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#include "nvif/push.h"
26#include <nvif/push507c.h>
27
28#include <nvhw/class/cl917d.h>
29
30static int
31head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
32{
33	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
34	const int i = head->base.index;
35	int ret;
36
37	if ((ret = PUSH_WAIT(push, 2)))
38		return ret;
39
40	PUSH_MTHD(push, NV917D, HEAD_SET_DITHER_CONTROL(i),
41		  NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
42		  NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
43		  NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
44		  NVVAL(NV917D, HEAD_SET_DITHER_CONTROL, PHASE, 0));
45	return 0;
46}
47
48static int
49head917d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
50{
51	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
52	const int i = head->base.index;
53	u32 bounds = 0;
54	int ret;
55
56	if (asyh->base.cpp) {
57		switch (asyh->base.cpp) {
58		case 8: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_64); break;
59		case 4: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_32); break;
60		case 2: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16); break;
61		case 1: bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_8); break;
62		default:
63			WARN_ON(1);
64			break;
65		}
66		bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, USABLE, TRUE);
67		bounds |= NVDEF(NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, BASE_LUT, USAGE_1025);
68	}
69
70	if ((ret = PUSH_WAIT(push, 2)))
71		return ret;
72
73	PUSH_MTHD(push, NV917D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS(i), bounds);
74	return 0;
75}
76
77static int
78head917d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
79{
80	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
81	const int i = head->base.index;
82	int ret;
83
84	ret = PUSH_WAIT(push, 5);
85	if (ret)
86		return ret;
87
88	PUSH_MTHD(push, NV917D, HEAD_SET_CONTROL_CURSOR(i),
89		  NVDEF(NV917D, HEAD_SET_CONTROL_CURSOR, ENABLE, ENABLE) |
90		  NVVAL(NV917D, HEAD_SET_CONTROL_CURSOR, FORMAT, asyh->curs.format) |
91		  NVVAL(NV917D, HEAD_SET_CONTROL_CURSOR, SIZE, asyh->curs.layout) |
92		  NVVAL(NV917D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_X, 0) |
93		  NVVAL(NV917D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_Y, 0) |
94		  NVDEF(NV917D, HEAD_SET_CONTROL_CURSOR, COMPOSITION, ALPHA_BLEND),
95
96				HEAD_SET_OFFSET_CURSOR(i), asyh->curs.offset >> 8);
97
98	PUSH_MTHD(push, NV917D, HEAD_SET_CONTEXT_DMA_CURSOR(i), asyh->curs.handle);
99	return 0;
100}
101
102int
103head917d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
104		     struct nv50_head_atom *asyh)
105{
106	switch (asyw->state.fb->width) {
107	case  32: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W32_H32; break;
108	case  64: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W64_H64; break;
109	case 128: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W128_H128; break;
110	case 256: asyh->curs.layout = NV917D_HEAD_SET_CONTROL_CURSOR_SIZE_W256_H256; break;
111	default:
112		return -EINVAL;
113	}
114	return 0;
115}
116
117const struct nv50_head_func
118head917d = {
119	.view = head907d_view,
120	.mode = head907d_mode,
121	.olut = head907d_olut,
122	.olut_size = 1024,
123	.olut_set = head907d_olut_set,
124	.olut_clr = head907d_olut_clr,
125	.core_calc = head507d_core_calc,
126	.core_set = head907d_core_set,
127	.core_clr = head907d_core_clr,
128	.curs_layout = head917d_curs_layout,
129	.curs_format = head507d_curs_format,
130	.curs_set = head917d_curs_set,
131	.curs_clr = head907d_curs_clr,
132	.base = head917d_base,
133	.ovly = head907d_ovly,
134	.dither = head917d_dither,
135	.procamp = head907d_procamp,
136	.or = head907d_or,
137};
138