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         int ret = 0;
  44
  45         mutex_lock(&subdev->mutex);
  46         nvkm_wr32(device, 0x002634, chan->base.chid);
  47         if (nvkm_msec(device, 2000,
  48                 if (!(nvkm_rd32(device, 0x002634) & 0x00100000))
  49                         break;
  50         ) < 0) {
  51                 nvkm_error(subdev, "channel %d [%s] kick timeout\n",
  52                            chan->base.chid, client->name);
  53                 nvkm_fifo_recover_chan(&fifo->base, chan->base.chid);
  54                 ret = -ETIMEDOUT;
  55         }
  56         mutex_unlock(&subdev->mutex);
  57         return ret;
  58 }
  59
  60 static u32
  61 gk104_fifo_gpfifo_engine_addr(struct nvkm_engine *engine)
  62 {
  63         switch (engine->subdev.index) {
  64         case NVKM_ENGINE_SW    :
  65         case NVKM_ENGINE_CE0   :
  66         case NVKM_ENGINE_CE1   :
  67         case NVKM_ENGINE_CE2   : return 0x0000;
  68         case NVKM_ENGINE_GR    : return 0x0210;
  69         case NVKM_ENGINE_SEC   : return 0x0220;
  70         case NVKM_ENGINE_MSPDEC: return 0x0250;
  71         case NVKM_ENGINE_MSPPP : return 0x0260;
  72         case NVKM_ENGINE_MSVLD : return 0x0270;
  73         case NVKM_ENGINE_VIC   : return 0x0280;
  74         case NVKM_ENGINE_MSENC : return 0x0290;
  75         case NVKM_ENGINE_NVDEC : return 0x02100270;
  76         case NVKM_ENGINE_NVENC0: return 0x02100290;
  77         case NVKM_ENGINE_NVENC1: return 0x0210;
  78         default:
  79                 WARN_ON(1);
  80                 return 0;
  81         }
  82 }
  83
  84 static int
  85 gk104_fifo_gpfifo_engine_fini(struct nvkm_fifo_chan *base,
  86                               struct nvkm_engine *engine, bool suspend)
  87 {
  88         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
  89         struct nvkm_gpuobj *inst = chan->base.inst;
  90         u32 offset = gk104_fifo_gpfifo_engine_addr(engine);
  91         int ret;
  92
  93         ret = gk104_fifo_gpfifo_kick(chan);
  94         if (ret && suspend)
  95                 return ret;
  96
  97         if (offset) {
  98                 nvkm_kmap(inst);
  99                 nvkm_wo32(inst, (offset & 0xffff) + 0x00, 0x00000000);
 100                 nvkm_wo32(inst, (offset & 0xffff) + 0x04, 0x00000000);
 101                 if ((offset >>= 16)) {
 102                         nvkm_wo32(inst, offset + 0x00, 0x00000000);
 103                         nvkm_wo32(inst, offset + 0x04, 0x00000000);
 104                 }
 105                 nvkm_done(inst);
 106         }
 107
 108         return ret;
 109 }
 110
 111 static int
 112 gk104_fifo_gpfifo_engine_init(struct nvkm_fifo_chan *base,
 113                               struct nvkm_engine *engine)
 114 {
 115         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 116         struct nvkm_gpuobj *inst = chan->base.inst;
 117         u32 offset = gk104_fifo_gpfifo_engine_addr(engine);
 118
 119         if (offset) {
 120                 u64   addr = chan->engn[engine->subdev.index].vma.offset;
 121                 u32 datalo = lower_32_bits(addr) | 0x00000004;
 122                 u32 datahi = upper_32_bits(addr);
 123                 nvkm_kmap(inst);
 124                 nvkm_wo32(inst, (offset & 0xffff) + 0x00, datalo);
 125                 nvkm_wo32(inst, (offset & 0xffff) + 0x04, datahi);
 126                 if ((offset >>= 16)) {
 127                         nvkm_wo32(inst, offset + 0x00, datalo);
 128                         nvkm_wo32(inst, offset + 0x04, datahi);
 129                 }
 130                 nvkm_done(inst);
 131         }
 132
 133         return 0;
 134 }
 135
 136 static void
 137 gk104_fifo_gpfifo_engine_dtor(struct nvkm_fifo_chan *base,
 138                               struct nvkm_engine *engine)
 139 {
 140         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 141         nvkm_gpuobj_unmap(&chan->engn[engine->subdev.index].vma);
 142         nvkm_gpuobj_del(&chan->engn[engine->subdev.index].inst);
 143 }
 144
 145 static int
 146 gk104_fifo_gpfifo_engine_ctor(struct nvkm_fifo_chan *base,
 147                               struct nvkm_engine *engine,
 148                               struct nvkm_object *object)
 149 {
 150         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 151         int engn = engine->subdev.index;
 152         int ret;
 153
 154         if (!gk104_fifo_gpfifo_engine_addr(engine))
 155                 return 0;
 156
 157         ret = nvkm_object_bind(object, NULL, 0, &chan->engn[engn].inst);
 158         if (ret)
 159                 return ret;
 160
 161         return nvkm_gpuobj_map(chan->engn[engn].inst, chan->vm,
 162                                NV_MEM_ACCESS_RW, &chan->engn[engn].vma);
 163 }
 164
 165 static void
 166 gk104_fifo_gpfifo_fini(struct nvkm_fifo_chan *base)
 167 {
 168         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 169         struct gk104_fifo *fifo = chan->fifo;
 170         struct nvkm_device *device = fifo->base.engine.subdev.device;
 171         u32 coff = chan->base.chid * 8;
 172
 173         if (!list_empty(&chan->head)) {
 174                 gk104_fifo_runlist_remove(fifo, chan);
 175                 nvkm_mask(device, 0x800004 + coff, 0x00000800, 0x00000800);
 176                 gk104_fifo_gpfifo_kick(chan);
 177                 gk104_fifo_runlist_commit(fifo, chan->runl);
 178         }
 179
 180         nvkm_wr32(device, 0x800000 + coff, 0x00000000);
 181 }
 182
 183 static void
 184 gk104_fifo_gpfifo_init(struct nvkm_fifo_chan *base)
 185 {
 186         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 187         struct gk104_fifo *fifo = chan->fifo;
 188         struct nvkm_device *device = fifo->base.engine.subdev.device;
 189         u32 addr = chan->base.inst->addr >> 12;
 190         u32 coff = chan->base.chid * 8;
 191
 192         nvkm_mask(device, 0x800004 + coff, 0x000f0000, chan->runl << 16);
 193         nvkm_wr32(device, 0x800000 + coff, 0x80000000 | addr);
 194
 195         if (list_empty(&chan->head) && !chan->killed) {
 196                 gk104_fifo_runlist_insert(fifo, chan);
 197                 nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
 198                 gk104_fifo_runlist_commit(fifo, chan->runl);
 199                 nvkm_mask(device, 0x800004 + coff, 0x00000400, 0x00000400);
 200         }
 201 }
 202
 203 static void *
 204 gk104_fifo_gpfifo_dtor(struct nvkm_fifo_chan *base)
 205 {
 206         struct gk104_fifo_chan *chan = gk104_fifo_chan(base);
 207         nvkm_vm_ref(NULL, &chan->vm, chan->pgd);
 208         nvkm_gpuobj_del(&chan->pgd);
 209         return chan;
 210 }
 211
 212 static const struct nvkm_fifo_chan_func
 213 gk104_fifo_gpfifo_func = {
 214         .dtor = gk104_fifo_gpfifo_dtor,
 215         .init = gk104_fifo_gpfifo_init,
 216         .fini = gk104_fifo_gpfifo_fini,
 217         .ntfy = gf100_fifo_chan_ntfy,
 218         .engine_ctor = gk104_fifo_gpfifo_engine_ctor,
 219         .engine_dtor = gk104_fifo_gpfifo_engine_dtor,
 220         .engine_init = gk104_fifo_gpfifo_engine_init,
 221         .engine_fini = gk104_fifo_gpfifo_engine_fini,
 222 };
 223
 224 struct gk104_fifo_chan_func {
 225         u32 engine;
 226         u64 subdev;
 227 };
 228
 229 static int
 230 gk104_fifo_gpfifo_new_(const struct gk104_fifo_chan_func *func,
 231                        struct gk104_fifo *fifo, u32 *engmask, u16 *chid,
 232                        u64 vm, u64 ioffset, u64 ilength,
 233                        const struct nvkm_oclass *oclass,
 234                        struct nvkm_object **pobject)
 235 {
 236         struct nvkm_device *device = fifo->base.engine.subdev.device;
 237         struct gk104_fifo_chan *chan;
 238         int runlist = -1, ret = -ENOSYS, i, j;
 239         u32 engines = 0, present = 0;
 240         u64 subdevs = 0;
 241         u64 usermem;
 242
 243         /* Determine which downstream engines are present */
 244         for (i = 0; i < fifo->engine_nr; i++) {
 245                 struct nvkm_engine *engine = fifo->engine[i].engine;
 246                 if (engine) {
 247                         u64 submask = BIT_ULL(engine->subdev.index);
 248                         for (j = 0; func[j].subdev; j++) {
 249                                 if (func[j].subdev & submask) {
 250                                         present |= func[j].engine;
 251                                         break;
 252                                 }
 253                         }
 254
 255                         if (!func[j].subdev)
 256                                 continue;
 257
 258                         if (runlist < 0 && (*engmask & present))
 259                                 runlist = fifo->engine[i].runl;
 260                         if (runlist == fifo->engine[i].runl) {
 261                                 engines |= func[j].engine;
 262                                 subdevs |= func[j].subdev;
 263                         }
 264                 }
 265         }
 266
 267         /* Just an engine mask query?  All done here! */
 268         if (!*engmask) {
 269                 *engmask = present;
 270                 return nvkm_object_new(oclass, NULL, 0, pobject);
 271         }
 272
 273         /* No runlist?  No supported engines. */
 274         *engmask = present;
 275         if (runlist < 0)
 276                 return -ENODEV;
 277         *engmask = engines;
 278
 279         /* Allocate the channel. */
 280         if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
 281                 return -ENOMEM;
 282         *pobject = &chan->base.object;
 283         chan->fifo = fifo;
 284         chan->runl = runlist;
 285         INIT_LIST_HEAD(&chan->head);
 286
 287         ret = nvkm_fifo_chan_ctor(&gk104_fifo_gpfifo_func, &fifo->base,
 288                                   0x1000, 0x1000, true, vm, 0, subdevs,
 289                                   1, fifo->user.bar.offset, 0x200,
 290                                   oclass, &chan->base);
 291         if (ret)
 292                 return ret;
 293
 294         *chid = chan->base.chid;
 295
 296         /* Page directory. */
 297         ret = nvkm_gpuobj_new(device, 0x10000, 0x1000, false, NULL, &chan->pgd);
 298         if (ret)
 299                 return ret;
 300
 301         nvkm_kmap(chan->base.inst);
 302         nvkm_wo32(chan->base.inst, 0x0200, lower_32_bits(chan->pgd->addr));
 303         nvkm_wo32(chan->base.inst, 0x0204, upper_32_bits(chan->pgd->addr));
 304         nvkm_wo32(chan->base.inst, 0x0208, 0xffffffff);
 305         nvkm_wo32(chan->base.inst, 0x020c, 0x000000ff);
 306         nvkm_done(chan->base.inst);
 307
 308         ret = nvkm_vm_ref(chan->base.vm, &chan->vm, chan->pgd);
 309         if (ret)
 310                 return ret;
 311
 312         /* Clear channel control registers. */
 313         usermem = chan->base.chid * 0x200;
 314         ilength = order_base_2(ilength / 8);
 315
 316         nvkm_kmap(fifo->user.mem);
 317         for (i = 0; i < 0x200; i += 4)
 318                 nvkm_wo32(fifo->user.mem, usermem + i, 0x00000000);
 319         nvkm_done(fifo->user.mem);
 320         usermem = nvkm_memory_addr(fifo->user.mem) + usermem;
 321
 322         /* RAMFC */
 323         nvkm_kmap(chan->base.inst);
 324         nvkm_wo32(chan->base.inst, 0x08, lower_32_bits(usermem));
 325         nvkm_wo32(chan->base.inst, 0x0c, upper_32_bits(usermem));
 326         nvkm_wo32(chan->base.inst, 0x10, 0x0000face);
 327         nvkm_wo32(chan->base.inst, 0x30, 0xfffff902);
 328         nvkm_wo32(chan->base.inst, 0x48, lower_32_bits(ioffset));
 329         nvkm_wo32(chan->base.inst, 0x4c, upper_32_bits(ioffset) |
 330                                          (ilength << 16));
 331         nvkm_wo32(chan->base.inst, 0x84, 0x20400000);
 332         nvkm_wo32(chan->base.inst, 0x94, 0x30000001);
 333         nvkm_wo32(chan->base.inst, 0x9c, 0x00000100);
 334         nvkm_wo32(chan->base.inst, 0xac, 0x0000001f);
 335         nvkm_wo32(chan->base.inst, 0xe8, chan->base.chid);
 336         nvkm_wo32(chan->base.inst, 0xb8, 0xf8000000);
 337         nvkm_wo32(chan->base.inst, 0xf8, 0x10003080); /* 0x002310 */
 338         nvkm_wo32(chan->base.inst, 0xfc, 0x10000010); /* 0x002350 */
 339         nvkm_done(chan->base.inst);
 340         return 0;
 341 }
 342
 343 static const struct gk104_fifo_chan_func
 344 gk104_fifo_gpfifo[] = {
 345         { NVA06F_V0_ENGINE_SW | NVA06F_V0_ENGINE_GR,
 346                 BIT_ULL(NVKM_ENGINE_SW) | BIT_ULL(NVKM_ENGINE_GR)
 347         },
 348         { NVA06F_V0_ENGINE_SEC   , BIT_ULL(NVKM_ENGINE_SEC   ) },
 349         { NVA06F_V0_ENGINE_MSVLD , BIT_ULL(NVKM_ENGINE_MSVLD ) },
 350         { NVA06F_V0_ENGINE_MSPDEC, BIT_ULL(NVKM_ENGINE_MSPDEC) },
 351         { NVA06F_V0_ENGINE_MSPPP , BIT_ULL(NVKM_ENGINE_MSPPP ) },
 352         { NVA06F_V0_ENGINE_MSENC , BIT_ULL(NVKM_ENGINE_MSENC ) },
 353         { NVA06F_V0_ENGINE_VIC   , BIT_ULL(NVKM_ENGINE_VIC   ) },
 354         { NVA06F_V0_ENGINE_NVDEC , BIT_ULL(NVKM_ENGINE_NVDEC ) },
 355         { NVA06F_V0_ENGINE_NVENC0, BIT_ULL(NVKM_ENGINE_NVENC0) },
 356         { NVA06F_V0_ENGINE_NVENC1, BIT_ULL(NVKM_ENGINE_NVENC1) },
 357         { NVA06F_V0_ENGINE_CE0   , BIT_ULL(NVKM_ENGINE_CE0   ) },
 358         { NVA06F_V0_ENGINE_CE1   , BIT_ULL(NVKM_ENGINE_CE1   ) },
 359         { NVA06F_V0_ENGINE_CE2   , BIT_ULL(NVKM_ENGINE_CE2   ) },
 360         {}
 361 };
 362
 363 int
 364 gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
 365                       void *data, u32 size, struct nvkm_object **pobject)
 366 {
 367         struct nvkm_object *parent = oclass->parent;
 368         union {
 369                 struct kepler_channel_gpfifo_a_v0 v0;
 370         } *args = data;
 371         struct gk104_fifo *fifo = gk104_fifo(base);
 372         int ret = -ENOSYS;
 373
 374         nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
 375         if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
 376                 nvif_ioctl(parent, "create channel gpfifo vers %d vm %llx "
 377                                    "ioffset %016llx ilength %08x engine %08x\n",
 378                            args->v0.version, args->v0.vm, args->v0.ioffset,
 379                            args->v0.ilength, args->v0.engines);
 380                 return gk104_fifo_gpfifo_new_(gk104_fifo_gpfifo, fifo,
 381                                               &args->v0.engines,
 382                                               &args->v0.chid,
 383                                                args->v0.vm,
 384                                                args->v0.ioffset,
 385                                                args->v0.ilength,
 386                                               oclass, pobject);
 387
 388         }
 389
 390         return ret;
 391 }
 392
 393 const struct nvkm_fifo_chan_oclass
 394 gk104_fifo_gpfifo_oclass = {
 395         .base.oclass = KEPLER_CHANNEL_GPFIFO_A,
 396         .base.minver = 0,
 397         .base.maxver = 0,
 398         .ctor = gk104_fifo_gpfifo_new,
 399 };