2 * drivers/net/phy/ste10Xp.c
4 * Driver for STMicroelectronics STe10Xp PHYs
6 * Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
8 * Copyright (c) 2008 STMicroelectronics Limited
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.
17 #include <linux/module.h>
18 #include <linux/init.h>
19 #include <linux/sched.h>
20 #include <linux/kernel.h>
21 #include <linux/moduleparam.h>
22 #include <linux/interrupt.h>
23 #include <linux/netdevice.h>
24 #include <linux/ethtool.h>
25 #include <linux/mii.h>
26 #include <linux/phy.h>
28 #define MII_XCIIS 0x11 /* Configuration Info IRQ & Status Reg */
29 #define MII_XIE 0x12 /* Interrupt Enable Register */
30 #define MII_XIE_DEFAULT_MASK 0x0070 /* ANE complete, Remote Fault, Link Down */
32 #define STE101P_PHY_ID 0x00061c50
33 #define STE100P_PHY_ID 0x1c040011
35 static int ste10Xp_config_init(struct phy_device *phydev)
39 /* Software Reset PHY */
40 value = phy_read(phydev, MII_BMCR);
45 err = phy_write(phydev, MII_BMCR, value);
50 value = phy_read(phydev, MII_BMCR);
51 } while (value & BMCR_RESET);
56 static int ste10Xp_config_intr(struct phy_device *phydev)
60 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
61 /* Enable all STe101P interrupts (PR12) */
62 err = phy_write(phydev, MII_XIE, MII_XIE_DEFAULT_MASK);
63 /* clear any pending interrupts */
65 value = phy_read(phydev, MII_XCIIS);
70 err = phy_write(phydev, MII_XIE, 0);
75 static int ste10Xp_ack_interrupt(struct phy_device *phydev)
77 int err = phy_read(phydev, MII_XCIIS);
84 static struct phy_driver ste101p_pdriver = {
85 .phy_id = STE101P_PHY_ID,
86 .phy_id_mask = 0xfffffff0,
88 .features = PHY_BASIC_FEATURES | SUPPORTED_Pause,
89 .flags = PHY_HAS_INTERRUPT,
90 .config_init = ste10Xp_config_init,
91 .config_aneg = genphy_config_aneg,
92 .read_status = genphy_read_status,
93 .ack_interrupt = ste10Xp_ack_interrupt,
94 .config_intr = ste10Xp_config_intr,
95 .suspend = genphy_suspend,
96 .resume = genphy_resume,
97 .driver = {.owner = THIS_MODULE,}
100 static struct phy_driver ste100p_pdriver = {
101 .phy_id = STE100P_PHY_ID,
102 .phy_id_mask = 0xffffffff,
104 .features = PHY_BASIC_FEATURES | SUPPORTED_Pause,
105 .flags = PHY_HAS_INTERRUPT,
106 .config_init = ste10Xp_config_init,
107 .config_aneg = genphy_config_aneg,
108 .read_status = genphy_read_status,
109 .ack_interrupt = ste10Xp_ack_interrupt,
110 .config_intr = ste10Xp_config_intr,
111 .suspend = genphy_suspend,
112 .resume = genphy_resume,
113 .driver = {.owner = THIS_MODULE,}
116 static int __init ste10Xp_init(void)
120 retval = phy_driver_register(&ste100p_pdriver);
123 return phy_driver_register(&ste101p_pdriver);
126 static void __exit ste10Xp_exit(void)
128 phy_driver_unregister(&ste100p_pdriver);
129 phy_driver_unregister(&ste101p_pdriver);
132 module_init(ste10Xp_init);
133 module_exit(ste10Xp_exit);
135 MODULE_DESCRIPTION("STMicroelectronics STe10Xp PHY driver");
136 MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
137 MODULE_LICENSE("GPL");