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 */
 24static 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
 46static 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
 51static const struct snd_soc_dapm_route rt711_sdca_map[] = {
 52	{ "Headphone", NULL, "rt711 HP" },
 53	{ "rt711 MIC2", NULL, "Headset Mic" },
 54};
 55
 56static const struct snd_soc_dapm_route rt712_sdca_map[] = {
 57	{ "Headphone", NULL, "rt712 HP" },
 58	{ "rt712 MIC2", NULL, "Headset Mic" },
 59};
 60
 61static const struct snd_soc_dapm_route rt713_sdca_map[] = {
 62	{ "Headphone", NULL, "rt713 HP" },
 63	{ "rt713 MIC2", NULL, "Headset Mic" },
 64};
 65
 66static const struct snd_soc_dapm_route rt722_sdca_map[] = {
 67	{ "Headphone", NULL, "rt722 HP" },
 68	{ "rt722 MIC2", NULL, "Headset Mic" },
 69};
 70
 71static const struct snd_kcontrol_new rt_sdca_jack_controls[] = {
 72	SOC_DAPM_PIN_SWITCH("Headphone"),
 73	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 74};
 75
 76static struct snd_soc_jack_pin rt_sdca_jack_pins[] = {
 77	{
 78		.pin    = "Headphone",
 79		.mask   = SND_JACK_HEADPHONE,
 80	},
 81	{
 82		.pin    = "Headset Mic",
 83		.mask   = SND_JACK_MICROPHONE,
 84	},
 85};
 86
 87static int rt_sdca_jack_rtd_init(struct snd_soc_pcm_runtime *rtd)
 88{
 89	struct snd_soc_card *card = rtd->card;
 90	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
 91	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 92	struct snd_soc_component *component = codec_dai->component;
 93	struct snd_soc_jack *jack;
 94	int ret;
 95
 96	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
 97					  "%s hs:%s-sdca",
 98					  card->components, component->name_prefix);
 99	if (!card->components)
100		return -ENOMEM;
101
102	ret = snd_soc_add_card_controls(card, rt_sdca_jack_controls,
103					ARRAY_SIZE(rt_sdca_jack_controls));
104	if (ret) {
105		dev_err(card->dev, "rt sdca jack controls addition failed: %d\n", ret);
106		return ret;
107	}
108
109	ret = snd_soc_dapm_new_controls(&card->dapm, rt_sdca_jack_widgets,
110					ARRAY_SIZE(rt_sdca_jack_widgets));
111	if (ret) {
112		dev_err(card->dev, "rt sdca jack widgets addition failed: %d\n", ret);
113		return ret;
114	}
115
116	if (strstr(component->name_prefix, "rt711")) {
117		ret = snd_soc_dapm_add_routes(&card->dapm, rt711_sdca_map,
118					      ARRAY_SIZE(rt711_sdca_map));
119	} else if (strstr(component->name_prefix, "rt712")) {
120		ret = snd_soc_dapm_add_routes(&card->dapm, rt712_sdca_map,
121					      ARRAY_SIZE(rt712_sdca_map));
122	} else if (strstr(component->name_prefix, "rt713")) {
123		ret = snd_soc_dapm_add_routes(&card->dapm, rt713_sdca_map,
124					      ARRAY_SIZE(rt713_sdca_map));
125	} else if (strstr(component->name_prefix, "rt722")) {
126		ret = snd_soc_dapm_add_routes(&card->dapm, rt722_sdca_map,
127					      ARRAY_SIZE(rt722_sdca_map));
128	} else {
129		dev_err(card->dev, "%s is not supported\n", component->name_prefix);
130		return -EINVAL;
131	}
132
133	if (ret) {
134		dev_err(card->dev, "rt sdca jack map addition failed: %d\n", ret);
135		return ret;
136	}
137
138	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
139					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
140					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
141					 SND_JACK_BTN_3,
142					 &ctx->sdw_headset,
143					 rt_sdca_jack_pins,
144					 ARRAY_SIZE(rt_sdca_jack_pins));
145	if (ret) {
146		dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
147			ret);
148		return ret;
149	}
150
151	jack = &ctx->sdw_headset;
152
153	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
154	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
155	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
156	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
157
158	ret = snd_soc_component_set_jack(component, jack, NULL);
159
160	if (ret)
161		dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
162			ret);
163
164	return ret;
165}
166
167int sof_sdw_rt_sdca_jack_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link)
168{
169	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
170
171	if (!ctx->headset_codec_dev)
172		return 0;
173
174	if (!SOF_JACK_JDSRC(sof_sdw_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
184int sof_sdw_rt_sdca_jack_init(struct snd_soc_card *card,
185			      const struct snd_soc_acpi_link_adr *link,
186			      struct snd_soc_dai_link *dai_links,
187			      struct sof_sdw_codec_info *info,
188			      bool playback)
189{
190	struct 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);
206	if (ret < 0) {
207		put_device(sdw_dev);
208		return ret;
209	}
210	ctx->headset_codec_dev = sdw_dev;
211
212	dai_links->init = rt_sdca_jack_rtd_init;
213
214	return 0;
215}