1 /*	$NetBSD: nouveau_dispnv50_base.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_base.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26 
27 #include "base.h"
28 
29 #include <nvif/class.h>
30 
31 int
nv50_base_new(struct nouveau_drm * drm,int head,struct nv50_wndw ** pwndw)32 nv50_base_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
33 {
34 	struct {
35 		s32 oclass;
36 		int version;
37 		int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
38 	} bases[] = {
39 		{ GK110_DISP_BASE_CHANNEL_DMA, 0, base917c_new },
40 		{ GK104_DISP_BASE_CHANNEL_DMA, 0, base917c_new },
41 		{ GF110_DISP_BASE_CHANNEL_DMA, 0, base907c_new },
42 		{ GT214_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
43 		{ GT200_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
44 		{   G82_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
45 		{  NV50_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
46 		{}
47 	};
48 	struct nv50_disp *disp = nv50_disp(drm->dev);
49 	int cid;
50 
51 	cid = nvif_mclass(&disp->disp->object, bases);
52 	if (cid < 0) {
53 		NV_ERROR(drm, "No supported base class\n");
54 		return cid;
55 	}
56 
57 	return bases[cid].new(drm, head, bases[cid].oclass, pwndw);
58 }
59