ms_hb.c revision 1.1.10.3
1 /* $NetBSD: ms_hb.c,v 1.1.10.3 2003/01/15 18:22:28 thorpej 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/param.h> 31 #include <sys/device.h> 32 #include <sys/systm.h> 33 34 #include <dev/wscons/wsconsio.h> 35 #include <dev/wscons/wsmousevar.h> 36 37 #include <machine/bus.h> 38 #include <machine/cpu.h> 39 40 #include <news68k/dev/hbvar.h> 41 #include <news68k/dev/ms_hbreg.h> 42 #include <news68k/dev/msvar.h> 43 44 #include <news68k/news68k/isr.h> 45 46 #define MS_SIZE 0x10 /* XXX */ 47 #define MS_IPL 5 48 49 int ms_hb_match(struct device *, struct cfdata *, void *); 50 void ms_hb_attach(struct device *, struct device *, void *); 51 void ms_hb_init(struct ms_softc *); 52 int ms_hb_intr(void *); 53 54 int ms_hb_enable(void *); 55 int ms_hb_ioctl(void *, u_long, caddr_t, int, struct proc *); 56 void ms_hb_disable(void *); 57 58 CFATTACH_DECL(ms_hb, sizeof(struct ms_softc), 59 ms_hb_match, ms_hb_attach, NULL, NULL); 60 61 struct wsmouse_accessops ms_hb_accessops = { 62 ms_hb_enable, 63 ms_hb_ioctl, 64 ms_hb_disable 65 }; 66 67 int 68 ms_hb_match(parent, cf, aux) 69 struct device *parent; 70 struct cfdata *cf; 71 void *aux; 72 { 73 struct hb_attach_args *ha = aux; 74 u_int addr; 75 76 if (strcmp(ha->ha_name, "ms")) 77 return 0; 78 79 /* XXX no default address */ 80 if (ha->ha_address == (u_int)-1) 81 return 0; 82 83 addr = IIOV(ha->ha_address); /* XXX */ 84 85 if (badaddr((void *)addr, 1)) 86 return 0; 87 88 return 1; 89 } 90 91 void 92 ms_hb_attach(parent, self, aux) 93 struct device *parent; 94 struct device *self; 95 void *aux; 96 { 97 struct ms_softc *sc = (void *)self; 98 struct hb_attach_args *ha = aux; 99 bus_space_tag_t bt = ha->ha_bust; 100 bus_space_handle_t bh; 101 struct wsmousedev_attach_args wsa; 102 int ipl; 103 104 if (bus_space_map(bt, ha->ha_address, MS_SIZE, 0, &bh) != 0) { 105 printf("can't map device space\n"); 106 return; 107 } 108 109 printf("\n"); 110 111 sc->sc_bt = bt; 112 sc->sc_bh = bh; 113 sc->sc_offset = MS_REG_DATA; 114 ipl = ha->ha_ipl; 115 if (ipl == -1) 116 ipl = MS_IPL; 117 118 ms_hb_init(sc); 119 120 isrlink_autovec(ms_hb_intr, (void *)sc, ipl, ISRPRI_TTY); 121 122 wsa.accessops = &ms_hb_accessops; 123 wsa.accesscookie = sc; 124 sc->sc_wsmousedev = config_found(self, &wsa, wsmousedevprint); 125 } 126 127 void 128 ms_hb_init(sc) 129 struct ms_softc *sc; 130 { 131 bus_space_tag_t bt = sc->sc_bt; 132 bus_space_handle_t bh = sc->sc_bh; 133 134 bus_space_write_1(bt, bh, MS_REG_RESET, 0); 135 bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); 136 } 137 138 int 139 ms_hb_intr(v) 140 void *v; 141 { 142 struct ms_softc *sc = v; 143 bus_space_tag_t bt = sc->sc_bt; 144 bus_space_handle_t bh = sc->sc_bh; 145 int handled = 0; 146 147 while ((bus_space_read_1(bt, bh, MS_REG_STAT) & MSSTAT_RDY) != 0) { 148 ms_intr(sc); 149 handled = 1; 150 } 151 if (handled) 152 bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); 153 154 return handled; 155 } 156 157 int 158 ms_hb_enable(v) 159 void *v; 160 { 161 struct ms_softc *sc = v; 162 bus_space_tag_t bt = sc->sc_bt; 163 bus_space_handle_t bh = sc->sc_bh; 164 165 bus_space_write_1(bt, bh, MS_REG_INTE, MS_INTE); 166 167 return 0; 168 } 169 170 void 171 ms_hb_disable(v) 172 void *v; 173 { 174 struct ms_softc *sc = v; 175 bus_space_tag_t bt = sc->sc_bt; 176 bus_space_handle_t bh = sc->sc_bh; 177 178 bus_space_write_1(bt, bh, MS_REG_INTE, 0); 179 } 180 181 int 182 ms_hb_ioctl(v, cmd, data, flag, p) 183 void *v; 184 u_long cmd; 185 caddr_t data; 186 int flag; 187 struct proc *p; 188 { 189 return EPASSTHROUGH; 190 } 191
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