1 /* 2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 #ifndef _I915_DRM_H_ 27 #define _I915_DRM_H_ 28 29 #include <drm/i915_pciids.h> 30 #include <uapi/drm/i915_drm.h> 31 32 /* For use by IPS driver */ 33 extern unsigned long i915_read_mch_val(void); 34 extern bool i915_gpu_raise(void); 35 extern bool i915_gpu_lower(void); 36 extern bool i915_gpu_busy(void); 37 extern bool i915_gpu_turbo_disable(void); 38 39 /* 40 * The Bridge device's PCI config space has information about the 41 * fb aperture size and the amount of pre-reserved memory. 42 * This is all handled in the intel-gtt.ko module. i915.ko only 43 * cares about the vga bit for the vga rbiter. 44 */ 45 #define INTEL_GMCH_CTRL 0x52 46 #define INTEL_GMCH_VGA_DISABLE (1 << 1) 47 #define SNB_GMCH_CTRL 0x50 48 #define SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */ 49 #define SNB_GMCH_GGMS_MASK 0x3 50 #define SNB_GMCH_GMS_SHIFT 3 /* Graphics Mode Select */ 51 #define SNB_GMCH_GMS_MASK 0x1f 52 53 #define I830_GMCH_CTRL 0x52 54 55 #define I855_GMCH_GMS_MASK 0xF0 56 #define I855_GMCH_GMS_STOLEN_0M 0x0 57 #define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) 58 #define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) 59 #define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) 60 #define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) 61 #define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) 62 #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) 63 #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) 64 #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) 65 #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) 66 #define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) 67 #define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) 68 #define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) 69 #define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) 70 71 #endif /* _I915_DRM_H_ */ 72