drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgt215.c

   1 /*
   2  * Copyright 2017 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 "ior.h"
  23
  24 #include <subdev/timer.h>
  25
  26 void
  27 gt215_sor_dp_audio(struct nvkm_ior *sor, int head, bool enable)
  28 {
  29         struct nvkm_device *device = sor->disp->engine.subdev.device;
  30         const u32 soff = nv50_ior_base(sor);
  31         const u32 data = 0x80000000 | (0x00000001 * enable);
  32         const u32 mask = 0x8000000d;
  33         nvkm_mask(device, 0x61c1e0 + soff, mask, data);
  34         nvkm_msec(device, 2000,
  35                 if (!(nvkm_rd32(device, 0x61c1e0 + soff) & 0x80000000))
  36                         break;
  37         );
  38 }
  39
  40 static const struct nvkm_ior_func
  41 gt215_sor = {
  42         .state = g94_sor_state,
  43         .power = nv50_sor_power,
  44         .clock = nv50_sor_clock,
  45         .hdmi = {
  46                 .ctrl = gt215_hdmi_ctrl,
  47         },
  48         .dp = {
  49                 .lanes = { 2, 1, 0, 3 },
  50                 .links = g94_sor_dp_links,
  51                 .power = g94_sor_dp_power,
  52                 .pattern = g94_sor_dp_pattern,
  53                 .drive = g94_sor_dp_drive,
  54                 .audio = gt215_sor_dp_audio,
  55                 .audio_sym = g94_sor_dp_audio_sym,
  56                 .activesym = g94_sor_dp_activesym,
  57                 .watermark = g94_sor_dp_watermark,
  58         },
  59         .hda = {
  60                 .hpd = gt215_hda_hpd,
  61                 .eld = gt215_hda_eld,
  62         },
  63 };
  64
  65 int
  66 gt215_sor_new(struct nvkm_disp *disp, int id)
  67 {
  68         return nv50_sor_new_(&gt215_sor, disp, id);
  69 }