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[XFRM]: skb_cow_data() does not set proper owner for new skbs.
[linux-2.6/verdex.git] / drivers / pcmcia / i82365.c
blob90a335a5d9fafe90aabdb0d833508c00440c3ab5
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/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/version.h>
57 #include <pcmcia/cs_types.h>
58 #include <pcmcia/ss.h>
59 #include <pcmcia/cs.h>
60
61 #include <linux/isapnp.h>
62
63 /* ISA-bus controllers */
64 #include "i82365.h"
65 #include "cirrus.h"
66 #include "vg468.h"
67 #include "ricoh.h"
68
69 #ifdef DEBUG
70 static const char version[] =
71 "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)";
72
73 static int pc_debug;
74
75 module_param(pc_debug, int, 0644);
76
77 #define debug(lvl, fmt, arg...) do { \
78 if (pc_debug > (lvl)) \
79 printk(KERN_DEBUG "i82365: " fmt , ## arg); \
80 } while (0)
81 #else
82 #define debug(lvl, fmt, arg...) do { } while (0)
83 #endif
84
85 static irqreturn_t i365_count_irq(int, void *, struct pt_regs *);
86 static inline int _check_irq(int irq, int flags)
87 {
88 if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
89 return -1;
90 free_irq(irq, i365_count_irq);
91 return 0;
92 }
93
94 /*====================================================================*/
95
96 /* Parameters that can be set with 'insmod' */
97
98 /* Default base address for i82365sl and other ISA chips */
99 static unsigned long i365_base = 0x3e0;
100 /* Should we probe at 0x3e2 for an extra ISA controller? */
101 static int extra_sockets = 0;
102 /* Specify a socket number to ignore */
103 static int ignore = -1;
104 /* Bit map or list of interrupts to choose from */
105 static u_int irq_mask = 0xffff;
106 static int irq_list[16];
107 static int irq_list_count;
108 /* The card status change interrupt -- 0 means autoselect */
109 static int cs_irq = 0;
110
111 /* Probe for safe interrupts? */
112 static int do_scan = 1;
113 /* Poll status interval -- 0 means default to interrupt */
114 static int poll_interval = 0;
115 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
116 static int cycle_time = 120;
117
118 /* Cirrus options */
119 static int has_dma = -1;
120 static int has_led = -1;
121 static int has_ring = -1;
122 static int dynamic_mode = 0;
123 static int freq_bypass = -1;
124 static int setup_time = -1;
125 static int cmd_time = -1;
126 static int recov_time = -1;
127
128 /* Vadem options */
129 static int async_clock = -1;
130 static int cable_mode = -1;
131 static int wakeup = 0;
132
133 module_param(i365_base, ulong, 0444);
134 module_param(ignore, int, 0444);
135 module_param(extra_sockets, int, 0444);
136 module_param(irq_mask, int, 0444);
137 module_param_array(irq_list, int, &irq_list_count, 0444);
138 module_param(cs_irq, int, 0444);
139 module_param(async_clock, int, 0444);
140 module_param(cable_mode, int, 0444);
141 module_param(wakeup, int, 0444);
142
143 module_param(do_scan, int, 0444);
144 module_param(poll_interval, int, 0444);
145 module_param(cycle_time, int, 0444);
146 module_param(has_dma, int, 0444);
147 module_param(has_led, int, 0444);
148 module_param(has_ring, int, 0444);
149 module_param(dynamic_mode, int, 0444);
150 module_param(freq_bypass, int, 0444);
151 module_param(setup_time, int, 0444);
152 module_param(cmd_time, int, 0444);
153 module_param(recov_time, int, 0444);
154
155 /*====================================================================*/
156
157 typedef struct cirrus_state_t {
158 u_char misc1, misc2;
159 u_char timer[6];
160 } cirrus_state_t;
161
162 typedef struct vg46x_state_t {
163 u_char ctl, ema;
164 } vg46x_state_t;
165
166 struct i82365_socket {
167 u_short type, flags;
168 struct pcmcia_socket socket;
169 unsigned int number;
170 kio_addr_t ioaddr;
171 u_short psock;
172 u_char cs_irq, intr;
173 union {
174 cirrus_state_t cirrus;
175 vg46x_state_t vg46x;
176 } state;
177 };
178
179 /* Where we keep track of our sockets... */
180 static int sockets = 0;
181 static struct i82365_socket socket[8] = {
182 { 0, }, /* ... */
183 };
184
185 /* Default ISA interrupt mask */
186 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
187
188 static int grab_irq;
189 static DEFINE_SPINLOCK(isa_lock);
190 #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
191 #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
192
193 static struct timer_list poll_timer;
194
195 /*====================================================================*/
196
197 /* These definitions must match the pcic table! */
198 typedef enum pcic_id {
199 IS_I82365A, IS_I82365B, IS_I82365DF,
200 IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
201 IS_PD6710, IS_PD672X, IS_VT83C469,
202 } pcic_id;
203
204 /* Flags for classifying groups of controllers */
205 #define IS_VADEM 0x0001
206 #define IS_CIRRUS 0x0002
207 #define IS_VIA 0x0010
208 #define IS_UNKNOWN 0x0400
209 #define IS_VG_PWR 0x0800
210 #define IS_DF_PWR 0x1000
211 #define IS_REGISTERED 0x2000
212 #define IS_ALIVE 0x8000
213
214 typedef struct pcic_t {
215 char *name;
216 u_short flags;
217 } pcic_t;
218
219 static pcic_t pcic[] = {
220 { "Intel i82365sl A step", 0 },
221 { "Intel i82365sl B step", 0 },
222 { "Intel i82365sl DF", IS_DF_PWR },
223 { "IBM Clone", 0 },
224 { "Ricoh RF5C296/396", 0 },
225 { "VLSI 82C146", 0 },
226 { "Vadem VG-468", IS_VADEM },
227 { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
228 { "Cirrus PD6710", IS_CIRRUS },
229 { "Cirrus PD672x", IS_CIRRUS },
230 { "VIA VT83C469", IS_CIRRUS|IS_VIA },
231 };
232
233 #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
234
235 /*====================================================================*/
236
237 static DEFINE_SPINLOCK(bus_lock);
238
239 static u_char i365_get(u_short sock, u_short reg)
240 {
241 unsigned long flags;
242 spin_lock_irqsave(&bus_lock,flags);
243 {
244 kio_addr_t port = socket[sock].ioaddr;
245 u_char val;
246 reg = I365_REG(socket[sock].psock, reg);
247 outb(reg, port); val = inb(port+1);
248 spin_unlock_irqrestore(&bus_lock,flags);
249 return val;
250 }
251 }
252
253 static void i365_set(u_short sock, u_short reg, u_char data)
254 {
255 unsigned long flags;
256 spin_lock_irqsave(&bus_lock,flags);
257 {
258 kio_addr_t port = socket[sock].ioaddr;
259 u_char val = I365_REG(socket[sock].psock, reg);
260 outb(val, port); outb(data, port+1);
261 spin_unlock_irqrestore(&bus_lock,flags);
262 }
263 }
264
265 static void i365_bset(u_short sock, u_short reg, u_char mask)
266 {
267 u_char d = i365_get(sock, reg);
268 d |= mask;
269 i365_set(sock, reg, d);
270 }
271
272 static void i365_bclr(u_short sock, u_short reg, u_char mask)
273 {
274 u_char d = i365_get(sock, reg);
275 d &= ~mask;
276 i365_set(sock, reg, d);
277 }
278
279 static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
280 {
281 u_char d = i365_get(sock, reg);
282 if (b)
283 d |= mask;
284 else
285 d &= ~mask;
286 i365_set(sock, reg, d);
287 }
288
289 static u_short i365_get_pair(u_short sock, u_short reg)
290 {
291 u_short a, b;
292 a = i365_get(sock, reg);
293 b = i365_get(sock, reg+1);
294 return (a + (b<<8));
295 }
296
297 static void i365_set_pair(u_short sock, u_short reg, u_short data)
298 {
299 i365_set(sock, reg, data & 0xff);
300 i365_set(sock, reg+1, data >> 8);
301 }
302
303 /*======================================================================
304
305 Code to save and restore global state information for Cirrus
306 PD67xx controllers, and to set and report global configuration
307 options.
308
309 The VIA controllers also use these routines, as they are mostly
310 Cirrus lookalikes, without the timing registers.
311
312 ======================================================================*/
313
314 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
315
316 static void cirrus_get_state(u_short s)
317 {
318 int i;
319 cirrus_state_t *p = &socket[s].state.cirrus;
320 p->misc1 = i365_get(s, PD67_MISC_CTL_1);
321 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
322 p->misc2 = i365_get(s, PD67_MISC_CTL_2);
323 for (i = 0; i < 6; i++)
324 p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
325 }
326
327 static void cirrus_set_state(u_short s)
328 {
329 int i;
330 u_char misc;
331 cirrus_state_t *p = &socket[s].state.cirrus;
332
333 misc = i365_get(s, PD67_MISC_CTL_2);
334 i365_set(s, PD67_MISC_CTL_2, p->misc2);
335 if (misc & PD67_MC2_SUSPEND) mdelay(50);
336 misc = i365_get(s, PD67_MISC_CTL_1);
337 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
338 i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
339 for (i = 0; i < 6; i++)
340 i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
341 }
342
343 static u_int __init cirrus_set_opts(u_short s, char *buf)
344 {
345 struct i82365_socket *t = &socket[s];
346 cirrus_state_t *p = &socket[s].state.cirrus;
347 u_int mask = 0xffff;
348
349 if (has_ring == -1) has_ring = 1;
350 flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
351 flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
352 flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
353 if (p->misc2 & PD67_MC2_IRQ15_RI)
354 strcat(buf, " [ring]");
355 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
356 strcat(buf, " [dyn mode]");
357 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
358 strcat(buf, " [freq bypass]");
359 if (p->misc1 & PD67_MC1_INPACK_ENA)
360 strcat(buf, " [inpack]");
361 if (p->misc2 & PD67_MC2_IRQ15_RI)
362 mask &= ~0x8000;
363 if (has_led > 0) {
364 strcat(buf, " [led]");
365 mask &= ~0x1000;
366 }
367 if (has_dma > 0) {
368 strcat(buf, " [dma]");
369 mask &= ~0x0600;
370 }
371 if (!(t->flags & IS_VIA)) {
372 if (setup_time >= 0)
373 p->timer[0] = p->timer[3] = setup_time;
374 if (cmd_time > 0) {
375 p->timer[1] = cmd_time;
376 p->timer[4] = cmd_time*2+4;
377 }
378 if (p->timer[1] == 0) {
379 p->timer[1] = 6; p->timer[4] = 16;
380 if (p->timer[0] == 0)
381 p->timer[0] = p->timer[3] = 1;
382 }
383 if (recov_time >= 0)
384 p->timer[2] = p->timer[5] = recov_time;
385 buf += strlen(buf);
386 sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
387 p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
388 }
389 return mask;
390 }
391
392 /*======================================================================
393
394 Code to save and restore global state information for Vadem VG468
395 and VG469 controllers, and to set and report global configuration
396 options.
397
398 ======================================================================*/
399
400 static void vg46x_get_state(u_short s)
401 {
402 vg46x_state_t *p = &socket[s].state.vg46x;
403 p->ctl = i365_get(s, VG468_CTL);
404 if (socket[s].type == IS_VG469)
405 p->ema = i365_get(s, VG469_EXT_MODE);
406 }
407
408 static void vg46x_set_state(u_short s)
409 {
410 vg46x_state_t *p = &socket[s].state.vg46x;
411 i365_set(s, VG468_CTL, p->ctl);
412 if (socket[s].type == IS_VG469)
413 i365_set(s, VG469_EXT_MODE, p->ema);
414 }
415
416 static u_int __init vg46x_set_opts(u_short s, char *buf)
417 {
418 vg46x_state_t *p = &socket[s].state.vg46x;
419
420 flip(p->ctl, VG468_CTL_ASYNC, async_clock);
421 flip(p->ema, VG469_MODE_CABLE, cable_mode);
422 if (p->ctl & VG468_CTL_ASYNC)
423 strcat(buf, " [async]");
424 if (p->ctl & VG468_CTL_INPACK)
425 strcat(buf, " [inpack]");
426 if (socket[s].type == IS_VG469) {
427 u_char vsel = i365_get(s, VG469_VSELECT);
428 if (vsel & VG469_VSEL_EXT_STAT) {
429 strcat(buf, " [ext mode]");
430 if (vsel & VG469_VSEL_EXT_BUS)
431 strcat(buf, " [isa buf]");
432 }
433 if (p->ema & VG469_MODE_CABLE)
434 strcat(buf, " [cable]");
435 if (p->ema & VG469_MODE_COMPAT)
436 strcat(buf, " [c step]");
437 }
438 return 0xffff;
439 }
440
441 /*======================================================================
442
443 Generic routines to get and set controller options
444
445 ======================================================================*/
446
447 static void get_bridge_state(u_short s)
448 {
449 struct i82365_socket *t = &socket[s];
450 if (t->flags & IS_CIRRUS)
451 cirrus_get_state(s);
452 else if (t->flags & IS_VADEM)
453 vg46x_get_state(s);
454 }
455
456 static void set_bridge_state(u_short s)
457 {
458 struct i82365_socket *t = &socket[s];
459 if (t->flags & IS_CIRRUS)
460 cirrus_set_state(s);
461 else {
462 i365_set(s, I365_GBLCTL, 0x00);
463 i365_set(s, I365_GENCTL, 0x00);
464 }
465 i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
466 if (t->flags & IS_VADEM)
467 vg46x_set_state(s);
468 }
469
470 static u_int __init set_bridge_opts(u_short s, u_short ns)
471 {
472 u_short i;
473 u_int m = 0xffff;
474 char buf[128];
475
476 for (i = s; i < s+ns; i++) {
477 if (socket[i].flags & IS_ALIVE) {
478 printk(KERN_INFO " host opts [%d]: already alive!\n", i);
479 continue;
480 }
481 buf[0] = '\0';
482 get_bridge_state(i);
483 if (socket[i].flags & IS_CIRRUS)
484 m = cirrus_set_opts(i, buf);
485 else if (socket[i].flags & IS_VADEM)
486 m = vg46x_set_opts(i, buf);
487 set_bridge_state(i);
488 printk(KERN_INFO " host opts [%d]:%s\n", i,
489 (*buf) ? buf : " none");
490 }
491 return m;
492 }
493
494 /*======================================================================
495
496 Interrupt testing code, for ISA and PCI interrupts
497
498 ======================================================================*/
499
500 static volatile u_int irq_hits;
501 static u_short irq_sock;
502
503 static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
504 {
505 i365_get(irq_sock, I365_CSC);
506 irq_hits++;
507 debug(2, "-> hit on irq %d\n", irq);
508 return IRQ_HANDLED;
509 }
510
511 static u_int __init test_irq(u_short sock, int irq)
512 {
513 debug(2, " testing ISA irq %d\n", irq);
514 if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0)
515 return 1;
516 irq_hits = 0; irq_sock = sock;
517 msleep(10);
518 if (irq_hits) {
519 free_irq(irq, i365_count_irq);
520 debug(2, " spurious hit!\n");
521 return 1;
522 }
523
524 /* Generate one interrupt */
525 i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
526 i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
527 udelay(1000);
528
529 free_irq(irq, i365_count_irq);
530
531 /* mask all interrupts */
532 i365_set(sock, I365_CSCINT, 0);
533 debug(2, " hits = %d\n", irq_hits);
534
535 return (irq_hits != 1);
536 }
537
538 static u_int __init isa_scan(u_short sock, u_int mask0)
539 {
540 u_int mask1 = 0;
541 int i;
542
543 #ifdef __alpha__
544 #define PIC 0x4d0
545 /* Don't probe level-triggered interrupts -- reserved for PCI */
546 mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
547 #endif
548
549 if (do_scan) {
550 set_bridge_state(sock);
551 i365_set(sock, I365_CSCINT, 0);
552 for (i = 0; i < 16; i++)
553 if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
554 mask1 |= (1 << i);
555 for (i = 0; i < 16; i++)
556 if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
557 mask1 ^= (1 << i);
558 }
559
560 printk(KERN_INFO " ISA irqs (");
561 if (mask1) {
562 printk("scanned");
563 } else {
564 /* Fallback: just find interrupts that aren't in use */
565 for (i = 0; i < 16; i++)
566 if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0))
567 mask1 |= (1 << i);
568 printk("default");
569 /* If scan failed, default to polled status */
570 if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
571 }
572 printk(") = ");
573
574 for (i = 0; i < 16; i++)
575 if (mask1 & (1<<i))
576 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
577 if (mask1 == 0) printk("none!");
578
579 return mask1;
580 }
581
582 /*====================================================================*/
583
584 /* Time conversion functions */
585
586 static int to_cycles(int ns)
587 {
588 return ns/cycle_time;
589 }
590
591 /*====================================================================*/
592
593 static int __init identify(kio_addr_t port, u_short sock)
594 {
595 u_char val;
596 int type = -1;
597
598 /* Use the next free entry in the socket table */
599 socket[sockets].ioaddr = port;
600 socket[sockets].psock = sock;
601
602 /* Wake up a sleepy Cirrus controller */
603 if (wakeup) {
604 i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
605 /* Pause at least 50 ms */
606 mdelay(50);
607 }
608
609 if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
610 return -1;
611 switch (val) {
612 case 0x82:
613 type = IS_I82365A; break;
614 case 0x83:
615 type = IS_I82365B; break;
616 case 0x84:
617 type = IS_I82365DF; break;
618 case 0x88: case 0x89: case 0x8a:
619 type = IS_IBM; break;
620 }
621
622 /* Check for Vadem VG-468 chips */
623 outb(0x0e, port);
624 outb(0x37, port);
625 i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
626 val = i365_get(sockets, I365_IDENT);
627 if (val & I365_IDENT_VADEM) {
628 i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
629 type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
630 }
631
632 /* Check for Ricoh chips */
633 val = i365_get(sockets, RF5C_CHIP_ID);
634 if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
635 type = IS_RF5Cx96;
636
637 /* Check for Cirrus CL-PD67xx chips */
638 i365_set(sockets, PD67_CHIP_INFO, 0);
639 val = i365_get(sockets, PD67_CHIP_INFO);
640 if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
641 val = i365_get(sockets, PD67_CHIP_INFO);
642 if ((val & PD67_INFO_CHIP_ID) == 0) {
643 type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
644 i365_set(sockets, PD67_EXT_INDEX, 0xe5);
645 if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
646 type = IS_VT83C469;
647 }
648 }
649 return type;
650 } /* identify */
651
652 /*======================================================================
653
654 See if a card is present, powered up, in IO mode, and already
655 bound to a (non PC Card) Linux driver. We leave these alone.
656
657 We make an exception for cards that seem to be serial devices.
658
659 ======================================================================*/
660
661 static int __init is_alive(u_short sock)
662 {
663 u_char stat;
664 kio_addr_t start, stop;
665
666 stat = i365_get(sock, I365_STATUS);
667 start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
668 stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
669 if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
670 (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
671 (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
672 (check_region(start, stop-start+1) != 0) &&
673 ((start & 0xfeef) != 0x02e8))
674 return 1;
675 else
676 return 0;
677 }
678
679 /*====================================================================*/
680
681 static void __init add_socket(kio_addr_t port, int psock, int type)
682 {
683 socket[sockets].ioaddr = port;
684 socket[sockets].psock = psock;
685 socket[sockets].type = type;
686 socket[sockets].flags = pcic[type].flags;
687 if (is_alive(sockets))
688 socket[sockets].flags |= IS_ALIVE;
689 sockets++;
690 }
691
692 static void __init add_pcic(int ns, int type)
693 {
694 u_int mask = 0, i, base;
695 int isa_irq = 0;
696 struct i82365_socket *t = &socket[sockets-ns];
697
698 base = sockets-ns;
699 if (t->ioaddr > 0) request_region(t->ioaddr, 2, "i82365");
700
701 if (base == 0) printk("\n");
702 printk(KERN_INFO " %s", pcic[type].name);
703 printk(" ISA-to-PCMCIA at port %#lx ofs 0x%02x",
704 t->ioaddr, t->psock*0x40);
705 printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
706
707 /* Set host options, build basic interrupt mask */
708 if (irq_list_count == 0)
709 mask = irq_mask;
710 else
711 for (i = mask = 0; i < irq_list_count; i++)
712 mask |= (1<<irq_list[i]);
713 mask &= I365_MASK & set_bridge_opts(base, ns);
714 /* Scan for ISA interrupts */
715 mask = isa_scan(base, mask);
716
717 /* Poll if only two interrupts available */
718 if (!poll_interval) {
719 u_int tmp = (mask & 0xff20);
720 tmp = tmp & (tmp-1);
721 if ((tmp & (tmp-1)) == 0)
722 poll_interval = HZ;
723 }
724 /* Only try an ISA cs_irq if this is the first controller */
725 if (!grab_irq && (cs_irq || !poll_interval)) {
726 /* Avoid irq 12 unless it is explicitly requested */
727 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
728 for (cs_irq = 15; cs_irq > 0; cs_irq--)
729 if ((cs_mask & (1 << cs_irq)) &&
730 (_check_irq(cs_irq, 0) == 0))
731 break;
732 if (cs_irq) {
733 grab_irq = 1;
734 isa_irq = cs_irq;
735 printk(" status change on irq %d\n", cs_irq);
736 }
737 }
738
739 if (!isa_irq) {
740 if (poll_interval == 0)
741 poll_interval = HZ;
742 printk(" polling interval = %d ms\n",
743 poll_interval * 1000 / HZ);
744
745 }
746
747 /* Update socket interrupt information, capabilities */
748 for (i = 0; i < ns; i++) {
749 t[i].socket.features |= SS_CAP_PCCARD;
750 t[i].socket.map_size = 0x1000;
751 t[i].socket.irq_mask = mask;
752 t[i].cs_irq = isa_irq;
753 }
754
755 } /* add_pcic */
756
757 /*====================================================================*/
758
759 #ifdef CONFIG_PNP
760 static struct isapnp_device_id id_table[] __initdata = {
761 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
762 ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
763 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
764 ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
765 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
766 ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
767 { 0 }
768 };
769 MODULE_DEVICE_TABLE(isapnp, id_table);
770
771 static struct pnp_dev *i82365_pnpdev;
772 #endif
773
774 static void __init isa_probe(void)
775 {
776 int i, j, sock, k, ns, id;
777 kio_addr_t port;
778 #ifdef CONFIG_PNP
779 struct isapnp_device_id *devid;
780 struct pnp_dev *dev;
781
782 for (devid = id_table; devid->vendor; devid++) {
783 if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
784
785 if (pnp_device_attach(dev) < 0)
786 continue;
787
788 if (pnp_activate_dev(dev) < 0) {
789 printk("activate failed\n");
790 pnp_device_detach(dev);
791 break;
792 }
793
794 if (!pnp_port_valid(dev, 0)) {
795 printk("invalid resources ?\n");
796 pnp_device_detach(dev);
797 break;
798 }
799 i365_base = pnp_port_start(dev, 0);
800 i82365_pnpdev = dev;
801 break;
802 }
803 }
804 #endif
805
806 if (check_region(i365_base, 2) != 0) {
807 if (sockets == 0)
808 printk("port conflict at %#lx\n", i365_base);
809 return;
810 }
811
812 id = identify(i365_base, 0);
813 if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
814 for (i = 0; i < 4; i++) {
815 if (i == ignore) continue;
816 port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
817 sock = (i & 1) << 1;
818 if (identify(port, sock) == IS_I82365DF) {
819 add_socket(port, sock, IS_VLSI);
820 add_pcic(1, IS_VLSI);
821 }
822 }
823 } else {
824 for (i = 0; i < 8; i += 2) {
825 if (sockets && !extra_sockets && (i == 4))
826 break;
827 port = i365_base + 2*(i>>2);
828 sock = (i & 3);
829 id = identify(port, sock);
830 if (id < 0) continue;
831
832 for (j = ns = 0; j < 2; j++) {
833 /* Does the socket exist? */
834 if ((ignore == i+j) || (identify(port, sock+j) < 0))
835 continue;
836 /* Check for bad socket decode */
837 for (k = 0; k <= sockets; k++)
838 i365_set(k, I365_MEM(0)+I365_W_OFF, k);
839 for (k = 0; k <= sockets; k++)
840 if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
841 break;
842 if (k <= sockets) break;
843 add_socket(port, sock+j, id); ns++;
844 }
845 if (ns != 0) add_pcic(ns, id);
846 }
847 }
848 }
849
850 /*====================================================================*/
851
852 static irqreturn_t pcic_interrupt(int irq, void *dev,
853 struct pt_regs *regs)
854 {
855 int i, j, csc;
856 u_int events, active;
857 u_long flags = 0;
858 int handled = 0;
859
860 debug(4, "pcic_interrupt(%d)\n", irq);
861
862 for (j = 0; j < 20; j++) {
863 active = 0;
864 for (i = 0; i < sockets; i++) {
865 if (socket[i].cs_irq != irq)
866 continue;
867 handled = 1;
868 ISA_LOCK(i, flags);
869 csc = i365_get(i, I365_CSC);
870 if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
871 ISA_UNLOCK(i, flags);
872 continue;
873 }
874 events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
875
876 if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
877 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
878 else {
879 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
880 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
881 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
882 }
883 ISA_UNLOCK(i, flags);
884 debug(2, "socket %d event 0x%02x\n", i, events);
885
886 if (events)
887 pcmcia_parse_events(&socket[i].socket, events);
888
889 active |= events;
890 }
891 if (!active) break;
892 }
893 if (j == 20)
894 printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
895
896 debug(4, "interrupt done\n");
897 return IRQ_RETVAL(handled);
898 } /* pcic_interrupt */
899
900 static void pcic_interrupt_wrapper(u_long data)
901 {
902 pcic_interrupt(0, NULL, NULL);
903 poll_timer.expires = jiffies + poll_interval;
904 add_timer(&poll_timer);
905 }
906
907 /*====================================================================*/
908
909 static int i365_get_status(u_short sock, u_int *value)
910 {
911 u_int status;
912
913 status = i365_get(sock, I365_STATUS);
914 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
915 ? SS_DETECT : 0;
916
917 if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
918 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
919 else {
920 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
921 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
922 }
923 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
924 *value |= (status & I365_CS_READY) ? SS_READY : 0;
925 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
926
927 if (socket[sock].type == IS_VG469) {
928 status = i365_get(sock, VG469_VSENSE);
929 if (socket[sock].psock & 1) {
930 *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
931 *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
932 } else {
933 *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
934 *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
935 }
936 }
937
938 debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value);
939 return 0;
940 } /* i365_get_status */
941
942 /*====================================================================*/
943
944 static int i365_get_socket(u_short sock, socket_state_t *state)
945 {
946 struct i82365_socket *t = &socket[sock];
947 u_char reg, vcc, vpp;
948
949 reg = i365_get(sock, I365_POWER);
950 state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
951 state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
952 vcc = reg & I365_VCC_MASK; vpp = reg & I365_VPP1_MASK;
953 state->Vcc = state->Vpp = 0;
954 if (t->flags & IS_CIRRUS) {
955 if (i365_get(sock, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) {
956 if (reg & I365_VCC_5V) state->Vcc = 33;
957 if (vpp == I365_VPP1_5V) state->Vpp = 33;
958 } else {
959 if (reg & I365_VCC_5V) state->Vcc = 50;
960 if (vpp == I365_VPP1_5V) state->Vpp = 50;
961 }
962 if (vpp == I365_VPP1_12V) state->Vpp = 120;
963 } else if (t->flags & IS_VG_PWR) {
964 if (i365_get(sock, VG469_VSELECT) & VG469_VSEL_VCC) {
965 if (reg & I365_VCC_5V) state->Vcc = 33;
966 if (vpp == I365_VPP1_5V) state->Vpp = 33;
967 } else {
968 if (reg & I365_VCC_5V) state->Vcc = 50;
969 if (vpp == I365_VPP1_5V) state->Vpp = 50;
970 }
971 if (vpp == I365_VPP1_12V) state->Vpp = 120;
972 } else if (t->flags & IS_DF_PWR) {
973 if (vcc == I365_VCC_3V) state->Vcc = 33;
974 if (vcc == I365_VCC_5V) state->Vcc = 50;
975 if (vpp == I365_VPP1_5V) state->Vpp = 50;
976 if (vpp == I365_VPP1_12V) state->Vpp = 120;
977 } else {
978 if (reg & I365_VCC_5V) {
979 state->Vcc = 50;
980 if (vpp == I365_VPP1_5V) state->Vpp = 50;
981 if (vpp == I365_VPP1_12V) state->Vpp = 120;
982 }
983 }
984
985 /* IO card, RESET flags, IO interrupt */
986 reg = i365_get(sock, I365_INTCTL);
987 state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET;
988 if (reg & I365_PC_IOCARD) state->flags |= SS_IOCARD;
989 state->io_irq = reg & I365_IRQ_MASK;
990
991 /* speaker control */
992 if (t->flags & IS_CIRRUS) {
993 if (i365_get(sock, PD67_MISC_CTL_1) & PD67_MC1_SPKR_ENA)
994 state->flags |= SS_SPKR_ENA;
995 }
996
997 /* Card status change mask */
998 reg = i365_get(sock, I365_CSCINT);
999 state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0;
1000 if (state->flags & SS_IOCARD)
1001 state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0;
1002 else {
1003 state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0;
1004 state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0;
1005 state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0;
1006 }
1007
1008 debug(1, "GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
1009 "io_irq %d, csc_mask %#2.2x\n", sock, state->flags,
1010 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
1011 return 0;
1012 } /* i365_get_socket */
1013
1014 /*====================================================================*/
1015
1016 static int i365_set_socket(u_short sock, socket_state_t *state)
1017 {
1018 struct i82365_socket *t = &socket[sock];
1019 u_char reg;
1020
1021 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
1022 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
1023 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
1024
1025 /* First set global controller options */
1026 set_bridge_state(sock);
1027
1028 /* IO card, RESET flag, IO interrupt */
1029 reg = t->intr;
1030 reg |= state->io_irq;
1031 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
1032 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
1033 i365_set(sock, I365_INTCTL, reg);
1034
1035 reg = I365_PWR_NORESET;
1036 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
1037 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
1038
1039 if (t->flags & IS_CIRRUS) {
1040 if (state->Vpp != 0) {
1041 if (state->Vpp == 120)
1042 reg |= I365_VPP1_12V;
1043 else if (state->Vpp == state->Vcc)
1044 reg |= I365_VPP1_5V;
1045 else return -EINVAL;
1046 }
1047 if (state->Vcc != 0) {
1048 reg |= I365_VCC_5V;
1049 if (state->Vcc == 33)
1050 i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
1051 else if (state->Vcc == 50)
1052 i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
1053 else return -EINVAL;
1054 }
1055 } else if (t->flags & IS_VG_PWR) {
1056 if (state->Vpp != 0) {
1057 if (state->Vpp == 120)
1058 reg |= I365_VPP1_12V;
1059 else if (state->Vpp == state->Vcc)
1060 reg |= I365_VPP1_5V;
1061 else return -EINVAL;
1062 }
1063 if (state->Vcc != 0) {
1064 reg |= I365_VCC_5V;
1065 if (state->Vcc == 33)
1066 i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
1067 else if (state->Vcc == 50)
1068 i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
1069 else return -EINVAL;
1070 }
1071 } else if (t->flags & IS_DF_PWR) {
1072 switch (state->Vcc) {
1073 case 0: break;
1074 case 33: reg |= I365_VCC_3V; break;
1075 case 50: reg |= I365_VCC_5V; break;
1076 default: return -EINVAL;
1077 }
1078 switch (state->Vpp) {
1079 case 0: break;
1080 case 50: reg |= I365_VPP1_5V; break;
1081 case 120: reg |= I365_VPP1_12V; break;
1082 default: return -EINVAL;
1083 }
1084 } else {
1085 switch (state->Vcc) {
1086 case 0: break;
1087 case 50: reg |= I365_VCC_5V; break;
1088 default: return -EINVAL;
1089 }
1090 switch (state->Vpp) {
1091 case 0: break;
1092 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
1093 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1094 default: return -EINVAL;
1095 }
1096 }
1097
1098 if (reg != i365_get(sock, I365_POWER))
1099 i365_set(sock, I365_POWER, reg);
1100
1101 /* Chipset-specific functions */
1102 if (t->flags & IS_CIRRUS) {
1103 /* Speaker control */
1104 i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1105 state->flags & SS_SPKR_ENA);
1106 }
1107
1108 /* Card status change interrupt mask */
1109 reg = t->cs_irq << 4;
1110 if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1111 if (state->flags & SS_IOCARD) {
1112 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1113 } else {
1114 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1115 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1116 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1117 }
1118 i365_set(sock, I365_CSCINT, reg);
1119 i365_get(sock, I365_CSC);
1120
1121 return 0;
1122 } /* i365_set_socket */
1123
1124 /*====================================================================*/
1125
1126 static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1127 {
1128 u_char map, ioctl;
1129
1130 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
1131 "%#lx-%#lx)\n", sock, io->map, io->flags,
1132 io->speed, io->start, io->stop);
1133 map = io->map;
1134 if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1135 (io->stop < io->start)) return -EINVAL;
1136 /* Turn off the window before changing anything */
1137 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1138 i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1139 i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1140 i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1141 ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1142 if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1143 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1144 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1145 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1146 i365_set(sock, I365_IOCTL, ioctl);
1147 /* Turn on the window if necessary */
1148 if (io->flags & MAP_ACTIVE)
1149 i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1150 return 0;
1151 } /* i365_set_io_map */
1152
1153 /*====================================================================*/
1154
1155 static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1156 {
1157 u_short base, i;
1158 u_char map;
1159
1160 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#lx-%#lx, "
1161 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1162 mem->res->start, mem->res->end, mem->card_start);
1163
1164 map = mem->map;
1165 if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1166 (mem->res->start > mem->res->end) || (mem->speed > 1000))
1167 return -EINVAL;
1168 if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1169 return -EINVAL;
1170
1171 /* Turn off the window before changing anything */
1172 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1173 i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1174
1175 base = I365_MEM(map);
1176 i = (mem->res->start >> 12) & 0x0fff;
1177 if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1178 if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1179 i365_set_pair(sock, base+I365_W_START, i);
1180
1181 i = (mem->res->end >> 12) & 0x0fff;
1182 switch (to_cycles(mem->speed)) {
1183 case 0: break;
1184 case 1: i |= I365_MEM_WS0; break;
1185 case 2: i |= I365_MEM_WS1; break;
1186 default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1187 }
1188 i365_set_pair(sock, base+I365_W_STOP, i);
1189
1190 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1191 if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1192 if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1193 i365_set_pair(sock, base+I365_W_OFF, i);
1194
1195 /* Turn on the window if necessary */
1196 if (mem->flags & MAP_ACTIVE)
1197 i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1198 return 0;
1199 } /* i365_set_mem_map */
1200
1201 #if 0 /* driver model ordering issue */
1202 /*======================================================================
1203
1204 Routines for accessing socket information and register dumps via
1205 /sys/class/pcmcia_socket/...
1206
1207 ======================================================================*/
1208
1209 static ssize_t show_info(struct class_device *class_dev, char *buf)
1210 {
1211 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1212 return sprintf(buf, "type: %s\npsock: %d\n",
1213 pcic[s->type].name, s->psock);
1214 }
1215
1216 static ssize_t show_exca(struct class_device *class_dev, char *buf)
1217 {
1218 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1219 unsigned short sock;
1220 int i;
1221 ssize_t ret = 0;
1222 unsigned long flags = 0;
1223
1224 sock = s->number;
1225
1226 ISA_LOCK(sock, flags);
1227 for (i = 0; i < 0x40; i += 4) {
1228 ret += sprintf(buf, "%02x %02x %02x %02x%s",
1229 i365_get(sock,i), i365_get(sock,i+1),
1230 i365_get(sock,i+2), i365_get(sock,i+3),
1231 ((i % 16) == 12) ? "\n" : " ");
1232 buf += ret;
1233 }
1234 ISA_UNLOCK(sock, flags);
1235
1236 return ret;
1237 }
1238
1239 static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1240 static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1241 #endif
1242
1243 /*====================================================================*/
1244
1245 /* this is horribly ugly... proper locking needs to be done here at
1246 * some time... */
1247 #define LOCKED(x) do { \
1248 int retval; \
1249 unsigned long flags; \
1250 spin_lock_irqsave(&isa_lock, flags); \
1251 retval = x; \
1252 spin_unlock_irqrestore(&isa_lock, flags); \
1253 return retval; \
1254 } while (0)
1255
1256
1257 static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1258 {
1259 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1260
1261 if (socket[sock].flags & IS_ALIVE) {
1262 *value = 0;
1263 return -EINVAL;
1264 }
1265
1266 LOCKED(i365_get_status(sock, value));
1267 }
1268
1269 static int pcic_get_socket(struct pcmcia_socket *s, socket_state_t *state)
1270 {
1271 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1272
1273 if (socket[sock].flags & IS_ALIVE)
1274 return -EINVAL;
1275
1276 LOCKED(i365_get_socket(sock, state));
1277 }
1278
1279 static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1280 {
1281 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1282
1283 if (socket[sock].flags & IS_ALIVE)
1284 return -EINVAL;
1285
1286 LOCKED(i365_set_socket(sock, state));
1287 }
1288
1289 static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1290 {
1291 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1292 if (socket[sock].flags & IS_ALIVE)
1293 return -EINVAL;
1294
1295 LOCKED(i365_set_io_map(sock, io));
1296 }
1297
1298 static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1299 {
1300 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1301 if (socket[sock].flags & IS_ALIVE)
1302 return -EINVAL;
1303
1304 LOCKED(i365_set_mem_map(sock, mem));
1305 }
1306
1307 static int pcic_init(struct pcmcia_socket *s)
1308 {
1309 int i;
1310 struct resource res = { .start = 0, .end = 0x1000 };
1311 pccard_io_map io = { 0, 0, 0, 0, 1 };
1312 pccard_mem_map mem = { .res = &res, };
1313
1314 for (i = 0; i < 2; i++) {
1315 io.map = i;
1316 pcic_set_io_map(s, &io);
1317 }
1318 for (i = 0; i < 5; i++) {
1319 mem.map = i;
1320 pcic_set_mem_map(s, &mem);
1321 }
1322 return 0;
1323 }
1324
1325 static struct pccard_operations pcic_operations = {
1326 .init = pcic_init,
1327 .get_status = pcic_get_status,
1328 .get_socket = pcic_get_socket,
1329 .set_socket = pcic_set_socket,
1330 .set_io_map = pcic_set_io_map,
1331 .set_mem_map = pcic_set_mem_map,
1332 };
1333
1334 /*====================================================================*/
1335
1336 static int i82365_suspend(struct device *dev, pm_message_t state, u32 level)
1337 {
1338 int ret = 0;
1339 if (level == SUSPEND_SAVE_STATE)
1340 ret = pcmcia_socket_dev_suspend(dev, state);
1341 return ret;
1342 }
1343
1344 static int i82365_resume(struct device *dev, u32 level)
1345 {
1346 int ret = 0;
1347 if (level == RESUME_RESTORE_STATE)
1348 ret = pcmcia_socket_dev_resume(dev);
1349 return ret;
1350 }
1351
1352 static struct device_driver i82365_driver = {
1353 .name = "i82365",
1354 .bus = &platform_bus_type,
1355 .suspend = i82365_suspend,
1356 .resume = i82365_resume,
1357 };
1358
1359 static struct platform_device i82365_device = {
1360 .name = "i82365",
1361 .id = 0,
1362 };
1363
1364 static int __init init_i82365(void)
1365 {
1366 int i, ret;
1367
1368 ret = driver_register(&i82365_driver);
1369 if (ret)
1370 return ret;
1371
1372 ret = platform_device_register(&i82365_device);
1373 if (ret) {
1374 driver_unregister(&i82365_driver);
1375 return ret;
1376 }
1377
1378 printk(KERN_INFO "Intel ISA PCIC probe: ");
1379 sockets = 0;
1380
1381 isa_probe();
1382
1383 if (sockets == 0) {
1384 printk("not found.\n");
1385 platform_device_unregister(&i82365_device);
1386 driver_unregister(&i82365_driver);
1387 return -ENODEV;
1388 }
1389
1390 /* Set up interrupt handler(s) */
1391 if (grab_irq != 0)
1392 request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1393
1394 /* register sockets with the pcmcia core */
1395 for (i = 0; i < sockets; i++) {
1396 socket[i].socket.dev.dev = &i82365_device.dev;
1397 socket[i].socket.ops = &pcic_operations;
1398 socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1399 socket[i].socket.owner = THIS_MODULE;
1400 socket[i].number = i;
1401 ret = pcmcia_register_socket(&socket[i].socket);
1402 if (!ret)
1403 socket[i].flags |= IS_REGISTERED;
1404
1405 #if 0 /* driver model ordering issue */
1406 class_device_create_file(&socket[i].socket.dev,
1407 &class_device_attr_info);
1408 class_device_create_file(&socket[i].socket.dev,
1409 &class_device_attr_exca);
1410 #endif
1411 }
1412
1413 /* Finally, schedule a polling interrupt */
1414 if (poll_interval != 0) {
1415 poll_timer.function = pcic_interrupt_wrapper;
1416 poll_timer.data = 0;
1417 init_timer(&poll_timer);
1418 poll_timer.expires = jiffies + poll_interval;
1419 add_timer(&poll_timer);
1420 }
1421
1422 return 0;
1423
1424 } /* init_i82365 */
1425
1426 static void __exit exit_i82365(void)
1427 {
1428 int i;
1429
1430 for (i = 0; i < sockets; i++) {
1431 if (socket[i].flags & IS_REGISTERED)
1432 pcmcia_unregister_socket(&socket[i].socket);
1433 }
1434 platform_device_unregister(&i82365_device);
1435 if (poll_interval != 0)
1436 del_timer_sync(&poll_timer);
1437 if (grab_irq != 0)
1438 free_irq(cs_irq, pcic_interrupt);
1439 for (i = 0; i < sockets; i++) {
1440 /* Turn off all interrupt sources! */
1441 i365_set(i, I365_CSCINT, 0);
1442 release_region(socket[i].ioaddr, 2);
1443 }
1444 #ifdef CONFIG_PNP
1445 if (i82365_pnpdev)
1446 pnp_disable_dev(i82365_pnpdev);
1447 #endif
1448 driver_unregister(&i82365_driver);
1449 } /* exit_i82365 */
1450
1451 module_init(init_i82365);
1452 module_exit(exit_i82365);
1453 MODULE_LICENSE("Dual MPL/GPL");
1454 /*====================================================================*/
Verdex Pro support