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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 console connect */
  176. void gcons_notify_connect(int consnum)
  177. {
  178.     if (!use_gcons)
  179.         return;
  180.     if (active_console == consnum)
  181.         console_state[consnum] = CONS_SELECTED;
  182.     else
  183.         console_state[consnum] = CONS_IDLE;
  184.  
  185.     if (active_console == KERNEL_CONSOLE)
  186.         return;
  187.  
  188.     redraw_state(consnum);
  189.     vp_switch(console_vp);
  190. }
  191.  
  192. /** Change to kernel console */
  193. void gcons_in_kernel(void)
  194. {
  195.     if (console_state[active_console] == CONS_DISCONNECTED_SEL)
  196.         console_state[active_console] = CONS_DISCONNECTED;
  197.     else
  198.         console_state[active_console] = CONS_IDLE;
  199.     redraw_state(active_console);
  200.  
  201.     active_console = KERNEL_CONSOLE; /* Set to kernel console */
  202.     vp_switch(0);
  203. }
  204.  
  205. /** Draw a PPM pixmap to framebuffer
  206.  *
  207.  * @param logo Pointer to PPM data
  208.  * @param size Size of PPM data
  209.  * @param x Coordinate of upper left corner
  210.  * @param y Coordinate of upper left corner
  211.  */
  212. static void draw_pixmap(char *logo, size_t size, int x, int y)
  213. {
  214.     char *shm;
  215.     int rc;
  216.  
  217.     /* Create area */
  218.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
  219.     if (shm == MAP_FAILED)
  220.         return;
  221.  
  222.     memcpy(shm, logo, size);
  223.     /* Send area */
  224.     rc = sync_send_2(fbphone, FB_PREPARE_SHM, (ipcarg_t)shm, 0, NULL, NULL);
  225.     if (rc)
  226.         goto exit;
  227.     rc = sync_send_3(fbphone, IPC_M_AS_AREA_SEND, (ipcarg_t)shm, 0, PROTO_READ, NULL, NULL, NULL);
  228.     if (rc)
  229.         goto drop;
  230.     /* Draw logo */
  231.     nsend_call_2(fbphone, FB_DRAW_PPM, x, y);
  232. drop:
  233.     /* Drop area */
  234.     nsend_call(fbphone, FB_DROP_SHM, 0);
  235. exit:      
  236.     /* Remove area */
  237.     munmap(shm, size);
  238. }
  239.  
  240. extern char _binary_helenos_ppm_start[0];
  241. extern int _binary_helenos_ppm_size;
  242. extern char _binary_nameic_ppm_start[0];
  243. extern int _binary_nameic_ppm_size;
  244. /** Redraws console graphics  */
  245. static void gcons_redraw_console(void)
  246. {
  247.     int i;
  248.     size_t hsize = (size_t)&_binary_helenos_ppm_size;
  249.  
  250.     if (!use_gcons)
  251.         return;
  252.    
  253.     vp_switch(0);
  254.     set_style(MAIN_COLOR, MAIN_COLOR);
  255.     clear();
  256.     draw_pixmap(_binary_helenos_ppm_start, (size_t)&_binary_helenos_ppm_size, xres-66, 2);
  257.     draw_pixmap(_binary_nameic_ppm_start, (size_t)&_binary_nameic_ppm_size, 5, 17);
  258.  
  259.     for (i=0;i < CONSOLE_COUNT; i++)
  260.         redraw_state(i);
  261.     vp_switch(console_vp);
  262. }
  263.  
  264. /** Creates a pixmap on framebuffer
  265.  *
  266.  * @param data PPM data
  267.  * @param size PPM data size
  268.  * @return Pixmap identification
  269.  */
  270. static int make_pixmap(char *data, int size)
  271. {
  272.     char *shm;
  273.     int rc;
  274.     int pxid = -1;
  275.  
  276.     /* Create area */
  277.     shm = mmap(NULL, size, PROTO_READ | PROTO_WRITE, MAP_SHARED | MAP_ANONYMOUS, 0, 0);
  278.     if (shm == MAP_FAILED)
  279.         return -1;
  280.  
  281.     memcpy(shm, data, size);
  282.     /* Send area */
  283.     rc = sync_send_2(fbphone, FB_PREPARE_SHM, (ipcarg_t)shm, 0, NULL, NULL);
  284.     if (rc)
  285.         goto exit;
  286.     rc = sync_send_3(fbphone, IPC_M_AS_AREA_SEND, (ipcarg_t)shm, 0, PROTO_READ, NULL, NULL, NULL);
  287.     if (rc)
  288.         goto drop;
  289.  
  290.     /* Obtain pixmap */
  291.     rc = sync_send(fbphone, FB_SHM2PIXMAP, 0, NULL);
  292.     if (rc < 0)
  293.         goto drop;
  294.     pxid = rc;
  295. drop:
  296.     /* Drop area */
  297.     nsend_call(fbphone, FB_DROP_SHM, 0);
  298. exit:      
  299.     /* Remove area */
  300.     munmap(shm, size);
  301.  
  302.     return pxid;
  303. }
  304.  
  305. extern char _binary_cons_selected_ppm_start[0];
  306. extern int _binary_cons_selected_ppm_size;
  307. extern char _binary_cons_idle_ppm_start[0];
  308. extern int _binary_cons_idle_ppm_size;
  309. extern char _binary_cons_has_data_ppm_start[0];
  310. extern int _binary_cons_has_data_ppm_size;
  311. extern char _binary_cons_kernel_ppm_start[0];
  312. extern int _binary_cons_kernel_ppm_size;
  313. /** Initialize nice graphical console environment */
  314. void gcons_init(int phone)
  315. {
  316.     int rc;
  317.     int i;
  318.  
  319.     fbphone = phone;
  320.  
  321.     rc = ipc_call_sync_2(phone, FB_GET_RESOLUTION, 0, 0, &xres, &yres);
  322.     if (rc)
  323.         return;
  324.    
  325.     if (xres < 800 || yres < 600)
  326.         return;
  327.  
  328.     /* create console viewport */
  329.     /* Align width & height to character size */
  330.     console_vp = vp_create(CONSOLE_MARGIN, CONSOLE_TOP,
  331.                    ALIGN_DOWN(xres-2*CONSOLE_MARGIN, 8),
  332.                    ALIGN_DOWN(yres-(CONSOLE_TOP+CONSOLE_MARGIN),16));
  333.     if (console_vp < 0)
  334.         return;
  335.    
  336.     /* Create status buttons */
  337.     for (i=0; i < CONSOLE_COUNT; i++) {
  338.         cstatus_vp[i] = vp_create(STATUS_START+CONSOLE_MARGIN+i*(STATUS_WIDTH+STATUS_SPACE),
  339.                       STATUS_TOP, STATUS_WIDTH, STATUS_HEIGHT);
  340.         if (cstatus_vp[i] < 0)
  341.             return;
  342.         vp_switch(cstatus_vp[i]);
  343.         set_style(0x202020, 0xffffff);
  344.     }
  345.    
  346.     /* Initialize icons */
  347.     ic_pixmaps[CONS_SELECTED] = make_pixmap(_binary_cons_selected_ppm_start,
  348.                           (int)&_binary_cons_selected_ppm_size);
  349.     ic_pixmaps[CONS_IDLE] = make_pixmap(_binary_cons_idle_ppm_start,
  350.                           (int)&_binary_cons_idle_ppm_size);
  351.     ic_pixmaps[CONS_HAS_DATA] = make_pixmap(_binary_cons_has_data_ppm_start,
  352.                         (int)&_binary_cons_has_data_ppm_size);
  353.     ic_pixmaps[CONS_DISCONNECTED] = make_pixmap(_binary_cons_idle_ppm_start,
  354.                           (int)&_binary_cons_idle_ppm_size);
  355.     ic_pixmaps[CONS_KERNEL] = make_pixmap(_binary_cons_kernel_ppm_start,
  356.                           (int)&_binary_cons_kernel_ppm_size);
  357.     ic_pixmaps[CONS_DISCONNECTED_SEL] = ic_pixmaps[CONS_SELECTED];
  358.  
  359.     use_gcons = 1;
  360.     console_state[0] = CONS_DISCONNECTED_SEL;
  361.     console_state[KERNEL_CONSOLE] = CONS_KERNEL;
  362.     gcons_redraw_console();
  363. }
  364.