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
|
/*
* drivers/net/phy/atheros.c
*
* Driver for Atheros PHYs
*
* Author: Michael Johnston <michael.johnston@freescale.com>
* Chunhe Lan <Chunhe.Lan@freescale.com>
*
* Copyright (c) 2013 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>
#include <linux/string.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#define AR8035_PHYSR 0x0011
#define AR8035_PHYSR_DUPLEX 0x2000
#define AR8035_PHYSR_SPEED 0xc000
#define AR8035_INER 0x0012
#define AR8035_INER_INIT 0xec00
#define AR8035_INSR 0x0013
#define PHY_ID_AR8035 0x004dd072
MODULE_DESCRIPTION("Atheros PHY driver");
MODULE_AUTHOR("Michael Johnston");
MODULE_LICENSE("GPL");
static int ar8035_ack_interrupt(struct phy_device *phydev)
{
int err;
err = phy_read(phydev, AR8035_INSR);
return (err < 0) ? err : 0;
}
static int ar8035_config_intr(struct phy_device *phydev)
{
int err;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, AR8035_INER, AR8035_INER_INIT);
else
err = phy_write(phydev, AR8035_INER, 0);
return err;
}
/* AR8035 */
static struct phy_driver ar8035_driver = {
.phy_id = PHY_ID_AR8035,
.name = "AR8035 Gigabit Ethernet",
.phy_id_mask = 0x007fffff,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &ar8035_ack_interrupt,
.config_intr = &ar8035_config_intr,
.driver = {
.owner = THIS_MODULE,
},
};
static int __init atheros_init(void)
{
int ret;
ret = phy_driver_register(&ar8035_driver);
if (ret < 0)
pr_warn("AR8035: phy_driver_register is error\n");
return ret;
}
static void __exit atheros_exit(void)
{
phy_driver_unregister(&ar8035_driver);
}
module_init(atheros_init);
module_exit(atheros_exit);
static struct mdio_device_id __maybe_unused atheros_tbl[] = {
{ PHY_ID_AR8035, 0x007fffff },
{ }
};
MODULE_DEVICE_TABLE(mdio, atheros_tbl);
|
