[pcsx_rearmed.git] / plugins / dfinput / pad.c

/*
 * Copyright (c) 2009, Wei Mingzhi <whistler@openoffice.org>.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses>.
 *
 * this is only pure emulation code to handle analogs,
 * extracted from dfinput.
 */

#include <stdint.h>

#include "psemu_plugin_defs.h"
#include "main.h"

enum {
	ANALOG_LEFT = 0,
	ANALOG_RIGHT,

	ANALOG_TOTAL
};

enum {
	CMD_READ_DATA_AND_VIBRATE = 0x42,
	CMD_CONFIG_MODE = 0x43,
	CMD_SET_MODE_AND_LOCK = 0x44,
	CMD_QUERY_MODEL_AND_MODE = 0x45,
	CMD_QUERY_ACT = 0x46, // ??
	CMD_QUERY_COMB = 0x47, // ??
	CMD_QUERY_MODE = 0x4C, // QUERY_MODE ??
	CMD_VIBRATION_TOGGLE = 0x4D,
};

static struct {
	uint8_t PadMode;
	uint8_t PadID;
	uint8_t ConfigMode;
	PadDataS pad;
} padstate[2];

static uint8_t stdpar[2][8] = {
	{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80},
	{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}
};

static uint8_t unk46[2][8] = {
	{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A},
	{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A}
};

static uint8_t unk47[2][8] = {
	{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00},
	{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00}
};

static uint8_t unk4c[2][8] = {
	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};

static uint8_t unk4d[2][8] = { 
	{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
	{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
};

static uint8_t stdcfg[2][8]   = { 
	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};

static uint8_t stdmode[2][8]  = { 
	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
};

static uint8_t stdmodel[2][8] = { 
	{0xFF,
	 0x5A,
	 0x01, // 03 - dualshock2, 01 - dualshock
	 0x02, // number of modes
	 0x01, // current mode: 01 - analog, 00 - digital
	 0x02,
	 0x01,
	 0x00},
	{0xFF, 
	 0x5A,
	 0x01, // 03 - dualshock2, 01 - dualshock
	 0x02, // number of modes
	 0x01, // current mode: 01 - analog, 00 - digital
	 0x02,
	 0x01,
	 0x00}
};

static uint8_t *buf;

static uint8_t do_cmd(void)
{
	PadDataS *pad = &padstate[CurPad].pad;
	int pad_num = CurPad;

	CmdLen = 8;
	switch (CurCmd) {
		case CMD_SET_MODE_AND_LOCK:
			buf = stdmode[pad_num];
			return 0xF3;

		case CMD_QUERY_MODEL_AND_MODE:
			buf = stdmodel[pad_num];
			buf[4] = padstate[pad_num].PadMode;
			return 0xF3;

		case CMD_QUERY_ACT:
			buf = unk46[pad_num];
			return 0xF3;

		case CMD_QUERY_COMB:
			buf = unk47[pad_num];
			return 0xF3;

		case CMD_QUERY_MODE:
			buf = unk4c[pad_num];
			return 0xF3;

		case CMD_VIBRATION_TOGGLE:
			buf = unk4d[pad_num];
			return 0xF3;

		case CMD_CONFIG_MODE:
			if (padstate[pad_num].ConfigMode) {
				buf = stdcfg[pad_num];
				return 0xF3;
			}
			// else FALLTHROUGH

		case CMD_READ_DATA_AND_VIBRATE:
		default:
			buf = stdpar[pad_num];

			buf[2] = pad->buttonStatus;
			buf[3] = pad->buttonStatus >> 8;

			if (padstate[pad_num].PadMode == 1) {
				buf[4] = pad->rightJoyX;
				buf[5] = pad->rightJoyY;
				buf[6] = pad->leftJoyX;
				buf[7] = pad->leftJoyY;
			} else {
				CmdLen = 4;
			}

			return padstate[pad_num].PadID;
	}
}

static void do_cmd2(unsigned char value)
{
	switch (CurCmd) {
		case CMD_CONFIG_MODE:
			padstate[CurPad].ConfigMode = value;
			break;

		case CMD_SET_MODE_AND_LOCK:
			padstate[CurPad].PadMode = value;
			padstate[CurPad].PadID = value ? 0x73 : 0x41;
			break;

		case CMD_QUERY_ACT:
			switch (value) {
				case 0: // default
					buf[5] = 0x02;
					buf[6] = 0x00;
					buf[7] = 0x0A;
					break;

				case 1: // Param std conf change
					buf[5] = 0x01;
					buf[6] = 0x01;
					buf[7] = 0x14;
					break;
			}
			break;

		case CMD_QUERY_MODE:
			switch (value) {
				case 0: // mode 0 - digital mode
					buf[5] = PSE_PAD_TYPE_STANDARD;
					break;

				case 1: // mode 1 - analog mode
					buf[5] = PSE_PAD_TYPE_ANALOGPAD;
					break;
			}
			break;
	}
}

static void do_vibration(unsigned char value)
{
    int changed = 0;
    int i;

    switch (CurCmd) {
        case CMD_READ_DATA_AND_VIBRATE:
            for (i = 0; i < 2; i++) {
                if (padstate[CurPad].pad.Vib[i] == CurByte
                     && padstate[CurPad].pad.VibF[i] != value) {
                    padstate[CurPad].pad.VibF[i] = value;
                    changed = 1;
                }
            }

            if (!in_enable_vibration || !changed)
                break;

            plat_trigger_vibrate(CurPad,
                                 padstate[CurPad].pad.VibF[0],
                                 padstate[CurPad].pad.VibF[1]);
            break;
        case CMD_VIBRATION_TOGGLE:
            for (i = 0; i < 2; i++) {
                if (padstate[CurPad].pad.Vib[i] == CurByte)
                    buf[CurByte] = 0;
            }
            if (value < 2) {
                padstate[CurPad].pad.Vib[value] = CurByte;
                if((padstate[CurPad].PadID & 0x0f) < (CurByte - 1) / 2) {
                    padstate[CurPad].PadID = (padstate[CurPad].PadID & 0xf0) + (CurByte - 1) / 2;
                }
            }
            break;
    }
}

#if 0
#include <stdio.h>
unsigned char PADpoll_(unsigned char value);
unsigned char PADpoll(unsigned char value) {
	unsigned char b = CurByte, r = PADpoll_(value);
	printf("poll[%d] %02x %02x\n", b, value, r);
	return r;
}
#define PADpoll PADpoll_
#endif

#ifndef HAVE_LIBRETRO
unsigned char PADpoll_pad(unsigned char value) {
	if (CurByte == 0) {
		CurCmd = value;
		CurByte++;

		// Don't enable Analog/Vibration for a standard pad
		if (padstate[CurPad].pad.controllerType != PSE_PAD_TYPE_ANALOGPAD)
			CurCmd = CMD_READ_DATA_AND_VIBRATE;

		return do_cmd();
	}

	if (CurByte >= CmdLen)
		return 0xff;	// verified

	if (CurByte == 2)
		do_cmd2(value);

	if (padstate[CurPad].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD)
		do_vibration(value);

	return buf[CurByte++];
}

unsigned char PADstartPoll_pad(int pad) {
	CurPad = pad - 1;
	CurByte = 0;

	if (pad == 1)
		PAD1_readPort1(&padstate[0].pad);
	else
		PAD2_readPort2(&padstate[1].pad);

	return 0xFF;
}

void pad_init(void)
{
	int i;

	PAD1_readPort1(&padstate[0].pad);
	PAD2_readPort2(&padstate[1].pad);

	for (i = 0; i < 2; i++) {
		padstate[i].PadID = padstate[i].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD ? 0x73 : 0x41;
		padstate[i].PadMode = padstate[i].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD;
	}
}
#endif
Commit	Line	Data
384f5f43	1	/*
	2	* Copyright (c) 2009, Wei Mingzhi <whistler@openoffice.org>.
	3	* All Rights Reserved.
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program 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
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, see <http://www.gnu.org/licenses>.
	17	*
	18	* this is only pure emulation code to handle analogs,
	19	* extracted from dfinput.
	20	*/
	21
	22	#include <stdint.h>
	23
da710571	24	#include "psemu_plugin_defs.h"
4c08b9e7	25	#include "main.h"
384f5f43	26
	27	enum {
	28	ANALOG_LEFT = 0,
	29	ANALOG_RIGHT,
	30
	31	ANALOG_TOTAL
	32	};
	33
	34	enum {
	35	CMD_READ_DATA_AND_VIBRATE = 0x42,
	36	CMD_CONFIG_MODE = 0x43,
	37	CMD_SET_MODE_AND_LOCK = 0x44,
	38	CMD_QUERY_MODEL_AND_MODE = 0x45,
	39	CMD_QUERY_ACT = 0x46, // ??
	40	CMD_QUERY_COMB = 0x47, // ??
	41	CMD_QUERY_MODE = 0x4C, // QUERY_MODE ??
	42	CMD_VIBRATION_TOGGLE = 0x4D,
	43	};
	44
	45	static struct {
	46	uint8_t PadMode;
	47	uint8_t PadID;
cdd215d3	48	uint8_t ConfigMode;
384f5f43	49	PadDataS pad;
	50	} padstate[2];
	51
	52	static uint8_t stdpar[2][8] = {
	53	{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80},
	54	{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}
	55	};
	56
	57	static uint8_t unk46[2][8] = {
	58	{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A},
	59	{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A}
	60	};
	61
	62	static uint8_t unk47[2][8] = {
	63	{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00},
	64	{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00}
	65	};
	66
	67	static uint8_t unk4c[2][8] = {
	68	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	69	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
	70	};
	71
	72	static uint8_t unk4d[2][8] = {
	73	{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
	74	{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
	75	};
	76
	77	static uint8_t stdcfg[2][8] = {
	78	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	79	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
	80	};
	81
	82	static uint8_t stdmode[2][8] = {
	83	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	84	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
	85	};
	86
	87	static uint8_t stdmodel[2][8] = {
	88	{0xFF,
	89	0x5A,
	90	0x01, // 03 - dualshock2, 01 - dualshock
	91	0x02, // number of modes
	92	0x01, // current mode: 01 - analog, 00 - digital
	93	0x02,
	94	0x01,
	95	0x00},
	96	{0xFF,
	97	0x5A,
	98	0x01, // 03 - dualshock2, 01 - dualshock
	99	0x02, // number of modes
	100	0x01, // current mode: 01 - analog, 00 - digital
	101	0x02,
	102	0x01,
	103	0x00}
	104	};
	105
384f5f43	106	static uint8_t *buf;
	107
	108	static uint8_t do_cmd(void)
	109	{
	110	PadDataS *pad = &padstate[CurPad].pad;
	111	int pad_num = CurPad;
	112
	113	CmdLen = 8;
	114	switch (CurCmd) {
384f5f43	115	case CMD_SET_MODE_AND_LOCK:
	116	buf = stdmode[pad_num];
	117	return 0xF3;
	118
	119	case CMD_QUERY_MODEL_AND_MODE:
	120	buf = stdmodel[pad_num];
	121	buf[4] = padstate[pad_num].PadMode;
	122	return 0xF3;
	123
	124	case CMD_QUERY_ACT:
	125	buf = unk46[pad_num];
	126	return 0xF3;
	127
	128	case CMD_QUERY_COMB:
	129	buf = unk47[pad_num];
	130	return 0xF3;
	131
	132	case CMD_QUERY_MODE:
	133	buf = unk4c[pad_num];
	134	return 0xF3;
	135
	136	case CMD_VIBRATION_TOGGLE:
	137	buf = unk4d[pad_num];
	138	return 0xF3;
	139
cdd215d3	140	case CMD_CONFIG_MODE:
	141	if (padstate[pad_num].ConfigMode) {
	142	buf = stdcfg[pad_num];
	143	return 0xF3;
	144	}
	145	// else FALLTHROUGH
	146
384f5f43	147	case CMD_READ_DATA_AND_VIBRATE:
	148	default:
	149	buf = stdpar[pad_num];
	150
	151	buf[2] = pad->buttonStatus;
	152	buf[3] = pad->buttonStatus >> 8;
	153
	154	if (padstate[pad_num].PadMode == 1) {
	155	buf[4] = pad->rightJoyX;
	156	buf[5] = pad->rightJoyY;
	157	buf[6] = pad->leftJoyX;
	158	buf[7] = pad->leftJoyY;
	159	} else {
	160	CmdLen = 4;
	161	}
	162
	163	return padstate[pad_num].PadID;
	164	}
	165	}
	166
	167	static void do_cmd2(unsigned char value)
	168	{
	169	switch (CurCmd) {
	170	case CMD_CONFIG_MODE:
cdd215d3	171	padstate[CurPad].ConfigMode = value;
384f5f43	172	break;
	173
	174	case CMD_SET_MODE_AND_LOCK:
	175	padstate[CurPad].PadMode = value;
	176	padstate[CurPad].PadID = value ? 0x73 : 0x41;
	177	break;
	178
	179	case CMD_QUERY_ACT:
	180	switch (value) {
	181	case 0: // default
	182	buf[5] = 0x02;
	183	buf[6] = 0x00;
	184	buf[7] = 0x0A;
	185	break;
	186
	187	case 1: // Param std conf change
	188	buf[5] = 0x01;
	189	buf[6] = 0x01;
	190	buf[7] = 0x14;
	191	break;
	192	}
	193	break;
	194
	195	case CMD_QUERY_MODE:
	196	switch (value) {
	197	case 0: // mode 0 - digital mode
	198	buf[5] = PSE_PAD_TYPE_STANDARD;
	199	break;
	200
	201	case 1: // mode 1 - analog mode
	202	buf[5] = PSE_PAD_TYPE_ANALOGPAD;
	203	break;
	204	}
	205	break;
	206	}
	207	}
	208
d71c7095	209	static void do_vibration(unsigned char value)
3a40ff14	210	{
d71c7095	211	int changed = 0;
4e477065	212	int i;
d71c7095	213
4e477065	214	switch (CurCmd) {
4e477065	215	case CMD_READ_DATA_AND_VIBRATE:
4e477065	216	for (i = 0; i < 2; i++) {
d71c7095	217	if (padstate[CurPad].pad.Vib[i] == CurByte
d71c7095	218	&& padstate[CurPad].pad.VibF[i] != value) {
4e477065	219	padstate[CurPad].pad.VibF[i] = value;
d71c7095	220	changed = 1;
d71c7095	221	}
4e477065	222	}
4e477065	223
d71c7095	224	if (!in_enable_vibration \|\| !changed)
	225	break;
	226
4e477065	227	plat_trigger_vibrate(CurPad,
	228	padstate[CurPad].pad.VibF[0],
	229	padstate[CurPad].pad.VibF[1]);
	230	break;
	231	case CMD_VIBRATION_TOGGLE:
	232	for (i = 0; i < 2; i++) {
	233	if (padstate[CurPad].pad.Vib[i] == CurByte)
	234	buf[CurByte] = 0;
	235	}
	236	if (value < 2) {
	237	padstate[CurPad].pad.Vib[value] = CurByte;
	238	if((padstate[CurPad].PadID & 0x0f) < (CurByte - 1) / 2) {
	239	padstate[CurPad].PadID = (padstate[CurPad].PadID & 0xf0) + (CurByte - 1) / 2;
	240	}
	241	}
	242	break;
	243	}
3a40ff14	244	}
3a40ff14	245
4c08b9e7	246	#if 0
	247	#include <stdio.h>
	248	unsigned char PADpoll_(unsigned char value);
	249	unsigned char PADpoll(unsigned char value) {
	250	unsigned char b = CurByte, r = PADpoll_(value);
	251	printf("poll[%d] %02x %02x\n", b, value, r);
	252	return r;
	253	}
	254	#define PADpoll PADpoll_
	255	#endif
	256
f40e483e	257	#ifndef HAVE_LIBRETRO
4c08b9e7	258	unsigned char PADpoll_pad(unsigned char value) {
d71c7095	259	if (CurByte == 0) {
384f5f43	260	CurCmd = value;
	261	CurByte++;
	262
	263	// Don't enable Analog/Vibration for a standard pad
	264	if (padstate[CurPad].pad.controllerType != PSE_PAD_TYPE_ANALOGPAD)
	265	CurCmd = CMD_READ_DATA_AND_VIBRATE;
	266
	267	return do_cmd();
d71c7095	268	}
4e477065	269
d71c7095	270	if (CurByte >= CmdLen)
d71c7095	271	return 0xff; // verified
4e477065	272
d71c7095	273	if (CurByte == 2)
384f5f43	274	do_cmd2(value);
384f5f43	275
d71c7095	276	if (padstate[CurPad].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD)
d71c7095	277	do_vibration(value);
384f5f43	278
	279	return buf[CurByte++];
	280	}
	281
4c08b9e7	282	unsigned char PADstartPoll_pad(int pad) {
4c08b9e7	283	CurPad = pad - 1;
384f5f43	284	CurByte = 0;
384f5f43	285
4c08b9e7	286	if (pad == 1)
	287	PAD1_readPort1(&padstate[0].pad);
	288	else
	289	PAD2_readPort2(&padstate[1].pad);
384f5f43	290
	291	return 0xFF;
	292	}
	293
4c08b9e7	294	void pad_init(void)
384f5f43	295	{
4c08b9e7	296	int i;
384f5f43	297
384f5f43	298	PAD1_readPort1(&padstate[0].pad);
4c08b9e7	299	PAD2_readPort2(&padstate[1].pad);
384f5f43	300
4c08b9e7	301	for (i = 0; i < 2; i++) {
	302	padstate[i].PadID = padstate[i].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD ? 0x73 : 0x41;
	303	padstate[i].PadMode = padstate[i].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD;
	304	}
384f5f43	305	}
f40e483e	306	#endif