/* $NetBSD: com_arbus.c,v 1.12 2014/02/23 20:56:29 martin Exp $ */ /*- * Copyright (c) 2006 Urbana-Champaign Independent Media Center. * Copyright (c) 2006 Garrett D'Amore. * All rights reserved. * * Portions of this code were written by Garrett D'Amore for the * Champaign-Urbana Community Wireless Network Project. * * 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. * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgements: * This product includes software developed by the Urbana-Champaign * Independent Media Center. * This product includes software developed by Garrett D'Amore. * 4. Urbana-Champaign Independent Media Center's name and Garrett * D'Amore's name may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT * MEDIA CENTER AND GARRETT D'AMORE ``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 URBANA-CHAMPAIGN INDEPENDENT * MEDIA CENTER OR GARRETT D'AMORE 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. */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /*- * Copyright (c) 1991 The Regents of the University of California. * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)com.c 7.5 (Berkeley) 5/16/91 */ #include __KERNEL_RCSID(0, "$NetBSD: com_arbus.c,v 1.12 2014/02/23 20:56:29 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include "opt_com.h" struct com_arbus_softc { struct com_softc sc_com; }; static void com_arbus_initmap(struct com_regs *); //static bus_space_tag_t com_arbus_get_bus_space_tag(void); static int com_arbus_match(device_t, cfdata_t , void *); static void com_arbus_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(com_arbus, sizeof(struct com_arbus_softc), com_arbus_match, com_arbus_attach, NULL, NULL); #if 0 #ifdef TTYDEF_SPEED #define COM_ARBUS_BAUD TTYDEF_SPEED #else #define COM_ARBUS_BAUD 115200 #endif #endif #ifndef COM_ARBUS_BAUD #define COM_ARBUS_BAUD 115200 #endif int com_arbus_baud = COM_ARBUS_BAUD; #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ #ifndef COM_REGMAP #error COM_REGMAP not defined! #endif int com_arbus_match(device_t parent, cfdata_t cf, void *aux) { struct arbus_attach_args *aa = aux; struct com_regs regs; int rv; if (strcmp(aa->aa_name, cf->cf_name) != 0) return 0; if (com_is_console(aa->aa_bst, aa->aa_addr, ®s.cr_ioh)) return 1; if (bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size, 0, ®s.cr_ioh)) return 0; regs.cr_iot = aa->aa_bst; regs.cr_iobase = aa->aa_addr; regs.cr_nports = aa->aa_size; com_arbus_initmap(®s); rv = com_probe_subr(®s); bus_space_unmap(aa->aa_bst, regs.cr_ioh, aa->aa_size); return rv; } void com_arbus_attach(device_t parent, device_t self, void *aux) { struct com_arbus_softc *arsc = device_private(self); struct com_softc *sc = &arsc->sc_com; struct arbus_attach_args *aa = aux; prop_number_t prop; bus_space_handle_t ioh; sc->sc_dev = self; prop = prop_dictionary_get(device_properties(sc->sc_dev), "frequency"); if (prop == NULL) { aprint_error(": unable to get frequency property\n"); return; } KASSERT(prop_object_type(prop) == PROP_TYPE_NUMBER); sc->sc_frequency = (int)prop_number_integer_value(prop); if (!com_is_console(aa->aa_bst, aa->aa_addr, &ioh) && bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size, 0, &ioh) != 0) { aprint_error(": can't map registers\n"); return; } COM_INIT_REGS(sc->sc_regs, aa->aa_bst, ioh, aa->aa_addr); sc->sc_regs.cr_nports = aa->aa_size; com_arbus_initmap(&sc->sc_regs); com_attach_subr(sc); arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, comintr, sc); } void com_arbus_initmap(struct com_regs *regsp) { #if _BYTE_ORDER == _BIG_ENDIAN int off = 3; #else int off = 0; #endif /* rewrite the map to shift for alignment */ for (size_t i = 0; i < __arraycount(regsp->cr_map); i++) { regsp->cr_map[i] = (com_std_map[i] * 4) + off; } } void com_arbus_cnattach(bus_addr_t addr, uint32_t freq) { struct com_regs regs; regs.cr_iot = arbus_get_bus_space_tag(); regs.cr_iobase = addr; regs.cr_nports = 0x1000; com_arbus_initmap(®s); if (bus_space_map(regs.cr_iot, regs.cr_iobase, regs.cr_nports, 0, ®s.cr_ioh)) return; comcnattach1(®s, com_arbus_baud, freq, COM_TYPE_NORMAL, CONMODE); }