595 lines
14 KiB
C
595 lines
14 KiB
C
/* $NetBSD: bicons.c,v 1.10 2005/12/11 12:21:22 christos Exp $ */
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/*-
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* Copyright (c) 1999-2001
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* Shin Takemura and PocketBSD Project. 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 PocketBSD project
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* and its contributors.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bicons.c,v 1.10 2005/12/11 12:21:22 christos Exp $");
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#define HALF_FONT
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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/conf.h>
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#include <dev/cons.h>
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#include <machine/bootinfo.h>
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#include <machine/bus.h>
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#include <machine/platid.h>
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#include <machine/stdarg.h>
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#include <dev/hpc/biconsvar.h>
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#include <dev/hpc/bicons.h>
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extern u_int8_t font_clR8x8_data[];
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#define FONT_HEIGHT 8
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#define FONT_WIDTH 1
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static void put_oxel_D2_M2L_3(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D2_M2L_3x2(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D2_M2L_0(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D2_M2L_0x2(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D4_M2L_F(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D4_M2L_Fx2(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D4_M2L_0(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D4_M2L_0x2(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D8_00(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D8_FF(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D16_0000(u_int8_t *, u_int8_t, u_int8_t);
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static void put_oxel_D16_FFFF(u_int8_t *, u_int8_t, u_int8_t);
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static const struct {
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int type;
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const char *name;
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void (*func)(u_int8_t *, u_int8_t, u_int8_t);
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u_int8_t clear_byte;
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int16_t oxel_bytes;
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} fb_table[] = {
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{ BIFB_D2_M2L_3, BIFBN_D2_M2L_3,
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put_oxel_D2_M2L_3, 0, 2 },
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{ BIFB_D2_M2L_3x2, BIFBN_D2_M2L_3x2,
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put_oxel_D2_M2L_3x2, 0, 1 },
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{ BIFB_D2_M2L_0, BIFBN_D2_M2L_0,
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put_oxel_D2_M2L_0, 0xff, 2 },
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{ BIFB_D2_M2L_0x2, BIFBN_D2_M2L_0x2,
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put_oxel_D2_M2L_0x2, 0xff, 1 },
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{ BIFB_D4_M2L_F, BIFBN_D4_M2L_F,
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put_oxel_D4_M2L_F, 0x00, 4 },
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{ BIFB_D4_M2L_Fx2, BIFBN_D4_M2L_Fx2,
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put_oxel_D4_M2L_Fx2, 0x00, 2 },
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{ BIFB_D4_M2L_0, BIFBN_D4_M2L_0,
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put_oxel_D4_M2L_0, 0xff, 4 },
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{ BIFB_D4_M2L_0x2, BIFBN_D4_M2L_0x2,
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put_oxel_D4_M2L_0x2, 0xff, 2 },
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{ BIFB_D8_00, BIFBN_D8_00,
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put_oxel_D8_00, 0xff, 8 },
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{ BIFB_D8_FF, BIFBN_D8_FF,
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put_oxel_D8_FF, 0x00, 8 },
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{ BIFB_D16_0000, BIFBN_D16_0000,
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put_oxel_D16_0000, 0xff, 16 },
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{ BIFB_D16_FFFF, BIFBN_D16_FFFF,
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put_oxel_D16_FFFF, 0x00, 16 },
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};
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#define FB_TABLE_SIZE (sizeof(fb_table) / sizeof(*fb_table))
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static u_int8_t *fb_vram;
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static int16_t fb_line_bytes;
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static u_int8_t fb_clear_byte;
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int16_t bicons_ypixel;
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int16_t bicons_xpixel;
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#ifdef HALF_FONT
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static int16_t fb_oxel_bytes = 1;
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int16_t bicons_width = 80;
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void (*fb_put_oxel)(u_int8_t *, u_int8_t, u_int8_t) = put_oxel_D2_M2L_3x2;
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#else /* HALF_FONT */
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static int16_t fb_oxel_bytes = 2;
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int16_t bicons_width = 40;
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void (*fb_put_oxel)(u_int8_t *, u_int8_t, u_int8_t) = put_oxel_D2_M2L_3;
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#endif /* HALF_FONT */
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int16_t bicons_height;
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static int16_t curs_x;
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static int16_t curs_y;
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static int bicons_priority;
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int biconscninit(struct consdev *);
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void biconscnprobe(struct consdev *);
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void biconscnputc(dev_t, int);
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int biconscngetc(dev_t); /* harmless place holder */
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static void draw_char(int, int, int);
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static void clear(int, int);
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static void scroll(int, int, int);
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static void bicons_puts(const char *);
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static void bicons_printf(const char *, ...) __attribute__((__unused__));
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int
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bicons_init(struct consdev *cndev)
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{
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if (biconscninit(cndev) != 0)
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return (1);
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biconscnprobe(cndev);
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return (0); /* success */
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}
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int
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biconscninit(struct consdev *cndev)
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{
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int fb_index = -1;
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if (bootinfo->fb_addr == 0) {
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/* Bootinfo don't have frame buffer address */
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return (1);
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}
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for (fb_index = 0; fb_index < FB_TABLE_SIZE; fb_index++)
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if (fb_table[fb_index].type == bootinfo->fb_type)
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break;
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if (FB_TABLE_SIZE <= fb_index || fb_index == -1) {
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/* Unknown frame buffer type, don't enable bicons. */
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return (1);
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}
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fb_vram = (u_int8_t *)bootinfo->fb_addr;
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fb_line_bytes = bootinfo->fb_line_bytes;
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bicons_xpixel = bootinfo->fb_width;
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bicons_ypixel = bootinfo->fb_height;
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fb_put_oxel = fb_table[fb_index].func;
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fb_clear_byte = fb_table[fb_index].clear_byte;
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fb_oxel_bytes = fb_table[fb_index].oxel_bytes;
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bicons_width = bicons_xpixel / (8 * FONT_WIDTH);
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bicons_height = bicons_ypixel / FONT_HEIGHT;
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clear(0, bicons_ypixel);
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curs_x = 0;
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curs_y = 0;
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bicons_puts("builtin console type = ");
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bicons_puts(fb_table[fb_index].name);
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bicons_puts("\n");
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return (0);
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}
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void
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biconscnprobe(struct consdev *cndev)
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{
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extern const struct cdevsw biconsdev_cdevsw;
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int maj;
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/* locate the major number */
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maj = cdevsw_lookup_major(&biconsdev_cdevsw);
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cndev->cn_dev = makedev(maj, 0);
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cndev->cn_pri = bicons_priority;
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}
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void
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bicons_set_priority(int priority)
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{
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bicons_priority = priority;
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}
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int
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biconscngetc(dev_t dev)
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{
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printf("no input method. reboot me.\n");
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while (1)
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;
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/* NOTREACHED */
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}
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void
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biconscnputc(dev_t dev, int c)
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{
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int line_feed = 0;
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switch (c) {
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case 0x08: /* back space */
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if (--curs_x < 0) {
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curs_x = 0;
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}
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/* erase character ar cursor position */
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draw_char(curs_x, curs_y, ' ');
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break;
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case '\r':
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curs_x = 0;
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break;
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case '\n':
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curs_x = 0;
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line_feed = 1;
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break;
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default:
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draw_char(curs_x, curs_y, c);
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if (bicons_width <= ++curs_x) {
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curs_x = 0;
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line_feed = 1;
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}
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}
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if (line_feed) {
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if (bicons_height <= ++curs_y) {
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/* scroll up */
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scroll(FONT_HEIGHT, (bicons_height - 1) * FONT_HEIGHT,
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- FONT_HEIGHT);
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clear((bicons_height - 1) * FONT_HEIGHT, FONT_HEIGHT);
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curs_y--;
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}
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}
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}
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void
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bicons_puts(const char *s)
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{
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while (*s)
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biconscnputc(0, *s++);
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}
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void
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bicons_putn(const char *s, int n)
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{
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while (0 < n--)
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biconscnputc(0, *s++);
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}
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void
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#ifdef __STDC__
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bicons_printf(const char *fmt, ...)
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#else
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bicons_printf(fmt, va_alist)
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char *fmt;
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va_dcl
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#endif
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{
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va_list ap;
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char buf[0x100];
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va_start(ap, fmt);
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vsnprintf(buf, sizeof(buf), fmt, ap);
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va_end(ap);
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bicons_puts(buf);
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}
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static void
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draw_char(int x, int y, int c)
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{
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int i;
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u_int8_t *p;
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if (!fb_vram)
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return;
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p = &fb_vram[(y * FONT_HEIGHT * fb_line_bytes) +
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x * FONT_WIDTH * fb_oxel_bytes];
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for (i = 0; i < FONT_HEIGHT; i++) {
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(*fb_put_oxel)(p, font_clR8x8_data
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[FONT_WIDTH * (FONT_HEIGHT * c + i)], 0xff);
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p += (fb_line_bytes);
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}
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}
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static void
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clear(int y, int height)
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{
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u_int8_t *p;
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if (!fb_vram)
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return;
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p = &fb_vram[y * fb_line_bytes];
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while (0 < height--) {
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memset(p, fb_clear_byte,
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bicons_width * fb_oxel_bytes * FONT_WIDTH);
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p += fb_line_bytes;
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}
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}
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static void
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scroll(int y, int height, int d)
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{
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u_int8_t *from, *to;
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if (!fb_vram)
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return;
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if (d < 0) {
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from = &fb_vram[y * fb_line_bytes];
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to = from + d * fb_line_bytes;
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while (0 < height--) {
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memcpy(to, from, bicons_width * fb_oxel_bytes);
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from += fb_line_bytes;
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to += fb_line_bytes;
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}
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} else {
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from = &fb_vram[(y + height - 1) * fb_line_bytes];
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to = from + d * fb_line_bytes;
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while (0 < height--) {
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memcpy(to, from, bicons_xpixel * fb_oxel_bytes / 8);
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from -= fb_line_bytes;
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to -= fb_line_bytes;
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}
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}
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}
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/*=============================================================================
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*
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* D2_M2L_3
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*
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*/
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static void
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put_oxel_D2_M2L_3(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
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{
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#if 1
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u_int16_t *addr = (u_int16_t *)xaddr;
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static u_int16_t map0[] = {
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0x0000, 0x0300, 0x0c00, 0x0f00, 0x3000, 0x3300, 0x3c00, 0x3f00,
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0xc000, 0xc300, 0xcc00, 0xcf00, 0xf000, 0xf300, 0xfc00, 0xff00,
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};
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static u_int16_t map1[] = {
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0x0000, 0x0003, 0x000c, 0x000f, 0x0030, 0x0033, 0x003c, 0x003f,
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0x00c0, 0x00c3, 0x00cc, 0x00cf, 0x00f0, 0x00f3, 0x00fc, 0x00ff,
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};
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*addr = (map1[data >> 4] | map0[data & 0x0f]);
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#else
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static u_int8_t map[] = {
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0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f,
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0xc0, 0xc3, 0xcc, 0xcf, 0xf0, 0xf3, 0xfc, 0xff,
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};
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u_int8_t *addr = xaddr;
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*addr++ = (map[(data >> 4) & 0x0f] & map[(mask >> 4) & 0x0f]) |
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(*addr & ~map[(mask >> 4) & 0x0f]);
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*addr = (map[(data >> 0) & 0x0f] & map[(mask >> 0) & 0x0f]) |
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(*addr & ~map[(mask >> 0) & 0x0f]);
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#endif
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}
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/*=============================================================================
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*
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* D2_M2L_3x2
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*
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*/
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static void
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put_oxel_D2_M2L_3x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
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{
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register u_int8_t odd = (data & 0xaa);
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register u_int8_t even = (data & 0x55);
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*xaddr = (odd | (even << 1)) | ((odd >> 1) & even);
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}
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/*=============================================================================
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*
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* D2_M2L_0
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*
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*/
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static void
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put_oxel_D2_M2L_0(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
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{
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#if 1
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u_int16_t *addr = (u_int16_t *)xaddr;
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static u_int16_t map0[] = {
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0xff00, 0xfc00, 0xf300, 0xf000, 0xcf00, 0xcc00, 0xc300, 0xc000,
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0x3f00, 0x3c00, 0x3300, 0x3000, 0x0f00, 0x0c00, 0x0300, 0x0000,
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};
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static u_int16_t map1[] = {
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0x00ff, 0x00fc, 0x00f3, 0x00f0, 0x00cf, 0x00cc, 0x00c3, 0x00c0,
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0x003f, 0x003c, 0x0033, 0x0030, 0x000f, 0x000c, 0x0003, 0x0000,
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};
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*addr = (map1[data >> 4] | map0[data & 0x0f]);
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#else
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static u_int8_t map[] = {
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0x00, 0x03, 0x0c, 0x0f, 0x30, 0x33, 0x3c, 0x3f,
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0xc0, 0xc3, 0xcc, 0xcf, 0xf0, 0xf3, 0xfc, 0xff,
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};
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u_int8_t *addr = xaddr;
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*addr++ = (~(map[(data >> 4) & 0x0f] & map[(mask >> 4) & 0x0f])) |
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(*addr & ~map[(mask >> 4) & 0x0f]);
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*addr = (~(map[(data >> 0) & 0x0f] & map[(mask >> 0) & 0x0f])) |
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(*addr & ~map[(mask >> 0) & 0x0f]);
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#endif
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}
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/*=============================================================================
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*
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* D2_M2L_0x2
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*
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*/
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static void
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put_oxel_D2_M2L_0x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
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{
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register u_int8_t odd = (data & 0xaa);
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register u_int8_t even = (data & 0x55);
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*xaddr = ~((odd | (even << 1)) | ((odd >> 1) & even));
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}
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/*=============================================================================
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*
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* D4_M2L_F
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*
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*/
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static void
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put_oxel_D4_M2L_F(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
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{
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u_int32_t *addr = (u_int32_t *)xaddr;
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static u_int32_t map[] = {
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0x0000, 0x0f00, 0xf000, 0xff00, 0x000f, 0x0f0f, 0xf00f, 0xff0f,
|
|
0x00f0, 0x0ff0, 0xf0f0, 0xfff0, 0x00ff, 0x0fff, 0xf0ff, 0xffff,
|
|
};
|
|
*addr = (map[data >> 4] | (map[data & 0x0f] << 16));
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D4_M2L_Fx2
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D4_M2L_Fx2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
u_int16_t *addr = (u_int16_t *)xaddr;
|
|
static u_int16_t map[] = {
|
|
0x00, 0x08, 0x08, 0x0f, 0x80, 0x88, 0x88, 0x8f,
|
|
0x80, 0x88, 0x88, 0x8f, 0xf0, 0xf8, 0xf8, 0xff,
|
|
};
|
|
|
|
*addr = (map[data >> 4] | (map[data & 0x0f] << 8));
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D4_M2L_0
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D4_M2L_0(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
u_int32_t *addr = (u_int32_t *)xaddr;
|
|
static u_int32_t map[] = {
|
|
0xffff, 0xf0ff, 0x0fff, 0x00ff, 0xfff0, 0xf0f0, 0x0ff0, 0x00f0,
|
|
0xff0f, 0xf00f, 0x0f0f, 0x000f, 0xff00, 0xf000, 0x0f00, 0x0000,
|
|
};
|
|
*addr = (map[data >> 4] | (map[data & 0x0f] << 16));
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D4_M2L_0x2
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D4_M2L_0x2(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
u_int16_t *addr = (u_int16_t *)xaddr;
|
|
static u_int16_t map[] = {
|
|
0xff, 0xf8, 0xf8, 0xf0, 0x8f, 0x88, 0x88, 0x80,
|
|
0x8f, 0x88, 0x88, 0x80, 0x0f, 0x08, 0x08, 0x00,
|
|
};
|
|
|
|
*addr = (map[data >> 4] | (map[data & 0x0f] << 8));
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D8_00
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D8_00(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
int i;
|
|
u_int8_t *addr = xaddr;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (mask & 0x80) {
|
|
*addr = (data & 0x80) ? 0x00 : 0xFF;
|
|
}
|
|
addr++;
|
|
data <<= 1;
|
|
mask <<= 1;
|
|
}
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D8_FF
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D8_FF(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
int i;
|
|
u_int8_t *addr = xaddr;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (mask & 0x80) {
|
|
*addr = (data & 0x80) ? 0xFF : 0x00;
|
|
}
|
|
addr++;
|
|
data <<= 1;
|
|
mask <<= 1;
|
|
}
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D16_0000
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D16_0000(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
int i;
|
|
u_int16_t *addr = (u_int16_t *)xaddr;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (mask & 0x80) {
|
|
*addr = (data & 0x80) ? 0x0000 : 0xFFFF;
|
|
}
|
|
addr++;
|
|
data <<= 1;
|
|
mask <<= 1;
|
|
}
|
|
}
|
|
|
|
/*=============================================================================
|
|
*
|
|
* D16_FFFF
|
|
*
|
|
*/
|
|
static void
|
|
put_oxel_D16_FFFF(u_int8_t *xaddr, u_int8_t data, u_int8_t mask)
|
|
{
|
|
int i;
|
|
u_int16_t *addr = (u_int16_t *)xaddr;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
if (mask & 0x80) {
|
|
*addr = (data & 0x80) ? 0xFFFF : 0x0000;
|
|
}
|
|
addr++;
|
|
data <<= 1;
|
|
mask <<= 1;
|
|
}
|
|
}
|