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 "base.h"
23 
24 static void
25 base907c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
26 {
27 	u32 *push;
28 	if ((push = evo_wait(&wndw->wndw, 10))) {
29 		evo_mthd(push, 0x0084, 1);
30 		evo_data(push, asyw->image.mode << 8 |
31 			       asyw->image.interval << 4);
32 		evo_mthd(push, 0x00c0, 1);
33 		evo_data(push, asyw->image.handle[0]);
34 		evo_mthd(push, 0x0400, 5);
35 		evo_data(push, asyw->image.offset[0] >> 8);
36 		evo_data(push, 0x00000000);
37 		evo_data(push, asyw->image.h << 16 | asyw->image.w);
38 		evo_data(push, asyw->image.layout << 24 |
39 			       (asyw->image.pitch[0] >> 8) << 8 |
40 			       asyw->image.blocks[0] << 8 |
41 			       asyw->image.blockh);
42 		evo_data(push, asyw->image.format << 8);
43 		evo_kick(push, &wndw->wndw);
44 	}
45 }
46 
47 static void
48 base907c_xlut_clr(struct nv50_wndw *wndw)
49 {
50 	u32 *push;
51 	if ((push = evo_wait(&wndw->wndw, 6))) {
52 		evo_mthd(push, 0x00e0, 1);
53 		evo_data(push, 0x00000000);
54 		evo_mthd(push, 0x00e8, 1);
55 		evo_data(push, 0x00000000);
56 		evo_mthd(push, 0x00fc, 1);
57 		evo_data(push, 0x00000000);
58 		evo_kick(push, &wndw->wndw);
59 	}
60 }
61 
62 static void
63 base907c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
64 {
65 	u32 *push;
66 	if ((push = evo_wait(&wndw->wndw, 6))) {
67 		evo_mthd(push, 0x00e0, 3);
68 		evo_data(push, asyw->xlut.i.enable << 30 |
69 			       asyw->xlut.i.mode << 24);
70 		evo_data(push, asyw->xlut.i.offset >> 8);
71 		evo_data(push, 0x40000000);
72 		evo_mthd(push, 0x00fc, 1);
73 		evo_data(push, asyw->xlut.handle);
74 		evo_kick(push, &wndw->wndw);
75 	}
76 }
77 
78 static void
79 base907c_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
80 {
81 	asyw->xlut.i.mode = 7;
82 	asyw->xlut.i.enable = 2;
83 	asyw->xlut.i.load = head907d_olut_load;
84 }
85 
86 static inline u32
87 csc_drm_to_base(u64 in)
88 {
89 	/* base takes a 19-bit 2's complement value in S3.16 format */
90 	bool sign = in & BIT_ULL(63);
91 	u32 integer = (in >> 32) & 0x7fffffff;
92 	u32 fraction = in & 0xffffffff;
93 
94 	if (integer >= 4) {
95 		return (1 << 18) - (sign ? 0 : 1);
96 	} else {
97 		u32 ret = (integer << 16) | (fraction >> 16);
98 		if (sign)
99 			ret = -ret;
100 		return ret & GENMASK(18, 0);
101 	}
102 }
103 
104 void
105 base907c_csc(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
106 	     const struct drm_color_ctm *ctm)
107 {
108 	int i, j;
109 
110 	for (j = 0; j < 3; j++) {
111 		for (i = 0; i < 4; i++) {
112 			u32 *val = &asyw->csc.matrix[j * 4 + i];
113 			/* DRM does not support constant offset, while
114 			 * HW CSC does. Skip it. */
115 			if (i == 3) {
116 				*val = 0;
117 			} else {
118 				*val = csc_drm_to_base(ctm->matrix[j * 3 + i]);
119 			}
120 		}
121 	}
122 }
123 
124 static void
125 base907c_csc_clr(struct nv50_wndw *wndw)
126 {
127 	u32 *push;
128 	if ((push = evo_wait(&wndw->wndw, 2))) {
129 		evo_mthd(push, 0x0140, 1);
130 		evo_data(push, 0x00000000);
131 		evo_kick(push, &wndw->wndw);
132 	}
133 }
134 
135 static void
136 base907c_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
137 {
138 	u32 *push, i;
139 	if ((push = evo_wait(&wndw->wndw, 13))) {
140 		evo_mthd(push, 0x0140, 12);
141 		evo_data(push, asyw->csc.matrix[0] | 0x80000000);
142 		for (i = 1; i < 12; i++)
143 			evo_data(push, asyw->csc.matrix[i]);
144 		evo_kick(push, &wndw->wndw);
145 	}
146 }
147 
148 const struct nv50_wndw_func
149 base907c = {
150 	.acquire = base507c_acquire,
151 	.release = base507c_release,
152 	.sema_set = base507c_sema_set,
153 	.sema_clr = base507c_sema_clr,
154 	.ntfy_reset = base507c_ntfy_reset,
155 	.ntfy_set = base507c_ntfy_set,
156 	.ntfy_clr = base507c_ntfy_clr,
157 	.ntfy_wait_begun = base507c_ntfy_wait_begun,
158 	.ilut = base907c_ilut,
159 	.csc = base907c_csc,
160 	.csc_set = base907c_csc_set,
161 	.csc_clr = base907c_csc_clr,
162 	.olut_core = true,
163 	.xlut_set = base907c_xlut_set,
164 	.xlut_clr = base907c_xlut_clr,
165 	.image_set = base907c_image_set,
166 	.image_clr = base507c_image_clr,
167 	.update = base507c_update,
168 };
169 
170 int
171 base907c_new(struct nouveau_drm *drm, int head, s32 oclass,
172 	     struct nv50_wndw **pwndw)
173 {
174 	return base507c_new_(&base907c, base507c_format, drm, head, oclass,
175 			     0x00000002 << (head * 4), pwndw);
176 }
177