LXR linux/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c

   1/*
   2 * Copyright 2013 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#define gf100_ram(p) container_of((p), struct gf100_ram, base)
  25#include "ram.h"
  26#include "ramfuc.h"
  27
  28#include <core/option.h>
  29#include <subdev/bios.h>
  30#include <subdev/bios/pll.h>
  31#include <subdev/bios/rammap.h>
  32#include <subdev/bios/timing.h>
  33#include <subdev/clk.h>
  34#include <subdev/clk/pll.h>
  35
  36struct gf100_ramfuc {
  37        struct ramfuc base;
  38
  39        struct ramfuc_reg r_0x10fe20;
  40        struct ramfuc_reg r_0x10fe24;
  41        struct ramfuc_reg r_0x137320;
  42        struct ramfuc_reg r_0x137330;
  43
  44        struct ramfuc_reg r_0x132000;
  45        struct ramfuc_reg r_0x132004;
  46        struct ramfuc_reg r_0x132100;
  47
  48        struct ramfuc_reg r_0x137390;
  49
  50        struct ramfuc_reg r_0x10f290;
  51        struct ramfuc_reg r_0x10f294;
  52        struct ramfuc_reg r_0x10f298;
  53        struct ramfuc_reg r_0x10f29c;
  54        struct ramfuc_reg r_0x10f2a0;
  55
  56        struct ramfuc_reg r_0x10f300;
  57        struct ramfuc_reg r_0x10f338;
  58        struct ramfuc_reg r_0x10f340;
  59        struct ramfuc_reg r_0x10f344;
  60        struct ramfuc_reg r_0x10f348;
  61
  62        struct ramfuc_reg r_0x10f910;
  63        struct ramfuc_reg r_0x10f914;
  64
  65        struct ramfuc_reg r_0x100b0c;
  66        struct ramfuc_reg r_0x10f050;
  67        struct ramfuc_reg r_0x10f090;
  68        struct ramfuc_reg r_0x10f200;
  69        struct ramfuc_reg r_0x10f210;
  70        struct ramfuc_reg r_0x10f310;
  71        struct ramfuc_reg r_0x10f314;
  72        struct ramfuc_reg r_0x10f610;
  73        struct ramfuc_reg r_0x10f614;
  74        struct ramfuc_reg r_0x10f800;
  75        struct ramfuc_reg r_0x10f808;
  76        struct ramfuc_reg r_0x10f824;
  77        struct ramfuc_reg r_0x10f830;
  78        struct ramfuc_reg r_0x10f988;
  79        struct ramfuc_reg r_0x10f98c;
  80        struct ramfuc_reg r_0x10f990;
  81        struct ramfuc_reg r_0x10f998;
  82        struct ramfuc_reg r_0x10f9b0;
  83        struct ramfuc_reg r_0x10f9b4;
  84        struct ramfuc_reg r_0x10fb04;
  85        struct ramfuc_reg r_0x10fb08;
  86        struct ramfuc_reg r_0x137300;
  87        struct ramfuc_reg r_0x137310;
  88        struct ramfuc_reg r_0x137360;
  89        struct ramfuc_reg r_0x1373ec;
  90        struct ramfuc_reg r_0x1373f0;
  91        struct ramfuc_reg r_0x1373f8;
  92
  93        struct ramfuc_reg r_0x61c140;
  94        struct ramfuc_reg r_0x611200;
  95
  96        struct ramfuc_reg r_0x13d8f4;
  97};
  98
  99struct gf100_ram {
 100        struct nvkm_ram base;
 101        struct gf100_ramfuc fuc;
 102        struct nvbios_pll refpll;
 103        struct nvbios_pll mempll;
 104};
 105
 106static void
 107gf100_ram_train(struct gf100_ramfuc *fuc, u32 magic)
 108{
 109        struct gf100_ram *ram = container_of(fuc, typeof(*ram), fuc);
 110        struct nvkm_fb *fb = ram->base.fb;
 111        struct nvkm_device *device = fb->subdev.device;
 112        u32 part = nvkm_rd32(device, 0x022438), i;
 113        u32 mask = nvkm_rd32(device, 0x022554);
 114        u32 addr = 0x110974;
 115
 116        ram_wr32(fuc, 0x10f910, magic);
 117        ram_wr32(fuc, 0x10f914, magic);
 118
 119        for (i = 0; (magic & 0x80000000) && i < part; addr += 0x1000, i++) {
 120                if (mask & (1 << i))
 121                        continue;
 122                ram_wait(fuc, addr, 0x0000000f, 0x00000000, 500000);
 123        }
 124}
 125
 126int
 127gf100_ram_calc(struct nvkm_ram *base, u32 freq)
 128{
 129        struct gf100_ram *ram = gf100_ram(base);
 130        struct gf100_ramfuc *fuc = &ram->fuc;
 131        struct nvkm_subdev *subdev = &ram->base.fb->subdev;
 132        struct nvkm_device *device = subdev->device;
 133        struct nvkm_clk *clk = device->clk;
 134        struct nvkm_bios *bios = device->bios;
 135        struct nvbios_ramcfg cfg;
 136        u8  ver, cnt, len, strap;
 137        struct {
 138                u32 data;
 139                u8  size;
 140        } rammap, ramcfg, timing;
 141        int ref, div, out;
 142        int from, mode;
 143        int N1, M1, P;
 144        int ret;
 145
 146        /* lookup memory config data relevant to the target frequency */
 147        rammap.data = nvbios_rammapEm(bios, freq / 1000, &ver, &rammap.size,
 148                                      &cnt, &ramcfg.size, &cfg);
 149        if (!rammap.data || ver != 0x10 || rammap.size < 0x0e) {
 150                nvkm_error(subdev, "invalid/missing rammap entry\n");
 151                return -EINVAL;
 152        }
 153
 154        /* locate specific data set for the attached memory */
 155        strap = nvbios_ramcfg_index(subdev);
 156        if (strap >= cnt) {
 157                nvkm_error(subdev, "invalid ramcfg strap\n");
 158                return -EINVAL;
 159        }
 160
 161        ramcfg.data = rammap.data + rammap.size + (strap * ramcfg.size);
 162        if (!ramcfg.data || ver != 0x10 || ramcfg.size < 0x0e) {
 163                nvkm_error(subdev, "invalid/missing ramcfg entry\n");
 164                return -EINVAL;
 165        }
 166
 167        /* lookup memory timings, if bios says they're present */
 168        strap = nvbios_rd08(bios, ramcfg.data + 0x01);
 169        if (strap != 0xff) {
 170                timing.data = nvbios_timingEe(bios, strap, &ver, &timing.size,
 171                                              &cnt, &len);
 172                if (!timing.data || ver != 0x10 || timing.size < 0x19) {
 173                        nvkm_error(subdev, "invalid/missing timing entry\n");
 174                        return -EINVAL;
 175                }
 176        } else {
 177                timing.data = 0;
 178        }
 179
 180        ret = ram_init(fuc, ram->base.fb);
 181        if (ret)
 182                return ret;
 183
 184        /* determine current mclk configuration */
 185        from = !!(ram_rd32(fuc, 0x1373f0) & 0x00000002); /*XXX: ok? */
 186
 187        /* determine target mclk configuration */
 188        if (!(ram_rd32(fuc, 0x137300) & 0x00000100))
 189                ref = nvkm_clk_read(clk, nv_clk_src_sppll0);
 190        else
 191                ref = nvkm_clk_read(clk, nv_clk_src_sppll1);
 192        div = max(min((ref * 2) / freq, (u32)65), (u32)2) - 2;
 193        out = (ref * 2) / (div + 2);
 194        mode = freq != out;
 195
 196        ram_mask(fuc, 0x137360, 0x00000002, 0x00000000);
 197
 198        if ((ram_rd32(fuc, 0x132000) & 0x00000002) || 0 /*XXX*/) {
 199                ram_nuke(fuc, 0x132000);
 200                ram_mask(fuc, 0x132000, 0x00000002, 0x00000002);
 201                ram_mask(fuc, 0x132000, 0x00000002, 0x00000000);
 202        }
 203
 204        if (mode == 1) {
 205                ram_nuke(fuc, 0x10fe20);
 206                ram_mask(fuc, 0x10fe20, 0x00000002, 0x00000002);
 207                ram_mask(fuc, 0x10fe20, 0x00000002, 0x00000000);
 208        }
 209
 210// 0x00020034 // 0x0000000a
 211        ram_wr32(fuc, 0x132100, 0x00000001);
 212
 213        if (mode == 1 && from == 0) {
 214                /* calculate refpll */
 215                ret = gt215_pll_calc(subdev, &ram->refpll, ram->mempll.refclk,
 216                                     &N1, NULL, &M1, &P);
 217                if (ret <= 0) {
 218                        nvkm_error(subdev, "unable to calc refpll\n");
 219                        return ret ? ret : -ERANGE;
 220                }
 221
 222                ram_wr32(fuc, 0x10fe20, 0x20010000);
 223                ram_wr32(fuc, 0x137320, 0x00000003);
 224                ram_wr32(fuc, 0x137330, 0x81200006);
 225                ram_wr32(fuc, 0x10fe24, (P << 16) | (N1 << 8) | M1);
 226                ram_wr32(fuc, 0x10fe20, 0x20010001);
 227                ram_wait(fuc, 0x137390, 0x00020000, 0x00020000, 64000);
 228
 229                /* calculate mempll */
 230                ret = gt215_pll_calc(subdev, &ram->mempll, freq,
 231                                     &N1, NULL, &M1, &P);
 232                if (ret <= 0) {
 233                        nvkm_error(subdev, "unable to calc refpll\n");
 234                        return ret ? ret : -ERANGE;
 235                }
 236
 237                ram_wr32(fuc, 0x10fe20, 0x20010005);
 238                ram_wr32(fuc, 0x132004, (P << 16) | (N1 << 8) | M1);
 239                ram_wr32(fuc, 0x132000, 0x18010101);
 240                ram_wait(fuc, 0x137390, 0x00000002, 0x00000002, 64000);
 241        } else
 242        if (mode == 0) {
 243                ram_wr32(fuc, 0x137300, 0x00000003);
 244        }
 245
 246        if (from == 0) {
 247                ram_nuke(fuc, 0x10fb04);
 248                ram_mask(fuc, 0x10fb04, 0x0000ffff, 0x00000000);
 249                ram_nuke(fuc, 0x10fb08);
 250                ram_mask(fuc, 0x10fb08, 0x0000ffff, 0x00000000);
 251                ram_wr32(fuc, 0x10f988, 0x2004ff00);
 252                ram_wr32(fuc, 0x10f98c, 0x003fc040);
 253                ram_wr32(fuc, 0x10f990, 0x20012001);
 254                ram_wr32(fuc, 0x10f998, 0x00011a00);
 255                ram_wr32(fuc, 0x13d8f4, 0x00000000);
 256        } else {
 257                ram_wr32(fuc, 0x10f988, 0x20010000);
 258                ram_wr32(fuc, 0x10f98c, 0x00000000);
 259                ram_wr32(fuc, 0x10f990, 0x20012001);
 260                ram_wr32(fuc, 0x10f998, 0x00010a00);
 261        }
 262
 263        if (from == 0) {
 264// 0x00020039 // 0x000000ba
 265        }
 266
 267// 0x0002003a // 0x00000002
 268        ram_wr32(fuc, 0x100b0c, 0x00080012);
 269// 0x00030014 // 0x00000000 // 0x02b5f070
 270// 0x00030014 // 0x00010000 // 0x02b5f070
 271        ram_wr32(fuc, 0x611200, 0x00003300);
 272// 0x00020034 // 0x0000000a
 273// 0x00030020 // 0x00000001 // 0x00000000
 274
 275        ram_mask(fuc, 0x10f200, 0x00000800, 0x00000000);
 276        ram_wr32(fuc, 0x10f210, 0x00000000);
 277        ram_nsec(fuc, 1000);
 278        if (mode == 0)
 279                gf100_ram_train(fuc, 0x000c1001);
 280        ram_wr32(fuc, 0x10f310, 0x00000001);
 281        ram_nsec(fuc, 1000);
 282        ram_wr32(fuc, 0x10f090, 0x00000061);
 283        ram_wr32(fuc, 0x10f090, 0xc000007f);
 284        ram_nsec(fuc, 1000);
 285
 286        if (from == 0) {
 287                ram_wr32(fuc, 0x10f824, 0x00007fd4);
 288        } else {
 289                ram_wr32(fuc, 0x1373ec, 0x00020404);
 290        }
 291
 292        if (mode == 0) {
 293                ram_mask(fuc, 0x10f808, 0x00080000, 0x00000000);
 294                ram_mask(fuc, 0x10f200, 0x00008000, 0x00008000);
 295                ram_wr32(fuc, 0x10f830, 0x41500010);
 296                ram_mask(fuc, 0x10f830, 0x01000000, 0x00000000);
 297                ram_mask(fuc, 0x132100, 0x00000100, 0x00000100);
 298                ram_wr32(fuc, 0x10f050, 0xff000090);
 299                ram_wr32(fuc, 0x1373ec, 0x00020f0f);
 300                ram_wr32(fuc, 0x1373f0, 0x00000003);
 301                ram_wr32(fuc, 0x137310, 0x81201616);
 302                ram_wr32(fuc, 0x132100, 0x00000001);
 303// 0x00020039 // 0x000000ba
 304                ram_wr32(fuc, 0x10f830, 0x00300017);
 305                ram_wr32(fuc, 0x1373f0, 0x00000001);
 306                ram_wr32(fuc, 0x10f824, 0x00007e77);
 307                ram_wr32(fuc, 0x132000, 0x18030001);
 308                ram_wr32(fuc, 0x10f090, 0x4000007e);
 309                ram_nsec(fuc, 2000);
 310                ram_wr32(fuc, 0x10f314, 0x00000001);
 311                ram_wr32(fuc, 0x10f210, 0x80000000);
 312                ram_wr32(fuc, 0x10f338, 0x00300220);
 313                ram_wr32(fuc, 0x10f300, 0x0000011d);
 314                ram_nsec(fuc, 1000);
 315                ram_wr32(fuc, 0x10f290, 0x02060505);
 316                ram_wr32(fuc, 0x10f294, 0x34208288);
 317                ram_wr32(fuc, 0x10f298, 0x44050411);
 318                ram_wr32(fuc, 0x10f29c, 0x0000114c);
 319                ram_wr32(fuc, 0x10f2a0, 0x42e10069);
 320                ram_wr32(fuc, 0x10f614, 0x40044f77);
 321                ram_wr32(fuc, 0x10f610, 0x40044f77);
 322                ram_wr32(fuc, 0x10f344, 0x00600009);
 323                ram_nsec(fuc, 1000);
 324                ram_wr32(fuc, 0x10f348, 0x00700008);
 325                ram_wr32(fuc, 0x61c140, 0x19240000);
 326                ram_wr32(fuc, 0x10f830, 0x00300017);
 327                gf100_ram_train(fuc, 0x80021001);
 328                gf100_ram_train(fuc, 0x80081001);
 329                ram_wr32(fuc, 0x10f340, 0x00500004);
 330                ram_nsec(fuc, 1000);
 331                ram_wr32(fuc, 0x10f830, 0x01300017);
 332                ram_wr32(fuc, 0x10f830, 0x00300017);
 333// 0x00030020 // 0x00000000 // 0x00000000
 334// 0x00020034 // 0x0000000b
 335                ram_wr32(fuc, 0x100b0c, 0x00080028);
 336                ram_wr32(fuc, 0x611200, 0x00003330);
 337        } else {
 338                ram_wr32(fuc, 0x10f800, 0x00001800);
 339                ram_wr32(fuc, 0x13d8f4, 0x00000000);
 340                ram_wr32(fuc, 0x1373ec, 0x00020404);
 341                ram_wr32(fuc, 0x1373f0, 0x00000003);
 342                ram_wr32(fuc, 0x10f830, 0x40700010);
 343                ram_wr32(fuc, 0x10f830, 0x40500010);
 344                ram_wr32(fuc, 0x13d8f4, 0x00000000);
 345                ram_wr32(fuc, 0x1373f8, 0x00000000);
 346                ram_wr32(fuc, 0x132100, 0x00000101);
 347                ram_wr32(fuc, 0x137310, 0x89201616);
 348                ram_wr32(fuc, 0x10f050, 0xff000090);
 349                ram_wr32(fuc, 0x1373ec, 0x00030404);
 350                ram_wr32(fuc, 0x1373f0, 0x00000002);
 351        // 0x00020039 // 0x00000011
 352                ram_wr32(fuc, 0x132100, 0x00000001);
 353                ram_wr32(fuc, 0x1373f8, 0x00002000);
 354                ram_nsec(fuc, 2000);
 355                ram_wr32(fuc, 0x10f808, 0x7aaa0050);
 356                ram_wr32(fuc, 0x10f830, 0x00500010);
 357                ram_wr32(fuc, 0x10f200, 0x00ce1000);
 358                ram_wr32(fuc, 0x10f090, 0x4000007e);
 359                ram_nsec(fuc, 2000);
 360                ram_wr32(fuc, 0x10f314, 0x00000001);
 361                ram_wr32(fuc, 0x10f210, 0x80000000);
 362                ram_wr32(fuc, 0x10f338, 0x00300200);
 363                ram_wr32(fuc, 0x10f300, 0x0000084d);
 364                ram_nsec(fuc, 1000);
 365                ram_wr32(fuc, 0x10f290, 0x0b343825);
 366                ram_wr32(fuc, 0x10f294, 0x3483028e);
 367                ram_wr32(fuc, 0x10f298, 0x440c0600);
 368                ram_wr32(fuc, 0x10f29c, 0x0000214c);
 369                ram_wr32(fuc, 0x10f2a0, 0x42e20069);
 370                ram_wr32(fuc, 0x10f200, 0x00ce0000);
 371                ram_wr32(fuc, 0x10f614, 0x60044e77);
 372                ram_wr32(fuc, 0x10f610, 0x60044e77);
 373                ram_wr32(fuc, 0x10f340, 0x00500000);
 374                ram_nsec(fuc, 1000);
 375                ram_wr32(fuc, 0x10f344, 0x00600228);
 376                ram_nsec(fuc, 1000);
 377                ram_wr32(fuc, 0x10f348, 0x00700000);
 378                ram_wr32(fuc, 0x13d8f4, 0x00000000);
 379                ram_wr32(fuc, 0x61c140, 0x09a40000);
 380
 381                gf100_ram_train(fuc, 0x800e1008);
 382
 383                ram_nsec(fuc, 1000);
 384                ram_wr32(fuc, 0x10f800, 0x00001804);
 385        // 0x00030020 // 0x00000000 // 0x00000000
 386        // 0x00020034 // 0x0000000b
 387                ram_wr32(fuc, 0x13d8f4, 0x00000000);
 388                ram_wr32(fuc, 0x100b0c, 0x00080028);
 389                ram_wr32(fuc, 0x611200, 0x00003330);
 390                ram_nsec(fuc, 100000);
 391                ram_wr32(fuc, 0x10f9b0, 0x05313f41);
 392                ram_wr32(fuc, 0x10f9b4, 0x00002f50);
 393
 394                gf100_ram_train(fuc, 0x010c1001);
 395        }
 396
 397        ram_mask(fuc, 0x10f200, 0x00000800, 0x00000800);
 398// 0x00020016 // 0x00000000
 399
 400        if (mode == 0)
 401                ram_mask(fuc, 0x132000, 0x00000001, 0x00000000);
 402
 403        return 0;
 404}
 405
 406int
 407gf100_ram_prog(struct nvkm_ram *base)
 408{
 409        struct gf100_ram *ram = gf100_ram(base);
 410        struct nvkm_device *device = ram->base.fb->subdev.device;
 411        ram_exec(&ram->fuc, nvkm_boolopt(device->cfgopt, "NvMemExec", true));
 412        return 0;
 413}
 414
 415void
 416gf100_ram_tidy(struct nvkm_ram *base)
 417{
 418        struct gf100_ram *ram = gf100_ram(base);
 419        ram_exec(&ram->fuc, false);
 420}
 421
 422int
 423gf100_ram_init(struct nvkm_ram *base)
 424{
 425        static const u8  train0[] = {
 426                0x00, 0xff, 0x55, 0xaa, 0x33, 0xcc,
 427                0x00, 0xff, 0xff, 0x00, 0xff, 0x00,
 428        };
 429        static const u32 train1[] = {
 430                0x00000000, 0xffffffff,
 431                0x55555555, 0xaaaaaaaa,
 432                0x33333333, 0xcccccccc,
 433                0xf0f0f0f0, 0x0f0f0f0f,
 434                0x00ff00ff, 0xff00ff00,
 435                0x0000ffff, 0xffff0000,
 436        };
 437        struct gf100_ram *ram = gf100_ram(base);
 438        struct nvkm_device *device = ram->base.fb->subdev.device;
 439        int i;
 440
 441        switch (ram->base.type) {
 442        case NVKM_RAM_TYPE_GDDR5:
 443                break;
 444        default:
 445                return 0;
 446        }
 447
 448        /* prepare for ddr link training, and load training patterns */
 449        for (i = 0; i < 0x30; i++) {
 450                nvkm_wr32(device, 0x10f968, 0x00000000 | (i << 8));
 451                nvkm_wr32(device, 0x10f96c, 0x00000000 | (i << 8));
 452                nvkm_wr32(device, 0x10f920, 0x00000100 | train0[i % 12]);
 453                nvkm_wr32(device, 0x10f924, 0x00000100 | train0[i % 12]);
 454                nvkm_wr32(device, 0x10f918,              train1[i % 12]);
 455                nvkm_wr32(device, 0x10f91c,              train1[i % 12]);
 456                nvkm_wr32(device, 0x10f920, 0x00000000 | train0[i % 12]);
 457                nvkm_wr32(device, 0x10f924, 0x00000000 | train0[i % 12]);
 458                nvkm_wr32(device, 0x10f918,              train1[i % 12]);
 459                nvkm_wr32(device, 0x10f91c,              train1[i % 12]);
 460        }
 461
 462        return 0;
 463}
 464
 465u32
 466gf100_ram_probe_fbpa_amount(struct nvkm_device *device, int fbpa)
 467{
 468        return nvkm_rd32(device, 0x11020c + (fbpa * 0x1000));
 469}
 470
 471u32
 472gf100_ram_probe_fbp_amount(const struct nvkm_ram_func *func, u32 fbpao,
 473                           struct nvkm_device *device, int fbp, int *pltcs)
 474{
 475        if (!(fbpao & BIT(fbp))) {
 476                *pltcs = 1;
 477                return func->probe_fbpa_amount(device, fbp);
 478        }
 479        return 0;
 480}
 481
 482u32
 483gf100_ram_probe_fbp(const struct nvkm_ram_func *func,
 484                    struct nvkm_device *device, int fbp, int *pltcs)
 485{
 486        u32 fbpao = nvkm_rd32(device, 0x022554);
 487        return func->probe_fbp_amount(func, fbpao, device, fbp, pltcs);
 488}
 489
 490int
 491gf100_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
 492               struct nvkm_ram *ram)
 493{
 494        struct nvkm_subdev *subdev = &fb->subdev;
 495        struct nvkm_device *device = subdev->device;
 496        struct nvkm_bios *bios = device->bios;
 497        const u32 rsvd_head = ( 256 * 1024); /* vga memory */
 498        const u32 rsvd_tail = (1024 * 1024); /* vbios etc */
 499        enum nvkm_ram_type type = nvkm_fb_bios_memtype(bios);
 500        u32 fbps = nvkm_rd32(device, 0x022438);
 501        u64 total = 0, lcomm = ~0, lower, ubase, usize;
 502        int ret, fbp, ltcs, ltcn = 0;
 503
 504        nvkm_debug(subdev, "%d FBP(s)\n", fbps);
 505        for (fbp = 0; fbp < fbps; fbp++) {
 506                u32 size = func->probe_fbp(func, device, fbp, &ltcs);
 507                if (size) {
 508                        nvkm_debug(subdev, "FBP %d: %4d MiB, %d LTC(s)\n",
 509                                   fbp, size, ltcs);
 510                        lcomm  = min(lcomm, (u64)(size / ltcs) << 20);
 511                        total += (u64) size << 20;
 512                        ltcn  += ltcs;
 513                } else {
 514                        nvkm_debug(subdev, "FBP %d: disabled\n", fbp);
 515                }
 516        }
 517
 518        lower = lcomm * ltcn;
 519        ubase = lcomm + func->upper;
 520        usize = total - lower;
 521
 522        nvkm_debug(subdev, "Lower: %4lld MiB @ %010llx\n", lower >> 20, 0ULL);
 523        nvkm_debug(subdev, "Upper: %4lld MiB @ %010llx\n", usize >> 20, ubase);
 524        nvkm_debug(subdev, "Total: %4lld MiB\n", total >> 20);
 525
 526        ret = nvkm_ram_ctor(func, fb, type, total, ram);
 527        if (ret)
 528                return ret;
 529
 530        nvkm_mm_fini(&ram->vram);
 531
 532        /* Some GPUs are in what's known as a "mixed memory" configuration.
 533         *
 534         * This is either where some FBPs have more memory than the others,
 535         * or where LTCs have been disabled on a FBP.
 536         */
 537        if (lower != total) {
 538                /* The common memory amount is addressed normally. */
 539                ret = nvkm_mm_init(&ram->vram, NVKM_RAM_MM_NORMAL,
 540                                   rsvd_head >> NVKM_RAM_MM_SHIFT,
 541                                   (lower - rsvd_head) >> NVKM_RAM_MM_SHIFT, 1);
 542                if (ret)
 543                        return ret;
 544
 545                /* And the rest is much higher in the physical address
 546                 * space, and may not be usable for certain operations.
 547                 */
 548                ret = nvkm_mm_init(&ram->vram, NVKM_RAM_MM_MIXED,
 549                                   ubase >> NVKM_RAM_MM_SHIFT,
 550                                   (usize - rsvd_tail) >> NVKM_RAM_MM_SHIFT, 1);
 551                if (ret)
 552                        return ret;
 553        } else {
 554                /* GPUs without mixed-memory are a lot nicer... */
 555                ret = nvkm_mm_init(&ram->vram, NVKM_RAM_MM_NORMAL,
 556                                   rsvd_head >> NVKM_RAM_MM_SHIFT,
 557                                   (total - rsvd_head - rsvd_tail) >>
 558                                   NVKM_RAM_MM_SHIFT, 1);
 559                if (ret)
 560                        return ret;
 561        }
 562
 563        return 0;
 564}
 565
 566int
 567gf100_ram_new_(const struct nvkm_ram_func *func,
 568               struct nvkm_fb *fb, struct nvkm_ram **pram)
 569{
 570        struct nvkm_subdev *subdev = &fb->subdev;
 571        struct nvkm_bios *bios = subdev->device->bios;
 572        struct gf100_ram *ram;
 573        int ret;
 574
 575        if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
 576                return -ENOMEM;
 577        *pram = &ram->base;
 578
 579        ret = gf100_ram_ctor(func, fb, &ram->base);
 580        if (ret)
 581                return ret;
 582
 583        ret = nvbios_pll_parse(bios, 0x0c, &ram->refpll);
 584        if (ret) {
 585                nvkm_error(subdev, "mclk refpll data not found\n");
 586                return ret;
 587        }
 588
 589        ret = nvbios_pll_parse(bios, 0x04, &ram->mempll);
 590        if (ret) {
 591                nvkm_error(subdev, "mclk pll data not found\n");
 592                return ret;
 593        }
 594
 595        ram->fuc.r_0x10fe20 = ramfuc_reg(0x10fe20);
 596        ram->fuc.r_0x10fe24 = ramfuc_reg(0x10fe24);
 597        ram->fuc.r_0x137320 = ramfuc_reg(0x137320);
 598        ram->fuc.r_0x137330 = ramfuc_reg(0x137330);
 599
 600        ram->fuc.r_0x132000 = ramfuc_reg(0x132000);
 601        ram->fuc.r_0x132004 = ramfuc_reg(0x132004);
 602        ram->fuc.r_0x132100 = ramfuc_reg(0x132100);
 603
 604        ram->fuc.r_0x137390 = ramfuc_reg(0x137390);
 605
 606        ram->fuc.r_0x10f290 = ramfuc_reg(0x10f290);
 607        ram->fuc.r_0x10f294 = ramfuc_reg(0x10f294);
 608        ram->fuc.r_0x10f298 = ramfuc_reg(0x10f298);
 609        ram->fuc.r_0x10f29c = ramfuc_reg(0x10f29c);
 610        ram->fuc.r_0x10f2a0 = ramfuc_reg(0x10f2a0);
 611
 612        ram->fuc.r_0x10f300 = ramfuc_reg(0x10f300);
 613        ram->fuc.r_0x10f338 = ramfuc_reg(0x10f338);
 614        ram->fuc.r_0x10f340 = ramfuc_reg(0x10f340);
 615        ram->fuc.r_0x10f344 = ramfuc_reg(0x10f344);
 616        ram->fuc.r_0x10f348 = ramfuc_reg(0x10f348);
 617
 618        ram->fuc.r_0x10f910 = ramfuc_reg(0x10f910);
 619        ram->fuc.r_0x10f914 = ramfuc_reg(0x10f914);
 620
 621        ram->fuc.r_0x100b0c = ramfuc_reg(0x100b0c);
 622        ram->fuc.r_0x10f050 = ramfuc_reg(0x10f050);
 623        ram->fuc.r_0x10f090 = ramfuc_reg(0x10f090);
 624        ram->fuc.r_0x10f200 = ramfuc_reg(0x10f200);
 625        ram->fuc.r_0x10f210 = ramfuc_reg(0x10f210);
 626        ram->fuc.r_0x10f310 = ramfuc_reg(0x10f310);
 627        ram->fuc.r_0x10f314 = ramfuc_reg(0x10f314);
 628        ram->fuc.r_0x10f610 = ramfuc_reg(0x10f610);
 629        ram->fuc.r_0x10f614 = ramfuc_reg(0x10f614);
 630        ram->fuc.r_0x10f800 = ramfuc_reg(0x10f800);
 631        ram->fuc.r_0x10f808 = ramfuc_reg(0x10f808);
 632        ram->fuc.r_0x10f824 = ramfuc_reg(0x10f824);
 633        ram->fuc.r_0x10f830 = ramfuc_reg(0x10f830);
 634        ram->fuc.r_0x10f988 = ramfuc_reg(0x10f988);
 635        ram->fuc.r_0x10f98c = ramfuc_reg(0x10f98c);
 636        ram->fuc.r_0x10f990 = ramfuc_reg(0x10f990);
 637        ram->fuc.r_0x10f998 = ramfuc_reg(0x10f998);
 638        ram->fuc.r_0x10f9b0 = ramfuc_reg(0x10f9b0);
 639        ram->fuc.r_0x10f9b4 = ramfuc_reg(0x10f9b4);
 640        ram->fuc.r_0x10fb04 = ramfuc_reg(0x10fb04);
 641        ram->fuc.r_0x10fb08 = ramfuc_reg(0x10fb08);
 642        ram->fuc.r_0x137310 = ramfuc_reg(0x137300);
 643        ram->fuc.r_0x137310 = ramfuc_reg(0x137310);
 644        ram->fuc.r_0x137360 = ramfuc_reg(0x137360);
 645        ram->fuc.r_0x1373ec = ramfuc_reg(0x1373ec);
 646        ram->fuc.r_0x1373f0 = ramfuc_reg(0x1373f0);
 647        ram->fuc.r_0x1373f8 = ramfuc_reg(0x1373f8);
 648
 649        ram->fuc.r_0x61c140 = ramfuc_reg(0x61c140);
 650        ram->fuc.r_0x611200 = ramfuc_reg(0x611200);
 651
 652        ram->fuc.r_0x13d8f4 = ramfuc_reg(0x13d8f4);
 653        return 0;
 654}
 655
 656static const struct nvkm_ram_func
 657gf100_ram = {
 658        .upper = 0x0200000000,
 659        .probe_fbp = gf100_ram_probe_fbp,
 660        .probe_fbp_amount = gf100_ram_probe_fbp_amount,
 661        .probe_fbpa_amount = gf100_ram_probe_fbpa_amount,
 662        .init = gf100_ram_init,
 663        .calc = gf100_ram_calc,
 664        .prog = gf100_ram_prog,
 665        .tidy = gf100_ram_tidy,
 666};
 667
 668int
 669gf100_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 670{
 671        return gf100_ram_new_(&gf100_ram, fb, pram);
 672}
 673