/* $NetBSD: ms_hb.c,v 1.14 2011/11/22 14:31:02 tsutsui Exp $ */ /*- * Copyright (c) 2001 Izumi Tsutsui. 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 ``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 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) 2000 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 __KERNEL_RCSID(0, "$NetBSD: ms_hb.c,v 1.14 2011/11/22 14:31:02 tsutsui Exp $"); #include #include #include #include #include #include #include #include #include #include #include #define MS_SIZE 0x10 /* XXX */ #define MS_IPL 5 static int ms_hb_match(device_t, cfdata_t, void *); static void ms_hb_attach(device_t, device_t, void *); static void ms_hb_init(struct ms_softc *); int ms_hb_intr(void *); static int ms_hb_enable(void *); static int ms_hb_ioctl(void *, u_long, void *, int, struct lwp *); static void ms_hb_disable(void *); CFATTACH_DECL_NEW(ms_hb, sizeof(struct ms_softc), ms_hb_match, ms_hb_attach, NULL, NULL); struct wsmouse_accessops ms_hb_accessops = { ms_hb_enable, ms_hb_ioctl, ms_hb_disable }; static int ms_hb_match(device_t parent, cfdata_t cf, void *aux) { struct hb_attach_args *ha = aux; u_int addr; if (strcmp(ha->ha_name, "ms")) return 0; /* XXX no default address */ if (ha->ha_address == (u_int)-1) return 0; addr = ha->ha_address; /* XXX */ if (badaddr((void *)addr, 1)) return 0; return 1; } static void ms_hb_attach(device_t parent, device_t self, void *aux) { struct ms_softc *sc = device_private(self); struct hb_attach_args *ha = aux; bus_space_tag_t bt = ha->ha_bust; bus_space_handle_t bh; struct wsmousedev_attach_args wsa; int ipl; sc->sc_dev = self; if (bus_space_map(bt, ha->ha_address, MS_SIZE, 0, &bh) != 0) { aprint_error(": can't map device space\n"); return; } aprint_normal("\n"); sc->sc_bt = bt; sc->sc_bh = bh; sc->sc_offset = MS_REG_DATA; ipl = ha->ha_ipl; if (ipl == -1) ipl = MS_IPL; ms_hb_init(sc); isrlink_autovec(ms_hb_intr, (void *)sc, ipl, IPL_TTY); wsa.accessops = &ms_hb_accessops; wsa.accesscookie = sc; sc->sc_wsmousedev = config_found(self, &wsa, wsmousedevprint); } static void ms_hb_init(struct ms_softc *sc) { bus_space_tag_t bt = sc->sc_bt; bus_space_handle_t bh = sc->sc_bh; bus_space_write_1(bt, bh, MS_REG_RESET, 0); bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); } int ms_hb_intr(void *v) { struct ms_softc *sc = v; bus_space_tag_t bt = sc->sc_bt; bus_space_handle_t bh = sc->sc_bh; int handled = 0; while ((bus_space_read_1(bt, bh, MS_REG_STAT) & MSSTAT_RDY) != 0) { ms_intr(sc); handled = 1; } if (handled) bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); return handled; } static int ms_hb_enable(void *v) { struct ms_softc *sc = v; bus_space_tag_t bt = sc->sc_bt; bus_space_handle_t bh = sc->sc_bh; bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); return 0; } static void ms_hb_disable(void *v) { struct ms_softc *sc = v; bus_space_tag_t bt = sc->sc_bt; bus_space_handle_t bh = sc->sc_bh; bus_space_write_1(bt, bh, MS_REG_INTE, 0); } static int ms_hb_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) { return EPASSTHROUGH; }