1 /* 2 * Sony Programmable I/O Control Device driver for VAIO 3 * 4 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it> 5 * 6 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 7 * 8 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 9 * 10 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 11 * 12 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 13 * 14 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 15 * 16 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 17 * 18 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 19 * 20 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 21 * 22 * This program is free software; you can redistribute it and/or modify 23 * it under the terms of the GNU General Public License as published by 24 * the Free Software Foundation; either version 2 of the License, or 25 * (at your option) any later version. 26 * 27 * This program is distributed in the hope that it will be useful, 28 * but WITHOUT ANY WARRANTY; without even the implied warranty of 29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 30 * GNU General Public License for more details. 31 * 32 * You should have received a copy of the GNU General Public License 33 * along with this program; if not, write to the Free Software 34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 35 * 36 */ 37 38 #include <linux/module.h> 39 #include <linux/sched.h> 40 #include <linux/input.h> 41 #include <linux/pci.h> 42 #include <linux/init.h> 43 #include <linux/interrupt.h> 44 #include <linux/miscdevice.h> 45 #include <linux/poll.h> 46 #include <linux/delay.h> 47 #include <linux/wait.h> 48 #include <linux/acpi.h> 49 #include <linux/dmi.h> 50 #include <linux/err.h> 51 #include <linux/kfifo.h> 52 #include <linux/platform_device.h> 53 #include <linux/gfp.h> 54 55 #include <asm/uaccess.h> 56 #include <asm/io.h> 57 #include <asm/system.h> 58 59 #include <linux/sonypi.h> 60 61 #define SONYPI_DRIVER_VERSION "1.26" 62 63 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); 64 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver"); 65 MODULE_LICENSE("GPL"); 66 MODULE_VERSION(SONYPI_DRIVER_VERSION); 67 68 static int minor = -1; 69 module_param(minor, int, 0); 70 MODULE_PARM_DESC(minor, 71 "minor number of the misc device, default is -1 (automatic)"); 72 73 static int verbose; /* = 0 */ 74 module_param(verbose, int, 0644); 75 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)"); 76 77 static int fnkeyinit; /* = 0 */ 78 module_param(fnkeyinit, int, 0444); 79 MODULE_PARM_DESC(fnkeyinit, 80 "set this if your Fn keys do not generate any event"); 81 82 static int camera; /* = 0 */ 83 module_param(camera, int, 0444); 84 MODULE_PARM_DESC(camera, 85 "set this if you have a MotionEye camera (PictureBook series)"); 86 87 static int compat; /* = 0 */ 88 module_param(compat, int, 0444); 89 MODULE_PARM_DESC(compat, 90 "set this if you want to enable backward compatibility mode"); 91 92 static unsigned long mask = 0xffffffff; 93 module_param(mask, ulong, 0644); 94 MODULE_PARM_DESC(mask, 95 "set this to the mask of event you want to enable (see doc)"); 96 97 static int useinput = 1; 98 module_param(useinput, int, 0444); 99 MODULE_PARM_DESC(useinput, 100 "set this if you would like sonypi to feed events to the input subsystem"); 101 102 static int check_ioport = 1; 103 module_param(check_ioport, int, 0444); 104 MODULE_PARM_DESC(check_ioport, 105 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong"); 106 107 #define SONYPI_DEVICE_MODEL_TYPE1 1 108 #define SONYPI_DEVICE_MODEL_TYPE2 2 109 #define SONYPI_DEVICE_MODEL_TYPE3 3 110 111 /* type1 models use those */ 112 #define SONYPI_IRQ_PORT 0x8034 113 #define SONYPI_IRQ_SHIFT 22 114 #define SONYPI_TYPE1_BASE 0x50 115 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14) 116 #define SONYPI_TYPE1_REGION_SIZE 0x08 117 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04 118 119 /* type2 series specifics */ 120 #define SONYPI_SIRQ 0x9b 121 #define SONYPI_SLOB 0x9c 122 #define SONYPI_SHIB 0x9d 123 #define SONYPI_TYPE2_REGION_SIZE 0x20 124 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12 125 126 /* type3 series specifics */ 127 #define SONYPI_TYPE3_BASE 0x40 128 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */ 129 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */ 130 #define SONYPI_TYPE3_REGION_SIZE 0x20 131 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12 132 133 /* battery / brightness addresses */ 134 #define SONYPI_BAT_FLAGS 0x81 135 #define SONYPI_LCD_LIGHT 0x96 136 #define SONYPI_BAT1_PCTRM 0xa0 137 #define SONYPI_BAT1_LEFT 0xa2 138 #define SONYPI_BAT1_MAXRT 0xa4 139 #define SONYPI_BAT2_PCTRM 0xa8 140 #define SONYPI_BAT2_LEFT 0xaa 141 #define SONYPI_BAT2_MAXRT 0xac 142 #define SONYPI_BAT1_MAXTK 0xb0 143 #define SONYPI_BAT1_FULL 0xb2 144 #define SONYPI_BAT2_MAXTK 0xb8 145 #define SONYPI_BAT2_FULL 0xba 146 147 /* FAN0 information (reverse engineered from ACPI tables) */ 148 #define SONYPI_FAN0_STATUS 0x93 149 #define SONYPI_TEMP_STATUS 0xC1 150 151 /* ioports used for brightness and type2 events */ 152 #define SONYPI_DATA_IOPORT 0x62 153 #define SONYPI_CST_IOPORT 0x66 154 155 /* The set of possible ioports */ 156 struct sonypi_ioport_list { 157 u16 port1; 158 u16 port2; 159 }; 160 161 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = { 162 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */ 163 { 0x1080, 0x1084 }, 164 { 0x1090, 0x1094 }, 165 { 0x10a0, 0x10a4 }, 166 { 0x10b0, 0x10b4 }, 167 { 0x0, 0x0 } 168 }; 169 170 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = { 171 { 0x1080, 0x1084 }, 172 { 0x10a0, 0x10a4 }, 173 { 0x10c0, 0x10c4 }, 174 { 0x10e0, 0x10e4 }, 175 { 0x0, 0x0 } 176 }; 177 178 /* same as in type 2 models */ 179 static struct sonypi_ioport_list *sonypi_type3_ioport_list = 180 sonypi_type2_ioport_list; 181 182 /* The set of possible interrupts */ 183 struct sonypi_irq_list { 184 u16 irq; 185 u16 bits; 186 }; 187 188 static struct sonypi_irq_list sonypi_type1_irq_list[] = { 189 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */ 190 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */ 191 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */ 192 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */ 193 }; 194 195 static struct sonypi_irq_list sonypi_type2_irq_list[] = { 196 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */ 197 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */ 198 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */ 199 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */ 200 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */ 201 }; 202 203 /* same as in type2 models */ 204 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list; 205 206 #define SONYPI_CAMERA_BRIGHTNESS 0 207 #define SONYPI_CAMERA_CONTRAST 1 208 #define SONYPI_CAMERA_HUE 2 209 #define SONYPI_CAMERA_COLOR 3 210 #define SONYPI_CAMERA_SHARPNESS 4 211 212 #define SONYPI_CAMERA_PICTURE 5 213 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 214 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 215 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 216 #define SONYPI_CAMERA_MUTE_MASK 0x40 217 218 /* the rest don't need a loop until not 0xff */ 219 #define SONYPI_CAMERA_AGC 6 220 #define SONYPI_CAMERA_AGC_MASK 0x30 221 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 222 223 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 224 #define SONYPI_CAMERA_CONTROL 0x10 225 226 #define SONYPI_CAMERA_STATUS 7 227 #define SONYPI_CAMERA_STATUS_READY 0x2 228 #define SONYPI_CAMERA_STATUS_POSITION 0x4 229 230 #define SONYPI_DIRECTION_BACKWARDS 0x4 231 232 #define SONYPI_CAMERA_REVISION 8 233 #define SONYPI_CAMERA_ROMVERSION 9 234 235 /* Event masks */ 236 #define SONYPI_JOGGER_MASK 0x00000001 237 #define SONYPI_CAPTURE_MASK 0x00000002 238 #define SONYPI_FNKEY_MASK 0x00000004 239 #define SONYPI_BLUETOOTH_MASK 0x00000008 240 #define SONYPI_PKEY_MASK 0x00000010 241 #define SONYPI_BACK_MASK 0x00000020 242 #define SONYPI_HELP_MASK 0x00000040 243 #define SONYPI_LID_MASK 0x00000080 244 #define SONYPI_ZOOM_MASK 0x00000100 245 #define SONYPI_THUMBPHRASE_MASK 0x00000200 246 #define SONYPI_MEYE_MASK 0x00000400 247 #define SONYPI_MEMORYSTICK_MASK 0x00000800 248 #define SONYPI_BATTERY_MASK 0x00001000 249 #define SONYPI_WIRELESS_MASK 0x00002000 250 251 struct sonypi_event { 252 u8 data; 253 u8 event; 254 }; 255 256 /* The set of possible button release events */ 257 static struct sonypi_event sonypi_releaseev[] = { 258 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 259 { 0, 0 } 260 }; 261 262 /* The set of possible jogger events */ 263 static struct sonypi_event sonypi_joggerev[] = { 264 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 265 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 266 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 267 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 268 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 269 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 270 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 271 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 272 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 273 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 274 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 275 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 276 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 277 { 0, 0 } 278 }; 279 280 /* The set of possible capture button events */ 281 static struct sonypi_event sonypi_captureev[] = { 282 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 283 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 284 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 285 { 0, 0 } 286 }; 287 288 /* The set of possible fnkeys events */ 289 static struct sonypi_event sonypi_fnkeyev[] = { 290 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 291 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 292 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 293 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 294 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 295 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 296 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 297 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 298 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 299 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 300 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 301 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 302 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 303 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 304 { 0x21, SONYPI_EVENT_FNKEY_1 }, 305 { 0x22, SONYPI_EVENT_FNKEY_2 }, 306 { 0x31, SONYPI_EVENT_FNKEY_D }, 307 { 0x32, SONYPI_EVENT_FNKEY_E }, 308 { 0x33, SONYPI_EVENT_FNKEY_F }, 309 { 0x34, SONYPI_EVENT_FNKEY_S }, 310 { 0x35, SONYPI_EVENT_FNKEY_B }, 311 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 312 { 0, 0 } 313 }; 314 315 /* The set of possible program key events */ 316 static struct sonypi_event sonypi_pkeyev[] = { 317 { 0x01, SONYPI_EVENT_PKEY_P1 }, 318 { 0x02, SONYPI_EVENT_PKEY_P2 }, 319 { 0x04, SONYPI_EVENT_PKEY_P3 }, 320 { 0x5c, SONYPI_EVENT_PKEY_P1 }, 321 { 0, 0 } 322 }; 323 324 /* The set of possible bluetooth events */ 325 static struct sonypi_event sonypi_blueev[] = { 326 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 327 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 328 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 329 { 0, 0 } 330 }; 331 332 /* The set of possible wireless events */ 333 static struct sonypi_event sonypi_wlessev[] = { 334 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 335 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 336 { 0, 0 } 337 }; 338 339 /* The set of possible back button events */ 340 static struct sonypi_event sonypi_backev[] = { 341 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 342 { 0, 0 } 343 }; 344 345 /* The set of possible help button events */ 346 static struct sonypi_event sonypi_helpev[] = { 347 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 348 { 0, 0 } 349 }; 350 351 352 /* The set of possible lid events */ 353 static struct sonypi_event sonypi_lidev[] = { 354 { 0x51, SONYPI_EVENT_LID_CLOSED }, 355 { 0x50, SONYPI_EVENT_LID_OPENED }, 356 { 0, 0 } 357 }; 358 359 /* The set of possible zoom events */ 360 static struct sonypi_event sonypi_zoomev[] = { 361 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 362 { 0, 0 } 363 }; 364 365 /* The set of possible thumbphrase events */ 366 static struct sonypi_event sonypi_thumbphraseev[] = { 367 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 368 { 0, 0 } 369 }; 370 371 /* The set of possible motioneye camera events */ 372 static struct sonypi_event sonypi_meyeev[] = { 373 { 0x00, SONYPI_EVENT_MEYE_FACE }, 374 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 375 { 0, 0 } 376 }; 377 378 /* The set of possible memorystick events */ 379 static struct sonypi_event sonypi_memorystickev[] = { 380 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 381 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 382 { 0, 0 } 383 }; 384 385 /* The set of possible battery events */ 386 static struct sonypi_event sonypi_batteryev[] = { 387 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 388 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 389 { 0, 0 } 390 }; 391 392 static struct sonypi_eventtypes { 393 int model; 394 u8 data; 395 unsigned long mask; 396 struct sonypi_event * events; 397 } sonypi_eventtypes[] = { 398 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev }, 399 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 400 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev }, 401 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 402 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 403 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 404 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 405 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 406 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 407 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 408 409 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev }, 410 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev }, 411 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 412 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 413 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 414 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 415 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 416 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev }, 417 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 418 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 419 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 420 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 421 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 422 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 423 424 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev }, 425 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 426 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 427 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 428 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 429 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 430 { 0 } 431 }; 432 433 #define SONYPI_BUF_SIZE 128 434 435 /* Correspondance table between sonypi events and input layer events */ 436 static struct { 437 int sonypiev; 438 int inputev; 439 } sonypi_inputkeys[] = { 440 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA }, 441 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN }, 442 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC }, 443 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 }, 444 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 }, 445 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 }, 446 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 }, 447 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 }, 448 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 }, 449 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 }, 450 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 }, 451 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 }, 452 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 }, 453 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 }, 454 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 }, 455 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 }, 456 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 }, 457 { SONYPI_EVENT_FNKEY_D, KEY_FN_D }, 458 { SONYPI_EVENT_FNKEY_E, KEY_FN_E }, 459 { SONYPI_EVENT_FNKEY_F, KEY_FN_F }, 460 { SONYPI_EVENT_FNKEY_S, KEY_FN_S }, 461 { SONYPI_EVENT_FNKEY_B, KEY_FN_B }, 462 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE }, 463 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE }, 464 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 }, 465 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 }, 466 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 }, 467 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK }, 468 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP }, 469 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM }, 470 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB }, 471 { 0, 0 }, 472 }; 473 474 struct sonypi_keypress { 475 struct input_dev *dev; 476 int key; 477 }; 478 479 static struct sonypi_device { 480 struct pci_dev *dev; 481 u16 irq; 482 u16 bits; 483 u16 ioport1; 484 u16 ioport2; 485 u16 region_size; 486 u16 evtype_offset; 487 int camera_power; 488 int bluetooth_power; 489 struct mutex lock; 490 struct kfifo fifo; 491 spinlock_t fifo_lock; 492 wait_queue_head_t fifo_proc_list; 493 struct fasync_struct *fifo_async; 494 int open_count; 495 int model; 496 struct input_dev *input_jog_dev; 497 struct input_dev *input_key_dev; 498 struct work_struct input_work; 499 struct kfifo input_fifo; 500 spinlock_t input_fifo_lock; 501 } sonypi_device; 502 503 #define ITERATIONS_LONG 10000 504 #define ITERATIONS_SHORT 10 505 506 #define wait_on_command(quiet, command, iterations) { \ 507 unsigned int n = iterations; \ 508 while (--n && (command)) \ 509 udelay(1); \ 510 if (!n && (verbose || !quiet)) \ 511 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \ 512 } 513 514 #ifdef CONFIG_ACPI 515 #define SONYPI_ACPI_ACTIVE (!acpi_disabled) 516 #else 517 #define SONYPI_ACPI_ACTIVE 0 518 #endif /* CONFIG_ACPI */ 519 520 #ifdef CONFIG_ACPI 521 static struct acpi_device *sonypi_acpi_device; 522 static int acpi_driver_registered; 523 #endif 524 525 static int sonypi_ec_write(u8 addr, u8 value) 526 { 527 #ifdef CONFIG_ACPI 528 if (SONYPI_ACPI_ACTIVE) 529 return ec_write(addr, value); 530 #endif 531 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); 532 outb_p(0x81, SONYPI_CST_IOPORT); 533 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 534 outb_p(addr, SONYPI_DATA_IOPORT); 535 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 536 outb_p(value, SONYPI_DATA_IOPORT); 537 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 538 return 0; 539 } 540 541 static int sonypi_ec_read(u8 addr, u8 *value) 542 { 543 #ifdef CONFIG_ACPI 544 if (SONYPI_ACPI_ACTIVE) 545 return ec_read(addr, value); 546 #endif 547 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); 548 outb_p(0x80, SONYPI_CST_IOPORT); 549 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 550 outb_p(addr, SONYPI_DATA_IOPORT); 551 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 552 *value = inb_p(SONYPI_DATA_IOPORT); 553 return 0; 554 } 555 556 static int ec_read16(u8 addr, u16 *value) 557 { 558 u8 val_lb, val_hb; 559 if (sonypi_ec_read(addr, &val_lb)) 560 return -1; 561 if (sonypi_ec_read(addr + 1, &val_hb)) 562 return -1; 563 *value = val_lb | (val_hb << 8); 564 return 0; 565 } 566 567 /* Initializes the device - this comes from the AML code in the ACPI bios */ 568 static void sonypi_type1_srs(void) 569 { 570 u32 v; 571 572 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 573 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1); 574 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 575 576 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 577 v = (v & 0xFFF0FFFF) | 578 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16); 579 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 580 581 v = inl(SONYPI_IRQ_PORT); 582 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT); 583 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT); 584 outl(v, SONYPI_IRQ_PORT); 585 586 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 587 v = (v & 0xFF1FFFFF) | 0x00C00000; 588 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 589 } 590 591 static void sonypi_type2_srs(void) 592 { 593 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8)) 594 printk(KERN_WARNING "ec_write failed\n"); 595 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF)) 596 printk(KERN_WARNING "ec_write failed\n"); 597 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits)) 598 printk(KERN_WARNING "ec_write failed\n"); 599 udelay(10); 600 } 601 602 static void sonypi_type3_srs(void) 603 { 604 u16 v16; 605 u8 v8; 606 607 /* This model type uses the same initialiazation of 608 * the embedded controller as the type2 models. */ 609 sonypi_type2_srs(); 610 611 /* Initialization of PCI config space of the LPC interface bridge. */ 612 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01; 613 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16); 614 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8); 615 v8 = (v8 & 0xCF) | 0x10; 616 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8); 617 } 618 619 /* Disables the device - this comes from the AML code in the ACPI bios */ 620 static void sonypi_type1_dis(void) 621 { 622 u32 v; 623 624 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 625 v = v & 0xFF3FFFFF; 626 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 627 628 v = inl(SONYPI_IRQ_PORT); 629 v |= (0x3 << SONYPI_IRQ_SHIFT); 630 outl(v, SONYPI_IRQ_PORT); 631 } 632 633 static void sonypi_type2_dis(void) 634 { 635 if (sonypi_ec_write(SONYPI_SHIB, 0)) 636 printk(KERN_WARNING "ec_write failed\n"); 637 if (sonypi_ec_write(SONYPI_SLOB, 0)) 638 printk(KERN_WARNING "ec_write failed\n"); 639 if (sonypi_ec_write(SONYPI_SIRQ, 0)) 640 printk(KERN_WARNING "ec_write failed\n"); 641 } 642 643 static void sonypi_type3_dis(void) 644 { 645 sonypi_type2_dis(); 646 udelay(10); 647 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0); 648 } 649 650 static u8 sonypi_call1(u8 dev) 651 { 652 u8 v1, v2; 653 654 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 655 outb(dev, sonypi_device.ioport2); 656 v1 = inb_p(sonypi_device.ioport2); 657 v2 = inb_p(sonypi_device.ioport1); 658 return v2; 659 } 660 661 static u8 sonypi_call2(u8 dev, u8 fn) 662 { 663 u8 v1; 664 665 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 666 outb(dev, sonypi_device.ioport2); 667 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 668 outb(fn, sonypi_device.ioport1); 669 v1 = inb_p(sonypi_device.ioport1); 670 return v1; 671 } 672 673 static u8 sonypi_call3(u8 dev, u8 fn, u8 v) 674 { 675 u8 v1; 676 677 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 678 outb(dev, sonypi_device.ioport2); 679 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 680 outb(fn, sonypi_device.ioport1); 681 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 682 outb(v, sonypi_device.ioport1); 683 v1 = inb_p(sonypi_device.ioport1); 684 return v1; 685 } 686 687 #if 0 688 /* Get brightness, hue etc. Unreliable... */ 689 static u8 sonypi_read(u8 fn) 690 { 691 u8 v1, v2; 692 int n = 100; 693 694 while (n--) { 695 v1 = sonypi_call2(0x8f, fn); 696 v2 = sonypi_call2(0x8f, fn); 697 if (v1 == v2 && v1 != 0xff) 698 return v1; 699 } 700 return 0xff; 701 } 702 #endif 703 704 /* Set brightness, hue etc */ 705 static void sonypi_set(u8 fn, u8 v) 706 { 707 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT); 708 } 709 710 /* Tests if the camera is ready */ 711 static int sonypi_camera_ready(void) 712 { 713 u8 v; 714 715 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS); 716 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 717 } 718 719 /* Turns the camera off */ 720 static void sonypi_camera_off(void) 721 { 722 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK); 723 724 if (!sonypi_device.camera_power) 725 return; 726 727 sonypi_call2(0x91, 0); 728 sonypi_device.camera_power = 0; 729 } 730 731 /* Turns the camera on */ 732 static void sonypi_camera_on(void) 733 { 734 int i, j; 735 736 if (sonypi_device.camera_power) 737 return; 738 739 for (j = 5; j > 0; j--) { 740 741 while (sonypi_call2(0x91, 0x1)) 742 msleep(10); 743 sonypi_call1(0x93); 744 745 for (i = 400; i > 0; i--) { 746 if (sonypi_camera_ready()) 747 break; 748 msleep(10); 749 } 750 if (i) 751 break; 752 } 753 754 if (j == 0) { 755 printk(KERN_WARNING "sonypi: failed to power on camera\n"); 756 return; 757 } 758 759 sonypi_set(0x10, 0x5a); 760 sonypi_device.camera_power = 1; 761 } 762 763 /* sets the bluetooth subsystem power state */ 764 static void sonypi_setbluetoothpower(u8 state) 765 { 766 state = !!state; 767 768 if (sonypi_device.bluetooth_power == state) 769 return; 770 771 sonypi_call2(0x96, state); 772 sonypi_call1(0x82); 773 sonypi_device.bluetooth_power = state; 774 } 775 776 static void input_keyrelease(struct work_struct *work) 777 { 778 struct sonypi_keypress kp; 779 780 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp, 781 sizeof(kp), &sonypi_device.input_fifo_lock) 782 == sizeof(kp)) { 783 msleep(10); 784 input_report_key(kp.dev, kp.key, 0); 785 input_sync(kp.dev); 786 } 787 } 788 789 static void sonypi_report_input_event(u8 event) 790 { 791 struct input_dev *jog_dev = sonypi_device.input_jog_dev; 792 struct input_dev *key_dev = sonypi_device.input_key_dev; 793 struct sonypi_keypress kp = { NULL }; 794 int i; 795 796 switch (event) { 797 case SONYPI_EVENT_JOGDIAL_UP: 798 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 799 input_report_rel(jog_dev, REL_WHEEL, 1); 800 input_sync(jog_dev); 801 break; 802 803 case SONYPI_EVENT_JOGDIAL_DOWN: 804 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 805 input_report_rel(jog_dev, REL_WHEEL, -1); 806 input_sync(jog_dev); 807 break; 808 809 case SONYPI_EVENT_JOGDIAL_PRESSED: 810 kp.key = BTN_MIDDLE; 811 kp.dev = jog_dev; 812 break; 813 814 case SONYPI_EVENT_FNKEY_RELEASED: 815 /* Nothing, not all VAIOs generate this event */ 816 break; 817 818 default: 819 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) 820 if (event == sonypi_inputkeys[i].sonypiev) { 821 kp.dev = key_dev; 822 kp.key = sonypi_inputkeys[i].inputev; 823 break; 824 } 825 break; 826 } 827 828 if (kp.dev) { 829 input_report_key(kp.dev, kp.key, 1); 830 input_sync(kp.dev); 831 kfifo_in_locked(&sonypi_device.input_fifo, 832 (unsigned char *)&kp, sizeof(kp), 833 &sonypi_device.input_fifo_lock); 834 schedule_work(&sonypi_device.input_work); 835 } 836 } 837 838 /* Interrupt handler: some event is available */ 839 static irqreturn_t sonypi_irq(int irq, void *dev_id) 840 { 841 u8 v1, v2, event = 0; 842 int i, j; 843 844 v1 = inb_p(sonypi_device.ioport1); 845 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset); 846 847 for (i = 0; sonypi_eventtypes[i].model; i++) { 848 if (sonypi_device.model != sonypi_eventtypes[i].model) 849 continue; 850 if ((v2 & sonypi_eventtypes[i].data) != 851 sonypi_eventtypes[i].data) 852 continue; 853 if (!(mask & sonypi_eventtypes[i].mask)) 854 continue; 855 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) { 856 if (v1 == sonypi_eventtypes[i].events[j].data) { 857 event = sonypi_eventtypes[i].events[j].event; 858 goto found; 859 } 860 } 861 } 862 863 if (verbose) 864 printk(KERN_WARNING 865 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n", 866 v1, v2); 867 /* We need to return IRQ_HANDLED here because there *are* 868 * events belonging to the sonypi device we don't know about, 869 * but we still don't want those to pollute the logs... */ 870 return IRQ_HANDLED; 871 872 found: 873 if (verbose > 1) 874 printk(KERN_INFO 875 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2); 876 877 if (useinput) 878 sonypi_report_input_event(event); 879 880 #ifdef CONFIG_ACPI 881 if (sonypi_acpi_device) 882 acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event); 883 #endif 884 885 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event, 886 sizeof(event), &sonypi_device.fifo_lock); 887 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); 888 wake_up_interruptible(&sonypi_device.fifo_proc_list); 889 890 return IRQ_HANDLED; 891 } 892 893 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 894 { 895 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async); 896 } 897 898 static int sonypi_misc_release(struct inode *inode, struct file *file) 899 { 900 mutex_lock(&sonypi_device.lock); 901 sonypi_device.open_count--; 902 mutex_unlock(&sonypi_device.lock); 903 return 0; 904 } 905 906 static int sonypi_misc_open(struct inode *inode, struct file *file) 907 { 908 mutex_lock(&sonypi_device.lock); 909 /* Flush input queue on first open */ 910 if (!sonypi_device.open_count) 911 kfifo_reset(&sonypi_device.fifo); 912 sonypi_device.open_count++; 913 mutex_unlock(&sonypi_device.lock); 914 915 return 0; 916 } 917 918 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 919 size_t count, loff_t *pos) 920 { 921 ssize_t ret; 922 unsigned char c; 923 924 if ((kfifo_len(&sonypi_device.fifo) == 0) && 925 (file->f_flags & O_NONBLOCK)) 926 return -EAGAIN; 927 928 ret = wait_event_interruptible(sonypi_device.fifo_proc_list, 929 kfifo_len(&sonypi_device.fifo) != 0); 930 if (ret) 931 return ret; 932 933 while (ret < count && 934 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c), 935 &sonypi_device.fifo_lock) == sizeof(c))) { 936 if (put_user(c, buf++)) 937 return -EFAULT; 938 ret++; 939 } 940 941 if (ret > 0) { 942 struct inode *inode = file->f_path.dentry->d_inode; 943 inode->i_atime = current_fs_time(inode->i_sb); 944 } 945 946 return ret; 947 } 948 949 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 950 { 951 poll_wait(file, &sonypi_device.fifo_proc_list, wait); 952 if (kfifo_len(&sonypi_device.fifo)) 953 return POLLIN | POLLRDNORM; 954 return 0; 955 } 956 957 static long sonypi_misc_ioctl(struct file *fp, 958 unsigned int cmd, unsigned long arg) 959 { 960 long ret = 0; 961 void __user *argp = (void __user *)arg; 962 u8 val8; 963 u16 val16; 964 965 mutex_lock(&sonypi_device.lock); 966 switch (cmd) { 967 case SONYPI_IOCGBRT: 968 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) { 969 ret = -EIO; 970 break; 971 } 972 if (copy_to_user(argp, &val8, sizeof(val8))) 973 ret = -EFAULT; 974 break; 975 case SONYPI_IOCSBRT: 976 if (copy_from_user(&val8, argp, sizeof(val8))) { 977 ret = -EFAULT; 978 break; 979 } 980 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8)) 981 ret = -EIO; 982 break; 983 case SONYPI_IOCGBAT1CAP: 984 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 985 ret = -EIO; 986 break; 987 } 988 if (copy_to_user(argp, &val16, sizeof(val16))) 989 ret = -EFAULT; 990 break; 991 case SONYPI_IOCGBAT1REM: 992 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 993 ret = -EIO; 994 break; 995 } 996 if (copy_to_user(argp, &val16, sizeof(val16))) 997 ret = -EFAULT; 998 break; 999 case SONYPI_IOCGBAT2CAP: 1000 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 1001 ret = -EIO; 1002 break; 1003 } 1004 if (copy_to_user(argp, &val16, sizeof(val16))) 1005 ret = -EFAULT; 1006 break; 1007 case SONYPI_IOCGBAT2REM: 1008 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 1009 ret = -EIO; 1010 break; 1011 } 1012 if (copy_to_user(argp, &val16, sizeof(val16))) 1013 ret = -EFAULT; 1014 break; 1015 case SONYPI_IOCGBATFLAGS: 1016 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) { 1017 ret = -EIO; 1018 break; 1019 } 1020 val8 &= 0x07; 1021 if (copy_to_user(argp, &val8, sizeof(val8))) 1022 ret = -EFAULT; 1023 break; 1024 case SONYPI_IOCGBLUE: 1025 val8 = sonypi_device.bluetooth_power; 1026 if (copy_to_user(argp, &val8, sizeof(val8))) 1027 ret = -EFAULT; 1028 break; 1029 case SONYPI_IOCSBLUE: 1030 if (copy_from_user(&val8, argp, sizeof(val8))) { 1031 ret = -EFAULT; 1032 break; 1033 } 1034 sonypi_setbluetoothpower(val8); 1035 break; 1036 /* FAN Controls */ 1037 case SONYPI_IOCGFAN: 1038 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) { 1039 ret = -EIO; 1040 break; 1041 } 1042 if (copy_to_user(argp, &val8, sizeof(val8))) 1043 ret = -EFAULT; 1044 break; 1045 case SONYPI_IOCSFAN: 1046 if (copy_from_user(&val8, argp, sizeof(val8))) { 1047 ret = -EFAULT; 1048 break; 1049 } 1050 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8)) 1051 ret = -EIO; 1052 break; 1053 /* GET Temperature (useful under APM) */ 1054 case SONYPI_IOCGTEMP: 1055 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) { 1056 ret = -EIO; 1057 break; 1058 } 1059 if (copy_to_user(argp, &val8, sizeof(val8))) 1060 ret = -EFAULT; 1061 break; 1062 default: 1063 ret = -EINVAL; 1064 } 1065 mutex_unlock(&sonypi_device.lock); 1066 return ret; 1067 } 1068 1069 static const struct file_operations sonypi_misc_fops = { 1070 .owner = THIS_MODULE, 1071 .read = sonypi_misc_read, 1072 .poll = sonypi_misc_poll, 1073 .open = sonypi_misc_open, 1074 .release = sonypi_misc_release, 1075 .fasync = sonypi_misc_fasync, 1076 .unlocked_ioctl = sonypi_misc_ioctl, 1077 .llseek = no_llseek, 1078 }; 1079 1080 static struct miscdevice sonypi_misc_device = { 1081 .minor = MISC_DYNAMIC_MINOR, 1082 .name = "sonypi", 1083 .fops = &sonypi_misc_fops, 1084 }; 1085 1086 static void sonypi_enable(unsigned int camera_on) 1087 { 1088 switch (sonypi_device.model) { 1089 case SONYPI_DEVICE_MODEL_TYPE1: 1090 sonypi_type1_srs(); 1091 break; 1092 case SONYPI_DEVICE_MODEL_TYPE2: 1093 sonypi_type2_srs(); 1094 break; 1095 case SONYPI_DEVICE_MODEL_TYPE3: 1096 sonypi_type3_srs(); 1097 break; 1098 } 1099 1100 sonypi_call1(0x82); 1101 sonypi_call2(0x81, 0xff); 1102 sonypi_call1(compat ? 0x92 : 0x82); 1103 1104 /* Enable ACPI mode to get Fn key events */ 1105 if (!SONYPI_ACPI_ACTIVE && fnkeyinit) 1106 outb(0xf0, 0xb2); 1107 1108 if (camera && camera_on) 1109 sonypi_camera_on(); 1110 } 1111 1112 static int sonypi_disable(void) 1113 { 1114 sonypi_call2(0x81, 0); /* make sure we don't get any more events */ 1115 if (camera) 1116 sonypi_camera_off(); 1117 1118 /* disable ACPI mode */ 1119 if (!SONYPI_ACPI_ACTIVE && fnkeyinit) 1120 outb(0xf1, 0xb2); 1121 1122 switch (sonypi_device.model) { 1123 case SONYPI_DEVICE_MODEL_TYPE1: 1124 sonypi_type1_dis(); 1125 break; 1126 case SONYPI_DEVICE_MODEL_TYPE2: 1127 sonypi_type2_dis(); 1128 break; 1129 case SONYPI_DEVICE_MODEL_TYPE3: 1130 sonypi_type3_dis(); 1131 break; 1132 } 1133 1134 return 0; 1135 } 1136 1137 #ifdef CONFIG_ACPI 1138 static int sonypi_acpi_add(struct acpi_device *device) 1139 { 1140 sonypi_acpi_device = device; 1141 strcpy(acpi_device_name(device), "Sony laptop hotkeys"); 1142 strcpy(acpi_device_class(device), "sony/hotkey"); 1143 return 0; 1144 } 1145 1146 static int sonypi_acpi_remove(struct acpi_device *device, int type) 1147 { 1148 sonypi_acpi_device = NULL; 1149 return 0; 1150 } 1151 1152 static const struct acpi_device_id sonypi_device_ids[] = { 1153 {"SNY6001", 0}, 1154 {"", 0}, 1155 }; 1156 1157 static struct acpi_driver sonypi_acpi_driver = { 1158 .name = "sonypi", 1159 .class = "hkey", 1160 .ids = sonypi_device_ids, 1161 .ops = { 1162 .add = sonypi_acpi_add, 1163 .remove = sonypi_acpi_remove, 1164 }, 1165 }; 1166 #endif 1167 1168 static int __devinit sonypi_create_input_devices(struct platform_device *pdev) 1169 { 1170 struct input_dev *jog_dev; 1171 struct input_dev *key_dev; 1172 int i; 1173 int error; 1174 1175 sonypi_device.input_jog_dev = jog_dev = input_allocate_device(); 1176 if (!jog_dev) 1177 return -ENOMEM; 1178 1179 jog_dev->name = "Sony Vaio Jogdial"; 1180 jog_dev->id.bustype = BUS_ISA; 1181 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 1182 jog_dev->dev.parent = &pdev->dev; 1183 1184 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 1185 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); 1186 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); 1187 1188 sonypi_device.input_key_dev = key_dev = input_allocate_device(); 1189 if (!key_dev) { 1190 error = -ENOMEM; 1191 goto err_free_jogdev; 1192 } 1193 1194 key_dev->name = "Sony Vaio Keys"; 1195 key_dev->id.bustype = BUS_ISA; 1196 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 1197 key_dev->dev.parent = &pdev->dev; 1198 1199 /* Initialize the Input Drivers: special keys */ 1200 key_dev->evbit[0] = BIT_MASK(EV_KEY); 1201 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) 1202 if (sonypi_inputkeys[i].inputev) 1203 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit); 1204 1205 error = input_register_device(jog_dev); 1206 if (error) 1207 goto err_free_keydev; 1208 1209 error = input_register_device(key_dev); 1210 if (error) 1211 goto err_unregister_jogdev; 1212 1213 return 0; 1214 1215 err_unregister_jogdev: 1216 input_unregister_device(jog_dev); 1217 /* Set to NULL so we don't free it again below */ 1218 jog_dev = NULL; 1219 err_free_keydev: 1220 input_free_device(key_dev); 1221 sonypi_device.input_key_dev = NULL; 1222 err_free_jogdev: 1223 input_free_device(jog_dev); 1224 sonypi_device.input_jog_dev = NULL; 1225 1226 return error; 1227 } 1228 1229 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev, 1230 const struct sonypi_ioport_list *ioport_list) 1231 { 1232 /* try to detect if sony-laptop is being used and thus 1233 * has already requested one of the known ioports. 1234 * As in the deprecated check_region this is racy has we have 1235 * multiple ioports available and one of them can be requested 1236 * between this check and the subsequent request. Anyway, as an 1237 * attempt to be some more user-friendly as we currently are, 1238 * this is enough. 1239 */ 1240 const struct sonypi_ioport_list *check = ioport_list; 1241 while (check_ioport && check->port1) { 1242 if (!request_region(check->port1, 1243 sonypi_device.region_size, 1244 "Sony Programable I/O Device Check")) { 1245 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? " 1246 "if not use check_ioport=0\n", 1247 check->port1); 1248 return -EBUSY; 1249 } 1250 release_region(check->port1, sonypi_device.region_size); 1251 check++; 1252 } 1253 1254 while (ioport_list->port1) { 1255 1256 if (request_region(ioport_list->port1, 1257 sonypi_device.region_size, 1258 "Sony Programable I/O Device")) { 1259 dev->ioport1 = ioport_list->port1; 1260 dev->ioport2 = ioport_list->port2; 1261 return 0; 1262 } 1263 ioport_list++; 1264 } 1265 1266 return -EBUSY; 1267 } 1268 1269 static int __devinit sonypi_setup_irq(struct sonypi_device *dev, 1270 const struct sonypi_irq_list *irq_list) 1271 { 1272 while (irq_list->irq) { 1273 1274 if (!request_irq(irq_list->irq, sonypi_irq, 1275 IRQF_SHARED, "sonypi", sonypi_irq)) { 1276 dev->irq = irq_list->irq; 1277 dev->bits = irq_list->bits; 1278 return 0; 1279 } 1280 irq_list++; 1281 } 1282 1283 return -EBUSY; 1284 } 1285 1286 static void __devinit sonypi_display_info(void) 1287 { 1288 printk(KERN_INFO "sonypi: detected type%d model, " 1289 "verbose = %d, fnkeyinit = %s, camera = %s, " 1290 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", 1291 sonypi_device.model, 1292 verbose, 1293 fnkeyinit ? "on" : "off", 1294 camera ? "on" : "off", 1295 compat ? "on" : "off", 1296 mask, 1297 useinput ? "on" : "off", 1298 SONYPI_ACPI_ACTIVE ? "on" : "off"); 1299 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", 1300 sonypi_device.irq, 1301 sonypi_device.ioport1, sonypi_device.ioport2); 1302 1303 if (minor == -1) 1304 printk(KERN_INFO "sonypi: device allocated minor is %d\n", 1305 sonypi_misc_device.minor); 1306 } 1307 1308 static int __devinit sonypi_probe(struct platform_device *dev) 1309 { 1310 const struct sonypi_ioport_list *ioport_list; 1311 const struct sonypi_irq_list *irq_list; 1312 struct pci_dev *pcidev; 1313 int error; 1314 1315 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead " 1316 "and report failures, see also " 1317 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n"); 1318 1319 spin_lock_init(&sonypi_device.fifo_lock); 1320 error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL); 1321 if (error) { 1322 printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); 1323 return error; 1324 } 1325 1326 init_waitqueue_head(&sonypi_device.fifo_proc_list); 1327 mutex_init(&sonypi_device.lock); 1328 sonypi_device.bluetooth_power = -1; 1329 1330 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1331 PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) 1332 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; 1333 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1334 PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) 1335 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1336 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1337 PCI_DEVICE_ID_INTEL_ICH7_1, NULL))) 1338 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1339 else 1340 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; 1341 1342 if (pcidev && pci_enable_device(pcidev)) { 1343 printk(KERN_ERR "sonypi: pci_enable_device failed\n"); 1344 error = -EIO; 1345 goto err_put_pcidev; 1346 } 1347 1348 sonypi_device.dev = pcidev; 1349 1350 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) { 1351 ioport_list = sonypi_type1_ioport_list; 1352 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE; 1353 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET; 1354 irq_list = sonypi_type1_irq_list; 1355 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) { 1356 ioport_list = sonypi_type2_ioport_list; 1357 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE; 1358 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET; 1359 irq_list = sonypi_type2_irq_list; 1360 } else { 1361 ioport_list = sonypi_type3_ioport_list; 1362 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE; 1363 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET; 1364 irq_list = sonypi_type3_irq_list; 1365 } 1366 1367 error = sonypi_setup_ioports(&sonypi_device, ioport_list); 1368 if (error) { 1369 printk(KERN_ERR "sonypi: failed to request ioports\n"); 1370 goto err_disable_pcidev; 1371 } 1372 1373 error = sonypi_setup_irq(&sonypi_device, irq_list); 1374 if (error) { 1375 printk(KERN_ERR "sonypi: request_irq failed\n"); 1376 goto err_free_ioports; 1377 } 1378 1379 if (minor != -1) 1380 sonypi_misc_device.minor = minor; 1381 error = misc_register(&sonypi_misc_device); 1382 if (error) { 1383 printk(KERN_ERR "sonypi: misc_register failed\n"); 1384 goto err_free_irq; 1385 } 1386 1387 sonypi_display_info(); 1388 1389 if (useinput) { 1390 1391 error = sonypi_create_input_devices(dev); 1392 if (error) { 1393 printk(KERN_ERR 1394 "sonypi: failed to create input devices\n"); 1395 goto err_miscdev_unregister; 1396 } 1397 1398 spin_lock_init(&sonypi_device.input_fifo_lock); 1399 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE, 1400 GFP_KERNEL); 1401 if (error) { 1402 printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); 1403 goto err_inpdev_unregister; 1404 } 1405 1406 INIT_WORK(&sonypi_device.input_work, input_keyrelease); 1407 } 1408 1409 sonypi_enable(0); 1410 1411 return 0; 1412 1413 err_inpdev_unregister: 1414 input_unregister_device(sonypi_device.input_key_dev); 1415 input_unregister_device(sonypi_device.input_jog_dev); 1416 err_miscdev_unregister: 1417 misc_deregister(&sonypi_misc_device); 1418 err_free_irq: 1419 free_irq(sonypi_device.irq, sonypi_irq); 1420 err_free_ioports: 1421 release_region(sonypi_device.ioport1, sonypi_device.region_size); 1422 err_disable_pcidev: 1423 if (pcidev) 1424 pci_disable_device(pcidev); 1425 err_put_pcidev: 1426 pci_dev_put(pcidev); 1427 kfifo_free(&sonypi_device.fifo); 1428 1429 return error; 1430 } 1431 1432 static int __devexit sonypi_remove(struct platform_device *dev) 1433 { 1434 sonypi_disable(); 1435 1436 synchronize_irq(sonypi_device.irq); 1437 flush_scheduled_work(); 1438 1439 if (useinput) { 1440 input_unregister_device(sonypi_device.input_key_dev); 1441 input_unregister_device(sonypi_device.input_jog_dev); 1442 kfifo_free(&sonypi_device.input_fifo); 1443 } 1444 1445 misc_deregister(&sonypi_misc_device); 1446 1447 free_irq(sonypi_device.irq, sonypi_irq); 1448 release_region(sonypi_device.ioport1, sonypi_device.region_size); 1449 1450 if (sonypi_device.dev) { 1451 pci_disable_device(sonypi_device.dev); 1452 pci_dev_put(sonypi_device.dev); 1453 } 1454 1455 kfifo_free(&sonypi_device.fifo); 1456 1457 return 0; 1458 } 1459 1460 #ifdef CONFIG_PM 1461 static int old_camera_power; 1462 1463 static int sonypi_suspend(struct platform_device *dev, pm_message_t state) 1464 { 1465 old_camera_power = sonypi_device.camera_power; 1466 sonypi_disable(); 1467 1468 return 0; 1469 } 1470 1471 static int sonypi_resume(struct platform_device *dev) 1472 { 1473 sonypi_enable(old_camera_power); 1474 return 0; 1475 } 1476 #else 1477 #define sonypi_suspend NULL 1478 #define sonypi_resume NULL 1479 #endif 1480 1481 static void sonypi_shutdown(struct platform_device *dev) 1482 { 1483 sonypi_disable(); 1484 } 1485 1486 static struct platform_driver sonypi_driver = { 1487 .driver = { 1488 .name = "sonypi", 1489 .owner = THIS_MODULE, 1490 }, 1491 .probe = sonypi_probe, 1492 .remove = __devexit_p(sonypi_remove), 1493 .shutdown = sonypi_shutdown, 1494 .suspend = sonypi_suspend, 1495 .resume = sonypi_resume, 1496 }; 1497 1498 static struct platform_device *sonypi_platform_device; 1499 1500 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 1501 { 1502 .ident = "Sony Vaio", 1503 .matches = { 1504 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 1505 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 1506 }, 1507 }, 1508 { 1509 .ident = "Sony Vaio", 1510 .matches = { 1511 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 1512 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 1513 }, 1514 }, 1515 { } 1516 }; 1517 1518 static int __init sonypi_init(void) 1519 { 1520 int error; 1521 1522 printk(KERN_INFO 1523 "sonypi: Sony Programmable I/O Controller Driver v%s.\n", 1524 SONYPI_DRIVER_VERSION); 1525 1526 if (!dmi_check_system(sonypi_dmi_table)) 1527 return -ENODEV; 1528 1529 error = platform_driver_register(&sonypi_driver); 1530 if (error) 1531 return error; 1532 1533 sonypi_platform_device = platform_device_alloc("sonypi", -1); 1534 if (!sonypi_platform_device) { 1535 error = -ENOMEM; 1536 goto err_driver_unregister; 1537 } 1538 1539 error = platform_device_add(sonypi_platform_device); 1540 if (error) 1541 goto err_free_device; 1542 1543 #ifdef CONFIG_ACPI 1544 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0) 1545 acpi_driver_registered = 1; 1546 #endif 1547 1548 return 0; 1549 1550 err_free_device: 1551 platform_device_put(sonypi_platform_device); 1552 err_driver_unregister: 1553 platform_driver_unregister(&sonypi_driver); 1554 return error; 1555 } 1556 1557 static void __exit sonypi_exit(void) 1558 { 1559 #ifdef CONFIG_ACPI 1560 if (acpi_driver_registered) 1561 acpi_bus_unregister_driver(&sonypi_acpi_driver); 1562 #endif 1563 platform_device_unregister(sonypi_platform_device); 1564 platform_driver_unregister(&sonypi_driver); 1565 printk(KERN_INFO "sonypi: removed.\n"); 1566 } 1567 1568 module_init(sonypi_init); 1569 module_exit(sonypi_exit); 1570