NetBSD-5.0.2/sys/arch/hp300/dev/grf_hy.c
/* $NetBSD: grf_hy.c,v 1.37 2008/04/28 20:23:19 martin Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department and Mark Davies of the Department of Computer
* Science, Victoria University of Wellington, New Zealand.
*
* 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.
*
* from: Utah $Hdr: grf_hy.c 1.2 93/08/13$
*
* @(#)grf_hy.c 8.4 (Berkeley) 1/12/94
*/
/*
* Copyright (c) 1991 University of Utah.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department and Mark Davies of the Department of Computer
* Science, Victoria University of Wellington, New Zealand.
*
* 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 the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* from: Utah $Hdr: grf_hy.c 1.2 93/08/13$
*
* @(#)grf_hy.c 8.4 (Berkeley) 1/12/94
*/
/*
* Graphics routines for HYPERION frame buffer
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: grf_hy.c,v 1.37 2008/04/28 20:23:19 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <uvm/uvm_extern.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <dev/cons.h>
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diovar.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/intiovar.h>
#include <hp300/dev/grfioctl.h>
#include <hp300/dev/grfvar.h>
#include <hp300/dev/grfreg.h>
#include <hp300/dev/grf_hyreg.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/itereg.h>
#include "ite.h"
static int hy_init(struct grf_data *gp, int, uint8_t *);
static int hy_mode(struct grf_data *gp, int, void *);
static int hyper_dio_match(device_t, cfdata_t, void *);
static void hyper_dio_attach(device_t, device_t, void *);
int hypercnattach(bus_space_tag_t, bus_addr_t, int);
CFATTACH_DECL_NEW(hyper_dio, sizeof(struct grfdev_softc),
hyper_dio_match, hyper_dio_attach, NULL, NULL);
/* Hyperion grf switch */
static struct grfsw hyper_grfsw = {
GID_HYPERION, GRFHYPERION, "hyperion", hy_init, hy_mode
};
static int hyperconscode;
static void *hyperconaddr;
#if NITE > 0
static void hyper_init(struct ite_data *);
static void hyper_deinit(struct ite_data *);
static void hyper_ite_fontinit(struct ite_data *);
static void hyper_putc(struct ite_data *, int, int, int, int);
static void hyper_cursor(struct ite_data *, int);
static void hyper_clear(struct ite_data *, int, int, int, int);
static void hyper_scroll(struct ite_data *, int, int, int, int);
static void hyper_windowmove(struct ite_data *, int, int, int, int,
int, int, int);
/* Hyperion ite switch */
static struct itesw hyper_itesw = {
hyper_init, hyper_deinit, hyper_clear, hyper_putc,
hyper_cursor, hyper_scroll, ite_readbyte, ite_writeglyph
};
#endif /* NITE > 0 */
static int
hyper_dio_match(device_t parent, cfdata_t cf, void *aux)
{
struct dio_attach_args *da = aux;
if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER &&
da->da_secid == DIO_DEVICE_SECID_HYPERION)
return 1;
return 0;
}
static void
hyper_dio_attach(device_t parent, device_t self, void *aux)
{
struct grfdev_softc *sc = device_private(self);
struct dio_attach_args *da = aux;
bus_space_handle_t bsh;
void *grf;
sc->sc_dev = self;
sc->sc_scode = da->da_scode;
if (sc->sc_scode == hyperconscode)
grf = hyperconaddr;
else {
if (bus_space_map(da->da_bst, da->da_addr, da->da_size,
0, &bsh)) {
aprint_error(": can't map framebuffer\n");
return;
}
grf = bus_space_vaddr(da->da_bst, bsh);
}
sc->sc_isconsole = (sc->sc_scode == hyperconscode);
grfdev_attach(sc, hy_init, grf, &hyper_grfsw);
}
/*
* Initialize hardware.
* Must fill in the grfinfo structure in g_softc.
* Returns 0 if hardware not present, non-zero ow.
*/
static int
hy_init(struct grf_data *gp, int scode, uint8_t *addr)
{
struct hyboxfb *hy = (struct hyboxfb *)addr;
struct grfinfo *gi = &gp->g_display;
int fboff;
/*
* If the console has been initialized, and it was us, there's
* no need to repeat this.
*/
if (scode != hyperconscode) {
if (ISIIOVA(addr))
gi->gd_regaddr = (void *)IIOP(addr);
else
gi->gd_regaddr = dio_scodetopa(scode);
gi->gd_regsize = 0x20000;
gi->gd_fbwidth = (hy->fbwmsb << 8) | hy->fbwlsb;
gi->gd_fbheight = (hy->fbhmsb << 8) | hy->fbhlsb;
gi->gd_fbsize = (gi->gd_fbwidth * gi->gd_fbheight) >> 3;
fboff = (hy->fbomsb << 8) | hy->fbolsb;
gi->gd_fbaddr = (void *)(*(addr + fboff) << 16);
if ((vaddr_t)gi->gd_regaddr >= DIOIIBASE) {
/*
* For DIO II space the fbaddr just computed is
* the offset from the select code base (regaddr)
* of the framebuffer. Hence it is also implicitly
* the size of the register set.
*/
gi->gd_regsize = (int)gi->gd_fbaddr;
gi->gd_fbaddr += (int)gi->gd_regaddr;
gp->g_regkva = addr;
gp->g_fbkva = addr + gi->gd_regsize;
} else {
/*
* For DIO space we need to map the separate
* framebuffer.
*/
gp->g_regkva = addr;
gp->g_fbkva = iomap(gi->gd_fbaddr, gi->gd_fbsize);
}
gi->gd_dwidth = (hy->dwmsb << 8) | hy->dwlsb;
gi->gd_dheight = (hy->dhmsb << 8) | hy->dhlsb;
gi->gd_planes = hy->num_planes;
gi->gd_colors = 1 << gi->gd_planes;
}
return 1;
}
/*
* Change the mode of the display.
* Right now all we can do is grfon/grfoff.
* Return a UNIX error number or 0 for success.
* Function may not be needed anymore.
*/
static int
hy_mode(struct grf_data *gp, int cmd, void *data)
{
int error = 0;
switch (cmd) {
case GM_GRFON:
case GM_GRFOFF:
break;
/*
* Remember UVA of mapping for GCDESCRIBE.
* XXX this should be per-process.
*/
case GM_MAP:
gp->g_data = data;
break;
case GM_UNMAP:
gp->g_data = 0;
break;
default:
error = EINVAL;
break;
}
return error;
}
#if NITE > 0
/*
* Hyperion ite routines
*/
#define REGBASE ((struct hyboxfb *)(ip->regbase))
#define WINDOWMOVER hyper_windowmove
#undef charX
#define charX(ip,c) \
(((c) % (ip)->cpl) * ((((ip)->ftwidth + 7) / 8) * 8) + (ip)->fontx)
static void
hyper_init(struct ite_data *ip)
{
int width;
/* XXX */
if (ip->regbase == NULL) {
struct grf_data *gp = ip->grf;
ip->regbase = gp->g_regkva;
ip->fbbase = gp->g_fbkva;
ip->fbwidth = gp->g_display.gd_fbwidth;
ip->fbheight = gp->g_display.gd_fbheight;
ip->dwidth = gp->g_display.gd_dwidth;
ip->dheight = gp->g_display.gd_dheight;
}
ite_fontinfo(ip);
width = ((ip->ftwidth + 7) / 8) * 8;
ip->cpl = (ip->fbwidth - ip->dwidth) / width;
ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight;
/*
* Clear the framebuffer on all planes.
*/
hyper_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
hyper_ite_fontinit(ip);
REGBASE->nblank = 0x05;
/*
* Stash the inverted cursor.
*/
hyper_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
static void
hyper_deinit(struct ite_data *ip)
{
hyper_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
REGBASE->nblank = 0x05;
ip->flags &= ~ITE_INITED;
}
static void
hyper_ite_fontinit(struct ite_data *ip)
{
volatile u_char *fbmem;
u_char *dp;
int c, l, b;
int stride, width;
dp = (u_char *)(getword(ip, getword(ip, FONTROM) + FONTADDR) +
ip->regbase) + FONTDATA;
stride = ip->fbwidth >> 3;
width = (ip->ftwidth + 7) / 8;
for (c = 0; c < 128; c++) {
fbmem = FBBASE +
(ip->fonty + (c / ip->cpl) * ip->ftheight) *
stride;
fbmem += (ip->fontx >> 3) + (c % ip->cpl) * width;
for (l = 0; l < ip->ftheight; l++) {
for (b = 0; b < width; b++) {
*fbmem++ = *dp;
dp += 2;
}
fbmem -= width;
fbmem += stride;
}
}
}
static void
hyper_putc(struct ite_data *ip, int c, int dy, int dx, int mode)
{
int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
hyper_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wmrr);
}
static void
hyper_cursor(struct ite_data *ip, int flag)
{
if (flag == DRAW_CURSOR)
draw_cursor(ip)
else if (flag == MOVE_CURSOR) {
erase_cursor(ip)
draw_cursor(ip)
}
else
erase_cursor(ip)
}
static void
hyper_clear(struct ite_data *ip, int sy, int sx, int h, int w)
{
hyper_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
void
hyper_scroll(struct ite_data *ip, int sy, int sx, int count, int dir)
{
int dy;
int dx = sx;
int height = 1;
int width = ip->cols;
if (dir == SCROLL_UP) {
dy = sy - count;
height = ip->rows - sy;
}
else if (dir == SCROLL_DOWN) {
dy = sy + count;
height = ip->rows - dy - 1;
}
else if (dir == SCROLL_RIGHT) {
dy = sy;
dx = sx + count;
width = ip->cols - dx;
}
else {
dy = sy;
dx = sx - count;
width = ip->cols - sx;
}
hyper_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
#include <hp300/dev/maskbits.h>
/* NOTE:
* the first element in starttab could be 0xffffffff. making it 0
* lets us deal with a full first word in the middle loop, rather
* than having to do the multiple reads and masks that we'd
* have to do if we thought it was partial.
*/
static const int starttab[32] = {
0x00000000,
0x7FFFFFFF,
0x3FFFFFFF,
0x1FFFFFFF,
0x0FFFFFFF,
0x07FFFFFF,
0x03FFFFFF,
0x01FFFFFF,
0x00FFFFFF,
0x007FFFFF,
0x003FFFFF,
0x001FFFFF,
0x000FFFFF,
0x0007FFFF,
0x0003FFFF,
0x0001FFFF,
0x0000FFFF,
0x00007FFF,
0x00003FFF,
0x00001FFF,
0x00000FFF,
0x000007FF,
0x000003FF,
0x000001FF,
0x000000FF,
0x0000007F,
0x0000003F,
0x0000001F,
0x0000000F,
0x00000007,
0x00000003,
0x00000001
};
static const int endtab[32] = {
0x00000000,
0x80000000,
0xC0000000,
0xE0000000,
0xF0000000,
0xF8000000,
0xFC000000,
0xFE000000,
0xFF000000,
0xFF800000,
0xFFC00000,
0xFFE00000,
0xFFF00000,
0xFFF80000,
0xFFFC0000,
0xFFFE0000,
0xFFFF0000,
0xFFFF8000,
0xFFFFC000,
0xFFFFE000,
0xFFFFF000,
0xFFFFF800,
0xFFFFFC00,
0xFFFFFE00,
0xFFFFFF00,
0xFFFFFF80,
0xFFFFFFC0,
0xFFFFFFE0,
0xFFFFFFF0,
0xFFFFFFF8,
0xFFFFFFFC,
0xFFFFFFFE
};
static void
hyper_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
int w, int func)
{
int width; /* add to get to same position in next line */
unsigned int *psrcLine, *pdstLine;
/* pointers to line with current src and dst */
unsigned int *psrc; /* pointer to current src longword */
unsigned int *pdst; /* pointer to current dst longword */
/* following used for looping through a line */
unsigned int startmask, endmask; /* masks for writing ends of dst */
int nlMiddle; /* whole longwords in dst */
int nl; /* temp copy of nlMiddle */
unsigned int tmpSrc;
/* place to store full source word */
int xoffSrc; /* offset (>= 0, < 32) from which to
fetch whole longwords fetched
in src */
int nstart; /* number of ragged bits at start of dst */
int nend; /* number of ragged bits at end of dst */
int srcStartOver; /* pulling nstart bits from src
overflows into the next word? */
if (h == 0 || w == 0)
return;
width = ip->fbwidth >> 5;
if (sy < dy) {
/* start at last scanline of rectangle */
psrcLine = ((unsigned int *) ip->fbbase) + ((sy+h-1) * width);
pdstLine = ((unsigned int *) ip->fbbase) + ((dy+h-1) * width);
width = -width;
} else {
/* start at first scanline */
psrcLine = ((unsigned int *) ip->fbbase) + (sy * width);
pdstLine = ((unsigned int *) ip->fbbase) + (dy * width);
}
/* x direction doesn't matter for < 1 longword */
if (w <= 32) {
int srcBit, dstBit; /* bit offset of src and dst */
pdstLine += (dx >> 5);
psrcLine += (sx >> 5);
psrc = psrcLine;
pdst = pdstLine;
srcBit = sx & 0x1f;
dstBit = dx & 0x1f;
while (h--) {
getandputrop(psrc, srcBit, dstBit, w, pdst, func);
pdst += width;
psrc += width;
}
} else {
maskbits(dx, w, startmask, endmask, nlMiddle);
if (startmask)
nstart = 32 - (dx & 0x1f);
else
nstart = 0;
if (endmask)
nend = (dx + w) & 0x1f;
else
nend = 0;
xoffSrc = ((sx & 0x1f) + nstart) & 0x1f;
srcStartOver = ((sx & 0x1f) + nstart) > 31;
if (sx >= dx) {
/* move left to right */
pdstLine += (dx >> 5);
psrcLine += (sx >> 5);
while (h--) {
psrc = psrcLine;
pdst = pdstLine;
if (startmask) {
getandputrop(psrc, (sx & 0x1f),
(dx & 0x1f), nstart, pdst, func);
pdst++;
if (srcStartOver)
psrc++;
}
/* special case for aligned operations */
if (xoffSrc == 0) {
nl = nlMiddle;
while (nl--) {
DoRop(*pdst, func, *psrc++,
*pdst);
pdst++;
}
} else {
nl = nlMiddle + 1;
while (--nl) {
getunalignedword(psrc,
xoffSrc, tmpSrc);
DoRop(*pdst, func, tmpSrc,
*pdst);
pdst++;
psrc++;
}
}
if (endmask) {
getandputrop0(psrc, xoffSrc, nend,
pdst, func);
}
pdstLine += width;
psrcLine += width;
}
} else {
/* move right to left */
pdstLine += ((dx + w) >> 5);
psrcLine += ((sx + w) >> 5);
/*
* if fetch of last partial bits from source crosses
* a longword boundary, start at the previous longword
*/
if (xoffSrc + nend >= 32)
--psrcLine;
while (h--) {
psrc = psrcLine;
pdst = pdstLine;
if (endmask) {
getandputrop0(psrc, xoffSrc, nend,
pdst, func);
}
nl = nlMiddle + 1;
while (--nl) {
--psrc;
--pdst;
getunalignedword(psrc, xoffSrc, tmpSrc);
DoRop(*pdst, func, tmpSrc, *pdst);
}
if (startmask) {
if (srcStartOver)
--psrc;
--pdst;
getandputrop(psrc, (sx & 0x1f),
(dx & 0x1f), nstart, pdst, func);
}
pdstLine += width;
psrcLine += width;
}
} /* move right to left */
}
}
/*
* Hyperion console support
*/
int
hypercnattach(bus_space_tag_t bst, bus_addr_t addr, int scode)
{
bus_space_handle_t bsh;
void *va;
struct grfreg *grf;
struct grf_data *gp = &grf_cn;
int size;
if (bus_space_map(bst, addr, PAGE_SIZE, 0, &bsh))
return 1;
va = bus_space_vaddr(bst, bsh);
grf = (struct grfreg *)va;
if (badaddr(va) ||
(grf->gr_id != GRFHWID) || (grf->gr_id2 != GID_HYPERION)) {
bus_space_unmap(bst, bsh, PAGE_SIZE);
return 1;
}
size = DIO_SIZE(scode, va);
bus_space_unmap(bst, bsh, PAGE_SIZE);
if (bus_space_map(bst, addr, size, 0, &bsh))
return 1;
va = bus_space_vaddr(bst, bsh);
/*
* Initialize the framebuffer hardware.
*/
(void)hy_init(gp, scode, va);
hyperconscode = scode;
hyperconaddr = va;
/*
* Set up required grf data.
*/
gp->g_sw = &hyper_grfsw;
gp->g_display.gd_id = gp->g_sw->gd_swid;
gp->g_flags = GF_ALIVE;
/*
* Initialize the terminal emulator.
*/
itedisplaycnattach(gp, &hyper_itesw);
return 0;
}
#endif /* NITE > 0 */