| /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #ifndef EDP_TX_H |
| #define EDP_TX_H |
| |
| #define DPTX_EDID_READ_RETRY_MAX 5 |
| |
| #define DPTX_AUX_CMD_WRITE 0x8 |
| #define DPTX_AUX_CMD_READ 0x9 |
| #define DPTX_AUX_CMD_I2C_WRITE 0x0 |
| #define DPTX_AUX_CMD_I2C_WRITE_MOT 0x4 |
| #define DPTX_AUX_CMD_I2C_READ 0x1 |
| #define DPTX_AUX_CMD_I2C_READ_MOT 0x5 |
| #define DPTX_AUX_CMD_I2C_WRITE_STATUS 0x2 |
| |
| #define DPTX_AUX_REPLY_CODE_ACK 0 |
| #define DPTX_AUX_REPLY_CODE_NACK BIT(0) |
| #define DPTX_AUX_REPLY_CODE_DEFER BIT(1) |
| #define DPTX_AUX_REPLY_CODE_I2C_NACK BIT(2) |
| #define DPTX_AUX_REPLY_CODE_I2C_DEFER BIT(3) |
| |
| struct dptx_aux_req_s { |
| unsigned int cmd_code; |
| unsigned int cmd_state; /* 0:write, 1:read */ |
| unsigned int address; |
| unsigned int byte_cnt; |
| unsigned char *data; |
| }; |
| |
| struct dptx_edid_timing_s { |
| unsigned int pclk; |
| unsigned short h_active; |
| unsigned short h_blank; |
| unsigned short v_active; |
| unsigned short v_blank; |
| unsigned short h_fp; |
| unsigned short h_pw; |
| unsigned short v_fp; |
| unsigned short v_pw; |
| unsigned int h_size; |
| unsigned int v_size; |
| unsigned short h_border; |
| unsigned short v_border; |
| unsigned int timing_ctrl; |
| }; |
| |
| struct dptx_edid_range_limit_s { |
| unsigned int min_vfreq; |
| unsigned int max_v_freq; |
| unsigned int min_hfreq; |
| unsigned int max_hfreq; |
| unsigned int max_pclk; |
| unsigned int GTF_ctrl; |
| unsigned int GTF_start_hfreq; |
| unsigned int GTF_C; |
| unsigned int GTF_M; |
| unsigned int GTF_K; |
| unsigned int GTF_J; |
| }; |
| |
| struct dptx_edid_s { |
| unsigned char manufacturer_id[4]; //[8:9]2byte |
| unsigned short product_id; //[10:11]2byte |
| unsigned int product_sn; //[12:15]4byte |
| unsigned char week; //[16]1byte |
| unsigned int year; //[17]1byte |
| unsigned short version; //[18:19]2byte |
| unsigned int established_timing; //[35:37]3byte |
| unsigned int standard_timing1; //[38:45]4byte |
| unsigned int standard_timing2; //[46:53]4byte |
| struct dptx_edid_timing_s preferred_timing; |
| unsigned int string_flag; //[2]serial_num, [1]asc_string, [0]name |
| unsigned char name[14]; //include "\0" |
| unsigned char serial_num[14]; |
| unsigned char asc_string[14]; |
| struct dptx_edid_range_limit_s range_limit; |
| unsigned char ext_flag; //[126]1byte |
| //[127]1byte, 256-(sum(byte0:126)%256) =? 0x100-(sum(byte0:126) & 0xff) |
| unsigned char checksum; |
| }; |
| |
| #endif |
