1 /*======================================================================
3 Device driver for Databook TCIC-2 PCMCIA controller
5 tcic.c 1.111 2000/02/15 04:13:12
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/errno.h>
41 #include <linux/interrupt.h>
42 #include <linux/slab.h>
43 #include <linux/timer.h>
44 #include <linux/ioport.h>
45 #include <linux/delay.h>
46 #include <linux/workqueue.h>
47 #include <linux/platform_device.h>
48 #include <linux/bitops.h>
51 #include <asm/system.h>
53 #include <pcmcia/cs_types.h>
54 #include <pcmcia/cs.h>
55 #include <pcmcia/ss.h>
61 module_param(pc_debug, int, 0644);
62 static const char version[] =
63 "tcic.c 1.111 2000/02/15 04:13:12 (David Hinds)";
65 #define debug(lvl, fmt, arg...) do { \
66 if (pc_debug > (lvl)) \
67 printk(KERN_DEBUG "tcic: " fmt , ## arg); \
70 #define debug(lvl, fmt, arg...) do { } while (0)
73 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
74 MODULE_DESCRIPTION("Databook TCIC-2 PCMCIA socket driver");
75 MODULE_LICENSE("Dual MPL/GPL");
77 /*====================================================================*/
79 /* Parameters that can be set with 'insmod' */
81 /* The base port address of the TCIC-2 chip */
82 static unsigned long tcic_base = TCIC_BASE;
84 /* Specify a socket number to ignore */
85 static int ignore = -1;
87 /* Probe for safe interrupts? */
88 static int do_scan = 1;
90 /* Bit map of interrupts to choose from */
91 static u_int irq_mask = 0xffff;
92 static int irq_list[16];
93 static int irq_list_count;
95 /* The card status change interrupt -- 0 means autoselect */
98 /* Poll status interval -- 0 means default to interrupt */
99 static int poll_interval;
101 /* Delay for card status double-checking */
102 static int poll_quick = HZ/20;
104 /* CCLK external clock time, in nanoseconds. 70 ns = 14.31818 MHz */
105 static int cycle_time = 70;
107 module_param(tcic_base, ulong, 0444);
108 module_param(ignore, int, 0444);
109 module_param(do_scan, int, 0444);
110 module_param(irq_mask, int, 0444);
111 module_param_array(irq_list, int, &irq_list_count, 0444);
112 module_param(cs_irq, int, 0444);
113 module_param(poll_interval, int, 0444);
114 module_param(poll_quick, int, 0444);
115 module_param(cycle_time, int, 0444);
117 /*====================================================================*/
119 static irqreturn_t tcic_interrupt(int irq, void *dev, struct pt_regs *regs);
120 static void tcic_timer(u_long data);
121 static struct pccard_operations tcic_operations;
127 struct pcmcia_socket socket;
130 static struct timer_list poll_timer;
131 static int tcic_timer_pending;
134 static struct tcic_socket socket_table[2];
136 /*====================================================================*/
138 /* Trick when selecting interrupts: the TCIC sktirq pin is supposed
139 to map to irq 11, but is coded as 0 or 1 in the irq registers. */
140 #define TCIC_IRQ(x) ((x) ? (((x) == 11) ? 1 : (x)) : 15)
143 static u_char tcic_getb(u_char reg)
145 u_char val = inb(tcic_base+reg);
146 printk(KERN_DEBUG "tcic_getb(%#lx) = %#x\n", tcic_base+reg, val);
150 static u_short tcic_getw(u_char reg)
152 u_short val = inw(tcic_base+reg);
153 printk(KERN_DEBUG "tcic_getw(%#lx) = %#x\n", tcic_base+reg, val);
157 static void tcic_setb(u_char reg, u_char data)
159 printk(KERN_DEBUG "tcic_setb(%#lx, %#x)\n", tcic_base+reg, data);
160 outb(data, tcic_base+reg);
163 static void tcic_setw(u_char reg, u_short data)
165 printk(KERN_DEBUG "tcic_setw(%#lx, %#x)\n", tcic_base+reg, data);
166 outw(data, tcic_base+reg);
169 #define tcic_getb(reg) inb(tcic_base+reg)
170 #define tcic_getw(reg) inw(tcic_base+reg)
171 #define tcic_setb(reg, data) outb(data, tcic_base+reg)
172 #define tcic_setw(reg, data) outw(data, tcic_base+reg)
175 static void tcic_setl(u_char reg, u_int data)
178 printk(KERN_DEBUG "tcic_setl(%#x, %#lx)\n", tcic_base+reg, data);
180 outw(data & 0xffff, tcic_base+reg);
181 outw(data >> 16, tcic_base+reg+2);
184 static void tcic_aux_setb(u_short reg, u_char data)
186 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
187 tcic_setb(TCIC_MODE, mode);
188 tcic_setb(TCIC_AUX, data);
191 static u_short tcic_aux_getw(u_short reg)
193 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
194 tcic_setb(TCIC_MODE, mode);
195 return tcic_getw(TCIC_AUX);
198 static void tcic_aux_setw(u_short reg, u_short data)
200 u_char mode = (tcic_getb(TCIC_MODE) & TCIC_MODE_PGMMASK) | reg;
201 tcic_setb(TCIC_MODE, mode);
202 tcic_setw(TCIC_AUX, data);
205 /*====================================================================*/
207 /* Time conversion functions */
209 static int to_cycles(int ns)
214 return 2*(ns-14)/cycle_time;
217 /*====================================================================*/
219 static volatile u_int irq_hits;
221 static irqreturn_t __init tcic_irq_count(int irq, void *dev, struct pt_regs *regs)
227 static u_int __init try_irq(int irq)
232 if (request_irq(irq, tcic_irq_count, 0, "irq scan", tcic_irq_count) != 0)
236 free_irq(irq, tcic_irq_count);
240 /* Generate one interrupt */
241 cfg = TCIC_SYSCFG_AUTOBUSY | 0x0a00;
242 tcic_aux_setw(TCIC_AUX_SYSCFG, cfg | TCIC_IRQ(irq));
243 tcic_setb(TCIC_IENA, TCIC_IENA_ERR | TCIC_IENA_CFG_HIGH);
244 tcic_setb(TCIC_ICSR, TCIC_ICSR_ERR | TCIC_ICSR_JAM);
247 free_irq(irq, tcic_irq_count);
249 /* Turn off interrupts */
250 tcic_setb(TCIC_IENA, TCIC_IENA_CFG_OFF);
251 while (tcic_getb(TCIC_ICSR))
252 tcic_setb(TCIC_ICSR, TCIC_ICSR_JAM);
253 tcic_aux_setw(TCIC_AUX_SYSCFG, cfg);
255 return (irq_hits != 1);
258 static u_int __init irq_scan(u_int mask0)
265 /* Don't probe level-triggered interrupts -- reserved for PCI */
266 int level_mask = inb_p(PIC) | (inb_p(PIC+1) << 8);
268 mask0 &= ~level_mask;
273 for (i = 0; i < 16; i++)
274 if ((mask0 & (1 << i)) && (try_irq(i) == 0))
276 for (i = 0; i < 16; i++)
277 if ((mask1 & (1 << i)) && (try_irq(i) != 0)) {
285 /* Fallback: just find interrupts that aren't in use */
286 for (i = 0; i < 16; i++)
287 if ((mask0 & (1 << i)) &&
288 (request_irq(i, tcic_irq_count, 0, "x", tcic_irq_count) == 0)) {
290 free_irq(i, tcic_irq_count);
296 for (i = 0; i < 16; i++)
298 printk("%s%d", ((mask1 & ((1<<i)-1)) ? "," : ""), i);
304 /*======================================================================
306 See if a card is present, powered up, in IO mode, and already
307 bound to a (non-PCMCIA) Linux driver.
309 We make an exception for cards that look like serial devices.
311 ======================================================================*/
313 static int __init is_active(int s)
315 u_short scf1, ioctl, base, num;
319 tcic_setl(TCIC_ADDR, (s << TCIC_ADDR_SS_SHFT)
320 | TCIC_ADDR_INDREG | TCIC_SCF1(s));
321 scf1 = tcic_getw(TCIC_DATA);
322 pwr = tcic_getb(TCIC_PWR);
323 sstat = tcic_getb(TCIC_SSTAT);
324 addr = TCIC_IWIN(s, 0);
325 tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
326 base = tcic_getw(TCIC_DATA);
327 tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
328 ioctl = tcic_getw(TCIC_DATA);
330 if (ioctl & TCIC_ICTL_TINY)
333 num = (base ^ (base-1));
334 base = base & (base-1);
337 if ((sstat & TCIC_SSTAT_CD) && (pwr & TCIC_PWR_VCC(s)) &&
338 (scf1 & TCIC_SCF1_IOSTS) && (ioctl & TCIC_ICTL_ENA) &&
339 ((base & 0xfeef) != 0x02e8)) {
340 struct resource *res = request_region(base, num, "tcic-2");
341 if (!res) /* region is busy */
343 release_region(base, num);
349 /*======================================================================
351 This returns the revision code for the specified socket.
353 ======================================================================*/
355 static int __init get_tcic_id(void)
359 tcic_aux_setw(TCIC_AUX_TEST, TCIC_TEST_DIAG);
360 id = tcic_aux_getw(TCIC_AUX_ILOCK);
361 id = (id & TCIC_ILOCKTEST_ID_MASK) >> TCIC_ILOCKTEST_ID_SH;
362 tcic_aux_setw(TCIC_AUX_TEST, 0);
366 /*====================================================================*/
368 static struct device_driver tcic_driver = {
369 .name = "tcic-pcmcia",
370 .bus = &platform_bus_type,
371 .suspend = pcmcia_socket_dev_suspend,
372 .resume = pcmcia_socket_dev_resume,
375 static struct platform_device tcic_device = {
376 .name = "tcic-pcmcia",
381 static int __init init_tcic(void)
383 int i, sock, ret = 0;
386 if (driver_register(&tcic_driver))
389 printk(KERN_INFO "Databook TCIC-2 PCMCIA probe: ");
392 if (!request_region(tcic_base, 16, "tcic-2")) {
393 printk("could not allocate ports,\n ");
394 driver_unregister(&tcic_driver);
398 tcic_setw(TCIC_ADDR, 0);
399 if (tcic_getw(TCIC_ADDR) == 0) {
400 tcic_setw(TCIC_ADDR, 0xc3a5);
401 if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
404 /* See if resetting the controller does any good */
405 tcic_setb(TCIC_SCTRL, TCIC_SCTRL_RESET);
406 tcic_setb(TCIC_SCTRL, 0);
407 tcic_setw(TCIC_ADDR, 0);
408 if (tcic_getw(TCIC_ADDR) == 0) {
409 tcic_setw(TCIC_ADDR, 0xc3a5);
410 if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
415 printk("not found.\n");
416 release_region(tcic_base, 16);
417 driver_unregister(&tcic_driver);
422 for (i = 0; i < sock; i++) {
423 if ((i == ignore) || is_active(i)) continue;
424 socket_table[sockets].psock = i;
425 socket_table[sockets].id = get_tcic_id();
427 socket_table[sockets].socket.owner = THIS_MODULE;
428 /* only 16-bit cards, memory windows must be size-aligned */
429 /* No PCI or CardBus support */
430 socket_table[sockets].socket.features = SS_CAP_PCCARD | SS_CAP_MEM_ALIGN;
431 /* irq 14, 11, 10, 7, 6, 5, 4, 3 */
432 socket_table[sockets].socket.irq_mask = 0x4cf8;
433 /* 4K minimum window size */
434 socket_table[sockets].socket.map_size = 0x1000;
438 switch (socket_table[0].id) {
439 case TCIC_ID_DB86082:
440 printk("DB86082"); break;
441 case TCIC_ID_DB86082A:
442 printk("DB86082A"); break;
443 case TCIC_ID_DB86084:
444 printk("DB86084"); break;
445 case TCIC_ID_DB86084A:
446 printk("DB86084A"); break;
447 case TCIC_ID_DB86072:
448 printk("DB86072"); break;
449 case TCIC_ID_DB86184:
450 printk("DB86184"); break;
451 case TCIC_ID_DB86082B:
452 printk("DB86082B"); break;
454 printk("Unknown ID 0x%02x", socket_table[0].id);
458 poll_timer.function = &tcic_timer;
460 init_timer(&poll_timer);
462 /* Build interrupt mask */
463 printk(", %d sockets\n" KERN_INFO " irq list (", sockets);
464 if (irq_list_count == 0)
467 for (i = mask = 0; i < irq_list_count; i++)
468 mask |= (1<<irq_list[i]);
470 /* irq 14, 11, 10, 7, 6, 5, 4, 3 */
472 /* Scan interrupts */
473 mask = irq_scan(mask);
474 for (i=0;i<sockets;i++)
475 socket_table[i].socket.irq_mask = mask;
477 /* Check for only two interrupts available */
478 scan = (mask & (mask-1));
479 if (((scan & (scan-1)) == 0) && (poll_interval == 0))
482 if (poll_interval == 0) {
483 /* Avoid irq 12 unless it is explicitly requested */
484 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
485 for (i = 15; i > 0; i--)
486 if ((cs_mask & (1 << i)) &&
487 (request_irq(i, tcic_interrupt, 0, "tcic",
488 tcic_interrupt) == 0))
491 if (cs_irq == 0) poll_interval = HZ;
494 if (socket_table[0].socket.irq_mask & (1 << 11))
495 printk("sktirq is irq 11, ");
497 printk("status change on irq %d\n", cs_irq);
499 printk("polled status, interval = %d ms\n",
500 poll_interval * 1000 / HZ);
502 for (i = 0; i < sockets; i++) {
503 tcic_setw(TCIC_ADDR+2, socket_table[i].psock << TCIC_SS_SHFT);
504 socket_table[i].last_sstat = tcic_getb(TCIC_SSTAT);
507 /* jump start interrupt handler, if needed */
508 tcic_interrupt(0, NULL, NULL);
510 platform_device_register(&tcic_device);
512 for (i = 0; i < sockets; i++) {
513 socket_table[i].socket.ops = &tcic_operations;
514 socket_table[i].socket.resource_ops = &pccard_nonstatic_ops;
515 socket_table[i].socket.dev.dev = &tcic_device.dev;
516 ret = pcmcia_register_socket(&socket_table[i].socket);
518 pcmcia_unregister_socket(&socket_table[0].socket);
527 /*====================================================================*/
529 static void __exit exit_tcic(void)
533 del_timer_sync(&poll_timer);
535 tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00);
536 free_irq(cs_irq, tcic_interrupt);
538 release_region(tcic_base, 16);
540 for (i = 0; i < sockets; i++) {
541 pcmcia_unregister_socket(&socket_table[i].socket);
544 platform_device_unregister(&tcic_device);
545 driver_unregister(&tcic_driver);
548 /*====================================================================*/
550 static irqreturn_t tcic_interrupt(int irq, void *dev, struct pt_regs *regs)
556 static volatile int active = 0;
559 printk(KERN_NOTICE "tcic: reentered interrupt handler!\n");
564 debug(2, "tcic_interrupt()\n");
566 for (i = 0; i < sockets; i++) {
567 psock = socket_table[i].psock;
568 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
569 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
570 sstat = tcic_getb(TCIC_SSTAT);
571 latch = sstat ^ socket_table[psock].last_sstat;
572 socket_table[i].last_sstat = sstat;
573 if (tcic_getb(TCIC_ICSR) & TCIC_ICSR_CDCHG) {
574 tcic_setb(TCIC_ICSR, TCIC_ICSR_CLEAR);
579 events = (latch & TCIC_SSTAT_CD) ? SS_DETECT : 0;
580 events |= (latch & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
581 if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
582 events |= (latch & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
584 events |= (latch & TCIC_SSTAT_RDY) ? SS_READY : 0;
585 events |= (latch & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
586 events |= (latch & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
589 pcmcia_parse_events(&socket_table[i].socket, events);
593 /* Schedule next poll, if needed */
594 if (((cs_irq == 0) || quick) && (!tcic_timer_pending)) {
595 poll_timer.expires = jiffies + (quick ? poll_quick : poll_interval);
596 add_timer(&poll_timer);
597 tcic_timer_pending = 1;
601 debug(2, "interrupt done\n");
603 } /* tcic_interrupt */
605 static void tcic_timer(u_long data)
607 debug(2, "tcic_timer()\n");
608 tcic_timer_pending = 0;
609 tcic_interrupt(0, NULL, NULL);
612 /*====================================================================*/
614 static int tcic_get_status(struct pcmcia_socket *sock, u_int *value)
616 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
619 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
620 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
621 reg = tcic_getb(TCIC_SSTAT);
622 *value = (reg & TCIC_SSTAT_CD) ? SS_DETECT : 0;
623 *value |= (reg & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
624 if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
625 *value |= (reg & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
627 *value |= (reg & TCIC_SSTAT_RDY) ? SS_READY : 0;
628 *value |= (reg & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
629 *value |= (reg & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
631 reg = tcic_getb(TCIC_PWR);
632 if (reg & (TCIC_PWR_VCC(psock)|TCIC_PWR_VPP(psock)))
633 *value |= SS_POWERON;
634 debug(1, "GetStatus(%d) = %#2.2x\n", psock, *value);
636 } /* tcic_get_status */
638 /*====================================================================*/
640 static int tcic_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
642 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
646 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
647 "io_irq %d, csc_mask %#2.2x)\n", psock, state->flags,
648 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
649 tcic_setw(TCIC_ADDR+2, (psock << TCIC_SS_SHFT) | TCIC_ADR2_INDREG);
651 reg = tcic_getb(TCIC_PWR);
652 reg &= ~(TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock));
654 if (state->Vcc == 50) {
655 switch (state->Vpp) {
656 case 0: reg |= TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock); break;
657 case 50: reg |= TCIC_PWR_VCC(psock); break;
658 case 120: reg |= TCIC_PWR_VPP(psock); break;
659 default: return -EINVAL;
661 } else if (state->Vcc != 0)
664 if (reg != tcic_getb(TCIC_PWR))
665 tcic_setb(TCIC_PWR, reg);
667 reg = TCIC_ILOCK_HOLD_CCLK | TCIC_ILOCK_CWAIT;
668 if (state->flags & SS_OUTPUT_ENA) {
669 tcic_setb(TCIC_SCTRL, TCIC_SCTRL_ENA);
670 reg |= TCIC_ILOCK_CRESENA;
672 tcic_setb(TCIC_SCTRL, 0);
673 if (state->flags & SS_RESET)
674 reg |= TCIC_ILOCK_CRESET;
675 tcic_aux_setb(TCIC_AUX_ILOCK, reg);
677 tcic_setw(TCIC_ADDR, TCIC_SCF1(psock));
678 scf1 = TCIC_SCF1_FINPACK;
679 scf1 |= TCIC_IRQ(state->io_irq);
680 if (state->flags & SS_IOCARD) {
681 scf1 |= TCIC_SCF1_IOSTS;
682 if (state->flags & SS_SPKR_ENA)
683 scf1 |= TCIC_SCF1_SPKR;
684 if (state->flags & SS_DMA_MODE)
685 scf1 |= TCIC_SCF1_DREQ2 << TCIC_SCF1_DMA_SHIFT;
687 tcic_setw(TCIC_DATA, scf1);
689 /* Some general setup stuff, and configure status interrupt */
690 reg = TCIC_WAIT_ASYNC | TCIC_WAIT_SENSE | to_cycles(250);
691 tcic_aux_setb(TCIC_AUX_WCTL, reg);
692 tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00|
695 /* Card status change interrupt mask */
696 tcic_setw(TCIC_ADDR, TCIC_SCF2(psock));
697 scf2 = TCIC_SCF2_MALL;
698 if (state->csc_mask & SS_DETECT) scf2 &= ~TCIC_SCF2_MCD;
699 if (state->flags & SS_IOCARD) {
700 if (state->csc_mask & SS_STSCHG) reg &= ~TCIC_SCF2_MLBAT1;
702 if (state->csc_mask & SS_BATDEAD) reg &= ~TCIC_SCF2_MLBAT1;
703 if (state->csc_mask & SS_BATWARN) reg &= ~TCIC_SCF2_MLBAT2;
704 if (state->csc_mask & SS_READY) reg &= ~TCIC_SCF2_MRDY;
706 tcic_setw(TCIC_DATA, scf2);
707 /* For the ISA bus, the irq should be active-high totem-pole */
708 tcic_setb(TCIC_IENA, TCIC_IENA_CDCHG | TCIC_IENA_CFG_HIGH);
711 } /* tcic_set_socket */
713 /*====================================================================*/
715 static int tcic_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
717 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
719 u_short base, len, ioctl;
721 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
722 "%#lx-%#lx)\n", psock, io->map, io->flags,
723 io->speed, io->start, io->stop);
724 if ((io->map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
725 (io->stop < io->start)) return -EINVAL;
726 tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
727 addr = TCIC_IWIN(psock, io->map);
729 base = io->start; len = io->stop - io->start;
730 /* Check to see that len+1 is power of two, etc */
731 if ((len & (len+1)) || (base & len)) return -EINVAL;
733 tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
734 tcic_setw(TCIC_DATA, base);
736 ioctl = (psock << TCIC_ICTL_SS_SHFT);
737 ioctl |= (len == 0) ? TCIC_ICTL_TINY : 0;
738 ioctl |= (io->flags & MAP_ACTIVE) ? TCIC_ICTL_ENA : 0;
739 ioctl |= to_cycles(io->speed) & TCIC_ICTL_WSCNT_MASK;
740 if (!(io->flags & MAP_AUTOSZ)) {
741 ioctl |= TCIC_ICTL_QUIET;
742 ioctl |= (io->flags & MAP_16BIT) ? TCIC_ICTL_BW_16 : TCIC_ICTL_BW_8;
744 tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
745 tcic_setw(TCIC_DATA, ioctl);
748 } /* tcic_set_io_map */
750 /*====================================================================*/
752 static int tcic_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
754 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
756 u_long base, len, mmap;
758 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, "
759 "%#lx-%#lx, %#x)\n", psock, mem->map, mem->flags,
760 mem->speed, mem->res->start, mem->res->end, mem->card_start);
761 if ((mem->map > 3) || (mem->card_start > 0x3ffffff) ||
762 (mem->res->start > 0xffffff) || (mem->res->end > 0xffffff) ||
763 (mem->res->start > mem->res->end) || (mem->speed > 1000))
765 tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
766 addr = TCIC_MWIN(psock, mem->map);
768 base = mem->res->start; len = mem->res->end - mem->res->start;
769 if ((len & (len+1)) || (base & len)) return -EINVAL;
771 base = (base >> TCIC_MBASE_HA_SHFT) | TCIC_MBASE_4K_BIT;
773 base = (base | (len+1)>>1) >> TCIC_MBASE_HA_SHFT;
774 tcic_setw(TCIC_ADDR, addr + TCIC_MBASE_X);
775 tcic_setw(TCIC_DATA, base);
777 mmap = mem->card_start - mem->res->start;
778 mmap = (mmap >> TCIC_MMAP_CA_SHFT) & TCIC_MMAP_CA_MASK;
779 if (mem->flags & MAP_ATTRIB) mmap |= TCIC_MMAP_REG;
780 tcic_setw(TCIC_ADDR, addr + TCIC_MMAP_X);
781 tcic_setw(TCIC_DATA, mmap);
783 ctl = TCIC_MCTL_QUIET | (psock << TCIC_MCTL_SS_SHFT);
784 ctl |= to_cycles(mem->speed) & TCIC_MCTL_WSCNT_MASK;
785 ctl |= (mem->flags & MAP_16BIT) ? 0 : TCIC_MCTL_B8;
786 ctl |= (mem->flags & MAP_WRPROT) ? TCIC_MCTL_WP : 0;
787 ctl |= (mem->flags & MAP_ACTIVE) ? TCIC_MCTL_ENA : 0;
788 tcic_setw(TCIC_ADDR, addr + TCIC_MCTL_X);
789 tcic_setw(TCIC_DATA, ctl);
792 } /* tcic_set_mem_map */
794 /*====================================================================*/
796 static int tcic_init(struct pcmcia_socket *s)
799 struct resource res = { .start = 0, .end = 0x1000 };
800 pccard_io_map io = { 0, 0, 0, 0, 1 };
801 pccard_mem_map mem = { .res = &res, };
803 for (i = 0; i < 2; i++) {
805 tcic_set_io_map(s, &io);
807 for (i = 0; i < 5; i++) {
809 tcic_set_mem_map(s, &mem);
814 static struct pccard_operations tcic_operations = {
816 .get_status = tcic_get_status,
817 .set_socket = tcic_set_socket,
818 .set_io_map = tcic_set_io_map,
819 .set_mem_map = tcic_set_mem_map,
822 /*====================================================================*/
824 module_init(init_tcic);
825 module_exit(exit_tcic);