[deliverable/linux.git] / drivers / net / arcnet / com20020-pci.c

/*
 * Linux ARCnet driver - COM20020 PCI support
 * Contemporary Controls PCI20 and SOHARD SH-ARC PCI
 * 
 * Written 1994-1999 by Avery Pennarun,
 *    based on an ISA version by David Woodhouse.
 * Written 1999-2000 by Martin Mares <mj@ucw.cz>.
 * Derived from skeleton.c by Donald Becker.
 *
 * Special thanks to Contemporary Controls, Inc. (www.ccontrols.com)
 *  for sponsoring the further development of this driver.
 *
 * **********************
 *
 * The original copyright of skeleton.c was as follows:
 *
 * skeleton.c Written 1993 by Donald Becker.
 * Copyright 1993 United States Government as represented by the
 * Director, National Security Agency.  This software may only be used
 * and distributed according to the terms of the GNU General Public License as
 * modified by SRC, incorporated herein by reference.
 *
 * **********************
 *
 * For more details, see drivers/net/arcnet.c
 *
 * **********************
 */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/arcdevice.h>
#include <linux/com20020.h>
#include <linux/list.h>

#include <asm/io.h>


#define VERSION "arcnet: COM20020 PCI support\n"

/* Module parameters */

static int node;
static char device[9];		/* use eg. device="arc1" to change name */
static int timeout = 3;
static int backplane;
static int clockp;
static int clockm;

module_param(node, int, 0);
module_param_string(device, device, sizeof(device), 0);
module_param(timeout, int, 0);
module_param(backplane, int, 0);
module_param(clockp, int, 0);
module_param(clockm, int, 0);
MODULE_LICENSE("GPL");

static void com20020pci_remove(struct pci_dev *pdev);

static int com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
	struct com20020_pci_card_info *ci;
	struct net_device *dev;
	struct arcnet_local *lp;
	struct com20020_priv *priv;
	int i, ioaddr, ret;
	struct resource *r;

	if (pci_enable_device(pdev))
		return -EIO;

	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
			    GFP_KERNEL);
	ci = (struct com20020_pci_card_info *)id->driver_data;
	priv->ci = ci;

	INIT_LIST_HEAD(&priv->list_dev);


	for (i = 0; i < ci->devcount; i++) {
		struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
		struct com20020_dev *card;

		dev = alloc_arcdev(device);
		if (!dev) {
			ret = -ENOMEM;
			goto out_port;
		}

		dev->netdev_ops = &com20020_netdev_ops;

		lp = netdev_priv(dev);

		BUGMSG(D_NORMAL, "%s Controls\n", ci->name);
		ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;

		r = devm_request_region(&pdev->dev, ioaddr, cm->size,
					"com20020-pci");
		if (!r) {
			pr_err("IO region %xh-%xh already allocated.\n",
			       ioaddr, ioaddr + cm->size - 1);
			ret = -EBUSY;
			goto out_port;
		}

		/* Dummy access after Reset
		 * ARCNET controller needs
		 * this access to detect bustype
		 */
		outb(0x00, ioaddr + 1);
		inb(ioaddr + 1);

		dev->base_addr = ioaddr;
		dev->dev_addr[0] = node;
		dev->irq = pdev->irq;
		lp->card_name = "PCI COM20020";
		lp->card_flags = ci->flags;
		lp->backplane = backplane;
		lp->clockp = clockp & 7;
		lp->clockm = clockm & 3;
		lp->timeout = timeout;
		lp->hw.owner = THIS_MODULE;

		if (ASTATUS() == 0xFF) {
			pr_err("IO address %Xh is empty!\n", ioaddr);
			ret = -EIO;
			goto out_port;
		}
		if (com20020_check(dev)) {
			ret = -EIO;
			goto out_port;
		}

		card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
				    GFP_KERNEL);
		if (!card) {
			pr_err("%s out of memory!\n", __func__);
			return -ENOMEM;
		}

		card->index = i;
		card->pci_priv = priv;
		card->dev = dev;

		dev_set_drvdata(&dev->dev, card);

		ret = com20020_found(dev, IRQF_SHARED);
		if (ret)
			goto out_port;

		list_add(&card->list, &priv->list_dev);
	}

	pci_set_drvdata(pdev, priv);

	return 0;

out_port:
	com20020pci_remove(pdev);
	return ret;
}

static void com20020pci_remove(struct pci_dev *pdev)
{
	struct com20020_dev *card, *tmpcard;
	struct com20020_priv *priv;

	priv = pci_get_drvdata(pdev);

	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
		struct net_device *dev = card->dev;

		unregister_netdev(dev);
		free_irq(dev->irq, dev);
		free_netdev(dev);
	}
}

static struct com20020_pci_card_info card_info_10mbit = {
	.name = "ARC-PCI",
	.devcount = 1,
	.chan_map_tbl = {
		{ 2, 0x00, 0x08 },
	},
	.flags = ARC_CAN_10MBIT,
};

static struct com20020_pci_card_info card_info_5mbit = {
	.name = "ARC-PCI",
	.devcount = 1,
	.chan_map_tbl = {
		{ 2, 0x00, 0x08 },
	},
	.flags = ARC_IS_5MBIT,
};

static struct com20020_pci_card_info card_info_sohard = {
	.name = "PLX-PCI",
	.devcount = 1,
	/* SOHARD needs PCI base addr 4 */
	.chan_map_tbl = {
		{4, 0x00, 0x08},
	},
	.flags = ARC_CAN_10MBIT,
};

static const struct pci_device_id com20020pci_id_table[] = {
	{
		0x1571, 0xa001,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0,
	},
	{
		0x1571, 0xa002,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0,
	},
	{
		0x1571, 0xa003,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0
	},
	{
		0x1571, 0xa004,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0,
	},
	{
		0x1571, 0xa005,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0
	},
	{
		0x1571, 0xa006,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0
	},
	{
		0x1571, 0xa007,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0
	},
	{
		0x1571, 0xa008,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		0
	},
	{
		0x1571, 0xa009,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_5mbit
	},
	{
		0x1571, 0xa00a,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_5mbit
	},
	{
		0x1571, 0xa00b,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_5mbit
	},
	{
		0x1571, 0xa00c,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_5mbit
	},
	{
		0x1571, 0xa00d,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_5mbit
	},
	{
		0x1571, 0xa00e,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_5mbit
	},
	{
		0x1571, 0xa201,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x1571, 0xa202,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x1571, 0xa203,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x1571, 0xa204,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x1571, 0xa205,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x1571, 0xa206,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x10B5, 0x9030,
		0x10B5, 0x2978,
		0, 0,
		(kernel_ulong_t)&card_info_sohard
	},
	{
		0x10B5, 0x9050,
		0x10B5, 0x2273,
		0, 0,
		(kernel_ulong_t)&card_info_sohard
	},
	{
		0x14BA, 0x6000,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{
		0x10B5, 0x2200,
		PCI_ANY_ID, PCI_ANY_ID,
		0, 0,
		(kernel_ulong_t)&card_info_10mbit
	},
	{ 0, }
};

MODULE_DEVICE_TABLE(pci, com20020pci_id_table);

static struct pci_driver com20020pci_driver = {
	.name		= "com20020",
	.id_table	= com20020pci_id_table,
	.probe		= com20020pci_probe,
	.remove		= com20020pci_remove,
};

static int __init com20020pci_init(void)
{
	BUGLVL(D_NORMAL) printk(VERSION);
	return pci_register_driver(&com20020pci_driver);
}

static void __exit com20020pci_cleanup(void)
{
	pci_unregister_driver(&com20020pci_driver);
}

module_init(com20020pci_init)
module_exit(com20020pci_cleanup)
Commit	Line	Data
1da177e4 LT	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	#include <linux/module.h>
	30	#include <linux/moduleparam.h>
	31	#include <linux/kernel.h>
	32	#include <linux/types.h>
	33	#include <linux/ioport.h>
1da177e4 LT	34	#include <linux/errno.h>
	35	#include <linux/netdevice.h>
	36	#include <linux/init.h>
a6b7a407	37	#include <linux/interrupt.h>
1da177e4 LT	38	#include <linux/pci.h>
	39	#include <linux/arcdevice.h>
	40	#include <linux/com20020.h>
c51da42a	41	#include <linux/list.h>
1da177e4 LT	42
	43	#include <asm/io.h>
	44
	45
	46	#define VERSION "arcnet: COM20020 PCI support\n"
	47
	48	/* Module parameters */
	49
	50	static int node;
	51	static char device[9]; /* use eg. device="arc1" to change name */
	52	static int timeout = 3;
	53	static int backplane;
	54	static int clockp;
	55	static int clockm;
	56
	57	module_param(node, int, 0);
	58	module_param_string(device, device, sizeof(device), 0);
	59	module_param(timeout, int, 0);
	60	module_param(backplane, int, 0);
	61	module_param(clockp, int, 0);
	62	module_param(clockm, int, 0);
	63	MODULE_LICENSE("GPL");
	64
c51da42a MG	65	static void com20020pci_remove(struct pci_dev *pdev);
c51da42a MG	66
7c47bab6	67	static int com20020pci_probe(struct pci_dev pdev, const struct pci_device_id id)
1da177e4	68	{
8c14f9c7	69	struct com20020_pci_card_info *ci;
1da177e4 LT	70	struct net_device *dev;
1da177e4 LT	71	struct arcnet_local *lp;
c51da42a MG	72	struct com20020_priv *priv;
	73	int i, ioaddr, ret;
	74	struct resource *r;
1da177e4 LT	75
	76	if (pci_enable_device(pdev))
	77	return -EIO;
a1799af4	78
c51da42a MG	79	priv = devm_kzalloc(&pdev->dev, sizeof(struct com20020_priv),
c51da42a MG	80	GFP_KERNEL);
8c14f9c7	81	ci = (struct com20020_pci_card_info *)id->driver_data;
c51da42a MG	82	priv->ci = ci;
	83
	84	INIT_LIST_HEAD(&priv->list_dev);
	85
	86
	87	for (i = 0; i < ci->devcount; i++) {
	88	struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i];
	89	struct com20020_dev *card;
	90
	91	dev = alloc_arcdev(device);
	92	if (!dev) {
	93	ret = -ENOMEM;
	94	goto out_port;
	95	}
	96
	97	dev->netdev_ops = &com20020_netdev_ops;
	98
	99	lp = netdev_priv(dev);
	100
	101	BUGMSG(D_NORMAL, "%s Controls\n", ci->name);
	102	ioaddr = pci_resource_start(pdev, cm->bar) + cm->offset;
	103
	104	r = devm_request_region(&pdev->dev, ioaddr, cm->size,
	105	"com20020-pci");
	106	if (!r) {
	107	pr_err("IO region %xh-%xh already allocated.\n",
	108	ioaddr, ioaddr + cm->size - 1);
	109	ret = -EBUSY;
	110	goto out_port;
	111	}
	112
	113	/* Dummy access after Reset
	114	* ARCNET controller needs
	115	* this access to detect bustype
	116	*/
	117	outb(0x00, ioaddr + 1);
	118	inb(ioaddr + 1);
	119
	120	dev->base_addr = ioaddr;
	121	dev->dev_addr[0] = node;
	122	dev->irq = pdev->irq;
	123	lp->card_name = "PCI COM20020";
	124	lp->card_flags = ci->flags;
	125	lp->backplane = backplane;
	126	lp->clockp = clockp & 7;
	127	lp->clockm = clockm & 3;
	128	lp->timeout = timeout;
	129	lp->hw.owner = THIS_MODULE;
	130
	131	if (ASTATUS() == 0xFF) {
	132	pr_err("IO address %Xh is empty!\n", ioaddr);
	133	ret = -EIO;
	134	goto out_port;
	135	}
	136	if (com20020_check(dev)) {
	137	ret = -EIO;
	138	goto out_port;
	139	}
	140
	141	card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev),
	142	GFP_KERNEL);
	143	if (!card) {
	144	pr_err("%s out of memory!\n", __func__);
	145	return -ENOMEM;
146	}
147
148	card->index = i;
149	card->pci_priv = priv;
150	card->dev = dev;
151
152	dev_set_drvdata(&dev->dev, card);
153
154	ret = com20020_found(dev, IRQF_SHARED);
155	if (ret)
156	goto out_port;
157
158	list_add(&card->list, &priv->list_dev);
1da177e4 LT	159	}
1da177e4 LT	160
c51da42a	161	pci_set_drvdata(pdev, priv);
1da177e4 LT	162
	163	return 0;
	164
	165	out_port:
c51da42a MG	166	com20020pci_remove(pdev);
c51da42a MG	167	return ret;
1da177e4 LT	168	}
1da177e4 LT	169
7c47bab6	170	static void com20020pci_remove(struct pci_dev *pdev)
1da177e4	171	{
c51da42a MG	172	struct com20020_dev card, tmpcard;
	173	struct com20020_priv *priv;
	174
	175	priv = pci_get_drvdata(pdev);
	176
	177	list_for_each_entry_safe(card, tmpcard, &priv->list_dev, list) {
	178	struct net_device *dev = card->dev;
	179
	180	unregister_netdev(dev);
	181	free_irq(dev->irq, dev);
	182	free_netdev(dev);
	183	}
1da177e4 LT	184	}
1da177e4 LT	185
8c14f9c7 MG	186	static struct com20020_pci_card_info card_info_10mbit = {
	187	.name = "ARC-PCI",
	188	.devcount = 1,
	189	.chan_map_tbl = {
	190	{ 2, 0x00, 0x08 },
	191	},
	192	.flags = ARC_CAN_10MBIT,
	193	};
	194
	195	static struct com20020_pci_card_info card_info_5mbit = {
	196	.name = "ARC-PCI",
	197	.devcount = 1,
	198	.chan_map_tbl = {
	199	{ 2, 0x00, 0x08 },
	200	},
	201	.flags = ARC_IS_5MBIT,
	202	};
	203
	204	static struct com20020_pci_card_info card_info_sohard = {
	205	.name = "PLX-PCI",
	206	.devcount = 1,
	207	/* SOHARD needs PCI base addr 4 */
	208	.chan_map_tbl = {
	209	{4, 0x00, 0x08},
	210	},
	211	.flags = ARC_CAN_10MBIT,
	212	};
	213
9baa3c34	214	static const struct pci_device_id com20020pci_id_table[] = {
8c14f9c7 MG	215	{
	216	0x1571, 0xa001,
	217	PCI_ANY_ID, PCI_ANY_ID,
	218	0, 0,
	219	0,
	220	},
	221	{
	222	0x1571, 0xa002,
	223	PCI_ANY_ID, PCI_ANY_ID,
	224	0, 0,
	225	0,
	226	},
	227	{
	228	0x1571, 0xa003,
	229	PCI_ANY_ID, PCI_ANY_ID,
	230	0, 0,
	231	0
	232	},
	233	{
	234	0x1571, 0xa004,
	235	PCI_ANY_ID, PCI_ANY_ID,
	236	0, 0,
	237	0,
	238	},
	239	{
	240	0x1571, 0xa005,
	241	PCI_ANY_ID, PCI_ANY_ID,
	242	0, 0,
	243	0
	244	},
	245	{
	246	0x1571, 0xa006,
	247	PCI_ANY_ID, PCI_ANY_ID,
	248	0, 0,
	249	0
	250	},
	251	{
	252	0x1571, 0xa007,
	253	PCI_ANY_ID, PCI_ANY_ID,
	254	0, 0,
	255	0
	256	},
	257	{
	258	0x1571, 0xa008,
	259	PCI_ANY_ID, PCI_ANY_ID,
	260	0, 0,
	261	0
	262	},
	263	{
	264	0x1571, 0xa009,
	265	PCI_ANY_ID, PCI_ANY_ID,
	266	0, 0,
	267	(kernel_ulong_t)&card_info_5mbit
	268	},
	269	{
	270	0x1571, 0xa00a,
	271	PCI_ANY_ID, PCI_ANY_ID,
	272	0, 0,
	273	(kernel_ulong_t)&card_info_5mbit
	274	},
	275	{
	276	0x1571, 0xa00b,
	277	PCI_ANY_ID, PCI_ANY_ID,
	278	0, 0,
279	(kernel_ulong_t)&card_info_5mbit
280	},
281	{
282	0x1571, 0xa00c,
283	PCI_ANY_ID, PCI_ANY_ID,
284	0, 0,
285	(kernel_ulong_t)&card_info_5mbit
286	},
287	{
288	0x1571, 0xa00d,
289	PCI_ANY_ID, PCI_ANY_ID,
290	0, 0,
291	(kernel_ulong_t)&card_info_5mbit
292	},
293	{
294	0x1571, 0xa00e,
295	PCI_ANY_ID, PCI_ANY_ID,
296	0, 0,
297	(kernel_ulong_t)&card_info_5mbit
298	},
299	{
300	0x1571, 0xa201,
301	PCI_ANY_ID, PCI_ANY_ID,
302	0, 0,
303	(kernel_ulong_t)&card_info_10mbit
304	},
305	{
306	0x1571, 0xa202,
307	PCI_ANY_ID, PCI_ANY_ID,
308	0, 0,
309	(kernel_ulong_t)&card_info_10mbit
310	},
311	{
312	0x1571, 0xa203,
313	PCI_ANY_ID, PCI_ANY_ID,
314	0, 0,
315	(kernel_ulong_t)&card_info_10mbit
316	},
317	{
318	0x1571, 0xa204,
319	PCI_ANY_ID, PCI_ANY_ID,
320	0, 0,
321	(kernel_ulong_t)&card_info_10mbit
322	},
323	{
324	0x1571, 0xa205,
325	PCI_ANY_ID, PCI_ANY_ID,
326	0, 0,
327	(kernel_ulong_t)&card_info_10mbit
328	},
329	{
330	0x1571, 0xa206,
331	PCI_ANY_ID, PCI_ANY_ID,
332	0, 0,
333	(kernel_ulong_t)&card_info_10mbit
334	},
335	{
336	0x10B5, 0x9030,
337	0x10B5, 0x2978,
338	0, 0,
339	(kernel_ulong_t)&card_info_sohard
340	},
341	{
342	0x10B5, 0x9050,
343	0x10B5, 0x2273,
344	0, 0,
345	(kernel_ulong_t)&card_info_sohard
346	},
347	{
348	0x14BA, 0x6000,
349	PCI_ANY_ID, PCI_ANY_ID,
350	0, 0,
351	(kernel_ulong_t)&card_info_10mbit
352	},
353	{
354	0x10B5, 0x2200,
355	PCI_ANY_ID, PCI_ANY_ID,
356	0, 0,
357	(kernel_ulong_t)&card_info_10mbit
358	},
359	{ 0, }
1da177e4 LT	360	};
	361
	362	MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
	363
	364	static struct pci_driver com20020pci_driver = {
	365	.name = "com20020",
	366	.id_table = com20020pci_id_table,
	367	.probe = com20020pci_probe,
7c47bab6	368	.remove = com20020pci_remove,
1da177e4 LT	369	};
	370
	371	static int __init com20020pci_init(void)
	372	{
	373	BUGLVL(D_NORMAL) printk(VERSION);
29917620	374	return pci_register_driver(&com20020pci_driver);
1da177e4 LT	375	}
	376
	377	static void __exit com20020pci_cleanup(void)
	378	{
	379	pci_unregister_driver(&com20020pci_driver);
	380	}
	381
	382	module_init(com20020pci_init)
	383	module_exit(com20020pci_cleanup)