cursnv50.c (2303B)
1/* 2 * Copyright 2012 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 * Authors: Ben Skeggs 23 */ 24#include "channv50.h" 25#include "head.h" 26 27#include <core/client.h> 28 29#include <nvif/cl507a.h> 30#include <nvif/unpack.h> 31 32int 33nv50_disp_curs_new_(const struct nv50_disp_chan_func *func, 34 struct nv50_disp *disp, int ctrl, int user, 35 const struct nvkm_oclass *oclass, void *argv, u32 argc, 36 struct nvkm_object **pobject) 37{ 38 union { 39 struct nv50_disp_cursor_v0 v0; 40 } *args = argv; 41 struct nvkm_object *parent = oclass->parent; 42 int head, ret = -ENOSYS; 43 44 nvif_ioctl(parent, "create disp cursor size %d\n", argc); 45 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 46 nvif_ioctl(parent, "create disp cursor vers %d head %d\n", 47 args->v0.version, args->v0.head); 48 if (!nvkm_head_find(&disp->base, args->v0.head)) 49 return -EINVAL; 50 head = args->v0.head; 51 } else 52 return ret; 53 54 return nv50_disp_chan_new_(func, NULL, disp, ctrl + head, user + head, 55 head, oclass, pobject); 56} 57 58int 59nv50_disp_curs_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, 60 struct nv50_disp *disp, struct nvkm_object **pobject) 61{ 62 return nv50_disp_curs_new_(&nv50_disp_pioc_func, disp, 7, 7, 63 oclass, argv, argc, pobject); 64}