Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * $Id: tmdc.c,v 1.31 2002/01/22 20:29:52 vojtech Exp $ |
| 3 | * |
| 4 | * Copyright (c) 1998-2001 Vojtech Pavlik |
| 5 | * |
| 6 | * Based on the work of: |
| 7 | * Trystan Larey-Williams |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * ThrustMaster DirectConnect (BSP) joystick family driver for Linux |
| 12 | */ |
| 13 | |
| 14 | /* |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License as published by |
| 17 | * the Free Software Foundation; either version 2 of the License, or |
| 18 | * (at your option) any later version. |
| 19 | * |
| 20 | * This program is distributed in the hope that it will be useful, |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | * GNU General Public License for more details. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License |
| 26 | * along with this program; if not, write to the Free Software |
| 27 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 28 | * |
| 29 | * Should you need to contact me, the author, you can do so either by |
| 30 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
| 31 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
| 32 | */ |
| 33 | |
| 34 | #include <linux/delay.h> |
| 35 | #include <linux/kernel.h> |
| 36 | #include <linux/slab.h> |
| 37 | #include <linux/module.h> |
| 38 | #include <linux/init.h> |
| 39 | #include <linux/gameport.h> |
| 40 | #include <linux/input.h> |
Tim Schmielau | 4e57b68 | 2005-10-30 15:03:48 -0800 | [diff] [blame] | 41 | #include <linux/jiffies.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | #define DRIVER_DESC "ThrustMaster DirectConnect joystick driver" |
| 44 | |
| 45 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); |
| 46 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 47 | MODULE_LICENSE("GPL"); |
| 48 | |
| 49 | #define TMDC_MAX_START 600 /* 600 us */ |
| 50 | #define TMDC_MAX_STROBE 60 /* 60 us */ |
| 51 | #define TMDC_MAX_LENGTH 13 |
| 52 | |
| 53 | #define TMDC_MODE_M3DI 1 |
| 54 | #define TMDC_MODE_3DRP 3 |
| 55 | #define TMDC_MODE_AT 4 |
| 56 | #define TMDC_MODE_FM 8 |
| 57 | #define TMDC_MODE_FGP 163 |
| 58 | |
| 59 | #define TMDC_BYTE_ID 10 |
| 60 | #define TMDC_BYTE_REV 11 |
| 61 | #define TMDC_BYTE_DEF 12 |
| 62 | |
| 63 | #define TMDC_ABS 7 |
| 64 | #define TMDC_ABS_HAT 4 |
| 65 | #define TMDC_BTN 16 |
| 66 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 67 | static const unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 }; |
| 68 | static const unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 70 | static const signed char tmdc_abs[TMDC_ABS] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | { ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE, ABS_RX, ABS_RY, ABS_RZ }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 72 | static const signed char tmdc_abs_hat[TMDC_ABS_HAT] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | { ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 74 | static const signed char tmdc_abs_at[TMDC_ABS] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | { ABS_X, ABS_Y, ABS_RUDDER, -1, ABS_THROTTLE }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 76 | static const signed char tmdc_abs_fm[TMDC_ABS] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | { ABS_RX, ABS_RY, ABS_X, ABS_Y }; |
| 78 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 79 | static const short tmdc_btn_pad[TMDC_BTN] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_START, BTN_SELECT, BTN_TL, BTN_TR }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 81 | static const short tmdc_btn_joy[TMDC_BTN] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_THUMB2, BTN_PINKIE, |
Dmitry Torokhov | ab0c344 | 2005-05-29 02:28:55 -0500 | [diff] [blame] | 83 | BTN_BASE3, BTN_BASE4, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 84 | static const short tmdc_btn_fm[TMDC_BTN] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | { BTN_TRIGGER, BTN_C, BTN_B, BTN_A, BTN_THUMB, BTN_X, BTN_Y, BTN_Z, BTN_TOP, BTN_TOP2 }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 86 | static const short tmdc_btn_at[TMDC_BTN] = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | { BTN_TRIGGER, BTN_THUMB2, BTN_PINKIE, BTN_THUMB, BTN_BASE6, BTN_BASE5, BTN_BASE4, |
| 88 | BTN_BASE3, BTN_BASE2, BTN_BASE }; |
| 89 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 90 | static const struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | int x; |
| 92 | int y; |
| 93 | } tmdc_hat_to_axis[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}}; |
| 94 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 95 | static const struct tmdc_model { |
| 96 | unsigned char id; |
| 97 | const char *name; |
| 98 | char abs; |
| 99 | char hats; |
| 100 | char btnc[4]; |
| 101 | char btno[4]; |
| 102 | const signed char *axes; |
| 103 | const short *buttons; |
| 104 | } tmdc_models[] = { |
| 105 | { 1, "ThrustMaster Millenium 3D Inceptor", 6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs, tmdc_btn_joy }, |
| 106 | { 3, "ThrustMaster Rage 3D Gamepad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, |
| 107 | { 4, "ThrustMaster Attack Throttle", 5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at, tmdc_btn_at }, |
| 108 | { 8, "ThrustMaster FragMaster", 4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm, tmdc_btn_fm }, |
| 109 | { 163, "Thrustmaster Fusion GamePad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, |
| 110 | { 0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs, tmdc_btn_joy } |
| 111 | }; |
| 112 | |
| 113 | |
| 114 | struct tmdc_port { |
| 115 | struct input_dev *dev; |
| 116 | char name[64]; |
| 117 | char phys[32]; |
| 118 | int mode; |
| 119 | const signed char *abs; |
| 120 | const short *btn; |
| 121 | unsigned char absc; |
| 122 | unsigned char btnc[4]; |
| 123 | unsigned char btno[4]; |
| 124 | }; |
| 125 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | struct tmdc { |
| 127 | struct gameport *gameport; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 128 | struct tmdc_port *port[2]; |
| 129 | #if 0 |
| 130 | struct input_dev *dev[2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | char name[2][64]; |
| 132 | char phys[2][32]; |
| 133 | int mode[2]; |
| 134 | signed char *abs[2]; |
| 135 | short *btn[2]; |
| 136 | unsigned char absc[2]; |
| 137 | unsigned char btnc[2][4]; |
| 138 | unsigned char btno[2][4]; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 139 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | int reads; |
| 141 | int bads; |
| 142 | unsigned char exists; |
| 143 | }; |
| 144 | |
| 145 | /* |
| 146 | * tmdc_read_packet() reads a ThrustMaster packet. |
| 147 | */ |
| 148 | |
| 149 | static int tmdc_read_packet(struct gameport *gameport, unsigned char data[2][TMDC_MAX_LENGTH]) |
| 150 | { |
| 151 | unsigned char u, v, w, x; |
| 152 | unsigned long flags; |
| 153 | int i[2], j[2], t[2], p, k; |
| 154 | |
| 155 | p = gameport_time(gameport, TMDC_MAX_STROBE); |
| 156 | |
| 157 | for (k = 0; k < 2; k++) { |
| 158 | t[k] = gameport_time(gameport, TMDC_MAX_START); |
| 159 | i[k] = j[k] = 0; |
| 160 | } |
| 161 | |
| 162 | local_irq_save(flags); |
| 163 | gameport_trigger(gameport); |
| 164 | |
| 165 | w = gameport_read(gameport) >> 4; |
| 166 | |
| 167 | do { |
| 168 | x = w; |
| 169 | w = gameport_read(gameport) >> 4; |
| 170 | |
| 171 | for (k = 0, v = w, u = x; k < 2; k++, v >>= 2, u >>= 2) { |
| 172 | if (~v & u & 2) { |
| 173 | if (t[k] <= 0 || i[k] >= TMDC_MAX_LENGTH) continue; |
| 174 | t[k] = p; |
| 175 | if (j[k] == 0) { /* Start bit */ |
| 176 | if (~v & 1) t[k] = 0; |
| 177 | data[k][i[k]] = 0; j[k]++; continue; |
| 178 | } |
| 179 | if (j[k] == 9) { /* Stop bit */ |
| 180 | if (v & 1) t[k] = 0; |
| 181 | j[k] = 0; i[k]++; continue; |
| 182 | } |
| 183 | data[k][i[k]] |= (~v & 1) << (j[k]++ - 1); /* Data bit */ |
| 184 | } |
| 185 | t[k]--; |
| 186 | } |
| 187 | } while (t[0] > 0 || t[1] > 0); |
| 188 | |
| 189 | local_irq_restore(flags); |
| 190 | |
| 191 | return (i[0] == TMDC_MAX_LENGTH) | ((i[1] == TMDC_MAX_LENGTH) << 1); |
| 192 | } |
| 193 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 194 | static int tmdc_parse_packet(struct tmdc_port *port, unsigned char *data) |
| 195 | { |
| 196 | int i, k, l; |
| 197 | |
| 198 | if (data[TMDC_BYTE_ID] != port->mode) |
| 199 | return -1; |
| 200 | |
| 201 | for (i = 0; i < port->absc; i++) { |
| 202 | if (port->abs[i] < 0) |
| 203 | return 0; |
| 204 | |
| 205 | input_report_abs(port->dev, port->abs[i], data[tmdc_byte_a[i]]); |
| 206 | } |
| 207 | |
| 208 | switch (port->mode) { |
| 209 | |
| 210 | case TMDC_MODE_M3DI: |
| 211 | |
| 212 | i = tmdc_byte_d[0]; |
| 213 | input_report_abs(port->dev, ABS_HAT0X, ((data[i] >> 3) & 1) - ((data[i] >> 1) & 1)); |
| 214 | input_report_abs(port->dev, ABS_HAT0Y, ((data[i] >> 2) & 1) - ( data[i] & 1)); |
| 215 | break; |
| 216 | |
| 217 | case TMDC_MODE_AT: |
| 218 | |
| 219 | i = tmdc_byte_a[3]; |
| 220 | input_report_abs(port->dev, ABS_HAT0X, tmdc_hat_to_axis[(data[i] - 141) / 25].x); |
| 221 | input_report_abs(port->dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[i] - 141) / 25].y); |
| 222 | break; |
| 223 | |
| 224 | } |
| 225 | |
| 226 | for (k = l = 0; k < 4; k++) { |
| 227 | for (i = 0; i < port->btnc[k]; i++) |
| 228 | input_report_key(port->dev, port->btn[i + l], |
| 229 | ((data[tmdc_byte_d[k]] >> (i + port->btno[k])) & 1)); |
| 230 | l += port->btnc[k]; |
| 231 | } |
| 232 | |
| 233 | input_sync(port->dev); |
| 234 | |
| 235 | return 0; |
| 236 | } |
| 237 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | /* |
| 239 | * tmdc_poll() reads and analyzes ThrustMaster joystick data. |
| 240 | */ |
| 241 | |
| 242 | static void tmdc_poll(struct gameport *gameport) |
| 243 | { |
| 244 | unsigned char data[2][TMDC_MAX_LENGTH]; |
| 245 | struct tmdc *tmdc = gameport_get_drvdata(gameport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | unsigned char r, bad = 0; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 247 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | |
| 249 | tmdc->reads++; |
| 250 | |
| 251 | if ((r = tmdc_read_packet(tmdc->gameport, data)) != tmdc->exists) |
| 252 | bad = 1; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 253 | else { |
| 254 | for (i = 0; i < 2; i++) { |
| 255 | if (r & (1 << i) & tmdc->exists) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 257 | if (tmdc_parse_packet(tmdc->port[i], data[i])) |
| 258 | bad = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | } |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 260 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | } |
| 262 | |
| 263 | tmdc->bads += bad; |
| 264 | } |
| 265 | |
| 266 | static int tmdc_open(struct input_dev *dev) |
| 267 | { |
Dmitry Torokhov | 8715c1c | 2007-04-12 01:34:14 -0400 | [diff] [blame] | 268 | struct tmdc *tmdc = input_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | |
| 270 | gameport_start_polling(tmdc->gameport); |
| 271 | return 0; |
| 272 | } |
| 273 | |
| 274 | static void tmdc_close(struct input_dev *dev) |
| 275 | { |
Dmitry Torokhov | 8715c1c | 2007-04-12 01:34:14 -0400 | [diff] [blame] | 276 | struct tmdc *tmdc = input_get_drvdata(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | |
| 278 | gameport_stop_polling(tmdc->gameport); |
| 279 | } |
| 280 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 281 | static int tmdc_setup_port(struct tmdc *tmdc, int idx, unsigned char *data) |
| 282 | { |
| 283 | const struct tmdc_model *model; |
| 284 | struct tmdc_port *port; |
| 285 | struct input_dev *input_dev; |
| 286 | int i, j, b = 0; |
Dmitry Torokhov | 4d462b9 | 2006-01-29 21:52:26 -0500 | [diff] [blame] | 287 | int err; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 288 | |
| 289 | tmdc->port[idx] = port = kzalloc(sizeof (struct tmdc_port), GFP_KERNEL); |
| 290 | input_dev = input_allocate_device(); |
| 291 | if (!port || !input_dev) { |
Dmitry Torokhov | 4d462b9 | 2006-01-29 21:52:26 -0500 | [diff] [blame] | 292 | err = -ENOMEM; |
| 293 | goto fail; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | port->mode = data[TMDC_BYTE_ID]; |
| 297 | |
| 298 | for (model = tmdc_models; model->id && model->id != port->mode; model++) |
| 299 | /* empty */; |
| 300 | |
| 301 | port->abs = model->axes; |
| 302 | port->btn = model->buttons; |
| 303 | |
| 304 | if (!model->id) { |
| 305 | port->absc = data[TMDC_BYTE_DEF] >> 4; |
| 306 | for (i = 0; i < 4; i++) |
| 307 | port->btnc[i] = i < (data[TMDC_BYTE_DEF] & 0xf) ? 8 : 0; |
| 308 | } else { |
| 309 | port->absc = model->abs; |
| 310 | for (i = 0; i < 4; i++) |
| 311 | port->btnc[i] = model->btnc[i]; |
| 312 | } |
| 313 | |
| 314 | for (i = 0; i < 4; i++) |
| 315 | port->btno[i] = model->btno[i]; |
| 316 | |
| 317 | snprintf(port->name, sizeof(port->name), model->name, |
| 318 | port->absc, (data[TMDC_BYTE_DEF] & 0xf) << 3, port->mode); |
| 319 | snprintf(port->phys, sizeof(port->phys), "%s/input%d", tmdc->gameport->phys, i); |
| 320 | |
| 321 | port->dev = input_dev; |
| 322 | |
| 323 | input_dev->name = port->name; |
| 324 | input_dev->phys = port->phys; |
| 325 | input_dev->id.bustype = BUS_GAMEPORT; |
| 326 | input_dev->id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER; |
| 327 | input_dev->id.product = model->id; |
| 328 | input_dev->id.version = 0x0100; |
Dmitry Torokhov | 935e658 | 2007-04-12 01:35:26 -0400 | [diff] [blame] | 329 | input_dev->dev.parent = &tmdc->gameport->dev; |
Dmitry Torokhov | 8715c1c | 2007-04-12 01:34:14 -0400 | [diff] [blame] | 330 | |
| 331 | input_set_drvdata(input_dev, tmdc); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 332 | |
| 333 | input_dev->open = tmdc_open; |
| 334 | input_dev->close = tmdc_close; |
| 335 | |
| 336 | input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); |
| 337 | |
| 338 | for (i = 0; i < port->absc && i < TMDC_ABS; i++) |
| 339 | if (port->abs[i] >= 0) |
| 340 | input_set_abs_params(input_dev, port->abs[i], 8, 248, 2, 4); |
| 341 | |
| 342 | for (i = 0; i < model->hats && i < TMDC_ABS_HAT; i++) |
| 343 | input_set_abs_params(input_dev, tmdc_abs_hat[i], -1, 1, 0, 0); |
| 344 | |
| 345 | for (i = 0; i < 4; i++) { |
| 346 | for (j = 0; j < port->btnc[i] && j < TMDC_BTN; j++) |
| 347 | set_bit(port->btn[j + b], input_dev->keybit); |
| 348 | b += port->btnc[i]; |
| 349 | } |
| 350 | |
Dmitry Torokhov | 4d462b9 | 2006-01-29 21:52:26 -0500 | [diff] [blame] | 351 | err = input_register_device(port->dev); |
| 352 | if (err) |
| 353 | goto fail; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 354 | |
| 355 | return 0; |
Dmitry Torokhov | 4d462b9 | 2006-01-29 21:52:26 -0500 | [diff] [blame] | 356 | |
| 357 | fail: input_free_device(input_dev); |
| 358 | kfree(port); |
| 359 | return err; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 360 | } |
| 361 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | /* |
| 363 | * tmdc_probe() probes for ThrustMaster type joysticks. |
| 364 | */ |
| 365 | |
| 366 | static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv) |
| 367 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | unsigned char data[2][TMDC_MAX_LENGTH]; |
| 369 | struct tmdc *tmdc; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 370 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | int err; |
| 372 | |
Pekka Enberg | a97e148 | 2005-09-06 15:18:33 -0700 | [diff] [blame] | 373 | if (!(tmdc = kzalloc(sizeof(struct tmdc), GFP_KERNEL))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | return -ENOMEM; |
| 375 | |
| 376 | tmdc->gameport = gameport; |
| 377 | |
| 378 | gameport_set_drvdata(gameport, tmdc); |
| 379 | |
| 380 | err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); |
| 381 | if (err) |
| 382 | goto fail1; |
| 383 | |
| 384 | if (!(tmdc->exists = tmdc_read_packet(gameport, data))) { |
| 385 | err = -ENODEV; |
| 386 | goto fail2; |
| 387 | } |
| 388 | |
| 389 | gameport_set_poll_handler(gameport, tmdc_poll); |
| 390 | gameport_set_poll_interval(gameport, 20); |
| 391 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 392 | for (i = 0; i < 2; i++) { |
| 393 | if (tmdc->exists & (1 << i)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 395 | err = tmdc_setup_port(tmdc, i, data[i]); |
| 396 | if (err) |
| 397 | goto fail3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | } |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 399 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | |
| 401 | return 0; |
| 402 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 403 | fail3: while (--i >= 0) { |
| 404 | if (tmdc->port[i]) { |
| 405 | input_unregister_device(tmdc->port[i]->dev); |
| 406 | kfree(tmdc->port[i]); |
| 407 | } |
| 408 | } |
| 409 | fail2: gameport_close(gameport); |
| 410 | fail1: gameport_set_drvdata(gameport, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | kfree(tmdc); |
| 412 | return err; |
| 413 | } |
| 414 | |
| 415 | static void tmdc_disconnect(struct gameport *gameport) |
| 416 | { |
| 417 | struct tmdc *tmdc = gameport_get_drvdata(gameport); |
| 418 | int i; |
| 419 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 420 | for (i = 0; i < 2; i++) { |
| 421 | if (tmdc->port[i]) { |
| 422 | input_unregister_device(tmdc->port[i]->dev); |
| 423 | kfree(tmdc->port[i]); |
| 424 | } |
| 425 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | gameport_close(gameport); |
| 427 | gameport_set_drvdata(gameport, NULL); |
| 428 | kfree(tmdc); |
| 429 | } |
| 430 | |
| 431 | static struct gameport_driver tmdc_drv = { |
| 432 | .driver = { |
| 433 | .name = "tmdc", |
Dmitry Torokhov | 4d462b9 | 2006-01-29 21:52:26 -0500 | [diff] [blame] | 434 | .owner = THIS_MODULE, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | }, |
| 436 | .description = DRIVER_DESC, |
| 437 | .connect = tmdc_connect, |
| 438 | .disconnect = tmdc_disconnect, |
| 439 | }; |
| 440 | |
| 441 | static int __init tmdc_init(void) |
| 442 | { |
| 443 | gameport_register_driver(&tmdc_drv); |
| 444 | return 0; |
| 445 | } |
| 446 | |
| 447 | static void __exit tmdc_exit(void) |
| 448 | { |
| 449 | gameport_unregister_driver(&tmdc_drv); |
| 450 | } |
| 451 | |
| 452 | module_init(tmdc_init); |
| 453 | module_exit(tmdc_exit); |