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/dmi.h> 10 #include <linux/module.h> 11 #include <sound/jack.h> 12 #include <sound/pcm.h> 13 #include <sound/pcm_params.h> 14 #include <sound/soc.h> 15 #include <sound/soc-acpi.h> 16 #include "../../../codecs/rt298.h" 17 #include "../utils.h" 18 19 #define RT298_CODEC_DAI "rt298-aif1" 20 21 static const struct dmi_system_id kblr_dmi_table[] = { 22 { 23 .matches = { 24 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), 25 DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"), 26 }, 27 }, 28 {} 29 }; 30 31 static const struct snd_kcontrol_new card_controls[] = { 32 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 33 SOC_DAPM_PIN_SWITCH("Mic Jack"), 34 SOC_DAPM_PIN_SWITCH("Speaker"), 35 }; 36 37 static const struct snd_soc_dapm_widget card_widgets[] = { 38 SND_SOC_DAPM_HP("Headphone Jack", NULL), 39 SND_SOC_DAPM_MIC("Mic Jack", NULL), 40 SND_SOC_DAPM_SPK("Speaker", NULL), 41 }; 42 43 static const struct snd_soc_dapm_route card_base_routes[] = { 44 /* HP jack connectors - unknown if we have jack detect */ 45 {"Headphone Jack", NULL, "HPO Pin"}, 46 {"MIC1", NULL, "Mic Jack"}, 47 48 {"Speaker", NULL, "SPOR"}, 49 {"Speaker", NULL, "SPOL"}, 50 }; 51 52 static const struct snd_soc_jack_pin card_headset_pins[] = { 53 { 54 .pin = "Headphone Jack", 55 .mask = SND_JACK_HEADPHONE, 56 }, 57 { 58 .pin = "Mic Jack", 59 .mask = SND_JACK_MICROPHONE, 60 }, 61 }; 62 63 static int avs_rt298_codec_init(struct snd_soc_pcm_runtime *runtime) 64 { 65 struct snd_soc_card *card = runtime->card; 66 struct snd_soc_jack_pin *pins; 67 struct snd_soc_jack *jack; 68 int num_pins, ret; 69 70 jack = snd_soc_card_get_drvdata(card); 71 num_pins = ARRAY_SIZE(card_headset_pins); 72 73 pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins, 74 sizeof(card_headset_pins[0]), GFP_KERNEL); 75 if (!pins) 76 return -ENOMEM; 77 78 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0, 79 jack, pins, num_pins); 80 if (ret) 81 return ret; 82 83 return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL); 84 } 85 86 static void avs_rt298_codec_exit(struct snd_soc_pcm_runtime *rtd) 87 { 88 snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL); 89 } 90 91 static int avs_rt298_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params) 92 { 93 struct snd_interval *rate, *channels; 94 struct snd_mask *fmt; 95 96 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 97 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); 98 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 99 100 /* The ADSP will convert the FE rate to 48k, stereo */ 101 rate->min = rate->max = 48000; 102 channels->min = channels->max = 2; 103 104 /* set SSP0 to 24 bit */ 105 snd_mask_none(fmt); 106 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 107 108 return 0; 109 } 110 111 static int 112 avs_rt298_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) 113 { 114 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); 115 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); 116 unsigned int clk_freq; 117 int ret; 118 119 if (dmi_first_match(kblr_dmi_table)) 120 clk_freq = 24000000; 121 else 122 clk_freq = 19200000; 123 124 ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL, clk_freq, SND_SOC_CLOCK_IN); 125 if (ret < 0) 126 dev_err(rtd->dev, "Set codec sysclk failed: %d\n", ret); 127 128 return ret; 129 } 130 131 static const struct snd_soc_ops avs_rt298_ops = { 132 .hw_params = avs_rt298_hw_params, 133 }; 134 135 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, 136 int tdm_slot, struct snd_soc_dai_link **dai_link) 137 { 138 struct snd_soc_dai_link_component *platform; 139 struct snd_soc_dai_link *dl; 140 141 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); 142 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); 143 if (!dl || !platform) 144 return -ENOMEM; 145 146 platform->name = platform_name; 147 148 dl->name = devm_kasprintf(dev, GFP_KERNEL, 149 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot)); 150 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); 151 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); 152 if (!dl->name || !dl->cpus || !dl->codecs) 153 return -ENOMEM; 154 155 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, 156 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot)); 157 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00"); 158 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT298_CODEC_DAI); 159 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) 160 return -ENOMEM; 161 162 dl->num_cpus = 1; 163 dl->num_codecs = 1; 164 dl->platforms = platform; 165 dl->num_platforms = 1; 166 dl->id = 0; 167 if (dmi_first_match(kblr_dmi_table)) 168 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC; 169 else 170 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC; 171 dl->init = avs_rt298_codec_init; 172 dl->exit = avs_rt298_codec_exit; 173 dl->be_hw_params_fixup = avs_rt298_be_fixup; 174 dl->ops = &avs_rt298_ops; 175 dl->nonatomic = 1; 176 dl->no_pcm = 1; 177 178 *dai_link = dl; 179 180 return 0; 181 } 182 183 static int avs_card_suspend_pre(struct snd_soc_card *card) 184 { 185 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI); 186 187 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 188 } 189 190 static int avs_card_resume_post(struct snd_soc_card *card) 191 { 192 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT298_CODEC_DAI); 193 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); 194 195 return snd_soc_component_set_jack(codec_dai->component, jack, NULL); 196 } 197 198 static int avs_rt298_probe(struct platform_device *pdev) 199 { 200 struct snd_soc_dai_link *dai_link; 201 struct snd_soc_acpi_mach *mach; 202 struct avs_mach_pdata *pdata; 203 struct snd_soc_card *card; 204 struct snd_soc_jack *jack; 205 struct device *dev = &pdev->dev; 206 const char *pname; 207 int ssp_port, tdm_slot, ret; 208 209 mach = dev_get_platdata(dev); 210 pname = mach->mach_params.platform; 211 pdata = mach->pdata; 212 213 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot); 214 if (ret) 215 return ret; 216 217 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link); 218 if (ret) { 219 dev_err(dev, "Failed to create dai link: %d", ret); 220 return ret; 221 } 222 223 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); 224 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 225 if (!jack || !card) 226 return -ENOMEM; 227 228 if (pdata->obsolete_card_names) { 229 card->name = "avs_rt298"; 230 } else { 231 card->driver_name = "avs_rt298"; 232 card->long_name = card->name = "AVS I2S ALC298"; 233 } 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->controls = card_controls; 241 card->num_controls = ARRAY_SIZE(card_controls); 242 card->dapm_widgets = card_widgets; 243 card->num_dapm_widgets = ARRAY_SIZE(card_widgets); 244 card->dapm_routes = card_base_routes; 245 card->num_dapm_routes = ARRAY_SIZE(card_base_routes); 246 card->fully_routed = true; 247 snd_soc_card_set_drvdata(card, jack); 248 249 ret = snd_soc_fixup_dai_links_platform_name(card, pname); 250 if (ret) 251 return ret; 252 253 return devm_snd_soc_register_deferrable_card(dev, card); 254 } 255 256 static const struct platform_device_id avs_rt298_driver_ids[] = { 257 { 258 .name = "avs_rt298", 259 }, 260 {}, 261 }; 262 MODULE_DEVICE_TABLE(platform, avs_rt298_driver_ids); 263 264 static struct platform_driver avs_rt298_driver = { 265 .probe = avs_rt298_probe, 266 .driver = { 267 .name = "avs_rt298", 268 .pm = &snd_soc_pm_ops, 269 }, 270 .id_table = avs_rt298_driver_ids, 271 }; 272 273 module_platform_driver(avs_rt298_driver); 274 275 MODULE_DESCRIPTION("Intel rt298 machine driver"); 276 MODULE_LICENSE("GPL"); 277