1 /* 2 * Support for Intel Camera Imaging ISP subsystem. 3 * Copyright (c) 2015, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 */ 14 15 #include "isys_dma.h" 16 #include "assert_support.h" 17 18 #ifndef __INLINE_ISYS2401_DMA__ 19 /* 20 * Include definitions for isys dma register access functions. isys_dma.h 21 * includes declarations of these functions by including isys_dma_public.h. 22 */ 23 #include "isys_dma_private.h" 24 #endif 25 26 const isys2401_dma_channel N_ISYS2401_DMA_CHANNEL_PROCS[N_ISYS2401_DMA_ID] = { 27 N_ISYS2401_DMA_CHANNEL 28 }; 29 30 void isys2401_dma_set_max_burst_size( 31 const isys2401_dma_ID_t dma_id, 32 uint32_t max_burst_size) 33 { 34 assert(dma_id < N_ISYS2401_DMA_ID); 35 assert((max_burst_size > 0x00) && (max_burst_size <= 0xFF)); 36 37 isys2401_dma_reg_store(dma_id, 38 DMA_DEV_INFO_REG_IDX(_DMA_V2_DEV_INTERF_MAX_BURST_IDX, HIVE_DMA_BUS_DDR_CONN), 39 (max_burst_size - 1)); 40 } 41