1142cd602SBen Skeggs /*
2142cd602SBen Skeggs * Copyright 2023 Red Hat Inc.
3142cd602SBen Skeggs *
4142cd602SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
5142cd602SBen Skeggs * copy of this software and associated documentation files (the "Software"),
6142cd602SBen Skeggs * to deal in the Software without restriction, including without limitation
7142cd602SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8142cd602SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
9142cd602SBen Skeggs * Software is furnished to do so, subject to the following conditions:
10142cd602SBen Skeggs *
11142cd602SBen Skeggs * The above copyright notice and this permission notice shall be included in
12142cd602SBen Skeggs * all copies or substantial portions of the Software.
13142cd602SBen Skeggs *
14142cd602SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15142cd602SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16142cd602SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17142cd602SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18142cd602SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19142cd602SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20142cd602SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
21142cd602SBen Skeggs */
22142cd602SBen Skeggs #include "priv.h"
23142cd602SBen Skeggs
24142cd602SBen Skeggs #include <core/object.h>
25142cd602SBen Skeggs #include <subdev/gsp.h>
26142cd602SBen Skeggs #include <engine/fifo.h>
27142cd602SBen Skeggs
28142cd602SBen Skeggs #include <nvrm/nvtypes.h>
29*b5bad8c1SDave Airlie #include <nvrm/535.113.01/common/sdk/nvidia/inc/nvos.h>
30142cd602SBen Skeggs
31142cd602SBen Skeggs struct r535_nvdec_obj {
32142cd602SBen Skeggs struct nvkm_object object;
33142cd602SBen Skeggs struct nvkm_gsp_object rm;
34142cd602SBen Skeggs };
35142cd602SBen Skeggs
36142cd602SBen Skeggs static void *
r535_nvdec_obj_dtor(struct nvkm_object * object)37142cd602SBen Skeggs r535_nvdec_obj_dtor(struct nvkm_object *object)
38142cd602SBen Skeggs {
39142cd602SBen Skeggs struct r535_nvdec_obj *obj = container_of(object, typeof(*obj), object);
40142cd602SBen Skeggs
41142cd602SBen Skeggs nvkm_gsp_rm_free(&obj->rm);
42142cd602SBen Skeggs return obj;
43142cd602SBen Skeggs }
44142cd602SBen Skeggs
45142cd602SBen Skeggs static const struct nvkm_object_func
46142cd602SBen Skeggs r535_nvdec_obj = {
47142cd602SBen Skeggs .dtor = r535_nvdec_obj_dtor,
48142cd602SBen Skeggs };
49142cd602SBen Skeggs
50142cd602SBen Skeggs static int
r535_nvdec_obj_ctor(const struct nvkm_oclass * oclass,void * argv,u32 argc,struct nvkm_object ** pobject)51142cd602SBen Skeggs r535_nvdec_obj_ctor(const struct nvkm_oclass *oclass, void *argv, u32 argc,
52142cd602SBen Skeggs struct nvkm_object **pobject)
53142cd602SBen Skeggs {
54142cd602SBen Skeggs struct nvkm_chan *chan = nvkm_uchan_chan(oclass->parent);
55142cd602SBen Skeggs struct r535_nvdec_obj *obj;
56142cd602SBen Skeggs NV_BSP_ALLOCATION_PARAMETERS *args;
57142cd602SBen Skeggs
58142cd602SBen Skeggs if (!(obj = kzalloc(sizeof(*obj), GFP_KERNEL)))
59142cd602SBen Skeggs return -ENOMEM;
60142cd602SBen Skeggs
61142cd602SBen Skeggs nvkm_object_ctor(&r535_nvdec_obj, oclass, &obj->object);
62142cd602SBen Skeggs *pobject = &obj->object;
63142cd602SBen Skeggs
64142cd602SBen Skeggs args = nvkm_gsp_rm_alloc_get(&chan->rm.object, oclass->handle, oclass->base.oclass,
65142cd602SBen Skeggs sizeof(*args), &obj->rm);
66142cd602SBen Skeggs if (WARN_ON(IS_ERR(args)))
67142cd602SBen Skeggs return PTR_ERR(args);
68142cd602SBen Skeggs
69142cd602SBen Skeggs args->size = sizeof(*args);
70142cd602SBen Skeggs args->engineInstance = oclass->engine->subdev.inst;
71142cd602SBen Skeggs
72142cd602SBen Skeggs return nvkm_gsp_rm_alloc_wr(&obj->rm, args);
73142cd602SBen Skeggs }
74142cd602SBen Skeggs
75142cd602SBen Skeggs static void *
r535_nvdec_dtor(struct nvkm_engine * engine)76142cd602SBen Skeggs r535_nvdec_dtor(struct nvkm_engine *engine)
77142cd602SBen Skeggs {
78142cd602SBen Skeggs struct nvkm_nvdec *nvdec = nvkm_nvdec(engine);
79142cd602SBen Skeggs
80142cd602SBen Skeggs kfree(nvdec->engine.func);
81142cd602SBen Skeggs return nvdec;
82142cd602SBen Skeggs }
83142cd602SBen Skeggs
84142cd602SBen Skeggs int
r535_nvdec_new(const struct nvkm_engine_func * hw,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_nvdec ** pnvdec)85142cd602SBen Skeggs r535_nvdec_new(const struct nvkm_engine_func *hw, struct nvkm_device *device,
86142cd602SBen Skeggs enum nvkm_subdev_type type, int inst, struct nvkm_nvdec **pnvdec)
87142cd602SBen Skeggs {
88142cd602SBen Skeggs struct nvkm_engine_func *rm;
89142cd602SBen Skeggs int nclass;
90142cd602SBen Skeggs
91142cd602SBen Skeggs for (nclass = 0; hw->sclass[nclass].oclass; nclass++);
92142cd602SBen Skeggs
93142cd602SBen Skeggs if (!(rm = kzalloc(sizeof(*rm) + (nclass + 1) * sizeof(rm->sclass[0]), GFP_KERNEL)))
94142cd602SBen Skeggs return -ENOMEM;
95142cd602SBen Skeggs
96142cd602SBen Skeggs rm->dtor = r535_nvdec_dtor;
97142cd602SBen Skeggs for (int i = 0; i < nclass; i++) {
98142cd602SBen Skeggs rm->sclass[i].minver = hw->sclass[i].minver;
99142cd602SBen Skeggs rm->sclass[i].maxver = hw->sclass[i].maxver;
100142cd602SBen Skeggs rm->sclass[i].oclass = hw->sclass[i].oclass;
101142cd602SBen Skeggs rm->sclass[i].ctor = r535_nvdec_obj_ctor;
102142cd602SBen Skeggs }
103142cd602SBen Skeggs
104142cd602SBen Skeggs if (!(*pnvdec = kzalloc(sizeof(**pnvdec), GFP_KERNEL))) {
105142cd602SBen Skeggs kfree(rm);
106142cd602SBen Skeggs return -ENOMEM;
107142cd602SBen Skeggs }
108142cd602SBen Skeggs
109142cd602SBen Skeggs return nvkm_engine_ctor(rm, device, type, inst, true, &(*pnvdec)->engine);
110142cd602SBen Skeggs }
111