| 1 | /* |
| 2 | * SMC FDC37C669 Super I/O controller |
| 3 | * |
| 4 | * Copyright (c) 2018 Philippe Mathieu-Daudé |
| 5 | * |
| 6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 7 | * See the COPYING file in the top-level directory. |
| 8 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 9 | */ |
| 10 | |
| 11 | #include "qemu/osdep.h" |
| 12 | #include "hw/isa/superio.h" |
| 13 | #include "qemu/module.h" |
| 14 | |
| 15 | /* UARTs (compatible with NS16450 or PC16550) */ |
| 16 | |
| 17 | static uint16_t get_serial_iobase(ISASuperIODevice *sio, uint8_t index) |
| 18 | { |
| 19 | return index ? 0x2f8 : 0x3f8; |
| 20 | } |
| 21 | |
| 22 | static unsigned int get_serial_irq(ISASuperIODevice *sio, uint8_t index) |
| 23 | { |
| 24 | return index ? 3 : 4; |
| 25 | } |
| 26 | |
| 27 | /* Parallel port */ |
| 28 | |
| 29 | static uint16_t get_parallel_iobase(ISASuperIODevice *sio, uint8_t index) |
| 30 | { |
| 31 | return 0x378; |
| 32 | } |
| 33 | |
| 34 | static unsigned int get_parallel_irq(ISASuperIODevice *sio, uint8_t index) |
| 35 | { |
| 36 | return 7; |
| 37 | } |
| 38 | |
| 39 | static unsigned int get_parallel_dma(ISASuperIODevice *sio, uint8_t index) |
| 40 | { |
| 41 | return 3; |
| 42 | } |
| 43 | |
| 44 | /* Diskette controller (Software compatible with the Intel PC8477) */ |
| 45 | |
| 46 | static uint16_t get_fdc_iobase(ISASuperIODevice *sio, uint8_t index) |
| 47 | { |
| 48 | return 0x3f0; |
| 49 | } |
| 50 | |
| 51 | static unsigned int get_fdc_irq(ISASuperIODevice *sio, uint8_t index) |
| 52 | { |
| 53 | return 6; |
| 54 | } |
| 55 | |
| 56 | static unsigned int get_fdc_dma(ISASuperIODevice *sio, uint8_t index) |
| 57 | { |
| 58 | return 2; |
| 59 | } |
| 60 | |
| 61 | static void smc37c669_class_init(ObjectClass *klass, const void *data) |
| 62 | { |
| 63 | ISASuperIOClass *sc = ISA_SUPERIO_CLASS(klass); |
| 64 | |
| 65 | sc->parallel = (ISASuperIOFuncs){ |
| 66 | .count = 1, |
| 67 | .get_iobase = get_parallel_iobase, |
| 68 | .get_irq = get_parallel_irq, |
| 69 | .get_dma = get_parallel_dma, |
| 70 | }; |
| 71 | sc->serial = (ISASuperIOFuncs){ |
| 72 | .count = 2, |
| 73 | .get_iobase = get_serial_iobase, |
| 74 | .get_irq = get_serial_irq, |
| 75 | }; |
| 76 | sc->floppy = (ISASuperIOFuncs){ |
| 77 | .count = 1, |
| 78 | .get_iobase = get_fdc_iobase, |
| 79 | .get_irq = get_fdc_irq, |
| 80 | .get_dma = get_fdc_dma, |
| 81 | }; |
| 82 | sc->ide.count = 0; |
| 83 | } |
| 84 | |
| 85 | static const TypeInfo smc37c669_type_info = { |
| 86 | .name = TYPE_SMC37C669_SUPERIO, |
| 87 | .parent = TYPE_ISA_SUPERIO, |
| 88 | .class_size = sizeof(ISASuperIOClass), |
| 89 | .class_init = smc37c669_class_init, |
| 90 | }; |
| 91 | |
| 92 | static void smc37c669_register_types(void) |
| 93 | { |
| 94 | type_register_static(&smc37c669_type_info); |
| 95 | } |
| 96 | |
| 97 | type_init(smc37c669_register_types) |