1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun // Copyright (c) 2020 Intel Corporation
3*4882a593Smuzhiyun //
4*4882a593Smuzhiyun // sof_sdw_max98373 - Helpers to handle 2x MAX98373
5*4882a593Smuzhiyun // codec devices from generic machine driver
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <linux/device.h>
8*4882a593Smuzhiyun #include <linux/errno.h>
9*4882a593Smuzhiyun #include <sound/control.h>
10*4882a593Smuzhiyun #include <sound/soc.h>
11*4882a593Smuzhiyun #include <sound/soc-acpi.h>
12*4882a593Smuzhiyun #include <sound/soc-dapm.h>
13*4882a593Smuzhiyun #include "sof_sdw_common.h"
14*4882a593Smuzhiyun #include "sof_maxim_common.h"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun static const struct snd_soc_dapm_widget mx8373_widgets[] = {
17*4882a593Smuzhiyun SND_SOC_DAPM_SPK("Left Spk", NULL),
18*4882a593Smuzhiyun SND_SOC_DAPM_SPK("Right Spk", NULL),
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun static const struct snd_kcontrol_new mx8373_controls[] = {
22*4882a593Smuzhiyun SOC_DAPM_PIN_SWITCH("Left Spk"),
23*4882a593Smuzhiyun SOC_DAPM_PIN_SWITCH("Right Spk"),
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
spk_init(struct snd_soc_pcm_runtime * rtd)26*4882a593Smuzhiyun static int spk_init(struct snd_soc_pcm_runtime *rtd)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun struct snd_soc_card *card = rtd->card;
29*4882a593Smuzhiyun int ret;
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun card->components = devm_kasprintf(card->dev, GFP_KERNEL,
32*4882a593Smuzhiyun "%s spk:mx8373",
33*4882a593Smuzhiyun card->components);
34*4882a593Smuzhiyun if (!card->components)
35*4882a593Smuzhiyun return -ENOMEM;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun ret = snd_soc_add_card_controls(card, mx8373_controls,
38*4882a593Smuzhiyun ARRAY_SIZE(mx8373_controls));
39*4882a593Smuzhiyun if (ret) {
40*4882a593Smuzhiyun dev_err(card->dev, "mx8373 ctrls addition failed: %d\n", ret);
41*4882a593Smuzhiyun return ret;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun ret = snd_soc_dapm_new_controls(&card->dapm, mx8373_widgets,
45*4882a593Smuzhiyun ARRAY_SIZE(mx8373_widgets));
46*4882a593Smuzhiyun if (ret) {
47*4882a593Smuzhiyun dev_err(card->dev, "mx8373 widgets addition failed: %d\n", ret);
48*4882a593Smuzhiyun return ret;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2);
52*4882a593Smuzhiyun if (ret)
53*4882a593Smuzhiyun dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun return ret;
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun
max98373_sdw_trigger(struct snd_pcm_substream * substream,int cmd)58*4882a593Smuzhiyun static int max98373_sdw_trigger(struct snd_pcm_substream *substream, int cmd)
59*4882a593Smuzhiyun {
60*4882a593Smuzhiyun int ret;
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun switch (cmd) {
63*4882a593Smuzhiyun case SNDRV_PCM_TRIGGER_START:
64*4882a593Smuzhiyun case SNDRV_PCM_TRIGGER_RESUME:
65*4882a593Smuzhiyun case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
66*4882a593Smuzhiyun /* enable max98373 first */
67*4882a593Smuzhiyun ret = max98373_trigger(substream, cmd);
68*4882a593Smuzhiyun if (ret < 0)
69*4882a593Smuzhiyun break;
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun ret = sdw_trigger(substream, cmd);
72*4882a593Smuzhiyun break;
73*4882a593Smuzhiyun case SNDRV_PCM_TRIGGER_STOP:
74*4882a593Smuzhiyun case SNDRV_PCM_TRIGGER_SUSPEND:
75*4882a593Smuzhiyun case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
76*4882a593Smuzhiyun ret = sdw_trigger(substream, cmd);
77*4882a593Smuzhiyun if (ret < 0)
78*4882a593Smuzhiyun break;
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun ret = max98373_trigger(substream, cmd);
81*4882a593Smuzhiyun break;
82*4882a593Smuzhiyun default:
83*4882a593Smuzhiyun ret = -EINVAL;
84*4882a593Smuzhiyun break;
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun return ret;
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun static const struct snd_soc_ops max_98373_sdw_ops = {
91*4882a593Smuzhiyun .startup = sdw_startup,
92*4882a593Smuzhiyun .prepare = sdw_prepare,
93*4882a593Smuzhiyun .trigger = max98373_sdw_trigger,
94*4882a593Smuzhiyun .hw_free = sdw_hw_free,
95*4882a593Smuzhiyun .shutdown = sdw_shutdown,
96*4882a593Smuzhiyun };
97*4882a593Smuzhiyun
sof_sdw_mx8373_init(const struct snd_soc_acpi_link_adr * link,struct snd_soc_dai_link * dai_links,struct sof_sdw_codec_info * info,bool playback)98*4882a593Smuzhiyun int sof_sdw_mx8373_init(const struct snd_soc_acpi_link_adr *link,
99*4882a593Smuzhiyun struct snd_soc_dai_link *dai_links,
100*4882a593Smuzhiyun struct sof_sdw_codec_info *info,
101*4882a593Smuzhiyun bool playback)
102*4882a593Smuzhiyun {
103*4882a593Smuzhiyun info->amp_num++;
104*4882a593Smuzhiyun if (info->amp_num == 2)
105*4882a593Smuzhiyun dai_links->init = spk_init;
106*4882a593Smuzhiyun
107*4882a593Smuzhiyun info->late_probe = true;
108*4882a593Smuzhiyun
109*4882a593Smuzhiyun dai_links->ops = &max_98373_sdw_ops;
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun return 0;
112*4882a593Smuzhiyun }
113*4882a593Smuzhiyun
sof_sdw_mx8373_late_probe(struct snd_soc_card * card)114*4882a593Smuzhiyun int sof_sdw_mx8373_late_probe(struct snd_soc_card *card)
115*4882a593Smuzhiyun {
116*4882a593Smuzhiyun struct snd_soc_dapm_context *dapm = &card->dapm;
117*4882a593Smuzhiyun
118*4882a593Smuzhiyun /* Disable Left and Right Spk pin after boot */
119*4882a593Smuzhiyun snd_soc_dapm_disable_pin(dapm, "Left Spk");
120*4882a593Smuzhiyun snd_soc_dapm_disable_pin(dapm, "Right Spk");
121*4882a593Smuzhiyun return snd_soc_dapm_sync(dapm);
122*4882a593Smuzhiyun }
123