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linux/sound/soc/sof/sof-priv.h
Curtis Malainey ccb541a00b
ASoC: SOF: ipc: Add no reply inline calls 
95% of the calls inside SOF to TX an IPC don't care about a reply. Yet
the previous commit cleaned up a bunch of replies that were being
populated and then thrown away. This adds some functions so users who do
not need replies don't feel obligated to provide the space to the API.

Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20230419194057.42205-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-04-20 12:51:44 +01:00

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/* 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_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
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