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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
25MODULE_DESCRIPTION("Realtek PHY driver");
26MODULE_AUTHOR("Johnson Leung");
27MODULE_LICENSE("GPL");
28
29static 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
38static 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 */
52static 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
65static int __init realtek_init(void)
66{
67 int ret;
68
69 ret = phy_driver_register(&rtl821x_driver);
70
71 return ret;
72}
73
74static void __exit realtek_exit(void)
75{
76 phy_driver_unregister(&rtl821x_driver);
77}
78
79module_init(realtek_init);
80module_exit(realtek_exit);
81
82static struct mdio_device_id __maybe_unused realtek_tbl[] = {
83 { 0x001cc912, 0x001fffff },
84 { }
85};
86
87MODULE_DEVICE_TABLE(mdio, realtek_tbl);
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#include <linux/module.h>
18
19#define RTL821x_PHYSR 0x11
20#define RTL821x_PHYSR_DUPLEX 0x2000
21#define RTL821x_PHYSR_SPEED 0xc000
22#define RTL821x_INER 0x12
23#define RTL821x_INER_INIT 0x6400
24#define RTL821x_INSR 0x13
25
26#define RTL8211E_INER_LINK_STATUS 0x400
27
28MODULE_DESCRIPTION("Realtek PHY driver");
29MODULE_AUTHOR("Johnson Leung");
30MODULE_LICENSE("GPL");
31
32static int rtl821x_ack_interrupt(struct phy_device *phydev)
33{
34 int err;
35
36 err = phy_read(phydev, RTL821x_INSR);
37
38 return (err < 0) ? err : 0;
39}
40
41static int rtl8211b_config_intr(struct phy_device *phydev)
42{
43 int err;
44
45 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
46 err = phy_write(phydev, RTL821x_INER,
47 RTL821x_INER_INIT);
48 else
49 err = phy_write(phydev, RTL821x_INER, 0);
50
51 return err;
52}
53
54static int rtl8211e_config_intr(struct phy_device *phydev)
55{
56 int err;
57
58 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
59 err = phy_write(phydev, RTL821x_INER,
60 RTL8211E_INER_LINK_STATUS);
61 else
62 err = phy_write(phydev, RTL821x_INER, 0);
63
64 return err;
65}
66
67/* RTL8201CP */
68static struct phy_driver rtl8201cp_driver = {
69 .phy_id = 0x00008201,
70 .name = "RTL8201CP Ethernet",
71 .phy_id_mask = 0x0000ffff,
72 .features = PHY_BASIC_FEATURES,
73 .flags = PHY_HAS_INTERRUPT,
74 .config_aneg = &genphy_config_aneg,
75 .read_status = &genphy_read_status,
76 .driver = { .owner = THIS_MODULE,},
77};
78
79/* RTL8211B */
80static struct phy_driver rtl8211b_driver = {
81 .phy_id = 0x001cc912,
82 .name = "RTL8211B Gigabit Ethernet",
83 .phy_id_mask = 0x001fffff,
84 .features = PHY_GBIT_FEATURES,
85 .flags = PHY_HAS_INTERRUPT,
86 .config_aneg = &genphy_config_aneg,
87 .read_status = &genphy_read_status,
88 .ack_interrupt = &rtl821x_ack_interrupt,
89 .config_intr = &rtl8211b_config_intr,
90 .driver = { .owner = THIS_MODULE,},
91};
92
93/* RTL8211E */
94static struct phy_driver rtl8211e_driver = {
95 .phy_id = 0x001cc915,
96 .name = "RTL8211E Gigabit Ethernet",
97 .phy_id_mask = 0x001fffff,
98 .features = PHY_GBIT_FEATURES,
99 .flags = PHY_HAS_INTERRUPT,
100 .config_aneg = &genphy_config_aneg,
101 .read_status = &genphy_read_status,
102 .ack_interrupt = &rtl821x_ack_interrupt,
103 .config_intr = &rtl8211e_config_intr,
104 .suspend = genphy_suspend,
105 .resume = genphy_resume,
106 .driver = { .owner = THIS_MODULE,},
107};
108
109static int __init realtek_init(void)
110{
111 int ret;
112
113 ret = phy_driver_register(&rtl8201cp_driver);
114 if (ret < 0)
115 return -ENODEV;
116 ret = phy_driver_register(&rtl8211b_driver);
117 if (ret < 0)
118 return -ENODEV;
119 return phy_driver_register(&rtl8211e_driver);
120}
121
122static void __exit realtek_exit(void)
123{
124 phy_driver_unregister(&rtl8211b_driver);
125 phy_driver_unregister(&rtl8211e_driver);
126}
127
128module_init(realtek_init);
129module_exit(realtek_exit);
130
131static struct mdio_device_id __maybe_unused realtek_tbl[] = {
132 { 0x001cc912, 0x001fffff },
133 { 0x001cc915, 0x001fffff },
134 { }
135};
136
137MODULE_DEVICE_TABLE(mdio, realtek_tbl);