78d6847e56
- Add bcm2835_mbox_property for generic property request, it accepts
pointer to prepared property chan message and its size, forwards
it to MBOX and copies result back
- Make all bcm2835_mbox_XXX functions that use property channel go
through bcm2835_mbox_property path. Do not accept device_t as
an argument, it's not required: all DMA operatiosn should go
through mbox device, and all API consumers should report errors
on their side.
99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
/*
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* Copyright 2015 Andrew Turner.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/callout.h>
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#include <sys/condvar.h>
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#include <sys/module.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/controller/dwc_otg.h>
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#include <dev/usb/controller/dwc_otg_fdt.h>
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#include <arm/broadcom/bcm2835/bcm2835_mbox_prop.h>
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static device_probe_t bcm283x_dwc_otg_probe;
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static device_attach_t bcm283x_dwc_otg_attach;
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static int
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bcm283x_dwc_otg_probe(device_t dev)
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{
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (!ofw_bus_is_compatible(dev, "broadcom,bcm2835-usb"))
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return (ENXIO);
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device_set_desc(dev, "DWC OTG 2.0 integrated USB controller (bcm283x)");
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return (BUS_PROBE_VENDOR);
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}
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static int
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bcm283x_dwc_otg_attach(device_t dev)
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{
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int err;
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err = bcm2835_mbox_set_power_state(BCM2835_MBOX_POWER_ID_USB_HCD, TRUE);
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if (err)
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device_printf(dev, "failed to set power state, err=%d\n", err);
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return (dwc_otg_attach(dev));
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}
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static device_method_t bcm283x_dwc_otg_methods[] = {
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/* bus interface */
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DEVMETHOD(device_probe, bcm283x_dwc_otg_probe),
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DEVMETHOD(device_attach, bcm283x_dwc_otg_attach),
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DEVMETHOD_END
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};
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static devclass_t bcm283x_dwc_otg_devclass;
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DEFINE_CLASS_1(bcm283x_dwcotg, bcm283x_dwc_otg_driver, bcm283x_dwc_otg_methods,
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sizeof(struct dwc_otg_fdt_softc), dwc_otg_driver);
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DRIVER_MODULE(bcm283x_dwcotg, simplebus, bcm283x_dwc_otg_driver,
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bcm283x_dwc_otg_devclass, 0, 0);
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MODULE_DEPEND(bcm283x_dwcotg, usb, 1, 1, 1);
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