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[PATCH] dquot: add proper locking when using current->signal->tty
[usb.git] / drivers / pcmcia / i82365.c
blob1cc2682394b1557e677ca7c122722d8aa301b71d
1 /*======================================================================
2
3 Device driver for Intel 82365 and compatible PC Card controllers.
4
5 i82365.c 1.265 1999/11/10 18:36:21
6
7 The contents of this file are subject to the Mozilla Public
8 License Version 1.1 (the "License"); you may not use this file
9 except in compliance with the License. You may obtain a copy of
10 the License at http://www.mozilla.org/MPL/
11
12 Software distributed under the License is distributed on an "AS
13 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
14 implied. See the License for the specific language governing
15 rights and limitations under the License.
16
17 The initial developer of the original code is David A. Hinds
18 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
19 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
20
21 Alternatively, the contents of this file may be used under the
22 terms of the GNU General Public License version 2 (the "GPL"), in which
23 case the provisions of the GPL are applicable instead of the
24 above. If you wish to allow the use of your version of this file
25 only under the terms of the GPL and not to allow others to use
26 your version of this file under the MPL, indicate your decision
27 by deleting the provisions above and replace them with the notice
28 and other provisions required by the GPL. If you do not delete
29 the provisions above, a recipient may use your version of this
30 file under either the MPL or the GPL.
31
32 ======================================================================*/
33
34 #include <linux/module.h>
35 #include <linux/moduleparam.h>
36 #include <linux/init.h>
37 #include <linux/types.h>
38 #include <linux/fcntl.h>
39 #include <linux/string.h>
40 #include <linux/kernel.h>
41 #include <linux/errno.h>
42 #include <linux/timer.h>
43 #include <linux/sched.h>
44 #include <linux/slab.h>
45 #include <linux/ioport.h>
46 #include <linux/delay.h>
47 #include <linux/workqueue.h>
48 #include <linux/interrupt.h>
49 #include <linux/platform_device.h>
50 #include <linux/bitops.h>
51 #include <asm/irq.h>
52 #include <asm/io.h>
53 #include <asm/system.h>
54
55 #include <pcmcia/cs_types.h>
56 #include <pcmcia/ss.h>
57 #include <pcmcia/cs.h>
58
59 #include <linux/isapnp.h>
60
61 /* ISA-bus controllers */
62 #include "i82365.h"
63 #include "cirrus.h"
64 #include "vg468.h"
65 #include "ricoh.h"
66
67 #ifdef DEBUG
68 static const char version[] =
69 "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)";
70
71 static int pc_debug;
72
73 module_param(pc_debug, int, 0644);
74
75 #define debug(lvl, fmt, arg...) do { \
76 if (pc_debug > (lvl)) \
77 printk(KERN_DEBUG "i82365: " fmt , ## arg); \
78 } while (0)
79 #else
80 #define debug(lvl, fmt, arg...) do { } while (0)
81 #endif
82
83 static irqreturn_t i365_count_irq(int, void *, struct pt_regs *);
84 static inline int _check_irq(int irq, int flags)
85 {
86 if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
87 return -1;
88 free_irq(irq, i365_count_irq);
89 return 0;
90 }
91
92 /*====================================================================*/
93
94 /* Parameters that can be set with 'insmod' */
95
96 /* Default base address for i82365sl and other ISA chips */
97 static unsigned long i365_base = 0x3e0;
98 /* Should we probe at 0x3e2 for an extra ISA controller? */
99 static int extra_sockets = 0;
100 /* Specify a socket number to ignore */
101 static int ignore = -1;
102 /* Bit map or list of interrupts to choose from */
103 static u_int irq_mask = 0xffff;
104 static int irq_list[16];
105 static int irq_list_count;
106 /* The card status change interrupt -- 0 means autoselect */
107 static int cs_irq = 0;
108
109 /* Probe for safe interrupts? */
110 static int do_scan = 1;
111 /* Poll status interval -- 0 means default to interrupt */
112 static int poll_interval = 0;
113 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
114 static int cycle_time = 120;
115
116 /* Cirrus options */
117 static int has_dma = -1;
118 static int has_led = -1;
119 static int has_ring = -1;
120 static int dynamic_mode = 0;
121 static int freq_bypass = -1;
122 static int setup_time = -1;
123 static int cmd_time = -1;
124 static int recov_time = -1;
125
126 /* Vadem options */
127 static int async_clock = -1;
128 static int cable_mode = -1;
129 static int wakeup = 0;
130
131 module_param(i365_base, ulong, 0444);
132 module_param(ignore, int, 0444);
133 module_param(extra_sockets, int, 0444);
134 module_param(irq_mask, int, 0444);
135 module_param_array(irq_list, int, &irq_list_count, 0444);
136 module_param(cs_irq, int, 0444);
137 module_param(async_clock, int, 0444);
138 module_param(cable_mode, int, 0444);
139 module_param(wakeup, int, 0444);
140
141 module_param(do_scan, int, 0444);
142 module_param(poll_interval, int, 0444);
143 module_param(cycle_time, int, 0444);
144 module_param(has_dma, int, 0444);
145 module_param(has_led, int, 0444);
146 module_param(has_ring, int, 0444);
147 module_param(dynamic_mode, int, 0444);
148 module_param(freq_bypass, int, 0444);
149 module_param(setup_time, int, 0444);
150 module_param(cmd_time, int, 0444);
151 module_param(recov_time, int, 0444);
152
153 /*====================================================================*/
154
155 typedef struct cirrus_state_t {
156 u_char misc1, misc2;
157 u_char timer[6];
158 } cirrus_state_t;
159
160 typedef struct vg46x_state_t {
161 u_char ctl, ema;
162 } vg46x_state_t;
163
164 struct i82365_socket {
165 u_short type, flags;
166 struct pcmcia_socket socket;
167 unsigned int number;
168 kio_addr_t ioaddr;
169 u_short psock;
170 u_char cs_irq, intr;
171 union {
172 cirrus_state_t cirrus;
173 vg46x_state_t vg46x;
174 } state;
175 };
176
177 /* Where we keep track of our sockets... */
178 static int sockets = 0;
179 static struct i82365_socket socket[8] = {
180 { 0, }, /* ... */
181 };
182
183 /* Default ISA interrupt mask */
184 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
185
186 static int grab_irq;
187 static DEFINE_SPINLOCK(isa_lock);
188 #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
189 #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
190
191 static struct timer_list poll_timer;
192
193 /*====================================================================*/
194
195 /* These definitions must match the pcic table! */
196 typedef enum pcic_id {
197 IS_I82365A, IS_I82365B, IS_I82365DF,
198 IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
199 IS_PD6710, IS_PD672X, IS_VT83C469,
200 } pcic_id;
201
202 /* Flags for classifying groups of controllers */
203 #define IS_VADEM 0x0001
204 #define IS_CIRRUS 0x0002
205 #define IS_VIA 0x0010
206 #define IS_UNKNOWN 0x0400
207 #define IS_VG_PWR 0x0800
208 #define IS_DF_PWR 0x1000
209 #define IS_REGISTERED 0x2000
210 #define IS_ALIVE 0x8000
211
212 typedef struct pcic_t {
213 char *name;
214 u_short flags;
215 } pcic_t;
216
217 static pcic_t pcic[] = {
218 { "Intel i82365sl A step", 0 },
219 { "Intel i82365sl B step", 0 },
220 { "Intel i82365sl DF", IS_DF_PWR },
221 { "IBM Clone", 0 },
222 { "Ricoh RF5C296/396", 0 },
223 { "VLSI 82C146", 0 },
224 { "Vadem VG-468", IS_VADEM },
225 { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
226 { "Cirrus PD6710", IS_CIRRUS },
227 { "Cirrus PD672x", IS_CIRRUS },
228 { "VIA VT83C469", IS_CIRRUS|IS_VIA },
229 };
230
231 #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
232
233 /*====================================================================*/
234
235 static DEFINE_SPINLOCK(bus_lock);
236
237 static u_char i365_get(u_short sock, u_short reg)
238 {
239 unsigned long flags;
240 spin_lock_irqsave(&bus_lock,flags);
241 {
242 kio_addr_t port = socket[sock].ioaddr;
243 u_char val;
244 reg = I365_REG(socket[sock].psock, reg);
245 outb(reg, port); val = inb(port+1);
246 spin_unlock_irqrestore(&bus_lock,flags);
247 return val;
248 }
249 }
250
251 static void i365_set(u_short sock, u_short reg, u_char data)
252 {
253 unsigned long flags;
254 spin_lock_irqsave(&bus_lock,flags);
255 {
256 kio_addr_t port = socket[sock].ioaddr;
257 u_char val = I365_REG(socket[sock].psock, reg);
258 outb(val, port); outb(data, port+1);
259 spin_unlock_irqrestore(&bus_lock,flags);
260 }
261 }
262
263 static void i365_bset(u_short sock, u_short reg, u_char mask)
264 {
265 u_char d = i365_get(sock, reg);
266 d |= mask;
267 i365_set(sock, reg, d);
268 }
269
270 static void i365_bclr(u_short sock, u_short reg, u_char mask)
271 {
272 u_char d = i365_get(sock, reg);
273 d &= ~mask;
274 i365_set(sock, reg, d);
275 }
276
277 static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
278 {
279 u_char d = i365_get(sock, reg);
280 if (b)
281 d |= mask;
282 else
283 d &= ~mask;
284 i365_set(sock, reg, d);
285 }
286
287 static u_short i365_get_pair(u_short sock, u_short reg)
288 {
289 u_short a, b;
290 a = i365_get(sock, reg);
291 b = i365_get(sock, reg+1);
292 return (a + (b<<8));
293 }
294
295 static void i365_set_pair(u_short sock, u_short reg, u_short data)
296 {
297 i365_set(sock, reg, data & 0xff);
298 i365_set(sock, reg+1, data >> 8);
299 }
300
301 /*======================================================================
302
303 Code to save and restore global state information for Cirrus
304 PD67xx controllers, and to set and report global configuration
305 options.
306
307 The VIA controllers also use these routines, as they are mostly
308 Cirrus lookalikes, without the timing registers.
309
310 ======================================================================*/
311
312 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
313
314 static void cirrus_get_state(u_short s)
315 {
316 int i;
317 cirrus_state_t *p = &socket[s].state.cirrus;
318 p->misc1 = i365_get(s, PD67_MISC_CTL_1);
319 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
320 p->misc2 = i365_get(s, PD67_MISC_CTL_2);
321 for (i = 0; i < 6; i++)
322 p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
323 }
324
325 static void cirrus_set_state(u_short s)
326 {
327 int i;
328 u_char misc;
329 cirrus_state_t *p = &socket[s].state.cirrus;
330
331 misc = i365_get(s, PD67_MISC_CTL_2);
332 i365_set(s, PD67_MISC_CTL_2, p->misc2);
333 if (misc & PD67_MC2_SUSPEND) mdelay(50);
334 misc = i365_get(s, PD67_MISC_CTL_1);
335 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
336 i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
337 for (i = 0; i < 6; i++)
338 i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
339 }
340
341 static u_int __init cirrus_set_opts(u_short s, char *buf)
342 {
343 struct i82365_socket *t = &socket[s];
344 cirrus_state_t *p = &socket[s].state.cirrus;
345 u_int mask = 0xffff;
346
347 if (has_ring == -1) has_ring = 1;
348 flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
349 flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
350 flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
351 if (p->misc2 & PD67_MC2_IRQ15_RI)
352 strcat(buf, " [ring]");
353 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
354 strcat(buf, " [dyn mode]");
355 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
356 strcat(buf, " [freq bypass]");
357 if (p->misc1 & PD67_MC1_INPACK_ENA)
358 strcat(buf, " [inpack]");
359 if (p->misc2 & PD67_MC2_IRQ15_RI)
360 mask &= ~0x8000;
361 if (has_led > 0) {
362 strcat(buf, " [led]");
363 mask &= ~0x1000;
364 }
365 if (has_dma > 0) {
366 strcat(buf, " [dma]");
367 mask &= ~0x0600;
368 }
369 if (!(t->flags & IS_VIA)) {
370 if (setup_time >= 0)
371 p->timer[0] = p->timer[3] = setup_time;
372 if (cmd_time > 0) {
373 p->timer[1] = cmd_time;
374 p->timer[4] = cmd_time*2+4;
375 }
376 if (p->timer[1] == 0) {
377 p->timer[1] = 6; p->timer[4] = 16;
378 if (p->timer[0] == 0)
379 p->timer[0] = p->timer[3] = 1;
380 }
381 if (recov_time >= 0)
382 p->timer[2] = p->timer[5] = recov_time;
383 buf += strlen(buf);
384 sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
385 p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
386 }
387 return mask;
388 }
389
390 /*======================================================================
391
392 Code to save and restore global state information for Vadem VG468
393 and VG469 controllers, and to set and report global configuration
394 options.
395
396 ======================================================================*/
397
398 static void vg46x_get_state(u_short s)
399 {
400 vg46x_state_t *p = &socket[s].state.vg46x;
401 p->ctl = i365_get(s, VG468_CTL);
402 if (socket[s].type == IS_VG469)
403 p->ema = i365_get(s, VG469_EXT_MODE);
404 }
405
406 static void vg46x_set_state(u_short s)
407 {
408 vg46x_state_t *p = &socket[s].state.vg46x;
409 i365_set(s, VG468_CTL, p->ctl);
410 if (socket[s].type == IS_VG469)
411 i365_set(s, VG469_EXT_MODE, p->ema);
412 }
413
414 static u_int __init vg46x_set_opts(u_short s, char *buf)
415 {
416 vg46x_state_t *p = &socket[s].state.vg46x;
417
418 flip(p->ctl, VG468_CTL_ASYNC, async_clock);
419 flip(p->ema, VG469_MODE_CABLE, cable_mode);
420 if (p->ctl & VG468_CTL_ASYNC)
421 strcat(buf, " [async]");
422 if (p->ctl & VG468_CTL_INPACK)
423 strcat(buf, " [inpack]");
424 if (socket[s].type == IS_VG469) {
425 u_char vsel = i365_get(s, VG469_VSELECT);
426 if (vsel & VG469_VSEL_EXT_STAT) {
427 strcat(buf, " [ext mode]");
428 if (vsel & VG469_VSEL_EXT_BUS)
429 strcat(buf, " [isa buf]");
430 }
431 if (p->ema & VG469_MODE_CABLE)
432 strcat(buf, " [cable]");
433 if (p->ema & VG469_MODE_COMPAT)
434 strcat(buf, " [c step]");
435 }
436 return 0xffff;
437 }
438
439 /*======================================================================
440
441 Generic routines to get and set controller options
442
443 ======================================================================*/
444
445 static void get_bridge_state(u_short s)
446 {
447 struct i82365_socket *t = &socket[s];
448 if (t->flags & IS_CIRRUS)
449 cirrus_get_state(s);
450 else if (t->flags & IS_VADEM)
451 vg46x_get_state(s);
452 }
453
454 static void set_bridge_state(u_short s)
455 {
456 struct i82365_socket *t = &socket[s];
457 if (t->flags & IS_CIRRUS)
458 cirrus_set_state(s);
459 else {
460 i365_set(s, I365_GBLCTL, 0x00);
461 i365_set(s, I365_GENCTL, 0x00);
462 }
463 i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
464 if (t->flags & IS_VADEM)
465 vg46x_set_state(s);
466 }
467
468 static u_int __init set_bridge_opts(u_short s, u_short ns)
469 {
470 u_short i;
471 u_int m = 0xffff;
472 char buf[128];
473
474 for (i = s; i < s+ns; i++) {
475 if (socket[i].flags & IS_ALIVE) {
476 printk(KERN_INFO " host opts [%d]: already alive!\n", i);
477 continue;
478 }
479 buf[0] = '\0';
480 get_bridge_state(i);
481 if (socket[i].flags & IS_CIRRUS)
482 m = cirrus_set_opts(i, buf);
483 else if (socket[i].flags & IS_VADEM)
484 m = vg46x_set_opts(i, buf);
485 set_bridge_state(i);
486 printk(KERN_INFO " host opts [%d]:%s\n", i,
487 (*buf) ? buf : " none");
488 }
489 return m;
490 }
491
492 /*======================================================================
493
494 Interrupt testing code, for ISA and PCI interrupts
495
496 ======================================================================*/
497
498 static volatile u_int irq_hits;
499 static u_short irq_sock;
500
501 static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
502 {
503 i365_get(irq_sock, I365_CSC);
504 irq_hits++;
505 debug(2, "-> hit on irq %d\n", irq);
506 return IRQ_HANDLED;
507 }
508
509 static u_int __init test_irq(u_short sock, int irq)
510 {
511 debug(2, " testing ISA irq %d\n", irq);
512 if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan",
513 i365_count_irq) != 0)
514 return 1;
515 irq_hits = 0; irq_sock = sock;
516 msleep(10);
517 if (irq_hits) {
518 free_irq(irq, i365_count_irq);
519 debug(2, " spurious hit!\n");
520 return 1;
521 }
522
523 /* Generate one interrupt */
524 i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
525 i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
526 udelay(1000);
527
528 free_irq(irq, i365_count_irq);
529
530 /* mask all interrupts */
531 i365_set(sock, I365_CSCINT, 0);
532 debug(2, " hits = %d\n", irq_hits);
533
534 return (irq_hits != 1);
535 }
536
537 static u_int __init isa_scan(u_short sock, u_int mask0)
538 {
539 u_int mask1 = 0;
540 int i;
541
542 #ifdef __alpha__
543 #define PIC 0x4d0
544 /* Don't probe level-triggered interrupts -- reserved for PCI */
545 mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
546 #endif
547
548 if (do_scan) {
549 set_bridge_state(sock);
550 i365_set(sock, I365_CSCINT, 0);
551 for (i = 0; i < 16; i++)
552 if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
553 mask1 |= (1 << i);
554 for (i = 0; i < 16; i++)
555 if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
556 mask1 ^= (1 << i);
557 }
558
559 printk(KERN_INFO " ISA irqs (");
560 if (mask1) {
561 printk("scanned");
562 } else {
563 /* Fallback: just find interrupts that aren't in use */
564 for (i = 0; i < 16; i++)
565 if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0))
566 mask1 |= (1 << i);
567 printk("default");
568 /* If scan failed, default to polled status */
569 if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
570 }
571 printk(") = ");
572
573 for (i = 0; i < 16; i++)
574 if (mask1 & (1<<i))
575 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
576 if (mask1 == 0) printk("none!");
577
578 return mask1;
579 }
580
581 /*====================================================================*/
582
583 /* Time conversion functions */
584
585 static int to_cycles(int ns)
586 {
587 return ns/cycle_time;
588 }
589
590 /*====================================================================*/
591
592 static int __init identify(kio_addr_t port, u_short sock)
593 {
594 u_char val;
595 int type = -1;
596
597 /* Use the next free entry in the socket table */
598 socket[sockets].ioaddr = port;
599 socket[sockets].psock = sock;
600
601 /* Wake up a sleepy Cirrus controller */
602 if (wakeup) {
603 i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
604 /* Pause at least 50 ms */
605 mdelay(50);
606 }
607
608 if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
609 return -1;
610 switch (val) {
611 case 0x82:
612 type = IS_I82365A; break;
613 case 0x83:
614 type = IS_I82365B; break;
615 case 0x84:
616 type = IS_I82365DF; break;
617 case 0x88: case 0x89: case 0x8a:
618 type = IS_IBM; break;
619 }
620
621 /* Check for Vadem VG-468 chips */
622 outb(0x0e, port);
623 outb(0x37, port);
624 i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
625 val = i365_get(sockets, I365_IDENT);
626 if (val & I365_IDENT_VADEM) {
627 i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
628 type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
629 }
630
631 /* Check for Ricoh chips */
632 val = i365_get(sockets, RF5C_CHIP_ID);
633 if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
634 type = IS_RF5Cx96;
635
636 /* Check for Cirrus CL-PD67xx chips */
637 i365_set(sockets, PD67_CHIP_INFO, 0);
638 val = i365_get(sockets, PD67_CHIP_INFO);
639 if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
640 val = i365_get(sockets, PD67_CHIP_INFO);
641 if ((val & PD67_INFO_CHIP_ID) == 0) {
642 type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
643 i365_set(sockets, PD67_EXT_INDEX, 0xe5);
644 if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
645 type = IS_VT83C469;
646 }
647 }
648 return type;
649 } /* identify */
650
651 /*======================================================================
652
653 See if a card is present, powered up, in IO mode, and already
654 bound to a (non PC Card) Linux driver. We leave these alone.
655
656 We make an exception for cards that seem to be serial devices.
657
658 ======================================================================*/
659
660 static int __init is_alive(u_short sock)
661 {
662 u_char stat;
663 kio_addr_t start, stop;
664
665 stat = i365_get(sock, I365_STATUS);
666 start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
667 stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
668 if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
669 (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
670 (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
671 ((start & 0xfeef) != 0x02e8)) {
672 if (!request_region(start, stop-start+1, "i82365"))
673 return 1;
674 release_region(start, stop-start+1);
675 }
676
677 return 0;
678 }
679
680 /*====================================================================*/
681
682 static void __init add_socket(kio_addr_t port, int psock, int type)
683 {
684 socket[sockets].ioaddr = port;
685 socket[sockets].psock = psock;
686 socket[sockets].type = type;
687 socket[sockets].flags = pcic[type].flags;
688 if (is_alive(sockets))
689 socket[sockets].flags |= IS_ALIVE;
690 sockets++;
691 }
692
693 static void __init add_pcic(int ns, int type)
694 {
695 u_int mask = 0, i, base;
696 int isa_irq = 0;
697 struct i82365_socket *t = &socket[sockets-ns];
698
699 base = sockets-ns;
700 if (base == 0) printk("\n");
701 printk(KERN_INFO " %s", pcic[type].name);
702 printk(" ISA-to-PCMCIA at port %#lx ofs 0x%02x",
703 t->ioaddr, t->psock*0x40);
704 printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
705
706 /* Set host options, build basic interrupt mask */
707 if (irq_list_count == 0)
708 mask = irq_mask;
709 else
710 for (i = mask = 0; i < irq_list_count; i++)
711 mask |= (1<<irq_list[i]);
712 mask &= I365_MASK & set_bridge_opts(base, ns);
713 /* Scan for ISA interrupts */
714 mask = isa_scan(base, mask);
715
716 /* Poll if only two interrupts available */
717 if (!poll_interval) {
718 u_int tmp = (mask & 0xff20);
719 tmp = tmp & (tmp-1);
720 if ((tmp & (tmp-1)) == 0)
721 poll_interval = HZ;
722 }
723 /* Only try an ISA cs_irq if this is the first controller */
724 if (!grab_irq && (cs_irq || !poll_interval)) {
725 /* Avoid irq 12 unless it is explicitly requested */
726 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
727 for (cs_irq = 15; cs_irq > 0; cs_irq--)
728 if ((cs_mask & (1 << cs_irq)) &&
729 (_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0))
730 break;
731 if (cs_irq) {
732 grab_irq = 1;
733 isa_irq = cs_irq;
734 printk(" status change on irq %d\n", cs_irq);
735 }
736 }
737
738 if (!isa_irq) {
739 if (poll_interval == 0)
740 poll_interval = HZ;
741 printk(" polling interval = %d ms\n",
742 poll_interval * 1000 / HZ);
743
744 }
745
746 /* Update socket interrupt information, capabilities */
747 for (i = 0; i < ns; i++) {
748 t[i].socket.features |= SS_CAP_PCCARD;
749 t[i].socket.map_size = 0x1000;
750 t[i].socket.irq_mask = mask;
751 t[i].cs_irq = isa_irq;
752 }
753
754 } /* add_pcic */
755
756 /*====================================================================*/
757
758 #ifdef CONFIG_PNP
759 static struct isapnp_device_id id_table[] __initdata = {
760 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
761 ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
762 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
763 ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
764 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
765 ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
766 { 0 }
767 };
768 MODULE_DEVICE_TABLE(isapnp, id_table);
769
770 static struct pnp_dev *i82365_pnpdev;
771 #endif
772
773 static void __init isa_probe(void)
774 {
775 int i, j, sock, k, ns, id;
776 kio_addr_t port;
777 #ifdef CONFIG_PNP
778 struct isapnp_device_id *devid;
779 struct pnp_dev *dev;
780
781 for (devid = id_table; devid->vendor; devid++) {
782 if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
783
784 if (pnp_device_attach(dev) < 0)
785 continue;
786
787 if (pnp_activate_dev(dev) < 0) {
788 printk("activate failed\n");
789 pnp_device_detach(dev);
790 break;
791 }
792
793 if (!pnp_port_valid(dev, 0)) {
794 printk("invalid resources ?\n");
795 pnp_device_detach(dev);
796 break;
797 }
798 i365_base = pnp_port_start(dev, 0);
799 i82365_pnpdev = dev;
800 break;
801 }
802 }
803 #endif
804
805 if (!request_region(i365_base, 2, "i82365")) {
806 if (sockets == 0)
807 printk("port conflict at %#lx\n", i365_base);
808 return;
809 }
810
811 id = identify(i365_base, 0);
812 if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
813 for (i = 0; i < 4; i++) {
814 if (i == ignore) continue;
815 port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
816 sock = (i & 1) << 1;
817 if (identify(port, sock) == IS_I82365DF) {
818 add_socket(port, sock, IS_VLSI);
819 add_pcic(1, IS_VLSI);
820 }
821 }
822 } else {
823 for (i = 0; i < 8; i += 2) {
824 if (sockets && !extra_sockets && (i == 4))
825 break;
826 port = i365_base + 2*(i>>2);
827 sock = (i & 3);
828 id = identify(port, sock);
829 if (id < 0) continue;
830
831 for (j = ns = 0; j < 2; j++) {
832 /* Does the socket exist? */
833 if ((ignore == i+j) || (identify(port, sock+j) < 0))
834 continue;
835 /* Check for bad socket decode */
836 for (k = 0; k <= sockets; k++)
837 i365_set(k, I365_MEM(0)+I365_W_OFF, k);
838 for (k = 0; k <= sockets; k++)
839 if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
840 break;
841 if (k <= sockets) break;
842 add_socket(port, sock+j, id); ns++;
843 }
844 if (ns != 0) add_pcic(ns, id);
845 }
846 }
847 }
848
849 /*====================================================================*/
850
851 static irqreturn_t pcic_interrupt(int irq, void *dev,
852 struct pt_regs *regs)
853 {
854 int i, j, csc;
855 u_int events, active;
856 u_long flags = 0;
857 int handled = 0;
858
859 debug(4, "pcic_interrupt(%d)\n", irq);
860
861 for (j = 0; j < 20; j++) {
862 active = 0;
863 for (i = 0; i < sockets; i++) {
864 if (socket[i].cs_irq != irq)
865 continue;
866 handled = 1;
867 ISA_LOCK(i, flags);
868 csc = i365_get(i, I365_CSC);
869 if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
870 ISA_UNLOCK(i, flags);
871 continue;
872 }
873 events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
874
875 if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
876 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
877 else {
878 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
879 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
880 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
881 }
882 ISA_UNLOCK(i, flags);
883 debug(2, "socket %d event 0x%02x\n", i, events);
884
885 if (events)
886 pcmcia_parse_events(&socket[i].socket, events);
887
888 active |= events;
889 }
890 if (!active) break;
891 }
892 if (j == 20)
893 printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
894
895 debug(4, "interrupt done\n");
896 return IRQ_RETVAL(handled);
897 } /* pcic_interrupt */
898
899 static void pcic_interrupt_wrapper(u_long data)
900 {
901 pcic_interrupt(0, NULL, NULL);
902 poll_timer.expires = jiffies + poll_interval;
903 add_timer(&poll_timer);
904 }
905
906 /*====================================================================*/
907
908 static int i365_get_status(u_short sock, u_int *value)
909 {
910 u_int status;
911
912 status = i365_get(sock, I365_STATUS);
913 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
914 ? SS_DETECT : 0;
915
916 if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
917 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
918 else {
919 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
920 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
921 }
922 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
923 *value |= (status & I365_CS_READY) ? SS_READY : 0;
924 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
925
926 if (socket[sock].type == IS_VG469) {
927 status = i365_get(sock, VG469_VSENSE);
928 if (socket[sock].psock & 1) {
929 *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
930 *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
931 } else {
932 *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
933 *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
934 }
935 }
936
937 debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value);
938 return 0;
939 } /* i365_get_status */
940
941 /*====================================================================*/
942
943 static int i365_set_socket(u_short sock, socket_state_t *state)
944 {
945 struct i82365_socket *t = &socket[sock];
946 u_char reg;
947
948 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
949 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
950 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
951
952 /* First set global controller options */
953 set_bridge_state(sock);
954
955 /* IO card, RESET flag, IO interrupt */
956 reg = t->intr;
957 reg |= state->io_irq;
958 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
959 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
960 i365_set(sock, I365_INTCTL, reg);
961
962 reg = I365_PWR_NORESET;
963 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
964 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
965
966 if (t->flags & IS_CIRRUS) {
967 if (state->Vpp != 0) {
968 if (state->Vpp == 120)
969 reg |= I365_VPP1_12V;
970 else if (state->Vpp == state->Vcc)
971 reg |= I365_VPP1_5V;
972 else return -EINVAL;
973 }
974 if (state->Vcc != 0) {
975 reg |= I365_VCC_5V;
976 if (state->Vcc == 33)
977 i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
978 else if (state->Vcc == 50)
979 i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
980 else return -EINVAL;
981 }
982 } else if (t->flags & IS_VG_PWR) {
983 if (state->Vpp != 0) {
984 if (state->Vpp == 120)
985 reg |= I365_VPP1_12V;
986 else if (state->Vpp == state->Vcc)
987 reg |= I365_VPP1_5V;
988 else return -EINVAL;
989 }
990 if (state->Vcc != 0) {
991 reg |= I365_VCC_5V;
992 if (state->Vcc == 33)
993 i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
994 else if (state->Vcc == 50)
995 i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
996 else return -EINVAL;
997 }
998 } else if (t->flags & IS_DF_PWR) {
999 switch (state->Vcc) {
1000 case 0: break;
1001 case 33: reg |= I365_VCC_3V; break;
1002 case 50: reg |= I365_VCC_5V; break;
1003 default: return -EINVAL;
1004 }
1005 switch (state->Vpp) {
1006 case 0: break;
1007 case 50: reg |= I365_VPP1_5V; break;
1008 case 120: reg |= I365_VPP1_12V; break;
1009 default: return -EINVAL;
1010 }
1011 } else {
1012 switch (state->Vcc) {
1013 case 0: break;
1014 case 50: reg |= I365_VCC_5V; break;
1015 default: return -EINVAL;
1016 }
1017 switch (state->Vpp) {
1018 case 0: break;
1019 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
1020 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1021 default: return -EINVAL;
1022 }
1023 }
1024
1025 if (reg != i365_get(sock, I365_POWER))
1026 i365_set(sock, I365_POWER, reg);
1027
1028 /* Chipset-specific functions */
1029 if (t->flags & IS_CIRRUS) {
1030 /* Speaker control */
1031 i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1032 state->flags & SS_SPKR_ENA);
1033 }
1034
1035 /* Card status change interrupt mask */
1036 reg = t->cs_irq << 4;
1037 if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1038 if (state->flags & SS_IOCARD) {
1039 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1040 } else {
1041 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1042 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1043 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1044 }
1045 i365_set(sock, I365_CSCINT, reg);
1046 i365_get(sock, I365_CSC);
1047
1048 return 0;
1049 } /* i365_set_socket */
1050
1051 /*====================================================================*/
1052
1053 static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1054 {
1055 u_char map, ioctl;
1056
1057 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
1058 "%#lx-%#lx)\n", sock, io->map, io->flags,
1059 io->speed, io->start, io->stop);
1060 map = io->map;
1061 if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1062 (io->stop < io->start)) return -EINVAL;
1063 /* Turn off the window before changing anything */
1064 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1065 i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1066 i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1067 i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1068 ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1069 if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1070 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1071 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1072 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1073 i365_set(sock, I365_IOCTL, ioctl);
1074 /* Turn on the window if necessary */
1075 if (io->flags & MAP_ACTIVE)
1076 i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1077 return 0;
1078 } /* i365_set_io_map */
1079
1080 /*====================================================================*/
1081
1082 static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1083 {
1084 u_short base, i;
1085 u_char map;
1086
1087 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, "
1088 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1089 (unsigned long long)mem->res->start,
1090 (unsigned long long)mem->res->end, mem->card_start);
1091
1092 map = mem->map;
1093 if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1094 (mem->res->start > mem->res->end) || (mem->speed > 1000))
1095 return -EINVAL;
1096 if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1097 return -EINVAL;
1098
1099 /* Turn off the window before changing anything */
1100 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1101 i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1102
1103 base = I365_MEM(map);
1104 i = (mem->res->start >> 12) & 0x0fff;
1105 if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1106 if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1107 i365_set_pair(sock, base+I365_W_START, i);
1108
1109 i = (mem->res->end >> 12) & 0x0fff;
1110 switch (to_cycles(mem->speed)) {
1111 case 0: break;
1112 case 1: i |= I365_MEM_WS0; break;
1113 case 2: i |= I365_MEM_WS1; break;
1114 default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1115 }
1116 i365_set_pair(sock, base+I365_W_STOP, i);
1117
1118 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1119 if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1120 if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1121 i365_set_pair(sock, base+I365_W_OFF, i);
1122
1123 /* Turn on the window if necessary */
1124 if (mem->flags & MAP_ACTIVE)
1125 i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1126 return 0;
1127 } /* i365_set_mem_map */
1128
1129 #if 0 /* driver model ordering issue */
1130 /*======================================================================
1131
1132 Routines for accessing socket information and register dumps via
1133 /sys/class/pcmcia_socket/...
1134
1135 ======================================================================*/
1136
1137 static ssize_t show_info(struct class_device *class_dev, char *buf)
1138 {
1139 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1140 return sprintf(buf, "type: %s\npsock: %d\n",
1141 pcic[s->type].name, s->psock);
1142 }
1143
1144 static ssize_t show_exca(struct class_device *class_dev, char *buf)
1145 {
1146 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1147 unsigned short sock;
1148 int i;
1149 ssize_t ret = 0;
1150 unsigned long flags = 0;
1151
1152 sock = s->number;
1153
1154 ISA_LOCK(sock, flags);
1155 for (i = 0; i < 0x40; i += 4) {
1156 ret += sprintf(buf, "%02x %02x %02x %02x%s",
1157 i365_get(sock,i), i365_get(sock,i+1),
1158 i365_get(sock,i+2), i365_get(sock,i+3),
1159 ((i % 16) == 12) ? "\n" : " ");
1160 buf += ret;
1161 }
1162 ISA_UNLOCK(sock, flags);
1163
1164 return ret;
1165 }
1166
1167 static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1168 static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1169 #endif
1170
1171 /*====================================================================*/
1172
1173 /* this is horribly ugly... proper locking needs to be done here at
1174 * some time... */
1175 #define LOCKED(x) do { \
1176 int retval; \
1177 unsigned long flags; \
1178 spin_lock_irqsave(&isa_lock, flags); \
1179 retval = x; \
1180 spin_unlock_irqrestore(&isa_lock, flags); \
1181 return retval; \
1182 } while (0)
1183
1184
1185 static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1186 {
1187 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1188
1189 if (socket[sock].flags & IS_ALIVE) {
1190 *value = 0;
1191 return -EINVAL;
1192 }
1193
1194 LOCKED(i365_get_status(sock, value));
1195 }
1196
1197 static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1198 {
1199 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1200
1201 if (socket[sock].flags & IS_ALIVE)
1202 return -EINVAL;
1203
1204 LOCKED(i365_set_socket(sock, state));
1205 }
1206
1207 static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1208 {
1209 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1210 if (socket[sock].flags & IS_ALIVE)
1211 return -EINVAL;
1212
1213 LOCKED(i365_set_io_map(sock, io));
1214 }
1215
1216 static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1217 {
1218 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1219 if (socket[sock].flags & IS_ALIVE)
1220 return -EINVAL;
1221
1222 LOCKED(i365_set_mem_map(sock, mem));
1223 }
1224
1225 static int pcic_init(struct pcmcia_socket *s)
1226 {
1227 int i;
1228 struct resource res = { .start = 0, .end = 0x1000 };
1229 pccard_io_map io = { 0, 0, 0, 0, 1 };
1230 pccard_mem_map mem = { .res = &res, };
1231
1232 for (i = 0; i < 2; i++) {
1233 io.map = i;
1234 pcic_set_io_map(s, &io);
1235 }
1236 for (i = 0; i < 5; i++) {
1237 mem.map = i;
1238 pcic_set_mem_map(s, &mem);
1239 }
1240 return 0;
1241 }
1242
1243 static struct pccard_operations pcic_operations = {
1244 .init = pcic_init,
1245 .get_status = pcic_get_status,
1246 .set_socket = pcic_set_socket,
1247 .set_io_map = pcic_set_io_map,
1248 .set_mem_map = pcic_set_mem_map,
1249 };
1250
1251 /*====================================================================*/
1252
1253 static struct device_driver i82365_driver = {
1254 .name = "i82365",
1255 .bus = &platform_bus_type,
1256 .suspend = pcmcia_socket_dev_suspend,
1257 .resume = pcmcia_socket_dev_resume,
1258 };
1259
1260 static struct platform_device *i82365_device;
1261
1262 static int __init init_i82365(void)
1263 {
1264 int i, ret;
1265
1266 ret = driver_register(&i82365_driver);
1267 if (ret)
1268 return ret;
1269
1270 i82365_device = platform_device_alloc("i82365", 0);
1271 if (i82365_device) {
1272 ret = platform_device_add(i82365_device);
1273 if (ret)
1274 platform_device_put(i82365_device);
1275 } else
1276 ret = -ENOMEM;
1277
1278 if (ret) {
1279 driver_unregister(&i82365_driver);
1280 return ret;
1281 }
1282
1283 printk(KERN_INFO "Intel ISA PCIC probe: ");
1284 sockets = 0;
1285
1286 isa_probe();
1287
1288 if (sockets == 0) {
1289 printk("not found.\n");
1290 platform_device_unregister(i82365_device);
1291 release_region(i365_base, 2);
1292 driver_unregister(&i82365_driver);
1293 return -ENODEV;
1294 }
1295
1296 /* Set up interrupt handler(s) */
1297 if (grab_irq != 0)
1298 request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1299
1300 /* register sockets with the pcmcia core */
1301 for (i = 0; i < sockets; i++) {
1302 socket[i].socket.dev.dev = &i82365_device->dev;
1303 socket[i].socket.ops = &pcic_operations;
1304 socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1305 socket[i].socket.owner = THIS_MODULE;
1306 socket[i].number = i;
1307 ret = pcmcia_register_socket(&socket[i].socket);
1308 if (!ret)
1309 socket[i].flags |= IS_REGISTERED;
1310
1311 #if 0 /* driver model ordering issue */
1312 class_device_create_file(&socket[i].socket.dev,
1313 &class_device_attr_info);
1314 class_device_create_file(&socket[i].socket.dev,
1315 &class_device_attr_exca);
1316 #endif
1317 }
1318
1319 /* Finally, schedule a polling interrupt */
1320 if (poll_interval != 0) {
1321 poll_timer.function = pcic_interrupt_wrapper;
1322 poll_timer.data = 0;
1323 init_timer(&poll_timer);
1324 poll_timer.expires = jiffies + poll_interval;
1325 add_timer(&poll_timer);
1326 }
1327
1328 return 0;
1329
1330 } /* init_i82365 */
1331
1332 static void __exit exit_i82365(void)
1333 {
1334 int i;
1335
1336 for (i = 0; i < sockets; i++) {
1337 if (socket[i].flags & IS_REGISTERED)
1338 pcmcia_unregister_socket(&socket[i].socket);
1339 }
1340 platform_device_unregister(i82365_device);
1341 if (poll_interval != 0)
1342 del_timer_sync(&poll_timer);
1343 if (grab_irq != 0)
1344 free_irq(cs_irq, pcic_interrupt);
1345 for (i = 0; i < sockets; i++) {
1346 /* Turn off all interrupt sources! */
1347 i365_set(i, I365_CSCINT, 0);
1348 release_region(socket[i].ioaddr, 2);
1349 }
1350 release_region(i365_base, 2);
1351 #ifdef CONFIG_PNP
1352 if (i82365_pnpdev)
1353 pnp_disable_dev(i82365_pnpdev);
1354 #endif
1355 driver_unregister(&i82365_driver);
1356 } /* exit_i82365 */
1357
1358 module_init(init_i82365);
1359 module_exit(exit_i82365);
1360 MODULE_LICENSE("Dual MPL/GPL");
1361 /*====================================================================*/
USB Experimental Work