From 97ffee66ae240fdebe8142f4f43687b1772a9350 Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Tue, 12 Jan 2010 14:04:43 +0800 Subject: Pull bios_reader program from Xorg driver Signed-off-by: Zhenyu Wang --- .gitignore | 1 + tools/Makefile.am | 7 +- tools/intel_bios.h | 664 ++++++++++++++++++++++++++++++++++++++++++++ tools/intel_bios_reader.c | 680 ++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 1351 insertions(+), 1 deletion(-) create mode 100644 tools/intel_bios.h create mode 100644 tools/intel_bios_reader.c 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) $(WARN_CFLAGS) \ diff --git a/tools/intel_bios.h b/tools/intel_bios.h new file mode 100644 index 00000000..8af7e521 --- /dev/null +++ b/tools/intel_bios.h @@ -0,0 +1,664 @@ +/* + * Copyright © 2006 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Eric Anholt + * + */ + +#ifndef _INTEL_BIOS_H_ +#define _INTEL_BIOS_H_ + +#include + +struct vbt_header { + char signature[20]; /**< Always starts with 'VBT$' */ + 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 + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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 \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; +} -- cgit v1.2.3