diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/ia_css_input_port.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/ia_css_input_port.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/ia_css_input_port.h b/drivers/staging/media/atomisp/pci/ia_css_input_port.h new file mode 100644 index 000000000000..ad9ca5449369 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/ia_css_input_port.h @@ -0,0 +1,60 @@ +/* + * 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. + */ + +/* For MIPI_PORT0_ID to MIPI_PORT2_ID */ +#include "system_global.h" + +#ifndef __IA_CSS_INPUT_PORT_H +#define __IA_CSS_INPUT_PORT_H + +/* @file + * This file contains information about the possible input ports for CSS + */ + +/* 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 MIPI_PORT0_ID +#define IA_CSS_CSI2_PORT_1LANE MIPI_PORT1_ID +#define IA_CSS_CSI2_PORT_2LANE MIPI_PORT2_ID + +/* 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 mipi_port_id 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 */ |