1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved. 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 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(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); 63 if (!pins) 64 return -ENOMEM; 65 66 ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, jack, 67 pins, num_pins); 68 if (ret) 69 return ret; 70 71 return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL); 72 } 73 74 static void avs_rt286_codec_exit(struct snd_soc_pcm_runtime *rtd) 75 { 76 snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL); 77 } 78 79 static int avs_rt286_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params) 80 { 81 struct snd_interval *rate, *channels; 82 struct snd_mask *fmt; 83 84 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 85 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); 86 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 87 88 /* The ADSP will convert the FE rate to 48k, stereo */ 89 rate->min = rate->max = 48000; 90 channels->min = channels->max = 2; 91 92 /* set SSP0 to 24 bit */ 93 snd_mask_none(fmt); 94 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 95 96 return 0; 97 } 98 99 static int 100 avs_rt286_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) 101 { 102 struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream); 103 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0); 104 int ret; 105 106 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN); 107 if (ret < 0) 108 dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret); 109 110 return ret; 111 } 112 113 static const struct snd_soc_ops avs_rt286_ops = { 114 .hw_params = avs_rt286_hw_params, 115 }; 116 117 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, 118 int tdm_slot, struct snd_soc_dai_link **dai_link) 119 { 120 struct snd_soc_dai_link_component *platform; 121 struct snd_soc_dai_link *dl; 122 123 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); 124 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); 125 if (!dl || !platform) 126 return -ENOMEM; 127 128 platform->name = platform_name; 129 130 dl->name = devm_kasprintf(dev, GFP_KERNEL, 131 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot)); 132 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); 133 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); 134 if (!dl->name || !dl->cpus || !dl->codecs) 135 return -ENOMEM; 136 137 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 138 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot)); 139 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00"); 140 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT286_CODEC_DAI); 141 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) 142 return -ENOMEM; 143 144 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_CBS_CFS; 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 dl->dpcm_capture = 1; 157 dl->dpcm_playback = 1; 158 159 *dai_link = dl; 160 161 return 0; 162 } 163 164 static int avs_card_suspend_pre(struct snd_soc_card *card) 165 { 166 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI); 167 168 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 169 } 170 171 static int avs_card_resume_post(struct snd_soc_card *card) 172 { 173 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI); 174 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); 175 176 return snd_soc_component_set_jack(codec_dai->component, jack, NULL); 177 } 178 179 static int avs_rt286_probe(struct platform_device *pdev) 180 { 181 struct snd_soc_dai_link *dai_link; 182 struct snd_soc_acpi_mach *mach; 183 struct snd_soc_card *card; 184 struct snd_soc_jack *jack; 185 struct device *dev = &pdev->dev; 186 const char *pname; 187 int ssp_port, tdm_slot, ret; 188 189 mach = dev_get_platdata(dev); 190 pname = mach->mach_params.platform; 191 192 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot); 193 if (ret) 194 return ret; 195 196 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link); 197 198 if (ret) { 199 dev_err(dev, "Failed to create dai link: %d", ret); 200 return ret; 201 } 202 203 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); 204 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 205 if (!jack || !card) 206 return -ENOMEM; 207 208 card->name = "avs_rt286"; 209 card->dev = dev; 210 card->owner = THIS_MODULE; 211 card->suspend_pre = avs_card_suspend_pre; 212 card->resume_post = avs_card_resume_post; 213 card->dai_link = dai_link; 214 card->num_links = 1; 215 card->controls = card_controls; 216 card->num_controls = ARRAY_SIZE(card_controls); 217 card->dapm_widgets = card_widgets; 218 card->num_dapm_widgets = ARRAY_SIZE(card_widgets); 219 card->dapm_routes = card_base_routes; 220 card->num_dapm_routes = ARRAY_SIZE(card_base_routes); 221 card->fully_routed = true; 222 snd_soc_card_set_drvdata(card, jack); 223 224 ret = snd_soc_fixup_dai_links_platform_name(card, pname); 225 if (ret) 226 return ret; 227 228 return devm_snd_soc_register_card(dev, card); 229 } 230 231 static const struct platform_device_id avs_rt286_driver_ids[] = { 232 { 233 .name = "avs_rt286", 234 }, 235 {}, 236 }; 237 MODULE_DEVICE_TABLE(platform, avs_rt286_driver_ids); 238 239 static struct platform_driver avs_rt286_driver = { 240 .probe = avs_rt286_probe, 241 .driver = { 242 .name = "avs_rt286", 243 .pm = &snd_soc_pm_ops, 244 }, 245 .id_table = avs_rt286_driver_ids, 246 }; 247 248 module_platform_driver(avs_rt286_driver); 249 250 MODULE_LICENSE("GPL"); 251