63adfeba50e58c15ff593fa64d67fdbe009c9ecd
[platform/kernel/linux-starfive.git] / drivers / gpu / drm / nouveau / dispnv50 / headc37d.c
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
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
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
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
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
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
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
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
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
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
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
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
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 };