NetBSD/sys/dev/splash/splash.c

436 lines
9.8 KiB
C

/* $NetBSD: splash.c,v 1.7 2009/05/12 14:45:43 cegger Exp $ */
/*-
* Copyright (c) 2006 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: splash.c,v 1.7 2009/05/12 14:45:43 cegger Exp $");
#include "opt_splash.h"
/* XXX */
#define NSPLASH8 1
#define NSPLASH16 1
#define NSPLASH32 1
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/kthread.h>
#include <dev/splash/splash.h>
#if !defined(SPLASHSCREEN) && defined(SPLASHSCREEN_PROGRESS)
#error "options SPLASHSCREEN_PROGRESS requires SPLASHSCREEN"
#endif
#ifdef __HAVE_CPU_COUNTER
#include <sys/cpu.h>
#include <machine/cpu_counter.h>
#endif
#ifndef SPLASHSCREEN_IMAGE
#define SPLASHSCREEN_IMAGE "dev/splash/images/netbsd.h"
#endif
#ifdef SPLASHSCREEN
#include SPLASHSCREEN_IMAGE
#ifdef SPLASHSCREEN_PROGRESS
struct splash_progress *splash_progress_state;
#ifdef __HAVE_CPU_COUNTER
static uint64_t splash_last_update;
#endif
#endif
#if NSPLASH8 > 0
static void splash_render8(struct splash_info *, const char *, int,
int, int, int, int);
#endif
#if NSPLASH16 > 0
static void splash_render16(struct splash_info *, const char *, int,
int, int, int, int);
#endif
#if NSPLASH32 > 0
static void splash_render32(struct splash_info *, const char *, int,
int, int, int, int);
#endif
void
splash_render(struct splash_info *si, int flg)
{
int xoff, yoff;
/* XXX */
if (flg & SPLASH_F_CENTER) {
xoff = (si->si_width - _splash_width) / 2;
yoff = (si->si_height - _splash_height) / 2;
} else
xoff = yoff = 0;
switch (si->si_depth) {
#if NSPLASH8 > 0
case 8:
splash_render8(si, _splash_header_data, xoff, yoff,
_splash_width, _splash_height, flg);
break;
#endif
#if NSPLASH16 > 0
case 16:
splash_render16(si, _splash_header_data, xoff, yoff,
_splash_width, _splash_height, flg);
break;
#endif
#if NSPLASH32 > 0
case 32:
splash_render32(si, _splash_header_data, xoff, yoff,
_splash_width, _splash_height, flg);
break;
#endif
default:
aprint_error("WARNING: Splash not supported at %dbpp\n",
si->si_depth);
break;
}
return;
}
#if NSPLASH8 > 0
static void
splash_render8(struct splash_info *si, const char *data, int xoff, int yoff,
int swidth, int sheight, int flg)
{
const char *p;
u_char *fb, pix;
int x, y, i;
int filled;
fb = si->si_bits;
if (flg & SPLASH_F_FILL)
filled = 0;
else
filled = 1;
p = data;
fb += xoff + (yoff * si->si_width);
for (y = 0; y < sheight; y++) {
for (x = 0; x < swidth; x++) {
pix = *p++;
pix += SPLASH_CMAP_OFFSET;
if (filled == 0) {
for (i = 0; i < (si->si_width * si->si_height);
i++)
si->si_bits[i] = pix;
filled = 1;
}
fb[x] = pix;
}
fb += si->si_width;
}
/* If we've just written to the shadow fb, copy it to the display */
if (si->si_hwbits) {
if (flg & SPLASH_F_FILL) {
memcpy(si->si_hwbits, si->si_bits,
si->si_width*si->si_height);
} else {
u_char *rp, *hrp;
rp = si->si_bits + xoff + (yoff * si->si_width);
hrp = si->si_hwbits + xoff + (yoff * si->si_width);
for (y = 0; y < sheight; y++) {
memcpy(hrp, rp, swidth);
hrp += si->si_stride;
rp += si->si_stride;
}
}
}
return;
}
#endif /* !NSPLASH8 > 0 */
#if NSPLASH16 > 0
#define RGBTO16(b, o, x, c) \
do { \
uint16_t *_ptr = (uint16_t *)(&(b)[(o)]); \
*_ptr = (((c)[(x)*3+0] / 8) << 11) | \
(((c)[(x)*3+1] / 4) << 5) | \
(((c)[(x)*3+2] / 8) << 0); \
} while (0)
static void
splash_render16(struct splash_info *si, const char *data, int xoff, int yoff,
int swidth, int sheight, int flg)
{
const char *d;
u_char *fb, *p;
u_char pix[3];
int x, y, i;
int filled;
fb = si->si_bits;
if (flg & SPLASH_F_FILL)
filled = 0;
else
filled = 1;
d = data;
fb += xoff * 2 + yoff * si->si_stride;
for (y = 0; y < sheight; y++) {
for (x = 0; x < swidth; x++) {
_SPLASH_HEADER_PIXEL(d, pix);
if (filled == 0) {
p = si->si_bits;
i = 0;
while (i < si->si_height*si->si_stride) {
RGBTO16(p, i, 0, pix);
i += 2;
}
filled = 1;
}
RGBTO16(fb, x*2, 0, pix);
}
fb += si->si_stride;
}
/* If we've just written to the shadow fb, copy it to the display */
if (si->si_hwbits) {
if (flg & SPLASH_F_FILL) {
memcpy(si->si_hwbits, si->si_bits,
si->si_height*si->si_stride);
} else {
u_char *rp, *hrp;
rp = si->si_bits + (xoff * 2) + (yoff * si->si_stride);
hrp = si->si_hwbits + (xoff * 2) +
(yoff * si->si_stride);
for (y = 0; y < sheight; y++) {
memcpy(hrp, rp, swidth * 2);
rp += si->si_stride;
hrp += si->si_stride;
}
}
}
return;
}
#undef RGBTO16
#endif /* !NSPLASH16 > 0 */
#if NSPLASH32 > 0
static void
splash_render32(struct splash_info *si, const char *data, int xoff, int yoff,
int swidth, int sheight, int flg)
{
const char *d;
u_char *fb, *p;
u_char pix[3];
int x, y, i;
int filled;
fb = si->si_bits;
if (flg & SPLASH_F_FILL)
filled = 0;
else
filled = 1;
d = data;
fb += xoff * 4 + yoff * si->si_stride;
for (y = 0; y < sheight; y++) {
for (x = 0; x < swidth; x++) {
_SPLASH_HEADER_PIXEL(d, pix);
if (filled == 0) {
p = si->si_bits;
i = 0;
while (i < si->si_height*si->si_stride) {
p[i++] = pix[2];
p[i++] = pix[1];
p[i++] = pix[0];
p[i++] = 0;
}
filled = 1;
}
fb[x*4+0] = pix[2];
fb[x*4+1] = pix[1];
fb[x*4+2] = pix[0];
fb[x*4+3] = 0;
}
fb += si->si_stride;
}
/* If we've just written to the shadow fb, copy it to the display */
if (si->si_hwbits) {
if (flg & SPLASH_F_FILL) {
memcpy(si->si_hwbits, si->si_bits,
si->si_height*si->si_stride);
} else {
u_char *rp, *hrp;
rp = si->si_bits + (xoff * 4) + (yoff * si->si_stride);
hrp = si->si_hwbits + (xoff * 4) +
(yoff * si->si_stride);
for (y = 0; y < sheight; y++) {
memcpy(hrp, rp, swidth * 4);
rp += si->si_stride;
hrp += si->si_stride;
}
}
}
return;
}
#endif /* !NSPLASH32 > 0 */
#ifdef SPLASHSCREEN_PROGRESS
static void
splash_progress_render(struct splash_progress *sp)
{
struct splash_info *si;
int i;
int w;
int spacing;
int xoff;
int yoff;
int flg;
si = sp->sp_si;
flg = 0;
/* where should we draw the pulsers? */
yoff = (si->si_height / 8) * 7;
w = _pulse_off_width * SPLASH_PROGRESS_NSTATES;
xoff = (si->si_width / 4) * 3;
spacing = _pulse_off_width; /* XXX */
for (i = 0; i < SPLASH_PROGRESS_NSTATES; i++) {
const char *d = (sp->sp_state == i ? _pulse_on_header_data :
_pulse_off_header_data);
switch (si->si_depth) {
#if NSPLASH8 > 0
case 8:
splash_render8(si, d, (xoff + (i * spacing)),
yoff, _pulse_off_width, _pulse_off_height, flg);
break;
#endif
#if NSPLASH16 > 0
case 16:
splash_render16(si, d, (xoff + (i * spacing)),
yoff, _pulse_off_width, _pulse_off_height, flg);
break;
#endif
#if NSPLASH32 > 0
case 32:
splash_render32(si, d, (xoff + (i * spacing)),
yoff, _pulse_off_width, _pulse_off_height, flg);
break;
#endif
default:
/* do nothing */
break;
}
}
}
static int
splash_progress_stop(device_t dev)
{
struct splash_progress *sp;
sp = (struct splash_progress *)dev;
sp->sp_running = 0;
return 0;
}
void
splash_progress_init(struct splash_progress *sp)
{
#ifdef __HAVE_CPU_COUNTER
if (cpu_hascounter())
splash_last_update = cpu_counter();
else
splash_last_update = 0;
#endif
sp->sp_running = 1;
sp->sp_force = 0;
splash_progress_state = sp;
splash_progress_render(sp);
config_finalize_register((device_t)sp, splash_progress_stop);
return;
}
void
splash_progress_update(struct splash_progress *sp)
{
if (sp->sp_running == 0 && sp->sp_force == 0)
return;
#ifdef __HAVE_CPU_COUNTER
if (cpu_hascounter()) {
uint64_t now;
if (splash_last_update == 0) {
splash_last_update = cpu_counter();
} else {
now = cpu_counter();
if (splash_last_update + cpu_frequency(curcpu())/4 >
now)
return;
splash_last_update = now;
}
}
#endif
sp->sp_state++;
if (sp->sp_state >= SPLASH_PROGRESS_NSTATES)
sp->sp_state = 0;
splash_progress_render(sp);
}
#endif /* !SPLASHSCREEN_PROGRESS */
#endif /* !SPLASHSCREEN */