1 /* $NetBSD: nouveau_dispnv50_head907d.c,v 1.3 2021/12/19 10:49:47 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_head907d.c,v 1.3 2021/12/19 10:49:47 riastradh Exp $");
26
27 #include "head.h"
28 #include "core.h"
29
30 void
head907d_or(struct nv50_head * head,struct nv50_head_atom * asyh)31 head907d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
32 {
33 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
34 u32 *push;
35 if ((push = evo_wait(core, 3))) {
36 evo_mthd(push, 0x0404 + (head->base.index * 0x300), 2);
37 evo_data(push, 0x00000001 | asyh->or.depth << 6 |
38 asyh->or.nvsync << 4 |
39 asyh->or.nhsync << 3);
40 evo_data(push, 0x31ec6000 | head->base.index << 25 |
41 asyh->mode.interlace);
42 evo_kick(push, core);
43 }
44 }
45
46 void
head907d_procamp(struct nv50_head * head,struct nv50_head_atom * asyh)47 head907d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
48 {
49 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
50 u32 *push;
51 if ((push = evo_wait(core, 2))) {
52 evo_mthd(push, 0x0498 + (head->base.index * 0x300), 1);
53 evo_data(push, asyh->procamp.sat.sin << 20 |
54 asyh->procamp.sat.cos << 8);
55 evo_kick(push, core);
56 }
57 }
58
59 static void
head907d_dither(struct nv50_head * head,struct nv50_head_atom * asyh)60 head907d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
61 {
62 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
63 u32 *push;
64 if ((push = evo_wait(core, 2))) {
65 evo_mthd(push, 0x0490 + (head->base.index * 0x0300), 1);
66 evo_data(push, asyh->dither.mode << 3 |
67 asyh->dither.bits << 1 |
68 asyh->dither.enable);
69 evo_kick(push, core);
70 }
71 }
72
73 void
head907d_ovly(struct nv50_head * head,struct nv50_head_atom * asyh)74 head907d_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
75 {
76 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
77 u32 bounds = 0;
78 u32 *push;
79
80 if (asyh->ovly.cpp) {
81 switch (asyh->ovly.cpp) {
82 case 8: bounds |= 0x00000500; break;
83 case 4: bounds |= 0x00000300; break;
84 case 2: bounds |= 0x00000100; break;
85 default:
86 WARN_ON(1);
87 break;
88 }
89 bounds |= 0x00000001;
90 } else {
91 bounds |= 0x00000100;
92 }
93
94 if ((push = evo_wait(core, 2))) {
95 evo_mthd(push, 0x04d4 + head->base.index * 0x300, 1);
96 evo_data(push, bounds);
97 evo_kick(push, core);
98 }
99 }
100
101 static void
head907d_base(struct nv50_head * head,struct nv50_head_atom * asyh)102 head907d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
103 {
104 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
105 u32 bounds = 0;
106 u32 *push;
107
108 if (asyh->base.cpp) {
109 switch (asyh->base.cpp) {
110 case 8: bounds |= 0x00000500; break;
111 case 4: bounds |= 0x00000300; break;
112 case 2: bounds |= 0x00000100; break;
113 case 1: bounds |= 0x00000000; break;
114 default:
115 WARN_ON(1);
116 break;
117 }
118 bounds |= 0x00000001;
119 }
120
121 if ((push = evo_wait(core, 2))) {
122 evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
123 evo_data(push, bounds);
124 evo_kick(push, core);
125 }
126 }
127
128 void
head907d_curs_clr(struct nv50_head * head)129 head907d_curs_clr(struct nv50_head *head)
130 {
131 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
132 u32 *push;
133 if ((push = evo_wait(core, 4))) {
134 evo_mthd(push, 0x0480 + head->base.index * 0x300, 1);
135 evo_data(push, 0x05000000);
136 evo_mthd(push, 0x048c + head->base.index * 0x300, 1);
137 evo_data(push, 0x00000000);
138 evo_kick(push, core);
139 }
140 }
141
142 void
head907d_curs_set(struct nv50_head * head,struct nv50_head_atom * asyh)143 head907d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
144 {
145 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
146 u32 *push;
147 if ((push = evo_wait(core, 5))) {
148 evo_mthd(push, 0x0480 + head->base.index * 0x300, 2);
149 evo_data(push, 0x80000000 | asyh->curs.layout << 26 |
150 asyh->curs.format << 24);
151 evo_data(push, asyh->curs.offset >> 8);
152 evo_mthd(push, 0x048c + head->base.index * 0x300, 1);
153 evo_data(push, asyh->curs.handle);
154 evo_kick(push, core);
155 }
156 }
157
158 void
head907d_core_clr(struct nv50_head * head)159 head907d_core_clr(struct nv50_head *head)
160 {
161 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
162 u32 *push;
163 if ((push = evo_wait(core, 2))) {
164 evo_mthd(push, 0x0474 + head->base.index * 0x300, 1);
165 evo_data(push, 0x00000000);
166 evo_kick(push, core);
167 }
168 }
169
170 void
head907d_core_set(struct nv50_head * head,struct nv50_head_atom * asyh)171 head907d_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
172 {
173 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
174 u32 *push;
175 if ((push = evo_wait(core, 9))) {
176 evo_mthd(push, 0x0460 + head->base.index * 0x300, 1);
177 evo_data(push, asyh->core.offset >> 8);
178 evo_mthd(push, 0x0468 + head->base.index * 0x300, 4);
179 evo_data(push, asyh->core.h << 16 | asyh->core.w);
180 evo_data(push, asyh->core.layout << 24 |
181 (asyh->core.pitch >> 8) << 8 |
182 asyh->core.blocks << 8 |
183 asyh->core.blockh);
184 evo_data(push, asyh->core.format << 8);
185 evo_data(push, asyh->core.handle);
186 evo_mthd(push, 0x04b0 + head->base.index * 0x300, 1);
187 evo_data(push, asyh->core.y << 16 | asyh->core.x);
188 evo_kick(push, core);
189 }
190 }
191
192 void
head907d_olut_clr(struct nv50_head * head)193 head907d_olut_clr(struct nv50_head *head)
194 {
195 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
196 u32 *push;
197 if ((push = evo_wait(core, 4))) {
198 evo_mthd(push, 0x0448 + (head->base.index * 0x300), 1);
199 evo_data(push, 0x00000000);
200 evo_mthd(push, 0x045c + (head->base.index * 0x300), 1);
201 evo_data(push, 0x00000000);
202 evo_kick(push, core);
203 }
204 }
205
206 void
head907d_olut_set(struct nv50_head * head,struct nv50_head_atom * asyh)207 head907d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
208 {
209 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
210 u32 *push;
211 if ((push = evo_wait(core, 5))) {
212 evo_mthd(push, 0x0448 + (head->base.index * 0x300), 2);
213 evo_data(push, 0x80000000 | asyh->olut.mode << 24);
214 evo_data(push, asyh->olut.offset >> 8);
215 evo_mthd(push, 0x045c + (head->base.index * 0x300), 1);
216 evo_data(push, asyh->olut.handle);
217 evo_kick(push, core);
218 }
219 }
220
221 #ifdef __NetBSD__
222 #define __iomem __lut_iomem
223 #define readw(p) atomic_load_relaxed((const __iomem uint16_t *)(p))
224 #define writew(v,p) atomic_store_relaxed((__iomem uint16_t *)(p), (v))
225 #endif
226
227 void
head907d_olut_load(struct drm_color_lut * in,int size,void __iomem * mem)228 head907d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem)
229 {
230 for (; size--; in++, mem += 8) {
231 writew(drm_color_lut_extract(in-> red, 14) + 0x6000, mem + 0);
232 writew(drm_color_lut_extract(in->green, 14) + 0x6000, mem + 2);
233 writew(drm_color_lut_extract(in-> blue, 14) + 0x6000, mem + 4);
234 }
235
236 /* INTERPOLATE modes require a "next" entry to interpolate with,
237 * so we replicate the last entry to deal with this for now.
238 */
239 writew(readw(mem - 8), mem + 0);
240 writew(readw(mem - 6), mem + 2);
241 writew(readw(mem - 4), mem + 4);
242 }
243
244 bool
head907d_olut(struct nv50_head * head,struct nv50_head_atom * asyh,int size)245 head907d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
246 {
247 if (size != 256 && size != 1024)
248 return false;
249
250 asyh->olut.mode = size == 1024 ? 4 : 7;
251 asyh->olut.load = head907d_olut_load;
252 return true;
253 }
254
255 void
head907d_mode(struct nv50_head * head,struct nv50_head_atom * asyh)256 head907d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
257 {
258 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
259 struct nv50_head_mode *m = &asyh->mode;
260 u32 *push;
261 if ((push = evo_wait(core, 14))) {
262 evo_mthd(push, 0x0410 + (head->base.index * 0x300), 6);
263 evo_data(push, 0x00000000);
264 evo_data(push, m->v.active << 16 | m->h.active );
265 evo_data(push, m->v.synce << 16 | m->h.synce );
266 evo_data(push, m->v.blanke << 16 | m->h.blanke );
267 evo_data(push, m->v.blanks << 16 | m->h.blanks );
268 evo_data(push, m->v.blank2e << 16 | m->v.blank2s);
269 evo_mthd(push, 0x042c + (head->base.index * 0x300), 2);
270 evo_data(push, 0x00000000); /* ??? */
271 evo_data(push, 0xffffff00);
272 evo_mthd(push, 0x0450 + (head->base.index * 0x300), 3);
273 evo_data(push, m->clock * 1000);
274 evo_data(push, 0x00200000); /* ??? */
275 evo_data(push, m->clock * 1000);
276 evo_kick(push, core);
277 }
278 }
279
280 void
head907d_view(struct nv50_head * head,struct nv50_head_atom * asyh)281 head907d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
282 {
283 struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
284 u32 *push;
285 if ((push = evo_wait(core, 8))) {
286 evo_mthd(push, 0x0494 + (head->base.index * 0x300), 1);
287 evo_data(push, 0x00000000);
288 evo_mthd(push, 0x04b8 + (head->base.index * 0x300), 1);
289 evo_data(push, asyh->view.iH << 16 | asyh->view.iW);
290 evo_mthd(push, 0x04c0 + (head->base.index * 0x300), 3);
291 evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
292 evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
293 evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
294 evo_kick(push, core);
295 }
296 }
297
298 const struct nv50_head_func
299 head907d = {
300 .view = head907d_view,
301 .mode = head907d_mode,
302 .olut = head907d_olut,
303 .olut_size = 1024,
304 .olut_set = head907d_olut_set,
305 .olut_clr = head907d_olut_clr,
306 .core_calc = head507d_core_calc,
307 .core_set = head907d_core_set,
308 .core_clr = head907d_core_clr,
309 .curs_layout = head507d_curs_layout,
310 .curs_format = head507d_curs_format,
311 .curs_set = head907d_curs_set,
312 .curs_clr = head907d_curs_clr,
313 .base = head907d_base,
314 .ovly = head907d_ovly,
315 .dither = head907d_dither,
316 .procamp = head907d_procamp,
317 .or = head907d_or,
318 };
319