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linuxdebug/drivers/gpu/drm/i915/display/intel_vbt_defs.h

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null pointer error
2024-07-16 15:50:57 +02:00
/*
* Copyright © 2006-2016 Intel Corporation
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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:
* Eric Anholt <eric@anholt.net>
*
*/
/*
* This information is private to VBT parsing in intel_bios.c.
*
* Please do NOT include anywhere else.
*/
#ifndef _INTEL_BIOS_PRIVATE
#error "intel_vbt_defs.h is private to intel_bios.c"
#endif
#ifndef _INTEL_VBT_DEFS_H_
#define _INTEL_VBT_DEFS_H_
#include "intel_bios.h"
/**
* struct vbt_header - VBT Header structure
* @signature: VBT signature, always starts with "$VBT"
* @version: Version of this structure
* @header_size: Size of this structure
* @vbt_size: Size of VBT (VBT Header, BDB Header and data blocks)
* @vbt_checksum: Checksum
* @reserved0: Reserved
* @bdb_offset: Offset of &struct bdb_header from beginning of VBT
* @aim_offset: Offsets of add-in data blocks from beginning of VBT
*/
struct vbt_header {
u8 signature[20];
u16 version;
u16 header_size;
u16 vbt_size;
u8 vbt_checksum;
u8 reserved0;
u32 bdb_offset;
u32 aim_offset[4];
} __packed;
/**
* struct bdb_header - BDB Header structure
* @signature: BDB signature "BIOS_DATA_BLOCK"
* @version: Version of the data block definitions
* @header_size: Size of this structure
* @bdb_size: Size of BDB (BDB Header and data blocks)
*/
struct bdb_header {
u8 signature[16];
u16 version;
u16 header_size;
u16 bdb_size;
} __packed;
/*
* BDB version number dependencies are documented as:
*
* <start>+
* indicates the field was introduced in version <start>
* and is still valid
*
* <start>-<end>
* indicates the field was introduced in version <start>
* and obsoleted in version <end>+1.
*
* ??? indicates the specific version number is unknown
*/
/*
* There are several types of BIOS data blocks (BDBs), each block has
* an ID and size in the first 3 bytes (ID in first, size in next 2).
* Known types are listed below.
*/
enum bdb_block_id {
BDB_GENERAL_FEATURES = 1,
BDB_GENERAL_DEFINITIONS = 2,
BDB_OLD_TOGGLE_LIST = 3,
BDB_MODE_SUPPORT_LIST = 4,
BDB_GENERIC_MODE_TABLE = 5,
BDB_EXT_MMIO_REGS = 6,
BDB_SWF_IO = 7,
BDB_SWF_MMIO = 8,
BDB_PSR = 9,
BDB_MODE_REMOVAL_TABLE = 10,
BDB_CHILD_DEVICE_TABLE = 11,
BDB_DRIVER_FEATURES = 12,
BDB_DRIVER_PERSISTENCE = 13,
BDB_EXT_TABLE_PTRS = 14,
BDB_DOT_CLOCK_OVERRIDE = 15,
BDB_DISPLAY_SELECT = 16,
BDB_DRIVER_ROTATION = 18,
BDB_DISPLAY_REMOVE = 19,
BDB_OEM_CUSTOM = 20,
BDB_EFP_LIST = 21, /* workarounds for VGA hsync/vsync */
BDB_SDVO_LVDS_OPTIONS = 22,
BDB_SDVO_PANEL_DTDS = 23,
BDB_SDVO_LVDS_PNP_IDS = 24,
BDB_SDVO_LVDS_POWER_SEQ = 25,
BDB_TV_OPTIONS = 26,
BDB_EDP = 27,
BDB_LVDS_OPTIONS = 40,
BDB_LVDS_LFP_DATA_PTRS = 41,
BDB_LVDS_LFP_DATA = 42,
BDB_LVDS_BACKLIGHT = 43,
BDB_LFP_POWER = 44,
BDB_MIPI_CONFIG = 52,
BDB_MIPI_SEQUENCE = 53,
BDB_COMPRESSION_PARAMETERS = 56,
BDB_GENERIC_DTD = 58,
BDB_SKIP = 254, /* VBIOS private block, ignore */
};
/*
* Block 1 - General Bit Definitions
*/
struct bdb_general_features {
/* bits 1 */
u8 panel_fitting:2;
u8 flexaim:1;
u8 msg_enable:1;
u8 clear_screen:3;
u8 color_flip:1;
/* bits 2 */
u8 download_ext_vbt:1;
u8 enable_ssc:1;
u8 ssc_freq:1;
u8 enable_lfp_on_override:1;
u8 disable_ssc_ddt:1;
u8 underscan_vga_timings:1;
u8 display_clock_mode:1;
u8 vbios_hotplug_support:1;
/* bits 3 */
u8 disable_smooth_vision:1;
u8 single_dvi:1;
u8 rotate_180:1; /* 181+ */
u8 fdi_rx_polarity_inverted:1;
u8 vbios_extended_mode:1; /* 160+ */
u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160+ */
u8 panel_best_fit_timing:1; /* 160+ */
u8 ignore_strap_state:1; /* 160+ */
/* bits 4 */
u8 legacy_monitor_detect;
/* bits 5 */
u8 int_crt_support:1;
u8 int_tv_support:1;
u8 int_efp_support:1;
u8 dp_ssc_enable:1; /* PCH attached eDP supports SSC */
u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
u8 dp_ssc_dongle_supported:1;
u8 rsvd11:2; /* finish byte */
/* bits 6 */
u8 tc_hpd_retry_timeout:7; /* 242+ */
u8 rsvd12:1;
/* bits 7 */
u8 afc_startup_config:2; /* 249+ */
u8 rsvd13:6;
} __packed;
/*
* Block 2 - General Bytes Definition
*/
/* pre-915 */
#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
/* Device handle */
#define DEVICE_HANDLE_CRT 0x0001
#define DEVICE_HANDLE_EFP1 0x0004
#define DEVICE_HANDLE_EFP2 0x0040
#define DEVICE_HANDLE_EFP3 0x0020
#define DEVICE_HANDLE_EFP4 0x0010 /* 194+ */
#define DEVICE_HANDLE_EFP5 0x0002 /* 215+ */
#define DEVICE_HANDLE_EFP6 0x0001 /* 217+ */
#define DEVICE_HANDLE_EFP7 0x0100 /* 217+ */
#define DEVICE_HANDLE_EFP8 0x0200 /* 217+ */
#define DEVICE_HANDLE_LFP1 0x0008
#define DEVICE_HANDLE_LFP2 0x0080
/* Pre 915 */
#define DEVICE_TYPE_NONE 0x00
#define DEVICE_TYPE_CRT 0x01
#define DEVICE_TYPE_TV 0x09
#define DEVICE_TYPE_EFP 0x12
#define DEVICE_TYPE_LFP 0x22
/* On 915+ */
#define DEVICE_TYPE_CRT_DPMS 0x6001
#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
#define DEVICE_TYPE_TV_COMPOSITE 0x0209
#define DEVICE_TYPE_TV_MACROVISION 0x0289
#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
#define DEVICE_TYPE_TV_SCART 0x0209
#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
#define DEVICE_TYPE_EFP_DVI_I 0x6053
#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
#define DEVICE_TYPE_LFP_PANELLINK 0x5012
#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
/* Add the device class for LFP, TV, HDMI */
#define DEVICE_TYPE_INT_LFP 0x1022
#define DEVICE_TYPE_INT_TV 0x1009
#define DEVICE_TYPE_HDMI 0x60D2
#define DEVICE_TYPE_DP 0x68C6
#define DEVICE_TYPE_DP_DUAL_MODE 0x60D6
#define DEVICE_TYPE_eDP 0x78C6
#define DEVICE_TYPE_CLASS_EXTENSION (1 << 15)
#define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14)
#define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13)
#define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12)
#define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11)
#define DEVICE_TYPE_MIPI_OUTPUT (1 << 10)
#define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9)
#define DEVICE_TYPE_DUAL_CHANNEL (1 << 8)
#define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6)
#define DEVICE_TYPE_LVDS_SIGNALING (1 << 5)
#define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4)
#define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3)
#define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2)
#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1)
#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0)
#define DEVICE_CFG_NONE 0x00
#define DEVICE_CFG_12BIT_DVOB 0x01
#define DEVICE_CFG_12BIT_DVOC 0x02
#define DEVICE_CFG_24BIT_DVOBC 0x09
#define DEVICE_CFG_24BIT_DVOCB 0x0a
#define DEVICE_CFG_DUAL_DVOB 0x11
#define DEVICE_CFG_DUAL_DVOC 0x12
#define DEVICE_CFG_DUAL_DVOBC 0x13
#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
#define DEVICE_WIRE_NONE 0x00
#define DEVICE_WIRE_DVOB 0x01
#define DEVICE_WIRE_DVOC 0x02
#define DEVICE_WIRE_DVOBC 0x03
#define DEVICE_WIRE_DVOBB 0x05
#define DEVICE_WIRE_DVOCC 0x06
#define DEVICE_WIRE_DVOB_MASTER 0x0d
#define DEVICE_WIRE_DVOC_MASTER 0x0e
/* dvo_port pre BDB 155 */
#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
#define DEVICE_PORT_DVOB 0x01
#define DEVICE_PORT_DVOC 0x02
/* dvo_port BDB 155+ */
#define DVO_PORT_HDMIA 0
#define DVO_PORT_HDMIB 1
#define DVO_PORT_HDMIC 2
#define DVO_PORT_HDMID 3
#define DVO_PORT_LVDS 4
#define DVO_PORT_TV 5
#define DVO_PORT_CRT 6
#define DVO_PORT_DPB 7
#define DVO_PORT_DPC 8
#define DVO_PORT_DPD 9
#define DVO_PORT_DPA 10
#define DVO_PORT_DPE 11 /* 193+ */
#define DVO_PORT_HDMIE 12 /* 193+ */
#define DVO_PORT_DPF 13 /* N/A */
#define DVO_PORT_HDMIF 14 /* N/A */
#define DVO_PORT_DPG 15 /* 217+ */
#define DVO_PORT_HDMIG 16 /* 217+ */
#define DVO_PORT_DPH 17 /* 217+ */
#define DVO_PORT_HDMIH 18 /* 217+ */
#define DVO_PORT_DPI 19 /* 217+ */
#define DVO_PORT_HDMII 20 /* 217+ */
#define DVO_PORT_MIPIA 21 /* 171+ */
#define DVO_PORT_MIPIB 22 /* 171+ */
#define DVO_PORT_MIPIC 23 /* 171+ */
#define DVO_PORT_MIPID 24 /* 171+ */
#define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204+ */
#define HDMI_MAX_DATA_RATE_297 1 /* 204+ */
#define HDMI_MAX_DATA_RATE_165 2 /* 204+ */
#define HDMI_MAX_DATA_RATE_594 3 /* 249+ */
#define HDMI_MAX_DATA_RATE_340 4 /* 249+ */
#define HDMI_MAX_DATA_RATE_300 5 /* 249+ */
#define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
/* DDC Bus DDI Type 155+ */
enum vbt_gmbus_ddi {
DDC_BUS_DDI_B = 0x1,
DDC_BUS_DDI_C,
DDC_BUS_DDI_D,
DDC_BUS_DDI_F,
ICL_DDC_BUS_DDI_A = 0x1,
ICL_DDC_BUS_DDI_B,
TGL_DDC_BUS_DDI_C,
RKL_DDC_BUS_DDI_D = 0x3,
RKL_DDC_BUS_DDI_E,
ICL_DDC_BUS_PORT_1 = 0x4,
ICL_DDC_BUS_PORT_2,
ICL_DDC_BUS_PORT_3,
ICL_DDC_BUS_PORT_4,
TGL_DDC_BUS_PORT_5,
TGL_DDC_BUS_PORT_6,
ADLS_DDC_BUS_PORT_TC1 = 0x2,
ADLS_DDC_BUS_PORT_TC2,
ADLS_DDC_BUS_PORT_TC3,
ADLS_DDC_BUS_PORT_TC4,
ADLP_DDC_BUS_PORT_TC1 = 0x3,
ADLP_DDC_BUS_PORT_TC2,
ADLP_DDC_BUS_PORT_TC3,
ADLP_DDC_BUS_PORT_TC4
};
#define DP_AUX_A 0x40
#define DP_AUX_B 0x10
#define DP_AUX_C 0x20
#define DP_AUX_D 0x30
#define DP_AUX_E 0x50
#define DP_AUX_F 0x60
#define DP_AUX_G 0x70
#define DP_AUX_H 0x80
#define DP_AUX_I 0x90
/* DP max link rate 216+ */
#define BDB_216_VBT_DP_MAX_LINK_RATE_HBR3 0
#define BDB_216_VBT_DP_MAX_LINK_RATE_HBR2 1
#define BDB_216_VBT_DP_MAX_LINK_RATE_HBR 2
#define BDB_216_VBT_DP_MAX_LINK_RATE_LBR 3
/* DP max link rate 230+ */
#define BDB_230_VBT_DP_MAX_LINK_RATE_DEF 0
#define BDB_230_VBT_DP_MAX_LINK_RATE_LBR 1
#define BDB_230_VBT_DP_MAX_LINK_RATE_HBR 2
#define BDB_230_VBT_DP_MAX_LINK_RATE_HBR2 3
#define BDB_230_VBT_DP_MAX_LINK_RATE_HBR3 4
#define BDB_230_VBT_DP_MAX_LINK_RATE_UHBR10 5
#define BDB_230_VBT_DP_MAX_LINK_RATE_UHBR13P5 6
#define BDB_230_VBT_DP_MAX_LINK_RATE_UHBR20 7
/*
* The child device config, aka the display device data structure, provides a
* description of a port and its configuration on the platform.
*
* The child device config size has been increased, and fields have been added
* and their meaning has changed over time. Care must be taken when accessing
* basically any of the fields to ensure the correct interpretation for the BDB
* version in question.
*
* When we copy the child device configs to dev_priv->display.vbt.child_dev, we
* reserve space for the full structure below, and initialize the tail not
* actually present in VBT to zeros. Accessing those fields is fine, as long as
* the default zero is taken into account, again according to the BDB version.
*
* BDB versions 155 and below are considered legacy, and version 155 seems to be
* a baseline for some of the VBT documentation. When adding new fields, please
* include the BDB version when the field was added, if it's above that.
*/
struct child_device_config {
u16 handle;
u16 device_type; /* See DEVICE_TYPE_* above */
union {
u8 device_id[10]; /* ascii string */
struct {
u8 i2c_speed;
u8 dp_onboard_redriver_preemph:3; /* 158+ */
u8 dp_onboard_redriver_vswing:3; /* 158+ */
u8 dp_onboard_redriver_present:1; /* 158+ */
u8 reserved0:1;
u8 dp_ondock_redriver_preemph:3; /* 158+ */
u8 dp_ondock_redriver_vswing:3; /* 158+ */
u8 dp_ondock_redriver_present:1; /* 158+ */
u8 reserved1:1;
u8 hdmi_level_shifter_value:5; /* 158+ */
u8 hdmi_max_data_rate:3; /* 204+ */
u16 dtd_buf_ptr; /* 161+ */
u8 edidless_efp:1; /* 161+ */
u8 compression_enable:1; /* 198+ */
u8 compression_method_cps:1; /* 198+ */
u8 ganged_edp:1; /* 202+ */
u8 lttpr_non_transparent:1; /* 235+ */
u8 disable_compression_for_ext_disp:1; /* 251+ */
u8 reserved2:2;
u8 compression_structure_index:4; /* 198+ */
u8 reserved3:4;
u8 hdmi_max_frl_rate:4; /* 237+ */
u8 hdmi_max_frl_rate_valid:1; /* 237+ */
u8 reserved4:3; /* 237+ */
u8 reserved5;
} __packed;
} __packed;
u16 addin_offset;
u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */
u8 i2c_pin;
u8 slave_addr;
u8 ddc_pin;
u16 edid_ptr;
u8 dvo_cfg; /* See DEVICE_CFG_* above */
union {
struct {
u8 dvo2_port;
u8 i2c2_pin;
u8 slave2_addr;
u8 ddc2_pin;
} __packed;
struct {
u8 efp_routed:1; /* 158+ */
u8 lane_reversal:1; /* 184+ */
u8 lspcon:1; /* 192+ */
u8 iboost:1; /* 196+ */
u8 hpd_invert:1; /* 196+ */
u8 use_vbt_vswing:1; /* 218+ */
u8 dp_max_lane_count:2; /* 244+ */
u8 hdmi_support:1; /* 158+ */
u8 dp_support:1; /* 158+ */
u8 tmds_support:1; /* 158+ */
u8 support_reserved:5;
u8 aux_channel;
u8 dongle_detect;
} __packed;
} __packed;
u8 pipe_cap:2;
u8 sdvo_stall:1; /* 158+ */
u8 hpd_status:2;
u8 integrated_encoder:1;
u8 capabilities_reserved:2;
u8 dvo_wiring; /* See DEVICE_WIRE_* above */
union {
u8 dvo2_wiring;
u8 mipi_bridge_type; /* 171+ */
} __packed;
u16 extended_type;
u8 dvo_function;
u8 dp_usb_type_c:1; /* 195+ */
u8 tbt:1; /* 209+ */
u8 flags2_reserved:2; /* 195+ */
u8 dp_port_trace_length:4; /* 209+ */
u8 dp_gpio_index; /* 195+ */
u16 dp_gpio_pin_num; /* 195+ */
u8 dp_iboost_level:4; /* 196+ */
u8 hdmi_iboost_level:4; /* 196+ */
u8 dp_max_link_rate:3; /* 216+ */
u8 dp_max_link_rate_reserved:5; /* 216+ */
} __packed;
struct bdb_general_definitions {
/* DDC GPIO */
u8 crt_ddc_gmbus_pin;
/* DPMS bits */
u8 dpms_non_acpi:1;
u8 skip_boot_crt_detect:1;
u8 dpms_aim:1;
u8 rsvd1:5; /* finish byte */
/* boot device bits */
u8 boot_display[2];
u8 child_dev_size;
/*
* Device info:
* If TV is present, it'll be at devices[0].
* LVDS will be next, either devices[0] or [1], if present.
* On some platforms the number of device is 6. But could be as few as
* 4 if both TV and LVDS are missing.
* And the device num is related with the size of general definition
* block. It is obtained by using the following formula:
* number = (block_size - sizeof(bdb_general_definitions))/
* defs->child_dev_size;
*/
u8 devices[];
} __packed;
/*
* Block 9 - SRD Feature Block
*/
struct psr_table {
/* Feature bits */
u8 full_link:1; /* 165+ */
u8 require_aux_to_wakeup:1; /* 165+ */
u8 feature_bits_rsvd:6;
/* Wait times */
u8 idle_frames:4; /* 165+ */
u8 lines_to_wait:3; /* 165+ */
u8 wait_times_rsvd:1;
/* TP wake up time in multiple of 100 */
u16 tp1_wakeup_time; /* 165+ */
u16 tp2_tp3_wakeup_time; /* 165+ */
} __packed;
struct bdb_psr {
struct psr_table psr_table[16];
/* PSR2 TP2/TP3 wakeup time for 16 panels */
u32 psr2_tp2_tp3_wakeup_time; /* 226+ */
} __packed;
/*
* Block 12 - Driver Features Data Block
*/
#define BDB_DRIVER_FEATURE_NO_LVDS 0
#define BDB_DRIVER_FEATURE_INT_LVDS 1
#define BDB_DRIVER_FEATURE_SDVO_LVDS 2
#define BDB_DRIVER_FEATURE_INT_SDVO_LVDS 3
struct bdb_driver_features {
/* Driver bits */
u8 boot_dev_algorithm:1;
u8 allow_display_switch_dvd:1;
u8 allow_display_switch_dos:1;
u8 hotplug_dvo:1;
u8 dual_view_zoom:1;
u8 int15h_hook:1;
u8 sprite_in_clone:1;
u8 primary_lfp_id:1;
u16 boot_mode_x;
u16 boot_mode_y;
u8 boot_mode_bpp;
u8 boot_mode_refresh;
/* Extended Driver Bits 1 */
u16 enable_lfp_primary:1;
u16 selective_mode_pruning:1;
u16 dual_frequency:1;
u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
u16 nt_clone_support:1;
u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
u16 cui_aspect_scaling:1;
u16 preserve_aspect_ratio:1;
u16 sdvo_device_power_down:1;
u16 crt_hotplug:1;
u16 lvds_config:2;
u16 tv_hotplug:1;
u16 hdmi_config:2;
/* Driver Flags 1 */
u8 static_display:1; /* 163+ */
u8 embedded_platform:1; /* 163+ */
u8 display_subsystem_enable:1; /* 163+ */
u8 reserved0:5;
u16 legacy_crt_max_x;
u16 legacy_crt_max_y;
u8 legacy_crt_max_refresh;
/* Extended Driver Bits 2 */
u8 hdmi_termination:1;
u8 cea861d_hdmi_support:1;
u8 self_refresh_enable:1;
u8 reserved1:5;
u8 custom_vbt_version; /* 155+ */
/* Driver Feature Flags */
u16 rmpm_enabled:1; /* 165+ */
u16 s2ddt_enabled:1; /* 165+ */
u16 dpst_enabled:1; /* 165-227 */
u16 bltclt_enabled:1; /* 165+ */
u16 adb_enabled:1; /* 165-227 */
u16 drrs_enabled:1; /* 165-227 */
u16 grs_enabled:1; /* 165+ */
u16 gpmt_enabled:1; /* 165+ */
u16 tbt_enabled:1; /* 165+ */
u16 psr_enabled:1; /* 165-227 */
u16 ips_enabled:1; /* 165+ */
u16 dpfs_enabled:1; /* 165+ */
u16 dmrrs_enabled:1; /* 174-227 */
u16 adt_enabled:1; /* ???-228 */
u16 hpd_wake:1; /* 201-240 */
u16 pc_feature_valid:1;
} __packed;
/*
* Block 22 - SDVO LVDS General Options
*/
struct bdb_sdvo_lvds_options {
u8 panel_backlight;
u8 h40_set_panel_type;
u8 panel_type;
u8 ssc_clk_freq;
u16 als_low_trip;
u16 als_high_trip;
u8 sclalarcoeff_tab_row_num;
u8 sclalarcoeff_tab_row_size;
u8 coefficient[8];
u8 panel_misc_bits_1;
u8 panel_misc_bits_2;
u8 panel_misc_bits_3;
u8 panel_misc_bits_4;
} __packed;
/*
* Block 23 - SDVO LVDS Panel DTDs
*/
struct lvds_dvo_timing {
u16 clock; /**< In 10khz */
u8 hactive_lo;
u8 hblank_lo;
u8 hblank_hi:4;
u8 hactive_hi:4;
u8 vactive_lo;
u8 vblank_lo;
u8 vblank_hi:4;
u8 vactive_hi:4;
u8 hsync_off_lo;
u8 hsync_pulse_width_lo;
u8 vsync_pulse_width_lo:4;
u8 vsync_off_lo:4;
u8 vsync_pulse_width_hi:2;
u8 vsync_off_hi:2;
u8 hsync_pulse_width_hi:2;
u8 hsync_off_hi:2;
u8 himage_lo;
u8 vimage_lo;
u8 vimage_hi:4;
u8 himage_hi:4;
u8 h_border;
u8 v_border;
u8 rsvd1:3;
u8 digital:2;
u8 vsync_positive:1;
u8 hsync_positive:1;
u8 non_interlaced:1;
} __packed;
struct bdb_sdvo_panel_dtds {
struct lvds_dvo_timing dtds[4];
} __packed;
/*
* Block 27 - eDP VBT Block
*/
#define EDP_18BPP 0
#define EDP_24BPP 1
#define EDP_30BPP 2
#define EDP_RATE_1_62 0
#define EDP_RATE_2_7 1
#define EDP_RATE_5_4 2
#define EDP_LANE_1 0
#define EDP_LANE_2 1
#define EDP_LANE_4 3
#define EDP_PREEMPHASIS_NONE 0
#define EDP_PREEMPHASIS_3_5dB 1
#define EDP_PREEMPHASIS_6dB 2
#define EDP_PREEMPHASIS_9_5dB 3
#define EDP_VSWING_0_4V 0
#define EDP_VSWING_0_6V 1
#define EDP_VSWING_0_8V 2
#define EDP_VSWING_1_2V 3
struct edp_fast_link_params {
u8 rate:4; /* ???-223 */
u8 lanes:4;
u8 preemphasis:4;
u8 vswing:4;
} __packed;
struct edp_pwm_delays {
u16 pwm_on_to_backlight_enable;
u16 backlight_disable_to_pwm_off;
} __packed;
struct edp_full_link_params {
u8 preemphasis:4;
u8 vswing:4;
} __packed;
struct edp_apical_params {
u32 panel_oui;
u32 dpcd_base_address;
u32 dpcd_idridix_control_0;
u32 dpcd_option_select;
u32 dpcd_backlight;
u32 ambient_light;
u32 backlight_scale;
} __packed;
struct bdb_edp {
struct edp_power_seq power_seqs[16];
u32 color_depth;
struct edp_fast_link_params fast_link_params[16];
u32 sdrrs_msa_timing_delay;
/* ith bit indicates enabled/disabled for (i+1)th panel */
u16 edp_s3d_feature; /* 162+ */
u16 edp_t3_optimization; /* 165+ */
u64 edp_vswing_preemph; /* 173+ */
u16 fast_link_training; /* 182+ */
u16 dpcd_600h_write_required; /* 185+ */
struct edp_pwm_delays pwm_delays[16]; /* 186+ */
u16 full_link_params_provided; /* 199+ */
struct edp_full_link_params full_link_params[16]; /* 199+ */
u16 apical_enable; /* 203+ */
struct edp_apical_params apical_params[16]; /* 203+ */
u16 edp_fast_link_training_rate[16]; /* 224+ */
u16 edp_max_port_link_rate[16]; /* 244+ */
} __packed;
/*
* Block 40 - LFP Data Block
*/
struct bdb_lvds_options {
u8 panel_type;
u8 panel_type2; /* 212+ */
/* LVDS capabilities, stored in a dword */
u8 pfit_mode:2;
u8 pfit_text_mode_enhanced:1;
u8 pfit_gfx_mode_enhanced:1;
u8 pfit_ratio_auto:1;
u8 pixel_dither:1;
u8 lvds_edid:1; /* ???-240 */
u8 rsvd2:1;
u8 rsvd4;
/* LVDS Panel channel bits stored here */
u32 lvds_panel_channel_bits;
/* LVDS SSC (Spread Spectrum Clock) bits stored here. */
u16 ssc_bits;
u16 ssc_freq;
u16 ssc_ddt;
/* Panel color depth defined here */
u16 panel_color_depth;
/* LVDS panel type bits stored here */
u32 dps_panel_type_bits;
/* LVDS backlight control type bits stored here */
u32 blt_control_type_bits; /* ???-240 */
u16 lcdvcc_s0_enable; /* 200+ */
u32 rotation; /* 228+ */
u32 position; /* 240+ */
} __packed;
/*
* Block 41 - LFP Data Table Pointers
*/
struct lvds_lfp_data_ptr_table {
u16 offset; /* offsets are from start of bdb */
u8 table_size;
} __packed;
/* LFP pointer table contains entries to the struct below */
struct lvds_lfp_data_ptr {
struct lvds_lfp_data_ptr_table fp_timing;
struct lvds_lfp_data_ptr_table dvo_timing;
struct lvds_lfp_data_ptr_table panel_pnp_id;
} __packed;
struct bdb_lvds_lfp_data_ptrs {
u8 lvds_entries;
struct lvds_lfp_data_ptr ptr[16];
struct lvds_lfp_data_ptr_table panel_name; /* (156-163?)+ */
} __packed;
/*
* Block 42 - LFP Data Tables
*/
/* LFP data has 3 blocks per entry */
struct lvds_fp_timing {
u16 x_res;
u16 y_res;
u32 lvds_reg;
u32 lvds_reg_val;
u32 pp_on_reg;
u32 pp_on_reg_val;
u32 pp_off_reg;
u32 pp_off_reg_val;
u32 pp_cycle_reg;
u32 pp_cycle_reg_val;
u32 pfit_reg;
u32 pfit_reg_val;
u16 terminator;
} __packed;
struct lvds_pnp_id {
u16 mfg_name;
u16 product_code;
u32 serial;
u8 mfg_week;
u8 mfg_year;
} __packed;
/*
* For reference only. fp_timing has variable size so
* the data must be accessed using the data table pointers.
* Do not use this directly!
*/
struct lvds_lfp_data_entry {
struct lvds_fp_timing fp_timing;
struct lvds_dvo_timing dvo_timing;
struct lvds_pnp_id pnp_id;
} __packed;
struct bdb_lvds_lfp_data {
struct lvds_lfp_data_entry data[16];
} __packed;
struct lvds_lfp_panel_name {
u8 name[13];
} __packed;
struct lvds_lfp_black_border {
u8 top; /* 227+ */
u8 bottom; /* 227+ */
u8 left; /* 238+ */
u8 right; /* 238+ */
} __packed;
struct bdb_lvds_lfp_data_tail {
struct lvds_lfp_panel_name panel_name[16]; /* (156-163?)+ */
u16 scaling_enable; /* 187+ */
u8 seamless_drrs_min_refresh_rate[16]; /* 188+ */
u8 pixel_overlap_count[16]; /* 208+ */
struct lvds_lfp_black_border black_border[16]; /* 227+ */
u16 dual_lfp_port_sync_enable; /* 231+ */
u16 gpu_dithering_for_banding_artifacts; /* 245+ */
} __packed;
/*
* Block 43 - LFP Backlight Control Data Block
*/
#define BDB_BACKLIGHT_TYPE_NONE 0
#define BDB_BACKLIGHT_TYPE_PWM 2
struct lfp_backlight_data_entry {
u8 type:2;
u8 active_low_pwm:1;
u8 obsolete1:5;
u16 pwm_freq_hz;
u8 min_brightness; /* ???-233 */
u8 obsolete2;
u8 obsolete3;
} __packed;
struct lfp_backlight_control_method {
u8 type:4;
u8 controller:4;
} __packed;
struct lfp_brightness_level {
u16 level;
u16 reserved;
} __packed;
#define EXP_BDB_LFP_BL_DATA_SIZE_REV_191 \
offsetof(struct bdb_lfp_backlight_data, brightness_level)
#define EXP_BDB_LFP_BL_DATA_SIZE_REV_234 \
offsetof(struct bdb_lfp_backlight_data, brightness_precision_bits)
struct bdb_lfp_backlight_data {
u8 entry_size;
struct lfp_backlight_data_entry data[16];
u8 level[16]; /* ???-233 */
struct lfp_backlight_control_method backlight_control[16];
struct lfp_brightness_level brightness_level[16]; /* 234+ */
struct lfp_brightness_level brightness_min_level[16]; /* 234+ */
u8 brightness_precision_bits[16]; /* 236+ */
u16 hdr_dpcd_refresh_timeout[16]; /* 239+ */
} __packed;
/*
* Block 44 - LFP Power Conservation Features Block
*/
struct lfp_power_features {
u8 reserved1:1;
u8 power_conservation_pref:3;
u8 reserved2:1;
u8 lace_enabled_status:1; /* 210+ */
u8 lace_support:1; /* 210+ */
u8 als_enable:1;
} __packed;
struct als_data_entry {
u16 backlight_adjust;
u16 lux;
} __packed;
struct aggressiveness_profile_entry {
u8 dpst_aggressiveness : 4;
u8 lace_aggressiveness : 4;
} __packed;
struct aggressiveness_profile2_entry {
u8 opst_aggressiveness : 4;
u8 elp_aggressiveness : 4;
} __packed;
struct bdb_lfp_power {
struct lfp_power_features features; /* ???-227 */
struct als_data_entry als[5];
u8 lace_aggressiveness_profile:3; /* 210-227 */
u8 reserved1:5;
u16 dpst; /* 228+ */
u16 psr; /* 228+ */
u16 drrs; /* 228+ */
u16 lace_support; /* 228+ */
u16 adt; /* 228+ */
u16 dmrrs; /* 228+ */
u16 adb; /* 228+ */
u16 lace_enabled_status; /* 228+ */
struct aggressiveness_profile_entry aggressiveness[16]; /* 228+ */
u16 hobl; /* 232+ */
u16 vrr_feature_enabled; /* 233+ */
u16 elp; /* 247+ */
u16 opst; /* 247+ */
struct aggressiveness_profile2_entry aggressiveness2[16]; /* 247+ */
} __packed;
/*
* Block 52 - MIPI Configuration Block
*/
#define MAX_MIPI_CONFIGURATIONS 6
struct bdb_mipi_config {
struct mipi_config config[MAX_MIPI_CONFIGURATIONS]; /* 175+ */
struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS]; /* 177+ */
struct edp_pwm_delays pwm_delays[MAX_MIPI_CONFIGURATIONS]; /* 186+ */
u8 pmic_i2c_bus_number[MAX_MIPI_CONFIGURATIONS]; /* 190+ */
} __packed;
/*
* Block 53 - MIPI Sequence Block
*/
struct bdb_mipi_sequence {
u8 version;
u8 data[]; /* up to 6 variable length blocks */
} __packed;
/*
* Block 56 - Compression Parameters
*/
#define VBT_RC_BUFFER_BLOCK_SIZE_1KB 0
#define VBT_RC_BUFFER_BLOCK_SIZE_4KB 1
#define VBT_RC_BUFFER_BLOCK_SIZE_16KB 2
#define VBT_RC_BUFFER_BLOCK_SIZE_64KB 3
#define VBT_DSC_LINE_BUFFER_DEPTH(vbt_value) ((vbt_value) + 8) /* bits */
#define VBT_DSC_MAX_BPP(vbt_value) (6 + (vbt_value) * 2)
struct dsc_compression_parameters_entry {
u8 version_major:4;
u8 version_minor:4;
u8 rc_buffer_block_size:2;
u8 reserved1:6;
/*
* Buffer size in bytes:
*
* 4 ^ rc_buffer_block_size * 1024 * (rc_buffer_size + 1) bytes
*/
u8 rc_buffer_size;
u32 slices_per_line;
u8 line_buffer_depth:4;
u8 reserved2:4;
/* Flag Bits 1 */
u8 block_prediction_enable:1;
u8 reserved3:7;
u8 max_bpp; /* mapping */
/* Color depth capabilities */
u8 reserved4:1;
u8 support_8bpc:1;
u8 support_10bpc:1;
u8 support_12bpc:1;
u8 reserved5:4;
u16 slice_height;
} __packed;
struct bdb_compression_parameters {
u16 entry_size;
struct dsc_compression_parameters_entry data[16];
} __packed;
/*
* Block 58 - Generic DTD Block
*/
struct generic_dtd_entry {
u32 pixel_clock;
u16 hactive;
u16 hblank;
u16 hfront_porch;
u16 hsync;
u16 vactive;
u16 vblank;
u16 vfront_porch;
u16 vsync;
u16 width_mm;
u16 height_mm;
/* Flags */
u8 rsvd_flags:6;
u8 vsync_positive_polarity:1;
u8 hsync_positive_polarity:1;
u8 rsvd[3];
} __packed;
struct bdb_generic_dtd {
u16 gdtd_size;
struct generic_dtd_entry dtd[]; /* up to 24 DTD's */
} __packed;
#endif /* _INTEL_VBT_DEFS_H_ */