ehci_ps3.c revision 276717 
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: head/sys/powerpc/ps3/ehci_ps3.c 276717 2015-01-05 20:22:18Z hselasky $
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: head/sys/powerpc/ps3/ehci_ps3.c 276717 2015-01-05 20:22:18Z hselasky $");
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 int
73ehci_ps3_probe(device_t dev)
74{
75	if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
76	    ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
77		return (ENXIO);
78
79	device_set_desc(dev, "Playstation 3 USB 2.0 controller");
80	return (BUS_PROBE_SPECIFIC);
81}
82
83static int
84ehci_ps3_attach(device_t dev)
85{
86	ehci_softc_t *sc = device_get_softc(dev);
87	int rid, err;
88
89	sc->sc_bus.parent = dev;
90	sc->sc_bus.devices = sc->sc_devices;
91	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
92	sc->sc_bus.dma_bits = 32;
93
94	/* get all DMA memory */
95	if (usb_bus_mem_alloc_all(&sc->sc_bus,
96	    USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
97		return (ENOMEM);
98
99	rid = 1;
100	sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
101	    &rid, RF_ACTIVE);
102
103	if (!sc->sc_io_res) {
104		device_printf(dev, "Could not map memory\n");
105		goto error;
106	}
107
108	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
109	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
110	sc->sc_io_size = rman_get_size(sc->sc_io_res);
111
112	rid = 1;
113	sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
114	    RF_SHAREABLE | RF_ACTIVE);
115
116	if (sc->sc_irq_res == NULL) {
117		device_printf(dev, "Could not allocate irq\n");
118		return (ENXIO);
119	}
120
121	sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
122	if (!sc->sc_bus.bdev) {
123		device_printf(dev, "Could not add USB device\n");
124		return (ENXIO);
125	}
126
127	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
128
129	sprintf(sc->sc_vendor, "Sony");
130
131	err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
132	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
133	if (err) {
134		device_printf(dev, "Could not setup error irq, %d\n", err);
135		goto error;
136	}
137
138	sc->sc_flags |= EHCI_SCFLG_BIGEMMIO;
139	err = ehci_init(sc);
140	if (err) {
141		device_printf(dev, "USB init failed err=%d\n", err);
142		goto error;
143	}
144
145	err = device_probe_and_attach(sc->sc_bus.bdev);
146	if (err == 0)
147		return (0);
148
149error:
150	return (ENXIO);
151}
152
153static device_method_t ehci_ps3_methods[] = {
154	/* Device interface */
155	DEVMETHOD(device_probe, ehci_ps3_probe),
156	DEVMETHOD(device_attach, ehci_ps3_attach),
157	DEVMETHOD(device_resume, bus_generic_resume),
158	DEVMETHOD(device_suspend, bus_generic_suspend),
159	DEVMETHOD(device_shutdown, bus_generic_shutdown),
160
161	DEVMETHOD_END
162};
163
164static driver_t ehci_ps3_driver = {
165	.name = "ehci",
166	.methods = ehci_ps3_methods,
167	.size = sizeof(ehci_softc_t),
168};
169
170static devclass_t ehci_ps3_devclass;
171
172DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, ehci_ps3_devclass, 0, 0);
173MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);
174