1 /* $NetBSD: nouveau_dispnv50_base907c.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_base907c.c,v 1.2 2021/12/18 23:45:32 riastradh Exp $");
26
27 #include "base.h"
28
29 static void
base907c_image_set(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)30 base907c_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
31 {
32 u32 *push;
33 if ((push = evo_wait(&wndw->wndw, 10))) {
34 evo_mthd(push, 0x0084, 1);
35 evo_data(push, asyw->image.mode << 8 |
36 asyw->image.interval << 4);
37 evo_mthd(push, 0x00c0, 1);
38 evo_data(push, asyw->image.handle[0]);
39 evo_mthd(push, 0x0400, 5);
40 evo_data(push, asyw->image.offset[0] >> 8);
41 evo_data(push, 0x00000000);
42 evo_data(push, asyw->image.h << 16 | asyw->image.w);
43 evo_data(push, asyw->image.layout << 24 |
44 (asyw->image.pitch[0] >> 8) << 8 |
45 asyw->image.blocks[0] << 8 |
46 asyw->image.blockh);
47 evo_data(push, asyw->image.format << 8);
48 evo_kick(push, &wndw->wndw);
49 }
50 }
51
52 static void
base907c_xlut_clr(struct nv50_wndw * wndw)53 base907c_xlut_clr(struct nv50_wndw *wndw)
54 {
55 u32 *push;
56 if ((push = evo_wait(&wndw->wndw, 6))) {
57 evo_mthd(push, 0x00e0, 1);
58 evo_data(push, 0x00000000);
59 evo_mthd(push, 0x00e8, 1);
60 evo_data(push, 0x00000000);
61 evo_mthd(push, 0x00fc, 1);
62 evo_data(push, 0x00000000);
63 evo_kick(push, &wndw->wndw);
64 }
65 }
66
67 static void
base907c_xlut_set(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)68 base907c_xlut_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
69 {
70 u32 *push;
71 if ((push = evo_wait(&wndw->wndw, 6))) {
72 evo_mthd(push, 0x00e0, 3);
73 evo_data(push, asyw->xlut.i.enable << 30 |
74 asyw->xlut.i.mode << 24);
75 evo_data(push, asyw->xlut.i.offset >> 8);
76 evo_data(push, 0x40000000);
77 evo_mthd(push, 0x00fc, 1);
78 evo_data(push, asyw->xlut.handle);
79 evo_kick(push, &wndw->wndw);
80 }
81 }
82
83 static bool
base907c_ilut(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw,int size)84 base907c_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
85 {
86 if (size != 256 && size != 1024)
87 return false;
88
89 asyw->xlut.i.mode = size == 1024 ? 4 : 7;
90 asyw->xlut.i.enable = 2;
91 asyw->xlut.i.load = head907d_olut_load;
92 return true;
93 }
94
95 static inline u32
csc_drm_to_base(u64 in)96 csc_drm_to_base(u64 in)
97 {
98 /* base takes a 19-bit 2's complement value in S3.16 format */
99 bool sign = in & BIT_ULL(63);
100 u32 integer = (in >> 32) & 0x7fffffff;
101 u32 fraction = in & 0xffffffff;
102
103 if (integer >= 4) {
104 return (1 << 18) - (sign ? 0 : 1);
105 } else {
106 u32 ret = (integer << 16) | (fraction >> 16);
107 if (sign)
108 ret = -ret;
109 return ret & GENMASK(18, 0);
110 }
111 }
112
113 void
base907c_csc(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw,const struct drm_color_ctm * ctm)114 base907c_csc(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
115 const struct drm_color_ctm *ctm)
116 {
117 int i, j;
118
119 for (j = 0; j < 3; j++) {
120 for (i = 0; i < 4; i++) {
121 u32 *val = &asyw->csc.matrix[j * 4 + i];
122 /* DRM does not support constant offset, while
123 * HW CSC does. Skip it. */
124 if (i == 3) {
125 *val = 0;
126 } else {
127 *val = csc_drm_to_base(ctm->matrix[j * 3 + i]);
128 }
129 }
130 }
131 }
132
133 static void
base907c_csc_clr(struct nv50_wndw * wndw)134 base907c_csc_clr(struct nv50_wndw *wndw)
135 {
136 u32 *push;
137 if ((push = evo_wait(&wndw->wndw, 2))) {
138 evo_mthd(push, 0x0140, 1);
139 evo_data(push, 0x00000000);
140 evo_kick(push, &wndw->wndw);
141 }
142 }
143
144 static void
base907c_csc_set(struct nv50_wndw * wndw,struct nv50_wndw_atom * asyw)145 base907c_csc_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
146 {
147 u32 *push, i;
148 if ((push = evo_wait(&wndw->wndw, 13))) {
149 evo_mthd(push, 0x0140, 12);
150 evo_data(push, asyw->csc.matrix[0] | 0x80000000);
151 for (i = 1; i < 12; i++)
152 evo_data(push, asyw->csc.matrix[i]);
153 evo_kick(push, &wndw->wndw);
154 }
155 }
156
157 const struct nv50_wndw_func
158 base907c = {
159 .acquire = base507c_acquire,
160 .release = base507c_release,
161 .sema_set = base507c_sema_set,
162 .sema_clr = base507c_sema_clr,
163 .ntfy_reset = base507c_ntfy_reset,
164 .ntfy_set = base507c_ntfy_set,
165 .ntfy_clr = base507c_ntfy_clr,
166 .ntfy_wait_begun = base507c_ntfy_wait_begun,
167 .ilut = base907c_ilut,
168 .csc = base907c_csc,
169 .csc_set = base907c_csc_set,
170 .csc_clr = base907c_csc_clr,
171 .olut_core = true,
172 .ilut_size = 1024,
173 .xlut_set = base907c_xlut_set,
174 .xlut_clr = base907c_xlut_clr,
175 .image_set = base907c_image_set,
176 .image_clr = base507c_image_clr,
177 .update = base507c_update,
178 };
179
180 int
base907c_new(struct nouveau_drm * drm,int head,s32 oclass,struct nv50_wndw ** pwndw)181 base907c_new(struct nouveau_drm *drm, int head, s32 oclass,
182 struct nv50_wndw **pwndw)
183 {
184 return base507c_new_(&base907c, base507c_format, drm, head, oclass,
185 0x00000002 << (head * 4), pwndw);
186 }
187