65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			65 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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| 
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| /*This file support Host TRACE Logger driver callback for SOF FW */
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| 
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| #include "acp.h"
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| 
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| #define ACP_LOGGER_STREAM	8
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| #define NUM_PAGES		16
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 	stream->dmab = dmab;
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| 	stream->num_pages = NUM_PAGES;
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| 
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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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| 
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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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| 
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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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