1 // SPDX-License-Identifier: GPL-2.0-only 2 // Copyright (c) 2020 Intel Corporation 3 4 /* 5 * sof_sdw_rt711 - Helpers to handle RT711 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_board_helpers.h" 19 #include "sof_sdw_common.h" 20 21 /* 22 * Note this MUST be called before snd_soc_register_card(), so that the props 23 * are in place before the codec component driver's probe function parses them. 24 */ 25 static int rt711_add_codec_device_props(struct device *sdw_dev) 26 { 27 struct property_entry props[MAX_NO_PROPS] = {}; 28 struct fwnode_handle *fwnode; 29 int ret; 30 31 if (!SOF_JACK_JDSRC(sof_sdw_quirk)) 32 return 0; 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 rt711_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_map[] = { 52 /* Headphones */ 53 { "Headphone", NULL, "rt711 HP" }, 54 { "rt711 MIC2", NULL, "Headset Mic" }, 55 }; 56 57 static const struct snd_kcontrol_new rt711_controls[] = { 58 SOC_DAPM_PIN_SWITCH("Headphone"), 59 SOC_DAPM_PIN_SWITCH("Headset Mic"), 60 }; 61 62 static struct snd_soc_jack_pin rt711_jack_pins[] = { 63 { 64 .pin = "Headphone", 65 .mask = SND_JACK_HEADPHONE, 66 }, 67 { 68 .pin = "Headset Mic", 69 .mask = SND_JACK_MICROPHONE, 70 }, 71 }; 72 73 static const char * const jack_codecs[] = { 74 "rt711" 75 }; 76 77 int rt711_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; 82 struct snd_soc_component *component; 83 struct snd_soc_jack *jack; 84 int ret; 85 86 codec_dai = get_codec_dai_by_name(rtd, jack_codecs, ARRAY_SIZE(jack_codecs)); 87 if (!codec_dai) 88 return -EINVAL; 89 90 component = codec_dai->component; 91 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 92 "%s hs:rt711", 93 card->components); 94 if (!card->components) 95 return -ENOMEM; 96 97 ret = snd_soc_add_card_controls(card, rt711_controls, 98 ARRAY_SIZE(rt711_controls)); 99 if (ret) { 100 dev_err(card->dev, "rt711 controls addition failed: %d\n", ret); 101 return ret; 102 } 103 104 ret = snd_soc_dapm_new_controls(&card->dapm, rt711_widgets, 105 ARRAY_SIZE(rt711_widgets)); 106 if (ret) { 107 dev_err(card->dev, "rt711 widgets addition failed: %d\n", ret); 108 return ret; 109 } 110 111 ret = snd_soc_dapm_add_routes(&card->dapm, rt711_map, 112 ARRAY_SIZE(rt711_map)); 113 114 if (ret) { 115 dev_err(card->dev, "rt711 map addition failed: %d\n", ret); 116 return ret; 117 } 118 119 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack", 120 SND_JACK_HEADSET | SND_JACK_BTN_0 | 121 SND_JACK_BTN_1 | SND_JACK_BTN_2 | 122 SND_JACK_BTN_3, 123 &ctx->sdw_headset, 124 rt711_jack_pins, 125 ARRAY_SIZE(rt711_jack_pins)); 126 if (ret) { 127 dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n", 128 ret); 129 return ret; 130 } 131 132 jack = &ctx->sdw_headset; 133 134 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 135 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 136 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 137 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 138 139 ret = snd_soc_component_set_jack(component, jack, NULL); 140 141 if (ret) 142 dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n", 143 ret); 144 145 return ret; 146 } 147 148 int sof_sdw_rt711_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) 149 { 150 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 151 152 if (!ctx->headset_codec_dev) 153 return 0; 154 155 device_remove_software_node(ctx->headset_codec_dev); 156 put_device(ctx->headset_codec_dev); 157 158 return 0; 159 } 160 161 int sof_sdw_rt711_init(struct snd_soc_card *card, 162 const struct snd_soc_acpi_link_adr *link, 163 struct snd_soc_dai_link *dai_links, 164 struct sof_sdw_codec_info *info, 165 bool playback) 166 { 167 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 168 struct device *sdw_dev; 169 int ret; 170 171 /* 172 * headset should be initialized once. 173 * Do it with dai link for playback. 174 */ 175 if (!playback) 176 return 0; 177 178 sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name); 179 if (!sdw_dev) 180 return -EPROBE_DEFER; 181 182 ret = rt711_add_codec_device_props(sdw_dev); 183 if (ret < 0) { 184 put_device(sdw_dev); 185 return ret; 186 } 187 ctx->headset_codec_dev = sdw_dev; 188 189 return 0; 190 } 191 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS); 192