/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * HD audio Component Binding Interface * * Copyright (C) 2021 Cirrus Logic, Inc. and * Cirrus Logic International Semiconductor Ltd. */ #ifndef __HDA_COMPONENT_H__ #define __HDA_COMPONENT_H__ #include #include #include #define HDA_MAX_COMPONENTS 4 #define HDA_MAX_NAME_SIZE 50 struct hda_component { struct device *dev; char name[HDA_MAX_NAME_SIZE]; struct hda_codec *codec; struct acpi_device *adev; bool acpi_notifications_supported; void (*acpi_notify)(acpi_handle handle, u32 event, struct device *dev); void (*pre_playback_hook)(struct device *dev, int action); void (*playback_hook)(struct device *dev, int action); void (*post_playback_hook)(struct device *dev, int action); }; #ifdef CONFIG_ACPI void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps, acpi_handle handle, u32 event, void *data); int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc, struct hda_component *comps, int num_comps, acpi_notify_handler handler, void *data); void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc, struct hda_component *comps, acpi_notify_handler handler); #else static inline void hda_component_acpi_device_notify(struct hda_component *comps, int num_comps, acpi_handle handle, u32 event, void *data) { } static inline int hda_component_manager_bind_acpi_notifications(struct hda_codec *cdc, struct hda_component *comps, int num_comps, acpi_notify_handler handler, void *data) { return 0; } static inline void hda_component_manager_unbind_acpi_notifications(struct hda_codec *cdc, struct hda_component *comps, acpi_notify_handler handler) { } #endif /* ifdef CONFIG_ACPI */ void hda_component_manager_playback_hook(struct hda_component *comps, int num_comps, int action); int hda_component_manager_init(struct hda_codec *cdc, struct hda_component *comps, int count, const char *bus, const char *hid, const char *match_str, const struct component_master_ops *ops); void hda_component_manager_free(struct hda_codec *cdc, const struct component_master_ops *ops); static inline int hda_component_manager_bind(struct hda_codec *cdc, struct hda_component *comps) { return component_bind_all(hda_codec_dev(cdc), comps); } static inline void hda_component_manager_unbind(struct hda_codec *cdc, struct hda_component *comps) { component_unbind_all(hda_codec_dev(cdc), comps); } #endif /* ifndef __HDA_COMPONENT_H__ */