drivers/gpu/drm/nouveau/core/engine/copy/nvc0.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
  25 #include <core/os.h>
  26 #include <core/enum.h>
  27 #include <core/class.h>
  28 #include <core/engctx.h>
  29
  30 #include <engine/copy.h>
  31
  32 #include "fuc/nvc0.fuc.h"
  33
  34 struct nvc0_copy_priv {
  35         struct nouveau_copy base;
  36 };
  37
  38 struct nvc0_copy_chan {
  39         struct nouveau_copy_chan base;
  40 };
  41
  42 /*******************************************************************************
  43  * Copy object classes
  44  ******************************************************************************/
  45
  46 static struct nouveau_oclass
  47 nvc0_copy0_sclass[] = {
  48         { 0x90b5, &nouveau_object_ofuncs },
  49         {},
  50 };
  51
  52 static struct nouveau_oclass
  53 nvc0_copy1_sclass[] = {
  54         { 0x90b8, &nouveau_object_ofuncs },
  55         {},
  56 };
  57
  58 /*******************************************************************************
  59  * PCOPY context
  60  ******************************************************************************/
  61
  62 static int
  63 nvc0_copy_context_ctor(struct nouveau_object *parent,
  64                        struct nouveau_object *engine,
  65                        struct nouveau_oclass *oclass, void *data, u32 size,
  66                        struct nouveau_object **pobject)
  67 {
  68         struct nvc0_copy_chan *priv;
  69         int ret;
  70
  71         ret = nouveau_copy_context_create(parent, engine, oclass, NULL, 256,
  72                                           256, NVOBJ_FLAG_ZERO_ALLOC, &priv);
  73         *pobject = nv_object(priv);
  74         if (ret)
  75                 return ret;
  76
  77         return 0;
  78 }
  79
  80 static struct nouveau_ofuncs
  81 nvc0_copy_context_ofuncs = {
  82         .ctor = nvc0_copy_context_ctor,
  83         .dtor = _nouveau_copy_context_dtor,
  84         .init = _nouveau_copy_context_init,
  85         .fini = _nouveau_copy_context_fini,
  86         .rd32 = _nouveau_copy_context_rd32,
  87         .wr32 = _nouveau_copy_context_wr32,
  88 };
  89
  90 static struct nouveau_oclass
  91 nvc0_copy0_cclass = {
  92         .handle = NV_ENGCTX(COPY0, 0xc0),
  93         .ofuncs = &nvc0_copy_context_ofuncs,
  94 };
  95
  96 static struct nouveau_oclass
  97 nvc0_copy1_cclass = {
  98         .handle = NV_ENGCTX(COPY1, 0xc0),
  99         .ofuncs = &nvc0_copy_context_ofuncs,
 100 };
 101
 102 /*******************************************************************************
 103  * PCOPY engine/subdev functions
 104  ******************************************************************************/
 105
 106 static struct nouveau_enum nvc0_copy_isr_error_name[] = {
 107         { 0x0001, "ILLEGAL_MTHD" },
 108         { 0x0002, "INVALID_ENUM" },
 109         { 0x0003, "INVALID_BITFIELD" },
 110         {}
 111 };
 112
 113 static void
 114 nvc0_copy_intr(struct nouveau_subdev *subdev)
 115 {
 116         int idx = nv_engidx(nv_object(subdev)) - NVDEV_ENGINE_COPY0;
 117         struct nvc0_copy_priv *priv = (void *)subdev;
 118         u32 disp = nv_rd32(priv, 0x10401c + (idx * 0x1000));
 119         u32 intr = nv_rd32(priv, 0x104008 + (idx * 0x1000));
 120         u32 stat = intr & disp & ~(disp >> 16);
 121         u64 inst = nv_rd32(priv, 0x104050 + (idx * 0x1000)) & 0x0fffffff;
 122         u32 ssta = nv_rd32(priv, 0x104040 + (idx * 0x1000)) & 0x0000ffff;
 123         u32 addr = nv_rd32(priv, 0x104040 + (idx * 0x1000)) >> 16;
 124         u32 mthd = (addr & 0x07ff) << 2;
 125         u32 subc = (addr & 0x3800) >> 11;
 126         u32 data = nv_rd32(priv, 0x104044 + (idx * 0x1000));
 127
 128         if (stat & 0x00000040) {
 129                 nv_error(priv, "DISPATCH_ERROR [");
 130                 nouveau_enum_print(nvc0_copy_isr_error_name, ssta);
 131                 printk("] ch 0x%010llx subc %d mthd 0x%04x data 0x%08x\n",
 132                        (u64)inst << 12, subc, mthd, data);
 133                 nv_wr32(priv, 0x104004 + (idx * 0x1000), 0x00000040);
 134                 stat &= ~0x00000040;
 135         }
 136
 137         if (stat) {
 138                 nv_error(priv, "unhandled intr 0x%08x\n", stat);
 139                 nv_wr32(priv, 0x104004 + (idx * 0x1000), stat);
 140         }
 141 }
 142
 143 static int
 144 nvc0_copy0_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 145                 struct nouveau_oclass *oclass, void *data, u32 size,
 146                 struct nouveau_object **pobject)
 147 {
 148         struct nvc0_copy_priv *priv;
 149         int ret;
 150
 151         if (nv_rd32(parent, 0x022500) & 0x00000100)
 152                 return -ENODEV;
 153
 154         ret = nouveau_copy_create(parent, engine, oclass, true, 0, &priv);
 155         *pobject = nv_object(priv);
 156         if (ret)
 157                 return ret;
 158
 159         nv_subdev(priv)->unit = 0x00000040;
 160         nv_subdev(priv)->intr = nvc0_copy_intr;
 161         nv_engine(priv)->cclass = &nvc0_copy0_cclass;
 162         nv_engine(priv)->sclass = nvc0_copy0_sclass;
 163         return 0;
 164 }
 165
 166 static int
 167 nvc0_copy1_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
 168                 struct nouveau_oclass *oclass, void *data, u32 size,
 169                 struct nouveau_object **pobject)
 170 {
 171         struct nvc0_copy_priv *priv;
 172         int ret;
 173
 174         if (nv_rd32(parent, 0x022500) & 0x00000200)
 175                 return -ENODEV;
 176
 177         ret = nouveau_copy_create(parent, engine, oclass, true, 1, &priv);
 178         *pobject = nv_object(priv);
 179         if (ret)
 180                 return ret;
 181
 182         nv_subdev(priv)->unit = 0x00000080;
 183         nv_subdev(priv)->intr = nvc0_copy_intr;
 184         nv_engine(priv)->cclass = &nvc0_copy1_cclass;
 185         nv_engine(priv)->sclass = nvc0_copy1_sclass;
 186         return 0;
 187 }
 188
 189 static int
 190 nvc0_copy_init(struct nouveau_object *object)
 191 {
 192         int idx = nv_engidx(object) - NVDEV_ENGINE_COPY0;
 193         struct nvc0_copy_priv *priv = (void *)object;
 194         int ret, i;
 195
 196         ret = nouveau_copy_init(&priv->base);
 197         if (ret)
 198                 return ret;
 199
 200         /* disable all interrupts */
 201         nv_wr32(priv, 0x104014 + (idx * 0x1000), 0xffffffff);
 202
 203         /* upload ucode */
 204         nv_wr32(priv, 0x1041c0 + (idx * 0x1000), 0x01000000);
 205         for (i = 0; i < sizeof(nvc0_pcopy_data) / 4; i++)
 206                 nv_wr32(priv, 0x1041c4 + (idx * 0x1000), nvc0_pcopy_data[i]);
 207
 208         nv_wr32(priv, 0x104180 + (idx * 0x1000), 0x01000000);
 209         for (i = 0; i < sizeof(nvc0_pcopy_code) / 4; i++) {
 210                 if ((i & 0x3f) == 0)
 211                         nv_wr32(priv, 0x104188 + (idx * 0x1000), i >> 6);
 212                 nv_wr32(priv, 0x104184 + (idx * 0x1000), nvc0_pcopy_code[i]);
 213         }
 214
 215         /* start it running */
 216         nv_wr32(priv, 0x104084 + (idx * 0x1000), idx);
 217         nv_wr32(priv, 0x10410c + (idx * 0x1000), 0x00000000);
 218         nv_wr32(priv, 0x104104 + (idx * 0x1000), 0x00000000); /* ENTRY */
 219         nv_wr32(priv, 0x104100 + (idx * 0x1000), 0x00000002); /* TRIGGER */
 220         return 0;
 221 }
 222
 223 static int
 224 nvc0_copy_fini(struct nouveau_object *object, bool suspend)
 225 {
 226         int idx = nv_engidx(object) - NVDEV_ENGINE_COPY0;
 227         struct nvc0_copy_priv *priv = (void *)object;
 228
 229         nv_mask(priv, 0x104048 + (idx * 0x1000), 0x00000003, 0x00000000);
 230         nv_wr32(priv, 0x104014 + (idx * 0x1000), 0xffffffff);
 231
 232         return nouveau_copy_fini(&priv->base, suspend);
 233 }
 234
 235 struct nouveau_oclass
 236 nvc0_copy0_oclass = {
 237         .handle = NV_ENGINE(COPY0, 0xc0),
 238         .ofuncs = &(struct nouveau_ofuncs) {
 239                 .ctor = nvc0_copy0_ctor,
 240                 .dtor = _nouveau_copy_dtor,
 241                 .init = nvc0_copy_init,
 242                 .fini = nvc0_copy_fini,
 243         },
 244 };
 245
 246 struct nouveau_oclass
 247 nvc0_copy1_oclass = {
 248         .handle = NV_ENGINE(COPY1, 0xc0),
 249         .ofuncs = &(struct nouveau_ofuncs) {
 250                 .ctor = nvc0_copy1_ctor,
 251                 .dtor = _nouveau_copy_dtor,
 252                 .init = nvc0_copy_init,
 253                 .fini = nvc0_copy_fini,
 254         },
 255 };