coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
gfx.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _BAYTRAIL_GFX_H_
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#define _BAYTRAIL_GFX_H_
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/*
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* PCI config registers.
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*/
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#define GGC 0x50
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# define GGC_VGA_DISABLE (1 << 1)
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# define GGC_GTT_SIZE_MASK (3 << 8)
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# define GGC_GTT_SIZE_0MB (0 << 8)
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# define GGC_GTT_SIZE_1MB (1 << 8)
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# define GGC_GTT_SIZE_2MB (2 << 8)
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# define GGC_GSM_SIZE_MASK (0x1f << 3)
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# define GGC_GSM_SIZE_0MB (0 << 3)
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# define GGC_GSM_SIZE_32MB (1 << 3)
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# define GGC_GSM_SIZE_64MB (2 << 3)
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# define GGC_GSM_SIZE_96MB (3 << 3)
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# define GGC_GSM_SIZE_128MB (4 << 3)
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# define GGC_GSM_SIZE_160MB (5 << 3)
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# define GGC_GSM_SIZE_192MB (6 << 3)
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# define GGC_GSM_SIZE_224MB (7 << 3)
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# define GGC_GSM_SIZE_256MB (8 << 3)
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# define GGC_GSM_SIZE_288MB (9 << 3)
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# define GGC_GSM_SIZE_320MB (10 << 3)
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# define GGC_GSM_SIZE_352MB (11 << 3)
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# define GGC_GSM_SIZE_384MB (12 << 3)
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# define GGC_GSM_SIZE_416MB (13 << 3)
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# define GGC_GSM_SIZE_448MB (14 << 3)
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# define GGC_GSM_SIZE_480MB (15 << 3)
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# define GGC_GSM_SIZE_512MB (16 << 3)
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#define GSM_BASE 0x5c
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#define GTT_BASE 0x70
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#define MSAC 0x62
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#define APERTURE_SIZE_MASK (3 << 1)
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#define APERTURE_SIZE_128MB (0 << 1)
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#define APERTURE_SIZE_256MB (1 << 1)
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#define APERTURE_SIZE_512MB (3 << 1)
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#define VLV_DISPLAY_BASE 0x180000
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#define PIPEA_REG(reg) (VLV_DISPLAY_BASE + (reg))
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#define PIPEB_REG(reg) (VLV_DISPLAY_BASE + 0x100 + (reg))
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/* Panel control registers */
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#define HOTPLUG_CTRL 0x61110
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#define PP_CONTROL 0x61204
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#define PP_CONTROL_UNLOCK 0xabcd0000
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#define PP_CONTROL_EDP_FORCE_VDD (1 << 3)
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#define PP_ON_DELAYS 0x61208
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#define PP_OFF_DELAYS 0x6120c
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#define PP_DIVISOR 0x61210
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#define BACKLIGHT_CTL2 0x61250
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#define BACKLIGHT_ENABLE (1 << 31)
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#define BACKLIGHT_CTL 0x61254
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#endif
/* _BAYTRAIL_GFX_H_ */
src
soc
intel
baytrail
include
soc
gfx.h
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