[Intel-gfx] [PATCH RESEND 7/7] drm/i915: hide away VBT private data in a separate header

Daniel Vetter daniel at ffwll.ch
Wed Mar 16 15:51:59 UTC 2016


On Wed, Mar 16, 2016 at 12:43:35PM +0200, Jani Nikula wrote:
> We've been accumulating code across the driver that depends on the VBT
> specific structures and defines. The VBT is an uncontrollable
> beast. Encourage encapsulation of the VBT data by hiding the structures
> and defines in a private header only to be included from intel_bios.c.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Not going to check in detail whether you copypasted the structs correctly
(I think I've done that once before already, where was my r-b lost!). With
that caveat:

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  Documentation/DocBook/gpu.tmpl        |   2 +-
>  drivers/gpu/drm/i915/intel_bios.c     |   4 +-
>  drivers/gpu/drm/i915/intel_bios.h     | 861 ++--------------------------------
>  drivers/gpu/drm/i915/intel_vbt_defs.h | 826 ++++++++++++++++++++++++++++++++
>  4 files changed, 865 insertions(+), 828 deletions(-)
>  create mode 100644 drivers/gpu/drm/i915/intel_vbt_defs.h
> 
> diff --git a/Documentation/DocBook/gpu.tmpl b/Documentation/DocBook/gpu.tmpl
> index 1692c4dd5487..ab7ffebf4b95 100644
> --- a/Documentation/DocBook/gpu.tmpl
> +++ b/Documentation/DocBook/gpu.tmpl
> @@ -3334,7 +3334,7 @@ int num_ioctls;</synopsis>
>  	<title>Video BIOS Table (VBT)</title>
>  !Pdrivers/gpu/drm/i915/intel_bios.c Video BIOS Table (VBT)
>  !Idrivers/gpu/drm/i915/intel_bios.c
> -!Idrivers/gpu/drm/i915/intel_bios.h
> +!Idrivers/gpu/drm/i915/intel_vbt_defs.h
>        </sect2>
>      </sect1>
>  
> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
> index aa90dc662e7f..083003b015f5 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -29,7 +29,9 @@
>  #include <drm/drmP.h>
>  #include <drm/i915_drm.h>
>  #include "i915_drv.h"
> -#include "intel_bios.h"
> +
> +#define _INTEL_BIOS_PRIVATE
> +#include "intel_vbt_defs.h"
>  
>  /**
>   * DOC: Video BIOS Table (VBT)
> diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
> index 350d4e0f75a4..ab0ea315eddb 100644
> --- a/drivers/gpu/drm/i915/intel_bios.h
> +++ b/drivers/gpu/drm/i915/intel_bios.h
> @@ -1,5 +1,5 @@
>  /*
> - * Copyright © 2006 Intel Corporation
> + * Copyright © 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"),
> @@ -19,543 +19,16 @@
>   * 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 at anholt.net>
> - *
> - */
> -
> -#ifndef _INTEL_BIOS_H_
> -#define _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;
> -
> -/* strictly speaking, this is a "skip" block, but it has interesting info */
> -struct vbios_data {
> -	u8 type; /* 0 == desktop, 1 == mobile */
> -	u8 relstage;
> -	u8 chipset;
> -	u8 lvds_present:1;
> -	u8 tv_present:1;
> -	u8 rsvd2:6; /* finish byte */
> -	u8 rsvd3[4];
> -	u8 signon[155];
> -	u8 copyright[61];
> -	u16 code_segment;
> -	u8 dos_boot_mode;
> -	u8 bandwidth_percent;
> -	u8 rsvd4; /* popup memory size */
> -	u8 resize_pci_bios;
> -	u8 rsvd5; /* is crt already on ddc2 */
> -} __packed;
> -
> -/*
> - * 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.
>   */
> -#define BDB_GENERAL_FEATURES	  1
> -#define BDB_GENERAL_DEFINITIONS	  2
> -#define BDB_OLD_TOGGLE_LIST	  3
> -#define BDB_MODE_SUPPORT_LIST	  4
> -#define BDB_GENERIC_MODE_TABLE	  5
> -#define BDB_EXT_MMIO_REGS	  6
> -#define BDB_SWF_IO		  7
> -#define BDB_SWF_MMIO		  8
> -#define BDB_PSR			  9
> -#define BDB_MODE_REMOVAL_TABLE	 10
> -#define BDB_CHILD_DEVICE_TABLE	 11
> -#define BDB_DRIVER_FEATURES	 12
> -#define BDB_DRIVER_PERSISTENCE	 13
> -#define BDB_EXT_TABLE_PTRS	 14
> -#define BDB_DOT_CLOCK_OVERRIDE	 15
> -#define BDB_DISPLAY_SELECT	 16
> -/* 17 rsvd */
> -#define BDB_DRIVER_ROTATION	 18
> -#define BDB_DISPLAY_REMOVE	 19
> -#define BDB_OEM_CUSTOM		 20
> -#define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
> -#define BDB_SDVO_LVDS_OPTIONS	 22
> -#define BDB_SDVO_PANEL_DTDS	 23
> -#define BDB_SDVO_LVDS_PNP_IDS	 24
> -#define BDB_SDVO_LVDS_POWER_SEQ	 25
> -#define BDB_TV_OPTIONS		 26
> -#define BDB_EDP			 27
> -#define BDB_LVDS_OPTIONS	 40
> -#define BDB_LVDS_LFP_DATA_PTRS	 41
> -#define BDB_LVDS_LFP_DATA	 42
> -#define BDB_LVDS_BACKLIGHT	 43
> -#define BDB_LVDS_POWER		 44
> -#define BDB_MIPI_CONFIG		 52
> -#define BDB_MIPI_SEQUENCE	 53
> -#define BDB_SKIP		254 /* VBIOS private block, ignore */
> -
> -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 rsvd7:1;
> -	u8 display_clock_mode:1;
> -	u8 rsvd8:1; /* finish byte */
> -
> -        /* bits 3 */
> -	u8 disable_smooth_vision:1;
> -	u8 single_dvi:1;
> -	u8 rsvd9:1;
> -	u8 fdi_rx_polarity_inverted:1;
> -	u8 rsvd10:4; /* finish byte */
> -
> -        /* 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_enb:1;	/* PCH attached eDP supports SSC */
> -	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */
> -	u8 rsvd11:3; /* finish byte */
> -} __packed;
> -
> -/* 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" */
> -
> -/* 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
> -
> -#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
> -
> -#define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
> -#define DEVICE_PORT_DVOB	0x01
> -#define DEVICE_PORT_DVOC	0x02
>  
>  /*
> - * We used to keep this struct but without any version control. We should avoid
> - * using it in the future, but it should be safe to keep using it in the old
> - * code. Do not change; we rely on its size.
> + * Please use intel_vbt_defs.h for VBT private data, to hide and abstract away
> + * the VBT from the rest of the driver. Add the parsed, clean data to struct
> + * intel_vbt_data within struct drm_i915_private.
>   */
> -struct old_child_dev_config {
> -	u16 handle;
> -	u16 device_type;
> -	u8  device_id[10]; /* ascii string */
> -	u16 addin_offset;
> -	u8  dvo_port; /* See Device_PORT_* above */
> -	u8  i2c_pin;
> -	u8  slave_addr;
> -	u8  ddc_pin;
> -	u16 edid_ptr;
> -	u8  dvo_cfg; /* See DEVICE_CFG_* above */
> -	u8  dvo2_port;
> -	u8  i2c2_pin;
> -	u8  slave2_addr;
> -	u8  ddc2_pin;
> -	u8  capabilities;
> -	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
> -	u8  dvo2_wiring;
> -	u16 extended_type;
> -	u8  dvo_function;
> -} __packed;
> -
> -/* This one contains field offsets that are known to be common for all BDB
> - * versions. Notice that the meaning of the contents contents may still change,
> - * but at least the offsets are consistent. */
> -
> -/* Definitions for flags_1 */
> -#define IBOOST_ENABLE (1<<3)
> -
> -struct common_child_dev_config {
> -	u16 handle;
> -	u16 device_type;
> -	u8 not_common1[12];
> -	u8 dvo_port;
> -	u8 not_common2[2];
> -	u8 ddc_pin;
> -	u16 edid_ptr;
> -	u8 obsolete;
> -	u8 flags_1;
> -	u8 not_common3[13];
> -	u8 iboost_level;
> -} __packed;
> -
> -
> -/* This field changes depending on the BDB version, so the most reliable way to
> - * read it is by checking the BDB version and reading the raw pointer. */
> -union child_device_config {
> -	/* This one is safe to be used anywhere, but the code should still check
> -	 * the BDB version. */
> -	u8 raw[33];
> -	/* This one should only be kept for legacy code. */
> -	struct old_child_dev_config old;
> -	/* This one should also be safe to use anywhere, even without version
> -	 * checks. */
> -	struct common_child_dev_config common;
> -} __packed;
> -
> -struct bdb_general_definitions {
> -	/* DDC GPIO */
> -	u8 crt_ddc_gmbus_pin;
> -
> -	/* DPMS bits */
> -	u8 dpms_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;
> -	 */
> -	uint8_t devices[0];
> -} __packed;
> -
> -/* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
> -#define MODE_MASK		0x3
> -
> -struct bdb_lvds_options {
> -	u8 panel_type;
> -	u8 rsvd1;
> -	/* 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;
> -	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;
> -} __packed;
> -
> -/* LFP pointer table contains entries to the struct below */
> -struct bdb_lvds_lfp_data_ptr {
> -	u16 fp_timing_offset; /* offsets are from start of bdb */
> -	u8 fp_table_size;
> -	u16 dvo_timing_offset;
> -	u8 dvo_table_size;
> -	u16 panel_pnp_id_offset;
> -	u8 pnp_table_size;
> -} __packed;
> -
> -struct bdb_lvds_lfp_data_ptrs {
> -	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
> -	struct bdb_lvds_lfp_data_ptr ptr[16];
> -} __packed;
> -
> -/* 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_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;
> -	u8 vsync_pulse_width:4;
> -	u8 vsync_off:4;
> -	u8 rsvd0:6;
> -	u8 hsync_off_hi:2;
> -	u8 h_image;
> -	u8 v_image;
> -	u8 max_hv;
> -	u8 h_border;
> -	u8 v_border;
> -	u8 rsvd1:3;
> -	u8 digital:2;
> -	u8 vsync_positive:1;
> -	u8 hsync_positive:1;
> -	u8 rsvd2:1;
> -} __packed;
> -
> -struct lvds_pnp_id {
> -	u16 mfg_name;
> -	u16 product_code;
> -	u32 serial;
> -	u8 mfg_week;
> -	u8 mfg_year;
> -} __packed;
> -
> -struct bdb_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 bdb_lvds_lfp_data_entry data[16];
> -} __packed;
> -
> -#define BDB_BACKLIGHT_TYPE_NONE	0
> -#define BDB_BACKLIGHT_TYPE_PWM	2
> -
> -struct bdb_lfp_backlight_data_entry {
> -	u8 type:2;
> -	u8 active_low_pwm:1;
> -	u8 obsolete1:5;
> -	u16 pwm_freq_hz;
> -	u8 min_brightness;
> -	u8 obsolete2;
> -	u8 obsolete3;
> -} __packed;
> -
> -struct bdb_lfp_backlight_data {
> -	u8 entry_size;
> -	struct bdb_lfp_backlight_data_entry data[16];
> -	u8 level[16];
> -} __packed;
> -
> -struct aimdb_header {
> -	char signature[16];
> -	char oem_device[20];
> -	u16 aimdb_version;
> -	u16 aimdb_header_size;
> -	u16 aimdb_size;
> -} __packed;
> -
> -struct aimdb_block {
> -	u8 aimdb_id;
> -	u16 aimdb_size;
> -} __packed;
>  
> -struct vch_panel_data {
> -	u16 fp_timing_offset;
> -	u8 fp_timing_size;
> -	u16 dvo_timing_offset;
> -	u8 dvo_timing_size;
> -	u16 text_fitting_offset;
> -	u8 text_fitting_size;
> -	u16 graphics_fitting_offset;
> -	u8 graphics_fitting_size;
> -} __packed;
> -
> -struct vch_bdb_22 {
> -	struct aimdb_block aimdb_block;
> -	struct vch_panel_data panels[16];
> -} __packed;
> -
> -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;
> -
> -
> -#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_EDP			3
> -
> -struct bdb_driver_features {
> -	u8 boot_dev_algorithm:1;
> -	u8 block_display_switch:1;
> -	u8 allow_display_switch: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;
> -
> -	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;
> -
> -	u8 static_display:1;
> -	u8 reserved2:7;
> -	u16 legacy_crt_max_x;
> -	u16 legacy_crt_max_y;
> -	u8 legacy_crt_max_refresh;
> -
> -	u8 hdmi_termination;
> -	u8 custom_vbt_version;
> -	/* Driver features data block */
> -	u16 rmpm_enabled:1;
> -	u16 s2ddt_enabled:1;
> -	u16 dpst_enabled:1;
> -	u16 bltclt_enabled:1;
> -	u16 adb_enabled:1;
> -	u16 drrs_enabled:1;
> -	u16 grs_enabled:1;
> -	u16 gpmt_enabled:1;
> -	u16 tbt_enabled:1;
> -	u16 psr_enabled:1;
> -	u16 ips_enabled:1;
> -	u16 reserved3:4;
> -	u16 pc_feature_valid:1;
> -} __packed;
> -
> -#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_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
> +#ifndef _INTEL_BIOS_H_
> +#define _INTEL_BIOS_H_
>  
>  struct edp_power_seq {
>  	u16 t1_t3;
> @@ -565,245 +38,37 @@ struct edp_power_seq {
>  	u16 t11_t12;
>  } __packed;
>  
> -struct edp_link_params {
> -	u8 rate:4;
> -	u8 lanes:4;
> -	u8 preemphasis:4;
> -	u8 vswing:4;
> -} __packed;
> -
> -struct bdb_edp {
> -	struct edp_power_seq power_seqs[16];
> -	u32 color_depth;
> -	struct edp_link_params link_params[16];
> -	u32 sdrrs_msa_timing_delay;
> -
> -	/* ith bit indicates enabled/disabled for (i+1)th panel */
> -	u16 edp_s3d_feature;
> -	u16 edp_t3_optimization;
> -	u64 edp_vswing_preemph;		/* v173 */
> -} __packed;
> -
> -struct psr_table {
> -	/* Feature bits */
> -	u8 full_link:1;
> -	u8 require_aux_to_wakeup:1;
> -	u8 feature_bits_rsvd:6;
> -
> -	/* Wait times */
> -	u8 idle_frames:4;
> -	u8 lines_to_wait:3;
> -	u8 wait_times_rsvd:1;
> -
> -	/* TP wake up time in multiple of 100 */
> -	u16 tp1_wakeup_time;
> -	u16 tp2_tp3_wakeup_time;
> -} __packed;
> -
> -struct bdb_psr {
> -	struct psr_table psr_table[16];
> -} __packed;
> -
> -/*
> - * Driver<->VBIOS interaction occurs through scratch bits in
> - * GR18 & SWF*.
> - */
> -
> -/* GR18 bits are set on display switch and hotkey events */
> -#define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
> -#define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
> -#define   GR18_HK_NONE		(0x0<<3)
> -#define   GR18_HK_LFP_STRETCH	(0x1<<3)
> -#define   GR18_HK_TOGGLE_DISP	(0x2<<3)
> -#define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
> -#define   GR18_HK_POPUP_DISABLED (0x6<<3)
> -#define   GR18_HK_POPUP_ENABLED	(0x7<<3)
> -#define   GR18_HK_PFIT		(0x8<<3)
> -#define   GR18_HK_APM_CHANGE	(0xa<<3)
> -#define   GR18_HK_MULTIPLE	(0xc<<3)
> -#define GR18_USER_INT_EN	(1<<2)
> -#define GR18_A0000_FLUSH_EN	(1<<1)
> -#define GR18_SMM_EN		(1<<0)
> -
> -/* Set by driver, cleared by VBIOS */
> -#define SWF00_YRES_SHIFT	16
> -#define SWF00_XRES_SHIFT	0
> -#define SWF00_RES_MASK		0xffff
> -
> -/* Set by VBIOS at boot time and driver at runtime */
> -#define SWF01_TV2_FORMAT_SHIFT	8
> -#define SWF01_TV1_FORMAT_SHIFT	0
> -#define SWF01_TV_FORMAT_MASK	0xffff
> -
> -#define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
> -#define SWF10_GTT_OVERRIDE_EN	(1<<28)
> -#define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
> -#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
> -#define   SWF10_OLD_TOGGLE	0x0
> -#define   SWF10_TOGGLE_LIST_1	0x1
> -#define   SWF10_TOGGLE_LIST_2	0x2
> -#define   SWF10_TOGGLE_LIST_3	0x3
> -#define   SWF10_TOGGLE_LIST_4	0x4
> -#define SWF10_PANNING_EN	(1<<23)
> -#define SWF10_DRIVER_LOADED	(1<<22)
> -#define SWF10_EXTENDED_DESKTOP	(1<<21)
> -#define SWF10_EXCLUSIVE_MODE	(1<<20)
> -#define SWF10_OVERLAY_EN	(1<<19)
> -#define SWF10_PLANEB_HOLDOFF	(1<<18)
> -#define SWF10_PLANEA_HOLDOFF	(1<<17)
> -#define SWF10_VGA_HOLDOFF	(1<<16)
> -#define SWF10_ACTIVE_DISP_MASK	0xffff
> -#define   SWF10_PIPEB_LFP2	(1<<15)
> -#define   SWF10_PIPEB_EFP2	(1<<14)
> -#define   SWF10_PIPEB_TV2	(1<<13)
> -#define   SWF10_PIPEB_CRT2	(1<<12)
> -#define   SWF10_PIPEB_LFP	(1<<11)
> -#define   SWF10_PIPEB_EFP	(1<<10)
> -#define   SWF10_PIPEB_TV	(1<<9)
> -#define   SWF10_PIPEB_CRT	(1<<8)
> -#define   SWF10_PIPEA_LFP2	(1<<7)
> -#define   SWF10_PIPEA_EFP2	(1<<6)
> -#define   SWF10_PIPEA_TV2	(1<<5)
> -#define   SWF10_PIPEA_CRT2	(1<<4)
> -#define   SWF10_PIPEA_LFP	(1<<3)
> -#define   SWF10_PIPEA_EFP	(1<<2)
> -#define   SWF10_PIPEA_TV	(1<<1)
> -#define   SWF10_PIPEA_CRT	(1<<0)
> -
> -#define SWF11_MEMORY_SIZE_SHIFT	16
> -#define SWF11_SV_TEST_EN	(1<<15)
> -#define SWF11_IS_AGP		(1<<14)
> -#define SWF11_DISPLAY_HOLDOFF	(1<<13)
> -#define SWF11_DPMS_REDUCED	(1<<12)
> -#define SWF11_IS_VBE_MODE	(1<<11)
> -#define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
> -#define SWF11_DPMS_MASK		0x07
> -#define   SWF11_DPMS_OFF	(1<<2)
> -#define   SWF11_DPMS_SUSPEND	(1<<1)
> -#define   SWF11_DPMS_STANDBY	(1<<0)
> -#define   SWF11_DPMS_ON		0
> -
> -#define SWF14_GFX_PFIT_EN	(1<<31)
> -#define SWF14_TEXT_PFIT_EN	(1<<30)
> -#define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
> -#define SWF14_POPUP_EN		(1<<28)
> -#define SWF14_DISPLAY_HOLDOFF	(1<<27)
> -#define SWF14_DISP_DETECT_EN	(1<<26)
> -#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
> -#define SWF14_DRIVER_STATUS	(1<<24)
> -#define SWF14_OS_TYPE_WIN9X	(1<<23)
> -#define SWF14_OS_TYPE_WINNT	(1<<22)
> -/* 21:19 rsvd */
> -#define SWF14_PM_TYPE_MASK	0x00070000
> -#define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
> -#define   SWF14_PM_ACPI		(0x3 << 16)
> -#define   SWF14_PM_APM_12	(0x2 << 16)
> -#define   SWF14_PM_APM_11	(0x1 << 16)
> -#define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
> -          /* if GR18 indicates a display switch */
> -#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
> -#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
> -#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
> -#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
> -#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
> -#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
> -#define   SWF14_DS_PIPEB_TV_EN   (1<<9)
> -#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
> -#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
> -#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
> -#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
> -#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
> -#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
> -#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
> -#define   SWF14_DS_PIPEA_TV_EN   (1<<1)
> -#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
> -          /* if GR18 indicates a panel fitting request */
> -#define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
> -          /* if GR18 indicates an APM change request */
> -#define   SWF14_APM_HIBERNATE	0x4
> -#define   SWF14_APM_SUSPEND	0x3
> -#define   SWF14_APM_STANDBY	0x1
> -#define   SWF14_APM_RESTORE	0x0
> -
> -/* 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_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_SINGALING	(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)
> -
> -/*
> - * Bits we care about when checking for DEVICE_TYPE_eDP
> - * Depending on the system, the other bits may or may not
> - * be set for eDP outputs.
> - */
> -#define DEVICE_TYPE_eDP_BITS \
> -	(DEVICE_TYPE_INTERNAL_CONNECTOR | \
> -	 DEVICE_TYPE_MIPI_OUTPUT | \
> -	 DEVICE_TYPE_COMPOSITE_OUTPUT | \
> -	 DEVICE_TYPE_DUAL_CHANNEL | \
> -	 DEVICE_TYPE_LVDS_SINGALING | \
> -	 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
> -	 DEVICE_TYPE_VIDEO_SIGNALING | \
> -	 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
> -	 DEVICE_TYPE_ANALOG_OUTPUT)
> -
> -/* define the DVO port for HDMI output type */
> -#define		DVO_B		1
> -#define		DVO_C		2
> -#define		DVO_D		3
> -
> -/* Possible values for the "DVO Port" field for versions >= 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
> -#define DVO_PORT_HDMIE	12
> -#define DVO_PORT_MIPIA	21
> -#define DVO_PORT_MIPIB	22
> -#define DVO_PORT_MIPIC	23
> -#define DVO_PORT_MIPID	24
> +/* MIPI Sequence Block definitions */
> +enum mipi_seq {
> +	MIPI_SEQ_END = 0,
> +	MIPI_SEQ_ASSERT_RESET,
> +	MIPI_SEQ_INIT_OTP,
> +	MIPI_SEQ_DISPLAY_ON,
> +	MIPI_SEQ_DISPLAY_OFF,
> +	MIPI_SEQ_DEASSERT_RESET,
> +	MIPI_SEQ_BACKLIGHT_ON,		/* sequence block v2+ */
> +	MIPI_SEQ_BACKLIGHT_OFF,		/* sequence block v2+ */
> +	MIPI_SEQ_TEAR_ON,		/* sequence block v2+ */
> +	MIPI_SEQ_TEAR_OFF,		/* sequence block v3+ */
> +	MIPI_SEQ_POWER_ON,		/* sequence block v3+ */
> +	MIPI_SEQ_POWER_OFF,		/* sequence block v3+ */
> +	MIPI_SEQ_MAX
> +};
>  
> -/* Block 52 contains MIPI Panel info
> - * 6 such enteries will there. Index into correct
> - * entery is based on the panel_index in #40 LFP
> - */
> -#define MAX_MIPI_CONFIGURATIONS	6
> +enum mipi_seq_element {
> +	MIPI_SEQ_ELEM_END = 0,
> +	MIPI_SEQ_ELEM_SEND_PKT,
> +	MIPI_SEQ_ELEM_DELAY,
> +	MIPI_SEQ_ELEM_GPIO,
> +	MIPI_SEQ_ELEM_I2C,		/* sequence block v2+ */
> +	MIPI_SEQ_ELEM_SPI,		/* sequence block v3+ */
> +	MIPI_SEQ_ELEM_PMIC,		/* sequence block v3+ */
> +	MIPI_SEQ_ELEM_MAX
> +};
>  
>  #define MIPI_DSI_UNDEFINED_PANEL_ID	0
>  #define MIPI_DSI_GENERIC_PANEL_ID	1
>  
> -/*
> - * PMIC vs SoC Backlight support specified in pwm_blc
> - * field in mipi_config block below.
> -*/
> -#define PPS_BLC_PMIC   0
> -#define PPS_BLC_SOC    1
> -
>  struct mipi_config {
>  	u16 panel_id;
>  
> @@ -821,6 +86,8 @@ struct mipi_config {
>  	u32 video_transfer_mode:2;
>  
>  	u32 cabc_supported:1;
> +#define PPS_BLC_PMIC   0
> +#define PPS_BLC_SOC    1
>  	u32 pwm_blc:1;
>  
>  	/* Bit 13:10 */
> @@ -924,12 +191,7 @@ struct mipi_config {
>  
>  } __packed;
>  
> -/* Block 52 contains MIPI configuration block
> - * 6 * bdb_mipi_config, followed by 6 pps data
> - * block below
> - *
> - * all delays has a unit of 100us
> - */
> +/* all delays have a unit of 100us */
>  struct mipi_pps_data {
>  	u16 panel_on_delay;
>  	u16 bl_enable_delay;
> @@ -938,57 +200,4 @@ struct mipi_pps_data {
>  	u16 panel_power_cycle_delay;
>  } __packed;
>  
> -struct bdb_mipi_config {
> -	struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
> -	struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
> -} __packed;
> -
> -/* Block 53 contains MIPI sequences as needed by the panel
> - * for enabling it. This block can be variable in size and
> - * can be maximum of 6 blocks
> - */
> -struct bdb_mipi_sequence {
> -	u8 version;
> -	u8 data[0];
> -} __packed;
> -
> -/* MIPI Sequnece Block definitions */
> -enum mipi_seq {
> -	MIPI_SEQ_END = 0,
> -	MIPI_SEQ_ASSERT_RESET,
> -	MIPI_SEQ_INIT_OTP,
> -	MIPI_SEQ_DISPLAY_ON,
> -	MIPI_SEQ_DISPLAY_OFF,
> -	MIPI_SEQ_DEASSERT_RESET,
> -	MIPI_SEQ_BACKLIGHT_ON,		/* sequence block v2+ */
> -	MIPI_SEQ_BACKLIGHT_OFF,		/* sequence block v2+ */
> -	MIPI_SEQ_TEAR_ON,		/* sequence block v2+ */
> -	MIPI_SEQ_TEAR_OFF,		/* sequence block v3+ */
> -	MIPI_SEQ_POWER_ON,		/* sequence block v3+ */
> -	MIPI_SEQ_POWER_OFF,		/* sequence block v3+ */
> -	MIPI_SEQ_MAX
> -};
> -
> -enum mipi_seq_element {
> -	MIPI_SEQ_ELEM_END = 0,
> -	MIPI_SEQ_ELEM_SEND_PKT,
> -	MIPI_SEQ_ELEM_DELAY,
> -	MIPI_SEQ_ELEM_GPIO,
> -	MIPI_SEQ_ELEM_I2C,		/* sequence block v2+ */
> -	MIPI_SEQ_ELEM_SPI,		/* sequence block v3+ */
> -	MIPI_SEQ_ELEM_PMIC,		/* sequence block v3+ */
> -	MIPI_SEQ_ELEM_MAX
> -};
> -
> -enum mipi_gpio_pin_index {
> -	MIPI_GPIO_UNDEFINED = 0,
> -	MIPI_GPIO_PANEL_ENABLE,
> -	MIPI_GPIO_BL_ENABLE,
> -	MIPI_GPIO_PWM_ENABLE,
> -	MIPI_GPIO_RESET_N,
> -	MIPI_GPIO_PWR_DOWN_R,
> -	MIPI_GPIO_STDBY_RST_N,
> -	MIPI_GPIO_MAX
> -};
> -
>  #endif /* _INTEL_BIOS_H_ */
> diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h
> new file mode 100644
> index 000000000000..749dceab7c02
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/intel_vbt_defs.h
> @@ -0,0 +1,826 @@
> +/*
> + * 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 at 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;
> +
> +/* strictly speaking, this is a "skip" block, but it has interesting info */
> +struct vbios_data {
> +	u8 type; /* 0 == desktop, 1 == mobile */
> +	u8 relstage;
> +	u8 chipset;
> +	u8 lvds_present:1;
> +	u8 tv_present:1;
> +	u8 rsvd2:6; /* finish byte */
> +	u8 rsvd3[4];
> +	u8 signon[155];
> +	u8 copyright[61];
> +	u16 code_segment;
> +	u8 dos_boot_mode;
> +	u8 bandwidth_percent;
> +	u8 rsvd4; /* popup memory size */
> +	u8 resize_pci_bios;
> +	u8 rsvd5; /* is crt already on ddc2 */
> +} __packed;
> +
> +/*
> + * 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.
> + */
> +#define BDB_GENERAL_FEATURES	  1
> +#define BDB_GENERAL_DEFINITIONS	  2
> +#define BDB_OLD_TOGGLE_LIST	  3
> +#define BDB_MODE_SUPPORT_LIST	  4
> +#define BDB_GENERIC_MODE_TABLE	  5
> +#define BDB_EXT_MMIO_REGS	  6
> +#define BDB_SWF_IO		  7
> +#define BDB_SWF_MMIO		  8
> +#define BDB_PSR			  9
> +#define BDB_MODE_REMOVAL_TABLE	 10
> +#define BDB_CHILD_DEVICE_TABLE	 11
> +#define BDB_DRIVER_FEATURES	 12
> +#define BDB_DRIVER_PERSISTENCE	 13
> +#define BDB_EXT_TABLE_PTRS	 14
> +#define BDB_DOT_CLOCK_OVERRIDE	 15
> +#define BDB_DISPLAY_SELECT	 16
> +/* 17 rsvd */
> +#define BDB_DRIVER_ROTATION	 18
> +#define BDB_DISPLAY_REMOVE	 19
> +#define BDB_OEM_CUSTOM		 20
> +#define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
> +#define BDB_SDVO_LVDS_OPTIONS	 22
> +#define BDB_SDVO_PANEL_DTDS	 23
> +#define BDB_SDVO_LVDS_PNP_IDS	 24
> +#define BDB_SDVO_LVDS_POWER_SEQ	 25
> +#define BDB_TV_OPTIONS		 26
> +#define BDB_EDP			 27
> +#define BDB_LVDS_OPTIONS	 40
> +#define BDB_LVDS_LFP_DATA_PTRS	 41
> +#define BDB_LVDS_LFP_DATA	 42
> +#define BDB_LVDS_BACKLIGHT	 43
> +#define BDB_LVDS_POWER		 44
> +#define BDB_MIPI_CONFIG		 52
> +#define BDB_MIPI_SEQUENCE	 53
> +#define BDB_SKIP		254 /* VBIOS private block, ignore */
> +
> +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 rsvd7:1;
> +	u8 display_clock_mode:1;
> +	u8 rsvd8:1; /* finish byte */
> +
> +        /* bits 3 */
> +	u8 disable_smooth_vision:1;
> +	u8 single_dvi:1;
> +	u8 rsvd9:1;
> +	u8 fdi_rx_polarity_inverted:1;
> +	u8 rsvd10:4; /* finish byte */
> +
> +        /* 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_enb:1;	/* PCH attached eDP supports SSC */
> +	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */
> +	u8 rsvd11:3; /* finish byte */
> +} __packed;
> +
> +/* 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" */
> +
> +/* 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
> +
> +#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
> +
> +#define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
> +#define DEVICE_PORT_DVOB	0x01
> +#define DEVICE_PORT_DVOC	0x02
> +
> +/*
> + * We used to keep this struct but without any version control. We should avoid
> + * using it in the future, but it should be safe to keep using it in the old
> + * code. Do not change; we rely on its size.
> + */
> +struct old_child_dev_config {
> +	u16 handle;
> +	u16 device_type;
> +	u8  device_id[10]; /* ascii string */
> +	u16 addin_offset;
> +	u8  dvo_port; /* See Device_PORT_* above */
> +	u8  i2c_pin;
> +	u8  slave_addr;
> +	u8  ddc_pin;
> +	u16 edid_ptr;
> +	u8  dvo_cfg; /* See DEVICE_CFG_* above */
> +	u8  dvo2_port;
> +	u8  i2c2_pin;
> +	u8  slave2_addr;
> +	u8  ddc2_pin;
> +	u8  capabilities;
> +	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
> +	u8  dvo2_wiring;
> +	u16 extended_type;
> +	u8  dvo_function;
> +} __packed;
> +
> +/* This one contains field offsets that are known to be common for all BDB
> + * versions. Notice that the meaning of the contents contents may still change,
> + * but at least the offsets are consistent. */
> +
> +/* Definitions for flags_1 */
> +#define IBOOST_ENABLE (1<<3)
> +
> +struct common_child_dev_config {
> +	u16 handle;
> +	u16 device_type;
> +	u8 not_common1[12];
> +	u8 dvo_port;
> +	u8 not_common2[2];
> +	u8 ddc_pin;
> +	u16 edid_ptr;
> +	u8 obsolete;
> +	u8 flags_1;
> +	u8 not_common3[13];
> +	u8 iboost_level;
> +} __packed;
> +
> +
> +/* This field changes depending on the BDB version, so the most reliable way to
> + * read it is by checking the BDB version and reading the raw pointer. */
> +union child_device_config {
> +	/* This one is safe to be used anywhere, but the code should still check
> +	 * the BDB version. */
> +	u8 raw[33];
> +	/* This one should only be kept for legacy code. */
> +	struct old_child_dev_config old;
> +	/* This one should also be safe to use anywhere, even without version
> +	 * checks. */
> +	struct common_child_dev_config common;
> +} __packed;
> +
> +struct bdb_general_definitions {
> +	/* DDC GPIO */
> +	u8 crt_ddc_gmbus_pin;
> +
> +	/* DPMS bits */
> +	u8 dpms_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;
> +	 */
> +	uint8_t devices[0];
> +} __packed;
> +
> +/* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
> +#define MODE_MASK		0x3
> +
> +struct bdb_lvds_options {
> +	u8 panel_type;
> +	u8 rsvd1;
> +	/* 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;
> +	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;
> +} __packed;
> +
> +/* LFP pointer table contains entries to the struct below */
> +struct bdb_lvds_lfp_data_ptr {
> +	u16 fp_timing_offset; /* offsets are from start of bdb */
> +	u8 fp_table_size;
> +	u16 dvo_timing_offset;
> +	u8 dvo_table_size;
> +	u16 panel_pnp_id_offset;
> +	u8 pnp_table_size;
> +} __packed;
> +
> +struct bdb_lvds_lfp_data_ptrs {
> +	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
> +	struct bdb_lvds_lfp_data_ptr ptr[16];
> +} __packed;
> +
> +/* 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_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;
> +	u8 vsync_pulse_width:4;
> +	u8 vsync_off:4;
> +	u8 rsvd0:6;
> +	u8 hsync_off_hi:2;
> +	u8 h_image;
> +	u8 v_image;
> +	u8 max_hv;
> +	u8 h_border;
> +	u8 v_border;
> +	u8 rsvd1:3;
> +	u8 digital:2;
> +	u8 vsync_positive:1;
> +	u8 hsync_positive:1;
> +	u8 rsvd2:1;
> +} __packed;
> +
> +struct lvds_pnp_id {
> +	u16 mfg_name;
> +	u16 product_code;
> +	u32 serial;
> +	u8 mfg_week;
> +	u8 mfg_year;
> +} __packed;
> +
> +struct bdb_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 bdb_lvds_lfp_data_entry data[16];
> +} __packed;
> +
> +#define BDB_BACKLIGHT_TYPE_NONE	0
> +#define BDB_BACKLIGHT_TYPE_PWM	2
> +
> +struct bdb_lfp_backlight_data_entry {
> +	u8 type:2;
> +	u8 active_low_pwm:1;
> +	u8 obsolete1:5;
> +	u16 pwm_freq_hz;
> +	u8 min_brightness;
> +	u8 obsolete2;
> +	u8 obsolete3;
> +} __packed;
> +
> +struct bdb_lfp_backlight_data {
> +	u8 entry_size;
> +	struct bdb_lfp_backlight_data_entry data[16];
> +	u8 level[16];
> +} __packed;
> +
> +struct aimdb_header {
> +	char signature[16];
> +	char oem_device[20];
> +	u16 aimdb_version;
> +	u16 aimdb_header_size;
> +	u16 aimdb_size;
> +} __packed;
> +
> +struct aimdb_block {
> +	u8 aimdb_id;
> +	u16 aimdb_size;
> +} __packed;
> +
> +struct vch_panel_data {
> +	u16 fp_timing_offset;
> +	u8 fp_timing_size;
> +	u16 dvo_timing_offset;
> +	u8 dvo_timing_size;
> +	u16 text_fitting_offset;
> +	u8 text_fitting_size;
> +	u16 graphics_fitting_offset;
> +	u8 graphics_fitting_size;
> +} __packed;
> +
> +struct vch_bdb_22 {
> +	struct aimdb_block aimdb_block;
> +	struct vch_panel_data panels[16];
> +} __packed;
> +
> +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;
> +
> +
> +#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_EDP			3
> +
> +struct bdb_driver_features {
> +	u8 boot_dev_algorithm:1;
> +	u8 block_display_switch:1;
> +	u8 allow_display_switch: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;
> +
> +	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;
> +
> +	u8 static_display:1;
> +	u8 reserved2:7;
> +	u16 legacy_crt_max_x;
> +	u16 legacy_crt_max_y;
> +	u8 legacy_crt_max_refresh;
> +
> +	u8 hdmi_termination;
> +	u8 custom_vbt_version;
> +	/* Driver features data block */
> +	u16 rmpm_enabled:1;
> +	u16 s2ddt_enabled:1;
> +	u16 dpst_enabled:1;
> +	u16 bltclt_enabled:1;
> +	u16 adb_enabled:1;
> +	u16 drrs_enabled:1;
> +	u16 grs_enabled:1;
> +	u16 gpmt_enabled:1;
> +	u16 tbt_enabled:1;
> +	u16 psr_enabled:1;
> +	u16 ips_enabled:1;
> +	u16 reserved3:4;
> +	u16 pc_feature_valid:1;
> +} __packed;
> +
> +#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_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_link_params {
> +	u8 rate:4;
> +	u8 lanes:4;
> +	u8 preemphasis:4;
> +	u8 vswing:4;
> +} __packed;
> +
> +struct bdb_edp {
> +	struct edp_power_seq power_seqs[16];
> +	u32 color_depth;
> +	struct edp_link_params link_params[16];
> +	u32 sdrrs_msa_timing_delay;
> +
> +	/* ith bit indicates enabled/disabled for (i+1)th panel */
> +	u16 edp_s3d_feature;
> +	u16 edp_t3_optimization;
> +	u64 edp_vswing_preemph;		/* v173 */
> +} __packed;
> +
> +struct psr_table {
> +	/* Feature bits */
> +	u8 full_link:1;
> +	u8 require_aux_to_wakeup:1;
> +	u8 feature_bits_rsvd:6;
> +
> +	/* Wait times */
> +	u8 idle_frames:4;
> +	u8 lines_to_wait:3;
> +	u8 wait_times_rsvd:1;
> +
> +	/* TP wake up time in multiple of 100 */
> +	u16 tp1_wakeup_time;
> +	u16 tp2_tp3_wakeup_time;
> +} __packed;
> +
> +struct bdb_psr {
> +	struct psr_table psr_table[16];
> +} __packed;
> +
> +/*
> + * Driver<->VBIOS interaction occurs through scratch bits in
> + * GR18 & SWF*.
> + */
> +
> +/* GR18 bits are set on display switch and hotkey events */
> +#define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
> +#define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
> +#define   GR18_HK_NONE		(0x0<<3)
> +#define   GR18_HK_LFP_STRETCH	(0x1<<3)
> +#define   GR18_HK_TOGGLE_DISP	(0x2<<3)
> +#define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
> +#define   GR18_HK_POPUP_DISABLED (0x6<<3)
> +#define   GR18_HK_POPUP_ENABLED	(0x7<<3)
> +#define   GR18_HK_PFIT		(0x8<<3)
> +#define   GR18_HK_APM_CHANGE	(0xa<<3)
> +#define   GR18_HK_MULTIPLE	(0xc<<3)
> +#define GR18_USER_INT_EN	(1<<2)
> +#define GR18_A0000_FLUSH_EN	(1<<1)
> +#define GR18_SMM_EN		(1<<0)
> +
> +/* Set by driver, cleared by VBIOS */
> +#define SWF00_YRES_SHIFT	16
> +#define SWF00_XRES_SHIFT	0
> +#define SWF00_RES_MASK		0xffff
> +
> +/* Set by VBIOS at boot time and driver at runtime */
> +#define SWF01_TV2_FORMAT_SHIFT	8
> +#define SWF01_TV1_FORMAT_SHIFT	0
> +#define SWF01_TV_FORMAT_MASK	0xffff
> +
> +#define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
> +#define SWF10_GTT_OVERRIDE_EN	(1<<28)
> +#define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
> +#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
> +#define   SWF10_OLD_TOGGLE	0x0
> +#define   SWF10_TOGGLE_LIST_1	0x1
> +#define   SWF10_TOGGLE_LIST_2	0x2
> +#define   SWF10_TOGGLE_LIST_3	0x3
> +#define   SWF10_TOGGLE_LIST_4	0x4
> +#define SWF10_PANNING_EN	(1<<23)
> +#define SWF10_DRIVER_LOADED	(1<<22)
> +#define SWF10_EXTENDED_DESKTOP	(1<<21)
> +#define SWF10_EXCLUSIVE_MODE	(1<<20)
> +#define SWF10_OVERLAY_EN	(1<<19)
> +#define SWF10_PLANEB_HOLDOFF	(1<<18)
> +#define SWF10_PLANEA_HOLDOFF	(1<<17)
> +#define SWF10_VGA_HOLDOFF	(1<<16)
> +#define SWF10_ACTIVE_DISP_MASK	0xffff
> +#define   SWF10_PIPEB_LFP2	(1<<15)
> +#define   SWF10_PIPEB_EFP2	(1<<14)
> +#define   SWF10_PIPEB_TV2	(1<<13)
> +#define   SWF10_PIPEB_CRT2	(1<<12)
> +#define   SWF10_PIPEB_LFP	(1<<11)
> +#define   SWF10_PIPEB_EFP	(1<<10)
> +#define   SWF10_PIPEB_TV	(1<<9)
> +#define   SWF10_PIPEB_CRT	(1<<8)
> +#define   SWF10_PIPEA_LFP2	(1<<7)
> +#define   SWF10_PIPEA_EFP2	(1<<6)
> +#define   SWF10_PIPEA_TV2	(1<<5)
> +#define   SWF10_PIPEA_CRT2	(1<<4)
> +#define   SWF10_PIPEA_LFP	(1<<3)
> +#define   SWF10_PIPEA_EFP	(1<<2)
> +#define   SWF10_PIPEA_TV	(1<<1)
> +#define   SWF10_PIPEA_CRT	(1<<0)
> +
> +#define SWF11_MEMORY_SIZE_SHIFT	16
> +#define SWF11_SV_TEST_EN	(1<<15)
> +#define SWF11_IS_AGP		(1<<14)
> +#define SWF11_DISPLAY_HOLDOFF	(1<<13)
> +#define SWF11_DPMS_REDUCED	(1<<12)
> +#define SWF11_IS_VBE_MODE	(1<<11)
> +#define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
> +#define SWF11_DPMS_MASK		0x07
> +#define   SWF11_DPMS_OFF	(1<<2)
> +#define   SWF11_DPMS_SUSPEND	(1<<1)
> +#define   SWF11_DPMS_STANDBY	(1<<0)
> +#define   SWF11_DPMS_ON		0
> +
> +#define SWF14_GFX_PFIT_EN	(1<<31)
> +#define SWF14_TEXT_PFIT_EN	(1<<30)
> +#define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
> +#define SWF14_POPUP_EN		(1<<28)
> +#define SWF14_DISPLAY_HOLDOFF	(1<<27)
> +#define SWF14_DISP_DETECT_EN	(1<<26)
> +#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
> +#define SWF14_DRIVER_STATUS	(1<<24)
> +#define SWF14_OS_TYPE_WIN9X	(1<<23)
> +#define SWF14_OS_TYPE_WINNT	(1<<22)
> +/* 21:19 rsvd */
> +#define SWF14_PM_TYPE_MASK	0x00070000
> +#define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
> +#define   SWF14_PM_ACPI		(0x3 << 16)
> +#define   SWF14_PM_APM_12	(0x2 << 16)
> +#define   SWF14_PM_APM_11	(0x1 << 16)
> +#define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
> +          /* if GR18 indicates a display switch */
> +#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
> +#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
> +#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
> +#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
> +#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
> +#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
> +#define   SWF14_DS_PIPEB_TV_EN   (1<<9)
> +#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
> +#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
> +#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
> +#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
> +#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
> +#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
> +#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
> +#define   SWF14_DS_PIPEA_TV_EN   (1<<1)
> +#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
> +          /* if GR18 indicates a panel fitting request */
> +#define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
> +          /* if GR18 indicates an APM change request */
> +#define   SWF14_APM_HIBERNATE	0x4
> +#define   SWF14_APM_SUSPEND	0x3
> +#define   SWF14_APM_STANDBY	0x1
> +#define   SWF14_APM_RESTORE	0x0
> +
> +/* 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_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_SINGALING	(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)
> +
> +/*
> + * Bits we care about when checking for DEVICE_TYPE_eDP
> + * Depending on the system, the other bits may or may not
> + * be set for eDP outputs.
> + */
> +#define DEVICE_TYPE_eDP_BITS \
> +	(DEVICE_TYPE_INTERNAL_CONNECTOR | \
> +	 DEVICE_TYPE_MIPI_OUTPUT | \
> +	 DEVICE_TYPE_COMPOSITE_OUTPUT | \
> +	 DEVICE_TYPE_DUAL_CHANNEL | \
> +	 DEVICE_TYPE_LVDS_SINGALING | \
> +	 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
> +	 DEVICE_TYPE_VIDEO_SIGNALING | \
> +	 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
> +	 DEVICE_TYPE_ANALOG_OUTPUT)
> +
> +/* define the DVO port for HDMI output type */
> +#define		DVO_B		1
> +#define		DVO_C		2
> +#define		DVO_D		3
> +
> +/* Possible values for the "DVO Port" field for versions >= 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
> +#define DVO_PORT_HDMIE	12
> +#define DVO_PORT_MIPIA	21
> +#define DVO_PORT_MIPIB	22
> +#define DVO_PORT_MIPIC	23
> +#define DVO_PORT_MIPID	24
> +
> +/* Block 52 contains MIPI configuration block
> + * 6 * bdb_mipi_config, followed by 6 pps data block
> + * block below
> + */
> +#define MAX_MIPI_CONFIGURATIONS	6
> +
> +struct bdb_mipi_config {
> +	struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
> +	struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
> +} __packed;
> +
> +/* Block 53 contains MIPI sequences as needed by the panel
> + * for enabling it. This block can be variable in size and
> + * can be maximum of 6 blocks
> + */
> +struct bdb_mipi_sequence {
> +	u8 version;
> +	u8 data[0];
> +} __packed;
> +
> +enum mipi_gpio_pin_index {
> +	MIPI_GPIO_UNDEFINED = 0,
> +	MIPI_GPIO_PANEL_ENABLE,
> +	MIPI_GPIO_BL_ENABLE,
> +	MIPI_GPIO_PWM_ENABLE,
> +	MIPI_GPIO_RESET_N,
> +	MIPI_GPIO_PWR_DOWN_R,
> +	MIPI_GPIO_STDBY_RST_N,
> +	MIPI_GPIO_MAX
> +};
> +
> +#endif /* _INTEL_VBT_DEFS_H_ */
> -- 
> 2.1.4
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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