/* * drivers/net/phy/smsc.c * * Driver for SMSC PHYs * * Author: Herbert Valerio Riedel * * Copyright (c) 2006 Herbert Valerio Riedel * * 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 #include #include #include #include #include #define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */ #define MII_LAN83C185_IM 30 /* Interrupt Mask */ #define MII_LAN83C185_CTRL_STATUS 17 /* Mode/Status Register */ #define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */ #define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */ #define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */ #define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */ #define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */ #define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */ #define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */ #define MII_LAN83C185_ISF_INT_ALL (0x0e) #define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \ (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4 | \ MII_LAN83C185_ISF_INT7) #define MII_LAN83C185_EDPWRDOWN (1 << 13) /* EDPWRDOWN */ 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 smsc_tbl[] = { { 0x0007c0a0, 0xfffffff0 }, { 0x0007c0b0, 0xfffffff0 }, { 0x0007c0c0, 0xfffffff0 }, { 0x0007c0d0, 0xfffffff0 }, { 0x0007c0f0, 0xfffffff0 }, { } }; MODULE_DEVICE_TABLE(mdio, smsc_tbl);