mse_cbus.c revision 140040
1271294Sngie/*- 2271294Sngie * Copyright (c) 2004 M. Warner Losh 3271294Sngie * All rights reserved. 4271294Sngie * 5271294Sngie * Redistribution and use in source and binary forms, with or without 6271294Sngie * modification, are permitted provided that the following conditions 7271294Sngie * are met: 8271294Sngie * 1. Redistributions of source code must retain the above copyright 9271294Sngie * notice, this list of conditions and the following disclaimer. 10271294Sngie * 2. Redistributions in binary form must reproduce the above copyright 11271294Sngie * notice, this list of conditions and the following disclaimer in the 12271294Sngie * documentation and/or other materials provided with the distribution. 13271294Sngie * 14271294Sngie * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15271294Sngie * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16271294Sngie * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17271294Sngie * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18271294Sngie * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19271294Sngie * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20271294Sngie * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21271294Sngie * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22271294Sngie * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23271294Sngie * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24271294Sngie * SUCH DAMAGE. 25271294Sngie * 26271294Sngie * $FreeBSD: head/sys/dev/mse/mse_cbus.c 140040 2005-01-11 06:24:40Z imp $ 27271294Sngie */ 28271294Sngie 29271294Sngie/*- 30271294Sngie * Copyright 1992 by the University of Guelph 31271294Sngie * 32271294Sngie * Permission to use, copy and modify this 33 * software and its documentation for any purpose and without 34 * fee is hereby granted, provided that the above copyright 35 * notice appear in all copies and that both that copyright 36 * notice and this permission notice appear in supporting 37 * documentation. 38 * University of Guelph makes no representations about the suitability of 39 * this software for any purpose. It is provided "as is" 40 * without express or implied warranty. 41 */ 42/* 43 * Driver for the Logitech and ATI Inport Bus mice for use with 386bsd and 44 * the X386 port, courtesy of 45 * Rick Macklem, rick@snowhite.cis.uoguelph.ca 46 * Caveats: The driver currently uses spltty(), but doesn't use any 47 * generic tty code. It could use splmse() (that only masks off the 48 * bus mouse interrupt, but that would require hacking in i386/isa/icu.s. 49 * (This may be worth the effort, since the Logitech generates 30/60 50 * interrupts/sec continuously while it is open.) 51 * NB: The ATI has NOT been tested yet! 52 */ 53 54/* 55 * Modification history: 56 * Sep 6, 1994 -- Lars Fredriksen(fredriks@mcs.com) 57 * improved probe based on input from Logitech. 58 * 59 * Oct 19, 1992 -- E. Stark (stark@cs.sunysb.edu) 60 * fixes to make it work with Microsoft InPort busmouse 61 * 62 * Jan, 1993 -- E. Stark (stark@cs.sunysb.edu) 63 * added patches for new "select" interface 64 * 65 * May 4, 1993 -- E. Stark (stark@cs.sunysb.edu) 66 * changed position of some spl()'s in mseread 67 * 68 * October 8, 1993 -- E. Stark (stark@cs.sunysb.edu) 69 * limit maximum negative x/y value to -127 to work around XFree problem 70 * that causes spurious button pushes. 71 */ 72 73#include <sys/param.h> 74#include <sys/systm.h> 75#include <sys/conf.h> 76#include <sys/kernel.h> 77#include <sys/module.h> 78#include <sys/bus.h> 79#include <sys/poll.h> 80#include <sys/selinfo.h> 81#include <sys/uio.h> 82#include <sys/mouse.h> 83 84#include <machine/bus.h> 85#include <machine/clock.h> 86#include <machine/resource.h> 87#include <sys/rman.h> 88 89#include <isa/isavar.h> 90 91#include <dev/mse/msevar.h> 92 93static int mse_probe(device_t dev); 94static int mse_attach(device_t dev); 95static int mse_detach(device_t dev); 96 97static device_method_t mse_methods[] = { 98 DEVMETHOD(device_probe, mse_probe), 99 DEVMETHOD(device_attach, mse_attach), 100 DEVMETHOD(device_detach, mse_detach), 101 { 0, 0 } 102}; 103 104static driver_t mse_driver = { 105 "mse", 106 mse_methods, 107 sizeof(mse_softc_t), 108}; 109 110DRIVER_MODULE(mse, isa, mse_driver, mse_devclass, 0, 0); 111 112static struct isa_pnp_id mse_ids[] = { 113#if 0 114 { 0x001fa3b8, "PC-98 bus mouse" }, /* NEC1F00 */ 115#endif 116 { 0 } 117}; 118 119/* 120 * PC-9801 Bus mouse definitions 121 */ 122 123#define MODE MSE_PORTD 124#define HC MSE_PORTD 125#define INT MSE_PORTD 126 127#define XL 0x00 128#define XH 0x20 129#define YL 0x40 130#define YH 0x60 131 132#define INT_ENABLE 0x8 133#define INT_DISABLE 0x9 134#define HC_NO_CLEAR 0xe 135#define HC_CLEAR 0xf 136 137static bus_addr_t mse_port[] = {0, 2, 4, 6}; 138 139static int mse_probe98m(device_t dev, mse_softc_t *sc); 140static void mse_disable98m(bus_space_tag_t t, bus_space_handle_t h); 141static void mse_get98m(bus_space_tag_t t, bus_space_handle_t h, 142 int *dx, int *dy, int *but); 143static void mse_enable98m(bus_space_tag_t t, bus_space_handle_t h); 144 145static struct mse_types mse_types[] = { 146 { MSE_98BUSMOUSE, 147 mse_probe98m, mse_enable98m, mse_disable98m, mse_get98m, 148 { 2, MOUSE_IF_BUS, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, }, 149 { MOUSE_PROTO_BUS, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE, 150 { MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, }, 151 { 0, }, 152}; 153 154static int 155mse_probe(dev) 156 device_t dev; 157{ 158 mse_softc_t *sc; 159 int error; 160 int rid; 161 int i; 162 163 /* check PnP IDs */ 164 error = ISA_PNP_PROBE(device_get_parent(dev), dev, mse_ids); 165 if (error == ENXIO) 166 return error; 167 168 sc = device_get_softc(dev); 169 rid = 0; 170 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, mse_port, 171 MSE_IOSIZE, RF_ACTIVE); 172 if (sc->sc_port == NULL) 173 return ENXIO; 174 if (isa_load_resourcev(sc->sc_port, mse_port, MSE_IOSIZE)) { 175 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 176 return ENXIO; 177 } 178 sc->sc_iot = rman_get_bustag(sc->sc_port); 179 sc->sc_ioh = rman_get_bushandle(sc->sc_port); 180 181 /* 182 * Check for each mouse type in the table. 183 */ 184 i = 0; 185 while (mse_types[i].m_type) { 186 if ((*mse_types[i].m_probe)(dev, sc)) { 187 sc->sc_mousetype = mse_types[i].m_type; 188 sc->sc_enablemouse = mse_types[i].m_enable; 189 sc->sc_disablemouse = mse_types[i].m_disable; 190 sc->sc_getmouse = mse_types[i].m_get; 191 sc->hw = mse_types[i].m_hw; 192 sc->mode = mse_types[i].m_mode; 193 bus_release_resource(dev, SYS_RES_IOPORT, rid, 194 sc->sc_port); 195 device_set_desc(dev, "Bus/InPort Mouse"); 196 return 0; 197 } 198 i++; 199 } 200 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 201 return ENXIO; 202} 203 204static int 205mse_attach(dev) 206 device_t dev; 207{ 208 mse_softc_t *sc; 209 int rid; 210 211 sc = device_get_softc(dev); 212 213 rid = 0; 214 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, mse_port, 215 MSE_IOSIZE, RF_ACTIVE); 216 if (sc->sc_port == NULL) 217 return ENXIO; 218 if (isa_load_resourcev(sc->sc_port, mse_port, MSE_IOSIZE)) { 219 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 220 return ENXIO; 221 } 222 sc->sc_iot = rman_get_bustag(sc->sc_port); 223 sc->sc_ioh = rman_get_bushandle(sc->sc_port); 224 225 return (mse_common_attach(dev)); 226} 227 228static int 229mse_detach(dev) 230 device_t dev; 231{ 232 mse_softc_t *sc; 233 int rid; 234 235 sc = device_get_softc(dev); 236 if (sc->sc_flags & MSESC_OPEN) 237 return EBUSY; 238 239 rid = 0; 240 BUS_TEARDOWN_INTR(device_get_parent(dev), dev, sc->sc_intr, sc->sc_ih); 241 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr); 242 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 243 244 destroy_dev(sc->sc_dev); 245 destroy_dev(sc->sc_ndev); 246 247 return 0; 248} 249 250/* 251 * Routines for the PC98 bus mouse. 252 */ 253 254/* 255 * Test for a PC98 bus mouse and return 1 if it is. 256 * (do not enable interrupts) 257 */ 258static int 259mse_probe98m(dev, sc) 260 device_t dev; 261 mse_softc_t *sc; 262{ 263 /* mode set */ 264 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MODE, 0x93); 265 266 /* initialize */ 267 /* INT disable */ 268 bus_space_write_1(sc->sc_iot, sc->sc_ioh, INT, INT_DISABLE); 269 /* HC = 0 */ 270 bus_space_write_1(sc->sc_iot, sc->sc_ioh, HC, HC_NO_CLEAR); 271 /* HC = 1 */ 272 bus_space_write_1(sc->sc_iot, sc->sc_ioh, HC, HC_CLEAR); 273 274 return (1); 275} 276 277/* 278 * Initialize PC98 bus mouse and enable interrupts. 279 */ 280static void 281mse_enable98m(tag, handle) 282 bus_space_tag_t tag; 283 bus_space_handle_t handle; 284{ 285 bus_space_write_1(tag, handle, INT, INT_ENABLE); /* INT enable */ 286 bus_space_write_1(tag, handle, HC, HC_NO_CLEAR); /* HC = 0 */ 287 bus_space_write_1(tag, handle, HC, HC_CLEAR); /* HC = 1 */ 288} 289 290/* 291 * Disable interrupts for PC98 Bus mouse. 292 */ 293static void 294mse_disable98m(tag, handle) 295 bus_space_tag_t tag; 296 bus_space_handle_t handle; 297{ 298 bus_space_write_1(tag, handle, INT, INT_DISABLE); /* INT disable */ 299 bus_space_write_1(tag, handle, HC, HC_NO_CLEAR); /* HC = 0 */ 300 bus_space_write_1(tag, handle, HC, HC_CLEAR); /* HC = 1 */ 301} 302 303/* 304 * Get current dx, dy and up/down button state. 305 */ 306static void 307mse_get98m(tag, handle, dx, dy, but) 308 bus_space_tag_t tag; 309 bus_space_handle_t handle; 310 int *dx; 311 int *dy; 312 int *but; 313{ 314 register char x, y; 315 316 bus_space_write_1(tag, handle, INT, INT_DISABLE); /* INT disable */ 317 318 bus_space_write_1(tag, handle, HC, HC_CLEAR); /* HC = 1 */ 319 320 /* X low */ 321 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | XL); 322 x = bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f; 323 /* X high */ 324 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | XH); 325 x |= ((bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f) << 4); 326 327 /* Y low */ 328 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | YL); 329 y = (bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f); 330 /* Y high */ 331 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | YH); 332 y |= ((bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f) << 4); 333 334 *but = (bus_space_read_1(tag, handle, MSE_PORTA) >> 5) & 7; 335 336 *dx = x; 337 *dy = y; 338 339 bus_space_write_1(tag, handle, HC, HC_NO_CLEAR); /* HC = 0 */ 340 341 bus_space_write_1(tag, handle, INT, INT_ENABLE); /* INT enable */ 342} 343