[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@smsc.com
 *
 */

#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 lan83c185_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, }
};

static struct phy_driver lan8187_driver = {
	.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, }
};

static struct phy_driver lan8700_driver = {
	.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, }
};

static struct phy_driver lan911x_int_driver = {
	.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, }
};

static struct phy_driver lan8710_driver = {
	.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)
{
	int ret;

	ret = phy_driver_register (&lan83c185_driver);
	if (ret)
		goto err1;

	ret = phy_driver_register (&lan8187_driver);
	if (ret)
		goto err2;

	ret = phy_driver_register (&lan8700_driver);
	if (ret)
		goto err3;

	ret = phy_driver_register (&lan911x_int_driver);
	if (ret)
		goto err4;

	ret = phy_driver_register (&lan8710_driver);
	if (ret)
		goto err5;

	return 0;

err5:
	phy_driver_unregister (&lan911x_int_driver);
err4:
	phy_driver_unregister (&lan8700_driver);
err3:
	phy_driver_unregister (&lan8187_driver);
err2:
	phy_driver_unregister (&lan83c185_driver);
err1:
	return ret;
}

static void __exit smsc_exit(void)
{
	phy_driver_unregister (&lan8710_driver);
	phy_driver_unregister (&lan911x_int_driver);
	phy_driver_unregister (&lan8700_driver);
	phy_driver_unregister (&lan8187_driver);
	phy_driver_unregister (&lan83c185_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	*
4d9b1a02 SG	15	* Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@smsc.com
4d9b1a02 SG	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 HVR	63
	64	static struct phy_driver lan83c185_driver = {
	65	.phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
	66	.phy_id_mask = 0xfffffff0,
	67	.name = "SMSC LAN83C185",
	68
	69	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	70	\| SUPPORTED_Asym_Pause),
	71	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	72
	73	/* basic functions */
	74	.config_aneg = genphy_config_aneg,
	75	.read_status = genphy_read_status,
48c41b99	76	.config_init = smsc_phy_config_init,
c9e055ac HVR	77
c9e055ac HVR	78	/* IRQ related */
48c41b99 SG	79	.ack_interrupt = smsc_phy_ack_interrupt,
48c41b99 SG	80	.config_intr = smsc_phy_config_intr,
c9e055ac	81
c64d2a9a SG	82	.suspend = genphy_suspend,
	83	.resume = genphy_resume,
	84
c9e055ac HVR	85	.driver = { .owner = THIS_MODULE, }
	86	};
	87
4d9b1a02 SG	88	static struct phy_driver lan8187_driver = {
	89	.phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
	90	.phy_id_mask = 0xfffffff0,
	91	.name = "SMSC LAN8187",
	92
	93	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	94	\| SUPPORTED_Asym_Pause),
	95	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	96
	97	/* basic functions */
	98	.config_aneg = genphy_config_aneg,
	99	.read_status = genphy_read_status,
	100	.config_init = smsc_phy_config_init,
	101
	102	/* IRQ related */
	103	.ack_interrupt = smsc_phy_ack_interrupt,
	104	.config_intr = smsc_phy_config_intr,
	105
c64d2a9a SG	106	.suspend = genphy_suspend,
	107	.resume = genphy_resume,
	108
4d9b1a02 SG	109	.driver = { .owner = THIS_MODULE, }
	110	};
	111
	112	static struct phy_driver lan8700_driver = {
	113	.phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
	114	.phy_id_mask = 0xfffffff0,
	115	.name = "SMSC LAN8700",
	116
	117	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	118	\| SUPPORTED_Asym_Pause),
	119	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	120
	121	/* basic functions */
	122	.config_aneg = genphy_config_aneg,
	123	.read_status = genphy_read_status,
	124	.config_init = smsc_phy_config_init,
	125
	126	/* IRQ related */
	127	.ack_interrupt = smsc_phy_ack_interrupt,
	128	.config_intr = smsc_phy_config_intr,
	129
c64d2a9a SG	130	.suspend = genphy_suspend,
	131	.resume = genphy_resume,
	132
4d9b1a02 SG	133	.driver = { .owner = THIS_MODULE, }
	134	};
	135
fd9abb3d SG	136	static struct phy_driver lan911x_int_driver = {
	137	.phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
	138	.phy_id_mask = 0xfffffff0,
	139	.name = "SMSC LAN911x Internal PHY",
	140
	141	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	142	\| SUPPORTED_Asym_Pause),
	143	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	144
	145	/* basic functions */
	146	.config_aneg = genphy_config_aneg,
	147	.read_status = genphy_read_status,
698244ac	148	.config_init = lan911x_config_init,
fd9abb3d SG	149
	150	/* IRQ related */
	151	.ack_interrupt = smsc_phy_ack_interrupt,
	152	.config_intr = smsc_phy_config_intr,
	153
c64d2a9a SG	154	.suspend = genphy_suspend,
	155	.resume = genphy_resume,
	156
fd9abb3d SG	157	.driver = { .owner = THIS_MODULE, }
	158	};
	159
e072b639 SG	160	static struct phy_driver lan8710_driver = {
	161	.phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
	162	.phy_id_mask = 0xfffffff0,
	163	.name = "SMSC LAN8710/LAN8720",
	164
	165	.features = (PHY_BASIC_FEATURES \| SUPPORTED_Pause
	166	\| SUPPORTED_Asym_Pause),
	167	.flags = PHY_HAS_INTERRUPT \| PHY_HAS_MAGICANEG,
	168
	169	/* basic functions */
	170	.config_aneg = genphy_config_aneg,
	171	.read_status = genphy_read_status,
	172	.config_init = smsc_phy_config_init,
	173
	174	/* IRQ related */
	175	.ack_interrupt = smsc_phy_ack_interrupt,
	176	.config_intr = smsc_phy_config_intr,
	177
	178	.suspend = genphy_suspend,
	179	.resume = genphy_resume,
	180
	181	.driver = { .owner = THIS_MODULE, }
	182	};
	183
c9e055ac HVR	184	static int __init smsc_init(void)
c9e055ac HVR	185	{
4d9b1a02 SG	186	int ret;
	187
	188	ret = phy_driver_register (&lan83c185_driver);
	189	if (ret)
	190	goto err1;
	191
	192	ret = phy_driver_register (&lan8187_driver);
	193	if (ret)
	194	goto err2;
	195
	196	ret = phy_driver_register (&lan8700_driver);
	197	if (ret)
	198	goto err3;
	199
fd9abb3d SG	200	ret = phy_driver_register (&lan911x_int_driver);
	201	if (ret)
	202	goto err4;
	203
e072b639 SG	204	ret = phy_driver_register (&lan8710_driver);
	205	if (ret)
	206	goto err5;
	207
4d9b1a02 SG	208	return 0;
4d9b1a02 SG	209
e072b639 SG	210	err5:
e072b639 SG	211	phy_driver_unregister (&lan911x_int_driver);
fd9abb3d SG	212	err4:
fd9abb3d SG	213	phy_driver_unregister (&lan8700_driver);
4d9b1a02 SG	214	err3:
	215	phy_driver_unregister (&lan8187_driver);
	216	err2:
	217	phy_driver_unregister (&lan83c185_driver);
	218	err1:
	219	return ret;
c9e055ac HVR	220	}
	221
	222	static void __exit smsc_exit(void)
	223	{
e072b639	224	phy_driver_unregister (&lan8710_driver);
fd9abb3d	225	phy_driver_unregister (&lan911x_int_driver);
4d9b1a02 SG	226	phy_driver_unregister (&lan8700_driver);
4d9b1a02 SG	227	phy_driver_unregister (&lan8187_driver);
c9e055ac HVR	228	phy_driver_unregister (&lan83c185_driver);
	229	}
	230
	231	MODULE_DESCRIPTION("SMSC PHY driver");
	232	MODULE_AUTHOR("Herbert Valerio Riedel");
	233	MODULE_LICENSE("GPL");
	234
	235	module_init(smsc_init);
	236	module_exit(smsc_exit);
4e4f10f6	237
cf93c945	238	static struct mdio_device_id __maybe_unused smsc_tbl[] = {
4e4f10f6 DW	239	{ 0x0007c0a0, 0xfffffff0 },
	240	{ 0x0007c0b0, 0xfffffff0 },
	241	{ 0x0007c0c0, 0xfffffff0 },
	242	{ 0x0007c0d0, 0xfffffff0 },
	243	{ 0x0007c0f0, 0xfffffff0 },
	244	{ }
	245	};
	246
	247	MODULE_DEVICE_TABLE(mdio, smsc_tbl);