1 /* $NetBSD: nouveau_dispnv50_ovly.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $ */
2
3 /*
4 * Copyright 2018 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_dispnv50_ovly.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27 #include "ovly.h"
28 #include "oimm.h"
29
30 #include <nvif/class.h>
31
32 int
nv50_ovly_new(struct nouveau_drm * drm,int head,struct nv50_wndw ** pwndw)33 nv50_ovly_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
34 {
35 static const struct {
36 s32 oclass;
37 int version;
38 int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
39 } ovlys[] = {
40 { GK104_DISP_OVERLAY_CONTROL_DMA, 0, ovly917e_new },
41 { GF110_DISP_OVERLAY_CONTROL_DMA, 0, ovly907e_new },
42 { GT214_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
43 { GT200_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
44 { G82_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
45 { NV50_DISP_OVERLAY_CHANNEL_DMA, 0, ovly507e_new },
46 {}
47 };
48 struct nv50_disp *disp = nv50_disp(drm->dev);
49 int cid, ret;
50
51 cid = nvif_mclass(&disp->disp->object, ovlys);
52 if (cid < 0) {
53 NV_ERROR(drm, "No supported overlay class\n");
54 return cid;
55 }
56
57 ret = ovlys[cid].new(drm, head, ovlys[cid].oclass, pwndw);
58 if (ret)
59 return ret;
60
61 return nv50_oimm_init(drm, *pwndw);
62 }
63