1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
4 #include <linux/string.h>
5 #include <sound/pcm.h>
6 #include <sound/soc.h>
7 #include <sound/soc-dai.h>
8 #include <sound/soc-dapm.h>
9 #include <uapi/sound/asound.h>
10 #include "sof_maxim_common.h"
11
12 #define MAX_98373_PIN_NAME 16
13
14 const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
15 /* speaker */
16 { "Left Spk", NULL, "Left BE_OUT" },
17 { "Right Spk", NULL, "Right BE_OUT" },
18 };
19
20 static struct snd_soc_codec_conf max_98373_codec_conf[] = {
21 {
22 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
23 .name_prefix = "Right",
24 },
25 {
26 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
27 .name_prefix = "Left",
28 },
29 };
30
31 struct snd_soc_dai_link_component max_98373_components[] = {
32 { /* For Right */
33 .name = MAX_98373_DEV0_NAME,
34 .dai_name = MAX_98373_CODEC_DAI,
35 },
36 { /* For Left */
37 .name = MAX_98373_DEV1_NAME,
38 .dai_name = MAX_98373_CODEC_DAI,
39 },
40 };
41
max98373_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)42 static int max98373_hw_params(struct snd_pcm_substream *substream,
43 struct snd_pcm_hw_params *params)
44 {
45 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
46 struct snd_soc_dai *codec_dai;
47 int j;
48
49 for_each_rtd_codec_dais(rtd, j, codec_dai) {
50 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
51 /* DEV0 tdm slot configuration */
52 snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 24);
53 }
54 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
55 /* DEV1 tdm slot configuration */
56 snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 24);
57 }
58 }
59 return 0;
60 }
61
max98373_trigger(struct snd_pcm_substream * substream,int cmd)62 int max98373_trigger(struct snd_pcm_substream *substream, int cmd)
63 {
64 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
65 struct snd_soc_dai *codec_dai;
66 int j;
67 int ret = 0;
68
69 /* set spk pin by playback only */
70 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
71 return 0;
72
73 for_each_rtd_codec_dais(rtd, j, codec_dai) {
74 struct snd_soc_component *component = codec_dai->component;
75 struct snd_soc_dapm_context *dapm =
76 snd_soc_component_get_dapm(component);
77 char pin_name[MAX_98373_PIN_NAME];
78
79 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
80 codec_dai->component->name_prefix);
81
82 switch (cmd) {
83 case SNDRV_PCM_TRIGGER_START:
84 case SNDRV_PCM_TRIGGER_RESUME:
85 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
86 ret = snd_soc_dapm_enable_pin(dapm, pin_name);
87 if (!ret)
88 snd_soc_dapm_sync(dapm);
89 break;
90 case SNDRV_PCM_TRIGGER_STOP:
91 case SNDRV_PCM_TRIGGER_SUSPEND:
92 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
93 ret = snd_soc_dapm_disable_pin(dapm, pin_name);
94 if (!ret)
95 snd_soc_dapm_sync(dapm);
96 break;
97 default:
98 break;
99 }
100 }
101
102 return ret;
103 }
104
105 struct snd_soc_ops max_98373_ops = {
106 .hw_params = max98373_hw_params,
107 .trigger = max98373_trigger,
108 };
109
max98373_spk_codec_init(struct snd_soc_pcm_runtime * rtd)110 int max98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
111 {
112 struct snd_soc_card *card = rtd->card;
113 int ret;
114
115 ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
116 ARRAY_SIZE(max_98373_dapm_routes));
117 if (ret)
118 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
119 return ret;
120 }
121
sof_max98373_codec_conf(struct snd_soc_card * card)122 void sof_max98373_codec_conf(struct snd_soc_card *card)
123 {
124 card->codec_conf = max_98373_codec_conf;
125 card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
126 }
127
