/* $NetBSD: ite_et.c,v 1.5 1996/12/20 12:49:40 leo Exp $ */ /* * Copyright (c) 1996 Leo Weppelman. * 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Leo Weppelman. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "grfet.h" /* * This is what ip->priv points to; * it contains local variables for custom-chip ites. */ struct ite_priv { volatile u_char *regkva; }; typedef struct ite_priv ipriv_t; static ipriv_t con_ipriv; /* Console colors */ static u_char etconscolors[3][3] = { /* background, foreground, hilite */ {0x0, 0x0, 0x0}, {0x30, 0x30, 0x30}, { 0x3f, 0x3f, 0x3f} }; /* XXX: Shouldn't these be in font.h???? */ extern font_info font_info_8x8; extern font_info font_info_8x16; static void grfet_iteinit __P((struct grf_softc *)); static void view_init __P((struct ite_softc *)); static void view_deinit __P((struct ite_softc *)); static int iteet_ioctl __P((struct ite_softc *, u_long, caddr_t, int, struct proc *)); static int ite_newsize __P((struct ite_softc *, struct itewinsize *)); static void et_inittextmode __P((struct ite_softc *, et_sv_reg_t *, int)); void et_cursor __P((struct ite_softc *ip, int flag)); void et_clear __P((struct ite_softc *ip, int sy, int sx, int h, int w)); void et_putc __P((struct ite_softc *ip, int c, int dy, int dx, int mode)); void et_scroll __P((struct ite_softc *ip, int sy, int sx, int count, int dir)); /* XXX: move to ite.c */ extern int ite_default_x; extern int ite_default_y; extern int ite_default_width; extern int ite_default_depth; extern int ite_default_height; /* * grfet config stuff */ void grfetattach __P((struct device *, struct device *, void *)); int grfetmatch __P((struct device *, struct cfdata *, void *)); int grfetprint __P((void *, const char *)); struct cfattach grfet_ca = { sizeof(struct grf_softc), grfetmatch, grfetattach }; struct cfdriver grfet_cd = { NULL, "grfet", DV_DULL }; /* * only used in console init. */ static struct cfdata *cfdata_grf = NULL; int grfetmatch(pdp, cfp, auxp) struct device *pdp; struct cfdata *cfp; void *auxp; { static int must_probe = 1; grf_auxp_t *grf_auxp = auxp; if (must_probe) { if(!(machineid & ATARI_HADES)) return 0; /* * Check if the layers we depend on exist */ if (grfabs_probe(&et_probe_video) == 0) return 0; viewprobe(); must_probe = 0; } if (atari_realconfig == 0) { /* * Early console init. Only match unit 0. */ if (cfp->cf_unit != 0) return 0; if (!et_probe_card()) return 0; if (viewopen(0, 0, 0, NULL)) return 0; cfdata_grf = cfp; return 1; } /* * Normal config. When we are called directly from the grfbus, * we only match unit 0. The attach function will call us for * the other configured units. */ if (grf_auxp->from_bus_match && ((cfp->cf_unit != 0) || !et_probe_card())) return 0; if (!grf_auxp->from_bus_match && (grf_auxp->unit != cfp->cf_unit)) return 0; /* * Final constraint: each grf needs a view.... */ if((cfdata_grf == NULL) || (cfp->cf_unit != 0)) { if(viewopen(cfp->cf_unit, 0, 0, NULL)) return 0; } return 1; } /* * attach: initialize the grf-structure and try to attach an ite to us. * note : dp is NULL during early console init. */ void grfetattach(pdp, dp, auxp) struct device *pdp, *dp; void *auxp; { static struct grf_softc congrf; grf_auxp_t *grf_bus_auxp = auxp; grf_auxp_t grf_auxp; struct grf_softc *gp; int maj; /* * find our major device number */ for(maj = 0; maj < nchrdev; maj++) if (cdevsw[maj].d_open == grfopen) break; /* * Handle exeption case: early console init */ if(dp == NULL) { congrf.g_unit = 0; congrf.g_grfdev = makedev(maj, 0); congrf.g_itedev = (dev_t)-1; congrf.g_flags = GF_ALIVE; congrf.g_mode = grf_mode; congrf.g_conpri = CN_INTERNAL; congrf.g_viewdev = congrf.g_unit; grfet_iteinit(&congrf); grf_viewsync(&congrf); /* Attach console ite */ atari_config_found(cfdata_grf, NULL, &congrf, grfetprint); return; } gp = (struct grf_softc *)dp; gp->g_unit = gp->g_device.dv_unit; grfsp[gp->g_unit] = gp; if((cfdata_grf != NULL) && (gp->g_unit == 0)) { /* * We inited earlier just copy the info, take care * not to copy the device struct though. */ bcopy(&congrf.g_display, &gp->g_display, (char *)&gp[1] - (char *)&gp->g_display); } else { gp->g_grfdev = makedev(maj, gp->g_unit); gp->g_itedev = (dev_t)-1; gp->g_flags = GF_ALIVE; gp->g_mode = grf_mode; gp->g_conpri = 0; gp->g_viewdev = gp->g_unit; grfet_iteinit(gp); grf_viewsync(gp); } printf(": %dx%d", gp->g_display.gd_dwidth, gp->g_display.gd_dheight); if(gp->g_display.gd_colors == 2) printf(" monochrome\n"); else printf(" colors %d\n", gp->g_display.gd_colors); /* * try and attach an ite */ config_found(dp, gp, grfetprint); /* * If attaching unit 0, go ahead and 'find' the rest of us */ if (gp->g_unit == 0) { grf_auxp.from_bus_match = 0; for (grf_auxp.unit=0; grf_auxp.unit < NGRFET; grf_auxp.unit++) { config_found(pdp, (void*)&grf_auxp, grf_bus_auxp->busprint); } } } int grfetprint(auxp, pnp) void *auxp; const char *pnp; { if(pnp) /* XXX */ printf("ite at %s", pnp); return(UNCONF); } /* * Init ite portion of grf_softc struct */ static void grfet_iteinit(gp) struct grf_softc *gp; { gp->g_itecursor = et_cursor; gp->g_iteputc = et_putc; gp->g_iteclear = et_clear; gp->g_itescroll = et_scroll; gp->g_iteinit = view_init; gp->g_itedeinit = view_deinit; } static void view_deinit(ip) struct ite_softc *ip; { ip->flags &= ~ITE_INITED; } static void view_init(ip) register struct ite_softc *ip; { struct itewinsize wsz; ipriv_t *cci; view_t *view; save_area_t *et_save; if((cci = ip->priv) != NULL) return; ip->itexx_ioctl = iteet_ioctl; #if defined(KFONT_8X8) ip->font = font_info_8x8; #else ip->font = font_info_8x16; #endif /* Find the correct set of rendering routines for this font. */ if(ip->font.width != 8) panic("kernel font size not supported"); if(!atari_realconfig) ip->priv = cci = &con_ipriv; else ip->priv = cci = (ipriv_t*)malloc(sizeof(*cci), M_DEVBUF,M_WAITOK); if(cci == NULL) panic("No memory for ite-view"); bzero(cci, sizeof(*cci)); wsz.x = ite_default_x; wsz.y = ite_default_y; wsz.width = ite_default_width; wsz.height = ite_default_height; wsz.depth = ite_default_depth; ite_newsize (ip, &wsz); view = viewview(ip->grf->g_viewdev); cci->regkva = view->bitmap->regs; /* * Only console will be turned on by default.. */ if(ip->flags & ITE_ISCONS) ip->grf->g_mode(ip->grf, GM_GRFON, NULL, 0, 0); /* * Activate text-mode settings */ et_save = (save_area_t *)view->save_area; if (et_save == NULL) et_inittextmode(ip, NULL, view->flags & VF_DISPLAY); else { et_inittextmode(ip, &et_save->sv_regs, view->flags&VF_DISPLAY); et_save->fb_size = ip->cols * ip->rows; } } static int ite_newsize(ip, winsz) struct ite_softc *ip; struct itewinsize *winsz; { struct view_size vs; int error = 0; save_area_t *et_save; view_t *view; vs.x = winsz->x; vs.y = winsz->y; vs.width = winsz->width; vs.height = winsz->height; vs.depth = winsz->depth; error = viewioctl(ip->grf->g_viewdev, VIOCSSIZE, (caddr_t)&vs, 0, NOPROC); view = viewview(ip->grf->g_viewdev); /* * Reinitialize our structs */ ip->cols = view->display.width / ip->font.width; ip->rows = view->display.height / ip->font.height; /* * save new values so that future opens use them * this may not be correct when we implement Virtual Consoles */ ite_default_height = view->display.height; ite_default_width = view->display.width; ite_default_x = view->display.x; ite_default_y = view->display.y; ite_default_depth = view->bitmap->depth; et_save = (save_area_t *)view->save_area; if (et_save == NULL) et_inittextmode(ip, NULL, view->flags & VF_DISPLAY); else { et_inittextmode(ip, &et_save->sv_regs, view->flags & VF_DISPLAY); et_save->fb_size = ip->cols * ip->rows; } et_clear(ip, 0, 0, ip->rows, ip->cols); return(error); } int iteet_ioctl(ip, cmd, addr, flag, p) struct ite_softc *ip; u_long cmd; caddr_t addr; int flag; struct proc *p; { struct winsize ws; struct itewinsize *is; int error = 0; view_t *view = viewview(ip->grf->g_viewdev); #if 0 /* LWP: notyet */ struct itebell *ib; #endif switch (cmd) { case ITEIOCSWINSZ: is = (struct itewinsize *)addr; if(ite_newsize(ip, is)) error = ENOMEM; else { view = viewview(ip->grf->g_viewdev); ws.ws_row = ip->rows; ws.ws_col = ip->cols; ws.ws_xpixel = view->display.width; ws.ws_ypixel = view->display.height; ite_reset(ip); /* * XXX tell tty about the change * XXX this is messy, but works */ iteioctl(ip->grf->g_itedev,TIOCSWINSZ,(caddr_t)&ws,0,p); } break; case ITEIOCGBELL: #if 0 /* LWP */ /* XXX This won't work now */ /* XXX Should the bell be device dependent? */ ib = (struct itebell *)addr; ib->volume = bvolume; ib->pitch = bpitch; ib->msec = bmsec; #endif break; case ITEIOCSBELL: #if 0 /* LWP */ /* XXX See above */ ib = (struct itebell *)addr; /* bounds check */ if(ib->pitch > MAXBPITCH || ib->pitch < MINBPITCH || ib->volume > MAXBVOLUME || ib->msec > MAXBTIME) error = EINVAL; else { bvolume = ib->volume; bpitch = ib->pitch; bmsec = ib->msec; } #endif break; case VIOCSCMAP: case VIOCGCMAP: /* * XXX watchout for that NOPROC. its not really the kernel * XXX talking these two commands don't use the proc pointer * XXX though. */ error = viewioctl(ip->grf->g_viewdev, cmd, addr, flag, NOPROC); break; default: error = -1; break; } return (error); } void et_cursor(ip, flag) struct ite_softc *ip; int flag; { volatile u_char *ba; view_t *v; u_long cpos; ba = ((ipriv_t*)ip->priv)->regkva; v = viewview(ip->grf->g_viewdev); /* * Don't update the cursor when not on display */ if (!(v->flags & VF_DISPLAY)) return; switch (flag) { case DRAW_CURSOR: /*WCrt(ba, CRT_ID_CURSOR_START, & ~0x20); */ case MOVE_CURSOR: cpos = RCrt(ba, CRT_ID_START_ADDR_LOW) & 0xff; cpos |= (RCrt(ba, CRT_ID_START_ADDR_HIGH) & 0xff) << 8; cpos += ip->curx + ip->cury * ip->cols; WCrt(ba, CRT_ID_CURSOR_LOC_LOW, cpos & 0xff); WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, (cpos >> 8) & 0xff); WCrt(ba, CTR_ID_EXT_START, (cpos >> (16-2)) & 0x0c); ip->cursorx = ip->curx; ip->cursory = ip->cury; break; case ERASE_CURSOR: /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20); */ case START_CURSOROPT: case END_CURSOROPT: default: break; } } void et_putc(ip, c, dy, dx, mode) struct ite_softc *ip; int c; int dy; int dx; int mode; { view_t *v = viewview(ip->grf->g_viewdev); u_char attr; u_short *cp; attr = (unsigned char) ((mode & ATTR_INV) ? (0x70) : (0x07)); if (mode & ATTR_UL) attr |= 0x01; if (mode & ATTR_BOLD) attr |= 0x08; if (mode & ATTR_BLINK) attr |= 0x80; cp = (u_short*)v->bitmap->plane; cp[(dy * ip->cols) + dx] = (c << 8) | attr; } void et_clear(ip, sy, sx, h, w) struct ite_softc *ip; int sy; int sx; int h; int w; { /* cl_clear and cl_scroll both rely on ite passing arguments * which describe continuous regions. For a VT200 terminal, * this is safe behavior. */ view_t *v = viewview(ip->grf->g_viewdev); u_short *dest; int len; dest = (u_short *)v->bitmap->plane + (sy * ip->cols) + sx; for(len = w * h; len-- ;) *dest++ = 0x2007; } void et_scroll(ip, sy, sx, count, dir) struct ite_softc *ip; int sy; int sx; int count; int dir; { view_t *v = viewview(ip->grf->g_viewdev); u_short *fb; u_short *src, *dst; int len; fb = (u_short*)v->bitmap->plane + sy * ip->cols; switch (dir) { case SCROLL_UP: src = fb; dst = fb - count * ip->cols; len = (ip->bottom_margin + 1 - sy) * ip->cols; break; case SCROLL_DOWN: src = fb; dst = fb + count * ip->cols; len = (ip->bottom_margin + 1 - (sy + count)) * ip->cols; break; case SCROLL_RIGHT: src = fb + sx; dst = fb + sx + count; len = ip->cols - sx + count; break; case SCROLL_LEFT: src = fb + sx; dst = fb + sx - count; len = ip->cols - sx; break; default: return; } if (src > dst) { while (len--) *dst++ = *src++; } else { src = &src[len]; dst = &dst[len]; while (len--) *--dst = *--src; } } static void et_inittextmode(ip, etregs, loadfont) struct ite_softc *ip; et_sv_reg_t *etregs; int loadfont; { volatile u_char *ba; font_info *fd; u_char *fb; u_char *c, *f, tmp; u_short z, y; int s; view_t *v = viewview(ip->grf->g_viewdev); et_sv_reg_t loc_regs; if (etregs == NULL) { etregs = &loc_regs; et_hwsave(etregs); } ba = ((ipriv_t*)ip->priv)->regkva; fb = v->bitmap->plane; #if defined(KFONT_8X8) fd = &font_info_8x8; #else fd = &font_info_8x16; #endif if (loadfont) { /* XXX: We should set the colormap */ /* * set colors (B&W) */ vgaw(ba, VDAC_ADDRESS_W, 0); for (z = 0; z < 256; z++) { y = (z & 1) ? ((z > 7) ? 2 : 1) : 0; vgaw(ba, VDAC_DATA, etconscolors[y][0]); vgaw(ba, VDAC_DATA, etconscolors[y][1]); vgaw(ba, VDAC_DATA, etconscolors[y][2]); } /* * Enter a suitable mode to download the font. This * basically means sequential addressing mode */ s = splhigh(); WAttr(ba, 0x20 | ACT_ID_ATTR_MODE_CNTL, 0x0a); WSeq(ba, SEQ_ID_MAP_MASK, 0x04); WSeq(ba, SEQ_ID_MEMORY_MODE, 0x06); WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x02); WGfx(ba, GCT_ID_GRAPHICS_MODE, 0x00); WGfx(ba, GCT_ID_MISC, 0x04); splx(s); /* * load text font into beginning of display memory. Each * character cell is 32 bytes long (enough for 4 planes) */ for (z = 0, c = fb; z < 256 * 32; z++) *c++ = 0; c = (unsigned char *) (fb) + (32 * fd->font_lo); f = fd->font_p; z = fd->font_lo; for (; z <= fd->font_hi; z++, c += (32 - fd->height)) for (y = 0; y < fd->height; y++) { *c++ = *f++; } } /* * Odd/Even addressing */ etregs->seq[SEQ_ID_MAP_MASK] = 0x03; etregs->seq[SEQ_ID_MEMORY_MODE] = 0x03; etregs->grf[GCT_ID_READ_MAP_SELECT] = 0x00; etregs->grf[GCT_ID_GRAPHICS_MODE] = 0x10; etregs->grf[GCT_ID_MISC] = 0x06; /* * Font height + underline location */ tmp = etregs->crt[CRT_ID_MAX_ROW_ADDRESS] & 0xe0; etregs->crt[CRT_ID_MAX_ROW_ADDRESS] = tmp | (fd->height - 1); tmp = etregs->crt[CRT_ID_UNDERLINE_LOC] & 0xe0; etregs->crt[CRT_ID_UNDERLINE_LOC] = tmp | (fd->height - 1); /* * Cursor setup */ etregs->crt[CRT_ID_CURSOR_START] = 0x00; etregs->crt[CRT_ID_CURSOR_END] = fd->height - 1; etregs->crt[CRT_ID_CURSOR_LOC_HIGH] = 0x00; etregs->crt[CRT_ID_CURSOR_LOC_LOW] = 0x00; /* * Enter text mode */ etregs->crt[CRT_ID_MODE_CONTROL] = 0xa3; etregs->attr[ACT_ID_ATTR_MODE_CNTL] = 0x0a; #if 1 if (loadfont || (etregs == &loc_regs)) #else if (etregs == &loc_regs) #endif et_hwrest(etregs); }