drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c

   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 "changk104.h"
  25
  26 #include <core/client.h>
  27 #include <core/gpuobj.h>
  28 #include <subdev/fb.h>
  29 #include <subdev/mmu.h>
  30 #include <subdev/timer.h>
  31
  32 #include <nvif/class.h>
  33 #include <nvif/cla06f.h>
  34 #include <nvif/unpack.h>
  35
  36 static int
  37 gk104_fifo_gpfifo_kick(struct gk104_fifo_chan *chan)
  38 {
  39         struct gk104_fifo *fifo = chan->fifo;
  40         struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
  41         struct nvkm_device *device = subdev->device;
  42         struct nvkm_client *client = chan->base.object.client;
  43
  44         nvkm_wr32(device, 0x002634, chan->base.chid);
  45         if (nvkm_msec(device, 2000,
  46                 if (!(nvkm_rd32(device, 0x002634) & 0x00100000))
  47                         break;
  48         ) < 0) {
  49                 nvkm_error(subdev, "channel %d [%s] kick timeout\n",
  50                            chan->base.chid, client->name);
  51                 return -EBUSY;
  52         }
  53
  54         return 0;
  55 }
  56
  57 static u32
  58 gk104_fifo_gpfifo_engine_addr(struct nvkm_engine *engine)
  59 {
  60         switch (engine->subdev.index) {
  61         case NVKM_ENGINE_SW    :
  62         case NVKM_ENGINE_CE0   :
  63         case NVKM_ENGINE_CE1   :
  64         case NVKM_ENGINE_CE2   : return 0x0000;
  65         case NVKM_ENGINE_GR    : return 0x0210;
  66         case NVKM_ENGINE_SEC   : return 0x0220;
  67         case NVKM_ENGINE_MSPDEC: return 0x0250;
  68         case NVKM_ENGINE_MSPPP : return 0x0260;
  69         case NVKM_ENGINE_MSVLD : return 0x0270;
  70         case NVKM_ENGINE_MSENC : return 0x0290;
  71         case NVKM_ENGINE_NVDEC : return 0x02100270;
  72         case NVKM_ENGINE_NVENC0: return 0x02100290;
  73         case NVKM_ENGINE_NVENC1: return 0x0210;
  74         default:
  75                 WARN_ON(1);
  76                 return 0;
  77         }
  78 }
  79
  80 static int
  81 gk104_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
  82                               struct nvkm_engine *engine, bool suspend)
  83 {
  84         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
  85         struct nvkm_gpuobj *inst = chan->base.inst;
  86         u32 offset = gk104_fifo_gpfifo_engine_addr(engine);
  87         int ret;
  88
  89         ret = gk104_fifo_gpfifo_kick(chan);
  90         if (ret && suspend)
  91                 return ret;
  92
  93         if (offset) {
  94                 nvkm_kmap(inst);
  95                 nvkm_wo32(inst, (offset & 0xffff) + 0x00, 0x00000000);
  96                 nvkm_wo32(inst, (offset & 0xffff) + 0x04, 0x00000000);
  97                 if ((offset >>= 16)) {
  98                         nvkm_wo32(inst, offset + 0x00, 0x00000000);
  99                         nvkm_wo32(inst, offset + 0x04, 0x00000000);
 100                 }
 101                 nvkm_done(inst);
 102         }
 103
 104         return ret;
 105 }
 106
 107 static int
 108 gk104_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base,
 109                               struct nvkm_engine *engine)
 110 {
 111         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 112         struct nvkm_gpuobj *inst = chan->base.inst;
 113         u32 offset = gk104_fifo_gpfifo_engine_addr(engine);
 114
 115         if (offset) {
 116                 u64   addr = chan->engn[engine->subdev.index].vma.offset;
 117                 u32 datalo = lower_32_bits(addr) | 0x00000004;
 118                 u32 datahi = upper_32_bits(addr);
 119                 nvkm_kmap(inst);
 120                 nvkm_wo32(inst, (offset & 0xffff) + 0x00, datalo);
 121                 nvkm_wo32(inst, (offset & 0xffff) + 0x04, datahi);
 122                 if ((offset >>= 16)) {
 123                         nvkm_wo32(inst, offset + 0x00, datalo);
 124                         nvkm_wo32(inst, offset + 0x04, datahi);
 125                 }
 126                 nvkm_done(inst);
 127         }
 128
 129         return 0;
 130 }
 131
 132 static void
 133 gk104_fifo_gpfifo_engine_dtor(struct nvkm_fifo_chan *base,
 134                               struct nvkm_engine *engine)
 135 {
 136         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 137         nvkm_gpuobj_unmap(&chan->engn[engine->subdev.index].vma);
 138         nvkm_gpuobj_del(&chan->engn[engine->subdev.index].inst);
 139 }
 140
 141 static int
 142 gk104_fifo_gpfifo_engine_ctor(struct nvkm_fifo_chan *base,
 143                               struct nvkm_engine *engine,
 144                               struct nvkm_object *object)
 145 {
 146         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 147         int engn = engine->subdev.index;
 148         int ret;
 149
 150         if (!gk104_fifo_gpfifo_engine_addr(engine))
 151                 return 0;
 152
 153         ret = nvkm_object_bind(object, NULL, 0, &chan->engn[engn].inst);
 154         if (ret)
 155                 return ret;
 156
 157         return nvkm_gpuobj_map(chan->engn[engn].inst, chan->vm,
 158                                NV_MEM_ACCESS_RW, &chan->engn[engn].vma);
 159 }
 160
 161 static void
 162 gk104_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
 163 {
 164         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 165         struct gk104_fifo *fifo = chan->fifo;
 166         struct nvkm_device *device = fifo->base.engine.subdev.device;
 167         u32 coff = chan->base.chid * 8;
 168
 169         if (!list_empty(&chan->head)) {
 170                 gk104_fifo_runlist_remove(fifo, chan);
 171                 nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800);
 172                 gk104_fifo_gpfifo_kick(chan);
 173                 gk104_fifo_runlist_commit(fifo, chan->runl);
 174         }
 175
 176         nvkm_wr32(device, 0x800000 + coff, 0x00000000);
 177 }
 178
 179 static void
 180 gk104_fifo_gpfifo_init(struct nvkm_fifo_chan *base)
 181 {
 182         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 183         struct gk104_fifo *fifo = chan->fifo;
 184         struct nvkm_device *device = fifo->base.engine.subdev.device;
 185         u32 addr = chan->base.inst->addr >> 12;
 186         u32 coff = chan->base.chid * 8;
 187
 188         nvkm_mask(device, 0x800004 + coff, 0x000f0000, chan->runl << 16);
 189         nvkm_wr32(device, 0x800000 + coff, 0x80000000 | addr);
 190
 191         if (list_empty(&chan->head) && !chan->killed) {
 192                 gk104_fifo_runlist_insert(fifo, chan);
 193                 nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
 194                 gk104_fifo_runlist_commit(fifo, chan->runl);
 195                 nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
 196         }
 197 }
 198
 199 static void *
 200 gk104_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
 201 {
 202         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 203         nvkm_vm_ref(NULL, &chan->vm, chan->pgd);
 204         nvkm_gpuobj_del(&chan->pgd);
 205         return chan;
 206 }
 207
 208 static const struct nvkm_fifo_chan_func
 209 gk104_fifo_gpfifo_func = {
 210         .dtor = gk104_fifo_gpfifo_dtor,
 211         .init = gk104_fifo_gpfifo_init,
 212         .fini = gk104_fifo_gpfifo_fini,
 213         .ntfy = g84_fifo_chan_ntfy,
 214         .engine_ctor = gk104_fifo_gpfifo_engine_ctor,
 215         .engine_dtor = gk104_fifo_gpfifo_engine_dtor,
 216         .engine_init = gk104_fifo_gpfifo_engine_init,
 217         .engine_fini = gk104_fifo_gpfifo_engine_fini,
 218 };
 219
 220 struct gk104_fifo_chan_func {
 221         u32 engine;
 222         u64 subdev;
 223 };
 224
 225 static int
 226 gk104_fifo_gpfifo_new_(const struct gk104_fifo_chan_func *func,
 227                        struct gk104_fifo *fifo, u32 *engmask, u16 *chid,
 228                        u64 vm, u64 ioffset, u64 ilength,
 229                        const struct nvkm_oclass *oclass,
 230                        struct nvkm_object **pobject)
 231 {
 232         struct nvkm_device *device = fifo->base.engine.subdev.device;
 233         struct gk104_fifo_chan *chan;
 234         int runlist = -1, ret = -ENOSYS, i, j;
 235         u32 engines = 0, present = 0;
 236         u64 subdevs = 0;
 237         u64 usermem;
 238
 239         /* Determine which downstream engines are present */
 240         for (i = 0; i < fifo->engine_nr; i++) {
 241                 struct nvkm_engine *engine = fifo->engine[i].engine;
 242                 if (engine) {
 243                         u64 submask = BIT_ULL(engine->subdev.index);
 244                         for (j = 0; func[j].subdev; j++) {
 245                                 if (func[j].subdev & submask) {
 246                                         present |= func[j].engine;
 247                                         break;
 248                                 }
 249                         }
 250
 251                         if (!func[j].subdev)
 252                                 continue;
 253
 254                         if (runlist < 0 && (*engmask & present))
 255                                 runlist = fifo->engine[i].runl;
 256                         if (runlist == fifo->engine[i].runl) {
 257                                 engines |= func[j].engine;
 258                                 subdevs |= func[j].subdev;
 259                         }
 260                 }
 261         }
 262
 263         /* Just an engine mask query?  All done here! */
 264         if (!*engmask) {
 265                 *engmask = present;
 266                 return nvkm_object_new(oclass, NULL, 0, pobject);
 267         }
 268
 269         /* No runlist?  No supported engines. */
 270         *engmask = present;
 271         if (runlist < 0)
 272                 return -ENODEV;
 273         *engmask = engines;
 274
 275         /* Allocate the channel. */
 276         if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
 277                 return -ENOMEM;
 278         *pobject = &chan->base.object;
 279         chan->fifo = fifo;
 280         chan->runl = runlist;
 281         INIT_LIST_HEAD(&chan->head);
 282
 283         ret = nvkm_fifo_chan_ctor(&gk104_fifo_gpfifo_func, &fifo->base,
 284                                   0x1000, 0x1000, true, vm, 0, subdevs,
 285                                   1, fifo->user.bar.offset, 0x200,
 286                                   oclass, &chan->base);
 287         if (ret)
 288                 return ret;
 289
 290         *chid = chan->base.chid;
 291
 292         /* Page directory. */
 293         ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &chan->pgd);
 294         if (ret)
 295                 return ret;
 296
 297         nvkm_kmap(chan->base.inst);
 298         nvkm_wo32(chan->base.inst, 0x0200, lower_32_bits(chan->pgd->addr));
 299         nvkm_wo32(chan->base.inst, 0x0204, upper_32_bits(chan->pgd->addr));
 300         nvkm_wo32(chan->base.inst, 0x0208, 0xffffffff);
 301         nvkm_wo32(chan->base.inst, 0x020c, 0x000000ff);
 302         nvkm_done(chan->base.inst);
 303
 304         ret = nvkm_vm_ref(chan->base.vm, &chan->vm, chan->pgd);
 305         if (ret)
 306                 return ret;
 307
 308         /* Clear channel control registers. */
 309         usermem = chan->base.chid * 0x200;
 310         ilength = order_base_2(ilength / 8);
 311
 312         nvkm_kmap(fifo->user.mem);
 313         for (i = 0; i < 0x200; i += 4)
 314                 nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
 315         nvkm_done(fifo->user.mem);
 316         usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
 317
 318         /* RAMFC */
 319         nvkm_kmap(chan->base.inst);
 320         nvkm_wo32(chan->base.inst, 0x08, lower_32_bits(usermem));
 321         nvkm_wo32(chan->base.inst, 0x0c, upper_32_bits(usermem));
 322         nvkm_wo32(chan->base.inst, 0x10, 0x0000face);
 323         nvkm_wo32(chan->base.inst, 0x30, 0xfffff902);
 324         nvkm_wo32(chan->base.inst, 0x48, lower_32_bits(ioffset));
 325         nvkm_wo32(chan->base.inst, 0x4c, upper_32_bits(ioffset) |
 326                                          (ilength << 16));
 327         nvkm_wo32(chan->base.inst, 0x84, 0x20400000);
 328         nvkm_wo32(chan->base.inst, 0x94, 0x30000001);
 329         nvkm_wo32(chan->base.inst, 0x9c, 0x00000100);
 330         nvkm_wo32(chan->base.inst, 0xac, 0x0000001f);
 331         nvkm_wo32(chan->base.inst, 0xe8, chan->base.chid);
 332         nvkm_wo32(chan->base.inst, 0xb8, 0xf8000000);
 333         nvkm_wo32(chan->base.inst, 0xf8, 0x10003080); /* 0x002310 */
 334         nvkm_wo32(chan->base.inst, 0xfc, 0x10000010); /* 0x002350 */
 335         nvkm_done(chan->base.inst);
 336         return 0;
 337 }
 338
 339 static const struct gk104_fifo_chan_func
 340 gk104_fifo_gpfifo[] = {
 341         { NVA06F_V0_ENGINE_SW | NVA06F_V0_ENGINE_GR,
 342                 BIT_ULL(NVKM_ENGINE_SW) | BIT_ULL(NVKM_ENGINE_GR)
 343         },
 344         { NVA06F_V0_ENGINE_SEC   , BIT_ULL(NVKM_ENGINE_SEC   ) },
 345         { NVA06F_V0_ENGINE_MSVLD , BIT_ULL(NVKM_ENGINE_MSVLD ) },
 346         { NVA06F_V0_ENGINE_MSPDEC, BIT_ULL(NVKM_ENGINE_MSPDEC) },
 347         { NVA06F_V0_ENGINE_MSPPP , BIT_ULL(NVKM_ENGINE_MSPPP ) },
 348         { NVA06F_V0_ENGINE_MSENC , BIT_ULL(NVKM_ENGINE_MSENC ) },
 349         { NVA06F_V0_ENGINE_NVDEC , BIT_ULL(NVKM_ENGINE_NVDEC ) },
 350         { NVA06F_V0_ENGINE_NVENC0, BIT_ULL(NVKM_ENGINE_NVENC0) },
 351         { NVA06F_V0_ENGINE_NVENC1, BIT_ULL(NVKM_ENGINE_NVENC1) },
 352         { NVA06F_V0_ENGINE_CE0   , BIT_ULL(NVKM_ENGINE_CE0   ) },
 353         { NVA06F_V0_ENGINE_CE1   , BIT_ULL(NVKM_ENGINE_CE1   ) },
 354         { NVA06F_V0_ENGINE_CE2   , BIT_ULL(NVKM_ENGINE_CE2   ) },
 355         {}
 356 };
 357
 358 int
 359 gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
 360                       void *data, u32 size, struct nvkm_object **pobject)
 361 {
 362         struct nvkm_object *parent = oclass->parent;
 363         union {
 364                 struct kepler_channel_gpfifo_a_v0 v0;
 365         } *args = data;
 366         struct gk104_fifo *fifo = gk104_fifo(base);
 367         int ret = -ENOSYS;
 368
 369         nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
 370         if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
 371                 nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
 372                                    "ioffset %016llx ilength %08x engine %08x\n",
 373                            args->v0.version, args->v0.vm, args->v0.ioffset,
 374                            args->v0.ilength, args->v0.engines);
 375                 return gk104_fifo_gpfifo_new_(gk104_fifo_gpfifo, fifo,
 376                                               &args->v0.engines,
 377                                               &args->v0.chid,
 378                                                args->v0.vm,
 379                                                args->v0.ioffset,
 380                                                args->v0.ilength,
 381                                               oclass, pobject);
 382
 383         }
 384
 385         return ret;
 386 }
 387
 388 const struct nvkm_fifo_chan_oclass
 389 gk104_fifo_gpfifo_oclass = {
 390         .base.oclass = KEPLER_CHANNEL_GPFIFO_A,
 391         .base.minver = 0,
 392         .base.maxver = 0,
 393         .ctor = gk104_fifo_gpfifo_new,
 394 };