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_subdev *subdev = &bios->subdev; 33 struct nvkm_device *device = subdev->device; 34 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; 35 struct nvbios_M0203E M0203E; 36 u8 ver, hdr; 37 38 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { 39 switch (M0203E.type) { 40 case M0203E_TYPE_DDR2 : return NV_MEM_TYPE_DDR2; 41 case M0203E_TYPE_DDR3 : return NV_MEM_TYPE_DDR3; 42 case M0203E_TYPE_GDDR3: return NV_MEM_TYPE_GDDR3; 43 case M0203E_TYPE_GDDR5: return NV_MEM_TYPE_GDDR5; 44 default: 45 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); 46 return NV_MEM_TYPE_UNKNOWN; 47 } 48 } 49 50 nvkm_warn(subdev, "M0203E not matched!\n"); 51 return NV_MEM_TYPE_UNKNOWN; 52 } 53 54 int 55 _nvkm_fb_fini(struct nvkm_object *object, bool suspend) 56 { 57 struct nvkm_fb *fb = (void *)object; 58 int ret; 59 60 if (fb->ram) { 61 ret = nv_ofuncs(fb->ram)->fini(nv_object(fb->ram), suspend); 62 if (ret && suspend) 63 return ret; 64 } 65 66 return nvkm_subdev_fini(&fb->subdev, suspend); 67 } 68 69 int 70 _nvkm_fb_init(struct nvkm_object *object) 71 { 72 struct nvkm_fb *fb = (void *)object; 73 int ret, i; 74 75 ret = nvkm_subdev_init(&fb->subdev); 76 if (ret) 77 return ret; 78 79 if (fb->ram) { 80 ret = nv_ofuncs(fb->ram)->init(nv_object(fb->ram)); 81 if (ret) 82 return ret; 83 } 84 85 for (i = 0; i < fb->tile.regions; i++) 86 fb->tile.prog(fb, i, &fb->tile.region[i]); 87 88 return 0; 89 } 90 91 void 92 _nvkm_fb_dtor(struct nvkm_object *object) 93 { 94 struct nvkm_fb *fb = (void *)object; 95 int i; 96 97 for (i = 0; i < fb->tile.regions; i++) 98 fb->tile.fini(fb, i, &fb->tile.region[i]); 99 nvkm_mm_fini(&fb->tags); 100 101 if (fb->ram) { 102 nvkm_mm_fini(&fb->vram); 103 nvkm_object_ref(NULL, (struct nvkm_object **)&fb->ram); 104 } 105 106 nvkm_subdev_destroy(&fb->subdev); 107 } 108 109 int 110 nvkm_fb_create_(struct nvkm_object *parent, struct nvkm_object *engine, 111 struct nvkm_oclass *oclass, int length, void **pobject) 112 { 113 struct nvkm_fb_impl *impl = (void *)oclass; 114 static const char *name[] = { 115 [NV_MEM_TYPE_UNKNOWN] = "of unknown memory type", 116 [NV_MEM_TYPE_STOLEN ] = "stolen system memory", 117 [NV_MEM_TYPE_SGRAM ] = "SGRAM", 118 [NV_MEM_TYPE_SDRAM ] = "SDRAM", 119 [NV_MEM_TYPE_DDR1 ] = "DDR1", 120 [NV_MEM_TYPE_DDR2 ] = "DDR2", 121 [NV_MEM_TYPE_DDR3 ] = "DDR3", 122 [NV_MEM_TYPE_GDDR2 ] = "GDDR2", 123 [NV_MEM_TYPE_GDDR3 ] = "GDDR3", 124 [NV_MEM_TYPE_GDDR4 ] = "GDDR4", 125 [NV_MEM_TYPE_GDDR5 ] = "GDDR5", 126 }; 127 struct nvkm_object *ram; 128 struct nvkm_fb *fb; 129 int ret; 130 131 ret = nvkm_subdev_create_(parent, engine, oclass, 0, "PFB", "fb", 132 length, pobject); 133 fb = *pobject; 134 if (ret) 135 return ret; 136 137 fb->memtype_valid = impl->memtype; 138 139 if (!impl->ram) 140 return 0; 141 142 ret = nvkm_object_ctor(nv_object(fb), NULL, impl->ram, NULL, 0, &ram); 143 if (ret) { 144 nvkm_error(&fb->subdev, "vram init failed, %d\n", ret); 145 return ret; 146 } 147 148 fb->ram = (void *)ram; 149 150 if (!nvkm_mm_initialised(&fb->vram)) { 151 ret = nvkm_mm_init(&fb->vram, 0, fb->ram->size >> 12, 1); 152 if (ret) 153 return ret; 154 } 155 156 if (!nvkm_mm_initialised(&fb->tags)) { 157 ret = nvkm_mm_init(&fb->tags, 0, fb->ram->tags ? 158 ++fb->ram->tags : 0, 1); 159 if (ret) 160 return ret; 161 162 nvkm_debug(&fb->subdev, "%d compression tags\n", fb->ram->tags); 163 } 164 165 nvkm_info(&fb->subdev, "%d MiB %s\n", (int)(fb->ram->size >> 20), 166 name[fb->ram->type]); 167 return 0; 168 } 169