Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * $Id: db9.c,v 1.13 2002/04/07 20:13:37 vojtech Exp $ |
| 3 | * |
| 4 | * Copyright (c) 1999-2001 Vojtech Pavlik |
| 5 | * |
| 6 | * Based on the work of: |
| 7 | * Andree Borrmann Mats Sjövall |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick 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/kernel.h> |
| 35 | #include <linux/module.h> |
| 36 | #include <linux/moduleparam.h> |
| 37 | #include <linux/delay.h> |
| 38 | #include <linux/init.h> |
| 39 | #include <linux/parport.h> |
| 40 | #include <linux/input.h> |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 41 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); |
| 44 | MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver"); |
| 45 | MODULE_LICENSE("GPL"); |
| 46 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 47 | struct db9_config { |
| 48 | int args[2]; |
| 49 | int nargs; |
| 50 | }; |
| 51 | |
| 52 | #define DB9_MAX_PORTS 3 |
| 53 | static struct db9_config db9[DB9_MAX_PORTS] __initdata; |
| 54 | |
| 55 | module_param_array_named(dev, db9[0].args, int, &db9[0].nargs, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)"); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 57 | module_param_array_named(dev2, db9[1].args, int, &db9[0].nargs, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)"); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 59 | module_param_array_named(dev3, db9[2].args, int, &db9[2].nargs, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)"); |
| 61 | |
| 62 | __obsolete_setup("db9="); |
| 63 | __obsolete_setup("db9_2="); |
| 64 | __obsolete_setup("db9_3="); |
| 65 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 66 | #define DB9_ARG_PARPORT 0 |
| 67 | #define DB9_ARG_MODE 1 |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | #define DB9_MULTI_STICK 0x01 |
| 70 | #define DB9_MULTI2_STICK 0x02 |
| 71 | #define DB9_GENESIS_PAD 0x03 |
| 72 | #define DB9_GENESIS5_PAD 0x05 |
| 73 | #define DB9_GENESIS6_PAD 0x06 |
| 74 | #define DB9_SATURN_PAD 0x07 |
| 75 | #define DB9_MULTI_0802 0x08 |
| 76 | #define DB9_MULTI_0802_2 0x09 |
| 77 | #define DB9_CD32_PAD 0x0A |
| 78 | #define DB9_SATURN_DPP 0x0B |
| 79 | #define DB9_SATURN_DPP_2 0x0C |
| 80 | #define DB9_MAX_PAD 0x0D |
| 81 | |
| 82 | #define DB9_UP 0x01 |
| 83 | #define DB9_DOWN 0x02 |
| 84 | #define DB9_LEFT 0x04 |
| 85 | #define DB9_RIGHT 0x08 |
| 86 | #define DB9_FIRE1 0x10 |
| 87 | #define DB9_FIRE2 0x20 |
| 88 | #define DB9_FIRE3 0x40 |
| 89 | #define DB9_FIRE4 0x80 |
| 90 | |
| 91 | #define DB9_NORMAL 0x0a |
| 92 | #define DB9_NOSELECT 0x08 |
| 93 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | #define DB9_GENESIS6_DELAY 14 |
| 95 | #define DB9_REFRESH_TIME HZ/100 |
| 96 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 97 | #define DB9_MAX_DEVICES 2 |
| 98 | |
| 99 | struct db9_mode_data { |
| 100 | const char *name; |
| 101 | const short *buttons; |
| 102 | int n_buttons; |
| 103 | int n_pads; |
| 104 | int n_axis; |
| 105 | int bidirectional; |
| 106 | int reverse; |
| 107 | }; |
| 108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | struct db9 { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 110 | struct input_dev *dev[DB9_MAX_DEVICES]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | struct timer_list timer; |
| 112 | struct pardevice *pd; |
| 113 | int mode; |
| 114 | int used; |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 115 | struct mutex mutex; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 116 | char phys[DB9_MAX_DEVICES][32]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | static struct db9 *db9_base[3]; |
| 120 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 121 | static const short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; |
| 122 | static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; |
| 123 | static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | static const short db9_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_RZ, ABS_Z, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 125 | |
| 126 | static const struct db9_mode_data db9_modes[] = { |
| 127 | { NULL, NULL, 0, 0, 0, 0, 0 }, |
| 128 | { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, |
| 129 | { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 }, |
| 130 | { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 }, |
| 131 | { NULL, NULL, 0, 0, 0, 0, 0 }, |
| 132 | { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 }, |
| 133 | { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 }, |
| 134 | { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 }, |
| 135 | { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, |
| 136 | { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 }, |
| 137 | { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 }, |
| 138 | { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 }, |
| 139 | { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 }, |
| 140 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
| 142 | /* |
| 143 | * Saturn controllers |
| 144 | */ |
| 145 | #define DB9_SATURN_DELAY 300 |
| 146 | static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 }; |
| 147 | static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 }; |
| 148 | |
| 149 | /* |
| 150 | * db9_saturn_write_sub() writes 2 bit data. |
| 151 | */ |
| 152 | static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub) |
| 153 | { |
| 154 | unsigned char c; |
| 155 | |
| 156 | switch (type) { |
| 157 | case 1: /* DPP1 */ |
| 158 | c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data; |
| 159 | parport_write_data(port, c); |
| 160 | break; |
| 161 | case 2: /* DPP2 */ |
| 162 | c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03; |
| 163 | parport_write_data(port, c); |
| 164 | break; |
| 165 | case 0: /* DB9 */ |
| 166 | c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered; |
| 167 | parport_write_control(port, c); |
| 168 | break; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | /* |
| 173 | * gc_saturn_read_sub() reads 4 bit data. |
| 174 | */ |
| 175 | static unsigned char db9_saturn_read_sub(struct parport *port, int type) |
| 176 | { |
| 177 | unsigned char data; |
| 178 | |
| 179 | if (type) { |
| 180 | /* DPP */ |
| 181 | data = parport_read_status(port) ^ 0x80; |
| 182 | return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0) |
| 183 | | (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0); |
| 184 | } else { |
| 185 | /* DB9 */ |
| 186 | data = parport_read_data(port) & 0x0f; |
| 187 | return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0) |
| 188 | | (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | /* |
| 193 | * db9_saturn_read_analog() sends clock and reads 8 bit data. |
| 194 | */ |
| 195 | static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered) |
| 196 | { |
| 197 | unsigned char data; |
| 198 | |
| 199 | db9_saturn_write_sub(port, type, 0, powered, 0); |
| 200 | udelay(DB9_SATURN_DELAY); |
| 201 | data = db9_saturn_read_sub(port, type) << 4; |
| 202 | db9_saturn_write_sub(port, type, 2, powered, 0); |
| 203 | udelay(DB9_SATURN_DELAY); |
| 204 | data |= db9_saturn_read_sub(port, type); |
| 205 | return data; |
| 206 | } |
| 207 | |
| 208 | /* |
| 209 | * db9_saturn_read_packet() reads whole saturn packet at connector |
| 210 | * and returns device identifier code. |
| 211 | */ |
| 212 | static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered) |
| 213 | { |
| 214 | int i, j; |
| 215 | unsigned char tmp; |
| 216 | |
| 217 | db9_saturn_write_sub(port, type, 3, powered, 0); |
| 218 | data[0] = db9_saturn_read_sub(port, type); |
| 219 | switch (data[0] & 0x0f) { |
| 220 | case 0xf: |
| 221 | /* 1111 no pad */ |
| 222 | return data[0] = 0xff; |
| 223 | case 0x4: case 0x4 | 0x8: |
| 224 | /* ?100 : digital controller */ |
| 225 | db9_saturn_write_sub(port, type, 0, powered, 1); |
| 226 | data[2] = db9_saturn_read_sub(port, type) << 4; |
| 227 | db9_saturn_write_sub(port, type, 2, powered, 1); |
| 228 | data[1] = db9_saturn_read_sub(port, type) << 4; |
| 229 | db9_saturn_write_sub(port, type, 1, powered, 1); |
| 230 | data[1] |= db9_saturn_read_sub(port, type); |
| 231 | db9_saturn_write_sub(port, type, 3, powered, 1); |
| 232 | /* data[2] |= db9_saturn_read_sub(port, type); */ |
| 233 | data[2] |= data[0]; |
| 234 | return data[0] = 0x02; |
| 235 | case 0x1: |
| 236 | /* 0001 : analog controller or multitap */ |
| 237 | db9_saturn_write_sub(port, type, 2, powered, 0); |
| 238 | udelay(DB9_SATURN_DELAY); |
| 239 | data[0] = db9_saturn_read_analog(port, type, powered); |
| 240 | if (data[0] != 0x41) { |
| 241 | /* read analog controller */ |
| 242 | for (i = 0; i < (data[0] & 0x0f); i++) |
| 243 | data[i + 1] = db9_saturn_read_analog(port, type, powered); |
| 244 | db9_saturn_write_sub(port, type, 3, powered, 0); |
| 245 | return data[0]; |
| 246 | } else { |
| 247 | /* read multitap */ |
| 248 | if (db9_saturn_read_analog(port, type, powered) != 0x60) |
| 249 | return data[0] = 0xff; |
| 250 | for (i = 0; i < 60; i += 10) { |
| 251 | data[i] = db9_saturn_read_analog(port, type, powered); |
| 252 | if (data[i] != 0xff) |
| 253 | /* read each pad */ |
| 254 | for (j = 0; j < (data[i] & 0x0f); j++) |
| 255 | data[i + j + 1] = db9_saturn_read_analog(port, type, powered); |
| 256 | } |
| 257 | db9_saturn_write_sub(port, type, 3, powered, 0); |
| 258 | return 0x41; |
| 259 | } |
| 260 | case 0x0: |
| 261 | /* 0000 : mouse */ |
| 262 | db9_saturn_write_sub(port, type, 2, powered, 0); |
| 263 | udelay(DB9_SATURN_DELAY); |
| 264 | tmp = db9_saturn_read_analog(port, type, powered); |
| 265 | if (tmp == 0xff) { |
| 266 | for (i = 0; i < 3; i++) |
| 267 | data[i + 1] = db9_saturn_read_analog(port, type, powered); |
| 268 | db9_saturn_write_sub(port, type, 3, powered, 0); |
| 269 | return data[0] = 0xe3; |
| 270 | } |
| 271 | default: |
| 272 | return data[0]; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | /* |
| 277 | * db9_saturn_report() analyzes packet and reports. |
| 278 | */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 279 | static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | { |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 281 | struct input_dev *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | int tmp, i, j; |
| 283 | |
| 284 | tmp = (id == 0x41) ? 60 : 10; |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 285 | for (j = 0; j < tmp && n < max_pads; j += 10, n++) { |
| 286 | dev = devs[n]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | switch (data[j]) { |
| 288 | case 0x16: /* multi controller (analog 4 axis) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 289 | input_report_abs(dev, db9_abs[5], data[j + 6]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | case 0x15: /* mission stick (analog 3 axis) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 291 | input_report_abs(dev, db9_abs[3], data[j + 4]); |
| 292 | input_report_abs(dev, db9_abs[4], data[j + 5]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | case 0x13: /* racing controller (analog 1 axis) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 294 | input_report_abs(dev, db9_abs[2], data[j + 3]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */ |
| 296 | case 0x02: /* digital pad (digital 2 axis + buttons) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 297 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
| 298 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | for (i = 0; i < 9; i++) |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 300 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | break; |
| 302 | case 0x19: /* mission stick x2 (analog 6 axis + buttons) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 303 | input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); |
| 304 | input_report_abs(dev, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | for (i = 0; i < 9; i++) |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 306 | input_report_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); |
| 307 | input_report_abs(dev, db9_abs[2], data[j + 3]); |
| 308 | input_report_abs(dev, db9_abs[3], data[j + 4]); |
| 309 | input_report_abs(dev, db9_abs[4], data[j + 5]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | /* |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 311 | input_report_abs(dev, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1)); |
| 312 | input_report_abs(dev, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 314 | input_report_abs(dev, db9_abs[6], data[j + 7]); |
| 315 | input_report_abs(dev, db9_abs[7], data[j + 8]); |
| 316 | input_report_abs(dev, db9_abs[5], data[j + 9]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | break; |
| 318 | case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 319 | input_report_key(dev, BTN_A, data[j + 3] & 0x80); |
| 320 | input_report_abs(dev, db9_abs[2], data[j + 3] & 0x7f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | break; |
| 322 | case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 323 | input_report_key(dev, BTN_START, data[j + 1] & 0x08); |
| 324 | input_report_key(dev, BTN_A, data[j + 1] & 0x04); |
| 325 | input_report_key(dev, BTN_C, data[j + 1] & 0x02); |
| 326 | input_report_key(dev, BTN_B, data[j + 1] & 0x01); |
| 327 | input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80); |
| 328 | input_report_abs(dev, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | break; |
| 330 | case 0xff: |
| 331 | default: /* no pad */ |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 332 | input_report_abs(dev, db9_abs[0], 0); |
| 333 | input_report_abs(dev, db9_abs[1], 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | for (i = 0; i < 9; i++) |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 335 | input_report_key(dev, db9_cd32_btn[i], 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | break; |
| 337 | } |
| 338 | } |
| 339 | return n; |
| 340 | } |
| 341 | |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 342 | static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | { |
| 344 | unsigned char id, data[60]; |
| 345 | int type, n, max_pads; |
| 346 | int tmp, i; |
| 347 | |
| 348 | switch (mode) { |
| 349 | case DB9_SATURN_PAD: |
| 350 | type = 0; |
| 351 | n = 1; |
| 352 | break; |
| 353 | case DB9_SATURN_DPP: |
| 354 | type = 1; |
| 355 | n = 1; |
| 356 | break; |
| 357 | case DB9_SATURN_DPP_2: |
| 358 | type = 1; |
| 359 | n = 2; |
| 360 | break; |
| 361 | default: |
| 362 | return -1; |
| 363 | } |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 364 | max_pads = min(db9_modes[mode].n_pads, DB9_MAX_DEVICES); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | for (tmp = 0, i = 0; i < n; i++) { |
| 366 | id = db9_saturn_read_packet(port, data, type + i, 1); |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 367 | tmp = db9_saturn_report(id, data, devs, tmp, max_pads); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | } |
| 369 | return 0; |
| 370 | } |
| 371 | |
| 372 | static void db9_timer(unsigned long private) |
| 373 | { |
| 374 | struct db9 *db9 = (void *) private; |
| 375 | struct parport *port = db9->pd->port; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 376 | struct input_dev *dev = db9->dev[0]; |
| 377 | struct input_dev *dev2 = db9->dev[1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | int data, i; |
| 379 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 380 | switch (db9->mode) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | case DB9_MULTI_0802_2: |
| 382 | |
| 383 | data = parport_read_data(port) >> 3; |
| 384 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 385 | input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 386 | input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 387 | input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | |
| 389 | case DB9_MULTI_0802: |
| 390 | |
| 391 | data = parport_read_status(port) >> 3; |
| 392 | |
| 393 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 394 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 395 | input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1); |
| 396 | break; |
| 397 | |
| 398 | case DB9_MULTI_STICK: |
| 399 | |
| 400 | data = parport_read_data(port); |
| 401 | |
| 402 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 403 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 404 | input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); |
| 405 | break; |
| 406 | |
| 407 | case DB9_MULTI2_STICK: |
| 408 | |
| 409 | data = parport_read_data(port); |
| 410 | |
| 411 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 412 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 413 | input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); |
| 414 | input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2); |
| 415 | break; |
| 416 | |
| 417 | case DB9_GENESIS_PAD: |
| 418 | |
| 419 | parport_write_control(port, DB9_NOSELECT); |
| 420 | data = parport_read_data(port); |
| 421 | |
| 422 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 423 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 424 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); |
| 425 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); |
| 426 | |
| 427 | parport_write_control(port, DB9_NORMAL); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 428 | data = parport_read_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | |
| 430 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); |
| 431 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); |
| 432 | break; |
| 433 | |
| 434 | case DB9_GENESIS5_PAD: |
| 435 | |
| 436 | parport_write_control(port, DB9_NOSELECT); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 437 | data = parport_read_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | |
| 439 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 440 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 441 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); |
| 442 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); |
| 443 | |
| 444 | parport_write_control(port, DB9_NORMAL); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 445 | data = parport_read_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | |
| 447 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); |
| 448 | input_report_key(dev, BTN_X, ~data & DB9_FIRE2); |
| 449 | input_report_key(dev, BTN_Y, ~data & DB9_LEFT); |
| 450 | input_report_key(dev, BTN_START, ~data & DB9_RIGHT); |
| 451 | break; |
| 452 | |
| 453 | case DB9_GENESIS6_PAD: |
| 454 | |
| 455 | parport_write_control(port, DB9_NOSELECT); /* 1 */ |
| 456 | udelay(DB9_GENESIS6_DELAY); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 457 | data = parport_read_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | |
| 459 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 460 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 461 | input_report_key(dev, BTN_B, ~data & DB9_FIRE1); |
| 462 | input_report_key(dev, BTN_C, ~data & DB9_FIRE2); |
| 463 | |
| 464 | parport_write_control(port, DB9_NORMAL); |
| 465 | udelay(DB9_GENESIS6_DELAY); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 466 | data = parport_read_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | |
| 468 | input_report_key(dev, BTN_A, ~data & DB9_FIRE1); |
| 469 | input_report_key(dev, BTN_START, ~data & DB9_FIRE2); |
| 470 | |
| 471 | parport_write_control(port, DB9_NOSELECT); /* 2 */ |
| 472 | udelay(DB9_GENESIS6_DELAY); |
| 473 | parport_write_control(port, DB9_NORMAL); |
| 474 | udelay(DB9_GENESIS6_DELAY); |
| 475 | parport_write_control(port, DB9_NOSELECT); /* 3 */ |
| 476 | udelay(DB9_GENESIS6_DELAY); |
| 477 | data=parport_read_data(port); |
| 478 | |
| 479 | input_report_key(dev, BTN_X, ~data & DB9_LEFT); |
| 480 | input_report_key(dev, BTN_Y, ~data & DB9_DOWN); |
| 481 | input_report_key(dev, BTN_Z, ~data & DB9_UP); |
| 482 | input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT); |
| 483 | |
| 484 | parport_write_control(port, DB9_NORMAL); |
| 485 | udelay(DB9_GENESIS6_DELAY); |
| 486 | parport_write_control(port, DB9_NOSELECT); /* 4 */ |
| 487 | udelay(DB9_GENESIS6_DELAY); |
| 488 | parport_write_control(port, DB9_NORMAL); |
| 489 | break; |
| 490 | |
| 491 | case DB9_SATURN_PAD: |
| 492 | case DB9_SATURN_DPP: |
| 493 | case DB9_SATURN_DPP_2: |
| 494 | |
Dmitry Torokhov | 84c6189 | 2006-01-29 21:51:31 -0500 | [diff] [blame] | 495 | db9_saturn(db9->mode, port, db9->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | break; |
| 497 | |
| 498 | case DB9_CD32_PAD: |
| 499 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 500 | data = parport_read_data(port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | |
| 502 | input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); |
| 503 | input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); |
| 504 | |
| 505 | parport_write_control(port, 0x0a); |
| 506 | |
| 507 | for (i = 0; i < 7; i++) { |
| 508 | data = parport_read_data(port); |
| 509 | parport_write_control(port, 0x02); |
| 510 | parport_write_control(port, 0x0a); |
| 511 | input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 512 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | |
| 514 | parport_write_control(port, 0x00); |
| 515 | break; |
| 516 | } |
| 517 | |
| 518 | input_sync(dev); |
| 519 | |
| 520 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); |
| 521 | } |
| 522 | |
| 523 | static int db9_open(struct input_dev *dev) |
| 524 | { |
| 525 | struct db9 *db9 = dev->private; |
| 526 | struct parport *port = db9->pd->port; |
Dmitry Torokhov | 8b1a198 | 2005-05-29 02:29:52 -0500 | [diff] [blame] | 527 | int err; |
| 528 | |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 529 | err = mutex_lock_interruptible(&db9->mutex); |
Dmitry Torokhov | 8b1a198 | 2005-05-29 02:29:52 -0500 | [diff] [blame] | 530 | if (err) |
| 531 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | |
| 533 | if (!db9->used++) { |
| 534 | parport_claim(db9->pd); |
| 535 | parport_write_data(port, 0xff); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 536 | if (db9_modes[db9->mode].reverse) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | parport_data_reverse(port); |
| 538 | parport_write_control(port, DB9_NORMAL); |
| 539 | } |
| 540 | mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); |
| 541 | } |
| 542 | |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 543 | mutex_unlock(&db9->mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | return 0; |
| 545 | } |
| 546 | |
| 547 | static void db9_close(struct input_dev *dev) |
| 548 | { |
| 549 | struct db9 *db9 = dev->private; |
| 550 | struct parport *port = db9->pd->port; |
| 551 | |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 552 | mutex_lock(&db9->mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | if (!--db9->used) { |
Dmitry Torokhov | 8b1a198 | 2005-05-29 02:29:52 -0500 | [diff] [blame] | 554 | del_timer_sync(&db9->timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | parport_write_control(port, 0x00); |
| 556 | parport_data_forward(port); |
| 557 | parport_release(db9->pd); |
| 558 | } |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 559 | mutex_unlock(&db9->mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | } |
| 561 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 562 | static struct db9 __init *db9_probe(int parport, int mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | { |
| 564 | struct db9 *db9; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 565 | const struct db9_mode_data *db9_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | struct parport *pp; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 567 | struct pardevice *pd; |
| 568 | struct input_dev *input_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | int i, j; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 570 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 572 | if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) { |
| 573 | printk(KERN_ERR "db9.c: Bad device type %d\n", mode); |
| 574 | err = -EINVAL; |
| 575 | goto err_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | } |
| 577 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 578 | db9_mode = &db9_modes[mode]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 580 | pp = parport_find_number(parport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | if (!pp) { |
| 582 | printk(KERN_ERR "db9.c: no such parport\n"); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 583 | err = -ENODEV; |
| 584 | goto err_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | } |
| 586 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 587 | if (db9_mode[mode].bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) { |
| 588 | printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); |
| 589 | err = -EINVAL; |
| 590 | goto err_put_pp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 591 | } |
| 592 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 593 | pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); |
| 594 | if (!pd) { |
| 595 | printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); |
| 596 | err = -EBUSY; |
| 597 | goto err_put_pp; |
| 598 | } |
| 599 | |
| 600 | db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); |
| 601 | if (!db9) { |
| 602 | printk(KERN_ERR "db9.c: Not enough memory\n"); |
| 603 | err = -ENOMEM; |
| 604 | goto err_unreg_pardev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | |
Ingo Molnar | 72ba9f0 | 2006-02-19 00:22:30 -0500 | [diff] [blame] | 607 | mutex_init(&db9->mutex); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 608 | db9->pd = pd; |
| 609 | db9->mode = mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | init_timer(&db9->timer); |
| 611 | db9->timer.data = (long) db9; |
| 612 | db9->timer.function = db9_timer; |
| 613 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 614 | for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 616 | db9->dev[i] = input_dev = input_allocate_device(); |
| 617 | if (!input_dev) { |
| 618 | printk(KERN_ERR "db9.c: Not enough memory for input device\n"); |
| 619 | err = -ENOMEM; |
Dmitry Torokhov | 2e9d675 | 2006-01-29 21:51:36 -0500 | [diff] [blame] | 620 | goto err_unreg_devs; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 621 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | |
| 623 | sprintf(db9->phys[i], "%s/input%d", db9->pd->port->name, i); |
| 624 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 625 | input_dev->name = db9_mode->name; |
| 626 | input_dev->phys = db9->phys[i]; |
| 627 | input_dev->id.bustype = BUS_PARPORT; |
| 628 | input_dev->id.vendor = 0x0002; |
| 629 | input_dev->id.product = mode; |
| 630 | input_dev->id.version = 0x0100; |
| 631 | input_dev->private = db9; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 632 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 633 | input_dev->open = db9_open; |
| 634 | input_dev->close = db9_close; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 635 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 636 | input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); |
| 637 | for (j = 0; j < db9_mode->n_buttons; j++) |
| 638 | set_bit(db9_mode->buttons[j], input_dev->keybit); |
| 639 | for (j = 0; j < db9_mode->n_axis; j++) { |
| 640 | if (j < 2) |
| 641 | input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0); |
| 642 | else |
| 643 | input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | } |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 645 | |
Dmitry Torokhov | 2e9d675 | 2006-01-29 21:51:36 -0500 | [diff] [blame] | 646 | err = input_register_device(input_dev); |
| 647 | if (err) |
| 648 | goto err_free_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | } |
| 650 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 651 | parport_put_port(pp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | return db9; |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 653 | |
Dmitry Torokhov | 2e9d675 | 2006-01-29 21:51:36 -0500 | [diff] [blame] | 654 | err_free_dev: |
| 655 | input_free_device(db9->dev[i]); |
| 656 | err_unreg_devs: |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 657 | while (--i >= 0) |
| 658 | input_unregister_device(db9->dev[i]); |
| 659 | kfree(db9); |
| 660 | err_unreg_pardev: |
| 661 | parport_unregister_device(pd); |
| 662 | err_put_pp: |
| 663 | parport_put_port(pp); |
| 664 | err_out: |
| 665 | return ERR_PTR(err); |
| 666 | } |
| 667 | |
Dmitry Torokhov | 2e9d675 | 2006-01-29 21:51:36 -0500 | [diff] [blame] | 668 | static void db9_remove(struct db9 *db9) |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 669 | { |
| 670 | int i; |
| 671 | |
| 672 | for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++) |
| 673 | input_unregister_device(db9->dev[i]); |
| 674 | parport_unregister_device(db9->pd); |
| 675 | kfree(db9); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | static int __init db9_init(void) |
| 679 | { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 680 | int i; |
| 681 | int have_dev = 0; |
| 682 | int err = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 684 | for (i = 0; i < DB9_MAX_PORTS; i++) { |
| 685 | if (db9[i].nargs == 0 || db9[i].args[DB9_ARG_PARPORT] < 0) |
| 686 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 688 | if (db9[i].nargs < 2) { |
| 689 | printk(KERN_ERR "db9.c: Device type must be specified.\n"); |
| 690 | err = -EINVAL; |
| 691 | break; |
| 692 | } |
| 693 | |
| 694 | db9_base[i] = db9_probe(db9[i].args[DB9_ARG_PARPORT], |
| 695 | db9[i].args[DB9_ARG_MODE]); |
| 696 | if (IS_ERR(db9_base[i])) { |
| 697 | err = PTR_ERR(db9_base[i]); |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | have_dev = 1; |
| 702 | } |
| 703 | |
| 704 | if (err) { |
| 705 | while (--i >= 0) |
Dmitry Torokhov | 2e9d675 | 2006-01-29 21:51:36 -0500 | [diff] [blame] | 706 | if (db9_base[i]) |
| 707 | db9_remove(db9_base[i]); |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 708 | return err; |
| 709 | } |
| 710 | |
| 711 | return have_dev ? 0 : -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | } |
| 713 | |
| 714 | static void __exit db9_exit(void) |
| 715 | { |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 716 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 717 | |
Dmitry Torokhov | 17dd3f0 | 2005-09-15 02:01:52 -0500 | [diff] [blame] | 718 | for (i = 0; i < DB9_MAX_PORTS; i++) |
| 719 | if (db9_base[i]) |
| 720 | db9_remove(db9_base[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | } |
| 722 | |
| 723 | module_init(db9_init); |
| 724 | module_exit(db9_exit); |