ms_hb.c revision 1.6
1 /* $NetBSD: ms_hb.c,v 1.6 2003/07/15 02:59:26 lukem Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Izumi Tsutsui. All rights reserved. 5 * Copyright (c) 2000 Tsubai Masanari. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: ms_hb.c,v 1.6 2003/07/15 02:59:26 lukem Exp $"); 32 33 #include <sys/param.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 37 #include <dev/wscons/wsconsio.h> 38 #include <dev/wscons/wsmousevar.h> 39 40 #include <machine/bus.h> 41 #include <machine/cpu.h> 42 43 #include <news68k/dev/hbvar.h> 44 #include <news68k/dev/ms_hbreg.h> 45 #include <news68k/dev/msvar.h> 46 47 #include <news68k/news68k/isr.h> 48 49 #define MS_SIZE 0x10 /* XXX */ 50 #define MS_IPL 5 51 52 int ms_hb_match(struct device *, struct cfdata *, void *); 53 void ms_hb_attach(struct device *, struct device *, void *); 54 void ms_hb_init(struct ms_softc *); 55 int ms_hb_intr(void *); 56 57 int ms_hb_enable(void *); 58 int ms_hb_ioctl(void *, u_long, caddr_t, int, struct proc *); 59 void ms_hb_disable(void *); 60 61 CFATTACH_DECL(ms_hb, sizeof(struct ms_softc), 62 ms_hb_match, ms_hb_attach, NULL, NULL); 63 64 struct wsmouse_accessops ms_hb_accessops = { 65 ms_hb_enable, 66 ms_hb_ioctl, 67 ms_hb_disable 68 }; 69 70 int 71 ms_hb_match(parent, cf, aux) 72 struct device *parent; 73 struct cfdata *cf; 74 void *aux; 75 { 76 struct hb_attach_args *ha = aux; 77 u_int addr; 78 79 if (strcmp(ha->ha_name, "ms")) 80 return 0; 81 82 /* XXX no default address */ 83 if (ha->ha_address == (u_int)-1) 84 return 0; 85 86 addr = IIOV(ha->ha_address); /* XXX */ 87 88 if (badaddr((void *)addr, 1)) 89 return 0; 90 91 return 1; 92 } 93 94 void 95 ms_hb_attach(parent, self, aux) 96 struct device *parent; 97 struct device *self; 98 void *aux; 99 { 100 struct ms_softc *sc = (void *)self; 101 struct hb_attach_args *ha = aux; 102 bus_space_tag_t bt = ha->ha_bust; 103 bus_space_handle_t bh; 104 struct wsmousedev_attach_args wsa; 105 int ipl; 106 107 if (bus_space_map(bt, ha->ha_address, MS_SIZE, 0, &bh) != 0) { 108 printf("can't map device space\n"); 109 return; 110 } 111 112 printf("\n"); 113 114 sc->sc_bt = bt; 115 sc->sc_bh = bh; 116 sc->sc_offset = MS_REG_DATA; 117 ipl = ha->ha_ipl; 118 if (ipl == -1) 119 ipl = MS_IPL; 120 121 ms_hb_init(sc); 122 123 isrlink_autovec(ms_hb_intr, (void *)sc, ipl, ISRPRI_TTY); 124 125 wsa.accessops = &ms_hb_accessops; 126 wsa.accesscookie = sc; 127 sc->sc_wsmousedev = config_found(self, &wsa, wsmousedevprint); 128 } 129 130 void 131 ms_hb_init(sc) 132 struct ms_softc *sc; 133 { 134 bus_space_tag_t bt = sc->sc_bt; 135 bus_space_handle_t bh = sc->sc_bh; 136 137 bus_space_write_1(bt, bh, MS_REG_RESET, 0); 138 bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); 139 } 140 141 int 142 ms_hb_intr(v) 143 void *v; 144 { 145 struct ms_softc *sc = v; 146 bus_space_tag_t bt = sc->sc_bt; 147 bus_space_handle_t bh = sc->sc_bh; 148 int handled = 0; 149 150 while ((bus_space_read_1(bt, bh, MS_REG_STAT) & MSSTAT_RDY) != 0) { 151 ms_intr(sc); 152 handled = 1; 153 } 154 if (handled) 155 bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); 156 157 return handled; 158 } 159 160 int 161 ms_hb_enable(v) 162 void *v; 163 { 164 struct ms_softc *sc = v; 165 bus_space_tag_t bt = sc->sc_bt; 166 bus_space_handle_t bh = sc->sc_bh; 167 168 bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); 169 170 return 0; 171 } 172 173 void 174 ms_hb_disable(v) 175 void *v; 176 { 177 struct ms_softc *sc = v; 178 bus_space_tag_t bt = sc->sc_bt; 179 bus_space_handle_t bh = sc->sc_bh; 180 181 bus_space_write_1(bt, bh, MS_REG_INTE, 0); 182 } 183 184 int 185 ms_hb_ioctl(v, cmd, data, flag, p) 186 void *v; 187 u_long cmd; 188 caddr_t data; 189 int flag; 190 struct proc *p; 191 { 192 return EPASSTHROUGH; 193 } 194
Indexes created Thu Oct 30 16:09:53 GMT 2025