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Diffstat (limited to 'src/bios_reader/bios_reader.c')
-rw-r--r--src/bios_reader/bios_reader.c587
1 files changed, 0 insertions, 587 deletions
diff --git a/src/bios_reader/bios_reader.c b/src/bios_reader/bios_reader.c
deleted file mode 100644
index ee1e3f56..00000000
--- a/src/bios_reader/bios_reader.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * 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 "../i830_bios.h"
-
-#include <X11/Xfuncproto.h>
-#include <X11/Xmd.h>
-#define _PARSE_EDID_
-#include "edid.h"
-
-/* 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 %d, got %d), 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);
-}
-
-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();
-
- return 0;
-}
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