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.
7//
8// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9//
10
11/*
12 * Machine Driver Legacy Support for ACP HW block
13 */
14
15#include <sound/core.h>
16#include <sound/pcm_params.h>
17#include <sound/soc-acpi.h>
18#include <sound/soc-dapm.h>
19#include <linux/dmi.h>
20#include <linux/module.h>
21
22#include "acp-mach.h"
23#include "acp3x-es83xx/acp3x-es83xx.h"
24
25static struct acp_card_drvdata rt5682_rt1019_data = {
26 .hs_cpu_id = I2S_SP,
27 .amp_cpu_id = I2S_SP,
28 .dmic_cpu_id = DMIC,
29 .hs_codec_id = RT5682,
30 .amp_codec_id = RT1019,
31 .dmic_codec_id = DMIC,
32 .tdm_mode = false,
33};
34
35static struct acp_card_drvdata rt5682s_max_data = {
36 .hs_cpu_id = I2S_SP,
37 .amp_cpu_id = I2S_SP,
38 .dmic_cpu_id = DMIC,
39 .hs_codec_id = RT5682S,
40 .amp_codec_id = MAX98360A,
41 .dmic_codec_id = DMIC,
42 .tdm_mode = false,
43};
44
45static struct acp_card_drvdata rt5682s_rt1019_data = {
46 .hs_cpu_id = I2S_SP,
47 .amp_cpu_id = I2S_SP,
48 .dmic_cpu_id = DMIC,
49 .hs_codec_id = RT5682S,
50 .amp_codec_id = RT1019,
51 .dmic_codec_id = DMIC,
52 .tdm_mode = false,
53};
54
55static struct acp_card_drvdata es83xx_rn_data = {
56 .hs_cpu_id = I2S_SP,
57 .dmic_cpu_id = DMIC,
58 .hs_codec_id = ES83XX,
59 .dmic_codec_id = DMIC,
60};
61
62static struct acp_card_drvdata max_nau8825_data = {
63 .hs_cpu_id = I2S_HS,
64 .amp_cpu_id = I2S_HS,
65 .dmic_cpu_id = DMIC,
66 .hs_codec_id = NAU8825,
67 .amp_codec_id = MAX98360A,
68 .dmic_codec_id = DMIC,
69 .soc_mclk = true,
70 .tdm_mode = false,
71};
72
73static struct acp_card_drvdata rt5682s_rt1019_rmb_data = {
74 .hs_cpu_id = I2S_HS,
75 .amp_cpu_id = I2S_HS,
76 .dmic_cpu_id = DMIC,
77 .hs_codec_id = RT5682S,
78 .amp_codec_id = RT1019,
79 .dmic_codec_id = DMIC,
80 .soc_mclk = true,
81 .tdm_mode = false,
82};
83
84static struct acp_card_drvdata acp_dmic_data = {
85 .dmic_cpu_id = DMIC,
86 .dmic_codec_id = DMIC,
87};
88
89static bool acp_asoc_init_ops(struct acp_card_drvdata *priv)
90{
91 bool has_ops = false;
92
93 if (priv->hs_codec_id == ES83XX) {
94 has_ops = true;
95 acp3x_es83xx_init_ops(ops: &priv->ops);
96 }
97 return has_ops;
98}
99
100static int acp_asoc_suspend_pre(struct snd_soc_card *card)
101{
102 int ret;
103
104 ret = acp_ops_suspend_pre(card);
105 if (ret == 1)
106 return 0;
107 else
108 return ret;
109}
110
111static int acp_asoc_resume_post(struct snd_soc_card *card)
112{
113 int ret;
114
115 ret = acp_ops_resume_post(card);
116 if (ret == 1)
117 return 0;
118 else
119 return ret;
120}
121
122static int acp_asoc_probe(struct platform_device *pdev)
123{
124 struct snd_soc_card *card = NULL;
125 struct device *dev = &pdev->dev;
126 struct snd_soc_acpi_mach *mach = dev_get_platdata(dev: &pdev->dev);
127 const struct dmi_system_id *dmi_id;
128 struct acp_card_drvdata *acp_card_drvdata;
129 int ret;
130
131 if (!pdev->id_entry) {
132 ret = -EINVAL;
133 goto out;
134 }
135
136 card = devm_kzalloc(dev, size: sizeof(*card), GFP_KERNEL);
137 if (!card) {
138 ret = -ENOMEM;
139 goto out;
140 }
141
142 card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
143 acp_card_drvdata = card->drvdata;
144 acp_card_drvdata->acpi_mach = (struct snd_soc_acpi_mach *)pdev->dev.platform_data;
145 card->dev = dev;
146 card->owner = THIS_MODULE;
147 card->name = pdev->id_entry->name;
148
149 acp_asoc_init_ops(priv: card->drvdata);
150
151 /* If widgets and controls are not set in specific callback,
152 * they will be added per-codec in acp-mach-common.c
153 */
154 ret = acp_ops_configure_widgets(card);
155 if (ret < 0) {
156 dev_err(&pdev->dev,
157 "Cannot configure widgets for card (%s): %d\n",
158 card->name, ret);
159 goto out;
160 }
161 card->suspend_pre = acp_asoc_suspend_pre;
162 card->resume_post = acp_asoc_resume_post;
163
164 ret = acp_ops_probe(card);
165 if (ret < 0) {
166 dev_err(&pdev->dev,
167 "Cannot probe card (%s): %d\n",
168 card->name, ret);
169 goto out;
170 }
171 if (!strcmp(pdev->name, "acp-pdm-mach"))
172 acp_card_drvdata->acp_rev = *((int *)dev->platform_data);
173 else
174 acp_card_drvdata->acp_rev = mach->mach_params.subsystem_rev;
175
176 dmi_id = dmi_first_match(list: acp_quirk_table);
177 if (dmi_id && dmi_id->driver_data)
178 acp_card_drvdata->tdm_mode = dmi_id->driver_data;
179
180 ret = acp_legacy_dai_links_create(card);
181 if (ret) {
182 dev_err(&pdev->dev,
183 "Cannot create dai links for card (%s): %d\n",
184 card->name, ret);
185 goto out;
186 }
187
188 ret = devm_snd_soc_register_card(dev: &pdev->dev, card);
189 if (ret) {
190 dev_err(&pdev->dev,
191 "devm_snd_soc_register_card(%s) failed: %d\n",
192 card->name, ret);
193 goto out;
194 }
195out:
196 return ret;
197}
198
199static const struct platform_device_id board_ids[] = {
200 {
201 .name = "acp3xalc56821019",
202 .driver_data = (kernel_ulong_t)&rt5682_rt1019_data,
203 },
204 {
205 .name = "acp3xalc5682sm98360",
206 .driver_data = (kernel_ulong_t)&rt5682s_max_data,
207 },
208 {
209 .name = "acp3xalc5682s1019",
210 .driver_data = (kernel_ulong_t)&rt5682s_rt1019_data,
211 },
212 {
213 .name = "acp3x-es83xx",
214 .driver_data = (kernel_ulong_t)&es83xx_rn_data,
215 },
216 {
217 .name = "rmb-nau8825-max",
218 .driver_data = (kernel_ulong_t)&max_nau8825_data,
219 },
220 {
221 .name = "rmb-rt5682s-rt1019",
222 .driver_data = (kernel_ulong_t)&rt5682s_rt1019_rmb_data,
223 },
224 {
225 .name = "acp-pdm-mach",
226 .driver_data = (kernel_ulong_t)&acp_dmic_data,
227 },
228 { }
229};
230MODULE_DEVICE_TABLE(platform, board_ids);
231
232static struct platform_driver acp_asoc_audio = {
233 .driver = {
234 .pm = &snd_soc_pm_ops,
235 .name = "acp_mach",
236 },
237 .probe = acp_asoc_probe,
238 .id_table = board_ids,
239};
240
241module_platform_driver(acp_asoc_audio);
242
243MODULE_IMPORT_NS("SND_SOC_AMD_MACH");
244MODULE_DESCRIPTION("ACP chrome audio support");
245MODULE_LICENSE("GPL v2");
246

source code of linux/sound/soc/amd/acp/acp-legacy-mach.c