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 }
63