drivers/gpu/drm/nouveau/dispnv50/cursc37a.c

   1 /*
   2  * Copyright 2018 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 "curs.h"
  23 #include "atom.h"
  24
  25 #include <nvhw/class/clc37a.h>
  26
  27 static int
  28 cursc37a_update(struct nv50_wndw *wndw, u32 *interlock)
  29 {
  30         struct nvif_object *user = &wndw->wimm.base.user;
  31         int ret = nvif_chan_wait(&wndw->wimm, 1);
  32         if (ret == 0)
  33                 NVIF_WR32(user, NVC37A, UPDATE, 0x00000001);
  34         return ret;
  35 }
  36
  37 static int
  38 cursc37a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
  39 {
  40         struct nvif_object *user = &wndw->wimm.base.user;
  41         int ret = nvif_chan_wait(&wndw->wimm, 1);
  42         if (ret == 0) {
  43                 NVIF_WR32(user, NVC37A, SET_CURSOR_HOT_SPOT_POINT_OUT(0),
  44                           NVVAL(NVC37A, SET_CURSOR_HOT_SPOT_POINT_OUT, X, asyw->point.x) |
  45                           NVVAL(NVC37A, SET_CURSOR_HOT_SPOT_POINT_OUT, Y, asyw->point.y));
  46         }
  47         return ret;
  48 }
  49
  50 static const struct nv50_wimm_func
  51 cursc37a = {
  52         .point = cursc37a_point,
  53         .update = cursc37a_update,
  54 };
  55
  56 int
  57 cursc37a_new(struct nouveau_drm *drm, int head, s32 oclass,
  58              struct nv50_wndw **pwndw)
  59 {
  60         return curs507a_new_(&cursc37a, drm, head, oclass,
  61                              0x00000001 << head, pwndw);
  62 }