1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 2010 Nathan Whitehorn
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 TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29#include <sys/stdint.h>
30#include <sys/stddef.h>
31#include <sys/param.h>
32#include <sys/queue.h>
33#include <sys/types.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/bus.h>
37#include <sys/module.h>
38#include <sys/lock.h>
39#include <sys/mutex.h>
40#include <sys/condvar.h>
41#include <sys/sysctl.h>
42#include <sys/sx.h>
43#include <sys/unistd.h>
44#include <sys/callout.h>
45#include <sys/malloc.h>
46#include <sys/priv.h>
47
48#include <sys/rman.h>
49
50#include <dev/usb/usb.h>
51#include <dev/usb/usbdi.h>
52
53#include <dev/usb/usb_core.h>
54#include <dev/usb/usb_busdma.h>
55#include <dev/usb/usb_process.h>
56#include <dev/usb/usb_util.h>
57
58#include <dev/usb/usb_controller.h>
59#include <dev/usb/usb_bus.h>
60#include <dev/usb/controller/ehci.h>
61#include <dev/usb/controller/ehcireg.h>
62
63#include "ps3bus.h"
64
65static void
66ehci_ps3_post_reset(struct ehci_softc *ehci_softc)
67{
68	uint32_t usbmode;
69
70	/* Select big-endian mode */
71	usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM);
72	usbmode |= EHCI_UM_ES_BE;
73	EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode);
74}
75
76static int
77ehci_ps3_probe(device_t dev)
78{
79	if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
80	    ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
81		return (ENXIO);
82
83	device_set_desc(dev, "Playstation 3 USB 2.0 controller");
84	return (BUS_PROBE_SPECIFIC);
85}
86
87static int
88ehci_ps3_attach(device_t dev)
89{
90	ehci_softc_t *sc = device_get_softc(dev);
91	int rid, err;
92
93	sc->sc_bus.parent = dev;
94	sc->sc_bus.devices = sc->sc_devices;
95	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
96	sc->sc_bus.dma_bits = 32;
97
98	/* get all DMA memory */
99	if (usb_bus_mem_alloc_all(&sc->sc_bus,
100	    USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
101		return (ENOMEM);
102
103	rid = 1;
104	sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
105	    &rid, RF_ACTIVE);
106
107	if (!sc->sc_io_res) {
108		device_printf(dev, "Could not map memory\n");
109		goto error;
110	}
111
112	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
113	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
114	sc->sc_io_size = rman_get_size(sc->sc_io_res);
115
116	rid = 1;
117	sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
118	    RF_SHAREABLE | RF_ACTIVE);
119
120	if (sc->sc_irq_res == NULL) {
121		device_printf(dev, "Could not allocate irq\n");
122		return (ENXIO);
123	}
124
125	sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
126	if (!sc->sc_bus.bdev) {
127		device_printf(dev, "Could not add USB device\n");
128		return (ENXIO);
129	}
130
131	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
132
133	sprintf(sc->sc_vendor, "Sony");
134
135	err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
136	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
137	if (err) {
138		device_printf(dev, "Could not setup error irq, %d\n", err);
139		goto error;
140	}
141
142	sc->sc_vendor_post_reset = ehci_ps3_post_reset;
143	err = ehci_init(sc);
144	if (err) {
145		device_printf(dev, "USB init failed err=%d\n", err);
146		goto error;
147	}
148
149	err = device_probe_and_attach(sc->sc_bus.bdev);
150	if (err == 0)
151		return (0);
152
153error:
154	return (ENXIO);
155}
156
157static device_method_t ehci_ps3_methods[] = {
158	/* Device interface */
159	DEVMETHOD(device_probe, ehci_ps3_probe),
160	DEVMETHOD(device_attach, ehci_ps3_attach),
161	DEVMETHOD(device_resume, bus_generic_resume),
162	DEVMETHOD(device_suspend, bus_generic_suspend),
163	DEVMETHOD(device_shutdown, bus_generic_shutdown),
164
165	DEVMETHOD_END
166};
167
168static driver_t ehci_ps3_driver = {
169	.name = "ehci",
170	.methods = ehci_ps3_methods,
171	.size = sizeof(ehci_softc_t),
172};
173
174DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, 0, 0);
175MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);
176