Aurelien
/
xf86-video-intel
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

bios_reader: parse driver feature BDB

This commit is contained in:
Zhenyu Wang 2009-02-18 11:26:58 +08:00
parent 62ca1c4798
commit 527e8177cd
2 changed files with 95 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
src/bios_reader/bios_reader.c
View File

@ -359,6 +359,64 @@ static void dump_lvds_data(void)
free(block);
}
static void dump_driver_feature(void)
{
struct bdb_block *block;
struct bdb_driver_feature *feature;
block = find_section(BDB_DRIVER_FEATURES);
if (!block) {
printf("No Driver feature data block\n");
return;
}
feature = block->data;
printf("Driver feature Data Block:\n");
printf("\tBoot Device Algorithm: %s\n", feature->boot_dev_algorithm ?
"driver default": "os default");
printf("\tBlock display switching when DVD active: %s\n",
YESNO(feature->block_display_switch));
printf("\tAllow display switching when in Full Screen DOS: %s\n",
YESNO(feature->allow_display_switch));
printf("\tHot Plug DVO: %s\n", YESNO(feature->hotplug_dvo));
printf("\tDual View Zoom: %s\n", YESNO(feature->dual_view_zoom));
printf("\tDriver INT 15h hook: %s\n", YESNO(feature->int15h_hook));
printf("\tEnable Sprite in Clone Mode: %s\n", YESNO(feature->sprite_in_clone));
printf("\tUse 00000110h ID for Primary LFP: %s\n", YESNO(feature->primary_lfp_id));
printf("\tBoot Mode X: %u\n", feature->boot_mode_x);
printf("\tBoot Mode Y: %u\n", feature->boot_mode_y);
printf("\tBoot Mode Bpp: %u\n", feature->boot_mode_bpp);
printf("\tBoot Mode Refresh: %u\n", feature->boot_mode_refresh);
printf("\tEnable LFP as primary: %s\n", YESNO(feature->enable_lfp_primary));
printf("\tSelective Mode Pruning: %s\n", YESNO(feature->selective_mode_pruning));
printf("\tDual-Frequency Graphics Technology: %s\n", YESNO(feature->dual_frequency));
printf("\tDefault Render Clock Frequency: %s\n", feature->render_clock_freq ? "low" : "high");
printf("\tNT 4.0 Dual Display Clone Support: %s\n", YESNO(feature->nt_clone_support));
printf("\tDefault Power Scheme user interface: %s\n", feature->power_scheme_ui ? "3rd party":"CUI");
printf("\tSprite Display Assignment when Overlay is Active in Clone Mode: %s\n",
feature->sprite_display_assign ? "primary" : "secondary");
printf("\tDisplay Maintain Aspect Scaling via CUI: %s\n", YESNO(feature->cui_aspect_scaling));
printf("\tPreserve Aspect Ratio: %s\n", YESNO(feature->preserve_aspect_ratio));
printf("\tEnable SDVO device power down: %s\n", YESNO(feature->sdvo_device_power_down));
printf("\tCRT hotplug: %s\n", YESNO(feature->crt_hotplug));
printf("\tLVDS config: ");
switch (feature->lvds_config) {
case BDB_DRIVER_NO_LVDS:
printf("No LVDS\n");
break;
case BDB_DRIVER_INTER_LVDS:
printf("Integrated LVDS\n");
break;
case BDB_DRIVER_SDVO_LVDS:
printf("SDVO LVDS\n");
break;
case BDB_DRIVER_ALL_LVDS:
printf("Both Integrated LVDS and SDVO LVDS\n");
break;
}
free(block);
}
int main(int argc, char **argv)
{
int fd;
@ -433,5 +491,7 @@ int main(int argc, char **argv)
dump_lvds_data();
dump_lvds_ptr_data();
dump_driver_feature();
return 0;
}

35
src/i830_bios.h
View File

@ -395,6 +395,41 @@ struct vch_bdb_22 {
struct vch_panel_data panels[16];
} __attribute__((packed));
#define BDB_DRIVER_NO_LVDS 0
#define BDB_DRIVER_INTER_LVDS 1
#define BDB_DRIVER_SDVO_LVDS 2
#define BDB_DRIVER_ALL_LVDS 3
struct bdb_driver_feature {
uint8_t boot_dev_algorithm:1;
uint8_t block_display_switch:1;
uint8_t allow_display_switch:1;
uint8_t hotplug_dvo:1;
uint8_t dual_view_zoom:1;
uint8_t int15h_hook:1;
uint8_t sprite_in_clone:1;
uint8_t primary_lfp_id:1;
uint16_t boot_mode_x;
uint16_t boot_mode_y;
uint8_t boot_mode_bpp;
uint8_t boot_mode_refresh;
uint16_t enable_lfp_primary:1;
uint16_t selective_mode_pruning:1;
uint16_t dual_frequency:1;
uint16_t render_clock_freq:1; /* 0: high freq; 1: low freq */
uint16_t nt_clone_support:1;
uint16_t power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
uint16_t sprite_display_assign:1; /* 0: secondary; 1: primary */
uint16_t cui_aspect_scaling:1;
uint16_t preserve_aspect_ratio:1;
uint16_t sdvo_device_power_down:1;
uint16_t crt_hotplug:1;
uint16_t lvds_config:2;
uint16_t reserved:3;
} __attribute__((packed));
#ifndef REG_DUMPER
int i830_bios_init(ScrnInfoPtr pScrn);
#endif