From dfb16d4177a39907c05c263200214aca2caaa824 Mon Sep 17 00:00:00 2001 From: peter Date: Sun, 18 Apr 1999 15:13:03 +0000 Subject: Remove i386-specific psm.c - it's now in sys/isa/psm.c --- sys/i386/isa/psm.c | 2267 ---------------------------------------------------- 1 file changed, 2267 deletions(-) delete mode 100644 sys/i386/isa/psm.c diff --git a/sys/i386/isa/psm.c b/sys/i386/isa/psm.c deleted file mode 100644 index ca85f57..0000000 --- a/sys/i386/isa/psm.c +++ /dev/null @@ -1,2267 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 Erik Forsberg. - * Copyright (c) 1996, 1997 Kazutaka YOKOTA. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $Id: psm.c,v 1.59 1999/01/11 03:18:23 yokota Exp $ - */ - -/* - * Ported to 386bsd Oct 17, 1992 - * Sandi Donno, Computer Science, University of Cape Town, South Africa - * Please send bug reports to sandi@cs.uct.ac.za - * - * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - - * although I was only partially successful in getting the alpha release - * of his "driver for the Logitech and ATI Inport Bus mice for use with - * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless - * found his code to be an invaluable reference when porting this driver - * to 386bsd. - * - * Further modifications for latest 386BSD+patchkit and port to NetBSD, - * Andrew Herbert - 8 June 1993 - * - * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by - * Andrew Herbert - 12 June 1993 - * - * Modified for PS/2 mouse by Charles Hannum - * - 13 June 1993 - * - * Modified for PS/2 AUX mouse by Shoji Yuen - * - 24 October 1993 - * - * Hardware access routines and probe logic rewritten by - * Kazutaka Yokota - * - 3, 14, 22 October 1996. - * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... - * - 14, 30 November 1996. Uses `kbdio.c'. - * - 13 December 1996. Uses queuing version of `kbdio.c'. - * - January/February 1997. Tweaked probe logic for - * HiNote UltraII/Latitude/Armada laptops. - * - 30 July 1997. Added APM support. - * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). - * Improved sync check logic. - * Vendor specific support routines. - */ - -#include "psm.h" -#include "apm.h" -#include "opt_devfs.h" -#include "opt_psm.h" - -#if NPSM > 0 - -#include -#include -#include -#include -#include -#include -#include -#ifdef DEVFS -#include -#endif -#include -#include - -#include -#include -#include -#include - -#include - -#include -#include - -/* - * Driver specific options: the following options may be set by - * `options' statements in the kernel configuration file. - */ - -/* debugging */ -#ifndef PSM_DEBUG -#define PSM_DEBUG 0 /* logging: 0: none, 1: brief, 2: verbose */ -#endif - -/* features */ - -/* #define PSM_HOOKAPM hook the APM resume event */ -/* #define PSM_RESETAFTERSUSPEND reset the device at the resume event */ - -#if NAPM <= 0 -#undef PSM_HOOKAPM -#endif /* NAPM */ - -#ifndef PSM_HOOKAPM -#undef PSM_RESETAFTERSUSPEND -#endif /* PSM_HOOKAPM */ - -/* end of driver specific options */ - -/* input queue */ -#define PSM_BUFSIZE 960 -#define PSM_SMALLBUFSIZE 240 - -/* operation levels */ -#define PSM_LEVEL_BASE 0 -#define PSM_LEVEL_STANDARD 1 -#define PSM_LEVEL_NATIVE 2 -#define PSM_LEVEL_MIN PSM_LEVEL_BASE -#define PSM_LEVEL_MAX PSM_LEVEL_NATIVE - -/* some macros */ -#define PSM_UNIT(dev) (minor(dev) >> 1) -#define PSM_NBLOCKIO(dev) (minor(dev) & 1) -#define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) - -#ifndef max -#define max(x,y) ((x) > (y) ? (x) : (y)) -#endif -#ifndef min -#define min(x,y) ((x) < (y) ? (x) : (y)) -#endif - -/* ring buffer */ -typedef struct ringbuf { - int count; /* # of valid elements in the buffer */ - int head; /* head pointer */ - int tail; /* tail poiner */ - unsigned char buf[PSM_BUFSIZE]; -} ringbuf_t; - -/* driver control block */ -static struct psm_softc { /* Driver status information */ - struct selinfo rsel; /* Process selecting for Input */ - unsigned char state; /* Mouse driver state */ - int config; /* driver configuration flags */ - int flags; /* other flags */ - KBDC kbdc; /* handle to access the keyboard controller */ - int addr; /* I/O port address */ - mousehw_t hw; /* hardware information */ - mousemode_t mode; /* operation mode */ - mousemode_t dflt_mode; /* default operation mode */ - mousestatus_t status; /* accumulated mouse movement */ - ringbuf_t queue; /* mouse status queue */ - unsigned char ipacket[16]; /* interim input buffer */ - int inputbytes; /* # of bytes in the input buffer */ - int button; /* the latest button state */ -#ifdef DEVFS - void *devfs_token; - void *b_devfs_token; -#endif -#ifdef PSM_HOOKAPM - struct apmhook resumehook; -#endif -} *psm_softc[NPSM]; - -/* driver state flags (state) */ -#define PSM_VALID 0x80 -#define PSM_OPEN 1 /* Device is open */ -#define PSM_ASLP 2 /* Waiting for mouse data */ - -/* driver configuration flags (config) */ -#define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ -#define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ -#define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ -#define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ -#define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ -#define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ -#define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ - -#define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ - | PSM_CONFIG_ACCEL \ - | PSM_CONFIG_NOCHECKSYNC \ - | PSM_CONFIG_NOIDPROBE \ - | PSM_CONFIG_NORESET \ - | PSM_CONFIG_FORCETAP \ - | PSM_CONFIG_IGNPORTERROR) - -/* other flags (flags) */ - -/* for backward compatibility */ -#define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) -#define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) -#define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) - -typedef struct old_mousehw { - int buttons; - int iftype; - int type; - int hwid; -} old_mousehw_t; - -typedef struct old_mousemode { - int protocol; - int rate; - int resolution; - int accelfactor; -} old_mousemode_t; - -/* packet formatting function */ -typedef int packetfunc_t __P((struct psm_softc *, unsigned char *, - int *, int, mousestatus_t *)); - -/* function prototypes */ -static int psmprobe __P((struct isa_device *)); -static int psmattach __P((struct isa_device *)); -static void psm_drvinit __P((void *)); -#ifdef PSM_HOOKAPM -static int psmresume __P((void *)); -#endif - -static d_open_t psmopen; -static d_close_t psmclose; -static d_read_t psmread; -static d_ioctl_t psmioctl; -static d_poll_t psmpoll; - -static int enable_aux_dev __P((KBDC)); -static int disable_aux_dev __P((KBDC)); -static int get_mouse_status __P((KBDC, int *, int, int)); -static int get_aux_id __P((KBDC)); -static int set_mouse_sampling_rate __P((KBDC, int)); -static int set_mouse_scaling __P((KBDC, int)); -static int set_mouse_resolution __P((KBDC, int)); -#ifdef PSM_RESETAFTERSUSPEND -static int set_mouse_mode __P((KBDC)); -#endif /* PSM_RESETAFTERSUSPEND */ -static int get_mouse_buttons __P((KBDC)); -static int is_a_mouse __P((int)); -static void recover_from_error __P((KBDC)); -static int restore_controller __P((KBDC, int)); -#ifdef PSM_RESETAFTERSUSPEND -static int reinitialize __P((int, mousemode_t *)); -#endif -static int doopen __P((int, int)); -static char *model_name(int); -static ointhand2_t psmintr; - -/* vendor specific features */ -typedef int probefunc_t __P((struct psm_softc *)); - -static int mouse_id_proc1 __P((KBDC, int, int, int *)); -static probefunc_t enable_groller; -static probefunc_t enable_gmouse; -static probefunc_t enable_aglide; -static probefunc_t enable_kmouse; -static probefunc_t enable_msintelli; -static probefunc_t enable_mmanplus; -static int tame_mouse __P((struct psm_softc *, mousestatus_t *, unsigned char *)); - -static struct { - int model; - unsigned char syncmask; - int packetsize; - probefunc_t *probefunc; -} vendortype[] = { - { MOUSE_MODEL_NET, /* Genius NetMouse */ - 0xc8, MOUSE_INTELLI_PACKETSIZE, enable_gmouse, }, - { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ - 0xc8, 6, enable_groller, }, - { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ - 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, - { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ - 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, - { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ - 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, - { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ - 0xc8, MOUSE_INTELLI_PACKETSIZE, enable_msintelli, }, - { MOUSE_MODEL_GENERIC, - 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, -}; -#define GENERIC_MOUSE_ENTRY 6 - -/* device driver declarateion */ -struct isa_driver psmdriver = { psmprobe, psmattach, "psm", FALSE }; -#define CDEV_MAJOR 21 - -static struct cdevsw psm_cdevsw = { - psmopen, psmclose, psmread, nowrite, /* 21 */ - psmioctl, nostop, nullreset, nodevtotty, - psmpoll, nommap, NULL, "psm", NULL, -1 -}; - -/* debug message level */ -static int verbose = PSM_DEBUG; - -/* device I/O routines */ -static int -enable_aux_dev(KBDC kbdc) -{ - int res; - - res = send_aux_command(kbdc, PSMC_ENABLE_DEV); - if (verbose >= 2) - log(LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res); - - return (res == PSM_ACK); -} - -static int -disable_aux_dev(KBDC kbdc) -{ - int res; - - res = send_aux_command(kbdc, PSMC_DISABLE_DEV); - if (verbose >= 2) - log(LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res); - - return (res == PSM_ACK); -} - -static int -get_mouse_status(KBDC kbdc, int *status, int flag, int len) -{ - int cmd; - int res; - int i; - - switch (flag) { - case 0: - default: - cmd = PSMC_SEND_DEV_STATUS; - break; - case 1: - cmd = PSMC_SEND_DEV_DATA; - break; - } - empty_aux_buffer(kbdc, 5); - res = send_aux_command(kbdc, cmd); - if (verbose >= 2) - log(LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", - (flag == 1) ? "DATA" : "STATUS", res); - if (res != PSM_ACK) - return 0; - - for (i = 0; i < len; ++i) { - status[i] = read_aux_data(kbdc); - if (status[i] < 0) - break; - } - - if (verbose) { - log(LOG_DEBUG, "psm: %s %02x %02x %02x\n", - (flag == 1) ? "data" : "status", status[0], status[1], status[2]); - } - - return i; -} - -static int -get_aux_id(KBDC kbdc) -{ - int res; - int id; - - empty_aux_buffer(kbdc, 5); - res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); - if (verbose >= 2) - log(LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res); - if (res != PSM_ACK) - return (-1); - - /* 10ms delay */ - DELAY(10000); - - id = read_aux_data(kbdc); - if (verbose >= 2) - log(LOG_DEBUG, "psm: device ID: %04x\n", id); - - return id; -} - -static int -set_mouse_sampling_rate(KBDC kbdc, int rate) -{ - int res; - - res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); - if (verbose >= 2) - log(LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res); - - return ((res == PSM_ACK) ? rate : -1); -} - -static int -set_mouse_scaling(KBDC kbdc, int scale) -{ - int res; - - switch (scale) { - case 1: - default: - scale = PSMC_SET_SCALING11; - break; - case 2: - scale = PSMC_SET_SCALING21; - break; - } - res = send_aux_command(kbdc, scale); - if (verbose >= 2) - log(LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", - (scale == PSMC_SET_SCALING21) ? "21" : "11", res); - - return (res == PSM_ACK); -} - -/* `val' must be 0 through PSMD_MAX_RESOLUTION */ -static int -set_mouse_resolution(KBDC kbdc, int val) -{ - int res; - - res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); - if (verbose >= 2) - log(LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res); - - return ((res == PSM_ACK) ? val : -1); -} - -#ifdef PSM_RESETAFTERSUSPEND -/* - * NOTE: once `set_mouse_mode()' is called, the mouse device must be - * re-enabled by calling `enable_aux_dev()' - */ -static int -set_mouse_mode(KBDC kbdc) -{ - int res; - - res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); - if (verbose >= 2) - log(LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res); - - return (res == PSM_ACK); -} -#endif /* PSM_RESETAFTERSUSPEND */ - - -static int -get_mouse_buttons(KBDC kbdc) -{ - int c = 2; /* assume two buttons by default */ - int status[3]; - - /* - * NOTE: a special sequence to obtain Logitech Mouse specific - * information: set resolution to 25 ppi, set scaling to 1:1, set - * scaling to 1:1, set scaling to 1:1. Then the second byte of the - * mouse status bytes is the number of available buttons. - * Some manufactures also support this sequence. - */ - if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) - return c; - if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) - && set_mouse_scaling(kbdc, 1) - && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { - if (status[1] != 0) - return status[1]; - } - return c; -} - -/* misc subroutines */ -/* - * Someday, I will get the complete list of valid pointing devices and - * their IDs... XXX - */ -static int -is_a_mouse(int id) -{ -#if 0 - static int valid_ids[] = { - PSM_MOUSE_ID, /* mouse */ - PSM_BALLPOINT_ID, /* ballpoint device */ - PSM_INTELLI_ID, /* Intellimouse */ - -1 /* end of table */ - }; - int i; - - for (i = 0; valid_ids[i] >= 0; ++i) - if (valid_ids[i] == id) - return TRUE; - return FALSE; -#else - return TRUE; -#endif -} - -static char * -model_name(int model) -{ - static struct { - int model_code; - char *model_name; - } models[] = { - { MOUSE_MODEL_NETSCROLL, "NetScroll Mouse" }, - { MOUSE_MODEL_NET, "NetMouse" }, - { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, - { MOUSE_MODEL_THINK, "ThinkingMouse" }, - { MOUSE_MODEL_INTELLI, "IntelliMouse" }, - { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, - { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, - { MOUSE_MODEL_UNKNOWN, NULL }, - }; - int i; - - for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { - if (models[i].model_code == model) - return models[i].model_name; - } - return "Unknown"; -} - -static void -recover_from_error(KBDC kbdc) -{ - /* discard anything left in the output buffer */ - empty_both_buffers(kbdc, 10); - -#if 0 - /* - * NOTE: KBDC_RESET_KBD may not restore the communication between the - * keyboard and the controller. - */ - reset_kbd(kbdc); -#else - /* - * NOTE: somehow diagnostic and keyboard port test commands bring the - * keyboard back. - */ - if (!test_controller(kbdc)) - log(LOG_ERR, "psm: keyboard controller failed.\n"); - /* if there isn't a keyboard in the system, the following error is OK */ - if (test_kbd_port(kbdc) != 0) { - if (verbose) - log(LOG_ERR, "psm: keyboard port failed.\n"); - } -#endif -} - -static int -restore_controller(KBDC kbdc, int command_byte) -{ - empty_both_buffers(kbdc, 10); - - if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { - log(LOG_ERR, "psm: failed to restore the keyboard controller " - "command byte.\n"); - return FALSE; - } else { - return TRUE; - } -} - -#ifdef PSM_RESETAFTERSUSPEND -/* - * Re-initialize the aux port and device. The aux port must be enabled - * and its interrupt must be disabled before calling this routine. - * The aux device will be disabled before returning. - * The keyboard controller must be locked via `kbdc_lock()' before - * calling this routine. - */ -static int -reinitialize(int unit, mousemode_t *mode) -{ - struct psm_softc *sc = psm_softc[unit]; - KBDC kbdc = psm_softc[unit]->kbdc; - int stat[3]; - int i; - - switch((i = test_aux_port(kbdc))) { - case 1: /* ignore this error */ - case PSM_ACK: - if (verbose) - log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", - unit, i); - /* fall though */ - case 0: /* no error */ - break; - case -1: /* time out */ - default: /* error */ - recover_from_error(kbdc); - if (sc->config & PSM_CONFIG_IGNPORTERROR) - break; - log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", - unit, i); - return FALSE; - } - - if (sc->config & PSM_CONFIG_NORESET) { - /* - * Don't try to reset the pointing device. It may possibly be - * left in the unknown state, though... - */ - } else { - /* - * NOTE: some controllers appears to hang the `keyboard' when - * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. - */ - if (!reset_aux_dev(kbdc)) { - recover_from_error(kbdc); - log(LOG_ERR, "psm%d: failed to reset the aux device.\n", unit); - return FALSE; - } - } - - /* - * both the aux port and the aux device is functioning, see - * if the device can be enabled. - */ - if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { - log(LOG_ERR, "psm%d: failed to enable the aux device.\n", unit); - return FALSE; - } - empty_both_buffers(kbdc, 10); /* remove stray data if any */ - - if (sc->config & PSM_CONFIG_NOIDPROBE) { - i = GENERIC_MOUSE_ENTRY; - } else { - /* FIXME: hardware ID, mouse buttons? */ - - /* other parameters */ - for (i = 0; vendortype[i].probefunc != NULL; ++i) { - if ((*vendortype[i].probefunc)(sc)) { - if (verbose >= 2) - log(LOG_ERR, "psm%d: found %s\n", - unit, model_name(vendortype[i].model)); - break; - } - } - } - - sc->hw.model = vendortype[i].model; - sc->mode.packetsize = vendortype[i].packetsize; - - /* set mouse parameters */ - if (mode != (mousemode_t *)NULL) { - if (mode->rate > 0) - mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); - if (mode->resolution >= 0) - mode->resolution = set_mouse_resolution(kbdc, mode->resolution); - set_mouse_scaling(kbdc, 1); - set_mouse_mode(kbdc); - } - - /* request a data packet and extract sync. bits */ - if (get_mouse_status(kbdc, stat, 1, 3) < 3) { - log(LOG_DEBUG, "psm%d: failed to get data (reinitialize).\n", unit); - sc->mode.syncmask[0] = 0; - } else { - sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ - /* the NetScroll Mouse will send three more bytes... Ignore them */ - empty_aux_buffer(kbdc, 5); - } - - /* just check the status of the mouse */ - if (get_mouse_status(kbdc, stat, 0, 3) < 3) - log(LOG_DEBUG, "psm%d: failed to get status (reinitialize).\n", unit); - - return TRUE; -} -#endif /* PSM_RESETAFTERSUSPEND */ - -static int -doopen(int unit, int command_byte) -{ - struct psm_softc *sc = psm_softc[unit]; - int stat[3]; - - /* enable the mouse device */ - if (!enable_aux_dev(sc->kbdc)) { - /* MOUSE ERROR: failed to enable the mouse because: - * 1) the mouse is faulty, - * 2) the mouse has been removed(!?) - * In the latter case, the keyboard may have hung, and need - * recovery procedure... - */ - recover_from_error(sc->kbdc); -#if 0 - /* FIXME: we could reset the mouse here and try to enable - * it again. But it will take long time and it's not a good - * idea to disable the keyboard that long... - */ - if (!reinitialize(unit, &sc->mode) || !enable_aux_dev(sc->kbdc)) { - recover_from_error(sc->kbdc); -#else - { -#endif - restore_controller(sc->kbdc, command_byte); - /* mark this device is no longer available */ - sc->state &= ~PSM_VALID; - log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", - unit); - return (EIO); - } - } - - if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) - log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", unit); - - /* enable the aux port and interrupt */ - if (!set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - (command_byte & KBD_KBD_CONTROL_BITS) - | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { - /* CONTROLLER ERROR */ - disable_aux_dev(sc->kbdc); - restore_controller(sc->kbdc, command_byte); - log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", - unit); - return (EIO); - } - - return (0); -} - -/* psm driver entry points */ - -#define endprobe(v) { if (bootverbose) \ - --verbose; \ - kbdc_set_device_mask(sc->kbdc, mask); \ - kbdc_lock(sc->kbdc, FALSE); \ - free(sc, M_DEVBUF); \ - return (v); \ - } - -static int -psmprobe(struct isa_device *dvp) -{ - int unit = dvp->id_unit; - struct psm_softc *sc; - int stat[3]; - int command_byte; - int mask; - int i; - - /* validate unit number */ - if (unit >= NPSM) - return (0); - - psm_softc[unit] = NULL; - - sc = malloc(sizeof *sc, M_DEVBUF, M_NOWAIT); - if (sc == NULL) - return (0); - bzero(sc, sizeof *sc); - -#if 0 - kbdc_debug(TRUE); -#endif - sc->addr = dvp->id_iobase; - sc->kbdc = kbdc_open(sc->addr); - sc->config = dvp->id_flags & PSM_CONFIG_FLAGS; - sc->flags = 0; - if (bootverbose) - ++verbose; - - if (!kbdc_lock(sc->kbdc, TRUE)) { - printf("psm%d: unable to lock the controller.\n", unit); - if (bootverbose) - --verbose; - free(sc, M_DEVBUF); - return (0); - } - - /* - * NOTE: two bits in the command byte controls the operation of the - * aux port (mouse port): the aux port disable bit (bit 5) and the aux - * port interrupt (IRQ 12) enable bit (bit 2). - */ - - /* discard anything left after the keyboard initialization */ - empty_both_buffers(sc->kbdc, 10); - - /* save the current command byte; it will be used later */ - mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; - command_byte = get_controller_command_byte(sc->kbdc); - if (verbose) - printf("psm%d: current command byte:%04x\n", unit, command_byte); - if (command_byte == -1) { - /* CONTROLLER ERROR */ - printf("psm%d: unable to get the current command byte value.\n", - unit); - endprobe(0); - } - - /* - * disable the keyboard port while probing the aux port, which must be - * enabled during this routine - */ - if (!set_controller_command_byte(sc->kbdc, - KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, - KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT - | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* - * this is CONTROLLER ERROR; I don't know how to recover - * from this error... - */ - restore_controller(sc->kbdc, command_byte); - printf("psm%d: unable to set the command byte.\n", unit); - endprobe(0); - } - write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); - - /* - * NOTE: `test_aux_port()' is designed to return with zero if the aux - * port exists and is functioning. However, some controllers appears - * to respond with zero even when the aux port doesn't exist. (It may - * be that this is only the case when the controller DOES have the aux - * port but the port is not wired on the motherboard.) The keyboard - * controllers without the port, such as the original AT, are - * supporsed to return with an error code or simply time out. In any - * case, we have to continue probing the port even when the controller - * passes this test. - * - * XXX: some controllers erroneously return the error code 1 when - * it has the perfectly functional aux port. We have to ignore this - * error code. Even if the controller HAS error with the aux port, - * it will be detected later... - * XXX: another incompatible controller returns PSM_ACK (0xfa)... - */ - switch ((i = test_aux_port(sc->kbdc))) { - case 1: /* ignore this error */ - case PSM_ACK: - if (verbose) - printf("psm%d: strange result for test aux port (%d).\n", - unit, i); - /* fall though */ - case 0: /* no error */ - break; - case -1: /* time out */ - default: /* error */ - recover_from_error(sc->kbdc); - if (sc->config & PSM_CONFIG_IGNPORTERROR) - break; - restore_controller(sc->kbdc, command_byte); - if (verbose) - printf("psm%d: the aux port is not functioning (%d).\n", - unit, i); - endprobe(0); - } - - if (sc->config & PSM_CONFIG_NORESET) { - /* - * Don't try to reset the pointing device. It may possibly be - * left in the unknown state, though... - */ - } else { - /* - * NOTE: some controllers appears to hang the `keyboard' when the aux - * port doesn't exist and `PSMC_RESET_DEV' is issued. - */ - if (!reset_aux_dev(sc->kbdc)) { - recover_from_error(sc->kbdc); - restore_controller(sc->kbdc, command_byte); - if (verbose) - printf("psm%d: failed to reset the aux device.\n", unit); - endprobe(0); - } - } - - /* - * both the aux port and the aux device is functioning, see if the - * device can be enabled. NOTE: when enabled, the device will start - * sending data; we shall immediately disable the device once we know - * the device can be enabled. - */ - if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { - /* MOUSE ERROR */ - recover_from_error(sc->kbdc); - restore_controller(sc->kbdc, command_byte); - if (verbose) - printf("psm%d: failed to enable the aux device.\n", unit); - endprobe(0); - } - - /* save the default values after reset */ - if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { - sc->dflt_mode.rate = sc->mode.rate = stat[2]; - sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; - } else { - sc->dflt_mode.rate = sc->mode.rate = -1; - sc->dflt_mode.resolution = sc->mode.resolution = -1; - } - - /* hardware information */ - sc->hw.iftype = MOUSE_IF_PS2; - - /* verify the device is a mouse */ - sc->hw.hwid = get_aux_id(sc->kbdc); - if (!is_a_mouse(sc->hw.hwid)) { - restore_controller(sc->kbdc, command_byte); - if (verbose) - printf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); - endprobe(0); - } - switch (sc->hw.hwid) { - case PSM_BALLPOINT_ID: - sc->hw.type = MOUSE_TRACKBALL; - break; - case PSM_MOUSE_ID: - case PSM_INTELLI_ID: - sc->hw.type = MOUSE_MOUSE; - break; - default: - sc->hw.type = MOUSE_UNKNOWN; - break; - } - - if (sc->config & PSM_CONFIG_NOIDPROBE) { - sc->hw.buttons = 2; - i = GENERIC_MOUSE_ENTRY; - } else { - /* # of buttons */ - sc->hw.buttons = get_mouse_buttons(sc->kbdc); - - /* other parameters */ - for (i = 0; vendortype[i].probefunc != NULL; ++i) { - if ((*vendortype[i].probefunc)(sc)) { - if (verbose >= 2) - printf("psm%d: found %s\n", - unit, model_name(vendortype[i].model)); - break; - } - } - } - - sc->hw.model = vendortype[i].model; - - sc->dflt_mode.level = PSM_LEVEL_BASE; - sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; - sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; - if (sc->config & PSM_CONFIG_NOCHECKSYNC) - sc->dflt_mode.syncmask[0] = 0; - else - sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; - if (sc->config & PSM_CONFIG_FORCETAP) - sc->mode.syncmask[0] &= ~MOUSE_PS2_TAP; - sc->dflt_mode.syncmask[1] = 0; /* syncbits */ - sc->mode = sc->dflt_mode; - sc->mode.packetsize = vendortype[i].packetsize; - - /* set mouse parameters */ - i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); - if (verbose >= 2) - printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); - if (sc->config & PSM_CONFIG_RESOLUTION) { - sc->mode.resolution - = set_mouse_resolution(sc->kbdc, - (sc->config & PSM_CONFIG_RESOLUTION) - 1); - } - - /* request a data packet and extract sync. bits */ - if (get_mouse_status(sc->kbdc, stat, 1, 3) < 3) { - printf("psm%d: failed to get data.\n", unit); - sc->mode.syncmask[0] = 0; - } else { - sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ - /* the NetScroll Mouse will send three more bytes... Ignore them */ - empty_aux_buffer(sc->kbdc, 5); - } - - /* just check the status of the mouse */ - /* - * NOTE: XXX there are some arcane controller/mouse combinations out - * there, which hung the controller unless there is data transmission - * after ACK from the mouse. - */ - if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { - printf("psm%d: failed to get status.\n", unit); - } else { - /* - * When in its native mode, some mice operate with different - * default parameters than in the PS/2 compatible mode. - */ - sc->dflt_mode.rate = sc->mode.rate = stat[2]; - sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; - } - - /* disable the aux port for now... */ - if (!set_controller_command_byte(sc->kbdc, - KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, - (command_byte & KBD_KBD_CONTROL_BITS) - | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* - * this is CONTROLLER ERROR; I don't know the proper way to - * recover from this error... - */ - restore_controller(sc->kbdc, command_byte); - printf("psm%d: unable to set the command byte.\n", unit); - endprobe(0); - } - - /* done */ - psm_softc[unit] = sc; - kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); - kbdc_lock(sc->kbdc, FALSE); - return ((dvp->id_iobase < 0) ? -1 : IO_PSMSIZE); -} - -static int -psmattach(struct isa_device *dvp) -{ - int unit = dvp->id_unit; - struct psm_softc *sc = psm_softc[unit]; - - dvp->id_ointr = psmintr; - - if (sc == NULL) /* shouldn't happen */ - return (0); - - /* Setup initial state */ - sc->state = PSM_VALID; - - /* Done */ -#ifdef DEVFS - sc->devfs_token = - devfs_add_devswf(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), - DV_CHR, 0, 0, 0666, "psm%d", unit); - sc->b_devfs_token = - devfs_add_devswf(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), - DV_CHR, 0, 0, 0666, "bpsm%d", unit); -#endif /* DEVFS */ - -#ifdef PSM_HOOKAPM - sc->resumehook.ah_name = "PS/2 mouse"; - sc->resumehook.ah_fun = psmresume; - sc->resumehook.ah_arg = (void *)unit; - sc->resumehook.ah_order = APM_MID_ORDER; - apm_hook_establish(APM_HOOK_RESUME , &sc->resumehook); - if (verbose) - printf("psm%d: APM hooks installed.\n", unit); -#endif /* PSM_HOOKAPM */ - - if (!verbose) { - printf("psm%d: model %s, device ID %d\n", - unit, model_name(sc->hw.model), sc->hw.hwid); - } else { - printf("psm%d: model %s, device ID %d, %d buttons\n", - unit, model_name(sc->hw.model), sc->hw.hwid, sc->hw.buttons); - printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", - unit, sc->config, sc->flags, sc->mode.packetsize); - printf("psm%d: syncmask:%02x, syncbits:%02x\n", - unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); - } - - if (bootverbose) - --verbose; - - return (1); -} - -static int -psmopen(dev_t dev, int flag, int fmt, struct proc *p) -{ - int unit = PSM_UNIT(dev); - struct psm_softc *sc; - int command_byte; - int err; - int s; - - /* Validate unit number */ - if (unit >= NPSM) - return (ENXIO); - - /* Get device data */ - sc = psm_softc[unit]; - if ((sc == NULL) || (sc->state & PSM_VALID) == 0) - /* the device is no longer valid/functioning */ - return (ENXIO); - - /* Disallow multiple opens */ - if (sc->state & PSM_OPEN) - return (EBUSY); - - /* Initialize state */ - sc->rsel.si_flags = 0; - sc->rsel.si_pid = 0; - sc->mode.level = sc->dflt_mode.level; - sc->mode.protocol = sc->dflt_mode.protocol; - - /* flush the event queue */ - sc->queue.count = 0; - sc->queue.head = 0; - sc->queue.tail = 0; - sc->status.flags = 0; - sc->status.button = 0; - sc->status.obutton = 0; - sc->status.dx = 0; - sc->status.dy = 0; - sc->status.dz = 0; - sc->button = 0; - - /* empty input buffer */ - bzero(sc->ipacket, sizeof(sc->ipacket)); - sc->inputbytes = 0; - - /* don't let timeout routines in the keyboard driver to poll the kbdc */ - if (!kbdc_lock(sc->kbdc, TRUE)) - return (EIO); - - /* save the current controller command byte */ - s = spltty(); - command_byte = get_controller_command_byte(sc->kbdc); - - /* enable the aux port and temporalily disable the keyboard */ - if ((command_byte == -1) - || !set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT - | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* CONTROLLER ERROR; do you know how to get out of this? */ - kbdc_lock(sc->kbdc, FALSE); - splx(s); - log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", - unit); - return (EIO); - } - /* - * Now that the keyboard controller is told not to generate - * the keyboard and mouse interrupts, call `splx()' to allow - * the other tty interrupts. The clock interrupt may also occur, - * but timeout routines will be blocked by the poll flag set - * via `kbdc_lock()' - */ - splx(s); - - /* enable the mouse device */ - err = doopen(unit, command_byte); - - /* done */ - if (err == 0) - sc->state |= PSM_OPEN; - kbdc_lock(sc->kbdc, FALSE); - return (err); -} - -static int -psmclose(dev_t dev, int flag, int fmt, struct proc *p) -{ - struct psm_softc *sc = psm_softc[PSM_UNIT(dev)]; - int stat[3]; - int command_byte; - int s; - - /* don't let timeout routines in the keyboard driver to poll the kbdc */ - if (!kbdc_lock(sc->kbdc, TRUE)) - return (EIO); - - /* save the current controller command byte */ - s = spltty(); - command_byte = get_controller_command_byte(sc->kbdc); - if (command_byte == -1) { - kbdc_lock(sc->kbdc, FALSE); - splx(s); - return (EIO); - } - - /* disable the aux interrupt and temporalily disable the keyboard */ - if (!set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT - | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", - PSM_UNIT(dev)); - /* CONTROLLER ERROR; - * NOTE: we shall force our way through. Because the only - * ill effect we shall see is that we may not be able - * to read ACK from the mouse, and it doesn't matter much - * so long as the mouse will accept the DISABLE command. - */ - } - splx(s); - - /* remove anything left in the output buffer */ - empty_aux_buffer(sc->kbdc, 10); - - /* disable the aux device, port and interrupt */ - if (sc->state & PSM_VALID) { - if (!disable_aux_dev(sc->kbdc)) { - /* MOUSE ERROR; - * NOTE: we don't return error and continue, pretending - * we have successfully disabled the device. It's OK because - * the interrupt routine will discard any data from the mouse - * hereafter. - */ - log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", - PSM_UNIT(dev)); - } - - if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) - log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", - PSM_UNIT(dev)); - } - - if (!set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - (command_byte & KBD_KBD_CONTROL_BITS) - | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* CONTROLLER ERROR; - * we shall ignore this error; see the above comment. - */ - log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", - PSM_UNIT(dev)); - } - - /* remove anything left in the output buffer */ - empty_aux_buffer(sc->kbdc, 10); - - /* close is almost always successful */ - sc->state &= ~PSM_OPEN; - kbdc_lock(sc->kbdc, FALSE); - return (0); -} - -static int -tame_mouse(struct psm_softc *sc, mousestatus_t *status, unsigned char *buf) -{ - static unsigned char butmapps2[8] = { - 0, - MOUSE_PS2_BUTTON1DOWN, - MOUSE_PS2_BUTTON2DOWN, - MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, - MOUSE_PS2_BUTTON3DOWN, - MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, - MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, - MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, - }; - static unsigned char butmapmsc[8] = { - MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, - MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, - MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, - MOUSE_MSC_BUTTON3UP, - MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, - MOUSE_MSC_BUTTON2UP, - MOUSE_MSC_BUTTON1UP, - 0, - }; - int mapped; - int i; - - if (sc->mode.level == PSM_LEVEL_BASE) { - mapped = status->button & ~MOUSE_BUTTON4DOWN; - if (status->button & MOUSE_BUTTON4DOWN) - mapped |= MOUSE_BUTTON1DOWN; - status->button = mapped; - buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; - i = max(min(status->dx, 255), -256); - if (i < 0) - buf[0] |= MOUSE_PS2_XNEG; - buf[1] = i; - i = max(min(status->dy, 255), -256); - if (i < 0) - buf[0] |= MOUSE_PS2_YNEG; - buf[2] = i; - return MOUSE_PS2_PACKETSIZE; - } else if (sc->mode.level == PSM_LEVEL_STANDARD) { - buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; - i = max(min(status->dx, 255), -256); - buf[1] = i >> 1; - buf[3] = i - buf[1]; - i = max(min(status->dy, 255), -256); - buf[2] = i >> 1; - buf[4] = i - buf[2]; - i = max(min(status->dz, 127), -128); - buf[5] = (i >> 1) & 0x7f; - buf[6] = (i - (i >> 1)) & 0x7f; - buf[7] = (~status->button >> 3) & 0x7f; - return MOUSE_SYS_PACKETSIZE; - } - return sc->inputbytes;; -} - -static int -psmread(dev_t dev, struct uio *uio, int flag) -{ - register struct psm_softc *sc = psm_softc[PSM_UNIT(dev)]; - unsigned char buf[PSM_SMALLBUFSIZE]; - int error = 0; - int s; - int l; - - if ((sc->state & PSM_VALID) == 0) - return EIO; - - /* block until mouse activity occured */ - s = spltty(); - while (sc->queue.count <= 0) { - if (PSM_NBLOCKIO(dev)) { - splx(s); - return EWOULDBLOCK; - } - sc->state |= PSM_ASLP; - error = tsleep((caddr_t) sc, PZERO | PCATCH, "psmrea", 0); - sc->state &= ~PSM_ASLP; - if (error) { - splx(s); - return error; - } else if ((sc->state & PSM_VALID) == 0) { - /* the device disappeared! */ - splx(s); - return EIO; - } - } - splx(s); - - /* copy data to the user land */ - while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { - s = spltty(); - l = min(sc->queue.count, uio->uio_resid); - if (l > sizeof(buf)) - l = sizeof(buf); - if (l > sizeof(sc->queue.buf) - sc->queue.head) { - bcopy(&sc->queue.buf[sc->queue.head], &buf[0], - sizeof(sc->queue.buf) - sc->queue.head); - bcopy(&sc->queue.buf[0], - &buf[sizeof(sc->queue.buf) - sc->queue.head], - l - (sizeof(sc->queue.buf) - sc->queue.head)); - } else { - bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); - } - sc->queue.count -= l; - sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); - splx(s); - error = uiomove(buf, l, uio); - if (error) - break; - } - - return error; -} - -static int -block_mouse_data(struct psm_softc *sc, int *c) -{ - int s; - - if (!kbdc_lock(sc->kbdc, TRUE)) - return EIO; - - s = spltty(); - *c = get_controller_command_byte(sc->kbdc); - if ((*c == -1) - || !set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT - | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* this is CONTROLLER ERROR */ - splx(s); - kbdc_lock(sc->kbdc, FALSE); - return EIO; - } - - /* - * The device may be in the middle of status data transmission. - * The transmission will be interrupted, thus, incomplete status - * data must be discarded. Although the aux interrupt is disabled - * at the keyboard controller level, at most one aux interrupt - * may have already been pending and a data byte is in the - * output buffer; throw it away. Note that the second argument - * to `empty_aux_buffer()' is zero, so that the call will just - * flush the internal queue. - * `psmintr()' will be invoked after `splx()' if an interrupt is - * pending; it will see no data and returns immediately. - */ - empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ - read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ - sc->inputbytes = 0; - splx(s); - - return 0; -} - -static int -unblock_mouse_data(struct psm_softc *sc, int c) -{ - int error = 0; - - /* - * We may have seen a part of status data during `set_mouse_XXX()'. - * they have been queued; flush it. - */ - empty_aux_buffer(sc->kbdc, 0); - - /* restore ports and interrupt */ - if (!set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { - /* CONTROLLER ERROR; this is serious, we may have - * been left with the inaccessible keyboard and - * the disabled mouse interrupt. - */ - error = EIO; - } - - kbdc_lock(sc->kbdc, FALSE); - return error; -} - -static int -psmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) -{ - struct psm_softc *sc = psm_softc[PSM_UNIT(dev)]; - mousemode_t mode; - mousestatus_t status; -#if (defined(MOUSE_GETVARS)) - mousevar_t *var; -#endif - mousedata_t *data; - int stat[3]; - int command_byte; - int error = 0; - int s; - - /* Perform IOCTL command */ - switch (cmd) { - - case OLD_MOUSE_GETHWINFO: - s = spltty(); - ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; - ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; - ((old_mousehw_t *)addr)->type = sc->hw.type; - ((old_mousehw_t *)addr)->hwid = sc->hw.hwid; - splx(s); - break; - - case MOUSE_GETHWINFO: - s = spltty(); - *(mousehw_t *)addr = sc->hw; - if (sc->mode.level == PSM_LEVEL_BASE) - ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; - splx(s); - break; - - case OLD_MOUSE_GETMODE: - s = spltty(); - switch (sc->mode.level) { - case PSM_LEVEL_BASE: - ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; - break; - case PSM_LEVEL_STANDARD: - ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; - break; - case PSM_LEVEL_NATIVE: - ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; - break; - } - ((old_mousemode_t *)addr)->rate = sc->mode.rate; - ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; - ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; - splx(s); - break; - - case MOUSE_GETMODE: - s = spltty(); - *(mousemode_t *)addr = sc->mode; - ((mousemode_t *)addr)->resolution = - MOUSE_RES_LOW - sc->mode.resolution; - switch (sc->mode.level) { - case PSM_LEVEL_BASE: - ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; - ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; - break; - case PSM_LEVEL_STANDARD: - ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; - ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; - ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; - ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; - break; - case PSM_LEVEL_NATIVE: - /* FIXME: this isn't quite correct... XXX */ - ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; - break; - } - splx(s); - break; - - case OLD_MOUSE_SETMODE: - case MOUSE_SETMODE: - if (cmd == OLD_MOUSE_SETMODE) { - mode.rate = ((old_mousemode_t *)addr)->rate; - /* - * resolution old I/F new I/F - * default 0 0 - * low 1 -2 - * medium low 2 -3 - * medium high 3 -4 - * high 4 -5 - */ - if (((old_mousemode_t *)addr)->resolution > 0) - mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; - mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; - mode.level = -1; - } else { - mode = *(mousemode_t *)addr; - } - - /* adjust and validate parameters. */ - if (mode.rate > UCHAR_MAX) - return EINVAL; - if (mode.rate == 0) - mode.rate = sc->dflt_mode.rate; - else if (mode.rate == -1) - /* don't change the current setting */ - ; - else if (mode.rate < 0) - return EINVAL; - if (mode.resolution >= UCHAR_MAX) - return EINVAL; - if (mode.resolution >= 200) - mode.resolution = MOUSE_RES_HIGH; - else if (mode.resolution >= 100) - mode.resolution = MOUSE_RES_MEDIUMHIGH; - else if (mode.resolution >= 50) - mode.resolution = MOUSE_RES_MEDIUMLOW; - else if (mode.resolution > 0) - mode.resolution = MOUSE_RES_LOW; - if (mode.resolution == MOUSE_RES_DEFAULT) - mode.resolution = sc->dflt_mode.resolution; - else if (mode.resolution == -1) - /* don't change the current setting */ - ; - else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ - mode.resolution = MOUSE_RES_LOW - mode.resolution; - if (mode.level == -1) - /* don't change the current setting */ - mode.level = sc->mode.level; - else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) - return EINVAL; - if (mode.accelfactor == -1) - /* don't change the current setting */ - mode.accelfactor = sc->mode.accelfactor; - else if (mode.accelfactor < 0) - return EINVAL; - - /* don't allow anybody to poll the keyboard controller */ - error = block_mouse_data(sc, &command_byte); - if (error) - return error; - - /* set mouse parameters */ - if (mode.rate > 0) - mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); - if (mode.resolution >= 0) - mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); - set_mouse_scaling(sc->kbdc, 1); - get_mouse_status(sc->kbdc, stat, 0, 3); - - s = spltty(); - sc->mode.rate = mode.rate; - sc->mode.resolution = mode.resolution; - sc->mode.accelfactor = mode.accelfactor; - sc->mode.level = mode.level; - splx(s); - - unblock_mouse_data(sc, command_byte); - break; - - case MOUSE_GETLEVEL: - *(int *)addr = sc->mode.level; - break; - - case MOUSE_SETLEVEL: - if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) - return EINVAL; - sc->mode.level = *(int *)addr; - break; - - case MOUSE_GETSTATUS: - s = spltty(); - status = sc->status; - sc->status.flags = 0; - sc->status.obutton = sc->status.button; - sc->status.button = 0; - sc->status.dx = 0; - sc->status.dy = 0; - sc->status.dz = 0; - splx(s); - *(mousestatus_t *)addr = status; - break; - -#if (defined(MOUSE_GETVARS)) - case MOUSE_GETVARS: - var = (mousevar_t *)addr; - bzero(var, sizeof(*var)); - s = spltty(); - var->var[0] = MOUSE_VARS_PS2_SIG; - var->var[1] = sc->config; - var->var[2] = sc->flags; - splx(s); - break; - - case MOUSE_SETVARS: - return ENODEV; -#endif /* MOUSE_GETVARS */ - - case MOUSE_READSTATE: - case MOUSE_READDATA: - data = (mousedata_t *)addr; - if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) - return EINVAL; - - error = block_mouse_data(sc, &command_byte); - if (error) - return error; - if ((data->len = get_mouse_status(sc->kbdc, data->buf, - (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) - error = EIO; - unblock_mouse_data(sc, command_byte); - break; - -#if (defined(MOUSE_SETRESOLUTION)) - case MOUSE_SETRESOLUTION: - mode.resolution = *(int *)addr; - if (mode.resolution >= UCHAR_MAX) - return EINVAL; - else if (mode.resolution >= 200) - mode.resolution = MOUSE_RES_HIGH; - else if (mode.resolution >= 100) - mode.resolution = MOUSE_RES_MEDIUMHIGH; - else if (mode.resolution >= 50) - mode.resolution = MOUSE_RES_MEDIUMLOW; - else if (mode.resolution > 0) - mode.resolution = MOUSE_RES_LOW; - if (mode.resolution == MOUSE_RES_DEFAULT) - mode.resolution = sc->dflt_mode.resolution; - else if (mode.resolution == -1) - mode.resolution = sc->mode.resolution; - else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ - mode.resolution = MOUSE_RES_LOW - mode.resolution; - - error = block_mouse_data(sc, &command_byte); - if (error) - return error; - sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); - if (sc->mode.resolution != mode.resolution) - error = EIO; - unblock_mouse_data(sc, command_byte); - break; -#endif /* MOUSE_SETRESOLUTION */ - -#if (defined(MOUSE_SETRATE)) - case MOUSE_SETRATE: - mode.rate = *(int *)addr; - if (mode.rate > UCHAR_MAX) - return EINVAL; - if (mode.rate == 0) - mode.rate = sc->dflt_mode.rate; - else if (mode.rate < 0) - mode.rate = sc->mode.rate; - - error = block_mouse_data(sc, &command_byte); - if (error) - return error; - sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); - if (sc->mode.rate != mode.rate) - error = EIO; - unblock_mouse_data(sc, command_byte); - break; -#endif /* MOUSE_SETRATE */ - -#if (defined(MOUSE_SETSCALING)) - case MOUSE_SETSCALING: - if ((*(int *)addr <= 0) || (*(int *)addr > 2)) - return EINVAL; - - error = block_mouse_data(sc, &command_byte); - if (error) - return error; - if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) - error = EIO; - unblock_mouse_data(sc, command_byte); - break; -#endif /* MOUSE_SETSCALING */ - -#if (defined(MOUSE_GETHWID)) - case MOUSE_GETHWID: - error = block_mouse_data(sc, &command_byte); - if (error) - return error; - sc->hw.hwid = get_aux_id(sc->kbdc); - *(int *)addr = sc->hw.hwid; - unblock_mouse_data(sc, command_byte); - break; -#endif /* MOUSE_GETHWID */ - - default: - return ENOTTY; - } - - return error; -} - -static void -psmintr(int unit) -{ - /* - * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) - * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). - */ - static int butmap[8] = { - 0, - MOUSE_BUTTON1DOWN, - MOUSE_BUTTON3DOWN, - MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, - MOUSE_BUTTON2DOWN, - MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, - MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, - MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN - }; - register struct psm_softc *sc = psm_softc[unit]; - mousestatus_t ms; - int x, y, z; - int c; - int l; - - /* read until there is nothing to read */ - while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { - - /* discard the byte if the device is not open */ - if ((sc->state & PSM_OPEN) == 0) - continue; - - /* - * Check sync bits. We check for overflow bits and the bit 3 - * for most mice. True, the code doesn't work if overflow - * condition occurs. But we expect it rarely happens... - */ - if ((sc->inputbytes == 0) - && ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1])) { - log(LOG_DEBUG, "psmintr: out of sync (%04x != %04x).\n", - c & sc->mode.syncmask[0], sc->mode.syncmask[1]); - continue; - } - - sc->ipacket[sc->inputbytes++] = c; - if (sc->inputbytes < sc->mode.packetsize) - continue; - -#if 0 - log(LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", - sc->ipacket[0], sc->ipacket[1], sc->ipacket[2], - sc->ipacket[3], sc->ipacket[4], sc->ipacket[5]); -#endif - - c = sc->ipacket[0]; - - /* - * A kludge for Kensington device! - * The MSB of the horizontal count appears to be stored in - * a strange place. This kludge doesn't affect other mice - * because the bit is the overflow bit which is, in most cases, - * expected to be zero when we reach here. XXX - */ - sc->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; - - /* ignore the overflow bits... */ - x = (c & MOUSE_PS2_XNEG) ? sc->ipacket[1] - 256 : sc->ipacket[1]; - y = (c & MOUSE_PS2_YNEG) ? sc->ipacket[2] - 256 : sc->ipacket[2]; - z = 0; - ms.obutton = sc->button; /* previous button state */ - ms.button = butmap[c & MOUSE_PS2_BUTTONS]; - /* `tapping' action */ - if (sc->config & PSM_CONFIG_FORCETAP) - ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; - - switch (sc->hw.model) { - - case MOUSE_MODEL_INTELLI: - case MOUSE_MODEL_NET: - /* wheel data is in the fourth byte */ - z = (char)sc->ipacket[3]; - break; - - case MOUSE_MODEL_MOUSEMANPLUS: - if ((c & ~MOUSE_PS2_BUTTONS) == 0xc8) { - /* the extended data packet encodes button and wheel events */ - x = y = 0; - z = (sc->ipacket[1] & MOUSE_PS2PLUS_ZNEG) - ? (sc->ipacket[2] & 0x0f) - 16 : (sc->ipacket[2] & 0x0f); - ms.button |= (sc->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) - ? MOUSE_BUTTON4DOWN : 0; - } else { - /* preserve button states */ - ms.button |= ms.obutton & MOUSE_EXTBUTTONS; - } - break; - - case MOUSE_MODEL_GLIDEPOINT: - /* `tapping' action */ - ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; - break; - - case MOUSE_MODEL_NETSCROLL: - /* three addtional bytes encode button and wheel events */ - ms.button |= (sc->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) - ? MOUSE_BUTTON4DOWN : 0; - z = (sc->ipacket[3] & MOUSE_PS2_XNEG) - ? sc->ipacket[4] - 256 : sc->ipacket[4]; - break; - - case MOUSE_MODEL_THINK: - /* the fourth button state in the first byte */ - ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; - break; - - case MOUSE_MODEL_GENERIC: - default: - break; - } - - /* scale values */ - if (sc->mode.accelfactor >= 1) { - if (x != 0) { - x = x * x / sc->mode.accelfactor; - if (x == 0) - x = 1; - if (c & MOUSE_PS2_XNEG) - x = -x; - } - if (y != 0) { - y = y * y / sc->mode.accelfactor; - if (y == 0) - y = 1; - if (c & MOUSE_PS2_YNEG) - y = -y; - } - } - - ms.dx = x; - ms.dy = y; - ms.dz = z; - ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) - | (ms.obutton ^ ms.button); - - if (sc->mode.level < PSM_LEVEL_NATIVE) - sc->inputbytes = tame_mouse(sc, &ms, sc->ipacket); - - sc->status.flags |= ms.flags; - sc->status.dx += ms.dx; - sc->status.dy += ms.dy; - sc->status.dz += ms.dz; - sc->status.button = ms.button; - sc->button = ms.button; - - /* queue data */ - if (sc->queue.count + sc->inputbytes < sizeof(sc->queue.buf)) { - l = min(sc->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); - bcopy(&sc->ipacket[0], &sc->queue.buf[sc->queue.tail], l); - if (sc->inputbytes > l) - bcopy(&sc->ipacket[l], &sc->queue.buf[0], sc->inputbytes - l); - sc->queue.tail = - (sc->queue.tail + sc->inputbytes) % sizeof(sc->queue.buf); - sc->queue.count += sc->inputbytes; - } - sc->inputbytes = 0; - - if (sc->state & PSM_ASLP) { - sc->state &= ~PSM_ASLP; - wakeup((caddr_t) sc); - } - selwakeup(&sc->rsel); - } -} - -static int -psmpoll(dev_t dev, int events, struct proc *p) -{ - struct psm_softc *sc = psm_softc[PSM_UNIT(dev)]; - int s; - int revents = 0; - - /* Return true if a mouse event available */ - s = spltty(); - if (events & (POLLIN | POLLRDNORM)) - if (sc->queue.count > 0) - revents |= events & (POLLIN | POLLRDNORM); - else - selrecord(p, &sc->rsel); - - splx(s); - - return (revents); -} - -/* vendor/model specific routines */ - -static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) -{ - if (set_mouse_resolution(kbdc, res) != res) - return FALSE; - if (set_mouse_scaling(kbdc, scale) - && set_mouse_scaling(kbdc, scale) - && set_mouse_scaling(kbdc, scale) - && (get_mouse_status(kbdc, status, 0, 3) >= 3)) - return TRUE; - return FALSE; -} - -#if notyet -/* Logitech MouseMan Cordless II */ -static int -enable_lcordless(struct psm_softc *sc) -{ - int status[3]; - int ch; - - if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) - return FALSE; - if (status[1] == PSMD_RES_HIGH) - return FALSE; - ch = (status[0] & 0x07) - 1; /* channel # */ - if ((ch <= 0) || (ch > 4)) - return FALSE; - /* - * status[1]: always one? - * status[2]: battery status? (0-100) - */ - return TRUE; -} -#endif /* notyet */ - -/* Genius NetScroll Mouse */ -static int -enable_groller(struct psm_softc *sc) -{ - int status[3]; - - /* - * The special sequence to enable the fourth button and the - * roller. Immediately after this sequence check status bytes. - * if the mouse is NetScroll, the second and the third bytes are - * '3' and 'D'. - */ - - /* - * If the mouse is an ordinary PS/2 mouse, the status bytes should - * look like the following. - * - * byte 1 bit 7 always 0 - * bit 6 stream mode (0) - * bit 5 disabled (0) - * bit 4 1:1 scaling (0) - * bit 3 always 0 - * bit 0-2 button status - * byte 2 resolution (PSMD_RES_HIGH) - * byte 3 report rate (?) - */ - - if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) - return FALSE; - if ((status[1] != '3') || (status[2] != 'D')) - return FALSE; - /* FIXME!! */ - sc->hw.buttons = get_mouse_buttons(sc->kbdc); - sc->hw.buttons = 4; - return TRUE; -} - -/* Genius NetMouse/NetMouse Pro */ -static int -enable_gmouse(struct psm_softc *sc) -{ - int status[3]; - - /* - * The special sequence to enable the middle, "rubber" button. - * Immediately after this sequence check status bytes. - * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, - * the second and the third bytes are '3' and 'U'. - * NOTE: NetMouse reports that it has three buttons although it has - * two buttons and a rubber button. NetMouse Pro and MIE Mouse - * say they have three buttons too and they do have a button on the - * side... - */ - if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) - return FALSE; - if ((status[1] != '3') || (status[2] != 'U')) - return FALSE; - return TRUE; -} - -/* ALPS GlidePoint */ -static int -enable_aglide(struct psm_softc *sc) -{ - int status[3]; - - /* - * The special sequence to obtain ALPS GlidePoint specific - * information. Immediately after this sequence, status bytes will - * contain something interesting. - * NOTE: ALPS produces several models of GlidePoint. Some of those - * do not respond to this sequence, thus, cannot be detected this way. - */ - if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) - return FALSE; - if ((status[0] & 0x10) || (status[1] == PSMD_RES_LOW)) - return FALSE; - return TRUE; -} - -/* Kensington ThinkingMouse/Trackball */ -static int -enable_kmouse(struct psm_softc *sc) -{ - static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; - KBDC kbdc = sc->kbdc; - int status[3]; - int id1; - int id2; - int i; - - id1 = get_aux_id(kbdc); - if (set_mouse_sampling_rate(kbdc, 10) != 10) - return FALSE; - /* - * The device is now in the native mode? It returns a different - * ID value... - */ - id2 = get_aux_id(kbdc); - if ((id1 == id2) || (id2 != 2)) - return FALSE; - - if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) - return FALSE; -#if PSM_DEBUG >= 2 - /* at this point, resolution is LOW, sampling rate is 10/sec */ - if (get_mouse_status(kbdc, status, 0, 3) < 3) - return FALSE; -#endif - - /* - * The special sequence to enable the third and fourth buttons. - * Otherwise they behave like the first and second buttons. - */ - for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { - if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) - return FALSE; - } - - /* - * At this point, the device is using default resolution and - * sampling rate for the native mode. - */ - if (get_mouse_status(kbdc, status, 0, 3) < 3) - return FALSE; - if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) - return FALSE; - - /* the device appears be enabled by this sequence, diable it for now */ - disable_aux_dev(kbdc); - empty_aux_buffer(kbdc, 5); - - return TRUE; -} - -/* Logitech MouseMan+/FirstMouse+ */ -static int -enable_mmanplus(struct psm_softc *sc) -{ - static char res[] = { - -1, PSMD_RES_LOW, PSMD_RES_HIGH, PSMD_RES_MEDIUM_HIGH, - PSMD_RES_MEDIUM_LOW, -1, PSMD_RES_HIGH, PSMD_RES_MEDIUM_LOW, - PSMD_RES_MEDIUM_HIGH, PSMD_RES_HIGH, - }; - KBDC kbdc = sc->kbdc; - int data[3]; - int i; - - /* the special sequence to enable the fourth button and the roller. */ - for (i = 0; i < sizeof(res)/sizeof(res[0]); ++i) { - if (res[i] < 0) { - if (!set_mouse_scaling(kbdc, 1)) - return FALSE; - } else { - if (set_mouse_resolution(kbdc, res[i]) != res[i]) - return FALSE; - } - } - - if (get_mouse_status(kbdc, data, 1, 3) < 3) - return FALSE; - - /* - * MouseMan+ and FirstMouse+ return following data. - * - * byte 1 0xc8 - * byte 2 ?? (MouseMan+:0xc2, FirstMouse+:0xc6) - * byte 3 model ID? MouseMan+:0x50, FirstMouse+:0x51 - */ - if ((data[0] & ~MOUSE_PS2_BUTTONS) != 0xc8) - return FALSE; - - /* - * MouseMan+ (or FirstMouse+) is now in its native mode, in which - * the wheel and the fourth button events are encoded in the - * special data packet. The mouse may be put in the IntelliMouse mode - * if it is initialized by the IntelliMouse's method. - */ - return TRUE; -} - -/* MS IntelliMouse */ -static int -enable_msintelli(struct psm_softc *sc) -{ - /* - * Logitech MouseMan+ and FirstMouse+ will also respond to this - * probe routine and act like IntelliMouse. - */ - - static unsigned char rate[] = { 200, 100, 80, }; - KBDC kbdc = sc->kbdc; - int id; - int i; - - /* the special sequence to enable the third button and the roller. */ - for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { - if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) - return FALSE; - } - /* the device will give the genuine ID only after the above sequence */ - id = get_aux_id(kbdc); - if (id != PSM_INTELLI_ID) - return FALSE; - - sc->hw.hwid = id; - sc->hw.buttons = 3; - - return TRUE; -} - -static int psm_devsw_installed = FALSE; - -static void -psm_drvinit(void *unused) -{ - dev_t dev; - - if (!psm_devsw_installed) { - dev = makedev(CDEV_MAJOR, 0); - cdevsw_add(&dev, &psm_cdevsw, NULL); - psm_devsw_installed = TRUE; - } -} - -#ifdef PSM_HOOKAPM -static int -psmresume(void *dummy) -{ - struct psm_softc *sc = psm_softc[(int)dummy]; - int unit = (int)dummy; - int err = 0; - int s; - int c; - - if (verbose >= 2) - log(LOG_NOTICE, "psm%d: APM resume hook called.\n", unit); - - /* don't let anybody mess with the aux device */ - if (!kbdc_lock(sc->kbdc, TRUE)) - return (EIO); - s = spltty(); - - /* save the current controller command byte */ - empty_both_buffers(sc->kbdc, 10); - c = get_controller_command_byte(sc->kbdc); - if (verbose >= 2) - log(LOG_DEBUG, "psm%d: current command byte: %04x (psmresume).\n", - unit, c); - - /* enable the aux port but disable the aux interrupt and the keyboard */ - if ((c == -1) || !set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT - | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* CONTROLLER ERROR */ - splx(s); - kbdc_lock(sc->kbdc, FALSE); - log(LOG_ERR, "psm%d: unable to set the command byte (psmresume).\n", - unit); - return (EIO); - } - - /* flush any data */ - if (sc->state & PSM_VALID) { - disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ - empty_aux_buffer(sc->kbdc, 10); - } - sc->inputbytes = 0; - -#ifdef PSM_RESETAFTERSUSPEND - /* try to detect the aux device; are you still there? */ - if (reinitialize(unit, &sc->mode)) { - /* yes */ - sc->state |= PSM_VALID; - } else { - /* the device has gone! */ - restore_controller(sc->kbdc, c); - sc->state &= ~PSM_VALID; - log(LOG_ERR, "psm%d: the aux device has gone! (psmresume).\n", - unit); - err = ENXIO; - } -#endif /* PSM_RESETAFTERSUSPEND */ - splx(s); - - /* restore the driver state */ - if ((sc->state & PSM_OPEN) && (err == 0)) { - /* enable the aux device and the port again */ - err = doopen(unit, c); - if (err != 0) - log(LOG_ERR, "psm%d: failed to enable the device (psmresume).\n", - unit); - } else { - /* restore the keyboard port and disable the aux port */ - if (!set_controller_command_byte(sc->kbdc, - kbdc_get_device_mask(sc->kbdc), - (c & KBD_KBD_CONTROL_BITS) - | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { - /* CONTROLLER ERROR */ - log(LOG_ERR, "psm%d: failed to disable the aux port (psmresume).\n", - unit); - err = EIO; - } - } - - /* done */ - kbdc_lock(sc->kbdc, FALSE); - if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { - /* - * Release the blocked process; it must be notified that the device - * cannot be accessed anymore. - */ - sc->state &= ~PSM_ASLP; - wakeup((caddr_t)sc); - } - - if (verbose >= 2) - log(LOG_DEBUG, "psm%d: APM resume hook exiting.\n", unit); - - return (err); -} -#endif /* PSM_HOOKAPM */ - -SYSINIT(psmdev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR, psm_drvinit, NULL) - -#endif /* NPSM > 0 */ -- cgit v1.1