nouveau/dispnv50/wimm.c

0001 /*
0002  * Copyright 2018 Red Hat Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  */
0022 #include "wimm.h"
0023
0024 #include <nvif/class.h>
0025
0026 int
0027 nv50_wimm_init(struct nouveau_drm *drm, struct nv50_wndw *wndw)
0028 {
0029     struct {
0030         s32 oclass;
0031         int version;
0032         int (*init)(struct nouveau_drm *, s32, struct nv50_wndw *);
0033     } wimms[] = {
0034         { GA102_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
0035         { TU102_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
0036         { GV100_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init },
0037         {}
0038     };
0039     struct nv50_disp *disp = nv50_disp(drm->dev);
0040     int cid;
0041
0042     cid = nvif_mclass(&disp->disp->object, wimms);
0043     if (cid < 0) {
0044         NV_ERROR(drm, "No supported window immediate class\n");
0045         return cid;
0046     }
0047
0048     return wimms[cid].init(drm, wimms[cid].oclass, wndw);
0049 }