bios reader: Decode device type from child device table
Signed-off-by: Adam Jackson <ajax@redhat.com>
diff --git a/tools/intel_bios.h b/tools/intel_bios.h
index 8af7e52..19564e4 100644
--- a/tools/intel_bios.h
+++ b/tools/intel_bios.h
@@ -158,6 +158,11 @@
#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
diff --git a/tools/intel_bios_reader.c b/tools/intel_bios_reader.c
index 6b79aec..c7c3015 100644
--- a/tools/intel_bios_reader.c
+++ b/tools/intel_bios_reader.c
@@ -202,13 +202,79 @@
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 @@
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);
}