1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
4 #include <linux/module.h>
5 #include <linux/string.h>
6 #include <sound/pcm.h>
7 #include <sound/soc.h>
8 #include <sound/soc-dai.h>
9 #include <sound/soc-dapm.h>
10 #include <uapi/sound/asound.h>
11 #include "sof_maxim_common.h"
12
13 #define MAX_98373_PIN_NAME 16
14
15 const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
16 /* speaker */
17 { "Left Spk", NULL, "Left BE_OUT" },
18 { "Right Spk", NULL, "Right BE_OUT" },
19 };
20 EXPORT_SYMBOL_NS(max_98373_dapm_routes, SND_SOC_INTEL_SOF_MAXIM_COMMON);
21
22 static struct snd_soc_codec_conf max_98373_codec_conf[] = {
23 {
24 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
25 .name_prefix = "Right",
26 },
27 {
28 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
29 .name_prefix = "Left",
30 },
31 };
32
33 struct snd_soc_dai_link_component max_98373_components[] = {
34 { /* For Right */
35 .name = MAX_98373_DEV0_NAME,
36 .dai_name = MAX_98373_CODEC_DAI,
37 },
38 { /* For Left */
39 .name = MAX_98373_DEV1_NAME,
40 .dai_name = MAX_98373_CODEC_DAI,
41 },
42 };
43 EXPORT_SYMBOL_NS(max_98373_components, SND_SOC_INTEL_SOF_MAXIM_COMMON);
44
max_98373_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)45 static int max_98373_hw_params(struct snd_pcm_substream *substream,
46 struct snd_pcm_hw_params *params)
47 {
48 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
49 struct snd_soc_dai *codec_dai;
50 int j;
51
52 for_each_rtd_codec_dais(rtd, j, codec_dai) {
53 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
54 /* DEV0 tdm slot configuration */
55 snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
56 }
57 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
58 /* DEV1 tdm slot configuration */
59 snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
60 }
61 }
62 return 0;
63 }
64
max_98373_trigger(struct snd_pcm_substream * substream,int cmd)65 int max_98373_trigger(struct snd_pcm_substream *substream, int cmd)
66 {
67 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
68 struct snd_soc_dai *codec_dai;
69 struct snd_soc_dai *cpu_dai;
70 int j;
71 int ret = 0;
72
73 /* set spk pin by playback only */
74 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
75 return 0;
76
77 cpu_dai = asoc_rtd_to_cpu(rtd, 0);
78 for_each_rtd_codec_dais(rtd, j, codec_dai) {
79 struct snd_soc_dapm_context *dapm =
80 snd_soc_component_get_dapm(cpu_dai->component);
81 char pin_name[MAX_98373_PIN_NAME];
82
83 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
84 codec_dai->component->name_prefix);
85
86 switch (cmd) {
87 case SNDRV_PCM_TRIGGER_START:
88 case SNDRV_PCM_TRIGGER_RESUME:
89 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
90 ret = snd_soc_dapm_enable_pin(dapm, pin_name);
91 if (!ret)
92 snd_soc_dapm_sync(dapm);
93 break;
94 case SNDRV_PCM_TRIGGER_STOP:
95 case SNDRV_PCM_TRIGGER_SUSPEND:
96 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
97 ret = snd_soc_dapm_disable_pin(dapm, pin_name);
98 if (!ret)
99 snd_soc_dapm_sync(dapm);
100 break;
101 default:
102 break;
103 }
104 }
105
106 return ret;
107 }
108 EXPORT_SYMBOL_NS(max_98373_trigger, SND_SOC_INTEL_SOF_MAXIM_COMMON);
109
110 struct snd_soc_ops max_98373_ops = {
111 .hw_params = max_98373_hw_params,
112 .trigger = max_98373_trigger,
113 };
114 EXPORT_SYMBOL_NS(max_98373_ops, SND_SOC_INTEL_SOF_MAXIM_COMMON);
115
max_98373_spk_codec_init(struct snd_soc_pcm_runtime * rtd)116 int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
117 {
118 struct snd_soc_card *card = rtd->card;
119 int ret;
120
121 ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
122 ARRAY_SIZE(max_98373_dapm_routes));
123 if (ret)
124 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
125 return ret;
126 }
127 EXPORT_SYMBOL_NS(max_98373_spk_codec_init, SND_SOC_INTEL_SOF_MAXIM_COMMON);
128
max_98373_set_codec_conf(struct snd_soc_card * card)129 void max_98373_set_codec_conf(struct snd_soc_card *card)
130 {
131 card->codec_conf = max_98373_codec_conf;
132 card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
133 }
134 EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
135
136 /*
137 * Maxim MAX98357A/MAX98360A
138 */
139 static const struct snd_kcontrol_new max_98357a_kcontrols[] = {
140 SOC_DAPM_PIN_SWITCH("Spk"),
141 };
142
143 static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = {
144 SND_SOC_DAPM_SPK("Spk", NULL),
145 };
146
147 static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = {
148 /* speaker */
149 {"Spk", NULL, "Speaker"},
150 };
151
152 static struct snd_soc_dai_link_component max_98357a_components[] = {
153 {
154 .name = MAX_98357A_DEV0_NAME,
155 .dai_name = MAX_98357A_CODEC_DAI,
156 }
157 };
158
159 static struct snd_soc_dai_link_component max_98360a_components[] = {
160 {
161 .name = MAX_98360A_DEV0_NAME,
162 .dai_name = MAX_98357A_CODEC_DAI,
163 }
164 };
165
max_98357a_init(struct snd_soc_pcm_runtime * rtd)166 static int max_98357a_init(struct snd_soc_pcm_runtime *rtd)
167 {
168 struct snd_soc_card *card = rtd->card;
169 int ret;
170
171 ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets,
172 ARRAY_SIZE(max_98357a_dapm_widgets));
173 if (ret) {
174 dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
175 /* Don't need to add routes if widget addition failed */
176 return ret;
177 }
178
179 ret = snd_soc_add_card_controls(card, max_98357a_kcontrols,
180 ARRAY_SIZE(max_98357a_kcontrols));
181 if (ret) {
182 dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
183 return ret;
184 }
185
186 ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes,
187 ARRAY_SIZE(max_98357a_dapm_routes));
188
189 if (ret)
190 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret);
191
192 return ret;
193 }
194
max_98357a_dai_link(struct snd_soc_dai_link * link)195 void max_98357a_dai_link(struct snd_soc_dai_link *link)
196 {
197 link->codecs = max_98357a_components;
198 link->num_codecs = ARRAY_SIZE(max_98357a_components);
199 link->init = max_98357a_init;
200 }
201 EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
202
max_98360a_dai_link(struct snd_soc_dai_link * link)203 void max_98360a_dai_link(struct snd_soc_dai_link *link)
204 {
205 link->codecs = max_98360a_components;
206 link->num_codecs = ARRAY_SIZE(max_98360a_components);
207 link->init = max_98357a_init;
208 }
209 EXPORT_SYMBOL_NS(max_98360a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
210
211 MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers");
212 MODULE_LICENSE("GPL");
213