5 * Copyright (c) 2015-2016 Stanislav Galabov. All rights reserved.
6 * Copyright (c) 2010,2011 Aleksandr Rybalko. All rights reserved.
7 * Copyright (c) 2007-2008 Hans Petter Selasky. All rights reserved.
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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/stdint.h>
32 #include <sys/stddef.h>
33 #include <sys/param.h>
34 #include <sys/queue.h>
35 #include <sys/types.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.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>
51 #include <dev/usb/usb.h>
52 #include <dev/usb/usbdi.h>
54 #include <dev/usb/usb_core.h>
55 #include <dev/usb/usb_busdma.h>
56 #include <dev/usb/usb_process.h>
57 #include <dev/usb/usb_util.h>
59 #include <dev/usb/usb_controller.h>
60 #include <dev/usb/usb_bus.h>
62 #include <dev/usb/controller/dwc_otg.h>
64 #include <dev/ofw/openfirm.h>
65 #include <dev/ofw/ofw_bus.h>
66 #include <dev/ofw/ofw_bus_subr.h>
70 static device_probe_t dotg_fdt_probe;
71 static device_attach_t dotg_fdt_attach;
72 static device_detach_t dotg_fdt_detach;
75 dotg_fdt_probe(device_t dev)
78 if (!ofw_bus_status_okay(dev))
81 if (!ofw_bus_is_compatible(dev, "ralink,rt3050-otg"))
84 device_set_desc(dev, "MTK DWC-OTG USB Controller");
89 dotg_fdt_attach(device_t dev)
91 struct dwc_otg_softc *sc = device_get_softc(dev);
94 /* setup controller interface softc */
96 /* initialise some bus fields */
97 sc->sc_mode = DWC_MODE_HOST;
98 sc->sc_bus.parent = dev;
99 sc->sc_bus.devices = sc->sc_devices;
100 sc->sc_bus.devices_max = DWC_OTG_MAX_DEVICES;
101 sc->sc_bus.dma_bits = 32;
103 /* get all DMA memory */
104 if (usb_bus_mem_alloc_all(&sc->sc_bus,
105 USB_GET_DMA_TAG(dev), NULL)) {
111 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
112 if (!(sc->sc_io_res)) {
113 printf("Can`t alloc MEM\n");
116 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
117 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
118 sc->sc_io_size = rman_get_size(sc->sc_io_res);
121 sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
123 if (!(sc->sc_irq_res)) {
124 printf("Can`t alloc IRQ\n");
128 sc->sc_bus.bdev = device_add_child(dev, "usbus", -1);
129 if (!(sc->sc_bus.bdev)) {
130 printf("Can`t add usbus\n");
133 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
135 err = bus_setup_intr(dev, sc->sc_irq_res,
136 INTR_TYPE_TTY | INTR_MPSAFE, dwc_otg_filter_interrupt,
137 dwc_otg_interrupt, sc, &sc->sc_intr_hdl);
139 sc->sc_intr_hdl = NULL;
140 printf("Can`t set IRQ handle\n");
144 err = dwc_otg_init(sc);
145 if (err) printf("dotg_init fail\n");
147 err = device_probe_and_attach(sc->sc_bus.bdev);
148 if (err) printf("device_probe_and_attach fail %d\n", err);
156 dotg_fdt_detach(dev);
161 dotg_fdt_detach(device_t dev)
163 struct dwc_otg_softc *sc = device_get_softc(dev);
166 /* during module unload there are lots of children leftover */
167 device_delete_children(dev);
169 if (sc->sc_irq_res && sc->sc_intr_hdl) {
171 * only call dotg_fdt_uninit() after dotg_fdt_init()
175 err = bus_teardown_intr(dev, sc->sc_irq_res,
177 sc->sc_intr_hdl = NULL;
179 if (sc->sc_irq_res) {
180 bus_release_resource(dev, SYS_RES_IRQ, 0,
182 sc->sc_irq_res = NULL;
185 bus_release_resource(dev, SYS_RES_MEMORY, 0,
187 sc->sc_io_res = NULL;
189 usb_bus_mem_free_all(&sc->sc_bus, NULL);
194 static device_method_t dotg_fdt_methods[] = {
195 /* Device interface */
196 DEVMETHOD(device_probe, dotg_fdt_probe),
197 DEVMETHOD(device_attach, dotg_fdt_attach),
198 DEVMETHOD(device_detach, dotg_fdt_detach),
199 DEVMETHOD(device_suspend, bus_generic_suspend),
200 DEVMETHOD(device_resume, bus_generic_resume),
201 DEVMETHOD(device_shutdown, bus_generic_shutdown),
206 static driver_t dotg_fdt_driver = {
208 .methods = dotg_fdt_methods,
209 .size = sizeof(struct dwc_otg_softc),
212 static devclass_t dotg_fdt_devclass;
214 DRIVER_MODULE(dotg, simplebus, dotg_fdt_driver, dotg_fdt_devclass, 0, 0);