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