jacking/bsp/dma.h

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2022-01-21 04:15:36 +00:00
/*
* Copyright (C) 2018 Marcus Comstedt
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef BSP_DMA_H_
#define BSP_DMA_H_
#include <stdint.h>
#define FX3_LPP_DMA_SCK(n) (0xE0008000+((n)<<7))
#define FX3_PIB_DMA_SCK(n) (0xE0018000+((n)<<7))
#define FX3_UIB_DMA_SCK(n) (0xE0038000+((n)<<7))
#define FX3_UIBIN_DMA_SCK(n) (0xE0048000+((n)<<7))
#define FX3_DMA_SOCKET_IP(s) (((s) >> 16) & 0x3FUL)
#define FX3_DMA_SOCKET_SCK(s) (((s) >> 7) & 0xFFUL)
#define FX3_DMA_DESCRIPTOR(n) /* 1 <= n < 768 */ \
((volatile struct Fx3DmaDescriptor *)(void *)(0x40000000 + ((n) << 4)))
#define FX3_LPP_DMA_GLOBL 0xE000FF00
#define FX3_PIB_DMA_GLOBL 0xE001FF00
#define FX3_UIB_DMA_GLOBL 0xE003FF00
#define FX3_UIBIN_DMA_GLOBL 0xE004FF00
struct Fx3DmaDescriptor {
uint32_t dscr_buffer;
uint32_t dscr_sync;
uint32_t dscr_chain;
uint32_t dscr_size;
};
extern uint16_t Fx3DmaAllocateDescriptor(void);
extern void Fx3DmaFreeDescriptor(uint16_t d);
extern void Fx3DmaAbortSocket(uint32_t socket);
extern void Fx3DmaFillDescriptorThrough(uint32_t prod_socket, uint32_t cons_socket,
uint16_t descriptor, volatile void *buffer, uint16_t length,
uint16_t wrchain, uint16_t rdchain);
extern void Fx3DmaFillDescriptorRead(uint32_t socket, uint16_t descriptor,
const volatile void *buffer,
uint16_t length, uint16_t chain);
extern void Fx3DmaFillDescriptorWrite(uint32_t socket, uint16_t descriptor,
volatile void *buffer, uint16_t length,
uint16_t chain);
extern void Fx3DmaSimpleTransferRead(uint32_t socket, uint16_t descriptor,
const volatile void *buffer, uint16_t length);
extern void Fx3DmaSimpleTransferWrite(uint32_t socket, uint16_t descriptor,
volatile void *buffer, uint16_t length);
extern void Fx3DmaStartProducer(uint32_t socket, uint16_t descriptor,
uint32_t size, uint32_t count);
extern void Fx3DmaStartConsumer(uint32_t socket, uint16_t descriptor,
uint32_t size, uint32_t count);
#endif /* BSP_DMA_H_ */