LXR linux/drivers/gpu/drm/nouveau/core/engine/disp/hdminvd0.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/class.h>
  27
  28#include "nv50.h"
  29
  30int
  31nvd0_hdmi_ctrl(struct nv50_disp_priv *priv, int head, int or, u32 data)
  32{
  33        const u32 hoff = (head * 0x800);
  34
  35        if (!(data & NV84_DISP_SOR_HDMI_PWR_STATE_ON)) {
  36                nv_mask(priv, 0x616798 + hoff, 0x40000000, 0x00000000);
  37                nv_mask(priv, 0x6167a4 + hoff, 0x00000001, 0x00000000);
  38                nv_mask(priv, 0x616714 + hoff, 0x00000001, 0x00000000);
  39                return 0;
  40        }
  41
  42        /* AVI InfoFrame */
  43        nv_mask(priv, 0x616714 + hoff, 0x00000001, 0x00000000);
  44        nv_wr32(priv, 0x61671c + hoff, 0x000d0282);
  45        nv_wr32(priv, 0x616720 + hoff, 0x0000006f);
  46        nv_wr32(priv, 0x616724 + hoff, 0x00000000);
  47        nv_wr32(priv, 0x616728 + hoff, 0x00000000);
  48        nv_wr32(priv, 0x61672c + hoff, 0x00000000);
  49        nv_mask(priv, 0x616714 + hoff, 0x00000001, 0x00000001);
  50
  51        /* ??? InfoFrame? */
  52        nv_mask(priv, 0x6167a4 + hoff, 0x00000001, 0x00000000);
  53        nv_wr32(priv, 0x6167ac + hoff, 0x00000010);
  54        nv_mask(priv, 0x6167a4 + hoff, 0x00000001, 0x00000001);
  55
  56        /* HDMI_CTRL */
  57        nv_mask(priv, 0x616798 + hoff, 0x401f007f, data);
  58
  59        /* NFI, audio doesn't work without it though.. */
  60        nv_mask(priv, 0x616548 + hoff, 0x00000070, 0x00000000);
  61        return 0;
  62}
  63