1 /**
2 * tpci200.c
3 *
4 * driver for the TEWS TPCI-200 device
5 *
6 * Copyright (C) 2009-2012 CERN (www.cern.ch)
7 * Author: Nicolas Serafini, EIC2 SA
8 * Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the Free
12 * Software Foundation; version 2 of the License.
13 */
14
15 #include <linux/module.h>
16 #include <linux/slab.h>
17 #include "tpci200.h"
18
19 static const u16 tpci200_status_timeout[] = {
20 TPCI200_A_TIMEOUT,
21 TPCI200_B_TIMEOUT,
22 TPCI200_C_TIMEOUT,
23 TPCI200_D_TIMEOUT,
24 };
25
26 static const u16 tpci200_status_error[] = {
27 TPCI200_A_ERROR,
28 TPCI200_B_ERROR,
29 TPCI200_C_ERROR,
30 TPCI200_D_ERROR,
31 };
32
33 static const size_t tpci200_space_size[IPACK_SPACE_COUNT] = {
34 [IPACK_IO_SPACE] = TPCI200_IO_SPACE_SIZE,
35 [IPACK_ID_SPACE] = TPCI200_ID_SPACE_SIZE,
36 [IPACK_INT_SPACE] = TPCI200_INT_SPACE_SIZE,
37 [IPACK_MEM8_SPACE] = TPCI200_MEM8_SPACE_SIZE,
38 [IPACK_MEM16_SPACE] = TPCI200_MEM16_SPACE_SIZE,
39 };
40
41 static const size_t tpci200_space_interval[IPACK_SPACE_COUNT] = {
42 [IPACK_IO_SPACE] = TPCI200_IO_SPACE_INTERVAL,
43 [IPACK_ID_SPACE] = TPCI200_ID_SPACE_INTERVAL,
44 [IPACK_INT_SPACE] = TPCI200_INT_SPACE_INTERVAL,
45 [IPACK_MEM8_SPACE] = TPCI200_MEM8_SPACE_INTERVAL,
46 [IPACK_MEM16_SPACE] = TPCI200_MEM16_SPACE_INTERVAL,
47 };
48
check_slot(struct ipack_device * dev)49 static struct tpci200_board *check_slot(struct ipack_device *dev)
50 {
51 struct tpci200_board *tpci200;
52
53 if (dev == NULL)
54 return NULL;
55
56
57 tpci200 = dev_get_drvdata(dev->bus->parent);
58
59 if (tpci200 == NULL) {
60 dev_info(&dev->dev, "carrier board not found\n");
61 return NULL;
62 }
63
64 if (dev->slot >= TPCI200_NB_SLOT) {
65 dev_info(&dev->dev,
66 "Slot [%d:%d] doesn't exist! Last tpci200 slot is %d.\n",
67 dev->bus->bus_nr, dev->slot, TPCI200_NB_SLOT-1);
68 return NULL;
69 }
70
71 return tpci200;
72 }
73
tpci200_clear_mask(struct tpci200_board * tpci200,__le16 __iomem * addr,u16 mask)74 static void tpci200_clear_mask(struct tpci200_board *tpci200,
75 __le16 __iomem *addr, u16 mask)
76 {
77 unsigned long flags;
78 spin_lock_irqsave(&tpci200->regs_lock, flags);
79 iowrite16(ioread16(addr) & (~mask), addr);
80 spin_unlock_irqrestore(&tpci200->regs_lock, flags);
81 }
82
tpci200_set_mask(struct tpci200_board * tpci200,__le16 __iomem * addr,u16 mask)83 static void tpci200_set_mask(struct tpci200_board *tpci200,
84 __le16 __iomem *addr, u16 mask)
85 {
86 unsigned long flags;
87 spin_lock_irqsave(&tpci200->regs_lock, flags);
88 iowrite16(ioread16(addr) | mask, addr);
89 spin_unlock_irqrestore(&tpci200->regs_lock, flags);
90 }
91
tpci200_unregister(struct tpci200_board * tpci200)92 static void tpci200_unregister(struct tpci200_board *tpci200)
93 {
94 free_irq(tpci200->info->pdev->irq, (void *) tpci200);
95
96 pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
97 pci_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs);
98
99 pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
100 pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
101 pci_release_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR);
102 pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
103 pci_release_region(tpci200->info->pdev, TPCI200_CFG_MEM_BAR);
104
105 pci_disable_device(tpci200->info->pdev);
106 pci_dev_put(tpci200->info->pdev);
107 }
108
tpci200_enable_irq(struct tpci200_board * tpci200,int islot)109 static void tpci200_enable_irq(struct tpci200_board *tpci200,
110 int islot)
111 {
112 tpci200_set_mask(tpci200,
113 &tpci200->info->interface_regs->control[islot],
114 TPCI200_INT0_EN | TPCI200_INT1_EN);
115 }
116
tpci200_disable_irq(struct tpci200_board * tpci200,int islot)117 static void tpci200_disable_irq(struct tpci200_board *tpci200,
118 int islot)
119 {
120 tpci200_clear_mask(tpci200,
121 &tpci200->info->interface_regs->control[islot],
122 TPCI200_INT0_EN | TPCI200_INT1_EN);
123 }
124
tpci200_slot_irq(struct slot_irq * slot_irq)125 static irqreturn_t tpci200_slot_irq(struct slot_irq *slot_irq)
126 {
127 irqreturn_t ret;
128
129 if (!slot_irq)
130 return -ENODEV;
131 ret = slot_irq->handler(slot_irq->arg);
132
133 return ret;
134 }
135
tpci200_interrupt(int irq,void * dev_id)136 static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
137 {
138 struct tpci200_board *tpci200 = (struct tpci200_board *) dev_id;
139 struct slot_irq *slot_irq;
140 irqreturn_t ret;
141 u16 status_reg;
142 int i;
143
144 /* Read status register */
145 status_reg = ioread16(&tpci200->info->interface_regs->status);
146
147 /* Did we cause the interrupt? */
148 if (!(status_reg & TPCI200_SLOT_INT_MASK))
149 return IRQ_NONE;
150
151 /* callback to the IRQ handler for the corresponding slot */
152 rcu_read_lock();
153 for (i = 0; i < TPCI200_NB_SLOT; i++) {
154 if (!(status_reg & ((TPCI200_A_INT0 | TPCI200_A_INT1) << (2 * i))))
155 continue;
156 slot_irq = rcu_dereference(tpci200->slots[i].irq);
157 ret = tpci200_slot_irq(slot_irq);
158 if (ret == -ENODEV) {
159 dev_info(&tpci200->info->pdev->dev,
160 "No registered ISR for slot [%d:%d]!. IRQ will be disabled.\n",
161 tpci200->number, i);
162 tpci200_disable_irq(tpci200, i);
163 }
164 }
165 rcu_read_unlock();
166
167 return IRQ_HANDLED;
168 }
169
tpci200_free_irq(struct ipack_device * dev)170 static int tpci200_free_irq(struct ipack_device *dev)
171 {
172 struct slot_irq *slot_irq;
173 struct tpci200_board *tpci200;
174
175 tpci200 = check_slot(dev);
176 if (tpci200 == NULL)
177 return -EINVAL;
178
179 if (mutex_lock_interruptible(&tpci200->mutex))
180 return -ERESTARTSYS;
181
182 if (tpci200->slots[dev->slot].irq == NULL) {
183 mutex_unlock(&tpci200->mutex);
184 return -EINVAL;
185 }
186
187 tpci200_disable_irq(tpci200, dev->slot);
188 slot_irq = tpci200->slots[dev->slot].irq;
189 /* uninstall handler */
190 RCU_INIT_POINTER(tpci200->slots[dev->slot].irq, NULL);
191 synchronize_rcu();
192 kfree(slot_irq);
193 mutex_unlock(&tpci200->mutex);
194 return 0;
195 }
196
tpci200_request_irq(struct ipack_device * dev,irqreturn_t (* handler)(void *),void * arg)197 static int tpci200_request_irq(struct ipack_device *dev,
198 irqreturn_t (*handler)(void *), void *arg)
199 {
200 int res = 0;
201 struct slot_irq *slot_irq;
202 struct tpci200_board *tpci200;
203
204 tpci200 = check_slot(dev);
205 if (tpci200 == NULL)
206 return -EINVAL;
207
208 if (mutex_lock_interruptible(&tpci200->mutex))
209 return -ERESTARTSYS;
210
211 if (tpci200->slots[dev->slot].irq != NULL) {
212 dev_err(&dev->dev,
213 "Slot [%d:%d] IRQ already registered !\n",
214 dev->bus->bus_nr,
215 dev->slot);
216 res = -EINVAL;
217 goto out_unlock;
218 }
219
220 slot_irq = kzalloc(sizeof(struct slot_irq), GFP_KERNEL);
221 if (slot_irq == NULL) {
222 dev_err(&dev->dev,
223 "Slot [%d:%d] unable to allocate memory for IRQ !\n",
224 dev->bus->bus_nr, dev->slot);
225 res = -ENOMEM;
226 goto out_unlock;
227 }
228
229 /*
230 * WARNING: Setup Interrupt Vector in the IndustryPack device
231 * before an IRQ request.
232 * Read the User Manual of your IndustryPack device to know
233 * where to write the vector in memory.
234 */
235 slot_irq->handler = handler;
236 slot_irq->arg = arg;
237 slot_irq->holder = dev;
238
239 rcu_assign_pointer(tpci200->slots[dev->slot].irq, slot_irq);
240 tpci200_enable_irq(tpci200, dev->slot);
241
242 out_unlock:
243 mutex_unlock(&tpci200->mutex);
244 return res;
245 }
246
tpci200_register(struct tpci200_board * tpci200)247 static int tpci200_register(struct tpci200_board *tpci200)
248 {
249 int i;
250 int res;
251 phys_addr_t ioidint_base;
252 unsigned short slot_ctrl;
253
254 if (pci_enable_device(tpci200->info->pdev) < 0)
255 return -ENODEV;
256
257 /* Request IP interface register (Bar 2) */
258 res = pci_request_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR,
259 "Carrier IP interface registers");
260 if (res) {
261 dev_err(&tpci200->info->pdev->dev,
262 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 2 !",
263 tpci200->info->pdev->bus->number,
264 tpci200->info->pdev->devfn);
265 goto out_disable_pci;
266 }
267
268 /* Request IO ID INT space (Bar 3) */
269 res = pci_request_region(tpci200->info->pdev,
270 TPCI200_IO_ID_INT_SPACES_BAR,
271 "Carrier IO ID INT space");
272 if (res) {
273 dev_err(&tpci200->info->pdev->dev,
274 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 3 !",
275 tpci200->info->pdev->bus->number,
276 tpci200->info->pdev->devfn);
277 goto out_release_ip_space;
278 }
279
280 /* Request MEM8 space (Bar 5) */
281 res = pci_request_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR,
282 "Carrier MEM8 space");
283 if (res) {
284 dev_err(&tpci200->info->pdev->dev,
285 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 5!",
286 tpci200->info->pdev->bus->number,
287 tpci200->info->pdev->devfn);
288 goto out_release_ioid_int_space;
289 }
290
291 /* Request MEM16 space (Bar 4) */
292 res = pci_request_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR,
293 "Carrier MEM16 space");
294 if (res) {
295 dev_err(&tpci200->info->pdev->dev,
296 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 4!",
297 tpci200->info->pdev->bus->number,
298 tpci200->info->pdev->devfn);
299 goto out_release_mem8_space;
300 }
301
302 /* Map internal tpci200 driver user space */
303 tpci200->info->interface_regs =
304 ioremap_nocache(pci_resource_start(tpci200->info->pdev,
305 TPCI200_IP_INTERFACE_BAR),
306 TPCI200_IFACE_SIZE);
307 if (!tpci200->info->interface_regs) {
308 dev_err(&tpci200->info->pdev->dev,
309 "(bn 0x%X, sn 0x%X) failed to map driver user space!",
310 tpci200->info->pdev->bus->number,
311 tpci200->info->pdev->devfn);
312 res = -ENOMEM;
313 goto out_release_mem8_space;
314 }
315
316 /* Initialize lock that protects interface_regs */
317 spin_lock_init(&tpci200->regs_lock);
318
319 ioidint_base = pci_resource_start(tpci200->info->pdev,
320 TPCI200_IO_ID_INT_SPACES_BAR);
321 tpci200->mod_mem[IPACK_IO_SPACE] = ioidint_base + TPCI200_IO_SPACE_OFF;
322 tpci200->mod_mem[IPACK_ID_SPACE] = ioidint_base + TPCI200_ID_SPACE_OFF;
323 tpci200->mod_mem[IPACK_INT_SPACE] =
324 ioidint_base + TPCI200_INT_SPACE_OFF;
325 tpci200->mod_mem[IPACK_MEM8_SPACE] =
326 pci_resource_start(tpci200->info->pdev,
327 TPCI200_MEM8_SPACE_BAR);
328 tpci200->mod_mem[IPACK_MEM16_SPACE] =
329 pci_resource_start(tpci200->info->pdev,
330 TPCI200_MEM16_SPACE_BAR);
331
332 /* Set the default parameters of the slot
333 * INT0 disabled, level sensitive
334 * INT1 disabled, level sensitive
335 * error interrupt disabled
336 * timeout interrupt disabled
337 * recover time disabled
338 * clock rate 8 MHz
339 */
340 slot_ctrl = 0;
341 for (i = 0; i < TPCI200_NB_SLOT; i++)
342 writew(slot_ctrl, &tpci200->info->interface_regs->control[i]);
343
344 res = request_irq(tpci200->info->pdev->irq,
345 tpci200_interrupt, IRQF_SHARED,
346 KBUILD_MODNAME, (void *) tpci200);
347 if (res) {
348 dev_err(&tpci200->info->pdev->dev,
349 "(bn 0x%X, sn 0x%X) unable to register IRQ !",
350 tpci200->info->pdev->bus->number,
351 tpci200->info->pdev->devfn);
352 goto out_release_ioid_int_space;
353 }
354
355 return 0;
356
357 out_release_mem8_space:
358 pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
359 out_release_ioid_int_space:
360 pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
361 out_release_ip_space:
362 pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
363 out_disable_pci:
364 pci_disable_device(tpci200->info->pdev);
365 return res;
366 }
367
tpci200_get_clockrate(struct ipack_device * dev)368 static int tpci200_get_clockrate(struct ipack_device *dev)
369 {
370 struct tpci200_board *tpci200 = check_slot(dev);
371 __le16 __iomem *addr;
372
373 if (!tpci200)
374 return -ENODEV;
375
376 addr = &tpci200->info->interface_regs->control[dev->slot];
377 return (ioread16(addr) & TPCI200_CLK32) ? 32 : 8;
378 }
379
tpci200_set_clockrate(struct ipack_device * dev,int mherz)380 static int tpci200_set_clockrate(struct ipack_device *dev, int mherz)
381 {
382 struct tpci200_board *tpci200 = check_slot(dev);
383 __le16 __iomem *addr;
384
385 if (!tpci200)
386 return -ENODEV;
387
388 addr = &tpci200->info->interface_regs->control[dev->slot];
389
390 switch (mherz) {
391 case 8:
392 tpci200_clear_mask(tpci200, addr, TPCI200_CLK32);
393 break;
394 case 32:
395 tpci200_set_mask(tpci200, addr, TPCI200_CLK32);
396 break;
397 default:
398 return -EINVAL;
399 }
400 return 0;
401 }
402
tpci200_get_error(struct ipack_device * dev)403 static int tpci200_get_error(struct ipack_device *dev)
404 {
405 struct tpci200_board *tpci200 = check_slot(dev);
406 __le16 __iomem *addr;
407 u16 mask;
408
409 if (!tpci200)
410 return -ENODEV;
411
412 addr = &tpci200->info->interface_regs->status;
413 mask = tpci200_status_error[dev->slot];
414 return (ioread16(addr) & mask) ? 1 : 0;
415 }
416
tpci200_get_timeout(struct ipack_device * dev)417 static int tpci200_get_timeout(struct ipack_device *dev)
418 {
419 struct tpci200_board *tpci200 = check_slot(dev);
420 __le16 __iomem *addr;
421 u16 mask;
422
423 if (!tpci200)
424 return -ENODEV;
425
426 addr = &tpci200->info->interface_regs->status;
427 mask = tpci200_status_timeout[dev->slot];
428
429 return (ioread16(addr) & mask) ? 1 : 0;
430 }
431
tpci200_reset_timeout(struct ipack_device * dev)432 static int tpci200_reset_timeout(struct ipack_device *dev)
433 {
434 struct tpci200_board *tpci200 = check_slot(dev);
435 __le16 __iomem *addr;
436 u16 mask;
437
438 if (!tpci200)
439 return -ENODEV;
440
441 addr = &tpci200->info->interface_regs->status;
442 mask = tpci200_status_timeout[dev->slot];
443
444 iowrite16(mask, addr);
445 return 0;
446 }
447
tpci200_uninstall(struct tpci200_board * tpci200)448 static void tpci200_uninstall(struct tpci200_board *tpci200)
449 {
450 tpci200_unregister(tpci200);
451 kfree(tpci200->slots);
452 }
453
454 static const struct ipack_bus_ops tpci200_bus_ops = {
455 .request_irq = tpci200_request_irq,
456 .free_irq = tpci200_free_irq,
457 .get_clockrate = tpci200_get_clockrate,
458 .set_clockrate = tpci200_set_clockrate,
459 .get_error = tpci200_get_error,
460 .get_timeout = tpci200_get_timeout,
461 .reset_timeout = tpci200_reset_timeout,
462 };
463
tpci200_install(struct tpci200_board * tpci200)464 static int tpci200_install(struct tpci200_board *tpci200)
465 {
466 int res;
467
468 tpci200->slots = kcalloc(TPCI200_NB_SLOT, sizeof(struct tpci200_slot),
469 GFP_KERNEL);
470 if (tpci200->slots == NULL)
471 return -ENOMEM;
472
473 res = tpci200_register(tpci200);
474 if (res) {
475 kfree(tpci200->slots);
476 tpci200->slots = NULL;
477 return res;
478 }
479
480 mutex_init(&tpci200->mutex);
481 return 0;
482 }
483
tpci200_release_device(struct ipack_device * dev)484 static void tpci200_release_device(struct ipack_device *dev)
485 {
486 kfree(dev);
487 }
488
tpci200_create_device(struct tpci200_board * tpci200,int i)489 static int tpci200_create_device(struct tpci200_board *tpci200, int i)
490 {
491 int ret;
492 enum ipack_space space;
493 struct ipack_device *dev =
494 kzalloc(sizeof(struct ipack_device), GFP_KERNEL);
495 if (!dev)
496 return -ENOMEM;
497 dev->slot = i;
498 dev->bus = tpci200->info->ipack_bus;
499 dev->release = tpci200_release_device;
500
501 for (space = 0; space < IPACK_SPACE_COUNT; space++) {
502 dev->region[space].start =
503 tpci200->mod_mem[space]
504 + tpci200_space_interval[space] * i;
505 dev->region[space].size = tpci200_space_size[space];
506 }
507
508 ret = ipack_device_init(dev);
509 if (ret < 0) {
510 ipack_put_device(dev);
511 return ret;
512 }
513
514 ret = ipack_device_add(dev);
515 if (ret < 0)
516 ipack_put_device(dev);
517
518 return ret;
519 }
520
tpci200_pci_probe(struct pci_dev * pdev,const struct pci_device_id * id)521 static int tpci200_pci_probe(struct pci_dev *pdev,
522 const struct pci_device_id *id)
523 {
524 int ret, i;
525 struct tpci200_board *tpci200;
526 u32 reg32;
527
528 tpci200 = kzalloc(sizeof(struct tpci200_board), GFP_KERNEL);
529 if (!tpci200)
530 return -ENOMEM;
531
532 tpci200->info = kzalloc(sizeof(struct tpci200_infos), GFP_KERNEL);
533 if (!tpci200->info) {
534 ret = -ENOMEM;
535 goto out_err_info;
536 }
537
538 pci_dev_get(pdev);
539
540 /* Obtain a mapping of the carrier's PCI configuration registers */
541 ret = pci_request_region(pdev, TPCI200_CFG_MEM_BAR,
542 KBUILD_MODNAME " Configuration Memory");
543 if (ret) {
544 dev_err(&pdev->dev, "Failed to allocate PCI Configuration Memory");
545 ret = -EBUSY;
546 goto out_err_pci_request;
547 }
548 tpci200->info->cfg_regs = ioremap_nocache(
549 pci_resource_start(pdev, TPCI200_CFG_MEM_BAR),
550 pci_resource_len(pdev, TPCI200_CFG_MEM_BAR));
551 if (!tpci200->info->cfg_regs) {
552 dev_err(&pdev->dev, "Failed to map PCI Configuration Memory");
553 ret = -EFAULT;
554 goto out_err_ioremap;
555 }
556
557 /* Disable byte swapping for 16 bit IP module access. This will ensure
558 * that the Industrypack big endian byte order is preserved by the
559 * carrier. */
560 reg32 = ioread32(tpci200->info->cfg_regs + LAS1_DESC);
561 reg32 |= 1 << LAS_BIT_BIGENDIAN;
562 iowrite32(reg32, tpci200->info->cfg_regs + LAS1_DESC);
563
564 reg32 = ioread32(tpci200->info->cfg_regs + LAS2_DESC);
565 reg32 |= 1 << LAS_BIT_BIGENDIAN;
566 iowrite32(reg32, tpci200->info->cfg_regs + LAS2_DESC);
567
568 /* Save struct pci_dev pointer */
569 tpci200->info->pdev = pdev;
570 tpci200->info->id_table = (struct pci_device_id *)id;
571
572 /* register the device and initialize it */
573 ret = tpci200_install(tpci200);
574 if (ret) {
575 dev_err(&pdev->dev, "error during tpci200 install\n");
576 ret = -ENODEV;
577 goto out_err_install;
578 }
579
580 /* Register the carrier in the industry pack bus driver */
581 tpci200->info->ipack_bus = ipack_bus_register(&pdev->dev,
582 TPCI200_NB_SLOT,
583 &tpci200_bus_ops,
584 THIS_MODULE);
585 if (!tpci200->info->ipack_bus) {
586 dev_err(&pdev->dev,
587 "error registering the carrier on ipack driver\n");
588 ret = -EFAULT;
589 goto out_err_bus_register;
590 }
591
592 /* save the bus number given by ipack to logging purpose */
593 tpci200->number = tpci200->info->ipack_bus->bus_nr;
594 dev_set_drvdata(&pdev->dev, tpci200);
595
596 for (i = 0; i < TPCI200_NB_SLOT; i++)
597 tpci200_create_device(tpci200, i);
598 return 0;
599
600 out_err_bus_register:
601 tpci200_uninstall(tpci200);
602 out_err_install:
603 iounmap(tpci200->info->cfg_regs);
604 out_err_ioremap:
605 pci_release_region(pdev, TPCI200_CFG_MEM_BAR);
606 out_err_pci_request:
607 pci_dev_put(pdev);
608 kfree(tpci200->info);
609 out_err_info:
610 kfree(tpci200);
611 return ret;
612 }
613
__tpci200_pci_remove(struct tpci200_board * tpci200)614 static void __tpci200_pci_remove(struct tpci200_board *tpci200)
615 {
616 ipack_bus_unregister(tpci200->info->ipack_bus);
617 tpci200_uninstall(tpci200);
618
619 kfree(tpci200->info);
620 kfree(tpci200);
621 }
622
tpci200_pci_remove(struct pci_dev * dev)623 static void tpci200_pci_remove(struct pci_dev *dev)
624 {
625 struct tpci200_board *tpci200 = pci_get_drvdata(dev);
626
627 __tpci200_pci_remove(tpci200);
628 }
629
630 static const struct pci_device_id tpci200_idtable[] = {
631 { TPCI200_VENDOR_ID, TPCI200_DEVICE_ID, TPCI200_SUBVENDOR_ID,
632 TPCI200_SUBDEVICE_ID },
633 { 0, },
634 };
635
636 MODULE_DEVICE_TABLE(pci, tpci200_idtable);
637
638 static struct pci_driver tpci200_pci_drv = {
639 .name = "tpci200",
640 .id_table = tpci200_idtable,
641 .probe = tpci200_pci_probe,
642 .remove = tpci200_pci_remove,
643 };
644
645 module_pci_driver(tpci200_pci_drv);
646
647 MODULE_DESCRIPTION("TEWS TPCI-200 device driver");
648 MODULE_LICENSE("GPL");
649