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[TG3]: Set minimal hw interrupt mitigation.
[linux-2.6/verdex.git] / drivers / video / sis / sis_accel.c
blob30e90a553e8090500a660c9b624fa22bab8ef629
1 /*
2 * SiS 300/630/730/540/315/550/65x/74x/330/760 frame buffer driver
3 * for Linux kernels 2.4.x and 2.6.x
4 *
5 * 2D acceleration part
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the named License,
10 * or any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
20 *
21 * Based on the XFree86/X.org driver which is
22 * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
23 *
24 * Author: Thomas Winischhofer <thomas@winischhofer.net>
25 * (see http://www.winischhofer.net/
26 * for more information and updates)
27 */
28
29 #include <linux/config.h>
30 #include <linux/version.h>
31 #include <linux/module.h>
32 #include <linux/kernel.h>
33 #include <linux/errno.h>
34 #include <linux/fb.h>
35 #include <linux/console.h>
36 #include <linux/selection.h>
37 #include <linux/ioport.h>
38 #include <linux/capability.h>
39 #include <linux/fs.h>
40 #include <linux/types.h>
41
42 #include <asm/io.h>
43
44 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
45 #include <video/fbcon.h>
46 #include <video/fbcon-cfb8.h>
47 #include <video/fbcon-cfb16.h>
48 #include <video/fbcon-cfb24.h>
49 #include <video/fbcon-cfb32.h>
50 #endif
51
52 #include "sis.h"
53 #include "sis_accel.h"
54
55 static const u8 sisALUConv[] =
56 {
57 0x00, /* dest = 0; 0, GXclear, 0 */
58 0x88, /* dest &= src; DSa, GXand, 0x1 */
59 0x44, /* dest = src & ~dest; SDna, GXandReverse, 0x2 */
60 0xCC, /* dest = src; S, GXcopy, 0x3 */
61 0x22, /* dest &= ~src; DSna, GXandInverted, 0x4 */
62 0xAA, /* dest = dest; D, GXnoop, 0x5 */
63 0x66, /* dest = ^src; DSx, GXxor, 0x6 */
64 0xEE, /* dest |= src; DSo, GXor, 0x7 */
65 0x11, /* dest = ~src & ~dest; DSon, GXnor, 0x8 */
66 0x99, /* dest ^= ~src ; DSxn, GXequiv, 0x9 */
67 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */
68 0xDD, /* dest = src|~dest ; SDno, GXorReverse, 0xB */
69 0x33, /* dest = ~src; Sn, GXcopyInverted, 0xC */
70 0xBB, /* dest |= ~src; DSno, GXorInverted, 0xD */
71 0x77, /* dest = ~src|~dest; DSan, GXnand, 0xE */
72 0xFF, /* dest = 0xFF; 1, GXset, 0xF */
73 };
74 /* same ROP but with Pattern as Source */
75 static const u8 sisPatALUConv[] =
76 {
77 0x00, /* dest = 0; 0, GXclear, 0 */
78 0xA0, /* dest &= src; DPa, GXand, 0x1 */
79 0x50, /* dest = src & ~dest; PDna, GXandReverse, 0x2 */
80 0xF0, /* dest = src; P, GXcopy, 0x3 */
81 0x0A, /* dest &= ~src; DPna, GXandInverted, 0x4 */
82 0xAA, /* dest = dest; D, GXnoop, 0x5 */
83 0x5A, /* dest = ^src; DPx, GXxor, 0x6 */
84 0xFA, /* dest |= src; DPo, GXor, 0x7 */
85 0x05, /* dest = ~src & ~dest; DPon, GXnor, 0x8 */
86 0xA5, /* dest ^= ~src ; DPxn, GXequiv, 0x9 */
87 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */
88 0xF5, /* dest = src|~dest ; PDno, GXorReverse, 0xB */
89 0x0F, /* dest = ~src; Pn, GXcopyInverted, 0xC */
90 0xAF, /* dest |= ~src; DPno, GXorInverted, 0xD */
91 0x5F, /* dest = ~src|~dest; DPan, GXnand, 0xE */
92 0xFF, /* dest = 0xFF; 1, GXset, 0xF */
93 };
94
95 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
96 static const int myrops[] = {
97 3, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
98 };
99 #endif
100
101 /* 300 series ----------------------------------------------------- */
102 #ifdef CONFIG_FB_SIS_300
103 static void
104 SiS300Sync(struct sis_video_info *ivideo)
105 {
106 SiS300Idle
107 }
108
109 static void
110 SiS300SetupForScreenToScreenCopy(struct sis_video_info *ivideo, int xdir, int ydir,
111 int rop, int trans_color)
112 {
113 SiS300SetupDSTColorDepth(ivideo->DstColor);
114 SiS300SetupSRCPitch(ivideo->video_linelength)
115 SiS300SetupDSTRect(ivideo->video_linelength, 0xffff)
116
117 if(trans_color != -1) {
118 SiS300SetupROP(0x0A)
119 SiS300SetupSRCTrans(trans_color)
120 SiS300SetupCMDFlag(TRANSPARENT_BITBLT)
121 } else {
122 SiS300SetupROP(sisALUConv[rop])
123 }
124 if(xdir > 0) {
125 SiS300SetupCMDFlag(X_INC)
126 }
127 if(ydir > 0) {
128 SiS300SetupCMDFlag(Y_INC)
129 }
130 }
131
132 static void
133 SiS300SubsequentScreenToScreenCopy(struct sis_video_info *ivideo, int src_x,
134 int src_y, int dst_x, int dst_y, int width, int height)
135 {
136 u32 srcbase = 0, dstbase = 0;
137
138 if(src_y >= 2048) {
139 srcbase = ivideo->video_linelength * src_y;
140 src_y = 0;
141 }
142 if(dst_y >= 2048) {
143 dstbase = ivideo->video_linelength * dst_y;
144 dst_y = 0;
145 }
146
147 SiS300SetupSRCBase(srcbase);
148 SiS300SetupDSTBase(dstbase);
149
150 if(!(ivideo->CommandReg & X_INC)) {
151 src_x += width-1;
152 dst_x += width-1;
153 }
154 if(!(ivideo->CommandReg & Y_INC)) {
155 src_y += height-1;
156 dst_y += height-1;
157 }
158 SiS300SetupRect(width, height)
159 SiS300SetupSRCXY(src_x, src_y)
160 SiS300SetupDSTXY(dst_x, dst_y)
161 SiS300DoCMD
162 }
163
164 static void
165 SiS300SetupForSolidFill(struct sis_video_info *ivideo, u32 color, int rop)
166 {
167 SiS300SetupPATFG(color)
168 SiS300SetupDSTRect(ivideo->video_linelength, 0xffff)
169 SiS300SetupDSTColorDepth(ivideo->DstColor);
170 SiS300SetupROP(sisPatALUConv[rop])
171 SiS300SetupCMDFlag(PATFG)
172 }
173
174 static void
175 SiS300SubsequentSolidFillRect(struct sis_video_info *ivideo, int x, int y, int w, int h)
176 {
177 u32 dstbase = 0;
178
179 if(y >= 2048) {
180 dstbase = ivideo->video_linelength * y;
181 y = 0;
182 }
183 SiS300SetupDSTBase(dstbase)
184 SiS300SetupDSTXY(x,y)
185 SiS300SetupRect(w,h)
186 SiS300SetupCMDFlag(X_INC | Y_INC | BITBLT)
187 SiS300DoCMD
188 }
189 #endif
190
191 /* 315/330 series ------------------------------------------------- */
192
193 #ifdef CONFIG_FB_SIS_315
194 static void
195 SiS310Sync(struct sis_video_info *ivideo)
196 {
197 SiS310Idle
198 }
199
200 static void
201 SiS310SetupForScreenToScreenCopy(struct sis_video_info *ivideo, int rop, int trans_color)
202 {
203 SiS310SetupDSTColorDepth(ivideo->DstColor);
204 SiS310SetupSRCPitch(ivideo->video_linelength)
205 SiS310SetupDSTRect(ivideo->video_linelength, 0xffff)
206 if(trans_color != -1) {
207 SiS310SetupROP(0x0A)
208 SiS310SetupSRCTrans(trans_color)
209 SiS310SetupCMDFlag(TRANSPARENT_BITBLT)
210 } else {
211 SiS310SetupROP(sisALUConv[rop])
212 /* Set command - not needed, both 0 */
213 /* SiSSetupCMDFlag(BITBLT | SRCVIDEO) */
214 }
215 SiS310SetupCMDFlag(ivideo->SiS310_AccelDepth)
216 /* The 315 series is smart enough to know the direction */
217 }
218
219 static void
220 SiS310SubsequentScreenToScreenCopy(struct sis_video_info *ivideo, int src_x, int src_y,
221 int dst_x, int dst_y, int width, int height)
222 {
223 u32 srcbase = 0, dstbase = 0;
224 int mymin = min(src_y, dst_y);
225 int mymax = max(src_y, dst_y);
226
227 /* Although the chip knows the direction to use
228 * if the source and destination areas overlap,
229 * that logic fails if we fiddle with the bitmap
230 * addresses. Therefore, we check if the source
231 * and destination blitting areas overlap and
232 * adapt the bitmap addresses synchronously
233 * if the coordinates exceed the valid range.
234 * The the areas do not overlap, we do our
235 * normal check.
236 */
237 if((mymax - mymin) < height) {
238 if((src_y >= 2048) || (dst_y >= 2048)) {
239 srcbase = ivideo->video_linelength * mymin;
240 dstbase = ivideo->video_linelength * mymin;
241 src_y -= mymin;
242 dst_y -= mymin;
243 }
244 } else {
245 if(src_y >= 2048) {
246 srcbase = ivideo->video_linelength * src_y;
247 src_y = 0;
248 }
249 if(dst_y >= 2048) {
250 dstbase = ivideo->video_linelength * dst_y;
251 dst_y = 0;
252 }
253 }
254
255 SiS310SetupSRCBase(srcbase);
256 SiS310SetupDSTBase(dstbase);
257 SiS310SetupRect(width, height)
258 SiS310SetupSRCXY(src_x, src_y)
259 SiS310SetupDSTXY(dst_x, dst_y)
260 SiS310DoCMD
261 }
262
263 static void
264 SiS310SetupForSolidFill(struct sis_video_info *ivideo, u32 color, int rop)
265 {
266 SiS310SetupPATFG(color)
267 SiS310SetupDSTRect(ivideo->video_linelength, 0xffff)
268 SiS310SetupDSTColorDepth(ivideo->DstColor);
269 SiS310SetupROP(sisPatALUConv[rop])
270 SiS310SetupCMDFlag(PATFG | ivideo->SiS310_AccelDepth)
271 }
272
273 static void
274 SiS310SubsequentSolidFillRect(struct sis_video_info *ivideo, int x, int y, int w, int h)
275 {
276 u32 dstbase = 0;
277
278 if(y >= 2048) {
279 dstbase = ivideo->video_linelength * y;
280 y = 0;
281 }
282 SiS310SetupDSTBase(dstbase)
283 SiS310SetupDSTXY(x,y)
284 SiS310SetupRect(w,h)
285 SiS310SetupCMDFlag(BITBLT)
286 SiS310DoCMD
287 }
288 #endif
289
290 /* --------------------------------------------------------------------- */
291
292 /* The exported routines */
293
294 int sisfb_initaccel(struct sis_video_info *ivideo)
295 {
296 #ifdef SISFB_USE_SPINLOCKS
297 spin_lock_init(&ivideo->lockaccel);
298 #endif
299 return(0);
300 }
301
302 void sisfb_syncaccel(struct sis_video_info *ivideo)
303 {
304 if(ivideo->sisvga_engine == SIS_300_VGA) {
305 #ifdef CONFIG_FB_SIS_300
306 SiS300Sync(ivideo);
307 #endif
308 } else {
309 #ifdef CONFIG_FB_SIS_315
310 SiS310Sync(ivideo);
311 #endif
312 }
313 }
314
315 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) /* --------------- 2.5 --------------- */
316
317 int fbcon_sis_sync(struct fb_info *info)
318 {
319 struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
320 CRITFLAGS
321
322 if(!ivideo->accel)
323 return 0;
324
325 if(ivideo->sisvga_engine == SIS_300_VGA) {
326 #ifdef CONFIG_FB_SIS_300
327 SiS300Sync(ivideo);
328 #endif
329 } else {
330 #ifdef CONFIG_FB_SIS_315
331 SiS310Sync(ivideo);
332 #endif
333 }
334 CRITEND
335 return 0;
336 }
337
338 void fbcon_sis_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
339 {
340 struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
341 u32 col = 0;
342 u32 vxres = info->var.xres_virtual;
343 u32 vyres = info->var.yres_virtual;
344 int width, height;
345 CRITFLAGS
346
347 if(info->state != FBINFO_STATE_RUNNING) {
348 return;
349 }
350
351 if(!ivideo->accel) {
352 cfb_fillrect(info, rect);
353 return;
354 }
355
356 if(!rect->width || !rect->height || rect->dx >= vxres || rect->dy >= vyres) {
357 return;
358 }
359
360 /* Clipping */
361 width = ((rect->dx + rect->width) > vxres) ? (vxres - rect->dx) : rect->width;
362 height = ((rect->dy + rect->height) > vyres) ? (vyres - rect->dy) : rect->height;
363
364 switch(info->var.bits_per_pixel) {
365 case 8: col = rect->color;
366 break;
367 case 16:
368 case 32: col = ((u32 *)(info->pseudo_palette))[rect->color];
369 break;
370 }
371
372 if(ivideo->sisvga_engine == SIS_300_VGA) {
373 #ifdef CONFIG_FB_SIS_300
374 CRITBEGIN
375 SiS300SetupForSolidFill(ivideo, col, myrops[rect->rop]);
376 SiS300SubsequentSolidFillRect(ivideo, rect->dx, rect->dy, width, height);
377 CRITEND
378 SiS300Sync(ivideo);
379 #endif
380 } else {
381 #ifdef CONFIG_FB_SIS_315
382 CRITBEGIN
383 SiS310SetupForSolidFill(ivideo, col, myrops[rect->rop]);
384 SiS310SubsequentSolidFillRect(ivideo, rect->dx, rect->dy, width, height);
385 CRITEND
386 SiS310Sync(ivideo);
387 #endif
388 }
389
390 }
391
392 void fbcon_sis_copyarea(struct fb_info *info, const struct fb_copyarea *area)
393 {
394 struct sis_video_info *ivideo = (struct sis_video_info *)info->par;
395 u32 vxres = info->var.xres_virtual;
396 u32 vyres = info->var.yres_virtual;
397 int width = area->width;
398 int height = area->height;
399 CRITFLAGS
400
401 if(info->state != FBINFO_STATE_RUNNING) {
402 return;
403 }
404
405 if(!ivideo->accel) {
406 cfb_copyarea(info, area);
407 return;
408 }
409
410 if(!width || !height ||
411 area->sx >= vxres || area->sy >= vyres ||
412 area->dx >= vxres || area->dy >= vyres) {
413 return;
414 }
415
416 /* Clipping */
417 if((area->sx + width) > vxres) width = vxres - area->sx;
418 if((area->dx + width) > vxres) width = vxres - area->dx;
419 if((area->sy + height) > vyres) height = vyres - area->sy;
420 if((area->dy + height) > vyres) height = vyres - area->dy;
421
422 if(ivideo->sisvga_engine == SIS_300_VGA) {
423 #ifdef CONFIG_FB_SIS_300
424 int xdir, ydir;
425
426 if(area->sx < area->dx) xdir = 0;
427 else xdir = 1;
428 if(area->sy < area->dy) ydir = 0;
429 else ydir = 1;
430
431 CRITBEGIN
432 SiS300SetupForScreenToScreenCopy(ivideo, xdir, ydir, 3, -1);
433 SiS300SubsequentScreenToScreenCopy(ivideo, area->sx, area->sy, area->dx, area->dy,
434 width, height);
435 CRITEND
436 SiS300Sync(ivideo);
437 #endif
438 } else {
439 #ifdef CONFIG_FB_SIS_315
440 CRITBEGIN
441 SiS310SetupForScreenToScreenCopy(ivideo, 3, -1);
442 SiS310SubsequentScreenToScreenCopy(ivideo, area->sx, area->sy, area->dx, area->dy,
443 width, height);
444 CRITEND
445 SiS310Sync(ivideo);
446 #endif
447 }
448 }
449
450 #endif
451
452 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) /* -------------- 2.4 --------------- */
453
454 void fbcon_sis_bmove(struct display *p, int srcy, int srcx,
455 int dsty, int dstx, int height, int width)
456 {
457 struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
458
459 CRITFLAGS
460
461 if(!ivideo->accel) {
462 switch(ivideo->video_bpp) {
463 case 8:
464 #ifdef FBCON_HAS_CFB8
465 fbcon_cfb8_bmove(p, srcy, srcx, dsty, dstx, height, width);
466 #endif
467 break;
468 case 16:
469 #ifdef FBCON_HAS_CFB16
470 fbcon_cfb16_bmove(p, srcy, srcx, dsty, dstx, height, width);
471 #endif
472 break;
473 case 32:
474 #ifdef FBCON_HAS_CFB32
475 fbcon_cfb32_bmove(p, srcy, srcx, dsty, dstx, height, width);
476 #endif
477 break;
478 }
479 return;
480 }
481
482 srcx *= fontwidth(p);
483 srcy *= fontheight(p);
484 dstx *= fontwidth(p);
485 dsty *= fontheight(p);
486 width *= fontwidth(p);
487 height *= fontheight(p);
488
489 if(ivideo->sisvga_engine == SIS_300_VGA) {
490 #ifdef CONFIG_FB_SIS_300
491 int xdir, ydir;
492
493 if(srcx < dstx) xdir = 0;
494 else xdir = 1;
495 if(srcy < dsty) ydir = 0;
496 else ydir = 1;
497
498 CRITBEGIN
499 SiS300SetupForScreenToScreenCopy(ivideo, xdir, ydir, 3, -1);
500 SiS300SubsequentScreenToScreenCopy(ivideo, srcx, srcy, dstx, dsty, width, height);
501 CRITEND
502 SiS300Sync(ivideo);
503 #endif
504 } else {
505 #ifdef CONFIG_FB_SIS_315
506 CRITBEGIN
507 SiS310SetupForScreenToScreenCopy(ivideo, 3, -1);
508 SiS310SubsequentScreenToScreenCopy(ivideo, srcx, srcy, dstx, dsty, width, height);
509 CRITEND
510 SiS310Sync(ivideo);
511 #endif
512 }
513 }
514
515 static void fbcon_sis_clear(struct vc_data *conp, struct display *p,
516 int srcy, int srcx, int height, int width, int color)
517 {
518 struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
519 CRITFLAGS
520
521 srcx *= fontwidth(p);
522 srcy *= fontheight(p);
523 width *= fontwidth(p);
524 height *= fontheight(p);
525
526 if(ivideo->sisvga_engine == SIS_300_VGA) {
527 #ifdef CONFIG_FB_SIS_300
528 CRITBEGIN
529 SiS300SetupForSolidFill(ivideo, color, 3);
530 SiS300SubsequentSolidFillRect(ivideo, srcx, srcy, width, height);
531 CRITEND
532 SiS300Sync(ivideo);
533 #endif
534 } else {
535 #ifdef CONFIG_FB_SIS_315
536 CRITBEGIN
537 SiS310SetupForSolidFill(ivideo, color, 3);
538 SiS310SubsequentSolidFillRect(ivideo, srcx, srcy, width, height);
539 CRITEND
540 SiS310Sync(ivideo);
541 #endif
542 }
543 }
544
545 void fbcon_sis_clear8(struct vc_data *conp, struct display *p,
546 int srcy, int srcx, int height, int width)
547 {
548 struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
549 u32 bgx;
550
551 if(!ivideo->accel) {
552 #ifdef FBCON_HAS_CFB8
553 fbcon_cfb8_clear(conp, p, srcy, srcx, height, width);
554 #endif
555 return;
556 }
557
558 bgx = attr_bgcol_ec(p, conp);
559 fbcon_sis_clear(conp, p, srcy, srcx, height, width, bgx);
560 }
561
562 void fbcon_sis_clear16(struct vc_data *conp, struct display *p,
563 int srcy, int srcx, int height, int width)
564 {
565 struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
566 u32 bgx;
567
568 if(!ivideo->accel) {
569 #ifdef FBCON_HAS_CFB16
570 fbcon_cfb16_clear(conp, p, srcy, srcx, height, width);
571 #endif
572 return;
573 }
574
575 bgx = ((u_int16_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)];
576 fbcon_sis_clear(conp, p, srcy, srcx, height, width, bgx);
577 }
578
579 void fbcon_sis_clear32(struct vc_data *conp, struct display *p,
580 int srcy, int srcx, int height, int width)
581 {
582 struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
583 u32 bgx;
584
585 if(!ivideo->accel) {
586 #ifdef FBCON_HAS_CFB32
587 fbcon_cfb32_clear(conp, p, srcy, srcx, height, width);
588 #endif
589 return;
590 }
591
592 bgx = ((u_int32_t*)p->dispsw_data)[attr_bgcol_ec(p, conp)];
593 fbcon_sis_clear(conp, p, srcy, srcx, height, width, bgx);
594 }
595
596 void fbcon_sis_revc(struct display *p, int srcx, int srcy)
597 {
598 struct sis_video_info *ivideo = (struct sis_video_info *)p->fb_info->par;
599 CRITFLAGS
600
601 if(!ivideo->accel) {
602 switch(ivideo->video_bpp) {
603 case 16:
604 #ifdef FBCON_HAS_CFB16
605 fbcon_cfb16_revc(p, srcx, srcy);
606 #endif
607 break;
608 case 32:
609 #ifdef FBCON_HAS_CFB32
610 fbcon_cfb32_revc(p, srcx, srcy);
611 #endif
612 break;
613 }
614 return;
615 }
616
617 srcx *= fontwidth(p);
618 srcy *= fontheight(p);
619
620 if(ivideo->sisvga_engine == SIS_300_VGA) {
621 #ifdef CONFIG_FB_SIS_300
622 CRITBEGIN
623 SiS300SetupForSolidFill(ivideo, 0, 0x0a);
624 SiS300SubsequentSolidFillRect(ivideo, srcx, srcy, fontwidth(p), fontheight(p));
625 CRITEND
626 SiS300Sync(ivideo);
627 #endif
628 } else {
629 #ifdef CONFIG_FB_SIS_315
630 CRITBEGIN
631 SiS310SetupForSolidFill(ivideo, 0, 0x0a);
632 SiS310SubsequentSolidFillRect(ivideo, srcx, srcy, fontwidth(p), fontheight(p));
633 CRITEND
634 SiS310Sync(ivideo);
635 #endif
636 }
637 }
638
639 #ifdef FBCON_HAS_CFB8
640 struct display_switch fbcon_sis8 = {
641 .setup = fbcon_cfb8_setup,
642 .bmove = fbcon_sis_bmove,
643 .clear = fbcon_sis_clear8,
644 .putc = fbcon_cfb8_putc,
645 .putcs = fbcon_cfb8_putcs,
646 .revc = fbcon_cfb8_revc,
647 .clear_margins = fbcon_cfb8_clear_margins,
648 .fontwidthmask = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
649 };
650 #endif
651 #ifdef FBCON_HAS_CFB16
652 struct display_switch fbcon_sis16 = {
653 .setup = fbcon_cfb16_setup,
654 .bmove = fbcon_sis_bmove,
655 .clear = fbcon_sis_clear16,
656 .putc = fbcon_cfb16_putc,
657 .putcs = fbcon_cfb16_putcs,
658 .revc = fbcon_sis_revc,
659 .clear_margins = fbcon_cfb16_clear_margins,
660 .fontwidthmask = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
661 };
662 #endif
663 #ifdef FBCON_HAS_CFB32
664 struct display_switch fbcon_sis32 = {
665 .setup = fbcon_cfb32_setup,
666 .bmove = fbcon_sis_bmove,
667 .clear = fbcon_sis_clear32,
668 .putc = fbcon_cfb32_putc,
669 .putcs = fbcon_cfb32_putcs,
670 .revc = fbcon_sis_revc,
671 .clear_margins = fbcon_cfb32_clear_margins,
672 .fontwidthmask = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
673 };
674 #endif
675
676 #endif /* KERNEL VERSION */
677
678
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