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v6.8
  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_DESCRIPTION("ARCnet COM20020 chipset PCI driver");
 65MODULE_LICENSE("GPL");
 66
 67static void led_tx_set(struct led_classdev *led_cdev,
 68			     enum led_brightness value)
 69{
 70	struct com20020_dev *card;
 71	struct com20020_priv *priv;
 72	struct com20020_pci_card_info *ci;
 73
 74	card = container_of(led_cdev, struct com20020_dev, tx_led);
 75
 76	priv = card->pci_priv;
 77	ci = priv->ci;
 78
 79	outb(!!value, priv->misc + ci->leds[card->index].green);
 80}
 81
 82static void led_recon_set(struct led_classdev *led_cdev,
 83			     enum led_brightness value)
 84{
 85	struct com20020_dev *card;
 86	struct com20020_priv *priv;
 87	struct com20020_pci_card_info *ci;
 88
 89	card = container_of(led_cdev, struct com20020_dev, recon_led);
 90
 91	priv = card->pci_priv;
 92	ci = priv->ci;
 93
 94	outb(!!value, priv->misc + ci->leds[card->index].red);
 95}
 96
 97static ssize_t backplane_mode_show(struct device *dev,
 98				   struct device_attribute *attr,
 99				   char *buf)
100{
101	struct net_device *net_dev = to_net_dev(dev);
102	struct arcnet_local *lp = netdev_priv(net_dev);
103
104	return sprintf(buf, "%s\n", lp->backplane ? "true" : "false");
105}
106static DEVICE_ATTR_RO(backplane_mode);
107
108static struct attribute *com20020_state_attrs[] = {
109	&dev_attr_backplane_mode.attr,
110	NULL,
111};
112
113static const struct attribute_group com20020_state_group = {
114	.name = NULL,
115	.attrs = com20020_state_attrs,
116};
117
118static void com20020pci_remove(struct pci_dev *pdev);
119
120static int com20020pci_probe(struct pci_dev *pdev,
121			     const struct pci_device_id *id)
122{
123	struct com20020_pci_card_info *ci;
124	struct com20020_pci_channel_map *mm;
125	struct net_device *dev;
126	struct arcnet_local *lp;
127	struct com20020_priv *priv;
128	int i, ioaddr, ret;
129	struct resource *r;
130
131	ret = 0;
132
133	if (pci_enable_device(pdev))
134		return -EIO;
135
136	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
137			    GFP_KERNEL);
138	if (!priv)
139		return -ENOMEM;
140
141	ci = (struct com20020_pci_card_info *)id->driver_data;
142	if (!ci)
143		return -EINVAL;
144
145	priv->ci = ci;
146	mm = &ci->misc_map;
147
148	pci_set_drvdata(pdev, priv);
149
150	INIT_LIST_HEAD(&priv->list_dev);
151
152	if (mm->size) {
153		ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
154		r = devm_request_region(&pdev->dev, ioaddr, mm->size,
155					"com20020-pci");
156		if (!r) {
157			pr_err("IO region %xh-%xh already allocated.\n",
158			       ioaddr, ioaddr + mm->size - 1);
159			return -EBUSY;
160		}
161		priv->misc = ioaddr;
162	}
163
164	for (i = 0; i < ci->devcount; i++) {
165		struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
166		struct com20020_dev *card;
167		int dev_id_mask = 0xf;
168
169		dev = alloc_arcdev(device);
170		if (!dev) {
171			ret = -ENOMEM;
172			break;
173		}
174		dev->dev_port = i;
175
176		dev->netdev_ops = &com20020_netdev_ops;
177
178		lp = netdev_priv(dev);
179
180		arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
181		ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
182
183		r = devm_request_region(&pdev->dev, ioaddr, cm->size,
184					"com20020-pci");
185		if (!r) {
186			pr_err("IO region %xh-%xh already allocated\n",
187			       ioaddr, ioaddr + cm->size - 1);
188			ret = -EBUSY;
189			goto err_free_arcdev;
190		}
191
192		/* Dummy access after Reset
193		 * ARCNET controller needs
194		 * this access to detect bustype
195		 */
196		arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
197		arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
198
199		SET_NETDEV_DEV(dev, &pdev->dev);
200		dev->base_addr = ioaddr;
201		arcnet_set_addr(dev, node);
202		dev->sysfs_groups[0] = &com20020_state_group;
203		dev->irq = pdev->irq;
204		lp->card_name = "PCI COM20020";
205		lp->card_flags = ci->flags;
206		lp->backplane = backplane;
207		lp->clockp = clockp & 7;
208		lp->clockm = clockm & 3;
209		lp->timeout = timeout;
210		lp->hw.owner = THIS_MODULE;
211
212		lp->backplane = (inb(priv->misc) >> (2 + i)) & 0x1;
 
 
 
213
214		if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15))
215			lp->backplane = 1;
216
217		if (ci->flags & ARC_HAS_ROTARY) {
218			/* Get the dev_id from the PLX rotary coder */
219			if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
220				dev_id_mask = 0x3;
221			dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask;
222			snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
223		}
224
225		if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
226			pr_err("IO address %Xh is empty!\n", ioaddr);
227			ret = -EIO;
228			goto err_free_arcdev;
229		}
230		if (com20020_check(dev)) {
231			ret = -EIO;
232			goto err_free_arcdev;
233		}
234
235		ret = com20020_found(dev, IRQF_SHARED);
236		if (ret)
237			goto err_free_arcdev;
238
239		card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
240				    GFP_KERNEL);
241		if (!card) {
242			ret = -ENOMEM;
243			goto err_free_arcdev;
244		}
245
246		card->index = i;
247		card->pci_priv = priv;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
248
249		if (ci->flags & ARC_HAS_LED) {
250			card->tx_led.brightness_set = led_tx_set;
251			card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
252							GFP_KERNEL, "arc%d-%d-tx",
253							dev->dev_id, i);
254			card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
255							"pci:green:tx:%d-%d",
256							dev->dev_id, i);
257
258			card->tx_led.dev = &dev->dev;
259			card->recon_led.brightness_set = led_recon_set;
260			card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
261							GFP_KERNEL, "arc%d-%d-recon",
262							dev->dev_id, i);
263			card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
264							"pci:red:recon:%d-%d",
265							dev->dev_id, i);
266			card->recon_led.dev = &dev->dev;
267
268			ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
269			if (ret)
270				goto err_free_arcdev;
271
272			ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
273			if (ret)
274				goto err_free_arcdev;
275
276			dev_set_drvdata(&dev->dev, card);
277			devm_arcnet_led_init(dev, dev->dev_id, i);
278		}
279
280		card->dev = dev;
281		list_add(&card->list, &priv->list_dev);
282		continue;
 
 
283
284err_free_arcdev:
285		free_arcdev(dev);
286		break;
287	}
288	if (ret)
289		com20020pci_remove(pdev);
 
 
 
 
 
290	return ret;
291}
292
293static void com20020pci_remove(struct pci_dev *pdev)
294{
295	struct com20020_dev *card, *tmpcard;
296	struct com20020_priv *priv;
297
298	priv = pci_get_drvdata(pdev);
299
300	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
301		struct net_device *dev = card->dev;
302
303		unregister_netdev(dev);
304		free_irq(dev->irq, dev);
305		free_arcdev(dev);
306	}
307}
308
309static struct com20020_pci_card_info card_info_10mbit = {
310	.name = "ARC-PCI",
311	.devcount = 1,
312	.chan_map_tbl = {
313		{
314			.bar = 2,
315			.offset = 0x00,
316			.size = 0x08,
317		},
318	},
319	.flags = ARC_CAN_10MBIT,
320};
321
322static struct com20020_pci_card_info card_info_5mbit = {
323	.name = "ARC-PCI",
324	.devcount = 1,
325	.chan_map_tbl = {
326		{
327			.bar = 2,
328			.offset = 0x00,
329			.size = 0x08,
330		},
331	},
332	.flags = ARC_IS_5MBIT,
333};
334
335static struct com20020_pci_card_info card_info_sohard = {
336	.name = "SOHARD SH ARC-PCI",
337	.devcount = 1,
338	/* SOHARD needs PCI base addr 4 */
339	.chan_map_tbl = {
340		{
341			.bar = 4,
342			.offset = 0x00,
343			.size = 0x08
344		},
345	},
346	.flags = ARC_CAN_10MBIT,
347};
348
349static struct com20020_pci_card_info card_info_eae_arc1 = {
350	.name = "EAE PLX-PCI ARC1",
351	.devcount = 1,
352	.chan_map_tbl = {
353		{
354			.bar = 2,
355			.offset = 0x00,
356			.size = 0x08,
357		},
358	},
359	.misc_map = {
360		.bar = 2,
361		.offset = 0x10,
362		.size = 0x04,
363	},
364	.leds = {
365		{
366			.green = 0x0,
367			.red = 0x1,
368		},
369	},
370	.rotary = 0x0,
371	.flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT,
372};
373
374static struct com20020_pci_card_info card_info_eae_ma1 = {
375	.name = "EAE PLX-PCI MA1",
376	.devcount = 2,
377	.chan_map_tbl = {
378		{
379			.bar = 2,
380			.offset = 0x00,
381			.size = 0x08,
382		}, {
383			.bar = 2,
384			.offset = 0x08,
385			.size = 0x08,
386		}
387	},
388	.misc_map = {
389		.bar = 2,
390		.offset = 0x10,
391		.size = 0x04,
392	},
393	.leds = {
394		{
395			.green = 0x0,
396			.red = 0x1,
397		}, {
398			.green = 0x2,
399			.red = 0x3,
400		},
401	},
402	.rotary = 0x0,
403	.flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT,
404};
405
406static struct com20020_pci_card_info card_info_eae_fb2 = {
407	.name = "EAE PLX-PCI FB2",
408	.devcount = 1,
409	.chan_map_tbl = {
410		{
411			.bar = 2,
412			.offset = 0x00,
413			.size = 0x08,
414		},
415	},
416	.misc_map = {
417		.bar = 2,
418		.offset = 0x10,
419		.size = 0x04,
420	},
421	.leds = {
422		{
423			.green = 0x0,
424			.red = 0x1,
425		},
426	},
427	.rotary = 0x0,
428	.flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT,
429};
430
431static const struct pci_device_id com20020pci_id_table[] = {
432	{
433		0x1571, 0xa001,
434		PCI_ANY_ID, PCI_ANY_ID,
435		0, 0,
436		0,
437	},
438	{
439		0x1571, 0xa002,
440		PCI_ANY_ID, PCI_ANY_ID,
441		0, 0,
442		0,
443	},
444	{
445		0x1571, 0xa003,
446		PCI_ANY_ID, PCI_ANY_ID,
447		0, 0,
448		0
449	},
450	{
451		0x1571, 0xa004,
452		PCI_ANY_ID, PCI_ANY_ID,
453		0, 0,
454		0,
455	},
456	{
457		0x1571, 0xa005,
458		PCI_ANY_ID, PCI_ANY_ID,
459		0, 0,
460		0
461	},
462	{
463		0x1571, 0xa006,
464		PCI_ANY_ID, PCI_ANY_ID,
465		0, 0,
466		0
467	},
468	{
469		0x1571, 0xa007,
470		PCI_ANY_ID, PCI_ANY_ID,
471		0, 0,
472		0
473	},
474	{
475		0x1571, 0xa008,
476		PCI_ANY_ID, PCI_ANY_ID,
477		0, 0,
478		0
479	},
480	{
481		0x1571, 0xa009,
482		PCI_ANY_ID, PCI_ANY_ID,
483		0, 0,
484		(kernel_ulong_t)&card_info_5mbit
485	},
486	{
487		0x1571, 0xa00a,
488		PCI_ANY_ID, PCI_ANY_ID,
489		0, 0,
490		(kernel_ulong_t)&card_info_5mbit
491	},
492	{
493		0x1571, 0xa00b,
494		PCI_ANY_ID, PCI_ANY_ID,
495		0, 0,
496		(kernel_ulong_t)&card_info_5mbit
497	},
498	{
499		0x1571, 0xa00c,
500		PCI_ANY_ID, PCI_ANY_ID,
501		0, 0,
502		(kernel_ulong_t)&card_info_5mbit
503	},
504	{
505		0x1571, 0xa00d,
506		PCI_ANY_ID, PCI_ANY_ID,
507		0, 0,
508		(kernel_ulong_t)&card_info_5mbit
509	},
510	{
511		0x1571, 0xa00e,
512		PCI_ANY_ID, PCI_ANY_ID,
513		0, 0,
514		(kernel_ulong_t)&card_info_5mbit
515	},
516	{
517		0x1571, 0xa201,
518		PCI_ANY_ID, PCI_ANY_ID,
519		0, 0,
520		(kernel_ulong_t)&card_info_10mbit
521	},
522	{
523		0x1571, 0xa202,
524		PCI_ANY_ID, PCI_ANY_ID,
525		0, 0,
526		(kernel_ulong_t)&card_info_10mbit
527	},
528	{
529		0x1571, 0xa203,
530		PCI_ANY_ID, PCI_ANY_ID,
531		0, 0,
532		(kernel_ulong_t)&card_info_10mbit
533	},
534	{
535		0x1571, 0xa204,
536		PCI_ANY_ID, PCI_ANY_ID,
537		0, 0,
538		(kernel_ulong_t)&card_info_10mbit
539	},
540	{
541		0x1571, 0xa205,
542		PCI_ANY_ID, PCI_ANY_ID,
543		0, 0,
544		(kernel_ulong_t)&card_info_10mbit
545	},
546	{
547		0x1571, 0xa206,
548		PCI_ANY_ID, PCI_ANY_ID,
549		0, 0,
550		(kernel_ulong_t)&card_info_10mbit
551	},
552	{
553		0x10B5, 0x9030,
554		0x10B5, 0x2978,
555		0, 0,
556		(kernel_ulong_t)&card_info_sohard
557	},
558	{
559		0x10B5, 0x9050,
560		0x10B5, 0x2273,
561		0, 0,
562		(kernel_ulong_t)&card_info_sohard
563	},
564	{
565		0x10B5, 0x9050,
566		0x10B5, 0x3263,
567		0, 0,
568		(kernel_ulong_t)&card_info_eae_arc1
569	},
570	{
571		0x10B5, 0x9050,
572		0x10B5, 0x3292,
573		0, 0,
574		(kernel_ulong_t)&card_info_eae_ma1
575	},
576	{
577		0x10B5, 0x9050,
578		0x10B5, 0x3294,
579		0, 0,
580		(kernel_ulong_t)&card_info_eae_fb2
581	},
582	{
583		0x14BA, 0x6000,
584		PCI_ANY_ID, PCI_ANY_ID,
585		0, 0,
586		(kernel_ulong_t)&card_info_10mbit
587	},
588	{
589		0x10B5, 0x2200,
590		PCI_ANY_ID, PCI_ANY_ID,
591		0, 0,
592		(kernel_ulong_t)&card_info_10mbit
593	},
594	{ 0, }
595};
596
597MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
598
599static struct pci_driver com20020pci_driver = {
600	.name		= "com20020",
601	.id_table	= com20020pci_id_table,
602	.probe		= com20020pci_probe,
603	.remove		= com20020pci_remove,
604};
605
606static int __init com20020pci_init(void)
607{
608	if (BUGLVL(D_NORMAL))
609		pr_info("%s\n", "COM20020 PCI support");
610	return pci_register_driver(&com20020pci_driver);
611}
612
613static void __exit com20020pci_cleanup(void)
614{
615	pci_unregister_driver(&com20020pci_driver);
616}
617
618module_init(com20020pci_init)
619module_exit(com20020pci_cleanup)
v4.10.11
  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 void com20020pci_remove(struct pci_dev *pdev);
 97
 98static int com20020pci_probe(struct pci_dev *pdev,
 99			     const struct pci_device_id *id)
100{
101	struct com20020_pci_card_info *ci;
102	struct com20020_pci_channel_map *mm;
103	struct net_device *dev;
104	struct arcnet_local *lp;
105	struct com20020_priv *priv;
106	int i, ioaddr, ret;
107	struct resource *r;
108
 
 
109	if (pci_enable_device(pdev))
110		return -EIO;
111
112	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
113			    GFP_KERNEL);
114	if (!priv)
115		return -ENOMEM;
116
117	ci = (struct com20020_pci_card_info *)id->driver_data;
 
 
 
118	priv->ci = ci;
119	mm = &ci->misc_map;
120
 
 
121	INIT_LIST_HEAD(&priv->list_dev);
122
123	if (mm->size) {
124		ioaddr = pci_resource_start(pdev, mm->bar) + mm->offset;
125		r = devm_request_region(&pdev->dev, ioaddr, mm->size,
126					"com20020-pci");
127		if (!r) {
128			pr_err("IO region %xh-%xh already allocated.\n",
129			       ioaddr, ioaddr + mm->size - 1);
130			return -EBUSY;
131		}
132		priv->misc = ioaddr;
133	}
134
135	for (i = 0; i < ci->devcount; i++) {
136		struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
137		struct com20020_dev *card;
 
138
139		dev = alloc_arcdev(device);
140		if (!dev) {
141			ret = -ENOMEM;
142			goto out_port;
143		}
144		dev->dev_port = i;
145
146		dev->netdev_ops = &com20020_netdev_ops;
147
148		lp = netdev_priv(dev);
149
150		arc_printk(D_NORMAL, dev, "%s Controls\n", ci->name);
151		ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
152
153		r = devm_request_region(&pdev->dev, ioaddr, cm->size,
154					"com20020-pci");
155		if (!r) {
156			pr_err("IO region %xh-%xh already allocated\n",
157			       ioaddr, ioaddr + cm->size - 1);
158			ret = -EBUSY;
159			goto out_port;
160		}
161
162		/* Dummy access after Reset
163		 * ARCNET controller needs
164		 * this access to detect bustype
165		 */
166		arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND);
167		arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT);
168
 
169		dev->base_addr = ioaddr;
170		dev->dev_addr[0] = node;
 
171		dev->irq = pdev->irq;
172		lp->card_name = "PCI COM20020";
173		lp->card_flags = ci->flags;
174		lp->backplane = backplane;
175		lp->clockp = clockp & 7;
176		lp->clockm = clockm & 3;
177		lp->timeout = timeout;
178		lp->hw.owner = THIS_MODULE;
179
180		/* Get the dev_id from the PLX rotary coder */
181		if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15))
182			dev->dev_id = 0xc;
183		dev->dev_id ^= inb(priv->misc + ci->rotary) >> 4;
184
185		snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i);
 
 
 
 
 
 
 
 
 
186
187		if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) {
188			pr_err("IO address %Xh is empty!\n", ioaddr);
189			ret = -EIO;
190			goto out_port;
191		}
192		if (com20020_check(dev)) {
193			ret = -EIO;
194			goto out_port;
195		}
196
 
 
 
 
197		card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
198				    GFP_KERNEL);
199		if (!card)
200			return -ENOMEM;
 
 
201
202		card->index = i;
203		card->pci_priv = priv;
204		card->tx_led.brightness_set = led_tx_set;
205		card->tx_led.default_trigger = devm_kasprintf(&pdev->dev,
206						GFP_KERNEL, "arc%d-%d-tx",
207						dev->dev_id, i);
208		card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
209						"pci:green:tx:%d-%d",
210						dev->dev_id, i);
211
212		card->tx_led.dev = &dev->dev;
213		card->recon_led.brightness_set = led_recon_set;
214		card->recon_led.default_trigger = devm_kasprintf(&pdev->dev,
215						GFP_KERNEL, "arc%d-%d-recon",
216						dev->dev_id, i);
217		card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
218						"pci:red:recon:%d-%d",
219						dev->dev_id, i);
220		card->recon_led.dev = &dev->dev;
221		card->dev = dev;
222
223		ret = devm_led_classdev_register(&pdev->dev, &card->tx_led);
224		if (ret)
225			goto out_port;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
226
227		ret = devm_led_classdev_register(&pdev->dev, &card->recon_led);
228		if (ret)
229			goto out_port;
230
231		dev_set_drvdata(&dev->dev, card);
232
233		ret = com20020_found(dev, IRQF_SHARED);
234		if (ret)
235			goto out_port;
236
237		devm_arcnet_led_init(dev, dev->dev_id, i);
238
239		list_add(&card->list, &priv->list_dev);
240	}
241
242	pci_set_drvdata(pdev, priv);
243
244	return 0;
245
246out_port:
247	com20020pci_remove(pdev);
248	return ret;
249}
250
251static void com20020pci_remove(struct pci_dev *pdev)
252{
253	struct com20020_dev *card, *tmpcard;
254	struct com20020_priv *priv;
255
256	priv = pci_get_drvdata(pdev);
257
258	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
259		struct net_device *dev = card->dev;
260
261		unregister_netdev(dev);
262		free_irq(dev->irq, dev);
263		free_netdev(dev);
264	}
265}
266
267static struct com20020_pci_card_info card_info_10mbit = {
268	.name = "ARC-PCI",
269	.devcount = 1,
270	.chan_map_tbl = {
271		{
272			.bar = 2,
273			.offset = 0x00,
274			.size = 0x08,
275		},
276	},
277	.flags = ARC_CAN_10MBIT,
278};
279
280static struct com20020_pci_card_info card_info_5mbit = {
281	.name = "ARC-PCI",
282	.devcount = 1,
283	.chan_map_tbl = {
284		{
285			.bar = 2,
286			.offset = 0x00,
287			.size = 0x08,
288		},
289	},
290	.flags = ARC_IS_5MBIT,
291};
292
293static struct com20020_pci_card_info card_info_sohard = {
294	.name = "PLX-PCI",
295	.devcount = 1,
296	/* SOHARD needs PCI base addr 4 */
297	.chan_map_tbl = {
298		{
299			.bar = 4,
300			.offset = 0x00,
301			.size = 0x08
302		},
303	},
304	.flags = ARC_CAN_10MBIT,
305};
306
307static struct com20020_pci_card_info card_info_eae_arc1 = {
308	.name = "EAE PLX-PCI ARC1",
309	.devcount = 1,
310	.chan_map_tbl = {
311		{
312			.bar = 2,
313			.offset = 0x00,
314			.size = 0x08,
315		},
316	},
317	.misc_map = {
318		.bar = 2,
319		.offset = 0x10,
320		.size = 0x04,
321	},
322	.leds = {
323		{
324			.green = 0x0,
325			.red = 0x1,
326		},
327	},
328	.rotary = 0x0,
329	.flags = ARC_CAN_10MBIT,
330};
331
332static struct com20020_pci_card_info card_info_eae_ma1 = {
333	.name = "EAE PLX-PCI MA1",
334	.devcount = 2,
335	.chan_map_tbl = {
336		{
337			.bar = 2,
338			.offset = 0x00,
339			.size = 0x08,
340		}, {
341			.bar = 2,
342			.offset = 0x08,
343			.size = 0x08,
344		}
345	},
346	.misc_map = {
347		.bar = 2,
348		.offset = 0x10,
349		.size = 0x04,
350	},
351	.leds = {
352		{
353			.green = 0x0,
354			.red = 0x1,
355		}, {
356			.green = 0x2,
357			.red = 0x3,
358		},
359	},
360	.rotary = 0x0,
361	.flags = ARC_CAN_10MBIT,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
362};
363
364static const struct pci_device_id com20020pci_id_table[] = {
365	{
366		0x1571, 0xa001,
367		PCI_ANY_ID, PCI_ANY_ID,
368		0, 0,
369		0,
370	},
371	{
372		0x1571, 0xa002,
373		PCI_ANY_ID, PCI_ANY_ID,
374		0, 0,
375		0,
376	},
377	{
378		0x1571, 0xa003,
379		PCI_ANY_ID, PCI_ANY_ID,
380		0, 0,
381		0
382	},
383	{
384		0x1571, 0xa004,
385		PCI_ANY_ID, PCI_ANY_ID,
386		0, 0,
387		0,
388	},
389	{
390		0x1571, 0xa005,
391		PCI_ANY_ID, PCI_ANY_ID,
392		0, 0,
393		0
394	},
395	{
396		0x1571, 0xa006,
397		PCI_ANY_ID, PCI_ANY_ID,
398		0, 0,
399		0
400	},
401	{
402		0x1571, 0xa007,
403		PCI_ANY_ID, PCI_ANY_ID,
404		0, 0,
405		0
406	},
407	{
408		0x1571, 0xa008,
409		PCI_ANY_ID, PCI_ANY_ID,
410		0, 0,
411		0
412	},
413	{
414		0x1571, 0xa009,
415		PCI_ANY_ID, PCI_ANY_ID,
416		0, 0,
417		(kernel_ulong_t)&card_info_5mbit
418	},
419	{
420		0x1571, 0xa00a,
421		PCI_ANY_ID, PCI_ANY_ID,
422		0, 0,
423		(kernel_ulong_t)&card_info_5mbit
424	},
425	{
426		0x1571, 0xa00b,
427		PCI_ANY_ID, PCI_ANY_ID,
428		0, 0,
429		(kernel_ulong_t)&card_info_5mbit
430	},
431	{
432		0x1571, 0xa00c,
433		PCI_ANY_ID, PCI_ANY_ID,
434		0, 0,
435		(kernel_ulong_t)&card_info_5mbit
436	},
437	{
438		0x1571, 0xa00d,
439		PCI_ANY_ID, PCI_ANY_ID,
440		0, 0,
441		(kernel_ulong_t)&card_info_5mbit
442	},
443	{
444		0x1571, 0xa00e,
445		PCI_ANY_ID, PCI_ANY_ID,
446		0, 0,
447		(kernel_ulong_t)&card_info_5mbit
448	},
449	{
450		0x1571, 0xa201,
451		PCI_ANY_ID, PCI_ANY_ID,
452		0, 0,
453		(kernel_ulong_t)&card_info_10mbit
454	},
455	{
456		0x1571, 0xa202,
457		PCI_ANY_ID, PCI_ANY_ID,
458		0, 0,
459		(kernel_ulong_t)&card_info_10mbit
460	},
461	{
462		0x1571, 0xa203,
463		PCI_ANY_ID, PCI_ANY_ID,
464		0, 0,
465		(kernel_ulong_t)&card_info_10mbit
466	},
467	{
468		0x1571, 0xa204,
469		PCI_ANY_ID, PCI_ANY_ID,
470		0, 0,
471		(kernel_ulong_t)&card_info_10mbit
472	},
473	{
474		0x1571, 0xa205,
475		PCI_ANY_ID, PCI_ANY_ID,
476		0, 0,
477		(kernel_ulong_t)&card_info_10mbit
478	},
479	{
480		0x1571, 0xa206,
481		PCI_ANY_ID, PCI_ANY_ID,
482		0, 0,
483		(kernel_ulong_t)&card_info_10mbit
484	},
485	{
486		0x10B5, 0x9030,
487		0x10B5, 0x2978,
488		0, 0,
489		(kernel_ulong_t)&card_info_sohard
490	},
491	{
492		0x10B5, 0x9050,
493		0x10B5, 0x2273,
494		0, 0,
495		(kernel_ulong_t)&card_info_sohard
496	},
497	{
498		0x10B5, 0x9050,
499		0x10B5, 0x3263,
500		0, 0,
501		(kernel_ulong_t)&card_info_eae_arc1
502	},
503	{
504		0x10B5, 0x9050,
505		0x10B5, 0x3292,
506		0, 0,
507		(kernel_ulong_t)&card_info_eae_ma1
 
 
 
 
 
 
508	},
509	{
510		0x14BA, 0x6000,
511		PCI_ANY_ID, PCI_ANY_ID,
512		0, 0,
513		(kernel_ulong_t)&card_info_10mbit
514	},
515	{
516		0x10B5, 0x2200,
517		PCI_ANY_ID, PCI_ANY_ID,
518		0, 0,
519		(kernel_ulong_t)&card_info_10mbit
520	},
521	{ 0, }
522};
523
524MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
525
526static struct pci_driver com20020pci_driver = {
527	.name		= "com20020",
528	.id_table	= com20020pci_id_table,
529	.probe		= com20020pci_probe,
530	.remove		= com20020pci_remove,
531};
532
533static int __init com20020pci_init(void)
534{
535	if (BUGLVL(D_NORMAL))
536		pr_info("%s\n", "COM20020 PCI support");
537	return pci_register_driver(&com20020pci_driver);
538}
539
540static void __exit com20020pci_cleanup(void)
541{
542	pci_unregister_driver(&com20020pci_driver);
543}
544
545module_init(com20020pci_init)
546module_exit(com20020pci_cleanup)