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SCSI2SD/software/SCSI2SD/SCSI2SD.cydsn/Generated_Source/PSoC5/CyDmac.h

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/*******************************************************************************
* File Name: CyDmac.h
* Version 3.40
*
* Description:
* Provides the function definitions for the DMA Controller.
*
* Note:
* Documentation of the API's in this file is located in the
* System Reference Guide provided with PSoC Creator.
*
********************************************************************************
* Copyright 2008-2013, Cypress Semiconductor Corporation. All rights reserved.
* You may use this file only in accordance with the license, terms, conditions,
* disclaimers, and limitations in the end user license agreement accompanying
* the software package with which this file was provided.
*******************************************************************************/
#if !defined(CY_BOOT_CYDMAC_H)
#define CY_BOOT_CYDMAC_H
#include "cytypes.h"
#include "cyfitter.h"
#include "cydevice_trm.h"
#include "CyLib.h"
/***************************************
* Function Prototypes
***************************************/
/* DMA Controller functions. */
void CyDmacConfigure(void) ;
uint8 CyDmacError(void) ;
void CyDmacClearError(uint8 error) ;
uint32 CyDmacErrorAddress(void) ;
/* Channel specific functions. */
uint8 CyDmaChAlloc(void) ;
cystatus CyDmaChFree(uint8 chHandle) ;
cystatus CyDmaChEnable(uint8 chHandle, uint8 preserveTds) ;
cystatus CyDmaChDisable(uint8 chHandle) ;
cystatus CyDmaClearPendingDrq(uint8 chHandle) ;
cystatus CyDmaChPriority(uint8 chHandle, uint8 priority) ;
cystatus CyDmaChSetExtendedAddress(uint8 chHandle, uint16 source, uint16 destination);
cystatus CyDmaChSetInitialTd(uint8 chHandle, uint8 startTd) ;
cystatus CyDmaChSetRequest(uint8 chHandle, uint8 request) ;
cystatus CyDmaChGetRequest(uint8 chHandle) ;
cystatus CyDmaChStatus(uint8 chHandle, uint8 * currentTd, uint8 * state) ;
cystatus CyDmaChSetConfiguration(uint8 chHandle, uint8 burstCount, uint8 requestPerBurst, uint8 tdDone0, uint8 tdDone1, uint8 tdStop) ;
cystatus CyDmaChRoundRobin(uint8 chHandle, uint8 enableRR) ;
/* Transfer Descriptor functions. */
uint8 CyDmaTdAllocate(void) ;
void CyDmaTdFree(uint8 tdHandle) ;
uint8 CyDmaTdFreeCount(void) ;
cystatus CyDmaTdSetConfiguration(uint8 tdHandle, uint16 transferCount, uint8 nextTd, uint8 configuration) ;
cystatus CyDmaTdGetConfiguration(uint8 tdHandle, uint16 * transferCount, uint8 * nextTd, uint8 * configuration) ;
cystatus CyDmaTdSetAddress(uint8 tdHandle, uint16 source, uint16 destination) ;
cystatus CyDmaTdGetAddress(uint8 tdHandle, uint16 * source, uint16 * destination) ;
/***************************************
* Data Struct Definitions
***************************************/
typedef struct dmac_ch_struct
{
volatile uint8 basic_cfg[4];
volatile uint8 action[4];
volatile uint8 basic_status[4];
volatile uint8 reserved[4];
} dmac_ch;
typedef struct dmac_cfgmem_struct
{
volatile uint8 CFG0[4];
volatile uint8 CFG1[4];
} dmac_cfgmem;
typedef struct dmac_tdmem_struct
{
volatile uint8 TD0[4];
volatile uint8 TD1[4];
} dmac_tdmem;
typedef struct dmac_tdmem2_struct
{
volatile uint16 xfercnt;
volatile uint8 next_td_ptr;
volatile uint8 flags;
volatile uint16 src_adr;
volatile uint16 dst_adr;
} dmac_tdmem2;
/***************************************
* API Constants
***************************************/
#define CY_DMA_INVALID_CHANNEL 0xFFu /* Invalid Channel ID */
#define CY_DMA_INVALID_TD 0xFFu /* Invalid TD */
#define CY_DMA_END_CHAIN_TD 0xFFu /* End of chain TD */
#if(CY_PSOC3 || CY_PSOC5LP)
#define CY_DMA_DISABLE_TD 0xFEu
#endif /* (CY_PSOC3 || CY_PSOC5LP) */
#define CY_DMA_TD_SIZE 0x08u
/* The "u" was removed as workaround for Keil compiler bug */
#define CY_DMA_TD_SWAP_EN 0x80
#define CY_DMA_TD_SWAP_SIZE4 0x40
#define CY_DMA_TD_AUTO_EXEC_NEXT 0x20
#define CY_DMA_TD_TERMIN_EN 0x10
#define CY_DMA_TD_TERMOUT1_EN 0x08
#define CY_DMA_TD_TERMOUT0_EN 0x04
#define CY_DMA_TD_INC_DST_ADR 0x02
#define CY_DMA_TD_INC_SRC_ADR 0x01
#define CY_DMA_NUMBEROF_TDS 128u
#define CY_DMA_NUMBEROF_CHANNELS ((uint8)(CYDEV_DMA_CHANNELS_AVAILABLE))
/* Action register bits */
#define CY_DMA_CPU_REQ ((uint8)(1u << 0u))
#define CY_DMA_CPU_TERM_TD ((uint8)(1u << 1u))
#define CY_DMA_CPU_TERM_CHAIN ((uint8)(1u << 2u))
/* Basic Status register bits */
#define CY_DMA_STATUS_CHAIN_ACTIVE ((uint8)(1u << 0u))
#define CY_DMA_STATUS_TD_ACTIVE ((uint8)(1u << 1u))
/* DMA controller register error bits */
#define CY_DMA_BUS_TIMEOUT (1u << 1u)
#define CY_DMA_UNPOP_ACC (1u << 2u)
#define CY_DMA_PERIPH_ERR (1u << 3u)
/* Round robin bits */
#define CY_DMA_ROUND_ROBIN_ENABLE ((uint8)(1u << 4u))
/***************************************
* Registers
***************************************/
#define CY_DMA_CFG_REG (*(reg32 *) CYREG_PHUB_CFG)
#define CY_DMA_CFG_PTR ( (reg32 *) CYREG_PHUB_CFG)
#define CY_DMA_ERR_REG (*(reg32 *) CYREG_PHUB_ERR)
#define CY_DMA_ERR_PTR ( (reg32 *) CYREG_PHUB_ERR)
#define CY_DMA_ERR_ADR_REG (*(reg32 *) CYREG_PHUB_ERR_ADR)
#define CY_DMA_ERR_ADR_PTR ( (reg32 *) CYREG_PHUB_ERR_ADR)
#define CY_DMA_CH_STRUCT_REG (*(dmac_ch CYXDATA *) CYDEV_PHUB_CH0_BASE)
#define CY_DMA_CH_STRUCT_PTR ( (dmac_ch CYXDATA *) CYDEV_PHUB_CH0_BASE)
#define CY_DMA_CFGMEM_STRUCT_REG (*(dmac_cfgmem CYXDATA *) CYDEV_PHUB_CFGMEM0_BASE)
#define CY_DMA_CFGMEM_STRUCT_PTR ( (dmac_cfgmem CYXDATA *) CYDEV_PHUB_CFGMEM0_BASE)
#define CY_DMA_TDMEM_STRUCT_REG (*(dmac_tdmem CYXDATA *) CYDEV_PHUB_TDMEM0_BASE)
#define CY_DMA_TDMEM_STRUCT_PTR ( (dmac_tdmem CYXDATA *) CYDEV_PHUB_TDMEM0_BASE)
/*******************************************************************************
* Following code are OBSOLETE and must not be used starting from cy_boot 3.0
*******************************************************************************/
#define DMA_INVALID_CHANNEL (CY_DMA_INVALID_CHANNEL)
#define DMA_INVALID_TD (CY_DMA_INVALID_TD)
#define DMA_END_CHAIN_TD (CY_DMA_END_CHAIN_TD)
#define DMAC_TD_SIZE (CY_DMA_TD_SIZE)
#define TD_SWAP_EN (CY_DMA_TD_SWAP_EN)
#define TD_SWAP_SIZE4 (CY_DMA_TD_SWAP_SIZE4)
#define TD_AUTO_EXEC_NEXT (CY_DMA_TD_AUTO_EXEC_NEXT)
#define TD_TERMIN_EN (CY_DMA_TD_TERMIN_EN)
#define TD_TERMOUT1_EN (CY_DMA_TD_TERMOUT1_EN)
#define TD_TERMOUT0_EN (CY_DMA_TD_TERMOUT0_EN)
#define TD_INC_DST_ADR (CY_DMA_TD_INC_DST_ADR)
#define TD_INC_SRC_ADR (CY_DMA_TD_INC_SRC_ADR)
#define NUMBEROF_TDS (CY_DMA_NUMBEROF_TDS)
#define NUMBEROF_CHANNELS (CY_DMA_NUMBEROF_CHANNELS)
#define CPU_REQ (CY_DMA_CPU_REQ)
#define CPU_TERM_TD (CY_DMA_CPU_TERM_TD)
#define CPU_TERM_CHAIN (CY_DMA_CPU_TERM_CHAIN)
#define STATUS_CHAIN_ACTIVE (CY_DMA_STATUS_CHAIN_ACTIVE)
#define STATUS_TD_ACTIVE (CY_DMA_STATUS_TD_ACTIVE)
#define DMAC_BUS_TIMEOUT (CY_DMA_BUS_TIMEOUT)
#define DMAC_UNPOP_ACC (CY_DMA_UNPOP_ACC)
#define DMAC_PERIPH_ERR (CY_DMA_PERIPH_ERR)
#define ROUND_ROBIN_ENABLE (CY_DMA_ROUND_ROBIN_ENABLE)
#if(CY_PSOC3 || CY_PSOC5LP)
#define DMA_DISABLE_TD (CY_DMA_DISABLE_TD)
#endif /* (CY_PSOC3 || CY_PSOC5LP) */
#define DMAC_CFG (CY_DMA_CFG_PTR)
#define DMAC_ERR (CY_DMA_ERR_PTR)
#define DMAC_ERR_ADR (CY_DMA_ERR_ADR_PTR)
#define DMAC_CH (CY_DMA_CH_STRUCT_PTR)
#define DMAC_CFGMEM (CY_DMA_CFGMEM_STRUCT_PTR)
#define DMAC_TDMEM (CY_DMA_TDMEM_STRUCT_PTR)
#endif /* (CY_BOOT_CYDMAC_H) */
/* [] END OF FILE */
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