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NetBSD/sys/dev/tc/sfb.c
nisimura 2e93099aff Replace sfb_copycols() which can run better job in some degree. 
It still fails on certain conditions, thus is left commented out.
copycols() is done by a generic routine which works correctly.
2000-11-25 11:43:42 +00:00

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/* $NetBSD: sfb.c,v 1.39 2000/11/25 11:43:42 nisimura Exp $ */
/*
* Copyright (c) 1998, 1999 Tohru Nishimura. All rights reserved.
*
* 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 Tohru Nishimura
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: sfb.c,v 1.39 2000/11/25 11:43:42 nisimura 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 <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <dev/wsfont/wsfont.h>
#include <dev/tc/tcvar.h>
#include <dev/ic/bt459reg.h>
#include <dev/tc/sfbreg.h>
#include <uvm/uvm_extern.h>
#if defined(pmax)
#define machine_btop(x) mips_btop(x)
#define MACHINE_KSEG0_TO_PHYS(x) MIPS_KSEG1_TO_PHYS(x)
#endif
#if defined(alpha)
#define machine_btop(x) alpha_btop(x)
#define MACHINE_KSEG0_TO_PHYS(x) ALPHA_K0SEG_TO_PHYS(x)
#endif
/*
* N.B., Bt459 registers are 8bit width. Some of TC framebuffers have
* obscure register layout such as 2nd and 3rd Bt459 registers are
* adjacent each other in a word, i.e.,
* struct bt459triplet {
* struct {
* u_int8_t u0;
* u_int8_t u1;
* u_int8_t u2;
* unsigned :8;
* } bt_lo;
* struct {
*
* Although HX has single Bt459, 32bit R/W can be done w/o any trouble.
* struct bt459reg {
* u_int32_t bt_lo;
* u_int32_t bt_hi;
* u_int32_t bt_reg;
* u_int32_t bt_cmap;
* };
*
*/
/* Bt459 hardware registers */
#define bt_lo 0
#define bt_hi 1
#define bt_reg 2
#define bt_cmap 3
#define REG(base, index) *((u_int32_t *)(base) + (index))
#define SELECT(vdac, regno) do { \
REG(vdac, bt_lo) = ((regno) & 0x00ff); \
REG(vdac, bt_hi) = ((regno) & 0x0f00) >> 8; \
tc_wmb(); \
} while (0)
struct fb_devconfig {
vaddr_t dc_vaddr; /* memory space virtual base address */
paddr_t dc_paddr; /* memory space physical base address */
vsize_t dc_size; /* size of slot memory */
int dc_wid; /* width of frame buffer */
int dc_ht; /* height of frame buffer */
int dc_depth; /* depth, bits per pixel */
int dc_rowbytes; /* bytes in a FB scan line */
vaddr_t dc_videobase; /* base of flat frame buffer */
int dc_blanked; /* currently has video disabled */
struct rasops_info rinfo;
};
struct hwcmap256 {
#define CMAP_SIZE 256 /* 256 R/G/B entries */
u_int8_t r[CMAP_SIZE];
u_int8_t g[CMAP_SIZE];
u_int8_t b[CMAP_SIZE];
};
struct hwcursor64 {
struct wsdisplay_curpos cc_pos;
struct wsdisplay_curpos cc_hot;
struct wsdisplay_curpos cc_size;
struct wsdisplay_curpos cc_magic;
#define CURSOR_MAX_SIZE 64
u_int8_t cc_color[6];
u_int64_t cc_image[64 + 64];
};
struct sfb_softc {
struct device sc_dev;
struct fb_devconfig *sc_dc; /* device configuration */
struct hwcmap256 sc_cmap; /* software copy of colormap */
struct hwcursor64 sc_cursor; /* software copy of cursor */
int sc_curenb; /* cursor sprite enabled */
int sc_changed; /* need update of colormap */
#define DATA_ENB_CHANGED 0x01 /* cursor enable changed */
#define DATA_CURCMAP_CHANGED 0x02 /* cursor colormap changed */
#define DATA_CURSHAPE_CHANGED 0x04 /* cursor size, image, mask changed */
#define DATA_CMAP_CHANGED 0x08 /* colormap changed */
#define DATA_ALL_CHANGED 0x0f
int nscreens;
};
#define HX_MAGIC_X 368
#define HX_MAGIC_Y 38
static int sfbmatch __P((struct device *, struct cfdata *, void *));
static void sfbattach __P((struct device *, struct device *, void *));
const struct cfattach sfb_ca = {
sizeof(struct sfb_softc), sfbmatch, sfbattach,
};
static void sfb_getdevconfig __P((tc_addr_t, struct fb_devconfig *));
static struct fb_devconfig sfb_console_dc;
static tc_addr_t sfb_consaddr;
static void sfb_putchar __P((void *, int, int, u_int, long));
static void sfb_erasecols __P((void *, int, int, int, long));
static void sfb_eraserows __P((void *, int, int, long));
static void sfb_copyrows __P((void *, int, int, int));
#if 0
static void sfb_cursor __P((void *, int, int, int));
static void sfb_copycols __P((void *, int, int, int, int));
#endif
static struct wsscreen_descr sfb_stdscreen = {
"std", 0, 0,
0, /* textops */
0, 0,
0 /* capabilities */
};
static const struct wsscreen_descr *_sfb_scrlist[] = {
&sfb_stdscreen,
};
static const struct wsscreen_list sfb_screenlist = {
sizeof(_sfb_scrlist) / sizeof(struct wsscreen_descr *), _sfb_scrlist
};
static int sfbioctl __P((void *, u_long, caddr_t, int, struct proc *));
static paddr_t 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 int sfb_show_screen __P((void *, void *, int,
void (*) (void *, int, int), void *));
static const struct wsdisplay_accessops sfb_accessops = {
sfbioctl,
sfbmmap,
sfb_alloc_screen,
sfb_free_screen,
sfb_show_screen,
0 /* load_font */
};
int sfb_cnattach __P((tc_addr_t));
static int sfbintr __P((void *));
static void sfbinit __P((struct fb_devconfig *));
static int get_cmap __P((struct sfb_softc *, struct wsdisplay_cmap *));
static int set_cmap __P((struct sfb_softc *, struct wsdisplay_cmap *));
static int set_cursor __P((struct sfb_softc *, struct wsdisplay_cursor *));
static int get_cursor __P((struct sfb_softc *, struct wsdisplay_cursor *));
static void set_curpos __P((struct sfb_softc *, struct wsdisplay_curpos *));
static void bt459_set_curpos __P((struct sfb_softc *));
/*
* Compose 2 bit/pixel cursor image. Bit order will be reversed.
* M M M M I I I I M I M I M I M I
* [ before ] [ after ]
* 3 2 1 0 3 2 1 0 0 0 1 1 2 2 3 3
* 7 6 5 4 7 6 5 4 4 4 5 5 6 6 7 7
*/
static const u_int8_t shuffle[256] = {
0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54,
0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55,
0x80, 0xc0, 0x90, 0xd0, 0x84, 0xc4, 0x94, 0xd4,
0x81, 0xc1, 0x91, 0xd1, 0x85, 0xc5, 0x95, 0xd5,
0x20, 0x60, 0x30, 0x70, 0x24, 0x64, 0x34, 0x74,
0x21, 0x61, 0x31, 0x71, 0x25, 0x65, 0x35, 0x75,
0xa0, 0xe0, 0xb0, 0xf0, 0xa4, 0xe4, 0xb4, 0xf4,
0xa1, 0xe1, 0xb1, 0xf1, 0xa5, 0xe5, 0xb5, 0xf5,
0x08, 0x48, 0x18, 0x58, 0x0c, 0x4c, 0x1c, 0x5c,
0x09, 0x49, 0x19, 0x59, 0x0d, 0x4d, 0x1d, 0x5d,
0x88, 0xc8, 0x98, 0xd8, 0x8c, 0xcc, 0x9c, 0xdc,
0x89, 0xc9, 0x99, 0xd9, 0x8d, 0xcd, 0x9d, 0xdd,
0x28, 0x68, 0x38, 0x78, 0x2c, 0x6c, 0x3c, 0x7c,
0x29, 0x69, 0x39, 0x79, 0x2d, 0x6d, 0x3d, 0x7d,
0xa8, 0xe8, 0xb8, 0xf8, 0xac, 0xec, 0xbc, 0xfc,
0xa9, 0xe9, 0xb9, 0xf9, 0xad, 0xed, 0xbd, 0xfd,
0x02, 0x42, 0x12, 0x52, 0x06, 0x46, 0x16, 0x56,
0x03, 0x43, 0x13, 0x53, 0x07, 0x47, 0x17, 0x57,
0x82, 0xc2, 0x92, 0xd2, 0x86, 0xc6, 0x96, 0xd6,
0x83, 0xc3, 0x93, 0xd3, 0x87, 0xc7, 0x97, 0xd7,
0x22, 0x62, 0x32, 0x72, 0x26, 0x66, 0x36, 0x76,
0x23, 0x63, 0x33, 0x73, 0x27, 0x67, 0x37, 0x77,
0xa2, 0xe2, 0xb2, 0xf2, 0xa6, 0xe6, 0xb6, 0xf6,
0xa3, 0xe3, 0xb3, 0xf3, 0xa7, 0xe7, 0xb7, 0xf7,
0x0a, 0x4a, 0x1a, 0x5a, 0x0e, 0x4e, 0x1e, 0x5e,
0x0b, 0x4b, 0x1b, 0x5b, 0x0f, 0x4f, 0x1f, 0x5f,
0x8a, 0xca, 0x9a, 0xda, 0x8e, 0xce, 0x9e, 0xde,
0x8b, 0xcb, 0x9b, 0xdb, 0x8f, 0xcf, 0x9f, 0xdf,
0x2a, 0x6a, 0x3a, 0x7a, 0x2e, 0x6e, 0x3e, 0x7e,
0x2b, 0x6b, 0x3b, 0x7b, 0x2f, 0x6f, 0x3f, 0x7f,
0xaa, 0xea, 0xba, 0xfa, 0xae, 0xee, 0xbe, 0xfe,
0xab, 0xeb, 0xbb, 0xfb, 0xaf, 0xef, 0xbf, 0xff,
};
static 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 (1);
}
static void
sfb_getdevconfig(dense_addr, dc)
tc_addr_t dense_addr;
struct fb_devconfig *dc;
{
caddr_t sfbasic;
int i, hsetup, vsetup, vbase, cookie;
dc->dc_vaddr = dense_addr;
dc->dc_paddr = MACHINE_KSEG0_TO_PHYS(dc->dc_vaddr);
sfbasic = (caddr_t)(dc->dc_vaddr + SFB_ASIC_OFFSET);
hsetup = *(u_int32_t *)(sfbasic + SFB_ASIC_VIDEO_HSETUP);
vsetup = *(u_int32_t *)(sfbasic + SFB_ASIC_VIDEO_VSETUP);
*(u_int32_t *)(sfbasic + SFB_ASIC_VIDEO_BASE) = vbase = 1;
dc->dc_wid = (hsetup & 0x1ff) << 2;
dc->dc_ht = (vsetup & 0x7ff);
dc->dc_depth = 8;
dc->dc_rowbytes = dc->dc_wid * (dc->dc_depth / 8);
dc->dc_videobase = dc->dc_vaddr + SFB_FB_OFFSET + vbase * 4096;
dc->dc_blanked = 0;
/* initialize colormap and cursor resource */
sfbinit(dc);
/* 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) = 0x0;
dc->rinfo.ri_flg = RI_CENTER;
dc->rinfo.ri_depth = dc->dc_depth;
dc->rinfo.ri_bits = (void *)dc->dc_videobase;
dc->rinfo.ri_width = dc->dc_wid;
dc->rinfo.ri_height = dc->dc_ht;
dc->rinfo.ri_stride = dc->dc_rowbytes;
dc->rinfo.ri_hw = sfbasic;
wsfont_init();
/* prefer 8 pixel wide font */
if ((cookie = wsfont_find(NULL, 8, 0, 0)) <= 0)
cookie = wsfont_find(NULL, 0, 0, 0);
if (cookie <= 0) {
printf("sfb: font table is empty\n");
return;
}
/* the accelerated sfb_putchar() needs LSbit left */
if (wsfont_lock(cookie, &dc->rinfo.ri_font,
WSDISPLAY_FONTORDER_R2L, WSDISPLAY_FONTORDER_L2R) <= 0) {
printf("sfb: couldn't lock font\n");
return;
}
dc->rinfo.ri_wsfcookie = cookie;
rasops_init(&dc->rinfo, 34, 80);
/* add our accelerated functions */
dc->rinfo.ri_ops.putchar = sfb_putchar;
dc->rinfo.ri_ops.erasecols = sfb_erasecols;
dc->rinfo.ri_ops.copyrows = sfb_copyrows;
dc->rinfo.ri_ops.eraserows = sfb_eraserows;
/* XXX shouldn't be global */
sfb_stdscreen.nrows = dc->rinfo.ri_rows;
sfb_stdscreen.ncols = dc->rinfo.ri_cols;
sfb_stdscreen.textops = &dc->rinfo.ri_ops;
sfb_stdscreen.capabilities = dc->rinfo.ri_caps;
/* our accelerated putchar can't underline */
sfb_stdscreen.capabilities &= ~WSSCREEN_UNDERLINE;
}
static 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;
struct hwcmap256 *cm;
const u_int8_t *p;
caddr_t sfbasic;
int console, index;
console = (ta->ta_addr == sfb_consaddr);
if (console) {
sc->sc_dc = &sfb_console_dc;
sc->nscreens = 1;
}
else {
sc->sc_dc = (struct fb_devconfig *)
malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK);
memset(sc->sc_dc, 0, sizeof(struct fb_devconfig));
sfb_getdevconfig(ta->ta_addr, sc->sc_dc);
}
printf(": %d x %d, %dbpp\n", sc->sc_dc->dc_wid, sc->sc_dc->dc_ht,
sc->sc_dc->dc_depth);
cm = &sc->sc_cmap;
p = rasops_cmap;
for (index = 0; index < CMAP_SIZE; index++, p += 3) {
cm->r[index] = p[0];
cm->g[index] = p[1];
cm->b[index] = p[2];
}
sc->sc_cursor.cc_magic.x = HX_MAGIC_X;
sc->sc_cursor.cc_magic.y = HX_MAGIC_Y;
tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, sfbintr, sc);
sfbasic = (caddr_t)(sc->sc_dc->dc_vaddr + SFB_ASIC_OFFSET);
*(u_int32_t *)(sfbasic + SFB_ASIC_CLEAR_INTR) = 0;
*(u_int32_t *)(sfbasic + SFB_ASIC_ENABLE_INTR) = 1;
waa.console = console;
waa.scrdata = &sfb_screenlist;
waa.accessops = &sfb_accessops;
waa.accesscookie = sc;
config_found(self, &waa, wsemuldisplaydevprint);
}
static 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 fb_devconfig *dc = sc->sc_dc;
int turnoff;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_SFB;
return (0);
case WSDISPLAYIO_GINFO:
#define wsd_fbip ((struct wsdisplay_fbinfo *)data)
wsd_fbip->height = sc->sc_dc->dc_ht;
wsd_fbip->width = sc->sc_dc->dc_wid;
wsd_fbip->depth = sc->sc_dc->dc_depth;
wsd_fbip->cmsize = CMAP_SIZE;
#undef fbt
return (0);
case WSDISPLAYIO_GETCMAP:
return get_cmap(sc, (struct wsdisplay_cmap *)data);
case WSDISPLAYIO_PUTCMAP:
return set_cmap(sc, (struct wsdisplay_cmap *)data);
case WSDISPLAYIO_SVIDEO:
turnoff = *(int *)data == WSDISPLAYIO_VIDEO_OFF;
if ((dc->dc_blanked == 0) ^ turnoff) {
dc->dc_blanked = turnoff;
#if 0 /* XXX later XXX */
To turn off, assign value 0 in ASIC_VIDEO_VALID register.
#endif /* XXX XXX XXX */
}
return (0);
case WSDISPLAYIO_GVIDEO:
*(u_int *)data = dc->dc_blanked ?
WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
return (0);
case WSDISPLAYIO_GCURPOS:
*(struct wsdisplay_curpos *)data = sc->sc_cursor.cc_pos;
return (0);
case WSDISPLAYIO_SCURPOS:
set_curpos(sc, (struct wsdisplay_curpos *)data);
bt459_set_curpos(sc);
return (0);
case WSDISPLAYIO_GCURMAX:
((struct wsdisplay_curpos *)data)->x =
((struct wsdisplay_curpos *)data)->y = CURSOR_MAX_SIZE;
return (0);
case WSDISPLAYIO_GCURSOR:
return get_cursor(sc, (struct wsdisplay_cursor *)data);
case WSDISPLAYIO_SCURSOR:
return set_cursor(sc, (struct wsdisplay_cursor *)data);
}
return ENOTTY;
}
static paddr_t
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 machine_btop(sc->sc_dc->dc_paddr + offset);
}
static 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->rinfo; /* one and only for now */
*curxp = 0;
*curyp = 0;
(*sc->sc_dc->rinfo.ri_ops.alloc_attr)(&sc->sc_dc->rinfo, 0, 0, 0, &defattr);
*attrp = defattr;
sc->nscreens++;
return (0);
}
static 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--;
}
static int
sfb_show_screen(v, cookie, waitok, cb, cbarg)
void *v;
void *cookie;
int waitok;
void (*cb) __P((void *, int, int));
void *cbarg;
{
return (0);
}
/* EXPORT */ int
sfb_cnattach(addr)
tc_addr_t addr;
{
struct fb_devconfig *dcp = &sfb_console_dc;
long defattr;
sfb_getdevconfig(addr, dcp);
(*dcp->rinfo.ri_ops.alloc_attr)(&dcp->rinfo, 0, 0, 0, &defattr);
wsdisplay_cnattach(&sfb_stdscreen, &dcp->rinfo, 0, 0, defattr);
sfb_consaddr = addr;
return(0);
}
static int
sfbintr(arg)
void *arg;
{
struct sfb_softc *sc = arg;
caddr_t sfbbase = (caddr_t)sc->sc_dc->dc_vaddr;
caddr_t sfbasic = sfbbase + SFB_ASIC_OFFSET;
caddr_t vdac;
int v;
*(u_int32_t *)(sfbasic + SFB_ASIC_CLEAR_INTR) = 0;
/* *(u_int32_t *)(sfbasic + SFB_ASIC_ENABLE_INTR) = 1; */
if (sc->sc_changed == 0)
return (1);
vdac = (void *)(sfbbase + SFB_RAMDAC_OFFSET);
v = sc->sc_changed;
sc->sc_changed = 0;
if (v & DATA_ENB_CHANGED) {
SELECT(vdac, BT459_IREG_CCR);
REG(vdac, bt_reg) = (sc->sc_curenb) ? 0xc0 : 0x00;
}
if (v & DATA_CURCMAP_CHANGED) {
u_int8_t *cp = sc->sc_cursor.cc_color;
SELECT(vdac, BT459_IREG_CCOLOR_2);
REG(vdac, bt_reg) = cp[1]; tc_wmb();
REG(vdac, bt_reg) = cp[3]; tc_wmb();
REG(vdac, bt_reg) = cp[5]; tc_wmb();
REG(vdac, bt_reg) = cp[0]; tc_wmb();
REG(vdac, bt_reg) = cp[2]; tc_wmb();
REG(vdac, bt_reg) = cp[4]; tc_wmb();
}
if (v & DATA_CURSHAPE_CHANGED) {
u_int8_t *ip, *mp, img, msk;
u_int8_t u;
int bcnt;
ip = (u_int8_t *)sc->sc_cursor.cc_image;
mp = (u_int8_t *)(sc->sc_cursor.cc_image + CURSOR_MAX_SIZE);
bcnt = 0;
SELECT(vdac, BT459_IREG_CRAM_BASE+0);
/* 64 pixel scan line is consisted with 16 byte cursor ram */
while (bcnt < sc->sc_cursor.cc_size.y * 16) {
/* pad right half 32 pixel when smaller than 33 */
if ((bcnt & 0x8) && sc->sc_cursor.cc_size.x < 33) {
REG(vdac, bt_reg) = 0; tc_wmb();
REG(vdac, bt_reg) = 0; tc_wmb();
}
else {
img = *ip++;
msk = *mp++;
img &= msk; /* cookie off image */
u = (msk & 0x0f) << 4 | (img & 0x0f);
REG(vdac, bt_reg) = shuffle[u]; tc_wmb();
u = (msk & 0xf0) | (img & 0xf0) >> 4;
REG(vdac, bt_reg) = shuffle[u]; tc_wmb();
}
bcnt += 2;
}
/* pad unoccupied scan lines */
while (bcnt < CURSOR_MAX_SIZE * 16) {
REG(vdac, bt_reg) = 0; tc_wmb();
REG(vdac, bt_reg) = 0; tc_wmb();
bcnt += 2;
}
}
if (v & DATA_CMAP_CHANGED) {
struct hwcmap256 *cm = &sc->sc_cmap;
int index;
SELECT(vdac, 0);
for (index = 0; index < CMAP_SIZE; index++) {
REG(vdac, bt_cmap) = cm->r[index]; tc_wmb();
REG(vdac, bt_cmap) = cm->g[index]; tc_wmb();
REG(vdac, bt_cmap) = cm->b[index]; tc_wmb();
}
}
return (1);
}
static void
sfbinit(dc)
struct fb_devconfig *dc;
{
caddr_t sfbasic = (caddr_t)(dc->dc_vaddr + SFB_ASIC_OFFSET);
caddr_t vdac = (void *)(dc->dc_vaddr + SFB_RAMDAC_OFFSET);
const u_int8_t *p;
int i;
*(u_int32_t *)(sfbasic + SFB_ASIC_PLANEMASK) = ~0;
*(u_int32_t *)(sfbasic + SFB_ASIC_PIXELMASK) = ~0;
*(u_int32_t *)(sfbasic + SFB_ASIC_MODE) = 0; /* MODE_SIMPLE */
*(u_int32_t *)(sfbasic + SFB_ASIC_ROP) = 3; /* ROP_COPY */
*(u_int32_t *)(sfbasic + 0x180000) = 0; /* Bt459 reset */
SELECT(vdac, BT459_IREG_COMMAND_0);
REG(vdac, bt_reg) = 0x40; /* CMD0 */ tc_wmb();
REG(vdac, bt_reg) = 0x0; /* CMD1 */ tc_wmb();
REG(vdac, bt_reg) = 0xc0; /* CMD2 */ tc_wmb();
REG(vdac, bt_reg) = 0xff; /* PRM */ tc_wmb();
REG(vdac, bt_reg) = 0; /* 205 */ tc_wmb();
REG(vdac, bt_reg) = 0x0; /* PBM */ tc_wmb();
REG(vdac, bt_reg) = 0; /* 207 */ tc_wmb();
REG(vdac, bt_reg) = 0x0; /* ORM */ tc_wmb();
REG(vdac, bt_reg) = 0x0; /* OBM */ tc_wmb();
REG(vdac, bt_reg) = 0x0; /* ILV */ tc_wmb();
REG(vdac, bt_reg) = 0x0; /* TEST */ tc_wmb();
SELECT(vdac, BT459_IREG_CCR);
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
REG(vdac, bt_reg) = 0x0; tc_wmb();
/* build sane colormap */
SELECT(vdac, 0);
p = rasops_cmap;
for (i = 0; i < CMAP_SIZE; i++, p += 3) {
REG(vdac, bt_cmap) = p[0]; tc_wmb();
REG(vdac, bt_cmap) = p[1]; tc_wmb();
REG(vdac, bt_cmap) = p[2]; tc_wmb();
}
/* clear out cursor image */
SELECT(vdac, BT459_IREG_CRAM_BASE);
for (i = 0; i < 1024; i++)
REG(vdac, bt_reg) = 0xff; tc_wmb();
/*
* 2 bit/pixel cursor. Assign MSB for cursor mask and LSB for
* cursor image. CCOLOR_2 for mask color, while CCOLOR_3 for
* image color. CCOLOR_1 will be never used.
*/
SELECT(vdac, BT459_IREG_CCOLOR_1);
REG(vdac, bt_reg) = 0xff; tc_wmb();
REG(vdac, bt_reg) = 0xff; tc_wmb();
REG(vdac, bt_reg) = 0xff; tc_wmb();
REG(vdac, bt_reg) = 0; tc_wmb();
REG(vdac, bt_reg) = 0; tc_wmb();
REG(vdac, bt_reg) = 0; tc_wmb();
REG(vdac, bt_reg) = 0xff; tc_wmb();
REG(vdac, bt_reg) = 0xff; tc_wmb();
REG(vdac, bt_reg) = 0xff; tc_wmb();
}
static int
get_cmap(sc, p)
struct sfb_softc *sc;
struct wsdisplay_cmap *p;
{
u_int index = p->index, count = p->count;
if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE)
return (EINVAL);
if (!uvm_useracc(p->red, count, B_WRITE) ||
!uvm_useracc(p->green, count, B_WRITE) ||
!uvm_useracc(p->blue, count, B_WRITE))
return (EFAULT);
copyout(&sc->sc_cmap.r[index], p->red, count);
copyout(&sc->sc_cmap.g[index], p->green, count);
copyout(&sc->sc_cmap.b[index], p->blue, count);
return (0);
}
static int
set_cmap(sc, p)
struct sfb_softc *sc;
struct wsdisplay_cmap *p;
{
u_int index = p->index, count = p->count;
if (index >= CMAP_SIZE || (index + count) > CMAP_SIZE)
return (EINVAL);
if (!uvm_useracc(p->red, count, B_READ) ||
!uvm_useracc(p->green, count, B_READ) ||
!uvm_useracc(p->blue, count, B_READ))
return (EFAULT);
copyin(p->red, &sc->sc_cmap.r[index], count);
copyin(p->green, &sc->sc_cmap.g[index], count);
copyin(p->blue, &sc->sc_cmap.b[index], count);
sc->sc_changed |= DATA_CMAP_CHANGED;
return (0);
}
static int
set_cursor(sc, p)
struct sfb_softc *sc;
struct wsdisplay_cursor *p;
{
#define cc (&sc->sc_cursor)
int v, index, count, icount;
v = p->which;
if (v & WSDISPLAY_CURSOR_DOCMAP) {
index = p->cmap.index;
count = p->cmap.count;
if (index >= 2 || (index + count) > 2)
return (EINVAL);
if (!uvm_useracc(p->cmap.red, count, B_READ) ||
!uvm_useracc(p->cmap.green, count, B_READ) ||
!uvm_useracc(p->cmap.blue, count, B_READ))
return (EFAULT);
}
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
if (p->size.x > CURSOR_MAX_SIZE || p->size.y > CURSOR_MAX_SIZE)
return (EINVAL);
icount = ((p->size.x < 33) ? 4 : 8) * p->size.y;
if (!uvm_useracc(p->image, icount, B_READ) ||
!uvm_useracc(p->mask, icount, B_READ))
return (EFAULT);
}
if (v & (WSDISPLAY_CURSOR_DOPOS | WSDISPLAY_CURSOR_DOCUR)) {
if (v & WSDISPLAY_CURSOR_DOCUR)
cc->cc_hot = p->hot;
if (v & WSDISPLAY_CURSOR_DOPOS)
set_curpos(sc, &p->pos);
bt459_set_curpos(sc);
}
sc->sc_changed = 0;
if (v & WSDISPLAY_CURSOR_DOCUR) {
sc->sc_curenb = p->enable;
sc->sc_changed |= DATA_ENB_CHANGED;
}
if (v & WSDISPLAY_CURSOR_DOCMAP) {
copyin(p->cmap.red, &cc->cc_color[index], count);
copyin(p->cmap.green, &cc->cc_color[index + 2], count);
copyin(p->cmap.blue, &cc->cc_color[index + 4], count);
sc->sc_changed |= DATA_CURCMAP_CHANGED;
}
if (v & WSDISPLAY_CURSOR_DOSHAPE) {
cc->cc_size = p->size;
memset(cc->cc_image, 0, sizeof cc->cc_image);
copyin(p->image, cc->cc_image, icount);
copyin(p->mask, cc->cc_image+CURSOR_MAX_SIZE, icount);
sc->sc_changed |= DATA_CURSHAPE_CHANGED;
}
return (0);
#undef cc
}
static int
get_cursor(sc, p)
struct sfb_softc *sc;
struct wsdisplay_cursor *p;
{
return (ENOTTY); /* XXX */
}
static void
set_curpos(sc, curpos)
struct sfb_softc *sc;
struct wsdisplay_curpos *curpos;
{
struct fb_devconfig *dc = sc->sc_dc;
int x = curpos->x, y = curpos->y;
if (y < 0)
y = 0;
else if (y > dc->dc_ht)
y = dc->dc_ht;
if (x < 0)
x = 0;
else if (x > dc->dc_wid)
x = dc->dc_wid;
sc->sc_cursor.cc_pos.x = x;
sc->sc_cursor.cc_pos.y = y;
}
static void
bt459_set_curpos(sc)
struct sfb_softc *sc;
{
caddr_t vdac = (caddr_t)sc->sc_dc->dc_vaddr + SFB_RAMDAC_OFFSET;
int x, y, s;
x = sc->sc_cursor.cc_pos.x - sc->sc_cursor.cc_hot.x;
y = sc->sc_cursor.cc_pos.y - sc->sc_cursor.cc_hot.y;
x += sc->sc_cursor.cc_magic.x;
y += sc->sc_cursor.cc_magic.y;
s = spltty();
SELECT(vdac, BT459_IREG_CURSOR_X_LOW);
REG(vdac, bt_reg) = x; tc_wmb();
REG(vdac, bt_reg) = x >> 8; tc_wmb();
REG(vdac, bt_reg) = y; tc_wmb();
REG(vdac, bt_reg) = y >> 8; tc_wmb();
splx(s);
}
#define MODE_SIMPLE 0
#define MODE_OPAQUESTIPPLE 1
#define MODE_OPAQUELINE 2
#define MODE_TRANSPARENTSTIPPLE 5
#define MODE_TRANSPARENTLINE 6
#define MODE_COPY 7
/* parameters for 8bpp configuration */
#define SFBALIGNMASK 0x7
#define SFBSTIPPLEALL1 0xffffffff
#define SFBSTIPPLEBITS 32
#define SFBSTIPPLEBITMASK 0x1f
#define SFBSTIPPLEBYTESDONE 32
#define SFBCOPYALL1 0xffffffff
#define SFBCOPYBITS 32
#define SFBCOPYBITMASK 0x1f
#define SFBCOPYBYTESDONE 32
#if defined(pmax)
#define WRITE_MB()
#define BUMP(p) (p)
#endif
#if defined(alpha)
#define WRITE_MB() tc_wmb()
#define BUMP(p) ((p) = (caddr_t)(((long)(p) + 128) & ~0x400))
#endif
#define SFBMODE(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_MODE) = (v))
#define SFBROP(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_ROP) = (v))
#define SFBPLANEMASK(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_PLANEMASK) = (v))
#define SFBPIXELMASK(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_PIXELMASK) = (v))
#define SFBADDRESS(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_ADDRESS) = (v))
#define SFBSTART(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_START) = (v))
#define SFBPIXELSHIFT(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_PIXELSHIFT) = (v))
#define SFBFG(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_FG) = (v))
#define SFBBG(p, v) \
(*(u_int32_t *)(BUMP(p) + SFB_ASIC_BG) = (v))
#if 0
/*
* Paint (or unpaint) the cursor.
*/
static void
sfb_cursor(id, on, row, col)
void *id;
int on, row, col;
{
caddr_t sfb, p;
int scanspan, height, width, align, x, y;
u_int32_t lmask, rmask;
int fg, bg;
x = ri->ri_ccol * ri->ri_font->fontwidth;
y = ri->ri_crow * ri->ri_font->fontheight;
scanspan = ri->ri_stride;
height = ri->ri_font->fontheight;
p = ri->ri_bits + y * scanspan + x;
align = (long)p & SFBALIGNMASK;
p -= align;
width = ri->ri_font->fontwidth + align;
lmask = SFBSTIPPLEALL1 << align;
rmask = SFBSTIPPLEALL1 >> (-width & SFBSTIPPLEBITMASK);
sfb = ri->ri_hw;
SFBMODE(sfb, MODE_TRANSPARENTSTIPPLE);
SFBPLANEMASK(sfb, ~0);
SFBROP(sfb, 6); /* ROP_XOR */
rasops_unpack_attr(attr, &fg, &bg, 0);
fg ^= bg; /* (fg ^ bg) to swap fg/bg */
fg |= fg << 8;
fg |= fg << 16;
SFBFG(sfb, fg);
if (width <= SFBSTIPPLEBITS) {
lmask = lmask & rmask;
while (height > 0) {
SFBADDRESS(sfb, (long)p);
SFBSTART(sfb, lmask);
p += scanspan;
height--;
}
}
#if supportlargerfonts
else {
caddr_t q = p;
while (height > 0) {
*(u_int32_t *)p = lmask;
WRITE_MB();
width -= 2 * SFBSTIPPLEBITS;
while (width > 0) {
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = SFBSTIPPLEALL1;
WRITE_MB();
width -= SFBSTIPPLEBITS;
}
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = rmask;
WRITE_MB();
p = (q += scanspan);
width = w + align;
height--;
}
}
#endif
SFBMODE(sfb, MODE_SIMPLE);
SFBROP(sfb, 3); /* ROP_COPY */
}
#endif
/*
* Actually write a string to the frame buffer.
*/
static void
sfb_putchar(id, row, col, uc, attr)
void *id;
int row, col;
u_int uc;
long attr;
{
struct rasops_info *ri = id;
caddr_t sfb, p;
int scanspan, height, width, align, x, y;
u_int32_t lmask, rmask, glyph;
u_int8_t *g;
int fg, bg;
x = col * ri->ri_font->fontwidth;
y = row * ri->ri_font->fontheight;
scanspan = ri->ri_stride;
height = ri->ri_font->fontheight;
uc -= ri->ri_font->firstchar;
g = (u_char *)ri->ri_font->data + uc * ri->ri_fontscale;
p = ri->ri_bits + y * scanspan + x;
align = (long)p & SFBALIGNMASK;
p -= align;
width = ri->ri_font->fontwidth + align;
lmask = SFBSTIPPLEALL1 << align;
rmask = SFBSTIPPLEALL1 >> (-width & SFBSTIPPLEBITMASK);
sfb = ri->ri_hw;
SFBMODE(sfb, MODE_OPAQUESTIPPLE);
SFBPLANEMASK(sfb, ~0);
rasops_unpack_attr(attr, &fg, &bg, 0);
fg |= fg << 8;
fg |= fg << 16;
bg |= bg << 8;
bg |= bg << 16;
SFBFG(sfb, fg);
SFBBG(sfb, bg);
if (1 /* width <= SFBSTIPPLEBITS */) {
lmask = lmask & rmask;
while (height > 0) {
glyph = *(u_int16_t *)g; /* XXX */
SFBPIXELMASK(sfb, lmask);
SFBADDRESS(sfb, (long)p);
SFBSTART(sfb, glyph << align);
p += scanspan;
g += 2; /* XXX */
height--;
}
}
#if supportlargerfonts
else {
/*
* It's hard to draw oversized glyphs whose width is
* larger than 24 pixel.
*/
caddr_t q = p;
while (height > 0) {
/* XXX */
/* XXX */
/* XXX */
p = (q += scanspan);
g += 2; /* XXX */
height--;
}
}
#endif
SFBMODE(sfb, MODE_SIMPLE);
SFBPIXELMASK(sfb, ~0); /* entire pixel */
}
#if 0
/*
* Copy characters in a line.
*/
static void
sfb_copycols(id, row, srccol, dstcol, ncols)
void *id;
int row, srccol, dstcol, ncols;
{
struct rasops_info *ri = id;
caddr_t sp, dp, basex, sfb;
int scanspan, height, width, aligns, alignd, shift, w, y;
u_int32_t lmaskd, rmaskd;
scanspan = ri->ri_stride;
y = row * ri->ri_font->fontheight;
basex = ri->ri_bits + y * scanspan;
height = ri->ri_font->fontheight;
w = ri->ri_font->fontwidth * ncols;
sp = basex + ri->ri_font->fontwidth * srccol;
aligns = (long)sp & SFBALIGNMASK;
dp = basex + ri->ri_font->fontwidth * dstcol;
alignd = (long)dp & SFBALIGNMASK;
sfb = ri->ri_hw;
SFBMODE(sfb, MODE_COPY);
SFBPLANEMASK(sfb, ~0);
/* small enough to fit in a single 32bit */
if ((aligns + w) <= SFBCOPYBITS && (alignd + w) <= SFBCOPYBITS) {
SFBPIXELSHIFT(sfb, alignd - aligns);
lmaskd = SFBCOPYALL1 << alignd;
rmaskd = SFBCOPYALL1 >> (-(alignd + w) & SFBCOPYBITMASK);
lmaskd = lmaskd & rmaskd;
sp -= aligns;
dp -= alignd;
while (height > 0) {
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = lmaskd; WRITE_MB();
sp += scanspan;
dp += scanspan;
height--;
}
}
/* copy forward (left-to-right) */
else if (dstcol < srccol || srccol + ncols < dstcol) {
caddr_t sq, dq;
shift = alignd - aligns;
if (shift < 0) {
shift = 8 + shift; /* enforce right rotate */
alignd += 8; /* bearing on left edge */
}
width = alignd + w;
lmaskd = SFBCOPYALL1 << alignd;
rmaskd = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
sp -= aligns;
dp -= alignd;
SFBPIXELSHIFT(sfb, shift);
w = width;
sq = sp;
dq = dp;
while (height > 0) {
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = lmaskd; WRITE_MB();
width -= 2 * SFBCOPYBITS;
while (width > 0) {
sp += SFBCOPYBYTESDONE;
dp += SFBCOPYBYTESDONE;
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = SFBCOPYALL1; WRITE_MB();
width -= SFBCOPYBITS;
}
sp += SFBCOPYBYTESDONE;
dp += SFBCOPYBYTESDONE;
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = rmaskd; WRITE_MB();
sp = (sq += scanspan);
dp = (dq += scanspan);
width = w;
height--;
}
}
/* copy backward (right-to-left) */
else {
caddr_t sq, dq;
shift = alignd - aligns;
if (shift > 0) {
shift = shift - 8; /* force left rotate */
alignd += 24;
}
width = alignd + w;
lmaskd = SFBCOPYALL1 << alignd;
rmaskd = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
sp -= aligns;
dp -= alignd;
SFBPIXELSHIFT(sfb, shift);
w = width;
sq = sp += (((aligns + w) - 1) & ~31);
dq = dp += (((alignd + w) - 1) & ~31);
while (height > 0) {
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = rmaskd; WRITE_MB();
width -= 2 * SFBCOPYBITS;
while (width > 0) {
sp -= SFBCOPYBYTESDONE;
dp -= SFBCOPYBYTESDONE;
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = SFBCOPYALL1; WRITE_MB();
width -= SFBCOPYBITS;
}
sp -= SFBCOPYBYTESDONE;
dp -= SFBCOPYBYTESDONE;
*(u_int32_t *)sp = SFBCOPYALL1; WRITE_MB();
*(u_int32_t *)dp = lmaskd; WRITE_MB();
sp = (sq += scanspan);
dp = (dq += scanspan);
width = w;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
SFBPIXELSHIFT(sfb, 0);
}
#endif
/*
* Clear characters in a line.
*/
static void
sfb_erasecols(id, row, startcol, ncols, attr)
void *id;
int row, startcol, ncols;
long attr;
{
struct rasops_info *ri = id;
caddr_t sfb, p;
int scanspan, startx, height, width, align, w, y;
u_int32_t lmask, rmask;
int fg, bg;
scanspan = ri->ri_stride;
y = row * ri->ri_font->fontheight;
startx = startcol * ri->ri_font->fontwidth;
height = ri->ri_font->fontheight;
w = ri->ri_font->fontwidth * ncols;
p = ri->ri_bits + y * scanspan + startx;
align = (long)p & SFBALIGNMASK;
p -= align;
width = w + align;
lmask = SFBSTIPPLEALL1 << align;
rmask = SFBSTIPPLEALL1 >> (-width & SFBSTIPPLEBITMASK);
sfb = ri->ri_hw;
SFBMODE(sfb, MODE_TRANSPARENTSTIPPLE);
SFBPLANEMASK(sfb, ~0);
rasops_unpack_attr(attr, &fg, &bg, 0);
bg |= bg << 8;
bg |= bg << 16;
SFBFG(sfb, bg); /* fill with bg color */
if (width <= SFBSTIPPLEBITS) {
lmask = lmask & rmask;
while (height > 0) {
SFBADDRESS(sfb, (long)p);
SFBSTART(sfb, lmask);
p += scanspan;
height--;
}
}
else {
caddr_t q = p;
while (height > 0) {
*(u_int32_t *)p = lmask;
WRITE_MB();
width -= 2 * SFBSTIPPLEBITS;
while (width > 0) {
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = SFBSTIPPLEALL1;
WRITE_MB();
width -= SFBSTIPPLEBITS;
}
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = rmask;
WRITE_MB();
p = (q += scanspan);
width = w + align;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
}
/*
* Copy lines.
*/
static void
sfb_copyrows(id, srcrow, dstrow, nrows)
void *id;
int srcrow, dstrow, nrows;
{
struct rasops_info *ri = id;
caddr_t sfb, p;
int scanspan, offset, srcy, height, width, align, w;
u_int32_t lmask, rmask;
scanspan = ri->ri_stride;
height = ri->ri_font->fontheight * nrows;
offset = (dstrow - srcrow) * ri->ri_yscale;
srcy = ri->ri_font->fontheight * srcrow;
if (srcrow < dstrow && srcrow + nrows > dstrow) {
scanspan = -scanspan;
srcy += height;
}
p = ri->ri_bits + srcy * ri->ri_stride;
align = (long)p & SFBALIGNMASK;
p -= align;
w = ri->ri_emuwidth;
width = w + align;
lmask = SFBCOPYALL1 << align;
rmask = SFBCOPYALL1 >> (-width & SFBCOPYBITMASK);
sfb = ri->ri_hw;
SFBMODE(sfb, MODE_COPY);
SFBPLANEMASK(sfb, ~0);
SFBPIXELSHIFT(sfb, 0);
if (width <= SFBCOPYBITS) {
/* never happens */;
}
else {
caddr_t q = p;
while (height > 0) {
*(u_int32_t *)p = lmask;
*(u_int32_t *)(p + offset) = lmask;
width -= 2 * SFBCOPYBITS;
while (width > 0) {
p += SFBCOPYBYTESDONE;
*(u_int32_t *)p = SFBCOPYALL1;
*(u_int32_t *)(p + offset) = SFBCOPYALL1;
width -= SFBCOPYBITS;
}
p += SFBCOPYBYTESDONE;
*(u_int32_t *)p = rmask;
*(u_int32_t *)(p + offset) = rmask;
p = (q += scanspan);
width = w + align;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
}
/*
* Erase lines.
*/
void
sfb_eraserows(id, startrow, nrows, attr)
void *id;
int startrow, nrows;
long attr;
{
struct rasops_info *ri = id;
caddr_t sfb, p;
int scanspan, starty, height, width, align, w;
u_int32_t lmask, rmask;
int fg, bg;
scanspan = ri->ri_stride;
starty = ri->ri_font->fontheight * startrow;
height = ri->ri_font->fontheight * nrows;
p = ri->ri_bits + starty * scanspan;
align = (long)p & SFBALIGNMASK;
p -= align;
w = ri->ri_emuwidth;
width = w + align;
lmask = SFBSTIPPLEALL1 << align;
rmask = SFBSTIPPLEALL1 >> (-width & SFBSTIPPLEBITMASK);
sfb = ri->ri_hw;
SFBMODE(sfb, MODE_TRANSPARENTSTIPPLE);
SFBPLANEMASK(sfb, ~0);
rasops_unpack_attr(attr, &fg, &bg, 0);
bg |= bg << 8;
bg |= bg << 16;
SFBFG(sfb, bg); /* fill with bg color */
if (width <= SFBSTIPPLEBITS) {
/* never happens */;
}
else {
caddr_t q = p;
while (height > 0) {
*(u_int32_t *)p = lmask;
WRITE_MB();
width -= 2 * SFBSTIPPLEBITS;
while (width > 0) {
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = SFBSTIPPLEALL1;
WRITE_MB();
width -= SFBSTIPPLEBITS;
}
p += SFBSTIPPLEBYTESDONE;
*(u_int32_t *)p = rmask;
WRITE_MB();
p = (q += scanspan);
width = w + align;
height--;
}
}
SFBMODE(sfb, MODE_SIMPLE);
}
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