[GitHub/mt8127/android_kernel_alcatel_ttab.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/pci.h>
#include <linux/arcdevice.h>
#include <linux/com20020.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 int __devinit com20020pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
	struct net_device *dev;
	struct arcnet_local *lp;
	int ioaddr, err;

	if (pci_enable_device(pdev))
		return -EIO;
	dev = alloc_arcdev(device);
	if (!dev)
		return -ENOMEM;

	dev->netdev_ops = &com20020_netdev_ops;

	lp = netdev_priv(dev);

	pci_set_drvdata(pdev, dev);

	// SOHARD needs PCI base addr 4
	if (pdev->vendor==0x10B5) {
		BUGMSG(D_NORMAL, "SOHARD\n");
		ioaddr = pci_resource_start(pdev, 4);
	}
	else {
		BUGMSG(D_NORMAL, "Contemporary Controls\n");
		ioaddr = pci_resource_start(pdev, 2);
	}

	if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com20020-pci")) {
		BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n",
		       ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
		err = -EBUSY;
		goto out_dev;
	}

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

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

	if (ASTATUS() == 0xFF) {
		BUGMSG(D_NORMAL, "IO address %Xh was reported by PCI BIOS, "
		       "but seems empty!\n", ioaddr);
		err = -EIO;
		goto out_port;
	}
	if (com20020_check(dev)) {
		err = -EIO;
		goto out_port;
	}

	if ((err = com20020_found(dev, IRQF_SHARED)) != 0)
	        goto out_port;

	return 0;

out_port:
	release_region(ioaddr, ARCNET_TOTAL_SIZE);
out_dev:
	free_netdev(dev);
	return err;
}

static void __devexit com20020pci_remove(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	unregister_netdev(dev);
	free_irq(dev->irq, dev);
	release_region(dev->base_addr, ARCNET_TOTAL_SIZE);
	free_netdev(dev);
}

static DEFINE_PCI_DEVICE_TABLE(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, ARC_IS_5MBIT },
	{ 0x1571, 0xa00a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	{ 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	{ 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	{ 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	{ 0x1571, 0xa00e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	{ 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x10B5, 0x9030, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x10B5, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x14BA, 0x6000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	{ 0x10B5, 0x2200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_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		= __devexit_p(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>
	37	#include <linux/pci.h>
	38	#include <linux/arcdevice.h>
	39	#include <linux/com20020.h>
	40
	41	#include <asm/io.h>
	42
	43
	44	#define VERSION "arcnet: COM20020 PCI support\n"
	45
	46	/* Module parameters */
	47
	48	static int node;
	49	static char device[9]; /* use eg. device="arc1" to change name */
	50	static int timeout = 3;
	51	static int backplane;
	52	static int clockp;
	53	static int clockm;
	54
	55	module_param(node, int, 0);
	56	module_param_string(device, device, sizeof(device), 0);
	57	module_param(timeout, int, 0);
	58	module_param(backplane, int, 0);
	59	module_param(clockp, int, 0);
	60	module_param(clockm, int, 0);
	61	MODULE_LICENSE("GPL");
	62
	63	static int __devinit com20020pci_probe(struct pci_dev pdev, const struct pci_device_id id)
	64	{
	65	struct net_device *dev;
	66	struct arcnet_local *lp;
	67	int ioaddr, err;
	68
	69	if (pci_enable_device(pdev))
	70	return -EIO;
	71	dev = alloc_arcdev(device);
	72	if (!dev)
	73	return -ENOMEM;
a1799af4 SH	74
	75	dev->netdev_ops = &com20020_netdev_ops;
	76
454d7c9b	77	lp = netdev_priv(dev);
1da177e4 LT	78
	79	pci_set_drvdata(pdev, dev);
	80
	81	// SOHARD needs PCI base addr 4
	82	if (pdev->vendor==0x10B5) {
	83	BUGMSG(D_NORMAL, "SOHARD\n");
	84	ioaddr = pci_resource_start(pdev, 4);
	85	}
	86	else {
	87	BUGMSG(D_NORMAL, "Contemporary Controls\n");
	88	ioaddr = pci_resource_start(pdev, 2);
	89	}
	90
	91	if (!request_region(ioaddr, ARCNET_TOTAL_SIZE, "com20020-pci")) {
	92	BUGMSG(D_INIT, "IO region %xh-%xh already allocated.\n",
	93	ioaddr, ioaddr + ARCNET_TOTAL_SIZE - 1);
	94	err = -EBUSY;
	95	goto out_dev;
	96	}
	97
	98	// Dummy access after Reset
	99	// ARCNET controller needs this access to detect bustype
	100	outb(0x00,ioaddr+1);
	101	inb(ioaddr+1);
	102
	103	dev->base_addr = ioaddr;
	104	dev->irq = pdev->irq;
	105	dev->dev_addr[0] = node;
	106	lp->card_name = "PCI COM20020";
	107	lp->card_flags = id->driver_data;
	108	lp->backplane = backplane;
	109	lp->clockp = clockp & 7;
	110	lp->clockm = clockm & 3;
	111	lp->timeout = timeout;
	112	lp->hw.owner = THIS_MODULE;
	113
	114	if (ASTATUS() == 0xFF) {
	115	BUGMSG(D_NORMAL, "IO address %Xh was reported by PCI BIOS, "
	116	"but seems empty!\n", ioaddr);
	117	err = -EIO;
	118	goto out_port;
	119	}
	120	if (com20020_check(dev)) {
	121	err = -EIO;
	122	goto out_port;
	123	}
	124
1fb9df5d	125	if ((err = com20020_found(dev, IRQF_SHARED)) != 0)
1da177e4 LT	126	goto out_port;
	127
	128	return 0;
	129
	130	out_port:
	131	release_region(ioaddr, ARCNET_TOTAL_SIZE);
	132	out_dev:
	133	free_netdev(dev);
	134	return err;
	135	}
	136
	137	static void __devexit com20020pci_remove(struct pci_dev *pdev)
	138	{
	139	struct net_device *dev = pci_get_drvdata(pdev);
	140	unregister_netdev(dev);
	141	free_irq(dev->irq, dev);
	142	release_region(dev->base_addr, ARCNET_TOTAL_SIZE);
	143	free_netdev(dev);
	144	}
	145
a3aa1884	146	static DEFINE_PCI_DEVICE_TABLE(com20020pci_id_table) = {
1da177e4 LT	147	{ 0x1571, 0xa001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	148	{ 0x1571, 0xa002, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	149	{ 0x1571, 0xa003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	150	{ 0x1571, 0xa004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	151	{ 0x1571, 0xa005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	152	{ 0x1571, 0xa006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	153	{ 0x1571, 0xa007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	154	{ 0x1571, 0xa008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	155	{ 0x1571, 0xa009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	156	{ 0x1571, 0xa00a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	157	{ 0x1571, 0xa00b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	158	{ 0x1571, 0xa00c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
	159	{ 0x1571, 0xa00d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
52edc17f	160	{ 0x1571, 0xa00e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_IS_5MBIT },
1da177e4 LT	161	{ 0x1571, 0xa201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	162	{ 0x1571, 0xa202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	163	{ 0x1571, 0xa203, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	164	{ 0x1571, 0xa204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	165	{ 0x1571, 0xa205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
	166	{ 0x1571, 0xa206, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
62872e2d	167	{ 0x10B5, 0x9030, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
1da177e4	168	{ 0x10B5, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
52edc17f JM	169	{ 0x14BA, 0x6000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
52edc17f JM	170	{ 0x10B5, 0x2200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ARC_CAN_10MBIT },
1da177e4 LT	171	{0,}
	172	};
	173
	174	MODULE_DEVICE_TABLE(pci, com20020pci_id_table);
	175
	176	static struct pci_driver com20020pci_driver = {
	177	.name = "com20020",
	178	.id_table = com20020pci_id_table,
	179	.probe = com20020pci_probe,
	180	.remove = __devexit_p(com20020pci_remove),
	181	};
	182
	183	static int __init com20020pci_init(void)
	184	{
	185	BUGLVL(D_NORMAL) printk(VERSION);
29917620	186	return pci_register_driver(&com20020pci_driver);
1da177e4 LT	187	}
	188
	189	static void __exit com20020pci_cleanup(void)
	190	{
	191	pci_unregister_driver(&com20020pci_driver);
	192	}
	193
	194	module_init(com20020pci_init)
	195	module_exit(com20020pci_cleanup)