LXR linux/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
  31static int
  32sor907d_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
  45static void
  46sor907d_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
  54const struct nv50_outp_func
  55sor907d = {
  56        .ctrl = sor907d_ctrl,
  57        .get_caps = sor907d_get_caps,
  58};
  59