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Comment out the correct #endif directive.
[mplayer/greg.git] / drivers / mga_vid.c
blob36d4c7fa3129d59ca6cbc1af3a2a49d0cf86c691
1 //#define CRTC2
2
3 // YUY2 support (see config.format) added by A'rpi/ESP-team
4 // double buffering added by A'rpi/ESP-team
5 // brightness/contrast introduced by eyck
6 // multiple card support by Attila Kinali <attila@kinali.ch>
7
8 // Set this value, if autodetection fails! (video ram size in megabytes)
9 // #define MGA_MEMORY_SIZE 16
10
11 //#define MGA_ALLOW_IRQ
12
13 #define MGA_VSYNC_POS 2
14
15 /*
16 *
17 * mga_vid.c
18 *
19 * Copyright (C) 1999 Aaron Holtzman
20 *
21 * Module skeleton based on gutted agpgart module by Jeff Hartmann
22 * <slicer@ionet.net>
23 *
24 * Matrox MGA G200/G400 YUV Video Interface module Version 0.1.0
25 *
26 * BES == Back End Scaler
27 *
28 * This software has been released under the terms of the GNU Public
29 * license. See http://www.gnu.org/copyleft/gpl.html for details.
30 */
31
32 //It's entirely possible this major conflicts with something else
33 //use the 'major' parameter to override the default major number (178)
34 /* mknod /dev/mga_vid c 178 0 */
35
36 #include <linux/config.h>
37 #include <linux/version.h>
38 #include <linux/module.h>
39 #include <linux/types.h>
40 #include <linux/kernel.h>
41 #include <linux/sched.h>
42 #include <linux/mm.h>
43 #include <linux/string.h>
44 #include <linux/errno.h>
45
46 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10)
47 #include <linux/malloc.h>
48 #else
49 #include <linux/slab.h>
50 #endif
51
52 #include <linux/pci.h>
53 #include <linux/ioport.h>
54 #include <linux/init.h>
55
56 #include "mga_vid.h"
57
58 #ifdef CONFIG_MTRR
59 #include <asm/mtrr.h>
60 #endif
61
62 #ifdef CONFIG_DEVFS_FS
63 #include <linux/devfs_fs_kernel.h>
64 #endif
65
66 #include <asm/uaccess.h>
67 #include <asm/system.h>
68 #include <asm/io.h>
69
70 #define TRUE 1
71 #define FALSE 0
72
73 #define DEFAULT_MGA_VID_MAJOR 178
74
75 #ifndef PCI_DEVICE_ID_MATROX_G200_PCI
76 #define PCI_DEVICE_ID_MATROX_G200_PCI 0x0520
77 #endif
78
79 #ifndef PCI_DEVICE_ID_MATROX_G200_AGP
80 #define PCI_DEVICE_ID_MATROX_G200_AGP 0x0521
81 #endif
82
83 #ifndef PCI_DEVICE_ID_MATROX_G400
84 #define PCI_DEVICE_ID_MATROX_G400 0x0525
85 #endif
86
87 #ifndef PCI_DEVICE_ID_MATROX_G550
88 #define PCI_DEVICE_ID_MATROX_G550 0x2527
89 #endif
90
91 #ifndef PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB
92 #define PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB 0x2159
93 #endif
94
95 #ifndef PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM
96 #define PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM 0x19d8
97 #endif
98
99 #ifndef PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM
100 #define PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM 0x0328
101 #endif
102
103 MODULE_AUTHOR("Aaron Holtzman <aholtzma@engr.uvic.ca>");
104 #ifdef MODULE_LICENSE
105 MODULE_LICENSE("GPL");
106 #endif
107
108 #define PARAM_BRIGHTNESS "brightness="
109 #define PARAM_CONTRAST "contrast="
110 #define PARAM_BLACKIE "blackie="
111
112 // set PARAM_BUFF_SIZE to just below 4k because some kernel versions
113 // store additional information in the memory page which leads to
114 // the allocation of an additional page if exactly 4k is used
115 #define PARAM_BUFF_SIZE 4000
116
117 #ifndef min
118 #define min(x,y) (((x)<(y))?(x):(y))
119 #endif
120
121 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0)
122 #include <linux/ctype.h>
123
124 static unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
125 {
126 unsigned long result = 0,value;
127
128 if (!base) {
129 base = 10;
130 if (*cp == '0') {
131 base = 8;
132 cp++;
133 if ((*cp == 'x') && isxdigit(cp[1])) {
134 cp++;
135 base = 16;
136 }
137 }
138 }
139 while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
140 ? toupper(*cp) : *cp)-'A'+10) < base) {
141 result = result*base + value;
142 cp++;
143 }
144 if (endp)
145 *endp = (char *)cp;
146 return result;
147 }
148
149 static long simple_strtol(const char *cp,char **endp,unsigned int base)
150 {
151 if(*cp=='-')
152 return -simple_strtoul(cp+1,endp,base);
153 return simple_strtoul(cp,endp,base);
154 }
155 #endif
156
157
158 typedef struct bes_registers_s
159 {
160 //BES Control
161 uint32_t besctl;
162 //BES Global control
163 uint32_t besglobctl;
164 //Luma control (brightness and contrast)
165 uint32_t beslumactl;
166 //Line pitch
167 uint32_t bespitch;
168
169 //Buffer A-1 Chroma 3 plane org
170 uint32_t besa1c3org;
171 //Buffer A-1 Chroma org
172 uint32_t besa1corg;
173 //Buffer A-1 Luma org
174 uint32_t besa1org;
175
176 //Buffer A-2 Chroma 3 plane org
177 uint32_t besa2c3org;
178 //Buffer A-2 Chroma org
179 uint32_t besa2corg;
180 //Buffer A-2 Luma org
181 uint32_t besa2org;
182
183 //Buffer B-1 Chroma 3 plane org
184 uint32_t besb1c3org;
185 //Buffer B-1 Chroma org
186 uint32_t besb1corg;
187 //Buffer B-1 Luma org
188 uint32_t besb1org;
189
190 //Buffer B-2 Chroma 3 plane org
191 uint32_t besb2c3org;
192 //Buffer B-2 Chroma org
193 uint32_t besb2corg;
194 //Buffer B-2 Luma org
195 uint32_t besb2org;
196
197 //BES Horizontal coord
198 uint32_t beshcoord;
199 //BES Horizontal inverse scaling [5.14]
200 uint32_t beshiscal;
201 //BES Horizontal source start [10.14] (for scaling)
202 uint32_t beshsrcst;
203 //BES Horizontal source ending [10.14] (for scaling)
204 uint32_t beshsrcend;
205 //BES Horizontal source last
206 uint32_t beshsrclst;
207
208
209 //BES Vertical coord
210 uint32_t besvcoord;
211 //BES Vertical inverse scaling [5.14]
212 uint32_t besviscal;
213 //BES Field 1 vertical source last position
214 uint32_t besv1srclst;
215 //BES Field 1 weight start
216 uint32_t besv1wght;
217 //BES Field 2 vertical source last position
218 uint32_t besv2srclst;
219 //BES Field 2 weight start
220 uint32_t besv2wght;
221
222
223 //configurable stuff
224 int blackie;
225
226 } bes_registers_t;
227
228 #ifdef CRTC2
229 typedef struct crtc2_registers_s
230 {
231 uint32_t c2ctl;
232 uint32_t c2datactl;
233 uint32_t c2misc;
234 uint32_t c2hparam;
235 uint32_t c2hsync;
236 uint32_t c2offset;
237 uint32_t c2pl2startadd0;
238 uint32_t c2pl2startadd1;
239 uint32_t c2pl3startadd0;
240 uint32_t c2pl3startadd1;
241 uint32_t c2preload;
242 uint32_t c2spicstartadd0;
243 uint32_t c2spicstartadd1;
244 uint32_t c2startadd0;
245 uint32_t c2startadd1;
246 uint32_t c2subpiclut;
247 uint32_t c2vcount;
248 uint32_t c2vparam;
249 uint32_t c2vsync;
250 } crtc2_registers_t;
251 #endif
252
253
254
255
256
257 //All register offsets are converted to word aligned offsets (32 bit)
258 //because we want all our register accesses to be 32 bits
259 #define VCOUNT 0x1e20
260
261 #define PALWTADD 0x3c00 // Index register for X_DATAREG port
262 #define X_DATAREG 0x3c0a
263
264 #define XMULCTRL 0x19
265 #define BPP_8 0x00
266 #define BPP_15 0x01
267 #define BPP_16 0x02
268 #define BPP_24 0x03
269 #define BPP_32_DIR 0x04
270 #define BPP_32_PAL 0x07
271
272 #define XCOLMSK 0x40
273 #define X_COLKEY 0x42
274 #define XKEYOPMODE 0x51
275 #define XCOLMSK0RED 0x52
276 #define XCOLMSK0GREEN 0x53
277 #define XCOLMSK0BLUE 0x54
278 #define XCOLKEY0RED 0x55
279 #define XCOLKEY0GREEN 0x56
280 #define XCOLKEY0BLUE 0x57
281
282 #ifdef CRTC2
283
284 /*CRTC2 registers*/
285 #define XMISCCTRL 0x1e
286 #define C2CTL 0x3c10
287 #define C2DATACTL 0x3c4c
288 #define C2MISC 0x3c44
289 #define C2HPARAM 0x3c14
290 #define C2HSYNC 0x3c18
291 #define C2OFFSET 0x3c40
292 #define C2PL2STARTADD0 0x3c30 // like BESA1CORG
293 #define C2PL2STARTADD1 0x3c34 // like BESA2CORG
294 #define C2PL3STARTADD0 0x3c38 // like BESA1C3ORG
295 #define C2PL3STARTADD1 0x3c3c // like BESA2C3ORG
296 #define C2PRELOAD 0x3c24
297 #define C2SPICSTARTADD0 0x3c54
298 #define C2SPICSTARTADD1 0x3c58
299 #define C2STARTADD0 0x3c28 // like BESA1ORG
300 #define C2STARTADD1 0x3c2c // like BESA2ORG
301 #define C2SUBPICLUT 0x3c50
302 #define C2VCOUNT 0x3c48
303 #define C2VPARAM 0x3c1c
304 #define C2VSYNC 0x3c20
305
306 #endif
307
308 // Backend Scaler registers
309 #define BESCTL 0x3d20
310 #define BESGLOBCTL 0x3dc0
311 #define BESLUMACTL 0x3d40
312 #define BESPITCH 0x3d24
313
314 #define BESA1C3ORG 0x3d60
315 #define BESA1CORG 0x3d10
316 #define BESA1ORG 0x3d00
317
318 #define BESA2C3ORG 0x3d64
319 #define BESA2CORG 0x3d14
320 #define BESA2ORG 0x3d04
321
322 #define BESB1C3ORG 0x3d68
323 #define BESB1CORG 0x3d18
324 #define BESB1ORG 0x3d08
325
326 #define BESB2C3ORG 0x3d6C
327 #define BESB2CORG 0x3d1C
328 #define BESB2ORG 0x3d0C
329
330 #define BESHCOORD 0x3d28
331 #define BESHISCAL 0x3d30
332 #define BESHSRCEND 0x3d3C
333 #define BESHSRCLST 0x3d50
334 #define BESHSRCST 0x3d38
335 #define BESV1WGHT 0x3d48
336 #define BESV2WGHT 0x3d4c
337 #define BESV1SRCLST 0x3d54
338 #define BESV2SRCLST 0x3d58
339 #define BESVISCAL 0x3d34
340 #define BESVCOORD 0x3d2c
341 #define BESSTATUS 0x3dc4
342
343 #define CRTCX 0x1fd4
344 #define CRTCD 0x1fd5
345 #define IEN 0x1e1c
346 #define ICLEAR 0x1e18
347 #define STATUS 0x1e14
348
349
350 // global devfs handle for /dev/mga_vid
351 #ifdef CONFIG_DEVFS_FS
352 static devfs_handle_t dev_handle = NULL;
353 #endif
354
355 // card local config
356 typedef struct mga_card_s {
357
358 // local devfs handle for /dev/mga_vidX
359 #ifdef CONFIG_DEVFS_FS
360 devfs_handle_t dev_handle;
361 #endif
362
363 uint8_t *param_buff; // buffer for read()
364 uint32_t param_buff_size;
365 uint32_t param_buff_len;
366 bes_registers_t regs;
367 #ifdef CRTC2
368 crtc2_registers_t cregs;
369 #endif
370 uint32_t vid_in_use;
371 uint32_t is_g400;
372 uint32_t vid_src_ready;
373 uint32_t vid_overlay_on;
374
375 uint8_t *mmio_base;
376 uint32_t mem_base;
377 int src_base; // YUV buffer position in video memory
378 uint32_t ram_size; // how much megabytes videoram we have
379 uint32_t top_reserved; // reserved space for console font (matroxfb + fastfont)
380
381 int brightness; // initial brightness
382 int contrast; // initial contrast
383
384 struct pci_dev *pci_dev;
385
386 mga_vid_config_t config;
387 int configured; // set to 1 when the card is configured over ioctl
388
389 int colkey_saved;
390 int colkey_on;
391 unsigned char colkey_color[4];
392 unsigned char colkey_mask[4];
393
394 int irq; // = -1
395 int next_frame;
396 } mga_card_t;
397
398 #define MGA_MAX_CARDS 16
399 // this is used as init value for the parameter arrays
400 // it should have exactly MGA_MAX_CARDS elements
401 #define MGA_MAX_CARDS_INIT_ARRAY {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
402 static unsigned int mga_cards_num=0;
403 static mga_card_t * mga_cards[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
404
405 // module parameters
406 static int major = DEFAULT_MGA_VID_MAJOR;
407 static int mga_ram_size[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
408 static int mga_brightness[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
409 static int mga_contrast[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
410 static int mga_top_reserved[MGA_MAX_CARDS] = MGA_MAX_CARDS_INIT_ARRAY;
411
412 MODULE_PARM(mga_ram_size, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
413 MODULE_PARM(mga_top_reserved, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
414 MODULE_PARM(mga_brightness, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
415 MODULE_PARM(mga_contrast, "1-" __MODULE_STRING(MGA_MAX_CARDS) "i");
416 MODULE_PARM(major, "i");
417
418 #ifdef CRTC2
419 static void crtc2_frame_sel(mga_card_t * card, int frame)
420 {
421 switch(frame) {
422 case 0:
423 card->cregs.c2pl2startadd0=card->regs.besa1corg;
424 card->cregs.c2pl3startadd0=card->regs.besa1c3org;
425 card->cregs.c2startadd0=card->regs.besa1org;
426 break;
427 case 1:
428 card->cregs.c2pl2startadd0=card->regs.besa2corg;
429 card->cregs.c2pl3startadd0=card->regs.besa2c3org;
430 card->cregs.c2startadd0=card->regs.besa2org;
431 break;
432 case 2:
433 card->cregs.c2pl2startadd0=card->regs.besb1corg;
434 card->cregs.c2pl3startadd0=card->regs.besb1c3org;
435 card->cregs.c2startadd0=card->regs.besb1org;
436 break;
437 case 3:
438 card->cregs.c2pl2startadd0=card->regs.besb2corg;
439 card->cregs.c2pl3startadd0=card->regs.besb2c3org;
440 card->cregs.c2startadd0=card->regs.besb2org;
441 break;
442 }
443 writel(card->cregs.c2startadd0, card->mmio_base + C2STARTADD0);
444 writel(card->cregs.c2pl2startadd0, card->mmio_base + C2PL2STARTADD0);
445 writel(card->cregs.c2pl3startadd0, card->mmio_base + C2PL3STARTADD0);
446 }
447 #endif
448
449 static void mga_vid_frame_sel(mga_card_t * card, int frame)
450 {
451 if ( card->irq != -1 ) {
452 card->next_frame=frame;
453 } else {
454
455 //we don't need the vcount protection as we're only hitting
456 //one register (and it doesn't seem to be double buffered)
457 card->regs.besctl = (card->regs.besctl & ~0x07000000) + (frame << 25);
458 writel( card->regs.besctl, card->mmio_base + BESCTL );
459
460 // writel( card->regs.besglobctl + ((readl(card->mmio_base + VCOUNT)+2)<<16),
461 writel( card->regs.besglobctl + (MGA_VSYNC_POS<<16),
462 card->mmio_base + BESGLOBCTL);
463 #ifdef CRTC2
464 crtc2_frame_sel(card, frame);
465 #endif
466
467 }
468 }
469
470
471 static void mga_vid_write_regs(mga_card_t * card, int restore)
472 {
473 //Make sure internal registers don't get updated until we're done
474 writel( (readl(card->mmio_base + VCOUNT)-1)<<16,
475 card->mmio_base + BESGLOBCTL);
476
477 // color or coordinate keying
478
479 if(restore && card->colkey_saved){
480 // restore it
481 card->colkey_saved=0;
482
483 #ifdef MP_DEBUG
484 printk("mga_vid: Restoring colorkey (ON: %d %02X:%02X:%02X)\n",
485 card->colkey_on,card->colkey_color[0],card->colkey_color[1],card->colkey_color[2]);
486 #endif
487
488 // Set color key registers:
489 writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
490 writeb( card->colkey_on, card->mmio_base + X_DATAREG);
491
492 writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
493 writeb( card->colkey_color[0], card->mmio_base + X_DATAREG);
494 writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
495 writeb( card->colkey_color[1], card->mmio_base + X_DATAREG);
496 writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
497 writeb( card->colkey_color[2], card->mmio_base + X_DATAREG);
498 writeb( X_COLKEY, card->mmio_base + PALWTADD);
499 writeb( card->colkey_color[3], card->mmio_base + X_DATAREG);
500
501 writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
502 writeb( card->colkey_mask[0], card->mmio_base + X_DATAREG);
503 writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
504 writeb( card->colkey_mask[1], card->mmio_base + X_DATAREG);
505 writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
506 writeb( card->colkey_mask[2], card->mmio_base + X_DATAREG);
507 writeb( XCOLMSK, card->mmio_base + PALWTADD);
508 writeb( card->colkey_mask[3], card->mmio_base + X_DATAREG);
509
510 } else if(!card->colkey_saved){
511 // save it
512 card->colkey_saved=1;
513 // Get color key registers:
514 writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
515 card->colkey_on=(unsigned char)readb(card->mmio_base + X_DATAREG) & 1;
516
517 writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
518 card->colkey_color[0]=(unsigned char)readb(card->mmio_base + X_DATAREG);
519 writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
520 card->colkey_color[1]=(unsigned char)readb(card->mmio_base + X_DATAREG);
521 writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
522 card->colkey_color[2]=(unsigned char)readb(card->mmio_base + X_DATAREG);
523 writeb( X_COLKEY, card->mmio_base + PALWTADD);
524 card->colkey_color[3]=(unsigned char)readb(card->mmio_base + X_DATAREG);
525
526 writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
527 card->colkey_mask[0]=(unsigned char)readb(card->mmio_base + X_DATAREG);
528 writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
529 card->colkey_mask[1]=(unsigned char)readb(card->mmio_base + X_DATAREG);
530 writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
531 card->colkey_mask[2]=(unsigned char)readb(card->mmio_base + X_DATAREG);
532 writeb( XCOLMSK, card->mmio_base + PALWTADD);
533 card->colkey_mask[3]=(unsigned char)readb(card->mmio_base + X_DATAREG);
534
535 #ifdef MP_DEBUG
536 printk("mga_vid: Saved colorkey (ON: %d %02X:%02X:%02X)\n",
537 card->colkey_on, card->colkey_color[0], card->colkey_color[1], card->colkey_color[2]);
538 #endif
539
540 }
541
542 if(!restore){
543 writeb( XKEYOPMODE, card->mmio_base + PALWTADD);
544 writeb( card->config.colkey_on, card->mmio_base + X_DATAREG);
545 if ( card->config.colkey_on )
546 {
547 uint32_t r=0, g=0, b=0;
548
549 writeb( XMULCTRL, card->mmio_base + PALWTADD);
550 switch (readb (card->mmio_base + X_DATAREG))
551 {
552 case BPP_8:
553 /* Need to look up the color index, just using color 0 for now. */
554 break;
555
556 case BPP_15:
557 r = card->config.colkey_red >> 3;
558 g = card->config.colkey_green >> 3;
559 b = card->config.colkey_blue >> 3;
560 break;
561
562 case BPP_16:
563 r = card->config.colkey_red >> 3;
564 g = card->config.colkey_green >> 2;
565 b = card->config.colkey_blue >> 3;
566 break;
567
568 case BPP_24:
569 case BPP_32_DIR:
570 case BPP_32_PAL:
571 r = card->config.colkey_red;
572 g = card->config.colkey_green;
573 b = card->config.colkey_blue;
574 break;
575 }
576
577 // Disable color keying on alpha channel
578 writeb( XCOLMSK, card->mmio_base + PALWTADD);
579 writeb( 0x00, card->mmio_base + X_DATAREG);
580 writeb( X_COLKEY, card->mmio_base + PALWTADD);
581 writeb( 0x00, card->mmio_base + X_DATAREG);
582
583
584 // Set up color key registers
585 writeb( XCOLKEY0RED, card->mmio_base + PALWTADD);
586 writeb( r, card->mmio_base + X_DATAREG);
587 writeb( XCOLKEY0GREEN, card->mmio_base + PALWTADD);
588 writeb( g, card->mmio_base + X_DATAREG);
589 writeb( XCOLKEY0BLUE, card->mmio_base + PALWTADD);
590 writeb( b, card->mmio_base + X_DATAREG);
591
592 // Set up color key mask registers
593 writeb( XCOLMSK0RED, card->mmio_base + PALWTADD);
594 writeb( 0xff, card->mmio_base + X_DATAREG);
595 writeb( XCOLMSK0GREEN, card->mmio_base + PALWTADD);
596 writeb( 0xff, card->mmio_base + X_DATAREG);
597 writeb( XCOLMSK0BLUE, card->mmio_base + PALWTADD);
598 writeb( 0xff, card->mmio_base + X_DATAREG);
599 }
600
601 }
602
603 // Backend Scaler
604 writel( card->regs.besctl, card->mmio_base + BESCTL);
605 if(card->is_g400)
606 writel( card->regs.beslumactl, card->mmio_base + BESLUMACTL);
607 writel( card->regs.bespitch, card->mmio_base + BESPITCH);
608
609 writel( card->regs.besa1org, card->mmio_base + BESA1ORG);
610 writel( card->regs.besa1corg, card->mmio_base + BESA1CORG);
611 writel( card->regs.besa2org, card->mmio_base + BESA2ORG);
612 writel( card->regs.besa2corg, card->mmio_base + BESA2CORG);
613 writel( card->regs.besb1org, card->mmio_base + BESB1ORG);
614 writel( card->regs.besb1corg, card->mmio_base + BESB1CORG);
615 writel( card->regs.besb2org, card->mmio_base + BESB2ORG);
616 writel( card->regs.besb2corg, card->mmio_base + BESB2CORG);
617 if(card->is_g400)
618 {
619 writel( card->regs.besa1c3org, card->mmio_base + BESA1C3ORG);
620 writel( card->regs.besa2c3org, card->mmio_base + BESA2C3ORG);
621 writel( card->regs.besb1c3org, card->mmio_base + BESB1C3ORG);
622 writel( card->regs.besb2c3org, card->mmio_base + BESB2C3ORG);
623 }
624
625 writel( card->regs.beshcoord, card->mmio_base + BESHCOORD);
626 writel( card->regs.beshiscal, card->mmio_base + BESHISCAL);
627 writel( card->regs.beshsrcst, card->mmio_base + BESHSRCST);
628 writel( card->regs.beshsrcend, card->mmio_base + BESHSRCEND);
629 writel( card->regs.beshsrclst, card->mmio_base + BESHSRCLST);
630
631 writel( card->regs.besvcoord, card->mmio_base + BESVCOORD);
632 writel( card->regs.besviscal, card->mmio_base + BESVISCAL);
633
634 writel( card->regs.besv1srclst, card->mmio_base + BESV1SRCLST);
635 writel( card->regs.besv1wght, card->mmio_base + BESV1WGHT);
636 writel( card->regs.besv2srclst, card->mmio_base + BESV2SRCLST);
637 writel( card->regs.besv2wght, card->mmio_base + BESV2WGHT);
638
639 //update the registers somewhere between 1 and 2 frames from now.
640 writel( card->regs.besglobctl + ((readl(card->mmio_base + VCOUNT)+2)<<16),
641 card->mmio_base + BESGLOBCTL);
642
643 #if 0
644 printk(KERN_DEBUG "mga_vid: wrote BES registers\n");
645 printk(KERN_DEBUG "mga_vid: BESCTL = 0x%08x\n",
646 readl(card->mmio_base + BESCTL));
647 printk(KERN_DEBUG "mga_vid: BESGLOBCTL = 0x%08x\n",
648 readl(card->mmio_base + BESGLOBCTL));
649 printk(KERN_DEBUG "mga_vid: BESSTATUS= 0x%08x\n",
650 readl(card->mmio_base + BESSTATUS));
651 #endif
652 #ifdef CRTC2
653 // printk("c2ctl:0x%08x c2datactl:0x%08x\n", readl(card->mmio_base + C2CTL), readl(card->mmio_base + C2DATACTL));
654 // printk("c2misc:0x%08x\n", readl(card->mmio_base + C2MISC));
655 // printk("c2ctl:0x%08x c2datactl:0x%08x\n", card->cregs.c2ctl, card->cregs.c2datactl);
656
657 // writel(card->cregs.c2ctl, card->mmio_base + C2CTL);
658
659 writel(((readl(card->mmio_base + C2CTL) & ~0x03e00000) + (card->cregs.c2ctl & 0x03e00000)), card->mmio_base + C2CTL);
660 writel(((readl(card->mmio_base + C2DATACTL) & ~0x000000ff) + (card->cregs.c2datactl & 0x000000ff)), card->mmio_base + C2DATACTL);
661 // ctrc2
662 // disable CRTC2 acording to specs
663 // writel(card->cregs.c2ctl & 0xfffffff0, card->mmio_base + C2CTL);
664 // je to treba ???
665 // writeb((readb(card->mmio_base + XMISCCTRL) & 0x19) | 0xa2, card->mmio_base + XMISCCTRL); // MAFC - mfcsel & vdoutsel
666 // writeb((readb(card->mmio_base + XMISCCTRL) & 0x19) | 0x92, card->mmio_base + XMISCCTRL);
667 // writeb((readb(card->mmio_base + XMISCCTRL) & ~0xe9) + 0xa2, card->mmio_base + XMISCCTRL);
668 // writel(card->cregs.c2datactl, card->mmio_base + C2DATACTL);
669 // writel(card->cregs.c2hparam, card->mmio_base + C2HPARAM);
670 // writel(card->cregs.c2hsync, card->mmio_base + C2HSYNC);
671 // writel(card->cregs.c2vparam, card->mmio_base + C2VPARAM);
672 // writel(card->cregs.c2vsync, card->mmio_base + C2VSYNC);
673 writel(card->cregs.c2misc, card->mmio_base + C2MISC);
674
675 #ifdef MP_DEBUG
676 printk("c2offset = %d\n",card->cregs.c2offset);
677 #endif
678
679 writel(card->cregs.c2offset, card->mmio_base + C2OFFSET);
680 writel(card->cregs.c2startadd0, card->mmio_base + C2STARTADD0);
681 // writel(card->cregs.c2startadd1, card->mmio_base + C2STARTADD1);
682 writel(card->cregs.c2pl2startadd0, card->mmio_base + C2PL2STARTADD0);
683 // writel(card->cregs.c2pl2startadd1, card->mmio_base + C2PL2STARTADD1);
684 writel(card->cregs.c2pl3startadd0, card->mmio_base + C2PL3STARTADD0);
685 // writel(card->cregs.c2pl3startadd1, card->mmio_base + C2PL3STARTADD1);
686 writel(card->cregs.c2spicstartadd0, card->mmio_base + C2SPICSTARTADD0);
687 // writel(card->cregs.c2spicstartadd1, card->mmio_base + C2SPICSTARTADD1);
688 // writel(card->cregs.c2subpiclut, card->mmio_base + C2SUBPICLUT);
689 // writel(card->cregs.c2preload, card->mmio_base + C2PRELOAD);
690 // finaly enable everything
691 // writel(card->cregs.c2ctl, card->mmio_base + C2CTL);
692 // printk("c2ctl:0x%08x c2datactl:0x%08x\n",readl(card->mmio_base + C2CTL),readl(card->mmio_base + C2DATACTL));
693 // printk("c2misc:0x%08x\n", readl(card->mmio_base + C2MISC));
694 #endif
695 }
696
697 static int mga_vid_set_config(mga_card_t * card)
698 {
699 int x, y, sw, sh, dw, dh;
700 int besleft, bestop, ifactor, ofsleft, ofstop, baseadrofs, weight, weights;
701 mga_vid_config_t *config = &card->config;
702 int frame_size = card->config.frame_size;
703
704 #ifdef CRTC2
705 #define right_margin 0
706 #define left_margin 18
707 #define hsync_len 46
708 #define lower_margin 10
709 #define vsync_len 4
710 #define upper_margin 39
711
712 unsigned int hdispend = (config->src_width + 31) & ~31;
713 unsigned int hsyncstart = hdispend + (right_margin & ~7);
714 unsigned int hsyncend = hsyncstart + (hsync_len & ~7);
715 unsigned int htotal = hsyncend + (left_margin & ~7);
716 unsigned int vdispend = config->src_height;
717 unsigned int vsyncstart = vdispend + lower_margin;
718 unsigned int vsyncend = vsyncstart + vsync_len;
719 unsigned int vtotal = vsyncend + upper_margin;
720 #endif
721 x = config->x_org;
722 y = config->y_org;
723 sw = config->src_width;
724 sh = config->src_height;
725 dw = config->dest_width;
726 dh = config->dest_height;
727
728 #ifdef MP_DEBUG
729 printk(KERN_DEBUG "mga_vid: Setting up a %dx%d+%d+%d video window (src %dx%d) format %X\n",
730 dw, dh, x, y, sw, sh, config->format);
731 #endif
732
733 if(sw<4 || sh<4 || dw<4 || dh<4){
734 printk(KERN_ERR "mga_vid: Invalid src/dest dimenstions\n");
735 return -1;
736 }
737
738 //FIXME check that window is valid and inside desktop
739
740 //Setup the BES registers for a three plane 4:2:0 video source
741
742 card->regs.besglobctl = 0;
743
744 switch(config->format){
745 case MGA_VID_FORMAT_YV12:
746 case MGA_VID_FORMAT_I420:
747 case MGA_VID_FORMAT_IYUV:
748 card->regs.besctl = 1 // BES enabled
749 + (0<<6) // even start polarity
750 + (1<<10) // x filtering enabled
751 + (1<<11) // y filtering enabled
752 + (1<<16) // chroma upsampling
753 + (1<<17) // 4:2:0 mode
754 + (1<<18); // dither enabled
755 #if 0
756 if(card->is_g400)
757 {
758 //zoom disabled, zoom filter disabled, 420 3 plane format, proc amp
759 //disabled, rgb mode disabled
760 card->regs.besglobctl = (1<<5);
761 }
762 else
763 {
764 //zoom disabled, zoom filter disabled, Cb samples in 0246, Cr
765 //in 1357, BES register update on besvcnt
766 card->regs.besglobctl = 0;
767 }
768 #endif
769 break;
770
771 case MGA_VID_FORMAT_YUY2:
772 card->regs.besctl = 1 // BES enabled
773 + (0<<6) // even start polarity
774 + (1<<10) // x filtering enabled
775 + (1<<11) // y filtering enabled
776 + (1<<16) // chroma upsampling
777 + (0<<17) // 4:2:2 mode
778 + (1<<18); // dither enabled
779
780 card->regs.besglobctl = 0; // YUY2 format selected
781 break;
782
783 case MGA_VID_FORMAT_UYVY:
784 card->regs.besctl = 1 // BES enabled
785 + (0<<6) // even start polarity
786 + (1<<10) // x filtering enabled
787 + (1<<11) // y filtering enabled
788 + (1<<16) // chroma upsampling
789 + (0<<17) // 4:2:2 mode
790 + (1<<18); // dither enabled
791
792 card->regs.besglobctl = 1<<6; // UYVY format selected
793 break;
794
795 default:
796 printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format);
797 return -1;
798 }
799
800 // setting black&white mode
801 card->regs.besctl|=(card->regs.blackie<<20);
802
803 //Enable contrast and brightness control
804 card->regs.besglobctl |= (1<<5) + (1<<7);
805
806 // brightness (-128..127) && contrast (0..255)
807 card->regs.beslumactl = (card->brightness << 16) | ((card->contrast+0x80)&0xFFFF);
808
809 //Setup destination window boundaries
810 besleft = x > 0 ? x : 0;
811 bestop = y > 0 ? y : 0;
812 card->regs.beshcoord = (besleft<<16) + (x + dw-1);
813 card->regs.besvcoord = (bestop<<16) + (y + dh-1);
814
815 //Setup source dimensions
816 card->regs.beshsrclst = (sw - 1) << 16;
817 card->regs.bespitch = (sw + 31) & ~31 ;
818
819 //Setup horizontal scaling
820 ifactor = ((sw-1)<<14)/(dw-1);
821 ofsleft = besleft - x;
822
823 card->regs.beshiscal = ifactor<<2;
824 card->regs.beshsrcst = (ofsleft*ifactor)<<2;
825 card->regs.beshsrcend = card->regs.beshsrcst + (((dw - ofsleft - 1) * ifactor) << 2);
826
827 //Setup vertical scaling
828 ifactor = ((sh-1)<<14)/(dh-1);
829 ofstop = bestop - y;
830
831 card->regs.besviscal = ifactor<<2;
832
833 baseadrofs = ( (ofstop * card->regs.besviscal) >>16) * card->regs.bespitch;
834 //frame_size = ((sw + 31) & ~31) * sh + (((sw + 31) & ~31) * sh) / 2;
835 card->regs.besa1org = (uint32_t) card->src_base + baseadrofs;
836 card->regs.besa2org = (uint32_t) card->src_base + baseadrofs + 1*frame_size;
837 card->regs.besb1org = (uint32_t) card->src_base + baseadrofs + 2*frame_size;
838 card->regs.besb2org = (uint32_t) card->src_base + baseadrofs + 3*frame_size;
839
840 if(config->format==MGA_VID_FORMAT_YV12
841 ||config->format==MGA_VID_FORMAT_IYUV
842 ||config->format==MGA_VID_FORMAT_I420
843 ){
844 // planar YUV frames:
845 if (card->is_g400)
846 baseadrofs = ( ( (ofstop * card->regs.besviscal ) / 4 ) >> 16 ) * card->regs.bespitch;
847 else
848 baseadrofs = ( ( ( ofstop * card->regs.besviscal ) / 2 ) >> 16 ) * card->regs.bespitch;
849
850 if(config->format==MGA_VID_FORMAT_YV12 || !card->is_g400){
851 card->regs.besa1corg = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh ;
852 card->regs.besa2corg = (uint32_t) card->src_base + baseadrofs + 1*frame_size + card->regs.bespitch * sh;
853 card->regs.besb1corg = (uint32_t) card->src_base + baseadrofs + 2*frame_size + card->regs.bespitch * sh;
854 card->regs.besb2corg = (uint32_t) card->src_base + baseadrofs + 3*frame_size + card->regs.bespitch * sh;
855 card->regs.besa1c3org = card->regs.besa1corg + ( (card->regs.bespitch * sh) / 4);
856 card->regs.besa2c3org = card->regs.besa2corg + ( (card->regs.bespitch * sh) / 4);
857 card->regs.besb1c3org = card->regs.besb1corg + ( (card->regs.bespitch * sh) / 4);
858 card->regs.besb2c3org = card->regs.besb2corg + ( (card->regs.bespitch * sh) / 4);
859 } else {
860 card->regs.besa1c3org = (uint32_t) card->src_base + baseadrofs + card->regs.bespitch * sh ;
861 card->regs.besa2c3org = (uint32_t) card->src_base + baseadrofs + 1*frame_size + card->regs.bespitch * sh;
862 card->regs.besb1c3org = (uint32_t) card->src_base + baseadrofs + 2*frame_size + card->regs.bespitch * sh;
863 card->regs.besb2c3org = (uint32_t) card->src_base + baseadrofs + 3*frame_size + card->regs.bespitch * sh;
864 card->regs.besa1corg = card->regs.besa1c3org + ((card->regs.bespitch * sh) / 4);
865 card->regs.besa2corg = card->regs.besa2c3org + ((card->regs.bespitch * sh) / 4);
866 card->regs.besb1corg = card->regs.besb1c3org + ((card->regs.bespitch * sh) / 4);
867 card->regs.besb2corg = card->regs.besb2c3org + ((card->regs.bespitch * sh) / 4);
868 }
869
870 }
871
872 weight = ofstop * (card->regs.besviscal >> 2);
873 weights = weight < 0 ? 1 : 0;
874 card->regs.besv2wght = card->regs.besv1wght = (weights << 16) + ((weight & 0x3FFF) << 2);
875 card->regs.besv2srclst = card->regs.besv1srclst = sh - 1 - (((ofstop * card->regs.besviscal) >> 16) & 0x03FF);
876
877 #ifdef CRTC2
878 // pridat hlavni registry - tj. casovani ...
879
880
881 switch(config->format){
882 case MGA_VID_FORMAT_YV12:
883 case MGA_VID_FORMAT_I420:
884 case MGA_VID_FORMAT_IYUV:
885 card->cregs.c2ctl = 1 // CRTC2 enabled
886 + (1<<1) // external clock
887 + (0<<2) // external clock
888 + (1<<3) // pixel clock enable - not needed ???
889 + (0<<4) // high prioryty req
890 + (1<<5) // high prioryty req
891 + (0<<6) // high prioryty req
892 + (1<<8) // high prioryty req max
893 + (0<<9) // high prioryty req max
894 + (0<<10) // high prioryty req max
895 + (0<<20) // CRTC1 to DAC
896 + (1<<21) // 420 mode
897 + (1<<22) // 420 mode
898 + (1<<23) // 420 mode
899 + (0<<24) // single chroma line for 420 mode - need to be corrected
900 + (0<<25) /*/ interlace mode - need to be corrected*/
901 + (0<<26) // field legth polariry
902 + (0<<27) // field identification polariry
903 + (1<<28) // VIDRST detection mode
904 + (0<<29) // VIDRST detection mode
905 + (1<<30) // Horizontal counter preload
906 + (1<<31) // Vertical counter preload
907 ;
908 card->cregs.c2datactl = 1 // disable dither - propably not needed, we are already in YUV mode
909 + (1<<1) // Y filter enable
910 + (1<<2) // CbCr filter enable
911 + (0<<3) // subpicture enable (disabled)
912 + (0<<4) // NTSC enable (disabled - PAL)
913 + (0<<5) // C2 static subpicture enable (disabled)
914 + (0<<6) // C2 subpicture offset division (disabled)
915 + (0<<7) // 422 subformat selection !
916 /* + (0<<8) // 15 bpp high alpha
917 + (0<<9) // 15 bpp high alpha
918 + (0<<10) // 15 bpp high alpha
919 + (0<<11) // 15 bpp high alpha
920 + (0<<12) // 15 bpp high alpha
921 + (0<<13) // 15 bpp high alpha
922 + (0<<14) // 15 bpp high alpha
923 + (0<<15) // 15 bpp high alpha
924 + (0<<16) // 15 bpp low alpha
925 + (0<<17) // 15 bpp low alpha
926 + (0<<18) // 15 bpp low alpha
927 + (0<<19) // 15 bpp low alpha
928 + (0<<20) // 15 bpp low alpha
929 + (0<<21) // 15 bpp low alpha
930 + (0<<22) // 15 bpp low alpha
931 + (0<<23) // 15 bpp low alpha
932 + (0<<24) // static subpicture key
933 + (0<<25) // static subpicture key
934 + (0<<26) // static subpicture key
935 + (0<<27) // static subpicture key
936 + (0<<28) // static subpicture key
937 */ ;
938 break;
939
940 case MGA_VID_FORMAT_YUY2:
941 card->cregs.c2ctl = 1 // CRTC2 enabled
942 + (1<<1) // external clock
943 + (0<<2) // external clock
944 + (1<<3) // pixel clock enable - not needed ???
945 + (0<<4) // high prioryty req - acc to spec
946 + (1<<5) // high prioryty req
947 + (0<<6) // high prioryty req
948 // 7 reserved
949 + (1<<8) // high prioryty req max
950 + (0<<9) // high prioryty req max
951 + (0<<10) // high prioryty req max
952 // 11-19 reserved
953 + (0<<20) // CRTC1 to DAC
954 + (1<<21) // 422 mode
955 + (0<<22) // 422 mode
956 + (1<<23) // 422 mode
957 + (0<<24) // single chroma line for 420 mode - need to be corrected
958 + (0<<25) /*/ interlace mode - need to be corrected*/
959 + (0<<26) // field legth polariry
960 + (0<<27) // field identification polariry
961 + (1<<28) // VIDRST detection mode
962 + (0<<29) // VIDRST detection mode
963 + (1<<30) // Horizontal counter preload
964 + (1<<31) // Vertical counter preload
965 ;
966 card->cregs.c2datactl = 1 // disable dither - propably not needed, we are already in YUV mode
967 + (1<<1) // Y filter enable
968 + (1<<2) // CbCr filter enable
969 + (0<<3) // subpicture enable (disabled)
970 + (0<<4) // NTSC enable (disabled - PAL)
971 + (0<<5) // C2 static subpicture enable (disabled)
972 + (0<<6) // C2 subpicture offset division (disabled)
973 + (0<<7) // 422 subformat selection !
974 /* + (0<<8) // 15 bpp high alpha
975 + (0<<9) // 15 bpp high alpha
976 + (0<<10) // 15 bpp high alpha
977 + (0<<11) // 15 bpp high alpha
978 + (0<<12) // 15 bpp high alpha
979 + (0<<13) // 15 bpp high alpha
980 + (0<<14) // 15 bpp high alpha
981 + (0<<15) // 15 bpp high alpha
982 + (0<<16) // 15 bpp low alpha
983 + (0<<17) // 15 bpp low alpha
984 + (0<<18) // 15 bpp low alpha
985 + (0<<19) // 15 bpp low alpha
986 + (0<<20) // 15 bpp low alpha
987 + (0<<21) // 15 bpp low alpha
988 + (0<<22) // 15 bpp low alpha
989 + (0<<23) // 15 bpp low alpha
990 + (0<<24) // static subpicture key
991 + (0<<25) // static subpicture key
992 + (0<<26) // static subpicture key
993 + (0<<27) // static subpicture key
994 + (0<<28) // static subpicture key
995 */ ;
996 break;
997
998 case MGA_VID_FORMAT_UYVY:
999 card->cregs.c2ctl = 1 // CRTC2 enabled
1000 + (1<<1) // external clock
1001 + (0<<2) // external clock
1002 + (1<<3) // pixel clock enable - not needed ???
1003 + (0<<4) // high prioryty req
1004 + (1<<5) // high prioryty req
1005 + (0<<6) // high prioryty req
1006 + (1<<8) // high prioryty req max
1007 + (0<<9) // high prioryty req max
1008 + (0<<10) // high prioryty req max
1009 + (0<<20) // CRTC1 to DAC
1010 + (1<<21) // 422 mode
1011 + (0<<22) // 422 mode
1012 + (1<<23) // 422 mode
1013 + (1<<24) // single chroma line for 420 mode - need to be corrected
1014 + (1<<25) /*/ interlace mode - need to be corrected*/
1015 + (0<<26) // field legth polariry
1016 + (0<<27) // field identification polariry
1017 + (1<<28) // VIDRST detection mode
1018 + (0<<29) // VIDRST detection mode
1019 + (1<<30) // Horizontal counter preload
1020 + (1<<31) // Vertical counter preload
1021 ;
1022 card->cregs.c2datactl = 0 // enable dither - propably not needed, we are already in YUV mode
1023 + (1<<1) // Y filter enable
1024 + (1<<2) // CbCr filter enable
1025 + (0<<3) // subpicture enable (disabled)
1026 + (0<<4) // NTSC enable (disabled - PAL)
1027 + (0<<5) // C2 static subpicture enable (disabled)
1028 + (0<<6) // C2 subpicture offset division (disabled)
1029 + (1<<7) // 422 subformat selection !
1030 /* + (0<<8) // 15 bpp high alpha
1031 + (0<<9) // 15 bpp high alpha
1032 + (0<<10) // 15 bpp high alpha
1033 + (0<<11) // 15 bpp high alpha
1034 + (0<<12) // 15 bpp high alpha
1035 + (0<<13) // 15 bpp high alpha
1036 + (0<<14) // 15 bpp high alpha
1037 + (0<<15) // 15 bpp high alpha
1038 + (0<<16) // 15 bpp low alpha
1039 + (0<<17) // 15 bpp low alpha
1040 + (0<<18) // 15 bpp low alpha
1041 + (0<<19) // 15 bpp low alpha
1042 + (0<<20) // 15 bpp low alpha
1043 + (0<<21) // 15 bpp low alpha
1044 + (0<<22) // 15 bpp low alpha
1045 + (0<<23) // 15 bpp low alpha
1046 + (0<<24) // static subpicture key
1047 + (0<<25) // static subpicture key
1048 + (0<<26) // static subpicture key
1049 + (0<<27) // static subpicture key
1050 + (0<<28) // static subpicture key
1051 */ ;
1052 break;
1053
1054 default:
1055 printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format);
1056 return -1;
1057 }
1058
1059 card->cregs.c2hparam = ( (hdispend - 8) << 16) | (htotal - 8);
1060 card->cregs.c2hsync = ( (hsyncend - 8) << 16) | (hsyncstart - 8);
1061
1062 card->cregs.c2misc=0 // CRTCV2 656 togg f0
1063 +(0<<1) // CRTCV2 656 togg f0
1064 +(0<<2) // CRTCV2 656 togg f0
1065 +(0<<4) // CRTCV2 656 togg f1
1066 +(0<<5) // CRTCV2 656 togg f1
1067 +(0<<6) // CRTCV2 656 togg f1
1068 +(0<<8) // Hsync active high
1069 +(0<<9) // Vsync active high
1070 // 16-27 c2vlinecomp - nevim co tam dat
1071 ;
1072 card->cregs.c2offset=(card->regs.bespitch << 1);
1073
1074 card->cregs.c2pl2startadd0=card->regs.besa1corg;
1075 // card->cregs.c2pl2startadd1=card->regs.besa2corg;
1076 card->cregs.c2pl3startadd0=card->regs.besa1c3org;
1077 // card->cregs.c2pl3startadd1=card->regs.besa2c3org;
1078
1079 card->cregs.c2preload=(vsyncstart << 16) | (hsyncstart); // from
1080
1081 card->cregs.c2spicstartadd0=0; // not used
1082 // card->cregs.c2spicstartadd1=0; // not used
1083
1084 card->cregs.c2startadd0=card->regs.besa1org;
1085 // card->cregs.c2startadd1=card->regs.besa2org;
1086
1087 card->cregs.c2subpiclut=0; //not used
1088
1089 card->cregs.c2vparam = ( (vdispend - 1) << 16) | (vtotal - 1);
1090 card->cregs.c2vsync = ( (vsyncend - 1) << 16) | (vsyncstart - 1);
1091
1092
1093 #endif
1094
1095 mga_vid_write_regs(card, 0);
1096 return 0;
1097 }
1098
1099 #ifdef MGA_ALLOW_IRQ
1100
1101 static void enable_irq(mga_card_t * card){
1102 long int cc;
1103
1104 cc = readl(card->mmio_base + IEN);
1105 // printk(KERN_ALERT "*** !!! IRQREG = %d\n", (int)(cc&0xff));
1106
1107 writeb(0x11, card->mmio_base + CRTCX);
1108
1109 writeb(0x20, card->mmio_base + CRTCD); /* clear 0, enable off */
1110 writeb(0x00, card->mmio_base + CRTCD); /* enable on */
1111 writeb(0x10, card->mmio_base + CRTCD); /* clear = 1 */
1112
1113 writel(card->regs.besglobctl , card->mmio_base + BESGLOBCTL);
1114
1115 }
1116
1117 static void disable_irq(mga_card_t * card){
1118
1119 writeb(0x11, card->mmio_base + CRTCX);
1120 writeb(0x20, card->mmio_base + CRTCD); /* clear 0, enable off */
1121
1122 }
1123
1124 static void mga_handle_irq(int irq, void *dev_id, struct pt_regs *pregs) {
1125 // static int frame=0;
1126 // static int counter=0;
1127 long int cc;
1128 mga_card_t * card = dev_id;
1129
1130 // printk(KERN_DEBUG "vcount = %d\n",readl(mga_mmio_base + VCOUNT));
1131
1132 //printk("mga_interrupt #%d\n", irq);
1133
1134 // check whether the interrupt is really for us (irq sharing)
1135 if ( irq != -1 ) {
1136 cc = readl(card->mmio_base + STATUS);
1137 if ( ! (cc & 0x10) ) return; /* vsyncpen */
1138 // debug_irqcnt++;
1139 }
1140
1141 // if ( debug_irqignore ) {
1142 // debug_irqignore = 0;
1143
1144 // frame=(frame+1)&1;
1145 card->regs.besctl = (card->regs.besctl & ~0x07000000) + (card->next_frame << 25);
1146 writel( card->regs.besctl, card->mmio_base + BESCTL );
1147
1148 #ifdef CRTC2
1149 // sem pridat vyber obrazku !!!!
1150 // i han echt kei ahnig was das obe heisse söll
1151 crtc2_frame_sel(card->next_frame);
1152 #endif
1153
1154 #if 0
1155 ++counter;
1156 if(!(counter&63)){
1157 printk("mga irq counter = %d\n",counter);
1158 }
1159 #endif
1160
1161 // } else {
1162 // debug_irqignore = 1;
1163 // }
1164
1165 if ( irq != -1 ) {
1166 writeb( 0x11, card->mmio_base + CRTCX);
1167 writeb( 0, card->mmio_base + CRTCD );
1168 writeb( 0x10, card->mmio_base + CRTCD );
1169 }
1170
1171 // writel( card->regs.besglobctl, card->mmio_base + BESGLOBCTL);
1172
1173
1174 return;
1175
1176 }
1177
1178 #endif
1179
1180 static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1181 {
1182 int frame, result;
1183 uint32_t tmp;
1184 mga_card_t * card = (mga_card_t *) file->private_data;
1185
1186 switch(cmd)
1187 {
1188 case MGA_VID_CONFIG:
1189 //FIXME remove
1190 // printk(KERN_DEBUG "mga_vid: vcount = %d\n",readl(card->mmio_base + VCOUNT));
1191 #ifdef MP_DEBUG
1192 printk(KERN_DEBUG "mga_vid: mmio_base = %p\n",card->mmio_base);
1193 printk(KERN_DEBUG "mga_vid: mem_base = %08x\n",card->mem_base);
1194 //FIXME remove
1195
1196 printk(KERN_DEBUG "mga_vid: Received configuration\n");
1197 #endif
1198
1199 if(copy_from_user(&card->config,(mga_vid_config_t*) arg,sizeof(mga_vid_config_t)))
1200 {
1201 printk(KERN_ERR "mga_vid: failed copy from userspace\n");
1202 return(-EFAULT);
1203 }
1204 if(card->config.version != MGA_VID_VERSION){
1205 printk(KERN_ERR "mga_vid: incompatible version! driver: %X requested: %X\n",MGA_VID_VERSION,card->config.version);
1206 return(-EFAULT);
1207 }
1208
1209 if(card->config.frame_size==0 || card->config.frame_size>1024*768*2){
1210 printk(KERN_ERR "mga_vid: illegal frame_size: %d\n",card->config.frame_size);
1211 return(-EFAULT);
1212 }
1213
1214 if(card->config.num_frames<1 || card->config.num_frames>4){
1215 printk(KERN_ERR "mga_vid: illegal num_frames: %d\n",card->config.num_frames);
1216 return(-EFAULT);
1217 }
1218
1219 card->src_base = (card->ram_size * 0x100000 - card->config.num_frames * card->config.frame_size - card->top_reserved);
1220 if(card->src_base<0){
1221 printk(KERN_ERR "mga_vid: not enough memory for frames!\n");
1222 return(-EFAULT);
1223 }
1224 card->src_base &= (~0xFFFF); // 64k boundary
1225 #ifdef MP_DEBUG
1226 printk(KERN_DEBUG "mga YUV buffer base: 0x%X\n", card->src_base);
1227 #endif
1228
1229 if (card->is_g400)
1230 card->config.card_type = MGA_G400;
1231 else
1232 card->config.card_type = MGA_G200;
1233
1234 card->config.ram_size = card->ram_size;
1235
1236 if (copy_to_user((mga_vid_config_t *) arg, &card->config, sizeof(mga_vid_config_t)))
1237 {
1238 printk(KERN_ERR "mga_vid: failed copy to userspace\n");
1239 return(-EFAULT);
1240 }
1241
1242 result = mga_vid_set_config(card);
1243 if(!result) card->configured=1;
1244 return result;
1245 break;
1246
1247 case MGA_VID_ON:
1248 #ifdef MP_DEBUG
1249 printk(KERN_DEBUG "mga_vid: Video ON\n");
1250 #endif
1251 card->vid_src_ready = 1;
1252 if(card->vid_overlay_on)
1253 {
1254 card->regs.besctl |= 1;
1255 mga_vid_write_regs(card, 0);
1256 }
1257 #ifdef MGA_ALLOW_IRQ
1258 if ( card->irq != -1 ) enable_irq(card);
1259 #endif
1260 card->next_frame=0;
1261 break;
1262
1263 case MGA_VID_OFF:
1264 #ifdef MP_DEBUG
1265 printk(KERN_DEBUG "mga_vid: Video OFF (ioctl)\n");
1266 #endif
1267 card->vid_src_ready = 0;
1268 #ifdef MGA_ALLOW_IRQ
1269 if ( card->irq != -1 ) disable_irq(card);
1270 #endif
1271 card->regs.besctl &= ~1;
1272 card->regs.besglobctl &= ~(1<<6); // UYVY format selected
1273 mga_vid_write_regs(card, 0);
1274 break;
1275
1276 case MGA_VID_FSEL:
1277 if(copy_from_user(&frame,(int *) arg,sizeof(int)))
1278 {
1279 printk(KERN_ERR "mga_vid: FSEL failed copy from userspace\n");
1280 return(-EFAULT);
1281 }
1282
1283 mga_vid_frame_sel(card, frame);
1284 break;
1285
1286 case MGA_VID_GET_LUMA:
1287 //tmp = card->regs.beslumactl;
1288 //tmp = (tmp&0xFFFF0000) | (((tmp&0xFFFF) - 0x80)&0xFFFF);
1289 tmp = (card->brightness << 16) | (card->contrast&0xFFFF);
1290
1291 if (copy_to_user((uint32_t *) arg, &tmp, sizeof(uint32_t)))
1292 {
1293 printk(KERN_ERR "mga_vid: failed copy %p to userspace %p\n",
1294 &tmp, (uint32_t *) arg);
1295 return(-EFAULT);
1296 }
1297 break;
1298
1299 case MGA_VID_SET_LUMA:
1300 tmp = arg;
1301 card->brightness=tmp>>16; card->contrast=tmp&0xFFFF;
1302 //card->regs.beslumactl = (tmp&0xFFFF0000) | ((tmp + 0x80)&0xFFFF);
1303 card->regs.beslumactl = (card->brightness << 16) | ((card->contrast+0x80)&0xFFFF);
1304 mga_vid_write_regs(card, 0);
1305 break;
1306
1307 default:
1308 printk(KERN_ERR "mga_vid: Invalid ioctl\n");
1309 return (-EINVAL);
1310 }
1311
1312 return 0;
1313 }
1314
1315 static void cards_init(mga_card_t * card, struct pci_dev * dev, int card_number, int is_g400);
1316
1317 // returns the number of found cards
1318 static int mga_vid_find_card(void)
1319 {
1320 struct pci_dev *dev = NULL;
1321 char *mga_dev_name;
1322 mga_card_t * card;
1323
1324 while((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_ANY_ID, dev)))
1325 {
1326 mga_dev_name = "";
1327 mga_cards_num++;
1328 if(mga_cards_num == MGA_MAX_CARDS)
1329 {
1330 printk(KERN_WARNING "mga_vid: Trying to initialize more than %d cards\n",MGA_MAX_CARDS);
1331 mga_cards_num--;
1332 break;
1333 }
1334
1335 card = kmalloc(sizeof(mga_card_t), GFP_KERNEL);
1336 if(!card)
1337 {
1338 printk(KERN_ERR "mga_vid: memory allocation failed\n");
1339 mga_cards_num--;
1340 break;
1341 }
1342
1343 mga_cards[mga_cards_num - 1] = card;
1344
1345 switch(dev->device) {
1346 case PCI_DEVICE_ID_MATROX_G550:
1347 mga_dev_name = "MGA G550";
1348 printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
1349 cards_init(card, dev, mga_cards_num - 1, 1);
1350 break;
1351 case PCI_DEVICE_ID_MATROX_G400:
1352 mga_dev_name = "MGA G400/G450";
1353 printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
1354 cards_init(card, dev, mga_cards_num - 1, 1);
1355 break;
1356 case PCI_DEVICE_ID_MATROX_G200_AGP:
1357 mga_dev_name = "MGA G200 AGP";
1358 printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
1359 cards_init(card, dev, mga_cards_num - 1, 0);
1360 break;
1361 case PCI_DEVICE_ID_MATROX_G200_PCI:
1362 mga_dev_name = "MGA G200";
1363 printk(KERN_INFO "mga_vid: Found %s at %s [%s]\n", mga_dev_name, dev->slot_name, dev->name);
1364 cards_init(card, dev, mga_cards_num - 1, 0);
1365 break;
1366 default:
1367 mga_cards_num--;
1368 printk(KERN_INFO "mga_vid: ignoring matrox device (%d) at %s [%s]\n", dev->device, dev->slot_name, dev->name);
1369 break;
1370 }
1371 }
1372
1373 if(!mga_cards_num)
1374 {
1375 printk(KERN_ERR "mga_vid: No supported cards found\n");
1376 } else {
1377 printk(KERN_INFO "mga_vid: %d supported cards found\n", mga_cards_num);
1378 }
1379
1380 return mga_cards_num;
1381 }
1382
1383 static void mga_param_buff_fill( mga_card_t * card )
1384 {
1385 unsigned len;
1386 unsigned size = card->param_buff_size;
1387 char * buf = card->param_buff;
1388 len = 0;
1389 len += snprintf(&buf[len],size-len,"Interface version: %04X\n",MGA_VID_VERSION);
1390 len += snprintf(&buf[len],size-len,"Memory: %x:%dM\n",card->mem_base,(unsigned int) card->ram_size);
1391 len += snprintf(&buf[len],size-len,"MMIO: %p\n",card->mmio_base);
1392 len += snprintf(&buf[len],size-len,"Configurable stuff:\n");
1393 len += snprintf(&buf[len],size-len,"~~~~~~~~~~~~~~~~~~~\n");
1394 len += snprintf(&buf[len],size-len,PARAM_BRIGHTNESS"%d\n",card->brightness);
1395 len += snprintf(&buf[len],size-len,PARAM_CONTRAST"%d\n",card->contrast);
1396 len += snprintf(&buf[len],size-len,PARAM_BLACKIE"%s\n",card->regs.blackie?"on":"off");
1397 card->param_buff_len = len;
1398 // check boundaries of mga_param_buff before writing to it!!!
1399 }
1400
1401
1402 static ssize_t mga_vid_read(struct file *file, char *buf, size_t count, loff_t *ppos)
1403 {
1404 uint32_t size;
1405 mga_card_t * card = (mga_card_t *) file->private_data;
1406
1407 if(!card->param_buff) return -ESPIPE;
1408 if(!(*ppos)) mga_param_buff_fill(card);
1409 if(*ppos >= card->param_buff_len) return 0;
1410 size = min(count,card->param_buff_len-(uint32_t)(*ppos));
1411 memcpy(buf,card->param_buff,size);
1412 *ppos += size;
1413 return size;
1414 }
1415
1416 static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
1417 {
1418 mga_card_t * card = (mga_card_t *) file->private_data;
1419
1420 if(memcmp(buf,PARAM_BRIGHTNESS,min(count,strlen(PARAM_BRIGHTNESS))) == 0)
1421 {
1422 short brightness;
1423 brightness=simple_strtol(&buf[strlen(PARAM_BRIGHTNESS)],NULL,10);
1424 if (brightness>127 || brightness<-128) { brightness=0;}
1425 // printk(KERN_DEBUG "mga_vid: brightness modified ( %d ) \n",brightness);
1426 card->brightness=brightness;
1427 } else
1428 if(memcmp(buf,PARAM_CONTRAST,min(count,strlen(PARAM_CONTRAST))) == 0)
1429 {
1430 short contrast;
1431 contrast=simple_strtol(&buf[strlen(PARAM_CONTRAST)],NULL,10);
1432 if (contrast>127 || contrast<-128) { contrast=0;}
1433 // printk(KERN_DEBUG "mga_vid: contrast modified ( %d ) \n",contrast);
1434 card->contrast=contrast;
1435 } else
1436
1437 if(memcmp(buf,PARAM_BLACKIE,min(count,strlen(PARAM_BLACKIE))) == 0)
1438 {
1439 short blackie;
1440 blackie=simple_strtol(&buf[strlen(PARAM_BLACKIE)],NULL,10);
1441 // printk(KERN_DEBUG "mga_vid: shadow mode: ( %d ) \n",blackie);
1442 card->regs.blackie=(blackie>0)?1:0;
1443 } else count = -EIO;
1444 // TODO: reset settings
1445 return count;
1446 }
1447
1448 static int mga_vid_mmap(struct file *file, struct vm_area_struct *vma)
1449 {
1450 mga_card_t * card = (mga_card_t *) file->private_data;
1451
1452 #ifdef MP_DEBUG
1453 printk(KERN_DEBUG "mga_vid: mapping video memory into userspace\n");
1454 #endif
1455
1456 if(!card->configured)
1457 {
1458 printk(KERN_ERR "mga_vid: card is not configured, cannot mmap\n");
1459 return(-EAGAIN);
1460 }
1461
1462 if(remap_page_range(vma->vm_start, card->mem_base + card->src_base,
1463 vma->vm_end - vma->vm_start, vma->vm_page_prot))
1464 {
1465 printk(KERN_ERR "mga_vid: error mapping video memory\n");
1466 return(-EAGAIN);
1467 }
1468
1469 return(0);
1470 }
1471
1472 static int mga_vid_release(struct inode *inode, struct file *file)
1473 {
1474 mga_card_t * card;
1475
1476 //Close the window just in case
1477 #ifdef MP_DEBUG
1478 printk(KERN_DEBUG "mga_vid: Video OFF (release)\n");
1479 #endif
1480
1481 card = (mga_card_t *) file->private_data;
1482
1483 card->vid_src_ready = 0;
1484 card->regs.besctl &= ~1;
1485 card->regs.besglobctl &= ~(1<<6); // UYVY format selected
1486 // card->config.colkey_on=0; //!!!
1487 mga_vid_write_regs(card, 1);
1488 card->vid_in_use = 0;
1489
1490 MOD_DEC_USE_COUNT;
1491 return 0;
1492 }
1493
1494 static long long mga_vid_lseek(struct file *file, long long offset, int origin)
1495 {
1496 return -ESPIPE;
1497 }
1498
1499 static int mga_vid_open(struct inode *inode, struct file *file)
1500 {
1501 mga_card_t * card;
1502
1503 int minor = MINOR(inode->i_rdev);
1504
1505 if(!file->private_data)
1506 {
1507 // we are not using devfs, use the minor
1508 // number to specify the card we are using
1509
1510 // we don't have that many cards
1511 if(minor >= mga_cards_num)
1512 return(-ENXIO);
1513
1514 file->private_data = mga_cards[minor];
1515 #ifdef MP_DEBUG
1516 printk(KERN_DEBUG "mga_vid: Not using devfs\n");
1517 #endif
1518 }
1519 #ifdef MP_DEBUG
1520 else {
1521 printk(KERN_DEBUG "mga_vid: Using devfs\n");
1522 }
1523 #endif
1524
1525 card = (mga_card_t *) file->private_data;
1526
1527 if(card->vid_in_use == 1)
1528 return(-EBUSY);
1529
1530 card->vid_in_use = 1;
1531 MOD_INC_USE_COUNT;
1532 return(0);
1533 }
1534
1535 #if LINUX_VERSION_CODE >= 0x020400
1536 static struct file_operations mga_vid_fops =
1537 {
1538 llseek: mga_vid_lseek,
1539 read: mga_vid_read,
1540 write: mga_vid_write,
1541 ioctl: mga_vid_ioctl,
1542 mmap: mga_vid_mmap,
1543 open: mga_vid_open,
1544 release: mga_vid_release
1545 };
1546 #else
1547 static struct file_operations mga_vid_fops =
1548 {
1549 mga_vid_lseek,
1550 mga_vid_read,
1551 mga_vid_write,
1552 NULL,
1553 NULL,
1554 mga_vid_ioctl,
1555 mga_vid_mmap,
1556 mga_vid_open,
1557 NULL,
1558 mga_vid_release
1559 };
1560 #endif
1561
1562 static void cards_init(mga_card_t * card, struct pci_dev * dev, int card_number, int is_g400)
1563 {
1564 unsigned int card_option;
1565 // temp buffer for device filename creation used only by devfs
1566 #ifdef CONFIG_DEVFS_FS
1567 char buffer[16];
1568 #endif
1569
1570 memset(card,0,sizeof(mga_card_t));
1571 card->irq = -1;
1572
1573 card->pci_dev = dev;
1574 card->irq = dev->irq;
1575 card->is_g400 = is_g400;
1576
1577 card->param_buff = kmalloc(PARAM_BUFF_SIZE,GFP_KERNEL);
1578 if(card->param_buff) card->param_buff_size = PARAM_BUFF_SIZE;
1579
1580 card->brightness = mga_brightness[card_number];
1581 card->contrast = mga_contrast[card_number];
1582 card->top_reserved = mga_top_reserved[card_number];
1583
1584 #if LINUX_VERSION_CODE >= 0x020300
1585 card->mmio_base = ioremap_nocache(dev->resource[1].start,0x4000);
1586 card->mem_base = dev->resource[0].start;
1587 #else
1588 card->mmio_base = ioremap_nocache(dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK,0x4000);
1589 card->mem_base = dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK;
1590 #endif
1591 printk(KERN_INFO "mga_vid: MMIO at 0x%p IRQ: %d framebuffer: 0x%08X\n", card->mmio_base, card->irq, card->mem_base);
1592
1593 pci_read_config_dword(dev, 0x40, &card_option);
1594 printk(KERN_INFO "mga_vid: OPTION word: 0x%08X mem: 0x%02X %s\n", card_option,
1595 (card_option>>10)&0x17, ((card_option>>14)&1)?"SGRAM":"SDRAM");
1596
1597 if (mga_ram_size[card_number]) {
1598 printk(KERN_INFO "mga_vid: RAMSIZE forced to %d MB\n", mga_ram_size[card_number]);
1599 card->ram_size=mga_ram_size[card_number];
1600 } else {
1601
1602 #ifdef MGA_MEMORY_SIZE
1603 card->ram_size = MGA_MEMORY_SIZE;
1604 printk(KERN_INFO "mga_vid: hard-coded RAMSIZE is %d MB\n", (unsigned int) card->ram_size);
1605
1606 #else
1607
1608 if (card->is_g400){
1609 switch((card_option>>10)&0x17){
1610 // SDRAM:
1611 case 0x00:
1612 case 0x04: card->ram_size = 16; break;
1613 case 0x03:
1614 case 0x05: card->ram_size = 32; break;
1615 // SGRAM:
1616 case 0x10:
1617 case 0x14: card->ram_size = 32; break;
1618 case 0x11:
1619 case 0x12: card->ram_size = 16; break;
1620 default:
1621 card->ram_size = 16;
1622 printk(KERN_INFO "mga_vid: Couldn't detect RAMSIZE, assuming 16MB!");
1623 }
1624 /* Check for buggy 16MB cards reporting 32 MB */
1625 if(card->ram_size != 16 &&
1626 (dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SDRAM ||
1627 dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_16MB_SGRAM ||
1628 dev->subsystem_device == PCI_SUBSYSTEM_ID_MATROX_G400_DH_16MB))
1629 {
1630 printk(KERN_INFO "mga_vid: Detected 16MB card reporting %d MB RAMSIZE, overriding\n", card->ram_size);
1631 card->ram_size = 16;
1632 }
1633 }else{
1634 switch((card_option>>10)&0x17){
1635 // case 0x10:
1636 // case 0x13: card->ram_size = 8; break;
1637 default: card->ram_size = 8;
1638 }
1639 }
1640 #if 0
1641 // printk("List resources -----------\n");
1642 for(temp=0;temp<DEVICE_COUNT_RESOURCE;temp++){
1643 struct resource *res=&dev->resource[temp];
1644 if(res->flags){
1645 int size=(1+res->end-res->start)>>20;
1646 printk(KERN_DEBUG "res %d: start: 0x%X end: 0x%X (%d MB) flags=0x%X\n",temp,res->start,res->end,size,res->flags);
1647 if(res->flags&(IORESOURCE_MEM|IORESOURCE_PREFETCH)){
1648 if(size>card->ram_size && size<=64) card->ram_size=size;
1649 }
1650 }
1651 }
1652 #endif
1653 printk(KERN_INFO "mga_vid: detected RAMSIZE is %d MB\n", (unsigned int) card->ram_size);
1654 #endif
1655 }
1656
1657
1658 #ifdef MGA_ALLOW_IRQ
1659 if ( card->irq != -1 ) {
1660 int tmp = request_irq(card->irq, mga_handle_irq, SA_INTERRUPT | SA_SHIRQ, "Syncfb Time Base", card);
1661 if ( tmp ) {
1662 printk(KERN_INFO "syncfb (mga): cannot register irq %d (Err: %d)\n", card->irq, tmp);
1663 card->irq=-1;
1664 } else {
1665 printk(KERN_DEBUG "syncfb (mga): registered irq %d\n", card->irq);
1666 }
1667 } else {
1668 printk(KERN_INFO "syncfb (mga): No valid irq was found\n");
1669 card->irq=-1;
1670 }
1671 #else
1672 printk(KERN_INFO "syncfb (mga): IRQ disabled in mga_vid.c\n");
1673 card->irq=-1;
1674 #endif
1675
1676 // register devfs, let the kernel give us major and minor numbers
1677 #ifdef CONFIG_DEVFS_FS
1678 snprintf(buffer, 16, "mga_vid%d", card_number);
1679 card->dev_handle = devfs_register(NULL, buffer, DEVFS_FL_AUTO_DEVNUM,
1680 0, 0,
1681 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IFCHR,
1682 &mga_vid_fops, card);
1683 #endif
1684
1685 }
1686
1687 /*
1688 * Main Initialization Function
1689 */
1690
1691 static int mga_vid_initialize(void)
1692 {
1693 int i;
1694
1695 // printk(KERN_INFO "Matrox MGA G200/G400 YUV Video interface v0.01 (c) Aaron Holtzman \n");
1696 printk(KERN_INFO "Matrox MGA G200/G400/G450/G550 YUV Video interface v2.01 (c) Aaron Holtzman & A'rpi\n");
1697
1698 for(i = 0; i < MGA_MAX_CARDS; i++)
1699 {
1700 if (mga_ram_size[i]) {
1701 if (mga_ram_size[i]<4 || mga_ram_size[i]>64) {
1702 printk(KERN_ERR "mga_vid: invalid RAMSIZE: %d MB\n", mga_ram_size[i]);
1703 return -EINVAL;
1704 }
1705 }
1706 }
1707
1708 if(register_chrdev(major, "mga_vid", &mga_vid_fops))
1709 {
1710 printk(KERN_ERR "mga_vid: unable to get major: %d\n", major);
1711 return -EIO;
1712 }
1713
1714 if (!mga_vid_find_card())
1715 {
1716 printk(KERN_ERR "mga_vid: no supported devices found\n");
1717 unregister_chrdev(major, "mga_vid");
1718 return -EINVAL;
1719 }
1720 #ifdef CONFIG_DEVFS_FS
1721 else {
1722 // we assume that this always succeedes
1723 dev_handle = devfs_register(NULL, "mga_vid", DEVFS_FL_AUTO_DEVNUM,
1724 0,0,
1725 S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IFCHR,
1726 &mga_vid_fops, mga_cards[0]);
1727 }
1728 #endif
1729
1730 return(0);
1731 }
1732
1733 int init_module(void)
1734 {
1735 return mga_vid_initialize();
1736 }
1737
1738 void cleanup_module(void)
1739 {
1740 int i;
1741 mga_card_t * card;
1742
1743 for (i = 0; i < MGA_MAX_CARDS; i++)
1744 {
1745 card = mga_cards[i];
1746 if(card)
1747 {
1748 #ifdef MGA_ALLOW_IRQ
1749 if (card->irq != -1)
1750 free_irq(card->irq, &(card->irq));
1751 #endif
1752
1753 if(card->mmio_base)
1754 iounmap(card->mmio_base);
1755 if(card->param_buff)
1756 kfree(card->param_buff);
1757 #ifdef CONFIG_DEVFS_FS
1758 if(card->dev_handle) devfs_unregister(card->dev_handle);
1759 #endif
1760
1761 kfree(card);
1762 mga_cards[i]=NULL;
1763 }
1764 }
1765
1766 //FIXME turn off BES
1767 printk(KERN_INFO "mga_vid: Cleaning up module\n");
1768 #ifdef CONFIG_DEVFS_FS
1769 if(dev_handle) devfs_unregister(dev_handle);
1770 #endif
1771 unregister_chrdev(major, "mga_vid");
1772 }