pcmcia: silence section mismatch warnings from pci_driver variables
[linux-2.6.git] / drivers / pcmcia / i82092.c
1 /* 
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
8  *
9  * $Id: i82092aa.c,v 1.2 2001/10/23 14:43:34 arjanv Exp $
10  */
11
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/pci.h>
15 #include <linux/init.h>
16 #include <linux/workqueue.h>
17 #include <linux/interrupt.h>
18 #include <linux/device.h>
19
20 #include <pcmcia/cs_types.h>
21 #include <pcmcia/ss.h>
22 #include <pcmcia/cs.h>
23
24 #include <asm/system.h>
25 #include <asm/io.h>
26
27 #include "i82092aa.h"
28 #include "i82365.h"
29
30 MODULE_LICENSE("GPL");
31
32 /* PCI core routines */
33 static struct pci_device_id i82092aa_pci_ids[] = {
34         {
35               .vendor = PCI_VENDOR_ID_INTEL,
36               .device = PCI_DEVICE_ID_INTEL_82092AA_0,
37               .subvendor = PCI_ANY_ID,
38               .subdevice = PCI_ANY_ID,
39          },
40          {} 
41 };
42 MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
43
44 #ifdef CONFIG_PM
45 static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state)
46 {
47         return pcmcia_socket_dev_suspend(&dev->dev, state);
48 }
49
50 static int i82092aa_socket_resume (struct pci_dev *dev)
51 {
52         return pcmcia_socket_dev_resume(&dev->dev);
53 }
54 #endif
55
56 static struct pci_driver i82092aa_pci_driver = {
57         .name           = "i82092aa",
58         .id_table       = i82092aa_pci_ids,
59         .probe          = i82092aa_pci_probe,
60         .remove         = __devexit_p(i82092aa_pci_remove),
61 #ifdef CONFIG_PM
62         .suspend        = i82092aa_socket_suspend,
63         .resume         = i82092aa_socket_resume,
64 #endif
65 };
66
67
68 /* the pccard structure and its functions */
69 static struct pccard_operations i82092aa_operations = {
70         .init                   = i82092aa_init,
71         .get_status             = i82092aa_get_status,
72         .set_socket             = i82092aa_set_socket,
73         .set_io_map             = i82092aa_set_io_map,
74         .set_mem_map            = i82092aa_set_mem_map,
75 };
76
77 /* The card can do upto 4 sockets, allocate a structure for each of them */
78
79 struct socket_info {
80         int     number;
81         int     card_state;     /*  0 = no socket,
82                                     1 = empty socket, 
83                                     2 = card but not initialized,
84                                     3 = operational card */
85         unsigned int io_base;   /* base io address of the socket */
86         
87         struct pcmcia_socket socket;
88         struct pci_dev *dev;    /* The PCI device for the socket */
89 };
90
91 #define MAX_SOCKETS 4
92 static struct socket_info sockets[MAX_SOCKETS];
93 static int socket_count;  /* shortcut */                                                                                
94
95
96 static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
97 {
98         unsigned char configbyte;
99         int i, ret;
100         
101         enter("i82092aa_pci_probe");
102         
103         if ((ret = pci_enable_device(dev)))
104                 return ret;
105                 
106         pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
107         switch(configbyte&6) {
108                 case 0:
109                         socket_count = 2;
110                         break;
111                 case 2:
112                         socket_count = 1;
113                         break;
114                 case 4:
115                 case 6:
116                         socket_count = 4;
117                         break;
118                         
119                 default:
120                         printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
121                         ret = -EIO;
122                         goto err_out_disable;
123         }
124         printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
125
126         if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
127                 ret = -EBUSY;
128                 goto err_out_disable;
129         }
130         
131         for (i = 0;i<socket_count;i++) {
132                 sockets[i].card_state = 1; /* 1 = present but empty */
133                 sockets[i].io_base = pci_resource_start(dev, 0);
134                 sockets[i].socket.features |= SS_CAP_PCCARD;
135                 sockets[i].socket.map_size = 0x1000;
136                 sockets[i].socket.irq_mask = 0;
137                 sockets[i].socket.pci_irq  = dev->irq;
138                 sockets[i].socket.owner = THIS_MODULE;
139
140                 sockets[i].number = i;
141                 
142                 if (card_present(i)) {
143                         sockets[i].card_state = 3;
144                         dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
145                 } else {
146                         dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
147                 }
148         }
149                 
150         /* Now, specifiy that all interrupts are to be done as PCI interrupts */
151         configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
152         pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
153
154         /* Register the interrupt handler */
155         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
156         if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
157                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
158                 goto err_out_free_res;
159         }
160
161         pci_set_drvdata(dev, &sockets[i].socket);
162
163         for (i = 0; i<socket_count; i++) {
164                 sockets[i].socket.dev.parent = &dev->dev;
165                 sockets[i].socket.ops = &i82092aa_operations;
166                 sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
167                 ret = pcmcia_register_socket(&sockets[i].socket);
168                 if (ret) {
169                         goto err_out_free_sockets;
170                 }
171         }
172
173         leave("i82092aa_pci_probe");
174         return 0;
175
176 err_out_free_sockets:
177         if (i) {
178                 for (i--;i>=0;i--) {
179                         pcmcia_unregister_socket(&sockets[i].socket);
180                 }
181         }
182         free_irq(dev->irq, i82092aa_interrupt);
183 err_out_free_res:
184         release_region(pci_resource_start(dev, 0), 2);
185 err_out_disable:
186         pci_disable_device(dev);
187         return ret;                     
188 }
189
190 static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
191 {
192         struct pcmcia_socket *socket = pci_get_drvdata(dev);
193
194         enter("i82092aa_pci_remove");
195         
196         free_irq(dev->irq, i82092aa_interrupt);
197
198         if (socket)
199                 pcmcia_unregister_socket(socket);
200
201         leave("i82092aa_pci_remove");
202 }
203
204 static DEFINE_SPINLOCK(port_lock);
205
206 /* basic value read/write functions */
207
208 static unsigned char indirect_read(int socket, unsigned short reg)
209 {
210         unsigned short int port;
211         unsigned char val;
212         unsigned long flags;
213         spin_lock_irqsave(&port_lock,flags);
214         reg += socket * 0x40;
215         port = sockets[socket].io_base;
216         outb(reg,port);
217         val = inb(port+1);
218         spin_unlock_irqrestore(&port_lock,flags);
219         return val;
220 }
221
222 #if 0
223 static unsigned short indirect_read16(int socket, unsigned short reg)
224 {
225         unsigned short int port;
226         unsigned short tmp;
227         unsigned long flags;
228         spin_lock_irqsave(&port_lock,flags);
229         reg  = reg + socket * 0x40;
230         port = sockets[socket].io_base;
231         outb(reg,port);
232         tmp = inb(port+1);
233         reg++;
234         outb(reg,port);
235         tmp = tmp | (inb(port+1)<<8);
236         spin_unlock_irqrestore(&port_lock,flags);
237         return tmp;
238 }
239 #endif
240
241 static void indirect_write(int socket, unsigned short reg, unsigned char value)
242 {
243         unsigned short int port;
244         unsigned long flags;
245         spin_lock_irqsave(&port_lock,flags);
246         reg = reg + socket * 0x40;
247         port = sockets[socket].io_base; 
248         outb(reg,port);
249         outb(value,port+1);
250         spin_unlock_irqrestore(&port_lock,flags);
251 }
252
253 static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
254 {
255         unsigned short int port;
256         unsigned char val;
257         unsigned long flags;
258         spin_lock_irqsave(&port_lock,flags);
259         reg = reg + socket * 0x40;
260         port = sockets[socket].io_base; 
261         outb(reg,port);
262         val = inb(port+1);
263         val |= mask;
264         outb(reg,port);
265         outb(val,port+1);
266         spin_unlock_irqrestore(&port_lock,flags);
267 }
268
269
270 static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
271 {
272         unsigned short int port;
273         unsigned char val;
274         unsigned long flags;
275         spin_lock_irqsave(&port_lock,flags);
276         reg = reg + socket * 0x40;
277         port = sockets[socket].io_base; 
278         outb(reg,port);
279         val = inb(port+1);
280         val &= ~mask;
281         outb(reg,port);
282         outb(val,port+1);
283         spin_unlock_irqrestore(&port_lock,flags);
284 }
285
286 static void indirect_write16(int socket, unsigned short reg, unsigned short value)
287 {
288         unsigned short int port;
289         unsigned char val;
290         unsigned long flags;
291         spin_lock_irqsave(&port_lock,flags);
292         reg = reg + socket * 0x40;
293         port = sockets[socket].io_base; 
294         
295         outb(reg,port);
296         val = value & 255;
297         outb(val,port+1);
298         
299         reg++;
300         
301         outb(reg,port);
302         val = value>>8;
303         outb(val,port+1);
304         spin_unlock_irqrestore(&port_lock,flags);
305 }
306
307 /* simple helper functions */
308 /* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
309 static int cycle_time = 120;
310
311 static int to_cycles(int ns)
312 {
313         if (cycle_time!=0)
314                 return ns/cycle_time;
315         else
316                 return 0;
317 }
318     
319
320 /* Interrupt handler functionality */
321
322 static irqreturn_t i82092aa_interrupt(int irq, void *dev)
323 {
324         int i;
325         int loopcount = 0;
326         int handled = 0;
327
328         unsigned int events, active=0;
329         
330 /*      enter("i82092aa_interrupt");*/
331         
332         while (1) {
333                 loopcount++;
334                 if (loopcount>20) {
335                         printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
336                         break;
337                 }
338                 
339                 active = 0;
340                 
341                 for (i=0;i<socket_count;i++) {
342                         int csc;
343                         if (sockets[i].card_state==0) /* Inactive socket, should not happen */
344                                 continue;
345                         
346                         csc = indirect_read(i,I365_CSC); /* card status change register */
347                         
348                         if (csc==0)  /* no events on this socket */
349                                 continue;
350                         handled = 1;
351                         events = 0;
352                          
353                         if (csc & I365_CSC_DETECT) {
354                                 events |= SS_DETECT;
355                                 printk("Card detected in socket %i!\n",i);
356                          }
357                         
358                         if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) { 
359                                 /* For IO/CARDS, bit 0 means "read the card" */
360                                 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 
361                         } else {
362                                 /* Check for battery/ready events */
363                                 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
364                                 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
365                                 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
366                         }
367                         
368                         if (events) {
369                                 pcmcia_parse_events(&sockets[i].socket, events);
370                         }
371                         active |= events;
372                 }
373                                 
374                 if (active==0) /* no more events to handle */
375                         break;                          
376                 
377         }
378         return IRQ_RETVAL(handled);
379 /*      leave("i82092aa_interrupt");*/
380 }
381
382
383
384 /* socket functions */
385
386 static int card_present(int socketno)
387 {       
388         unsigned int val;
389         enter("card_present");
390         
391         if ((socketno<0) || (socketno >= MAX_SOCKETS))
392                 return 0;
393         if (sockets[socketno].io_base == 0)
394                 return 0;
395
396                 
397         val = indirect_read(socketno, 1); /* Interface status register */
398         if ((val&12)==12) {
399                 leave("card_present 1");
400                 return 1;
401         }
402                 
403         leave("card_present 0");
404         return 0;
405 }
406
407 static void set_bridge_state(int sock)
408 {
409         enter("set_bridge_state");
410         indirect_write(sock, I365_GBLCTL,0x00);
411         indirect_write(sock, I365_GENCTL,0x00);
412         
413         indirect_setbit(sock, I365_INTCTL,0x08);
414         leave("set_bridge_state");
415 }
416
417
418
419
420
421       
422 static int i82092aa_init(struct pcmcia_socket *sock)
423 {
424         int i;
425         struct resource res = { .start = 0, .end = 0x0fff };
426         pccard_io_map io = { 0, 0, 0, 0, 1 };
427         pccard_mem_map mem = { .res = &res, };
428         
429         enter("i82092aa_init");
430                         
431         for (i = 0; i < 2; i++) {
432                 io.map = i;
433                 i82092aa_set_io_map(sock, &io);
434         }
435         for (i = 0; i < 5; i++) {
436                 mem.map = i;
437                 i82092aa_set_mem_map(sock, &mem);
438         }
439         
440         leave("i82092aa_init");
441         return 0;
442 }
443                                                                                                                                                                                                                                               
444 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
445 {
446         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
447         unsigned int status;
448         
449         enter("i82092aa_get_status");
450         
451         status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
452         *value = 0;
453         
454         if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
455                 *value |= SS_DETECT;
456         }
457                 
458         /* IO cards have a different meaning of bits 0,1 */
459         /* Also notice the inverse-logic on the bits */
460          if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
461                 /* IO card */
462                 if (!(status & I365_CS_STSCHG))
463                         *value |= SS_STSCHG;
464          } else { /* non I/O card */
465                 if (!(status & I365_CS_BVD1))
466                         *value |= SS_BATDEAD;
467                 if (!(status & I365_CS_BVD2))
468                         *value |= SS_BATWARN;
469                         
470          }
471          
472          if (status & I365_CS_WRPROT)
473                 (*value) |= SS_WRPROT;  /* card is write protected */
474          
475          if (status & I365_CS_READY)
476                 (*value) |= SS_READY;    /* card is not busy */
477                 
478          if (status & I365_CS_POWERON)
479                 (*value) |= SS_POWERON;  /* power is applied to the card */
480
481
482         leave("i82092aa_get_status");
483         return 0;
484 }
485
486
487 static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state) 
488 {
489         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
490         unsigned char reg;
491         
492         enter("i82092aa_set_socket");
493         
494         /* First, set the global controller options */
495         
496         set_bridge_state(sock);
497         
498         /* Values for the IGENC register */
499         
500         reg = 0;
501         if (!(state->flags & SS_RESET))         /* The reset bit has "inverse" logic */
502                 reg = reg | I365_PC_RESET;  
503         if (state->flags & SS_IOCARD) 
504                 reg = reg | I365_PC_IOCARD;
505                 
506         indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
507         
508         /* Power registers */
509         
510         reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
511         
512         if (state->flags & SS_PWR_AUTO) {
513                 printk("Auto power\n");
514                 reg |= I365_PWR_AUTO;   /* automatic power mngmnt */
515         }
516         if (state->flags & SS_OUTPUT_ENA) {
517                 printk("Power Enabled \n");
518                 reg |= I365_PWR_OUT;    /* enable power */
519         }
520         
521         switch (state->Vcc) {
522                 case 0: 
523                         break;
524                 case 50: 
525                         printk("setting voltage to Vcc to 5V on socket %i\n",sock);
526                         reg |= I365_VCC_5V;
527                         break;
528                 default:
529                         printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
530                         leave("i82092aa_set_socket");
531                         return -EINVAL;
532         }
533         
534         
535         switch (state->Vpp) {
536                 case 0: 
537                         printk("not setting Vpp on socket %i\n",sock);
538                         break;
539                 case 50: 
540                         printk("setting Vpp to 5.0 for socket %i\n",sock);
541                         reg |= I365_VPP1_5V | I365_VPP2_5V;
542                         break;
543                 case 120: 
544                         printk("setting Vpp to 12.0\n");
545                         reg |= I365_VPP1_12V | I365_VPP2_12V;
546                         break;
547                 default:
548                         printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
549                         leave("i82092aa_set_socket");
550                         return -EINVAL;
551         }
552         
553         if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
554                 indirect_write(sock,I365_POWER,reg);
555                 
556         /* Enable specific interrupt events */
557         
558         reg = 0x00;
559         if (state->csc_mask & SS_DETECT) {
560                 reg |= I365_CSC_DETECT;
561         }
562         if (state->flags & SS_IOCARD) {
563                 if (state->csc_mask & SS_STSCHG)
564                         reg |= I365_CSC_STSCHG;
565         } else {
566                 if (state->csc_mask & SS_BATDEAD) 
567                         reg |= I365_CSC_BVD1;
568                 if (state->csc_mask & SS_BATWARN) 
569                         reg |= I365_CSC_BVD2;
570                 if (state->csc_mask & SS_READY) 
571                         reg |= I365_CSC_READY; 
572                                         
573         }
574         
575         /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
576         
577         indirect_write(sock,I365_CSCINT,reg);
578         (void)indirect_read(sock,I365_CSC);
579
580         leave("i82092aa_set_socket");
581         return 0;
582 }
583
584 static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
585 {
586         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
587         unsigned char map, ioctl;
588         
589         enter("i82092aa_set_io_map");
590         
591         map = io->map;
592         
593         /* Check error conditions */    
594         if (map > 1) {
595                 leave("i82092aa_set_io_map with invalid map");
596                 return -EINVAL;
597         }
598         if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
599                 leave("i82092aa_set_io_map with invalid io");
600                 return -EINVAL;
601         }
602
603         /* Turn off the window before changing anything */ 
604         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
605                 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
606
607 /*      printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
608         
609         /* write the new values */
610         indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);             
611         indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);               
612                         
613         ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
614         
615         if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
616                 ioctl |= I365_IOCTL_16BIT(map);
617                 
618         indirect_write(sock,I365_IOCTL,ioctl);
619         
620         /* Turn the window back on if needed */
621         if (io->flags & MAP_ACTIVE)
622                 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
623                         
624         leave("i82092aa_set_io_map");   
625         return 0;
626 }
627
628 static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
629 {
630         struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
631         unsigned int sock = sock_info->number;
632         struct pci_bus_region region;
633         unsigned short base, i;
634         unsigned char map;
635         
636         enter("i82092aa_set_mem_map");
637
638         pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
639         
640         map = mem->map;
641         if (map > 4) {
642                 leave("i82092aa_set_mem_map: invalid map");
643                 return -EINVAL;
644         }
645         
646         
647         if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
648              (mem->speed > 1000) ) {
649                 leave("i82092aa_set_mem_map: invalid address / speed");
650                 printk("invalid mem map for socket %i: %llx to %llx with a "
651                         "start of %x\n",
652                         sock,
653                         (unsigned long long)region.start,
654                         (unsigned long long)region.end,
655                         mem->card_start);
656                 return -EINVAL;
657         }
658         
659         /* Turn off the window before changing anything */
660         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
661                       indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
662                          
663                          
664 /*      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);  */
665
666         /* write the start address */
667         base = I365_MEM(map);
668         i = (region.start >> 12) & 0x0fff;
669         if (mem->flags & MAP_16BIT) 
670                 i |= I365_MEM_16BIT;
671         if (mem->flags & MAP_0WS)
672                 i |= I365_MEM_0WS;      
673         indirect_write16(sock,base+I365_W_START,i);
674                                
675         /* write the stop address */
676         
677         i= (region.end >> 12) & 0x0fff;
678         switch (to_cycles(mem->speed)) {
679                 case 0:
680                         break;
681                 case 1:
682                         i |= I365_MEM_WS0;
683                         break;
684                 case 2:
685                         i |= I365_MEM_WS1;
686                         break;
687                 default:
688                         i |= I365_MEM_WS1 | I365_MEM_WS0;
689                         break;
690         }
691         
692         indirect_write16(sock,base+I365_W_STOP,i);
693         
694         /* card start */
695         
696         i = ((mem->card_start - region.start) >> 12) & 0x3fff;
697         if (mem->flags & MAP_WRPROT)
698                 i |= I365_MEM_WRPROT;
699         if (mem->flags & MAP_ATTRIB) {
700 /*              printk("requesting attribute memory for socket %i\n",sock);*/
701                 i |= I365_MEM_REG;
702         } else {
703 /*              printk("requesting normal memory for socket %i\n",sock);*/
704         }
705         indirect_write16(sock,base+I365_W_OFF,i);
706         
707         /* Enable the window if necessary */
708         if (mem->flags & MAP_ACTIVE)
709                 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
710                     
711         leave("i82092aa_set_mem_map");
712         return 0;
713 }
714
715 static int i82092aa_module_init(void)
716 {
717         return pci_register_driver(&i82092aa_pci_driver);
718 }
719
720 static void i82092aa_module_exit(void)
721 {
722         enter("i82092aa_module_exit");
723         pci_unregister_driver(&i82092aa_pci_driver);
724         if (sockets[0].io_base>0)
725                          release_region(sockets[0].io_base, 2);
726         leave("i82092aa_module_exit");
727 }
728
729 module_init(i82092aa_module_init);
730 module_exit(i82092aa_module_exit);
731