/* $NetBSD: qvss_compat.c,v 1.35 2003/10/31 03:29:59 simonb Exp $ */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * 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. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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. * * @(#)fb.c 8.1 (Berkeley) 6/10/93 */ /* * devGraphics.c -- * * This file contains machine-dependent routines for the graphics device. * * Copyright (C) 1989 Digital Equipment Corporation. * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appears in all copies. * Digital Equipment Corporation makes no representations about the * suitability of this software for any purpose. It is provided "as is" * without express or implied warranty. * * from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/devGraphics.c, * v 9.2 90/02/13 22:16:24 shirriff Exp SPRITE (DECWRL)"; */ /* * This file has all the routines common to the various frame buffer drivers * including a generic ioctl routine. The pmax_fb structure is passed into the * routines and has device specifics stored in it. * The LK201 keycode mapping routine is also here along with initialization * functions for the keyboard and mouse. */ #include __KERNEL_RCSID(0, "$NetBSD: qvss_compat.c,v 1.35 2003/10/31 03:29:59 simonb Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include /* LK-201 keycodes */ #include #include #include /* X11R5 Xserver ioctls */ #include /* DZ-11 chip console I/O */ #include /* dtop console I/O decls */ #include /* XXX should be renamed fbvar.h */ #include /* our own externs */ #include #include /* ioasic z8530 I/O decls */ #include "dc.h" #include "scc.h" #include "dtop.h" /* * Prototypes of local functions */ static void genKbdEvent __P((int ch)); static void genMouseEvent __P((void *newRepPtr)); static void genMouseButtons __P((void *newRepPtr)); extern struct fbinfo *firstfi; /* XXX */ /* * Initialize the old-style pmax framebuffer structure from a new-style * rcons structure. Can die when all the old style pmax_fb structures * are gone. Note that the QVSS/pm mapped event buffer includes the * fbu field initialized below. */ void init_pmaxfbu(fi) struct fbinfo *fi; { int tty_rows, tty_cols; /* rows, cols for glass-tty mode */ struct fbuaccess *fbu = NULL; if (fi == NULL || fi->fi_fbu == NULL) panic("init_pmaxfb: given null pointer to framebuffer"); /* XXX don't rely on there being a pmax_fb struct */ fbu = fi->fi_fbu; /* fb dimensions */ fbu->scrInfo.max_x = fi->fi_type.fb_width; fbu->scrInfo.max_y = fi->fi_type.fb_height; fbu->scrInfo.max_cur_x = fbu->scrInfo.max_x - 1; fbu->scrInfo.max_cur_y = fbu->scrInfo.max_y - 1; /* these have the same initial value on qvss-style framebuffers */ fbu->scrInfo.version = 11; fbu->scrInfo.mthreshold = 4; fbu->scrInfo.mscale = 2; /* this is not always right (pm on kn01) but it's a common case */ fbu->scrInfo.min_cur_x = 0; fbu->scrInfo.min_cur_y = 0; /* * Compute glass-tty dimensions. These don't belong here * anymore, but the Ultrix and 4.3+ bsd drivers put them * in the event structure mapped into user address space. */ tty_cols = 80; /* A guess, but correct for 1024x864, 1024x768 and 1280x1024 */ tty_rows = (fi->fi_type.fb_height / 15) - 1; #ifdef notdef if (tty_rows != fbu->scrInfo.max_row || tty_cols != fbu->scrInfo.max_col) printf("framebuffer init: size mismatch: given %dx%d, compute %dx%d\n", fbu->scrInfo.max_row, fbu->scrInfo.max_col, tty_rows, tty_cols); #endif pmEventQueueInit(&fi->fi_fbu->scrInfo.qe); } /* * Initialize the qvss-style ringbuffer of mouse button/move * events to be empty. Called both when initializing the * console softc and on each new open of that device. */ void pmEventQueueInit(qe) pmEventQueue *qe; { qe->timestamp_ms = TO_MS(time); qe->eSize = PM_MAXEVQ; qe->eHead = qe->eTail = 0; qe->tcSize = MOTION_BUFFER_SIZE; qe->tcNext = 0; } /* *---------------------------------------------------------------------- * * fbKbdEvent -- * * Process a received character. * * Results: * None. * * Side effects: * Events added to the queue. * *---------------------------------------------------------------------- */ void fbKbdEvent(ch, fi) int ch; struct fbinfo *fi; { pmEvent *eventPtr; int i; struct fbuaccess *fbu = NULL; if (!fi->fi_open) return; fbu = fi->fi_fbu; /* * See if there is room in the queue. */ i = PM_EVROUND(fbu->scrInfo.qe.eTail + 1); if (i == fbu->scrInfo.qe.eHead) return; /* * Add the event to the queue. */ eventPtr = &fbu->events[fbu->scrInfo.qe.eTail]; eventPtr->type = BUTTON_RAW_TYPE; eventPtr->device = KEYBOARD_DEVICE; eventPtr->x = fbu->scrInfo.mouse.x; eventPtr->y = fbu->scrInfo.mouse.y; eventPtr->time = TO_MS(time); eventPtr->key = ch; fbu->scrInfo.qe.eTail = i; selnotify(&fi->fi_selp, 0); } /* *---------------------------------------------------------------------- * * fbMouseEvent -- * * Process a mouse event. * * Results: * None. * * Side effects: * An event is added to the event queue. * *---------------------------------------------------------------------- */ void fbMouseEvent(newRepPtr, fi) MouseReport *newRepPtr; struct fbinfo *fi; { unsigned milliSec; int i; pmEvent *eventPtr; struct fbuaccess *fbu = NULL; if (!fi->fi_open) return; fbu = fi->fi_fbu; milliSec = TO_MS(time); /* * Check to see if we have to accelerate the mouse */ if (fbu->scrInfo.mscale >= 0) { if (newRepPtr->dx >= fbu->scrInfo.mthreshold) { newRepPtr->dx += (newRepPtr->dx - fbu->scrInfo.mthreshold) * fbu->scrInfo.mscale; } if (newRepPtr->dy >= fbu->scrInfo.mthreshold) { newRepPtr->dy += (newRepPtr->dy - fbu->scrInfo.mthreshold) * fbu->scrInfo.mscale; } } /* * Update mouse position */ if (newRepPtr->state & MOUSE_X_SIGN) { fbu->scrInfo.mouse.x += newRepPtr->dx; if (fbu->scrInfo.mouse.x > fbu->scrInfo.max_cur_x) fbu->scrInfo.mouse.x = fbu->scrInfo.max_cur_x; } else { fbu->scrInfo.mouse.x -= newRepPtr->dx; if (fbu->scrInfo.mouse.x < fbu->scrInfo.min_cur_x) fbu->scrInfo.mouse.x = fbu->scrInfo.min_cur_x; } if (newRepPtr->state & MOUSE_Y_SIGN) { fbu->scrInfo.mouse.y -= newRepPtr->dy; if (fbu->scrInfo.mouse.y < fbu->scrInfo.min_cur_y) fbu->scrInfo.mouse.y = fbu->scrInfo.min_cur_y; } else { fbu->scrInfo.mouse.y += newRepPtr->dy; if (fbu->scrInfo.mouse.y > fbu->scrInfo.max_cur_y) fbu->scrInfo.mouse.y = fbu->scrInfo.max_cur_y; } /* * Move the hardware cursor. */ (*fi->fi_driver->fbd_poscursor) (fi, fbu->scrInfo.mouse.x, fbu->scrInfo.mouse.y); /* * Store the motion event in the motion buffer. */ fbu->tcs[fbu->scrInfo.qe.tcNext].time = milliSec; fbu->tcs[fbu->scrInfo.qe.tcNext].x = fbu->scrInfo.mouse.x; fbu->tcs[fbu->scrInfo.qe.tcNext].y = fbu->scrInfo.mouse.y; if (++fbu->scrInfo.qe.tcNext >= MOTION_BUFFER_SIZE) fbu->scrInfo.qe.tcNext = 0; if (fbu->scrInfo.mouse.y < fbu->scrInfo.mbox.bottom && fbu->scrInfo.mouse.y >= fbu->scrInfo.mbox.top && fbu->scrInfo.mouse.x < fbu->scrInfo.mbox.right && fbu->scrInfo.mouse.x >= fbu->scrInfo.mbox.left) return; fbu->scrInfo.mbox.bottom = 0; if (PM_EVROUND(fbu->scrInfo.qe.eTail + 1) == fbu->scrInfo.qe.eHead) return; i = PM_EVROUND(fbu->scrInfo.qe.eTail - 1); if ((fbu->scrInfo.qe.eTail != fbu->scrInfo.qe.eHead) && (i != fbu->scrInfo.qe.eHead)) { pmEvent *eventPtr; eventPtr = &fbu->events[i]; if (eventPtr->type == MOTION_TYPE) { eventPtr->x = fbu->scrInfo.mouse.x; eventPtr->y = fbu->scrInfo.mouse.y; eventPtr->time = milliSec; eventPtr->device = MOUSE_DEVICE; return; } } /* * Put event into queue and wakeup any waiters. */ eventPtr = &fbu->events[fbu->scrInfo.qe.eTail]; eventPtr->type = MOTION_TYPE; eventPtr->time = milliSec; eventPtr->x = fbu->scrInfo.mouse.x; eventPtr->y = fbu->scrInfo.mouse.y; eventPtr->device = MOUSE_DEVICE; fbu->scrInfo.qe.eTail = PM_EVROUND(fbu->scrInfo.qe.eTail + 1); selnotify(&fi->fi_selp, 0); } /* *---------------------------------------------------------------------- * * fbMouseButtons -- * * Process mouse buttons. * * Results: * None. * * Side effects: * None. * *---------------------------------------------------------------------- */ void fbMouseButtons(newRepPtr, fi) MouseReport *newRepPtr; struct fbinfo *fi; { static char temp, oldSwitch, newSwitch; int i, j; pmEvent *eventPtr; static MouseReport lastRep; struct fbuaccess *fbu = NULL; if (!fi->fi_open) return; fbu = fi->fi_fbu; newSwitch = newRepPtr->state & 0x07; oldSwitch = lastRep.state & 0x07; temp = oldSwitch ^ newSwitch; if (temp == 0) return; for (j = 1; j < 8; j <<= 1) { if ((j & temp) == 0) continue; /* * Check for room in the queue */ i = PM_EVROUND(fbu->scrInfo.qe.eTail+1); if (i == fbu->scrInfo.qe.eHead) return; /* * Put event into queue. */ eventPtr = &fbu->events[fbu->scrInfo.qe.eTail]; switch (j) { case RIGHT_BUTTON: eventPtr->key = EVENT_RIGHT_BUTTON; break; case MIDDLE_BUTTON: eventPtr->key = EVENT_MIDDLE_BUTTON; break; case LEFT_BUTTON: eventPtr->key = EVENT_LEFT_BUTTON; } if (newSwitch & j) eventPtr->type = BUTTON_DOWN_TYPE; else eventPtr->type = BUTTON_UP_TYPE; eventPtr->device = MOUSE_DEVICE; eventPtr->time = TO_MS(time); eventPtr->x = fbu->scrInfo.mouse.x; eventPtr->y = fbu->scrInfo.mouse.y; fbu->scrInfo.qe.eTail = i; } selnotify(&fi->fi_selp, 0); lastRep = *newRepPtr; fbu->scrInfo.mswitches = newSwitch; } /* * Use vm_mmap() to map the frame buffer and shared data into the user's * address space. * Return errno if there was an error. */ int fbmmap_fb(fi, dev, data, p) struct fbinfo *fi; dev_t dev; caddr_t data; struct proc *p; { int error; vaddr_t addr; vsize_t len; struct vnode vn; struct specinfo si; struct fbuaccess *fbp; struct fbuaccess *fbu = fi->fi_fbu; len = mips_round_page(((vaddr_t)fbu & PGOFSET) + sizeof(struct fbuaccess)) + mips_round_page(fi->fi_type.fb_size); addr = VM_DEFAULT_ADDRESS(p->p_vmspace->vm_daddr, len); vn.v_type = VCHR; /* XXX */ vn.v_specinfo = &si; /* XXX */ vn.v_rdev = dev; /* XXX */ /* * Map the all the data the user needs access to into * user space. */ error = uvm_mmap(&p->p_vmspace->vm_map, &addr, len, VM_PROT_ALL, VM_PROT_ALL, MAP_SHARED, &vn, 0, p->p_rlimit[RLIMIT_MEMLOCK].rlim_cur); if (error) return (error); fbp = (struct fbuaccess *)(addr + ((vaddr_t)fbu & PGOFSET)); *(PM_Info **)data = &fbp->scrInfo; fbu->scrInfo.qe.events = fbp->events; fbu->scrInfo.qe.tcs = fbp->tcs; fbu->scrInfo.planemask = (char *)0; /* * Map the frame buffer into the user's address space. */ fbu->scrInfo.bitmap = (char *)mips_round_page(fbp + 1); return (0); } /* * Generic functions for keyboard and mouse input. * Just use the "generic" qvss/pm-compatible functions above, but pass them * the soft state for the first framebuffer found on this system. * We don't support more than one mouse, even for multiple * framebuffers, so this should be adequate. * It also relieves each fb driver from having to provide its own * version of these functions. * * TODO: change the callers of these to pass a pointer to the struct fbinfo, * thus finessing the problem. */ static void genKbdEvent(ch) int ch; { fbKbdEvent(ch, firstfi); } static void genMouseEvent(newRepPtr) void *newRepPtr; { fbMouseEvent(newRepPtr, firstfi); } static void genMouseButtons(newRepPtr) void *newRepPtr; { fbMouseButtons(newRepPtr, firstfi); } /* * Configure the mouse and keyboard based on machine type */ void genConfigMouse() { int s; s = spltty(); switch (systype) { #if NDC > 0 case DS_PMAX: case DS_3MAX: dcDivertXInput = genKbdEvent; dcMouseEvent = genMouseEvent; dcMouseButtons = genMouseButtons; break; #endif /* NDC */ #if NSCC > 0 case DS_3MIN: case DS_3MAXPLUS: sccDivertXInput = genKbdEvent; sccMouseEvent = genMouseEvent; sccMouseButtons = genMouseButtons; break; #endif #if NDTOP > 0 case DS_MAXINE: dtopDivertXInput = genKbdEvent; dtopMouseEvent = genMouseEvent; dtopMouseButtons = genMouseButtons; break; #endif default: printf("Can't configure mouse/keyboard\n"); }; splx(s); } /* * and deconfigure them */ void genDeconfigMouse() { int s; s = spltty(); switch (systype) { #if NDC > 0 case DS_PMAX: case DS_3MAX: dcDivertXInput = NULL; dcMouseEvent = NULL; dcMouseButtons = NULL; break; #endif /* NDC */ #if NSCC > 0 case DS_3MIN: case DS_3MAXPLUS: sccDivertXInput = NULL; sccMouseEvent = NULL; sccMouseButtons = NULL; break; #endif #if NDTOP > 0 case DS_MAXINE: dtopDivertXInput = NULL; dtopMouseEvent = NULL; dtopMouseButtons = NULL; break; #endif default: printf("Can't deconfigure mouse/keyboard\n"); }; splx(s); } /** ** And a mouse-report handler for redirected mouse input. ** Could arguably be in its own source file, but it's only ** used when the kernel is performing mouse tracking. **/ /* * Mouse-event parser. Called as an upcall with each character * read from a serial port. Accumulates complete mouse-event * reports and passes them up to framebuffer layer. * Mouse events are reported as a 3-byte sequence: * header+button state, delta-x, delta-y */ void mouseInput(cc) int cc; { MouseReport *mrp; static MouseReport currentRep; mrp = ¤tRep; mrp->byteCount++; if (cc & MOUSE_START_FRAME) { /* * The first mouse report byte (button state). */ mrp->state = cc; if (mrp->byteCount > 1) mrp->byteCount = 1; } else if (mrp->byteCount == 2) { /* * The second mouse report byte (delta x). */ mrp->dx = cc; } else if (mrp->byteCount == 3) { /* * The final mouse report byte (delta y). */ mrp->dy = cc; mrp->byteCount = 0; if (mrp->dx != 0 || mrp->dy != 0) { /* * If the mouse moved, * post a motion event. */ (genMouseEvent)(mrp); } (genMouseButtons)(mrp); } }