1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 #ifndef __VAMEM_GLOBAL_H_INCLUDED__
17 #define __VAMEM_GLOBAL_H_INCLUDED__
19 #include <type_support.h>
21 #define IS_VAMEM_VERSION_2
23 /* (log) stepsize of linear interpolation */
24 #define VAMEM_INTERP_STEP_LOG2 4
25 #define VAMEM_INTERP_STEP BIT(VAMEM_INTERP_STEP_LOG2)
26 /* (physical) size of the tables */
27 #define VAMEM_TABLE_UNIT_SIZE ((1 << (ISP_VAMEM_ADDRESS_BITS - VAMEM_INTERP_STEP_LOG2)) + 1)
28 /* (logical) size of the tables */
29 #define VAMEM_TABLE_UNIT_STEP ((VAMEM_TABLE_UNIT_SIZE - 1) << 1)
30 /* Number of tables */
31 #define VAMEM_TABLE_UNIT_COUNT (ISP_VAMEM_DEPTH / VAMEM_TABLE_UNIT_STEP)
33 typedef u16 vamem_data_t;
35 #endif /* __VAMEM_GLOBAL_H_INCLUDED__ */