1/*	$NetBSD: nouveau_dispnv50_headc37d.c,v 1.2 2021/12/18 23:45:32 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_dispnv50_headc37d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27#include "head.h"
28#include "atom.h"
29#include "core.h"
30
31static void
32headc37d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
33{
34	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
35	u32 *push;
36	if ((push = evo_wait(core, 2))) {
37		/*XXX: This is a dirty hack until OR depth handling is
38		 *     improved later for deep colour etc.
39		 */
40		switch (asyh->or.depth) {
41		case 6: asyh->or.depth = 5; break;
42		case 5: asyh->or.depth = 4; break;
43		case 2: asyh->or.depth = 1; break;
44		case 0:	asyh->or.depth = 4; break;
45		default:
46			WARN_ON(1);
47			break;
48		}
49
50		evo_mthd(push, 0x2004 + (head->base.index * 0x400), 1);
51		evo_data(push, 0x00000001 |
52			       asyh->or.depth << 4 |
53			       asyh->or.nvsync << 3 |
54			       asyh->or.nhsync << 2);
55		evo_kick(push, core);
56	}
57}
58
59static void
60headc37d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
61{
62	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
63	u32 *push;
64	if ((push = evo_wait(core, 2))) {
65		evo_mthd(push, 0x2000 + (head->base.index * 0x400), 1);
66		evo_data(push, 0x80000000 |
67			       asyh->procamp.sat.sin << 16 |
68			       asyh->procamp.sat.cos << 4);
69		evo_kick(push, core);
70	}
71}
72
73void
74headc37d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
75{
76	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
77	u32 *push;
78	if ((push = evo_wait(core, 2))) {
79		evo_mthd(push, 0x2018 + (head->base.index * 0x0400), 1);
80		evo_data(push, asyh->dither.mode << 8 |
81			       asyh->dither.bits << 4 |
82			       asyh->dither.enable);
83		evo_kick(push, core);
84	}
85}
86
87void
88headc37d_curs_clr(struct nv50_head *head)
89{
90	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
91	u32 *push;
92	if ((push = evo_wait(core, 4))) {
93		evo_mthd(push, 0x209c + head->base.index * 0x400, 1);
94		evo_data(push, 0x000000cf);
95		evo_mthd(push, 0x2088 + head->base.index * 0x400, 1);
96		evo_data(push, 0x00000000);
97		evo_kick(push, core);
98	}
99}
100
101void
102headc37d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
103{
104	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
105	u32 *push;
106	if ((push = evo_wait(core, 7))) {
107		evo_mthd(push, 0x209c + head->base.index * 0x400, 2);
108		evo_data(push, 0x80000000 |
109			       asyh->curs.layout << 8 |
110			       asyh->curs.format << 0);
111		evo_data(push, 0x000072ff);
112		evo_mthd(push, 0x2088 + head->base.index * 0x400, 1);
113		evo_data(push, asyh->curs.handle);
114		evo_mthd(push, 0x2090 + head->base.index * 0x400, 1);
115		evo_data(push, asyh->curs.offset >> 8);
116		evo_kick(push, core);
117	}
118}
119
120int
121headc37d_curs_format(struct nv50_head *head, struct nv50_wndw_atom *asyw,
122		     struct nv50_head_atom *asyh)
123{
124	asyh->curs.format = asyw->image.format;
125	return 0;
126}
127
128static void
129headc37d_olut_clr(struct nv50_head *head)
130{
131	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
132	u32 *push;
133	if ((push = evo_wait(core, 2))) {
134		evo_mthd(push, 0x20ac + (head->base.index * 0x400), 1);
135		evo_data(push, 0x00000000);
136		evo_kick(push, core);
137	}
138}
139
140static void
141headc37d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
142{
143	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
144	u32 *push;
145	if ((push = evo_wait(core, 4))) {
146		evo_mthd(push, 0x20a4 + (head->base.index * 0x400), 3);
147		evo_data(push, asyh->olut.output_mode << 8 |
148			       asyh->olut.range << 4 |
149			       asyh->olut.size);
150		evo_data(push, asyh->olut.offset >> 8);
151		evo_data(push, asyh->olut.handle);
152		evo_kick(push, core);
153	}
154}
155
156static bool
157headc37d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
158{
159	if (size != 256 && size != 1024)
160		return false;
161
162	asyh->olut.mode = 2;
163	asyh->olut.size = size == 1024 ? 2 : 0;
164	asyh->olut.range = 0;
165	asyh->olut.output_mode = 1;
166	asyh->olut.load = head907d_olut_load;
167	return true;
168}
169
170static void
171headc37d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
172{
173	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
174	struct nv50_head_mode *m = &asyh->mode;
175	u32 *push;
176	if ((push = evo_wait(core, 12))) {
177		evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5);
178		evo_data(push, (m->v.active  << 16) | m->h.active );
179		evo_data(push, (m->v.synce   << 16) | m->h.synce  );
180		evo_data(push, (m->v.blanke  << 16) | m->h.blanke );
181		evo_data(push, (m->v.blanks  << 16) | m->h.blanks );
182		evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
183		evo_mthd(push, 0x200c + (head->base.index * 0x400), 1);
184		evo_data(push, m->clock * 1000);
185		evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1);
186		evo_data(push, m->clock * 1000);
187		/*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */
188		evo_mthd(push, 0x2030 + (head->base.index * 0x400), 1);
189		evo_data(push, 0x00000124);
190		evo_kick(push, core);
191	}
192}
193
194void
195headc37d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
196{
197	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
198	u32 *push;
199	if ((push = evo_wait(core, 4))) {
200		evo_mthd(push, 0x204c + (head->base.index * 0x400), 1);
201		evo_data(push, (asyh->view.iH << 16) | asyh->view.iW);
202		evo_mthd(push, 0x2058 + (head->base.index * 0x400), 1);
203		evo_data(push, (asyh->view.oH << 16) | asyh->view.oW);
204		evo_kick(push, core);
205	}
206}
207
208const struct nv50_head_func
209headc37d = {
210	.view = headc37d_view,
211	.mode = headc37d_mode,
212	.olut = headc37d_olut,
213	.olut_size = 1024,
214	.olut_set = headc37d_olut_set,
215	.olut_clr = headc37d_olut_clr,
216	.curs_layout = head917d_curs_layout,
217	.curs_format = headc37d_curs_format,
218	.curs_set = headc37d_curs_set,
219	.curs_clr = headc37d_curs_clr,
220	.dither = headc37d_dither,
221	.procamp = headc37d_procamp,
222	.or = headc37d_or,
223};
224