| 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 | #include "main.h" |
| 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; |
| 48 | uint8_t ConfigMode; |
| 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 | |
| 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) { |
| 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 | |
| 140 | case CMD_CONFIG_MODE: |
| 141 | if (padstate[pad_num].ConfigMode) { |
| 142 | buf = stdcfg[pad_num]; |
| 143 | return 0xF3; |
| 144 | } |
| 145 | // else FALLTHROUGH |
| 146 | |
| 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: |
| 171 | padstate[CurPad].ConfigMode = value; |
| 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 | case CMD_READ_DATA_AND_VIBRATE: |
| 208 | if (value == 1 && CurPad == 0 && in_enable_vibration) |
| 209 | plat_trigger_vibrate(); |
| 210 | break; |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | #if 0 |
| 215 | #include <stdio.h> |
| 216 | unsigned char PADpoll_(unsigned char value); |
| 217 | unsigned char PADpoll(unsigned char value) { |
| 218 | unsigned char b = CurByte, r = PADpoll_(value); |
| 219 | printf("poll[%d] %02x %02x\n", b, value, r); |
| 220 | return r; |
| 221 | } |
| 222 | #define PADpoll PADpoll_ |
| 223 | #endif |
| 224 | |
| 225 | unsigned char PADpoll_pad(unsigned char value) { |
| 226 | |
| 227 | if (CurByte == 0) { |
| 228 | CurCmd = value; |
| 229 | CurByte++; |
| 230 | |
| 231 | // Don't enable Analog/Vibration for a standard pad |
| 232 | if (padstate[CurPad].pad.controllerType != PSE_PAD_TYPE_ANALOGPAD) |
| 233 | CurCmd = CMD_READ_DATA_AND_VIBRATE; |
| 234 | |
| 235 | return do_cmd(); |
| 236 | } |
| 237 | |
| 238 | if (CurByte == 2) |
| 239 | do_cmd2(value); |
| 240 | |
| 241 | if (CurByte >= CmdLen) |
| 242 | return 0xff; // verified |
| 243 | |
| 244 | return buf[CurByte++]; |
| 245 | } |
| 246 | |
| 247 | unsigned char PADstartPoll_pad(int pad) { |
| 248 | CurPad = pad - 1; |
| 249 | CurByte = 0; |
| 250 | |
| 251 | if (pad == 1) |
| 252 | PAD1_readPort1(&padstate[0].pad); |
| 253 | else |
| 254 | PAD2_readPort2(&padstate[1].pad); |
| 255 | |
| 256 | return 0xFF; |
| 257 | } |
| 258 | |
| 259 | void pad_init(void) |
| 260 | { |
| 261 | int i; |
| 262 | |
| 263 | PAD1_readPort1(&padstate[0].pad); |
| 264 | PAD2_readPort2(&padstate[1].pad); |
| 265 | |
| 266 | for (i = 0; i < 2; i++) { |
| 267 | padstate[i].PadID = padstate[i].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD ? 0x73 : 0x41; |
| 268 | padstate[i].PadMode = padstate[i].pad.controllerType == PSE_PAD_TYPE_ANALOGPAD; |
| 269 | } |
| 270 | } |