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 #ifndef __VAMEM_GLOBAL_H_INCLUDED__
16 #define __VAMEM_GLOBAL_H_INCLUDED__
18 #include <type_support.h>
20 #define IS_VAMEM_VERSION_2
22 /* (log) stepsize of linear interpolation */
23 #define VAMEM_INTERP_STEP_LOG2 4
24 #define VAMEM_INTERP_STEP (1<<VAMEM_INTERP_STEP_LOG2)
25 /* (physical) size of the tables */
26 #define VAMEM_TABLE_UNIT_SIZE ((1<<(ISP_VAMEM_ADDRESS_BITS-VAMEM_INTERP_STEP_LOG2)) + 1)
27 /* (logical) size of the tables */
28 #define VAMEM_TABLE_UNIT_STEP ((VAMEM_TABLE_UNIT_SIZE-1)<<1)
29 /* Number of tables */
30 #define VAMEM_TABLE_UNIT_COUNT (ISP_VAMEM_DEPTH/VAMEM_TABLE_UNIT_STEP)
32 typedef uint16_t vamem_data_t;
34 #endif /* __VAMEM_GLOBAL_H_INCLUDED__ */