1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2018, Linaro Limited. 3 // Copyright (c) 2018, The Linux Foundation. All rights reserved. 4 5 #include <dt-bindings/sound/qcom,q6afe.h> 6 #include <linux/module.h> 7 #include <sound/jack.h> 8 #include <linux/input-event-codes.h> 9 #include "common.h" 10 11 #define NAME_SIZE 32 12 13 static const struct snd_soc_dapm_widget qcom_jack_snd_widgets[] = { 14 SND_SOC_DAPM_HP("Headphone Jack", NULL), 15 SND_SOC_DAPM_MIC("Mic Jack", NULL), 16 SND_SOC_DAPM_SPK("DP0 Jack", NULL), 17 SND_SOC_DAPM_SPK("DP1 Jack", NULL), 18 SND_SOC_DAPM_SPK("DP2 Jack", NULL), 19 SND_SOC_DAPM_SPK("DP3 Jack", NULL), 20 SND_SOC_DAPM_SPK("DP4 Jack", NULL), 21 SND_SOC_DAPM_SPK("DP5 Jack", NULL), 22 SND_SOC_DAPM_SPK("DP6 Jack", NULL), 23 SND_SOC_DAPM_SPK("DP7 Jack", NULL), 24 }; 25 26 int qcom_snd_parse_of(struct snd_soc_card *card) 27 { 28 struct device_node *np; 29 struct device_node *codec = NULL; 30 struct device_node *platform = NULL; 31 struct device_node *cpu = NULL; 32 struct device *dev = card->dev; 33 struct snd_soc_dai_link *link; 34 struct of_phandle_args args; 35 struct snd_soc_dai_link_component *dlc; 36 int ret, num_links; 37 38 ret = snd_soc_of_parse_card_name(card, "model"); 39 if (ret == 0 && !card->name) 40 /* Deprecated, only for compatibility with old device trees */ 41 ret = snd_soc_of_parse_card_name(card, "qcom,model"); 42 if (ret) { 43 dev_err(dev, "Error parsing card name: %d\n", ret); 44 return ret; 45 } 46 47 if (of_property_read_bool(dev->of_node, "widgets")) { 48 ret = snd_soc_of_parse_audio_simple_widgets(card, "widgets"); 49 if (ret) 50 return ret; 51 } 52 53 /* DAPM routes */ 54 if (of_property_read_bool(dev->of_node, "audio-routing")) { 55 ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); 56 if (ret) 57 return ret; 58 } 59 /* Deprecated, only for compatibility with old device trees */ 60 if (of_property_read_bool(dev->of_node, "qcom,audio-routing")) { 61 ret = snd_soc_of_parse_audio_routing(card, "qcom,audio-routing"); 62 if (ret) 63 return ret; 64 } 65 66 ret = snd_soc_of_parse_pin_switches(card, "pin-switches"); 67 if (ret) 68 return ret; 69 70 ret = snd_soc_of_parse_aux_devs(card, "aux-devs"); 71 if (ret) 72 return ret; 73 74 /* Populate links */ 75 num_links = of_get_available_child_count(dev->of_node); 76 77 /* Allocate the DAI link array */ 78 card->dai_link = devm_kcalloc(dev, num_links, sizeof(*link), GFP_KERNEL); 79 if (!card->dai_link) 80 return -ENOMEM; 81 82 card->num_links = num_links; 83 link = card->dai_link; 84 85 for_each_available_child_of_node(dev->of_node, np) { 86 dlc = devm_kcalloc(dev, 2, sizeof(*dlc), GFP_KERNEL); 87 if (!dlc) { 88 ret = -ENOMEM; 89 goto err_put_np; 90 } 91 92 link->cpus = &dlc[0]; 93 link->platforms = &dlc[1]; 94 95 link->num_cpus = 1; 96 link->num_platforms = 1; 97 98 ret = of_property_read_string(np, "link-name", &link->name); 99 if (ret) { 100 dev_err(card->dev, "error getting codec dai_link name\n"); 101 goto err_put_np; 102 } 103 104 cpu = of_get_child_by_name(np, "cpu"); 105 platform = of_get_child_by_name(np, "platform"); 106 codec = of_get_child_by_name(np, "codec"); 107 108 if (!cpu) { 109 dev_err(dev, "%s: Can't find cpu DT node\n", link->name); 110 ret = -EINVAL; 111 goto err; 112 } 113 114 ret = snd_soc_of_get_dlc(cpu, &args, link->cpus, 0); 115 if (ret) { 116 dev_err_probe(card->dev, ret, 117 "%s: error getting cpu dai name\n", link->name); 118 goto err; 119 } 120 121 link->id = args.args[0]; 122 123 if (platform) { 124 link->platforms->of_node = of_parse_phandle(platform, 125 "sound-dai", 126 0); 127 if (!link->platforms->of_node) { 128 dev_err(card->dev, "%s: platform dai not found\n", link->name); 129 ret = -EINVAL; 130 goto err; 131 } 132 } else { 133 link->platforms->of_node = link->cpus->of_node; 134 } 135 136 if (codec) { 137 ret = snd_soc_of_get_dai_link_codecs(dev, codec, link); 138 if (ret < 0) { 139 dev_err_probe(card->dev, ret, 140 "%s: codec dai not found\n", link->name); 141 goto err; 142 } 143 144 if (platform) { 145 /* DPCM backend */ 146 link->no_pcm = 1; 147 link->ignore_pmdown_time = 1; 148 } 149 } else { 150 /* DPCM frontend */ 151 link->codecs = &snd_soc_dummy_dlc; 152 link->num_codecs = 1; 153 link->dynamic = 1; 154 } 155 156 if (platform || !codec) { 157 /* DPCM */ 158 snd_soc_dai_link_set_capabilities(link); 159 link->ignore_suspend = 1; 160 link->nonatomic = 1; 161 } 162 163 link->stream_name = link->name; 164 link++; 165 166 of_node_put(cpu); 167 of_node_put(codec); 168 of_node_put(platform); 169 } 170 171 if (!card->dapm_widgets) { 172 card->dapm_widgets = qcom_jack_snd_widgets; 173 card->num_dapm_widgets = ARRAY_SIZE(qcom_jack_snd_widgets); 174 } 175 176 return 0; 177 err: 178 of_node_put(cpu); 179 of_node_put(codec); 180 of_node_put(platform); 181 err_put_np: 182 of_node_put(np); 183 return ret; 184 } 185 EXPORT_SYMBOL_GPL(qcom_snd_parse_of); 186 187 static struct snd_soc_jack_pin qcom_headset_jack_pins[] = { 188 /* Headset */ 189 { 190 .pin = "Mic Jack", 191 .mask = SND_JACK_MICROPHONE, 192 }, 193 { 194 .pin = "Headphone Jack", 195 .mask = SND_JACK_HEADPHONE, 196 }, 197 }; 198 199 int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd, 200 struct snd_soc_jack *jack, bool *jack_setup) 201 { 202 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 203 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 204 struct snd_soc_card *card = rtd->card; 205 int rval, i; 206 207 if (!*jack_setup) { 208 rval = snd_soc_card_jack_new_pins(card, "Headset Jack", 209 SND_JACK_HEADSET | SND_JACK_LINEOUT | 210 SND_JACK_MECHANICAL | 211 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 212 SND_JACK_BTN_2 | SND_JACK_BTN_3 | 213 SND_JACK_BTN_4 | SND_JACK_BTN_5, 214 jack, qcom_headset_jack_pins, 215 ARRAY_SIZE(qcom_headset_jack_pins)); 216 217 if (rval < 0) { 218 dev_err(card->dev, "Unable to add Headphone Jack\n"); 219 return rval; 220 } 221 222 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA); 223 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 224 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 225 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 226 *jack_setup = true; 227 } 228 229 switch (cpu_dai->id) { 230 case TX_CODEC_DMA_TX_0: 231 case TX_CODEC_DMA_TX_1: 232 case TX_CODEC_DMA_TX_2: 233 case TX_CODEC_DMA_TX_3: 234 for_each_rtd_codec_dais(rtd, i, codec_dai) { 235 rval = snd_soc_component_set_jack(codec_dai->component, 236 jack, NULL); 237 if (rval != 0 && rval != -ENOTSUPP) { 238 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 239 return rval; 240 } 241 } 242 243 break; 244 default: 245 break; 246 } 247 248 249 return 0; 250 } 251 EXPORT_SYMBOL_GPL(qcom_snd_wcd_jack_setup); 252 253 int qcom_snd_dp_jack_setup(struct snd_soc_pcm_runtime *rtd, 254 struct snd_soc_jack *dp_jack, int dp_pcm_id) 255 { 256 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 257 struct snd_soc_card *card = rtd->card; 258 char jack_name[NAME_SIZE]; 259 int rval, i; 260 261 snprintf(jack_name, sizeof(jack_name), "DP%d Jack", dp_pcm_id); 262 rval = snd_soc_card_jack_new(card, jack_name, SND_JACK_AVOUT, dp_jack); 263 if (rval) 264 return rval; 265 266 for_each_rtd_codec_dais(rtd, i, codec_dai) { 267 rval = snd_soc_component_set_jack(codec_dai->component, dp_jack, NULL); 268 if (rval != 0 && rval != -ENOTSUPP) { 269 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 270 return rval; 271 } 272 } 273 274 return 0; 275 } 276 EXPORT_SYMBOL_GPL(qcom_snd_dp_jack_setup); 277 278 MODULE_DESCRIPTION("ASoC Qualcomm helper functions"); 279 MODULE_LICENSE("GPL"); 280