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/push507c.h>
26 
27 #include <nvhw/class/cl507d.h>
28 
29 int
30 head507d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
31 {
32 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
33 	const int i = head->base.index;
34 	int ret;
35 
36 	if ((ret = PUSH_WAIT(push, 2)))
37 		return ret;
38 
39 	PUSH_MTHD(push, NV507D, HEAD_SET_PROCAMP(i),
40 		  NVDEF(NV507D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) |
41 		  NVDEF(NV507D, HEAD_SET_PROCAMP, CHROMA_LPF, AUTO) |
42 		  NVVAL(NV507D, HEAD_SET_PROCAMP, SAT_COS, asyh->procamp.sat.cos) |
43 		  NVVAL(NV507D, HEAD_SET_PROCAMP, SAT_SINE, asyh->procamp.sat.sin) |
44 		  NVDEF(NV507D, HEAD_SET_PROCAMP, TRANSITION, HARD));
45 	return 0;
46 }
47 
48 int
49 head507d_dither(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 	int ret;
54 
55 	if ((ret = PUSH_WAIT(push, 2)))
56 		return ret;
57 
58 	PUSH_MTHD(push, NV507D, HEAD_SET_DITHER_CONTROL(i),
59 		  NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
60 		  NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
61 		  NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
62 		  NVVAL(NV507D, HEAD_SET_DITHER_CONTROL, PHASE, 0));
63 	return 0;
64 }
65 
66 int
67 head507d_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
68 {
69 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
70 	const int i = head->base.index;
71 	u32 bounds = 0;
72 	int ret;
73 
74 	if (asyh->ovly.cpp) {
75 		switch (asyh->ovly.cpp) {
76 		case 4: bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_32); break;
77 		case 2: bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16); break;
78 		default:
79 			WARN_ON(1);
80 			break;
81 		}
82 		bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, USABLE, TRUE);
83 	} else {
84 		bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16);
85 	}
86 
87 	if ((ret = PUSH_WAIT(push, 2)))
88 		return ret;
89 
90 	PUSH_MTHD(push, NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS(i), bounds);
91 	return 0;
92 }
93 
94 int
95 head507d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
96 {
97 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
98 	const int i = head->base.index;
99 	u32 bounds = 0;
100 	int ret;
101 
102 	if (asyh->base.cpp) {
103 		switch (asyh->base.cpp) {
104 		case 8: bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_64); break;
105 		case 4: bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_32); break;
106 		case 2: bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_16); break;
107 		case 1: bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, PIXEL_DEPTH, BPP_8); break;
108 		default:
109 			WARN_ON(1);
110 			break;
111 		}
112 		bounds |= NVDEF(NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS, USABLE, TRUE);
113 	}
114 
115 	if ((ret = PUSH_WAIT(push, 2)))
116 		return ret;
117 
118 	PUSH_MTHD(push, NV507D, HEAD_SET_BASE_CHANNEL_USAGE_BOUNDS(i), bounds);
119 	return 0;
120 }
121 
122 static int
123 head507d_curs_clr(struct nv50_head *head)
124 {
125 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
126 	const int i = head->base.index;
127 	int ret;
128 
129 	if ((ret = PUSH_WAIT(push, 2)))
130 		return ret;
131 
132 	PUSH_MTHD(push, NV507D, HEAD_SET_CONTROL_CURSOR(i),
133 		  NVDEF(NV507D, HEAD_SET_CONTROL_CURSOR, ENABLE, DISABLE) |
134 		  NVDEF(NV507D, HEAD_SET_CONTROL_CURSOR, FORMAT, A8R8G8B8) |
135 		  NVDEF(NV507D, HEAD_SET_CONTROL_CURSOR, SIZE, W64_H64));
136 	return 0;
137 }
138 
139 static int
140 head507d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
141 {
142 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
143 	const int i = head->base.index;
144 	int ret;
145 
146 	if ((ret = PUSH_WAIT(push, 3)))
147 		return ret;
148 
149 	PUSH_MTHD(push, NV507D, HEAD_SET_CONTROL_CURSOR(i),
150 		  NVDEF(NV507D, HEAD_SET_CONTROL_CURSOR, ENABLE, ENABLE) |
151 		  NVVAL(NV507D, HEAD_SET_CONTROL_CURSOR, FORMAT, asyh->curs.format) |
152 		  NVVAL(NV507D, HEAD_SET_CONTROL_CURSOR, SIZE, asyh->curs.layout) |
153 		  NVVAL(NV507D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_X, 0) |
154 		  NVVAL(NV507D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_Y, 0) |
155 		  NVDEF(NV507D, HEAD_SET_CONTROL_CURSOR, COMPOSITION, ALPHA_BLEND) |
156 		  NVDEF(NV507D, HEAD_SET_CONTROL_CURSOR, SUB_OWNER, NONE),
157 
158 				HEAD_SET_OFFSET_CURSOR(i), asyh->curs.offset >> 8);
159 	return 0;
160 }
161 
162 int
163 head507d_curs_format(struct nv50_head *head, struct nv50_wndw_atom *asyw,
164 		     struct nv50_head_atom *asyh)
165 {
166 	switch (asyw->image.format) {
167 	case 0xcf: asyh->curs.format = NV507D_HEAD_SET_CONTROL_CURSOR_FORMAT_A8R8G8B8; break;
168 	default:
169 		WARN_ON(1);
170 		return -EINVAL;
171 	}
172 	return 0;
173 }
174 
175 int
176 head507d_curs_layout(struct nv50_head *head, struct nv50_wndw_atom *asyw,
177 		     struct nv50_head_atom *asyh)
178 {
179 	switch (asyw->image.w) {
180 	case 32: asyh->curs.layout = NV507D_HEAD_SET_CONTROL_CURSOR_SIZE_W32_H32; break;
181 	case 64: asyh->curs.layout = NV507D_HEAD_SET_CONTROL_CURSOR_SIZE_W64_H64; break;
182 	default:
183 		return -EINVAL;
184 	}
185 	return 0;
186 }
187 
188 int
189 head507d_core_clr(struct nv50_head *head)
190 {
191 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
192 	const int i = head->base.index;
193 	int ret;
194 
195 	if ((ret = PUSH_WAIT(push, 2)))
196 		return ret;
197 
198 	PUSH_MTHD(push, NV507D, HEAD_SET_CONTEXT_DMA_ISO(i), 0x00000000);
199 	return 0;
200 }
201 
202 static int
203 head507d_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
204 {
205 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
206 	const int i = head->base.index;
207 	int ret;
208 
209 	if ((ret = PUSH_WAIT(push, 9)))
210 		return ret;
211 
212 	PUSH_MTHD(push, NV507D, HEAD_SET_OFFSET(i, 0),
213 		  NVVAL(NV507D, HEAD_SET_OFFSET, ORIGIN, asyh->core.offset >> 8));
214 
215 	PUSH_MTHD(push, NV507D, HEAD_SET_SIZE(i),
216 		  NVVAL(NV507D, HEAD_SET_SIZE, WIDTH, asyh->core.w) |
217 		  NVVAL(NV507D, HEAD_SET_SIZE, HEIGHT, asyh->core.h),
218 
219 				HEAD_SET_STORAGE(i),
220 		  NVVAL(NV507D, HEAD_SET_STORAGE, BLOCK_HEIGHT, asyh->core.blockh) |
221 		  NVVAL(NV507D, HEAD_SET_STORAGE, PITCH, asyh->core.pitch >> 8) |
222 		  NVVAL(NV507D, HEAD_SET_STORAGE, PITCH, asyh->core.blocks) |
223 		  NVVAL(NV507D, HEAD_SET_STORAGE, MEMORY_LAYOUT, asyh->core.layout),
224 
225 				HEAD_SET_PARAMS(i),
226 		  NVVAL(NV507D, HEAD_SET_PARAMS, FORMAT, asyh->core.format) |
227 		  NVVAL(NV507D, HEAD_SET_PARAMS, KIND, asyh->core.kind) |
228 		  NVDEF(NV507D, HEAD_SET_PARAMS, PART_STRIDE, PARTSTRIDE_256),
229 
230 				HEAD_SET_CONTEXT_DMA_ISO(i),
231 		  NVVAL(NV507D, HEAD_SET_CONTEXT_DMA_ISO, HANDLE, asyh->core.handle));
232 
233 	PUSH_MTHD(push, NV507D, HEAD_SET_VIEWPORT_POINT_IN(i, 0),
234 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_POINT_IN, X, asyh->core.x) |
235 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_POINT_IN, Y, asyh->core.y));
236 
237 	/* EVO will complain with INVALID_STATE if we have an
238 	 * active cursor and (re)specify HeadSetContextDmaIso
239 	 * without also updating HeadSetOffsetCursor.
240 	 */
241 	asyh->set.curs = asyh->curs.visible;
242 	asyh->set.olut = asyh->olut.handle != 0;
243 	return 0;
244 }
245 
246 void
247 head507d_core_calc(struct nv50_head *head, struct nv50_head_atom *asyh)
248 {
249 	struct nv50_disp *disp = nv50_disp(head->base.base.dev);
250 	if ((asyh->core.visible = (asyh->base.cpp != 0))) {
251 		asyh->core.x = asyh->base.x;
252 		asyh->core.y = asyh->base.y;
253 		asyh->core.w = asyh->base.w;
254 		asyh->core.h = asyh->base.h;
255 	} else
256 	if ((asyh->core.visible = (asyh->ovly.cpp != 0)) ||
257 	    (asyh->core.visible = asyh->curs.visible)) {
258 		/*XXX: We need to either find some way of having the
259 		 *     primary base layer appear black, while still
260 		 *     being able to display the other layers, or we
261 		 *     need to allocate a dummy black surface here.
262 		 */
263 		asyh->core.x = 0;
264 		asyh->core.y = 0;
265 		asyh->core.w = asyh->state.mode.hdisplay;
266 		asyh->core.h = asyh->state.mode.vdisplay;
267 	}
268 	asyh->core.handle = disp->core->chan.vram.handle;
269 	asyh->core.offset = 0;
270 	asyh->core.format = NV507D_HEAD_SET_PARAMS_FORMAT_A8R8G8B8;
271 	asyh->core.kind = NV507D_HEAD_SET_PARAMS_KIND_KIND_PITCH;
272 	asyh->core.layout = NV507D_HEAD_SET_STORAGE_MEMORY_LAYOUT_PITCH;
273 	asyh->core.blockh = NV507D_HEAD_SET_STORAGE_BLOCK_HEIGHT_ONE_GOB;
274 	asyh->core.blocks = 0;
275 	asyh->core.pitch = ALIGN(asyh->core.w, 64) * 4;
276 }
277 
278 static int
279 head507d_olut_clr(struct nv50_head *head)
280 {
281 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
282 	const int i = head->base.index;
283 	int ret;
284 
285 	if ((ret = PUSH_WAIT(push, 2)))
286 		return ret;
287 
288 	PUSH_MTHD(push, NV507D, HEAD_SET_BASE_LUT_LO(i),
289 		  NVDEF(NV507D, HEAD_SET_BASE_LUT_LO, ENABLE, DISABLE));
290 	return 0;
291 }
292 
293 static int
294 head507d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
295 {
296 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
297 	const int i = head->base.index;
298 	int ret;
299 
300 	if ((ret = PUSH_WAIT(push, 3)))
301 		return ret;
302 
303 	PUSH_MTHD(push, NV507D, HEAD_SET_BASE_LUT_LO(i),
304 		  NVDEF(NV507D, HEAD_SET_BASE_LUT_LO, ENABLE, ENABLE) |
305 		  NVVAL(NV507D, HEAD_SET_BASE_LUT_LO, MODE, asyh->olut.mode) |
306 		  NVVAL(NV507D, HEAD_SET_BASE_LUT_LO, ORIGIN, 0),
307 
308 				HEAD_SET_BASE_LUT_HI(i),
309 		  NVVAL(NV507D, HEAD_SET_BASE_LUT_HI, ORIGIN, asyh->olut.offset >> 8));
310 	return 0;
311 }
312 
313 static void
314 head507d_olut_load(struct drm_color_lut *in, int size, void __iomem *mem)
315 {
316 	for (; size--; in++, mem += 8) {
317 		writew(drm_color_lut_extract(in->  red, 11) << 3, mem + 0);
318 		writew(drm_color_lut_extract(in->green, 11) << 3, mem + 2);
319 		writew(drm_color_lut_extract(in-> blue, 11) << 3, mem + 4);
320 	}
321 
322 	/* INTERPOLATE modes require a "next" entry to interpolate with,
323 	 * so we replicate the last entry to deal with this for now.
324 	 */
325 	writew(readw(mem - 8), mem + 0);
326 	writew(readw(mem - 6), mem + 2);
327 	writew(readw(mem - 4), mem + 4);
328 }
329 
330 bool
331 head507d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
332 {
333 	if (size != 256)
334 		return false;
335 
336 	if (asyh->base.cpp == 1)
337 		asyh->olut.mode = NV507D_HEAD_SET_BASE_LUT_LO_MODE_LORES;
338 	else
339 		asyh->olut.mode = NV507D_HEAD_SET_BASE_LUT_LO_MODE_HIRES;
340 
341 	asyh->olut.load = head507d_olut_load;
342 	return true;
343 }
344 
345 int
346 head507d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
347 {
348 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
349 	struct nv50_head_mode *m = &asyh->mode;
350 	const int i = head->base.index;
351 	int ret;
352 
353 	if ((ret = PUSH_WAIT(push, 13)))
354 		return ret;
355 
356 	PUSH_MTHD(push, NV507D, HEAD_SET_PIXEL_CLOCK(i),
357 		  NVVAL(NV507D, HEAD_SET_PIXEL_CLOCK, FREQUENCY, m->clock) |
358 		  NVDEF(NV507D, HEAD_SET_PIXEL_CLOCK, MODE, CLK_CUSTOM) |
359 		  NVDEF(NV507D, HEAD_SET_PIXEL_CLOCK, ADJ1000DIV1001, FALSE) |
360 		  NVDEF(NV507D, HEAD_SET_PIXEL_CLOCK, NOT_DRIVER, FALSE),
361 
362 				HEAD_SET_CONTROL(i),
363 		  NVVAL(NV507D, HEAD_SET_CONTROL, STRUCTURE, m->interlace));
364 
365 	PUSH_MTHD(push, NV507D, HEAD_SET_OVERSCAN_COLOR(i),
366 		  NVVAL(NV507D, HEAD_SET_OVERSCAN_COLOR, RED, 0) |
367 		  NVVAL(NV507D, HEAD_SET_OVERSCAN_COLOR, GRN, 0) |
368 		  NVVAL(NV507D, HEAD_SET_OVERSCAN_COLOR, BLU, 0),
369 
370 				HEAD_SET_RASTER_SIZE(i),
371 		  NVVAL(NV507D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) |
372 		  NVVAL(NV507D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active),
373 
374 				HEAD_SET_RASTER_SYNC_END(i),
375 		  NVVAL(NV507D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) |
376 		  NVVAL(NV507D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce),
377 
378 				HEAD_SET_RASTER_BLANK_END(i),
379 		  NVVAL(NV507D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) |
380 		  NVVAL(NV507D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke),
381 
382 				HEAD_SET_RASTER_BLANK_START(i),
383 		  NVVAL(NV507D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) |
384 		  NVVAL(NV507D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks),
385 
386 				HEAD_SET_RASTER_VERT_BLANK2(i),
387 		  NVVAL(NV507D, HEAD_SET_RASTER_VERT_BLANK2, YSTART, m->v.blank2s) |
388 		  NVVAL(NV507D, HEAD_SET_RASTER_VERT_BLANK2, YEND, m->v.blank2e),
389 
390 				HEAD_SET_RASTER_VERT_BLANK_DMI(i),
391 		  NVVAL(NV507D, HEAD_SET_RASTER_VERT_BLANK_DMI, DURATION, m->v.blankus));
392 
393 	PUSH_MTHD(push, NV507D, HEAD_SET_DEFAULT_BASE_COLOR(i),
394 		  NVVAL(NV507D, HEAD_SET_DEFAULT_BASE_COLOR, RED, 0) |
395 		  NVVAL(NV507D, HEAD_SET_DEFAULT_BASE_COLOR, GREEN, 0) |
396 		  NVVAL(NV507D, HEAD_SET_DEFAULT_BASE_COLOR, BLUE, 0));
397 	return 0;
398 }
399 
400 int
401 head507d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
402 {
403 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
404 	const int i = head->base.index;
405 	int ret;
406 
407 	if ((ret = PUSH_WAIT(push, 7)))
408 		return ret;
409 
410 	PUSH_MTHD(push, NV507D, HEAD_SET_CONTROL_OUTPUT_SCALER(i),
411 		  NVDEF(NV507D, HEAD_SET_CONTROL_OUTPUT_SCALER, VERTICAL_TAPS, TAPS_1) |
412 		  NVDEF(NV507D, HEAD_SET_CONTROL_OUTPUT_SCALER, HORIZONTAL_TAPS, TAPS_1) |
413 		  NVVAL(NV507D, HEAD_SET_CONTROL_OUTPUT_SCALER, HRESPONSE_BIAS, 0) |
414 		  NVVAL(NV507D, HEAD_SET_CONTROL_OUTPUT_SCALER, VRESPONSE_BIAS, 0));
415 
416 	PUSH_MTHD(push, NV507D, HEAD_SET_VIEWPORT_SIZE_IN(i),
417 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_SIZE_IN, WIDTH, asyh->view.iW) |
418 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_SIZE_IN, HEIGHT, asyh->view.iH));
419 
420 	PUSH_MTHD(push, NV507D, HEAD_SET_VIEWPORT_SIZE_OUT(i),
421 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_SIZE_OUT, WIDTH, asyh->view.oW) |
422 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_SIZE_OUT, HEIGHT, asyh->view.oH),
423 
424 				HEAD_SET_VIEWPORT_SIZE_OUT_MIN(i),
425 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_SIZE_OUT_MIN, WIDTH, asyh->view.oW) |
426 		  NVVAL(NV507D, HEAD_SET_VIEWPORT_SIZE_OUT_MIN, HEIGHT, asyh->view.oH));
427 	return 0;
428 }
429 
430 const struct nv50_head_func
431 head507d = {
432 	.view = head507d_view,
433 	.mode = head507d_mode,
434 	.olut = head507d_olut,
435 	.olut_size = 256,
436 	.olut_set = head507d_olut_set,
437 	.olut_clr = head507d_olut_clr,
438 	.core_calc = head507d_core_calc,
439 	.core_set = head507d_core_set,
440 	.core_clr = head507d_core_clr,
441 	.curs_layout = head507d_curs_layout,
442 	.curs_format = head507d_curs_format,
443 	.curs_set = head507d_curs_set,
444 	.curs_clr = head507d_curs_clr,
445 	.base = head507d_base,
446 	.ovly = head507d_ovly,
447 	.dither = head507d_dither,
448 	.procamp = head507d_procamp,
449 };
450