140 linhas
7.3 KiB
C
140 linhas
7.3 KiB
C
/*******************************************************************************
|
|
* DISCLAIMER
|
|
* This software is supplied by Renesas Electronics Corporation and is only
|
|
* intended for use with Renesas products. No other uses are authorized. This
|
|
* software is owned by Renesas Electronics Corporation and is protected under
|
|
* all applicable laws, including copyright laws.
|
|
* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
|
|
* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
|
|
* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
|
|
* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
|
|
* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
|
|
* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
|
|
* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
|
|
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
|
|
* Renesas reserves the right, without notice, to make changes to this software
|
|
* and to discontinue the availability of this software. By using this software,
|
|
* you agree to the additional terms and conditions found by accessing the
|
|
* following link:
|
|
* http://www.renesas.com/disclaimer
|
|
* Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
|
|
*******************************************************************************/
|
|
/*******************************************************************************
|
|
* File Name : usb0_host_dmacdrv.h
|
|
* $Rev: 1116 $
|
|
* $Date:: 2014-07-09 16:29:19 +0900#$
|
|
* Description : RZ/A1H R7S72100 USB Sample Program
|
|
*******************************************************************************/
|
|
#ifndef USB0_HOST_DMACDRV_H
|
|
#define USB0_HOST_DMACDRV_H
|
|
|
|
|
|
/*******************************************************************************
|
|
Includes <System Includes> , "Project Includes"
|
|
*******************************************************************************/
|
|
|
|
|
|
/*******************************************************************************
|
|
Typedef definitions
|
|
*******************************************************************************/
|
|
typedef struct dmac_transinfo
|
|
{
|
|
uint32_t src_addr; /* Transfer source address */
|
|
uint32_t dst_addr; /* Transfer destination address */
|
|
uint32_t count; /* Transfer byte count */
|
|
uint32_t src_size; /* Transfer source data size */
|
|
uint32_t dst_size; /* Transfer destination data size */
|
|
uint32_t saddr_dir; /* Transfer source address direction */
|
|
uint32_t daddr_dir; /* Transfer destination address direction */
|
|
} dmac_transinfo_t;
|
|
|
|
|
|
/*******************************************************************************
|
|
Macro definitions
|
|
*******************************************************************************/
|
|
/* ==== Transfer specification of the sample program ==== */
|
|
#define DMAC_SAMPLE_SINGLE (0) /* Single transfer */
|
|
#define DMAC_SAMPLE_CONTINUATION (1) /* Continuous transfer (use REN bit) */
|
|
|
|
/* ==== DMA modes ==== */
|
|
#define DMAC_MODE_REGISTER (0) /* Register mode */
|
|
#define DMAC_MODE_LINK (1) /* Link mode */
|
|
|
|
/* ==== Transfer requests ==== */
|
|
#define DMAC_REQ_MODE_EXT (0) /* External request */
|
|
#define DMAC_REQ_MODE_PERI (1) /* On-chip peripheral module request */
|
|
#define DMAC_REQ_MODE_SOFT (2) /* Auto-request (request by software) */
|
|
|
|
/* ==== DMAC transfer sizes ==== */
|
|
#define DMAC_TRANS_SIZE_8 (0) /* 8 bits */
|
|
#define DMAC_TRANS_SIZE_16 (1) /* 16 bits */
|
|
#define DMAC_TRANS_SIZE_32 (2) /* 32 bits */
|
|
#define DMAC_TRANS_SIZE_64 (3) /* 64 bits */
|
|
#define DMAC_TRANS_SIZE_128 (4) /* 128 bits */
|
|
#define DMAC_TRANS_SIZE_256 (5) /* 256 bits */
|
|
#define DMAC_TRANS_SIZE_512 (6) /* 512 bits */
|
|
#define DMAC_TRANS_SIZE_1024 (7) /* 1024 bits */
|
|
|
|
/* ==== Address increment for transferring ==== */
|
|
#define DMAC_TRANS_ADR_NO_INC (1) /* Not increment */
|
|
#define DMAC_TRANS_ADR_INC (0) /* Increment */
|
|
|
|
/* ==== Method for detecting DMA request ==== */
|
|
#define DMAC_REQ_DET_FALL (0) /* Falling edge detection */
|
|
#define DMAC_REQ_DET_RISE (1) /* Rising edge detection */
|
|
#define DMAC_REQ_DET_LOW (2) /* Low level detection */
|
|
#define DMAC_REQ_DET_HIGH (3) /* High level detection */
|
|
|
|
/* ==== Request Direction ==== */
|
|
#define DMAC_REQ_DIR_SRC (0) /* DMAREQ is the source/ DMAACK is active when reading */
|
|
#define DMAC_REQ_DIR_DST (1) /* DMAREQ is the destination/ DMAACK is active when writing */
|
|
|
|
/* ==== Descriptors ==== */
|
|
#define DMAC_DESC_HEADER (0) /* Header */
|
|
#define DMAC_DESC_SRC_ADDR (1) /* Source Address */
|
|
#define DMAC_DESC_DST_ADDR (2) /* Destination Address */
|
|
#define DMAC_DESC_COUNT (3) /* Transaction Byte */
|
|
#define DMAC_DESC_CHCFG (4) /* Channel Confg */
|
|
#define DMAC_DESC_CHITVL (5) /* Channel Interval */
|
|
#define DMAC_DESC_CHEXT (6) /* Channel Extension */
|
|
#define DMAC_DESC_LINK_ADDR (7) /* Link Address */
|
|
|
|
/* ==== On-chip peripheral module requests ===== */
|
|
typedef enum dmac_request_factor
|
|
{
|
|
DMAC_REQ_USB0_DMA0_TX, /* USB_0 channel 0 transmit FIFO empty */
|
|
DMAC_REQ_USB0_DMA0_RX, /* USB_0 channel 0 receive FIFO full */
|
|
DMAC_REQ_USB0_DMA1_TX, /* USB_0 channel 1 transmit FIFO empty */
|
|
DMAC_REQ_USB0_DMA1_RX, /* USB_0 channel 1 receive FIFO full */
|
|
DMAC_REQ_USB1_DMA0_TX, /* USB_1 channel 0 transmit FIFO empty */
|
|
DMAC_REQ_USB1_DMA0_RX, /* USB_1 channel 0 receive FIFO full */
|
|
DMAC_REQ_USB1_DMA1_TX, /* USB_1 channel 1 transmit FIFO empty */
|
|
DMAC_REQ_USB1_DMA1_RX, /* USB_1 channel 1 receive FIFO full */
|
|
} dmac_request_factor_t;
|
|
|
|
|
|
/*******************************************************************************
|
|
Variable Externs
|
|
*******************************************************************************/
|
|
|
|
|
|
/*******************************************************************************
|
|
Functions Prototypes
|
|
*******************************************************************************/
|
|
void usb0_host_DMAC1_PeriReqInit(const dmac_transinfo_t * trans_info, uint32_t dmamode, uint32_t continuation,
|
|
uint32_t request_factor, uint32_t req_direction);
|
|
int32_t usb0_host_DMAC1_Open(uint32_t req);
|
|
void usb0_host_DMAC1_Close(uint32_t * remain);
|
|
void usb0_host_DMAC1_Load_Set(uint32_t src_addr, uint32_t dst_addr, uint32_t count);
|
|
|
|
void usb0_host_DMAC2_PeriReqInit(const dmac_transinfo_t * trans_info, uint32_t dmamode, uint32_t continuation,
|
|
uint32_t request_factor, uint32_t req_direction);
|
|
int32_t usb0_host_DMAC2_Open(uint32_t req);
|
|
void usb0_host_DMAC2_Close(uint32_t * remain);
|
|
void usb0_host_DMAC2_Load_Set(uint32_t src_addr, uint32_t dst_addr, uint32_t count);
|
|
|
|
#endif /* USB0_HOST_DMACDRV_H */
|
|
|
|
/* End of File */
|