Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
[pandora-kernel.git] / drivers / staging / xgifb / XGI_accel.h
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
182 int     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
489 int  XGIfb_initaccel(void);
490 void XGIfb_syncaccel(void);
491
492 extern struct video_info xgi_video_info;
493
494 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33)
495 void fbcon_XGI_bmove(struct display *p, int srcy, int srcx, int dsty,
496                      int dstx, int height, int width);
497 void fbcon_XGI_revc(struct display *p, int srcy, int srcx);
498 void fbcon_XGI_clear8(struct vc_data *conp, struct display *p, int srcy,
499                       int srcx, int height, int width);
500 void fbcon_XGI_clear16(struct vc_data *conp, struct display *p, int srcy,
501                        int srcx, int height, int width);
502 void 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)
506 extern int XGIfb_accel;
507 void fbcon_XGI_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
508 void fbcon_XGI_copyarea(struct fb_info *info, const struct fb_copyarea *area);
509 #endif
510
511 #endif