5 * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/stdint.h>
31 #include <sys/stddef.h>
32 #include <sys/param.h>
33 #include <sys/queue.h>
34 #include <sys/types.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
38 #include <sys/module.h>
40 #include <sys/mutex.h>
41 #include <sys/condvar.h>
42 #include <sys/sysctl.h>
44 #include <sys/unistd.h>
45 #include <sys/callout.h>
46 #include <sys/malloc.h>
49 #include <dev/usb/usb.h>
50 #include <dev/usb/usbdi.h>
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>
57 #include <dev/usb/usb_controller.h>
58 #include <dev/usb/usb_bus.h>
59 #include <dev/usb/controller/uss820dci.h>
63 static device_probe_t uss820_atmelarm_probe;
64 static device_attach_t uss820_atmelarm_attach;
65 static device_detach_t uss820_atmelarm_detach;
66 static device_suspend_t uss820_atmelarm_suspend;
67 static device_resume_t uss820_atmelarm_resume;
68 static device_shutdown_t uss820_atmelarm_shutdown;
70 static device_method_t uss820dci_methods[] = {
71 /* Device interface */
72 DEVMETHOD(device_probe, uss820_atmelarm_probe),
73 DEVMETHOD(device_attach, uss820_atmelarm_attach),
74 DEVMETHOD(device_detach, uss820_atmelarm_detach),
75 DEVMETHOD(device_suspend, uss820_atmelarm_suspend),
76 DEVMETHOD(device_resume, uss820_atmelarm_resume),
77 DEVMETHOD(device_shutdown, uss820_atmelarm_shutdown),
80 DEVMETHOD(bus_print_child, bus_generic_print_child),
85 static driver_t uss820dci_driver = {
87 .methods = uss820dci_methods,
88 .size = sizeof(struct uss820dci_softc),
91 static devclass_t uss820dci_devclass;
93 DRIVER_MODULE(uss820, atmelarm, uss820dci_driver, uss820dci_devclass, 0, 0);
94 MODULE_DEPEND(uss820, usb, 1, 1, 1);
96 static const char *const uss820_desc = "USS820 USB Device Controller";
99 uss820_atmelarm_suspend(device_t dev)
101 struct uss820dci_softc *sc = device_get_softc(dev);
104 err = bus_generic_suspend(dev);
106 uss820dci_suspend(sc);
112 uss820_atmelarm_resume(device_t dev)
114 struct uss820dci_softc *sc = device_get_softc(dev);
117 uss820dci_resume(sc);
119 err = bus_generic_resume(dev);
125 uss820_atmelarm_shutdown(device_t dev)
127 struct uss820dci_softc *sc = device_get_softc(dev);
130 err = bus_generic_shutdown(dev);
134 uss820dci_uninit(sc);
140 uss820_atmelarm_probe(device_t dev)
142 device_set_desc(dev, uss820_desc);
143 return (0); /* success */
147 uss820_atmelarm_attach(device_t dev)
149 struct uss820dci_softc *sc = device_get_softc(dev);
153 /* initialise some bus fields */
154 sc->sc_bus.parent = dev;
155 sc->sc_bus.devices = sc->sc_devices;
156 sc->sc_bus.devices_max = USS820_MAX_DEVICES;
158 /* get all DMA memory */
159 if (usb_bus_mem_alloc_all(&sc->sc_bus,
160 USB_GET_DMA_TAG(dev), NULL)) {
165 bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
167 if (!sc->sc_io_res) {
170 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
171 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
172 sc->sc_io_size = rman_get_size(sc->sc_io_res);
175 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
176 RF_SHAREABLE | RF_ACTIVE);
177 if (sc->sc_irq_res == NULL) {
180 sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
181 if (!(sc->sc_bus.bdev)) {
184 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
186 #if (__FreeBSD_version >= 700031)
187 err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
188 NULL, (driver_intr_t *)uss820dci_interrupt, sc, &sc->sc_intr_hdl);
190 err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
191 (driver_intr_t *)uss820dci_interrupt, sc, &sc->sc_intr_hdl);
194 sc->sc_intr_hdl = NULL;
197 err = uss820dci_init(sc);
199 device_printf(dev, "Init failed\n");
202 err = device_probe_and_attach(sc->sc_bus.bdev);
204 device_printf(dev, "USB probe and attach failed\n");
210 uss820_atmelarm_detach(dev);
215 uss820_atmelarm_detach(device_t dev)
217 struct uss820dci_softc *sc = device_get_softc(dev);
221 if (sc->sc_bus.bdev) {
222 bdev = sc->sc_bus.bdev;
224 device_delete_child(dev, bdev);
226 /* during module unload there are lots of children leftover */
227 device_delete_all_children(dev);
229 if (sc->sc_irq_res && sc->sc_intr_hdl) {
231 * only call at91_udp_uninit() after at91_udp_init()
233 uss820dci_uninit(sc);
235 err = bus_teardown_intr(dev, sc->sc_irq_res,
237 sc->sc_intr_hdl = NULL;
239 if (sc->sc_irq_res) {
240 bus_release_resource(dev, SYS_RES_IRQ, 0,
242 sc->sc_irq_res = NULL;
245 bus_release_resource(dev, SYS_RES_IOPORT, 0,
247 sc->sc_io_res = NULL;
249 usb_bus_mem_free_all(&sc->sc_bus, NULL);