mirror of https://gitee.com/openkylin/linux.git
509 lines
22 KiB
C
509 lines
22 KiB
C
/*
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* Copyright 2012 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef AMD_ACPI_H
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#define AMD_ACPI_H
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#define ACPI_AC_CLASS "ac_adapter"
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struct atif_verify_interface {
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u16 size; /* structure size in bytes (includes size field) */
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u16 version; /* version */
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u32 notification_mask; /* supported notifications mask */
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u32 function_bits; /* supported functions bit vector */
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} __packed;
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struct atif_system_params {
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u16 size; /* structure size in bytes (includes size field) */
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u32 valid_mask; /* valid flags mask */
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u32 flags; /* flags */
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u8 command_code; /* notify command code */
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} __packed;
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struct atif_sbios_requests {
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u16 size; /* structure size in bytes (includes size field) */
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u32 pending; /* pending sbios requests */
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u8 panel_exp_mode; /* panel expansion mode */
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u8 thermal_gfx; /* thermal state: target gfx controller */
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u8 thermal_state; /* thermal state: state id (0: exit state, non-0: state) */
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u8 forced_power_gfx; /* forced power state: target gfx controller */
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u8 forced_power_state; /* forced power state: state id */
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u8 system_power_src; /* system power source */
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u8 backlight_level; /* panel backlight level (0-255) */
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} __packed;
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#define ATIF_NOTIFY_MASK 0x3
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#define ATIF_NOTIFY_NONE 0
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#define ATIF_NOTIFY_81 1
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#define ATIF_NOTIFY_N 2
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struct atcs_verify_interface {
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u16 size; /* structure size in bytes (includes size field) */
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u16 version; /* version */
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u32 function_bits; /* supported functions bit vector */
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} __packed;
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#define ATCS_VALID_FLAGS_MASK 0x3
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struct atcs_pref_req_input {
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u16 size; /* structure size in bytes (includes size field) */
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u16 client_id; /* client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) */
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u16 valid_flags_mask; /* valid flags mask */
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u16 flags; /* flags */
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u8 req_type; /* request type */
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u8 perf_req; /* performance request */
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} __packed;
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struct atcs_pref_req_output {
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u16 size; /* structure size in bytes (includes size field) */
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u8 ret_val; /* return value */
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} __packed;
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/* AMD hw uses four ACPI control methods:
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* 1. ATIF
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* ARG0: (ACPI_INTEGER) function code
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* ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
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* OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
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* ATIF provides an entry point for the gfx driver to interact with the sbios.
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* The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom
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* notification. Which notification is used as indicated by the ATIF Control
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* Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or
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* a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS
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* to identify pending System BIOS requests and associated parameters. For
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* example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver
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* will perform display device detection and invoke ATIF Control Method
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* SELECT_ACTIVE_DISPLAYS.
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*
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* 2. ATPX
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* ARG0: (ACPI_INTEGER) function code
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* ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
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* OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
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* ATPX methods are used on PowerXpress systems to handle mux switching and
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* discrete GPU power control.
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*
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* 3. ATRM
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* ARG0: (ACPI_INTEGER) offset of vbios rom data
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* ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K).
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* OUTPUT: (ACPI_BUFFER) output buffer
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* ATRM provides an interfacess to access the discrete GPU vbios image on
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* PowerXpress systems with multiple GPUs.
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*
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* 4. ATCS
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* ARG0: (ACPI_INTEGER) function code
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* ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
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* OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
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* ATCS provides an interface to AMD chipset specific functionality.
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*
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*/
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/* ATIF */
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#define ATIF_FUNCTION_VERIFY_INTERFACE 0x0
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/* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* WORD - version
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* DWORD - supported notifications mask
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* DWORD - supported functions bit vector
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*/
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/* Notifications mask */
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# define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0)
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# define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1)
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# define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2)
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# define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3)
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# define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4)
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# define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5)
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# define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6)
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# define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7)
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# define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8)
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/* supported functions vector */
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# define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0)
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# define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1)
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# define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2)
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# define ATIF_GET_LID_STATE_SUPPORTED (1 << 3)
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# define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4)
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# define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5)
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# define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6)
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# define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7)
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# define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12)
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# define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14)
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# define ATIF_GET_EXTERNAL_GPU_INFORMATION_SUPPORTED (1 << 20)
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#define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1
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/* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* DWORD - valid flags mask
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* DWORD - flags
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*
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* OR
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*
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* WORD - structure size in bytes (includes size field)
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* DWORD - valid flags mask
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* DWORD - flags
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* BYTE - notify command code
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*
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* flags
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* bits 1:0:
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* 0 - Notify(VGA, 0x81) is not used for notification
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* 1 - Notify(VGA, 0x81) is used for notification
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* 2 - Notify(VGA, n) is used for notification where
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* n (0xd0-0xd9) is specified in notify command code.
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* bit 2:
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* 1 - lid changes not reported though int10
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*/
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#define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2
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/* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* DWORD - pending sbios requests
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* BYTE - panel expansion mode
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* BYTE - thermal state: target gfx controller
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* BYTE - thermal state: state id (0: exit state, non-0: state)
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* BYTE - forced power state: target gfx controller
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* BYTE - forced power state: state id
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* BYTE - system power source
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* BYTE - panel backlight level (0-255)
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*/
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/* pending sbios requests */
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# define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0)
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# define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1)
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# define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2)
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# define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3)
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# define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4)
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# define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5)
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# define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6)
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# define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7)
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# define ATIF_DGPU_DISPLAY_EVENT (1 << 8)
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/* panel expansion mode */
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# define ATIF_PANEL_EXPANSION_DISABLE 0
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# define ATIF_PANEL_EXPANSION_FULL 1
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# define ATIF_PANEL_EXPANSION_ASPECT 2
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/* target gfx controller */
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# define ATIF_TARGET_GFX_SINGLE 0
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# define ATIF_TARGET_GFX_PX_IGPU 1
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# define ATIF_TARGET_GFX_PX_DGPU 2
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/* system power source */
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# define ATIF_POWER_SOURCE_AC 1
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# define ATIF_POWER_SOURCE_DC 2
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# define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3
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# define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4
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#define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3
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/* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* WORD - selected displays
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* WORD - connected displays
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* WORD - selected displays
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*/
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# define ATIF_LCD1 (1 << 0)
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# define ATIF_CRT1 (1 << 1)
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# define ATIF_TV (1 << 2)
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# define ATIF_DFP1 (1 << 3)
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# define ATIF_CRT2 (1 << 4)
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# define ATIF_LCD2 (1 << 5)
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# define ATIF_DFP2 (1 << 7)
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# define ATIF_CV (1 << 8)
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# define ATIF_DFP3 (1 << 9)
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# define ATIF_DFP4 (1 << 10)
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# define ATIF_DFP5 (1 << 11)
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# define ATIF_DFP6 (1 << 12)
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#define ATIF_FUNCTION_GET_LID_STATE 0x4
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/* ARG0: ATIF_FUNCTION_GET_LID_STATE
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* BYTE - lid state (0: open, 1: closed)
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*
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* GET_LID_STATE only works at boot and resume, for general lid
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* status, use the kernel provided status
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*/
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#define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5
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/* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* BYTE - 0
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* BYTE - TV standard
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*/
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# define ATIF_TV_STD_NTSC 0
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# define ATIF_TV_STD_PAL 1
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# define ATIF_TV_STD_PALM 2
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# define ATIF_TV_STD_PAL60 3
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# define ATIF_TV_STD_NTSCJ 4
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# define ATIF_TV_STD_PALCN 5
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# define ATIF_TV_STD_PALN 6
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# define ATIF_TV_STD_SCART_RGB 9
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#define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6
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/* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* BYTE - 0
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* BYTE - TV standard
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* OUTPUT: none
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*/
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#define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7
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/* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* BYTE - panel expansion mode
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*/
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#define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8
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/* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* BYTE - panel expansion mode
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* OUTPUT: none
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*/
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#define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD
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/* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* WORD - gfx controller id
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* BYTE - current temperature (degress Celsius)
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* OUTPUT: none
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*/
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#define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF
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/* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES
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* ARG1: none
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* OUTPUT:
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* WORD - number of gfx devices
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* WORD - device structure size in bytes (excludes device size field)
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* DWORD - flags \
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* WORD - bus number } repeated structure
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* WORD - device number /
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*/
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/* flags */
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# define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0)
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# define ATIF_XGP_PORT (1 << 1)
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# define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2)
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# define ATIF_XGP_PORT_IN_DOCK (1 << 3)
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#define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION 0x15
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/* ARG0: ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION
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* ARG1: none
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* OUTPUT:
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* WORD - number of reported external gfx devices
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* WORD - device structure size in bytes (excludes device size field)
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* WORD - flags \
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* WORD - bus number / repeated structure
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*/
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/* flags */
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# define ATIF_EXTERNAL_GRAPHICS_PORT (1 << 0)
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/* ATPX */
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#define ATPX_FUNCTION_VERIFY_INTERFACE 0x0
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/* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* WORD - version
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* DWORD - supported functions bit vector
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*/
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/* supported functions vector */
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# define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0)
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# define ATPX_POWER_CONTROL_SUPPORTED (1 << 1)
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# define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2)
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# define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3)
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# define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4)
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# define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5)
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# define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7)
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# define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8)
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#define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1
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/* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS
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* ARG1: none
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* OUTPUT:
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* WORD - structure size in bytes (includes size field)
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* DWORD - valid flags mask
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* DWORD - flags
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*/
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/* flags */
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# define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0)
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# define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1)
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# define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2)
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# define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3)
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# define ATPX_TV_SIGNAL_MUXED (1 << 4)
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# define ATPX_DFP_SIGNAL_MUXED (1 << 5)
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# define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6)
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# define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7)
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# define ATPX_ACF_NOT_SUPPORTED (1 << 8)
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# define ATPX_FIXED_NOT_SUPPORTED (1 << 9)
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# define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10)
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# define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11)
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# define ATPX_DGPU_CAN_DRIVE_DISPLAYS (1 << 12)
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# define ATPX_MS_HYBRID_GFX_SUPPORTED (1 << 14)
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#define ATPX_FUNCTION_POWER_CONTROL 0x2
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/* ARG0: ATPX_FUNCTION_POWER_CONTROL
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* BYTE - dGPU power state (0: power off, 1: power on)
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* OUTPUT: none
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*/
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#define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3
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/* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* WORD - display mux control (0: iGPU, 1: dGPU)
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* OUTPUT: none
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*/
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# define ATPX_INTEGRATED_GPU 0
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# define ATPX_DISCRETE_GPU 1
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#define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4
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/* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU)
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* OUTPUT: none
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*/
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#define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5
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/* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* WORD - target gpu (0: iGPU, 1: dGPU)
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* OUTPUT: none
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*/
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#define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6
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/* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION
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* ARG1:
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* WORD - structure size in bytes (includes size field)
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* WORD - target gpu (0: iGPU, 1: dGPU)
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* OUTPUT: none
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*/
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#define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8
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/* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING
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* ARG1: none
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* OUTPUT:
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* WORD - number of display connectors
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* WORD - connector structure size in bytes (excludes connector size field)
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* BYTE - flags \
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* BYTE - ATIF display vector bit position } repeated
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* BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure
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* WORD - connector ACPI id /
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*/
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/* flags */
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# define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0)
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# define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1)
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# define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2)
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#define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9
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/* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS
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* ARG1: none
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* OUTPUT:
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* WORD - number of HPD/DDC ports
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* WORD - port structure size in bytes (excludes port size field)
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* BYTE - ATIF display vector bit position \
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* BYTE - hpd id } reapeated structure
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* BYTE - ddc id /
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*
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* available on A+A systems only
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*/
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/* hpd id */
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# define ATPX_HPD_NONE 0
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# define ATPX_HPD1 1
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# define ATPX_HPD2 2
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# define ATPX_HPD3 3
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# define ATPX_HPD4 4
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# define ATPX_HPD5 5
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# define ATPX_HPD6 6
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/* ddc id */
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# define ATPX_DDC_NONE 0
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# define ATPX_DDC1 1
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# define ATPX_DDC2 2
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# define ATPX_DDC3 3
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# define ATPX_DDC4 4
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# define ATPX_DDC5 5
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# define ATPX_DDC6 6
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# define ATPX_DDC7 7
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# define ATPX_DDC8 8
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/* ATCS */
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#define ATCS_FUNCTION_VERIFY_INTERFACE 0x0
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/* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE
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* ARG1: none
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* OUTPUT:
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|
* WORD - structure size in bytes (includes size field)
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* WORD - version
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* DWORD - supported functions bit vector
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*/
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/* supported functions vector */
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# define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0)
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# define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1)
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# define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2)
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# define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3)
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#define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1
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/* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE
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* ARG1: none
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* OUTPUT:
|
|
* WORD - structure size in bytes (includes size field)
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|
* DWORD - valid flags mask
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* DWORD - flags (0: undocked, 1: docked)
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*/
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/* flags */
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# define ATCS_DOCKED (1 << 0)
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#define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2
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/* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST
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* 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)
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|
* WORD - valid flags mask
|
|
* WORD - flags
|
|
* BYTE - request type
|
|
* BYTE - performance request
|
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* OUTPUT:
|
|
* WORD - structure size in bytes (includes size field)
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* BYTE - return value
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*/
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/* flags */
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# define ATCS_ADVERTISE_CAPS (1 << 0)
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# define ATCS_WAIT_FOR_COMPLETION (1 << 1)
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/* request type */
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# define ATCS_PCIE_LINK_SPEED 1
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/* performance request */
|
|
# define ATCS_REMOVE 0
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|
# define ATCS_FORCE_LOW_POWER 1
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|
# define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */
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|
# define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */
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|
# define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */
|
|
/* return value */
|
|
# define ATCS_REQUEST_REFUSED 1
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|
# define ATCS_REQUEST_COMPLETE 2
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|
# define ATCS_REQUEST_IN_PROGRESS 3
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#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
|
|
*/
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|
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|
#endif
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