1 /* $NetBSD: tegra_xusbpad.c,v 1.6 2017/09/19 20:46:12 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2017 Jared McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: tegra_xusbpad.c,v 1.6 2017/09/19 20:46:12 jmcneill Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/bus.h> 34 #include <sys/cpu.h> 35 #include <sys/device.h> 36 37 #include <dev/fdt/fdtvar.h> 38 39 #include <arm/nvidia/tegra_xusbpad.h> 40 41 static const struct tegra_xusbpad_ops *xusbpad_ops = NULL; 42 static device_t xusbpad_device = NULL; 43 44 void 45 tegra_xusbpad_register(device_t dev, const struct tegra_xusbpad_ops *ops) 46 { 47 KASSERT(dev != NULL && ops != NULL); 48 KASSERT(xusbpad_ops == NULL); 49 KASSERT(xusbpad_device == NULL); 50 51 xusbpad_ops = ops; 52 xusbpad_device = dev; 53 } 54 55 void 56 tegra_xusbpad_sata_enable(void) 57 { 58 if (xusbpad_ops == NULL || xusbpad_ops->sata_enable == NULL) { 59 aprint_error("%s: could not enable SATA\n", __func__); 60 return; 61 } 62 xusbpad_ops->sata_enable(xusbpad_device); 63 } 64 65 void 66 tegra_xusbpad_xhci_enable(void) 67 { 68 if (xusbpad_ops == NULL || xusbpad_ops->xhci_enable == NULL) { 69 aprint_error("%s: could not enable XHCI\n", __func__); 70 return; 71 } 72 xusbpad_ops->xhci_enable(xusbpad_device); 73 } 74