1 // SPDX-License-Identifier: GPL-2.0-only 2 // Copyright (c) 2022 Intel Corporation 3 4 /* 5 * sof_sdw_rt_amp - Helpers to handle RT1308/RT1316/RT1318 from generic machine driver 6 */ 7 8 #include <linux/device.h> 9 #include <linux/errno.h> 10 #include <sound/control.h> 11 #include <sound/soc.h> 12 #include <sound/soc-acpi.h> 13 #include <sound/soc-dapm.h> 14 #include <linux/soundwire/sdw.h> 15 #include <linux/soundwire/sdw_type.h> 16 #include <linux/dmi.h> 17 #include "sof_sdw_common.h" 18 #include "sof_sdw_amp_coeff_tables.h" 19 #include "../../codecs/rt1308.h" 20 21 #define CODEC_NAME_SIZE 7 22 23 /* choose a larger value to resolve compatibility issues */ 24 #define RT_AMP_MAX_BQ_REG RT1316_MAX_BQ_REG 25 26 struct rt_amp_platform_data { 27 const unsigned char *bq_params; 28 const unsigned int bq_params_cnt; 29 }; 30 31 static const struct rt_amp_platform_data dell_0a5d_platform_data = { 32 .bq_params = dell_0a5d_bq_params, 33 .bq_params_cnt = ARRAY_SIZE(dell_0a5d_bq_params), 34 }; 35 36 static const struct rt_amp_platform_data dell_0b00_platform_data = { 37 .bq_params = dell_0b00_bq_params, 38 .bq_params_cnt = ARRAY_SIZE(dell_0b00_bq_params), 39 }; 40 41 static const struct dmi_system_id dmi_platform_data[] = { 42 /* CometLake devices */ 43 { 44 .matches = { 45 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 46 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990") 47 }, 48 .driver_data = (void *)&dell_0a5d_platform_data, 49 }, 50 { 51 .matches = { 52 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 53 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F") 54 }, 55 .driver_data = (void *)&dell_0a5d_platform_data, 56 }, 57 /* TigerLake devices */ 58 { 59 .matches = { 60 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 61 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D") 62 }, 63 .driver_data = (void *)&dell_0a5d_platform_data, 64 }, 65 { 66 .matches = { 67 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 68 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E") 69 }, 70 .driver_data = (void *)&dell_0a5d_platform_data, 71 }, 72 /* AlderLake devices */ 73 { 74 .matches = { 75 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 76 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00") 77 }, 78 .driver_data = (void *)&dell_0b00_platform_data, 79 }, 80 { 81 .matches = { 82 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 83 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01") 84 }, 85 .driver_data = (void *)&dell_0b00_platform_data, 86 }, 87 { 88 .matches = { 89 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 90 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFF") 91 }, 92 .driver_data = (void *)&dell_0b00_platform_data, 93 }, 94 { 95 .matches = { 96 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"), 97 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFE") 98 }, 99 .driver_data = (void *)&dell_0b00_platform_data, 100 }, 101 {}, 102 }; 103 104 static int rt_amp_add_device_props(struct device *sdw_dev) 105 { 106 struct property_entry props[3] = {}; 107 struct fwnode_handle *fwnode; 108 const struct dmi_system_id *dmi_data; 109 const struct rt_amp_platform_data *pdata; 110 unsigned char params[RT_AMP_MAX_BQ_REG]; 111 int ret; 112 113 dmi_data = dmi_first_match(dmi_platform_data); 114 if (!dmi_data) 115 return 0; 116 117 pdata = dmi_data->driver_data; 118 memcpy(¶ms, pdata->bq_params, sizeof(unsigned char) * pdata->bq_params_cnt); 119 120 props[0] = PROPERTY_ENTRY_U8_ARRAY("realtek,bq-params", params); 121 props[1] = PROPERTY_ENTRY_U32("realtek,bq-params-cnt", pdata->bq_params_cnt); 122 123 fwnode = fwnode_create_software_node(props, NULL); 124 if (IS_ERR(fwnode)) 125 return PTR_ERR(fwnode); 126 127 ret = device_add_software_node(sdw_dev, to_software_node(fwnode)); 128 129 fwnode_handle_put(fwnode); 130 131 return ret; 132 } 133 134 static const struct snd_kcontrol_new rt_amp_controls[] = { 135 SOC_DAPM_PIN_SWITCH("Speaker"), 136 }; 137 138 static const struct snd_soc_dapm_widget rt_amp_widgets[] = { 139 SND_SOC_DAPM_SPK("Speaker", NULL), 140 }; 141 142 /* 143 * dapm routes for rt1308/rt1316/rt1318 will be registered dynamically 144 * according to the number of rt1308/rt1316/rt1318 used. The first two 145 * entries will be registered for one codec case, and the last two entries 146 * are also registered if two 1308s/1316s/1318s are used. 147 */ 148 static const struct snd_soc_dapm_route rt1308_map[] = { 149 { "Speaker", NULL, "rt1308-1 SPOL" }, 150 { "Speaker", NULL, "rt1308-1 SPOR" }, 151 { "Speaker", NULL, "rt1308-2 SPOL" }, 152 { "Speaker", NULL, "rt1308-2 SPOR" }, 153 }; 154 155 static const struct snd_soc_dapm_route rt1316_map[] = { 156 { "Speaker", NULL, "rt1316-1 SPOL" }, 157 { "Speaker", NULL, "rt1316-1 SPOR" }, 158 { "Speaker", NULL, "rt1316-2 SPOL" }, 159 { "Speaker", NULL, "rt1316-2 SPOR" }, 160 }; 161 162 static const struct snd_soc_dapm_route rt1318_map[] = { 163 { "Speaker", NULL, "rt1318-1 SPOL" }, 164 { "Speaker", NULL, "rt1318-1 SPOR" }, 165 { "Speaker", NULL, "rt1318-2 SPOL" }, 166 { "Speaker", NULL, "rt1318-2 SPOR" }, 167 }; 168 169 static const struct snd_soc_dapm_route *get_codec_name_and_route(struct snd_soc_pcm_runtime *rtd, 170 char *codec_name) 171 { 172 const char *dai_name; 173 174 dai_name = rtd->dai_link->codecs->dai_name; 175 176 /* get the codec name */ 177 snprintf(codec_name, CODEC_NAME_SIZE, "%s", dai_name); 178 179 /* choose the right codec's map */ 180 if (strcmp(codec_name, "rt1308") == 0) 181 return rt1308_map; 182 else if (strcmp(codec_name, "rt1316") == 0) 183 return rt1316_map; 184 else 185 return rt1318_map; 186 } 187 188 static int first_spk_init(struct snd_soc_pcm_runtime *rtd) 189 { 190 struct snd_soc_card *card = rtd->card; 191 const struct snd_soc_dapm_route *rt_amp_map; 192 char codec_name[CODEC_NAME_SIZE]; 193 int ret; 194 195 rt_amp_map = get_codec_name_and_route(rtd, codec_name); 196 197 card->components = devm_kasprintf(card->dev, GFP_KERNEL, 198 "%s spk:%s", 199 card->components, codec_name); 200 if (!card->components) 201 return -ENOMEM; 202 203 ret = snd_soc_add_card_controls(card, rt_amp_controls, 204 ARRAY_SIZE(rt_amp_controls)); 205 if (ret) { 206 dev_err(card->dev, "%s controls addition failed: %d\n", codec_name, ret); 207 return ret; 208 } 209 210 ret = snd_soc_dapm_new_controls(&card->dapm, rt_amp_widgets, 211 ARRAY_SIZE(rt_amp_widgets)); 212 if (ret) { 213 dev_err(card->dev, "%s widgets addition failed: %d\n", codec_name, ret); 214 return ret; 215 } 216 217 ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map, 2); 218 if (ret) 219 dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret); 220 221 return ret; 222 } 223 224 static int second_spk_init(struct snd_soc_pcm_runtime *rtd) 225 { 226 struct snd_soc_card *card = rtd->card; 227 const struct snd_soc_dapm_route *rt_amp_map; 228 char codec_name[CODEC_NAME_SIZE]; 229 int ret; 230 231 rt_amp_map = get_codec_name_and_route(rtd, codec_name); 232 233 ret = snd_soc_dapm_add_routes(&card->dapm, rt_amp_map + 2, 2); 234 if (ret) 235 dev_err(rtd->dev, "failed to add second SPK map: %d\n", ret); 236 237 return ret; 238 } 239 240 static int all_spk_init(struct snd_soc_pcm_runtime *rtd) 241 { 242 int ret; 243 244 ret = first_spk_init(rtd); 245 if (ret) 246 return ret; 247 248 return second_spk_init(rtd); 249 } 250 251 static int rt1308_i2s_hw_params(struct snd_pcm_substream *substream, 252 struct snd_pcm_hw_params *params) 253 { 254 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 255 struct snd_soc_card *card = rtd->card; 256 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 257 int clk_id, clk_freq, pll_out; 258 int err; 259 260 clk_id = RT1308_PLL_S_MCLK; 261 clk_freq = 38400000; 262 263 pll_out = params_rate(params) * 512; 264 265 /* Set rt1308 pll */ 266 err = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, pll_out); 267 if (err < 0) { 268 dev_err(card->dev, "Failed to set RT1308 PLL: %d\n", err); 269 return err; 270 } 271 272 /* Set rt1308 sysclk */ 273 err = snd_soc_dai_set_sysclk(codec_dai, RT1308_FS_SYS_S_PLL, pll_out, 274 SND_SOC_CLOCK_IN); 275 if (err < 0) { 276 dev_err(card->dev, "Failed to set RT1308 SYSCLK: %d\n", err); 277 return err; 278 } 279 280 return 0; 281 } 282 283 /* machine stream operations */ 284 struct snd_soc_ops sof_sdw_rt1308_i2s_ops = { 285 .hw_params = rt1308_i2s_hw_params, 286 }; 287 288 int sof_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link) 289 { 290 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 291 292 if (ctx->amp_dev1) { 293 device_remove_software_node(ctx->amp_dev1); 294 put_device(ctx->amp_dev1); 295 } 296 297 if (ctx->amp_dev2) { 298 device_remove_software_node(ctx->amp_dev2); 299 put_device(ctx->amp_dev2); 300 } 301 302 return 0; 303 } 304 305 int sof_sdw_rt_amp_init(struct snd_soc_card *card, 306 const struct snd_soc_acpi_link_adr *link, 307 struct snd_soc_dai_link *dai_links, 308 struct sof_sdw_codec_info *info, 309 bool playback) 310 { 311 struct mc_private *ctx = snd_soc_card_get_drvdata(card); 312 struct device *sdw_dev1, *sdw_dev2; 313 int ret; 314 315 /* Count amp number and do init on playback link only. */ 316 if (!playback) 317 return 0; 318 319 info->amp_num++; 320 if (info->amp_num == 1) 321 dai_links->init = first_spk_init; 322 323 if (info->amp_num == 2) { 324 sdw_dev1 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[0].name); 325 if (!sdw_dev1) 326 return -EPROBE_DEFER; 327 328 ret = rt_amp_add_device_props(sdw_dev1); 329 if (ret < 0) { 330 put_device(sdw_dev1); 331 return ret; 332 } 333 ctx->amp_dev1 = sdw_dev1; 334 335 sdw_dev2 = bus_find_device_by_name(&sdw_bus_type, NULL, dai_links->codecs[1].name); 336 if (!sdw_dev2) 337 return -EPROBE_DEFER; 338 339 ret = rt_amp_add_device_props(sdw_dev2); 340 if (ret < 0) { 341 put_device(sdw_dev2); 342 return ret; 343 } 344 ctx->amp_dev2 = sdw_dev2; 345 346 /* 347 * if two amps are in one dai link, the init function 348 * in this dai link will be first set for the first speaker, 349 * and it should be reset to initialize all speakers when 350 * the second speaker is found. 351 */ 352 if (dai_links->init) 353 dai_links->init = all_spk_init; 354 else 355 dai_links->init = second_spk_init; 356 } 357 358 return 0; 359 } 360