11925f295SRobert Watson /*- 2718cf2ccSPedro F. Giffuni * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3718cf2ccSPedro F. Giffuni * 4f00e79c8SRobert Watson * Copyright (c) 2012-2013, 2016 Robert N. M. Watson 51925f295SRobert Watson * All rights reserved. 61925f295SRobert Watson * 71925f295SRobert Watson * This software was developed by SRI International and the University of 81925f295SRobert Watson * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 91925f295SRobert Watson * ("CTSRD"), as part of the DARPA CRASH research programme. 101925f295SRobert Watson * 111925f295SRobert Watson * Redistribution and use in source and binary forms, with or without 121925f295SRobert Watson * modification, are permitted provided that the following conditions 131925f295SRobert Watson * are met: 141925f295SRobert Watson * 1. Redistributions of source code must retain the above copyright 151925f295SRobert Watson * notice, this list of conditions and the following disclaimer. 161925f295SRobert Watson * 2. Redistributions in binary form must reproduce the above copyright 171925f295SRobert Watson * notice, this list of conditions and the following disclaimer in the 181925f295SRobert Watson * documentation and/or other materials provided with the distribution. 191925f295SRobert Watson * 201925f295SRobert Watson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 211925f295SRobert Watson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221925f295SRobert Watson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231925f295SRobert Watson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 241925f295SRobert Watson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251925f295SRobert Watson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261925f295SRobert Watson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271925f295SRobert Watson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281925f295SRobert Watson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291925f295SRobert Watson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301925f295SRobert Watson * SUCH DAMAGE. 311925f295SRobert Watson */ 321925f295SRobert Watson 331925f295SRobert Watson #include <sys/cdefs.h> 341925f295SRobert Watson __FBSDID("$FreeBSD$"); 351925f295SRobert Watson 361925f295SRobert Watson #include <sys/param.h> 371925f295SRobert Watson #include <sys/bus.h> 381925f295SRobert Watson #include <sys/condvar.h> 391925f295SRobert Watson #include <sys/conf.h> 401925f295SRobert Watson #include <sys/kernel.h> 411925f295SRobert Watson #include <sys/lock.h> 421925f295SRobert Watson #include <sys/malloc.h> 431925f295SRobert Watson #include <sys/module.h> 441925f295SRobert Watson #include <sys/mutex.h> 451925f295SRobert Watson #include <sys/rman.h> 461925f295SRobert Watson #include <sys/stat.h> 471925f295SRobert Watson #include <sys/systm.h> 481925f295SRobert Watson #include <sys/uio.h> 491925f295SRobert Watson 501925f295SRobert Watson #include <machine/bus.h> 511925f295SRobert Watson #include <machine/resource.h> 521925f295SRobert Watson 531925f295SRobert Watson #include <vm/vm.h> 541925f295SRobert Watson 550a349699SRobert Watson #include <dev/fdt/fdt_common.h> 560a349699SRobert Watson #include <dev/ofw/openfirm.h> 570a349699SRobert Watson #include <dev/ofw/ofw_bus.h> 580a349699SRobert Watson #include <dev/ofw/ofw_bus_subr.h> 590a349699SRobert Watson 601925f295SRobert Watson #include <dev/altera/avgen/altera_avgen.h> 611925f295SRobert Watson 621925f295SRobert Watson static int 630a349699SRobert Watson altera_avgen_fdt_probe(device_t dev) 641925f295SRobert Watson { 651925f295SRobert Watson 66add35ed5SIan Lepore if (!ofw_bus_status_okay(dev)) 67add35ed5SIan Lepore return (ENXIO); 68add35ed5SIan Lepore 690a349699SRobert Watson if (ofw_bus_is_compatible(dev, "sri-cambridge,avgen")) { 701925f295SRobert Watson device_set_desc(dev, "Generic Altera Avalon device attachment"); 711925f295SRobert Watson return (BUS_PROBE_DEFAULT); 721925f295SRobert Watson } 730a349699SRobert Watson return (ENXIO); 740a349699SRobert Watson } 751925f295SRobert Watson 761925f295SRobert Watson static int 770a349699SRobert Watson altera_avgen_fdt_attach(device_t dev) 781925f295SRobert Watson { 791925f295SRobert Watson struct altera_avgen_softc *sc; 80f00e79c8SRobert Watson char *str_fileio, *str_geomio, *str_mmapio; 810a349699SRobert Watson char *str_devname; 820a349699SRobert Watson phandle_t node; 830a349699SRobert Watson pcell_t cell; 841925f295SRobert Watson int devunit, error; 851925f295SRobert Watson 861925f295SRobert Watson sc = device_get_softc(dev); 871925f295SRobert Watson sc->avg_dev = dev; 881925f295SRobert Watson sc->avg_unit = device_get_unit(dev); 891925f295SRobert Watson 901925f295SRobert Watson /* 910a349699SRobert Watson * Query driver-specific OpenFirmware properties to determine how to 920a349699SRobert Watson * expose the device via /dev. 931925f295SRobert Watson */ 941925f295SRobert Watson str_fileio = NULL; 95f00e79c8SRobert Watson str_geomio = NULL; 961925f295SRobert Watson str_mmapio = NULL; 971925f295SRobert Watson str_devname = NULL; 981925f295SRobert Watson devunit = -1; 991925f295SRobert Watson sc->avg_width = 1; 1000a349699SRobert Watson node = ofw_bus_get_node(dev); 1010a349699SRobert Watson if (OF_getprop(node, "sri-cambridge,width", &cell, sizeof(cell)) > 0) 1020a349699SRobert Watson sc->avg_width = cell; 103*217d17bcSOleksandr Tymoshenko (void)OF_getprop_alloc(node, "sri-cambridge,fileio", 1040a349699SRobert Watson (void **)&str_fileio); 105*217d17bcSOleksandr Tymoshenko (void)OF_getprop_alloc(node, "sri-cambridge,geomio", 106f00e79c8SRobert Watson (void **)&str_geomio); 107*217d17bcSOleksandr Tymoshenko (void)OF_getprop_alloc(node, "sri-cambridge,mmapio", 1080a349699SRobert Watson (void **)&str_mmapio); 109*217d17bcSOleksandr Tymoshenko (void)OF_getprop_alloc(node, "sri-cambridge,devname", 1100a349699SRobert Watson (void **)&str_devname); 1110a349699SRobert Watson if (OF_getprop(node, "sri-cambridge,devunit", &cell, sizeof(cell)) > 0) 1120a349699SRobert Watson devunit = cell; 1131925f295SRobert Watson 1141925f295SRobert Watson /* Memory allocation and checking. */ 1151925f295SRobert Watson sc->avg_rid = 0; 1161925f295SRobert Watson sc->avg_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 1171925f295SRobert Watson &sc->avg_rid, RF_ACTIVE); 1181925f295SRobert Watson if (sc->avg_res == NULL) { 1191925f295SRobert Watson device_printf(dev, "couldn't map memory\n"); 1201925f295SRobert Watson return (ENXIO); 1211925f295SRobert Watson } 122f00e79c8SRobert Watson error = altera_avgen_attach(sc, str_fileio, str_geomio, str_mmapio, 123f00e79c8SRobert Watson str_devname, devunit); 1241925f295SRobert Watson if (error != 0) 1251925f295SRobert Watson bus_release_resource(dev, SYS_RES_MEMORY, sc->avg_rid, 1261925f295SRobert Watson sc->avg_res); 1270a349699SRobert Watson if (str_fileio != NULL) 12827b917c8SOleksandr Tymoshenko OF_prop_free(str_fileio); 129f00e79c8SRobert Watson if (str_geomio != NULL) 130f00e79c8SRobert Watson OF_prop_free(str_geomio); 1310a349699SRobert Watson if (str_mmapio != NULL) 13227b917c8SOleksandr Tymoshenko OF_prop_free(str_mmapio); 1330a349699SRobert Watson if (str_devname != NULL) 13427b917c8SOleksandr Tymoshenko OF_prop_free(str_devname); 1351925f295SRobert Watson return (error); 1361925f295SRobert Watson } 1371925f295SRobert Watson 1381925f295SRobert Watson static int 1390a349699SRobert Watson altera_avgen_fdt_detach(device_t dev) 1401925f295SRobert Watson { 1411925f295SRobert Watson struct altera_avgen_softc *sc; 1421925f295SRobert Watson 1431925f295SRobert Watson sc = device_get_softc(dev); 1441925f295SRobert Watson altera_avgen_detach(sc); 1451925f295SRobert Watson bus_release_resource(dev, SYS_RES_MEMORY, sc->avg_rid, sc->avg_res); 1461925f295SRobert Watson return (0); 1471925f295SRobert Watson } 1481925f295SRobert Watson 1490a349699SRobert Watson static device_method_t altera_avgen_fdt_methods[] = { 1500a349699SRobert Watson DEVMETHOD(device_probe, altera_avgen_fdt_probe), 1510a349699SRobert Watson DEVMETHOD(device_attach, altera_avgen_fdt_attach), 1520a349699SRobert Watson DEVMETHOD(device_detach, altera_avgen_fdt_detach), 1531925f295SRobert Watson { 0, 0 } 1541925f295SRobert Watson }; 1551925f295SRobert Watson 1560a349699SRobert Watson static driver_t altera_avgen_fdt_driver = { 1571925f295SRobert Watson "altera_avgen", 1580a349699SRobert Watson altera_avgen_fdt_methods, 1591925f295SRobert Watson sizeof(struct altera_avgen_softc), 1601925f295SRobert Watson }; 1611925f295SRobert Watson 1620a349699SRobert Watson DRIVER_MODULE(avgen, simplebus, altera_avgen_fdt_driver, 1630a349699SRobert Watson altera_avgen_devclass, 0, 0); 164