/* * Copyright © 2007-2008 Intel Corporation * Jesse Barnes <[email protected]> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef __DRM_EDID_H__ #define __DRM_EDID_H__ #include <linux/types.h> enum hdmi_quantization_range; struct drm_connector; struct drm_device; struct drm_display_mode; struct drm_edid; struct drm_printer; struct hdmi_avi_infoframe; struct hdmi_vendor_infoframe; struct i2c_adapter; #define EDID_LENGTH … #define DDC_ADDR … #define DDC_ADDR2 … #define CEA_EXT … #define VTB_EXT … #define DI_EXT … #define LS_EXT … #define MI_EXT … #define DISPLAYID_EXT … struct est_timings { … } __packed; /* 00=16:10, 01=4:3, 10=5:4, 11=16:9 */ #define EDID_TIMING_ASPECT_SHIFT … #define EDID_TIMING_ASPECT_MASK … /* need to add 60 */ #define EDID_TIMING_VFREQ_SHIFT … #define EDID_TIMING_VFREQ_MASK … struct std_timing { … } __packed; #define DRM_EDID_PT_HSYNC_POSITIVE … #define DRM_EDID_PT_VSYNC_POSITIVE … #define DRM_EDID_PT_SEPARATE_SYNC … #define DRM_EDID_PT_STEREO … #define DRM_EDID_PT_INTERLACED … /* If detailed data is pixel timing */ struct detailed_pixel_timing { … } __packed; /* If it's not pixel timing, it'll be one of the below */ struct detailed_data_string { … } __packed; #define DRM_EDID_RANGE_OFFSET_MIN_VFREQ … #define DRM_EDID_RANGE_OFFSET_MAX_VFREQ … #define DRM_EDID_RANGE_OFFSET_MIN_HFREQ … #define DRM_EDID_RANGE_OFFSET_MAX_HFREQ … #define DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG … #define DRM_EDID_RANGE_LIMITS_ONLY_FLAG … #define DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG … #define DRM_EDID_CVT_SUPPORT_FLAG … #define DRM_EDID_CVT_FLAGS_STANDARD_BLANKING … #define DRM_EDID_CVT_FLAGS_REDUCED_BLANKING … struct detailed_data_monitor_range { … } __packed; struct detailed_data_wpindex { … } __packed; struct detailed_data_color_point { … } __packed; struct cvt_timing { … } __packed; struct detailed_non_pixel { … } __packed; #define EDID_DETAIL_EST_TIMINGS … #define EDID_DETAIL_CVT_3BYTE … #define EDID_DETAIL_COLOR_MGMT_DATA … #define EDID_DETAIL_STD_MODES … #define EDID_DETAIL_MONITOR_CPDATA … #define EDID_DETAIL_MONITOR_NAME … #define EDID_DETAIL_MONITOR_RANGE … #define EDID_DETAIL_MONITOR_STRING … #define EDID_DETAIL_MONITOR_SERIAL … struct detailed_timing { … } __packed; #define DRM_EDID_INPUT_SERRATION_VSYNC … #define DRM_EDID_INPUT_SYNC_ON_GREEN … #define DRM_EDID_INPUT_COMPOSITE_SYNC … #define DRM_EDID_INPUT_SEPARATE_SYNCS … #define DRM_EDID_INPUT_BLANK_TO_BLACK … #define DRM_EDID_INPUT_VIDEO_LEVEL … #define DRM_EDID_INPUT_DIGITAL … #define DRM_EDID_DIGITAL_DEPTH_MASK … #define DRM_EDID_DIGITAL_DEPTH_UNDEF … #define DRM_EDID_DIGITAL_DEPTH_6 … #define DRM_EDID_DIGITAL_DEPTH_8 … #define DRM_EDID_DIGITAL_DEPTH_10 … #define DRM_EDID_DIGITAL_DEPTH_12 … #define DRM_EDID_DIGITAL_DEPTH_14 … #define DRM_EDID_DIGITAL_DEPTH_16 … #define DRM_EDID_DIGITAL_DEPTH_RSVD … #define DRM_EDID_DIGITAL_TYPE_MASK … #define DRM_EDID_DIGITAL_TYPE_UNDEF … #define DRM_EDID_DIGITAL_TYPE_DVI … #define DRM_EDID_DIGITAL_TYPE_HDMI_A … #define DRM_EDID_DIGITAL_TYPE_HDMI_B … #define DRM_EDID_DIGITAL_TYPE_MDDI … #define DRM_EDID_DIGITAL_TYPE_DP … #define DRM_EDID_DIGITAL_DFP_1_X … #define DRM_EDID_FEATURE_DEFAULT_GTF … #define DRM_EDID_FEATURE_CONTINUOUS_FREQ … #define DRM_EDID_FEATURE_PREFERRED_TIMING … #define DRM_EDID_FEATURE_STANDARD_COLOR … /* If analog */ #define DRM_EDID_FEATURE_DISPLAY_TYPE … /* If digital */ #define DRM_EDID_FEATURE_COLOR_MASK … #define DRM_EDID_FEATURE_RGB … #define DRM_EDID_FEATURE_RGB_YCRCB444 … #define DRM_EDID_FEATURE_RGB_YCRCB422 … #define DRM_EDID_FEATURE_RGB_YCRCB … #define DRM_EDID_FEATURE_PM_ACTIVE_OFF … #define DRM_EDID_FEATURE_PM_SUSPEND … #define DRM_EDID_FEATURE_PM_STANDBY … #define DRM_EDID_HDMI_DC_48 … #define DRM_EDID_HDMI_DC_36 … #define DRM_EDID_HDMI_DC_30 … #define DRM_EDID_HDMI_DC_Y444 … /* YCBCR 420 deep color modes */ #define DRM_EDID_YCBCR420_DC_48 … #define DRM_EDID_YCBCR420_DC_36 … #define DRM_EDID_YCBCR420_DC_30 … #define DRM_EDID_YCBCR420_DC_MASK … /* HDMI 2.1 additional fields */ #define DRM_EDID_MAX_FRL_RATE_MASK … #define DRM_EDID_FAPA_START_LOCATION … #define DRM_EDID_ALLM … #define DRM_EDID_FVA … /* Deep Color specific */ #define DRM_EDID_DC_30BIT_420 … #define DRM_EDID_DC_36BIT_420 … #define DRM_EDID_DC_48BIT_420 … /* VRR specific */ #define DRM_EDID_CNMVRR … #define DRM_EDID_CINEMA_VRR … #define DRM_EDID_MDELTA … #define DRM_EDID_VRR_MAX_UPPER_MASK … #define DRM_EDID_VRR_MAX_LOWER_MASK … #define DRM_EDID_VRR_MIN_MASK … /* DSC specific */ #define DRM_EDID_DSC_10BPC … #define DRM_EDID_DSC_12BPC … #define DRM_EDID_DSC_16BPC … #define DRM_EDID_DSC_ALL_BPP … #define DRM_EDID_DSC_NATIVE_420 … #define DRM_EDID_DSC_1P2 … #define DRM_EDID_DSC_MAX_FRL_RATE_MASK … #define DRM_EDID_DSC_MAX_SLICES … #define DRM_EDID_DSC_TOTAL_CHUNK_KBYTES … struct drm_edid_product_id { … } __packed; struct edid { … } __packed; /* EDID matching */ struct drm_edid_ident { … }; #define EDID_PRODUCT_ID(e) … /* Short Audio Descriptor */ struct cea_sad { … }; int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads); int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb); int drm_av_sync_delay(struct drm_connector *connector, const struct drm_display_mode *mode); int drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, const struct drm_connector *connector, const struct drm_display_mode *mode); int drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, const struct drm_connector *connector, const struct drm_display_mode *mode); void drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, const struct drm_connector *connector, const struct drm_display_mode *mode, enum hdmi_quantization_range rgb_quant_range); /** * drm_edid_decode_mfg_id - Decode the manufacturer ID * @mfg_id: The manufacturer ID * @vend: A 4-byte buffer to store the 3-letter vendor string plus a '\0' * termination */ static inline const char *drm_edid_decode_mfg_id(u16 mfg_id, char vend[4]) { … } /** * drm_edid_encode_panel_id - Encode an ID for matching against drm_edid_get_panel_id() * @vend_chr_0: First character of the vendor string. * @vend_chr_1: Second character of the vendor string. * @vend_chr_2: Third character of the vendor string. * @product_id: The 16-bit product ID. * * This is a macro so that it can be calculated at compile time and used * as an initializer. * * For instance: * drm_edid_encode_panel_id('B', 'O', 'E', 0x2d08) => 0x09e52d08 * * Return: a 32-bit ID per panel. */ #define drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, product_id) … /** * drm_edid_decode_panel_id - Decode a panel ID from drm_edid_encode_panel_id() * @panel_id: The panel ID to decode. * @vend: A 4-byte buffer to store the 3-letter vendor string plus a '\0' * termination * @product_id: The product ID will be returned here. * * For instance, after: * drm_edid_decode_panel_id(0x09e52d08, vend, &product_id) * These will be true: * vend[0] = 'B' * vend[1] = 'O' * vend[2] = 'E' * vend[3] = '\0' * product_id = 0x2d08 */ static inline void drm_edid_decode_panel_id(u32 panel_id, char vend[4], u16 *product_id) { … } bool drm_probe_ddc(struct i2c_adapter *adapter); struct edid *drm_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter); struct edid *drm_get_edid_switcheroo(struct drm_connector *connector, struct i2c_adapter *adapter); struct edid *drm_edid_duplicate(const struct edid *edid); int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); int drm_edid_override_connector_update(struct drm_connector *connector); u8 drm_match_cea_mode(const struct drm_display_mode *to_match); bool drm_detect_hdmi_monitor(const struct edid *edid); bool drm_detect_monitor_audio(const struct edid *edid); enum hdmi_quantization_range drm_default_rgb_quant_range(const struct drm_display_mode *mode); int drm_add_modes_noedid(struct drm_connector *connector, int hdisplay, int vdisplay); int drm_edid_header_is_valid(const void *edid); bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, bool *edid_corrupt); bool drm_edid_is_valid(struct edid *edid); void drm_edid_get_monitor_name(const struct edid *edid, char *name, int buflen); struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, int hsize, int vsize, int fresh, bool rb); struct drm_display_mode * drm_display_mode_from_cea_vic(struct drm_device *dev, u8 video_code); /* Interface based on struct drm_edid */ const struct drm_edid *drm_edid_alloc(const void *edid, size_t size); const struct drm_edid *drm_edid_dup(const struct drm_edid *drm_edid); void drm_edid_free(const struct drm_edid *drm_edid); bool drm_edid_valid(const struct drm_edid *drm_edid); const struct edid *drm_edid_raw(const struct drm_edid *drm_edid); const struct drm_edid *drm_edid_read(struct drm_connector *connector); const struct drm_edid *drm_edid_read_ddc(struct drm_connector *connector, struct i2c_adapter *adapter); const struct drm_edid *drm_edid_read_custom(struct drm_connector *connector, int (*read_block)(void *context, u8 *buf, unsigned int block, size_t len), void *context); const struct drm_edid *drm_edid_read_base_block(struct i2c_adapter *adapter); const struct drm_edid *drm_edid_read_switcheroo(struct drm_connector *connector, struct i2c_adapter *adapter); int drm_edid_connector_update(struct drm_connector *connector, const struct drm_edid *edid); int drm_edid_connector_add_modes(struct drm_connector *connector); bool drm_edid_is_digital(const struct drm_edid *drm_edid); void drm_edid_get_product_id(const struct drm_edid *drm_edid, struct drm_edid_product_id *id); void drm_edid_print_product_id(struct drm_printer *p, const struct drm_edid_product_id *id, bool raw); u32 drm_edid_get_panel_id(const struct drm_edid *drm_edid); bool drm_edid_match(const struct drm_edid *drm_edid, const struct drm_edid_ident *ident); #endif /* __DRM_EDID_H__ */
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