71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*
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* libqos driver framework
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*
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* Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef QGRAPH_QSDHCI
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#define QGRAPH_QSDHCI
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#include "libqos/qgraph.h"
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#include "pci.h"
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typedef struct QSDHCI QSDHCI;
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typedef struct QSDHCI_MemoryMapped QSDHCI_MemoryMapped;
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typedef struct QSDHCI_PCI QSDHCI_PCI;
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typedef struct QSDHCIProperties QSDHCIProperties;
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/* Properties common to all QSDHCI devices */
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struct QSDHCIProperties {
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uint8_t version;
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uint8_t baseclock;
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struct {
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bool sdma;
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uint64_t reg;
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} capab;
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};
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struct QSDHCI {
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uint16_t (*readw)(QSDHCI *s, uint32_t reg);
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uint64_t (*readq)(QSDHCI *s, uint32_t reg);
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void (*writeq)(QSDHCI *s, uint32_t reg, uint64_t val);
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QSDHCIProperties props;
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};
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/* Memory Mapped implementation of QSDHCI */
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struct QSDHCI_MemoryMapped {
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QOSGraphObject obj;
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QTestState *qts;
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QSDHCI sdhci;
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uint64_t addr;
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};
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/* PCI implementation of QSDHCI */
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struct QSDHCI_PCI {
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QOSGraphObject obj;
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QPCIDevice dev;
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QSDHCI sdhci;
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QPCIBar mem_bar;
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};
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/**
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* qos_init_sdhci_mm(): external constructor used by all drivers/machines
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* that "contain" a #QSDHCI_MemoryMapped driver
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*/
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void qos_init_sdhci_mm(QSDHCI_MemoryMapped *sdhci, QTestState *qts,
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uint32_t addr, QSDHCIProperties *common);
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#endif
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