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linux_dsm_epyc7002/drivers/gpu/drm/i915/intel_bios.h
Bryan Freed 6d139a87b7 drm/i915: Initialize panel timing registers if VBIOS did not 
The time between start of the pixel clock and backlight enable is a basic
panel timing constraint.  If the Panel Power On/Off registers are found
to be 0, assume we are booting without VBIOS initialization and set these
registers to something reasonable.

Change-Id: Ibed6cc10d46bf52fd92e0beb25ae3525b5eef99d
Signed-off-by: Bryan Freed <bfreed@chromium.org>
[ickle: rearranged into a separate function to distinguish its role from
simply parsing the VBIOS tables.]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
2010-10-19 09:17:24 +01:00

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/*
* Copyright © 2006 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>
*
*/
#ifndef _I830_BIOS_H_
#define _I830_BIOS_H_
#include "drmP.h"
struct vbt_header {
u8 signature[20]; /**< Always starts with 'VBT$' */
u16 version; /**< decimal */
u16 header_size; /**< in bytes */
u16 vbt_size; /**< in bytes */
u8 vbt_checksum;
u8 reserved0;
u32 bdb_offset; /**< from beginning of VBT */
u32 aim_offset[4]; /**< from beginning of VBT */
} __attribute__((packed));
struct bdb_header {
u8 signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
u16 version; /**< decimal */
u16 header_size; /**< in bytes */
u16 bdb_size; /**< in bytes */
};
/* 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 */
} __attribute__((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_DOT_CLOCK_TABLE 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_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 rsvd8:3; /* finish byte */
/* bits 3 */
u8 disable_smooth_vision:1;
u8 single_dvi:1;
u8 rsvd9:6; /* finish byte */
/* bits 4 */
u8 legacy_monitor_detect;
/* bits 5 */
u8 int_crt_support:1;
u8 int_tv_support:1;
u8 rsvd11:6; /* finish byte */
} __attribute__((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
struct child_device_config {
u16 handle;
u16 device_type;
u8 i2c_speed;
u8 rsvd[9];
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;
} __attribute__((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))/
* sizeof(child_device_config);
*/
struct child_device_config devices[0];
} __attribute__((packed));
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;
} __attribute__((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;
} __attribute__((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];
} __attribute__((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;
} __attribute__((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;
} __attribute__((packed));
struct lvds_pnp_id {
u16 mfg_name;
u16 product_code;
u32 serial;
u8 mfg_week;
u8 mfg_year;
} __attribute__((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;
} __attribute__((packed));
struct bdb_lvds_lfp_data {
struct bdb_lvds_lfp_data_entry data[16];
} __attribute__((packed));
struct aimdb_header {
char signature[16];
char oem_device[20];
u16 aimdb_version;
u16 aimdb_header_size;
u16 aimdb_size;
} __attribute__((packed));
struct aimdb_block {
u8 aimdb_id;
u16 aimdb_size;
} __attribute__((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;
} __attribute__((packed));
struct vch_bdb_22 {
struct aimdb_block aimdb_block;
struct vch_panel_data panels[16];
} __attribute__((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;
} __attribute__((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;
} __attribute__((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_power_seq {
u16 t3;
u16 t7;
u16 t9;
u16 t10;
u16 t12;
} __attribute__ ((packed));
struct edp_link_params {
u8 rate:4;
u8 lanes:4;
u8 preemphasis:4;
u8 vswing:4;
} __attribute__ ((packed));
struct bdb_edp {
struct edp_power_seq power_seqs[16];
u32 color_depth;
u32 sdrrs_msa_timing_delay;
struct edp_link_params link_params[16];
} __attribute__ ((packed));
void intel_setup_bios(struct drm_device *dev);
bool intel_parse_bios(struct drm_device *dev);
/*
* 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 the DVO port for HDMI output type */
#define DVO_B 1
#define DVO_C 2
#define DVO_D 3
/* define the PORT for DP output type */
#define PORT_IDPB 7
#define PORT_IDPC 8
#define PORT_IDPD 9
#endif /* _I830_BIOS_H_ */
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