drm_scdc.h (2950B)
1/* 2 * Copyright (c) 2015 NVIDIA Corporation. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sub license, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the 12 * next paragraph) shall be included in all copies or substantial portions 13 * of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24#ifndef DRM_SCDC_H 25#define DRM_SCDC_H 26 27#define SCDC_SINK_VERSION 0x01 28 29#define SCDC_SOURCE_VERSION 0x02 30 31#define SCDC_UPDATE_0 0x10 32#define SCDC_READ_REQUEST_TEST (1 << 2) 33#define SCDC_CED_UPDATE (1 << 1) 34#define SCDC_STATUS_UPDATE (1 << 0) 35 36#define SCDC_UPDATE_1 0x11 37 38#define SCDC_TMDS_CONFIG 0x20 39#define SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 (1 << 1) 40#define SCDC_TMDS_BIT_CLOCK_RATIO_BY_10 (0 << 1) 41#define SCDC_SCRAMBLING_ENABLE (1 << 0) 42 43#define SCDC_SCRAMBLER_STATUS 0x21 44#define SCDC_SCRAMBLING_STATUS (1 << 0) 45 46#define SCDC_CONFIG_0 0x30 47#define SCDC_READ_REQUEST_ENABLE (1 << 0) 48 49#define SCDC_STATUS_FLAGS_0 0x40 50#define SCDC_CH2_LOCK (1 << 3) 51#define SCDC_CH1_LOCK (1 << 2) 52#define SCDC_CH0_LOCK (1 << 1) 53#define SCDC_CH_LOCK_MASK (SCDC_CH2_LOCK | SCDC_CH1_LOCK | SCDC_CH0_LOCK) 54#define SCDC_CLOCK_DETECT (1 << 0) 55 56#define SCDC_STATUS_FLAGS_1 0x41 57 58#define SCDC_ERR_DET_0_L 0x50 59#define SCDC_ERR_DET_0_H 0x51 60#define SCDC_ERR_DET_1_L 0x52 61#define SCDC_ERR_DET_1_H 0x53 62#define SCDC_ERR_DET_2_L 0x54 63#define SCDC_ERR_DET_2_H 0x55 64#define SCDC_CHANNEL_VALID (1 << 7) 65 66#define SCDC_ERR_DET_CHECKSUM 0x56 67 68#define SCDC_TEST_CONFIG_0 0xc0 69#define SCDC_TEST_READ_REQUEST (1 << 7) 70#define SCDC_TEST_READ_REQUEST_DELAY(x) ((x) & 0x7f) 71 72#define SCDC_MANUFACTURER_IEEE_OUI 0xd0 73#define SCDC_MANUFACTURER_IEEE_OUI_SIZE 3 74 75#define SCDC_DEVICE_ID 0xd3 76#define SCDC_DEVICE_ID_SIZE 8 77 78#define SCDC_DEVICE_HARDWARE_REVISION 0xdb 79#define SCDC_GET_DEVICE_HARDWARE_REVISION_MAJOR(x) (((x) >> 4) & 0xf) 80#define SCDC_GET_DEVICE_HARDWARE_REVISION_MINOR(x) (((x) >> 0) & 0xf) 81 82#define SCDC_DEVICE_SOFTWARE_MAJOR_REVISION 0xdc 83#define SCDC_DEVICE_SOFTWARE_MINOR_REVISION 0xdd 84 85#define SCDC_MANUFACTURER_SPECIFIC 0xde 86#define SCDC_MANUFACTURER_SPECIFIC_SIZE 34 87 88#endif