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/clk.h> 10 #include <linux/dmi.h> 11 #include <linux/i2c.h> 12 #include <linux/input.h> 13 #include <linux/module.h> 14 #include <linux/platform_device.h> 15 #include <sound/core.h> 16 #include <sound/jack.h> 17 #include <sound/pcm.h> 18 #include <sound/pcm_params.h> 19 #include <sound/rt5682.h> 20 #include <sound/soc.h> 21 #include <sound/soc-acpi.h> 22 #include "../../common/soc-intel-quirks.h" 23 #include "../../../codecs/rt5682.h" 24 25 #define AVS_RT5682_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0)) 26 #define AVS_RT5682_SSP_CODEC_MASK (GENMASK(2, 0)) 27 #define AVS_RT5682_MCLK_EN BIT(3) 28 #define AVS_RT5682_MCLK_24MHZ BIT(4) 29 #define AVS_RT5682_CODEC_DAI_NAME "rt5682-aif1" 30 31 /* Default: MCLK on, MCLK 19.2M, SSP0 */ 32 static unsigned long avs_rt5682_quirk = AVS_RT5682_MCLK_EN | AVS_RT5682_SSP_CODEC(0); 33 34 static int avs_rt5682_quirk_cb(const struct dmi_system_id *id) 35 { 36 avs_rt5682_quirk = (unsigned long)id->driver_data; 37 return 1; 38 } 39 40 static const struct dmi_system_id avs_rt5682_quirk_table[] = { 41 { 42 .callback = avs_rt5682_quirk_cb, 43 .matches = { 44 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), 45 DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"), 46 }, 47 .driver_data = (void *)(AVS_RT5682_MCLK_EN | 48 AVS_RT5682_MCLK_24MHZ | 49 AVS_RT5682_SSP_CODEC(1)), 50 }, 51 { 52 .callback = avs_rt5682_quirk_cb, 53 .matches = { 54 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), 55 DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"), 56 }, 57 .driver_data = (void *)(AVS_RT5682_MCLK_EN | 58 AVS_RT5682_SSP_CODEC(0)), 59 }, 60 {} 61 }; 62 63 static const struct snd_kcontrol_new card_controls[] = { 64 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 65 SOC_DAPM_PIN_SWITCH("Headset Mic"), 66 }; 67 68 static const struct snd_soc_dapm_widget card_widgets[] = { 69 SND_SOC_DAPM_HP("Headphone Jack", NULL), 70 SND_SOC_DAPM_MIC("Headset Mic", NULL), 71 }; 72 73 static const struct snd_soc_dapm_route card_base_routes[] = { 74 /* HP jack connectors - unknown if we have jack detect */ 75 { "Headphone Jack", NULL, "HPOL" }, 76 { "Headphone Jack", NULL, "HPOR" }, 77 78 /* other jacks */ 79 { "IN1P", NULL, "Headset Mic" }, 80 }; 81 82 static struct snd_soc_jack_pin card_jack_pins[] = { 83 { 84 .pin = "Headphone Jack", 85 .mask = SND_JACK_HEADPHONE, 86 }, 87 { 88 .pin = "Headset Mic", 89 .mask = SND_JACK_MICROPHONE, 90 }, 91 }; 92 93 static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime) 94 { 95 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; 96 struct snd_soc_card *card = runtime->card; 97 struct snd_soc_jack_pin *pins; 98 struct snd_soc_jack *jack; 99 int num_pins, ret; 100 101 jack = snd_soc_card_get_drvdata(card); 102 num_pins = ARRAY_SIZE(card_jack_pins); 103 104 pins = devm_kmemdup(card->dev, card_jack_pins, sizeof(*pins) * num_pins, GFP_KERNEL); 105 if (!pins) 106 return -ENOMEM; 107 108 /* Need to enable ASRC function for 24MHz mclk rate */ 109 if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) && 110 (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) { 111 rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER | 112 RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC); 113 } 114 115 116 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | 117 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack, 118 pins, num_pins); 119 if (ret) { 120 dev_err(card->dev, "Headset Jack creation failed: %d\n", ret); 121 return ret; 122 } 123 124 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 125 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 126 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 127 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 128 129 ret = snd_soc_component_set_jack(component, jack, NULL); 130 if (ret) { 131 dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret); 132 return ret; 133 } 134 135 return 0; 136 }; 137 138 static void avs_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd) 139 { 140 snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component, NULL, NULL); 141 } 142 143 static int 144 avs_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) 145 { 146 struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream); 147 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0); 148 int pll_source, freq_in, freq_out; 149 int ret; 150 151 if (avs_rt5682_quirk & AVS_RT5682_MCLK_EN) { 152 pll_source = RT5682_PLL1_S_MCLK; 153 if (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ) 154 freq_in = 24000000; 155 else 156 freq_in = 19200000; 157 } else { 158 pll_source = RT5682_PLL1_S_BCLK1; 159 freq_in = params_rate(params) * 50; 160 } 161 162 freq_out = params_rate(params) * 512; 163 164 ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL1, pll_source, freq_in, freq_out); 165 if (ret < 0) 166 dev_err(runtime->dev, "Set PLL failed: %d\n", ret); 167 168 ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, freq_out, SND_SOC_CLOCK_IN); 169 if (ret < 0) 170 dev_err(runtime->dev, "Set sysclk failed: %d\n", ret); 171 172 /* slot_width should be equal or larger than data length. */ 173 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params)); 174 if (ret < 0) 175 dev_err(runtime->dev, "Set TDM slot failed: %d\n", ret); 176 177 return ret; 178 } 179 180 static const struct snd_soc_ops avs_rt5682_ops = { 181 .hw_params = avs_rt5682_hw_params, 182 }; 183 184 static int 185 avs_rt5682_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params) 186 { 187 struct snd_interval *rate, *channels; 188 struct snd_mask *fmt; 189 190 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 191 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); 192 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 193 194 /* The ADSP will convert the FE rate to 48k, stereo */ 195 rate->min = rate->max = 48000; 196 channels->min = channels->max = 2; 197 198 /* set SSPN to 24 bit */ 199 snd_mask_none(fmt); 200 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 201 202 return 0; 203 } 204 205 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, 206 struct snd_soc_dai_link **dai_link) 207 { 208 struct snd_soc_dai_link_component *platform; 209 struct snd_soc_dai_link *dl; 210 211 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); 212 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); 213 if (!dl || !platform) 214 return -ENOMEM; 215 216 platform->name = platform_name; 217 218 dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port); 219 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); 220 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); 221 if (!dl->name || !dl->cpus || !dl->codecs) 222 return -ENOMEM; 223 224 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port); 225 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5682:00"); 226 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, AVS_RT5682_CODEC_DAI_NAME); 227 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) 228 return -ENOMEM; 229 230 dl->num_cpus = 1; 231 dl->num_codecs = 1; 232 dl->platforms = platform; 233 dl->num_platforms = 1; 234 dl->id = 0; 235 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC; 236 dl->init = avs_rt5682_codec_init; 237 dl->exit = avs_rt5682_codec_exit; 238 dl->be_hw_params_fixup = avs_rt5682_be_fixup; 239 dl->ops = &avs_rt5682_ops; 240 dl->nonatomic = 1; 241 dl->no_pcm = 1; 242 dl->dpcm_capture = 1; 243 dl->dpcm_playback = 1; 244 245 *dai_link = dl; 246 247 return 0; 248 } 249 250 static int avs_card_suspend_pre(struct snd_soc_card *card) 251 { 252 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME); 253 254 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 255 } 256 257 static int avs_card_resume_post(struct snd_soc_card *card) 258 { 259 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME); 260 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); 261 262 return snd_soc_component_set_jack(codec_dai->component, jack, NULL); 263 } 264 265 static int avs_rt5682_probe(struct platform_device *pdev) 266 { 267 struct snd_soc_dai_link *dai_link; 268 struct snd_soc_acpi_mach *mach; 269 struct snd_soc_card *card; 270 struct snd_soc_jack *jack; 271 struct device *dev = &pdev->dev; 272 const char *pname; 273 int ssp_port, ret; 274 275 if (pdev->id_entry && pdev->id_entry->driver_data) 276 avs_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data; 277 278 dmi_check_system(avs_rt5682_quirk_table); 279 dev_dbg(dev, "avs_rt5682_quirk = %lx\n", avs_rt5682_quirk); 280 281 mach = dev_get_platdata(dev); 282 pname = mach->mach_params.platform; 283 ssp_port = __ffs(mach->mach_params.i2s_link_mask); 284 285 ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link); 286 if (ret) { 287 dev_err(dev, "Failed to create dai link: %d", ret); 288 return ret; 289 } 290 291 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); 292 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 293 if (!jack || !card) 294 return -ENOMEM; 295 296 card->name = "avs_rt5682"; 297 card->dev = dev; 298 card->owner = THIS_MODULE; 299 card->suspend_pre = avs_card_suspend_pre; 300 card->resume_post = avs_card_resume_post; 301 card->dai_link = dai_link; 302 card->num_links = 1; 303 card->controls = card_controls; 304 card->num_controls = ARRAY_SIZE(card_controls); 305 card->dapm_widgets = card_widgets; 306 card->num_dapm_widgets = ARRAY_SIZE(card_widgets); 307 card->dapm_routes = card_base_routes; 308 card->num_dapm_routes = ARRAY_SIZE(card_base_routes); 309 card->fully_routed = true; 310 snd_soc_card_set_drvdata(card, jack); 311 312 ret = snd_soc_fixup_dai_links_platform_name(card, pname); 313 if (ret) 314 return ret; 315 316 return devm_snd_soc_register_card(dev, card); 317 } 318 319 static struct platform_driver avs_rt5682_driver = { 320 .probe = avs_rt5682_probe, 321 .driver = { 322 .name = "avs_rt5682", 323 .pm = &snd_soc_pm_ops, 324 }, 325 }; 326 327 module_platform_driver(avs_rt5682_driver) 328 329 MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>"); 330 MODULE_LICENSE("GPL"); 331 MODULE_ALIAS("platform:avs_rt5682"); 332