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1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */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 34void35nvkm_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 40void41nvkm_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 47void48nvkm_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 60static void61nvkm_fb_sysmem_flush_page_init(struct nvkm_device *device)62{63 struct nvkm_fb *fb = device->fb;64 65 if (fb->func->sysmem.flush_page_init)66 fb->func->sysmem.flush_page_init(fb);67}68 69int70nvkm_fb_bios_memtype(struct nvkm_bios *bios)71{72 struct nvkm_subdev *subdev = &bios->subdev;73 struct nvkm_device *device = subdev->device;74 const u8 ramcfg = (nvkm_rd32(device, 0x101000) & 0x0000003c) >> 2;75 struct nvbios_M0203E M0203E;76 u8 ver, hdr;77 78 if (nvbios_M0203Em(bios, ramcfg, &ver, &hdr, &M0203E)) {79 switch (M0203E.type) {80 case M0203E_TYPE_DDR2 : return NVKM_RAM_TYPE_DDR2;81 case M0203E_TYPE_DDR3 : return NVKM_RAM_TYPE_DDR3;82 case M0203E_TYPE_GDDR3 : return NVKM_RAM_TYPE_GDDR3;83 case M0203E_TYPE_GDDR5 : return NVKM_RAM_TYPE_GDDR5;84 case M0203E_TYPE_GDDR5X: return NVKM_RAM_TYPE_GDDR5X;85 case M0203E_TYPE_GDDR6 : return NVKM_RAM_TYPE_GDDR6;86 case M0203E_TYPE_HBM2 : return NVKM_RAM_TYPE_HBM2;87 default:88 nvkm_warn(subdev, "M0203E type %02x\n", M0203E.type);89 return NVKM_RAM_TYPE_UNKNOWN;90 }91 }92 93 nvkm_warn(subdev, "M0203E not matched!\n");94 return NVKM_RAM_TYPE_UNKNOWN;95}96 97static void98nvkm_fb_intr(struct nvkm_subdev *subdev)99{100 struct nvkm_fb *fb = nvkm_fb(subdev);101 if (fb->func->intr)102 fb->func->intr(fb);103}104 105static int106nvkm_fb_oneinit(struct nvkm_subdev *subdev)107{108 struct nvkm_fb *fb = nvkm_fb(subdev);109 u32 tags = 0;110 111 if (fb->func->ram_new) {112 int ret = fb->func->ram_new(fb, &fb->ram);113 if (ret) {114 nvkm_error(subdev, "vram setup failed, %d\n", ret);115 return ret;116 }117 }118 119 if (fb->func->oneinit) {120 int ret = fb->func->oneinit(fb);121 if (ret)122 return ret;123 }124 125 /* Initialise compression tag allocator.126 *127 * LTC oneinit() will override this on Fermi and newer.128 */129 if (fb->func->tags) {130 tags = fb->func->tags(fb);131 nvkm_debug(subdev, "%d comptags\n", tags);132 }133 134 return nvkm_mm_init(&fb->tags.mm, 0, 0, tags, 1);135}136 137int138nvkm_fb_mem_unlock(struct nvkm_fb *fb)139{140 struct nvkm_subdev *subdev = &fb->subdev;141 int ret;142 143 if (!fb->func->vpr.scrub_required)144 return 0;145 146 ret = nvkm_subdev_oneinit(subdev);147 if (ret)148 return ret;149 150 if (!fb->func->vpr.scrub_required(fb)) {151 nvkm_debug(subdev, "VPR not locked\n");152 return 0;153 }154 155 nvkm_debug(subdev, "VPR locked, running scrubber binary\n");156 157 if (!fb->vpr_scrubber.fw.img) {158 nvkm_warn(subdev, "VPR locked, but no scrubber binary!\n");159 return 0;160 }161 162 ret = fb->func->vpr.scrub(fb);163 if (ret) {164 nvkm_error(subdev, "VPR scrubber binary failed\n");165 return ret;166 }167 168 if (fb->func->vpr.scrub_required(fb)) {169 nvkm_error(subdev, "VPR still locked after scrub!\n");170 return -EIO;171 }172 173 nvkm_debug(subdev, "VPR scrubber binary successful\n");174 return 0;175}176 177u64178nvkm_fb_vidmem_size(struct nvkm_device *device)179{180 struct nvkm_fb *fb = device->fb;181 182 if (fb && fb->func->vidmem.size)183 return fb->func->vidmem.size(fb);184 185 WARN_ON(1);186 return 0;187}188 189static int190nvkm_fb_init(struct nvkm_subdev *subdev)191{192 struct nvkm_fb *fb = nvkm_fb(subdev);193 int ret, i;194 195 if (fb->ram) {196 ret = nvkm_ram_init(fb->ram);197 if (ret)198 return ret;199 }200 201 for (i = 0; i < fb->tile.regions; i++)202 fb->func->tile.prog(fb, i, &fb->tile.region[i]);203 204 nvkm_fb_sysmem_flush_page_init(subdev->device);205 206 if (fb->func->init)207 fb->func->init(fb);208 209 if (fb->func->init_remapper)210 fb->func->init_remapper(fb);211 212 if (fb->func->init_page) {213 ret = fb->func->init_page(fb);214 if (WARN_ON(ret))215 return ret;216 }217 218 if (fb->func->init_unkn)219 fb->func->init_unkn(fb);220 221 return 0;222}223 224static int225nvkm_fb_preinit(struct nvkm_subdev *subdev)226{227 nvkm_fb_sysmem_flush_page_init(subdev->device);228 return 0;229}230 231static void *232nvkm_fb_dtor(struct nvkm_subdev *subdev)233{234 struct nvkm_fb *fb = nvkm_fb(subdev);235 int i;236 237 nvkm_memory_unref(&fb->mmu_wr);238 nvkm_memory_unref(&fb->mmu_rd);239 240 for (i = 0; i < fb->tile.regions; i++)241 fb->func->tile.fini(fb, i, &fb->tile.region[i]);242 243 nvkm_mm_fini(&fb->tags.mm);244 mutex_destroy(&fb->tags.mutex);245 246 nvkm_ram_del(&fb->ram);247 248 nvkm_falcon_fw_dtor(&fb->vpr_scrubber);249 250 if (fb->sysmem.flush_page) {251 dma_unmap_page(subdev->device->dev, fb->sysmem.flush_page_addr,252 PAGE_SIZE, DMA_BIDIRECTIONAL);253 __free_page(fb->sysmem.flush_page);254 }255 256 if (fb->func->dtor)257 return fb->func->dtor(fb);258 259 return fb;260}261 262static const struct nvkm_subdev_func263nvkm_fb = {264 .dtor = nvkm_fb_dtor,265 .preinit = nvkm_fb_preinit,266 .oneinit = nvkm_fb_oneinit,267 .init = nvkm_fb_init,268 .intr = nvkm_fb_intr,269};270 271int272nvkm_fb_ctor(const struct nvkm_fb_func *func, struct nvkm_device *device,273 enum nvkm_subdev_type type, int inst, struct nvkm_fb *fb)274{275 nvkm_subdev_ctor(&nvkm_fb, device, type, inst, &fb->subdev);276 fb->func = func;277 fb->tile.regions = fb->func->tile.regions;278 fb->page = nvkm_longopt(device->cfgopt, "NvFbBigPage", fb->func->default_bigpage);279 mutex_init(&fb->tags.mutex);280 281 if (func->sysmem.flush_page_init) {282 fb->sysmem.flush_page = alloc_page(GFP_KERNEL | __GFP_ZERO);283 if (!fb->sysmem.flush_page)284 return -ENOMEM;285 286 fb->sysmem.flush_page_addr = dma_map_page(device->dev, fb->sysmem.flush_page,287 0, PAGE_SIZE, DMA_BIDIRECTIONAL);288 if (dma_mapping_error(device->dev, fb->sysmem.flush_page_addr))289 return -EFAULT;290 }291 292 return 0;293}294 295int296nvkm_fb_new_(const struct nvkm_fb_func *func, struct nvkm_device *device,297 enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)298{299 if (!(*pfb = kzalloc(sizeof(**pfb), GFP_KERNEL)))300 return -ENOMEM;301 return nvkm_fb_ctor(func, device, type, inst, *pfb);302}303