/* $NetBSD: i915_drm.h,v 1.2 2018/08/27 04:58:38 riastradh Exp $ */ /* * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #ifndef _I915_DRM_H_ #define _I915_DRM_H_ #include <drm/i915_pciids.h> #include <uapi/drm/i915_drm.h> /* For use by IPS driver */ extern unsigned long i915_read_mch_val(void); extern bool i915_gpu_raise(void); extern bool i915_gpu_lower(void); extern bool i915_gpu_busy(void); extern bool i915_gpu_turbo_disable(void); /* * The Bridge device's PCI config space has information about the * fb aperture size and the amount of pre-reserved memory. * This is all handled in the intel-gtt.ko module. i915.ko only * cares about the vga bit for the vga rbiter. */ #define INTEL_GMCH_CTRL 0x52 #define INTEL_GMCH_VGA_DISABLE (1 << 1) #define SNB_GMCH_CTRL 0x50 #define SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */ #define SNB_GMCH_GGMS_MASK 0x3 #define SNB_GMCH_GMS_SHIFT 3 /* Graphics Mode Select */ #define SNB_GMCH_GMS_MASK 0x1f #define BDW_GMCH_GGMS_SHIFT 6 #define BDW_GMCH_GGMS_MASK 0x3 #define BDW_GMCH_GMS_SHIFT 8 #define BDW_GMCH_GMS_MASK 0xff #define I830_GMCH_CTRL 0x52 #define I830_GMCH_GMS_MASK 0x70 #define I830_GMCH_GMS_LOCAL 0x10 #define I830_GMCH_GMS_STOLEN_512 0x20 #define I830_GMCH_GMS_STOLEN_1024 0x30 #define I830_GMCH_GMS_STOLEN_8192 0x40 #define I855_GMCH_GMS_MASK 0xF0 #define I855_GMCH_GMS_STOLEN_0M 0x0 #define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) #define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) #define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) #define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) #define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) #define I830_DRB3 0x63 #define I85X_DRB3 0x43 #define I865_TOUD 0xc4 #define I830_ESMRAMC 0x91 #define I845_ESMRAMC 0x9e #define I85X_ESMRAMC 0x61 #define TSEG_ENABLE (1 << 0) #define I830_TSEG_SIZE_512K (0 << 1) #define I830_TSEG_SIZE_1M (1 << 1) #define I845_TSEG_SIZE_MASK (3 << 1) #define I845_TSEG_SIZE_512K (2 << 1) #define I845_TSEG_SIZE_1M (3 << 1) #endif /* _I915_DRM_H_ */ |