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 #include "system_local.h" 8 #include "isys_dma_global.h" 9 #include "assert_support.h" 10 #include "isys_dma_private.h" 11 12 const isys2401_dma_channel N_ISYS2401_DMA_CHANNEL_PROCS[N_ISYS2401_DMA_ID] = { 13 N_ISYS2401_DMA_CHANNEL 14 }; 15 isys2401_dma_set_max_burst_size(const isys2401_dma_ID_t dma_id,uint32_t max_burst_size)16void isys2401_dma_set_max_burst_size( 17 const isys2401_dma_ID_t dma_id, 18 uint32_t max_burst_size) 19 { 20 assert(dma_id < N_ISYS2401_DMA_ID); 21 assert((max_burst_size > 0x00) && (max_burst_size <= 0xFF)); 22 23 isys2401_dma_reg_store(dma_id, 24 DMA_DEV_INFO_REG_IDX(_DMA_V2_DEV_INTERF_MAX_BURST_IDX, HIVE_DMA_BUS_DDR_CONN), 25 (max_burst_size - 1)); 26 } 27