summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
blob: 291c08117ab65337f7a9d8567cec08207cd555db (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 * Copyright 2018 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "curs.h"
#include "core.h"
#include "head.h"

#include <nvif/cl507a.h>

#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>

static void
curs507a_update(struct nv50_wndw *wndw, u32 *interlock)
{
	nvif_wr32(&wndw->wimm.base.user, 0x0080, 0x00000000);
}

static void
curs507a_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{
	nvif_wr32(&wndw->wimm.base.user, 0x0084, asyw->point.y << 16 |
						 asyw->point.x);
}

const struct nv50_wimm_func
curs507a = {
	.point = curs507a_point,
	.update = curs507a_update,
};

static void
curs507a_prepare(struct nv50_wndw *wndw, struct nv50_head_atom *asyh,
		 struct nv50_wndw_atom *asyw)
{
	u32 handle = nv50_disp(wndw->plane.dev)->core->chan.vram.handle;
	u32 offset = asyw->image.offset[0];
	if (asyh->curs.handle != handle || asyh->curs.offset != offset) {
		asyh->curs.handle = handle;
		asyh->curs.offset = offset;
		asyh->set.curs = asyh->curs.visible;
	}
}

static void
curs507a_release(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
		 struct nv50_head_atom *asyh)
{
	asyh->curs.visible = false;
}

static int
curs507a_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
		 struct nv50_head_atom *asyh)
{
	struct nv50_head *head = nv50_head(asyw->state.crtc);
	int ret;

	ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
						  DRM_PLANE_HELPER_NO_SCALING,
						  DRM_PLANE_HELPER_NO_SCALING,
						  true, true);
	asyh->curs.visible = asyw->state.visible;
	if (ret || !asyh->curs.visible)
		return ret;

	if (asyw->image.w != asyw->image.h)
		return -EINVAL;

	ret = head->func->curs_layout(head, asyw, asyh);
	if (ret)
		return ret;

	return head->func->curs_format(head, asyw, asyh);
}

static const u32
curs507a_format[] = {
	DRM_FORMAT_ARGB8888,
	0
};

static const struct nv50_wndw_func
curs507a_wndw = {
	.acquire = curs507a_acquire,
	.release = curs507a_release,
	.prepare = curs507a_prepare,
};

int
curs507a_new_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
	      int head, s32 oclass, u32 interlock_data,
	      struct nv50_wndw **pwndw)
{
	struct nv50_disp_cursor_v0 args = {
		.head = head,
	};
	struct nv50_disp *disp = nv50_disp(drm->dev);
	struct nv50_wndw *wndw;
	int ret;

	ret = nv50_wndw_new_(&curs507a_wndw, drm->dev, DRM_PLANE_TYPE_CURSOR,
			     "curs", head, curs507a_format, BIT(head),
			     NV50_DISP_INTERLOCK_CURS, interlock_data, &wndw);
	if (*pwndw = wndw, ret)
		return ret;

	ret = nvif_object_init(&disp->disp->object, 0, oclass, &args,
			       sizeof(args), &wndw->wimm.base.user);
	if (ret) {
		NV_ERROR(drm, "curs%04x allocation failed: %d\n", oclass, ret);
		return ret;
	}

	nvif_object_map(&wndw->wimm.base.user, NULL, 0);
	wndw->immd = func;
	wndw->ctxdma.parent = &disp->core->chan.base.user;
	return 0;
}

int
curs507a_new(struct nouveau_drm *drm, int head, s32 oclass,
	     struct nv50_wndw **pwndw)
{
	return curs507a_new_(&curs507a, drm, head, oclass,
			     0x00000001 << (head * 8), pwndw);
}