1 /* $NetBSD: nouveau_dispnv50_wimm.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_wimm.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27 #include "wimm.h"
28
29 #include <nvif/class.h>
30
31 int
nv50_wimm_init(struct nouveau_drm * drm,struct nv50_wndw * wndw)32 nv50_wimm_init(struct nouveau_drm *drm, struct nv50_wndw *wndw)
33 {
34 struct {
35 s32 oclass;
36 int version;
37 int (*init)(struct nouveau_drm *, s32, struct nv50_wndw *);
38 } wimms[] = {
39 { TU102_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
40 { GV100_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
41 {}
42 };
43 struct nv50_disp *disp = nv50_disp(drm->dev);
44 int cid;
45
46 cid = nvif_mclass(&disp->disp->object, wimms);
47 if (cid < 0) {
48 NV_ERROR(drm, "No supported window immediate class\n");
49 return cid;
50 }
51
52 return wimms[cid].init(drm, wimms[cid].oclass, wndw);
53 }
54