1 #include <sys/cdefs.h>
2 __FBSDID("$FreeBSD$");
3
4 /*-
5 * Copyright (c) 2007-2008 Hans Petter Selasky. 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 AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
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 #include <sys/rman.h>
48
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usbdi.h>
51
52 #include <dev/usb/usb_core.h>
53 #include <dev/usb/usb_busdma.h>
54 #include <dev/usb/usb_process.h>
55 #include <dev/usb/usb_util.h>
56
57 #include <dev/usb/usb_controller.h>
58 #include <dev/usb/usb_bus.h>
59
60 #include <contrib/octeon-sdk/cvmx.h>
61 #include <contrib/octeon-sdk/cvmx-interrupt.h>
62 #include <contrib/octeon-sdk/cvmx-usb.h>
63
64 #include <mips/cavium/usb/octusb.h>
65
66 #define MEM_RID 0
67
68 static device_identify_t octusb_octeon_identify;
69 static device_probe_t octusb_octeon_probe;
70 static device_attach_t octusb_octeon_attach;
71 static device_detach_t octusb_octeon_detach;
72
73 struct octusb_octeon_softc {
74 struct octusb_softc sc_dci; /* must be first */
75 };
76
77 static void
78 octusb_octeon_identify(driver_t *drv, device_t parent)
79 {
80 if (octeon_has_feature(OCTEON_FEATURE_USB))
81 BUS_ADD_CHILD(parent, 0, "octusb", 0);
82 }
83
84 static int
85 octusb_octeon_probe(device_t dev)
86 {
87 device_set_desc(dev, "Cavium Octeon USB controller");
88 return (0);
89 }
90
91 static int
92 octusb_octeon_attach(device_t dev)
93 {
94 struct octusb_octeon_softc *sc = device_get_softc(dev);
95 int err;
96 int rid;
97
98 /* setup controller interface softc */
99
100 /* initialise some bus fields */
101 sc->sc_dci.sc_bus.parent = dev;
102 sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices;
103 sc->sc_dci.sc_bus.devices_max = OCTUSB_MAX_DEVICES;
104
105 /* get all DMA memory */
106 if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus,
107 USB_GET_DMA_TAG(dev), NULL)) {
108 return (ENOMEM);
109 }
110 rid = 0;
111 sc->sc_dci.sc_irq_res =
112 bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
113 CVMX_IRQ_USB, CVMX_IRQ_USB, 1, RF_ACTIVE);
114 if (!(sc->sc_dci.sc_irq_res)) {
115 goto error;
116 }
117
118 sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
119 if (!(sc->sc_dci.sc_bus.bdev)) {
120 goto error;
121 }
122 device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus);
123
124 #if (__FreeBSD_version >= 700031)
125 err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
126 NULL, (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl);
127 #else
128 err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
129 (driver_intr_t *)octusb_interrupt, sc, &sc->sc_dci.sc_intr_hdl);
130 #endif
131 if (err) {
132 sc->sc_dci.sc_intr_hdl = NULL;
133 goto error;
134 }
135 err = octusb_init(&sc->sc_dci);
136 if (!err) {
137 err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev);
138 }
139 if (err) {
140 goto error;
141 }
142 return (0);
143
144 error:
145 octusb_octeon_detach(dev);
146 return (ENXIO);
147 }
148
149 static int
150 octusb_octeon_detach(device_t dev)
151 {
152 struct octusb_octeon_softc *sc = device_get_softc(dev);
153 int err;
154
155 /* during module unload there are lots of children leftover */
156 device_delete_all_children(dev);
157
158 if (sc->sc_dci.sc_irq_res && sc->sc_dci.sc_intr_hdl) {
159 /*
160 * only call octusb_octeon_uninit() after octusb_octeon_init()
161 */
162 octusb_uninit(&sc->sc_dci);
163
164 err = bus_teardown_intr(dev, sc->sc_dci.sc_irq_res,
165 sc->sc_dci.sc_intr_hdl);
166 sc->sc_dci.sc_intr_hdl = NULL;
167 }
168 if (sc->sc_dci.sc_irq_res) {
169 bus_release_resource(dev, SYS_RES_IRQ, 0,
170 sc->sc_dci.sc_irq_res);
171 sc->sc_dci.sc_irq_res = NULL;
172 }
173 usb_bus_mem_free_all(&sc->sc_dci.sc_bus, NULL);
174
175 return (0);
176 }
177
178 static device_method_t octusb_octeon_methods[] = {
179 /* Device interface */
180 DEVMETHOD(device_identify, octusb_octeon_identify),
181 DEVMETHOD(device_probe, octusb_octeon_probe),
182 DEVMETHOD(device_attach, octusb_octeon_attach),
183 DEVMETHOD(device_detach, octusb_octeon_detach),
184 DEVMETHOD(device_resume, bus_generic_resume),
185 DEVMETHOD(device_suspend, bus_generic_suspend),
186 DEVMETHOD(device_shutdown, bus_generic_shutdown),
187
188 DEVMETHOD_END
189 };
190
191 static driver_t octusb_octeon_driver = {
192 .name = "octusb",
193 .methods = octusb_octeon_methods,
194 .size = sizeof(struct octusb_octeon_softc),
195 };
196
197 static devclass_t octusb_octeon_devclass;
198
199 DRIVER_MODULE(octusb, ciu, octusb_octeon_driver, octusb_octeon_devclass, 0, 0);
Cache object: 79e907c85b634021b4bd433929440dc1
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