sound/soc/sof/ops.h - linux/kernel/git/bpf/bpf - Git at Google

 /* SPDX-License-Identifier: (GPL-2.0 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_IO_H
 #define __SOUND_SOC_SOF_IO_H

 #include <linux/device.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <sound/pcm.h>
 #include "sof-priv.h"

 #define sof_ops(sdev) \
 	((sdev)->pdata->desc->ops)

 /* Mandatory operations are verified during probing */

 /* init */
 static inline int snd_sof_probe(struct snd_sof_dev *sdev)
 {
 	return sof_ops(sdev)->probe(sdev);
 }

 static inline int snd_sof_remove(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->remove)
 		return sof_ops(sdev)->remove(sdev);

 	return 0;
 }

 /* control */

 /*
  * snd_sof_dsp_run returns the core mask of the cores that are available
  * after successful fw boot
  */
 static inline int snd_sof_dsp_run(struct snd_sof_dev *sdev)
 {
 	return sof_ops(sdev)->run(sdev);
 }

 static inline int snd_sof_dsp_stall(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->stall)
 		return sof_ops(sdev)->stall(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_reset(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->reset)
 		return sof_ops(sdev)->reset(sdev);

 	return 0;
 }

 /* dsp core power up/power down */
 static inline int snd_sof_dsp_core_power_up(struct snd_sof_dev *sdev,
 					    unsigned int core_mask)
 {
 	if (sof_ops(sdev)->core_power_up)
 		return sof_ops(sdev)->core_power_up(sdev, core_mask);

 	return 0;
 }

 static inline int snd_sof_dsp_core_power_down(struct snd_sof_dev *sdev,
 					      unsigned int core_mask)
 {
 	if (sof_ops(sdev)->core_power_down)
 		return sof_ops(sdev)->core_power_down(sdev, core_mask);

 	return 0;
 }

 /* pre/post fw load */
 static inline int snd_sof_dsp_pre_fw_run(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->pre_fw_run)
 		return sof_ops(sdev)->pre_fw_run(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_post_fw_run(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->post_fw_run)
 		return sof_ops(sdev)->post_fw_run(sdev);

 	return 0;
 }

 /* misc */

 /**
  * snd_sof_dsp_get_bar_index - Maps a section type with a BAR index
  *
  * @sdev: sof device
  * @type: section type as described by snd_sof_fw_blk_type
  *
  * Returns the corresponding BAR index (a positive integer) or -EINVAL
  * in case there is no mapping
  */
 static inline int snd_sof_dsp_get_bar_index(struct snd_sof_dev *sdev, u32 type)
 {
 	if (sof_ops(sdev)->get_bar_index)
 		return sof_ops(sdev)->get_bar_index(sdev, type);

 	return sdev->mmio_bar;
 }

 static inline int snd_sof_dsp_get_mailbox_offset(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->get_mailbox_offset)
 		return sof_ops(sdev)->get_mailbox_offset(sdev);

 	dev_err(sdev->dev, "error: %s not defined\n", __func__);
 	return -ENOTSUPP;
 }

 static inline int snd_sof_dsp_get_window_offset(struct snd_sof_dev *sdev,
 						u32 id)
 {
 	if (sof_ops(sdev)->get_window_offset)
 		return sof_ops(sdev)->get_window_offset(sdev, id);

 	dev_err(sdev->dev, "error: %s not defined\n", __func__);
 	return -ENOTSUPP;
 }
 /* power management */
 static inline int snd_sof_dsp_resume(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->resume)
 		return sof_ops(sdev)->resume(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_suspend(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->suspend)
 		return sof_ops(sdev)->suspend(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_runtime_resume(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->runtime_resume)
 		return sof_ops(sdev)->runtime_resume(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_runtime_suspend(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->runtime_suspend)
 		return sof_ops(sdev)->runtime_suspend(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_runtime_idle(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->runtime_idle)
 		return sof_ops(sdev)->runtime_idle(sdev);

 	return 0;
 }

 static inline int snd_sof_dsp_hw_params_upon_resume(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->set_hw_params_upon_resume)
 		return sof_ops(sdev)->set_hw_params_upon_resume(sdev);
 	return 0;
 }

 static inline int snd_sof_dsp_set_clk(struct snd_sof_dev *sdev, u32 freq)
 {
 	if (sof_ops(sdev)->set_clk)
 		return sof_ops(sdev)->set_clk(sdev, freq);

 	return 0;
 }

 static inline int snd_sof_dsp_set_power_state(struct snd_sof_dev *sdev,
 					      enum sof_d0_substate substate)
 {
 	if (sof_ops(sdev)->set_power_state)
 		return sof_ops(sdev)->set_power_state(sdev, substate);

 	/* D0 substate is not supported */
 	return -ENOTSUPP;
 }

 /* debug */
 static inline void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, u32 flags)
 {
 	if (sof_ops(sdev)->dbg_dump)
 		return sof_ops(sdev)->dbg_dump(sdev, flags);
 }

 static inline void snd_sof_ipc_dump(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->ipc_dump)
 		return sof_ops(sdev)->ipc_dump(sdev);
 }

 /* register IO */
 static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar,
 				     u32 offset, u32 value)
 {
 	if (sof_ops(sdev)->write) {
 		sof_ops(sdev)->write(sdev, sdev->bar[bar] + offset, value);
 		return;
 	}

 	dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
 }

 static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar,
 				       u32 offset, u64 value)
 {
 	if (sof_ops(sdev)->write64) {
 		sof_ops(sdev)->write64(sdev, sdev->bar[bar] + offset, value);
 		return;
 	}

 	dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
 }

 static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
 				   u32 offset)
 {
 	if (sof_ops(sdev)->read)
 		return sof_ops(sdev)->read(sdev, sdev->bar[bar] + offset);

 	dev_err(sdev->dev, "error: %s not defined\n", __func__);
 	return -ENOTSUPP;
 }

 static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
 				     u32 offset)
 {
 	if (sof_ops(sdev)->read64)
 		return sof_ops(sdev)->read64(sdev, sdev->bar[bar] + offset);

 	dev_err(sdev->dev, "error: %s not defined\n", __func__);
 	return -ENOTSUPP;
 }

 /* block IO */
 static inline void snd_sof_dsp_block_read(struct snd_sof_dev *sdev, u32 bar,
 					  u32 offset, void *dest, size_t bytes)
 {
 	sof_ops(sdev)->block_read(sdev, bar, offset, dest, bytes);
 }

 static inline void snd_sof_dsp_block_write(struct snd_sof_dev *sdev, u32 bar,
 					   u32 offset, void *src, size_t bytes)
 {
 	sof_ops(sdev)->block_write(sdev, bar, offset, src, bytes);
 }

 /* ipc */
 static inline int snd_sof_dsp_send_msg(struct snd_sof_dev *sdev,
 				       struct snd_sof_ipc_msg *msg)
 {
 	return sof_ops(sdev)->send_msg(sdev, msg);
 }

 /* host DMA trace */
 static inline int snd_sof_dma_trace_init(struct snd_sof_dev *sdev,
 					 u32 *stream_tag)
 {
 	if (sof_ops(sdev)->trace_init)
 		return sof_ops(sdev)->trace_init(sdev, stream_tag);

 	return 0;
 }

 static inline int snd_sof_dma_trace_release(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev)->trace_release)
 		return sof_ops(sdev)->trace_release(sdev);

 	return 0;
 }

 static inline int snd_sof_dma_trace_trigger(struct snd_sof_dev *sdev, int cmd)
 {
 	if (sof_ops(sdev)->trace_trigger)
 		return sof_ops(sdev)->trace_trigger(sdev, cmd);

 	return 0;
 }

 /* host PCM ops */
 static inline int
 snd_sof_pcm_platform_open(struct snd_sof_dev *sdev,
 			  struct snd_pcm_substream *substream)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->pcm_open)
 		return sof_ops(sdev)->pcm_open(sdev, substream);

 	return 0;
 }

 /* disconnect pcm substream to a host stream */
 static inline int
 snd_sof_pcm_platform_close(struct snd_sof_dev *sdev,
 			   struct snd_pcm_substream *substream)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->pcm_close)
 		return sof_ops(sdev)->pcm_close(sdev, substream);

 	return 0;
 }

 /* host stream hw params */
 static inline int
 snd_sof_pcm_platform_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)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_params)
 		return sof_ops(sdev)->pcm_hw_params(sdev, substream,
 						    params, ipc_params);

 	return 0;
 }

 /* host stream hw free */
 static inline int
 snd_sof_pcm_platform_hw_free(struct snd_sof_dev *sdev,
 			     struct snd_pcm_substream *substream)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_free)
 		return sof_ops(sdev)->pcm_hw_free(sdev, substream);

 	return 0;
 }

 /* host stream trigger */
 static inline int
 snd_sof_pcm_platform_trigger(struct snd_sof_dev *sdev,
 			     struct snd_pcm_substream *substream, int cmd)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->pcm_trigger)
 		return sof_ops(sdev)->pcm_trigger(sdev, substream, cmd);

 	return 0;
 }

 /* host DSP message data */
 static inline void snd_sof_ipc_msg_data(struct snd_sof_dev *sdev,
 					struct snd_pcm_substream *substream,
 					void *p, size_t sz)
 {
 	sof_ops(sdev)->ipc_msg_data(sdev, substream, p, sz);
 }

 /* host configure DSP HW parameters */
 static inline int
 snd_sof_ipc_pcm_params(struct snd_sof_dev *sdev,
 		       struct snd_pcm_substream *substream,
 		       const struct sof_ipc_pcm_params_reply *reply)
 {
 	return sof_ops(sdev)->ipc_pcm_params(sdev, substream, reply);
 }

 /* host stream pointer */
 static inline snd_pcm_uframes_t
 snd_sof_pcm_platform_pointer(struct snd_sof_dev *sdev,
 			     struct snd_pcm_substream *substream)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->pcm_pointer)
 		return sof_ops(sdev)->pcm_pointer(sdev, substream);

 	return 0;
 }

 /* machine driver */
 static inline int
 snd_sof_machine_register(struct snd_sof_dev *sdev, void *pdata)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->machine_register)
 		return sof_ops(sdev)->machine_register(sdev, pdata);

 	return 0;
 }

 static inline void
 snd_sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->machine_unregister)
 		sof_ops(sdev)->machine_unregister(sdev, pdata);
 }

 static inline void
 snd_sof_machine_select(struct snd_sof_dev *sdev)
 {
 	if (sof_ops(sdev) && sof_ops(sdev)->machine_select)
 		sof_ops(sdev)->machine_select(sdev);
 }

 static inline void
 snd_sof_set_mach_params(const struct snd_soc_acpi_mach *mach,
 			struct device *dev)
 {
 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);

 	if (sof_ops(sdev) && sof_ops(sdev)->set_mach_params)
 		sof_ops(sdev)->set_mach_params(mach, dev);
 }

 static inline const struct snd_sof_dsp_ops
 *sof_get_ops(const struct sof_dev_desc *d,
 	     const struct sof_ops_table mach_ops[], int asize)
 {
 	int i;

 	for (i = 0; i < asize; i++) {
 		if (d == mach_ops[i].desc)
 			return mach_ops[i].ops;
 	}

 	/* not found */
 	return NULL;
 }

 /**
  * snd_sof_dsp_register_poll_timeout - Periodically poll an address
  * until a condition is met or a timeout occurs
  * @op: accessor function (takes @addr as its only argument)
  * @addr: Address to poll
  * @val: Variable to read the value into
  * @cond: Break condition (usually involving @val)
  * @sleep_us: Maximum time to sleep between reads in us (0
  *            tight-loops).  Should be less than ~20ms since usleep_range
  *            is used (see Documentation/timers/timers-howto.rst).
  * @timeout_us: Timeout in us, 0 means never timeout
  *
  * Returns 0 on success and -ETIMEDOUT upon a timeout. In either
  * case, the last read value at @addr is stored in @val. Must not
  * be called from atomic context if sleep_us or timeout_us are used.
  *
  * This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
  */
 #define snd_sof_dsp_read_poll_timeout(sdev, bar, offset, val, cond, sleep_us, timeout_us) \
 ({ \
 	u64 __timeout_us = (timeout_us); \
 	unsigned long __sleep_us = (sleep_us); \
 	ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
 	might_sleep_if((__sleep_us) != 0); \
 	for (;;) {							\
 		(val) = snd_sof_dsp_read(sdev, bar, offset);		\
 		if (cond) { \
 			dev_dbg(sdev->dev, \
 				"FW Poll Status: reg=%#x successful\n", (val)); \
 			break; \
 		} \
 		if (__timeout_us && \
 		    ktime_compare(ktime_get(), __timeout) > 0) { \
 			(val) = snd_sof_dsp_read(sdev, bar, offset); \
 			dev_dbg(sdev->dev, \
 				"FW Poll Status: reg=%#x timedout\n", (val)); \
 			break; \
 		} \
 		if (__sleep_us) \
 			usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
 	} \
 	(cond) ? 0 : -ETIMEDOUT; \
 })

 /* This is for registers bits with attribute RWC */
 bool snd_sof_pci_update_bits(struct snd_sof_dev *sdev, u32 offset,
 			     u32 mask, u32 value);

 bool snd_sof_dsp_update_bits_unlocked(struct snd_sof_dev *sdev, u32 bar,
 				      u32 offset, u32 mask, u32 value);

 bool snd_sof_dsp_update_bits64_unlocked(struct snd_sof_dev *sdev, u32 bar,
 					u32 offset, u64 mask, u64 value);

 bool snd_sof_dsp_update_bits(struct snd_sof_dev *sdev, u32 bar, u32 offset,
 			     u32 mask, u32 value);

 bool snd_sof_dsp_update_bits64(struct snd_sof_dev *sdev, u32 bar,
 			       u32 offset, u64 mask, u64 value);

 void snd_sof_dsp_update_bits_forced(struct snd_sof_dev *sdev, u32 bar,
 				    u32 offset, u32 mask, u32 value);

 int snd_sof_dsp_register_poll(struct snd_sof_dev *sdev, u32 bar, u32 offset,
 			      u32 mask, u32 target, u32 timeout_ms,
 			      u32 interval_us);

 void snd_sof_dsp_panic(struct snd_sof_dev *sdev, u32 offset);
 #endif
	/* SPDX-License-Identifier: (GPL-2.0 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_IO_H
	#define __SOUND_SOC_SOF_IO_H

	#include <linux/device.h>
	#include <linux/interrupt.h>
	#include <linux/kernel.h>
	#include <linux/types.h>
	#include <sound/pcm.h>
	#include "sof-priv.h"

	#define sof_ops(sdev) \
	((sdev)->pdata->desc->ops)

	/* Mandatory operations are verified during probing */

	/* init */
	static inline int snd_sof_probe(struct snd_sof_dev *sdev)
	{
	return sof_ops(sdev)->probe(sdev);
	}

	static inline int snd_sof_remove(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->remove)
	return sof_ops(sdev)->remove(sdev);

	return 0;
	}

	/* control */

	/*
	* snd_sof_dsp_run returns the core mask of the cores that are available
	* after successful fw boot
	*/
	static inline int snd_sof_dsp_run(struct snd_sof_dev *sdev)
	{
	return sof_ops(sdev)->run(sdev);
	}

	static inline int snd_sof_dsp_stall(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->stall)
	return sof_ops(sdev)->stall(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_reset(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->reset)
	return sof_ops(sdev)->reset(sdev);

	return 0;
	}

	/* dsp core power up/power down */
	static inline int snd_sof_dsp_core_power_up(struct snd_sof_dev *sdev,
	unsigned int core_mask)
	{
	if (sof_ops(sdev)->core_power_up)
	return sof_ops(sdev)->core_power_up(sdev, core_mask);

	return 0;
	}

	static inline int snd_sof_dsp_core_power_down(struct snd_sof_dev *sdev,
	unsigned int core_mask)
	{
	if (sof_ops(sdev)->core_power_down)
	return sof_ops(sdev)->core_power_down(sdev, core_mask);

	return 0;
	}

	/* pre/post fw load */
	static inline int snd_sof_dsp_pre_fw_run(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->pre_fw_run)
	return sof_ops(sdev)->pre_fw_run(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_post_fw_run(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->post_fw_run)
	return sof_ops(sdev)->post_fw_run(sdev);

	return 0;
	}

	/* misc */

	/**
	* snd_sof_dsp_get_bar_index - Maps a section type with a BAR index
	*
	* @sdev: sof device
	* @type: section type as described by snd_sof_fw_blk_type
	*
	* Returns the corresponding BAR index (a positive integer) or -EINVAL
	* in case there is no mapping
	*/
	static inline int snd_sof_dsp_get_bar_index(struct snd_sof_dev *sdev, u32 type)
	{
	if (sof_ops(sdev)->get_bar_index)
	return sof_ops(sdev)->get_bar_index(sdev, type);

	return sdev->mmio_bar;
	}

	static inline int snd_sof_dsp_get_mailbox_offset(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->get_mailbox_offset)
	return sof_ops(sdev)->get_mailbox_offset(sdev);

	dev_err(sdev->dev, "error: %s not defined\n", __func__);
	return -ENOTSUPP;
	}

	static inline int snd_sof_dsp_get_window_offset(struct snd_sof_dev *sdev,
	u32 id)
	{
	if (sof_ops(sdev)->get_window_offset)
	return sof_ops(sdev)->get_window_offset(sdev, id);

	dev_err(sdev->dev, "error: %s not defined\n", __func__);
	return -ENOTSUPP;
	}
	/* power management */
	static inline int snd_sof_dsp_resume(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->resume)
	return sof_ops(sdev)->resume(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_suspend(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->suspend)
	return sof_ops(sdev)->suspend(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_runtime_resume(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->runtime_resume)
	return sof_ops(sdev)->runtime_resume(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_runtime_suspend(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->runtime_suspend)
	return sof_ops(sdev)->runtime_suspend(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_runtime_idle(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->runtime_idle)
	return sof_ops(sdev)->runtime_idle(sdev);

	return 0;
	}

	static inline int snd_sof_dsp_hw_params_upon_resume(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->set_hw_params_upon_resume)
	return sof_ops(sdev)->set_hw_params_upon_resume(sdev);
	return 0;
	}

	static inline int snd_sof_dsp_set_clk(struct snd_sof_dev *sdev, u32 freq)
	{
	if (sof_ops(sdev)->set_clk)
	return sof_ops(sdev)->set_clk(sdev, freq);

	return 0;
	}

	static inline int snd_sof_dsp_set_power_state(struct snd_sof_dev *sdev,
	enum sof_d0_substate substate)
	{
	if (sof_ops(sdev)->set_power_state)
	return sof_ops(sdev)->set_power_state(sdev, substate);

	/* D0 substate is not supported */
	return -ENOTSUPP;
	}

	/* debug */
	static inline void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, u32 flags)
	{
	if (sof_ops(sdev)->dbg_dump)
	return sof_ops(sdev)->dbg_dump(sdev, flags);
	}

	static inline void snd_sof_ipc_dump(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->ipc_dump)
	return sof_ops(sdev)->ipc_dump(sdev);
	}

	/* register IO */
	static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, u32 value)
	{
	if (sof_ops(sdev)->write) {
	sof_ops(sdev)->write(sdev, sdev->bar[bar] + offset, value);
	return;
	}

	dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
	}

	static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, u64 value)
	{
	if (sof_ops(sdev)->write64) {
	sof_ops(sdev)->write64(sdev, sdev->bar[bar] + offset, value);
	return;
	}

	dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
	}

	static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
	u32 offset)
	{
	if (sof_ops(sdev)->read)
	return sof_ops(sdev)->read(sdev, sdev->bar[bar] + offset);

	dev_err(sdev->dev, "error: %s not defined\n", __func__);
	return -ENOTSUPP;
	}

	static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
	u32 offset)
	{
	if (sof_ops(sdev)->read64)
	return sof_ops(sdev)->read64(sdev, sdev->bar[bar] + offset);

	dev_err(sdev->dev, "error: %s not defined\n", __func__);
	return -ENOTSUPP;
	}

	/* block IO */
	static inline void snd_sof_dsp_block_read(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, void *dest, size_t bytes)
	{
	sof_ops(sdev)->block_read(sdev, bar, offset, dest, bytes);
	}

	static inline void snd_sof_dsp_block_write(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, void *src, size_t bytes)
	{
	sof_ops(sdev)->block_write(sdev, bar, offset, src, bytes);
	}

	/* ipc */
	static inline int snd_sof_dsp_send_msg(struct snd_sof_dev *sdev,
	struct snd_sof_ipc_msg *msg)
	{
	return sof_ops(sdev)->send_msg(sdev, msg);
	}

	/* host DMA trace */
	static inline int snd_sof_dma_trace_init(struct snd_sof_dev *sdev,
	u32 *stream_tag)
	{
	if (sof_ops(sdev)->trace_init)
	return sof_ops(sdev)->trace_init(sdev, stream_tag);

	return 0;
	}

	static inline int snd_sof_dma_trace_release(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev)->trace_release)
	return sof_ops(sdev)->trace_release(sdev);

	return 0;
	}

	static inline int snd_sof_dma_trace_trigger(struct snd_sof_dev *sdev, int cmd)
	{
	if (sof_ops(sdev)->trace_trigger)
	return sof_ops(sdev)->trace_trigger(sdev, cmd);

	return 0;
	}

	/* host PCM ops */
	static inline int
	snd_sof_pcm_platform_open(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->pcm_open)
	return sof_ops(sdev)->pcm_open(sdev, substream);

	return 0;
	}

	/* disconnect pcm substream to a host stream */
	static inline int
	snd_sof_pcm_platform_close(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->pcm_close)
	return sof_ops(sdev)->pcm_close(sdev, substream);

	return 0;
	}

	/* host stream hw params */
	static inline int
	snd_sof_pcm_platform_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)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_params)
	return sof_ops(sdev)->pcm_hw_params(sdev, substream,
	params, ipc_params);

	return 0;
	}

	/* host stream hw free */
	static inline int
	snd_sof_pcm_platform_hw_free(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_free)
	return sof_ops(sdev)->pcm_hw_free(sdev, substream);

	return 0;
	}

	/* host stream trigger */
	static inline int
	snd_sof_pcm_platform_trigger(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream, int cmd)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->pcm_trigger)
	return sof_ops(sdev)->pcm_trigger(sdev, substream, cmd);

	return 0;
	}

	/* host DSP message data */
	static inline void snd_sof_ipc_msg_data(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream,
	void *p, size_t sz)
	{
	sof_ops(sdev)->ipc_msg_data(sdev, substream, p, sz);
	}

	/* host configure DSP HW parameters */
	static inline int
	snd_sof_ipc_pcm_params(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream,
	const struct sof_ipc_pcm_params_reply *reply)
	{
	return sof_ops(sdev)->ipc_pcm_params(sdev, substream, reply);
	}

	/* host stream pointer */
	static inline snd_pcm_uframes_t
	snd_sof_pcm_platform_pointer(struct snd_sof_dev *sdev,
	struct snd_pcm_substream *substream)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->pcm_pointer)
	return sof_ops(sdev)->pcm_pointer(sdev, substream);

	return 0;
	}

	/* machine driver */
	static inline int
	snd_sof_machine_register(struct snd_sof_dev sdev, void pdata)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->machine_register)
	return sof_ops(sdev)->machine_register(sdev, pdata);

	return 0;
	}

	static inline void
	snd_sof_machine_unregister(struct snd_sof_dev sdev, void pdata)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->machine_unregister)
	sof_ops(sdev)->machine_unregister(sdev, pdata);
	}

	static inline void
	snd_sof_machine_select(struct snd_sof_dev *sdev)
	{
	if (sof_ops(sdev) && sof_ops(sdev)->machine_select)
	sof_ops(sdev)->machine_select(sdev);
	}

	static inline void
	snd_sof_set_mach_params(const struct snd_soc_acpi_mach *mach,
	struct device *dev)
	{
	struct snd_sof_dev *sdev = dev_get_drvdata(dev);

	if (sof_ops(sdev) && sof_ops(sdev)->set_mach_params)
	sof_ops(sdev)->set_mach_params(mach, dev);
	}

	static inline const struct snd_sof_dsp_ops
	sof_get_ops(const struct sof_dev_desc d,
	const struct sof_ops_table mach_ops[], int asize)
	{
	int i;

	for (i = 0; i < asize; i++) {
	if (d == mach_ops[i].desc)
	return mach_ops[i].ops;
	}

	/* not found */
	return NULL;
	}

	/**
	* snd_sof_dsp_register_poll_timeout - Periodically poll an address
	* until a condition is met or a timeout occurs
	* @op: accessor function (takes @addr as its only argument)
	* @addr: Address to poll
	* @val: Variable to read the value into
	* @cond: Break condition (usually involving @val)
	* @sleep_us: Maximum time to sleep between reads in us (0
	* tight-loops). Should be less than ~20ms since usleep_range
	* is used (see Documentation/timers/timers-howto.rst).
	* @timeout_us: Timeout in us, 0 means never timeout
	*
	* Returns 0 on success and -ETIMEDOUT upon a timeout. In either
	* case, the last read value at @addr is stored in @val. Must not
	* be called from atomic context if sleep_us or timeout_us are used.
	*
	* This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
	*/
	#define snd_sof_dsp_read_poll_timeout(sdev, bar, offset, val, cond, sleep_us, timeout_us) \
	({ \
	u64 __timeout_us = (timeout_us); \
	unsigned long __sleep_us = (sleep_us); \
	ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
	might_sleep_if((__sleep_us) != 0); \
	for (;;) { \
	(val) = snd_sof_dsp_read(sdev, bar, offset); \
	if (cond) { \
	dev_dbg(sdev->dev, \
	"FW Poll Status: reg=%#x successful\n", (val)); \
	break; \
	} \
	if (__timeout_us && \
	ktime_compare(ktime_get(), __timeout) > 0) { \
	(val) = snd_sof_dsp_read(sdev, bar, offset); \
	dev_dbg(sdev->dev, \
	"FW Poll Status: reg=%#x timedout\n", (val)); \
	break; \
	} \
	if (__sleep_us) \
	usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
	} \
	(cond) ? 0 : -ETIMEDOUT; \
	})

	/* This is for registers bits with attribute RWC */
	bool snd_sof_pci_update_bits(struct snd_sof_dev *sdev, u32 offset,
	u32 mask, u32 value);

	bool snd_sof_dsp_update_bits_unlocked(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, u32 mask, u32 value);

	bool snd_sof_dsp_update_bits64_unlocked(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, u64 mask, u64 value);

	bool snd_sof_dsp_update_bits(struct snd_sof_dev *sdev, u32 bar, u32 offset,
	u32 mask, u32 value);

	bool snd_sof_dsp_update_bits64(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, u64 mask, u64 value);

	void snd_sof_dsp_update_bits_forced(struct snd_sof_dev *sdev, u32 bar,
	u32 offset, u32 mask, u32 value);

	int snd_sof_dsp_register_poll(struct snd_sof_dev *sdev, u32 bar, u32 offset,
	u32 mask, u32 target, u32 timeout_ms,
	u32 interval_us);

	void snd_sof_dsp_panic(struct snd_sof_dev *sdev, u32 offset);
	#endif