drivers/gpu/drm/nouveau/dispnv50/corec57d.c

   1 /*
   2  * Copyright 2018 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 #include "core.h"
  23 #include "head.h"
  24
  25 static void
  26 corec57d_init(struct nv50_core *core)
  27 {
  28         const u32 windows = 8; /*XXX*/
  29         u32 *push, i;
  30         if ((push = evo_wait(&core->chan, 2 + 6 * windows + 2))) {
  31                 evo_mthd(push, 0x0208, 1);
  32                 evo_data(push, core->chan.sync.handle);
  33                 for (i = 0; i < windows; i++) {
  34                         evo_mthd(push, 0x1000 + (i * 0x080), 3);
  35                         evo_data(push, i >> 1);
  36                         evo_data(push, 0x0000000f);
  37                         evo_data(push, 0x00000000);
  38                         evo_mthd(push, 0x1010 + (i * 0x080), 1);
  39                         evo_data(push, 0x00117fff);
  40                 }
  41                 evo_mthd(push, 0x0200, 1);
  42                 evo_data(push, 0x00000001);
  43                 evo_kick(push, &core->chan);
  44         }
  45 }
  46
  47 static const struct nv50_core_func
  48 corec57d = {
  49         .init = corec57d_init,
  50         .ntfy_init = corec37d_ntfy_init,
  51         .ntfy_wait_done = corec37d_ntfy_wait_done,
  52         .update = corec37d_update,
  53         .head = &headc57d,
  54         .sor = &sorc37d,
  55 };
  56
  57 int
  58 corec57d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
  59 {
  60         return core507d_new_(&corec57d, drm, oclass, pcore);
  61 }