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Diffstat (limited to 'sound/soc/sof/sof-priv.h')
| -rw-r--r-- | sound/soc/sof/sof-priv.h | 872 |
1 files changed, 872 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h new file mode 100644 index 0000000000..d4f6702e93 --- /dev/null +++ b/sound/soc/sof/sof-priv.h @@ -0,0 +1,872 @@ +/* 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 __SOUND_SOC_SOF_PRIV_H +#define __SOUND_SOC_SOF_PRIV_H + +#include <linux/device.h> +#include <sound/hdaudio.h> +#include <sound/sof.h> +#include <sound/sof/info.h> +#include <sound/sof/pm.h> +#include <sound/sof/trace.h> +#include <uapi/sound/sof/fw.h> +#include <sound/sof/ext_manifest.h> + +struct snd_sof_pcm_stream; + +/* 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 + */ +#define SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS BIT(8) /* print DMA position updates + * in dmesg logs + */ +#define SOF_DBG_PRINT_IPC_SUCCESS_LOGS BIT(9) /* print IPC success + * in dmesg logs + */ +#define SOF_DBG_FORCE_NOCODEC BIT(10) /* ignore all codec-related + * configurations + */ +#define SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD BIT(11) /* On top of the IPC message header + * dump the message payload also + */ +#define SOF_DBG_DSPLESS_MODE BIT(15) /* Do not initialize and use the DSP */ + +/* 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, + SOF_SUSPEND_S4, + SOF_SUSPEND_S5, +}; + +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 sof_compr_stream { + u64 copied_total; + u32 sampling_rate; + u16 channels; + u16 sample_container_bytes; + size_t posn_offset; +}; + +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; + bool cont_update_posn; +}; + +/** + * struct sof_firmware - Container struct for SOF firmware + * @fw: Pointer to the firmware + * @payload_offset: Offset of the data within the loaded firmware image to be + * loaded to the DSP (skipping for example ext_manifest section) + */ +struct sof_firmware { + const struct firmware *fw; + u32 payload_offset; +}; + +/* + * 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 (*write8)(struct snd_sof_dev *sof_dev, void __iomem *addr, + u8 value); /* optional */ + u8 (*read8)(struct snd_sof_dev *sof_dev, + void __iomem *addr); /* optional */ + 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 */ + + /* 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 */ + + /* + * optional callback to retrieve the link DMA position for the substream + * when the position is not reported in the shared SRAM windows but + * instead from a host-accessible hardware counter. + */ + u64 (*get_stream_position)(struct snd_sof_dev *sdev, + struct snd_soc_component *component, + struct snd_pcm_substream *substream); /* optional */ + + /* host read DSP stream data */ + int (*ipc_msg_data)(struct snd_sof_dev *sdev, + struct snd_sof_pcm_stream *sps, + 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_sof_pcm_stream *sps, + 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 (IPC3) */ + int (*trace_init)(struct snd_sof_dev *sdev, + struct snd_dma_buffer *dmatb, + 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 */ + void *msg_data; + void *reply_data; + size_t msg_size; + size_t reply_size; + int reply_error; + + /* notification, firmware initiated messages */ + void *rx_data; + + wait_queue_head_t waitq; + bool ipc_complete; +}; + +/** + * struct sof_ipc_fw_tracing_ops - IPC-specific firmware tracing ops + * @init: Function pointer for initialization of the tracing + * @free: Optional function pointer for freeing of the tracing + * @fw_crashed: Optional function pointer to notify the tracing of a firmware crash + * @suspend: Function pointer for system/runtime suspend + * @resume: Function pointer for system/runtime resume + */ +struct sof_ipc_fw_tracing_ops { + int (*init)(struct snd_sof_dev *sdev); + void (*free)(struct snd_sof_dev *sdev); + void (*fw_crashed)(struct snd_sof_dev *sdev); + void (*suspend)(struct snd_sof_dev *sdev, pm_message_t pm_state); + int (*resume)(struct snd_sof_dev *sdev); +}; + +/** + * struct sof_ipc_pm_ops - IPC-specific PM ops + * @ctx_save: Optional function pointer for context save + * @ctx_restore: Optional function pointer for context restore + * @set_core_state: Optional function pointer for turning on/off a DSP core + * @set_pm_gate: Optional function pointer for pm gate settings + */ +struct sof_ipc_pm_ops { + int (*ctx_save)(struct snd_sof_dev *sdev); + int (*ctx_restore)(struct snd_sof_dev *sdev); + int (*set_core_state)(struct snd_sof_dev *sdev, int core_idx, bool on); + int (*set_pm_gate)(struct snd_sof_dev *sdev, u32 flags); +}; + +/** + * struct sof_ipc_fw_loader_ops - IPC/FW-specific loader ops + * @validate: Function pointer for validating the firmware image + * @parse_ext_manifest: Function pointer for parsing the manifest of the firmware + * @load_fw_to_dsp: Optional function pointer for loading the firmware to the + * DSP. + * The function implements generic, hardware independent way + * of loading the initial firmware and its modules (if any). + */ +struct sof_ipc_fw_loader_ops { + int (*validate)(struct snd_sof_dev *sdev); + size_t (*parse_ext_manifest)(struct snd_sof_dev *sdev); + int (*load_fw_to_dsp)(struct snd_sof_dev *sdev); +}; + +struct sof_ipc_tplg_ops; +struct sof_ipc_pcm_ops; + +/** + * struct sof_ipc_ops - IPC-specific ops + * @tplg: Pointer to IPC-specific topology ops + * @pm: Pointer to PM ops + * @pcm: Pointer to PCM ops + * @fw_loader: Pointer to Firmware Loader ops + * @fw_tracing: Optional pointer to Firmware tracing ops + * + * @init: Optional pointer for IPC related initialization + * @exit: Optional pointer for IPC related cleanup + * @post_fw_boot: Optional pointer to execute IPC related tasks after firmware + * boot. + * + * @tx_msg: Function pointer for sending a 'short' IPC message + * @set_get_data: Function pointer for set/get data ('large' IPC message). This + * function may split up the 'large' message and use the @tx_msg + * path to transfer individual chunks, or use other means to transfer + * the message. + * @get_reply: Function pointer for fetching the reply to + * sdev->ipc->msg.reply_data + * @rx_msg: Function pointer for handling a received message + * + * Note: both @tx_msg and @set_get_data considered as TX functions and they are + * serialized for the duration of the instructed transfer. A large message sent + * via @set_get_data is a single transfer even if at the hardware level it is + * handled with multiple chunks. + */ +struct sof_ipc_ops { + const struct sof_ipc_tplg_ops *tplg; + const struct sof_ipc_pm_ops *pm; + const struct sof_ipc_pcm_ops *pcm; + const struct sof_ipc_fw_loader_ops *fw_loader; + const struct sof_ipc_fw_tracing_ops *fw_tracing; + + int (*init)(struct snd_sof_dev *sdev); + void (*exit)(struct snd_sof_dev *sdev); + int (*post_fw_boot)(struct snd_sof_dev *sdev); + + int (*tx_msg)(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, + void *reply_data, size_t reply_bytes, bool no_pm); + int (*set_get_data)(struct snd_sof_dev *sdev, void *data, size_t data_bytes, + bool set); + int (*get_reply)(struct snd_sof_dev *sdev); + void (*rx_msg)(struct snd_sof_dev *sdev); +}; + +/* 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; + + /* Maximum allowed size of a single IPC message/reply */ + size_t max_payload_size; + + struct snd_sof_ipc_msg msg; + + /* IPC ops based on version */ + const struct sof_ipc_ops *ops; +}; + +/* Helper to retrieve the IPC ops */ +#define sof_ipc_get_ops(sdev, ops_name) \ + (((sdev)->ipc && (sdev)->ipc->ops) ? (sdev)->ipc->ops->ops_name : NULL) + +/* + * 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 */ + + /* + * When true the DSP is not used. + * It is set under the following condition: + * User sets the SOF_DBG_DSPLESS_MODE flag in sof_debug module parameter + * and + * the platform advertises that it can support such mode + * pdata->desc->dspless_mode_supported is true. + */ + bool dspless_mode_selected; + + /* Main, Base firmware image */ + struct sof_firmware basefw; + + /* + * 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 fw_info_box; /* FW shared memory */ + 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 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 pipeline_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 */ + bool led_present; + + /* FW configuration */ + struct sof_ipc_window *info_window; + + /* IPC timeouts in ms */ + int ipc_timeout; + int boot_timeout; + + /* firmwre tracing */ + bool fw_trace_is_supported; /* set with Kconfig or module parameter */ + void *fw_trace_data; /* private data used by firmware tracing implementation */ + + 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; + + /* quirks to override topology values */ + bool mclk_id_override; + u16 mclk_id_quirk; /* same size as in IPC3 definitions */ + + 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); +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); +static inline void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev) +{ + sdev->ipc->ops->rx_msg(sdev); +} +int sof_ipc_tx_message(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, + void *reply_data, size_t reply_bytes); +static inline int sof_ipc_tx_message_no_reply(struct snd_sof_ipc *ipc, void *msg_data, + size_t msg_bytes) +{ + return sof_ipc_tx_message(ipc, msg_data, msg_bytes, NULL, 0); +} +int sof_ipc_set_get_data(struct snd_sof_ipc *ipc, void *msg_data, + size_t msg_bytes, bool set); +int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, + void *reply_data, size_t reply_bytes); +static inline int sof_ipc_tx_message_no_pm_no_reply(struct snd_sof_ipc *ipc, void *msg_data, + size_t msg_bytes) +{ + return sof_ipc_tx_message_no_pm(ipc, msg_data, msg_bytes, NULL, 0); +} +int sof_ipc_send_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, + size_t reply_bytes); + +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_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); +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); +void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev, const char *msg); +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); +/* Firmware tracing */ +int sof_fw_trace_init(struct snd_sof_dev *sdev); +void sof_fw_trace_free(struct snd_sof_dev *sdev); +void sof_fw_trace_fw_crashed(struct snd_sof_dev *sdev); +void sof_fw_trace_suspend(struct snd_sof_dev *sdev, pm_message_t pm_state); +int sof_fw_trace_resume(struct snd_sof_dev *sdev); + +/* + * 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_ipc_msg_data(struct snd_sof_dev *sdev, + struct snd_sof_pcm_stream *sps, + void *p, size_t sz); +int sof_set_stream_data_offset(struct snd_sof_dev *sdev, + struct snd_sof_pcm_stream *sps, + 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 */ + +/* Main ops for IPC implementations */ +extern const struct sof_ipc_ops ipc3_ops; +extern const struct sof_ipc_ops ipc4_ops; + +#endif |