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ACPI: ibm-acpi: implement fan watchdog command
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / pcmcia / i82365.c
blobea74f98a73503447014ce060b5812f2506ea6f72
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 *);
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)
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 {
853 int i, j, csc;
854 u_int events, active;
855 u_long flags = 0;
856 int handled = 0;
857
858 debug(4, "pcic_interrupt(%d)\n", irq);
859
860 for (j = 0; j < 20; j++) {
861 active = 0;
862 for (i = 0; i < sockets; i++) {
863 if (socket[i].cs_irq != irq)
864 continue;
865 handled = 1;
866 ISA_LOCK(i, flags);
867 csc = i365_get(i, I365_CSC);
868 if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
869 ISA_UNLOCK(i, flags);
870 continue;
871 }
872 events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
873
874 if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
875 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
876 else {
877 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
878 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
879 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
880 }
881 ISA_UNLOCK(i, flags);
882 debug(2, "socket %d event 0x%02x\n", i, events);
883
884 if (events)
885 pcmcia_parse_events(&socket[i].socket, events);
886
887 active |= events;
888 }
889 if (!active) break;
890 }
891 if (j == 20)
892 printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
893
894 debug(4, "interrupt done\n");
895 return IRQ_RETVAL(handled);
896 } /* pcic_interrupt */
897
898 static void pcic_interrupt_wrapper(u_long data)
899 {
900 pcic_interrupt(0, NULL);
901 poll_timer.expires = jiffies + poll_interval;
902 add_timer(&poll_timer);
903 }
904
905 /*====================================================================*/
906
907 static int i365_get_status(u_short sock, u_int *value)
908 {
909 u_int status;
910
911 status = i365_get(sock, I365_STATUS);
912 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
913 ? SS_DETECT : 0;
914
915 if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
916 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
917 else {
918 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
919 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
920 }
921 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
922 *value |= (status & I365_CS_READY) ? SS_READY : 0;
923 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
924
925 if (socket[sock].type == IS_VG469) {
926 status = i365_get(sock, VG469_VSENSE);
927 if (socket[sock].psock & 1) {
928 *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
929 *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
930 } else {
931 *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
932 *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
933 }
934 }
935
936 debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value);
937 return 0;
938 } /* i365_get_status */
939
940 /*====================================================================*/
941
942 static int i365_set_socket(u_short sock, socket_state_t *state)
943 {
944 struct i82365_socket *t = &socket[sock];
945 u_char reg;
946
947 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
948 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
949 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
950
951 /* First set global controller options */
952 set_bridge_state(sock);
953
954 /* IO card, RESET flag, IO interrupt */
955 reg = t->intr;
956 reg |= state->io_irq;
957 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
958 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
959 i365_set(sock, I365_INTCTL, reg);
960
961 reg = I365_PWR_NORESET;
962 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
963 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
964
965 if (t->flags & IS_CIRRUS) {
966 if (state->Vpp != 0) {
967 if (state->Vpp == 120)
968 reg |= I365_VPP1_12V;
969 else if (state->Vpp == state->Vcc)
970 reg |= I365_VPP1_5V;
971 else return -EINVAL;
972 }
973 if (state->Vcc != 0) {
974 reg |= I365_VCC_5V;
975 if (state->Vcc == 33)
976 i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
977 else if (state->Vcc == 50)
978 i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
979 else return -EINVAL;
980 }
981 } else if (t->flags & IS_VG_PWR) {
982 if (state->Vpp != 0) {
983 if (state->Vpp == 120)
984 reg |= I365_VPP1_12V;
985 else if (state->Vpp == state->Vcc)
986 reg |= I365_VPP1_5V;
987 else return -EINVAL;
988 }
989 if (state->Vcc != 0) {
990 reg |= I365_VCC_5V;
991 if (state->Vcc == 33)
992 i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
993 else if (state->Vcc == 50)
994 i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
995 else return -EINVAL;
996 }
997 } else if (t->flags & IS_DF_PWR) {
998 switch (state->Vcc) {
999 case 0: break;
1000 case 33: reg |= I365_VCC_3V; break;
1001 case 50: reg |= I365_VCC_5V; break;
1002 default: return -EINVAL;
1003 }
1004 switch (state->Vpp) {
1005 case 0: break;
1006 case 50: reg |= I365_VPP1_5V; break;
1007 case 120: reg |= I365_VPP1_12V; break;
1008 default: return -EINVAL;
1009 }
1010 } else {
1011 switch (state->Vcc) {
1012 case 0: break;
1013 case 50: reg |= I365_VCC_5V; break;
1014 default: return -EINVAL;
1015 }
1016 switch (state->Vpp) {
1017 case 0: break;
1018 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
1019 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1020 default: return -EINVAL;
1021 }
1022 }
1023
1024 if (reg != i365_get(sock, I365_POWER))
1025 i365_set(sock, I365_POWER, reg);
1026
1027 /* Chipset-specific functions */
1028 if (t->flags & IS_CIRRUS) {
1029 /* Speaker control */
1030 i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1031 state->flags & SS_SPKR_ENA);
1032 }
1033
1034 /* Card status change interrupt mask */
1035 reg = t->cs_irq << 4;
1036 if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1037 if (state->flags & SS_IOCARD) {
1038 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1039 } else {
1040 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1041 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1042 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1043 }
1044 i365_set(sock, I365_CSCINT, reg);
1045 i365_get(sock, I365_CSC);
1046
1047 return 0;
1048 } /* i365_set_socket */
1049
1050 /*====================================================================*/
1051
1052 static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1053 {
1054 u_char map, ioctl;
1055
1056 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
1057 "%#lx-%#lx)\n", sock, io->map, io->flags,
1058 io->speed, io->start, io->stop);
1059 map = io->map;
1060 if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1061 (io->stop < io->start)) return -EINVAL;
1062 /* Turn off the window before changing anything */
1063 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1064 i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1065 i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1066 i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1067 ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1068 if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1069 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1070 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1071 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1072 i365_set(sock, I365_IOCTL, ioctl);
1073 /* Turn on the window if necessary */
1074 if (io->flags & MAP_ACTIVE)
1075 i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1076 return 0;
1077 } /* i365_set_io_map */
1078
1079 /*====================================================================*/
1080
1081 static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1082 {
1083 u_short base, i;
1084 u_char map;
1085
1086 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, "
1087 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1088 (unsigned long long)mem->res->start,
1089 (unsigned long long)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 2.6 ibm-acpi/thinkpad-acpi driver git tree