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

/*
 * drivers/net/phy/realtek.c
 *
 * Driver for Realtek PHYs
 *
 * Author: Johnson Leung <r58129@freescale.com>
 *
 * 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/phy.h>
#include <linux/module.h>

#define RTL821x_PHYSR		0x11
#define RTL821x_PHYSR_DUPLEX	0x2000
#define RTL821x_PHYSR_SPEED	0xc000
#define RTL821x_INER		0x12
#define RTL821x_INER_INIT	0x6400
#define RTL821x_INSR		0x13

#define	RTL8211E_INER_LINK_STAT	0x10

MODULE_DESCRIPTION("Realtek PHY driver");
MODULE_AUTHOR("Johnson Leung");
MODULE_LICENSE("GPL");

static int rtl821x_ack_interrupt(struct phy_device *phydev)
{
	int err;

	err = phy_read(phydev, RTL821x_INSR);

	return (err < 0) ? err : 0;
}

static int rtl8211b_config_intr(struct phy_device *phydev)
{
	int err;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
		err = phy_write(phydev, RTL821x_INER,
				RTL821x_INER_INIT);
	else
		err = phy_write(phydev, RTL821x_INER, 0);

	return err;
}

static int rtl8211e_config_intr(struct phy_device *phydev)
{
	int err;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
		err = phy_write(phydev, RTL821x_INER,
				RTL8211E_INER_LINK_STAT);
	else
		err = phy_write(phydev, RTL821x_INER, 0);

	return err;
}

/* RTL8211B */
static struct phy_driver rtl8211b_driver = {
	.phy_id		= 0x001cc912,
	.name		= "RTL8211B Gigabit Ethernet",
	.phy_id_mask	= 0x001fffff,
	.features	= PHY_GBIT_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_aneg	= &genphy_config_aneg,
	.read_status	= &genphy_read_status,
	.ack_interrupt	= &rtl821x_ack_interrupt,
	.config_intr	= &rtl8211b_config_intr,
	.driver		= { .owner = THIS_MODULE,},
};

/* RTL8211E */
static struct phy_driver rtl8211e_driver = {
	.phy_id		= 0x001cc915,
	.name		= "RTL8211E Gigabit Ethernet",
	.phy_id_mask	= 0x001fffff,
	.features	= PHY_GBIT_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_aneg	= &genphy_config_aneg,
	.read_status	= &genphy_read_status,
	.ack_interrupt	= &rtl821x_ack_interrupt,
	.config_intr	= &rtl8211e_config_intr,
	.suspend	= genphy_suspend,
	.resume		= genphy_resume,
	.driver		= { .owner = THIS_MODULE,},
};

static int __init realtek_init(void)
{
	int ret;

	ret = phy_driver_register(&rtl8211b_driver);
	if (ret < 0)
		return -ENODEV;
	return phy_driver_register(&rtl8211e_driver);
}

static void __exit realtek_exit(void)
{
	phy_driver_unregister(&rtl8211b_driver);
	phy_driver_unregister(&rtl8211e_driver);
}

module_init(realtek_init);
module_exit(realtek_exit);

static struct mdio_device_id __maybe_unused realtek_tbl[] = {
	{ 0x001cc912, 0x001fffff },
	{ 0x001cc915, 0x001fffff },
	{ }
};

MODULE_DEVICE_TABLE(mdio, realtek_tbl);
Commit	Line	Data
097c2aa8 JL	1	/*
	2	* drivers/net/phy/realtek.c
	3	*
	4	* Driver for Realtek PHYs
	5	*
	6	* Author: Johnson Leung <r58129@freescale.com>
	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/phy.h>
9d9779e7	17	#include <linux/module.h>
097c2aa8 JL	18
	19	#define RTL821x_PHYSR 0x11
	20	#define RTL821x_PHYSR_DUPLEX 0x2000
	21	#define RTL821x_PHYSR_SPEED 0xc000
	22	#define RTL821x_INER 0x12
	23	#define RTL821x_INER_INIT 0x6400
	24	#define RTL821x_INSR 0x13
	25
ef3d9049 GC	26	#define RTL8211E_INER_LINK_STAT 0x10
ef3d9049 GC	27
097c2aa8 JL	28	MODULE_DESCRIPTION("Realtek PHY driver");
	29	MODULE_AUTHOR("Johnson Leung");
	30	MODULE_LICENSE("GPL");
	31
	32	static int rtl821x_ack_interrupt(struct phy_device *phydev)
	33	{
	34	int err;
	35
	36	err = phy_read(phydev, RTL821x_INSR);
	37
	38	return (err < 0) ? err : 0;
	39	}
	40
ef3d9049	41	static int rtl8211b_config_intr(struct phy_device *phydev)
097c2aa8 JL	42	{
	43	int err;
	44
	45	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
	46	err = phy_write(phydev, RTL821x_INER,
	47	RTL821x_INER_INIT);
	48	else
	49	err = phy_write(phydev, RTL821x_INER, 0);
	50
	51	return err;
	52	}
	53
ef3d9049 GC	54	static int rtl8211e_config_intr(struct phy_device *phydev)
	55	{
	56	int err;
	57
	58	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
	59	err = phy_write(phydev, RTL821x_INER,
	60	RTL8211E_INER_LINK_STAT);
	61	else
	62	err = phy_write(phydev, RTL821x_INER, 0);
	63
	64	return err;
	65	}
	66
097c2aa8	67	/* RTL8211B */
ef3d9049	68	static struct phy_driver rtl8211b_driver = {
097c2aa8	69	.phy_id = 0x001cc912,
ef3d9049	70	.name = "RTL8211B Gigabit Ethernet",
097c2aa8 JL	71	.phy_id_mask = 0x001fffff,
	72	.features = PHY_GBIT_FEATURES,
	73	.flags = PHY_HAS_INTERRUPT,
	74	.config_aneg = &genphy_config_aneg,
	75	.read_status = &genphy_read_status,
	76	.ack_interrupt = &rtl821x_ack_interrupt,
ef3d9049 GC	77	.config_intr = &rtl8211b_config_intr,
	78	.driver = { .owner = THIS_MODULE,},
	79	};
	80
	81	/* RTL8211E */
	82	static struct phy_driver rtl8211e_driver = {
	83	.phy_id = 0x001cc915,
	84	.name = "RTL8211E Gigabit Ethernet",
	85	.phy_id_mask = 0x001fffff,
	86	.features = PHY_GBIT_FEATURES,
	87	.flags = PHY_HAS_INTERRUPT,
	88	.config_aneg = &genphy_config_aneg,
	89	.read_status = &genphy_read_status,
	90	.ack_interrupt = &rtl821x_ack_interrupt,
	91	.config_intr = &rtl8211e_config_intr,
	92	.suspend = genphy_suspend,
	93	.resume = genphy_resume,
097c2aa8 JL	94	.driver = { .owner = THIS_MODULE,},
	95	};
	96
	97	static int __init realtek_init(void)
	98	{
ef3d9049 GC	99	int ret;
	100
	101	ret = phy_driver_register(&rtl8211b_driver);
	102	if (ret < 0)
	103	return -ENODEV;
	104	return phy_driver_register(&rtl8211e_driver);
097c2aa8 JL	105	}
	106
	107	static void __exit realtek_exit(void)
	108	{
ef3d9049 GC	109	phy_driver_unregister(&rtl8211b_driver);
ef3d9049 GC	110	phy_driver_unregister(&rtl8211e_driver);
097c2aa8 JL	111	}
	112
	113	module_init(realtek_init);
	114	module_exit(realtek_exit);
4e4f10f6	115
cf93c945	116	static struct mdio_device_id __maybe_unused realtek_tbl[] = {
4e4f10f6	117	{ 0x001cc912, 0x001fffff },
ef3d9049	118	{ 0x001cc915, 0x001fffff },
4e4f10f6 DW	119	{ }
	120	};
	121
	122	MODULE_DEVICE_TABLE(mdio, realtek_tbl);