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 "atom.h"
24 #include "core.h"
25 
26 #include <nvif/pushc37b.h>
27 
28 #include <nvhw/class/clc37d.h>
29 
30 static int
headc37d_or(struct nv50_head * head,struct nv50_head_atom * asyh)31 headc37d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
32 {
33 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
34 	const int i = head->base.index;
35 	u8 depth;
36 	int ret;
37 
38 	/*XXX: This is a dirty hack until OR depth handling is
39 	 *     improved later for deep colour etc.
40 	 */
41 	switch (asyh->or.depth) {
42 	case 6: depth = 5; break;
43 	case 5: depth = 4; break;
44 	case 2: depth = 1; break;
45 	case 0:	depth = 4; break;
46 	default:
47 		depth = asyh->or.depth;
48 		WARN_ON(1);
49 		break;
50 	}
51 
52 	if ((ret = PUSH_WAIT(push, 2)))
53 		return ret;
54 
55 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE(i),
56 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, CRC_MODE, asyh->or.crc_raster) |
57 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, HSYNC_POLARITY, asyh->or.nhsync) |
58 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, VSYNC_POLARITY, asyh->or.nvsync) |
59 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, PIXEL_DEPTH, depth) |
60 		  NVDEF(NVC37D, HEAD_SET_CONTROL_OUTPUT_RESOURCE, COLOR_SPACE_OVERRIDE, DISABLE));
61 	return 0;
62 }
63 
64 static int
headc37d_procamp(struct nv50_head * head,struct nv50_head_atom * asyh)65 headc37d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
66 {
67 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
68 	const int i = head->base.index;
69 	int ret;
70 
71 	if ((ret = PUSH_WAIT(push, 2)))
72 		return ret;
73 
74 	PUSH_MTHD(push, NVC37D, HEAD_SET_PROCAMP(i),
75 		  NVDEF(NVC37D, HEAD_SET_PROCAMP, COLOR_SPACE, RGB) |
76 		  NVDEF(NVC37D, HEAD_SET_PROCAMP, CHROMA_LPF, DISABLE) |
77 		  NVVAL(NVC37D, HEAD_SET_PROCAMP, SAT_COS, asyh->procamp.sat.cos) |
78 		  NVVAL(NVC37D, HEAD_SET_PROCAMP, SAT_SINE, asyh->procamp.sat.sin) |
79 		  NVDEF(NVC37D, HEAD_SET_PROCAMP, DYNAMIC_RANGE, VESA) |
80 		  NVDEF(NVC37D, HEAD_SET_PROCAMP, RANGE_COMPRESSION, DISABLE) |
81 		  NVDEF(NVC37D, HEAD_SET_PROCAMP, BLACK_LEVEL, GRAPHICS));
82 	return 0;
83 }
84 
85 int
headc37d_dither(struct nv50_head * head,struct nv50_head_atom * asyh)86 headc37d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
87 {
88 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
89 	const int i = head->base.index;
90 	int ret;
91 
92 	if ((ret = PUSH_WAIT(push, 2)))
93 		return ret;
94 
95 	PUSH_MTHD(push, NVC37D, HEAD_SET_DITHER_CONTROL(i),
96 		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, ENABLE, asyh->dither.enable) |
97 		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, BITS, asyh->dither.bits) |
98 		  NVDEF(NVC37D, HEAD_SET_DITHER_CONTROL, OFFSET_ENABLE, DISABLE) |
99 		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, MODE, asyh->dither.mode) |
100 		  NVVAL(NVC37D, HEAD_SET_DITHER_CONTROL, PHASE, 0));
101 	return 0;
102 }
103 
104 int
headc37d_curs_clr(struct nv50_head * head)105 headc37d_curs_clr(struct nv50_head *head)
106 {
107 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
108 	const int i = head->base.index;
109 	int ret;
110 
111 	if ((ret = PUSH_WAIT(push, 4)))
112 		return ret;
113 
114 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_CURSOR(i),
115 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, ENABLE, DISABLE) |
116 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, FORMAT, A8R8G8B8));
117 
118 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CURSOR(i, 0), 0x00000000);
119 	return 0;
120 }
121 
122 int
headc37d_curs_set(struct nv50_head * head,struct nv50_head_atom * asyh)123 headc37d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
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, 7)))
130 		return ret;
131 
132 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_CURSOR(i),
133 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, ENABLE, ENABLE) |
134 		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, FORMAT, asyh->curs.format) |
135 		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, SIZE, asyh->curs.layout) |
136 		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_X, 0) |
137 		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR, HOT_SPOT_Y, 0) |
138 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR, DE_GAMMA, NONE),
139 
140 				HEAD_SET_CONTROL_CURSOR_COMPOSITION(i),
141 		  NVVAL(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, K1, 0xff) |
142 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, CURSOR_COLOR_FACTOR_SELECT,
143 								     K1) |
144 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, VIEWPORT_COLOR_FACTOR_SELECT,
145 								     NEG_K1_TIMES_SRC) |
146 		  NVDEF(NVC37D, HEAD_SET_CONTROL_CURSOR_COMPOSITION, MODE, BLEND));
147 
148 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_CURSOR(i, 0), asyh->curs.handle);
149 	PUSH_MTHD(push, NVC37D, HEAD_SET_OFFSET_CURSOR(i, 0), asyh->curs.offset >> 8);
150 	return 0;
151 }
152 
153 int
headc37d_curs_format(struct nv50_head * head,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)154 headc37d_curs_format(struct nv50_head *head, struct nv50_wndw_atom *asyw,
155 		     struct nv50_head_atom *asyh)
156 {
157 	asyh->curs.format = asyw->image.format;
158 	return 0;
159 }
160 
161 static int
headc37d_olut_clr(struct nv50_head * head)162 headc37d_olut_clr(struct nv50_head *head)
163 {
164 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
165 	const int i = head->base.index;
166 	int ret;
167 
168 	if ((ret = PUSH_WAIT(push, 2)))
169 		return ret;
170 
171 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTEXT_DMA_OUTPUT_LUT(i), 0x00000000);
172 	return 0;
173 }
174 
175 static int
headc37d_olut_set(struct nv50_head * head,struct nv50_head_atom * asyh)176 headc37d_olut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
177 {
178 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
179 	const int i = head->base.index;
180 	int ret;
181 
182 	if ((ret = PUSH_WAIT(push, 4)))
183 		return ret;
184 
185 	PUSH_MTHD(push, NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT(i),
186 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT, SIZE, asyh->olut.size) |
187 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT, RANGE, asyh->olut.range) |
188 		  NVVAL(NVC37D, HEAD_SET_CONTROL_OUTPUT_LUT, OUTPUT_MODE, asyh->olut.output_mode),
189 
190 				HEAD_SET_OFFSET_OUTPUT_LUT(i), asyh->olut.offset >> 8,
191 				HEAD_SET_CONTEXT_DMA_OUTPUT_LUT(i), asyh->olut.handle);
192 	return 0;
193 }
194 
195 static bool
headc37d_olut(struct nv50_head * head,struct nv50_head_atom * asyh,int size)196 headc37d_olut(struct nv50_head *head, struct nv50_head_atom *asyh, int size)
197 {
198 	if (size != 256 && size != 1024)
199 		return false;
200 
201 	asyh->olut.size = size == 1024 ? NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_SIZE_SIZE_1025 :
202 					 NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_SIZE_SIZE_257;
203 	asyh->olut.range = NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_RANGE_UNITY;
204 	asyh->olut.output_mode = NVC37D_HEAD_SET_CONTROL_OUTPUT_LUT_OUTPUT_MODE_INTERPOLATE;
205 	asyh->olut.load = head907d_olut_load;
206 	return true;
207 }
208 
209 static int
headc37d_mode(struct nv50_head * head,struct nv50_head_atom * asyh)210 headc37d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
211 {
212 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
213 	struct nv50_head_mode *m = &asyh->mode;
214 	const int i = head->base.index;
215 	int ret;
216 
217 	if ((ret = PUSH_WAIT(push, 15)))
218 		return ret;
219 
220 	PUSH_MTHD(push, NVC37D, HEAD_SET_RASTER_SIZE(i),
221 		  NVVAL(NVC37D, HEAD_SET_RASTER_SIZE, WIDTH, m->h.active) |
222 		  NVVAL(NVC37D, HEAD_SET_RASTER_SIZE, HEIGHT, m->v.active),
223 
224 				HEAD_SET_RASTER_SYNC_END(i),
225 		  NVVAL(NVC37D, HEAD_SET_RASTER_SYNC_END, X, m->h.synce) |
226 		  NVVAL(NVC37D, HEAD_SET_RASTER_SYNC_END, Y, m->v.synce),
227 
228 				HEAD_SET_RASTER_BLANK_END(i),
229 		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_END, X, m->h.blanke) |
230 		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_END, Y, m->v.blanke),
231 
232 				HEAD_SET_RASTER_BLANK_START(i),
233 		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_START, X, m->h.blanks) |
234 		  NVVAL(NVC37D, HEAD_SET_RASTER_BLANK_START, Y, m->v.blanks));
235 
236 	//XXX:
237 	PUSH_NVSQ(push, NVC37D, 0x2074 + (i * 0x400), m->v.blank2e << 16 | m->v.blank2s);
238 	PUSH_NVSQ(push, NVC37D, 0x2008 + (i * 0x400), m->interlace);
239 
240 	PUSH_MTHD(push, NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY(i),
241 		  NVVAL(NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY, HERTZ, m->clock * 1000));
242 
243 	PUSH_MTHD(push, NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX(i),
244 		  NVVAL(NVC37D, HEAD_SET_PIXEL_CLOCK_FREQUENCY_MAX, HERTZ, m->clock * 1000));
245 
246 	/*XXX: HEAD_USAGE_BOUNDS, doesn't belong here. */
247 	PUSH_MTHD(push, NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS(i),
248 		  NVDEF(NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS, CURSOR, USAGE_W256_H256) |
249 		  NVDEF(NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS, OUTPUT_LUT, USAGE_1025) |
250 		  NVDEF(NVC37D, HEAD_SET_HEAD_USAGE_BOUNDS, UPSCALING_ALLOWED, TRUE));
251 	return 0;
252 }
253 
254 int
headc37d_view(struct nv50_head * head,struct nv50_head_atom * asyh)255 headc37d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
256 {
257 	struct nvif_push *push = nv50_disp(head->base.base.dev)->core->chan.push;
258 	const int i = head->base.index;
259 	int ret;
260 
261 	if ((ret = PUSH_WAIT(push, 4)))
262 		return ret;
263 
264 	PUSH_MTHD(push, NVC37D, HEAD_SET_VIEWPORT_SIZE_IN(i),
265 		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_IN, WIDTH, asyh->view.iW) |
266 		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_IN, HEIGHT, asyh->view.iH));
267 
268 	PUSH_MTHD(push, NVC37D, HEAD_SET_VIEWPORT_SIZE_OUT(i),
269 		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_OUT, WIDTH, asyh->view.oW) |
270 		  NVVAL(NVC37D, HEAD_SET_VIEWPORT_SIZE_OUT, HEIGHT, asyh->view.oH));
271 	return 0;
272 }
273 
274 void
headc37d_static_wndw_map(struct nv50_head * head,struct nv50_head_atom * asyh)275 headc37d_static_wndw_map(struct nv50_head *head, struct nv50_head_atom *asyh)
276 {
277 	int i, end;
278 
279 	for (i = head->base.index * 2, end = i + 2; i < end; i++)
280 		asyh->wndw.owned |= BIT(i);
281 }
282 
283 const struct nv50_head_func
284 headc37d = {
285 	.view = headc37d_view,
286 	.mode = headc37d_mode,
287 	.olut = headc37d_olut,
288 	.olut_size = 1024,
289 	.olut_set = headc37d_olut_set,
290 	.olut_clr = headc37d_olut_clr,
291 	.curs_layout = head917d_curs_layout,
292 	.curs_format = headc37d_curs_format,
293 	.curs_set = headc37d_curs_set,
294 	.curs_clr = headc37d_curs_clr,
295 	.dither = headc37d_dither,
296 	.procamp = headc37d_procamp,
297 	.or = headc37d_or,
298 	.static_wndw_map = headc37d_static_wndw_map,
299 };
300