| 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 |