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 rt722_sdca_map[] = {
64 { "Headphone", NULL, "rt722 HP" },
65 { "rt722 MIC2", NULL, "Headset Mic" },
66 };
67
68 static struct snd_soc_jack_pin rt_sdca_jack_pins[] = {
69 {
70 .pin = "Headphone",
71 .mask = SND_JACK_HEADPHONE,
72 },
73 {
74 .pin = "Headset Mic",
75 .mask = SND_JACK_MICROPHONE,
76 },
77 };
78
79 /*
80 * The sdca suffix is required for rt711 since there are two generations of the same chip.
81 * RT713 is an SDCA device but the sdca suffix is required for backwards-compatibility with
82 * previous UCM definitions.
83 */
84 static const char * const need_sdca_suffix[] = {
85 "rt711", "rt713"
86 };
87
asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime * rtd,struct snd_soc_dai * dai)88 int asoc_sdw_rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
89 {
90 struct snd_soc_card *card = rtd->card;
91 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
92 struct snd_soc_component *component;
93 struct snd_soc_jack *jack;
94 int ret;
95 int i;
96
97 component = dai->component;
98 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
99 "%s hs:%s",
100 card->components, component->name_prefix);
101 if (!card->components)
102 return -ENOMEM;
103
104 for (i = 0; i < ARRAY_SIZE(need_sdca_suffix); i++) {
105 if (strstr(component->name_prefix, need_sdca_suffix[i])) {
106 /* Add -sdca suffix for existing UCMs */
107 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
108 "%s-sdca", card->components);
109 if (!card->components)
110 return -ENOMEM;
111 break;
112 }
113 }
114
115 if (strstr(component->name_prefix, "rt711")) {
116 ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map,
117 ARRAY_SIZE(rt711_sdca_map));
118 } else if (strstr(component->name_prefix, "rt712")) {
119 ret = snd_soc_dapm_add_routes(&card->dapm, rt712_sdca_map,
120 ARRAY_SIZE(rt712_sdca_map));
121 } else if (strstr(component->name_prefix, "rt713")) {
122 ret = snd_soc_dapm_add_routes(&card->dapm, rt713_sdca_map,
123 ARRAY_SIZE(rt713_sdca_map));
124 } else if (strstr(component->name_prefix, "rt722")) {
125 ret = snd_soc_dapm_add_routes(&card->dapm, rt722_sdca_map,
126 ARRAY_SIZE(rt722_sdca_map));
127 } else {
128 dev_err(card->dev, "%s is not supported\n", component->name_prefix);
129 return -EINVAL;
130 }
131
132 if (ret) {
133 dev_err(card->dev, "rt sdca jack map addition failed: %d\n", ret);
134 return ret;
135 }
136
137 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
138 SND_JACK_HEADSET | SND_JACK_BTN_0 |
139 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
140 SND_JACK_BTN_3,
141 &ctx->sdw_headset,
142 rt_sdca_jack_pins,
143 ARRAY_SIZE(rt_sdca_jack_pins));
144 if (ret) {
145 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
146 ret);
147 return ret;
148 }
149
150 jack = &ctx->sdw_headset;
151
152 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
153 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
154 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
155 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
156
157 ret = snd_soc_component_set_jack(component, jack, NULL);
158
159 if (ret)
160 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
161 ret);
162
163 return ret;
164 }
165 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_rtd_init, SND_SOC_SDW_UTILS);
166
asoc_sdw_rt_sdca_jack_exit(struct snd_soc_card * card,struct snd_soc_dai_link * dai_link)167 int asoc_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
168 {
169 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
170
171 if (!ctx->headset_codec_dev)
172 return 0;
173
174 if (!SOC_SDW_JACK_JDSRC(ctx->mc_quirk))
175 return 0;
176
177 device_remove_software_node(ctx->headset_codec_dev);
178 put_device(ctx->headset_codec_dev);
179 ctx->headset_codec_dev = NULL;
180
181 return 0;
182 }
183 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_exit, SND_SOC_SDW_UTILS);
184
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)185 int asoc_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
186 struct snd_soc_dai_link *dai_links,
187 struct asoc_sdw_codec_info *info,
188 bool playback)
189 {
190 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
191 struct device *sdw_dev;
192 int ret;
193
194 /*
195 * Jack detection should be only initialized once for headsets since
196 * the playback/capture is sharing the same jack
197 */
198 if (ctx->headset_codec_dev)
199 return 0;
200
201 sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
202 if (!sdw_dev)
203 return -EPROBE_DEFER;
204
205 ret = rt_sdca_jack_add_codec_device_props(sdw_dev, ctx->mc_quirk);
206 if (ret < 0) {
207 put_device(sdw_dev);
208 return ret;
209 }
210 ctx->headset_codec_dev = sdw_dev;
211
212 return 0;
213 }
214 EXPORT_SYMBOL_NS(asoc_sdw_rt_sdca_jack_init, SND_SOC_SDW_UTILS);
215