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