/* * Copyright 1992 by the University of Guelph * * Permission to use, copy and modify this * software and its documentation for any purpose and without * fee is hereby granted, provided that the above copyright * notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting * documentation. * University of Guelph makes no representations about the suitability of * this software for any purpose. It is provided "as is" * without express or implied warranty. */ #include __FBSDID("$FreeBSD$"); /* * Driver for the Logitech and ATI Inport Bus mice for use with 386bsd and * the X386 port, courtesy of * Rick Macklem, rick@snowhite.cis.uoguelph.ca * Caveats: The driver currently uses spltty(), but doesn't use any * generic tty code. It could use splmse() (that only masks off the * bus mouse interrupt, but that would require hacking in i386/isa/icu.s. * (This may be worth the effort, since the Logitech generates 30/60 * interrupts/sec continuously while it is open.) * NB: The ATI has NOT been tested yet! */ /* * Modification history: * Sep 6, 1994 -- Lars Fredriksen(fredriks@mcs.com) * improved probe based on input from Logitech. * * Oct 19, 1992 -- E. Stark (stark@cs.sunysb.edu) * fixes to make it work with Microsoft InPort busmouse * * Jan, 1993 -- E. Stark (stark@cs.sunysb.edu) * added patches for new "select" interface * * May 4, 1993 -- E. Stark (stark@cs.sunysb.edu) * changed position of some spl()'s in mseread * * October 8, 1993 -- E. Stark (stark@cs.sunysb.edu) * limit maximum negative x/y value to -127 to work around XFree problem * that causes spurious button pushes. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* driver configuration flags (config) */ #define MSE_CONFIG_ACCEL 0x00f0 /* acceleration factor */ #define MSE_CONFIG_FLAGS (MSE_CONFIG_ACCEL) /* * Software control structure for mouse. The sc_enablemouse(), * sc_disablemouse() and sc_getmouse() routines must be called spl'd(). */ typedef struct mse_softc { int sc_flags; int sc_mousetype; struct selinfo sc_selp; struct resource *sc_port; struct resource *sc_intr; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; void *sc_ih; void (*sc_enablemouse)(bus_space_tag_t t, bus_space_handle_t h); void (*sc_disablemouse)(bus_space_tag_t t, bus_space_handle_t h); void (*sc_getmouse)(bus_space_tag_t t, bus_space_handle_t h, int *dx, int *dy, int *but); int sc_deltax; int sc_deltay; int sc_obuttons; int sc_buttons; int sc_bytesread; u_char sc_bytes[MOUSE_SYS_PACKETSIZE]; struct callout_handle sc_callout; int sc_watchdog; struct cdev *sc_dev; struct cdev *sc_ndev; mousehw_t hw; mousemode_t mode; mousestatus_t status; } mse_softc_t; static devclass_t mse_devclass; static int mse_probe(device_t dev); static int mse_attach(device_t dev); static int mse_detach(device_t dev); static device_method_t mse_methods[] = { DEVMETHOD(device_probe, mse_probe), DEVMETHOD(device_attach, mse_attach), DEVMETHOD(device_detach, mse_detach), { 0, 0 } }; static driver_t mse_driver = { "mse", mse_methods, sizeof(mse_softc_t), }; DRIVER_MODULE(mse, isa, mse_driver, mse_devclass, 0, 0); static struct isa_pnp_id mse_ids[] = { { 0x000fd041, "Bus mouse" }, /* PNP0F00 */ { 0x020fd041, "InPort mouse" }, /* PNP0F02 */ { 0x0d0fd041, "InPort mouse compatible" }, /* PNP0F0D */ { 0x110fd041, "Bus mouse compatible" }, /* PNP0F11 */ { 0x150fd041, "Logitech bus mouse" }, /* PNP0F15 */ { 0x180fd041, "Logitech bus mouse compatible" },/* PNP0F18 */ { 0 } }; static d_open_t mseopen; static d_close_t mseclose; static d_read_t mseread; static d_ioctl_t mseioctl; static d_poll_t msepoll; static struct cdevsw mse_cdevsw = { .d_version = D_VERSION, .d_flags = D_NEEDGIANT, .d_open = mseopen, .d_close = mseclose, .d_read = mseread, .d_ioctl = mseioctl, .d_poll = msepoll, .d_name = "mse", }; static void mseintr(void *); static timeout_t msetimeout; /* Flags */ #define MSESC_OPEN 0x1 #define MSESC_WANT 0x2 /* and Mouse Types */ #define MSE_NONE 0 /* don't move this! */ #define MSE_LOGITECH 0x1 #define MSE_ATIINPORT 0x2 #define MSE_LOGI_SIG 0xA5 #define MSE_PORTA 0 #define MSE_PORTB 1 #define MSE_PORTC 2 #define MSE_PORTD 3 #define MSE_IOSIZE 4 #define MSE_UNIT(dev) (minor(dev) >> 1) #define MSE_NBLOCKIO(dev) (minor(dev) & 0x1) /* * Logitech bus mouse definitions */ #define MSE_SETUP 0x91 /* What does this mean? */ /* The definition for the control port */ /* is as follows: */ /* D7 = Mode set flag (1 = active) */ /* D6,D5 = Mode selection (port A) */ /* 00 = Mode 0 = Basic I/O */ /* 01 = Mode 1 = Strobed I/O */ /* 10 = Mode 2 = Bi-dir bus */ /* D4 = Port A direction (1 = input)*/ /* D3 = Port C (upper 4 bits) */ /* direction. (1 = input) */ /* D2 = Mode selection (port B & C) */ /* 0 = Mode 0 = Basic I/O */ /* 1 = Mode 1 = Strobed I/O */ /* D1 = Port B direction (1 = input)*/ /* D0 = Port C (lower 4 bits) */ /* direction. (1 = input) */ /* So 91 means Basic I/O on all 3 ports,*/ /* Port A is an input port, B is an */ /* output port, C is split with upper */ /* 4 bits being an output port and lower*/ /* 4 bits an input port, and enable the */ /* sucker. */ /* Courtesy Intel 8255 databook. Lars */ #define MSE_HOLD 0x80 #define MSE_RXLOW 0x00 #define MSE_RXHIGH 0x20 #define MSE_RYLOW 0x40 #define MSE_RYHIGH 0x60 #define MSE_DISINTR 0x10 #define MSE_INTREN 0x00 static int mse_probelogi(device_t dev, mse_softc_t *sc); static void mse_disablelogi(bus_space_tag_t t, bus_space_handle_t h); static void mse_getlogi(bus_space_tag_t t, bus_space_handle_t h, int *dx, int *dy, int *but); static void mse_enablelogi(bus_space_tag_t t, bus_space_handle_t h); /* * ATI Inport mouse definitions */ #define MSE_INPORT_RESET 0x80 #define MSE_INPORT_STATUS 0x00 #define MSE_INPORT_DX 0x01 #define MSE_INPORT_DY 0x02 #define MSE_INPORT_MODE 0x07 #define MSE_INPORT_HOLD 0x20 #define MSE_INPORT_INTREN 0x09 static int mse_probeati(device_t dev, mse_softc_t *sc); static void mse_enableati(bus_space_tag_t t, bus_space_handle_t h); static void mse_disableati(bus_space_tag_t t, bus_space_handle_t h); static void mse_getati(bus_space_tag_t t, bus_space_handle_t h, int *dx, int *dy, int *but); #define MSEPRI (PZERO + 3) /* * Table of mouse types. * Keep the Logitech last, since I haven't figured out how to probe it * properly yet. (Someday I'll have the documentation.) */ static struct mse_types { int m_type; /* Type of bus mouse */ int (*m_probe)(device_t dev, mse_softc_t *sc); /* Probe routine to test for it */ void (*m_enable)(bus_space_tag_t t, bus_space_handle_t h); /* Start routine */ void (*m_disable)(bus_space_tag_t t, bus_space_handle_t h); /* Disable interrupts routine */ void (*m_get)(bus_space_tag_t t, bus_space_handle_t h, int *dx, int *dy, int *but); /* and get mouse status */ mousehw_t m_hw; /* buttons iftype type model hwid */ mousemode_t m_mode; /* proto rate res accel level size mask */ } mse_types[] = { { MSE_ATIINPORT, mse_probeati, mse_enableati, mse_disableati, mse_getati, { 2, MOUSE_IF_INPORT, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, }, { MOUSE_PROTO_INPORT, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE, { MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, }, { MSE_LOGITECH, mse_probelogi, mse_enablelogi, mse_disablelogi, mse_getlogi, { 2, MOUSE_IF_BUS, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, }, { MOUSE_PROTO_BUS, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE, { MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, }, { 0, }, }; static int mse_probe(dev) device_t dev; { mse_softc_t *sc; int error; int rid; int i; /* check PnP IDs */ error = ISA_PNP_PROBE(device_get_parent(dev), dev, mse_ids); if (error == ENXIO) return error; sc = device_get_softc(dev); rid = 0; sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, MSE_IOSIZE, RF_ACTIVE); if (sc->sc_port == NULL) return ENXIO; sc->sc_iot = rman_get_bustag(sc->sc_port); sc->sc_ioh = rman_get_bushandle(sc->sc_port); /* * Check for each mouse type in the table. */ i = 0; while (mse_types[i].m_type) { if ((*mse_types[i].m_probe)(dev, sc)) { sc->sc_mousetype = mse_types[i].m_type; sc->sc_enablemouse = mse_types[i].m_enable; sc->sc_disablemouse = mse_types[i].m_disable; sc->sc_getmouse = mse_types[i].m_get; sc->hw = mse_types[i].m_hw; sc->mode = mse_types[i].m_mode; bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); device_set_desc(dev, "Bus/InPort Mouse"); return 0; } i++; } bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); return ENXIO; } static int mse_attach(dev) device_t dev; { mse_softc_t *sc; int flags; int unit; int rid; sc = device_get_softc(dev); unit = device_get_unit(dev); rid = 0; sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, MSE_IOSIZE, RF_ACTIVE); if (sc->sc_port == NULL) return ENXIO; sc->sc_intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); if (sc->sc_intr == NULL) { bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); return ENXIO; } sc->sc_iot = rman_get_bustag(sc->sc_port); sc->sc_ioh = rman_get_bushandle(sc->sc_port); if (BUS_SETUP_INTR(device_get_parent(dev), dev, sc->sc_intr, INTR_TYPE_TTY, mseintr, sc, &sc->sc_ih)) { bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr); return ENXIO; } flags = device_get_flags(dev); sc->mode.accelfactor = (flags & MSE_CONFIG_ACCEL) >> 4; callout_handle_init(&sc->sc_callout); sc->sc_dev = make_dev(&mse_cdevsw, unit << 1, 0, 0, 0600, "mse%d", unit); sc->sc_ndev = make_dev(&mse_cdevsw, (unit<<1)+1, 0, 0, 0600, "nmse%d", unit); return 0; } static int mse_detach(dev) device_t dev; { mse_softc_t *sc; int rid; sc = device_get_softc(dev); if (sc->sc_flags & MSESC_OPEN) return EBUSY; rid = 0; BUS_TEARDOWN_INTR(device_get_parent(dev), dev, sc->sc_intr, sc->sc_ih); bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr); bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); destroy_dev(sc->sc_dev); destroy_dev(sc->sc_ndev); return 0; } /* * Exclusive open the mouse, initialize it and enable interrupts. */ static int mseopen(dev, flags, fmt, td) struct cdev *dev; int flags; int fmt; struct thread *td; { mse_softc_t *sc; int s; sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); if (sc == NULL) return (ENXIO); if (sc->sc_mousetype == MSE_NONE) return (ENXIO); if (sc->sc_flags & MSESC_OPEN) return (EBUSY); sc->sc_flags |= MSESC_OPEN; sc->sc_obuttons = sc->sc_buttons = MOUSE_MSC_BUTTONS; sc->sc_deltax = sc->sc_deltay = 0; sc->sc_bytesread = sc->mode.packetsize = MOUSE_MSC_PACKETSIZE; sc->sc_watchdog = FALSE; sc->sc_callout = timeout(msetimeout, dev, hz*2); sc->mode.level = 0; sc->status.flags = 0; sc->status.button = sc->status.obutton = 0; sc->status.dx = sc->status.dy = sc->status.dz = 0; /* * Initialize mouse interface and enable interrupts. */ s = spltty(); (*sc->sc_enablemouse)(sc->sc_iot, sc->sc_ioh); splx(s); return (0); } /* * mseclose: just turn off mouse innterrupts. */ static int mseclose(dev, flags, fmt, td) struct cdev *dev; int flags; int fmt; struct thread *td; { mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); int s; untimeout(msetimeout, dev, sc->sc_callout); callout_handle_init(&sc->sc_callout); s = spltty(); (*sc->sc_disablemouse)(sc->sc_iot, sc->sc_ioh); sc->sc_flags &= ~MSESC_OPEN; splx(s); return(0); } /* * mseread: return mouse info using the MSC serial protocol, but without * using bytes 4 and 5. * (Yes this is cheesy, but it makes the X386 server happy, so...) */ static int mseread(dev, uio, ioflag) struct cdev *dev; struct uio *uio; int ioflag; { mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); int xfer, s, error; /* * If there are no protocol bytes to be read, set up a new protocol * packet. */ s = spltty(); /* XXX Should be its own spl, but where is imlXX() */ if (sc->sc_bytesread >= sc->mode.packetsize) { while (sc->sc_deltax == 0 && sc->sc_deltay == 0 && (sc->sc_obuttons ^ sc->sc_buttons) == 0) { if (MSE_NBLOCKIO(dev)) { splx(s); return (0); } sc->sc_flags |= MSESC_WANT; error = tsleep(sc, MSEPRI | PCATCH, "mseread", 0); if (error) { splx(s); return (error); } } /* * Generate protocol bytes. * For some reason X386 expects 5 bytes but never uses * the fourth or fifth? */ sc->sc_bytes[0] = sc->mode.syncmask[1] | (sc->sc_buttons & ~sc->mode.syncmask[0]); if (sc->sc_deltax > 127) sc->sc_deltax = 127; if (sc->sc_deltax < -127) sc->sc_deltax = -127; sc->sc_deltay = -sc->sc_deltay; /* Otherwise mousey goes wrong way */ if (sc->sc_deltay > 127) sc->sc_deltay = 127; if (sc->sc_deltay < -127) sc->sc_deltay = -127; sc->sc_bytes[1] = sc->sc_deltax; sc->sc_bytes[2] = sc->sc_deltay; sc->sc_bytes[3] = sc->sc_bytes[4] = 0; sc->sc_bytes[5] = sc->sc_bytes[6] = 0; sc->sc_bytes[7] = MOUSE_SYS_EXTBUTTONS; sc->sc_obuttons = sc->sc_buttons; sc->sc_deltax = sc->sc_deltay = 0; sc->sc_bytesread = 0; } splx(s); xfer = min(uio->uio_resid, sc->mode.packetsize - sc->sc_bytesread); error = uiomove(&sc->sc_bytes[sc->sc_bytesread], xfer, uio); if (error) return (error); sc->sc_bytesread += xfer; return(0); } /* * mseioctl: process ioctl commands. */ static int mseioctl(dev, cmd, addr, flag, td) struct cdev *dev; u_long cmd; caddr_t addr; int flag; struct thread *td; { mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); mousestatus_t status; int err = 0; int s; switch (cmd) { case MOUSE_GETHWINFO: s = spltty(); *(mousehw_t *)addr = sc->hw; if (sc->mode.level == 0) ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; splx(s); break; case MOUSE_GETMODE: s = spltty(); *(mousemode_t *)addr = sc->mode; switch (sc->mode.level) { case 0: break; case 1: ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; break; } splx(s); break; case MOUSE_SETMODE: switch (((mousemode_t *)addr)->level) { case 0: case 1: break; default: return (EINVAL); } if (((mousemode_t *)addr)->accelfactor < -1) return (EINVAL); else if (((mousemode_t *)addr)->accelfactor >= 0) sc->mode.accelfactor = ((mousemode_t *)addr)->accelfactor; sc->mode.level = ((mousemode_t *)addr)->level; switch (sc->mode.level) { case 0: sc->sc_bytesread = sc->mode.packetsize = MOUSE_MSC_PACKETSIZE; break; case 1: sc->sc_bytesread = sc->mode.packetsize = MOUSE_SYS_PACKETSIZE; break; } break; case MOUSE_GETLEVEL: *(int *)addr = sc->mode.level; break; case MOUSE_SETLEVEL: switch (*(int *)addr) { case 0: sc->mode.level = *(int *)addr; sc->sc_bytesread = sc->mode.packetsize = MOUSE_MSC_PACKETSIZE; break; case 1: sc->mode.level = *(int *)addr; sc->sc_bytesread = sc->mode.packetsize = MOUSE_SYS_PACKETSIZE; break; default: return (EINVAL); } 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; case MOUSE_READSTATE: case MOUSE_READDATA: return (ENODEV); #if (defined(MOUSE_GETVARS)) case MOUSE_GETVARS: case MOUSE_SETVARS: return (ENODEV); #endif default: return (ENOTTY); } return (err); } /* * msepoll: check for mouse input to be processed. */ static int msepoll(dev, events, td) struct cdev *dev; int events; struct thread *td; { mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); int s; int revents = 0; s = spltty(); if (events & (POLLIN | POLLRDNORM)) { if (sc->sc_bytesread != sc->mode.packetsize || sc->sc_deltax != 0 || sc->sc_deltay != 0 || (sc->sc_obuttons ^ sc->sc_buttons) != 0) revents |= events & (POLLIN | POLLRDNORM); else { /* * Since this is an exclusive open device, any previous * proc pointer is trash now, so we can just assign it. */ selrecord(td, &sc->sc_selp); } } splx(s); return (revents); } /* * msetimeout: watchdog timer routine. */ static void msetimeout(arg) void *arg; { struct cdev *dev; mse_softc_t *sc; dev = (struct cdev *)arg; sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); if (sc->sc_watchdog) { if (bootverbose) printf("mse%d: lost interrupt?\n", MSE_UNIT(dev)); mseintr(sc); } sc->sc_watchdog = TRUE; sc->sc_callout = timeout(msetimeout, dev, hz); } /* * mseintr: update mouse status. sc_deltax and sc_deltay are accumulative. */ static void mseintr(arg) void *arg; { /* * the table to turn MouseSystem button bits (MOUSE_MSC_BUTTON?UP) * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). */ static int butmap[8] = { 0, MOUSE_BUTTON3DOWN, MOUSE_BUTTON2DOWN, MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, MOUSE_BUTTON1DOWN, MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN }; mse_softc_t *sc = arg; int dx, dy, but; int sign; #ifdef DEBUG static int mse_intrcnt = 0; if((mse_intrcnt++ % 10000) == 0) printf("mseintr\n"); #endif /* DEBUG */ if ((sc->sc_flags & MSESC_OPEN) == 0) return; (*sc->sc_getmouse)(sc->sc_iot, sc->sc_ioh, &dx, &dy, &but); if (sc->mode.accelfactor > 0) { sign = (dx < 0); dx = dx * dx / sc->mode.accelfactor; if (dx == 0) dx = 1; if (sign) dx = -dx; sign = (dy < 0); dy = dy * dy / sc->mode.accelfactor; if (dy == 0) dy = 1; if (sign) dy = -dy; } sc->sc_deltax += dx; sc->sc_deltay += dy; sc->sc_buttons = but; but = butmap[~but & MOUSE_MSC_BUTTONS]; sc->status.dx += dx; sc->status.dy += dy; sc->status.flags |= ((dx || dy) ? MOUSE_POSCHANGED : 0) | (sc->status.button ^ but); sc->status.button = but; sc->sc_watchdog = FALSE; /* * If mouse state has changed, wake up anyone wanting to know. */ if (sc->sc_deltax != 0 || sc->sc_deltay != 0 || (sc->sc_obuttons ^ sc->sc_buttons) != 0) { if (sc->sc_flags & MSESC_WANT) { sc->sc_flags &= ~MSESC_WANT; wakeup(sc); } selwakeuppri(&sc->sc_selp, MSEPRI); } } /* * Routines for the Logitech mouse. */ /* * Test for a Logitech bus mouse and return 1 if it is. * (until I know how to use the signature port properly, just disable * interrupts and return 1) */ static int mse_probelogi(dev, sc) device_t dev; mse_softc_t *sc; { int sig; bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTD, MSE_SETUP); /* set the signature port */ bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTB, MSE_LOGI_SIG); DELAY(30000); /* 30 ms delay */ sig = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MSE_PORTB) & 0xFF; if (sig == MSE_LOGI_SIG) { bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTC, MSE_DISINTR); return(1); } else { if (bootverbose) device_printf(dev, "wrong signature %x\n", sig); return(0); } } /* * Initialize Logitech mouse and enable interrupts. */ static void mse_enablelogi(tag, handle) bus_space_tag_t tag; bus_space_handle_t handle; { int dx, dy, but; bus_space_write_1(tag, handle, MSE_PORTD, MSE_SETUP); mse_getlogi(tag, handle, &dx, &dy, &but); } /* * Disable interrupts for Logitech mouse. */ static void mse_disablelogi(tag, handle) bus_space_tag_t tag; bus_space_handle_t handle; { bus_space_write_1(tag, handle, MSE_PORTC, MSE_DISINTR); } /* * Get the current dx, dy and button up/down state. */ static void mse_getlogi(tag, handle, dx, dy, but) bus_space_tag_t tag; bus_space_handle_t handle; int *dx; int *dy; int *but; { register char x, y; bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RXLOW); x = bus_space_read_1(tag, handle, MSE_PORTA); *but = (x >> 5) & MOUSE_MSC_BUTTONS; x &= 0xf; bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RXHIGH); x |= (bus_space_read_1(tag, handle, MSE_PORTA) << 4); bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RYLOW); y = (bus_space_read_1(tag, handle, MSE_PORTA) & 0xf); bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RYHIGH); y |= (bus_space_read_1(tag, handle, MSE_PORTA) << 4); *dx = x; *dy = y; bus_space_write_1(tag, handle, MSE_PORTC, MSE_INTREN); } /* * Routines for the ATI Inport bus mouse. */ /* * Test for an ATI Inport bus mouse and return 1 if it is. * (do not enable interrupts) */ static int mse_probeati(dev, sc) device_t dev; mse_softc_t *sc; { int i; for (i = 0; i < 2; i++) if (bus_space_read_1(sc->sc_iot, sc->sc_ioh, MSE_PORTC) == 0xde) return (1); return (0); } /* * Initialize ATI Inport mouse and enable interrupts. */ static void mse_enableati(tag, handle) bus_space_tag_t tag; bus_space_handle_t handle; { bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_RESET); bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_INTREN); } /* * Disable interrupts for ATI Inport mouse. */ static void mse_disableati(tag, handle) bus_space_tag_t tag; bus_space_handle_t handle; { bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); bus_space_write_1(tag, handle, MSE_PORTB, 0); } /* * Get current dx, dy and up/down button state. */ static void mse_getati(tag, handle, dx, dy, but) bus_space_tag_t tag; bus_space_handle_t handle; int *dx; int *dy; int *but; { register char byte; bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_HOLD); bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_STATUS); *but = ~bus_space_read_1(tag, handle, MSE_PORTB) & MOUSE_MSC_BUTTONS; bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_DX); byte = bus_space_read_1(tag, handle, MSE_PORTB); *dx = byte; bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_DY); byte = bus_space_read_1(tag, handle, MSE_PORTB); *dy = byte; bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_INTREN); }