1 files changed, 93 insertions, 0 deletions
diff --git a/src/i830_bios.h b/src/i830_bios.h
index 95230f5a..c1ba50d7 100644
--- a/src/i830_bios.h
+++ b/src/i830_bios.h
@@ -49,6 +49,97 @@ struct bdb_header {
     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_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));
+
+struct bdb_general_definitions {
+	/* DDC GPIO */
+	unsigned char crt_ddc_gmbus_pin;
+
+	/* 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 */
+	unsigned char tv_or_lvds_info[33];
+	unsigned char dev1[33];
+	unsigned char dev2[33];
+	unsigned char dev3[33];
+	unsigned char dev4[33];
+	/* may be another device block here on some platforms */
+};
+
 #define LVDS_CAP_EDID			(1 << 6)
 #define LVDS_CAP_DITHER			(1 << 5)
 #define LVDS_CAP_PFIT_AUTO_RATIO	(1 << 4)
@@ -150,6 +241,8 @@ struct vch_bdb_22 {
 unsigned char *
 i830_bios_get (ScrnInfoPtr pScrn);
 
+void i830_bios_get_ssc(ScrnInfoPtr pScrn);
+void i830_bios_get_tv(ScrnInfoPtr pScrn);
 DisplayModePtr i830_bios_get_panel_mode(ScrnInfoPtr pScrn, Bool *wants_dither);
 
 unsigned char *