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