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 "wimm.h" 23 24 #include <nvif/class.h> 25 26 int 27 nv50_wimm_init(struct nouveau_drm *drm, struct nv50_wndw *wndw) 28 { 29 struct { 30 s32 oclass; 31 int version; 32 int (*init)(struct nouveau_drm *, s32, struct nv50_wndw *); 33 } wimms[] = { 34 { TU102_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init }, 35 { GV100_DISP_WINDOW_IMM_CHANNEL_DMA, 0, wimmc37b_init }, 36 {} 37 }; 38 struct nv50_disp *disp = nv50_disp(drm->dev); 39 int cid; 40 41 cid = nvif_mclass(&disp->disp->object, wimms); 42 if (cid < 0) { 43 NV_ERROR(drm, "No supported window immediate class\n"); 44 return cid; 45 } 46 47 return wimms[cid].init(drm, wimms[cid].oclass, wndw); 48 } 49