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/sched.h>
44 #include <linux/slab.h>
45 #include <linux/ioport.h>
46 #include <linux/delay.h>
47 #include <linux/workqueue.h>
48 #include <linux/interrupt.h>
49 #include <linux/platform_device.h>
50 #include <linux/bitops.h>
53 #include <asm/system.h>
55 #include <pcmcia/cs_types.h>
56 #include <pcmcia/ss.h>
57 #include <pcmcia/cs.h>
59 #include <linux/isapnp.h>
61 /* ISA-bus controllers */
68 static const char version[] =
69 "i82365.c 1.265 1999/11/10 18:36:21 (David Hinds)";
73 module_param(pc_debug, int, 0644);
75 #define debug(lvl, fmt, arg...) do { \
76 if (pc_debug > (lvl)) \
77 printk(KERN_DEBUG "i82365: " fmt , ## arg); \
80 #define debug(lvl, fmt, arg...) do { } while (0)
83 static irqreturn_t i365_count_irq(int, void *, struct pt_regs *);
84 static inline int _check_irq(int irq, int flags)
86 if (request_irq(irq, i365_count_irq, flags, "x", i365_count_irq) != 0)
88 free_irq(irq, i365_count_irq);
92 /*====================================================================*/
94 /* Parameters that can be set with 'insmod' */
96 /* Default base address for i82365sl and other ISA chips */
97 static unsigned long i365_base = 0x3e0;
98 /* Should we probe at 0x3e2 for an extra ISA controller? */
99 static int extra_sockets = 0;
100 /* Specify a socket number to ignore */
101 static int ignore = -1;
102 /* Bit map or list of interrupts to choose from */
103 static u_int irq_mask = 0xffff;
104 static int irq_list[16];
105 static int irq_list_count;
106 /* The card status change interrupt -- 0 means autoselect */
107 static int cs_irq = 0;
109 /* Probe for safe interrupts? */
110 static int do_scan = 1;
111 /* Poll status interval -- 0 means default to interrupt */
112 static int poll_interval = 0;
113 /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */
114 static int cycle_time = 120;
117 static int has_dma = -1;
118 static int has_led = -1;
119 static int has_ring = -1;
120 static int dynamic_mode = 0;
121 static int freq_bypass = -1;
122 static int setup_time = -1;
123 static int cmd_time = -1;
124 static int recov_time = -1;
127 static int async_clock = -1;
128 static int cable_mode = -1;
129 static int wakeup = 0;
131 module_param(i365_base, ulong, 0444);
132 module_param(ignore, int, 0444);
133 module_param(extra_sockets, int, 0444);
134 module_param(irq_mask, int, 0444);
135 module_param_array(irq_list, int, &irq_list_count, 0444);
136 module_param(cs_irq, int, 0444);
137 module_param(async_clock, int, 0444);
138 module_param(cable_mode, int, 0444);
139 module_param(wakeup, int, 0444);
141 module_param(do_scan, int, 0444);
142 module_param(poll_interval, int, 0444);
143 module_param(cycle_time, int, 0444);
144 module_param(has_dma, int, 0444);
145 module_param(has_led, int, 0444);
146 module_param(has_ring, int, 0444);
147 module_param(dynamic_mode, int, 0444);
148 module_param(freq_bypass, int, 0444);
149 module_param(setup_time, int, 0444);
150 module_param(cmd_time, int, 0444);
151 module_param(recov_time, int, 0444);
153 /*====================================================================*/
155 typedef struct cirrus_state_t {
160 typedef struct vg46x_state_t {
164 struct i82365_socket {
166 struct pcmcia_socket socket;
172 cirrus_state_t cirrus;
177 /* Where we keep track of our sockets... */
178 static int sockets = 0;
179 static struct i82365_socket socket[8] = {
183 /* Default ISA interrupt mask */
184 #define I365_MASK 0xdeb8 /* irq 15,14,12,11,10,9,7,5,4,3 */
187 static DEFINE_SPINLOCK(isa_lock);
188 #define ISA_LOCK(n, f) spin_lock_irqsave(&isa_lock, f)
189 #define ISA_UNLOCK(n, f) spin_unlock_irqrestore(&isa_lock, f)
191 static struct timer_list poll_timer;
193 /*====================================================================*/
195 /* These definitions must match the pcic table! */
196 typedef enum pcic_id {
197 IS_I82365A, IS_I82365B, IS_I82365DF,
198 IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469,
199 IS_PD6710, IS_PD672X, IS_VT83C469,
202 /* Flags for classifying groups of controllers */
203 #define IS_VADEM 0x0001
204 #define IS_CIRRUS 0x0002
205 #define IS_VIA 0x0010
206 #define IS_UNKNOWN 0x0400
207 #define IS_VG_PWR 0x0800
208 #define IS_DF_PWR 0x1000
209 #define IS_REGISTERED 0x2000
210 #define IS_ALIVE 0x8000
212 typedef struct pcic_t {
217 static pcic_t pcic[] = {
218 { "Intel i82365sl A step", 0 },
219 { "Intel i82365sl B step", 0 },
220 { "Intel i82365sl DF", IS_DF_PWR },
222 { "Ricoh RF5C296/396", 0 },
223 { "VLSI 82C146", 0 },
224 { "Vadem VG-468", IS_VADEM },
225 { "Vadem VG-469", IS_VADEM|IS_VG_PWR },
226 { "Cirrus PD6710", IS_CIRRUS },
227 { "Cirrus PD672x", IS_CIRRUS },
228 { "VIA VT83C469", IS_CIRRUS|IS_VIA },
231 #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t))
233 /*====================================================================*/
235 static DEFINE_SPINLOCK(bus_lock);
237 static u_char i365_get(u_short sock, u_short reg)
240 spin_lock_irqsave(&bus_lock,flags);
242 kio_addr_t port = socket[sock].ioaddr;
244 reg = I365_REG(socket[sock].psock, reg);
245 outb(reg, port); val = inb(port+1);
246 spin_unlock_irqrestore(&bus_lock,flags);
251 static void i365_set(u_short sock, u_short reg, u_char data)
254 spin_lock_irqsave(&bus_lock,flags);
256 kio_addr_t port = socket[sock].ioaddr;
257 u_char val = I365_REG(socket[sock].psock, reg);
258 outb(val, port); outb(data, port+1);
259 spin_unlock_irqrestore(&bus_lock,flags);
263 static void i365_bset(u_short sock, u_short reg, u_char mask)
265 u_char d = i365_get(sock, reg);
267 i365_set(sock, reg, d);
270 static void i365_bclr(u_short sock, u_short reg, u_char mask)
272 u_char d = i365_get(sock, reg);
274 i365_set(sock, reg, d);
277 static void i365_bflip(u_short sock, u_short reg, u_char mask, int b)
279 u_char d = i365_get(sock, reg);
284 i365_set(sock, reg, d);
287 static u_short i365_get_pair(u_short sock, u_short reg)
290 a = i365_get(sock, reg);
291 b = i365_get(sock, reg+1);
295 static void i365_set_pair(u_short sock, u_short reg, u_short data)
297 i365_set(sock, reg, data & 0xff);
298 i365_set(sock, reg+1, data >> 8);
301 /*======================================================================
303 Code to save and restore global state information for Cirrus
304 PD67xx controllers, and to set and report global configuration
307 The VIA controllers also use these routines, as they are mostly
308 Cirrus lookalikes, without the timing registers.
310 ======================================================================*/
312 #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b))))
314 static void cirrus_get_state(u_short s)
317 cirrus_state_t *p = &socket[s].state.cirrus;
318 p->misc1 = i365_get(s, PD67_MISC_CTL_1);
319 p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
320 p->misc2 = i365_get(s, PD67_MISC_CTL_2);
321 for (i = 0; i < 6; i++)
322 p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i);
325 static void cirrus_set_state(u_short s)
329 cirrus_state_t *p = &socket[s].state.cirrus;
331 misc = i365_get(s, PD67_MISC_CTL_2);
332 i365_set(s, PD67_MISC_CTL_2, p->misc2);
333 if (misc & PD67_MC2_SUSPEND) mdelay(50);
334 misc = i365_get(s, PD67_MISC_CTL_1);
335 misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA);
336 i365_set(s, PD67_MISC_CTL_1, misc | p->misc1);
337 for (i = 0; i < 6; i++)
338 i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]);
341 static u_int __init cirrus_set_opts(u_short s, char *buf)
343 struct i82365_socket *t = &socket[s];
344 cirrus_state_t *p = &socket[s].state.cirrus;
347 if (has_ring == -1) has_ring = 1;
348 flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring);
349 flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode);
350 flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass);
351 if (p->misc2 & PD67_MC2_IRQ15_RI)
352 strcat(buf, " [ring]");
353 if (p->misc2 & PD67_MC2_DYNAMIC_MODE)
354 strcat(buf, " [dyn mode]");
355 if (p->misc2 & PD67_MC2_FREQ_BYPASS)
356 strcat(buf, " [freq bypass]");
357 if (p->misc1 & PD67_MC1_INPACK_ENA)
358 strcat(buf, " [inpack]");
359 if (p->misc2 & PD67_MC2_IRQ15_RI)
362 strcat(buf, " [led]");
366 strcat(buf, " [dma]");
369 if (!(t->flags & IS_VIA)) {
371 p->timer[0] = p->timer[3] = setup_time;
373 p->timer[1] = cmd_time;
374 p->timer[4] = cmd_time*2+4;
376 if (p->timer[1] == 0) {
377 p->timer[1] = 6; p->timer[4] = 16;
378 if (p->timer[0] == 0)
379 p->timer[0] = p->timer[3] = 1;
382 p->timer[2] = p->timer[5] = recov_time;
384 sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1],
385 p->timer[2], p->timer[3], p->timer[4], p->timer[5]);
390 /*======================================================================
392 Code to save and restore global state information for Vadem VG468
393 and VG469 controllers, and to set and report global configuration
396 ======================================================================*/
398 static void vg46x_get_state(u_short s)
400 vg46x_state_t *p = &socket[s].state.vg46x;
401 p->ctl = i365_get(s, VG468_CTL);
402 if (socket[s].type == IS_VG469)
403 p->ema = i365_get(s, VG469_EXT_MODE);
406 static void vg46x_set_state(u_short s)
408 vg46x_state_t *p = &socket[s].state.vg46x;
409 i365_set(s, VG468_CTL, p->ctl);
410 if (socket[s].type == IS_VG469)
411 i365_set(s, VG469_EXT_MODE, p->ema);
414 static u_int __init vg46x_set_opts(u_short s, char *buf)
416 vg46x_state_t *p = &socket[s].state.vg46x;
418 flip(p->ctl, VG468_CTL_ASYNC, async_clock);
419 flip(p->ema, VG469_MODE_CABLE, cable_mode);
420 if (p->ctl & VG468_CTL_ASYNC)
421 strcat(buf, " [async]");
422 if (p->ctl & VG468_CTL_INPACK)
423 strcat(buf, " [inpack]");
424 if (socket[s].type == IS_VG469) {
425 u_char vsel = i365_get(s, VG469_VSELECT);
426 if (vsel & VG469_VSEL_EXT_STAT) {
427 strcat(buf, " [ext mode]");
428 if (vsel & VG469_VSEL_EXT_BUS)
429 strcat(buf, " [isa buf]");
431 if (p->ema & VG469_MODE_CABLE)
432 strcat(buf, " [cable]");
433 if (p->ema & VG469_MODE_COMPAT)
434 strcat(buf, " [c step]");
439 /*======================================================================
441 Generic routines to get and set controller options
443 ======================================================================*/
445 static void get_bridge_state(u_short s)
447 struct i82365_socket *t = &socket[s];
448 if (t->flags & IS_CIRRUS)
450 else if (t->flags & IS_VADEM)
454 static void set_bridge_state(u_short s)
456 struct i82365_socket *t = &socket[s];
457 if (t->flags & IS_CIRRUS)
460 i365_set(s, I365_GBLCTL, 0x00);
461 i365_set(s, I365_GENCTL, 0x00);
463 i365_bflip(s, I365_INTCTL, I365_INTR_ENA, t->intr);
464 if (t->flags & IS_VADEM)
468 static u_int __init set_bridge_opts(u_short s, u_short ns)
474 for (i = s; i < s+ns; i++) {
475 if (socket[i].flags & IS_ALIVE) {
476 printk(KERN_INFO " host opts [%d]: already alive!\n", i);
481 if (socket[i].flags & IS_CIRRUS)
482 m = cirrus_set_opts(i, buf);
483 else if (socket[i].flags & IS_VADEM)
484 m = vg46x_set_opts(i, buf);
486 printk(KERN_INFO " host opts [%d]:%s\n", i,
487 (*buf) ? buf : " none");
492 /*======================================================================
494 Interrupt testing code, for ISA and PCI interrupts
496 ======================================================================*/
498 static volatile u_int irq_hits;
499 static u_short irq_sock;
501 static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
503 i365_get(irq_sock, I365_CSC);
505 debug(2, "-> hit on irq %d\n", irq);
509 static u_int __init test_irq(u_short sock, int irq)
511 debug(2, " testing ISA irq %d\n", irq);
512 if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0)
514 irq_hits = 0; irq_sock = sock;
517 free_irq(irq, i365_count_irq);
518 debug(2, " spurious hit!\n");
522 /* Generate one interrupt */
523 i365_set(sock, I365_CSCINT, I365_CSC_DETECT | (irq << 4));
524 i365_bset(sock, I365_GENCTL, I365_CTL_SW_IRQ);
527 free_irq(irq, i365_count_irq);
529 /* mask all interrupts */
530 i365_set(sock, I365_CSCINT, 0);
531 debug(2, " hits = %d\n", irq_hits);
533 return (irq_hits != 1);
536 static u_int __init isa_scan(u_short sock, u_int mask0)
543 /* Don't probe level-triggered interrupts -- reserved for PCI */
544 mask0 &= ~(inb(PIC) | (inb(PIC+1) << 8));
548 set_bridge_state(sock);
549 i365_set(sock, I365_CSCINT, 0);
550 for (i = 0; i < 16; i++)
551 if ((mask0 & (1 << i)) && (test_irq(sock, i) == 0))
553 for (i = 0; i < 16; i++)
554 if ((mask1 & (1 << i)) && (test_irq(sock, i) != 0))
558 printk(KERN_INFO " ISA irqs (");
562 /* Fallback: just find interrupts that aren't in use */
563 for (i = 0; i < 16; i++)
564 if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0))
567 /* If scan failed, default to polled status */
568 if (!cs_irq && (poll_interval == 0)) poll_interval = HZ;
572 for (i = 0; i < 16; i++)
574 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
575 if (mask1 == 0) printk("none!");
580 /*====================================================================*/
582 /* Time conversion functions */
584 static int to_cycles(int ns)
586 return ns/cycle_time;
589 /*====================================================================*/
591 static int __init identify(kio_addr_t port, u_short sock)
596 /* Use the next free entry in the socket table */
597 socket[sockets].ioaddr = port;
598 socket[sockets].psock = sock;
600 /* Wake up a sleepy Cirrus controller */
602 i365_bclr(sockets, PD67_MISC_CTL_2, PD67_MC2_SUSPEND);
603 /* Pause at least 50 ms */
607 if ((val = i365_get(sockets, I365_IDENT)) & 0x70)
611 type = IS_I82365A; break;
613 type = IS_I82365B; break;
615 type = IS_I82365DF; break;
616 case 0x88: case 0x89: case 0x8a:
617 type = IS_IBM; break;
620 /* Check for Vadem VG-468 chips */
623 i365_bset(sockets, VG468_MISC, VG468_MISC_VADEMREV);
624 val = i365_get(sockets, I365_IDENT);
625 if (val & I365_IDENT_VADEM) {
626 i365_bclr(sockets, VG468_MISC, VG468_MISC_VADEMREV);
627 type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468;
630 /* Check for Ricoh chips */
631 val = i365_get(sockets, RF5C_CHIP_ID);
632 if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396))
635 /* Check for Cirrus CL-PD67xx chips */
636 i365_set(sockets, PD67_CHIP_INFO, 0);
637 val = i365_get(sockets, PD67_CHIP_INFO);
638 if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) {
639 val = i365_get(sockets, PD67_CHIP_INFO);
640 if ((val & PD67_INFO_CHIP_ID) == 0) {
641 type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710;
642 i365_set(sockets, PD67_EXT_INDEX, 0xe5);
643 if (i365_get(sockets, PD67_EXT_INDEX) != 0xe5)
650 /*======================================================================
652 See if a card is present, powered up, in IO mode, and already
653 bound to a (non PC Card) Linux driver. We leave these alone.
655 We make an exception for cards that seem to be serial devices.
657 ======================================================================*/
659 static int __init is_alive(u_short sock)
662 kio_addr_t start, stop;
664 stat = i365_get(sock, I365_STATUS);
665 start = i365_get_pair(sock, I365_IO(0)+I365_W_START);
666 stop = i365_get_pair(sock, I365_IO(0)+I365_W_STOP);
667 if ((stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) &&
668 (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD) &&
669 (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(0)) &&
670 ((start & 0xfeef) != 0x02e8)) {
671 if (!request_region(start, stop-start+1, "i82365"))
673 release_region(start, stop-start+1);
679 /*====================================================================*/
681 static void __init add_socket(kio_addr_t port, int psock, int type)
683 socket[sockets].ioaddr = port;
684 socket[sockets].psock = psock;
685 socket[sockets].type = type;
686 socket[sockets].flags = pcic[type].flags;
687 if (is_alive(sockets))
688 socket[sockets].flags |= IS_ALIVE;
692 static void __init add_pcic(int ns, int type)
694 u_int mask = 0, i, base;
696 struct i82365_socket *t = &socket[sockets-ns];
699 if (base == 0) printk("\n");
700 printk(KERN_INFO " %s", pcic[type].name);
701 printk(" ISA-to-PCMCIA at port %#lx ofs 0x%02x",
702 t->ioaddr, t->psock*0x40);
703 printk(", %d socket%s\n", ns, ((ns > 1) ? "s" : ""));
705 /* Set host options, build basic interrupt mask */
706 if (irq_list_count == 0)
709 for (i = mask = 0; i < irq_list_count; i++)
710 mask |= (1<<irq_list[i]);
711 mask &= I365_MASK & set_bridge_opts(base, ns);
712 /* Scan for ISA interrupts */
713 mask = isa_scan(base, mask);
715 /* Poll if only two interrupts available */
716 if (!poll_interval) {
717 u_int tmp = (mask & 0xff20);
719 if ((tmp & (tmp-1)) == 0)
722 /* Only try an ISA cs_irq if this is the first controller */
723 if (!grab_irq && (cs_irq || !poll_interval)) {
724 /* Avoid irq 12 unless it is explicitly requested */
725 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
726 for (cs_irq = 15; cs_irq > 0; cs_irq--)
727 if ((cs_mask & (1 << cs_irq)) &&
728 (_check_irq(cs_irq, 0) == 0))
733 printk(" status change on irq %d\n", cs_irq);
738 if (poll_interval == 0)
740 printk(" polling interval = %d ms\n",
741 poll_interval * 1000 / HZ);
745 /* Update socket interrupt information, capabilities */
746 for (i = 0; i < ns; i++) {
747 t[i].socket.features |= SS_CAP_PCCARD;
748 t[i].socket.map_size = 0x1000;
749 t[i].socket.irq_mask = mask;
750 t[i].cs_irq = isa_irq;
755 /*====================================================================*/
758 static struct isapnp_device_id id_table[] __initdata = {
759 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
760 ISAPNP_FUNCTION(0x0e00), (unsigned long) "Intel 82365-Compatible" },
761 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
762 ISAPNP_FUNCTION(0x0e01), (unsigned long) "Cirrus Logic CL-PD6720" },
763 { ISAPNP_ANY_ID, ISAPNP_ANY_ID, ISAPNP_VENDOR('P', 'N', 'P'),
764 ISAPNP_FUNCTION(0x0e02), (unsigned long) "VLSI VL82C146" },
767 MODULE_DEVICE_TABLE(isapnp, id_table);
769 static struct pnp_dev *i82365_pnpdev;
772 static void __init isa_probe(void)
774 int i, j, sock, k, ns, id;
777 struct isapnp_device_id *devid;
780 for (devid = id_table; devid->vendor; devid++) {
781 if ((dev = pnp_find_dev(NULL, devid->vendor, devid->function, NULL))) {
783 if (pnp_device_attach(dev) < 0)
786 if (pnp_activate_dev(dev) < 0) {
787 printk("activate failed\n");
788 pnp_device_detach(dev);
792 if (!pnp_port_valid(dev, 0)) {
793 printk("invalid resources ?\n");
794 pnp_device_detach(dev);
797 i365_base = pnp_port_start(dev, 0);
804 if (!request_region(i365_base, 2, "i82365")) {
806 printk("port conflict at %#lx\n", i365_base);
810 id = identify(i365_base, 0);
811 if ((id == IS_I82365DF) && (identify(i365_base, 1) != id)) {
812 for (i = 0; i < 4; i++) {
813 if (i == ignore) continue;
814 port = i365_base + ((i & 1) << 2) + ((i & 2) << 1);
816 if (identify(port, sock) == IS_I82365DF) {
817 add_socket(port, sock, IS_VLSI);
818 add_pcic(1, IS_VLSI);
822 for (i = 0; i < 8; i += 2) {
823 if (sockets && !extra_sockets && (i == 4))
825 port = i365_base + 2*(i>>2);
827 id = identify(port, sock);
828 if (id < 0) continue;
830 for (j = ns = 0; j < 2; j++) {
831 /* Does the socket exist? */
832 if ((ignore == i+j) || (identify(port, sock+j) < 0))
834 /* Check for bad socket decode */
835 for (k = 0; k <= sockets; k++)
836 i365_set(k, I365_MEM(0)+I365_W_OFF, k);
837 for (k = 0; k <= sockets; k++)
838 if (i365_get(k, I365_MEM(0)+I365_W_OFF) != k)
840 if (k <= sockets) break;
841 add_socket(port, sock+j, id); ns++;
843 if (ns != 0) add_pcic(ns, id);
848 /*====================================================================*/
850 static irqreturn_t pcic_interrupt(int irq, void *dev,
851 struct pt_regs *regs)
854 u_int events, active;
858 debug(4, "pcic_interrupt(%d)\n", irq);
860 for (j = 0; j < 20; j++) {
862 for (i = 0; i < sockets; i++) {
863 if (socket[i].cs_irq != irq)
867 csc = i365_get(i, I365_CSC);
868 if ((csc == 0) || (i365_get(i, I365_IDENT) & 0x70)) {
869 ISA_UNLOCK(i, flags);
872 events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
874 if (i365_get(i, I365_INTCTL) & I365_PC_IOCARD)
875 events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
877 events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
878 events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
879 events |= (csc & I365_CSC_READY) ? SS_READY : 0;
881 ISA_UNLOCK(i, flags);
882 debug(2, "socket %d event 0x%02x\n", i, events);
885 pcmcia_parse_events(&socket[i].socket, events);
892 printk(KERN_NOTICE "i82365: infinite loop in interrupt handler\n");
894 debug(4, "interrupt done\n");
895 return IRQ_RETVAL(handled);
896 } /* pcic_interrupt */
898 static void pcic_interrupt_wrapper(u_long data)
900 pcic_interrupt(0, NULL, NULL);
901 poll_timer.expires = jiffies + poll_interval;
902 add_timer(&poll_timer);
905 /*====================================================================*/
907 static int i365_get_status(u_short sock, u_int *value)
911 status = i365_get(sock, I365_STATUS);
912 *value = ((status & I365_CS_DETECT) == I365_CS_DETECT)
915 if (i365_get(sock, I365_INTCTL) & I365_PC_IOCARD)
916 *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
918 *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
919 *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
921 *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
922 *value |= (status & I365_CS_READY) ? SS_READY : 0;
923 *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
925 if (socket[sock].type == IS_VG469) {
926 status = i365_get(sock, VG469_VSENSE);
927 if (socket[sock].psock & 1) {
928 *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD;
929 *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD;
931 *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD;
932 *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD;
936 debug(1, "GetStatus(%d) = %#4.4x\n", sock, *value);
938 } /* i365_get_status */
940 /*====================================================================*/
942 static int i365_set_socket(u_short sock, socket_state_t *state)
944 struct i82365_socket *t = &socket[sock];
947 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
948 "io_irq %d, csc_mask %#2.2x)\n", sock, state->flags,
949 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
951 /* First set global controller options */
952 set_bridge_state(sock);
954 /* IO card, RESET flag, IO interrupt */
956 reg |= state->io_irq;
957 reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
958 reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
959 i365_set(sock, I365_INTCTL, reg);
961 reg = I365_PWR_NORESET;
962 if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO;
963 if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT;
965 if (t->flags & IS_CIRRUS) {
966 if (state->Vpp != 0) {
967 if (state->Vpp == 120)
968 reg |= I365_VPP1_12V;
969 else if (state->Vpp == state->Vcc)
973 if (state->Vcc != 0) {
975 if (state->Vcc == 33)
976 i365_bset(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
977 else if (state->Vcc == 50)
978 i365_bclr(sock, PD67_MISC_CTL_1, PD67_MC1_VCC_3V);
981 } else if (t->flags & IS_VG_PWR) {
982 if (state->Vpp != 0) {
983 if (state->Vpp == 120)
984 reg |= I365_VPP1_12V;
985 else if (state->Vpp == state->Vcc)
989 if (state->Vcc != 0) {
991 if (state->Vcc == 33)
992 i365_bset(sock, VG469_VSELECT, VG469_VSEL_VCC);
993 else if (state->Vcc == 50)
994 i365_bclr(sock, VG469_VSELECT, VG469_VSEL_VCC);
997 } else if (t->flags & IS_DF_PWR) {
998 switch (state->Vcc) {
1000 case 33: reg |= I365_VCC_3V; break;
1001 case 50: reg |= I365_VCC_5V; break;
1002 default: return -EINVAL;
1004 switch (state->Vpp) {
1006 case 50: reg |= I365_VPP1_5V; break;
1007 case 120: reg |= I365_VPP1_12V; break;
1008 default: return -EINVAL;
1011 switch (state->Vcc) {
1013 case 50: reg |= I365_VCC_5V; break;
1014 default: return -EINVAL;
1016 switch (state->Vpp) {
1018 case 50: reg |= I365_VPP1_5V | I365_VPP2_5V; break;
1019 case 120: reg |= I365_VPP1_12V | I365_VPP2_12V; break;
1020 default: return -EINVAL;
1024 if (reg != i365_get(sock, I365_POWER))
1025 i365_set(sock, I365_POWER, reg);
1027 /* Chipset-specific functions */
1028 if (t->flags & IS_CIRRUS) {
1029 /* Speaker control */
1030 i365_bflip(sock, PD67_MISC_CTL_1, PD67_MC1_SPKR_ENA,
1031 state->flags & SS_SPKR_ENA);
1034 /* Card status change interrupt mask */
1035 reg = t->cs_irq << 4;
1036 if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT;
1037 if (state->flags & SS_IOCARD) {
1038 if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG;
1040 if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1;
1041 if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2;
1042 if (state->csc_mask & SS_READY) reg |= I365_CSC_READY;
1044 i365_set(sock, I365_CSCINT, reg);
1045 i365_get(sock, I365_CSC);
1048 } /* i365_set_socket */
1050 /*====================================================================*/
1052 static int i365_set_io_map(u_short sock, struct pccard_io_map *io)
1056 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
1057 "%#lx-%#lx)\n", sock, io->map, io->flags,
1058 io->speed, io->start, io->stop);
1060 if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
1061 (io->stop < io->start)) return -EINVAL;
1062 /* Turn off the window before changing anything */
1063 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_IO(map))
1064 i365_bclr(sock, I365_ADDRWIN, I365_ENA_IO(map));
1065 i365_set_pair(sock, I365_IO(map)+I365_W_START, io->start);
1066 i365_set_pair(sock, I365_IO(map)+I365_W_STOP, io->stop);
1067 ioctl = i365_get(sock, I365_IOCTL) & ~I365_IOCTL_MASK(map);
1068 if (io->speed) ioctl |= I365_IOCTL_WAIT(map);
1069 if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
1070 if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
1071 if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
1072 i365_set(sock, I365_IOCTL, ioctl);
1073 /* Turn on the window if necessary */
1074 if (io->flags & MAP_ACTIVE)
1075 i365_bset(sock, I365_ADDRWIN, I365_ENA_IO(map));
1077 } /* i365_set_io_map */
1079 /*====================================================================*/
1081 static int i365_set_mem_map(u_short sock, struct pccard_mem_map *mem)
1086 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, %#lx-%#lx, "
1087 "%#x)\n", sock, mem->map, mem->flags, mem->speed,
1088 mem->res->start, mem->res->end, mem->card_start);
1091 if ((map > 4) || (mem->card_start > 0x3ffffff) ||
1092 (mem->res->start > mem->res->end) || (mem->speed > 1000))
1094 if ((mem->res->start > 0xffffff) || (mem->res->end > 0xffffff))
1097 /* Turn off the window before changing anything */
1098 if (i365_get(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
1099 i365_bclr(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1101 base = I365_MEM(map);
1102 i = (mem->res->start >> 12) & 0x0fff;
1103 if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT;
1104 if (mem->flags & MAP_0WS) i |= I365_MEM_0WS;
1105 i365_set_pair(sock, base+I365_W_START, i);
1107 i = (mem->res->end >> 12) & 0x0fff;
1108 switch (to_cycles(mem->speed)) {
1110 case 1: i |= I365_MEM_WS0; break;
1111 case 2: i |= I365_MEM_WS1; break;
1112 default: i |= I365_MEM_WS1 | I365_MEM_WS0; break;
1114 i365_set_pair(sock, base+I365_W_STOP, i);
1116 i = ((mem->card_start - mem->res->start) >> 12) & 0x3fff;
1117 if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT;
1118 if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG;
1119 i365_set_pair(sock, base+I365_W_OFF, i);
1121 /* Turn on the window if necessary */
1122 if (mem->flags & MAP_ACTIVE)
1123 i365_bset(sock, I365_ADDRWIN, I365_ENA_MEM(map));
1125 } /* i365_set_mem_map */
1127 #if 0 /* driver model ordering issue */
1128 /*======================================================================
1130 Routines for accessing socket information and register dumps via
1131 /sys/class/pcmcia_socket/...
1133 ======================================================================*/
1135 static ssize_t show_info(struct class_device *class_dev, char *buf)
1137 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1138 return sprintf(buf, "type: %s\npsock: %d\n",
1139 pcic[s->type].name, s->psock);
1142 static ssize_t show_exca(struct class_device *class_dev, char *buf)
1144 struct i82365_socket *s = container_of(class_dev, struct i82365_socket, socket.dev);
1145 unsigned short sock;
1148 unsigned long flags = 0;
1152 ISA_LOCK(sock, flags);
1153 for (i = 0; i < 0x40; i += 4) {
1154 ret += sprintf(buf, "%02x %02x %02x %02x%s",
1155 i365_get(sock,i), i365_get(sock,i+1),
1156 i365_get(sock,i+2), i365_get(sock,i+3),
1157 ((i % 16) == 12) ? "\n" : " ");
1160 ISA_UNLOCK(sock, flags);
1165 static CLASS_DEVICE_ATTR(exca, S_IRUGO, show_exca, NULL);
1166 static CLASS_DEVICE_ATTR(info, S_IRUGO, show_info, NULL);
1169 /*====================================================================*/
1171 /* this is horribly ugly... proper locking needs to be done here at
1173 #define LOCKED(x) do { \
1175 unsigned long flags; \
1176 spin_lock_irqsave(&isa_lock, flags); \
1178 spin_unlock_irqrestore(&isa_lock, flags); \
1183 static int pcic_get_status(struct pcmcia_socket *s, u_int *value)
1185 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1187 if (socket[sock].flags & IS_ALIVE) {
1192 LOCKED(i365_get_status(sock, value));
1195 static int pcic_set_socket(struct pcmcia_socket *s, socket_state_t *state)
1197 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1199 if (socket[sock].flags & IS_ALIVE)
1202 LOCKED(i365_set_socket(sock, state));
1205 static int pcic_set_io_map(struct pcmcia_socket *s, struct pccard_io_map *io)
1207 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1208 if (socket[sock].flags & IS_ALIVE)
1211 LOCKED(i365_set_io_map(sock, io));
1214 static int pcic_set_mem_map(struct pcmcia_socket *s, struct pccard_mem_map *mem)
1216 unsigned int sock = container_of(s, struct i82365_socket, socket)->number;
1217 if (socket[sock].flags & IS_ALIVE)
1220 LOCKED(i365_set_mem_map(sock, mem));
1223 static int pcic_init(struct pcmcia_socket *s)
1226 struct resource res = { .start = 0, .end = 0x1000 };
1227 pccard_io_map io = { 0, 0, 0, 0, 1 };
1228 pccard_mem_map mem = { .res = &res, };
1230 for (i = 0; i < 2; i++) {
1232 pcic_set_io_map(s, &io);
1234 for (i = 0; i < 5; i++) {
1236 pcic_set_mem_map(s, &mem);
1241 static struct pccard_operations pcic_operations = {
1243 .get_status = pcic_get_status,
1244 .set_socket = pcic_set_socket,
1245 .set_io_map = pcic_set_io_map,
1246 .set_mem_map = pcic_set_mem_map,
1249 /*====================================================================*/
1251 static struct device_driver i82365_driver = {
1253 .bus = &platform_bus_type,
1254 .suspend = pcmcia_socket_dev_suspend,
1255 .resume = pcmcia_socket_dev_resume,
1258 static struct platform_device *i82365_device;
1260 static int __init init_i82365(void)
1264 ret = driver_register(&i82365_driver);
1268 i82365_device = platform_device_alloc("i82365", 0);
1269 if (i82365_device) {
1270 ret = platform_device_add(i82365_device);
1272 platform_device_put(i82365_device);
1277 driver_unregister(&i82365_driver);
1281 printk(KERN_INFO "Intel ISA PCIC probe: ");
1287 printk("not found.\n");
1288 platform_device_unregister(i82365_device);
1289 release_region(i365_base, 2);
1290 driver_unregister(&i82365_driver);
1294 /* Set up interrupt handler(s) */
1296 request_irq(cs_irq, pcic_interrupt, 0, "i82365", pcic_interrupt);
1298 /* register sockets with the pcmcia core */
1299 for (i = 0; i < sockets; i++) {
1300 socket[i].socket.dev.dev = &i82365_device->dev;
1301 socket[i].socket.ops = &pcic_operations;
1302 socket[i].socket.resource_ops = &pccard_nonstatic_ops;
1303 socket[i].socket.owner = THIS_MODULE;
1304 socket[i].number = i;
1305 ret = pcmcia_register_socket(&socket[i].socket);
1307 socket[i].flags |= IS_REGISTERED;
1309 #if 0 /* driver model ordering issue */
1310 class_device_create_file(&socket[i].socket.dev,
1311 &class_device_attr_info);
1312 class_device_create_file(&socket[i].socket.dev,
1313 &class_device_attr_exca);
1317 /* Finally, schedule a polling interrupt */
1318 if (poll_interval != 0) {
1319 poll_timer.function = pcic_interrupt_wrapper;
1320 poll_timer.data = 0;
1321 init_timer(&poll_timer);
1322 poll_timer.expires = jiffies + poll_interval;
1323 add_timer(&poll_timer);
1330 static void __exit exit_i82365(void)
1334 for (i = 0; i < sockets; i++) {
1335 if (socket[i].flags & IS_REGISTERED)
1336 pcmcia_unregister_socket(&socket[i].socket);
1338 platform_device_unregister(i82365_device);
1339 if (poll_interval != 0)
1340 del_timer_sync(&poll_timer);
1342 free_irq(cs_irq, pcic_interrupt);
1343 for (i = 0; i < sockets; i++) {
1344 /* Turn off all interrupt sources! */
1345 i365_set(i, I365_CSCINT, 0);
1346 release_region(socket[i].ioaddr, 2);
1348 release_region(i365_base, 2);
1351 pnp_disable_dev(i82365_pnpdev);
1353 driver_unregister(&i82365_driver);
1356 module_init(init_i82365);
1357 module_exit(exit_i82365);
1358 MODULE_LICENSE("Dual MPL/GPL");
1359 /*====================================================================*/