1 /* $NetBSD: nouveau_dispnv50_head917d.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_head917d.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27 #include "head.h"
28 #include "core.h"
29
30 static void
head917d_dither(struct nv50_head * head,struct nv50_head_atom * asyh)31 head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
32 {
33 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
34 u32 *push;
35 if ((push = evo_wait(core, 2))) {
36 evo_mthd(push, 0x04a0 + (head->base.index * 0x0300), 1);
37 evo_data(push, asyh->dither.mode << 3 |
38 asyh->dither.bits << 1 |
39 asyh->dither.enable);
40 evo_kick(push, core);
41 }
42 }
43
44 static void
head917d_base(struct nv50_head * head,struct nv50_head_atom * asyh)45 head917d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
46 {
47 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
48 u32 bounds = 0;
49 u32 *push;
50
51 if (asyh->base.cpp) {
52 switch (asyh->base.cpp) {
53 case 8: bounds |= 0x00000500; break;
54 case 4: bounds |= 0x00000300; break;
55 case 2: bounds |= 0x00000100; break;
56 case 1: bounds |= 0x00000000; break;
57 default:
58 WARN_ON(1);
59 break;
60 }
61 bounds |= 0x00020001;
62 }
63
64 if ((push = evo_wait(core, 2))) {
65 evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
66 evo_data(push, bounds);
67 evo_kick(push, core);
68 }
69 }
70
71 int
head917d_curs_layout(struct nv50_head * head,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)72 head917d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
73 struct nv50_head_atom *asyh)
74 {
75 switch (asyw->state.fb->width) {
76 case 32: asyh->curs.layout = 0; break;
77 case 64: asyh->curs.layout = 1; break;
78 case 128: asyh->curs.layout = 2; break;
79 case 256: asyh->curs.layout = 3; break;
80 default:
81 return -EINVAL;
82 }
83 return 0;
84 }
85
86 const struct nv50_head_func
87 head917d = {
88 .view = head907d_view,
89 .mode = head907d_mode,
90 .olut = head907d_olut,
91 .olut_size = 1024,
92 .olut_set = head907d_olut_set,
93 .olut_clr = head907d_olut_clr,
94 .core_calc = head507d_core_calc,
95 .core_set = head907d_core_set,
96 .core_clr = head907d_core_clr,
97 .curs_layout = head917d_curs_layout,
98 .curs_format = head507d_curs_format,
99 .curs_set = head907d_curs_set,
100 .curs_clr = head907d_curs_clr,
101 .base = head917d_base,
102 .ovly = head907d_ovly,
103 .dither = head917d_dither,
104 .procamp = head907d_procamp,
105 .or = head907d_or,
106 };
107