111 lines
3.4 KiB
C
111 lines
3.4 KiB
C
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/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#ifndef __INTEL_PCI_CONFIG_H__
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#define __INTEL_PCI_CONFIG_H__
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/* PCI BARs */
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#define GEN2_GMADR_BAR 0
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#define GEN2_MMADR_BAR 1 /* MMIO+GTT, despite the name */
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#define GEN2_IO_BAR 2 /* 85x/865 */
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#define GEN3_MMADR_BAR 0 /* MMIO only */
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#define GEN3_IO_BAR 1
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#define GEN3_GMADR_BAR 2
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#define GEN3_GTTADR_BAR 3 /* GTT only */
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#define GEN4_GTTMMADR_BAR 0 /* MMIO+GTT */
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#define GEN4_GMADR_BAR 2
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#define GEN4_IO_BAR 4
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#define GEN12_LMEM_BAR 2
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static inline int intel_mmio_bar(int graphics_ver)
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{
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switch (graphics_ver) {
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case 2: return GEN2_MMADR_BAR;
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case 3: return GEN3_MMADR_BAR;
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default: return GEN4_GTTMMADR_BAR;
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}
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}
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/* BSM in include/drm/i915_drm.h */
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#define MCHBAR_I915 0x44
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#define MCHBAR_I965 0x48
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#define MCHBAR_SIZE (4 * 4096)
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#define DEVEN 0x54
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#define DEVEN_MCHBAR_EN (1 << 28)
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#define HPLLCC 0xc0 /* 85x only */
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#define GC_CLOCK_CONTROL_MASK (0x7 << 0)
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#define GC_CLOCK_133_200 (0 << 0)
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#define GC_CLOCK_100_200 (1 << 0)
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#define GC_CLOCK_100_133 (2 << 0)
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#define GC_CLOCK_133_266 (3 << 0)
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#define GC_CLOCK_133_200_2 (4 << 0)
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#define GC_CLOCK_133_266_2 (5 << 0)
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#define GC_CLOCK_166_266 (6 << 0)
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#define GC_CLOCK_166_250 (7 << 0)
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#define I915_GDRST 0xc0
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#define GRDOM_FULL (0 << 2)
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#define GRDOM_RENDER (1 << 2)
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#define GRDOM_MEDIA (3 << 2)
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#define GRDOM_MASK (3 << 2)
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#define GRDOM_RESET_STATUS (1 << 1)
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#define GRDOM_RESET_ENABLE (1 << 0)
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/* BSpec only has register offset, PCI device and bit found empirically */
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#define I830_CLOCK_GATE 0xc8 /* device 0 */
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#define I830_L2_CACHE_CLOCK_GATE_DISABLE (1 << 2)
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#define GCDGMBUS 0xcc
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#define GCFGC2 0xda
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#define GCFGC 0xf0 /* 915+ only */
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#define GC_LOW_FREQUENCY_ENABLE (1 << 7)
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#define GC_DISPLAY_CLOCK_190_200_MHZ (0 << 4)
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#define GC_DISPLAY_CLOCK_333_320_MHZ (4 << 4)
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#define GC_DISPLAY_CLOCK_267_MHZ_PNV (0 << 4)
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#define GC_DISPLAY_CLOCK_333_MHZ_PNV (1 << 4)
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#define GC_DISPLAY_CLOCK_444_MHZ_PNV (2 << 4)
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#define GC_DISPLAY_CLOCK_200_MHZ_PNV (5 << 4)
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#define GC_DISPLAY_CLOCK_133_MHZ_PNV (6 << 4)
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#define GC_DISPLAY_CLOCK_167_MHZ_PNV (7 << 4)
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#define GC_DISPLAY_CLOCK_MASK (7 << 4)
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#define GM45_GC_RENDER_CLOCK_MASK (0xf << 0)
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#define GM45_GC_RENDER_CLOCK_266_MHZ (8 << 0)
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#define GM45_GC_RENDER_CLOCK_320_MHZ (9 << 0)
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#define GM45_GC_RENDER_CLOCK_400_MHZ (0xb << 0)
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#define GM45_GC_RENDER_CLOCK_533_MHZ (0xc << 0)
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#define I965_GC_RENDER_CLOCK_MASK (0xf << 0)
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#define I965_GC_RENDER_CLOCK_267_MHZ (2 << 0)
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#define I965_GC_RENDER_CLOCK_333_MHZ (3 << 0)
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#define I965_GC_RENDER_CLOCK_444_MHZ (4 << 0)
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#define I965_GC_RENDER_CLOCK_533_MHZ (5 << 0)
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#define I945_GC_RENDER_CLOCK_MASK (7 << 0)
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#define I945_GC_RENDER_CLOCK_166_MHZ (0 << 0)
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#define I945_GC_RENDER_CLOCK_200_MHZ (1 << 0)
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#define I945_GC_RENDER_CLOCK_250_MHZ (3 << 0)
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#define I945_GC_RENDER_CLOCK_400_MHZ (5 << 0)
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#define I915_GC_RENDER_CLOCK_MASK (7 << 0)
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#define I915_GC_RENDER_CLOCK_166_MHZ (0 << 0)
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#define I915_GC_RENDER_CLOCK_200_MHZ (1 << 0)
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#define I915_GC_RENDER_CLOCK_333_MHZ (4 << 0)
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#define ASLE 0xe4
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#define ASLS 0xfc
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#define SWSCI 0xe8
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#define SWSCI_SCISEL (1 << 15)
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#define SWSCI_GSSCIE (1 << 0)
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/* legacy/combination backlight modes, also called LBB */
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#define LBPC 0xf4
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#endif /* __INTEL_PCI_CONFIG_H__ */
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