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/*
* 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>
*
*/
struct vbt_header {
char signature[20]; /**< Always starts with 'VBT$' */
CARD16 version; /**< decimal */
CARD16 header_size; /**< in bytes */
CARD16 vbt_size; /**< in bytes */
CARD8 vbt_checksum;
CARD8 reserved0;
CARD32 bdb_offset; /**< from beginning of VBT */
CARD32 aim1_offset; /**< from beginning of VBT */
CARD32 aim2_offset; /**< from beginning of VBT */
CARD32 aim3_offset; /**< from beginning of VBT */
CARD32 aim4_offset; /**< from beginning of VBT */
} __attribute__((packed));
struct bdb_header {
char signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
CARD16 version; /**< decimal */
CARD16 header_size; /**< in bytes */
CARD16 bdb_size; /**< in bytes */
} __attribute__((packed));
#define LVDS_CAP_EDID (1 << 6)
#define LVDS_CAP_DITHER (1 << 5)
#define LVDS_CAP_PFIT_AUTO_RATIO (1 << 4)
#define LVDS_CAP_PFIT_GRAPHICS_MODE (1 << 3)
#define LVDS_CAP_PFIT_TEXT_MODE (1 << 2)
#define LVDS_CAP_PFIT_GRAPHICS (1 << 1)
#define LVDS_CAP_PFIT_TEXT (1 << 0)
struct lvds_bdb_1 {
CARD8 id; /**< 40 */
CARD16 size;
CARD8 panel_type;
CARD8 reserved0;
CARD16 caps;
} __attribute__((packed));
struct lvds_bdb_2_fp_params {
CARD16 x_res;
CARD16 y_res;
CARD32 lvds_reg;
CARD32 lvds_reg_val;
CARD32 pp_on_reg;
CARD32 pp_on_reg_val;
CARD32 pp_off_reg;
CARD32 pp_off_reg_val;
CARD32 pp_cycle_reg;
CARD32 pp_cycle_reg_val;
CARD32 pfit_reg;
CARD32 pfit_reg_val;
CARD16 terminator;
} __attribute__((packed));
struct lvds_bdb_2_fp_edid_dtd {
CARD16 dclk; /**< In 10khz */
CARD8 hactive;
CARD8 hblank;
CARD8 high_h; /**< 7:4 = hactive 11:8, 3:0 = hblank 11:8 */
CARD8 vactive;
CARD8 vblank;
CARD8 high_v; /**< 7:4 = vactive 11:8, 3:0 = vblank 11:8 */
CARD8 hsync_off;
CARD8 hsync_pulse_width;
CARD8 vsync_off;
CARD8 high_hsync_off; /**< 7:6 = hsync off 9:8 */
CARD8 h_image;
CARD8 v_image;
CARD8 max_hv;
CARD8 h_border;
CARD8 v_border;
CARD8 flags;
#define FP_EDID_FLAG_VSYNC_POSITIVE (1 << 2)
#define FP_EDID_FLAG_HSYNC_POSITIVE (1 << 1)
} __attribute__((packed));
struct lvds_bdb_2_entry {
CARD16 fp_params_offset; /**< From beginning of BDB */
CARD8 fp_params_size;
CARD16 fp_edid_dtd_offset;
CARD8 fp_edid_dtd_size;
CARD16 fp_edid_pid_offset;
CARD8 fp_edid_pid_size;
} __attribute__((packed));
struct lvds_bdb_2 {
CARD8 id; /**< 41 */
CARD16 size;
CARD8 table_size; /* not sure on this one */
struct lvds_bdb_2_entry panels[16];
} __attribute__((packed));
Bool
i830GetLVDSInfoFromBIOS(ScrnInfoPtr pScrn);
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