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-rw-r--r--sys/dev/ic/vgafb.c576
1 files changed, 0 insertions, 576 deletions
diff --git a/sys/dev/ic/vgafb.c b/sys/dev/ic/vgafb.c
deleted file mode 100644
index 0591288f107..00000000000
--- a/sys/dev/ic/vgafb.c
+++ /dev/null
@@ -1,576 +0,0 @@
-/* $OpenBSD: vgafb.c,v 1.5 1998/10/10 06:26:20 rahnds Exp $ */
-/* $NetBSD: vga.c,v 1.3 1996/12/02 22:24:54 cgd Exp $ */
-
-/*
- * Copyright (c) 1995, 1996 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Author: Chris G. Demetriou
- *
- * Permission to use, copy, modify and distribute this software and
- * its documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie the
- * rights to redistribute these changes.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/device.h>
-#include <machine/bus.h>
-
-#include <dev/wscons/wsconsvar.h>
-#include <dev/ic/vgafbvar.h>
-
-
-struct cfdriver vgafb_cd = {
- NULL, "vgafb", DV_DULL,
-};
-
-void vgafb_cursor __P((void *, int, int, int));
-void vgafb_putstr __P((void *, int, int, char *, int));
-void vgafb_copycols __P((void *, int, int, int, int));
-void vgafb_erasecols __P((void *, int, int, int));
-void vgafb_copyrows __P((void *, int, int, int));
-void vgafb_eraserows __P((void *, int, int));
-void vgafb_set_attr __P((void *, int));
-
-static void drawChar ( struct vgafb_config *vc, char ch, int cx,
- int cy, char at);
-static void setPixel( struct vgafb_config *vc, int x, int y, int v);
-static void vgafb_invert_char ( struct vgafb_config *vc, int cx, int cy);
-extern const char fontdata_8x16[];
-
-struct wscons_emulfuncs vgafb_emulfuncs = {
- vgafb_cursor,
- vgafb_putstr,
- vgafb_copycols,
- vgafb_erasecols,
- vgafb_copyrows,
- vgafb_eraserows,
- vgafb_set_attr,
-};
-
-int vgafb_print __P((void *, const char *));
-
-#define FONT_WIDTH 8
-#define FONT_HEIGHT 16
-
-/*
- * The following functions implement back-end configuration grabbing
- * and attachment.
- */
-int
-vgafb_common_probe(iot, memt, iobase, iosize, membase, memsize, mmiobase, mmiosize)
- bus_space_tag_t iot, memt;
- u_int32_t iobase, membase, mmiobase;
- size_t iosize, memsize, mmiosize;
-{
- bus_space_handle_t ioh_b, ioh_c, ioh_d, memh, mmioh;
- u_int16_t vgadata;
- int gotio_b, gotio_c, gotio_d, gotmem, gotmmio, rv;
- int width;
-
- gotio_b = gotio_c = gotio_d = gotmem = gotmmio = rv = 0;
-
- if (iosize != 0) {
- if (bus_space_map(iot, iobase+0x3b0, 0xc, 0, &ioh_b))
- goto bad;
- gotio_b = 1;
- if (bus_space_map(iot, iobase+0x3c0, 0x10, 0, &ioh_c))
- goto bad;
- gotio_c = 1;
- if (bus_space_map(iot, iobase+0x3d0, 0x10, 0, &ioh_d))
- goto bad;
- gotio_d = 1;
- }
- if (mmiosize != 0) {
- if (bus_space_map(iot, mmiobase, mmiosize, 0, &mmioh))
- goto bad;
- gotmmio = 1;
- }
- if (bus_space_map(memt, membase, memsize, 0, &memh))
- goto bad;
- gotmem = 1;
-
-#if 0
- /* CR1 - Horiz. Display End */
- bus_space_write_1(iot, ioh_d, 4, 0x1);
- width = bus_space_read_1(iot, ioh_d, 5);
- /* this is not bit width yet */
-
- /* use CR17 - mode control for this?? */
- if ((width != 0xff) && (width < 600)) {
- /* not accessable or in graphics mode? */
- goto bad;
- }
-#endif
-
- vgadata = bus_space_read_2(memt, memh, 0);
- bus_space_write_2(memt, memh, 0, 0xa55a);
- rv = (bus_space_read_2(memt, memh, 0) == 0xa55a);
- bus_space_write_2(memt, memh, 0, vgadata);
-
-bad:
- if (gotio_b)
- bus_space_unmap(iot, ioh_b, 0xc);
- if (gotio_c)
- bus_space_unmap(iot, ioh_c, 0x10);
- if (gotio_d)
- bus_space_unmap(iot, ioh_d, 0x10);
- if (gotmmio)
- bus_space_unmap(memt, mmioh, mmiosize);
- if (gotmem)
- bus_space_unmap(memt, memh, memsize);
-
- return (rv);
-}
-
-void
-vgafb_common_setup(iot, memt, vc, iobase, iosize, membase, memsize, mmiobase, mmiosize)
- bus_space_tag_t iot, memt;
- struct vgafb_config *vc;
- u_int32_t iobase, membase, mmiobase;
- size_t iosize, memsize, mmiosize;
-{
- int cpos;
- int width, height;
-
- vc->vc_iot = iot;
- vc->vc_memt = memt;
-
- if (iosize != 0) {
- if (bus_space_map(vc->vc_iot, iobase+0x3b0, 0xc, 0, &vc->vc_ioh_b))
- panic("vgafb_common_setup: couldn't map io b");
- if (bus_space_map(vc->vc_iot, iobase+0x3c0, 0x10, 0, &vc->vc_ioh_c))
- panic("vgafb_common_setup: couldn't map io c");
- if (bus_space_map(vc->vc_iot, iobase+0x3d0, 0x10, 0, &vc->vc_ioh_d))
- panic("vgafb_common_setup: couldn't map io d");
- }
- if (mmiosize != 0) {
- if (bus_space_map(vc->vc_memt, mmiobase, mmiosize, 0, &vc->vc_mmioh))
- panic("vgafb_common_setup: couldn't map mmio");
- }
- if (bus_space_map(vc->vc_memt, membase, memsize, 0, &vc->vc_memh))
- panic("vgafb_common_setup: couldn't map memory");
-
- if (iosize != 0) {
- /* CR1 - Horiz. Display End */
- bus_space_write_1(iot, vc->vc_ioh_d, 4, 0x1);
- width = bus_space_read_1(iot, vc->vc_ioh_d, 5);
- /* (stored value + 1) * depth -> pixel width */
- width = ( width + 1 ) * 8;
-
- /* CR1 - Horiz. Display End */
- bus_space_write_1(iot, vc->vc_ioh_d, 4, 0x12);
- {
- u_int8_t t1, t2, t3;
- bus_space_write_1(iot, vc->vc_ioh_d, 4, 0x12);
- t1 = bus_space_read_1(iot, vc->vc_ioh_d, 5);
-
- bus_space_write_1(iot, vc->vc_ioh_d, 4, 0x7);
- t2 = bus_space_read_1(iot, vc->vc_ioh_d, 5);
- height = t1 + ((t2&0x40) << 3)
- + ((t2&0x02) << 7) + 1;
- bus_space_write_1(iot, vc->vc_ioh_d, 4, 0x17);
- t3 = bus_space_read_1(iot, vc->vc_ioh_d, 5);
- if (t3 & 0x04) {
- height *= 2;
- }
- if (t1 == 0xff && t2 == 0xff && t3 == 0xff) {
- /* iospace not working??? */
- /* hope, better guess than 2048x2048 */
- width = 640;
- height = 480;
- }
- }
- vc->vc_ncol = width / FONT_WIDTH;
- vc->vc_nrow = height / FONT_HEIGHT;
- } else {
- /* iosize == 0
- * default to 640x480 and hope
- */
- vc->vc_ncol = 640 / FONT_WIDTH;
- vc->vc_nrow = 480 / FONT_HEIGHT;
- }
- printf(", %dx%d", vc->vc_ncol, vc->vc_nrow);
-
- vc->vc_crow = vc->vc_ccol = 0; /* Has to be some onscreen value */
- vc->vc_so = 0;
-
- /* clear screen, frob cursor, etc.? */
- vgafb_eraserows(vc, 0, vc->vc_nrow);
-
-#if defined(alpha)
- /*
- * XXX DEC HAS SWITCHED THE CODES FOR BLUE AND RED!!!
- * XXX Therefore, though the comments say "blue bg", the code uses
- * XXX the value for a red background!
- */
- vc->vc_at = 0x40 | 0x0f; /* blue bg|white fg */
- vc->vc_so_at = 0x40 | 0x0f | 0x80; /* blue bg|white fg|blink */
-#else
- vc->vc_at = 0x00 | 0xf; /* black bg|white fg */
- vc->vc_so_at = 0x00 | 0xf | 0x80; /* black bg|white fg|blink */
-#endif
-}
-
-void
-vgafb_wscons_attach(parent, vc, console)
- struct device *parent;
- struct vgafb_config *vc;
- int console;
-{
- struct wscons_attach_args waa;
- struct wscons_odev_spec *wo;
-
- waa.waa_isconsole = console;
- wo = &waa.waa_odev_spec;
-
- wo->wo_emulfuncs = &vgafb_emulfuncs;
- wo->wo_emulfuncs_cookie = vc;
-
- wo->wo_ioctl = vc->vc_ioctl;
- wo->wo_mmap = vc->vc_mmap;
- wo->wo_miscfuncs_cookie = vc;
-
- wo->wo_nrows = vc->vc_nrow;
- wo->wo_ncols = vc->vc_ncol;
- wo->wo_crow = vc->vc_crow;
- wo->wo_ccol = vc->vc_ccol;
-
- config_found(parent, &waa, vgafb_print);
-}
-
-void
-vgafb_wscons_console(vc)
- struct vgafb_config *vc;
-{
- struct wscons_odev_spec wo;
-
- wo.wo_emulfuncs = &vgafb_emulfuncs;
- wo.wo_emulfuncs_cookie = vc;
-
- /* ioctl and mmap are unused until real attachment. */
-
- wo.wo_nrows = vc->vc_nrow;
- wo.wo_ncols = vc->vc_ncol;
- wo.wo_crow = vc->vc_crow;
- wo.wo_ccol = vc->vc_ccol;
-
- wscons_attach_console(&wo);
-}
-
-int
-vgafb_print(aux, pnp)
- void *aux;
- const char *pnp;
-{
-
- if (pnp)
- printf("wscons at %s", pnp);
- return (UNCONF);
-}
-
-int
-vgafbioctl(v, cmd, data, flag, p)
- void *v;
- u_long cmd;
- caddr_t data;
- int flag;
- struct proc *p;
-{
- /*struct vgafb_config *vc = v;*/
-
- /* XXX */
- return -1;
-}
-
-int
-vgafbmmap(v, offset, prot)
- void *v;
- off_t offset;
- int prot;
-{
- struct vgafb_config *vc = v;
- bus_space_handle_t h;
- u_int32_t *port;
-
- /* memsize... */
- if (offset >= 0x00000 && offset < 0x800000) /* 8MB of mem??? */
- h = vc->vc_memh + offset;
- else if (offset >= 0x10000000 && offset < 0x10040000 )
- /* 256KB of iohb */
- h = vc->vc_ioh_b;
- else if (offset >= 0x10040000 && offset < 0x10080000)
- /* 256KB of iohc */
- h = vc->vc_ioh_c;
- else if (offset >= 0x18880000 && offset < 0x100c0000)
- /* 256KB of iohd */
- h = vc->vc_ioh_d;
- else if (offset >= 0x20000000 && offset < 0x30000000)
- /* mmiosize... */
- h = vc->vc_mmioh + (offset - 0x20000000);
- else
- return (-1);
-
-#ifdef alpha
- port = (u_int32_t *)(h << 5);
- return alpha_btop(port); /* XXX */
-#elif defined(i386)
- port = (u_int32_t *)(h << 5);
- return i386_btop(port);
-#elif defined(__powerpc__)
- {
- /* huh ??? */
- return h;
- /*
- return powerpc_btop(port);
- */
- }
-#endif
-}
-
-/*
- * The following functions implement the MI ANSI terminal emulation on
- * a VGA display.
- */
-void
-vgafb_cursor(id, on, row, col)
- void *id;
- int on, row, col;
-{
- struct vgafb_config *vc = id;
- bus_space_tag_t iot = vc->vc_iot;
- bus_space_handle_t ioh_d = vc->vc_ioh_d;
- int pos;
-
-#if 0
- printf("vgafb_cursor: %d %d\n", row, col);
-#endif
- if (( vc->vc_crow != -1) && (vc->vc_ccol != -1)) {
- vgafb_invert_char (vc, vc->vc_ccol, vc->vc_crow);
- }
- /* turn the cursor off */
- if (!on) {
- /* XXX disable cursor how??? */
- vc->vc_crow = vc->vc_ccol = -1;
- } else {
- vc->vc_crow = row;
-
- vc->vc_ccol = col;
- vgafb_invert_char (vc, col, row);
- }
-
-#if 0
- pos = row * vc->vc_ncol + col;
-
- bus_space_write_1(iot, ioh_d, VGA_IO_D_6845_ADDR, 14);
- bus_space_write_1(iot, ioh_d, VGA_IO_D_6845_DATA, pos >> 8);
- bus_space_write_1(iot, ioh_d, VGA_IO_D_6845_ADDR, 15);
- bus_space_write_1(iot, ioh_d, VGA_IO_D_6845_DATA, pos);
-#endif
-}
-
-void
-vgafb_putstr(id, row, col, cp, len)
- void *id;
- int row, col;
- char *cp;
- int len;
-{
- struct vgafb_config *vc = id;
- bus_space_tag_t memt = vc->vc_memt;
- bus_space_handle_t memh = vc->vc_memh;
- int i, off;
-
- for (i = 0; i < len; i++, cp++, col++) {
- drawChar(vc, *cp, col, row, vc->vc_so ? vc->vc_so_at : vc->vc_at);
- }
-}
-
-void
-vgafb_copycols(id, row, srccol, dstcol, ncols)
- void *id;
- int row, srccol, dstcol, ncols;
-{
- struct vgafb_config *vc = id;
- bus_size_t srcoff, dstoff;
- int i;
-
- for (i = 0; i < FONT_HEIGHT; i++) {
- srcoff = ((row*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH)
- + srccol*FONT_WIDTH) + (i * (vc->vc_ncol*FONT_WIDTH));
- dstoff = ((row*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH)
- + dstcol*FONT_WIDTH) + (i * (vc->vc_ncol*FONT_WIDTH));
-
-/* this could be sped up using bus_space_copy_4, but the copies tend
- * to be slow and it didn't work correctly on ppc???
- */
- bus_space_copy_1(vc->vc_memt, vc->vc_memh, srcoff,
- vc->vc_memh, dstoff, ncols*FONT_WIDTH);
- }
-}
-
-void
-vgafb_erasecols(id, row, startcol, ncols)
- void *id;
- int row, startcol, ncols;
-{
- struct vgafb_config *vc = id;
- bus_size_t off;
- int i;
-
- for (i=0; i < ncols; i++) {
- drawChar( vc, ' ', startcol+i, row, vc->vc_at);
- }
-}
-
-void
-vgafb_copyrows(id, srcrow, dstrow, nrows)
- void *id;
- int srcrow, dstrow, nrows;
-{
- struct vgafb_config *vc = id;
- bus_size_t srcoff, dstoff;
-
- srcoff = ((srcrow*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH) + 0);
- dstoff = ((dstrow*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH) + 0);
-
-#if 0
- bus_space_copy_1(vc->vc_memt, vc->vc_memh, srcoff, vc->vc_memh, dstoff,
- (nrows*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH));
-#else
- /* since pci memory space base address is a power of two, and
- * the screen is a mulitple of 4 (since FONT_WIDTH is 8)
- * aka The Screen base is always 4 byte aligned RIGHT?
- * copying words will be faster than bytes.
- */
- bus_space_copy_4(vc->vc_memt, vc->vc_memh, srcoff, vc->vc_memh, dstoff,
- (nrows*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH)/4);
-#endif
-}
-
-void
-vgafb_eraserows(id, startrow, nrows)
- void *id;
- int startrow, nrows;
-{
- struct vgafb_config *vc = id;
- bus_size_t off, count;
- u_int16_t val;
-
- off = (startrow*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH) + 0;
- count = (nrows*FONT_HEIGHT) * (vc->vc_ncol*FONT_WIDTH);
-
- val = (vc->vc_at & 0xf);
-
- bus_space_set_region_1(vc->vc_memt, vc->vc_memh, off, val, count);
-}
-
-void
-vgafb_set_attr(id, val)
- void *id;
- int val;
-{
- struct vgafb_config *vc = id;
-
- vc->vc_so = val;
-}
-
-static void
-setPixel(vc, x, y, v)
- struct vgafb_config *vc;
- int x, y, v;
-{
- bus_space_tag_t memt = vc->vc_memt;
- bus_space_handle_t memh = vc->vc_memh;
-
- bus_space_write_1(memt, memh, x+(y*(vc->vc_ncol*FONT_WIDTH)), v);
-}
-static void
-invertPixel(vc, x, y)
- struct vgafb_config *vc;
- int x, y;
-{
- bus_space_tag_t memt = vc->vc_memt;
- bus_space_handle_t memh = vc->vc_memh;
- u_int8_t v;
-
- v = bus_space_read_1(memt, memh, x+(y*(vc->vc_ncol*FONT_WIDTH)));
- v = ~v & 0xf;
- bus_space_write_1(memt, memh, x+(y*(vc->vc_ncol*FONT_WIDTH)), v);
-}
-
-static void
-drawChar ( vc, ch, cx, cy, at)
- struct vgafb_config *vc;
- char ch;
- int cx, cy;
- char at;
-{
- const char *cp;
- unsigned char mask;
- int i, j;
- int x, y;
-
- i = ch * FONT_HEIGHT;
- cp = &fontdata_8x16[ i ];
-
- if ((cx == vc->vc_ccol) && (cy == vc->vc_crow)) {
- char tmp = at;
- at = ((at & 0xf) << 4) | ((at >> 4) & 0xf);
- }
- x = cx*FONT_WIDTH; y = cy*FONT_HEIGHT;
-
- for ( i = 0; i < FONT_HEIGHT; i++ )
- {
- for ( j = 0; j < FONT_WIDTH; j++)
- {
- mask = 0x80 >> j;
- if ( *cp & mask )
- setPixel(vc, x, y, (at >> 4) & 0xf );
- else
- setPixel(vc, x, y, at & 0xf );
- x++;
- }
- cp++; y++; x = cx*FONT_WIDTH;
- }
-}
-static void
-vgafb_invert_char ( vc, cx, cy)
- struct vgafb_config *vc;
- int cx, cy;
-{
- const char *cp;
- unsigned char mask;
- int i, j;
- int x, y;
-
- x = cx*FONT_WIDTH; y = cy*FONT_HEIGHT;
-
- for ( i = 0; i < FONT_HEIGHT; i++ )
- {
- for ( j = 0; j < FONT_WIDTH; j++)
- {
- invertPixel(vc, x, y);
- x++;
- }
- cp++; y++; x = cx*FONT_WIDTH;
- }
-}
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