NetBSD-5.0.2/sys/arch/hp300/dev/grf_tc.c
/* $NetBSD: grf_tc.c,v 1.42 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.
*
* 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 $Hdr: grf_tc.c 1.20 93/08/13$
*
* @(#)grf_tc.c 8.4 (Berkeley) 1/12/94
*/
/*
* Copyright (c) 1988 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.
*
* 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 $Hdr: grf_tc.c 1.20 93/08/13$
*
* @(#)grf_tc.c 8.4 (Berkeley) 1/12/94
*/
/*
* Graphics routines for TOPCAT and CATSEYE frame buffers
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: grf_tc.c,v 1.42 2008/04/28 20:23:19 martin Exp $");
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/systm.h>
#include <sys/device.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_tcreg.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/itereg.h>
#include "ite.h"
static int tc_init(struct grf_data *, int, uint8_t *);
static int tc_mode(struct grf_data *, int, void *);
static void topcat_common_attach(struct grfdev_softc *, void *, uint8_t);
static int topcat_intio_match(device_t, cfdata_t, void *);
static void topcat_intio_attach(device_t, device_t, void *);
static int topcat_dio_match(device_t, cfdata_t, void *);
static void topcat_dio_attach(device_t, device_t, void *);
int topcatcnattach(bus_space_tag_t, bus_addr_t, int);
CFATTACH_DECL_NEW(topcat_intio, sizeof(struct grfdev_softc),
topcat_intio_match, topcat_intio_attach, NULL, NULL);
CFATTACH_DECL_NEW(topcat_dio, sizeof(struct grfdev_softc),
topcat_dio_match, topcat_dio_attach, NULL, NULL);
/* Topcat (bobcat) grf switch */
static struct grfsw topcat_grfsw = {
GID_TOPCAT, GRFBOBCAT, "topcat", tc_init, tc_mode
};
/* Lo-res catseye grf switch */
static struct grfsw lrcatseye_grfsw = {
GID_LRCATSEYE, GRFCATSEYE, "lo-res catseye", tc_init, tc_mode
};
/* Hi-res catseye grf switch */
static struct grfsw hrcatseye_grfsw = {
GID_HRCCATSEYE, GRFCATSEYE, "hi-res catseye", tc_init, tc_mode
};
/* Hi-res monochrome catseye grf switch */
static struct grfsw hrmcatseye_grfsw = {
GID_HRMCATSEYE, GRFCATSEYE, "hi-res catseye", tc_init, tc_mode
};
static int tcconscode;
static void *tcconaddr;
#if NITE > 0
static void topcat_init(struct ite_data *);
static void topcat_deinit(struct ite_data *);
static void topcat_putc(struct ite_data *, int, int, int, int);
static void topcat_cursor(struct ite_data *, int);
static void topcat_clear(struct ite_data *, int, int, int, int);
static void topcat_scroll(struct ite_data *, int, int, int, int);
static void topcat_windowmove(struct ite_data *, int, int, int, int,
int, int, int);
/* Topcat/catseye ite switch */
static struct itesw topcat_itesw = {
topcat_init, topcat_deinit, topcat_clear, topcat_putc,
topcat_cursor, topcat_scroll, ite_readbyte, ite_writeglyph
};
#endif /* NITE > 0 */
static int
topcat_intio_match(device_t parent, cfdata_t cf, void *aux)
{
struct intio_attach_args *ia = aux;
struct grfreg *grf;
if (strcmp("fb",ia->ia_modname) != 0)
return 0;
if (badaddr((void *)ia->ia_addr))
return 0;
grf = (struct grfreg *)ia->ia_addr;
if (grf->gr_id == DIO_DEVICE_ID_FRAMEBUFFER) {
switch (grf->gr_id2) {
case DIO_DEVICE_SECID_TOPCAT:
case DIO_DEVICE_SECID_LRCATSEYE:
case DIO_DEVICE_SECID_HRCCATSEYE:
case DIO_DEVICE_SECID_HRMCATSEYE:
#if 0
case DIO_DEVICE_SECID_XXXCATSEYE:
#endif
return 1;
}
}
return 0;
}
static void
topcat_intio_attach(device_t parent, device_t self, void *aux)
{
struct grfdev_softc *sc = device_private(self);
struct intio_attach_args *ia = aux;
struct grfreg *grf;
sc->sc_dev = self;
grf = (struct grfreg *)ia->ia_addr;
sc->sc_scode = -1; /* XXX internal i/o */
topcat_common_attach(sc, (void *)grf, grf->gr_id2);
}
static int
topcat_dio_match(device_t parent, cfdata_t cf, void *aux)
{
struct dio_attach_args *da = aux;
if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER) {
switch (da->da_secid) {
case DIO_DEVICE_SECID_TOPCAT:
case DIO_DEVICE_SECID_LRCATSEYE:
case DIO_DEVICE_SECID_HRCCATSEYE:
case DIO_DEVICE_SECID_HRMCATSEYE:
#if 0
case DIO_DEVICE_SECID_XXXCATSEYE:
#endif
return 1;
}
}
return 0;
}
static void
topcat_dio_attach(device_t parent, device_t self, void *aux)
{
struct grfdev_softc *sc = device_private(self);
struct dio_attach_args *da = aux;
void *grf;
bus_space_handle_t bsh;
sc->sc_dev = self;
sc->sc_scode = da->da_scode;
if (sc->sc_scode == tcconscode)
grf = tcconaddr;
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);
}
topcat_common_attach(sc, grf, da->da_secid);
}
static void
topcat_common_attach(struct grfdev_softc *sc, void *grf, uint8_t secid)
{
struct grfsw *sw;
switch (secid) {
case DIO_DEVICE_SECID_TOPCAT:
sw = &topcat_grfsw;
break;
case DIO_DEVICE_SECID_LRCATSEYE:
sw = &lrcatseye_grfsw;
break;
case DIO_DEVICE_SECID_HRCCATSEYE:
sw = &hrcatseye_grfsw;
break;
case DIO_DEVICE_SECID_HRMCATSEYE:
sw = &hrmcatseye_grfsw;
break;
#if 0
case DIO_DEVICE_SECID_XXXCATSEYE:
sw = XXX?
break;
#endif
default:
aprint_error(": unknown device 0x%x\n", secid);
panic("%s: unknown topcat", __func__);
}
sc->sc_isconsole = (sc->sc_scode == tcconscode);
grfdev_attach(sc, tc_init, grf, sw);
}
/*
* Initialize hardware.
* Must fill in the grfinfo structure in g_softc.
* Returns 0 if hardware not present, non-zero ow.
*/
static int
tc_init(struct grf_data *gp, int scode, uint8_t *addr)
{
struct tcboxfb *tp = (struct tcboxfb *)addr;
struct grfinfo *gi = &gp->g_display;
volatile uint8_t *fbp;
uint8_t save;
int fboff;
/*
* If the console has been initialized, and it was us, there's
* no need to repeat this.
*/
if (scode != tcconscode) {
if (ISIIOVA(addr))
gi->gd_regaddr = (void *)IIOP(addr);
else
gi->gd_regaddr = dio_scodetopa(scode);
gi->gd_regsize = 0x10000;
gi->gd_fbwidth = (tp->fbwmsb << 8) | tp->fbwlsb;
gi->gd_fbheight = (tp->fbhmsb << 8) | tp->fbhlsb;
gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
fboff = (tp->fbomsb << 8) | tp->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 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 = (tp->dwmsb << 8) | tp->dwlsb;
gi->gd_dheight = (tp->dhmsb << 8) | tp->dhlsb;
gi->gd_planes = tp->num_planes;
gi->gd_colors = 1 << gi->gd_planes;
if (gi->gd_colors == 1) {
fbp = gp->g_fbkva;
tp->wen = ~0;
tp->prr = 0x3;
tp->fben = ~0;
save = *fbp;
*fbp = 0xFF;
gi->gd_colors = *fbp + 1;
*fbp = save;
}
}
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.
*/
/*ARGSUSED*/
static int
tc_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
/*
* Topcat/catseye ite routines
*/
#define REGBASE ((struct tcboxfb *)(ip->regbase))
#define WINDOWMOVER topcat_windowmove
static void
topcat_init(struct ite_data *ip)
{
/* 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;
}
/*
* Catseye looks a lot like a topcat, but not completely.
* So, we set some bits to make it work.
*/
if (REGBASE->fbid != GID_TOPCAT) {
while ((REGBASE->catseye_status & 1))
;
REGBASE->catseye_status = 0x0;
REGBASE->vb_select = 0x0;
REGBASE->tcntrl = 0x0;
REGBASE->acntrl = 0x0;
REGBASE->pncntrl = 0x0;
REGBASE->rug_cmdstat = 0x90;
}
/*
* Determine the number of planes by writing to the first frame
* buffer display location, then reading it back.
*/
REGBASE->wen = ~0;
REGBASE->fben = ~0;
REGBASE->prr = RR_COPY;
*FBBASE = 0xFF;
ip->planemask = *FBBASE;
/*
* Enable reading/writing of all the planes.
*/
REGBASE->fben = ip->planemask;
REGBASE->wen = ip->planemask;
REGBASE->ren = ip->planemask;
REGBASE->prr = RR_COPY;
ite_fontinfo(ip);
/*
* Clear the framebuffer on all planes.
*/
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(ip->regbase, ip->planemask);
ite_fontinit(ip);
/*
* Initialize color map for color displays
*/
if (ip->planemask != 1) {
tc_waitbusy(ip->regbase, ip->planemask);
REGBASE->nblank = 0x01;
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0xFF;
REGBASE->strobe = 0xFF;
DELAY(100);
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0x0;
DELAY(100);
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0xFF;
REGBASE->gdata = 0xFF;
REGBASE->bdata = 0xFF;
REGBASE->cindex = 0xFE;
REGBASE->strobe = 0xFF;
DELAY(100);
tccm_waitbusy(ip->regbase);
REGBASE->rdata = 0x0;
REGBASE->gdata = 0x0;
REGBASE->bdata = 0x0;
REGBASE->cindex = 0x0;
}
/*
* Stash the inverted cursor.
*/
topcat_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
static void
topcat_deinit(struct ite_data *ip)
{
topcat_windowmove(ip, 0, 0, 0, 0, ip->fbheight, ip->fbwidth, RR_CLEAR);
tc_waitbusy(ip->regbase, ip->planemask);
REGBASE->nblank = ~0;
ip->flags &= ~ITE_INITED;
}
static void
topcat_putc(struct ite_data *ip, int c, int dy, int dx, int mode)
{
int wmrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
topcat_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wmrr);
}
static void
topcat_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
topcat_clear(struct ite_data *ip, int sy, int sx, int h, int w)
{
topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
static void
topcat_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;
}
topcat_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
dy * ip->ftheight, dx * ip->ftwidth,
height * ip->ftheight,
width * ip->ftwidth, RR_COPY);
}
void
topcat_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
int w, int func)
{
struct tcboxfb *rp = REGBASE;
if (h == 0 || w == 0)
return;
tc_waitbusy(ip->regbase, ip->planemask);
rp->wmrr = func;
rp->source_y = sy;
rp->source_x = sx;
rp->dest_y = dy;
rp->dest_x = dx;
rp->wheight = h;
rp->wwidth = w;
rp->wmove = ip->planemask;
}
/*
* Topcat/catseye console attachment
*/
int
topcatcnattach(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) {
bus_space_unmap(bst, bsh, PAGE_SIZE);
return 1;
}
switch (grf->gr_id2) {
case GID_TOPCAT:
gp->g_sw = &topcat_grfsw;
break;
case GID_LRCATSEYE:
gp->g_sw = &lrcatseye_grfsw;
break;
case GID_HRCCATSEYE:
gp->g_sw = &hrcatseye_grfsw;
break;
case GID_HRMCATSEYE:
gp->g_sw = &hrmcatseye_grfsw;
break;
default:
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)tc_init(gp, scode, va);
tcconscode = scode;
tcconaddr = va;
/*
* Set up required grf data.
*/
gp->g_display.gd_id = gp->g_sw->gd_swid;
gp->g_flags = GF_ALIVE;
/*
* Initialize the terminal emulator.
*/
itedisplaycnattach(gp, &topcat_itesw);
return 0;
}
#endif /* NITE > 0 */