1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2020 Intel Corporation
3
4 /*
5 * sof_sdw_rt711_sdca - Helpers to handle RT711-SDCA from generic machine driver
6 */
7
8 #include <linux/device.h>
9 #include <linux/errno.h>
10 #include <linux/input.h>
11 #include <linux/soundwire/sdw.h>
12 #include <linux/soundwire/sdw_type.h>
13 #include <sound/control.h>
14 #include <sound/soc.h>
15 #include <sound/soc-acpi.h>
16 #include <sound/soc-dapm.h>
17 #include <sound/jack.h>
18 #include "sof_sdw_common.h"
19
20 /*
21 * Note this MUST be called before snd_soc_register_card(), so that the props
22 * are in place before the codec component driver's probe function parses them.
23 */
rt_sdca_jack_add_codec_device_props(struct device * sdw_dev)24 static int rt_sdca_jack_add_codec_device_props(struct device *sdw_dev)
25 {
26 struct property_entry props[MAX_NO_PROPS] = {};
27 struct fwnode_handle *fwnode;
28 int ret;
29
30 if (!SOF_JACK_JDSRC(sof_sdw_quirk))
31 return 0;
32
33 props[0] = PROPERTY_ENTRY_U32("realtek,jd-src", SOF_JACK_JDSRC(sof_sdw_quirk));
34
35 fwnode = fwnode_create_software_node(props, NULL);
36 if (IS_ERR(fwnode))
37 return PTR_ERR(fwnode);
38
39 ret = device_add_software_node(sdw_dev, to_software_node(fwnode));
40
41 fwnode_handle_put(fwnode);
42
43 return ret;
44 }
45
46 static const struct snd_soc_dapm_widget rt_sdca_jack_widgets[] = {
47 SND_SOC_DAPM_HP("Headphone", NULL),
48 SND_SOC_DAPM_MIC("Headset Mic", NULL),
49 };
50
51 static const struct snd_soc_dapm_route rt711_sdca_map[] = {
52 { "Headphone", NULL, "rt711 HP" },
53 { "rt711 MIC2", NULL, "Headset Mic" },
54 };
55
56 static const struct snd_soc_dapm_route rt712_sdca_map[] = {
57 { "Headphone", NULL, "rt712 HP" },
58 { "rt712 MIC2", NULL, "Headset Mic" },
59 };
60
61 static const struct snd_kcontrol_new rt_sdca_jack_controls[] = {
62 SOC_DAPM_PIN_SWITCH("Headphone"),
63 SOC_DAPM_PIN_SWITCH("Headset Mic"),
64 };
65
66 static struct snd_soc_jack_pin rt_sdca_jack_pins[] = {
67 {
68 .pin = "Headphone",
69 .mask = SND_JACK_HEADPHONE,
70 },
71 {
72 .pin = "Headset Mic",
73 .mask = SND_JACK_MICROPHONE,
74 },
75 };
76
rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime * rtd)77 static int rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd)
78 {
79 struct snd_soc_card *card = rtd->card;
80 struct mc_private *ctx = snd_soc_card_get_drvdata(card);
81 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
82 struct snd_soc_component *component = codec_dai->component;
83 struct snd_soc_jack *jack;
84 int ret;
85
86 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
87 "%s hs:%s-sdca",
88 card->components, component->name_prefix);
89 if (!card->components)
90 return -ENOMEM;
91
92 ret = snd_soc_add_card_controls(card, rt_sdca_jack_controls,
93 ARRAY_SIZE(rt_sdca_jack_controls));
94 if (ret) {
95 dev_err(card->dev, "rt sdca jack controls addition failed: %d\n", ret);
96 return ret;
97 }
98
99 ret = snd_soc_dapm_new_controls(&card->dapm, rt_sdca_jack_widgets,
100 ARRAY_SIZE(rt_sdca_jack_widgets));
101 if (ret) {
102 dev_err(card->dev, "rt sdca jack widgets addition failed: %d\n", ret);
103 return ret;
104 }
105
106 if (strstr(component->name_prefix, "rt711")) {
107 ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map,
108 ARRAY_SIZE(rt711_sdca_map));
109 } else if (strstr(component->name_prefix, "rt712")) {
110 ret = snd_soc_dapm_add_routes(&card->dapm, rt712_sdca_map,
111 ARRAY_SIZE(rt712_sdca_map));
112 } else {
113 dev_err(card->dev, "%s is not supported\n", component->name_prefix);
114 return -EINVAL;
115 }
116
117 if (ret) {
118 dev_err(card->dev, "rt sdca jack map addition failed: %d\n", ret);
119 return ret;
120 }
121
122 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
123 SND_JACK_HEADSET | SND_JACK_BTN_0 |
124 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
125 SND_JACK_BTN_3,
126 &ctx->sdw_headset,
127 rt_sdca_jack_pins,
128 ARRAY_SIZE(rt_sdca_jack_pins));
129 if (ret) {
130 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
131 ret);
132 return ret;
133 }
134
135 jack = &ctx->sdw_headset;
136
137 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
138 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
139 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
140 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
141
142 ret = snd_soc_component_set_jack(component, jack, NULL);
143
144 if (ret)
145 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
146 ret);
147
148 return ret;
149 }
150
sof_sdw_rt_sdca_jack_exit(struct snd_soc_card * card,struct snd_soc_dai_link * dai_link)151 int sof_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
152 {
153 struct mc_private *ctx = snd_soc_card_get_drvdata(card);
154
155 if (!ctx->headset_codec_dev)
156 return 0;
157
158 if (!SOF_JACK_JDSRC(sof_sdw_quirk))
159 return 0;
160
161 device_remove_software_node(ctx->headset_codec_dev);
162 put_device(ctx->headset_codec_dev);
163
164 return 0;
165 }
166
sof_sdw_rt_sdca_jack_init(struct snd_soc_card * card,const struct snd_soc_acpi_link_adr * link,struct snd_soc_dai_link * dai_links,struct sof_sdw_codec_info * info,bool playback)167 int sof_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
168 const struct snd_soc_acpi_link_adr *link,
169 struct snd_soc_dai_link *dai_links,
170 struct sof_sdw_codec_info *info,
171 bool playback)
172 {
173 struct mc_private *ctx = snd_soc_card_get_drvdata(card);
174 struct device *sdw_dev;
175 int ret;
176
177 /*
178 * headset should be initialized once.
179 * Do it with dai link for playback.
180 */
181 if (!playback)
182 return 0;
183
184 sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name);
185 if (!sdw_dev)
186 return -EPROBE_DEFER;
187
188 ret = rt_sdca_jack_add_codec_device_props(sdw_dev);
189 if (ret < 0) {
190 put_device(sdw_dev);
191 return ret;
192 }
193 ctx->headset_codec_dev = sdw_dev;
194
195 dai_links->init = rt_sdca_jack_rtd_init;
196
197 return 0;
198 }
199