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>
58 #ifdef CONFIG_PCMCIA_DEBUG
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 unsigned 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);
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)
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 static int tcic_drv_pcmcia_suspend(struct platform_device *dev,
369 return pcmcia_socket_dev_suspend(&dev->dev, state);
372 static int tcic_drv_pcmcia_resume(struct platform_device *dev)
374 return pcmcia_socket_dev_resume(&dev->dev);
376 /*====================================================================*/
378 static struct platform_driver tcic_driver = {
380 .name = "tcic-pcmcia",
381 .owner = THIS_MODULE,
383 .suspend = tcic_drv_pcmcia_suspend,
384 .resume = tcic_drv_pcmcia_resume,
387 static struct platform_device tcic_device = {
388 .name = "tcic-pcmcia",
393 static int __init init_tcic(void)
395 int i, sock, ret = 0;
398 if (platform_driver_register(&tcic_driver))
401 printk(KERN_INFO "Databook TCIC-2 PCMCIA probe: ");
404 if (!request_region(tcic_base, 16, "tcic-2")) {
405 printk("could not allocate ports,\n ");
406 platform_driver_unregister(&tcic_driver);
410 tcic_setw(TCIC_ADDR, 0);
411 if (tcic_getw(TCIC_ADDR) == 0) {
412 tcic_setw(TCIC_ADDR, 0xc3a5);
413 if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
416 /* See if resetting the controller does any good */
417 tcic_setb(TCIC_SCTRL, TCIC_SCTRL_RESET);
418 tcic_setb(TCIC_SCTRL, 0);
419 tcic_setw(TCIC_ADDR, 0);
420 if (tcic_getw(TCIC_ADDR) == 0) {
421 tcic_setw(TCIC_ADDR, 0xc3a5);
422 if (tcic_getw(TCIC_ADDR) == 0xc3a5) sock = 2;
427 printk("not found.\n");
428 release_region(tcic_base, 16);
429 platform_driver_unregister(&tcic_driver);
434 for (i = 0; i < sock; i++) {
435 if ((i == ignore) || is_active(i)) continue;
436 socket_table[sockets].psock = i;
437 socket_table[sockets].id = get_tcic_id();
439 socket_table[sockets].socket.owner = THIS_MODULE;
440 /* only 16-bit cards, memory windows must be size-aligned */
441 /* No PCI or CardBus support */
442 socket_table[sockets].socket.features = SS_CAP_PCCARD | SS_CAP_MEM_ALIGN;
443 /* irq 14, 11, 10, 7, 6, 5, 4, 3 */
444 socket_table[sockets].socket.irq_mask = 0x4cf8;
445 /* 4K minimum window size */
446 socket_table[sockets].socket.map_size = 0x1000;
450 switch (socket_table[0].id) {
451 case TCIC_ID_DB86082:
452 printk("DB86082"); break;
453 case TCIC_ID_DB86082A:
454 printk("DB86082A"); break;
455 case TCIC_ID_DB86084:
456 printk("DB86084"); break;
457 case TCIC_ID_DB86084A:
458 printk("DB86084A"); break;
459 case TCIC_ID_DB86072:
460 printk("DB86072"); break;
461 case TCIC_ID_DB86184:
462 printk("DB86184"); break;
463 case TCIC_ID_DB86082B:
464 printk("DB86082B"); break;
466 printk("Unknown ID 0x%02x", socket_table[0].id);
470 poll_timer.function = &tcic_timer;
472 init_timer(&poll_timer);
474 /* Build interrupt mask */
475 printk(", %d sockets\n" KERN_INFO " irq list (", sockets);
476 if (irq_list_count == 0)
479 for (i = mask = 0; i < irq_list_count; i++)
480 mask |= (1<<irq_list[i]);
482 /* irq 14, 11, 10, 7, 6, 5, 4, 3 */
484 /* Scan interrupts */
485 mask = irq_scan(mask);
486 for (i=0;i<sockets;i++)
487 socket_table[i].socket.irq_mask = mask;
489 /* Check for only two interrupts available */
490 scan = (mask & (mask-1));
491 if (((scan & (scan-1)) == 0) && (poll_interval == 0))
494 if (poll_interval == 0) {
495 /* Avoid irq 12 unless it is explicitly requested */
496 u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
497 for (i = 15; i > 0; i--)
498 if ((cs_mask & (1 << i)) &&
499 (request_irq(i, tcic_interrupt, 0, "tcic",
500 tcic_interrupt) == 0))
503 if (cs_irq == 0) poll_interval = HZ;
506 if (socket_table[0].socket.irq_mask & (1 << 11))
507 printk("sktirq is irq 11, ");
509 printk("status change on irq %d\n", cs_irq);
511 printk("polled status, interval = %d ms\n",
512 poll_interval * 1000 / HZ);
514 for (i = 0; i < sockets; i++) {
515 tcic_setw(TCIC_ADDR+2, socket_table[i].psock << TCIC_SS_SHFT);
516 socket_table[i].last_sstat = tcic_getb(TCIC_SSTAT);
519 /* jump start interrupt handler, if needed */
520 tcic_interrupt(0, NULL);
522 platform_device_register(&tcic_device);
524 for (i = 0; i < sockets; i++) {
525 socket_table[i].socket.ops = &tcic_operations;
526 socket_table[i].socket.resource_ops = &pccard_nonstatic_ops;
527 socket_table[i].socket.dev.parent = &tcic_device.dev;
528 ret = pcmcia_register_socket(&socket_table[i].socket);
530 pcmcia_unregister_socket(&socket_table[0].socket);
539 /*====================================================================*/
541 static void __exit exit_tcic(void)
545 del_timer_sync(&poll_timer);
547 tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00);
548 free_irq(cs_irq, tcic_interrupt);
550 release_region(tcic_base, 16);
552 for (i = 0; i < sockets; i++) {
553 pcmcia_unregister_socket(&socket_table[i].socket);
556 platform_device_unregister(&tcic_device);
557 platform_driver_unregister(&tcic_driver);
560 /*====================================================================*/
562 static irqreturn_t tcic_interrupt(int irq, void *dev)
568 static volatile int active = 0;
571 printk(KERN_NOTICE "tcic: reentered interrupt handler!\n");
576 debug(2, "tcic_interrupt()\n");
578 for (i = 0; i < sockets; i++) {
579 psock = socket_table[i].psock;
580 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
581 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
582 sstat = tcic_getb(TCIC_SSTAT);
583 latch = sstat ^ socket_table[psock].last_sstat;
584 socket_table[i].last_sstat = sstat;
585 if (tcic_getb(TCIC_ICSR) & TCIC_ICSR_CDCHG) {
586 tcic_setb(TCIC_ICSR, TCIC_ICSR_CLEAR);
591 events = (latch & TCIC_SSTAT_CD) ? SS_DETECT : 0;
592 events |= (latch & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
593 if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
594 events |= (latch & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
596 events |= (latch & TCIC_SSTAT_RDY) ? SS_READY : 0;
597 events |= (latch & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
598 events |= (latch & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
601 pcmcia_parse_events(&socket_table[i].socket, events);
605 /* Schedule next poll, if needed */
606 if (((cs_irq == 0) || quick) && (!tcic_timer_pending)) {
607 poll_timer.expires = jiffies + (quick ? poll_quick : poll_interval);
608 add_timer(&poll_timer);
609 tcic_timer_pending = 1;
613 debug(2, "interrupt done\n");
615 } /* tcic_interrupt */
617 static void tcic_timer(u_long data)
619 debug(2, "tcic_timer()\n");
620 tcic_timer_pending = 0;
621 tcic_interrupt(0, NULL);
624 /*====================================================================*/
626 static int tcic_get_status(struct pcmcia_socket *sock, u_int *value)
628 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
631 tcic_setl(TCIC_ADDR, (psock << TCIC_ADDR_SS_SHFT)
632 | TCIC_ADDR_INDREG | TCIC_SCF1(psock));
633 reg = tcic_getb(TCIC_SSTAT);
634 *value = (reg & TCIC_SSTAT_CD) ? SS_DETECT : 0;
635 *value |= (reg & TCIC_SSTAT_WP) ? SS_WRPROT : 0;
636 if (tcic_getw(TCIC_DATA) & TCIC_SCF1_IOSTS) {
637 *value |= (reg & TCIC_SSTAT_LBAT1) ? SS_STSCHG : 0;
639 *value |= (reg & TCIC_SSTAT_RDY) ? SS_READY : 0;
640 *value |= (reg & TCIC_SSTAT_LBAT1) ? SS_BATDEAD : 0;
641 *value |= (reg & TCIC_SSTAT_LBAT2) ? SS_BATWARN : 0;
643 reg = tcic_getb(TCIC_PWR);
644 if (reg & (TCIC_PWR_VCC(psock)|TCIC_PWR_VPP(psock)))
645 *value |= SS_POWERON;
646 debug(1, "GetStatus(%d) = %#2.2x\n", psock, *value);
648 } /* tcic_get_status */
650 /*====================================================================*/
652 static int tcic_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
654 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
658 debug(1, "SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, "
659 "io_irq %d, csc_mask %#2.2x)\n", psock, state->flags,
660 state->Vcc, state->Vpp, state->io_irq, state->csc_mask);
661 tcic_setw(TCIC_ADDR+2, (psock << TCIC_SS_SHFT) | TCIC_ADR2_INDREG);
663 reg = tcic_getb(TCIC_PWR);
664 reg &= ~(TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock));
666 if (state->Vcc == 50) {
667 switch (state->Vpp) {
668 case 0: reg |= TCIC_PWR_VCC(psock) | TCIC_PWR_VPP(psock); break;
669 case 50: reg |= TCIC_PWR_VCC(psock); break;
670 case 120: reg |= TCIC_PWR_VPP(psock); break;
671 default: return -EINVAL;
673 } else if (state->Vcc != 0)
676 if (reg != tcic_getb(TCIC_PWR))
677 tcic_setb(TCIC_PWR, reg);
679 reg = TCIC_ILOCK_HOLD_CCLK | TCIC_ILOCK_CWAIT;
680 if (state->flags & SS_OUTPUT_ENA) {
681 tcic_setb(TCIC_SCTRL, TCIC_SCTRL_ENA);
682 reg |= TCIC_ILOCK_CRESENA;
684 tcic_setb(TCIC_SCTRL, 0);
685 if (state->flags & SS_RESET)
686 reg |= TCIC_ILOCK_CRESET;
687 tcic_aux_setb(TCIC_AUX_ILOCK, reg);
689 tcic_setw(TCIC_ADDR, TCIC_SCF1(psock));
690 scf1 = TCIC_SCF1_FINPACK;
691 scf1 |= TCIC_IRQ(state->io_irq);
692 if (state->flags & SS_IOCARD) {
693 scf1 |= TCIC_SCF1_IOSTS;
694 if (state->flags & SS_SPKR_ENA)
695 scf1 |= TCIC_SCF1_SPKR;
696 if (state->flags & SS_DMA_MODE)
697 scf1 |= TCIC_SCF1_DREQ2 << TCIC_SCF1_DMA_SHIFT;
699 tcic_setw(TCIC_DATA, scf1);
701 /* Some general setup stuff, and configure status interrupt */
702 reg = TCIC_WAIT_ASYNC | TCIC_WAIT_SENSE | to_cycles(250);
703 tcic_aux_setb(TCIC_AUX_WCTL, reg);
704 tcic_aux_setw(TCIC_AUX_SYSCFG, TCIC_SYSCFG_AUTOBUSY|0x0a00|
707 /* Card status change interrupt mask */
708 tcic_setw(TCIC_ADDR, TCIC_SCF2(psock));
709 scf2 = TCIC_SCF2_MALL;
710 if (state->csc_mask & SS_DETECT) scf2 &= ~TCIC_SCF2_MCD;
711 if (state->flags & SS_IOCARD) {
712 if (state->csc_mask & SS_STSCHG) reg &= ~TCIC_SCF2_MLBAT1;
714 if (state->csc_mask & SS_BATDEAD) reg &= ~TCIC_SCF2_MLBAT1;
715 if (state->csc_mask & SS_BATWARN) reg &= ~TCIC_SCF2_MLBAT2;
716 if (state->csc_mask & SS_READY) reg &= ~TCIC_SCF2_MRDY;
718 tcic_setw(TCIC_DATA, scf2);
719 /* For the ISA bus, the irq should be active-high totem-pole */
720 tcic_setb(TCIC_IENA, TCIC_IENA_CDCHG | TCIC_IENA_CFG_HIGH);
723 } /* tcic_set_socket */
725 /*====================================================================*/
727 static int tcic_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
729 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
731 u_short base, len, ioctl;
733 debug(1, "SetIOMap(%d, %d, %#2.2x, %d ns, "
734 "%#x-%#x)\n", psock, io->map, io->flags,
735 io->speed, io->start, io->stop);
736 if ((io->map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) ||
737 (io->stop < io->start)) return -EINVAL;
738 tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
739 addr = TCIC_IWIN(psock, io->map);
741 base = io->start; len = io->stop - io->start;
742 /* Check to see that len+1 is power of two, etc */
743 if ((len & (len+1)) || (base & len)) return -EINVAL;
745 tcic_setw(TCIC_ADDR, addr + TCIC_IBASE_X);
746 tcic_setw(TCIC_DATA, base);
748 ioctl = (psock << TCIC_ICTL_SS_SHFT);
749 ioctl |= (len == 0) ? TCIC_ICTL_TINY : 0;
750 ioctl |= (io->flags & MAP_ACTIVE) ? TCIC_ICTL_ENA : 0;
751 ioctl |= to_cycles(io->speed) & TCIC_ICTL_WSCNT_MASK;
752 if (!(io->flags & MAP_AUTOSZ)) {
753 ioctl |= TCIC_ICTL_QUIET;
754 ioctl |= (io->flags & MAP_16BIT) ? TCIC_ICTL_BW_16 : TCIC_ICTL_BW_8;
756 tcic_setw(TCIC_ADDR, addr + TCIC_ICTL_X);
757 tcic_setw(TCIC_DATA, ioctl);
760 } /* tcic_set_io_map */
762 /*====================================================================*/
764 static int tcic_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
766 u_short psock = container_of(sock, struct tcic_socket, socket)->psock;
768 u_long base, len, mmap;
770 debug(1, "SetMemMap(%d, %d, %#2.2x, %d ns, "
771 "%#llx-%#llx, %#x)\n", psock, mem->map, mem->flags,
772 mem->speed, (unsigned long long)mem->res->start,
773 (unsigned long long)mem->res->end, mem->card_start);
774 if ((mem->map > 3) || (mem->card_start > 0x3ffffff) ||
775 (mem->res->start > 0xffffff) || (mem->res->end > 0xffffff) ||
776 (mem->res->start > mem->res->end) || (mem->speed > 1000))
778 tcic_setw(TCIC_ADDR+2, TCIC_ADR2_INDREG | (psock << TCIC_SS_SHFT));
779 addr = TCIC_MWIN(psock, mem->map);
781 base = mem->res->start; len = mem->res->end - mem->res->start;
782 if ((len & (len+1)) || (base & len)) return -EINVAL;
784 base = (base >> TCIC_MBASE_HA_SHFT) | TCIC_MBASE_4K_BIT;
786 base = (base | (len+1)>>1) >> TCIC_MBASE_HA_SHFT;
787 tcic_setw(TCIC_ADDR, addr + TCIC_MBASE_X);
788 tcic_setw(TCIC_DATA, base);
790 mmap = mem->card_start - mem->res->start;
791 mmap = (mmap >> TCIC_MMAP_CA_SHFT) & TCIC_MMAP_CA_MASK;
792 if (mem->flags & MAP_ATTRIB) mmap |= TCIC_MMAP_REG;
793 tcic_setw(TCIC_ADDR, addr + TCIC_MMAP_X);
794 tcic_setw(TCIC_DATA, mmap);
796 ctl = TCIC_MCTL_QUIET | (psock << TCIC_MCTL_SS_SHFT);
797 ctl |= to_cycles(mem->speed) & TCIC_MCTL_WSCNT_MASK;
798 ctl |= (mem->flags & MAP_16BIT) ? 0 : TCIC_MCTL_B8;
799 ctl |= (mem->flags & MAP_WRPROT) ? TCIC_MCTL_WP : 0;
800 ctl |= (mem->flags & MAP_ACTIVE) ? TCIC_MCTL_ENA : 0;
801 tcic_setw(TCIC_ADDR, addr + TCIC_MCTL_X);
802 tcic_setw(TCIC_DATA, ctl);
805 } /* tcic_set_mem_map */
807 /*====================================================================*/
809 static int tcic_init(struct pcmcia_socket *s)
812 struct resource res = { .start = 0, .end = 0x1000 };
813 pccard_io_map io = { 0, 0, 0, 0, 1 };
814 pccard_mem_map mem = { .res = &res, };
816 for (i = 0; i < 2; i++) {
818 tcic_set_io_map(s, &io);
820 for (i = 0; i < 5; i++) {
822 tcic_set_mem_map(s, &mem);
827 static struct pccard_operations tcic_operations = {
829 .get_status = tcic_get_status,
830 .set_socket = tcic_set_socket,
831 .set_io_map = tcic_set_io_map,
832 .set_mem_map = tcic_set_mem_map,
835 /*====================================================================*/
837 module_init(init_tcic);
838 module_exit(exit_tcic);