1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * driver for the TEWS TPCI-200 device
4 *
5 * Copyright (C) 2009-2012 CERN (www.cern.ch)
6 * Author: Nicolas Serafini, EIC2 SA
7 * Author: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
8 */
9
10 #include <linux/module.h>
11 #include <linux/slab.h>
12 #include "tpci200.h"
13
14 static const u16 tpci200_status_timeout[] = {
15 TPCI200_A_TIMEOUT,
16 TPCI200_B_TIMEOUT,
17 TPCI200_C_TIMEOUT,
18 TPCI200_D_TIMEOUT,
19 };
20
21 static const u16 tpci200_status_error[] = {
22 TPCI200_A_ERROR,
23 TPCI200_B_ERROR,
24 TPCI200_C_ERROR,
25 TPCI200_D_ERROR,
26 };
27
28 static const size_t tpci200_space_size[IPACK_SPACE_COUNT] = {
29 [IPACK_IO_SPACE] = TPCI200_IO_SPACE_SIZE,
30 [IPACK_ID_SPACE] = TPCI200_ID_SPACE_SIZE,
31 [IPACK_INT_SPACE] = TPCI200_INT_SPACE_SIZE,
32 [IPACK_MEM8_SPACE] = TPCI200_MEM8_SPACE_SIZE,
33 [IPACK_MEM16_SPACE] = TPCI200_MEM16_SPACE_SIZE,
34 };
35
36 static const size_t tpci200_space_interval[IPACK_SPACE_COUNT] = {
37 [IPACK_IO_SPACE] = TPCI200_IO_SPACE_INTERVAL,
38 [IPACK_ID_SPACE] = TPCI200_ID_SPACE_INTERVAL,
39 [IPACK_INT_SPACE] = TPCI200_INT_SPACE_INTERVAL,
40 [IPACK_MEM8_SPACE] = TPCI200_MEM8_SPACE_INTERVAL,
41 [IPACK_MEM16_SPACE] = TPCI200_MEM16_SPACE_INTERVAL,
42 };
43
check_slot(struct ipack_device * dev)44 static struct tpci200_board *check_slot(struct ipack_device *dev)
45 {
46 struct tpci200_board *tpci200;
47
48 if (dev == NULL)
49 return NULL;
50
51
52 tpci200 = dev_get_drvdata(dev->bus->parent);
53
54 if (tpci200 == NULL) {
55 dev_info(&dev->dev, "carrier board not found\n");
56 return NULL;
57 }
58
59 if (dev->slot >= TPCI200_NB_SLOT) {
60 dev_info(&dev->dev,
61 "Slot [%d:%d] doesn't exist! Last tpci200 slot is %d.\n",
62 dev->bus->bus_nr, dev->slot, TPCI200_NB_SLOT-1);
63 return NULL;
64 }
65
66 return tpci200;
67 }
68
tpci200_clear_mask(struct tpci200_board * tpci200,__le16 __iomem * addr,u16 mask)69 static void tpci200_clear_mask(struct tpci200_board *tpci200,
70 __le16 __iomem *addr, u16 mask)
71 {
72 unsigned long flags;
73 spin_lock_irqsave(&tpci200->regs_lock, flags);
74 iowrite16(ioread16(addr) & (~mask), addr);
75 spin_unlock_irqrestore(&tpci200->regs_lock, flags);
76 }
77
tpci200_set_mask(struct tpci200_board * tpci200,__le16 __iomem * addr,u16 mask)78 static void tpci200_set_mask(struct tpci200_board *tpci200,
79 __le16 __iomem *addr, u16 mask)
80 {
81 unsigned long flags;
82 spin_lock_irqsave(&tpci200->regs_lock, flags);
83 iowrite16(ioread16(addr) | mask, addr);
84 spin_unlock_irqrestore(&tpci200->regs_lock, flags);
85 }
86
tpci200_unregister(struct tpci200_board * tpci200)87 static void tpci200_unregister(struct tpci200_board *tpci200)
88 {
89 free_irq(tpci200->info->pdev->irq, (void *) tpci200);
90
91 pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
92
93 pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
94 pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
95 pci_release_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR);
96 pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
97
98 pci_disable_device(tpci200->info->pdev);
99 }
100
tpci200_enable_irq(struct tpci200_board * tpci200,int islot)101 static void tpci200_enable_irq(struct tpci200_board *tpci200,
102 int islot)
103 {
104 tpci200_set_mask(tpci200,
105 &tpci200->info->interface_regs->control[islot],
106 TPCI200_INT0_EN | TPCI200_INT1_EN);
107 }
108
tpci200_disable_irq(struct tpci200_board * tpci200,int islot)109 static void tpci200_disable_irq(struct tpci200_board *tpci200,
110 int islot)
111 {
112 tpci200_clear_mask(tpci200,
113 &tpci200->info->interface_regs->control[islot],
114 TPCI200_INT0_EN | TPCI200_INT1_EN);
115 }
116
tpci200_slot_irq(struct slot_irq * slot_irq)117 static irqreturn_t tpci200_slot_irq(struct slot_irq *slot_irq)
118 {
119 irqreturn_t ret;
120
121 if (!slot_irq)
122 return -ENODEV;
123 ret = slot_irq->handler(slot_irq->arg);
124
125 return ret;
126 }
127
tpci200_interrupt(int irq,void * dev_id)128 static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
129 {
130 struct tpci200_board *tpci200 = (struct tpci200_board *) dev_id;
131 struct slot_irq *slot_irq;
132 irqreturn_t ret;
133 u16 status_reg;
134 int i;
135
136 /* Read status register */
137 status_reg = ioread16(&tpci200->info->interface_regs->status);
138
139 /* Did we cause the interrupt? */
140 if (!(status_reg & TPCI200_SLOT_INT_MASK))
141 return IRQ_NONE;
142
143 /* callback to the IRQ handler for the corresponding slot */
144 rcu_read_lock();
145 for (i = 0; i < TPCI200_NB_SLOT; i++) {
146 if (!(status_reg & ((TPCI200_A_INT0 | TPCI200_A_INT1) << (2 * i))))
147 continue;
148 slot_irq = rcu_dereference(tpci200->slots[i].irq);
149 ret = tpci200_slot_irq(slot_irq);
150 if (ret == -ENODEV) {
151 dev_info(&tpci200->info->pdev->dev,
152 "No registered ISR for slot [%d:%d]!. IRQ will be disabled.\n",
153 tpci200->number, i);
154 tpci200_disable_irq(tpci200, i);
155 }
156 }
157 rcu_read_unlock();
158
159 return IRQ_HANDLED;
160 }
161
tpci200_free_irq(struct ipack_device * dev)162 static int tpci200_free_irq(struct ipack_device *dev)
163 {
164 struct slot_irq *slot_irq;
165 struct tpci200_board *tpci200;
166
167 tpci200 = check_slot(dev);
168 if (tpci200 == NULL)
169 return -EINVAL;
170
171 if (mutex_lock_interruptible(&tpci200->mutex))
172 return -ERESTARTSYS;
173
174 if (tpci200->slots[dev->slot].irq == NULL) {
175 mutex_unlock(&tpci200->mutex);
176 return -EINVAL;
177 }
178
179 tpci200_disable_irq(tpci200, dev->slot);
180 slot_irq = tpci200->slots[dev->slot].irq;
181 /* uninstall handler */
182 RCU_INIT_POINTER(tpci200->slots[dev->slot].irq, NULL);
183 synchronize_rcu();
184 kfree(slot_irq);
185 mutex_unlock(&tpci200->mutex);
186 return 0;
187 }
188
tpci200_request_irq(struct ipack_device * dev,irqreturn_t (* handler)(void *),void * arg)189 static int tpci200_request_irq(struct ipack_device *dev,
190 irqreturn_t (*handler)(void *), void *arg)
191 {
192 int res = 0;
193 struct slot_irq *slot_irq;
194 struct tpci200_board *tpci200;
195
196 tpci200 = check_slot(dev);
197 if (tpci200 == NULL)
198 return -EINVAL;
199
200 if (mutex_lock_interruptible(&tpci200->mutex))
201 return -ERESTARTSYS;
202
203 if (tpci200->slots[dev->slot].irq != NULL) {
204 dev_err(&dev->dev,
205 "Slot [%d:%d] IRQ already registered !\n",
206 dev->bus->bus_nr,
207 dev->slot);
208 res = -EINVAL;
209 goto out_unlock;
210 }
211
212 slot_irq = kzalloc(sizeof(struct slot_irq), GFP_KERNEL);
213 if (slot_irq == NULL) {
214 dev_err(&dev->dev,
215 "Slot [%d:%d] unable to allocate memory for IRQ !\n",
216 dev->bus->bus_nr, dev->slot);
217 res = -ENOMEM;
218 goto out_unlock;
219 }
220
221 /*
222 * WARNING: Setup Interrupt Vector in the IndustryPack device
223 * before an IRQ request.
224 * Read the User Manual of your IndustryPack device to know
225 * where to write the vector in memory.
226 */
227 slot_irq->handler = handler;
228 slot_irq->arg = arg;
229 slot_irq->holder = dev;
230
231 rcu_assign_pointer(tpci200->slots[dev->slot].irq, slot_irq);
232 tpci200_enable_irq(tpci200, dev->slot);
233
234 out_unlock:
235 mutex_unlock(&tpci200->mutex);
236 return res;
237 }
238
tpci200_register(struct tpci200_board * tpci200)239 static int tpci200_register(struct tpci200_board *tpci200)
240 {
241 int i;
242 int res;
243 phys_addr_t ioidint_base;
244 unsigned short slot_ctrl;
245
246 if (pci_enable_device(tpci200->info->pdev) < 0)
247 return -ENODEV;
248
249 /* Request IP interface register (Bar 2) */
250 res = pci_request_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR,
251 "Carrier IP interface registers");
252 if (res) {
253 dev_err(&tpci200->info->pdev->dev,
254 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 2 !",
255 tpci200->info->pdev->bus->number,
256 tpci200->info->pdev->devfn);
257 goto err_disable_device;
258 }
259
260 /* Request IO ID INT space (Bar 3) */
261 res = pci_request_region(tpci200->info->pdev,
262 TPCI200_IO_ID_INT_SPACES_BAR,
263 "Carrier IO ID INT space");
264 if (res) {
265 dev_err(&tpci200->info->pdev->dev,
266 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 3 !",
267 tpci200->info->pdev->bus->number,
268 tpci200->info->pdev->devfn);
269 goto err_ip_interface_bar;
270 }
271
272 /* Request MEM8 space (Bar 5) */
273 res = pci_request_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR,
274 "Carrier MEM8 space");
275 if (res) {
276 dev_err(&tpci200->info->pdev->dev,
277 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 5!",
278 tpci200->info->pdev->bus->number,
279 tpci200->info->pdev->devfn);
280 goto err_io_id_int_spaces_bar;
281 }
282
283 /* Request MEM16 space (Bar 4) */
284 res = pci_request_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR,
285 "Carrier MEM16 space");
286 if (res) {
287 dev_err(&tpci200->info->pdev->dev,
288 "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 4!",
289 tpci200->info->pdev->bus->number,
290 tpci200->info->pdev->devfn);
291 goto err_mem8_space_bar;
292 }
293
294 /* Map internal tpci200 driver user space */
295 tpci200->info->interface_regs =
296 ioremap(pci_resource_start(tpci200->info->pdev,
297 TPCI200_IP_INTERFACE_BAR),
298 TPCI200_IFACE_SIZE);
299 if (!tpci200->info->interface_regs) {
300 dev_err(&tpci200->info->pdev->dev,
301 "(bn 0x%X, sn 0x%X) failed to map driver user space!",
302 tpci200->info->pdev->bus->number,
303 tpci200->info->pdev->devfn);
304 res = -ENOMEM;
305 goto err_mem16_space_bar;
306 }
307
308 /* Initialize lock that protects interface_regs */
309 spin_lock_init(&tpci200->regs_lock);
310
311 ioidint_base = pci_resource_start(tpci200->info->pdev,
312 TPCI200_IO_ID_INT_SPACES_BAR);
313 tpci200->mod_mem[IPACK_IO_SPACE] = ioidint_base + TPCI200_IO_SPACE_OFF;
314 tpci200->mod_mem[IPACK_ID_SPACE] = ioidint_base + TPCI200_ID_SPACE_OFF;
315 tpci200->mod_mem[IPACK_INT_SPACE] =
316 ioidint_base + TPCI200_INT_SPACE_OFF;
317 tpci200->mod_mem[IPACK_MEM8_SPACE] =
318 pci_resource_start(tpci200->info->pdev,
319 TPCI200_MEM8_SPACE_BAR);
320 tpci200->mod_mem[IPACK_MEM16_SPACE] =
321 pci_resource_start(tpci200->info->pdev,
322 TPCI200_MEM16_SPACE_BAR);
323
324 /* Set the default parameters of the slot
325 * INT0 disabled, level sensitive
326 * INT1 disabled, level sensitive
327 * error interrupt disabled
328 * timeout interrupt disabled
329 * recover time disabled
330 * clock rate 8 MHz
331 */
332 slot_ctrl = 0;
333 for (i = 0; i < TPCI200_NB_SLOT; i++)
334 writew(slot_ctrl, &tpci200->info->interface_regs->control[i]);
335
336 res = request_irq(tpci200->info->pdev->irq,
337 tpci200_interrupt, IRQF_SHARED,
338 KBUILD_MODNAME, (void *) tpci200);
339 if (res) {
340 dev_err(&tpci200->info->pdev->dev,
341 "(bn 0x%X, sn 0x%X) unable to register IRQ !",
342 tpci200->info->pdev->bus->number,
343 tpci200->info->pdev->devfn);
344 goto err_interface_regs;
345 }
346
347 return 0;
348
349 err_interface_regs:
350 pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
351 err_mem16_space_bar:
352 pci_release_region(tpci200->info->pdev, TPCI200_MEM16_SPACE_BAR);
353 err_mem8_space_bar:
354 pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
355 err_io_id_int_spaces_bar:
356 pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
357 err_ip_interface_bar:
358 pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
359 err_disable_device:
360 pci_disable_device(tpci200->info->pdev);
361 return res;
362 }
363
tpci200_get_clockrate(struct ipack_device * dev)364 static int tpci200_get_clockrate(struct ipack_device *dev)
365 {
366 struct tpci200_board *tpci200 = check_slot(dev);
367 __le16 __iomem *addr;
368
369 if (!tpci200)
370 return -ENODEV;
371
372 addr = &tpci200->info->interface_regs->control[dev->slot];
373 return (ioread16(addr) & TPCI200_CLK32) ? 32 : 8;
374 }
375
tpci200_set_clockrate(struct ipack_device * dev,int mherz)376 static int tpci200_set_clockrate(struct ipack_device *dev, int mherz)
377 {
378 struct tpci200_board *tpci200 = check_slot(dev);
379 __le16 __iomem *addr;
380
381 if (!tpci200)
382 return -ENODEV;
383
384 addr = &tpci200->info->interface_regs->control[dev->slot];
385
386 switch (mherz) {
387 case 8:
388 tpci200_clear_mask(tpci200, addr, TPCI200_CLK32);
389 break;
390 case 32:
391 tpci200_set_mask(tpci200, addr, TPCI200_CLK32);
392 break;
393 default:
394 return -EINVAL;
395 }
396 return 0;
397 }
398
tpci200_get_error(struct ipack_device * dev)399 static int tpci200_get_error(struct ipack_device *dev)
400 {
401 struct tpci200_board *tpci200 = check_slot(dev);
402 __le16 __iomem *addr;
403 u16 mask;
404
405 if (!tpci200)
406 return -ENODEV;
407
408 addr = &tpci200->info->interface_regs->status;
409 mask = tpci200_status_error[dev->slot];
410 return (ioread16(addr) & mask) ? 1 : 0;
411 }
412
tpci200_get_timeout(struct ipack_device * dev)413 static int tpci200_get_timeout(struct ipack_device *dev)
414 {
415 struct tpci200_board *tpci200 = check_slot(dev);
416 __le16 __iomem *addr;
417 u16 mask;
418
419 if (!tpci200)
420 return -ENODEV;
421
422 addr = &tpci200->info->interface_regs->status;
423 mask = tpci200_status_timeout[dev->slot];
424
425 return (ioread16(addr) & mask) ? 1 : 0;
426 }
427
tpci200_reset_timeout(struct ipack_device * dev)428 static int tpci200_reset_timeout(struct ipack_device *dev)
429 {
430 struct tpci200_board *tpci200 = check_slot(dev);
431 __le16 __iomem *addr;
432 u16 mask;
433
434 if (!tpci200)
435 return -ENODEV;
436
437 addr = &tpci200->info->interface_regs->status;
438 mask = tpci200_status_timeout[dev->slot];
439
440 iowrite16(mask, addr);
441 return 0;
442 }
443
tpci200_uninstall(struct tpci200_board * tpci200)444 static void tpci200_uninstall(struct tpci200_board *tpci200)
445 {
446 tpci200_unregister(tpci200);
447 kfree(tpci200->slots);
448 }
449
450 static const struct ipack_bus_ops tpci200_bus_ops = {
451 .request_irq = tpci200_request_irq,
452 .free_irq = tpci200_free_irq,
453 .get_clockrate = tpci200_get_clockrate,
454 .set_clockrate = tpci200_set_clockrate,
455 .get_error = tpci200_get_error,
456 .get_timeout = tpci200_get_timeout,
457 .reset_timeout = tpci200_reset_timeout,
458 };
459
tpci200_install(struct tpci200_board * tpci200)460 static int tpci200_install(struct tpci200_board *tpci200)
461 {
462 int res;
463
464 tpci200->slots = kcalloc(TPCI200_NB_SLOT, sizeof(struct tpci200_slot),
465 GFP_KERNEL);
466 if (tpci200->slots == NULL)
467 return -ENOMEM;
468
469 res = tpci200_register(tpci200);
470 if (res) {
471 kfree(tpci200->slots);
472 tpci200->slots = NULL;
473 return res;
474 }
475
476 mutex_init(&tpci200->mutex);
477 return 0;
478 }
479
tpci200_release_device(struct ipack_device * dev)480 static void tpci200_release_device(struct ipack_device *dev)
481 {
482 kfree(dev);
483 }
484
tpci200_create_device(struct tpci200_board * tpci200,int i)485 static int tpci200_create_device(struct tpci200_board *tpci200, int i)
486 {
487 int ret;
488 enum ipack_space space;
489 struct ipack_device *dev =
490 kzalloc(sizeof(struct ipack_device), GFP_KERNEL);
491 if (!dev)
492 return -ENOMEM;
493 dev->slot = i;
494 dev->bus = tpci200->info->ipack_bus;
495 dev->release = tpci200_release_device;
496
497 for (space = 0; space < IPACK_SPACE_COUNT; space++) {
498 dev->region[space].start =
499 tpci200->mod_mem[space]
500 + tpci200_space_interval[space] * i;
501 dev->region[space].size = tpci200_space_size[space];
502 }
503
504 ret = ipack_device_init(dev);
505 if (ret < 0) {
506 ipack_put_device(dev);
507 return ret;
508 }
509
510 ret = ipack_device_add(dev);
511 if (ret < 0)
512 ipack_put_device(dev);
513
514 return ret;
515 }
516
tpci200_pci_probe(struct pci_dev * pdev,const struct pci_device_id * id)517 static int tpci200_pci_probe(struct pci_dev *pdev,
518 const struct pci_device_id *id)
519 {
520 int ret, i;
521 struct tpci200_board *tpci200;
522 u32 reg32;
523
524 tpci200 = kzalloc(sizeof(struct tpci200_board), GFP_KERNEL);
525 if (!tpci200)
526 return -ENOMEM;
527
528 tpci200->info = kzalloc(sizeof(struct tpci200_infos), GFP_KERNEL);
529 if (!tpci200->info) {
530 ret = -ENOMEM;
531 goto err_tpci200;
532 }
533
534 pci_dev_get(pdev);
535
536 /* Obtain a mapping of the carrier's PCI configuration registers */
537 ret = pci_request_region(pdev, TPCI200_CFG_MEM_BAR,
538 KBUILD_MODNAME " Configuration Memory");
539 if (ret) {
540 dev_err(&pdev->dev, "Failed to allocate PCI Configuration Memory");
541 ret = -EBUSY;
542 goto err_tpci200_info;
543 }
544 tpci200->info->cfg_regs = ioremap(
545 pci_resource_start(pdev, TPCI200_CFG_MEM_BAR),
546 pci_resource_len(pdev, TPCI200_CFG_MEM_BAR));
547 if (!tpci200->info->cfg_regs) {
548 dev_err(&pdev->dev, "Failed to map PCI Configuration Memory");
549 ret = -EFAULT;
550 goto err_request_region;
551 }
552
553 /* Disable byte swapping for 16 bit IP module access. This will ensure
554 * that the Industrypack big endian byte order is preserved by the
555 * carrier. */
556 reg32 = ioread32(tpci200->info->cfg_regs + LAS1_DESC);
557 reg32 |= 1 << LAS_BIT_BIGENDIAN;
558 iowrite32(reg32, tpci200->info->cfg_regs + LAS1_DESC);
559
560 reg32 = ioread32(tpci200->info->cfg_regs + LAS2_DESC);
561 reg32 |= 1 << LAS_BIT_BIGENDIAN;
562 iowrite32(reg32, tpci200->info->cfg_regs + LAS2_DESC);
563
564 /* Save struct pci_dev pointer */
565 tpci200->info->pdev = pdev;
566 tpci200->info->id_table = (struct pci_device_id *)id;
567
568 /* register the device and initialize it */
569 ret = tpci200_install(tpci200);
570 if (ret) {
571 dev_err(&pdev->dev, "error during tpci200 install\n");
572 ret = -ENODEV;
573 goto err_cfg_regs;
574 }
575
576 /* Register the carrier in the industry pack bus driver */
577 tpci200->info->ipack_bus = ipack_bus_register(&pdev->dev,
578 TPCI200_NB_SLOT,
579 &tpci200_bus_ops,
580 THIS_MODULE);
581 if (!tpci200->info->ipack_bus) {
582 dev_err(&pdev->dev,
583 "error registering the carrier on ipack driver\n");
584 ret = -EFAULT;
585 goto err_tpci200_install;
586 }
587
588 /* save the bus number given by ipack to logging purpose */
589 tpci200->number = tpci200->info->ipack_bus->bus_nr;
590 dev_set_drvdata(&pdev->dev, tpci200);
591
592 for (i = 0; i < TPCI200_NB_SLOT; i++)
593 tpci200_create_device(tpci200, i);
594 return 0;
595
596 err_tpci200_install:
597 tpci200_uninstall(tpci200);
598 err_cfg_regs:
599 pci_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs);
600 err_request_region:
601 pci_release_region(pdev, TPCI200_CFG_MEM_BAR);
602 err_tpci200_info:
603 kfree(tpci200->info);
604 pci_dev_put(pdev);
605 err_tpci200:
606 kfree(tpci200);
607 return ret;
608 }
609
__tpci200_pci_remove(struct tpci200_board * tpci200)610 static void __tpci200_pci_remove(struct tpci200_board *tpci200)
611 {
612 ipack_bus_unregister(tpci200->info->ipack_bus);
613 tpci200_uninstall(tpci200);
614
615 pci_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs);
616
617 pci_release_region(tpci200->info->pdev, TPCI200_CFG_MEM_BAR);
618
619 pci_dev_put(tpci200->info->pdev);
620
621 kfree(tpci200->info);
622 kfree(tpci200);
623 }
624
tpci200_pci_remove(struct pci_dev * dev)625 static void tpci200_pci_remove(struct pci_dev *dev)
626 {
627 struct tpci200_board *tpci200 = pci_get_drvdata(dev);
628
629 __tpci200_pci_remove(tpci200);
630 }
631
632 static const struct pci_device_id tpci200_idtable[] = {
633 { TPCI200_VENDOR_ID, TPCI200_DEVICE_ID, TPCI200_SUBVENDOR_ID,
634 TPCI200_SUBDEVICE_ID },
635 { 0, },
636 };
637
638 MODULE_DEVICE_TABLE(pci, tpci200_idtable);
639
640 static struct pci_driver tpci200_pci_drv = {
641 .name = "tpci200",
642 .id_table = tpci200_idtable,
643 .probe = tpci200_pci_probe,
644 .remove = tpci200_pci_remove,
645 };
646
647 module_pci_driver(tpci200_pci_drv);
648
649 MODULE_DESCRIPTION("TEWS TPCI-200 device driver");
650 MODULE_LICENSE("GPL");
651