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 } else if ((num_init_writes / sizeof(*raw)) > SDCA_MAX_INIT_COUNT) { 220 dev_err(dev, "%pfwP: maximum init table size exceeded\n", function_node); 221 return -EINVAL; 222 } 223 224 raw = kzalloc(num_init_writes, GFP_KERNEL); 225 if (!raw) 226 return -ENOMEM; 227 228 fwnode_property_read_u8_array(function_node, 229 "mipi-sdca-function-initialization-table", 230 (u8 *)raw, num_init_writes); 231 232 num_init_writes /= sizeof(*raw); 233 234 init_write = devm_kcalloc(dev, num_init_writes, sizeof(*init_write), GFP_KERNEL); 235 if (!init_write) 236 return -ENOMEM; 237 238 for (i = 0; i < num_init_writes; i++) { 239 init_write[i].addr = le32_to_cpu(raw[i].addr); 240 init_write[i].val = raw[i].val; 241 } 242 243 function->num_init_table = num_init_writes; 244 function->init_table = init_write; 245 246 return 0; 247 } 248 249 static const char *find_sdca_control_label(struct device *dev, 250 const struct sdca_entity *entity, 251 const struct sdca_control *control) 252 { 253 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 254 case SDCA_CTL_TYPE_S(IT, MIC_BIAS): 255 return SDCA_CTL_MIC_BIAS_NAME; 256 case SDCA_CTL_TYPE_S(IT, USAGE): 257 case SDCA_CTL_TYPE_S(OT, USAGE): 258 return SDCA_CTL_USAGE_NAME; 259 case SDCA_CTL_TYPE_S(IT, LATENCY): 260 case SDCA_CTL_TYPE_S(OT, LATENCY): 261 case SDCA_CTL_TYPE_S(MU, LATENCY): 262 case SDCA_CTL_TYPE_S(SU, LATENCY): 263 case SDCA_CTL_TYPE_S(FU, LATENCY): 264 case SDCA_CTL_TYPE_S(XU, LATENCY): 265 case SDCA_CTL_TYPE_S(CRU, LATENCY): 266 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 267 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 268 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 269 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 270 case SDCA_CTL_TYPE_S(PPU, LATENCY): 271 return SDCA_CTL_LATENCY_NAME; 272 case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): 273 case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): 274 case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): 275 case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): 276 return SDCA_CTL_CLUSTERINDEX_NAME; 277 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 278 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 279 return SDCA_CTL_DATAPORT_SELECTOR_NAME; 280 case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): 281 case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): 282 case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): 283 return SDCA_CTL_MATCHING_GUID_NAME; 284 case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): 285 case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): 286 return SDCA_CTL_KEEP_ALIVE_NAME; 287 case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): 288 case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): 289 return SDCA_CTL_NDAI_STREAM_NAME; 290 case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): 291 case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): 292 return SDCA_CTL_NDAI_CATEGORY_NAME; 293 case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): 294 case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): 295 return SDCA_CTL_NDAI_CODINGTYPE_NAME; 296 case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): 297 case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): 298 return SDCA_CTL_NDAI_PACKETTYPE_NAME; 299 case SDCA_CTL_TYPE_S(MU, MIXER): 300 return SDCA_CTL_MIXER_NAME; 301 case SDCA_CTL_TYPE_S(SU, SELECTOR): 302 return SDCA_CTL_SELECTOR_NAME; 303 case SDCA_CTL_TYPE_S(FU, MUTE): 304 return SDCA_CTL_MUTE_NAME; 305 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 306 return SDCA_CTL_CHANNEL_VOLUME_NAME; 307 case SDCA_CTL_TYPE_S(FU, AGC): 308 return SDCA_CTL_AGC_NAME; 309 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 310 return SDCA_CTL_BASS_BOOST_NAME; 311 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 312 return SDCA_CTL_LOUDNESS_NAME; 313 case SDCA_CTL_TYPE_S(FU, GAIN): 314 return SDCA_CTL_GAIN_NAME; 315 case SDCA_CTL_TYPE_S(XU, BYPASS): 316 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 317 return SDCA_CTL_BYPASS_NAME; 318 case SDCA_CTL_TYPE_S(XU, XU_ID): 319 return SDCA_CTL_XU_ID_NAME; 320 case SDCA_CTL_TYPE_S(XU, XU_VERSION): 321 return SDCA_CTL_XU_VERSION_NAME; 322 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 323 return SDCA_CTL_FDL_CURRENTOWNER_NAME; 324 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 325 return SDCA_CTL_FDL_MESSAGEOFFSET_NAME; 326 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 327 return SDCA_CTL_FDL_MESSAGELENGTH_NAME; 328 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 329 return SDCA_CTL_FDL_STATUS_NAME; 330 case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): 331 return SDCA_CTL_FDL_SET_INDEX_NAME; 332 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 333 return SDCA_CTL_FDL_HOST_REQUEST_NAME; 334 case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): 335 return SDCA_CTL_CLOCK_VALID_NAME; 336 case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): 337 return SDCA_CTL_SAMPLERATEINDEX_NAME; 338 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 339 return SDCA_CTL_CLOCK_SELECT_NAME; 340 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 341 return SDCA_CTL_REQUESTED_PS_NAME; 342 case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): 343 return SDCA_CTL_ACTUAL_PS_NAME; 344 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 345 return SDCA_CTL_SELECTED_MODE_NAME; 346 case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): 347 return SDCA_CTL_DETECTED_MODE_NAME; 348 case SDCA_CTL_TYPE_S(SPE, PRIVATE): 349 return SDCA_CTL_PRIVATE_NAME; 350 case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): 351 return SDCA_CTL_PRIVACY_POLICY_NAME; 352 case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): 353 return SDCA_CTL_PRIVACY_LOCKSTATE_NAME; 354 case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): 355 return SDCA_CTL_PRIVACY_OWNER_NAME; 356 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 357 return SDCA_CTL_AUTHTX_CURRENTOWNER_NAME; 358 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 359 return SDCA_CTL_AUTHTX_MESSAGEOFFSET_NAME; 360 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 361 return SDCA_CTL_AUTHTX_MESSAGELENGTH_NAME; 362 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 363 return SDCA_CTL_AUTHRX_CURRENTOWNER_NAME; 364 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 365 return SDCA_CTL_AUTHRX_MESSAGEOFFSET_NAME; 366 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 367 return SDCA_CTL_AUTHRX_MESSAGELENGTH_NAME; 368 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 369 return SDCA_CTL_ACOUSTIC_ENERGY_LEVEL_MONITOR_NAME; 370 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 371 return SDCA_CTL_ULTRASOUND_LOOP_GAIN_NAME; 372 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): 373 return SDCA_CTL_OPAQUESET_0_NAME; 374 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): 375 return SDCA_CTL_OPAQUESET_1_NAME; 376 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): 377 return SDCA_CTL_OPAQUESET_2_NAME; 378 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): 379 return SDCA_CTL_OPAQUESET_3_NAME; 380 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): 381 return SDCA_CTL_OPAQUESET_4_NAME; 382 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): 383 return SDCA_CTL_OPAQUESET_5_NAME; 384 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): 385 return SDCA_CTL_OPAQUESET_6_NAME; 386 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): 387 return SDCA_CTL_OPAQUESET_7_NAME; 388 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): 389 return SDCA_CTL_OPAQUESET_8_NAME; 390 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): 391 return SDCA_CTL_OPAQUESET_9_NAME; 392 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): 393 return SDCA_CTL_OPAQUESET_10_NAME; 394 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): 395 return SDCA_CTL_OPAQUESET_11_NAME; 396 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): 397 return SDCA_CTL_OPAQUESET_12_NAME; 398 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): 399 return SDCA_CTL_OPAQUESET_13_NAME; 400 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): 401 return SDCA_CTL_OPAQUESET_14_NAME; 402 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): 403 return SDCA_CTL_OPAQUESET_15_NAME; 404 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): 405 return SDCA_CTL_OPAQUESET_16_NAME; 406 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): 407 return SDCA_CTL_OPAQUESET_17_NAME; 408 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): 409 return SDCA_CTL_OPAQUESET_18_NAME; 410 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): 411 return SDCA_CTL_OPAQUESET_19_NAME; 412 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): 413 return SDCA_CTL_OPAQUESET_20_NAME; 414 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): 415 return SDCA_CTL_OPAQUESET_21_NAME; 416 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): 417 return SDCA_CTL_OPAQUESET_22_NAME; 418 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): 419 return SDCA_CTL_OPAQUESET_23_NAME; 420 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): 421 return SDCA_CTL_ALGORITHM_READY_NAME; 422 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): 423 return SDCA_CTL_ALGORITHM_ENABLE_NAME; 424 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): 425 return SDCA_CTL_ALGORITHM_PREPARE_NAME; 426 case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): 427 return SDCA_CTL_CENTER_FREQUENCY_INDEX_NAME; 428 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 429 return SDCA_CTL_ULTRASOUND_LEVEL_NAME; 430 case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): 431 return SDCA_CTL_AE_NUMBER_NAME; 432 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 433 return SDCA_CTL_AE_CURRENTOWNER_NAME; 434 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 435 return SDCA_CTL_AE_MESSAGEOFFSET_NAME; 436 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 437 return SDCA_CTL_AE_MESSAGELENGTH_NAME; 438 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 439 return SDCA_CTL_TRIGGER_ENABLE_NAME; 440 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): 441 return SDCA_CTL_TRIGGER_STATUS_NAME; 442 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): 443 return SDCA_CTL_HIST_BUFFER_MODE_NAME; 444 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): 445 return SDCA_CTL_HIST_BUFFER_PREAMBLE_NAME; 446 case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): 447 return SDCA_CTL_HIST_ERROR_NAME; 448 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_EXTENSION): 449 return SDCA_CTL_TRIGGER_EXTENSION_NAME; 450 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): 451 return SDCA_CTL_TRIGGER_READY_NAME; 452 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 453 return SDCA_CTL_HIST_CURRENTOWNER_NAME; 454 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 455 return SDCA_CTL_HIST_MESSAGEOFFSET_NAME; 456 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 457 return SDCA_CTL_HIST_MESSAGELENGTH_NAME; 458 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 459 return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; 460 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 461 return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; 462 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 463 return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; 464 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 465 return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; 466 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 467 return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; 468 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 469 return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; 470 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): 471 return SDCA_CTL_PROTECTION_MODE_NAME; 472 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): 473 return SDCA_CTL_PROTECTION_STATUS_NAME; 474 case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): 475 return SDCA_CTL_OPAQUESETREQ_INDEX_NAME; 476 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 477 return SDCA_CTL_DTODTX_CURRENTOWNER_NAME; 478 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 479 return SDCA_CTL_DTODTX_MESSAGEOFFSET_NAME; 480 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 481 return SDCA_CTL_DTODTX_MESSAGELENGTH_NAME; 482 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 483 return SDCA_CTL_DTODRX_CURRENTOWNER_NAME; 484 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 485 return SDCA_CTL_DTODRX_MESSAGEOFFSET_NAME; 486 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 487 return SDCA_CTL_DTODRX_MESSAGELENGTH_NAME; 488 case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): 489 return SDCA_CTL_POSTURENUMBER_NAME; 490 case SDCA_CTL_TYPE_S(PPU, POSTUREEXTENSION): 491 return SDCA_CTL_POSTUREEXTENSION_NAME; 492 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 493 return SDCA_CTL_HORIZONTALBALANCE_NAME; 494 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 495 return SDCA_CTL_VERTICALBALANCE_NAME; 496 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 497 return SDCA_CTL_TONE_DIVIDER_NAME; 498 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 499 return SDCA_CTL_HIDTX_CURRENTOWNER_NAME; 500 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 501 return SDCA_CTL_HIDTX_MESSAGEOFFSET_NAME; 502 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 503 return SDCA_CTL_HIDTX_MESSAGELENGTH_NAME; 504 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 505 return SDCA_CTL_HIDRX_CURRENTOWNER_NAME; 506 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 507 return SDCA_CTL_HIDRX_MESSAGEOFFSET_NAME; 508 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 509 return SDCA_CTL_HIDRX_MESSAGELENGTH_NAME; 510 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 511 return SDCA_CTL_COMMIT_GROUP_MASK_NAME; 512 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): 513 return SDCA_CTL_FUNCTION_SDCA_VERSION_NAME; 514 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): 515 return SDCA_CTL_FUNCTION_TYPE_NAME; 516 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 517 return SDCA_CTL_FUNCTION_MANUFACTURER_ID_NAME; 518 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 519 return SDCA_CTL_FUNCTION_ID_NAME; 520 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): 521 return SDCA_CTL_FUNCTION_VERSION_NAME; 522 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 523 return SDCA_CTL_FUNCTION_EXTENSION_ID_NAME; 524 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): 525 return SDCA_CTL_FUNCTION_EXTENSION_VERSION_NAME; 526 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): 527 return SDCA_CTL_FUNCTION_STATUS_NAME; 528 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): 529 return SDCA_CTL_FUNCTION_ACTION_NAME; 530 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 531 return SDCA_CTL_DEVICE_MANUFACTURER_ID_NAME; 532 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 533 return SDCA_CTL_DEVICE_PART_ID_NAME; 534 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): 535 return SDCA_CTL_DEVICE_VERSION_NAME; 536 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): 537 return SDCA_CTL_DEVICE_SDCA_VERSION_NAME; 538 default: 539 return devm_kasprintf(dev, GFP_KERNEL, "Imp-Def %#x", control->sel); 540 } 541 } 542 543 static unsigned int find_sdca_control_bits(const struct sdca_entity *entity, 544 const struct sdca_control *control) 545 { 546 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 547 case SDCA_CTL_TYPE_S(IT, LATENCY): 548 case SDCA_CTL_TYPE_S(OT, LATENCY): 549 case SDCA_CTL_TYPE_S(MU, LATENCY): 550 case SDCA_CTL_TYPE_S(SU, LATENCY): 551 case SDCA_CTL_TYPE_S(FU, LATENCY): 552 case SDCA_CTL_TYPE_S(XU, LATENCY): 553 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 554 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 555 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 556 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 557 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 558 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 559 case SDCA_CTL_TYPE_S(CRU, LATENCY): 560 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 561 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 562 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 563 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 564 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 565 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 566 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 567 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 568 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 569 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 570 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 571 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 572 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 573 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 574 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 575 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 576 case SDCA_CTL_TYPE_S(PPU, LATENCY): 577 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 578 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 579 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 580 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 581 return 32; 582 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 583 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 584 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 585 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 586 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 587 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 588 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 589 case SDCA_CTL_TYPE_S(MU, MIXER): 590 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 591 case SDCA_CTL_TYPE_S(FU, GAIN): 592 case SDCA_CTL_TYPE_S(XU, XU_ID): 593 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 594 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 595 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 596 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 597 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 598 return 16; 599 case SDCA_CTL_TYPE_S(FU, MUTE): 600 case SDCA_CTL_TYPE_S(FU, AGC): 601 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 602 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 603 case SDCA_CTL_TYPE_S(XU, BYPASS): 604 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 605 return 1; 606 default: 607 return 8; 608 } 609 } 610 611 static enum sdca_control_datatype 612 find_sdca_control_datatype(const struct sdca_entity *entity, 613 const struct sdca_control *control) 614 { 615 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 616 case SDCA_CTL_TYPE_S(XU, BYPASS): 617 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 618 case SDCA_CTL_TYPE_S(FU, MUTE): 619 case SDCA_CTL_TYPE_S(FU, AGC): 620 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 621 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 622 return SDCA_CTL_DATATYPE_ONEBIT; 623 case SDCA_CTL_TYPE_S(IT, LATENCY): 624 case SDCA_CTL_TYPE_S(OT, LATENCY): 625 case SDCA_CTL_TYPE_S(MU, LATENCY): 626 case SDCA_CTL_TYPE_S(SU, LATENCY): 627 case SDCA_CTL_TYPE_S(FU, LATENCY): 628 case SDCA_CTL_TYPE_S(XU, LATENCY): 629 case SDCA_CTL_TYPE_S(CRU, LATENCY): 630 case SDCA_CTL_TYPE_S(UDMPU, LATENCY): 631 case SDCA_CTL_TYPE_S(MFPU, LATENCY): 632 case SDCA_CTL_TYPE_S(SMPU, LATENCY): 633 case SDCA_CTL_TYPE_S(SAPU, LATENCY): 634 case SDCA_CTL_TYPE_S(PPU, LATENCY): 635 case SDCA_CTL_TYPE_S(SU, SELECTOR): 636 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_0): 637 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_1): 638 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_2): 639 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_3): 640 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_4): 641 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_5): 642 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_6): 643 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_7): 644 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_8): 645 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_9): 646 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_10): 647 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_11): 648 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_12): 649 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_13): 650 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_14): 651 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_15): 652 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_16): 653 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_17): 654 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_18): 655 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_19): 656 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_20): 657 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_21): 658 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_22): 659 case SDCA_CTL_TYPE_S(UDMPU, OPAQUESET_23): 660 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_MODE): 661 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_PREAMBLE): 662 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 663 case SDCA_CTL_TYPE_S(XU, XU_ID): 664 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 665 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 666 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_MANUFACTURER_ID): 667 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ID): 668 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_ID): 669 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_MANUFACTURER_ID): 670 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_PART_ID): 671 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 672 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 673 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 674 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 675 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 676 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 677 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 678 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 679 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 680 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 681 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 682 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 683 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 684 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 685 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 686 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 687 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 688 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 689 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 690 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 691 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 692 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 693 return SDCA_CTL_DATATYPE_INTEGER; 694 case SDCA_CTL_TYPE_S(IT, MIC_BIAS): 695 case SDCA_CTL_TYPE_S(SMPU, HIST_BUFFER_MODE): 696 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 697 case SDCA_CTL_TYPE_S(PDE, ACTUAL_PS): 698 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_TYPE): 699 return SDCA_CTL_DATATYPE_SPEC_ENCODED_VALUE; 700 case SDCA_CTL_TYPE_S(XU, XU_VERSION): 701 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_SDCA_VERSION): 702 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_VERSION): 703 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_EXTENSION_VERSION): 704 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_VERSION): 705 case SDCA_CTL_TYPE_S(ENTITY_0, DEVICE_SDCA_VERSION): 706 return SDCA_CTL_DATATYPE_BCD; 707 case SDCA_CTL_TYPE_S(FU, CHANNEL_VOLUME): 708 case SDCA_CTL_TYPE_S(FU, GAIN): 709 case SDCA_CTL_TYPE_S(MU, MIXER): 710 case SDCA_CTL_TYPE_S(PPU, HORIZONTALBALANCE): 711 case SDCA_CTL_TYPE_S(PPU, VERTICALBALANCE): 712 case SDCA_CTL_TYPE_S(MFPU, ULTRASOUND_LEVEL): 713 case SDCA_CTL_TYPE_S(UDMPU, ACOUSTIC_ENERGY_LEVEL_MONITOR): 714 case SDCA_CTL_TYPE_S(UDMPU, ULTRASOUND_LOOP_GAIN): 715 return SDCA_CTL_DATATYPE_Q7P8DB; 716 case SDCA_CTL_TYPE_S(IT, USAGE): 717 case SDCA_CTL_TYPE_S(OT, USAGE): 718 case SDCA_CTL_TYPE_S(IT, CLUSTERINDEX): 719 case SDCA_CTL_TYPE_S(CRU, CLUSTERINDEX): 720 case SDCA_CTL_TYPE_S(UDMPU, CLUSTERINDEX): 721 case SDCA_CTL_TYPE_S(MFPU, CLUSTERINDEX): 722 case SDCA_CTL_TYPE_S(MFPU, CENTER_FREQUENCY_INDEX): 723 case SDCA_CTL_TYPE_S(MFPU, AE_NUMBER): 724 case SDCA_CTL_TYPE_S(SAPU, OPAQUESETREQ_INDEX): 725 case SDCA_CTL_TYPE_S(XU, FDL_SET_INDEX): 726 case SDCA_CTL_TYPE_S(CS, SAMPLERATEINDEX): 727 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 728 case SDCA_CTL_TYPE_S(GE, DETECTED_MODE): 729 return SDCA_CTL_DATATYPE_BYTEINDEX; 730 case SDCA_CTL_TYPE_S(PPU, POSTURENUMBER): 731 return SDCA_CTL_DATATYPE_POSTURENUMBER; 732 case SDCA_CTL_TYPE_S(IT, DATAPORT_SELECTOR): 733 case SDCA_CTL_TYPE_S(OT, DATAPORT_SELECTOR): 734 return SDCA_CTL_DATATYPE_DP_INDEX; 735 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_READY): 736 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_ENABLE): 737 case SDCA_CTL_TYPE_S(MFPU, ALGORITHM_PREPARE): 738 case SDCA_CTL_TYPE_S(SAPU, PROTECTION_STATUS): 739 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 740 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_STATUS): 741 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_READY): 742 case SDCA_CTL_TYPE_S(SPE, PRIVACY_POLICY): 743 case SDCA_CTL_TYPE_S(SPE, PRIVACY_OWNER): 744 return SDCA_CTL_DATATYPE_BITINDEX; 745 case SDCA_CTL_TYPE_S(IT, KEEP_ALIVE): 746 case SDCA_CTL_TYPE_S(OT, KEEP_ALIVE): 747 case SDCA_CTL_TYPE_S(IT, NDAI_STREAM): 748 case SDCA_CTL_TYPE_S(OT, NDAI_STREAM): 749 case SDCA_CTL_TYPE_S(IT, NDAI_CATEGORY): 750 case SDCA_CTL_TYPE_S(OT, NDAI_CATEGORY): 751 case SDCA_CTL_TYPE_S(IT, NDAI_CODINGTYPE): 752 case SDCA_CTL_TYPE_S(OT, NDAI_CODINGTYPE): 753 case SDCA_CTL_TYPE_S(IT, NDAI_PACKETTYPE): 754 case SDCA_CTL_TYPE_S(OT, NDAI_PACKETTYPE): 755 case SDCA_CTL_TYPE_S(SMPU, HIST_ERROR): 756 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 757 case SDCA_CTL_TYPE_S(CS, CLOCK_VALID): 758 case SDCA_CTL_TYPE_S(SPE, PRIVACY_LOCKSTATE): 759 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 760 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_STATUS): 761 case SDCA_CTL_TYPE_S(ENTITY_0, FUNCTION_ACTION): 762 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 763 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 764 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 765 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 766 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 767 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 768 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 769 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 770 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 771 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 772 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 773 return SDCA_CTL_DATATYPE_BITMAP; 774 case SDCA_CTL_TYPE_S(IT, MATCHING_GUID): 775 case SDCA_CTL_TYPE_S(OT, MATCHING_GUID): 776 case SDCA_CTL_TYPE_S(ENTITY_0, MATCHING_GUID): 777 return SDCA_CTL_DATATYPE_GUID; 778 default: 779 return SDCA_CTL_DATATYPE_IMPDEF; 780 } 781 } 782 783 static bool find_sdca_control_volatile(const struct sdca_entity *entity, 784 const struct sdca_control *control) 785 { 786 switch (control->mode) { 787 case SDCA_ACCESS_MODE_DC: 788 return false; 789 case SDCA_ACCESS_MODE_RO: 790 case SDCA_ACCESS_MODE_RW1S: 791 case SDCA_ACCESS_MODE_RW1C: 792 return true; 793 default: 794 break; 795 } 796 797 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 798 case SDCA_CTL_TYPE_S(XU, FDL_CURRENTOWNER): 799 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGEOFFSET): 800 case SDCA_CTL_TYPE_S(XU, FDL_MESSAGELENGTH): 801 case SDCA_CTL_TYPE_S(XU, FDL_STATUS): 802 case SDCA_CTL_TYPE_S(XU, FDL_HOST_REQUEST): 803 case SDCA_CTL_TYPE_S(SPE, AUTHTX_CURRENTOWNER): 804 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGEOFFSET): 805 case SDCA_CTL_TYPE_S(SPE, AUTHTX_MESSAGELENGTH): 806 case SDCA_CTL_TYPE_S(SPE, AUTHRX_CURRENTOWNER): 807 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGEOFFSET): 808 case SDCA_CTL_TYPE_S(SPE, AUTHRX_MESSAGELENGTH): 809 case SDCA_CTL_TYPE_S(MFPU, AE_CURRENTOWNER): 810 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGEOFFSET): 811 case SDCA_CTL_TYPE_S(MFPU, AE_MESSAGELENGTH): 812 case SDCA_CTL_TYPE_S(SMPU, HIST_CURRENTOWNER): 813 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGEOFFSET): 814 case SDCA_CTL_TYPE_S(SMPU, HIST_MESSAGELENGTH): 815 case SDCA_CTL_TYPE_S(SMPU, DTODTX_CURRENTOWNER): 816 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGEOFFSET): 817 case SDCA_CTL_TYPE_S(SMPU, DTODTX_MESSAGELENGTH): 818 case SDCA_CTL_TYPE_S(SMPU, DTODRX_CURRENTOWNER): 819 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGEOFFSET): 820 case SDCA_CTL_TYPE_S(SMPU, DTODRX_MESSAGELENGTH): 821 case SDCA_CTL_TYPE_S(SAPU, DTODTX_CURRENTOWNER): 822 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGEOFFSET): 823 case SDCA_CTL_TYPE_S(SAPU, DTODTX_MESSAGELENGTH): 824 case SDCA_CTL_TYPE_S(SAPU, DTODRX_CURRENTOWNER): 825 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGEOFFSET): 826 case SDCA_CTL_TYPE_S(SAPU, DTODRX_MESSAGELENGTH): 827 case SDCA_CTL_TYPE_S(HIDE, HIDTX_CURRENTOWNER): 828 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGEOFFSET): 829 case SDCA_CTL_TYPE_S(HIDE, HIDTX_MESSAGELENGTH): 830 case SDCA_CTL_TYPE_S(HIDE, HIDRX_CURRENTOWNER): 831 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGEOFFSET): 832 case SDCA_CTL_TYPE_S(HIDE, HIDRX_MESSAGELENGTH): 833 return true; 834 default: 835 return false; 836 } 837 } 838 839 static int find_sdca_control_range(struct device *dev, 840 struct fwnode_handle *control_node, 841 struct sdca_control_range *range) 842 { 843 u8 *range_list; 844 int num_range; 845 u16 *limits; 846 int i; 847 848 num_range = fwnode_property_count_u8(control_node, "mipi-sdca-control-range"); 849 if (!num_range || num_range == -EINVAL) 850 return 0; 851 else if (num_range < 0) 852 return num_range; 853 854 range_list = devm_kcalloc(dev, num_range, sizeof(*range_list), GFP_KERNEL); 855 if (!range_list) 856 return -ENOMEM; 857 858 fwnode_property_read_u8_array(control_node, "mipi-sdca-control-range", 859 range_list, num_range); 860 861 limits = (u16 *)range_list; 862 863 range->cols = le16_to_cpu(limits[0]); 864 range->rows = le16_to_cpu(limits[1]); 865 range->data = (u32 *)&limits[2]; 866 867 num_range = (num_range - (2 * sizeof(*limits))) / sizeof(*range->data); 868 if (num_range != range->cols * range->rows) 869 return -EINVAL; 870 871 for (i = 0; i < num_range; i++) 872 range->data[i] = le32_to_cpu(range->data[i]); 873 874 return 0; 875 } 876 877 static int find_sdca_control_value(struct device *dev, struct sdca_entity *entity, 878 struct fwnode_handle *control_node, 879 struct sdca_control *control, 880 const char * const label) 881 { 882 char property[SDCA_PROPERTY_LENGTH]; 883 bool global = true; 884 int ret, cn, i; 885 u32 tmp; 886 887 snprintf(property, sizeof(property), "mipi-sdca-control-%s", label); 888 889 ret = fwnode_property_read_u32(control_node, property, &tmp); 890 if (ret == -EINVAL) 891 global = false; 892 else if (ret) 893 return ret; 894 895 i = 0; 896 for_each_set_bit(cn, (unsigned long *)&control->cn_list, 897 BITS_PER_TYPE(control->cn_list)) { 898 if (!global) { 899 snprintf(property, sizeof(property), 900 "mipi-sdca-control-cn-%d-%s", cn, label); 901 902 ret = fwnode_property_read_u32(control_node, property, &tmp); 903 if (ret) 904 return ret; 905 } 906 907 control->values[i] = tmp; 908 i++; 909 } 910 911 return 0; 912 } 913 914 static int find_sdca_control_reset(const struct sdca_entity *entity, 915 struct sdca_control *control) 916 { 917 switch (SDCA_CTL_TYPE(entity->type, control->sel)) { 918 case SDCA_CTL_TYPE_S(FU, AGC): 919 case SDCA_CTL_TYPE_S(FU, BASS_BOOST): 920 case SDCA_CTL_TYPE_S(FU, LOUDNESS): 921 case SDCA_CTL_TYPE_S(SMPU, TRIGGER_ENABLE): 922 case SDCA_CTL_TYPE_S(GE, SELECTED_MODE): 923 case SDCA_CTL_TYPE_S(TG, TONE_DIVIDER): 924 case SDCA_CTL_TYPE_S(ENTITY_0, COMMIT_GROUP_MASK): 925 control->has_reset = true; 926 control->reset = 0; 927 break; 928 case SDCA_CTL_TYPE_S(XU, BYPASS): 929 case SDCA_CTL_TYPE_S(MFPU, BYPASS): 930 case SDCA_CTL_TYPE_S(FU, MUTE): 931 case SDCA_CTL_TYPE_S(CX, CLOCK_SELECT): 932 control->has_reset = true; 933 control->reset = 1; 934 break; 935 case SDCA_CTL_TYPE_S(PDE, REQUESTED_PS): 936 control->has_reset = true; 937 control->reset = 3; 938 break; 939 default: 940 break; 941 } 942 943 return 0; 944 } 945 946 static int find_sdca_entity_control(struct device *dev, struct sdca_entity *entity, 947 struct fwnode_handle *control_node, 948 struct sdca_control *control) 949 { 950 u32 tmp; 951 int ret; 952 953 ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-mode", &tmp); 954 if (ret) { 955 dev_err(dev, "%s: control %#x: access mode missing: %d\n", 956 entity->label, control->sel, ret); 957 return ret; 958 } 959 960 control->mode = tmp; 961 962 ret = fwnode_property_read_u32(control_node, "mipi-sdca-control-access-layer", &tmp); 963 if (ret) { 964 dev_err(dev, "%s: control %#x: access layer missing: %d\n", 965 entity->label, control->sel, ret); 966 return ret; 967 } 968 969 control->layers = tmp; 970 971 ret = fwnode_property_read_u64(control_node, "mipi-sdca-control-cn-list", 972 &control->cn_list); 973 if (ret == -EINVAL) { 974 /* Spec allows not specifying cn-list if only the first number is used */ 975 control->cn_list = 0x1; 976 } else if (ret || !control->cn_list) { 977 dev_err(dev, "%s: control %#x: cn list missing: %d\n", 978 entity->label, control->sel, ret); 979 return ret; 980 } 981 982 control->values = devm_kcalloc(dev, hweight64(control->cn_list), 983 sizeof(*control->values), GFP_KERNEL); 984 if (!control->values) 985 return -ENOMEM; 986 987 switch (control->mode) { 988 case SDCA_ACCESS_MODE_DC: 989 ret = find_sdca_control_value(dev, entity, control_node, control, 990 "dc-value"); 991 if (ret) { 992 dev_err(dev, "%s: control %#x: dc value missing: %d\n", 993 entity->label, control->sel, ret); 994 return ret; 995 } 996 997 control->has_fixed = true; 998 break; 999 case SDCA_ACCESS_MODE_RW: 1000 case SDCA_ACCESS_MODE_DUAL: 1001 ret = find_sdca_control_value(dev, entity, control_node, control, 1002 "default-value"); 1003 if (!ret) 1004 control->has_default = true; 1005 1006 ret = find_sdca_control_value(dev, entity, control_node, control, 1007 "fixed-value"); 1008 if (!ret) 1009 control->has_fixed = true; 1010 fallthrough; 1011 case SDCA_ACCESS_MODE_RO: 1012 control->deferrable = fwnode_property_read_bool(control_node, 1013 "mipi-sdca-control-deferrable"); 1014 break; 1015 default: 1016 break; 1017 } 1018 1019 control->is_volatile = find_sdca_control_volatile(entity, control); 1020 1021 ret = find_sdca_control_reset(entity, control); 1022 if (ret) 1023 return ret; 1024 1025 ret = find_sdca_control_range(dev, control_node, &control->range); 1026 if (ret) { 1027 dev_err(dev, "%s: control %#x: range missing: %d\n", 1028 entity->label, control->sel, ret); 1029 return ret; 1030 } 1031 1032 ret = fwnode_property_read_u32(control_node, 1033 "mipi-sdca-control-interrupt-position", 1034 &tmp); 1035 if (!ret) 1036 control->interrupt_position = tmp; 1037 else 1038 control->interrupt_position = SDCA_NO_INTERRUPT; 1039 1040 control->label = find_sdca_control_label(dev, entity, control); 1041 if (!control->label) 1042 return -ENOMEM; 1043 1044 control->type = find_sdca_control_datatype(entity, control); 1045 control->nbits = find_sdca_control_bits(entity, control); 1046 1047 dev_dbg(dev, "%s: %s: control %#x mode %#x layers %#x cn %#llx int %d %s\n", 1048 entity->label, control->label, control->sel, 1049 control->mode, control->layers, control->cn_list, 1050 control->interrupt_position, control->deferrable ? "deferrable" : ""); 1051 1052 return 0; 1053 } 1054 1055 static int find_sdca_entity_controls(struct device *dev, 1056 struct fwnode_handle *entity_node, 1057 struct sdca_entity *entity) 1058 { 1059 struct sdca_control *controls; 1060 int num_controls; 1061 u64 control_list; 1062 int control_sel; 1063 int i, ret; 1064 1065 ret = fwnode_property_read_u64(entity_node, "mipi-sdca-control-list", &control_list); 1066 if (ret == -EINVAL) { 1067 /* Allow missing control lists, assume no controls. */ 1068 dev_warn(dev, "%s: missing control list\n", entity->label); 1069 return 0; 1070 } else if (ret) { 1071 dev_err(dev, "%s: failed to read control list: %d\n", entity->label, ret); 1072 return ret; 1073 } else if (!control_list) { 1074 return 0; 1075 } 1076 1077 num_controls = hweight64(control_list); 1078 controls = devm_kcalloc(dev, num_controls, sizeof(*controls), GFP_KERNEL); 1079 if (!controls) 1080 return -ENOMEM; 1081 1082 i = 0; 1083 for_each_set_bit(control_sel, (unsigned long *)&control_list, 1084 BITS_PER_TYPE(control_list)) { 1085 struct fwnode_handle *control_node; 1086 char control_property[SDCA_PROPERTY_LENGTH]; 1087 1088 /* DisCo uses upper-case for hex numbers */ 1089 snprintf(control_property, sizeof(control_property), 1090 "mipi-sdca-control-0x%X-subproperties", control_sel); 1091 1092 control_node = fwnode_get_named_child_node(entity_node, control_property); 1093 if (!control_node) { 1094 dev_err(dev, "%s: control node %s not found\n", 1095 entity->label, control_property); 1096 return -EINVAL; 1097 } 1098 1099 controls[i].sel = control_sel; 1100 1101 ret = find_sdca_entity_control(dev, entity, control_node, &controls[i]); 1102 fwnode_handle_put(control_node); 1103 if (ret) 1104 return ret; 1105 1106 i++; 1107 } 1108 1109 entity->num_controls = num_controls; 1110 entity->controls = controls; 1111 1112 return 0; 1113 } 1114 1115 static bool find_sdca_iot_dataport(struct sdca_entity_iot *terminal) 1116 { 1117 switch (terminal->type) { 1118 case SDCA_TERM_TYPE_GENERIC: 1119 case SDCA_TERM_TYPE_ULTRASOUND: 1120 case SDCA_TERM_TYPE_CAPTURE_DIRECT_PCM_MIC: 1121 case SDCA_TERM_TYPE_RAW_PDM_MIC: 1122 case SDCA_TERM_TYPE_SPEECH: 1123 case SDCA_TERM_TYPE_VOICE: 1124 case SDCA_TERM_TYPE_SECONDARY_PCM_MIC: 1125 case SDCA_TERM_TYPE_ACOUSTIC_CONTEXT_AWARENESS: 1126 case SDCA_TERM_TYPE_DTOD_STREAM: 1127 case SDCA_TERM_TYPE_REFERENCE_STREAM: 1128 case SDCA_TERM_TYPE_SENSE_CAPTURE: 1129 case SDCA_TERM_TYPE_STREAMING_MIC: 1130 case SDCA_TERM_TYPE_OPTIMIZATION_STREAM: 1131 case SDCA_TERM_TYPE_PDM_RENDER_STREAM: 1132 case SDCA_TERM_TYPE_COMPANION_DATA: 1133 return true; 1134 default: 1135 return false; 1136 } 1137 } 1138 1139 static int find_sdca_entity_iot(struct device *dev, 1140 struct fwnode_handle *entity_node, 1141 struct sdca_entity *entity) 1142 { 1143 struct sdca_entity_iot *terminal = &entity->iot; 1144 u32 tmp; 1145 int ret; 1146 1147 ret = fwnode_property_read_u32(entity_node, "mipi-sdca-terminal-type", &tmp); 1148 if (ret) { 1149 dev_err(dev, "%s: terminal type missing: %d\n", entity->label, ret); 1150 return ret; 1151 } 1152 1153 terminal->type = tmp; 1154 terminal->is_dataport = find_sdca_iot_dataport(terminal); 1155 1156 if (!terminal->is_dataport) { 1157 const char *type_name = sdca_find_terminal_name(terminal->type); 1158 1159 if (type_name) 1160 entity->label = devm_kasprintf(dev, GFP_KERNEL, "%s %s", 1161 entity->label, type_name); 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 int i; 1605 1606 for (i = 0; i < function->num_entities; i++) { 1607 struct sdca_entity *entity = &function->entities[i]; 1608 1609 if (!strncmp(entity->label, entity_label, strlen(entity_label))) 1610 return entity; 1611 } 1612 1613 return NULL; 1614 } 1615 1616 static struct sdca_entity *find_sdca_entity_by_id(struct sdca_function_data *function, 1617 const int id) 1618 { 1619 int i; 1620 1621 for (i = 0; i < function->num_entities; i++) { 1622 struct sdca_entity *entity = &function->entities[i]; 1623 1624 if (entity->id == id) 1625 return entity; 1626 } 1627 1628 return NULL; 1629 } 1630 1631 static int find_sdca_entity_connection_iot(struct device *dev, 1632 struct sdca_function_data *function, 1633 struct fwnode_handle *entity_node, 1634 struct sdca_entity *entity) 1635 { 1636 struct sdca_entity_iot *terminal = &entity->iot; 1637 struct fwnode_handle *clock_node; 1638 struct sdca_entity *clock_entity; 1639 const char *clock_label; 1640 int ret; 1641 1642 clock_node = fwnode_get_named_child_node(entity_node, 1643 "mipi-sdca-terminal-clock-connection"); 1644 if (!clock_node) 1645 return 0; 1646 1647 ret = fwnode_property_read_string(clock_node, "mipi-sdca-entity-label", 1648 &clock_label); 1649 if (ret) { 1650 dev_err(dev, "%s: clock label missing: %d\n", entity->label, ret); 1651 fwnode_handle_put(clock_node); 1652 return ret; 1653 } 1654 1655 clock_entity = find_sdca_entity_by_label(function, clock_label); 1656 if (!clock_entity) { 1657 dev_err(dev, "%s: failed to find clock with label %s\n", 1658 entity->label, clock_label); 1659 fwnode_handle_put(clock_node); 1660 return -EINVAL; 1661 } 1662 1663 terminal->clock = clock_entity; 1664 1665 dev_dbg(dev, "%s -> %s\n", clock_entity->label, entity->label); 1666 1667 fwnode_handle_put(clock_node); 1668 return 0; 1669 } 1670 1671 static int find_sdca_entity_connection_pde(struct device *dev, 1672 struct sdca_function_data *function, 1673 struct fwnode_handle *entity_node, 1674 struct sdca_entity *entity) 1675 { 1676 struct sdca_entity_pde *power = &entity->pde; 1677 struct sdca_entity **managed; 1678 int num_managed; 1679 int i; 1680 1681 num_managed = fwnode_property_count_u32(entity_node, 1682 "mipi-sdca-powerdomain-managed-list"); 1683 if (!num_managed) { 1684 return 0; 1685 } else if (num_managed < 0) { 1686 dev_err(dev, "%s: managed list missing: %d\n", entity->label, num_managed); 1687 return num_managed; 1688 } else if (num_managed > SDCA_MAX_ENTITY_COUNT) { 1689 dev_err(dev, "%s: maximum number of managed entities exceeded\n", 1690 entity->label); 1691 return -EINVAL; 1692 } 1693 1694 managed = devm_kcalloc(dev, num_managed, sizeof(*managed), GFP_KERNEL); 1695 if (!managed) 1696 return -ENOMEM; 1697 1698 u32 *managed_list __free(kfree) = kcalloc(num_managed, sizeof(*managed_list), 1699 GFP_KERNEL); 1700 if (!managed_list) 1701 return -ENOMEM; 1702 1703 fwnode_property_read_u32_array(entity_node, 1704 "mipi-sdca-powerdomain-managed-list", 1705 managed_list, num_managed); 1706 1707 for (i = 0; i < num_managed; i++) { 1708 managed[i] = find_sdca_entity_by_id(function, managed_list[i]); 1709 if (!managed[i]) { 1710 dev_err(dev, "%s: failed to find entity with id %#x\n", 1711 entity->label, managed_list[i]); 1712 return -EINVAL; 1713 } 1714 1715 dev_dbg(dev, "%s -> %s\n", managed[i]->label, entity->label); 1716 } 1717 1718 power->num_managed = num_managed; 1719 power->managed = managed; 1720 1721 return 0; 1722 } 1723 1724 static int find_sdca_entity_connection_ge(struct device *dev, 1725 struct sdca_function_data *function, 1726 struct fwnode_handle *entity_node, 1727 struct sdca_entity *entity) 1728 { 1729 int i, j; 1730 1731 for (i = 0; i < entity->ge.num_modes; i++) { 1732 struct sdca_ge_mode *mode = &entity->ge.modes[i]; 1733 1734 for (j = 0; j < mode->num_controls; j++) { 1735 struct sdca_ge_control *affected = &mode->controls[j]; 1736 struct sdca_entity *managed; 1737 1738 managed = find_sdca_entity_by_id(function, affected->id); 1739 if (!managed) { 1740 dev_err(dev, "%s: failed to find entity with id %#x\n", 1741 entity->label, affected->id); 1742 return -EINVAL; 1743 } 1744 1745 if (managed->group && managed->group != entity) { 1746 dev_err(dev, 1747 "%s: entity controlled by two groups %s, %s\n", 1748 managed->label, managed->group->label, 1749 entity->label); 1750 return -EINVAL; 1751 } 1752 1753 managed->group = entity; 1754 } 1755 } 1756 1757 return 0; 1758 } 1759 1760 static int find_sdca_entity_connection(struct device *dev, 1761 struct sdca_function_data *function, 1762 struct fwnode_handle *entity_node, 1763 struct sdca_entity *entity) 1764 { 1765 struct sdca_entity **pins; 1766 int num_pins, pin; 1767 u64 pin_list; 1768 int i, ret; 1769 1770 switch (entity->type) { 1771 case SDCA_ENTITY_TYPE_IT: 1772 case SDCA_ENTITY_TYPE_OT: 1773 ret = find_sdca_entity_connection_iot(dev, function, 1774 entity_node, entity); 1775 break; 1776 case SDCA_ENTITY_TYPE_PDE: 1777 ret = find_sdca_entity_connection_pde(dev, function, 1778 entity_node, entity); 1779 break; 1780 case SDCA_ENTITY_TYPE_GE: 1781 ret = find_sdca_entity_connection_ge(dev, function, 1782 entity_node, entity); 1783 break; 1784 default: 1785 ret = 0; 1786 break; 1787 } 1788 if (ret) 1789 return ret; 1790 1791 ret = fwnode_property_read_u64(entity_node, "mipi-sdca-input-pin-list", &pin_list); 1792 if (ret == -EINVAL) { 1793 /* Allow missing pin lists, assume no pins. */ 1794 return 0; 1795 } else if (ret) { 1796 dev_err(dev, "%s: failed to read pin list: %d\n", entity->label, ret); 1797 return ret; 1798 } else if (pin_list & BIT(0)) { 1799 /* 1800 * Each bit set in the pin-list refers to an entity_id in this 1801 * Function. Entity 0 is an illegal connection since it is used 1802 * for Function-level configurations. 1803 */ 1804 dev_err(dev, "%s: pin 0 used as input\n", entity->label); 1805 return -EINVAL; 1806 } else if (!pin_list) { 1807 return 0; 1808 } 1809 1810 num_pins = hweight64(pin_list); 1811 pins = devm_kcalloc(dev, num_pins, sizeof(*pins), GFP_KERNEL); 1812 if (!pins) 1813 return -ENOMEM; 1814 1815 i = 0; 1816 for_each_set_bit(pin, (unsigned long *)&pin_list, BITS_PER_TYPE(pin_list)) { 1817 char pin_property[SDCA_PROPERTY_LENGTH]; 1818 struct fwnode_handle *connected_node; 1819 struct sdca_entity *connected_entity; 1820 const char *connected_label; 1821 1822 snprintf(pin_property, sizeof(pin_property), "mipi-sdca-input-pin-%d", pin); 1823 1824 connected_node = fwnode_get_named_child_node(entity_node, pin_property); 1825 if (!connected_node) { 1826 dev_err(dev, "%s: pin node %s not found\n", 1827 entity->label, pin_property); 1828 return -EINVAL; 1829 } 1830 1831 ret = fwnode_property_read_string(connected_node, "mipi-sdca-entity-label", 1832 &connected_label); 1833 if (ret) { 1834 dev_err(dev, "%s: pin %d label missing: %d\n", 1835 entity->label, pin, ret); 1836 fwnode_handle_put(connected_node); 1837 return ret; 1838 } 1839 1840 connected_entity = find_sdca_entity_by_label(function, connected_label); 1841 if (!connected_entity) { 1842 dev_err(dev, "%s: failed to find entity with label %s\n", 1843 entity->label, connected_label); 1844 fwnode_handle_put(connected_node); 1845 return -EINVAL; 1846 } 1847 1848 pins[i] = connected_entity; 1849 1850 dev_dbg(dev, "%s -> %s\n", connected_entity->label, entity->label); 1851 1852 i++; 1853 fwnode_handle_put(connected_node); 1854 } 1855 1856 entity->num_sources = num_pins; 1857 entity->sources = pins; 1858 1859 return 0; 1860 } 1861 1862 static int find_sdca_connections(struct device *dev, 1863 struct fwnode_handle *function_node, 1864 struct sdca_function_data *function) 1865 { 1866 int i; 1867 1868 /* Entity 0 cannot have connections */ 1869 for (i = 0; i < function->num_entities - 1; i++) { 1870 struct sdca_entity *entity = &function->entities[i]; 1871 char entity_property[SDCA_PROPERTY_LENGTH]; 1872 struct fwnode_handle *entity_node; 1873 int ret; 1874 1875 /* DisCo uses upper-case for hex numbers */ 1876 snprintf(entity_property, sizeof(entity_property), 1877 "mipi-sdca-entity-id-0x%X-subproperties", 1878 entity->id); 1879 1880 entity_node = fwnode_get_named_child_node(function_node, entity_property); 1881 if (!entity_node) { 1882 dev_err(dev, "%pfwP: entity node %s not found\n", 1883 function_node, entity_property); 1884 return -EINVAL; 1885 } 1886 1887 ret = find_sdca_entity_connection(dev, function, entity_node, entity); 1888 fwnode_handle_put(entity_node); 1889 if (ret) 1890 return ret; 1891 } 1892 1893 return 0; 1894 } 1895 1896 static int find_sdca_cluster_channel(struct device *dev, 1897 struct sdca_cluster *cluster, 1898 struct fwnode_handle *channel_node, 1899 struct sdca_channel *channel) 1900 { 1901 u32 tmp; 1902 int ret; 1903 1904 ret = fwnode_property_read_u32(channel_node, "mipi-sdca-cluster-channel-id", &tmp); 1905 if (ret) { 1906 dev_err(dev, "cluster %#x: missing channel id: %d\n", 1907 cluster->id, ret); 1908 return ret; 1909 } 1910 1911 channel->id = tmp; 1912 1913 ret = fwnode_property_read_u32(channel_node, 1914 "mipi-sdca-cluster-channel-purpose", 1915 &tmp); 1916 if (ret) { 1917 dev_err(dev, "cluster %#x: channel %#x: missing purpose: %d\n", 1918 cluster->id, channel->id, ret); 1919 return ret; 1920 } 1921 1922 channel->purpose = tmp; 1923 1924 ret = fwnode_property_read_u32(channel_node, 1925 "mipi-sdca-cluster-channel-relationship", 1926 &tmp); 1927 if (ret) { 1928 dev_err(dev, "cluster %#x: channel %#x: missing relationship: %d\n", 1929 cluster->id, channel->id, ret); 1930 return ret; 1931 } 1932 1933 channel->relationship = tmp; 1934 1935 dev_dbg(dev, "cluster %#x: channel id %#x purpose %#x relationship %#x\n", 1936 cluster->id, channel->id, channel->purpose, channel->relationship); 1937 1938 return 0; 1939 } 1940 1941 static int find_sdca_cluster_channels(struct device *dev, 1942 struct fwnode_handle *cluster_node, 1943 struct sdca_cluster *cluster) 1944 { 1945 struct sdca_channel *channels; 1946 u32 num_channels; 1947 int i, ret; 1948 1949 ret = fwnode_property_read_u32(cluster_node, "mipi-sdca-channel-count", 1950 &num_channels); 1951 if (ret < 0) { 1952 dev_err(dev, "cluster %#x: failed to read channel list: %d\n", 1953 cluster->id, ret); 1954 return ret; 1955 } else if (num_channels > SDCA_MAX_CHANNEL_COUNT) { 1956 dev_err(dev, "cluster %#x: maximum number of channels exceeded\n", 1957 cluster->id); 1958 return -EINVAL; 1959 } 1960 1961 channels = devm_kcalloc(dev, num_channels, sizeof(*channels), GFP_KERNEL); 1962 if (!channels) 1963 return -ENOMEM; 1964 1965 for (i = 0; i < num_channels; i++) { 1966 char channel_property[SDCA_PROPERTY_LENGTH]; 1967 struct fwnode_handle *channel_node; 1968 1969 /* DisCo uses upper-case for hex numbers */ 1970 snprintf(channel_property, sizeof(channel_property), 1971 "mipi-sdca-channel-%d-subproperties", i + 1); 1972 1973 channel_node = fwnode_get_named_child_node(cluster_node, channel_property); 1974 if (!channel_node) { 1975 dev_err(dev, "cluster %#x: channel node %s not found\n", 1976 cluster->id, channel_property); 1977 return -EINVAL; 1978 } 1979 1980 ret = find_sdca_cluster_channel(dev, cluster, channel_node, &channels[i]); 1981 fwnode_handle_put(channel_node); 1982 if (ret) 1983 return ret; 1984 } 1985 1986 cluster->num_channels = num_channels; 1987 cluster->channels = channels; 1988 1989 return 0; 1990 } 1991 1992 static int find_sdca_clusters(struct device *dev, 1993 struct fwnode_handle *function_node, 1994 struct sdca_function_data *function) 1995 { 1996 struct sdca_cluster *clusters; 1997 int num_clusters; 1998 int i, ret; 1999 2000 num_clusters = fwnode_property_count_u32(function_node, "mipi-sdca-cluster-id-list"); 2001 if (!num_clusters || num_clusters == -EINVAL) { 2002 return 0; 2003 } else if (num_clusters < 0) { 2004 dev_err(dev, "%pfwP: failed to read cluster id list: %d\n", 2005 function_node, num_clusters); 2006 return num_clusters; 2007 } else if (num_clusters > SDCA_MAX_CLUSTER_COUNT) { 2008 dev_err(dev, "%pfwP: maximum number of clusters exceeded\n", function_node); 2009 return -EINVAL; 2010 } 2011 2012 clusters = devm_kcalloc(dev, num_clusters, sizeof(*clusters), GFP_KERNEL); 2013 if (!clusters) 2014 return -ENOMEM; 2015 2016 u32 *cluster_list __free(kfree) = kcalloc(num_clusters, sizeof(*cluster_list), 2017 GFP_KERNEL); 2018 if (!cluster_list) 2019 return -ENOMEM; 2020 2021 fwnode_property_read_u32_array(function_node, "mipi-sdca-cluster-id-list", 2022 cluster_list, num_clusters); 2023 2024 for (i = 0; i < num_clusters; i++) 2025 clusters[i].id = cluster_list[i]; 2026 2027 /* now read subproperties */ 2028 for (i = 0; i < num_clusters; i++) { 2029 char cluster_property[SDCA_PROPERTY_LENGTH]; 2030 struct fwnode_handle *cluster_node; 2031 2032 /* DisCo uses upper-case for hex numbers */ 2033 snprintf(cluster_property, sizeof(cluster_property), 2034 "mipi-sdca-cluster-id-0x%X-subproperties", clusters[i].id); 2035 2036 cluster_node = fwnode_get_named_child_node(function_node, cluster_property); 2037 if (!cluster_node) { 2038 dev_err(dev, "%pfwP: cluster node %s not found\n", 2039 function_node, cluster_property); 2040 return -EINVAL; 2041 } 2042 2043 ret = find_sdca_cluster_channels(dev, cluster_node, &clusters[i]); 2044 fwnode_handle_put(cluster_node); 2045 if (ret) 2046 return ret; 2047 } 2048 2049 function->num_clusters = num_clusters; 2050 function->clusters = clusters; 2051 2052 return 0; 2053 } 2054 2055 static int find_sdca_filesets(struct device *dev, struct sdw_slave *sdw, 2056 struct fwnode_handle *function_node, 2057 struct sdca_function_data *function) 2058 { 2059 static const int mult_fileset = 3; 2060 char fileset_name[SDCA_PROPERTY_LENGTH]; 2061 struct sdca_fdl_set *sets; 2062 int num_sets; 2063 int i, j; 2064 2065 num_sets = fwnode_property_count_u32(function_node, 2066 "mipi-sdca-file-set-id-list"); 2067 if (num_sets == 0 || num_sets == -EINVAL) { 2068 dev_dbg(dev, "%pfwP: file set id list missing\n", function_node); 2069 return 0; 2070 } else if (num_sets < 0) { 2071 dev_err(dev, "%pfwP: failed to read file set list: %d\n", 2072 function_node, num_sets); 2073 return num_sets; 2074 } 2075 2076 u32 *filesets_list __free(kfree) = kcalloc(num_sets, sizeof(u32), 2077 GFP_KERNEL); 2078 if (!filesets_list) 2079 return -ENOMEM; 2080 2081 fwnode_property_read_u32_array(function_node, "mipi-sdca-file-set-id-list", 2082 filesets_list, num_sets); 2083 2084 sets = devm_kcalloc(dev, num_sets, sizeof(*sets), GFP_KERNEL); 2085 if (!sets) 2086 return -ENOMEM; 2087 2088 for (i = 0; i < num_sets; i++) { 2089 struct sdca_fdl_set *set = &sets[i]; 2090 struct sdca_fdl_file *files; 2091 int num_files, num_entries; 2092 2093 snprintf(fileset_name, sizeof(fileset_name), 2094 "mipi-sdca-file-set-id-0x%X", filesets_list[i]); 2095 2096 num_entries = fwnode_property_count_u32(function_node, fileset_name); 2097 if (num_entries <= 0) { 2098 dev_err(dev, "%pfwP: file set %d missing entries: %d\n", 2099 function_node, filesets_list[i], num_entries); 2100 return -EINVAL; 2101 } else if (num_entries % mult_fileset != 0) { 2102 dev_err(dev, "%pfwP: file set %d files not multiple of %d\n", 2103 function_node, filesets_list[i], mult_fileset); 2104 return -EINVAL; 2105 } 2106 2107 dev_dbg(dev, "fileset: %#x\n", filesets_list[i]); 2108 2109 files = devm_kcalloc(dev, num_entries / mult_fileset, 2110 sizeof(*files), GFP_KERNEL); 2111 if (!files) 2112 return -ENOMEM; 2113 2114 u32 *fileset_entries __free(kfree) = kcalloc(num_entries, sizeof(u32), 2115 GFP_KERNEL); 2116 if (!fileset_entries) 2117 return -ENOMEM; 2118 2119 fwnode_property_read_u32_array(function_node, fileset_name, 2120 fileset_entries, num_entries); 2121 2122 for (j = 0, num_files = 0; j < num_entries; num_files++) { 2123 struct sdca_fdl_file *file = &files[num_files]; 2124 2125 file->vendor_id = fileset_entries[j++]; 2126 file->file_id = fileset_entries[j++]; 2127 file->fdl_offset = fileset_entries[j++]; 2128 2129 dev_dbg(dev, "file: %#x, vendor: %#x, offset: %#x\n", 2130 file->file_id, file->vendor_id, file->fdl_offset); 2131 } 2132 2133 set->id = filesets_list[i]; 2134 set->num_files = num_files; 2135 set->files = files; 2136 } 2137 2138 function->fdl_data.swft = sdw->sdca_data.swft; 2139 function->fdl_data.num_sets = num_sets; 2140 function->fdl_data.sets = sets; 2141 2142 return 0; 2143 } 2144 2145 /** 2146 * sdca_parse_function - parse ACPI DisCo for a Function 2147 * @dev: Pointer to device against which function data will be allocated. 2148 * @sdw: SoundWire slave device to be processed. 2149 * @function_desc: Pointer to the Function short descriptor. 2150 * @function: Pointer to the Function information, to be populated. 2151 * 2152 * Return: Returns 0 for success. 2153 */ 2154 int sdca_parse_function(struct device *dev, struct sdw_slave *sdw, 2155 struct sdca_function_desc *function_desc, 2156 struct sdca_function_data *function) 2157 { 2158 u32 tmp; 2159 int ret; 2160 2161 function->desc = function_desc; 2162 2163 ret = fwnode_property_read_u32(function_desc->node, 2164 "mipi-sdca-function-busy-max-delay", &tmp); 2165 if (!ret) 2166 function->busy_max_delay = tmp; 2167 2168 ret = fwnode_property_read_u32(function_desc->node, 2169 "mipi-sdca-function-reset-max-delay", &tmp); 2170 if (!ret) 2171 function->reset_max_delay = tmp; 2172 2173 dev_dbg(dev, "%pfwP: name %s busy delay %dus reset delay %dus\n", 2174 function->desc->node, function->desc->name, 2175 function->busy_max_delay, function->reset_max_delay); 2176 2177 ret = find_sdca_init_table(dev, function_desc->node, function); 2178 if (ret) 2179 return ret; 2180 2181 ret = find_sdca_entities(dev, sdw, function_desc->node, function); 2182 if (ret) 2183 return ret; 2184 2185 ret = find_sdca_connections(dev, function_desc->node, function); 2186 if (ret) 2187 return ret; 2188 2189 ret = find_sdca_clusters(dev, function_desc->node, function); 2190 if (ret < 0) 2191 return ret; 2192 2193 ret = find_sdca_filesets(dev, sdw, function_desc->node, function); 2194 if (ret) 2195 return ret; 2196 2197 return 0; 2198 } 2199 EXPORT_SYMBOL_NS(sdca_parse_function, "SND_SOC_SDCA"); 2200 2201 const char *sdca_find_terminal_name(enum sdca_terminal_type type) 2202 { 2203 switch (type) { 2204 case SDCA_TERM_TYPE_LINEIN_STEREO: 2205 return SDCA_TERM_TYPE_LINEIN_STEREO_NAME; 2206 case SDCA_TERM_TYPE_LINEIN_FRONT_LR: 2207 return SDCA_TERM_TYPE_LINEIN_FRONT_LR_NAME; 2208 case SDCA_TERM_TYPE_LINEIN_CENTER_LFE: 2209 return SDCA_TERM_TYPE_LINEIN_CENTER_LFE_NAME; 2210 case SDCA_TERM_TYPE_LINEIN_SURROUND_LR: 2211 return SDCA_TERM_TYPE_LINEIN_SURROUND_LR_NAME; 2212 case SDCA_TERM_TYPE_LINEIN_REAR_LR: 2213 return SDCA_TERM_TYPE_LINEIN_REAR_LR_NAME; 2214 case SDCA_TERM_TYPE_LINEOUT_STEREO: 2215 return SDCA_TERM_TYPE_LINEOUT_STEREO_NAME; 2216 case SDCA_TERM_TYPE_LINEOUT_FRONT_LR: 2217 return SDCA_TERM_TYPE_LINEOUT_FRONT_LR_NAME; 2218 case SDCA_TERM_TYPE_LINEOUT_CENTER_LFE: 2219 return SDCA_TERM_TYPE_LINEOUT_CENTER_LFE_NAME; 2220 case SDCA_TERM_TYPE_LINEOUT_SURROUND_LR: 2221 return SDCA_TERM_TYPE_LINEOUT_SURROUND_LR_NAME; 2222 case SDCA_TERM_TYPE_LINEOUT_REAR_LR: 2223 return SDCA_TERM_TYPE_LINEOUT_REAR_LR_NAME; 2224 case SDCA_TERM_TYPE_MIC_JACK: 2225 return SDCA_TERM_TYPE_MIC_JACK_NAME; 2226 case SDCA_TERM_TYPE_STEREO_JACK: 2227 return SDCA_TERM_TYPE_STEREO_JACK_NAME; 2228 case SDCA_TERM_TYPE_FRONT_LR_JACK: 2229 return SDCA_TERM_TYPE_FRONT_LR_JACK_NAME; 2230 case SDCA_TERM_TYPE_CENTER_LFE_JACK: 2231 return SDCA_TERM_TYPE_CENTER_LFE_JACK_NAME; 2232 case SDCA_TERM_TYPE_SURROUND_LR_JACK: 2233 return SDCA_TERM_TYPE_SURROUND_LR_JACK_NAME; 2234 case SDCA_TERM_TYPE_REAR_LR_JACK: 2235 return SDCA_TERM_TYPE_REAR_LR_JACK_NAME; 2236 case SDCA_TERM_TYPE_HEADPHONE_JACK: 2237 return SDCA_TERM_TYPE_HEADPHONE_JACK_NAME; 2238 case SDCA_TERM_TYPE_HEADSET_JACK: 2239 return SDCA_TERM_TYPE_HEADSET_JACK_NAME; 2240 default: 2241 return NULL; 2242 } 2243 } 2244 EXPORT_SYMBOL_NS(sdca_find_terminal_name, "SND_SOC_SDCA"); 2245 2246 struct sdca_control *sdca_selector_find_control(struct device *dev, 2247 struct sdca_entity *entity, 2248 const int sel) 2249 { 2250 int i; 2251 2252 for (i = 0; i < entity->num_controls; i++) { 2253 struct sdca_control *control = &entity->controls[i]; 2254 2255 if (control->sel == sel) 2256 return control; 2257 } 2258 2259 dev_err(dev, "%s: control %#x: missing\n", entity->label, sel); 2260 return NULL; 2261 } 2262 EXPORT_SYMBOL_NS(sdca_selector_find_control, "SND_SOC_SDCA"); 2263 2264 struct sdca_control_range *sdca_control_find_range(struct device *dev, 2265 struct sdca_entity *entity, 2266 struct sdca_control *control, 2267 int cols, int rows) 2268 { 2269 struct sdca_control_range *range = &control->range; 2270 2271 if ((cols && range->cols != cols) || (rows && range->rows != rows) || 2272 !range->data) { 2273 dev_err(dev, "%s: control %#x: ranges invalid (%d,%d)\n", 2274 entity->label, control->sel, range->cols, range->rows); 2275 return NULL; 2276 } 2277 2278 return range; 2279 } 2280 EXPORT_SYMBOL_NS(sdca_control_find_range, "SND_SOC_SDCA"); 2281 2282 struct sdca_control_range *sdca_selector_find_range(struct device *dev, 2283 struct sdca_entity *entity, 2284 int sel, int cols, int rows) 2285 { 2286 struct sdca_control *control; 2287 2288 control = sdca_selector_find_control(dev, entity, sel); 2289 if (!control) 2290 return NULL; 2291 2292 return sdca_control_find_range(dev, entity, control, cols, rows); 2293 } 2294 EXPORT_SYMBOL_NS(sdca_selector_find_range, "SND_SOC_SDCA"); 2295 2296 struct sdca_cluster *sdca_id_find_cluster(struct device *dev, 2297 struct sdca_function_data *function, 2298 const int id) 2299 { 2300 int i; 2301 2302 for (i = 0; i < function->num_clusters; i++) { 2303 struct sdca_cluster *cluster = &function->clusters[i]; 2304 2305 if (cluster->id == id) 2306 return cluster; 2307 } 2308 2309 dev_err(dev, "%s: cluster %#x: missing\n", function->desc->name, id); 2310 return NULL; 2311 } 2312 EXPORT_SYMBOL_NS(sdca_id_find_cluster, "SND_SOC_SDCA"); 2313 2314 MODULE_LICENSE("Dual BSD/GPL"); 2315 MODULE_DESCRIPTION("SDCA library"); 2316