2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Andy Fleming <afleming@freescale.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
26 #include <linux/list.h>
27 #include <linux/mii.h>
28 #include <linux/ethtool.h>
29 #include <linux/mdio.h>
31 #define PHY_MAX_ADDR 32
33 #define PHY_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
34 SUPPORTED_10baseT_Full | \
35 SUPPORTED_100baseT_Half | \
36 SUPPORTED_100baseT_Full | \
41 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
42 SUPPORTED_1000baseT_Half | \
43 SUPPORTED_1000baseT_Full)
45 #define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
46 SUPPORTED_10000baseT_Full)
48 #define PHY_ANEG_TIMEOUT 4000
52 PHY_INTERFACE_MODE_MII,
53 PHY_INTERFACE_MODE_GMII,
54 PHY_INTERFACE_MODE_SGMII,
55 PHY_INTERFACE_MODE_TBI,
56 PHY_INTERFACE_MODE_RMII,
57 PHY_INTERFACE_MODE_RGMII,
58 PHY_INTERFACE_MODE_RGMII_ID,
59 PHY_INTERFACE_MODE_RGMII_RXID,
60 PHY_INTERFACE_MODE_RGMII_TXID,
61 PHY_INTERFACE_MODE_RTBI,
62 PHY_INTERFACE_MODE_XGMII,
63 PHY_INTERFACE_MODE_NONE /* Must be last */
66 static const char *phy_interface_strings[] = {
67 [PHY_INTERFACE_MODE_MII] = "mii",
68 [PHY_INTERFACE_MODE_GMII] = "gmii",
69 [PHY_INTERFACE_MODE_SGMII] = "sgmii",
70 [PHY_INTERFACE_MODE_TBI] = "tbi",
71 [PHY_INTERFACE_MODE_RMII] = "rmii",
72 [PHY_INTERFACE_MODE_RGMII] = "rgmii",
73 [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
74 [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
75 [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
76 [PHY_INTERFACE_MODE_RTBI] = "rtbi",
77 [PHY_INTERFACE_MODE_XGMII] = "xgmii",
78 [PHY_INTERFACE_MODE_NONE] = "",
81 static inline const char *phy_string_for_interface(phy_interface_t i)
83 /* Default to unknown */
84 if (i > PHY_INTERFACE_MODE_NONE)
85 i = PHY_INTERFACE_MODE_NONE;
87 return phy_interface_strings[i];
93 #define MDIO_NAME_LEN 32
96 struct list_head link;
97 char name[MDIO_NAME_LEN];
99 int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
100 int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
102 int (*reset)(struct mii_dev *bus);
103 struct phy_device *phymap[PHY_MAX_ADDR];
107 /* struct phy_driver: a structure which defines PHY behavior
109 * uid will contain a number which represents the PHY. During
110 * startup, the driver will poll the PHY to find out what its
111 * UID--as defined by registers 2 and 3--is. The 32-bit result
112 * gotten from the PHY will be masked to
113 * discard any bits which may change based on revision numbers
114 * unimportant to functionality
125 /* Called to do any driver startup necessities */
126 /* Will be called during phy_connect */
127 int (*probe)(struct phy_device *phydev);
129 /* Called to configure the PHY, and modify the controller
130 * based on the results. Should be called after phy_connect */
131 int (*config)(struct phy_device *phydev);
133 /* Called when starting up the controller */
134 int (*startup)(struct phy_device *phydev);
136 /* Called when bringing down the controller */
137 int (*shutdown)(struct phy_device *phydev);
139 struct list_head list;
143 /* Information about the PHY type */
144 /* And management functions */
146 struct phy_driver *drv;
149 struct eth_device *dev;
151 /* forced speed & duplex (no autoneg)
152 * partner speed & duplex & pause (autoneg)
157 /* The most recently read link state */
160 phy_interface_t interface;
174 static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
176 struct mii_dev *bus = phydev->bus;
178 return bus->read(bus, phydev->addr, devad, regnum);
181 static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
184 struct mii_dev *bus = phydev->bus;
186 return bus->write(bus, phydev->addr, devad, regnum, val);
189 #ifdef CONFIG_PHYLIB_10G
190 extern struct phy_driver gen10g_driver;
192 /* For now, XGMII is the only 10G interface */
193 static inline int is_10g_interface(phy_interface_t interface)
195 return interface == PHY_INTERFACE_MODE_XGMII;
201 int phy_reset(struct phy_device *phydev);
202 struct phy_device *phy_connect(struct mii_dev *bus, int addr,
203 struct eth_device *dev,
204 phy_interface_t interface);
205 int phy_startup(struct phy_device *phydev);
206 int phy_config(struct phy_device *phydev);
207 int phy_shutdown(struct phy_device *phydev);
208 int phy_register(struct phy_driver *drv);
209 int genphy_config_aneg(struct phy_device *phydev);
210 int genphy_restart_aneg(struct phy_device *phydev);
211 int genphy_update_link(struct phy_device *phydev);
212 int genphy_config(struct phy_device *phydev);
213 int genphy_startup(struct phy_device *phydev);
214 int genphy_shutdown(struct phy_device *phydev);
215 int gen10g_config(struct phy_device *phydev);
216 int gen10g_startup(struct phy_device *phydev);
217 int gen10g_shutdown(struct phy_device *phydev);
218 int gen10g_discover_mmds(struct phy_device *phydev);
220 int phy_atheros_init(void);
221 int phy_broadcom_init(void);
222 int phy_davicom_init(void);
223 int phy_lxt_init(void);
224 int phy_marvell_init(void);
225 int phy_micrel_init(void);
226 int phy_natsemi_init(void);
227 int phy_realtek_init(void);
228 int phy_smsc_init(void);
229 int phy_teranetics_init(void);
230 int phy_vitesse_init(void);
232 /* PHY UIDs for various PHYs that are referenced in external code */
233 #define PHY_UID_TN2020 0x00a19410