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/linker_set.h>
39 #include <sys/module.h>
41 #include <sys/mutex.h>
42 #include <sys/condvar.h>
43 #include <sys/sysctl.h>
45 #include <sys/unistd.h>
46 #include <sys/callout.h>
47 #include <sys/malloc.h>
50 #include <dev/usb/usb.h>
51 #include <dev/usb/usbdi.h>
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>
58 #include <dev/usb/usb_controller.h>
59 #include <dev/usb/usb_bus.h>
60 #include <dev/usb/controller/uss820dci.h>
64 static device_probe_t uss820_atmelarm_probe;
65 static device_attach_t uss820_atmelarm_attach;
66 static device_detach_t uss820_atmelarm_detach;
67 static device_suspend_t uss820_atmelarm_suspend;
68 static device_resume_t uss820_atmelarm_resume;
69 static device_shutdown_t uss820_atmelarm_shutdown;
71 static device_method_t uss820dci_methods[] = {
72 /* Device interface */
73 DEVMETHOD(device_probe, uss820_atmelarm_probe),
74 DEVMETHOD(device_attach, uss820_atmelarm_attach),
75 DEVMETHOD(device_detach, uss820_atmelarm_detach),
76 DEVMETHOD(device_suspend, uss820_atmelarm_suspend),
77 DEVMETHOD(device_resume, uss820_atmelarm_resume),
78 DEVMETHOD(device_shutdown, uss820_atmelarm_shutdown),
81 DEVMETHOD(bus_print_child, bus_generic_print_child),
86 static driver_t uss820dci_driver = {
88 .methods = uss820dci_methods,
89 .size = sizeof(struct uss820dci_softc),
92 static devclass_t uss820dci_devclass;
94 DRIVER_MODULE(uss820, atmelarm, uss820dci_driver, uss820dci_devclass, 0, 0);
95 MODULE_DEPEND(uss820, usb, 1, 1, 1);
97 static const char *const uss820_desc = "USS820 USB Device Controller";
100 uss820_atmelarm_suspend(device_t dev)
102 struct uss820dci_softc *sc = device_get_softc(dev);
105 err = bus_generic_suspend(dev);
107 uss820dci_suspend(sc);
113 uss820_atmelarm_resume(device_t dev)
115 struct uss820dci_softc *sc = device_get_softc(dev);
118 uss820dci_resume(sc);
120 err = bus_generic_resume(dev);
126 uss820_atmelarm_shutdown(device_t dev)
128 struct uss820dci_softc *sc = device_get_softc(dev);
131 err = bus_generic_shutdown(dev);
135 uss820dci_uninit(sc);
141 uss820_atmelarm_probe(device_t dev)
143 device_set_desc(dev, uss820_desc);
144 return (0); /* success */
148 uss820_atmelarm_attach(device_t dev)
150 struct uss820dci_softc *sc = device_get_softc(dev);
154 /* initialise some bus fields */
155 sc->sc_bus.parent = dev;
156 sc->sc_bus.devices = sc->sc_devices;
157 sc->sc_bus.devices_max = USS820_MAX_DEVICES;
159 /* get all DMA memory */
160 if (usb_bus_mem_alloc_all(&sc->sc_bus,
161 USB_GET_DMA_TAG(dev), NULL)) {
166 bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
168 if (!sc->sc_io_res) {
171 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
172 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
173 sc->sc_io_size = rman_get_size(sc->sc_io_res);
176 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
177 RF_SHAREABLE | RF_ACTIVE);
178 if (sc->sc_irq_res == NULL) {
181 sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
182 if (!(sc->sc_bus.bdev)) {
185 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
187 #if (__FreeBSD_version >= 700031)
188 err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
189 NULL, (driver_intr_t *)uss820dci_interrupt, sc, &sc->sc_intr_hdl);
191 err = bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
192 (driver_intr_t *)uss820dci_interrupt, sc, &sc->sc_intr_hdl);
195 sc->sc_intr_hdl = NULL;
198 err = uss820dci_init(sc);
200 device_printf(dev, "Init failed\n");
203 err = device_probe_and_attach(sc->sc_bus.bdev);
205 device_printf(dev, "USB probe and attach failed\n");
211 uss820_atmelarm_detach(dev);
216 uss820_atmelarm_detach(device_t dev)
218 struct uss820dci_softc *sc = device_get_softc(dev);
222 if (sc->sc_bus.bdev) {
223 bdev = sc->sc_bus.bdev;
225 device_delete_child(dev, bdev);
227 /* during module unload there are lots of children leftover */
228 device_delete_all_children(dev);
230 if (sc->sc_irq_res && sc->sc_intr_hdl) {
232 * only call at91_udp_uninit() after at91_udp_init()
234 uss820dci_uninit(sc);
236 err = bus_teardown_intr(dev, sc->sc_irq_res,
238 sc->sc_intr_hdl = NULL;
240 if (sc->sc_irq_res) {
241 bus_release_resource(dev, SYS_RES_IRQ, 0,
243 sc->sc_irq_res = NULL;
246 bus_release_resource(dev, SYS_RES_IOPORT, 0,
248 sc->sc_io_res = NULL;
250 usb_bus_mem_free_all(&sc->sc_bus, NULL);