blob: 05d0879ce93568194f36f393cb951b43f3155bc8 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Driver for Intel I82092AA PCI-PCMCIA bridge.
3 *
4 * (C) 2001 Red Hat, Inc.
5 *
6 * Author: Arjan Van De Ven <arjanv@redhat.com>
7 * Loosly based on i82365.c from the pcmcia-cs package
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 */
9
10#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070011#include <linux/module.h>
12#include <linux/pci.h>
13#include <linux/init.h>
14#include <linux/workqueue.h>
15#include <linux/interrupt.h>
16#include <linux/device.h>
17
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include <pcmcia/ss.h>
19#include <pcmcia/cs.h>
20
21#include <asm/system.h>
22#include <asm/io.h>
23
24#include "i82092aa.h"
25#include "i82365.h"
26
27MODULE_LICENSE("GPL");
28
29/* PCI core routines */
30static struct pci_device_id i82092aa_pci_ids[] = {
31 {
32 .vendor = PCI_VENDOR_ID_INTEL,
33 .device = PCI_DEVICE_ID_INTEL_82092AA_0,
34 .subvendor = PCI_ANY_ID,
35 .subdevice = PCI_ANY_ID,
36 },
37 {}
38};
39MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
40
Sam Ravnborgba66ddf2008-05-01 04:34:51 -070041static struct pci_driver i82092aa_pci_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 .name = "i82092aa",
43 .id_table = i82092aa_pci_ids,
44 .probe = i82092aa_pci_probe,
45 .remove = __devexit_p(i82092aa_pci_remove),
Linus Torvalds1da177e2005-04-16 15:20:36 -070046};
47
48
49/* the pccard structure and its functions */
50static struct pccard_operations i82092aa_operations = {
51 .init = i82092aa_init,
52 .get_status = i82092aa_get_status,
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 .set_socket = i82092aa_set_socket,
54 .set_io_map = i82092aa_set_io_map,
55 .set_mem_map = i82092aa_set_mem_map,
56};
57
58/* The card can do upto 4 sockets, allocate a structure for each of them */
59
60struct socket_info {
61 int number;
62 int card_state; /* 0 = no socket,
63 1 = empty socket,
64 2 = card but not initialized,
65 3 = operational card */
Olof Johansson906da802008-02-04 22:27:35 -080066 unsigned int io_base; /* base io address of the socket */
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
68 struct pcmcia_socket socket;
69 struct pci_dev *dev; /* The PCI device for the socket */
70};
71
72#define MAX_SOCKETS 4
73static struct socket_info sockets[MAX_SOCKETS];
74static int socket_count; /* shortcut */
75
76
77static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
78{
79 unsigned char configbyte;
80 int i, ret;
81
82 enter("i82092aa_pci_probe");
83
84 if ((ret = pci_enable_device(dev)))
85 return ret;
86
87 pci_read_config_byte(dev, 0x40, &configbyte); /* PCI Configuration Control */
88 switch(configbyte&6) {
89 case 0:
90 socket_count = 2;
91 break;
92 case 2:
93 socket_count = 1;
94 break;
95 case 4:
96 case 6:
97 socket_count = 4;
98 break;
99
100 default:
101 printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
102 ret = -EIO;
103 goto err_out_disable;
104 }
105 printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
106
107 if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
108 ret = -EBUSY;
109 goto err_out_disable;
110 }
111
112 for (i = 0;i<socket_count;i++) {
113 sockets[i].card_state = 1; /* 1 = present but empty */
114 sockets[i].io_base = pci_resource_start(dev, 0);
115 sockets[i].socket.features |= SS_CAP_PCCARD;
116 sockets[i].socket.map_size = 0x1000;
117 sockets[i].socket.irq_mask = 0;
118 sockets[i].socket.pci_irq = dev->irq;
Dominik Brodowski7a96e872010-03-13 17:42:39 +0100119 sockets[i].socket.cb_dev = dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 sockets[i].socket.owner = THIS_MODULE;
121
122 sockets[i].number = i;
123
124 if (card_present(i)) {
125 sockets[i].card_state = 3;
126 dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
127 } else {
128 dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
129 }
130 }
131
132 /* Now, specifiy that all interrupts are to be done as PCI interrupts */
133 configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
134 pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
135
136 /* Register the interrupt handler */
137 dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
Thomas Gleixnerdace1452006-07-01 19:29:38 -0700138 if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
140 goto err_out_free_res;
141 }
142
143 pci_set_drvdata(dev, &sockets[i].socket);
144
145 for (i = 0; i<socket_count; i++) {
Greg Kroah-Hartman87373312006-09-12 17:00:10 +0200146 sockets[i].socket.dev.parent = &dev->dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147 sockets[i].socket.ops = &i82092aa_operations;
148 sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
149 ret = pcmcia_register_socket(&sockets[i].socket);
150 if (ret) {
151 goto err_out_free_sockets;
152 }
153 }
154
155 leave("i82092aa_pci_probe");
156 return 0;
157
158err_out_free_sockets:
159 if (i) {
160 for (i--;i>=0;i--) {
161 pcmcia_unregister_socket(&sockets[i].socket);
162 }
163 }
164 free_irq(dev->irq, i82092aa_interrupt);
165err_out_free_res:
166 release_region(pci_resource_start(dev, 0), 2);
167err_out_disable:
168 pci_disable_device(dev);
169 return ret;
170}
171
172static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
173{
174 struct pcmcia_socket *socket = pci_get_drvdata(dev);
175
176 enter("i82092aa_pci_remove");
177
178 free_irq(dev->irq, i82092aa_interrupt);
179
180 if (socket)
181 pcmcia_unregister_socket(socket);
182
183 leave("i82092aa_pci_remove");
184}
185
186static DEFINE_SPINLOCK(port_lock);
187
188/* basic value read/write functions */
189
190static unsigned char indirect_read(int socket, unsigned short reg)
191{
192 unsigned short int port;
193 unsigned char val;
194 unsigned long flags;
195 spin_lock_irqsave(&port_lock,flags);
196 reg += socket * 0x40;
197 port = sockets[socket].io_base;
198 outb(reg,port);
199 val = inb(port+1);
200 spin_unlock_irqrestore(&port_lock,flags);
201 return val;
202}
203
204#if 0
205static unsigned short indirect_read16(int socket, unsigned short reg)
206{
207 unsigned short int port;
208 unsigned short tmp;
209 unsigned long flags;
210 spin_lock_irqsave(&port_lock,flags);
211 reg = reg + socket * 0x40;
212 port = sockets[socket].io_base;
213 outb(reg,port);
214 tmp = inb(port+1);
215 reg++;
216 outb(reg,port);
217 tmp = tmp | (inb(port+1)<<8);
218 spin_unlock_irqrestore(&port_lock,flags);
219 return tmp;
220}
221#endif
222
223static void indirect_write(int socket, unsigned short reg, unsigned char value)
224{
225 unsigned short int port;
226 unsigned long flags;
227 spin_lock_irqsave(&port_lock,flags);
228 reg = reg + socket * 0x40;
229 port = sockets[socket].io_base;
230 outb(reg,port);
231 outb(value,port+1);
232 spin_unlock_irqrestore(&port_lock,flags);
233}
234
235static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
236{
237 unsigned short int port;
238 unsigned char val;
239 unsigned long flags;
240 spin_lock_irqsave(&port_lock,flags);
241 reg = reg + socket * 0x40;
242 port = sockets[socket].io_base;
243 outb(reg,port);
244 val = inb(port+1);
245 val |= mask;
246 outb(reg,port);
247 outb(val,port+1);
248 spin_unlock_irqrestore(&port_lock,flags);
249}
250
251
252static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
253{
254 unsigned short int port;
255 unsigned char val;
256 unsigned long flags;
257 spin_lock_irqsave(&port_lock,flags);
258 reg = reg + socket * 0x40;
259 port = sockets[socket].io_base;
260 outb(reg,port);
261 val = inb(port+1);
262 val &= ~mask;
263 outb(reg,port);
264 outb(val,port+1);
265 spin_unlock_irqrestore(&port_lock,flags);
266}
267
268static void indirect_write16(int socket, unsigned short reg, unsigned short value)
269{
270 unsigned short int port;
271 unsigned char val;
272 unsigned long flags;
273 spin_lock_irqsave(&port_lock,flags);
274 reg = reg + socket * 0x40;
275 port = sockets[socket].io_base;
276
277 outb(reg,port);
278 val = value & 255;
279 outb(val,port+1);
280
281 reg++;
282
283 outb(reg,port);
284 val = value>>8;
285 outb(val,port+1);
286 spin_unlock_irqrestore(&port_lock,flags);
287}
288
289/* simple helper functions */
290/* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
291static int cycle_time = 120;
292
293static int to_cycles(int ns)
294{
295 if (cycle_time!=0)
296 return ns/cycle_time;
297 else
298 return 0;
299}
300
301
302/* Interrupt handler functionality */
303
David Howells7d12e782006-10-05 14:55:46 +0100304static irqreturn_t i82092aa_interrupt(int irq, void *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305{
306 int i;
307 int loopcount = 0;
308 int handled = 0;
309
310 unsigned int events, active=0;
311
312/* enter("i82092aa_interrupt");*/
313
314 while (1) {
315 loopcount++;
316 if (loopcount>20) {
317 printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
318 break;
319 }
320
321 active = 0;
322
323 for (i=0;i<socket_count;i++) {
324 int csc;
325 if (sockets[i].card_state==0) /* Inactive socket, should not happen */
326 continue;
327
328 csc = indirect_read(i,I365_CSC); /* card status change register */
329
330 if (csc==0) /* no events on this socket */
331 continue;
332 handled = 1;
333 events = 0;
334
335 if (csc & I365_CSC_DETECT) {
336 events |= SS_DETECT;
337 printk("Card detected in socket %i!\n",i);
338 }
339
340 if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) {
341 /* For IO/CARDS, bit 0 means "read the card" */
342 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
343 } else {
344 /* Check for battery/ready events */
345 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
346 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
347 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
348 }
349
350 if (events) {
351 pcmcia_parse_events(&sockets[i].socket, events);
352 }
353 active |= events;
354 }
355
356 if (active==0) /* no more events to handle */
357 break;
358
359 }
360 return IRQ_RETVAL(handled);
361/* leave("i82092aa_interrupt");*/
362}
363
364
365
366/* socket functions */
367
368static int card_present(int socketno)
369{
370 unsigned int val;
371 enter("card_present");
372
373 if ((socketno<0) || (socketno >= MAX_SOCKETS))
374 return 0;
375 if (sockets[socketno].io_base == 0)
376 return 0;
377
378
379 val = indirect_read(socketno, 1); /* Interface status register */
380 if ((val&12)==12) {
381 leave("card_present 1");
382 return 1;
383 }
384
385 leave("card_present 0");
386 return 0;
387}
388
389static void set_bridge_state(int sock)
390{
391 enter("set_bridge_state");
392 indirect_write(sock, I365_GBLCTL,0x00);
393 indirect_write(sock, I365_GENCTL,0x00);
394
395 indirect_setbit(sock, I365_INTCTL,0x08);
396 leave("set_bridge_state");
397}
398
399
400
401
402
403
404static int i82092aa_init(struct pcmcia_socket *sock)
405{
406 int i;
407 struct resource res = { .start = 0, .end = 0x0fff };
408 pccard_io_map io = { 0, 0, 0, 0, 1 };
409 pccard_mem_map mem = { .res = &res, };
410
411 enter("i82092aa_init");
412
413 for (i = 0; i < 2; i++) {
414 io.map = i;
415 i82092aa_set_io_map(sock, &io);
416 }
417 for (i = 0; i < 5; i++) {
418 mem.map = i;
419 i82092aa_set_mem_map(sock, &mem);
420 }
421
422 leave("i82092aa_init");
423 return 0;
424}
425
426static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
427{
428 unsigned int sock = container_of(socket, struct socket_info, socket)->number;
429 unsigned int status;
430
431 enter("i82092aa_get_status");
432
433 status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
434 *value = 0;
435
436 if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
437 *value |= SS_DETECT;
438 }
439
440 /* IO cards have a different meaning of bits 0,1 */
441 /* Also notice the inverse-logic on the bits */
442 if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
443 /* IO card */
444 if (!(status & I365_CS_STSCHG))
445 *value |= SS_STSCHG;
446 } else { /* non I/O card */
447 if (!(status & I365_CS_BVD1))
448 *value |= SS_BATDEAD;
449 if (!(status & I365_CS_BVD2))
450 *value |= SS_BATWARN;
451
452 }
453
454 if (status & I365_CS_WRPROT)
455 (*value) |= SS_WRPROT; /* card is write protected */
456
457 if (status & I365_CS_READY)
458 (*value) |= SS_READY; /* card is not busy */
459
460 if (status & I365_CS_POWERON)
461 (*value) |= SS_POWERON; /* power is applied to the card */
462
463
464 leave("i82092aa_get_status");
465 return 0;
466}
467
468
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state)
470{
471 unsigned int sock = container_of(socket, struct socket_info, socket)->number;
472 unsigned char reg;
473
474 enter("i82092aa_set_socket");
475
476 /* First, set the global controller options */
477
478 set_bridge_state(sock);
479
480 /* Values for the IGENC register */
481
482 reg = 0;
483 if (!(state->flags & SS_RESET)) /* The reset bit has "inverse" logic */
484 reg = reg | I365_PC_RESET;
485 if (state->flags & SS_IOCARD)
486 reg = reg | I365_PC_IOCARD;
487
488 indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
489
490 /* Power registers */
491
492 reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
493
494 if (state->flags & SS_PWR_AUTO) {
495 printk("Auto power\n");
496 reg |= I365_PWR_AUTO; /* automatic power mngmnt */
497 }
498 if (state->flags & SS_OUTPUT_ENA) {
499 printk("Power Enabled \n");
500 reg |= I365_PWR_OUT; /* enable power */
501 }
502
503 switch (state->Vcc) {
504 case 0:
505 break;
506 case 50:
507 printk("setting voltage to Vcc to 5V on socket %i\n",sock);
508 reg |= I365_VCC_5V;
509 break;
510 default:
511 printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
512 leave("i82092aa_set_socket");
513 return -EINVAL;
514 }
515
516
517 switch (state->Vpp) {
518 case 0:
519 printk("not setting Vpp on socket %i\n",sock);
520 break;
521 case 50:
522 printk("setting Vpp to 5.0 for socket %i\n",sock);
523 reg |= I365_VPP1_5V | I365_VPP2_5V;
524 break;
525 case 120:
526 printk("setting Vpp to 12.0\n");
527 reg |= I365_VPP1_12V | I365_VPP2_12V;
528 break;
529 default:
530 printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
531 leave("i82092aa_set_socket");
532 return -EINVAL;
533 }
534
535 if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
536 indirect_write(sock,I365_POWER,reg);
537
538 /* Enable specific interrupt events */
539
540 reg = 0x00;
541 if (state->csc_mask & SS_DETECT) {
542 reg |= I365_CSC_DETECT;
543 }
544 if (state->flags & SS_IOCARD) {
545 if (state->csc_mask & SS_STSCHG)
546 reg |= I365_CSC_STSCHG;
547 } else {
548 if (state->csc_mask & SS_BATDEAD)
549 reg |= I365_CSC_BVD1;
550 if (state->csc_mask & SS_BATWARN)
551 reg |= I365_CSC_BVD2;
552 if (state->csc_mask & SS_READY)
553 reg |= I365_CSC_READY;
554
555 }
556
557 /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
558
559 indirect_write(sock,I365_CSCINT,reg);
560 (void)indirect_read(sock,I365_CSC);
561
562 leave("i82092aa_set_socket");
563 return 0;
564}
565
566static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
567{
568 unsigned int sock = container_of(socket, struct socket_info, socket)->number;
569 unsigned char map, ioctl;
570
571 enter("i82092aa_set_io_map");
572
573 map = io->map;
574
575 /* Check error conditions */
576 if (map > 1) {
577 leave("i82092aa_set_io_map with invalid map");
578 return -EINVAL;
579 }
580 if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
581 leave("i82092aa_set_io_map with invalid io");
582 return -EINVAL;
583 }
584
585 /* Turn off the window before changing anything */
586 if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
587 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
588
589/* printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop); */
590
591 /* write the new values */
592 indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);
593 indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);
594
595 ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
596
597 if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
598 ioctl |= I365_IOCTL_16BIT(map);
599
600 indirect_write(sock,I365_IOCTL,ioctl);
601
602 /* Turn the window back on if needed */
603 if (io->flags & MAP_ACTIVE)
604 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
605
606 leave("i82092aa_set_io_map");
607 return 0;
608}
609
610static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
611{
612 struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
613 unsigned int sock = sock_info->number;
614 struct pci_bus_region region;
615 unsigned short base, i;
616 unsigned char map;
617
618 enter("i82092aa_set_mem_map");
619
620 pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
621
622 map = mem->map;
623 if (map > 4) {
624 leave("i82092aa_set_mem_map: invalid map");
625 return -EINVAL;
626 }
627
628
629 if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
630 (mem->speed > 1000) ) {
631 leave("i82092aa_set_mem_map: invalid address / speed");
Andrew Mortonf96ee7a2008-02-04 23:35:48 -0800632 printk("invalid mem map for socket %i: %llx to %llx with a "
633 "start of %x\n",
634 sock,
635 (unsigned long long)region.start,
636 (unsigned long long)region.end,
637 mem->card_start);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700638 return -EINVAL;
639 }
640
641 /* Turn off the window before changing anything */
642 if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
643 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
644
645
646/* printk("set_mem_map: Setting map %i range to %x - %x on socket %i, speed is %i, active = %i \n",map, region.start,region.end,sock,mem->speed,mem->flags & MAP_ACTIVE); */
647
648 /* write the start address */
649 base = I365_MEM(map);
650 i = (region.start >> 12) & 0x0fff;
651 if (mem->flags & MAP_16BIT)
652 i |= I365_MEM_16BIT;
653 if (mem->flags & MAP_0WS)
654 i |= I365_MEM_0WS;
655 indirect_write16(sock,base+I365_W_START,i);
656
657 /* write the stop address */
658
659 i= (region.end >> 12) & 0x0fff;
660 switch (to_cycles(mem->speed)) {
661 case 0:
662 break;
663 case 1:
664 i |= I365_MEM_WS0;
665 break;
666 case 2:
667 i |= I365_MEM_WS1;
668 break;
669 default:
670 i |= I365_MEM_WS1 | I365_MEM_WS0;
671 break;
672 }
673
674 indirect_write16(sock,base+I365_W_STOP,i);
675
676 /* card start */
677
678 i = ((mem->card_start - region.start) >> 12) & 0x3fff;
679 if (mem->flags & MAP_WRPROT)
680 i |= I365_MEM_WRPROT;
681 if (mem->flags & MAP_ATTRIB) {
682/* printk("requesting attribute memory for socket %i\n",sock);*/
683 i |= I365_MEM_REG;
684 } else {
685/* printk("requesting normal memory for socket %i\n",sock);*/
686 }
687 indirect_write16(sock,base+I365_W_OFF,i);
688
689 /* Enable the window if necessary */
690 if (mem->flags & MAP_ACTIVE)
691 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
692
693 leave("i82092aa_set_mem_map");
694 return 0;
695}
696
697static int i82092aa_module_init(void)
698{
Sam Ravnborgba66ddf2008-05-01 04:34:51 -0700699 return pci_register_driver(&i82092aa_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700700}
701
702static void i82092aa_module_exit(void)
703{
704 enter("i82092aa_module_exit");
Sam Ravnborgba66ddf2008-05-01 04:34:51 -0700705 pci_unregister_driver(&i82092aa_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706 if (sockets[0].io_base>0)
707 release_region(sockets[0].io_base, 2);
708 leave("i82092aa_module_exit");
709}
710
711module_init(i82092aa_module_init);
712module_exit(i82092aa_module_exit);
713