kernel/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.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 #include "gf100.h"
  25
  26 const struct nvkm_specsrc
  27 gf100_pbfb_sources[] = {
  28         { 0x10f100, (const struct nvkm_specmux[]) {
  29                         { 0x1, 0, "unk0" },
  30                         { 0x3f, 4, "unk4" },
  31                         {}
  32                 }, "pbfb_broadcast_pm_unk100" },
  33         {}
  34 };
  35
  36 const struct nvkm_specsrc
  37 gf100_pmfb_sources[] = {
  38         { 0x140028, (const struct nvkm_specmux[]) {
  39                         { 0x3fff, 0, "unk0" },
  40                         { 0x7, 16, "unk16" },
  41                         { 0x3, 24, "unk24" },
  42                         { 0x2, 29, "unk29" },
  43                         {}
  44                 }, "pmfb0_pm_unk28" },
  45         {}
  46 };
  47
  48 static const struct nvkm_specsrc
  49 gf100_l1_sources[] = {
  50         { 0x5044a8, (const struct nvkm_specmux[]) {
  51                         { 0x3f, 0, "sel", true },
  52                         {}
  53                 }, "pgraph_gpc0_tpc0_l1_pm_mux" },
  54         {}
  55 };
  56
  57 static const struct nvkm_specsrc
  58 gf100_tex_sources[] = {
  59         { 0x5042c0, (const struct nvkm_specmux[]) {
  60                         { 0xf, 0, "sel0", true },
  61                         { 0x7, 8, "sel1", true },
  62                         {}
  63                 }, "pgraph_gpc0_tpc0_tex_pm_mux_c_d" },
  64         {}
  65 };
  66
  67 static const struct nvkm_specsrc
  68 gf100_unk400_sources[] = {
  69         { 0x50440c, (const struct nvkm_specmux[]) {
  70                         { 0x3f, 0, "sel", true },
  71                         {}
  72                 }, "pgraph_gpc0_tpc0_unk400_pm_mux" },
  73         {}
  74 };
  75
  76 static const struct nvkm_specdom
  77 gf100_pm_hub[] = {
  78         {}
  79 };
  80
  81 const struct nvkm_specdom
  82 gf100_pm_gpc[] = {
  83         { 0xe0, (const struct nvkm_specsig[]) {
  84                         { 0x00, "gpc00_l1_00", gf100_l1_sources },
  85                         { 0x01, "gpc00_l1_01", gf100_l1_sources },
  86                         { 0x02, "gpc00_l1_02", gf100_l1_sources },
  87                         { 0x03, "gpc00_l1_03", gf100_l1_sources },
  88                         { 0x05, "gpc00_l1_04", gf100_l1_sources },
  89                         { 0x06, "gpc00_l1_05", gf100_l1_sources },
  90                         { 0x0a, "gpc00_tex_00", gf100_tex_sources },
  91                         { 0x0b, "gpc00_tex_01", gf100_tex_sources },
  92                         { 0x0c, "gpc00_tex_02", gf100_tex_sources },
  93                         { 0x0d, "gpc00_tex_03", gf100_tex_sources },
  94                         { 0x0e, "gpc00_tex_04", gf100_tex_sources },
  95                         { 0x0f, "gpc00_tex_05", gf100_tex_sources },
  96                         { 0x10, "gpc00_tex_06", gf100_tex_sources },
  97                         { 0x11, "gpc00_tex_07", gf100_tex_sources },
  98                         { 0x12, "gpc00_tex_08", gf100_tex_sources },
  99                         { 0x26, "gpc00_unk400_00", gf100_unk400_sources },
 100                         {}
 101                 }, &gf100_perfctr_func },
 102         {}
 103 };
 104
 105 const struct nvkm_specdom
 106 gf100_pm_part[] = {
 107         { 0xe0, (const struct nvkm_specsig[]) {
 108                         { 0x0f, "part00_pbfb_00", gf100_pbfb_sources },
 109                         { 0x10, "part00_pbfb_01", gf100_pbfb_sources },
 110                         { 0x21, "part00_pmfb_00", gf100_pmfb_sources },
 111                         { 0x04, "part00_pmfb_01", gf100_pmfb_sources },
 112                         { 0x00, "part00_pmfb_02", gf100_pmfb_sources },
 113                         { 0x02, "part00_pmfb_03", gf100_pmfb_sources },
 114                         { 0x01, "part00_pmfb_04", gf100_pmfb_sources },
 115                         { 0x2e, "part00_pmfb_05", gf100_pmfb_sources },
 116                         { 0x2f, "part00_pmfb_06", gf100_pmfb_sources },
 117                         { 0x1b, "part00_pmfb_07", gf100_pmfb_sources },
 118                         { 0x1c, "part00_pmfb_08", gf100_pmfb_sources },
 119                         { 0x1d, "part00_pmfb_09", gf100_pmfb_sources },
 120                         { 0x1e, "part00_pmfb_0a", gf100_pmfb_sources },
 121                         { 0x1f, "part00_pmfb_0b", gf100_pmfb_sources },
 122                         {}
 123                 }, &gf100_perfctr_func },
 124         {}
 125 };
 126
 127 static void
 128 gf100_perfctr_init(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
 129                    struct nvkm_perfctr *ctr)
 130 {
 131         struct nvkm_device *device = pm->engine.subdev.device;
 132         u32 log = ctr->logic_op;
 133         u32 src = 0x00000000;
 134         int i;
 135
 136         for (i = 0; i < 4; i++)
 137                 src |= ctr->signal[i] << (i * 8);
 138
 139         nvkm_wr32(device, dom->addr + 0x09c, 0x00040002 | (dom->mode << 3));
 140         nvkm_wr32(device, dom->addr + 0x100, 0x00000000);
 141         nvkm_wr32(device, dom->addr + 0x040 + (ctr->slot * 0x08), src);
 142         nvkm_wr32(device, dom->addr + 0x044 + (ctr->slot * 0x08), log);
 143 }
 144
 145 static void
 146 gf100_perfctr_read(struct nvkm_pm *pm, struct nvkm_perfdom *dom,
 147                    struct nvkm_perfctr *ctr)
 148 {
 149         struct nvkm_device *device = pm->engine.subdev.device;
 150
 151         switch (ctr->slot) {
 152         case 0: ctr->ctr = nvkm_rd32(device, dom->addr + 0x08c); break;
 153         case 1: ctr->ctr = nvkm_rd32(device, dom->addr + 0x088); break;
 154         case 2: ctr->ctr = nvkm_rd32(device, dom->addr + 0x080); break;
 155         case 3: ctr->ctr = nvkm_rd32(device, dom->addr + 0x090); break;
 156         }
 157         dom->clk = nvkm_rd32(device, dom->addr + 0x070);
 158 }
 159
 160 static void
 161 gf100_perfctr_next(struct nvkm_pm *pm, struct nvkm_perfdom *dom)
 162 {
 163         struct nvkm_device *device = pm->engine.subdev.device;
 164         nvkm_wr32(device, dom->addr + 0x06c, dom->signal_nr - 0x40 + 0x27);
 165         nvkm_wr32(device, dom->addr + 0x0ec, 0x00000011);
 166 }
 167
 168 const struct nvkm_funcdom
 169 gf100_perfctr_func = {
 170         .init = gf100_perfctr_init,
 171         .read = gf100_perfctr_read,
 172         .next = gf100_perfctr_next,
 173 };
 174
 175 static void
 176 gf100_pm_fini(struct nvkm_pm *pm)
 177 {
 178         struct nvkm_device *device = pm->engine.subdev.device;
 179         nvkm_mask(device, 0x000200, 0x10000000, 0x00000000);
 180         nvkm_mask(device, 0x000200, 0x10000000, 0x10000000);
 181 }
 182
 183 static const struct nvkm_pm_func
 184 gf100_pm_ = {
 185         .fini = gf100_pm_fini,
 186 };
 187
 188 int
 189 gf100_pm_new_(const struct gf100_pm_func *func, struct nvkm_device *device,
 190               int index, struct nvkm_pm **ppm)
 191 {
 192         struct nvkm_pm *pm;
 193         u32 mask;
 194         int ret;
 195
 196         if (!(pm = *ppm = kzalloc(sizeof(*pm), GFP_KERNEL)))
 197                 return -ENOMEM;
 198
 199         ret = nvkm_pm_ctor(&gf100_pm_, device, index, pm);
 200         if (ret)
 201                 return ret;
 202
 203         /* HUB */
 204         ret = nvkm_perfdom_new(pm, "hub", 0, 0x1b0000, 0, 0x200,
 205                                func->doms_hub);
 206         if (ret)
 207                 return ret;
 208
 209         /* GPC */
 210         mask  = (1 << nvkm_rd32(device, 0x022430)) - 1;
 211         mask &= ~nvkm_rd32(device, 0x022504);
 212         mask &= ~nvkm_rd32(device, 0x022584);
 213
 214         ret = nvkm_perfdom_new(pm, "gpc", mask, 0x180000,
 215                                0x1000, 0x200, func->doms_gpc);
 216         if (ret)
 217                 return ret;
 218
 219         /* PART */
 220         mask  = (1 << nvkm_rd32(device, 0x022438)) - 1;
 221         mask &= ~nvkm_rd32(device, 0x022548);
 222         mask &= ~nvkm_rd32(device, 0x0225c8);
 223
 224         ret = nvkm_perfdom_new(pm, "part", mask, 0x1a0000,
 225                                0x1000, 0x200, func->doms_part);
 226         if (ret)
 227                 return ret;
 228
 229         return 0;
 230 }
 231
 232 static const struct gf100_pm_func
 233 gf100_pm = {
 234         .doms_gpc = gf100_pm_gpc,
 235         .doms_hub = gf100_pm_hub,
 236         .doms_part = gf100_pm_part,
 237 };
 238
 239 int
 240 gf100_pm_new(struct nvkm_device *device, int index, struct nvkm_pm **ppm)
 241 {
 242         return gf100_pm_new_(&gf100_pm, device, index, ppm);
 243 }