xref: /linux/sound/soc/sdw_utils/soc_sdw_rt_sdca_jack_common.c (revision cdd30ebb1b9f36159d66f088b61aee264e649d7a)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // This file incorporates work covered by the following copyright notice:
3 // Copyright (c) 2020 Intel Corporation
4 // Copyright (c) 2024 Advanced Micro Devices, Inc.
5 
6 /*
7  *  soc_sdw_rt711_sdca - Helpers to handle RT711-SDCA from generic machine driver
8  */
9 
10 #include <linux/device.h>
11 #include <linux/errno.h>
12 #include <linux/input.h>
13 #include <linux/soundwire/sdw.h>
14 #include <linux/soundwire/sdw_type.h>
15 #include <sound/control.h>
16 #include <sound/soc.h>
17 #include <sound/soc-acpi.h>
18 #include <sound/soc-dapm.h>
19 #include <sound/jack.h>
20 #include <sound/soc_sdw_utils.h>
21 
22 /*
23  * Note this MUST be called before snd_soc_register_card(), so that the props
24  * are in place before the codec component driver's probe function parses them.
25  */
rt_sdca_jack_add_codec_device_props(struct device * sdw_dev,unsigned long quirk)26 static int rt_sdca_jack_add_codec_device_props(struct device *sdw_dev, unsigned long quirk)
27 {
28 	struct property_entry props[SOC_SDW_MAX_NO_PROPS] = {};
29 	struct fwnode_handle *fwnode;
30 	int ret;
31 
32 	if (!SOC_SDW_JACK_JDSRC(quirk))
33 		return 0;
34 
35 	props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOC_SDW_JACK_JDSRC(quirk));
36 
37 	fwnode = fwnode_create_software_node(props, NULL);
38 	if (IS_ERR(fwnode))
39 		return PTR_ERR(fwnode);
40 
41 	ret = device_add_software_node(sdw_dev, to_software_node(fwnode));
42 
43 	fwnode_handle_put(fwnode);
44 
45 	return ret;
46 }
47 
48 static const struct snd_soc_dapm_route rt711_sdca_map[] = {
49 	{ "Headphone", NULL, "rt711 HP" },
50 	{ "rt711 MIC2", NULL, "Headset Mic" },
51 };
52 
53 static const struct snd_soc_dapm_route rt712_sdca_map[] = {
54 	{ "Headphone", NULL, "rt712 HP" },
55 	{ "rt712 MIC2", NULL, "Headset Mic" },
56 };
57 
58 static const struct snd_soc_dapm_route rt713_sdca_map[] = {
59 	{ "Headphone", NULL, "rt713 HP" },
60 	{ "rt713 MIC2", NULL, "Headset Mic" },
61 };
62 
63 static const struct snd_soc_dapm_route rt721_sdca_map[] = {
64 	{ "Headphone", NULL, "rt721 HP" },
65 	{ "rt721 MIC2", NULL, "Headset Mic" },
66 };
67 
68 static const struct snd_soc_dapm_route rt722_sdca_map[] = {
69 	{ "Headphone", NULL, "rt722 HP" },
70 	{ "rt722 MIC2", NULL, "Headset Mic" },
71 };
72 
73 static struct snd_soc_jack_pin rt_sdca_jack_pins[] = {
74 	{
75 		.pin    = "Headphone",
76 		.mask   = SND_JACK_HEADPHONE,
77 	},
78 	{
79 		.pin    = "Headset Mic",
80 		.mask   = SND_JACK_MICROPHONE,
81 	},
82 };
83 
84 /*
85  * The sdca suffix is required for rt711 since there are two generations of the same chip.
86  * RT713 is an SDCA device but the sdca suffix is required for backwards-compatibility with
87  * previous UCM definitions.
88  */
89 static const char * const need_sdca_suffix[] = {
90 	"rt711", "rt713"
91 };
92 
asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime * rtd,struct snd_soc_dai * dai)93 int asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
94 {
95 	struct snd_soc_card *card = rtd->card;
96 	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
97 	struct snd_soc_component *component;
98 	struct snd_soc_jack *jack;
99 	int ret;
100 	int i;
101 
102 	component = dai->component;
103 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
104 					  "%s hs:%s",
105 					  card->components, component->name_prefix);
106 	if (!card->components)
107 		return -ENOMEM;
108 
109 	for (i = 0; i < ARRAY_SIZE(need_sdca_suffix); i++) {
110 		if (strstr(component->name_prefix, need_sdca_suffix[i])) {
111 			/* Add -sdca suffix for existing UCMs */
112 			card->components = devm_kasprintf(card->dev, GFP_KERNEL,
113 							  "%s-sdca", card->components);
114 			if (!card->components)
115 				return -ENOMEM;
116 			break;
117 		}
118 	}
119 
120 	if (strstr(component->name_prefix, "rt711")) {
121 		ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map,
122 					      ARRAY_SIZE(rt711_sdca_map));
123 	} else if (strstr(component->name_prefix, "rt712")) {
124 		ret = snd_soc_dapm_add_routes(&card->dapm, rt712_sdca_map,
125 					      ARRAY_SIZE(rt712_sdca_map));
126 	} else if (strstr(component->name_prefix, "rt713")) {
127 		ret = snd_soc_dapm_add_routes(&card->dapm, rt713_sdca_map,
128 					      ARRAY_SIZE(rt713_sdca_map));
129 	} else if (strstr(component->name_prefix, "rt721")) {
130 		ret = snd_soc_dapm_add_routes(&card->dapm, rt721_sdca_map,
131 					      ARRAY_SIZE(rt721_sdca_map));
132 	} else if (strstr(component->name_prefix, "rt722")) {
133 		ret = snd_soc_dapm_add_routes(&card->dapm, rt722_sdca_map,
134 					      ARRAY_SIZE(rt722_sdca_map));
135 	} else {
136 		dev_err(card->dev, "%s is not supported\n", component->name_prefix);
137 		return -EINVAL;
138 	}
139 
140 	if (ret) {
141 		dev_err(card->dev, "rt sdca jack map addition failed: %d\n", ret);
142 		return ret;
143 	}
144 
145 	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
146 					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
147 					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
148 					 SND_JACK_BTN_3,
149 					 &ctx->sdw_headset,
150 					 rt_sdca_jack_pins,
151 					 ARRAY_SIZE(rt_sdca_jack_pins));
152 	if (ret) {
153 		dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
154 			ret);
155 		return ret;
156 	}
157 
158 	jack = &ctx->sdw_headset;
159 
160 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
161 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
162 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
163 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
164 
165 	ret = snd_soc_component_set_jack(component, jack, NULL);
166 
167 	if (ret)
168 		dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
169 			ret);
170 
171 	return ret;
172 }
173 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_rtd_init, "SND_SOC_SDW_UTILS");
174 
asoc_sdw_rt_sdca_jack_exit(struct snd_soc_card * card,struct snd_soc_dai_link * dai_link)175 int asoc_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
176 {
177 	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
178 
179 	if (!ctx->headset_codec_dev)
180 		return 0;
181 
182 	if (!SOC_SDW_JACK_JDSRC(ctx->mc_quirk))
183 		return 0;
184 
185 	device_remove_software_node(ctx->headset_codec_dev);
186 	put_device(ctx->headset_codec_dev);
187 	ctx->headset_codec_dev = NULL;
188 
189 	return 0;
190 }
191 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_exit, "SND_SOC_SDW_UTILS");
192 
asoc_sdw_rt_sdca_jack_init(struct snd_soc_card * card,struct snd_soc_dai_link * dai_links,struct asoc_sdw_codec_info * info,bool playback)193 int asoc_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
194 			       struct snd_soc_dai_link *dai_links,
195 			       struct asoc_sdw_codec_info *info,
196 			       bool playback)
197 {
198 	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
199 	struct device *sdw_dev;
200 	int ret;
201 
202 	/*
203 	 * Jack detection should be only initialized once for headsets since
204 	 * the playback/capture is sharing the same jack
205 	 */
206 	if (ctx->headset_codec_dev)
207 		return 0;
208 
209 	sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
210 	if (!sdw_dev)
211 		return -EPROBE_DEFER;
212 
213 	ret = rt_sdca_jack_add_codec_device_props(sdw_dev, ctx->mc_quirk);
214 	if (ret < 0) {
215 		put_device(sdw_dev);
216 		return ret;
217 	}
218 	ctx->headset_codec_dev = sdw_dev;
219 
220 	return 0;
221 }
222 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_init, "SND_SOC_SDW_UTILS");
223