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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>
*
*/
#ifndef _I830_BIOS_H_
#define _I830_BIOS_H_
#include <xf86str.h>
struct vbt_header {
char signature[20]; /**< Always starts with 'VBT$' */
uint16_t version; /**< decimal */
uint16_t header_size; /**< in bytes */
uint16_t vbt_size; /**< in bytes */
uint8_t vbt_checksum;
uint8_t reserved0;
uint32_t bdb_offset; /**< from beginning of VBT */
uint32_t aim_offset[4]; /**< from beginning of VBT */
} __attribute__((packed));
struct bdb_header {
char signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
uint16_t version; /**< decimal */
uint16_t header_size; /**< in bytes */
uint16_t 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 {
uint8_t id; /**< 40 */
uint16_t size;
uint8_t panel_type;
uint8_t reserved0;
uint16_t caps;
} __attribute__((packed));
struct lvds_bdb_2_fp_params {
uint16_t x_res;
uint16_t y_res;
uint32_t lvds_reg;
uint32_t lvds_reg_val;
uint32_t pp_on_reg;
uint32_t pp_on_reg_val;
uint32_t pp_off_reg;
uint32_t pp_off_reg_val;
uint32_t pp_cycle_reg;
uint32_t pp_cycle_reg_val;
uint32_t pfit_reg;
uint32_t pfit_reg_val;
uint16_t terminator;
} __attribute__((packed));
struct lvds_bdb_2_fp_edid_dtd {
uint16_t dclk; /**< In 10khz */
uint8_t hactive;
uint8_t hblank;
uint8_t high_h; /**< 7:4 = hactive 11:8, 3:0 = hblank 11:8 */
uint8_t vactive;
uint8_t vblank;
uint8_t high_v; /**< 7:4 = vactive 11:8, 3:0 = vblank 11:8 */
uint8_t hsync_off;
uint8_t hsync_pulse_width;
uint8_t vsync_off;
uint8_t high_hsync_off; /**< 7:6 = hsync off 9:8 */
uint8_t h_image;
uint8_t v_image;
uint8_t max_hv;
uint8_t h_border;
uint8_t v_border;
uint8_t flags;
#define FP_EDID_FLAG_VSYNC_POSITIVE (1 << 2)
#define FP_EDID_FLAG_HSYNC_POSITIVE (1 << 1)
} __attribute__((packed));
struct lvds_bdb_2_entry {
uint16_t fp_params_offset; /**< From beginning of BDB */
uint8_t fp_params_size;
uint16_t fp_edid_dtd_offset;
uint8_t fp_edid_dtd_size;
uint16_t fp_edid_pid_offset;
uint8_t fp_edid_pid_size;
} __attribute__((packed));
struct lvds_bdb_2 {
uint8_t id; /**< 41 */
uint16_t size;
uint8_t table_size; /* not sure on this one */
struct lvds_bdb_2_entry panels[16];
} __attribute__((packed));
struct aimdb_header {
char signature[16];
char oem_device[20];
uint16_t aimdb_version;
uint16_t aimdb_header_size;
uint16_t aimdb_size;
} __attribute__((packed));
struct aimdb_block {
uint8_t aimdb_id;
uint16_t aimdb_size;
} __attribute__((packed));
struct vch_panel_data {
uint16_t fp_timing_offset;
uint8_t fp_timing_size;
uint16_t dvo_timing_offset;
uint8_t dvo_timing_size;
uint16_t text_fitting_offset;
uint8_t text_fitting_size;
uint16_t graphics_fitting_offset;
uint8_t graphics_fitting_size;
} __attribute__((packed));
struct vch_bdb_22 {
struct aimdb_block aimdb_block;
struct vch_panel_data panels[16];
} __attribute__((packed));
unsigned char *
i830_bios_get (ScrnInfoPtr pScrn);
DisplayModePtr i830_bios_get_panel_mode(ScrnInfoPtr pScrn, Bool *wants_dither);
unsigned char *
i830_bios_get_aim_data_block (ScrnInfoPtr pScrn, int aim, int data_block);
#endif /* _I830_BIOS_H_ */
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