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 ret = nv_ofuncs(pfb->ram)->fini(nv_object(pfb->ram), suspend); 59 if (ret && suspend) 60 return ret; 61 62 return nvkm_subdev_fini(&pfb->base, suspend); 63 } 64 65 int 66 _nvkm_fb_init(struct nvkm_object *object) 67 { 68 struct nvkm_fb *pfb = (void *)object; 69 int ret, i; 70 71 ret = nvkm_subdev_init(&pfb->base); 72 if (ret) 73 return ret; 74 75 ret = nv_ofuncs(pfb->ram)->init(nv_object(pfb->ram)); 76 if (ret) 77 return ret; 78 79 for (i = 0; i < pfb->tile.regions; i++) 80 pfb->tile.prog(pfb, i, &pfb->tile.region[i]); 81 82 return 0; 83 } 84 85 void 86 _nvkm_fb_dtor(struct nvkm_object *object) 87 { 88 struct nvkm_fb *pfb = (void *)object; 89 int i; 90 91 for (i = 0; i < pfb->tile.regions; i++) 92 pfb->tile.fini(pfb, i, &pfb->tile.region[i]); 93 nvkm_mm_fini(&pfb->tags); 94 nvkm_mm_fini(&pfb->vram); 95 96 nvkm_object_ref(NULL, (struct nvkm_object **)&pfb->ram); 97 nvkm_subdev_destroy(&pfb->base); 98 } 99 100 int 101 nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine, 102 struct nvkm_oclass *oclass, int length, void **pobject) 103 { 104 struct nvkm_fb_impl *impl = (void *)oclass; 105 static const char *name[] = { 106 [NV_MEM_TYPE_UNKNOWN] = "unknown", 107 [NV_MEM_TYPE_STOLEN ] = "stolen system memory", 108 [NV_MEM_TYPE_SGRAM ] = "SGRAM", 109 [NV_MEM_TYPE_SDRAM ] = "SDRAM", 110 [NV_MEM_TYPE_DDR1 ] = "DDR1", 111 [NV_MEM_TYPE_DDR2 ] = "DDR2", 112 [NV_MEM_TYPE_DDR3 ] = "DDR3", 113 [NV_MEM_TYPE_GDDR2 ] = "GDDR2", 114 [NV_MEM_TYPE_GDDR3 ] = "GDDR3", 115 [NV_MEM_TYPE_GDDR4 ] = "GDDR4", 116 [NV_MEM_TYPE_GDDR5 ] = "GDDR5", 117 }; 118 struct nvkm_object *ram; 119 struct nvkm_fb *pfb; 120 int ret; 121 122 ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb", 123 length, pobject); 124 pfb = *pobject; 125 if (ret) 126 return ret; 127 128 pfb->memtype_valid = impl->memtype; 129 130 ret = nvkm_object_ctor(nv_object(pfb), NULL, impl->ram, NULL, 0, &ram); 131 if (ret) { 132 nv_fatal(pfb, "error detecting memory configuration!!\n"); 133 return ret; 134 } 135 136 pfb->ram = (void *)ram; 137 138 if (!nvkm_mm_initialised(&pfb->vram)) { 139 ret = nvkm_mm_init(&pfb->vram, 0, pfb->ram->size >> 12, 1); 140 if (ret) 141 return ret; 142 } 143 144 if (!nvkm_mm_initialised(&pfb->tags)) { 145 ret = nvkm_mm_init(&pfb->tags, 0, pfb->ram->tags ? 146 ++pfb->ram->tags : 0, 1); 147 if (ret) 148 return ret; 149 } 150 151 nv_info(pfb, "RAM type: %s\n", name[pfb->ram->type]); 152 nv_info(pfb, "RAM size: %d MiB\n", (int)(pfb->ram->size >> 20)); 153 nv_info(pfb, " ZCOMP: %d tags\n", pfb->ram->tags); 154 return 0; 155 } 156