ehci_ps3.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD: stable/11/sys/powerpc/ps3/ehci_ps3.c 330897 2018-03-14 03:19:51Z eadler $
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: stable/11/sys/powerpc/ps3/ehci_ps3.c 330897 2018-03-14 03:19:51Z eadler $");
32
33#include <sys/stdint.h>
34#include <sys/stddef.h>
35#include <sys/param.h>
36#include <sys/queue.h>
37#include <sys/types.h>
38#include <sys/systm.h>
39#include <sys/kernel.h>
40#include <sys/bus.h>
41#include <sys/module.h>
42#include <sys/lock.h>
43#include <sys/mutex.h>
44#include <sys/condvar.h>
45#include <sys/sysctl.h>
46#include <sys/sx.h>
47#include <sys/unistd.h>
48#include <sys/callout.h>
49#include <sys/malloc.h>
50#include <sys/priv.h>
51
52#include <sys/rman.h>
53
54#include <dev/usb/usb.h>
55#include <dev/usb/usbdi.h>
56
57#include <dev/usb/usb_core.h>
58#include <dev/usb/usb_busdma.h>
59#include <dev/usb/usb_process.h>
60#include <dev/usb/usb_util.h>
61
62#include <dev/usb/usb_controller.h>
63#include <dev/usb/usb_bus.h>
64#include <dev/usb/controller/ehci.h>
65#include <dev/usb/controller/ehcireg.h>
66
67#include "ps3bus.h"
68
69struct ps3_ehci_softc {
70	ehci_softc_t            base;
71	struct bus_space         tag;
72};
73
74static void
75ehci_ps3_post_reset(struct ehci_softc *ehci_softc)
76{
77	uint32_t usbmode;
78
79	/* Select big-endian mode */
80	usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM);
81	usbmode |= EHCI_UM_ES_BE;
82	EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode);
83}
84
85static int
86ehci_ps3_probe(device_t dev)
87{
88	if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
89	    ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
90		return (ENXIO);
91
92	device_set_desc(dev, "Playstation 3 USB 2.0 controller");
93	return (BUS_PROBE_SPECIFIC);
94}
95
96static int
97ehci_ps3_attach(device_t dev)
98{
99	ehci_softc_t *sc = device_get_softc(dev);
100	int rid, err;
101
102	sc->sc_bus.parent = dev;
103	sc->sc_bus.devices = sc->sc_devices;
104	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
105	sc->sc_bus.dma_bits = 32;
106
107	/* get all DMA memory */
108	if (usb_bus_mem_alloc_all(&sc->sc_bus,
109	    USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
110		return (ENOMEM);
111
112	rid = 1;
113	sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
114	    &rid, RF_ACTIVE);
115
116	if (!sc->sc_io_res) {
117		device_printf(dev, "Could not map memory\n");
118		goto error;
119	}
120
121	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
122	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
123	sc->sc_io_size = rman_get_size(sc->sc_io_res);
124
125	rid = 1;
126	sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
127	    RF_SHAREABLE | RF_ACTIVE);
128
129	if (sc->sc_irq_res == NULL) {
130		device_printf(dev, "Could not allocate irq\n");
131		return (ENXIO);
132	}
133
134	sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
135	if (!sc->sc_bus.bdev) {
136		device_printf(dev, "Could not add USB device\n");
137		return (ENXIO);
138	}
139
140	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
141
142	sprintf(sc->sc_vendor, "Sony");
143
144	err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
145	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
146	if (err) {
147		device_printf(dev, "Could not setup error irq, %d\n", err);
148		goto error;
149	}
150
151	sc->sc_vendor_post_reset = ehci_ps3_post_reset;
152	err = ehci_init(sc);
153	if (err) {
154		device_printf(dev, "USB init failed err=%d\n", err);
155		goto error;
156	}
157
158	err = device_probe_and_attach(sc->sc_bus.bdev);
159	if (err == 0)
160		return (0);
161
162error:
163	return (ENXIO);
164}
165
166static device_method_t ehci_ps3_methods[] = {
167	/* Device interface */
168	DEVMETHOD(device_probe, ehci_ps3_probe),
169	DEVMETHOD(device_attach, ehci_ps3_attach),
170	DEVMETHOD(device_resume, bus_generic_resume),
171	DEVMETHOD(device_suspend, bus_generic_suspend),
172	DEVMETHOD(device_shutdown, bus_generic_shutdown),
173
174	DEVMETHOD_END
175};
176
177static driver_t ehci_ps3_driver = {
178	.name = "ehci",
179	.methods = ehci_ps3_methods,
180	.size = sizeof(ehci_softc_t),
181};
182
183static devclass_t ehci_ps3_devclass;
184
185DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, ehci_ps3_devclass, 0, 0);
186MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);
187