1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  */
6 
7 #ifndef __VAMEM_GLOBAL_H_INCLUDED__
8 #define __VAMEM_GLOBAL_H_INCLUDED__
9 
10 #include <type_support.h>
11 
12 #define IS_VAMEM_VERSION_2
13 
14 /* (log) stepsize of linear interpolation */
15 #define VAMEM_INTERP_STEP_LOG2	4
16 #define VAMEM_INTERP_STEP		BIT(VAMEM_INTERP_STEP_LOG2)
17 /* (physical) size of the tables */
18 #define VAMEM_TABLE_UNIT_SIZE	((1 << (ISP_VAMEM_ADDRESS_BITS - VAMEM_INTERP_STEP_LOG2)) + 1)
19 /* (logical) size of the tables */
20 #define VAMEM_TABLE_UNIT_STEP	((VAMEM_TABLE_UNIT_SIZE - 1) << 1)
21 /* Number of tables */
22 #define VAMEM_TABLE_UNIT_COUNT	(ISP_VAMEM_DEPTH / VAMEM_TABLE_UNIT_STEP)
23 
24 typedef u16				vamem_data_t;
25 
26 #endif /* __VAMEM_GLOBAL_H_INCLUDED__ */
27