/*- * Copyright (c) 1999 Kazutaka YOKOTA * All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Sascha Wildner * * 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 as * the first lines of this file unmodified. * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. * * $FreeBSD: src/sys/dev/syscons/scvgarndr.c,v 1.5.2.3 2001/07/28 12:51:47 yokota Exp $ * $DragonFly: src/sys/dev/misc/syscons/scvgarndr.c,v 1.10 2005/02/13 03:29:17 swildner Exp $ */ #include "opt_syscons.h" #include "opt_vga.h" #include #include #include #include #include #include #include "syscons.h" #include #ifndef SC_RENDER_DEBUG #define SC_RENDER_DEBUG 0 #endif static vr_clear_t vga_txtclear; static vr_draw_border_t vga_txtborder; static vr_draw_t vga_txtdraw; static vr_set_cursor_t vga_txtcursor_shape; static vr_draw_cursor_t vga_txtcursor; static vr_blink_cursor_t vga_txtblink; #ifndef SC_NO_CUTPASTE static vr_draw_mouse_t vga_txtmouse; #else #define vga_txtmouse (vr_draw_mouse_t *)vga_nop #endif #ifdef SC_PIXEL_MODE static vr_init_t vga_rndrinit; static vr_clear_t vga_pxlclear_direct; static vr_clear_t vga_pxlclear_planar; static vr_draw_border_t vga_pxlborder_direct; static vr_draw_border_t vga_pxlborder_planar; static vr_draw_t vga_egadraw; static vr_draw_t vga_vgadraw_direct; static vr_draw_t vga_vgadraw_planar; static vr_set_cursor_t vga_pxlcursor_shape; static vr_draw_cursor_t vga_pxlcursor_direct; static vr_draw_cursor_t vga_pxlcursor_planar; static vr_blink_cursor_t vga_pxlblink_direct; static vr_blink_cursor_t vga_pxlblink_planar; #ifndef SC_NO_CUTPASTE static vr_draw_mouse_t vga_pxlmouse_direct; static vr_draw_mouse_t vga_pxlmouse_planar; #else #define vga_pxlmouse_direct (vr_draw_mouse_t *)vga_nop #define vga_pxlmouse_planar (vr_draw_mouse_t *)vga_nop #endif #endif /* SC_PIXEL_MODE */ #ifndef SC_NO_MODE_CHANGE static vr_draw_border_t vga_grborder; #endif static void vga_nop(scr_stat *scp, ...); static sc_rndr_sw_t txtrndrsw = { (vr_init_t *)vga_nop, vga_txtclear, vga_txtborder, vga_txtdraw, vga_txtcursor_shape, vga_txtcursor, vga_txtblink, (vr_set_mouse_t *)vga_nop, vga_txtmouse, }; RENDERER(mda, 0, txtrndrsw, vga_set); RENDERER(cga, 0, txtrndrsw, vga_set); RENDERER(ega, 0, txtrndrsw, vga_set); RENDERER(vga, 0, txtrndrsw, vga_set); #ifdef SC_PIXEL_MODE static sc_rndr_sw_t egarndrsw = { (vr_init_t *)vga_nop, vga_pxlclear_planar, vga_pxlborder_planar, vga_egadraw, vga_pxlcursor_shape, vga_pxlcursor_planar, vga_pxlblink_planar, (vr_set_mouse_t *)vga_nop, vga_pxlmouse_planar, }; RENDERER(ega, PIXEL_MODE, egarndrsw, vga_set); static sc_rndr_sw_t vgarndrsw = { vga_rndrinit, (vr_clear_t *)vga_nop, (vr_draw_border_t *)vga_nop, (vr_draw_t *)vga_nop, vga_pxlcursor_shape, (vr_draw_cursor_t *)vga_nop, (vr_blink_cursor_t *)vga_nop, (vr_set_mouse_t *)vga_nop, (vr_draw_mouse_t *)vga_nop, }; RENDERER(vga, PIXEL_MODE, vgarndrsw, vga_set); #endif /* SC_PIXEL_MODE */ #ifndef SC_NO_MODE_CHANGE static sc_rndr_sw_t grrndrsw = { (vr_init_t *)vga_nop, (vr_clear_t *)vga_nop, vga_grborder, (vr_draw_t *)vga_nop, (vr_set_cursor_t *)vga_nop, (vr_draw_cursor_t *)vga_nop, (vr_blink_cursor_t *)vga_nop, (vr_set_mouse_t *)vga_nop, (vr_draw_mouse_t *)vga_nop, }; RENDERER(cga, GRAPHICS_MODE, grrndrsw, vga_set); RENDERER(ega, GRAPHICS_MODE, grrndrsw, vga_set); RENDERER(vga, GRAPHICS_MODE, grrndrsw, vga_set); #endif /* SC_NO_MODE_CHANGE */ RENDERER_MODULE(vga, vga_set); #ifndef SC_NO_CUTPASTE static u_short mouse_and_mask[16] = { 0xc000, 0xe000, 0xf000, 0xf800, 0xfc00, 0xfe00, 0xff00, 0xff80, 0xfe00, 0x1e00, 0x1f00, 0x0f00, 0x0f00, 0x0000, 0x0000, 0x0000 }; static u_short mouse_or_mask[16] = { 0x0000, 0x4000, 0x6000, 0x7000, 0x7800, 0x7c00, 0x7e00, 0x6800, 0x0c00, 0x0c00, 0x0600, 0x0600, 0x0000, 0x0000, 0x0000, 0x0000 }; #endif #ifdef SC_PIXEL_MODE #define VIDEO_MEMORY_POS(scp, pos, x) \ scp->sc->adp->va_window + \ x * scp->xoff + \ scp->yoff * scp->font_size * scp->sc->adp->va_line_width + \ x * (pos % scp->xsize) + \ scp->font_size * scp->sc->adp->va_line_width * (pos / scp->xsize) #define vga_drawpxl(pos, color) \ switch (scp->sc->adp->va_info.vi_depth) { \ case 32: \ case 24: \ writel(pos, vga_palette32[color]); \ break; \ case 16: \ if (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5)\ writew(pos, vga_palette15[color]); \ else \ writew(pos, vga_palette16[color]); \ break; \ case 15: \ writew(pos, vga_palette15[color]); \ break; \ } static uint32_t vga_palette32[16] = { 0x000000, 0x0000ad, 0x00ad00, 0x00adad, 0xad0000, 0xad00ad, 0xad5200, 0xadadad, 0x525252, 0x5252ff, 0x52ff52, 0x52ffff, 0xff5252, 0xff52ff, 0xffff52, 0xffffff }; static uint16_t vga_palette16[16] = { 0x0000, 0x0016, 0x0560, 0x0576, 0xb000, 0xb016, 0xb2a0, 0xb576, 0x52aa, 0x52bf, 0x57ea, 0x57ff, 0xfaaa, 0xfabf, 0xffea, 0xffff }; static uint16_t vga_palette15[16] = { 0x0000, 0x0016, 0x02c0, 0x02d6, 0x5800, 0x5816, 0x5940, 0x5ad6, 0x294a, 0x295f, 0x2bea, 0x2bff, 0x7d4a, 0x7d5f, 0x7fea, 0x7fff }; #ifndef SC_NO_CUTPASTE static uint32_t mouse_buf32[256]; static uint16_t mouse_buf16[256]; #endif #endif static void vga_nop(scr_stat *scp, ...) { } /* text mode renderer */ static void vga_txtclear(scr_stat *scp, int c, int attr) { sc_vtb_clear(&scp->scr, c, attr); } static void vga_txtborder(scr_stat *scp, int color) { (*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color); } static void vga_txtdraw(scr_stat *scp, int from, int count, int flip) { vm_offset_t p; int c; int a; if (from + count > scp->xsize*scp->ysize) count = scp->xsize*scp->ysize - from; if (flip) { for (p = sc_vtb_pointer(&scp->scr, from); count-- > 0; ++from) { c = sc_vtb_getc(&scp->vtb, from); a = sc_vtb_geta(&scp->vtb, from); a = (a & 0x8800) | ((a & 0x7000) >> 4) | ((a & 0x0700) << 4); p = sc_vtb_putchar(&scp->scr, p, c, a); } } else { sc_vtb_copy(&scp->vtb, from, &scp->scr, from, count); } } static void vga_txtcursor_shape(scr_stat *scp, int base, int height, int blink) { if (base < 0 || base >= scp->font_size) return; /* the caller may set height <= 0 in order to disable the cursor */ #if 0 scp->cursor_base = base; scp->cursor_height = height; #endif (*vidsw[scp->sc->adapter]->set_hw_cursor_shape)(scp->sc->adp, base, height, scp->font_size, blink); } static void draw_txtcharcursor(scr_stat *scp, int at, u_short c, u_short a, int flip) { sc_softc_t *sc; sc = scp->sc; scp->cursor_saveunder_char = c; scp->cursor_saveunder_attr = a; #ifndef SC_NO_FONT_LOADING if (sc->flags & SC_CHAR_CURSOR) { unsigned char *font; int h; int i; if (scp->font_size < 14) { font = sc->font_8; h = 8; } else if (scp->font_size >= 16) { font = sc->font_16; h = 16; } else { font = sc->font_14; h = 14; } if (scp->cursor_base >= h) return; if (flip) a = (a & 0x8800) | ((a & 0x7000) >> 4) | ((a & 0x0700) << 4); bcopy(font + c*h, font + sc->cursor_char*h, h); font = font + sc->cursor_char*h; for (i = imax(h - scp->cursor_base - scp->cursor_height, 0); i < h - scp->cursor_base; ++i) { font[i] ^= 0xff; } sc->font_loading_in_progress = TRUE; /* XXX */ (*vidsw[sc->adapter]->load_font)(sc->adp, 0, h, font, sc->cursor_char, 1); sc->font_loading_in_progress = FALSE; sc_vtb_putc(&scp->scr, at, sc->cursor_char, a); } else #endif /* SC_NO_FONT_LOADING */ { if ((a & 0x7000) == 0x7000) { a &= 0x8f00; if ((a & 0x0700) == 0) a |= 0x0700; } else { a |= 0x7000; if ((a & 0x0700) == 0x0700) a &= 0xf000; } if (flip) a = (a & 0x8800) | ((a & 0x7000) >> 4) | ((a & 0x0700) << 4); sc_vtb_putc(&scp->scr, at, c, a); } } static void vga_txtcursor(scr_stat *scp, int at, int blink, int on, int flip) { video_adapter_t *adp; int cursor_attr; if (scp->cursor_height <= 0) /* the text cursor is disabled */ return; adp = scp->sc->adp; if (blink) { scp->status |= VR_CURSOR_BLINK; if (on) { scp->status |= VR_CURSOR_ON; (*vidsw[adp->va_index]->set_hw_cursor)(adp, at%scp->xsize, at/scp->xsize); } else { if (scp->status & VR_CURSOR_ON) (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1); scp->status &= ~VR_CURSOR_ON; } } else { scp->status &= ~VR_CURSOR_BLINK; if (on) { scp->status |= VR_CURSOR_ON; draw_txtcharcursor(scp, at, sc_vtb_getc(&scp->scr, at), sc_vtb_geta(&scp->scr, at), flip); } else { cursor_attr = scp->cursor_saveunder_attr; if (flip) cursor_attr = (cursor_attr & 0x8800) | ((cursor_attr & 0x7000) >> 4) | ((cursor_attr & 0x0700) << 4); if (scp->status & VR_CURSOR_ON) sc_vtb_putc(&scp->scr, at, scp->cursor_saveunder_char, cursor_attr); scp->status &= ~VR_CURSOR_ON; } } } static void vga_txtblink(scr_stat *scp, int at, int flip) { } #ifndef SC_NO_CUTPASTE static void draw_txtmouse(scr_stat *scp, int x, int y) { #ifndef SC_ALT_MOUSE_IMAGE if (ISMOUSEAVAIL(scp->sc->adp->va_flags)) { u_char font_buf[128]; u_short cursor[32]; u_char c; int pos; int xoffset, yoffset; int crtc_addr; int i; /* prepare mousepointer char's bitmaps */ pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff; bcopy(scp->font + sc_vtb_getc(&scp->scr, pos)*scp->font_size, &font_buf[0], scp->font_size); bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + 1)*scp->font_size, &font_buf[32], scp->font_size); bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + scp->xsize)*scp->font_size, &font_buf[64], scp->font_size); bcopy(scp->font + sc_vtb_getc(&scp->scr, pos + scp->xsize + 1)*scp->font_size, &font_buf[96], scp->font_size); for (i = 0; i < scp->font_size; ++i) { cursor[i] = font_buf[i]<<8 | font_buf[i+32]; cursor[i + scp->font_size] = font_buf[i+64]<<8 | font_buf[i+96]; } /* now and-or in the mousepointer image */ xoffset = x%8; yoffset = y%scp->font_size; for (i = 0; i < 16; ++i) { cursor[i + yoffset] = (cursor[i + yoffset] & ~(mouse_and_mask[i] >> xoffset)) | (mouse_or_mask[i] >> xoffset); } for (i = 0; i < scp->font_size; ++i) { font_buf[i] = (cursor[i] & 0xff00) >> 8; font_buf[i + 32] = cursor[i] & 0xff; font_buf[i + 64] = (cursor[i + scp->font_size] & 0xff00) >> 8; font_buf[i + 96] = cursor[i + scp->font_size] & 0xff; } #if 1 /* wait for vertical retrace to avoid jitter on some videocards */ crtc_addr = scp->sc->adp->va_crtc_addr; while (!(inb(crtc_addr + 6) & 0x08)) /* idle */ ; #endif c = scp->sc->mouse_char; (*vidsw[scp->sc->adapter]->load_font)(scp->sc->adp, 0, 32, font_buf, c, 4); sc_vtb_putc(&scp->scr, pos, c, sc_vtb_geta(&scp->scr, pos)); /* FIXME: may be out of range! */ sc_vtb_putc(&scp->scr, pos + scp->xsize, c + 2, sc_vtb_geta(&scp->scr, pos + scp->xsize)); if (x < (scp->xsize - 1)*8) { sc_vtb_putc(&scp->scr, pos + 1, c + 1, sc_vtb_geta(&scp->scr, pos + 1)); sc_vtb_putc(&scp->scr, pos + scp->xsize + 1, c + 3, sc_vtb_geta(&scp->scr, pos + scp->xsize + 1)); } } else #endif /* SC_ALT_MOUSE_IMAGE */ { /* Red, magenta and brown are mapped to green to to keep it readable */ static const int col_conv[16] = { 6, 6, 6, 6, 2, 2, 2, 6, 14, 14, 14, 14, 10, 10, 10, 14 }; int pos; int color; int a; pos = (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff; a = sc_vtb_geta(&scp->scr, pos); if (scp->sc->adp->va_flags & V_ADP_COLOR) color = (col_conv[(a & 0xf000) >> 12] << 12) | ((a & 0x0f00) | 0x0800); else color = ((a & 0xf000) >> 4) | ((a & 0x0f00) << 4); sc_vtb_putc(&scp->scr, pos, sc_vtb_getc(&scp->scr, pos), color); } } static void remove_txtmouse(scr_stat *scp, int x, int y) { } static void vga_txtmouse(scr_stat *scp, int x, int y, int on) { if (on) draw_txtmouse(scp, x, y); else remove_txtmouse(scp, x, y); } #endif /* SC_NO_CUTPASTE */ #ifdef SC_PIXEL_MODE /* pixel (raster text) mode renderer */ static void vga_rndrinit(scr_stat *scp) { if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_PLANAR) { scp->rndr->clear = vga_pxlclear_planar; scp->rndr->draw_border = vga_pxlborder_planar; scp->rndr->draw = vga_vgadraw_planar; scp->rndr->draw_cursor = vga_pxlcursor_planar; scp->rndr->blink_cursor = vga_pxlblink_planar; scp->rndr->draw_mouse = vga_pxlmouse_planar; } else if (scp->sc->adp->va_info.vi_mem_model == V_INFO_MM_DIRECT) { scp->rndr->clear = vga_pxlclear_direct; scp->rndr->draw_border = vga_pxlborder_direct; scp->rndr->draw = vga_vgadraw_direct; scp->rndr->draw_cursor = vga_pxlcursor_direct; scp->rndr->blink_cursor = vga_pxlblink_direct; scp->rndr->draw_mouse = vga_pxlmouse_direct; } } static void vga_pxlclear_direct(scr_stat *scp, int c, int attr) { vm_offset_t p; int line_width; int pixel_size; int lines; int i; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; lines = scp->ysize * scp->font_size; p = scp->sc->adp->va_window + line_width * scp->yoff * scp->font_size + scp->xoff * 8 * pixel_size; for (i = 0; i < lines; ++i) { bzero_io((void *)p, scp->xsize * 8 * pixel_size); p += line_width; } } static void vga_pxlclear_planar(scr_stat *scp, int c, int attr) { vm_offset_t p; int line_width; int lines; int i; /* XXX: we are just filling the screen with the background color... */ outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, ((attr & 0xf000) >> 4) | 0x00); /* set/reset */ line_width = scp->sc->adp->va_line_width; lines = scp->ysize*scp->font_size; p = scp->sc->adp->va_window + line_width*scp->yoff*scp->font_size + scp->xoff; for (i = 0; i < lines; ++i) { bzero_io((void *)p, scp->xsize); p += line_width; } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_pxlborder_direct(scr_stat *scp, int color) { vm_offset_t s; vm_offset_t e; vm_offset_t f; int line_width; int pixel_size; int x; int y; int i; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; if (scp->yoff > 0) { s = scp->sc->adp->va_window; e = s + line_width * scp->yoff * scp->font_size; for (f = s; f < e; f += pixel_size) vga_drawpxl(f, color); } y = (scp->yoff + scp->ysize) * scp->font_size; if (scp->ypixel > y) { s = scp->sc->adp->va_window + line_width * y; e = s + line_width * (scp->ypixel - y); for (f = s; f < e; f += pixel_size) vga_drawpxl(f, color); } y = scp->yoff * scp->font_size; x = scp->xpixel / 8 - scp->xoff - scp->xsize; for (i = 0; i < scp->ysize * scp->font_size; ++i) { if (scp->xoff > 0) { s = scp->sc->adp->va_window + line_width * (y + i); e = s + scp->xoff * 8 * pixel_size; for (f = s; f < e; f += pixel_size) vga_drawpxl(f, color); } if (x > 0) { s = scp->sc->adp->va_window + line_width * (y + i) + scp->xoff * 8 * pixel_size + scp->xsize * 8 * pixel_size; e = s + x * 8 * pixel_size; for (f = s; f < e; f += pixel_size) vga_drawpxl(f, color); } } } static void vga_pxlborder_planar(scr_stat *scp, int color) { vm_offset_t p; int line_width; int x; int y; int i; (*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color); outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, (color << 8) | 0x00); /* set/reset */ line_width = scp->sc->adp->va_line_width; p = scp->sc->adp->va_window; if (scp->yoff > 0) bzero_io((void *)p, line_width*scp->yoff*scp->font_size); y = (scp->yoff + scp->ysize)*scp->font_size; if (scp->ypixel > y) bzero_io((void *)(p + line_width*y), line_width*(scp->ypixel - y)); y = scp->yoff*scp->font_size; x = scp->xpixel/8 - scp->xoff - scp->xsize; for (i = 0; i < scp->ysize*scp->font_size; ++i) { if (scp->xoff > 0) bzero_io((void *)(p + line_width*(y + i)), scp->xoff); if (x > 0) bzero_io((void *)(p + line_width*(y + i) + scp->xoff + scp->xsize), x); } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_egadraw(scr_stat *scp, int from, int count, int flip) { vm_offset_t d; vm_offset_t e; u_char *f; u_short bg; u_short col1, col2; int line_width; int i, j; int a; u_char c; line_width = scp->sc->adp->va_line_width; d = VIDEO_MEMORY_POS(scp, from, 1); outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ bg = -1; if (from + count > scp->xsize*scp->ysize) count = scp->xsize*scp->ysize - from; for (i = from; count-- > 0; ++i) { a = sc_vtb_geta(&scp->vtb, i); if (flip) { col1 = ((a & 0x7000) >> 4) | (a & 0x0800); col2 = ((a & 0x8000) >> 4) | (a & 0x0700); } else { col1 = (a & 0x0f00); col2 = (a & 0xf000) >> 4; } /* set background color in EGA/VGA latch */ if (bg != col2) { bg = col2; outw(GDCIDX, bg | 0x00); /* set/reset */ outw(GDCIDX, 0xff08); /* bit mask */ writeb(d, 0); c = readb(d); /* set bg color in the latch */ } /* foreground color */ outw(GDCIDX, col1 | 0x00); /* set/reset */ e = d; f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]); for (j = 0; j < scp->font_size; ++j, ++f) { outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */ writeb(e, 0); e += line_width; } ++d; if ((i % scp->xsize) == scp->xsize - 1) d += scp->xoff*2 + (scp->font_size - 1)*line_width; } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ } static void vga_vgadraw_direct(scr_stat *scp, int from, int count, int flip) { vm_offset_t d = 0; vm_offset_t e; u_char *f; u_short col1, col2, color; int line_width, pixel_size; int i, j, k; int a; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; d = VIDEO_MEMORY_POS(scp, from, 8 * pixel_size); if (from + count > scp->xsize * scp->ysize) count = scp->xsize * scp->ysize - from; for (i = from; count-- > 0; ++i) { a = sc_vtb_geta(&scp->vtb, i); if (flip) { col1 = (((a & 0x7000) >> 4) | (a & 0x0800)) >> 8; col2 = (((a & 0x8000) >> 4) | (a & 0x0700)) >> 8; } else { col1 = (a & 0x0f00) >> 8; col2 = (a & 0xf000) >> 12; } e = d; f = &(scp->font[sc_vtb_getc(&scp->vtb, i) * scp->font_size]); for (j = 0; j < scp->font_size; ++j, ++f) { for (k = 0; k < 8; ++k) { color = *f & (1 << (7 - k)) ? col1 : col2; vga_drawpxl(e + pixel_size * k, color); } e += line_width; } d += 8 * pixel_size; if ((i % scp->xsize) == scp->xsize - 1) d += scp->xoff * 16 * pixel_size + (scp->font_size - 1) * line_width; } } static void vga_vgadraw_planar(scr_stat *scp, int from, int count, int flip) { vm_offset_t d; vm_offset_t e; u_char *f; u_short bg; u_short col1, col2; int line_width; int i, j; int a; u_char c; d = VIDEO_MEMORY_POS(scp, from, 1); line_width = scp->sc->adp->va_line_width; outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ bg = -1; if (from + count > scp->xsize*scp->ysize) count = scp->xsize*scp->ysize - from; for (i = from; count-- > 0; ++i) { a = sc_vtb_geta(&scp->vtb, i); if (flip) { col1 = ((a & 0x7000) >> 4) | (a & 0x0800); col2 = ((a & 0x8000) >> 4) | (a & 0x0700); } else { col1 = (a & 0x0f00); col2 = (a & 0xf000) >> 4; } /* set background color in EGA/VGA latch */ if (bg != col2) { bg = col2; outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, bg | 0x00); /* set/reset */ writeb(d, 0); c = readb(d); /* set bg color in the latch */ outw(GDCIDX, 0x0305); /* read mode 0, write mode 3 */ } /* foreground color */ outw(GDCIDX, col1 | 0x00); /* set/reset */ e = d; f = &(scp->font[sc_vtb_getc(&scp->vtb, i)*scp->font_size]); for (j = 0; j < scp->font_size; ++j, ++f) { writeb(e, *f); e += line_width; } ++d; if ((i % scp->xsize) == scp->xsize - 1) d += scp->xoff*2 + (scp->font_size - 1)*line_width; } outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ } static void vga_pxlcursor_shape(scr_stat *scp, int base, int height, int blink) { if (base < 0 || base >= scp->font_size) return; /* the caller may set height <= 0 in order to disable the cursor */ #if 0 scp->cursor_base = base; scp->cursor_height = height; #endif } static void draw_pxlcursor_direct(scr_stat *scp, int at, int on, int flip) { vm_offset_t d = 0; u_char *f; int line_width, pixel_size; int height; int col1, col2, color; int a; int i, j; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; d = VIDEO_MEMORY_POS(scp, at, 8 * pixel_size) + (scp->font_size - scp->cursor_base - 1) * line_width; a = sc_vtb_geta(&scp->vtb, at); if (flip) { col1 = ((on) ? (a & 0x0f00) : ((a & 0xf000) >> 4)) >> 8; col2 = ((on) ? ((a & 0xf000) >> 4) : (a & 0x0f00)) >> 8; } else { col1 = ((on) ? ((a & 0xf000) >> 4) : (a & 0x0f00)) >> 8; col2 = ((on) ? (a & 0x0f00) : ((a & 0xf000) >> 4)) >> 8; } f = &(scp->font[sc_vtb_getc(&scp->vtb, at) * scp->font_size + scp->font_size - scp->cursor_base - 1]); height = imin(scp->cursor_height, scp->font_size); for (i = 0; i < height; ++i, --f) { for (j = 0; j < 8; ++j) { color = *f & (1 << (7 - j)) ? col1 : col2; vga_drawpxl(d + pixel_size * j, color); } d -= line_width; } } static void draw_pxlcursor_planar(scr_stat *scp, int at, int on, int flip) { vm_offset_t d; u_char *f; int line_width; int height; int col; int a; int i; u_char c; line_width = scp->sc->adp->va_line_width; d = VIDEO_MEMORY_POS(scp, at, 1) + (scp->font_size - scp->cursor_base - 1) * line_width; outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ outw(GDCIDX, 0x0f01); /* set/reset enable */ /* set background color in EGA/VGA latch */ a = sc_vtb_geta(&scp->vtb, at); if (flip) col = (on) ? ((a & 0xf000) >> 4) : (a & 0x0f00); else col = (on) ? (a & 0x0f00) : ((a & 0xf000) >> 4); outw(GDCIDX, col | 0x00); /* set/reset */ outw(GDCIDX, 0xff08); /* bit mask */ writeb(d, 0); c = readb(d); /* set bg color in the latch */ /* foreground color */ if (flip) col = (on) ? (a & 0x0f00) : ((a & 0xf000) >> 4); else col = (on) ? ((a & 0xf000) >> 4) : (a & 0x0f00); outw(GDCIDX, col | 0x00); /* set/reset */ f = &(scp->font[sc_vtb_getc(&scp->vtb, at)*scp->font_size + scp->font_size - scp->cursor_base - 1]); height = imin(scp->cursor_height, scp->font_size); for (i = 0; i < height; ++i, --f) { outw(GDCIDX, (*f << 8) | 0x08); /* bit mask */ writeb(d, 0); d -= line_width; } outw(GDCIDX, 0x0000); /* set/reset */ outw(GDCIDX, 0x0001); /* set/reset enable */ outw(GDCIDX, 0xff08); /* bit mask */ } static int pxlblinkrate = 0; static void vga_pxlcursor_direct(scr_stat *scp, int at, int blink, int on, int flip) { if (scp->cursor_height <= 0) /* the text cursor is disabled */ return; if (on) { if (!blink) { scp->status |= VR_CURSOR_ON; draw_pxlcursor_direct(scp, at, on, flip); } else if (++pxlblinkrate & 4) { pxlblinkrate = 0; scp->status ^= VR_CURSOR_ON; draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip); } } else { if (scp->status & VR_CURSOR_ON) draw_pxlcursor_direct(scp, at, on, flip); scp->status &= ~VR_CURSOR_ON; } if (blink) scp->status |= VR_CURSOR_BLINK; else scp->status &= ~VR_CURSOR_BLINK; } static void vga_pxlcursor_planar(scr_stat *scp, int at, int blink, int on, int flip) { if (scp->cursor_height <= 0) /* the text cursor is disabled */ return; if (on) { if (!blink) { scp->status |= VR_CURSOR_ON; draw_pxlcursor_planar(scp, at, on, flip); } else if (++pxlblinkrate & 4) { pxlblinkrate = 0; scp->status ^= VR_CURSOR_ON; draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip); } } else { if (scp->status & VR_CURSOR_ON) draw_pxlcursor_planar(scp, at, on, flip); scp->status &= ~VR_CURSOR_ON; } if (blink) scp->status |= VR_CURSOR_BLINK; else scp->status &= ~VR_CURSOR_BLINK; } static void vga_pxlblink_direct(scr_stat *scp, int at, int flip) { if (!(scp->status & VR_CURSOR_BLINK)) return; if (!(++pxlblinkrate & 4)) return; pxlblinkrate = 0; scp->status ^= VR_CURSOR_ON; draw_pxlcursor_direct(scp, at, scp->status & VR_CURSOR_ON, flip); } static void vga_pxlblink_planar(scr_stat *scp, int at, int flip) { if (!(scp->status & VR_CURSOR_BLINK)) return; if (!(++pxlblinkrate & 4)) return; pxlblinkrate = 0; scp->status ^= VR_CURSOR_ON; draw_pxlcursor_planar(scp, at, scp->status & VR_CURSOR_ON, flip); } #ifndef SC_NO_CUTPASTE static void draw_pxlmouse_planar(scr_stat *scp, int x, int y) { vm_offset_t p; int line_width; int xoff, yoff; int ymax; u_short m; int i, j; line_width = scp->sc->adp->va_line_width; xoff = (x - scp->xoff*8)%8; yoff = y - (y/line_width)*line_width; ymax = imin(y + 16, scp->font_size * (scp->yoff + scp->ysize)); outw(GDCIDX, 0x0805); /* read mode 1, write mode 0 */ outw(GDCIDX, 0x0001); /* set/reset enable */ outw(GDCIDX, 0x0002); /* color compare */ outw(GDCIDX, 0x0007); /* color don't care */ outw(GDCIDX, 0xff08); /* bit mask */ outw(GDCIDX, 0x0803); /* data rotate/function select (and) */ p = scp->sc->adp->va_window + line_width*y + x/8; if (x < 8 * (scp->xoff + scp->xsize) - 8) { for (i = y, j = 0; i < ymax; ++i, ++j) { m = ~(mouse_and_mask[j] >> xoff); *(u_char *)p &= m >> 8; *(u_char *)(p + 1) &= m; p += line_width; } } else { xoff += 8; for (i = y, j = 0; i < ymax; ++i, ++j) { m = ~(mouse_and_mask[j] >> xoff); *(u_char *)p &= m; p += line_width; } } outw(GDCIDX, 0x1003); /* data rotate/function select (or) */ p = scp->sc->adp->va_window + line_width*y + x/8; if (x < 8 * (scp->xoff + scp->xsize) - 8) { for (i = y, j = 0; i < ymax; ++i, ++j) { m = mouse_or_mask[j] >> xoff; *(u_char *)p &= m >> 8; *(u_char *)(p + 1) &= m; p += line_width; } } else { for (i = y, j = 0; i < ymax; ++i, ++j) { m = mouse_or_mask[j] >> xoff; *(u_char *)p &= m; p += line_width; } } outw(GDCIDX, 0x0005); /* read mode 0, write mode 0 */ outw(GDCIDX, 0x0003); /* data rotate/function select */ } static void remove_pxlmouse_planar(scr_stat *scp, int x, int y) { int col, row; int pos; int i; /* erase the mouse cursor image */ col = x/8 - scp->xoff; row = y/scp->font_size - scp->yoff; pos = row*scp->xsize + col; i = (col < scp->xsize - 1) ? 2 : 1; (*scp->rndr->draw)(scp, pos, i, FALSE); if (row < scp->ysize - 1) (*scp->rndr->draw)(scp, pos + scp->xsize, i, FALSE); } static void vga_pxlmouse_direct(scr_stat *scp, int x, int y, int on) { vm_offset_t p; int line_width, pixel_size; int xend, yend; static int x_old = 0, xend_old = 0; static int y_old = 0, yend_old = 0; int i, j; uint32_t *u32; uint16_t *u16; int bpp; if (!on) return; bpp = scp->sc->adp->va_info.vi_depth; if ((bpp == 16) && (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5)) bpp = 15; line_width = scp->sc->adp->va_line_width; pixel_size = scp->sc->adp->va_info.vi_pixel_size; xend = imin(x + 16, scp->xpixel); yend = imin(y + 16, scp->ypixel); p = scp->sc->adp->va_window + y_old * line_width + x_old * pixel_size; for (i = 0; i < (yend_old - y_old); i++) { for (j = (xend_old - x_old - 1); j >= 0; j--) { switch (bpp) { case 32: u32 = (uint32_t*)(p + j * pixel_size); writel(u32, mouse_buf32[i * 16 + j]); break; case 16: /* FALLTHROUGH */ case 15: u16 = (uint16_t*)(p + j * pixel_size); writew(u16, mouse_buf16[i * 16 + j]); break; } } p += line_width; } p = scp->sc->adp->va_window + y * line_width + x * pixel_size; for (i = 0; i < (yend - y); i++) { for (j = (xend - x - 1); j >= 0; j--) { switch (bpp) { case 32: u32 = (uint32_t*)(p + j * pixel_size); mouse_buf32[i * 16 + j] = *u32; if (mouse_or_mask[i] & (1 << (15 - j))) writel(u32, vga_palette32[15]); else if (mouse_and_mask[i] & (1 << (15 - j))) writel(u32, 0); break; case 16: u16 = (uint16_t*)(p + j * pixel_size); mouse_buf16[i * 16 + j] = *u16; if (mouse_or_mask[i] & (1 << (15 - j))) writew(u16, vga_palette16[15]); else if (mouse_and_mask[i] & (1 << (15 - j))) writew(u16, 0); break; case 15: u16 = (uint16_t*)(p + j * pixel_size); mouse_buf16[i * 16 + j] = *u16; if (mouse_or_mask[i] & (1 << (15 - j))) writew(u16, vga_palette15[15]); else if (mouse_and_mask[i] & (1 << (15 - j))) writew(u16, 0); break; } } p += line_width; } x_old = x; y_old = y; xend_old = xend; yend_old = yend; } static void vga_pxlmouse_planar(scr_stat *scp, int x, int y, int on) { if (on) draw_pxlmouse_planar(scp, x, y); else remove_pxlmouse_planar(scp, x, y); } #endif /* SC_NO_CUTPASTE */ #endif /* SC_PIXEL_MODE */ #ifndef SC_NO_MODE_CHANGE /* graphics mode renderer */ static void vga_grborder(scr_stat *scp, int color) { (*vidsw[scp->sc->adapter]->set_border)(scp->sc->adp, color); } #endif