LXR linux/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
  26static void
  27gf119_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
  35static void
  36gf119_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
  44const struct nvkm_event_func
  45gf119_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};
  50
  51void
  52gf119_disp_chan_intr(struct nv50_disp_chan *chan, bool en)
  53{
  54        struct nvkm_device *device = chan->disp->base.engine.subdev.device;
  55        const u32 mask = 0x00000001 << chan->chid.user;
  56        if (!en) {
  57                nvkm_mask(device, 0x610090, mask, 0x00000000);
  58                nvkm_mask(device, 0x6100a0, mask, 0x00000000);
  59        } else {
  60                nvkm_mask(device, 0x6100a0, mask, mask);
  61        }
  62}
  63