158 lines
5.8 KiB
C
158 lines
5.8 KiB
C
/*
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This file is provided under a dual BSD/GPLv2 license. When using or
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redistributing this file, you may do so under either license.
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GPL LICENSE SUMMARY
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Copyright(c) 2011 Intel Corporation. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution
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in the file called LICENSE.GPL.
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Contact Information:
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Intel Corporation
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2200 Mission College Blvd.
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Santa Clara, CA 95054
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BSD LICENSE
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Copyright(c) 2011 Intel Corporation. All rights reserved.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EDID_H
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#define _EDID_H
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#include <linux/types.h>
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#include <linux/i2c.h>
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#include "otm_hdmi.h"
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#define MAX_TIMINGS 100
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#define MAX_CAPS 30
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#define SEGMENT_SIZE 128
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#define MAX_EDID_BLOCKS 5
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#define MAX_DATA_BLOCK_SIZE 32
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/**
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* Different types representing pointers to a function
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*/
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typedef otm_hdmi_ret_t (*i2c_read_t)(void *client_data, unsigned int sp,
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unsigned int offset, void *buffer,
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unsigned int size);
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typedef int (*printf_t) (const char *fmt, ...);
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/**
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* Structure with parsed EDID information returned to end user
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*/
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typedef struct {
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bool hdmi; /* HDMI or DVI device */
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unsigned int num_timings; /* Number of supported timings */
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otm_hdmi_timing_t timings[MAX_TIMINGS]; /* Supported timings */
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unsigned int order[MAX_TIMINGS]; /* VIC order of descovery */
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unsigned int num_caps; /* Number of supported audiocaps */
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otm_hdmi_audio_cap_t audio_caps[MAX_CAPS]; /* Supported audio caps */
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unsigned char short_audio_descriptor_data[MAX_DATA_BLOCK_SIZE]; /* payload of CEA 861 audio data block holding SADs*/
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unsigned int short_audio_descriptor_count; /* number of Short Audio Descriptor (SAD) */
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unsigned int speaker_map; /* Speaker layout */
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unsigned short manufacturer_id; /* Manufacturer ID */
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unsigned short product_code; /* Product code */
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unsigned int product_sn; /* Serial number */
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unsigned int product_year; /* Year of product manufacture */
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unsigned int product_week; /* Week of product manufacture */
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unsigned char product_name[14]; /* Product name */
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bool ycbcr444; /* YCbCr444 support */
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bool ycbcr422; /* YCbCr422 support */
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unsigned int spa; /* CEC source physical address */
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bool dc_30; /* 30 bit Deep Color support */
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bool dc_36; /* 36 bit Deep Color support */
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bool dc_48; /* 48 bit Deep Color support */
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bool dc_y444; /* YCbCr444 support with DC */
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bool xvycc601; /* xvYCC BT601 Colorimetry */
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bool xvycc709; /* xvYCC BT709 Colorimetry */
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bool supports_ai; /* Aux audio info support */
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unsigned int max_tmds_clock;
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bool latency_present;
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bool latency_int_present;
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bool hdmi_video_present;
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int latency_video;
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int latency_audio;
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int latency_video_interlaced;
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int latency_audio_interlaced;
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bool enabled_3d;
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bool supports_60Hz;
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bool supports_50Hz;
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unsigned char max_horz_image_size;
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unsigned char max_vert_image_size;
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int native_idx;
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bool rgb_quant_selectable; /*rgb quant mode selectable */
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bool ycc_quant_selectable; /*ycc quant mode selectable */
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const otm_hdmi_timing_t **ref_timings; /* INPUT: reference timings
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table */
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unsigned int num_ref_timings; /* INPUT: size of ref timings table */
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} edid_info_t;
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otm_hdmi_ret_t edid_parse(edid_info_t *edid_info, i2c_read_t data_read,
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void *cd);
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otm_hdmi_ret_t edid_extension_parse(struct i2c_adapter *adapter,
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edid_info_t *edid_info, unsigned char *edid);
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void print_pd_timing(const otm_hdmi_timing_t *pdt, unsigned int order);
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void print_audio_capability(otm_hdmi_audio_cap_t *adb);
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void print_speaker_layout(unsigned int layout);
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void print_raw_block(unsigned char *buffer, int size);
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int find_timing(const otm_hdmi_timing_t *set, int size,
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const otm_hdmi_timing_t *e);
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int edid_parse_pd_timing_from_cea_block(edid_info_t *edid_info,
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unsigned char *buffer,
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otm_hdmi_timing_t *pdts);
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#endif /* _EDID_H */
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