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10#include <linux/device.h>
11#include <linux/module.h>
12#include <linux/interrupt.h>
13#include <linux/sched.h>
14#include <linux/tty.h>
15#include <linux/serial.h>
16#include <linux/tty_flip.h>
17#include <linux/slab.h>
18#include <linux/io.h>
19#include <linux/ipack.h>
20#include "ipoctal.h"
21#include "scc2698.h"
22
23#define IP_OCTAL_ID_SPACE_VECTOR 0x41
24#define IP_OCTAL_NB_BLOCKS 4
25
26static const struct tty_operations ipoctal_fops;
27
28struct ipoctal_channel {
29 struct ipoctal_stats stats;
30 unsigned int nb_bytes;
31 wait_queue_head_t queue;
32 spinlock_t lock;
33 unsigned int pointer_read;
34 unsigned int pointer_write;
35 struct tty_port tty_port;
36 bool tty_registered;
37 union scc2698_channel __iomem *regs;
38 union scc2698_block __iomem *block_regs;
39 unsigned int board_id;
40 u8 isr_rx_rdy_mask;
41 u8 isr_tx_rdy_mask;
42 unsigned int rx_enable;
43};
44
45struct ipoctal {
46 struct ipack_device *dev;
47 unsigned int board_id;
48 struct ipoctal_channel channel[NR_CHANNELS];
49 struct tty_driver *tty_drv;
50 u8 __iomem *mem8_space;
51 u8 __iomem *int_space;
52};
53
54static inline struct ipoctal *chan_to_ipoctal(struct ipoctal_channel *chan,
55 unsigned int index)
56{
57 return container_of(chan, struct ipoctal, channel[index]);
58}
59
60static void ipoctal_reset_channel(struct ipoctal_channel *channel)
61{
62 iowrite8(CR_DISABLE_RX | CR_DISABLE_TX, &channel->regs->w.cr);
63 channel->rx_enable = 0;
64 iowrite8(CR_CMD_RESET_RX, &channel->regs->w.cr);
65 iowrite8(CR_CMD_RESET_TX, &channel->regs->w.cr);
66 iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr);
67 iowrite8(CR_CMD_RESET_MR, &channel->regs->w.cr);
68}
69
70static int ipoctal_port_activate(struct tty_port *port, struct tty_struct *tty)
71{
72 struct ipoctal_channel *channel;
73
74 channel = dev_get_drvdata(tty->dev);
75
76
77
78
79
80 iowrite8(CR_ENABLE_RX, &channel->regs->w.cr);
81 channel->rx_enable = 1;
82 return 0;
83}
84
85static int ipoctal_install(struct tty_driver *driver, struct tty_struct *tty)
86{
87 struct ipoctal_channel *channel = dev_get_drvdata(tty->dev);
88 struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index);
89 int res;
90
91 if (!ipack_get_carrier(ipoctal->dev))
92 return -EBUSY;
93
94 res = tty_standard_install(driver, tty);
95 if (res)
96 goto err_put_carrier;
97
98 tty->driver_data = channel;
99
100 return 0;
101
102err_put_carrier:
103 ipack_put_carrier(ipoctal->dev);
104
105 return res;
106}
107
108static int ipoctal_open(struct tty_struct *tty, struct file *file)
109{
110 struct ipoctal_channel *channel = tty->driver_data;
111
112 return tty_port_open(&channel->tty_port, tty, file);
113}
114
115static void ipoctal_reset_stats(struct ipoctal_stats *stats)
116{
117 stats->tx = 0;
118 stats->rx = 0;
119 stats->rcv_break = 0;
120 stats->framing_err = 0;
121 stats->overrun_err = 0;
122 stats->parity_err = 0;
123}
124
125static void ipoctal_free_channel(struct ipoctal_channel *channel)
126{
127 ipoctal_reset_stats(&channel->stats);
128 channel->pointer_read = 0;
129 channel->pointer_write = 0;
130 channel->nb_bytes = 0;
131}
132
133static void ipoctal_close(struct tty_struct *tty, struct file *filp)
134{
135 struct ipoctal_channel *channel = tty->driver_data;
136
137 tty_port_close(&channel->tty_port, tty, filp);
138 ipoctal_free_channel(channel);
139}
140
141static int ipoctal_get_icount(struct tty_struct *tty,
142 struct serial_icounter_struct *icount)
143{
144 struct ipoctal_channel *channel = tty->driver_data;
145
146 icount->cts = 0;
147 icount->dsr = 0;
148 icount->rng = 0;
149 icount->dcd = 0;
150 icount->rx = channel->stats.rx;
151 icount->tx = channel->stats.tx;
152 icount->frame = channel->stats.framing_err;
153 icount->parity = channel->stats.parity_err;
154 icount->brk = channel->stats.rcv_break;
155 return 0;
156}
157
158static void ipoctal_irq_rx(struct ipoctal_channel *channel, u8 sr)
159{
160 struct tty_port *port = &channel->tty_port;
161 unsigned char value;
162 unsigned char flag;
163 u8 isr;
164
165 do {
166 value = ioread8(&channel->regs->r.rhr);
167 flag = TTY_NORMAL;
168
169 if (sr & SR_ERROR) {
170 iowrite8(CR_CMD_RESET_ERR_STATUS, &channel->regs->w.cr);
171
172 if (sr & SR_OVERRUN_ERROR) {
173 channel->stats.overrun_err++;
174
175 tty_insert_flip_char(port, 0, TTY_OVERRUN);
176 }
177 if (sr & SR_PARITY_ERROR) {
178 channel->stats.parity_err++;
179 flag = TTY_PARITY;
180 }
181 if (sr & SR_FRAMING_ERROR) {
182 channel->stats.framing_err++;
183 flag = TTY_FRAME;
184 }
185 if (sr & SR_RECEIVED_BREAK) {
186 channel->stats.rcv_break++;
187 flag = TTY_BREAK;
188 }
189 }
190 tty_insert_flip_char(port, value, flag);
191
192
193
194
195
196 isr = ioread8(&channel->block_regs->r.isr);
197 sr = ioread8(&channel->regs->r.sr);
198 } while (isr & channel->isr_rx_rdy_mask);
199
200 tty_flip_buffer_push(port);
201}
202
203static void ipoctal_irq_tx(struct ipoctal_channel *channel)
204{
205 unsigned char value;
206 unsigned int *pointer_write = &channel->pointer_write;
207
208 if (channel->nb_bytes == 0)
209 return;
210
211 spin_lock(&channel->lock);
212 value = channel->tty_port.xmit_buf[*pointer_write];
213 iowrite8(value, &channel->regs->w.thr);
214 channel->stats.tx++;
215 (*pointer_write)++;
216 *pointer_write = *pointer_write % PAGE_SIZE;
217 channel->nb_bytes--;
218 spin_unlock(&channel->lock);
219}
220
221static void ipoctal_irq_channel(struct ipoctal_channel *channel)
222{
223 u8 isr, sr;
224
225
226
227 isr = ioread8(&channel->block_regs->r.isr);
228 sr = ioread8(&channel->regs->r.sr);
229
230 if (isr & (IMR_DELTA_BREAK_A | IMR_DELTA_BREAK_B))
231 iowrite8(CR_CMD_RESET_BREAK_CHANGE, &channel->regs->w.cr);
232
233 if ((sr & SR_TX_EMPTY) && (channel->nb_bytes == 0)) {
234 iowrite8(CR_DISABLE_TX, &channel->regs->w.cr);
235
236
237 if (channel->board_id == IPACK1_DEVICE_ID_SBS_OCTAL_485) {
238 iowrite8(CR_CMD_NEGATE_RTSN, &channel->regs->w.cr);
239 iowrite8(CR_ENABLE_RX, &channel->regs->w.cr);
240 channel->rx_enable = 1;
241 }
242 }
243
244
245 if ((isr & channel->isr_rx_rdy_mask) && (sr & SR_RX_READY))
246 ipoctal_irq_rx(channel, sr);
247
248
249 if ((isr & channel->isr_tx_rdy_mask) && (sr & SR_TX_READY))
250 ipoctal_irq_tx(channel);
251}
252
253static irqreturn_t ipoctal_irq_handler(void *arg)
254{
255 unsigned int i;
256 struct ipoctal *ipoctal = (struct ipoctal *) arg;
257
258
259 readw(ipoctal->int_space + ACK_INT_REQ0);
260 readw(ipoctal->int_space + ACK_INT_REQ1);
261
262
263 for (i = 0; i < NR_CHANNELS; i++)
264 ipoctal_irq_channel(&ipoctal->channel[i]);
265
266 return IRQ_HANDLED;
267}
268
269static const struct tty_port_operations ipoctal_tty_port_ops = {
270 .dtr_rts = NULL,
271 .activate = ipoctal_port_activate,
272};
273
274static int ipoctal_inst_slot(struct ipoctal *ipoctal, unsigned int bus_nr,
275 unsigned int slot)
276{
277 int res;
278 int i;
279 struct tty_driver *tty;
280 struct ipoctal_channel *channel;
281 struct ipack_region *region;
282 void __iomem *addr;
283 union scc2698_channel __iomem *chan_regs;
284 union scc2698_block __iomem *block_regs;
285
286 ipoctal->board_id = ipoctal->dev->id_device;
287
288 region = &ipoctal->dev->region[IPACK_IO_SPACE];
289 addr = devm_ioremap(&ipoctal->dev->dev,
290 region->start, region->size);
291 if (!addr) {
292 dev_err(&ipoctal->dev->dev,
293 "Unable to map slot [%d:%d] IO space!\n",
294 bus_nr, slot);
295 return -EADDRNOTAVAIL;
296 }
297
298 chan_regs =
299 (union scc2698_channel __iomem *) addr;
300 block_regs =
301 (union scc2698_block __iomem *) addr;
302
303 region = &ipoctal->dev->region[IPACK_INT_SPACE];
304 ipoctal->int_space =
305 devm_ioremap(&ipoctal->dev->dev,
306 region->start, region->size);
307 if (!ipoctal->int_space) {
308 dev_err(&ipoctal->dev->dev,
309 "Unable to map slot [%d:%d] INT space!\n",
310 bus_nr, slot);
311 return -EADDRNOTAVAIL;
312 }
313
314 region = &ipoctal->dev->region[IPACK_MEM8_SPACE];
315 ipoctal->mem8_space =
316 devm_ioremap(&ipoctal->dev->dev,
317 region->start, 0x8000);
318 if (!ipoctal->mem8_space) {
319 dev_err(&ipoctal->dev->dev,
320 "Unable to map slot [%d:%d] MEM8 space!\n",
321 bus_nr, slot);
322 return -EADDRNOTAVAIL;
323 }
324
325
326
327 for (i = 0; i < NR_CHANNELS ; i++) {
328 struct ipoctal_channel *channel = &ipoctal->channel[i];
329 channel->regs = chan_regs + i;
330 channel->block_regs = block_regs + (i >> 1);
331 channel->board_id = ipoctal->board_id;
332 if (i & 1) {
333 channel->isr_tx_rdy_mask = ISR_TxRDY_B;
334 channel->isr_rx_rdy_mask = ISR_RxRDY_FFULL_B;
335 } else {
336 channel->isr_tx_rdy_mask = ISR_TxRDY_A;
337 channel->isr_rx_rdy_mask = ISR_RxRDY_FFULL_A;
338 }
339
340 ipoctal_reset_channel(channel);
341 iowrite8(MR1_CHRL_8_BITS | MR1_ERROR_CHAR | MR1_RxINT_RxRDY,
342 &channel->regs->w.mr);
343 iowrite8(0, &channel->regs->w.mr);
344 iowrite8(TX_CLK_9600 | RX_CLK_9600, &channel->regs->w.csr);
345 }
346
347 for (i = 0; i < IP_OCTAL_NB_BLOCKS; i++) {
348 iowrite8(ACR_BRG_SET2, &block_regs[i].w.acr);
349 iowrite8(OPCR_MPP_OUTPUT | OPCR_MPOa_RTSN | OPCR_MPOb_RTSN,
350 &block_regs[i].w.opcr);
351 iowrite8(IMR_TxRDY_A | IMR_RxRDY_FFULL_A | IMR_DELTA_BREAK_A |
352 IMR_TxRDY_B | IMR_RxRDY_FFULL_B | IMR_DELTA_BREAK_B,
353 &block_regs[i].w.imr);
354 }
355
356
357 iowrite8(1, ipoctal->mem8_space + 1);
358
359
360
361
362 tty = tty_alloc_driver(NR_CHANNELS, TTY_DRIVER_REAL_RAW |
363 TTY_DRIVER_DYNAMIC_DEV);
364 if (IS_ERR(tty))
365 return PTR_ERR(tty);
366
367
368 tty->owner = THIS_MODULE;
369 tty->driver_name = KBUILD_MODNAME;
370 tty->name = kasprintf(GFP_KERNEL, KBUILD_MODNAME ".%d.%d.", bus_nr, slot);
371 if (!tty->name) {
372 res = -ENOMEM;
373 goto err_put_driver;
374 }
375 tty->major = 0;
376
377 tty->minor_start = 0;
378 tty->type = TTY_DRIVER_TYPE_SERIAL;
379 tty->subtype = SERIAL_TYPE_NORMAL;
380 tty->init_termios = tty_std_termios;
381 tty->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
382 tty->init_termios.c_ispeed = 9600;
383 tty->init_termios.c_ospeed = 9600;
384
385 tty_set_operations(tty, &ipoctal_fops);
386 res = tty_register_driver(tty);
387 if (res) {
388 dev_err(&ipoctal->dev->dev, "Can't register tty driver.\n");
389 goto err_free_name;
390 }
391
392
393 ipoctal->tty_drv = tty;
394
395 for (i = 0; i < NR_CHANNELS; i++) {
396 struct device *tty_dev;
397
398 channel = &ipoctal->channel[i];
399 tty_port_init(&channel->tty_port);
400 res = tty_port_alloc_xmit_buf(&channel->tty_port);
401 if (res)
402 continue;
403 channel->tty_port.ops = &ipoctal_tty_port_ops;
404
405 ipoctal_reset_stats(&channel->stats);
406 channel->nb_bytes = 0;
407 spin_lock_init(&channel->lock);
408 channel->pointer_read = 0;
409 channel->pointer_write = 0;
410 tty_dev = tty_port_register_device_attr(&channel->tty_port, tty,
411 i, NULL, channel, NULL);
412 if (IS_ERR(tty_dev)) {
413 dev_err(&ipoctal->dev->dev, "Failed to register tty device.\n");
414 tty_port_free_xmit_buf(&channel->tty_port);
415 tty_port_destroy(&channel->tty_port);
416 continue;
417 }
418 channel->tty_registered = true;
419 }
420
421
422
423
424
425
426 ipoctal->dev->bus->ops->request_irq(ipoctal->dev,
427 ipoctal_irq_handler, ipoctal);
428
429 return 0;
430
431err_free_name:
432 kfree(tty->name);
433err_put_driver:
434 tty_driver_kref_put(tty);
435
436 return res;
437}
438
439static inline int ipoctal_copy_write_buffer(struct ipoctal_channel *channel,
440 const unsigned char *buf,
441 int count)
442{
443 unsigned long flags;
444 int i;
445 unsigned int *pointer_read = &channel->pointer_read;
446
447
448 for (i = 0; i < count; i++) {
449 if (i <= (PAGE_SIZE - channel->nb_bytes)) {
450 spin_lock_irqsave(&channel->lock, flags);
451 channel->tty_port.xmit_buf[*pointer_read] = buf[i];
452 *pointer_read = (*pointer_read + 1) % PAGE_SIZE;
453 channel->nb_bytes++;
454 spin_unlock_irqrestore(&channel->lock, flags);
455 } else {
456 break;
457 }
458 }
459 return i;
460}
461
462static int ipoctal_write_tty(struct tty_struct *tty,
463 const unsigned char *buf, int count)
464{
465 struct ipoctal_channel *channel = tty->driver_data;
466 unsigned int char_copied;
467
468 char_copied = ipoctal_copy_write_buffer(channel, buf, count);
469
470
471 if (channel->board_id == IPACK1_DEVICE_ID_SBS_OCTAL_485) {
472 iowrite8(CR_DISABLE_RX, &channel->regs->w.cr);
473 channel->rx_enable = 0;
474 iowrite8(CR_CMD_ASSERT_RTSN, &channel->regs->w.cr);
475 }
476
477
478
479
480
481 iowrite8(CR_ENABLE_TX, &channel->regs->w.cr);
482 return char_copied;
483}
484
485static unsigned int ipoctal_write_room(struct tty_struct *tty)
486{
487 struct ipoctal_channel *channel = tty->driver_data;
488
489 return PAGE_SIZE - channel->nb_bytes;
490}
491
492static unsigned int ipoctal_chars_in_buffer(struct tty_struct *tty)
493{
494 struct ipoctal_channel *channel = tty->driver_data;
495
496 return channel->nb_bytes;
497}
498
499static void ipoctal_set_termios(struct tty_struct *tty,
500 struct ktermios *old_termios)
501{
502 unsigned int cflag;
503 unsigned char mr1 = 0;
504 unsigned char mr2 = 0;
505 unsigned char csr = 0;
506 struct ipoctal_channel *channel = tty->driver_data;
507 speed_t baud;
508
509 cflag = tty->termios.c_cflag;
510
511
512 ipoctal_reset_channel(channel);
513
514
515 switch (cflag & CSIZE) {
516 case CS6:
517 mr1 |= MR1_CHRL_6_BITS;
518 break;
519 case CS7:
520 mr1 |= MR1_CHRL_7_BITS;
521 break;
522 case CS8:
523 default:
524 mr1 |= MR1_CHRL_8_BITS;
525
526 tty->termios.c_cflag = (cflag & ~CSIZE) | CS8;
527 break;
528 }
529
530
531 if (cflag & PARENB)
532 if (cflag & PARODD)
533 mr1 |= MR1_PARITY_ON | MR1_PARITY_ODD;
534 else
535 mr1 |= MR1_PARITY_ON | MR1_PARITY_EVEN;
536 else
537 mr1 |= MR1_PARITY_OFF;
538
539
540 tty->termios.c_cflag &= ~CMSPAR;
541
542
543 if (cflag & CSTOPB)
544 mr2 |= MR2_STOP_BITS_LENGTH_2;
545 else
546 mr2 |= MR2_STOP_BITS_LENGTH_1;
547
548
549 switch (channel->board_id) {
550 case IPACK1_DEVICE_ID_SBS_OCTAL_232:
551 if (cflag & CRTSCTS) {
552 mr1 |= MR1_RxRTS_CONTROL_ON;
553 mr2 |= MR2_TxRTS_CONTROL_OFF | MR2_CTS_ENABLE_TX_ON;
554 } else {
555 mr1 |= MR1_RxRTS_CONTROL_OFF;
556 mr2 |= MR2_TxRTS_CONTROL_OFF | MR2_CTS_ENABLE_TX_OFF;
557 }
558 break;
559 case IPACK1_DEVICE_ID_SBS_OCTAL_422:
560 mr1 |= MR1_RxRTS_CONTROL_OFF;
561 mr2 |= MR2_TxRTS_CONTROL_OFF | MR2_CTS_ENABLE_TX_OFF;
562 break;
563 case IPACK1_DEVICE_ID_SBS_OCTAL_485:
564 mr1 |= MR1_RxRTS_CONTROL_OFF;
565 mr2 |= MR2_TxRTS_CONTROL_ON | MR2_CTS_ENABLE_TX_OFF;
566 break;
567 default:
568 return;
569 }
570
571 baud = tty_get_baud_rate(tty);
572 tty_termios_encode_baud_rate(&tty->termios, baud, baud);
573
574
575 switch (baud) {
576 case 75:
577 csr |= TX_CLK_75 | RX_CLK_75;
578 break;
579 case 110:
580 csr |= TX_CLK_110 | RX_CLK_110;
581 break;
582 case 150:
583 csr |= TX_CLK_150 | RX_CLK_150;
584 break;
585 case 300:
586 csr |= TX_CLK_300 | RX_CLK_300;
587 break;
588 case 600:
589 csr |= TX_CLK_600 | RX_CLK_600;
590 break;
591 case 1200:
592 csr |= TX_CLK_1200 | RX_CLK_1200;
593 break;
594 case 1800:
595 csr |= TX_CLK_1800 | RX_CLK_1800;
596 break;
597 case 2000:
598 csr |= TX_CLK_2000 | RX_CLK_2000;
599 break;
600 case 2400:
601 csr |= TX_CLK_2400 | RX_CLK_2400;
602 break;
603 case 4800:
604 csr |= TX_CLK_4800 | RX_CLK_4800;
605 break;
606 case 9600:
607 csr |= TX_CLK_9600 | RX_CLK_9600;
608 break;
609 case 19200:
610 csr |= TX_CLK_19200 | RX_CLK_19200;
611 break;
612 case 38400:
613 default:
614 csr |= TX_CLK_38400 | RX_CLK_38400;
615
616 tty_termios_encode_baud_rate(&tty->termios, 38400, 38400);
617 break;
618 }
619
620 mr1 |= MR1_ERROR_CHAR;
621 mr1 |= MR1_RxINT_RxRDY;
622
623
624 iowrite8(mr1, &channel->regs->w.mr);
625 iowrite8(mr2, &channel->regs->w.mr);
626 iowrite8(csr, &channel->regs->w.csr);
627
628
629 if (channel->rx_enable)
630 iowrite8(CR_ENABLE_RX, &channel->regs->w.cr);
631}
632
633static void ipoctal_hangup(struct tty_struct *tty)
634{
635 unsigned long flags;
636 struct ipoctal_channel *channel = tty->driver_data;
637
638 if (channel == NULL)
639 return;
640
641 spin_lock_irqsave(&channel->lock, flags);
642 channel->nb_bytes = 0;
643 channel->pointer_read = 0;
644 channel->pointer_write = 0;
645 spin_unlock_irqrestore(&channel->lock, flags);
646
647 tty_port_hangup(&channel->tty_port);
648
649 ipoctal_reset_channel(channel);
650 tty_port_set_initialized(&channel->tty_port, 0);
651 wake_up_interruptible(&channel->tty_port.open_wait);
652}
653
654static void ipoctal_shutdown(struct tty_struct *tty)
655{
656 struct ipoctal_channel *channel = tty->driver_data;
657
658 if (channel == NULL)
659 return;
660
661 ipoctal_reset_channel(channel);
662 tty_port_set_initialized(&channel->tty_port, 0);
663}
664
665static void ipoctal_cleanup(struct tty_struct *tty)
666{
667 struct ipoctal_channel *channel = tty->driver_data;
668 struct ipoctal *ipoctal = chan_to_ipoctal(channel, tty->index);
669
670
671 ipack_put_carrier(ipoctal->dev);
672}
673
674static const struct tty_operations ipoctal_fops = {
675 .ioctl = NULL,
676 .install = ipoctal_install,
677 .open = ipoctal_open,
678 .close = ipoctal_close,
679 .write = ipoctal_write_tty,
680 .set_termios = ipoctal_set_termios,
681 .write_room = ipoctal_write_room,
682 .chars_in_buffer = ipoctal_chars_in_buffer,
683 .get_icount = ipoctal_get_icount,
684 .hangup = ipoctal_hangup,
685 .shutdown = ipoctal_shutdown,
686 .cleanup = ipoctal_cleanup,
687};
688
689static int ipoctal_probe(struct ipack_device *dev)
690{
691 int res;
692 struct ipoctal *ipoctal;
693
694 ipoctal = kzalloc(sizeof(struct ipoctal), GFP_KERNEL);
695 if (ipoctal == NULL)
696 return -ENOMEM;
697
698 ipoctal->dev = dev;
699 res = ipoctal_inst_slot(ipoctal, dev->bus->bus_nr, dev->slot);
700 if (res)
701 goto out_uninst;
702
703 dev_set_drvdata(&dev->dev, ipoctal);
704 return 0;
705
706out_uninst:
707 kfree(ipoctal);
708 return res;
709}
710
711static void __ipoctal_remove(struct ipoctal *ipoctal)
712{
713 int i;
714
715 ipoctal->dev->bus->ops->free_irq(ipoctal->dev);
716
717 for (i = 0; i < NR_CHANNELS; i++) {
718 struct ipoctal_channel *channel = &ipoctal->channel[i];
719
720 if (!channel->tty_registered)
721 continue;
722
723 tty_unregister_device(ipoctal->tty_drv, i);
724 tty_port_free_xmit_buf(&channel->tty_port);
725 tty_port_destroy(&channel->tty_port);
726 }
727
728 tty_unregister_driver(ipoctal->tty_drv);
729 kfree(ipoctal->tty_drv->name);
730 tty_driver_kref_put(ipoctal->tty_drv);
731 kfree(ipoctal);
732}
733
734static void ipoctal_remove(struct ipack_device *idev)
735{
736 __ipoctal_remove(dev_get_drvdata(&idev->dev));
737}
738
739static DEFINE_IPACK_DEVICE_TABLE(ipoctal_ids) = {
740 { IPACK_DEVICE(IPACK_ID_VERSION_1, IPACK1_VENDOR_ID_SBS,
741 IPACK1_DEVICE_ID_SBS_OCTAL_232) },
742 { IPACK_DEVICE(IPACK_ID_VERSION_1, IPACK1_VENDOR_ID_SBS,
743 IPACK1_DEVICE_ID_SBS_OCTAL_422) },
744 { IPACK_DEVICE(IPACK_ID_VERSION_1, IPACK1_VENDOR_ID_SBS,
745 IPACK1_DEVICE_ID_SBS_OCTAL_485) },
746 { 0, },
747};
748
749MODULE_DEVICE_TABLE(ipack, ipoctal_ids);
750
751static const struct ipack_driver_ops ipoctal_drv_ops = {
752 .probe = ipoctal_probe,
753 .remove = ipoctal_remove,
754};
755
756static struct ipack_driver driver = {
757 .ops = &ipoctal_drv_ops,
758 .id_table = ipoctal_ids,
759};
760
761static int __init ipoctal_init(void)
762{
763 return ipack_driver_register(&driver, THIS_MODULE, KBUILD_MODNAME);
764}
765
766static void __exit ipoctal_exit(void)
767{
768 ipack_driver_unregister(&driver);
769}
770
771MODULE_DESCRIPTION("IP-Octal 232, 422 and 485 device driver");
772MODULE_LICENSE("GPL");
773
774module_init(ipoctal_init);
775module_exit(ipoctal_exit);
776
