xref: /openbmc/linux/sound/soc/sof/amd/acp-common.c (revision bc33f5e5)
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) 2022 Advanced Micro Devices, Inc.
7 //
8 // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9 //	    V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
10 
11 /* ACP-specific Common code */
12 
13 #include "../sof-priv.h"
14 #include "../sof-audio.h"
15 #include "../ops.h"
16 #include "../sof-audio.h"
17 #include "acp.h"
18 #include "acp-dsp-offset.h"
19 
20 int acp_dai_probe(struct snd_soc_dai *dai)
21 {
22 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
23 	const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
24 	unsigned int val;
25 
26 	val = snd_sof_dsp_read(sdev, ACP_DSP_BAR, desc->i2s_pin_config_offset);
27 	if (val != desc->i2s_mode) {
28 		dev_err(sdev->dev, "I2S Mode is not supported (I2S_PIN_CONFIG: %#x)\n", val);
29 		return -EINVAL;
30 	}
31 
32 	return 0;
33 }
34 EXPORT_SYMBOL_NS(acp_dai_probe, SND_SOC_SOF_AMD_COMMON);
35 
36 struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev)
37 {
38 	struct snd_sof_pdata *sof_pdata = sdev->pdata;
39 	const struct sof_dev_desc *desc = sof_pdata->desc;
40 	struct snd_soc_acpi_mach *mach;
41 
42 	mach = snd_soc_acpi_find_machine(desc->machines);
43 	if (!mach) {
44 		dev_warn(sdev->dev, "No matching ASoC machine driver found\n");
45 		return NULL;
46 	}
47 
48 	sof_pdata->tplg_filename = mach->sof_tplg_filename;
49 	sof_pdata->fw_filename = mach->fw_filename;
50 
51 	return mach;
52 }
53 
54 /* AMD Common DSP ops */
55 struct snd_sof_dsp_ops sof_acp_common_ops = {
56 	/* probe and remove */
57 	.probe			= amd_sof_acp_probe,
58 	.remove			= amd_sof_acp_remove,
59 
60 	/* Register IO */
61 	.write			= sof_io_write,
62 	.read			= sof_io_read,
63 
64 	/* Block IO */
65 	.block_read		= acp_dsp_block_read,
66 	.block_write		= acp_dsp_block_write,
67 
68 	/*Firmware loading */
69 	.load_firmware		= snd_sof_load_firmware_memcpy,
70 	.pre_fw_run		= acp_dsp_pre_fw_run,
71 	.get_bar_index		= acp_get_bar_index,
72 
73 	/* DSP core boot */
74 	.run			= acp_sof_dsp_run,
75 
76 	/*IPC */
77 	.send_msg		= acp_sof_ipc_send_msg,
78 	.ipc_msg_data		= acp_sof_ipc_msg_data,
79 	.get_mailbox_offset	= acp_sof_ipc_get_mailbox_offset,
80 	.get_window_offset      = acp_sof_ipc_get_window_offset,
81 	.irq_thread		= acp_sof_ipc_irq_thread,
82 
83 	/* stream callbacks */
84 	.pcm_open		= acp_pcm_open,
85 	.pcm_close		= acp_pcm_close,
86 	.pcm_hw_params		= acp_pcm_hw_params,
87 
88 	.hw_info		= SNDRV_PCM_INFO_MMAP |
89 				  SNDRV_PCM_INFO_MMAP_VALID |
90 				  SNDRV_PCM_INFO_INTERLEAVED |
91 				  SNDRV_PCM_INFO_PAUSE |
92 				  SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
93 
94 	/* Machine driver callbacks */
95 	.machine_select		= amd_sof_machine_select,
96 	.machine_register	= sof_machine_register,
97 	.machine_unregister	= sof_machine_unregister,
98 
99 	/* Trace Logger */
100 	.trace_init		= acp_sof_trace_init,
101 	.trace_release		= acp_sof_trace_release,
102 
103 	/* PM */
104 	.suspend                = amd_sof_acp_suspend,
105 	.resume                 = amd_sof_acp_resume,
106 };
107 EXPORT_SYMBOL_NS(sof_acp_common_ops, SND_SOC_SOF_AMD_COMMON);
108 
109 MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
110 MODULE_DESCRIPTION("ACP SOF COMMON Driver");
111 MODULE_LICENSE("Dual BSD/GPL");
112