[deliverable/linux.git] / drivers / net / phy / lxt.c

/*
 * drivers/net/phy/lxt.c
 *
 * Driver for Intel LXT PHYs
 *
 * Author: Andy Fleming
 *
 * Copyright (c) 2004 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 *
 */
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>

/* The Level one LXT970 is used by many boards				     */

#define MII_LXT970_IER       17  /* Interrupt Enable Register */

#define MII_LXT970_IER_IEN	0x0002

#define MII_LXT970_ISR       18  /* Interrupt Status Register */

#define MII_LXT970_CONFIG    19  /* Configuration Register    */

/* ------------------------------------------------------------------------- */
/* The Level one LXT971 is used on some of my custom boards                  */

/* register definitions for the 971 */
#define MII_LXT971_IER		18  /* Interrupt Enable Register */
#define MII_LXT971_IER_IEN	0x00f2

#define MII_LXT971_ISR		19  /* Interrupt Status Register */


MODULE_DESCRIPTION("Intel LXT PHY driver");
MODULE_AUTHOR("Andy Fleming");
MODULE_LICENSE("GPL");

static int lxt970_ack_interrupt(struct phy_device *phydev)
{
	int err;

	err = phy_read(phydev, MII_BMSR);

	if (err < 0)
		return err;

	err = phy_read(phydev, MII_LXT970_ISR);

	if (err < 0)
		return err;

	return 0;
}

static int lxt970_config_intr(struct phy_device *phydev)
{
	int err;

	if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
		err = phy_write(phydev, MII_LXT970_IER, MII_LXT970_IER_IEN);
	else
		err = phy_write(phydev, MII_LXT970_IER, 0);

	return err;
}

static int lxt970_config_init(struct phy_device *phydev)
{
	int err;

	err = phy_write(phydev, MII_LXT970_CONFIG, 0);

	return err;
}


static int lxt971_ack_interrupt(struct phy_device *phydev)
{
	int err = phy_read(phydev, MII_LXT971_ISR);

	if (err < 0)
		return err;

	return 0;
}

static int lxt971_config_intr(struct phy_device *phydev)
{
	int err;

	if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
		err = phy_write(phydev, MII_LXT971_IER, MII_LXT971_IER_IEN);
	else
		err = phy_write(phydev, MII_LXT971_IER, 0);

	return err;
}

static struct phy_driver lxt970_driver = {
	.phy_id		= 0x07810000,
	.name		= "LXT970",
	.phy_id_mask	= 0x0fffffff,
	.features	= PHY_BASIC_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_init	= lxt970_config_init,
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.ack_interrupt	= lxt970_ack_interrupt,
	.config_intr	= lxt970_config_intr,
	.driver 	= { .owner = THIS_MODULE,},
};

static struct phy_driver lxt971_driver = {
	.phy_id		= 0x0001378e,
	.name		= "LXT971",
	.phy_id_mask	= 0x0fffffff,
	.features	= PHY_BASIC_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.ack_interrupt	= lxt971_ack_interrupt,
	.config_intr	= lxt971_config_intr,
	.driver 	= { .owner = THIS_MODULE,},
};

static int __init lxt_init(void)
{
	int ret;

	ret = phy_driver_register(&lxt970_driver);
	if (ret)
		goto err1;

	ret = phy_driver_register(&lxt971_driver);
	if (ret)
		goto err2;
	return 0;

 err2:	
	phy_driver_unregister(&lxt970_driver);
 err1:
	return ret;
}

static void __exit lxt_exit(void)
{
	phy_driver_unregister(&lxt970_driver);
	phy_driver_unregister(&lxt971_driver);
}

module_init(lxt_init);
module_exit(lxt_exit);
Commit	Line	Data
00db8189 AF	1	/*
	2	* drivers/net/phy/lxt.c
	3	*
	4	* Driver for Intel LXT PHYs
	5	*
	6	* Author: Andy Fleming
	7	*
	8	* Copyright (c) 2004 Freescale Semiconductor, Inc.
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
	15	*/
	16	#include <linux/config.h>
	17	#include <linux/kernel.h>
	18	#include <linux/sched.h>
	19	#include <linux/string.h>
	20	#include <linux/errno.h>
	21	#include <linux/unistd.h>
	22	#include <linux/slab.h>
	23	#include <linux/interrupt.h>
	24	#include <linux/init.h>
	25	#include <linux/delay.h>
	26	#include <linux/netdevice.h>
	27	#include <linux/etherdevice.h>
	28	#include <linux/skbuff.h>
	29	#include <linux/spinlock.h>
	30	#include <linux/mm.h>
	31	#include <linux/module.h>
00db8189 AF	32	#include <linux/mii.h>
	33	#include <linux/ethtool.h>
	34	#include <linux/phy.h>
	35
	36	#include <asm/io.h>
	37	#include <asm/irq.h>
	38	#include <asm/uaccess.h>
	39
	40	/* The Level one LXT970 is used by many boards */
	41
	42	#define MII_LXT970_IER 17 /* Interrupt Enable Register */
	43
	44	#define MII_LXT970_IER_IEN 0x0002
	45
	46	#define MII_LXT970_ISR 18 /* Interrupt Status Register */
	47
	48	#define MII_LXT970_CONFIG 19 /* Configuration Register */
	49
	50	/* ------------------------------------------------------------------------- */
	51	/* The Level one LXT971 is used on some of my custom boards */
	52
	53	/* register definitions for the 971 */
	54	#define MII_LXT971_IER 18 /* Interrupt Enable Register */
	55	#define MII_LXT971_IER_IEN 0x00f2
	56
	57	#define MII_LXT971_ISR 19 /* Interrupt Status Register */
	58
	59
	60	MODULE_DESCRIPTION("Intel LXT PHY driver");
	61	MODULE_AUTHOR("Andy Fleming");
	62	MODULE_LICENSE("GPL");
	63
	64	static int lxt970_ack_interrupt(struct phy_device *phydev)
	65	{
	66	int err;
	67
	68	err = phy_read(phydev, MII_BMSR);
	69
	70	if (err < 0)
	71	return err;
	72
	73	err = phy_read(phydev, MII_LXT970_ISR);
	74
	75	if (err < 0)
	76	return err;
	77
	78	return 0;
	79	}
	80
	81	static int lxt970_config_intr(struct phy_device *phydev)
	82	{
	83	int err;
	84
	85	if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
	86	err = phy_write(phydev, MII_LXT970_IER, MII_LXT970_IER_IEN);
	87	else
	88	err = phy_write(phydev, MII_LXT970_IER, 0);
	89
	90	return err;
	91	}
	92
	93	static int lxt970_config_init(struct phy_device *phydev)
	94	{
	95	int err;
96
97	err = phy_write(phydev, MII_LXT970_CONFIG, 0);
98
99	return err;
100	}
101
102
103	static int lxt971_ack_interrupt(struct phy_device *phydev)
104	{
105	int err = phy_read(phydev, MII_LXT971_ISR);
106
107	if (err < 0)
108	return err;
109
110	return 0;
111	}
112
113	static int lxt971_config_intr(struct phy_device *phydev)
114	{
115	int err;
116
117	if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
118	err = phy_write(phydev, MII_LXT971_IER, MII_LXT971_IER_IEN);
119	else
120	err = phy_write(phydev, MII_LXT971_IER, 0);
121
122	return err;
123	}
124
125	static struct phy_driver lxt970_driver = {
126	.phy_id = 0x07810000,
127	.name = "LXT970",
128	.phy_id_mask = 0x0fffffff,
129	.features = PHY_BASIC_FEATURES,
130	.flags = PHY_HAS_INTERRUPT,
131	.config_init = lxt970_config_init,
132	.config_aneg = genphy_config_aneg,
133	.read_status = genphy_read_status,
134	.ack_interrupt = lxt970_ack_interrupt,
135	.config_intr = lxt970_config_intr,
136	.driver = { .owner = THIS_MODULE,},
137	};
138
139	static struct phy_driver lxt971_driver = {
140	.phy_id = 0x0001378e,
141	.name = "LXT971",
142	.phy_id_mask = 0x0fffffff,
143	.features = PHY_BASIC_FEATURES,
144	.flags = PHY_HAS_INTERRUPT,
145	.config_aneg = genphy_config_aneg,
146	.read_status = genphy_read_status,
147	.ack_interrupt = lxt971_ack_interrupt,
148	.config_intr = lxt971_config_intr,
149	.driver = { .owner = THIS_MODULE,},
150	};
151
152	static int __init lxt_init(void)
153	{
154	int ret;
155
156	ret = phy_driver_register(&lxt970_driver);
157	if (ret)
158	goto err1;
159
160	ret = phy_driver_register(&lxt971_driver);
161	if (ret)
162	goto err2;
163	return 0;
164
165	err2:
166	phy_driver_unregister(&lxt970_driver);
167	err1:
168	return ret;
169	}
170
171	static void __exit lxt_exit(void)
172	{
173	phy_driver_unregister(&lxt970_driver);
174	phy_driver_unregister(&lxt971_driver);
175	}
176
177	module_init(lxt_init);
178	module_exit(lxt_exit);