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