xref: /freebsd/sys/powerpc/ps3/ehci_ps3.c (revision d0b2dbfa)
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 
65 struct ps3_ehci_softc {
66 	ehci_softc_t            base;
67 	struct bus_space         tag;
68 };
69 
70 static void
71 ehci_ps3_post_reset(struct ehci_softc *ehci_softc)
72 {
73 	uint32_t usbmode;
74 
75 	/* Select big-endian mode */
76 	usbmode = EOREAD4(ehci_softc, EHCI_USBMODE_NOLPM);
77 	usbmode |= EHCI_UM_ES_BE;
78 	EOWRITE4(ehci_softc, EHCI_USBMODE_NOLPM, usbmode);
79 }
80 
81 static int
82 ehci_ps3_probe(device_t dev)
83 {
84 	if (ps3bus_get_bustype(dev) != PS3_BUSTYPE_SYSBUS ||
85 	    ps3bus_get_devtype(dev) != PS3_DEVTYPE_USB)
86 		return (ENXIO);
87 
88 	device_set_desc(dev, "Playstation 3 USB 2.0 controller");
89 	return (BUS_PROBE_SPECIFIC);
90 }
91 
92 static int
93 ehci_ps3_attach(device_t dev)
94 {
95 	ehci_softc_t *sc = device_get_softc(dev);
96 	int rid, err;
97 
98 	sc->sc_bus.parent = dev;
99 	sc->sc_bus.devices = sc->sc_devices;
100 	sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
101 	sc->sc_bus.dma_bits = 32;
102 
103 	/* get all DMA memory */
104 	if (usb_bus_mem_alloc_all(&sc->sc_bus,
105 	    USB_GET_DMA_TAG(dev), &ehci_iterate_hw_softc))
106 		return (ENOMEM);
107 
108 	rid = 1;
109 	sc->sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
110 	    &rid, RF_ACTIVE);
111 
112 	if (!sc->sc_io_res) {
113 		device_printf(dev, "Could not map memory\n");
114 		goto error;
115 	}
116 
117 	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
118 	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
119 	sc->sc_io_size = rman_get_size(sc->sc_io_res);
120 
121 	rid = 1;
122 	sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
123 	    RF_SHAREABLE | RF_ACTIVE);
124 
125 	if (sc->sc_irq_res == NULL) {
126 		device_printf(dev, "Could not allocate irq\n");
127 		return (ENXIO);
128 	}
129 
130 	sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
131 	if (!sc->sc_bus.bdev) {
132 		device_printf(dev, "Could not add USB device\n");
133 		return (ENXIO);
134 	}
135 
136 	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
137 
138 	sprintf(sc->sc_vendor, "Sony");
139 
140 	err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
141 	    NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
142 	if (err) {
143 		device_printf(dev, "Could not setup error irq, %d\n", err);
144 		goto error;
145 	}
146 
147 	sc->sc_vendor_post_reset = ehci_ps3_post_reset;
148 	err = ehci_init(sc);
149 	if (err) {
150 		device_printf(dev, "USB init failed err=%d\n", err);
151 		goto error;
152 	}
153 
154 	err = device_probe_and_attach(sc->sc_bus.bdev);
155 	if (err == 0)
156 		return (0);
157 
158 error:
159 	return (ENXIO);
160 }
161 
162 static device_method_t ehci_ps3_methods[] = {
163 	/* Device interface */
164 	DEVMETHOD(device_probe, ehci_ps3_probe),
165 	DEVMETHOD(device_attach, ehci_ps3_attach),
166 	DEVMETHOD(device_resume, bus_generic_resume),
167 	DEVMETHOD(device_suspend, bus_generic_suspend),
168 	DEVMETHOD(device_shutdown, bus_generic_shutdown),
169 
170 	DEVMETHOD_END
171 };
172 
173 static driver_t ehci_ps3_driver = {
174 	.name = "ehci",
175 	.methods = ehci_ps3_methods,
176 	.size = sizeof(ehci_softc_t),
177 };
178 
179 DRIVER_MODULE(ehci_ps3, ps3bus, ehci_ps3_driver, 0, 0);
180 MODULE_DEPEND(ehci_ps3, usb, 1, 1, 1);
181