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v4.17
  1/*
  2 * Linux ARCnet driver - COM20020 PCI support
  3 * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
  4 *
  5 * Written 1994-1999 by Avery Pennarun,
  6 *    based on an ISA version by David Woodhouse.
  7 * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
  8 * Derived from skeleton.c by Donald Becker.
  9 *
 10 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
 11 *  for sponsoring the further development of this driver.
 12 *
 13 * **********************
 14 *
 15 * The original copyright of skeleton.c was as follows:
 16 *
 17 * skeleton.c Written 1993 by Donald Becker.
 18 * Copyright 1993 United States Government as represented by the
 19 * Director, National Security Agency.  This software may only be used
 20 * and distributed according to the terms of the GNU General Public License as
 21 * modified by SRC, incorporated herein by reference.
 22 *
 23 * **********************
 24 *
 25 * For more details, see drivers/net/arcnet.c
 26 *
 27 * **********************
 28 */
 29
 30#define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt
 31
 32#include <linux/module.h>
 33#include <linux/moduleparam.h>
 34#include <linux/kernel.h>
 35#include <linux/types.h>
 36#include <linux/ioport.h>
 37#include <linux/errno.h>
 38#include <linux/netdevice.h>
 39#include <linux/init.h>
 40#include <linux/interrupt.h>
 41#include <linux/pci.h>
 42#include <linux/list.h>
 43#include <linux/io.h>
 44#include <linux/leds.h>
 45
 46#include "arcdevice.h"
 47#include "com20020.h"
 48
 49/* Module parameters */
 50
 51static int node;
 52static char device[9];		/* use eg. device="arc1" to change name */
 53static int timeout = 3;
 54static int backplane;
 55static int clockp;
 56static int clockm;
 57
 58module_param(node, int, 0);
 59module_param_string(device, device, sizeof(device), 0);
 60module_param(timeout, int, 0);
 61module_param(backplane, int, 0);
 62module_param(clockp, int, 0);
 63module_param(clockm, int, 0);
 64MODULE_LICENSE("GPL");
 65
 66static void led_tx_set(struct led_classdev *led_cdev,
 67			     enum led_brightness value)
 68{
 69	struct com20020_dev *card;
 70	struct com20020_priv *priv;
 71	struct com20020_pci_card_info *ci;
 72
 73	card = container_of(led_cdev, struct com20020_dev, tx_led);
 74
 75	priv = card->pci_priv;
 76	ci = priv->ci;
 77
 78	outb(!!value, priv->misc + ci->leds[card->index].green);
 79}
 80
 81static void led_recon_set(struct led_classdev *led_cdev,
 82			     enum led_brightness value)
 83{
 84	struct com20020_dev *card;
 85	struct com20020_priv *priv;
 86	struct com20020_pci_card_info *ci;
 87
 88	card = container_of(led_cdev, struct com20020_dev, recon_led);
 89
 90	priv = card->pci_priv;
 91	ci = priv->ci;
 92
 93	outb(!!value, priv->misc + ci->leds[card->index].red);
 94}
 95
 96static ssize_t backplane_mode_show(struct device *dev,
 97				   struct device_attribute *attr,
 98				   char *buf)
 99{
100	struct net_device *net_dev = to_net_dev(dev);
101	struct arcnet_local *lp = netdev_priv(net_dev);
102
103	return sprintf(buf, "%s\n", lp->backplane ? "true" : "false");
104}
105static DEVICE_ATTR_RO(backplane_mode);
106
107static struct attribute *com20020_state_attrs[] = {
108	&dev_attr_backplane_mode.attr,
109	NULL,
110};
111
112static const struct attribute_group com20020_state_group = {
113	.name = NULL,
114	.attrs = com20020_state_attrs,
115};
116
117static void com20020pci_remove(struct pci_dev *pdev);
118
119static int com20020pci_probe(struct pci_dev *pdev,
120			     const struct pci_device_id *id)
121{
122	struct com20020_pci_card_info *ci;
123	struct com20020_pci_channel_map *mm;
124	struct net_device *dev;
125	struct arcnet_local *lp;
126	struct com20020_priv *priv;
127	int i, ioaddr, ret;
128	struct resource *r;
129
 
 
130	if (pci_enable_device(pdev))
131		return -EIO;
132
133	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
134			    GFP_KERNEL);
135	if (!priv)
136		return -ENOMEM;
137
138	ci = (struct com20020_pci_card_info *)id->driver_data;
 
 
 
139	priv->ci = ci;
140	mm = &ci->misc_map;
141
 
 
142	INIT_LIST_HEAD(&priv->list_dev);
143
144	if (mm->size) {
145		ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
146		r = devm_request_region(&pdev->dev, ioaddr, mm->size,
147					"com20020-pci");
148		if (!r) {
149			pr_err("IO region %xh-%xh already allocated.\n",
150			       ioaddr, ioaddr + mm->size - 1);
151			return -EBUSY;
152		}
153		priv->misc = ioaddr;
154	}
155
156	for (i = 0; i < ci->devcount; i++) {
157		struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
158		struct com20020_dev *card;
159		int dev_id_mask = 0xf;
160
161		dev = alloc_arcdev(device);
162		if (!dev) {
163			ret = -ENOMEM;
164			goto out_port;
165		}
166		dev->dev_port = i;
167
168		dev->netdev_ops = &com20020_netdev_ops;
169
170		lp = netdev_priv(dev);
171
172		arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
173		ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
174
175		r = devm_request_region(&pdev->dev, ioaddr, cm->size,
176					"com20020-pci");
177		if (!r) {
178			pr_err("IO region %xh-%xh already allocated\n",
179			       ioaddr, ioaddr + cm->size - 1);
180			ret = -EBUSY;
181			goto out_port;
182		}
183
184		/* Dummy access after Reset
185		 * ARCNET controller needs
186		 * this access to detect bustype
187		 */
188		arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
189		arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
190
191		SET_NETDEV_DEV(dev, &pdev->dev);
192		dev->base_addr = ioaddr;
193		dev->dev_addr[0] = node;
194		dev->sysfs_groups[0] = &com20020_state_group;
195		dev->irq = pdev->irq;
196		lp->card_name = "PCI COM20020";
197		lp->card_flags = ci->flags;
198		lp->backplane = backplane;
199		lp->clockp = clockp & 7;
200		lp->clockm = clockm & 3;
201		lp->timeout = timeout;
202		lp->hw.owner = THIS_MODULE;
203
204		lp->backplane = (inb(priv->misc) >> (2 + i)) & 0x1;
205
206		if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15))
207			lp->backplane = 1;
208
209		/* Get the dev_id from the PLX rotary coder */
210		if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
211			dev_id_mask = 0x3;
212		dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask;
213
214		snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
215
216		if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
217			pr_err("IO address %Xh is empty!\n", ioaddr);
218			ret = -EIO;
219			goto out_port;
220		}
221		if (com20020_check(dev)) {
222			ret = -EIO;
223			goto out_port;
224		}
225
226		card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
227				    GFP_KERNEL);
228		if (!card) {
229			ret = -ENOMEM;
230			goto out_port;
231		}
232
233		card->index = i;
234		card->pci_priv = priv;
235		card->tx_led.brightness_set = led_tx_set;
236		card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
237						GFP_KERNEL, "arc%d-%d-tx",
238						dev->dev_id, i);
239		card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
240						"pci:green:tx:%d-%d",
241						dev->dev_id, i);
242
243		card->tx_led.dev = &dev->dev;
244		card->recon_led.brightness_set = led_recon_set;
245		card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
246						GFP_KERNEL, "arc%d-%d-recon",
247						dev->dev_id, i);
248		card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
249						"pci:red:recon:%d-%d",
250						dev->dev_id, i);
251		card->recon_led.dev = &dev->dev;
252		card->dev = dev;
253
254		ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
255		if (ret)
256			goto out_port;
257
258		ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
259		if (ret)
260			goto out_port;
261
262		dev_set_drvdata(&dev->dev, card);
263
264		ret = com20020_found(dev, IRQF_SHARED);
265		if (ret)
266			goto out_port;
267
268		devm_arcnet_led_init(dev, dev->dev_id, i);
269
270		list_add(&card->list, &priv->list_dev);
271	}
272
273	pci_set_drvdata(pdev, priv);
274
275	return 0;
276
277out_port:
278	com20020pci_remove(pdev);
279	return ret;
280}
281
282static void com20020pci_remove(struct pci_dev *pdev)
283{
284	struct com20020_dev *card, *tmpcard;
285	struct com20020_priv *priv;
286
287	priv = pci_get_drvdata(pdev);
288
289	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
290		struct net_device *dev = card->dev;
291
292		unregister_netdev(dev);
293		free_irq(dev->irq, dev);
294		free_netdev(dev);
295	}
296}
297
298static struct com20020_pci_card_info card_info_10mbit = {
299	.name = "ARC-PCI",
300	.devcount = 1,
301	.chan_map_tbl = {
302		{
303			.bar = 2,
304			.offset = 0x00,
305			.size = 0x08,
306		},
307	},
308	.flags = ARC_CAN_10MBIT,
309};
310
311static struct com20020_pci_card_info card_info_5mbit = {
312	.name = "ARC-PCI",
313	.devcount = 1,
314	.chan_map_tbl = {
315		{
316			.bar = 2,
317			.offset = 0x00,
318			.size = 0x08,
319		},
320	},
321	.flags = ARC_IS_5MBIT,
322};
323
324static struct com20020_pci_card_info card_info_sohard = {
325	.name = "PLX-PCI",
326	.devcount = 1,
327	/* SOHARD needs PCI base addr 4 */
328	.chan_map_tbl = {
329		{
330			.bar = 4,
331			.offset = 0x00,
332			.size = 0x08
333		},
334	},
335	.flags = ARC_CAN_10MBIT,
336};
337
338static struct com20020_pci_card_info card_info_eae_arc1 = {
339	.name = "EAE PLX-PCI ARC1",
340	.devcount = 1,
341	.chan_map_tbl = {
342		{
343			.bar = 2,
344			.offset = 0x00,
345			.size = 0x08,
346		},
347	},
348	.misc_map = {
349		.bar = 2,
350		.offset = 0x10,
351		.size = 0x04,
352	},
353	.leds = {
354		{
355			.green = 0x0,
356			.red = 0x1,
357		},
358	},
359	.rotary = 0x0,
360	.flags = ARC_CAN_10MBIT,
361};
362
363static struct com20020_pci_card_info card_info_eae_ma1 = {
364	.name = "EAE PLX-PCI MA1",
365	.devcount = 2,
366	.chan_map_tbl = {
367		{
368			.bar = 2,
369			.offset = 0x00,
370			.size = 0x08,
371		}, {
372			.bar = 2,
373			.offset = 0x08,
374			.size = 0x08,
375		}
376	},
377	.misc_map = {
378		.bar = 2,
379		.offset = 0x10,
380		.size = 0x04,
381	},
382	.leds = {
383		{
384			.green = 0x0,
385			.red = 0x1,
386		}, {
387			.green = 0x2,
388			.red = 0x3,
389		},
390	},
391	.rotary = 0x0,
392	.flags = ARC_CAN_10MBIT,
393};
394
395static struct com20020_pci_card_info card_info_eae_fb2 = {
396	.name = "EAE PLX-PCI FB2",
397	.devcount = 1,
398	.chan_map_tbl = {
399		{
400			.bar = 2,
401			.offset = 0x00,
402			.size = 0x08,
403		},
404	},
405	.misc_map = {
406		.bar = 2,
407		.offset = 0x10,
408		.size = 0x04,
409	},
410	.leds = {
411		{
412			.green = 0x0,
413			.red = 0x1,
414		},
415	},
416	.rotary = 0x0,
417	.flags = ARC_CAN_10MBIT,
418};
419
420static const struct pci_device_id com20020pci_id_table[] = {
421	{
422		0x1571, 0xa001,
423		PCI_ANY_ID, PCI_ANY_ID,
424		0, 0,
425		0,
426	},
427	{
428		0x1571, 0xa002,
429		PCI_ANY_ID, PCI_ANY_ID,
430		0, 0,
431		0,
432	},
433	{
434		0x1571, 0xa003,
435		PCI_ANY_ID, PCI_ANY_ID,
436		0, 0,
437		0
438	},
439	{
440		0x1571, 0xa004,
441		PCI_ANY_ID, PCI_ANY_ID,
442		0, 0,
443		0,
444	},
445	{
446		0x1571, 0xa005,
447		PCI_ANY_ID, PCI_ANY_ID,
448		0, 0,
449		0
450	},
451	{
452		0x1571, 0xa006,
453		PCI_ANY_ID, PCI_ANY_ID,
454		0, 0,
455		0
456	},
457	{
458		0x1571, 0xa007,
459		PCI_ANY_ID, PCI_ANY_ID,
460		0, 0,
461		0
462	},
463	{
464		0x1571, 0xa008,
465		PCI_ANY_ID, PCI_ANY_ID,
466		0, 0,
467		0
468	},
469	{
470		0x1571, 0xa009,
471		PCI_ANY_ID, PCI_ANY_ID,
472		0, 0,
473		(kernel_ulong_t)&card_info_5mbit
474	},
475	{
476		0x1571, 0xa00a,
477		PCI_ANY_ID, PCI_ANY_ID,
478		0, 0,
479		(kernel_ulong_t)&card_info_5mbit
480	},
481	{
482		0x1571, 0xa00b,
483		PCI_ANY_ID, PCI_ANY_ID,
484		0, 0,
485		(kernel_ulong_t)&card_info_5mbit
486	},
487	{
488		0x1571, 0xa00c,
489		PCI_ANY_ID, PCI_ANY_ID,
490		0, 0,
491		(kernel_ulong_t)&card_info_5mbit
492	},
493	{
494		0x1571, 0xa00d,
495		PCI_ANY_ID, PCI_ANY_ID,
496		0, 0,
497		(kernel_ulong_t)&card_info_5mbit
498	},
499	{
500		0x1571, 0xa00e,
501		PCI_ANY_ID, PCI_ANY_ID,
502		0, 0,
503		(kernel_ulong_t)&card_info_5mbit
504	},
505	{
506		0x1571, 0xa201,
507		PCI_ANY_ID, PCI_ANY_ID,
508		0, 0,
509		(kernel_ulong_t)&card_info_10mbit
510	},
511	{
512		0x1571, 0xa202,
513		PCI_ANY_ID, PCI_ANY_ID,
514		0, 0,
515		(kernel_ulong_t)&card_info_10mbit
516	},
517	{
518		0x1571, 0xa203,
519		PCI_ANY_ID, PCI_ANY_ID,
520		0, 0,
521		(kernel_ulong_t)&card_info_10mbit
522	},
523	{
524		0x1571, 0xa204,
525		PCI_ANY_ID, PCI_ANY_ID,
526		0, 0,
527		(kernel_ulong_t)&card_info_10mbit
528	},
529	{
530		0x1571, 0xa205,
531		PCI_ANY_ID, PCI_ANY_ID,
532		0, 0,
533		(kernel_ulong_t)&card_info_10mbit
534	},
535	{
536		0x1571, 0xa206,
537		PCI_ANY_ID, PCI_ANY_ID,
538		0, 0,
539		(kernel_ulong_t)&card_info_10mbit
540	},
541	{
542		0x10B5, 0x9030,
543		0x10B5, 0x2978,
544		0, 0,
545		(kernel_ulong_t)&card_info_sohard
546	},
547	{
548		0x10B5, 0x9050,
549		0x10B5, 0x2273,
550		0, 0,
551		(kernel_ulong_t)&card_info_sohard
552	},
553	{
554		0x10B5, 0x9050,
555		0x10B5, 0x3263,
556		0, 0,
557		(kernel_ulong_t)&card_info_eae_arc1
558	},
559	{
560		0x10B5, 0x9050,
561		0x10B5, 0x3292,
562		0, 0,
563		(kernel_ulong_t)&card_info_eae_ma1
564	},
565	{
566		0x10B5, 0x9050,
567		0x10B5, 0x3294,
568		0, 0,
569		(kernel_ulong_t)&card_info_eae_fb2
570	},
571	{
572		0x14BA, 0x6000,
573		PCI_ANY_ID, PCI_ANY_ID,
574		0, 0,
575		(kernel_ulong_t)&card_info_10mbit
576	},
577	{
578		0x10B5, 0x2200,
579		PCI_ANY_ID, PCI_ANY_ID,
580		0, 0,
581		(kernel_ulong_t)&card_info_10mbit
582	},
583	{ 0, }
584};
585
586MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
587
588static struct pci_driver com20020pci_driver = {
589	.name		= "com20020",
590	.id_table	= com20020pci_id_table,
591	.probe		= com20020pci_probe,
592	.remove		= com20020pci_remove,
593};
594
595static int __init com20020pci_init(void)
596{
597	if (BUGLVL(D_NORMAL))
598		pr_info("%s\n", "COM20020 PCI support");
599	return pci_register_driver(&com20020pci_driver);
600}
601
602static void __exit com20020pci_cleanup(void)
603{
604	pci_unregister_driver(&com20020pci_driver);
605}
606
607module_init(com20020pci_init)
608module_exit(com20020pci_cleanup)
v6.2
  1/*
  2 * Linux ARCnet driver - COM20020 PCI support
  3 * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
  4 *
  5 * Written 1994-1999 by Avery Pennarun,
  6 *    based on an ISA version by David Woodhouse.
  7 * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
  8 * Derived from skeleton.c by Donald Becker.
  9 *
 10 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
 11 *  for sponsoring the further development of this driver.
 12 *
 13 * **********************
 14 *
 15 * The original copyright of skeleton.c was as follows:
 16 *
 17 * skeleton.c Written 1993 by Donald Becker.
 18 * Copyright 1993 United States Government as represented by the
 19 * Director, National Security Agency.  This software may only be used
 20 * and distributed according to the terms of the GNU General Public License as
 21 * modified by SRC, incorporated herein by reference.
 22 *
 23 * **********************
 24 *
 25 * For more details, see drivers/net/arcnet.c
 26 *
 27 * **********************
 28 */
 29
 30#define pr_fmt(fmt) "arcnet:" KBUILD_MODNAME ": " fmt
 31
 32#include <linux/module.h>
 33#include <linux/moduleparam.h>
 34#include <linux/kernel.h>
 35#include <linux/types.h>
 36#include <linux/ioport.h>
 37#include <linux/errno.h>
 38#include <linux/netdevice.h>
 39#include <linux/init.h>
 40#include <linux/interrupt.h>
 41#include <linux/pci.h>
 42#include <linux/list.h>
 43#include <linux/io.h>
 44#include <linux/leds.h>
 45
 46#include "arcdevice.h"
 47#include "com20020.h"
 48
 49/* Module parameters */
 50
 51static int node;
 52static char device[9];		/* use eg. device="arc1" to change name */
 53static int timeout = 3;
 54static int backplane;
 55static int clockp;
 56static int clockm;
 57
 58module_param(node, int, 0);
 59module_param_string(device, device, sizeof(device), 0);
 60module_param(timeout, int, 0);
 61module_param(backplane, int, 0);
 62module_param(clockp, int, 0);
 63module_param(clockm, int, 0);
 64MODULE_LICENSE("GPL");
 65
 66static void led_tx_set(struct led_classdev *led_cdev,
 67			     enum led_brightness value)
 68{
 69	struct com20020_dev *card;
 70	struct com20020_priv *priv;
 71	struct com20020_pci_card_info *ci;
 72
 73	card = container_of(led_cdev, struct com20020_dev, tx_led);
 74
 75	priv = card->pci_priv;
 76	ci = priv->ci;
 77
 78	outb(!!value, priv->misc + ci->leds[card->index].green);
 79}
 80
 81static void led_recon_set(struct led_classdev *led_cdev,
 82			     enum led_brightness value)
 83{
 84	struct com20020_dev *card;
 85	struct com20020_priv *priv;
 86	struct com20020_pci_card_info *ci;
 87
 88	card = container_of(led_cdev, struct com20020_dev, recon_led);
 89
 90	priv = card->pci_priv;
 91	ci = priv->ci;
 92
 93	outb(!!value, priv->misc + ci->leds[card->index].red);
 94}
 95
 96static ssize_t backplane_mode_show(struct device *dev,
 97				   struct device_attribute *attr,
 98				   char *buf)
 99{
100	struct net_device *net_dev = to_net_dev(dev);
101	struct arcnet_local *lp = netdev_priv(net_dev);
102
103	return sprintf(buf, "%s\n", lp->backplane ? "true" : "false");
104}
105static DEVICE_ATTR_RO(backplane_mode);
106
107static struct attribute *com20020_state_attrs[] = {
108	&dev_attr_backplane_mode.attr,
109	NULL,
110};
111
112static const struct attribute_group com20020_state_group = {
113	.name = NULL,
114	.attrs = com20020_state_attrs,
115};
116
117static void com20020pci_remove(struct pci_dev *pdev);
118
119static int com20020pci_probe(struct pci_dev *pdev,
120			     const struct pci_device_id *id)
121{
122	struct com20020_pci_card_info *ci;
123	struct com20020_pci_channel_map *mm;
124	struct net_device *dev;
125	struct arcnet_local *lp;
126	struct com20020_priv *priv;
127	int i, ioaddr, ret;
128	struct resource *r;
129
130	ret = 0;
131
132	if (pci_enable_device(pdev))
133		return -EIO;
134
135	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
136			    GFP_KERNEL);
137	if (!priv)
138		return -ENOMEM;
139
140	ci = (struct com20020_pci_card_info *)id->driver_data;
141	if (!ci)
142		return -EINVAL;
143
144	priv->ci = ci;
145	mm = &ci->misc_map;
146
147	pci_set_drvdata(pdev, priv);
148
149	INIT_LIST_HEAD(&priv->list_dev);
150
151	if (mm->size) {
152		ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
153		r = devm_request_region(&pdev->dev, ioaddr, mm->size,
154					"com20020-pci");
155		if (!r) {
156			pr_err("IO region %xh-%xh already allocated.\n",
157			       ioaddr, ioaddr + mm->size - 1);
158			return -EBUSY;
159		}
160		priv->misc = ioaddr;
161	}
162
163	for (i = 0; i < ci->devcount; i++) {
164		struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
165		struct com20020_dev *card;
166		int dev_id_mask = 0xf;
167
168		dev = alloc_arcdev(device);
169		if (!dev) {
170			ret = -ENOMEM;
171			break;
172		}
173		dev->dev_port = i;
174
175		dev->netdev_ops = &com20020_netdev_ops;
176
177		lp = netdev_priv(dev);
178
179		arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
180		ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
181
182		r = devm_request_region(&pdev->dev, ioaddr, cm->size,
183					"com20020-pci");
184		if (!r) {
185			pr_err("IO region %xh-%xh already allocated\n",
186			       ioaddr, ioaddr + cm->size - 1);
187			ret = -EBUSY;
188			goto err_free_arcdev;
189		}
190
191		/* Dummy access after Reset
192		 * ARCNET controller needs
193		 * this access to detect bustype
194		 */
195		arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
196		arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
197
198		SET_NETDEV_DEV(dev, &pdev->dev);
199		dev->base_addr = ioaddr;
200		arcnet_set_addr(dev, node);
201		dev->sysfs_groups[0] = &com20020_state_group;
202		dev->irq = pdev->irq;
203		lp->card_name = "PCI COM20020";
204		lp->card_flags = ci->flags;
205		lp->backplane = backplane;
206		lp->clockp = clockp & 7;
207		lp->clockm = clockm & 3;
208		lp->timeout = timeout;
209		lp->hw.owner = THIS_MODULE;
210
211		lp->backplane = (inb(priv->misc) >> (2 + i)) & 0x1;
212
213		if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15))
214			lp->backplane = 1;
215
216		/* Get the dev_id from the PLX rotary coder */
217		if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
218			dev_id_mask = 0x3;
219		dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask;
220
221		snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
222
223		if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
224			pr_err("IO address %Xh is empty!\n", ioaddr);
225			ret = -EIO;
226			goto err_free_arcdev;
227		}
228		if (com20020_check(dev)) {
229			ret = -EIO;
230			goto err_free_arcdev;
231		}
232
233		card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
234				    GFP_KERNEL);
235		if (!card) {
236			ret = -ENOMEM;
237			goto err_free_arcdev;
238		}
239
240		card->index = i;
241		card->pci_priv = priv;
242		card->tx_led.brightness_set = led_tx_set;
243		card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
244						GFP_KERNEL, "arc%d-%d-tx",
245						dev->dev_id, i);
246		card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
247						"pci:green:tx:%d-%d",
248						dev->dev_id, i);
249
250		card->tx_led.dev = &dev->dev;
251		card->recon_led.brightness_set = led_recon_set;
252		card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
253						GFP_KERNEL, "arc%d-%d-recon",
254						dev->dev_id, i);
255		card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
256						"pci:red:recon:%d-%d",
257						dev->dev_id, i);
258		card->recon_led.dev = &dev->dev;
259		card->dev = dev;
260
261		ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
262		if (ret)
263			goto err_free_arcdev;
264
265		ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
266		if (ret)
267			goto err_free_arcdev;
268
269		dev_set_drvdata(&dev->dev, card);
270
271		ret = com20020_found(dev, IRQF_SHARED);
272		if (ret)
273			goto err_free_arcdev;
274
275		devm_arcnet_led_init(dev, dev->dev_id, i);
276
277		list_add(&card->list, &priv->list_dev);
278		continue;
279
280err_free_arcdev:
281		free_arcdev(dev);
282		break;
283	}
284	if (ret)
285		com20020pci_remove(pdev);
286	return ret;
287}
288
289static void com20020pci_remove(struct pci_dev *pdev)
290{
291	struct com20020_dev *card, *tmpcard;
292	struct com20020_priv *priv;
293
294	priv = pci_get_drvdata(pdev);
295
296	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
297		struct net_device *dev = card->dev;
298
299		unregister_netdev(dev);
300		free_irq(dev->irq, dev);
301		free_arcdev(dev);
302	}
303}
304
305static struct com20020_pci_card_info card_info_10mbit = {
306	.name = "ARC-PCI",
307	.devcount = 1,
308	.chan_map_tbl = {
309		{
310			.bar = 2,
311			.offset = 0x00,
312			.size = 0x08,
313		},
314	},
315	.flags = ARC_CAN_10MBIT,
316};
317
318static struct com20020_pci_card_info card_info_5mbit = {
319	.name = "ARC-PCI",
320	.devcount = 1,
321	.chan_map_tbl = {
322		{
323			.bar = 2,
324			.offset = 0x00,
325			.size = 0x08,
326		},
327	},
328	.flags = ARC_IS_5MBIT,
329};
330
331static struct com20020_pci_card_info card_info_sohard = {
332	.name = "PLX-PCI",
333	.devcount = 1,
334	/* SOHARD needs PCI base addr 4 */
335	.chan_map_tbl = {
336		{
337			.bar = 4,
338			.offset = 0x00,
339			.size = 0x08
340		},
341	},
342	.flags = ARC_CAN_10MBIT,
343};
344
345static struct com20020_pci_card_info card_info_eae_arc1 = {
346	.name = "EAE PLX-PCI ARC1",
347	.devcount = 1,
348	.chan_map_tbl = {
349		{
350			.bar = 2,
351			.offset = 0x00,
352			.size = 0x08,
353		},
354	},
355	.misc_map = {
356		.bar = 2,
357		.offset = 0x10,
358		.size = 0x04,
359	},
360	.leds = {
361		{
362			.green = 0x0,
363			.red = 0x1,
364		},
365	},
366	.rotary = 0x0,
367	.flags = ARC_CAN_10MBIT,
368};
369
370static struct com20020_pci_card_info card_info_eae_ma1 = {
371	.name = "EAE PLX-PCI MA1",
372	.devcount = 2,
373	.chan_map_tbl = {
374		{
375			.bar = 2,
376			.offset = 0x00,
377			.size = 0x08,
378		}, {
379			.bar = 2,
380			.offset = 0x08,
381			.size = 0x08,
382		}
383	},
384	.misc_map = {
385		.bar = 2,
386		.offset = 0x10,
387		.size = 0x04,
388	},
389	.leds = {
390		{
391			.green = 0x0,
392			.red = 0x1,
393		}, {
394			.green = 0x2,
395			.red = 0x3,
396		},
397	},
398	.rotary = 0x0,
399	.flags = ARC_CAN_10MBIT,
400};
401
402static struct com20020_pci_card_info card_info_eae_fb2 = {
403	.name = "EAE PLX-PCI FB2",
404	.devcount = 1,
405	.chan_map_tbl = {
406		{
407			.bar = 2,
408			.offset = 0x00,
409			.size = 0x08,
410		},
411	},
412	.misc_map = {
413		.bar = 2,
414		.offset = 0x10,
415		.size = 0x04,
416	},
417	.leds = {
418		{
419			.green = 0x0,
420			.red = 0x1,
421		},
422	},
423	.rotary = 0x0,
424	.flags = ARC_CAN_10MBIT,
425};
426
427static const struct pci_device_id com20020pci_id_table[] = {
428	{
429		0x1571, 0xa001,
430		PCI_ANY_ID, PCI_ANY_ID,
431		0, 0,
432		0,
433	},
434	{
435		0x1571, 0xa002,
436		PCI_ANY_ID, PCI_ANY_ID,
437		0, 0,
438		0,
439	},
440	{
441		0x1571, 0xa003,
442		PCI_ANY_ID, PCI_ANY_ID,
443		0, 0,
444		0
445	},
446	{
447		0x1571, 0xa004,
448		PCI_ANY_ID, PCI_ANY_ID,
449		0, 0,
450		0,
451	},
452	{
453		0x1571, 0xa005,
454		PCI_ANY_ID, PCI_ANY_ID,
455		0, 0,
456		0
457	},
458	{
459		0x1571, 0xa006,
460		PCI_ANY_ID, PCI_ANY_ID,
461		0, 0,
462		0
463	},
464	{
465		0x1571, 0xa007,
466		PCI_ANY_ID, PCI_ANY_ID,
467		0, 0,
468		0
469	},
470	{
471		0x1571, 0xa008,
472		PCI_ANY_ID, PCI_ANY_ID,
473		0, 0,
474		0
475	},
476	{
477		0x1571, 0xa009,
478		PCI_ANY_ID, PCI_ANY_ID,
479		0, 0,
480		(kernel_ulong_t)&card_info_5mbit
481	},
482	{
483		0x1571, 0xa00a,
484		PCI_ANY_ID, PCI_ANY_ID,
485		0, 0,
486		(kernel_ulong_t)&card_info_5mbit
487	},
488	{
489		0x1571, 0xa00b,
490		PCI_ANY_ID, PCI_ANY_ID,
491		0, 0,
492		(kernel_ulong_t)&card_info_5mbit
493	},
494	{
495		0x1571, 0xa00c,
496		PCI_ANY_ID, PCI_ANY_ID,
497		0, 0,
498		(kernel_ulong_t)&card_info_5mbit
499	},
500	{
501		0x1571, 0xa00d,
502		PCI_ANY_ID, PCI_ANY_ID,
503		0, 0,
504		(kernel_ulong_t)&card_info_5mbit
505	},
506	{
507		0x1571, 0xa00e,
508		PCI_ANY_ID, PCI_ANY_ID,
509		0, 0,
510		(kernel_ulong_t)&card_info_5mbit
511	},
512	{
513		0x1571, 0xa201,
514		PCI_ANY_ID, PCI_ANY_ID,
515		0, 0,
516		(kernel_ulong_t)&card_info_10mbit
517	},
518	{
519		0x1571, 0xa202,
520		PCI_ANY_ID, PCI_ANY_ID,
521		0, 0,
522		(kernel_ulong_t)&card_info_10mbit
523	},
524	{
525		0x1571, 0xa203,
526		PCI_ANY_ID, PCI_ANY_ID,
527		0, 0,
528		(kernel_ulong_t)&card_info_10mbit
529	},
530	{
531		0x1571, 0xa204,
532		PCI_ANY_ID, PCI_ANY_ID,
533		0, 0,
534		(kernel_ulong_t)&card_info_10mbit
535	},
536	{
537		0x1571, 0xa205,
538		PCI_ANY_ID, PCI_ANY_ID,
539		0, 0,
540		(kernel_ulong_t)&card_info_10mbit
541	},
542	{
543		0x1571, 0xa206,
544		PCI_ANY_ID, PCI_ANY_ID,
545		0, 0,
546		(kernel_ulong_t)&card_info_10mbit
547	},
548	{
549		0x10B5, 0x9030,
550		0x10B5, 0x2978,
551		0, 0,
552		(kernel_ulong_t)&card_info_sohard
553	},
554	{
555		0x10B5, 0x9050,
556		0x10B5, 0x2273,
557		0, 0,
558		(kernel_ulong_t)&card_info_sohard
559	},
560	{
561		0x10B5, 0x9050,
562		0x10B5, 0x3263,
563		0, 0,
564		(kernel_ulong_t)&card_info_eae_arc1
565	},
566	{
567		0x10B5, 0x9050,
568		0x10B5, 0x3292,
569		0, 0,
570		(kernel_ulong_t)&card_info_eae_ma1
571	},
572	{
573		0x10B5, 0x9050,
574		0x10B5, 0x3294,
575		0, 0,
576		(kernel_ulong_t)&card_info_eae_fb2
577	},
578	{
579		0x14BA, 0x6000,
580		PCI_ANY_ID, PCI_ANY_ID,
581		0, 0,
582		(kernel_ulong_t)&card_info_10mbit
583	},
584	{
585		0x10B5, 0x2200,
586		PCI_ANY_ID, PCI_ANY_ID,
587		0, 0,
588		(kernel_ulong_t)&card_info_10mbit
589	},
590	{ 0, }
591};
592
593MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
594
595static struct pci_driver com20020pci_driver = {
596	.name		= "com20020",
597	.id_table	= com20020pci_id_table,
598	.probe		= com20020pci_probe,
599	.remove		= com20020pci_remove,
600};
601
602static int __init com20020pci_init(void)
603{
604	if (BUGLVL(D_NORMAL))
605		pr_info("%s\n", "COM20020 PCI support");
606	return pci_register_driver(&com20020pci_driver);
607}
608
609static void __exit com20020pci_cleanup(void)
610{
611	pci_unregister_driver(&com20020pci_driver);
612}
613
614module_init(com20020pci_init)
615module_exit(com20020pci_cleanup)