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
tegra_xusbpad_register(device_t dev,const struct tegra_xusbpad_ops * ops)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
tegra_xusbpad_sata_enable(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
tegra_xusbpad_xhci_enable(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