drivers/gpu/drm/nouveau/nvkm/engine/gr/gm200.c

   1 /*
   2  * Copyright 2015 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 <bskeggs@redhat.com>
  23  */
  24 #include "gf100.h"
  25 #include "ctxgf100.h"
  26
  27 #include <subdev/secboot.h>
  28
  29 #include <nvif/class.h>
  30
  31 /*******************************************************************************
  32  * PGRAPH engine/subdev functions
  33  ******************************************************************************/
  34
  35 int
  36 gm200_gr_rops(struct gf100_gr *gr)
  37 {
  38         return nvkm_rd32(gr->base.engine.subdev.device, 0x12006c);
  39 }
  40
  41 void
  42 gm200_gr_init_gpc_mmu(struct gf100_gr *gr)
  43 {
  44         struct nvkm_device *device = gr->base.engine.subdev.device;
  45
  46         nvkm_wr32(device, 0x418880, nvkm_rd32(device, 0x100c80) & 0xf0001fff);
  47         nvkm_wr32(device, 0x418890, 0x00000000);
  48         nvkm_wr32(device, 0x418894, 0x00000000);
  49
  50         nvkm_wr32(device, 0x4188b4, nvkm_rd32(device, 0x100cc8));
  51         nvkm_wr32(device, 0x4188b8, nvkm_rd32(device, 0x100ccc));
  52         nvkm_wr32(device, 0x4188b0, nvkm_rd32(device, 0x100cc4));
  53 }
  54
  55 static void
  56 gm200_gr_init_rop_active_fbps(struct gf100_gr *gr)
  57 {
  58         struct nvkm_device *device = gr->base.engine.subdev.device;
  59         const u32 fbp_count = nvkm_rd32(device, 0x12006c);
  60         nvkm_mask(device, 0x408850, 0x0000000f, fbp_count); /* zrop */
  61         nvkm_mask(device, 0x408958, 0x0000000f, fbp_count); /* crop */
  62 }
  63
  64 int
  65 gm200_gr_init(struct gf100_gr *gr)
  66 {
  67         struct nvkm_device *device = gr->base.engine.subdev.device;
  68         const u32 magicgpc918 = DIV_ROUND_UP(0x00800000, gr->tpc_total);
  69         u32 data[TPC_MAX / 8] = {};
  70         u8  tpcnr[GPC_MAX];
  71         int gpc, tpc, rop;
  72         int i;
  73
  74         gr->func->init_gpc_mmu(gr);
  75
  76         gf100_gr_mmio(gr, gr->fuc_sw_nonctx);
  77
  78         gm107_gr_init_bios(gr);
  79
  80         nvkm_wr32(device, GPC_UNIT(0, 0x3018), 0x00000001);
  81
  82         memset(data, 0x00, sizeof(data));
  83         memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
  84         for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
  85                 do {
  86                         gpc = (gpc + 1) % gr->gpc_nr;
  87                 } while (!tpcnr[gpc]);
  88                 tpc = gr->tpc_nr[gpc] - tpcnr[gpc]--;
  89
  90                 data[i / 8] |= tpc << ((i % 8) * 4);
  91         }
  92
  93         nvkm_wr32(device, GPC_BCAST(0x0980), data[0]);
  94         nvkm_wr32(device, GPC_BCAST(0x0984), data[1]);
  95         nvkm_wr32(device, GPC_BCAST(0x0988), data[2]);
  96         nvkm_wr32(device, GPC_BCAST(0x098c), data[3]);
  97
  98         for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
  99                 nvkm_wr32(device, GPC_UNIT(gpc, 0x0914),
 100                           gr->screen_tile_row_offset << 8 | gr->tpc_nr[gpc]);
 101                 nvkm_wr32(device, GPC_UNIT(gpc, 0x0910), 0x00040000 |
 102                                                          gr->tpc_total);
 103                 nvkm_wr32(device, GPC_UNIT(gpc, 0x0918), magicgpc918);
 104         }
 105
 106         nvkm_wr32(device, GPC_BCAST(0x3fd4), magicgpc918);
 107         nvkm_wr32(device, GPC_BCAST(0x08ac), nvkm_rd32(device, 0x100800));
 108         nvkm_wr32(device, GPC_BCAST(0x033c), nvkm_rd32(device, 0x100804));
 109
 110         gr->func->init_rop_active_fbps(gr);
 111
 112         nvkm_wr32(device, 0x400500, 0x00010001);
 113         nvkm_wr32(device, 0x400100, 0xffffffff);
 114         nvkm_wr32(device, 0x40013c, 0xffffffff);
 115         nvkm_wr32(device, 0x400124, 0x00000002);
 116         nvkm_wr32(device, 0x409c24, 0x000e0000);
 117         nvkm_wr32(device, 0x405848, 0xc0000000);
 118         nvkm_wr32(device, 0x40584c, 0x00000001);
 119         nvkm_wr32(device, 0x404000, 0xc0000000);
 120         nvkm_wr32(device, 0x404600, 0xc0000000);
 121         nvkm_wr32(device, 0x408030, 0xc0000000);
 122         nvkm_wr32(device, 0x404490, 0xc0000000);
 123         nvkm_wr32(device, 0x406018, 0xc0000000);
 124         nvkm_wr32(device, 0x407020, 0x40000000);
 125         nvkm_wr32(device, 0x405840, 0xc0000000);
 126         nvkm_wr32(device, 0x405844, 0x00ffffff);
 127         nvkm_mask(device, 0x419cc0, 0x00000008, 0x00000008);
 128
 129         gr->func->init_ppc_exceptions(gr);
 130
 131         for (gpc = 0; gpc < gr->gpc_nr; gpc++) {
 132                 nvkm_wr32(device, GPC_UNIT(gpc, 0x0420), 0xc0000000);
 133                 nvkm_wr32(device, GPC_UNIT(gpc, 0x0900), 0xc0000000);
 134                 nvkm_wr32(device, GPC_UNIT(gpc, 0x1028), 0xc0000000);
 135                 nvkm_wr32(device, GPC_UNIT(gpc, 0x0824), 0xc0000000);
 136                 for (tpc = 0; tpc < gr->tpc_nr[gpc]; tpc++) {
 137                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x508), 0xffffffff);
 138                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x50c), 0xffffffff);
 139                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x224), 0xc0000000);
 140                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x48c), 0xc0000000);
 141                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x084), 0xc0000000);
 142                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x430), 0xc0000000);
 143                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x644), 0x00dffffe);
 144                         nvkm_wr32(device, TPC_UNIT(gpc, tpc, 0x64c), 0x00000005);
 145                 }
 146                 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c90), 0xffffffff);
 147                 nvkm_wr32(device, GPC_UNIT(gpc, 0x2c94), 0xffffffff);
 148         }
 149
 150         for (rop = 0; rop < gr->rop_nr; rop++) {
 151                 nvkm_wr32(device, ROP_UNIT(rop, 0x144), 0x40000000);
 152                 nvkm_wr32(device, ROP_UNIT(rop, 0x070), 0x40000000);
 153                 nvkm_wr32(device, ROP_UNIT(rop, 0x204), 0xffffffff);
 154                 nvkm_wr32(device, ROP_UNIT(rop, 0x208), 0xffffffff);
 155         }
 156
 157         nvkm_wr32(device, 0x400108, 0xffffffff);
 158         nvkm_wr32(device, 0x400138, 0xffffffff);
 159         nvkm_wr32(device, 0x400118, 0xffffffff);
 160         nvkm_wr32(device, 0x400130, 0xffffffff);
 161         nvkm_wr32(device, 0x40011c, 0xffffffff);
 162         nvkm_wr32(device, 0x400134, 0xffffffff);
 163
 164         nvkm_wr32(device, 0x400054, 0x2c350f63);
 165
 166         gf100_gr_zbc_init(gr);
 167
 168         return gf100_gr_init_ctxctl(gr);
 169 }
 170
 171 int
 172 gm200_gr_new_(const struct gf100_gr_func *func, struct nvkm_device *device,
 173               int index, struct nvkm_gr **pgr)
 174 {
 175         struct gf100_gr *gr;
 176         int ret;
 177
 178         if (!(gr = kzalloc(sizeof(*gr), GFP_KERNEL)))
 179                 return -ENOMEM;
 180         *pgr = &gr->base;
 181
 182         ret = gf100_gr_ctor(func, device, index, gr);
 183         if (ret)
 184                 return ret;
 185
 186         /* Load firmwares for non-secure falcons */
 187         if (!nvkm_secboot_is_managed(device->secboot,
 188                                      NVKM_SECBOOT_FALCON_FECS)) {
 189                 if ((ret = gf100_gr_ctor_fw(gr, "gr/fecs_inst", &gr->fuc409c)) ||
 190                     (ret = gf100_gr_ctor_fw(gr, "gr/fecs_data", &gr->fuc409d)))
 191                         return ret;
 192         }
 193         if (!nvkm_secboot_is_managed(device->secboot,
 194                                      NVKM_SECBOOT_FALCON_GPCCS)) {
 195                 if ((ret = gf100_gr_ctor_fw(gr, "gr/gpccs_inst", &gr->fuc41ac)) ||
 196                     (ret = gf100_gr_ctor_fw(gr, "gr/gpccs_data", &gr->fuc41ad)))
 197                         return ret;
 198         }
 199
 200         if ((ret = gk20a_gr_av_to_init(gr, "gr/sw_nonctx", &gr->fuc_sw_nonctx)) ||
 201             (ret = gk20a_gr_aiv_to_init(gr, "gr/sw_ctx", &gr->fuc_sw_ctx)) ||
 202             (ret = gk20a_gr_av_to_init(gr, "gr/sw_bundle_init", &gr->fuc_bundle)) ||
 203             (ret = gk20a_gr_av_to_method(gr, "gr/sw_method_init", &gr->fuc_method)))
 204                 return ret;
 205
 206         return 0;
 207 }
 208
 209 static const struct gf100_gr_func
 210 gm200_gr = {
 211         .init = gm200_gr_init,
 212         .init_gpc_mmu = gm200_gr_init_gpc_mmu,
 213         .init_rop_active_fbps = gm200_gr_init_rop_active_fbps,
 214         .init_ppc_exceptions = gk104_gr_init_ppc_exceptions,
 215         .rops = gm200_gr_rops,
 216         .ppc_nr = 2,
 217         .grctx = &gm200_grctx,
 218         .sclass = {
 219                 { -1, -1, FERMI_TWOD_A },
 220                 { -1, -1, KEPLER_INLINE_TO_MEMORY_B },
 221                 { -1, -1, MAXWELL_B, &gf100_fermi },
 222                 { -1, -1, MAXWELL_COMPUTE_B },
 223                 {}
 224         }
 225 };
 226
 227 int
 228 gm200_gr_new(struct nvkm_device *device, int index, struct nvkm_gr **pgr)
 229 {
 230         return gm200_gr_new_(&gm200_gr, device, index, pgr);
 231 }