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sys/arm/freescale/vybrid/vf_i2c_acpi.c
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| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
| * SUCH DAMAGE. | |||||
| */ | |||||
| #include <sys/cdefs.h> | |||||
| __FBSDID("$FreeBSD$"); | |||||
| #include "opt_acpi.h" | |||||
| #include <sys/param.h> | |||||
| #include <sys/systm.h> | |||||
| #include <sys/bus.h> | |||||
| #include <sys/kernel.h> | |||||
| #include <sys/module.h> | |||||
| #include <sys/rman.h> | |||||
| #include <machine/bus.h> | |||||
| #include <machine/resource.h> | |||||
| #include <contrib/dev/acpica/include/acpi.h> | |||||
| #include <contrib/dev/acpica/include/accommon.h> | |||||
| #include <dev/acpica/acpivar.h> | |||||
| #include <dev/iicbus/iicbus.h> | |||||
| /* Required for the softc */ | |||||
| #ifdef EXT_RESOURCES | |||||
| #include <dev/extres/clk/clk.h> | |||||
| #endif | |||||
| #include <arm/freescale/vybrid/vf_i2c.h> | |||||
| static char *vf_i2c_ids[] = { | |||||
| "NXP0001", | |||||
| NULL | |||||
| }; | |||||
| static int | |||||
| i2c_acpi_probe(device_t dev) | |||||
| { | |||||
| int rv; | |||||
| if (acpi_disabled("vf_i2c")) | |||||
| return (ENXIO); | |||||
| rv = ACPI_ID_PROBE(device_get_parent(dev), dev, vf_i2c_ids, NULL); | |||||
| if (rv > 0) | |||||
| return (rv); | |||||
| device_set_desc(dev, VF_I2C_DEVSTR); | |||||
| return (BUS_PROBE_DEFAULT); | |||||
| } | |||||
| static int | |||||
| i2c_acpi_attach(device_t dev) | |||||
| { | |||||
| struct i2c_softc *sc; | |||||
| sc = device_get_softc(dev); | |||||
| sc->dev = dev; | |||||
| sc->hwtype = HW_VF610; | |||||
| sc->freq = 0; | |||||
| return vf_i2c_attach_common(dev); | |||||
| } | |||||
| static device_method_t i2c_acpi_methods[] = { | |||||
| DEVMETHOD(device_probe, i2c_acpi_probe), | |||||
| DEVMETHOD(device_attach, i2c_acpi_attach), | |||||
| DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), | |||||
| DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), | |||||
| DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), | |||||
| DEVMETHOD(bus_release_resource, bus_generic_release_resource), | |||||
| DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), | |||||
| DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), | |||||
| DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), | |||||
| { 0, 0 } | |||||
| }; | |||||
| DEFINE_CLASS_1(i2c, vf_i2c_acpi_driver, i2c_acpi_methods, | |||||
| sizeof(struct i2c_softc), vf_i2c_driver); | |||||
| static devclass_t vf_i2c_acpi_devclass; | |||||
| DRIVER_MODULE(i2c, acpi, vf_i2c_acpi_driver, vf_i2c_acpi_devclass, 0, 0); | |||||
| DRIVER_MODULE(iicbus, i2c, iicbus_driver, iicbus_devclass, 0, 0); | |||||
| DRIVER_MODULE(acpi_iicbus, i2c, acpi_iicbus_driver, iicbus_devclass, 0, 0); | |||||