2 * Copyright (c) 2009 Yohanes Nugroho <yohanes@gmail.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
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>
37 #include <sys/module.h>
39 #include <sys/mutex.h>
40 #include <sys/condvar.h>
41 #include <sys/sysctl.h>
43 #include <sys/unistd.h>
44 #include <sys/callout.h>
45 #include <sys/malloc.h>
48 #include <dev/usb/usb.h>
49 #include <dev/usb/usbdi.h>
51 #include <dev/usb/usb_core.h>
52 #include <dev/usb/usb_busdma.h>
53 #include <dev/usb/usb_process.h>
54 #include <dev/usb/usb_util.h>
56 #include <dev/usb/usb_controller.h>
57 #include <dev/usb/usb_bus.h>
58 #include <dev/usb/controller/ohci.h>
59 #include <dev/usb/controller/ohcireg.h>
63 #include <arm/econa/econa_reg.h>
67 static device_probe_t ohci_ec_probe;
68 static device_attach_t ohci_ec_attach;
69 static device_detach_t ohci_ec_detach;
71 struct ec_ohci_softc {
72 struct ohci_softc sc_ohci; /* must be first */
76 ohci_ec_probe(device_t dev)
78 device_set_desc(dev, "Econa integrated OHCI controller");
79 return (BUS_PROBE_DEFAULT);
83 ohci_ec_attach(device_t dev)
85 struct ec_ohci_softc *sc = device_get_softc(dev);
86 bus_space_handle_t bsh;
90 /* initialise some bus fields */
91 sc->sc_ohci.sc_bus.parent = dev;
92 sc->sc_ohci.sc_bus.devices = sc->sc_ohci.sc_devices;
93 sc->sc_ohci.sc_bus.devices_max = OHCI_MAX_DEVICES;
95 /* get all DMA memory */
96 if (usb_bus_mem_alloc_all(&sc->sc_ohci.sc_bus,
97 USB_GET_DMA_TAG(dev), &ohci_iterate_hw_softc)) {
100 sc->sc_ohci.sc_dev = dev;
104 sc->sc_ohci.sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
107 if (!(sc->sc_ohci.sc_io_res)) {
111 sc->sc_ohci.sc_io_tag = rman_get_bustag(sc->sc_ohci.sc_io_res);
112 bsh = rman_get_bushandle(sc->sc_ohci.sc_io_res);
113 /* Undocumented magic initialization */
114 bus_space_write_4((sc)->sc_ohci.sc_io_tag, bsh,0x04, 0x146);
116 bus_space_write_4((sc)->sc_ohci.sc_io_tag, bsh,0x44, 0x0200);
120 sc->sc_ohci.sc_io_size = rman_get_size(sc->sc_ohci.sc_io_res);
122 if (bus_space_subregion(sc->sc_ohci.sc_io_tag, bsh, 0x4000000,
123 sc->sc_ohci.sc_io_size, &sc->sc_ohci.sc_io_hdl) != 0)
124 panic("%s: unable to subregion USB host registers",
125 device_get_name(dev));
128 sc->sc_ohci.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
130 if (!(sc->sc_ohci.sc_irq_res)) {
133 sc->sc_ohci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
134 if (!(sc->sc_ohci.sc_bus.bdev)) {
137 device_set_ivars(sc->sc_ohci.sc_bus.bdev, &sc->sc_ohci.sc_bus);
139 strlcpy(sc->sc_ohci.sc_vendor, "Cavium",
140 sizeof(sc->sc_ohci.sc_vendor));
142 #if (__FreeBSD_version >= 700031)
143 err = bus_setup_intr(dev, sc->sc_ohci.sc_irq_res,
144 INTR_TYPE_BIO | INTR_MPSAFE, NULL,
145 (driver_intr_t *)ohci_interrupt, sc,
146 &sc->sc_ohci.sc_intr_hdl);
148 err = bus_setup_intr(dev, sc->sc_ohci.sc_irq_res,
149 INTR_TYPE_BIO | INTR_MPSAFE,
150 (driver_intr_t *)ohci_interrupt, sc,
151 &sc->sc_ohci.sc_intr_hdl);
154 sc->sc_ohci.sc_intr_hdl = NULL;
158 bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl,
161 err = ohci_init(&sc->sc_ohci);
163 err = device_probe_and_attach(sc->sc_ohci.sc_bus.bdev);
176 ohci_ec_detach(device_t dev)
178 struct ec_ohci_softc *sc = device_get_softc(dev);
182 if (sc->sc_ohci.sc_bus.bdev) {
183 bdev = sc->sc_ohci.sc_bus.bdev;
185 device_delete_child(dev, bdev);
187 /* during module unload there are lots of children leftover */
188 device_delete_children(dev);
190 bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl,
193 if (sc->sc_ohci.sc_irq_res && sc->sc_ohci.sc_intr_hdl) {
195 * only call ohci_detach() after ohci_init()
197 ohci_detach(&sc->sc_ohci);
199 err = bus_teardown_intr(dev, sc->sc_ohci.sc_irq_res,
200 sc->sc_ohci.sc_intr_hdl);
201 sc->sc_ohci.sc_intr_hdl = NULL;
203 if (sc->sc_ohci.sc_irq_res) {
204 bus_release_resource(dev, SYS_RES_IRQ, 0,
205 sc->sc_ohci.sc_irq_res);
206 sc->sc_ohci.sc_irq_res = NULL;
208 if (sc->sc_ohci.sc_io_res) {
209 bus_release_resource(dev, SYS_RES_MEMORY, MEM_RID,
210 sc->sc_ohci.sc_io_res);
211 sc->sc_ohci.sc_io_res = NULL;
213 usb_bus_mem_free_all(&sc->sc_ohci.sc_bus, &ohci_iterate_hw_softc);
218 static device_method_t ohci_methods[] = {
219 /* Device interface */
220 DEVMETHOD(device_probe, ohci_ec_probe),
221 DEVMETHOD(device_attach, ohci_ec_attach),
222 DEVMETHOD(device_detach, ohci_ec_detach),
223 DEVMETHOD(device_resume, bus_generic_resume),
224 DEVMETHOD(device_suspend, bus_generic_suspend),
225 DEVMETHOD(device_shutdown, bus_generic_shutdown),
230 static driver_t ohci_driver = {
232 .methods = ohci_methods,
233 .size = sizeof(struct ec_ohci_softc),
236 static devclass_t ohci_devclass;
238 DRIVER_MODULE(ohci, econaarm, ohci_driver, ohci_devclass, 0, 0);
239 MODULE_DEPEND(ohci, usb, 1, 1, 1);