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 "ovly.h"
23 #include "oimm.h"
24
25 #include <nvif/class.h>
26
27 int
28 nv50_ovly_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
29 {
30 static const struct {
31 s32 oclass;
32 int version;
33 int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
34 } ovlys[] = {
35 { GK104_DISP_OVERLAY_CONTROL_DMA, 0, ovly917e_new },
36 { GF110_DISP_OVERLAY_CONTROL_DMA, 0, ovly907e_new },
37 { GT214_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
38 { GT200_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
39 { G82_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new },
40 { NV50_DISP_OVERLAY_CHANNEL_DMA, 0, ovly507e_new },
41 {}
42 };
43 struct nv50_disp *disp = nv50_disp(drm->dev);
44 int cid, ret;
45
46 cid = nvif_mclass(&disp->disp->object, ovlys);
47 if (cid < 0) {
48 NV_ERROR(drm, "No supported overlay class\n");
49 return cid;
50 }
51
52 ret = ovlys[cid].new(drm, head, ovlys[cid].oclass, pwndw);
53 if (ret)
54 return ret;
55
56 return nv50_oimm_init(drm, *pwndw);
57 }