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Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[net-next-2.6.git] / drivers / staging / xgifb / XGI_accel.h
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d7636e0b 1/*
2 * XGI 300/630/730/540/315/550/650/740 frame buffer driver
3 * for Linux kernels 2.4.x and 2.5.x
4 *
5 * 2D acceleration part
6 *
7 * Based on the X driver's XGI300_accel.h which is
8 * Copyright Xavier Ducoin <x.ducoin@lectra.com>
9 * Copyright 2002 by Thomas Winischhofer, Vienna, Austria
10 * and XGI310_accel.h which is
11 * Copyright 2002 by Thomas Winischhofer, Vienna, Austria
12 *
13 * Author: Thomas Winischhofer <thomas@winischhofer.net>:
14 * (see http://www.winischhofer.net/
15 * for more information and updates)
16 */
17
18#ifndef _XGIFB_ACCEL_H
19#define _XGIFB_ACCEL_H
20
21/* Guard accelerator accesses with spin_lock_irqsave? Works well without. */
22#undef XGIFB_USE_SPINLOCKS
23
24#ifdef XGIFB_USE_SPINLOCKS
25#include <linux/spinlock.h>
26#define CRITBEGIN spin_lock_irqsave(&xgi_video_info.lockaccel), critflags);
27#define CRITEND spin_unlock_irqrestore(&xgi_video_info.lockaccel), critflags);
28#define CRITFLAGS unsigned long critflags;
29#else
30#define CRITBEGIN
31#define CRITEND
32#define CRITFLAGS
33#endif
34
35/* Definitions for the XGI engine communication. */
36
37#define PATREGSIZE 384 /* Pattern register size. 384 bytes @ 0x8300 */
38#define BR(x) (0x8200 | (x) << 2)
39#define PBR(x) (0x8300 | (x) << 2)
40
41/* XGI300 engine commands */
42#define BITBLT 0x00000000 /* Blit */
43#define COLOREXP 0x00000001 /* Color expand */
44#define ENCOLOREXP 0x00000002 /* Enhanced color expand */
45#define MULTIPLE_SCANLINE 0x00000003 /* ? */
46#define LINE 0x00000004 /* Draw line */
47#define TRAPAZOID_FILL 0x00000005 /* Fill trapezoid */
48#define TRANSPARENT_BITBLT 0x00000006 /* Transparent Blit */
49
50/* Additional engine commands for 310/325 */
51#define ALPHA_BLEND 0x00000007 /* Alpha blend ? */
52#define A3D_FUNCTION 0x00000008 /* 3D command ? */
53#define CLEAR_Z_BUFFER 0x00000009 /* ? */
54#define GRADIENT_FILL 0x0000000A /* Gradient fill */
55#define STRETCH_BITBLT 0x0000000B /* Stretched Blit */
56
57/* source select */
58#define SRCVIDEO 0x00000000 /* source is video RAM */
59#define SRCSYSTEM 0x00000010 /* source is system memory */
60#define SRCCPUBLITBUF SRCSYSTEM /* source is CPU-driven BitBuffer (for color expand) */
61#define SRCAGP 0x00000020 /* source is AGP memory (?) */
62
63/* Pattern flags */
64#define PATFG 0x00000000 /* foreground color */
65#define PATPATREG 0x00000040 /* pattern in pattern buffer (0x8300) */
66#define PATMONO 0x00000080 /* mono pattern */
67
68/* blitting direction (300 series only) */
69#define X_INC 0x00010000
70#define X_DEC 0x00000000
71#define Y_INC 0x00020000
72#define Y_DEC 0x00000000
73
74/* Clipping flags */
75#define NOCLIP 0x00000000
76#define NOMERGECLIP 0x04000000
77#define CLIPENABLE 0x00040000
78#define CLIPWITHOUTMERGE 0x04040000
79
80/* Transparency */
81#define OPAQUE 0x00000000
82#define TRANSPARENT 0x00100000
83
84/* ? */
85#define DSTAGP 0x02000000
86#define DSTVIDEO 0x02000000
87
88/* Line */
89#define LINE_STYLE 0x00800000
90#define NO_RESET_COUNTER 0x00400000
91#define NO_LAST_PIXEL 0x00200000
92
93/* Subfunctions for Color/Enhanced Color Expansion (310/325 only) */
94#define COLOR_TO_MONO 0x00100000
95#define AA_TEXT 0x00200000
96
97/* Some general registers for 310/325 series */
98#define SRC_ADDR 0x8200
99#define SRC_PITCH 0x8204
100#define AGP_BASE 0x8206 /* color-depth dependent value */
101#define SRC_Y 0x8208
102#define SRC_X 0x820A
103#define DST_Y 0x820C
104#define DST_X 0x820E
105#define DST_ADDR 0x8210
106#define DST_PITCH 0x8214
107#define DST_HEIGHT 0x8216
108#define RECT_WIDTH 0x8218
109#define RECT_HEIGHT 0x821A
110#define PAT_FGCOLOR 0x821C
111#define PAT_BGCOLOR 0x8220
112#define SRC_FGCOLOR 0x8224
113#define SRC_BGCOLOR 0x8228
114#define MONO_MASK 0x822C
115#define LEFT_CLIP 0x8234
116#define TOP_CLIP 0x8236
117#define RIGHT_CLIP 0x8238
118#define BOTTOM_CLIP 0x823A
119#define COMMAND_READY 0x823C
120#define FIRE_TRIGGER 0x8240
121
122#define PATTERN_REG 0x8300 /* 384 bytes pattern buffer */
123
124/* Line registers */
125#define LINE_X0 SRC_Y
126#define LINE_X1 DST_Y
127#define LINE_Y0 SRC_X
128#define LINE_Y1 DST_X
129#define LINE_COUNT RECT_WIDTH
130#define LINE_STYLE_PERIOD RECT_HEIGHT
131#define LINE_STYLE_0 MONO_MASK
132#define LINE_STYLE_1 0x8230
133#define LINE_XN PATTERN_REG
134#define LINE_YN PATTERN_REG+2
135
136/* Transparent bitblit registers */
137#define TRANS_DST_KEY_HIGH PAT_FGCOLOR
138#define TRANS_DST_KEY_LOW PAT_BGCOLOR
139#define TRANS_SRC_KEY_HIGH SRC_FGCOLOR
140#define TRANS_SRC_KEY_LOW SRC_BGCOLOR
141
142/* Queue */
143#define Q_BASE_ADDR 0x85C0 /* Base address of software queue (?) */
144#define Q_WRITE_PTR 0x85C4 /* Current write pointer (?) */
145#define Q_READ_PTR 0x85C8 /* Current read pointer (?) */
146#define Q_STATUS 0x85CC /* queue status */
147
148
149#define MMIO_IN8(base, offset) \
150 *(volatile u8 *)(((u8*)(base)) + (offset))
151#define MMIO_IN16(base, offset) \
152 *(volatile u16 *)(void *)(((u8*)(base)) + (offset))
153#define MMIO_IN32(base, offset) \
154 *(volatile u32 *)(void *)(((u8*)(base)) + (offset))
155#define MMIO_OUT8(base, offset, val) \
156 *(volatile u8 *)(((u8*)(base)) + (offset)) = (val)
157#define MMIO_OUT16(base, offset, val) \
158 *(volatile u16 *)(void *)(((u8*)(base)) + (offset)) = (val)
159#define MMIO_OUT32(base, offset, val) \
160 *(volatile u32 *)(void *)(((u8*)(base)) + (offset)) = (val)
161
162
163
164/* ------------- XGI 300 series -------------- */
165
166/* Macros to do useful things with the XGI BitBLT engine */
167
168/* BR(16) (0x8420):
169
170 bit 31 2D engine: 1 is idle,
171 bit 30 3D engine: 1 is idle,
172 bit 29 Command queue: 1 is empty
173
174 bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0]
175
176 bits 15:0: Current command queue length
177
178*/
179
180/* TW: BR(16)+2 = 0x8242 */
181
182int xgiCmdQueLen;
183
184#define XGI300Idle \
185 { \
186 while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
187 while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
188 while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
189 xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, 0x8240); \
190 }
191/* TW: (do three times, because 2D engine seems quite unsure about whether or not it's idle) */
192
193#define XGI300SetupSRCBase(base) \
194 if (xgiCmdQueLen <= 0) XGI300Idle;\
195 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(0), base);\
196 xgiCmdQueLen --;
197
198#define XGI300SetupSRCPitch(pitch) \
199 if (xgiCmdQueLen <= 0) XGI300Idle;\
200 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(1), pitch);\
201 xgiCmdQueLen --;
202
203#define XGI300SetupSRCXY(x,y) \
204 if (xgiCmdQueLen <= 0) XGI300Idle;\
205 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(2), (x)<<16 | (y) );\
206 xgiCmdQueLen --;
207
208#define XGI300SetupDSTBase(base) \
209 if (xgiCmdQueLen <= 0) XGI300Idle;\
210 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(4), base);\
211 xgiCmdQueLen --;
212
213#define XGI300SetupDSTXY(x,y) \
214 if (xgiCmdQueLen <= 0) XGI300Idle;\
215 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(3), (x)<<16 | (y) );\
216 xgiCmdQueLen --;
217
218#define XGI300SetupDSTRect(x,y) \
219 if (xgiCmdQueLen <= 0) XGI300Idle;\
220 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(5), (y)<<16 | (x) );\
221 xgiCmdQueLen --;
222
223#define XGI300SetupDSTColorDepth(bpp) \
224 if (xgiCmdQueLen <= 0) XGI300Idle;\
225 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(1)+2, bpp);\
226 xgiCmdQueLen --;
227
228#define XGI300SetupRect(w,h) \
229 if (xgiCmdQueLen <= 0) XGI300Idle;\
230 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(6), (h)<<16 | (w) );\
231 xgiCmdQueLen --;
232
233#define XGI300SetupPATFG(color) \
234 if (xgiCmdQueLen <= 0) XGI300Idle;\
235 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(7), color);\
236 xgiCmdQueLen --;
237
238#define XGI300SetupPATBG(color) \
239 if (xgiCmdQueLen <= 0) XGI300Idle;\
240 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(8), color);\
241 xgiCmdQueLen --;
242
243#define XGI300SetupSRCFG(color) \
244 if (xgiCmdQueLen <= 0) XGI300Idle;\
245 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(9), color);\
246 xgiCmdQueLen --;
247
248#define XGI300SetupSRCBG(color) \
249 if (xgiCmdQueLen <= 0) XGI300Idle;\
250 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(10), color);\
251 xgiCmdQueLen --;
252
253/* 0x8224 src colorkey high */
254/* 0x8228 src colorkey low */
255/* 0x821c dest colorkey high */
256/* 0x8220 dest colorkey low */
257#define XGI300SetupSRCTrans(color) \
258 if (xgiCmdQueLen <= 1) XGI300Idle;\
259 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8224, color);\
260 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8228, color);\
261 xgiCmdQueLen -= 2;
262
263#define XGI300SetupDSTTrans(color) \
264 if (xgiCmdQueLen <= 1) XGI300Idle;\
265 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x821C, color); \
266 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8220, color); \
267 xgiCmdQueLen -= 2;
268
269#define XGI300SetupMONOPAT(p0,p1) \
270 if (xgiCmdQueLen <= 1) XGI300Idle;\
271 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(11), p0);\
272 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(12), p1);\
273 xgiCmdQueLen -= 2;
274
275#define XGI300SetupClipLT(left,top) \
276 if (xgiCmdQueLen <= 0) XGI300Idle;\
277 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\
278 xgiCmdQueLen--;
279
280#define XGI300SetupClipRB(right,bottom) \
281 if (xgiCmdQueLen <= 0) XGI300Idle;\
282 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\
283 xgiCmdQueLen--;
284
285/* General */
286#define XGI300SetupROP(rop) \
287 xgi_video_info.CommandReg = (rop) << 8;
288
289#define XGI300SetupCMDFlag(flags) \
290 xgi_video_info.CommandReg |= (flags);
291
292#define XGI300DoCMD \
293 if (xgiCmdQueLen <= 1) XGI300Idle;\
294 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(15), xgi_video_info.CommandReg); \
295 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(16), 0);\
296 xgiCmdQueLen -= 2;
297
298/* Line */
299#define XGI300SetupX0Y0(x,y) \
300 if (xgiCmdQueLen <= 0) XGI300Idle;\
301 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(2), (y)<<16 | (x) );\
302 xgiCmdQueLen--;
303
304#define XGI300SetupX1Y1(x,y) \
305 if (xgiCmdQueLen <= 0) XGI300Idle;\
306 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(3), (y)<<16 | (x) );\
307 xgiCmdQueLen--;
308
309#define XGI300SetupLineCount(c) \
310 if (xgiCmdQueLen <= 0) XGI300Idle;\
311 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(6), c);\
312 xgiCmdQueLen--;
313
314#define XGI300SetupStylePeriod(p) \
315 if (xgiCmdQueLen <= 0) XGI300Idle;\
316 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(6)+2, p);\
317 xgiCmdQueLen--;
318
319#define XGI300SetupStyleLow(ls) \
320 if (xgiCmdQueLen <= 0) XGI300Idle;\
321 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(11), ls);\
322 xgiCmdQueLen--;
323
324#define XGI300SetupStyleHigh(ls) \
325 if (xgiCmdQueLen <= 0) XGI300Idle;\
326 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(12), ls);\
327 xgiCmdQueLen--;
328
329
330
331/* ----------- XGI 310/325 series --------------- */
332
333/* Q_STATUS:
334 bit 31 = 1: All engines idle and all queues empty
335 bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty
336 bit 29 = 1: 2D engine is idle
337 bit 28 = 1: 3D engine is idle
338 bit 27 = 1: HW command queue empty
339 bit 26 = 1: 2D queue empty
340 bit 25 = 1: 3D queue empty
341 bit 24 = 1: SW command queue empty
342 bits 23:16: 2D counter 3
343 bits 15:8: 2D counter 2
344 bits 7:0: 2D counter 1
345
346 Where is the command queue length (current amount of commands the queue
347 can accept) on the 310/325 series? (The current implementation is taken
348 from 300 series and certainly wrong...)
349*/
350
351/* TW: FIXME: xgiCmdQueLen is... where....? */
352#define XGI310Idle \
353 { \
354 while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
355 while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
356 xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS); \
357 }
358
359#define XGI310SetupSRCBase(base) \
360 if (xgiCmdQueLen <= 0) XGI310Idle;\
361 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_ADDR, base);\
362 xgiCmdQueLen--;
363
364#define XGI310SetupSRCPitch(pitch) \
365 if (xgiCmdQueLen <= 0) XGI310Idle;\
366 MMIO_OUT16(xgi_video_info.mmio_vbase, SRC_PITCH, pitch);\
367 xgiCmdQueLen--;
368
369#define XGI310SetupSRCXY(x,y) \
370 if (xgiCmdQueLen <= 0) XGI310Idle;\
371 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_Y, (x)<<16 | (y) );\
372 xgiCmdQueLen--;
373
374#define XGI310SetupDSTBase(base) \
375 if (xgiCmdQueLen <= 0) XGI310Idle;\
376 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_ADDR, base);\
377 xgiCmdQueLen--;
378
379#define XGI310SetupDSTXY(x,y) \
380 if (xgiCmdQueLen <= 0) XGI310Idle;\
381 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_Y, (x)<<16 | (y) );\
382 xgiCmdQueLen--;
383
384#define XGI310SetupDSTRect(x,y) \
385 if (xgiCmdQueLen <= 0) XGI310Idle;\
386 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_PITCH, (y)<<16 | (x) );\
387 xgiCmdQueLen--;
388
389#define XGI310SetupDSTColorDepth(bpp) \
390 if (xgiCmdQueLen <= 0) XGI310Idle;\
391 MMIO_OUT16(xgi_video_info.mmio_vbase, AGP_BASE, bpp);\
392 xgiCmdQueLen--;
393
394#define XGI310SetupRect(w,h) \
395 if (xgiCmdQueLen <= 0) XGI310Idle;\
396 MMIO_OUT32(xgi_video_info.mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\
397 xgiCmdQueLen--;
398
399#define XGI310SetupPATFG(color) \
400 if (xgiCmdQueLen <= 0) XGI310Idle;\
401 MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_FGCOLOR, color);\
402 xgiCmdQueLen--;
403
404#define XGI310SetupPATBG(color) \
405 if (xgiCmdQueLen <= 0) XGI310Idle;\
406 MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_BGCOLOR, color);\
407 xgiCmdQueLen--;
408
409#define XGI310SetupSRCFG(color) \
410 if (xgiCmdQueLen <= 0) XGI310Idle;\
411 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_FGCOLOR, color);\
412 xgiCmdQueLen--;
413
414#define XGI310SetupSRCBG(color) \
415 if (xgiCmdQueLen <= 0) XGI310Idle;\
416 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_BGCOLOR, color);\
417 xgiCmdQueLen--;
418
419#define XGI310SetupSRCTrans(color) \
420 if (xgiCmdQueLen <= 1) XGI310Idle;\
421 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_HIGH, color);\
422 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_LOW, color);\
423 xgiCmdQueLen -= 2;
424
425#define XGI310SetupDSTTrans(color) \
426 if (xgiCmdQueLen <= 1) XGI310Idle;\
427 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_HIGH, color); \
428 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_LOW, color); \
429 xgiCmdQueLen -= 2;
430
431#define XGI310SetupMONOPAT(p0,p1) \
432 if (xgiCmdQueLen <= 1) XGI310Idle;\
433 MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK, p0);\
434 MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK+4, p1);\
435 xgiCmdQueLen -= 2;
436
437#define XGI310SetupClipLT(left,top) \
438 if (xgiCmdQueLen <= 0) XGI310Idle;\
439 MMIO_OUT32(xgi_video_info.mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\
440 xgiCmdQueLen--;
441
442#define XGI310SetupClipRB(right,bottom) \
443 if (xgiCmdQueLen <= 0) XGI310Idle;\
444 MMIO_OUT32(xgi_video_info.mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\
445 xgiCmdQueLen--;
446
447#define XGI310SetupROP(rop) \
448 xgi_video_info.CommandReg = (rop) << 8;
449
450#define XGI310SetupCMDFlag(flags) \
451 xgi_video_info.CommandReg |= (flags);
452
453#define XGI310DoCMD \
454 if (xgiCmdQueLen <= 1) XGI310Idle;\
455 MMIO_OUT32(xgi_video_info.mmio_vbase, COMMAND_READY, xgi_video_info.CommandReg); \
456 MMIO_OUT32(xgi_video_info.mmio_vbase, FIRE_TRIGGER, 0); \
457 xgiCmdQueLen -= 2;
458
459#define XGI310SetupX0Y0(x,y) \
460 if (xgiCmdQueLen <= 0) XGI310Idle;\
461 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X0, (y)<<16 | (x) );\
462 xgiCmdQueLen--;
463
464#define XGI310SetupX1Y1(x,y) \
465 if (xgiCmdQueLen <= 0) XGI310Idle;\
466 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X1, (y)<<16 | (x) );\
467 xgiCmdQueLen--;
468
469#define XGI310SetupLineCount(c) \
470 if (xgiCmdQueLen <= 0) XGI310Idle;\
471 MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_COUNT, c);\
472 xgiCmdQueLen--;
473
474#define XGI310SetupStylePeriod(p) \
475 if (xgiCmdQueLen <= 0) XGI310Idle;\
476 MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_STYLE_PERIOD, p);\
477 xgiCmdQueLen--;
478
479#define XGI310SetupStyleLow(ls) \
480 if (xgiCmdQueLen <= 0) XGI310Idle;\
481 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_0, ls);\
482 xgiCmdQueLen--;
483
484#define XGI310SetupStyleHigh(ls) \
485 if (xgiCmdQueLen <= 0) XGI310Idle;\
486 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_1, ls);\
487 xgiCmdQueLen--;
488
489int XGIfb_initaccel(void);
490void XGIfb_syncaccel(void);
491
492extern struct video_info xgi_video_info;
493
494#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33)
495void fbcon_XGI_bmove(struct display *p, int srcy, int srcx, int dsty,
496 int dstx, int height, int width);
497void fbcon_XGI_revc(struct display *p, int srcy, int srcx);
498void fbcon_XGI_clear8(struct vc_data *conp, struct display *p, int srcy,
499 int srcx, int height, int width);
500void fbcon_XGI_clear16(struct vc_data *conp, struct display *p, int srcy,
501 int srcx, int height, int width);
502void fbcon_XGI_clear32(struct vc_data *conp, struct display *p, int srcy,
503 int srcx, int height, int width);
504#endif
505#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
506extern int XGIfb_accel;
507void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
508void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area);
509#endif
510
511#endif
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