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

/*
 * drivers/net/phy/smsc.c
 *
 * Driver for SMSC PHYs
 *
 * Author: Herbert Valerio Riedel
 *
 * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
 *
 * 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.
 *
 * Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@shawell.net
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/smscphy.h>

static int smsc_phy_config_intr(struct phy_device *phydev)
{
	int rc = phy_write (phydev, MII_LAN83C185_IM,
			((PHY_INTERRUPT_ENABLED == phydev->interrupts)
			? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
			: 0));

	return rc < 0 ? rc : 0;
}

static int smsc_phy_ack_interrupt(struct phy_device *phydev)
{
	int rc = phy_read (phydev, MII_LAN83C185_ISF);

	return rc < 0 ? rc : 0;
}

static int smsc_phy_config_init(struct phy_device *phydev)
{
	int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
	if (rc < 0)
		return rc;

	/* Enable energy detect mode for this SMSC Transceivers */
	rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS,
		       rc | MII_LAN83C185_EDPWRDOWN);
	if (rc < 0)
		return rc;

	return smsc_phy_ack_interrupt (phydev);
}

static int lan911x_config_init(struct phy_device *phydev)
{
	return smsc_phy_ack_interrupt(phydev);
}

static struct phy_driver smsc_phy_driver[] = {
{
	.phy_id		= 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
	.phy_id_mask	= 0xfffffff0,
	.name		= "SMSC LAN83C185",

	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
				| SUPPORTED_Asym_Pause),
	.flags		= PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,

	/* basic functions */
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.config_init	= smsc_phy_config_init,

	/* IRQ related */
	.ack_interrupt	= smsc_phy_ack_interrupt,
	.config_intr	= smsc_phy_config_intr,

	.suspend	= genphy_suspend,
	.resume		= genphy_resume,

	.driver		= { .owner = THIS_MODULE, }
}, {
	.phy_id		= 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
	.phy_id_mask	= 0xfffffff0,
	.name		= "SMSC LAN8187",

	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
				| SUPPORTED_Asym_Pause),
	.flags		= PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,

	/* basic functions */
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.config_init	= smsc_phy_config_init,

	/* IRQ related */
	.ack_interrupt	= smsc_phy_ack_interrupt,
	.config_intr	= smsc_phy_config_intr,

	.suspend	= genphy_suspend,
	.resume		= genphy_resume,

	.driver		= { .owner = THIS_MODULE, }
}, {
	.phy_id		= 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
	.phy_id_mask	= 0xfffffff0,
	.name		= "SMSC LAN8700",

	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
				| SUPPORTED_Asym_Pause),
	.flags		= PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,

	/* basic functions */
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.config_init	= smsc_phy_config_init,

	/* IRQ related */
	.ack_interrupt	= smsc_phy_ack_interrupt,
	.config_intr	= smsc_phy_config_intr,

	.suspend	= genphy_suspend,
	.resume		= genphy_resume,

	.driver		= { .owner = THIS_MODULE, }
}, {
	.phy_id		= 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
	.phy_id_mask	= 0xfffffff0,
	.name		= "SMSC LAN911x Internal PHY",

	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
				| SUPPORTED_Asym_Pause),
	.flags		= PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,

	/* basic functions */
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.config_init	= lan911x_config_init,

	/* IRQ related */
	.ack_interrupt	= smsc_phy_ack_interrupt,
	.config_intr	= smsc_phy_config_intr,

	.suspend	= genphy_suspend,
	.resume		= genphy_resume,

	.driver		= { .owner = THIS_MODULE, }
}, {
	.phy_id		= 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
	.phy_id_mask	= 0xfffffff0,
	.name		= "SMSC LAN8710/LAN8720",

	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause
				| SUPPORTED_Asym_Pause),
	.flags		= PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,

	/* basic functions */
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.config_init	= smsc_phy_config_init,

	/* IRQ related */
	.ack_interrupt	= smsc_phy_ack_interrupt,
	.config_intr	= smsc_phy_config_intr,

	.suspend	= genphy_suspend,
	.resume		= genphy_resume,

	.driver		= { .owner = THIS_MODULE, }
} };

static int __init smsc_init(void)
{
	return phy_drivers_register(smsc_phy_driver,
		ARRAY_SIZE(smsc_phy_driver));
}

static void __exit smsc_exit(void)
{
	return phy_drivers_unregister(smsc_phy_driver,
		ARRAY_SIZE(smsc_phy_driver));
}

MODULE_DESCRIPTION("SMSC PHY driver");
MODULE_AUTHOR("Herbert Valerio Riedel");
MODULE_LICENSE("GPL");

module_init(smsc_init);
module_exit(smsc_exit);

static struct mdio_device_id __maybe_unused smsc_tbl[] = {
	{ 0x0007c0a0, 0xfffffff0 },
	{ 0x0007c0b0, 0xfffffff0 },
	{ 0x0007c0c0, 0xfffffff0 },
	{ 0x0007c0d0, 0xfffffff0 },
	{ 0x0007c0f0, 0xfffffff0 },
	{ }
};

MODULE_DEVICE_TABLE(mdio, smsc_tbl);
Commit	Line	Data
c9e055ac HVR	1	/*
	2	* drivers/net/phy/smsc.c
	3	*
	4	* Driver for SMSC PHYs
	5	*
	6	* Author: Herbert Valerio Riedel
	7	*
	8	* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
	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	*
90b24cfb	15	* Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@shawell.net
4d9b1a02	16	*
c9e055ac HVR	17	*/
c9e055ac HVR	18
c9e055ac HVR	19	#include <linux/kernel.h>
	20	#include <linux/module.h>
	21	#include <linux/mii.h>
	22	#include <linux/ethtool.h>
	23	#include <linux/phy.h>
	24	#include <linux/netdevice.h>
43c6759e	25	#include <linux/smscphy.h>
c9e055ac	26
48c41b99	27	static int smsc_phy_config_intr(struct phy_device *phydev)
c9e055ac HVR	28	{
	29	int rc = phy_write (phydev, MII_LAN83C185_IM,
	30	((PHY_INTERRUPT_ENABLED == phydev->interrupts)
	31	? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
	32	: 0));
	33
	34	return rc < 0 ? rc : 0;
	35	}
	36
48c41b99	37	static int smsc_phy_ack_interrupt(struct phy_device *phydev)
c9e055ac HVR	38	{
	39	int rc = phy_read (phydev, MII_LAN83C185_ISF);
	40
	41	return rc < 0 ? rc : 0;
	42	}
	43
48c41b99	44	static int smsc_phy_config_init(struct phy_device *phydev)
c9e055ac	45	{
698244ac GC	46	int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
	47	if (rc < 0)
	48	return rc;
	49
	50	/* Enable energy detect mode for this SMSC Transceivers */
	51	rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS,
	52	rc \| MII_LAN83C185_EDPWRDOWN);
	53	if (rc < 0)
	54	return rc;
	55
48c41b99	56	return smsc_phy_ack_interrupt (phydev);
c9e055ac HVR	57	}
c9e055ac HVR	58
698244ac GC	59	static int lan911x_config_init(struct phy_device *phydev)
	60	{
	61	return smsc_phy_ack_interrupt(phydev);
	62	}
c9e055ac	63
d5bf9071 CH	64	static struct phy_driver smsc_phy_driver[] = {
d5bf9071 CH	65	{
c9e055ac HVR	66	.phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
	67	.phy_id_mask = 0xfffffff0,
	68	.name = "SMSC LAN83C185",
	69
	70	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	71	\| SUPPORTED_Asym_Pause),
	72	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	73
	74	/* basic functions */
	75	.config_aneg = genphy_config_aneg,
	76	.read_status = genphy_read_status,
48c41b99	77	.config_init = smsc_phy_config_init,
c9e055ac HVR	78
c9e055ac HVR	79	/* IRQ related */
48c41b99 SG	80	.ack_interrupt = smsc_phy_ack_interrupt,
48c41b99 SG	81	.config_intr = smsc_phy_config_intr,
c9e055ac	82
c64d2a9a SG	83	.suspend = genphy_suspend,
	84	.resume = genphy_resume,
	85
c9e055ac	86	.driver = { .owner = THIS_MODULE, }
d5bf9071	87	}, {
4d9b1a02 SG	88	.phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
	89	.phy_id_mask = 0xfffffff0,
	90	.name = "SMSC LAN8187",
	91
	92	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	93	\| SUPPORTED_Asym_Pause),
	94	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	95
	96	/* basic functions */
	97	.config_aneg = genphy_config_aneg,
	98	.read_status = genphy_read_status,
	99	.config_init = smsc_phy_config_init,
	100
	101	/* IRQ related */
	102	.ack_interrupt = smsc_phy_ack_interrupt,
	103	.config_intr = smsc_phy_config_intr,
	104
c64d2a9a SG	105	.suspend = genphy_suspend,
	106	.resume = genphy_resume,
	107
4d9b1a02	108	.driver = { .owner = THIS_MODULE, }
d5bf9071	109	}, {
4d9b1a02 SG	110	.phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
	111	.phy_id_mask = 0xfffffff0,
	112	.name = "SMSC LAN8700",
	113
	114	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	115	\| SUPPORTED_Asym_Pause),
	116	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	117
	118	/* basic functions */
	119	.config_aneg = genphy_config_aneg,
	120	.read_status = genphy_read_status,
	121	.config_init = smsc_phy_config_init,
	122
	123	/* IRQ related */
	124	.ack_interrupt = smsc_phy_ack_interrupt,
	125	.config_intr = smsc_phy_config_intr,
	126
c64d2a9a SG	127	.suspend = genphy_suspend,
	128	.resume = genphy_resume,
	129
4d9b1a02	130	.driver = { .owner = THIS_MODULE, }
d5bf9071	131	}, {
fd9abb3d SG	132	.phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
	133	.phy_id_mask = 0xfffffff0,
	134	.name = "SMSC LAN911x Internal PHY",
	135
	136	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	137	\| SUPPORTED_Asym_Pause),
	138	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	139
	140	/* basic functions */
	141	.config_aneg = genphy_config_aneg,
	142	.read_status = genphy_read_status,
698244ac	143	.config_init = lan911x_config_init,
fd9abb3d SG	144
	145	/* IRQ related */
	146	.ack_interrupt = smsc_phy_ack_interrupt,
	147	.config_intr = smsc_phy_config_intr,
	148
c64d2a9a SG	149	.suspend = genphy_suspend,
	150	.resume = genphy_resume,
	151
fd9abb3d	152	.driver = { .owner = THIS_MODULE, }
d5bf9071	153	}, {
e072b639 SG	154	.phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
	155	.phy_id_mask = 0xfffffff0,
	156	.name = "SMSC LAN8710/LAN8720",
	157
	158	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	159	\| SUPPORTED_Asym_Pause),
	160	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	161
	162	/* basic functions */
	163	.config_aneg = genphy_config_aneg,
	164	.read_status = genphy_read_status,
	165	.config_init = smsc_phy_config_init,
	166
	167	/* IRQ related */
	168	.ack_interrupt = smsc_phy_ack_interrupt,
	169	.config_intr = smsc_phy_config_intr,
	170
	171	.suspend = genphy_suspend,
	172	.resume = genphy_resume,
	173
	174	.driver = { .owner = THIS_MODULE, }
d5bf9071	175	} };
e072b639	176
c9e055ac HVR	177	static int __init smsc_init(void)
c9e055ac HVR	178	{
d5bf9071 CH	179	return phy_drivers_register(smsc_phy_driver,
d5bf9071 CH	180	ARRAY_SIZE(smsc_phy_driver));
c9e055ac HVR	181	}
	182
	183	static void __exit smsc_exit(void)
	184	{
d5bf9071 CH	185	return phy_drivers_unregister(smsc_phy_driver,
d5bf9071 CH	186	ARRAY_SIZE(smsc_phy_driver));
c9e055ac HVR	187	}
	188
	189	MODULE_DESCRIPTION("SMSC PHY driver");
	190	MODULE_AUTHOR("Herbert Valerio Riedel");
	191	MODULE_LICENSE("GPL");
	192
	193	module_init(smsc_init);
	194	module_exit(smsc_exit);
4e4f10f6	195
cf93c945	196	static struct mdio_device_id __maybe_unused smsc_tbl[] = {
4e4f10f6 DW	197	{ 0x0007c0a0, 0xfffffff0 },
	198	{ 0x0007c0b0, 0xfffffff0 },
	199	{ 0x0007c0c0, 0xfffffff0 },
	200	{ 0x0007c0d0, 0xfffffff0 },
	201	{ 0x0007c0f0, 0xfffffff0 },
	202	{ }
	203	};
	204
	205	MODULE_DEVICE_TABLE(mdio, smsc_tbl);