/* * 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 <linux/types.h>
/* For use by IPS driver */ unsignedlong i915_read_mch_val(void); bool i915_gpu_raise(void); bool i915_gpu_lower(void); bool i915_gpu_busy(void); bool i915_gpu_turbo_disable(void);
/* Exported from arch/x86/kernel/early-quirks.c */ externstruct resource intel_graphics_stolen_res;
/* * 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 arbiter.
*/ #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
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