1 /* $NetBSD: i915_drm.h,v 1.3 2021/12/18 23:45:46 riastradh Exp $ */ 2 3 /* 4 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sub license, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the 16 * next paragraph) shall be included in all copies or substantial portions 17 * of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 26 * 27 */ 28 #ifndef _I915_DRM_H_ 29 #define _I915_DRM_H_ 30 31 #include <drm/i915_pciids.h> 32 #include <uapi/drm/i915_drm.h> 33 34 /* For use by IPS driver */ 35 unsigned long i915_read_mch_val(void); 36 bool i915_gpu_raise(void); 37 bool i915_gpu_lower(void); 38 bool i915_gpu_busy(void); 39 bool i915_gpu_turbo_disable(void); 40 41 /* Exported from arch/x86/kernel/early-quirks.c */ 42 extern struct resource intel_graphics_stolen_res; 43 44 /* 45 * The Bridge device's PCI config space has information about the 46 * fb aperture size and the amount of pre-reserved memory. 47 * This is all handled in the intel-gtt.ko module. i915.ko only 48 * cares about the vga bit for the vga rbiter. 49 */ 50 #define INTEL_GMCH_CTRL 0x52 51 #define INTEL_GMCH_VGA_DISABLE (1 << 1) 52 #define SNB_GMCH_CTRL 0x50 53 #define SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */ 54 #define SNB_GMCH_GGMS_MASK 0x3 55 #define SNB_GMCH_GMS_SHIFT 3 /* Graphics Mode Select */ 56 #define SNB_GMCH_GMS_MASK 0x1f 57 #define BDW_GMCH_GGMS_SHIFT 6 58 #define BDW_GMCH_GGMS_MASK 0x3 59 #define BDW_GMCH_GMS_SHIFT 8 60 #define BDW_GMCH_GMS_MASK 0xff 61 62 #define I830_GMCH_CTRL 0x52 63 64 #define I830_GMCH_GMS_MASK 0x70 65 #define I830_GMCH_GMS_LOCAL 0x10 66 #define I830_GMCH_GMS_STOLEN_512 0x20 67 #define I830_GMCH_GMS_STOLEN_1024 0x30 68 #define I830_GMCH_GMS_STOLEN_8192 0x40 69 70 #define I855_GMCH_GMS_MASK 0xF0 71 #define I855_GMCH_GMS_STOLEN_0M 0x0 72 #define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) 73 #define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) 74 #define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) 75 #define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) 76 #define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) 77 #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) 78 #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) 79 #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) 80 #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) 81 #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) 82 #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) 83 #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) 84 #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) 85 86 #define I830_DRB3 0x63 87 #define I85X_DRB3 0x43 88 #define I865_TOUD 0xc4 89 90 #define I830_ESMRAMC 0x91 91 #define I845_ESMRAMC 0x9e 92 #define I85X_ESMRAMC 0x61 93 #define TSEG_ENABLE (1 << 0) 94 #define I830_TSEG_SIZE_512K (0 << 1) 95 #define I830_TSEG_SIZE_1M (1 << 1) 96 #define I845_TSEG_SIZE_MASK (3 << 1) 97 #define I845_TSEG_SIZE_512K (2 << 1) 98 #define I845_TSEG_SIZE_1M (3 << 1) 99 100 #define INTEL_BSM 0x5c 101 #define INTEL_GEN11_BSM_DW0 0xc0 102 #define INTEL_GEN11_BSM_DW1 0xc4 103 #define INTEL_BSM_MASK (-(1u << 20)) 104 105 #endif /* _I915_DRM_H_ */ 106