2 * XGI 300/630/730/540/315/550/650/740 frame buffer driver
3 * for Linux kernels 2.4.x and 2.5.x
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
13 * Author: Thomas Winischhofer <thomas@winischhofer.net>:
14 * (see http://www.winischhofer.net/
15 * for more information and updates)
18 #ifndef _XGIFB_ACCEL_H
19 #define _XGIFB_ACCEL_H
21 /* Definitions for the XGI engine communication. */
23 #define PATREGSIZE 384 /* Pattern register size. 384 bytes @ 0x8300 */
24 #define BR(x) (0x8200 | (x) << 2)
25 #define PBR(x) (0x8300 | (x) << 2)
27 /* XGI300 engine commands */
28 #define BITBLT 0x00000000 /* Blit */
29 #define COLOREXP 0x00000001 /* Color expand */
30 #define ENCOLOREXP 0x00000002 /* Enhanced color expand */
31 #define MULTIPLE_SCANLINE 0x00000003 /* ? */
32 #define LINE 0x00000004 /* Draw line */
33 #define TRAPAZOID_FILL 0x00000005 /* Fill trapezoid */
34 #define TRANSPARENT_BITBLT 0x00000006 /* Transparent Blit */
36 /* Additional engine commands for 310/325 */
37 #define ALPHA_BLEND 0x00000007 /* Alpha blend ? */
38 #define A3D_FUNCTION 0x00000008 /* 3D command ? */
39 #define CLEAR_Z_BUFFER 0x00000009 /* ? */
40 #define GRADIENT_FILL 0x0000000A /* Gradient fill */
41 #define STRETCH_BITBLT 0x0000000B /* Stretched Blit */
44 #define SRCVIDEO 0x00000000 /* source is video RAM */
45 #define SRCSYSTEM 0x00000010 /* source is system memory */
46 #define SRCCPUBLITBUF SRCSYSTEM /* source is CPU-driven BitBuffer (for color expand) */
47 #define SRCAGP 0x00000020 /* source is AGP memory (?) */
50 #define PATFG 0x00000000 /* foreground color */
51 #define PATPATREG 0x00000040 /* pattern in pattern buffer (0x8300) */
52 #define PATMONO 0x00000080 /* mono pattern */
54 /* blitting direction (300 series only) */
55 #define X_INC 0x00010000
56 #define X_DEC 0x00000000
57 #define Y_INC 0x00020000
58 #define Y_DEC 0x00000000
61 #define NOCLIP 0x00000000
62 #define NOMERGECLIP 0x04000000
63 #define CLIPENABLE 0x00040000
64 #define CLIPWITHOUTMERGE 0x04040000
67 #define OPAQUE 0x00000000
68 #define TRANSPARENT 0x00100000
71 #define DSTAGP 0x02000000
72 #define DSTVIDEO 0x02000000
75 #define LINE_STYLE 0x00800000
76 #define NO_RESET_COUNTER 0x00400000
77 #define NO_LAST_PIXEL 0x00200000
79 /* Subfunctions for Color/Enhanced Color Expansion (310/325 only) */
80 #define COLOR_TO_MONO 0x00100000
81 #define AA_TEXT 0x00200000
83 /* Some general registers for 310/325 series */
84 #define SRC_ADDR 0x8200
85 #define SRC_PITCH 0x8204
86 #define AGP_BASE 0x8206 /* color-depth dependent value */
91 #define DST_ADDR 0x8210
92 #define DST_PITCH 0x8214
93 #define DST_HEIGHT 0x8216
94 #define RECT_WIDTH 0x8218
95 #define RECT_HEIGHT 0x821A
96 #define PAT_FGCOLOR 0x821C
97 #define PAT_BGCOLOR 0x8220
98 #define SRC_FGCOLOR 0x8224
99 #define SRC_BGCOLOR 0x8228
100 #define MONO_MASK 0x822C
101 #define LEFT_CLIP 0x8234
102 #define TOP_CLIP 0x8236
103 #define RIGHT_CLIP 0x8238
104 #define BOTTOM_CLIP 0x823A
105 #define COMMAND_READY 0x823C
106 #define FIRE_TRIGGER 0x8240
108 #define PATTERN_REG 0x8300 /* 384 bytes pattern buffer */
111 #define LINE_X0 SRC_Y
112 #define LINE_X1 DST_Y
113 #define LINE_Y0 SRC_X
114 #define LINE_Y1 DST_X
115 #define LINE_COUNT RECT_WIDTH
116 #define LINE_STYLE_PERIOD RECT_HEIGHT
117 #define LINE_STYLE_0 MONO_MASK
118 #define LINE_STYLE_1 0x8230
119 #define LINE_XN PATTERN_REG
120 #define LINE_YN PATTERN_REG+2
122 /* Transparent bitblit registers */
123 #define TRANS_DST_KEY_HIGH PAT_FGCOLOR
124 #define TRANS_DST_KEY_LOW PAT_BGCOLOR
125 #define TRANS_SRC_KEY_HIGH SRC_FGCOLOR
126 #define TRANS_SRC_KEY_LOW SRC_BGCOLOR
129 #define Q_BASE_ADDR 0x85C0 /* Base address of software queue (?) */
130 #define Q_WRITE_PTR 0x85C4 /* Current write pointer (?) */
131 #define Q_READ_PTR 0x85C8 /* Current read pointer (?) */
132 #define Q_STATUS 0x85CC /* queue status */
135 #define MMIO_IN8(base, offset) \
136 *(volatile u8 *)(((u8*)(base)) + (offset))
137 #define MMIO_IN16(base, offset) \
138 *(volatile u16 *)(void *)(((u8*)(base)) + (offset))
139 #define MMIO_IN32(base, offset) \
140 *(volatile u32 *)(void *)(((u8*)(base)) + (offset))
141 #define MMIO_OUT8(base, offset, val) \
142 *(volatile u8 *)(((u8*)(base)) + (offset)) = (val)
143 #define MMIO_OUT16(base, offset, val) \
144 *(volatile u16 *)(void *)(((u8*)(base)) + (offset)) = (val)
145 #define MMIO_OUT32(base, offset, val) \
146 *(volatile u32 *)(void *)(((u8*)(base)) + (offset)) = (val)
150 /* ------------- XGI 300 series -------------- */
152 /* Macros to do useful things with the XGI BitBLT engine */
156 bit 31 2D engine: 1 is idle,
157 bit 30 3D engine: 1 is idle,
158 bit 29 Command queue: 1 is empty
160 bits 28:24: Current CPU driven BitBlt buffer stage bit[4:0]
162 bits 15:0: Current command queue length
166 /* TW: BR(16)+2 = 0x8242 */
168 static int xgiCmdQueLen;
172 while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
173 while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
174 while( (MMIO_IN16(xgi_video_info.mmio_vbase, BR(16)+2) & 0xE000) != 0xE000){}; \
175 xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, 0x8240); \
177 /* TW: (do three times, because 2D engine seems quite unsure about whether or not it's idle) */
179 #define XGI300SetupSRCBase(base) \
180 if (xgiCmdQueLen <= 0) XGI300Idle;\
181 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(0), base);\
184 #define XGI300SetupSRCPitch(pitch) \
185 if (xgiCmdQueLen <= 0) XGI300Idle;\
186 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(1), pitch);\
189 #define XGI300SetupSRCXY(x,y) \
190 if (xgiCmdQueLen <= 0) XGI300Idle;\
191 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(2), (x)<<16 | (y) );\
194 #define XGI300SetupDSTBase(base) \
195 if (xgiCmdQueLen <= 0) XGI300Idle;\
196 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(4), base);\
199 #define XGI300SetupDSTXY(x,y) \
200 if (xgiCmdQueLen <= 0) XGI300Idle;\
201 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(3), (x)<<16 | (y) );\
204 #define XGI300SetupDSTRect(x,y) \
205 if (xgiCmdQueLen <= 0) XGI300Idle;\
206 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(5), (y)<<16 | (x) );\
209 #define XGI300SetupDSTColorDepth(bpp) \
210 if (xgiCmdQueLen <= 0) XGI300Idle;\
211 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(1)+2, bpp);\
214 #define XGI300SetupRect(w,h) \
215 if (xgiCmdQueLen <= 0) XGI300Idle;\
216 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(6), (h)<<16 | (w) );\
219 #define XGI300SetupPATFG(color) \
220 if (xgiCmdQueLen <= 0) XGI300Idle;\
221 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(7), color);\
224 #define XGI300SetupPATBG(color) \
225 if (xgiCmdQueLen <= 0) XGI300Idle;\
226 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(8), color);\
229 #define XGI300SetupSRCFG(color) \
230 if (xgiCmdQueLen <= 0) XGI300Idle;\
231 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(9), color);\
234 #define XGI300SetupSRCBG(color) \
235 if (xgiCmdQueLen <= 0) XGI300Idle;\
236 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(10), color);\
239 /* 0x8224 src colorkey high */
240 /* 0x8228 src colorkey low */
241 /* 0x821c dest colorkey high */
242 /* 0x8220 dest colorkey low */
243 #define XGI300SetupSRCTrans(color) \
244 if (xgiCmdQueLen <= 1) XGI300Idle;\
245 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8224, color);\
246 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8228, color);\
249 #define XGI300SetupDSTTrans(color) \
250 if (xgiCmdQueLen <= 1) XGI300Idle;\
251 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x821C, color); \
252 MMIO_OUT32(xgi_video_info.mmio_vbase, 0x8220, color); \
255 #define XGI300SetupMONOPAT(p0,p1) \
256 if (xgiCmdQueLen <= 1) XGI300Idle;\
257 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(11), p0);\
258 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(12), p1);\
261 #define XGI300SetupClipLT(left,top) \
262 if (xgiCmdQueLen <= 0) XGI300Idle;\
263 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(13), ((left) & 0xFFFF) | (top)<<16 );\
266 #define XGI300SetupClipRB(right,bottom) \
267 if (xgiCmdQueLen <= 0) XGI300Idle;\
268 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );\
272 #define XGI300SetupROP(rop) \
273 xgi_video_info.CommandReg = (rop) << 8;
275 #define XGI300SetupCMDFlag(flags) \
276 xgi_video_info.CommandReg |= (flags);
278 #define XGI300DoCMD \
279 if (xgiCmdQueLen <= 1) XGI300Idle;\
280 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(15), xgi_video_info.CommandReg); \
281 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(16), 0);\
285 #define XGI300SetupX0Y0(x,y) \
286 if (xgiCmdQueLen <= 0) XGI300Idle;\
287 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(2), (y)<<16 | (x) );\
290 #define XGI300SetupX1Y1(x,y) \
291 if (xgiCmdQueLen <= 0) XGI300Idle;\
292 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(3), (y)<<16 | (x) );\
295 #define XGI300SetupLineCount(c) \
296 if (xgiCmdQueLen <= 0) XGI300Idle;\
297 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(6), c);\
300 #define XGI300SetupStylePeriod(p) \
301 if (xgiCmdQueLen <= 0) XGI300Idle;\
302 MMIO_OUT16(xgi_video_info.mmio_vbase, BR(6)+2, p);\
305 #define XGI300SetupStyleLow(ls) \
306 if (xgiCmdQueLen <= 0) XGI300Idle;\
307 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(11), ls);\
310 #define XGI300SetupStyleHigh(ls) \
311 if (xgiCmdQueLen <= 0) XGI300Idle;\
312 MMIO_OUT32(xgi_video_info.mmio_vbase, BR(12), ls);\
317 /* ----------- XGI 310/325 series --------------- */
320 bit 31 = 1: All engines idle and all queues empty
321 bit 30 = 1: Hardware Queue (=HW CQ, 2D queue, 3D queue) empty
322 bit 29 = 1: 2D engine is idle
323 bit 28 = 1: 3D engine is idle
324 bit 27 = 1: HW command queue empty
325 bit 26 = 1: 2D queue empty
326 bit 25 = 1: 3D queue empty
327 bit 24 = 1: SW command queue empty
328 bits 23:16: 2D counter 3
329 bits 15:8: 2D counter 2
330 bits 7:0: 2D counter 1
332 Where is the command queue length (current amount of commands the queue
333 can accept) on the 310/325 series? (The current implementation is taken
334 from 300 series and certainly wrong...)
337 /* TW: FIXME: xgiCmdQueLen is... where....? */
340 while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
341 while( (MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS+2) & 0x8000) != 0x8000){}; \
342 xgiCmdQueLen=MMIO_IN16(xgi_video_info.mmio_vbase, Q_STATUS); \
345 #define XGI310SetupSRCBase(base) \
346 if (xgiCmdQueLen <= 0) XGI310Idle;\
347 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_ADDR, base);\
350 #define XGI310SetupSRCPitch(pitch) \
351 if (xgiCmdQueLen <= 0) XGI310Idle;\
352 MMIO_OUT16(xgi_video_info.mmio_vbase, SRC_PITCH, pitch);\
355 #define XGI310SetupSRCXY(x,y) \
356 if (xgiCmdQueLen <= 0) XGI310Idle;\
357 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_Y, (x)<<16 | (y) );\
360 #define XGI310SetupDSTBase(base) \
361 if (xgiCmdQueLen <= 0) XGI310Idle;\
362 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_ADDR, base);\
365 #define XGI310SetupDSTXY(x,y) \
366 if (xgiCmdQueLen <= 0) XGI310Idle;\
367 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_Y, (x)<<16 | (y) );\
370 #define XGI310SetupDSTRect(x,y) \
371 if (xgiCmdQueLen <= 0) XGI310Idle;\
372 MMIO_OUT32(xgi_video_info.mmio_vbase, DST_PITCH, (y)<<16 | (x) );\
375 #define XGI310SetupDSTColorDepth(bpp) \
376 if (xgiCmdQueLen <= 0) XGI310Idle;\
377 MMIO_OUT16(xgi_video_info.mmio_vbase, AGP_BASE, bpp);\
380 #define XGI310SetupRect(w,h) \
381 if (xgiCmdQueLen <= 0) XGI310Idle;\
382 MMIO_OUT32(xgi_video_info.mmio_vbase, RECT_WIDTH, (h)<<16 | (w) );\
385 #define XGI310SetupPATFG(color) \
386 if (xgiCmdQueLen <= 0) XGI310Idle;\
387 MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_FGCOLOR, color);\
390 #define XGI310SetupPATBG(color) \
391 if (xgiCmdQueLen <= 0) XGI310Idle;\
392 MMIO_OUT32(xgi_video_info.mmio_vbase, PAT_BGCOLOR, color);\
395 #define XGI310SetupSRCFG(color) \
396 if (xgiCmdQueLen <= 0) XGI310Idle;\
397 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_FGCOLOR, color);\
400 #define XGI310SetupSRCBG(color) \
401 if (xgiCmdQueLen <= 0) XGI310Idle;\
402 MMIO_OUT32(xgi_video_info.mmio_vbase, SRC_BGCOLOR, color);\
405 #define XGI310SetupSRCTrans(color) \
406 if (xgiCmdQueLen <= 1) XGI310Idle;\
407 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_HIGH, color);\
408 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_SRC_KEY_LOW, color);\
411 #define XGI310SetupDSTTrans(color) \
412 if (xgiCmdQueLen <= 1) XGI310Idle;\
413 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_HIGH, color); \
414 MMIO_OUT32(xgi_video_info.mmio_vbase, TRANS_DST_KEY_LOW, color); \
417 #define XGI310SetupMONOPAT(p0,p1) \
418 if (xgiCmdQueLen <= 1) XGI310Idle;\
419 MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK, p0);\
420 MMIO_OUT32(xgi_video_info.mmio_vbase, MONO_MASK+4, p1);\
423 #define XGI310SetupClipLT(left,top) \
424 if (xgiCmdQueLen <= 0) XGI310Idle;\
425 MMIO_OUT32(xgi_video_info.mmio_vbase, LEFT_CLIP, ((left) & 0xFFFF) | (top)<<16 );\
428 #define XGI310SetupClipRB(right,bottom) \
429 if (xgiCmdQueLen <= 0) XGI310Idle;\
430 MMIO_OUT32(xgi_video_info.mmio_vbase, RIGHT_CLIP, ((right) & 0xFFFF) | (bottom)<<16 );\
433 #define XGI310SetupROP(rop) \
434 xgi_video_info.CommandReg = (rop) << 8;
436 #define XGI310SetupCMDFlag(flags) \
437 xgi_video_info.CommandReg |= (flags);
439 #define XGI310DoCMD \
440 if (xgiCmdQueLen <= 1) XGI310Idle;\
441 MMIO_OUT32(xgi_video_info.mmio_vbase, COMMAND_READY, xgi_video_info.CommandReg); \
442 MMIO_OUT32(xgi_video_info.mmio_vbase, FIRE_TRIGGER, 0); \
445 #define XGI310SetupX0Y0(x,y) \
446 if (xgiCmdQueLen <= 0) XGI310Idle;\
447 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X0, (y)<<16 | (x) );\
450 #define XGI310SetupX1Y1(x,y) \
451 if (xgiCmdQueLen <= 0) XGI310Idle;\
452 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_X1, (y)<<16 | (x) );\
455 #define XGI310SetupLineCount(c) \
456 if (xgiCmdQueLen <= 0) XGI310Idle;\
457 MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_COUNT, c);\
460 #define XGI310SetupStylePeriod(p) \
461 if (xgiCmdQueLen <= 0) XGI310Idle;\
462 MMIO_OUT16(xgi_video_info.mmio_vbase, LINE_STYLE_PERIOD, p);\
465 #define XGI310SetupStyleLow(ls) \
466 if (xgiCmdQueLen <= 0) XGI310Idle;\
467 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_0, ls);\
470 #define XGI310SetupStyleHigh(ls) \
471 if (xgiCmdQueLen <= 0) XGI310Idle;\
472 MMIO_OUT32(xgi_video_info.mmio_vbase, LINE_STYLE_1, ls);\
475 int XGIfb_initaccel(void);
476 void XGIfb_syncaccel(void);
477 int fbcon_XGI_sync(struct fb_info *info);
479 extern struct video_info xgi_video_info;