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move generic parts of EDID handling (structure, checksumming) to generic location

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This commit is contained in:
Colin Watson 2010-12-14 17:06:32 +00:00
parent e03f549b3e
commit 25d884a52a
5 changed files with 92 additions and 87 deletions
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64
include/grub/i386/pc/vbe.h
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@ -19,6 +19,8 @@
#ifndef GRUB_VBE_MACHINE_HEADER
#define GRUB_VBE_MACHINE_HEADER 1
#include <grub/video.h>
/* Default video mode to be used. */
#define GRUB_VBE_DEFAULT_VIDEO_MODE 0x101
@ -184,66 +186,6 @@ struct grub_vbe_flat_panel_info
grub_uint8_t reserved[14];
} __attribute__ ((packed));
struct grub_vbe_edid_info
{
grub_uint8_t header[8];
grub_uint16_t manufacturer_id;
grub_uint16_t product_id;
grub_uint32_t serial_number;
grub_uint8_t week_of_manufacture;
grub_uint8_t year_of_manufacture;
grub_uint8_t version;
grub_uint8_t revision;
grub_uint8_t video_input_definition;
grub_uint8_t max_horizontal_image_size;
grub_uint8_t max_vertical_image_size;
grub_uint8_t display_gamma;
grub_uint8_t feature_support;
#define GRUB_VBE_EDID_FEATURE_PREFERRED_TIMING_MODE (1 << 1)
grub_uint8_t red_green_lo;
grub_uint8_t blue_white_lo;
grub_uint8_t red_x_hi;
grub_uint8_t red_y_hi;
grub_uint8_t green_x_hi;
grub_uint8_t green_y_hi;
grub_uint8_t blue_x_hi;
grub_uint8_t blue_y_hi;
grub_uint8_t white_x_hi;
grub_uint8_t white_y_hi;
grub_uint8_t established_timings_1;
grub_uint8_t established_timings_2;
grub_uint8_t manufacturer_reserved_timings;
grub_uint16_t standard_timings[8];
struct {
grub_uint16_t pixel_clock;
/* Only valid if the pixel clock is non-null. */
grub_uint8_t horizontal_active_lo;
grub_uint8_t horizontal_blanking_lo;
grub_uint8_t horizontal_hi;
grub_uint8_t vertical_active_lo;
grub_uint8_t vertical_blanking_lo;
grub_uint8_t vertical_hi;
grub_uint8_t horizontal_sync_offset_lo;
grub_uint8_t horizontal_sync_pulse_width_lo;
grub_uint8_t vertical_sync_lo;
grub_uint8_t sync_hi;
grub_uint8_t horizontal_image_size_lo;
grub_uint8_t vertical_image_size_lo;
grub_uint8_t image_size_hi;
grub_uint8_t horizontal_border;
grub_uint8_t vertical_border;
grub_uint8_t flags;
} detailed_timings[4];
grub_uint8_t extension_flag;
grub_uint8_t checksum;
} __attribute__ ((packed));
/* Prototypes for helper functions. */
/* Call VESA BIOS 0x4f00 to get VBE Controller Information, return status. */
grub_vbe_status_t
@ -280,7 +222,7 @@ grub_vbe_status_t
grub_vbe_bios_get_ddc_capabilities (grub_uint8_t *level);
/* Call VESA BIOS 0x4f15 to read EDID information, return status. */
grub_vbe_status_t
grub_vbe_bios_read_edid (struct grub_vbe_edid_info *edid_data);
grub_vbe_bios_read_edid (struct grub_video_edid_info *edid_data);
grub_vbe_status_t grub_vbe_bios_getset_dac_palette_width (int set, int *width);