1/*	$NetBSD: nouveau_nvkm_engine_disp_cursgv100.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
2
3/*
4 * Copyright 2018 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24#include <sys/cdefs.h>
25__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_cursgv100.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
26
27#include "channv50.h"
28
29#include <subdev/timer.h>
30
31static int
32gv100_disp_curs_idle(struct nv50_disp_chan *chan)
33{
34	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
35	const u32 soff = (chan->chid.ctrl - 1) * 0x04;
36	nvkm_msec(device, 2000,
37		u32 stat = nvkm_rd32(device, 0x610664 + soff);
38		if ((stat & 0x00070000) == 0x00040000)
39			return 0;
40	);
41	return -EBUSY;
42}
43
44static void
45gv100_disp_curs_intr(struct nv50_disp_chan *chan, bool en)
46{
47	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
48	const u32 mask = 0x00010000 << chan->head;
49	const u32 data = en ? mask : 0;
50	nvkm_mask(device, 0x611dac, mask, data);
51}
52
53static void
54gv100_disp_curs_fini(struct nv50_disp_chan *chan)
55{
56	struct nvkm_device *device = chan->disp->base.engine.subdev.device;
57	const u32 hoff = chan->chid.ctrl * 4;
58	nvkm_mask(device, 0x6104e0 + hoff, 0x00000010, 0x00000010);
59	gv100_disp_curs_idle(chan);
60	nvkm_mask(device, 0x6104e0 + hoff, 0x00000001, 0x00000000);
61}
62
63static int
64gv100_disp_curs_init(struct nv50_disp_chan *chan)
65{
66	struct nvkm_subdev *subdev = &chan->disp->base.engine.subdev;
67	struct nvkm_device *device = subdev->device;
68	nvkm_wr32(device, 0x6104e0 + chan->chid.ctrl * 4, 0x00000001);
69	return gv100_disp_curs_idle(chan);
70}
71
72static const struct nv50_disp_chan_func
73gv100_disp_curs = {
74	.init = gv100_disp_curs_init,
75	.fini = gv100_disp_curs_fini,
76	.intr = gv100_disp_curs_intr,
77	.user = gv100_disp_chan_user,
78};
79
80int
81gv100_disp_curs_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
82		    struct nv50_disp *disp, struct nvkm_object **pobject)
83{
84	return nv50_disp_curs_new_(&gv100_disp_curs, disp, 73, 73,
85				   oclass, argv, argc, pobject);
86}
87