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 __IA_CSS_PRBS_H 17#define __IA_CSS_PRBS_H 18 19/* @file 20 * This file contains support for Pseudo Random Bit Sequence (PRBS) inputs 21 */ 22 23/* Enumerate the PRBS IDs. 24 */ 25enum ia_css_prbs_id { 26 IA_CSS_PRBS_ID0, 27 IA_CSS_PRBS_ID1, 28 IA_CSS_PRBS_ID2 29}; 30 31/** 32 * Maximum number of PRBS IDs. 33 * 34 * Make sure the value of this define gets changed to reflect the correct 35 * number of ia_css_prbs_id enum if you add/delete an item in the enum. 36 */ 37#define N_CSS_PRBS_IDS (IA_CSS_PRBS_ID2 + 1) 38 39/** 40 * PRBS configuration structure. 41 * 42 * Seed the for the Pseudo Random Bit Sequence. 43 * 44 * @deprecated{This interface is deprecated, it is not portable -> move to input system API} 45 */ 46struct ia_css_prbs_config { 47 enum ia_css_prbs_id id; 48 unsigned int h_blank; /** horizontal blank */ 49 unsigned int v_blank; /** vertical blank */ 50 int seed; /** random seed for the 1st 2-pixel-components/clock */ 51 int seed1; /** random seed for the 2nd 2-pixel-components/clock */ 52}; 53 54#endif /* __IA_CSS_PRBS_H */ 55