1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* drivers/net/phy/realtek.c
*
* Driver for Realtek PHYs
*
* Author: Johnson Leung <r58129@freescale.com>
*
* Copyright (c) 2004 Freescale Semiconductor, Inc.
*
* 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.
*
*/
#include <linux/phy.h>
#include <linux/module.h>
#define RTL821x_PHYSR 0x11
#define RTL821x_PHYSR_DUPLEX 0x2000
#define RTL821x_PHYSR_SPEED 0xc000
#define RTL821x_INER 0x12
#define RTL821x_INER_INIT 0x6400
#define RTL821x_INSR 0x13
#define RTL8211E_INER_LINK_STATUS 0x400
MODULE_DESCRIPTION("Realtek PHY driver");
MODULE_AUTHOR("Johnson Leung");
MODULE_LICENSE("GPL");
static int rtl821x_ack_interrupt(struct phy_device *phydev)
{
int err;
err = phy_read(phydev, RTL821x_INSR);
return (err < 0) ? err : 0;
}
static int rtl8211b_config_intr(struct phy_device *phydev)
{
int err;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, RTL821x_INER,
RTL821x_INER_INIT);
else
err = phy_write(phydev, RTL821x_INER, 0);
return err;
}
static int rtl8211e_config_intr(struct phy_device *phydev)
{
int err;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, RTL821x_INER,
RTL8211E_INER_LINK_STATUS);
else
err = phy_write(phydev, RTL821x_INER, 0);
return err;
}
static struct phy_driver realtek_drvs[] = {
{
.phy_id = 0x00008201,
.name = "RTL8201CP Ethernet",
.phy_id_mask = 0x0000ffff,
.features = PHY_BASIC_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = 0x001cc912,
.name = "RTL8211B Gigabit Ethernet",
.phy_id_mask = 0x001fffff,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &rtl821x_ack_interrupt,
.config_intr = &rtl8211b_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = 0x001cc915,
.name = "RTL8211E Gigabit Ethernet",
.phy_id_mask = 0x001fffff,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &rtl821x_ack_interrupt,
.config_intr = &rtl8211e_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE,},
},
};
module_phy_driver(realtek_drvs);
static struct mdio_device_id __maybe_unused realtek_tbl[] = {
{ 0x001cc912, 0x001fffff },
{ 0x001cc915, 0x001fffff },
{ }
};
MODULE_DEVICE_TABLE(mdio, realtek_tbl);
|
