forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 0
/
matroxfb_accel.c
501 lines (445 loc) · 13.9 KB
/
matroxfb_accel.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
/*
*
* Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400
*
* (c) 1998-2002 Petr Vandrovec <[email protected]>
*
* Version: 1.65 2002/08/14
*
* MTRR stuff: 1998 Tom Rini <[email protected]>
*
* Contributors: "menion?" <[email protected]>
* Betatesting, fixes, ideas
*
* "Kurt Garloff" <[email protected]>
* Betatesting, fixes, ideas, videomodes, videomodes timmings
*
* "Tom Rini" <[email protected]>
* MTRR stuff, PPC cleanups, betatesting, fixes, ideas
*
* "Bibek Sahu" <[email protected]>
* Access device through readb|w|l and write b|w|l
* Extensive debugging stuff
*
* "Daniel Haun" <[email protected]>
* Testing, hardware cursor fixes
*
* "Scott Wood" <[email protected]>
* Fixes
*
* "Gerd Knorr" <[email protected]>
* Betatesting
*
* "Kelly French" <[email protected]>
* "Fernando Herrera" <[email protected]>
* Betatesting, bug reporting
*
* "Pablo Bianucci" <[email protected]>
* Fixes, ideas, betatesting
*
* "Inaky Perez Gonzalez" <[email protected]>
* Fixes, enhandcements, ideas, betatesting
*
* "Ryuichi Oikawa" <[email protected]>
* PPC betatesting, PPC support, backward compatibility
*
* "Paul Womar" <[email protected]>
* "Owen Waller" <[email protected]>
* PPC betatesting
*
* "Thomas Pornin" <[email protected]>
* Alpha betatesting
*
* "Pieter van Leuven" <[email protected]>
* "Ulf Jaenicke-Roessler" <[email protected]>
* G100 testing
*
* "H. Peter Arvin" <[email protected]>
* Ideas
*
* "Cort Dougan" <[email protected]>
* CHRP fixes and PReP cleanup
*
* "Mark Vojkovich" <[email protected]>
* G400 support
*
* (following author is not in any relation with this code, but his code
* is included in this driver)
*
* Based on framebuffer driver for VBE 2.0 compliant graphic boards
* (c) 1998 Gerd Knorr <[email protected]>
*
* (following author is not in any relation with this code, but his ideas
* were used when writing this driver)
*
* FreeVBE/AF (Matrox), "Shawn Hargreaves" <[email protected]>
*
*/
#include "matroxfb_accel.h"
#include "matroxfb_DAC1064.h"
#include "matroxfb_Ti3026.h"
#include "matroxfb_misc.h"
#define curr_ydstorg(x) ((x)->curr.ydstorg.pixels)
#define mga_ydstlen(y,l) mga_outl(M_YDSTLEN | M_EXEC, ((y) << 16) | (l))
static inline void matrox_cfb4_pal(u_int32_t* pal) {
unsigned int i;
for (i = 0; i < 16; i++) {
pal[i] = i * 0x11111111U;
}
}
static inline void matrox_cfb8_pal(u_int32_t* pal) {
unsigned int i;
for (i = 0; i < 16; i++) {
pal[i] = i * 0x01010101U;
}
}
static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area);
static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect);
static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image);
static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect);
static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area);
void matrox_cfbX_init(struct matrox_fb_info *minfo)
{
u_int32_t maccess;
u_int32_t mpitch;
u_int32_t mopmode;
int accel;
DBG(__func__)
mpitch = minfo->fbcon.var.xres_virtual;
minfo->fbops.fb_copyarea = cfb_copyarea;
minfo->fbops.fb_fillrect = cfb_fillrect;
minfo->fbops.fb_imageblit = cfb_imageblit;
minfo->fbops.fb_cursor = NULL;
accel = (minfo->fbcon.var.accel_flags & FB_ACCELF_TEXT) == FB_ACCELF_TEXT;
switch (minfo->fbcon.var.bits_per_pixel) {
case 4: maccess = 0x00000000; /* accelerate as 8bpp video */
mpitch = (mpitch >> 1) | 0x8000; /* disable linearization */
mopmode = M_OPMODE_4BPP;
matrox_cfb4_pal(minfo->cmap);
if (accel && !(mpitch & 1)) {
minfo->fbops.fb_copyarea = matroxfb_cfb4_copyarea;
minfo->fbops.fb_fillrect = matroxfb_cfb4_fillrect;
}
break;
case 8: maccess = 0x00000000;
mopmode = M_OPMODE_8BPP;
matrox_cfb8_pal(minfo->cmap);
if (accel) {
minfo->fbops.fb_copyarea = matroxfb_copyarea;
minfo->fbops.fb_fillrect = matroxfb_fillrect;
minfo->fbops.fb_imageblit = matroxfb_imageblit;
}
break;
case 16: if (minfo->fbcon.var.green.length == 5)
maccess = 0xC0000001;
else
maccess = 0x40000001;
mopmode = M_OPMODE_16BPP;
if (accel) {
minfo->fbops.fb_copyarea = matroxfb_copyarea;
minfo->fbops.fb_fillrect = matroxfb_fillrect;
minfo->fbops.fb_imageblit = matroxfb_imageblit;
}
break;
case 24: maccess = 0x00000003;
mopmode = M_OPMODE_24BPP;
if (accel) {
minfo->fbops.fb_copyarea = matroxfb_copyarea;
minfo->fbops.fb_fillrect = matroxfb_fillrect;
minfo->fbops.fb_imageblit = matroxfb_imageblit;
}
break;
case 32: maccess = 0x00000002;
mopmode = M_OPMODE_32BPP;
if (accel) {
minfo->fbops.fb_copyarea = matroxfb_copyarea;
minfo->fbops.fb_fillrect = matroxfb_fillrect;
minfo->fbops.fb_imageblit = matroxfb_imageblit;
}
break;
default: maccess = 0x00000000;
mopmode = 0x00000000;
break; /* turn off acceleration!!! */
}
mga_fifo(8);
mga_outl(M_PITCH, mpitch);
mga_outl(M_YDSTORG, curr_ydstorg(minfo));
if (minfo->capable.plnwt)
mga_outl(M_PLNWT, -1);
if (minfo->capable.srcorg) {
mga_outl(M_SRCORG, 0);
mga_outl(M_DSTORG, 0);
}
mga_outl(M_OPMODE, mopmode);
mga_outl(M_CXBNDRY, 0xFFFF0000);
mga_outl(M_YTOP, 0);
mga_outl(M_YBOT, 0x01FFFFFF);
mga_outl(M_MACCESS, maccess);
minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO;
if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC;
minfo->accel.m_opmode = mopmode;
}
EXPORT_SYMBOL(matrox_cfbX_init);
static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy,
int sx, int dy, int dx, int height, int width)
{
int start, end;
CRITFLAGS
DBG(__func__)
CRITBEGIN
if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
mga_fifo(2);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_AR5, vxres);
width--;
start = sy*vxres+sx+curr_ydstorg(minfo);
end = start+width;
} else {
mga_fifo(3);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_SGN, 5);
mga_outl(M_AR5, -vxres);
width--;
end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo);
start = end+width;
dy += height-1;
}
mga_fifo(4);
mga_outl(M_AR0, end);
mga_outl(M_AR3, start);
mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
mga_ydstlen(dy, height);
WaitTillIdle();
CRITEND
}
static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres,
int sy, int sx, int dy, int dx, int height,
int width)
{
int start, end;
CRITFLAGS
DBG(__func__)
CRITBEGIN
if ((dy < sy) || ((dy == sy) && (dx <= sx))) {
mga_fifo(2);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO |
M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_AR5, vxres);
width--;
start = sy*vxres+sx+curr_ydstorg(minfo);
end = start+width;
} else {
mga_fifo(3);
mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE);
mga_outl(M_SGN, 5);
mga_outl(M_AR5, -vxres);
width--;
end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo);
start = end+width;
dy += height-1;
}
mga_fifo(5);
mga_outl(M_AR0, end);
mga_outl(M_AR3, start);
mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx);
mga_outl(M_YDST, dy*vxres >> 5);
mga_outl(M_LEN | M_EXEC, height);
WaitTillIdle();
CRITEND
}
static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area) {
struct matrox_fb_info *minfo = info2minfo(info);
if ((area->sx | area->dx | area->width) & 1)
cfb_copyarea(info, area);
else
matrox_accel_bmove_lin(minfo, minfo->fbcon.var.xres_virtual >> 1, area->sy, area->sx >> 1, area->dy, area->dx >> 1, area->height, area->width >> 1);
}
static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area) {
struct matrox_fb_info *minfo = info2minfo(info);
matrox_accel_bmove(minfo, minfo->fbcon.var.xres_virtual, area->sy, area->sx, area->dy, area->dx, area->height, area->width);
}
static void matroxfb_accel_clear(struct matrox_fb_info *minfo, u_int32_t color,
int sy, int sx, int height, int width)
{
CRITFLAGS
DBG(__func__)
CRITBEGIN
mga_fifo(5);
mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE);
mga_outl(M_FCOL, color);
mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
mga_ydstlen(sy, height);
WaitTillIdle();
CRITEND
}
static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect) {
struct matrox_fb_info *minfo = info2minfo(info);
switch (rect->rop) {
case ROP_COPY:
matroxfb_accel_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width);
break;
}
}
static void matroxfb_cfb4_clear(struct matrox_fb_info *minfo, u_int32_t bgx,
int sy, int sx, int height, int width)
{
int whattodo;
CRITFLAGS
DBG(__func__)
CRITBEGIN
whattodo = 0;
if (sx & 1) {
sx ++;
if (!width) return;
width --;
whattodo = 1;
}
if (width & 1) {
whattodo |= 2;
}
width >>= 1;
sx >>= 1;
if (width) {
mga_fifo(5);
mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2);
mga_outl(M_FCOL, bgx);
mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx);
mga_outl(M_YDST, sy * minfo->fbcon.var.xres_virtual >> 6);
mga_outl(M_LEN | M_EXEC, height);
WaitTillIdle();
}
if (whattodo) {
u_int32_t step = minfo->fbcon.var.xres_virtual >> 1;
vaddr_t vbase = minfo->video.vbase;
if (whattodo & 1) {
unsigned int uaddr = sy * step + sx - 1;
u_int32_t loop;
u_int8_t bgx2 = bgx & 0xF0;
for (loop = height; loop > 0; loop --) {
mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0x0F) | bgx2);
uaddr += step;
}
}
if (whattodo & 2) {
unsigned int uaddr = sy * step + sx + width;
u_int32_t loop;
u_int8_t bgx2 = bgx & 0x0F;
for (loop = height; loop > 0; loop --) {
mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0xF0) | bgx2);
uaddr += step;
}
}
}
CRITEND
}
static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect) {
struct matrox_fb_info *minfo = info2minfo(info);
switch (rect->rop) {
case ROP_COPY:
matroxfb_cfb4_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width);
break;
}
}
static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx,
u_int32_t bgx, const u_int8_t *chardata,
int width, int height, int yy, int xx)
{
u_int32_t step;
u_int32_t ydstlen;
u_int32_t xlen;
u_int32_t ar0;
u_int32_t charcell;
u_int32_t fxbndry;
vaddr_t mmio;
int easy;
CRITFLAGS
DBG_HEAVY(__func__);
step = (width + 7) >> 3;
charcell = height * step;
xlen = (charcell + 3) & ~3;
ydstlen = (yy << 16) | height;
if (width == step << 3) {
ar0 = height * width - 1;
easy = 1;
} else {
ar0 = width - 1;
easy = 0;
}
CRITBEGIN
mga_fifo(3);
if (easy)
mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE);
else
mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_REPLACE);
mga_outl(M_FCOL, fgx);
mga_outl(M_BCOL, bgx);
fxbndry = ((xx + width - 1) << 16) | xx;
mmio = minfo->mmio.vbase;
mga_fifo(6);
mga_writel(mmio, M_FXBNDRY, fxbndry);
mga_writel(mmio, M_AR0, ar0);
mga_writel(mmio, M_AR3, 0);
if (easy) {
mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen);
mga_memcpy_toio(mmio, chardata, xlen);
} else {
mga_writel(mmio, M_AR5, 0);
mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen);
if ((step & 3) == 0) {
/* Great. Source has 32bit aligned lines, so we can feed them
directly to the accelerator. */
mga_memcpy_toio(mmio, chardata, charcell);
} else if (step == 1) {
/* Special case for 1..8bit widths */
while (height--) {
#if defined(__BIG_ENDIAN)
fb_writel((*chardata) << 24, mmio.vaddr);
#else
fb_writel(*chardata, mmio.vaddr);
#endif
chardata++;
}
} else if (step == 2) {
/* Special case for 9..15bit widths */
while (height--) {
#if defined(__BIG_ENDIAN)
fb_writel((*(u_int16_t*)chardata) << 16, mmio.vaddr);
#else
fb_writel(*(u_int16_t*)chardata, mmio.vaddr);
#endif
chardata += 2;
}
} else {
/* Tell... well, why bother... */
while (height--) {
size_t i;
for (i = 0; i < step; i += 4) {
/* Hope that there are at least three readable bytes beyond the end of bitmap */
fb_writel(get_unaligned((u_int32_t*)(chardata + i)),mmio.vaddr);
}
chardata += step;
}
}
}
WaitTillIdle();
CRITEND
}
static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image) {
struct matrox_fb_info *minfo = info2minfo(info);
DBG_HEAVY(__func__);
if (image->depth == 1) {
u_int32_t fgx, bgx;
fgx = ((u_int32_t*)info->pseudo_palette)[image->fg_color];
bgx = ((u_int32_t*)info->pseudo_palette)[image->bg_color];
matroxfb_1bpp_imageblit(minfo, fgx, bgx, image->data, image->width, image->height, image->dy, image->dx);
} else {
/* Danger! image->depth is useless: logo painting code always
passes framebuffer color depth here, although logo data are
always 8bpp and info->pseudo_palette is changed to contain
logo palette to be used (but only for true/direct-color... sic...).
So do it completely in software... */
cfb_imageblit(info, image);
}
}
MODULE_LICENSE("GPL");