1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 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. 9 * 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 13 * more details. 14 */ 15 16 #ifndef __VAMEM_GLOBAL_H_INCLUDED__ 17 #define __VAMEM_GLOBAL_H_INCLUDED__ 18 19 #include <type_support.h> 20 21 #define IS_VAMEM_VERSION_2 22 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) 32 33 typedef u16 vamem_data_t; 34 35 #endif /* __VAMEM_GLOBAL_H_INCLUDED__ */ 36