /* default firmware name */
137 const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
139 struct snd_sof_dsp_ops *ops;
140 int (*ops_init)(struct snd_sof_dev *sdev);
141 void (*ops_free)(struct snd_sof_dev *sdev);
144 int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
145 int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);