1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#ifndef INTERFACE_H
  7#define INTERFACE_H
  8
  9#include "util/common.h"
 10
 11enum GBALogLevel {
 12	GBA_LOG_FATAL = 0x01,
 13	GBA_LOG_ERROR = 0x02,
 14	GBA_LOG_WARN = 0x04,
 15	GBA_LOG_INFO = 0x08,
 16	GBA_LOG_DEBUG = 0x10,
 17	GBA_LOG_STUB = 0x20,
 18
 19	GBA_LOG_GAME_ERROR = 0x100,
 20	GBA_LOG_SWI = 0x200,
 21	GBA_LOG_STATUS = 0x400,
 22	GBA_LOG_SIO = 0x800,
 23
 24	GBA_LOG_ALL = 0xF3F,
 25};
 26
 27enum GBAKey {
 28	GBA_KEY_A = 0,
 29	GBA_KEY_B = 1,
 30	GBA_KEY_SELECT = 2,
 31	GBA_KEY_START = 3,
 32	GBA_KEY_RIGHT = 4,
 33	GBA_KEY_LEFT = 5,
 34	GBA_KEY_UP = 6,
 35	GBA_KEY_DOWN = 7,
 36	GBA_KEY_R = 8,
 37	GBA_KEY_L = 9,
 38	GBA_KEY_MAX,
 39	GBA_KEY_NONE = -1
 40};
 41
 42enum GBASIOMode {
 43	SIO_NORMAL_8 = 0,
 44	SIO_NORMAL_32 = 1,
 45	SIO_MULTI = 2,
 46	SIO_UART = 3,
 47	SIO_GPIO = 8,
 48	SIO_JOYBUS = 12
 49};
 50
 51struct GBA;
 52struct GBAAudio;
 53struct GBASIO;
 54struct GBAThread;
 55struct GBAVideoRenderer;
 56
 57typedef void (*GBALogHandler)(struct GBAThread*, enum GBALogLevel, const char* format, va_list args);
 58
 59struct GBAAVStream {
 60	void (*postVideoFrame)(struct GBAAVStream*, struct GBAVideoRenderer* renderer);
 61	void (*postAudioFrame)(struct GBAAVStream*, int16_t left, int16_t right);
 62	void (*postAudioBuffer)(struct GBAAVStream*, struct GBAAudio*);
 63};
 64
 65struct GBAKeyCallback {
 66	uint16_t (*readKeys)(struct GBAKeyCallback*);
 67};
 68
 69struct GBAStopCallback {
 70	void (*stop)(struct GBAStopCallback*);
 71};
 72
 73struct GBARotationSource {
 74	void (*sample)(struct GBARotationSource*);
 75
 76	int32_t (*readTiltX)(struct GBARotationSource*);
 77	int32_t (*readTiltY)(struct GBARotationSource*);
 78
 79	int32_t (*readGyroZ)(struct GBARotationSource*);
 80};
 81
 82extern const int GBA_LUX_LEVELS[10];
 83
 84struct GBALuminanceSource {
 85	void (*sample)(struct GBALuminanceSource*);
 86
 87	uint8_t (*readLuminance)(struct GBALuminanceSource*);
 88};
 89
 90struct GBARTCSource {
 91	void (*sample)(struct GBARTCSource*);
 92
 93	time_t (*unixTime)(struct GBARTCSource*);
 94};
 95
 96struct GBASIODriver {
 97	struct GBASIO* p;
 98
 99	bool (*init)(struct GBASIODriver* driver);
100	void (*deinit)(struct GBASIODriver* driver);
101	bool (*load)(struct GBASIODriver* driver);
102	bool (*unload)(struct GBASIODriver* driver);
103	uint16_t (*writeRegister)(struct GBASIODriver* driver, uint32_t address, uint16_t value);
104	int32_t (*processEvents)(struct GBASIODriver* driver, int32_t cycles);
105};
106
107#endif