1/*
2 * Copyright 2021 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#include "priv.h"
23
24#include <subdev/gsp.h>
25#include <subdev/vfn.h>
26
27#include <nvif/class.h>
28
29static irqreturn_t
30ga100_ce_intr(struct nvkm_inth *inth)
31{
32	struct nvkm_subdev *subdev = container_of(inth, typeof(*subdev), inth);
33
34	/*TODO*/
35	nvkm_error(subdev, "intr\n");
36	return IRQ_NONE;
37}
38
39int
40ga100_ce_nonstall(struct nvkm_engine *engine)
41{
42	struct nvkm_subdev *subdev = &engine->subdev;
43	struct nvkm_device *device = subdev->device;
44
45	return nvkm_rd32(device, 0x104424 + (subdev->inst * 0x80)) & 0x00000fff;
46}
47
48int
49ga100_ce_fini(struct nvkm_engine *engine, bool suspend)
50{
51	nvkm_inth_block(&engine->subdev.inth);
52	return 0;
53}
54
55int
56ga100_ce_init(struct nvkm_engine *engine)
57{
58	nvkm_inth_allow(&engine->subdev.inth);
59	return 0;
60}
61
62int
63ga100_ce_oneinit(struct nvkm_engine *engine)
64{
65	struct nvkm_subdev *subdev = &engine->subdev;
66	struct nvkm_device *device = subdev->device;
67	u32 vector;
68
69	vector = nvkm_rd32(device, 0x10442c + (subdev->inst * 0x80)) & 0x00000fff;
70
71	return nvkm_inth_add(&device->vfn->intr, vector, NVKM_INTR_PRIO_NORMAL,
72			     subdev, ga100_ce_intr, &subdev->inth);
73}
74
75static const struct nvkm_engine_func
76ga100_ce = {
77	.oneinit = ga100_ce_oneinit,
78	.init = ga100_ce_init,
79	.fini = ga100_ce_fini,
80	.nonstall = ga100_ce_nonstall,
81	.cclass = &gv100_ce_cclass,
82	.sclass = {
83		{ -1, -1, AMPERE_DMA_COPY_A },
84		{}
85	}
86};
87
88int
89ga100_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
90	     struct nvkm_engine **pengine)
91{
92	if (nvkm_gsp_rm(device->gsp))
93		return r535_ce_new(&ga100_ce, device, type, inst, pengine);
94
95	return nvkm_engine_new_(&ga100_ce, device, type, inst, true, pengine);
96}
97