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