1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2022-2025 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/rt5640.h" 16 #include "../utils.h" 17 18 #define AVS_RT5640_MCLK_HZ 19200000 19 #define RT5640_CODEC_DAI "rt5640-aif1" 20 21 static const struct snd_soc_dapm_widget card_widgets[] = { 22 SND_SOC_DAPM_HP("Headphone Jack", NULL), 23 SND_SOC_DAPM_MIC("Mic Jack", NULL), 24 SND_SOC_DAPM_SPK("Speaker", NULL), 25 }; 26 27 static const struct snd_soc_dapm_route card_routes[] = { 28 { "Headphone Jack", NULL, "HPOR" }, 29 { "Headphone Jack", NULL, "HPOL" }, 30 { "IN2P", NULL, "Mic Jack" }, 31 { "IN2P", NULL, "MICBIAS1" }, 32 { "Speaker", NULL, "SPOLP" }, 33 { "Speaker", NULL, "SPOLN" }, 34 { "Speaker", NULL, "SPORP" }, 35 { "Speaker", NULL, "SPORN" }, 36 }; 37 38 static const struct snd_soc_jack_pin card_headset_pins[] = { 39 { 40 .pin = "Headphone Jack", 41 .mask = SND_JACK_HEADPHONE, 42 }, 43 { 44 .pin = "Mic Jack", 45 .mask = SND_JACK_MICROPHONE, 46 }, 47 }; 48 49 static int avs_rt5640_codec_init(struct snd_soc_pcm_runtime *runtime) 50 { 51 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0); 52 struct snd_soc_card *card = runtime->card; 53 struct snd_soc_jack_pin *pins; 54 struct snd_soc_jack *jack; 55 int num_pins, ret; 56 57 jack = snd_soc_card_get_drvdata(card); 58 num_pins = ARRAY_SIZE(card_headset_pins); 59 60 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); 61 if (!pins) 62 return -ENOMEM; 63 64 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET, jack, pins, 65 num_pins); 66 if (ret) 67 return ret; 68 69 snd_soc_component_set_jack(codec_dai->component, jack, NULL); 70 card->dapm.idle_bias_off = true; 71 72 return 0; 73 } 74 75 static void avs_rt5640_codec_exit(struct snd_soc_pcm_runtime *runtime) 76 { 77 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0); 78 79 snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 80 } 81 82 static int avs_rt5640_be_fixup(struct snd_soc_pcm_runtime *runtime, 83 struct snd_pcm_hw_params *params) 84 { 85 struct snd_mask *fmask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 86 87 /* Format 24/32 is MSB-aligned for HDAudio and LSB-aligned for I2S. */ 88 if (params_format(params) == SNDRV_PCM_FORMAT_S32_LE) 89 snd_mask_set_format(fmask, SNDRV_PCM_FORMAT_S24_LE); 90 91 return 0; 92 } 93 94 static int avs_rt5640_hw_params(struct snd_pcm_substream *substream, 95 struct snd_pcm_hw_params *params) 96 { 97 struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream); 98 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0); 99 int ret; 100 101 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_MCLK, AVS_RT5640_MCLK_HZ, 102 params_rate(params) * 512); 103 if (ret < 0) { 104 dev_err(runtime->dev, "Set codec PLL failed: %d\n", ret); 105 return ret; 106 } 107 108 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1, params_rate(params) * 512, 109 SND_SOC_CLOCK_IN); 110 if (ret < 0) { 111 dev_err(runtime->dev, "Set codec SCLK failed: %d\n", ret); 112 return ret; 113 } 114 115 ret = rt5640_sel_asrc_clk_src(codec_dai->component, 116 RT5640_DA_STEREO_FILTER | RT5640_AD_STEREO_FILTER | 117 RT5640_DA_MONO_L_FILTER | RT5640_DA_MONO_R_FILTER | 118 RT5640_AD_MONO_L_FILTER | RT5640_AD_MONO_R_FILTER, 119 RT5640_CLK_SEL_ASRC); 120 if (ret) 121 dev_err(runtime->dev, "Set codec ASRC failed: %d\n", ret); 122 123 return ret; 124 } 125 126 static const struct snd_soc_ops avs_rt5640_ops = { 127 .hw_params = avs_rt5640_hw_params, 128 }; 129 130 static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot, 131 struct snd_soc_acpi_mach *mach, 132 struct snd_soc_dai_link **dai_link) 133 { 134 struct snd_soc_dai_link_component *platform; 135 struct snd_soc_dai_link *dl; 136 u32 uid = 0; 137 int ret; 138 139 if (mach->uid) { 140 ret = kstrtou32(mach->uid, 0, &uid); 141 if (ret) 142 return ret; 143 uid--; /* 0-based indexing. */ 144 } 145 146 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); 147 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); 148 if (!dl || !platform) 149 return -ENOMEM; 150 151 dl->name = devm_kasprintf(dev, GFP_KERNEL, 152 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot)); 153 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); 154 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); 155 if (!dl->name || !dl->cpus || !dl->codecs) 156 return -ENOMEM; 157 158 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 159 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot)); 160 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5640:0%d", uid); 161 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5640_CODEC_DAI); 162 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) 163 return -ENOMEM; 164 165 platform->name = dev_name(dev); 166 dl->num_cpus = 1; 167 dl->num_codecs = 1; 168 dl->platforms = platform; 169 dl->num_platforms = 1; 170 dl->id = 0; 171 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC; 172 dl->init = avs_rt5640_codec_init; 173 dl->exit = avs_rt5640_codec_exit; 174 dl->be_hw_params_fixup = avs_rt5640_be_fixup; 175 dl->ops = &avs_rt5640_ops; 176 dl->nonatomic = 1; 177 dl->no_pcm = 1; 178 179 *dai_link = dl; 180 181 return 0; 182 } 183 184 static int avs_card_suspend_pre(struct snd_soc_card *card) 185 { 186 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI); 187 188 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 189 } 190 191 static int avs_card_resume_post(struct snd_soc_card *card) 192 { 193 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5640_CODEC_DAI); 194 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); 195 196 return snd_soc_component_set_jack(codec_dai->component, jack, NULL); 197 } 198 199 static int avs_rt5640_probe(struct platform_device *pdev) 200 { 201 struct snd_soc_dai_link *dai_link; 202 struct device *dev = &pdev->dev; 203 struct snd_soc_acpi_mach *mach; 204 struct snd_soc_card *card; 205 struct snd_soc_jack *jack; 206 int ssp_port, tdm_slot, ret; 207 208 mach = dev_get_platdata(dev); 209 210 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot); 211 if (ret) 212 return ret; 213 214 ret = avs_create_dai_link(dev, ssp_port, tdm_slot, mach, &dai_link); 215 if (ret) { 216 dev_err(dev, "Failed to create dai link: %d", ret); 217 return ret; 218 } 219 220 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); 221 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 222 if (!jack || !card) 223 return -ENOMEM; 224 225 if (mach->uid) { 226 card->name = devm_kasprintf(dev, GFP_KERNEL, "AVS I2S ALC5640.%s", mach->uid); 227 if (!card->name) 228 return -ENOMEM; 229 } else { 230 card->name = "AVS I2S ALC5640"; 231 } 232 card->driver_name = "avs_rt5640"; 233 card->long_name = card->name; 234 card->dev = dev; 235 card->owner = THIS_MODULE; 236 card->suspend_pre = avs_card_suspend_pre; 237 card->resume_post = avs_card_resume_post; 238 card->dai_link = dai_link; 239 card->num_links = 1; 240 card->dapm_widgets = card_widgets; 241 card->num_dapm_widgets = ARRAY_SIZE(card_widgets); 242 card->dapm_routes = card_routes; 243 card->num_dapm_routes = ARRAY_SIZE(card_routes); 244 card->fully_routed = true; 245 snd_soc_card_set_drvdata(card, jack); 246 247 return devm_snd_soc_register_deferrable_card(dev, card); 248 } 249 250 static const struct platform_device_id avs_rt5640_driver_ids[] = { 251 { 252 .name = "avs_rt5640", 253 }, 254 {}, 255 }; 256 MODULE_DEVICE_TABLE(platform, avs_rt5640_driver_ids); 257 258 static struct platform_driver avs_rt5640_driver = { 259 .probe = avs_rt5640_probe, 260 .driver = { 261 .name = "avs_rt5640", 262 .pm = &snd_soc_pm_ops, 263 }, 264 .id_table = avs_rt5640_driver_ids, 265 }; 266 267 module_platform_driver(avs_rt5640_driver); 268 269 MODULE_DESCRIPTION("Intel rt5640 machine driver"); 270 MODULE_LICENSE("GPL"); 271