include/drm/drm_dp_helper.h

43  * MST: Multistream Transport - part of DP 1.2a
54 /* bits per component for non-RAW */
181 # define DP_MAX_SUPPORTED_RATES		     8	    /* 16-bit little-endian */
372  * 0x80-0x8f describe downstream port capabilities, but there are two layouts
375  * four bytes wide, starting with the one byte from the base info.  As of
450 /* DPCD 1.1 only. For DPCD >= 1.2 see per-lane DP_LINK_QUAL_LANEn_SET */
885 /* 0-5 sink count */
1061 /* Link Training (LT)-tunable PHY Repeaters */
1117 /* peer device type - DP 1.2a Table 2-92 */
1124 /* DP 1.2 MST sideband request names DP 1.2a Table 2-80 */
1149 /* DP 1.2 MST sideband nak reasons - table 2.84 */
1166 /* DP 1.2 MST PORTs - Section 2.5.1 v1.2a spec */
1177 				     int lane);
1179 					  int lane);
1181 					 unsigned int lane);
1201 #define DP_SDP_CAMERA_GENERIC(i)	(0x08 + (i)) /* 0-7, DP 1.3 */
1205 /* 0x80+ CEA-861 infoframe types */
1208  * struct dp_sdp_header - DP secondary data packet header
1226  * struct dp_sdp - DP secondary data packet
1231  * db[1]: 0 - PSR State; 1 - Update RFB; 2 - CRC Valid
1238  * db[8] - db[31]: Reserved
1240  * db[0] - db[15]: Reserved
1244  * db[19] - db[31]: Reserved
1256  * enum dp_pixelformat - drm DP Pixel encoding formats
1259  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1281  * enum dp_colorimetry - drm DP Colorimetry formats
1284  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1287  * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
1288  *                          ITU-R BT.601 colorimetry format
1290  * @DP_COLORIMETRY_BT709_YCC: ITU-R BT.709 colorimetry format
1292  *                                 (scRGB (IEC 61966-2-2)) colorimetry format
1296  * @DP_COLORIMETRY_DCI_P3_RGB: DCI-P3 (SMPTE RP 431-2) colorimetry format
1300  * @DP_COLORIMETRY_BT2020_RGB: ITU-R BT.2020 R' G' B' colorimetry format
1301  * @DP_COLORIMETRY_BT2020_CYCC: ITU-R BT.2020 Y'c C'bc C'rc colorimetry format
1302  * @DP_COLORIMETRY_BT2020_YCC: ITU-R BT.2020 Y' C'b C'r colorimetry format
1322  * enum dp_dynamic_range - drm DP Dynamic Range
1325  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1337  * enum dp_content_type - drm DP Content Type
1340  * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
1342  * CTA-861-G defines content types and expected processing by a sink device
1359  * struct drm_dp_vsc_sdp - drm DP VSC SDP
1362  * It is based on DP 1.4 spec [Table 2-116: VSC SDP Header Bytes] and
1363  * [Table 2-117: VSC SDP Payload for DB16 through DB18]
1365  * @sdp_type: secondary-data packet type
1372  * @content_type: CTA-861-G defines content types and expected processing by a sink device
1453 	return dsc_dpcd[DP_DSC_SUPPORT - DP_DSC_SUPPORT] &  in drm_dp_sink_supports_dsc()
1460 	return dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_LOW - DP_DSC_SUPPORT] |  in drm_edp_dsc_sink_output_bpp()
1461 		(dsc_dpcd[DP_DSC_MAX_BITS_PER_PIXEL_HI - DP_DSC_SUPPORT] &  in drm_edp_dsc_sink_output_bpp()
1470 	return dsc_dpcd[DP_DSC_MAX_SLICE_WIDTH - DP_DSC_SUPPORT] *  in drm_dp_dsc_sink_max_slice_width()
1507  * struct drm_dp_aux_msg - DisplayPort AUX channel transaction
1527  * struct drm_dp_aux_cec - DisplayPort CEC-Tunneling-over-AUX
1529  * @adap: the CEC adapter for CEC-Tunneling-over-AUX support.
1541  * struct drm_dp_aux - DisplayPort AUX channel
1542  * @name: user-visible name of this AUX channel and the I2C-over-AUX adapter
1543  * @ddc: I2C adapter that can be used for I2C-over-AUX communication
1557  * Drivers provide a hardware-specific implementation of how transactions
1561  * that were transferred, or a negative error-code on failure. Helpers
1563  * the -EBUSY error, which causes a transaction to be retried. On a short,
1564  * helpers will return -EPROTO to make it simpler to check for failure.
1599 	 * @cec: struct containing fields used for CEC-Tunneling-over-AUX.
1614  * drm_dp_dpcd_readb() - read a single byte from the DPCD
1629  * drm_dp_dpcd_writeb() - write a single byte to the DPCD
1715  * struct drm_dp_desc - DP branch/sink device descriptor
1729  * enum drm_dp_quirk - Display Port sink/branch device specific quirks
1755 	 * The device does not set SINK_COUNT to a non-zero value.
1787  * drm_dp_has_quirk() - does the DP device have a specific quirk
1798 	return (desc->quirks | edid_quirks) & BIT(quirk);  in drm_dp_has_quirk()
1835  * struct drm_dp_phy_test_params - DP Phy Compliance parameters