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/config.h>
38 #include <linux/types.h>
39 #include <linux/fcntl.h>
40 #include <linux/string.h>
41 #include <linux/kernel.h>
42 #include <linux/errno.h>
43 #include <linux/timer.h>
44 #include <linux/sched.h>
45 #include <linux/slab.h>
46 #include <linux/ioport.h>
47 #include <linux/delay.h>
48 #include <linux/workqueue.h>
49 #include <linux/interrupt.h>
50 #include <linux/platform_device.h>
51 #include <linux/bitops.h>
54 #include <asm/system.h>
56 #include <pcmcia/cs_types.h>
57 #include <pcmcia/ss.h>
58 #include <pcmcia/cs.h>
60 #include <linux/isapnp.h>
62 /* ISA-bus controllers */
69 static const char version[] =
70 "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)";
74 module_param(pc_debug, int, 0644);
76 #define debug(lvl, fmt, arg...) do { \
77 if (pc_debug > (lvl)) \
78 printk(KERN_DEBUG "i82365: " fmt , ## arg); \
81 #define debug(lvl, fmt, arg...) do { } while (0)
84 static irqreturn_t i365_count_irq(int, void *, struct pt_regs *);
85 static inline int _check_irq(int irq, int flags)
87 if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
89 free_irq(irq, i365_count_irq);
93 /*====================================================================*/
95 /* Parameters that can be set with 'insmod' */
97 /* Default base address for i82365sl and other ISA chips */
98 static unsigned long i365_base = 0x3e0;
99 /* Should we probe at 0x3e2 for an extra ISA controller? */
100 static int extra_sockets = 0;
101 /* Specify a socket number to ignore */
102 static int ignore = -1;
103 /* Bit map or list of interrupts to choose from */
104 static u_int irq_mask = 0xffff;
105 static int irq_list[16];
106 static int irq_list_count;
107 /* The card status change interrupt -- 0 means autoselect */
108 static int cs_irq = 0;
110 /* Probe for safe interrupts? */
111 static int do_scan = 1;
112 /* Poll status interval -- 0 means default to interrupt */
113 static int poll_interval = 0;
114 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
115 static int cycle_time = 120;
118 static int has_dma = -1;
119 static int has_led = -1;
120 static int has_ring = -1;
121 static int dynamic_mode = 0;
122 static int freq_bypass = -1;
123 static int setup_time = -1;
124 static int cmd_time = -1;
125 static int recov_time = -1;
128 static int async_clock = -1;
129 static int cable_mode = -1;
130 static int wakeup = 0;
132 module_param(i365_base, ulong, 0444);
133 module_param(ignore, int, 0444);
134 module_param(extra_sockets, int, 0444);
135 module_param(irq_mask, int, 0444);
136 module_param_array(irq_list, int, &irq_list_count, 0444);
137 module_param(cs_irq, int, 0444);
138 module_param(async_clock, int, 0444);
139 module_param(cable_mode, int, 0444);
140 module_param(wakeup, int, 0444);
142 module_param(do_scan, int, 0444);
143 module_param(poll_interval, int, 0444);
144 module_param(cycle_time, int, 0444);
145 module_param(has_dma, int, 0444);
146 module_param(has_led, int, 0444);
147 module_param(has_ring, int, 0444);
148 module_param(dynamic_mode, int, 0444);
149 module_param(freq_bypass, int, 0444);
150 module_param(setup_time, int, 0444);
151 module_param(cmd_time, int, 0444);
152 module_param(recov_time, int, 0444);
154 /*====================================================================*/
156 typedef struct cirrus_state_t {
161 typedef struct vg46x_state_t {
165 struct i82365_socket {
167 struct pcmcia_socket socket;
173 cirrus_state_t cirrus;
178 /* Where we keep track of our sockets... */
179 static int sockets = 0;
180 static struct i82365_socket socket[8] = {
184 /* Default ISA interrupt mask */
185 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
188 static DEFINE_SPINLOCK(isa_lock);
189 #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
190 #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
192 static struct timer_list poll_timer;
194 /*====================================================================*/
196 /* These definitions must match the pcic table! */
197 typedef enum pcic_id {
198 IS_I82365A, IS_I82365B, IS_I82365DF,
199 IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
200 IS_PD6710, IS_PD672X, IS_VT83C469,
203 /* Flags for classifying groups of controllers */
204 #define IS_VADEM 0x0001
205 #define IS_CIRRUS 0x0002
206 #define IS_VIA 0x0010
207 #define IS_UNKNOWN 0x0400
208 #define IS_VG_PWR 0x0800
209 #define IS_DF_PWR 0x1000
210 #define IS_REGISTERED 0x2000
211 #define IS_ALIVE 0x8000
213 typedef struct pcic_t {
218 static pcic_t pcic[] = {
219 { "Intel i82365sl A step", 0 },
220 { "Intel i82365sl B step", 0 },
221 { "Intel i82365sl DF", IS_DF_PWR },
223 { "Ricoh RF5C296/396", 0 },
224 { "VLSI 82C146", 0 },
225 { "Vadem VG-468", IS_VADEM },
226 { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
227 { "Cirrus PD6710", IS_CIRRUS },
228 { "Cirrus PD672x", IS_CIRRUS },
229 { "VIA VT83C469", IS_CIRRUS|IS_VIA },
232 #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
234 /*====================================================================*/
236 static DEFINE_SPINLOCK(bus_lock);
238 static u_char i365_get(u_short sock, u_short reg)
241 spin_lock_irqsave(&bus_lock,flags);
243 kio_addr_t port = socket[sock].ioaddr;
245 reg = I365_REG(socket[sock].psock, reg);
246 outb(reg, port); val = inb(port+1);
247 spin_unlock_irqrestore(&bus_lock,flags);
252 static void i365_set(u_short sock, u_short reg, u_char data)
255 spin_lock_irqsave(&bus_lock,flags);
257 kio_addr_t port = socket[sock].ioaddr;
258 u_char val = I365_REG(socket[sock].psock, reg);
259 outb(val, port); outb(data, port+1);
260 spin_unlock_irqrestore(&bus_lock,flags);
264 static void i365_bset(u_short sock, u_short reg, u_char mask)
266 u_char d = i365_get(sock, reg);
268 i365_set(sock, reg, d);
271 static void i365_bclr(u_short sock, u_short reg, u_char mask)
273 u_char d = i365_get(sock, reg);
275 i365_set(sock, reg, d);
278 static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
280 u_char d = i365_get(sock, reg);
285 i365_set(sock, reg, d);
288 static u_short i365_get_pair(u_short sock, u_short reg)
291 a = i365_get(sock, reg);
292 b = i365_get(sock, reg+1);
296 static void i365_set_pair(u_short sock, u_short reg, u_short data)
298 i365_set(sock, reg, data & 0xff);
299 i365_set(sock, reg+1, data >> 8);
302 /*======================================================================
304 Code to save and restore global state information for Cirrus
305 PD67xx controllers, and to set and report global configuration
308 The VIA controllers also use these routines, as they are mostly
309 Cirrus lookalikes, without the timing registers.
311 ======================================================================*/
313 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
315 static void cirrus_get_state(u_short s)
318 cirrus_state_t *p = &socket[s].state.cirrus;
319 p->misc1 = i365_get(s, PD67_MISC_CTL_1);
320 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
321 p->misc2 = i365_get(s, PD67_MISC_CTL_2);
322 for (i = 0; i < 6; i++)
323 p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
326 static void cirrus_set_state(u_short s)
330 cirrus_state_t *p = &socket[s].state.cirrus;
332 misc = i365_get(s, PD67_MISC_CTL_2);
333 i365_set(s, PD67_MISC_CTL_2, p->misc2);
334 if (misc & PD67_MC2_SUSPEND) mdelay(50);
335 misc = i365_get(s, PD67_MISC_CTL_1);
336 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
337 i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
338 for (i = 0; i < 6; i++)
339 i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
342 static u_int __init cirrus_set_opts(u_short s, char *buf)
344 struct i82365_socket *t = &socket[s];
345 cirrus_state_t *p = &socket[s].state.cirrus;
348 if (has_ring == -1) has_ring = 1;
349 flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
350 flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
351 flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
352 if (p->misc2 & PD67_MC2_IRQ15_RI)
353 strcat(buf, " [ring]");
354 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
355 strcat(buf, " [dyn mode]");
356 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
357 strcat(buf, " [freq bypass]");
358 if (p->misc1 & PD67_MC1_INPACK_ENA)
359 strcat(buf, " [inpack]");
360 if (p->misc2 & PD67_MC2_IRQ15_RI)
363 strcat(buf, " [led]");
367 strcat(buf, " [dma]");
370 if (!(t->flags & IS_VIA)) {
372 p->timer[0] = p->timer[3] = setup_time;
374 p->timer[1] = cmd_time;
375 p->timer[4] = cmd_time*2+4;
377 if (p->timer[1] == 0) {
378 p->timer[1] = 6; p->timer[4] = 16;
379 if (p->timer[0] == 0)
380 p->timer[0] = p->timer[3] = 1;
383 p->timer[2] = p->timer[5] = recov_time;
385 sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
386 p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
391 /*======================================================================
393 Code to save and restore global state information for Vadem VG468
394 and VG469 controllers, and to set and report global configuration
397 ======================================================================*/
399 static void vg46x_get_state(u_short s)
401 vg46x_state_t *p = &socket[s].state.vg46x;
402 p->ctl = i365_get(s, VG468_CTL);
403 if (socket[s].type == IS_VG469)
404 p->ema = i365_get(s, VG469_EXT_MODE);
407 static void vg46x_set_state(u_short s)
409 vg46x_state_t *p = &socket[s].state.vg46x;
410 i365_set(s, VG468_CTL, p->ctl);
411 if (socket[s].type == IS_VG469)
412 i365_set(s, VG469_EXT_MODE, p->ema);
415 static u_int __init vg46x_set_opts(u_short s, char *buf)
417 vg46x_state_t *p = &socket[s].state.vg46x;
419 flip(p->ctl, VG468_CTL_ASYNC, async_clock);
420 flip(p->ema, VG469_MODE_CABLE, cable_mode);
421 if (p->ctl & VG468_CTL_ASYNC)
422 strcat(buf, " [async]");
423 if (p->ctl & VG468_CTL_INPACK)
424 strcat(buf, " [inpack]");
425 if (socket[s].type == IS_VG469) {
426 u_char vsel = i365_get(s, VG469_VSELECT);
427 if (vsel & VG469_VSEL_EXT_STAT) {
428 strcat(buf, " [ext mode]");
429 if (vsel & VG469_VSEL_EXT_BUS)
430 strcat(buf, " [isa buf]");
432 if (p->ema & VG469_MODE_CABLE)
433 strcat(buf, " [cable]");
434 if (p->ema & VG469_MODE_COMPAT)
435 strcat(buf, " [c step]");
440 /*======================================================================
442 Generic routines to get and set controller options
444 ======================================================================*/
446 static void get_bridge_state(u_short s)
448 struct i82365_socket *t = &socket[s];
449 if (t->flags & IS_CIRRUS)
451 else if (t->flags & IS_VADEM)
455 static void set_bridge_state(u_short s)
457 struct i82365_socket *t = &socket[s];
458 if (t->flags & IS_CIRRUS)
461 i365_set(s, I365_GBLCTL, 0x00);
462 i365_set(s, I365_GENCTL, 0x00);
464 i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
465 if (t->flags & IS_VADEM)
469 static u_int __init set_bridge_opts(u_short s, u_short ns)
475 for (i = s; i < s+ns; i++) {
476 if (socket[i].flags & IS_ALIVE) {
477 printk(KERN_INFO " host opts [%d]: already alive!\n", i);
482 if (socket[i].flags & IS_CIRRUS)
483 m = cirrus_set_opts(i, buf);
484 else if (socket[i].flags & IS_VADEM)
485 m = vg46x_set_opts(i, buf);
487 printk(KERN_INFO " host opts [%d]:%s\n", i,
488 (*buf) ? buf : " none");
493 /*======================================================================
495 Interrupt testing code, for ISA and PCI interrupts
497 ======================================================================*/
499 static volatile u_int irq_hits;
500 static u_short irq_sock;
502 static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
504 i365_get(irq_sock, I365_CSC);
506 debug(2, "-> hit on irq %d\n", irq);
510 static u_int __init test_irq(u_short sock, int irq)
512 debug(2, " testing ISA irq %d\n", irq);
513 if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0)
515 irq_hits = 0; irq_sock = sock;
518 free_irq(irq, i365_count_irq);
519 debug(2, " spurious hit!\n");
523 /* Generate one interrupt */
524 i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
525 i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
528 free_irq(irq, i365_count_irq);
530 /* mask all interrupts */
531 i365_set(sock, I365_CSCINT, 0);
532 debug(2, " hits = %d\n", irq_hits);
534 return (irq_hits != 1);
537 static u_int __init isa_scan(u_short sock, u_int mask0)
544 /* Don't probe level-triggered interrupts -- reserved for PCI */
545 mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
549 set_bridge_state(sock);
550 i365_set(sock, I365_CSCINT, 0);
551 for (i = 0; i < 16; i++)
552 if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
554 for (i = 0; i < 16; i++)
555 if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
559 printk(KERN_INFO " ISA irqs (");
563 /* Fallback: just find interrupts that aren't in use */
564 for (i = 0; i < 16; i++)
565 if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0))
568 /* If scan failed, default to polled status */
569 if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
573 for (i = 0; i < 16; i++)
575 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
576 if (mask1 == 0) printk("none!");
581 /*====================================================================*/
583 /* Time conversion functions */
585 static int to_cycles(int ns)
587 return ns/cycle_time;
590 /*====================================================================*/
592 static int __init identify(kio_addr_t port, u_short sock)
597 /* Use the next free entry in the socket table */
598 socket[sockets].ioaddr = port;
599 socket[sockets].psock = sock;
601 /* Wake up a sleepy Cirrus controller */
603 i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
604 /* Pause at least 50 ms */
608 if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
612 type = IS_I82365A; break;
614 type = IS_I82365B; break;
616 type = IS_I82365DF; break;
617 case 0x88: case 0x89: case 0x8a:
618 type = IS_IBM; break;
621 /* Check for Vadem VG-468 chips */
624 i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
625 val = i365_get(sockets, I365_IDENT);
626 if (val & I365_IDENT_VADEM) {
627 i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
628 type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
631 /* Check for Ricoh chips */
632 val = i365_get(sockets, RF5C_CHIP_ID);
633 if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
636 /* Check for Cirrus CL-PD67xx chips */
637 i365_set(sockets, PD67_CHIP_INFO, 0);
638 val = i365_get(sockets, PD67_CHIP_INFO);
639 if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
640 val = i365_get(sockets, PD67_CHIP_INFO);
641 if ((val & PD67_INFO_CHIP_ID) == 0) {
642 type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
643 i365_set(sockets, PD67_EXT_INDEX, 0xe5);
644 if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
651 /*======================================================================
653 See if a card is present, powered up, in IO mode, and already
654 bound to a (non PC Card) Linux driver. We leave these alone.
656 We make an exception for cards that seem to be serial devices.
658 ======================================================================*/
660 static int __init is_alive(u_short sock)
663 kio_addr_t start, stop;
665 stat = i365_get(sock, I365_STATUS);
666 start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
667 stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
668 if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
669 (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
670 (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
671 ((start & 0xfeef) != 0x02e8)) {
672 if (!request_region(start, stop-start+1, "i82365"))
674 release_region(start, stop-start+1);
680 /*====================================================================*/
682 static void __init add_socket(kio_addr_t port, int psock, int type)
684 socket[sockets].ioaddr = port;
685 socket[sockets].psock = psock;
686 socket[sockets].type = type;
687 socket[sockets].flags = pcic[type].flags;
688 if (is_alive(sockets))
689 socket[sockets].flags |= IS_ALIVE;
693 static void __init add_pcic(int ns, int type)
695 u_int mask = 0, i, base;
697 struct i82365_socket *t = &socket[sockets-ns];
700 if (base == 0) printk("\n");
701 printk(KERN_INFO " %s", pcic[type].name);
702 printk(" ISA-to-PCMCIA at port %#lx ofs 0x%02x",
703 t->ioaddr, t->psock*0x40);
704 printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
706 /* Set host options, build basic interrupt mask */
707 if (irq_list_count == 0)
710 for (i = mask = 0; i < irq_list_count; i++)
711 mask |= (1<<irq_list[i]);
712 mask &= I365_MASK & set_bridge_opts(base, ns);
713 /* Scan for ISA interrupts */
714 mask = isa_scan(base, mask);
716 /* Poll if only two interrupts available */
717 if (!poll_interval) {
718 u_int tmp = (mask & 0xff20);
720 if ((tmp & (tmp-1)) == 0)
723 /* Only try an ISA cs_irq if this is the first controller */
724 if (!grab_irq && (cs_irq || !poll_interval)) {
725 /* Avoid irq 12 unless it is explicitly requested */
726 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
727 for (cs_irq = 15; cs_irq > 0; cs_irq--)
728 if ((cs_mask & (1 << cs_irq)) &&
729 (_check_irq(cs_irq, 0) == 0))
734 printk(" status change on irq %d\n", cs_irq);
739 if (poll_interval == 0)
741 printk(" polling interval = %d ms\n",
742 poll_interval * 1000 / HZ);
746 /* Update socket interrupt information, capabilities */
747 for (i = 0; i < ns; i++) {
748 t[i].socket.features |= SS_CAP_PCCARD;
749 t[i].socket.map_size = 0x1000;
750 t[i].socket.irq_mask = mask;
751 t[i].cs_irq = isa_irq;
756 /*====================================================================*/
759 static struct isapnp_device_id id_table[] __initdata = {
760 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
761 ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
762 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
763 ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
764 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
765 ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
768 MODULE_DEVICE_TABLE(isapnp, id_table);
770 static struct pnp_dev *i82365_pnpdev;
773 static void __init isa_probe(void)
775 int i, j, sock, k, ns, id;
778 struct isapnp_device_id *devid;
781 for (devid = id_table; devid->vendor; devid++) {
782 if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
784 if (pnp_device_attach(dev) < 0)
787 if (pnp_activate_dev(dev) < 0) {
788 printk("activate failed\n");
789 pnp_device_detach(dev);
793 if (!pnp_port_valid(dev, 0)) {
794 printk("invalid resources ?\n");
795 pnp_device_detach(dev);
798 i365_base = pnp_port_start(dev, 0);
805 if (!request_region(i365_base, 2, "i82365")) {
807 printk("port conflict at %#lx\n", i365_base);
811 id = identify(i365_base, 0);
812 if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
813 for (i = 0; i < 4; i++) {
814 if (i == ignore) continue;
815 port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
817 if (identify(port, sock) == IS_I82365DF) {
818 add_socket(port, sock, IS_VLSI);
819 add_pcic(1, IS_VLSI);
823 for (i = 0; i < 8; i += 2) {
824 if (sockets && !extra_sockets && (i == 4))
826 port = i365_base + 2*(i>>2);
828 id = identify(port, sock);
829 if (id < 0) continue;
831 for (j = ns = 0; j < 2; j++) {
832 /* Does the socket exist? */
833 if ((ignore == i+j) || (identify(port, sock+j) < 0))
835 /* Check for bad socket decode */
836 for (k = 0; k <= sockets; k++)
837 i365_set(k, I365_MEM(0)+I365_W_OFF, k);
838 for (k = 0; k <= sockets; k++)
839 if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
841 if (k <= sockets) break;
842 add_socket(port, sock+j, id); ns++;
844 if (ns != 0) add_pcic(ns, id);
849 /*====================================================================*/
851 static irqreturn_t pcic_interrupt(int irq, void *dev,
852 struct pt_regs *regs)
855 u_int events, active;
859 debug(4, "pcic_interrupt(%d)\n", irq);
861 for (j = 0; j < 20; j++) {
863 for (i = 0; i < sockets; i++) {
864 if (socket[i].cs_irq != irq)
868 csc = i365_get(i, I365_CSC);
869 if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
870 ISA_UNLOCK(i, flags);
873 events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
875 if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
876 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
878 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
879 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
880 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
882 ISA_UNLOCK(i, flags);
883 debug(2, "socket %d event 0x%02x\n", i, events);
886 pcmcia_parse_events(&socket[i].socket, events);
893 printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
895 debug(4, "interrupt done\n");
896 return IRQ_RETVAL(handled);
897 } /* pcic_interrupt */
899 static void pcic_interrupt_wrapper(u_long data)
901 pcic_interrupt(0, NULL, NULL);
902 poll_timer.expires = jiffies + poll_interval;
903 add_timer(&poll_timer);
906 /*====================================================================*/
908 static int i365_get_status(u_short sock, u_int *value)
912 status = i365_get(sock, I365_STATUS);
913 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
916 if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
917 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
919 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
920 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
922 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
923 *value |= (status & I365_CS_READY) ? SS_READY : 0;
924 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
926 if (socket[sock].type == IS_VG469) {
927 status = i365_get(sock, VG469_VSENSE);
928 if (socket[sock].psock & 1) {
929 *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
930 *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
932 *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
933 *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
937 debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value);
939 } /* i365_get_status */
941 /*====================================================================*/
943 static int i365_get_socket(u_short sock, socket_state_t *state)
945 struct i82365_socket *t = &socket[sock];
946 u_char reg, vcc, vpp;
948 reg = i365_get(sock, I365_POWER);
949 state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0;
950 state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0;
951 vcc = reg & I365_VCC_MASK; vpp = reg & I365_VPP1_MASK;
952 state->Vcc = state->Vpp = 0;
953 if (t->flags & IS_CIRRUS) {
954 if (i365_get(sock, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) {
955 if (reg & I365_VCC_5V) state->Vcc = 33;
956 if (vpp == I365_VPP1_5V) state->Vpp = 33;
958 if (reg & I365_VCC_5V) state->Vcc = 50;
959 if (vpp == I365_VPP1_5V) state->Vpp = 50;
961 if (vpp == I365_VPP1_12V) state->Vpp = 120;
962 } else if (t->flags & IS_VG_PWR) {
963 if (i365_get(sock, VG469_VSELECT) & VG469_VSEL_VCC) {
964 if (reg & I365_VCC_5V) state->Vcc = 33;
965 if (vpp == I365_VPP1_5V) state->Vpp = 33;
967 if (reg & I365_VCC_5V) state->Vcc = 50;
968 if (vpp == I365_VPP1_5V) state->Vpp = 50;
970 if (vpp == I365_VPP1_12V) state->Vpp = 120;
971 } else if (t->flags & IS_DF_PWR) {
972 if (vcc == I365_VCC_3V) state->Vcc = 33;
973 if (vcc == I365_VCC_5V) state->Vcc = 50;
974 if (vpp == I365_VPP1_5V) state->Vpp = 50;
975 if (vpp == I365_VPP1_12V) state->Vpp = 120;
977 if (reg & I365_VCC_5V) {
979 if (vpp == I365_VPP1_5V) state->Vpp = 50;
980 if (vpp == I365_VPP1_12V) state->Vpp = 120;
984 /* IO card, RESET flags, IO interrupt */
985 reg = i365_get(sock, I365_INTCTL);
986 state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET;
987 if (reg & I365_PC_IOCARD) state->flags |= SS_IOCARD;
988 state->io_irq = reg & I365_IRQ_MASK;
990 /* speaker control */
991 if (t->flags & IS_CIRRUS) {
992 if (i365_get(sock, PD67_MISC_CTL_1) & PD67_MC1_SPKR_ENA)
993 state->flags |= SS_SPKR_ENA;
996 /* Card status change mask */
997 reg = i365_get(sock, I365_CSCINT);
998 state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0;
999 if (state->flags & SS_IOCARD)
1000 state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0;
1002 state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0;
1003 state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0;
1004 state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0;
1007 debug(1, "GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, "
1008 "io_irq %d, csc_mask %#2.2x\n", sock, state->flags,
1009 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
1011 } /* i365_get_socket */
1013 /*====================================================================*/
1015 static int i365_set_socket(u_short sock, socket_state_t *state)
1017 struct i82365_socket *t = &socket[sock];
1020 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
1021 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
1022 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
1024 /* First set global controller options */
1025 set_bridge_state(sock);
1027 /* IO card, RESET flag, IO interrupt */
1029 reg |= state->io_irq;
1030 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
1031 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
1032 i365_set(sock, I365_INTCTL, reg);
1034 reg = I365_PWR_NORESET;
1035 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
1036 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
1038 if (t->flags & IS_CIRRUS) {
1039 if (state->Vpp != 0) {
1040 if (state->Vpp == 120)
1041 reg |= I365_VPP1_12V;
1042 else if (state->Vpp == state->Vcc)
1043 reg |= I365_VPP1_5V;
1044 else return -EINVAL;
1046 if (state->Vcc != 0) {
1048 if (state->Vcc == 33)
1049 i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
1050 else if (state->Vcc == 50)
1051 i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
1052 else return -EINVAL;
1054 } else if (t->flags & IS_VG_PWR) {
1055 if (state->Vpp != 0) {
1056 if (state->Vpp == 120)
1057 reg |= I365_VPP1_12V;
1058 else if (state->Vpp == state->Vcc)
1059 reg |= I365_VPP1_5V;
1060 else return -EINVAL;
1062 if (state->Vcc != 0) {
1064 if (state->Vcc == 33)
1065 i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
1066 else if (state->Vcc == 50)
1067 i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
1068 else return -EINVAL;
1070 } else if (t->flags & IS_DF_PWR) {
1071 switch (state->Vcc) {
1073 case 33: reg |= I365_VCC_3V; break;
1074 case 50: reg |= I365_VCC_5V; break;
1075 default: return -EINVAL;
1077 switch (state->Vpp) {
1079 case 50: reg |= I365_VPP1_5V; break;
1080 case 120: reg |= I365_VPP1_12V; break;
1081 default: return -EINVAL;
1084 switch (state->Vcc) {
1086 case 50: reg |= I365_VCC_5V; break;
1087 default: return -EINVAL;
1089 switch (state->Vpp) {
1091 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
1092 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1093 default: return -EINVAL;
1097 if (reg != i365_get(sock, I365_POWER))
1098 i365_set(sock, I365_POWER, reg);
1100 /* Chipset-specific functions */
1101 if (t->flags & IS_CIRRUS) {
1102 /* Speaker control */
1103 i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1104 state->flags & SS_SPKR_ENA);
1107 /* Card status change interrupt mask */
1108 reg = t->cs_irq << 4;
1109 if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1110 if (state->flags & SS_IOCARD) {
1111 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1113 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1114 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1115 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1117 i365_set(sock, I365_CSCINT, reg);
1118 i365_get(sock, I365_CSC);
1121 } /* i365_set_socket */
1123 /*====================================================================*/
1125 static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1129 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
1130 "%#lx-%#lx)\n", sock, io->map, io->flags,
1131 io->speed, io->start, io->stop);
1133 if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1134 (io->stop < io->start)) return -EINVAL;
1135 /* Turn off the window before changing anything */
1136 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1137 i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1138 i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1139 i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1140 ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1141 if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1142 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1143 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1144 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1145 i365_set(sock, I365_IOCTL, ioctl);
1146 /* Turn on the window if necessary */
1147 if (io->flags & MAP_ACTIVE)
1148 i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1150 } /* i365_set_io_map */
1152 /*====================================================================*/
1154 static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1159 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#lx-%#lx, "
1160 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1161 mem->res->start, mem->res->end, mem->card_start);
1164 if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1165 (mem->res->start > mem->res->end) || (mem->speed > 1000))
1167 if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1170 /* Turn off the window before changing anything */
1171 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1172 i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1174 base = I365_MEM(map);
1175 i = (mem->res->start >> 12) & 0x0fff;
1176 if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1177 if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1178 i365_set_pair(sock, base+I365_W_START, i);
1180 i = (mem->res->end >> 12) & 0x0fff;
1181 switch (to_cycles(mem->speed)) {
1183 case 1: i |= I365_MEM_WS0; break;
1184 case 2: i |= I365_MEM_WS1; break;
1185 default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1187 i365_set_pair(sock, base+I365_W_STOP, i);
1189 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1190 if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1191 if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1192 i365_set_pair(sock, base+I365_W_OFF, i);
1194 /* Turn on the window if necessary */
1195 if (mem->flags & MAP_ACTIVE)
1196 i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1198 } /* i365_set_mem_map */
1200 #if 0 /* driver model ordering issue */
1201 /*======================================================================
1203 Routines for accessing socket information and register dumps via
1204 /sys/class/pcmcia_socket/...
1206 ======================================================================*/
1208 static ssize_t show_info(struct class_device *class_dev, char *buf)
1210 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1211 return sprintf(buf, "type: %s\npsock: %d\n",
1212 pcic[s->type].name, s->psock);
1215 static ssize_t show_exca(struct class_device *class_dev, char *buf)
1217 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1218 unsigned short sock;
1221 unsigned long flags = 0;
1225 ISA_LOCK(sock, flags);
1226 for (i = 0; i < 0x40; i += 4) {
1227 ret += sprintf(buf, "%02x %02x %02x %02x%s",
1228 i365_get(sock,i), i365_get(sock,i+1),
1229 i365_get(sock,i+2), i365_get(sock,i+3),
1230 ((i % 16) == 12) ? "\n" : " ");
1233 ISA_UNLOCK(sock, flags);
1238 static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1239 static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1242 /*====================================================================*/
1244 /* this is horribly ugly... proper locking needs to be done here at
1246 #define LOCKED(x) do { \
1248 unsigned long flags; \
1249 spin_lock_irqsave(&isa_lock, flags); \
1251 spin_unlock_irqrestore(&isa_lock, flags); \
1256 static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1258 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1260 if (socket[sock].flags & IS_ALIVE) {
1265 LOCKED(i365_get_status(sock, value));
1268 static int pcic_get_socket(struct pcmcia_socket *s, socket_state_t *state)
1270 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1272 if (socket[sock].flags & IS_ALIVE)
1275 LOCKED(i365_get_socket(sock, state));
1278 static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1280 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1282 if (socket[sock].flags & IS_ALIVE)
1285 LOCKED(i365_set_socket(sock, state));
1288 static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1290 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1291 if (socket[sock].flags & IS_ALIVE)
1294 LOCKED(i365_set_io_map(sock, io));
1297 static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1299 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1300 if (socket[sock].flags & IS_ALIVE)
1303 LOCKED(i365_set_mem_map(sock, mem));
1306 static int pcic_init(struct pcmcia_socket *s)
1309 struct resource res = { .start = 0, .end = 0x1000 };
1310 pccard_io_map io = { 0, 0, 0, 0, 1 };
1311 pccard_mem_map mem = { .res = &res, };
1313 for (i = 0; i < 2; i++) {
1315 pcic_set_io_map(s, &io);
1317 for (i = 0; i < 5; i++) {
1319 pcic_set_mem_map(s, &mem);
1324 static struct pccard_operations pcic_operations = {
1326 .get_status = pcic_get_status,
1327 .get_socket = pcic_get_socket,
1328 .set_socket = pcic_set_socket,
1329 .set_io_map = pcic_set_io_map,
1330 .set_mem_map = pcic_set_mem_map,
1333 /*====================================================================*/
1335 static struct device_driver i82365_driver = {
1337 .bus = &platform_bus_type,
1338 .suspend = pcmcia_socket_dev_suspend,
1339 .resume = pcmcia_socket_dev_resume,
1342 static struct platform_device *i82365_device;
1344 static int __init init_i82365(void)
1348 ret = driver_register(&i82365_driver);
1352 i82365_device = platform_device_alloc("i82365", 0);
1353 if (i82365_device) {
1354 ret = platform_device_add(i82365_device);
1356 platform_device_put(i82365_device);
1361 driver_unregister(&i82365_driver);
1365 printk(KERN_INFO "Intel ISA PCIC probe: ");
1371 printk("not found.\n");
1372 platform_device_unregister(i82365_device);
1373 release_region(i365_base, 2);
1374 driver_unregister(&i82365_driver);
1378 /* Set up interrupt handler(s) */
1380 request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1382 /* register sockets with the pcmcia core */
1383 for (i = 0; i < sockets; i++) {
1384 socket[i].socket.dev.dev = &i82365_device->dev;
1385 socket[i].socket.ops = &pcic_operations;
1386 socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1387 socket[i].socket.owner = THIS_MODULE;
1388 socket[i].number = i;
1389 ret = pcmcia_register_socket(&socket[i].socket);
1391 socket[i].flags |= IS_REGISTERED;
1393 #if 0 /* driver model ordering issue */
1394 class_device_create_file(&socket[i].socket.dev,
1395 &class_device_attr_info);
1396 class_device_create_file(&socket[i].socket.dev,
1397 &class_device_attr_exca);
1401 /* Finally, schedule a polling interrupt */
1402 if (poll_interval != 0) {
1403 poll_timer.function = pcic_interrupt_wrapper;
1404 poll_timer.data = 0;
1405 init_timer(&poll_timer);
1406 poll_timer.expires = jiffies + poll_interval;
1407 add_timer(&poll_timer);
1414 static void __exit exit_i82365(void)
1418 for (i = 0; i < sockets; i++) {
1419 if (socket[i].flags & IS_REGISTERED)
1420 pcmcia_unregister_socket(&socket[i].socket);
1422 platform_device_unregister(i82365_device);
1423 if (poll_interval != 0)
1424 del_timer_sync(&poll_timer);
1426 free_irq(cs_irq, pcic_interrupt);
1427 for (i = 0; i < sockets; i++) {
1428 /* Turn off all interrupt sources! */
1429 i365_set(i, I365_CSCINT, 0);
1430 release_region(socket[i].ioaddr, 2);
1432 release_region(i365_base, 2);
1435 pnp_disable_dev(i82365_pnpdev);
1437 driver_unregister(&i82365_driver);
1440 module_init(init_i82365);
1441 module_exit(exit_i82365);
1442 MODULE_LICENSE("Dual MPL/GPL");
1443 /*====================================================================*/