drivers/gpu/drm/nouveau/dispnv50/sor907d.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
  24 #include <nvif/class.h>
  25 #include <nvif/push507c.h>
  26
  27 #include <nvhw/class/cl907d.h>
  28
  29 #include <nouveau_bo.h>
  30
  31 static int
  32 sor907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
  33              struct nv50_head_atom *asyh)
  34 {
  35         struct nvif_push *push = core->chan.push;
  36         int ret;
  37
  38         if ((ret = PUSH_WAIT(push, 2)))
  39                 return ret;
  40
  41         PUSH_MTHD(push, NV907D, SOR_SET_CONTROL(or), ctrl);
  42         return 0;
  43 }
  44
  45 static void
  46 sor907d_get_caps(struct nv50_disp *disp, struct nouveau_encoder *outp, int or)
  47 {
  48         struct nouveau_bo *bo = disp->sync;
  49         const int off = or * 2;
  50         outp->caps.dp_interlace =
  51                 NVBO_RV32(bo, off, NV907D_CORE_NOTIFIER_3, CAPABILITIES_CAP_SOR0_20, DP_INTERLACE);
  52 }
  53
  54 const struct nv50_outp_func
  55 sor907d = {
  56         .ctrl = sor907d_ctrl,
  57         .get_caps = sor907d_get_caps,
  58 };