1 /* $NetBSD: wsmuxvar.h,v 1.15 2013/11/23 20:56:41 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Lennart Augustsson <augustss@carlstedt.se> 8 * Carlstedt Research & Technology 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * A ws event source, i.e., wskbd, wsmouse, or wsmux. 34 */ 35 struct wsevsrc { 36 device_t me_dv; 37 const struct wssrcops *me_ops; /* method pointers */ 38 struct wseventvar me_evar; /* wseventvar opened directly */ 39 struct wseventvar *me_evp; /* our wseventvar when open */ 40 #if NWSDISPLAY > 0 41 device_t me_dispdv; /* our display if part of one */ 42 #endif 43 #if NWSMUX > 0 44 struct wsmux_softc *me_parent; /* parent mux device */ 45 TAILQ_ENTRY(wsevsrc) me_next; /* sibling pointers */ 46 #endif 47 }; 48 49 /* 50 * Methods that can be performed on an events source. Usually called 51 * from a wsmux. 52 */ 53 struct wssrcops { 54 int type; /* device type: WSMUX_{MOUSE,KBD,MUX} */ 55 int (*dopen)(struct wsevsrc *, struct wseventvar *); 56 int (*dclose)(struct wsevsrc *); 57 int (*dioctl)(device_t, u_long, void *, int, struct lwp *); 58 int (*ddispioctl)(device_t, u_long, void *, int, struct lwp *); 59 int (*dsetdisplay)(device_t, struct wsevsrc *); 60 }; 61 62 #define wsevsrc_open(me, evp) \ 63 ((me)->me_ops->dopen((me), evp)) 64 #define wsevsrc_close(me) \ 65 ((me)->me_ops->dclose((me))) 66 #define wsevsrc_ioctl(me, cmd, data, flag, l) \ 67 ((me)->me_ops->dioctl((me)->me_dv, cmd, (void *)data, flag, l)) 68 #define wsevsrc_display_ioctl(me, cmd, data, flag, l) \ 69 ((me)->me_ops->ddispioctl((me)->me_dv, cmd, (void *)data, flag, l)) 70 #define wsevsrc_set_display(me, arg) \ 71 ((me)->me_ops->dsetdisplay((me)->me_dv, arg)) 72 73 #if NWSMUX > 0 74 struct wsmux_softc { 75 struct wsevsrc sc_base; 76 struct proc *sc_p; /* open proc */ 77 TAILQ_HEAD(, wsevsrc) sc_cld; /* list of children */ 78 u_int32_t sc_kbd_layout; /* current layout of keyboard */ 79 #ifdef WSDISPLAY_COMPAT_RAWKBD 80 int sc_rawkbd; /* A hack to remember the kbd mode */ 81 #endif 82 }; 83 84 struct wsmux_softc *wsmux_getmux(int); 85 struct wsmux_softc *wsmux_create(const char *, int); 86 int wsmux_attach_sc(struct wsmux_softc *, struct wsevsrc *); 87 void wsmux_detach_sc(struct wsevsrc *); 88 int wsmux_set_display(struct wsmux_softc *, device_t); 89 90 int wskbd_add_mux(int, struct wsmux_softc *); 91 int wsmouse_add_mux(int, struct wsmux_softc *); 92 93 #endif /* NWSMUX > 0 */ 94