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bios reader: Decode device type from child device table

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Signed-off-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Adam Jackson 2010-04-22 15:37:49 -04:00
parent a5b1e98edb
commit a52cbcbf56
2 changed files with 74 additions and 14 deletions
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5
tools/intel_bios.h
View File

@ -158,6 +158,11 @@ struct bdb_general_features {
#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
#define DEVICE_TYPE_INT_LFP 0x1022
#define DEVICE_TYPE_INT_TV 0x1009
#define DEVICE_TYPE_HDMI 0x60D2
#define DEVICE_TYPE_DP 0x68C6
#define DEVICE_TYPE_eDP 0x78C6
#define DEVICE_CFG_NONE 0x00
#define DEVICE_CFG_12BIT_DVOB 0x01

83
tools/intel_bios_reader.c
View File

@ -202,13 +202,79 @@ static void dump_backlight_info(void)
printf("\tI2C command: 0x%02x\n", blc->i2c_cmd);
}
static const struct {
unsigned short type;
const char *name;
} child_device_types[] = {
{ DEVICE_TYPE_NONE, "none" },
{ DEVICE_TYPE_CRT, "CRT" },
{ DEVICE_TYPE_TV, "TV" },
{ DEVICE_TYPE_EFP, "EFP" },
{ DEVICE_TYPE_LFP, "LFP" },
{ DEVICE_TYPE_CRT_DPMS, "CRT" },
{ DEVICE_TYPE_CRT_DPMS_HOTPLUG, "CRT" },
{ DEVICE_TYPE_TV_COMPOSITE, "TV composite" },
{ DEVICE_TYPE_TV_MACROVISION, "TV" },
{ DEVICE_TYPE_TV_RF_COMPOSITE, "TV" },
{ DEVICE_TYPE_TV_SVIDEO_COMPOSITE, "TV S-Video" },
{ DEVICE_TYPE_TV_SCART, "TV SCART" },
{ DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR, "TV" },
{ DEVICE_TYPE_EFP_HOTPLUG_PWR, "EFP" },
{ DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR, "DVI" },
{ DEVICE_TYPE_EFP_DVI_I, "DVI-I" },
{ DEVICE_TYPE_EFP_DVI_D_DUAL, "DL-DVI-D" },
{ DEVICE_TYPE_EFP_DVI_D_HDCP, "DVI-D" },
{ DEVICE_TYPE_OPENLDI_HOTPLUG_PWR, "OpenLDI" },
{ DEVICE_TYPE_OPENLDI_DUALPIX, "OpenLDI" },
{ DEVICE_TYPE_LFP_PANELLINK, "PanelLink" },
{ DEVICE_TYPE_LFP_CMOS_PWR, "CMOS LFP" },
{ DEVICE_TYPE_LFP_LVDS_PWR, "LVDS" },
{ DEVICE_TYPE_LFP_LVDS_DUAL, "LVDS" },
{ DEVICE_TYPE_LFP_LVDS_DUAL_HDCP, "LVDS" },
{ DEVICE_TYPE_INT_LFP, "LFP" },
{ DEVICE_TYPE_INT_TV, "TV" },
{ DEVICE_TYPE_HDMI, "HDMI" },
{ DEVICE_TYPE_DP, "DisplayPort" },
{ DEVICE_TYPE_eDP, "eDP" },
};
static const int num_child_device_types =
sizeof(child_device_types) / sizeof(child_device_types[0]);
static const char *child_device_type(unsigned short type)
{
int i;
for (i = 0; i < num_child_device_types; i++)
if (child_device_types[i].type == type)
return child_device_types[i].name;
return "unknown";
}
static void dump_child_device(struct child_device_config *child)
{
char child_id[11];
if (!child->device_type)
return;
strncpy(child_id, (char *)child->device_id, 10);
child_id[10] = 0;
printf("\tChild device info:\n");
printf("\t\tDevice type: %04x (%s)\n", child->device_type,
child_device_type(child->device_type));
printf("\t\tSignature: %s\n", child_id);
printf("\t\tAIM offset: %d\n", child->addin_offset);
printf("\t\tDVO port: 0x%02x\n", child->dvo_port);
}
static void dump_general_definitions(void)
{
struct bdb_block *block;
struct bdb_general_definitions *defs;
struct child_device_config *child;
int i;
char child_id[11];
int child_device_num;
block = find_section(BDB_GENERAL_DEFINITIONS);
@ -230,19 +296,8 @@ static void dump_general_definitions(void)
defs->boot_display[0]);
printf("\tTV data block present: %s\n", YESNO(tv_present));
child_device_num = (block->size - sizeof(*defs)) / sizeof(*child);
for (i = 0; i < child_device_num; i++) {
child = &defs->devices[i];
if (!child->device_type) {
printf("\tChild device %d not present\n", i);
continue;
}
strncpy(child_id, (char *)child->device_id, 10);
child_id[10] = 0;
printf("\tChild %d device info:\n", i);
printf("\t\tSignature: %s\n", child_id);
printf("\t\tAIM offset: %d\n", child->addin_offset);
printf("\t\tDVO port: 0x%02x\n", child->dvo_port);
}
for (i = 0; i < child_device_num; i++)
dump_child_device(&defs->devices[i]);
free(block);
}