pcmcia: remove CVS keywords
[linux-3.10.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
10 #include <linux/kernel.h>
11 #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
18 #include <pcmcia/cs_types.h>
19 #include <pcmcia/ss.h>
20 #include <pcmcia/cs.h>
21
22 #include <asm/system.h>
23 #include <asm/io.h>
24
25 #include "i82092aa.h"
26 #include "i82365.h"
27
28 MODULE_LICENSE("GPL");
29
30 /* PCI core routines */
31 static struct pci_device_id i82092aa_pci_ids[] = {
32         {
33               .vendor = PCI_VENDOR_ID_INTEL,
34               .device = PCI_DEVICE_ID_INTEL_82092AA_0,
35               .subvendor = PCI_ANY_ID,
36               .subdevice = PCI_ANY_ID,
37          },
38          {} 
39 };
40 MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
41
42 #ifdef CONFIG_PM
43 static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state)
44 {
45         return pcmcia_socket_dev_suspend(&dev->dev, state);
46 }
47
48 static int i82092aa_socket_resume (struct pci_dev *dev)
49 {
50         return pcmcia_socket_dev_resume(&dev->dev);
51 }
52 #endif
53
54 static struct pci_driver i82092aa_pci_driver = {
55         .name           = "i82092aa",
56         .id_table       = i82092aa_pci_ids,
57         .probe          = i82092aa_pci_probe,
58         .remove         = __devexit_p(i82092aa_pci_remove),
59 #ifdef CONFIG_PM
60         .suspend        = i82092aa_socket_suspend,
61         .resume         = i82092aa_socket_resume,
62 #endif
63 };
64
65
66 /* the pccard structure and its functions */
67 static struct pccard_operations i82092aa_operations = {
68         .init                   = i82092aa_init,
69         .get_status             = i82092aa_get_status,
70         .set_socket             = i82092aa_set_socket,
71         .set_io_map             = i82092aa_set_io_map,
72         .set_mem_map            = i82092aa_set_mem_map,
73 };
74
75 /* The card can do upto 4 sockets, allocate a structure for each of them */
76
77 struct socket_info {
78         int     number;
79         int     card_state;     /*  0 = no socket,
80                                     1 = empty socket, 
81                                     2 = card but not initialized,
82                                     3 = operational card */
83         unsigned int io_base;   /* base io address of the socket */
84         
85         struct pcmcia_socket socket;
86         struct pci_dev *dev;    /* The PCI device for the socket */
87 };
88
89 #define MAX_SOCKETS 4
90 static struct socket_info sockets[MAX_SOCKETS];
91 static int socket_count;  /* shortcut */                                                                                
92
93
94 static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
95 {
96         unsigned char configbyte;
97         int i, ret;
98         
99         enter("i82092aa_pci_probe");
100         
101         if ((ret = pci_enable_device(dev)))
102                 return ret;
103                 
104         pci_read_config_byte(dev, 0x40, &configbyte);  /* PCI Configuration Control */
105         switch(configbyte&6) {
106                 case 0:
107                         socket_count = 2;
108                         break;
109                 case 2:
110                         socket_count = 1;
111                         break;
112                 case 4:
113                 case 6:
114                         socket_count = 4;
115                         break;
116                         
117                 default:
118                         printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n");
119                         ret = -EIO;
120                         goto err_out_disable;
121         }
122         printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count);
123
124         if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) {
125                 ret = -EBUSY;
126                 goto err_out_disable;
127         }
128         
129         for (i = 0;i<socket_count;i++) {
130                 sockets[i].card_state = 1; /* 1 = present but empty */
131                 sockets[i].io_base = pci_resource_start(dev, 0);
132                 sockets[i].socket.features |= SS_CAP_PCCARD;
133                 sockets[i].socket.map_size = 0x1000;
134                 sockets[i].socket.irq_mask = 0;
135                 sockets[i].socket.pci_irq  = dev->irq;
136                 sockets[i].socket.owner = THIS_MODULE;
137
138                 sockets[i].number = i;
139                 
140                 if (card_present(i)) {
141                         sockets[i].card_state = 3;
142                         dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i);
143                 } else {
144                         dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i);
145                 }
146         }
147                 
148         /* Now, specifiy that all interrupts are to be done as PCI interrupts */
149         configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */
150         pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */
151
152         /* Register the interrupt handler */
153         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
154         if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
155                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
156                 goto err_out_free_res;
157         }
158
159         pci_set_drvdata(dev, &sockets[i].socket);
160
161         for (i = 0; i<socket_count; i++) {
162                 sockets[i].socket.dev.parent = &dev->dev;
163                 sockets[i].socket.ops = &i82092aa_operations;
164                 sockets[i].socket.resource_ops = &pccard_nonstatic_ops;
165                 ret = pcmcia_register_socket(&sockets[i].socket);
166                 if (ret) {
167                         goto err_out_free_sockets;
168                 }
169         }
170
171         leave("i82092aa_pci_probe");
172         return 0;
173
174 err_out_free_sockets:
175         if (i) {
176                 for (i--;i>=0;i--) {
177                         pcmcia_unregister_socket(&sockets[i].socket);
178                 }
179         }
180         free_irq(dev->irq, i82092aa_interrupt);
181 err_out_free_res:
182         release_region(pci_resource_start(dev, 0), 2);
183 err_out_disable:
184         pci_disable_device(dev);
185         return ret;                     
186 }
187
188 static void __devexit i82092aa_pci_remove(struct pci_dev *dev)
189 {
190         struct pcmcia_socket *socket = pci_get_drvdata(dev);
191
192         enter("i82092aa_pci_remove");
193         
194         free_irq(dev->irq, i82092aa_interrupt);
195
196         if (socket)
197                 pcmcia_unregister_socket(socket);
198
199         leave("i82092aa_pci_remove");
200 }
201
202 static DEFINE_SPINLOCK(port_lock);
203
204 /* basic value read/write functions */
205
206 static unsigned char indirect_read(int socket, unsigned short reg)
207 {
208         unsigned short int port;
209         unsigned char val;
210         unsigned long flags;
211         spin_lock_irqsave(&port_lock,flags);
212         reg += socket * 0x40;
213         port = sockets[socket].io_base;
214         outb(reg,port);
215         val = inb(port+1);
216         spin_unlock_irqrestore(&port_lock,flags);
217         return val;
218 }
219
220 #if 0
221 static unsigned short indirect_read16(int socket, unsigned short reg)
222 {
223         unsigned short int port;
224         unsigned short tmp;
225         unsigned long flags;
226         spin_lock_irqsave(&port_lock,flags);
227         reg  = reg + socket * 0x40;
228         port = sockets[socket].io_base;
229         outb(reg,port);
230         tmp = inb(port+1);
231         reg++;
232         outb(reg,port);
233         tmp = tmp | (inb(port+1)<<8);
234         spin_unlock_irqrestore(&port_lock,flags);
235         return tmp;
236 }
237 #endif
238
239 static void indirect_write(int socket, unsigned short reg, unsigned char value)
240 {
241         unsigned short int port;
242         unsigned long flags;
243         spin_lock_irqsave(&port_lock,flags);
244         reg = reg + socket * 0x40;
245         port = sockets[socket].io_base; 
246         outb(reg,port);
247         outb(value,port+1);
248         spin_unlock_irqrestore(&port_lock,flags);
249 }
250
251 static void indirect_setbit(int socket, unsigned short reg, unsigned char mask)
252 {
253         unsigned short int port;
254         unsigned char val;
255         unsigned long flags;
256         spin_lock_irqsave(&port_lock,flags);
257         reg = reg + socket * 0x40;
258         port = sockets[socket].io_base; 
259         outb(reg,port);
260         val = inb(port+1);
261         val |= mask;
262         outb(reg,port);
263         outb(val,port+1);
264         spin_unlock_irqrestore(&port_lock,flags);
265 }
266
267
268 static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask)
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         outb(reg,port);
277         val = inb(port+1);
278         val &= ~mask;
279         outb(reg,port);
280         outb(val,port+1);
281         spin_unlock_irqrestore(&port_lock,flags);
282 }
283
284 static void indirect_write16(int socket, unsigned short reg, unsigned short value)
285 {
286         unsigned short int port;
287         unsigned char val;
288         unsigned long flags;
289         spin_lock_irqsave(&port_lock,flags);
290         reg = reg + socket * 0x40;
291         port = sockets[socket].io_base; 
292         
293         outb(reg,port);
294         val = value & 255;
295         outb(val,port+1);
296         
297         reg++;
298         
299         outb(reg,port);
300         val = value>>8;
301         outb(val,port+1);
302         spin_unlock_irqrestore(&port_lock,flags);
303 }
304
305 /* simple helper functions */
306 /* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
307 static int cycle_time = 120;
308
309 static int to_cycles(int ns)
310 {
311         if (cycle_time!=0)
312                 return ns/cycle_time;
313         else
314                 return 0;
315 }
316     
317
318 /* Interrupt handler functionality */
319
320 static irqreturn_t i82092aa_interrupt(int irq, void *dev)
321 {
322         int i;
323         int loopcount = 0;
324         int handled = 0;
325
326         unsigned int events, active=0;
327         
328 /*      enter("i82092aa_interrupt");*/
329         
330         while (1) {
331                 loopcount++;
332                 if (loopcount>20) {
333                         printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n");
334                         break;
335                 }
336                 
337                 active = 0;
338                 
339                 for (i=0;i<socket_count;i++) {
340                         int csc;
341                         if (sockets[i].card_state==0) /* Inactive socket, should not happen */
342                                 continue;
343                         
344                         csc = indirect_read(i,I365_CSC); /* card status change register */
345                         
346                         if (csc==0)  /* no events on this socket */
347                                 continue;
348                         handled = 1;
349                         events = 0;
350                          
351                         if (csc & I365_CSC_DETECT) {
352                                 events |= SS_DETECT;
353                                 printk("Card detected in socket %i!\n",i);
354                          }
355                         
356                         if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) { 
357                                 /* For IO/CARDS, bit 0 means "read the card" */
358                                 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 
359                         } else {
360                                 /* Check for battery/ready events */
361                                 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
362                                 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
363                                 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
364                         }
365                         
366                         if (events) {
367                                 pcmcia_parse_events(&sockets[i].socket, events);
368                         }
369                         active |= events;
370                 }
371                                 
372                 if (active==0) /* no more events to handle */
373                         break;                          
374                 
375         }
376         return IRQ_RETVAL(handled);
377 /*      leave("i82092aa_interrupt");*/
378 }
379
380
381
382 /* socket functions */
383
384 static int card_present(int socketno)
385 {       
386         unsigned int val;
387         enter("card_present");
388         
389         if ((socketno<0) || (socketno >= MAX_SOCKETS))
390                 return 0;
391         if (sockets[socketno].io_base == 0)
392                 return 0;
393
394                 
395         val = indirect_read(socketno, 1); /* Interface status register */
396         if ((val&12)==12) {
397                 leave("card_present 1");
398                 return 1;
399         }
400                 
401         leave("card_present 0");
402         return 0;
403 }
404
405 static void set_bridge_state(int sock)
406 {
407         enter("set_bridge_state");
408         indirect_write(sock, I365_GBLCTL,0x00);
409         indirect_write(sock, I365_GENCTL,0x00);
410         
411         indirect_setbit(sock, I365_INTCTL,0x08);
412         leave("set_bridge_state");
413 }
414
415
416
417
418
419       
420 static int i82092aa_init(struct pcmcia_socket *sock)
421 {
422         int i;
423         struct resource res = { .start = 0, .end = 0x0fff };
424         pccard_io_map io = { 0, 0, 0, 0, 1 };
425         pccard_mem_map mem = { .res = &res, };
426         
427         enter("i82092aa_init");
428                         
429         for (i = 0; i < 2; i++) {
430                 io.map = i;
431                 i82092aa_set_io_map(sock, &io);
432         }
433         for (i = 0; i < 5; i++) {
434                 mem.map = i;
435                 i82092aa_set_mem_map(sock, &mem);
436         }
437         
438         leave("i82092aa_init");
439         return 0;
440 }
441                                                                                                                                                                                                                                               
442 static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value)
443 {
444         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
445         unsigned int status;
446         
447         enter("i82092aa_get_status");
448         
449         status = indirect_read(sock,I365_STATUS); /* Interface Status Register */
450         *value = 0;
451         
452         if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
453                 *value |= SS_DETECT;
454         }
455                 
456         /* IO cards have a different meaning of bits 0,1 */
457         /* Also notice the inverse-logic on the bits */
458          if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) {
459                 /* IO card */
460                 if (!(status & I365_CS_STSCHG))
461                         *value |= SS_STSCHG;
462          } else { /* non I/O card */
463                 if (!(status & I365_CS_BVD1))
464                         *value |= SS_BATDEAD;
465                 if (!(status & I365_CS_BVD2))
466                         *value |= SS_BATWARN;
467                         
468          }
469          
470          if (status & I365_CS_WRPROT)
471                 (*value) |= SS_WRPROT;  /* card is write protected */
472          
473          if (status & I365_CS_READY)
474                 (*value) |= SS_READY;    /* card is not busy */
475                 
476          if (status & I365_CS_POWERON)
477                 (*value) |= SS_POWERON;  /* power is applied to the card */
478
479
480         leave("i82092aa_get_status");
481         return 0;
482 }
483
484
485 static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state) 
486 {
487         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
488         unsigned char reg;
489         
490         enter("i82092aa_set_socket");
491         
492         /* First, set the global controller options */
493         
494         set_bridge_state(sock);
495         
496         /* Values for the IGENC register */
497         
498         reg = 0;
499         if (!(state->flags & SS_RESET))         /* The reset bit has "inverse" logic */
500                 reg = reg | I365_PC_RESET;  
501         if (state->flags & SS_IOCARD) 
502                 reg = reg | I365_PC_IOCARD;
503                 
504         indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */
505         
506         /* Power registers */
507         
508         reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
509         
510         if (state->flags & SS_PWR_AUTO) {
511                 printk("Auto power\n");
512                 reg |= I365_PWR_AUTO;   /* automatic power mngmnt */
513         }
514         if (state->flags & SS_OUTPUT_ENA) {
515                 printk("Power Enabled \n");
516                 reg |= I365_PWR_OUT;    /* enable power */
517         }
518         
519         switch (state->Vcc) {
520                 case 0: 
521                         break;
522                 case 50: 
523                         printk("setting voltage to Vcc to 5V on socket %i\n",sock);
524                         reg |= I365_VCC_5V;
525                         break;
526                 default:
527                         printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc);
528                         leave("i82092aa_set_socket");
529                         return -EINVAL;
530         }
531         
532         
533         switch (state->Vpp) {
534                 case 0: 
535                         printk("not setting Vpp on socket %i\n",sock);
536                         break;
537                 case 50: 
538                         printk("setting Vpp to 5.0 for socket %i\n",sock);
539                         reg |= I365_VPP1_5V | I365_VPP2_5V;
540                         break;
541                 case 120: 
542                         printk("setting Vpp to 12.0\n");
543                         reg |= I365_VPP1_12V | I365_VPP2_12V;
544                         break;
545                 default:
546                         printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc);
547                         leave("i82092aa_set_socket");
548                         return -EINVAL;
549         }
550         
551         if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
552                 indirect_write(sock,I365_POWER,reg);
553                 
554         /* Enable specific interrupt events */
555         
556         reg = 0x00;
557         if (state->csc_mask & SS_DETECT) {
558                 reg |= I365_CSC_DETECT;
559         }
560         if (state->flags & SS_IOCARD) {
561                 if (state->csc_mask & SS_STSCHG)
562                         reg |= I365_CSC_STSCHG;
563         } else {
564                 if (state->csc_mask & SS_BATDEAD) 
565                         reg |= I365_CSC_BVD1;
566                 if (state->csc_mask & SS_BATWARN) 
567                         reg |= I365_CSC_BVD2;
568                 if (state->csc_mask & SS_READY) 
569                         reg |= I365_CSC_READY; 
570                                         
571         }
572         
573         /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/
574         
575         indirect_write(sock,I365_CSCINT,reg);
576         (void)indirect_read(sock,I365_CSC);
577
578         leave("i82092aa_set_socket");
579         return 0;
580 }
581
582 static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io)
583 {
584         unsigned int sock = container_of(socket, struct socket_info, socket)->number;
585         unsigned char map, ioctl;
586         
587         enter("i82092aa_set_io_map");
588         
589         map = io->map;
590         
591         /* Check error conditions */    
592         if (map > 1) {
593                 leave("i82092aa_set_io_map with invalid map");
594                 return -EINVAL;
595         }
596         if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){
597                 leave("i82092aa_set_io_map with invalid io");
598                 return -EINVAL;
599         }
600
601         /* Turn off the window before changing anything */ 
602         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
603                 indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
604
605 /*      printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop);  */
606         
607         /* write the new values */
608         indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);             
609         indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);               
610                         
611         ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
612         
613         if (io->flags & (MAP_16BIT|MAP_AUTOSZ))
614                 ioctl |= I365_IOCTL_16BIT(map);
615                 
616         indirect_write(sock,I365_IOCTL,ioctl);
617         
618         /* Turn the window back on if needed */
619         if (io->flags & MAP_ACTIVE)
620                 indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
621                         
622         leave("i82092aa_set_io_map");   
623         return 0;
624 }
625
626 static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem)
627 {
628         struct socket_info *sock_info = container_of(socket, struct socket_info, socket);
629         unsigned int sock = sock_info->number;
630         struct pci_bus_region region;
631         unsigned short base, i;
632         unsigned char map;
633         
634         enter("i82092aa_set_mem_map");
635
636         pcibios_resource_to_bus(sock_info->dev, &region, mem->res);
637         
638         map = mem->map;
639         if (map > 4) {
640                 leave("i82092aa_set_mem_map: invalid map");
641                 return -EINVAL;
642         }
643         
644         
645         if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) ||
646              (mem->speed > 1000) ) {
647                 leave("i82092aa_set_mem_map: invalid address / speed");
648                 printk("invalid mem map for socket %i: %llx to %llx with a "
649                         "start of %x\n",
650                         sock,
651                         (unsigned long long)region.start,
652                         (unsigned long long)region.end,
653                         mem->card_start);
654                 return -EINVAL;
655         }
656         
657         /* Turn off the window before changing anything */
658         if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
659                       indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
660                          
661                          
662 /*      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);  */
663
664         /* write the start address */
665         base = I365_MEM(map);
666         i = (region.start >> 12) & 0x0fff;
667         if (mem->flags & MAP_16BIT) 
668                 i |= I365_MEM_16BIT;
669         if (mem->flags & MAP_0WS)
670                 i |= I365_MEM_0WS;      
671         indirect_write16(sock,base+I365_W_START,i);
672                                
673         /* write the stop address */
674         
675         i= (region.end >> 12) & 0x0fff;
676         switch (to_cycles(mem->speed)) {
677                 case 0:
678                         break;
679                 case 1:
680                         i |= I365_MEM_WS0;
681                         break;
682                 case 2:
683                         i |= I365_MEM_WS1;
684                         break;
685                 default:
686                         i |= I365_MEM_WS1 | I365_MEM_WS0;
687                         break;
688         }
689         
690         indirect_write16(sock,base+I365_W_STOP,i);
691         
692         /* card start */
693         
694         i = ((mem->card_start - region.start) >> 12) & 0x3fff;
695         if (mem->flags & MAP_WRPROT)
696                 i |= I365_MEM_WRPROT;
697         if (mem->flags & MAP_ATTRIB) {
698 /*              printk("requesting attribute memory for socket %i\n",sock);*/
699                 i |= I365_MEM_REG;
700         } else {
701 /*              printk("requesting normal memory for socket %i\n",sock);*/
702         }
703         indirect_write16(sock,base+I365_W_OFF,i);
704         
705         /* Enable the window if necessary */
706         if (mem->flags & MAP_ACTIVE)
707                 indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
708                     
709         leave("i82092aa_set_mem_map");
710         return 0;
711 }
712
713 static int i82092aa_module_init(void)
714 {
715         return pci_register_driver(&i82092aa_pci_driver);
716 }
717
718 static void i82092aa_module_exit(void)
719 {
720         enter("i82092aa_module_exit");
721         pci_unregister_driver(&i82092aa_pci_driver);
722         if (sockets[0].io_base>0)
723                          release_region(sockets[0].io_base, 2);
724         leave("i82092aa_module_exit");
725 }
726
727 module_init(i82092aa_module_init);
728 module_exit(i82092aa_module_exit);
729