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NetBSD/sys/dev/pci/unichromefb.c

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/* $NetBSD: unichromefb.c,v 1.18 2011/01/22 15:14:28 cegger Exp $ */
/*-
* Copyright (c) 2006, 2008 Jared D. McNeill <jmcneill@invisible.ca>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright 1998-2006 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2006 S3 Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) OR COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: unichromefb.c,v 1.18 2011/01/22 15:14:28 cegger Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pciio.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 <dev/pci/wsdisplay_pci.h>
#include <dev/pci/unichromereg.h>
#include <dev/pci/unichromemode.h>
#include <dev/pci/unichromehw.h>
#include <dev/pci/unichromeconfig.h>
#include <dev/pci/unichromeaccel.h>
#include "vga.h"
#if NVGA > 0
#include <dev/ic/mc6845reg.h>
#include <dev/ic/pcdisplayvar.h>
#include <dev/ic/vgareg.h>
#include <dev/ic/vgavar.h>
#endif
/* XXX */
#define UNICHROMEFB_DEPTH 16
#define UNICHROMEFB_MODE VIA_RES_1280X1024
#define UNICHROMEFB_WIDTH 1280
#define UNICHROMEFB_HEIGHT 1024
struct unichromefb_softc {
device_t sc_dev;
struct vcons_data sc_vd;
void * sc_fbbase;
unsigned int sc_fbaddr;
unsigned int sc_fbsize;
bus_addr_t sc_mmiobase;
bus_size_t sc_mmiosize;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_space_tag_t sc_memt;
bus_space_handle_t sc_memh;
bus_space_tag_t sc_apmemt;
bus_space_handle_t sc_apmemh;
struct pci_attach_args sc_pa;
int sc_width;
int sc_height;
int sc_depth;
int sc_stride;
int sc_wsmode;
int sc_accel;
};
static int unichromefb_match(device_t, cfdata_t, void *);
static void unichromefb_attach(device_t, device_t, void *);
static int unichromefb_drm_print(void *, const char *);
static int unichromefb_drm_unmap(struct unichromefb_softc *);
static int unichromefb_drm_map(struct unichromefb_softc *);
struct wsscreen_descr unichromefb_stdscreen = {
"fb",
0, 0,
NULL,
8, 16,
WSSCREEN_WSCOLORS, NULL,
};
static int unichromefb_ioctl(void *, void *, u_long, void *, int,
struct lwp *);
static paddr_t unichromefb_mmap(void *, void *, off_t, int);
static void unichromefb_init_screen(void *, struct vcons_screen *,
int, long *);
/* hardware access */
static uint8_t uni_rd(struct unichromefb_softc *, int, uint8_t);
static void uni_wr(struct unichromefb_softc *, int, uint8_t, uint8_t);
static void uni_wr_mask(struct unichromefb_softc *, int, uint8_t,
uint8_t, uint8_t);
static void uni_wr_x(struct unichromefb_softc *, struct io_reg *, int);
static void uni_wr_dac(struct unichromefb_softc *, uint8_t, uint8_t,
uint8_t, uint8_t);
/* helpers */
static struct VideoModeTable * uni_getmode(int);
static void uni_setmode(struct unichromefb_softc *, int, int);
static void uni_crt_lock(struct unichromefb_softc *);
static void uni_crt_unlock(struct unichromefb_softc *);
static void uni_crt_enable(struct unichromefb_softc *);
static void uni_crt_disable(struct unichromefb_softc *);
static void uni_screen_enable(struct unichromefb_softc *);
static void uni_screen_disable(struct unichromefb_softc *);
static void uni_set_start(struct unichromefb_softc *);
static void uni_set_crtc(struct unichromefb_softc *,
struct crt_mode_table *, int, int, int);
static void uni_load_crtc(struct unichromefb_softc *, struct display_timing,
int);
static void uni_load_reg(struct unichromefb_softc *, int, int,
struct io_register *, int);
static void uni_fix_crtc(struct unichromefb_softc *);
static void uni_load_offset(struct unichromefb_softc *, int, int, int);
static void uni_load_fetchcnt(struct unichromefb_softc *, int, int, int);
static void uni_load_fifo(struct unichromefb_softc *, int, int, int);
static void uni_set_depth(struct unichromefb_softc *, int, int);
static uint32_t uni_get_clkval(struct unichromefb_softc *, int);
static void uni_set_vclk(struct unichromefb_softc *, uint32_t, int);
static void uni_init_dac(struct unichromefb_softc *, int);
static void uni_init_accel(struct unichromefb_softc *);
static void uni_set_accel_depth(struct unichromefb_softc *);
/* graphics ops */
static void uni_wait_idle(struct unichromefb_softc *);
static void uni_fillrect(struct unichromefb_softc *,
int, int, int, int, int);
static void uni_rectinvert(struct unichromefb_softc *,
int, int, int, int);
static void uni_bitblit(struct unichromefb_softc *, int, int, int, int,
int, int);
static void uni_setup_mono(struct unichromefb_softc *, int, int, int,
int, uint32_t, uint32_t);
#if notyet
static void uni_cursor_show(struct unichromefb_softc *);
static void uni_cursor_hide(struct unichromefb_softc *);
#endif
/* rasops glue */
static void uni_copycols(void *, int, int, int, int);
static void uni_copyrows(void *, int, int, int);
static void uni_erasecols(void *, int, int, int, long);
static void uni_eraserows(void *, int, int, long);
static void uni_cursor(void *, int, int, int);
static void uni_putchar(void *, int, int, u_int, long);
struct wsdisplay_accessops unichromefb_accessops = {
unichromefb_ioctl,
unichromefb_mmap,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
};
static struct vcons_screen unichromefb_console_screen;
const struct wsscreen_descr *_unichromefb_scrlist[] = {
&unichromefb_stdscreen,
};
struct wsscreen_list unichromefb_screenlist = {
sizeof(_unichromefb_scrlist) / sizeof(struct wsscreen_descr *),
_unichromefb_scrlist
};
CFATTACH_DECL_NEW(unichromefb, sizeof(struct unichromefb_softc),
unichromefb_match, unichromefb_attach, NULL, NULL);
static int
unichromefb_match(device_t parent, cfdata_t match, void *opaque)
{
struct pci_attach_args *pa;
pa = (struct pci_attach_args *)opaque;
if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY ||
PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_DISPLAY_VGA)
return 0;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_VIATECH)
return 0;
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_VIATECH_VT3314_IG:
return 10; /* beat vga(4) */
}
return 0;
}
static void
unichromefb_attach(device_t parent, device_t self, void *opaque)
{
struct unichromefb_softc *sc = device_private(self);
struct pci_attach_args *pa;
struct rasops_info *ri;
struct wsemuldisplaydev_attach_args aa;
uint8_t val;
long defattr;
pa = (struct pci_attach_args *)opaque;
sc->sc_dev = self;
sc->sc_width = UNICHROMEFB_WIDTH;
sc->sc_height = UNICHROMEFB_HEIGHT;
sc->sc_depth = UNICHROMEFB_DEPTH;
sc->sc_stride = sc->sc_width * (sc->sc_depth / 8);
sc->sc_wsmode = WSDISPLAYIO_MODE_EMUL;
sc->sc_iot = pa->pa_iot;
sc->sc_pa = *pa;
#if NVGA > 0
/* XXX vga_cnattach claims the I/O registers that we need;
* we need to nuke it here so we can take over.
*/
vga_cndetach();
#endif
if (bus_space_map(sc->sc_iot, VIA_REGBASE, 0x20, 0, &sc->sc_ioh)) {
aprint_error(": failed to map I/O registers\n");
return;
}
sc->sc_apmemt = pa->pa_memt;
val = uni_rd(sc, VIASR, SR30);
sc->sc_fbaddr = val << 24;
val = uni_rd(sc, VIASR, SR39);
sc->sc_fbsize = val * (4*1024*1024);
if (sc->sc_fbsize < 16*1024*1024 || sc->sc_fbsize > 64*1024*1024)
sc->sc_fbsize = 16*1024*1024;
if (bus_space_map(sc->sc_apmemt, sc->sc_fbaddr, sc->sc_fbsize,
BUS_SPACE_MAP_LINEAR, &sc->sc_apmemh)) {
aprint_error(": failed to map aperture at 0x%08x/0x%x\n",
sc->sc_fbaddr, sc->sc_fbsize);
return;
}
sc->sc_fbbase = (void *)bus_space_vaddr(sc->sc_apmemt, sc->sc_apmemh);
if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_MEM, 0,
&sc->sc_memt, &sc->sc_memh, &sc->sc_mmiobase,
&sc->sc_mmiosize)) {
sc->sc_accel = 0;
aprint_error(": failed to map MMIO registers\n");
} else {
sc->sc_accel = 1;
}
aprint_naive("\n");
aprint_normal(": VIA UniChrome frame buffer\n");
if (sc->sc_accel)
aprint_normal_dev(self, "MMIO @0x%08x/0x%x\n",
(uint32_t)sc->sc_mmiobase,
(uint32_t)sc->sc_mmiosize);
ri = &unichromefb_console_screen.scr_ri;
memset(ri, 0, sizeof(struct rasops_info));
vcons_init(&sc->sc_vd, sc, &unichromefb_stdscreen,
&unichromefb_accessops);
sc->sc_vd.init_screen = unichromefb_init_screen;
uni_setmode(sc, UNICHROMEFB_MODE, sc->sc_depth);
uni_init_dac(sc, IGA1);
if (sc->sc_accel) {
uni_init_accel(sc);
uni_fillrect(sc, 0, 0, sc->sc_width, sc->sc_height, 0);
}
aprint_normal_dev(self, "FB @0x%08x (%dx%dx%d)\n",
sc->sc_fbaddr, sc->sc_width, sc->sc_height, sc->sc_depth);
unichromefb_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
vcons_init_screen(&sc->sc_vd, &unichromefb_console_screen, 1, &defattr);
unichromefb_stdscreen.ncols = ri->ri_cols;
unichromefb_stdscreen.nrows = ri->ri_rows;
unichromefb_stdscreen.textops = &ri->ri_ops;
unichromefb_stdscreen.capabilities = ri->ri_caps;
unichromefb_stdscreen.modecookie = NULL;
wsdisplay_cnattach(&unichromefb_stdscreen, ri, 0, 0, defattr);
aa.console = 1; /* XXX */
aa.scrdata = &unichromefb_screenlist;
aa.accessops = &unichromefb_accessops;
aa.accesscookie = &sc->sc_vd;
config_found(self, &aa, wsemuldisplaydevprint);
config_found_ia(self, "drm", opaque, unichromefb_drm_print);
return;
}
static int
unichromefb_drm_print(void *opaque, const char *pnp)
{
if (pnp)
aprint_normal("drm at %s", pnp);
return UNCONF;
}
static int
unichromefb_drm_unmap(struct unichromefb_softc *sc)
{
aprint_debug_dev(sc->sc_dev, "releasing bus resources\n");
bus_space_unmap(sc->sc_apmemt, sc->sc_apmemh, sc->sc_fbsize);
bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_mmiosize);
bus_space_unmap(sc->sc_iot, sc->sc_ioh, 0x20);
return 0;
}
static int
unichromefb_drm_map(struct unichromefb_softc *sc)
{
int rv;
rv = bus_space_map(sc->sc_iot, VIA_REGBASE, 0x20, 0,
&sc->sc_ioh);
if (rv) {
aprint_error_dev(sc->sc_dev, "failed to map I/O registers\n");
return rv;
}
rv = bus_space_map(sc->sc_apmemt, sc->sc_fbaddr, sc->sc_fbsize,
BUS_SPACE_MAP_LINEAR, &sc->sc_apmemh);
if (rv) {
aprint_error_dev(sc->sc_dev,
"failed to map aperture at 0x%08x/0x%x\n",
sc->sc_fbaddr, sc->sc_fbsize);
return rv;
}
sc->sc_fbbase = (void *)bus_space_vaddr(sc->sc_apmemt, sc->sc_apmemh);
rv = pci_mapreg_map(&sc->sc_pa, 0x14, PCI_MAPREG_TYPE_MEM, 0,
&sc->sc_memt, &sc->sc_memh, &sc->sc_mmiobase,
&sc->sc_mmiosize);
if (rv) {
aprint_error_dev(sc->sc_dev, "failed to map MMIO registers\n");
sc->sc_accel = 0;
}
uni_setmode(sc, UNICHROMEFB_MODE, sc->sc_depth);
uni_init_dac(sc, IGA1);
if (sc->sc_accel)
uni_init_accel(sc);
aprint_debug_dev(sc->sc_dev, "re-acquired bus resources\n");
return 0;
}
static int
unichromefb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
struct lwp *l)
{
struct vcons_data *vd;
struct unichromefb_softc *sc;
struct wsdisplay_fbinfo *fb;
vd = (struct vcons_data *)v;
sc = (struct unichromefb_softc *)vd->cookie;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
return 0;
case WSDISPLAYIO_GINFO:
if (vd->active != NULL) {
fb = (struct wsdisplay_fbinfo *)data;
fb->width = sc->sc_width;
fb->height = sc->sc_height;
fb->depth = sc->sc_depth;
fb->cmsize = 256;
return 0;
} else
return ENODEV;
case WSDISPLAYIO_GVIDEO:
return ENODEV;
case WSDISPLAYIO_SVIDEO:
return ENODEV;
case WSDISPLAYIO_GETCMAP:
return EINVAL;
case WSDISPLAYIO_PUTCMAP:
return EINVAL;
case WSDISPLAYIO_LINEBYTES:
*(u_int *)data = sc->sc_stride;
return 0;
case WSDISPLAYIO_SMODE: {
int new_mode = *(int *)data;
if (new_mode != sc->sc_wsmode) {
sc->sc_wsmode = new_mode;
switch (new_mode) {
case WSDISPLAYIO_MODE_EMUL:
unichromefb_drm_map(sc);
vcons_redraw_screen(vd->active);
break;
default:
unichromefb_drm_unmap(sc);
break;
}
}
}
return 0;
case WSDISPLAYIO_SSPLASH:
return ENODEV;
case WSDISPLAYIO_SPROGRESS:
return ENODEV;
/* PCI config read/write passthrough. */
case PCI_IOC_CFGREAD:
case PCI_IOC_CFGWRITE:
return (pci_devioctl(sc->sc_pa.pa_pc, sc->sc_pa.pa_tag,
cmd, data, flag, l));
case WSDISPLAYIO_GET_BUSID:
return wsdisplayio_busid_pci(sc->sc_dev,
sc->sc_pa.pa_pc, sc->sc_pa.pa_tag, data);
}
return EPASSTHROUGH;
}
static paddr_t
unichromefb_mmap(void *v, void *vs, off_t offset, int prot)
{
return -1;
}
static void
unichromefb_init_screen(void *c, struct vcons_screen *scr, int existing,
long *defattr)
{
struct unichromefb_softc *sc;
struct rasops_info *ri;
sc = (struct unichromefb_softc *)c;
ri = &scr->scr_ri;
ri->ri_flg = RI_CENTER;
ri->ri_depth = sc->sc_depth;
ri->ri_width = sc->sc_width;
ri->ri_height = sc->sc_height;
ri->ri_stride = sc->sc_stride;
ri->ri_bits = sc->sc_fbbase;
if (existing)
ri->ri_flg |= RI_CLEAR;
switch (ri->ri_depth) {
case 32:
ri->ri_rnum = ri->ri_gnum = ri->ri_bnum = 8;
ri->ri_rpos = 16;
ri->ri_gpos = 8;
ri->ri_bpos = 0;
break;
case 16:
ri->ri_rnum = 5;
ri->ri_gnum = 6;
ri->ri_bnum = 5;
ri->ri_rpos = 11;
ri->ri_gpos = 5;
ri->ri_bpos = 0;
break;
}
rasops_init(ri, sc->sc_height / 16, 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);
ri->ri_hw = scr;
if (sc->sc_accel) {
ri->ri_ops.copyrows = uni_copyrows;
ri->ri_ops.copycols = uni_copycols;
ri->ri_ops.eraserows = uni_eraserows;
ri->ri_ops.erasecols = uni_erasecols;
ri->ri_ops.cursor = uni_cursor;
ri->ri_ops.putchar = uni_putchar;
}
return;
}
/*
* hardware access
*/
static uint8_t
uni_rd(struct unichromefb_softc *sc, int off, uint8_t idx)
{
bus_space_write_1(sc->sc_iot, sc->sc_ioh, off, idx);
return bus_space_read_1(sc->sc_iot, sc->sc_ioh, off + 1);
}
static void
uni_wr(struct unichromefb_softc *sc, int off, uint8_t idx, uint8_t val)
{
bus_space_write_1(sc->sc_iot, sc->sc_ioh, off, idx);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, off + 1, val);
}
static void
uni_wr_mask(struct unichromefb_softc *sc, int off, uint8_t idx,
uint8_t val, uint8_t mask)
{
uint8_t tmp;
bus_space_write_1(sc->sc_iot, sc->sc_ioh, off, idx);
tmp = bus_space_read_1(sc->sc_iot, sc->sc_ioh, off + 1);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, off + 1,
((val & mask) | (tmp & ~mask)));
}
static void
uni_wr_dac(struct unichromefb_softc *sc, uint8_t idx,
uint8_t r, uint8_t g, uint8_t b)
{
bus_space_write_1(sc->sc_iot, sc->sc_ioh, LUT_INDEX_WRITE, idx);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, LUT_DATA, r);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, LUT_DATA, g);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, LUT_DATA, b);
}
static void
uni_wr_x(struct unichromefb_softc *sc, struct io_reg *tbl, int num)
{
int i;
uint8_t tmp;
for (i = 0; i < num; i++) {
bus_space_write_1(sc->sc_iot, sc->sc_ioh, tbl[i].port,
tbl[i].index);
tmp = bus_space_read_1(sc->sc_iot, sc->sc_ioh,
tbl[i].port + 1);
tmp = (tmp & (~tbl[i].mask)) | tbl[i].value;
bus_space_write_1(sc->sc_iot, sc->sc_ioh, tbl[i].index + 1,
tmp);
}
}
/*
* helpers
*/
static struct VideoModeTable *
uni_getmode(int mode)
{
int i;
for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
if (CLE266Modes[i].ModeIndex == mode)
return &CLE266Modes[i];
return NULL;
}
static void
uni_setmode(struct unichromefb_softc *sc, int idx, int bpp)
{
struct VideoModeTable *vtbl;
struct crt_mode_table *crt;
int i;
/* XXX */
vtbl = uni_getmode(idx);
if (vtbl == NULL)
panic("%s: unsupported mode: %d\n",
device_xname(sc->sc_dev), idx);
crt = vtbl->crtc;
uni_screen_disable(sc);
(void)bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAStatus);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAAR, 0);
/* XXX assume CN900 for now */
uni_wr_x(sc, CN900_ModeXregs, NUM_TOTAL_CN900_ModeXregs);
uni_crt_disable(sc);
/* Fill VPIT params */
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAWMisc, VPIT.Misc);
/* Write sequencer */
for (i = 1; i <= StdSR; i++) {
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIASR, i);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIASR + 1,
VPIT.SR[i - 1]);
}
uni_set_start(sc);
uni_set_crtc(sc, crt, idx, bpp / 8, IGA1);
for (i = 0; i < StdGR; i++) {
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAGR, i);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAGR + 1,
VPIT.GR[i]);
}
for (i = 0; i < StdAR; i++) {
(void)bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAStatus);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAAR, i);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAAR,
VPIT.AR[i]);
}
(void)bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIAStatus);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAAR, 0x20);
uni_set_crtc(sc, crt, idx, bpp / 8, IGA1);
/* set crt output path */
uni_wr_mask(sc, VIASR, SR16, 0x00, BIT6);
uni_crt_enable(sc);
uni_screen_enable(sc);
return;
}
static void
uni_crt_lock(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIACR, CR11, BIT7, BIT7);
}
static void
uni_crt_unlock(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIACR, CR11, 0, BIT7);
uni_wr_mask(sc, VIACR, CR47, 0, BIT0);
}
static void
uni_crt_enable(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIACR, CR36, 0, BIT5+BIT4);
}
static void
uni_crt_disable(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIACR, CR36, BIT5+BIT4, BIT5+BIT4);
}
static void
uni_screen_enable(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIASR, SR01, 0, BIT5);
}
static void
uni_screen_disable(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIASR, SR01, 0x20, BIT5);
}
static void
uni_set_start(struct unichromefb_softc *sc)
{
uni_crt_unlock(sc);
uni_wr(sc, VIACR, CR0C, 0x00);
uni_wr(sc, VIACR, CR0D, 0x00);
uni_wr(sc, VIACR, CR34, 0x00);
uni_wr_mask(sc, VIACR, CR48, 0x00, BIT0 + BIT1);
uni_wr(sc, VIACR, CR62, 0x00);
uni_wr(sc, VIACR, CR63, 0x00);
uni_wr(sc, VIACR, CR64, 0x00);
uni_wr(sc, VIACR, CRA3, 0x00);
uni_crt_lock(sc);
}
static void
uni_set_crtc(struct unichromefb_softc *sc, struct crt_mode_table *ctbl,
int mode, int bpp_byte, int iga)
{
struct VideoModeTable *vtbl;
struct display_timing crtreg;
int i;
int index;
int haddr, vaddr;
uint8_t val;
uint32_t pll_d_n;
index = 0;
vtbl = uni_getmode(mode);
for (i = 0; i < vtbl->mode_array; i++) {
index = i;
if (ctbl[i].refresh_rate == 60)
break;
}
crtreg = ctbl[index].crtc;
haddr = crtreg.hor_addr;
vaddr = crtreg.ver_addr;
val = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIARMisc);
if (ctbl[index].h_sync_polarity == NEGATIVE) {
if (ctbl[index].v_sync_polarity == NEGATIVE)
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAWMisc,
(val & (~(BIT6+BIT7))) | (BIT6+BIT7));
else
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAWMisc,
(val & (~(BIT6+BIT7))) | (BIT6));
} else {
if (ctbl[index].v_sync_polarity == NEGATIVE)
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAWMisc,
(val & (~(BIT6+BIT7))) | (BIT7));
else
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAWMisc,
(val & (~(BIT6+BIT7))));
}
if (iga == IGA1) {
uni_crt_unlock(sc);
uni_wr(sc, VIACR, CR09, 0x00);
uni_wr_mask(sc, VIACR, CR11, 0x00, BIT4+BIT5+BIT6);
uni_wr_mask(sc, VIACR, CR17, 0x00, BIT7);
}
uni_load_crtc(sc, crtreg, iga);
uni_fix_crtc(sc);
uni_crt_lock(sc);
uni_wr_mask(sc, VIACR, CR17, 0x80, BIT7);
uni_load_offset(sc, haddr, bpp_byte, iga);
uni_load_fetchcnt(sc, haddr, bpp_byte, iga);
uni_load_fifo(sc, iga, haddr, vaddr);
uni_set_depth(sc, bpp_byte, iga);
pll_d_n = uni_get_clkval(sc, ctbl[index].clk);
uni_set_vclk(sc, pll_d_n, iga);
}
static void
uni_load_crtc(struct unichromefb_softc *sc,
struct display_timing device_timing, int iga)
{
int regnum, val;
struct io_register *reg;
int i;
regnum = val = 0;
reg = NULL;
uni_crt_unlock(sc);
for (i = 0; i < 12; i++) {
switch (iga) {
case IGA1:
switch (i) {
case H_TOTAL_INDEX:
val = IGA1_HOR_TOTAL_FORMULA(
device_timing.hor_total);
regnum = iga1_crtc_reg.hor_total.reg_num;
reg = iga1_crtc_reg.hor_total.reg;
break;
case H_ADDR_INDEX:
val = IGA1_HOR_ADDR_FORMULA(
device_timing.hor_addr);
regnum = iga1_crtc_reg.hor_addr.reg_num;
reg = iga1_crtc_reg.hor_addr.reg;
break;
case H_BLANK_START_INDEX:
val = IGA1_HOR_BLANK_START_FORMULA(
device_timing.hor_blank_start);
regnum = iga1_crtc_reg.hor_blank_start.reg_num;
reg = iga1_crtc_reg.hor_blank_start.reg;
break;
case H_BLANK_END_INDEX:
val = IGA1_HOR_BLANK_END_FORMULA(
device_timing.hor_blank_start,
device_timing.hor_blank_end);
regnum = iga1_crtc_reg.hor_blank_end.reg_num;
reg = iga1_crtc_reg.hor_blank_end.reg;
break;
case H_SYNC_START_INDEX:
val = IGA1_HOR_SYNC_START_FORMULA(
device_timing.hor_sync_start);
regnum = iga1_crtc_reg.hor_sync_start.reg_num;
reg = iga1_crtc_reg.hor_sync_start.reg;
break;
case H_SYNC_END_INDEX:
val = IGA1_HOR_SYNC_END_FORMULA(
device_timing.hor_sync_start,
device_timing.hor_sync_end);
regnum = iga1_crtc_reg.hor_sync_end.reg_num;
reg = iga1_crtc_reg.hor_sync_end.reg;
break;
case V_TOTAL_INDEX:
val = IGA1_VER_TOTAL_FORMULA(
device_timing.ver_total);
regnum = iga1_crtc_reg.ver_total.reg_num;
reg = iga1_crtc_reg.ver_total.reg;
break;
case V_ADDR_INDEX:
val = IGA1_VER_ADDR_FORMULA(
device_timing.ver_addr);
regnum = iga1_crtc_reg.ver_addr.reg_num;
reg = iga1_crtc_reg.ver_addr.reg;
break;
case V_BLANK_START_INDEX:
val = IGA1_VER_BLANK_START_FORMULA(
device_timing.ver_blank_start);
regnum = iga1_crtc_reg.ver_blank_start.reg_num;
reg = iga1_crtc_reg.ver_blank_start.reg;
break;
case V_BLANK_END_INDEX:
val = IGA1_VER_BLANK_END_FORMULA(
device_timing.ver_blank_start,
device_timing.ver_blank_end);
regnum = iga1_crtc_reg.ver_blank_end.reg_num;
reg = iga1_crtc_reg.ver_blank_end.reg;
break;
case V_SYNC_START_INDEX:
val = IGA1_VER_SYNC_START_FORMULA(
device_timing.ver_sync_start);
regnum = iga1_crtc_reg.ver_sync_start.reg_num;
reg = iga1_crtc_reg.ver_sync_start.reg;
break;
case V_SYNC_END_INDEX:
val = IGA1_VER_SYNC_END_FORMULA(
device_timing.ver_sync_start,
device_timing.ver_sync_end);
regnum = iga1_crtc_reg.ver_sync_end.reg_num;
reg = iga1_crtc_reg.ver_sync_end.reg;
break;
default:
aprint_error_dev(sc->sc_dev,
"unknown index %d while setting up CRTC\n",
i);
break;
}
break;
case IGA2:
aprint_error_dev(sc->sc_dev, "%s: IGA2 not supported\n",
__func__);
break;
}
uni_load_reg(sc, val, regnum, reg, VIACR);
}
uni_crt_lock(sc);
}
static void
uni_load_reg(struct unichromefb_softc *sc, int timing, int regnum,
struct io_register *reg, int type)
{
int regmask, bitnum, data;
int i, j;
int shift_next_reg;
int startidx, endidx, cridx;
uint16_t getbit;
bitnum = 0;
for (i = 0; i < regnum; i++) {
regmask = data = 0;
startidx = reg[i].start_bit;
endidx = reg[i].end_bit;
cridx = reg[i].io_addr;
shift_next_reg = bitnum;
for (j = startidx; j <= endidx; j++) {
regmask = regmask | (BIT0 << j);
getbit = (timing & (BIT0 << bitnum));
data = data | ((getbit >> shift_next_reg) << startidx);
++bitnum;
}
if (type == VIACR)
uni_wr_mask(sc, VIACR, cridx, data, regmask);
else
uni_wr_mask(sc, VIASR, cridx, data, regmask);
}
return;
}
static void
uni_fix_crtc(struct unichromefb_softc *sc)
{
uni_wr_mask(sc, VIACR, CR03, 0x80, BIT7);
uni_wr(sc, VIACR, CR18, 0xff);
uni_wr_mask(sc, VIACR, CR07, 0x10, BIT4);
uni_wr_mask(sc, VIACR, CR09, 0x40, BIT6);
uni_wr_mask(sc, VIACR, CR35, 0x10, BIT4);
uni_wr_mask(sc, VIACR, CR33, 0x06, BIT0+BIT1+BIT2);
uni_wr(sc, VIACR, CR17, 0xe3);
uni_wr(sc, VIACR, CR08, 0x00);
uni_wr(sc, VIACR, CR14, 0x00);
return;
}
static void
uni_load_offset(struct unichromefb_softc *sc, int haddr, int bpp, int iga)
{
switch (iga) {
case IGA1:
uni_load_reg(sc,
IGA1_OFFSET_FORMULA(haddr, bpp),
offset_reg.iga1_offset_reg.reg_num,
offset_reg.iga1_offset_reg.reg,
VIACR);
break;
default:
aprint_error_dev(sc->sc_dev, "%s: only IGA1 is supported\n",
__func__);
break;
}
return;
}
static void
uni_load_fetchcnt(struct unichromefb_softc *sc, int haddr, int bpp, int iga)
{
switch (iga) {
case IGA1:
uni_load_reg(sc,
IGA1_FETCH_COUNT_FORMULA(haddr, bpp),
fetch_count_reg.iga1_fetch_count_reg.reg_num,
fetch_count_reg.iga1_fetch_count_reg.reg,
VIASR);
break;
default:
aprint_error_dev(sc->sc_dev, "%s: only IGA1 is supported\n",
__func__);
break;
}
return;
}
static void
uni_load_fifo(struct unichromefb_softc *sc, int iga, int horact, int veract)
{
int val, regnum;
struct io_register *reg;
int iga1_fifo_max_depth, iga1_fifo_threshold;
int iga1_fifo_high_threshold, iga1_display_queue_expire_num;
reg = NULL;
iga1_fifo_max_depth = iga1_fifo_threshold = 0;
iga1_fifo_high_threshold = iga1_display_queue_expire_num = 0;
switch (iga) {
case IGA1:
/* XXX if (type == CN900) { */
iga1_fifo_max_depth = CN900_IGA1_FIFO_MAX_DEPTH;
iga1_fifo_threshold = CN900_IGA1_FIFO_THRESHOLD;
iga1_fifo_high_threshold = CN900_IGA1_FIFO_HIGH_THRESHOLD;
if (horact > 1280 && veract > 1024)
iga1_display_queue_expire_num = 16;
else
iga1_display_queue_expire_num =
CN900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
/* XXX } */
/* set display FIFO depth select */
val = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth);
regnum =
display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num;
reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg;
uni_load_reg(sc, val, regnum, reg, VIASR);
/* set display FIFO threshold select */
val = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold);
regnum = fifo_threshold_select_reg.iga1_fifo_threshold_select_reg.reg_num;
reg = fifo_threshold_select_reg.iga1_fifo_threshold_select_reg.reg;
uni_load_reg(sc, val, regnum, reg, VIASR);
/* set display FIFO high threshold select */
val = IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold);
regnum = fifo_high_threshold_select_reg.iga1_fifo_high_threshold_select_reg.reg_num;
reg = fifo_high_threshold_select_reg.iga1_fifo_high_threshold_select_reg.reg;
uni_load_reg(sc, val, regnum, reg, VIASR);
/* set display queue expire num */
val = IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA(iga1_display_queue_expire_num);
regnum = display_queue_expire_num_reg.iga1_display_queue_expire_num_reg.reg_num;
reg = display_queue_expire_num_reg.iga1_display_queue_expire_num_reg.reg;
uni_load_reg(sc, val, regnum, reg, VIASR);
break;
default:
aprint_error_dev(sc->sc_dev, "%s: only IGA1 is supported\n",
__func__);
break;
}
return;
}
static void
uni_set_depth(struct unichromefb_softc *sc, int bpp, int iga)
{
switch (iga) {
case IGA1:
switch (bpp) {
case MODE_32BPP:
uni_wr_mask(sc, VIASR, SR15, 0xae, 0xfe);
break;
case MODE_16BPP:
uni_wr_mask(sc, VIASR, SR15, 0xb6, 0xfe);
break;
case MODE_8BPP:
uni_wr_mask(sc, VIASR, SR15, 0x22, 0xfe);
break;
default:
aprint_error_dev(sc->sc_dev,
"%s: mode (%d) unsupported\n", __func__, bpp);
}
break;
default:
aprint_error_dev(sc->sc_dev, "%s: only IGA1 is supported\n",
__func__);
break;
}
}
static uint32_t
uni_get_clkval(struct unichromefb_softc *sc, int clk)
{
int i;
for (i = 0; i < NUM_TOTAL_PLL_TABLE; i++) {
if (clk == pll_value[i].clk) {
/* XXX only CN900 supported for now */
return pll_value[i].k800_pll;
}
}
aprint_error_dev(sc->sc_dev, "can't find matching PLL value\n");
return 0;
}
static void
uni_set_vclk(struct unichromefb_softc *sc, uint32_t clk, int iga)
{
uint8_t val;
/* hardware reset on */
uni_wr_mask(sc, VIACR, CR17, 0x00, BIT7);
switch (iga) {
case IGA1:
/* XXX only CN900 is supported */
uni_wr(sc, VIASR, SR44, clk / 0x10000);
uni_wr(sc, VIASR, SR45, (clk & 0xffff) / 0x100);
uni_wr(sc, VIASR, SR46, clk % 0x100);
break;
default:
aprint_error_dev(sc->sc_dev, "%s: only IGA1 is supported\n",
__func__);
break;
}
/* hardware reset off */
uni_wr_mask(sc, VIACR, CR17, 0x80, BIT7);
/* reset pll */
switch (iga) {
case IGA1:
uni_wr_mask(sc, VIASR, SR40, 0x02, BIT1);
uni_wr_mask(sc, VIASR, SR40, 0x00, BIT1);
break;
}
/* good to go */
val = bus_space_read_1(sc->sc_iot, sc->sc_ioh, VIARMisc);
val |= (BIT2+BIT3);
bus_space_write_1(sc->sc_iot, sc->sc_ioh, VIAWMisc, val);
return;
}
static void
uni_init_dac(struct unichromefb_softc *sc, int iga)
{
int i;
/* XXX only IGA1 for now */
uni_wr_mask(sc, VIASR, SR1A, 0x00, BIT0);
uni_wr_mask(sc, VIASR, SR18, 0x00, BIT7+BIT6);
for (i = 0; i < 256; i++)
uni_wr_dac(sc, i,
palLUT_table[i].red, palLUT_table[i].green, palLUT_table[i].blue);
uni_wr_mask(sc, VIASR, SR18, 0xc0, BIT7+BIT6);
return;
}
static void
uni_init_accel(struct unichromefb_softc *sc)
{
/* init 2D engine regs to reset 2D engine */
MMIO_OUT32(VIA_REG_GEMODE, 0);
MMIO_OUT32(VIA_REG_SRCPOS, 0);
MMIO_OUT32(VIA_REG_DSTPOS, 0);
MMIO_OUT32(VIA_REG_DIMENSION, 0);
MMIO_OUT32(VIA_REG_PATADDR, 0);
MMIO_OUT32(VIA_REG_FGCOLOR, 0);
MMIO_OUT32(VIA_REG_BGCOLOR, 0);
MMIO_OUT32(VIA_REG_CLIPTL, 0);
MMIO_OUT32(VIA_REG_CLIPBR, 0);
MMIO_OUT32(VIA_REG_OFFSET, 0);
MMIO_OUT32(VIA_REG_KEYCONTROL, 0);
MMIO_OUT32(VIA_REG_SRCBASE, 0);
MMIO_OUT32(VIA_REG_DSTBASE, 0);
MMIO_OUT32(VIA_REG_PITCH, 0);
MMIO_OUT32(VIA_REG_MONOPAT1, 0);
/* init AGP and VQ registers */
MMIO_OUT32(VIA_REG_TRANSET, 0x00100000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x00000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x00333004);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x60000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x61000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x62000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x63000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x64000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x7d000000);
MMIO_OUT32(VIA_REG_TRANSET, 0xfe020000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x00000000);
/* disable VQ */
MMIO_OUT32(VIA_REG_TRANSET, 0x00fe0000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x00000004);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x40008c0f);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x44000000);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x45080c04);
MMIO_OUT32(VIA_REG_TRANSPACE, 0x46800408);
uni_set_accel_depth(sc);
MMIO_OUT32(VIA_REG_SRCBASE, 0);
MMIO_OUT32(VIA_REG_DSTBASE, 0);
MMIO_OUT32(VIA_REG_PITCH, VIA_PITCH_ENABLE |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) << 16)));
return;
}
static void
uni_set_accel_depth(struct unichromefb_softc *sc)
{
uint32_t gemode;
gemode = MMIO_IN32(0x04) & 0xfffffcff;
switch (sc->sc_depth) {
case 32:
gemode |= VIA_GEM_32bpp;
break;
case 16:
gemode |= VIA_GEM_16bpp;
break;
default:
gemode |= VIA_GEM_8bpp;
break;
}
/* set colour depth and pitch */
MMIO_OUT32(VIA_REG_GEMODE, gemode);
return;
}
static void
uni_wait_idle(struct unichromefb_softc *sc)
{
int loop = 0;
while (!(MMIO_IN32(VIA_REG_STATUS) & VIA_VR_QUEUE_BUSY) &&
(loop++ < MAXLOOP))
;
while ((MMIO_IN32(VIA_REG_STATUS) &
(VIA_CMD_RGTR_BUSY | VIA_2D_ENG_BUSY | VIA_3D_ENG_BUSY)) &&
(loop++ < MAXLOOP))
;
if (loop >= MAXLOOP)
aprint_error_dev(sc->sc_dev, "engine stall\n");
return;
}
static void
uni_fillrect(struct unichromefb_softc *sc, int x, int y, int width,
int height, int colour)
{
uni_wait_idle(sc);
MMIO_OUT32(VIA_REG_SRCPOS, 0);
MMIO_OUT32(VIA_REG_SRCBASE, 0);
MMIO_OUT32(VIA_REG_DSTBASE, 0);
MMIO_OUT32(VIA_REG_PITCH, VIA_PITCH_ENABLE |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) << 16)));
MMIO_OUT32(VIA_REG_DSTPOS, ((y << 16) | x));
MMIO_OUT32(VIA_REG_DIMENSION,
(((height - 1) << 16) | (width - 1)));
MMIO_OUT32(VIA_REG_FGCOLOR, colour);
MMIO_OUT32(VIA_REG_GECMD, (0x01 | 0x2000 | 0xf0 << 24));
return;
}
static void
uni_rectinvert(struct unichromefb_softc *sc, int x, int y, int width,
int height)
{
uni_wait_idle(sc);
MMIO_OUT32(VIA_REG_SRCPOS, 0);
MMIO_OUT32(VIA_REG_SRCBASE, 0);
MMIO_OUT32(VIA_REG_DSTBASE, 0);
MMIO_OUT32(VIA_REG_PITCH, VIA_PITCH_ENABLE |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) << 16)));
MMIO_OUT32(VIA_REG_DSTPOS, ((y << 16) | x));
MMIO_OUT32(VIA_REG_DIMENSION,
(((height - 1) << 16) | (width - 1)));
MMIO_OUT32(VIA_REG_GECMD, (0x01 | 0x2000 | 0x55 << 24));
return;
}
static void
uni_bitblit(struct unichromefb_softc *sc, int xs, int ys, int xd, int yd, int width, int height)
{
uint32_t dir;
dir = 0;
if (ys < yd) {
yd += height - 1;
ys += height - 1;
dir |= 0x4000;
}
if (xs < xd) {
xd += width - 1;
xs += width - 1;
dir |= 0x8000;
}
uni_wait_idle(sc);
MMIO_OUT32(VIA_REG_SRCBASE, 0);
MMIO_OUT32(VIA_REG_DSTBASE, 0);
MMIO_OUT32(VIA_REG_PITCH, VIA_PITCH_ENABLE |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) << 16)));
MMIO_OUT32(VIA_REG_SRCPOS, ys << 16 | xs);
MMIO_OUT32(VIA_REG_DSTPOS, yd << 16 | xd);
MMIO_OUT32(VIA_REG_DIMENSION, ((height - 1) << 16) | (width - 1));
MMIO_OUT32(VIA_REG_GECMD, (0x01 | dir | (0xcc << 24)));
return;
}
static void
uni_setup_mono(struct unichromefb_softc *sc, int xd, int yd, int width, int height,
uint32_t fg, uint32_t bg)
{
uni_wait_idle(sc);
MMIO_OUT32(VIA_REG_SRCBASE, 0);
MMIO_OUT32(VIA_REG_DSTBASE, 0);
MMIO_OUT32(VIA_REG_PITCH, VIA_PITCH_ENABLE |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) |
(((sc->sc_width * sc->sc_depth >> 3) >> 3) << 16)));
MMIO_OUT32(VIA_REG_SRCPOS, 0);
MMIO_OUT32(VIA_REG_DSTPOS, (yd << 16) | xd);
MMIO_OUT32(VIA_REG_DIMENSION, ((height - 1) << 16) | (width - 1));
MMIO_OUT32(VIA_REG_FGCOLOR, fg);
MMIO_OUT32(VIA_REG_BGCOLOR, bg);
MMIO_OUT32(VIA_REG_GECMD, 0xcc020142);
return;
}
#if notyet
static void
uni_cursor_show(struct unichromefb_softc *sc)
{
uint32_t val;
val = MMIO_IN32(VIA_REG_CURSOR_MODE);
val |= 1;
MMIO_OUT32(VIA_REG_CURSOR_MODE, val);
return;
}
static void
uni_cursor_hide(struct unichromefb_softc *sc)
{
uint32_t val;
val = MMIO_IN32(VIA_REG_CURSOR_MODE);
val &= 0xfffffffe;
MMIO_OUT32(VIA_REG_CURSOR_MODE, val);
return;
}
#endif
/*
* rasops glue
*/
static void
uni_copycols(void *opaque, int row, int srccol, int dstcol, int ncols)
{
struct rasops_info *ri;
struct vcons_screen *scr;
struct unichromefb_softc *sc;
int xs, xd, y, width, height;
ri = (struct rasops_info *)opaque;
scr = (struct vcons_screen *)ri->ri_hw;
sc = (struct unichromefb_softc *)scr->scr_cookie;
if (sc->sc_wsmode == WSDISPLAYIO_MODE_EMUL) {
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;
uni_bitblit(sc, xs, y, xd, y, width, height);
}
return;
}
static void
uni_copyrows(void *opaque, int srcrow, int dstrow, int nrows)
{
struct rasops_info *ri;
struct vcons_screen *scr;
struct unichromefb_softc *sc;
int x, ys, yd, width, height;
ri = (struct rasops_info *)opaque;
scr = (struct vcons_screen *)ri->ri_hw;
sc = (struct unichromefb_softc *)scr->scr_cookie;
if (sc->sc_wsmode == WSDISPLAYIO_MODE_EMUL) {
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;
uni_bitblit(sc, x, ys, x, yd, width, height);
}
return;
}
static void
uni_erasecols(void *opaque, int row, int startcol, int ncols, long fillattr)
{
struct rasops_info *ri;
struct vcons_screen *scr;
struct unichromefb_softc *sc;
int x, y, width, height, fg, bg, ul;
ri = (struct rasops_info *)opaque;
scr = (struct vcons_screen *)ri->ri_hw;
sc = (struct unichromefb_softc *)scr->scr_cookie;
if (sc->sc_wsmode == WSDISPLAYIO_MODE_EMUL) {
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;
rasops_unpack_attr(fillattr, &fg, &bg, &ul);
uni_fillrect(sc, x, y, width, height, ri->ri_devcmap[bg]);
}
return;
}
static void
uni_eraserows(void *opaque, int row, int nrows, long fillattr)
{
struct rasops_info *ri;
struct vcons_screen *scr;
struct unichromefb_softc *sc;
int x, y, width, height, fg, bg, ul;
ri = (struct rasops_info *)opaque;
scr = (struct vcons_screen *)ri->ri_hw;
sc = (struct unichromefb_softc *)scr->scr_cookie;
if (sc->sc_wsmode == WSDISPLAYIO_MODE_EMUL) {
rasops_unpack_attr(fillattr, &fg, &bg, &ul);
if ((row == 0) && (nrows == ri->ri_rows)) {
/* clear the whole screen */
uni_fillrect(sc, 0, 0, ri->ri_width,
ri->ri_height, ri->ri_devcmap[bg]);
} else {
x = ri->ri_xorigin;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
width = ri->ri_emuwidth;
height = ri->ri_font->fontheight * nrows;
uni_fillrect(sc, x, y, width, height,
ri->ri_devcmap[bg]);
}
}
return;
}
static void
uni_cursor(void *opaque, int on, int row, int col)
{
struct rasops_info *ri;
struct vcons_screen *scr;
struct unichromefb_softc *sc;
int x, y, wi, he;
ri = (struct rasops_info *)opaque;
scr = (struct vcons_screen *)ri->ri_hw;
sc = (struct unichromefb_softc *)scr->scr_cookie;
uni_wait_idle(sc);
wi = ri->ri_font->fontwidth;
he = ri->ri_font->fontheight;
if (sc->sc_wsmode == WSDISPLAYIO_MODE_EMUL) {
x = ri->ri_ccol * wi + ri->ri_xorigin;
y = ri->ri_crow * he + ri->ri_yorigin;
if (ri->ri_flg & RI_CURSOR) {
uni_rectinvert(sc, x, y, wi, he);
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;
uni_rectinvert(sc, x, y, wi, he);
ri->ri_flg |= RI_CURSOR;
}
} else {
ri->ri_flg &= ~RI_CURSOR;
ri->ri_crow = row;
ri->ri_ccol = col;
}
return;
}
static void
uni_putchar(void *opaque, int row, int col, u_int c, long attr)
{
struct rasops_info *ri;
struct vcons_screen *scr;
struct unichromefb_softc *sc;
ri = (struct rasops_info *)opaque;
scr = (struct vcons_screen *)ri->ri_hw;
sc = (struct unichromefb_softc *)scr->scr_cookie;
if (sc->sc_wsmode == WSDISPLAYIO_MODE_EMUL) {
uint32_t *data;
int fg, bg, ul, uc, i;
int x, y, wi, he;
wi = ri->ri_font->fontwidth;
he = ri->ri_font->fontheight;
if (!CHAR_IN_FONT(c, ri->ri_font))
return;
rasops_unpack_attr(attr, &fg, &bg, &ul);
x = ri->ri_xorigin + col * wi;
y = ri->ri_yorigin + row * he;
if (c == 0x20)
uni_fillrect(sc, x, y, wi, he, ri->ri_devcmap[bg]);
else {
uc = c - ri->ri_font->firstchar;
data = (uint32_t *)((uint8_t *)ri->ri_font->data +
uc * ri->ri_fontscale);
uni_setup_mono(sc, x, y, wi, he,
ri->ri_devcmap[fg], ri->ri_devcmap[bg]);
for (i = 0; i < (wi * he) / 4; i++) {
MMIO_OUT32(VIA_MMIO_BLTBASE, *data);
data++;
}
}
}
return;
}
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