158 lines
4.6 KiB
C
158 lines
4.6 KiB
C
/*
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* Copyright © 2006 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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#ifndef _I830_BIOS_H_
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#define _I830_BIOS_H_
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#include <xf86str.h>
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struct vbt_header {
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char signature[20]; /**< Always starts with 'VBT$' */
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CARD16 version; /**< decimal */
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CARD16 header_size; /**< in bytes */
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CARD16 vbt_size; /**< in bytes */
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CARD8 vbt_checksum;
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CARD8 reserved0;
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CARD32 bdb_offset; /**< from beginning of VBT */
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CARD32 aim_offset[4]; /**< from beginning of VBT */
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} __attribute__((packed));
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struct bdb_header {
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char signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
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CARD16 version; /**< decimal */
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CARD16 header_size; /**< in bytes */
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CARD16 bdb_size; /**< in bytes */
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} __attribute__((packed));
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#define LVDS_CAP_EDID (1 << 6)
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#define LVDS_CAP_DITHER (1 << 5)
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#define LVDS_CAP_PFIT_AUTO_RATIO (1 << 4)
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#define LVDS_CAP_PFIT_GRAPHICS_MODE (1 << 3)
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#define LVDS_CAP_PFIT_TEXT_MODE (1 << 2)
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#define LVDS_CAP_PFIT_GRAPHICS (1 << 1)
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#define LVDS_CAP_PFIT_TEXT (1 << 0)
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struct lvds_bdb_1 {
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CARD8 id; /**< 40 */
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CARD16 size;
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CARD8 panel_type;
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CARD8 reserved0;
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CARD16 caps;
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} __attribute__((packed));
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struct lvds_bdb_2_fp_params {
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CARD16 x_res;
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CARD16 y_res;
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CARD32 lvds_reg;
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CARD32 lvds_reg_val;
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CARD32 pp_on_reg;
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CARD32 pp_on_reg_val;
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CARD32 pp_off_reg;
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CARD32 pp_off_reg_val;
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CARD32 pp_cycle_reg;
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CARD32 pp_cycle_reg_val;
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CARD32 pfit_reg;
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CARD32 pfit_reg_val;
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CARD16 terminator;
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} __attribute__((packed));
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struct lvds_bdb_2_fp_edid_dtd {
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CARD16 dclk; /**< In 10khz */
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CARD8 hactive;
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CARD8 hblank;
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CARD8 high_h; /**< 7:4 = hactive 11:8, 3:0 = hblank 11:8 */
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CARD8 vactive;
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CARD8 vblank;
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CARD8 high_v; /**< 7:4 = vactive 11:8, 3:0 = vblank 11:8 */
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CARD8 hsync_off;
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CARD8 hsync_pulse_width;
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CARD8 vsync_off;
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CARD8 high_hsync_off; /**< 7:6 = hsync off 9:8 */
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CARD8 h_image;
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CARD8 v_image;
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CARD8 max_hv;
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CARD8 h_border;
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CARD8 v_border;
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CARD8 flags;
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#define FP_EDID_FLAG_VSYNC_POSITIVE (1 << 2)
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#define FP_EDID_FLAG_HSYNC_POSITIVE (1 << 1)
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} __attribute__((packed));
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struct lvds_bdb_2_entry {
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CARD16 fp_params_offset; /**< From beginning of BDB */
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CARD8 fp_params_size;
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CARD16 fp_edid_dtd_offset;
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CARD8 fp_edid_dtd_size;
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CARD16 fp_edid_pid_offset;
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CARD8 fp_edid_pid_size;
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} __attribute__((packed));
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struct lvds_bdb_2 {
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CARD8 id; /**< 41 */
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CARD16 size;
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CARD8 table_size; /* not sure on this one */
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struct lvds_bdb_2_entry panels[16];
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} __attribute__((packed));
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struct aimdb_header {
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char signature[16];
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char oem_device[20];
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CARD16 aimdb_version;
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CARD16 aimdb_header_size;
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CARD16 aimdb_size;
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} __attribute__((packed));
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struct aimdb_block {
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CARD8 aimdb_id;
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CARD16 aimdb_size;
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} __attribute__((packed));
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struct vch_panel_data {
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CARD16 fp_timing_offset;
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CARD8 fp_timing_size;
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CARD16 dvo_timing_offset;
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CARD8 dvo_timing_size;
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CARD16 text_fitting_offset;
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CARD8 text_fitting_size;
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CARD16 graphics_fitting_offset;
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CARD8 graphics_fitting_size;
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} __attribute__((packed));
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struct vch_bdb_22 {
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struct aimdb_block aimdb_block;
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struct vch_panel_data panels[16];
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} __attribute__((packed));
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unsigned char *
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i830_bios_get (ScrnInfoPtr pScrn);
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DisplayModePtr i830_bios_get_panel_mode(ScrnInfoPtr pScrn, Bool *wants_dither);
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unsigned char *
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i830_bios_get_aim_data_block (ScrnInfoPtr pScrn, int aim, int data_block);
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#endif /* _I830_BIOS_H_ */
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