Driver core: more fallout from class_device changes for pcmcia
[linux-2.6.git] / drivers / pcmcia / vrc4171_card.c
1 /*
2  * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services.
3  *
4  * Copyright (C) 2003-2005  Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 #include <linux/init.h>
21 #include <linux/ioport.h>
22 #include <linux/interrupt.h>
23 #include <linux/module.h>
24 #include <linux/spinlock.h>
25 #include <linux/types.h>
26 #include <linux/platform_device.h>
27
28 #include <asm/io.h>
29
30 #include <pcmcia/ss.h>
31
32 #include "i82365.h"
33
34 MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services");
35 MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
36 MODULE_LICENSE("GPL");
37
38 #define CARD_MAX_SLOTS          2
39 #define CARD_SLOTA              0
40 #define CARD_SLOTB              1
41 #define CARD_SLOTB_OFFSET       0x40
42
43 #define CARD_MEM_START          0x10000000
44 #define CARD_MEM_END            0x13ffffff
45 #define CARD_MAX_MEM_OFFSET     0x3ffffff
46 #define CARD_MAX_MEM_SPEED      1000
47
48 #define CARD_CONTROLLER_INDEX   0x03e0
49 #define CARD_CONTROLLER_DATA    0x03e1
50  /* Power register */
51   #define VPP_GET_VCC           0x01
52   #define POWER_ENABLE          0x10
53  #define CARD_VOLTAGE_SENSE     0x1f
54   #define VCC_3VORXV_CAPABLE    0x00
55   #define VCC_XV_ONLY           0x01
56   #define VCC_3V_CAPABLE        0x02
57   #define VCC_5V_ONLY           0x03
58  #define CARD_VOLTAGE_SELECT    0x2f
59   #define VCC_3V                0x01
60   #define VCC_5V                0x00
61   #define VCC_XV                0x02
62   #define VCC_STATUS_3V         0x02
63   #define VCC_STATUS_5V         0x01
64   #define VCC_STATUS_XV         0x03
65  #define GLOBAL_CONTROL         0x1e
66   #define EXWRBK                0x04
67   #define IRQPM_EN              0x08
68   #define CLRPMIRQ              0x10
69
70 #define INTERRUPT_STATUS        0x05fa
71  #define IRQ_A                  0x02
72  #define IRQ_B                  0x04
73
74 #define CONFIGURATION1          0x05fe
75  #define SLOTB_CONFIG           0xc000
76  #define SLOTB_NONE             0x0000
77  #define SLOTB_PCCARD           0x4000
78  #define SLOTB_CF               0x8000
79  #define SLOTB_FLASHROM         0xc000
80
81 #define CARD_CONTROLLER_START   CARD_CONTROLLER_INDEX
82 #define CARD_CONTROLLER_END     CARD_CONTROLLER_DATA
83
84 #define IO_MAX_MAPS     2
85 #define MEM_MAX_MAPS    5
86
87 typedef enum {
88         SLOT_PROBE = 0,
89         SLOT_NOPROBE_IO,
90         SLOT_NOPROBE_MEM,
91         SLOT_NOPROBE_ALL,
92         SLOT_INITIALIZED,
93 } vrc4171_slot_t;
94
95 typedef enum {
96         SLOTB_IS_NONE,
97         SLOTB_IS_PCCARD,
98         SLOTB_IS_CF,
99         SLOTB_IS_FLASHROM,
100 } vrc4171_slotb_t;
101
102 typedef struct vrc4171_socket {
103         vrc4171_slot_t slot;
104         struct pcmcia_socket pcmcia_socket;
105         char name[24];
106         int csc_irq;
107         int io_irq;
108 } vrc4171_socket_t;
109
110 static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS];
111 static vrc4171_slotb_t vrc4171_slotb = SLOTB_IS_NONE;
112 static char vrc4171_card_name[] = "NEC VRC4171 Card Controller";
113 static unsigned int vrc4171_irq;
114 static uint16_t vrc4171_irq_mask = 0xdeb8;
115
116 static struct resource vrc4171_card_resource[3] = {
117         {       .name           = vrc4171_card_name,
118                 .start          = CARD_CONTROLLER_START,
119                 .end            = CARD_CONTROLLER_END,
120                 .flags          = IORESOURCE_IO,        },
121         {       .name           = vrc4171_card_name,
122                 .start          = INTERRUPT_STATUS,
123                 .end            = INTERRUPT_STATUS,
124                 .flags          = IORESOURCE_IO,        },
125         {       .name           = vrc4171_card_name,
126                 .start          = CONFIGURATION1,
127                 .end            = CONFIGURATION1,
128                 .flags          = IORESOURCE_IO,        },
129 };
130
131 static struct platform_device vrc4171_card_device = {
132         .name           = vrc4171_card_name,
133         .id             = 0,
134         .num_resources  = 3,
135         .resource       = vrc4171_card_resource,
136 };
137
138 static inline uint16_t vrc4171_get_irq_status(void)
139 {
140         return inw(INTERRUPT_STATUS);
141 }
142
143 static inline void vrc4171_set_multifunction_pin(vrc4171_slotb_t config)
144 {
145         uint16_t config1;
146
147         config1 = inw(CONFIGURATION1);
148         config1 &= ~SLOTB_CONFIG;
149
150         switch (config) {
151         case SLOTB_IS_NONE:
152                 config1 |= SLOTB_NONE;
153                 break;
154         case SLOTB_IS_PCCARD:
155                 config1 |= SLOTB_PCCARD;
156                 break;
157         case SLOTB_IS_CF:
158                 config1 |= SLOTB_CF;
159                 break;
160         case SLOTB_IS_FLASHROM:
161                 config1 |= SLOTB_FLASHROM;
162                 break;
163         default:
164                 break;
165         }
166
167         outw(config1, CONFIGURATION1);
168 }
169
170 static inline uint8_t exca_read_byte(int slot, uint8_t index)
171 {
172         if (slot == CARD_SLOTB)
173                 index += CARD_SLOTB_OFFSET;
174
175         outb(index, CARD_CONTROLLER_INDEX);
176         return inb(CARD_CONTROLLER_DATA);
177 }
178
179 static inline uint16_t exca_read_word(int slot, uint8_t index)
180 {
181         uint16_t data;
182
183         if (slot == CARD_SLOTB)
184                 index += CARD_SLOTB_OFFSET;
185
186         outb(index++, CARD_CONTROLLER_INDEX);
187         data = inb(CARD_CONTROLLER_DATA);
188
189         outb(index, CARD_CONTROLLER_INDEX);
190         data |= ((uint16_t)inb(CARD_CONTROLLER_DATA)) << 8;
191
192         return data;
193 }
194
195 static inline uint8_t exca_write_byte(int slot, uint8_t index, uint8_t data)
196 {
197         if (slot == CARD_SLOTB)
198                 index += CARD_SLOTB_OFFSET;
199
200         outb(index, CARD_CONTROLLER_INDEX);
201         outb(data, CARD_CONTROLLER_DATA);
202
203         return data;
204 }
205
206 static inline uint16_t exca_write_word(int slot, uint8_t index, uint16_t data)
207 {
208         if (slot == CARD_SLOTB)
209                 index += CARD_SLOTB_OFFSET;
210
211         outb(index++, CARD_CONTROLLER_INDEX);
212         outb(data, CARD_CONTROLLER_DATA);
213
214         outb(index, CARD_CONTROLLER_INDEX);
215         outb((uint8_t)(data >> 8), CARD_CONTROLLER_DATA);
216
217         return data;
218 }
219
220 static inline int search_nonuse_irq(void)
221 {
222         int i;
223
224         for (i = 0; i < 16; i++) {
225                 if (vrc4171_irq_mask & (1 << i)) {
226                         vrc4171_irq_mask &= ~(1 << i);
227                         return i;
228                 }
229         }
230
231         return -1;
232 }
233
234 static int pccard_init(struct pcmcia_socket *sock)
235 {
236         vrc4171_socket_t *socket;
237         unsigned int slot;
238
239         sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;
240         sock->irq_mask = 0;
241         sock->map_size = 0x1000;
242         sock->pci_irq = vrc4171_irq;
243
244         slot = sock->sock;
245         socket = &vrc4171_sockets[slot];
246         socket->csc_irq = search_nonuse_irq();
247         socket->io_irq = search_nonuse_irq();
248
249         return 0;
250 }
251
252 static int pccard_get_status(struct pcmcia_socket *sock, u_int *value)
253 {
254         unsigned int slot;
255         uint8_t status, sense;
256         u_int val = 0;
257
258         if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL)
259                 return -EINVAL;
260
261         slot = sock->sock;
262
263         status = exca_read_byte(slot, I365_STATUS);
264         if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
265                 if (status & I365_CS_STSCHG)
266                         val |= SS_STSCHG;
267         } else {
268                 if (!(status & I365_CS_BVD1))
269                         val |= SS_BATDEAD;
270                 else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
271                         val |= SS_BATWARN;
272         }
273         if ((status & I365_CS_DETECT) == I365_CS_DETECT)
274                 val |= SS_DETECT;
275         if (status & I365_CS_WRPROT)
276                 val |= SS_WRPROT;
277         if (status & I365_CS_READY)
278                 val |= SS_READY;
279         if (status & I365_CS_POWERON)
280                 val |= SS_POWERON;
281
282         sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE);
283         switch (sense) {
284         case VCC_3VORXV_CAPABLE:
285                 val |= SS_3VCARD | SS_XVCARD;
286                 break;
287         case VCC_XV_ONLY:
288                 val |= SS_XVCARD;
289                 break;
290         case VCC_3V_CAPABLE:
291                 val |= SS_3VCARD;
292                 break;
293         default:
294                 /* 5V only */
295                 break;
296         }
297
298         *value = val;
299
300         return 0;
301 }
302
303 static inline uint8_t set_Vcc_value(u_char Vcc)
304 {
305         switch (Vcc) {
306         case 33:
307                 return VCC_3V;
308         case 50:
309                 return VCC_5V;
310         }
311
312         /* Small voltage is chosen for safety. */
313         return VCC_3V;
314 }
315
316 static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
317 {
318         vrc4171_socket_t *socket;
319         unsigned int slot;
320         uint8_t voltage, power, control, cscint;
321
322         if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
323             (state->Vpp != state->Vcc && state->Vpp != 0) ||
324             (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0))
325                 return -EINVAL;
326
327         slot = sock->sock;
328         socket = &vrc4171_sockets[slot];
329
330         spin_lock_irq(&sock->lock);
331
332         voltage = set_Vcc_value(state->Vcc);
333         exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage);
334
335         power = POWER_ENABLE;
336         if (state->Vpp == state->Vcc)
337                 power |= VPP_GET_VCC;
338         if (state->flags & SS_OUTPUT_ENA)
339                 power |= I365_PWR_OUT;
340         exca_write_byte(slot, I365_POWER, power);
341
342         control = 0;
343         if (state->io_irq != 0)
344                 control |= socket->io_irq;
345         if (state->flags & SS_IOCARD)
346                 control |= I365_PC_IOCARD;
347         if (state->flags & SS_RESET)
348                 control &= ~I365_PC_RESET;
349         else
350                 control |= I365_PC_RESET;
351         exca_write_byte(slot, I365_INTCTL, control);
352
353         cscint = 0;
354         exca_write_byte(slot, I365_CSCINT, cscint);
355         exca_read_byte(slot, I365_CSC); /* clear CardStatus change */
356         if (state->csc_mask != 0)
357                 cscint |= socket->csc_irq << 8;
358         if (state->flags & SS_IOCARD) {
359                 if (state->csc_mask & SS_STSCHG)
360                         cscint |= I365_CSC_STSCHG;
361         } else {
362                 if (state->csc_mask & SS_BATDEAD)
363                         cscint |= I365_CSC_BVD1;
364                 if (state->csc_mask & SS_BATWARN)
365                         cscint |= I365_CSC_BVD2;
366         }
367         if (state->csc_mask & SS_READY)
368                 cscint |= I365_CSC_READY;
369         if (state->csc_mask & SS_DETECT)
370                 cscint |= I365_CSC_DETECT;
371         exca_write_byte(slot, I365_CSCINT, cscint);
372
373         spin_unlock_irq(&sock->lock);
374
375         return 0;
376 }
377
378 static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
379 {
380         unsigned int slot;
381         uint8_t ioctl, addrwin;
382         u_char map;
383
384         if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
385             io == NULL || io->map >= IO_MAX_MAPS ||
386             io->start > 0xffff || io->stop > 0xffff || io->start > io->stop)
387                 return -EINVAL;
388
389         slot = sock->sock;
390         map = io->map;
391
392         addrwin = exca_read_byte(slot, I365_ADDRWIN);
393         if (addrwin & I365_ENA_IO(map)) {
394                 addrwin &= ~I365_ENA_IO(map);
395                 exca_write_byte(slot, I365_ADDRWIN, addrwin);
396         }
397
398         exca_write_word(slot, I365_IO(map)+I365_W_START, io->start);
399         exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop);
400
401         ioctl = 0;
402         if (io->speed > 0)
403                 ioctl |= I365_IOCTL_WAIT(map);
404         if (io->flags & MAP_16BIT)
405                 ioctl |= I365_IOCTL_16BIT(map);
406         if (io->flags & MAP_AUTOSZ)
407                 ioctl |= I365_IOCTL_IOCS16(map);
408         if (io->flags & MAP_0WS)
409                 ioctl |= I365_IOCTL_0WS(map);
410         exca_write_byte(slot, I365_IOCTL, ioctl);
411
412         if (io->flags & MAP_ACTIVE) {
413                 addrwin |= I365_ENA_IO(map);
414                 exca_write_byte(slot, I365_ADDRWIN, addrwin);
415         }
416
417         return 0;
418 }
419
420 static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
421 {
422         unsigned int slot;
423         uint16_t start, stop, offset;
424         uint8_t addrwin;
425         u_char map;
426
427         if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
428             mem == NULL || mem->map >= MEM_MAX_MAPS ||
429             mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END ||
430             mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END ||
431             mem->res->start > mem->res->end ||
432             mem->card_start > CARD_MAX_MEM_OFFSET ||
433             mem->speed > CARD_MAX_MEM_SPEED)
434                 return -EINVAL;
435
436         slot = sock->sock;
437         map = mem->map;
438
439         addrwin = exca_read_byte(slot, I365_ADDRWIN);
440         if (addrwin & I365_ENA_MEM(map)) {
441                 addrwin &= ~I365_ENA_MEM(map);
442                 exca_write_byte(slot, I365_ADDRWIN, addrwin);
443         }
444
445         start = (mem->res->start >> 12) & 0x3fff;
446         if (mem->flags & MAP_16BIT)
447                 start |= I365_MEM_16BIT;
448         exca_write_word(slot, I365_MEM(map)+I365_W_START, start);
449
450         stop = (mem->res->end >> 12) & 0x3fff;
451         switch (mem->speed) {
452         case 0:
453                 break;
454         case 1:
455                 stop |= I365_MEM_WS0;
456                 break;
457         case 2:
458                 stop |= I365_MEM_WS1;
459                 break;
460         default:
461                 stop |= I365_MEM_WS0 | I365_MEM_WS1;
462                 break;
463         }
464         exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop);
465
466         offset = (mem->card_start >> 12) & 0x3fff;
467         if (mem->flags & MAP_ATTRIB)
468                 offset |= I365_MEM_REG;
469         if (mem->flags & MAP_WRPROT)
470                 offset |= I365_MEM_WRPROT;
471         exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset);
472
473         if (mem->flags & MAP_ACTIVE) {
474                 addrwin |= I365_ENA_MEM(map);
475                 exca_write_byte(slot, I365_ADDRWIN, addrwin);
476         }
477
478         return 0;
479 }
480
481 static struct pccard_operations vrc4171_pccard_operations = {
482         .init                   = pccard_init,
483         .get_status             = pccard_get_status,
484         .set_socket             = pccard_set_socket,
485         .set_io_map             = pccard_set_io_map,
486         .set_mem_map            = pccard_set_mem_map,
487 };
488
489 static inline unsigned int get_events(int slot)
490 {
491         unsigned int events = 0;
492         uint8_t status, csc;
493
494         status = exca_read_byte(slot, I365_STATUS);
495         csc = exca_read_byte(slot, I365_CSC);
496
497         if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
498                 if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG))
499                         events |= SS_STSCHG;
500         } else {
501                 if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) {
502                         if (!(status & I365_CS_BVD1))
503                                 events |= SS_BATDEAD;
504                         else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
505                                 events |= SS_BATWARN;
506                 }
507         }
508         if ((csc & I365_CSC_READY) && (status & I365_CS_READY))
509                 events |= SS_READY;
510         if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT))
511                 events |= SS_DETECT;
512
513         return events;
514 }
515
516 static irqreturn_t pccard_interrupt(int irq, void *dev_id)
517 {
518         vrc4171_socket_t *socket;
519         unsigned int events;
520         irqreturn_t retval = IRQ_NONE;
521         uint16_t status;
522
523         status = vrc4171_get_irq_status();
524         if (status & IRQ_A) {
525                 socket = &vrc4171_sockets[CARD_SLOTA];
526                 if (socket->slot == SLOT_INITIALIZED) {
527                         if (status & (1 << socket->csc_irq)) {
528                                 events = get_events(CARD_SLOTA);
529                                 if (events != 0) {
530                                         pcmcia_parse_events(&socket->pcmcia_socket, events);
531                                         retval = IRQ_HANDLED;
532                                 }
533                         }
534                 }
535         }
536
537         if (status & IRQ_B) {
538                 socket = &vrc4171_sockets[CARD_SLOTB];
539                 if (socket->slot == SLOT_INITIALIZED) {
540                         if (status & (1 << socket->csc_irq)) {
541                                 events = get_events(CARD_SLOTB);
542                                 if (events != 0) {
543                                         pcmcia_parse_events(&socket->pcmcia_socket, events);
544                                         retval = IRQ_HANDLED;
545                                 }
546                         }
547                 }
548         }
549
550         return retval;
551 }
552
553 static inline void reserve_using_irq(int slot)
554 {
555         unsigned int irq;
556
557         irq = exca_read_byte(slot, I365_INTCTL);
558         irq &= 0x0f;
559         vrc4171_irq_mask &= ~(1 << irq);
560
561         irq = exca_read_byte(slot, I365_CSCINT);
562         irq = (irq & 0xf0) >> 4;
563         vrc4171_irq_mask &= ~(1 << irq);
564 }
565
566 static int __devinit vrc4171_add_sockets(void)
567 {
568         vrc4171_socket_t *socket;
569         int slot, retval;
570
571         for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
572                 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
573                         continue;
574
575                 socket = &vrc4171_sockets[slot];
576                 if (socket->slot != SLOT_PROBE) {
577                         uint8_t addrwin;
578
579                         switch (socket->slot) {
580                         case SLOT_NOPROBE_MEM:
581                                 addrwin = exca_read_byte(slot, I365_ADDRWIN);
582                                 addrwin &= 0x1f;
583                                 exca_write_byte(slot, I365_ADDRWIN, addrwin);
584                                 break;
585                         case SLOT_NOPROBE_IO:
586                                 addrwin = exca_read_byte(slot, I365_ADDRWIN);
587                                 addrwin &= 0xc0;
588                                 exca_write_byte(slot, I365_ADDRWIN, addrwin);
589                                 break;
590                         default:
591                                 break;
592                         }
593
594                         reserve_using_irq(slot);
595                         continue;
596                 }
597
598                 sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot);
599                 socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev;
600                 socket->pcmcia_socket.ops = &vrc4171_pccard_operations;
601                 socket->pcmcia_socket.owner = THIS_MODULE;
602
603                 retval = pcmcia_register_socket(&socket->pcmcia_socket);
604                 if (retval < 0)
605                         return retval;
606
607                 exca_write_byte(slot, I365_ADDRWIN, 0);
608                 exca_write_byte(slot, GLOBAL_CONTROL, 0);
609
610                 socket->slot = SLOT_INITIALIZED;
611         }
612
613         return 0;
614 }
615
616 static void vrc4171_remove_sockets(void)
617 {
618         vrc4171_socket_t *socket;
619         int slot;
620
621         for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
622                 if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
623                         continue;
624
625                 socket = &vrc4171_sockets[slot];
626                 if (socket->slot == SLOT_INITIALIZED)
627                         pcmcia_unregister_socket(&socket->pcmcia_socket);
628
629                 socket->slot = SLOT_PROBE;
630         }
631 }
632
633 static int __devinit vrc4171_card_setup(char *options)
634 {
635         if (options == NULL || *options == '\0')
636                 return 1;
637
638         if (strncmp(options, "irq:", 4) == 0) {
639                 int irq;
640                 options += 4;
641                 irq = simple_strtoul(options, &options, 0);
642                 if (irq >= 0 && irq < NR_IRQS)
643                         vrc4171_irq = irq;
644
645                 if (*options != ',')
646                         return 1;
647                 options++;
648         }
649
650         if (strncmp(options, "slota:", 6) == 0) {
651                 options += 6;
652                 if (*options != '\0') {
653                         if (strncmp(options, "memnoprobe", 10) == 0) {
654                                 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM;
655                                 options += 10;
656                         } else if (strncmp(options, "ionoprobe", 9) == 0) {
657                                 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO;
658                                 options += 9;
659                         } else if ( strncmp(options, "noprobe", 7) == 0) {
660                                 vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL;
661                                 options += 7;
662                         }
663
664                         if (*options != ',')
665                                 return 1;
666                         options++;
667                 } else
668                         return 1;
669
670         }
671
672         if (strncmp(options, "slotb:", 6) == 0) {
673                 options += 6;
674                 if (*options != '\0') {
675                         if (strncmp(options, "pccard", 6) == 0) {
676                                 vrc4171_slotb = SLOTB_IS_PCCARD;
677                                 options += 6;
678                         } else if (strncmp(options, "cf", 2) == 0) {
679                                 vrc4171_slotb = SLOTB_IS_CF;
680                                 options += 2;
681                         } else if (strncmp(options, "flashrom", 8) == 0) {
682                                 vrc4171_slotb = SLOTB_IS_FLASHROM;
683                                 options += 8;
684                         } else if (strncmp(options, "none", 4) == 0) {
685                                 vrc4171_slotb = SLOTB_IS_NONE;
686                                 options += 4;
687                         }
688
689                         if (*options != ',')
690                                 return 1;
691                         options++;
692
693                         if (strncmp(options, "memnoprobe", 10) == 0)
694                                 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM;
695                         if (strncmp(options, "ionoprobe", 9) == 0)
696                                 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO;
697                         if (strncmp(options, "noprobe", 7) == 0)
698                                 vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL;
699                 }
700         }
701
702         return 1;
703 }
704
705 __setup("vrc4171_card=", vrc4171_card_setup);
706
707 static struct device_driver vrc4171_card_driver = {
708         .name           = vrc4171_card_name,
709         .bus            = &platform_bus_type,
710         .suspend        = pcmcia_socket_dev_suspend,
711         .resume         = pcmcia_socket_dev_resume,
712 };
713
714 static int __devinit vrc4171_card_init(void)
715 {
716         int retval;
717
718         retval = driver_register(&vrc4171_card_driver);
719         if (retval < 0)
720                 return retval;
721
722         retval = platform_device_register(&vrc4171_card_device);
723         if (retval < 0) {
724                 driver_unregister(&vrc4171_card_driver);
725                 return retval;
726         }
727
728         vrc4171_set_multifunction_pin(vrc4171_slotb);
729
730         retval = vrc4171_add_sockets();
731         if (retval == 0)
732                 retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED,
733                                      vrc4171_card_name, vrc4171_sockets);
734
735         if (retval < 0) {
736                 vrc4171_remove_sockets();
737                 platform_device_unregister(&vrc4171_card_device);
738                 driver_unregister(&vrc4171_card_driver);
739                 return retval;
740         }
741
742         printk(KERN_INFO "%s, connected to IRQ %d\n", vrc4171_card_driver.name, vrc4171_irq);
743
744         return 0;
745 }
746
747 static void __devexit vrc4171_card_exit(void)
748 {
749         free_irq(vrc4171_irq, vrc4171_sockets);
750         vrc4171_remove_sockets();
751         platform_device_unregister(&vrc4171_card_device);
752         driver_unregister(&vrc4171_card_driver);
753 }
754
755 module_init(vrc4171_card_init);
756 module_exit(vrc4171_card_exit);