1 /* $NetBSD: ms_ap.c,v 1.14 2021/08/07 16:19:01 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Tsubai Masanari. 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 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: ms_ap.c,v 1.14 2021/08/07 16:19:01 thorpej Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/device.h> 34 #include <sys/systm.h> 35 36 #include <dev/wscons/wsconsio.h> 37 #include <dev/wscons/wsmousevar.h> 38 39 #include <machine/adrsmap.h> 40 #include <newsmips/apbus/apbusvar.h> 41 42 struct msreg { 43 volatile uint32_t ms_data; 44 volatile uint32_t ms_stat; 45 volatile uint32_t ms_intr_en; 46 volatile uint32_t ms_reset; 47 volatile uint32_t ms_speed; 48 }; 49 50 struct ms_ap_softc { 51 device_t sc_dev; 52 struct msreg *sc_reg; 53 device_t sc_wsmousedev; 54 int sc_ndata; 55 uint8_t sc_buf[3]; 56 }; 57 58 int ms_ap_match(device_t, cfdata_t, void *); 59 void ms_ap_attach(device_t, device_t, void *); 60 int ms_ap_intr(void *); 61 62 int ms_ap_enable(void *); 63 int ms_ap_ioctl(void *, u_long, void *, int, struct lwp *); 64 void ms_ap_disable(void *); 65 66 CFATTACH_DECL_NEW(ms_ap, sizeof(struct ms_ap_softc), 67 ms_ap_match, ms_ap_attach, NULL, NULL); 68 69 struct wsmouse_accessops ms_ap_accessops = { 70 ms_ap_enable, 71 ms_ap_ioctl, 72 ms_ap_disable 73 }; 74 75 int 76 ms_ap_match(device_t parent, cfdata_t cf, void *aux) 77 { 78 struct apbus_attach_args *apa = aux; 79 80 if (strcmp(apa->apa_name, "ms") == 0) 81 return 1; 82 83 return 0; 84 } 85 86 void 87 ms_ap_attach(device_t parent, device_t self, void *aux) 88 { 89 struct ms_ap_softc *sc = device_private(self); 90 struct apbus_attach_args *apa = aux; 91 struct msreg *reg = (void *)apa->apa_hwbase; 92 struct wsmousedev_attach_args aa; 93 94 sc->sc_dev = self; 95 aprint_normal(" slot%d addr 0x%lx\n", apa->apa_slotno, apa->apa_hwbase); 96 97 sc->sc_reg = reg; 98 99 reg->ms_reset = 0x03; 100 reg->ms_speed = 0x01; 101 reg->ms_intr_en = 0; 102 103 apbus_intr_establish(1, NEWS5000_INT1_KBD, 0, ms_ap_intr, sc, 104 device_xname(self), apa->apa_ctlnum); 105 106 aa.accessops = &ms_ap_accessops; 107 aa.accesscookie = sc; 108 sc->sc_wsmousedev = config_found(self, &aa, wsmousedevprint, CFARGS_NONE); 109 } 110 111 int 112 ms_ap_intr(void *v) 113 { 114 struct ms_ap_softc *sc = v; 115 struct msreg *reg = sc->sc_reg; 116 int code, index, byte0, byte1, byte2; 117 int button, dx, dy; 118 int rv = 0; 119 120 reg->ms_intr_en = 0; 121 122 while (reg->ms_stat & RX_MSRDY) { 123 rv = 1; 124 code = reg->ms_data; 125 index = sc->sc_ndata; 126 127 if (sc->sc_wsmousedev == NULL) 128 continue; 129 130 if (code & 0x80) { 131 sc->sc_buf[0] = code; 132 sc->sc_ndata = 1; 133 continue; 134 } 135 136 if (index == 1) { 137 sc->sc_buf[1] = code; 138 sc->sc_ndata++; 139 continue; 140 } 141 142 if (index == 2) { 143 sc->sc_buf[2] = code; 144 sc->sc_ndata++; 145 146 byte0 = sc->sc_buf[0]; 147 byte1 = sc->sc_buf[1]; 148 byte2 = sc->sc_buf[2]; 149 150 button = 0; 151 if (byte0 & 0x01) 152 button |= 1; 153 if (byte0 & 0x04) 154 button |= 2; 155 if (byte0 & 0x02) 156 button |= 4; 157 158 if (byte0 & 0x08) 159 dx = byte1 - 0x80; 160 else 161 dx = byte1; 162 if (byte0 & 0x10) 163 dy = byte2 - 0x80; 164 else 165 dy = byte2; 166 167 wsmouse_input(sc->sc_wsmousedev, 168 button, 169 dx, -dy, 0, 0, 170 WSMOUSE_INPUT_DELTA); 171 } 172 } 173 174 reg->ms_intr_en = 1; 175 return rv; 176 } 177 178 int 179 ms_ap_enable(void *v) 180 { 181 struct ms_ap_softc *sc = v; 182 struct msreg *reg = sc->sc_reg; 183 184 reg->ms_intr_en = 1; 185 return 0; 186 } 187 188 void 189 ms_ap_disable(void *v) 190 { 191 struct ms_ap_softc *sc = v; 192 struct msreg *reg = sc->sc_reg; 193 194 reg->ms_intr_en = 0; 195 } 196 197 int 198 ms_ap_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 199 { 200 201 return EPASSTHROUGH; 202 } 203
Indexes created Sun Oct 25 00:26:45 UTC 2026