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 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/kernel.h> 31 #include <sys/lock.h> 32 #include <sys/queue.h> 33 #include <sys/sx.h> 34 35 36 #include <dev/extres/phy/phy_usb.h> 37 #include <dev/extres/phy/phy_internal.h> 38 39 /* 40 * USB phy controller methods. 41 */ 42 static phynode_usb_method_t phynode_usb_methods[] = { 43 44 PHYNODEUSBMETHOD_END 45 }; 46 DEFINE_CLASS_1(phynode_usb, phynode_usb_class, phynode_usb_methods, 47 0, phynode_class); 48 49 /* 50 * Create and initialize phy object, but do not register it. 51 */ 52 struct phynode * 53 phynode_usb_create(device_t pdev, phynode_class_t phynode_class, 54 struct phynode_usb_init_def *def) 55 56 { 57 struct phynode *phynode; 58 struct phynode_usb_sc *sc; 59 60 phynode = phynode_create(pdev, phynode_class, &def->phynode_init_def); 61 if (phynode == NULL) 62 return (NULL); 63 sc = phynode_get_softc(phynode); 64 sc->std_param = def->std_param; 65 return (phynode); 66 } 67 68 struct phynode 69 *phynode_usb_register(struct phynode *phynode) 70 { 71 72 return (phynode_register(phynode)); 73 } 74 75 /* -------------------------------------------------------------------------- 76 * 77 * Real consumers executive 78 * 79 */ 80 81 /* 82 * Set USB phy mode. (PHY_USB_MODE_*) 83 */ 84 int 85 phynode_usb_set_mode(struct phynode *phynode, int usb_mode) 86 { 87 int rv; 88 89 PHY_TOPO_ASSERT(); 90 91 PHYNODE_XLOCK(phynode); 92 rv = PHYNODE_USB_SET_MODE(phynode, usb_mode); 93 PHYNODE_UNLOCK(phynode); 94 return (rv); 95 } 96 97 /* 98 * Get USB phy mode. (PHY_USB_MODE_*) 99 */ 100 int 101 phynode_usb_get_mode(struct phynode *phynode, int *usb_mode) 102 { 103 int rv; 104 105 PHY_TOPO_ASSERT(); 106 107 PHYNODE_XLOCK(phynode); 108 rv = PHYNODE_USB_GET_MODE(phynode, usb_mode); 109 PHYNODE_UNLOCK(phynode); 110 return (rv); 111 } 112 113 /* -------------------------------------------------------------------------- 114 * 115 * USB phy consumers interface. 116 * 117 */ 118 int phy_usb_set_mode(phy_t phy, int usb_mode) 119 { 120 int rv; 121 struct phynode *phynode; 122 123 phynode = phy->phynode; 124 KASSERT(phynode->ref_cnt > 0, 125 ("Attempt to access unreferenced phy.\n")); 126 127 PHY_TOPO_SLOCK(); 128 rv = phynode_usb_set_mode(phynode, usb_mode); 129 PHY_TOPO_UNLOCK(); 130 return (rv); 131 } 132 133 int phy_usb_get_mode(phy_t phy, int *usb_mode) 134 { 135 int rv; 136 struct phynode *phynode; 137 138 phynode = phy->phynode; 139 KASSERT(phynode->ref_cnt > 0, 140 ("Attempt to access unreferenced phy.\n")); 141 142 PHY_TOPO_SLOCK(); 143 rv = phynode_usb_get_mode(phynode, usb_mode); 144 PHY_TOPO_UNLOCK(); 145 return (rv); 146 } 147