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 "ovly.h" 23 #include "oimm.h" 24 25 #include <nvif/class.h> 26 27 int 28 nv50_ovly_new(struct nouveau_drm *drm, int head, struct nv50_wndw **pwndw) 29 { 30 static const struct { 31 s32 oclass; 32 int version; 33 int (*new)(struct nouveau_drm *, int, s32, struct nv50_wndw **); 34 } ovlys[] = { 35 { GK104_DISP_OVERLAY_CONTROL_DMA, 0, ovly917e_new }, 36 { GF110_DISP_OVERLAY_CONTROL_DMA, 0, ovly907e_new }, 37 { GT214_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new }, 38 { GT200_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new }, 39 { G82_DISP_OVERLAY_CHANNEL_DMA, 0, ovly827e_new }, 40 { NV50_DISP_OVERLAY_CHANNEL_DMA, 0, ovly507e_new }, 41 {} 42 }; 43 struct nv50_disp *disp = nv50_disp(drm->dev); 44 int cid, ret; 45 46 cid = nvif_mclass(&disp->disp->object, ovlys); 47 if (cid < 0) { 48 NV_ERROR(drm, "No supported overlay class\n"); 49 return cid; 50 } 51 52 ret = ovlys[cid].new(drm, head, ovlys[cid].oclass, pwndw); 53 if (ret) 54 return ret; 55 56 return nv50_oimm_init(drm, *pwndw); 57 } 58