| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef __IA_CSS_INPUT_PORT_H |
| #define __IA_CSS_INPUT_PORT_H |
| |
| /** @file |
| * This file contains information about the possible input ports for CSS |
| */ |
| |
| /** Enumeration of the physical input ports on the CSS hardware. |
| * There are 3 MIPI CSI-2 ports. |
| */ |
| enum ia_css_csi2_port { |
| IA_CSS_CSI2_PORT0, /* Implicitly map to MIPI_PORT0_ID */ |
| IA_CSS_CSI2_PORT1, /* Implicitly map to MIPI_PORT1_ID */ |
| IA_CSS_CSI2_PORT2 /* Implicitly map to MIPI_PORT2_ID */ |
| }; |
| |
| /** Backward compatible for CSS API 2.0 only |
| * TO BE REMOVED when all drivers move to CSS API 2.1 |
| */ |
| #define IA_CSS_CSI2_PORT_4LANE IA_CSS_CSI2_PORT0 |
| #define IA_CSS_CSI2_PORT_1LANE IA_CSS_CSI2_PORT1 |
| #define IA_CSS_CSI2_PORT_2LANE IA_CSS_CSI2_PORT2 |
| |
| /** The CSI2 interface supports 2 types of compression or can |
| * be run without compression. |
| */ |
| enum ia_css_csi2_compression_type { |
| IA_CSS_CSI2_COMPRESSION_TYPE_NONE, /**< No compression */ |
| IA_CSS_CSI2_COMPRESSION_TYPE_1, /**< Compression scheme 1 */ |
| IA_CSS_CSI2_COMPRESSION_TYPE_2 /**< Compression scheme 2 */ |
| }; |
| |
| struct ia_css_csi2_compression { |
| enum ia_css_csi2_compression_type type; |
| /**< Compression used */ |
| unsigned int compressed_bits_per_pixel; |
| /**< Compressed bits per pixel (only when compression is enabled) */ |
| unsigned int uncompressed_bits_per_pixel; |
| /**< Uncompressed bits per pixel (only when compression is enabled) */ |
| }; |
| |
| /** Input port structure. |
| */ |
| struct ia_css_input_port { |
| enum ia_css_csi2_port port; /**< Physical CSI-2 port */ |
| unsigned int num_lanes; /**< Number of lanes used (4-lane port only) */ |
| unsigned int timeout; /**< Timeout value */ |
| unsigned int rxcount; /**< Register value, should include all lanes */ |
| struct ia_css_csi2_compression compression; /**< Compression used */ |
| }; |
| |
| #endif /* __IA_CSS_INPUT_PORT_H */ |
