1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2018 Red Hat Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Permission is hereby granted, free of charge, to any person obtaining a
5*4882a593Smuzhiyun * copy of this software and associated documentation files (the "Software"),
6*4882a593Smuzhiyun * to deal in the Software without restriction, including without limitation
7*4882a593Smuzhiyun * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4882a593Smuzhiyun * and/or sell copies of the Software, and to permit persons to whom the
9*4882a593Smuzhiyun * Software is furnished to do so, subject to the following conditions:
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * The above copyright notice and this permission notice shall be included in
12*4882a593Smuzhiyun * all copies or substantial portions of the Software.
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4882a593Smuzhiyun * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4882a593Smuzhiyun * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17*4882a593Smuzhiyun * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*4882a593Smuzhiyun * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*4882a593Smuzhiyun * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*4882a593Smuzhiyun * OTHER DEALINGS IN THE SOFTWARE.
21*4882a593Smuzhiyun */
22*4882a593Smuzhiyun #include "wimm.h"
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #include <nvif/class.h>
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun int
nv50_wimm_init(struct nouveau_drm * drm,struct nv50_wndw * wndw)27*4882a593Smuzhiyun nv50_wimm_init(struct nouveau_drm *drm, struct nv50_wndw *wndw)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun struct {
30*4882a593Smuzhiyun s32 oclass;
31*4882a593Smuzhiyun int version;
32*4882a593Smuzhiyun int (*init)(struct nouveau_drm *, s32, struct nv50_wndw *);
33*4882a593Smuzhiyun } wimms[] = {
34*4882a593Smuzhiyun { TU102_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
35*4882a593Smuzhiyun { GV100_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
36*4882a593Smuzhiyun {}
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun struct nv50_disp *disp = nv50_disp(drm->dev);
39*4882a593Smuzhiyun int cid;
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun cid = nvif_mclass(&disp->disp->object, wimms);
42*4882a593Smuzhiyun if (cid < 0) {
43*4882a593Smuzhiyun NV_ERROR(drm, "No supported window immediate class\n");
44*4882a593Smuzhiyun return cid;
45*4882a593Smuzhiyun }
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun return wimms[cid].init(drm, wimms[cid].oclass, wndw);
48*4882a593Smuzhiyun }
49