437 lines
9.8 KiB
C
437 lines
9.8 KiB
C
/* $NetBSD: splash.c,v 1.8 2010/02/22 05:55:10 ahoka Exp $ */
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/*-
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* Copyright (c) 2006 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: splash.c,v 1.8 2010/02/22 05:55:10 ahoka Exp $");
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#include "opt_splash.h"
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/* XXX */
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#define NSPLASH8 1
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#define NSPLASH16 1
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#define NSPLASH32 1
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/kernel.h>
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#include <sys/kthread.h>
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#include <dev/splash/splash.h>
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#if !defined(SPLASHSCREEN) && defined(SPLASHSCREEN_PROGRESS)
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#error "options SPLASHSCREEN_PROGRESS requires SPLASHSCREEN"
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#endif
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#ifdef __HAVE_CPU_COUNTER
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#include <sys/cpu.h>
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#include <machine/cpu_counter.h>
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#endif
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#ifndef SPLASHSCREEN_IMAGE
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#define SPLASHSCREEN_IMAGE "dev/splash/images/netbsd.h"
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#endif
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#ifdef SPLASHSCREEN
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#include SPLASHSCREEN_IMAGE
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#ifdef SPLASHSCREEN_PROGRESS
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struct splash_progress *splash_progress_state;
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#ifdef __HAVE_CPU_COUNTER
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static uint64_t splash_last_update;
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#endif
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#endif
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#if NSPLASH8 > 0
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static void splash_render8(struct splash_info *, const char *, int,
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int, int, int, int);
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#endif
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#if NSPLASH16 > 0
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static void splash_render16(struct splash_info *, const char *, int,
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int, int, int, int);
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#endif
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#if NSPLASH32 > 0
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static void splash_render32(struct splash_info *, const char *, int,
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int, int, int, int);
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#endif
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void
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splash_render(struct splash_info *si, int flg)
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{
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int xoff, yoff;
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/* XXX */
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if (flg & SPLASH_F_CENTER) {
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xoff = (si->si_width - _splash_width) / 2;
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yoff = (si->si_height - _splash_height) / 2;
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} else
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xoff = yoff = 0;
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switch (si->si_depth) {
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#if NSPLASH8 > 0
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case 8:
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splash_render8(si, _splash_header_data, xoff, yoff,
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_splash_width, _splash_height, flg);
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break;
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#endif
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#if NSPLASH16 > 0
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case 16:
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splash_render16(si, _splash_header_data, xoff, yoff,
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_splash_width, _splash_height, flg);
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break;
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#endif
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#if NSPLASH32 > 0
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case 32:
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splash_render32(si, _splash_header_data, xoff, yoff,
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_splash_width, _splash_height, flg);
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break;
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#endif
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default:
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aprint_error("WARNING: Splash not supported at %dbpp\n",
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si->si_depth);
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break;
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}
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return;
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}
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#if NSPLASH8 > 0
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static void
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splash_render8(struct splash_info *si, const char *data, int xoff, int yoff,
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int swidth, int sheight, int flg)
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{
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const char *p;
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u_char *fb, pix;
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int x, y, i;
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int filled;
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fb = si->si_bits;
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if (flg & SPLASH_F_FILL)
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filled = 0;
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else
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filled = 1;
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p = data;
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fb += xoff + (yoff * si->si_width);
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for (y = 0; y < sheight; y++) {
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for (x = 0; x < swidth; x++) {
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pix = *p++;
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pix += SPLASH_CMAP_OFFSET;
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if (filled == 0) {
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for (i = 0; i < (si->si_width * si->si_height);
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i++)
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si->si_bits[i] = pix;
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filled = 1;
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}
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fb[x] = pix;
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}
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fb += si->si_width;
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}
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/* If we've just written to the shadow fb, copy it to the display */
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if (si->si_hwbits) {
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if (flg & SPLASH_F_FILL) {
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memcpy(si->si_hwbits, si->si_bits,
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si->si_width*si->si_height);
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} else {
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u_char *rp, *hrp;
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rp = si->si_bits + xoff + (yoff * si->si_width);
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hrp = si->si_hwbits + xoff + (yoff * si->si_width);
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for (y = 0; y < sheight; y++) {
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memcpy(hrp, rp, swidth);
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hrp += si->si_stride;
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rp += si->si_stride;
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}
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}
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}
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return;
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}
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#endif /* !NSPLASH8 > 0 */
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#if NSPLASH16 > 0
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#define RGBTO16(b, o, x, c) \
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do { \
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uint16_t *_ptr = (uint16_t *)(&(b)[(o)]); \
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*_ptr = (((c)[(x)*3+0] / 8) << 11) | \
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(((c)[(x)*3+1] / 4) << 5) | \
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(((c)[(x)*3+2] / 8) << 0); \
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} while (0)
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static void
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splash_render16(struct splash_info *si, const char *data, int xoff, int yoff,
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int swidth, int sheight, int flg)
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{
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const char *d;
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u_char *fb, *p;
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u_char pix[3];
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int x, y, i;
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int filled;
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fb = si->si_bits;
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if (flg & SPLASH_F_FILL)
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filled = 0;
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else
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filled = 1;
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d = data;
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fb += xoff * 2 + yoff * si->si_stride;
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for (y = 0; y < sheight; y++) {
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for (x = 0; x < swidth; x++) {
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_SPLASH_HEADER_PIXEL(d, pix);
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if (filled == 0) {
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p = si->si_bits;
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i = 0;
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while (i < si->si_height*si->si_stride) {
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RGBTO16(p, i, 0, pix);
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i += 2;
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}
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filled = 1;
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}
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RGBTO16(fb, x*2, 0, pix);
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}
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fb += si->si_stride;
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}
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/* If we've just written to the shadow fb, copy it to the display */
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if (si->si_hwbits) {
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if (flg & SPLASH_F_FILL) {
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memcpy(si->si_hwbits, si->si_bits,
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si->si_height*si->si_stride);
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} else {
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u_char *rp, *hrp;
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rp = si->si_bits + (xoff * 2) + (yoff * si->si_stride);
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hrp = si->si_hwbits + (xoff * 2) +
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(yoff * si->si_stride);
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for (y = 0; y < sheight; y++) {
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memcpy(hrp, rp, swidth * 2);
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rp += si->si_stride;
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hrp += si->si_stride;
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}
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}
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}
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return;
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}
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#undef RGBTO16
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#endif /* !NSPLASH16 > 0 */
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#if NSPLASH32 > 0
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static void
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splash_render32(struct splash_info *si, const char *data, int xoff, int yoff,
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int swidth, int sheight, int flg)
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{
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const char *d;
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u_char *fb, *p;
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u_char pix[3];
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int x, y, i;
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int filled;
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fb = si->si_bits;
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if (flg & SPLASH_F_FILL)
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filled = 0;
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else
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filled = 1;
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d = data;
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fb += xoff * 4 + yoff * si->si_stride;
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for (y = 0; y < sheight; y++) {
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for (x = 0; x < swidth; x++) {
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_SPLASH_HEADER_PIXEL(d, pix);
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if (filled == 0) {
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p = si->si_bits;
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i = 0;
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while (i < si->si_height*si->si_stride) {
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p[i++] = pix[2];
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p[i++] = pix[1];
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p[i++] = pix[0];
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p[i++] = 0;
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}
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filled = 1;
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}
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fb[x*4+0] = pix[2];
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fb[x*4+1] = pix[1];
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fb[x*4+2] = pix[0];
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fb[x*4+3] = 0;
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}
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fb += si->si_stride;
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}
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/* If we've just written to the shadow fb, copy it to the display */
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if (si->si_hwbits) {
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if (flg & SPLASH_F_FILL) {
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memcpy(si->si_hwbits, si->si_bits,
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si->si_height*si->si_stride);
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} else {
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u_char *rp, *hrp;
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rp = si->si_bits + (xoff * 4) + (yoff * si->si_stride);
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hrp = si->si_hwbits + (xoff * 4) +
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(yoff * si->si_stride);
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for (y = 0; y < sheight; y++) {
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memcpy(hrp, rp, swidth * 4);
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rp += si->si_stride;
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hrp += si->si_stride;
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}
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}
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}
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return;
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}
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#endif /* !NSPLASH32 > 0 */
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#ifdef SPLASHSCREEN_PROGRESS
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static void
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splash_progress_render(struct splash_progress *sp)
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{
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struct splash_info *si;
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int i;
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int w;
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int spacing;
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int xoff;
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int yoff;
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int flg;
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si = sp->sp_si;
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flg = 0;
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/* where should we draw the pulsers? */
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yoff = (si->si_height / 8) * 7;
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w = _pulse_off_width * SPLASH_PROGRESS_NSTATES;
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xoff = (si->si_width / 4) * 3;
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spacing = _pulse_off_width; /* XXX */
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for (i = 0; i < SPLASH_PROGRESS_NSTATES; i++) {
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const char *d = (sp->sp_state == i ? _pulse_on_header_data :
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_pulse_off_header_data);
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switch (si->si_depth) {
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#if NSPLASH8 > 0
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case 8:
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splash_render8(si, d, (xoff + (i * spacing)),
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yoff, _pulse_off_width, _pulse_off_height, flg);
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break;
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#endif
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#if NSPLASH16 > 0
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case 16:
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splash_render16(si, d, (xoff + (i * spacing)),
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yoff, _pulse_off_width, _pulse_off_height, flg);
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break;
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#endif
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#if NSPLASH32 > 0
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case 32:
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splash_render32(si, d, (xoff + (i * spacing)),
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yoff, _pulse_off_width, _pulse_off_height, flg);
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break;
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#endif
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default:
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/* do nothing */
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break;
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}
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}
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}
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static int
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splash_progress_stop(device_t dev)
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{
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struct splash_progress *sp;
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sp = (struct splash_progress *)dev;
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sp->sp_running = 0;
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return 0;
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}
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void
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splash_progress_init(struct splash_progress *sp)
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{
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#ifdef __HAVE_CPU_COUNTER
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if (cpu_hascounter())
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splash_last_update = cpu_counter();
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else
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splash_last_update = 0;
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#endif
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sp->sp_running = 1;
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sp->sp_force = 0;
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splash_progress_state = sp;
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splash_progress_render(sp);
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config_finalize_register((device_t)sp, splash_progress_stop);
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return;
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}
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void
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splash_progress_update(struct splash_progress *sp)
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{
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if (sp->sp_running == 0 && sp->sp_force == 0)
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return;
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#ifdef __HAVE_CPU_COUNTER
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if (cpu_hascounter()) {
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uint64_t now;
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if (splash_last_update == 0) {
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splash_last_update = cpu_counter();
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} else {
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now = cpu_counter();
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if (splash_last_update + cpu_frequency(curcpu())/4 >
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now)
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return;
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splash_last_update = now;
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}
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}
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#endif
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sp->sp_state++;
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if (sp->sp_state >= SPLASH_PROGRESS_NSTATES)
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sp->sp_state = 0;
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splash_progress_render(sp);
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}
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#endif /* !SPLASHSCREEN_PROGRESS */
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#endif /* !SPLASHSCREEN */
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