[mirror_ubuntu-artful-kernel.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_STATUS	0x400

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_STATUS);
	else
		err = phy_write(phydev, RTL821x_INER, 0);

	return err;
}

static struct phy_driver realtek_drvs[] = {
	{
		.phy_id         = 0x00008201,
		.name           = "RTL8201CP Ethernet",
		.phy_id_mask    = 0x0000ffff,
		.features       = PHY_BASIC_FEATURES,
		.flags          = PHY_HAS_INTERRUPT,
		.config_aneg    = &genphy_config_aneg,
		.read_status    = &genphy_read_status,
		.driver         = { .owner = THIS_MODULE,},
	}, {
		.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,},
	}, {
		.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)
{
	return phy_drivers_register(realtek_drvs, ARRAY_SIZE(realtek_drvs));
}

static void __exit realtek_exit(void)
{
	phy_drivers_unregister(realtek_drvs, ARRAY_SIZE(realtek_drvs));
}

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
8b64fd61	26	#define RTL8211E_INER_LINK_STATUS 0x400
ef3d9049	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,
8b64fd61	60	RTL8211E_INER_LINK_STATUS);
ef3d9049 GC	61	else
	62	err = phy_write(phydev, RTL821x_INER, 0);
	63
	64	return err;
	65	}
	66
71b9c4a8 JK	67	static struct phy_driver realtek_drvs[] = {
	68	{
	69	.phy_id = 0x00008201,
	70	.name = "RTL8201CP Ethernet",
	71	.phy_id_mask = 0x0000ffff,
	72	.features = PHY_BASIC_FEATURES,
	73	.flags = PHY_HAS_INTERRUPT,
	74	.config_aneg = &genphy_config_aneg,
	75	.read_status = &genphy_read_status,
	76	.driver = { .owner = THIS_MODULE,},
	77	}, {
	78	.phy_id = 0x001cc912,
	79	.name = "RTL8211B Gigabit Ethernet",
	80	.phy_id_mask = 0x001fffff,
	81	.features = PHY_GBIT_FEATURES,
	82	.flags = PHY_HAS_INTERRUPT,
	83	.config_aneg = &genphy_config_aneg,
	84	.read_status = &genphy_read_status,
	85	.ack_interrupt = &rtl821x_ack_interrupt,
	86	.config_intr = &rtl8211b_config_intr,
	87	.driver = { .owner = THIS_MODULE,},
	88	}, {
	89	.phy_id = 0x001cc915,
	90	.name = "RTL8211E Gigabit Ethernet",
	91	.phy_id_mask = 0x001fffff,
	92	.features = PHY_GBIT_FEATURES,
	93	.flags = PHY_HAS_INTERRUPT,
	94	.config_aneg = &genphy_config_aneg,
	95	.read_status = &genphy_read_status,
	96	.ack_interrupt = &rtl821x_ack_interrupt,
	97	.config_intr = &rtl8211e_config_intr,
	98	.suspend = genphy_suspend,
	99	.resume = genphy_resume,
	100	.driver = { .owner = THIS_MODULE,},
	101	},
097c2aa8 JL	102	};
	103
	104	static int __init realtek_init(void)
	105	{
71b9c4a8	106	return phy_drivers_register(realtek_drvs, ARRAY_SIZE(realtek_drvs));
097c2aa8 JL	107	}
	108
	109	static void __exit realtek_exit(void)
	110	{
71b9c4a8	111	phy_drivers_unregister(realtek_drvs, ARRAY_SIZE(realtek_drvs));
097c2aa8 JL	112	}
	113
	114	module_init(realtek_init);
	115	module_exit(realtek_exit);
4e4f10f6	116
cf93c945	117	static struct mdio_device_id __maybe_unused realtek_tbl[] = {
4e4f10f6	118	{ 0x001cc912, 0x001fffff },
ef3d9049	119	{ 0x001cc915, 0x001fffff },
4e4f10f6 DW	120	{ }
	121	};
	122
	123	MODULE_DEVICE_TABLE(mdio, realtek_tbl);