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
head507d_procamp(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_dither(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_ovly(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_base(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_curs_clr(struct nv50_head * head)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
head507d_curs_set(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_curs_format(struct nv50_head * head,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)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
head507d_curs_layout(struct nv50_head * head,struct nv50_wndw_atom * asyw,struct nv50_head_atom * asyh)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
head507d_core_clr(struct nv50_head * head)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
head507d_core_set(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_core_calc(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_olut_clr(struct nv50_head * head)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
head507d_olut_set(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_olut_load(struct drm_color_lut * in,int size,void __iomem * mem)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
head507d_olut(struct nv50_head * head,struct nv50_head_atom * asyh,int size)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
head507d_mode(struct nv50_head * head,struct nv50_head_atom * asyh)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
head507d_view(struct nv50_head * head,struct nv50_head_atom * asyh)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