1/*-
2 * Copyright (C) 2010 Nathan Whitehorn
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 ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
18 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
22 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
23 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31#include <sys/stdint.h>
32#include <sys/stddef.h>
33#include <sys/param.h>
34#include <sys/queue.h>
35#include <sys/types.h>
36#include <sys/systm.h>
37#include <sys/kernel.h>
38#include <sys/bus.h>
39#include <sys/module.h>
40#include <sys/lock.h>
41#include <sys/mutex.h>
42#include <sys/condvar.h>
43#include <sys/sysctl.h>
44#include <sys/sx.h>
45#include <sys/unistd.h>
46#include <sys/callout.h>
47#include <sys/malloc.h>
48#include <sys/priv.h>
49
50#include <sys/rman.h>
51
52#include <dev/usb/usb.h>
53#include <dev/usb/usbdi.h>
54
55#include <dev/usb/usb_core.h>
56#include <dev/usb/usb_busdma.h>
57#include <dev/usb/usb_process.h>
58#include <dev/usb/usb_util.h>
59
60#include <dev/usb/usb_controller.h>
61#include <dev/usb/usb_bus.h>
62#include <dev/usb/controller/ehci.h>
63#include <dev/usb/controller/ehcireg.h>
64
65#include "ps3bus.h"
66
67struct ps3_ehci_softc {
68	ehci_softc_t            base;
69	struct bus_space         tag;
70};
71
72static void
73ehci_ps3_post_reset(struct ehci_softc *ehci_softc)
74{
75	uint32_t usbmode;
76
77	/* Select big-endian mode */
78	usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM);
79	usbmode |= EHCI_UM_ES_BE;
80	EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode);
81}
82
83static int
84ehci_ps3_probe(device_t dev)
85{
86	if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
87	    ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
88		return (ENXIO);
89
90	device_set_desc(dev, "Playstation 3 USB 2.0 controller");
91	return (BUS_PROBE_SPECIFIC);
92}
93
94static int
95ehci_ps3_attach(device_t dev)
96{
97	ehci_softc_t *sc = device_get_softc(dev);
98	int rid, err;
99
100	sc->sc_bus.parent = dev;
101	sc->sc_bus.devices = sc->sc_devices;
102	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
103	sc->sc_bus.dma_bits = 32;
104
105	/* get all DMA memory */
106	if (usb_bus_mem_alloc_all(&sc->sc_bus,
107	    USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
108		return (ENOMEM);
109
110	rid = 1;
111	sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
112	    &rid, RF_ACTIVE);
113
114	if (!sc->sc_io_res) {
115		device_printf(dev, "Could not map memory\n");
116		goto error;
117	}
118
119	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
120	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
121	sc->sc_io_size = rman_get_size(sc->sc_io_res);
122
123	rid = 1;
124	sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
125	    RF_SHAREABLE | RF_ACTIVE);
126
127	if (sc->sc_irq_res == NULL) {
128		device_printf(dev, "Could not allocate irq\n");
129		return (ENXIO);
130	}
131
132	sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
133	if (!sc->sc_bus.bdev) {
134		device_printf(dev, "Could not add USB device\n");
135		return (ENXIO);
136	}
137
138	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
139
140	sprintf(sc->sc_vendor, "Sony");
141
142	err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
143	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
144	if (err) {
145		device_printf(dev, "Could not setup error irq, %d\n", err);
146		goto error;
147	}
148
149	sc->sc_vendor_post_reset = ehci_ps3_post_reset;
150	err = ehci_init(sc);
151	if (err) {
152		device_printf(dev, "USB init failed err=%d\n", err);
153		goto error;
154	}
155
156	err = device_probe_and_attach(sc->sc_bus.bdev);
157	if (err == 0)
158		return (0);
159
160error:
161	return (ENXIO);
162}
163
164static device_method_t ehci_ps3_methods[] = {
165	/* Device interface */
166	DEVMETHOD(device_probe, ehci_ps3_probe),
167	DEVMETHOD(device_attach, ehci_ps3_attach),
168	DEVMETHOD(device_resume, bus_generic_resume),
169	DEVMETHOD(device_suspend, bus_generic_suspend),
170	DEVMETHOD(device_shutdown, bus_generic_shutdown),
171
172	DEVMETHOD_END
173};
174
175static driver_t ehci_ps3_driver = {
176	.name = "ehci",
177	.methods = ehci_ps3_methods,
178	.size = sizeof(ehci_softc_t),
179};
180
181static devclass_t ehci_ps3_devclass;
182
183DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, ehci_ps3_devclass, 0, 0);
184MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);
185