596 lines
15 KiB
C
596 lines
15 KiB
C
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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* Copyright(c) 2018 Intel Corporation. All rights reserved.
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*
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* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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*/
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#ifndef __SOUND_SOC_SOF_IO_H
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#define __SOUND_SOC_SOF_IO_H
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#include <linux/device.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <sound/pcm.h>
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#include "sof-priv.h"
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#define sof_ops(sdev) \
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((sdev)->pdata->desc->ops)
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static inline int sof_ops_init(struct snd_sof_dev *sdev)
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{
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if (sdev->pdata->desc->ops_init)
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return sdev->pdata->desc->ops_init(sdev);
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return 0;
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}
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static inline void sof_ops_free(struct snd_sof_dev *sdev)
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{
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if (sdev->pdata->desc->ops_free)
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sdev->pdata->desc->ops_free(sdev);
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}
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/* Mandatory operations are verified during probing */
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/* init */
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static inline int snd_sof_probe(struct snd_sof_dev *sdev)
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{
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return sof_ops(sdev)->probe(sdev);
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}
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static inline int snd_sof_remove(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->remove)
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return sof_ops(sdev)->remove(sdev);
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return 0;
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}
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static inline int snd_sof_shutdown(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->shutdown)
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return sof_ops(sdev)->shutdown(sdev);
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return 0;
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}
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/* control */
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/*
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* snd_sof_dsp_run returns the core mask of the cores that are available
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* after successful fw boot
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*/
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static inline int snd_sof_dsp_run(struct snd_sof_dev *sdev)
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{
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return sof_ops(sdev)->run(sdev);
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}
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static inline int snd_sof_dsp_stall(struct snd_sof_dev *sdev, unsigned int core_mask)
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{
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if (sof_ops(sdev)->stall)
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return sof_ops(sdev)->stall(sdev, core_mask);
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return 0;
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}
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static inline int snd_sof_dsp_reset(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->reset)
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return sof_ops(sdev)->reset(sdev);
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return 0;
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}
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/* dsp core get/put */
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static inline int snd_sof_dsp_core_get(struct snd_sof_dev *sdev, int core)
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{
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if (core > sdev->num_cores - 1) {
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dev_err(sdev->dev, "invalid core id: %d for num_cores: %d\n", core,
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sdev->num_cores);
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return -EINVAL;
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}
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if (sof_ops(sdev)->core_get) {
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int ret;
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/* if current ref_count is > 0, increment it and return */
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if (sdev->dsp_core_ref_count[core] > 0) {
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sdev->dsp_core_ref_count[core]++;
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return 0;
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}
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/* power up the core */
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ret = sof_ops(sdev)->core_get(sdev, core);
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if (ret < 0)
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return ret;
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/* increment ref_count */
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sdev->dsp_core_ref_count[core]++;
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/* and update enabled_cores_mask */
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sdev->enabled_cores_mask |= BIT(core);
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dev_dbg(sdev->dev, "Core %d powered up\n", core);
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}
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return 0;
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}
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static inline int snd_sof_dsp_core_put(struct snd_sof_dev *sdev, int core)
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{
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if (core > sdev->num_cores - 1) {
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dev_err(sdev->dev, "invalid core id: %d for num_cores: %d\n", core,
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sdev->num_cores);
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return -EINVAL;
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}
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if (sof_ops(sdev)->core_put) {
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int ret;
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/* decrement ref_count and return if it is > 0 */
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if (--(sdev->dsp_core_ref_count[core]) > 0)
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return 0;
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/* power down the core */
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ret = sof_ops(sdev)->core_put(sdev, core);
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if (ret < 0)
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return ret;
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/* and update enabled_cores_mask */
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sdev->enabled_cores_mask &= ~BIT(core);
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dev_dbg(sdev->dev, "Core %d powered down\n", core);
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}
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return 0;
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}
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/* pre/post fw load */
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static inline int snd_sof_dsp_pre_fw_run(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->pre_fw_run)
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return sof_ops(sdev)->pre_fw_run(sdev);
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return 0;
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}
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static inline int snd_sof_dsp_post_fw_run(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->post_fw_run)
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return sof_ops(sdev)->post_fw_run(sdev);
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return 0;
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}
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/* parse platform specific extended manifest */
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static inline int snd_sof_dsp_parse_platform_ext_manifest(struct snd_sof_dev *sdev,
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const struct sof_ext_man_elem_header *hdr)
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{
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if (sof_ops(sdev)->parse_platform_ext_manifest)
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return sof_ops(sdev)->parse_platform_ext_manifest(sdev, hdr);
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return 0;
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}
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/* misc */
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/**
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* snd_sof_dsp_get_bar_index - Maps a section type with a BAR index
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*
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* @sdev: sof device
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* @type: section type as described by snd_sof_fw_blk_type
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*
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* Returns the corresponding BAR index (a positive integer) or -EINVAL
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* in case there is no mapping
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*/
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static inline int snd_sof_dsp_get_bar_index(struct snd_sof_dev *sdev, u32 type)
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{
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if (sof_ops(sdev)->get_bar_index)
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return sof_ops(sdev)->get_bar_index(sdev, type);
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return sdev->mmio_bar;
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}
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static inline int snd_sof_dsp_get_mailbox_offset(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->get_mailbox_offset)
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return sof_ops(sdev)->get_mailbox_offset(sdev);
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dev_err(sdev->dev, "error: %s not defined\n", __func__);
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return -ENOTSUPP;
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}
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static inline int snd_sof_dsp_get_window_offset(struct snd_sof_dev *sdev,
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u32 id)
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{
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if (sof_ops(sdev)->get_window_offset)
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return sof_ops(sdev)->get_window_offset(sdev, id);
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dev_err(sdev->dev, "error: %s not defined\n", __func__);
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return -ENOTSUPP;
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}
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/* power management */
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static inline int snd_sof_dsp_resume(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->resume)
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return sof_ops(sdev)->resume(sdev);
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return 0;
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}
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static inline int snd_sof_dsp_suspend(struct snd_sof_dev *sdev,
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u32 target_state)
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{
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if (sof_ops(sdev)->suspend)
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return sof_ops(sdev)->suspend(sdev, target_state);
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return 0;
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}
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static inline int snd_sof_dsp_runtime_resume(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->runtime_resume)
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return sof_ops(sdev)->runtime_resume(sdev);
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return 0;
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}
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static inline int snd_sof_dsp_runtime_suspend(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->runtime_suspend)
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return sof_ops(sdev)->runtime_suspend(sdev);
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return 0;
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}
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static inline int snd_sof_dsp_runtime_idle(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->runtime_idle)
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return sof_ops(sdev)->runtime_idle(sdev);
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return 0;
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}
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static inline int snd_sof_dsp_hw_params_upon_resume(struct snd_sof_dev *sdev)
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{
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if (sof_ops(sdev)->set_hw_params_upon_resume)
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return sof_ops(sdev)->set_hw_params_upon_resume(sdev);
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return 0;
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}
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static inline int snd_sof_dsp_set_clk(struct snd_sof_dev *sdev, u32 freq)
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{
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if (sof_ops(sdev)->set_clk)
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return sof_ops(sdev)->set_clk(sdev, freq);
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return 0;
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}
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static inline int
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snd_sof_dsp_set_power_state(struct snd_sof_dev *sdev,
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const struct sof_dsp_power_state *target_state)
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{
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int ret = 0;
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mutex_lock(&sdev->power_state_access);
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if (sof_ops(sdev)->set_power_state)
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ret = sof_ops(sdev)->set_power_state(sdev, target_state);
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mutex_unlock(&sdev->power_state_access);
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return ret;
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}
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/* debug */
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void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, const char *msg, u32 flags);
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static inline int snd_sof_debugfs_add_region_item(struct snd_sof_dev *sdev,
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enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size,
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const char *name, enum sof_debugfs_access_type access_type)
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{
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if (sof_ops(sdev) && sof_ops(sdev)->debugfs_add_region_item)
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return sof_ops(sdev)->debugfs_add_region_item(sdev, blk_type, offset,
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size, name, access_type);
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return 0;
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}
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/* register IO */
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static inline void snd_sof_dsp_write(struct snd_sof_dev *sdev, u32 bar,
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u32 offset, u32 value)
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{
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if (sof_ops(sdev)->write) {
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sof_ops(sdev)->write(sdev, sdev->bar[bar] + offset, value);
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return;
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}
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dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
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}
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static inline void snd_sof_dsp_write64(struct snd_sof_dev *sdev, u32 bar,
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u32 offset, u64 value)
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{
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if (sof_ops(sdev)->write64) {
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sof_ops(sdev)->write64(sdev, sdev->bar[bar] + offset, value);
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return;
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}
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dev_err_ratelimited(sdev->dev, "error: %s not defined\n", __func__);
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}
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static inline u32 snd_sof_dsp_read(struct snd_sof_dev *sdev, u32 bar,
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u32 offset)
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{
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if (sof_ops(sdev)->read)
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return sof_ops(sdev)->read(sdev, sdev->bar[bar] + offset);
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dev_err(sdev->dev, "error: %s not defined\n", __func__);
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return -ENOTSUPP;
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}
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static inline u64 snd_sof_dsp_read64(struct snd_sof_dev *sdev, u32 bar,
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u32 offset)
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{
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if (sof_ops(sdev)->read64)
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return sof_ops(sdev)->read64(sdev, sdev->bar[bar] + offset);
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dev_err(sdev->dev, "error: %s not defined\n", __func__);
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return -ENOTSUPP;
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}
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/* block IO */
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static inline int snd_sof_dsp_block_read(struct snd_sof_dev *sdev,
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enum snd_sof_fw_blk_type blk_type,
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u32 offset, void *dest, size_t bytes)
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{
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return sof_ops(sdev)->block_read(sdev, blk_type, offset, dest, bytes);
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}
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static inline int snd_sof_dsp_block_write(struct snd_sof_dev *sdev,
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enum snd_sof_fw_blk_type blk_type,
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u32 offset, void *src, size_t bytes)
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{
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return sof_ops(sdev)->block_write(sdev, blk_type, offset, src, bytes);
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}
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/* mailbox IO */
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static inline void snd_sof_dsp_mailbox_read(struct snd_sof_dev *sdev,
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u32 offset, void *dest, size_t bytes)
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{
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if (sof_ops(sdev)->mailbox_read)
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sof_ops(sdev)->mailbox_read(sdev, offset, dest, bytes);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void snd_sof_dsp_mailbox_write(struct snd_sof_dev *sdev,
|
||
|
|
u32 offset, void *src, size_t bytes)
|
||
|
|
{
|
||
|
|
if (sof_ops(sdev)->mailbox_write)
|
||
|
|
sof_ops(sdev)->mailbox_write(sdev, 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 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 snd_sof_platform_stream_params *platform_params)
|
||
|
|
{
|
||
|
|
if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_params)
|
||
|
|
return sof_ops(sdev)->pcm_hw_params(sdev, substream, params,
|
||
|
|
platform_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;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Firmware loading */
|
||
|
|
static inline int snd_sof_load_firmware(struct snd_sof_dev *sdev)
|
||
|
|
{
|
||
|
|
dev_dbg(sdev->dev, "loading firmware\n");
|
||
|
|
|
||
|
|
return sof_ops(sdev)->load_firmware(sdev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* host DSP message data */
|
||
|
|
static inline int snd_sof_ipc_msg_data(struct snd_sof_dev *sdev,
|
||
|
|
struct snd_pcm_substream *substream,
|
||
|
|
void *p, size_t sz)
|
||
|
|
{
|
||
|
|
return sof_ops(sdev)->ipc_msg_data(sdev, substream, p, sz);
|
||
|
|
}
|
||
|
|
/* host side configuration of the stream's data offset in stream mailbox area */
|
||
|
|
static inline int
|
||
|
|
snd_sof_set_stream_data_offset(struct snd_sof_dev *sdev,
|
||
|
|
struct snd_pcm_substream *substream,
|
||
|
|
size_t posn_offset)
|
||
|
|
{
|
||
|
|
if (sof_ops(sdev) && sof_ops(sdev)->set_stream_data_offset)
|
||
|
|
return sof_ops(sdev)->set_stream_data_offset(sdev, substream,
|
||
|
|
posn_offset);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* pcm ack */
|
||
|
|
static inline int snd_sof_pcm_platform_ack(struct snd_sof_dev *sdev,
|
||
|
|
struct snd_pcm_substream *substream)
|
||
|
|
{
|
||
|
|
if (sof_ops(sdev) && sof_ops(sdev)->pcm_ack)
|
||
|
|
return sof_ops(sdev)->pcm_ack(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 struct snd_soc_acpi_mach *
|
||
|
|
snd_sof_machine_select(struct snd_sof_dev *sdev)
|
||
|
|
{
|
||
|
|
if (sof_ops(sdev) && sof_ops(sdev)->machine_select)
|
||
|
|
return sof_ops(sdev)->machine_select(sdev);
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void
|
||
|
|
snd_sof_set_mach_params(struct snd_soc_acpi_mach *mach,
|
||
|
|
struct snd_sof_dev *sdev)
|
||
|
|
{
|
||
|
|
if (sof_ops(sdev) && sof_ops(sdev)->set_mach_params)
|
||
|
|
sof_ops(sdev)->set_mach_params(mach, sdev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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]=%#x successful\n", \
|
||
|
|
(offset), (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]=%#x timedout\n", \
|
||
|
|
(offset), (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, bool non_recoverable);
|
||
|
|
#endif
|