drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c

   1 /*
   2  * Copyright 2016 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 <bskeggs@redhat.com>
  23  */
  24 #include "nv50.h"
  25 #include "outpdp.h"
  26
  27 int
  28 gm107_sor_dp_pattern(struct nvkm_output_dp *outp, int pattern)
  29 {
  30         struct nvkm_device *device = outp->base.disp->engine.subdev.device;
  31         const u32 soff = outp->base.or * 0x800;
  32         const u32 data = 0x01010101 * pattern;
  33         if (outp->base.info.sorconf.link & 1)
  34                 nvkm_mask(device, 0x61c110 + soff, 0x0f0f0f0f, data);
  35         else
  36                 nvkm_mask(device, 0x61c12c + soff, 0x0f0f0f0f, data);
  37         return 0;
  38 }
  39
  40 static const struct nvkm_output_dp_func
  41 gm107_sor_dp_func = {
  42         .pattern = gm107_sor_dp_pattern,
  43         .lnk_pwr = g94_sor_dp_lnk_pwr,
  44         .lnk_ctl = gf119_sor_dp_lnk_ctl,
  45         .drv_ctl = gf119_sor_dp_drv_ctl,
  46 };
  47
  48 int
  49 gm107_sor_dp_new(struct nvkm_disp *disp, int index,
  50                  struct dcb_output *dcbE, struct nvkm_output **poutp)
  51 {
  52         return nvkm_output_dp_new_(&gm107_sor_dp_func, disp, index, dcbE, poutp);
  53 }