LXR linux/drivers/gpu/drm/nouveau/dispnv50/sor507d.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
  24static void
  25sor507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
  26             struct nv50_head_atom *asyh)
  27{
  28        u32 *push;
  29        if ((push = evo_wait(&core->chan, 2))) {
  30                if (asyh) {
  31                        ctrl |= asyh->or.depth  << 16;
  32                        ctrl |= asyh->or.nvsync << 13;
  33                        ctrl |= asyh->or.nhsync << 12;
  34                }
  35                evo_mthd(push, 0x0600 + (or * 0x40), 1);
  36                evo_data(push, ctrl);
  37                evo_kick(push, &core->chan);
  38        }
  39}
  40
  41const struct nv50_outp_func
  42sor507d = {
  43        .ctrl = sor507d_ctrl,
  44};
  45