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/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 18 static const struct dmi_system_id kblr_dmi_table[] = { 19 { 20 .matches = { 21 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), 22 DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"), 23 }, 24 }, 25 {} 26 }; 27 28 static const struct snd_kcontrol_new card_controls[] = { 29 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 30 SOC_DAPM_PIN_SWITCH("Mic Jack"), 31 SOC_DAPM_PIN_SWITCH("Speaker"), 32 }; 33 34 static const struct snd_soc_dapm_widget card_widgets[] = { 35 SND_SOC_DAPM_HP("Headphone Jack", NULL), 36 SND_SOC_DAPM_MIC("Mic Jack", NULL), 37 SND_SOC_DAPM_SPK("Speaker", NULL), 38 }; 39 40 static const struct snd_soc_dapm_route card_base_routes[] = { 41 /* HP jack connectors - unknown if we have jack detect */ 42 {"Headphone Jack", NULL, "HPO Pin"}, 43 {"MIC1", NULL, "Mic Jack"}, 44 45 {"Speaker", NULL, "SPOR"}, 46 {"Speaker", NULL, "SPOL"}, 47 }; 48 49 static struct snd_soc_jack_pin card_headset_pins[] = { 50 { 51 .pin = "Headphone Jack", 52 .mask = SND_JACK_HEADPHONE, 53 }, 54 { 55 .pin = "Mic Jack", 56 .mask = SND_JACK_MICROPHONE, 57 }, 58 }; 59 60 static int avs_rt298_codec_init(struct snd_soc_pcm_runtime *runtime) 61 { 62 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component; 63 struct snd_soc_jack_pin *pins; 64 struct snd_soc_jack *jack; 65 struct snd_soc_card *card = runtime->card; 66 int num_pins, ret; 67 68 jack = snd_soc_card_get_drvdata(card); 69 num_pins = ARRAY_SIZE(card_headset_pins); 70 71 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL); 72 if (!pins) 73 return -ENOMEM; 74 75 ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, jack, 76 pins, num_pins); 77 if (ret) 78 return ret; 79 80 snd_soc_component_set_jack(component, jack, NULL); 81 82 return 0; 83 } 84 85 static int avs_rt298_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params) 86 { 87 struct snd_interval *rate, *channels; 88 struct snd_mask *fmt; 89 90 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); 91 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); 92 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 93 94 /* The ADSP will convert the FE rate to 48k, stereo */ 95 rate->min = rate->max = 48000; 96 channels->min = channels->max = 2; 97 98 /* set SSP0 to 24 bit */ 99 snd_mask_none(fmt); 100 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 101 102 return 0; 103 } 104 105 static int 106 avs_rt298_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) 107 { 108 struct snd_soc_pcm_runtime *rtd = substream->private_data; 109 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 110 unsigned int clk_freq; 111 int ret; 112 113 if (dmi_first_match(kblr_dmi_table)) 114 clk_freq = 24000000; 115 else 116 clk_freq = 19200000; 117 118 ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL, clk_freq, SND_SOC_CLOCK_IN); 119 if (ret < 0) 120 dev_err(rtd->dev, "Set codec sysclk failed: %d\n", ret); 121 122 return ret; 123 } 124 125 static const struct snd_soc_ops avs_rt298_ops = { 126 .hw_params = avs_rt298_hw_params, 127 }; 128 129 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port, 130 struct snd_soc_dai_link **dai_link) 131 { 132 struct snd_soc_dai_link_component *platform; 133 struct snd_soc_dai_link *dl; 134 135 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL); 136 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); 137 if (!dl || !platform) 138 return -ENOMEM; 139 140 platform->name = platform_name; 141 142 dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port); 143 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL); 144 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL); 145 if (!dl->name || !dl->cpus || !dl->codecs) 146 return -ENOMEM; 147 148 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port); 149 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00"); 150 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, "rt298-aif1"); 151 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name) 152 return -ENOMEM; 153 154 dl->num_cpus = 1; 155 dl->num_codecs = 1; 156 dl->platforms = platform; 157 dl->num_platforms = 1; 158 dl->id = 0; 159 if (dmi_first_match(kblr_dmi_table)) 160 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS; 161 else 162 dl->dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS; 163 dl->init = avs_rt298_codec_init; 164 dl->be_hw_params_fixup = avs_rt298_be_fixup; 165 dl->ops = &avs_rt298_ops; 166 dl->nonatomic = 1; 167 dl->no_pcm = 1; 168 dl->dpcm_capture = 1; 169 dl->dpcm_playback = 1; 170 171 *dai_link = dl; 172 173 return 0; 174 } 175 176 static int avs_create_dapm_routes(struct device *dev, int ssp_port, 177 struct snd_soc_dapm_route **routes, int *num_routes) 178 { 179 struct snd_soc_dapm_route *dr; 180 const int num_base = ARRAY_SIZE(card_base_routes); 181 const int num_dr = num_base + 2; 182 int idx; 183 184 dr = devm_kcalloc(dev, num_dr, sizeof(*dr), GFP_KERNEL); 185 if (!dr) 186 return -ENOMEM; 187 188 memcpy(dr, card_base_routes, num_base * sizeof(*dr)); 189 190 idx = num_base; 191 dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "AIF1 Playback"); 192 dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Tx", ssp_port); 193 if (!dr[idx].sink || !dr[idx].source) 194 return -ENOMEM; 195 196 idx++; 197 dr[idx].sink = devm_kasprintf(dev, GFP_KERNEL, "ssp%d Rx", ssp_port); 198 dr[idx].source = devm_kasprintf(dev, GFP_KERNEL, "AIF1 Capture"); 199 if (!dr[idx].sink || !dr[idx].source) 200 return -ENOMEM; 201 202 *routes = dr; 203 *num_routes = num_dr; 204 205 return 0; 206 } 207 208 static int avs_card_set_jack(struct snd_soc_card *card, struct snd_soc_jack *jack) 209 { 210 struct snd_soc_component *component; 211 212 for_each_card_components(card, component) 213 snd_soc_component_set_jack(component, jack, NULL); 214 return 0; 215 } 216 217 static int avs_card_remove(struct snd_soc_card *card) 218 { 219 return avs_card_set_jack(card, NULL); 220 } 221 222 static int avs_card_suspend_pre(struct snd_soc_card *card) 223 { 224 return avs_card_set_jack(card, NULL); 225 } 226 227 static int avs_card_resume_post(struct snd_soc_card *card) 228 { 229 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card); 230 231 return avs_card_set_jack(card, jack); 232 } 233 234 static int avs_rt298_probe(struct platform_device *pdev) 235 { 236 struct snd_soc_dapm_route *routes; 237 struct snd_soc_dai_link *dai_link; 238 struct snd_soc_acpi_mach *mach; 239 struct snd_soc_card *card; 240 struct snd_soc_jack *jack; 241 struct device *dev = &pdev->dev; 242 const char *pname; 243 int num_routes, ssp_port, ret; 244 245 mach = dev_get_platdata(dev); 246 pname = mach->mach_params.platform; 247 ssp_port = __ffs(mach->mach_params.i2s_link_mask); 248 249 ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link); 250 if (ret) { 251 dev_err(dev, "Failed to create dai link: %d", ret); 252 return ret; 253 } 254 255 ret = avs_create_dapm_routes(dev, ssp_port, &routes, &num_routes); 256 if (ret) { 257 dev_err(dev, "Failed to create dapm routes: %d", ret); 258 return ret; 259 } 260 261 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL); 262 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); 263 if (!jack || !card) 264 return -ENOMEM; 265 266 card->name = "avs_rt298"; 267 card->dev = dev; 268 card->owner = THIS_MODULE; 269 card->remove = avs_card_remove; 270 card->suspend_pre = avs_card_suspend_pre; 271 card->resume_post = avs_card_resume_post; 272 card->dai_link = dai_link; 273 card->num_links = 1; 274 card->controls = card_controls; 275 card->num_controls = ARRAY_SIZE(card_controls); 276 card->dapm_widgets = card_widgets; 277 card->num_dapm_widgets = ARRAY_SIZE(card_widgets); 278 card->dapm_routes = routes; 279 card->num_dapm_routes = num_routes; 280 card->fully_routed = true; 281 snd_soc_card_set_drvdata(card, jack); 282 283 ret = snd_soc_fixup_dai_links_platform_name(card, pname); 284 if (ret) 285 return ret; 286 287 return devm_snd_soc_register_card(dev, card); 288 } 289 290 static struct platform_driver avs_rt298_driver = { 291 .probe = avs_rt298_probe, 292 .driver = { 293 .name = "avs_rt298", 294 .pm = &snd_soc_pm_ops, 295 }, 296 }; 297 298 module_platform_driver(avs_rt298_driver); 299 300 MODULE_LICENSE("GPL"); 301 MODULE_ALIAS("platform:avs_rt298"); 302