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.c which is
8 * Copyright Xavier Ducoin <x.ducoin@lectra.com>
9 * Copyright 2002 by Thomas Winischhofer, Vienna, Austria
10 * and XGI310_accel.c 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 //#include <linux/config.h>
19 #include <linux/version.h>
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/errno.h>
23 #include <linux/string.h>
25 #include <linux/tty.h>
26 #include <linux/slab.h>
27 #include <linux/delay.h>
29 #include <linux/console.h>
30 #include <linux/selection.h>
31 #include <linux/ioport.h>
32 #include <linux/init.h>
33 #include <linux/pci.h>
34 #include <linux/vt_kern.h>
35 #include <linux/capability.h>
37 #include <linux/agp_backend.h>
39 #include <linux/types.h>
41 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
42 #include <linux/XGIfb.h>
44 #include <video/XGIfb.h>
53 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
54 #include <video/fbcon.h>
55 #include <video/fbcon-cfb8.h>
56 #include <video/fbcon-cfb16.h>
57 #include <video/fbcon-cfb24.h>
58 #include <video/fbcon-cfb32.h>
63 #include "vb_struct.h"
65 #include "XGI_accel.h"
68 extern struct video_info xgi_video_info
;
69 extern int XGIfb_accel
;
71 static const int XGIALUConv
[] =
73 0x00, /* dest = 0; 0, GXclear, 0 */
74 0x88, /* dest &= src; DSa, GXand, 0x1 */
75 0x44, /* dest = src & ~dest; SDna, GXandReverse, 0x2 */
76 0xCC, /* dest = src; S, GXcopy, 0x3 */
77 0x22, /* dest &= ~src; DSna, GXandInverted, 0x4 */
78 0xAA, /* dest = dest; D, GXnoop, 0x5 */
79 0x66, /* dest = ^src; DSx, GXxor, 0x6 */
80 0xEE, /* dest |= src; DSo, GXor, 0x7 */
81 0x11, /* dest = ~src & ~dest; DSon, GXnor, 0x8 */
82 0x99, /* dest ^= ~src ; DSxn, GXequiv, 0x9 */
83 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */
84 0xDD, /* dest = src|~dest ; SDno, GXorReverse, 0xB */
85 0x33, /* dest = ~src; Sn, GXcopyInverted, 0xC */
86 0xBB, /* dest |= ~src; DSno, GXorInverted, 0xD */
87 0x77, /* dest = ~src|~dest; DSan, GXnand, 0xE */
88 0xFF, /* dest = 0xFF; 1, GXset, 0xF */
90 /* same ROP but with Pattern as Source */
91 static const int XGIPatALUConv
[] =
93 0x00, /* dest = 0; 0, GXclear, 0 */
94 0xA0, /* dest &= src; DPa, GXand, 0x1 */
95 0x50, /* dest = src & ~dest; PDna, GXandReverse, 0x2 */
96 0xF0, /* dest = src; P, GXcopy, 0x3 */
97 0x0A, /* dest &= ~src; DPna, GXandInverted, 0x4 */
98 0xAA, /* dest = dest; D, GXnoop, 0x5 */
99 0x5A, /* dest = ^src; DPx, GXxor, 0x6 */
100 0xFA, /* dest |= src; DPo, GXor, 0x7 */
101 0x05, /* dest = ~src & ~dest; DPon, GXnor, 0x8 */
102 0xA5, /* dest ^= ~src ; DPxn, GXequiv, 0x9 */
103 0x55, /* dest = ~dest; Dn, GXInvert, 0xA */
104 0xF5, /* dest = src|~dest ; PDno, GXorReverse, 0xB */
105 0x0F, /* dest = ~src; Pn, GXcopyInverted, 0xC */
106 0xAF, /* dest |= ~src; DPno, GXorInverted, 0xD */
107 0x5F, /* dest = ~src|~dest; DPan, GXnand, 0xE */
108 0xFF, /* dest = 0xFF; 1, GXset, 0xF */
111 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34)
112 static const unsigned char myrops
[] = {
113 3, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3
132 XGI300SetupForScreenToScreenCopy(int xdir
, int ydir
, int rop
,
133 unsigned int planemask
, int trans_color
)
135 XGI300SetupDSTColorDepth(xgi_video_info
.DstColor
);
136 XGI300SetupSRCPitch(xgi_video_info
.video_linelength
)
137 XGI300SetupDSTRect(xgi_video_info
.video_linelength
, 0xFFF)
139 if(trans_color
!= -1) {
141 XGI300SetupSRCTrans(trans_color
)
142 XGI300SetupCMDFlag(TRANSPARENT_BITBLT
)
144 XGI300SetupROP(XGIALUConv
[rop
])
147 XGI300SetupCMDFlag(X_INC
)
150 XGI300SetupCMDFlag(Y_INC
)
155 XGI300SubsequentScreenToScreenCopy(int src_x
, int src_y
, int dst_x
, int dst_y
,
156 int width
, int height
)
158 long srcbase
, dstbase
;
160 srcbase
= dstbase
= 0;
162 srcbase
= xgi_video_info
.video_linelength
* src_y
;
166 dstbase
= xgi_video_info
.video_linelength
* dst_y
;
170 XGI300SetupSRCBase(srcbase
);
171 XGI300SetupDSTBase(dstbase
);
173 if(!(xgi_video_info
.CommandReg
& X_INC
)) {
177 if(!(xgi_video_info
.CommandReg
& Y_INC
)) {
181 XGI300SetupRect(width
, height
)
182 XGI300SetupSRCXY(src_x
, src_y
)
183 XGI300SetupDSTXY(dst_x
, dst_y
)
188 XGI300SetupForSolidFill(int color
, int rop
, unsigned int planemask
)
190 XGI300SetupPATFG(color
)
191 XGI300SetupDSTRect(xgi_video_info
.video_linelength
, 0xFFF)
192 XGI300SetupDSTColorDepth(xgi_video_info
.DstColor
);
193 XGI300SetupROP(XGIPatALUConv
[rop
])
194 XGI300SetupCMDFlag(PATFG
)
198 XGI300SubsequentSolidFillRect(int x
, int y
, int w
, int h
)
204 dstbase
= xgi_video_info
.video_linelength
* y
;
207 XGI300SetupDSTBase(dstbase
)
208 XGI300SetupDSTXY(x
,y
)
210 XGI300SetupCMDFlag(X_INC
| Y_INC
| BITBLT
)
214 /* 310/325 series ------------------------------------------------ */
217 XGI310SetupForScreenToScreenCopy(int xdir
, int ydir
, int rop
,
218 unsigned int planemask
, int trans_color
)
220 XGI310SetupDSTColorDepth(xgi_video_info
.DstColor
);
221 XGI310SetupSRCPitch(xgi_video_info
.video_linelength
)
222 XGI310SetupDSTRect(xgi_video_info
.video_linelength
, 0xFFF)
223 if (trans_color
!= -1) {
225 XGI310SetupSRCTrans(trans_color
)
226 XGI310SetupCMDFlag(TRANSPARENT_BITBLT
)
228 XGI310SetupROP(XGIALUConv
[rop
])
229 /* Set command - not needed, both 0 */
230 /* XGISetupCMDFlag(BITBLT | SRCVIDEO) */
232 XGI310SetupCMDFlag(xgi_video_info
.XGI310_AccelDepth
)
233 /* TW: The 310/325 series is smart enough to know the direction */
237 XGI310SubsequentScreenToScreenCopy(int src_x
, int src_y
, int dst_x
, int dst_y
,
238 int width
, int height
)
240 long srcbase
, dstbase
;
243 srcbase
= dstbase
= 0;
244 mymin
= min(src_y
, dst_y
);
245 mymax
= max(src_y
, dst_y
);
247 /* Although the chip knows the direction to use
248 * if the source and destination areas overlap,
249 * that logic fails if we fiddle with the bitmap
250 * addresses. Therefore, we check if the source
251 * and destination blitting areas overlap and
252 * adapt the bitmap addresses synchronously
253 * if the coordinates exceed the valid range.
254 * The the areas do not overlap, we do our
257 if((mymax
- mymin
) < height
) {
258 if((src_y
>= 2048) || (dst_y
>= 2048)) {
259 srcbase
= xgi_video_info
.video_linelength
* mymin
;
260 dstbase
= xgi_video_info
.video_linelength
* mymin
;
266 srcbase
= xgi_video_info
.video_linelength
* src_y
;
270 dstbase
= xgi_video_info
.video_linelength
* dst_y
;
275 XGI310SetupSRCBase(srcbase
);
276 XGI310SetupDSTBase(dstbase
);
277 XGI310SetupRect(width
, height
)
278 XGI310SetupSRCXY(src_x
, src_y
)
279 XGI310SetupDSTXY(dst_x
, dst_y
)
284 XGI310SetupForSolidFill(int color
, int rop
, unsigned int planemask
)
286 XGI310SetupPATFG(color
)
287 XGI310SetupDSTRect(xgi_video_info
.video_linelength
, 0xFFF)
288 XGI310SetupDSTColorDepth(xgi_video_info
.DstColor
);
289 XGI310SetupROP(XGIPatALUConv
[rop
])
290 XGI310SetupCMDFlag(PATFG
| xgi_video_info
.XGI310_AccelDepth
)
294 XGI310SubsequentSolidFillRect(int x
, int y
, int w
, int h
)
300 dstbase
= xgi_video_info
.video_linelength
* y
;
303 XGI310SetupDSTBase(dstbase
)
304 XGI310SetupDSTXY(x
,y
)
306 XGI310SetupCMDFlag(BITBLT
)
310 /* --------------------------------------------------------------------- */
312 /* The exported routines */
314 int XGIfb_initaccel(void)
316 #ifdef XGIFB_USE_SPINLOCKS
317 spin_lock_init(&xgi_video_info
.lockaccel
);
322 void XGIfb_syncaccel(void)
329 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,34) /* --- KERNEL 2.5.34 and later --- */
331 int fbcon_XGI_sync(struct fb_info
*info
)
333 if(!XGIfb_accel
) return 0;
342 void fbcon_XGI_fillrect(struct fb_info
*info
, const struct fb_fillrect
*rect
)
348 if(!rect
->width
|| !rect
->height
)
352 cfb_fillrect(info
, rect
);
356 switch(info
->var
.bits_per_pixel
) {
357 case 8: col
= rect
->color
;
359 case 16: col
= ((u32
*)(info
->pseudo_palette
))[rect
->color
];
361 case 32: col
= ((u32
*)(info
->pseudo_palette
))[rect
->color
];
367 XGI310SetupForSolidFill(col
, myrops
[rect
->rop
], 0);
368 XGI310SubsequentSolidFillRect(rect
->dx
, rect
->dy
, rect
->width
, rect
->height
);
375 void fbcon_XGI_copyarea(struct fb_info
*info
, const struct fb_copyarea
*area
)
382 cfb_copyarea(info
, area
);
386 if(!area
->width
|| !area
->height
)
389 if(area
->sx
< area
->dx
) xdir
= 0;
391 if(area
->sy
< area
->dy
) ydir
= 0;
395 XGI310SetupForScreenToScreenCopy(xdir
, ydir
, 3, 0, -1);
396 XGI310SubsequentScreenToScreenCopy(area
->sx
, area
->sy
, area
->dx
, area
->dy
, area
->width
, area
->height
);
404 #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,33) /* ------ KERNEL <2.5.34 ------ */
406 void fbcon_XGI_bmove(struct display
*p
, int srcy
, int srcx
,
407 int dsty
, int dstx
, int height
, int width
)
412 if(!xgi_video_info
.accel
) {
413 switch(xgi_video_info
.video_bpp
) {
415 #ifdef FBCON_HAS_CFB8
416 fbcon_cfb8_bmove(p
, srcy
, srcx
, dsty
, dstx
, height
, width
);
420 #ifdef FBCON_HAS_CFB16
421 fbcon_cfb16_bmove(p
, srcy
, srcx
, dsty
, dstx
, height
, width
);
425 #ifdef FBCON_HAS_CFB32
426 fbcon_cfb32_bmove(p
, srcy
, srcx
, dsty
, dstx
, height
, width
);
433 srcx
*= fontwidth(p
);
434 srcy
*= fontheight(p
);
435 dstx
*= fontwidth(p
);
436 dsty
*= fontheight(p
);
437 width
*= fontwidth(p
);
438 height
*= fontheight(p
);
440 if(srcx
< dstx
) xdir
= 0;
442 if(srcy
< dsty
) ydir
= 0;
447 XGI310SetupForScreenToScreenCopy(xdir
, ydir
, 3, 0, -1);
448 XGI310SubsequentScreenToScreenCopy(srcx
, srcy
, dstx
, dsty
, width
, height
);
452 printk(KERN_INFO
"XGI_bmove sx %d sy %d dx %d dy %d w %d h %d\n",
453 srcx
, srcy
, dstx
, dsty
, width
, height
);
459 static void fbcon_XGI_clear(struct vc_data
*conp
, struct display
*p
,
460 int srcy
, int srcx
, int height
, int width
, int color
)
464 srcx
*= fontwidth(p
);
465 srcy
*= fontheight(p
);
466 width
*= fontwidth(p
);
467 height
*= fontheight(p
);
471 XGI310SetupForSolidFill(color
, 3, 0);
472 XGI310SubsequentSolidFillRect(srcx
, srcy
, width
, height
);
478 void fbcon_XGI_clear8(struct vc_data
*conp
, struct display
*p
,
479 int srcy
, int srcx
, int height
, int width
)
483 if(!xgi_video_info
.accel
) {
484 #ifdef FBCON_HAS_CFB8
485 fbcon_cfb8_clear(conp
, p
, srcy
, srcx
, height
, width
);
490 bgx
= attr_bgcol_ec(p
, conp
);
491 fbcon_XGI_clear(conp
, p
, srcy
, srcx
, height
, width
, bgx
);
494 void fbcon_XGI_clear16(struct vc_data
*conp
, struct display
*p
,
495 int srcy
, int srcx
, int height
, int width
)
498 if(!xgi_video_info
.accel
) {
499 #ifdef FBCON_HAS_CFB16
500 fbcon_cfb16_clear(conp
, p
, srcy
, srcx
, height
, width
);
505 bgx
= ((u_int16_t
*)p
->dispsw_data
)[attr_bgcol_ec(p
, conp
)];
506 fbcon_XGI_clear(conp
, p
, srcy
, srcx
, height
, width
, bgx
);
509 void fbcon_XGI_clear32(struct vc_data
*conp
, struct display
*p
,
510 int srcy
, int srcx
, int height
, int width
)
514 if(!xgi_video_info
.accel
) {
515 #ifdef FBCON_HAS_CFB32
516 fbcon_cfb32_clear(conp
, p
, srcy
, srcx
, height
, width
);
521 bgx
= ((u_int32_t
*)p
->dispsw_data
)[attr_bgcol_ec(p
, conp
)];
522 fbcon_XGI_clear(conp
, p
, srcy
, srcx
, height
, width
, bgx
);
525 void fbcon_XGI_revc(struct display
*p
, int srcx
, int srcy
)
529 if(!xgi_video_info
.accel
) {
530 switch(xgi_video_info
.video_bpp
) {
532 #ifdef FBCON_HAS_CFB16
533 fbcon_cfb16_revc(p
, srcx
, srcy
);
537 #ifdef FBCON_HAS_CFB32
538 fbcon_cfb32_revc(p
, srcx
, srcy
);
545 srcx
*= fontwidth(p
);
546 srcy
*= fontheight(p
);
550 XGI310SetupForSolidFill(0, 0x0a, 0);
551 XGI310SubsequentSolidFillRect(srcx
, srcy
, fontwidth(p
), fontheight(p
));
557 #ifdef FBCON_HAS_CFB8
558 struct display_switch fbcon_XGI8
= {
559 setup
: fbcon_cfb8_setup
,
560 bmove
: fbcon_XGI_bmove
,
561 clear
: fbcon_XGI_clear8
,
562 putc
: fbcon_cfb8_putc
,
563 putcs
: fbcon_cfb8_putcs
,
564 revc
: fbcon_cfb8_revc
,
565 clear_margins
: fbcon_cfb8_clear_margins
,
566 fontwidthmask
: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
569 #ifdef FBCON_HAS_CFB16
570 struct display_switch fbcon_XGI16
= {
571 setup
: fbcon_cfb16_setup
,
572 bmove
: fbcon_XGI_bmove
,
573 clear
: fbcon_XGI_clear16
,
574 putc
: fbcon_cfb16_putc
,
575 putcs
: fbcon_cfb16_putcs
,
576 revc
: fbcon_XGI_revc
,
577 clear_margins
: fbcon_cfb16_clear_margins
,
578 fontwidthmask
: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
581 #ifdef FBCON_HAS_CFB32
582 struct display_switch fbcon_XGI32
= {
583 setup
: fbcon_cfb32_setup
,
584 bmove
: fbcon_XGI_bmove
,
585 clear
: fbcon_XGI_clear32
,
586 putc
: fbcon_cfb32_putc
,
587 putcs
: fbcon_cfb32_putcs
,
588 revc
: fbcon_XGI_revc
,
589 clear_margins
: fbcon_cfb32_clear_margins
,
590 fontwidthmask
: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
594 #endif /* KERNEL VERSION */