1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2021-2022 Intel Corporation 4 // 5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com> 6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> 7 // 8 9 #include <linux/module.h> 10 #include <sound/jack.h> 11 #include <sound/pcm.h> 12 #include <sound/pcm_params.h> 13 #include <sound/soc.h> 14 #include <sound/soc-acpi.h> 15 #include "../../../codecs/rt286.h" 16 #include "../utils.h" 17 18 #define RT286_CODEC_DAI "rt286-aif1" 19 20 static const struct snd_kcontrol_new card_controls[] = { 21 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 22 SOC_DAPM_PIN_SWITCH("Mic Jack"), 23 SOC_DAPM_PIN_SWITCH("Speaker"), 24 }; 25 26 static const struct snd_soc_dapm_widget card_widgets[] = { 27 SND_SOC_DAPM_HP("Headphone Jack", NULL), 28 SND_SOC_DAPM_MIC("Mic Jack", NULL), 29 SND_SOC_DAPM_SPK("Speaker", NULL), 30 }; 31 32 static const struct snd_soc_dapm_route card_base_routes[] = { 33 /* HP jack connectors - unknown if we have jack detect */ 34 {"Headphone Jack", NULL, "HPO Pin"}, 35 {"MIC1", NULL, "Mic Jack"}, 36 37 {"Speaker", NULL, "SPOR"}, 38 {"Speaker", NULL, "SPOL"}, 39 }; 40 41 static const struct snd_soc_jack_pin card_headset_pins[] = { 42 { 43 .pin = "Headphone Jack", 44 .mask = SND_JACK_HEADPHONE, 45 }, 46 { 47 .pin = "Mic Jack", 48 .mask = SND_JACK_MICROPHONE, 49 }, 50 }; 51 52 static int avs_rt286_codec_init(struct snd_soc_pcm_runtime *runtime) 53 { 54 struct snd_soc_card *card = runtime->card; 55 struct snd_soc_jack_pin *pins; 56 struct snd_soc_jack *jack; 57 int num_pins, ret; 58 59 jack = snd_soc_card_get_drvdata(card); 60 num_pins = ARRAY_SIZE(card_headset_pins); 61 62 pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, 63 sizeof(card_headset_pins[0]), GFP_KERNEL); 64 if (!pins) 65 return -ENOMEM; 66 67 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0, 68 jack, pins, num_pins); 69 if (ret) 70 return ret; 71 72 return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL); 73 } 74 75 static void avs_rt286_codec_exit(struct snd_soc_pcm_runtime *rtd) 76 { 77 snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL); 78 } 79 80 static int avs_rt286_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params) 81 { 82 struct snd_interval *rate, *channels; 83 struct snd_mask *fmt; 84 85 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 86 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); 87 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 88 89 /* The ADSP will convert the FE rate to 48k, stereo */ 90 rate->min = rate->max = 48000; 91 channels->min = channels->max = 2; 92 93 /* set SSP0 to 24 bit */ 94 snd_mask_none(fmt); 95 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 96 97 return 0; 98 } 99 100 static int 101 avs_rt286_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) 102 { 103 struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream); 104 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0); 105 int ret; 106 107 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN); 108 if (ret < 0) 109 dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret); 110 111 return ret; 112 } 113 114 static const struct snd_soc_ops avs_rt286_ops = { 115 .hw_params = avs_rt286_hw_params, 116 }; 117 118 static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot, 119 struct snd_soc_dai_link **dai_link) 120 { 121 struct snd_soc_dai_link_component *platform; 122 struct snd_soc_dai_link *dl; 123 124 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); 125 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); 126 if (!dl || !platform) 127 return -ENOMEM; 128 129 dl->name = devm_kasprintf(dev, GFP_KERNEL, 130 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot)); 131 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); 132 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); 133 if (!dl->name || !dl->cpus || !dl->codecs) 134 return -ENOMEM; 135 136 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 137 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot)); 138 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00"); 139 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT286_CODEC_DAI); 140 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) 141 return -ENOMEM; 142 143 platform->name = dev_name(dev); 144 dl->num_cpus = 1; 145 dl->num_codecs = 1; 146 dl->platforms = platform; 147 dl->num_platforms = 1; 148 dl->id = 0; 149 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC; 150 dl->init = avs_rt286_codec_init; 151 dl->exit = avs_rt286_codec_exit; 152 dl->be_hw_params_fixup = avs_rt286_be_fixup; 153 dl->ops = &avs_rt286_ops; 154 dl->nonatomic = 1; 155 dl->no_pcm = 1; 156 157 *dai_link = dl; 158 159 return 0; 160 } 161 162 static int avs_card_suspend_pre(struct snd_soc_card *card) 163 { 164 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI); 165 166 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 167 } 168 169 static int avs_card_resume_post(struct snd_soc_card *card) 170 { 171 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI); 172 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); 173 174 return snd_soc_component_set_jack(codec_dai->component, jack, NULL); 175 } 176 177 static int avs_rt286_probe(struct platform_device *pdev) 178 { 179 struct snd_soc_dai_link *dai_link; 180 struct snd_soc_acpi_mach *mach; 181 struct avs_mach_pdata *pdata; 182 struct snd_soc_card *card; 183 struct snd_soc_jack *jack; 184 struct device *dev = &pdev->dev; 185 int ssp_port, tdm_slot, ret; 186 187 mach = dev_get_platdata(dev); 188 pdata = mach->pdata; 189 190 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot); 191 if (ret) 192 return ret; 193 194 ret = avs_create_dai_link(dev, ssp_port, tdm_slot, &dai_link); 195 196 if (ret) { 197 dev_err(dev, "Failed to create dai link: %d", ret); 198 return ret; 199 } 200 201 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); 202 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 203 if (!jack || !card) 204 return -ENOMEM; 205 206 if (pdata->obsolete_card_names) { 207 card->name = "avs_rt286"; 208 } else { 209 card->driver_name = "avs_rt286"; 210 card->long_name = card->name = "AVS I2S ALC286"; 211 } 212 card->dev = dev; 213 card->owner = THIS_MODULE; 214 card->suspend_pre = avs_card_suspend_pre; 215 card->resume_post = avs_card_resume_post; 216 card->dai_link = dai_link; 217 card->num_links = 1; 218 card->controls = card_controls; 219 card->num_controls = ARRAY_SIZE(card_controls); 220 card->dapm_widgets = card_widgets; 221 card->num_dapm_widgets = ARRAY_SIZE(card_widgets); 222 card->dapm_routes = card_base_routes; 223 card->num_dapm_routes = ARRAY_SIZE(card_base_routes); 224 card->fully_routed = true; 225 snd_soc_card_set_drvdata(card, jack); 226 227 return devm_snd_soc_register_deferrable_card(dev, card); 228 } 229 230 static const struct platform_device_id avs_rt286_driver_ids[] = { 231 { 232 .name = "avs_rt286", 233 }, 234 {}, 235 }; 236 MODULE_DEVICE_TABLE(platform, avs_rt286_driver_ids); 237 238 static struct platform_driver avs_rt286_driver = { 239 .probe = avs_rt286_probe, 240 .driver = { 241 .name = "avs_rt286", 242 .pm = &snd_soc_pm_ops, 243 }, 244 .id_table = avs_rt286_driver_ids, 245 }; 246 247 module_platform_driver(avs_rt286_driver); 248 249 MODULE_DESCRIPTION("Intel rt286 machine driver"); 250 MODULE_LICENSE("GPL"); 251