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  1. /*
  2.  * Copyright (C) 2006 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <ipc/fb.h>
  30. #include <ipc/ipc.h>
  31. #include <async.h>
  32. #include <stdio.h>
  33. #include <sys/mman.h>
  34. #include <string.h>
  35.  
  36. #include "console.h"
  37. #include "gcons.h"
  38.  
  39. #define CONSOLE_TOP      65
  40. #define CONSOLE_MARGIN   10
  41.  
  42. #define STATUS_START    120
  43. #define STATUS_SPACE    5
  44. #define STATUS_WIDTH    40
  45. #define STATUS_HEIGHT   30
  46.  
  47. #define MAIN_COLOR      0xffffff
  48.  
  49. static int use_gcons = 0;
  50. static ipcarg_t xres,yres;
  51.  
  52. static int console_vp;
  53. static int cstatus_vp[CONSOLE_COUNT];
  54. static int console_has_input[CONSOLE_COUNT];
  55. static int cstat_row, cstat_col; /* Size of cstatus buttons */
  56.  
  57. static int fbphone;
  58.  
  59. enum butstate {
  60.     CONS_ACTIVE = 0,
  61.     CONS_IDLE,
  62.     CONS_HAS_INPUT,
  63.     CONS_DISCONNECTED
  64. };
  65.  
  66. static struct {
  67.     int fgcolor;
  68.     int bgcolor;
  69. } stat_colors[] = {
  70.     {0xd0d0d0, 0x808080},
  71.     {0xd0d0d0, 0x0},
  72.     {0xd0d0d0, 0xa04040},
  73.     {0xd0d0d0, 0x0}
  74. };
  75.  
  76. static int active_console = 0;
  77.  
  78. static void vp_switch(int vp)
  79. {
  80.     nsend_call(fbphone,FB_VIEWPORT_SWITCH, vp);
  81. }
  82.  
  83. /** Create view port */
  84. static int vp_create(unsigned int x, unsigned int y,
  85.              unsigned int width, unsigned int height)
  86. {
  87.     /* Init function, use ipc_call_sync */
  88.     return ipc_call_sync_2(fbphone, FB_VIEWPORT_CREATE,
  89.                    (x << 16) | y, (width << 16) | height,
  90.                    NULL, NULL);
  91. }
  92.  
  93. static void clear(void)
  94. {
  95.     nsend_call(fbphone, FB_CLEAR, 0);
  96.    
  97. }
  98.  
  99. static void set_style(int fgcolor, int bgcolor)
  100. {
  101.     nsend_call_2(fbphone, FB_SET_STYLE, fgcolor, bgcolor);
  102. }
  103.  
  104. static void putch(char c, int row, int col)
  105. {
  106.     nsend_call_3(fbphone, FB_PUTCHAR, c, row, col);
  107. }
  108.  
  109. static void draw_stat(int consnum, enum butstate state)
  110. {
  111.     char data[5];
  112.     int i;
  113.    
  114.     vp_switch(cstatus_vp[consnum]);
  115.     set_style(stat_colors[state].fgcolor, stat_colors[state].bgcolor);
  116.     clear();
  117.     if (state != CONS_DISCONNECTED) {
  118.         snprintf(data, 5, "%d", consnum+1);
  119.         for (i=0;data[i];i++)
  120.             putch(data[i], 0, i);
  121.     }
  122. }
  123.  
  124. void gcons_change_console(int consnum)
  125. {
  126.     if (!use_gcons)
  127.         return;
  128.  
  129.     if (active_console != -1)
  130.         draw_stat(active_console, CONS_IDLE);
  131.     active_console = consnum;
  132.     draw_stat(consnum, CONS_ACTIVE);
  133.     console_has_input[consnum] = 0;
  134.  
  135.     vp_switch(console_vp);
  136. }
  137.  
  138. /** Notification function that gets called on new output to virtual console */
  139. void gcons_notify_char(int consnum)
  140. {
  141.     if (!use_gcons)
  142.         return;
  143.  
  144.     if (consnum == active_console || console_has_input[consnum])
  145.         return;
  146.  
  147.     console_has_input[consnum] = 1;
  148.  
  149.     if (active_console == -1)
  150.         return;
  151.  
  152.     draw_stat(consnum, CONS_HAS_INPUT);
  153.    
  154.     vp_switch(console_vp);
  155.  
  156. }
  157.  
  158. /** Change to kernel console */
  159. void gcons_in_kernel(void)
  160. {
  161.     draw_stat(active_console, CONS_IDLE);
  162.     active_console = -1; /* Set to kernel console */
  163.     vp_switch(0);
  164. }
  165.  
  166. /** Draw a PPM pixmap to framebuffer
  167.  *
  168.  * @param logo Pointer to PPM data
  169.  * @param size Size of PPM data
  170.  * @param x Coordinate of upper left corner
  171.  * @param y Coordinate of upper left corner
  172.  */
  173. static void draw_pixmap(char *logo, size_t size, int x, int y)
  174. {
  175.     char *shm;
  176.     int rc;
  177.  
  178.     /* Create area */
  179.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
  180.     if (shm == MAP_FAILED)
  181.         return;
  182.  
  183.     memcpy(shm, logo, size);
  184.     /* Send area */
  185.     rc = sync_send_2(fbphone, FB_PREPARE_SHM, (ipcarg_t)shm, 0, NULL, NULL);
  186.     if (rc)
  187.         goto exit;
  188.     rc = sync_send_3(fbphone, IPC_M_AS_AREA_SEND, (ipcarg_t)shm, 0, PROTO_READ, NULL, NULL, NULL);
  189.     if (rc)
  190.         goto drop;
  191.     /* Draw logo */
  192.     send_call_2(fbphone, FB_DRAW_PPM, x, y);
  193. drop:
  194.     /* Drop area */
  195.     nsend_call(fbphone, FB_DROP_SHM, 0);
  196. exit:      
  197.     /* Remove area */
  198.     munmap(shm, size);
  199. }
  200.  
  201. extern char _binary_helenos_ppm_start[0];
  202. extern int _binary_helenos_ppm_size;
  203. extern char _binary_nameic_ppm_start[0];
  204. extern int _binary_nameic_ppm_size;
  205. void gcons_redraw_console(void)
  206. {
  207.     int i;
  208.     size_t hsize = (size_t)&_binary_helenos_ppm_size;
  209.  
  210.     if (!use_gcons)
  211.         return;
  212.    
  213.     vp_switch(0);
  214.     set_style(MAIN_COLOR, MAIN_COLOR);
  215.     clear();
  216.     draw_pixmap(_binary_helenos_ppm_start, (size_t)&_binary_helenos_ppm_size, xres-64, 0);
  217.     draw_pixmap(_binary_nameic_ppm_start, (size_t)&_binary_nameic_ppm_size, 5, 10);
  218.  
  219.  
  220.     for (i=0;i < CONSOLE_COUNT; i++)
  221.         draw_stat(i, i == active_console ? CONS_ACTIVE : CONS_DISCONNECTED);
  222.     vp_switch(console_vp);
  223. }
  224.  
  225. /** Initialize nice graphical console environment */
  226. void gcons_init(int phone)
  227. {
  228.     int rc;
  229.     int i;
  230.  
  231.     fbphone = phone;
  232.  
  233.     rc = ipc_call_sync_2(phone, FB_GET_RESOLUTION, 0, 0, &xres, &yres);
  234.     if (rc)
  235.         return;
  236.    
  237.     if (xres < 800 || yres < 600)
  238.         return;
  239.  
  240.     /* create console viewport */
  241.     console_vp = vp_create(CONSOLE_MARGIN, CONSOLE_TOP, xres-2*CONSOLE_MARGIN,
  242.                    yres-(CONSOLE_TOP+CONSOLE_MARGIN));
  243.     if (console_vp < 0)
  244.         return;
  245.    
  246.     /* Create status buttons */
  247.     for (i=0; i < CONSOLE_COUNT; i++) {
  248.         cstatus_vp[i] = vp_create(STATUS_START+CONSOLE_MARGIN+i*(STATUS_WIDTH+STATUS_SPACE),
  249.                       CONSOLE_MARGIN, STATUS_WIDTH, STATUS_HEIGHT);
  250.         if (cstatus_vp[i] < 0)
  251.             return;
  252.     }
  253.    
  254.     use_gcons = 1;
  255.     gcons_redraw_console();
  256. }
  257.