426 lines
11 KiB
C
426 lines
11 KiB
C
/* $NetBSD: pm.c,v 1.39 2003/08/07 16:29:10 agc Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Ralph Campbell and Rick Macklem.
|
|
*
|
|
* 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. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)pm.c 8.1 (Berkeley) 6/10/93
|
|
*/
|
|
|
|
/*
|
|
* devGraphics.c --
|
|
*
|
|
* This file contains machine-dependent routines for the graphics device.
|
|
*
|
|
* Copyright (C) 1989 Digital Equipment Corporation.
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation for any purpose and without fee is hereby granted,
|
|
* provided that the above copyright notice appears in all copies.
|
|
* Digital Equipment Corporation makes no representations about the
|
|
* suitability of this software for any purpose. It is provided "as is"
|
|
* without express or implied warranty.
|
|
*
|
|
* from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/devGraphics.c,
|
|
* v 9.2 90/02/13 22:16:24 shirriff Exp SPRITE (DECWRL)";
|
|
*/
|
|
|
|
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
|
|
__KERNEL_RCSID(0, "$NetBSD: pm.c,v 1.39 2003/08/07 16:29:10 agc Exp $");
|
|
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/device.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/file.h>
|
|
|
|
#include <pmax/pmax/kn01.h>
|
|
#include <pmax/ibus/ibusvar.h>
|
|
#include <machine/autoconf.h>
|
|
#include <dev/sun/fbio.h>
|
|
#include <machine/fbvar.h>
|
|
#include <machine/locore.h> /* wbflush() */
|
|
#include <machine/pmioctl.h>
|
|
#include <pmax/dev/bt478var.h>
|
|
#include <pmax/dev/fbreg.h>
|
|
#include <pmax/dev/pmvar.h>
|
|
#include <pmax/dev/pmreg.h>
|
|
|
|
|
|
|
|
/*
|
|
* These need to be mapped into user space.
|
|
*/
|
|
static u_short curReg; /* copy of PCCRegs.cmdr since it's read only */
|
|
|
|
static struct fbuaccess pmu;
|
|
static struct pmax_fbtty pmfb;
|
|
static struct fbinfo *pm_fi;
|
|
|
|
static int pm_video_on __P ((struct fbinfo *));
|
|
static int pm_video_off __P ((struct fbinfo *));
|
|
static void pmInitColorMap __P((struct fbinfo *fi));
|
|
static void pmPosCursor __P((struct fbinfo *fi, int x, int y));
|
|
static void pmLoadCursor __P((struct fbinfo *fi, u_short *ptr));
|
|
static void pccCursorOff __P((struct fbinfo *fi));
|
|
|
|
static struct fbdriver pm_driver = {
|
|
pm_video_on,
|
|
pm_video_off,
|
|
pmInitColorMap, /* pcc cursor wrapper for bt478InitColorMap */
|
|
bt478GetColorMap,
|
|
bt478LoadColorMap,
|
|
pmPosCursor,
|
|
pmLoadCursor,
|
|
bt478CursorColor,
|
|
};
|
|
|
|
static int pmmatch __P((struct device *, struct cfdata *, void *));
|
|
static void pmattach __P((struct device *, struct device *, void *));
|
|
static int pminit __P((struct fbinfo *, caddr_t, int));
|
|
|
|
CFATTACH_DECL(pm_ds, sizeof(struct device),
|
|
pmmatch, pmattach, NULL, NULL);
|
|
|
|
int
|
|
pm_cnattach()
|
|
{
|
|
struct fbinfo *fi;
|
|
caddr_t base;
|
|
|
|
#if 0
|
|
ULTRIX does in this way;
|
|
check the presence of monochrome bit in CSR.
|
|
if set, there is a monochrome framebuffer
|
|
if not set, try two write and read cycles of framebuffer to make
|
|
sure the presence of video memory.
|
|
#else
|
|
base = (caddr_t)MIPS_PHYS_TO_KSEG1(KN01_SYS_PCC);
|
|
if (badaddr(base, 4))
|
|
return (0);
|
|
#endif
|
|
|
|
fbcnalloc(&fi);
|
|
if (pminit(fi, base, 0) < 0)
|
|
return (0);
|
|
pm_fi = fi;
|
|
return (1);
|
|
}
|
|
|
|
static int
|
|
pmmatch(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct ibus_attach_args *ia = aux;
|
|
caddr_t pmaddr = (caddr_t)ia->ia_addr;
|
|
|
|
/* make sure that we're looking for this type of device. */
|
|
if (strcmp(ia->ia_name, "pm") != 0)
|
|
return (0);
|
|
|
|
if (badaddr(pmaddr, 4))
|
|
return (0);
|
|
|
|
return (1);
|
|
}
|
|
|
|
static void
|
|
pmattach(parent, self, aux)
|
|
struct device *parent;
|
|
struct device *self;
|
|
void *aux;
|
|
{
|
|
struct ibus_attach_args *ia = aux;
|
|
caddr_t base = (caddr_t)ia->ia_addr;
|
|
struct fbinfo *fi;
|
|
|
|
if (pm_fi)
|
|
fi = pm_fi;
|
|
else {
|
|
if (fballoc(&fi) < 0 || pminit(fi, base, self->dv_unit) < 0)
|
|
return; /* failed */
|
|
}
|
|
((struct fbsoftc *)self)->sc_fi = fi;
|
|
|
|
printf(": %dx%dx%d%s",
|
|
fi->fi_type.fb_width,
|
|
fi->fi_type.fb_height,
|
|
fi->fi_type.fb_depth,
|
|
(pm_fi) ? " console" : "");
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
int
|
|
pminit(fi, base, unit)
|
|
struct fbinfo *fi;
|
|
caddr_t base;
|
|
int unit;
|
|
{
|
|
u_int16_t kn01csr;
|
|
PCCRegs *pcc;
|
|
|
|
kn01csr = *(volatile u_int16_t *)MIPS_PHYS_TO_KSEG1(KN01_SYS_CSR);
|
|
|
|
fi->fi_unit = unit;
|
|
fi->fi_pixels = (caddr_t)MIPS_PHYS_TO_KSEG1(KN01_PHYS_FBUF_START);
|
|
fi->fi_base = base; /* PCC address */
|
|
fi->fi_vdac = (caddr_t)MIPS_PHYS_TO_KSEG1(KN01_SYS_VDAC);
|
|
|
|
if (kn01csr & KN01_CSR_MONO) {
|
|
fi->fi_type.fb_type = PMAX_FBTYPE_PM_MONO;
|
|
fi->fi_type.fb_depth = 1;
|
|
fi->fi_type.fb_cmsize = 0;
|
|
fi->fi_type.fb_size = 0x40000;
|
|
fi->fi_pixelsize = (1024 / 8) * 864;
|
|
fi->fi_linebytes = 2048 / 8;
|
|
}
|
|
else {
|
|
fi->fi_type.fb_type = PMAX_FBTYPE_PM_COLOR;
|
|
fi->fi_type.fb_depth = 8;
|
|
fi->fi_type.fb_cmsize = 256;
|
|
fi->fi_type.fb_size = 0x100000;
|
|
fi->fi_pixelsize = 1024 * 864;
|
|
fi->fi_linebytes = 1024;
|
|
}
|
|
fi->fi_type.fb_width = 1024;
|
|
fi->fi_type.fb_height = 864;
|
|
fi->fi_size = fi->fi_type.fb_size;
|
|
fi->fi_driver = &pm_driver;
|
|
fi->fi_blanked = 0;
|
|
|
|
/*
|
|
* Set mmap'able address of qvss-compatible user info structure.
|
|
*
|
|
* Must be in Uncached space since the fbuaccess structure is
|
|
* mapped into the user's address space uncached.
|
|
*
|
|
* XXX can go away when MI support for d_mmap entrypoints added.
|
|
*/
|
|
fi->fi_fbu = (void *)MIPS_PHYS_TO_KSEG1(MIPS_KSEG0_TO_PHYS(&pmu));
|
|
|
|
/* This is glass-tty state but it's in the shared structure. Ick. */
|
|
fi->fi_fbu->scrInfo.max_row = 56;
|
|
fi->fi_fbu->scrInfo.max_col = 80;
|
|
|
|
/* These are non-zero on the kn01 framebuffer. Why? */
|
|
fi->fi_fbu->scrInfo.min_cur_x = -15;
|
|
fi->fi_fbu->scrInfo.min_cur_y = -15;
|
|
|
|
init_pmaxfbu(fi);
|
|
|
|
/*
|
|
* Initialize old-style glass-tty screen info.
|
|
*/
|
|
fi->fi_glasstty = &pmfb;
|
|
/* it's safe to assume serial driver existence in this case */
|
|
tb_kbdmouseconfig(fi);
|
|
|
|
/* Initialize the cursor register on . */
|
|
/* Turn off the hardware cursor sprite for rcons text mode. */
|
|
pcc = (PCCRegs *)fi->fi_base;
|
|
pcc->cmdr = PCC_FOPB | PCC_VBHI;
|
|
curReg = 0; /* XXX */
|
|
pccCursorOff(fi);
|
|
|
|
/*
|
|
* Initialize the color map, the screen, and the mouse.
|
|
*/
|
|
bt478init(fi);
|
|
|
|
fbconnect(fi);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* ----------------------------------------------------------------------------
|
|
*
|
|
* pmLoadCursor --
|
|
*
|
|
* Routine to load the cursor Sprite pattern.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* The cursor is loaded into the hardware cursor.
|
|
* Also, turn on the cursor in case it was disabled before.
|
|
* If someone sets a cursor pattern, it should probably be displayed.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
pmLoadCursor(fi, cur)
|
|
struct fbinfo *fi;
|
|
unsigned short *cur;
|
|
{
|
|
PCCRegs *pcc = (PCCRegs *)fi->fi_base;
|
|
int i;
|
|
|
|
curReg |= PCC_LODSA;
|
|
pcc->cmdr = curReg;
|
|
for (i = 0; i < 32; i++) {
|
|
pcc->memory = cur[i];
|
|
wbflush();
|
|
}
|
|
curReg &= ~PCC_LODSA;
|
|
|
|
/* turn on the cursor plane overlays in the PCC chip. */
|
|
curReg |= (PCC_ENPA | PCC_ENPB);
|
|
pcc->cmdr = curReg;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
*----------------------------------------------------------------------
|
|
*
|
|
* pmPosCursor --
|
|
*
|
|
* Postion the cursor.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
* NB: should not turn on the hardwar cursor, since the
|
|
* Xserver positions the cursor to upper left corner as the last
|
|
* cursor operation before it exits.
|
|
*
|
|
*----------------------------------------------------------------------
|
|
*/
|
|
static void
|
|
pmPosCursor(fi, x, y)
|
|
struct fbinfo *fi;
|
|
int x, y;
|
|
{
|
|
PCCRegs *pcc = (PCCRegs *)fi->fi_base;
|
|
|
|
if (y < fi->fi_fbu->scrInfo.min_cur_y ||
|
|
y > fi->fi_fbu->scrInfo.max_cur_y)
|
|
y = fi->fi_fbu->scrInfo.max_cur_y;
|
|
if (x < fi->fi_fbu->scrInfo.min_cur_x ||
|
|
x > fi->fi_fbu->scrInfo.max_cur_x)
|
|
x = fi->fi_fbu->scrInfo.max_cur_x;
|
|
fi->fi_fbu->scrInfo.cursor.x = x; /* keep track of real cursor */
|
|
fi->fi_fbu->scrInfo.cursor.y = y; /* position, indep. of mouse */
|
|
pcc->xpos = PCC_X_OFFSET + x;
|
|
pcc->ypos = PCC_Y_OFFSET + y;
|
|
}
|
|
|
|
|
|
#if 0 /* XXX not used */
|
|
/*
|
|
* Turn hardware cursor on by turning on the enable for A and B
|
|
* overlay planes. video output under the cursor sprite is then
|
|
* determined by the A and B plane contents.
|
|
*/
|
|
void pccCursorOn(fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
PCCRegs *pcc = (PCCRegs *)fi -> fi_base;
|
|
pcc -> cmdr = curReg | (PCC_ENPA | PCC_ENPB);
|
|
wbflush();
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Turn hardware cursor off by turning off the enable for A and B
|
|
* overlay planes. video output under the cursor sprite is then
|
|
* determined by the framebuffer contents.
|
|
*/
|
|
static void
|
|
pccCursorOff(fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
PCCRegs *pcc = (PCCRegs *)fi -> fi_base;
|
|
pcc -> cmdr = curReg & ~(PCC_ENPA | PCC_ENPB);
|
|
wbflush();
|
|
}
|
|
|
|
|
|
/*
|
|
* Initialize colourmap to default values.
|
|
* The default cursor hardware state is off.
|
|
*/
|
|
void
|
|
pmInitColorMap(fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
bt478InitColorMap(fi);
|
|
pccCursorOff(fi);
|
|
}
|
|
|
|
|
|
/*
|
|
* Enable the video display.
|
|
*/
|
|
static int
|
|
pm_video_on(fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
PCCRegs *pcc = (PCCRegs *)fi -> fi_base;
|
|
|
|
if (!fi -> fi_blanked)
|
|
return 0;
|
|
|
|
pcc -> cmdr = curReg & ~(PCC_FOPA | PCC_FOPB);
|
|
bt478RestoreCursorColor (fi);
|
|
fi -> fi_blanked = 0;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Disable the video display.
|
|
* Sets the FOPA and FOPB bits in the PCC chip to force the contents
|
|
* of the A and B overlay planes to 1. Video output is then
|
|
* determined by colourmap entry 12 (0x0c), which we set here to
|
|
* black.
|
|
*/
|
|
static int
|
|
pm_video_off(fi)
|
|
struct fbinfo *fi;
|
|
{
|
|
PCCRegs *pcc = (PCCRegs *)fi -> fi_base;
|
|
|
|
if (fi -> fi_blanked)
|
|
return 0;
|
|
|
|
bt478BlankCursor (fi);
|
|
pcc -> cmdr = curReg | PCC_FOPA | PCC_FOPB;
|
|
fi -> fi_blanked = 1;
|
|
return 0;
|
|
}
|