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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. #include <align.h>
  36.  
  37. #include "console.h"
  38. #include "gcons.h"
  39.  
  40. #define CONSOLE_TOP      65
  41. #define CONSOLE_MARGIN   6
  42.  
  43. #define STATUS_START    110
  44. #define STATUS_TOP      8
  45. #define STATUS_SPACE    3
  46. #define STATUS_WIDTH    48
  47. #define STATUS_HEIGHT   48
  48.  
  49. #define MAIN_COLOR      0xffffff
  50.  
  51. static int use_gcons = 0;
  52. static ipcarg_t xres,yres;
  53.  
  54. enum butstate {
  55.     CONS_DISCONNECTED = 0,
  56.     CONS_SELECTED,
  57.     CONS_IDLE,
  58.     CONS_HAS_DATA,
  59.     CONS_KERNEL,
  60.     CONS_DISCONNECTED_SEL,
  61.     CONS_LAST
  62. };
  63.  
  64. static int console_vp;
  65. static int cstatus_vp[CONSOLE_COUNT];
  66. static int cstat_row, cstat_col; /* Size of cstatus buttons */
  67. static enum butstate console_state[CONSOLE_COUNT];
  68.  
  69. static int fbphone;
  70.  
  71. /** List of pixmaps identifying these icons */
  72. static int ic_pixmaps[CONS_LAST] = {-1,-1,-1,-1,-1,-1};
  73.  
  74. static int active_console = 0;
  75.  
  76. static void vp_switch(int vp)
  77. {
  78.     nsend_call(fbphone,FB_VIEWPORT_SWITCH, vp);
  79. }
  80.  
  81. /** Create view port */
  82. static int vp_create(unsigned int x, unsigned int y,
  83.              unsigned int width, unsigned int height)
  84. {
  85.     /* Init function, use ipc_call_sync */
  86.     return ipc_call_sync_2(fbphone, FB_VIEWPORT_CREATE,
  87.                    (x << 16) | y, (width << 16) | height,
  88.                    NULL, NULL);
  89. }
  90.  
  91. static void clear(void)
  92. {
  93.     nsend_call(fbphone, FB_CLEAR, 0);
  94.    
  95. }
  96.  
  97. static void set_style(int fgcolor, int bgcolor)
  98. {
  99.     nsend_call_2(fbphone, FB_SET_STYLE, fgcolor, bgcolor);
  100. }
  101.  
  102. /** Transparent putchar */
  103. static void tran_putch(char c, int row, int col)
  104. {
  105.     nsend_call_3(fbphone, FB_TRANS_PUTCHAR, c, row, col);
  106. }
  107.  
  108. /** Redraw the button showing state of a given console */
  109. static void redraw_state(int consnum)
  110. {
  111.     char data[5];
  112.     int i;
  113.     enum butstate state = console_state[consnum];
  114.  
  115.     vp_switch(cstatus_vp[consnum]);
  116.     if (ic_pixmaps[state] != -1)
  117.         nsend_call_2(fbphone, FB_VP_DRAW_PIXMAP, cstatus_vp[consnum], ic_pixmaps[state]);
  118.  
  119.     if (state != CONS_DISCONNECTED && state != CONS_KERNEL && state != CONS_DISCONNECTED_SEL) {
  120.         snprintf(data, 5, "%d", consnum+1);
  121.         for (i=0;data[i];i++)
  122.             tran_putch(data[i], 1, 2+i);
  123.     }
  124. }
  125.  
  126. /** Notification run on changing console (except kernel console) */
  127. void gcons_change_console(int consnum)
  128. {
  129.     int i;
  130.  
  131.     if (!use_gcons)
  132.         return;
  133.  
  134.     if (active_console == KERNEL_CONSOLE) {
  135.         for (i=0; i < CONSOLE_COUNT; i++)
  136.             redraw_state(i);
  137.     } else {
  138.         if (console_state[active_console] == CONS_DISCONNECTED_SEL)
  139.             console_state[active_console] = CONS_DISCONNECTED;
  140.         else
  141.             console_state[active_console] = CONS_IDLE;
  142.         redraw_state(active_console);
  143.     }
  144.     active_console = consnum;
  145.  
  146.     if (console_state[consnum] == CONS_DISCONNECTED) {
  147.         console_state[consnum] = CONS_DISCONNECTED_SEL;
  148.         redraw_state(consnum);
  149.     } else
  150.         console_state[consnum] = CONS_SELECTED;
  151.     redraw_state(consnum);
  152.  
  153.     vp_switch(console_vp);
  154. }
  155.  
  156. /** Notification function that gets called on new output to virtual console */
  157. void gcons_notify_char(int consnum)
  158. {
  159.     if (!use_gcons)
  160.         return;
  161.  
  162.     if (consnum == active_console || console_state[consnum] == CONS_HAS_DATA)
  163.         return;
  164.  
  165.     console_state[consnum] = CONS_HAS_DATA;
  166.  
  167.     if (active_console == KERNEL_CONSOLE)
  168.         return;
  169.  
  170.     redraw_state(consnum);
  171.    
  172.     vp_switch(console_vp);
  173. }
  174.  
  175. /** Notification function called on service disconnect from console */
  176. void gcons_notify_disconnect(int consnum)
  177. {
  178.     if (!use_gcons)
  179.         return;
  180.     if (active_console == consnum)
  181.         console_state[consnum] = CONS_DISCONNECTED_SEL;
  182.     else
  183.         console_state[consnum] = CONS_DISCONNECTED;
  184.  
  185.     if (active_console == KERNEL_CONSOLE)
  186.         return;
  187.  
  188.     redraw_state(consnum);
  189.     vp_switch(console_vp);
  190. }
  191.  
  192. /** Notification function called on console connect */
  193. void gcons_notify_connect(int consnum)
  194. {
  195.     if (!use_gcons)
  196.         return;
  197.     if (active_console == consnum)
  198.         console_state[consnum] = CONS_SELECTED;
  199.     else
  200.         console_state[consnum] = CONS_IDLE;
  201.  
  202.     if (active_console == KERNEL_CONSOLE)
  203.         return;
  204.  
  205.     redraw_state(consnum);
  206.     vp_switch(console_vp);
  207. }
  208.  
  209. /** Change to kernel console */
  210. void gcons_in_kernel(void)
  211. {
  212.     if (console_state[active_console] == CONS_DISCONNECTED_SEL)
  213.         console_state[active_console] = CONS_DISCONNECTED;
  214.     else
  215.         console_state[active_console] = CONS_IDLE;
  216.     redraw_state(active_console);
  217.  
  218.     active_console = KERNEL_CONSOLE; /* Set to kernel console */
  219.     vp_switch(0);
  220. }
  221.  
  222. /** Draw a PPM pixmap to framebuffer
  223.  *
  224.  * @param logo Pointer to PPM data
  225.  * @param size Size of PPM data
  226.  * @param x Coordinate of upper left corner
  227.  * @param y Coordinate of upper left corner
  228.  */
  229. static void draw_pixmap(char *logo, size_t size, int x, int y)
  230. {
  231.     char *shm;
  232.     int rc;
  233.  
  234.     /* Create area */
  235.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
  236.     if (shm == MAP_FAILED)
  237.         return;
  238.  
  239.     memcpy(shm, logo, size);
  240.     /* Send area */
  241.     rc = sync_send_2(fbphone, FB_PREPARE_SHM, (ipcarg_t)shm, 0, NULL, NULL);
  242.     if (rc)
  243.         goto exit;
  244.     rc = sync_send_3(fbphone, IPC_M_AS_AREA_SEND, (ipcarg_t)shm, 0, PROTO_READ, NULL, NULL, NULL);
  245.     if (rc)
  246.         goto drop;
  247.     /* Draw logo */
  248.     nsend_call_2(fbphone, FB_DRAW_PPM, x, y);
  249. drop:
  250.     /* Drop area */
  251.     nsend_call(fbphone, FB_DROP_SHM, 0);
  252. exit:      
  253.     /* Remove area */
  254.     munmap(shm, size);
  255. }
  256.  
  257. extern char _binary_helenos_ppm_start[0];
  258. extern int _binary_helenos_ppm_size;
  259. extern char _binary_nameic_ppm_start[0];
  260. extern int _binary_nameic_ppm_size;
  261. /** Redraws console graphics  */
  262. static void gcons_redraw_console(void)
  263. {
  264.     int i;
  265.     size_t hsize = (size_t)&_binary_helenos_ppm_size;
  266.  
  267.     if (!use_gcons)
  268.         return;
  269.    
  270.     vp_switch(0);
  271.     set_style(MAIN_COLOR, MAIN_COLOR);
  272.     clear();
  273.     draw_pixmap(_binary_helenos_ppm_start, (size_t)&_binary_helenos_ppm_size, xres-66, 2);
  274.     draw_pixmap(_binary_nameic_ppm_start, (size_t)&_binary_nameic_ppm_size, 5, 17);
  275.  
  276.     for (i=0;i < CONSOLE_COUNT; i++)
  277.         redraw_state(i);
  278.     vp_switch(console_vp);
  279. }
  280.  
  281. /** Creates a pixmap on framebuffer
  282.  *
  283.  * @param data PPM data
  284.  * @param size PPM data size
  285.  * @return Pixmap identification
  286.  */
  287. static int make_pixmap(char *data, int size)
  288. {
  289.     char *shm;
  290.     int rc;
  291.     int pxid = -1;
  292.  
  293.     /* Create area */
  294.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
  295.     if (shm == MAP_FAILED)
  296.         return -1;
  297.  
  298.     memcpy(shm, data, size);
  299.     /* Send area */
  300.     rc = sync_send_2(fbphone, FB_PREPARE_SHM, (ipcarg_t)shm, 0, NULL, NULL);
  301.     if (rc)
  302.         goto exit;
  303.     rc = sync_send_3(fbphone, IPC_M_AS_AREA_SEND, (ipcarg_t)shm, 0, PROTO_READ, NULL, NULL, NULL);
  304.     if (rc)
  305.         goto drop;
  306.  
  307.     /* Obtain pixmap */
  308.     rc = sync_send(fbphone, FB_SHM2PIXMAP, 0, NULL);
  309.     if (rc < 0)
  310.         goto drop;
  311.     pxid = rc;
  312. drop:
  313.     /* Drop area */
  314.     nsend_call(fbphone, FB_DROP_SHM, 0);
  315. exit:      
  316.     /* Remove area */
  317.     munmap(shm, size);
  318.  
  319.     return pxid;
  320. }
  321.  
  322. extern char _binary_cons_selected_ppm_start[0];
  323. extern int _binary_cons_selected_ppm_size;
  324. extern char _binary_cons_idle_ppm_start[0];
  325. extern int _binary_cons_idle_ppm_size;
  326. extern char _binary_cons_has_data_ppm_start[0];
  327. extern int _binary_cons_has_data_ppm_size;
  328. extern char _binary_cons_kernel_ppm_start[0];
  329. extern int _binary_cons_kernel_ppm_size;
  330. /** Initialize nice graphical console environment */
  331. void gcons_init(int phone)
  332. {
  333.     int rc;
  334.     int i;
  335.  
  336.     fbphone = phone;
  337.  
  338.     rc = ipc_call_sync_2(phone, FB_GET_RESOLUTION, 0, 0, &xres, &yres);
  339.     if (rc)
  340.         return;
  341.    
  342.     if (xres < 800 || yres < 600)
  343.         return;
  344.  
  345.     /* create console viewport */
  346.     /* Align width & height to character size */
  347.     console_vp = vp_create(CONSOLE_MARGIN, CONSOLE_TOP,
  348.                    ALIGN_DOWN(xres-2*CONSOLE_MARGIN, 8),
  349.                    ALIGN_DOWN(yres-(CONSOLE_TOP+CONSOLE_MARGIN),16));
  350.     if (console_vp < 0)
  351.         return;
  352.    
  353.     /* Create status buttons */
  354.     for (i=0; i < CONSOLE_COUNT; i++) {
  355.         cstatus_vp[i] = vp_create(STATUS_START+CONSOLE_MARGIN+i*(STATUS_WIDTH+STATUS_SPACE),
  356.                       STATUS_TOP, STATUS_WIDTH, STATUS_HEIGHT);
  357.         if (cstatus_vp[i] < 0)
  358.             return;
  359.         vp_switch(cstatus_vp[i]);
  360.         set_style(0x202020, 0xffffff);
  361.     }
  362.    
  363.     /* Initialize icons */
  364.     ic_pixmaps[CONS_SELECTED] = make_pixmap(_binary_cons_selected_ppm_start,
  365.                           (int)&_binary_cons_selected_ppm_size);
  366.     ic_pixmaps[CONS_IDLE] = make_pixmap(_binary_cons_idle_ppm_start,
  367.                           (int)&_binary_cons_idle_ppm_size);
  368.     ic_pixmaps[CONS_HAS_DATA] = make_pixmap(_binary_cons_has_data_ppm_start,
  369.                         (int)&_binary_cons_has_data_ppm_size);
  370.     ic_pixmaps[CONS_DISCONNECTED] = make_pixmap(_binary_cons_idle_ppm_start,
  371.                           (int)&_binary_cons_idle_ppm_size);
  372.     ic_pixmaps[CONS_KERNEL] = make_pixmap(_binary_cons_kernel_ppm_start,
  373.                           (int)&_binary_cons_kernel_ppm_size);
  374.     ic_pixmaps[CONS_DISCONNECTED_SEL] = ic_pixmaps[CONS_SELECTED];
  375.  
  376.     use_gcons = 1;
  377.     console_state[0] = CONS_DISCONNECTED_SEL;
  378.     console_state[KERNEL_CONSOLE] = CONS_KERNEL;
  379.     gcons_redraw_console();
  380. }
  381.