/* 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__ */