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4b49cbd1e7
Stop host code (AMD, Intel) to access sdev->dmatb directly. Modify the trace_init prototype to include the pointer to a struct snd_dma_buffer. The ipc3-dtrace passes for now the pointer to sdev->dmatb, but the aim is to move all tracing related runtime information local to a trace implementation. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Paul Olaru <paul.olaru@oss.nxp.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20220516104711.26115-7-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
// 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) 2021 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Authors: Vishnuvardhanrao Ravuapati <vishnuvardhanrao.ravulapati@amd.com>
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// V Sujith Kumar Reddy <Vsujithkumar.Reddy@amd.com>
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/*This file support Host TRACE Logger driver callback for SOF FW */
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#include "acp.h"
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#define ACP_LOGGER_STREAM 8
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#define NUM_PAGES 16
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int acp_sof_trace_release(struct snd_sof_dev *sdev)
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{
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struct acp_dsp_stream *stream;
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struct acp_dev_data *adata;
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int ret;
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adata = sdev->pdata->hw_pdata;
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stream = adata->dtrace_stream;
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ret = acp_dsp_stream_put(sdev, stream);
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if (ret < 0) {
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dev_err(sdev->dev, "Failed to release trace stream\n");
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return ret;
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}
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adata->dtrace_stream = NULL;
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return 0;
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}
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EXPORT_SYMBOL_NS(acp_sof_trace_release, SND_SOC_SOF_AMD_COMMON);
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int acp_sof_trace_init(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
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struct sof_ipc_dma_trace_params_ext *dtrace_params)
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{
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struct acp_dsp_stream *stream;
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struct acp_dev_data *adata;
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int ret;
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adata = sdev->pdata->hw_pdata;
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stream = acp_dsp_stream_get(sdev, ACP_LOGGER_STREAM);
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if (!stream)
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return -ENODEV;
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stream->dmab = dmab;
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stream->num_pages = NUM_PAGES;
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ret = acp_dsp_stream_config(sdev, stream);
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if (ret < 0) {
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acp_dsp_stream_put(sdev, stream);
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return ret;
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}
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adata->dtrace_stream = stream;
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dtrace_params->stream_tag = stream->stream_tag;
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dtrace_params->buffer.phy_addr = stream->reg_offset;
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return 0;
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}
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EXPORT_SYMBOL_NS(acp_sof_trace_init, SND_SOC_SOF_AMD_COMMON);
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