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/*
* libqos driver framework
*
* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
#ifndef QGRAPH_QSDHCI_H
#define QGRAPH_QSDHCI_H
#include "qgraph.h"
#include "pci.h"
typedef struct QSDHCI QSDHCI;
typedef struct QSDHCI_MemoryMapped QSDHCI_MemoryMapped;
typedef struct QSDHCI_PCI QSDHCI_PCI;
typedef struct QSDHCIProperties QSDHCIProperties;
/* Properties common to all QSDHCI devices */
struct QSDHCIProperties {
uint8_t version;
uint8_t baseclock;
struct {
bool sdma;
uint64_t reg;
} capab;
};
struct QSDHCI {
uint16_t (*readw)(QSDHCI *s, uint32_t reg);
uint64_t (*readq)(QSDHCI *s, uint32_t reg);
void (*writeq)(QSDHCI *s, uint32_t reg, uint64_t val);
QSDHCIProperties props;
};
/* Memory Mapped implementation of QSDHCI */
struct QSDHCI_MemoryMapped {
QOSGraphObject obj;
QTestState *qts;
QSDHCI sdhci;
uint64_t addr;
};
/* PCI implementation of QSDHCI */
struct QSDHCI_PCI {
QOSGraphObject obj;
QPCIDevice dev;
QSDHCI sdhci;
QPCIBar mem_bar;
};
/**
* qos_init_sdhci_mm(): external constructor used by all drivers/machines
* that "contain" a #QSDHCI_MemoryMapped driver
*/
void qos_init_sdhci_mm(QSDHCI_MemoryMapped *sdhci, QTestState *qts,
uint32_t addr, QSDHCIProperties *common);
#endif
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