1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) 2 // Copyright(c) 2024 Intel Corporation 3 4 /* 5 * The MIPI SDCA specification is available for public downloads at 6 * https://www.mipi.org/mipi-sdca-v1-0-download 7 */ 8 9 #include <linux/acpi.h> 10 #include <linux/byteorder/generic.h> 11 #include <linux/cleanup.h> 12 #include <linux/device.h> 13 #include <linux/dev_printk.h> 14 #include <linux/module.h> 15 #include <linux/property.h> 16 #include <linux/soundwire/sdw.h> 17 #include <linux/string.h> 18 #include <linux/types.h> 19 #include <sound/sdca.h> 20 #include <sound/sdca_function.h> 21 #include <sound/sdca_hid.h> 22 23 /* 24 * Should be long enough to encompass all the MIPI DisCo properties. 25 */ 26 #define SDCA_PROPERTY_LENGTH 64 27 28 static int patch_sdca_function_type(u32 interface_revision, u32 *function_type) 29 { 30 /* 31 * Unfortunately early SDCA specifications used different indices for Functions, 32 * for backwards compatibility we have to reorder the values found. 33 */ 34 if (interface_revision < 0x0801) { 35 switch (*function_type) { 36 case 1: 37 *function_type = SDCA_FUNCTION_TYPE_SMART_AMP; 38 break; 39 case 2: 40 *function_type = SDCA_FUNCTION_TYPE_SMART_MIC; 41 break; 42 case 3: 43 *function_type = SDCA_FUNCTION_TYPE_SPEAKER_MIC; 44 break; 45 case 4: 46 *function_type = SDCA_FUNCTION_TYPE_UAJ; 47 break; 48 case 5: 49 *function_type = SDCA_FUNCTION_TYPE_RJ; 50 break; 51 case 6: 52 *function_type = SDCA_FUNCTION_TYPE_HID; 53 break; 54 default: 55 return -EINVAL; 56 } 57 } 58 59 return 0; 60 } 61 62 static const char *get_sdca_function_name(u32 function_type) 63 { 64 switch (function_type) { 65 case SDCA_FUNCTION_TYPE_SMART_AMP: 66 return SDCA_FUNCTION_TYPE_SMART_AMP_NAME; 67 case SDCA_FUNCTION_TYPE_SMART_MIC: 68 return SDCA_FUNCTION_TYPE_SMART_MIC_NAME; 69 case SDCA_FUNCTION_TYPE_UAJ: 70 return SDCA_FUNCTION_TYPE_UAJ_NAME; 71 case SDCA_FUNCTION_TYPE_HID: 72 return SDCA_FUNCTION_TYPE_HID_NAME; 73 case SDCA_FUNCTION_TYPE_SIMPLE_AMP: 74 return SDCA_FUNCTION_TYPE_SIMPLE_AMP_NAME; 75 case SDCA_FUNCTION_TYPE_SIMPLE_MIC: 76 return SDCA_FUNCTION_TYPE_SIMPLE_MIC_NAME; 77 case SDCA_FUNCTION_TYPE_SPEAKER_MIC: 78 return SDCA_FUNCTION_TYPE_SPEAKER_MIC_NAME; 79 case SDCA_FUNCTION_TYPE_RJ: 80 return SDCA_FUNCTION_TYPE_RJ_NAME; 81 case SDCA_FUNCTION_TYPE_COMPANION_AMP: 82 return SDCA_FUNCTION_TYPE_COMPANION_AMP_NAME; 83 case SDCA_FUNCTION_TYPE_IMP_DEF: 84 return SDCA_FUNCTION_TYPE_IMP_DEF_NAME; 85 default: 86 return NULL; 87 } 88 } 89 90 static int find_sdca_function(struct acpi_device *adev, void *data) 91 { 92 struct fwnode_handle *function_node = acpi_fwnode_handle(adev); 93 struct sdca_device_data *sdca_data = data; 94 struct sdw_slave *slave = container_of(sdca_data, struct sdw_slave, sdca_data); 95 struct device *dev = &adev->dev; 96 struct fwnode_handle *control5; /* used to identify function type */ 97 const char *function_name; 98 u32 function_type; 99 int function_index; 100 u64 addr; 101 int ret; 102 103 if (sdca_data->num_functions >= SDCA_MAX_FUNCTION_COUNT) { 104 dev_err(dev, "maximum number of functions exceeded\n"); 105 return -EINVAL; 106 } 107 108 ret = acpi_get_local_u64_address(adev->handle, &addr); 109 if (ret < 0) 110 return ret; 111 112 if (!addr || addr > 0x7) { 113 dev_err(dev, "invalid addr: 0x%llx\n", addr); 114 return -ENODEV; 115 } 116 117 /* 118 * Extracting the topology type for an SDCA function is a 119 * convoluted process. 120 * The Function type is only visible as a result of a read 121 * from a control. In theory this would mean reading from the hardware, 122 * but the SDCA/DisCo specs defined the notion of "DC value" - a constant 123 * represented with a DSD subproperty. 124 * Drivers have to query the properties for the control 125 * SDCA_CONTROL_ENTITY_0_FUNCTION_TOPOLOGY (0x05) 126 */ 127 control5 = fwnode_get_named_child_node(function_node, 128 "mipi-sdca-control-0x5-subproperties"); 129 if (!control5) 130 return -ENODEV; 131 132 ret = fwnode_property_read_u32(control5, "mipi-sdca-control-dc-value", 133 &function_type); 134 135 fwnode_handle_put(control5); 136 137 if (ret < 0) { 138 dev_err(dev, "function type only supported as DisCo constant\n"); 139 return ret; 140 } 141 142 if (!sdca_device_quirk_match(slave, SDCA_QUIRKS_SKIP_FUNC_TYPE_PATCHING)) { 143 ret = patch_sdca_function_type(sdca_data->interface_revision, &function_type); 144 if (ret < 0) { 145 dev_err(dev, "SDCA version %#x invalid function type %d\n", 146 sdca_data->interface_revision, function_type); 147 return ret; 148 } 149 } 150 151 function_name = get_sdca_function_name(function_type); 152 if (!function_name) { 153 dev_err(dev, "invalid SDCA function type %d\n", function_type); 154 return -EINVAL; 155 } 156 157 dev_info(dev, "SDCA function %s (type %d) at 0x%llx\n", 158 function_name, function_type, addr); 159 160 /* store results */ 161 function_index = sdca_data->num_functions; 162 sdca_data->function[function_index].adr = addr; 163 sdca_data->function[function_index].type = function_type; 164 sdca_data->function[function_index].name = function_name; 165 sdca_data->function[function_index].node = function_node; 166 sdca_data->num_functions++; 167 168 return 0; 169 } 170 171 /** 172 * sdca_lookup_functions - Parse sdca_device_desc for each Function 173 * @slave: SoundWire slave device to be processed. 174 * 175 * Iterate through the available SDCA Functions and fill in a short 176 * descriptor (struct sdca_function_desc) for each function, this 177 * information is stored along with the SoundWire slave device and 178 * used for adding drivers and quirks before the devices have fully 179 * probed. 180 */ 181 void sdca_lookup_functions(struct sdw_slave *slave) 182 { 183 struct device *sdev = &slave->dev; 184 struct acpi_device *adev = to_acpi_device_node(sdev->fwnode); 185 186 if (!adev) { 187 dev_info(sdev, "no matching ACPI device found, ignoring peripheral\n"); 188 return; 189 } 190 191 acpi_dev_for_each_child(adev, find_sdca_function, &slave->sdca_data); 192 } 193 EXPORT_SYMBOL_NS(sdca_lookup_functions, "SND_SOC_SDCA"); 194 195 struct raw_init_write { 196 __le32 addr; 197 u8 val; 198 } __packed; 199 200 static int find_sdca_init_table(struct device *dev, 201 struct fwnode_handle *function_node, 202 struct sdca_function_data *function) 203 { 204 struct raw_init_write *raw __free(kfree) = NULL; 205 struct sdca_init_write *init_write; 206 int i, num_init_writes; 207 208 num_init_writes = fwnode_property_count_u8(function_node, 209 "mipi-sdca-function-initialization-table"); 210 if (!num_init_writes || num_init_writes == -EINVAL) { 211 return 0; 212 } else if (num_init_writes < 0) { 213 dev_err(dev, "%pfwP: failed to read initialization table: %d\n", 214 function_node, num_init_writes); 215 return num_init_writes; 216 } else if (num_init_writes % sizeof(*raw) != 0) { 217 dev_err(dev, "%pfwP: init table size invalid\n", function_node); 218 return -EINVAL; 219 } 220 221 raw = kzalloc(num_init_writes, GFP_KERNEL); 222 if (!raw) 223 return -ENOMEM; 224 225 fwnode_property_read_u8_array(function_node, 226 "mipi-sdca-function-initialization-table", 227 (u8 *)raw, num_init_writes); 228 229 num_init_writes /= sizeof(*raw); 230 231 init_write = devm_kcalloc(dev, num_init_writes, sizeof(*init_write), GFP_KERNEL); 232 if (!init_write) 233 return -ENOMEM; 234 235 for (i = 0; i < num_init_writes; i++) { 236 init_write[i].addr = le32_to_cpu(raw[i].addr); 237 init_write[i].val = raw[i].val; 238 } 239 240 function->num_init_table = num_init_writes; 241 function->init_table = init_write; 242 243 return 0; 244 } 245 246 static const char *find_sdca_control_label(struct device *dev, 247 const struct sdca_entity *entity, 248 const struct sdca_control *control) 249 { 250 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 251 case SDCA_CTL_TYPE_S(IT, MIC_BIAS): 252 return SDCA_CTL_MIC_BIAS_NAME; 253 case SDCA_CTL_TYPE_S(IT, USAGE): 254 case SDCA_CTL_TYPE_S(OT, USAGE): 255 return SDCA_CTL_USAGE_NAME; 256 case SDCA_CTL_TYPE_S(IT, LATENCY): 257 case SDCA_CTL_TYPE_S(OT, LATENCY): 258 case SDCA_CTL_TYPE_S(MU, LATENCY): 259 case SDCA_CTL_TYPE_S(SU, LATENCY): 260 case SDCA_CTL_TYPE_S(FU, LATENCY): 261 case SDCA_CTL_TYPE_S(XU, LATENCY): 262 case SDCA_CTL_TYPE_S(CRU, LATENCY): 263 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 264 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 265 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 266 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 267 case SDCA_CTL_TYPE_S(PPU, LATENCY): 268 return SDCA_CTL_LATENCY_NAME; 269 case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): 270 case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): 271 case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): 272 case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): 273 return SDCA_CTL_CLUSTERINDEX_NAME; 274 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 275 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 276 return SDCA_CTL_DATAPORT_SELECTOR_NAME; 277 case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): 278 case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): 279 case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): 280 return SDCA_CTL_MATCHING_GUID_NAME; 281 case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): 282 case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): 283 return SDCA_CTL_KEEP_ALIVE_NAME; 284 case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): 285 case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): 286 return SDCA_CTL_NDAI_STREAM_NAME; 287 case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): 288 case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): 289 return SDCA_CTL_NDAI_CATEGORY_NAME; 290 case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): 291 case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): 292 return SDCA_CTL_NDAI_CODINGTYPE_NAME; 293 case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): 294 case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): 295 return SDCA_CTL_NDAI_PACKETTYPE_NAME; 296 case SDCA_CTL_TYPE_S(MU, MIXER): 297 return SDCA_CTL_MIXER_NAME; 298 case SDCA_CTL_TYPE_S(SU, SELECTOR): 299 return SDCA_CTL_SELECTOR_NAME; 300 case SDCA_CTL_TYPE_S(FU, MUTE): 301 return SDCA_CTL_MUTE_NAME; 302 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 303 return SDCA_CTL_CHANNEL_VOLUME_NAME; 304 case SDCA_CTL_TYPE_S(FU, AGC): 305 return SDCA_CTL_AGC_NAME; 306 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 307 return SDCA_CTL_BASS_BOOST_NAME; 308 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 309 return SDCA_CTL_LOUDNESS_NAME; 310 case SDCA_CTL_TYPE_S(FU, GAIN): 311 return SDCA_CTL_GAIN_NAME; 312 case SDCA_CTL_TYPE_S(XU, BYPASS): 313 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 314 return SDCA_CTL_BYPASS_NAME; 315 case SDCA_CTL_TYPE_S(XU, XU_ID): 316 return SDCA_CTL_XU_ID_NAME; 317 case SDCA_CTL_TYPE_S(XU, XU_VERSION): 318 return SDCA_CTL_XU_VERSION_NAME; 319 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 320 return SDCA_CTL_FDL_CURRENTOWNER_NAME; 321 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 322 return SDCA_CTL_FDL_MESSAGEOFFSET_NAME; 323 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 324 return SDCA_CTL_FDL_MESSAGELENGTH_NAME; 325 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 326 return SDCA_CTL_FDL_STATUS_NAME; 327 case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): 328 return SDCA_CTL_FDL_SET_INDEX_NAME; 329 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 330 return SDCA_CTL_FDL_HOST_REQUEST_NAME; 331 case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): 332 return SDCA_CTL_CLOCK_VALID_NAME; 333 case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): 334 return SDCA_CTL_SAMPLERATEINDEX_NAME; 335 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 336 return SDCA_CTL_CLOCK_SELECT_NAME; 337 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 338 return SDCA_CTL_REQUESTED_PS_NAME; 339 case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): 340 return SDCA_CTL_ACTUAL_PS_NAME; 341 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 342 return SDCA_CTL_SELECTED_MODE_NAME; 343 case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): 344 return SDCA_CTL_DETECTED_MODE_NAME; 345 case SDCA_CTL_TYPE_S(SPE, PRIVATE): 346 return SDCA_CTL_PRIVATE_NAME; 347 case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): 348 return SDCA_CTL_PRIVACY_POLICY_NAME; 349 case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): 350 return SDCA_CTL_PRIVACY_LOCKSTATE_NAME; 351 case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): 352 return SDCA_CTL_PRIVACY_OWNER_NAME; 353 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 354 return SDCA_CTL_AUTHTX_CURRENTOWNER_NAME; 355 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 356 return SDCA_CTL_AUTHTX_MESSAGEOFFSET_NAME; 357 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 358 return SDCA_CTL_AUTHTX_MESSAGELENGTH_NAME; 359 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 360 return SDCA_CTL_AUTHRX_CURRENTOWNER_NAME; 361 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 362 return SDCA_CTL_AUTHRX_MESSAGEOFFSET_NAME; 363 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 364 return SDCA_CTL_AUTHRX_MESSAGELENGTH_NAME; 365 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 366 return SDCA_CTL_ACOUSTIC_ENERGY_LEVEL_MONITOR_NAME; 367 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 368 return SDCA_CTL_ULTRASOUND_LOOP_GAIN_NAME; 369 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): 370 return SDCA_CTL_OPAQUESET_0_NAME; 371 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): 372 return SDCA_CTL_OPAQUESET_1_NAME; 373 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): 374 return SDCA_CTL_OPAQUESET_2_NAME; 375 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): 376 return SDCA_CTL_OPAQUESET_3_NAME; 377 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): 378 return SDCA_CTL_OPAQUESET_4_NAME; 379 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): 380 return SDCA_CTL_OPAQUESET_5_NAME; 381 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): 382 return SDCA_CTL_OPAQUESET_6_NAME; 383 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): 384 return SDCA_CTL_OPAQUESET_7_NAME; 385 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): 386 return SDCA_CTL_OPAQUESET_8_NAME; 387 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): 388 return SDCA_CTL_OPAQUESET_9_NAME; 389 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): 390 return SDCA_CTL_OPAQUESET_10_NAME; 391 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): 392 return SDCA_CTL_OPAQUESET_11_NAME; 393 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): 394 return SDCA_CTL_OPAQUESET_12_NAME; 395 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): 396 return SDCA_CTL_OPAQUESET_13_NAME; 397 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): 398 return SDCA_CTL_OPAQUESET_14_NAME; 399 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): 400 return SDCA_CTL_OPAQUESET_15_NAME; 401 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): 402 return SDCA_CTL_OPAQUESET_16_NAME; 403 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): 404 return SDCA_CTL_OPAQUESET_17_NAME; 405 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): 406 return SDCA_CTL_OPAQUESET_18_NAME; 407 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): 408 return SDCA_CTL_OPAQUESET_19_NAME; 409 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): 410 return SDCA_CTL_OPAQUESET_20_NAME; 411 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): 412 return SDCA_CTL_OPAQUESET_21_NAME; 413 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): 414 return SDCA_CTL_OPAQUESET_22_NAME; 415 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): 416 return SDCA_CTL_OPAQUESET_23_NAME; 417 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): 418 return SDCA_CTL_ALGORITHM_READY_NAME; 419 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): 420 return SDCA_CTL_ALGORITHM_ENABLE_NAME; 421 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): 422 return SDCA_CTL_ALGORITHM_PREPARE_NAME; 423 case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): 424 return SDCA_CTL_CENTER_FREQUENCY_INDEX_NAME; 425 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 426 return SDCA_CTL_ULTRASOUND_LEVEL_NAME; 427 case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): 428 return SDCA_CTL_AE_NUMBER_NAME; 429 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 430 return SDCA_CTL_AE_CURRENTOWNER_NAME; 431 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 432 return SDCA_CTL_AE_MESSAGEOFFSET_NAME; 433 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 434 return SDCA_CTL_AE_MESSAGELENGTH_NAME; 435 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 436 return SDCA_CTL_TRIGGER_ENABLE_NAME; 437 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): 438 return SDCA_CTL_TRIGGER_STATUS_NAME; 439 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): 440 return SDCA_CTL_HIST_BUFFER_MODE_NAME; 441 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): 442 return SDCA_CTL_HIST_BUFFER_PREAMBLE_NAME; 443 case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): 444 return SDCA_CTL_HIST_ERROR_NAME; 445 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_EXTENSION): 446 return SDCA_CTL_TRIGGER_EXTENSION_NAME; 447 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): 448 return SDCA_CTL_TRIGGER_READY_NAME; 449 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 450 return SDCA_CTL_HIST_CURRENTOWNER_NAME; 451 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 452 return SDCA_CTL_HIST_MESSAGEOFFSET_NAME; 453 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 454 return SDCA_CTL_HIST_MESSAGELENGTH_NAME; 455 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 456 return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; 457 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 458 return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; 459 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 460 return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; 461 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 462 return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; 463 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 464 return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; 465 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 466 return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; 467 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): 468 return SDCA_CTL_PROTECTION_MODE_NAME; 469 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): 470 return SDCA_CTL_PROTECTION_STATUS_NAME; 471 case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): 472 return SDCA_CTL_OPAQUESETREQ_INDEX_NAME; 473 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 474 return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; 475 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 476 return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; 477 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 478 return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; 479 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 480 return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; 481 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 482 return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; 483 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 484 return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; 485 case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): 486 return SDCA_CTL_POSTURENUMBER_NAME; 487 case SDCA_CTL_TYPE_S(PPU, POSTUREEXTENSION): 488 return SDCA_CTL_POSTUREEXTENSION_NAME; 489 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 490 return SDCA_CTL_HORIZONTALBALANCE_NAME; 491 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 492 return SDCA_CTL_VERTICALBALANCE_NAME; 493 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 494 return SDCA_CTL_TONE_DIVIDER_NAME; 495 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 496 return SDCA_CTL_HIDTX_CURRENTOWNER_NAME; 497 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 498 return SDCA_CTL_HIDTX_MESSAGEOFFSET_NAME; 499 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 500 return SDCA_CTL_HIDTX_MESSAGELENGTH_NAME; 501 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 502 return SDCA_CTL_HIDRX_CURRENTOWNER_NAME; 503 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 504 return SDCA_CTL_HIDRX_MESSAGEOFFSET_NAME; 505 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 506 return SDCA_CTL_HIDRX_MESSAGELENGTH_NAME; 507 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 508 return SDCA_CTL_COMMIT_GROUP_MASK_NAME; 509 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): 510 return SDCA_CTL_FUNCTION_SDCA_VERSION_NAME; 511 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): 512 return SDCA_CTL_FUNCTION_TYPE_NAME; 513 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 514 return SDCA_CTL_FUNCTION_MANUFACTURER_ID_NAME; 515 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 516 return SDCA_CTL_FUNCTION_ID_NAME; 517 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): 518 return SDCA_CTL_FUNCTION_VERSION_NAME; 519 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 520 return SDCA_CTL_FUNCTION_EXTENSION_ID_NAME; 521 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): 522 return SDCA_CTL_FUNCTION_EXTENSION_VERSION_NAME; 523 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): 524 return SDCA_CTL_FUNCTION_STATUS_NAME; 525 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): 526 return SDCA_CTL_FUNCTION_ACTION_NAME; 527 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 528 return SDCA_CTL_DEVICE_MANUFACTURER_ID_NAME; 529 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 530 return SDCA_CTL_DEVICE_PART_ID_NAME; 531 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): 532 return SDCA_CTL_DEVICE_VERSION_NAME; 533 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): 534 return SDCA_CTL_DEVICE_SDCA_VERSION_NAME; 535 default: 536 return devm_kasprintf(dev, GFP_KERNEL, "Imp-Def %#x", control->sel); 537 } 538 } 539 540 static unsigned int find_sdca_control_bits(const struct sdca_entity *entity, 541 const struct sdca_control *control) 542 { 543 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 544 case SDCA_CTL_TYPE_S(IT, LATENCY): 545 case SDCA_CTL_TYPE_S(OT, LATENCY): 546 case SDCA_CTL_TYPE_S(MU, LATENCY): 547 case SDCA_CTL_TYPE_S(SU, LATENCY): 548 case SDCA_CTL_TYPE_S(FU, LATENCY): 549 case SDCA_CTL_TYPE_S(XU, LATENCY): 550 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 551 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 552 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 553 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 554 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 555 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 556 case SDCA_CTL_TYPE_S(CRU, LATENCY): 557 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 558 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 559 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 560 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 561 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 562 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 563 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 564 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 565 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 566 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 567 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 568 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 569 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 570 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 571 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 572 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 573 case SDCA_CTL_TYPE_S(PPU, LATENCY): 574 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 575 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 576 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 577 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 578 return 32; 579 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 580 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 581 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 582 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 583 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 584 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 585 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 586 case SDCA_CTL_TYPE_S(MU, MIXER): 587 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 588 case SDCA_CTL_TYPE_S(FU, GAIN): 589 case SDCA_CTL_TYPE_S(XU, XU_ID): 590 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 591 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 592 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 593 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 594 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 595 return 16; 596 case SDCA_CTL_TYPE_S(FU, MUTE): 597 case SDCA_CTL_TYPE_S(FU, AGC): 598 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 599 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 600 case SDCA_CTL_TYPE_S(XU, BYPASS): 601 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 602 return 1; 603 default: 604 return 8; 605 } 606 } 607 608 static enum sdca_control_datatype 609 find_sdca_control_datatype(const struct sdca_entity *entity, 610 const struct sdca_control *control) 611 { 612 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 613 case SDCA_CTL_TYPE_S(XU, BYPASS): 614 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 615 case SDCA_CTL_TYPE_S(FU, MUTE): 616 case SDCA_CTL_TYPE_S(FU, AGC): 617 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 618 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 619 return SDCA_CTL_DATATYPE_ONEBIT; 620 case SDCA_CTL_TYPE_S(IT, LATENCY): 621 case SDCA_CTL_TYPE_S(OT, LATENCY): 622 case SDCA_CTL_TYPE_S(MU, LATENCY): 623 case SDCA_CTL_TYPE_S(SU, LATENCY): 624 case SDCA_CTL_TYPE_S(FU, LATENCY): 625 case SDCA_CTL_TYPE_S(XU, LATENCY): 626 case SDCA_CTL_TYPE_S(CRU, LATENCY): 627 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 628 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 629 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 630 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 631 case SDCA_CTL_TYPE_S(PPU, LATENCY): 632 case SDCA_CTL_TYPE_S(SU, SELECTOR): 633 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): 634 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): 635 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): 636 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): 637 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): 638 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): 639 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): 640 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): 641 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): 642 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): 643 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): 644 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): 645 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): 646 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): 647 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): 648 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): 649 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): 650 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): 651 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): 652 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): 653 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): 654 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): 655 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): 656 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): 657 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): 658 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): 659 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 660 case SDCA_CTL_TYPE_S(XU, XU_ID): 661 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 662 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 663 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 664 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 665 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 666 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 667 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 668 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 669 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 670 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 671 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 672 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 673 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 674 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 675 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 676 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 677 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 678 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 679 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 680 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 681 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 682 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 683 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 684 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 685 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 686 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 687 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 688 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 689 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 690 return SDCA_CTL_DATATYPE_INTEGER; 691 case SDCA_CTL_TYPE_S(IT, MIC_BIAS): 692 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): 693 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 694 case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): 695 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): 696 return SDCA_CTL_DATATYPE_SPEC_ENCODED_VALUE; 697 case SDCA_CTL_TYPE_S(XU, XU_VERSION): 698 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): 699 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): 700 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): 701 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): 702 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): 703 return SDCA_CTL_DATATYPE_BCD; 704 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 705 case SDCA_CTL_TYPE_S(FU, GAIN): 706 case SDCA_CTL_TYPE_S(MU, MIXER): 707 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 708 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 709 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 710 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 711 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 712 return SDCA_CTL_DATATYPE_Q7P8DB; 713 case SDCA_CTL_TYPE_S(IT, USAGE): 714 case SDCA_CTL_TYPE_S(OT, USAGE): 715 case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): 716 case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): 717 case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): 718 case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): 719 case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): 720 case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): 721 case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): 722 case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): 723 case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): 724 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 725 case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): 726 return SDCA_CTL_DATATYPE_BYTEINDEX; 727 case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): 728 return SDCA_CTL_DATATYPE_POSTURENUMBER; 729 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 730 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 731 return SDCA_CTL_DATATYPE_DP_INDEX; 732 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): 733 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): 734 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): 735 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): 736 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 737 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): 738 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): 739 case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): 740 case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): 741 return SDCA_CTL_DATATYPE_BITINDEX; 742 case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): 743 case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): 744 case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): 745 case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): 746 case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): 747 case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): 748 case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): 749 case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): 750 case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): 751 case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): 752 case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): 753 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 754 case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): 755 case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): 756 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 757 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): 758 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): 759 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 760 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 761 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 762 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 763 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 764 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 765 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 766 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 767 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 768 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 769 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 770 return SDCA_CTL_DATATYPE_BITMAP; 771 case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): 772 case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): 773 case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): 774 return SDCA_CTL_DATATYPE_GUID; 775 default: 776 return SDCA_CTL_DATATYPE_IMPDEF; 777 } 778 } 779 780 static bool find_sdca_control_volatile(const struct sdca_entity *entity, 781 const struct sdca_control *control) 782 { 783 switch (control->mode) { 784 case SDCA_ACCESS_MODE_DC: 785 return false; 786 case SDCA_ACCESS_MODE_RO: 787 case SDCA_ACCESS_MODE_RW1S: 788 case SDCA_ACCESS_MODE_RW1C: 789 return true; 790 default: 791 break; 792 } 793 794 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 795 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 796 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 797 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 798 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 799 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 800 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 801 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 802 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 803 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 804 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 805 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 806 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 807 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 808 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 809 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 810 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 811 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 812 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 813 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 814 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 815 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 816 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 817 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 818 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 819 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 820 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 821 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 822 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 823 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 824 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 825 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 826 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 827 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 828 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 829 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 830 return true; 831 default: 832 return false; 833 } 834 } 835 836 static int find_sdca_control_range(struct device *dev, 837 struct fwnode_handle *control_node, 838 struct sdca_control_range *range) 839 { 840 u8 *range_list; 841 int num_range; 842 u16 *limits; 843 int i; 844 845 num_range = fwnode_property_count_u8(control_node, "mipi-sdca-control-range"); 846 if (!num_range || num_range == -EINVAL) 847 return 0; 848 else if (num_range < 0) 849 return num_range; 850 851 range_list = devm_kcalloc(dev, num_range, sizeof(*range_list), GFP_KERNEL); 852 if (!range_list) 853 return -ENOMEM; 854 855 fwnode_property_read_u8_array(control_node, "mipi-sdca-control-range", 856 range_list, num_range); 857 858 limits = (u16 *)range_list; 859 860 range->cols = le16_to_cpu(limits[0]); 861 range->rows = le16_to_cpu(limits[1]); 862 range->data = (u32 *)&limits[2]; 863 864 num_range = (num_range - (2 * sizeof(*limits))) / sizeof(*range->data); 865 if (num_range != range->cols * range->rows) 866 return -EINVAL; 867 868 for (i = 0; i < num_range; i++) 869 range->data[i] = le32_to_cpu(range->data[i]); 870 871 return 0; 872 } 873 874 static int find_sdca_control_value(struct device *dev, struct sdca_entity *entity, 875 struct fwnode_handle *control_node, 876 struct sdca_control *control, 877 const char * const label) 878 { 879 char property[SDCA_PROPERTY_LENGTH]; 880 bool global = true; 881 int ret, cn, i; 882 u32 tmp; 883 884 snprintf(property, sizeof(property), "mipi-sdca-control-%s", label); 885 886 ret = fwnode_property_read_u32(control_node, property, &tmp); 887 if (ret == -EINVAL) 888 global = false; 889 else if (ret) 890 return ret; 891 892 i = 0; 893 for_each_set_bit(cn, (unsigned long *)&control->cn_list, 894 BITS_PER_TYPE(control->cn_list)) { 895 if (!global) { 896 snprintf(property, sizeof(property), 897 "mipi-sdca-control-cn-%d-%s", cn, label); 898 899 ret = fwnode_property_read_u32(control_node, property, &tmp); 900 if (ret) 901 return ret; 902 } 903 904 control->values[i] = tmp; 905 i++; 906 } 907 908 return 0; 909 } 910 911 static int find_sdca_control_reset(const struct sdca_entity *entity, 912 struct sdca_control *control) 913 { 914 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 915 case SDCA_CTL_TYPE_S(FU, AGC): 916 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 917 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 918 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 919 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 920 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 921 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 922 control->has_reset = true; 923 control->reset = 0; 924 break; 925 case SDCA_CTL_TYPE_S(XU, BYPASS): 926 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 927 case SDCA_CTL_TYPE_S(FU, MUTE): 928 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 929 control->has_reset = true; 930 control->reset = 1; 931 break; 932 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 933 control->has_reset = true; 934 control->reset = 3; 935 break; 936 default: 937 break; 938 } 939 940 return 0; 941 } 942 943 static int find_sdca_entity_control(struct device *dev, struct sdca_entity *entity, 944 struct fwnode_handle *control_node, 945 struct sdca_control *control) 946 { 947 u32 tmp; 948 int ret; 949 950 ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-mode", &tmp); 951 if (ret) { 952 dev_err(dev, "%s: control %#x: access mode missing: %d\n", 953 entity->label, control->sel, ret); 954 return ret; 955 } 956 957 control->mode = tmp; 958 959 ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-layer", &tmp); 960 if (ret) { 961 dev_err(dev, "%s: control %#x: access layer missing: %d\n", 962 entity->label, control->sel, ret); 963 return ret; 964 } 965 966 control->layers = tmp; 967 968 ret = fwnode_property_read_u64(control_node, "mipi-sdca-control-cn-list", 969 &control->cn_list); 970 if (ret == -EINVAL) { 971 /* Spec allows not specifying cn-list if only the first number is used */ 972 control->cn_list = 0x1; 973 } else if (ret || !control->cn_list) { 974 dev_err(dev, "%s: control %#x: cn list missing: %d\n", 975 entity->label, control->sel, ret); 976 return ret; 977 } 978 979 control->values = devm_kcalloc(dev, hweight64(control->cn_list), 980 sizeof(*control->values), GFP_KERNEL); 981 if (!control->values) 982 return -ENOMEM; 983 984 switch (control->mode) { 985 case SDCA_ACCESS_MODE_DC: 986 ret = find_sdca_control_value(dev, entity, control_node, control, 987 "dc-value"); 988 if (ret) { 989 dev_err(dev, "%s: control %#x: dc value missing: %d\n", 990 entity->label, control->sel, ret); 991 return ret; 992 } 993 994 control->has_fixed = true; 995 break; 996 case SDCA_ACCESS_MODE_RW: 997 case SDCA_ACCESS_MODE_DUAL: 998 ret = find_sdca_control_value(dev, entity, control_node, control, 999 "default-value"); 1000 if (!ret) 1001 control->has_default = true; 1002 1003 ret = find_sdca_control_value(dev, entity, control_node, control, 1004 "fixed-value"); 1005 if (!ret) 1006 control->has_fixed = true; 1007 fallthrough; 1008 case SDCA_ACCESS_MODE_RO: 1009 control->deferrable = fwnode_property_read_bool(control_node, 1010 "mipi-sdca-control-deferrable"); 1011 break; 1012 default: 1013 break; 1014 } 1015 1016 control->is_volatile = find_sdca_control_volatile(entity, control); 1017 1018 ret = find_sdca_control_reset(entity, control); 1019 if (ret) 1020 return ret; 1021 1022 ret = find_sdca_control_range(dev, control_node, &control->range); 1023 if (ret) { 1024 dev_err(dev, "%s: control %#x: range missing: %d\n", 1025 entity->label, control->sel, ret); 1026 return ret; 1027 } 1028 1029 ret = fwnode_property_read_u32(control_node, 1030 "mipi-sdca-control-interrupt-position", 1031 &tmp); 1032 if (!ret) 1033 control->interrupt_position = tmp; 1034 else 1035 control->interrupt_position = SDCA_NO_INTERRUPT; 1036 1037 control->label = find_sdca_control_label(dev, entity, control); 1038 if (!control->label) 1039 return -ENOMEM; 1040 1041 control->type = find_sdca_control_datatype(entity, control); 1042 control->nbits = find_sdca_control_bits(entity, control); 1043 1044 dev_dbg(dev, "%s: %s: control %#x mode %#x layers %#x cn %#llx int %d %s\n", 1045 entity->label, control->label, control->sel, 1046 control->mode, control->layers, control->cn_list, 1047 control->interrupt_position, control->deferrable ? "deferrable" : ""); 1048 1049 return 0; 1050 } 1051 1052 static int find_sdca_entity_controls(struct device *dev, 1053 struct fwnode_handle *entity_node, 1054 struct sdca_entity *entity) 1055 { 1056 struct sdca_control *controls; 1057 int num_controls; 1058 u64 control_list; 1059 int control_sel; 1060 int i, ret; 1061 1062 ret = fwnode_property_read_u64(entity_node, "mipi-sdca-control-list", &control_list); 1063 if (ret == -EINVAL) { 1064 /* Allow missing control lists, assume no controls. */ 1065 dev_warn(dev, "%s: missing control list\n", entity->label); 1066 return 0; 1067 } else if (ret) { 1068 dev_err(dev, "%s: failed to read control list: %d\n", entity->label, ret); 1069 return ret; 1070 } else if (!control_list) { 1071 return 0; 1072 } 1073 1074 num_controls = hweight64(control_list); 1075 controls = devm_kcalloc(dev, num_controls, sizeof(*controls), GFP_KERNEL); 1076 if (!controls) 1077 return -ENOMEM; 1078 1079 i = 0; 1080 for_each_set_bit(control_sel, (unsigned long *)&control_list, 1081 BITS_PER_TYPE(control_list)) { 1082 struct fwnode_handle *control_node; 1083 char control_property[SDCA_PROPERTY_LENGTH]; 1084 1085 /* DisCo uses upper-case for hex numbers */ 1086 snprintf(control_property, sizeof(control_property), 1087 "mipi-sdca-control-0x%X-subproperties", control_sel); 1088 1089 control_node = fwnode_get_named_child_node(entity_node, control_property); 1090 if (!control_node) { 1091 dev_err(dev, "%s: control node %s not found\n", 1092 entity->label, control_property); 1093 return -EINVAL; 1094 } 1095 1096 controls[i].sel = control_sel; 1097 1098 ret = find_sdca_entity_control(dev, entity, control_node, &controls[i]); 1099 fwnode_handle_put(control_node); 1100 if (ret) 1101 return ret; 1102 1103 i++; 1104 } 1105 1106 entity->num_controls = num_controls; 1107 entity->controls = controls; 1108 1109 return 0; 1110 } 1111 1112 static bool find_sdca_iot_dataport(struct sdca_entity_iot *terminal) 1113 { 1114 switch (terminal->type) { 1115 case SDCA_TERM_TYPE_GENERIC: 1116 case SDCA_TERM_TYPE_ULTRASOUND: 1117 case SDCA_TERM_TYPE_CAPTURE_DIRECT_PCM_MIC: 1118 case SDCA_TERM_TYPE_RAW_PDM_MIC: 1119 case SDCA_TERM_TYPE_SPEECH: 1120 case SDCA_TERM_TYPE_VOICE: 1121 case SDCA_TERM_TYPE_SECONDARY_PCM_MIC: 1122 case SDCA_TERM_TYPE_ACOUSTIC_CONTEXT_AWARENESS: 1123 case SDCA_TERM_TYPE_DTOD_STREAM: 1124 case SDCA_TERM_TYPE_REFERENCE_STREAM: 1125 case SDCA_TERM_TYPE_SENSE_CAPTURE: 1126 case SDCA_TERM_TYPE_STREAMING_MIC: 1127 case SDCA_TERM_TYPE_OPTIMIZATION_STREAM: 1128 case SDCA_TERM_TYPE_PDM_RENDER_STREAM: 1129 case SDCA_TERM_TYPE_COMPANION_DATA: 1130 return true; 1131 default: 1132 return false; 1133 } 1134 } 1135 1136 static int find_sdca_entity_iot(struct device *dev, 1137 struct fwnode_handle *entity_node, 1138 struct sdca_entity *entity) 1139 { 1140 struct sdca_entity_iot *terminal = &entity->iot; 1141 u32 tmp; 1142 int ret; 1143 1144 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-terminal-type", &tmp); 1145 if (ret) { 1146 dev_err(dev, "%s: terminal type missing: %d\n", entity->label, ret); 1147 return ret; 1148 } 1149 1150 terminal->type = tmp; 1151 terminal->is_dataport = find_sdca_iot_dataport(terminal); 1152 1153 if (!terminal->is_dataport) { 1154 const char *type_name = sdca_find_terminal_name(terminal->type); 1155 1156 if (type_name) { 1157 entity->label = devm_kasprintf(dev, GFP_KERNEL, "%s %s", 1158 entity->label, type_name); 1159 if (!entity->label) 1160 return -ENOMEM; 1161 } 1162 } 1163 1164 ret = fwnode_property_read_u32(entity_node, 1165 "mipi-sdca-terminal-reference-number", &tmp); 1166 if (!ret) 1167 terminal->reference = tmp; 1168 1169 ret = fwnode_property_read_u32(entity_node, 1170 "mipi-sdca-terminal-connector-type", &tmp); 1171 if (!ret) 1172 terminal->connector = tmp; 1173 1174 ret = fwnode_property_read_u32(entity_node, 1175 "mipi-sdca-terminal-transducer-count", &tmp); 1176 if (!ret) 1177 terminal->num_transducer = tmp; 1178 1179 dev_dbg(dev, "%s: terminal type %#x ref %#x conn %#x count %d\n", 1180 entity->label, terminal->type, terminal->reference, 1181 terminal->connector, terminal->num_transducer); 1182 1183 return 0; 1184 } 1185 1186 static int find_sdca_entity_cs(struct device *dev, 1187 struct fwnode_handle *entity_node, 1188 struct sdca_entity *entity) 1189 { 1190 struct sdca_entity_cs *clock = &entity->cs; 1191 u32 tmp; 1192 int ret; 1193 1194 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-cs-type", &tmp); 1195 if (ret) { 1196 dev_err(dev, "%s: clock type missing: %d\n", entity->label, ret); 1197 return ret; 1198 } 1199 1200 clock->type = tmp; 1201 1202 ret = fwnode_property_read_u32(entity_node, 1203 "mipi-sdca-clock-valid-max-delay", &tmp); 1204 if (!ret) 1205 clock->max_delay = tmp; 1206 1207 dev_dbg(dev, "%s: clock type %#x delay %d\n", entity->label, 1208 clock->type, clock->max_delay); 1209 1210 return 0; 1211 } 1212 1213 static int find_sdca_entity_pde(struct device *dev, 1214 struct fwnode_handle *entity_node, 1215 struct sdca_entity *entity) 1216 { 1217 static const int mult_delay = 3; 1218 struct sdca_entity_pde *power = &entity->pde; 1219 struct sdca_pde_delay *delays; 1220 int num_delays; 1221 int i, j; 1222 1223 num_delays = fwnode_property_count_u32(entity_node, 1224 "mipi-sdca-powerdomain-transition-max-delay"); 1225 if (num_delays <= 0) { 1226 dev_err(dev, "%s: max delay list missing: %d\n", 1227 entity->label, num_delays); 1228 return -EINVAL; 1229 } else if (num_delays % mult_delay != 0) { 1230 dev_err(dev, "%s: delays not multiple of %d\n", 1231 entity->label, mult_delay); 1232 return -EINVAL; 1233 } else if (num_delays > SDCA_MAX_DELAY_COUNT) { 1234 dev_err(dev, "%s: maximum number of transition delays exceeded\n", 1235 entity->label); 1236 return -EINVAL; 1237 } 1238 1239 u32 *delay_list __free(kfree) = kcalloc(num_delays, sizeof(*delay_list), 1240 GFP_KERNEL); 1241 if (!delay_list) 1242 return -ENOMEM; 1243 1244 fwnode_property_read_u32_array(entity_node, 1245 "mipi-sdca-powerdomain-transition-max-delay", 1246 delay_list, num_delays); 1247 1248 num_delays /= mult_delay; 1249 1250 delays = devm_kcalloc(dev, num_delays, sizeof(*delays), GFP_KERNEL); 1251 if (!delays) 1252 return -ENOMEM; 1253 1254 for (i = 0, j = 0; i < num_delays; i++) { 1255 delays[i].from_ps = delay_list[j++]; 1256 delays[i].to_ps = delay_list[j++]; 1257 delays[i].us = delay_list[j++]; 1258 1259 dev_dbg(dev, "%s: from %#x to %#x delay %dus\n", entity->label, 1260 delays[i].from_ps, delays[i].to_ps, delays[i].us); 1261 } 1262 1263 power->num_max_delay = num_delays; 1264 power->max_delay = delays; 1265 1266 return 0; 1267 } 1268 1269 struct raw_ge_mode { 1270 u8 val; 1271 u8 num_controls; 1272 struct { 1273 u8 id; 1274 u8 sel; 1275 u8 cn; 1276 __le32 val; 1277 } __packed controls[] __counted_by(num_controls); 1278 } __packed; 1279 1280 static int find_sdca_entity_ge(struct device *dev, 1281 struct fwnode_handle *entity_node, 1282 struct sdca_entity *entity) 1283 { 1284 struct sdca_entity_ge *group = &entity->ge; 1285 u8 *affected_iter; 1286 int num_affected; 1287 int i, j; 1288 1289 num_affected = fwnode_property_count_u8(entity_node, 1290 "mipi-sdca-ge-selectedmode-controls-affected"); 1291 if (!num_affected) { 1292 return 0; 1293 } else if (num_affected < 0) { 1294 dev_err(dev, "%s: failed to read affected controls: %d\n", 1295 entity->label, num_affected); 1296 return num_affected; 1297 } else if (num_affected > SDCA_MAX_AFFECTED_COUNT) { 1298 dev_err(dev, "%s: maximum affected controls size exceeded\n", 1299 entity->label); 1300 return -EINVAL; 1301 } 1302 1303 u8 *affected_list __free(kfree) = kcalloc(num_affected, sizeof(*affected_list), 1304 GFP_KERNEL); 1305 if (!affected_list) 1306 return -ENOMEM; 1307 1308 fwnode_property_read_u8_array(entity_node, 1309 "mipi-sdca-ge-selectedmode-controls-affected", 1310 affected_list, num_affected); 1311 1312 group->num_modes = *affected_list; 1313 affected_iter = affected_list + 1; 1314 1315 group->modes = devm_kcalloc(dev, group->num_modes, sizeof(*group->modes), 1316 GFP_KERNEL); 1317 if (!group->modes) 1318 return -ENOMEM; 1319 1320 for (i = 0; i < group->num_modes; i++) { 1321 struct raw_ge_mode *raw = (struct raw_ge_mode *)affected_iter; 1322 struct sdca_ge_mode *mode = &group->modes[i]; 1323 1324 affected_iter += sizeof(*raw); 1325 if (affected_iter > affected_list + num_affected) 1326 goto bad_list; 1327 1328 mode->val = raw->val; 1329 mode->num_controls = raw->num_controls; 1330 1331 affected_iter += mode->num_controls * sizeof(raw->controls[0]); 1332 if (affected_iter > affected_list + num_affected) 1333 goto bad_list; 1334 1335 mode->controls = devm_kcalloc(dev, mode->num_controls, 1336 sizeof(*mode->controls), GFP_KERNEL); 1337 if (!mode->controls) 1338 return -ENOMEM; 1339 1340 for (j = 0; j < mode->num_controls; j++) { 1341 mode->controls[j].id = raw->controls[j].id; 1342 mode->controls[j].sel = raw->controls[j].sel; 1343 mode->controls[j].cn = raw->controls[j].cn; 1344 mode->controls[j].val = le32_to_cpu(raw->controls[j].val); 1345 } 1346 } 1347 1348 return 0; 1349 1350 bad_list: 1351 dev_err(dev, "%s: malformed affected controls list\n", entity->label); 1352 return -EINVAL; 1353 } 1354 1355 static int 1356 find_sdca_entity_hide(struct device *dev, struct sdw_slave *sdw, 1357 struct fwnode_handle *function_node, 1358 struct fwnode_handle *entity_node, struct sdca_entity *entity) 1359 { 1360 struct sdca_entity_hide *hide = &entity->hide; 1361 unsigned int delay, *af_list = hide->af_number_list; 1362 int nval, ret; 1363 unsigned char *report_desc = NULL; 1364 1365 ret = fwnode_property_read_u32(entity_node, 1366 "mipi-sdca-RxUMP-ownership-transition-max-delay", &delay); 1367 if (!ret) 1368 hide->max_delay = delay; 1369 1370 nval = fwnode_property_count_u32(entity_node, "mipi-sdca-HIDTx-supported-report-ids"); 1371 if (nval > 0) { 1372 hide->num_hidtx_ids = nval; 1373 hide->hidtx_ids = devm_kcalloc(dev, hide->num_hidtx_ids, 1374 sizeof(*hide->hidtx_ids), GFP_KERNEL); 1375 if (!hide->hidtx_ids) 1376 return -ENOMEM; 1377 1378 ret = fwnode_property_read_u32_array(entity_node, 1379 "mipi-sdca-HIDTx-supported-report-ids", 1380 hide->hidtx_ids, 1381 hide->num_hidtx_ids); 1382 if (ret < 0) 1383 return ret; 1384 } 1385 1386 nval = fwnode_property_count_u32(entity_node, "mipi-sdca-HIDRx-supported-report-ids"); 1387 if (nval > 0) { 1388 hide->num_hidrx_ids = nval; 1389 hide->hidrx_ids = devm_kcalloc(dev, hide->num_hidrx_ids, 1390 sizeof(*hide->hidrx_ids), GFP_KERNEL); 1391 if (!hide->hidrx_ids) 1392 return -ENOMEM; 1393 1394 ret = fwnode_property_read_u32_array(entity_node, 1395 "mipi-sdca-HIDRx-supported-report-ids", 1396 hide->hidrx_ids, 1397 hide->num_hidrx_ids); 1398 if (ret < 0) 1399 return ret; 1400 } 1401 1402 nval = fwnode_property_count_u32(entity_node, "mipi-sdca-hide-related-audio-function-list"); 1403 if (nval <= 0) { 1404 dev_err(dev, "%pfwP: audio function numbers list missing: %d\n", 1405 entity_node, nval); 1406 return -EINVAL; 1407 } else if (nval > SDCA_MAX_FUNCTION_COUNT) { 1408 dev_err(dev, "%pfwP: maximum number of audio function exceeded\n", entity_node); 1409 return -EINVAL; 1410 } 1411 1412 hide->hide_reside_function_num = nval; 1413 fwnode_property_read_u32_array(entity_node, 1414 "mipi-sdca-hide-related-audio-function-list", af_list, nval); 1415 1416 nval = fwnode_property_count_u8(function_node, "mipi-sdca-hid-descriptor"); 1417 if (nval) 1418 fwnode_property_read_u8_array(function_node, "mipi-sdca-hid-descriptor", 1419 (u8 *)&hide->hid_desc, nval); 1420 1421 if (hide->hid_desc.bNumDescriptors) { 1422 nval = fwnode_property_count_u8(function_node, "mipi-sdca-report-descriptor"); 1423 if (nval) { 1424 report_desc = devm_kzalloc(dev, nval, GFP_KERNEL); 1425 if (!report_desc) 1426 return -ENOMEM; 1427 hide->hid_report_desc = report_desc; 1428 fwnode_property_read_u8_array(function_node, "mipi-sdca-report-descriptor", 1429 report_desc, nval); 1430 1431 /* add HID device */ 1432 ret = sdca_add_hid_device(dev, sdw, entity); 1433 if (ret) { 1434 dev_err(dev, "%pfwP: failed to add HID device: %d\n", entity_node, ret); 1435 return ret; 1436 } 1437 } 1438 } 1439 1440 return 0; 1441 } 1442 1443 static int find_sdca_entity_xu(struct device *dev, 1444 struct fwnode_handle *entity_node, 1445 struct sdca_entity *entity) 1446 { 1447 struct sdca_entity_xu *xu = &entity->xu; 1448 u32 tmp; 1449 int ret; 1450 1451 ret = fwnode_property_read_u32(entity_node, 1452 "mipi-sdca-RxUMP-ownership-transition-max-delay", 1453 &tmp); 1454 if (!ret) 1455 xu->max_delay = tmp; 1456 1457 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-FDL-reset-mechanism", 1458 &tmp); 1459 if (!ret) 1460 xu->reset_mechanism = tmp; 1461 1462 return 0; 1463 } 1464 1465 static int find_sdca_entity(struct device *dev, struct sdw_slave *sdw, 1466 struct fwnode_handle *function_node, 1467 struct fwnode_handle *entity_node, 1468 struct sdca_entity *entity) 1469 { 1470 u32 tmp; 1471 int ret; 1472 1473 ret = fwnode_property_read_string(entity_node, "mipi-sdca-entity-label", 1474 &entity->label); 1475 if (ret) { 1476 dev_err(dev, "%pfwP: entity %#x: label missing: %d\n", 1477 function_node, entity->id, ret); 1478 return ret; 1479 } 1480 1481 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-entity-type", &tmp); 1482 if (ret) { 1483 dev_err(dev, "%s: type missing: %d\n", entity->label, ret); 1484 return ret; 1485 } 1486 1487 entity->type = tmp; 1488 1489 dev_dbg(dev, "%s: entity %#x type %#x\n", 1490 entity->label, entity->id, entity->type); 1491 1492 switch (entity->type) { 1493 case SDCA_ENTITY_TYPE_IT: 1494 case SDCA_ENTITY_TYPE_OT: 1495 ret = find_sdca_entity_iot(dev, entity_node, entity); 1496 break; 1497 case SDCA_ENTITY_TYPE_XU: 1498 ret = find_sdca_entity_xu(dev, entity_node, entity); 1499 break; 1500 case SDCA_ENTITY_TYPE_CS: 1501 ret = find_sdca_entity_cs(dev, entity_node, entity); 1502 break; 1503 case SDCA_ENTITY_TYPE_PDE: 1504 ret = find_sdca_entity_pde(dev, entity_node, entity); 1505 break; 1506 case SDCA_ENTITY_TYPE_GE: 1507 ret = find_sdca_entity_ge(dev, entity_node, entity); 1508 break; 1509 case SDCA_ENTITY_TYPE_HIDE: 1510 ret = find_sdca_entity_hide(dev, sdw, function_node, 1511 entity_node, entity); 1512 break; 1513 default: 1514 break; 1515 } 1516 if (ret) 1517 return ret; 1518 1519 ret = find_sdca_entity_controls(dev, entity_node, entity); 1520 if (ret) 1521 return ret; 1522 1523 return 0; 1524 } 1525 1526 static int find_sdca_entities(struct device *dev, struct sdw_slave *sdw, 1527 struct fwnode_handle *function_node, 1528 struct sdca_function_data *function) 1529 { 1530 struct sdca_entity *entities; 1531 int num_entities; 1532 int i, ret; 1533 1534 num_entities = fwnode_property_count_u32(function_node, 1535 "mipi-sdca-entity-id-list"); 1536 if (num_entities <= 0) { 1537 dev_err(dev, "%pfwP: entity id list missing: %d\n", 1538 function_node, num_entities); 1539 return -EINVAL; 1540 } else if (num_entities > SDCA_MAX_ENTITY_COUNT) { 1541 dev_err(dev, "%pfwP: maximum number of entities exceeded\n", 1542 function_node); 1543 return -EINVAL; 1544 } 1545 1546 /* Add 1 to make space for Entity 0 */ 1547 entities = devm_kcalloc(dev, num_entities + 1, sizeof(*entities), GFP_KERNEL); 1548 if (!entities) 1549 return -ENOMEM; 1550 1551 u32 *entity_list __free(kfree) = kcalloc(num_entities, sizeof(*entity_list), 1552 GFP_KERNEL); 1553 if (!entity_list) 1554 return -ENOMEM; 1555 1556 fwnode_property_read_u32_array(function_node, "mipi-sdca-entity-id-list", 1557 entity_list, num_entities); 1558 1559 for (i = 0; i < num_entities; i++) 1560 entities[i].id = entity_list[i]; 1561 1562 /* now read subproperties */ 1563 for (i = 0; i < num_entities; i++) { 1564 char entity_property[SDCA_PROPERTY_LENGTH]; 1565 struct fwnode_handle *entity_node; 1566 1567 /* DisCo uses upper-case for hex numbers */ 1568 snprintf(entity_property, sizeof(entity_property), 1569 "mipi-sdca-entity-id-0x%X-subproperties", entities[i].id); 1570 1571 entity_node = fwnode_get_named_child_node(function_node, entity_property); 1572 if (!entity_node) { 1573 dev_err(dev, "%pfwP: entity node %s not found\n", 1574 function_node, entity_property); 1575 return -EINVAL; 1576 } 1577 1578 ret = find_sdca_entity(dev, sdw, function_node, 1579 entity_node, &entities[i]); 1580 fwnode_handle_put(entity_node); 1581 if (ret) 1582 return ret; 1583 } 1584 1585 /* 1586 * Add Entity 0 at end of the array, makes it easy to skip during 1587 * all the Entity searches involved in creating connections. 1588 */ 1589 entities[num_entities].label = "entity0"; 1590 1591 ret = find_sdca_entity_controls(dev, function_node, &entities[num_entities]); 1592 if (ret) 1593 return ret; 1594 1595 function->num_entities = num_entities + 1; 1596 function->entities = entities; 1597 1598 return 0; 1599 } 1600 1601 static struct sdca_entity *find_sdca_entity_by_label(struct sdca_function_data *function, 1602 const char *entity_label) 1603 { 1604 struct sdca_entity *entity = NULL; 1605 int i; 1606 1607 for (i = 0; i < function->num_entities; i++) { 1608 entity = &function->entities[i]; 1609 1610 /* check whole string first*/ 1611 if (!strcmp(entity->label, entity_label)) 1612 return entity; 1613 } 1614 1615 for (i = 0; i < function->num_entities; i++) { 1616 entity = &function->entities[i]; 1617 1618 if (!strncmp(entity->label, entity_label, strlen(entity_label))) 1619 return entity; 1620 } 1621 1622 return NULL; 1623 } 1624 1625 static struct sdca_entity *find_sdca_entity_by_id(struct sdca_function_data *function, 1626 const int id) 1627 { 1628 int i; 1629 1630 for (i = 0; i < function->num_entities; i++) { 1631 struct sdca_entity *entity = &function->entities[i]; 1632 1633 if (entity->id == id) 1634 return entity; 1635 } 1636 1637 return NULL; 1638 } 1639 1640 static int find_sdca_entity_connection_iot(struct device *dev, 1641 struct sdca_function_data *function, 1642 struct fwnode_handle *entity_node, 1643 struct sdca_entity *entity) 1644 { 1645 struct sdca_entity_iot *terminal = &entity->iot; 1646 struct fwnode_handle *clock_node; 1647 struct sdca_entity *clock_entity; 1648 const char *clock_label; 1649 int ret; 1650 1651 clock_node = fwnode_get_named_child_node(entity_node, 1652 "mipi-sdca-terminal-clock-connection"); 1653 if (!clock_node) 1654 return 0; 1655 1656 ret = fwnode_property_read_string(clock_node, "mipi-sdca-entity-label", 1657 &clock_label); 1658 if (ret) { 1659 dev_err(dev, "%s: clock label missing: %d\n", entity->label, ret); 1660 fwnode_handle_put(clock_node); 1661 return ret; 1662 } 1663 1664 clock_entity = find_sdca_entity_by_label(function, clock_label); 1665 if (!clock_entity) { 1666 dev_err(dev, "%s: failed to find clock with label %s\n", 1667 entity->label, clock_label); 1668 fwnode_handle_put(clock_node); 1669 return -EINVAL; 1670 } 1671 1672 terminal->clock = clock_entity; 1673 1674 dev_dbg(dev, "%s -> %s\n", clock_entity->label, entity->label); 1675 1676 fwnode_handle_put(clock_node); 1677 return 0; 1678 } 1679 1680 static int find_sdca_entity_connection_pde(struct device *dev, 1681 struct sdca_function_data *function, 1682 struct fwnode_handle *entity_node, 1683 struct sdca_entity *entity) 1684 { 1685 struct sdca_entity_pde *power = &entity->pde; 1686 struct sdca_entity **managed; 1687 int num_managed; 1688 int i; 1689 1690 num_managed = fwnode_property_count_u32(entity_node, 1691 "mipi-sdca-powerdomain-managed-list"); 1692 if (!num_managed) { 1693 return 0; 1694 } else if (num_managed < 0) { 1695 dev_err(dev, "%s: managed list missing: %d\n", entity->label, num_managed); 1696 return num_managed; 1697 } else if (num_managed > SDCA_MAX_ENTITY_COUNT) { 1698 dev_err(dev, "%s: maximum number of managed entities exceeded\n", 1699 entity->label); 1700 return -EINVAL; 1701 } 1702 1703 managed = devm_kcalloc(dev, num_managed, sizeof(*managed), GFP_KERNEL); 1704 if (!managed) 1705 return -ENOMEM; 1706 1707 u32 *managed_list __free(kfree) = kcalloc(num_managed, sizeof(*managed_list), 1708 GFP_KERNEL); 1709 if (!managed_list) 1710 return -ENOMEM; 1711 1712 fwnode_property_read_u32_array(entity_node, 1713 "mipi-sdca-powerdomain-managed-list", 1714 managed_list, num_managed); 1715 1716 for (i = 0; i < num_managed; i++) { 1717 managed[i] = find_sdca_entity_by_id(function, managed_list[i]); 1718 if (!managed[i]) { 1719 dev_err(dev, "%s: failed to find entity with id %#x\n", 1720 entity->label, managed_list[i]); 1721 return -EINVAL; 1722 } 1723 1724 dev_dbg(dev, "%s -> %s\n", managed[i]->label, entity->label); 1725 } 1726 1727 power->num_managed = num_managed; 1728 power->managed = managed; 1729 1730 return 0; 1731 } 1732 1733 static int find_sdca_entity_connection_ge(struct device *dev, 1734 struct sdca_function_data *function, 1735 struct fwnode_handle *entity_node, 1736 struct sdca_entity *entity) 1737 { 1738 int i, j; 1739 1740 for (i = 0; i < entity->ge.num_modes; i++) { 1741 struct sdca_ge_mode *mode = &entity->ge.modes[i]; 1742 1743 for (j = 0; j < mode->num_controls; j++) { 1744 struct sdca_ge_control *affected = &mode->controls[j]; 1745 struct sdca_entity *managed; 1746 1747 managed = find_sdca_entity_by_id(function, affected->id); 1748 if (!managed) { 1749 dev_err(dev, "%s: failed to find entity with id %#x\n", 1750 entity->label, affected->id); 1751 return -EINVAL; 1752 } 1753 1754 if (managed->group && managed->group != entity) { 1755 dev_err(dev, 1756 "%s: entity controlled by two groups %s, %s\n", 1757 managed->label, managed->group->label, 1758 entity->label); 1759 return -EINVAL; 1760 } 1761 1762 managed->group = entity; 1763 } 1764 } 1765 1766 return 0; 1767 } 1768 1769 static int find_sdca_entity_connection(struct device *dev, 1770 struct sdca_function_data *function, 1771 struct fwnode_handle *entity_node, 1772 struct sdca_entity *entity) 1773 { 1774 struct sdca_entity **pins; 1775 int num_pins, pin; 1776 u64 pin_list; 1777 int i, ret; 1778 1779 switch (entity->type) { 1780 case SDCA_ENTITY_TYPE_IT: 1781 case SDCA_ENTITY_TYPE_OT: 1782 ret = find_sdca_entity_connection_iot(dev, function, 1783 entity_node, entity); 1784 break; 1785 case SDCA_ENTITY_TYPE_PDE: 1786 ret = find_sdca_entity_connection_pde(dev, function, 1787 entity_node, entity); 1788 break; 1789 case SDCA_ENTITY_TYPE_GE: 1790 ret = find_sdca_entity_connection_ge(dev, function, 1791 entity_node, entity); 1792 break; 1793 default: 1794 ret = 0; 1795 break; 1796 } 1797 if (ret) 1798 return ret; 1799 1800 ret = fwnode_property_read_u64(entity_node, "mipi-sdca-input-pin-list", &pin_list); 1801 if (ret == -EINVAL) { 1802 /* Allow missing pin lists, assume no pins. */ 1803 return 0; 1804 } else if (ret) { 1805 dev_err(dev, "%s: failed to read pin list: %d\n", entity->label, ret); 1806 return ret; 1807 } else if (pin_list & BIT(0)) { 1808 /* 1809 * Each bit set in the pin-list refers to an entity_id in this 1810 * Function. Entity 0 is an illegal connection since it is used 1811 * for Function-level configurations. 1812 */ 1813 dev_err(dev, "%s: pin 0 used as input\n", entity->label); 1814 return -EINVAL; 1815 } else if (!pin_list) { 1816 return 0; 1817 } 1818 1819 num_pins = hweight64(pin_list); 1820 pins = devm_kcalloc(dev, num_pins, sizeof(*pins), GFP_KERNEL); 1821 if (!pins) 1822 return -ENOMEM; 1823 1824 i = 0; 1825 for_each_set_bit(pin, (unsigned long *)&pin_list, BITS_PER_TYPE(pin_list)) { 1826 char pin_property[SDCA_PROPERTY_LENGTH]; 1827 struct fwnode_handle *connected_node; 1828 struct sdca_entity *connected_entity; 1829 const char *connected_label; 1830 1831 snprintf(pin_property, sizeof(pin_property), "mipi-sdca-input-pin-%d", pin); 1832 1833 connected_node = fwnode_get_named_child_node(entity_node, pin_property); 1834 if (!connected_node) { 1835 dev_err(dev, "%s: pin node %s not found\n", 1836 entity->label, pin_property); 1837 return -EINVAL; 1838 } 1839 1840 ret = fwnode_property_read_string(connected_node, "mipi-sdca-entity-label", 1841 &connected_label); 1842 if (ret) { 1843 dev_err(dev, "%s: pin %d label missing: %d\n", 1844 entity->label, pin, ret); 1845 fwnode_handle_put(connected_node); 1846 return ret; 1847 } 1848 1849 connected_entity = find_sdca_entity_by_label(function, connected_label); 1850 if (!connected_entity) { 1851 dev_err(dev, "%s: failed to find entity with label %s\n", 1852 entity->label, connected_label); 1853 fwnode_handle_put(connected_node); 1854 return -EINVAL; 1855 } 1856 1857 pins[i] = connected_entity; 1858 1859 dev_dbg(dev, "%s -> %s\n", connected_entity->label, entity->label); 1860 1861 i++; 1862 fwnode_handle_put(connected_node); 1863 } 1864 1865 entity->num_sources = num_pins; 1866 entity->sources = pins; 1867 1868 return 0; 1869 } 1870 1871 static int find_sdca_connections(struct device *dev, 1872 struct fwnode_handle *function_node, 1873 struct sdca_function_data *function) 1874 { 1875 int i; 1876 1877 /* Entity 0 cannot have connections */ 1878 for (i = 0; i < function->num_entities - 1; i++) { 1879 struct sdca_entity *entity = &function->entities[i]; 1880 char entity_property[SDCA_PROPERTY_LENGTH]; 1881 struct fwnode_handle *entity_node; 1882 int ret; 1883 1884 /* DisCo uses upper-case for hex numbers */ 1885 snprintf(entity_property, sizeof(entity_property), 1886 "mipi-sdca-entity-id-0x%X-subproperties", 1887 entity->id); 1888 1889 entity_node = fwnode_get_named_child_node(function_node, entity_property); 1890 if (!entity_node) { 1891 dev_err(dev, "%pfwP: entity node %s not found\n", 1892 function_node, entity_property); 1893 return -EINVAL; 1894 } 1895 1896 ret = find_sdca_entity_connection(dev, function, entity_node, entity); 1897 fwnode_handle_put(entity_node); 1898 if (ret) 1899 return ret; 1900 } 1901 1902 return 0; 1903 } 1904 1905 static int find_sdca_cluster_channel(struct device *dev, 1906 struct sdca_cluster *cluster, 1907 struct fwnode_handle *channel_node, 1908 struct sdca_channel *channel) 1909 { 1910 u32 tmp; 1911 int ret; 1912 1913 ret = fwnode_property_read_u32(channel_node, "mipi-sdca-cluster-channel-id", &tmp); 1914 if (ret) { 1915 dev_err(dev, "cluster %#x: missing channel id: %d\n", 1916 cluster->id, ret); 1917 return ret; 1918 } 1919 1920 channel->id = tmp; 1921 1922 ret = fwnode_property_read_u32(channel_node, 1923 "mipi-sdca-cluster-channel-purpose", 1924 &tmp); 1925 if (ret) { 1926 dev_err(dev, "cluster %#x: channel %#x: missing purpose: %d\n", 1927 cluster->id, channel->id, ret); 1928 return ret; 1929 } 1930 1931 channel->purpose = tmp; 1932 1933 ret = fwnode_property_read_u32(channel_node, 1934 "mipi-sdca-cluster-channel-relationship", 1935 &tmp); 1936 if (ret) { 1937 dev_err(dev, "cluster %#x: channel %#x: missing relationship: %d\n", 1938 cluster->id, channel->id, ret); 1939 return ret; 1940 } 1941 1942 channel->relationship = tmp; 1943 1944 dev_dbg(dev, "cluster %#x: channel id %#x purpose %#x relationship %#x\n", 1945 cluster->id, channel->id, channel->purpose, channel->relationship); 1946 1947 return 0; 1948 } 1949 1950 static int find_sdca_cluster_channels(struct device *dev, 1951 struct fwnode_handle *cluster_node, 1952 struct sdca_cluster *cluster) 1953 { 1954 struct sdca_channel *channels; 1955 u32 num_channels; 1956 int i, ret; 1957 1958 ret = fwnode_property_read_u32(cluster_node, "mipi-sdca-channel-count", 1959 &num_channels); 1960 if (ret < 0) { 1961 dev_err(dev, "cluster %#x: failed to read channel list: %d\n", 1962 cluster->id, ret); 1963 return ret; 1964 } else if (num_channels > SDCA_MAX_CHANNEL_COUNT) { 1965 dev_err(dev, "cluster %#x: maximum number of channels exceeded\n", 1966 cluster->id); 1967 return -EINVAL; 1968 } 1969 1970 channels = devm_kcalloc(dev, num_channels, sizeof(*channels), GFP_KERNEL); 1971 if (!channels) 1972 return -ENOMEM; 1973 1974 for (i = 0; i < num_channels; i++) { 1975 char channel_property[SDCA_PROPERTY_LENGTH]; 1976 struct fwnode_handle *channel_node; 1977 1978 /* DisCo uses upper-case for hex numbers */ 1979 snprintf(channel_property, sizeof(channel_property), 1980 "mipi-sdca-channel-%d-subproperties", i + 1); 1981 1982 channel_node = fwnode_get_named_child_node(cluster_node, channel_property); 1983 if (!channel_node) { 1984 dev_err(dev, "cluster %#x: channel node %s not found\n", 1985 cluster->id, channel_property); 1986 return -EINVAL; 1987 } 1988 1989 ret = find_sdca_cluster_channel(dev, cluster, channel_node, &channels[i]); 1990 fwnode_handle_put(channel_node); 1991 if (ret) 1992 return ret; 1993 } 1994 1995 cluster->num_channels = num_channels; 1996 cluster->channels = channels; 1997 1998 return 0; 1999 } 2000 2001 static int find_sdca_clusters(struct device *dev, 2002 struct fwnode_handle *function_node, 2003 struct sdca_function_data *function) 2004 { 2005 struct sdca_cluster *clusters; 2006 int num_clusters; 2007 int i, ret; 2008 2009 num_clusters = fwnode_property_count_u32(function_node, "mipi-sdca-cluster-id-list"); 2010 if (!num_clusters || num_clusters == -EINVAL) { 2011 return 0; 2012 } else if (num_clusters < 0) { 2013 dev_err(dev, "%pfwP: failed to read cluster id list: %d\n", 2014 function_node, num_clusters); 2015 return num_clusters; 2016 } else if (num_clusters > SDCA_MAX_CLUSTER_COUNT) { 2017 dev_err(dev, "%pfwP: maximum number of clusters exceeded\n", function_node); 2018 return -EINVAL; 2019 } 2020 2021 clusters = devm_kcalloc(dev, num_clusters, sizeof(*clusters), GFP_KERNEL); 2022 if (!clusters) 2023 return -ENOMEM; 2024 2025 u32 *cluster_list __free(kfree) = kcalloc(num_clusters, sizeof(*cluster_list), 2026 GFP_KERNEL); 2027 if (!cluster_list) 2028 return -ENOMEM; 2029 2030 fwnode_property_read_u32_array(function_node, "mipi-sdca-cluster-id-list", 2031 cluster_list, num_clusters); 2032 2033 for (i = 0; i < num_clusters; i++) 2034 clusters[i].id = cluster_list[i]; 2035 2036 /* now read subproperties */ 2037 for (i = 0; i < num_clusters; i++) { 2038 char cluster_property[SDCA_PROPERTY_LENGTH]; 2039 struct fwnode_handle *cluster_node; 2040 2041 /* DisCo uses upper-case for hex numbers */ 2042 snprintf(cluster_property, sizeof(cluster_property), 2043 "mipi-sdca-cluster-id-0x%X-subproperties", clusters[i].id); 2044 2045 cluster_node = fwnode_get_named_child_node(function_node, cluster_property); 2046 if (!cluster_node) { 2047 dev_err(dev, "%pfwP: cluster node %s not found\n", 2048 function_node, cluster_property); 2049 return -EINVAL; 2050 } 2051 2052 ret = find_sdca_cluster_channels(dev, cluster_node, &clusters[i]); 2053 fwnode_handle_put(cluster_node); 2054 if (ret) 2055 return ret; 2056 } 2057 2058 function->num_clusters = num_clusters; 2059 function->clusters = clusters; 2060 2061 return 0; 2062 } 2063 2064 static int find_sdca_filesets(struct device *dev, struct sdw_slave *sdw, 2065 struct fwnode_handle *function_node, 2066 struct sdca_function_data *function) 2067 { 2068 static const int mult_fileset = 3; 2069 char fileset_name[SDCA_PROPERTY_LENGTH]; 2070 struct sdca_fdl_set *sets; 2071 int num_sets; 2072 int i, j; 2073 2074 num_sets = fwnode_property_count_u32(function_node, 2075 "mipi-sdca-file-set-id-list"); 2076 if (num_sets == 0 || num_sets == -EINVAL) { 2077 dev_dbg(dev, "%pfwP: file set id list missing\n", function_node); 2078 return 0; 2079 } else if (num_sets < 0) { 2080 dev_err(dev, "%pfwP: failed to read file set list: %d\n", 2081 function_node, num_sets); 2082 return num_sets; 2083 } 2084 2085 u32 *filesets_list __free(kfree) = kcalloc(num_sets, sizeof(u32), 2086 GFP_KERNEL); 2087 if (!filesets_list) 2088 return -ENOMEM; 2089 2090 fwnode_property_read_u32_array(function_node, "mipi-sdca-file-set-id-list", 2091 filesets_list, num_sets); 2092 2093 sets = devm_kcalloc(dev, num_sets, sizeof(*sets), GFP_KERNEL); 2094 if (!sets) 2095 return -ENOMEM; 2096 2097 for (i = 0; i < num_sets; i++) { 2098 struct sdca_fdl_set *set = &sets[i]; 2099 struct sdca_fdl_file *files; 2100 int num_files, num_entries; 2101 2102 snprintf(fileset_name, sizeof(fileset_name), 2103 "mipi-sdca-file-set-id-0x%X", filesets_list[i]); 2104 2105 num_entries = fwnode_property_count_u32(function_node, fileset_name); 2106 if (num_entries <= 0) { 2107 dev_err(dev, "%pfwP: file set %d missing entries: %d\n", 2108 function_node, filesets_list[i], num_entries); 2109 return -EINVAL; 2110 } else if (num_entries % mult_fileset != 0) { 2111 dev_err(dev, "%pfwP: file set %d files not multiple of %d\n", 2112 function_node, filesets_list[i], mult_fileset); 2113 return -EINVAL; 2114 } 2115 2116 dev_dbg(dev, "fileset: %#x\n", filesets_list[i]); 2117 2118 files = devm_kcalloc(dev, num_entries / mult_fileset, 2119 sizeof(*files), GFP_KERNEL); 2120 if (!files) 2121 return -ENOMEM; 2122 2123 u32 *fileset_entries __free(kfree) = kcalloc(num_entries, sizeof(u32), 2124 GFP_KERNEL); 2125 if (!fileset_entries) 2126 return -ENOMEM; 2127 2128 fwnode_property_read_u32_array(function_node, fileset_name, 2129 fileset_entries, num_entries); 2130 2131 for (j = 0, num_files = 0; j < num_entries; num_files++) { 2132 struct sdca_fdl_file *file = &files[num_files]; 2133 2134 file->vendor_id = fileset_entries[j++]; 2135 file->file_id = fileset_entries[j++]; 2136 file->fdl_offset = fileset_entries[j++]; 2137 2138 dev_dbg(dev, "file: %#x, vendor: %#x, offset: %#x\n", 2139 file->file_id, file->vendor_id, file->fdl_offset); 2140 } 2141 2142 set->id = filesets_list[i]; 2143 set->num_files = num_files; 2144 set->files = files; 2145 } 2146 2147 function->fdl_data.swft = sdw->sdca_data.swft; 2148 function->fdl_data.num_sets = num_sets; 2149 function->fdl_data.sets = sets; 2150 2151 return 0; 2152 } 2153 2154 /** 2155 * sdca_parse_function - parse ACPI DisCo for a Function 2156 * @dev: Pointer to device against which function data will be allocated. 2157 * @sdw: SoundWire slave device to be processed. 2158 * @function_desc: Pointer to the Function short descriptor. 2159 * @function: Pointer to the Function information, to be populated. 2160 * 2161 * Return: Returns 0 for success. 2162 */ 2163 int sdca_parse_function(struct device *dev, struct sdw_slave *sdw, 2164 struct sdca_function_desc *function_desc, 2165 struct sdca_function_data *function) 2166 { 2167 u32 tmp; 2168 int ret; 2169 2170 function->desc = function_desc; 2171 2172 ret = fwnode_property_read_u32(function_desc->node, 2173 "mipi-sdca-function-busy-max-delay", &tmp); 2174 if (!ret) 2175 function->busy_max_delay = tmp; 2176 2177 ret = fwnode_property_read_u32(function_desc->node, 2178 "mipi-sdca-function-reset-max-delay", &tmp); 2179 if (!ret) 2180 function->reset_max_delay = tmp; 2181 2182 dev_dbg(dev, "%pfwP: name %s busy delay %dus reset delay %dus\n", 2183 function->desc->node, function->desc->name, 2184 function->busy_max_delay, function->reset_max_delay); 2185 2186 ret = find_sdca_init_table(dev, function_desc->node, function); 2187 if (ret) 2188 return ret; 2189 2190 ret = find_sdca_entities(dev, sdw, function_desc->node, function); 2191 if (ret) 2192 return ret; 2193 2194 ret = find_sdca_connections(dev, function_desc->node, function); 2195 if (ret) 2196 return ret; 2197 2198 ret = find_sdca_clusters(dev, function_desc->node, function); 2199 if (ret < 0) 2200 return ret; 2201 2202 ret = find_sdca_filesets(dev, sdw, function_desc->node, function); 2203 if (ret) 2204 return ret; 2205 2206 return 0; 2207 } 2208 EXPORT_SYMBOL_NS(sdca_parse_function, "SND_SOC_SDCA"); 2209 2210 const char *sdca_find_terminal_name(enum sdca_terminal_type type) 2211 { 2212 switch (type) { 2213 case SDCA_TERM_TYPE_LINEIN_STEREO: 2214 return SDCA_TERM_TYPE_LINEIN_STEREO_NAME; 2215 case SDCA_TERM_TYPE_LINEIN_FRONT_LR: 2216 return SDCA_TERM_TYPE_LINEIN_FRONT_LR_NAME; 2217 case SDCA_TERM_TYPE_LINEIN_CENTER_LFE: 2218 return SDCA_TERM_TYPE_LINEIN_CENTER_LFE_NAME; 2219 case SDCA_TERM_TYPE_LINEIN_SURROUND_LR: 2220 return SDCA_TERM_TYPE_LINEIN_SURROUND_LR_NAME; 2221 case SDCA_TERM_TYPE_LINEIN_REAR_LR: 2222 return SDCA_TERM_TYPE_LINEIN_REAR_LR_NAME; 2223 case SDCA_TERM_TYPE_LINEOUT_STEREO: 2224 return SDCA_TERM_TYPE_LINEOUT_STEREO_NAME; 2225 case SDCA_TERM_TYPE_LINEOUT_FRONT_LR: 2226 return SDCA_TERM_TYPE_LINEOUT_FRONT_LR_NAME; 2227 case SDCA_TERM_TYPE_LINEOUT_CENTER_LFE: 2228 return SDCA_TERM_TYPE_LINEOUT_CENTER_LFE_NAME; 2229 case SDCA_TERM_TYPE_LINEOUT_SURROUND_LR: 2230 return SDCA_TERM_TYPE_LINEOUT_SURROUND_LR_NAME; 2231 case SDCA_TERM_TYPE_LINEOUT_REAR_LR: 2232 return SDCA_TERM_TYPE_LINEOUT_REAR_LR_NAME; 2233 case SDCA_TERM_TYPE_MIC_JACK: 2234 return SDCA_TERM_TYPE_MIC_JACK_NAME; 2235 case SDCA_TERM_TYPE_STEREO_JACK: 2236 return SDCA_TERM_TYPE_STEREO_JACK_NAME; 2237 case SDCA_TERM_TYPE_FRONT_LR_JACK: 2238 return SDCA_TERM_TYPE_FRONT_LR_JACK_NAME; 2239 case SDCA_TERM_TYPE_CENTER_LFE_JACK: 2240 return SDCA_TERM_TYPE_CENTER_LFE_JACK_NAME; 2241 case SDCA_TERM_TYPE_SURROUND_LR_JACK: 2242 return SDCA_TERM_TYPE_SURROUND_LR_JACK_NAME; 2243 case SDCA_TERM_TYPE_REAR_LR_JACK: 2244 return SDCA_TERM_TYPE_REAR_LR_JACK_NAME; 2245 case SDCA_TERM_TYPE_HEADPHONE_JACK: 2246 return SDCA_TERM_TYPE_HEADPHONE_JACK_NAME; 2247 case SDCA_TERM_TYPE_HEADSET_JACK: 2248 return SDCA_TERM_TYPE_HEADSET_JACK_NAME; 2249 default: 2250 return NULL; 2251 } 2252 } 2253 EXPORT_SYMBOL_NS(sdca_find_terminal_name, "SND_SOC_SDCA"); 2254 2255 struct sdca_control *sdca_selector_find_control(struct device *dev, 2256 struct sdca_entity *entity, 2257 const int sel) 2258 { 2259 int i; 2260 2261 for (i = 0; i < entity->num_controls; i++) { 2262 struct sdca_control *control = &entity->controls[i]; 2263 2264 if (control->sel == sel) 2265 return control; 2266 } 2267 2268 dev_err(dev, "%s: control %#x: missing\n", entity->label, sel); 2269 return NULL; 2270 } 2271 EXPORT_SYMBOL_NS(sdca_selector_find_control, "SND_SOC_SDCA"); 2272 2273 struct sdca_control_range *sdca_control_find_range(struct device *dev, 2274 struct sdca_entity *entity, 2275 struct sdca_control *control, 2276 int cols, int rows) 2277 { 2278 struct sdca_control_range *range = &control->range; 2279 2280 if ((cols && range->cols != cols) || (rows && range->rows != rows) || 2281 !range->data) { 2282 dev_err(dev, "%s: control %#x: ranges invalid (%d,%d)\n", 2283 entity->label, control->sel, range->cols, range->rows); 2284 return NULL; 2285 } 2286 2287 return range; 2288 } 2289 EXPORT_SYMBOL_NS(sdca_control_find_range, "SND_SOC_SDCA"); 2290 2291 struct sdca_control_range *sdca_selector_find_range(struct device *dev, 2292 struct sdca_entity *entity, 2293 int sel, int cols, int rows) 2294 { 2295 struct sdca_control *control; 2296 2297 control = sdca_selector_find_control(dev, entity, sel); 2298 if (!control) 2299 return NULL; 2300 2301 return sdca_control_find_range(dev, entity, control, cols, rows); 2302 } 2303 EXPORT_SYMBOL_NS(sdca_selector_find_range, "SND_SOC_SDCA"); 2304 2305 struct sdca_cluster *sdca_id_find_cluster(struct device *dev, 2306 struct sdca_function_data *function, 2307 const int id) 2308 { 2309 int i; 2310 2311 for (i = 0; i < function->num_clusters; i++) { 2312 struct sdca_cluster *cluster = &function->clusters[i]; 2313 2314 if (cluster->id == id) 2315 return cluster; 2316 } 2317 2318 dev_err(dev, "%s: cluster %#x: missing\n", function->desc->name, id); 2319 return NULL; 2320 } 2321 EXPORT_SYMBOL_NS(sdca_id_find_cluster, "SND_SOC_SDCA"); 2322 2323 MODULE_LICENSE("Dual BSD/GPL"); 2324 MODULE_DESCRIPTION("SDCA library"); 2325