summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--.gitignore1
-rw-r--r--tools/Makefile.am7
-rw-r--r--tools/intel_bios.h664
-rw-r--r--tools/intel_bios_reader.c680
4 files changed, 1351 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
index fc3e3c42..1462cbae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,3 +56,4 @@ tools/intel_reg_write
tools/intel_stepping
tools/intel_audio_dump
tools/intel_reg_read
+tools/intel_bios_reader
diff --git a/tools/Makefile.am b/tools/Makefile.am
index fc9e49f0..62bb77b1 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -7,7 +7,8 @@ bin_PROGRAMS = \
intel_stepping \
intel_reg_dumper \
intel_reg_write \
- intel_reg_read
+ intel_reg_read \
+ intel_bios_reader
intel_gpu_dump_SOURCES = \
intel_gpu_dump.c \
@@ -19,6 +20,10 @@ intel_decode_SOURCES = \
intel_decode.c \
intel_decode.h
+intel_bios_reader_SOURCES = \
+ intel_bios_reader.c \
+ intel_bios.h
+
LDADD = ../lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS)
AM_CFLAGS = $(DRM_CFLAGS) $(PCIACCESS_CFLAGS) $(WARN_CFLAGS) \
diff --git a/tools/intel_bios.h b/tools/intel_bios.h
new file mode 100644
index 00000000..8af7e521
--- /dev/null
+++ b/tools/intel_bios.h
@@ -0,0 +1,664 @@
+/*
+ * Copyright © 2006 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifndef _INTEL_BIOS_H_
+#define _INTEL_BIOS_H_
+
+#include <stdint.h>
+
+struct vbt_header {
+ char signature[20]; /**< Always starts with 'VBT$' */
+ uint16_t version; /**< decimal */
+ uint16_t header_size; /**< in bytes */
+ uint16_t vbt_size; /**< in bytes */
+ uint8_t vbt_checksum;
+ uint8_t reserved0;
+ uint32_t bdb_offset; /**< from beginning of VBT */
+ uint32_t aim_offset[4]; /**< from beginning of VBT */
+} __attribute__ ((packed));
+
+struct bdb_header {
+ char signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
+ uint16_t version; /**< decimal */
+ uint16_t header_size; /**< in bytes */
+ uint16_t bdb_size; /**< in bytes */
+} __attribute__ ((packed));
+
+/*
+ * There are several types of BIOS data blocks (BDBs), each block has
+ * an ID and size in the first 3 bytes (ID in first, size in next 2).
+ * Known types are listed below.
+ */
+#define BDB_GENERAL_FEATURES 1
+#define BDB_GENERAL_DEFINITIONS 2
+#define BDB_OLD_TOGGLE_LIST 3
+#define BDB_MODE_SUPPORT_LIST 4
+#define BDB_GENERIC_MODE_TABLE 5
+#define BDB_EXT_MMIO_REGS 6
+#define BDB_SWF_IO 7
+#define BDB_SWF_MMIO 8
+#define BDB_DOT_CLOCK_TABLE 9
+#define BDB_MODE_REMOVAL_TABLE 10
+#define BDB_CHILD_DEVICE_TABLE 11
+#define BDB_DRIVER_FEATURES 12
+#define BDB_DRIVER_PERSISTENCE 13
+#define BDB_EXT_TABLE_PTRS 14
+#define BDB_DOT_CLOCK_OVERRIDE 15
+#define BDB_DISPLAY_SELECT 16
+/* 17 rsvd */
+#define BDB_DRIVER_ROTATION 18
+#define BDB_DISPLAY_REMOVE 19
+#define BDB_OEM_CUSTOM 20
+#define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
+#define BDB_SDVO_LVDS_OPTIONS 22
+#define BDB_SDVO_PANEL_DTDS 23
+#define BDB_SDVO_LVDS_PNP_IDS 24
+#define BDB_SDVO_LVDS_POWER_SEQ 25
+#define BDB_TV_OPTIONS 26
+#define BDB_EDP 27
+#define BDB_LVDS_OPTIONS 40
+#define BDB_LVDS_LFP_DATA_PTRS 41
+#define BDB_LVDS_LFP_DATA 42
+#define BDB_LVDS_BACKLIGHT 43
+#define BDB_LVDS_POWER 44
+#define BDB_SKIP 254 /* VBIOS private block, ignore */
+
+struct bdb_general_features {
+ /* bits 1 */
+ unsigned char panel_fitting:2;
+ unsigned char flexaim:1;
+ unsigned char msg_enable:1;
+ unsigned char clear_screen:3;
+ unsigned char color_flip:1;
+
+ /* bits 2 */
+ unsigned char download_ext_vbt:1;
+ unsigned char enable_ssc:1;
+ unsigned char ssc_freq:1;
+ unsigned char enable_lfp_on_override:1;
+ unsigned char disable_ssc_ddt:1;
+ unsigned char rsvd8:3; /* finish byte */
+
+ /* bits 3 */
+ unsigned char disable_smooth_vision:1;
+ unsigned char single_dvi:1;
+ unsigned char rsvd9:6; /* finish byte */
+
+ /* bits 4 */
+ unsigned char legacy_monitor_detect;
+
+ /* bits 5 */
+ unsigned char int_crt_support:1;
+ unsigned char int_tv_support:1;
+ unsigned char rsvd11:6; /* finish byte */
+} __attribute__ ((packed));
+
+#define GPIO_PIN_NONE 0x00 /* "N/A" */
+#define GPIO_PIN_I2C 0x01 /* "I2C GPIO pins" */
+#define GPIO_PIN_CRT_DDC 0x02 /* "Analog CRT DDC GPIO pins" */
+/* 915+ */
+#define GPIO_PIN_LVDS 0x03 /* "Integrated LVDS DDC GPIO pins" */
+#define GPIO_PIN_SDVO_I2C 0x05 /* "sDVO I2C GPIO pins" */
+#define GPIO_PIN_SDVO_DDC1 0x1D /* "SDVO DDC1 GPIO pins" */
+#define GPIO_PIN_SDVO_DDC2 0x2D /* "SDVO DDC2 GPIO pins" */
+/* pre-915 */
+#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
+#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
+#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
+#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
+
+/* Pre 915 */
+#define DEVICE_TYPE_NONE 0x00
+#define DEVICE_TYPE_CRT 0x01
+#define DEVICE_TYPE_TV 0x09
+#define DEVICE_TYPE_EFP 0x12
+#define DEVICE_TYPE_LFP 0x22
+/* On 915+ */
+#define DEVICE_TYPE_CRT_DPMS 0x6001
+#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
+#define DEVICE_TYPE_TV_COMPOSITE 0x0209
+#define DEVICE_TYPE_TV_MACROVISION 0x0289
+#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
+#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
+#define DEVICE_TYPE_TV_SCART 0x0209
+#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
+#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
+#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
+#define DEVICE_TYPE_EFP_DVI_I 0x6053
+#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
+#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
+#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
+#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
+#define DEVICE_TYPE_LFP_PANELLINK 0x5012
+#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
+#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
+#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
+#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
+
+#define DEVICE_CFG_NONE 0x00
+#define DEVICE_CFG_12BIT_DVOB 0x01
+#define DEVICE_CFG_12BIT_DVOC 0x02
+#define DEVICE_CFG_24BIT_DVOBC 0x09
+#define DEVICE_CFG_24BIT_DVOCB 0x0a
+#define DEVICE_CFG_DUAL_DVOB 0x11
+#define DEVICE_CFG_DUAL_DVOC 0x12
+#define DEVICE_CFG_DUAL_DVOBC 0x13
+#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
+#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
+
+#define DEVICE_WIRE_NONE 0x00
+#define DEVICE_WIRE_DVOB 0x01
+#define DEVICE_WIRE_DVOC 0x02
+#define DEVICE_WIRE_DVOBC 0x03
+#define DEVICE_WIRE_DVOBB 0x05
+#define DEVICE_WIRE_DVOCC 0x06
+#define DEVICE_WIRE_DVOB_MASTER 0x0d
+#define DEVICE_WIRE_DVOC_MASTER 0x0e
+
+#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
+#define DEVICE_PORT_DVOB 0x01
+#define DEVICE_PORT_DVOC 0x02
+
+struct child_device_config {
+ uint16_t handle;
+ uint16_t device_type; /* See DEVICE_TYPE_* above */
+ uint8_t device_id[10];
+ uint16_t addin_offset;
+ uint8_t dvo_port; /* See DEVICE_PORT_* above */
+ uint8_t i2c_pin;
+ uint8_t slave_addr;
+ uint8_t ddc_pin;
+ uint16_t edid_ptr;
+ uint8_t dvo_cfg; /* See DEVICE_CFG_* above */
+ uint8_t dvo2_port;
+ uint8_t i2c2_pin;
+ uint8_t slave2_addr;
+ uint8_t ddc2_pin;
+ uint8_t capabilities;
+ uint8_t dvo_wiring; /* See DEVICE_WIRE_* above */
+ uint8_t dvo2_wiring;
+ uint16_t extended_type;
+ uint8_t dvo_function;
+} __attribute__ ((packed));
+
+struct bdb_general_definitions {
+ unsigned char crt_ddc_gmbus_pin; /* see GPIO_PIN_* above */
+
+ /* DPMS bits */
+ unsigned char dpms_acpi:1;
+ unsigned char skip_boot_crt_detect:1;
+ unsigned char dpms_aim:1;
+ unsigned char rsvd1:5; /* finish byte */
+
+ /* boot device bits */
+ unsigned char boot_display[2];
+ unsigned char child_dev_size;
+
+ /*
+ * Device info:
+ * If TV is present, it'll be at devices[0]
+ * LVDS will be next, either devices[0] or [1], if present
+ * Max total will be 6, but could be as few as 4 if both
+ * TV and LVDS are missing, so be careful when interpreting
+ * [4] and [5].
+ */
+ struct child_device_config devices[0];
+ /* may be another device block here on some platforms */
+} __attribute__ ((packed));
+
+#define DEVICE_CHILD_SIZE 7
+
+struct bdb_child_devices {
+ uint8_t child_structure_size;
+ struct child_device_config children[DEVICE_CHILD_SIZE];
+} __attribute__ ((packed));
+
+struct bdb_lvds_options {
+ uint8_t panel_type;
+ uint8_t rsvd1;
+ /* LVDS capabilities, stored in a dword */
+ uint8_t pfit_mode:2;
+ uint8_t pfit_text_mode_enhanced:1;
+ uint8_t pfit_gfx_mode_enhanced:1;
+ uint8_t pfit_ratio_auto:1;
+ uint8_t pixel_dither:1;
+ uint8_t lvds_edid:1;
+ uint8_t rsvd2:1;
+ uint8_t rsvd4;
+} __attribute__ ((packed));
+
+/* 915+ only */
+struct bdb_tv_features {
+ /* need to verify bit ordering */
+ uint16_t under_over_scan_via_yprpb:2;
+ uint16_t rsvd1:10;
+ uint16_t under_over_scan_via_dvi:2;
+ uint16_t add_overscan_mode:1;
+ uint16_t rsvd2:1;
+} __attribute__ ((packed));
+
+struct lvds_fp_timing {
+ uint16_t x_res;
+ uint16_t y_res;
+ uint32_t lvds_reg;
+ uint32_t lvds_reg_val;
+ uint32_t pp_on_reg;
+ uint32_t pp_on_reg_val;
+ uint32_t pp_off_reg;
+ uint32_t pp_off_reg_val;
+ uint32_t pp_cycle_reg;
+ uint32_t pp_cycle_reg_val;
+ uint32_t pfit_reg;
+ uint32_t pfit_reg_val;
+ uint16_t terminator;
+} __attribute__ ((packed));
+
+struct lvds_dvo_timing {
+ uint16_t dclk; /**< In 10khz */
+ uint8_t hactive;
+ uint8_t hblank;
+ uint8_t high_h; /**< 7:4 = hactive 11:8, 3:0 = hblank 11:8 */
+ uint8_t vactive;
+ uint8_t vblank;
+ uint8_t high_v; /**< 7:4 = vactive 11:8, 3:0 = vblank 11:8 */
+ uint8_t hsync_off;
+ uint8_t hsync_pulse_width;
+ uint8_t vsync_off;
+ uint8_t high_hsync_off; /**< 7:6 = hsync off 9:8 */
+ uint8_t h_image;
+ uint8_t v_image;
+ uint8_t max_hv;
+ uint8_t h_border;
+ uint8_t v_border;
+ uint8_t flags;
+} __attribute__ ((packed));
+
+struct lvds_pnp_id {
+ uint16_t mfg_name;
+ uint16_t product_code;
+ uint32_t serial;
+ uint8_t mfg_week;
+ uint8_t mfg_year;
+} __attribute__ ((packed));;
+
+/* LFP pointer table contains entries to the struct below */
+struct bdb_lvds_lfp_data_ptr {
+ uint16_t fp_timing_offset; /* offsets are from start of bdb */
+ uint8_t fp_table_size;
+ uint16_t dvo_timing_offset;
+ uint8_t dvo_table_size;
+ uint16_t panel_pnp_id_offset;
+ uint8_t pnp_table_size;
+} __attribute__ ((packed));
+
+struct bdb_lvds_lfp_data_ptrs {
+ uint8_t lvds_entries;
+ struct bdb_lvds_lfp_data_ptr ptr[16];
+} __attribute__ ((packed));
+
+struct bdb_lvds_lfp_data_entry {
+ struct lvds_fp_timing fp_timing;
+ struct lvds_dvo_timing dvo_timing;
+ struct lvds_pnp_id pnp_id;
+} __attribute__ ((packed));
+
+struct bdb_lvds_lfp_data {
+ struct bdb_lvds_lfp_data_entry data[16];
+} __attribute__ ((packed));
+
+#define BACKLIGHT_TYPE_NONE 0
+#define BACKLIGHT_TYPE_I2C 1
+#define BACKLIGHT_TYPE_PWM 2
+
+#define BACKLIGHT_GMBUS_100KHZ 0
+#define BACKLIGHT_GMBUS_50KHZ 1
+#define BACKLIGHT_GMBUS_400KHZ 2
+#define BACKLIGHT_GMBUS_1MHZ 3
+
+struct backlight_info {
+ uint8_t inverter_type:2; /* see BACKLIGHT_TYPE_* above */
+ uint8_t inverter_polarity:1; /* 1 means 0 is max, 255 is min */
+ uint8_t gpio_pins:3; /* see GPIO_PIN_* above */
+ uint8_t gmbus_speed:2;
+ uint16_t pwm_frequency; /* in Hz */
+ uint8_t min_brightness;
+ /* Next two are only for 915+ systems */
+ uint8_t i2c_addr;
+ uint8_t i2c_cmd;
+} __attribute((packed));
+
+struct bdb_backlight_control {
+ uint8_t row_size;
+ struct backlight_info lfps[16];
+} __attribute__ ((packed));
+
+struct bdb_bia {
+ uint8_t bia_enable:1;
+ uint8_t bia_level:3;
+ uint8_t rsvd1:3;
+ uint8_t als_enable:1;
+ uint8_t als_response_data[20];
+} __attribute((packed));
+
+struct aimdb_header {
+ char signature[16];
+ char oem_device[20];
+ uint16_t aimdb_version;
+ uint16_t aimdb_header_size;
+ uint16_t aimdb_size;
+} __attribute__ ((packed));
+
+struct aimdb_block {
+ uint8_t aimdb_id;
+ uint16_t aimdb_size;
+} __attribute__ ((packed));
+
+struct vch_panel_data {
+ uint16_t fp_timing_offset;
+ uint8_t fp_timing_size;
+ uint16_t dvo_timing_offset;
+ uint8_t dvo_timing_size;
+ uint16_t text_fitting_offset;
+ uint8_t text_fitting_size;
+ uint16_t graphics_fitting_offset;
+ uint8_t graphics_fitting_size;
+} __attribute__ ((packed));
+
+struct vch_bdb_22 {
+ struct aimdb_block aimdb_block;
+ struct vch_panel_data panels[16];
+} __attribute__ ((packed));
+
+#define BLC_INVERTER_TYPE_NONE 0
+#define BLC_INVERTER_TYPE_I2C 1
+#define BLC_INVERTER_TYPE_PWM 2
+
+#define BLC_GPIO_NONE 0
+#define BLC_GPIO_I2C 1
+#define BLC_GPIO_CRT_DDC 2
+#define BLC_GPIO_DVI_DDC 3
+#define BLC_GPIO_SDVO_I2C 5
+
+struct blc_struct {
+ uint8_t inverter_type:2;
+ uint8_t inverter_polarity:1; /* 1 means inverted (0 = max brightness) */
+ uint8_t gpio_pins:3;
+ uint8_t gmbus_speed:2;
+ uint16_t pwm_freq; /* in Hz */
+ uint8_t min_brightness; /* (0-255) */
+ uint8_t i2c_slave_addr;
+ uint8_t i2c_cmd;
+} __attribute__ ((packed));
+
+struct bdb_lvds_backlight {
+ uint8_t blcstruct_size;
+ struct blc_struct panels[16];
+} __attribute__ ((packed));
+
+struct bdb_lvds_power {
+ uint8_t dpst_enabled:1;
+ uint8_t pwr_prefs:3;
+ uint8_t rsvd1:3;
+ uint8_t als_enabled:1;
+ uint16_t als_backlight1;
+ uint16_t als_backlight2;
+ uint16_t als_backlight3;
+ uint16_t als_backlight4;
+ uint16_t als_backlight5;
+} __attribute__ ((packed));
+
+#define BDB_DRIVER_NO_LVDS 0
+#define BDB_DRIVER_INT_LVDS 1
+#define BDB_DRIVER_SDVO_LVDS 2
+#define BDB_DRIVER_EDP 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;
+
+ uint8_t static_display:1;
+ uint8_t reserved2:7;
+ uint16_t legacy_crt_max_x;
+ uint16_t legacy_crt_max_y;
+ uint8_t legacy_crt_max_refresh;
+} __attribute__ ((packed));
+
+struct bdb_sdvo_lvds_options {
+ uint8_t panel_backlight;
+ uint8_t h40_set_panel_type;
+ uint8_t panel_type;
+ uint8_t ssc_clk_freq;
+ uint16_t als_low_trip;
+ uint16_t als_high_trip;
+ uint8_t sclalarcoeff_tab_row_num;
+ uint8_t sclalarcoeff_tab_row_size;
+ uint8_t coefficient[8];
+ uint8_t panel_misc_bits_1;
+ uint8_t panel_misc_bits_2;
+ uint8_t panel_misc_bits_3;
+ uint8_t panel_misc_bits_4;
+} __attribute__ ((packed));
+
+#define EDP_18BPP 0
+#define EDP_24BPP 1
+#define EDP_30BPP 2
+#define EDP_RATE_1_62 0
+#define EDP_RATE_2_7 1
+#define EDP_LANE_1 0
+#define EDP_LANE_2 1
+#define EDP_LANE_4 3
+#define EDP_PREEMPHASIS_NONE 0
+#define EDP_PREEMPHASIS_3_5dB 1
+#define EDP_PREEMPHASIS_6dB 2
+#define EDP_PREEMPHASIS_9_5dB 3
+#define EDP_VSWING_0_4V 0
+#define EDP_VSWING_0_6V 1
+#define EDP_VSWING_0_8V 2
+#define EDP_VSWING_1_2V 3
+
+struct edp_power_seq {
+ uint16_t t3;
+ uint16_t t7;
+ uint16_t t9;
+ uint16_t t10;
+ uint16_t t12;
+} __attribute__ ((packed));
+
+struct edp_link_params {
+ uint8_t rate:4;
+ uint8_t lanes:4;
+ uint8_t preemphasis:4;
+ uint8_t vswing:4;
+} __attribute__ ((packed));
+
+struct bdb_edp {
+ struct edp_power_seq power_seqs[16];
+ uint32_t color_depth;
+ uint32_t sdrrs_msa_timing_delay;
+ struct edp_link_params link_params[16];
+} __attribute__ ((packed));
+
+/*
+ * Driver<->VBIOS interaction occurs through scratch bits in
+ * GR18 & SWF*.
+ *
+ * The VBIOS/firmware will signal to the gfx driver through the ASLE interrupt
+ * (visible in the interupt regs at bit 0) when it wants something done.
+ *
+ * Pre-965:
+ * The gfx driver can make calls to the VBIOS/firmware through an SMI request,
+ * generated by writing to offset 0xe0 of the device's config space (see the
+ * publically available 915 PRM for details).
+ *
+ * 965 and above:
+ * IGD OpRegion requests to the VBIOS/firmware are made using SWSCI, which can
+ * be triggered by writing to offset 0xe4 (see the publically available
+ * 965 graphics PRM for details).
+ */
+
+/* GR18 bits are set on display switch and hotkey events */
+#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
+#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
+#define GR18_HK_NONE (0x0<<3)
+#define GR18_HK_LFP_STRETCH (0x1<<3)
+#define GR18_HK_TOGGLE_DISP (0x2<<3)
+#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
+#define GR18_HK_POPUP_DISABLED (0x6<<3)
+#define GR18_HK_POPUP_ENABLED (0x7<<3)
+#define GR18_HK_PFIT (0x8<<3)
+#define GR18_HK_APM_CHANGE (0xa<<3)
+#define GR18_HK_MULTIPLE (0xc<<3)
+#define GR18_USER_INT_EN (1<<2)
+#define GR18_A0000_FLUSH_EN (1<<1)
+#define GR18_SMM_EN (1<<0)
+
+/* Set by driver, cleared by VBIOS */
+#define SWF00_YRES_SHIFT 16
+#define SWF00_XRES_SHIFT 0
+#define SWF00_RES_MASK 0xffff
+
+/* Set by VBIOS at boot time and driver at runtime */
+#define SWF01_TV2_FORMAT_SHIFT 8
+#define SWF01_TV1_FORMAT_SHIFT 0
+#define SWF01_TV_FORMAT_MASK 0xffff
+
+#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
+#define SWF10_GTT_OVERRIDE_EN (1<<28)
+#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
+#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
+#define SWF10_OLD_TOGGLE 0x0
+#define SWF10_TOGGLE_LIST_1 0x1
+#define SWF10_TOGGLE_LIST_2 0x2
+#define SWF10_TOGGLE_LIST_3 0x3
+#define SWF10_TOGGLE_LIST_4 0x4
+#define SWF10_PANNING_EN (1<<23)
+#define SWF10_DRIVER_LOADED (1<<22)
+#define SWF10_EXTENDED_DESKTOP (1<<21)
+#define SWF10_EXCLUSIVE_MODE (1<<20)
+#define SWF10_OVERLAY_EN (1<<19)
+#define SWF10_PLANEB_HOLDOFF (1<<18)
+#define SWF10_PLANEA_HOLDOFF (1<<17)
+#define SWF10_VGA_HOLDOFF (1<<16)
+#define SWF10_ACTIVE_DISP_MASK 0xffff
+#define SWF10_PIPEB_LFP2 (1<<15)
+#define SWF10_PIPEB_EFP2 (1<<14)
+#define SWF10_PIPEB_TV2 (1<<13)
+#define SWF10_PIPEB_CRT2 (1<<12)
+#define SWF10_PIPEB_LFP (1<<11)
+#define SWF10_PIPEB_EFP (1<<10)
+#define SWF10_PIPEB_TV (1<<9)
+#define SWF10_PIPEB_CRT (1<<8)
+#define SWF10_PIPEA_LFP2 (1<<7)
+#define SWF10_PIPEA_EFP2 (1<<6)
+#define SWF10_PIPEA_TV2 (1<<5)
+#define SWF10_PIPEA_CRT2 (1<<4)
+#define SWF10_PIPEA_LFP (1<<3)
+#define SWF10_PIPEA_EFP (1<<2)
+#define SWF10_PIPEA_TV (1<<1)
+#define SWF10_PIPEA_CRT (1<<0)
+
+#define SWF11_MEMORY_SIZE_SHIFT 16
+#define SWF11_SV_TEST_EN (1<<15)
+#define SWF11_IS_AGP (1<<14)
+#define SWF11_DISPLAY_HOLDOFF (1<<13)
+#define SWF11_DPMS_REDUCED (1<<12)
+#define SWF11_IS_VBE_MODE (1<<11)
+#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
+#define SWF11_DPMS_MASK 0x07
+#define SWF11_DPMS_OFF (1<<2)
+#define SWF11_DPMS_SUSPEND (1<<1)
+#define SWF11_DPMS_STANDBY (1<<0)
+#define SWF11_DPMS_ON 0
+
+#define SWF14_GFX_PFIT_EN (1<<31)
+#define SWF14_TEXT_PFIT_EN (1<<30)
+#define SWF14_LID_SWITCH_EN (1<<29)
+#define SWF14_POPUP_EN (1<<28)
+#define SWF14_DISPLAY_HOLDOFF (1<<27)
+#define SWF14_DISP_DETECT_EN (1<<26)
+#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
+#define SWF14_DRIVER_STATUS (1<<24)
+#define SWF14_OS_TYPE_WIN9X (1<<23)
+#define SWF14_OS_TYPE_WINNT (1<<22)
+/* 21:19 rsvd */
+#define SWF14_PM_TYPE_MASK 0x00070000
+#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
+#define SWF14_PM_ACPI (0x3 << 16)
+#define SWF14_PM_APM_12 (0x2 << 16)
+#define SWF14_PM_APM_11 (0x1 << 16)
+#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
+ /* if GR18 indicates a display switch */
+#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
+#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
+#define SWF14_DS_PIPEB_TV2_EN (1<<13)
+#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
+#define SWF14_DS_PIPEB_LFP_EN (1<<11)
+#define SWF14_DS_PIPEB_EFP_EN (1<<10)
+#define SWF14_DS_PIPEB_TV_EN (1<<9)
+#define SWF14_DS_PIPEB_CRT_EN (1<<8)
+#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
+#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
+#define SWF14_DS_PIPEA_TV2_EN (1<<5)
+#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
+#define SWF14_DS_PIPEA_LFP_EN (1<<3)
+#define SWF14_DS_PIPEA_EFP_EN (1<<2)
+#define SWF14_DS_PIPEA_TV_EN (1<<1)
+#define SWF14_DS_PIPEA_CRT_EN (1<<0)
+ /* if GR18 indicates a panel fitting request */
+#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
+ /* if GR18 indicates an APM change request */
+#define SWF14_APM_HIBERNATE 0x4
+#define SWF14_APM_SUSPEND 0x3
+#define SWF14_APM_STANDBY 0x1
+#define SWF14_APM_RESTORE 0x0
+
+#endif /* _INTEL_BIOS_H_ */
diff --git a/tools/intel_bios_reader.c b/tools/intel_bios_reader.c
new file mode 100644
index 00000000..6b79aec7
--- /dev/null
+++ b/tools/intel_bios_reader.c
@@ -0,0 +1,680 @@
+/*
+ * 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 <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"
+
+/* 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
+
+/* Make a fake pI830 so we can easily pull i830_bios.c code in here. */
+struct _fake_i830 {
+ uint8_t *VBIOS;
+};
+struct _fake_i830 I830;
+struct _fake_i830 *pI830 = &I830;
+
+#define INTEL_BIOS_8(_addr) (pI830->VBIOS[_addr])
+#define INTEL_BIOS_16(_addr) (pI830->VBIOS[_addr] | \
+ (pI830->VBIOS[_addr + 1] << 8))
+#define INTEL_BIOS_32(_addr) (pI830->VBIOS[_addr] | \
+ (pI830->VBIOS[_addr + 1] << 8) | \
+ (pI830->VBIOS[_addr + 2] << 16) | \
+ (pI830->VBIOS[_addr + 3] << 24))
+
+#define YESNO(val) ((val) ? "yes" : "no")
+
+struct bdb_block {
+ uint8_t id;
+ uint16_t size;
+ void *data;
+};
+
+struct bdb_header *bdb;
+static int tv_present;
+static int lvds_present;
+static int panel_type;
+
+static struct bdb_block *find_section(int section_id)
+{
+ struct bdb_block *block;
+ unsigned char *base = (unsigned char *)bdb;
+ int index = 0;
+ uint16_t total, current_size;
+ unsigned char current_id;
+
+ /* skip to first section */
+ index += bdb->header_size;
+ total = bdb->bdb_size;
+
+ block = malloc(sizeof(*block));
+ if (!block) {
+ fprintf(stderr, "out of memory\n");
+ exit(-1);
+ }
+
+ /* walk the sections looking for section_id */
+ while (index < total) {
+ current_id = *(base + index);
+ index++;
+ current_size = *((uint16_t *) (base + index));
+ index += 2;
+ 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(void)
+{
+ struct bdb_general_features *features;
+ struct bdb_block *block;
+
+ block = find_section(BDB_GENERAL_FEATURES);
+
+ if (!block)
+ return;
+
+ features = block->data;
+
+ printf("General features block:\n");
+
+ 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)
+ 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("\tDisable smooth vision: %s\n",
+ YESNO(features->disable_smooth_vision));
+ printf("\tSingle DVI for CRT/DVI: %s\n", YESNO(features->single_dvi));
+ 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));
+
+ tv_present = 1; /* should be based on whether TV DAC exists */
+ lvds_present = 1; /* should be based on IS_MOBILE() */
+
+ free(block);
+}
+
+static void dump_backlight_info(void)
+{
+ struct bdb_block *block;
+ struct bdb_lvds_backlight *backlight;
+ struct blc_struct *blc;
+
+ block = find_section(BDB_LVDS_BACKLIGHT);
+
+ if (!block)
+ return;
+
+ backlight = block->data;
+
+ printf("Backlight info block (len %d):\n", block->size);
+
+ if (sizeof(struct blc_struct) != backlight->blcstruct_size) {
+ printf("\tBacklight struct sizes don't match (expected %u, got %u), skipping\n",
+ sizeof(struct blc_struct), backlight->blcstruct_size);
+ return;
+ }
+
+ blc = &backlight->panels[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 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);
+
+ if (!block)
+ return;
+
+ defs = block->data;
+
+ printf("General definitions block:\n");
+
+ 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("\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);
+ }
+
+ free(block);
+}
+
+#if 0
+static void dump_child_devices(void)
+{
+ struct bdb_block *block;
+ struct bdb_child_devices *child_devs;
+ struct child_device_config *child;
+ int i;
+
+ block = find_section(BDB_CHILD_DEVICE_TABLE);
+ if (!block) {
+ printf("No child device table found\n");
+ return;
+ }
+
+ child_devs = block->data;
+
+ printf("Child devices block:\n");
+ 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\n", 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);
+ }
+
+ free(block);
+}
+#endif
+
+static void dump_lvds_options(void)
+{
+ struct bdb_block *block;
+ struct bdb_lvds_options *options;
+
+ block = find_section(BDB_LVDS_OPTIONS);
+ if (!block) {
+ printf("No LVDS options block\n");
+ return;
+ }
+
+ options = block->data;
+
+ printf("LVDS options block:\n");
+
+ panel_type = options->panel_type;
+ printf("\tPanel type: %d\n", 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);
+
+ free(block);
+}
+
+static void dump_lvds_ptr_data(void)
+{
+ struct bdb_block *block;
+ struct bdb_lvds_lfp_data *lvds_data;
+ struct bdb_lvds_lfp_data_ptrs *ptrs;
+ struct lvds_fp_timing *fp_timing;
+ struct bdb_lvds_lfp_data_entry *entry;
+ int lfp_data_size;
+
+ block = find_section(BDB_LVDS_LFP_DATA_PTRS);
+ if (!block) {
+ printf("No LFP data pointers block\n");
+ return;
+ }
+ ptrs = block->data;
+
+ block = find_section(BDB_LVDS_LFP_DATA);
+ if (!block) {
+ printf("No LVDS data block\n");
+ return;
+ }
+ lvds_data = block->data;
+
+ lfp_data_size =
+ ptrs->ptr[1].fp_timing_offset - ptrs->ptr[0].fp_timing_offset;
+ entry =
+ (struct bdb_lvds_lfp_data_entry *)((uint8_t *) lvds_data->data +
+ (lfp_data_size * panel_type));
+ fp_timing = &entry->fp_timing;
+
+ printf("LVDS timing pointer data:\n");
+ printf(" Number of entries: %d\n", ptrs->lvds_entries);
+
+ printf("\tpanel type %02i: %dx%d\n", panel_type, fp_timing->x_res,
+ fp_timing->y_res);
+
+ free(block);
+}
+
+static void dump_lvds_data(void)
+{
+ struct bdb_block *block;
+ struct bdb_lvds_lfp_data *lvds_data;
+ 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;
+
+ block = find_section(BDB_LVDS_LFP_DATA_PTRS);
+ if (!block) {
+ printf("No LVDS ptr block\n");
+ return;
+ }
+ 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;
+ free(block);
+
+ block = find_section(BDB_LVDS_LFP_DATA);
+ if (!block) {
+ printf("No LVDS data block\n");
+ return;
+ }
+
+ lvds_data = block->data;
+ num_entries = block->size / lfp_data_size;
+
+ printf("LVDS panel data block (preferred block marked with '*'):\n");
+ printf(" Number of entries: %d\n", num_entries);
+
+ for (i = 0; i < num_entries; i++) {
+ uint8_t *lfp_data_ptr =
+ (uint8_t *) lvds_data->data + lfp_data_size * i;
+ uint8_t *timing_data = lfp_data_ptr + dvo_offset;
+ struct bdb_lvds_lfp_data_entry *lfp_data =
+ (struct bdb_lvds_lfp_data_entry *)lfp_data_ptr;
+ char marker;
+
+ if (i == 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(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_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);
+ free(block);
+}
+
+static void dump_edp(void)
+{
+ struct bdb_block *block;
+ struct bdb_edp *edp;
+ int bpp;
+
+ block = find_section(BDB_EDP);
+ if (!block) {
+ printf("No EDP data block\n");
+ return;
+ }
+ edp = block->data;
+
+ printf("eDP block: type %d\n", panel_type);
+ printf("\tPower Sequence: T3 %d T7 %d T9 %d T10 %d T12 %d\n",
+ edp->power_seqs[panel_type].t3,
+ edp->power_seqs[panel_type].t7,
+ edp->power_seqs[panel_type].t9,
+ edp->power_seqs[panel_type].t10,
+ edp->power_seqs[panel_type].t12);
+
+ bpp = (edp->color_depth >> (panel_type * 2)) & 3;
+
+ printf("\tPanel color depth: ");
+ switch (bpp) {
+ case EDP_18BPP:
+ printf("18bpp\n");
+ break;
+ case EDP_24BPP:
+ printf("24bpp\n");
+ break;
+ case EDP_30BPP:
+ printf("30bpp\n");
+ break;
+ }
+ printf("\teDP sDRRs MSA timing delay: %d\n", edp->sdrrs_msa_timing_delay);
+ printf("\tLink params:\n");
+ printf("\t\trate: ");
+ if (edp->link_params[panel_type].rate == EDP_RATE_1_62)
+ printf("1.62G\n");
+ else if (edp->link_params[panel_type].rate == EDP_RATE_2_7)
+ printf("2.7G\n");
+ printf("\t\tlanes: ");
+ switch (edp->link_params[panel_type].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;
+ }
+ printf("\t\tpre-emphasis: ");
+ switch (edp->link_params[panel_type].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;
+ }
+ printf("\t\tvswing: ");
+ switch (edp->link_params[panel_type].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;
+ }
+ free(block);
+}
+
+int main(int argc, char **argv)
+{
+ int fd;
+ struct vbt_header *vbt = NULL;
+ int vbt_off, bdb_off, i;
+ char *filename = "bios";
+ struct stat finfo;
+ struct bdb_block *block;
+ char signature[17];
+
+ if (argc != 2) {
+ printf("usage: %s <rom file>\n", argv[0]);
+ return 1;
+ }
+
+ filename = argv[1];
+
+ fd = open(filename, O_RDONLY);
+ if (fd == -1) {
+ printf("Couldn't open \"%s\": %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ if (stat(filename, &finfo)) {
+ printf("failed to stat \"%s\": %s\n", filename,
+ strerror(errno));
+ return 1;
+ }
+
+ pI830->VBIOS = mmap(NULL, finfo.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ if (pI830->VBIOS == MAP_FAILED) {
+ printf("failed to map \"%s\": %s\n", filename, strerror(errno));
+ return 1;
+ }
+
+ /* Scour memory looking for the VBT signature */
+ for (i = 0; i + 4 < finfo.st_size; i++) {
+ if (!memcmp(pI830->VBIOS + i, "$VBT", 4)) {
+ vbt_off = i;
+ vbt = (struct vbt_header *)(pI830->VBIOS + i);
+ break;
+ }
+ }
+
+ if (!vbt) {
+ printf("VBT signature missing\n");
+ return 1;
+ }
+
+ printf("VBT vers: %d.%d\n", vbt->version / 100, vbt->version % 100);
+
+ bdb_off = vbt_off + vbt->bdb_offset;
+ bdb = (struct bdb_header *)(pI830->VBIOS + bdb_off);
+ strncpy(signature, (char *)bdb->signature, 16);
+ signature[16] = 0;
+ printf("BDB sig: %s\n", signature);
+ printf("BDB vers: %d.%d\n", bdb->version / 100, bdb->version % 100);
+
+ printf("Available sections: ");
+ for (i = 0; i < 256; i++) {
+ block = find_section(i);
+ if (!block)
+ continue;
+ printf("%d ", i);
+ free(block);
+ }
+ printf("\n");
+
+ dump_general_features();
+ dump_general_definitions();
+// dump_child_devices();
+ dump_lvds_options();
+ dump_lvds_data();
+ dump_lvds_ptr_data();
+ dump_backlight_info();
+
+ dump_driver_feature();
+ dump_edp();
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-09 04:56:02 +0000