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