1/* $NetBSD: nouveau_nvkm_engine_disp_oimmnv50.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2012 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 * Authors: Ben Skeggs 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_oimmnv50.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $"); 28 29#include "channv50.h" 30#include "head.h" 31 32#include <core/client.h> 33 34#include <nvif/cl507b.h> 35#include <nvif/unpack.h> 36 37int 38nv50_disp_oimm_new_(const struct nv50_disp_chan_func *func, 39 struct nv50_disp *disp, int ctrl, int user, 40 const struct nvkm_oclass *oclass, void *argv, u32 argc, 41 struct nvkm_object **pobject) 42{ 43 union { 44 struct nv50_disp_overlay_v0 v0; 45 } *args = argv; 46 struct nvkm_object *parent = oclass->parent; 47 int head, ret = -ENOSYS; 48 49 nvif_ioctl(parent, "create disp overlay size %d\n", argc); 50 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 51 nvif_ioctl(parent, "create disp overlay vers %d head %d\n", 52 args->v0.version, args->v0.head); 53 if (!nvkm_head_find(&disp->base, args->v0.head)) 54 return -EINVAL; 55 head = args->v0.head; 56 } else 57 return ret; 58 59 return nv50_disp_chan_new_(func, NULL, disp, ctrl + head, user + head, 60 head, oclass, pobject); 61} 62 63int 64nv50_disp_oimm_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, 65 struct nv50_disp *disp, struct nvkm_object **pobject) 66{ 67 return nv50_disp_oimm_new_(&nv50_disp_pioc_func, disp, 5, 5, 68 oclass, argv, argc, pobject); 69} 70