1
/*======================================================================
3
Device driver for Intel 82365 and compatible PC Card controllers.
5
i82365.c 1.265 1999/11/10 18:36:21
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/
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.
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.
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.
32
======================================================================*/
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>
51
#include <asm/system.h>
53
#include <pcmcia/ss.h>
55
#include <linux/isapnp.h>
57
/* ISA-bus controllers */
64
static irqreturn_t i365_count_irq(int, void *);
65
static inline int _check_irq(int irq, int flags)
67
if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
69
free_irq(irq, i365_count_irq);
73
/*====================================================================*/
75
/* Parameters that can be set with 'insmod' */
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;
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;
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;
108
static int async_clock = -1;
109
static int cable_mode = -1;
110
static int wakeup = 0;
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);
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);
134
/*====================================================================*/
136
typedef struct cirrus_state_t {
141
typedef struct vg46x_state_t {
145
struct i82365_socket {
147
struct pcmcia_socket socket;
153
cirrus_state_t cirrus;
158
/* Where we keep track of our sockets... */
159
static int sockets = 0;
160
static struct i82365_socket socket[8] = {
164
/* Default ISA interrupt mask */
165
#define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
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)
172
static struct timer_list poll_timer;
174
/*====================================================================*/
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,
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
193
typedef struct pcic_t {
198
static pcic_t pcic[] = {
199
{ "Intel i82365sl A step", 0 },
200
{ "Intel i82365sl B step", 0 },
201
{ "Intel i82365sl DF", IS_DF_PWR },
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 },
212
#define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
214
/*====================================================================*/
216
static DEFINE_SPINLOCK(bus_lock);
218
static u_char i365_get(u_short sock, u_short reg)
221
spin_lock_irqsave(&bus_lock,flags);
223
unsigned int port = socket[sock].ioaddr;
225
reg = I365_REG(socket[sock].psock, reg);
226
outb(reg, port); val = inb(port+1);
227
spin_unlock_irqrestore(&bus_lock,flags);
232
static void i365_set(u_short sock, u_short reg, u_char data)
235
spin_lock_irqsave(&bus_lock,flags);
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);
244
static void i365_bset(u_short sock, u_short reg, u_char mask)
246
u_char d = i365_get(sock, reg);
248
i365_set(sock, reg, d);
251
static void i365_bclr(u_short sock, u_short reg, u_char mask)
253
u_char d = i365_get(sock, reg);
255
i365_set(sock, reg, d);
258
static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
260
u_char d = i365_get(sock, reg);
265
i365_set(sock, reg, d);
268
static u_short i365_get_pair(u_short sock, u_short reg)
271
a = i365_get(sock, reg);
272
b = i365_get(sock, reg+1);
276
static void i365_set_pair(u_short sock, u_short reg, u_short data)
278
i365_set(sock, reg, data & 0xff);
279
i365_set(sock, reg+1, data >> 8);
282
/*======================================================================
284
Code to save and restore global state information for Cirrus
285
PD67xx controllers, and to set and report global configuration
288
The VIA controllers also use these routines, as they are mostly
289
Cirrus lookalikes, without the timing registers.
291
======================================================================*/
293
#define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
295
static void cirrus_get_state(u_short s)
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);
306
static void cirrus_set_state(u_short s)
310
cirrus_state_t *p = &socket[s].state.cirrus;
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]);
322
static u_int __init cirrus_set_opts(u_short s, char *buf)
324
struct i82365_socket *t = &socket[s];
325
cirrus_state_t *p = &socket[s].state.cirrus;
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)
343
strcat(buf, " [led]");
347
strcat(buf, " [dma]");
350
if (!(t->flags & IS_VIA)) {
352
p->timer[0] = p->timer[3] = setup_time;
354
p->timer[1] = cmd_time;
355
p->timer[4] = cmd_time*2+4;
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;
363
p->timer[2] = p->timer[5] = recov_time;
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]);
371
/*======================================================================
373
Code to save and restore global state information for Vadem VG468
374
and VG469 controllers, and to set and report global configuration
377
======================================================================*/
379
static void vg46x_get_state(u_short s)
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);
387
static void vg46x_set_state(u_short s)
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);
395
static u_int __init vg46x_set_opts(u_short s, char *buf)
397
vg46x_state_t *p = &socket[s].state.vg46x;
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]");
412
if (p->ema & VG469_MODE_CABLE)
413
strcat(buf, " [cable]");
414
if (p->ema & VG469_MODE_COMPAT)
415
strcat(buf, " [c step]");
420
/*======================================================================
422
Generic routines to get and set controller options
424
======================================================================*/
426
static void get_bridge_state(u_short s)
428
struct i82365_socket *t = &socket[s];
429
if (t->flags & IS_CIRRUS)
431
else if (t->flags & IS_VADEM)
435
static void set_bridge_state(u_short s)
437
struct i82365_socket *t = &socket[s];
438
if (t->flags & IS_CIRRUS)
441
i365_set(s, I365_GBLCTL, 0x00);
442
i365_set(s, I365_GENCTL, 0x00);
444
i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
445
if (t->flags & IS_VADEM)
449
static u_int __init set_bridge_opts(u_short s, u_short ns)
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);
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);
467
printk(KERN_INFO " host opts [%d]:%s\n", i,
468
(*buf) ? buf : " none");
473
/*======================================================================
475
Interrupt testing code, for ISA and PCI interrupts
477
======================================================================*/
479
static volatile u_int irq_hits;
480
static u_short irq_sock;
482
static irqreturn_t i365_count_irq(int irq, void *dev)
484
i365_get(irq_sock, I365_CSC);
486
pr_debug("i82365: -> hit on irq %d\n", irq);
490
static u_int __init test_irq(u_short sock, int irq)
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)
496
irq_hits = 0; irq_sock = sock;
499
free_irq(irq, i365_count_irq);
500
pr_debug("i82365: spurious hit!\n");
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);
509
free_irq(irq, i365_count_irq);
511
/* mask all interrupts */
512
i365_set(sock, I365_CSCINT, 0);
513
pr_debug("i82365: hits = %d\n", irq_hits);
515
return (irq_hits != 1);
518
static u_int __init isa_scan(u_short sock, u_int mask0)
525
/* Don't probe level-triggered interrupts -- reserved for PCI */
526
mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
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))
535
for (i = 0; i < 16; i++)
536
if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
540
printk(KERN_INFO " ISA irqs (");
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))
549
/* If scan failed, default to polled status */
550
if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
554
for (i = 0; i < 16; i++)
556
printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
557
if (mask1 == 0) printk("none!");
562
/*====================================================================*/
564
/* Time conversion functions */
566
static int to_cycles(int ns)
568
return ns/cycle_time;
571
/*====================================================================*/
573
static int __init identify(unsigned int port, u_short sock)
578
/* Use the next free entry in the socket table */
579
socket[sockets].ioaddr = port;
580
socket[sockets].psock = sock;
582
/* Wake up a sleepy Cirrus controller */
584
i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
585
/* Pause at least 50 ms */
589
if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
593
type = IS_I82365A; break;
595
type = IS_I82365B; break;
597
type = IS_I82365DF; break;
598
case 0x88: case 0x89: case 0x8a:
599
type = IS_IBM; break;
602
/* Check for Vadem VG-468 chips */
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;
612
/* Check for Ricoh chips */
613
val = i365_get(sockets, RF5C_CHIP_ID);
614
if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
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)
632
/*======================================================================
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.
637
We make an exception for cards that seem to be serial devices.
639
======================================================================*/
641
static int __init is_alive(u_short sock)
644
unsigned int start, stop;
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"))
655
release_region(start, stop-start+1);
661
/*====================================================================*/
663
static void __init add_socket(unsigned int port, int psock, int type)
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;
674
static void __init add_pcic(int ns, int type)
676
u_int mask = 0, i, base;
678
struct i82365_socket *t = &socket[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" : ""));
687
/* Set host options, build basic interrupt mask */
688
if (irq_list_count == 0)
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);
697
/* Poll if only two interrupts available */
698
if (!poll_interval) {
699
u_int tmp = (mask & 0xff20);
701
if ((tmp & (tmp-1)) == 0)
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))
715
printk(" status change on irq %d\n", cs_irq);
720
if (poll_interval == 0)
722
printk(" polling interval = %d ms\n",
723
poll_interval * 1000 / HZ);
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;
737
/*====================================================================*/
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" },
749
MODULE_DEVICE_TABLE(isapnp, id_table);
751
static struct pnp_dev *i82365_pnpdev;
754
static void __init isa_probe(void)
756
int i, j, sock, k, ns, id;
759
struct isapnp_device_id *devid;
762
for (devid = id_table; devid->vendor; devid++) {
763
if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
765
if (pnp_device_attach(dev) < 0)
768
if (pnp_activate_dev(dev) < 0) {
769
printk("activate failed\n");
770
pnp_device_detach(dev);
774
if (!pnp_port_valid(dev, 0)) {
775
printk("invalid resources ?\n");
776
pnp_device_detach(dev);
779
i365_base = pnp_port_start(dev, 0);
786
if (!request_region(i365_base, 2, "i82365")) {
788
printk("port conflict at %#lx\n", i365_base);
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);
798
if (identify(port, sock) == IS_I82365DF) {
799
add_socket(port, sock, IS_VLSI);
800
add_pcic(1, IS_VLSI);
804
for (i = 0; i < 8; i += 2) {
805
if (sockets && !extra_sockets && (i == 4))
807
port = i365_base + 2*(i>>2);
809
id = identify(port, sock);
810
if (id < 0) continue;
812
for (j = ns = 0; j < 2; j++) {
813
/* Does the socket exist? */
814
if ((ignore == i+j) || (identify(port, sock+j) < 0))
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)
822
if (k <= sockets) break;
823
add_socket(port, sock+j, id); ns++;
825
if (ns != 0) add_pcic(ns, id);
830
/*====================================================================*/
832
static irqreturn_t pcic_interrupt(int irq, void *dev)
835
u_int events, active;
839
pr_debug("pcic_interrupt(%d)\n", irq);
841
for (j = 0; j < 20; j++) {
843
for (i = 0; i < sockets; i++) {
844
if (socket[i].cs_irq != irq)
848
csc = i365_get(i, I365_CSC);
849
if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
850
ISA_UNLOCK(i, flags);
853
events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
855
if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
856
events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
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;
862
ISA_UNLOCK(i, flags);
863
pr_debug("socket %d event 0x%02x\n", i, events);
866
pcmcia_parse_events(&socket[i].socket, events);
873
printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
875
pr_debug("pcic_interrupt done\n");
876
return IRQ_RETVAL(handled);
877
} /* pcic_interrupt */
879
static void pcic_interrupt_wrapper(u_long data)
881
pcic_interrupt(0, NULL);
882
poll_timer.expires = jiffies + poll_interval;
883
add_timer(&poll_timer);
886
/*====================================================================*/
888
static int i365_get_status(u_short sock, u_int *value)
892
status = i365_get(sock, I365_STATUS);
893
*value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
896
if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
897
*value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
899
*value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
900
*value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
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;
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;
912
*value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
913
*value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
917
pr_debug("GetStatus(%d) = %#4.4x\n", sock, *value);
919
} /* i365_get_status */
921
/*====================================================================*/
923
static int i365_set_socket(u_short sock, socket_state_t *state)
925
struct i82365_socket *t = &socket[sock];
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);
932
/* First set global controller options */
933
set_bridge_state(sock);
935
/* IO card, RESET flag, IO interrupt */
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);
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;
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)
954
if (state->Vcc != 0) {
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);
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)
970
if (state->Vcc != 0) {
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);
978
} else if (t->flags & IS_DF_PWR) {
979
switch (state->Vcc) {
981
case 33: reg |= I365_VCC_3V; break;
982
case 50: reg |= I365_VCC_5V; break;
983
default: return -EINVAL;
985
switch (state->Vpp) {
987
case 50: reg |= I365_VPP1_5V; break;
988
case 120: reg |= I365_VPP1_12V; break;
989
default: return -EINVAL;
992
switch (state->Vcc) {
994
case 50: reg |= I365_VCC_5V; break;
995
default: return -EINVAL;
997
switch (state->Vpp) {
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;
1005
if (reg != i365_get(sock, I365_POWER))
1006
i365_set(sock, I365_POWER, reg);
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);
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;
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;
1025
i365_set(sock, I365_CSCINT, reg);
1026
i365_get(sock, I365_CSC);
1029
} /* i365_set_socket */
1031
/*====================================================================*/
1033
static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
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);
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));
1058
} /* i365_set_io_map */
1060
/*====================================================================*/
1062
static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
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);
1073
if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1074
(mem->res->start > mem->res->end) || (mem->speed > 1000))
1076
if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
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));
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);
1089
i = (mem->res->end >> 12) & 0x0fff;
1090
switch (to_cycles(mem->speed)) {
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;
1096
i365_set_pair(sock, base+I365_W_STOP, i);
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);
1103
/* Turn on the window if necessary */
1104
if (mem->flags & MAP_ACTIVE)
1105
i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1107
} /* i365_set_mem_map */
1109
#if 0 /* driver model ordering issue */
1110
/*======================================================================
1112
Routines for accessing socket information and register dumps via
1113
/sys/class/pcmcia_socket/...
1115
======================================================================*/
1117
static ssize_t show_info(struct class_device *class_dev, char *buf)
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);
1124
static ssize_t show_exca(struct class_device *class_dev, char *buf)
1126
struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1127
unsigned short sock;
1130
unsigned long flags = 0;
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" : " ");
1142
ISA_UNLOCK(sock, flags);
1147
static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1148
static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1151
/*====================================================================*/
1153
/* this is horribly ugly... proper locking needs to be done here at
1155
#define LOCKED(x) do { \
1157
unsigned long flags; \
1158
spin_lock_irqsave(&isa_lock, flags); \
1160
spin_unlock_irqrestore(&isa_lock, flags); \
1165
static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1167
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1169
if (socket[sock].flags & IS_ALIVE) {
1174
LOCKED(i365_get_status(sock, value));
1177
static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1179
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1181
if (socket[sock].flags & IS_ALIVE)
1184
LOCKED(i365_set_socket(sock, state));
1187
static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1189
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1190
if (socket[sock].flags & IS_ALIVE)
1193
LOCKED(i365_set_io_map(sock, io));
1196
static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1198
unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1199
if (socket[sock].flags & IS_ALIVE)
1202
LOCKED(i365_set_mem_map(sock, mem));
1205
static int pcic_init(struct pcmcia_socket *s)
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, };
1212
for (i = 0; i < 2; i++) {
1214
pcic_set_io_map(s, &io);
1216
for (i = 0; i < 5; i++) {
1218
pcic_set_mem_map(s, &mem);
1224
static struct pccard_operations pcic_operations = {
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,
1232
/*====================================================================*/
1234
static struct platform_driver i82365_driver = {
1237
.owner = THIS_MODULE,
1241
static struct platform_device *i82365_device;
1243
static int __init init_i82365(void)
1247
ret = platform_driver_register(&i82365_driver);
1251
i82365_device = platform_device_alloc("i82365", 0);
1252
if (i82365_device) {
1253
ret = platform_device_add(i82365_device);
1255
platform_device_put(i82365_device);
1260
goto err_driver_unregister;
1262
printk(KERN_INFO "Intel ISA PCIC probe: ");
1268
printk("not found.\n");
1270
goto err_dev_unregister;
1273
/* Set up interrupt handler(s) */
1275
ret = request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1278
goto err_socket_release;
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);
1289
socket[i].flags |= IS_REGISTERED;
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);
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);
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);
1316
platform_device_unregister(i82365_device);
1317
release_region(i365_base, 2);
1320
pnp_disable_dev(i82365_pnpdev);
1322
err_driver_unregister:
1323
platform_driver_unregister(&i82365_driver);
1328
static void __exit exit_i82365(void)
1332
for (i = 0; i < sockets; i++) {
1333
if (socket[i].flags & IS_REGISTERED)
1334
pcmcia_unregister_socket(&socket[i].socket);
1336
platform_device_unregister(i82365_device);
1337
if (poll_interval != 0)
1338
del_timer_sync(&poll_timer);
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);
1346
release_region(i365_base, 2);
1349
pnp_disable_dev(i82365_pnpdev);
1351
platform_driver_unregister(&i82365_driver);
1354
module_init(init_i82365);
1355
module_exit(exit_i82365);
1356
MODULE_LICENSE("Dual MPL/GPL");
1357
/*====================================================================*/