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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) 2021 Advanced Micro Devices, Inc. All rights reserved.
//
// Authors: Vishnuvardhanrao Ravuapati <vishnuvardhanrao.ravulapati@amd.com>
// V Sujith Kumar Reddy <Vsujithkumar.Reddy@amd.com>
/*This file support Host TRACE Logger driver callback for SOF FW */
#include "acp.h"
#define ACP_LOGGER_STREAM 8
#define NUM_PAGES 16
int acp_sof_trace_release(struct snd_sof_dev *sdev)
{
struct acp_dsp_stream *stream;
struct acp_dev_data *adata;
int ret;
adata = sdev->pdata->hw_pdata;
stream = adata->dtrace_stream;
ret = acp_dsp_stream_put(sdev, stream);
if (ret < 0) {
dev_err(sdev->dev, "Failed to release trace stream\n");
return ret;
}
adata->dtrace_stream = NULL;
return 0;
}
EXPORT_SYMBOL_NS(acp_sof_trace_release, SND_SOC_SOF_AMD_COMMON);
static int acp_sof_trace_prepare(struct snd_sof_dev *sdev,
struct sof_ipc_dma_trace_params_ext *params)
{
struct acp_dsp_stream *stream;
struct acp_dev_data *adata;
int ret;
adata = sdev->pdata->hw_pdata;
stream = adata->dtrace_stream;
stream->dmab = &sdev->dmatb;
stream->num_pages = NUM_PAGES;
ret = acp_dsp_stream_config(sdev, stream);
if (ret < 0) {
dev_err(sdev->dev, "Failed to configure trace stream\n");
return ret;
}
params->buffer.phy_addr = stream->reg_offset;
params->stream_tag = stream->stream_tag;
return 0;
}
int acp_sof_trace_init(struct snd_sof_dev *sdev, u32 *stream_tag)
{
struct sof_ipc_dma_trace_params_ext *params;
struct acp_dsp_stream *stream;
struct acp_dev_data *adata;
int ret;
adata = sdev->pdata->hw_pdata;
stream = acp_dsp_stream_get(sdev, ACP_LOGGER_STREAM);
if (!stream)
return -ENODEV;
adata->dtrace_stream = stream;
params = container_of(stream_tag, struct sof_ipc_dma_trace_params_ext, stream_tag);
ret = acp_sof_trace_prepare(sdev, params);
if (ret < 0) {
acp_dsp_stream_put(sdev, stream);
return ret;
}
*stream_tag = stream->stream_tag;
return 0;
}
EXPORT_SYMBOL_NS(acp_sof_trace_init, SND_SOC_SOF_AMD_COMMON);
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