NetBSD-5.0.2/sys/dev/sbus/p9100.c
/* $NetBSD: p9100.c,v 1.39 2008/06/11 21:25:31 drochner Exp $ */
/*-
* Copyright (c) 1998, 2005, 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas.
*
* 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.
*/
/*
* color display (p9100) driver.
*
* Does not handle interrupts, even though they can occur.
*
* XXX should defer colormap updates to vertical retrace interrupts
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: p9100.c,v 1.39 2008/06/11 21:25:31 drochner Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/tty.h>
#include <sys/conf.h>
#include <sys/bus.h>
#include <machine/autoconf.h>
#include <dev/sun/fbio.h>
#include <dev/sun/fbvar.h>
#include <dev/sun/btreg.h>
#include <dev/sun/btvar.h>
#include <dev/sbus/p9100reg.h>
#include <dev/sbus/sbusvar.h>
/*#include <dev/wscons/wsdisplayvar.h>*/
#include <dev/wscons/wsconsio.h>
#include <dev/wsfont/wsfont.h>
#include <dev/rasops/rasops.h>
#include <dev/wscons/wsdisplay_vconsvar.h>
#include "opt_wsemul.h"
#include "rasops_glue.h"
#include "tctrl.h"
#if NTCTRL > 0
#include <machine/tctrl.h>
#include <sparc/dev/tctrlvar.h>/*XXX*/
#endif
struct pnozz_cursor {
short pc_enable; /* cursor is enabled */
struct fbcurpos pc_pos; /* position */
struct fbcurpos pc_hot; /* hot-spot */
struct fbcurpos pc_size; /* size of mask & image fields */
uint32_t pc_bits[0x100]; /* space for mask & image bits */
unsigned char red[3], green[3];
unsigned char blue[3]; /* cursor palette */
};
/* per-display variables */
struct p9100_softc {
struct device sc_dev; /* base device */
struct sbusdev sc_sd; /* sbus device */
struct fbdevice sc_fb; /* frame buffer device */
bus_space_tag_t sc_bustag;
bus_addr_t sc_ctl_paddr; /* phys address description */
bus_size_t sc_ctl_psize; /* for device mmap() */
bus_space_handle_t sc_ctl_memh; /* bus space handle */
bus_addr_t sc_cmd_paddr; /* phys address description */
bus_size_t sc_cmd_psize; /* for device mmap() */
bus_space_handle_t sc_cmd_memh; /* bus space handle */
bus_addr_t sc_fb_paddr; /* phys address description */
bus_size_t sc_fb_psize; /* for device mmap() */
bus_space_handle_t sc_fb_memh; /* bus space handle */
volatile uint32_t sc_junk;
uint32_t sc_mono_width; /* for setup_mono */
uint32_t sc_width;
uint32_t sc_height; /* panel width / height */
uint32_t sc_stride;
uint32_t sc_depth;
union bt_cmap sc_cmap; /* Brooktree color map */
struct pnozz_cursor sc_cursor;
int sc_mode;
int sc_video, sc_powerstate;
uint32_t sc_bg;
volatile uint32_t sc_last_offset;
struct vcons_data vd;
};
static struct vcons_screen p9100_console_screen;
extern const u_char rasops_cmap[768];
struct wsscreen_descr p9100_defscreendesc = {
"default",
0, 0,
NULL,
8, 16,
WSSCREEN_WSCOLORS,
};
const struct wsscreen_descr *_p9100_scrlist[] = {
&p9100_defscreendesc,
/* XXX other formats, graphics screen? */
};
struct wsscreen_list p9100_screenlist = {
sizeof(_p9100_scrlist) / sizeof(struct wsscreen_descr *), _p9100_scrlist
};
/* autoconfiguration driver */
static int p9100_sbus_match(struct device *, struct cfdata *, void *);
static void p9100_sbus_attach(struct device *, struct device *, void *);
static void p9100unblank(struct device *);
static void p9100_shutdown(void *);
CFATTACH_DECL(pnozz, sizeof(struct p9100_softc),
p9100_sbus_match, p9100_sbus_attach, NULL, NULL);
extern struct cfdriver pnozz_cd;
static dev_type_open(p9100open);
static dev_type_ioctl(p9100ioctl);
static dev_type_mmap(p9100mmap);
const struct cdevsw pnozz_cdevsw = {
p9100open, nullclose, noread, nowrite, p9100ioctl,
nostop, notty, nopoll, p9100mmap, nokqfilter,
};
/* frame buffer generic driver */
static struct fbdriver p9100fbdriver = {
p9100unblank, p9100open, nullclose, p9100ioctl, nopoll,
p9100mmap, nokqfilter
};
static void p9100loadcmap(struct p9100_softc *, int, int);
static void p9100_set_video(struct p9100_softc *, int);
static int p9100_get_video(struct p9100_softc *);
static uint32_t p9100_ctl_read_4(struct p9100_softc *, bus_size_t);
static void p9100_ctl_write_4(struct p9100_softc *, bus_size_t, uint32_t);
static uint8_t p9100_ramdac_read(struct p9100_softc *, bus_size_t);
static void p9100_ramdac_write(struct p9100_softc *, bus_size_t, uint8_t);
static uint8_t p9100_ramdac_read_ctl(struct p9100_softc *, int);
static void p9100_ramdac_write_ctl(struct p9100_softc *, int, uint8_t);
static void p9100_init_engine(struct p9100_softc *);
#if NWSDISPLAY > 0
static void p9100_sync(struct p9100_softc *);
static void p9100_bitblt(void *, int, int, int, int, int, int, uint32_t);
static void p9100_rectfill(void *, int, int, int, int, uint32_t);
static void p9100_clearscreen(struct p9100_softc *);
static void p9100_setup_mono(struct p9100_softc *, int, int, int, int,
uint32_t, uint32_t);
static void p9100_feed_line(struct p9100_softc *, int, uint8_t *);
static void p9100_set_color_reg(struct p9100_softc *, int, int32_t);
static void p9100_copycols(void *, int, int, int, int);
static void p9100_erasecols(void *, int, int, int, long);
static void p9100_copyrows(void *, int, int, int);
static void p9100_eraserows(void *, int, int, long);
/*static int p9100_mapchar(void *, int, u_int *);*/
static void p9100_putchar(void *, int, int, u_int, long);
static void p9100_cursor(void *, int, int, int);
static int p9100_allocattr(void *, int, int, int, long *);
/*static void p9100_scroll(void *, void *, int);*/
static int p9100_putcmap(struct p9100_softc *, struct wsdisplay_cmap *);
static int p9100_getcmap(struct p9100_softc *, struct wsdisplay_cmap *);
static int p9100_ioctl(void *, void *, u_long, void *, int, struct lwp *);
static paddr_t p9100_mmap(void *, void *, off_t, int);
/*static int p9100_load_font(void *, void *, struct wsdisplay_font *);*/
static void p9100_init_screen(void *, struct vcons_screen *, int,
long *);
#endif
static void p9100_init_cursor(struct p9100_softc *);
static void p9100_set_fbcursor(struct p9100_softc *);
static void p9100_setcursorcmap(struct p9100_softc *);
static void p9100_loadcursor(struct p9100_softc *);
static int p9100_intr(void *);
/* power management stuff */
static void p9100_power_hook(int, void *);
static void p9100_set_extvga(void *, int);
#if NWSDISPLAY > 0
struct wsdisplay_accessops p9100_accessops = {
p9100_ioctl,
p9100_mmap,
NULL, /* vcons_alloc_screen */
NULL, /* vcons_free_screen */
NULL, /* vcons_show_screen */
NULL, /* load_font */
NULL, /* polls */
NULL, /* scroll */
};
#endif
#define PNOZZ_LATCH(sc, off) if(sc->sc_last_offset == (off & 0xffffff80)) { \
sc->sc_junk = bus_space_read_4(sc->sc_bustag, sc->sc_fb_memh, \
off); \
sc->sc_last_offset = off & 0xffffff80; }
/*
* Match a p9100.
*/
static int
p9100_sbus_match(struct device *parent, struct cfdata *cf, void *aux)
{
struct sbus_attach_args *sa = aux;
return (strcmp("p9100", sa->sa_name) == 0);
}
/*
* Attach a display. We need to notice if it is the console, too.
*/
static void
p9100_sbus_attach(struct device *parent, struct device *self, void *args)
{
struct p9100_softc *sc = device_private(self);
struct sbus_attach_args *sa = args;
struct fbdevice *fb = &sc->sc_fb;
int isconsole;
int node;
int i, j;
uint8_t ver;
#if NWSDISPLAY > 0
struct wsemuldisplaydev_attach_args aa;
struct rasops_info *ri;
unsigned long defattr;
#endif
sc->sc_last_offset = 0xffffffff;
/* Remember cookies for p9100_mmap() */
sc->sc_bustag = sa->sa_bustag;
sc->sc_ctl_paddr = sbus_bus_addr(sa->sa_bustag,
sa->sa_reg[0].oa_space, sa->sa_reg[0].oa_base);
sc->sc_ctl_psize = 0x8000;/*(bus_size_t)sa->sa_reg[0].oa_size;*/
sc->sc_cmd_paddr = sbus_bus_addr(sa->sa_bustag,
sa->sa_reg[1].oa_space, sa->sa_reg[1].oa_base);
sc->sc_cmd_psize = (bus_size_t)sa->sa_reg[1].oa_size;
sc->sc_fb_paddr = sbus_bus_addr(sa->sa_bustag,
sa->sa_reg[2].oa_space, sa->sa_reg[2].oa_base);
sc->sc_fb_psize = (bus_size_t)sa->sa_reg[2].oa_size;
fb->fb_driver = &p9100fbdriver;
fb->fb_device = &sc->sc_dev;
fb->fb_flags = device_cfdata(&sc->sc_dev)->cf_flags & FB_USERMASK;
#ifdef PNOZZ_EMUL_CG3
fb->fb_type.fb_type = FBTYPE_SUN3COLOR;
#else
fb->fb_type.fb_type = FBTYPE_P9100;
#endif
fb->fb_pixels = NULL;
sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
node = sa->sa_node;
isconsole = fb_is_console(node);
if (!isconsole) {
aprint_normal("\n");
aprint_error_dev(self, "fatal error: PROM didn't configure device\n");
return;
}
/*
* When the ROM has mapped in a p9100 display, the address
* maps only the video RAM, so in any case we have to map the
* registers ourselves. We only need the video RAM if we are
* going to print characters via rconsole.
*/
if (sbus_bus_map(sc->sc_bustag,
sa->sa_reg[0].oa_space,
sa->sa_reg[0].oa_base,
/*
* XXX for some reason the SBus resources don't cover
* all registers, so we just map what we need
*/
/*sc->sc_ctl_psize*/ 0x8000,
/*BUS_SPACE_MAP_LINEAR*/0, &sc->sc_ctl_memh) != 0) {
aprint_error_dev(self, "cannot map control registers\n");
return;
}
if (sa->sa_npromvaddrs != 0)
fb->fb_pixels = (void *)sa->sa_promvaddrs[0];
if (fb->fb_pixels == NULL) {
if (sbus_bus_map(sc->sc_bustag,
sa->sa_reg[2].oa_space,
sa->sa_reg[2].oa_base,
sc->sc_fb_psize,
BUS_SPACE_MAP_LINEAR, &sc->sc_fb_memh) != 0) {
aprint_error_dev(self, "cannot map framebuffer\n");
return;
}
fb->fb_pixels = (char *)sc->sc_fb_memh;
} else {
sc->sc_fb_memh = (bus_space_handle_t) fb->fb_pixels;
}
i = p9100_ctl_read_4(sc, 0x0004);
switch ((i >> 26) & 7) {
case 5: fb->fb_type.fb_depth = 32; break;
case 7: fb->fb_type.fb_depth = 24; break;
case 3: fb->fb_type.fb_depth = 16; break;
case 2: fb->fb_type.fb_depth = 8; break;
default: {
panic("pnozz: can't determine screen depth (0x%02x)", i);
}
}
sc->sc_depth = (fb->fb_type.fb_depth >> 3);
/* XXX for some reason I get a kernel trap with this */
sc->sc_width = prom_getpropint(node, "width", 800);
sc->sc_height = prom_getpropint(node, "height", 600);
sc->sc_stride = prom_getpropint(node, "linebytes", sc->sc_width *
(fb->fb_type.fb_depth >> 3));
/* check the RAMDAC */
ver = p9100_ramdac_read_ctl(sc, DAC_VERSION);
p9100_init_engine(sc);
fb_setsize_obp(fb, fb->fb_type.fb_depth, sc->sc_width, sc->sc_height,
node);
sbus_establish(&sc->sc_sd, &sc->sc_dev);
bus_intr_establish(sc->sc_bustag, sa->sa_pri, IPL_BIO,
p9100_intr, sc);
fb->fb_type.fb_size = fb->fb_type.fb_height * fb->fb_linebytes;
printf(": rev %d / %x, %dx%d, depth %d mem %x",
(i & 7), ver, fb->fb_type.fb_width, fb->fb_type.fb_height,
fb->fb_type.fb_depth, (unsigned int)sc->sc_fb_psize);
fb->fb_type.fb_cmsize = prom_getpropint(node, "cmsize", 256);
if ((1 << fb->fb_type.fb_depth) != fb->fb_type.fb_cmsize)
printf(", %d entry colormap", fb->fb_type.fb_cmsize);
/* Initialize the default color map. */
/*bt_initcmap(&sc->sc_cmap, 256);*/
j = 0;
for (i = 0; i < 256; i++) {
sc->sc_cmap.cm_map[i][0] = rasops_cmap[j];
j++;
sc->sc_cmap.cm_map[i][1] = rasops_cmap[j];
j++;
sc->sc_cmap.cm_map[i][2] = rasops_cmap[j];
j++;
}
p9100loadcmap(sc, 0, 256);
/* make sure we are not blanked */
if (isconsole)
p9100_set_video(sc, 1);
if (shutdownhook_establish(p9100_shutdown, sc) == NULL) {
panic("%s: could not establish shutdown hook",
device_xname(&sc->sc_dev));
}
if (isconsole) {
printf(" (console)\n");
#ifdef RASTERCONSOLE
/*p9100loadcmap(sc, 255, 1);*/
fbrcons_init(fb);
#endif
} else
printf("\n");
#if NWSDISPLAY > 0
wsfont_init();
vcons_init(&sc->vd, sc, &p9100_defscreendesc, &p9100_accessops);
sc->vd.init_screen = p9100_init_screen;
vcons_init_screen(&sc->vd, &p9100_console_screen, 1, &defattr);
p9100_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
sc->sc_bg = (defattr >> 16) & 0xff;
p9100_clearscreen(sc);
ri = &p9100_console_screen.scr_ri;
p9100_defscreendesc.nrows = ri->ri_rows;
p9100_defscreendesc.ncols = ri->ri_cols;
p9100_defscreendesc.textops = &ri->ri_ops;
p9100_defscreendesc.capabilities = ri->ri_caps;
if(isconsole) {
wsdisplay_cnattach(&p9100_defscreendesc, ri, 0, 0, defattr);
}
aa.console = isconsole;
aa.scrdata = &p9100_screenlist;
aa.accessops = &p9100_accessops;
aa.accesscookie = &sc->vd;
config_found(self, &aa, wsemuldisplaydevprint);
#endif
/* cursor sprite handling */
p9100_init_cursor(sc);
/* attach the fb */
fb_attach(fb, isconsole);
/* register with power management */
sc->sc_video = 1;
sc->sc_powerstate = PWR_RESUME;
powerhook_establish(device_xname(&sc->sc_dev), p9100_power_hook, sc);
#if NTCTRL > 0
/* register callback for external monitor status change */
tadpole_register_callback(p9100_set_extvga, sc);
#endif
}
static void
p9100_shutdown(arg)
void *arg;
{
struct p9100_softc *sc = arg;
#ifdef RASTERCONSOLE
sc->sc_cmap.cm_map[0][0] = 0xff;
sc->sc_cmap.cm_map[0][1] = 0xff;
sc->sc_cmap.cm_map[0][2] = 0xff;
sc->sc_cmap.cm_map[1][0] = 0;
sc->sc_cmap.cm_map[1][1] = 0;
sc->sc_cmap.cm_map[1][2] = 0x00;
p9100loadcmap(sc, 0, 2);
sc->sc_cmap.cm_map[255][0] = 0;
sc->sc_cmap.cm_map[255][1] = 0;
sc->sc_cmap.cm_map[255][2] = 0;
p9100loadcmap(sc, 255, 1);
#endif
p9100_set_video(sc, 1);
}
int
p9100open(dev_t dev, int flags, int mode, struct lwp *l)
{
int unit = minor(dev);
if (device_lookup(&pnozz_cd, unit) == NULL)
return (ENXIO);
return (0);
}
int
p9100ioctl(dev_t dev, u_long cmd, void *data, int flags, struct lwp *l)
{
struct p9100_softc *sc = device_lookup_private(&pnozz_cd, minor(dev));
struct fbgattr *fba;
int error, v;
switch (cmd) {
case FBIOGTYPE:
*(struct fbtype *)data = sc->sc_fb.fb_type;
break;
case FBIOGATTR:
fba = (struct fbgattr *)data;
fba->real_type = sc->sc_fb.fb_type.fb_type;
fba->owner = 0; /* XXX ??? */
fba->fbtype = sc->sc_fb.fb_type;
fba->sattr.flags = 0;
fba->sattr.emu_type = sc->sc_fb.fb_type.fb_type;
fba->sattr.dev_specific[0] = -1;
fba->emu_types[0] = sc->sc_fb.fb_type.fb_type;
fba->emu_types[1] = -1;
break;
case FBIOGETCMAP:
#define p ((struct fbcmap *)data)
return (bt_getcmap(p, &sc->sc_cmap, 256, 1));
case FBIOPUTCMAP:
/* copy to software map */
error = bt_putcmap(p, &sc->sc_cmap, 256, 1);
if (error)
return (error);
/* now blast them into the chip */
/* XXX should use retrace interrupt */
p9100loadcmap(sc, p->index, p->count);
#undef p
break;
case FBIOGVIDEO:
*(int *)data = p9100_get_video(sc);
break;
case FBIOSVIDEO:
p9100_set_video(sc, *(int *)data);
break;
/* these are for both FBIOSCURSOR and FBIOGCURSOR */
#define p ((struct fbcursor *)data)
#define pc (&sc->sc_cursor)
case FBIOGCURSOR:
p->set = FB_CUR_SETALL; /* close enough, anyway */
p->enable = pc->pc_enable;
p->pos = pc->pc_pos;
p->hot = pc->pc_hot;
p->size = pc->pc_size;
if (p->image != NULL) {
error = copyout(pc->pc_bits, p->image, 0x200);
if (error)
return error;
error = copyout(&pc->pc_bits[0x80], p->mask, 0x200);
if (error)
return error;
}
p->cmap.index = 0;
p->cmap.count = 3;
if (p->cmap.red != NULL) {
copyout(pc->red, p->cmap.red, 3);
copyout(pc->green, p->cmap.green, 3);
copyout(pc->blue, p->cmap.blue, 3);
}
break;
case FBIOSCURSOR:
{
int count;
uint32_t image[0x80], mask[0x80];
uint8_t red[3], green[3], blue[3];
v = p->set;
if (v & FB_CUR_SETCMAP) {
error = copyin(p->cmap.red, red, 3);
error |= copyin(p->cmap.green, green, 3);
error |= copyin(p->cmap.blue, blue, 3);
if (error)
return error;
}
if (v & FB_CUR_SETSHAPE) {
if (p->size.x > 64 || p->size.y > 64)
return EINVAL;
memset(&mask, 0, 0x200);
memset(&image, 0, 0x200);
count = p->size.y * 8;
error = copyin(p->image, image, count);
if (error)
return error;
error = copyin(p->mask, mask, count);
if (error)
return error;
}
/* parameters are OK; do it */
if (v & (FB_CUR_SETCUR | FB_CUR_SETPOS | FB_CUR_SETHOT)) {
if (v & FB_CUR_SETCUR)
pc->pc_enable = p->enable;
if (v & FB_CUR_SETPOS)
pc->pc_pos = p->pos;
if (v & FB_CUR_SETHOT)
pc->pc_hot = p->hot;
p9100_set_fbcursor(sc);
}
if (v & FB_CUR_SETCMAP) {
memcpy(pc->red, red, 3);
memcpy(pc->green, green, 3);
memcpy(pc->blue, blue, 3);
p9100_setcursorcmap(sc);
}
if (v & FB_CUR_SETSHAPE) {
memcpy(pc->pc_bits, image, 0x200);
memcpy(&pc->pc_bits[0x80], mask, 0x200);
p9100_loadcursor(sc);
}
}
break;
#undef p
#undef cc
case FBIOGCURPOS:
*(struct fbcurpos *)data = sc->sc_cursor.pc_pos;
break;
case FBIOSCURPOS:
sc->sc_cursor.pc_pos = *(struct fbcurpos *)data;
p9100_set_fbcursor(sc);
break;
case FBIOGCURMAX:
/* max cursor size is 64x64 */
((struct fbcurpos *)data)->x = 64;
((struct fbcurpos *)data)->y = 64;
break;
default:
return (ENOTTY);
}
return (0);
}
static uint32_t
p9100_ctl_read_4(struct p9100_softc *sc, bus_size_t off)
{
PNOZZ_LATCH(sc, off);
return bus_space_read_4(sc->sc_bustag, sc->sc_ctl_memh, off);
}
static void
p9100_ctl_write_4(struct p9100_softc *sc, bus_size_t off, uint32_t v)
{
PNOZZ_LATCH(sc, off);
bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off, v);
}
/* initialize the drawing engine */
static void
p9100_init_engine(struct p9100_softc *sc)
{
/* reset clipping rectangles */
uint32_t rmax = ((sc->sc_width & 0x3fff) << 16) |
(sc->sc_height & 0x3fff);
sc->sc_last_offset = 0xffffffff;
p9100_ctl_write_4(sc, WINDOW_OFFSET, 0);
p9100_ctl_write_4(sc, WINDOW_MIN, 0);
p9100_ctl_write_4(sc, WINDOW_MAX, rmax);
p9100_ctl_write_4(sc, BYTE_CLIP_MIN, 0);
p9100_ctl_write_4(sc, BYTE_CLIP_MAX, rmax);
p9100_ctl_write_4(sc, DRAW_MODE, 0);
p9100_ctl_write_4(sc, PLANE_MASK, 0xffffffff);
p9100_ctl_write_4(sc, PATTERN0, 0xffffffff);
p9100_ctl_write_4(sc, PATTERN1, 0xffffffff);
p9100_ctl_write_4(sc, PATTERN2, 0xffffffff);
p9100_ctl_write_4(sc, PATTERN3, 0xffffffff);
}
/* we only need these in the wsdisplay case */
#if NWSDISPLAY > 0
/* wait until the engine is idle */
static void
p9100_sync(struct p9100_softc *sc)
{
while((p9100_ctl_read_4(sc, ENGINE_STATUS) &
(ENGINE_BUSY | BLITTER_BUSY)) != 0);
}
static void
p9100_set_color_reg(struct p9100_softc *sc, int reg, int32_t col)
{
uint32_t out;
switch(sc->sc_depth)
{
case 1: /* 8 bit */
out = (col << 8) | col;
out |= out << 16;
break;
case 2: /* 16 bit */
out = col | (col << 16);
break;
default:
out = col;
}
p9100_ctl_write_4(sc, reg, out);
}
/* screen-to-screen blit */
static void
p9100_bitblt(void *cookie, int xs, int ys, int xd, int yd, int wi,
int he, uint32_t rop)
{
struct p9100_softc *sc = cookie;
uint32_t src, dst, srcw, dstw;
sc->sc_last_offset = 0xffffffff;
src = ((xs & 0x3fff) << 16) | (ys & 0x3fff);
dst = ((xd & 0x3fff) << 16) | (yd & 0x3fff);
srcw = (((xs + wi - 1) & 0x3fff) << 16) | ((ys + he - 1) & 0x3fff);
dstw = (((xd + wi - 1) & 0x3fff) << 16) | ((yd + he - 1) & 0x3fff);
p9100_sync(sc);
p9100_ctl_write_4(sc, RASTER_OP, rop);
p9100_ctl_write_4(sc, ABS_XY0, src);
p9100_ctl_write_4(sc, ABS_XY1, srcw);
p9100_ctl_write_4(sc, ABS_XY2, dst);
p9100_ctl_write_4(sc, ABS_XY3, dstw);
sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_BLIT);
}
/* solid rectangle fill */
static void
p9100_rectfill(void *cookie, int xs, int ys, int wi, int he, uint32_t col)
{
struct p9100_softc *sc = cookie;
uint32_t src, srcw;
sc->sc_last_offset = 0xffffffff;
src = ((xs & 0x3fff) << 16) | (ys & 0x3fff);
srcw = (((xs + wi) & 0x3fff) << 16) | ((ys + he) & 0x3fff);
p9100_sync(sc);
p9100_set_color_reg(sc, FOREGROUND_COLOR, col);
p9100_set_color_reg(sc, BACKGROUND_COLOR, col);
p9100_ctl_write_4(sc, RASTER_OP, ROP_PAT);
p9100_ctl_write_4(sc, COORD_INDEX, 0);
p9100_ctl_write_4(sc, RECT_RTW_XY, src);
p9100_ctl_write_4(sc, RECT_RTW_XY, srcw);
sc->sc_junk = p9100_ctl_read_4(sc, COMMAND_QUAD);
}
/* setup for mono->colour expansion */
static void
p9100_setup_mono(struct p9100_softc *sc, int x, int y, int wi, int he,
uint32_t fg, uint32_t bg)
{
sc->sc_last_offset = 0xffffffff;
p9100_sync(sc);
/*
* this doesn't make any sense to me either, but for some reason the
* chip applies the foreground colour to 0 pixels
*/
p9100_set_color_reg(sc,FOREGROUND_COLOR,bg);
p9100_set_color_reg(sc,BACKGROUND_COLOR,fg);
p9100_ctl_write_4(sc, RASTER_OP, ROP_SRC);
p9100_ctl_write_4(sc, ABS_X0, x);
p9100_ctl_write_4(sc, ABS_XY1, (x << 16) | (y & 0xFFFFL));
p9100_ctl_write_4(sc, ABS_X2, (x + wi));
p9100_ctl_write_4(sc, ABS_Y3, he);
/* now feed the data into the chip */
sc->sc_mono_width = wi;
}
/* write monochrome data to the screen through the blitter */
static void
p9100_feed_line(struct p9100_softc *sc, int count, uint8_t *data)
{
int i;
uint32_t latch = 0, bork;
int shift = 24;
int to_go = sc->sc_mono_width;
PNOZZ_LATCH(sc, PIXEL_1);
for (i = 0; i < count; i++) {
bork = data[i];
latch |= (bork << shift);
if (shift == 0) {
/* check how many bits are significant */
if (to_go > 31) {
bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh,
(PIXEL_1 + (31 << 2)), latch);
/*p9100_ctl_write_4(sc, (PIXEL_1 +
(31 << 2)), latch);*/
to_go -= 32;
} else
{
bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh,
(PIXEL_1 + ((to_go - 1) << 2)), latch);
/*p9100_ctl_write_4(sc, (PIXEL_1 +
((to_go - 1) << 2)), latch);*/
to_go = 0;
}
latch = 0;
shift = 24;
} else
shift -= 8;
}
if (shift != 24)
p9100_ctl_write_4(sc, (PIXEL_1 + ((to_go - 1) << 2)), latch);
}
static void
p9100_clearscreen(struct p9100_softc *sc)
{
p9100_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height, sc->sc_bg);
}
#endif /* NWSDISPLAY > 0 */
static uint8_t
p9100_ramdac_read(struct p9100_softc *sc, bus_size_t off)
{
sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
return ((bus_space_read_4(sc->sc_bustag,
sc->sc_ctl_memh, off) >> 16) & 0xff);
}
static void
p9100_ramdac_write(struct p9100_softc *sc, bus_size_t off, uint8_t v)
{
sc->sc_junk = p9100_ctl_read_4(sc, PWRUP_CNFG);
bus_space_write_4(sc->sc_bustag, sc->sc_ctl_memh, off,
((uint32_t)v) << 16);
}
static uint8_t
p9100_ramdac_read_ctl(struct p9100_softc *sc, int off)
{
p9100_ramdac_write(sc, DAC_INDX_LO, off & 0xff);
p9100_ramdac_write(sc, DAC_INDX_HI, (off & 0xff00) >> 8);
return p9100_ramdac_read(sc, DAC_INDX_DATA);
}
static void
p9100_ramdac_write_ctl(struct p9100_softc *sc, int off, uint8_t val)
{
p9100_ramdac_write(sc, DAC_INDX_LO, off & 0xff);
p9100_ramdac_write(sc, DAC_INDX_HI, (off & 0xff00) >> 8);
p9100_ramdac_write(sc, DAC_INDX_DATA, val);
}
/*
* Undo the effect of an FBIOSVIDEO that turns the video off.
*/
static void
p9100unblank(struct device *dev)
{
struct p9100_softc *sc = device_private(dev);
p9100_set_video((struct p9100_softc *)dev, 1);
/*
* Check if we're in terminal mode. If not force the console screen
* to front so we can see ddb, panic messages and so on
*/
if (sc->sc_mode != WSDISPLAYIO_MODE_EMUL) {
sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
if (sc->vd.active != &p9100_console_screen) {
SCREEN_INVISIBLE(sc->vd.active);
sc->vd.active = &p9100_console_screen;
SCREEN_VISIBLE(&p9100_console_screen);
}
vcons_redraw_screen(&p9100_console_screen);
}
}
static void
p9100_set_video(struct p9100_softc *sc, int enable)
{
u_int32_t v = p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1);
if (enable)
v |= VIDEO_ENABLED;
else
v &= ~VIDEO_ENABLED;
p9100_ctl_write_4(sc, SCRN_RPNT_CTL_1, v);
#if NTCTRL > 0
/* Turn On/Off the TFT if we know how.
*/
tadpole_set_video(enable);
#endif
}
static int
p9100_get_video(struct p9100_softc *sc)
{
return (p9100_ctl_read_4(sc, SCRN_RPNT_CTL_1) & VIDEO_ENABLED) != 0;
}
static void
p9100_power_hook(int why, void *cookie)
{
struct p9100_softc *sc = cookie;
if (why == sc->sc_powerstate)
return;
switch(why)
{
case PWR_SUSPEND:
case PWR_STANDBY:
sc->sc_video = p9100_get_video(sc);
p9100_set_video(sc, 0);
sc->sc_powerstate = why;
break;
case PWR_RESUME:
p9100_set_video(sc, sc->sc_video);
sc->sc_powerstate = why;
break;
}
}
/*
* Load a subset of the current (new) colormap into the IBM RAMDAC.
*/
static void
p9100loadcmap(struct p9100_softc *sc, int start, int ncolors)
{
int i;
sc->sc_last_offset = 0xffffffff;
p9100_ramdac_write(sc, DAC_CMAP_WRIDX, start);
for (i=0;i<ncolors;i++) {
p9100_ramdac_write(sc, DAC_CMAP_DATA,
sc->sc_cmap.cm_map[i + start][0]);
p9100_ramdac_write(sc, DAC_CMAP_DATA,
sc->sc_cmap.cm_map[i + start][1]);
p9100_ramdac_write(sc, DAC_CMAP_DATA,
sc->sc_cmap.cm_map[i + start][2]);
}
}
/*
* Return the address that would map the given device at the given
* offset, allowing for the given protection, or return -1 for error.
*/
static paddr_t
p9100mmap(dev_t dev, off_t off, int prot)
{
struct p9100_softc *sc = device_lookup_private(&pnozz_cd, minor(dev));
if (off & PGOFSET)
panic("p9100mmap");
if (off < 0)
return (-1);
#ifdef PNOZZ_EMUL_CG3
#define CG3_MMAP_OFFSET 0x04000000
/* Make Xsun think we are a CG3 (SUN3COLOR)
*/
if (off >= CG3_MMAP_OFFSET && off < CG3_MMAP_OFFSET + sc->sc_fb_psize) {
off -= CG3_MMAP_OFFSET;
return (bus_space_mmap(sc->sc_bustag,
sc->sc_fb_paddr,
off,
prot,
BUS_SPACE_MAP_LINEAR));
}
#endif
if (off >= sc->sc_fb_psize + sc->sc_ctl_psize + sc->sc_cmd_psize)
return (-1);
if (off < sc->sc_fb_psize) {
return (bus_space_mmap(sc->sc_bustag,
sc->sc_fb_paddr,
off,
prot,
BUS_SPACE_MAP_LINEAR));
}
off -= sc->sc_fb_psize;
if (off < sc->sc_ctl_psize) {
return (bus_space_mmap(sc->sc_bustag,
sc->sc_ctl_paddr,
off,
prot,
BUS_SPACE_MAP_LINEAR));
}
off -= sc->sc_ctl_psize;
return (bus_space_mmap(sc->sc_bustag,
sc->sc_cmd_paddr,
off,
prot,
BUS_SPACE_MAP_LINEAR));
}
/* wscons stuff */
#if NWSDISPLAY > 0
static void
p9100_cursor(void *cookie, int on, int row, int col)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct p9100_softc *sc = scr->scr_cookie;
int x, y, wi,he;
wi = ri->ri_font->fontwidth;
he = ri->ri_font->fontheight;
if (ri->ri_flg & RI_CURSOR) {
x = ri->ri_ccol * wi + ri->ri_xorigin;
y = ri->ri_crow * he + ri->ri_yorigin;
p9100_bitblt(sc, x, y, x, y, wi, he, ROP_SRC ^ 0xff);
ri->ri_flg &= ~RI_CURSOR;
}
ri->ri_crow = row;
ri->ri_ccol = col;
if (on)
{
x = ri->ri_ccol * wi + ri->ri_xorigin;
y = ri->ri_crow * he + ri->ri_yorigin;
p9100_bitblt(sc, x, y, x, y, wi, he, ROP_SRC ^ 0xff);
ri->ri_flg |= RI_CURSOR;
}
}
#if 0
static int
p9100_mapchar(void *cookie, int uni, u_int *index)
{
return 0;
}
#endif
static void
p9100_putchar(void *cookie, int row, int col, u_int c, long attr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct p9100_softc *sc = scr->scr_cookie;
int fg, bg, uc, i;
uint8_t *data;
int x, y, wi,he;
wi = ri->ri_font->fontwidth;
he = ri->ri_font->fontheight;
if (!CHAR_IN_FONT(c, ri->ri_font))
return;
bg = (u_char)ri->ri_devcmap[(attr >> 16) & 0xff];
fg = (u_char)ri->ri_devcmap[(attr >> 24) & 0xff];
x = ri->ri_xorigin + col * wi;
y = ri->ri_yorigin + row * he;
if (c == 0x20) {
p9100_rectfill(sc, x, y, wi, he, bg);
} else {
uc = c-ri->ri_font->firstchar;
data = (uint8_t *)ri->ri_font->data + uc *
ri->ri_fontscale;
p9100_setup_mono(sc, x, y, wi, 1, fg, bg);
for (i = 0; i < he; i++) {
p9100_feed_line(sc, ri->ri_font->stride,
data);
data += ri->ri_font->stride;
}
/*p9100_sync(sc);*/
}
}
/*
* wsdisplay_accessops
*/
int
p9100_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
struct lwp *l)
{
struct vcons_data *vd = v;
struct p9100_softc *sc = vd->cookie;
struct wsdisplay_fbinfo *wdf;
struct vcons_screen *ms = vd->active;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_SB_P9100;
return 0;
case FBIOGVIDEO:
case WSDISPLAYIO_GVIDEO:
*(int *)data = p9100_get_video(sc);
return 0;
case WSDISPLAYIO_SVIDEO:
case FBIOSVIDEO:
p9100_set_video(sc, *(int *)data);
return 0;
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
wdf->height = ms->scr_ri.ri_height;
wdf->width = ms->scr_ri.ri_width;
wdf->depth = ms->scr_ri.ri_depth;
wdf->cmsize = 256;
return 0;
case WSDISPLAYIO_GETCMAP:
return p9100_getcmap(sc, (struct wsdisplay_cmap *)data);
case WSDISPLAYIO_PUTCMAP:
return p9100_putcmap(sc, (struct wsdisplay_cmap *)data);
case WSDISPLAYIO_SMODE:
{
int new_mode = *(int*)data;
if (new_mode != sc->sc_mode)
{
sc->sc_mode = new_mode;
if (new_mode == WSDISPLAYIO_MODE_EMUL)
{
p9100_init_engine(sc);
p9100loadcmap(sc, 0, 256);
p9100_clearscreen(sc);
vcons_redraw_screen(ms);
}
}
}
}
return EPASSTHROUGH;
}
static paddr_t
p9100_mmap(void *v, void *vs, off_t offset, int prot)
{
struct vcons_data *vd = v;
struct p9100_softc *sc = vd->cookie;
paddr_t pa;
/* 'regular' framebuffer mmap()ing */
if (offset < sc->sc_fb_psize) {
pa = bus_space_mmap(sc->sc_bustag, sc->sc_fb_paddr + offset, 0,
prot, BUS_SPACE_MAP_LINEAR);
return pa;
}
if ((offset >= sc->sc_fb_paddr) && (offset < (sc->sc_fb_paddr +
sc->sc_fb_psize))) {
pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot,
BUS_SPACE_MAP_LINEAR);
return pa;
}
if ((offset >= sc->sc_ctl_paddr) && (offset < (sc->sc_ctl_paddr +
sc->sc_ctl_psize))) {
pa = bus_space_mmap(sc->sc_bustag, offset, 0, prot,
BUS_SPACE_MAP_LINEAR);
return pa;
}
return -1;
}
static void
p9100_init_screen(void *cookie, struct vcons_screen *scr,
int existing, long *defattr)
{
struct p9100_softc *sc = cookie;
struct rasops_info *ri = &scr->scr_ri;
ri->ri_depth = sc->sc_depth << 3;
ri->ri_width = sc->sc_width;
ri->ri_height = sc->sc_height;
ri->ri_stride = sc->sc_stride;
ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
ri->ri_bits = bus_space_vaddr(sc->sc_bustag, sc->sc_fb_memh);
#ifdef DEBUG_P9100
printf("addr: %08lx\n",(ulong)ri->ri_bits);
#endif
rasops_init(ri, sc->sc_height/8, sc->sc_width/8);
ri->ri_caps = WSSCREEN_WSCOLORS;
rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
sc->sc_width / ri->ri_font->fontwidth);
/* enable acceleration */
ri->ri_ops.cursor = p9100_cursor;
ri->ri_ops.copyrows = p9100_copyrows;
ri->ri_ops.eraserows = p9100_eraserows;
ri->ri_ops.copycols = p9100_copycols;
ri->ri_ops.erasecols = p9100_erasecols;
ri->ri_ops.putchar = p9100_putchar;
ri->ri_ops.allocattr = p9100_allocattr;
}
static int
p9100_putcmap(struct p9100_softc *sc, struct wsdisplay_cmap *cm)
{
u_int index = cm->index;
u_int count = cm->count;
int i, error;
u_char rbuf[256], gbuf[256], bbuf[256];
u_char *r, *g, *b;
if (cm->index >= 256 || cm->count > 256 ||
(cm->index + cm->count) > 256)
return EINVAL;
error = copyin(cm->red, &rbuf[index], count);
if (error)
return error;
error = copyin(cm->green, &gbuf[index], count);
if (error)
return error;
error = copyin(cm->blue, &bbuf[index], count);
if (error)
return error;
r = &rbuf[index];
g = &gbuf[index];
b = &bbuf[index];
for (i = 0; i < count; i++) {
sc->sc_cmap.cm_map[index][0] = *r;
sc->sc_cmap.cm_map[index][1] = *g;
sc->sc_cmap.cm_map[index][2] = *b;
index++;
r++, g++, b++;
}
p9100loadcmap(sc, 0, 256);
return 0;
}
static int
p9100_getcmap(struct p9100_softc *sc, struct wsdisplay_cmap *cm)
{
u_int index = cm->index;
u_int count = cm->count;
int error, i;
uint8_t red[256], green[256], blue[256];
if (index >= 255 || count > 256 || index + count > 256)
return EINVAL;
i = index;
while (i < (index + count)) {
red[i] = sc->sc_cmap.cm_map[i][0];
green[i] = sc->sc_cmap.cm_map[i][1];
blue[i] = sc->sc_cmap.cm_map[i][2];
i++;
}
error = copyout(&red[index], cm->red, count);
if (error)
return error;
error = copyout(&green[index], cm->green, count);
if (error)
return error;
error = copyout(&blue[index], cm->blue, count);
if (error)
return error;
return 0;
}
static void
p9100_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
int32_t xs, xd, y, width, height;
xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_font->fontwidth * ncols;
height = ri->ri_font->fontheight;
p9100_bitblt(scr->scr_cookie, xs, y, xd, y, width, height, ROP_SRC);
}
static void
p9100_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
int32_t x, y, width, height, bg;
x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_font->fontwidth * ncols;
height = ri->ri_font->fontheight;
bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
p9100_rectfill(scr->scr_cookie, x, y, width, height, bg);
}
static void
p9100_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
int32_t x, ys, yd, width, height;
x = ri->ri_xorigin;
ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
width = ri->ri_emuwidth;
height = ri->ri_font->fontheight * nrows;
p9100_bitblt(scr->scr_cookie, x, ys, x, yd, width, height, ROP_SRC);
}
static void
p9100_eraserows(void *cookie, int row, int nrows, long fillattr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
int32_t x, y, width, height, bg;
if ((row == 0) && (nrows == ri->ri_rows)) {
x = y = 0;
width = ri->ri_width;
height = ri->ri_height;
} else {
x = ri->ri_xorigin;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_emuwidth;
height = ri->ri_font->fontheight * nrows;
}
bg = (uint32_t)ri->ri_devcmap[(fillattr >> 16) & 0xff];
p9100_rectfill(scr->scr_cookie, x, y, width, height, bg);
}
static int
p9100_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
{
if ((fg == 0) && (bg == 0))
{
fg = WS_DEFAULT_FG;
bg = WS_DEFAULT_BG;
}
if (flags & WSATTR_REVERSE) {
*attrp = (bg & 0xff) << 24 | (fg & 0xff) << 16 |
(flags & 0xff) << 8;
} else
*attrp = (fg & 0xff) << 24 | (bg & 0xff) << 16 |
(flags & 0xff) << 8;
return 0;
}
#if 0
static int
p9100_load_font(void *v, void *cookie, struct wsdisplay_font *data)
{
return 0;
}
#endif
#endif /* NWSDISPLAY > 0 */
static int
p9100_intr(void *arg)
{
/*p9100_softc *sc=arg;
printf(".");*/
return 1;
}
static void
p9100_init_cursor(struct p9100_softc *sc)
{
memset(&sc->sc_cursor, 0, sizeof(struct pnozz_cursor));
sc->sc_cursor.pc_size.x = 64;
sc->sc_cursor.pc_size.y = 64;
}
static void
p9100_set_fbcursor(struct p9100_softc *sc)
{
#ifdef PNOZZ_PARANOID
int s;
s = splhigh(); /* just in case... */
#endif
sc->sc_last_offset = 0xffffffff;
/* set position and hotspot */
p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
p9100_ramdac_write(sc, DAC_INDX_HI, 0);
p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_CTL);
if (sc->sc_cursor.pc_enable) {
p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_X11 |
DAC_CURSOR_64);
} else
p9100_ramdac_write(sc, DAC_INDX_DATA, DAC_CURSOR_OFF);
/* next two registers - x low, high, y low, high */
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.x & 0xff);
p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.x >> 8) &
0xff);
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_pos.y & 0xff);
p9100_ramdac_write(sc, DAC_INDX_DATA, (sc->sc_cursor.pc_pos.y >> 8) &
0xff);
/* hotspot */
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.x & 0xff);
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.pc_hot.y & 0xff);
#ifdef PNOZZ_PARANOID
splx(s);
#endif
}
static void
p9100_setcursorcmap(struct p9100_softc *sc)
{
int i;
#ifdef PNOZZ_PARANOID
int s;
s = splhigh(); /* just in case... */
#endif
sc->sc_last_offset = 0xffffffff;
/* set cursor colours */
p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
p9100_ramdac_write(sc, DAC_INDX_HI, 0);
p9100_ramdac_write(sc, DAC_INDX_LO, DAC_CURSOR_COL_1);
for (i = 0; i < 3; i++) {
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.red[i]);
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.green[i]);
p9100_ramdac_write(sc, DAC_INDX_DATA, sc->sc_cursor.blue[i]);
}
#ifdef PNOZZ_PARANOID
splx(s);
#endif
}
static void
p9100_loadcursor(struct p9100_softc *sc)
{
uint32_t *image, *mask;
uint32_t bit, bbit, im, ma;
int i, j, k;
uint8_t latch1, latch2;
#ifdef PNOZZ_PARANOID
int s;
s = splhigh(); /* just in case... */
#endif
sc->sc_last_offset = 0xffffffff;
/* set cursor shape */
p9100_ramdac_write(sc, DAC_INDX_CTL, DAC_INDX_AUTOINCR);
p9100_ramdac_write(sc, DAC_INDX_HI, 1);
p9100_ramdac_write(sc, DAC_INDX_LO, 0);
image = sc->sc_cursor.pc_bits;
mask = &sc->sc_cursor.pc_bits[0x80];
for (i = 0; i < 0x80; i++) {
bit = 0x80000000;
im = image[i];
ma = mask[i];
for (k = 0; k < 4; k++) {
bbit = 0x1;
latch1 = 0;
for (j = 0; j < 4; j++) {
if (im & bit)
latch1 |= bbit;
bbit <<= 1;
if (ma & bit)
latch1 |= bbit;
bbit <<= 1;
bit >>= 1;
}
bbit = 0x1;
latch2 = 0;
for (j = 0; j < 4; j++) {
if (im & bit)
latch2 |= bbit;
bbit <<= 1;
if (ma & bit)
latch2 |= bbit;
bbit <<= 1;
bit >>= 1;
}
p9100_ramdac_write(sc, DAC_INDX_DATA, latch1);
p9100_ramdac_write(sc, DAC_INDX_DATA, latch2);
}
}
#ifdef DEBUG_CURSOR
printf("image:\n");
for (i=0;i<0x80;i+=2)
printf("%08x %08x\n", image[i], image[i+1]);
printf("mask:\n");
for (i=0;i<0x80;i+=2)
printf("%08x %08x\n", mask[i], mask[i+1]);
#endif
#ifdef PNOZZ_PARANOID
splx(s);
#endif
}
static void
p9100_set_extvga(void *cookie, int status)
{
struct p9100_softc *sc = cookie;
#ifdef PNOZZ_PARANOID
int s;
s = splhigh();
#endif
#ifdef DEBUG
printf("%s: external VGA %s\n", device_xname(&sc->sc_dev),
status ? "on" : "off");
#endif
sc->sc_last_offset = 0xffffffff;
if (status) {
p9100_ramdac_write_ctl(sc, DAC_POWER,
p9100_ramdac_read_ctl(sc, DAC_POWER) &
~DAC_POWER_IPWR_DISABLE);
} else {
p9100_ramdac_write_ctl(sc, DAC_POWER,
p9100_ramdac_read_ctl(sc, DAC_POWER) |
DAC_POWER_IPWR_DISABLE);
}
#ifdef PNOZZ_PARANOID
splx(s);
#endif
}