| /* 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_early)(struct snd_sof_dev *sof_dev); /* optional */ |
| int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */ |
| void (*remove)(struct snd_sof_dev *sof_dev); /* optional */ |
| void (*remove_late)(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 (firmware, libraries, topologies) file location |
| */ |
| int sof_create_ipc_file_profile(struct snd_sof_dev *sdev, |
| struct sof_loadable_file_profile *base_profile, |
| struct sof_loadable_file_profile *out_profile); |
| |
| /* |
| * 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); |
| |
| /* 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 |
