/* $NetBSD: vidcvideo.c,v 1.2 2001/11/27 01:03:53 thorpej Exp $ */ /* * Copyright (c) 2001 Reinoud Zandijk * Copyright (c) 1998, 1999 Tohru Nishimura. 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 Tohru Nishimura * and Reinoud Zandijk for the NetBSD Project. * 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. * * Created vidcvideo.c from /dev/tc/cfb.c to fit the Acorn/ARM VIDC1 and VIDC20 chips * */ #include /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: vidcvideo.c,v 1.2 2001/11/27 01:03:53 thorpej Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* for vidc_mode ... needs to be MI indepenent one day */ #include #include #include extern videomemory_t videomemory; #define machine_btop(x) arm_byte_to_page(x) #define MACHINE_KSEG0_TO_PHYS(x) vtophys(x) /* FOR DEBUG */ extern videomemory_t videomemory; struct fb_devconfig { vaddr_t dc_vaddr; /* memory space virtual base address */ paddr_t dc_paddr; /* memory space physical base address */ vsize_t dc_size; /* size of slot memory */ int dc_wid; /* width of frame buffer */ int dc_ht; /* height of frame buffer */ int dc_log2_depth; /* log2 of bits per pixel */ int dc_depth; /* depth, bits per pixel */ int dc_rowbytes; /* bytes in a FB scan line */ vaddr_t dc_videobase; /* base of flat frame buffer */ int dc_blanked; /* currently has video disabled */ void *dc_hwscroll_cookie; /* cookie for hardware scroll */ struct vidc_mode mode_info; struct rasops_info rinfo; }; struct hwcmap256 { #define CMAP_SIZE 256 /* 256 R/G/B entries */ u_int8_t r[CMAP_SIZE]; u_int8_t g[CMAP_SIZE]; u_int8_t b[CMAP_SIZE]; }; /* XXX for CURSOR_MAX_WIDTH = 32 */ struct hwcursor32 { struct wsdisplay_curpos cc_pos; struct wsdisplay_curpos cc_hot; struct wsdisplay_curpos cc_size; struct wsdisplay_curpos cc_magic; u_int8_t cc_color[6]; /* how many? */ u_int32_t cc_image[(CURSOR_MAX_WIDTH/4) * CURSOR_MAX_HEIGHT]; u_int32_t cc_mask[(CURSOR_MAX_WIDTH/4) * CURSOR_MAX_HEIGHT]; }; struct vidcvideo_softc { struct device sc_dev; struct fb_devconfig *sc_dc; /* device configuration */ struct hwcmap256 sc_cmap; /* software copy of colormap */ struct hwcursor32 sc_cursor; /* software copy of cursor */ int sc_curenb; /* cursor sprite enabled */ int sc_changed; /* need update of hardware */ #define WSDISPLAY_CMAP_DOLUT 0x20 #define WSDISPLAY_VIDEO_ONOFF 0x40 int nscreens; }; /* XXX has to go XXX */ #define CX_MAGIC_X 220 #define CX_MAGIC_Y 35 #define CX_FB_OFFSET 0x000000 #define CX_FB_SIZE 0x100000 #define CX_BT459_OFFSET 0x200000 #define CX_OFFSET_IREQ 0x300000 /* Interrupt req. control */ /* XXX till here XXX */ /* Function prototypes for glue */ static int vidcvideo_match __P((struct device *, struct cfdata *, void *)); static void vidcvideo_attach __P((struct device *, struct device *, void *)); /* config glue */ const struct cfattach vidcvideo_ca = { sizeof(struct vidcvideo_softc), vidcvideo_match, vidcvideo_attach, }; static struct fb_devconfig vidcvideo_console_dc; static int vidcvideo_is_console; static struct wsscreen_descr vidcvideo_stdscreen = { "std", 0, 0, 0, /* textops */ 0, 0, WSSCREEN_REVERSE }; static const struct wsscreen_descr *_vidcvideo_scrlist[] = { &vidcvideo_stdscreen, }; static const struct wsscreen_list vidcvideo_screenlist = { sizeof(_vidcvideo_scrlist) / sizeof(struct wsscreen_descr *), _vidcvideo_scrlist }; static int vidcvideoioctl __P((void *, u_long, caddr_t, int, struct proc *)); static paddr_t vidcvideommap __P((void *, off_t, int)); static int vidcvideo_alloc_screen __P((void *, const struct wsscreen_descr *, void **, int *, int *, long *)); static void vidcvideo_free_screen __P((void *, void *)); static int vidcvideo_show_screen __P((void *, void *, int, void (*) (void *, int, int), void *)); static const struct wsdisplay_accessops vidcvideo_accessops = { vidcvideoioctl, vidcvideommap, vidcvideo_alloc_screen, vidcvideo_free_screen, vidcvideo_show_screen, 0 /* load_font */ }; /* Function prototypes */ int vidcvideo_cnattach __P((vaddr_t)); static void vidcvideo_colourmap_and_cursor_init __P((struct fb_devconfig *)); static int get_cmap __P((struct vidcvideo_softc *, struct wsdisplay_cmap *)); static int set_cmap __P((struct vidcvideo_softc *, struct wsdisplay_cmap *)); static int set_cursor __P((struct vidcvideo_softc *, struct wsdisplay_cursor *)); static int get_cursor __P((struct vidcvideo_softc *, struct wsdisplay_cursor *)); static void set_curpos __P((struct vidcvideo_softc *, struct wsdisplay_curpos *)); static void vidcvideo_getdevconfig __P((vaddr_t, struct fb_devconfig *)); static int vidcvideointr __P((void *)); /* Acceleration function prototypes */ static void vv_copyrows __P((void *, int, int, int)); static void vv_eraserows __P((void *, int, int, long)); static int vidcvideo_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { /* Can't probe AFAIK ; how ? */ return (1); } static void vidcvideo_getdevconfig(dense_addr, dc) vaddr_t dense_addr; struct fb_devconfig *dc; { dc->dc_vaddr = dense_addr; dc->dc_paddr = MACHINE_KSEG0_TO_PHYS(dc->dc_vaddr); vidcvideo_getmode(&dc->mode_info); dc->dc_wid = dc->mode_info.hder; dc->dc_ht = dc->mode_info.vder; dc->dc_log2_depth = dc->mode_info.log2_bpp; dc->dc_depth = 1 << dc->dc_log2_depth; dc->dc_videobase = dc->dc_vaddr; dc->dc_blanked = 0; /* this should/could be done somewhat more elegant! */ switch (dc->dc_depth) { case 1: dc->dc_rowbytes = dc->dc_wid / 8; break; case 2: dc->dc_rowbytes = dc->dc_wid / 4; break; case 4: dc->dc_rowbytes = dc->dc_wid / 2; break; case 8: dc->dc_rowbytes = dc->dc_wid; break; case 16: dc->dc_rowbytes = dc->dc_wid * 2; break; case 32: dc->dc_rowbytes = dc->dc_wid * 4; break; default: printf("Unknown colour depth %d ... what to do ?", dc->dc_depth); break; }; /* euhm... correct ? i.e. not complete VIDC memory */ dc->dc_size = dc->mode_info.vder * dc->dc_rowbytes; /* initialize colormap and cursor resource */ vidcvideo_colourmap_and_cursor_init(dc); dc->rinfo.ri_flg = 0; /* RI_CENTER; */ dc->rinfo.ri_depth = dc->dc_depth; dc->rinfo.ri_bits = (void *) dc->dc_videobase; dc->rinfo.ri_width = dc->dc_wid; dc->rinfo.ri_height = dc->dc_ht; dc->rinfo.ri_stride = dc->dc_rowbytes; dc->rinfo.ri_hw = NULL; } static void vidcvideo_config_wscons(dc) struct fb_devconfig *dc; { int i, cookie, font_locked; /* clear the screen ; why not a memset ? - it was this way so keep it for now */ for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t)) *(u_int32_t *)(dc->dc_videobase + i) = 0x0; wsfont_init(); /* prefer 8 pixel wide font */ if ((cookie = wsfont_find(NULL, 8, 0, 0)) <= 0) cookie = wsfont_find(NULL, 0, 0, 0); if (cookie < 0) { /* Can I even print here ? */ printf("Font table empty! exiting\n"); return; }; font_locked = wsfont_lock(cookie, &dc->rinfo.ri_font, WSDISPLAY_FONTORDER_L2R, WSDISPLAY_FONTORDER_L2R); dc->rinfo.ri_wsfcookie = cookie; rasops_init(&dc->rinfo, dc->rinfo.ri_height / dc->rinfo.ri_font->fontheight, dc->rinfo.ri_width / dc->rinfo.ri_font->fontwidth ); /* XXX add our accelerated functions */ dc->rinfo.ri_ops.eraserows = vv_eraserows; dc->rinfo.ri_ops.copyrows = vv_copyrows; /* XXX shouldn't be global */ vidcvideo_stdscreen.nrows = dc->rinfo.ri_rows; vidcvideo_stdscreen.ncols = dc->rinfo.ri_cols; vidcvideo_stdscreen.textops = &dc->rinfo.ri_ops; vidcvideo_stdscreen.capabilities = dc->rinfo.ri_caps; if (font_locked < 0) { printf(" warning ... couldn't lock font! "); }; } static void vidcvideo_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct vidcvideo_softc *sc = (struct vidcvideo_softc *)self; struct wsemuldisplaydev_attach_args waa; struct hwcmap256 *cm; const u_int8_t *p; int index; vidcvideo_init(); if (sc->nscreens == 0) { if (vidcvideo_is_console) { sc->sc_dc = &vidcvideo_console_dc; } else { printf(" : non console vidcvideo fb ... can't cope with this\n"); return; /* * sc->sc_dc = (struct fb_devconfig *) * malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK); * vidcvideo_getdevconfig(videomemory.vidm_vbase, sc->sc_dc); */ }; sc->nscreens = 1; } else { printf(": allready attached ... can't cope with this\n"); return; }; vidcvideo_printdetails(); printf(": using %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht, sc->sc_dc->dc_depth); /* initialise rasops */ cm = &sc->sc_cmap; p = rasops_cmap; for (index = 0; index < CMAP_SIZE; index++, p += 3) { cm->r[index] = p[0]; cm->g[index] = p[1]; cm->b[index] = p[2]; } /* what does these do ? */ sc->sc_cursor.cc_magic.x = CX_MAGIC_X; sc->sc_cursor.cc_magic.y = CX_MAGIC_Y; /* set up interrupt flags */ sc->sc_changed |= WSDISPLAY_CMAP_DOLUT; /* set up a link in the rasops structure to our softc for acceleration stuff */ sc->sc_dc->rinfo.ri_hw = sc; /* Establish an interrupt handler, and clear any pending interrupts */ intr_claim(IRQ_FLYBACK, IPL_TTY, "vblank", vidcvideointr, sc); waa.console = (vidcvideo_is_console ? 1 : 0); waa.scrdata = &vidcvideo_screenlist; waa.accessops = &vidcvideo_accessops; waa.accesscookie = sc; config_found(self, &waa, wsemuldisplaydevprint); } static int vidcvideoioctl(v, cmd, data, flag, p) void *v; u_long cmd; caddr_t data; int flag; struct proc *p; { struct vidcvideo_softc *sc = v; struct fb_devconfig *dc = sc->sc_dc; int state; switch (cmd) { case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_VIDC; return (0); case WSDISPLAYIO_GINFO: #define wsd_fbip ((struct wsdisplay_fbinfo *)data) wsd_fbip->height = sc->sc_dc->dc_ht; wsd_fbip->width = sc->sc_dc->dc_wid; wsd_fbip->depth = sc->sc_dc->dc_depth; wsd_fbip->cmsize = CMAP_SIZE; #undef fbt return (0); case WSDISPLAYIO_GETCMAP: return get_cmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_PUTCMAP: return set_cmap(sc, (struct wsdisplay_cmap *)data); case WSDISPLAYIO_SVIDEO: state = *(int *)data; dc->dc_blanked = (state == WSDISPLAYIO_VIDEO_OFF); sc->sc_changed |= WSDISPLAY_VIDEO_ONOFF; /* done on video blank */ return (0); case WSDISPLAYIO_GVIDEO: *(u_int *)data = dc->dc_blanked ? WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON; return (0); case WSDISPLAYIO_GCURPOS: *(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos; return (0); case WSDISPLAYIO_SCURPOS: set_curpos(sc, (struct wsdisplay_curpos *)data); sc->sc_changed |= WSDISPLAY_CURSOR_DOPOS; return (0); case WSDISPLAYIO_GCURMAX: ((struct wsdisplay_curpos *)data)->x = CURSOR_MAX_WIDTH; ((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_HEIGHT; return (0); case WSDISPLAYIO_GCURSOR: return get_cursor(sc, (struct wsdisplay_cursor *)data); case WSDISPLAYIO_SCURSOR: return set_cursor(sc, (struct wsdisplay_cursor *)data); case WSDISPLAYIO_SMODE: state = *(int *)data; if (state == WSDISPLAYIO_MODE_MAPPED) { dc->dc_hwscroll_cookie = vidcvideo_hwscroll_reset(); }; if (state == WSDISPLAYIO_MODE_EMUL) { vidcvideo_hwscroll_back(dc->dc_hwscroll_cookie); }; vidcvideo_progr_scroll(); return (0); } return ENOTTY; } paddr_t vidcvideommap(v, offset, prot) void *v; off_t offset; int prot; { struct vidcvideo_softc *sc = v; if (offset >= sc->sc_dc->dc_size || offset < 0) return (-1); return machine_btop(sc->sc_dc->dc_paddr + offset); } static int vidcvideo_alloc_screen(v, type, cookiep, curxp, curyp, attrp) void *v; const struct wsscreen_descr *type; void **cookiep; int *curxp, *curyp; long *attrp; { struct vidcvideo_softc *sc = v; long defattr; if (sc->nscreens > 0) return (ENOMEM); *cookiep = &sc->sc_dc->rinfo; /* one and only for now */ *curxp = 0; *curyp = 0; (*sc->sc_dc->rinfo.ri_ops.alloc_attr)(&sc->sc_dc->rinfo, 0, 0, 0, &defattr); *attrp = defattr; sc->nscreens++; return (0); } static void vidcvideo_free_screen(v, cookie) void *v; void *cookie; { struct vidcvideo_softc *sc = v; if (sc->sc_dc == &vidcvideo_console_dc) panic("vidcvideo_free_screen: console"); sc->nscreens--; } static int vidcvideo_show_screen(v, cookie, waitok, cb, cbarg) void *v; void *cookie; int waitok; void (*cb) __P((void *, int, int)); void *cbarg; { return (0); } /* EXPORT */ int vidcvideo_cnattach(addr) vaddr_t addr; { struct fb_devconfig *dcp = &vidcvideo_console_dc; long defattr; vidcvideo_init(); vidcvideo_getdevconfig(addr, dcp); vidcvideo_config_wscons(dcp); (*dcp->rinfo.ri_ops.alloc_attr)(&dcp->rinfo, 0, 0, 0, &defattr); wsdisplay_cnattach(&vidcvideo_stdscreen, &dcp->rinfo, 0, 0, defattr); vidcvideo_is_console = 1; return(0); } static int vidcvideointr(arg) void *arg; { struct vidcvideo_softc *sc = arg; int v; v = sc->sc_changed; if (v == 0) return (1); if (v & WSDISPLAY_CMAP_DOLUT) { struct hwcmap256 *cm = &sc->sc_cmap; int index; if (sc->sc_dc->dc_depth == 4) { /* palette for 4 bpp is different from 8bpp */ vidcvideo_write(VIDC_PALREG, 0x00000000); for (index=0; index < 1<sc_dc->dc_depth; index++) vidcvideo_write(VIDC_PALETTE, VIDC_COL(cm->r[index], cm->g[index], cm->b[index])); ; }; if (sc->sc_dc->dc_depth == 8) { /* XXX dunno what to do in less than 8bpp */ /* palettes only make sense in 8bpp and less modes on VIDC */ vidcvideo_write(VIDC_PALREG, 0x00000000); for (index = 0; index < CMAP_SIZE; index++) { vidcvideo_write(VIDC_PALETTE, VIDC_COL(cm->r[index], cm->g[index], cm->b[index]) ); }; }; } if (v & WSDISPLAY_VIDEO_ONOFF) { vidcvideo_blank(sc->sc_dc->dc_blanked); }; if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { int x, y; x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x; y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y; vidcvideo_updatecursor(x, y); }; if (v & WSDISPLAY_CURSOR_DOCUR) { vidcvideo_enablecursor(sc->sc_curenb); }; #if 0 /* XXX snip XXX */ /* XXX kept here as an archive for now XXX */ vdac = vidcvideobase + CX_BT459_OFFSET; v = sc->sc_changed; if (v & WSDISPLAY_CURSOR_DOCUR) { SELECT(vdac, BT459_IREG_CCR); REG(vdac, bt_reg) = (sc->sc_curenb) ? 0xc0 : 0x00; } if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOHOT)) { int x, y; x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x; y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y; x += sc->sc_cursor.cc_magic.x; y += sc->sc_cursor.cc_magic.y; SELECT(vdac, BT459_IREG_CURSOR_X_LOW); REG(vdac, bt_reg) = x; tc_wmb(); REG(vdac, bt_reg) = x >> 8; tc_wmb(); REG(vdac, bt_reg) = y; tc_wmb(); REG(vdac, bt_reg) = y >> 8; tc_wmb(); } if (v & WSDISPLAY_CURSOR_DOCMAP) { u_int8_t *cp = sc->sc_cursor.cc_color; SELECT(vdac, BT459_IREG_CCOLOR_2); REG(vdac, bt_reg) = cp[1]; tc_wmb(); REG(vdac, bt_reg) = cp[3]; tc_wmb(); REG(vdac, bt_reg) = cp[5]; tc_wmb(); REG(vdac, bt_reg) = cp[0]; tc_wmb(); REG(vdac, bt_reg) = cp[2]; tc_wmb(); REG(vdac, bt_reg) = cp[4]; tc_wmb(); } if (v & WSDISPLAY_CURSOR_DOSHAPE) { u_int8_t *ip, *mp, img, msk; u_int8_t u; int bcnt; ip = (u_int8_t *)sc->sc_cursor.cc_image; mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_HEIGHT); bcnt = 0; SELECT(vdac, BT459_IREG_CRAM_BASE+0); /* 64 pixel scan line is consisted with 16 byte cursor ram */ while (bcnt < sc->sc_cursor.cc_size.y * 16) { /* pad right half 32 pixel when smaller than 33 */ if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) { REG(vdac, bt_reg) = 0; tc_wmb(); REG(vdac, bt_reg) = 0; tc_wmb(); } else { img = *ip++; msk = *mp++; img &= msk; /* cookie off image */ u = (msk & 0x0f) << 4 | (img & 0x0f); REG(vdac, bt_reg) = shuffle[u]; tc_wmb(); u = (msk & 0xf0) | (img & 0xf0) >> 4; REG(vdac, bt_reg) = shuffle[u]; tc_wmb(); } bcnt += 2; } /* pad unoccupied scan lines */ while (bcnt < CURSOR_MAX_HEIGHT * 16) { REG(vdac, bt_reg) = 0; tc_wmb(); REG(vdac, bt_reg) = 0; tc_wmb(); bcnt += 2; } } #endif /* XXX snip XXX */ sc->sc_changed = 0; return (1); } static u_char ri_col_data[6][6] = { { 0, 0, 0, 0, 0, 0}, /* 1 bpp */ { 0, 0, 0, 0, 0, 0}, /* 2 bpp */ { 0, 0, 0, 0, 0, 0}, /* 4 bpp */ { 0, 0, 0, 0, 0, 0}, /* 8 bpp */ { 5, 5, 5, 0, 5, 10}, /* 16 bpp */ { 8, 8, 8, 0, 8, 16}, /* 32 bpp */ }; static void vidcvideo_colourmap_and_cursor_init(dc) struct fb_devconfig *dc; { struct rasops_info *ri = &dc->rinfo; u_char *rgbdat; /* Whatever we do later... just make sure we have a * sane palette to start with */ vidcvideo_stdpalette(); /* set up rgb bit pattern values for rasops_init */ rgbdat = ri_col_data[dc->dc_log2_depth]; ri->ri_rnum = rgbdat[0]; ri->ri_gnum = rgbdat[1]; ri->ri_bnum = rgbdat[2]; ri->ri_rpos = rgbdat[3]; ri->ri_gpos = rgbdat[4]; ri->ri_bpos = rgbdat[5]; } static int get_cmap(sc, p) struct vidcvideo_softc *sc; struct wsdisplay_cmap *p; { u_int index = p->index, count = p->count; if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) return (EINVAL); if (!uvm_useracc(p->red, count, B_WRITE) || !uvm_useracc(p->green, count, B_WRITE) || !uvm_useracc(p->blue, count, B_WRITE)) return (EFAULT); copyout(&sc->sc_cmap.r[index], p->red, count); copyout(&sc->sc_cmap.g[index], p->green, count); copyout(&sc->sc_cmap.b[index], p->blue, count); return (0); } static int set_cmap(sc, p) struct vidcvideo_softc *sc; struct wsdisplay_cmap *p; { u_int index = p->index, count = p->count; if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE) return (EINVAL); if (!uvm_useracc(p->red, count, B_READ) || !uvm_useracc(p->green, count, B_READ) || !uvm_useracc(p->blue, count, B_READ)) return (EFAULT); copyin(p->red, &sc->sc_cmap.r[index], count); copyin(p->green, &sc->sc_cmap.g[index], count); copyin(p->blue, &sc->sc_cmap.b[index], count); sc->sc_changed |= WSDISPLAY_CMAP_DOLUT; return (0); } static int set_cursor(sc, p) struct vidcvideo_softc *sc; struct wsdisplay_cursor *p; { #define cc (&sc->sc_cursor) u_int v, index, count, icount; v = p->which; if (v & WSDISPLAY_CURSOR_DOCMAP) { index = p->cmap.index; count = p->cmap.count; if (index >= CURSOR_MAX_COLOURS || (index + count) > CURSOR_MAX_COLOURS) return (EINVAL); if (!uvm_useracc(p->cmap.red, count, B_READ) || !uvm_useracc(p->cmap.green, count, B_READ) || !uvm_useracc(p->cmap.blue, count, B_READ)) return (EFAULT); } if (v & WSDISPLAY_CURSOR_DOSHAPE) { if (p->size.x > CURSOR_MAX_WIDTH || p->size.y > CURSOR_MAX_HEIGHT) return (EINVAL); icount = sizeof(u_int32_t) * p->size.y; if (!uvm_useracc(p->image, icount, B_READ) || !uvm_useracc(p->mask, icount, B_READ)) return (EFAULT); } if (v & WSDISPLAY_CURSOR_DOCUR) sc->sc_curenb = p->enable; if (v & WSDISPLAY_CURSOR_DOPOS) set_curpos(sc, &p->pos); if (v & WSDISPLAY_CURSOR_DOHOT) cc->cc_hot = p->hot; if (v & WSDISPLAY_CURSOR_DOCMAP) { copyin(p->cmap.red, &cc->cc_color[index], count); copyin(p->cmap.green, &cc->cc_color[index + 2], count); copyin(p->cmap.blue, &cc->cc_color[index + 4], count); } if (v & WSDISPLAY_CURSOR_DOSHAPE) { cc->cc_size = p->size; memset(cc->cc_image, 0, sizeof cc->cc_image); memset(cc->cc_mask, 0, sizeof cc->cc_mask); copyin(p->image, cc->cc_image, icount); copyin(p->mask, cc->cc_mask, icount); } sc->sc_changed |= v; return (0); #undef cc } static int get_cursor(sc, p) struct vidcvideo_softc *sc; struct wsdisplay_cursor *p; { return (ENOTTY); /* XXX */ } static void set_curpos(sc, curpos) struct vidcvideo_softc *sc; struct wsdisplay_curpos *curpos; { struct fb_devconfig *dc = sc->sc_dc; int x = curpos->x, y = curpos->y; if (y < 0) y = 0; else if (y > dc->dc_ht) y = dc->dc_ht; if (x < 0) x = 0; else if (x > dc->dc_wid) x = dc->dc_wid; sc->sc_cursor.cc_pos.x = x; sc->sc_cursor.cc_pos.y = y; } static void vv_copyrows(id, srcrow, dstrow, nrows) void *id; int srcrow, dstrow, nrows; { struct rasops_info *ri = id; int height, offset, size; int scrollup, scrolldown; unsigned char *src, *dst; /* All movements are done in multiples of character heigths */ height = ri->ri_font->fontheight * nrows; offset = (srcrow - dstrow) * ri->ri_yscale; size = height * ri->ri_stride; /* check if we are full screen scrolling */ scrollup = (srcrow + nrows >= ri->ri_rows); scrolldown = (dstrow + nrows >= ri->ri_rows); if ((scrollup || scrolldown) && (videomemory.vidm_type == VIDEOMEM_TYPE_VRAM)) { ri->ri_bits = vidcvideo_hwscroll(offset); vidcvideo_progr_scroll(); /* sadistic ; shouldnt this be on vsync? */ /* wipe out remains of the screen if nessisary */ if (ri->ri_emuheight != ri->ri_height) vv_eraserows(id, ri->ri_rows, 1, NULL); return; }; /* Else we just copy the area : we're braindead for now * Note: we can't use hardware scrolling when the softc isnt known yet... * if its not known we dont have interrupts and we can't change the display * address reliable other than in a Vsync */ src = ri->ri_bits + srcrow * ri->ri_font->fontheight * ri->ri_stride; dst = ri->ri_bits + dstrow * ri->ri_font->fontheight * ri->ri_stride; bcopy(src, dst, size); } static void vv_eraserows(id, startrow, nrows, attr) void *id; int startrow, nrows; long attr; { struct rasops_info *ri = id; int height; unsigned char *src; /* we're braindead for now */ height = ri->ri_font->fontheight * nrows * ri->ri_stride; src = ri->ri_bits + startrow * ri->ri_font->fontheight * ri->ri_stride; bzero(src, height); }