1 /*- 2 * Copyright 2018 Michal Meloun <mmel@FreeBSD.org> 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/param.h> 28 #include <sys/systm.h> 29 #include <sys/kernel.h> 30 #include <sys/lock.h> 31 #include <sys/queue.h> 32 #include <sys/sx.h> 33 34 35 #include <dev/phy/phy_usb.h> 36 #include <dev/phy/phy_internal.h> 37 38 /* 39 * USB phy controller methods. 40 */ 41 static phynode_usb_method_t phynode_usb_methods[] = { 42 43 PHYNODEUSBMETHOD_END 44 }; 45 DEFINE_CLASS_1(phynode_usb, phynode_usb_class, phynode_usb_methods, 46 0, phynode_class); 47 48 /* 49 * Create and initialize phy object, but do not register it. 50 */ 51 struct phynode * 52 phynode_usb_create(device_t pdev, phynode_class_t phynode_class, 53 struct phynode_usb_init_def *def) 54 55 { 56 struct phynode *phynode; 57 struct phynode_usb_sc *sc; 58 59 phynode = phynode_create(pdev, phynode_class, &def->phynode_init_def); 60 if (phynode == NULL) 61 return (NULL); 62 sc = phynode_get_softc(phynode); 63 sc->std_param = def->std_param; 64 return (phynode); 65 } 66 67 struct phynode 68 *phynode_usb_register(struct phynode *phynode) 69 { 70 71 return (phynode_register(phynode)); 72 } 73 74 /* -------------------------------------------------------------------------- 75 * 76 * Real consumers executive 77 * 78 */ 79 80 /* 81 * Set USB phy mode. (PHY_USB_MODE_*) 82 */ 83 int 84 phynode_usb_set_mode(struct phynode *phynode, int usb_mode) 85 { 86 int rv; 87 88 PHY_TOPO_ASSERT(); 89 90 PHYNODE_XLOCK(phynode); 91 rv = PHYNODE_USB_SET_MODE(phynode, usb_mode); 92 PHYNODE_UNLOCK(phynode); 93 return (rv); 94 } 95 96 /* 97 * Get USB phy mode. (PHY_USB_MODE_*) 98 */ 99 int 100 phynode_usb_get_mode(struct phynode *phynode, int *usb_mode) 101 { 102 int rv; 103 104 PHY_TOPO_ASSERT(); 105 106 PHYNODE_XLOCK(phynode); 107 rv = PHYNODE_USB_GET_MODE(phynode, usb_mode); 108 PHYNODE_UNLOCK(phynode); 109 return (rv); 110 } 111 112 /* -------------------------------------------------------------------------- 113 * 114 * USB phy consumers interface. 115 * 116 */ 117 int phy_usb_set_mode(phy_t phy, int usb_mode) 118 { 119 int rv; 120 struct phynode *phynode; 121 122 phynode = phy->phynode; 123 KASSERT(phynode->ref_cnt > 0, 124 ("Attempt to access unreferenced phy.\n")); 125 126 PHY_TOPO_SLOCK(); 127 rv = phynode_usb_set_mode(phynode, usb_mode); 128 PHY_TOPO_UNLOCK(); 129 return (rv); 130 } 131 132 int phy_usb_get_mode(phy_t phy, int *usb_mode) 133 { 134 int rv; 135 struct phynode *phynode; 136 137 phynode = phy->phynode; 138 KASSERT(phynode->ref_cnt > 0, 139 ("Attempt to access unreferenced phy.\n")); 140 141 PHY_TOPO_SLOCK(); 142 rv = phynode_usb_get_mode(phynode, usb_mode); 143 PHY_TOPO_UNLOCK(); 144 return (rv); 145 } 146