projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a49d2536 AC |
1 | /* |
| 2 | * Support for Intel Camera Imaging ISP subsystem. | |
| 3 | * Copyright (c) 2015, Intel Corporation. | |
| 4 | * | |
| 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. | |
| 8 | * | |
| 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 | |
| 12 | * more details. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef __IA_CSS_INPUT_PORT_H | |
| 16 | #define __IA_CSS_INPUT_PORT_H | |
| 17 | ||
| d929fb4e | 18 | /* @file |
| a49d2536 AC |
19 | * This file contains information about the possible input ports for CSS |
| 20 | */ | |
| 21 | ||
| d929fb4e | 22 | /* Enumeration of the physical input ports on the CSS hardware. |
| a49d2536 AC |
23 | * There are 3 MIPI CSI-2 ports. |
| 24 | */ | |
| 25 | enum ia_css_csi2_port { | |
| 26 | IA_CSS_CSI2_PORT0, /* Implicitly map to MIPI_PORT0_ID */ | |
| 27 | IA_CSS_CSI2_PORT1, /* Implicitly map to MIPI_PORT1_ID */ | |
| 28 | IA_CSS_CSI2_PORT2 /* Implicitly map to MIPI_PORT2_ID */ | |
| 29 | }; | |
| 30 | ||
| d929fb4e | 31 | /* Backward compatible for CSS API 2.0 only |
| a49d2536 AC |
32 | * TO BE REMOVED when all drivers move to CSS API 2.1 |
| 33 | */ | |
| 34 | #define IA_CSS_CSI2_PORT_4LANE IA_CSS_CSI2_PORT0 | |
| 35 | #define IA_CSS_CSI2_PORT_1LANE IA_CSS_CSI2_PORT1 | |
| 36 | #define IA_CSS_CSI2_PORT_2LANE IA_CSS_CSI2_PORT2 | |
| 37 | ||
| d929fb4e | 38 | /* The CSI2 interface supports 2 types of compression or can |
| a49d2536 AC |
39 | * be run without compression. |
| 40 | */ | |
| 41 | enum ia_css_csi2_compression_type { | |
| d929fb4e MCC |
42 | IA_CSS_CSI2_COMPRESSION_TYPE_NONE, /** No compression */ |
| 43 | IA_CSS_CSI2_COMPRESSION_TYPE_1, /** Compression scheme 1 */ | |
| 44 | IA_CSS_CSI2_COMPRESSION_TYPE_2 /** Compression scheme 2 */ | |
| a49d2536 AC |
45 | }; |
| 46 | ||
| 47 | struct ia_css_csi2_compression { | |
| 48 | enum ia_css_csi2_compression_type type; | |
| d929fb4e | 49 | /** Compression used */ |
| a49d2536 | 50 | unsigned int compressed_bits_per_pixel; |
| d929fb4e | 51 | /** Compressed bits per pixel (only when compression is enabled) */ |
| a49d2536 | 52 | unsigned int uncompressed_bits_per_pixel; |
| d929fb4e | 53 | /** Uncompressed bits per pixel (only when compression is enabled) */ |
| a49d2536 AC |
54 | }; |
| 55 | ||
| d929fb4e | 56 | /* Input port structure. |
| a49d2536 AC |
57 | */ |
| 58 | struct ia_css_input_port { | |
| d929fb4e MCC |
59 | enum ia_css_csi2_port port; /** Physical CSI-2 port */ |
| 60 | unsigned int num_lanes; /** Number of lanes used (4-lane port only) */ | |
| 61 | unsigned int timeout; /** Timeout value */ | |
| 62 | unsigned int rxcount; /** Register value, should include all lanes */ | |
| 63 | struct ia_css_csi2_compression compression; /** Compression used */ | |
| a49d2536 AC |
64 | }; |
| 65 | ||
| 66 | #endif /* __IA_CSS_INPUT_PORT_H */ |