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NetBSD/sys/arch/vax/vsa/smg.c

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/* $NetBSD: smg.c,v 1.26 2000/12/02 17:14:00 ragge Exp $ */
/*
* Copyright (c) 1998 Ludd, University of Lule}, Sweden.
* 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 at Ludd, University of
* Lule}, Sweden and its contributors.
* 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 <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/time.h>
#include <sys/malloc.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <machine/vsbus.h>
#include <machine/sid.h>
#include <machine/cpu.h>
#include <machine/ka420.h>
#include <dev/cons.h>
#include <dev/qbus/dzreg.h>
#include <dev/qbus/dzvar.h>
#include <dev/dec/dzkbdvar.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wscons_callbacks.h>
#include "dzkbd.h"
#include "opt_wsfont.h"
/* Safety guard */
#ifndef FONT_QVSS8x15
#include <dev/wsfont/qvss8x15.h>
#endif
/* Screen hardware defs */
#define SM_COLS 128 /* char width of screen */
#define SM_ROWS 57 /* rows of char on screen */
#define SM_CHEIGHT 15 /* lines a char consists of */
#define SM_NEXTROW (SM_COLS * SM_CHEIGHT)
#define SM_YWIDTH 864
#define SM_XWIDTH 1024
/* Cursor register definitions */
#define CUR_CMD 0
#define CUR_XPOS 4
#define CUR_YPOS 8
#define CUR_XMIN_1 12
#define CUR_XMAX_1 16
#define CUR_YMIN_1 20
#define CUR_YMAX_1 24
#define CUR_XMIN_2 28
#define CUR_XMAX_2 32
#define CUR_YMIN_2 36
#define CUR_YMAX_2 40
#define CUR_LOAD 44
#define CUR_CMD_TEST 0x8000
#define CUR_CMD_HSHI 0x4000
#define CUR_CMD_VBHI 0x2000
#define CUR_CMD_LODSA 0x1000
#define CUR_CMD_FORG2 0x0800
#define CUR_CMD_ENRG2 0x0400
#define CUR_CMD_FORG1 0x0200
#define CUR_CMD_ENRG1 0x0100
#define CUR_CMD_XHWID 0x0080
#define CUR_CMD_XHCL1 0x0040
#define CUR_CMD_XHCLP 0x0020
#define CUR_CMD_XHAIR 0x0010
#define CUR_CMD_FOPB 0x0008
#define CUR_CMD_ENPB 0x0004
#define CUR_CMD_FOPA 0x0002
#define CUR_CMD_ENPA 0x0001
#define CUR_XBIAS 216 /* Add to cursor position */
#define CUR_YBIAS 33
#define WRITECUR(addr, val) *(volatile short *)(curaddr + (addr)) = (val)
static caddr_t curaddr;
static short curcmd, curx, cury, hotX, hotY;
static int bgmask, fgmask;
static int smg_match(struct device *, struct cfdata *, void *);
static void smg_attach(struct device *, struct device *, void *);
struct smg_softc {
struct device ss_dev;
};
struct cfattach smg_ca = {
sizeof(struct smg_softc), smg_match, smg_attach,
};
static void smg_cursor(void *, int, int, int);
static int smg_mapchar(void *, int, unsigned int *);
static void smg_putchar(void *, int, int, u_int, long);
static void smg_copycols(void *, int, int, int,int);
static void smg_erasecols(void *, int, int, int, long);
static void smg_copyrows(void *, int, int, int);
static void smg_eraserows(void *, int, int, long);
static int smg_alloc_attr(void *, int, int, int, long *);
const struct wsdisplay_emulops smg_emulops = {
smg_cursor,
smg_mapchar,
smg_putchar,
smg_copycols,
smg_erasecols,
smg_copyrows,
smg_eraserows,
smg_alloc_attr
};
const struct wsscreen_descr smg_stdscreen = {
"128x57", SM_COLS, SM_ROWS,
&smg_emulops,
8, SM_CHEIGHT,
WSSCREEN_UNDERLINE|WSSCREEN_REVERSE,
};
const struct wsscreen_descr *_smg_scrlist[] = {
&smg_stdscreen,
};
const struct wsscreen_list smg_screenlist = {
sizeof(_smg_scrlist) / sizeof(struct wsscreen_descr *),
_smg_scrlist,
};
static caddr_t sm_addr;
extern struct wsdisplay_font qvss8x15;
static u_char *qf;
#define QCHAR(c) (c < 32 ? 32 : (c > 127 ? c - 66 : c - 32))
#define QFONT(c,line) qf[QCHAR(c) * 15 + line]
#define SM_ADDR(row, col, line) \
sm_addr[col + (row * SM_CHEIGHT * SM_COLS) + line * SM_COLS]
static int smg_ioctl(void *, u_long, caddr_t, int, struct proc *);
static paddr_t smg_mmap(void *, off_t, int);
static int smg_alloc_screen(void *, const struct wsscreen_descr *,
void **, int *, int *, long *);
static void smg_free_screen(void *, void *);
static int smg_show_screen(void *, void *, int,
void (*) (void *, int, int), void *);
static void smg_crsr_blink(void *);
const struct wsdisplay_accessops smg_accessops = {
smg_ioctl,
smg_mmap,
smg_alloc_screen,
smg_free_screen,
smg_show_screen,
0 /* load_font */
};
struct smg_screen {
int ss_curx;
int ss_cury;
u_char ss_image[SM_ROWS][SM_COLS]; /* Image of current screen */
u_char ss_attr[SM_ROWS][SM_COLS]; /* Reversed etc... */
};
static struct smg_screen smg_conscreen;
static struct smg_screen *curscr;
static struct callout smg_cursor_ch = CALLOUT_INITIALIZER;
int
smg_match(struct device *parent, struct cfdata *match, void *aux)
{
struct vsbus_attach_args *va = aux;
volatile short *curcmd;
volatile short *cfgtst;
short tmp, tmp2;
if (vax_boardtype == VAX_BTYP_49)
return 0;
curcmd = (short *)va->va_addr;
cfgtst = (short *)vax_map_physmem(VS_CFGTST, 1);
/*
* Try to find the cursor chip by testing the flip-flop.
* If nonexistent, no glass tty.
*/
curcmd[0] = CUR_CMD_HSHI|CUR_CMD_FOPB;
DELAY(300000);
tmp = cfgtst[0];
curcmd[0] = CUR_CMD_TEST|CUR_CMD_HSHI;
DELAY(300000);
tmp2 = cfgtst[0];
vax_unmap_physmem((vaddr_t)cfgtst, 1);
if (tmp2 != tmp)
return 20; /* Using periodic interrupt */
else
return 0;
}
void
smg_attach(struct device *parent, struct device *self, void *aux)
{
struct wsemuldisplaydev_attach_args aa;
printf("\n");
sm_addr = (caddr_t)vax_map_physmem(SMADDR, (SMSIZE/VAX_NBPG));
curaddr = (caddr_t)vax_map_physmem(KA420_CUR_BASE, 1);
if (sm_addr == 0) {
printf("%s: Couldn't alloc graphics memory.\n", self->dv_xname);
return;
}
curscr = &smg_conscreen;
aa.console = !(vax_confdata & 0x20);
aa.scrdata = &smg_screenlist;
aa.accessops = &smg_accessops;
callout_reset(&smg_cursor_ch, hz / 2, smg_crsr_blink, NULL);
curcmd = CUR_CMD_HSHI;
WRITECUR(CUR_CMD, curcmd);
qf = qvss8x15.data;
config_found(self, &aa, wsemuldisplaydevprint);
}
static u_char *cursor;
static int cur_on;
static void
smg_crsr_blink(void *arg)
{
if (cur_on)
*cursor ^= 255;
callout_reset(&smg_cursor_ch, hz / 2, smg_crsr_blink, NULL);
}
void
smg_cursor(void *id, int on, int row, int col)
{
struct smg_screen *ss = id;
if (ss == curscr) {
SM_ADDR(ss->ss_cury, ss->ss_curx, 14) =
QFONT(ss->ss_image[ss->ss_cury][ss->ss_curx], 14);
cursor = &SM_ADDR(row, col, 14);
if ((cur_on = on))
*cursor ^= 255;
}
ss->ss_curx = col;
ss->ss_cury = row;
}
int
smg_mapchar(void *id, int uni, unsigned int *index)
{
if (uni < 256) {
*index = uni;
return (5);
}
*index = ' ';
return (0);
}
static void
smg_putchar(void *id, int row, int col, u_int c, long attr)
{
struct smg_screen *ss = id;
int i;
c &= 0xff;
ss->ss_image[row][col] = c;
ss->ss_attr[row][col] = attr;
if (ss != curscr)
return;
for (i = 0; i < 15; i++) {
unsigned char ch = QFONT(c, i);
SM_ADDR(row, col, i) = (attr & WSATTR_REVERSE ? ~ch : ch);
}
if (attr & WSATTR_UNDERLINE)
SM_ADDR(row, col, 14) ^= SM_ADDR(row, col, 14);
}
/*
* copies columns inside a row.
*/
static void
smg_copycols(void *id, int row, int srccol, int dstcol, int ncols)
{
struct smg_screen *ss = id;
int i;
bcopy(&ss->ss_image[row][srccol], &ss->ss_image[row][dstcol], ncols);
bcopy(&ss->ss_attr[row][srccol], &ss->ss_attr[row][dstcol], ncols);
if (ss != curscr)
return;
for (i = 0; i < SM_CHEIGHT; i++)
bcopy(&SM_ADDR(row,srccol, i), &SM_ADDR(row, dstcol, i),ncols);
}
/*
* Erases a bunch of chars inside one row.
*/
static void
smg_erasecols(void *id, int row, int startcol, int ncols, long fillattr)
{
struct smg_screen *ss = id;
int i;
bzero(&ss->ss_image[row][startcol], ncols);
bzero(&ss->ss_attr[row][startcol], ncols);
if (ss != curscr)
return;
for (i = 0; i < SM_CHEIGHT; i++)
bzero(&SM_ADDR(row, startcol, i), ncols);
}
static void
smg_copyrows(void *id, int srcrow, int dstrow, int nrows)
{
struct smg_screen *ss = id;
int frows;
bcopy(&ss->ss_image[srcrow][0], &ss->ss_image[dstrow][0],
nrows * SM_COLS);
bcopy(&ss->ss_attr[srcrow][0], &ss->ss_attr[dstrow][0],
nrows * SM_COLS);
if (ss != curscr)
return;
if (nrows > 25) {
frows = nrows >> 1;
if (srcrow > dstrow) {
bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
&sm_addr[(dstrow * SM_NEXTROW)],
frows * SM_NEXTROW);
bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)],
&sm_addr[((dstrow + frows) * SM_NEXTROW)],
(nrows - frows) * SM_NEXTROW);
} else {
bcopy(&sm_addr[((srcrow + frows) * SM_NEXTROW)],
&sm_addr[((dstrow + frows) * SM_NEXTROW)],
(nrows - frows) * SM_NEXTROW);
bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
&sm_addr[(dstrow * SM_NEXTROW)],
frows * SM_NEXTROW);
}
} else
bcopy(&sm_addr[(srcrow * SM_NEXTROW)],
&sm_addr[(dstrow * SM_NEXTROW)], nrows * SM_NEXTROW);
}
static void
smg_eraserows(void *id, int startrow, int nrows, long fillattr)
{
struct smg_screen *ss = id;
int frows;
bzero(&ss->ss_image[startrow][0], nrows * SM_COLS);
bzero(&ss->ss_attr[startrow][0], nrows * SM_COLS);
if (ss != curscr)
return;
if (nrows > 25) {
frows = nrows >> 1;
bzero(&sm_addr[(startrow * SM_NEXTROW)], frows * SM_NEXTROW);
bzero(&sm_addr[((startrow + frows) * SM_NEXTROW)],
(nrows - frows) * SM_NEXTROW);
} else
bzero(&sm_addr[(startrow * SM_NEXTROW)], nrows * SM_NEXTROW);
}
static int
smg_alloc_attr(void *id, int fg, int bg, int flags, long *attrp)
{
*attrp = flags;
return 0;
}
static void
setcursor(struct wsdisplay_cursor *v)
{
u_short red, green, blue, curfg[16], curmask[16];
int i;
/* Enable cursor */
if (v->which & WSDISPLAY_CURSOR_DOCUR) {
if (v->enable)
curcmd |= CUR_CMD_ENPB|CUR_CMD_ENPA;
else
curcmd &= ~(CUR_CMD_ENPB|CUR_CMD_ENPA);
WRITECUR(CUR_CMD, curcmd);
}
if (v->which & WSDISPLAY_CURSOR_DOHOT) {
hotX = v->hot.x;
hotY = v->hot.y;
}
if (v->which & WSDISPLAY_CURSOR_DOCMAP) {
/* First background */
red = fusword(v->cmap.red);
green = fusword(v->cmap.green);
blue = fusword(v->cmap.blue);
bgmask = (((30L * red + 59L * green + 11L * blue) >> 8) >=
(((1<<8)-1)*50)) ? ~0 : 0;
red = fusword(v->cmap.red+2);
green = fusword(v->cmap.green+2);
blue = fusword(v->cmap.blue+2);
fgmask = (((30L * red + 59L * green + 11L * blue) >> 8) >=
(((1<<8)-1)*50)) ? ~0 : 0;
}
if (v->which & WSDISPLAY_CURSOR_DOSHAPE) {
WRITECUR(CUR_CMD, curcmd | CUR_CMD_LODSA);
copyin(v->image, curfg, sizeof(curfg));
copyin(v->mask, curmask, sizeof(curmask));
for (i = 0; i < sizeof(curfg)/2; i++) {
WRITECUR(CUR_LOAD, (curfg[i] & fgmask) |
((curmask[i] & ~curfg[i]) & bgmask));
}
for (i = 0; i < sizeof(curmask)/2; i++) {
WRITECUR(CUR_LOAD, curmask[i]);
}
WRITECUR(CUR_CMD, curcmd);
}
}
int
smg_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
{
struct wsdisplay_fbinfo *fb = (void *)data;
static short curc;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_VAX_MONO;
break;
case WSDISPLAYIO_GINFO:
fb->height = SM_YWIDTH;
fb->width = SM_XWIDTH;
fb->depth = 1;
fb->cmsize = 2;
break;
case WSDISPLAYIO_SVIDEO:
if (*(u_int *)data == WSDISPLAYIO_VIDEO_ON) {
curcmd = curc;
} else {
curc = curcmd;
curcmd &= ~(CUR_CMD_FOPA|CUR_CMD_ENPA);
curcmd |= CUR_CMD_FOPB;
}
WRITECUR(CUR_CMD, curcmd);
break;
case WSDISPLAYIO_GVIDEO:
*(u_int *)data = (curcmd & CUR_CMD_FOPB ?
WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON);
break;
case WSDISPLAYIO_SCURSOR:
setcursor((struct wsdisplay_cursor *)data);
break;
case WSDISPLAYIO_SCURPOS:
curx = ((struct wsdisplay_curpos *)data)->x;
cury = ((struct wsdisplay_curpos *)data)->y;
WRITECUR(CUR_XPOS, curx + CUR_XBIAS);
WRITECUR(CUR_YPOS, cury + CUR_YBIAS);
break;
case WSDISPLAYIO_GCURPOS:
((struct wsdisplay_curpos *)data)->x = curx;
((struct wsdisplay_curpos *)data)->y = cury;
break;
default:
return ENOTTY;
}
return 0;
}
static paddr_t
smg_mmap(void *v, off_t offset, int prot)
{
if (offset >= SMSIZE || offset < 0)
return -1;
return (SMADDR + offset) >> PGSHIFT;
}
int
smg_alloc_screen(void *v, const struct wsscreen_descr *type, void **cookiep,
int *curxp, int *curyp, long *defattrp)
{
*cookiep = malloc(sizeof(struct smg_screen), M_DEVBUF, M_WAITOK);
bzero(*cookiep, sizeof(struct smg_screen));
*curxp = *curyp = *defattrp = 0;
return 0;
}
void
smg_free_screen(void *v, void *cookie)
{
}
int
smg_show_screen(void *v, void *cookie, int waitok,
void (*cb)(void *, int, int), void *cbarg)
{
struct smg_screen *ss = cookie;
int row, col, line;
if (ss == curscr)
return (0);
for (row = 0; row < SM_ROWS; row++)
for (line = 0; line < SM_CHEIGHT; line++) {
for (col = 0; col < SM_COLS; col++) {
u_char s, c = ss->ss_image[row][col];
if (c < 32)
c = 32;
s = QFONT(c, line);
if (ss->ss_attr[row][col] & WSATTR_REVERSE)
s ^= 255;
SM_ADDR(row, col, line) = s;
}
if (ss->ss_attr[row][col] & WSATTR_UNDERLINE)
SM_ADDR(row, col, line) = 255;
}
cursor = &sm_addr[(ss->ss_cury * SM_CHEIGHT * SM_COLS) + ss->ss_curx +
((SM_CHEIGHT - 1) * SM_COLS)];
curscr = ss;
return (0);
}
cons_decl(smg);
cdev_decl(wsdisplay);
void
smgcninit(cndev)
struct consdev *cndev;
{
extern void lkccninit(struct consdev *);
extern int lkccngetc(dev_t);
extern int dz_vsbus_lk201_cnattach __P((int));
/* Clear screen */
memset(sm_addr, 0, 128*864);
curscr = &smg_conscreen;
wsdisplay_cnattach(&smg_stdscreen, &smg_conscreen, 0, 0, 0);
cn_tab->cn_pri = CN_INTERNAL;
qf = qvss8x15.data;
#if NDZKBD > 0
dzkbd_cnattach(0); /* Connect keyboard and screen together */
#endif
}
/*
* Called very early to setup the glass tty as console.
* Because it's called before the VM system is inited, virtual memory
* for the framebuffer can be stolen directly without disturbing anything.
*/
void
smgcnprobe(cndev)
struct consdev *cndev;
{
extern vaddr_t virtual_avail;
switch (vax_boardtype) {
case VAX_BTYP_410:
case VAX_BTYP_420:
case VAX_BTYP_43:
if ((vax_confdata & KA420_CFG_L3CON) ||
(vax_confdata & KA420_CFG_MULTU))
break; /* doesn't use graphics console */
sm_addr = (caddr_t)virtual_avail;
virtual_avail += SMSIZE;
ioaccess((vaddr_t)sm_addr, SMADDR, (SMSIZE/VAX_NBPG));
cndev->cn_pri = CN_INTERNAL;
cndev->cn_dev = makedev(getmajor(wsdisplayopen), 0);
break;
default:
break;
}
}
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