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path: root/driver/xf86-video-intel/src/bios_reader/bios_reader.c
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Diffstat (limited to 'driver/xf86-video-intel/src/bios_reader/bios_reader.c')
-rw-r--r--driver/xf86-video-intel/src/bios_reader/bios_reader.c332
1 files changed, 278 insertions, 54 deletions
diff --git a/driver/xf86-video-intel/src/bios_reader/bios_reader.c b/driver/xf86-video-intel/src/bios_reader/bios_reader.c
index dbcd15038..fc5182141 100644
--- a/driver/xf86-video-intel/src/bios_reader/bios_reader.c
+++ b/driver/xf86-video-intel/src/bios_reader/bios_reader.c
@@ -38,6 +38,8 @@
#include "../i830_bios.h"
+#include <X11/Xfuncproto.h>
+#include <X11/Xmd.h>
#define _PARSE_EDID_
#include "edid.h"
@@ -59,42 +61,66 @@ struct _fake_i830 *pI830 = &I830;
#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 void *find_section(struct bdb_header *bdb, int section_id)
+static struct bdb_block *find_section(int section_id)
{
- 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;
-
- /* 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)
- return base + index;
- index += current_size;
+ 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;
+ }
- return NULL;
+ free(block);
+ return NULL;
}
-static void dump_general_features(void *data)
+static void dump_general_features(void)
{
- struct bdb_general_features *features = data;
+ struct bdb_general_features *features;
+ struct bdb_block *block;
+
+ block = find_section(BDB_GENERAL_FEATURES);
- if (!data)
+ if (!block)
return;
+ features = block->data;
+
printf("General features block:\n");
printf("\tPanel fitting: ");
@@ -133,16 +159,25 @@ static void dump_general_features(void *data)
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_general_definitions(void *data)
+static void dump_general_definitions(void)
{
- struct bdb_general_definitions *defs = data;
- unsigned char *lvds_data = defs->tv_or_lvds_info;
+ struct bdb_block *block;
+ struct bdb_general_definitions *defs;
+ struct child_device_config *child;
+ int i;
+ char child_id[11];
- if (!data)
+ 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);
@@ -153,18 +188,71 @@ static void dump_general_definitions(void *data)
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));
- if (tv_present)
- lvds_data += 33;
- if (lvds_present)
- printf("\tLFP DDC GMBUS addr: 0x%02x\n", lvds_data[19]);
+ for (i = 0; i < 4; 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);
}
-static void dump_lvds_options(void *data)
+#if 0
+static void dump_child_devices(void)
{
- struct bdb_lvds_options *options = data;
+ 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;
- if (!data)
+ block = find_section(BDB_LVDS_OPTIONS);
+ if (!block) {
+ printf("No LVDS options block\n");
return;
+ }
+
+ options = block->data;
printf("LVDS options block:\n");
@@ -178,19 +266,58 @@ static void dump_lvds_options(void *data)
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_data(void *data, unsigned char *base)
+static void dump_lvds_ptr_data(void)
{
- struct bdb_lvds_lfp_data *lvds_data = data;
+ struct bdb_block *block;
+ struct bdb_lvds_lfp_data_ptrs *ptrs;
+ struct lvds_fp_timing *fp_timing;
+
+ block = find_section(BDB_LVDS_LFP_DATA_PTRS);
+ if (!block) {
+ printf("No LFP data pointers block\n");
+ return;
+ }
+
+ ptrs = block->data;
+ fp_timing = (struct lvds_fp_timing *)((uint8_t *)bdb +
+ ptrs->ptr[panel_type].fp_timing_offset);
+
+ 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;
+ int num_entries;
int i;
+ int hdisplay, hsyncstart, hsyncend, htotal;
+ int vdisplay, vsyncstart, vsyncend, vtotal;
+ float clock;
- if (!data)
+ block = find_section(BDB_LVDS_LFP_DATA);
+ if (!block) {
+ printf("No LVDS data block\n");
return;
+ }
+
+ lvds_data = block->data;
+ num_entries = block->size / sizeof(struct bdb_lvds_lfp_data_entry);
printf("LVDS panel data block (preferred block marked with '*'):\n");
+ printf(" Number of entries: %d\n", num_entries);
- for (i = 0; i < 16; i++) {
+ for (i = 0; i < num_entries; i++) {
struct bdb_lvds_lfp_data_entry *lfp_data = &lvds_data->data[i];
uint8_t *timing_data = (uint8_t *)&lfp_data->dvo_timing;
char marker;
@@ -200,36 +327,117 @@ static void dump_lvds_data(void *data, unsigned char *base)
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\ttimings: %d %d %d %d %d %d %d %d\n",
- _H_ACTIVE(timing_data),
- _H_BLANK(timing_data),
- _H_SYNC_OFF(timing_data),
- _H_SYNC_WIDTH(timing_data),
- _V_ACTIVE(timing_data),
- _V_BLANK(timing_data),
- _V_SYNC_OFF(timing_data),
- _V_SYNC_WIDTH(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;
- struct bdb_header *bdb;
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);
@@ -267,13 +475,29 @@ int main(int argc, char **argv)
bdb_off = vbt_off + vbt->bdb_offset;
bdb = (struct bdb_header *)(pI830->VBIOS + bdb_off);
- printf("BDB sig: %16s\n", bdb->signature);
+ 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);
- dump_general_features(find_section(bdb, BDB_GENERAL_FEATURES));
- dump_general_definitions(find_section(bdb, BDB_GENERAL_DEFINITIONS));
- dump_lvds_options(find_section(bdb, BDB_LVDS_OPTIONS));
- dump_lvds_data(find_section(bdb, BDB_LVDS_LFP_DATA), bdb);
+ 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_driver_feature();
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 17:28:42 +0000