1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 /* For MIPI_PORT0_ID to MIPI_PORT2_ID */ 17 #include "system_global.h" 18 19 #ifndef __IA_CSS_INPUT_PORT_H 20 #define __IA_CSS_INPUT_PORT_H 21 22 /* @file 23 * This file contains information about the possible input ports for CSS 24 */ 25 26 /* Backward compatible for CSS API 2.0 only 27 * TO BE REMOVED when all drivers move to CSS API 2.1 28 */ 29 #define IA_CSS_CSI2_PORT_4LANE MIPI_PORT0_ID 30 #define IA_CSS_CSI2_PORT_1LANE MIPI_PORT1_ID 31 #define IA_CSS_CSI2_PORT_2LANE MIPI_PORT2_ID 32 33 /* The CSI2 interface supports 2 types of compression or can 34 * be run without compression. 35 */ 36 enum ia_css_csi2_compression_type { 37 IA_CSS_CSI2_COMPRESSION_TYPE_NONE, /** No compression */ 38 IA_CSS_CSI2_COMPRESSION_TYPE_1, /** Compression scheme 1 */ 39 IA_CSS_CSI2_COMPRESSION_TYPE_2 /** Compression scheme 2 */ 40 }; 41 42 struct ia_css_csi2_compression { 43 enum ia_css_csi2_compression_type type; 44 /** Compression used */ 45 unsigned int compressed_bits_per_pixel; 46 /** Compressed bits per pixel (only when compression is enabled) */ 47 unsigned int uncompressed_bits_per_pixel; 48 /** Uncompressed bits per pixel (only when compression is enabled) */ 49 }; 50 51 /* Input port structure. 52 */ 53 struct ia_css_input_port { 54 enum mipi_port_id port; /** Physical CSI-2 port */ 55 unsigned int num_lanes; /** Number of lanes used (4-lane port only) */ 56 unsigned int timeout; /** Timeout value */ 57 unsigned int rxcount; /** Register value, should include all lanes */ 58 struct ia_css_csi2_compression compression; /** Compression used */ 59 }; 60 61 #endif /* __IA_CSS_INPUT_PORT_H */ 62