| /* |
| * 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" |
| #include "intel_gpu_tools.h" |
| |
| static uint32_t devid; |
| |
| /* 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) { |
| if (HAS_PCH_SPLIT(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("\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 const struct { |
| unsigned short type; |
| const char *name; |
| } child_device_types[] = { |
| { DEVICE_TYPE_NONE, "none" }, |
| { DEVICE_TYPE_CRT, "CRT" }, |
| { DEVICE_TYPE_TV, "TV" }, |
| { DEVICE_TYPE_EFP, "EFP" }, |
| { DEVICE_TYPE_LFP, "LFP" }, |
| { DEVICE_TYPE_CRT_DPMS, "CRT" }, |
| { DEVICE_TYPE_CRT_DPMS_HOTPLUG, "CRT" }, |
| { DEVICE_TYPE_TV_COMPOSITE, "TV composite" }, |
| { DEVICE_TYPE_TV_MACROVISION, "TV" }, |
| { DEVICE_TYPE_TV_RF_COMPOSITE, "TV" }, |
| { DEVICE_TYPE_TV_SVIDEO_COMPOSITE, "TV S-Video" }, |
| { DEVICE_TYPE_TV_SCART, "TV SCART" }, |
| { DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR, "TV" }, |
| { DEVICE_TYPE_EFP_HOTPLUG_PWR, "EFP" }, |
| { DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR, "DVI" }, |
| { DEVICE_TYPE_EFP_DVI_I, "DVI-I" }, |
| { DEVICE_TYPE_EFP_DVI_D_DUAL, "DL-DVI-D" }, |
| { DEVICE_TYPE_EFP_DVI_D_HDCP, "DVI-D" }, |
| { DEVICE_TYPE_OPENLDI_HOTPLUG_PWR, "OpenLDI" }, |
| { DEVICE_TYPE_OPENLDI_DUALPIX, "OpenLDI" }, |
| { DEVICE_TYPE_LFP_PANELLINK, "PanelLink" }, |
| { DEVICE_TYPE_LFP_CMOS_PWR, "CMOS LFP" }, |
| { DEVICE_TYPE_LFP_LVDS_PWR, "LVDS" }, |
| { DEVICE_TYPE_LFP_LVDS_DUAL, "LVDS" }, |
| { DEVICE_TYPE_LFP_LVDS_DUAL_HDCP, "LVDS" }, |
| { DEVICE_TYPE_INT_LFP, "LFP" }, |
| { DEVICE_TYPE_INT_TV, "TV" }, |
| { DEVICE_TYPE_HDMI, "HDMI" }, |
| { DEVICE_TYPE_DP, "DisplayPort" }, |
| { DEVICE_TYPE_eDP, "eDP" }, |
| }; |
| static const int num_child_device_types = |
| sizeof(child_device_types) / sizeof(child_device_types[0]); |
| |
| static const char *child_device_type(unsigned short type) |
| { |
| int i; |
| |
| for (i = 0; i < num_child_device_types; i++) |
| if (child_device_types[i].type == type) |
| return child_device_types[i].name; |
| |
| return "unknown"; |
| } |
| |
| static void dump_child_device(struct child_device_config *child) |
| { |
| char child_id[11]; |
| |
| if (!child->device_type) |
| return; |
| |
| strncpy(child_id, (char *)child->device_id, 10); |
| child_id[10] = 0; |
| |
| printf("\tChild device info:\n"); |
| printf("\t\tDevice type: %04x (%s)\n", child->device_type, |
| child_device_type(child->device_type)); |
| printf("\t\tSignature: %s\n", child_id); |
| printf("\t\tAIM offset: %d\n", child->addin_offset); |
| printf("\t\tDVO port: 0x%02x\n", child->dvo_port); |
| } |
| |
| static void dump_general_definitions(void) |
| { |
| struct bdb_block *block; |
| struct bdb_general_definitions *defs; |
| struct child_device_config *child; |
| int i; |
| 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++) |
| dump_child_device(&defs->devices[i]); |
| |
| 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); |
| } |
| |
| static int |
| get_device_id(unsigned char *bios) |
| { |
| int device; |
| int offset = (bios[0x19] << 8) + bios[0x18]; |
| |
| 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; |
| } |
| |
| 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"); |
| |
| devid = get_device_id(pI830->VBIOS); |
| if (devid == -1) |
| printf("Warning: could not find PCI device ID!\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; |
| } |