a0a9ba66f6
Add qgraph nodes for sdhci-pci and generic-sdhci (memory mapped) drivers. Both drivers implement (produce) the same interface sdhci, that provides the readw - readq - writeq functions. Signed-off-by: Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
|
|
* 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 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
|
|
#define QGRAPH_QSDHCI
|
|
|
|
#include "libqos/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
|