/* 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 */ #ifndef __SOUND_SOC_SOF_PRIV_H #define __SOUND_SOC_SOF_PRIV_H #include #include #include #include #include #include #include #include /* Flag definitions used in sof_core_debug (sof_debug module parameter) */ #define SOF_DBG_ENABLE_TRACE BIT(0) #define SOF_DBG_RETAIN_CTX BIT(1) /* prevent DSP D3 on FW exception */ #define SOF_DBG_VERIFY_TPLG BIT(2) /* verify topology during load */ #define SOF_DBG_DYNAMIC_PIPELINES_OVERRIDE BIT(3) /* 0: use topology token * 1: override topology */ #define SOF_DBG_DYNAMIC_PIPELINES_ENABLE BIT(4) /* 0: use static pipelines * 1: use dynamic pipelines */ #define SOF_DBG_DISABLE_MULTICORE BIT(5) /* schedule all pipelines/widgets * on primary core */ #define SOF_DBG_PRINT_ALL_DUMPS BIT(6) /* Print all ipc and dsp dumps */ #define SOF_DBG_IGNORE_D3_PERSISTENT BIT(7) /* ignore the DSP D3 persistent capability * and always download firmware upon D3 exit */ /* Flag definitions used for controlling the DSP dump behavior */ #define SOF_DBG_DUMP_REGS BIT(0) #define SOF_DBG_DUMP_MBOX BIT(1) #define SOF_DBG_DUMP_TEXT BIT(2) #define SOF_DBG_DUMP_PCI BIT(3) /* Output this dump (at the DEBUG level) only when SOF_DBG_PRINT_ALL_DUMPS is set */ #define SOF_DBG_DUMP_OPTIONAL BIT(4) /* global debug state set by SOF_DBG_ flags */ bool sof_debug_check_flag(int mask); /* max BARs mmaped devices can use */ #define SND_SOF_BARS 8 /* time in ms for runtime suspend delay */ #define SND_SOF_SUSPEND_DELAY_MS 2000 /* DMA buffer size for trace */ #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16) #define SOF_IPC_DSP_REPLY 0 #define SOF_IPC_HOST_REPLY 1 /* convenience constructor for DAI driver streams */ #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \ {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \ .rates = srates, .formats = sfmt} #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT) /* So far the primary core on all DSPs has ID 0 */ #define SOF_DSP_PRIMARY_CORE 0 /* max number of DSP cores */ #define SOF_MAX_DSP_NUM_CORES 8 struct sof_dsp_power_state { u32 state; u32 substate; /* platform-specific */ }; /* System suspend target state */ enum sof_system_suspend_state { SOF_SUSPEND_NONE = 0, SOF_SUSPEND_S0IX, SOF_SUSPEND_S3, }; enum sof_dfsentry_type { SOF_DFSENTRY_TYPE_IOMEM = 0, SOF_DFSENTRY_TYPE_BUF, }; enum sof_debugfs_access_type { SOF_DEBUGFS_ACCESS_ALWAYS = 0, SOF_DEBUGFS_ACCESS_D0_ONLY, }; struct snd_sof_dev; struct snd_sof_ipc_msg; struct snd_sof_ipc; struct snd_sof_debugfs_map; struct snd_soc_tplg_ops; struct snd_soc_component; struct snd_sof_pdata; /** * struct snd_sof_platform_stream_params - platform dependent stream parameters * @stream_tag: Stream tag to use * @use_phy_addr: Use the provided @phy_addr for configuration * @phy_addr: Platform dependent address to be used, if @use_phy_addr * is true * @no_ipc_position: Disable position update IPC from firmware */ struct snd_sof_platform_stream_params { u16 stream_tag; bool use_phy_address; u32 phy_addr; bool no_ipc_position; }; /* * SOF DSP HW abstraction operations. * Used to abstract DSP HW architecture and any IO busses between host CPU * and DSP device(s). */ struct snd_sof_dsp_ops { /* probe/remove/shutdown */ int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */ int (*remove)(struct snd_sof_dev *sof_dev); /* optional */ int (*shutdown)(struct snd_sof_dev *sof_dev); /* optional */ /* DSP core boot / reset */ int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */ int (*stall)(struct snd_sof_dev *sof_dev, unsigned int core_mask); /* optional */ int (*reset)(struct snd_sof_dev *sof_dev); /* optional */ int (*core_get)(struct snd_sof_dev *sof_dev, int core); /* optional */ int (*core_put)(struct snd_sof_dev *sof_dev, int core); /* optional */ /* * Register IO: only used by respective drivers themselves, * TODO: consider removing these operations and calling respective * implementations directly */ void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr, u32 value); /* optional */ u32 (*read)(struct snd_sof_dev *sof_dev, void __iomem *addr); /* optional */ void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr, u64 value); /* optional */ u64 (*read64)(struct snd_sof_dev *sof_dev, void __iomem *addr); /* optional */ /* memcpy IO */ int (*block_read)(struct snd_sof_dev *sof_dev, enum snd_sof_fw_blk_type type, u32 offset, void *dest, size_t size); /* mandatory */ int (*block_write)(struct snd_sof_dev *sof_dev, enum snd_sof_fw_blk_type type, u32 offset, void *src, size_t size); /* mandatory */ /* Mailbox IO */ void (*mailbox_read)(struct snd_sof_dev *sof_dev, u32 offset, void *dest, size_t size); /* optional */ void (*mailbox_write)(struct snd_sof_dev *sof_dev, u32 offset, void *src, size_t size); /* optional */ /* doorbell */ irqreturn_t (*irq_handler)(int irq, void *context); /* optional */ irqreturn_t (*irq_thread)(int irq, void *context); /* optional */ /* ipc */ int (*send_msg)(struct snd_sof_dev *sof_dev, struct snd_sof_ipc_msg *msg); /* mandatory */ /* FW loading */ int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */ int (*load_module)(struct snd_sof_dev *sof_dev, struct snd_sof_mod_hdr *hdr); /* optional */ /* * FW ready checks for ABI compatibility and creates * memory windows at first boot */ int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */ /* connect pcm substream to a host stream */ int (*pcm_open)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ /* disconnect pcm substream to a host stream */ int (*pcm_close)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ /* host stream hw params */ int (*pcm_hw_params)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_sof_platform_stream_params *platform_params); /* optional */ /* host stream hw_free */ int (*pcm_hw_free)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ /* host stream trigger */ int (*pcm_trigger)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, int cmd); /* optional */ /* host stream pointer */ snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ /* pcm ack */ int (*pcm_ack)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ /* host read DSP stream data */ int (*ipc_msg_data)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, void *p, size_t sz); /* mandatory */ /* host side configuration of the stream's data offset in stream mailbox area */ int (*set_stream_data_offset)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, size_t posn_offset); /* optional */ /* pre/post firmware run */ int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ /* parse platform specific extended manifest, optional */ int (*parse_platform_ext_manifest)(struct snd_sof_dev *sof_dev, const struct sof_ext_man_elem_header *hdr); /* DSP PM */ int (*suspend)(struct snd_sof_dev *sof_dev, u32 target_state); /* optional */ int (*resume)(struct snd_sof_dev *sof_dev); /* optional */ int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */ int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */ int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */ int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */ int (*set_power_state)(struct snd_sof_dev *sdev, const struct sof_dsp_power_state *target_state); /* optional */ /* DSP clocking */ int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */ /* debug */ const struct snd_sof_debugfs_map *debug_map; /* optional */ int debug_map_count; /* optional */ void (*dbg_dump)(struct snd_sof_dev *sof_dev, u32 flags); /* optional */ void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */ int (*debugfs_add_region_item)(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size, const char *name, enum sof_debugfs_access_type access_type); /* optional */ /* host DMA trace initialization */ int (*trace_init)(struct snd_sof_dev *sdev, struct sof_ipc_dma_trace_params_ext *dtrace_params); /* optional */ int (*trace_release)(struct snd_sof_dev *sdev); /* optional */ int (*trace_trigger)(struct snd_sof_dev *sdev, int cmd); /* optional */ /* misc */ int (*get_bar_index)(struct snd_sof_dev *sdev, u32 type); /* optional */ int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */ int (*get_window_offset)(struct snd_sof_dev *sdev, u32 id);/* mandatory for common loader code */ /* machine driver ops */ int (*machine_register)(struct snd_sof_dev *sdev, void *pdata); /* optional */ void (*machine_unregister)(struct snd_sof_dev *sdev, void *pdata); /* optional */ struct snd_soc_acpi_mach * (*machine_select)(struct snd_sof_dev *sdev); /* optional */ void (*set_mach_params)(struct snd_soc_acpi_mach *mach, struct snd_sof_dev *sdev); /* optional */ /* IPC client ops */ int (*register_ipc_clients)(struct snd_sof_dev *sdev); /* optional */ void (*unregister_ipc_clients)(struct snd_sof_dev *sdev); /* optional */ /* DAI ops */ struct snd_soc_dai_driver *drv; int num_drv; /* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */ u32 hw_info; const struct dsp_arch_ops *dsp_arch_ops; }; /* DSP architecture specific callbacks for oops and stack dumps */ struct dsp_arch_ops { void (*dsp_oops)(struct snd_sof_dev *sdev, const char *level, void *oops); void (*dsp_stack)(struct snd_sof_dev *sdev, const char *level, void *oops, u32 *stack, u32 stack_words); }; #define sof_dsp_arch_ops(sdev) ((sdev)->pdata->desc->ops->dsp_arch_ops) /* FS entry for debug files that can expose DSP memories, registers */ struct snd_sof_dfsentry { size_t size; size_t buf_data_size; /* length of buffered data for file read operation */ enum sof_dfsentry_type type; /* * access_type specifies if the * memory -> DSP resource (memory, register etc) is always accessible * or if it is accessible only when the DSP is in D0. */ enum sof_debugfs_access_type access_type; #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) char *cache_buf; /* buffer to cache the contents of debugfs memory */ #endif struct snd_sof_dev *sdev; struct list_head list; /* list in sdev dfsentry list */ union { void __iomem *io_mem; void *buf; }; }; /* Debug mapping for any DSP memory or registers that can used for debug */ struct snd_sof_debugfs_map { const char *name; u32 bar; u32 offset; u32 size; /* * access_type specifies if the memory is always accessible * or if it is accessible only when the DSP is in D0. */ enum sof_debugfs_access_type access_type; }; /* mailbox descriptor, used for host <-> DSP IPC */ struct snd_sof_mailbox { u32 offset; size_t size; }; /* IPC message descriptor for host <-> DSP IO */ struct snd_sof_ipc_msg { /* message data */ u32 header; void *msg_data; void *reply_data; size_t msg_size; size_t reply_size; int reply_error; wait_queue_head_t waitq; bool ipc_complete; }; struct sof_ipc_tplg_ops; /** * struct sof_ipc_ops - IPC-specific ops * @tplg: Pointer to IPC-specific topology ops */ struct sof_ipc_ops { const struct sof_ipc_tplg_ops *tplg; }; extern const struct sof_ipc_ops ipc3_ops; /* SOF generic IPC data */ struct snd_sof_ipc { struct snd_sof_dev *sdev; /* protects messages and the disable flag */ struct mutex tx_mutex; /* disables further sending of ipc's */ bool disable_ipc_tx; struct snd_sof_ipc_msg msg; /* IPC ops based on version */ const struct sof_ipc_ops *ops; }; /* * SOF Device Level. */ struct snd_sof_dev { struct device *dev; spinlock_t ipc_lock; /* lock for IPC users */ spinlock_t hw_lock; /* lock for HW IO access */ /* * ASoC components. plat_drv fields are set dynamically so * can't use const */ struct snd_soc_component_driver plat_drv; /* current DSP power state */ struct sof_dsp_power_state dsp_power_state; /* mutex to protect the dsp_power_state access */ struct mutex power_state_access; /* Intended power target of system suspend */ enum sof_system_suspend_state system_suspend_target; /* DSP firmware boot */ wait_queue_head_t boot_wait; enum sof_fw_state fw_state; bool first_boot; /* work queue in case the probe is implemented in two steps */ struct work_struct probe_work; bool probe_completed; /* DSP HW differentiation */ struct snd_sof_pdata *pdata; /* IPC */ struct snd_sof_ipc *ipc; struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */ struct snd_sof_mailbox host_box; /* Host initiated IPC */ struct snd_sof_mailbox stream_box; /* Stream position update */ struct snd_sof_mailbox debug_box; /* Debug info updates */ struct snd_sof_ipc_msg *msg; int ipc_irq; u32 next_comp_id; /* monotonic - reset during S3 */ /* memory bases for mmaped DSPs - set by dsp_init() */ void __iomem *bar[SND_SOF_BARS]; /* DSP base address */ int mmio_bar; int mailbox_bar; size_t dsp_oops_offset; /* debug */ struct dentry *debugfs_root; struct list_head dfsentry_list; bool dbg_dump_printed; bool ipc_dump_printed; /* firmware loader */ struct snd_dma_buffer dmab; struct snd_dma_buffer dmab_bdl; struct sof_ipc_fw_ready fw_ready; struct sof_ipc_fw_version fw_version; struct sof_ipc_cc_version *cc_version; /* topology */ struct snd_soc_tplg_ops *tplg_ops; struct list_head pcm_list; struct list_head kcontrol_list; struct list_head widget_list; struct list_head dai_list; struct list_head dai_link_list; struct list_head route_list; struct snd_soc_component *component; u32 enabled_cores_mask; /* keep track of enabled cores */ /* FW configuration */ struct sof_ipc_window *info_window; /* IPC timeouts in ms */ int ipc_timeout; int boot_timeout; /* DMA for Trace */ struct snd_dma_buffer dmatb; struct snd_dma_buffer dmatp; int dma_trace_pages; wait_queue_head_t trace_sleep; u32 host_offset; bool dtrace_is_supported; /* set with Kconfig or module parameter */ bool dtrace_is_enabled; bool dtrace_error; bool dtrace_draining; bool msi_enabled; /* DSP core context */ u32 num_cores; /* * ref count per core that will be modified during system suspend/resume and during pcm * hw_params/hw_free. This doesn't need to be protected with a mutex because pcm * hw_params/hw_free are already protected by the PCM mutex in the ALSA framework in * sound/core/ when streams are active and during system suspend/resume, streams are * already suspended. */ int dsp_core_ref_count[SOF_MAX_DSP_NUM_CORES]; /* * Used to keep track of registered IPC client devices so that they can * be removed when the parent SOF module is removed. */ struct list_head ipc_client_list; /* mutex to protect client list */ struct mutex ipc_client_mutex; /* * Used for tracking the IPC client's RX registration for DSP initiated * message handling. */ struct list_head ipc_rx_handler_list; /* * Used for tracking the IPC client's registration for DSP state change * notification */ struct list_head fw_state_handler_list; /* to protect the ipc_rx_handler_list and dsp_state_handler_list list */ struct mutex client_event_handler_mutex; void *private; /* core does not touch this */ }; /* * Device Level. */ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data); int snd_sof_device_remove(struct device *dev); int snd_sof_device_shutdown(struct device *dev); bool snd_sof_device_probe_completed(struct device *dev); int snd_sof_runtime_suspend(struct device *dev); int snd_sof_runtime_resume(struct device *dev); int snd_sof_runtime_idle(struct device *dev); int snd_sof_resume(struct device *dev); int snd_sof_suspend(struct device *dev); int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev); int snd_sof_prepare(struct device *dev); void snd_sof_complete(struct device *dev); void snd_sof_new_platform_drv(struct snd_sof_dev *sdev); /* * Compress support */ extern struct snd_compress_ops sof_compressed_ops; /* * Firmware loading. */ int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev); int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev); int snd_sof_run_firmware(struct snd_sof_dev *sdev); int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev, struct snd_sof_mod_hdr *module); void snd_sof_fw_unload(struct snd_sof_dev *sdev); /* * IPC low level APIs. */ struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev); void snd_sof_ipc_free(struct snd_sof_dev *sdev); void snd_sof_ipc_get_reply(struct snd_sof_dev *sdev); void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id); void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev); int snd_sof_ipc_valid(struct snd_sof_dev *sdev); int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header, void *msg_data, size_t msg_bytes, void *reply_data, size_t reply_bytes); int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header, void *msg_data, size_t msg_bytes, void *reply_data, size_t reply_bytes); int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev); static inline void snd_sof_ipc_process_reply(struct snd_sof_dev *sdev, u32 msg_id) { snd_sof_ipc_get_reply(sdev); snd_sof_ipc_reply(sdev, msg_id); } /* * Trace/debug */ int snd_sof_init_trace(struct snd_sof_dev *sdev); void snd_sof_release_trace(struct snd_sof_dev *sdev); void snd_sof_free_trace(struct snd_sof_dev *sdev); int snd_sof_dbg_init(struct snd_sof_dev *sdev); void snd_sof_free_debug(struct snd_sof_dev *sdev); int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, void *base, size_t size, const char *name, mode_t mode); int snd_sof_trace_update_pos(struct snd_sof_dev *sdev, struct sof_ipc_dma_trace_posn *posn); void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev); void sof_print_oops_and_stack(struct snd_sof_dev *sdev, const char *level, u32 panic_code, u32 tracep_code, void *oops, struct sof_ipc_panic_info *panic_info, void *stack, size_t stack_words); int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev); void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev); int snd_sof_dbg_memory_info_init(struct snd_sof_dev *sdev); int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size, const char *name, enum sof_debugfs_access_type access_type); /* * DSP Architectures. */ static inline void sof_stack(struct snd_sof_dev *sdev, const char *level, void *oops, u32 *stack, u32 stack_words) { sof_dsp_arch_ops(sdev)->dsp_stack(sdev, level, oops, stack, stack_words); } static inline void sof_oops(struct snd_sof_dev *sdev, const char *level, void *oops) { if (sof_dsp_arch_ops(sdev)->dsp_oops) sof_dsp_arch_ops(sdev)->dsp_oops(sdev, level, oops); } extern const struct dsp_arch_ops sof_xtensa_arch_ops; /* * Firmware state tracking */ void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state); /* * Utilities */ void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value); void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value); u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr); u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr); void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes); void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes); int sof_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, u32 offset, void *src, size_t size); int sof_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, u32 offset, void *dest, size_t size); int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id); int sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, void *p, size_t sz); int sof_set_stream_data_offset(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, size_t posn_offset); int sof_stream_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); int sof_stream_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); int sof_machine_check(struct snd_sof_dev *sdev); /* SOF client support */ #if IS_ENABLED(CONFIG_SND_SOC_SOF_CLIENT) int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, u32 id, const void *data, size_t size); void sof_client_dev_unregister(struct snd_sof_dev *sdev, const char *name, u32 id); int sof_register_clients(struct snd_sof_dev *sdev); void sof_unregister_clients(struct snd_sof_dev *sdev); void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf); void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev); int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state); int sof_resume_clients(struct snd_sof_dev *sdev); #else /* CONFIG_SND_SOC_SOF_CLIENT */ static inline int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, u32 id, const void *data, size_t size) { return 0; } static inline void sof_client_dev_unregister(struct snd_sof_dev *sdev, const char *name, u32 id) { } static inline int sof_register_clients(struct snd_sof_dev *sdev) { return 0; } static inline void sof_unregister_clients(struct snd_sof_dev *sdev) { } static inline void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf) { } static inline void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev) { } static inline int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state) { return 0; } static inline int sof_resume_clients(struct snd_sof_dev *sdev) { return 0; } #endif /* CONFIG_SND_SOC_SOF_CLIENT */ #endif