This source file includes following definitions.
- ste10Xp_config_init
- ste10Xp_config_intr
- ste10Xp_ack_interrupt
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12 #include <linux/module.h>
13 #include <linux/init.h>
14 #include <linux/sched.h>
15 #include <linux/kernel.h>
16 #include <linux/moduleparam.h>
17 #include <linux/interrupt.h>
18 #include <linux/netdevice.h>
19 #include <linux/ethtool.h>
20 #include <linux/mii.h>
21 #include <linux/phy.h>
22
23 #define MII_XCIIS 0x11
24 #define MII_XIE 0x12
25 #define MII_XIE_DEFAULT_MASK 0x0070
26
27 #define STE101P_PHY_ID 0x00061c50
28 #define STE100P_PHY_ID 0x1c040011
29
30 static int ste10Xp_config_init(struct phy_device *phydev)
31 {
32 int value, err;
33
34
35 value = phy_read(phydev, MII_BMCR);
36 if (value < 0)
37 return value;
38
39 value |= BMCR_RESET;
40 err = phy_write(phydev, MII_BMCR, value);
41 if (err < 0)
42 return err;
43
44 do {
45 value = phy_read(phydev, MII_BMCR);
46 } while (value & BMCR_RESET);
47
48 return 0;
49 }
50
51 static int ste10Xp_config_intr(struct phy_device *phydev)
52 {
53 int err, value;
54
55 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
56
57 err = phy_write(phydev, MII_XIE, MII_XIE_DEFAULT_MASK);
58
59 if (err == 0) {
60 value = phy_read(phydev, MII_XCIIS);
61 if (value < 0)
62 err = value;
63 }
64 } else
65 err = phy_write(phydev, MII_XIE, 0);
66
67 return err;
68 }
69
70 static int ste10Xp_ack_interrupt(struct phy_device *phydev)
71 {
72 int err = phy_read(phydev, MII_XCIIS);
73 if (err < 0)
74 return err;
75
76 return 0;
77 }
78
79 static struct phy_driver ste10xp_pdriver[] = {
80 {
81 .phy_id = STE101P_PHY_ID,
82 .phy_id_mask = 0xfffffff0,
83 .name = "STe101p",
84
85 .config_init = ste10Xp_config_init,
86 .ack_interrupt = ste10Xp_ack_interrupt,
87 .config_intr = ste10Xp_config_intr,
88 .suspend = genphy_suspend,
89 .resume = genphy_resume,
90 }, {
91 .phy_id = STE100P_PHY_ID,
92 .phy_id_mask = 0xffffffff,
93 .name = "STe100p",
94
95 .config_init = ste10Xp_config_init,
96 .ack_interrupt = ste10Xp_ack_interrupt,
97 .config_intr = ste10Xp_config_intr,
98 .suspend = genphy_suspend,
99 .resume = genphy_resume,
100 } };
101
102 module_phy_driver(ste10xp_pdriver);
103
104 static struct mdio_device_id __maybe_unused ste10Xp_tbl[] = {
105 { STE101P_PHY_ID, 0xfffffff0 },
106 { STE100P_PHY_ID, 0xffffffff },
107 { }
108 };
109
110 MODULE_DEVICE_TABLE(mdio, ste10Xp_tbl);
111
112 MODULE_DESCRIPTION("STMicroelectronics STe10Xp PHY driver");
113 MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
114 MODULE_LICENSE("GPL");