1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Sony Programmable I/O Control Device driver for VAIO 4 * 5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it> 6 * 7 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 8 * 9 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 10 * 11 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 12 * 13 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 14 * 15 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 16 * 17 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 18 * 19 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 20 * 21 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 22 */ 23 24 #include <linux/module.h> 25 #include <linux/sched.h> 26 #include <linux/input.h> 27 #include <linux/pci.h> 28 #include <linux/init.h> 29 #include <linux/interrupt.h> 30 #include <linux/miscdevice.h> 31 #include <linux/poll.h> 32 #include <linux/delay.h> 33 #include <linux/wait.h> 34 #include <linux/acpi.h> 35 #include <linux/dmi.h> 36 #include <linux/err.h> 37 #include <linux/kfifo.h> 38 #include <linux/platform_device.h> 39 #include <linux/gfp.h> 40 41 #include <linux/uaccess.h> 42 #include <asm/io.h> 43 44 #include <linux/sonypi.h> 45 46 #define SONYPI_DRIVER_VERSION "1.26" 47 48 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); 49 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver"); 50 MODULE_LICENSE("GPL"); 51 MODULE_VERSION(SONYPI_DRIVER_VERSION); 52 53 static int minor = -1; 54 module_param(minor, int, 0); 55 MODULE_PARM_DESC(minor, 56 "minor number of the misc device, default is -1 (automatic)"); 57 58 static int verbose; /* = 0 */ 59 module_param(verbose, int, 0644); 60 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)"); 61 62 static int fnkeyinit; /* = 0 */ 63 module_param(fnkeyinit, int, 0444); 64 MODULE_PARM_DESC(fnkeyinit, 65 "set this if your Fn keys do not generate any event"); 66 67 static int camera; /* = 0 */ 68 module_param(camera, int, 0444); 69 MODULE_PARM_DESC(camera, 70 "set this if you have a MotionEye camera (PictureBook series)"); 71 72 static int compat; /* = 0 */ 73 module_param(compat, int, 0444); 74 MODULE_PARM_DESC(compat, 75 "set this if you want to enable backward compatibility mode"); 76 77 static unsigned long mask = 0xffffffff; 78 module_param(mask, ulong, 0644); 79 MODULE_PARM_DESC(mask, 80 "set this to the mask of event you want to enable (see doc)"); 81 82 static int useinput = 1; 83 module_param(useinput, int, 0444); 84 MODULE_PARM_DESC(useinput, 85 "set this if you would like sonypi to feed events to the input subsystem"); 86 87 static int check_ioport = 1; 88 module_param(check_ioport, int, 0444); 89 MODULE_PARM_DESC(check_ioport, 90 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong"); 91 92 #define SONYPI_DEVICE_MODEL_TYPE1 1 93 #define SONYPI_DEVICE_MODEL_TYPE2 2 94 #define SONYPI_DEVICE_MODEL_TYPE3 3 95 96 /* type1 models use those */ 97 #define SONYPI_IRQ_PORT 0x8034 98 #define SONYPI_IRQ_SHIFT 22 99 #define SONYPI_TYPE1_BASE 0x50 100 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14) 101 #define SONYPI_TYPE1_REGION_SIZE 0x08 102 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04 103 104 /* type2 series specifics */ 105 #define SONYPI_SIRQ 0x9b 106 #define SONYPI_SLOB 0x9c 107 #define SONYPI_SHIB 0x9d 108 #define SONYPI_TYPE2_REGION_SIZE 0x20 109 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12 110 111 /* type3 series specifics */ 112 #define SONYPI_TYPE3_BASE 0x40 113 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */ 114 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */ 115 #define SONYPI_TYPE3_REGION_SIZE 0x20 116 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12 117 118 /* battery / brightness addresses */ 119 #define SONYPI_BAT_FLAGS 0x81 120 #define SONYPI_LCD_LIGHT 0x96 121 #define SONYPI_BAT1_PCTRM 0xa0 122 #define SONYPI_BAT1_LEFT 0xa2 123 #define SONYPI_BAT1_MAXRT 0xa4 124 #define SONYPI_BAT2_PCTRM 0xa8 125 #define SONYPI_BAT2_LEFT 0xaa 126 #define SONYPI_BAT2_MAXRT 0xac 127 #define SONYPI_BAT1_MAXTK 0xb0 128 #define SONYPI_BAT1_FULL 0xb2 129 #define SONYPI_BAT2_MAXTK 0xb8 130 #define SONYPI_BAT2_FULL 0xba 131 132 /* FAN0 information (reverse engineered from ACPI tables) */ 133 #define SONYPI_FAN0_STATUS 0x93 134 #define SONYPI_TEMP_STATUS 0xC1 135 136 /* ioports used for brightness and type2 events */ 137 #define SONYPI_DATA_IOPORT 0x62 138 #define SONYPI_CST_IOPORT 0x66 139 140 /* The set of possible ioports */ 141 struct sonypi_ioport_list { 142 u16 port1; 143 u16 port2; 144 }; 145 146 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = { 147 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */ 148 { 0x1080, 0x1084 }, 149 { 0x1090, 0x1094 }, 150 { 0x10a0, 0x10a4 }, 151 { 0x10b0, 0x10b4 }, 152 { 0x0, 0x0 } 153 }; 154 155 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = { 156 { 0x1080, 0x1084 }, 157 { 0x10a0, 0x10a4 }, 158 { 0x10c0, 0x10c4 }, 159 { 0x10e0, 0x10e4 }, 160 { 0x0, 0x0 } 161 }; 162 163 /* same as in type 2 models */ 164 static struct sonypi_ioport_list *sonypi_type3_ioport_list = 165 sonypi_type2_ioport_list; 166 167 /* The set of possible interrupts */ 168 struct sonypi_irq_list { 169 u16 irq; 170 u16 bits; 171 }; 172 173 static struct sonypi_irq_list sonypi_type1_irq_list[] = { 174 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */ 175 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */ 176 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */ 177 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */ 178 }; 179 180 static struct sonypi_irq_list sonypi_type2_irq_list[] = { 181 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */ 182 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */ 183 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */ 184 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */ 185 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */ 186 }; 187 188 /* same as in type2 models */ 189 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list; 190 191 #define SONYPI_CAMERA_BRIGHTNESS 0 192 #define SONYPI_CAMERA_CONTRAST 1 193 #define SONYPI_CAMERA_HUE 2 194 #define SONYPI_CAMERA_COLOR 3 195 #define SONYPI_CAMERA_SHARPNESS 4 196 197 #define SONYPI_CAMERA_PICTURE 5 198 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 199 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 200 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 201 #define SONYPI_CAMERA_MUTE_MASK 0x40 202 203 /* the rest don't need a loop until not 0xff */ 204 #define SONYPI_CAMERA_AGC 6 205 #define SONYPI_CAMERA_AGC_MASK 0x30 206 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 207 208 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 209 #define SONYPI_CAMERA_CONTROL 0x10 210 211 #define SONYPI_CAMERA_STATUS 7 212 #define SONYPI_CAMERA_STATUS_READY 0x2 213 #define SONYPI_CAMERA_STATUS_POSITION 0x4 214 215 #define SONYPI_DIRECTION_BACKWARDS 0x4 216 217 #define SONYPI_CAMERA_REVISION 8 218 #define SONYPI_CAMERA_ROMVERSION 9 219 220 /* Event masks */ 221 #define SONYPI_JOGGER_MASK 0x00000001 222 #define SONYPI_CAPTURE_MASK 0x00000002 223 #define SONYPI_FNKEY_MASK 0x00000004 224 #define SONYPI_BLUETOOTH_MASK 0x00000008 225 #define SONYPI_PKEY_MASK 0x00000010 226 #define SONYPI_BACK_MASK 0x00000020 227 #define SONYPI_HELP_MASK 0x00000040 228 #define SONYPI_LID_MASK 0x00000080 229 #define SONYPI_ZOOM_MASK 0x00000100 230 #define SONYPI_THUMBPHRASE_MASK 0x00000200 231 #define SONYPI_MEYE_MASK 0x00000400 232 #define SONYPI_MEMORYSTICK_MASK 0x00000800 233 #define SONYPI_BATTERY_MASK 0x00001000 234 #define SONYPI_WIRELESS_MASK 0x00002000 235 236 struct sonypi_event { 237 u8 data; 238 u8 event; 239 }; 240 241 /* The set of possible button release events */ 242 static struct sonypi_event sonypi_releaseev[] = { 243 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 244 { 0, 0 } 245 }; 246 247 /* The set of possible jogger events */ 248 static struct sonypi_event sonypi_joggerev[] = { 249 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 250 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 251 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 252 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 253 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 254 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 255 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 256 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 257 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 258 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 259 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 260 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 261 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 262 { 0, 0 } 263 }; 264 265 /* The set of possible capture button events */ 266 static struct sonypi_event sonypi_captureev[] = { 267 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 268 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 269 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 270 { 0, 0 } 271 }; 272 273 /* The set of possible fnkeys events */ 274 static struct sonypi_event sonypi_fnkeyev[] = { 275 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 276 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 277 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 278 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 279 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 280 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 281 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 282 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 283 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 284 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 285 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 286 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 287 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 288 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 289 { 0x21, SONYPI_EVENT_FNKEY_1 }, 290 { 0x22, SONYPI_EVENT_FNKEY_2 }, 291 { 0x31, SONYPI_EVENT_FNKEY_D }, 292 { 0x32, SONYPI_EVENT_FNKEY_E }, 293 { 0x33, SONYPI_EVENT_FNKEY_F }, 294 { 0x34, SONYPI_EVENT_FNKEY_S }, 295 { 0x35, SONYPI_EVENT_FNKEY_B }, 296 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 297 { 0, 0 } 298 }; 299 300 /* The set of possible program key events */ 301 static struct sonypi_event sonypi_pkeyev[] = { 302 { 0x01, SONYPI_EVENT_PKEY_P1 }, 303 { 0x02, SONYPI_EVENT_PKEY_P2 }, 304 { 0x04, SONYPI_EVENT_PKEY_P3 }, 305 { 0x5c, SONYPI_EVENT_PKEY_P1 }, 306 { 0, 0 } 307 }; 308 309 /* The set of possible bluetooth events */ 310 static struct sonypi_event sonypi_blueev[] = { 311 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 312 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 313 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 314 { 0, 0 } 315 }; 316 317 /* The set of possible wireless events */ 318 static struct sonypi_event sonypi_wlessev[] = { 319 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 320 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 321 { 0, 0 } 322 }; 323 324 /* The set of possible back button events */ 325 static struct sonypi_event sonypi_backev[] = { 326 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 327 { 0, 0 } 328 }; 329 330 /* The set of possible help button events */ 331 static struct sonypi_event sonypi_helpev[] = { 332 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 333 { 0, 0 } 334 }; 335 336 337 /* The set of possible lid events */ 338 static struct sonypi_event sonypi_lidev[] = { 339 { 0x51, SONYPI_EVENT_LID_CLOSED }, 340 { 0x50, SONYPI_EVENT_LID_OPENED }, 341 { 0, 0 } 342 }; 343 344 /* The set of possible zoom events */ 345 static struct sonypi_event sonypi_zoomev[] = { 346 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 347 { 0, 0 } 348 }; 349 350 /* The set of possible thumbphrase events */ 351 static struct sonypi_event sonypi_thumbphraseev[] = { 352 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 353 { 0, 0 } 354 }; 355 356 /* The set of possible motioneye camera events */ 357 static struct sonypi_event sonypi_meyeev[] = { 358 { 0x00, SONYPI_EVENT_MEYE_FACE }, 359 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 360 { 0, 0 } 361 }; 362 363 /* The set of possible memorystick events */ 364 static struct sonypi_event sonypi_memorystickev[] = { 365 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 366 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 367 { 0, 0 } 368 }; 369 370 /* The set of possible battery events */ 371 static struct sonypi_event sonypi_batteryev[] = { 372 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 373 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 374 { 0, 0 } 375 }; 376 377 static struct sonypi_eventtypes { 378 int model; 379 u8 data; 380 unsigned long mask; 381 struct sonypi_event * events; 382 } sonypi_eventtypes[] = { 383 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev }, 384 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 385 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev }, 386 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 387 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 388 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 389 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 390 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 391 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 392 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 393 394 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev }, 395 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev }, 396 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 397 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 398 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 399 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 400 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 401 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev }, 402 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 403 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 404 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 405 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 406 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 407 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 408 409 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev }, 410 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 411 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 412 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 413 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 414 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 415 { 0 } 416 }; 417 418 #define SONYPI_BUF_SIZE 128 419 420 /* Correspondance table between sonypi events and input layer events */ 421 static struct { 422 int sonypiev; 423 int inputev; 424 } sonypi_inputkeys[] = { 425 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA }, 426 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN }, 427 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC }, 428 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 }, 429 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 }, 430 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 }, 431 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 }, 432 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 }, 433 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 }, 434 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 }, 435 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 }, 436 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 }, 437 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 }, 438 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 }, 439 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 }, 440 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 }, 441 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 }, 442 { SONYPI_EVENT_FNKEY_D, KEY_FN_D }, 443 { SONYPI_EVENT_FNKEY_E, KEY_FN_E }, 444 { SONYPI_EVENT_FNKEY_F, KEY_FN_F }, 445 { SONYPI_EVENT_FNKEY_S, KEY_FN_S }, 446 { SONYPI_EVENT_FNKEY_B, KEY_FN_B }, 447 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE }, 448 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE }, 449 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 }, 450 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 }, 451 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 }, 452 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK }, 453 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP }, 454 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM }, 455 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB }, 456 { 0, 0 }, 457 }; 458 459 struct sonypi_keypress { 460 struct input_dev *dev; 461 int key; 462 }; 463 464 static struct sonypi_device { 465 struct pci_dev *dev; 466 u16 irq; 467 u16 bits; 468 u16 ioport1; 469 u16 ioport2; 470 u16 region_size; 471 u16 evtype_offset; 472 int camera_power; 473 int bluetooth_power; 474 struct mutex lock; 475 struct kfifo fifo; 476 spinlock_t fifo_lock; 477 wait_queue_head_t fifo_proc_list; 478 struct fasync_struct *fifo_async; 479 int open_count; 480 int model; 481 struct input_dev *input_jog_dev; 482 struct input_dev *input_key_dev; 483 struct work_struct input_work; 484 struct kfifo input_fifo; 485 spinlock_t input_fifo_lock; 486 } sonypi_device; 487 488 #define ITERATIONS_LONG 10000 489 #define ITERATIONS_SHORT 10 490 491 #define wait_on_command(quiet, command, iterations) { \ 492 unsigned int n = iterations; \ 493 while (--n && (command)) \ 494 udelay(1); \ 495 if (!n && (verbose || !quiet)) \ 496 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \ 497 } 498 499 #ifdef CONFIG_ACPI 500 #define SONYPI_ACPI_ACTIVE (!acpi_disabled) 501 #else 502 #define SONYPI_ACPI_ACTIVE 0 503 #endif /* CONFIG_ACPI */ 504 505 #ifdef CONFIG_ACPI 506 static struct acpi_device *sonypi_acpi_device; 507 static int acpi_driver_registered; 508 #endif 509 510 static int sonypi_ec_write(u8 addr, u8 value) 511 { 512 #ifdef CONFIG_ACPI 513 if (SONYPI_ACPI_ACTIVE) 514 return ec_write(addr, value); 515 #endif 516 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); 517 outb_p(0x81, SONYPI_CST_IOPORT); 518 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 519 outb_p(addr, SONYPI_DATA_IOPORT); 520 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 521 outb_p(value, SONYPI_DATA_IOPORT); 522 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 523 return 0; 524 } 525 526 static int sonypi_ec_read(u8 addr, u8 *value) 527 { 528 #ifdef CONFIG_ACPI 529 if (SONYPI_ACPI_ACTIVE) 530 return ec_read(addr, value); 531 #endif 532 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); 533 outb_p(0x80, SONYPI_CST_IOPORT); 534 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 535 outb_p(addr, SONYPI_DATA_IOPORT); 536 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 537 *value = inb_p(SONYPI_DATA_IOPORT); 538 return 0; 539 } 540 541 static int ec_read16(u8 addr, u16 *value) 542 { 543 u8 val_lb, val_hb; 544 if (sonypi_ec_read(addr, &val_lb)) 545 return -1; 546 if (sonypi_ec_read(addr + 1, &val_hb)) 547 return -1; 548 *value = val_lb | (val_hb << 8); 549 return 0; 550 } 551 552 /* Initializes the device - this comes from the AML code in the ACPI bios */ 553 static void sonypi_type1_srs(void) 554 { 555 u32 v; 556 557 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 558 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1); 559 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 560 561 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 562 v = (v & 0xFFF0FFFF) | 563 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16); 564 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 565 566 v = inl(SONYPI_IRQ_PORT); 567 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT); 568 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT); 569 outl(v, SONYPI_IRQ_PORT); 570 571 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 572 v = (v & 0xFF1FFFFF) | 0x00C00000; 573 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 574 } 575 576 static void sonypi_type2_srs(void) 577 { 578 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8)) 579 printk(KERN_WARNING "ec_write failed\n"); 580 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF)) 581 printk(KERN_WARNING "ec_write failed\n"); 582 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits)) 583 printk(KERN_WARNING "ec_write failed\n"); 584 udelay(10); 585 } 586 587 static void sonypi_type3_srs(void) 588 { 589 u16 v16; 590 u8 v8; 591 592 /* This model type uses the same initialization of 593 * the embedded controller as the type2 models. */ 594 sonypi_type2_srs(); 595 596 /* Initialization of PCI config space of the LPC interface bridge. */ 597 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01; 598 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16); 599 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8); 600 v8 = (v8 & 0xCF) | 0x10; 601 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8); 602 } 603 604 /* Disables the device - this comes from the AML code in the ACPI bios */ 605 static void sonypi_type1_dis(void) 606 { 607 u32 v; 608 609 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 610 v = v & 0xFF3FFFFF; 611 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 612 613 v = inl(SONYPI_IRQ_PORT); 614 v |= (0x3 << SONYPI_IRQ_SHIFT); 615 outl(v, SONYPI_IRQ_PORT); 616 } 617 618 static void sonypi_type2_dis(void) 619 { 620 if (sonypi_ec_write(SONYPI_SHIB, 0)) 621 printk(KERN_WARNING "ec_write failed\n"); 622 if (sonypi_ec_write(SONYPI_SLOB, 0)) 623 printk(KERN_WARNING "ec_write failed\n"); 624 if (sonypi_ec_write(SONYPI_SIRQ, 0)) 625 printk(KERN_WARNING "ec_write failed\n"); 626 } 627 628 static void sonypi_type3_dis(void) 629 { 630 sonypi_type2_dis(); 631 udelay(10); 632 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0); 633 } 634 635 static u8 sonypi_call1(u8 dev) 636 { 637 u8 v1, v2; 638 639 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 640 outb(dev, sonypi_device.ioport2); 641 v1 = inb_p(sonypi_device.ioport2); 642 v2 = inb_p(sonypi_device.ioport1); 643 return v2; 644 } 645 646 static u8 sonypi_call2(u8 dev, u8 fn) 647 { 648 u8 v1; 649 650 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 651 outb(dev, sonypi_device.ioport2); 652 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 653 outb(fn, sonypi_device.ioport1); 654 v1 = inb_p(sonypi_device.ioport1); 655 return v1; 656 } 657 658 static u8 sonypi_call3(u8 dev, u8 fn, u8 v) 659 { 660 u8 v1; 661 662 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 663 outb(dev, sonypi_device.ioport2); 664 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 665 outb(fn, sonypi_device.ioport1); 666 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 667 outb(v, sonypi_device.ioport1); 668 v1 = inb_p(sonypi_device.ioport1); 669 return v1; 670 } 671 672 #if 0 673 /* Get brightness, hue etc. Unreliable... */ 674 static u8 sonypi_read(u8 fn) 675 { 676 u8 v1, v2; 677 int n = 100; 678 679 while (n--) { 680 v1 = sonypi_call2(0x8f, fn); 681 v2 = sonypi_call2(0x8f, fn); 682 if (v1 == v2 && v1 != 0xff) 683 return v1; 684 } 685 return 0xff; 686 } 687 #endif 688 689 /* Set brightness, hue etc */ 690 static void sonypi_set(u8 fn, u8 v) 691 { 692 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT); 693 } 694 695 /* Tests if the camera is ready */ 696 static int sonypi_camera_ready(void) 697 { 698 u8 v; 699 700 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS); 701 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 702 } 703 704 /* Turns the camera off */ 705 static void sonypi_camera_off(void) 706 { 707 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK); 708 709 if (!sonypi_device.camera_power) 710 return; 711 712 sonypi_call2(0x91, 0); 713 sonypi_device.camera_power = 0; 714 } 715 716 /* Turns the camera on */ 717 static void sonypi_camera_on(void) 718 { 719 int i, j; 720 721 if (sonypi_device.camera_power) 722 return; 723 724 for (j = 5; j > 0; j--) { 725 726 while (sonypi_call2(0x91, 0x1)) 727 msleep(10); 728 sonypi_call1(0x93); 729 730 for (i = 400; i > 0; i--) { 731 if (sonypi_camera_ready()) 732 break; 733 msleep(10); 734 } 735 if (i) 736 break; 737 } 738 739 if (j == 0) { 740 printk(KERN_WARNING "sonypi: failed to power on camera\n"); 741 return; 742 } 743 744 sonypi_set(0x10, 0x5a); 745 sonypi_device.camera_power = 1; 746 } 747 748 /* sets the bluetooth subsystem power state */ 749 static void sonypi_setbluetoothpower(u8 state) 750 { 751 state = !!state; 752 753 if (sonypi_device.bluetooth_power == state) 754 return; 755 756 sonypi_call2(0x96, state); 757 sonypi_call1(0x82); 758 sonypi_device.bluetooth_power = state; 759 } 760 761 static void input_keyrelease(struct work_struct *work) 762 { 763 struct sonypi_keypress kp; 764 765 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp, 766 sizeof(kp), &sonypi_device.input_fifo_lock) 767 == sizeof(kp)) { 768 msleep(10); 769 input_report_key(kp.dev, kp.key, 0); 770 input_sync(kp.dev); 771 } 772 } 773 774 static void sonypi_report_input_event(u8 event) 775 { 776 struct input_dev *jog_dev = sonypi_device.input_jog_dev; 777 struct input_dev *key_dev = sonypi_device.input_key_dev; 778 struct sonypi_keypress kp = { NULL }; 779 int i; 780 781 switch (event) { 782 case SONYPI_EVENT_JOGDIAL_UP: 783 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 784 input_report_rel(jog_dev, REL_WHEEL, 1); 785 input_sync(jog_dev); 786 break; 787 788 case SONYPI_EVENT_JOGDIAL_DOWN: 789 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 790 input_report_rel(jog_dev, REL_WHEEL, -1); 791 input_sync(jog_dev); 792 break; 793 794 case SONYPI_EVENT_JOGDIAL_PRESSED: 795 kp.key = BTN_MIDDLE; 796 kp.dev = jog_dev; 797 break; 798 799 case SONYPI_EVENT_FNKEY_RELEASED: 800 /* Nothing, not all VAIOs generate this event */ 801 break; 802 803 default: 804 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) 805 if (event == sonypi_inputkeys[i].sonypiev) { 806 kp.dev = key_dev; 807 kp.key = sonypi_inputkeys[i].inputev; 808 break; 809 } 810 break; 811 } 812 813 if (kp.dev) { 814 input_report_key(kp.dev, kp.key, 1); 815 input_sync(kp.dev); 816 kfifo_in_locked(&sonypi_device.input_fifo, 817 (unsigned char *)&kp, sizeof(kp), 818 &sonypi_device.input_fifo_lock); 819 schedule_work(&sonypi_device.input_work); 820 } 821 } 822 823 /* Interrupt handler: some event is available */ 824 static irqreturn_t sonypi_irq(int irq, void *dev_id) 825 { 826 u8 v1, v2, event = 0; 827 int i, j; 828 829 v1 = inb_p(sonypi_device.ioport1); 830 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset); 831 832 for (i = 0; sonypi_eventtypes[i].model; i++) { 833 if (sonypi_device.model != sonypi_eventtypes[i].model) 834 continue; 835 if ((v2 & sonypi_eventtypes[i].data) != 836 sonypi_eventtypes[i].data) 837 continue; 838 if (!(mask & sonypi_eventtypes[i].mask)) 839 continue; 840 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) { 841 if (v1 == sonypi_eventtypes[i].events[j].data) { 842 event = sonypi_eventtypes[i].events[j].event; 843 goto found; 844 } 845 } 846 } 847 848 if (verbose) 849 printk(KERN_WARNING 850 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n", 851 v1, v2); 852 /* We need to return IRQ_HANDLED here because there *are* 853 * events belonging to the sonypi device we don't know about, 854 * but we still don't want those to pollute the logs... */ 855 return IRQ_HANDLED; 856 857 found: 858 if (verbose > 1) 859 printk(KERN_INFO 860 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2); 861 862 if (useinput) 863 sonypi_report_input_event(event); 864 865 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event, 866 sizeof(event), &sonypi_device.fifo_lock); 867 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); 868 wake_up_interruptible(&sonypi_device.fifo_proc_list); 869 870 return IRQ_HANDLED; 871 } 872 873 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 874 { 875 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async); 876 } 877 878 static int sonypi_misc_release(struct inode *inode, struct file *file) 879 { 880 mutex_lock(&sonypi_device.lock); 881 sonypi_device.open_count--; 882 mutex_unlock(&sonypi_device.lock); 883 return 0; 884 } 885 886 static int sonypi_misc_open(struct inode *inode, struct file *file) 887 { 888 mutex_lock(&sonypi_device.lock); 889 /* Flush input queue on first open */ 890 if (!sonypi_device.open_count) 891 kfifo_reset(&sonypi_device.fifo); 892 sonypi_device.open_count++; 893 mutex_unlock(&sonypi_device.lock); 894 895 return 0; 896 } 897 898 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 899 size_t count, loff_t *pos) 900 { 901 ssize_t ret; 902 unsigned char c; 903 904 if ((kfifo_len(&sonypi_device.fifo) == 0) && 905 (file->f_flags & O_NONBLOCK)) 906 return -EAGAIN; 907 908 ret = wait_event_interruptible(sonypi_device.fifo_proc_list, 909 kfifo_len(&sonypi_device.fifo) != 0); 910 if (ret) 911 return ret; 912 913 while (ret < count && 914 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c), 915 &sonypi_device.fifo_lock) == sizeof(c))) { 916 if (put_user(c, buf++)) 917 return -EFAULT; 918 ret++; 919 } 920 921 if (ret > 0) { 922 struct inode *inode = file_inode(file); 923 inode_set_atime_to_ts(inode, current_time(inode)); 924 } 925 926 return ret; 927 } 928 929 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 930 { 931 poll_wait(file, &sonypi_device.fifo_proc_list, wait); 932 if (kfifo_len(&sonypi_device.fifo)) 933 return EPOLLIN | EPOLLRDNORM; 934 return 0; 935 } 936 937 static long sonypi_misc_ioctl(struct file *fp, 938 unsigned int cmd, unsigned long arg) 939 { 940 long ret = 0; 941 void __user *argp = (void __user *)arg; 942 u8 val8; 943 u16 val16; 944 945 mutex_lock(&sonypi_device.lock); 946 switch (cmd) { 947 case SONYPI_IOCGBRT: 948 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) { 949 ret = -EIO; 950 break; 951 } 952 if (copy_to_user(argp, &val8, sizeof(val8))) 953 ret = -EFAULT; 954 break; 955 case SONYPI_IOCSBRT: 956 if (copy_from_user(&val8, argp, sizeof(val8))) { 957 ret = -EFAULT; 958 break; 959 } 960 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8)) 961 ret = -EIO; 962 break; 963 case SONYPI_IOCGBAT1CAP: 964 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 965 ret = -EIO; 966 break; 967 } 968 if (copy_to_user(argp, &val16, sizeof(val16))) 969 ret = -EFAULT; 970 break; 971 case SONYPI_IOCGBAT1REM: 972 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 973 ret = -EIO; 974 break; 975 } 976 if (copy_to_user(argp, &val16, sizeof(val16))) 977 ret = -EFAULT; 978 break; 979 case SONYPI_IOCGBAT2CAP: 980 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 981 ret = -EIO; 982 break; 983 } 984 if (copy_to_user(argp, &val16, sizeof(val16))) 985 ret = -EFAULT; 986 break; 987 case SONYPI_IOCGBAT2REM: 988 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 989 ret = -EIO; 990 break; 991 } 992 if (copy_to_user(argp, &val16, sizeof(val16))) 993 ret = -EFAULT; 994 break; 995 case SONYPI_IOCGBATFLAGS: 996 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) { 997 ret = -EIO; 998 break; 999 } 1000 val8 &= 0x07; 1001 if (copy_to_user(argp, &val8, sizeof(val8))) 1002 ret = -EFAULT; 1003 break; 1004 case SONYPI_IOCGBLUE: 1005 val8 = sonypi_device.bluetooth_power; 1006 if (copy_to_user(argp, &val8, sizeof(val8))) 1007 ret = -EFAULT; 1008 break; 1009 case SONYPI_IOCSBLUE: 1010 if (copy_from_user(&val8, argp, sizeof(val8))) { 1011 ret = -EFAULT; 1012 break; 1013 } 1014 sonypi_setbluetoothpower(val8); 1015 break; 1016 /* FAN Controls */ 1017 case SONYPI_IOCGFAN: 1018 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) { 1019 ret = -EIO; 1020 break; 1021 } 1022 if (copy_to_user(argp, &val8, sizeof(val8))) 1023 ret = -EFAULT; 1024 break; 1025 case SONYPI_IOCSFAN: 1026 if (copy_from_user(&val8, argp, sizeof(val8))) { 1027 ret = -EFAULT; 1028 break; 1029 } 1030 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8)) 1031 ret = -EIO; 1032 break; 1033 /* GET Temperature (useful under APM) */ 1034 case SONYPI_IOCGTEMP: 1035 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) { 1036 ret = -EIO; 1037 break; 1038 } 1039 if (copy_to_user(argp, &val8, sizeof(val8))) 1040 ret = -EFAULT; 1041 break; 1042 default: 1043 ret = -EINVAL; 1044 } 1045 mutex_unlock(&sonypi_device.lock); 1046 return ret; 1047 } 1048 1049 static const struct file_operations sonypi_misc_fops = { 1050 .owner = THIS_MODULE, 1051 .read = sonypi_misc_read, 1052 .poll = sonypi_misc_poll, 1053 .open = sonypi_misc_open, 1054 .release = sonypi_misc_release, 1055 .fasync = sonypi_misc_fasync, 1056 .unlocked_ioctl = sonypi_misc_ioctl, 1057 }; 1058 1059 static struct miscdevice sonypi_misc_device = { 1060 .minor = MISC_DYNAMIC_MINOR, 1061 .name = "sonypi", 1062 .fops = &sonypi_misc_fops, 1063 }; 1064 1065 static void sonypi_enable(unsigned int camera_on) 1066 { 1067 switch (sonypi_device.model) { 1068 case SONYPI_DEVICE_MODEL_TYPE1: 1069 sonypi_type1_srs(); 1070 break; 1071 case SONYPI_DEVICE_MODEL_TYPE2: 1072 sonypi_type2_srs(); 1073 break; 1074 case SONYPI_DEVICE_MODEL_TYPE3: 1075 sonypi_type3_srs(); 1076 break; 1077 } 1078 1079 sonypi_call1(0x82); 1080 sonypi_call2(0x81, 0xff); 1081 sonypi_call1(compat ? 0x92 : 0x82); 1082 1083 /* Enable ACPI mode to get Fn key events */ 1084 if (!SONYPI_ACPI_ACTIVE && fnkeyinit) 1085 outb(0xf0, 0xb2); 1086 1087 if (camera && camera_on) 1088 sonypi_camera_on(); 1089 } 1090 1091 static int sonypi_disable(void) 1092 { 1093 sonypi_call2(0x81, 0); /* make sure we don't get any more events */ 1094 if (camera) 1095 sonypi_camera_off(); 1096 1097 /* disable ACPI mode */ 1098 if (!SONYPI_ACPI_ACTIVE && fnkeyinit) 1099 outb(0xf1, 0xb2); 1100 1101 switch (sonypi_device.model) { 1102 case SONYPI_DEVICE_MODEL_TYPE1: 1103 sonypi_type1_dis(); 1104 break; 1105 case SONYPI_DEVICE_MODEL_TYPE2: 1106 sonypi_type2_dis(); 1107 break; 1108 case SONYPI_DEVICE_MODEL_TYPE3: 1109 sonypi_type3_dis(); 1110 break; 1111 } 1112 1113 return 0; 1114 } 1115 1116 #ifdef CONFIG_ACPI 1117 static int sonypi_acpi_add(struct acpi_device *device) 1118 { 1119 sonypi_acpi_device = device; 1120 strcpy(acpi_device_name(device), "Sony laptop hotkeys"); 1121 strcpy(acpi_device_class(device), "sony/hotkey"); 1122 return 0; 1123 } 1124 1125 static void sonypi_acpi_remove(struct acpi_device *device) 1126 { 1127 sonypi_acpi_device = NULL; 1128 } 1129 1130 static const struct acpi_device_id sonypi_device_ids[] = { 1131 {"SNY6001", 0}, 1132 {"", 0}, 1133 }; 1134 1135 static struct acpi_driver sonypi_acpi_driver = { 1136 .name = "sonypi", 1137 .class = "hkey", 1138 .ids = sonypi_device_ids, 1139 .ops = { 1140 .add = sonypi_acpi_add, 1141 .remove = sonypi_acpi_remove, 1142 }, 1143 }; 1144 #endif 1145 1146 static int sonypi_create_input_devices(struct platform_device *pdev) 1147 { 1148 struct input_dev *jog_dev; 1149 struct input_dev *key_dev; 1150 int i; 1151 int error; 1152 1153 sonypi_device.input_jog_dev = jog_dev = input_allocate_device(); 1154 if (!jog_dev) 1155 return -ENOMEM; 1156 1157 jog_dev->name = "Sony Vaio Jogdial"; 1158 jog_dev->id.bustype = BUS_ISA; 1159 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 1160 jog_dev->dev.parent = &pdev->dev; 1161 1162 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 1163 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); 1164 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); 1165 1166 sonypi_device.input_key_dev = key_dev = input_allocate_device(); 1167 if (!key_dev) { 1168 error = -ENOMEM; 1169 goto err_free_jogdev; 1170 } 1171 1172 key_dev->name = "Sony Vaio Keys"; 1173 key_dev->id.bustype = BUS_ISA; 1174 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 1175 key_dev->dev.parent = &pdev->dev; 1176 1177 /* Initialize the Input Drivers: special keys */ 1178 key_dev->evbit[0] = BIT_MASK(EV_KEY); 1179 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) 1180 if (sonypi_inputkeys[i].inputev) 1181 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit); 1182 1183 error = input_register_device(jog_dev); 1184 if (error) 1185 goto err_free_keydev; 1186 1187 error = input_register_device(key_dev); 1188 if (error) 1189 goto err_unregister_jogdev; 1190 1191 return 0; 1192 1193 err_unregister_jogdev: 1194 input_unregister_device(jog_dev); 1195 /* Set to NULL so we don't free it again below */ 1196 jog_dev = NULL; 1197 err_free_keydev: 1198 input_free_device(key_dev); 1199 sonypi_device.input_key_dev = NULL; 1200 err_free_jogdev: 1201 input_free_device(jog_dev); 1202 sonypi_device.input_jog_dev = NULL; 1203 1204 return error; 1205 } 1206 1207 static int sonypi_setup_ioports(struct sonypi_device *dev, 1208 const struct sonypi_ioport_list *ioport_list) 1209 { 1210 /* try to detect if sony-laptop is being used and thus 1211 * has already requested one of the known ioports. 1212 * As in the deprecated check_region this is racy has we have 1213 * multiple ioports available and one of them can be requested 1214 * between this check and the subsequent request. Anyway, as an 1215 * attempt to be some more user-friendly as we currently are, 1216 * this is enough. 1217 */ 1218 const struct sonypi_ioport_list *check = ioport_list; 1219 while (check_ioport && check->port1) { 1220 if (!request_region(check->port1, 1221 sonypi_device.region_size, 1222 "Sony Programmable I/O Device Check")) { 1223 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? " 1224 "if not use check_ioport=0\n", 1225 check->port1); 1226 return -EBUSY; 1227 } 1228 release_region(check->port1, sonypi_device.region_size); 1229 check++; 1230 } 1231 1232 while (ioport_list->port1) { 1233 1234 if (request_region(ioport_list->port1, 1235 sonypi_device.region_size, 1236 "Sony Programmable I/O Device")) { 1237 dev->ioport1 = ioport_list->port1; 1238 dev->ioport2 = ioport_list->port2; 1239 return 0; 1240 } 1241 ioport_list++; 1242 } 1243 1244 return -EBUSY; 1245 } 1246 1247 static int sonypi_setup_irq(struct sonypi_device *dev, 1248 const struct sonypi_irq_list *irq_list) 1249 { 1250 while (irq_list->irq) { 1251 1252 if (!request_irq(irq_list->irq, sonypi_irq, 1253 IRQF_SHARED, "sonypi", sonypi_irq)) { 1254 dev->irq = irq_list->irq; 1255 dev->bits = irq_list->bits; 1256 return 0; 1257 } 1258 irq_list++; 1259 } 1260 1261 return -EBUSY; 1262 } 1263 1264 static void sonypi_display_info(void) 1265 { 1266 printk(KERN_INFO "sonypi: detected type%d model, " 1267 "verbose = %d, fnkeyinit = %s, camera = %s, " 1268 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", 1269 sonypi_device.model, 1270 verbose, 1271 fnkeyinit ? "on" : "off", 1272 camera ? "on" : "off", 1273 compat ? "on" : "off", 1274 mask, 1275 useinput ? "on" : "off", 1276 SONYPI_ACPI_ACTIVE ? "on" : "off"); 1277 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", 1278 sonypi_device.irq, 1279 sonypi_device.ioport1, sonypi_device.ioport2); 1280 1281 if (minor == -1) 1282 printk(KERN_INFO "sonypi: device allocated minor is %d\n", 1283 sonypi_misc_device.minor); 1284 } 1285 1286 static int sonypi_probe(struct platform_device *dev) 1287 { 1288 const struct sonypi_ioport_list *ioport_list; 1289 const struct sonypi_irq_list *irq_list; 1290 struct pci_dev *pcidev; 1291 int error; 1292 1293 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead " 1294 "and report failures, see also " 1295 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n"); 1296 1297 spin_lock_init(&sonypi_device.fifo_lock); 1298 error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL); 1299 if (error) { 1300 printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); 1301 return error; 1302 } 1303 1304 init_waitqueue_head(&sonypi_device.fifo_proc_list); 1305 mutex_init(&sonypi_device.lock); 1306 sonypi_device.bluetooth_power = -1; 1307 1308 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1309 PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) 1310 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; 1311 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1312 PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) 1313 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1314 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1315 PCI_DEVICE_ID_INTEL_ICH7_1, NULL))) 1316 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1317 else 1318 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; 1319 1320 if (pcidev && pci_enable_device(pcidev)) { 1321 printk(KERN_ERR "sonypi: pci_enable_device failed\n"); 1322 error = -EIO; 1323 goto err_put_pcidev; 1324 } 1325 1326 sonypi_device.dev = pcidev; 1327 1328 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) { 1329 ioport_list = sonypi_type1_ioport_list; 1330 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE; 1331 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET; 1332 irq_list = sonypi_type1_irq_list; 1333 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) { 1334 ioport_list = sonypi_type2_ioport_list; 1335 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE; 1336 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET; 1337 irq_list = sonypi_type2_irq_list; 1338 } else { 1339 ioport_list = sonypi_type3_ioport_list; 1340 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE; 1341 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET; 1342 irq_list = sonypi_type3_irq_list; 1343 } 1344 1345 error = sonypi_setup_ioports(&sonypi_device, ioport_list); 1346 if (error) { 1347 printk(KERN_ERR "sonypi: failed to request ioports\n"); 1348 goto err_disable_pcidev; 1349 } 1350 1351 error = sonypi_setup_irq(&sonypi_device, irq_list); 1352 if (error) { 1353 printk(KERN_ERR "sonypi: request_irq failed\n"); 1354 goto err_free_ioports; 1355 } 1356 1357 if (minor != -1) 1358 sonypi_misc_device.minor = minor; 1359 error = misc_register(&sonypi_misc_device); 1360 if (error) { 1361 printk(KERN_ERR "sonypi: misc_register failed\n"); 1362 goto err_free_irq; 1363 } 1364 1365 sonypi_display_info(); 1366 1367 if (useinput) { 1368 1369 error = sonypi_create_input_devices(dev); 1370 if (error) { 1371 printk(KERN_ERR 1372 "sonypi: failed to create input devices\n"); 1373 goto err_miscdev_unregister; 1374 } 1375 1376 spin_lock_init(&sonypi_device.input_fifo_lock); 1377 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE, 1378 GFP_KERNEL); 1379 if (error) { 1380 printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); 1381 goto err_inpdev_unregister; 1382 } 1383 1384 INIT_WORK(&sonypi_device.input_work, input_keyrelease); 1385 } 1386 1387 sonypi_enable(0); 1388 1389 return 0; 1390 1391 err_inpdev_unregister: 1392 input_unregister_device(sonypi_device.input_key_dev); 1393 input_unregister_device(sonypi_device.input_jog_dev); 1394 err_miscdev_unregister: 1395 misc_deregister(&sonypi_misc_device); 1396 err_free_irq: 1397 free_irq(sonypi_device.irq, sonypi_irq); 1398 err_free_ioports: 1399 release_region(sonypi_device.ioport1, sonypi_device.region_size); 1400 err_disable_pcidev: 1401 if (pcidev) 1402 pci_disable_device(pcidev); 1403 err_put_pcidev: 1404 pci_dev_put(pcidev); 1405 kfifo_free(&sonypi_device.fifo); 1406 1407 return error; 1408 } 1409 1410 static void sonypi_remove(struct platform_device *dev) 1411 { 1412 sonypi_disable(); 1413 1414 synchronize_irq(sonypi_device.irq); 1415 flush_work(&sonypi_device.input_work); 1416 1417 if (useinput) { 1418 input_unregister_device(sonypi_device.input_key_dev); 1419 input_unregister_device(sonypi_device.input_jog_dev); 1420 kfifo_free(&sonypi_device.input_fifo); 1421 } 1422 1423 misc_deregister(&sonypi_misc_device); 1424 1425 free_irq(sonypi_device.irq, sonypi_irq); 1426 release_region(sonypi_device.ioport1, sonypi_device.region_size); 1427 1428 if (sonypi_device.dev) { 1429 pci_disable_device(sonypi_device.dev); 1430 pci_dev_put(sonypi_device.dev); 1431 } 1432 1433 kfifo_free(&sonypi_device.fifo); 1434 } 1435 1436 #ifdef CONFIG_PM_SLEEP 1437 static int old_camera_power; 1438 1439 static int sonypi_suspend(struct device *dev) 1440 { 1441 old_camera_power = sonypi_device.camera_power; 1442 sonypi_disable(); 1443 1444 return 0; 1445 } 1446 1447 static int sonypi_resume(struct device *dev) 1448 { 1449 sonypi_enable(old_camera_power); 1450 return 0; 1451 } 1452 1453 static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume); 1454 #define SONYPI_PM (&sonypi_pm) 1455 #else 1456 #define SONYPI_PM NULL 1457 #endif 1458 1459 static void sonypi_shutdown(struct platform_device *dev) 1460 { 1461 sonypi_disable(); 1462 } 1463 1464 static struct platform_driver sonypi_driver = { 1465 .driver = { 1466 .name = "sonypi", 1467 .pm = SONYPI_PM, 1468 }, 1469 .probe = sonypi_probe, 1470 .remove = sonypi_remove, 1471 .shutdown = sonypi_shutdown, 1472 }; 1473 1474 static struct platform_device *sonypi_platform_device; 1475 1476 static const struct dmi_system_id sonypi_dmi_table[] __initconst = { 1477 { 1478 .ident = "Sony Vaio", 1479 .matches = { 1480 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 1481 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 1482 }, 1483 }, 1484 { 1485 .ident = "Sony Vaio", 1486 .matches = { 1487 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 1488 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 1489 }, 1490 }, 1491 { } 1492 }; 1493 1494 static int __init sonypi_init(void) 1495 { 1496 int error; 1497 1498 printk(KERN_INFO 1499 "sonypi: Sony Programmable I/O Controller Driver v%s.\n", 1500 SONYPI_DRIVER_VERSION); 1501 1502 if (!dmi_check_system(sonypi_dmi_table)) 1503 return -ENODEV; 1504 1505 error = platform_driver_register(&sonypi_driver); 1506 if (error) 1507 return error; 1508 1509 sonypi_platform_device = platform_device_alloc("sonypi", -1); 1510 if (!sonypi_platform_device) { 1511 error = -ENOMEM; 1512 goto err_driver_unregister; 1513 } 1514 1515 error = platform_device_add(sonypi_platform_device); 1516 if (error) 1517 goto err_free_device; 1518 1519 #ifdef CONFIG_ACPI 1520 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0) 1521 acpi_driver_registered = 1; 1522 #endif 1523 1524 return 0; 1525 1526 err_free_device: 1527 platform_device_put(sonypi_platform_device); 1528 err_driver_unregister: 1529 platform_driver_unregister(&sonypi_driver); 1530 return error; 1531 } 1532 1533 static void __exit sonypi_exit(void) 1534 { 1535 #ifdef CONFIG_ACPI 1536 if (acpi_driver_registered) 1537 acpi_bus_unregister_driver(&sonypi_acpi_driver); 1538 #endif 1539 platform_device_unregister(sonypi_platform_device); 1540 platform_driver_unregister(&sonypi_driver); 1541 printk(KERN_INFO "sonypi: removed.\n"); 1542 } 1543 1544 module_init(sonypi_init); 1545 module_exit(sonypi_exit); 1546