diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c new file mode 100644 index 000000000000..225858e62cf6 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/cursnv50.c @@ -0,0 +1,68 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include "channv50.h" +#include "rootnv50.h" + +#include <core/client.h> + +#include <nvif/class.h> +#include <nvif/unpack.h> + +int +nv50_disp_curs_new(const struct nv50_disp_chan_func *func, + const struct nv50_disp_chan_mthd *mthd, + struct nv50_disp_root *root, int chid, + const struct nvkm_oclass *oclass, void *data, u32 size, + struct nvkm_object **pobject) +{ + union { + struct nv50_disp_cursor_v0 v0; + } *args = data; + struct nvkm_object *parent = oclass->parent; + struct nv50_disp *disp = root->disp; + int head, ret; + + nvif_ioctl(parent, "create disp cursor size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nvif_ioctl(parent, "create disp cursor vers %d head %d\n", + args->v0.version, args->v0.head); + if (args->v0.head > disp->base.head.nr) + return -EINVAL; + head = args->v0.head; + } else + return ret; + + return nv50_disp_chan_new_(func, mthd, root, chid + head, + head, oclass, pobject); +} + +const struct nv50_disp_pioc_oclass +nv50_disp_curs_oclass = { + .base.oclass = NV50_DISP_CURSOR, + .base.minver = 0, + .base.maxver = 0, + .ctor = nv50_disp_curs_new, + .func = &nv50_disp_pioc_func, + .chid = 7, +}; |