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 "head.h"
23 #include "core.h"
24 
25 static void
head917d_dither(struct nv50_head * head,struct nv50_head_atom * asyh)26 head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
27 {
28 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
29 	u32 *push;
30 	if ((push = evo_wait(core, 2))) {
31 		evo_mthd(push, 0x04a0 + (head->base.index * 0x0300), 1);
32 		evo_data(push, asyh->dither.mode << 3 |
33 			       asyh->dither.bits << 1 |
34 			       asyh->dither.enable);
35 		evo_kick(push, core);
36 	}
37 }
38 
39 static void
head917d_base(struct nv50_head * head,struct nv50_head_atom * asyh)40 head917d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
41 {
42 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
43 	u32 bounds = 0;
44 	u32 *push;
45 
46 	if (asyh->base.cpp) {
47 		switch (asyh->base.cpp) {
48 		case 8: bounds |= 0x00000500; break;
49 		case 4: bounds |= 0x00000300; break;
50 		case 2: bounds |= 0x00000100; break;
51 		case 1: bounds |= 0x00000000; break;
52 		default:
53 			WARN_ON(1);
54 			break;
55 		}
56 		bounds |= 0x00020001;
57 	}
58 
59 	if ((push = evo_wait(core, 2))) {
60 		evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
61 		evo_data(push, bounds);
62 		evo_kick(push, core);
63 	}
64 }
65 
66 int
head917d_curs_layout(struct nv50_head * head,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)67 head917d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
68 		     struct nv50_head_atom *asyh)
69 {
70 	switch (asyw->state.fb->width) {
71 	case  32: asyh->curs.layout = 0; break;
72 	case  64: asyh->curs.layout = 1; break;
73 	case 128: asyh->curs.layout = 2; break;
74 	case 256: asyh->curs.layout = 3; break;
75 	default:
76 		return -EINVAL;
77 	}
78 	return 0;
79 }
80 
81 const struct nv50_head_func
82 head917d = {
83 	.view = head907d_view,
84 	.mode = head907d_mode,
85 	.olut = head907d_olut,
86 	.olut_set = head907d_olut_set,
87 	.olut_clr = head907d_olut_clr,
88 	.core_calc = head507d_core_calc,
89 	.core_set = head907d_core_set,
90 	.core_clr = head907d_core_clr,
91 	.curs_layout = head917d_curs_layout,
92 	.curs_format = head507d_curs_format,
93 	.curs_set = head907d_curs_set,
94 	.curs_clr = head907d_curs_clr,
95 	.base = head917d_base,
96 	.ovly = head907d_ovly,
97 	.dither = head917d_dither,
98 	.procamp = head907d_procamp,
99 	.or = head907d_or,
100 };
101