NetBSD-5.0.2/sys/arch/hp300/dev/grf_gb.c
/* $NetBSD: grf_gb.c,v 1.39 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 $Hdr: grf_gb.c 1.18 93/08/13$
*
* @(#)grf_gb.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 $Hdr: grf_gb.c 1.18 93/08/13$
*
* @(#)grf_gb.c 8.4 (Berkeley) 1/12/94
*/
/*
* Graphics routines for the Gatorbox.
*
* Note: In the context of this system, "gator" and "gatorbox" both refer to
* HP 987x0 graphics systems. "Gator" is not used for high res mono.
* (as in 9837 Gator systems)
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: grf_gb.c,v 1.39 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 <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_gbreg.h>
#include <hp300/dev/itevar.h>
#include <hp300/dev/itereg.h>
#include "ite.h"
#define CRTC_DATA_LENGTH 0x0e
static uint8_t crtc_init_data[CRTC_DATA_LENGTH] = {
0x29, 0x20, 0x23, 0x04, 0x30, 0x0b, 0x30,
0x30, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00
};
static int gb_init(struct grf_data *gp, int, uint8_t *);
static int gb_mode(struct grf_data *gp, int, void *);
static void gb_microcode(struct gboxfb *);
static int gbox_intio_match(device_t, cfdata_t, void *);
static void gbox_intio_attach(device_t, device_t, void *);
static int gbox_dio_match(device_t, cfdata_t, void *);
static void gbox_dio_attach(device_t, device_t, void *);
int gboxcnattach(bus_space_tag_t, bus_addr_t, int);
CFATTACH_DECL_NEW(gbox_intio, sizeof(struct grfdev_softc),
gbox_intio_match, gbox_intio_attach, NULL, NULL);
CFATTACH_DECL_NEW(gbox_dio, sizeof(struct grfdev_softc),
gbox_dio_match, gbox_dio_attach, NULL, NULL);
/* Gatorbox grf switch */
static struct grfsw gbox_grfsw = {
GID_GATORBOX, GRFGATOR, "gatorbox", gb_init, gb_mode
};
static int gbconscode;
static void *gbconaddr;
#if NITE > 0
static void gbox_init(struct ite_data *);
static void gbox_deinit(struct ite_data *);
static void gbox_putc(struct ite_data *, int, int, int, int);
static void gbox_cursor(struct ite_data *, int);
static void gbox_clear(struct ite_data *, int, int, int, int);
static void gbox_scroll(struct ite_data *, int, int, int, int);
static void gbox_windowmove(struct ite_data *, int, int, int, int,
int, int, int);
/* Gatorbox ite switch */
static struct itesw gbox_itesw = {
gbox_init, gbox_deinit, gbox_clear, gbox_putc,
gbox_cursor, gbox_scroll, ite_readbyte, ite_writeglyph
};
#endif /* NITE > 0 */
static int
gbox_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 &&
grf->gr_id2 == DIO_DEVICE_SECID_GATORBOX) {
return 1;
}
return 0;
}
static void
gbox_intio_attach(device_t parent, device_t self, void *aux)
{
struct grfdev_softc *sc = device_private(self);
struct intio_attach_args *ia = aux;
void *grf;
sc->sc_dev = self;
grf = (void *)ia->ia_addr;
sc->sc_scode = -1; /* XXX internal i/o */
sc->sc_isconsole = (sc->sc_scode == gbconscode);
grfdev_attach(sc, gb_init, grf, &gbox_grfsw);
}
static int
gbox_dio_match(device_t parent, cfdata_t match, void *aux)
{
struct dio_attach_args *da = aux;
if (da->da_id == DIO_DEVICE_ID_FRAMEBUFFER &&
da->da_secid == DIO_DEVICE_SECID_GATORBOX)
return 1;
return 0;
}
static void
gbox_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 == gbconscode)
grf = gbconaddr;
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 == gbconscode);
grfdev_attach(sc, gb_init, grf, &gbox_grfsw);
}
/*
* Initialize hardware.
* Must point g_display at a grfinfo structure describing the hardware.
* Returns 0 if hardware not present, non-zero ow.
*/
int
gb_init(struct grf_data *gp, int scode, uint8_t *addr)
{
struct gboxfb *gbp;
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 != gbconscode) {
gbp = (struct gboxfb *)addr;
if (ISIIOVA(addr))
gi->gd_regaddr = (void *)IIOP(addr);
else
gi->gd_regaddr = dio_scodetopa(scode);
gi->gd_regsize = 0x10000;
gi->gd_fbwidth = 1024; /* XXX */
gi->gd_fbheight = 1024; /* XXX */
gi->gd_fbsize = gi->gd_fbwidth * gi->gd_fbheight;
fboff = (gbp->fbomsb << 8) | gbp->fbolsb;
gi->gd_fbaddr = (void *)(*(addr + fboff) << 16);
gp->g_regkva = addr;
gp->g_fbkva = iomap(gi->gd_fbaddr, gi->gd_fbsize);
gi->gd_dwidth = 1024; /* XXX */
gi->gd_dheight = 768; /* XXX */
gi->gd_planes = 0; /* how do we do this? */
/*
* The minimal info here is from the Gatorbox X driver.
*/
fbp = gp->g_fbkva;
gbp->write_protect = 0;
gbp->interrupt = 4; /** fb_enable ? **/
gbp->rep_rule = 3; /* GXcopy */
gbp->blink1 = 0xff;
gbp->blink2 = 0xff;
gb_microcode(gbp);
/*
* Find out how many colors are available by determining
* which planes are installed. That is, write all ones to
* a frame buffer location, see how many ones are read back.
*/
save = *fbp;
*fbp = 0xFF;
gi->gd_colors = *fbp + 1;
*fbp = save;
}
return 1;
}
/*
* Program the 6845.
*/
void
gb_microcode(struct gboxfb *gbp)
{
int i;
for (i = 0; i < CRTC_DATA_LENGTH; i++) {
gbp->crtc_address = i;
gbp->crtc_data = crtc_init_data[i];
}
}
/*
* Change the mode of the display.
* Right now all we can do is grfon/grfoff.
* Return a UNIX error number or 0 for success.
*/
int
gb_mode(struct grf_data *gp, int cmd, void *data)
{
struct gboxfb *gbp;
int error = 0;
gbp = (struct gboxfb *)gp->g_regkva;
switch (cmd) {
case GM_GRFON:
gbp->sec_interrupt = 1;
break;
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
/*
* Gatorbox ite routines
*/
#define REGBASE ((struct gboxfb *)(ip->regbase))
#define WINDOWMOVER gbox_windowmove
static void
gbox_init(struct ite_data *ip)
{
/* XXX */
if (ip->regbase == 0) {
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;
}
REGBASE->write_protect = 0x0;
REGBASE->interrupt = 0x4;
REGBASE->rep_rule = RR_COPY;
REGBASE->blink1 = 0xff;
REGBASE->blink2 = 0xff;
gb_microcode((struct gboxfb *)ip->regbase);
REGBASE->sec_interrupt = 0x01;
/*
* Set up the color map entries. We use three entries in the
* color map. The first, is for black, the second is for
* white, and the very last entry is for the inverted cursor.
*/
REGBASE->creg_select = 0x00;
REGBASE->cmap_red = 0x00;
REGBASE->cmap_grn = 0x00;
REGBASE->cmap_blu = 0x00;
REGBASE->cmap_write = 0x00;
gbcm_waitbusy(ip->regbase);
REGBASE->creg_select = 0x01;
REGBASE->cmap_red = 0xFF;
REGBASE->cmap_grn = 0xFF;
REGBASE->cmap_blu = 0xFF;
REGBASE->cmap_write = 0x01;
gbcm_waitbusy(ip->regbase);
REGBASE->creg_select = 0xFF;
REGBASE->cmap_red = 0xFF;
REGBASE->cmap_grn = 0xFF;
REGBASE->cmap_blu = 0xFF;
REGBASE->cmap_write = 0x01;
gbcm_waitbusy(ip->regbase);
ite_fontinfo(ip);
ite_fontinit(ip);
/*
* Clear the display. This used to be before the font unpacking
* but it crashes. Figure it out later.
*/
gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
tile_mover_waitbusy(ip->regbase);
/*
* Stash the inverted cursor.
*/
gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
ip->cblanky, ip->cblankx, ip->ftheight,
ip->ftwidth, RR_COPYINVERTED);
}
static void
gbox_deinit(struct ite_data *ip)
{
gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
tile_mover_waitbusy(ip->regbase);
ip->flags &= ~ITE_INITED;
}
static void
gbox_putc(struct ite_data *ip, int c, int dy, int dx, int mode)
{
int wrr = ((mode == ATTR_INV) ? RR_COPYINVERTED : RR_COPY);
gbox_windowmove(ip, charY(ip, c), charX(ip, c),
dy * ip->ftheight, dx * ip->ftwidth,
ip->ftheight, ip->ftwidth, wrr);
}
static void
gbox_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
gbox_clear(struct ite_data *ip, int sy, int sx, int h, int w)
{
gbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
sy * ip->ftheight, sx * ip->ftwidth,
h * ip->ftheight, w * ip->ftwidth,
RR_CLEAR);
}
#define gbox_blockmove(ip, sy, sx, dy, dx, h, w) \
gbox_windowmove((ip), \
(sy) * ip->ftheight, \
(sx) * ip->ftwidth, \
(dy) * ip->ftheight, \
(dx) * ip->ftwidth, \
(h) * ip->ftheight, \
(w) * ip->ftwidth, \
RR_COPY)
static void
gbox_scroll(struct ite_data *ip, int sy, int sx, int count, int dir)
{
int height, dy, i;
tile_mover_waitbusy(ip->regbase);
REGBASE->write_protect = 0x0;
if (dir == SCROLL_UP) {
dy = sy - count;
height = ip->rows - sy;
for (i = 0; i < height; i++)
gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
}
else if (dir == SCROLL_DOWN) {
dy = sy + count;
height = ip->rows - dy;
for (i = (height - 1); i >= 0; i--)
gbox_blockmove(ip, sy + i, sx, dy + i, 0, 1, ip->cols);
}
else if (dir == SCROLL_RIGHT) {
gbox_blockmove(ip, sy, sx, sy, sx + count,
1, ip->cols - (sx + count));
}
else {
gbox_blockmove(ip, sy, sx, sy, sx - count,
1, ip->cols - sx);
}
}
static void
gbox_windowmove(struct ite_data *ip, int sy, int sx, int dy, int dx, int h,
int w, int mask)
{
int src, dest;
src = (sy * 1024) + sx; /* upper left corner in pixels */
dest = (dy * 1024) + dx;
tile_mover_waitbusy(ip->regbase);
REGBASE->width = -(w / 4);
REGBASE->height = -(h / 4);
if (src < dest)
REGBASE->rep_rule = MOVE_DOWN_RIGHT|mask;
else {
REGBASE->rep_rule = MOVE_UP_LEFT|mask;
/*
* Adjust to top of lower right tile of the block.
*/
src = src + ((h - 4) * 1024) + (w - 4);
dest= dest + ((h - 4) * 1024) + (w - 4);
}
FBBASE[dest] = FBBASE[src];
}
/*
* Gatorbox console support
*/
int
gboxcnattach(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_GATORBOX)) {
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)gb_init(gp, scode, va);
gbconscode = scode;
gbconaddr = va;
/*
* Set up required grf data.
*/
gp->g_sw = &gbox_grfsw;
gp->g_display.gd_id = gp->g_sw->gd_swid;
gp->g_flags = GF_ALIVE;
/*
* Initialize the terminal emulator.
*/
itedisplaycnattach(gp, &gbox_itesw);
return 0;
}
#endif /* NITE > 0 */