| 1 | /* |
| 2 | * QEMU LASI PS/2 emulation |
| 3 | * |
| 4 | * Copyright (c) 2019 Sven Schnelle |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * QEMU interface: |
| 10 | * + sysbus MMIO region 0: MemoryRegion defining the LASI PS2 keyboard |
| 11 | * registers |
| 12 | * + sysbus MMIO region 1: MemoryRegion defining the LASI PS2 mouse |
| 13 | * registers |
| 14 | * + sysbus IRQ 0: LASI PS2 output irq |
| 15 | * + Named GPIO input "lasips2-port-input-irq[0..1]": set to 1 if the downstream |
| 16 | * LASIPS2Port has asserted its irq |
| 17 | */ |
| 18 | |
| 19 | #ifndef HW_INPUT_LASIPS2_H |
| 20 | #define HW_INPUT_LASIPS2_H |
| 21 | |
| 22 | #include "exec/hwaddr.h" |
| 23 | #include "hw/core/sysbus.h" |
| 24 | #include "hw/input/ps2.h" |
| 25 | |
| 26 | #define TYPE_LASIPS2_PORT "lasips2-port" |
| 27 | OBJECT_DECLARE_TYPE(LASIPS2Port, LASIPS2PortDeviceClass, LASIPS2_PORT) |
| 28 | |
| 29 | struct LASIPS2PortDeviceClass { |
| 30 | DeviceClass parent; |
| 31 | |
| 32 | DeviceRealize parent_realize; |
| 33 | }; |
| 34 | |
| 35 | #define TYPE_LASIPS2 "lasips2" |
| 36 | OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2State, LASIPS2) |
| 37 | |
| 38 | struct LASIPS2Port { |
| 39 | DeviceState parent_obj; |
| 40 | |
| 41 | LASIPS2State *lasips2; |
| 42 | MemoryRegion reg; |
| 43 | PS2State *ps2dev; |
| 44 | uint8_t id; |
| 45 | uint8_t control; |
| 46 | uint8_t buf; |
| 47 | bool loopback_rbne; |
| 48 | qemu_irq irq; |
| 49 | }; |
| 50 | |
| 51 | #define TYPE_LASIPS2_KBD_PORT "lasips2-kbd-port" |
| 52 | OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2KbdPort, LASIPS2_KBD_PORT) |
| 53 | |
| 54 | struct LASIPS2KbdPort { |
| 55 | LASIPS2Port parent_obj; |
| 56 | |
| 57 | PS2KbdState kbd; |
| 58 | }; |
| 59 | |
| 60 | #define TYPE_LASIPS2_MOUSE_PORT "lasips2-mouse-port" |
| 61 | OBJECT_DECLARE_SIMPLE_TYPE(LASIPS2MousePort, LASIPS2_MOUSE_PORT) |
| 62 | |
| 63 | struct LASIPS2MousePort { |
| 64 | LASIPS2Port parent_obj; |
| 65 | |
| 66 | PS2MouseState mouse; |
| 67 | }; |
| 68 | |
| 69 | struct LASIPS2State { |
| 70 | SysBusDevice parent_obj; |
| 71 | |
| 72 | LASIPS2KbdPort kbd_port; |
| 73 | LASIPS2MousePort mouse_port; |
| 74 | uint8_t int_status; |
| 75 | qemu_irq irq; |
| 76 | }; |
| 77 | |
| 78 | #endif /* HW_INPUT_LASIPS2_H */ |