drivers/gpu/drm/nouveau/nvkm/engine/disp/changf119.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 #include "channv50.h"
  25
  26 static void
  27 gf119_disp_chan_uevent_fini(struct nvkm_event *event, int type, int index)
  28 {
  29         struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
  30         struct nvkm_device *device = disp->base.engine.subdev.device;
  31         nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000000 << index);
  32         nvkm_wr32(device, 0x61008c, 0x00000001 << index);
  33 }
  34
  35 static void
  36 gf119_disp_chan_uevent_init(struct nvkm_event *event, int types, int index)
  37 {
  38         struct nv50_disp *disp = container_of(event, typeof(*disp), uevent);
  39         struct nvkm_device *device = disp->base.engine.subdev.device;
  40         nvkm_wr32(device, 0x61008c, 0x00000001 << index);
  41         nvkm_mask(device, 0x610090, 0x00000001 << index, 0x00000001 << index);
  42 }
  43
  44 const struct nvkm_event_func
  45 gf119_disp_chan_uevent = {
  46         .ctor = nv50_disp_chan_uevent_ctor,
  47         .init = gf119_disp_chan_uevent_init,
  48         .fini = gf119_disp_chan_uevent_fini,
  49 };