1/*	$NetBSD: zynq7000_usb.c,v 1.3 2022/10/25 22:52:48 jmcneill Exp $	*/
2/*-
3 * Copyright (c) 2015  Genetec Corporation.  All rights reserved.
4 * Written by Hashimoto Kenichi for Genetec Corporation.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: zynq7000_usb.c,v 1.3 2022/10/25 22:52:48 jmcneill Exp $");
30
31#include "opt_soc.h"
32
33#include <sys/param.h>
34#include <sys/bus.h>
35#include <sys/conf.h>
36#include <sys/device.h>
37#include <sys/intr.h>
38#include <sys/kernel.h>
39#include <sys/systm.h>
40
41#include <dev/usb/usb.h>
42#include <dev/usb/usbdi.h>
43#include <dev/usb/usbdivar.h>
44#include <dev/usb/usb_mem.h>
45
46#include <dev/usb/ehcireg.h>
47#include <dev/usb/ehcivar.h>
48
49#include <arm/xilinx/zynq_usbvar.h>
50#include <arm/xilinx/zynq_usbreg.h>
51
52#include <dev/fdt/fdtvar.h>
53
54static const struct device_compatible_entry compat_data[] = {
55	{ .compat = "xlnx,zynq-usb-2.20a" },
56	DEVICE_COMPAT_EOL
57};
58
59static int zynqusb_match(device_t, struct cfdata *, void *);
60static void zynqusb_attach(device_t, device_t, void *);
61
62/* attach structures */
63CFATTACH_DECL_NEW(zynqusb, sizeof(struct zynqehci_softc),
64    zynqusb_match, zynqusb_attach, NULL, NULL);
65
66static int
67zynqusb_match(device_t parent, struct cfdata *cf, void *aux)
68{
69	struct fdt_attach_args * const faa = aux;
70
71	return of_compatible_match(faa->faa_phandle, compat_data);
72}
73
74static void
75zynqusb_attach(device_t parent, device_t self, void *aux)
76{
77	struct fdt_attach_args * faa = aux;
78	char intrstr[128];
79	const int phandle = faa->faa_phandle;
80	struct zynqehci_softc *sc = device_private(self);
81	ehci_softc_t *hsc = &sc->sc_hsc;
82	bus_addr_t addr;
83	bus_size_t size;
84
85	if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
86		aprint_error(": couldn't get registers\n");
87		return;
88	}
89
90	if (!fdtbus_intr_str(phandle, 0, intrstr, sizeof(intrstr))) {
91		aprint_error(": failed to decode interrupt\n");
92		return;
93	}
94
95	if (fdtbus_intr_establish(phandle, 0, IPL_USB, IST_LEVEL, ehci_intr,
96				  hsc) == NULL) {
97		aprint_error("failed to establish interrupt on %s\n",
98		    intrstr);
99		return;
100	}
101
102	zynqusb_attach_common(parent, self, faa->faa_bst, faa->faa_dmat,
103	    addr, size, 0, ZYNQUSBC_IF_ULPI, ZYNQUSB_HOST);
104	aprint_normal_dev(self, "interrupting on %s\n", intrstr);
105}
106