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NetBSD/sys/arch/alpha/tc/sfb.c

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/* $NetBSD: sfb.c,v 1.22 1999/01/11 21:54:22 drochner Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: sfb.c,v 1.22 1999/01/11 21:54:22 drochner Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/buf.h>
#include <sys/ioctl.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/conf.h>
#include <dev/tc/tcvar.h>
#include <machine/sfbreg.h>
#include <alpha/tc/sfbvar.h>
#include <alpha/tc/bt459reg.h>
#include <dev/rcons/raster.h>
#include <dev/wscons/wscons_raster.h>
#include <dev/wscons/wsdisplayvar.h>
#include <machine/fbio.h>
#include <machine/autoconf.h>
#include <machine/pte.h>
int sfbmatch __P((struct device *, struct cfdata *, void *));
void sfbattach __P((struct device *, struct device *, void *));
struct cfattach sfb_ca = {
sizeof(struct sfb_softc), sfbmatch, sfbattach,
};
void sfb_getdevconfig __P((tc_addr_t dense_addr, struct sfb_devconfig *dc));
struct sfb_devconfig sfb_console_dc;
tc_addr_t sfb_consaddr;
struct wsdisplay_emulops sfb_emulfuncs = {
rcons_cursor, /* could use hardware cursor; punt */
rcons_mapchar,
rcons_putchar,
rcons_copycols,
rcons_erasecols,
rcons_copyrows,
rcons_eraserows,
rcons_alloc_attr
};
struct wsscreen_descr sfb_stdscreen = {
"std",
0, 0, /* will be filled in -- XXX shouldn't, it's global */
&sfb_emulfuncs,
0, 0
};
const struct wsscreen_descr *_sfb_scrlist[] = {
&sfb_stdscreen,
/* XXX other formats, graphics screen? */
};
struct wsscreen_list sfb_screenlist = {
sizeof(_sfb_scrlist) / sizeof(struct wsscreen_descr *), _sfb_scrlist
};
int sfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
int sfbmmap __P((void *, off_t, int));
static int sfb_alloc_screen __P((void *, const struct wsscreen_descr *,
void **, int *, int *, long *));
static void sfb_free_screen __P((void *, void *));
static void sfb_show_screen __P((void *, void *));
void sfb_blank __P((struct sfb_devconfig *));
void sfb_unblank __P((struct sfb_devconfig *));
void sfb_put_cmap __P((struct sfb_devconfig *, struct fbcmap *));
void sfb_get_cmap __P((struct sfb_devconfig *, struct fbcmap *));
int sfb_set_curpos __P((struct sfb_devconfig *, struct fbcurpos *));
int sfb_get_curpos __P((struct sfb_devconfig *, struct fbcurpos *));
int sfb_get_curmax __P((struct sfb_devconfig *, struct fbcurpos *));
int sfb_set_cursor __P((struct sfb_devconfig *, struct fbcursor *));
int sfb_get_cursor __P((struct sfb_devconfig *, struct fbcursor *));
struct wsdisplay_accessops sfb_accessops = {
sfbioctl,
sfbmmap,
sfb_alloc_screen,
sfb_free_screen,
sfb_show_screen,
0 /* load_font */
};
int
sfbmatch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct tc_attach_args *ta = aux;
if (strncmp("PMAGB-BA", ta->ta_modname, TC_ROM_LLEN) != 0)
return (0);
return (10);
}
void
sfb_getdevconfig(dense_addr, dc)
tc_addr_t dense_addr;
struct sfb_devconfig *dc;
{
struct raster *rap;
struct rcons *rcp;
char *regp, *ramdacregp;
int i;
dc->dc_vaddr = dense_addr;
dc->dc_paddr = ALPHA_K0SEG_TO_PHYS(dc->dc_vaddr); /* XXX */
dc->dc_size = SFB_SIZE;
regp = (char *)dc->dc_vaddr + SFB_ASIC_OFFSET;
ramdacregp = (char *)dc->dc_vaddr + SFB_RAMDAC_OFFSET;
dc->dc_wid =
(*(volatile u_int32_t *)(regp + SFB_ASIC_VIDEO_HSETUP) & 0x1ff) * 4;
dc->dc_ht =
(*(volatile u_int32_t *)(regp + SFB_ASIC_VIDEO_VSETUP) & 0x7ff);
switch (*(volatile u_int32_t *)(regp + SFB_ASIC_DEEP)) {
case 0:
case 1: /* XXX by the book; wrong? */
dc->dc_depth = 8; /* 8 plane */
break;
case 2:
dc->dc_depth = 16; /* 16 plane */
break;
case 4:
dc->dc_depth = 32; /* 32 plane */
break;
default:
dc->dc_depth = 8; /* XXX can't happen? */
break;
}
dc->dc_rowbytes = dc->dc_wid * (dc->dc_depth / 8);
dc->dc_videobase = dc->dc_vaddr + SFB_FB_OFFSET +
((*(volatile u_int32_t *)(regp + SFB_ASIC_VIDEO_BASE)) *
4096 * (dc->dc_depth / 8));
(*(volatile u_int32_t *)(regp + SFB_ASIC_MODE)) = 0;
tc_wmb();
(*(volatile u_int32_t *)(regp + SFB_ASIC_VIDEO_VALID)) = 1;
tc_wmb();
/*
* Set all bits in the pixel mask, to enable writes to all pixels.
* It seems that the console firmware clears some of them
* under some circumstances, which causes cute vertical stripes.
*/
(*(volatile u_int32_t *)(regp + SFB_ASIC_PIXELMASK)) = 0xffffffff;
tc_wmb();
(*(volatile u_int32_t *)(regp + SFB_ASIC_PLANEMASK)) = 0xffffffff;
tc_wmb();
/* Initialize the RAMDAC/colormap */
/* start XXX XXX XXX */
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) = 0;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) = 0;
tc_wmb();
for (i = 0; i < 256; i++) {
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_CMAPDATA)) =
dc->dc_cmap_red[i] = i ? 0xff : 0;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_CMAPDATA)) =
dc->dc_cmap_green[i] = i ? 0xff : 0;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_CMAPDATA)) =
dc->dc_cmap_blue[i] = i ? 0xff : 0;
tc_wmb();
}
/* end XXX XXX XXX */
/* clear the screen */
for (i = 0; i < dc->dc_ht * dc->dc_rowbytes; i += sizeof(u_int32_t))
*(u_int32_t *)(dc->dc_videobase + i) = 0x00000000;
/* disable hardware cursor */
dc->dc_cursor_enable = 0;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCR;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCR >> 8;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) = 0x00;
tc_wmb();
/* initialize the cursor position */
dc->dc_curpos_x = 368;
dc->dc_curpos_y = 34;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CXLO;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CXLO >> 8;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_x;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_x >> 8;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_y;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_y >> 8;
tc_wmb();
/* initialize the cursor color */
dc->dc_cursor_red[0] = 0xff;
dc->dc_cursor_green[0] = 0xff;
dc->dc_cursor_blue[0] = 0xff;
dc->dc_cursor_red[1] = 0x00;
dc->dc_cursor_green[1] = 0x00;
dc->dc_cursor_blue[1] = 0x00;
dc->dc_cursor_red[2] = 0xff;
dc->dc_cursor_green[2] = 0xff;
dc->dc_cursor_blue[2] = 0xff;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCOLOR_1;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCOLOR_1 >> 8;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_red[0];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_green[0];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_blue[0];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCOLOR_2;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCOLOR_2 >> 8;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_red[1];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_green[1];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_blue[1];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCOLOR_3;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCOLOR_3 >> 8;
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_red[2];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_green[2];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_blue[2];
tc_wmb();
/* initialize the raster */
rap = &dc->dc_raster;
rap->width = dc->dc_wid;
rap->height = dc->dc_ht;
rap->depth = 8;
rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
rap->pixels = (u_int32_t *)dc->dc_videobase;
/* initialize the raster console blitter */
rcp = &dc->dc_rcons;
rcp->rc_sp = rap;
rcp->rc_crow = rcp->rc_ccol = -1;
rcp->rc_crowp = &rcp->rc_crow;
rcp->rc_ccolp = &rcp->rc_ccol;
rcons_init(rcp, 34, 80);
sfb_stdscreen.nrows = dc->dc_rcons.rc_maxrow;
sfb_stdscreen.ncols = dc->dc_rcons.rc_maxcol;
}
void
sfbattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct sfb_softc *sc = (struct sfb_softc *)self;
struct tc_attach_args *ta = aux;
struct wsemuldisplaydev_attach_args waa;
int console;
console = (ta->ta_addr == sfb_consaddr);
if (console) {
sc->sc_dc = &sfb_console_dc;
sc->nscreens = 1;
} else {
sc->sc_dc = (struct sfb_devconfig *)
malloc(sizeof(struct sfb_devconfig), M_DEVBUF, M_WAITOK);
sfb_getdevconfig(ta->ta_addr, sc->sc_dc);
}
if (sc->sc_dc->dc_vaddr == NULL) {
printf(": couldn't map memory space; punt!\n");
return;
}
printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
sc->sc_dc->dc_depth);
#if 0
x = (char *)ta->ta_addr + SFB_ASIC_OFFSET;
printf("%s: Video Base Address = 0x%x\n", self->dv_xname,
*(u_int32_t *)(x + SFB_ASIC_VIDEO_BASE));
printf("%s: Horizontal Setup = 0x%x\n", self->dv_xname,
*(u_int32_t *)(x + SFB_ASIC_VIDEO_HSETUP));
printf("%s: Vertical Setup = 0x%x\n", self->dv_xname,
*(u_int32_t *)(x + SFB_ASIC_VIDEO_VSETUP));
#endif
waa.console = console;
waa.scrdata = &sfb_screenlist;
waa.accessops = &sfb_accessops;
waa.accesscookie = sc;
config_found(self, &waa, wsemuldisplaydevprint);
}
int
sfbioctl(v, cmd, data, flag, p)
void *v;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct sfb_softc *sc = v;
struct sfb_devconfig *dc = sc->sc_dc;
switch (cmd) {
case FBIOGTYPE:
#define fbt ((struct fbtype *)data)
fbt->fb_type = FBTYPE_SFB;
fbt->fb_height = sc->sc_dc->dc_ht;
fbt->fb_width = sc->sc_dc->dc_wid;
fbt->fb_depth = sc->sc_dc->dc_depth;
fbt->fb_cmsize = 256; /* XXX ??? */
fbt->fb_size = sc->sc_dc->dc_size;
#undef fbt
return (0);
case FBIOPUTCMAP:
sfb_put_cmap(dc, (struct fbcmap *)data);
return (0);
case FBIOGETCMAP:
sfb_get_cmap(dc, (struct fbcmap *)data);
return (0);
case FBIOGATTR:
return (ENOTTY); /* XXX ? */
case FBIOSVIDEO:
if (*(int *)data == FBVIDEO_OFF)
sfb_blank(sc->sc_dc);
else
sfb_unblank(sc->sc_dc);
return (0);
case FBIOGVIDEO:
*(int *)data = dc->dc_blanked ? FBVIDEO_OFF : FBVIDEO_ON;
return (0);
case FBIOSCURSOR:
return sfb_set_cursor(dc, (struct fbcursor *)data);
case FBIOGCURSOR:
return sfb_get_cursor(dc, (struct fbcursor *)data);
case FBIOSCURPOS:
return sfb_set_curpos(dc, (struct fbcurpos *)data);
case FBIOGCURPOS:
return sfb_get_curpos(dc, (struct fbcurpos *)data);
case FBIOGCURMAX:
return sfb_get_curmax(dc, (struct fbcurpos *)data);
}
return (-1);
}
int
sfbmmap(v, offset, prot)
void *v;
off_t offset;
int prot;
{
struct sfb_softc *sc = v;
if (offset >= SFB_SIZE || offset < 0)
return (-1);
return alpha_btop(sc->sc_dc->dc_paddr + offset);
}
int
sfb_alloc_screen(v, type, cookiep, curxp, curyp, attrp)
void *v;
const struct wsscreen_descr *type;
void **cookiep;
int *curxp, *curyp;
long *attrp;
{
struct sfb_softc *sc = v;
long defattr;
if (sc->nscreens > 0)
return (ENOMEM);
*cookiep = &sc->sc_dc->dc_rcons; /* one and only for now */
*curxp = 0;
*curyp = 0;
rcons_alloc_attr(&sc->sc_dc->dc_rcons, 0, 0, 0, &defattr);
*attrp = defattr;
sc->nscreens++;
return (0);
}
void
sfb_free_screen(v, cookie)
void *v;
void *cookie;
{
struct sfb_softc *sc = v;
if (sc->sc_dc == &sfb_console_dc)
panic("sfb_free_screen: console");
sc->nscreens--;
}
void
sfb_show_screen(v, cookie)
void *v;
void *cookie;
{
}
int
sfb_cnattach(addr)
tc_addr_t addr;
{
struct sfb_devconfig *dcp = &sfb_console_dc;
long defattr;
sfb_getdevconfig(addr, dcp);
rcons_alloc_attr(&dcp->dc_rcons, 0, 0, 0, &defattr);
wsdisplay_cnattach(&sfb_stdscreen, &dcp->dc_rcons,
0, 0, defattr);
sfb_consaddr = addr;
return(0);
}
/*
* Functions to blank and unblank the display.
*/
void
sfb_blank(dc)
struct sfb_devconfig *dc;
{
char *regp = (char *)dc->dc_vaddr + SFB_ASIC_OFFSET;
if (!dc->dc_blanked) {
dc->dc_blanked = 1;
*(volatile u_int32_t *)(regp + SFB_ASIC_VIDEO_VALID) = 0;
tc_wmb();
}
}
void
sfb_unblank(dc)
struct sfb_devconfig *dc;
{
char *regp = (char *)dc->dc_vaddr + SFB_ASIC_OFFSET;
if (dc->dc_blanked) {
dc->dc_blanked = 0;
*(volatile u_int32_t *)(regp + SFB_ASIC_VIDEO_VALID) = 1;
tc_wmb();
}
}
void
sfb_put_cmap(dc, cmap)
struct sfb_devconfig *dc;
struct fbcmap *cmap;
{
char *ramdacregp;
int i;
int max_i;
ramdacregp = (char *)dc->dc_vaddr + SFB_RAMDAC_OFFSET;
if (cmap->index > 255) {
return;
}
max_i = cmap->index + cmap->count;
if (max_i > 256) {
max_i = 256;
}
for (i=cmap->index ; i<max_i ; i++) {
dc->dc_cmap_red[i] = cmap->red[i];
dc->dc_cmap_green[i] = cmap->green[i];
dc->dc_cmap_blue[i] = cmap->blue[i];
}
/* Initialize the RAMDAC/colormap */
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRLOW)) =
cmap->index;
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_ADDRHIGH)) = 0;
tc_wmb();
for (i=cmap->index ; i<max_i ; i++) {
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_CMAPDATA)) =
dc->dc_cmap_red[i];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_CMAPDATA)) =
dc->dc_cmap_green[i];
tc_wmb();
(*(volatile u_int32_t *)(ramdacregp + SFB_RAMDAC_CMAPDATA)) =
dc->dc_cmap_blue[i];
tc_wmb();
}
}
void
sfb_get_cmap(dc, cmap)
struct sfb_devconfig *dc;
struct fbcmap *cmap;
{
int i;
int max_i;
if (cmap->index > 255) {
return;
}
max_i = cmap->index + cmap->count;
if (max_i > 256) {
max_i = 256;
}
for (i = cmap->index; i < max_i; i++) {
cmap->red[i] = dc->dc_cmap_red[i];
cmap->green[i] = dc->dc_cmap_green[i];
cmap->blue[i] = dc->dc_cmap_blue[i];
}
}
int
sfb_set_curpos(dc, curpos)
struct sfb_devconfig *dc;
struct fbcurpos *curpos;
{
char *ramdacregp;
dc->dc_curpos_x = curpos->x + 368;
dc->dc_curpos_y = curpos->y + 34;
ramdacregp = (char *) dc->dc_vaddr + SFB_RAMDAC_OFFSET;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CXLO;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CXLO >> 8;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_x;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_x >> 8;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_y;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_curpos_y >> 8;
tc_wmb();
return 0;
}
int
sfb_get_curpos(dc, curpos)
struct sfb_devconfig *dc;
struct fbcurpos *curpos;
{
curpos->x = dc->dc_curpos_x - 368;
curpos->y = dc->dc_curpos_y - 34;
return 0;
}
int
sfb_get_curmax(dc, curpos)
struct sfb_devconfig *dc;
struct fbcurpos *curpos;
{
curpos->x = 1280;
curpos->y = 1024;
return 0;
}
int
sfb_set_cursor(dc, cursor)
struct sfb_devconfig *dc;
struct fbcursor *cursor;
{
unsigned char buf;
char *ramdacregp;
int result, i;
result = 0;
ramdacregp = (char *) dc->dc_vaddr + SFB_RAMDAC_OFFSET;
if (cursor->set & FB_CUR_SETCUR) {
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCR;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCR >> 8;
tc_wmb();
dc->dc_cursor_enable = cursor->enable;
if (cursor->enable == 0) {
(*(volatile u_int32_t *)
(ramdacregp + SFB_RAMDAC_REGDATA)) = 0x00;
} else {
(*(volatile u_int32_t *)
(ramdacregp + SFB_RAMDAC_REGDATA)) = 0xc0;
}
tc_wmb();
result |= 0;
}
if (cursor->set & FB_CUR_SETPOS) {
result |= sfb_set_curpos(dc, &cursor->pos);
}
if (cursor->set & FB_CUR_SETHOT) {
result |= sfb_set_curpos(dc, &cursor->pos);
}
if (cursor->set & FB_CUR_SETCMAP) {
for (i = 0; i < 3; i++) {
dc->dc_cursor_red[i] = cursor->cmap.red[i];
dc->dc_cursor_green[i] = cursor->cmap.green[i];
dc->dc_cursor_blue[i] = cursor->cmap.blue[i];
}
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCOLOR_1;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCOLOR_1 >> 8;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.red[0];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.green[0];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.blue[0];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCOLOR_2;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCOLOR_2 >> 8;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.red[1];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.green[1];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.blue[1];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CCOLOR_3;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CCOLOR_3 >> 8;
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.red[2];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.green[2];
tc_wmb();
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_REGDATA)) =
cursor->cmap.blue[2];
tc_wmb();
result |= 0;
}
if (cursor->set & FB_CUR_SETSHAPE) {
for (i = 0; i < 512; i++) {
buf = (cursor->image[i] & 0x01) |
((cursor->image[i] & 0x02) << 1) |
((cursor->image[i] & 0x04) << 2) |
((cursor->image[i] & 0x08) << 3);
dc->dc_cursor_bitmap[i + i] = buf;
buf = ((cursor->image[i] & 0x10) >> 4) |
((cursor->image[i] & 0x20) >> 3) |
((cursor->image[i] & 0x40) >> 2) |
((cursor->image[i] & 0x80) >> 1);
dc->dc_cursor_bitmap[i + i + 1] = buf;
}
for (i = 0; i < 512; i++) {
buf = ((cursor->mask[i] & 0x01) << 1) |
((cursor->mask[i] & 0x02) << 2) |
((cursor->mask[i] & 0x04) << 3) |
((cursor->mask[i] & 0x08) << 4);
dc->dc_cursor_bitmap[i + i] |= buf;
buf = ((cursor->mask[i] & 0x10) >> 3) |
((cursor->mask[i] & 0x20) >> 2) |
((cursor->mask[i] & 0x40) >> 1) |
(cursor->mask[i] & 0x80);
dc->dc_cursor_bitmap[i + i + 1] |= buf;
}
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRLOW)) =
BT459_REG_CRAM_BASE;
(*(volatile u_int32_t *) (ramdacregp + SFB_RAMDAC_ADDRHIGH)) =
BT459_REG_CRAM_BASE >> 8;
tc_wmb();
for (i = 0; i < 1024; i++) {
(*(volatile u_int32_t *)
(ramdacregp + SFB_RAMDAC_REGDATA)) =
dc->dc_cursor_bitmap[i];
tc_wmb();
}
result |= 0;
}
return result;
}
int
sfb_get_cursor(dc, cursor)
struct sfb_devconfig *dc;
struct fbcursor *cursor;
{
int result, i, j, k;
result = 0;
if (cursor->set & FB_CUR_SETCUR) {
cursor->enable = dc->dc_cursor_enable;
}
if (cursor->set & FB_CUR_SETPOS) {
result |= sfb_get_curpos(dc, &cursor->pos);
}
if (cursor->set & FB_CUR_SETHOT) {
result |= sfb_get_curpos(dc, &cursor->pos);
}
if (cursor->set & FB_CUR_SETCMAP) {
for (i = 0; i < 3; i++) {
cursor->cmap.red[i] = dc->dc_cursor_red[i];
cursor->cmap.green[i] = dc->dc_cursor_green[i];
cursor->cmap.blue[i] = dc->dc_cursor_blue[i];
}
}
if (cursor->set & FB_CUR_SETSHAPE) {
cursor->size.x = 64;
cursor->size.y = 64;
for (i = 0; i < 512; i++) {
j = i + i;
k = j + 1;
cursor->image[i] =
(dc->dc_cursor_bitmap[j] & 0x01) |
((dc->dc_cursor_bitmap[j] & 0x04) >> 1) |
((dc->dc_cursor_bitmap[j] & 0x10) >> 2) |
((dc->dc_cursor_bitmap[j] & 0x40) >> 3) |
((dc->dc_cursor_bitmap[k] & 0x01) << 4) |
((dc->dc_cursor_bitmap[k] & 0x04) << 3) |
((dc->dc_cursor_bitmap[k] & 0x10) << 2) |
((dc->dc_cursor_bitmap[k] & 0x40) << 1);
cursor->mask[i] =
((dc->dc_cursor_bitmap[j] & 0x02) >> 1) |
((dc->dc_cursor_bitmap[j] & 0x08) >> 2) |
((dc->dc_cursor_bitmap[j] & 0x20) >> 3) |
((dc->dc_cursor_bitmap[j] & 0x80) >> 4) |
((dc->dc_cursor_bitmap[k] & 0x02) << 3) |
((dc->dc_cursor_bitmap[k] & 0x08) << 2) |
((dc->dc_cursor_bitmap[k] & 0x20) << 1) |
(dc->dc_cursor_bitmap[k] & 0x80);
}
}
return result;
}
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