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sonypi.c
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linux-6.19.14/drivers/char/sonypi.c
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#include <linux/string_choices.h> 41 42#include <linux/uaccess.h> 43#include <asm/io.h> 44 45#include <linux/sonypi.h> 46 47#define SONYPI_DRIVER_VERSION "1.26" 48 49MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); 50MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver"); 51MODULE_LICENSE("GPL"); 52MODULE_VERSION(SONYPI_DRIVER_VERSION); 53 54static int minor = -1; 55module_param(minor, int, 0); 56MODULE_PARM_DESC(minor, 57 "minor number of the misc device, default is -1 (automatic)"); 58 59static int verbose; /* = 0 */ 60module_param(verbose, int, 0644); 61MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)"); 62 63static int fnkeyinit; /* = 0 */ 64module_param(fnkeyinit, int, 0444); 65MODULE_PARM_DESC(fnkeyinit, 66 "set this if your Fn keys do not generate any event"); 67 68static int camera; /* = 0 */ 69module_param(camera, int, 0444); 70MODULE_PARM_DESC(camera, 71 "set this if you have a MotionEye camera (PictureBook series)"); 72 73static int compat; /* = 0 */ 74module_param(compat, int, 0444); 75MODULE_PARM_DESC(compat, 76 "set this if you want to enable backward compatibility mode"); 77 78static unsigned long mask = 0xffffffff; 79module_param(mask, ulong, 0644); 80MODULE_PARM_DESC(mask, 81 "set this to the mask of event you want to enable (see doc)"); 82 83static int useinput = 1; 84module_param(useinput, int, 0444); 85MODULE_PARM_DESC(useinput, 86 "set this if you would like sonypi to feed events to the input subsystem"); 87 88static int check_ioport = 1; 89module_param(check_ioport, int, 0444); 90MODULE_PARM_DESC(check_ioport, 91 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong"); 92 93#define SONYPI_DEVICE_MODEL_TYPE1 1 94#define SONYPI_DEVICE_MODEL_TYPE2 2 95#define SONYPI_DEVICE_MODEL_TYPE3 3 96 97/* type1 models use those */ 98#define SONYPI_IRQ_PORT 0x8034 99#define SONYPI_IRQ_SHIFT 22 100#define SONYPI_TYPE1_BASE 0x50 101#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14) 102#define SONYPI_TYPE1_REGION_SIZE 0x08 103#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04 104 105/* type2 series specifics */ 106#define SONYPI_SIRQ 0x9b 107#define SONYPI_SLOB 0x9c 108#define SONYPI_SHIB 0x9d 109#define SONYPI_TYPE2_REGION_SIZE 0x20 110#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12 111 112/* type3 series specifics */ 113#define SONYPI_TYPE3_BASE 0x40 114#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */ 115#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */ 116#define SONYPI_TYPE3_REGION_SIZE 0x20 117#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12 118 119/* battery / brightness addresses */ 120#define SONYPI_BAT_FLAGS 0x81 121#define SONYPI_LCD_LIGHT 0x96 122#define SONYPI_BAT1_PCTRM 0xa0 123#define SONYPI_BAT1_LEFT 0xa2 124#define SONYPI_BAT1_MAXRT 0xa4 125#define SONYPI_BAT2_PCTRM 0xa8 126#define SONYPI_BAT2_LEFT 0xaa 127#define SONYPI_BAT2_MAXRT 0xac 128#define SONYPI_BAT1_MAXTK 0xb0 129#define SONYPI_BAT1_FULL 0xb2 130#define SONYPI_BAT2_MAXTK 0xb8 131#define SONYPI_BAT2_FULL 0xba 132 133/* FAN0 information (reverse engineered from ACPI tables) */ 134#define SONYPI_FAN0_STATUS 0x93 135#define SONYPI_TEMP_STATUS 0xC1 136 137/* ioports used for brightness and type2 events */ 138#define SONYPI_DATA_IOPORT 0x62 139#define SONYPI_CST_IOPORT 0x66 140 141/* The set of possible ioports */ 142struct sonypi_ioport_list { 143 u16 port1; 144 u16 port2; 145}; 146 147static struct sonypi_ioport_list sonypi_type1_ioport_list[] = { 148 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */ 149 { 0x1080, 0x1084 }, 150 { 0x1090, 0x1094 }, 151 { 0x10a0, 0x10a4 }, 152 { 0x10b0, 0x10b4 }, 153 { 0x0, 0x0 } 154}; 155 156static struct sonypi_ioport_list sonypi_type2_ioport_list[] = { 157 { 0x1080, 0x1084 }, 158 { 0x10a0, 0x10a4 }, 159 { 0x10c0, 0x10c4 }, 160 { 0x10e0, 0x10e4 }, 161 { 0x0, 0x0 } 162}; 163 164/* same as in type 2 models */ 165static struct sonypi_ioport_list *sonypi_type3_ioport_list = 166 sonypi_type2_ioport_list; 167 168/* The set of possible interrupts */ 169struct sonypi_irq_list { 170 u16 irq; 171 u16 bits; 172}; 173 174static struct sonypi_irq_list sonypi_type1_irq_list[] = { 175 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */ 176 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */ 177 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */ 178 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */ 179}; 180 181static struct sonypi_irq_list sonypi_type2_irq_list[] = { 182 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */ 183 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */ 184 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */ 185 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */ 186 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */ 187}; 188 189/* same as in type2 models */ 190static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list; 191 192#define SONYPI_CAMERA_BRIGHTNESS 0 193#define SONYPI_CAMERA_CONTRAST 1 194#define SONYPI_CAMERA_HUE 2 195#define SONYPI_CAMERA_COLOR 3 196#define SONYPI_CAMERA_SHARPNESS 4 197 198#define SONYPI_CAMERA_PICTURE 5 199#define SONYPI_CAMERA_EXPOSURE_MASK 0xC 200#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 201#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 202#define SONYPI_CAMERA_MUTE_MASK 0x40 203 204/* the rest don't need a loop until not 0xff */ 205#define SONYPI_CAMERA_AGC 6 206#define SONYPI_CAMERA_AGC_MASK 0x30 207#define SONYPI_CAMERA_SHUTTER_MASK 0x7 208 209#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 210#define SONYPI_CAMERA_CONTROL 0x10 211 212#define SONYPI_CAMERA_STATUS 7 213#define SONYPI_CAMERA_STATUS_READY 0x2 214#define SONYPI_CAMERA_STATUS_POSITION 0x4 215 216#define SONYPI_DIRECTION_BACKWARDS 0x4 217 218#define SONYPI_CAMERA_REVISION 8 219#define SONYPI_CAMERA_ROMVERSION 9 220 221/* Event masks */ 222#define SONYPI_JOGGER_MASK 0x00000001 223#define SONYPI_CAPTURE_MASK 0x00000002 224#define SONYPI_FNKEY_MASK 0x00000004 225#define SONYPI_BLUETOOTH_MASK 0x00000008 226#define SONYPI_PKEY_MASK 0x00000010 227#define SONYPI_BACK_MASK 0x00000020 228#define SONYPI_HELP_MASK 0x00000040 229#define SONYPI_LID_MASK 0x00000080 230#define SONYPI_ZOOM_MASK 0x00000100 231#define SONYPI_THUMBPHRASE_MASK 0x00000200 232#define SONYPI_MEYE_MASK 0x00000400 233#define SONYPI_MEMORYSTICK_MASK 0x00000800 234#define SONYPI_BATTERY_MASK 0x00001000 235#define SONYPI_WIRELESS_MASK 0x00002000 236 237struct sonypi_event { 238 u8 data; 239 u8 event; 240}; 241 242/* The set of possible button release events */ 243static struct sonypi_event sonypi_releaseev[] = { 244 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 245 { 0, 0 } 246}; 247 248/* The set of possible jogger events */ 249static struct sonypi_event sonypi_joggerev[] = { 250 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 251 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 252 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 253 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 254 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 255 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 256 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 257 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 258 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 259 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 260 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 261 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 262 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 263 { 0, 0 } 264}; 265 266/* The set of possible capture button events */ 267static struct sonypi_event sonypi_captureev[] = { 268 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 269 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 270 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 271 { 0, 0 } 272}; 273 274/* The set of possible fnkeys events */ 275static struct sonypi_event sonypi_fnkeyev[] = { 276 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 277 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 278 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 279 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 280 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 281 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 282 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 283 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 284 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 285 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 286 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 287 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 288 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 289 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 290 { 0x21, SONYPI_EVENT_FNKEY_1 }, 291 { 0x22, SONYPI_EVENT_FNKEY_2 }, 292 { 0x31, SONYPI_EVENT_FNKEY_D }, 293 { 0x32, SONYPI_EVENT_FNKEY_E }, 294 { 0x33, SONYPI_EVENT_FNKEY_F }, 295 { 0x34, SONYPI_EVENT_FNKEY_S }, 296 { 0x35, SONYPI_EVENT_FNKEY_B }, 297 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 298 { 0, 0 } 299}; 300 301/* The set of possible program key events */ 302static struct sonypi_event sonypi_pkeyev[] = { 303 { 0x01, SONYPI_EVENT_PKEY_P1 }, 304 { 0x02, SONYPI_EVENT_PKEY_P2 }, 305 { 0x04, SONYPI_EVENT_PKEY_P3 }, 306 { 0x5c, SONYPI_EVENT_PKEY_P1 }, 307 { 0, 0 } 308}; 309 310/* The set of possible bluetooth events */ 311static struct sonypi_event sonypi_blueev[] = { 312 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 313 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 314 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 315 { 0, 0 } 316}; 317 318/* The set of possible wireless events */ 319static struct sonypi_event sonypi_wlessev[] = { 320 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 321 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 322 { 0, 0 } 323}; 324 325/* The set of possible back button events */ 326static struct sonypi_event sonypi_backev[] = { 327 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 328 { 0, 0 } 329}; 330 331/* The set of possible help button events */ 332static struct sonypi_event sonypi_helpev[] = { 333 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 334 { 0, 0 } 335}; 336 337 338/* The set of possible lid events */ 339static struct sonypi_event sonypi_lidev[] = { 340 { 0x51, SONYPI_EVENT_LID_CLOSED }, 341 { 0x50, SONYPI_EVENT_LID_OPENED }, 342 { 0, 0 } 343}; 344 345/* The set of possible zoom events */ 346static struct sonypi_event sonypi_zoomev[] = { 347 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 348 { 0, 0 } 349}; 350 351/* The set of possible thumbphrase events */ 352static struct sonypi_event sonypi_thumbphraseev[] = { 353 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 354 { 0, 0 } 355}; 356 357/* The set of possible motioneye camera events */ 358static struct sonypi_event sonypi_meyeev[] = { 359 { 0x00, SONYPI_EVENT_MEYE_FACE }, 360 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 361 { 0, 0 } 362}; 363 364/* The set of possible memorystick events */ 365static struct sonypi_event sonypi_memorystickev[] = { 366 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 367 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 368 { 0, 0 } 369}; 370 371/* The set of possible battery events */ 372static struct sonypi_event sonypi_batteryev[] = { 373 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 374 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 375 { 0, 0 } 376}; 377 378static struct sonypi_eventtypes { 379 int model; 380 u8 data; 381 unsigned long mask; 382 struct sonypi_event * events; 383} sonypi_eventtypes[] = { 384 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev }, 385 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 386 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev }, 387 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 388 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 389 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 390 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 391 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 392 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 393 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 394 395 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev }, 396 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev }, 397 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 398 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 399 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 400 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 401 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 402 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev }, 403 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 404 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 405 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 406 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 407 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 408 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 409 410 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev }, 411 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 412 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 413 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 414 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 415 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 416 { 0 } 417}; 418 419#define SONYPI_BUF_SIZE 128 420 421/* Correspondance table between sonypi events and input layer events */ 422static struct { 423 int sonypiev; 424 int inputev; 425} sonypi_inputkeys[] = { 426 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA }, 427 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN }, 428 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC }, 429 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 }, 430 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 }, 431 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 }, 432 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 }, 433 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 }, 434 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 }, 435 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 }, 436 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 }, 437 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 }, 438 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 }, 439 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 }, 440 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 }, 441 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 }, 442 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 }, 443 { SONYPI_EVENT_FNKEY_D, KEY_FN_D }, 444 { SONYPI_EVENT_FNKEY_E, KEY_FN_E }, 445 { SONYPI_EVENT_FNKEY_F, KEY_FN_F }, 446 { SONYPI_EVENT_FNKEY_S, KEY_FN_S }, 447 { SONYPI_EVENT_FNKEY_B, KEY_FN_B }, 448 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE }, 449 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE }, 450 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 }, 451 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 }, 452 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 }, 453 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK }, 454 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP }, 455 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM }, 456 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB }, 457 { 0, 0 }, 458}; 459 460struct sonypi_keypress { 461 struct input_dev *dev; 462 int key; 463}; 464 465static struct sonypi_device { 466 struct pci_dev *dev; 467 u16 irq; 468 u16 bits; 469 u16 ioport1; 470 u16 ioport2; 471 u16 region_size; 472 u16 evtype_offset; 473 int camera_power; 474 int bluetooth_power; 475 struct mutex lock; 476 struct kfifo fifo; 477 spinlock_t fifo_lock; 478 wait_queue_head_t fifo_proc_list; 479 struct fasync_struct *fifo_async; 480 int open_count; 481 int model; 482 struct input_dev *input_jog_dev; 483 struct input_dev *input_key_dev; 484 struct work_struct input_work; 485 struct kfifo input_fifo; 486 spinlock_t input_fifo_lock; 487} sonypi_device; 488 489#define ITERATIONS_LONG 10000 490#define ITERATIONS_SHORT 10 491 492#define wait_on_command(quiet, command, iterations) { \ 493 unsigned int n = iterations; \ 494 while (--n && (command)) \ 495 udelay(1); \ 496 if (!n && (verbose || !quiet)) \ 497 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \ 498} 499 500#ifdef CONFIG_ACPI 501#define SONYPI_ACPI_ACTIVE (!acpi_disabled) 502#else 503#define SONYPI_ACPI_ACTIVE 0 504#endif /* CONFIG_ACPI */ 505 506#ifdef CONFIG_ACPI 507static struct acpi_device *sonypi_acpi_device; 508static int acpi_driver_registered; 509#endif 510 511static int sonypi_ec_write(u8 addr, u8 value) 512{ 513#ifdef CONFIG_ACPI 514 if (SONYPI_ACPI_ACTIVE) 515 return ec_write(addr, value); 516#endif 517 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); 518 outb_p(0x81, SONYPI_CST_IOPORT); 519 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 520 outb_p(addr, SONYPI_DATA_IOPORT); 521 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 522 outb_p(value, SONYPI_DATA_IOPORT); 523 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 524 return 0; 525} 526 527static int sonypi_ec_read(u8 addr, u8 *value) 528{ 529#ifdef CONFIG_ACPI 530 if (SONYPI_ACPI_ACTIVE) 531 return ec_read(addr, value); 532#endif 533 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG); 534 outb_p(0x80, SONYPI_CST_IOPORT); 535 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 536 outb_p(addr, SONYPI_DATA_IOPORT); 537 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG); 538 *value = inb_p(SONYPI_DATA_IOPORT); 539 return 0; 540} 541 542static int ec_read16(u8 addr, u16 *value) 543{ 544 u8 val_lb, val_hb; 545 if (sonypi_ec_read(addr, &val_lb)) 546 return -1; 547 if (sonypi_ec_read(addr + 1, &val_hb)) 548 return -1; 549 *value = val_lb | (val_hb << 8); 550 return 0; 551} 552 553/* Initializes the device - this comes from the AML code in the ACPI bios */ 554static void sonypi_type1_srs(void) 555{ 556 u32 v; 557 558 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 559 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1); 560 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 561 562 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 563 v = (v & 0xFFF0FFFF) | 564 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16); 565 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 566 567 v = inl(SONYPI_IRQ_PORT); 568 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT); 569 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT); 570 outl(v, SONYPI_IRQ_PORT); 571 572 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 573 v = (v & 0xFF1FFFFF) | 0x00C00000; 574 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 575} 576 577static void sonypi_type2_srs(void) 578{ 579 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8)) 580 printk(KERN_WARNING "ec_write failed\n"); 581 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF)) 582 printk(KERN_WARNING "ec_write failed\n"); 583 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits)) 584 printk(KERN_WARNING "ec_write failed\n"); 585 udelay(10); 586} 587 588static void sonypi_type3_srs(void) 589{ 590 u16 v16; 591 u8 v8; 592 593 /* This model type uses the same initialization of 594 * the embedded controller as the type2 models. */ 595 sonypi_type2_srs(); 596 597 /* Initialization of PCI config space of the LPC interface bridge. */ 598 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01; 599 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16); 600 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8); 601 v8 = (v8 & 0xCF) | 0x10; 602 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8); 603} 604 605/* Disables the device - this comes from the AML code in the ACPI bios */ 606static void sonypi_type1_dis(void) 607{ 608 u32 v; 609 610 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v); 611 v = v & 0xFF3FFFFF; 612 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v); 613 614 v = inl(SONYPI_IRQ_PORT); 615 v |= (0x3 << SONYPI_IRQ_SHIFT); 616 outl(v, SONYPI_IRQ_PORT); 617} 618 619static void sonypi_type2_dis(void) 620{ 621 if (sonypi_ec_write(SONYPI_SHIB, 0)) 622 printk(KERN_WARNING "ec_write failed\n"); 623 if (sonypi_ec_write(SONYPI_SLOB, 0)) 624 printk(KERN_WARNING "ec_write failed\n"); 625 if (sonypi_ec_write(SONYPI_SIRQ, 0)) 626 printk(KERN_WARNING "ec_write failed\n"); 627} 628 629static void sonypi_type3_dis(void) 630{ 631 sonypi_type2_dis(); 632 udelay(10); 633 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0); 634} 635 636static u8 sonypi_call1(u8 dev) 637{ 638 u8 v1, v2; 639 640 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 641 outb(dev, sonypi_device.ioport2); 642 v1 = inb_p(sonypi_device.ioport2); 643 v2 = inb_p(sonypi_device.ioport1); 644 return v2; 645} 646 647static u8 sonypi_call2(u8 dev, u8 fn) 648{ 649 u8 v1; 650 651 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 652 outb(dev, sonypi_device.ioport2); 653 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 654 outb(fn, sonypi_device.ioport1); 655 v1 = inb_p(sonypi_device.ioport1); 656 return v1; 657} 658 659static u8 sonypi_call3(u8 dev, u8 fn, u8 v) 660{ 661 u8 v1; 662 663 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 664 outb(dev, sonypi_device.ioport2); 665 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 666 outb(fn, sonypi_device.ioport1); 667 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG); 668 outb(v, sonypi_device.ioport1); 669 v1 = inb_p(sonypi_device.ioport1); 670 return v1; 671} 672 673#if 0 674/* Get brightness, hue etc. Unreliable... */ 675static u8 sonypi_read(u8 fn) 676{ 677 u8 v1, v2; 678 int n = 100; 679 680 while (n--) { 681 v1 = sonypi_call2(0x8f, fn); 682 v2 = sonypi_call2(0x8f, fn); 683 if (v1 == v2 && v1 != 0xff) 684 return v1; 685 } 686 return 0xff; 687} 688#endif 689 690/* Set brightness, hue etc */ 691static void sonypi_set(u8 fn, u8 v) 692{ 693 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT); 694} 695 696/* Tests if the camera is ready */ 697static int sonypi_camera_ready(void) 698{ 699 u8 v; 700 701 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS); 702 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 703} 704 705/* Turns the camera off */ 706static void sonypi_camera_off(void) 707{ 708 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK); 709 710 if (!sonypi_device.camera_power) 711 return; 712 713 sonypi_call2(0x91, 0); 714 sonypi_device.camera_power = 0; 715} 716 717/* Turns the camera on */ 718static void sonypi_camera_on(void) 719{ 720 int i, j; 721 722 if (sonypi_device.camera_power) 723 return; 724 725 for (j = 5; j > 0; j--) { 726 727 while (sonypi_call2(0x91, 0x1)) 728 msleep(10); 729 sonypi_call1(0x93); 730 731 for (i = 400; i > 0; i--) { 732 if (sonypi_camera_ready()) 733 break; 734 msleep(10); 735 } 736 if (i) 737 break; 738 } 739 740 if (j == 0) { 741 printk(KERN_WARNING "sonypi: failed to power on camera\n"); 742 return; 743 } 744 745 sonypi_set(0x10, 0x5a); 746 sonypi_device.camera_power = 1; 747} 748 749/* sets the bluetooth subsystem power state */ 750static void sonypi_setbluetoothpower(u8 state) 751{ 752 state = !!state; 753 754 if (sonypi_device.bluetooth_power == state) 755 return; 756 757 sonypi_call2(0x96, state); 758 sonypi_call1(0x82); 759 sonypi_device.bluetooth_power = state; 760} 761 762static void input_keyrelease(struct work_struct *work) 763{ 764 struct sonypi_keypress kp; 765 766 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp, 767 sizeof(kp), &sonypi_device.input_fifo_lock) 768 == sizeof(kp)) { 769 msleep(10); 770 input_report_key(kp.dev, kp.key, 0); 771 input_sync(kp.dev); 772 } 773} 774 775static void sonypi_report_input_event(u8 event) 776{ 777 struct input_dev *jog_dev = sonypi_device.input_jog_dev; 778 struct input_dev *key_dev = sonypi_device.input_key_dev; 779 struct sonypi_keypress kp = { NULL }; 780 int i; 781 782 switch (event) { 783 case SONYPI_EVENT_JOGDIAL_UP: 784 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 785 input_report_rel(jog_dev, REL_WHEEL, 1); 786 input_sync(jog_dev); 787 break; 788 789 case SONYPI_EVENT_JOGDIAL_DOWN: 790 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 791 input_report_rel(jog_dev, REL_WHEEL, -1); 792 input_sync(jog_dev); 793 break; 794 795 case SONYPI_EVENT_JOGDIAL_PRESSED: 796 kp.key = BTN_MIDDLE; 797 kp.dev = jog_dev; 798 break; 799 800 case SONYPI_EVENT_FNKEY_RELEASED: 801 /* Nothing, not all VAIOs generate this event */ 802 break; 803 804 default: 805 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) 806 if (event == sonypi_inputkeys[i].sonypiev) { 807 kp.dev = key_dev; 808 kp.key = sonypi_inputkeys[i].inputev; 809 break; 810 } 811 break; 812 } 813 814 if (kp.dev) { 815 input_report_key(kp.dev, kp.key, 1); 816 input_sync(kp.dev); 817 kfifo_in_locked(&sonypi_device.input_fifo, 818 (unsigned char *)&kp, sizeof(kp), 819 &sonypi_device.input_fifo_lock); 820 schedule_work(&sonypi_device.input_work); 821 } 822} 823 824/* Interrupt handler: some event is available */ 825static irqreturn_t sonypi_irq(int irq, void *dev_id) 826{ 827 u8 v1, v2, event = 0; 828 int i, j; 829 830 v1 = inb_p(sonypi_device.ioport1); 831 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset); 832 833 for (i = 0; sonypi_eventtypes[i].model; i++) { 834 if (sonypi_device.model != sonypi_eventtypes[i].model) 835 continue; 836 if ((v2 & sonypi_eventtypes[i].data) != 837 sonypi_eventtypes[i].data) 838 continue; 839 if (!(mask & sonypi_eventtypes[i].mask)) 840 continue; 841 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) { 842 if (v1 == sonypi_eventtypes[i].events[j].data) { 843 event = sonypi_eventtypes[i].events[j].event; 844 goto found; 845 } 846 } 847 } 848 849 if (verbose) 850 printk(KERN_WARNING 851 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n", 852 v1, v2); 853 /* We need to return IRQ_HANDLED here because there *are* 854 * events belonging to the sonypi device we don't know about, 855 * but we still don't want those to pollute the logs... */ 856 return IRQ_HANDLED; 857 858found: 859 if (verbose > 1) 860 printk(KERN_INFO 861 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2); 862 863 if (useinput) 864 sonypi_report_input_event(event); 865 866 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event, 867 sizeof(event), &sonypi_device.fifo_lock); 868 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN); 869 wake_up_interruptible(&sonypi_device.fifo_proc_list); 870 871 return IRQ_HANDLED; 872} 873 874static int sonypi_misc_fasync(int fd, struct file *filp, int on) 875{ 876 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async); 877} 878 879static int sonypi_misc_release(struct inode *inode, struct file *file) 880{ 881 mutex_lock(&sonypi_device.lock); 882 sonypi_device.open_count--; 883 mutex_unlock(&sonypi_device.lock); 884 return 0; 885} 886 887static int sonypi_misc_open(struct inode *inode, struct file *file) 888{ 889 mutex_lock(&sonypi_device.lock); 890 /* Flush input queue on first open */ 891 if (!sonypi_device.open_count) 892 kfifo_reset(&sonypi_device.fifo); 893 sonypi_device.open_count++; 894 mutex_unlock(&sonypi_device.lock); 895 896 return 0; 897} 898 899static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 900 size_t count, loff_t *pos) 901{ 902 ssize_t ret; 903 unsigned char c; 904 905 if ((kfifo_len(&sonypi_device.fifo) == 0) && 906 (file->f_flags & O_NONBLOCK)) 907 return -EAGAIN; 908 909 ret = wait_event_interruptible(sonypi_device.fifo_proc_list, 910 kfifo_len(&sonypi_device.fifo) != 0); 911 if (ret) 912 return ret; 913 914 while (ret < count && 915 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c), 916 &sonypi_device.fifo_lock) == sizeof(c))) { 917 if (put_user(c, buf++)) 918 return -EFAULT; 919 ret++; 920 } 921 922 if (ret > 0) { 923 struct inode *inode = file_inode(file); 924 inode_set_atime_to_ts(inode, current_time(inode)); 925 } 926 927 return ret; 928} 929 930static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 931{ 932 poll_wait(file, &sonypi_device.fifo_proc_list, wait); 933 if (kfifo_len(&sonypi_device.fifo)) 934 return EPOLLIN | EPOLLRDNORM; 935 return 0; 936} 937 938static long sonypi_misc_ioctl(struct file *fp, 939 unsigned int cmd, unsigned long arg) 940{ 941 long ret = 0; 942 void __user *argp = (void __user *)arg; 943 u8 val8; 944 u16 val16; 945 946 mutex_lock(&sonypi_device.lock); 947 switch (cmd) { 948 case SONYPI_IOCGBRT: 949 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) { 950 ret = -EIO; 951 break; 952 } 953 if (copy_to_user(argp, &val8, sizeof(val8))) 954 ret = -EFAULT; 955 break; 956 case SONYPI_IOCSBRT: 957 if (copy_from_user(&val8, argp, sizeof(val8))) { 958 ret = -EFAULT; 959 break; 960 } 961 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8)) 962 ret = -EIO; 963 break; 964 case SONYPI_IOCGBAT1CAP: 965 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 966 ret = -EIO; 967 break; 968 } 969 if (copy_to_user(argp, &val16, sizeof(val16))) 970 ret = -EFAULT; 971 break; 972 case SONYPI_IOCGBAT1REM: 973 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 974 ret = -EIO; 975 break; 976 } 977 if (copy_to_user(argp, &val16, sizeof(val16))) 978 ret = -EFAULT; 979 break; 980 case SONYPI_IOCGBAT2CAP: 981 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 982 ret = -EIO; 983 break; 984 } 985 if (copy_to_user(argp, &val16, sizeof(val16))) 986 ret = -EFAULT; 987 break; 988 case SONYPI_IOCGBAT2REM: 989 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 990 ret = -EIO; 991 break; 992 } 993 if (copy_to_user(argp, &val16, sizeof(val16))) 994 ret = -EFAULT; 995 break; 996 case SONYPI_IOCGBATFLAGS: 997 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) { 998 ret = -EIO; 999 break; 1000 } 1001 val8 &= 0x07; 1002 if (copy_to_user(argp, &val8, sizeof(val8))) 1003 ret = -EFAULT; 1004 break; 1005 case SONYPI_IOCGBLUE: 1006 val8 = sonypi_device.bluetooth_power; 1007 if (copy_to_user(argp, &val8, sizeof(val8))) 1008 ret = -EFAULT; 1009 break; 1010 case SONYPI_IOCSBLUE: 1011 if (copy_from_user(&val8, argp, sizeof(val8))) { 1012 ret = -EFAULT; 1013 break; 1014 } 1015 sonypi_setbluetoothpower(val8); 1016 break; 1017 /* FAN Controls */ 1018 case SONYPI_IOCGFAN: 1019 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) { 1020 ret = -EIO; 1021 break; 1022 } 1023 if (copy_to_user(argp, &val8, sizeof(val8))) 1024 ret = -EFAULT; 1025 break; 1026 case SONYPI_IOCSFAN: 1027 if (copy_from_user(&val8, argp, sizeof(val8))) { 1028 ret = -EFAULT; 1029 break; 1030 } 1031 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8)) 1032 ret = -EIO; 1033 break; 1034 /* GET Temperature (useful under APM) */ 1035 case SONYPI_IOCGTEMP: 1036 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) { 1037 ret = -EIO; 1038 break; 1039 } 1040 if (copy_to_user(argp, &val8, sizeof(val8))) 1041 ret = -EFAULT; 1042 break; 1043 default: 1044 ret = -EINVAL; 1045 } 1046 mutex_unlock(&sonypi_device.lock); 1047 return ret; 1048} 1049 1050static const struct file_operations sonypi_misc_fops = { 1051 .owner = THIS_MODULE, 1052 .read = sonypi_misc_read, 1053 .poll = sonypi_misc_poll, 1054 .open = sonypi_misc_open, 1055 .release = sonypi_misc_release, 1056 .fasync = sonypi_misc_fasync, 1057 .unlocked_ioctl = sonypi_misc_ioctl, 1058}; 1059 1060static struct miscdevice sonypi_misc_device = { 1061 .minor = MISC_DYNAMIC_MINOR, 1062 .name = "sonypi", 1063 .fops = &sonypi_misc_fops, 1064}; 1065 1066static void sonypi_enable(unsigned int camera_on) 1067{ 1068 switch (sonypi_device.model) { 1069 case SONYPI_DEVICE_MODEL_TYPE1: 1070 sonypi_type1_srs(); 1071 break; 1072 case SONYPI_DEVICE_MODEL_TYPE2: 1073 sonypi_type2_srs(); 1074 break; 1075 case SONYPI_DEVICE_MODEL_TYPE3: 1076 sonypi_type3_srs(); 1077 break; 1078 } 1079 1080 sonypi_call1(0x82); 1081 sonypi_call2(0x81, 0xff); 1082 sonypi_call1(compat ? 0x92 : 0x82); 1083 1084 /* Enable ACPI mode to get Fn key events */ 1085 if (!SONYPI_ACPI_ACTIVE && fnkeyinit) 1086 outb(0xf0, 0xb2); 1087 1088 if (camera && camera_on) 1089 sonypi_camera_on(); 1090} 1091 1092static int sonypi_disable(void) 1093{ 1094 sonypi_call2(0x81, 0); /* make sure we don't get any more events */ 1095 if (camera) 1096 sonypi_camera_off(); 1097 1098 /* disable ACPI mode */ 1099 if (!SONYPI_ACPI_ACTIVE && fnkeyinit) 1100 outb(0xf1, 0xb2); 1101 1102 switch (sonypi_device.model) { 1103 case SONYPI_DEVICE_MODEL_TYPE1: 1104 sonypi_type1_dis(); 1105 break; 1106 case SONYPI_DEVICE_MODEL_TYPE2: 1107 sonypi_type2_dis(); 1108 break; 1109 case SONYPI_DEVICE_MODEL_TYPE3: 1110 sonypi_type3_dis(); 1111 break; 1112 } 1113 1114 return 0; 1115} 1116 1117#ifdef CONFIG_ACPI 1118static int sonypi_acpi_add(struct acpi_device *device) 1119{ 1120 sonypi_acpi_device = device; 1121 strcpy(acpi_device_name(device), "Sony laptop hotkeys"); 1122 strcpy(acpi_device_class(device), "sony/hotkey"); 1123 return 0; 1124} 1125 1126static void sonypi_acpi_remove(struct acpi_device *device) 1127{ 1128 sonypi_acpi_device = NULL; 1129} 1130 1131static const struct acpi_device_id sonypi_device_ids[] = { 1132 {"SNY6001", 0}, 1133 {"", 0}, 1134}; 1135 1136static struct acpi_driver sonypi_acpi_driver = { 1137 .name = "sonypi", 1138 .class = "hkey", 1139 .ids = sonypi_device_ids, 1140 .ops = { 1141 .add = sonypi_acpi_add, 1142 .remove = sonypi_acpi_remove, 1143 }, 1144}; 1145#endif 1146 1147static int sonypi_create_input_devices(struct platform_device *pdev) 1148{ 1149 struct input_dev *jog_dev; 1150 struct input_dev *key_dev; 1151 int i; 1152 int error; 1153 1154 sonypi_device.input_jog_dev = jog_dev = input_allocate_device(); 1155 if (!jog_dev) 1156 return -ENOMEM; 1157 1158 jog_dev->name = "Sony Vaio Jogdial"; 1159 jog_dev->id.bustype = BUS_ISA; 1160 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 1161 jog_dev->dev.parent = &pdev->dev; 1162 1163 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 1164 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); 1165 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); 1166 1167 sonypi_device.input_key_dev = key_dev = input_allocate_device(); 1168 if (!key_dev) { 1169 error = -ENOMEM; 1170 goto err_free_jogdev; 1171 } 1172 1173 key_dev->name = "Sony Vaio Keys"; 1174 key_dev->id.bustype = BUS_ISA; 1175 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 1176 key_dev->dev.parent = &pdev->dev; 1177 1178 /* Initialize the Input Drivers: special keys */ 1179 key_dev->evbit[0] = BIT_MASK(EV_KEY); 1180 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) 1181 if (sonypi_inputkeys[i].inputev) 1182 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit); 1183 1184 error = input_register_device(jog_dev); 1185 if (error) 1186 goto err_free_keydev; 1187 1188 error = input_register_device(key_dev); 1189 if (error) 1190 goto err_unregister_jogdev; 1191 1192 return 0; 1193 1194 err_unregister_jogdev: 1195 input_unregister_device(jog_dev); 1196 /* Set to NULL so we don't free it again below */ 1197 jog_dev = NULL; 1198 err_free_keydev: 1199 input_free_device(key_dev); 1200 sonypi_device.input_key_dev = NULL; 1201 err_free_jogdev: 1202 input_free_device(jog_dev); 1203 sonypi_device.input_jog_dev = NULL; 1204 1205 return error; 1206} 1207 1208static int sonypi_setup_ioports(struct sonypi_device *dev, 1209 const struct sonypi_ioport_list *ioport_list) 1210{ 1211 /* try to detect if sony-laptop is being used and thus 1212 * has already requested one of the known ioports. 1213 * As in the deprecated check_region this is racy has we have 1214 * multiple ioports available and one of them can be requested 1215 * between this check and the subsequent request. Anyway, as an 1216 * attempt to be some more user-friendly as we currently are, 1217 * this is enough. 1218 */ 1219 const struct sonypi_ioport_list *check = ioport_list; 1220 while (check_ioport && check->port1) { 1221 if (!request_region(check->port1, 1222 sonypi_device.region_size, 1223 "Sony Programmable I/O Device Check")) { 1224 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? " 1225 "if not use check_ioport=0\n", 1226 check->port1); 1227 return -EBUSY; 1228 } 1229 release_region(check->port1, sonypi_device.region_size); 1230 check++; 1231 } 1232 1233 while (ioport_list->port1) { 1234 1235 if (request_region(ioport_list->port1, 1236 sonypi_device.region_size, 1237 "Sony Programmable I/O Device")) { 1238 dev->ioport1 = ioport_list->port1; 1239 dev->ioport2 = ioport_list->port2; 1240 return 0; 1241 } 1242 ioport_list++; 1243 } 1244 1245 return -EBUSY; 1246} 1247 1248static int sonypi_setup_irq(struct sonypi_device *dev, 1249 const struct sonypi_irq_list *irq_list) 1250{ 1251 while (irq_list->irq) { 1252 1253 if (!request_irq(irq_list->irq, sonypi_irq, 1254 IRQF_SHARED, "sonypi", sonypi_irq)) { 1255 dev->irq = irq_list->irq; 1256 dev->bits = irq_list->bits; 1257 return 0; 1258 } 1259 irq_list++; 1260 } 1261 1262 return -EBUSY; 1263} 1264 1265static void sonypi_display_info(void) 1266{ 1267 printk(KERN_INFO "sonypi: detected type%d model, " 1268 "verbose = %d, fnkeyinit = %s, camera = %s, " 1269 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n", 1270 sonypi_device.model, 1271 verbose, 1272 str_on_off(fnkeyinit), 1273 str_on_off(camera), 1274 str_on_off(compat), 1275 mask, 1276 str_on_off(useinput), 1277 str_on_off(SONYPI_ACPI_ACTIVE)); 1278 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n", 1279 sonypi_device.irq, 1280 sonypi_device.ioport1, sonypi_device.ioport2); 1281 1282 if (minor == -1) 1283 printk(KERN_INFO "sonypi: device allocated minor is %d\n", 1284 sonypi_misc_device.minor); 1285} 1286 1287static int sonypi_probe(struct platform_device *dev) 1288{ 1289 const struct sonypi_ioport_list *ioport_list; 1290 const struct sonypi_irq_list *irq_list; 1291 struct pci_dev *pcidev; 1292 int error; 1293 1294 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead " 1295 "and report failures, see also " 1296 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n"); 1297 1298 spin_lock_init(&sonypi_device.fifo_lock); 1299 error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL); 1300 if (error) { 1301 printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); 1302 return error; 1303 } 1304 1305 init_waitqueue_head(&sonypi_device.fifo_proc_list); 1306 mutex_init(&sonypi_device.lock); 1307 sonypi_device.bluetooth_power = -1; 1308 1309 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1310 PCI_DEVICE_ID_INTEL_82371AB_3, NULL))) 1311 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1; 1312 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1313 PCI_DEVICE_ID_INTEL_ICH6_1, NULL))) 1314 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1315 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1316 PCI_DEVICE_ID_INTEL_ICH7_1, NULL))) 1317 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3; 1318 else 1319 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2; 1320 1321 if (pcidev && pci_enable_device(pcidev)) { 1322 printk(KERN_ERR "sonypi: pci_enable_device failed\n"); 1323 error = -EIO; 1324 goto err_put_pcidev; 1325 } 1326 1327 sonypi_device.dev = pcidev; 1328 1329 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) { 1330 ioport_list = sonypi_type1_ioport_list; 1331 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE; 1332 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET; 1333 irq_list = sonypi_type1_irq_list; 1334 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) { 1335 ioport_list = sonypi_type2_ioport_list; 1336 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE; 1337 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET; 1338 irq_list = sonypi_type2_irq_list; 1339 } else { 1340 ioport_list = sonypi_type3_ioport_list; 1341 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE; 1342 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET; 1343 irq_list = sonypi_type3_irq_list; 1344 } 1345 1346 error = sonypi_setup_ioports(&sonypi_device, ioport_list); 1347 if (error) { 1348 printk(KERN_ERR "sonypi: failed to request ioports\n"); 1349 goto err_disable_pcidev; 1350 } 1351 1352 error = sonypi_setup_irq(&sonypi_device, irq_list); 1353 if (error) { 1354 printk(KERN_ERR "sonypi: request_irq failed\n"); 1355 goto err_free_ioports; 1356 } 1357 1358 if (minor != -1) 1359 sonypi_misc_device.minor = minor; 1360 error = misc_register(&sonypi_misc_device); 1361 if (error) { 1362 printk(KERN_ERR "sonypi: misc_register failed\n"); 1363 goto err_free_irq; 1364 } 1365 1366 sonypi_display_info(); 1367 1368 if (useinput) { 1369 1370 error = sonypi_create_input_devices(dev); 1371 if (error) { 1372 printk(KERN_ERR 1373 "sonypi: failed to create input devices\n"); 1374 goto err_miscdev_unregister; 1375 } 1376 1377 spin_lock_init(&sonypi_device.input_fifo_lock); 1378 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE, 1379 GFP_KERNEL); 1380 if (error) { 1381 printk(KERN_ERR "sonypi: kfifo_alloc failed\n"); 1382 goto err_inpdev_unregister; 1383 } 1384 1385 INIT_WORK(&sonypi_device.input_work, input_keyrelease); 1386 } 1387 1388 sonypi_enable(0); 1389 1390 return 0; 1391 1392 err_inpdev_unregister: 1393 input_unregister_device(sonypi_device.input_key_dev); 1394 input_unregister_device(sonypi_device.input_jog_dev); 1395 err_miscdev_unregister: 1396 misc_deregister(&sonypi_misc_device); 1397 err_free_irq: 1398 free_irq(sonypi_device.irq, sonypi_irq); 1399 err_free_ioports: 1400 release_region(sonypi_device.ioport1, sonypi_device.region_size); 1401 err_disable_pcidev: 1402 if (pcidev) 1403 pci_disable_device(pcidev); 1404 err_put_pcidev: 1405 pci_dev_put(pcidev); 1406 kfifo_free(&sonypi_device.fifo); 1407 1408 return error; 1409} 1410 1411static void sonypi_remove(struct platform_device *dev) 1412{ 1413 sonypi_disable(); 1414 1415 synchronize_irq(sonypi_device.irq); 1416 flush_work(&sonypi_device.input_work); 1417 1418 if (useinput) { 1419 input_unregister_device(sonypi_device.input_key_dev); 1420 input_unregister_device(sonypi_device.input_jog_dev); 1421 kfifo_free(&sonypi_device.input_fifo); 1422 } 1423 1424 misc_deregister(&sonypi_misc_device); 1425 1426 free_irq(sonypi_device.irq, sonypi_irq); 1427 release_region(sonypi_device.ioport1, sonypi_device.region_size); 1428 1429 if (sonypi_device.dev) { 1430 pci_disable_device(sonypi_device.dev); 1431 pci_dev_put(sonypi_device.dev); 1432 } 1433 1434 kfifo_free(&sonypi_device.fifo); 1435} 1436 1437#ifdef CONFIG_PM_SLEEP 1438static int old_camera_power; 1439 1440static int sonypi_suspend(struct device *dev) 1441{ 1442 old_camera_power = sonypi_device.camera_power; 1443 sonypi_disable(); 1444 1445 return 0; 1446} 1447 1448static int sonypi_resume(struct device *dev) 1449{ 1450 sonypi_enable(old_camera_power); 1451 return 0; 1452} 1453 1454static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume); 1455#define SONYPI_PM (&sonypi_pm) 1456#else 1457#define SONYPI_PM NULL 1458#endif 1459 1460static void sonypi_shutdown(struct platform_device *dev) 1461{ 1462 sonypi_disable(); 1463} 1464 1465static struct platform_driver sonypi_driver = { 1466 .driver = { 1467 .name = "sonypi", 1468 .pm = SONYPI_PM, 1469 }, 1470 .probe = sonypi_probe, 1471 .remove = sonypi_remove, 1472 .shutdown = sonypi_shutdown, 1473}; 1474 1475static struct platform_device *sonypi_platform_device; 1476 1477static const struct dmi_system_id sonypi_dmi_table[] __initconst = { 1478 { 1479 .ident = "Sony Vaio", 1480 .matches = { 1481 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 1482 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 1483 }, 1484 }, 1485 { 1486 .ident = "Sony Vaio", 1487 .matches = { 1488 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 1489 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 1490 }, 1491 }, 1492 { } 1493}; 1494 1495static int __init sonypi_init(void) 1496{ 1497 int error; 1498 1499 printk(KERN_INFO 1500 "sonypi: Sony Programmable I/O Controller Driver v%s.\n", 1501 SONYPI_DRIVER_VERSION); 1502 1503 if (!dmi_check_system(sonypi_dmi_table)) 1504 return -ENODEV; 1505 1506 error = platform_driver_register(&sonypi_driver); 1507 if (error) 1508 return error; 1509 1510 sonypi_platform_device = platform_device_alloc("sonypi", -1); 1511 if (!sonypi_platform_device) { 1512 error = -ENOMEM; 1513 goto err_driver_unregister; 1514 } 1515 1516 error = platform_device_add(sonypi_platform_device); 1517 if (error) 1518 goto err_free_device; 1519 1520#ifdef CONFIG_ACPI 1521 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0) 1522 acpi_driver_registered = 1; 1523#endif 1524 1525 return 0; 1526 1527 err_free_device: 1528 platform_device_put(sonypi_platform_device); 1529 err_driver_unregister: 1530 platform_driver_unregister(&sonypi_driver); 1531 return error; 1532} 1533 1534static void __exit sonypi_exit(void) 1535{ 1536#ifdef CONFIG_ACPI 1537 if (acpi_driver_registered) 1538 acpi_bus_unregister_driver(&sonypi_acpi_driver); 1539#endif 1540 platform_device_unregister(sonypi_platform_device); 1541 platform_driver_unregister(&sonypi_driver); 1542 printk(KERN_INFO "sonypi: removed.\n"); 1543} 1544 1545module_init(sonypi_init); 1546module_exit(sonypi_exit);
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