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 "base.h"
23
24 #include <nvif/class.h>
25
26 int
27 nv50_base_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw)
28 {
29 struct {
30 s32 oclass;
31 int version;
32 int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **);
33 } bases[] = {
34 { GK110_DISP_BASE_CHANNEL_DMA, 0, base917c_new },
35 { GK104_DISP_BASE_CHANNEL_DMA, 0, base917c_new },
36 { GF110_DISP_BASE_CHANNEL_DMA, 0, base907c_new },
37 { GT214_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
38 { GT200_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
39 { G82_DISP_BASE_CHANNEL_DMA, 0, base827c_new },
40 { NV50_DISP_BASE_CHANNEL_DMA, 0, base507c_new },
41 {}
42 };
43 struct nv50_disp *disp = nv50_disp(drm->dev);
44 int cid;
45
46 cid = nvif_mclass(&disp->disp->object, bases);
47 if (cid < 0) {
48 NV_ERROR(drm, "No supported base class\n");
49 return cid;
50 }
51
52 return bases[cid].new(drm, head, bases[cid].oclass, pwndw);
53 }