2 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Lennart Augustsson (augustss@carlstedt.se) at
7 * Carlstedt Research & Technology.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
36 #include <sys/stdint.h>
37 #include <sys/stddef.h>
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/types.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
44 #include <sys/linker_set.h>
45 #include <sys/module.h>
47 #include <sys/mutex.h>
48 #include <sys/condvar.h>
49 #include <sys/sysctl.h>
51 #include <sys/unistd.h>
52 #include <sys/callout.h>
53 #include <sys/malloc.h>
57 #include <machine/resource.h>
59 #include <dev/usb/usb.h>
60 #include <dev/usb/usbdi.h>
62 #include <dev/usb/usb_core.h>
63 #include <dev/usb/usb_busdma.h>
64 #include <dev/usb/usb_process.h>
65 #include <dev/usb/usb_util.h>
67 #include <dev/usb/usb_controller.h>
68 #include <dev/usb/usb_bus.h>
69 #include <dev/usb/controller/ehci.h>
70 #include <dev/usb/controller/ehcireg.h>
71 #include <mips/rmi/pic.h>
73 static int ehci_xls_attach(device_t self);
74 static int ehci_xls_detach(device_t self);
75 static int ehci_xls_shutdown(device_t self);
76 static int ehci_xls_suspend(device_t self);
77 static int ehci_xls_resume(device_t self);
80 ehci_xls_suspend(device_t self)
82 ehci_softc_t *sc = device_get_softc(self);
85 err = bus_generic_suspend(self);
93 ehci_xls_resume(device_t self)
95 ehci_softc_t *sc = device_get_softc(self);
99 bus_generic_resume(self);
105 ehci_xls_shutdown(device_t self)
107 ehci_softc_t *sc = device_get_softc(self);
110 err = bus_generic_shutdown(self);
118 static const char *xlr_usb_dev_desc = "RMI XLR USB 2.0 controller";
119 static const char *xlr_vendor_desc = "RMI Corp";
122 ehci_xls_probe(device_t self)
124 /* TODO see if usb is enabled on the board */
125 device_set_desc(self, xlr_usb_dev_desc);
126 return BUS_PROBE_DEFAULT;
130 ehci_xls_attach(device_t self)
132 ehci_softc_t *sc = device_get_softc(self);
136 sc->sc_bus.parent = self;
137 sc->sc_bus.devices = sc->sc_devices;
138 sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
140 /* get all DMA memory */
141 if (usb_bus_mem_alloc_all(&sc->sc_bus,
142 USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
147 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
149 if (!sc->sc_io_res) {
150 device_printf(self, "Could not map memory\n");
153 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
154 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
155 printf("IO Resource tag %lx, hdl %lx, size %lx\n",
156 (u_long)sc->sc_io_tag, (u_long)sc->sc_io_hdl,
157 (u_long)sc->sc_io_size);
160 sc->sc_irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid,
161 PIC_USB_IRQ, PIC_USB_IRQ, 1, RF_SHAREABLE | RF_ACTIVE);
162 if (sc->sc_irq_res == NULL) {
163 device_printf(self, "Could not allocate irq\n");
167 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
168 if (!sc->sc_bus.bdev) {
169 device_printf(self, "Could not add USB device\n");
172 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
173 device_set_desc(sc->sc_bus.bdev, xlr_usb_dev_desc);
175 sprintf(sc->sc_vendor, xlr_vendor_desc);
177 err = bus_setup_intr(self, sc->sc_irq_res,
178 INTR_TYPE_BIO | INTR_MPSAFE, NULL,
179 (driver_intr_t *) ehci_interrupt, sc, &sc->sc_intr_hdl);
181 device_printf(self, "Could not setup irq, %d\n", err);
182 sc->sc_intr_hdl = NULL;
188 device_printf(self, "USB init failed err=%d\n", err);
192 err = device_probe_and_attach(sc->sc_bus.bdev);
194 device_printf(self, "USB probe and attach failed err=%d\n", err);
201 ehci_xls_detach(self);
206 ehci_xls_detach(device_t self)
208 ehci_softc_t *sc = device_get_softc(self);
212 if (sc->sc_bus.bdev) {
213 bdev = sc->sc_bus.bdev;
215 device_delete_child(self, bdev);
217 /* during module unload there are lots of children leftover */
218 device_delete_all_children(self);
221 * disable interrupts that might have been switched on in ehci_init
224 EWRITE4(sc, EHCI_USBINTR, 0);
227 if (sc->sc_irq_res && sc->sc_intr_hdl) {
230 err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
232 device_printf(self, "Could not tear down irq, %d\n",
237 if (sc->sc_irq_res) {
238 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
239 sc->sc_irq_res = NULL;
242 bus_release_resource(self, SYS_RES_MEMORY, 0,
244 sc->sc_io_res = NULL;
249 usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
254 static device_method_t ehci_methods[] = {
255 /* Device interface */
256 DEVMETHOD(device_probe, ehci_xls_probe),
257 DEVMETHOD(device_attach, ehci_xls_attach),
258 DEVMETHOD(device_detach, ehci_xls_detach),
259 DEVMETHOD(device_suspend, ehci_xls_suspend),
260 DEVMETHOD(device_resume, ehci_xls_resume),
261 DEVMETHOD(device_shutdown, ehci_xls_shutdown),
264 DEVMETHOD(bus_print_child, bus_generic_print_child),
269 static driver_t ehci_driver = {
272 sizeof(struct ehci_softc),
275 static devclass_t ehci_devclass;
277 DRIVER_MODULE(ehci, iodi, ehci_driver, ehci_devclass, 0, 0);
278 MODULE_DEPEND(ehci, usb, 1, 1, 1);