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 *dev = card->dev; 29 struct snd_soc_dai_link *link; 30 struct of_phandle_args args; 31 struct snd_soc_dai_link_component *dlc; 32 int ret, num_links; 33 34 ret = snd_soc_of_parse_card_name(card, "model"); 35 if (ret == 0 && !card->name) 36 /* Deprecated, only for compatibility with old device trees */ 37 ret = snd_soc_of_parse_card_name(card, "qcom,model"); 38 if (ret) { 39 dev_err(dev, "Error parsing card name: %d\n", ret); 40 return ret; 41 } 42 43 if (of_property_present(dev->of_node, "widgets")) { 44 ret = snd_soc_of_parse_audio_simple_widgets(card, "widgets"); 45 if (ret) 46 return ret; 47 } 48 49 /* DAPM routes */ 50 if (of_property_present(dev->of_node, "audio-routing")) { 51 ret = snd_soc_of_parse_audio_routing(card, "audio-routing"); 52 if (ret) 53 return ret; 54 } 55 /* Deprecated, only for compatibility with old device trees */ 56 if (of_property_present(dev->of_node, "qcom,audio-routing")) { 57 ret = snd_soc_of_parse_audio_routing(card, "qcom,audio-routing"); 58 if (ret) 59 return ret; 60 } 61 62 ret = snd_soc_of_parse_pin_switches(card, "pin-switches"); 63 if (ret) 64 return ret; 65 66 ret = snd_soc_of_parse_aux_devs(card, "aux-devs"); 67 if (ret) 68 return ret; 69 70 /* Populate links */ 71 num_links = of_get_available_child_count(dev->of_node); 72 73 /* Allocate the DAI link array */ 74 card->dai_link = devm_kcalloc(dev, num_links, sizeof(*link), GFP_KERNEL); 75 if (!card->dai_link) 76 return -ENOMEM; 77 78 card->num_links = num_links; 79 link = card->dai_link; 80 81 for_each_available_child_of_node_scoped(dev->of_node, np) { 82 dlc = devm_kcalloc(dev, 2, sizeof(*dlc), GFP_KERNEL); 83 if (!dlc) 84 return -ENOMEM; 85 86 link->cpus = &dlc[0]; 87 link->platforms = &dlc[1]; 88 89 link->num_cpus = 1; 90 link->num_platforms = 1; 91 92 ret = of_property_read_string(np, "link-name", &link->name); 93 if (ret) { 94 dev_err(dev, "error getting codec dai_link name\n"); 95 return ret; 96 } 97 98 struct device_node *cpu __free(device_node) = 99 of_get_child_by_name(np, "cpu"); 100 struct device_node *platform __free(device_node) = 101 of_get_child_by_name(np, "platform"); 102 struct device_node *codec __free(device_node) = 103 of_get_child_by_name(np, "codec"); 104 105 if (!cpu) { 106 dev_err(dev, "%s: Can't find cpu DT node\n", link->name); 107 return -EINVAL; 108 } 109 110 ret = snd_soc_of_get_dlc(cpu, &args, link->cpus, 0); 111 if (ret) { 112 dev_err_probe(dev, ret, 113 "%s: error getting cpu dai name\n", link->name); 114 return ret; 115 } 116 117 link->id = args.args[0]; 118 119 if (link->id >= LPASS_MAX_PORT) { 120 dev_err(dev, "%s: Invalid cpu dai id %d\n", link->name, link->id); 121 return -EINVAL; 122 } 123 124 if (platform) { 125 link->platforms->of_node = of_parse_phandle(platform, 126 "sound-dai", 127 0); 128 if (!link->platforms->of_node) { 129 dev_err(dev, "%s: platform dai not found\n", link->name); 130 return -EINVAL; 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(dev, ret, 140 "%s: codec dai not found\n", link->name); 141 return ret; 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 link->ignore_suspend = 1; 159 link->nonatomic = 1; 160 } 161 162 link->stream_name = link->name; 163 link++; 164 } 165 166 if (!card->dapm_widgets) { 167 card->dapm_widgets = qcom_jack_snd_widgets; 168 card->num_dapm_widgets = ARRAY_SIZE(qcom_jack_snd_widgets); 169 } 170 171 return 0; 172 } 173 EXPORT_SYMBOL_GPL(qcom_snd_parse_of); 174 175 static struct snd_soc_jack_pin qcom_headset_jack_pins[] = { 176 /* Headset */ 177 { 178 .pin = "Mic Jack", 179 .mask = SND_JACK_MICROPHONE, 180 }, 181 { 182 .pin = "Headphone Jack", 183 .mask = SND_JACK_HEADPHONE, 184 }, 185 }; 186 187 int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd, 188 struct snd_soc_jack *jack, bool *jack_setup) 189 { 190 struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); 191 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 192 struct snd_soc_card *card = rtd->card; 193 int rval, i; 194 195 if (!*jack_setup) { 196 rval = snd_soc_card_jack_new_pins(card, "Headset Jack", 197 SND_JACK_HEADSET | SND_JACK_LINEOUT | 198 SND_JACK_MECHANICAL | 199 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 200 SND_JACK_BTN_2 | SND_JACK_BTN_3 | 201 SND_JACK_BTN_4 | SND_JACK_BTN_5, 202 jack, qcom_headset_jack_pins, 203 ARRAY_SIZE(qcom_headset_jack_pins)); 204 205 if (rval < 0) { 206 dev_err(card->dev, "Unable to add Headphone Jack\n"); 207 return rval; 208 } 209 210 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA); 211 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 212 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 213 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 214 *jack_setup = true; 215 } 216 217 switch (cpu_dai->id) { 218 case LPI_MI2S_RX_0: 219 case TX_CODEC_DMA_TX_0: 220 case TX_CODEC_DMA_TX_1: 221 case TX_CODEC_DMA_TX_2: 222 case TX_CODEC_DMA_TX_3: 223 for_each_rtd_codec_dais(rtd, i, codec_dai) { 224 rval = snd_soc_component_set_jack(codec_dai->component, 225 jack, NULL); 226 if (rval != 0 && rval != -ENOTSUPP) { 227 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 228 return rval; 229 } 230 } 231 232 break; 233 default: 234 break; 235 } 236 237 238 return 0; 239 } 240 EXPORT_SYMBOL_GPL(qcom_snd_wcd_jack_setup); 241 242 int qcom_snd_dp_jack_setup(struct snd_soc_pcm_runtime *rtd, 243 struct snd_soc_jack *dp_jack, int dp_pcm_id) 244 { 245 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 246 struct snd_soc_card *card = rtd->card; 247 char jack_name[NAME_SIZE]; 248 int rval, i; 249 250 snprintf(jack_name, sizeof(jack_name), "DP%d Jack", dp_pcm_id); 251 rval = snd_soc_card_jack_new(card, jack_name, SND_JACK_AVOUT, dp_jack); 252 if (rval) 253 return rval; 254 255 for_each_rtd_codec_dais(rtd, i, codec_dai) { 256 rval = snd_soc_component_set_jack(codec_dai->component, dp_jack, NULL); 257 if (rval != 0 && rval != -ENOTSUPP) { 258 dev_warn(card->dev, "Failed to set jack: %d\n", rval); 259 return rval; 260 } 261 } 262 263 return 0; 264 } 265 EXPORT_SYMBOL_GPL(qcom_snd_dp_jack_setup); 266 267 MODULE_DESCRIPTION("ASoC Qualcomm helper functions"); 268 MODULE_LICENSE("GPL"); 269