1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 23*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 24*0Sstevel@tonic-gate /* All Rights Reserved */ 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28*0Sstevel@tonic-gate * Use is subject to license terms. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * PS/2 type Mouse Module - Streams 35*0Sstevel@tonic-gate */ 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <sys/param.h> 38*0Sstevel@tonic-gate #include <sys/types.h> 39*0Sstevel@tonic-gate #include <sys/kmem.h> 40*0Sstevel@tonic-gate #include <sys/signal.h> 41*0Sstevel@tonic-gate #include <sys/errno.h> 42*0Sstevel@tonic-gate #include <sys/file.h> 43*0Sstevel@tonic-gate #include <sys/termio.h> 44*0Sstevel@tonic-gate #include <sys/stream.h> 45*0Sstevel@tonic-gate #include <sys/stropts.h> 46*0Sstevel@tonic-gate #include <sys/strtty.h> 47*0Sstevel@tonic-gate #include <sys/debug.h> 48*0Sstevel@tonic-gate #include <sys/ddi.h> 49*0Sstevel@tonic-gate #include <sys/stat.h> 50*0Sstevel@tonic-gate #include <sys/cmn_err.h> 51*0Sstevel@tonic-gate #include <sys/sunddi.h> 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #include <sys/promif.h> 54*0Sstevel@tonic-gate #include <sys/cred.h> 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #include <sys/i8042.h> 57*0Sstevel@tonic-gate #include <sys/note.h> 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate #define DRIVER_NAME(dip) ddi_driver_name(dip) 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #ifdef DEBUG 62*0Sstevel@tonic-gate #define MOUSE8042_DEBUG 63*0Sstevel@tonic-gate #endif 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #define MOUSE8042_INTERNAL_OPEN(minor) (((minor) & 0x1) == 1) 66*0Sstevel@tonic-gate #define MOUSE8042_MINOR_TO_INSTANCE(minor) ((minor) / 2) 67*0Sstevel@tonic-gate #define MOUSE8042_INTERNAL_MINOR(minor) ((minor) + 1) 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate extern int ddi_create_internal_pathname(dev_info_t *, char *, int, minor_t); 70*0Sstevel@tonic-gate extern void consconfig_link(major_t major, minor_t minor); 71*0Sstevel@tonic-gate extern int consconfig_unlink(major_t major, minor_t minor); 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate /* 75*0Sstevel@tonic-gate * 76*0Sstevel@tonic-gate * Local Static Data 77*0Sstevel@tonic-gate * 78*0Sstevel@tonic-gate */ 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate /* 81*0Sstevel@tonic-gate * We only support one instance. Yes, it's theoretically possible to 82*0Sstevel@tonic-gate * plug in more than one, but it's not worth the implementation cost. 83*0Sstevel@tonic-gate * 84*0Sstevel@tonic-gate * The introduction of USB keyboards might make it worth reassessing 85*0Sstevel@tonic-gate * this decision, as they might free up the keyboard port for a second 86*0Sstevel@tonic-gate * PS/2 style mouse. 87*0Sstevel@tonic-gate */ 88*0Sstevel@tonic-gate static dev_info_t *mouse8042_dip; 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate struct mouse_state { 91*0Sstevel@tonic-gate queue_t *ms_rqp; 92*0Sstevel@tonic-gate queue_t *ms_wqp; 93*0Sstevel@tonic-gate ddi_iblock_cookie_t ms_iblock_cookie; 94*0Sstevel@tonic-gate ddi_acc_handle_t ms_handle; 95*0Sstevel@tonic-gate uint8_t *ms_addr; 96*0Sstevel@tonic-gate kmutex_t ms_mutex; 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate minor_t ms_minor; 99*0Sstevel@tonic-gate boolean_t ms_opened; 100*0Sstevel@tonic-gate }; 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 103*0Sstevel@tonic-gate int mouse8042_debug = 0; 104*0Sstevel@tonic-gate int mouse8042_debug_minimal = 0; 105*0Sstevel@tonic-gate #endif 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate static uint_t mouse8042_intr(caddr_t arg); 108*0Sstevel@tonic-gate static int mouse8042_open(queue_t *q, dev_t *devp, int flag, int sflag, 109*0Sstevel@tonic-gate cred_t *cred_p); 110*0Sstevel@tonic-gate static int mouse8042_close(queue_t *q, int flag, cred_t *cred_p); 111*0Sstevel@tonic-gate static int mouse8042_wput(queue_t *q, mblk_t *mp); 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate static int mouse8042_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, 114*0Sstevel@tonic-gate void *arg, void **result); 115*0Sstevel@tonic-gate static int mouse8042_attach(dev_info_t *dev, ddi_attach_cmd_t cmd); 116*0Sstevel@tonic-gate static int mouse8042_detach(dev_info_t *dev, ddi_detach_cmd_t cmd); 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate /* 120*0Sstevel@tonic-gate * Streams module info. 121*0Sstevel@tonic-gate */ 122*0Sstevel@tonic-gate #define MODULE_NAME "mouse8042" 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate static struct module_info mouse8042_minfo = { 125*0Sstevel@tonic-gate 23, /* Module ID number */ 126*0Sstevel@tonic-gate MODULE_NAME, 127*0Sstevel@tonic-gate 0, INFPSZ, /* minimum & maximum packet sizes */ 128*0Sstevel@tonic-gate 256, 128 /* hi and low water marks */ 129*0Sstevel@tonic-gate }; 130*0Sstevel@tonic-gate 131*0Sstevel@tonic-gate static struct qinit mouse8042_rinit = { 132*0Sstevel@tonic-gate NULL, /* put */ 133*0Sstevel@tonic-gate NULL, /* service */ 134*0Sstevel@tonic-gate mouse8042_open, 135*0Sstevel@tonic-gate mouse8042_close, 136*0Sstevel@tonic-gate NULL, /* admin */ 137*0Sstevel@tonic-gate &mouse8042_minfo, 138*0Sstevel@tonic-gate NULL /* statistics */ 139*0Sstevel@tonic-gate }; 140*0Sstevel@tonic-gate 141*0Sstevel@tonic-gate static struct qinit mouse8042_winit = { 142*0Sstevel@tonic-gate mouse8042_wput, /* put */ 143*0Sstevel@tonic-gate NULL, /* service */ 144*0Sstevel@tonic-gate NULL, /* open */ 145*0Sstevel@tonic-gate NULL, /* close */ 146*0Sstevel@tonic-gate NULL, /* admin */ 147*0Sstevel@tonic-gate &mouse8042_minfo, 148*0Sstevel@tonic-gate NULL /* statistics */ 149*0Sstevel@tonic-gate }; 150*0Sstevel@tonic-gate 151*0Sstevel@tonic-gate static struct streamtab mouse8042_strinfo = { 152*0Sstevel@tonic-gate &mouse8042_rinit, 153*0Sstevel@tonic-gate &mouse8042_winit, 154*0Sstevel@tonic-gate NULL, /* muxrinit */ 155*0Sstevel@tonic-gate NULL, /* muxwinit */ 156*0Sstevel@tonic-gate }; 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate /* 159*0Sstevel@tonic-gate * Local Function Declarations 160*0Sstevel@tonic-gate */ 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate static struct cb_ops mouse8042_cb_ops = { 163*0Sstevel@tonic-gate nodev, /* open */ 164*0Sstevel@tonic-gate nodev, /* close */ 165*0Sstevel@tonic-gate nodev, /* strategy */ 166*0Sstevel@tonic-gate nodev, /* print */ 167*0Sstevel@tonic-gate nodev, /* dump */ 168*0Sstevel@tonic-gate nodev, /* read */ 169*0Sstevel@tonic-gate nodev, /* write */ 170*0Sstevel@tonic-gate nodev, /* ioctl */ 171*0Sstevel@tonic-gate nodev, /* devmap */ 172*0Sstevel@tonic-gate nodev, /* mmap */ 173*0Sstevel@tonic-gate nodev, /* segmap */ 174*0Sstevel@tonic-gate nochpoll, /* poll */ 175*0Sstevel@tonic-gate ddi_prop_op, /* cb_prop_op */ 176*0Sstevel@tonic-gate &mouse8042_strinfo, /* streamtab */ 177*0Sstevel@tonic-gate D_MP | D_NEW 178*0Sstevel@tonic-gate }; 179*0Sstevel@tonic-gate 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate static struct dev_ops mouse8042_ops = { 182*0Sstevel@tonic-gate DEVO_REV, /* devo_rev, */ 183*0Sstevel@tonic-gate 0, /* refcnt */ 184*0Sstevel@tonic-gate mouse8042_getinfo, /* getinfo */ 185*0Sstevel@tonic-gate nulldev, /* identify */ 186*0Sstevel@tonic-gate nulldev, /* probe */ 187*0Sstevel@tonic-gate mouse8042_attach, /* attach */ 188*0Sstevel@tonic-gate mouse8042_detach, /* detach */ 189*0Sstevel@tonic-gate nodev, /* reset */ 190*0Sstevel@tonic-gate &mouse8042_cb_ops, /* driver operations */ 191*0Sstevel@tonic-gate (struct bus_ops *)0 /* bus operations */ 192*0Sstevel@tonic-gate }; 193*0Sstevel@tonic-gate 194*0Sstevel@tonic-gate /* 195*0Sstevel@tonic-gate * This is the loadable module wrapper. 196*0Sstevel@tonic-gate */ 197*0Sstevel@tonic-gate #include <sys/modctl.h> 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate extern struct mod_ops mod_driverops; 200*0Sstevel@tonic-gate 201*0Sstevel@tonic-gate /* 202*0Sstevel@tonic-gate * Module linkage information for the kernel. 203*0Sstevel@tonic-gate */ 204*0Sstevel@tonic-gate 205*0Sstevel@tonic-gate static struct modldrv modldrv = { 206*0Sstevel@tonic-gate &mod_driverops, /* Type of module. This one is a driver */ 207*0Sstevel@tonic-gate "PS/2 Mouse %I%, %E%", 208*0Sstevel@tonic-gate &mouse8042_ops, /* driver ops */ 209*0Sstevel@tonic-gate }; 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate static struct modlinkage modlinkage = { 212*0Sstevel@tonic-gate MODREV_1, 213*0Sstevel@tonic-gate (void *)&modldrv, 214*0Sstevel@tonic-gate NULL 215*0Sstevel@tonic-gate }; 216*0Sstevel@tonic-gate 217*0Sstevel@tonic-gate /* 218*0Sstevel@tonic-gate * This is the driver initialization routine. 219*0Sstevel@tonic-gate */ 220*0Sstevel@tonic-gate int 221*0Sstevel@tonic-gate _init() 222*0Sstevel@tonic-gate { 223*0Sstevel@tonic-gate int rv; 224*0Sstevel@tonic-gate 225*0Sstevel@tonic-gate rv = mod_install(&modlinkage); 226*0Sstevel@tonic-gate return (rv); 227*0Sstevel@tonic-gate } 228*0Sstevel@tonic-gate 229*0Sstevel@tonic-gate 230*0Sstevel@tonic-gate int 231*0Sstevel@tonic-gate _fini(void) 232*0Sstevel@tonic-gate { 233*0Sstevel@tonic-gate return (mod_remove(&modlinkage)); 234*0Sstevel@tonic-gate } 235*0Sstevel@tonic-gate 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate int 238*0Sstevel@tonic-gate _info(struct modinfo *modinfop) 239*0Sstevel@tonic-gate { 240*0Sstevel@tonic-gate return (mod_info(&modlinkage, modinfop)); 241*0Sstevel@tonic-gate } 242*0Sstevel@tonic-gate 243*0Sstevel@tonic-gate static int 244*0Sstevel@tonic-gate mouse8042_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 245*0Sstevel@tonic-gate { 246*0Sstevel@tonic-gate struct mouse_state *state; 247*0Sstevel@tonic-gate int instance = ddi_get_instance(dip); 248*0Sstevel@tonic-gate static ddi_device_acc_attr_t attr = { 249*0Sstevel@tonic-gate DDI_DEVICE_ATTR_V0, 250*0Sstevel@tonic-gate DDI_NEVERSWAP_ACC, 251*0Sstevel@tonic-gate DDI_STRICTORDER_ACC, 252*0Sstevel@tonic-gate }; 253*0Sstevel@tonic-gate int rc; 254*0Sstevel@tonic-gate 255*0Sstevel@tonic-gate 256*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 257*0Sstevel@tonic-gate if (mouse8042_debug) { 258*0Sstevel@tonic-gate cmn_err(CE_CONT, MODULE_NAME "_attach entry\n"); 259*0Sstevel@tonic-gate } 260*0Sstevel@tonic-gate #endif 261*0Sstevel@tonic-gate 262*0Sstevel@tonic-gate if (cmd != DDI_ATTACH) 263*0Sstevel@tonic-gate return (DDI_FAILURE); 264*0Sstevel@tonic-gate 265*0Sstevel@tonic-gate if (mouse8042_dip != NULL) 266*0Sstevel@tonic-gate return (DDI_FAILURE); 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate /* allocate and initialize state structure */ 269*0Sstevel@tonic-gate state = kmem_zalloc(sizeof (struct mouse_state), KM_SLEEP); 270*0Sstevel@tonic-gate state->ms_opened = B_FALSE; 271*0Sstevel@tonic-gate ddi_set_driver_private(dip, state); 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate /* 274*0Sstevel@tonic-gate * In order to support virtual keyboard/mouse, we should distinguish 275*0Sstevel@tonic-gate * between internal virtual open and external physical open. 276*0Sstevel@tonic-gate * 277*0Sstevel@tonic-gate * When the physical devices are opened by application, they will 278*0Sstevel@tonic-gate * be unlinked from the virtual device and their data stream will 279*0Sstevel@tonic-gate * not be sent to the virtual device. When the opened physical 280*0Sstevel@tonic-gate * devices are closed, they will be relinked to the virtual devices. 281*0Sstevel@tonic-gate * 282*0Sstevel@tonic-gate * All these automatic switch between virtual and physical are 283*0Sstevel@tonic-gate * transparent. 284*0Sstevel@tonic-gate * 285*0Sstevel@tonic-gate * So we change minor node numbering scheme to be: 286*0Sstevel@tonic-gate * external node minor num == instance * 2 287*0Sstevel@tonic-gate * internal node minor num == instance * 2 + 1 288*0Sstevel@tonic-gate */ 289*0Sstevel@tonic-gate rc = ddi_create_minor_node(dip, "l", S_IFCHR, instance * 2, 290*0Sstevel@tonic-gate DDI_NT_MOUSE, NULL); 291*0Sstevel@tonic-gate if (rc != DDI_SUCCESS) { 292*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 293*0Sstevel@tonic-gate cmn_err(CE_CONT, 294*0Sstevel@tonic-gate MODULE_NAME "_attach: ddi_create_minor_node failed\n"); 295*0Sstevel@tonic-gate #endif 296*0Sstevel@tonic-gate goto fail_1; 297*0Sstevel@tonic-gate } 298*0Sstevel@tonic-gate 299*0Sstevel@tonic-gate if (ddi_create_internal_pathname(dip, "internal_mouse", S_IFCHR, 300*0Sstevel@tonic-gate instance * 2 + 1) != DDI_SUCCESS) { 301*0Sstevel@tonic-gate goto fail_2; 302*0Sstevel@tonic-gate } 303*0Sstevel@tonic-gate 304*0Sstevel@tonic-gate rc = ddi_regs_map_setup(dip, 0, (caddr_t *)&state->ms_addr, 305*0Sstevel@tonic-gate (offset_t)0, (offset_t)0, &attr, &state->ms_handle); 306*0Sstevel@tonic-gate if (rc != DDI_SUCCESS) { 307*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 308*0Sstevel@tonic-gate cmn_err(CE_WARN, MODULE_NAME "_attach: can't map registers"); 309*0Sstevel@tonic-gate #endif 310*0Sstevel@tonic-gate goto fail_2; 311*0Sstevel@tonic-gate } 312*0Sstevel@tonic-gate 313*0Sstevel@tonic-gate rc = ddi_get_iblock_cookie(dip, 0, &state->ms_iblock_cookie); 314*0Sstevel@tonic-gate if (rc != DDI_SUCCESS) { 315*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 316*0Sstevel@tonic-gate cmn_err(CE_WARN, 317*0Sstevel@tonic-gate MODULE_NAME "_attach: Can't get iblock cookie"); 318*0Sstevel@tonic-gate #endif 319*0Sstevel@tonic-gate goto fail_3; 320*0Sstevel@tonic-gate } 321*0Sstevel@tonic-gate 322*0Sstevel@tonic-gate mutex_init(&state->ms_mutex, NULL, MUTEX_DRIVER, 323*0Sstevel@tonic-gate state->ms_iblock_cookie); 324*0Sstevel@tonic-gate 325*0Sstevel@tonic-gate rc = ddi_add_intr(dip, 0, 326*0Sstevel@tonic-gate (ddi_iblock_cookie_t *)NULL, (ddi_idevice_cookie_t *)NULL, 327*0Sstevel@tonic-gate mouse8042_intr, (caddr_t)state); 328*0Sstevel@tonic-gate if (rc != DDI_SUCCESS) { 329*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 330*0Sstevel@tonic-gate cmn_err(CE_WARN, MODULE_NAME "_attach: cannot add interrupt"); 331*0Sstevel@tonic-gate #endif 332*0Sstevel@tonic-gate goto fail_3; 333*0Sstevel@tonic-gate } 334*0Sstevel@tonic-gate 335*0Sstevel@tonic-gate mouse8042_dip = dip; 336*0Sstevel@tonic-gate 337*0Sstevel@tonic-gate /* Now that we're attached, announce our presence to the world. */ 338*0Sstevel@tonic-gate ddi_report_dev(dip); 339*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 340*0Sstevel@tonic-gate cmn_err(CE_CONT, "?%s #%d: version %s\n", 341*0Sstevel@tonic-gate DRIVER_NAME(dip), ddi_get_instance(dip), "%I% (%E%)"); 342*0Sstevel@tonic-gate #endif 343*0Sstevel@tonic-gate return (DDI_SUCCESS); 344*0Sstevel@tonic-gate 345*0Sstevel@tonic-gate fail_3: 346*0Sstevel@tonic-gate ddi_regs_map_free(&state->ms_handle); 347*0Sstevel@tonic-gate 348*0Sstevel@tonic-gate fail_2: 349*0Sstevel@tonic-gate ddi_remove_minor_node(dip, NULL); 350*0Sstevel@tonic-gate 351*0Sstevel@tonic-gate fail_1: 352*0Sstevel@tonic-gate kmem_free(state, sizeof (struct mouse_state)); 353*0Sstevel@tonic-gate return (rc); 354*0Sstevel@tonic-gate } 355*0Sstevel@tonic-gate 356*0Sstevel@tonic-gate /*ARGSUSED*/ 357*0Sstevel@tonic-gate static int 358*0Sstevel@tonic-gate mouse8042_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 359*0Sstevel@tonic-gate { 360*0Sstevel@tonic-gate struct mouse_state *state; 361*0Sstevel@tonic-gate 362*0Sstevel@tonic-gate state = ddi_get_driver_private(dip); 363*0Sstevel@tonic-gate 364*0Sstevel@tonic-gate switch (cmd) { 365*0Sstevel@tonic-gate 366*0Sstevel@tonic-gate case DDI_DETACH: 367*0Sstevel@tonic-gate ddi_remove_intr(dip, 0, state->ms_iblock_cookie); 368*0Sstevel@tonic-gate mouse8042_dip = NULL; 369*0Sstevel@tonic-gate mutex_destroy(&state->ms_mutex); 370*0Sstevel@tonic-gate ddi_prop_remove_all(dip); 371*0Sstevel@tonic-gate ddi_regs_map_free(&state->ms_handle); 372*0Sstevel@tonic-gate ddi_remove_minor_node(dip, NULL); 373*0Sstevel@tonic-gate kmem_free(state, sizeof (struct mouse_state)); 374*0Sstevel@tonic-gate return (DDI_SUCCESS); 375*0Sstevel@tonic-gate 376*0Sstevel@tonic-gate default: 377*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 378*0Sstevel@tonic-gate if (mouse8042_debug) { 379*0Sstevel@tonic-gate cmn_err(CE_CONT, 380*0Sstevel@tonic-gate "mouse8042_detach: cmd = %d unknown\n", cmd); 381*0Sstevel@tonic-gate } 382*0Sstevel@tonic-gate #endif 383*0Sstevel@tonic-gate return (DDI_FAILURE); 384*0Sstevel@tonic-gate } 385*0Sstevel@tonic-gate } 386*0Sstevel@tonic-gate 387*0Sstevel@tonic-gate 388*0Sstevel@tonic-gate /* ARGSUSED */ 389*0Sstevel@tonic-gate static int 390*0Sstevel@tonic-gate mouse8042_getinfo( 391*0Sstevel@tonic-gate dev_info_t *dip, 392*0Sstevel@tonic-gate ddi_info_cmd_t infocmd, 393*0Sstevel@tonic-gate void *arg, 394*0Sstevel@tonic-gate void **result) 395*0Sstevel@tonic-gate { 396*0Sstevel@tonic-gate dev_t dev = (dev_t)arg; 397*0Sstevel@tonic-gate minor_t minor = getminor(dev); 398*0Sstevel@tonic-gate int instance = MOUSE8042_MINOR_TO_INSTANCE(minor); 399*0Sstevel@tonic-gate 400*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 401*0Sstevel@tonic-gate if (mouse8042_debug) 402*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_getinfo: call\n"); 403*0Sstevel@tonic-gate #endif 404*0Sstevel@tonic-gate switch (infocmd) { 405*0Sstevel@tonic-gate case DDI_INFO_DEVT2DEVINFO: 406*0Sstevel@tonic-gate if (mouse8042_dip == NULL) 407*0Sstevel@tonic-gate return (DDI_FAILURE); 408*0Sstevel@tonic-gate 409*0Sstevel@tonic-gate *result = (void *)mouse8042_dip; 410*0Sstevel@tonic-gate break; 411*0Sstevel@tonic-gate case DDI_INFO_DEVT2INSTANCE: 412*0Sstevel@tonic-gate *result = (void *)(uintptr_t)instance; 413*0Sstevel@tonic-gate break; 414*0Sstevel@tonic-gate default: 415*0Sstevel@tonic-gate return (DDI_FAILURE); 416*0Sstevel@tonic-gate } 417*0Sstevel@tonic-gate return (DDI_SUCCESS); 418*0Sstevel@tonic-gate } 419*0Sstevel@tonic-gate 420*0Sstevel@tonic-gate /*ARGSUSED*/ 421*0Sstevel@tonic-gate static int 422*0Sstevel@tonic-gate mouse8042_open( 423*0Sstevel@tonic-gate queue_t *q, 424*0Sstevel@tonic-gate dev_t *devp, 425*0Sstevel@tonic-gate int flag, 426*0Sstevel@tonic-gate int sflag, 427*0Sstevel@tonic-gate cred_t *cred_p) 428*0Sstevel@tonic-gate { 429*0Sstevel@tonic-gate struct mouse_state *state; 430*0Sstevel@tonic-gate minor_t minor = getminor(*devp); 431*0Sstevel@tonic-gate int rval; 432*0Sstevel@tonic-gate 433*0Sstevel@tonic-gate if (mouse8042_dip == NULL) 434*0Sstevel@tonic-gate return (ENXIO); 435*0Sstevel@tonic-gate 436*0Sstevel@tonic-gate state = ddi_get_driver_private(mouse8042_dip); 437*0Sstevel@tonic-gate 438*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 439*0Sstevel@tonic-gate if (mouse8042_debug) 440*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_open:entered\n"); 441*0Sstevel@tonic-gate #endif 442*0Sstevel@tonic-gate 443*0Sstevel@tonic-gate mutex_enter(&state->ms_mutex); 444*0Sstevel@tonic-gate 445*0Sstevel@tonic-gate if (state->ms_opened) { 446*0Sstevel@tonic-gate /* 447*0Sstevel@tonic-gate * Exit if the same minor node is already open 448*0Sstevel@tonic-gate */ 449*0Sstevel@tonic-gate if (state->ms_minor == minor) { 450*0Sstevel@tonic-gate mutex_exit(&state->ms_mutex); 451*0Sstevel@tonic-gate return (0); 452*0Sstevel@tonic-gate } 453*0Sstevel@tonic-gate 454*0Sstevel@tonic-gate /* 455*0Sstevel@tonic-gate * Check whether it is switch between physical and virtual 456*0Sstevel@tonic-gate * 457*0Sstevel@tonic-gate * Opening from virtual while the device is being physically 458*0Sstevel@tonic-gate * opened by an application should not happen. So we ASSERT 459*0Sstevel@tonic-gate * this in DEBUG version, and return error in the non-DEBUG 460*0Sstevel@tonic-gate * case. 461*0Sstevel@tonic-gate */ 462*0Sstevel@tonic-gate ASSERT(!MOUSE8042_INTERNAL_OPEN(minor)); 463*0Sstevel@tonic-gate 464*0Sstevel@tonic-gate if (MOUSE8042_INTERNAL_OPEN(minor)) { 465*0Sstevel@tonic-gate mutex_exit(&state->ms_mutex); 466*0Sstevel@tonic-gate return (EINVAL); 467*0Sstevel@tonic-gate } 468*0Sstevel@tonic-gate 469*0Sstevel@tonic-gate /* 470*0Sstevel@tonic-gate * Opening the physical one while it is being underneath 471*0Sstevel@tonic-gate * the virtual one. 472*0Sstevel@tonic-gate * 473*0Sstevel@tonic-gate * consconfig_unlink is called to unlink this device from 474*0Sstevel@tonic-gate * the virtual one, thus the old stream serving for this 475*0Sstevel@tonic-gate * device under the virtual one is closed, and then the 476*0Sstevel@tonic-gate * lower driver's close routine (here is mouse8042_close) 477*0Sstevel@tonic-gate * is also called to accomplish the whole stream close. 478*0Sstevel@tonic-gate * Here we have to drop the lock because mouse8042_close 479*0Sstevel@tonic-gate * also needs the lock. 480*0Sstevel@tonic-gate * 481*0Sstevel@tonic-gate * For mouse, the old stream is: 482*0Sstevel@tonic-gate * consms->["pushmod"->]"mouse_vp driver" 483*0Sstevel@tonic-gate * 484*0Sstevel@tonic-gate * After the consconfig_unlink returns, the old stream is closed 485*0Sstevel@tonic-gate * and we grab the lock again to reopen this device as normal. 486*0Sstevel@tonic-gate */ 487*0Sstevel@tonic-gate mutex_exit(&state->ms_mutex); 488*0Sstevel@tonic-gate 489*0Sstevel@tonic-gate /* 490*0Sstevel@tonic-gate * If unlink fails, fail the physical open. 491*0Sstevel@tonic-gate */ 492*0Sstevel@tonic-gate if ((rval = consconfig_unlink(ddi_driver_major(mouse8042_dip), 493*0Sstevel@tonic-gate MOUSE8042_INTERNAL_MINOR(minor))) != 0) { 494*0Sstevel@tonic-gate return (rval); 495*0Sstevel@tonic-gate } 496*0Sstevel@tonic-gate 497*0Sstevel@tonic-gate mutex_enter(&state->ms_mutex); 498*0Sstevel@tonic-gate } 499*0Sstevel@tonic-gate 500*0Sstevel@tonic-gate 501*0Sstevel@tonic-gate q->q_ptr = (caddr_t)state; 502*0Sstevel@tonic-gate WR(q)->q_ptr = (caddr_t)state; 503*0Sstevel@tonic-gate state->ms_rqp = q; 504*0Sstevel@tonic-gate state->ms_wqp = WR(q); 505*0Sstevel@tonic-gate 506*0Sstevel@tonic-gate qprocson(q); 507*0Sstevel@tonic-gate 508*0Sstevel@tonic-gate state->ms_minor = minor; 509*0Sstevel@tonic-gate state->ms_opened = B_TRUE; 510*0Sstevel@tonic-gate 511*0Sstevel@tonic-gate mutex_exit(&state->ms_mutex); 512*0Sstevel@tonic-gate 513*0Sstevel@tonic-gate return (0); 514*0Sstevel@tonic-gate } 515*0Sstevel@tonic-gate 516*0Sstevel@tonic-gate 517*0Sstevel@tonic-gate /*ARGSUSED*/ 518*0Sstevel@tonic-gate static int 519*0Sstevel@tonic-gate mouse8042_close(queue_t *q, int flag, cred_t *cred_p) 520*0Sstevel@tonic-gate { 521*0Sstevel@tonic-gate struct mouse_state *state; 522*0Sstevel@tonic-gate minor_t minor; 523*0Sstevel@tonic-gate 524*0Sstevel@tonic-gate state = (struct mouse_state *)q->q_ptr; 525*0Sstevel@tonic-gate 526*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 527*0Sstevel@tonic-gate if (mouse8042_debug) 528*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_close:entered\n"); 529*0Sstevel@tonic-gate #endif 530*0Sstevel@tonic-gate 531*0Sstevel@tonic-gate mutex_enter(&state->ms_mutex); 532*0Sstevel@tonic-gate 533*0Sstevel@tonic-gate qprocsoff(q); 534*0Sstevel@tonic-gate 535*0Sstevel@tonic-gate q->q_ptr = NULL; 536*0Sstevel@tonic-gate WR(q)->q_ptr = NULL; 537*0Sstevel@tonic-gate state->ms_rqp = NULL; 538*0Sstevel@tonic-gate state->ms_wqp = NULL; 539*0Sstevel@tonic-gate 540*0Sstevel@tonic-gate state->ms_opened = B_FALSE; 541*0Sstevel@tonic-gate 542*0Sstevel@tonic-gate minor = state->ms_minor; 543*0Sstevel@tonic-gate 544*0Sstevel@tonic-gate mutex_exit(&state->ms_mutex); 545*0Sstevel@tonic-gate 546*0Sstevel@tonic-gate if (!MOUSE8042_INTERNAL_OPEN(minor)) { 547*0Sstevel@tonic-gate /* 548*0Sstevel@tonic-gate * Closing physical PS/2 mouse 549*0Sstevel@tonic-gate * 550*0Sstevel@tonic-gate * Link it back to virtual mouse, and 551*0Sstevel@tonic-gate * mouse8042_open will be called as a result 552*0Sstevel@tonic-gate * of the consconfig_link call. 553*0Sstevel@tonic-gate * 554*0Sstevel@tonic-gate * If linking back fails, this specific mouse 555*0Sstevel@tonic-gate * will not be available underneath the virtual 556*0Sstevel@tonic-gate * mouse, and can only be accessed via physical 557*0Sstevel@tonic-gate * open. 558*0Sstevel@tonic-gate */ 559*0Sstevel@tonic-gate consconfig_link(ddi_driver_major(mouse8042_dip), 560*0Sstevel@tonic-gate MOUSE8042_INTERNAL_MINOR(minor)); 561*0Sstevel@tonic-gate } 562*0Sstevel@tonic-gate 563*0Sstevel@tonic-gate return (0); 564*0Sstevel@tonic-gate } 565*0Sstevel@tonic-gate 566*0Sstevel@tonic-gate static void 567*0Sstevel@tonic-gate mouse8042_iocnack( 568*0Sstevel@tonic-gate queue_t *qp, 569*0Sstevel@tonic-gate mblk_t *mp, 570*0Sstevel@tonic-gate struct iocblk *iocp, 571*0Sstevel@tonic-gate int error, 572*0Sstevel@tonic-gate int rval) 573*0Sstevel@tonic-gate { 574*0Sstevel@tonic-gate mp->b_datap->db_type = M_IOCNAK; 575*0Sstevel@tonic-gate iocp->ioc_rval = rval; 576*0Sstevel@tonic-gate iocp->ioc_error = error; 577*0Sstevel@tonic-gate qreply(qp, mp); 578*0Sstevel@tonic-gate } 579*0Sstevel@tonic-gate 580*0Sstevel@tonic-gate static int 581*0Sstevel@tonic-gate mouse8042_wput(queue_t *q, mblk_t *mp) 582*0Sstevel@tonic-gate { 583*0Sstevel@tonic-gate struct iocblk *iocbp; 584*0Sstevel@tonic-gate mblk_t *bp; 585*0Sstevel@tonic-gate mblk_t *next; 586*0Sstevel@tonic-gate struct mouse_state *state; 587*0Sstevel@tonic-gate 588*0Sstevel@tonic-gate state = (struct mouse_state *)q->q_ptr; 589*0Sstevel@tonic-gate 590*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 591*0Sstevel@tonic-gate if (mouse8042_debug) 592*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_wput:entered\n"); 593*0Sstevel@tonic-gate #endif 594*0Sstevel@tonic-gate iocbp = (struct iocblk *)mp->b_rptr; 595*0Sstevel@tonic-gate switch (mp->b_datap->db_type) { 596*0Sstevel@tonic-gate case M_FLUSH: 597*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 598*0Sstevel@tonic-gate if (mouse8042_debug) 599*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_wput:M_FLUSH\n"); 600*0Sstevel@tonic-gate #endif 601*0Sstevel@tonic-gate 602*0Sstevel@tonic-gate if (*mp->b_rptr & FLUSHW) 603*0Sstevel@tonic-gate flushq(q, FLUSHDATA); 604*0Sstevel@tonic-gate qreply(q, mp); 605*0Sstevel@tonic-gate break; 606*0Sstevel@tonic-gate case M_IOCTL: 607*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 608*0Sstevel@tonic-gate if (mouse8042_debug) 609*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_wput:M_IOCTL\n"); 610*0Sstevel@tonic-gate #endif 611*0Sstevel@tonic-gate mouse8042_iocnack(q, mp, iocbp, EINVAL, 0); 612*0Sstevel@tonic-gate break; 613*0Sstevel@tonic-gate case M_IOCDATA: 614*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 615*0Sstevel@tonic-gate if (mouse8042_debug) 616*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_wput:M_IOCDATA\n"); 617*0Sstevel@tonic-gate #endif 618*0Sstevel@tonic-gate mouse8042_iocnack(q, mp, iocbp, EINVAL, 0); 619*0Sstevel@tonic-gate break; 620*0Sstevel@tonic-gate case M_DATA: 621*0Sstevel@tonic-gate bp = mp; 622*0Sstevel@tonic-gate do { 623*0Sstevel@tonic-gate while (bp->b_rptr < bp->b_wptr) { 624*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 625*0Sstevel@tonic-gate if (mouse8042_debug) { 626*0Sstevel@tonic-gate cmn_err(CE_CONT, 627*0Sstevel@tonic-gate "mouse8042: send %2x\n", 628*0Sstevel@tonic-gate *bp->b_rptr); 629*0Sstevel@tonic-gate } 630*0Sstevel@tonic-gate if (mouse8042_debug_minimal) { 631*0Sstevel@tonic-gate cmn_err(CE_CONT, ">a:%2x ", 632*0Sstevel@tonic-gate *bp->b_rptr); 633*0Sstevel@tonic-gate } 634*0Sstevel@tonic-gate #endif 635*0Sstevel@tonic-gate ddi_put8(state->ms_handle, 636*0Sstevel@tonic-gate state->ms_addr + I8042_INT_OUTPUT_DATA, 637*0Sstevel@tonic-gate *bp->b_rptr++); 638*0Sstevel@tonic-gate } 639*0Sstevel@tonic-gate next = bp->b_cont; 640*0Sstevel@tonic-gate freeb(bp); 641*0Sstevel@tonic-gate } while ((bp = next) != NULL); 642*0Sstevel@tonic-gate break; 643*0Sstevel@tonic-gate default: 644*0Sstevel@tonic-gate freemsg(mp); 645*0Sstevel@tonic-gate break; 646*0Sstevel@tonic-gate } 647*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 648*0Sstevel@tonic-gate if (mouse8042_debug) 649*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_wput:leaving\n"); 650*0Sstevel@tonic-gate #endif 651*0Sstevel@tonic-gate return (0); /* ignored */ 652*0Sstevel@tonic-gate } 653*0Sstevel@tonic-gate 654*0Sstevel@tonic-gate static uint_t 655*0Sstevel@tonic-gate mouse8042_intr(caddr_t arg) 656*0Sstevel@tonic-gate { 657*0Sstevel@tonic-gate unsigned char mdata; 658*0Sstevel@tonic-gate mblk_t *mp; 659*0Sstevel@tonic-gate struct mouse_state *state = (struct mouse_state *)arg; 660*0Sstevel@tonic-gate int rc; 661*0Sstevel@tonic-gate 662*0Sstevel@tonic-gate mutex_enter(&state->ms_mutex); 663*0Sstevel@tonic-gate 664*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 665*0Sstevel@tonic-gate if (mouse8042_debug) 666*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_intr()\n"); 667*0Sstevel@tonic-gate #endif 668*0Sstevel@tonic-gate rc = DDI_INTR_UNCLAIMED; 669*0Sstevel@tonic-gate 670*0Sstevel@tonic-gate for (;;) { 671*0Sstevel@tonic-gate 672*0Sstevel@tonic-gate if (ddi_get8(state->ms_handle, 673*0Sstevel@tonic-gate state->ms_addr + I8042_INT_INPUT_AVAIL) == 0) { 674*0Sstevel@tonic-gate break; 675*0Sstevel@tonic-gate } 676*0Sstevel@tonic-gate 677*0Sstevel@tonic-gate mdata = ddi_get8(state->ms_handle, 678*0Sstevel@tonic-gate state->ms_addr + I8042_INT_INPUT_DATA); 679*0Sstevel@tonic-gate 680*0Sstevel@tonic-gate #if defined(MOUSE8042_DEBUG) 681*0Sstevel@tonic-gate if (mouse8042_debug) 682*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_intr: got %2x\n", mdata); 683*0Sstevel@tonic-gate if (mouse8042_debug_minimal) 684*0Sstevel@tonic-gate cmn_err(CE_CONT, "<A:%2x ", mdata); 685*0Sstevel@tonic-gate #endif 686*0Sstevel@tonic-gate 687*0Sstevel@tonic-gate rc = DDI_INTR_CLAIMED; 688*0Sstevel@tonic-gate 689*0Sstevel@tonic-gate if (state->ms_rqp != NULL && (mp = allocb(1, BPRI_MED))) { 690*0Sstevel@tonic-gate *mp->b_wptr++ = mdata; 691*0Sstevel@tonic-gate putnext(state->ms_rqp, mp); 692*0Sstevel@tonic-gate } 693*0Sstevel@tonic-gate } 694*0Sstevel@tonic-gate #ifdef MOUSE8042_DEBUG 695*0Sstevel@tonic-gate if (mouse8042_debug) 696*0Sstevel@tonic-gate cmn_err(CE_CONT, "mouse8042_intr() ok\n"); 697*0Sstevel@tonic-gate #endif 698*0Sstevel@tonic-gate mutex_exit(&state->ms_mutex); 699*0Sstevel@tonic-gate 700*0Sstevel@tonic-gate return (rc); 701*0Sstevel@tonic-gate } 702