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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 

 *

 */

#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_ */