1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #include "drmP.h" 29 #include "radeon_reg.h" 30 #include "radeon.h" 31 32 /* rv770,rv730,rv710 depends on : */ 33 void rs600_mc_disable_clients(struct radeon_device *rdev); 34 35 /* This files gather functions specifics to: 36 * rv770,rv730,rv710 37 * 38 * Some of these functions might be used by newer ASICs. 39 */ 40 int rv770_mc_wait_for_idle(struct radeon_device *rdev); 41 void rv770_gpu_init(struct radeon_device *rdev); 42 43 44 /* 45 * MC 46 */ 47 int rv770_mc_init(struct radeon_device *rdev) 48 { 49 uint32_t tmp; 50 51 rv770_gpu_init(rdev); 52 53 /* setup the gart before changing location so we can ask to 54 * discard unmapped mc request 55 */ 56 /* FIXME: disable out of gart access */ 57 tmp = rdev->mc.gtt_location / 4096; 58 tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp); 59 WREG32(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, tmp); 60 tmp = (rdev->mc.gtt_location + rdev->mc.gtt_size) / 4096; 61 tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp); 62 WREG32(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, tmp); 63 64 rs600_mc_disable_clients(rdev); 65 if (rv770_mc_wait_for_idle(rdev)) { 66 printk(KERN_WARNING "Failed to wait MC idle while " 67 "programming pipes. Bad things might happen.\n"); 68 } 69 70 tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1; 71 tmp = REG_SET(R700_MC_FB_TOP, tmp >> 24); 72 tmp |= REG_SET(R700_MC_FB_BASE, rdev->mc.vram_location >> 24); 73 WREG32(R700_MC_VM_FB_LOCATION, tmp); 74 tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; 75 tmp = REG_SET(R700_MC_AGP_TOP, tmp >> 22); 76 WREG32(R700_MC_VM_AGP_TOP, tmp); 77 tmp = REG_SET(R700_MC_AGP_BOT, rdev->mc.gtt_location >> 22); 78 WREG32(R700_MC_VM_AGP_BOT, tmp); 79 return 0; 80 } 81 82 void rv770_mc_fini(struct radeon_device *rdev) 83 { 84 /* FIXME: implement */ 85 } 86 87 88 /* 89 * Global GPU functions 90 */ 91 void rv770_errata(struct radeon_device *rdev) 92 { 93 rdev->pll_errata = 0; 94 } 95 96 int rv770_mc_wait_for_idle(struct radeon_device *rdev) 97 { 98 /* FIXME: implement */ 99 return 0; 100 } 101 102 void rv770_gpu_init(struct radeon_device *rdev) 103 { 104 /* FIXME: implement */ 105 } 106 107 108 /* 109 * VRAM info 110 */ 111 void rv770_vram_get_type(struct radeon_device *rdev) 112 { 113 /* FIXME: implement */ 114 } 115 116 void rv770_vram_info(struct radeon_device *rdev) 117 { 118 rv770_vram_get_type(rdev); 119 120 /* FIXME: implement */ 121 /* Could aper size report 0 ? */ 122 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); 123 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); 124 } 125