1 /*- 2 * Copyright 2018 Michal Meloun <[email protected]> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/kernel.h> 32 #include <sys/lock.h> 33 #include <sys/queue.h> 34 #include <sys/sx.h> 35 36 37 #include <dev/extres/phy/phy_usb.h> 38 #include <dev/extres/phy/phy_internal.h> 39 40 #include "phydev_if.h" 41 42 /* 43 * USB phy controller methods. 44 */ 45 static phynode_usb_method_t phynode_usb_methods[] = { 46 47 PHYNODEUSBMETHOD_END 48 }; 49 DEFINE_CLASS_1(phynode_usb, phynode_usb_class, phynode_usb_methods, 50 0, phynode_class); 51 52 /* 53 * Create and initialize phy object, but do not register it. 54 */ 55 struct phynode * 56 phynode_usb_create(device_t pdev, phynode_class_t phynode_class, 57 struct phynode_usb_init_def *def) 58 59 { 60 struct phynode *phynode; 61 struct phynode_usb_sc *sc; 62 63 phynode = phynode_create(pdev, phynode_class, &def->phynode_init_def); 64 if (phynode == NULL) 65 return (NULL); 66 sc = phynode_get_softc(phynode); 67 sc->std_param = def->std_param; 68 return (phynode); 69 } 70 71 struct phynode 72 *phynode_usb_register(struct phynode *phynode) 73 { 74 75 return (phynode_register(phynode)); 76 } 77 78 /* -------------------------------------------------------------------------- 79 * 80 * Real consumers executive 81 * 82 */ 83 84 /* 85 * Set USB phy mode. (PHY_USB_MODE_*) 86 */ 87 int 88 phynode_usb_set_mode(struct phynode *phynode, int usb_mode) 89 { 90 int rv; 91 92 PHY_TOPO_ASSERT(); 93 94 PHYNODE_XLOCK(phynode); 95 rv = PHYNODE_USB_SET_MODE(phynode, usb_mode); 96 PHYNODE_UNLOCK(phynode); 97 return (rv); 98 } 99 100 /* 101 * Get USB phy mode. (PHY_USB_MODE_*) 102 */ 103 int 104 phynode_usb_get_mode(struct phynode *phynode, int *usb_mode) 105 { 106 int rv; 107 108 PHY_TOPO_ASSERT(); 109 110 PHYNODE_XLOCK(phynode); 111 rv = PHYNODE_USB_GET_MODE(phynode, usb_mode); 112 PHYNODE_UNLOCK(phynode); 113 return (rv); 114 } 115 116 /* -------------------------------------------------------------------------- 117 * 118 * USB phy consumers interface. 119 * 120 */ 121 int phy_usb_set_mode(phy_t phy, int usb_mode) 122 { 123 int rv; 124 struct phynode *phynode; 125 126 phynode = phy->phynode; 127 KASSERT(phynode->ref_cnt > 0, 128 ("Attempt to access unreferenced phy.\n")); 129 130 PHY_TOPO_SLOCK(); 131 rv = phynode_usb_set_mode(phynode, usb_mode); 132 PHY_TOPO_UNLOCK(); 133 return (rv); 134 } 135 136 int phy_usb_get_mode(phy_t phy, int *usb_mode) 137 { 138 int rv; 139 struct phynode *phynode; 140 141 phynode = phy->phynode; 142 KASSERT(phynode->ref_cnt > 0, 143 ("Attempt to access unreferenced phy.\n")); 144 145 PHY_TOPO_SLOCK(); 146 rv = phynode_usb_get_mode(phynode, usb_mode); 147 PHY_TOPO_UNLOCK(); 148 return (rv); 149 } 150