[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 "../../libpcsxcore/psemu_plugin_defs.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 CurPad = 0, CurByte = 0, CurCmd = 0, CmdLen = 0;
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 unsigned char PADpoll_(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 == 2)
		do_cmd2(value);

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

	return buf[CurByte++];
}

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

/* hack.. */
extern long (*PAD1_readPort1)(PadDataS *pad);

static unsigned char PADstartPoll1(int pad) {
	CurPad = 0;
	CurByte = 0;

	PAD1_readPort1(&padstate[0].pad);

	return 0xFF;
}

/* some more hacks here but oh well */
extern void *PAD1_startPoll, *PAD1_poll;

void dfinput_activate(int yes)
{
	static void *old_start, *old_poll;

	if (!yes) {
		if (PAD1_startPoll == PADstartPoll1)
			PAD1_startPoll = old_start;
		if (PAD1_poll == PADpoll)
			PAD1_poll = old_poll;
		return;
	}

	if (PAD1_startPoll == PADstartPoll1 && PAD1_poll == PADpoll)
		return;

	old_start = PAD1_startPoll;
	old_poll = PAD1_poll;
	PAD1_startPoll = PADstartPoll1;
	PAD1_poll = PADpoll;

	PAD1_readPort1(&padstate[0].pad);
	padstate[0].PadID = padstate[0].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD ? 0x73 : 0x41;
	padstate[0].PadMode = padstate[0].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD;

	padstate[1].PadID = 0x41;
	padstate[1].PadMode = 0;
}
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
	24	#include "../../libpcsxcore/psemu_plugin_defs.h"
	25
	26	enum {
	27	ANALOG_LEFT = 0,
	28	ANALOG_RIGHT,
	29
	30	ANALOG_TOTAL
	31	};
	32
	33	enum {
	34	CMD_READ_DATA_AND_VIBRATE = 0x42,
	35	CMD_CONFIG_MODE = 0x43,
	36	CMD_SET_MODE_AND_LOCK = 0x44,
	37	CMD_QUERY_MODEL_AND_MODE = 0x45,
	38	CMD_QUERY_ACT = 0x46, // ??
	39	CMD_QUERY_COMB = 0x47, // ??
	40	CMD_QUERY_MODE = 0x4C, // QUERY_MODE ??
	41	CMD_VIBRATION_TOGGLE = 0x4D,
	42	};
	43
	44	static struct {
	45	uint8_t PadMode;
	46	uint8_t PadID;
cdd215d3	47	uint8_t ConfigMode;
384f5f43	48	PadDataS pad;
	49	} padstate[2];
	50
	51	static uint8_t stdpar[2][8] = {
	52	{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80},
	53	{0xFF, 0x5A, 0xFF, 0xFF, 0x80, 0x80, 0x80, 0x80}
	54	};
	55
	56	static uint8_t unk46[2][8] = {
	57	{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A},
	58	{0xFF, 0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A}
	59	};
	60
	61	static uint8_t unk47[2][8] = {
	62	{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00},
	63	{0xFF, 0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00}
	64	};
	65
	66	static uint8_t unk4c[2][8] = {
	67	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	68	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
	69	};
	70
	71	static uint8_t unk4d[2][8] = {
	72	{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
	73	{0xFF, 0x5A, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}
	74	};
	75
	76	static uint8_t stdcfg[2][8] = {
	77	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	78	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
	79	};
	80
	81	static uint8_t stdmode[2][8] = {
	82	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
	83	{0xFF, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
	84	};
	85
	86	static uint8_t stdmodel[2][8] = {
	87	{0xFF,
	88	0x5A,
	89	0x01, // 03 - dualshock2, 01 - dualshock
	90	0x02, // number of modes
	91	0x01, // current mode: 01 - analog, 00 - digital
	92	0x02,
	93	0x01,
	94	0x00},
	95	{0xFF,
	96	0x5A,
	97	0x01, // 03 - dualshock2, 01 - dualshock
	98	0x02, // number of modes
	99	0x01, // current mode: 01 - analog, 00 - digital
	100	0x02,
	101	0x01,
	102	0x00}
	103	};
	104
	105	static uint8_t CurPad = 0, CurByte = 0, CurCmd = 0, CmdLen = 0;
	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
	209	static unsigned char PADpoll_(unsigned char value) {
	210
	211	if (CurByte == 0) {
	212	CurCmd = value;
	213	CurByte++;
	214
	215	// Don't enable Analog/Vibration for a standard pad
	216	if (padstate[CurPad].pad.controllerType != PSE_PAD_TYPE_ANALOGPAD)
	217	CurCmd = CMD_READ_DATA_AND_VIBRATE;
	218
	219	return do_cmd();
	220	}
	221
	222	if (CurByte == 2)
	223	do_cmd2(value);
	224
	225	if (CurByte >= CmdLen)
9c1517da	226	return 0xff; // verified
384f5f43	227
	228	return buf[CurByte++];
	229	}
	230
cdd215d3	231	#if 0
384f5f43	232	#include <stdio.h>
	233	static unsigned char PADpoll(unsigned char value) {
	234	unsigned char b = CurByte, r = PADpoll_(value);
	235	printf("poll[%d] %02x %02x\n", b, value, r);
	236	return r;
	237	}
cdd215d3	238	#else
	239	#define PADpoll PADpoll_
	240	#endif
384f5f43	241
	242	/* hack.. */
	243	extern long (PAD1_readPort1)(PadDataS pad);
	244
	245	static unsigned char PADstartPoll1(int pad) {
	246	CurPad = 0;
	247	CurByte = 0;
	248
	249	PAD1_readPort1(&padstate[0].pad);
	250
	251	return 0xFF;
	252	}
	253
	254	/* some more hacks here but oh well */
	255	extern void PAD1_startPoll, PAD1_poll;
	256
	257	void dfinput_activate(int yes)
	258	{
	259	static void old_start, old_poll;
	260
	261	if (!yes) {
	262	if (PAD1_startPoll == PADstartPoll1)
	263	PAD1_startPoll = old_start;
	264	if (PAD1_poll == PADpoll)
	265	PAD1_poll = old_poll;
	266	return;
	267	}
	268
	269	if (PAD1_startPoll == PADstartPoll1 && PAD1_poll == PADpoll)
	270	return;
	271
	272	old_start = PAD1_startPoll;
	273	old_poll = PAD1_poll;
	274	PAD1_startPoll = PADstartPoll1;
	275	PAD1_poll = PADpoll;
	276
	277	PAD1_readPort1(&padstate[0].pad);
	278	padstate[0].PadID = padstate[0].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD ? 0x73 : 0x41;
	279	padstate[0].PadMode = padstate[0].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD;
	280
	281	padstate[1].PadID = 0x41;
	282	padstate[1].PadMode = 0;
	283	}
	284