2 * Copyright 2012 Red Hat Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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26 #include <core/client.h>
28 #include <nvif/class.h>
29 #include <nvif/unpack.h>
31 const struct nv50_disp_mthd_list
32 nv50_disp_ovly_mthd_base = {
59 const struct nv50_disp_mthd_chan
60 nv50_disp_ovly_mthd_chan = {
64 { "Global", 1, &nv50_disp_ovly_mthd_base },
70 nv50_disp_ovly_ctor(struct nvkm_object *parent,
71 struct nvkm_object *engine,
72 struct nvkm_oclass *oclass, void *data, u32 size,
73 struct nvkm_object **pobject)
76 struct nv50_disp_overlay_channel_dma_v0 v0;
78 struct nv50_disp *disp = (void *)engine;
79 struct nv50_disp_dmac *dmac;
82 nvif_ioctl(parent, "create disp overlay channel dma size %d\n", size);
83 if (nvif_unpack(args->v0, 0, 0, false)) {
84 nvif_ioctl(parent, "create disp overlay channel dma vers %d "
85 "pushbuf %016llx head %d\n",
86 args->v0.version, args->v0.pushbuf, args->v0.head);
87 if (args->v0.head > disp->head.nr)
92 ret = nv50_disp_dmac_create_(parent, engine, oclass, args->v0.pushbuf,
93 args->v0.head, sizeof(*dmac),
95 *pobject = nv_object(dmac);
102 struct nv50_disp_chan_impl
103 nv50_disp_ovly_ofuncs = {
104 .base.ctor = nv50_disp_ovly_ctor,
105 .base.dtor = nv50_disp_dmac_dtor,
106 .base.init = nv50_disp_dmac_init,
107 .base.fini = nv50_disp_dmac_fini,
108 .base.ntfy = nv50_disp_chan_ntfy,
109 .base.map = nv50_disp_chan_map,
110 .base.rd32 = nv50_disp_chan_rd32,
111 .base.wr32 = nv50_disp_chan_wr32,
113 .attach = nv50_disp_dmac_object_attach,
114 .detach = nv50_disp_dmac_object_detach,