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/*
* Microsemi SmartFusion2 SPI
*
* Copyright (c) 2017 Subbaraya Sundeep <sundeep.lkml@gmail.com>
*
* 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 HW_MSS_SPI_H
#define HW_MSS_SPI_H
#include "hw/sysbus.h"
#include "hw/ssi/ssi.h"
#include "qemu/fifo32.h"
#include "qom/object.h"
#define TYPE_MSS_SPI "mss-spi"
typedef struct MSSSpiState MSSSpiState;
#define MSS_SPI(obj) OBJECT_CHECK(MSSSpiState, (obj), TYPE_MSS_SPI)
#define R_SPI_MAX 16
struct MSSSpiState {
SysBusDevice parent_obj;
MemoryRegion mmio;
qemu_irq irq;
qemu_irq cs_line;
SSIBus *spi;
Fifo32 rx_fifo;
Fifo32 tx_fifo;
int fifo_depth;
uint32_t frame_count;
bool enabled;
uint32_t regs[R_SPI_MAX];
};
#endif /* HW_MSS_SPI_H */
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