1 /* $NetBSD: ms.c,v 1.6 2008/05/14 13:29:28 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Izumi Tsutsui. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 /*- 28 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 29 * 30 * Redistribution and use in source and binary forms, with or without 31 * modification, are permitted provided that the following conditions 32 * are met: 33 * 1. Redistributions of source code must retain the above copyright 34 * notice, this list of conditions and the following disclaimer. 35 * 2. Redistributions in binary form must reproduce the above copyright 36 * notice, this list of conditions and the following disclaimer in the 37 * documentation and/or other materials provided with the distribution. 38 * 3. The name of the author may not be used to endorse or promote products 39 * derived from this software without specific prior written permission. 40 * 41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 44 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 51 */ 52 53 #include <sys/cdefs.h> 54 __KERNEL_RCSID(0, "$NetBSD: ms.c,v 1.6 2008/05/14 13:29:28 tsutsui Exp $"); 55 56 #include <sys/param.h> 57 #include <sys/device.h> 58 #include <sys/systm.h> 59 60 #include <dev/wscons/wsconsio.h> 61 #include <dev/wscons/wsmousevar.h> 62 63 #include <machine/cpu.h> 64 #include <machine/bus.h> 65 66 #include <news68k/dev/msvar.h> 67 68 void 69 ms_intr(struct ms_softc *sc) 70 { 71 bus_space_tag_t bt = sc->sc_bt; 72 bus_space_handle_t bh = sc->sc_bh; 73 bus_size_t offset = sc->sc_offset; 74 int code, index, byte0, byte1, byte2; 75 int button, dx, dy; 76 77 if (sc->sc_wsmousedev == NULL) 78 return; 79 80 code = bus_space_read_1(bt, bh, offset); 81 index = sc->sc_ndata; 82 83 if (code & MS_S_MARK) { 84 sc->sc_buf[MS_S_BYTE] = code; 85 sc->sc_ndata = MS_X_BYTE; 86 return; 87 } 88 89 if (index == MS_X_BYTE) { 90 sc->sc_buf[MS_X_BYTE] = code; 91 sc->sc_ndata = MS_Y_BYTE; 92 return; 93 } 94 95 if (index == MS_Y_BYTE) { 96 sc->sc_buf[MS_Y_BYTE] = code; 97 sc->sc_ndata = 0; 98 99 byte0 = sc->sc_buf[MS_S_BYTE]; 100 byte1 = sc->sc_buf[MS_X_BYTE]; 101 byte2 = sc->sc_buf[MS_Y_BYTE]; 102 103 button = 0; 104 if (byte0 & MS_S_SW1) 105 button |= 0x01; 106 if (byte0 & MS_S_SW3) 107 button |= 0x02; 108 if (byte0 & MS_S_SW2) 109 button |= 0x04; 110 111 dx = byte1 & MS_X_DATA; 112 if (byte0 & MS_S_XSIGN) 113 dx = -dx; 114 dy = byte2 & MS_Y_DATA; 115 if (byte0 & MS_S_YSIGN) 116 dy = -dy; 117 118 wsmouse_input(sc->sc_wsmousedev, 119 button, 120 dx, -dy, 0, 0, 121 WSMOUSE_INPUT_DELTA); 122 } 123 } 124