1/*
2 * Copyright 2018 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 "core.h"
23#include "head.h"
24
25#include <nvif/push507c.h>
26#include <nvif/timer.h>
27
28#include <nvhw/class/cl907d.h>
29
30#include "nouveau_bo.h"
31
32int
33core907d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
34{
35	struct nv50_core *core = disp->core;
36	struct nouveau_bo *bo = disp->sync;
37	s64 time;
38	int ret;
39
40	NVBO_WR32(bo, NV50_DISP_CORE_NTFY, NV907D_CORE_NOTIFIER_3, CAPABILITIES_4,
41				     NVDEF(NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, FALSE));
42
43	ret = core507d_read_caps(disp);
44	if (ret < 0)
45		return ret;
46
47	time = nvif_msec(core->chan.base.device, 2000ULL,
48			 if (NVBO_TD32(bo, NV50_DISP_CORE_NTFY,
49				       NV907D_CORE_NOTIFIER_3, CAPABILITIES_4, DONE, ==, TRUE))
50				 break;
51			 usleep_range(1, 2);
52			 );
53	if (time < 0)
54		NV_ERROR(drm, "core caps notifier timeout\n");
55
56	return 0;
57}
58
59static const struct nv50_core_func
60core907d = {
61	.init = core507d_init,
62	.ntfy_init = core507d_ntfy_init,
63	.caps_init = core907d_caps_init,
64	.ntfy_wait_done = core507d_ntfy_wait_done,
65	.update = core507d_update,
66	.head = &head907d,
67#if IS_ENABLED(CONFIG_DEBUG_FS)
68	.crc = &crc907d,
69#endif
70	.dac = &dac907d,
71	.sor = &sor907d,
72};
73
74int
75core907d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
76{
77	return core507d_new_(&core907d, drm, oclass, pcore);
78}
79