tools: rename intel_bios_reader to intel_vbt_decode

After all these years intel_bios_reader and intel_bios_dumper still
manage to confuse me. Read or dump, which one decodes. Rename
intel_bios_reader to intel_vbt_decode to be in line with the naming of
all the other tools (particularly the closely related
intel_opregion_decode tool) that decode previously gathered or dumped
information.

Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Petri Latvala <petri.latvala@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

1 files changed, 1910 insertions, 0 deletions

diff --git a/tools/intel_vbt_decode.c b/tools/intel_vbt_decode.c
new file mode 100644
index 00000000..301cd1cc
--- /dev/null
+++ b/tools/intel_vbt_decode.c
@@ -0,0 +1,1910 @@
+/*
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "intel_bios.h"
+#include "intel_io.h"
+#include "intel_chipset.h"
+#include "drmtest.h"
+
+/* no bother to include "edid.h" */
+#define _H_ACTIVE(x) (x[2] + ((x[4] & 0xF0) << 4))
+#define _H_SYNC_OFF(x) (x[8] + ((x[11] & 0xC0) << 2))
+#define _H_SYNC_WIDTH(x) (x[9] + ((x[11] & 0x30) << 4))
+#define _H_BLANK(x) (x[3] + ((x[4] & 0x0F) << 8))
+#define _V_ACTIVE(x) (x[5] + ((x[7] & 0xF0) << 4))
+#define _V_SYNC_OFF(x) ((x[10] >> 4) + ((x[11] & 0x0C) << 2))
+#define _V_SYNC_WIDTH(x) ((x[10] & 0x0F) + ((x[11] & 0x03) << 4))
+#define _V_BLANK(x) (x[6] + ((x[7] & 0x0F) << 8))
+#define _PIXEL_CLOCK(x) (x[0] + (x[1] << 8)) * 10000
+
+#define YESNO(val) ((val) ? "yes" : "no")
+
+/* This is not for mapping to memory layout. */
+struct bdb_block {
+	uint8_t id;
+	uint32_t size;
+	const void *data;
+};
+
+struct context {
+	const struct vbt_header *vbt;
+	const struct bdb_header *bdb;
+	int size;
+
+	uint32_t devid;
+	int panel_type;
+	bool dump_all_panel_types;
+	bool hexdump;
+};
+
+/* Get BDB block size given a pointer to Block ID. */
+static uint32_t _get_blocksize(const uint8_t *block_base)
+{
+	/* The MIPI Sequence Block v3+ has a separate size field. */
+	if (*block_base == BDB_MIPI_SEQUENCE && *(block_base + 3) >= 3)
+		return *((const uint32_t *)(block_base + 4));
+	else
+		return *((const uint16_t *)(block_base + 1));
+}
+
+static struct bdb_block *find_section(struct context *context, int section_id)
+{
+	const struct bdb_header *bdb = context->bdb;
+	int length = context->size;
+	struct bdb_block *block;
+	const uint8_t *base = (const uint8_t *)bdb;
+	int index = 0;
+	uint32_t total, current_size;
+	unsigned char current_id;
+
+	/* skip to first section */
+	index += bdb->header_size;
+	total = bdb->bdb_size;
+	if (total > length)
+		total = length;
+
+	block = malloc(sizeof(*block));
+	if (!block) {
+		fprintf(stderr, "out of memory\n");
+		exit(EXIT_FAILURE);
+	}
+
+	/* walk the sections looking for section_id */
+	while (index + 3 < total) {
+		current_id = *(base + index);
+		current_size = _get_blocksize(base + index);
+		index += 3;
+
+		if (index + current_size > total)
+			return NULL;
+
+		if (current_id == section_id) {
+			block->id = current_id;
+			block->size = current_size;
+			block->data = base + index;
+			return block;
+		}
+
+		index += current_size;
+	}
+
+	free(block);
+	return NULL;
+}
+
+static void dump_general_features(struct context *context,
+				  const struct bdb_block *block)
+{
+	const struct bdb_general_features *features = block->data;
+
+	printf("\tPanel fitting: ");
+	switch (features->panel_fitting) {
+	case 0:
+		printf("disabled\n");
+		break;
+	case 1:
+		printf("text only\n");
+		break;
+	case 2:
+		printf("graphics only\n");
+		break;
+	case 3:
+		printf("text & graphics\n");
+		break;
+	}
+	printf("\tFlexaim: %s\n", YESNO(features->flexaim));
+	printf("\tMessage: %s\n", YESNO(features->msg_enable));
+	printf("\tClear screen: %d\n", features->clear_screen);
+	printf("\tDVO color flip required: %s\n", YESNO(features->color_flip));
+
+	printf("\tExternal VBT: %s\n", YESNO(features->download_ext_vbt));
+	printf("\tEnable SSC: %s\n", YESNO(features->enable_ssc));
+	if (features->enable_ssc) {
+		if (!context->devid)
+			printf("\tSSC frequency: <unknown platform>\n");
+		else if (IS_VALLEYVIEW(context->devid) ||
+			 IS_CHERRYVIEW(context->devid) ||
+			 IS_BROXTON(context->devid))
+			printf("\tSSC frequency: 100 MHz\n");
+		else if (HAS_PCH_SPLIT(context->devid))
+			printf("\tSSC frequency: %s\n", features->ssc_freq ?
+			       "100 MHz" : "120 MHz");
+		else
+			printf("\tSSC frequency: %s\n", features->ssc_freq ?
+			       "100 MHz (66 MHz on 855)" : "96 MHz (48 MHz on 855)");
+	}
+	printf("\tLFP on override: %s\n",
+	       YESNO(features->enable_lfp_on_override));
+	printf("\tDisable SSC on clone: %s\n",
+	       YESNO(features->disable_ssc_ddt));
+	printf("\tUnderscan support for VGA timings: %s\n",
+	       YESNO(features->underscan_vga_timings));
+	if (context->bdb->version >= 183)
+		printf("\tDynamic CD clock: %s\n", YESNO(features->dynamic_cdclk));
+	printf("\tHotplug support in VBIOS: %s\n",
+	       YESNO(features->vbios_hotplug_support));
+
+	printf("\tDisable smooth vision: %s\n",
+	       YESNO(features->disable_smooth_vision));
+	printf("\tSingle DVI for CRT/DVI: %s\n", YESNO(features->single_dvi));
+	if (context->bdb->version >= 181)
+		printf("\tEnable 180 degree rotation: %s\n", YESNO(features->rotate_180));
+	printf("\tInverted FDI Rx polarity: %s\n", YESNO(features->fdi_rx_polarity));
+	if (context->bdb->version >= 160) {
+		printf("\tExtended VBIOS mode: %s\n", YESNO(features->vbios_extended_mode));
+		printf("\tCopy iLFP DTD to SDVO LVDS DTD: %s\n", YESNO(features->copy_ilfp_dtd_to_sdvo_lvds_dtd));
+		printf("\tBest fit panel timing algorithm: %s\n", YESNO(features->panel_best_fit_timing));
+		printf("\tIgnore strap state: %s\n", YESNO(features->ignore_strap_state));
+	}
+
+	printf("\tLegacy monitor detect: %s\n",
+	       YESNO(features->legacy_monitor_detect));
+
+	printf("\tIntegrated CRT: %s\n", YESNO(features->int_crt_support));
+	printf("\tIntegrated TV: %s\n", YESNO(features->int_tv_support));
+	printf("\tIntegrated EFP: %s\n", YESNO(features->int_efp_support));
+	printf("\tDP SSC enable: %s\n", YESNO(features->dp_ssc_enable));
+	if (features->dp_ssc_enable) {
+		if (IS_VALLEYVIEW(context->devid) || IS_CHERRYVIEW(context->devid) ||
+		    IS_BROXTON(context->devid))
+			printf("\tSSC frequency: 100 MHz\n");
+		else if (HAS_PCH_SPLIT(context->devid))
+			printf("\tSSC frequency: %s\n", features->dp_ssc_freq ?
+			       "100 MHz" : "120 MHz");
+		else
+			printf("\tSSC frequency: %s\n", features->dp_ssc_freq ?
+			       "100 MHz" : "96 MHz");
+	}
+	printf("\tDP SSC dongle supported: %s\n", YESNO(features->dp_ssc_dongle_supported));
+}
+
+static void dump_backlight_info(struct context *context,
+				const struct bdb_block *block)
+{
+	const struct bdb_lvds_backlight *backlight = block->data;
+	const struct blc_struct *blc;
+
+	if (sizeof(struct blc_struct) != backlight->blcstruct_size) {
+		printf("\tBacklight struct sizes don't match (expected %zu, got %u), skipping\n",
+		     sizeof(struct blc_struct), backlight->blcstruct_size);
+		return;
+	}
+
+	blc = &backlight->panels[context->panel_type];
+
+	printf("\tInverter type: %d\n", blc->inverter_type);
+	printf("\t     polarity: %d\n", blc->inverter_polarity);
+	printf("\t    GPIO pins: %d\n", blc->gpio_pins);
+	printf("\t  GMBUS speed: %d\n", blc->gmbus_speed);
+	printf("\t     PWM freq: %d\n", blc->pwm_freq);
+	printf("\tMinimum brightness: %d\n", blc->min_brightness);
+	printf("\tI2C slave addr: 0x%02x\n", blc->i2c_slave_addr);
+	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_DP, "DisplayPort" },
+	{ DEVICE_TYPE_DP_HDMI_DVI, "DisplayPort/HDMI/DVI" },
+	{ DEVICE_TYPE_DP_DVI, "DisplayPort/DVI" },
+	{ DEVICE_TYPE_HDMI_DVI, "HDMI/DVI" },
+	{ DEVICE_TYPE_DVI, "DVI" },
+	{ DEVICE_TYPE_eDP, "eDP" },
+	{ DEVICE_TYPE_MIPI, "MIPI" },
+};
+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 const char * const child_device_type_bits[] = {
+	[DEVICE_TYPE_CLASS_EXTENSION] = "Class extension",
+	[DEVICE_TYPE_POWER_MANAGEMENT] = "Power management",
+	[DEVICE_TYPE_HOTPLUG_SIGNALING] = "Hotplug signaling",
+	[DEVICE_TYPE_INTERNAL_CONNECTOR] = "Internal connector",
+	[DEVICE_TYPE_NOT_HDMI_OUTPUT] = "HDMI output", /* decoded as inverse */
+	[DEVICE_TYPE_MIPI_OUTPUT] = "MIPI output",
+	[DEVICE_TYPE_COMPOSITE_OUTPUT] = "Composite output",
+	[DEVICE_TYPE_DIAL_CHANNEL] = "Dual channel",
+	[DEVICE_TYPE_CONTENT_PROTECTION] = "Content protection",
+	[DEVICE_TYPE_HIGH_SPEED_LINK] = "High speel link",
+	[DEVICE_TYPE_LVDS_SIGNALING] = "LVDS signaling",
+	[DEVICE_TYPE_TMDS_DVI_SIGNALING] = "TMDS/DVI signaling",
+	[DEVICE_TYPE_VIDEO_SIGNALING] = "Video signaling",
+	[DEVICE_TYPE_DISPLAYPORT_OUTPUT] = "DisplayPort output",
+	[DEVICE_TYPE_DIGITAL_OUTPUT] = "Digital output",
+	[DEVICE_TYPE_ANALOG_OUTPUT] = "Analog output",
+};
+
+static void dump_child_device_type_bits(uint16_t type)
+{
+	int bit;
+
+	type ^= 1 << DEVICE_TYPE_NOT_HDMI_OUTPUT;
+
+	for (bit = 15; bit >= 0; bit--) {
+		if (type & (1 << bit))
+			printf("\t\t\t%s\n", child_device_type_bits[bit]);
+	}
+}
+
+static const struct {
+	unsigned char handle;
+	const char *name;
+} child_device_handles[] = {
+	{ DEVICE_HANDLE_CRT, "CRT" },
+	{ DEVICE_HANDLE_EFP1, "EFP 1 (HDMI/DVI/DP)" },
+	{ DEVICE_HANDLE_EFP2, "EFP 2 (HDMI/DVI/DP)" },
+	{ DEVICE_HANDLE_EFP3, "EFP 3 (HDMI/DVI/DP)" },
+	{ DEVICE_HANDLE_EFP4, "EFP 4 (HDMI/DVI/DP)" },
+	{ DEVICE_HANDLE_LPF1, "LFP 1 (eDP)" },
+	{ DEVICE_HANDLE_LFP2, "LFP 2 (eDP)" },
+};
+static const int num_child_device_handles =
+	sizeof(child_device_handles) / sizeof(child_device_handles[0]);
+
+static const char *child_device_handle(unsigned char handle)
+{
+	int i;
+
+	for (i = 0; i < num_child_device_handles; i++)
+		if (child_device_handles[i].handle == handle)
+			return child_device_handles[i].name;
+
+	return "unknown";
+}
+
+static const struct {
+	unsigned short type;
+	const char *name;
+} efp_ports[] = {
+	{ DEVICE_PORT_NONE, "N/A" },
+	{ DEVICE_PORT_HDMIB, "HDMI-B" },
+	{ DEVICE_PORT_HDMIC, "HDMI-C" },
+	{ DEVICE_PORT_HDMID, "HDMI-D" },
+	{ DEVICE_PORT_DPB, "DP-B" },
+	{ DEVICE_PORT_DPC, "DP-C" },
+	{ DEVICE_PORT_DPD, "DP-D" },
+};
+static const int num_efp_ports = sizeof(efp_ports) / sizeof(efp_ports[0]);
+
+static const char *efp_port(uint8_t type)
+{
+	int i;
+
+	for (i = 0; i < num_efp_ports; i++)
+		if (efp_ports[i].type == type)
+			return efp_ports[i].name;
+
+	return "unknown";
+}
+
+static const struct {
+	unsigned short type;
+	const char *name;
+} efp_conn_info[] = {
+	{ DEVICE_INFO_NONE, "N/A" },
+	{ DEVICE_INFO_HDMI_CERT, "HDMI certified" },
+	{ DEVICE_INFO_DP, "DisplayPort" },
+	{ DEVICE_INFO_DVI, "DVI" },
+};
+static const int num_efp_conn_info = sizeof(efp_conn_info) / sizeof(efp_conn_info[0]);
+
+static const char *efp_conn(uint8_t type)
+{
+	int i;
+
+	for (i = 0; i < num_efp_conn_info; i++)
+		if (efp_conn_info[i].type == type)
+			return efp_conn_info[i].name;
+
+	return "unknown";
+}
+
+static void dump_child_device(struct context *context,
+			      const struct child_device_config *child)
+{
+	char child_id[11];
+
+	if (!child->device_type)
+		return;
+
+	if (context->bdb->version < 152) {
+		strncpy(child_id, (const 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);
+	} else { /* 152+ have EFP blocks here */
+		const struct efp_child_device_config *efp =
+			(const struct efp_child_device_config *)child;
+		printf("\tEFP device info:\n");
+		printf("\t\tDevice handle: 0x%04x (%s)\n", efp->handle,
+		       child_device_handle(efp->handle));
+		printf("\t\tDevice type: 0x%04x (%s)\n", efp->device_type,
+		       child_device_type(efp->device_type));
+		dump_child_device_type_bits(efp->device_type);
+		printf("\t\tI2C speed: 0x%02x\n", efp->i2c_speed);
+		printf("\t\tDP onboard redriver: 0x%02x\n", efp->dp_onboard_redriver);
+		printf("\t\tDP ondock redriver: 0x%02x\n", efp->dp_ondock_redriver);
+		printf("\t\tHDMI max data rate: 0x%02x\n", efp->hdmi_max_data_rate);
+		printf("\t\tHDMI level shifter value: 0x%02x\n", efp->hdmi_level_shifter_value);
+		printf("\t\tOffset to DTD buffer for edidless EFP: 0x%02x\n", efp->dtd_buf_ptr);
+		printf("\t\tDual pipe ganged eDP: %s\n", YESNO(efp->ganged_edp));
+		printf("\t\tCompression method CPS: %s\n", YESNO(efp->compression_method));
+		printf("\t\tCompression enable: %s\n", YESNO(efp->compression_enable));
+		printf("\t\tEdidless EFP: %s\n", YESNO(efp->edidless_efp));
+		printf("\t\tCompression structure index: 0x%02x)\n", efp->compression_structure_index);
+		printf("\t\tSlave DDI port: 0x%02x (%s)\n", efp->slave_port, efp_port(efp->slave_port));
+		printf("\t\tAIM offset: %d\n", child->addin_offset);
+		printf("\t\tPort: 0x%02x (%s)\n", efp->port, efp_port(efp->port));
+		printf("\t\tAIM I2C pin: 0x%02x\n", efp->i2c_pin);
+		printf("\t\tAIM Slave address: 0x%02x\n", efp->slave_addr);
+		printf("\t\tDDC pin: 0x%02x\n", efp->ddc_pin);
+		printf("\t\tEDID buffer ptr: 0x%02x\n", efp->edid_ptr);
+		printf("\t\tDVO config: 0x%02x\n", efp->dvo_config);
+		printf("\t\tHPD sense invert: %s\n", YESNO(efp->hpd_invert));
+		printf("\t\tIboost enable: %s\n", YESNO(efp->iboost_enable));
+		printf("\t\tOnboard LSPCON: %s\n", YESNO(efp->onboard_lspcon));
+		printf("\t\tLane reversal: %s\n", YESNO(efp->lane_reversal));
+		printf("\t\tEFP routed through dock: %s\n", YESNO(efp->efp_docked_port));
+		printf("\t\tHDMI compatible? %s\n", YESNO(efp->hdmi_compat));
+		printf("\t\tDP compatible? %s\n", YESNO(efp->dp_compat));
+		printf("\t\tTMDS compatible? %s\n", YESNO(efp->tmds_compat));
+		printf("\t\tAux channel: 0x%02x\n", efp->aux_chan);
+		printf("\t\tDongle detect: 0x%02x\n", efp->dongle_detect);
+		printf("\t\tIntegrated encoder instead of SDVO: %s\n", YESNO(efp->integrated_encoder));
+		printf("\t\tHotplu connect status: 0x%02x\n", efp->hpd_status);
+		printf("\t\tSDVO stall signal available: %s\n", YESNO(efp->sdvo_stall));
+		printf("\t\tPipe capabilities: 0x%02x\n", efp->pipe_cap);
+		printf("\t\tDVO wiring: 0x%02x\n", efp->dvo_wiring);
+		printf("\t\tMIPI bridge type:");
+		switch (efp->mipi_bridge_type) {
+		case 1:
+			printf("ASUS\n");
+			break;
+		case 2:
+			printf("Toshiba\n");
+			break;
+		case 3:
+			printf("Renesas\n");
+			break;
+		default:
+			printf("(unknown value %d)\n", efp->mipi_bridge_type);
+			break;
+		}
+		printf("\t\tDevice class extendsion: 0x%02x\n", efp->device_class_ext);
+		printf("\t\tDVO function: 0x%02x\n", efp->dvo_function);
+	}
+
+	if (context->bdb->version >= 195) {
+		const struct efp_child_device_config *efp =
+			(const struct efp_child_device_config *)child;
+		printf("\t\tDP USB type C support: %s\n", YESNO(efp->dp_usb_type_c));
+		printf("\t\t2X DP GPIO index: 0x%02x\n", efp->dp_usb_type_c_2x_gpio_index);
+		printf("\t\t2X DP GPIO pin number: 0x%02x\n", efp->dp_usb_type_c_2x_gpio_pin);
+	}
+
+	if (context->bdb->version >= 196) {
+		const struct efp_child_device_config *efp =
+			(const struct efp_child_device_config *)child;
+		printf("\t\tIBoost level for HDMI: 0x%02x\n", efp->iboost_hdmi);
+		printf("\t\tIBoost level for DP/eDP: 0x%02x\n", efp->iboost_dp);
+	}
+}
+
+static void dump_general_definitions(struct context *context,
+				     const struct bdb_block *block)
+{
+	const struct bdb_general_definitions *defs = block->data;
+	int i;
+	int child_device_num;
+
+	printf("\tCRT DDC GMBUS addr: 0x%02x\n", defs->crt_ddc_gmbus_pin);
+	printf("\tUse ACPI DPMS CRT power states: %s\n",
+	       YESNO(defs->dpms_acpi));
+	printf("\tSkip CRT detect at boot: %s\n",
+	       YESNO(defs->skip_boot_crt_detect));
+	printf("\tUse DPMS on AIM devices: %s\n", YESNO(defs->dpms_aim));
+	printf("\tBoot display type: 0x%02x%02x\n", defs->boot_display[1],
+	       defs->boot_display[0]);
+	printf("\tChild device size: %d\n", defs->child_dev_size);
+	child_device_num = (block->size - sizeof(*defs)) /
+		defs->child_dev_size;
+	for (i = 0; i < child_device_num; i++)
+		dump_child_device(context, (const void*)&defs->devices[i * defs->child_dev_size]);
+}
+
+static void dump_child_devices(struct context *context,
+			       const struct bdb_block *block)
+{
+	const struct bdb_child_devices *child_devs = block->data;
+	const struct child_device_config *child;
+	int i;
+
+	for (i = 0; i < DEVICE_CHILD_SIZE; i++) {
+		child = &child_devs->children[i];
+		/* Skip nonexistent children */
+		if (!child->device_type)
+			continue;
+		printf("\tChild device %d\n", i);
+		printf("\t\tType: 0x%04x (%s)\n", child->device_type,
+		       child_device_type(child->device_type));
+		printf("\t\tDVO port: 0x%02x\n", child->dvo_port);
+		printf("\t\tI2C pin: 0x%02x\n", child->i2c_pin);
+		printf("\t\tSlave addr: 0x%02x\n", child->slave_addr);
+		printf("\t\tDDC pin: 0x%02x\n", child->ddc_pin);
+		printf("\t\tDVO config: 0x%02x\n", child->dvo_cfg);
+		printf("\t\tDVO wiring: 0x%02x\n", child->dvo_wiring);
+	}
+}
+
+static void dump_lvds_options(struct context *context,
+			      const struct bdb_block *block)
+{
+	const struct bdb_lvds_options *options = block->data;
+
+	if (context->panel_type == options->panel_type)
+		printf("\tPanel type: %d\n", options->panel_type);
+	else
+		printf("\tPanel type: %d (override %d)\n",
+		       options->panel_type, context->panel_type);
+	printf("\tLVDS EDID available: %s\n", YESNO(options->lvds_edid));
+	printf("\tPixel dither: %s\n", YESNO(options->pixel_dither));
+	printf("\tPFIT auto ratio: %s\n", YESNO(options->pfit_ratio_auto));
+	printf("\tPFIT enhanced graphics mode: %s\n",
+	       YESNO(options->pfit_gfx_mode_enhanced));
+	printf("\tPFIT enhanced text mode: %s\n",
+	       YESNO(options->pfit_text_mode_enhanced));
+	printf("\tPFIT mode: %d\n", options->pfit_mode);
+}
+
+static void dump_lvds_ptr_data(struct context *context,
+			       const struct bdb_block *block)
+{
+	const struct bdb_lvds_lfp_data_ptrs *ptrs = block->data;
+
+	printf("\tNumber of entries: %d\n", ptrs->lvds_entries);
+}
+
+static void dump_lvds_data(struct context *context,
+			   const struct bdb_block *block)
+{
+	const struct bdb_lvds_lfp_data *lvds_data = block->data;
+	struct bdb_block *ptrs_block;
+	const struct bdb_lvds_lfp_data_ptrs *ptrs;
+	int num_entries;
+	int i;
+	int hdisplay, hsyncstart, hsyncend, htotal;
+	int vdisplay, vsyncstart, vsyncend, vtotal;
+	float clock;
+	int lfp_data_size, dvo_offset;
+
+	ptrs_block = find_section(context, BDB_LVDS_LFP_DATA_PTRS);
+	if (!ptrs_block) {
+		printf("No LVDS ptr block\n");
+		return;
+	}
+
+	ptrs = ptrs_block->data;
+
+	lfp_data_size =
+	    ptrs->ptr[1].fp_timing_offset - ptrs->ptr[0].fp_timing_offset;
+	dvo_offset =
+	    ptrs->ptr[0].dvo_timing_offset - ptrs->ptr[0].fp_timing_offset;
+
+	num_entries = block->size / lfp_data_size;
+
+	printf("  Number of entries: %d (preferred block marked with '*')\n",
+	       num_entries);
+
+	for (i = 0; i < num_entries; i++) {
+		const uint8_t *lfp_data_ptr =
+		    (const uint8_t *) lvds_data->data + lfp_data_size * i;
+		const uint8_t *timing_data = lfp_data_ptr + dvo_offset;
+		const struct bdb_lvds_lfp_data_entry *lfp_data =
+		    (const struct bdb_lvds_lfp_data_entry *)lfp_data_ptr;
+		char marker;
+
+		if (i != context->panel_type && !context->dump_all_panel_types)
+			continue;
+
+		if (i == context->panel_type)
+			marker = '*';
+		else
+			marker = ' ';
+
+		hdisplay = _H_ACTIVE(timing_data);
+		hsyncstart = hdisplay + _H_SYNC_OFF(timing_data);
+		hsyncend = hsyncstart + _H_SYNC_WIDTH(timing_data);
+		htotal = hdisplay + _H_BLANK(timing_data);
+
+		vdisplay = _V_ACTIVE(timing_data);
+		vsyncstart = vdisplay + _V_SYNC_OFF(timing_data);
+		vsyncend = vsyncstart + _V_SYNC_WIDTH(timing_data);
+		vtotal = vdisplay + _V_BLANK(timing_data);
+		clock = _PIXEL_CLOCK(timing_data) / 1000;
+
+		printf("%c\tpanel type %02i: %dx%d clock %d\n", marker,
+		       i, lfp_data->fp_timing.x_res, lfp_data->fp_timing.y_res,
+		       _PIXEL_CLOCK(timing_data));
+		printf("\t\tinfo:\n");
+		printf("\t\t  LVDS: 0x%08lx\n",
+		       (unsigned long)lfp_data->fp_timing.lvds_reg_val);
+		printf("\t\t  PP_ON_DELAYS: 0x%08lx\n",
+		       (unsigned long)lfp_data->fp_timing.pp_on_reg_val);
+		printf("\t\t  PP_OFF_DELAYS: 0x%08lx\n",
+		       (unsigned long)lfp_data->fp_timing.pp_off_reg_val);
+		printf("\t\t  PP_DIVISOR: 0x%08lx\n",
+		       (unsigned long)lfp_data->fp_timing.pp_cycle_reg_val);
+		printf("\t\t  PFIT: 0x%08lx\n",
+		       (unsigned long)lfp_data->fp_timing.pfit_reg_val);
+		printf("\t\ttimings: %d %d %d %d %d %d %d %d %.2f (%s)\n",
+		       hdisplay, hsyncstart, hsyncend, htotal,
+		       vdisplay, vsyncstart, vsyncend, vtotal, clock,
+		       (hsyncend > htotal || vsyncend > vtotal) ?
+		       "BAD!" : "good");
+	}
+
+	free(ptrs_block);
+}
+
+static void dump_driver_feature(struct context *context,
+				const struct bdb_block *block)
+{
+	const struct bdb_driver_feature *feature = block->data;
+
+	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_INT_LVDS:
+		printf("Integrated LVDS\n");
+		break;
+	case BDB_DRIVER_SDVO_LVDS:
+		printf("SDVO LVDS\n");
+		break;
+	case BDB_DRIVER_EDP:
+		printf("Embedded DisplayPort\n");
+		break;
+	}
+	printf("\tDefine Display statically: %s\n",
+	       YESNO(feature->static_display));
+	printf("\tLegacy CRT max X: %d\n", feature->legacy_crt_max_x);
+	printf("\tLegacy CRT max Y: %d\n", feature->legacy_crt_max_y);
+	printf("\tLegacy CRT max refresh: %d\n",
+	       feature->legacy_crt_max_refresh);
+}
+
+static void dump_edp(struct context *context,
+		     const struct bdb_block *block)
+{
+	const struct bdb_edp *edp = block->data;
+	int bpp, msa;
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		if (i != context->panel_type && !context->dump_all_panel_types)
+			continue;
+
+		printf("\tPanel %d%s\n", i, context->panel_type == i ? " *" : "");
+
+		printf("\t\tPower Sequence: T3 %d T7 %d T9 %d T10 %d T12 %d\n",
+		       edp->power_seqs[i].t3,
+		       edp->power_seqs[i].t7,
+		       edp->power_seqs[i].t9,
+		       edp->power_seqs[i].t10,
+		       edp->power_seqs[i].t12);
+
+		bpp = (edp->color_depth >> (i * 2)) & 3;
+
+		printf("\t\tPanel color depth: ");
+		switch (bpp) {
+		case EDP_18BPP:
+			printf("18 bpp\n");
+			break;
+		case EDP_24BPP:
+			printf("24 bpp\n");
+			break;
+		case EDP_30BPP:
+			printf("30 bpp\n");
+			break;
+		default:
+			printf("(unknown value %d)\n", bpp);
+			break;
+		}
+
+		msa = (edp->sdrrs_msa_timing_delay >> (i * 2)) & 3;
+		printf("\t\teDP sDRRS MSA Delay: Lane %d\n", msa + 1);
+
+		printf("\t\tFast link params:\n");
+		printf("\t\t\trate: ");
+		if (edp->fast_link_params[i].rate == EDP_RATE_1_62)
+			printf("1.62G\n");
+		else if (edp->fast_link_params[i].rate == EDP_RATE_2_7)
+			printf("2.7G\n");
+		printf("\t\t\tlanes: ");
+		switch (edp->fast_link_params[i].lanes) {
+		case EDP_LANE_1:
+			printf("x1 mode\n");
+			break;
+		case EDP_LANE_2:
+			printf("x2 mode\n");
+			break;
+		case EDP_LANE_4:
+			printf("x4 mode\n");
+			break;
+		default:
+			printf("(unknown value %d)\n",
+			       edp->fast_link_params[i].lanes);
+			break;
+		}
+		printf("\t\t\tpre-emphasis: ");
+		switch (edp->fast_link_params[i].preemphasis) {
+		case EDP_PREEMPHASIS_NONE:
+			printf("none\n");
+			break;
+		case EDP_PREEMPHASIS_3_5dB:
+			printf("3.5dB\n");
+			break;
+		case EDP_PREEMPHASIS_6dB:
+			printf("6dB\n");
+			break;
+		case EDP_PREEMPHASIS_9_5dB:
+			printf("9.5dB\n");
+			break;
+		default:
+			printf("(unknown value %d)\n",
+			       edp->fast_link_params[i].preemphasis);
+			break;
+		}
+		printf("\t\t\tvswing: ");
+		switch (edp->fast_link_params[i].vswing) {
+		case EDP_VSWING_0_4V:
+			printf("0.4V\n");
+			break;
+		case EDP_VSWING_0_6V:
+			printf("0.6V\n");
+			break;
+		case EDP_VSWING_0_8V:
+			printf("0.8V\n");
+			break;
+		case EDP_VSWING_1_2V:
+			printf("1.2V\n");
+			break;
+		default:
+			printf("(unknown value %d)\n",
+			       edp->fast_link_params[i].vswing);
+			break;
+		}
+
+		if (context->bdb->version >= 162) {
+			bool val = (edp->s3d_feature >> i) & 1;
+			printf("\t\tStereo 3D feature: %s\n", YESNO(val));
+		}
+
+		if (context->bdb->version >= 165) {
+			bool val = (edp->t3_optimization >> i) & 1;
+			printf("\t\tT3 optimization: %s\n", YESNO(val));
+		}
+
+		if (context->bdb->version >= 173) {
+			int val = (edp->vswing_preemph_table_selection >> (i * 4)) & 0xf;
+
+			printf("\t\tVswing/preemphasis table selection: ");
+			switch (val) {
+			case 0:
+				printf("Low power (200 mV)\n");
+				break;
+			case 1:
+				printf("Default (400 mV)\n");
+				break;
+			default:
+				printf("(unknown value %d)\n", val);
+				break;
+			}
+		}
+
+		if (context->bdb->version >= 182) {
+			bool val = (edp->fast_link_training >> i) & 1;
+			printf("\t\tFast link training: %s\n", YESNO(val));
+		}
+
+		if (context->bdb->version >= 185) {
+			bool val = (edp->dpcd_600h_write_required >> i) & 1;
+			printf("\t\tDPCD 600h write required: %s\n", YESNO(val));
+		}
+
+		if (context->bdb->version >= 186) {
+			printf("\t\tPWM delays:\n"
+			       "\t\t\tPWM on to backlight enable: %d\n"
+			       "\t\t\tBacklight disable to PWM off: %d\n",
+			       edp->pwm_delays[i].pwm_on_to_backlight_enable,
+			       edp->pwm_delays[i].backlight_disable_to_pwm_off);
+		}
+
+		if (context->bdb->version >= 199) {
+			bool val = (edp->full_link_params_provided >> i) & 1;
+
+			printf("\t\tFull link params provided: %s\n", YESNO(val));
+			printf("\t\tFull link params:\n");
+			printf("\t\t\tpre-emphasis: ");
+			switch (edp->full_link_params[i].preemphasis) {
+			case EDP_PREEMPHASIS_NONE:
+				printf("none\n");
+				break;
+			case EDP_PREEMPHASIS_3_5dB:
+				printf("3.5dB\n");
+				break;
+			case EDP_PREEMPHASIS_6dB:
+				printf("6dB\n");
+				break;
+			case EDP_PREEMPHASIS_9_5dB:
+				printf("9.5dB\n");
+				break;
+			default:
+				printf("(unknown value %d)\n",
+				       edp->full_link_params[i].preemphasis);
+				break;
+			}
+			printf("\t\t\tvswing: ");
+			switch (edp->full_link_params[i].vswing) {
+			case EDP_VSWING_0_4V:
+				printf("0.4V\n");
+				break;
+			case EDP_VSWING_0_6V:
+				printf("0.6V\n");
+				break;
+			case EDP_VSWING_0_8V:
+				printf("0.8V\n");
+				break;
+			case EDP_VSWING_1_2V:
+				printf("1.2V\n");
+				break;
+			default:
+				printf("(unknown value %d)\n",
+				       edp->full_link_params[i].vswing);
+				break;
+			}
+		}
+	}
+}
+
+static void dump_psr(struct context *context,
+		     const struct bdb_block *block)
+{
+	const struct bdb_psr *psr = block->data;
+	int i;
+
+	/* The same block ID was used for something else before? */
+	if (context->bdb->version < 165)
+		return;
+
+	for (i = 0; i < 16; i++) {
+		if (i != context->panel_type && !context->dump_all_panel_types)
+			continue;
+
+		printf("\tPanel %d%s\n", i, context->panel_type == i ? " *" : "");
+
+		printf("\t\tFull link: %s\n", YESNO(psr->psr[i].full_link));
+		printf("\t\tRequire AUX to wakeup: %s\n", YESNO(psr->psr[i].require_aux_to_wakeup));
+
+		switch (psr->psr[i].lines_to_wait) {
+		case 0:
+		case 1:
+			printf("\t\tLines to wait before link standby: %d\n",
+			       psr->psr[i].lines_to_wait);
+			break;
+		case 2:
+		case 3:
+			printf("\t\tLines to wait before link standby: %d\n",
+			       1 << psr->psr[i].lines_to_wait);
+			break;
+		default:
+			printf("\t\tLines to wait before link standby: (unknown) (0x%x)\n",
+			       psr->psr[i].lines_to_wait);
+			break;
+		}
+
+		printf("\t\tIdle frames to for PSR enable: %d\n",
+		       psr->psr[i].idle_frames);
+
+		printf("\t\tTP1 wakeup time: %d usec (0x%x)\n",
+		       psr->psr[i].tp1_wakeup_time * 100,
+		       psr->psr[i].tp1_wakeup_time);
+
+		printf("\t\tTP2/TP3 wakeup time: %d usec (0x%x)\n",
+		       psr->psr[i].tp2_tp3_wakeup_time * 100,
+		       psr->psr[i].tp2_tp3_wakeup_time);
+	}
+}
+
+static void
+print_detail_timing_data(const struct lvds_dvo_timing2 *dvo_timing)
+{
+	int display, sync_start, sync_end, total;
+
+	display = (dvo_timing->hactive_hi << 8) | dvo_timing->hactive_lo;
+	sync_start = display +
+		((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+	sync_end = sync_start + dvo_timing->hsync_pulse_width;
+	total = display +
+		((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+	printf("\thdisplay: %d\n", display);
+	printf("\thsync [%d, %d] %s\n", sync_start, sync_end,
+	       dvo_timing->hsync_positive ? "+sync" : "-sync");
+	printf("\thtotal: %d\n", total);
+
+	display = (dvo_timing->vactive_hi << 8) | dvo_timing->vactive_lo;
+	sync_start = display + dvo_timing->vsync_off;
+	sync_end = sync_start + dvo_timing->vsync_pulse_width;
+	total = display +
+		((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+	printf("\tvdisplay: %d\n", display);
+	printf("\tvsync [%d, %d] %s\n", sync_start, sync_end,
+	       dvo_timing->vsync_positive ? "+sync" : "-sync");
+	printf("\tvtotal: %d\n", total);
+
+	printf("\tclock: %d\n", dvo_timing->clock * 10);
+}
+
+static void dump_sdvo_panel_dtds(struct context *context,
+				 const struct bdb_block *block)
+{
+	const struct lvds_dvo_timing2 *dvo_timing = block->data;
+	int n, count;
+
+	count = block->size / sizeof(struct lvds_dvo_timing2);
+	for (n = 0; n < count; n++) {
+		printf("%d:\n", n);
+		print_detail_timing_data(dvo_timing++);
+	}
+}
+
+static void dump_sdvo_lvds_options(struct context *context,
+				   const struct bdb_block *block)
+{
+	const struct bdb_sdvo_lvds_options *options = block->data;
+
+	printf("\tbacklight: %d\n", options->panel_backlight);
+	printf("\th40 type: %d\n", options->h40_set_panel_type);
+	printf("\ttype: %d\n", options->panel_type);
+	printf("\tssc_clk_freq: %d\n", options->ssc_clk_freq);
+	printf("\tals_low_trip: %d\n", options->als_low_trip);
+	printf("\tals_high_trip: %d\n", options->als_high_trip);
+	/*
+	u8 sclalarcoeff_tab_row_num;
+	u8 sclalarcoeff_tab_row_size;
+	u8 coefficient[8];
+	*/
+	printf("\tmisc[0]: %x\n", options->panel_misc_bits_1);
+	printf("\tmisc[1]: %x\n", options->panel_misc_bits_2);
+	printf("\tmisc[2]: %x\n", options->panel_misc_bits_3);
+	printf("\tmisc[3]: %x\n", options->panel_misc_bits_4);
+}
+
+static void dump_mipi_config(struct context *context,
+			     const struct bdb_block *block)
+{
+	const struct bdb_mipi_config *start = block->data;
+	const struct mipi_config *config;
+	const struct mipi_pps_data *pps;
+
+	config = &start->config[context->panel_type];
+	pps = &start->pps[context->panel_type];
+
+	printf("\tGeneral Param\n");
+	printf("\t\t BTA disable: %s\n", config->bta ? "Disabled" : "Enabled");
+
+	printf("\t\t Video Mode Color Format: ");
+	if (config->videomode_color_format == 0)
+		printf("Not supported\n");
+	else if (config->videomode_color_format == 1)
+		printf("RGB565\n");
+	else if (config->videomode_color_format == 2)
+		printf("RGB666\n");
+	else if (config->videomode_color_format == 3)
+		printf("RGB666 Loosely Packed\n");
+	else if (config->videomode_color_format == 4)
+		printf("RGB888\n");
+	printf("\t\t PPS GPIO Pins: %s \n", config->pwm_blc ? "Using SOC" : "Using PMIC");
+	printf("\t\t CABC Support: %s\n", config->cabc ? "supported" : "not supported");
+	printf("\t\t Mode: %s\n", config->cmd_mode ? "COMMAND" : "VIDEO");
+	printf("\t\t Video transfer mode: %s (0x%x)\n",
+	       config->vtm == 1 ? "non-burst with sync pulse" :
+	       config->vtm == 2 ? "non-burst with sync events" :
+	       config->vtm == 3 ? "burst" : "<unknown>",
+	       config->vtm);
+	printf("\t\t Dithering: %s\n", config->dithering ? "done in Display Controller" : "done in Panel Controller");
+
+	printf("\tPort Desc\n");
+	printf("\t\t Pixel overlap: %d\n", config->pixel_overlap);
+	printf("\t\t Lane Count: %d\n", config->lane_cnt + 1);
+	printf("\t\t Dual Link Support: ");
+	if (config->dual_link == 0)
+		printf("not supported\n");
+	else if (config->dual_link == 1)
+		printf("Front Back mode\n");
+	else
+		printf("Pixel Alternative Mode\n");
+
+	printf("\tDphy Flags\n");
+	printf("\t\t Clock Stop: %s\n", config->clk_stop ? "ENABLED" : "DISABLED");
+	printf("\t\t EOT disabled: %s\n\n", config->eot_disabled ? "EOT not to be sent" : "EOT to be sent");
+
+	printf("\tHSTxTimeOut: 0x%x\n", config->hs_tx_timeout);
+	printf("\tLPRXTimeOut: 0x%x\n", config->lp_rx_timeout);
+	printf("\tTurnAroundTimeOut: 0x%x\n", config->turn_around_timeout);
+	printf("\tDeviceResetTimer: 0x%x\n", config->device_reset_timer);
+	printf("\tMasterinitTimer: 0x%x\n", config->master_init_timer);
+	printf("\tDBIBandwidthTimer: 0x%x\n", config->dbi_bw_timer);
+	printf("\tLpByteClkValue: 0x%x\n\n", config->lp_byte_clk_val);
+
+	printf("\tDphy Params\n");
+	printf("\t\tExit to zero Count: 0x%x\n", config->exit_zero_cnt);
+	printf("\t\tTrail Count: 0x%X\n", config->trail_cnt);
+	printf("\t\tClk zero count: 0x%x\n", config->clk_zero_cnt);
+	printf("\t\tPrepare count:0x%x\n\n", config->prepare_cnt);
+
+	printf("\tClockLaneSwitchingCount: 0x%x\n", config->clk_lane_switch_cnt);
+	printf("\tHighToLowSwitchingCount: 0x%x\n\n", config->hl_switch_cnt);
+
+	printf("\tTimings based on Dphy spec\n");
+	printf("\t\tTClkMiss: 0x%x\n", config->tclk_miss);
+	printf("\t\tTClkPost: 0x%x\n", config->tclk_post);
+	printf("\t\tTClkPre: 0x%x\n", config->tclk_pre);
+	printf("\t\tTClkPrepare: 0x%x\n", config->tclk_prepare);
+	printf("\t\tTClkSettle: 0x%x\n", config->tclk_settle);
+	printf("\t\tTClkTermEnable: 0x%x\n\n", config->tclk_term_enable);
+
+	printf("\tTClkTrail: 0x%x\n", config->tclk_trail);
+	printf("\tTClkPrepareTClkZero: 0x%x\n", config->tclk_prepare_clkzero);
+	printf("\tTHSExit: 0x%x\n", config->ths_exit);
+	printf("\tTHsPrepare: 0x%x\n", config->ths_prepare);
+	printf("\tTHsPrepareTHsZero: 0x%x\n", config->ths_prepare_hszero);
+	printf("\tTHSSettle: 0x%x\n", config->ths_settle);
+	printf("\tTHSSkip: 0x%x\n", config->ths_skip);
+	printf("\tTHsTrail: 0x%x\n", config->ths_trail);
+	printf("\tTInit: 0x%x\n", config->tinit);
+	printf("\tTLPX: 0x%x\n", config->tlpx);
+
+	printf("\tMIPI PPS\n");
+	printf("\t\tPanel power ON delay: %d\n", pps->panel_on_delay);
+	printf("\t\tPanel power on to Backlight enable delay: %d\n", pps->bl_enable_delay);
+	printf("\t\tBacklight disable to Panel power OFF delay: %d\n", pps->bl_disable_delay);
+	printf("\t\tPanel power OFF delay: %d\n", pps->panel_off_delay);
+	printf("\t\tPanel power cycle delay: %d\n", pps->panel_power_cycle_delay);
+}
+
+static const uint8_t *mipi_dump_send_packet(const uint8_t *data)
+{
+	uint8_t flags, type;
+	uint16_t len, i;
+
+	flags = *data++;
+	type = *data++;
+	len = *((const uint16_t *) data);
+	data += 2;
+
+	printf("\t\tSend DCS: Port %s, VC %d, %s, Type %02x, Length %u, Data",
+	       (flags >> 3) & 1 ? "C" : "A",
+	       (flags >> 1) & 3,
+	       flags & 1 ? "HS" : "LP",
+	       type,
+	       len);
+	for (i = 0; i < len; i++)
+		printf(" %02x", *data++);
+	printf("\n");
+
+	return data;
+}
+
+static const uint8_t *mipi_dump_delay(const uint8_t *data)
+{
+	printf("\t\tDelay: %u us\n", *((const uint32_t *)data));
+
+	return data + 4;
+}
+
+static const uint8_t *mipi_dump_gpio(const uint8_t *data)
+{
+	uint8_t index, flags;
+
+	index = *data++;
+	flags = *data++;
+
+	printf("\t\tGPIO index %u, source %d, set %d\n",
+	       index,
+	       (flags >> 1) & 3,
+	       flags & 1);
+
+	return data;
+}
+
+static const uint8_t *mipi_dump_i2c(const uint8_t *data)
+{
+	uint8_t flags, index, bus, offset, len, i;
+	uint16_t address;
+
+	flags = *data++;
+	index = *data++;
+	bus = *data++;
+	address = *((const uint16_t *) data);
+	data += 2;
+	offset = *data++;
+	len = *data++;
+
+	printf("\t\tSend I2C: Flags %02x, Index %02x, Bus %02x, Address %04x, Offset %02x, Length %u, Data",
+	       flags, index, bus, address, offset, len);
+	for (i = 0; i < len; i++)
+		printf(" %02x", *data++);
+	printf("\n");
+
+	return data;
+}
+
+typedef const uint8_t * (*fn_mipi_elem_dump)(const uint8_t *data);
+
+static const fn_mipi_elem_dump dump_elem[] = {
+	[MIPI_SEQ_ELEM_SEND_PKT] = mipi_dump_send_packet,
+	[MIPI_SEQ_ELEM_DELAY] = mipi_dump_delay,
+	[MIPI_SEQ_ELEM_GPIO] = mipi_dump_gpio,
+	[MIPI_SEQ_ELEM_I2C] = mipi_dump_i2c,
+};
+
+static const char * const seq_name[] = {
+	[MIPI_SEQ_ASSERT_RESET] = "MIPI_SEQ_ASSERT_RESET",
+	[MIPI_SEQ_INIT_OTP] = "MIPI_SEQ_INIT_OTP",
+	[MIPI_SEQ_DISPLAY_ON] = "MIPI_SEQ_DISPLAY_ON",
+	[MIPI_SEQ_DISPLAY_OFF]  = "MIPI_SEQ_DISPLAY_OFF",
+	[MIPI_SEQ_DEASSERT_RESET] = "MIPI_SEQ_DEASSERT_RESET",
+	[MIPI_SEQ_BACKLIGHT_ON] = "MIPI_SEQ_BACKLIGHT_ON",
+	[MIPI_SEQ_BACKLIGHT_OFF] = "MIPI_SEQ_BACKLIGHT_OFF",
+	[MIPI_SEQ_TEAR_ON] = "MIPI_SEQ_TEAR_ON",
+	[MIPI_SEQ_TEAR_OFF] = "MIPI_SEQ_TEAR_OFF",
+	[MIPI_SEQ_POWER_ON] = "MIPI_SEQ_POWER_ON",
+	[MIPI_SEQ_POWER_OFF] = "MIPI_SEQ_POWER_OFF",
+};
+
+static const char *sequence_name(enum mipi_seq seq_id)
+{
+	if (seq_id < ARRAY_SIZE(seq_name) && seq_name[seq_id])
+		return seq_name[seq_id];
+	else
+		return "(unknown)";
+}
+
+static const uint8_t *dump_sequence(const uint8_t *data, uint8_t seq_version)
+{
+	fn_mipi_elem_dump mipi_elem_dump;
+
+	printf("\tSequence %u - %s\n", *data, sequence_name(*data));
+
+	/* Skip Sequence Byte. */
+	data++;
+
+	/* Skip Size of Sequence. */
+	if (seq_version >= 3)
+		data += 4;
+
+	while (1) {
+		uint8_t operation_byte = *data++;
+		uint8_t operation_size = 0;
+
+		if (operation_byte == MIPI_SEQ_ELEM_END)
+			break;
+
+		if (operation_byte < ARRAY_SIZE(dump_elem))
+			mipi_elem_dump = dump_elem[operation_byte];
+		else
+			mipi_elem_dump = NULL;
+
+		/* Size of Operation. */
+		if (seq_version >= 3)
+			operation_size = *data++;
+
+		if (mipi_elem_dump) {
+			data = mipi_elem_dump(data);
+		} else if (operation_size) {
+			/* We have size, skip. */
+			data += operation_size;
+		} else {
+			/* No size, can't skip without parsing. */
+			printf("Error: Unsupported MIPI element %u\n",
+			       operation_byte);
+			return NULL;
+		}
+	}
+
+	return data;
+}
+
+/* Find the sequence block and size for the given panel. */
+static const uint8_t *
+find_panel_sequence_block(const struct bdb_mipi_sequence *sequence,
+			  uint16_t panel_id, uint32_t total, uint32_t *seq_size)
+{
+	const uint8_t *data = &sequence->data[0];
+	uint8_t current_id;
+	uint32_t current_size;
+	int header_size = sequence->version >= 3 ? 5 : 3;
+	int index = 0;
+	int i;
+
+	/* skip new block size */
+	if (sequence->version >= 3)
+		data += 4;
+
+	for (i = 0; i < MAX_MIPI_CONFIGURATIONS && index < total; i++) {
+		if (index + header_size > total) {
+			fprintf(stderr, "Invalid sequence block (header)\n");
+			return NULL;
+		}
+
+		current_id = *(data + index);
+		if (sequence->version >= 3)
+			current_size = *((const uint32_t *)(data + index + 1));
+		else
+			current_size = *((const uint16_t *)(data + index + 1));
+
+		index += header_size;
+
+		if (index + current_size > total) {
+			fprintf(stderr, "Invalid sequence block\n");
+			return NULL;
+		}
+
+		if (current_id == panel_id) {
+			*seq_size = current_size;
+			return data + index;
+		}
+
+		index += current_size;
+	}
+
+	fprintf(stderr, "Sequence block detected but no valid configuration\n");
+
+	return NULL;
+}
+
+static int goto_next_sequence(const uint8_t *data, int index, int total)
+{
+	uint16_t len;
+
+	/* Skip Sequence Byte. */
+	for (index = index + 1; index < total; index += len) {
+		uint8_t operation_byte = *(data + index);
+		index++;
+
+		switch (operation_byte) {
+		case MIPI_SEQ_ELEM_END:
+			return index;
+		case MIPI_SEQ_ELEM_SEND_PKT:
+			if (index + 4 > total)
+				return 0;
+
+			len = *((const uint16_t *)(data + index + 2)) + 4;
+			break;
+		case MIPI_SEQ_ELEM_DELAY:
+			len = 4;
+			break;
+		case MIPI_SEQ_ELEM_GPIO:
+			len = 2;
+			break;
+		case MIPI_SEQ_ELEM_I2C:
+			if (index + 7 > total)
+				return 0;
+			len = *(data + index + 6) + 7;
+			break;
+		default:
+			fprintf(stderr, "Unknown operation byte\n");
+			return 0;
+		}
+	}
+
+	return 0;
+}
+
+static int goto_next_sequence_v3(const uint8_t *data, int index, int total)
+{
+	int seq_end;
+	uint16_t len;
+	uint32_t size_of_sequence;
+
+	/*
+	 * Could skip sequence based on Size of Sequence alone, but also do some
+	 * checking on the structure.
+	 */
+	if (total < 5) {
+		fprintf(stderr, "Too small sequence size\n");
+		return 0;
+	}
+
+	/* Skip Sequence Byte. */
+	index++;
+
+	/*
+	 * Size of Sequence. Excludes the Sequence Byte and the size itself,
+	 * includes MIPI_SEQ_ELEM_END byte, excludes the final MIPI_SEQ_END
+	 * byte.
+	 */
+	size_of_sequence = *((const uint32_t *)(data + index));
+	index += 4;
+
+	seq_end = index + size_of_sequence;
+	if (seq_end > total) {
+		fprintf(stderr, "Invalid sequence size\n");
+		return 0;
+	}
+
+	for (; index < total; index += len) {
+		uint8_t operation_byte = *(data + index);
+		index++;
+
+		if (operation_byte == MIPI_SEQ_ELEM_END) {
+			if (index != seq_end) {
+				fprintf(stderr, "Invalid element structure\n");
+				return 0;
+			}
+			return index;
+		}
+
+		len = *(data + index);
+		index++;
+
+		/*
+		 * FIXME: Would be nice to check elements like for v1/v2 in
+		 * goto_next_sequence() above.
+		 */
+		switch (operation_byte) {
+		case MIPI_SEQ_ELEM_SEND_PKT:
+		case MIPI_SEQ_ELEM_DELAY:
+		case MIPI_SEQ_ELEM_GPIO:
+		case MIPI_SEQ_ELEM_I2C:
+		case MIPI_SEQ_ELEM_SPI:
+		case MIPI_SEQ_ELEM_PMIC:
+			break;
+		default:
+			fprintf(stderr, "Unknown operation byte %u\n",
+				operation_byte);
+			break;
+		}
+	}
+
+	return 0;
+}
+
+static void dump_mipi_sequence(struct context *context,
+			       const struct bdb_block *block)
+{
+	const struct bdb_mipi_sequence *sequence = block->data;
+	const uint8_t *data;
+	uint32_t seq_size;
+	int index = 0, i;
+	const uint8_t *sequence_ptrs[MIPI_SEQ_MAX] = {};
+
+	/* Check if we have sequence block as well */
+	if (!sequence) {
+		printf("No MIPI Sequence found\n");
+		return;
+	}
+
+	printf("\tSequence block version v%u\n", sequence->version);
+
+	/* Fail gracefully for forward incompatible sequence block. */
+	if (sequence->version >= 4) {
+		fprintf(stderr, "Unable to parse MIPI Sequence Block v%u\n",
+			sequence->version);
+		return;
+	}
+
+	data = find_panel_sequence_block(sequence, context->panel_type,
+					 block->size, &seq_size);
+	if (!data)
+		return;
+
+	/* Parse the sequences. Corresponds to VBT parsing in the kernel. */
+	for (;;) {
+		uint8_t seq_id = *(data + index);
+		if (seq_id == MIPI_SEQ_END)
+			break;
+
+		if (seq_id >= MIPI_SEQ_MAX) {
+			fprintf(stderr, "Unknown sequence %u\n", seq_id);
+			return;
+		}
+
+		sequence_ptrs[seq_id] = data + index;
+
+		if (sequence->version >= 3)
+			index = goto_next_sequence_v3(data, index, seq_size);
+		else
+			index = goto_next_sequence(data, index, seq_size);
+		if (!index) {
+			fprintf(stderr, "Invalid sequence %u\n", seq_id);
+			return;
+		}
+	}
+
+	/* Dump the sequences. Corresponds to sequence execution in kernel. */
+	for (i = 0; i < ARRAY_SIZE(sequence_ptrs); i++)
+		if (sequence_ptrs[i])
+			dump_sequence(sequence_ptrs[i], sequence->version);
+}
+
+/* get panel type from lvds options block, or -1 if block not found */
+static int get_panel_type(struct context *context)
+{
+	struct bdb_block *block;
+	const struct bdb_lvds_options *options;
+	int panel_type;
+
+	block = find_section(context, BDB_LVDS_OPTIONS);
+	if (!block)
+		return -1;
+
+	options = block->data;
+	panel_type = options->panel_type;
+
+	free(block);
+
+	return panel_type;
+}
+
+static int
+get_device_id(unsigned char *bios, int size)
+{
+    int device;
+    int offset = (bios[0x19] << 8) + bios[0x18];
+
+    if (offset + 7 >= size)
+	return -1;
+
+    if (bios[offset] != 'P' ||
+	bios[offset+1] != 'C' ||
+	bios[offset+2] != 'I' ||
+	bios[offset+3] != 'R')
+	return -1;
+
+    device = (bios[offset+7] << 8) + bios[offset+6];
+
+    return device;
+}
+
+struct dumper {
+	uint8_t id;
+	const char *name;
+	void (*dump)(struct context *context,
+		     const struct bdb_block *block);
+};
+
+struct dumper dumpers[] = {
+	{
+		.id = BDB_GENERAL_FEATURES,
+		.name = "General features block",
+		.dump = dump_general_features,
+	},
+	{
+		.id = BDB_GENERAL_DEFINITIONS,
+		.name = "General definitions block",
+		.dump = dump_general_definitions,
+	},
+	{
+		.id = BDB_CHILD_DEVICE_TABLE,
+		.name = "Child devices block",
+		.dump = dump_child_devices,
+	},
+	{
+		.id = BDB_LVDS_OPTIONS,
+		.name = "LVDS options block",
+		.dump = dump_lvds_options,
+	},
+	{
+		.id = BDB_LVDS_LFP_DATA_PTRS,
+		.name = "LVDS timing pointer data",
+		.dump = dump_lvds_ptr_data,
+	},
+	{
+		.id = BDB_LVDS_LFP_DATA,
+		.name = "LVDS panel data block",
+		.dump = dump_lvds_data,
+	},
+	{
+		.id = BDB_LVDS_BACKLIGHT,
+		.name = "Backlight info block",
+		.dump = dump_backlight_info,
+	},
+	{
+		.id = BDB_SDVO_LVDS_OPTIONS,
+		.name = "SDVO LVDS options block",
+		.dump = dump_sdvo_lvds_options,
+	},
+	{
+		.id = BDB_SDVO_PANEL_DTDS,
+		.name = "SDVO panel dtds",
+		.dump = dump_sdvo_panel_dtds,
+	},
+	{
+		.id = BDB_DRIVER_FEATURES,
+		.name = "Driver feature data block",
+		.dump = dump_driver_feature,
+	},
+	{
+		.id = BDB_EDP,
+		.name = "eDP block",
+		.dump = dump_edp,
+	},
+	{
+		.id = BDB_PSR,
+		.name = "PSR block",
+		.dump = dump_psr,
+	},
+	{
+		.id = BDB_MIPI_CONFIG,
+		.name = "MIPI configuration block",
+		.dump = dump_mipi_config,
+	},
+	{
+		.id = BDB_MIPI_SEQUENCE,
+		.name = "MIPI sequence block",
+		.dump = dump_mipi_sequence,
+	},
+};
+
+static void hex_dump(const void *data, uint32_t size)
+{
+	int i;
+	const uint8_t *p = data;
+
+	for (i = 0; i < size; i++) {
+		if (i % 16 == 0)
+			printf("\t%04x: ", i);
+		printf("%02x", p[i]);
+		if (i % 16 == 15) {
+			if (i + 1 < size)
+				printf("\n");
+		} else if (i % 8 == 7) {
+			printf("  ");
+		} else {
+			printf(" ");
+		}
+	}
+	printf("\n\n");
+}
+
+static void hex_dump_block(const struct bdb_block *block)
+{
+	hex_dump(block->data, block->size);
+}
+
+static bool dump_section(struct context *context, int section_id)
+{
+	struct dumper *dumper = NULL;
+	struct bdb_block *block;
+	int i;
+
+	block = find_section(context, section_id);
+	if (!block)
+		return false;
+
+	for (i = 0; i < ARRAY_SIZE(dumpers); i++) {
+		if (block->id == dumpers[i].id) {
+			dumper = &dumpers[i];
+			break;
+		}
+	}
+
+	if (dumper && dumper->name)
+		printf("BDB block %d - %s:\n", block->id, dumper->name);
+	else
+		printf("BDB block %d - Unknown, no decoding available:\n",
+		       block->id);
+
+	if (context->hexdump)
+		hex_dump_block(block);
+	if (dumper && dumper->dump)
+		dumper->dump(context, block);
+	printf("\n");
+
+	free(block);
+
+	return true;
+}
+
+static void dump_headers(struct context *context)
+{
+	const struct vbt_header *vbt = context->vbt;
+	const struct bdb_header *bdb = context->bdb;
+	int i, j = 0;
+
+	printf("VBT header:\n");
+	if (context->hexdump)
+		hex_dump(vbt, vbt->header_size);
+
+	printf("\tVBT signature:\t\t\"%.*s\"\n",
+	       (int)sizeof(vbt->signature), vbt->signature);
+	printf("\tVBT version:\t\t0x%04x (%d.%d)\n", vbt->version,
+	       vbt->version / 100, vbt->version % 100);
+	printf("\tVBT header size:\t0x%04x (%u)\n",
+	       vbt->header_size, vbt->header_size);
+	printf("\tVBT size:\t\t0x%04x (%u)\n", vbt->vbt_size, vbt->vbt_size);
+	printf("\tVBT checksum:\t\t0x%02x\n", vbt->vbt_checksum);
+	printf("\tBDB offset:\t\t0x%08x (%u)\n", vbt->bdb_offset, vbt->bdb_offset);
+
+	printf("\n");
+
+	printf("BDB header:\n");
+	if (context->hexdump)
+		hex_dump(bdb, bdb->header_size);
+
+	printf("\tBDB signature:\t\t\"%.*s\"\n",
+	       (int)sizeof(bdb->signature), bdb->signature);
+	printf("\tBDB version:\t\t%d\n", bdb->version);
+	printf("\tBDB header size:\t0x%04x (%u)\n",
+	       bdb->header_size, bdb->header_size);
+	printf("\tBDB size:\t\t0x%04x (%u)\n", bdb->bdb_size, bdb->bdb_size);
+	printf("\n");
+
+	printf("BDB blocks present:");
+	for (i = 0; i < 256; i++) {
+		struct bdb_block *block;
+
+		block = find_section(context, i);
+		if (!block)
+			continue;
+
+		if (j++ % 16)
+			printf(" %3d", i);
+		else
+			printf("\n\t%3d", i);
+
+		free(block);
+	}
+	printf("\n\n");
+}
+
+enum opt {
+	OPT_UNKNOWN = '?',
+	OPT_END = -1,
+	OPT_FILE,
+	OPT_DEVID,
+	OPT_PANEL_TYPE,
+	OPT_ALL_PANELS,
+	OPT_HEXDUMP,
+	OPT_BLOCK,
+	OPT_USAGE,
+};
+
+static void usage(const char *toolname)
+{
+	fprintf(stderr, "usage: %s", toolname);
+	fprintf(stderr, " --file=<rom_file>"
+			" [--devid=<device_id>]"
+			" [--panel-type=<panel_type>]"
+			" [--all-panels]"
+			" [--hexdump]"
+			" [--block=<block_no>]"
+			" [--help]\n");
+}
+
+int main(int argc, char **argv)
+{
+	uint8_t *VBIOS;
+	int index;
+	enum opt opt;
+	int fd;
+	struct vbt_header *vbt = NULL;
+	int vbt_off, bdb_off, i;
+	const char *filename = NULL;
+	const char *toolname = argv[0];
+	struct stat finfo;
+	int size;
+	struct context context = {
+		.panel_type = -1,
+	};
+	char *endp;
+	int block_number = -1;
+
+	static struct option options[] = {
+		{ "file",	required_argument,	NULL,	OPT_FILE },
+		{ "devid",	required_argument,	NULL,	OPT_DEVID },
+		{ "panel-type",	required_argument,	NULL,	OPT_PANEL_TYPE },
+		{ "all-panels",	no_argument,		NULL,	OPT_ALL_PANELS },
+		{ "hexdump",	no_argument,		NULL,	OPT_HEXDUMP },
+		{ "block",	required_argument,	NULL,	OPT_BLOCK },
+		{ "help",	no_argument,		NULL,	OPT_USAGE },
+		{ 0 }
+	};
+
+	for (opt = 0; opt != OPT_END; ) {
+		opt = getopt_long(argc, argv, "", options, &index);
+
+		switch (opt) {
+		case OPT_FILE:
+			filename = optarg;
+			break;
+		case OPT_DEVID:
+			context.devid = strtoul(optarg, &endp, 16);
+			if (!context.devid || *endp) {
+				fprintf(stderr, "invalid devid '%s'\n", optarg);
+				return EXIT_FAILURE;
+			}
+			break;
+		case OPT_PANEL_TYPE:
+			context.panel_type = strtoul(optarg, &endp, 0);
+			if (*endp || context.panel_type > 15) {
+				fprintf(stderr, "invalid panel type '%s'\n",
+					optarg);
+				return EXIT_FAILURE;
+			}
+			break;
+		case OPT_ALL_PANELS:
+			context.dump_all_panel_types = true;
+			break;
+		case OPT_HEXDUMP:
+			context.hexdump = true;
+			break;
+		case OPT_BLOCK:
+			block_number = strtoul(optarg, &endp, 0);
+			if (*endp) {
+				fprintf(stderr, "invalid block number '%s'\n",
+					optarg);
+				return EXIT_FAILURE;
+			}
+			break;
+		case OPT_END:
+			break;
+		case OPT_USAGE: /* fall-through */
+		case OPT_UNKNOWN:
+			usage(toolname);
+			return EXIT_FAILURE;
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (!filename) {
+		if (argc == 1) {
+			/* for backwards compatibility */
+			filename = argv[0];
+		} else {
+			usage(toolname);
+			return EXIT_FAILURE;
+		}
+	}
+
+	fd = open(filename, O_RDONLY);
+	if (fd == -1) {
+		fprintf(stderr, "Couldn't open \"%s\": %s\n",
+			filename, strerror(errno));
+		return EXIT_FAILURE;
+	}
+
+	if (stat(filename, &finfo)) {
+		fprintf(stderr, "Failed to stat \"%s\": %s\n",
+			filename, strerror(errno));
+		return EXIT_FAILURE;
+	}
+	size = finfo.st_size;
+
+	if (size == 0) {
+		int len = 0, ret;
+		size = 8192;
+		VBIOS = malloc (size);
+		while ((ret = read(fd, VBIOS + len, size - len))) {
+			if (ret < 0) {
+				fprintf(stderr, "Failed to read \"%s\": %s\n",
+					filename, strerror(errno));
+				return EXIT_FAILURE;
+			}
+
+			len += ret;
+			if (len == size) {
+				size *= 2;
+				VBIOS = realloc(VBIOS, size);
+			}
+		}
+	} else {
+		VBIOS = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
+		if (VBIOS == MAP_FAILED) {
+			fprintf(stderr, "Failed to map \"%s\": %s\n",
+				filename, strerror(errno));
+			return EXIT_FAILURE;
+		}
+	}
+
+	/* Scour memory looking for the VBT signature */
+	for (i = 0; i + 4 < size; i++) {
+		if (!memcmp(VBIOS + i, "$VBT", 4)) {
+			vbt_off = i;
+			vbt = (struct vbt_header *)(VBIOS + i);
+			break;
+		}
+	}
+
+	if (!vbt) {
+		fprintf(stderr, "VBT signature missing\n");
+		return EXIT_FAILURE;
+	}
+
+	bdb_off = vbt_off + vbt->bdb_offset;
+	if (bdb_off >= size - sizeof(struct bdb_header)) {
+		fprintf(stderr, "Invalid VBT found, BDB points beyond end of data block\n");
+		return EXIT_FAILURE;
+	}
+
+	context.vbt = vbt;
+	context.bdb = (const struct bdb_header *)(VBIOS + bdb_off);
+	context.size = size;
+
+	if (!context.devid) {
+		const char *devid_string = getenv("DEVICE");
+		if (devid_string)
+			context.devid = strtoul(devid_string, NULL, 16);
+	}
+	if (!context.devid)
+		context.devid = get_device_id(VBIOS, size);
+	if (!context.devid)
+		fprintf(stderr, "Warning: could not find PCI device ID!\n");
+
+	if (context.panel_type == -1)
+		context.panel_type = get_panel_type(&context);
+	if (context.panel_type == -1) {
+		fprintf(stderr, "Warning: panel type not set, using 0\n");
+		context.panel_type = 0;
+	}
+
+	if (block_number != -1) {
+		/* dump specific section only */
+		if (!dump_section(&context, block_number)) {
+			fprintf(stderr, "Block %d not found\n", block_number);
+			return EXIT_FAILURE;
+		}
+	} else {
+		dump_headers(&context);
+
+		/* dump all sections  */
+		for (i = 0; i < 256; i++)
+			dump_section(&context, i);
+	}
+
+	return 0;
+}