1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 #include "priv.h" 25 26 #include <subdev/bios.h> 27 #include <subdev/bios/M0203.h> 28 29 int 30 nvkm_fb_bios_memtype(struct nvkm_bios *bios) 31 { 32 struct nvkm_device *device = bios->subdev.device; 33 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; 34 struct nvbios_M0203E M0203E; 35 u8 ver, hdr; 36 37 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { 38 switch (M0203E.type) { 39 case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2; 40 case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3; 41 case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3; 42 case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5; 43 default: 44 nv_warn(bios, "M0203E type %02x\n", M0203E.type); 45 return NV_MEM_TYPE_UNKNOWN; 46 } 47 } 48 49 nv_warn(bios, "M0203E not matched!\n"); 50 return NV_MEM_TYPE_UNKNOWN; 51 } 52 53 int 54 _nvkm_fb_fini(struct nvkm_object *object, bool suspend) 55 { 56 struct nvkm_fb *fb = (void *)object; 57 int ret; 58 59 if (fb->ram) { 60 ret = nv_ofuncs(fb->ram)->fini(nv_object(fb->ram), suspend); 61 if (ret && suspend) 62 return ret; 63 } 64 65 return nvkm_subdev_fini(&fb->subdev, suspend); 66 } 67 68 int 69 _nvkm_fb_init(struct nvkm_object *object) 70 { 71 struct nvkm_fb *fb = (void *)object; 72 int ret, i; 73 74 ret = nvkm_subdev_init(&fb->subdev); 75 if (ret) 76 return ret; 77 78 if (fb->ram) { 79 ret = nv_ofuncs(fb->ram)->init(nv_object(fb->ram)); 80 if (ret) 81 return ret; 82 } 83 84 for (i = 0; i < fb->tile.regions; i++) 85 fb->tile.prog(fb, i, &fb->tile.region[i]); 86 87 return 0; 88 } 89 90 void 91 _nvkm_fb_dtor(struct nvkm_object *object) 92 { 93 struct nvkm_fb *fb = (void *)object; 94 int i; 95 96 for (i = 0; i < fb->tile.regions; i++) 97 fb->tile.fini(fb, i, &fb->tile.region[i]); 98 nvkm_mm_fini(&fb->tags); 99 100 if (fb->ram) { 101 nvkm_mm_fini(&fb->vram); 102 nvkm_object_ref(NULL, (struct nvkm_object **)&fb->ram); 103 } 104 105 nvkm_subdev_destroy(&fb->subdev); 106 } 107 108 int 109 nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine, 110 struct nvkm_oclass *oclass, int length, void **pobject) 111 { 112 struct nvkm_fb_impl *impl = (void *)oclass; 113 static const char *name[] = { 114 [NV_MEM_TYPE_UNKNOWN] = "unknown", 115 [NV_MEM_TYPE_STOLEN ] = "stolen system memory", 116 [NV_MEM_TYPE_SGRAM ] = "SGRAM", 117 [NV_MEM_TYPE_SDRAM ] = "SDRAM", 118 [NV_MEM_TYPE_DDR1 ] = "DDR1", 119 [NV_MEM_TYPE_DDR2 ] = "DDR2", 120 [NV_MEM_TYPE_DDR3 ] = "DDR3", 121 [NV_MEM_TYPE_GDDR2 ] = "GDDR2", 122 [NV_MEM_TYPE_GDDR3 ] = "GDDR3", 123 [NV_MEM_TYPE_GDDR4 ] = "GDDR4", 124 [NV_MEM_TYPE_GDDR5 ] = "GDDR5", 125 }; 126 struct nvkm_object *ram; 127 struct nvkm_fb *fb; 128 int ret; 129 130 ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb", 131 length, pobject); 132 fb = *pobject; 133 if (ret) 134 return ret; 135 136 fb->memtype_valid = impl->memtype; 137 138 if (!impl->ram) 139 return 0; 140 141 ret = nvkm_object_ctor(nv_object(fb), NULL, impl->ram, NULL, 0, &ram); 142 if (ret) { 143 nv_fatal(fb, "error detecting memory configuration!!\n"); 144 return ret; 145 } 146 147 fb->ram = (void *)ram; 148 149 if (!nvkm_mm_initialised(&fb->vram)) { 150 ret = nvkm_mm_init(&fb->vram, 0, fb->ram->size >> 12, 1); 151 if (ret) 152 return ret; 153 } 154 155 if (!nvkm_mm_initialised(&fb->tags)) { 156 ret = nvkm_mm_init(&fb->tags, 0, fb->ram->tags ? 157 ++fb->ram->tags : 0, 1); 158 if (ret) 159 return ret; 160 } 161 162 nv_info(fb, "RAM type: %s\n", name[fb->ram->type]); 163 nv_info(fb, "RAM size: %d MiB\n", (int)(fb->ram->size >> 20)); 164 nv_info(fb, " ZCOMP: %d tags\n", fb->ram->tags); 165 return 0; 166 } 167