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     detect_vesa(hardware);
  41     if (hardware->is_vesa_valid == false) {
  42         more_printf("No VESA BIOS detected\n");
  43         return;
  44     }
  45     more_printf("VESA\n");
  46     more_printf(" Vesa version : %d.%d\n", hardware->vesa.major_version,
  47                 hardware->vesa.minor_version);
  48     more_printf(" Vendor       : %s\n", hardware->vesa.vendor);
  49     more_printf(" Product      : %s\n", hardware->vesa.product);
  50     more_printf(" Product rev. : %s\n", hardware->vesa.product_revision);
  51     more_printf(" Software rev.: %d\n", hardware->vesa.software_rev);
  52     more_printf(" Memory (KB)  : %d\n", hardware->vesa.total_memory * 64);
  53     more_printf(" Modes        : %d\n", hardware->vesa.vmi_count);
  54 }
  55
  56 static void show_vesa_modes(int argc __unused, char **argv __unused,
  57                             struct s_hardware *hardware)
  58 {
  59     detect_vesa(hardware);
  60     reset_more_printf();
  61     if (hardware->is_vesa_valid == false) {
  62         more_printf("No VESA BIOS detected\n");
  63         return;
  64     }
  65     more_printf(" ResH. x ResV x Bits : vga= : Vesa Mode\n");
  66     more_printf("----------------------------------------\n");
  67
  68     for (int i = 0; i < hardware->vesa.vmi_count; i++) {
  69         struct vesa_mode_info *mi = &hardware->vesa.vmi[i].mi;
  70         /*
  71          * Sometimes, vesa bios reports 0x0 modes.
  72          * We don't need to display that ones.
  73          */
  74         if ((mi->h_res == 0) || (mi->v_res == 0))
  75             continue;
  76         more_printf("%5u %5u    %3u     %3d     0x%04x\n",
  77                     mi->h_res, mi->v_res, mi->bpp,
  78                     hardware->vesa.vmi[i].mode + 0x200,
  79                     hardware->vesa.vmi[i].mode);
  80     }
  81 }
  82
  83 static void enable_vesa(int argc __unused, char **argv __unused,
  84                         struct s_hardware *hardware)
  85 {
  86     vesamode = true;
  87     max_console_lines = MAX_VESA_CLI_LINES;
  88     init_console(hardware);
  89 }
  90
  91 static void disable_vesa(int argc __unused, char **argv __unused,
  92                          struct s_hardware *hardware)
  93 {
  94     vesamode = false;
  95     max_console_lines = MAX_CLI_LINES;
  96     init_console(hardware);
  97 }
  98
  99 struct cli_callback_descr list_vesa_show_modules[] = {
 100     {
 101      .name = CLI_MODES,
 102      .exec = show_vesa_modes,
 103      },
 104     {
 105      .name = NULL,
 106      .exec = NULL,
 107      },
 108 };
 109
 110 struct cli_callback_descr list_vesa_commands[] = {
 111     {
 112      .name = CLI_ENABLE,
 113      .exec = enable_vesa,
 114      },
 115     {
 116      .name = CLI_DISABLE,
 117      .exec = disable_vesa,
 118      },
 119
 120     {
 121      .name = NULL,
 122      .exec = NULL,
 123      },
 124 };
 125
 126 struct cli_module_descr vesa_show_modules = {
 127     .modules = list_vesa_show_modules,
 128     .default_callback = main_show_vesa,
 129 };
 130
 131 struct cli_module_descr vesa_commands = {
 132     .modules = list_vesa_commands,
 133     .default_callback = enable_vesa,
 134 };
 135
 136 struct cli_mode_descr vesa_mode = {
 137     .mode = VESA_MODE,
 138     .name = CLI_VESA,
 139     .default_modules = &vesa_commands,
 140     .show_modules = &vesa_show_modules,
 141     .set_modules = NULL,
 142 };