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/* STI console code
*
* Copyright (C) 2019 Sven Schnelle <svens@stackframe.org>
*
* This file may be distributed under the terms of the GNU LGPLv3 license.
*/
#include "autoconf.h"
#include "types.h"
#include "std/optionrom.h"
#include "vgahw.h"
#include "parisc/sticore.h"
#include "parisc/hppa_hardware.h"
#include "output.h"
#include "pdc.h"
#include "hppa.h"
static int sti_enabled;
static struct sti_init_flags sti_init_flags = {
.wait = 1,
.reset = 1,
.text = 1,
.nontext = 1,
.cmap_blk = 1,
.no_chg_bet = 1,
.no_chg_bei = 1,
.init_cmap_tx = 1,
.clear = 1,
};
static struct sti_glob_cfg_ext sti_glob_ext_cfg = {
};
static struct sti_glob_cfg sti_glob_cfg = {
.region_ptrs = { 0, ARTIST_FB_ADDR, 0xf8100000, 0xf8380000, 0, 0, 0, 0 },
};
static struct sti_init_inptr_ext sti_init_inptr_ext = {
.config_mon_type = 1,
};
static struct sti_init_inptr sti_init_inptr = {
.text_planes = 3,
};
static struct sti_init_outptr sti_init_outptr = {
};
static struct sti_font_flags sti_font_flags = {
.wait = 1,
};
static struct sti_font_inptr sti_font_inptr = {
.fg_color = 1,
.bg_color = 0,
};
static struct sti_font_outptr sti_font_outptr = {
};
static struct sti_blkmv_flags sti_blkmv_flags = {
.wait = 1,
};
static struct sti_blkmv_inptr sti_blkmv_inptr = {
};
static struct sti_blkmv_outptr sti_blkmv_outptr = {
};
static void sti_putchar(struct sti_rom *rom, int row, int column, const char c)
{
int (*sti_unpmv)(struct sti_font_flags *,
struct sti_font_inptr *,
struct sti_font_outptr *,
struct sti_glob_cfg *);
struct sti_rom_font *font = (void *)rom + rom->font_start;
sti_unpmv = (void *)rom + rom->font_unpmv;
sti_font_inptr.dest_x = column * font->width;
sti_font_inptr.dest_y = row * font->height;
sti_font_inptr.index = c;
sti_font_inptr.font_start_addr = (u32) font;
sti_unpmv(&sti_font_flags, &sti_font_inptr,
&sti_font_outptr, &sti_glob_cfg);
}
static void sti_block_move(struct sti_rom *rom, int src_x, int src_y,
int dest_x, int dest_y,
int width, int height,
int clear)
{
int (*sti_block_move)(struct sti_blkmv_flags *,
struct sti_blkmv_inptr *,
struct sti_blkmv_outptr *,
struct sti_glob_cfg *);
sti_block_move = (void *)rom + rom->block_move;
sti_blkmv_inptr.src_x = src_x;
sti_blkmv_inptr.src_y = src_y;
sti_blkmv_inptr.dest_x = dest_x;
sti_blkmv_inptr.dest_y = dest_y;
sti_blkmv_inptr.width = width;
sti_blkmv_inptr.height = height;
sti_blkmv_flags.clear = clear;
sti_block_move(&sti_blkmv_flags, &sti_blkmv_inptr,
&sti_blkmv_outptr, &sti_glob_cfg);
}
void sti_console_init(struct sti_rom *rom)
{
int (*sti_init)(struct sti_init_flags *,
struct sti_init_inptr *,
struct sti_init_outptr *,
struct sti_glob_cfg *);
sti_init = (void *)rom + rom->init_graph;
sti_glob_cfg.ext_ptr = (u32)&sti_glob_ext_cfg;
sti_init_inptr.ext_ptr = (u32)&sti_init_inptr_ext;
sti_init(&sti_init_flags, &sti_init_inptr,
&sti_init_outptr, &sti_glob_cfg);
sti_enabled = 1;
}
void sti_putc(const char c)
{
struct sti_rom *rom = (struct sti_rom *)PAGE0->proc_sti;
struct sti_rom_font *font = (void *)rom + rom->font_start;
static int row, col;
if (!sti_enabled)
return;
if (c == '\r') {
col = 0;
return;
}
if (c == 0x08) {
if (col > 0)
col--;
return;
}
if (c == '\n') {
col = 0;
row++;
if (row >= sti_glob_cfg.onscreen_y / font->height) {
sti_block_move(rom,
0, font->height,
0, 0,
sti_glob_cfg.total_x, sti_glob_cfg.onscreen_y - font->height, 0);
/* clear new line at bottom */
sti_block_move(rom,
0, 0, /* source */
0, sti_glob_cfg.onscreen_y - font->height, /* dest */
sti_glob_cfg.onscreen_x, font->height,
1);
row = (sti_glob_cfg.onscreen_y / font->height)-1;
}
return;
}
/* wrap to next line or scroll screen if EOL reached */
if (col >= ((sti_glob_cfg.onscreen_x / font->width) - 1))
sti_putc('\n');
sti_putchar(rom, row, col++, c);
}