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 #include "ram.h" 26 27 #include <core/memory.h> 28 #include <core/option.h> 29 #include <subdev/bios.h> 30 #include <subdev/bios/M0203.h> 31 #include <engine/gr.h> 32 #include <engine/mpeg.h> 33 34 void 35 nvkm_fb_tile_fini(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) 36 { 37 fb->func->tile.fini(fb, region, tile); 38 } 39 40 void 41 nvkm_fb_tile_init(struct nvkm_fb *fb, int region, u32 addr, u32 size, 42 u32 pitch, u32 flags, struct nvkm_fb_tile *tile) 43 { 44 fb->func->tile.init(fb, region, addr, size, pitch, flags, tile); 45 } 46 47 void 48 nvkm_fb_tile_prog(struct nvkm_fb *fb, int region, struct nvkm_fb_tile *tile) 49 { 50 struct nvkm_device *device = fb->subdev.device; 51 if (fb->func->tile.prog) { 52 fb->func->tile.prog(fb, region, tile); 53 if (device->gr) 54 nvkm_engine_tile(&device->gr->engine, region); 55 if (device->mpeg) 56 nvkm_engine_tile(device->mpeg, region); 57 } 58 } 59 60 int 61 nvkm_fb_bios_memtype(struct nvkm_bios *bios) 62 { 63 struct nvkm_subdev *subdev = &bios->subdev; 64 struct nvkm_device *device = subdev->device; 65 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2; 66 struct nvbios_M0203E M0203E; 67 u8 ver, hdr; 68 69 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) { 70 switch (M0203E.type) { 71 case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2; 72 case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3; 73 case M0203E_TYPE_GDDR3 : return NVKM_RAM_TYPE_GDDR3; 74 case M0203E_TYPE_GDDR5 : return NVKM_RAM_TYPE_GDDR5; 75 case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X; 76 case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6; 77 case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2; 78 default: 79 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); 80 return NVKM_RAM_TYPE_UNKNOWN; 81 } 82 } 83 84 nvkm_warn(subdev, "M0203E not matched!\n"); 85 return NVKM_RAM_TYPE_UNKNOWN; 86 } 87 88 static void 89 nvkm_fb_intr(struct nvkm_subdev *subdev) 90 { 91 struct nvkm_fb *fb = nvkm_fb(subdev); 92 if (fb->func->intr) 93 fb->func->intr(fb); 94 } 95 96 static int 97 nvkm_fb_oneinit(struct nvkm_subdev *subdev) 98 { 99 struct nvkm_fb *fb = nvkm_fb(subdev); 100 u32 tags = 0; 101 102 if (fb->func->ram_new) { 103 int ret = fb->func->ram_new(fb, &fb->ram); 104 if (ret) { 105 nvkm_error(subdev, "vram setup failed, %d\n", ret); 106 return ret; 107 } 108 } 109 110 if (fb->func->oneinit) { 111 int ret = fb->func->oneinit(fb); 112 if (ret) 113 return ret; 114 } 115 116 /* Initialise compression tag allocator. 117 * 118 * LTC oneinit() will override this on Fermi and newer. 119 */ 120 if (fb->func->tags) { 121 tags = fb->func->tags(fb); 122 nvkm_debug(subdev, "%d comptags\n", tags); 123 } 124 125 return nvkm_mm_init(&fb->tags.mm, 0, 0, tags, 1); 126 } 127 128 static int 129 nvkm_fb_init_scrub_vpr(struct nvkm_fb *fb) 130 { 131 struct nvkm_subdev *subdev = &fb->subdev; 132 int ret; 133 134 nvkm_debug(subdev, "VPR locked, running scrubber binary\n"); 135 136 if (!fb->vpr_scrubber.size) { 137 nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n"); 138 return 0; 139 } 140 141 ret = fb->func->vpr.scrub(fb); 142 if (ret) { 143 nvkm_error(subdev, "VPR scrubber binary failed\n"); 144 return ret; 145 } 146 147 if (fb->func->vpr.scrub_required(fb)) { 148 nvkm_error(subdev, "VPR still locked after scrub!\n"); 149 return -EIO; 150 } 151 152 nvkm_debug(subdev, "VPR scrubber binary successful\n"); 153 return 0; 154 } 155 156 static int 157 nvkm_fb_init(struct nvkm_subdev *subdev) 158 { 159 struct nvkm_fb *fb = nvkm_fb(subdev); 160 int ret, i; 161 162 if (fb->ram) { 163 ret = nvkm_ram_init(fb->ram); 164 if (ret) 165 return ret; 166 } 167 168 for (i = 0; i < fb->tile.regions; i++) 169 fb->func->tile.prog(fb, i, &fb->tile.region[i]); 170 171 if (fb->func->init) 172 fb->func->init(fb); 173 174 if (fb->func->init_remapper) 175 fb->func->init_remapper(fb); 176 177 if (fb->func->init_page) { 178 ret = fb->func->init_page(fb); 179 if (WARN_ON(ret)) 180 return ret; 181 } 182 183 if (fb->func->init_unkn) 184 fb->func->init_unkn(fb); 185 186 if (fb->func->vpr.scrub_required && 187 fb->func->vpr.scrub_required(fb)) { 188 ret = nvkm_fb_init_scrub_vpr(fb); 189 if (ret) 190 return ret; 191 } 192 193 return 0; 194 } 195 196 static void * 197 nvkm_fb_dtor(struct nvkm_subdev *subdev) 198 { 199 struct nvkm_fb *fb = nvkm_fb(subdev); 200 int i; 201 202 nvkm_memory_unref(&fb->mmu_wr); 203 nvkm_memory_unref(&fb->mmu_rd); 204 205 for (i = 0; i < fb->tile.regions; i++) 206 fb->func->tile.fini(fb, i, &fb->tile.region[i]); 207 208 nvkm_mm_fini(&fb->tags.mm); 209 mutex_destroy(&fb->tags.mutex); 210 211 nvkm_ram_del(&fb->ram); 212 213 nvkm_blob_dtor(&fb->vpr_scrubber); 214 215 if (fb->func->dtor) 216 return fb->func->dtor(fb); 217 return fb; 218 } 219 220 static const struct nvkm_subdev_func 221 nvkm_fb = { 222 .dtor = nvkm_fb_dtor, 223 .oneinit = nvkm_fb_oneinit, 224 .init = nvkm_fb_init, 225 .intr = nvkm_fb_intr, 226 }; 227 228 void 229 nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device, 230 enum nvkm_subdev_type type, int inst, struct nvkm_fb *fb) 231 { 232 nvkm_subdev_ctor(&nvkm_fb, device, type, inst, &fb->subdev); 233 fb->func = func; 234 fb->tile.regions = fb->func->tile.regions; 235 fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", fb->func->default_bigpage); 236 mutex_init(&fb->tags.mutex); 237 } 238 239 int 240 nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device, 241 enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb) 242 { 243 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL))) 244 return -ENOMEM; 245 nvkm_fb_ctor(func, device, type, inst, *pfb); 246 return 0; 247 } 248