3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SDE_EDID_PARSER_H_
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#define _SDE_EDID_PARSER_H_
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#include <linux/types.h>
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#include <linux/bitops.h>
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#include <linux/debugfs.h>
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#include <linux/of_device.h>
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#include <linux/i2c.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_edid.h>
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#define MAX_NUMBER_ADB 5
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#define MAX_AUDIO_DATA_BLOCK_SIZE 30
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#define MAX_SPKR_ALLOC_DATA_BLOCK_SIZE 3
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#define EDID_VENDOR_ID_SIZE 4
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#define SDE_CEA_EXT 0x02
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#define SDE_EXTENDED_TAG 0x07
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#define SDE_DRM_MODE_FLAG_FMT_MASK (0x3 << 20)
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enum extended_data_block_types {
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VIDEO_CAPABILITY_DATA_BLOCK = 0x0,
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VENDOR_SPECIFIC_VIDEO_DATA_BLOCK = 0x01,
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HDMI_VIDEO_DATA_BLOCK = 0x04,
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HDR_STATIC_METADATA_DATA_BLOCK = 0x06,
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Y420_VIDEO_DATA_BLOCK = 0x0E,
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VIDEO_FORMAT_PREFERENCE_DATA_BLOCK = 0x0D,
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Y420_CAPABILITY_MAP_DATA_BLOCK = 0x0F,
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VENDOR_SPECIFIC_AUDIO_DATA_BLOCK = 0x11,
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INFOFRAME_DATA_BLOCK = 0x20,
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};
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#ifdef SDE_EDID_DEBUG_ENABLE
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#define SDE_EDID_DEBUG(fmt, args...) SDE_ERROR(fmt, ##args)
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#else
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#define SDE_EDID_DEBUG(fmt, args...) SDE_DEBUG(fmt, ##args)
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#endif
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/*
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* struct hdmi_edid_hdr_data - HDR Static Metadata
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* @eotf: Electro-Optical Transfer Function
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* @metadata_type_one: Static Metadata Type 1 support
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* @max_luminance: Desired Content Maximum Luminance
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* @avg_luminance: Desired Content Frame-average Luminance
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* @min_luminance: Desired Content Minimum Luminance
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*/
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struct sde_edid_hdr_data {
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u32 eotf;
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bool metadata_type_one;
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u32 max_luminance;
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u32 avg_luminance;
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u32 min_luminance;
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};
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struct sde_edid_sink_caps {
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u32 max_pclk_in_hz;
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bool scdc_present;
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bool scramble_support; /* scramble support for less than 340Mcsc */
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bool read_req_support;
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bool osd_disparity;
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bool dual_view_support;
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bool ind_view_support;
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};
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struct sde_edid_ctrl {
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struct edid *edid;
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u8 pt_scan_info;
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u8 it_scan_info;
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u8 ce_scan_info;
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u8 audio_data_block[MAX_NUMBER_ADB * MAX_AUDIO_DATA_BLOCK_SIZE];
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int adb_size;
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u8 spkr_alloc_data_block[MAX_SPKR_ALLOC_DATA_BLOCK_SIZE];
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int sadb_size;
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bool hdr_supported;
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char vendor_id[EDID_VENDOR_ID_SIZE];
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struct sde_edid_sink_caps sink_caps;
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struct sde_edid_hdr_data hdr_data;
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};
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/**
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* sde_edid_init() - init edid structure.
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* @edid_ctrl: Handle to the edid_ctrl structure.
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* Return: handle to sde_edid_ctrl for the client.
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*/
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struct sde_edid_ctrl *sde_edid_init(void);
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/**
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* sde_edid_deinit() - deinit edid structure.
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* @edid_ctrl: Handle to the edid_ctrl structure.
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*
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* Return: void.
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*/
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void sde_edid_deinit(void **edid_ctrl);
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/**
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* sde_get_edid() - get edid info.
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* @connector: Handle to the drm_connector.
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* @adapter: handle to i2c adapter for DDC read
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* @edid_ctrl: Handle to the edid_ctrl structure.
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*
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* Return: void.
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*/
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void sde_get_edid(struct drm_connector *connector,
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struct i2c_adapter *adapter,
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void **edid_ctrl);
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/**
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* sde_parse_edid() - parses edid info.
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* @edid_ctrl: Handle to the edid_ctrl structure.
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*
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* Return: void.
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*/
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void sde_parse_edid(void *edid_ctrl);
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/**
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* sde_free_edid() - free edid structure.
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* @edid_ctrl: Handle to the edid_ctrl structure.
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*
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* Return: void.
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*/
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void sde_free_edid(void **edid_ctrl);
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/**
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* sde_detect_hdmi_monitor() - detect HDMI mode.
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* @edid_ctrl: Handle to the edid_ctrl structure.
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*
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* Return: error code.
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*/
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bool sde_detect_hdmi_monitor(void *edid_ctrl);
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/**
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* sde_get_edid_checksum() - return the checksum of last block of EDID.
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* @input: Handle to the edid_ctrl structure.
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*
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* Return: checksum of the last EDID block.
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*/
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u8 sde_get_edid_checksum(void *input);
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/**
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* _sde_edid_update_modes() - populate EDID modes.
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* @edid_ctrl: Handle to the edid_ctrl structure.
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*
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* Return: error code.
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*/
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int _sde_edid_update_modes(struct drm_connector *connector,
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void *edid_ctrl);
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#endif /* _SDE_EDID_PARSER_H_ */
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