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 default: 76 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type); 77 return NVKM_RAM_TYPE_UNKNOWN; 78 } 79 } 80 81 nvkm_warn(subdev, "M0203E not matched!\n"); 82 return NVKM_RAM_TYPE_UNKNOWN; 83 } 84 85 static void 86 nvkm_fb_intr(struct nvkm_subdev *subdev) 87 { 88 struct nvkm_fb *fb = nvkm_fb(subdev); 89 if (fb->func->intr) 90 fb->func->intr(fb); 91 } 92 93 static int 94 nvkm_fb_oneinit(struct nvkm_subdev *subdev) 95 { 96 struct nvkm_fb *fb = nvkm_fb(subdev); 97 u32 tags = 0; 98 99 if (fb->func->ram_new) { 100 int ret = fb->func->ram_new(fb, &fb->ram); 101 if (ret) { 102 nvkm_error(subdev, "vram setup failed, %d\n", ret); 103 return ret; 104 } 105 } 106 107 if (fb->func->oneinit) { 108 int ret = fb->func->oneinit(fb); 109 if (ret) 110 return ret; 111 } 112 113 /* Initialise compression tag allocator. 114 * 115 * LTC oneinit() will override this on Fermi and newer. 116 */ 117 if (fb->func->tags) { 118 tags = fb->func->tags(fb); 119 nvkm_debug(subdev, "%d comptags\n", tags); 120 } 121 122 return nvkm_mm_init(&fb->tags, 0, 0, tags, 1); 123 } 124 125 static int 126 nvkm_fb_init(struct nvkm_subdev *subdev) 127 { 128 struct nvkm_fb *fb = nvkm_fb(subdev); 129 int ret, i; 130 131 if (fb->ram) { 132 ret = nvkm_ram_init(fb->ram); 133 if (ret) 134 return ret; 135 } 136 137 for (i = 0; i < fb->tile.regions; i++) 138 fb->func->tile.prog(fb, i, &fb->tile.region[i]); 139 140 if (fb->func->init) 141 fb->func->init(fb); 142 143 if (fb->func->init_remapper) 144 fb->func->init_remapper(fb); 145 146 if (fb->func->init_page) { 147 ret = fb->func->init_page(fb); 148 if (WARN_ON(ret)) 149 return ret; 150 } 151 152 if (fb->func->init_unkn) 153 fb->func->init_unkn(fb); 154 return 0; 155 } 156 157 static void * 158 nvkm_fb_dtor(struct nvkm_subdev *subdev) 159 { 160 struct nvkm_fb *fb = nvkm_fb(subdev); 161 int i; 162 163 nvkm_memory_unref(&fb->mmu_wr); 164 nvkm_memory_unref(&fb->mmu_rd); 165 166 for (i = 0; i < fb->tile.regions; i++) 167 fb->func->tile.fini(fb, i, &fb->tile.region[i]); 168 169 nvkm_mm_fini(&fb->tags); 170 nvkm_ram_del(&fb->ram); 171 172 if (fb->func->dtor) 173 return fb->func->dtor(fb); 174 return fb; 175 } 176 177 static const struct nvkm_subdev_func 178 nvkm_fb = { 179 .dtor = nvkm_fb_dtor, 180 .oneinit = nvkm_fb_oneinit, 181 .init = nvkm_fb_init, 182 .intr = nvkm_fb_intr, 183 }; 184 185 void 186 nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device, 187 int index, struct nvkm_fb *fb) 188 { 189 nvkm_subdev_ctor(&nvkm_fb, device, index, &fb->subdev); 190 fb->func = func; 191 fb->tile.regions = fb->func->tile.regions; 192 fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", 193 fb->func->default_bigpage); 194 } 195 196 int 197 nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device, 198 int index, struct nvkm_fb **pfb) 199 { 200 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL))) 201 return -ENOMEM; 202 nvkm_fb_ctor(func, device, index, *pfb); 203 return 0; 204 } 205