git://bbs.cooldavid.org / net-next-2.6.git / blame
| 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> | |
| 17 | ||
| 18 | #define RTL821x_PHYSR 0x11 | |
| 19 | #define RTL821x_PHYSR_DUPLEX 0x2000 | |
| 20 | #define RTL821x_PHYSR_SPEED 0xc000 | |
| 21 | #define RTL821x_INER 0x12 | |
| 22 | #define RTL821x_INER_INIT 0x6400 | |
| 23 | #define RTL821x_INSR 0x13 | |
| 24 | ||
| 25 | MODULE_DESCRIPTION("Realtek PHY driver"); | |
| 26 | MODULE_AUTHOR("Johnson Leung"); | |
| 27 | MODULE_LICENSE("GPL"); | |
| 28 | ||
| 29 | static int rtl821x_ack_interrupt(struct phy_device *phydev) | |
| 30 | { | |
| 31 | int err; | |
| 32 | ||
| 33 | err = phy_read(phydev, RTL821x_INSR); | |
| 34 | ||
| 35 | return (err < 0) ? err : 0; | |
| 36 | } | |
| 37 | ||
| 38 | static int rtl821x_config_intr(struct phy_device *phydev) | |
| 39 | { | |
| 40 | int err; | |
| 41 | ||
| 42 | if (phydev->interrupts == PHY_INTERRUPT_ENABLED) | |
| 43 | err = phy_write(phydev, RTL821x_INER, | |
| 44 | RTL821x_INER_INIT); | |
| 45 | else | |
| 46 | err = phy_write(phydev, RTL821x_INER, 0); | |
| 47 | ||
| 48 | return err; | |
| 49 | } | |
| 50 | ||
| 51 | /* RTL8211B */ | |
| 52 | static struct phy_driver rtl821x_driver = { | |
| 53 | .phy_id = 0x001cc912, | |
| 54 | .name = "RTL821x Gigabit Ethernet", | |
| 55 | .phy_id_mask = 0x001fffff, | |
| 56 | .features = PHY_GBIT_FEATURES, | |
| 57 | .flags = PHY_HAS_INTERRUPT, | |
| 58 | .config_aneg = &genphy_config_aneg, | |
| 59 | .read_status = &genphy_read_status, | |
| 60 | .ack_interrupt = &rtl821x_ack_interrupt, | |
| 61 | .config_intr = &rtl821x_config_intr, | |
| 62 | .driver = { .owner = THIS_MODULE,}, | |
| 63 | }; | |
| 64 | ||
| 65 | static int __init realtek_init(void) | |
| 66 | { | |
| 67 | int ret; | |
| 68 | ||
| 69 | ret = phy_driver_register(&rtl821x_driver); | |
| 70 | ||
| 71 | return ret; | |
| 72 | } | |
| 73 | ||
| 74 | static void __exit realtek_exit(void) | |
| 75 | { | |
| 76 | phy_driver_unregister(&rtl821x_driver); | |
| 77 | } | |
| 78 | ||
| 79 | module_init(realtek_init); | |
| 80 | module_exit(realtek_exit); | |
| 4e4f10f6 DW |
81 | |
| 82 | static struct mdio_device_id realtek_tbl[] = { | |
| 83 | { 0x001cc912, 0x001fffff }, | |
| 84 | { } | |
| 85 | }; | |
| 86 | ||
| 87 | MODULE_DEVICE_TABLE(mdio, realtek_tbl); |