xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/nouveau/dispnv50/oimm.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
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 "oimm.h"
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #include <nvif/class.h>
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun int
nv50_oimm_init(struct nouveau_drm * drm,struct nv50_wndw * wndw)27*4882a593Smuzhiyun nv50_oimm_init(struct nouveau_drm *drm, struct nv50_wndw *wndw)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun 	static const struct {
30*4882a593Smuzhiyun 		s32 oclass;
31*4882a593Smuzhiyun 		int version;
32*4882a593Smuzhiyun 		int (*init)(struct nouveau_drm *, s32, struct nv50_wndw *);
33*4882a593Smuzhiyun 	} oimms[] = {
34*4882a593Smuzhiyun 		{ GK104_DISP_OVERLAY, 0, oimm507b_init },
35*4882a593Smuzhiyun 		{ GF110_DISP_OVERLAY, 0, oimm507b_init },
36*4882a593Smuzhiyun 		{ GT214_DISP_OVERLAY, 0, oimm507b_init },
37*4882a593Smuzhiyun 		{   G82_DISP_OVERLAY, 0, oimm507b_init },
38*4882a593Smuzhiyun 		{  NV50_DISP_OVERLAY, 0, oimm507b_init },
39*4882a593Smuzhiyun 		{}
40*4882a593Smuzhiyun 	};
41*4882a593Smuzhiyun 	struct nv50_disp *disp = nv50_disp(drm->dev);
42*4882a593Smuzhiyun 	int cid;
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun 	cid = nvif_mclass(&disp->disp->object, oimms);
45*4882a593Smuzhiyun 	if (cid < 0) {
46*4882a593Smuzhiyun 		NV_ERROR(drm, "No supported overlay immediate class\n");
47*4882a593Smuzhiyun 		return cid;
48*4882a593Smuzhiyun 	}
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun 	return oimms[cid].init(drm, oimms[cid].oclass, wndw);
51*4882a593Smuzhiyun }
52