1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2011-2012 Stefan Bethke.
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
66  * Access PHYs integrated into the switch by going direct
67  * to the PHY space itself, rather than through the switch
71 arswitch_readphy_external(device_t dev, int phy, int reg)  in arswitch_readphy_external()  argument
79 	ret = (MDIO_READREG(device_get_parent(dev), phy, reg));  in arswitch_readphy_external()
81 	    "%s: phy=0x%08x, reg=0x%08x, ret=0x%08x\n",  in arswitch_readphy_external()
82 	    __func__, phy, reg, ret);  in arswitch_readphy_external()
89 arswitch_writephy_external(device_t dev, int phy, int reg, int data)  in arswitch_writephy_external()  argument
96 	(void) MDIO_WRITEREG(device_get_parent(dev), phy,  in arswitch_writephy_external()
99 	    "%s: phy=0x%08x, reg=0x%08x, data=0x%08x\n",  in arswitch_writephy_external()
100 	    __func__, phy, reg, data);  in arswitch_writephy_external()
107  * Access PHYs integrated into the switch chip through the switch's MDIO
111 arswitch_readphy_internal(device_t dev, int phy, int reg)  in arswitch_readphy_internal()  argument
121 	if (phy < 0 || phy >= 32)  in arswitch_readphy_internal()
135 	    (phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |  in arswitch_readphy_internal()
137 	DEVERR(dev, err, "arswitch_readphy()=%d: phy=%d.%02x\n", phy, reg);  in arswitch_readphy_internal()
140 	for (timeout = 100; timeout--; ) {  in arswitch_readphy_internal()
147 		    "arswitch_readphy(): phy=%d.%02x; timeout=%d\n",  in arswitch_readphy_internal()
148 		    phy, reg, timeout);  in arswitch_readphy_internal()
156 	    "%s: phy=0x%08x, reg=0x%08x, ret=0x%08x\n",  in arswitch_readphy_internal()
157 	    __func__, phy, reg, data);  in arswitch_readphy_internal()
165 	    "%s: phy=0x%08x, reg=0x%08x, fail; err=%d\n",  in arswitch_readphy_internal()
166 	    __func__, phy, reg, err);  in arswitch_readphy_internal()
168 	return (-1);  in arswitch_readphy_internal()
172 arswitch_writephy_internal(device_t dev, int phy, int reg, int data)  in arswitch_writephy_internal()  argument
195 	    (phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |  in arswitch_writephy_internal()
200 	for (timeout = 100; timeout--; ) {  in arswitch_writephy_internal()
209 	    "%s: phy=0x%08x, reg=0x%08x, data=0x%08x, err=%d\n",  in arswitch_writephy_internal()
210 	    __func__, phy, reg, data, err);  in arswitch_writephy_internal()
213 	DEVERR(dev, err, "arswitch_writephy()=%d: phy=%d.%02x\n", phy, reg);  in arswitch_writephy_internal()