1 /* 2 * dpcd.h 3 * 4 * Copyright (C)2015 : GreenSocs Ltd 5 * http://www.greensocs.com/ , email: info@greensocs.com 6 * 7 * Developed by : 8 * Frederic Konrad <fred.konrad@greensocs.com> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation, either version 2 of the License, or 13 * (at your option)any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, see <http://www.gnu.org/licenses/>. 22 * 23 */ 24 25 #ifndef DPCD_H 26 #define DPCD_H 27 28 typedef struct DPCDState DPCDState; 29 30 #define TYPE_DPCD "dpcd" 31 #define DPCD(obj) OBJECT_CHECK(DPCDState, (obj), TYPE_DPCD) 32 33 /* DCPD Revision. */ 34 #define DPCD_REVISION 0x00 35 #define DPCD_REV_1_0 0x10 36 #define DPCD_REV_1_1 0x11 37 38 /* DCPD Max Link Rate. */ 39 #define DPCD_MAX_LINK_RATE 0x01 40 #define DPCD_1_62GBPS 0x06 41 #define DPCD_2_7GBPS 0x0A 42 #define DPCD_5_4GBPS 0x14 43 44 #define DPCD_MAX_LANE_COUNT 0x02 45 #define DPCD_ONE_LANE 0x01 46 #define DPCD_TWO_LANES 0x02 47 #define DPCD_FOUR_LANES 0x04 48 49 /* DCPD Max down spread. */ 50 #define DPCD_UP_TO_0_5 0x01 51 #define DPCD_NO_AUX_HANDSHAKE_LINK_TRAINING 0x40 52 53 /* DCPD Downstream port type. */ 54 #define DPCD_DISPLAY_PORT 0x00 55 #define DPCD_ANALOG 0x02 56 #define DPCD_DVI_HDMI 0x04 57 #define DPCD_OTHER 0x06 58 59 /* DPCD Format conversion. */ 60 #define DPCD_FORMAT_CONVERSION 0x08 61 62 /* Main link channel coding. */ 63 #define DPCD_ANSI_8B_10B 0x01 64 65 /* Down stream port count. */ 66 #define DPCD_OUI_SUPPORTED 0x80 67 68 /* Receiver port capability. */ 69 #define DPCD_RECEIVE_PORT0_CAP_0 0x08 70 #define DPCD_RECEIVE_PORT0_CAP_1 0x09 71 #define DPCD_EDID_PRESENT 0x02 72 #define DPCD_ASSOCIATED_TO_PRECEDING_PORT 0x04 73 74 /* Down stream port capability. */ 75 #define DPCD_CAP_DISPLAY_PORT 0x000 76 #define DPCD_CAP_ANALOG_VGA 0x001 77 #define DPCD_CAP_DVI 0x002 78 #define DPCD_CAP_HDMI 0x003 79 #define DPCD_CAP_OTHER 0x100 80 81 #define DPCD_LANE0_1_STATUS 0x202 82 #define DPCD_LANE0_CR_DONE (1 << 0) 83 #define DPCD_LANE0_CHANNEL_EQ_DONE (1 << 1) 84 #define DPCD_LANE0_SYMBOL_LOCKED (1 << 2) 85 #define DPCD_LANE1_CR_DONE (1 << 4) 86 #define DPCD_LANE1_CHANNEL_EQ_DONE (1 << 5) 87 #define DPCD_LANE1_SYMBOL_LOCKED (1 << 6) 88 89 #define DPCD_LANE2_3_STATUS 0x203 90 #define DPCD_LANE2_CR_DONE (1 << 0) 91 #define DPCD_LANE2_CHANNEL_EQ_DONE (1 << 1) 92 #define DPCD_LANE2_SYMBOL_LOCKED (1 << 2) 93 #define DPCD_LANE3_CR_DONE (1 << 4) 94 #define DPCD_LANE3_CHANNEL_EQ_DONE (1 << 5) 95 #define DPCD_LANE3_SYMBOL_LOCKED (1 << 6) 96 97 #define DPCD_LANE_ALIGN_STATUS_UPDATED 0x204 98 #define DPCD_INTERLANE_ALIGN_DONE 0x01 99 #define DPCD_DOWNSTREAM_PORT_STATUS_CHANGED 0x40 100 #define DPCD_LINK_STATUS_UPDATED 0x80 101 102 #define DPCD_SINK_STATUS 0x205 103 #define DPCD_RECEIVE_PORT_0_STATUS 0x01 104 105 #endif /* DPCD_H */ 106