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 const u8 ramcfg = (nv_rd32(bios, 0x101000) & 0x0000003c) >> 2; 33 struct nvbios_M0203E M0203E; 34 u8 ver, hdr; 35 36 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { 37 switch (M0203E.type) { 38 case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2; 39 case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3; 40 case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3; 41 case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5; 42 default: 43 nv_warn(bios, "M0203E type %02x\n", M0203E.type); 44 return NV_MEM_TYPE_UNKNOWN; 45 } 46 } 47 48 nv_warn(bios, "M0203E not matched!\n"); 49 return NV_MEM_TYPE_UNKNOWN; 50 } 51 52 int 53 _nvkm_fb_fini(struct nvkm_object *object, bool suspend) 54 { 55 struct nvkm_fb *pfb = (void *)object; 56 int ret; 57 58 if (pfb->ram) { 59 ret = nv_ofuncs(pfb->ram)->fini(nv_object(pfb->ram), suspend); 60 if (ret && suspend) 61 return ret; 62 } 63 64 return nvkm_subdev_fini(&pfb->base, suspend); 65 } 66 67 int 68 _nvkm_fb_init(struct nvkm_object *object) 69 { 70 struct nvkm_fb *pfb = (void *)object; 71 int ret, i; 72 73 ret = nvkm_subdev_init(&pfb->base); 74 if (ret) 75 return ret; 76 77 if (pfb->ram) { 78 ret = nv_ofuncs(pfb->ram)->init(nv_object(pfb->ram)); 79 if (ret) 80 return ret; 81 } 82 83 for (i = 0; i < pfb->tile.regions; i++) 84 pfb->tile.prog(pfb, i, &pfb->tile.region[i]); 85 86 return 0; 87 } 88 89 void 90 _nvkm_fb_dtor(struct nvkm_object *object) 91 { 92 struct nvkm_fb *pfb = (void *)object; 93 int i; 94 95 for (i = 0; i < pfb->tile.regions; i++) 96 pfb->tile.fini(pfb, i, &pfb->tile.region[i]); 97 nvkm_mm_fini(&pfb->tags); 98 99 if (pfb->ram) { 100 nvkm_mm_fini(&pfb->vram); 101 nvkm_object_ref(NULL, (struct nvkm_object **)&pfb->ram); 102 } 103 104 nvkm_subdev_destroy(&pfb->base); 105 } 106 107 int 108 nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine, 109 struct nvkm_oclass *oclass, int length, void **pobject) 110 { 111 struct nvkm_fb_impl *impl = (void *)oclass; 112 static const char *name[] = { 113 [NV_MEM_TYPE_UNKNOWN] = "unknown", 114 [NV_MEM_TYPE_STOLEN ] = "stolen system memory", 115 [NV_MEM_TYPE_SGRAM ] = "SGRAM", 116 [NV_MEM_TYPE_SDRAM ] = "SDRAM", 117 [NV_MEM_TYPE_DDR1 ] = "DDR1", 118 [NV_MEM_TYPE_DDR2 ] = "DDR2", 119 [NV_MEM_TYPE_DDR3 ] = "DDR3", 120 [NV_MEM_TYPE_GDDR2 ] = "GDDR2", 121 [NV_MEM_TYPE_GDDR3 ] = "GDDR3", 122 [NV_MEM_TYPE_GDDR4 ] = "GDDR4", 123 [NV_MEM_TYPE_GDDR5 ] = "GDDR5", 124 }; 125 struct nvkm_object *ram; 126 struct nvkm_fb *pfb; 127 int ret; 128 129 ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb", 130 length, pobject); 131 pfb = *pobject; 132 if (ret) 133 return ret; 134 135 pfb->memtype_valid = impl->memtype; 136 137 if (!impl->ram) 138 return 0; 139 140 ret = nvkm_object_ctor(nv_object(pfb), NULL, impl->ram, NULL, 0, &ram); 141 if (ret) { 142 nv_fatal(pfb, "error detecting memory configuration!!\n"); 143 return ret; 144 } 145 146 pfb->ram = (void *)ram; 147 148 if (!nvkm_mm_initialised(&pfb->vram)) { 149 ret = nvkm_mm_init(&pfb->vram, 0, pfb->ram->size >> 12, 1); 150 if (ret) 151 return ret; 152 } 153 154 if (!nvkm_mm_initialised(&pfb->tags)) { 155 ret = nvkm_mm_init(&pfb->tags, 0, pfb->ram->tags ? 156 ++pfb->ram->tags : 0, 1); 157 if (ret) 158 return ret; 159 } 160 161 nv_info(pfb, "RAM type: %s\n", name[pfb->ram->type]); 162 nv_info(pfb, "RAM size: %d MiB\n", (int)(pfb->ram->size >> 20)); 163 nv_info(pfb, " ZCOMP: %d tags\n", pfb->ram->tags); 164 return 0; 165 } 166