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linux/sound/soc/sof/sof-priv.h
Ranjani Sridharan 9ea807488c
ASoC: SOF: add support for dynamic pipelines with multi-core 
This patch adds support for dynamic pipelines with multi-core
by using the platform-specific core_get/put() ops to
power up/down a core when a widget is set up/freed.

Along with this, a few redundant functions are removed:
1. sof_pipeline_core_enable() is no longer needed as the
pipeline core will be set up when the pipeline widget
is set up
2. sof_core_enable() is replaced with snd_sof_core_get()
4. core_power_up/down() DSP ops are deprecated and replaced with
core get/put ops.
5. Core power down in sof_widget_unload() during topology
removal is also removed as it is not really needed. For dynamic
pipelines, the cores will be powered off when they are not used.
For static pipelines, the cores will be powered off in the device
remove callback.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211119192621.4096077-10-kai.vehmanen@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-11-22 15:40:23 +00:00

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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>
/* debug flags */
#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_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)
#define SOF_DBG_DUMP_OPTIONAL BIT(4) /* only dump if SOF_DBG_PRINT_ALL_DUMPS is set */
/* global debug state set by SOF_DBG_ flags */
extern int sof_core_debug;
/* 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)
#define ENABLE_DEBUGFS_CACHEBUF \
(IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \
IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST))
/* 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
/* DSP power state */
enum sof_dsp_power_states {
SOF_DSP_PM_D0,
SOF_DSP_PM_D1,
SOF_DSP_PM_D2,
SOF_DSP_PM_D3_HOT,
SOF_DSP_PM_D3,
SOF_DSP_PM_D3_COLD,
};
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;
/*
* 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 sof_ipc_stream_params *ipc_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 */
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
/* Except for probe_pointer, all probe ops are mandatory */
int (*probe_assign)(struct snd_sof_dev *sdev,
struct snd_compr_stream *cstream,
struct snd_soc_dai *dai); /* mandatory */
int (*probe_free)(struct snd_sof_dev *sdev,
struct snd_compr_stream *cstream,
struct snd_soc_dai *dai); /* mandatory */
int (*probe_set_params)(struct snd_sof_dev *sdev,
struct snd_compr_stream *cstream,
struct snd_compr_params *params,
struct snd_soc_dai *dai); /* mandatory */
int (*probe_trigger)(struct snd_sof_dev *sdev,
struct snd_compr_stream *cstream, int cmd,
struct snd_soc_dai *dai); /* mandatory */
int (*probe_pointer)(struct snd_sof_dev *sdev,
struct snd_compr_stream *cstream,
struct snd_compr_tstamp *tstamp,
struct snd_soc_dai *dai); /* optional */
#endif
/* 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 configure DSP HW parameters */
int (*ipc_pcm_params)(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
const struct sof_ipc_pcm_params_reply *reply); /* mandatory */
/* 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,
u32 *stream_tag); /* 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 */
void (*machine_select)(struct snd_sof_dev *sdev); /* optional */
void (*set_mach_params)(const struct snd_soc_acpi_mach *mach,
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, void *oops);
void (*dsp_stack)(struct snd_sof_dev *sdev, 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 ENABLE_DEBUGFS_CACHEBUF
char *cache_buf; /* buffer to cache the contents of debugfs memory */
#endif
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_MSG_INJECTOR)
void *msg_inject_tx;
void *msg_inject_rx;
#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;
};
enum snd_sof_fw_state {
SOF_FW_BOOT_NOT_STARTED = 0,
SOF_FW_BOOT_PREPARE,
SOF_FW_BOOT_IN_PROGRESS,
SOF_FW_BOOT_FAILED,
SOF_FW_BOOT_READY_FAILED, /* firmware booted but fw_ready op failed */
SOF_FW_BOOT_COMPLETE,
};
/*
* 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 snd_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 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;
#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
unsigned int extractor_stream_tag;
#endif
/* 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];
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);
int snd_sof_create_page_table(struct device *dev,
struct snd_dma_buffer *dmab,
unsigned char *page_table, size_t size);
/*
* 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_stream_pcm_params(struct snd_sof_dev *sdev,
struct sof_ipc_pcm_params *params);
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 snd_sof_get_status(struct snd_sof_dev *sdev, 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, void *oops, u32 *stack,
u32 stack_words)
{
sof_dsp_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words);
}
static inline void sof_oops(struct snd_sof_dev *sdev, void *oops)
{
if (sof_dsp_arch_ops(sdev)->dsp_oops)
sof_dsp_arch_ops(sdev)->dsp_oops(sdev, oops);
}
extern const struct dsp_arch_ops sof_xtensa_arch_ops;
/*
* Firmware state tracking
*/
static inline void sof_set_fw_state(struct snd_sof_dev *sdev,
enum snd_sof_fw_state new_state)
{
if (sdev->fw_state == new_state)
return;
dev_dbg(sdev->dev, "fw_state change: %d -> %d\n", sdev->fw_state, new_state);
sdev->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_ipc_pcm_params(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
const struct sof_ipc_pcm_params_reply *reply);
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);
#endif
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