NetBSD/sys/dev/tc/sfbplus.c

999 lines
27 KiB
C

/* $NetBSD: sfbplus.c,v 1.1 1999/12/03 09:50:53 nisimura Exp $ */
/*
* Copyright (c) 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: sfbplus.c,v 1.1 1999/12/03 09:50:53 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 <vm/vm.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/rcons/raster.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wscons_raster.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/tc/tcvar.h>
#include <dev/ic/bt459reg.h>
#include <dev/ic/bt463reg.h>
#include <dev/tc/sfbreg.h>
#include <dev/pci/tgareg.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__) || defined(alpha)
#define machine_btop(x) alpha_btop(x)
#define MACHINE_KSEG0_TO_PHYS(x) ALPHA_K0SEG_TO_PHYS(x)
#endif
/* Bt459/Bt463 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 */
struct raster dc_raster; /* raster description */
struct rcons dc_rcons; /* raster blitter control info */
int dc_blanked; /* currently has video disabled */
};
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 hwops {
void (*setlut) __P((void *, struct hwcmap256 *));
void (*getlut) __P((void *, struct hwcmap256 *));
void (*visible) __P((void *, int));
void (*locate) __P((void *, int, int));
void (*shape) __P((void *, struct wsdisplay_curpos *, u_int64_t *));
void (*color) __P((void *, u_int8_t *));
};
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;
struct hwops sc_hwops;
void *sc_hw0, *sc_hw1;
};
#define HX_MAGIC_X 368
#define HX_MAGIC_Y 38
static int sfbpmatch __P((struct device *, struct cfdata *, void *));
static void sfbpattach __P((struct device *, struct device *, void *));
struct cfattach sfbp_ca = {
sizeof(struct sfb_softc), sfbpmatch, sfbpattach,
};
static void sfbp_getdevconfig __P((tc_addr_t, struct fb_devconfig *));
static struct fb_devconfig sfbp_console_dc;
static tc_addr_t sfbp_consaddr;
extern const struct wsdisplay_emulops sfbp_emulops, sfbp_emulops32;
static struct wsscreen_descr sfb_stdscreen = {
"std", 0, 0,
NULL, /* textops */
0, 0,
WSSCREEN_REVERSE
};
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 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 *));
/* EXPORT */ int sfb_alloc_attr __P((void *, int, int, int, long *));
static const struct wsdisplay_accessops sfb_accessops = {
sfbioctl,
sfbmmap,
sfb_alloc_screen,
sfb_free_screen,
sfb_show_screen,
0 /* load_font */
};
static void bt459visible __P((void *, int));
static void bt459locate __P((void *, int, int));
static void bt459shape __P((void *, struct wsdisplay_curpos *, u_int64_t *));
static void bt459color __P((void *, u_int8_t *));
static void bt459setlut __P((void *, struct hwcmap256 *));
static void sfbpvisible __P((void *, int));
static void sfbplocate __P((void *, int, int));
static void sfbpshape __P((void *, struct wsdisplay_curpos *, u_int64_t *));
static void bt463color __P((void *, u_int8_t *));
static void noplut __P((void *, struct hwcmap256 *));
/* EXPORT */ int sfbp_cnattach __P((tc_addr_t));
static int sfbpintr __P((void *));
static void sfbpinit __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 *));
/*
* 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
sfbpmatch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct tc_attach_args *ta = aux;
if (strncmp("PMAGD", ta->ta_modname, 5) != 0)
return (0);
return (1);
}
static void
sfbp_getdevconfig(dense_addr, dc)
tc_addr_t dense_addr;
struct fb_devconfig *dc;
{
struct raster *rap;
struct rcons *rcp;
caddr_t sfbasic;
int i, hsetup, vsetup, vbase;
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);
i = *(u_int32_t *)(sfbasic + SFB_ASIC_DEEP);
*(u_int32_t *)(sfbasic + SFB_ASIC_VIDEO_BASE) = vbase = 1;
dc->dc_wid = (hsetup & 0x1ff) << 2;
dc->dc_ht = (vsetup & 0x7ff);
dc->dc_depth = (i & 1) ? 32 : 8;
dc->dc_rowbytes = dc->dc_wid * (dc->dc_depth / 8);
dc->dc_videobase = dc->dc_vaddr + 0x800000 + vbase * 4096; /* XXX */
dc->dc_blanked = 0;
/* initialize colormap and cursor resource */
sfbpinit(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;
/* initialize the raster */
rap = &dc->dc_raster;
rap->width = dc->dc_wid;
rap->height = dc->dc_ht;
rap->depth = dc->dc_depth;
rap->linelongs = dc->dc_rowbytes / sizeof(u_int32_t);
rap->pixels = (u_int32_t *)dc->dc_videobase;
rap->data = sfbasic;
/* 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;
sfb_stdscreen.textops
= (dc->dc_depth == 8) ? &sfbp_emulops : &sfbp_emulops32;
}
static void
sfbpattach(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;
caddr_t sfbasic;
int console;
console = (ta->ta_addr == sfbp_consaddr);
if (console) {
sc->sc_dc = &sfbp_console_dc;
sc->nscreens = 1;
}
else {
sc->sc_dc = (struct fb_devconfig *)
malloc(sizeof(struct fb_devconfig), M_DEVBUF, M_WAITOK);
sfbp_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;
memset(cm, 255, sizeof(struct hwcmap256)); /* XXX */
cm->r[0] = cm->g[0] = cm->b[0] = 0; /* XXX */
sc->sc_cursor.cc_magic.x = HX_MAGIC_X;
sc->sc_cursor.cc_magic.y = HX_MAGIC_Y;
if (sc->sc_dc->dc_depth == 8) {
sc->sc_hw0 = (caddr_t)ta->ta_addr + SFB_RAMDAC_OFFSET;
sc->sc_hw1 = sc->sc_hw0;
sc->sc_hwops.visible = bt459visible;
sc->sc_hwops.locate = bt459locate;
sc->sc_hwops.shape = bt459shape;
sc->sc_hwops.color = bt459color;
sc->sc_hwops.setlut = bt459setlut;
sc->sc_hwops.getlut = noplut;
}
else {
sc->sc_hw0 = (caddr_t)ta->ta_addr + SFB_ASIC_OFFSET;
sc->sc_hw1 = (caddr_t)ta->ta_addr + SFB_RAMDAC_OFFSET;
sc->sc_hwops.visible = sfbpvisible;
sc->sc_hwops.locate = sfbplocate;
sc->sc_hwops.shape = sfbpshape;
sc->sc_hwops.color = bt463color;
sc->sc_hwops.setlut = noplut;
sc->sc_hwops.getlut = noplut;
}
tc_intr_establish(parent, ta->ta_cookie, IPL_TTY, sfbpintr, sc);
sfbasic = (caddr_t)(sc->sc_dc->dc_vaddr + SFB_ASIC_OFFSET);
*(u_int32_t *)(sfbasic + SFB_ASIC_CLEAR_INTR) = 0; tc_wmb();
*(u_int32_t *)(sfbasic + SFB_ASIC_ENABLE_INTR) = 1; tc_wmb();
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; /* XXX SFBP XXX */
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 */
Low order 3bit control visibilities of screen and builtin cursor.
#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: {
struct wsdisplay_curpos *pos = (void *)data;
int x, y;
x = pos->x;
y = pos->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;
x -= sc->sc_cursor.cc_hot.x;
y -= sc->sc_cursor.cc_hot.y;
x += sc->sc_cursor.cc_magic.x;
y += sc->sc_cursor.cc_magic.y;
(*sc->sc_hwops.locate)(sc->sc_hw0, x, y);
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;
}
int
sfbmmap(v, offset, prot)
void *v;
off_t offset;
int prot;
{
struct sfb_softc *sc = v;
if (offset >= 0x1000000 || offset < 0) /* XXX 16MB XXX */
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->dc_rcons; /* one and only for now */
*curxp = 0;
*curyp = 0;
sfb_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 == &sfbp_console_dc)
panic("sfb_free_screen: console");
sc->nscreens--;
}
static void
sfb_show_screen(v, cookie)
void *v;
void *cookie;
{
}
int
sfbp_cnattach(addr)
tc_addr_t addr;
{
struct fb_devconfig *dcp = &sfbp_console_dc;
long defattr;
sfbp_getdevconfig(addr, dcp);
sfb_alloc_attr(&dcp->dc_rcons, 0, 0, 0, &defattr);
wsdisplay_cnattach(&sfb_stdscreen, &dcp->dc_rcons,
0, 0, defattr);
sfbp_consaddr = addr;
return(0);
}
static int
sfbpintr(arg)
void *arg;
{
struct sfb_softc *sc = arg;
caddr_t sfbasic = (caddr_t)sc->sc_dc->dc_vaddr + SFB_ASIC_OFFSET;
int v;
u_int32_t sisr;
#define cc (&sc->sc_cursor)
sisr = *((u_int32_t *)sfbasic + TGA_REG_SISR);
*(u_int32_t *)(sfbasic + SFB_ASIC_CLEAR_INTR) = 0;
if (sc->sc_changed == 0)
goto finish;
v = sc->sc_changed;
sc->sc_changed = 0;
if (v & DATA_ENB_CHANGED)
(*sc->sc_hwops.visible)(sc->sc_hw0, sc->sc_curenb);
if (v & DATA_CURCMAP_CHANGED)
(*sc->sc_hwops.color)(sc->sc_hw1, cc->cc_color);
if (v & DATA_CURSHAPE_CHANGED)
(*sc->sc_hwops.shape)(sc->sc_hw0, &cc->cc_size, cc->cc_image);
if (v & DATA_CMAP_CHANGED)
(*sc->sc_hwops.setlut)(sc->sc_hw1, &sc->sc_cmap);
finish:
*((u_int32_t *)sfbasic + TGA_REG_SISR) = sisr = 0x00000001; tc_wmb();
return (1);
#undef cc
}
static void
sfbpinit(dc)
struct fb_devconfig *dc;
{
caddr_t sfbasic = (caddr_t)(dc->dc_vaddr + SFB_ASIC_OFFSET);
caddr_t vdac = (caddr_t)(dc->dc_vaddr + SFB_RAMDAC_OFFSET);
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 */
if (dc->dc_depth == 8) {
*(u_int32_t *)(sfbasic + 0x180000) = 0; /* Bt459 reset */
SELECT(vdac, BT459_REG_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_REG_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);
REG(vdac, bt_cmap) = 0; tc_wmb();
REG(vdac, bt_cmap) = 0; tc_wmb();
REG(vdac, bt_cmap) = 0; tc_wmb();
for (i = 1; i < CMAP_SIZE; i++) {
REG(vdac, bt_cmap) = 0xff; tc_wmb();
REG(vdac, bt_cmap) = 0xff; tc_wmb();
REG(vdac, bt_cmap) = 0xff; tc_wmb();
}
/* clear out cursor image */
SELECT(vdac, BT459_REG_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_REG_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();
} else {
SELECT(vdac, BT463_IREG_COMMAND_0);
REG(vdac, bt_reg) = 0x40; tc_wmb(); /* CMD 0 */
REG(vdac, bt_reg) = 0x46; tc_wmb(); /* CMD 1 */
REG(vdac, bt_reg) = 0xc0; tc_wmb(); /* CMD 2 */
REG(vdac, bt_reg) = 0; tc_wmb(); /* !? 204 !? */
REG(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 0:7 */
REG(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 8:15 */
REG(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 16:23 */
REG(vdac, bt_reg) = 0xff; tc_wmb(); /* plane 24:27 */
REG(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 0:7 */
REG(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 8:15 */
REG(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 16:23 */
REG(vdac, bt_reg) = 0x00; tc_wmb(); /* blink 24:27 */
REG(vdac, bt_reg) = 0x00; tc_wmb();
#if 0 /* XXX ULTRIX does initialize 16 entry window type here XXX */
{
static u_int32_t windowtype[BT463_IREG_WINDOW_TYPE_TABLE] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
SELECT(vdac, BT463_IREG_WINDOW_TYPE_TABLE);
for (i = 0; i < BT463_NWTYPE_ENTRIES; i++) {
REG(vdac, bt_reg) = windowtype[i]; /* 0:7 */
REG(vdac, bt_reg) = windowtype[i] >> 8; /* 8:15 */
REG(vdac, bt_reg) = windowtype[i] >> 16; /* 16:23 */
}
}
#endif
SELECT(vdac, BT463_IREG_CPALETTE_RAM);
REG(vdac, bt_cmap) = 0; tc_wmb();
REG(vdac, bt_cmap) = 0; tc_wmb();
REG(vdac, bt_cmap) = 0; tc_wmb();
for (i = 1; i < 256; i++) {
REG(vdac, bt_cmap) = 0xff; tc_wmb();
REG(vdac, bt_cmap) = 0xff; tc_wmb();
REG(vdac, bt_cmap) = 0xff; tc_wmb();
}
/* !? Eeeh !? */
SELECT(vdac, 0x0100 /* BT463_IREG_CURSOR_COLOR_0 */);
for (i = 0; i < 256; i++) {
REG(vdac, bt_cmap) = i; tc_wmb();
REG(vdac, bt_cmap) = i; tc_wmb();
REG(vdac, bt_cmap) = i; 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, x, y;
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) {
struct fb_devconfig *dc = sc->sc_dc;
x = p->pos.x;
y = p->pos.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;
}
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;
(*sc->sc_hwops.locate)(sc->sc_hw0, x, y);
}
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 */
}
int
sfb_alloc_attr(id, fg, bg, flags, attrp)
void *id;
int fg, bg, flags;
long *attrp;
{
if (flags & (WSATTR_HILIT | WSATTR_BLINK |
WSATTR_UNDERLINE | WSATTR_WSCOLORS))
return (EINVAL);
if (flags & WSATTR_REVERSE)
*attrp = 1;
else
*attrp = 0;
return (0);
}
static void
bt459visible(hw, on)
void *hw;
int on;
{
SELECT(hw, BT459_REG_CCR);
REG(hw, bt_reg) = (on) ? 0xc0 : 0x00;
tc_wmb();
}
static void
sfbpvisible(hw, on)
void *hw;
int on;
{
}
static void
bt459locate(hw, x, y)
void *hw;
int x, y;
{
int s;
s = spltty();
SELECT(hw, BT459_REG_CURSOR_X_LOW);
REG(hw, bt_reg) = x; tc_wmb();
REG(hw, bt_reg) = x >> 8; tc_wmb();
REG(hw, bt_reg) = y; tc_wmb();
REG(hw, bt_reg) = y >> 8; tc_wmb();
splx(s);
}
static void
sfbplocate(hw, x, y)
void *hw;
int x, y;
{
*((u_int32_t *)hw + TGA_REG_CXYR) = ((y & 0xfff) << 12) | (x & 0xfff);
tc_wmb();
}
static void
bt459color(hw, cp)
void *hw;
u_int8_t *cp;
{
SELECT(hw, BT459_REG_CCOLOR_2);
REG(hw, bt_reg) = cp[1]; tc_wmb();
REG(hw, bt_reg) = cp[3]; tc_wmb();
REG(hw, bt_reg) = cp[5]; tc_wmb();
REG(hw, bt_reg) = cp[0]; tc_wmb();
REG(hw, bt_reg) = cp[2]; tc_wmb();
REG(hw, bt_reg) = cp[4]; tc_wmb();
}
static void
bt463color(hw, cp)
void *hw;
u_int8_t *cp;
{
}
static void
bt459shape(hw, size, image)
void *hw;
struct wsdisplay_curpos *size;
u_int64_t *image;
{
u_int8_t *ip, *mp, img, msk;
u_int8_t u;
int bcnt;
ip = (u_int8_t *)image;
mp = (u_int8_t *)(image + CURSOR_MAX_SIZE);
bcnt = 0;
SELECT(hw, BT459_REG_CRAM_BASE+0);
/* 64 pixel scan line is consisted with 16 byte cursor ram */
while (bcnt < size->y * 16) {
/* pad right half 32 pixel when smaller than 33 */
if ((bcnt & 0x8) && size->x < 33) {
REG(hw, bt_reg) = 0; tc_wmb();
REG(hw, bt_reg) = 0; tc_wmb();
}
else {
img = *ip++;
msk = *mp++;
img &= msk; /* cookie off image */
u = (msk & 0x0f) << 4 | (img & 0x0f);
REG(hw, bt_reg) = shuffle[u]; tc_wmb();
u = (msk & 0xf0) | (img & 0xf0) >> 4;
REG(hw, bt_reg) = shuffle[u]; tc_wmb();
}
bcnt += 2;
}
/* pad unoccupied scan lines */
while (bcnt < CURSOR_MAX_SIZE * 16) {
REG(hw, bt_reg) = 0; tc_wmb();
REG(hw, bt_reg) = 0; tc_wmb();
bcnt += 2;
}
}
static void
sfbpshape(hw, size, image)
void *hw;
struct wsdisplay_curpos *size;
u_int64_t *image;
{
}
static void
bt459setlut(hw, cm)
void *hw;
struct hwcmap256 *cm;
{
int index;
SELECT(hw, 0);
for (index = 0; index < CMAP_SIZE; index++) {
REG(hw, bt_cmap) = cm->r[index]; tc_wmb();
REG(hw, bt_cmap) = cm->g[index]; tc_wmb();
REG(hw, bt_cmap) = cm->b[index]; tc_wmb();
}
}
static void
noplut(hw, cm)
void *hw;
struct hwcmap256 *cm;
{
}