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-rw-r--r--include/sound/sof.h162
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diff --git a/include/sound/sof.h b/include/sound/sof.h
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+++ b/include/sound/sof.h
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+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * Copyright(c) 2018 Intel Corporation. All rights reserved.
+ *
+ * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
+ */
+
+#ifndef __INCLUDE_SOUND_SOF_H
+#define __INCLUDE_SOUND_SOF_H
+
+#include <linux/pci.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+
+struct snd_sof_dsp_ops;
+struct snd_sof_dev;
+
+/**
+ * enum sof_fw_state - DSP firmware state definitions
+ * @SOF_FW_BOOT_NOT_STARTED: firmware boot is not yet started
+ * @SOF_DSPLESS_MODE: DSP is not used
+ * @SOF_FW_BOOT_PREPARE: preparing for boot (firmware loading for exaqmple)
+ * @SOF_FW_BOOT_IN_PROGRESS: firmware boot is in progress
+ * @SOF_FW_BOOT_FAILED: firmware boot failed
+ * @SOF_FW_BOOT_READY_FAILED: firmware booted but fw_ready op failed
+ * @SOF_FW_BOOT_READY_OK: firmware booted and fw_ready op passed
+ * @SOF_FW_BOOT_COMPLETE: firmware is booted up and functional
+ * @SOF_FW_CRASHED: firmware crashed after successful boot
+ */
+enum sof_fw_state {
+ SOF_FW_BOOT_NOT_STARTED = 0,
+ SOF_DSPLESS_MODE,
+ SOF_FW_BOOT_PREPARE,
+ SOF_FW_BOOT_IN_PROGRESS,
+ SOF_FW_BOOT_FAILED,
+ SOF_FW_BOOT_READY_FAILED,
+ SOF_FW_BOOT_READY_OK,
+ SOF_FW_BOOT_COMPLETE,
+ SOF_FW_CRASHED,
+};
+
+/* DSP power states */
+enum sof_dsp_power_states {
+ SOF_DSP_PM_D0,
+ SOF_DSP_PM_D1,
+ SOF_DSP_PM_D2,
+ SOF_DSP_PM_D3,
+};
+
+/* Definitions for multiple IPCs */
+enum sof_ipc_type {
+ SOF_IPC,
+ SOF_INTEL_IPC4,
+ SOF_IPC_TYPE_COUNT
+};
+
+/*
+ * SOF Platform data.
+ */
+struct snd_sof_pdata {
+ const char *name;
+ const char *platform;
+
+ /*
+ * PCI SSID. As PCI does not define 0 as invalid, the subsystem_id_set
+ * flag indicates that a value has been written to these members.
+ */
+ unsigned short subsystem_vendor;
+ unsigned short subsystem_device;
+ bool subsystem_id_set;
+
+ struct device *dev;
+
+ /*
+ * notification callback used if the hardware initialization
+ * can take time or is handled in a workqueue. This callback
+ * can be used by the caller to e.g. enable runtime_pm
+ * or limit functionality until all low-level inits are
+ * complete.
+ */
+ void (*sof_probe_complete)(struct device *dev);
+
+ /* descriptor */
+ const struct sof_dev_desc *desc;
+
+ /* firmware and topology filenames */
+ const char *fw_filename_prefix;
+ const char *fw_filename;
+ const char *tplg_filename_prefix;
+ const char *tplg_filename;
+
+ /* loadable external libraries available under this directory */
+ const char *fw_lib_prefix;
+
+ /* machine */
+ struct platform_device *pdev_mach;
+ const struct snd_soc_acpi_mach *machine;
+ const struct snd_sof_of_mach *of_machine;
+
+ void *hw_pdata;
+
+ enum sof_ipc_type ipc_type;
+};
+
+/*
+ * Descriptor used for setting up SOF platform data. This is used when
+ * ACPI/PCI data is missing or mapped differently.
+ */
+struct sof_dev_desc {
+ /* list of machines using this configuration */
+ struct snd_soc_acpi_mach *machines;
+ struct snd_sof_of_mach *of_machines;
+
+ /* alternate list of machines using this configuration */
+ struct snd_soc_acpi_mach *alt_machines;
+
+ bool use_acpi_target_states;
+
+ /* Platform resource indexes in BAR / ACPI resources. */
+ /* Must set to -1 if not used - add new items to end */
+ int resindex_lpe_base;
+ int resindex_pcicfg_base;
+ int resindex_imr_base;
+ int irqindex_host_ipc;
+
+ /* IPC timeouts in ms */
+ int ipc_timeout;
+ int boot_timeout;
+
+ /* chip information for dsp */
+ const void *chip_info;
+
+ /* defaults for no codec mode */
+ const char *nocodec_tplg_filename;
+
+ /* information on supported IPCs */
+ unsigned int ipc_supported_mask;
+ enum sof_ipc_type ipc_default;
+
+ /* The platform supports DSPless mode */
+ bool dspless_mode_supported;
+
+ /* defaults paths for firmware, library and topology files */
+ const char *default_fw_path[SOF_IPC_TYPE_COUNT];
+ const char *default_lib_path[SOF_IPC_TYPE_COUNT];
+ const char *default_tplg_path[SOF_IPC_TYPE_COUNT];
+
+ /* default firmware name */
+ const char *default_fw_filename[SOF_IPC_TYPE_COUNT];
+
+ struct snd_sof_dsp_ops *ops;
+ int (*ops_init)(struct snd_sof_dev *sdev);
+ void (*ops_free)(struct snd_sof_dev *sdev);
+};
+
+int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd);
+int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd);
+
+#endif