com32/hdt/hdt-cli-vesa.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2009 Erwan Velu - All Rights Reserved
   4  *
   5  *   Permission is hereby granted, free of charge, to any person
   6  *   obtaining a copy of this software and associated documentation
   7  *   files (the "Software"), to deal in the Software without
   8  *   restriction, including without limitation the rights to use,
   9  *   copy, modify, merge, publish, distribute, sublicense, and/or
  10  *   sell copies of the Software, and to permit persons to whom
  11  *   the Software is furnished to do so, subject to the following
  12  *   conditions:
  13  *
  14  *   The above copyright notice and this permission notice shall
  15  *   be included in all copies or substantial portions of the Software.
  16  *
  17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  24  *   OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  * -----------------------------------------------------------------------
  27 */
  28
  29 #include "hdt-cli.h"
  30 #include "hdt-common.h"
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <stdlib.h>
  34 #include <errno.h>
  35
  36 void main_show_vesa(int argc __unused, char **argv __unused,
  37                     struct s_hardware *hardware)
  38 {
  39     reset_more_printf();
  40     if (hardware->is_vesa_valid == false) {
  41         more_printf("No VESA BIOS detected\n");
  42         return;
  43     }
  44     more_printf("VESA\n");
  45     more_printf(" Vesa version : %d.%d\n", hardware->vesa.major_version,
  46                 hardware->vesa.minor_version);
  47     more_printf(" Vendor       : %s\n", hardware->vesa.vendor);
  48     more_printf(" Product      : %s\n", hardware->vesa.product);
  49     more_printf(" Product rev. : %s\n", hardware->vesa.product_revision);
  50     more_printf(" Software rev.: %d\n", hardware->vesa.software_rev);
  51     more_printf(" Memory (KB)  : %d\n", hardware->vesa.total_memory * 64);
  52     more_printf(" Modes        : %d\n", hardware->vesa.vmi_count);
  53 }
  54
  55 static void show_vesa_modes(int argc __unused, char **argv __unused,
  56                             struct s_hardware *hardware)
  57 {
  58     reset_more_printf();
  59     if (hardware->is_vesa_valid == false) {
  60         more_printf("No VESA BIOS detected\n");
  61         return;
  62     }
  63     more_printf(" ResH. x ResV x Bits : vga= : Vesa Mode\n");
  64     more_printf("----------------------------------------\n");
  65
  66     for (int i = 0; i < hardware->vesa.vmi_count; i++) {
  67         struct vesa_mode_info *mi = &hardware->vesa.vmi[i].mi;
  68         /*
  69          * Sometimes, vesa bios reports 0x0 modes.
  70          * We don't need to display that ones.
  71          */
  72         if ((mi->h_res == 0) || (mi->v_res == 0))
  73             continue;
  74         more_printf("%5u %5u    %3u     %3d     0x%04x\n",
  75                     mi->h_res, mi->v_res, mi->bpp,
  76                     hardware->vesa.vmi[i].mode + 0x200,
  77                     hardware->vesa.vmi[i].mode);
  78     }
  79 }
  80
  81 static void enable_vesa(int argc __unused, char **argv __unused,
  82                         struct s_hardware *hardware)
  83 {
  84     vesamode = true;
  85     max_console_lines = MAX_VESA_CLI_LINES;
  86     init_console(hardware);
  87 }
  88
  89 static void disable_vesa(int argc __unused, char **argv __unused,
  90                          struct s_hardware *hardware)
  91 {
  92     vesamode = false;
  93     max_console_lines = MAX_CLI_LINES;
  94     init_console(hardware);
  95 }
  96
  97 struct cli_callback_descr list_vesa_show_modules[] = {
  98     {
  99      .name = CLI_MODES,
 100      .exec = show_vesa_modes,
 101      },
 102     {
 103      .name = NULL,
 104      .exec = NULL,
 105      },
 106 };
 107
 108 struct cli_callback_descr list_vesa_commands[] = {
 109     {
 110      .name = CLI_ENABLE,
 111      .exec = enable_vesa,
 112      },
 113     {
 114      .name = CLI_DISABLE,
 115      .exec = disable_vesa,
 116      },
 117
 118     {
 119      .name = NULL,
 120      .exec = NULL,
 121      },
 122 };
 123
 124 struct cli_module_descr vesa_show_modules = {
 125     .modules = list_vesa_show_modules,
 126     .default_callback = main_show_vesa,
 127 };
 128
 129 struct cli_module_descr vesa_commands = {
 130     .modules = list_vesa_commands,
 131     .default_callback = enable_vesa,
 132 };
 133
 134 struct cli_mode_descr vesa_mode = {
 135     .mode = VESA_MODE,
 136     .name = CLI_VESA,
 137     .default_modules = &vesa_commands,
 138     .show_modules = &vesa_show_modules,
 139     .set_modules = NULL,
 140 };