LXR linux/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c

   1/*
   2 * Copyright (c) 2014-2015, NVIDIA CORPORATION. All rights reserved.
   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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20 * DEALINGS IN THE SOFTWARE.
  21 */
  22#include "gf100.h"
  23#include "ctxgf100.h"
  24
  25#include <core/firmware.h>
  26#include <subdev/timer.h>
  27
  28#include <nvif/class.h>
  29
  30struct gk20a_fw_av
  31{
  32        u32 addr;
  33        u32 data;
  34};
  35
  36static int
  37gk20a_gr_av_to_init(struct gf100_gr *gr, const char *path, const char *name,
  38                    int ver, struct gf100_gr_pack **ppack)
  39{
  40        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
  41        struct nvkm_blob blob;
  42        struct gf100_gr_init *init;
  43        struct gf100_gr_pack *pack;
  44        int nent;
  45        int ret;
  46        int i;
  47
  48        ret = nvkm_firmware_load_blob(subdev, path, name, ver, &blob);
  49        if (ret)
  50                return ret;
  51
  52        nent = (blob.size / sizeof(struct gk20a_fw_av));
  53        pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
  54        if (!pack) {
  55                ret = -ENOMEM;
  56                goto end;
  57        }
  58
  59        init = (void *)(pack + 2);
  60        pack[0].init = init;
  61
  62        for (i = 0; i < nent; i++) {
  63                struct gf100_gr_init *ent = &init[i];
  64                struct gk20a_fw_av *av = &((struct gk20a_fw_av *)blob.data)[i];
  65
  66                ent->addr = av->addr;
  67                ent->data = av->data;
  68                ent->count = 1;
  69                ent->pitch = 1;
  70        }
  71
  72        *ppack = pack;
  73
  74end:
  75        nvkm_blob_dtor(&blob);
  76        return ret;
  77}
  78
  79struct gk20a_fw_aiv
  80{
  81        u32 addr;
  82        u32 index;
  83        u32 data;
  84};
  85
  86static int
  87gk20a_gr_aiv_to_init(struct gf100_gr *gr, const char *path, const char *name,
  88                     int ver, struct gf100_gr_pack **ppack)
  89{
  90        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
  91        struct nvkm_blob blob;
  92        struct gf100_gr_init *init;
  93        struct gf100_gr_pack *pack;
  94        int nent;
  95        int ret;
  96        int i;
  97
  98        ret = nvkm_firmware_load_blob(subdev, path, name, ver, &blob);
  99        if (ret)
 100                return ret;
 101
 102        nent = (blob.size / sizeof(struct gk20a_fw_aiv));
 103        pack = vzalloc((sizeof(*pack) * 2) + (sizeof(*init) * (nent + 1)));
 104        if (!pack) {
 105                ret = -ENOMEM;
 106                goto end;
 107        }
 108
 109        init = (void *)(pack + 2);
 110        pack[0].init = init;
 111
 112        for (i = 0; i < nent; i++) {
 113                struct gf100_gr_init *ent = &init[i];
 114                struct gk20a_fw_aiv *av = &((struct gk20a_fw_aiv *)blob.data)[i];
 115
 116                ent->addr = av->addr;
 117                ent->data = av->data;
 118                ent->count = 1;
 119                ent->pitch = 1;
 120        }
 121
 122        *ppack = pack;
 123
 124end:
 125        nvkm_blob_dtor(&blob);
 126        return ret;
 127}
 128
 129static int
 130gk20a_gr_av_to_method(struct gf100_gr *gr, const char *path, const char *name,
 131                      int ver, struct gf100_gr_pack **ppack)
 132{
 133        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
 134        struct nvkm_blob blob;
 135        struct gf100_gr_init *init;
 136        struct gf100_gr_pack *pack;
 137        /* We don't suppose we will initialize more than 16 classes here... */
 138        static const unsigned int max_classes = 16;
 139        u32 classidx = 0, prevclass = 0;
 140        int nent;
 141        int ret;
 142        int i;
 143
 144        ret = nvkm_firmware_load_blob(subdev, path, name, ver, &blob);
 145        if (ret)
 146                return ret;
 147
 148        nent = (blob.size / sizeof(struct gk20a_fw_av));
 149
 150        pack = vzalloc((sizeof(*pack) * (max_classes + 1)) +
 151                       (sizeof(*init) * (nent + max_classes + 1)));
 152        if (!pack) {
 153                ret = -ENOMEM;
 154                goto end;
 155        }
 156
 157        init = (void *)(pack + max_classes + 1);
 158
 159        for (i = 0; i < nent; i++, init++) {
 160                struct gk20a_fw_av *av = &((struct gk20a_fw_av *)blob.data)[i];
 161                u32 class = av->addr & 0xffff;
 162                u32 addr = (av->addr & 0xffff0000) >> 14;
 163
 164                if (prevclass != class) {
 165                        if (prevclass) /* Add terminator to the method list. */
 166                                init++;
 167                        pack[classidx].init = init;
 168                        pack[classidx].type = class;
 169                        prevclass = class;
 170                        if (++classidx >= max_classes) {
 171                                vfree(pack);
 172                                ret = -ENOSPC;
 173                                goto end;
 174                        }
 175                }
 176
 177                init->addr = addr;
 178                init->data = av->data;
 179                init->count = 1;
 180                init->pitch = 1;
 181        }
 182
 183        *ppack = pack;
 184
 185end:
 186        nvkm_blob_dtor(&blob);
 187        return ret;
 188}
 189
 190static int
 191gk20a_gr_wait_mem_scrubbing(struct gf100_gr *gr)
 192{
 193        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
 194        struct nvkm_device *device = subdev->device;
 195
 196        if (nvkm_msec(device, 2000,
 197                if (!(nvkm_rd32(device, 0x40910c) & 0x00000006))
 198                        break;
 199        ) < 0) {
 200                nvkm_error(subdev, "FECS mem scrubbing timeout\n");
 201                return -ETIMEDOUT;
 202        }
 203
 204        if (nvkm_msec(device, 2000,
 205                if (!(nvkm_rd32(device, 0x41a10c) & 0x00000006))
 206                        break;
 207        ) < 0) {
 208                nvkm_error(subdev, "GPCCS mem scrubbing timeout\n");
 209                return -ETIMEDOUT;
 210        }
 211
 212        return 0;
 213}
 214
 215static void
 216gk20a_gr_set_hww_esr_report_mask(struct gf100_gr *gr)
 217{
 218        struct nvkm_device *device = gr->base.engine.subdev.device;
 219        nvkm_wr32(device, 0x419e44, 0x1ffffe);
 220        nvkm_wr32(device, 0x419e4c, 0x7f);
 221}
 222
 223int
 224gk20a_gr_init(struct gf100_gr *gr)
 225{
 226        struct nvkm_device *device = gr->base.engine.subdev.device;
 227        int ret;
 228
 229        /* Clear SCC RAM */
 230        nvkm_wr32(device, 0x40802c, 0x1);
 231
 232        gf100_gr_mmio(gr, gr->sw_nonctx);
 233
 234        ret = gk20a_gr_wait_mem_scrubbing(gr);
 235        if (ret)
 236                return ret;
 237
 238        ret = gf100_gr_wait_idle(gr);
 239        if (ret)
 240                return ret;
 241
 242        /* MMU debug buffer */
 243        if (gr->func->init_gpc_mmu)
 244                gr->func->init_gpc_mmu(gr);
 245
 246        /* Set the PE as stream master */
 247        nvkm_mask(device, 0x503018, 0x1, 0x1);
 248
 249        /* Zcull init */
 250        gr->func->init_zcull(gr);
 251
 252        gr->func->init_rop_active_fbps(gr);
 253
 254        /* Enable FIFO access */
 255        nvkm_wr32(device, 0x400500, 0x00010001);
 256
 257        /* Enable interrupts */
 258        nvkm_wr32(device, 0x400100, 0xffffffff);
 259        nvkm_wr32(device, 0x40013c, 0xffffffff);
 260
 261        /* Enable FECS error interrupts */
 262        nvkm_wr32(device, 0x409c24, 0x000f0000);
 263
 264        /* Enable hardware warning exceptions */
 265        nvkm_wr32(device, 0x404000, 0xc0000000);
 266        nvkm_wr32(device, 0x404600, 0xc0000000);
 267
 268        if (gr->func->set_hww_esr_report_mask)
 269                gr->func->set_hww_esr_report_mask(gr);
 270
 271        /* Enable TPC exceptions per GPC */
 272        nvkm_wr32(device, 0x419d0c, 0x2);
 273        nvkm_wr32(device, 0x41ac94, (((1 << gr->tpc_total) - 1) & 0xff) << 16);
 274
 275        /* Reset and enable all exceptions */
 276        nvkm_wr32(device, 0x400108, 0xffffffff);
 277        nvkm_wr32(device, 0x400138, 0xffffffff);
 278        nvkm_wr32(device, 0x400118, 0xffffffff);
 279        nvkm_wr32(device, 0x400130, 0xffffffff);
 280        nvkm_wr32(device, 0x40011c, 0xffffffff);
 281        nvkm_wr32(device, 0x400134, 0xffffffff);
 282
 283        gf100_gr_zbc_init(gr);
 284
 285        return gf100_gr_init_ctxctl(gr);
 286}
 287
 288static const struct gf100_gr_func
 289gk20a_gr = {
 290        .oneinit_tiles = gf100_gr_oneinit_tiles,
 291        .oneinit_sm_id = gf100_gr_oneinit_sm_id,
 292        .init = gk20a_gr_init,
 293        .init_zcull = gf117_gr_init_zcull,
 294        .init_rop_active_fbps = gk104_gr_init_rop_active_fbps,
 295        .trap_mp = gf100_gr_trap_mp,
 296        .set_hww_esr_report_mask = gk20a_gr_set_hww_esr_report_mask,
 297        .rops = gf100_gr_rops,
 298        .ppc_nr = 1,
 299        .grctx = &gk20a_grctx,
 300        .zbc = &gf100_gr_zbc,
 301        .sclass = {
 302                { -1, -1, FERMI_TWOD_A },
 303                { -1, -1, KEPLER_INLINE_TO_MEMORY_A },
 304                { -1, -1, KEPLER_C, &gf100_fermi },
 305                { -1, -1, KEPLER_COMPUTE_A },
 306                {}
 307        }
 308};
 309
 310int
 311gk20a_gr_load_sw(struct gf100_gr *gr, const char *path, int ver)
 312{
 313        if (gk20a_gr_av_to_init(gr, path, "sw_nonctx", ver, &gr->sw_nonctx) ||
 314            gk20a_gr_aiv_to_init(gr, path, "sw_ctx", ver, &gr->sw_ctx) ||
 315            gk20a_gr_av_to_init(gr, path, "sw_bundle_init", ver, &gr->bundle) ||
 316            gk20a_gr_av_to_method(gr, path, "sw_method_init", ver, &gr->method))
 317                return -ENOENT;
 318
 319        return 0;
 320}
 321
 322#if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) || IS_ENABLED(CONFIG_ARCH_TEGRA_132_SOC)
 323MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
 324MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
 325MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
 326MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
 327MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
 328MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
 329MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
 330MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
 331#endif
 332
 333static int
 334gk20a_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
 335{
 336        struct nvkm_subdev *subdev = &gr->base.engine.subdev;
 337
 338        if (nvkm_firmware_load_blob(subdev, "", "fecs_inst", ver,
 339                                    &gr->fecs.inst) ||
 340            nvkm_firmware_load_blob(subdev, "", "fecs_data", ver,
 341                                    &gr->fecs.data) ||
 342            nvkm_firmware_load_blob(subdev, "", "gpccs_inst", ver,
 343                                    &gr->gpccs.inst) ||
 344            nvkm_firmware_load_blob(subdev, "", "gpccs_data", ver,
 345                                    &gr->gpccs.data))
 346                return -ENOENT;
 347
 348        gr->firmware = true;
 349
 350        return gk20a_gr_load_sw(gr, "", ver);
 351}
 352
 353static const struct gf100_gr_fwif
 354gk20a_gr_fwif[] = {
 355        { 0, gk20a_gr_load, &gk20a_gr },
 356        {}
 357};
 358
 359int
 360gk20a_gr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_gr **pgr)
 361{
 362        return gf100_gr_new_(gk20a_gr_fwif, device, type, inst, pgr);
 363}
 364