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 
30 static int
31 head917d_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 
48 static int
49 head917d_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 
77 static int
78 head917d_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 
102 int
103 head917d_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 
117 const struct nv50_head_func
118 head917d = {
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