| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef __DMA_PUBLIC_H_INCLUDED__ |
| #define __DMA_PUBLIC_H_INCLUDED__ |
| |
| #include "system_types.h" |
| |
| typedef struct dma_state_s dma_state_t; |
| |
| /*! Read the control registers of DMA[ID] |
| |
| \param ID[in] DMA identifier |
| \param state[out] input formatter state structure |
| |
| \return none, state = DMA[ID].state |
| */ |
| void dma_get_state( |
| const dma_ID_t ID, |
| dma_state_t *state); |
| |
| /*! Write to a control register of DMA[ID] |
| |
| \param ID[in] DMA identifier |
| \param reg[in] register index |
| \param value[in] The data to be written |
| |
| \return none, DMA[ID].ctrl[reg] = value |
| */ |
| STORAGE_CLASS_DMA_H void dma_reg_store( |
| const dma_ID_t ID, |
| const unsigned int reg, |
| const hrt_data value); |
| |
| /*! Read from a control register of DMA[ID] |
| |
| \param ID[in] DMA identifier |
| \param reg[in] register index |
| \param value[in] The data to be written |
| |
| \return DMA[ID].ctrl[reg] |
| */ |
| STORAGE_CLASS_DMA_H hrt_data dma_reg_load( |
| const dma_ID_t ID, |
| const unsigned int reg); |
| |
| /*! Set maximum burst size of DMA[ID] |
| |
| \param ID[in] DMA identifier |
| \param conn[in] Connection to set max burst size for |
| \param max_burst_size[in] Maximum burst size in words |
| |
| \return none |
| */ |
| void |
| dma_set_max_burst_size( |
| dma_ID_t ID, |
| dma_connection conn, |
| uint32_t max_burst_size); |
| |
| #endif /* __DMA_PUBLIC_H_INCLUDED__ */ |
