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[PATCH] unshare system call -v5: system call handler function
[linux-2.6/linux-loongson.git] / drivers / pcmcia / i82365.c
blob35a92d1e4945be16f89f514717d983263b74ce20
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/config.h>
38 #include <linux/types.h>
39 #include <linux/fcntl.h>
40 #include <linux/string.h>
41 #include <linux/kernel.h>
42 #include <linux/errno.h>
43 #include <linux/timer.h>
44 #include <linux/sched.h>
45 #include <linux/slab.h>
46 #include <linux/ioport.h>
47 #include <linux/delay.h>
48 #include <linux/workqueue.h>
49 #include <linux/interrupt.h>
50 #include <linux/platform_device.h>
51 #include <linux/bitops.h>
52 #include <asm/irq.h>
53 #include <asm/io.h>
54 #include <asm/system.h>
55
56 #include <pcmcia/cs_types.h>
57 #include <pcmcia/ss.h>
58 #include <pcmcia/cs.h>
59
60 #include <linux/isapnp.h>
61
62 /* ISA-bus controllers */
63 #include "i82365.h"
64 #include "cirrus.h"
65 #include "vg468.h"
66 #include "ricoh.h"
67
68 #ifdef DEBUG
69 static const char version[] =
70 "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)";
71
72 static int pc_debug;
73
74 module_param(pc_debug, int, 0644);
75
76 #define debug(lvl, fmt, arg...) do { \
77 if (pc_debug > (lvl)) \
78 printk(KERN_DEBUG "i82365: " fmt , ## arg); \
79 } while (0)
80 #else
81 #define debug(lvl, fmt, arg...) do { } while (0)
82 #endif
83
84 static irqreturn_t i365_count_irq(int, void *, struct pt_regs *);
85 static inline int _check_irq(int irq, int flags)
86 {
87 if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
88 return -1;
89 free_irq(irq, i365_count_irq);
90 return 0;
91 }
92
93 /*====================================================================*/
94
95 /* Parameters that can be set with 'insmod' */
96
97 /* Default base address for i82365sl and other ISA chips */
98 static unsigned long i365_base = 0x3e0;
99 /* Should we probe at 0x3e2 for an extra ISA controller? */
100 static int extra_sockets = 0;
101 /* Specify a socket number to ignore */
102 static int ignore = -1;
103 /* Bit map or list of interrupts to choose from */
104 static u_int irq_mask = 0xffff;
105 static int irq_list[16];
106 static int irq_list_count;
107 /* The card status change interrupt -- 0 means autoselect */
108 static int cs_irq = 0;
109
110 /* Probe for safe interrupts? */
111 static int do_scan = 1;
112 /* Poll status interval -- 0 means default to interrupt */
113 static int poll_interval = 0;
114 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
115 static int cycle_time = 120;
116
117 /* Cirrus options */
118 static int has_dma = -1;
119 static int has_led = -1;
120 static int has_ring = -1;
121 static int dynamic_mode = 0;
122 static int freq_bypass = -1;
123 static int setup_time = -1;
124 static int cmd_time = -1;
125 static int recov_time = -1;
126
127 /* Vadem options */
128 static int async_clock = -1;
129 static int cable_mode = -1;
130 static int wakeup = 0;
131
132 module_param(i365_base, ulong, 0444);
133 module_param(ignore, int, 0444);
134 module_param(extra_sockets, int, 0444);
135 module_param(irq_mask, int, 0444);
136 module_param_array(irq_list, int, &irq_list_count, 0444);
137 module_param(cs_irq, int, 0444);
138 module_param(async_clock, int, 0444);
139 module_param(cable_mode, int, 0444);
140 module_param(wakeup, int, 0444);
141
142 module_param(do_scan, int, 0444);
143 module_param(poll_interval, int, 0444);
144 module_param(cycle_time, int, 0444);
145 module_param(has_dma, int, 0444);
146 module_param(has_led, int, 0444);
147 module_param(has_ring, int, 0444);
148 module_param(dynamic_mode, int, 0444);
149 module_param(freq_bypass, int, 0444);
150 module_param(setup_time, int, 0444);
151 module_param(cmd_time, int, 0444);
152 module_param(recov_time, int, 0444);
153
154 /*====================================================================*/
155
156 typedef struct cirrus_state_t {
157 u_char misc1, misc2;
158 u_char timer[6];
159 } cirrus_state_t;
160
161 typedef struct vg46x_state_t {
162 u_char ctl, ema;
163 } vg46x_state_t;
164
165 struct i82365_socket {
166 u_short type, flags;
167 struct pcmcia_socket socket;
168 unsigned int number;
169 kio_addr_t ioaddr;
170 u_short psock;
171 u_char cs_irq, intr;
172 union {
173 cirrus_state_t cirrus;
174 vg46x_state_t vg46x;
175 } state;
176 };
177
178 /* Where we keep track of our sockets... */
179 static int sockets = 0;
180 static struct i82365_socket socket[8] = {
181 { 0, }, /* ... */
182 };
183
184 /* Default ISA interrupt mask */
185 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
186
187 static int grab_irq;
188 static DEFINE_SPINLOCK(isa_lock);
189 #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
190 #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
191
192 static struct timer_list poll_timer;
193
194 /*====================================================================*/
195
196 /* These definitions must match the pcic table! */
197 typedef enum pcic_id {
198 IS_I82365A, IS_I82365B, IS_I82365DF,
199 IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
200 IS_PD6710, IS_PD672X, IS_VT83C469,
201 } pcic_id;
202
203 /* Flags for classifying groups of controllers */
204 #define IS_VADEM 0x0001
205 #define IS_CIRRUS 0x0002
206 #define IS_VIA 0x0010
207 #define IS_UNKNOWN 0x0400
208 #define IS_VG_PWR 0x0800
209 #define IS_DF_PWR 0x1000
210 #define IS_REGISTERED 0x2000
211 #define IS_ALIVE 0x8000
212
213 typedef struct pcic_t {
214 char *name;
215 u_short flags;
216 } pcic_t;
217
218 static pcic_t pcic[] = {
219 { "Intel i82365sl A step", 0 },
220 { "Intel i82365sl B step", 0 },
221 { "Intel i82365sl DF", IS_DF_PWR },
222 { "IBM Clone", 0 },
223 { "Ricoh RF5C296/396", 0 },
224 { "VLSI 82C146", 0 },
225 { "Vadem VG-468", IS_VADEM },
226 { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
227 { "Cirrus PD6710", IS_CIRRUS },
228 { "Cirrus PD672x", IS_CIRRUS },
229 { "VIA VT83C469", IS_CIRRUS|IS_VIA },
230 };
231
232 #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
233
234 /*====================================================================*/
235
236 static DEFINE_SPINLOCK(bus_lock);
237
238 static u_char i365_get(u_short sock, u_short reg)
239 {
240 unsigned long flags;
241 spin_lock_irqsave(&bus_lock,flags);
242 {
243 kio_addr_t port = socket[sock].ioaddr;
244 u_char val;
245 reg = I365_REG(socket[sock].psock, reg);
246 outb(reg, port); val = inb(port+1);
247 spin_unlock_irqrestore(&bus_lock,flags);
248 return val;
249 }
250 }
251
252 static void i365_set(u_short sock, u_short reg, u_char data)
253 {
254 unsigned long flags;
255 spin_lock_irqsave(&bus_lock,flags);
256 {
257 kio_addr_t port = socket[sock].ioaddr;
258 u_char val = I365_REG(socket[sock].psock, reg);
259 outb(val, port); outb(data, port+1);
260 spin_unlock_irqrestore(&bus_lock,flags);
261 }
262 }
263
264 static void i365_bset(u_short sock, u_short reg, u_char mask)
265 {
266 u_char d = i365_get(sock, reg);
267 d |= mask;
268 i365_set(sock, reg, d);
269 }
270
271 static void i365_bclr(u_short sock, u_short reg, u_char mask)
272 {
273 u_char d = i365_get(sock, reg);
274 d &= ~mask;
275 i365_set(sock, reg, d);
276 }
277
278 static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
279 {
280 u_char d = i365_get(sock, reg);
281 if (b)
282 d |= mask;
283 else
284 d &= ~mask;
285 i365_set(sock, reg, d);
286 }
287
288 static u_short i365_get_pair(u_short sock, u_short reg)
289 {
290 u_short a, b;
291 a = i365_get(sock, reg);
292 b = i365_get(sock, reg+1);
293 return (a + (b<<8));
294 }
295
296 static void i365_set_pair(u_short sock, u_short reg, u_short data)
297 {
298 i365_set(sock, reg, data & 0xff);
299 i365_set(sock, reg+1, data >> 8);
300 }
301
302 /*======================================================================
303
304 Code to save and restore global state information for Cirrus
305 PD67xx controllers, and to set and report global configuration
306 options.
307
308 The VIA controllers also use these routines, as they are mostly
309 Cirrus lookalikes, without the timing registers.
310
311 ======================================================================*/
312
313 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
314
315 static void cirrus_get_state(u_short s)
316 {
317 int i;
318 cirrus_state_t *p = &socket[s].state.cirrus;
319 p->misc1 = i365_get(s, PD67_MISC_CTL_1);
320 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
321 p->misc2 = i365_get(s, PD67_MISC_CTL_2);
322 for (i = 0; i < 6; i++)
323 p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
324 }
325
326 static void cirrus_set_state(u_short s)
327 {
328 int i;
329 u_char misc;
330 cirrus_state_t *p = &socket[s].state.cirrus;
331
332 misc = i365_get(s, PD67_MISC_CTL_2);
333 i365_set(s, PD67_MISC_CTL_2, p->misc2);
334 if (misc & PD67_MC2_SUSPEND) mdelay(50);
335 misc = i365_get(s, PD67_MISC_CTL_1);
336 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
337 i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
338 for (i = 0; i < 6; i++)
339 i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
340 }
341
342 static u_int __init cirrus_set_opts(u_short s, char *buf)
343 {
344 struct i82365_socket *t = &socket[s];
345 cirrus_state_t *p = &socket[s].state.cirrus;
346 u_int mask = 0xffff;
347
348 if (has_ring == -1) has_ring = 1;
349 flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
350 flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
351 flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
352 if (p->misc2 & PD67_MC2_IRQ15_RI)
353 strcat(buf, " [ring]");
354 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
355 strcat(buf, " [dyn mode]");
356 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
357 strcat(buf, " [freq bypass]");
358 if (p->misc1 & PD67_MC1_INPACK_ENA)
359 strcat(buf, " [inpack]");
360 if (p->misc2 & PD67_MC2_IRQ15_RI)
361 mask &= ~0x8000;
362 if (has_led > 0) {
363 strcat(buf, " [led]");
364 mask &= ~0x1000;
365 }
366 if (has_dma > 0) {
367 strcat(buf, " [dma]");
368 mask &= ~0x0600;
369 }
370 if (!(t->flags & IS_VIA)) {
371 if (setup_time >= 0)
372 p->timer[0] = p->timer[3] = setup_time;
373 if (cmd_time > 0) {
374 p->timer[1] = cmd_time;
375 p->timer[4] = cmd_time*2+4;
376 }
377 if (p->timer[1] == 0) {
378 p->timer[1] = 6; p->timer[4] = 16;
379 if (p->timer[0] == 0)
380 p->timer[0] = p->timer[3] = 1;
381 }
382 if (recov_time >= 0)
383 p->timer[2] = p->timer[5] = recov_time;
384 buf += strlen(buf);
385 sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
386 p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
387 }
388 return mask;
389 }
390
391 /*======================================================================
392
393 Code to save and restore global state information for Vadem VG468
394 and VG469 controllers, and to set and report global configuration
395 options.
396
397 ======================================================================*/
398
399 static void vg46x_get_state(u_short s)
400 {
401 vg46x_state_t *p = &socket[s].state.vg46x;
402 p->ctl = i365_get(s, VG468_CTL);
403 if (socket[s].type == IS_VG469)
404 p->ema = i365_get(s, VG469_EXT_MODE);
405 }
406
407 static void vg46x_set_state(u_short s)
408 {
409 vg46x_state_t *p = &socket[s].state.vg46x;
410 i365_set(s, VG468_CTL, p->ctl);
411 if (socket[s].type == IS_VG469)
412 i365_set(s, VG469_EXT_MODE, p->ema);
413 }
414
415 static u_int __init vg46x_set_opts(u_short s, char *buf)
416 {
417 vg46x_state_t *p = &socket[s].state.vg46x;
418
419 flip(p->ctl, VG468_CTL_ASYNC, async_clock);
420 flip(p->ema, VG469_MODE_CABLE, cable_mode);
421 if (p->ctl & VG468_CTL_ASYNC)
422 strcat(buf, " [async]");
423 if (p->ctl & VG468_CTL_INPACK)
424 strcat(buf, " [inpack]");
425 if (socket[s].type == IS_VG469) {
426 u_char vsel = i365_get(s, VG469_VSELECT);
427 if (vsel & VG469_VSEL_EXT_STAT) {
428 strcat(buf, " [ext mode]");
429 if (vsel & VG469_VSEL_EXT_BUS)
430 strcat(buf, " [isa buf]");
431 }
432 if (p->ema & VG469_MODE_CABLE)
433 strcat(buf, " [cable]");
434 if (p->ema & VG469_MODE_COMPAT)
435 strcat(buf, " [c step]");
436 }
437 return 0xffff;
438 }
439
440 /*======================================================================
441
442 Generic routines to get and set controller options
443
444 ======================================================================*/
445
446 static void get_bridge_state(u_short s)
447 {
448 struct i82365_socket *t = &socket[s];
449 if (t->flags & IS_CIRRUS)
450 cirrus_get_state(s);
451 else if (t->flags & IS_VADEM)
452 vg46x_get_state(s);
453 }
454
455 static void set_bridge_state(u_short s)
456 {
457 struct i82365_socket *t = &socket[s];
458 if (t->flags & IS_CIRRUS)
459 cirrus_set_state(s);
460 else {
461 i365_set(s, I365_GBLCTL, 0x00);
462 i365_set(s, I365_GENCTL, 0x00);
463 }
464 i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
465 if (t->flags & IS_VADEM)
466 vg46x_set_state(s);
467 }
468
469 static u_int __init set_bridge_opts(u_short s, u_short ns)
470 {
471 u_short i;
472 u_int m = 0xffff;
473 char buf[128];
474
475 for (i = s; i < s+ns; i++) {
476 if (socket[i].flags & IS_ALIVE) {
477 printk(KERN_INFO " host opts [%d]: already alive!\n", i);
478 continue;
479 }
480 buf[0] = '\0';
481 get_bridge_state(i);
482 if (socket[i].flags & IS_CIRRUS)
483 m = cirrus_set_opts(i, buf);
484 else if (socket[i].flags & IS_VADEM)
485 m = vg46x_set_opts(i, buf);
486 set_bridge_state(i);
487 printk(KERN_INFO " host opts [%d]:%s\n", i,
488 (*buf) ? buf : " none");
489 }
490 return m;
491 }
492
493 /*======================================================================
494
495 Interrupt testing code, for ISA and PCI interrupts
496
497 ======================================================================*/
498
499 static volatile u_int irq_hits;
500 static u_short irq_sock;
501
502 static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
503 {
504 i365_get(irq_sock, I365_CSC);
505 irq_hits++;
506 debug(2, "-> hit on irq %d\n", irq);
507 return IRQ_HANDLED;
508 }
509
510 static u_int __init test_irq(u_short sock, int irq)
511 {
512 debug(2, " testing ISA irq %d\n", irq);
513 if (request_irq(irq, i365_count_irq, 0, "scan", 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, 0) == 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, 0) == 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, %#lx-%#lx, "
1088 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1089 mem->res->start, mem->res->end, mem->card_start);
1090
1091 map = mem->map;
1092 if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1093 (mem->res->start > mem->res->end) || (mem->speed > 1000))
1094 return -EINVAL;
1095 if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1096 return -EINVAL;
1097
1098 /* Turn off the window before changing anything */
1099 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1100 i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1101
1102 base = I365_MEM(map);
1103 i = (mem->res->start >> 12) & 0x0fff;
1104 if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1105 if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1106 i365_set_pair(sock, base+I365_W_START, i);
1107
1108 i = (mem->res->end >> 12) & 0x0fff;
1109 switch (to_cycles(mem->speed)) {
1110 case 0: break;
1111 case 1: i |= I365_MEM_WS0; break;
1112 case 2: i |= I365_MEM_WS1; break;
1113 default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1114 }
1115 i365_set_pair(sock, base+I365_W_STOP, i);
1116
1117 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1118 if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1119 if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1120 i365_set_pair(sock, base+I365_W_OFF, i);
1121
1122 /* Turn on the window if necessary */
1123 if (mem->flags & MAP_ACTIVE)
1124 i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1125 return 0;
1126 } /* i365_set_mem_map */
1127
1128 #if 0 /* driver model ordering issue */
1129 /*======================================================================
1130
1131 Routines for accessing socket information and register dumps via
1132 /sys/class/pcmcia_socket/...
1133
1134 ======================================================================*/
1135
1136 static ssize_t show_info(struct class_device *class_dev, char *buf)
1137 {
1138 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1139 return sprintf(buf, "type: %s\npsock: %d\n",
1140 pcic[s->type].name, s->psock);
1141 }
1142
1143 static ssize_t show_exca(struct class_device *class_dev, char *buf)
1144 {
1145 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1146 unsigned short sock;
1147 int i;
1148 ssize_t ret = 0;
1149 unsigned long flags = 0;
1150
1151 sock = s->number;
1152
1153 ISA_LOCK(sock, flags);
1154 for (i = 0; i < 0x40; i += 4) {
1155 ret += sprintf(buf, "%02x %02x %02x %02x%s",
1156 i365_get(sock,i), i365_get(sock,i+1),
1157 i365_get(sock,i+2), i365_get(sock,i+3),
1158 ((i % 16) == 12) ? "\n" : " ");
1159 buf += ret;
1160 }
1161 ISA_UNLOCK(sock, flags);
1162
1163 return ret;
1164 }
1165
1166 static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1167 static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1168 #endif
1169
1170 /*====================================================================*/
1171
1172 /* this is horribly ugly... proper locking needs to be done here at
1173 * some time... */
1174 #define LOCKED(x) do { \
1175 int retval; \
1176 unsigned long flags; \
1177 spin_lock_irqsave(&isa_lock, flags); \
1178 retval = x; \
1179 spin_unlock_irqrestore(&isa_lock, flags); \
1180 return retval; \
1181 } while (0)
1182
1183
1184 static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1185 {
1186 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1187
1188 if (socket[sock].flags & IS_ALIVE) {
1189 *value = 0;
1190 return -EINVAL;
1191 }
1192
1193 LOCKED(i365_get_status(sock, value));
1194 }
1195
1196 static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1197 {
1198 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1199
1200 if (socket[sock].flags & IS_ALIVE)
1201 return -EINVAL;
1202
1203 LOCKED(i365_set_socket(sock, state));
1204 }
1205
1206 static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1207 {
1208 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1209 if (socket[sock].flags & IS_ALIVE)
1210 return -EINVAL;
1211
1212 LOCKED(i365_set_io_map(sock, io));
1213 }
1214
1215 static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1216 {
1217 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1218 if (socket[sock].flags & IS_ALIVE)
1219 return -EINVAL;
1220
1221 LOCKED(i365_set_mem_map(sock, mem));
1222 }
1223
1224 static int pcic_init(struct pcmcia_socket *s)
1225 {
1226 int i;
1227 struct resource res = { .start = 0, .end = 0x1000 };
1228 pccard_io_map io = { 0, 0, 0, 0, 1 };
1229 pccard_mem_map mem = { .res = &res, };
1230
1231 for (i = 0; i < 2; i++) {
1232 io.map = i;
1233 pcic_set_io_map(s, &io);
1234 }
1235 for (i = 0; i < 5; i++) {
1236 mem.map = i;
1237 pcic_set_mem_map(s, &mem);
1238 }
1239 return 0;
1240 }
1241
1242 static struct pccard_operations pcic_operations = {
1243 .init = pcic_init,
1244 .get_status = pcic_get_status,
1245 .set_socket = pcic_set_socket,
1246 .set_io_map = pcic_set_io_map,
1247 .set_mem_map = pcic_set_mem_map,
1248 };
1249
1250 /*====================================================================*/
1251
1252 static struct device_driver i82365_driver = {
1253 .name = "i82365",
1254 .bus = &platform_bus_type,
1255 .suspend = pcmcia_socket_dev_suspend,
1256 .resume = pcmcia_socket_dev_resume,
1257 };
1258
1259 static struct platform_device *i82365_device;
1260
1261 static int __init init_i82365(void)
1262 {
1263 int i, ret;
1264
1265 ret = driver_register(&i82365_driver);
1266 if (ret)
1267 return ret;
1268
1269 i82365_device = platform_device_alloc("i82365", 0);
1270 if (i82365_device) {
1271 ret = platform_device_add(i82365_device);
1272 if (ret)
1273 platform_device_put(i82365_device);
1274 } else
1275 ret = -ENOMEM;
1276
1277 if (ret) {
1278 driver_unregister(&i82365_driver);
1279 return ret;
1280 }
1281
1282 printk(KERN_INFO "Intel ISA PCIC probe: ");
1283 sockets = 0;
1284
1285 isa_probe();
1286
1287 if (sockets == 0) {
1288 printk("not found.\n");
1289 platform_device_unregister(i82365_device);
1290 release_region(i365_base, 2);
1291 driver_unregister(&i82365_driver);
1292 return -ENODEV;
1293 }
1294
1295 /* Set up interrupt handler(s) */
1296 if (grab_irq != 0)
1297 request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1298
1299 /* register sockets with the pcmcia core */
1300 for (i = 0; i < sockets; i++) {
1301 socket[i].socket.dev.dev = &i82365_device->dev;
1302 socket[i].socket.ops = &pcic_operations;
1303 socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1304 socket[i].socket.owner = THIS_MODULE;
1305 socket[i].number = i;
1306 ret = pcmcia_register_socket(&socket[i].socket);
1307 if (!ret)
1308 socket[i].flags |= IS_REGISTERED;
1309
1310 #if 0 /* driver model ordering issue */
1311 class_device_create_file(&socket[i].socket.dev,
1312 &class_device_attr_info);
1313 class_device_create_file(&socket[i].socket.dev,
1314 &class_device_attr_exca);
1315 #endif
1316 }
1317
1318 /* Finally, schedule a polling interrupt */
1319 if (poll_interval != 0) {
1320 poll_timer.function = pcic_interrupt_wrapper;
1321 poll_timer.data = 0;
1322 init_timer(&poll_timer);
1323 poll_timer.expires = jiffies + poll_interval;
1324 add_timer(&poll_timer);
1325 }
1326
1327 return 0;
1328
1329 } /* init_i82365 */
1330
1331 static void __exit exit_i82365(void)
1332 {
1333 int i;
1334
1335 for (i = 0; i < sockets; i++) {
1336 if (socket[i].flags & IS_REGISTERED)
1337 pcmcia_unregister_socket(&socket[i].socket);
1338 }
1339 platform_device_unregister(i82365_device);
1340 if (poll_interval != 0)
1341 del_timer_sync(&poll_timer);
1342 if (grab_irq != 0)
1343 free_irq(cs_irq, pcic_interrupt);
1344 for (i = 0; i < sockets; i++) {
1345 /* Turn off all interrupt sources! */
1346 i365_set(i, I365_CSCINT, 0);
1347 release_region(socket[i].ioaddr, 2);
1348 }
1349 release_region(i365_base, 2);
1350 #ifdef CONFIG_PNP
1351 if (i82365_pnpdev)
1352 pnp_disable_dev(i82365_pnpdev);
1353 #endif
1354 driver_unregister(&i82365_driver);
1355 } /* exit_i82365 */
1356
1357 module_init(init_i82365);
1358 module_exit(exit_i82365);
1359 MODULE_LICENSE("Dual MPL/GPL");
1360 /*====================================================================*/
linux kernel for loongson