2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Andy Fleming <afleming@gmail.com>
5 * SPDX-License-Identifier: GPL-2.0+
7 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
13 #include <linux/list.h>
14 #include <linux/mii.h>
15 #include <linux/ethtool.h>
16 #include <linux/mdio.h>
18 #define PHY_MAX_ADDR 32
20 #define PHY_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
21 SUPPORTED_10baseT_Full | \
22 SUPPORTED_100baseT_Half | \
23 SUPPORTED_100baseT_Full | \
28 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
29 SUPPORTED_1000baseT_Half | \
30 SUPPORTED_1000baseT_Full)
32 #define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
33 SUPPORTED_10000baseT_Full)
35 #ifndef PHY_ANEG_TIMEOUT
36 #define PHY_ANEG_TIMEOUT 4000
41 PHY_INTERFACE_MODE_MII,
42 PHY_INTERFACE_MODE_GMII,
43 PHY_INTERFACE_MODE_SGMII,
44 PHY_INTERFACE_MODE_SGMII_2500,
45 PHY_INTERFACE_MODE_QSGMII,
46 PHY_INTERFACE_MODE_TBI,
47 PHY_INTERFACE_MODE_RMII,
48 PHY_INTERFACE_MODE_RGMII,
49 PHY_INTERFACE_MODE_RGMII_ID,
50 PHY_INTERFACE_MODE_RGMII_RXID,
51 PHY_INTERFACE_MODE_RGMII_TXID,
52 PHY_INTERFACE_MODE_RTBI,
53 PHY_INTERFACE_MODE_XGMII,
54 PHY_INTERFACE_MODE_NONE, /* Must be last */
56 PHY_INTERFACE_MODE_COUNT,
59 static const char *phy_interface_strings[] = {
60 [PHY_INTERFACE_MODE_MII] = "mii",
61 [PHY_INTERFACE_MODE_GMII] = "gmii",
62 [PHY_INTERFACE_MODE_SGMII] = "sgmii",
63 [PHY_INTERFACE_MODE_SGMII_2500] = "sgmii-2500",
64 [PHY_INTERFACE_MODE_QSGMII] = "qsgmii",
65 [PHY_INTERFACE_MODE_TBI] = "tbi",
66 [PHY_INTERFACE_MODE_RMII] = "rmii",
67 [PHY_INTERFACE_MODE_RGMII] = "rgmii",
68 [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id",
69 [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid",
70 [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid",
71 [PHY_INTERFACE_MODE_RTBI] = "rtbi",
72 [PHY_INTERFACE_MODE_XGMII] = "xgmii",
73 [PHY_INTERFACE_MODE_NONE] = "",
76 static inline const char *phy_string_for_interface(phy_interface_t i)
78 /* Default to unknown */
79 if (i > PHY_INTERFACE_MODE_NONE)
80 i = PHY_INTERFACE_MODE_NONE;
82 return phy_interface_strings[i];
88 #define MDIO_NAME_LEN 32
91 struct list_head link;
92 char name[MDIO_NAME_LEN];
94 int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
95 int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
97 int (*reset)(struct mii_dev *bus);
98 struct phy_device *phymap[PHY_MAX_ADDR];
102 /* struct phy_driver: a structure which defines PHY behavior
104 * uid will contain a number which represents the PHY. During
105 * startup, the driver will poll the PHY to find out what its
106 * UID--as defined by registers 2 and 3--is. The 32-bit result
107 * gotten from the PHY will be masked to
108 * discard any bits which may change based on revision numbers
109 * unimportant to functionality
120 /* Called to do any driver startup necessities */
121 /* Will be called during phy_connect */
122 int (*probe)(struct phy_device *phydev);
124 /* Called to configure the PHY, and modify the controller
125 * based on the results. Should be called after phy_connect */
126 int (*config)(struct phy_device *phydev);
128 /* Called when starting up the controller */
129 int (*startup)(struct phy_device *phydev);
131 /* Called when bringing down the controller */
132 int (*shutdown)(struct phy_device *phydev);
134 int (*readext)(struct phy_device *phydev, int addr, int devad, int reg);
135 int (*writeext)(struct phy_device *phydev, int addr, int devad, int reg,
137 struct list_head list;
141 /* Information about the PHY type */
142 /* And management functions */
144 struct phy_driver *drv;
150 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;
184 static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
186 struct mii_dev *bus = phydev->bus;
188 return bus->read(bus, phydev->addr, devad, regnum);
191 static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
194 struct mii_dev *bus = phydev->bus;
196 return bus->write(bus, phydev->addr, devad, regnum, val);
199 #ifdef CONFIG_PHYLIB_10G
200 extern struct phy_driver gen10g_driver;
202 /* For now, XGMII is the only 10G interface */
203 static inline int is_10g_interface(phy_interface_t interface)
205 return interface == PHY_INTERFACE_MODE_XGMII;
211 int phy_reset(struct phy_device *phydev);
212 struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
213 phy_interface_t interface);
215 void phy_connect_dev(struct phy_device *phydev, struct udevice *dev);
216 struct phy_device *phy_connect(struct mii_dev *bus, int addr,
218 phy_interface_t interface);
220 void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev);
221 struct phy_device *phy_connect(struct mii_dev *bus, int addr,
222 struct eth_device *dev,
223 phy_interface_t interface);
225 int phy_startup(struct phy_device *phydev);
226 int phy_config(struct phy_device *phydev);
227 int phy_shutdown(struct phy_device *phydev);
228 int phy_register(struct phy_driver *drv);
229 int genphy_config_aneg(struct phy_device *phydev);
230 int genphy_restart_aneg(struct phy_device *phydev);
231 int genphy_update_link(struct phy_device *phydev);
232 int genphy_parse_link(struct phy_device *phydev);
233 int genphy_config(struct phy_device *phydev);
234 int genphy_startup(struct phy_device *phydev);
235 int genphy_shutdown(struct phy_device *phydev);
236 int gen10g_config(struct phy_device *phydev);
237 int gen10g_startup(struct phy_device *phydev);
238 int gen10g_shutdown(struct phy_device *phydev);
239 int gen10g_discover_mmds(struct phy_device *phydev);
241 int phy_aquantia_init(void);
242 int phy_atheros_init(void);
243 int phy_broadcom_init(void);
244 int phy_cortina_init(void);
245 int phy_davicom_init(void);
246 int phy_et1011c_init(void);
247 int phy_lxt_init(void);
248 int phy_marvell_init(void);
249 int phy_micrel_init(void);
250 int phy_natsemi_init(void);
251 int phy_realtek_init(void);
252 int phy_smsc_init(void);
253 int phy_teranetics_init(void);
254 int phy_vitesse_init(void);
256 int board_phy_config(struct phy_device *phydev);
257 int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id);
260 * phy_get_interface_by_name() - Look up a PHY interface name
262 * @str: PHY interface name, e.g. "mii"
263 * @return PHY_INTERFACE_MODE_... value, or -1 if not found
265 int phy_get_interface_by_name(const char *str);
267 /* PHY UIDs for various PHYs that are referenced in external code */
268 #define PHY_UID_CS4340 0x13e51002
269 #define PHY_UID_TN2020 0x00a19410