drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h - linux/torvalds/linux - Git at Google

 /*
  * Copyright 2012-15 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.
  *
  * Authors: AMD
  *
  */

 #ifndef __DAL_GRPH_OBJECT_CTRL_DEFS_H__
 #define __DAL_GRPH_OBJECT_CTRL_DEFS_H__

 #include "grph_object_defs.h"

 /*
  * #####################################################
  * #####################################################
  *
  * These defines shared between asic_control/bios_parser and other
  * DAL components
  *
  * #####################################################
  * #####################################################
  */

 enum display_output_bit_depth {
 	PANEL_UNDEFINE = 0,
 	PANEL_6BIT_COLOR = 1,
 	PANEL_8BIT_COLOR = 2,
 	PANEL_10BIT_COLOR = 3,
 	PANEL_12BIT_COLOR = 4,
 	PANEL_16BIT_COLOR = 5,
 };


 /* Device type as abstracted by ATOM BIOS */
 enum dal_device_type {
 	DEVICE_TYPE_UNKNOWN = 0,
 	DEVICE_TYPE_LCD,
 	DEVICE_TYPE_CRT,
 	DEVICE_TYPE_DFP,
 	DEVICE_TYPE_CV,
 	DEVICE_TYPE_TV,
 	DEVICE_TYPE_CF,
 	DEVICE_TYPE_WIRELESS
 };

 /* Device ID as abstracted by ATOM BIOS */
 struct device_id {
 	enum dal_device_type device_type:16;
 	uint32_t enum_id:16;	/* 1 based enum */
 	uint16_t raw_device_tag;
 };

 struct graphics_object_i2c_info {
 	struct gpio_info {
 		uint32_t clk_mask_register_index;
 		uint32_t clk_en_register_index;
 		uint32_t clk_y_register_index;
 		uint32_t clk_a_register_index;
 		uint32_t data_mask_register_index;
 		uint32_t data_en_register_index;
 		uint32_t data_y_register_index;
 		uint32_t data_a_register_index;

 		uint32_t clk_mask_shift;
 		uint32_t clk_en_shift;
 		uint32_t clk_y_shift;
 		uint32_t clk_a_shift;
 		uint32_t data_mask_shift;
 		uint32_t data_en_shift;
 		uint32_t data_y_shift;
 		uint32_t data_a_shift;
 	} gpio_info;

 	bool i2c_hw_assist;
 	uint32_t i2c_line;
 	uint32_t i2c_engine_id;
 	uint32_t i2c_slave_address;
 };

 struct graphics_object_hpd_info {
 	uint8_t hpd_int_gpio_uid;
 	uint8_t hpd_active;
 };

 struct connector_device_tag_info {
 	uint32_t acpi_device;
 	struct device_id dev_id;
 };

 struct device_timing {
 	struct misc_info {
 		uint32_t HORIZONTAL_CUT_OFF:1;
 		/* 0=Active High, 1=Active Low */
 		uint32_t H_SYNC_POLARITY:1;
 		/* 0=Active High, 1=Active Low */
 		uint32_t V_SYNC_POLARITY:1;
 		uint32_t VERTICAL_CUT_OFF:1;
 		uint32_t H_REPLICATION_BY2:1;
 		uint32_t V_REPLICATION_BY2:1;
 		uint32_t COMPOSITE_SYNC:1;
 		uint32_t INTERLACE:1;
 		uint32_t DOUBLE_CLOCK:1;
 		uint32_t RGB888:1;
 		uint32_t GREY_LEVEL:2;
 		uint32_t SPATIAL:1;
 		uint32_t TEMPORAL:1;
 		uint32_t API_ENABLED:1;
 	} misc_info;

 	uint32_t pixel_clk; /* in KHz */
 	uint32_t horizontal_addressable;
 	uint32_t horizontal_blanking_time;
 	uint32_t vertical_addressable;
 	uint32_t vertical_blanking_time;
 	uint32_t horizontal_sync_offset;
 	uint32_t horizontal_sync_width;
 	uint32_t vertical_sync_offset;
 	uint32_t vertical_sync_width;
 	uint32_t horizontal_border;
 	uint32_t vertical_border;
 };

 struct supported_refresh_rate {
 	uint32_t REFRESH_RATE_30HZ:1;
 	uint32_t REFRESH_RATE_40HZ:1;
 	uint32_t REFRESH_RATE_48HZ:1;
 	uint32_t REFRESH_RATE_50HZ:1;
 	uint32_t REFRESH_RATE_60HZ:1;
 };

 struct embedded_panel_info {
 	struct device_timing lcd_timing;
 	uint32_t ss_id;
 	struct supported_refresh_rate supported_rr;
 	uint32_t drr_enabled;
 	uint32_t min_drr_refresh_rate;
 	bool realtek_eDPToLVDS;
 };

 struct dc_firmware_info {
 	struct pll_info {
 		uint32_t crystal_frequency; /* in KHz */
 		uint32_t min_input_pxl_clk_pll_frequency; /* in KHz */
 		uint32_t max_input_pxl_clk_pll_frequency; /* in KHz */
 		uint32_t min_output_pxl_clk_pll_frequency; /* in KHz */
 		uint32_t max_output_pxl_clk_pll_frequency; /* in KHz */
 	} pll_info;

 	struct firmware_feature {
 		uint32_t memory_clk_ss_percentage;
 		uint32_t engine_clk_ss_percentage;
 	} feature;

 	uint32_t default_display_engine_pll_frequency; /* in KHz */
 	uint32_t external_clock_source_frequency_for_dp; /* in KHz */
 	uint32_t smu_gpu_pll_output_freq; /* in KHz */
 	uint8_t min_allowed_bl_level;
 	uint8_t remote_display_config;
 	uint32_t default_memory_clk; /* in KHz */
 	uint32_t default_engine_clk; /* in KHz */
 	uint32_t dp_phy_ref_clk; /* in KHz - DCE12 only */
 	uint32_t i2c_engine_ref_clk; /* in KHz - DCE12 only */


 };

 struct step_and_delay_info {
 	uint32_t step;
 	uint32_t delay;
 	uint32_t recommended_ref_div;
 };

 struct spread_spectrum_info {
 	struct spread_spectrum_type {
 		bool CENTER_MODE:1;
 		bool EXTERNAL:1;
 		bool STEP_AND_DELAY_INFO:1;
 	} type;

 	/* in unit of 0.01% (spreadPercentageDivider = 100),
 	otherwise in 0.001% units (spreadPercentageDivider = 1000); */
 	uint32_t spread_spectrum_percentage;
 	uint32_t spread_percentage_divider; /* 100 or 1000 */
 	uint32_t spread_spectrum_range; /* modulation freq (HZ)*/

 	union {
 		struct step_and_delay_info step_and_delay_info;
 		/* For mem/engine/uvd, Clock Out frequence (VCO ),
 		in unit of kHz. For TMDS/HDMI/LVDS, it is pixel clock,
 		for DP, it is link clock ( 270000 or 162000 ) */
 		uint32_t target_clock_range; /* in KHz */
 	};

 };

 struct graphics_object_encoder_cap_info {
 	uint32_t dp_hbr2_cap:1;
 	uint32_t dp_hbr2_validated:1;
 	/*
 	 * TODO: added MST and HDMI 6G capable flags
 	 */
 	uint32_t reserved:15;
 };

 struct din_connector_info {
 	uint32_t gpio_id;
 	bool gpio_tv_active_state;
 };

 /* Invalid channel mapping */
 enum { INVALID_DDI_CHANNEL_MAPPING = 0x0 };

 /**
  * DDI PHY channel mapping reflecting XBAR setting
  */
 union ddi_channel_mapping {
 	struct mapping {
 		uint8_t lane0:2;	/* Mapping for lane 0 */
 		uint8_t lane1:2;	/* Mapping for lane 1 */
 		uint8_t lane2:2;	/* Mapping for lane 2 */
 		uint8_t lane3:2;	/* Mapping for lane 3 */
 	} mapping;
 	uint8_t raw;
 };

 /**
 * Transmitter output configuration description
 */
 struct transmitter_configuration_info {
 	/* DDI PHY ID for the transmitter */
 	enum transmitter transmitter_phy_id;
 	/* DDI PHY channel mapping reflecting crossbar setting */
 	union ddi_channel_mapping output_channel_mapping;
 };

 struct transmitter_configuration {
 	/* Configuration for the primary transmitter */
 	struct transmitter_configuration_info primary_transmitter_config;
 	/* Secondary transmitter configuration for Dual-link DVI */
 	struct transmitter_configuration_info secondary_transmitter_config;
 };

 /* These size should be sufficient to store info coming from BIOS */
 #define NUMBER_OF_UCHAR_FOR_GUID 16
 #define MAX_NUMBER_OF_EXT_DISPLAY_PATH 7
 #define NUMBER_OF_CSR_M3_ARB 10
 #define NUMBER_OF_DISP_CLK_VOLTAGE 4
 #define NUMBER_OF_AVAILABLE_SCLK 5

 struct i2c_reg_info {
 	unsigned char       i2c_reg_index;
 	unsigned char       i2c_reg_val;
 };

 struct ext_hdmi_settings {
 	unsigned char   slv_addr;
 	unsigned char   reg_num;
 	struct i2c_reg_info      reg_settings[9];
 	unsigned char   reg_num_6g;
 	struct i2c_reg_info      reg_settings_6g[3];
 };


 /* V6 */
 struct integrated_info {
 	struct clock_voltage_caps {
 		/* The Voltage Index indicated by FUSE, same voltage index
 		shared with SCLK DPM fuse table */
 		uint32_t voltage_index;
 		/* Maximum clock supported with specified voltage index */
 		uint32_t max_supported_clk; /* in KHz */
 	} disp_clk_voltage[NUMBER_OF_DISP_CLK_VOLTAGE];

 	struct display_connection_info {
 		struct external_display_path {
 			/* A bit vector to show what devices are supported */
 			uint32_t device_tag;
 			/* 16bit device ACPI id. */
 			uint32_t device_acpi_enum;
 			/* A physical connector for displays to plug in,
 			using object connector definitions */
 			struct graphics_object_id device_connector_id;
 			/* An index into external AUX/DDC channel LUT */
 			uint8_t ext_aux_ddc_lut_index;
 			/* An index into external HPD pin LUT */
 			uint8_t ext_hpd_pin_lut_index;
 			/* external encoder object id */
 			struct graphics_object_id ext_encoder_obj_id;
 			/* XBAR mapping of the PHY channels */
 			union ddi_channel_mapping channel_mapping;

 			unsigned short caps;
 		} path[MAX_NUMBER_OF_EXT_DISPLAY_PATH];

 		uint8_t gu_id[NUMBER_OF_UCHAR_FOR_GUID];
 		uint8_t checksum;
 	} ext_disp_conn_info; /* exiting long long time */

 	struct available_s_clk_list {
 		/* Maximum clock supported with specified voltage index */
 		uint32_t supported_s_clk; /* in KHz */
 		/* The Voltage Index indicated by FUSE for specified SCLK */
 		uint32_t voltage_index;
 		/* The Voltage ID indicated by FUSE for specified SCLK */
 		uint32_t voltage_id;
 	} avail_s_clk[NUMBER_OF_AVAILABLE_SCLK];

 	uint8_t memory_type;
 	uint8_t ma_channel_number;
 	uint32_t boot_up_engine_clock; /* in KHz */
 	uint32_t dentist_vco_freq; /* in KHz */
 	uint32_t boot_up_uma_clock; /* in KHz */
 	uint32_t boot_up_req_display_vector;
 	uint32_t other_display_misc;
 	uint32_t gpu_cap_info;
 	uint32_t sb_mmio_base_addr;
 	uint32_t system_config;
 	uint32_t cpu_cap_info;
 	uint32_t max_nb_voltage;
 	uint32_t min_nb_voltage;
 	uint32_t boot_up_nb_voltage;
 	uint32_t ext_disp_conn_info_offset;
 	uint32_t csr_m3_arb_cntl_default[NUMBER_OF_CSR_M3_ARB];
 	uint32_t csr_m3_arb_cntl_uvd[NUMBER_OF_CSR_M3_ARB];
 	uint32_t csr_m3_arb_cntl_fs3d[NUMBER_OF_CSR_M3_ARB];
 	uint32_t gmc_restore_reset_time;
 	uint32_t minimum_n_clk;
 	uint32_t idle_n_clk;
 	uint32_t ddr_dll_power_up_time;
 	uint32_t ddr_pll_power_up_time;
 	/* start for V6 */
 	uint32_t pcie_clk_ss_type;
 	uint32_t lvds_ss_percentage;
 	uint32_t lvds_sspread_rate_in_10hz;
 	uint32_t hdmi_ss_percentage;
 	uint32_t hdmi_sspread_rate_in_10hz;
 	uint32_t dvi_ss_percentage;
 	uint32_t dvi_sspread_rate_in_10_hz;
 	uint32_t sclk_dpm_boost_margin;
 	uint32_t sclk_dpm_throttle_margin;
 	uint32_t sclk_dpm_tdp_limit_pg;
 	uint32_t sclk_dpm_tdp_limit_boost;
 	uint32_t boost_engine_clock;
 	uint32_t boost_vid_2bit;
 	uint32_t enable_boost;
 	uint32_t gnb_tdp_limit;
 	/* Start from V7 */
 	uint32_t max_lvds_pclk_freq_in_single_link;
 	uint32_t lvds_misc;
 	uint32_t lvds_pwr_on_seq_dig_on_to_de_in_4ms;
 	uint32_t lvds_pwr_on_seq_de_to_vary_bl_in_4ms;
 	uint32_t lvds_pwr_off_seq_vary_bl_to_de_in4ms;
 	uint32_t lvds_pwr_off_seq_de_to_dig_on_in4ms;
 	uint32_t lvds_off_to_on_delay_in_4ms;
 	uint32_t lvds_pwr_on_seq_vary_bl_to_blon_in_4ms;
 	uint32_t lvds_pwr_off_seq_blon_to_vary_bl_in_4ms;
 	uint32_t lvds_reserved1;
 	uint32_t lvds_bit_depth_control_val;
 	//Start from V9
 	unsigned char dp0_ext_hdmi_slv_addr;
 	unsigned char dp0_ext_hdmi_reg_num;
 	struct i2c_reg_info dp0_ext_hdmi_reg_settings[9];
 	unsigned char dp0_ext_hdmi_6g_reg_num;
 	struct i2c_reg_info dp0_ext_hdmi_6g_reg_settings[3];
 	unsigned char dp1_ext_hdmi_slv_addr;
 	unsigned char dp1_ext_hdmi_reg_num;
 	struct i2c_reg_info dp1_ext_hdmi_reg_settings[9];
 	unsigned char dp1_ext_hdmi_6g_reg_num;
 	struct i2c_reg_info dp1_ext_hdmi_6g_reg_settings[3];
 	unsigned char dp2_ext_hdmi_slv_addr;
 	unsigned char dp2_ext_hdmi_reg_num;
 	struct i2c_reg_info dp2_ext_hdmi_reg_settings[9];
 	unsigned char dp2_ext_hdmi_6g_reg_num;
 	struct i2c_reg_info dp2_ext_hdmi_6g_reg_settings[3];
 	unsigned char dp3_ext_hdmi_slv_addr;
 	unsigned char dp3_ext_hdmi_reg_num;
 	struct i2c_reg_info dp3_ext_hdmi_reg_settings[9];
 	unsigned char dp3_ext_hdmi_6g_reg_num;
 	struct i2c_reg_info dp3_ext_hdmi_6g_reg_settings[3];
 	/* V11 */
 	uint32_t dp_ss_control;
 };

 /**
 * Power source ids.
 */
 enum power_source {
 	POWER_SOURCE_AC = 0,
 	POWER_SOURCE_DC,
 	POWER_SOURCE_LIMITED_POWER,
 	POWER_SOURCE_LIMITED_POWER_2,
 	POWER_SOURCE_MAX
 };

 struct bios_event_info {
 	uint32_t thermal_state;
 	uint32_t backlight_level;
 	enum power_source powerSource;
 	bool has_thermal_state_changed;
 	bool has_power_source_changed;
 	bool has_forced_mode_changed;
 	bool forced_mode;
 	bool backlight_changed;
 };

 /*
  * DFS-bypass flag
  */
 /* Copy of SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS from atombios.h */
 enum {
 	DFS_BYPASS_ENABLE = 0x10
 };

 enum {
 	INVALID_BACKLIGHT = -1
 };

 struct panel_backlight_boundaries {
 	uint32_t min_signal_level;
 	uint32_t max_signal_level;
 };


 #endif
	/*
	* Copyright 2012-15 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.
	*
	* Authors: AMD
	*
	*/

	#ifndef __DAL_GRPH_OBJECT_CTRL_DEFS_H__
	#define __DAL_GRPH_OBJECT_CTRL_DEFS_H__

	#include "grph_object_defs.h"

	/*
	* #####################################################
	* #####################################################
	*
	* These defines shared between asic_control/bios_parser and other
	* DAL components
	*
	* #####################################################
	* #####################################################
	*/

	enum display_output_bit_depth {
	PANEL_UNDEFINE = 0,
	PANEL_6BIT_COLOR = 1,
	PANEL_8BIT_COLOR = 2,
	PANEL_10BIT_COLOR = 3,
	PANEL_12BIT_COLOR = 4,
	PANEL_16BIT_COLOR = 5,
	};


	/* Device type as abstracted by ATOM BIOS */
	enum dal_device_type {
	DEVICE_TYPE_UNKNOWN = 0,
	DEVICE_TYPE_LCD,
	DEVICE_TYPE_CRT,
	DEVICE_TYPE_DFP,
	DEVICE_TYPE_CV,
	DEVICE_TYPE_TV,
	DEVICE_TYPE_CF,
	DEVICE_TYPE_WIRELESS
	};

	/* Device ID as abstracted by ATOM BIOS */
	struct device_id {
	enum dal_device_type device_type:16;
	uint32_t enum_id:16; /* 1 based enum */
	uint16_t raw_device_tag;
	};

	struct graphics_object_i2c_info {
	struct gpio_info {
	uint32_t clk_mask_register_index;
	uint32_t clk_en_register_index;
	uint32_t clk_y_register_index;
	uint32_t clk_a_register_index;
	uint32_t data_mask_register_index;
	uint32_t data_en_register_index;
	uint32_t data_y_register_index;
	uint32_t data_a_register_index;

	uint32_t clk_mask_shift;
	uint32_t clk_en_shift;
	uint32_t clk_y_shift;
	uint32_t clk_a_shift;
	uint32_t data_mask_shift;
	uint32_t data_en_shift;
	uint32_t data_y_shift;
	uint32_t data_a_shift;
	} gpio_info;

	bool i2c_hw_assist;
	uint32_t i2c_line;
	uint32_t i2c_engine_id;
	uint32_t i2c_slave_address;
	};

	struct graphics_object_hpd_info {
	uint8_t hpd_int_gpio_uid;
	uint8_t hpd_active;
	};

	struct connector_device_tag_info {
	uint32_t acpi_device;
	struct device_id dev_id;
	};

	struct device_timing {
	struct misc_info {
	uint32_t HORIZONTAL_CUT_OFF:1;
	/* 0=Active High, 1=Active Low */
	uint32_t H_SYNC_POLARITY:1;
	/* 0=Active High, 1=Active Low */
	uint32_t V_SYNC_POLARITY:1;
	uint32_t VERTICAL_CUT_OFF:1;
	uint32_t H_REPLICATION_BY2:1;
	uint32_t V_REPLICATION_BY2:1;
	uint32_t COMPOSITE_SYNC:1;
	uint32_t INTERLACE:1;
	uint32_t DOUBLE_CLOCK:1;
	uint32_t RGB888:1;
	uint32_t GREY_LEVEL:2;
	uint32_t SPATIAL:1;
	uint32_t TEMPORAL:1;
	uint32_t API_ENABLED:1;
	} misc_info;

	uint32_t pixel_clk; /* in KHz */
	uint32_t horizontal_addressable;
	uint32_t horizontal_blanking_time;
	uint32_t vertical_addressable;
	uint32_t vertical_blanking_time;
	uint32_t horizontal_sync_offset;
	uint32_t horizontal_sync_width;
	uint32_t vertical_sync_offset;
	uint32_t vertical_sync_width;
	uint32_t horizontal_border;
	uint32_t vertical_border;
	};

	struct supported_refresh_rate {
	uint32_t REFRESH_RATE_30HZ:1;
	uint32_t REFRESH_RATE_40HZ:1;
	uint32_t REFRESH_RATE_48HZ:1;
	uint32_t REFRESH_RATE_50HZ:1;
	uint32_t REFRESH_RATE_60HZ:1;
	};

	struct embedded_panel_info {
	struct device_timing lcd_timing;
	uint32_t ss_id;
	struct supported_refresh_rate supported_rr;
	uint32_t drr_enabled;
	uint32_t min_drr_refresh_rate;
	bool realtek_eDPToLVDS;
	};

	struct dc_firmware_info {
	struct pll_info {
	uint32_t crystal_frequency; /* in KHz */
	uint32_t min_input_pxl_clk_pll_frequency; /* in KHz */
	uint32_t max_input_pxl_clk_pll_frequency; /* in KHz */
	uint32_t min_output_pxl_clk_pll_frequency; /* in KHz */
	uint32_t max_output_pxl_clk_pll_frequency; /* in KHz */
	} pll_info;

	struct firmware_feature {
	uint32_t memory_clk_ss_percentage;
	uint32_t engine_clk_ss_percentage;
	} feature;

	uint32_t default_display_engine_pll_frequency; /* in KHz */
	uint32_t external_clock_source_frequency_for_dp; /* in KHz */
	uint32_t smu_gpu_pll_output_freq; /* in KHz */
	uint8_t min_allowed_bl_level;
	uint8_t remote_display_config;
	uint32_t default_memory_clk; /* in KHz */
	uint32_t default_engine_clk; /* in KHz */
	uint32_t dp_phy_ref_clk; /* in KHz - DCE12 only */
	uint32_t i2c_engine_ref_clk; /* in KHz - DCE12 only */


	};

	struct step_and_delay_info {
	uint32_t step;
	uint32_t delay;
	uint32_t recommended_ref_div;
	};

	struct spread_spectrum_info {
	struct spread_spectrum_type {
	bool CENTER_MODE:1;
	bool EXTERNAL:1;
	bool STEP_AND_DELAY_INFO:1;
	} type;

	/* in unit of 0.01% (spreadPercentageDivider = 100),
	otherwise in 0.001% units (spreadPercentageDivider = 1000); */
	uint32_t spread_spectrum_percentage;
	uint32_t spread_percentage_divider; /* 100 or 1000 */
	uint32_t spread_spectrum_range; /* modulation freq (HZ)*/

	union {
	struct step_and_delay_info step_and_delay_info;
	/* For mem/engine/uvd, Clock Out frequence (VCO ),
	in unit of kHz. For TMDS/HDMI/LVDS, it is pixel clock,
	for DP, it is link clock ( 270000 or 162000 ) */
	uint32_t target_clock_range; /* in KHz */
	};

	};

	struct graphics_object_encoder_cap_info {
	uint32_t dp_hbr2_cap:1;
	uint32_t dp_hbr2_validated:1;
	/*
	* TODO: added MST and HDMI 6G capable flags
	*/
	uint32_t reserved:15;
	};

	struct din_connector_info {
	uint32_t gpio_id;
	bool gpio_tv_active_state;
	};

	/* Invalid channel mapping */
	enum { INVALID_DDI_CHANNEL_MAPPING = 0x0 };

	/**
	* DDI PHY channel mapping reflecting XBAR setting
	*/
	union ddi_channel_mapping {
	struct mapping {
	uint8_t lane0:2; /* Mapping for lane 0 */
	uint8_t lane1:2; /* Mapping for lane 1 */
	uint8_t lane2:2; /* Mapping for lane 2 */
	uint8_t lane3:2; /* Mapping for lane 3 */
	} mapping;
	uint8_t raw;
	};

	/**
	* Transmitter output configuration description
	*/
	struct transmitter_configuration_info {
	/* DDI PHY ID for the transmitter */
	enum transmitter transmitter_phy_id;
	/* DDI PHY channel mapping reflecting crossbar setting */
	union ddi_channel_mapping output_channel_mapping;
	};

	struct transmitter_configuration {
	/* Configuration for the primary transmitter */
	struct transmitter_configuration_info primary_transmitter_config;
	/* Secondary transmitter configuration for Dual-link DVI */
	struct transmitter_configuration_info secondary_transmitter_config;
	};

	/* These size should be sufficient to store info coming from BIOS */
	#define NUMBER_OF_UCHAR_FOR_GUID 16
	#define MAX_NUMBER_OF_EXT_DISPLAY_PATH 7
	#define NUMBER_OF_CSR_M3_ARB 10
	#define NUMBER_OF_DISP_CLK_VOLTAGE 4
	#define NUMBER_OF_AVAILABLE_SCLK 5

	struct i2c_reg_info {
	unsigned char i2c_reg_index;
	unsigned char i2c_reg_val;
	};

	struct ext_hdmi_settings {
	unsigned char slv_addr;
	unsigned char reg_num;
	struct i2c_reg_info reg_settings[9];
	unsigned char reg_num_6g;
	struct i2c_reg_info reg_settings_6g[3];
	};


	/* V6 */
	struct integrated_info {
	struct clock_voltage_caps {
	/* The Voltage Index indicated by FUSE, same voltage index
	shared with SCLK DPM fuse table */
	uint32_t voltage_index;
	/* Maximum clock supported with specified voltage index */
	uint32_t max_supported_clk; /* in KHz */
	} disp_clk_voltage[NUMBER_OF_DISP_CLK_VOLTAGE];

	struct display_connection_info {
	struct external_display_path {
	/* A bit vector to show what devices are supported */
	uint32_t device_tag;
	/* 16bit device ACPI id. */
	uint32_t device_acpi_enum;
	/* A physical connector for displays to plug in,
	using object connector definitions */
	struct graphics_object_id device_connector_id;
	/* An index into external AUX/DDC channel LUT */
	uint8_t ext_aux_ddc_lut_index;
	/* An index into external HPD pin LUT */
	uint8_t ext_hpd_pin_lut_index;
	/* external encoder object id */
	struct graphics_object_id ext_encoder_obj_id;
	/* XBAR mapping of the PHY channels */
	union ddi_channel_mapping channel_mapping;

	unsigned short caps;
	} path[MAX_NUMBER_OF_EXT_DISPLAY_PATH];

	uint8_t gu_id[NUMBER_OF_UCHAR_FOR_GUID];
	uint8_t checksum;
	} ext_disp_conn_info; /* exiting long long time */

	struct available_s_clk_list {
	/* Maximum clock supported with specified voltage index */
	uint32_t supported_s_clk; /* in KHz */
	/* The Voltage Index indicated by FUSE for specified SCLK */
	uint32_t voltage_index;
	/* The Voltage ID indicated by FUSE for specified SCLK */
	uint32_t voltage_id;
	} avail_s_clk[NUMBER_OF_AVAILABLE_SCLK];

	uint8_t memory_type;
	uint8_t ma_channel_number;
	uint32_t boot_up_engine_clock; /* in KHz */
	uint32_t dentist_vco_freq; /* in KHz */
	uint32_t boot_up_uma_clock; /* in KHz */
	uint32_t boot_up_req_display_vector;
	uint32_t other_display_misc;
	uint32_t gpu_cap_info;
	uint32_t sb_mmio_base_addr;
	uint32_t system_config;
	uint32_t cpu_cap_info;
	uint32_t max_nb_voltage;
	uint32_t min_nb_voltage;
	uint32_t boot_up_nb_voltage;
	uint32_t ext_disp_conn_info_offset;
	uint32_t csr_m3_arb_cntl_default[NUMBER_OF_CSR_M3_ARB];
	uint32_t csr_m3_arb_cntl_uvd[NUMBER_OF_CSR_M3_ARB];
	uint32_t csr_m3_arb_cntl_fs3d[NUMBER_OF_CSR_M3_ARB];
	uint32_t gmc_restore_reset_time;
	uint32_t minimum_n_clk;
	uint32_t idle_n_clk;
	uint32_t ddr_dll_power_up_time;
	uint32_t ddr_pll_power_up_time;
	/* start for V6 */
	uint32_t pcie_clk_ss_type;
	uint32_t lvds_ss_percentage;
	uint32_t lvds_sspread_rate_in_10hz;
	uint32_t hdmi_ss_percentage;
	uint32_t hdmi_sspread_rate_in_10hz;
	uint32_t dvi_ss_percentage;
	uint32_t dvi_sspread_rate_in_10_hz;
	uint32_t sclk_dpm_boost_margin;
	uint32_t sclk_dpm_throttle_margin;
	uint32_t sclk_dpm_tdp_limit_pg;
	uint32_t sclk_dpm_tdp_limit_boost;
	uint32_t boost_engine_clock;
	uint32_t boost_vid_2bit;
	uint32_t enable_boost;
	uint32_t gnb_tdp_limit;
	/* Start from V7 */
	uint32_t max_lvds_pclk_freq_in_single_link;
	uint32_t lvds_misc;
	uint32_t lvds_pwr_on_seq_dig_on_to_de_in_4ms;
	uint32_t lvds_pwr_on_seq_de_to_vary_bl_in_4ms;
	uint32_t lvds_pwr_off_seq_vary_bl_to_de_in4ms;
	uint32_t lvds_pwr_off_seq_de_to_dig_on_in4ms;
	uint32_t lvds_off_to_on_delay_in_4ms;
	uint32_t lvds_pwr_on_seq_vary_bl_to_blon_in_4ms;
	uint32_t lvds_pwr_off_seq_blon_to_vary_bl_in_4ms;
	uint32_t lvds_reserved1;
	uint32_t lvds_bit_depth_control_val;
	//Start from V9
	unsigned char dp0_ext_hdmi_slv_addr;
	unsigned char dp0_ext_hdmi_reg_num;
	struct i2c_reg_info dp0_ext_hdmi_reg_settings[9];
	unsigned char dp0_ext_hdmi_6g_reg_num;
	struct i2c_reg_info dp0_ext_hdmi_6g_reg_settings[3];
	unsigned char dp1_ext_hdmi_slv_addr;
	unsigned char dp1_ext_hdmi_reg_num;
	struct i2c_reg_info dp1_ext_hdmi_reg_settings[9];
	unsigned char dp1_ext_hdmi_6g_reg_num;
	struct i2c_reg_info dp1_ext_hdmi_6g_reg_settings[3];
	unsigned char dp2_ext_hdmi_slv_addr;
	unsigned char dp2_ext_hdmi_reg_num;
	struct i2c_reg_info dp2_ext_hdmi_reg_settings[9];
	unsigned char dp2_ext_hdmi_6g_reg_num;
	struct i2c_reg_info dp2_ext_hdmi_6g_reg_settings[3];
	unsigned char dp3_ext_hdmi_slv_addr;
	unsigned char dp3_ext_hdmi_reg_num;
	struct i2c_reg_info dp3_ext_hdmi_reg_settings[9];
	unsigned char dp3_ext_hdmi_6g_reg_num;
	struct i2c_reg_info dp3_ext_hdmi_6g_reg_settings[3];
	/* V11 */
	uint32_t dp_ss_control;
	};

	/**
	* Power source ids.
	*/
	enum power_source {
	POWER_SOURCE_AC = 0,
	POWER_SOURCE_DC,
	POWER_SOURCE_LIMITED_POWER,
	POWER_SOURCE_LIMITED_POWER_2,
	POWER_SOURCE_MAX
	};

	struct bios_event_info {
	uint32_t thermal_state;
	uint32_t backlight_level;
	enum power_source powerSource;
	bool has_thermal_state_changed;
	bool has_power_source_changed;
	bool has_forced_mode_changed;
	bool forced_mode;
	bool backlight_changed;
	};

	/*
	* DFS-bypass flag
	*/
	/* Copy of SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS from atombios.h */
	enum {
	DFS_BYPASS_ENABLE = 0x10
	};

	enum {
	INVALID_BACKLIGHT = -1
	};

	struct panel_backlight_boundaries {
	uint32_t min_signal_level;
	uint32_t max_signal_level;
	};


	#endif