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_QSGMII,
56 PHY_INTERFACE_MODE_TBI,
57 PHY_INTERFACE_MODE_RMII,
58 PHY_INTERFACE_MODE_RGMII,
59 PHY_INTERFACE_MODE_RGMII_ID,
60 PHY_INTERFACE_MODE_RGMII_RXID,
61 PHY_INTERFACE_MODE_RGMII_TXID,
62 PHY_INTERFACE_MODE_RTBI,
63 PHY_INTERFACE_MODE_XGMII,
64 PHY_INTERFACE_MODE_NONE /* Must be last */
67 static const char *phy_interface_strings[] = {
68 [PHY_INTERFACE_MODE_MII] = "mii",
69 [PHY_INTERFACE_MODE_GMII] = "gmii",
70 [PHY_INTERFACE_MODE_SGMII] = "sgmii",
71 [PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
72 [PHY_INTERFACE_MODE_TBI] = "tbi",
73 [PHY_INTERFACE_MODE_RMII] = "rmii",
74 [PHY_INTERFACE_MODE_RGMII] = "rgmii",
75 [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
76 [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
77 [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
78 [PHY_INTERFACE_MODE_RTBI] = "rtbi",
79 [PHY_INTERFACE_MODE_XGMII] = "xgmii",
80 [PHY_INTERFACE_MODE_NONE] = "",
83 static inline const char *phy_string_for_interface(phy_interface_t i)
85 /* Default to unknown */
86 if (i > PHY_INTERFACE_MODE_NONE)
87 i = PHY_INTERFACE_MODE_NONE;
89 return phy_interface_strings[i];
95 #define MDIO_NAME_LEN 32
98 struct list_head link;
99 char name[MDIO_NAME_LEN];
101 int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
102 int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
104 int (*reset)(struct mii_dev *bus);
105 struct phy_device *phymap[PHY_MAX_ADDR];
109 /* struct phy_driver: a structure which defines PHY behavior
111 * uid will contain a number which represents the PHY. During
112 * startup, the driver will poll the PHY to find out what its
113 * UID--as defined by registers 2 and 3--is. The 32-bit result
114 * gotten from the PHY will be masked to
115 * discard any bits which may change based on revision numbers
116 * unimportant to functionality
127 /* Called to do any driver startup necessities */
128 /* Will be called during phy_connect */
129 int (*probe)(struct phy_device *phydev);
131 /* Called to configure the PHY, and modify the controller
132 * based on the results. Should be called after phy_connect */
133 int (*config)(struct phy_device *phydev);
135 /* Called when starting up the controller */
136 int (*startup)(struct phy_device *phydev);
138 /* Called when bringing down the controller */
139 int (*shutdown)(struct phy_device *phydev);
141 struct list_head list;
145 /* Information about the PHY type */
146 /* And management functions */
148 struct phy_driver *drv;
151 struct eth_device *dev;
153 /* forced speed & duplex (no autoneg)
154 * partner speed & duplex & pause (autoneg)
159 /* The most recently read link state */
162 phy_interface_t interface;
176 static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
178 struct mii_dev *bus = phydev->bus;
180 return bus->read(bus, phydev->addr, devad, regnum);
183 static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
186 struct mii_dev *bus = phydev->bus;
188 return bus->write(bus, phydev->addr, devad, regnum, val);
191 #ifdef CONFIG_PHYLIB_10G
192 extern struct phy_driver gen10g_driver;
194 /* For now, XGMII is the only 10G interface */
195 static inline int is_10g_interface(phy_interface_t interface)
197 return interface == PHY_INTERFACE_MODE_XGMII;
203 int phy_reset(struct phy_device *phydev);
204 struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
205 phy_interface_t interface);
206 void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev);
207 struct phy_device *phy_connect(struct mii_dev *bus, int addr,
208 struct eth_device *dev,
209 phy_interface_t interface);
210 int phy_startup(struct phy_device *phydev);
211 int phy_config(struct phy_device *phydev);
212 int phy_shutdown(struct phy_device *phydev);
213 int phy_register(struct phy_driver *drv);
214 int genphy_config_aneg(struct phy_device *phydev);
215 int genphy_restart_aneg(struct phy_device *phydev);
216 int genphy_update_link(struct phy_device *phydev);
217 int genphy_config(struct phy_device *phydev);
218 int genphy_startup(struct phy_device *phydev);
219 int genphy_shutdown(struct phy_device *phydev);
220 int gen10g_config(struct phy_device *phydev);
221 int gen10g_startup(struct phy_device *phydev);
222 int gen10g_shutdown(struct phy_device *phydev);
223 int gen10g_discover_mmds(struct phy_device *phydev);
225 int phy_atheros_init(void);
226 int phy_broadcom_init(void);
227 int phy_davicom_init(void);
228 int phy_et1011c_init(void);
229 int phy_lxt_init(void);
230 int phy_marvell_init(void);
231 int phy_micrel_init(void);
232 int phy_natsemi_init(void);
233 int phy_realtek_init(void);
234 int phy_smsc_init(void);
235 int phy_teranetics_init(void);
236 int phy_vitesse_init(void);
238 /* PHY UIDs for various PHYs that are referenced in external code */
239 #define PHY_UID_TN2020 0x00a19410