diff options
Diffstat (limited to 'qemu/roms/u-boot/include/edid.h')
-rw-r--r-- | qemu/roms/u-boot/include/edid.h | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/qemu/roms/u-boot/include/edid.h b/qemu/roms/u-boot/include/edid.h deleted file mode 100644 index 480a773d0..000000000 --- a/qemu/roms/u-boot/include/edid.h +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Copyright (c) 2012 The Chromium OS Authors. - * - * (C) Copyright 2010 - * Petr Stetiar <ynezz@true.cz> - * - * SPDX-License-Identifier: GPL-2.0+ - * - * Contains stolen code from ddcprobe project which is: - * Copyright (C) Nalin Dahyabhai <bigfun@pobox.com> - */ - -#ifndef __EDID_H_ -#define __EDID_H_ - -#include <linux/types.h> - -#define GET_BIT(_x, _pos) \ - (((_x) >> (_pos)) & 1) -#define GET_BITS(_x, _pos_msb, _pos_lsb) \ - (((_x) >> (_pos_lsb)) & ((1 << ((_pos_msb) - (_pos_lsb) + 1)) - 1)) - -/* Aspect ratios used in EDID info. */ -enum edid_aspect { - ASPECT_625 = 0, - ASPECT_75, - ASPECT_8, - ASPECT_5625, -}; - -/* Detailed timing information used in EDID v1.x */ -struct edid_detailed_timing { - unsigned char pixel_clock[2]; -#define EDID_DETAILED_TIMING_PIXEL_CLOCK(_x) \ - (((((uint32_t)(_x).pixel_clock[1]) << 8) + \ - (_x).pixel_clock[0]) * 10000) - unsigned char horizontal_active; - unsigned char horizontal_blanking; - unsigned char horizontal_active_blanking_hi; -#define EDID_DETAILED_TIMING_HORIZONTAL_ACTIVE(_x) \ - ((GET_BITS((_x).horizontal_active_blanking_hi, 7, 4) << 8) + \ - (_x).horizontal_active) -#define EDID_DETAILED_TIMING_HORIZONTAL_BLANKING(_x) \ - ((GET_BITS((_x).horizontal_active_blanking_hi, 3, 0) << 8) + \ - (_x).horizontal_blanking) - unsigned char vertical_active; - unsigned char vertical_blanking; - unsigned char vertical_active_blanking_hi; -#define EDID_DETAILED_TIMING_VERTICAL_ACTIVE(_x) \ - ((GET_BITS((_x).vertical_active_blanking_hi, 7, 4) << 8) + \ - (_x).vertical_active) -#define EDID_DETAILED_TIMING_VERTICAL_BLANKING(_x) \ - ((GET_BITS((_x).vertical_active_blanking_hi, 3, 0) << 8) + \ - (_x).vertical_blanking) - unsigned char hsync_offset; - unsigned char hsync_pulse_width; - unsigned char vsync_offset_pulse_width; - unsigned char hsync_vsync_offset_pulse_width_hi; -#define EDID_DETAILED_TIMING_HSYNC_OFFSET(_x) \ - ((GET_BITS((_x).hsync_vsync_offset_pulse_width_hi, 7, 6) << 8) + \ - (_x).hsync_offset) -#define EDID_DETAILED_TIMING_HSYNC_PULSE_WIDTH(_x) \ - ((GET_BITS((_x).hsync_vsync_offset_pulse_width_hi, 5, 4) << 8) + \ - (_x).hsync_pulse_width) -#define EDID_DETAILED_TIMING_VSYNC_OFFSET(_x) \ - ((GET_BITS((_x).hsync_vsync_offset_pulse_width_hi, 3, 2) << 4) + \ - GET_BITS((_x).vsync_offset_pulse_width, 7, 4)) -#define EDID_DETAILED_TIMING_VSYNC_PULSE_WIDTH(_x) \ - ((GET_BITS((_x).hsync_vsync_offset_pulse_width_hi, 1, 0) << 4) + \ - GET_BITS((_x).vsync_offset_pulse_width, 3, 0)) - unsigned char himage_size; - unsigned char vimage_size; - unsigned char himage_vimage_size_hi; -#define EDID_DETAILED_TIMING_HIMAGE_SIZE(_x) \ - ((GET_BITS((_x).himage_vimage_size_hi, 7, 4) << 8) + (_x).himage_size) -#define EDID_DETAILED_TIMING_VIMAGE_SIZE(_x) \ - ((GET_BITS((_x).himage_vimage_size_hi, 3, 0) << 8) + (_x).vimage_size) - unsigned char hborder; - unsigned char vborder; - unsigned char flags; -#define EDID_DETAILED_TIMING_FLAG_INTERLACED(_x) \ - GET_BIT((_x).flags, 7) -#define EDID_DETAILED_TIMING_FLAG_STEREO(_x) \ - GET_BITS((_x).flags, 6, 5) -#define EDID_DETAILED_TIMING_FLAG_DIGITAL_COMPOSITE(_x) \ - GET_BITS((_x).flags, 4, 3) -#define EDID_DETAILED_TIMING_FLAG_POLARITY(_x) \ - GET_BITS((_x).flags, 2, 1) -#define EDID_DETAILED_TIMING_FLAG_INTERLEAVED(_x) \ - GET_BIT((_x).flags, 0) -} __attribute__ ((__packed__)); - -enum edid_monitor_descriptor_types { - EDID_MONITOR_DESCRIPTOR_SERIAL = 0xff, - EDID_MONITOR_DESCRIPTOR_ASCII = 0xfe, - EDID_MONITOR_DESCRIPTOR_RANGE = 0xfd, - EDID_MONITOR_DESCRIPTOR_NAME = 0xfc, -}; - -struct edid_monitor_descriptor { - uint16_t zero_flag_1; - unsigned char zero_flag_2; - unsigned char type; - unsigned char zero_flag_3; - union { - char string[13]; - struct { - unsigned char vertical_min; - unsigned char vertical_max; - unsigned char horizontal_min; - unsigned char horizontal_max; - unsigned char pixel_clock_max; - unsigned char gtf_data[8]; - } range_data; - } data; -} __attribute__ ((__packed__)); - -struct edid1_info { - unsigned char header[8]; - unsigned char manufacturer_name[2]; -#define EDID1_INFO_MANUFACTURER_NAME_ZERO(_x) \ - GET_BIT(((_x).manufacturer_name[0]), 7) -#define EDID1_INFO_MANUFACTURER_NAME_CHAR1(_x) \ - GET_BITS(((_x).manufacturer_name[0]), 6, 2) -#define EDID1_INFO_MANUFACTURER_NAME_CHAR2(_x) \ - ((GET_BITS(((_x).manufacturer_name[0]), 1, 0) << 3) + \ - GET_BITS(((_x).manufacturer_name[1]), 7, 5)) -#define EDID1_INFO_MANUFACTURER_NAME_CHAR3(_x) \ - GET_BITS(((_x).manufacturer_name[1]), 4, 0) - unsigned char product_code[2]; -#define EDID1_INFO_PRODUCT_CODE(_x) \ - (((uint16_t)(_x).product_code[1] << 8) + (_x).product_code[0]) - unsigned char serial_number[4]; -#define EDID1_INFO_SERIAL_NUMBER(_x) \ - (((uint32_t)(_x).serial_number[3] << 24) + \ - ((_x).serial_number[2] << 16) + ((_x).serial_number[1] << 8) + \ - (_x).serial_number[0]) - unsigned char week; - unsigned char year; - unsigned char version; - unsigned char revision; - unsigned char video_input_definition; -#define EDID1_INFO_VIDEO_INPUT_DIGITAL(_x) \ - GET_BIT(((_x).video_input_definition), 7) -#define EDID1_INFO_VIDEO_INPUT_VOLTAGE_LEVEL(_x) \ - GET_BITS(((_x).video_input_definition), 6, 5) -#define EDID1_INFO_VIDEO_INPUT_BLANK_TO_BLACK(_x) \ - GET_BIT(((_x).video_input_definition), 4) -#define EDID1_INFO_VIDEO_INPUT_SEPARATE_SYNC(_x) \ - GET_BIT(((_x).video_input_definition), 3) -#define EDID1_INFO_VIDEO_INPUT_COMPOSITE_SYNC(_x) \ - GET_BIT(((_x).video_input_definition), 2) -#define EDID1_INFO_VIDEO_INPUT_SYNC_ON_GREEN(_x) \ - GET_BIT(((_x).video_input_definition), 1) -#define EDID1_INFO_VIDEO_INPUT_SERRATION_V(_x) \ - GET_BIT(((_x).video_input_definition), 0) - unsigned char max_size_horizontal; - unsigned char max_size_vertical; - unsigned char gamma; - unsigned char feature_support; -#define EDID1_INFO_FEATURE_STANDBY(_x) \ - GET_BIT(((_x).feature_support), 7) -#define EDID1_INFO_FEATURE_SUSPEND(_x) \ - GET_BIT(((_x).feature_support), 6) -#define EDID1_INFO_FEATURE_ACTIVE_OFF(_x) \ - GET_BIT(((_x).feature_support), 5) -#define EDID1_INFO_FEATURE_DISPLAY_TYPE(_x) \ - GET_BITS(((_x).feature_support), 4, 3) -#define EDID1_INFO_FEATURE_RGB(_x) \ - GET_BIT(((_x).feature_support), 2) -#define EDID1_INFO_FEATURE_PREFERRED_TIMING_MODE(_x) \ - GET_BIT(((_x).feature_support), 1) -#define EDID1_INFO_FEATURE_DEFAULT_GTF_SUPPORT(_x) \ - GET_BIT(((_x).feature_support), 0) - unsigned char color_characteristics[10]; - unsigned char established_timings[3]; -#define EDID1_INFO_ESTABLISHED_TIMING_720X400_70(_x) \ - GET_BIT(((_x).established_timings[0]), 7) -#define EDID1_INFO_ESTABLISHED_TIMING_720X400_88(_x) \ - GET_BIT(((_x).established_timings[0]), 6) -#define EDID1_INFO_ESTABLISHED_TIMING_640X480_60(_x) \ - GET_BIT(((_x).established_timings[0]), 5) -#define EDID1_INFO_ESTABLISHED_TIMING_640X480_67(_x) \ - GET_BIT(((_x).established_timings[0]), 4) -#define EDID1_INFO_ESTABLISHED_TIMING_640X480_72(_x) \ - GET_BIT(((_x).established_timings[0]), 3) -#define EDID1_INFO_ESTABLISHED_TIMING_640X480_75(_x) \ - GET_BIT(((_x).established_timings[0]), 2) -#define EDID1_INFO_ESTABLISHED_TIMING_800X600_56(_x) \ - GET_BIT(((_x).established_timings[0]), 1) -#define EDID1_INFO_ESTABLISHED_TIMING_800X600_60(_x) \ - GET_BIT(((_x).established_timings[0]), 0) -#define EDID1_INFO_ESTABLISHED_TIMING_800X600_72(_x) \ - GET_BIT(((_x).established_timings[1]), 7) -#define EDID1_INFO_ESTABLISHED_TIMING_800X600_75(_x) \ - GET_BIT(((_x).established_timings[1]), 6) -#define EDID1_INFO_ESTABLISHED_TIMING_832X624_75(_x) \ - GET_BIT(((_x).established_timings[1]), 5) -#define EDID1_INFO_ESTABLISHED_TIMING_1024X768_87I(_x) \ - GET_BIT(((_x).established_timings[1]), 4) -#define EDID1_INFO_ESTABLISHED_TIMING_1024X768_60(_x) \ - GET_BIT(((_x).established_timings[1]), 3) -#define EDID1_INFO_ESTABLISHED_TIMING_1024X768_70(_x) \ - GET_BIT(((_x).established_timings[1]), 2) -#define EDID1_INFO_ESTABLISHED_TIMING_1024X768_75(_x) \ - GET_BIT(((_x).established_timings[1]), 1) -#define EDID1_INFO_ESTABLISHED_TIMING_1280X1024_75(_x) \ - GET_BIT(((_x).established_timings[1]), 0) -#define EDID1_INFO_ESTABLISHED_TIMING_1152X870_75(_x) \ - GET_BIT(((_x).established_timings[2]), 7) - struct { - unsigned char xresolution; - unsigned char aspect_vfreq; - } __attribute__((__packed__)) standard_timings[8]; -#define EDID1_INFO_STANDARD_TIMING_XRESOLUTION(_x, _i) \ - (((_x).standard_timings[_i]).xresolution) -#define EDID1_INFO_STANDARD_TIMING_ASPECT(_x, _i) \ - GET_BITS(((_x).standard_timings[_i].aspect_vfreq), 7, 6) -#define EDID1_INFO_STANDARD_TIMING_VFREQ(_x, _i) \ - GET_BITS(((_x).standard_timings[_i].aspect_vfreq), 5, 0) - union { - unsigned char timing[72]; - struct edid_monitor_descriptor descriptor[4]; - } monitor_details; - unsigned char extension_flag; - unsigned char checksum; -} __attribute__ ((__packed__)); - -/** - * Print the EDID info. - * - * @param edid_info The EDID info to be printed - */ -void edid_print_info(struct edid1_info *edid_info); - -/** - * Check the EDID info. - * - * @param info The EDID info to be checked - * @return 0 on valid, or -1 on invalid - */ -int edid_check_info(struct edid1_info *info); - -/** - * Get the horizontal and vertical rate ranges of the monitor. - * - * @param edid The EDID info - * @param hmin Returns the minimum horizontal rate - * @param hmax Returns the maxium horizontal rate - * @param vmin Returns the minimum vertical rate - * @param vmax Returns the maxium vertical rate - * @return 0 on success, or -1 on error - */ -int edid_get_ranges(struct edid1_info *edid, unsigned int *hmin, - unsigned int *hmax, unsigned int *vmin, - unsigned int *vmax); - -#endif /* __EDID_H_ */ |