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
52#include <pcmcia/ss.h>
53
54#include <linux/isapnp.h>
55
56/* ISA-bus controllers */
57#include "i82365.h"
58#include "cirrus.h"
59#include "vg468.h"
60#include "ricoh.h"
61
62
63static irqreturn_t i365_count_irq(int, void *);
64static inline int _check_irq(int irq, int flags)
65{
66    if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
67	return -1;
68    free_irq(irq, i365_count_irq);
69    return 0;
70}
71
72/*====================================================================*/
73
74/* Parameters that can be set with 'insmod' */
75
76/* Default base address for i82365sl and other ISA chips */
77static unsigned long i365_base = 0x3e0;
78/* Should we probe at 0x3e2 for an extra ISA controller? */
79static int extra_sockets = 0;
80/* Specify a socket number to ignore */
81static int ignore = -1;
82/* Bit map or list of interrupts to choose from */
83static u_int irq_mask = 0xffff;
84static int irq_list[16];
85static unsigned int irq_list_count;
86/* The card status change interrupt -- 0 means autoselect */
87static int cs_irq = 0;
88
89/* Probe for safe interrupts? */
90static int do_scan = 1;
91/* Poll status interval -- 0 means default to interrupt */
92static int poll_interval = 0;
93/* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
94static int cycle_time = 120;
95
96/* Cirrus options */
97static int has_dma = -1;
98static int has_led = -1;
99static int has_ring = -1;
100static int dynamic_mode = 0;
101static int freq_bypass = -1;
102static int setup_time = -1;
103static int cmd_time = -1;
104static int recov_time = -1;
105
106/* Vadem options */
107static int async_clock = -1;
108static int cable_mode = -1;
109static int wakeup = 0;
110
111module_param_hw(i365_base, ulong, ioport, 0444);
112module_param(ignore, int, 0444);
113module_param(extra_sockets, int, 0444);
114module_param_hw(irq_mask, int, other, 0444);
115module_param_hw_array(irq_list, int, irq, &irq_list_count, 0444);
116module_param_hw(cs_irq, int, irq, 0444);
117module_param(async_clock, int, 0444);
118module_param(cable_mode, int, 0444);
119module_param(wakeup, int, 0444);
120
121module_param(do_scan, int, 0444);
122module_param(poll_interval, int, 0444);
123module_param(cycle_time, int, 0444);
124module_param(has_dma, int, 0444);
125module_param(has_led, int, 0444);
126module_param(has_ring, int, 0444);
127module_param(dynamic_mode, int, 0444);
128module_param(freq_bypass, int, 0444);
129module_param(setup_time, int, 0444);
130module_param(cmd_time, int, 0444);
131module_param(recov_time, int, 0444);
132
133/*====================================================================*/
134
135struct cirrus_state {
136    u_char		misc1, misc2;
137    u_char		timer[6];
138};
139
140struct vg46x_state {
141    u_char		ctl, ema;
142};
143
144struct i82365_socket {
145    u_short		type, flags;
146    struct pcmcia_socket	socket;
147    unsigned int	number;
148    unsigned int	ioaddr;
149    u_short		psock;
150    u_char		cs_irq, intr;
151    union {
152	struct cirrus_state		cirrus;
153	struct vg46x_state		vg46x;
154    } state;
155};
156
157/* Where we keep track of our sockets... */
158static int sockets = 0;
159static struct i82365_socket socket[8] = {
160    { 0, }, /* ... */
161};
162
163/* Default ISA interrupt mask */
164#define I365_MASK	0xdeb8	/* irq 15,14,12,11,10,9,7,5,4,3 */
165
166static int grab_irq;
167static DEFINE_SPINLOCK(isa_lock);
168#define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
169#define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
170
171static struct timer_list poll_timer;
172
173/*====================================================================*/
174
175/* These definitions must match the pcic table! */
176enum pcic_id {
177    IS_I82365A, IS_I82365B, IS_I82365DF,
178    IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
179    IS_PD6710, IS_PD672X, IS_VT83C469,
180};
181
182/* Flags for classifying groups of controllers */
183#define IS_VADEM	0x0001
184#define IS_CIRRUS	0x0002
185#define IS_VIA		0x0010
186#define IS_UNKNOWN	0x0400
187#define IS_VG_PWR	0x0800
188#define IS_DF_PWR	0x1000
189#define IS_REGISTERED	0x2000
190#define IS_ALIVE	0x8000
191
192struct pcic {
193    char		*name;
194    u_short		flags;
195};
196
197static struct pcic pcic[] = {
198    { "Intel i82365sl A step", 0 },
199    { "Intel i82365sl B step", 0 },
200    { "Intel i82365sl DF", IS_DF_PWR },
201    { "IBM Clone", 0 },
202    { "Ricoh RF5C296/396", 0 },
203    { "VLSI 82C146", 0 },
204    { "Vadem VG-468", IS_VADEM },
205    { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
206    { "Cirrus PD6710", IS_CIRRUS },
207    { "Cirrus PD672x", IS_CIRRUS },
208    { "VIA VT83C469", IS_CIRRUS|IS_VIA },
209};
210
211#define PCIC_COUNT	ARRAY_SIZE(pcic)
212
213/*====================================================================*/
214
215static DEFINE_SPINLOCK(bus_lock);
216
217static u_char i365_get(u_short sock, u_short reg)
218{
219    unsigned long flags;
220    spin_lock_irqsave(&bus_lock,flags);
221    {
222	unsigned int port = socket[sock].ioaddr;
223	u_char val;
224	reg = I365_REG(socket[sock].psock, reg);
225	outb(reg, port); val = inb(port+1);
226	spin_unlock_irqrestore(&bus_lock,flags);
227	return val;
228    }
229}
230
231static void i365_set(u_short sock, u_short reg, u_char data)
232{
233    unsigned long flags;
234    spin_lock_irqsave(&bus_lock,flags);
235    {
236	unsigned int port = socket[sock].ioaddr;
237	u_char val = I365_REG(socket[sock].psock, reg);
238	outb(val, port); outb(data, port+1);
239	spin_unlock_irqrestore(&bus_lock,flags);
240    }
241}
242
243static void i365_bset(u_short sock, u_short reg, u_char mask)
244{
245    u_char d = i365_get(sock, reg);
246    d |= mask;
247    i365_set(sock, reg, d);
248}
249
250static void i365_bclr(u_short sock, u_short reg, u_char mask)
251{
252    u_char d = i365_get(sock, reg);
253    d &= ~mask;
254    i365_set(sock, reg, d);
255}
256
257static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
258{
259    u_char d = i365_get(sock, reg);
260    if (b)
261	d |= mask;
262    else
263	d &= ~mask;
264    i365_set(sock, reg, d);
265}
266
267static u_short i365_get_pair(u_short sock, u_short reg)
268{
269    u_short a, b;
270    a = i365_get(sock, reg);
271    b = i365_get(sock, reg+1);
272    return (a + (b<<8));
273}
274
275static void i365_set_pair(u_short sock, u_short reg, u_short data)
276{
277    i365_set(sock, reg, data & 0xff);
278    i365_set(sock, reg+1, data >> 8);
279}
280
281/*======================================================================
282
283    Code to save and restore global state information for Cirrus
284    PD67xx controllers, and to set and report global configuration
285    options.
286
287    The VIA controllers also use these routines, as they are mostly
288    Cirrus lookalikes, without the timing registers.
289
290======================================================================*/
291
292#define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
293
294static void cirrus_get_state(u_short s)
295{
296    int i;
297    struct cirrus_state *p = &socket[s].state.cirrus;
298    p->misc1 = i365_get(s, PD67_MISC_CTL_1);
299    p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
300    p->misc2 = i365_get(s, PD67_MISC_CTL_2);
301    for (i = 0; i < 6; i++)
302	p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
303}
304
305static void cirrus_set_state(u_short s)
306{
307    int i;
308    u_char misc;
309    struct cirrus_state *p = &socket[s].state.cirrus;
310
311    misc = i365_get(s, PD67_MISC_CTL_2);
312    i365_set(s, PD67_MISC_CTL_2, p->misc2);
313    if (misc & PD67_MC2_SUSPEND) mdelay(50);
314    misc = i365_get(s, PD67_MISC_CTL_1);
315    misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
316    i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
317    for (i = 0; i < 6; i++)
318	i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
319}
320
321static u_int __init cirrus_set_opts(u_short s, char *buf)
322{
323    struct i82365_socket *t = &socket[s];
324    struct cirrus_state *p = &socket[s].state.cirrus;
325    u_int mask = 0xffff;
326
327    if (has_ring == -1) has_ring = 1;
328    flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
329    flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
330    flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
331    if (p->misc2 & PD67_MC2_IRQ15_RI)
332	strcat(buf, " [ring]");
333    if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
334	strcat(buf, " [dyn mode]");
335    if (p->misc2 & PD67_MC2_FREQ_BYPASS)
336	strcat(buf, " [freq bypass]");
337    if (p->misc1 & PD67_MC1_INPACK_ENA)
338	strcat(buf, " [inpack]");
339    if (p->misc2 & PD67_MC2_IRQ15_RI)
340	mask &= ~0x8000;
341    if (has_led > 0) {
342	strcat(buf, " [led]");
343	mask &= ~0x1000;
344    }
345    if (has_dma > 0) {
346	strcat(buf, " [dma]");
347	mask &= ~0x0600;
348    }
349    if (!(t->flags & IS_VIA)) {
350	if (setup_time >= 0)
351	    p->timer[0] = p->timer[3] = setup_time;
352	if (cmd_time > 0) {
353	    p->timer[1] = cmd_time;
354	    p->timer[4] = cmd_time*2+4;
355	}
356	if (p->timer[1] == 0) {
357	    p->timer[1] = 6; p->timer[4] = 16;
358	    if (p->timer[0] == 0)
359		p->timer[0] = p->timer[3] = 1;
360	}
361	if (recov_time >= 0)
362	    p->timer[2] = p->timer[5] = recov_time;
363	buf += strlen(buf);
364	sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
365		p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
366    }
367    return mask;
368}
369
370/*======================================================================
371
372    Code to save and restore global state information for Vadem VG468
373    and VG469 controllers, and to set and report global configuration
374    options.
375
376======================================================================*/
377
378static void vg46x_get_state(u_short s)
379{
380    struct vg46x_state *p = &socket[s].state.vg46x;
381    p->ctl = i365_get(s, VG468_CTL);
382    if (socket[s].type == IS_VG469)
383	p->ema = i365_get(s, VG469_EXT_MODE);
384}
385
386static void vg46x_set_state(u_short s)
387{
388    struct vg46x_state *p = &socket[s].state.vg46x;
389    i365_set(s, VG468_CTL, p->ctl);
390    if (socket[s].type == IS_VG469)
391	i365_set(s, VG469_EXT_MODE, p->ema);
392}
393
394static u_int __init vg46x_set_opts(u_short s, char *buf)
395{
396    struct vg46x_state *p = &socket[s].state.vg46x;
397
398    flip(p->ctl, VG468_CTL_ASYNC, async_clock);
399    flip(p->ema, VG469_MODE_CABLE, cable_mode);
400    if (p->ctl & VG468_CTL_ASYNC)
401	strcat(buf, " [async]");
402    if (p->ctl & VG468_CTL_INPACK)
403	strcat(buf, " [inpack]");
404    if (socket[s].type == IS_VG469) {
405	u_char vsel = i365_get(s, VG469_VSELECT);
406	if (vsel & VG469_VSEL_EXT_STAT) {
407	    strcat(buf, " [ext mode]");
408	    if (vsel & VG469_VSEL_EXT_BUS)
409		strcat(buf, " [isa buf]");
410	}
411	if (p->ema & VG469_MODE_CABLE)
412	    strcat(buf, " [cable]");
413	if (p->ema & VG469_MODE_COMPAT)
414	    strcat(buf, " [c step]");
415    }
416    return 0xffff;
417}
418
419/*======================================================================
420
421    Generic routines to get and set controller options
422
423======================================================================*/
424
425static void get_bridge_state(u_short s)
426{
427    struct i82365_socket *t = &socket[s];
428    if (t->flags & IS_CIRRUS)
429	cirrus_get_state(s);
430    else if (t->flags & IS_VADEM)
431	vg46x_get_state(s);
432}
433
434static void set_bridge_state(u_short s)
435{
436    struct i82365_socket *t = &socket[s];
437    if (t->flags & IS_CIRRUS)
438	cirrus_set_state(s);
439    else {
440	i365_set(s, I365_GBLCTL, 0x00);
441	i365_set(s, I365_GENCTL, 0x00);
442    }
443    i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
444    if (t->flags & IS_VADEM)
445	vg46x_set_state(s);
446}
447
448static u_int __init set_bridge_opts(u_short s, u_short ns)
449{
450    u_short i;
451    u_int m = 0xffff;
452    char buf[128];
453
454    for (i = s; i < s+ns; i++) {
455	if (socket[i].flags & IS_ALIVE) {
456	    printk(KERN_INFO "    host opts [%d]: already alive!\n", i);
457	    continue;
458	}
459	buf[0] = '\0';
460	get_bridge_state(i);
461	if (socket[i].flags & IS_CIRRUS)
462	    m = cirrus_set_opts(i, buf);
463	else if (socket[i].flags & IS_VADEM)
464	    m = vg46x_set_opts(i, buf);
465	set_bridge_state(i);
466	printk(KERN_INFO "    host opts [%d]:%s\n", i,
467	       (*buf) ? buf : " none");
468    }
469    return m;
470}
471
472/*======================================================================
473
474    Interrupt testing code, for ISA and PCI interrupts
475
476======================================================================*/
477
478static volatile u_int irq_hits;
479static u_short irq_sock;
480
481static irqreturn_t i365_count_irq(int irq, void *dev)
482{
483    i365_get(irq_sock, I365_CSC);
484    irq_hits++;
485    pr_debug("i82365: -> hit on irq %d\n", irq);
486    return IRQ_HANDLED;
487}
488
489static u_int __init test_irq(u_short sock, int irq)
490{
491    pr_debug("i82365:  testing ISA irq %d\n", irq);
492    if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan",
493			i365_count_irq) != 0)
494	return 1;
495    irq_hits = 0; irq_sock = sock;
496    msleep(10);
497    if (irq_hits) {
498	free_irq(irq, i365_count_irq);
499	pr_debug("i82365:    spurious hit!\n");
500	return 1;
501    }
502
503    /* Generate one interrupt */
504    i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
505    i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
506    udelay(1000);
507
508    free_irq(irq, i365_count_irq);
509
510    /* mask all interrupts */
511    i365_set(sock, I365_CSCINT, 0);
512    pr_debug("i82365:    hits = %d\n", irq_hits);
513
514    return (irq_hits != 1);
515}
516
517static u_int __init isa_scan(u_short sock, u_int mask0)
518{
519    u_int mask1 = 0;
520    int i;
521
522#ifdef __alpha__
523#define PIC 0x4d0
524    /* Don't probe level-triggered interrupts -- reserved for PCI */
525    mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
526#endif
527
528    if (do_scan) {
529	set_bridge_state(sock);
530	i365_set(sock, I365_CSCINT, 0);
531	for (i = 0; i < 16; i++)
532	    if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
533		mask1 |= (1 << i);
534	for (i = 0; i < 16; i++)
535	    if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
536		mask1 ^= (1 << i);
537    }
538
539    printk(KERN_INFO "    ISA irqs (");
540    if (mask1) {
541	printk("scanned");
542    } else {
543	/* Fallback: just find interrupts that aren't in use */
544	for (i = 0; i < 16; i++)
545	    if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0))
546		mask1 |= (1 << i);
547	printk("default");
548	/* If scan failed, default to polled status */
549	if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
550    }
551    printk(") = ");
552
553    for (i = 0; i < 16; i++)
554	if (mask1 & (1<<i))
555	    printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
556    if (mask1 == 0) printk("none!");
557
558    return mask1;
559}
560
561/*====================================================================*/
562
563/* Time conversion functions */
564
565static int to_cycles(int ns)
566{
567    return ns/cycle_time;
568}
569
570/*====================================================================*/
571
572static int __init identify(unsigned int port, u_short sock)
573{
574    u_char val;
575    int type = -1;
576
577    /* Use the next free entry in the socket table */
578    socket[sockets].ioaddr = port;
579    socket[sockets].psock = sock;
580
581    /* Wake up a sleepy Cirrus controller */
582    if (wakeup) {
583	i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
584	/* Pause at least 50 ms */
585	mdelay(50);
586    }
587
588    if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
589	return -1;
590    switch (val) {
591    case 0x82:
592	type = IS_I82365A; break;
593    case 0x83:
594	type = IS_I82365B; break;
595    case 0x84:
596	type = IS_I82365DF; break;
597    case 0x88: case 0x89: case 0x8a:
598	type = IS_IBM; break;
599    }
600
601    /* Check for Vadem VG-468 chips */
602    outb(0x0e, port);
603    outb(0x37, port);
604    i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
605    val = i365_get(sockets, I365_IDENT);
606    if (val & I365_IDENT_VADEM) {
607	i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
608	type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
609    }
610
611    /* Check for Ricoh chips */
612    val = i365_get(sockets, RF5C_CHIP_ID);
613    if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
614	type = IS_RF5Cx96;
615
616    /* Check for Cirrus CL-PD67xx chips */
617    i365_set(sockets, PD67_CHIP_INFO, 0);
618    val = i365_get(sockets, PD67_CHIP_INFO);
619    if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
620	val = i365_get(sockets, PD67_CHIP_INFO);
621	if ((val & PD67_INFO_CHIP_ID) == 0) {
622	    type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
623	    i365_set(sockets, PD67_EXT_INDEX, 0xe5);
624	    if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
625		type = IS_VT83C469;
626	}
627    }
628    return type;
629} /* identify */
630
631/*======================================================================
632
633    See if a card is present, powered up, in IO mode, and already
634    bound to a (non PC Card) Linux driver.  We leave these alone.
635
636    We make an exception for cards that seem to be serial devices.
637
638======================================================================*/
639
640static int __init is_alive(u_short sock)
641{
642    u_char stat;
643    unsigned int start, stop;
644
645    stat = i365_get(sock, I365_STATUS);
646    start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
647    stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
648    if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
649	(i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
650	(i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
651	((start & 0xfeef) != 0x02e8)) {
652	if (!request_region(start, stop-start+1, "i82365"))
653	    return 1;
654	release_region(start, stop-start+1);
655    }
656
657    return 0;
658}
659
660/*====================================================================*/
661
662static void __init add_socket(unsigned int port, int psock, int type)
663{
664    socket[sockets].ioaddr = port;
665    socket[sockets].psock = psock;
666    socket[sockets].type = type;
667    socket[sockets].flags = pcic[type].flags;
668    if (is_alive(sockets))
669	socket[sockets].flags |= IS_ALIVE;
670    sockets++;
671}
672
673static void __init add_pcic(int ns, int type)
674{
675    u_int mask = 0, i, base;
676    int isa_irq = 0;
677    struct i82365_socket *t = &socket[sockets-ns];
678
679    base = sockets-ns;
680    if (base == 0) printk("\n");
681    printk(KERN_INFO "  %s", pcic[type].name);
682    printk(" ISA-to-PCMCIA at port %#x ofs 0x%02x",
683	       t->ioaddr, t->psock*0x40);
684    printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
685
686    /* Set host options, build basic interrupt mask */
687    if (irq_list_count == 0)
688	mask = irq_mask;
689    else
690	for (i = mask = 0; i < irq_list_count; i++)
691	    mask |= (1<<irq_list[i]);
692    mask &= I365_MASK & set_bridge_opts(base, ns);
693    /* Scan for ISA interrupts */
694    mask = isa_scan(base, mask);
695
696    /* Poll if only two interrupts available */
697    if (!poll_interval) {
698	u_int tmp = (mask & 0xff20);
699	tmp = tmp & (tmp-1);
700	if ((tmp & (tmp-1)) == 0)
701	    poll_interval = HZ;
702    }
703    /* Only try an ISA cs_irq if this is the first controller */
704    if (!grab_irq && (cs_irq || !poll_interval)) {
705	/* Avoid irq 12 unless it is explicitly requested */
706	u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
707	for (cs_irq = 15; cs_irq > 0; cs_irq--)
708	    if ((cs_mask & (1 << cs_irq)) &&
709		(_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0))
710		break;
711	if (cs_irq) {
712	    grab_irq = 1;
713	    isa_irq = cs_irq;
714	    printk(" status change on irq %d\n", cs_irq);
715	}
716    }
717
718    if (!isa_irq) {
719	if (poll_interval == 0)
720	    poll_interval = HZ;
721	printk(" polling interval = %d ms\n",
722	       poll_interval * 1000 / HZ);
723
724    }
725
726    /* Update socket interrupt information, capabilities */
727    for (i = 0; i < ns; i++) {
728	t[i].socket.features |= SS_CAP_PCCARD;
729	t[i].socket.map_size = 0x1000;
730	t[i].socket.irq_mask = mask;
731	t[i].cs_irq = isa_irq;
732    }
733
734} /* add_pcic */
735
736/*====================================================================*/
737
738#ifdef CONFIG_PNP
739static struct isapnp_device_id id_table[] __initdata = {
740	{ 	ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
741		ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
742	{ 	ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
743		ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
744	{ 	ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
745		ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
746	{	0 }
747};
748MODULE_DEVICE_TABLE(isapnp, id_table);
749
750static struct pnp_dev *i82365_pnpdev;
751#endif
752
753static void __init isa_probe(void)
754{
755    int i, j, sock, k, ns, id;
756    unsigned int port;
757#ifdef CONFIG_PNP
758    struct isapnp_device_id *devid;
759    struct pnp_dev *dev;
760
761    for (devid = id_table; devid->vendor; devid++) {
762	if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
763
764	    if (pnp_device_attach(dev) < 0)
765	    	continue;
766
767	    if (pnp_activate_dev(dev) < 0) {
768		printk("activate failed\n");
769		pnp_device_detach(dev);
770		break;
771	    }
772
773	    if (!pnp_port_valid(dev, 0)) {
774		printk("invalid resources ?\n");
775		pnp_device_detach(dev);
776		break;
777	    }
778	    i365_base = pnp_port_start(dev, 0);
779	    i82365_pnpdev = dev;
780	    break;
781	}
782    }
783#endif
784
785    if (!request_region(i365_base, 2, "i82365")) {
786	if (sockets == 0)
787	    printk("port conflict at %#lx\n", i365_base);
788	return;
789    }
790
791    id = identify(i365_base, 0);
792    if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
793	for (i = 0; i < 4; i++) {
794	    if (i == ignore) continue;
795	    port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
796	    sock = (i & 1) << 1;
797	    if (identify(port, sock) == IS_I82365DF) {
798		add_socket(port, sock, IS_VLSI);
799		add_pcic(1, IS_VLSI);
800	    }
801	}
802    } else {
803	for (i = 0; i < 8; i += 2) {
804	    if (sockets && !extra_sockets && (i == 4))
805		break;
806	    port = i365_base + 2*(i>>2);
807	    sock = (i & 3);
808	    id = identify(port, sock);
809	    if (id < 0) continue;
810
811	    for (j = ns = 0; j < 2; j++) {
812		/* Does the socket exist? */
813		if ((ignore == i+j) || (identify(port, sock+j) < 0))
814		    continue;
815		/* Check for bad socket decode */
816		for (k = 0; k <= sockets; k++)
817		    i365_set(k, I365_MEM(0)+I365_W_OFF, k);
818		for (k = 0; k <= sockets; k++)
819		    if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
820			break;
821		if (k <= sockets) break;
822		add_socket(port, sock+j, id); ns++;
823	    }
824	    if (ns != 0) add_pcic(ns, id);
825	}
826    }
827}
828
829/*====================================================================*/
830
831static irqreturn_t pcic_interrupt(int irq, void *dev)
832{
833    int i, j, csc;
834    u_int events, active;
835    u_long flags = 0;
836    int handled = 0;
837
838    pr_debug("pcic_interrupt(%d)\n", irq);
839
840    for (j = 0; j < 20; j++) {
841	active = 0;
842	for (i = 0; i < sockets; i++) {
843	    if (socket[i].cs_irq != irq)
844		continue;
845	    handled = 1;
846	    ISA_LOCK(i, flags);
847	    csc = i365_get(i, I365_CSC);
848	    if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
849		ISA_UNLOCK(i, flags);
850		continue;
851	    }
852	    events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
853
854	    if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
855		events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
856	    else {
857		events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
858		events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
859		events |= (csc & I365_CSC_READY) ? SS_READY : 0;
860	    }
861	    ISA_UNLOCK(i, flags);
862	    pr_debug("socket %d event 0x%02x\n", i, events);
863
864	    if (events)
865		pcmcia_parse_events(&socket[i].socket, events);
866
867	    active |= events;
868	}
869	if (!active) break;
870    }
871    if (j == 20)
872	printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
873
874    pr_debug("pcic_interrupt done\n");
875    return IRQ_RETVAL(handled);
876} /* pcic_interrupt */
877
878static void pcic_interrupt_wrapper(struct timer_list *unused)
879{
880    pcic_interrupt(0, NULL);
881    poll_timer.expires = jiffies + poll_interval;
882    add_timer(&poll_timer);
883}
884
885/*====================================================================*/
886
887static int i365_get_status(u_short sock, u_int *value)
888{
889    u_int status;
890
891    status = i365_get(sock, I365_STATUS);
892    *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
893	? SS_DETECT : 0;
894
895    if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
896	*value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
897    else {
898	*value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
899	*value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
900    }
901    *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
902    *value |= (status & I365_CS_READY) ? SS_READY : 0;
903    *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
904
905    if (socket[sock].type == IS_VG469) {
906	status = i365_get(sock, VG469_VSENSE);
907	if (socket[sock].psock & 1) {
908	    *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
909	    *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
910	} else {
911	    *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
912	    *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
913	}
914    }
915
916    pr_debug("GetStatus(%d) = %#4.4x\n", sock, *value);
917    return 0;
918} /* i365_get_status */
919
920/*====================================================================*/
921
922static int i365_set_socket(u_short sock, socket_state_t *state)
923{
924    struct i82365_socket *t = &socket[sock];
925    u_char reg;
926
927    pr_debug("SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
928	  "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
929	  state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
930
931    /* First set global controller options */
932    set_bridge_state(sock);
933
934    /* IO card, RESET flag, IO interrupt */
935    reg = t->intr;
936    reg |= state->io_irq;
937    reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
938    reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
939    i365_set(sock, I365_INTCTL, reg);
940
941    reg = I365_PWR_NORESET;
942    if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
943    if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
944
945    if (t->flags & IS_CIRRUS) {
946	if (state->Vpp != 0) {
947	    if (state->Vpp == 120)
948		reg |= I365_VPP1_12V;
949	    else if (state->Vpp == state->Vcc)
950		reg |= I365_VPP1_5V;
951	    else return -EINVAL;
952	}
953	if (state->Vcc != 0) {
954	    reg |= I365_VCC_5V;
955	    if (state->Vcc == 33)
956		i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
957	    else if (state->Vcc == 50)
958		i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
959	    else return -EINVAL;
960	}
961    } else if (t->flags & IS_VG_PWR) {
962	if (state->Vpp != 0) {
963	    if (state->Vpp == 120)
964		reg |= I365_VPP1_12V;
965	    else if (state->Vpp == state->Vcc)
966		reg |= I365_VPP1_5V;
967	    else return -EINVAL;
968	}
969	if (state->Vcc != 0) {
970	    reg |= I365_VCC_5V;
971	    if (state->Vcc == 33)
972		i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
973	    else if (state->Vcc == 50)
974		i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
975	    else return -EINVAL;
976	}
977    } else if (t->flags & IS_DF_PWR) {
978	switch (state->Vcc) {
979	case 0:		break;
980	case 33:   	reg |= I365_VCC_3V; break;
981	case 50:	reg |= I365_VCC_5V; break;
982	default:	return -EINVAL;
983	}
984	switch (state->Vpp) {
985	case 0:		break;
986	case 50:   	reg |= I365_VPP1_5V; break;
987	case 120:	reg |= I365_VPP1_12V; break;
988	default:	return -EINVAL;
989	}
990    } else {
991	switch (state->Vcc) {
992	case 0:		break;
993	case 50:	reg |= I365_VCC_5V; break;
994	default:	return -EINVAL;
995	}
996	switch (state->Vpp) {
997	case 0:		break;
998	case 50:	reg |= I365_VPP1_5V | I365_VPP2_5V; break;
999	case 120:	reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1000	default:	return -EINVAL;
1001	}
1002    }
1003
1004    if (reg != i365_get(sock, I365_POWER))
1005	i365_set(sock, I365_POWER, reg);
1006
1007    /* Chipset-specific functions */
1008    if (t->flags & IS_CIRRUS) {
1009	/* Speaker control */
1010	i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1011		   state->flags & SS_SPKR_ENA);
1012    }
1013
1014    /* Card status change interrupt mask */
1015    reg = t->cs_irq << 4;
1016    if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1017    if (state->flags & SS_IOCARD) {
1018	if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1019    } else {
1020	if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1021	if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1022	if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1023    }
1024    i365_set(sock, I365_CSCINT, reg);
1025    i365_get(sock, I365_CSC);
1026
1027    return 0;
1028} /* i365_set_socket */
1029
1030/*====================================================================*/
1031
1032static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1033{
1034    u_char map, ioctl;
1035
1036    pr_debug("SetIOMap(%d, %d, %#2.2x, %d ns, "
1037	  "%#llx-%#llx)\n", sock, io->map, io->flags, io->speed,
1038	  (unsigned long long)io->start, (unsigned long long)io->stop);
1039    map = io->map;
1040    if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1041	(io->stop < io->start)) return -EINVAL;
1042    /* Turn off the window before changing anything */
1043    if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1044	i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1045    i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1046    i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1047    ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1048    if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1049    if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1050    if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1051    if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1052    i365_set(sock, I365_IOCTL, ioctl);
1053    /* Turn on the window if necessary */
1054    if (io->flags & MAP_ACTIVE)
1055	i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1056    return 0;
1057} /* i365_set_io_map */
1058
1059/*====================================================================*/
1060
1061static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1062{
1063    u_short base, i;
1064    u_char map;
1065
1066    pr_debug("SetMemMap(%d, %d, %#2.2x, %d ns, %#llx-%#llx, "
1067	  "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1068	  (unsigned long long)mem->res->start,
1069	  (unsigned long long)mem->res->end, mem->card_start);
1070
1071    map = mem->map;
1072    if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1073	(mem->res->start > mem->res->end) || (mem->speed > 1000))
1074	return -EINVAL;
1075    if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1076	return -EINVAL;
1077
1078    /* Turn off the window before changing anything */
1079    if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1080	i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1081
1082    base = I365_MEM(map);
1083    i = (mem->res->start >> 12) & 0x0fff;
1084    if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1085    if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1086    i365_set_pair(sock, base+I365_W_START, i);
1087
1088    i = (mem->res->end >> 12) & 0x0fff;
1089    switch (to_cycles(mem->speed)) {
1090    case 0:	break;
1091    case 1:	i |= I365_MEM_WS0; break;
1092    case 2:	i |= I365_MEM_WS1; break;
1093    default:	i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1094    }
1095    i365_set_pair(sock, base+I365_W_STOP, i);
1096
1097    i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1098    if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1099    if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1100    i365_set_pair(sock, base+I365_W_OFF, i);
1101
1102    /* Turn on the window if necessary */
1103    if (mem->flags & MAP_ACTIVE)
1104	i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1105    return 0;
1106} /* i365_set_mem_map */
1107
1108#if 0 /* driver model ordering issue */
1109/*======================================================================
1110
1111    Routines for accessing socket information and register dumps via
1112    /sys/class/pcmcia_socket/...
1113
1114======================================================================*/
1115
1116static ssize_t show_info(struct class_device *class_dev, char *buf)
1117{
1118	struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1119	return sprintf(buf, "type:     %s\npsock:    %d\n",
1120		       pcic[s->type].name, s->psock);
1121}
1122
1123static ssize_t show_exca(struct class_device *class_dev, char *buf)
1124{
1125	struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1126	unsigned short sock;
1127	int i;
1128	ssize_t ret = 0;
1129	unsigned long flags = 0;
1130
1131	sock = s->number;
1132
1133	ISA_LOCK(sock, flags);
1134	for (i = 0; i < 0x40; i += 4) {
1135		ret += sprintf(buf, "%02x %02x %02x %02x%s",
1136			       i365_get(sock,i), i365_get(sock,i+1),
1137			       i365_get(sock,i+2), i365_get(sock,i+3),
1138			       ((i % 16) == 12) ? "\n" : " ");
1139		buf += ret;
1140	}
1141	ISA_UNLOCK(sock, flags);
1142
1143	return ret;
1144}
1145
1146static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1147static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1148#endif
1149
1150/*====================================================================*/
1151
1152/* this is horribly ugly... proper locking needs to be done here at
1153 * some time... */
1154#define LOCKED(x) do { \
1155	int retval; \
1156	unsigned long flags; \
1157	spin_lock_irqsave(&isa_lock, flags); \
1158	retval = x; \
1159	spin_unlock_irqrestore(&isa_lock, flags); \
1160	return retval; \
1161} while (0)
1162
1163
1164static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1165{
1166	unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1167
1168	if (socket[sock].flags & IS_ALIVE) {
1169		*value = 0;
1170		return -EINVAL;
1171	}
1172
1173	LOCKED(i365_get_status(sock, value));
1174}
1175
1176static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1177{
1178	unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1179
1180	if (socket[sock].flags & IS_ALIVE)
1181		return -EINVAL;
1182
1183	LOCKED(i365_set_socket(sock, state));
1184}
1185
1186static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1187{
1188	unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1189	if (socket[sock].flags & IS_ALIVE)
1190		return -EINVAL;
1191
1192	LOCKED(i365_set_io_map(sock, io));
1193}
1194
1195static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1196{
1197	unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1198	if (socket[sock].flags & IS_ALIVE)
1199		return -EINVAL;
1200
1201	LOCKED(i365_set_mem_map(sock, mem));
1202}
1203
1204static int pcic_init(struct pcmcia_socket *s)
1205{
1206	int i;
1207	struct resource res = { .start = 0, .end = 0x1000 };
1208	pccard_io_map io = { 0, 0, 0, 0, 1 };
1209	pccard_mem_map mem = { .res = &res, };
1210
1211	for (i = 0; i < 2; i++) {
1212		io.map = i;
1213		pcic_set_io_map(s, &io);
1214	}
1215	for (i = 0; i < 5; i++) {
1216		mem.map = i;
1217		pcic_set_mem_map(s, &mem);
1218	}
1219	return 0;
1220}
1221
1222
1223static struct pccard_operations pcic_operations = {
1224	.init			= pcic_init,
1225	.get_status		= pcic_get_status,
1226	.set_socket		= pcic_set_socket,
1227	.set_io_map		= pcic_set_io_map,
1228	.set_mem_map		= pcic_set_mem_map,
1229};
1230
1231/*====================================================================*/
1232
1233static struct platform_driver i82365_driver = {
1234	.driver = {
1235		.name = "i82365",
1236	},
1237};
1238
1239static struct platform_device *i82365_device;
1240
1241static int __init init_i82365(void)
1242{
1243    int i, ret;
1244
1245    ret = platform_driver_register(&i82365_driver);
1246    if (ret)
1247	goto err_out;
1248
1249    i82365_device = platform_device_alloc("i82365", 0);
1250    if (i82365_device) {
1251	    ret = platform_device_add(i82365_device);
1252	    if (ret)
1253		    platform_device_put(i82365_device);
1254    } else
1255	    ret = -ENOMEM;
1256
1257    if (ret)
1258	goto err_driver_unregister;
1259
1260    printk(KERN_INFO "Intel ISA PCIC probe: ");
1261    sockets = 0;
1262
1263    isa_probe();
1264
1265    if (sockets == 0) {
1266	printk("not found.\n");
1267	ret = -ENODEV;
1268	goto err_dev_unregister;
1269    }
1270
1271    /* Set up interrupt handler(s) */
1272    if (grab_irq != 0)
1273	ret = request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1274
1275    if (ret)
1276	goto err_socket_release;
1277
1278    /* register sockets with the pcmcia core */
1279    for (i = 0; i < sockets; i++) {
1280	    socket[i].socket.dev.parent = &i82365_device->dev;
1281	    socket[i].socket.ops = &pcic_operations;
1282	    socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1283	    socket[i].socket.owner = THIS_MODULE;
1284	    socket[i].number = i;
1285	    ret = pcmcia_register_socket(&socket[i].socket);
1286	    if (!ret)
1287		    socket[i].flags |= IS_REGISTERED;
1288    }
1289
1290    /* Finally, schedule a polling interrupt */
1291    if (poll_interval != 0) {
1292	timer_setup(&poll_timer, pcic_interrupt_wrapper, 0);
1293    	poll_timer.expires = jiffies + poll_interval;
1294	add_timer(&poll_timer);
1295    }
1296
1297    return 0;
1298err_socket_release:
1299    for (i = 0; i < sockets; i++) {
1300	/* Turn off all interrupt sources! */
1301	i365_set(i, I365_CSCINT, 0);
1302	release_region(socket[i].ioaddr, 2);
1303    }
1304err_dev_unregister:
1305    platform_device_unregister(i82365_device);
1306    release_region(i365_base, 2);
1307#ifdef CONFIG_PNP
1308    if (i82365_pnpdev)
1309	pnp_disable_dev(i82365_pnpdev);
1310#endif
1311err_driver_unregister:
1312    platform_driver_unregister(&i82365_driver);
1313err_out:
1314    return ret;
1315} /* init_i82365 */
1316
1317static void __exit exit_i82365(void)
1318{
1319    int i;
1320
1321    for (i = 0; i < sockets; i++) {
1322	    if (socket[i].flags & IS_REGISTERED)
1323		    pcmcia_unregister_socket(&socket[i].socket);
1324    }
1325    platform_device_unregister(i82365_device);
1326    if (poll_interval != 0)
1327	del_timer_sync(&poll_timer);
1328    if (grab_irq != 0)
1329	free_irq(cs_irq, pcic_interrupt);
1330    for (i = 0; i < sockets; i++) {
1331	/* Turn off all interrupt sources! */
1332	i365_set(i, I365_CSCINT, 0);
1333	release_region(socket[i].ioaddr, 2);
1334    }
1335    release_region(i365_base, 2);
1336#ifdef CONFIG_PNP
1337    if (i82365_pnpdev)
1338    		pnp_disable_dev(i82365_pnpdev);
1339#endif
1340    platform_driver_unregister(&i82365_driver);
1341} /* exit_i82365 */
1342
1343module_init(init_i82365);
1344module_exit(exit_i82365);
1345MODULE_LICENSE("Dual MPL/GPL");
1346/*====================================================================*/
1347