sdhci.h (1949B)
1 /* 2 * libqos driver framework 3 * 4 * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License version 2.1 as published by the Free Software Foundation. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, see <http://www.gnu.org/licenses/> 17 */ 18 19 #ifndef QGRAPH_QSDHCI_H 20 #define QGRAPH_QSDHCI_H 21 22 #include "qgraph.h" 23 #include "pci.h" 24 25 typedef struct QSDHCI QSDHCI; 26 typedef struct QSDHCI_MemoryMapped QSDHCI_MemoryMapped; 27 typedef struct QSDHCI_PCI QSDHCI_PCI; 28 typedef struct QSDHCIProperties QSDHCIProperties; 29 30 /* Properties common to all QSDHCI devices */ 31 struct QSDHCIProperties { 32 uint8_t version; 33 uint8_t baseclock; 34 struct { 35 bool sdma; 36 uint64_t reg; 37 } capab; 38 }; 39 40 struct QSDHCI { 41 uint16_t (*readw)(QSDHCI *s, uint32_t reg); 42 uint64_t (*readq)(QSDHCI *s, uint32_t reg); 43 void (*writeq)(QSDHCI *s, uint32_t reg, uint64_t val); 44 QSDHCIProperties props; 45 }; 46 47 /* Memory Mapped implementation of QSDHCI */ 48 struct QSDHCI_MemoryMapped { 49 QOSGraphObject obj; 50 QTestState *qts; 51 QSDHCI sdhci; 52 uint64_t addr; 53 }; 54 55 /* PCI implementation of QSDHCI */ 56 struct QSDHCI_PCI { 57 QOSGraphObject obj; 58 QPCIDevice dev; 59 QSDHCI sdhci; 60 QPCIBar mem_bar; 61 }; 62 63 /** 64 * qos_init_sdhci_mm(): external constructor used by all drivers/machines 65 * that "contain" a #QSDHCI_MemoryMapped driver 66 */ 67 void qos_init_sdhci_mm(QSDHCI_MemoryMapped *sdhci, QTestState *qts, 68 uint32_t addr, QSDHCIProperties *common); 69 70 #endif