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>
52 #include <pcmcia/ss.h>
54 #include <linux/isapnp.h>
56 /* ISA-bus controllers */
63 static irqreturn_t
i365_count_irq(int, void *);
64 static inline int _check_irq(int irq
, int flags
)
66 if (request_irq(irq
, i365_count_irq
, flags
, "x", i365_count_irq
) != 0)
68 free_irq(irq
, i365_count_irq
);
72 /*====================================================================*/
74 /* Parameters that can be set with 'insmod' */
76 /* Default base address for i82365sl and other ISA chips */
77 static unsigned long i365_base
= 0x3e0;
78 /* Should we probe at 0x3e2 for an extra ISA controller? */
79 static int extra_sockets
= 0;
80 /* Specify a socket number to ignore */
81 static int ignore
= -1;
82 /* Bit map or list of interrupts to choose from */
83 static u_int irq_mask
= 0xffff;
84 static int irq_list
[16];
85 static unsigned int irq_list_count
;
86 /* The card status change interrupt -- 0 means autoselect */
87 static int cs_irq
= 0;
89 /* Probe for safe interrupts? */
90 static int do_scan
= 1;
91 /* Poll status interval -- 0 means default to interrupt */
92 static int poll_interval
= 0;
93 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
94 static int cycle_time
= 120;
97 static int has_dma
= -1;
98 static int has_led
= -1;
99 static int has_ring
= -1;
100 static int dynamic_mode
= 0;
101 static int freq_bypass
= -1;
102 static int setup_time
= -1;
103 static int cmd_time
= -1;
104 static int recov_time
= -1;
107 static int async_clock
= -1;
108 static int cable_mode
= -1;
109 static int wakeup
= 0;
111 module_param(i365_base
, ulong
, 0444);
112 module_param(ignore
, int, 0444);
113 module_param(extra_sockets
, int, 0444);
114 module_param(irq_mask
, int, 0444);
115 module_param_array(irq_list
, int, &irq_list_count
, 0444);
116 module_param(cs_irq
, int, 0444);
117 module_param(async_clock
, int, 0444);
118 module_param(cable_mode
, int, 0444);
119 module_param(wakeup
, int, 0444);
121 module_param(do_scan
, int, 0444);
122 module_param(poll_interval
, int, 0444);
123 module_param(cycle_time
, int, 0444);
124 module_param(has_dma
, int, 0444);
125 module_param(has_led
, int, 0444);
126 module_param(has_ring
, int, 0444);
127 module_param(dynamic_mode
, int, 0444);
128 module_param(freq_bypass
, int, 0444);
129 module_param(setup_time
, int, 0444);
130 module_param(cmd_time
, int, 0444);
131 module_param(recov_time
, int, 0444);
133 /*====================================================================*/
135 struct cirrus_state
{
144 struct i82365_socket
{
146 struct pcmcia_socket socket
;
152 struct cirrus_state cirrus
;
153 struct vg46x_state vg46x
;
157 /* Where we keep track of our sockets... */
158 static int sockets
= 0;
159 static struct i82365_socket socket
[8] = {
163 /* Default ISA interrupt mask */
164 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
167 static 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)
171 static struct timer_list poll_timer
;
173 /*====================================================================*/
175 /* These definitions must match the pcic table! */
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
,
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
197 static struct pcic pcic
[] = {
198 { "Intel i82365sl A step", 0 },
199 { "Intel i82365sl B step", 0 },
200 { "Intel i82365sl DF", IS_DF_PWR
},
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
},
211 #define PCIC_COUNT ARRAY_SIZE(pcic)
213 /*====================================================================*/
215 static DEFINE_SPINLOCK(bus_lock
);
217 static u_char
i365_get(u_short sock
, u_short reg
)
220 spin_lock_irqsave(&bus_lock
,flags
);
222 unsigned int port
= socket
[sock
].ioaddr
;
224 reg
= I365_REG(socket
[sock
].psock
, reg
);
225 outb(reg
, port
); val
= inb(port
+1);
226 spin_unlock_irqrestore(&bus_lock
,flags
);
231 static void i365_set(u_short sock
, u_short reg
, u_char data
)
234 spin_lock_irqsave(&bus_lock
,flags
);
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
);
243 static void i365_bset(u_short sock
, u_short reg
, u_char mask
)
245 u_char d
= i365_get(sock
, reg
);
247 i365_set(sock
, reg
, d
);
250 static void i365_bclr(u_short sock
, u_short reg
, u_char mask
)
252 u_char d
= i365_get(sock
, reg
);
254 i365_set(sock
, reg
, d
);
257 static void i365_bflip(u_short sock
, u_short reg
, u_char mask
, int b
)
259 u_char d
= i365_get(sock
, reg
);
264 i365_set(sock
, reg
, d
);
267 static u_short
i365_get_pair(u_short sock
, u_short reg
)
270 a
= i365_get(sock
, reg
);
271 b
= i365_get(sock
, reg
+1);
275 static void i365_set_pair(u_short sock
, u_short reg
, u_short data
)
277 i365_set(sock
, reg
, data
& 0xff);
278 i365_set(sock
, reg
+1, data
>> 8);
281 /*======================================================================
283 Code to save and restore global state information for Cirrus
284 PD67xx controllers, and to set and report global configuration
287 The VIA controllers also use these routines, as they are mostly
288 Cirrus lookalikes, without the timing registers.
290 ======================================================================*/
292 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
294 static void cirrus_get_state(u_short s
)
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
);
305 static void cirrus_set_state(u_short s
)
309 struct cirrus_state
*p
= &socket
[s
].state
.cirrus
;
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
]);
321 static u_int __init
cirrus_set_opts(u_short s
, char *buf
)
323 struct i82365_socket
*t
= &socket
[s
];
324 struct cirrus_state
*p
= &socket
[s
].state
.cirrus
;
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
)
342 strcat(buf
, " [led]");
346 strcat(buf
, " [dma]");
349 if (!(t
->flags
& IS_VIA
)) {
351 p
->timer
[0] = p
->timer
[3] = setup_time
;
353 p
->timer
[1] = cmd_time
;
354 p
->timer
[4] = cmd_time
*2+4;
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;
362 p
->timer
[2] = p
->timer
[5] = recov_time
;
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]);
370 /*======================================================================
372 Code to save and restore global state information for Vadem VG468
373 and VG469 controllers, and to set and report global configuration
376 ======================================================================*/
378 static void vg46x_get_state(u_short s
)
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
);
386 static void vg46x_set_state(u_short s
)
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
);
394 static u_int __init
vg46x_set_opts(u_short s
, char *buf
)
396 struct vg46x_state
*p
= &socket
[s
].state
.vg46x
;
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]");
411 if (p
->ema
& VG469_MODE_CABLE
)
412 strcat(buf
, " [cable]");
413 if (p
->ema
& VG469_MODE_COMPAT
)
414 strcat(buf
, " [c step]");
419 /*======================================================================
421 Generic routines to get and set controller options
423 ======================================================================*/
425 static void get_bridge_state(u_short s
)
427 struct i82365_socket
*t
= &socket
[s
];
428 if (t
->flags
& IS_CIRRUS
)
430 else if (t
->flags
& IS_VADEM
)
434 static void set_bridge_state(u_short s
)
436 struct i82365_socket
*t
= &socket
[s
];
437 if (t
->flags
& IS_CIRRUS
)
440 i365_set(s
, I365_GBLCTL
, 0x00);
441 i365_set(s
, I365_GENCTL
, 0x00);
443 i365_bflip(s
, I365_INTCTL
, I365_INTR_ENA
, t
->intr
);
444 if (t
->flags
& IS_VADEM
)
448 static u_int __init
set_bridge_opts(u_short s
, u_short ns
)
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
);
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
);
466 printk(KERN_INFO
" host opts [%d]:%s\n", i
,
467 (*buf
) ? buf
: " none");
472 /*======================================================================
474 Interrupt testing code, for ISA and PCI interrupts
476 ======================================================================*/
478 static volatile u_int irq_hits
;
479 static u_short irq_sock
;
481 static irqreturn_t
i365_count_irq(int irq
, void *dev
)
483 i365_get(irq_sock
, I365_CSC
);
485 pr_debug("i82365: -> hit on irq %d\n", irq
);
489 static u_int __init
test_irq(u_short sock
, int irq
)
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)
495 irq_hits
= 0; irq_sock
= sock
;
498 free_irq(irq
, i365_count_irq
);
499 pr_debug("i82365: spurious hit!\n");
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
);
508 free_irq(irq
, i365_count_irq
);
510 /* mask all interrupts */
511 i365_set(sock
, I365_CSCINT
, 0);
512 pr_debug("i82365: hits = %d\n", irq_hits
);
514 return (irq_hits
!= 1);
517 static u_int __init
isa_scan(u_short sock
, u_int mask0
)
524 /* Don't probe level-triggered interrupts -- reserved for PCI */
525 mask0
&= ~(inb(PIC
) | (inb(PIC
+1) << 8));
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))
534 for (i
= 0; i
< 16; i
++)
535 if ((mask1
& (1 << i
)) && (test_irq(sock
, i
) != 0))
539 printk(KERN_INFO
" ISA irqs (");
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))
548 /* If scan failed, default to polled status */
549 if (!cs_irq
&& (poll_interval
== 0)) poll_interval
= HZ
;
553 for (i
= 0; i
< 16; i
++)
555 printk("%s%d", ((mask1
& ((1<<i
)-1)) ? "," : ""), i
);
556 if (mask1
== 0) printk("none!");
561 /*====================================================================*/
563 /* Time conversion functions */
565 static int to_cycles(int ns
)
567 return ns
/cycle_time
;
570 /*====================================================================*/
572 static int __init
identify(unsigned int port
, u_short sock
)
577 /* Use the next free entry in the socket table */
578 socket
[sockets
].ioaddr
= port
;
579 socket
[sockets
].psock
= sock
;
581 /* Wake up a sleepy Cirrus controller */
583 i365_bclr(sockets
, PD67_MISC_CTL_2
, PD67_MC2_SUSPEND
);
584 /* Pause at least 50 ms */
588 if ((val
= i365_get(sockets
, I365_IDENT
)) & 0x70)
592 type
= IS_I82365A
; break;
594 type
= IS_I82365B
; break;
596 type
= IS_I82365DF
; break;
597 case 0x88: case 0x89: case 0x8a:
598 type
= IS_IBM
; break;
601 /* Check for Vadem VG-468 chips */
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
;
611 /* Check for Ricoh chips */
612 val
= i365_get(sockets
, RF5C_CHIP_ID
);
613 if ((val
== RF5C_CHIP_RF5C296
) || (val
== RF5C_CHIP_RF5C396
))
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)
631 /*======================================================================
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.
636 We make an exception for cards that seem to be serial devices.
638 ======================================================================*/
640 static int __init
is_alive(u_short sock
)
643 unsigned int start
, stop
;
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"))
654 release_region(start
, stop
-start
+1);
660 /*====================================================================*/
662 static void __init
add_socket(unsigned int port
, int psock
, int type
)
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
;
673 static void __init
add_pcic(int ns
, int type
)
675 u_int mask
= 0, i
, base
;
677 struct i82365_socket
*t
= &socket
[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" : ""));
686 /* Set host options, build basic interrupt mask */
687 if (irq_list_count
== 0)
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
);
696 /* Poll if only two interrupts available */
697 if (!poll_interval
) {
698 u_int tmp
= (mask
& 0xff20);
700 if ((tmp
& (tmp
-1)) == 0)
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))
714 printk(" status change on irq %d\n", cs_irq
);
719 if (poll_interval
== 0)
721 printk(" polling interval = %d ms\n",
722 poll_interval
* 1000 / HZ
);
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
;
736 /*====================================================================*/
739 static 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" },
748 MODULE_DEVICE_TABLE(isapnp
, id_table
);
750 static struct pnp_dev
*i82365_pnpdev
;
753 static void __init
isa_probe(void)
755 int i
, j
, sock
, k
, ns
, id
;
758 struct isapnp_device_id
*devid
;
761 for (devid
= id_table
; devid
->vendor
; devid
++) {
762 if ((dev
= pnp_find_dev(NULL
, devid
->vendor
, devid
->function
, NULL
))) {
764 if (pnp_device_attach(dev
) < 0)
767 if (pnp_activate_dev(dev
) < 0) {
768 printk("activate failed\n");
769 pnp_device_detach(dev
);
773 if (!pnp_port_valid(dev
, 0)) {
774 printk("invalid resources ?\n");
775 pnp_device_detach(dev
);
778 i365_base
= pnp_port_start(dev
, 0);
785 if (!request_region(i365_base
, 2, "i82365")) {
787 printk("port conflict at %#lx\n", i365_base
);
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);
797 if (identify(port
, sock
) == IS_I82365DF
) {
798 add_socket(port
, sock
, IS_VLSI
);
799 add_pcic(1, IS_VLSI
);
803 for (i
= 0; i
< 8; i
+= 2) {
804 if (sockets
&& !extra_sockets
&& (i
== 4))
806 port
= i365_base
+ 2*(i
>>2);
808 id
= identify(port
, sock
);
809 if (id
< 0) continue;
811 for (j
= ns
= 0; j
< 2; j
++) {
812 /* Does the socket exist? */
813 if ((ignore
== i
+j
) || (identify(port
, sock
+j
) < 0))
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
)
821 if (k
<= sockets
) break;
822 add_socket(port
, sock
+j
, id
); ns
++;
824 if (ns
!= 0) add_pcic(ns
, id
);
829 /*====================================================================*/
831 static irqreturn_t
pcic_interrupt(int irq
, void *dev
)
834 u_int events
, active
;
838 pr_debug("pcic_interrupt(%d)\n", irq
);
840 for (j
= 0; j
< 20; j
++) {
842 for (i
= 0; i
< sockets
; i
++) {
843 if (socket
[i
].cs_irq
!= irq
)
847 csc
= i365_get(i
, I365_CSC
);
848 if ((csc
== 0) || (i365_get(i
, I365_IDENT
) & 0x70)) {
849 ISA_UNLOCK(i
, flags
);
852 events
= (csc
& I365_CSC_DETECT
) ? SS_DETECT
: 0;
854 if (i365_get(i
, I365_INTCTL
) & I365_PC_IOCARD
)
855 events
|= (csc
& I365_CSC_STSCHG
) ? SS_STSCHG
: 0;
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;
861 ISA_UNLOCK(i
, flags
);
862 pr_debug("socket %d event 0x%02x\n", i
, events
);
865 pcmcia_parse_events(&socket
[i
].socket
, events
);
872 printk(KERN_NOTICE
"i82365: infinite loop in interrupt handler\n");
874 pr_debug("pcic_interrupt done\n");
875 return IRQ_RETVAL(handled
);
876 } /* pcic_interrupt */
878 static void pcic_interrupt_wrapper(u_long data
)
880 pcic_interrupt(0, NULL
);
881 poll_timer
.expires
= jiffies
+ poll_interval
;
882 add_timer(&poll_timer
);
885 /*====================================================================*/
887 static int i365_get_status(u_short sock
, u_int
*value
)
891 status
= i365_get(sock
, I365_STATUS
);
892 *value
= ((status
& I365_CS_DETECT
) == I365_CS_DETECT
)
895 if (i365_get(sock
, I365_INTCTL
) & I365_PC_IOCARD
)
896 *value
|= (status
& I365_CS_STSCHG
) ? 0 : SS_STSCHG
;
898 *value
|= (status
& I365_CS_BVD1
) ? 0 : SS_BATDEAD
;
899 *value
|= (status
& I365_CS_BVD2
) ? 0 : SS_BATWARN
;
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;
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
;
911 *value
|= (status
& VG469_VSENSE_A_VS1
) ? 0 : SS_3VCARD
;
912 *value
|= (status
& VG469_VSENSE_A_VS2
) ? 0 : SS_XVCARD
;
916 pr_debug("GetStatus(%d) = %#4.4x\n", sock
, *value
);
918 } /* i365_get_status */
920 /*====================================================================*/
922 static int i365_set_socket(u_short sock
, socket_state_t
*state
)
924 struct i82365_socket
*t
= &socket
[sock
];
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
);
931 /* First set global controller options */
932 set_bridge_state(sock
);
934 /* IO card, RESET flag, IO interrupt */
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
);
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
;
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
)
953 if (state
->Vcc
!= 0) {
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
);
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
)
969 if (state
->Vcc
!= 0) {
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
);
977 } else if (t
->flags
& IS_DF_PWR
) {
978 switch (state
->Vcc
) {
980 case 33: reg
|= I365_VCC_3V
; break;
981 case 50: reg
|= I365_VCC_5V
; break;
982 default: return -EINVAL
;
984 switch (state
->Vpp
) {
986 case 50: reg
|= I365_VPP1_5V
; break;
987 case 120: reg
|= I365_VPP1_12V
; break;
988 default: return -EINVAL
;
991 switch (state
->Vcc
) {
993 case 50: reg
|= I365_VCC_5V
; break;
994 default: return -EINVAL
;
996 switch (state
->Vpp
) {
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
;
1004 if (reg
!= i365_get(sock
, I365_POWER
))
1005 i365_set(sock
, I365_POWER
, reg
);
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
);
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
;
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
;
1024 i365_set(sock
, I365_CSCINT
, reg
);
1025 i365_get(sock
, I365_CSC
);
1028 } /* i365_set_socket */
1030 /*====================================================================*/
1032 static int i365_set_io_map(u_short sock
, struct pccard_io_map
*io
)
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
);
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
));
1057 } /* i365_set_io_map */
1059 /*====================================================================*/
1061 static int i365_set_mem_map(u_short sock
, struct pccard_mem_map
*mem
)
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
);
1072 if ((map
> 4) || (mem
->card_start
> 0x3ffffff) ||
1073 (mem
->res
->start
> mem
->res
->end
) || (mem
->speed
> 1000))
1075 if ((mem
->res
->start
> 0xffffff) || (mem
->res
->end
> 0xffffff))
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
));
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
);
1088 i
= (mem
->res
->end
>> 12) & 0x0fff;
1089 switch (to_cycles(mem
->speed
)) {
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;
1095 i365_set_pair(sock
, base
+I365_W_STOP
, i
);
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
);
1102 /* Turn on the window if necessary */
1103 if (mem
->flags
& MAP_ACTIVE
)
1104 i365_bset(sock
, I365_ADDRWIN
, I365_ENA_MEM(map
));
1106 } /* i365_set_mem_map */
1108 #if 0 /* driver model ordering issue */
1109 /*======================================================================
1111 Routines for accessing socket information and register dumps via
1112 /sys/class/pcmcia_socket/...
1114 ======================================================================*/
1116 static ssize_t
show_info(struct class_device
*class_dev
, char *buf
)
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
);
1123 static ssize_t
show_exca(struct class_device
*class_dev
, char *buf
)
1125 struct i82365_socket
*s
= container_of(class_dev
, struct i82365_socket
, socket
.dev
);
1126 unsigned short sock
;
1129 unsigned long flags
= 0;
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" : " ");
1141 ISA_UNLOCK(sock
, flags
);
1146 static CLASS_DEVICE_ATTR(exca
, S_IRUGO
, show_exca
, NULL
);
1147 static CLASS_DEVICE_ATTR(info
, S_IRUGO
, show_info
, NULL
);
1150 /*====================================================================*/
1152 /* this is horribly ugly... proper locking needs to be done here at
1154 #define LOCKED(x) do { \
1156 unsigned long flags; \
1157 spin_lock_irqsave(&isa_lock, flags); \
1159 spin_unlock_irqrestore(&isa_lock, flags); \
1164 static int pcic_get_status(struct pcmcia_socket
*s
, u_int
*value
)
1166 unsigned int sock
= container_of(s
, struct i82365_socket
, socket
)->number
;
1168 if (socket
[sock
].flags
& IS_ALIVE
) {
1173 LOCKED(i365_get_status(sock
, value
));
1176 static int pcic_set_socket(struct pcmcia_socket
*s
, socket_state_t
*state
)
1178 unsigned int sock
= container_of(s
, struct i82365_socket
, socket
)->number
;
1180 if (socket
[sock
].flags
& IS_ALIVE
)
1183 LOCKED(i365_set_socket(sock
, state
));
1186 static int pcic_set_io_map(struct pcmcia_socket
*s
, struct pccard_io_map
*io
)
1188 unsigned int sock
= container_of(s
, struct i82365_socket
, socket
)->number
;
1189 if (socket
[sock
].flags
& IS_ALIVE
)
1192 LOCKED(i365_set_io_map(sock
, io
));
1195 static int pcic_set_mem_map(struct pcmcia_socket
*s
, struct pccard_mem_map
*mem
)
1197 unsigned int sock
= container_of(s
, struct i82365_socket
, socket
)->number
;
1198 if (socket
[sock
].flags
& IS_ALIVE
)
1201 LOCKED(i365_set_mem_map(sock
, mem
));
1204 static int pcic_init(struct pcmcia_socket
*s
)
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
, };
1211 for (i
= 0; i
< 2; i
++) {
1213 pcic_set_io_map(s
, &io
);
1215 for (i
= 0; i
< 5; i
++) {
1217 pcic_set_mem_map(s
, &mem
);
1223 static struct pccard_operations pcic_operations
= {
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
,
1231 /*====================================================================*/
1233 static struct platform_driver i82365_driver
= {
1239 static struct platform_device
*i82365_device
;
1241 static int __init
init_i82365(void)
1245 ret
= platform_driver_register(&i82365_driver
);
1249 i82365_device
= platform_device_alloc("i82365", 0);
1250 if (i82365_device
) {
1251 ret
= platform_device_add(i82365_device
);
1253 platform_device_put(i82365_device
);
1258 goto err_driver_unregister
;
1260 printk(KERN_INFO
"Intel ISA PCIC probe: ");
1266 printk("not found.\n");
1268 goto err_dev_unregister
;
1271 /* Set up interrupt handler(s) */
1273 ret
= request_irq(cs_irq
, pcic_interrupt
, 0, "i82365", pcic_interrupt
);
1276 goto err_socket_release
;
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
);
1287 socket
[i
].flags
|= IS_REGISTERED
;
1290 /* Finally, schedule a polling interrupt */
1291 if (poll_interval
!= 0) {
1292 poll_timer
.function
= pcic_interrupt_wrapper
;
1293 poll_timer
.data
= 0;
1294 init_timer(&poll_timer
);
1295 poll_timer
.expires
= jiffies
+ poll_interval
;
1296 add_timer(&poll_timer
);
1301 for (i
= 0; i
< sockets
; i
++) {
1302 /* Turn off all interrupt sources! */
1303 i365_set(i
, I365_CSCINT
, 0);
1304 release_region(socket
[i
].ioaddr
, 2);
1307 platform_device_unregister(i82365_device
);
1308 release_region(i365_base
, 2);
1311 pnp_disable_dev(i82365_pnpdev
);
1313 err_driver_unregister
:
1314 platform_driver_unregister(&i82365_driver
);
1319 static void __exit
exit_i82365(void)
1323 for (i
= 0; i
< sockets
; i
++) {
1324 if (socket
[i
].flags
& IS_REGISTERED
)
1325 pcmcia_unregister_socket(&socket
[i
].socket
);
1327 platform_device_unregister(i82365_device
);
1328 if (poll_interval
!= 0)
1329 del_timer_sync(&poll_timer
);
1331 free_irq(cs_irq
, pcic_interrupt
);
1332 for (i
= 0; i
< sockets
; i
++) {
1333 /* Turn off all interrupt sources! */
1334 i365_set(i
, I365_CSCINT
, 0);
1335 release_region(socket
[i
].ioaddr
, 2);
1337 release_region(i365_base
, 2);
1340 pnp_disable_dev(i82365_pnpdev
);
1342 platform_driver_unregister(&i82365_driver
);
1345 module_init(init_i82365
);
1346 module_exit(exit_i82365
);
1347 MODULE_LICENSE("Dual MPL/GPL");
1348 /*====================================================================*/