1 /* $NetBSD: radeon_acpi.h,v 1.3 2021/12/18 23:45:43 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #ifndef RADEON_ACPI_H 27 #define RADEON_ACPI_H 28 29 struct radeon_device; 30 struct acpi_bus_event; 31 32 /* AMD hw uses four ACPI control methods: 33 * 1. ATIF 34 * ARG0: (ACPI_INTEGER) function code 35 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 36 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 37 * ATIF provides an entry point for the gfx driver to interact with the sbios. 38 * The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom 39 * notification. Which notification is used as indicated by the ATIF Control 40 * Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or 41 * a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS 42 * to identify pending System BIOS requests and associated parameters. For 43 * example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver 44 * will perform display device detection and invoke ATIF Control Method 45 * SELECT_ACTIVE_DISPLAYS. 46 * 47 * 2. ATPX 48 * ARG0: (ACPI_INTEGER) function code 49 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 50 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 51 * ATPX methods are used on PowerXpress systems to handle mux switching and 52 * discrete GPU power control. 53 * 54 * 3. ATRM 55 * ARG0: (ACPI_INTEGER) offset of vbios rom data 56 * ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K). 57 * OUTPUT: (ACPI_BUFFER) output buffer 58 * ATRM provides an interfacess to access the discrete GPU vbios image on 59 * PowerXpress systems with multiple GPUs. 60 * 61 * 4. ATCS 62 * ARG0: (ACPI_INTEGER) function code 63 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 64 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 65 * ATCS provides an interface to AMD chipset specific functionality. 66 * 67 */ 68 /* ATIF */ 69 #define ATIF_FUNCTION_VERIFY_INTERFACE 0x0 70 /* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE 71 * ARG1: none 72 * OUTPUT: 73 * WORD - structure size in bytes (includes size field) 74 * WORD - version 75 * DWORD - supported notifications mask 76 * DWORD - supported functions bit vector 77 */ 78 /* Notifications mask */ 79 # define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0) 80 # define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1) 81 # define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2) 82 # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3) 83 # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4) 84 # define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5) 85 # define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6) 86 # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7) 87 # define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8) 88 /* supported functions vector */ 89 # define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0) 90 # define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1) 91 # define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2) 92 # define ATIF_GET_LID_STATE_SUPPORTED (1 << 3) 93 # define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4) 94 # define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5) 95 # define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6) 96 # define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7) 97 # define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12) 98 # define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14) 99 # define ATIF_GET_EXTERNAL_GPU_INFORMATION_SUPPORTED (1 << 20) 100 #define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1 101 /* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 102 * ARG1: none 103 * OUTPUT: 104 * WORD - structure size in bytes (includes size field) 105 * DWORD - valid flags mask 106 * DWORD - flags 107 * 108 * OR 109 * 110 * WORD - structure size in bytes (includes size field) 111 * DWORD - valid flags mask 112 * DWORD - flags 113 * BYTE - notify command code 114 * 115 * flags 116 * bits 1:0: 117 * 0 - Notify(VGA, 0x81) is not used for notification 118 * 1 - Notify(VGA, 0x81) is used for notification 119 * 2 - Notify(VGA, n) is used for notification where 120 * n (0xd0-0xd9) is specified in notify command code. 121 * bit 2: 122 * 1 - lid changes not reported though int10 123 */ 124 #define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2 125 /* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 126 * ARG1: none 127 * OUTPUT: 128 * WORD - structure size in bytes (includes size field) 129 * DWORD - pending sbios requests 130 * BYTE - panel expansion mode 131 * BYTE - thermal state: target gfx controller 132 * BYTE - thermal state: state id (0: exit state, non-0: state) 133 * BYTE - forced power state: target gfx controller 134 * BYTE - forced power state: state id 135 * BYTE - system power source 136 * BYTE - panel backlight level (0-255) 137 */ 138 /* pending sbios requests */ 139 # define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0) 140 # define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1) 141 # define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2) 142 # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3) 143 # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4) 144 # define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5) 145 # define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6) 146 # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7) 147 # define ATIF_DGPU_DISPLAY_EVENT (1 << 8) 148 /* panel expansion mode */ 149 # define ATIF_PANEL_EXPANSION_DISABLE 0 150 # define ATIF_PANEL_EXPANSION_FULL 1 151 # define ATIF_PANEL_EXPANSION_ASPECT 2 152 /* target gfx controller */ 153 # define ATIF_TARGET_GFX_SINGLE 0 154 # define ATIF_TARGET_GFX_PX_IGPU 1 155 # define ATIF_TARGET_GFX_PX_DGPU 2 156 /* system power source */ 157 # define ATIF_POWER_SOURCE_AC 1 158 # define ATIF_POWER_SOURCE_DC 2 159 # define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3 160 # define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4 161 #define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3 162 /* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 163 * ARG1: 164 * WORD - structure size in bytes (includes size field) 165 * WORD - selected displays 166 * WORD - connected displays 167 * OUTPUT: 168 * WORD - structure size in bytes (includes size field) 169 * WORD - selected displays 170 */ 171 # define ATIF_LCD1 (1 << 0) 172 # define ATIF_CRT1 (1 << 1) 173 # define ATIF_TV (1 << 2) 174 # define ATIF_DFP1 (1 << 3) 175 # define ATIF_CRT2 (1 << 4) 176 # define ATIF_LCD2 (1 << 5) 177 # define ATIF_DFP2 (1 << 7) 178 # define ATIF_CV (1 << 8) 179 # define ATIF_DFP3 (1 << 9) 180 # define ATIF_DFP4 (1 << 10) 181 # define ATIF_DFP5 (1 << 11) 182 # define ATIF_DFP6 (1 << 12) 183 #define ATIF_FUNCTION_GET_LID_STATE 0x4 184 /* ARG0: ATIF_FUNCTION_GET_LID_STATE 185 * ARG1: none 186 * OUTPUT: 187 * WORD - structure size in bytes (includes size field) 188 * BYTE - lid state (0: open, 1: closed) 189 * 190 * GET_LID_STATE only works at boot and resume, for general lid 191 * status, use the kernel provided status 192 */ 193 #define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5 194 /* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 195 * ARG1: none 196 * OUTPUT: 197 * WORD - structure size in bytes (includes size field) 198 * BYTE - 0 199 * BYTE - TV standard 200 */ 201 # define ATIF_TV_STD_NTSC 0 202 # define ATIF_TV_STD_PAL 1 203 # define ATIF_TV_STD_PALM 2 204 # define ATIF_TV_STD_PAL60 3 205 # define ATIF_TV_STD_NTSCJ 4 206 # define ATIF_TV_STD_PALCN 5 207 # define ATIF_TV_STD_PALN 6 208 # define ATIF_TV_STD_SCART_RGB 9 209 #define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6 210 /* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 211 * ARG1: 212 * WORD - structure size in bytes (includes size field) 213 * BYTE - 0 214 * BYTE - TV standard 215 * OUTPUT: none 216 */ 217 #define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7 218 /* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 219 * ARG1: none 220 * OUTPUT: 221 * WORD - structure size in bytes (includes size field) 222 * BYTE - panel expansion mode 223 */ 224 #define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8 225 /* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 226 * ARG1: 227 * WORD - structure size in bytes (includes size field) 228 * BYTE - panel expansion mode 229 * OUTPUT: none 230 */ 231 #define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD 232 /* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 233 * ARG1: 234 * WORD - structure size in bytes (includes size field) 235 * WORD - gfx controller id 236 * BYTE - current temperature (degress Celsius) 237 * OUTPUT: none 238 */ 239 #define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF 240 /* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 241 * ARG1: none 242 * OUTPUT: 243 * WORD - number of gfx devices 244 * WORD - device structure size in bytes (excludes device size field) 245 * DWORD - flags \ 246 * WORD - bus number } repeated structure 247 * WORD - device number / 248 */ 249 /* flags */ 250 # define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0) 251 # define ATIF_XGP_PORT (1 << 1) 252 # define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2) 253 # define ATIF_XGP_PORT_IN_DOCK (1 << 3) 254 #define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION 0x15 255 /* ARG0: ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION 256 * ARG1: none 257 * OUTPUT: 258 * WORD - number of reported external gfx devices 259 * WORD - device structure size in bytes (excludes device size field) 260 * WORD - flags \ 261 * WORD - bus number / repeated structure 262 */ 263 /* flags */ 264 # define ATIF_EXTERNAL_GRAPHICS_PORT (1 << 0) 265 266 /* ATPX */ 267 #define ATPX_FUNCTION_VERIFY_INTERFACE 0x0 268 /* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE 269 * ARG1: none 270 * OUTPUT: 271 * WORD - structure size in bytes (includes size field) 272 * WORD - version 273 * DWORD - supported functions bit vector 274 */ 275 /* supported functions vector */ 276 # define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0) 277 # define ATPX_POWER_CONTROL_SUPPORTED (1 << 1) 278 # define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2) 279 # define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3) 280 # define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4) 281 # define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5) 282 # define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7) 283 # define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8) 284 #define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1 285 /* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS 286 * ARG1: none 287 * OUTPUT: 288 * WORD - structure size in bytes (includes size field) 289 * DWORD - valid flags mask 290 * DWORD - flags 291 */ 292 /* flags */ 293 # define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0) 294 # define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1) 295 # define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2) 296 # define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3) 297 # define ATPX_TV_SIGNAL_MUXED (1 << 4) 298 # define ATPX_DFP_SIGNAL_MUXED (1 << 5) 299 # define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6) 300 # define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7) 301 # define ATPX_ACF_NOT_SUPPORTED (1 << 8) 302 # define ATPX_FIXED_NOT_SUPPORTED (1 << 9) 303 # define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10) 304 # define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11) 305 # define ATPX_DGPU_CAN_DRIVE_DISPLAYS (1 << 12) 306 # define ATPX_MS_HYBRID_GFX_SUPPORTED (1 << 14) 307 #define ATPX_FUNCTION_POWER_CONTROL 0x2 308 /* ARG0: ATPX_FUNCTION_POWER_CONTROL 309 * ARG1: 310 * WORD - structure size in bytes (includes size field) 311 * BYTE - dGPU power state (0: power off, 1: power on) 312 * OUTPUT: none 313 */ 314 #define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3 315 /* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL 316 * ARG1: 317 * WORD - structure size in bytes (includes size field) 318 * WORD - display mux control (0: iGPU, 1: dGPU) 319 * OUTPUT: none 320 */ 321 # define ATPX_INTEGRATED_GPU 0 322 # define ATPX_DISCRETE_GPU 1 323 #define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4 324 /* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL 325 * ARG1: 326 * WORD - structure size in bytes (includes size field) 327 * WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU) 328 * OUTPUT: none 329 */ 330 #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5 331 /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 332 * ARG1: 333 * WORD - structure size in bytes (includes size field) 334 * WORD - target gpu (0: iGPU, 1: dGPU) 335 * OUTPUT: none 336 */ 337 #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6 338 /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 339 * ARG1: 340 * WORD - structure size in bytes (includes size field) 341 * WORD - target gpu (0: iGPU, 1: dGPU) 342 * OUTPUT: none 343 */ 344 #define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8 345 /* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 346 * ARG1: none 347 * OUTPUT: 348 * WORD - number of display connectors 349 * WORD - connector structure size in bytes (excludes connector size field) 350 * BYTE - flags \ 351 * BYTE - ATIF display vector bit position } repeated 352 * BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure 353 * WORD - connector ACPI id / 354 */ 355 /* flags */ 356 # define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0) 357 # define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1) 358 # define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2) 359 #define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9 360 /* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 361 * ARG1: none 362 * OUTPUT: 363 * WORD - number of HPD/DDC ports 364 * WORD - port structure size in bytes (excludes port size field) 365 * BYTE - ATIF display vector bit position \ 366 * BYTE - hpd id } reapeated structure 367 * BYTE - ddc id / 368 * 369 * available on A+A systems only 370 */ 371 /* hpd id */ 372 # define ATPX_HPD_NONE 0 373 # define ATPX_HPD1 1 374 # define ATPX_HPD2 2 375 # define ATPX_HPD3 3 376 # define ATPX_HPD4 4 377 # define ATPX_HPD5 5 378 # define ATPX_HPD6 6 379 /* ddc id */ 380 # define ATPX_DDC_NONE 0 381 # define ATPX_DDC1 1 382 # define ATPX_DDC2 2 383 # define ATPX_DDC3 3 384 # define ATPX_DDC4 4 385 # define ATPX_DDC5 5 386 # define ATPX_DDC6 6 387 # define ATPX_DDC7 7 388 # define ATPX_DDC8 8 389 390 /* ATCS */ 391 #define ATCS_FUNCTION_VERIFY_INTERFACE 0x0 392 /* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE 393 * ARG1: none 394 * OUTPUT: 395 * WORD - structure size in bytes (includes size field) 396 * WORD - version 397 * DWORD - supported functions bit vector 398 */ 399 /* supported functions vector */ 400 # define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0) 401 # define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1) 402 # define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2) 403 # define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3) 404 #define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1 405 /* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE 406 * ARG1: none 407 * OUTPUT: 408 * WORD - structure size in bytes (includes size field) 409 * DWORD - valid flags mask 410 * DWORD - flags (0: undocked, 1: docked) 411 */ 412 /* flags */ 413 # define ATCS_DOCKED (1 << 0) 414 #define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2 415 /* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 416 * ARG1: 417 * WORD - structure size in bytes (includes size field) 418 * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) 419 * WORD - valid flags mask 420 * WORD - flags 421 * BYTE - request type 422 * BYTE - performance request 423 * OUTPUT: 424 * WORD - structure size in bytes (includes size field) 425 * BYTE - return value 426 */ 427 /* flags */ 428 # define ATCS_ADVERTISE_CAPS (1 << 0) 429 # define ATCS_WAIT_FOR_COMPLETION (1 << 1) 430 /* request type */ 431 # define ATCS_PCIE_LINK_SPEED 1 432 /* performance request */ 433 # define ATCS_REMOVE 0 434 # define ATCS_FORCE_LOW_POWER 1 435 # define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */ 436 # define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */ 437 # define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */ 438 /* return value */ 439 # define ATCS_REQUEST_REFUSED 1 440 # define ATCS_REQUEST_COMPLETE 2 441 # define ATCS_REQUEST_IN_PROGRESS 3 442 #define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 0x3 443 /* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 444 * ARG1: none 445 * OUTPUT: none 446 */ 447 #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 0x4 448 /* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 449 * ARG1: 450 * WORD - structure size in bytes (includes size field) 451 * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) 452 * BYTE - number of active lanes 453 * OUTPUT: 454 * WORD - structure size in bytes (includes size field) 455 * BYTE - number of active lanes 456 */ 457 458 #endif 459
Indexes created Sat Sep 20 22:09:52 GMT 2025