xref: /freebsd/sys/powerpc/ps3/ehci_ps3.c (revision e32fecd0c2c3ee37c47ee100f169e7eb0282a873)
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  * $FreeBSD$
28  */
29 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
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 
69 struct ps3_ehci_softc {
70 	ehci_softc_t            base;
71 	struct bus_space         tag;
72 };
73 
74 static void
75 ehci_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 
85 static int
86 ehci_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 
96 static int
97 ehci_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 
162 error:
163 	return (ENXIO);
164 }
165 
166 static 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 
177 static driver_t ehci_ps3_driver = {
178 	.name = "ehci",
179 	.methods = ehci_ps3_methods,
180 	.size = sizeof(ehci_softc_t),
181 };
182 
183 DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, 0, 0);
184 MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);
185