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 #include "system_local.h" 17 #include "isys_dma_global.h" 18 #include "assert_support.h" 19 #include "isys_dma_private.h" 20 21 const isys2401_dma_channel N_ISYS2401_DMA_CHANNEL_PROCS[N_ISYS2401_DMA_ID] = { 22 N_ISYS2401_DMA_CHANNEL 23 }; 24 isys2401_dma_set_max_burst_size(const isys2401_dma_ID_t dma_id,uint32_t max_burst_size)25void isys2401_dma_set_max_burst_size( 26 const isys2401_dma_ID_t dma_id, 27 uint32_t max_burst_size) 28 { 29 assert(dma_id < N_ISYS2401_DMA_ID); 30 assert((max_burst_size > 0x00) && (max_burst_size <= 0xFF)); 31 32 isys2401_dma_reg_store(dma_id, 33 DMA_DEV_INFO_REG_IDX(_DMA_V2_DEV_INTERF_MAX_BURST_IDX, HIVE_DMA_BUS_DDR_CONN), 34 (max_burst_size - 1)); 35 } 36