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drm/radeon/kms: clean up multiple crtc handling for evergreen+ (v2)
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / pcmcia / i82365.c
blob72a033a2acdb262684cf02a164efb6ee89cea408
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/ioport.h>
44 #include <linux/delay.h>
45 #include <linux/workqueue.h>
46 #include <linux/interrupt.h>
47 #include <linux/platform_device.h>
48 #include <linux/bitops.h>
49 #include <asm/irq.h>
50 #include <asm/io.h>
51 #include <asm/system.h>
52
53 #include <pcmcia/ss.h>
54
55 #include <linux/isapnp.h>
56
57 /* ISA-bus controllers */
58 #include "i82365.h"
59 #include "cirrus.h"
60 #include "vg468.h"
61 #include "ricoh.h"
62
63
64 static irqreturn_t i365_count_irq(int, void *);
65 static inline int _check_irq(int irq, int flags)
66 {
67 if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
68 return -1;
69 free_irq(irq, i365_count_irq);
70 return 0;
71 }
72
73 /*====================================================================*/
74
75 /* Parameters that can be set with 'insmod' */
76
77 /* Default base address for i82365sl and other ISA chips */
78 static unsigned long i365_base = 0x3e0;
79 /* Should we probe at 0x3e2 for an extra ISA controller? */
80 static int extra_sockets = 0;
81 /* Specify a socket number to ignore */
82 static int ignore = -1;
83 /* Bit map or list of interrupts to choose from */
84 static u_int irq_mask = 0xffff;
85 static int irq_list[16];
86 static unsigned int irq_list_count;
87 /* The card status change interrupt -- 0 means autoselect */
88 static int cs_irq = 0;
89
90 /* Probe for safe interrupts? */
91 static int do_scan = 1;
92 /* Poll status interval -- 0 means default to interrupt */
93 static int poll_interval = 0;
94 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
95 static int cycle_time = 120;
96
97 /* Cirrus options */
98 static int has_dma = -1;
99 static int has_led = -1;
100 static int has_ring = -1;
101 static int dynamic_mode = 0;
102 static int freq_bypass = -1;
103 static int setup_time = -1;
104 static int cmd_time = -1;
105 static int recov_time = -1;
106
107 /* Vadem options */
108 static int async_clock = -1;
109 static int cable_mode = -1;
110 static int wakeup = 0;
111
112 module_param(i365_base, ulong, 0444);
113 module_param(ignore, int, 0444);
114 module_param(extra_sockets, int, 0444);
115 module_param(irq_mask, int, 0444);
116 module_param_array(irq_list, int, &irq_list_count, 0444);
117 module_param(cs_irq, int, 0444);
118 module_param(async_clock, int, 0444);
119 module_param(cable_mode, int, 0444);
120 module_param(wakeup, int, 0444);
121
122 module_param(do_scan, int, 0444);
123 module_param(poll_interval, int, 0444);
124 module_param(cycle_time, int, 0444);
125 module_param(has_dma, int, 0444);
126 module_param(has_led, int, 0444);
127 module_param(has_ring, int, 0444);
128 module_param(dynamic_mode, int, 0444);
129 module_param(freq_bypass, int, 0444);
130 module_param(setup_time, int, 0444);
131 module_param(cmd_time, int, 0444);
132 module_param(recov_time, int, 0444);
133
134 /*====================================================================*/
135
136 typedef struct cirrus_state_t {
137 u_char misc1, misc2;
138 u_char timer[6];
139 } cirrus_state_t;
140
141 typedef struct vg46x_state_t {
142 u_char ctl, ema;
143 } vg46x_state_t;
144
145 struct i82365_socket {
146 u_short type, flags;
147 struct pcmcia_socket socket;
148 unsigned int number;
149 unsigned int ioaddr;
150 u_short psock;
151 u_char cs_irq, intr;
152 union {
153 cirrus_state_t cirrus;
154 vg46x_state_t vg46x;
155 } state;
156 };
157
158 /* Where we keep track of our sockets... */
159 static int sockets = 0;
160 static struct i82365_socket socket[8] = {
161 { 0, }, /* ... */
162 };
163
164 /* Default ISA interrupt mask */
165 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
166
167 static int grab_irq;
168 static DEFINE_SPINLOCK(isa_lock);
169 #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
170 #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
171
172 static struct timer_list poll_timer;
173
174 /*====================================================================*/
175
176 /* These definitions must match the pcic table! */
177 typedef enum pcic_id {
178 IS_I82365A, IS_I82365B, IS_I82365DF,
179 IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
180 IS_PD6710, IS_PD672X, IS_VT83C469,
181 } pcic_id;
182
183 /* Flags for classifying groups of controllers */
184 #define IS_VADEM 0x0001
185 #define IS_CIRRUS 0x0002
186 #define IS_VIA 0x0010
187 #define IS_UNKNOWN 0x0400
188 #define IS_VG_PWR 0x0800
189 #define IS_DF_PWR 0x1000
190 #define IS_REGISTERED 0x2000
191 #define IS_ALIVE 0x8000
192
193 typedef struct pcic_t {
194 char *name;
195 u_short flags;
196 } pcic_t;
197
198 static pcic_t pcic[] = {
199 { "Intel i82365sl A step", 0 },
200 { "Intel i82365sl B step", 0 },
201 { "Intel i82365sl DF", IS_DF_PWR },
202 { "IBM Clone", 0 },
203 { "Ricoh RF5C296/396", 0 },
204 { "VLSI 82C146", 0 },
205 { "Vadem VG-468", IS_VADEM },
206 { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
207 { "Cirrus PD6710", IS_CIRRUS },
208 { "Cirrus PD672x", IS_CIRRUS },
209 { "VIA VT83C469", IS_CIRRUS|IS_VIA },
210 };
211
212 #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
213
214 /*====================================================================*/
215
216 static DEFINE_SPINLOCK(bus_lock);
217
218 static u_char i365_get(u_short sock, u_short reg)
219 {
220 unsigned long flags;
221 spin_lock_irqsave(&bus_lock,flags);
222 {
223 unsigned int port = socket[sock].ioaddr;
224 u_char val;
225 reg = I365_REG(socket[sock].psock, reg);
226 outb(reg, port); val = inb(port+1);
227 spin_unlock_irqrestore(&bus_lock,flags);
228 return val;
229 }
230 }
231
232 static void i365_set(u_short sock, u_short reg, u_char data)
233 {
234 unsigned long flags;
235 spin_lock_irqsave(&bus_lock,flags);
236 {
237 unsigned int port = socket[sock].ioaddr;
238 u_char val = I365_REG(socket[sock].psock, reg);
239 outb(val, port); outb(data, port+1);
240 spin_unlock_irqrestore(&bus_lock,flags);
241 }
242 }
243
244 static void i365_bset(u_short sock, u_short reg, u_char mask)
245 {
246 u_char d = i365_get(sock, reg);
247 d |= mask;
248 i365_set(sock, reg, d);
249 }
250
251 static void i365_bclr(u_short sock, u_short reg, u_char mask)
252 {
253 u_char d = i365_get(sock, reg);
254 d &= ~mask;
255 i365_set(sock, reg, d);
256 }
257
258 static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
259 {
260 u_char d = i365_get(sock, reg);
261 if (b)
262 d |= mask;
263 else
264 d &= ~mask;
265 i365_set(sock, reg, d);
266 }
267
268 static u_short i365_get_pair(u_short sock, u_short reg)
269 {
270 u_short a, b;
271 a = i365_get(sock, reg);
272 b = i365_get(sock, reg+1);
273 return (a + (b<<8));
274 }
275
276 static void i365_set_pair(u_short sock, u_short reg, u_short data)
277 {
278 i365_set(sock, reg, data & 0xff);
279 i365_set(sock, reg+1, data >> 8);
280 }
281
282 /*======================================================================
283
284 Code to save and restore global state information for Cirrus
285 PD67xx controllers, and to set and report global configuration
286 options.
287
288 The VIA controllers also use these routines, as they are mostly
289 Cirrus lookalikes, without the timing registers.
290
291 ======================================================================*/
292
293 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
294
295 static void cirrus_get_state(u_short s)
296 {
297 int i;
298 cirrus_state_t *p = &socket[s].state.cirrus;
299 p->misc1 = i365_get(s, PD67_MISC_CTL_1);
300 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
301 p->misc2 = i365_get(s, PD67_MISC_CTL_2);
302 for (i = 0; i < 6; i++)
303 p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
304 }
305
306 static void cirrus_set_state(u_short s)
307 {
308 int i;
309 u_char misc;
310 cirrus_state_t *p = &socket[s].state.cirrus;
311
312 misc = i365_get(s, PD67_MISC_CTL_2);
313 i365_set(s, PD67_MISC_CTL_2, p->misc2);
314 if (misc & PD67_MC2_SUSPEND) mdelay(50);
315 misc = i365_get(s, PD67_MISC_CTL_1);
316 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
317 i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
318 for (i = 0; i < 6; i++)
319 i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
320 }
321
322 static u_int __init cirrus_set_opts(u_short s, char *buf)
323 {
324 struct i82365_socket *t = &socket[s];
325 cirrus_state_t *p = &socket[s].state.cirrus;
326 u_int mask = 0xffff;
327
328 if (has_ring == -1) has_ring = 1;
329 flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
330 flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
331 flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
332 if (p->misc2 & PD67_MC2_IRQ15_RI)
333 strcat(buf, " [ring]");
334 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
335 strcat(buf, " [dyn mode]");
336 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
337 strcat(buf, " [freq bypass]");
338 if (p->misc1 & PD67_MC1_INPACK_ENA)
339 strcat(buf, " [inpack]");
340 if (p->misc2 & PD67_MC2_IRQ15_RI)
341 mask &= ~0x8000;
342 if (has_led > 0) {
343 strcat(buf, " [led]");
344 mask &= ~0x1000;
345 }
346 if (has_dma > 0) {
347 strcat(buf, " [dma]");
348 mask &= ~0x0600;
349 }
350 if (!(t->flags & IS_VIA)) {
351 if (setup_time >= 0)
352 p->timer[0] = p->timer[3] = setup_time;
353 if (cmd_time > 0) {
354 p->timer[1] = cmd_time;
355 p->timer[4] = cmd_time*2+4;
356 }
357 if (p->timer[1] == 0) {
358 p->timer[1] = 6; p->timer[4] = 16;
359 if (p->timer[0] == 0)
360 p->timer[0] = p->timer[3] = 1;
361 }
362 if (recov_time >= 0)
363 p->timer[2] = p->timer[5] = recov_time;
364 buf += strlen(buf);
365 sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
366 p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
367 }
368 return mask;
369 }
370
371 /*======================================================================
372
373 Code to save and restore global state information for Vadem VG468
374 and VG469 controllers, and to set and report global configuration
375 options.
376
377 ======================================================================*/
378
379 static void vg46x_get_state(u_short s)
380 {
381 vg46x_state_t *p = &socket[s].state.vg46x;
382 p->ctl = i365_get(s, VG468_CTL);
383 if (socket[s].type == IS_VG469)
384 p->ema = i365_get(s, VG469_EXT_MODE);
385 }
386
387 static void vg46x_set_state(u_short s)
388 {
389 vg46x_state_t *p = &socket[s].state.vg46x;
390 i365_set(s, VG468_CTL, p->ctl);
391 if (socket[s].type == IS_VG469)
392 i365_set(s, VG469_EXT_MODE, p->ema);
393 }
394
395 static u_int __init vg46x_set_opts(u_short s, char *buf)
396 {
397 vg46x_state_t *p = &socket[s].state.vg46x;
398
399 flip(p->ctl, VG468_CTL_ASYNC, async_clock);
400 flip(p->ema, VG469_MODE_CABLE, cable_mode);
401 if (p->ctl & VG468_CTL_ASYNC)
402 strcat(buf, " [async]");
403 if (p->ctl & VG468_CTL_INPACK)
404 strcat(buf, " [inpack]");
405 if (socket[s].type == IS_VG469) {
406 u_char vsel = i365_get(s, VG469_VSELECT);
407 if (vsel & VG469_VSEL_EXT_STAT) {
408 strcat(buf, " [ext mode]");
409 if (vsel & VG469_VSEL_EXT_BUS)
410 strcat(buf, " [isa buf]");
411 }
412 if (p->ema & VG469_MODE_CABLE)
413 strcat(buf, " [cable]");
414 if (p->ema & VG469_MODE_COMPAT)
415 strcat(buf, " [c step]");
416 }
417 return 0xffff;
418 }
419
420 /*======================================================================
421
422 Generic routines to get and set controller options
423
424 ======================================================================*/
425
426 static void get_bridge_state(u_short s)
427 {
428 struct i82365_socket *t = &socket[s];
429 if (t->flags & IS_CIRRUS)
430 cirrus_get_state(s);
431 else if (t->flags & IS_VADEM)
432 vg46x_get_state(s);
433 }
434
435 static void set_bridge_state(u_short s)
436 {
437 struct i82365_socket *t = &socket[s];
438 if (t->flags & IS_CIRRUS)
439 cirrus_set_state(s);
440 else {
441 i365_set(s, I365_GBLCTL, 0x00);
442 i365_set(s, I365_GENCTL, 0x00);
443 }
444 i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
445 if (t->flags & IS_VADEM)
446 vg46x_set_state(s);
447 }
448
449 static u_int __init set_bridge_opts(u_short s, u_short ns)
450 {
451 u_short i;
452 u_int m = 0xffff;
453 char buf[128];
454
455 for (i = s; i < s+ns; i++) {
456 if (socket[i].flags & IS_ALIVE) {
457 printk(KERN_INFO " host opts [%d]: already alive!\n", i);
458 continue;
459 }
460 buf[0] = '\0';
461 get_bridge_state(i);
462 if (socket[i].flags & IS_CIRRUS)
463 m = cirrus_set_opts(i, buf);
464 else if (socket[i].flags & IS_VADEM)
465 m = vg46x_set_opts(i, buf);
466 set_bridge_state(i);
467 printk(KERN_INFO " host opts [%d]:%s\n", i,
468 (*buf) ? buf : " none");
469 }
470 return m;
471 }
472
473 /*======================================================================
474
475 Interrupt testing code, for ISA and PCI interrupts
476
477 ======================================================================*/
478
479 static volatile u_int irq_hits;
480 static u_short irq_sock;
481
482 static irqreturn_t i365_count_irq(int irq, void *dev)
483 {
484 i365_get(irq_sock, I365_CSC);
485 irq_hits++;
486 pr_debug("i82365: -> hit on irq %d\n", irq);
487 return IRQ_HANDLED;
488 }
489
490 static u_int __init test_irq(u_short sock, int irq)
491 {
492 pr_debug("i82365: testing ISA irq %d\n", irq);
493 if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan",
494 i365_count_irq) != 0)
495 return 1;
496 irq_hits = 0; irq_sock = sock;
497 msleep(10);
498 if (irq_hits) {
499 free_irq(irq, i365_count_irq);
500 pr_debug("i82365: spurious hit!\n");
501 return 1;
502 }
503
504 /* Generate one interrupt */
505 i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
506 i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
507 udelay(1000);
508
509 free_irq(irq, i365_count_irq);
510
511 /* mask all interrupts */
512 i365_set(sock, I365_CSCINT, 0);
513 pr_debug("i82365: hits = %d\n", irq_hits);
514
515 return (irq_hits != 1);
516 }
517
518 static u_int __init isa_scan(u_short sock, u_int mask0)
519 {
520 u_int mask1 = 0;
521 int i;
522
523 #ifdef __alpha__
524 #define PIC 0x4d0
525 /* Don't probe level-triggered interrupts -- reserved for PCI */
526 mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
527 #endif
528
529 if (do_scan) {
530 set_bridge_state(sock);
531 i365_set(sock, I365_CSCINT, 0);
532 for (i = 0; i < 16; i++)
533 if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
534 mask1 |= (1 << i);
535 for (i = 0; i < 16; i++)
536 if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
537 mask1 ^= (1 << i);
538 }
539
540 printk(KERN_INFO " ISA irqs (");
541 if (mask1) {
542 printk("scanned");
543 } else {
544 /* Fallback: just find interrupts that aren't in use */
545 for (i = 0; i < 16; i++)
546 if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0))
547 mask1 |= (1 << i);
548 printk("default");
549 /* If scan failed, default to polled status */
550 if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
551 }
552 printk(") = ");
553
554 for (i = 0; i < 16; i++)
555 if (mask1 & (1<<i))
556 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
557 if (mask1 == 0) printk("none!");
558
559 return mask1;
560 }
561
562 /*====================================================================*/
563
564 /* Time conversion functions */
565
566 static int to_cycles(int ns)
567 {
568 return ns/cycle_time;
569 }
570
571 /*====================================================================*/
572
573 static int __init identify(unsigned int port, u_short sock)
574 {
575 u_char val;
576 int type = -1;
577
578 /* Use the next free entry in the socket table */
579 socket[sockets].ioaddr = port;
580 socket[sockets].psock = sock;
581
582 /* Wake up a sleepy Cirrus controller */
583 if (wakeup) {
584 i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
585 /* Pause at least 50 ms */
586 mdelay(50);
587 }
588
589 if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
590 return -1;
591 switch (val) {
592 case 0x82:
593 type = IS_I82365A; break;
594 case 0x83:
595 type = IS_I82365B; break;
596 case 0x84:
597 type = IS_I82365DF; break;
598 case 0x88: case 0x89: case 0x8a:
599 type = IS_IBM; break;
600 }
601
602 /* Check for Vadem VG-468 chips */
603 outb(0x0e, port);
604 outb(0x37, port);
605 i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
606 val = i365_get(sockets, I365_IDENT);
607 if (val & I365_IDENT_VADEM) {
608 i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
609 type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
610 }
611
612 /* Check for Ricoh chips */
613 val = i365_get(sockets, RF5C_CHIP_ID);
614 if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
615 type = IS_RF5Cx96;
616
617 /* Check for Cirrus CL-PD67xx chips */
618 i365_set(sockets, PD67_CHIP_INFO, 0);
619 val = i365_get(sockets, PD67_CHIP_INFO);
620 if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
621 val = i365_get(sockets, PD67_CHIP_INFO);
622 if ((val & PD67_INFO_CHIP_ID) == 0) {
623 type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
624 i365_set(sockets, PD67_EXT_INDEX, 0xe5);
625 if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
626 type = IS_VT83C469;
627 }
628 }
629 return type;
630 } /* identify */
631
632 /*======================================================================
633
634 See if a card is present, powered up, in IO mode, and already
635 bound to a (non PC Card) Linux driver. We leave these alone.
636
637 We make an exception for cards that seem to be serial devices.
638
639 ======================================================================*/
640
641 static int __init is_alive(u_short sock)
642 {
643 u_char stat;
644 unsigned int start, stop;
645
646 stat = i365_get(sock, I365_STATUS);
647 start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
648 stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
649 if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
650 (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
651 (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
652 ((start & 0xfeef) != 0x02e8)) {
653 if (!request_region(start, stop-start+1, "i82365"))
654 return 1;
655 release_region(start, stop-start+1);
656 }
657
658 return 0;
659 }
660
661 /*====================================================================*/
662
663 static void __init add_socket(unsigned int port, int psock, int type)
664 {
665 socket[sockets].ioaddr = port;
666 socket[sockets].psock = psock;
667 socket[sockets].type = type;
668 socket[sockets].flags = pcic[type].flags;
669 if (is_alive(sockets))
670 socket[sockets].flags |= IS_ALIVE;
671 sockets++;
672 }
673
674 static void __init add_pcic(int ns, int type)
675 {
676 u_int mask = 0, i, base;
677 int isa_irq = 0;
678 struct i82365_socket *t = &socket[sockets-ns];
679
680 base = sockets-ns;
681 if (base == 0) printk("\n");
682 printk(KERN_INFO " %s", pcic[type].name);
683 printk(" ISA-to-PCMCIA at port %#x ofs 0x%02x",
684 t->ioaddr, t->psock*0x40);
685 printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
686
687 /* Set host options, build basic interrupt mask */
688 if (irq_list_count == 0)
689 mask = irq_mask;
690 else
691 for (i = mask = 0; i < irq_list_count; i++)
692 mask |= (1<<irq_list[i]);
693 mask &= I365_MASK & set_bridge_opts(base, ns);
694 /* Scan for ISA interrupts */
695 mask = isa_scan(base, mask);
696
697 /* Poll if only two interrupts available */
698 if (!poll_interval) {
699 u_int tmp = (mask & 0xff20);
700 tmp = tmp & (tmp-1);
701 if ((tmp & (tmp-1)) == 0)
702 poll_interval = HZ;
703 }
704 /* Only try an ISA cs_irq if this is the first controller */
705 if (!grab_irq && (cs_irq || !poll_interval)) {
706 /* Avoid irq 12 unless it is explicitly requested */
707 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
708 for (cs_irq = 15; cs_irq > 0; cs_irq--)
709 if ((cs_mask & (1 << cs_irq)) &&
710 (_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0))
711 break;
712 if (cs_irq) {
713 grab_irq = 1;
714 isa_irq = cs_irq;
715 printk(" status change on irq %d\n", cs_irq);
716 }
717 }
718
719 if (!isa_irq) {
720 if (poll_interval == 0)
721 poll_interval = HZ;
722 printk(" polling interval = %d ms\n",
723 poll_interval * 1000 / HZ);
724
725 }
726
727 /* Update socket interrupt information, capabilities */
728 for (i = 0; i < ns; i++) {
729 t[i].socket.features |= SS_CAP_PCCARD;
730 t[i].socket.map_size = 0x1000;
731 t[i].socket.irq_mask = mask;
732 t[i].cs_irq = isa_irq;
733 }
734
735 } /* add_pcic */
736
737 /*====================================================================*/
738
739 #ifdef CONFIG_PNP
740 static struct isapnp_device_id id_table[] __initdata = {
741 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
742 ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
743 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
744 ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
745 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
746 ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
747 { 0 }
748 };
749 MODULE_DEVICE_TABLE(isapnp, id_table);
750
751 static struct pnp_dev *i82365_pnpdev;
752 #endif
753
754 static void __init isa_probe(void)
755 {
756 int i, j, sock, k, ns, id;
757 unsigned int port;
758 #ifdef CONFIG_PNP
759 struct isapnp_device_id *devid;
760 struct pnp_dev *dev;
761
762 for (devid = id_table; devid->vendor; devid++) {
763 if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
764
765 if (pnp_device_attach(dev) < 0)
766 continue;
767
768 if (pnp_activate_dev(dev) < 0) {
769 printk("activate failed\n");
770 pnp_device_detach(dev);
771 break;
772 }
773
774 if (!pnp_port_valid(dev, 0)) {
775 printk("invalid resources ?\n");
776 pnp_device_detach(dev);
777 break;
778 }
779 i365_base = pnp_port_start(dev, 0);
780 i82365_pnpdev = dev;
781 break;
782 }
783 }
784 #endif
785
786 if (!request_region(i365_base, 2, "i82365")) {
787 if (sockets == 0)
788 printk("port conflict at %#lx\n", i365_base);
789 return;
790 }
791
792 id = identify(i365_base, 0);
793 if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
794 for (i = 0; i < 4; i++) {
795 if (i == ignore) continue;
796 port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
797 sock = (i & 1) << 1;
798 if (identify(port, sock) == IS_I82365DF) {
799 add_socket(port, sock, IS_VLSI);
800 add_pcic(1, IS_VLSI);
801 }
802 }
803 } else {
804 for (i = 0; i < 8; i += 2) {
805 if (sockets && !extra_sockets && (i == 4))
806 break;
807 port = i365_base + 2*(i>>2);
808 sock = (i & 3);
809 id = identify(port, sock);
810 if (id < 0) continue;
811
812 for (j = ns = 0; j < 2; j++) {
813 /* Does the socket exist? */
814 if ((ignore == i+j) || (identify(port, sock+j) < 0))
815 continue;
816 /* Check for bad socket decode */
817 for (k = 0; k <= sockets; k++)
818 i365_set(k, I365_MEM(0)+I365_W_OFF, k);
819 for (k = 0; k <= sockets; k++)
820 if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
821 break;
822 if (k <= sockets) break;
823 add_socket(port, sock+j, id); ns++;
824 }
825 if (ns != 0) add_pcic(ns, id);
826 }
827 }
828 }
829
830 /*====================================================================*/
831
832 static irqreturn_t pcic_interrupt(int irq, void *dev)
833 {
834 int i, j, csc;
835 u_int events, active;
836 u_long flags = 0;
837 int handled = 0;
838
839 pr_debug("pcic_interrupt(%d)\n", irq);
840
841 for (j = 0; j < 20; j++) {
842 active = 0;
843 for (i = 0; i < sockets; i++) {
844 if (socket[i].cs_irq != irq)
845 continue;
846 handled = 1;
847 ISA_LOCK(i, flags);
848 csc = i365_get(i, I365_CSC);
849 if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
850 ISA_UNLOCK(i, flags);
851 continue;
852 }
853 events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
854
855 if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
856 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
857 else {
858 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
859 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
860 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
861 }
862 ISA_UNLOCK(i, flags);
863 pr_debug("socket %d event 0x%02x\n", i, events);
864
865 if (events)
866 pcmcia_parse_events(&socket[i].socket, events);
867
868 active |= events;
869 }
870 if (!active) break;
871 }
872 if (j == 20)
873 printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
874
875 pr_debug("pcic_interrupt done\n");
876 return IRQ_RETVAL(handled);
877 } /* pcic_interrupt */
878
879 static void pcic_interrupt_wrapper(u_long data)
880 {
881 pcic_interrupt(0, NULL);
882 poll_timer.expires = jiffies + poll_interval;
883 add_timer(&poll_timer);
884 }
885
886 /*====================================================================*/
887
888 static int i365_get_status(u_short sock, u_int *value)
889 {
890 u_int status;
891
892 status = i365_get(sock, I365_STATUS);
893 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
894 ? SS_DETECT : 0;
895
896 if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
897 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
898 else {
899 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
900 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
901 }
902 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
903 *value |= (status & I365_CS_READY) ? SS_READY : 0;
904 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
905
906 if (socket[sock].type == IS_VG469) {
907 status = i365_get(sock, VG469_VSENSE);
908 if (socket[sock].psock & 1) {
909 *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
910 *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
911 } else {
912 *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
913 *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
914 }
915 }
916
917 pr_debug("GetStatus(%d) = %#4.4x\n", sock, *value);
918 return 0;
919 } /* i365_get_status */
920
921 /*====================================================================*/
922
923 static int i365_set_socket(u_short sock, socket_state_t *state)
924 {
925 struct i82365_socket *t = &socket[sock];
926 u_char reg;
927
928 pr_debug("SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
929 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
930 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
931
932 /* First set global controller options */
933 set_bridge_state(sock);
934
935 /* IO card, RESET flag, IO interrupt */
936 reg = t->intr;
937 reg |= state->io_irq;
938 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
939 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
940 i365_set(sock, I365_INTCTL, reg);
941
942 reg = I365_PWR_NORESET;
943 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
944 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
945
946 if (t->flags & IS_CIRRUS) {
947 if (state->Vpp != 0) {
948 if (state->Vpp == 120)
949 reg |= I365_VPP1_12V;
950 else if (state->Vpp == state->Vcc)
951 reg |= I365_VPP1_5V;
952 else return -EINVAL;
953 }
954 if (state->Vcc != 0) {
955 reg |= I365_VCC_5V;
956 if (state->Vcc == 33)
957 i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
958 else if (state->Vcc == 50)
959 i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
960 else return -EINVAL;
961 }
962 } else if (t->flags & IS_VG_PWR) {
963 if (state->Vpp != 0) {
964 if (state->Vpp == 120)
965 reg |= I365_VPP1_12V;
966 else if (state->Vpp == state->Vcc)
967 reg |= I365_VPP1_5V;
968 else return -EINVAL;
969 }
970 if (state->Vcc != 0) {
971 reg |= I365_VCC_5V;
972 if (state->Vcc == 33)
973 i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
974 else if (state->Vcc == 50)
975 i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
976 else return -EINVAL;
977 }
978 } else if (t->flags & IS_DF_PWR) {
979 switch (state->Vcc) {
980 case 0: break;
981 case 33: reg |= I365_VCC_3V; break;
982 case 50: reg |= I365_VCC_5V; break;
983 default: return -EINVAL;
984 }
985 switch (state->Vpp) {
986 case 0: break;
987 case 50: reg |= I365_VPP1_5V; break;
988 case 120: reg |= I365_VPP1_12V; break;
989 default: return -EINVAL;
990 }
991 } else {
992 switch (state->Vcc) {
993 case 0: break;
994 case 50: reg |= I365_VCC_5V; break;
995 default: return -EINVAL;
996 }
997 switch (state->Vpp) {
998 case 0: break;
999 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
1000 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1001 default: return -EINVAL;
1002 }
1003 }
1004
1005 if (reg != i365_get(sock, I365_POWER))
1006 i365_set(sock, I365_POWER, reg);
1007
1008 /* Chipset-specific functions */
1009 if (t->flags & IS_CIRRUS) {
1010 /* Speaker control */
1011 i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1012 state->flags & SS_SPKR_ENA);
1013 }
1014
1015 /* Card status change interrupt mask */
1016 reg = t->cs_irq << 4;
1017 if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1018 if (state->flags & SS_IOCARD) {
1019 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1020 } else {
1021 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1022 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1023 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1024 }
1025 i365_set(sock, I365_CSCINT, reg);
1026 i365_get(sock, I365_CSC);
1027
1028 return 0;
1029 } /* i365_set_socket */
1030
1031 /*====================================================================*/
1032
1033 static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1034 {
1035 u_char map, ioctl;
1036
1037 pr_debug("SetIOMap(%d, %d, %#2.2x, %d ns, "
1038 "%#llx-%#llx)\n", sock, io->map, io->flags, io->speed,
1039 (unsigned long long)io->start, (unsigned long long)io->stop);
1040 map = io->map;
1041 if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1042 (io->stop < io->start)) return -EINVAL;
1043 /* Turn off the window before changing anything */
1044 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1045 i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1046 i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1047 i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1048 ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1049 if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1050 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1051 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1052 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1053 i365_set(sock, I365_IOCTL, ioctl);
1054 /* Turn on the window if necessary */
1055 if (io->flags & MAP_ACTIVE)
1056 i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1057 return 0;
1058 } /* i365_set_io_map */
1059
1060 /*====================================================================*/
1061
1062 static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1063 {
1064 u_short base, i;
1065 u_char map;
1066
1067 pr_debug("SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, "
1068 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1069 (unsigned long long)mem->res->start,
1070 (unsigned long long)mem->res->end, mem->card_start);
1071
1072 map = mem->map;
1073 if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1074 (mem->res->start > mem->res->end) || (mem->speed > 1000))
1075 return -EINVAL;
1076 if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1077 return -EINVAL;
1078
1079 /* Turn off the window before changing anything */
1080 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1081 i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1082
1083 base = I365_MEM(map);
1084 i = (mem->res->start >> 12) & 0x0fff;
1085 if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1086 if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1087 i365_set_pair(sock, base+I365_W_START, i);
1088
1089 i = (mem->res->end >> 12) & 0x0fff;
1090 switch (to_cycles(mem->speed)) {
1091 case 0: break;
1092 case 1: i |= I365_MEM_WS0; break;
1093 case 2: i |= I365_MEM_WS1; break;
1094 default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1095 }
1096 i365_set_pair(sock, base+I365_W_STOP, i);
1097
1098 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1099 if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1100 if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1101 i365_set_pair(sock, base+I365_W_OFF, i);
1102
1103 /* Turn on the window if necessary */
1104 if (mem->flags & MAP_ACTIVE)
1105 i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1106 return 0;
1107 } /* i365_set_mem_map */
1108
1109 #if 0 /* driver model ordering issue */
1110 /*======================================================================
1111
1112 Routines for accessing socket information and register dumps via
1113 /sys/class/pcmcia_socket/...
1114
1115 ======================================================================*/
1116
1117 static ssize_t show_info(struct class_device *class_dev, char *buf)
1118 {
1119 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1120 return sprintf(buf, "type: %s\npsock: %d\n",
1121 pcic[s->type].name, s->psock);
1122 }
1123
1124 static ssize_t show_exca(struct class_device *class_dev, char *buf)
1125 {
1126 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1127 unsigned short sock;
1128 int i;
1129 ssize_t ret = 0;
1130 unsigned long flags = 0;
1131
1132 sock = s->number;
1133
1134 ISA_LOCK(sock, flags);
1135 for (i = 0; i < 0x40; i += 4) {
1136 ret += sprintf(buf, "%02x %02x %02x %02x%s",
1137 i365_get(sock,i), i365_get(sock,i+1),
1138 i365_get(sock,i+2), i365_get(sock,i+3),
1139 ((i % 16) == 12) ? "\n" : " ");
1140 buf += ret;
1141 }
1142 ISA_UNLOCK(sock, flags);
1143
1144 return ret;
1145 }
1146
1147 static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1148 static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1149 #endif
1150
1151 /*====================================================================*/
1152
1153 /* this is horribly ugly... proper locking needs to be done here at
1154 * some time... */
1155 #define LOCKED(x) do { \
1156 int retval; \
1157 unsigned long flags; \
1158 spin_lock_irqsave(&isa_lock, flags); \
1159 retval = x; \
1160 spin_unlock_irqrestore(&isa_lock, flags); \
1161 return retval; \
1162 } while (0)
1163
1164
1165 static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1166 {
1167 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1168
1169 if (socket[sock].flags & IS_ALIVE) {
1170 *value = 0;
1171 return -EINVAL;
1172 }
1173
1174 LOCKED(i365_get_status(sock, value));
1175 }
1176
1177 static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1178 {
1179 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1180
1181 if (socket[sock].flags & IS_ALIVE)
1182 return -EINVAL;
1183
1184 LOCKED(i365_set_socket(sock, state));
1185 }
1186
1187 static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1188 {
1189 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1190 if (socket[sock].flags & IS_ALIVE)
1191 return -EINVAL;
1192
1193 LOCKED(i365_set_io_map(sock, io));
1194 }
1195
1196 static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1197 {
1198 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1199 if (socket[sock].flags & IS_ALIVE)
1200 return -EINVAL;
1201
1202 LOCKED(i365_set_mem_map(sock, mem));
1203 }
1204
1205 static int pcic_init(struct pcmcia_socket *s)
1206 {
1207 int i;
1208 struct resource res = { .start = 0, .end = 0x1000 };
1209 pccard_io_map io = { 0, 0, 0, 0, 1 };
1210 pccard_mem_map mem = { .res = &res, };
1211
1212 for (i = 0; i < 2; i++) {
1213 io.map = i;
1214 pcic_set_io_map(s, &io);
1215 }
1216 for (i = 0; i < 5; i++) {
1217 mem.map = i;
1218 pcic_set_mem_map(s, &mem);
1219 }
1220 return 0;
1221 }
1222
1223
1224 static struct pccard_operations pcic_operations = {
1225 .init = pcic_init,
1226 .get_status = pcic_get_status,
1227 .set_socket = pcic_set_socket,
1228 .set_io_map = pcic_set_io_map,
1229 .set_mem_map = pcic_set_mem_map,
1230 };
1231
1232 /*====================================================================*/
1233
1234 static struct platform_driver i82365_driver = {
1235 .driver = {
1236 .name = "i82365",
1237 .owner = THIS_MODULE,
1238 },
1239 };
1240
1241 static struct platform_device *i82365_device;
1242
1243 static int __init init_i82365(void)
1244 {
1245 int i, ret;
1246
1247 ret = platform_driver_register(&i82365_driver);
1248 if (ret)
1249 goto err_out;
1250
1251 i82365_device = platform_device_alloc("i82365", 0);
1252 if (i82365_device) {
1253 ret = platform_device_add(i82365_device);
1254 if (ret)
1255 platform_device_put(i82365_device);
1256 } else
1257 ret = -ENOMEM;
1258
1259 if (ret)
1260 goto err_driver_unregister;
1261
1262 printk(KERN_INFO "Intel ISA PCIC probe: ");
1263 sockets = 0;
1264
1265 isa_probe();
1266
1267 if (sockets == 0) {
1268 printk("not found.\n");
1269 ret = -ENODEV;
1270 goto err_dev_unregister;
1271 }
1272
1273 /* Set up interrupt handler(s) */
1274 if (grab_irq != 0)
1275 ret = request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1276
1277 if (ret)
1278 goto err_socket_release;
1279
1280 /* register sockets with the pcmcia core */
1281 for (i = 0; i < sockets; i++) {
1282 socket[i].socket.dev.parent = &i82365_device->dev;
1283 socket[i].socket.ops = &pcic_operations;
1284 socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1285 socket[i].socket.owner = THIS_MODULE;
1286 socket[i].number = i;
1287 ret = pcmcia_register_socket(&socket[i].socket);
1288 if (!ret)
1289 socket[i].flags |= IS_REGISTERED;
1290
1291 #if 0 /* driver model ordering issue */
1292 class_device_create_file(&socket[i].socket.dev,
1293 &class_device_attr_info);
1294 class_device_create_file(&socket[i].socket.dev,
1295 &class_device_attr_exca);
1296 #endif
1297 }
1298
1299 /* Finally, schedule a polling interrupt */
1300 if (poll_interval != 0) {
1301 poll_timer.function = pcic_interrupt_wrapper;
1302 poll_timer.data = 0;
1303 init_timer(&poll_timer);
1304 poll_timer.expires = jiffies + poll_interval;
1305 add_timer(&poll_timer);
1306 }
1307
1308 return 0;
1309 err_socket_release:
1310 for (i = 0; i < sockets; i++) {
1311 /* Turn off all interrupt sources! */
1312 i365_set(i, I365_CSCINT, 0);
1313 release_region(socket[i].ioaddr, 2);
1314 }
1315 err_dev_unregister:
1316 platform_device_unregister(i82365_device);
1317 release_region(i365_base, 2);
1318 #ifdef CONFIG_PNP
1319 if (i82365_pnpdev)
1320 pnp_disable_dev(i82365_pnpdev);
1321 #endif
1322 err_driver_unregister:
1323 platform_driver_unregister(&i82365_driver);
1324 err_out:
1325 return ret;
1326 } /* init_i82365 */
1327
1328 static void __exit exit_i82365(void)
1329 {
1330 int i;
1331
1332 for (i = 0; i < sockets; i++) {
1333 if (socket[i].flags & IS_REGISTERED)
1334 pcmcia_unregister_socket(&socket[i].socket);
1335 }
1336 platform_device_unregister(i82365_device);
1337 if (poll_interval != 0)
1338 del_timer_sync(&poll_timer);
1339 if (grab_irq != 0)
1340 free_irq(cs_irq, pcic_interrupt);
1341 for (i = 0; i < sockets; i++) {
1342 /* Turn off all interrupt sources! */
1343 i365_set(i, I365_CSCINT, 0);
1344 release_region(socket[i].ioaddr, 2);
1345 }
1346 release_region(i365_base, 2);
1347 #ifdef CONFIG_PNP
1348 if (i82365_pnpdev)
1349 pnp_disable_dev(i82365_pnpdev);
1350 #endif
1351 platform_driver_unregister(&i82365_driver);
1352 } /* exit_i82365 */
1353
1354 module_init(init_i82365);
1355 module_exit(exit_i82365);
1356 MODULE_LICENSE("Dual MPL/GPL");
1357 /*====================================================================*/
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree