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 */ 23 24#ifndef AMD_ACPI_H 25#define AMD_ACPI_H 26 27#define ACPI_AC_CLASS "ac_adapter" 28 29struct atif_verify_interface { 30 u16 size; /* structure size in bytes (includes size field) */ 31 u16 version; /* version */ 32 u32 notification_mask; /* supported notifications mask */ 33 u32 function_bits; /* supported functions bit vector */ 34} __packed; 35 36struct atif_system_params { 37 u16 size; /* structure size in bytes (includes size field) */ 38 u32 valid_mask; /* valid flags mask */ 39 u32 flags; /* flags */ 40 u8 command_code; /* notify command code */ 41} __packed; 42 43struct atif_sbios_requests { 44 u16 size; /* structure size in bytes (includes size field) */ 45 u32 pending; /* pending sbios requests */ 46 u8 panel_exp_mode; /* panel expansion mode */ 47 u8 thermal_gfx; /* thermal state: target gfx controller */ 48 u8 thermal_state; /* thermal state: state id (0: exit state, non-0: state) */ 49 u8 forced_power_gfx; /* forced power state: target gfx controller */ 50 u8 forced_power_state; /* forced power state: state id */ 51 u8 system_power_src; /* system power source */ 52 u8 backlight_level; /* panel backlight level (0-255) */ 53} __packed; 54 55#define ATIF_NOTIFY_MASK 0x3 56#define ATIF_NOTIFY_NONE 0 57#define ATIF_NOTIFY_81 1 58#define ATIF_NOTIFY_N 2 59 60struct atcs_verify_interface { 61 u16 size; /* structure size in bytes (includes size field) */ 62 u16 version; /* version */ 63 u32 function_bits; /* supported functions bit vector */ 64} __packed; 65 66#define ATCS_VALID_FLAGS_MASK 0x3 67 68struct atcs_pref_req_input { 69 u16 size; /* structure size in bytes (includes size field) */ 70 u16 client_id; /* client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) */ 71 u16 valid_flags_mask; /* valid flags mask */ 72 u16 flags; /* flags */ 73 u8 req_type; /* request type */ 74 u8 perf_req; /* performance request */ 75} __packed; 76 77struct atcs_pref_req_output { 78 u16 size; /* structure size in bytes (includes size field) */ 79 u8 ret_val; /* return value */ 80} __packed; 81 82/* AMD hw uses four ACPI control methods: 83 * 1. ATIF 84 * ARG0: (ACPI_INTEGER) function code 85 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 86 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 87 * ATIF provides an entry point for the gfx driver to interact with the sbios. 88 * The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom 89 * notification. Which notification is used as indicated by the ATIF Control 90 * Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or 91 * a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS 92 * to identify pending System BIOS requests and associated parameters. For 93 * example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver 94 * will perform display device detection and invoke ATIF Control Method 95 * SELECT_ACTIVE_DISPLAYS. 96 * 97 * 2. ATPX 98 * ARG0: (ACPI_INTEGER) function code 99 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 100 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 101 * ATPX methods are used on PowerXpress systems to handle mux switching and 102 * discrete GPU power control. 103 * 104 * 3. ATRM 105 * ARG0: (ACPI_INTEGER) offset of vbios rom data 106 * ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K). 107 * OUTPUT: (ACPI_BUFFER) output buffer 108 * ATRM provides an interfacess to access the discrete GPU vbios image on 109 * PowerXpress systems with multiple GPUs. 110 * 111 * 4. ATCS 112 * ARG0: (ACPI_INTEGER) function code 113 * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes 114 * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes 115 * ATCS provides an interface to AMD chipset specific functionality. 116 * 117 */ 118/* ATIF */ 119#define ATIF_FUNCTION_VERIFY_INTERFACE 0x0 120/* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE 121 * ARG1: none 122 * OUTPUT: 123 * WORD - structure size in bytes (includes size field) 124 * WORD - version 125 * DWORD - supported notifications mask 126 * DWORD - supported functions bit vector 127 */ 128/* Notifications mask */ 129# define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0) 130# define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1) 131# define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2) 132# define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3) 133# define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4) 134# define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5) 135# define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6) 136# define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7) 137# define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8) 138/* supported functions vector */ 139# define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0) 140# define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1) 141# define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2) 142# define ATIF_GET_LID_STATE_SUPPORTED (1 << 3) 143# define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4) 144# define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5) 145# define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6) 146# define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7) 147# define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12) 148# define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14) 149# define ATIF_GET_EXTERNAL_GPU_INFORMATION_SUPPORTED (1 << 20) 150#define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1 151/* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 152 * ARG1: none 153 * OUTPUT: 154 * WORD - structure size in bytes (includes size field) 155 * DWORD - valid flags mask 156 * DWORD - flags 157 * 158 * OR 159 * 160 * WORD - structure size in bytes (includes size field) 161 * DWORD - valid flags mask 162 * DWORD - flags 163 * BYTE - notify command code 164 * 165 * flags 166 * bits 1:0: 167 * 0 - Notify(VGA, 0x81) is not used for notification 168 * 1 - Notify(VGA, 0x81) is used for notification 169 * 2 - Notify(VGA, n) is used for notification where 170 * n (0xd0-0xd9) is specified in notify command code. 171 * bit 2: 172 * 1 - lid changes not reported though int10 173 */ 174#define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2 175/* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 176 * ARG1: none 177 * OUTPUT: 178 * WORD - structure size in bytes (includes size field) 179 * DWORD - pending sbios requests 180 * BYTE - panel expansion mode 181 * BYTE - thermal state: target gfx controller 182 * BYTE - thermal state: state id (0: exit state, non-0: state) 183 * BYTE - forced power state: target gfx controller 184 * BYTE - forced power state: state id 185 * BYTE - system power source 186 * BYTE - panel backlight level (0-255) 187 */ 188/* pending sbios requests */ 189# define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0) 190# define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1) 191# define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2) 192# define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3) 193# define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4) 194# define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5) 195# define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6) 196# define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7) 197# define ATIF_DGPU_DISPLAY_EVENT (1 << 8) 198/* panel expansion mode */ 199# define ATIF_PANEL_EXPANSION_DISABLE 0 200# define ATIF_PANEL_EXPANSION_FULL 1 201# define ATIF_PANEL_EXPANSION_ASPECT 2 202/* target gfx controller */ 203# define ATIF_TARGET_GFX_SINGLE 0 204# define ATIF_TARGET_GFX_PX_IGPU 1 205# define ATIF_TARGET_GFX_PX_DGPU 2 206/* system power source */ 207# define ATIF_POWER_SOURCE_AC 1 208# define ATIF_POWER_SOURCE_DC 2 209# define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3 210# define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4 211#define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3 212/* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 213 * ARG1: 214 * WORD - structure size in bytes (includes size field) 215 * WORD - selected displays 216 * WORD - connected displays 217 * OUTPUT: 218 * WORD - structure size in bytes (includes size field) 219 * WORD - selected displays 220 */ 221# define ATIF_LCD1 (1 << 0) 222# define ATIF_CRT1 (1 << 1) 223# define ATIF_TV (1 << 2) 224# define ATIF_DFP1 (1 << 3) 225# define ATIF_CRT2 (1 << 4) 226# define ATIF_LCD2 (1 << 5) 227# define ATIF_DFP2 (1 << 7) 228# define ATIF_CV (1 << 8) 229# define ATIF_DFP3 (1 << 9) 230# define ATIF_DFP4 (1 << 10) 231# define ATIF_DFP5 (1 << 11) 232# define ATIF_DFP6 (1 << 12) 233#define ATIF_FUNCTION_GET_LID_STATE 0x4 234/* ARG0: ATIF_FUNCTION_GET_LID_STATE 235 * ARG1: none 236 * OUTPUT: 237 * WORD - structure size in bytes (includes size field) 238 * BYTE - lid state (0: open, 1: closed) 239 * 240 * GET_LID_STATE only works at boot and resume, for general lid 241 * status, use the kernel provided status 242 */ 243#define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5 244/* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 245 * ARG1: none 246 * OUTPUT: 247 * WORD - structure size in bytes (includes size field) 248 * BYTE - 0 249 * BYTE - TV standard 250 */ 251# define ATIF_TV_STD_NTSC 0 252# define ATIF_TV_STD_PAL 1 253# define ATIF_TV_STD_PALM 2 254# define ATIF_TV_STD_PAL60 3 255# define ATIF_TV_STD_NTSCJ 4 256# define ATIF_TV_STD_PALCN 5 257# define ATIF_TV_STD_PALN 6 258# define ATIF_TV_STD_SCART_RGB 9 259#define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6 260/* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 261 * ARG1: 262 * WORD - structure size in bytes (includes size field) 263 * BYTE - 0 264 * BYTE - TV standard 265 * OUTPUT: none 266 */ 267#define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7 268/* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 269 * ARG1: none 270 * OUTPUT: 271 * WORD - structure size in bytes (includes size field) 272 * BYTE - panel expansion mode 273 */ 274#define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8 275/* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 276 * ARG1: 277 * WORD - structure size in bytes (includes size field) 278 * BYTE - panel expansion mode 279 * OUTPUT: none 280 */ 281#define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD 282/* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 283 * ARG1: 284 * WORD - structure size in bytes (includes size field) 285 * WORD - gfx controller id 286 * BYTE - current temperature (degress Celsius) 287 * OUTPUT: none 288 */ 289#define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF 290/* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 291 * ARG1: none 292 * OUTPUT: 293 * WORD - number of gfx devices 294 * WORD - device structure size in bytes (excludes device size field) 295 * DWORD - flags \ 296 * WORD - bus number } repeated structure 297 * WORD - device number / 298 */ 299/* flags */ 300# define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0) 301# define ATIF_XGP_PORT (1 << 1) 302# define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2) 303# define ATIF_XGP_PORT_IN_DOCK (1 << 3) 304#define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION 0x15 305/* ARG0: ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION 306 * ARG1: none 307 * OUTPUT: 308 * WORD - number of reported external gfx devices 309 * WORD - device structure size in bytes (excludes device size field) 310 * WORD - flags \ 311 * WORD - bus number / repeated structure 312 */ 313/* flags */ 314# define ATIF_EXTERNAL_GRAPHICS_PORT (1 << 0) 315 316/* ATPX */ 317#define ATPX_FUNCTION_VERIFY_INTERFACE 0x0 318/* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE 319 * ARG1: none 320 * OUTPUT: 321 * WORD - structure size in bytes (includes size field) 322 * WORD - version 323 * DWORD - supported functions bit vector 324 */ 325/* supported functions vector */ 326# define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0) 327# define ATPX_POWER_CONTROL_SUPPORTED (1 << 1) 328# define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2) 329# define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3) 330# define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4) 331# define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5) 332# define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7) 333# define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8) 334#define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1 335/* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS 336 * ARG1: none 337 * OUTPUT: 338 * WORD - structure size in bytes (includes size field) 339 * DWORD - valid flags mask 340 * DWORD - flags 341 */ 342/* flags */ 343# define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0) 344# define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1) 345# define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2) 346# define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3) 347# define ATPX_TV_SIGNAL_MUXED (1 << 4) 348# define ATPX_DFP_SIGNAL_MUXED (1 << 5) 349# define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6) 350# define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7) 351# define ATPX_ACF_NOT_SUPPORTED (1 << 8) 352# define ATPX_FIXED_NOT_SUPPORTED (1 << 9) 353# define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10) 354# define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11) 355# define ATPX_DGPU_CAN_DRIVE_DISPLAYS (1 << 12) 356# define ATPX_MS_HYBRID_GFX_SUPPORTED (1 << 14) 357#define ATPX_FUNCTION_POWER_CONTROL 0x2 358/* ARG0: ATPX_FUNCTION_POWER_CONTROL 359 * ARG1: 360 * WORD - structure size in bytes (includes size field) 361 * BYTE - dGPU power state (0: power off, 1: power on) 362 * OUTPUT: none 363 */ 364#define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3 365/* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL 366 * ARG1: 367 * WORD - structure size in bytes (includes size field) 368 * WORD - display mux control (0: iGPU, 1: dGPU) 369 * OUTPUT: none 370 */ 371# define ATPX_INTEGRATED_GPU 0 372# define ATPX_DISCRETE_GPU 1 373#define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4 374/* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL 375 * ARG1: 376 * WORD - structure size in bytes (includes size field) 377 * WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU) 378 * OUTPUT: none 379 */ 380#define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5 381/* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 382 * ARG1: 383 * WORD - structure size in bytes (includes size field) 384 * WORD - target gpu (0: iGPU, 1: dGPU) 385 * OUTPUT: none 386 */ 387#define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6 388/* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 389 * ARG1: 390 * WORD - structure size in bytes (includes size field) 391 * WORD - target gpu (0: iGPU, 1: dGPU) 392 * OUTPUT: none 393 */ 394#define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8 395/* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 396 * ARG1: none 397 * OUTPUT: 398 * WORD - number of display connectors 399 * WORD - connector structure size in bytes (excludes connector size field) 400 * BYTE - flags \ 401 * BYTE - ATIF display vector bit position } repeated 402 * BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure 403 * WORD - connector ACPI id / 404 */ 405/* flags */ 406# define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0) 407# define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1) 408# define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2) 409#define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9 410/* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 411 * ARG1: none 412 * OUTPUT: 413 * WORD - number of HPD/DDC ports 414 * WORD - port structure size in bytes (excludes port size field) 415 * BYTE - ATIF display vector bit position \ 416 * BYTE - hpd id } reapeated structure 417 * BYTE - ddc id / 418 * 419 * available on A+A systems only 420 */ 421/* hpd id */ 422# define ATPX_HPD_NONE 0 423# define ATPX_HPD1 1 424# define ATPX_HPD2 2 425# define ATPX_HPD3 3 426# define ATPX_HPD4 4 427# define ATPX_HPD5 5 428# define ATPX_HPD6 6 429/* ddc id */ 430# define ATPX_DDC_NONE 0 431# define ATPX_DDC1 1 432# define ATPX_DDC2 2 433# define ATPX_DDC3 3 434# define ATPX_DDC4 4 435# define ATPX_DDC5 5 436# define ATPX_DDC6 6 437# define ATPX_DDC7 7 438# define ATPX_DDC8 8 439 440/* ATCS */ 441#define ATCS_FUNCTION_VERIFY_INTERFACE 0x0 442/* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE 443 * ARG1: none 444 * OUTPUT: 445 * WORD - structure size in bytes (includes size field) 446 * WORD - version 447 * DWORD - supported functions bit vector 448 */ 449/* supported functions vector */ 450# define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0) 451# define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1) 452# define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2) 453# define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3) 454#define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1 455/* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE 456 * ARG1: none 457 * OUTPUT: 458 * WORD - structure size in bytes (includes size field) 459 * DWORD - valid flags mask 460 * DWORD - flags (0: undocked, 1: docked) 461 */ 462/* flags */ 463# define ATCS_DOCKED (1 << 0) 464#define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2 465/* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 466 * ARG1: 467 * WORD - structure size in bytes (includes size field) 468 * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) 469 * WORD - valid flags mask 470 * WORD - flags 471 * BYTE - request type 472 * BYTE - performance request 473 * OUTPUT: 474 * WORD - structure size in bytes (includes size field) 475 * BYTE - return value 476 */ 477/* flags */ 478# define ATCS_ADVERTISE_CAPS (1 << 0) 479# define ATCS_WAIT_FOR_COMPLETION (1 << 1) 480/* request type */ 481# define ATCS_PCIE_LINK_SPEED 1 482/* performance request */ 483# define ATCS_REMOVE 0 484# define ATCS_FORCE_LOW_POWER 1 485# define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */ 486# define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */ 487# define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */ 488/* return value */ 489# define ATCS_REQUEST_REFUSED 1 490# define ATCS_REQUEST_COMPLETE 2 491# define ATCS_REQUEST_IN_PROGRESS 3 492#define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 0x3 493/* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 494 * ARG1: none 495 * OUTPUT: none 496 */ 497#define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 0x4 498/* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 499 * ARG1: 500 * WORD - structure size in bytes (includes size field) 501 * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) 502 * BYTE - number of active lanes 503 * OUTPUT: 504 * WORD - structure size in bytes (includes size field) 505 * BYTE - number of active lanes 506 */ 507 508#endif 509