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 i, 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; 162 163 for (i = 0; i < function_index; i++) { 164 if (sdca_data->function[i].type == function_type) { 165 sdca_data->function[function_index].duplicate = true; 166 break; 167 } 168 } 169 170 sdca_data->function[function_index].adr = addr; 171 sdca_data->function[function_index].type = function_type; 172 sdca_data->function[function_index].name = function_name; 173 sdca_data->function[function_index].node = function_node; 174 sdca_data->num_functions++; 175 176 return 0; 177 } 178 179 /** 180 * sdca_lookup_functions - Parse sdca_device_desc for each Function 181 * @slave: SoundWire slave device to be processed. 182 * 183 * Iterate through the available SDCA Functions and fill in a short 184 * descriptor (struct sdca_function_desc) for each function, this 185 * information is stored along with the SoundWire slave device and 186 * used for adding drivers and quirks before the devices have fully 187 * probed. 188 */ 189 void sdca_lookup_functions(struct sdw_slave *slave) 190 { 191 struct device *sdev = &slave->dev; 192 struct acpi_device *adev = to_acpi_device_node(sdev->fwnode); 193 194 if (!adev) { 195 dev_info(sdev, "no matching ACPI device found, ignoring peripheral\n"); 196 return; 197 } 198 199 acpi_dev_for_each_child(adev, find_sdca_function, &slave->sdca_data); 200 } 201 EXPORT_SYMBOL_NS(sdca_lookup_functions, "SND_SOC_SDCA"); 202 203 struct raw_init_write { 204 __le32 addr; 205 u8 val; 206 } __packed; 207 208 static int find_sdca_init_table(struct device *dev, 209 struct fwnode_handle *function_node, 210 struct sdca_function_data *function) 211 { 212 struct raw_init_write *raw __free(kfree) = NULL; 213 struct sdca_init_write *init_write; 214 int i, num_init_writes; 215 216 num_init_writes = fwnode_property_count_u8(function_node, 217 "mipi-sdca-function-initialization-table"); 218 if (!num_init_writes || num_init_writes == -EINVAL) { 219 return 0; 220 } else if (num_init_writes < 0) { 221 dev_err(dev, "%pfwP: failed to read initialization table: %d\n", 222 function_node, num_init_writes); 223 return num_init_writes; 224 } else if (num_init_writes % sizeof(*raw) != 0) { 225 dev_err(dev, "%pfwP: init table size invalid\n", function_node); 226 return -EINVAL; 227 } 228 229 raw = kzalloc(num_init_writes, GFP_KERNEL); 230 if (!raw) 231 return -ENOMEM; 232 233 fwnode_property_read_u8_array(function_node, 234 "mipi-sdca-function-initialization-table", 235 (u8 *)raw, num_init_writes); 236 237 num_init_writes /= sizeof(*raw); 238 239 init_write = devm_kcalloc(dev, num_init_writes, sizeof(*init_write), GFP_KERNEL); 240 if (!init_write) 241 return -ENOMEM; 242 243 for (i = 0; i < num_init_writes; i++) { 244 init_write[i].addr = le32_to_cpu(raw[i].addr); 245 init_write[i].val = raw[i].val; 246 } 247 248 function->num_init_table = num_init_writes; 249 function->init_table = init_write; 250 251 return 0; 252 } 253 254 static const char *find_sdca_control_label(struct device *dev, 255 const struct sdca_entity *entity, 256 const struct sdca_control *control) 257 { 258 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 259 case SDCA_CTL_TYPE_S(IT, MIC_BIAS): 260 return SDCA_CTL_MIC_BIAS_NAME; 261 case SDCA_CTL_TYPE_S(IT, USAGE): 262 case SDCA_CTL_TYPE_S(OT, USAGE): 263 return SDCA_CTL_USAGE_NAME; 264 case SDCA_CTL_TYPE_S(IT, LATENCY): 265 case SDCA_CTL_TYPE_S(OT, LATENCY): 266 case SDCA_CTL_TYPE_S(MU, LATENCY): 267 case SDCA_CTL_TYPE_S(SU, LATENCY): 268 case SDCA_CTL_TYPE_S(FU, LATENCY): 269 case SDCA_CTL_TYPE_S(XU, LATENCY): 270 case SDCA_CTL_TYPE_S(CRU, LATENCY): 271 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 272 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 273 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 274 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 275 case SDCA_CTL_TYPE_S(PPU, LATENCY): 276 return SDCA_CTL_LATENCY_NAME; 277 case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): 278 case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): 279 case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): 280 case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): 281 return SDCA_CTL_CLUSTERINDEX_NAME; 282 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 283 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 284 return SDCA_CTL_DATAPORT_SELECTOR_NAME; 285 case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): 286 case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): 287 case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): 288 return SDCA_CTL_MATCHING_GUID_NAME; 289 case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): 290 case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): 291 return SDCA_CTL_KEEP_ALIVE_NAME; 292 case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): 293 case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): 294 return SDCA_CTL_NDAI_STREAM_NAME; 295 case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): 296 case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): 297 return SDCA_CTL_NDAI_CATEGORY_NAME; 298 case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): 299 case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): 300 return SDCA_CTL_NDAI_CODINGTYPE_NAME; 301 case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): 302 case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): 303 return SDCA_CTL_NDAI_PACKETTYPE_NAME; 304 case SDCA_CTL_TYPE_S(MU, MIXER): 305 return SDCA_CTL_MIXER_NAME; 306 case SDCA_CTL_TYPE_S(SU, SELECTOR): 307 return SDCA_CTL_SELECTOR_NAME; 308 case SDCA_CTL_TYPE_S(FU, MUTE): 309 return SDCA_CTL_MUTE_NAME; 310 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 311 return SDCA_CTL_CHANNEL_VOLUME_NAME; 312 case SDCA_CTL_TYPE_S(FU, AGC): 313 return SDCA_CTL_AGC_NAME; 314 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 315 return SDCA_CTL_BASS_BOOST_NAME; 316 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 317 return SDCA_CTL_LOUDNESS_NAME; 318 case SDCA_CTL_TYPE_S(FU, GAIN): 319 return SDCA_CTL_GAIN_NAME; 320 case SDCA_CTL_TYPE_S(XU, BYPASS): 321 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 322 return SDCA_CTL_BYPASS_NAME; 323 case SDCA_CTL_TYPE_S(XU, XU_ID): 324 return SDCA_CTL_XU_ID_NAME; 325 case SDCA_CTL_TYPE_S(XU, XU_VERSION): 326 return SDCA_CTL_XU_VERSION_NAME; 327 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 328 return SDCA_CTL_FDL_CURRENTOWNER_NAME; 329 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 330 return SDCA_CTL_FDL_MESSAGEOFFSET_NAME; 331 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 332 return SDCA_CTL_FDL_MESSAGELENGTH_NAME; 333 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 334 return SDCA_CTL_FDL_STATUS_NAME; 335 case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): 336 return SDCA_CTL_FDL_SET_INDEX_NAME; 337 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 338 return SDCA_CTL_FDL_HOST_REQUEST_NAME; 339 case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): 340 return SDCA_CTL_CLOCK_VALID_NAME; 341 case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): 342 return SDCA_CTL_SAMPLERATEINDEX_NAME; 343 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 344 return SDCA_CTL_CLOCK_SELECT_NAME; 345 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 346 return SDCA_CTL_REQUESTED_PS_NAME; 347 case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): 348 return SDCA_CTL_ACTUAL_PS_NAME; 349 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 350 return SDCA_CTL_SELECTED_MODE_NAME; 351 case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): 352 return SDCA_CTL_DETECTED_MODE_NAME; 353 case SDCA_CTL_TYPE_S(SPE, PRIVATE): 354 return SDCA_CTL_PRIVATE_NAME; 355 case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): 356 return SDCA_CTL_PRIVACY_POLICY_NAME; 357 case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): 358 return SDCA_CTL_PRIVACY_LOCKSTATE_NAME; 359 case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): 360 return SDCA_CTL_PRIVACY_OWNER_NAME; 361 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 362 return SDCA_CTL_AUTHTX_CURRENTOWNER_NAME; 363 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 364 return SDCA_CTL_AUTHTX_MESSAGEOFFSET_NAME; 365 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 366 return SDCA_CTL_AUTHTX_MESSAGELENGTH_NAME; 367 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 368 return SDCA_CTL_AUTHRX_CURRENTOWNER_NAME; 369 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 370 return SDCA_CTL_AUTHRX_MESSAGEOFFSET_NAME; 371 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 372 return SDCA_CTL_AUTHRX_MESSAGELENGTH_NAME; 373 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 374 return SDCA_CTL_ACOUSTIC_ENERGY_LEVEL_MONITOR_NAME; 375 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 376 return SDCA_CTL_ULTRASOUND_LOOP_GAIN_NAME; 377 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): 378 return SDCA_CTL_OPAQUESET_0_NAME; 379 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): 380 return SDCA_CTL_OPAQUESET_1_NAME; 381 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): 382 return SDCA_CTL_OPAQUESET_2_NAME; 383 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): 384 return SDCA_CTL_OPAQUESET_3_NAME; 385 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): 386 return SDCA_CTL_OPAQUESET_4_NAME; 387 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): 388 return SDCA_CTL_OPAQUESET_5_NAME; 389 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): 390 return SDCA_CTL_OPAQUESET_6_NAME; 391 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): 392 return SDCA_CTL_OPAQUESET_7_NAME; 393 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): 394 return SDCA_CTL_OPAQUESET_8_NAME; 395 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): 396 return SDCA_CTL_OPAQUESET_9_NAME; 397 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): 398 return SDCA_CTL_OPAQUESET_10_NAME; 399 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): 400 return SDCA_CTL_OPAQUESET_11_NAME; 401 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): 402 return SDCA_CTL_OPAQUESET_12_NAME; 403 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): 404 return SDCA_CTL_OPAQUESET_13_NAME; 405 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): 406 return SDCA_CTL_OPAQUESET_14_NAME; 407 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): 408 return SDCA_CTL_OPAQUESET_15_NAME; 409 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): 410 return SDCA_CTL_OPAQUESET_16_NAME; 411 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): 412 return SDCA_CTL_OPAQUESET_17_NAME; 413 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): 414 return SDCA_CTL_OPAQUESET_18_NAME; 415 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): 416 return SDCA_CTL_OPAQUESET_19_NAME; 417 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): 418 return SDCA_CTL_OPAQUESET_20_NAME; 419 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): 420 return SDCA_CTL_OPAQUESET_21_NAME; 421 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): 422 return SDCA_CTL_OPAQUESET_22_NAME; 423 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): 424 return SDCA_CTL_OPAQUESET_23_NAME; 425 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): 426 return SDCA_CTL_ALGORITHM_READY_NAME; 427 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): 428 return SDCA_CTL_ALGORITHM_ENABLE_NAME; 429 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): 430 return SDCA_CTL_ALGORITHM_PREPARE_NAME; 431 case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): 432 return SDCA_CTL_CENTER_FREQUENCY_INDEX_NAME; 433 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 434 return SDCA_CTL_ULTRASOUND_LEVEL_NAME; 435 case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): 436 return SDCA_CTL_AE_NUMBER_NAME; 437 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 438 return SDCA_CTL_AE_CURRENTOWNER_NAME; 439 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 440 return SDCA_CTL_AE_MESSAGEOFFSET_NAME; 441 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 442 return SDCA_CTL_AE_MESSAGELENGTH_NAME; 443 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 444 return SDCA_CTL_TRIGGER_ENABLE_NAME; 445 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): 446 return SDCA_CTL_TRIGGER_STATUS_NAME; 447 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): 448 return SDCA_CTL_HIST_BUFFER_MODE_NAME; 449 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): 450 return SDCA_CTL_HIST_BUFFER_PREAMBLE_NAME; 451 case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): 452 return SDCA_CTL_HIST_ERROR_NAME; 453 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_EXTENSION): 454 return SDCA_CTL_TRIGGER_EXTENSION_NAME; 455 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): 456 return SDCA_CTL_TRIGGER_READY_NAME; 457 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 458 return SDCA_CTL_HIST_CURRENTOWNER_NAME; 459 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 460 return SDCA_CTL_HIST_MESSAGEOFFSET_NAME; 461 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 462 return SDCA_CTL_HIST_MESSAGELENGTH_NAME; 463 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 464 return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; 465 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 466 return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; 467 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 468 return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; 469 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 470 return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; 471 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 472 return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; 473 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 474 return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; 475 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): 476 return SDCA_CTL_PROTECTION_MODE_NAME; 477 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): 478 return SDCA_CTL_PROTECTION_STATUS_NAME; 479 case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): 480 return SDCA_CTL_OPAQUESETREQ_INDEX_NAME; 481 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 482 return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; 483 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 484 return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; 485 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 486 return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; 487 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 488 return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; 489 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 490 return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; 491 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 492 return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; 493 case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): 494 return SDCA_CTL_POSTURENUMBER_NAME; 495 case SDCA_CTL_TYPE_S(PPU, POSTUREEXTENSION): 496 return SDCA_CTL_POSTUREEXTENSION_NAME; 497 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 498 return SDCA_CTL_HORIZONTALBALANCE_NAME; 499 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 500 return SDCA_CTL_VERTICALBALANCE_NAME; 501 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 502 return SDCA_CTL_TONE_DIVIDER_NAME; 503 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 504 return SDCA_CTL_HIDTX_CURRENTOWNER_NAME; 505 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 506 return SDCA_CTL_HIDTX_MESSAGEOFFSET_NAME; 507 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 508 return SDCA_CTL_HIDTX_MESSAGELENGTH_NAME; 509 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 510 return SDCA_CTL_HIDRX_CURRENTOWNER_NAME; 511 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 512 return SDCA_CTL_HIDRX_MESSAGEOFFSET_NAME; 513 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 514 return SDCA_CTL_HIDRX_MESSAGELENGTH_NAME; 515 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 516 return SDCA_CTL_COMMIT_GROUP_MASK_NAME; 517 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): 518 return SDCA_CTL_FUNCTION_SDCA_VERSION_NAME; 519 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): 520 return SDCA_CTL_FUNCTION_TYPE_NAME; 521 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 522 return SDCA_CTL_FUNCTION_MANUFACTURER_ID_NAME; 523 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 524 return SDCA_CTL_FUNCTION_ID_NAME; 525 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): 526 return SDCA_CTL_FUNCTION_VERSION_NAME; 527 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 528 return SDCA_CTL_FUNCTION_EXTENSION_ID_NAME; 529 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): 530 return SDCA_CTL_FUNCTION_EXTENSION_VERSION_NAME; 531 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): 532 return SDCA_CTL_FUNCTION_STATUS_NAME; 533 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): 534 return SDCA_CTL_FUNCTION_ACTION_NAME; 535 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 536 return SDCA_CTL_DEVICE_MANUFACTURER_ID_NAME; 537 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 538 return SDCA_CTL_DEVICE_PART_ID_NAME; 539 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): 540 return SDCA_CTL_DEVICE_VERSION_NAME; 541 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): 542 return SDCA_CTL_DEVICE_SDCA_VERSION_NAME; 543 default: 544 return devm_kasprintf(dev, GFP_KERNEL, "Imp-Def %#x", control->sel); 545 } 546 } 547 548 static unsigned int find_sdca_control_bits(const struct sdca_entity *entity, 549 const struct sdca_control *control) 550 { 551 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 552 case SDCA_CTL_TYPE_S(IT, LATENCY): 553 case SDCA_CTL_TYPE_S(OT, LATENCY): 554 case SDCA_CTL_TYPE_S(MU, LATENCY): 555 case SDCA_CTL_TYPE_S(SU, LATENCY): 556 case SDCA_CTL_TYPE_S(FU, LATENCY): 557 case SDCA_CTL_TYPE_S(XU, LATENCY): 558 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 559 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 560 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 561 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 562 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 563 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 564 case SDCA_CTL_TYPE_S(CRU, LATENCY): 565 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 566 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 567 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 568 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 569 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 570 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 571 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 572 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 573 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 574 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 575 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 576 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 577 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 578 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 579 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 580 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 581 case SDCA_CTL_TYPE_S(PPU, LATENCY): 582 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 583 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 584 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 585 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 586 return 32; 587 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 588 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 589 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 590 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 591 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 592 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 593 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 594 case SDCA_CTL_TYPE_S(MU, MIXER): 595 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 596 case SDCA_CTL_TYPE_S(FU, GAIN): 597 case SDCA_CTL_TYPE_S(XU, XU_ID): 598 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 599 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 600 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 601 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 602 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 603 return 16; 604 case SDCA_CTL_TYPE_S(FU, MUTE): 605 case SDCA_CTL_TYPE_S(FU, AGC): 606 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 607 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 608 case SDCA_CTL_TYPE_S(XU, BYPASS): 609 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 610 return 1; 611 default: 612 return 8; 613 } 614 } 615 616 static enum sdca_control_datatype 617 find_sdca_control_datatype(const struct sdca_entity *entity, 618 const struct sdca_control *control) 619 { 620 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 621 case SDCA_CTL_TYPE_S(XU, BYPASS): 622 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 623 case SDCA_CTL_TYPE_S(FU, MUTE): 624 case SDCA_CTL_TYPE_S(FU, AGC): 625 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 626 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 627 return SDCA_CTL_DATATYPE_ONEBIT; 628 case SDCA_CTL_TYPE_S(IT, LATENCY): 629 case SDCA_CTL_TYPE_S(OT, LATENCY): 630 case SDCA_CTL_TYPE_S(MU, LATENCY): 631 case SDCA_CTL_TYPE_S(SU, LATENCY): 632 case SDCA_CTL_TYPE_S(FU, LATENCY): 633 case SDCA_CTL_TYPE_S(XU, LATENCY): 634 case SDCA_CTL_TYPE_S(CRU, LATENCY): 635 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 636 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 637 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 638 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 639 case SDCA_CTL_TYPE_S(PPU, LATENCY): 640 case SDCA_CTL_TYPE_S(SU, SELECTOR): 641 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): 642 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): 643 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): 644 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): 645 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): 646 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): 647 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): 648 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): 649 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): 650 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): 651 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): 652 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): 653 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): 654 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): 655 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): 656 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): 657 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): 658 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): 659 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): 660 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): 661 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): 662 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): 663 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): 664 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): 665 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): 666 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): 667 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 668 case SDCA_CTL_TYPE_S(XU, XU_ID): 669 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 670 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 671 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 672 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 673 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 674 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 675 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 676 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 677 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 678 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 679 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 680 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 681 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 682 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 683 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 684 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 685 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 686 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 687 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 688 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 689 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 690 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 691 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 692 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 693 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 694 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 695 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 696 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 697 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 698 return SDCA_CTL_DATATYPE_INTEGER; 699 case SDCA_CTL_TYPE_S(IT, MIC_BIAS): 700 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): 701 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 702 case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): 703 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): 704 return SDCA_CTL_DATATYPE_SPEC_ENCODED_VALUE; 705 case SDCA_CTL_TYPE_S(XU, XU_VERSION): 706 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): 707 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): 708 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): 709 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): 710 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): 711 return SDCA_CTL_DATATYPE_BCD; 712 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 713 case SDCA_CTL_TYPE_S(FU, GAIN): 714 case SDCA_CTL_TYPE_S(MU, MIXER): 715 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 716 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 717 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 718 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 719 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 720 return SDCA_CTL_DATATYPE_Q7P8DB; 721 case SDCA_CTL_TYPE_S(IT, USAGE): 722 case SDCA_CTL_TYPE_S(OT, USAGE): 723 case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): 724 case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): 725 case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): 726 case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): 727 case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): 728 case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): 729 case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): 730 case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): 731 case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): 732 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 733 case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): 734 return SDCA_CTL_DATATYPE_BYTEINDEX; 735 case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): 736 return SDCA_CTL_DATATYPE_POSTURENUMBER; 737 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 738 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 739 return SDCA_CTL_DATATYPE_DP_INDEX; 740 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): 741 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): 742 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): 743 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): 744 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 745 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): 746 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): 747 case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): 748 case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): 749 return SDCA_CTL_DATATYPE_BITINDEX; 750 case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): 751 case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): 752 case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): 753 case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): 754 case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): 755 case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): 756 case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): 757 case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): 758 case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): 759 case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): 760 case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): 761 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 762 case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): 763 case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): 764 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 765 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): 766 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): 767 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 768 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 769 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 770 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 771 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 772 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 773 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 774 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 775 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 776 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 777 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 778 return SDCA_CTL_DATATYPE_BITMAP; 779 case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): 780 case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): 781 case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): 782 return SDCA_CTL_DATATYPE_GUID; 783 default: 784 return SDCA_CTL_DATATYPE_IMPDEF; 785 } 786 } 787 788 static bool find_sdca_control_volatile(const struct sdca_entity *entity, 789 const struct sdca_control *control) 790 { 791 switch (control->mode) { 792 case SDCA_ACCESS_MODE_DC: 793 return false; 794 case SDCA_ACCESS_MODE_RO: 795 case SDCA_ACCESS_MODE_RW1S: 796 case SDCA_ACCESS_MODE_RW1C: 797 return true; 798 default: 799 break; 800 } 801 802 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 803 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 804 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 805 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 806 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 807 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 808 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 809 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 810 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 811 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 812 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 813 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 814 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 815 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 816 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 817 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 818 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 819 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 820 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 821 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 822 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 823 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 824 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 825 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 826 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 827 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 828 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 829 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 830 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 831 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 832 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 833 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 834 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 835 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 836 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 837 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 838 return true; 839 default: 840 return false; 841 } 842 } 843 844 static int find_sdca_control_range(struct device *dev, 845 struct fwnode_handle *control_node, 846 struct sdca_control_range *range) 847 { 848 u8 *range_list; 849 int num_range; 850 u16 *limits; 851 int i; 852 853 num_range = fwnode_property_count_u8(control_node, "mipi-sdca-control-range"); 854 if (!num_range || num_range == -EINVAL) 855 return 0; 856 else if (num_range < 0) 857 return num_range; 858 else if (num_range < 2 * sizeof(*limits)) 859 return -EINVAL; 860 861 range_list = devm_kcalloc(dev, num_range, sizeof(*range_list), GFP_KERNEL); 862 if (!range_list) 863 return -ENOMEM; 864 865 fwnode_property_read_u8_array(control_node, "mipi-sdca-control-range", 866 range_list, num_range); 867 868 limits = (u16 *)range_list; 869 870 range->cols = le16_to_cpu(limits[0]); 871 range->rows = le16_to_cpu(limits[1]); 872 range->data = (u32 *)&limits[2]; 873 874 num_range = (num_range - (2 * sizeof(*limits))) / sizeof(*range->data); 875 if (num_range != range->cols * range->rows) 876 return -EINVAL; 877 878 for (i = 0; i < num_range; i++) 879 range->data[i] = le32_to_cpu(range->data[i]); 880 881 return 0; 882 } 883 884 static int find_sdca_control_value(struct device *dev, struct sdca_entity *entity, 885 struct fwnode_handle *control_node, 886 struct sdca_control *control, 887 const char * const label) 888 { 889 char property[SDCA_PROPERTY_LENGTH]; 890 bool global = true; 891 int ret, cn, i; 892 u32 tmp; 893 894 snprintf(property, sizeof(property), "mipi-sdca-control-%s", label); 895 896 ret = fwnode_property_read_u32(control_node, property, &tmp); 897 if (ret == -EINVAL) 898 global = false; 899 else if (ret) 900 return ret; 901 902 i = 0; 903 for_each_set_bit(cn, (unsigned long *)&control->cn_list, 904 BITS_PER_TYPE(control->cn_list)) { 905 if (!global) { 906 snprintf(property, sizeof(property), 907 "mipi-sdca-control-cn-%d-%s", cn, label); 908 909 ret = fwnode_property_read_u32(control_node, property, &tmp); 910 if (ret) 911 return ret; 912 } 913 914 control->values[i] = tmp; 915 i++; 916 } 917 918 return 0; 919 } 920 921 static int find_sdca_control_reset(const struct sdca_entity *entity, 922 struct sdca_control *control) 923 { 924 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 925 case SDCA_CTL_TYPE_S(FU, AGC): 926 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 927 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 928 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 929 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 930 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 931 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 932 control->has_reset = true; 933 control->reset = 0; 934 break; 935 case SDCA_CTL_TYPE_S(XU, BYPASS): 936 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 937 case SDCA_CTL_TYPE_S(FU, MUTE): 938 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 939 control->has_reset = true; 940 control->reset = 1; 941 break; 942 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 943 control->has_reset = true; 944 control->reset = 3; 945 break; 946 default: 947 break; 948 } 949 950 return 0; 951 } 952 953 static int find_sdca_entity_control(struct device *dev, struct sdca_entity *entity, 954 struct fwnode_handle *control_node, 955 struct sdca_control *control) 956 { 957 u32 tmp; 958 int ret; 959 960 ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-mode", &tmp); 961 if (ret) { 962 dev_err(dev, "%s: control %#x: access mode missing: %d\n", 963 entity->label, control->sel, ret); 964 return ret; 965 } 966 967 control->mode = tmp; 968 969 ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-layer", &tmp); 970 if (ret) { 971 dev_err(dev, "%s: control %#x: access layer missing: %d\n", 972 entity->label, control->sel, ret); 973 return ret; 974 } 975 976 control->layers = tmp; 977 978 ret = fwnode_property_read_u64(control_node, "mipi-sdca-control-cn-list", 979 &control->cn_list); 980 if (ret == -EINVAL) { 981 /* Spec allows not specifying cn-list if only the first number is used */ 982 control->cn_list = 0x1; 983 } else if (ret || !control->cn_list) { 984 dev_err(dev, "%s: control %#x: cn list missing: %d\n", 985 entity->label, control->sel, ret); 986 return ret; 987 } 988 989 control->values = devm_kcalloc(dev, hweight64(control->cn_list), 990 sizeof(*control->values), GFP_KERNEL); 991 if (!control->values) 992 return -ENOMEM; 993 994 switch (control->mode) { 995 case SDCA_ACCESS_MODE_DC: 996 ret = find_sdca_control_value(dev, entity, control_node, control, 997 "dc-value"); 998 if (ret) { 999 dev_err(dev, "%s: control %#x: dc value missing: %d\n", 1000 entity->label, control->sel, ret); 1001 return ret; 1002 } 1003 1004 control->has_fixed = true; 1005 break; 1006 case SDCA_ACCESS_MODE_RW: 1007 case SDCA_ACCESS_MODE_DUAL: 1008 ret = find_sdca_control_value(dev, entity, control_node, control, 1009 "default-value"); 1010 if (!ret) 1011 control->has_default = true; 1012 1013 ret = find_sdca_control_value(dev, entity, control_node, control, 1014 "fixed-value"); 1015 if (!ret) 1016 control->has_fixed = true; 1017 fallthrough; 1018 case SDCA_ACCESS_MODE_RO: 1019 ret = fwnode_property_read_u32(control_node, 1020 "mipi-sdca-control-deferrable", 1021 &tmp); 1022 if (ret == 0) 1023 control->deferrable = !!tmp; 1024 break; 1025 default: 1026 break; 1027 } 1028 1029 control->is_volatile = find_sdca_control_volatile(entity, control); 1030 1031 ret = find_sdca_control_reset(entity, control); 1032 if (ret) 1033 return ret; 1034 1035 ret = find_sdca_control_range(dev, control_node, &control->range); 1036 if (ret) { 1037 dev_err(dev, "%s: control %#x: range missing: %d\n", 1038 entity->label, control->sel, ret); 1039 return ret; 1040 } 1041 1042 ret = fwnode_property_read_u32(control_node, 1043 "mipi-sdca-control-interrupt-position", 1044 &tmp); 1045 if (!ret) 1046 control->interrupt_position = tmp; 1047 else 1048 control->interrupt_position = SDCA_NO_INTERRUPT; 1049 1050 control->label = find_sdca_control_label(dev, entity, control); 1051 if (!control->label) 1052 return -ENOMEM; 1053 1054 control->type = find_sdca_control_datatype(entity, control); 1055 control->nbits = find_sdca_control_bits(entity, control); 1056 1057 dev_dbg(dev, "%s: %s: control %#x mode %#x layers %#x cn %#llx int %d %s\n", 1058 entity->label, control->label, control->sel, 1059 control->mode, control->layers, control->cn_list, 1060 control->interrupt_position, control->deferrable ? "deferrable" : ""); 1061 1062 return 0; 1063 } 1064 1065 static int find_sdca_entity_controls(struct device *dev, 1066 struct fwnode_handle *entity_node, 1067 struct sdca_entity *entity) 1068 { 1069 struct sdca_control *controls; 1070 int num_controls; 1071 u64 control_list; 1072 int control_sel; 1073 int i, ret; 1074 1075 ret = fwnode_property_read_u64(entity_node, "mipi-sdca-control-list", &control_list); 1076 if (ret == -EINVAL) { 1077 /* Allow missing control lists, assume no controls. */ 1078 dev_warn(dev, "%s: missing control list\n", entity->label); 1079 return 0; 1080 } else if (ret) { 1081 dev_err(dev, "%s: failed to read control list: %d\n", entity->label, ret); 1082 return ret; 1083 } else if (!control_list) { 1084 return 0; 1085 } 1086 1087 num_controls = hweight64(control_list); 1088 controls = devm_kcalloc(dev, num_controls, sizeof(*controls), GFP_KERNEL); 1089 if (!controls) 1090 return -ENOMEM; 1091 1092 i = 0; 1093 for_each_set_bit(control_sel, (unsigned long *)&control_list, 1094 BITS_PER_TYPE(control_list)) { 1095 struct fwnode_handle *control_node; 1096 char control_property[SDCA_PROPERTY_LENGTH]; 1097 1098 /* DisCo uses upper-case for hex numbers */ 1099 snprintf(control_property, sizeof(control_property), 1100 "mipi-sdca-control-0x%X-subproperties", control_sel); 1101 1102 control_node = fwnode_get_named_child_node(entity_node, control_property); 1103 if (!control_node) { 1104 dev_err(dev, "%s: control node %s not found\n", 1105 entity->label, control_property); 1106 return -EINVAL; 1107 } 1108 1109 controls[i].sel = control_sel; 1110 1111 ret = find_sdca_entity_control(dev, entity, control_node, &controls[i]); 1112 fwnode_handle_put(control_node); 1113 if (ret) 1114 return ret; 1115 1116 i++; 1117 } 1118 1119 entity->num_controls = num_controls; 1120 entity->controls = controls; 1121 1122 return 0; 1123 } 1124 1125 static bool find_sdca_iot_dataport(struct sdca_entity_iot *terminal) 1126 { 1127 switch (terminal->type) { 1128 case SDCA_TERM_TYPE_GENERIC: 1129 case SDCA_TERM_TYPE_ULTRASOUND: 1130 case SDCA_TERM_TYPE_CAPTURE_DIRECT_PCM_MIC: 1131 case SDCA_TERM_TYPE_RAW_PDM_MIC: 1132 case SDCA_TERM_TYPE_SPEECH: 1133 case SDCA_TERM_TYPE_VOICE: 1134 case SDCA_TERM_TYPE_SECONDARY_PCM_MIC: 1135 case SDCA_TERM_TYPE_ACOUSTIC_CONTEXT_AWARENESS: 1136 case SDCA_TERM_TYPE_DTOD_STREAM: 1137 case SDCA_TERM_TYPE_REFERENCE_STREAM: 1138 case SDCA_TERM_TYPE_SENSE_CAPTURE: 1139 case SDCA_TERM_TYPE_STREAMING_MIC: 1140 case SDCA_TERM_TYPE_OPTIMIZATION_STREAM: 1141 case SDCA_TERM_TYPE_PDM_RENDER_STREAM: 1142 case SDCA_TERM_TYPE_COMPANION_DATA: 1143 return true; 1144 default: 1145 return false; 1146 } 1147 } 1148 1149 static int find_sdca_entity_iot(struct device *dev, 1150 struct fwnode_handle *entity_node, 1151 struct sdca_entity *entity) 1152 { 1153 struct sdca_entity_iot *terminal = &entity->iot; 1154 u32 tmp; 1155 int ret; 1156 1157 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-terminal-type", &tmp); 1158 if (ret) { 1159 dev_err(dev, "%s: terminal type missing: %d\n", entity->label, ret); 1160 return ret; 1161 } 1162 1163 terminal->type = tmp; 1164 terminal->is_dataport = find_sdca_iot_dataport(terminal); 1165 1166 if (!terminal->is_dataport) { 1167 const char *type_name = sdca_find_terminal_name(terminal->type); 1168 1169 if (type_name) { 1170 entity->label = devm_kasprintf(dev, GFP_KERNEL, "%s %s", 1171 entity->label, type_name); 1172 if (!entity->label) 1173 return -ENOMEM; 1174 } 1175 } 1176 1177 ret = fwnode_property_read_u32(entity_node, 1178 "mipi-sdca-terminal-reference-number", &tmp); 1179 if (!ret) 1180 terminal->reference = tmp; 1181 1182 ret = fwnode_property_read_u32(entity_node, 1183 "mipi-sdca-terminal-connector-type", &tmp); 1184 if (!ret) 1185 terminal->connector = tmp; 1186 1187 ret = fwnode_property_read_u32(entity_node, 1188 "mipi-sdca-terminal-transducer-count", &tmp); 1189 if (!ret) 1190 terminal->num_transducer = tmp; 1191 1192 dev_dbg(dev, "%s: terminal type %#x ref %#x conn %#x count %d\n", 1193 entity->label, terminal->type, terminal->reference, 1194 terminal->connector, terminal->num_transducer); 1195 1196 return 0; 1197 } 1198 1199 static int find_sdca_entity_cs(struct device *dev, 1200 struct fwnode_handle *entity_node, 1201 struct sdca_entity *entity) 1202 { 1203 struct sdca_entity_cs *clock = &entity->cs; 1204 u32 tmp; 1205 int ret; 1206 1207 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-cs-type", &tmp); 1208 if (ret) { 1209 dev_err(dev, "%s: clock type missing: %d\n", entity->label, ret); 1210 return ret; 1211 } 1212 1213 clock->type = tmp; 1214 1215 ret = fwnode_property_read_u32(entity_node, 1216 "mipi-sdca-clock-valid-max-delay", &tmp); 1217 if (!ret) 1218 clock->max_delay = tmp; 1219 1220 dev_dbg(dev, "%s: clock type %#x delay %d\n", entity->label, 1221 clock->type, clock->max_delay); 1222 1223 return 0; 1224 } 1225 1226 static int find_sdca_entity_pde(struct device *dev, 1227 struct fwnode_handle *entity_node, 1228 struct sdca_entity *entity) 1229 { 1230 static const int mult_delay = 3; 1231 struct sdca_entity_pde *power = &entity->pde; 1232 struct sdca_pde_delay *delays; 1233 int num_delays; 1234 int i, j; 1235 1236 num_delays = fwnode_property_count_u32(entity_node, 1237 "mipi-sdca-powerdomain-transition-max-delay"); 1238 if (num_delays <= 0) { 1239 dev_err(dev, "%s: max delay list missing: %d\n", 1240 entity->label, num_delays); 1241 return -EINVAL; 1242 } else if (num_delays % mult_delay != 0) { 1243 dev_err(dev, "%s: delays not multiple of %d\n", 1244 entity->label, mult_delay); 1245 return -EINVAL; 1246 } else if (num_delays > SDCA_MAX_DELAY_COUNT) { 1247 dev_err(dev, "%s: maximum number of transition delays exceeded\n", 1248 entity->label); 1249 return -EINVAL; 1250 } 1251 1252 u32 *delay_list __free(kfree) = kcalloc(num_delays, sizeof(*delay_list), 1253 GFP_KERNEL); 1254 if (!delay_list) 1255 return -ENOMEM; 1256 1257 fwnode_property_read_u32_array(entity_node, 1258 "mipi-sdca-powerdomain-transition-max-delay", 1259 delay_list, num_delays); 1260 1261 num_delays /= mult_delay; 1262 1263 delays = devm_kcalloc(dev, num_delays, sizeof(*delays), GFP_KERNEL); 1264 if (!delays) 1265 return -ENOMEM; 1266 1267 for (i = 0, j = 0; i < num_delays; i++) { 1268 delays[i].from_ps = delay_list[j++]; 1269 delays[i].to_ps = delay_list[j++]; 1270 delays[i].us = delay_list[j++]; 1271 1272 dev_dbg(dev, "%s: from %#x to %#x delay %dus\n", entity->label, 1273 delays[i].from_ps, delays[i].to_ps, delays[i].us); 1274 } 1275 1276 power->num_max_delay = num_delays; 1277 power->max_delay = delays; 1278 1279 return 0; 1280 } 1281 1282 struct raw_ge_mode { 1283 u8 val; 1284 u8 num_controls; 1285 struct { 1286 u8 id; 1287 u8 sel; 1288 u8 cn; 1289 __le32 val; 1290 } __packed controls[] __counted_by(num_controls); 1291 } __packed; 1292 1293 static int find_sdca_entity_ge(struct device *dev, 1294 struct fwnode_handle *entity_node, 1295 struct sdca_entity *entity) 1296 { 1297 struct sdca_entity_ge *group = &entity->ge; 1298 u8 *affected_iter; 1299 int num_affected; 1300 int i, j; 1301 1302 num_affected = fwnode_property_count_u8(entity_node, 1303 "mipi-sdca-ge-selectedmode-controls-affected"); 1304 if (!num_affected) { 1305 return 0; 1306 } else if (num_affected < 0) { 1307 dev_err(dev, "%s: failed to read affected controls: %d\n", 1308 entity->label, num_affected); 1309 return num_affected; 1310 } else if (num_affected > SDCA_MAX_AFFECTED_COUNT) { 1311 dev_err(dev, "%s: maximum affected controls size exceeded\n", 1312 entity->label); 1313 return -EINVAL; 1314 } 1315 1316 u8 *affected_list __free(kfree) = kcalloc(num_affected, sizeof(*affected_list), 1317 GFP_KERNEL); 1318 if (!affected_list) 1319 return -ENOMEM; 1320 1321 fwnode_property_read_u8_array(entity_node, 1322 "mipi-sdca-ge-selectedmode-controls-affected", 1323 affected_list, num_affected); 1324 1325 group->num_modes = *affected_list; 1326 affected_iter = affected_list + 1; 1327 1328 group->modes = devm_kcalloc(dev, group->num_modes, sizeof(*group->modes), 1329 GFP_KERNEL); 1330 if (!group->modes) 1331 return -ENOMEM; 1332 1333 for (i = 0; i < group->num_modes; i++) { 1334 struct raw_ge_mode *raw = (struct raw_ge_mode *)affected_iter; 1335 struct sdca_ge_mode *mode = &group->modes[i]; 1336 1337 affected_iter += sizeof(*raw); 1338 if (affected_iter > affected_list + num_affected) 1339 goto bad_list; 1340 1341 mode->val = raw->val; 1342 mode->num_controls = raw->num_controls; 1343 1344 affected_iter += mode->num_controls * sizeof(raw->controls[0]); 1345 if (affected_iter > affected_list + num_affected) 1346 goto bad_list; 1347 1348 mode->controls = devm_kcalloc(dev, mode->num_controls, 1349 sizeof(*mode->controls), GFP_KERNEL); 1350 if (!mode->controls) 1351 return -ENOMEM; 1352 1353 for (j = 0; j < mode->num_controls; j++) { 1354 mode->controls[j].id = raw->controls[j].id; 1355 mode->controls[j].sel = raw->controls[j].sel; 1356 mode->controls[j].cn = raw->controls[j].cn; 1357 mode->controls[j].val = le32_to_cpu(raw->controls[j].val); 1358 } 1359 } 1360 1361 return 0; 1362 1363 bad_list: 1364 dev_err(dev, "%s: malformed affected controls list\n", entity->label); 1365 return -EINVAL; 1366 } 1367 1368 static int 1369 find_sdca_entity_hide(struct device *dev, struct sdw_slave *sdw, 1370 struct fwnode_handle *function_node, 1371 struct fwnode_handle *entity_node, struct sdca_entity *entity) 1372 { 1373 struct sdca_entity_hide *hide = &entity->hide; 1374 unsigned int delay, *af_list = hide->af_number_list; 1375 int nval, ret; 1376 unsigned char *report_desc = NULL; 1377 1378 ret = fwnode_property_read_u32(entity_node, 1379 "mipi-sdca-RxUMP-ownership-transition-max-delay", &delay); 1380 if (!ret) 1381 hide->max_delay = delay; 1382 1383 nval = fwnode_property_count_u32(entity_node, "mipi-sdca-HIDTx-supported-report-ids"); 1384 if (nval > 0) { 1385 hide->num_hidtx_ids = nval; 1386 hide->hidtx_ids = devm_kcalloc(dev, hide->num_hidtx_ids, 1387 sizeof(*hide->hidtx_ids), GFP_KERNEL); 1388 if (!hide->hidtx_ids) 1389 return -ENOMEM; 1390 1391 ret = fwnode_property_read_u32_array(entity_node, 1392 "mipi-sdca-HIDTx-supported-report-ids", 1393 hide->hidtx_ids, 1394 hide->num_hidtx_ids); 1395 if (ret < 0) 1396 return ret; 1397 } 1398 1399 nval = fwnode_property_count_u32(entity_node, "mipi-sdca-HIDRx-supported-report-ids"); 1400 if (nval > 0) { 1401 hide->num_hidrx_ids = nval; 1402 hide->hidrx_ids = devm_kcalloc(dev, hide->num_hidrx_ids, 1403 sizeof(*hide->hidrx_ids), GFP_KERNEL); 1404 if (!hide->hidrx_ids) 1405 return -ENOMEM; 1406 1407 ret = fwnode_property_read_u32_array(entity_node, 1408 "mipi-sdca-HIDRx-supported-report-ids", 1409 hide->hidrx_ids, 1410 hide->num_hidrx_ids); 1411 if (ret < 0) 1412 return ret; 1413 } 1414 1415 nval = fwnode_property_count_u32(entity_node, "mipi-sdca-hide-related-audio-function-list"); 1416 if (nval <= 0) { 1417 dev_err(dev, "%pfwP: audio function numbers list missing: %d\n", 1418 entity_node, nval); 1419 return -EINVAL; 1420 } else if (nval > SDCA_MAX_FUNCTION_COUNT) { 1421 dev_err(dev, "%pfwP: maximum number of audio function exceeded\n", entity_node); 1422 return -EINVAL; 1423 } 1424 1425 hide->hide_reside_function_num = nval; 1426 fwnode_property_read_u32_array(entity_node, 1427 "mipi-sdca-hide-related-audio-function-list", af_list, nval); 1428 1429 nval = fwnode_property_count_u8(function_node, "mipi-sdca-hid-descriptor"); 1430 if (nval) 1431 fwnode_property_read_u8_array(function_node, "mipi-sdca-hid-descriptor", 1432 (u8 *)&hide->hid_desc, nval); 1433 1434 if (hide->hid_desc.bNumDescriptors) { 1435 nval = fwnode_property_count_u8(function_node, "mipi-sdca-report-descriptor"); 1436 if (nval) { 1437 report_desc = devm_kzalloc(dev, nval, GFP_KERNEL); 1438 if (!report_desc) 1439 return -ENOMEM; 1440 hide->hid_report_desc = report_desc; 1441 fwnode_property_read_u8_array(function_node, "mipi-sdca-report-descriptor", 1442 report_desc, nval); 1443 1444 /* add HID device */ 1445 ret = sdca_add_hid_device(dev, sdw, entity); 1446 if (ret) { 1447 dev_err(dev, "%pfwP: failed to add HID device: %d\n", entity_node, ret); 1448 return ret; 1449 } 1450 } 1451 } 1452 1453 return 0; 1454 } 1455 1456 static int find_sdca_entity_xu(struct device *dev, 1457 struct fwnode_handle *entity_node, 1458 struct sdca_entity *entity) 1459 { 1460 struct sdca_entity_xu *xu = &entity->xu; 1461 u32 tmp; 1462 int ret; 1463 1464 ret = fwnode_property_read_u32(entity_node, 1465 "mipi-sdca-RxUMP-ownership-transition-max-delay", 1466 &tmp); 1467 if (!ret) 1468 xu->max_delay = tmp; 1469 1470 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-FDL-reset-mechanism", 1471 &tmp); 1472 if (!ret) 1473 xu->reset_mechanism = tmp; 1474 1475 return 0; 1476 } 1477 1478 static int find_sdca_entity(struct device *dev, struct sdw_slave *sdw, 1479 struct sdca_function_data *function, 1480 struct fwnode_handle *function_node, 1481 struct fwnode_handle *entity_node, 1482 struct sdca_entity *entity) 1483 { 1484 u32 tmp; 1485 int ret; 1486 1487 ret = fwnode_property_read_string(entity_node, "mipi-sdca-entity-label", 1488 &entity->label); 1489 if (ret) { 1490 dev_err(dev, "%pfwP: entity %#x: label missing: %d\n", 1491 function_node, entity->id, ret); 1492 return ret; 1493 } 1494 1495 if (function->desc->duplicate) { 1496 entity->label = devm_kasprintf(dev, GFP_KERNEL, "%d %s", 1497 function->desc->adr, entity->label); 1498 if (!entity->label) 1499 return -ENOMEM; 1500 } 1501 1502 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-entity-type", &tmp); 1503 if (ret) { 1504 dev_err(dev, "%s: type missing: %d\n", entity->label, ret); 1505 return ret; 1506 } 1507 1508 entity->type = tmp; 1509 1510 dev_dbg(dev, "%s: entity %#x type %#x\n", 1511 entity->label, entity->id, entity->type); 1512 1513 switch (entity->type) { 1514 case SDCA_ENTITY_TYPE_IT: 1515 case SDCA_ENTITY_TYPE_OT: 1516 ret = find_sdca_entity_iot(dev, entity_node, entity); 1517 break; 1518 case SDCA_ENTITY_TYPE_XU: 1519 ret = find_sdca_entity_xu(dev, entity_node, entity); 1520 break; 1521 case SDCA_ENTITY_TYPE_CS: 1522 ret = find_sdca_entity_cs(dev, entity_node, entity); 1523 break; 1524 case SDCA_ENTITY_TYPE_PDE: 1525 ret = find_sdca_entity_pde(dev, entity_node, entity); 1526 break; 1527 case SDCA_ENTITY_TYPE_GE: 1528 ret = find_sdca_entity_ge(dev, entity_node, entity); 1529 break; 1530 case SDCA_ENTITY_TYPE_HIDE: 1531 ret = find_sdca_entity_hide(dev, sdw, function_node, 1532 entity_node, entity); 1533 break; 1534 default: 1535 break; 1536 } 1537 if (ret) 1538 return ret; 1539 1540 ret = find_sdca_entity_controls(dev, entity_node, entity); 1541 if (ret) 1542 return ret; 1543 1544 return 0; 1545 } 1546 1547 static int find_sdca_entities(struct device *dev, struct sdw_slave *sdw, 1548 struct fwnode_handle *function_node, 1549 struct sdca_function_data *function) 1550 { 1551 struct sdca_entity *entities; 1552 int num_entities; 1553 int i, ret; 1554 1555 num_entities = fwnode_property_count_u32(function_node, 1556 "mipi-sdca-entity-id-list"); 1557 if (num_entities <= 0) { 1558 dev_err(dev, "%pfwP: entity id list missing: %d\n", 1559 function_node, num_entities); 1560 return -EINVAL; 1561 } else if (num_entities > SDCA_MAX_ENTITY_COUNT) { 1562 dev_err(dev, "%pfwP: maximum number of entities exceeded\n", 1563 function_node); 1564 return -EINVAL; 1565 } 1566 1567 /* Add 1 to make space for Entity 0 */ 1568 entities = devm_kcalloc(dev, num_entities + 1, sizeof(*entities), GFP_KERNEL); 1569 if (!entities) 1570 return -ENOMEM; 1571 1572 u32 *entity_list __free(kfree) = kcalloc(num_entities, sizeof(*entity_list), 1573 GFP_KERNEL); 1574 if (!entity_list) 1575 return -ENOMEM; 1576 1577 fwnode_property_read_u32_array(function_node, "mipi-sdca-entity-id-list", 1578 entity_list, num_entities); 1579 1580 for (i = 0; i < num_entities; i++) 1581 entities[i].id = entity_list[i]; 1582 1583 /* now read subproperties */ 1584 for (i = 0; i < num_entities; i++) { 1585 char entity_property[SDCA_PROPERTY_LENGTH]; 1586 struct fwnode_handle *entity_node; 1587 1588 /* DisCo uses upper-case for hex numbers */ 1589 snprintf(entity_property, sizeof(entity_property), 1590 "mipi-sdca-entity-id-0x%X-subproperties", entities[i].id); 1591 1592 entity_node = fwnode_get_named_child_node(function_node, entity_property); 1593 if (!entity_node) { 1594 dev_err(dev, "%pfwP: entity node %s not found\n", 1595 function_node, entity_property); 1596 return -EINVAL; 1597 } 1598 1599 ret = find_sdca_entity(dev, sdw, function, function_node, 1600 entity_node, &entities[i]); 1601 fwnode_handle_put(entity_node); 1602 if (ret) 1603 return ret; 1604 } 1605 1606 /* 1607 * Add Entity 0 at end of the array, makes it easy to skip during 1608 * all the Entity searches involved in creating connections. 1609 */ 1610 entities[num_entities].label = "entity0"; 1611 1612 ret = find_sdca_entity_controls(dev, function_node, &entities[num_entities]); 1613 if (ret) 1614 return ret; 1615 1616 function->num_entities = num_entities + 1; 1617 function->entities = entities; 1618 1619 return 0; 1620 } 1621 1622 static struct sdca_entity *find_sdca_entity_by_label(struct sdca_function_data *function, 1623 const char *entity_label) 1624 { 1625 struct sdca_entity *entity = NULL; 1626 char tmp[64]; 1627 int i; 1628 1629 if (function->desc->duplicate) { 1630 snprintf(tmp, sizeof(tmp), "%d %s", function->desc->adr, entity_label); 1631 entity_label = tmp; 1632 } 1633 1634 for (i = 0; i < function->num_entities; i++) { 1635 entity = &function->entities[i]; 1636 1637 /* check whole string first*/ 1638 if (!strcmp(entity->label, entity_label)) 1639 return entity; 1640 } 1641 1642 for (i = 0; i < function->num_entities; i++) { 1643 entity = &function->entities[i]; 1644 1645 if (!strncmp(entity->label, entity_label, strlen(entity_label))) 1646 return entity; 1647 } 1648 1649 return NULL; 1650 } 1651 1652 static struct sdca_entity *find_sdca_entity_by_id(struct sdca_function_data *function, 1653 const int id) 1654 { 1655 int i; 1656 1657 for (i = 0; i < function->num_entities; i++) { 1658 struct sdca_entity *entity = &function->entities[i]; 1659 1660 if (entity->id == id) 1661 return entity; 1662 } 1663 1664 return NULL; 1665 } 1666 1667 static int find_sdca_entity_connection_iot(struct device *dev, 1668 struct sdca_function_data *function, 1669 struct fwnode_handle *entity_node, 1670 struct sdca_entity *entity) 1671 { 1672 struct sdca_entity_iot *terminal = &entity->iot; 1673 struct fwnode_handle *clock_node; 1674 struct sdca_entity *clock_entity; 1675 const char *clock_label; 1676 int ret; 1677 1678 clock_node = fwnode_get_named_child_node(entity_node, 1679 "mipi-sdca-terminal-clock-connection"); 1680 if (!clock_node) 1681 return 0; 1682 1683 ret = fwnode_property_read_string(clock_node, "mipi-sdca-entity-label", 1684 &clock_label); 1685 if (ret) { 1686 dev_err(dev, "%s: clock label missing: %d\n", entity->label, ret); 1687 fwnode_handle_put(clock_node); 1688 return ret; 1689 } 1690 1691 clock_entity = find_sdca_entity_by_label(function, clock_label); 1692 if (!clock_entity) { 1693 dev_err(dev, "%s: failed to find clock with label %s\n", 1694 entity->label, clock_label); 1695 fwnode_handle_put(clock_node); 1696 return -EINVAL; 1697 } 1698 1699 terminal->clock = clock_entity; 1700 1701 dev_dbg(dev, "%s -> %s\n", clock_entity->label, entity->label); 1702 1703 fwnode_handle_put(clock_node); 1704 return 0; 1705 } 1706 1707 static int find_sdca_entity_connection_pde(struct device *dev, 1708 struct sdca_function_data *function, 1709 struct fwnode_handle *entity_node, 1710 struct sdca_entity *entity) 1711 { 1712 struct sdca_entity_pde *power = &entity->pde; 1713 struct sdca_entity **managed; 1714 int num_managed; 1715 int i; 1716 1717 num_managed = fwnode_property_count_u32(entity_node, 1718 "mipi-sdca-powerdomain-managed-list"); 1719 if (!num_managed) { 1720 return 0; 1721 } else if (num_managed < 0) { 1722 dev_err(dev, "%s: managed list missing: %d\n", entity->label, num_managed); 1723 return num_managed; 1724 } else if (num_managed > SDCA_MAX_ENTITY_COUNT) { 1725 dev_err(dev, "%s: maximum number of managed entities exceeded\n", 1726 entity->label); 1727 return -EINVAL; 1728 } 1729 1730 managed = devm_kcalloc(dev, num_managed, sizeof(*managed), GFP_KERNEL); 1731 if (!managed) 1732 return -ENOMEM; 1733 1734 u32 *managed_list __free(kfree) = kcalloc(num_managed, sizeof(*managed_list), 1735 GFP_KERNEL); 1736 if (!managed_list) 1737 return -ENOMEM; 1738 1739 fwnode_property_read_u32_array(entity_node, 1740 "mipi-sdca-powerdomain-managed-list", 1741 managed_list, num_managed); 1742 1743 for (i = 0; i < num_managed; i++) { 1744 managed[i] = find_sdca_entity_by_id(function, managed_list[i]); 1745 if (!managed[i]) { 1746 dev_err(dev, "%s: failed to find entity with id %#x\n", 1747 entity->label, managed_list[i]); 1748 return -EINVAL; 1749 } 1750 1751 dev_dbg(dev, "%s -> %s\n", managed[i]->label, entity->label); 1752 } 1753 1754 power->num_managed = num_managed; 1755 power->managed = managed; 1756 1757 return 0; 1758 } 1759 1760 static int find_sdca_entity_connection_ge(struct device *dev, 1761 struct sdca_function_data *function, 1762 struct fwnode_handle *entity_node, 1763 struct sdca_entity *entity) 1764 { 1765 int i, j; 1766 1767 for (i = 0; i < entity->ge.num_modes; i++) { 1768 struct sdca_ge_mode *mode = &entity->ge.modes[i]; 1769 1770 for (j = 0; j < mode->num_controls; j++) { 1771 struct sdca_ge_control *affected = &mode->controls[j]; 1772 struct sdca_entity *managed; 1773 1774 managed = find_sdca_entity_by_id(function, affected->id); 1775 if (!managed) { 1776 dev_err(dev, "%s: failed to find entity with id %#x\n", 1777 entity->label, affected->id); 1778 return -EINVAL; 1779 } 1780 1781 if (managed->group && managed->group != entity) { 1782 dev_err(dev, 1783 "%s: entity controlled by two groups %s, %s\n", 1784 managed->label, managed->group->label, 1785 entity->label); 1786 return -EINVAL; 1787 } 1788 1789 managed->group = entity; 1790 } 1791 } 1792 1793 return 0; 1794 } 1795 1796 static int find_sdca_entity_connection(struct device *dev, 1797 struct sdca_function_data *function, 1798 struct fwnode_handle *entity_node, 1799 struct sdca_entity *entity) 1800 { 1801 struct sdca_entity **pins; 1802 int num_pins, pin; 1803 u64 pin_list; 1804 int i, ret; 1805 1806 switch (entity->type) { 1807 case SDCA_ENTITY_TYPE_IT: 1808 case SDCA_ENTITY_TYPE_OT: 1809 ret = find_sdca_entity_connection_iot(dev, function, 1810 entity_node, entity); 1811 break; 1812 case SDCA_ENTITY_TYPE_PDE: 1813 ret = find_sdca_entity_connection_pde(dev, function, 1814 entity_node, entity); 1815 break; 1816 case SDCA_ENTITY_TYPE_GE: 1817 ret = find_sdca_entity_connection_ge(dev, function, 1818 entity_node, entity); 1819 break; 1820 default: 1821 ret = 0; 1822 break; 1823 } 1824 if (ret) 1825 return ret; 1826 1827 ret = fwnode_property_read_u64(entity_node, "mipi-sdca-input-pin-list", &pin_list); 1828 if (ret == -EINVAL) { 1829 /* Allow missing pin lists, assume no pins. */ 1830 return 0; 1831 } else if (ret) { 1832 dev_err(dev, "%s: failed to read pin list: %d\n", entity->label, ret); 1833 return ret; 1834 } else if (pin_list & BIT(0)) { 1835 /* 1836 * Each bit set in the pin-list refers to an entity_id in this 1837 * Function. Entity 0 is an illegal connection since it is used 1838 * for Function-level configurations. 1839 */ 1840 dev_err(dev, "%s: pin 0 used as input\n", entity->label); 1841 return -EINVAL; 1842 } else if (!pin_list) { 1843 return 0; 1844 } 1845 1846 num_pins = hweight64(pin_list); 1847 pins = devm_kcalloc(dev, num_pins, sizeof(*pins), GFP_KERNEL); 1848 if (!pins) 1849 return -ENOMEM; 1850 1851 i = 0; 1852 for_each_set_bit(pin, (unsigned long *)&pin_list, BITS_PER_TYPE(pin_list)) { 1853 char pin_property[SDCA_PROPERTY_LENGTH]; 1854 struct fwnode_handle *connected_node; 1855 struct sdca_entity *connected_entity; 1856 const char *connected_label; 1857 1858 snprintf(pin_property, sizeof(pin_property), "mipi-sdca-input-pin-%d", pin); 1859 1860 connected_node = fwnode_get_named_child_node(entity_node, pin_property); 1861 if (!connected_node) { 1862 dev_err(dev, "%s: pin node %s not found\n", 1863 entity->label, pin_property); 1864 return -EINVAL; 1865 } 1866 1867 ret = fwnode_property_read_string(connected_node, "mipi-sdca-entity-label", 1868 &connected_label); 1869 if (ret) { 1870 dev_err(dev, "%s: pin %d label missing: %d\n", 1871 entity->label, pin, ret); 1872 fwnode_handle_put(connected_node); 1873 return ret; 1874 } 1875 1876 connected_entity = find_sdca_entity_by_label(function, connected_label); 1877 if (!connected_entity) { 1878 dev_err(dev, "%s: failed to find entity with label %s\n", 1879 entity->label, connected_label); 1880 fwnode_handle_put(connected_node); 1881 return -EINVAL; 1882 } 1883 1884 pins[i] = connected_entity; 1885 1886 dev_dbg(dev, "%s -> %s\n", connected_entity->label, entity->label); 1887 1888 i++; 1889 fwnode_handle_put(connected_node); 1890 } 1891 1892 entity->num_sources = num_pins; 1893 entity->sources = pins; 1894 1895 return 0; 1896 } 1897 1898 static int find_sdca_connections(struct device *dev, 1899 struct fwnode_handle *function_node, 1900 struct sdca_function_data *function) 1901 { 1902 int i; 1903 1904 /* Entity 0 cannot have connections */ 1905 for (i = 0; i < function->num_entities - 1; i++) { 1906 struct sdca_entity *entity = &function->entities[i]; 1907 char entity_property[SDCA_PROPERTY_LENGTH]; 1908 struct fwnode_handle *entity_node; 1909 int ret; 1910 1911 /* DisCo uses upper-case for hex numbers */ 1912 snprintf(entity_property, sizeof(entity_property), 1913 "mipi-sdca-entity-id-0x%X-subproperties", 1914 entity->id); 1915 1916 entity_node = fwnode_get_named_child_node(function_node, entity_property); 1917 if (!entity_node) { 1918 dev_err(dev, "%pfwP: entity node %s not found\n", 1919 function_node, entity_property); 1920 return -EINVAL; 1921 } 1922 1923 ret = find_sdca_entity_connection(dev, function, entity_node, entity); 1924 fwnode_handle_put(entity_node); 1925 if (ret) 1926 return ret; 1927 } 1928 1929 return 0; 1930 } 1931 1932 static int find_sdca_cluster_channel(struct device *dev, 1933 struct sdca_cluster *cluster, 1934 struct fwnode_handle *channel_node, 1935 struct sdca_channel *channel) 1936 { 1937 u32 tmp; 1938 int ret; 1939 1940 ret = fwnode_property_read_u32(channel_node, "mipi-sdca-cluster-channel-id", &tmp); 1941 if (ret) { 1942 dev_err(dev, "cluster %#x: missing channel id: %d\n", 1943 cluster->id, ret); 1944 return ret; 1945 } 1946 1947 channel->id = tmp; 1948 1949 ret = fwnode_property_read_u32(channel_node, 1950 "mipi-sdca-cluster-channel-purpose", 1951 &tmp); 1952 if (ret) { 1953 dev_err(dev, "cluster %#x: channel %#x: missing purpose: %d\n", 1954 cluster->id, channel->id, ret); 1955 return ret; 1956 } 1957 1958 channel->purpose = tmp; 1959 1960 ret = fwnode_property_read_u32(channel_node, 1961 "mipi-sdca-cluster-channel-relationship", 1962 &tmp); 1963 if (ret) { 1964 dev_err(dev, "cluster %#x: channel %#x: missing relationship: %d\n", 1965 cluster->id, channel->id, ret); 1966 return ret; 1967 } 1968 1969 channel->relationship = tmp; 1970 1971 dev_dbg(dev, "cluster %#x: channel id %#x purpose %#x relationship %#x\n", 1972 cluster->id, channel->id, channel->purpose, channel->relationship); 1973 1974 return 0; 1975 } 1976 1977 static int find_sdca_cluster_channels(struct device *dev, 1978 struct fwnode_handle *cluster_node, 1979 struct sdca_cluster *cluster) 1980 { 1981 struct sdca_channel *channels; 1982 u32 num_channels; 1983 int i, ret; 1984 1985 ret = fwnode_property_read_u32(cluster_node, "mipi-sdca-channel-count", 1986 &num_channels); 1987 if (ret < 0) { 1988 dev_err(dev, "cluster %#x: failed to read channel list: %d\n", 1989 cluster->id, ret); 1990 return ret; 1991 } else if (num_channels > SDCA_MAX_CHANNEL_COUNT) { 1992 dev_err(dev, "cluster %#x: maximum number of channels exceeded\n", 1993 cluster->id); 1994 return -EINVAL; 1995 } 1996 1997 channels = devm_kcalloc(dev, num_channels, sizeof(*channels), GFP_KERNEL); 1998 if (!channels) 1999 return -ENOMEM; 2000 2001 for (i = 0; i < num_channels; i++) { 2002 char channel_property[SDCA_PROPERTY_LENGTH]; 2003 struct fwnode_handle *channel_node; 2004 2005 /* DisCo uses upper-case for hex numbers */ 2006 snprintf(channel_property, sizeof(channel_property), 2007 "mipi-sdca-channel-%d-subproperties", i + 1); 2008 2009 channel_node = fwnode_get_named_child_node(cluster_node, channel_property); 2010 if (!channel_node) { 2011 dev_err(dev, "cluster %#x: channel node %s not found\n", 2012 cluster->id, channel_property); 2013 return -EINVAL; 2014 } 2015 2016 ret = find_sdca_cluster_channel(dev, cluster, channel_node, &channels[i]); 2017 fwnode_handle_put(channel_node); 2018 if (ret) 2019 return ret; 2020 } 2021 2022 cluster->num_channels = num_channels; 2023 cluster->channels = channels; 2024 2025 return 0; 2026 } 2027 2028 static int find_sdca_clusters(struct device *dev, 2029 struct fwnode_handle *function_node, 2030 struct sdca_function_data *function) 2031 { 2032 struct sdca_cluster *clusters; 2033 int num_clusters; 2034 int i, ret; 2035 2036 num_clusters = fwnode_property_count_u32(function_node, "mipi-sdca-cluster-id-list"); 2037 if (!num_clusters || num_clusters == -EINVAL) { 2038 return 0; 2039 } else if (num_clusters < 0) { 2040 dev_err(dev, "%pfwP: failed to read cluster id list: %d\n", 2041 function_node, num_clusters); 2042 return num_clusters; 2043 } else if (num_clusters > SDCA_MAX_CLUSTER_COUNT) { 2044 dev_err(dev, "%pfwP: maximum number of clusters exceeded\n", function_node); 2045 return -EINVAL; 2046 } 2047 2048 clusters = devm_kcalloc(dev, num_clusters, sizeof(*clusters), GFP_KERNEL); 2049 if (!clusters) 2050 return -ENOMEM; 2051 2052 u32 *cluster_list __free(kfree) = kcalloc(num_clusters, sizeof(*cluster_list), 2053 GFP_KERNEL); 2054 if (!cluster_list) 2055 return -ENOMEM; 2056 2057 fwnode_property_read_u32_array(function_node, "mipi-sdca-cluster-id-list", 2058 cluster_list, num_clusters); 2059 2060 for (i = 0; i < num_clusters; i++) 2061 clusters[i].id = cluster_list[i]; 2062 2063 /* now read subproperties */ 2064 for (i = 0; i < num_clusters; i++) { 2065 char cluster_property[SDCA_PROPERTY_LENGTH]; 2066 struct fwnode_handle *cluster_node; 2067 2068 /* DisCo uses upper-case for hex numbers */ 2069 snprintf(cluster_property, sizeof(cluster_property), 2070 "mipi-sdca-cluster-id-0x%X-subproperties", clusters[i].id); 2071 2072 cluster_node = fwnode_get_named_child_node(function_node, cluster_property); 2073 if (!cluster_node) { 2074 dev_err(dev, "%pfwP: cluster node %s not found\n", 2075 function_node, cluster_property); 2076 return -EINVAL; 2077 } 2078 2079 ret = find_sdca_cluster_channels(dev, cluster_node, &clusters[i]); 2080 fwnode_handle_put(cluster_node); 2081 if (ret) 2082 return ret; 2083 } 2084 2085 function->num_clusters = num_clusters; 2086 function->clusters = clusters; 2087 2088 return 0; 2089 } 2090 2091 static int find_sdca_filesets(struct device *dev, struct sdw_slave *sdw, 2092 struct fwnode_handle *function_node, 2093 struct sdca_function_data *function) 2094 { 2095 static const int mult_fileset = 3; 2096 char fileset_name[SDCA_PROPERTY_LENGTH]; 2097 struct sdca_fdl_set *sets; 2098 int num_sets; 2099 int i, j; 2100 2101 num_sets = fwnode_property_count_u32(function_node, 2102 "mipi-sdca-file-set-id-list"); 2103 if (num_sets == 0 || num_sets == -EINVAL) { 2104 dev_dbg(dev, "%pfwP: file set id list missing\n", function_node); 2105 return 0; 2106 } else if (num_sets < 0) { 2107 dev_err(dev, "%pfwP: failed to read file set list: %d\n", 2108 function_node, num_sets); 2109 return num_sets; 2110 } 2111 2112 u32 *filesets_list __free(kfree) = kcalloc(num_sets, sizeof(u32), 2113 GFP_KERNEL); 2114 if (!filesets_list) 2115 return -ENOMEM; 2116 2117 fwnode_property_read_u32_array(function_node, "mipi-sdca-file-set-id-list", 2118 filesets_list, num_sets); 2119 2120 sets = devm_kcalloc(dev, num_sets, sizeof(*sets), GFP_KERNEL); 2121 if (!sets) 2122 return -ENOMEM; 2123 2124 for (i = 0; i < num_sets; i++) { 2125 struct sdca_fdl_set *set = &sets[i]; 2126 struct sdca_fdl_file *files; 2127 int num_files, num_entries; 2128 2129 snprintf(fileset_name, sizeof(fileset_name), 2130 "mipi-sdca-file-set-id-0x%X", filesets_list[i]); 2131 2132 num_entries = fwnode_property_count_u32(function_node, fileset_name); 2133 if (num_entries <= 0) { 2134 dev_err(dev, "%pfwP: file set %d missing entries: %d\n", 2135 function_node, filesets_list[i], num_entries); 2136 return -EINVAL; 2137 } else if (num_entries % mult_fileset != 0) { 2138 dev_err(dev, "%pfwP: file set %d files not multiple of %d\n", 2139 function_node, filesets_list[i], mult_fileset); 2140 return -EINVAL; 2141 } 2142 2143 dev_dbg(dev, "fileset: %#x\n", filesets_list[i]); 2144 2145 files = devm_kcalloc(dev, num_entries / mult_fileset, 2146 sizeof(*files), GFP_KERNEL); 2147 if (!files) 2148 return -ENOMEM; 2149 2150 u32 *fileset_entries __free(kfree) = kcalloc(num_entries, sizeof(u32), 2151 GFP_KERNEL); 2152 if (!fileset_entries) 2153 return -ENOMEM; 2154 2155 fwnode_property_read_u32_array(function_node, fileset_name, 2156 fileset_entries, num_entries); 2157 2158 for (j = 0, num_files = 0; j < num_entries; num_files++) { 2159 struct sdca_fdl_file *file = &files[num_files]; 2160 2161 file->vendor_id = fileset_entries[j++]; 2162 file->file_id = fileset_entries[j++]; 2163 file->fdl_offset = fileset_entries[j++]; 2164 2165 dev_dbg(dev, "file: %#x, vendor: %#x, offset: %#x\n", 2166 file->file_id, file->vendor_id, file->fdl_offset); 2167 } 2168 2169 set->id = filesets_list[i]; 2170 set->num_files = num_files; 2171 set->files = files; 2172 } 2173 2174 function->fdl_data.swft = sdw->sdca_data.swft; 2175 function->fdl_data.num_sets = num_sets; 2176 function->fdl_data.sets = sets; 2177 2178 return 0; 2179 } 2180 2181 /** 2182 * sdca_parse_function - parse ACPI DisCo for a Function 2183 * @dev: Pointer to device against which function data will be allocated. 2184 * @sdw: SoundWire slave device to be processed. 2185 * @function: Pointer to the Function information, to be populated. 2186 * 2187 * Return: Returns 0 for success. 2188 */ 2189 int sdca_parse_function(struct device *dev, struct sdw_slave *sdw, 2190 struct sdca_function_data *function) 2191 { 2192 struct fwnode_handle *node = function->desc->node; 2193 u32 tmp; 2194 int ret; 2195 2196 ret = fwnode_property_read_u32(node, "mipi-sdca-function-busy-max-delay", &tmp); 2197 if (!ret) 2198 function->busy_max_delay = tmp; 2199 2200 ret = fwnode_property_read_u32(node, "mipi-sdca-function-reset-max-delay", &tmp); 2201 if (ret || tmp == 0) { 2202 dev_dbg(dev, "reset delay missing, defaulting to 100mS\n"); 2203 function->reset_max_delay = 100000; 2204 } else { 2205 function->reset_max_delay = tmp; 2206 } 2207 2208 dev_dbg(dev, "%pfwP: name %s busy delay %dus reset delay %dus\n", 2209 node, function->desc->name, function->busy_max_delay, 2210 function->reset_max_delay); 2211 2212 ret = find_sdca_init_table(dev, node, function); 2213 if (ret) 2214 return ret; 2215 2216 ret = find_sdca_entities(dev, sdw, node, function); 2217 if (ret) 2218 return ret; 2219 2220 ret = find_sdca_connections(dev, node, function); 2221 if (ret) 2222 return ret; 2223 2224 ret = find_sdca_clusters(dev, node, function); 2225 if (ret < 0) 2226 return ret; 2227 2228 ret = find_sdca_filesets(dev, sdw, node, function); 2229 if (ret) 2230 return ret; 2231 2232 return 0; 2233 } 2234 EXPORT_SYMBOL_NS(sdca_parse_function, "SND_SOC_SDCA"); 2235 2236 const char *sdca_find_terminal_name(enum sdca_terminal_type type) 2237 { 2238 switch (type) { 2239 case SDCA_TERM_TYPE_LINEIN_STEREO: 2240 return SDCA_TERM_TYPE_LINEIN_STEREO_NAME; 2241 case SDCA_TERM_TYPE_LINEIN_FRONT_LR: 2242 return SDCA_TERM_TYPE_LINEIN_FRONT_LR_NAME; 2243 case SDCA_TERM_TYPE_LINEIN_CENTER_LFE: 2244 return SDCA_TERM_TYPE_LINEIN_CENTER_LFE_NAME; 2245 case SDCA_TERM_TYPE_LINEIN_SURROUND_LR: 2246 return SDCA_TERM_TYPE_LINEIN_SURROUND_LR_NAME; 2247 case SDCA_TERM_TYPE_LINEIN_REAR_LR: 2248 return SDCA_TERM_TYPE_LINEIN_REAR_LR_NAME; 2249 case SDCA_TERM_TYPE_LINEOUT_STEREO: 2250 return SDCA_TERM_TYPE_LINEOUT_STEREO_NAME; 2251 case SDCA_TERM_TYPE_LINEOUT_FRONT_LR: 2252 return SDCA_TERM_TYPE_LINEOUT_FRONT_LR_NAME; 2253 case SDCA_TERM_TYPE_LINEOUT_CENTER_LFE: 2254 return SDCA_TERM_TYPE_LINEOUT_CENTER_LFE_NAME; 2255 case SDCA_TERM_TYPE_LINEOUT_SURROUND_LR: 2256 return SDCA_TERM_TYPE_LINEOUT_SURROUND_LR_NAME; 2257 case SDCA_TERM_TYPE_LINEOUT_REAR_LR: 2258 return SDCA_TERM_TYPE_LINEOUT_REAR_LR_NAME; 2259 case SDCA_TERM_TYPE_MIC_JACK: 2260 return SDCA_TERM_TYPE_MIC_JACK_NAME; 2261 case SDCA_TERM_TYPE_STEREO_JACK: 2262 return SDCA_TERM_TYPE_STEREO_JACK_NAME; 2263 case SDCA_TERM_TYPE_FRONT_LR_JACK: 2264 return SDCA_TERM_TYPE_FRONT_LR_JACK_NAME; 2265 case SDCA_TERM_TYPE_CENTER_LFE_JACK: 2266 return SDCA_TERM_TYPE_CENTER_LFE_JACK_NAME; 2267 case SDCA_TERM_TYPE_SURROUND_LR_JACK: 2268 return SDCA_TERM_TYPE_SURROUND_LR_JACK_NAME; 2269 case SDCA_TERM_TYPE_REAR_LR_JACK: 2270 return SDCA_TERM_TYPE_REAR_LR_JACK_NAME; 2271 case SDCA_TERM_TYPE_HEADPHONE_JACK: 2272 return SDCA_TERM_TYPE_HEADPHONE_JACK_NAME; 2273 case SDCA_TERM_TYPE_HEADSET_JACK: 2274 return SDCA_TERM_TYPE_HEADSET_JACK_NAME; 2275 default: 2276 return NULL; 2277 } 2278 } 2279 EXPORT_SYMBOL_NS(sdca_find_terminal_name, "SND_SOC_SDCA"); 2280 2281 struct sdca_control *sdca_selector_find_control(struct device *dev, 2282 struct sdca_entity *entity, 2283 const int sel) 2284 { 2285 int i; 2286 2287 for (i = 0; i < entity->num_controls; i++) { 2288 struct sdca_control *control = &entity->controls[i]; 2289 2290 if (control->sel == sel) 2291 return control; 2292 } 2293 2294 dev_err(dev, "%s: control %#x: missing\n", entity->label, sel); 2295 return NULL; 2296 } 2297 EXPORT_SYMBOL_NS(sdca_selector_find_control, "SND_SOC_SDCA"); 2298 2299 struct sdca_control_range *sdca_control_find_range(struct device *dev, 2300 struct sdca_entity *entity, 2301 struct sdca_control *control, 2302 int cols, int rows) 2303 { 2304 struct sdca_control_range *range = &control->range; 2305 2306 if ((cols && range->cols != cols) || (rows && range->rows != rows) || 2307 !range->data) { 2308 dev_err(dev, "%s: control %#x: ranges invalid (%d,%d)\n", 2309 entity->label, control->sel, range->cols, range->rows); 2310 return NULL; 2311 } 2312 2313 return range; 2314 } 2315 EXPORT_SYMBOL_NS(sdca_control_find_range, "SND_SOC_SDCA"); 2316 2317 struct sdca_control_range *sdca_selector_find_range(struct device *dev, 2318 struct sdca_entity *entity, 2319 int sel, int cols, int rows) 2320 { 2321 struct sdca_control *control; 2322 2323 control = sdca_selector_find_control(dev, entity, sel); 2324 if (!control) 2325 return NULL; 2326 2327 return sdca_control_find_range(dev, entity, control, cols, rows); 2328 } 2329 EXPORT_SYMBOL_NS(sdca_selector_find_range, "SND_SOC_SDCA"); 2330 2331 struct sdca_cluster *sdca_id_find_cluster(struct device *dev, 2332 struct sdca_function_data *function, 2333 const int id) 2334 { 2335 int i; 2336 2337 for (i = 0; i < function->num_clusters; i++) { 2338 struct sdca_cluster *cluster = &function->clusters[i]; 2339 2340 if (cluster->id == id) 2341 return cluster; 2342 } 2343 2344 dev_err(dev, "%s: cluster %#x: missing\n", function->desc->name, id); 2345 return NULL; 2346 } 2347 EXPORT_SYMBOL_NS(sdca_id_find_cluster, "SND_SOC_SDCA"); 2348 2349 MODULE_LICENSE("Dual BSD/GPL"); 2350 MODULE_DESCRIPTION("SDCA library"); 2351