summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
blob: 32a7f9e85fb0e529b3451d5930786024c659f8a6 (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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/*
 * 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 "head.h"
#include "atom.h"
#include "core.h"

static void
headc57d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
	u32 *push;
	if ((push = evo_wait(core, 2))) {
		/*XXX: This is a dirty hack until OR depth handling is
		 *     improved later for deep colour etc.
		 */
		switch (asyh->or.depth) {
		case 6: asyh->or.depth = 5; break;
		case 5: asyh->or.depth = 4; break;
		case 2: asyh->or.depth = 1; break;
		case 0:	asyh->or.depth = 4; break;
		default:
			WARN_ON(1);
			break;
		}

		evo_mthd(push, 0x2004 + (head->base.index * 0x400), 1);
		evo_data(push, 0xfc000001 |
			       asyh->or.depth << 4 |
			       asyh->or.nvsync << 3 |
			       asyh->or.nhsync << 2);
		evo_kick(push, core);
	}
}

static void
headc57d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
	u32 *push;
	if ((push = evo_wait(core, 2))) {
		evo_mthd(push, 0x2000 + (head->base.index * 0x400), 1);
#if 0
		evo_data(push, 0x80000000 |
			       asyh->procamp.sat.sin << 16 |
			       asyh->procamp.sat.cos << 4);
#else
		evo_data(push, 0);
#endif
		evo_kick(push, core);
	}
}

void
headc57d_olut_clr(struct nv50_head *head)
{
	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
	u32 *push;
	if ((push = evo_wait(core, 2))) {
		evo_mthd(push, 0x2288 + (head->base.index * 0x400), 1);
		evo_data(push, 0x00000000);
		evo_kick(push, core);
	}
}

void
headc57d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
	u32 *push;
	if ((push = evo_wait(core, 4))) {
		evo_mthd(push, 0x2280 + (head->base.index * 0x400), 4);
		evo_data(push, asyh->olut.size << 8 |
			       asyh->olut.mode << 2 |
			       asyh->olut.output_mode);
		evo_data(push, 0xffffffff); /* FP_NORM_SCALE. */
		evo_data(push, asyh->olut.handle);
		evo_data(push, asyh->olut.offset >> 8);
		evo_kick(push, core);
	}
}

static void
headc57d_olut_load_8(struct drm_color_lut *in, int size, void __iomem *mem)
{
	memset_io(mem, 0x00, 0x20); /* VSS header. */
	mem += 0x20;

	while (size--) {
		u16 r = drm_color_lut_extract(in->  red + 0, 16);
		u16 g = drm_color_lut_extract(in->green + 0, 16);
		u16 b = drm_color_lut_extract(in-> blue + 0, 16);
		u16 ri = 0, gi = 0, bi = 0, i;

		if (in++, size) {
			ri = (drm_color_lut_extract(in->  red, 16) - r) / 4;
			gi = (drm_color_lut_extract(in->green, 16) - g) / 4;
			bi = (drm_color_lut_extract(in-> blue, 16) - b) / 4;
		}

		for (i = 0; i < 4; i++, mem += 8) {
			writew(r + ri * i, mem + 0);
			writew(g + gi * i, mem + 2);
			writew(b + bi * i, mem + 4);
		}
	}

	/* INTERPOLATE modes require a "next" entry to interpolate with,
	 * so we replicate the last entry to deal with this for now.
	 */
	writew(readw(mem - 8), mem + 0);
	writew(readw(mem - 6), mem + 2);
	writew(readw(mem - 4), mem + 4);
}

static void
headc57d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem)
{
	memset_io(mem, 0x00, 0x20); /* VSS header. */
	mem += 0x20;

	for (; size--; in++, mem += 0x08) {
		writew(drm_color_lut_extract(in->  red, 16), mem + 0);
		writew(drm_color_lut_extract(in->green, 16), mem + 2);
		writew(drm_color_lut_extract(in-> blue, 16), mem + 4);
	}

	/* INTERPOLATE modes require a "next" entry to interpolate with,
	 * so we replicate the last entry to deal with this for now.
	 */
	writew(readw(mem - 8), mem + 0);
	writew(readw(mem - 6), mem + 2);
	writew(readw(mem - 4), mem + 4);
}

void
headc57d_olut(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	asyh->olut.mode = 2; /* DIRECT10 */
	asyh->olut.size = 4 /* VSS header. */ + 1024 + 1 /* Entries. */;
	asyh->olut.output_mode = 1; /* INTERPOLATE_ENABLE. */
	if (asyh->state.gamma_lut &&
	    asyh->state.gamma_lut->length / sizeof(struct drm_color_lut) == 256)
		asyh->olut.load = headc57d_olut_load_8;
	else
		asyh->olut.load = headc57d_olut_load;
}

static void
headc57d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
{
	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
	struct nv50_head_mode *m = &asyh->mode;
	u32 *push;
	if ((push = evo_wait(core, 12))) {
		evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5);
		evo_data(push, (m->v.active  << 16) | m->h.active );
		evo_data(push, (m->v.synce   << 16) | m->h.synce  );
		evo_data(push, (m->v.blanke  << 16) | m->h.blanke );
		evo_data(push, (m->v.blanks  << 16) | m->h.blanks );
		evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
		evo_mthd(push, 0x200c + (head->base.index * 0x400), 1);
		evo_data(push, m->clock * 1000);
		evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1);
		evo_data(push, m->clock * 1000);
		/*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */
		evo_mthd(push, 0x2030 + (head->base.index * 0x400), 1);
		evo_data(push, 0x00001014);
		evo_kick(push, core);
	}
}

const struct nv50_head_func
headc57d = {
	.view = headc37d_view,
	.mode = headc57d_mode,
	.olut = headc57d_olut,
	.olut_identity = true,
	.olut_set = headc57d_olut_set,
	.olut_clr = headc57d_olut_clr,
	.curs_layout = head917d_curs_layout,
	.curs_format = headc37d_curs_format,
	.curs_set = headc37d_curs_set,
	.curs_clr = headc37d_curs_clr,
	.dither = headc37d_dither,
	.procamp = headc57d_procamp,
	.or = headc57d_or,
};
OpenPOWER on IntegriCloud