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Diffstat (limited to '')
| -rw-r--r-- | include/sound/sof.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/include/sound/sof.h b/include/sound/sof.h new file mode 100644 index 0000000000..51294f2ba3 --- /dev/null +++ b/include/sound/sof.h @@ -0,0 +1,162 @@ +/* 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 |