1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2020 Intel Corporation
3
4 /*
5 * sof_sdw_rt700 - Helpers to handle RT700 from generic machine driver
6 */
7
8 #include <linux/device.h>
9 #include <linux/errno.h>
10 #include <linux/input.h>
11 #include <sound/control.h>
12 #include <sound/soc.h>
13 #include <sound/soc-acpi.h>
14 #include <sound/soc-dapm.h>
15 #include <sound/jack.h>
16 #include "sof_sdw_common.h"
17
18 static const struct snd_soc_dapm_route rt700_map[] = {
19 /* Headphones */
20 { "Headphones", NULL, "rt700 HP" },
21 { "Speaker", NULL, "rt700 SPK" },
22 { "rt700 MIC2", NULL, "AMIC" },
23 };
24
25 static struct snd_soc_jack_pin rt700_jack_pins[] = {
26 {
27 .pin = "Headphones",
28 .mask = SND_JACK_HEADPHONE,
29 },
30 {
31 .pin = "AMIC",
32 .mask = SND_JACK_MICROPHONE,
33 },
34 };
35
36 int rt700_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
37 {
38 struct snd_soc_card *card = rtd->card;
39 struct mc_private *ctx = snd_soc_card_get_drvdata(card);
40 struct snd_soc_component *component;
41 struct snd_soc_jack *jack;
42 int ret;
43
44 component = dai->component;
45 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
46 "%s hs:rt700",
47 card->components);
48 if (!card->components)
49 return -ENOMEM;
50
51 ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map,
52 ARRAY_SIZE(rt700_map));
53
54 if (ret) {
55 dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
56 return ret;
57 }
58
59 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
60 SND_JACK_HEADSET | SND_JACK_BTN_0 |
61 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
62 SND_JACK_BTN_3,
63 &ctx->sdw_headset,
64 rt700_jack_pins,
65 ARRAY_SIZE(rt700_jack_pins));
66 if (ret) {
67 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
68 ret);
69 return ret;
70 }
71
72 jack = &ctx->sdw_headset;
73
74 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
75 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
76 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
77 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
78
79 ret = snd_soc_component_set_jack(component, jack, NULL);
80 if (ret)
81 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
82 ret);
83
84 return ret;
85 }
86 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);
87
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