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1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)2//3// This file is provided under a dual BSD/GPLv2 license. When using or4// redistributing this file, you may do so under either license.5//6// Copyright(c) 2021 Advanced Micro Devices, Inc. All rights reserved.7//8// Authors: Vishnuvardhanrao Ravuapati <vishnuvardhanrao.ravulapati@amd.com>9// V Sujith Kumar Reddy <Vsujithkumar.Reddy@amd.com>10 11/*This file support Host TRACE Logger driver callback for SOF FW */12 13#include "acp.h"14 15#define ACP_LOGGER_STREAM 816#define NUM_PAGES 1617 18int acp_sof_trace_release(struct snd_sof_dev *sdev)19{20 struct acp_dsp_stream *stream;21 struct acp_dev_data *adata;22 int ret;23 24 adata = sdev->pdata->hw_pdata;25 stream = adata->dtrace_stream;26 ret = acp_dsp_stream_put(sdev, stream);27 if (ret < 0) {28 dev_err(sdev->dev, "Failed to release trace stream\n");29 return ret;30 }31 32 adata->dtrace_stream = NULL;33 return 0;34}35EXPORT_SYMBOL_NS(acp_sof_trace_release, SND_SOC_SOF_AMD_COMMON);36 37int acp_sof_trace_init(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,38 struct sof_ipc_dma_trace_params_ext *dtrace_params)39{40 struct acp_dsp_stream *stream;41 struct acp_dev_data *adata;42 int ret;43 44 adata = sdev->pdata->hw_pdata;45 stream = acp_dsp_stream_get(sdev, ACP_LOGGER_STREAM);46 if (!stream)47 return -ENODEV;48 49 stream->dmab = dmab;50 stream->num_pages = NUM_PAGES;51 52 ret = acp_dsp_stream_config(sdev, stream);53 if (ret < 0) {54 acp_dsp_stream_put(sdev, stream);55 return ret;56 }57 58 adata->dtrace_stream = stream;59 dtrace_params->stream_tag = stream->stream_tag;60 dtrace_params->buffer.phy_addr = stream->reg_offset;61 62 return 0;63}64EXPORT_SYMBOL_NS(acp_sof_trace_init, SND_SOC_SOF_AMD_COMMON);65