| 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 | |