1 /* 2 * Copyright 2012 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_acpi.h 254885 2013-08-25 19:37:15Z dumbbell $ 23 */ 24 25 #ifndef RADEON_ACPI_H 26 #define RADEON_ACPI_H 27 28 #include <contrib/dev/acpica/source/include/acpi.h> 29 30 struct radeon_device; 31 32 void radeon_atif_handler(struct radeon_device *rdev, UINT32 type); 33 34 /* AMD hw uses four ACPI control methods: 35 * 1. ATIF 36 * ARG0: (ACPI_INTEGER) function code 37 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 38 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 39 * ATIF provides an entry point for the gfx driver to interact with the sbios. 40 * The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom 41 * notification. Which notification is used as indicated by the ATIF Control 42 * Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or 43 * a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS 44 * to identify pending System BIOS requests and associated parameters. For 45 * example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver 46 * will perform display device detection and invoke ATIF Control Method 47 * SELECT_ACTIVE_DISPLAYS. 48 * 49 * 2. ATPX 50 * ARG0: (ACPI_INTEGER) function code 51 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 52 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 53 * ATPX methods are used on PowerXpress systems to handle mux switching and 54 * discrete GPU power control. 55 * 56 * 3. ATRM 57 * ARG0: (ACPI_INTEGER) offset of vbios rom data 58 * ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K). 59 * OUTPUT: (ACPI_BUFFER) output buffer 60 * ATRM provides an interfacess to access the discrete GPU vbios image on 61 * PowerXpress systems with multiple GPUs. 62 * 63 * 4. ATCS 64 * ARG0: (ACPI_INTEGER) function code 65 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 66 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 67 * ATCS provides an interface to AMD chipset specific functionality. 68 * 69 */ 70 /* ATIF */ 71 #define ATIF_FUNCTION_VERIFY_INTERFACE 0x0 72 /* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE 73 * ARG1: none 74 * OUTPUT: 75 * WORD - structure size in bytes (includes size field) 76 * WORD - version 77 * DWORD - supported notifications mask 78 * DWORD - supported functions bit vector 79 */ 80 /* Notifications mask */ 81 # define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0) 82 # define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1) 83 # define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2) 84 # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3) 85 # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4) 86 # define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5) 87 # define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6) 88 # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7) 89 # define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8) 90 /* supported functions vector */ 91 # define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0) 92 # define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1) 93 # define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2) 94 # define ATIF_GET_LID_STATE_SUPPORTED (1 << 3) 95 # define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4) 96 # define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5) 97 # define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6) 98 # define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7) 99 # define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12) 100 # define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14) 101 #define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1 102 /* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 103 * ARG1: none 104 * OUTPUT: 105 * WORD - structure size in bytes (includes size field) 106 * DWORD - valid flags mask 107 * DWORD - flags 108 * 109 * OR 110 * 111 * WORD - structure size in bytes (includes size field) 112 * DWORD - valid flags mask 113 * DWORD - flags 114 * BYTE - notify command code 115 * 116 * flags 117 * bits 1:0: 118 * 0 - Notify(VGA, 0x81) is not used for notification 119 * 1 - Notify(VGA, 0x81) is used for notification 120 * 2 - Notify(VGA, n) is used for notification where 121 * n (0xd0-0xd9) is specified in notify command code. 122 * bit 2: 123 * 1 - lid changes not reported though int10 124 */ 125 #define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2 126 /* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 127 * ARG1: none 128 * OUTPUT: 129 * WORD - structure size in bytes (includes size field) 130 * DWORD - pending sbios requests 131 * BYTE - panel expansion mode 132 * BYTE - thermal state: target gfx controller 133 * BYTE - thermal state: state id (0: exit state, non-0: state) 134 * BYTE - forced power state: target gfx controller 135 * BYTE - forced power state: state id 136 * BYTE - system power source 137 * BYTE - panel backlight level (0-255) 138 */ 139 /* pending sbios requests */ 140 # define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0) 141 # define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1) 142 # define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2) 143 # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3) 144 # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4) 145 # define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5) 146 # define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6) 147 # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7) 148 # define ATIF_DGPU_DISPLAY_EVENT (1 << 8) 149 /* panel expansion mode */ 150 # define ATIF_PANEL_EXPANSION_DISABLE 0 151 # define ATIF_PANEL_EXPANSION_FULL 1 152 # define ATIF_PANEL_EXPANSION_ASPECT 2 153 /* target gfx controller */ 154 # define ATIF_TARGET_GFX_SINGLE 0 155 # define ATIF_TARGET_GFX_PX_IGPU 1 156 # define ATIF_TARGET_GFX_PX_DGPU 2 157 /* system power source */ 158 # define ATIF_POWER_SOURCE_AC 1 159 # define ATIF_POWER_SOURCE_DC 2 160 # define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3 161 # define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4 162 #define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3 163 /* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 164 * ARG1: 165 * WORD - structure size in bytes (includes size field) 166 * WORD - selected displays 167 * WORD - connected displays 168 * OUTPUT: 169 * WORD - structure size in bytes (includes size field) 170 * WORD - selected displays 171 */ 172 # define ATIF_LCD1 (1 << 0) 173 # define ATIF_CRT1 (1 << 1) 174 # define ATIF_TV (1 << 2) 175 # define ATIF_DFP1 (1 << 3) 176 # define ATIF_CRT2 (1 << 4) 177 # define ATIF_LCD2 (1 << 5) 178 # define ATIF_DFP2 (1 << 7) 179 # define ATIF_CV (1 << 8) 180 # define ATIF_DFP3 (1 << 9) 181 # define ATIF_DFP4 (1 << 10) 182 # define ATIF_DFP5 (1 << 11) 183 # define ATIF_DFP6 (1 << 12) 184 #define ATIF_FUNCTION_GET_LID_STATE 0x4 185 /* ARG0: ATIF_FUNCTION_GET_LID_STATE 186 * ARG1: none 187 * OUTPUT: 188 * WORD - structure size in bytes (includes size field) 189 * BYTE - lid state (0: open, 1: closed) 190 * 191 * GET_LID_STATE only works at boot and resume, for general lid 192 * status, use the kernel provided status 193 */ 194 #define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5 195 /* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 196 * ARG1: none 197 * OUTPUT: 198 * WORD - structure size in bytes (includes size field) 199 * BYTE - 0 200 * BYTE - TV standard 201 */ 202 # define ATIF_TV_STD_NTSC 0 203 # define ATIF_TV_STD_PAL 1 204 # define ATIF_TV_STD_PALM 2 205 # define ATIF_TV_STD_PAL60 3 206 # define ATIF_TV_STD_NTSCJ 4 207 # define ATIF_TV_STD_PALCN 5 208 # define ATIF_TV_STD_PALN 6 209 # define ATIF_TV_STD_SCART_RGB 9 210 #define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6 211 /* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 212 * ARG1: 213 * WORD - structure size in bytes (includes size field) 214 * BYTE - 0 215 * BYTE - TV standard 216 * OUTPUT: none 217 */ 218 #define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7 219 /* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 220 * ARG1: none 221 * OUTPUT: 222 * WORD - structure size in bytes (includes size field) 223 * BYTE - panel expansion mode 224 */ 225 #define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8 226 /* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 227 * ARG1: 228 * WORD - structure size in bytes (includes size field) 229 * BYTE - panel expansion mode 230 * OUTPUT: none 231 */ 232 #define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD 233 /* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 234 * ARG1: 235 * WORD - structure size in bytes (includes size field) 236 * WORD - gfx controller id 237 * BYTE - current temperature (degress Celsius) 238 * OUTPUT: none 239 */ 240 #define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF 241 /* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 242 * ARG1: none 243 * OUTPUT: 244 * WORD - number of gfx devices 245 * WORD - device structure size in bytes (excludes device size field) 246 * DWORD - flags \ 247 * WORD - bus number } repeated structure 248 * WORD - device number / 249 */ 250 /* flags */ 251 # define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0) 252 # define ATIF_XGP_PORT (1 << 1) 253 # define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2) 254 # define ATIF_XGP_PORT_IN_DOCK (1 << 3) 255 256 /* ATPX */ 257 #define ATPX_FUNCTION_VERIFY_INTERFACE 0x0 258 /* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE 259 * ARG1: none 260 * OUTPUT: 261 * WORD - structure size in bytes (includes size field) 262 * WORD - version 263 * DWORD - supported functions bit vector 264 */ 265 /* supported functions vector */ 266 # define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0) 267 # define ATPX_POWER_CONTROL_SUPPORTED (1 << 1) 268 # define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2) 269 # define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3) 270 # define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4) 271 # define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5) 272 # define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7) 273 # define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8) 274 #define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1 275 /* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS 276 * ARG1: none 277 * OUTPUT: 278 * WORD - structure size in bytes (includes size field) 279 * DWORD - valid flags mask 280 * DWORD - flags 281 */ 282 /* flags */ 283 # define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0) 284 # define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1) 285 # define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2) 286 # define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3) 287 # define ATPX_TV_SIGNAL_MUXED (1 << 4) 288 # define ATPX_DFP_SIGNAL_MUXED (1 << 5) 289 # define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6) 290 # define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7) 291 # define ATPX_ACF_NOT_SUPPORTED (1 << 8) 292 # define ATPX_FIXED_NOT_SUPPORTED (1 << 9) 293 # define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10) 294 # define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11) 295 #define ATPX_FUNCTION_POWER_CONTROL 0x2 296 /* ARG0: ATPX_FUNCTION_POWER_CONTROL 297 * ARG1: 298 * WORD - structure size in bytes (includes size field) 299 * BYTE - dGPU power state (0: power off, 1: power on) 300 * OUTPUT: none 301 */ 302 #define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3 303 /* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL 304 * ARG1: 305 * WORD - structure size in bytes (includes size field) 306 * WORD - display mux control (0: iGPU, 1: dGPU) 307 * OUTPUT: none 308 */ 309 # define ATPX_INTEGRATED_GPU 0 310 # define ATPX_DISCRETE_GPU 1 311 #define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4 312 /* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL 313 * ARG1: 314 * WORD - structure size in bytes (includes size field) 315 * WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU) 316 * OUTPUT: none 317 */ 318 #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5 319 /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 320 * ARG1: 321 * WORD - structure size in bytes (includes size field) 322 * WORD - target gpu (0: iGPU, 1: dGPU) 323 * OUTPUT: none 324 */ 325 #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6 326 /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 327 * ARG1: 328 * WORD - structure size in bytes (includes size field) 329 * WORD - target gpu (0: iGPU, 1: dGPU) 330 * OUTPUT: none 331 */ 332 #define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8 333 /* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 334 * ARG1: none 335 * OUTPUT: 336 * WORD - number of display connectors 337 * WORD - connector structure size in bytes (excludes connector size field) 338 * BYTE - flags \ 339 * BYTE - ATIF display vector bit position } repeated 340 * BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure 341 * WORD - connector ACPI id / 342 */ 343 /* flags */ 344 # define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0) 345 # define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1) 346 # define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2) 347 #define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9 348 /* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 349 * ARG1: none 350 * OUTPUT: 351 * WORD - number of HPD/DDC ports 352 * WORD - port structure size in bytes (excludes port size field) 353 * BYTE - ATIF display vector bit position \ 354 * BYTE - hpd id } reapeated structure 355 * BYTE - ddc id / 356 * 357 * available on A+A systems only 358 */ 359 /* hpd id */ 360 # define ATPX_HPD_NONE 0 361 # define ATPX_HPD1 1 362 # define ATPX_HPD2 2 363 # define ATPX_HPD3 3 364 # define ATPX_HPD4 4 365 # define ATPX_HPD5 5 366 # define ATPX_HPD6 6 367 /* ddc id */ 368 # define ATPX_DDC_NONE 0 369 # define ATPX_DDC1 1 370 # define ATPX_DDC2 2 371 # define ATPX_DDC3 3 372 # define ATPX_DDC4 4 373 # define ATPX_DDC5 5 374 # define ATPX_DDC6 6 375 # define ATPX_DDC7 7 376 # define ATPX_DDC8 8 377 378 /* ATCS */ 379 #define ATCS_FUNCTION_VERIFY_INTERFACE 0x0 380 /* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE 381 * ARG1: none 382 * OUTPUT: 383 * WORD - structure size in bytes (includes size field) 384 * WORD - version 385 * DWORD - supported functions bit vector 386 */ 387 /* supported functions vector */ 388 # define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0) 389 # define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1) 390 # define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2) 391 # define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3) 392 #define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1 393 /* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE 394 * ARG1: none 395 * OUTPUT: 396 * WORD - structure size in bytes (includes size field) 397 * DWORD - valid flags mask 398 * DWORD - flags (0: undocked, 1: docked) 399 */ 400 /* flags */ 401 # define ATCS_DOCKED (1 << 0) 402 #define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2 403 /* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 404 * ARG1: 405 * WORD - structure size in bytes (includes size field) 406 * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) 407 * WORD - valid flags mask 408 * WORD - flags 409 * BYTE - request type 410 * BYTE - performance request 411 * OUTPUT: 412 * WORD - structure size in bytes (includes size field) 413 * BYTE - return value 414 */ 415 /* flags */ 416 # define ATCS_ADVERTISE_CAPS (1 << 0) 417 # define ATCS_WAIT_FOR_COMPLETION (1 << 1) 418 /* request type */ 419 # define ATCS_PCIE_LINK_SPEED 1 420 /* performance request */ 421 # define ATCS_REMOVE 0 422 # define ATCS_FORCE_LOW_POWER 1 423 # define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */ 424 # define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */ 425 # define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */ 426 /* return value */ 427 # define ATCS_REQUEST_REFUSED 1 428 # define ATCS_REQUEST_COMPLETE 2 429 # define ATCS_REQUEST_IN_PROGRESS 3 430 #define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 0x3 431 /* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 432 * ARG1: none 433 * OUTPUT: none 434 */ 435 #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 0x4 436 /* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 437 * ARG1: 438 * WORD - structure size in bytes (includes size field) 439 * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) 440 * BYTE - number of active lanes 441 * OUTPUT: 442 * WORD - structure size in bytes (includes size field) 443 * BYTE - number of active lanes 444 */ 445 446 #endif 447