drm/radeon/radeon_acpi.h

0001 /*
0002  * Copyright 2012 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  */
0023
0024 #ifndef RADEON_ACPI_H
0025 #define RADEON_ACPI_H
0026
0027 struct radeon_device;
0028 struct acpi_bus_event;
0029
0030 /* AMD hw uses four ACPI control methods:
0031  * 1. ATIF
0032  * ARG0: (ACPI_INTEGER) function code
0033  * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
0034  * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
0035  * ATIF provides an entry point for the gfx driver to interact with the sbios.
0036  * The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom
0037  * notification. Which notification is used as indicated by the ATIF Control
0038  * Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or
0039  * a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS
0040  * to identify pending System BIOS requests and associated parameters. For
0041  * example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver
0042  * will perform display device detection and invoke ATIF Control Method
0043  * SELECT_ACTIVE_DISPLAYS.
0044  *
0045  * 2. ATPX
0046  * ARG0: (ACPI_INTEGER) function code
0047  * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
0048  * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
0049  * ATPX methods are used on PowerXpress systems to handle mux switching and
0050  * discrete GPU power control.
0051  *
0052  * 3. ATRM
0053  * ARG0: (ACPI_INTEGER) offset of vbios rom data
0054  * ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K).
0055  * OUTPUT: (ACPI_BUFFER) output buffer
0056  * ATRM provides an interfacess to access the discrete GPU vbios image on
0057  * PowerXpress systems with multiple GPUs.
0058  *
0059  * 4. ATCS
0060  * ARG0: (ACPI_INTEGER) function code
0061  * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
0062  * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
0063  * ATCS provides an interface to AMD chipset specific functionality.
0064  *
0065  */
0066 /* ATIF */
0067 #define ATIF_FUNCTION_VERIFY_INTERFACE                             0x0
0068 /* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE
0069  * ARG1: none
0070  * OUTPUT:
0071  * WORD  - structure size in bytes (includes size field)
0072  * WORD  - version
0073  * DWORD - supported notifications mask
0074  * DWORD - supported functions bit vector
0075  */
0076 /* Notifications mask */
0077 #       define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED               (1 << 0)
0078 #       define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED        (1 << 1)
0079 #       define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED         (1 << 2)
0080 #       define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED    (1 << 3)
0081 #       define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED   (1 << 4)
0082 #       define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED          (1 << 5)
0083 #       define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED                (1 << 6)
0084 #       define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED      (1 << 7)
0085 #       define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED                   (1 << 8)
0086 /* supported functions vector */
0087 #       define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED               (1 << 0)
0088 #       define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED            (1 << 1)
0089 #       define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED              (1 << 2)
0090 #       define ATIF_GET_LID_STATE_SUPPORTED                       (1 << 3)
0091 #       define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED           (1 << 4)
0092 #       define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED             (1 << 5)
0093 #       define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED  (1 << 6)
0094 #       define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED    (1 << 7)
0095 #       define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED     (1 << 12)
0096 #       define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED           (1 << 14)
0097 #       define ATIF_GET_EXTERNAL_GPU_INFORMATION_SUPPORTED        (1 << 20)
0098 #define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS                        0x1
0099 /* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS
0100  * ARG1: none
0101  * OUTPUT:
0102  * WORD  - structure size in bytes (includes size field)
0103  * DWORD - valid flags mask
0104  * DWORD - flags
0105  *
0106  * OR
0107  *
0108  * WORD  - structure size in bytes (includes size field)
0109  * DWORD - valid flags mask
0110  * DWORD - flags
0111  * BYTE  - notify command code
0112  *
0113  * flags
0114  * bits 1:0:
0115  * 0 - Notify(VGA, 0x81) is not used for notification
0116  * 1 - Notify(VGA, 0x81) is used for notification
0117  * 2 - Notify(VGA, n) is used for notification where
0118  * n (0xd0-0xd9) is specified in notify command code.
0119  * bit 2:
0120  * 1 - lid changes not reported though int10
0121  */
0122 #define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS                     0x2
0123 /* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS
0124  * ARG1: none
0125  * OUTPUT:
0126  * WORD  - structure size in bytes (includes size field)
0127  * DWORD - pending sbios requests
0128  * BYTE  - panel expansion mode
0129  * BYTE  - thermal state: target gfx controller
0130  * BYTE  - thermal state: state id (0: exit state, non-0: state)
0131  * BYTE  - forced power state: target gfx controller
0132  * BYTE  - forced power state: state id
0133  * BYTE  - system power source
0134  * BYTE  - panel backlight level (0-255)
0135  */
0136 /* pending sbios requests */
0137 #       define ATIF_DISPLAY_SWITCH_REQUEST                         (1 << 0)
0138 #       define ATIF_EXPANSION_MODE_CHANGE_REQUEST                  (1 << 1)
0139 #       define ATIF_THERMAL_STATE_CHANGE_REQUEST                   (1 << 2)
0140 #       define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST              (1 << 3)
0141 #       define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST             (1 << 4)
0142 #       define ATIF_DISPLAY_CONF_CHANGE_REQUEST                    (1 << 5)
0143 #       define ATIF_PX_GFX_SWITCH_REQUEST                          (1 << 6)
0144 #       define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST                (1 << 7)
0145 #       define ATIF_DGPU_DISPLAY_EVENT                             (1 << 8)
0146 /* panel expansion mode */
0147 #       define ATIF_PANEL_EXPANSION_DISABLE                        0
0148 #       define ATIF_PANEL_EXPANSION_FULL                           1
0149 #       define ATIF_PANEL_EXPANSION_ASPECT                         2
0150 /* target gfx controller */
0151 #       define ATIF_TARGET_GFX_SINGLE                              0
0152 #       define ATIF_TARGET_GFX_PX_IGPU                             1
0153 #       define ATIF_TARGET_GFX_PX_DGPU                             2
0154 /* system power source */
0155 #       define ATIF_POWER_SOURCE_AC                                1
0156 #       define ATIF_POWER_SOURCE_DC                                2
0157 #       define ATIF_POWER_SOURCE_RESTRICTED_AC_1                   3
0158 #       define ATIF_POWER_SOURCE_RESTRICTED_AC_2                   4
0159 #define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS                       0x3
0160 /* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS
0161  * ARG1:
0162  * WORD  - structure size in bytes (includes size field)
0163  * WORD  - selected displays
0164  * WORD  - connected displays
0165  * OUTPUT:
0166  * WORD  - structure size in bytes (includes size field)
0167  * WORD  - selected displays
0168  */
0169 #       define ATIF_LCD1                                           (1 << 0)
0170 #       define ATIF_CRT1                                           (1 << 1)
0171 #       define ATIF_TV                                             (1 << 2)
0172 #       define ATIF_DFP1                                           (1 << 3)
0173 #       define ATIF_CRT2                                           (1 << 4)
0174 #       define ATIF_LCD2                                           (1 << 5)
0175 #       define ATIF_DFP2                                           (1 << 7)
0176 #       define ATIF_CV                                             (1 << 8)
0177 #       define ATIF_DFP3                                           (1 << 9)
0178 #       define ATIF_DFP4                                           (1 << 10)
0179 #       define ATIF_DFP5                                           (1 << 11)
0180 #       define ATIF_DFP6                                           (1 << 12)
0181 #define ATIF_FUNCTION_GET_LID_STATE                                0x4
0182 /* ARG0: ATIF_FUNCTION_GET_LID_STATE
0183  * ARG1: none
0184  * OUTPUT:
0185  * WORD  - structure size in bytes (includes size field)
0186  * BYTE  - lid state (0: open, 1: closed)
0187  *
0188  * GET_LID_STATE only works at boot and resume, for general lid
0189  * status, use the kernel provided status
0190  */
0191 #define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS                    0x5
0192 /* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS
0193  * ARG1: none
0194  * OUTPUT:
0195  * WORD  - structure size in bytes (includes size field)
0196  * BYTE  - 0
0197  * BYTE  - TV standard
0198  */
0199 #       define ATIF_TV_STD_NTSC                                    0
0200 #       define ATIF_TV_STD_PAL                                     1
0201 #       define ATIF_TV_STD_PALM                                    2
0202 #       define ATIF_TV_STD_PAL60                                   3
0203 #       define ATIF_TV_STD_NTSCJ                                   4
0204 #       define ATIF_TV_STD_PALCN                                   5
0205 #       define ATIF_TV_STD_PALN                                    6
0206 #       define ATIF_TV_STD_SCART_RGB                               9
0207 #define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS                      0x6
0208 /* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS
0209  * ARG1:
0210  * WORD  - structure size in bytes (includes size field)
0211  * BYTE  - 0
0212  * BYTE  - TV standard
0213  * OUTPUT: none
0214  */
0215 #define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS           0x7
0216 /* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS
0217  * ARG1: none
0218  * OUTPUT:
0219  * WORD  - structure size in bytes (includes size field)
0220  * BYTE  - panel expansion mode
0221  */
0222 #define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS             0x8
0223 /* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS
0224  * ARG1:
0225  * WORD  - structure size in bytes (includes size field)
0226  * BYTE  - panel expansion mode
0227  * OUTPUT: none
0228  */
0229 #define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION              0xD
0230 /* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION
0231  * ARG1:
0232  * WORD  - structure size in bytes (includes size field)
0233  * WORD  - gfx controller id
0234  * BYTE  - current temperature (degress Celsius)
0235  * OUTPUT: none
0236  */
0237 #define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES                    0xF
0238 /* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES
0239  * ARG1: none
0240  * OUTPUT:
0241  * WORD  - number of gfx devices
0242  * WORD  - device structure size in bytes (excludes device size field)
0243  * DWORD - flags         \
0244  * WORD  - bus number     } repeated structure
0245  * WORD  - device number /
0246  */
0247 /* flags */
0248 #       define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE                   (1 << 0)
0249 #       define ATIF_XGP_PORT                                       (1 << 1)
0250 #       define ATIF_VGA_ENABLED_GRAPHICS_DEVICE                    (1 << 2)
0251 #       define ATIF_XGP_PORT_IN_DOCK                               (1 << 3)
0252 #define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION                 0x15
0253 /* ARG0: ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION
0254  * ARG1: none
0255  * OUTPUT:
0256  * WORD  - number of reported external gfx devices
0257  * WORD  - device structure size in bytes (excludes device size field)
0258  * WORD  - flags         \
0259  * WORD  - bus number    / repeated structure
0260  */
0261 /* flags */
0262 #       define ATIF_EXTERNAL_GRAPHICS_PORT                         (1 << 0)
0263
0264 /* ATPX */
0265 #define ATPX_FUNCTION_VERIFY_INTERFACE                             0x0
0266 /* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE
0267  * ARG1: none
0268  * OUTPUT:
0269  * WORD  - structure size in bytes (includes size field)
0270  * WORD  - version
0271  * DWORD - supported functions bit vector
0272  */
0273 /* supported functions vector */
0274 #       define ATPX_GET_PX_PARAMETERS_SUPPORTED                    (1 << 0)
0275 #       define ATPX_POWER_CONTROL_SUPPORTED                        (1 << 1)
0276 #       define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED                  (1 << 2)
0277 #       define ATPX_I2C_MUX_CONTROL_SUPPORTED                      (1 << 3)
0278 #       define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4)
0279 #       define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED   (1 << 5)
0280 #       define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED       (1 << 7)
0281 #       define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED          (1 << 8)
0282 #define ATPX_FUNCTION_GET_PX_PARAMETERS                            0x1
0283 /* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS
0284  * ARG1: none
0285  * OUTPUT:
0286  * WORD  - structure size in bytes (includes size field)
0287  * DWORD - valid flags mask
0288  * DWORD - flags
0289  */
0290 /* flags */
0291 #       define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS                (1 << 0)
0292 #       define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS                (1 << 1)
0293 #       define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS                (1 << 2)
0294 #       define ATPX_CRT1_RGB_SIGNAL_MUXED                          (1 << 3)
0295 #       define ATPX_TV_SIGNAL_MUXED                                (1 << 4)
0296 #       define ATPX_DFP_SIGNAL_MUXED                               (1 << 5)
0297 #       define ATPX_SEPARATE_MUX_FOR_I2C                           (1 << 6)
0298 #       define ATPX_DYNAMIC_PX_SUPPORTED                           (1 << 7)
0299 #       define ATPX_ACF_NOT_SUPPORTED                              (1 << 8)
0300 #       define ATPX_FIXED_NOT_SUPPORTED                            (1 << 9)
0301 #       define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED               (1 << 10)
0302 #       define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS                    (1 << 11)
0303 #       define ATPX_DGPU_CAN_DRIVE_DISPLAYS                        (1 << 12)
0304 #       define ATPX_MS_HYBRID_GFX_SUPPORTED                        (1 << 14)
0305 #define ATPX_FUNCTION_POWER_CONTROL                                0x2
0306 /* ARG0: ATPX_FUNCTION_POWER_CONTROL
0307  * ARG1:
0308  * WORD  - structure size in bytes (includes size field)
0309  * BYTE  - dGPU power state (0: power off, 1: power on)
0310  * OUTPUT: none
0311  */
0312 #define ATPX_FUNCTION_DISPLAY_MUX_CONTROL                          0x3
0313 /* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL
0314  * ARG1:
0315  * WORD  - structure size in bytes (includes size field)
0316  * WORD  - display mux control (0: iGPU, 1: dGPU)
0317  * OUTPUT: none
0318  */
0319 #       define ATPX_INTEGRATED_GPU                                 0
0320 #       define ATPX_DISCRETE_GPU                                   1
0321 #define ATPX_FUNCTION_I2C_MUX_CONTROL                              0x4
0322 /* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL
0323  * ARG1:
0324  * WORD  - structure size in bytes (includes size field)
0325  * WORD  - i2c/aux/hpd mux control (0: iGPU, 1: dGPU)
0326  * OUTPUT: none
0327  */
0328 #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION    0x5
0329 /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION
0330  * ARG1:
0331  * WORD  - structure size in bytes (includes size field)
0332  * WORD  - target gpu (0: iGPU, 1: dGPU)
0333  * OUTPUT: none
0334  */
0335 #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION      0x6
0336 /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION
0337  * ARG1:
0338  * WORD  - structure size in bytes (includes size field)
0339  * WORD  - target gpu (0: iGPU, 1: dGPU)
0340  * OUTPUT: none
0341  */
0342 #define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING               0x8
0343 /* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING
0344  * ARG1: none
0345  * OUTPUT:
0346  * WORD  - number of display connectors
0347  * WORD  - connector structure size in bytes (excludes connector size field)
0348  * BYTE  - flags                                                     \
0349  * BYTE  - ATIF display vector bit position                           } repeated
0350  * BYTE  - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure
0351  * WORD  - connector ACPI id                                         /
0352  */
0353 /* flags */
0354 #       define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE  (1 << 0)
0355 #       define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE     (1 << 1)
0356 #       define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE     (1 << 2)
0357 #define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS                  0x9
0358 /* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS
0359  * ARG1: none
0360  * OUTPUT:
0361  * WORD  - number of HPD/DDC ports
0362  * WORD  - port structure size in bytes (excludes port size field)
0363  * BYTE  - ATIF display vector bit position \
0364  * BYTE  - hpd id                            } reapeated structure
0365  * BYTE  - ddc id                           /
0366  *
0367  * available on A+A systems only
0368  */
0369 /* hpd id */
0370 #       define ATPX_HPD_NONE                                       0
0371 #       define ATPX_HPD1                                           1
0372 #       define ATPX_HPD2                                           2
0373 #       define ATPX_HPD3                                           3
0374 #       define ATPX_HPD4                                           4
0375 #       define ATPX_HPD5                                           5
0376 #       define ATPX_HPD6                                           6
0377 /* ddc id */
0378 #       define ATPX_DDC_NONE                                       0
0379 #       define ATPX_DDC1                                           1
0380 #       define ATPX_DDC2                                           2
0381 #       define ATPX_DDC3                                           3
0382 #       define ATPX_DDC4                                           4
0383 #       define ATPX_DDC5                                           5
0384 #       define ATPX_DDC6                                           6
0385 #       define ATPX_DDC7                                           7
0386 #       define ATPX_DDC8                                           8
0387
0388 /* ATCS */
0389 #define ATCS_FUNCTION_VERIFY_INTERFACE                             0x0
0390 /* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE
0391  * ARG1: none
0392  * OUTPUT:
0393  * WORD  - structure size in bytes (includes size field)
0394  * WORD  - version
0395  * DWORD - supported functions bit vector
0396  */
0397 /* supported functions vector */
0398 #       define ATCS_GET_EXTERNAL_STATE_SUPPORTED                   (1 << 0)
0399 #       define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED             (1 << 1)
0400 #       define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED       (1 << 2)
0401 #       define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED                   (1 << 3)
0402 #define ATCS_FUNCTION_GET_EXTERNAL_STATE                           0x1
0403 /* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE
0404  * ARG1: none
0405  * OUTPUT:
0406  * WORD  - structure size in bytes (includes size field)
0407  * DWORD - valid flags mask
0408  * DWORD - flags (0: undocked, 1: docked)
0409  */
0410 /* flags */
0411 #       define ATCS_DOCKED                                         (1 << 0)
0412 #define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST                     0x2
0413 /* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST
0414  * ARG1:
0415  * WORD  - structure size in bytes (includes size field)
0416  * WORD  - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num)
0417  * WORD  - valid flags mask
0418  * WORD  - flags
0419  * BYTE  - request type
0420  * BYTE  - performance request
0421  * OUTPUT:
0422  * WORD  - structure size in bytes (includes size field)
0423  * BYTE  - return value
0424  */
0425 /* flags */
0426 #       define ATCS_ADVERTISE_CAPS                                 (1 << 0)
0427 #       define ATCS_WAIT_FOR_COMPLETION                            (1 << 1)
0428 /* request type */
0429 #       define ATCS_PCIE_LINK_SPEED                                1
0430 /* performance request */
0431 #       define ATCS_REMOVE                                         0
0432 #       define ATCS_FORCE_LOW_POWER                                1
0433 #       define ATCS_PERF_LEVEL_1                                   2 /* PCIE Gen 1 */
0434 #       define ATCS_PERF_LEVEL_2                                   3 /* PCIE Gen 2 */
0435 #       define ATCS_PERF_LEVEL_3                                   4 /* PCIE Gen 3 */
0436 /* return value */
0437 #       define ATCS_REQUEST_REFUSED                                1
0438 #       define ATCS_REQUEST_COMPLETE                               2
0439 #       define ATCS_REQUEST_IN_PROGRESS                            3
0440 #define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION               0x3
0441 /* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION
0442  * ARG1: none
0443  * OUTPUT: none
0444  */
0445 #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH                           0x4
0446 /* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH
0447  * ARG1:
0448  * WORD  - structure size in bytes (includes size field)
0449  * WORD  - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num)
0450  * BYTE  - number of active lanes
0451  * OUTPUT:
0452  * WORD  - structure size in bytes (includes size field)
0453  * BYTE  - number of active lanes
0454  */
0455
0456 #endif