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 or
 4// 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	8
16#define NUM_PAGES		16
17
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");