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1518 palkovsky 1
/*
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 * Copyright (C) 2006 Ondrej Palkovsky
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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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 *
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 * - 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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 * - 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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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include <ipc/fb.h>
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#include <ipc/ipc.h>
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#include <async.h>
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#include <stdio.h>
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#include "console.h"
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#include "gcons.h"
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#define CONSOLE_TOP      50
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#define CONSOLE_MARGIN   10
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#define STATUS_SPACE    20
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#define STATUS_WIDTH    40
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#define STATUS_HEIGHT   30
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#define MAIN_COLOR      0x118811
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static int use_gcons = 0;
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static ipcarg_t xres,yres;
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static int console_vp;
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static int cstatus_vp[CONSOLE_COUNT];
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static int console_has_input[CONSOLE_COUNT];
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static int cstat_row, cstat_col; /* Size of cstatus buttons */
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static int fbphone;
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enum butstate {
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    CONS_ACTIVE = 0,
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    CONS_IDLE,
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    CONS_HAS_INPUT,
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    CONS_DISCONNECTED
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};
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static struct {
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    int fgcolor;
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    int bgcolor;
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} stat_colors[] = {
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    {0xd0d0d0, 0x808080},
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    {0xd0d0d0, 0x0},
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    {0xd0d0d0, 0xa04040},
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    {0xd0d0d0, 0x0}
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};
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static int active_console = 0;
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static void vp_switch(int vp)
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{
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    nsend_call(fbphone,FB_VIEWPORT_SWITCH, vp);
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}
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/** Create view port */
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static int vp_create(unsigned int x, unsigned int y,
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             unsigned int width, unsigned int height)
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{
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    /* Init function, use ipc_call_sync */
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    return ipc_call_sync_2(fbphone, FB_VIEWPORT_CREATE,
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                   (x << 16) | y, (width << 16) | height,
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                   NULL, NULL);
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}
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static void clear(void)
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{
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    nsend_call(fbphone, FB_CLEAR, 0);
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}
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static void set_style(int fgcolor, int bgcolor)
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{
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    nsend_call_2(fbphone, FB_SET_STYLE, fgcolor, bgcolor);
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}
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static void putch(char c, int row, int col)
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{
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    nsend_call_3(fbphone, FB_PUTCHAR, c, row, col);
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}
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static void draw_stat(int consnum, enum butstate state)
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{
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    char data[5];
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    int i;
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    vp_switch(cstatus_vp[consnum]);
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    set_style(stat_colors[state].fgcolor, stat_colors[state].bgcolor);
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    clear();
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    if (state != CONS_DISCONNECTED) {
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        snprintf(data, 5, "%d", consnum+1);
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        for (i=0;data[i];i++)
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            putch(data[i], 0, i);
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    }
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}
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void gcons_change_console(int consnum)
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{
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    if (!use_gcons)
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        return;
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    draw_stat(active_console, CONS_IDLE);
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    active_console = consnum;
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    draw_stat(consnum, CONS_ACTIVE);
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    console_has_input[consnum] = 0;
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    vp_switch(console_vp);
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}
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void gcons_notify_char(int consnum)
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{
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    if (!use_gcons)
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        return;
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    if (consnum == active_console || console_has_input[consnum])
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        return;
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    console_has_input[consnum] = 1;
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    draw_stat(consnum, CONS_HAS_INPUT);
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    vp_switch(console_vp);
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}
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void gcons_redraw_console(void)
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{
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    int i;
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    if (!use_gcons)
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        return;
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    vp_switch(0);
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    set_style(MAIN_COLOR, MAIN_COLOR);
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    clear();
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    for (i=0;i < CONSOLE_COUNT; i++)
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        draw_stat(i, i == active_console ? CONS_ACTIVE : CONS_DISCONNECTED);
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    vp_switch(console_vp);
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}
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/** Initialize nice graphical console environment */
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void gcons_init(int phone)
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{
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    int rc;
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    int i;
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    fbphone = phone;
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    rc = ipc_call_sync_2(phone, FB_GET_RESOLUTION, 0, 0, &xres, &yres);
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    if (rc)
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        return;
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    if (xres < 800 || yres < 600)
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        return;
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    /* create console viewport */
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    console_vp = vp_create(CONSOLE_MARGIN, CONSOLE_TOP, xres-2*CONSOLE_MARGIN,
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                   yres-(CONSOLE_TOP+CONSOLE_MARGIN));
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    if (console_vp < 0)
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        return;
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    /* Create status buttons */
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    for (i=0; i < CONSOLE_COUNT; i++) {
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        cstatus_vp[i] = vp_create(CONSOLE_MARGIN+i*(STATUS_WIDTH+STATUS_SPACE),
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                      CONSOLE_MARGIN, STATUS_WIDTH, STATUS_HEIGHT);
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        if (cstatus_vp[i] < 0)
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            return;
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    }
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    use_gcons = 1;
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    gcons_redraw_console();
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}