1 /* 2 * ACPI Sony Notebook Control Driver (SNC and SPIC) 3 * 4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 6 * 7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 8 * which are copyrighted by their respective authors. 9 * 10 * The SNY6001 driver part is based on the sonypi driver which includes 11 * material from: 12 * 13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 14 * 15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 16 * 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 18 * 19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 20 * 21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 22 * 23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 24 * 25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 26 * 27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 42 * 43 */ 44 45 #include <linux/kernel.h> 46 #include <linux/module.h> 47 #include <linux/moduleparam.h> 48 #include <linux/init.h> 49 #include <linux/types.h> 50 #include <linux/backlight.h> 51 #include <linux/platform_device.h> 52 #include <linux/err.h> 53 #include <linux/dmi.h> 54 #include <linux/pci.h> 55 #include <linux/interrupt.h> 56 #include <linux/delay.h> 57 #include <linux/input.h> 58 #include <linux/kfifo.h> 59 #include <linux/workqueue.h> 60 #include <linux/acpi.h> 61 #include <linux/slab.h> 62 #include <acpi/acpi_drivers.h> 63 #include <acpi/acpi_bus.h> 64 #include <asm/uaccess.h> 65 #include <linux/sonypi.h> 66 #include <linux/sony-laptop.h> 67 #include <linux/rfkill.h> 68 #ifdef CONFIG_SONYPI_COMPAT 69 #include <linux/poll.h> 70 #include <linux/miscdevice.h> 71 #endif 72 73 #define DRV_PFX "sony-laptop: " 74 #define dprintk(msg...) do { \ 75 if (debug) printk(KERN_WARNING DRV_PFX msg); \ 76 } while (0) 77 78 #define SONY_LAPTOP_DRIVER_VERSION "0.6" 79 80 #define SONY_NC_CLASS "sony-nc" 81 #define SONY_NC_HID "SNY5001" 82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 83 84 #define SONY_PIC_CLASS "sony-pic" 85 #define SONY_PIC_HID "SNY6001" 86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 87 88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 90 MODULE_LICENSE("GPL"); 91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); 92 93 static int debug; 94 module_param(debug, int, 0); 95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 96 "the development of this driver"); 97 98 static int no_spic; /* = 0 */ 99 module_param(no_spic, int, 0444); 100 MODULE_PARM_DESC(no_spic, 101 "set this if you don't want to enable the SPIC device"); 102 103 static int compat; /* = 0 */ 104 module_param(compat, int, 0444); 105 MODULE_PARM_DESC(compat, 106 "set this if you want to enable backward compatibility mode"); 107 108 static unsigned long mask = 0xffffffff; 109 module_param(mask, ulong, 0644); 110 MODULE_PARM_DESC(mask, 111 "set this to the mask of event you want to enable (see doc)"); 112 113 static int camera; /* = 0 */ 114 module_param(camera, int, 0444); 115 MODULE_PARM_DESC(camera, 116 "set this to 1 to enable Motion Eye camera controls " 117 "(only use it if you have a C1VE or C1VN model)"); 118 119 #ifdef CONFIG_SONYPI_COMPAT 120 static int minor = -1; 121 module_param(minor, int, 0); 122 MODULE_PARM_DESC(minor, 123 "minor number of the misc device for the SPIC compatibility code, " 124 "default is -1 (automatic)"); 125 #endif 126 127 enum sony_nc_rfkill { 128 SONY_WIFI, 129 SONY_BLUETOOTH, 130 SONY_WWAN, 131 SONY_WIMAX, 132 N_SONY_RFKILL, 133 }; 134 135 static int sony_rfkill_handle; 136 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 137 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 138 static void sony_nc_rfkill_update(void); 139 140 /*********** Input Devices ***********/ 141 142 #define SONY_LAPTOP_BUF_SIZE 128 143 struct sony_laptop_input_s { 144 atomic_t users; 145 struct input_dev *jog_dev; 146 struct input_dev *key_dev; 147 struct kfifo fifo; 148 spinlock_t fifo_lock; 149 struct timer_list release_key_timer; 150 }; 151 152 static struct sony_laptop_input_s sony_laptop_input = { 153 .users = ATOMIC_INIT(0), 154 }; 155 156 struct sony_laptop_keypress { 157 struct input_dev *dev; 158 int key; 159 }; 160 161 /* Correspondance table between sonypi events 162 * and input layer indexes in the keymap 163 */ 164 static int sony_laptop_input_index[] = { 165 -1, /* 0 no event */ 166 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 167 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 168 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 169 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 170 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 171 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 172 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 173 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 174 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 175 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 176 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 177 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 178 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 179 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 180 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 181 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 182 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 183 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 184 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 185 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 186 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 187 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 188 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 189 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 190 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 191 19, /* 26 SONYPI_EVENT_FNKEY_D */ 192 20, /* 27 SONYPI_EVENT_FNKEY_E */ 193 21, /* 28 SONYPI_EVENT_FNKEY_F */ 194 22, /* 29 SONYPI_EVENT_FNKEY_S */ 195 23, /* 30 SONYPI_EVENT_FNKEY_B */ 196 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 197 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 198 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 199 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 200 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 201 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 202 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 203 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 204 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 205 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 206 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 207 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 208 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 209 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 210 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 211 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 212 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 213 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 214 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 215 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 216 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 217 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 218 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 219 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 220 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 221 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 222 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 223 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 224 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 225 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 226 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 227 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 228 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 229 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 230 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 231 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 232 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 233 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 234 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 235 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 236 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 237 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 238 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 239 }; 240 241 static int sony_laptop_input_keycode_map[] = { 242 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 243 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 244 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 245 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 246 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 247 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 248 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 249 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 250 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 251 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 252 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 253 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 254 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 255 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 256 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 257 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 258 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 259 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ 260 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ 261 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 262 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 263 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 264 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 265 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 266 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 267 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 268 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 269 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 270 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 271 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 272 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 273 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 274 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 275 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 276 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 277 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 278 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 279 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 280 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 281 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 282 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 283 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 284 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 285 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 286 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 287 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 288 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 289 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 290 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 291 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 292 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 293 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 294 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 295 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 296 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 297 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 298 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 299 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 300 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 301 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 302 }; 303 304 /* release buttons after a short delay if pressed */ 305 static void do_sony_laptop_release_key(unsigned long unused) 306 { 307 struct sony_laptop_keypress kp; 308 unsigned long flags; 309 310 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 311 312 if (kfifo_out(&sony_laptop_input.fifo, 313 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 314 input_report_key(kp.dev, kp.key, 0); 315 input_sync(kp.dev); 316 } 317 318 /* If there is something in the fifo schedule next release. */ 319 if (kfifo_len(&sony_laptop_input.fifo) != 0) 320 mod_timer(&sony_laptop_input.release_key_timer, 321 jiffies + msecs_to_jiffies(10)); 322 323 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 324 } 325 326 /* forward event to the input subsystem */ 327 static void sony_laptop_report_input_event(u8 event) 328 { 329 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 330 struct input_dev *key_dev = sony_laptop_input.key_dev; 331 struct sony_laptop_keypress kp = { NULL }; 332 333 if (event == SONYPI_EVENT_FNKEY_RELEASED || 334 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 335 /* Nothing, not all VAIOs generate this event */ 336 return; 337 } 338 339 /* report events */ 340 switch (event) { 341 /* jog_dev events */ 342 case SONYPI_EVENT_JOGDIAL_UP: 343 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 344 input_report_rel(jog_dev, REL_WHEEL, 1); 345 input_sync(jog_dev); 346 return; 347 348 case SONYPI_EVENT_JOGDIAL_DOWN: 349 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 350 input_report_rel(jog_dev, REL_WHEEL, -1); 351 input_sync(jog_dev); 352 return; 353 354 /* key_dev events */ 355 case SONYPI_EVENT_JOGDIAL_PRESSED: 356 kp.key = BTN_MIDDLE; 357 kp.dev = jog_dev; 358 break; 359 360 default: 361 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 362 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 363 break; 364 } 365 if (sony_laptop_input_index[event] != -1) { 366 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; 367 if (kp.key != KEY_UNKNOWN) 368 kp.dev = key_dev; 369 } 370 break; 371 } 372 373 if (kp.dev) { 374 input_report_key(kp.dev, kp.key, 1); 375 /* we emit the scancode so we can always remap the key */ 376 input_event(kp.dev, EV_MSC, MSC_SCAN, event); 377 input_sync(kp.dev); 378 379 /* schedule key release */ 380 kfifo_in_locked(&sony_laptop_input.fifo, 381 (unsigned char *)&kp, sizeof(kp), 382 &sony_laptop_input.fifo_lock); 383 mod_timer(&sony_laptop_input.release_key_timer, 384 jiffies + msecs_to_jiffies(10)); 385 } else 386 dprintk("unknown input event %.2x\n", event); 387 } 388 389 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 390 { 391 struct input_dev *jog_dev; 392 struct input_dev *key_dev; 393 int i; 394 int error; 395 396 /* don't run again if already initialized */ 397 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 398 return 0; 399 400 /* kfifo */ 401 spin_lock_init(&sony_laptop_input.fifo_lock); 402 error = kfifo_alloc(&sony_laptop_input.fifo, 403 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 404 if (error) { 405 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 406 goto err_dec_users; 407 } 408 409 setup_timer(&sony_laptop_input.release_key_timer, 410 do_sony_laptop_release_key, 0); 411 412 /* input keys */ 413 key_dev = input_allocate_device(); 414 if (!key_dev) { 415 error = -ENOMEM; 416 goto err_free_kfifo; 417 } 418 419 key_dev->name = "Sony Vaio Keys"; 420 key_dev->id.bustype = BUS_ISA; 421 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 422 key_dev->dev.parent = &acpi_device->dev; 423 424 /* Initialize the Input Drivers: special keys */ 425 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 426 427 __set_bit(EV_KEY, key_dev->evbit); 428 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 429 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 430 key_dev->keycode = &sony_laptop_input_keycode_map; 431 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 432 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 433 __clear_bit(KEY_RESERVED, key_dev->keybit); 434 435 error = input_register_device(key_dev); 436 if (error) 437 goto err_free_keydev; 438 439 sony_laptop_input.key_dev = key_dev; 440 441 /* jogdial */ 442 jog_dev = input_allocate_device(); 443 if (!jog_dev) { 444 error = -ENOMEM; 445 goto err_unregister_keydev; 446 } 447 448 jog_dev->name = "Sony Vaio Jogdial"; 449 jog_dev->id.bustype = BUS_ISA; 450 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 451 key_dev->dev.parent = &acpi_device->dev; 452 453 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 454 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 455 456 error = input_register_device(jog_dev); 457 if (error) 458 goto err_free_jogdev; 459 460 sony_laptop_input.jog_dev = jog_dev; 461 462 return 0; 463 464 err_free_jogdev: 465 input_free_device(jog_dev); 466 467 err_unregister_keydev: 468 input_unregister_device(key_dev); 469 /* to avoid kref underflow below at input_free_device */ 470 key_dev = NULL; 471 472 err_free_keydev: 473 input_free_device(key_dev); 474 475 err_free_kfifo: 476 kfifo_free(&sony_laptop_input.fifo); 477 478 err_dec_users: 479 atomic_dec(&sony_laptop_input.users); 480 return error; 481 } 482 483 static void sony_laptop_remove_input(void) 484 { 485 struct sony_laptop_keypress kp = { NULL }; 486 487 /* Cleanup only after the last user has gone */ 488 if (!atomic_dec_and_test(&sony_laptop_input.users)) 489 return; 490 491 del_timer_sync(&sony_laptop_input.release_key_timer); 492 493 /* 494 * Generate key-up events for remaining keys. Note that we don't 495 * need locking since nobody is adding new events to the kfifo. 496 */ 497 while (kfifo_out(&sony_laptop_input.fifo, 498 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 499 input_report_key(kp.dev, kp.key, 0); 500 input_sync(kp.dev); 501 } 502 503 /* destroy input devs */ 504 input_unregister_device(sony_laptop_input.key_dev); 505 sony_laptop_input.key_dev = NULL; 506 507 if (sony_laptop_input.jog_dev) { 508 input_unregister_device(sony_laptop_input.jog_dev); 509 sony_laptop_input.jog_dev = NULL; 510 } 511 512 kfifo_free(&sony_laptop_input.fifo); 513 } 514 515 /*********** Platform Device ***********/ 516 517 static atomic_t sony_pf_users = ATOMIC_INIT(0); 518 static struct platform_driver sony_pf_driver = { 519 .driver = { 520 .name = "sony-laptop", 521 .owner = THIS_MODULE, 522 } 523 }; 524 static struct platform_device *sony_pf_device; 525 526 static int sony_pf_add(void) 527 { 528 int ret = 0; 529 530 /* don't run again if already initialized */ 531 if (atomic_add_return(1, &sony_pf_users) > 1) 532 return 0; 533 534 ret = platform_driver_register(&sony_pf_driver); 535 if (ret) 536 goto out; 537 538 sony_pf_device = platform_device_alloc("sony-laptop", -1); 539 if (!sony_pf_device) { 540 ret = -ENOMEM; 541 goto out_platform_registered; 542 } 543 544 ret = platform_device_add(sony_pf_device); 545 if (ret) 546 goto out_platform_alloced; 547 548 return 0; 549 550 out_platform_alloced: 551 platform_device_put(sony_pf_device); 552 sony_pf_device = NULL; 553 out_platform_registered: 554 platform_driver_unregister(&sony_pf_driver); 555 out: 556 atomic_dec(&sony_pf_users); 557 return ret; 558 } 559 560 static void sony_pf_remove(void) 561 { 562 /* deregister only after the last user has gone */ 563 if (!atomic_dec_and_test(&sony_pf_users)) 564 return; 565 566 platform_device_unregister(sony_pf_device); 567 platform_driver_unregister(&sony_pf_driver); 568 } 569 570 /*********** SNC (SNY5001) Device ***********/ 571 572 /* the device uses 1-based values, while the backlight subsystem uses 573 0-based values */ 574 #define SONY_MAX_BRIGHTNESS 8 575 576 #define SNC_VALIDATE_IN 0 577 #define SNC_VALIDATE_OUT 1 578 579 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 580 char *); 581 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 582 const char *, size_t); 583 static int boolean_validate(const int, const int); 584 static int brightness_default_validate(const int, const int); 585 586 struct sony_nc_value { 587 char *name; /* name of the entry */ 588 char **acpiget; /* names of the ACPI get function */ 589 char **acpiset; /* names of the ACPI set function */ 590 int (*validate)(const int, const int); /* input/output validation */ 591 int value; /* current setting */ 592 int valid; /* Has ever been set */ 593 int debug; /* active only in debug mode ? */ 594 struct device_attribute devattr; /* sysfs atribute */ 595 }; 596 597 #define SNC_HANDLE_NAMES(_name, _values...) \ 598 static char *snc_##_name[] = { _values, NULL } 599 600 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 601 { \ 602 .name = __stringify(_name), \ 603 .acpiget = _getters, \ 604 .acpiset = _setters, \ 605 .validate = _validate, \ 606 .debug = _debug, \ 607 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 608 } 609 610 #define SNC_HANDLE_NULL { .name = NULL } 611 612 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 613 614 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 615 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 616 617 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 618 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 619 620 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 621 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 622 623 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 624 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 625 626 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 627 628 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 629 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 630 631 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 632 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 633 634 SNC_HANDLE_NAMES(PID_get, "GPID"); 635 636 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 637 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 638 639 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 640 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 641 642 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 643 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 644 645 static struct sony_nc_value sony_nc_values[] = { 646 SNC_HANDLE(brightness_default, snc_brightness_def_get, 647 snc_brightness_def_set, brightness_default_validate, 0), 648 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 649 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 650 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 651 boolean_validate, 0), 652 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 653 boolean_validate, 1), 654 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 655 boolean_validate, 0), 656 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 657 boolean_validate, 0), 658 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 659 boolean_validate, 0), 660 /* unknown methods */ 661 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 662 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 663 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 664 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 665 SNC_HANDLE_NULL 666 }; 667 668 static acpi_handle sony_nc_acpi_handle; 669 static struct acpi_device *sony_nc_acpi_device = NULL; 670 671 /* 672 * acpi_evaluate_object wrappers 673 */ 674 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) 675 { 676 struct acpi_buffer output; 677 union acpi_object out_obj; 678 acpi_status status; 679 680 output.length = sizeof(out_obj); 681 output.pointer = &out_obj; 682 683 status = acpi_evaluate_object(handle, name, NULL, &output); 684 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { 685 *result = out_obj.integer.value; 686 return 0; 687 } 688 689 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); 690 691 return -1; 692 } 693 694 static int acpi_callsetfunc(acpi_handle handle, char *name, int value, 695 int *result) 696 { 697 struct acpi_object_list params; 698 union acpi_object in_obj; 699 struct acpi_buffer output; 700 union acpi_object out_obj; 701 acpi_status status; 702 703 params.count = 1; 704 params.pointer = &in_obj; 705 in_obj.type = ACPI_TYPE_INTEGER; 706 in_obj.integer.value = value; 707 708 output.length = sizeof(out_obj); 709 output.pointer = &out_obj; 710 711 status = acpi_evaluate_object(handle, name, ¶ms, &output); 712 if (status == AE_OK) { 713 if (result != NULL) { 714 if (out_obj.type != ACPI_TYPE_INTEGER) { 715 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " 716 "return type\n"); 717 return -1; 718 } 719 *result = out_obj.integer.value; 720 } 721 return 0; 722 } 723 724 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); 725 726 return -1; 727 } 728 729 static int sony_find_snc_handle(int handle) 730 { 731 int i; 732 int result; 733 734 for (i = 0x20; i < 0x30; i++) { 735 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result); 736 if (result == handle) 737 return i-0x20; 738 } 739 740 return -1; 741 } 742 743 static int sony_call_snc_handle(int handle, int argument, int *result) 744 { 745 int offset = sony_find_snc_handle(handle); 746 747 if (offset < 0) 748 return -1; 749 750 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, 751 result); 752 } 753 754 /* 755 * sony_nc_values input/output validate functions 756 */ 757 758 /* brightness_default_validate: 759 * 760 * manipulate input output values to keep consistency with the 761 * backlight framework for which brightness values are 0-based. 762 */ 763 static int brightness_default_validate(const int direction, const int value) 764 { 765 switch (direction) { 766 case SNC_VALIDATE_OUT: 767 return value - 1; 768 case SNC_VALIDATE_IN: 769 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 770 return value + 1; 771 } 772 return -EINVAL; 773 } 774 775 /* boolean_validate: 776 * 777 * on input validate boolean values 0/1, on output just pass the 778 * received value. 779 */ 780 static int boolean_validate(const int direction, const int value) 781 { 782 if (direction == SNC_VALIDATE_IN) { 783 if (value != 0 && value != 1) 784 return -EINVAL; 785 } 786 return value; 787 } 788 789 /* 790 * Sysfs show/store common to all sony_nc_values 791 */ 792 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 793 char *buffer) 794 { 795 int value; 796 struct sony_nc_value *item = 797 container_of(attr, struct sony_nc_value, devattr); 798 799 if (!*item->acpiget) 800 return -EIO; 801 802 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) 803 return -EIO; 804 805 if (item->validate) 806 value = item->validate(SNC_VALIDATE_OUT, value); 807 808 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 809 } 810 811 static ssize_t sony_nc_sysfs_store(struct device *dev, 812 struct device_attribute *attr, 813 const char *buffer, size_t count) 814 { 815 int value; 816 struct sony_nc_value *item = 817 container_of(attr, struct sony_nc_value, devattr); 818 819 if (!item->acpiset) 820 return -EIO; 821 822 if (count > 31) 823 return -EINVAL; 824 825 value = simple_strtoul(buffer, NULL, 10); 826 827 if (item->validate) 828 value = item->validate(SNC_VALIDATE_IN, value); 829 830 if (value < 0) 831 return value; 832 833 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) 834 return -EIO; 835 item->value = value; 836 item->valid = 1; 837 return count; 838 } 839 840 841 /* 842 * Backlight device 843 */ 844 static int sony_backlight_update_status(struct backlight_device *bd) 845 { 846 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 847 bd->props.brightness + 1, NULL); 848 } 849 850 static int sony_backlight_get_brightness(struct backlight_device *bd) 851 { 852 int value; 853 854 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) 855 return 0; 856 /* brightness levels are 1-based, while backlight ones are 0-based */ 857 return value - 1; 858 } 859 860 static struct backlight_device *sony_backlight_device; 861 static const struct backlight_ops sony_backlight_ops = { 862 .update_status = sony_backlight_update_status, 863 .get_brightness = sony_backlight_get_brightness, 864 }; 865 866 /* 867 * New SNC-only Vaios event mapping to driver known keys 868 */ 869 struct sony_nc_event { 870 u8 data; 871 u8 event; 872 }; 873 874 static struct sony_nc_event sony_100_events[] = { 875 { 0x90, SONYPI_EVENT_PKEY_P1 }, 876 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 877 { 0x91, SONYPI_EVENT_PKEY_P2 }, 878 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 879 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 880 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 881 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 882 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 883 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 884 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 885 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 886 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 887 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 888 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 889 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 890 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 891 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 892 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 893 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 894 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 895 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 896 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 897 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 898 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 899 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 900 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 901 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 902 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 903 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 904 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 905 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 906 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 907 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 908 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 909 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 910 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 911 { 0, 0 }, 912 }; 913 914 static struct sony_nc_event sony_127_events[] = { 915 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 916 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 917 { 0x82, SONYPI_EVENT_PKEY_P1 }, 918 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 919 { 0x83, SONYPI_EVENT_PKEY_P2 }, 920 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 921 { 0x84, SONYPI_EVENT_PKEY_P3 }, 922 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 923 { 0x85, SONYPI_EVENT_PKEY_P4 }, 924 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 925 { 0x86, SONYPI_EVENT_PKEY_P5 }, 926 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 927 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 928 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 929 { 0, 0 }, 930 }; 931 932 /* 933 * ACPI callbacks 934 */ 935 static void sony_nc_notify(struct acpi_device *device, u32 event) 936 { 937 u32 ev = event; 938 939 if (ev >= 0x90) { 940 /* New-style event */ 941 int result; 942 int key_handle = 0; 943 ev -= 0x90; 944 945 if (sony_find_snc_handle(0x100) == ev) 946 key_handle = 0x100; 947 if (sony_find_snc_handle(0x127) == ev) 948 key_handle = 0x127; 949 950 if (key_handle) { 951 struct sony_nc_event *key_event; 952 953 if (sony_call_snc_handle(key_handle, 0x200, &result)) { 954 dprintk("sony_nc_notify, unable to decode" 955 " event 0x%.2x 0x%.2x\n", key_handle, 956 ev); 957 /* restore the original event */ 958 ev = event; 959 } else { 960 ev = result & 0xFF; 961 962 if (key_handle == 0x100) 963 key_event = sony_100_events; 964 else 965 key_event = sony_127_events; 966 967 for (; key_event->data; key_event++) { 968 if (key_event->data == ev) { 969 ev = key_event->event; 970 break; 971 } 972 } 973 974 if (!key_event->data) 975 printk(KERN_INFO DRV_PFX 976 "Unknown event: 0x%x 0x%x\n", 977 key_handle, 978 ev); 979 else 980 sony_laptop_report_input_event(ev); 981 } 982 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) { 983 sony_nc_rfkill_update(); 984 return; 985 } 986 } else 987 sony_laptop_report_input_event(ev); 988 989 dprintk("sony_nc_notify, event: 0x%.2x\n", ev); 990 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev); 991 } 992 993 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 994 void *context, void **return_value) 995 { 996 struct acpi_device_info *info; 997 998 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 999 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", 1000 (char *)&info->name, info->param_count); 1001 1002 kfree(info); 1003 } 1004 1005 return AE_OK; 1006 } 1007 1008 /* 1009 * ACPI device 1010 */ 1011 static int sony_nc_function_setup(struct acpi_device *device) 1012 { 1013 int result; 1014 1015 /* Enable all events */ 1016 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result); 1017 1018 /* Setup hotkeys */ 1019 sony_call_snc_handle(0x0100, 0, &result); 1020 sony_call_snc_handle(0x0101, 0, &result); 1021 sony_call_snc_handle(0x0102, 0x100, &result); 1022 sony_call_snc_handle(0x0127, 0, &result); 1023 1024 return 0; 1025 } 1026 1027 static int sony_nc_resume(struct acpi_device *device) 1028 { 1029 struct sony_nc_value *item; 1030 acpi_handle handle; 1031 1032 for (item = sony_nc_values; item->name; item++) { 1033 int ret; 1034 1035 if (!item->valid) 1036 continue; 1037 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, 1038 item->value, NULL); 1039 if (ret < 0) { 1040 printk("%s: %d\n", __func__, ret); 1041 break; 1042 } 1043 } 1044 1045 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1046 &handle))) { 1047 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1048 dprintk("ECON Method failed\n"); 1049 } 1050 1051 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1052 &handle))) { 1053 dprintk("Doing SNC setup\n"); 1054 sony_nc_function_setup(device); 1055 } 1056 1057 /* set the last requested brightness level */ 1058 if (sony_backlight_device && 1059 sony_backlight_update_status(sony_backlight_device) < 0) 1060 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); 1061 1062 /* re-read rfkill state */ 1063 sony_nc_rfkill_update(); 1064 1065 return 0; 1066 } 1067 1068 static void sony_nc_rfkill_cleanup(void) 1069 { 1070 int i; 1071 1072 for (i = 0; i < N_SONY_RFKILL; i++) { 1073 if (sony_rfkill_devices[i]) { 1074 rfkill_unregister(sony_rfkill_devices[i]); 1075 rfkill_destroy(sony_rfkill_devices[i]); 1076 } 1077 } 1078 } 1079 1080 static int sony_nc_rfkill_set(void *data, bool blocked) 1081 { 1082 int result; 1083 int argument = sony_rfkill_address[(long) data] + 0x100; 1084 1085 if (!blocked) 1086 argument |= 0xff0000; 1087 1088 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1089 } 1090 1091 static const struct rfkill_ops sony_rfkill_ops = { 1092 .set_block = sony_nc_rfkill_set, 1093 }; 1094 1095 static int sony_nc_setup_rfkill(struct acpi_device *device, 1096 enum sony_nc_rfkill nc_type) 1097 { 1098 int err = 0; 1099 struct rfkill *rfk; 1100 enum rfkill_type type; 1101 const char *name; 1102 int result; 1103 bool hwblock; 1104 1105 switch (nc_type) { 1106 case SONY_WIFI: 1107 type = RFKILL_TYPE_WLAN; 1108 name = "sony-wifi"; 1109 break; 1110 case SONY_BLUETOOTH: 1111 type = RFKILL_TYPE_BLUETOOTH; 1112 name = "sony-bluetooth"; 1113 break; 1114 case SONY_WWAN: 1115 type = RFKILL_TYPE_WWAN; 1116 name = "sony-wwan"; 1117 break; 1118 case SONY_WIMAX: 1119 type = RFKILL_TYPE_WIMAX; 1120 name = "sony-wimax"; 1121 break; 1122 default: 1123 return -EINVAL; 1124 } 1125 1126 rfk = rfkill_alloc(name, &device->dev, type, 1127 &sony_rfkill_ops, (void *)nc_type); 1128 if (!rfk) 1129 return -ENOMEM; 1130 1131 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1132 hwblock = !(result & 0x1); 1133 rfkill_set_hw_state(rfk, hwblock); 1134 1135 err = rfkill_register(rfk); 1136 if (err) { 1137 rfkill_destroy(rfk); 1138 return err; 1139 } 1140 sony_rfkill_devices[nc_type] = rfk; 1141 return err; 1142 } 1143 1144 static void sony_nc_rfkill_update(void) 1145 { 1146 enum sony_nc_rfkill i; 1147 int result; 1148 bool hwblock; 1149 1150 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1151 hwblock = !(result & 0x1); 1152 1153 for (i = 0; i < N_SONY_RFKILL; i++) { 1154 int argument = sony_rfkill_address[i]; 1155 1156 if (!sony_rfkill_devices[i]) 1157 continue; 1158 1159 if (hwblock) { 1160 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1161 /* we already know we're blocked */ 1162 } 1163 continue; 1164 } 1165 1166 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1167 rfkill_set_states(sony_rfkill_devices[i], 1168 !(result & 0xf), false); 1169 } 1170 } 1171 1172 static void sony_nc_rfkill_setup(struct acpi_device *device) 1173 { 1174 int offset; 1175 u8 dev_code, i; 1176 acpi_status status; 1177 struct acpi_object_list params; 1178 union acpi_object in_obj; 1179 union acpi_object *device_enum; 1180 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; 1181 1182 offset = sony_find_snc_handle(0x124); 1183 if (offset == -1) { 1184 offset = sony_find_snc_handle(0x135); 1185 if (offset == -1) 1186 return; 1187 else 1188 sony_rfkill_handle = 0x135; 1189 } else 1190 sony_rfkill_handle = 0x124; 1191 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle); 1192 1193 /* need to read the whole buffer returned by the acpi call to SN06 1194 * here otherwise we may miss some features 1195 */ 1196 params.count = 1; 1197 params.pointer = &in_obj; 1198 in_obj.type = ACPI_TYPE_INTEGER; 1199 in_obj.integer.value = offset; 1200 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms, 1201 &buffer); 1202 if (ACPI_FAILURE(status)) { 1203 dprintk("Radio device enumeration failed\n"); 1204 return; 1205 } 1206 1207 device_enum = (union acpi_object *) buffer.pointer; 1208 if (!device_enum) { 1209 pr_err("Invalid SN06 return object\n"); 1210 goto out_no_enum; 1211 } 1212 if (device_enum->type != ACPI_TYPE_BUFFER) { 1213 pr_err("Invalid SN06 return object type 0x%.2x\n", 1214 device_enum->type); 1215 goto out_no_enum; 1216 } 1217 1218 /* the buffer is filled with magic numbers describing the devices 1219 * available, 0xff terminates the enumeration 1220 */ 1221 for (i = 0; i < device_enum->buffer.length; i++) { 1222 1223 dev_code = *(device_enum->buffer.pointer + i); 1224 if (dev_code == 0xff) 1225 break; 1226 1227 dprintk("Radio devices, looking at 0x%.2x\n", dev_code); 1228 1229 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI]) 1230 sony_nc_setup_rfkill(device, SONY_WIFI); 1231 1232 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1233 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1234 1235 if ((0xf0 & dev_code) == 0x20 && 1236 !sony_rfkill_devices[SONY_WWAN]) 1237 sony_nc_setup_rfkill(device, SONY_WWAN); 1238 1239 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1240 sony_nc_setup_rfkill(device, SONY_WIMAX); 1241 } 1242 1243 out_no_enum: 1244 kfree(buffer.pointer); 1245 return; 1246 } 1247 1248 static int sony_nc_add(struct acpi_device *device) 1249 { 1250 acpi_status status; 1251 int result = 0; 1252 acpi_handle handle; 1253 struct sony_nc_value *item; 1254 1255 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1256 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1257 1258 sony_nc_acpi_device = device; 1259 strcpy(acpi_device_class(device), "sony/hotkey"); 1260 1261 sony_nc_acpi_handle = device->handle; 1262 1263 /* read device status */ 1264 result = acpi_bus_get_status(device); 1265 /* bail IFF the above call was successful and the device is not present */ 1266 if (!result && !device->status.present) { 1267 dprintk("Device not present\n"); 1268 result = -ENODEV; 1269 goto outwalk; 1270 } 1271 1272 if (debug) { 1273 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1274 1, sony_walk_callback, NULL, NULL, NULL); 1275 if (ACPI_FAILURE(status)) { 1276 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1277 result = -ENODEV; 1278 goto outwalk; 1279 } 1280 } 1281 1282 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1283 &handle))) { 1284 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1285 dprintk("ECON Method failed\n"); 1286 } 1287 1288 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1289 &handle))) { 1290 dprintk("Doing SNC setup\n"); 1291 sony_nc_function_setup(device); 1292 sony_nc_rfkill_setup(device); 1293 } 1294 1295 /* setup input devices and helper fifo */ 1296 result = sony_laptop_setup_input(device); 1297 if (result) { 1298 printk(KERN_ERR DRV_PFX 1299 "Unable to create input devices.\n"); 1300 goto outwalk; 1301 } 1302 1303 if (acpi_video_backlight_support()) { 1304 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1305 "controlled by ACPI video driver\n"); 1306 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1307 &handle))) { 1308 struct backlight_properties props; 1309 memset(&props, 0, sizeof(struct backlight_properties)); 1310 props.type = BACKLIGHT_PLATFORM; 1311 props.max_brightness = SONY_MAX_BRIGHTNESS - 1; 1312 sony_backlight_device = backlight_device_register("sony", NULL, 1313 NULL, 1314 &sony_backlight_ops, 1315 &props); 1316 1317 if (IS_ERR(sony_backlight_device)) { 1318 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1319 sony_backlight_device = NULL; 1320 } else { 1321 sony_backlight_device->props.brightness = 1322 sony_backlight_get_brightness 1323 (sony_backlight_device); 1324 } 1325 1326 } 1327 1328 result = sony_pf_add(); 1329 if (result) 1330 goto outbacklight; 1331 1332 /* create sony_pf sysfs attributes related to the SNC device */ 1333 for (item = sony_nc_values; item->name; ++item) { 1334 1335 if (!debug && item->debug) 1336 continue; 1337 1338 /* find the available acpiget as described in the DSDT */ 1339 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1340 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1341 *item->acpiget, 1342 &handle))) { 1343 dprintk("Found %s getter: %s\n", 1344 item->name, *item->acpiget); 1345 item->devattr.attr.mode |= S_IRUGO; 1346 break; 1347 } 1348 } 1349 1350 /* find the available acpiset as described in the DSDT */ 1351 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1352 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1353 *item->acpiset, 1354 &handle))) { 1355 dprintk("Found %s setter: %s\n", 1356 item->name, *item->acpiset); 1357 item->devattr.attr.mode |= S_IWUSR; 1358 break; 1359 } 1360 } 1361 1362 if (item->devattr.attr.mode != 0) { 1363 result = 1364 device_create_file(&sony_pf_device->dev, 1365 &item->devattr); 1366 if (result) 1367 goto out_sysfs; 1368 } 1369 } 1370 1371 return 0; 1372 1373 out_sysfs: 1374 for (item = sony_nc_values; item->name; ++item) { 1375 device_remove_file(&sony_pf_device->dev, &item->devattr); 1376 } 1377 sony_pf_remove(); 1378 1379 outbacklight: 1380 if (sony_backlight_device) 1381 backlight_device_unregister(sony_backlight_device); 1382 1383 sony_laptop_remove_input(); 1384 1385 outwalk: 1386 sony_nc_rfkill_cleanup(); 1387 return result; 1388 } 1389 1390 static int sony_nc_remove(struct acpi_device *device, int type) 1391 { 1392 struct sony_nc_value *item; 1393 1394 if (sony_backlight_device) 1395 backlight_device_unregister(sony_backlight_device); 1396 1397 sony_nc_acpi_device = NULL; 1398 1399 for (item = sony_nc_values; item->name; ++item) { 1400 device_remove_file(&sony_pf_device->dev, &item->devattr); 1401 } 1402 1403 sony_pf_remove(); 1404 sony_laptop_remove_input(); 1405 sony_nc_rfkill_cleanup(); 1406 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1407 1408 return 0; 1409 } 1410 1411 static const struct acpi_device_id sony_device_ids[] = { 1412 {SONY_NC_HID, 0}, 1413 {SONY_PIC_HID, 0}, 1414 {"", 0}, 1415 }; 1416 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1417 1418 static const struct acpi_device_id sony_nc_device_ids[] = { 1419 {SONY_NC_HID, 0}, 1420 {"", 0}, 1421 }; 1422 1423 static struct acpi_driver sony_nc_driver = { 1424 .name = SONY_NC_DRIVER_NAME, 1425 .class = SONY_NC_CLASS, 1426 .ids = sony_nc_device_ids, 1427 .owner = THIS_MODULE, 1428 .ops = { 1429 .add = sony_nc_add, 1430 .remove = sony_nc_remove, 1431 .resume = sony_nc_resume, 1432 .notify = sony_nc_notify, 1433 }, 1434 }; 1435 1436 /*********** SPIC (SNY6001) Device ***********/ 1437 1438 #define SONYPI_DEVICE_TYPE1 0x00000001 1439 #define SONYPI_DEVICE_TYPE2 0x00000002 1440 #define SONYPI_DEVICE_TYPE3 0x00000004 1441 #define SONYPI_DEVICE_TYPE4 0x00000008 1442 1443 #define SONYPI_TYPE1_OFFSET 0x04 1444 #define SONYPI_TYPE2_OFFSET 0x12 1445 #define SONYPI_TYPE3_OFFSET 0x12 1446 1447 struct sony_pic_ioport { 1448 struct acpi_resource_io io1; 1449 struct acpi_resource_io io2; 1450 struct list_head list; 1451 }; 1452 1453 struct sony_pic_irq { 1454 struct acpi_resource_irq irq; 1455 struct list_head list; 1456 }; 1457 1458 struct sonypi_eventtypes { 1459 u8 data; 1460 unsigned long mask; 1461 struct sonypi_event *events; 1462 }; 1463 1464 struct sony_pic_dev { 1465 struct acpi_device *acpi_dev; 1466 struct sony_pic_irq *cur_irq; 1467 struct sony_pic_ioport *cur_ioport; 1468 struct list_head interrupts; 1469 struct list_head ioports; 1470 struct mutex lock; 1471 struct sonypi_eventtypes *event_types; 1472 int (*handle_irq)(const u8, const u8); 1473 int model; 1474 u16 evport_offset; 1475 u8 camera_power; 1476 u8 bluetooth_power; 1477 u8 wwan_power; 1478 }; 1479 1480 static struct sony_pic_dev spic_dev = { 1481 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 1482 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 1483 }; 1484 1485 static int spic_drv_registered; 1486 1487 /* Event masks */ 1488 #define SONYPI_JOGGER_MASK 0x00000001 1489 #define SONYPI_CAPTURE_MASK 0x00000002 1490 #define SONYPI_FNKEY_MASK 0x00000004 1491 #define SONYPI_BLUETOOTH_MASK 0x00000008 1492 #define SONYPI_PKEY_MASK 0x00000010 1493 #define SONYPI_BACK_MASK 0x00000020 1494 #define SONYPI_HELP_MASK 0x00000040 1495 #define SONYPI_LID_MASK 0x00000080 1496 #define SONYPI_ZOOM_MASK 0x00000100 1497 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1498 #define SONYPI_MEYE_MASK 0x00000400 1499 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1500 #define SONYPI_BATTERY_MASK 0x00001000 1501 #define SONYPI_WIRELESS_MASK 0x00002000 1502 1503 struct sonypi_event { 1504 u8 data; 1505 u8 event; 1506 }; 1507 1508 /* The set of possible button release events */ 1509 static struct sonypi_event sonypi_releaseev[] = { 1510 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1511 { 0, 0 } 1512 }; 1513 1514 /* The set of possible jogger events */ 1515 static struct sonypi_event sonypi_joggerev[] = { 1516 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1517 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1518 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1519 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1520 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1521 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1522 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1523 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1524 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1525 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1526 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1527 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1528 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1529 { 0, 0 } 1530 }; 1531 1532 /* The set of possible capture button events */ 1533 static struct sonypi_event sonypi_captureev[] = { 1534 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1535 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1536 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1537 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1538 { 0, 0 } 1539 }; 1540 1541 /* The set of possible fnkeys events */ 1542 static struct sonypi_event sonypi_fnkeyev[] = { 1543 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1544 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1545 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1546 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1547 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1548 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1549 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1550 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1551 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1552 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1553 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1554 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1555 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1556 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1557 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1558 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1559 { 0x31, SONYPI_EVENT_FNKEY_D }, 1560 { 0x32, SONYPI_EVENT_FNKEY_E }, 1561 { 0x33, SONYPI_EVENT_FNKEY_F }, 1562 { 0x34, SONYPI_EVENT_FNKEY_S }, 1563 { 0x35, SONYPI_EVENT_FNKEY_B }, 1564 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1565 { 0, 0 } 1566 }; 1567 1568 /* The set of possible program key events */ 1569 static struct sonypi_event sonypi_pkeyev[] = { 1570 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1571 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1572 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1573 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1574 { 0, 0 } 1575 }; 1576 1577 /* The set of possible bluetooth events */ 1578 static struct sonypi_event sonypi_blueev[] = { 1579 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1580 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1581 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1582 { 0, 0 } 1583 }; 1584 1585 /* The set of possible wireless events */ 1586 static struct sonypi_event sonypi_wlessev[] = { 1587 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1588 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1589 { 0, 0 } 1590 }; 1591 1592 /* The set of possible back button events */ 1593 static struct sonypi_event sonypi_backev[] = { 1594 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1595 { 0, 0 } 1596 }; 1597 1598 /* The set of possible help button events */ 1599 static struct sonypi_event sonypi_helpev[] = { 1600 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1601 { 0, 0 } 1602 }; 1603 1604 1605 /* The set of possible lid events */ 1606 static struct sonypi_event sonypi_lidev[] = { 1607 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1608 { 0x50, SONYPI_EVENT_LID_OPENED }, 1609 { 0, 0 } 1610 }; 1611 1612 /* The set of possible zoom events */ 1613 static struct sonypi_event sonypi_zoomev[] = { 1614 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1615 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1616 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1617 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1618 { 0, 0 } 1619 }; 1620 1621 /* The set of possible thumbphrase events */ 1622 static struct sonypi_event sonypi_thumbphraseev[] = { 1623 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1624 { 0, 0 } 1625 }; 1626 1627 /* The set of possible motioneye camera events */ 1628 static struct sonypi_event sonypi_meyeev[] = { 1629 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1630 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1631 { 0, 0 } 1632 }; 1633 1634 /* The set of possible memorystick events */ 1635 static struct sonypi_event sonypi_memorystickev[] = { 1636 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1637 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1638 { 0, 0 } 1639 }; 1640 1641 /* The set of possible battery events */ 1642 static struct sonypi_event sonypi_batteryev[] = { 1643 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1644 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1645 { 0, 0 } 1646 }; 1647 1648 /* The set of possible volume events */ 1649 static struct sonypi_event sonypi_volumeev[] = { 1650 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1651 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1652 { 0, 0 } 1653 }; 1654 1655 /* The set of possible brightness events */ 1656 static struct sonypi_event sonypi_brightnessev[] = { 1657 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1658 { 0, 0 } 1659 }; 1660 1661 static struct sonypi_eventtypes type1_events[] = { 1662 { 0, 0xffffffff, sonypi_releaseev }, 1663 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1664 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1665 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1666 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1667 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1668 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1669 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1670 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1671 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1672 { 0 }, 1673 }; 1674 static struct sonypi_eventtypes type2_events[] = { 1675 { 0, 0xffffffff, sonypi_releaseev }, 1676 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1677 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1678 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1679 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1680 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1681 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1682 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1683 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1684 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1685 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1686 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1687 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1688 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1689 { 0 }, 1690 }; 1691 static struct sonypi_eventtypes type3_events[] = { 1692 { 0, 0xffffffff, sonypi_releaseev }, 1693 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1694 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1695 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1696 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1697 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1698 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1699 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1700 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1701 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1702 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1703 { 0 }, 1704 }; 1705 1706 /* low level spic calls */ 1707 #define ITERATIONS_LONG 10000 1708 #define ITERATIONS_SHORT 10 1709 #define wait_on_command(command, iterations) { \ 1710 unsigned int n = iterations; \ 1711 while (--n && (command)) \ 1712 udelay(1); \ 1713 if (!n) \ 1714 dprintk("command failed at %s : %s (line %d)\n", \ 1715 __FILE__, __func__, __LINE__); \ 1716 } 1717 1718 static u8 sony_pic_call1(u8 dev) 1719 { 1720 u8 v1, v2; 1721 1722 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1723 ITERATIONS_LONG); 1724 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1725 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1726 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1727 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1728 return v2; 1729 } 1730 1731 static u8 sony_pic_call2(u8 dev, u8 fn) 1732 { 1733 u8 v1; 1734 1735 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1736 ITERATIONS_LONG); 1737 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1738 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1739 ITERATIONS_LONG); 1740 outb(fn, spic_dev.cur_ioport->io1.minimum); 1741 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1742 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1743 return v1; 1744 } 1745 1746 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1747 { 1748 u8 v1; 1749 1750 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1751 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1752 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1753 outb(fn, spic_dev.cur_ioport->io1.minimum); 1754 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1755 outb(v, spic_dev.cur_ioport->io1.minimum); 1756 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1757 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1758 dev, fn, v, v1); 1759 return v1; 1760 } 1761 1762 /* 1763 * minidrivers for SPIC models 1764 */ 1765 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1766 { 1767 /* 1768 * 0x31 could mean we have to take some extra action and wait for 1769 * the next irq for some Type3 models, it will generate a new 1770 * irq and we can read new data from the device: 1771 * - 0x5c and 0x5f requires 0xA0 1772 * - 0x61 requires 0xB3 1773 */ 1774 if (data_mask == 0x31) { 1775 if (ev == 0x5c || ev == 0x5f) 1776 sony_pic_call1(0xA0); 1777 else if (ev == 0x61) 1778 sony_pic_call1(0xB3); 1779 return 0; 1780 } 1781 return 1; 1782 } 1783 1784 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 1785 { 1786 struct pci_dev *pcidev; 1787 1788 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1789 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 1790 if (pcidev) { 1791 dev->model = SONYPI_DEVICE_TYPE1; 1792 dev->evport_offset = SONYPI_TYPE1_OFFSET; 1793 dev->event_types = type1_events; 1794 goto out; 1795 } 1796 1797 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1798 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1799 if (pcidev) { 1800 dev->model = SONYPI_DEVICE_TYPE2; 1801 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1802 dev->event_types = type2_events; 1803 goto out; 1804 } 1805 1806 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1807 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1808 if (pcidev) { 1809 dev->model = SONYPI_DEVICE_TYPE3; 1810 dev->handle_irq = type3_handle_irq; 1811 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1812 dev->event_types = type3_events; 1813 goto out; 1814 } 1815 1816 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1817 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1818 if (pcidev) { 1819 dev->model = SONYPI_DEVICE_TYPE3; 1820 dev->handle_irq = type3_handle_irq; 1821 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1822 dev->event_types = type3_events; 1823 goto out; 1824 } 1825 1826 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1827 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 1828 if (pcidev) { 1829 dev->model = SONYPI_DEVICE_TYPE3; 1830 dev->handle_irq = type3_handle_irq; 1831 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1832 dev->event_types = type3_events; 1833 goto out; 1834 } 1835 1836 /* default */ 1837 dev->model = SONYPI_DEVICE_TYPE2; 1838 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1839 dev->event_types = type2_events; 1840 1841 out: 1842 if (pcidev) 1843 pci_dev_put(pcidev); 1844 1845 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1846 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 1847 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1848 } 1849 1850 /* camera tests and poweron/poweroff */ 1851 #define SONYPI_CAMERA_PICTURE 5 1852 #define SONYPI_CAMERA_CONTROL 0x10 1853 1854 #define SONYPI_CAMERA_BRIGHTNESS 0 1855 #define SONYPI_CAMERA_CONTRAST 1 1856 #define SONYPI_CAMERA_HUE 2 1857 #define SONYPI_CAMERA_COLOR 3 1858 #define SONYPI_CAMERA_SHARPNESS 4 1859 1860 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1861 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1862 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1863 #define SONYPI_CAMERA_MUTE_MASK 0x40 1864 1865 /* the rest don't need a loop until not 0xff */ 1866 #define SONYPI_CAMERA_AGC 6 1867 #define SONYPI_CAMERA_AGC_MASK 0x30 1868 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1869 1870 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1871 #define SONYPI_CAMERA_CONTROL 0x10 1872 1873 #define SONYPI_CAMERA_STATUS 7 1874 #define SONYPI_CAMERA_STATUS_READY 0x2 1875 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1876 1877 #define SONYPI_DIRECTION_BACKWARDS 0x4 1878 1879 #define SONYPI_CAMERA_REVISION 8 1880 #define SONYPI_CAMERA_ROMVERSION 9 1881 1882 static int __sony_pic_camera_ready(void) 1883 { 1884 u8 v; 1885 1886 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1887 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1888 } 1889 1890 static int __sony_pic_camera_off(void) 1891 { 1892 if (!camera) { 1893 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1894 return -ENODEV; 1895 } 1896 1897 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1898 SONYPI_CAMERA_MUTE_MASK), 1899 ITERATIONS_SHORT); 1900 1901 if (spic_dev.camera_power) { 1902 sony_pic_call2(0x91, 0); 1903 spic_dev.camera_power = 0; 1904 } 1905 return 0; 1906 } 1907 1908 static int __sony_pic_camera_on(void) 1909 { 1910 int i, j, x; 1911 1912 if (!camera) { 1913 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1914 return -ENODEV; 1915 } 1916 1917 if (spic_dev.camera_power) 1918 return 0; 1919 1920 for (j = 5; j > 0; j--) { 1921 1922 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1923 msleep(10); 1924 sony_pic_call1(0x93); 1925 1926 for (i = 400; i > 0; i--) { 1927 if (__sony_pic_camera_ready()) 1928 break; 1929 msleep(10); 1930 } 1931 if (i) 1932 break; 1933 } 1934 1935 if (j == 0) { 1936 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1937 return -ENODEV; 1938 } 1939 1940 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1941 0x5a), 1942 ITERATIONS_SHORT); 1943 1944 spic_dev.camera_power = 1; 1945 return 0; 1946 } 1947 1948 /* External camera command (exported to the motion eye v4l driver) */ 1949 int sony_pic_camera_command(int command, u8 value) 1950 { 1951 if (!camera) 1952 return -EIO; 1953 1954 mutex_lock(&spic_dev.lock); 1955 1956 switch (command) { 1957 case SONY_PIC_COMMAND_SETCAMERA: 1958 if (value) 1959 __sony_pic_camera_on(); 1960 else 1961 __sony_pic_camera_off(); 1962 break; 1963 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1964 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1965 ITERATIONS_SHORT); 1966 break; 1967 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1968 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1969 ITERATIONS_SHORT); 1970 break; 1971 case SONY_PIC_COMMAND_SETCAMERAHUE: 1972 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1973 ITERATIONS_SHORT); 1974 break; 1975 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1976 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1977 ITERATIONS_SHORT); 1978 break; 1979 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1980 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1981 ITERATIONS_SHORT); 1982 break; 1983 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1984 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1985 ITERATIONS_SHORT); 1986 break; 1987 case SONY_PIC_COMMAND_SETCAMERAAGC: 1988 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1989 ITERATIONS_SHORT); 1990 break; 1991 default: 1992 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1993 command); 1994 break; 1995 } 1996 mutex_unlock(&spic_dev.lock); 1997 return 0; 1998 } 1999 EXPORT_SYMBOL(sony_pic_camera_command); 2000 2001 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 2002 static void __sony_pic_set_wwanpower(u8 state) 2003 { 2004 state = !!state; 2005 if (spic_dev.wwan_power == state) 2006 return; 2007 sony_pic_call2(0xB0, state); 2008 sony_pic_call1(0x82); 2009 spic_dev.wwan_power = state; 2010 } 2011 2012 static ssize_t sony_pic_wwanpower_store(struct device *dev, 2013 struct device_attribute *attr, 2014 const char *buffer, size_t count) 2015 { 2016 unsigned long value; 2017 if (count > 31) 2018 return -EINVAL; 2019 2020 value = simple_strtoul(buffer, NULL, 10); 2021 mutex_lock(&spic_dev.lock); 2022 __sony_pic_set_wwanpower(value); 2023 mutex_unlock(&spic_dev.lock); 2024 2025 return count; 2026 } 2027 2028 static ssize_t sony_pic_wwanpower_show(struct device *dev, 2029 struct device_attribute *attr, char *buffer) 2030 { 2031 ssize_t count; 2032 mutex_lock(&spic_dev.lock); 2033 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 2034 mutex_unlock(&spic_dev.lock); 2035 return count; 2036 } 2037 2038 /* bluetooth subsystem power state */ 2039 static void __sony_pic_set_bluetoothpower(u8 state) 2040 { 2041 state = !!state; 2042 if (spic_dev.bluetooth_power == state) 2043 return; 2044 sony_pic_call2(0x96, state); 2045 sony_pic_call1(0x82); 2046 spic_dev.bluetooth_power = state; 2047 } 2048 2049 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 2050 struct device_attribute *attr, 2051 const char *buffer, size_t count) 2052 { 2053 unsigned long value; 2054 if (count > 31) 2055 return -EINVAL; 2056 2057 value = simple_strtoul(buffer, NULL, 10); 2058 mutex_lock(&spic_dev.lock); 2059 __sony_pic_set_bluetoothpower(value); 2060 mutex_unlock(&spic_dev.lock); 2061 2062 return count; 2063 } 2064 2065 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 2066 struct device_attribute *attr, char *buffer) 2067 { 2068 ssize_t count = 0; 2069 mutex_lock(&spic_dev.lock); 2070 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2071 mutex_unlock(&spic_dev.lock); 2072 return count; 2073 } 2074 2075 /* fan speed */ 2076 /* FAN0 information (reverse engineered from ACPI tables) */ 2077 #define SONY_PIC_FAN0_STATUS 0x93 2078 static int sony_pic_set_fanspeed(unsigned long value) 2079 { 2080 return ec_write(SONY_PIC_FAN0_STATUS, value); 2081 } 2082 2083 static int sony_pic_get_fanspeed(u8 *value) 2084 { 2085 return ec_read(SONY_PIC_FAN0_STATUS, value); 2086 } 2087 2088 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2089 struct device_attribute *attr, 2090 const char *buffer, size_t count) 2091 { 2092 unsigned long value; 2093 if (count > 31) 2094 return -EINVAL; 2095 2096 value = simple_strtoul(buffer, NULL, 10); 2097 if (sony_pic_set_fanspeed(value)) 2098 return -EIO; 2099 2100 return count; 2101 } 2102 2103 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2104 struct device_attribute *attr, char *buffer) 2105 { 2106 u8 value = 0; 2107 if (sony_pic_get_fanspeed(&value)) 2108 return -EIO; 2109 2110 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2111 } 2112 2113 #define SPIC_ATTR(_name, _mode) \ 2114 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2115 _mode, sony_pic_## _name ##_show, \ 2116 sony_pic_## _name ##_store) 2117 2118 static SPIC_ATTR(bluetoothpower, 0644); 2119 static SPIC_ATTR(wwanpower, 0644); 2120 static SPIC_ATTR(fanspeed, 0644); 2121 2122 static struct attribute *spic_attributes[] = { 2123 &spic_attr_bluetoothpower.attr, 2124 &spic_attr_wwanpower.attr, 2125 &spic_attr_fanspeed.attr, 2126 NULL 2127 }; 2128 2129 static struct attribute_group spic_attribute_group = { 2130 .attrs = spic_attributes 2131 }; 2132 2133 /******** SONYPI compatibility **********/ 2134 #ifdef CONFIG_SONYPI_COMPAT 2135 2136 /* battery / brightness / temperature addresses */ 2137 #define SONYPI_BAT_FLAGS 0x81 2138 #define SONYPI_LCD_LIGHT 0x96 2139 #define SONYPI_BAT1_PCTRM 0xa0 2140 #define SONYPI_BAT1_LEFT 0xa2 2141 #define SONYPI_BAT1_MAXRT 0xa4 2142 #define SONYPI_BAT2_PCTRM 0xa8 2143 #define SONYPI_BAT2_LEFT 0xaa 2144 #define SONYPI_BAT2_MAXRT 0xac 2145 #define SONYPI_BAT1_MAXTK 0xb0 2146 #define SONYPI_BAT1_FULL 0xb2 2147 #define SONYPI_BAT2_MAXTK 0xb8 2148 #define SONYPI_BAT2_FULL 0xba 2149 #define SONYPI_TEMP_STATUS 0xC1 2150 2151 struct sonypi_compat_s { 2152 struct fasync_struct *fifo_async; 2153 struct kfifo fifo; 2154 spinlock_t fifo_lock; 2155 wait_queue_head_t fifo_proc_list; 2156 atomic_t open_count; 2157 }; 2158 static struct sonypi_compat_s sonypi_compat = { 2159 .open_count = ATOMIC_INIT(0), 2160 }; 2161 2162 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2163 { 2164 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2165 } 2166 2167 static int sonypi_misc_release(struct inode *inode, struct file *file) 2168 { 2169 atomic_dec(&sonypi_compat.open_count); 2170 return 0; 2171 } 2172 2173 static int sonypi_misc_open(struct inode *inode, struct file *file) 2174 { 2175 /* Flush input queue on first open */ 2176 unsigned long flags; 2177 2178 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 2179 2180 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2181 kfifo_reset(&sonypi_compat.fifo); 2182 2183 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 2184 2185 return 0; 2186 } 2187 2188 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2189 size_t count, loff_t *pos) 2190 { 2191 ssize_t ret; 2192 unsigned char c; 2193 2194 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 2195 (file->f_flags & O_NONBLOCK)) 2196 return -EAGAIN; 2197 2198 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2199 kfifo_len(&sonypi_compat.fifo) != 0); 2200 if (ret) 2201 return ret; 2202 2203 while (ret < count && 2204 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 2205 &sonypi_compat.fifo_lock) == sizeof(c))) { 2206 if (put_user(c, buf++)) 2207 return -EFAULT; 2208 ret++; 2209 } 2210 2211 if (ret > 0) { 2212 struct inode *inode = file->f_path.dentry->d_inode; 2213 inode->i_atime = current_fs_time(inode->i_sb); 2214 } 2215 2216 return ret; 2217 } 2218 2219 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2220 { 2221 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2222 if (kfifo_len(&sonypi_compat.fifo)) 2223 return POLLIN | POLLRDNORM; 2224 return 0; 2225 } 2226 2227 static int ec_read16(u8 addr, u16 *value) 2228 { 2229 u8 val_lb, val_hb; 2230 if (ec_read(addr, &val_lb)) 2231 return -1; 2232 if (ec_read(addr + 1, &val_hb)) 2233 return -1; 2234 *value = val_lb | (val_hb << 8); 2235 return 0; 2236 } 2237 2238 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2239 unsigned long arg) 2240 { 2241 int ret = 0; 2242 void __user *argp = (void __user *)arg; 2243 u8 val8; 2244 u16 val16; 2245 int value; 2246 2247 mutex_lock(&spic_dev.lock); 2248 switch (cmd) { 2249 case SONYPI_IOCGBRT: 2250 if (sony_backlight_device == NULL) { 2251 ret = -EIO; 2252 break; 2253 } 2254 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2255 ret = -EIO; 2256 break; 2257 } 2258 val8 = ((value & 0xff) - 1) << 5; 2259 if (copy_to_user(argp, &val8, sizeof(val8))) 2260 ret = -EFAULT; 2261 break; 2262 case SONYPI_IOCSBRT: 2263 if (sony_backlight_device == NULL) { 2264 ret = -EIO; 2265 break; 2266 } 2267 if (copy_from_user(&val8, argp, sizeof(val8))) { 2268 ret = -EFAULT; 2269 break; 2270 } 2271 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2272 (val8 >> 5) + 1, NULL)) { 2273 ret = -EIO; 2274 break; 2275 } 2276 /* sync the backlight device status */ 2277 sony_backlight_device->props.brightness = 2278 sony_backlight_get_brightness(sony_backlight_device); 2279 break; 2280 case SONYPI_IOCGBAT1CAP: 2281 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 2282 ret = -EIO; 2283 break; 2284 } 2285 if (copy_to_user(argp, &val16, sizeof(val16))) 2286 ret = -EFAULT; 2287 break; 2288 case SONYPI_IOCGBAT1REM: 2289 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 2290 ret = -EIO; 2291 break; 2292 } 2293 if (copy_to_user(argp, &val16, sizeof(val16))) 2294 ret = -EFAULT; 2295 break; 2296 case SONYPI_IOCGBAT2CAP: 2297 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2298 ret = -EIO; 2299 break; 2300 } 2301 if (copy_to_user(argp, &val16, sizeof(val16))) 2302 ret = -EFAULT; 2303 break; 2304 case SONYPI_IOCGBAT2REM: 2305 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2306 ret = -EIO; 2307 break; 2308 } 2309 if (copy_to_user(argp, &val16, sizeof(val16))) 2310 ret = -EFAULT; 2311 break; 2312 case SONYPI_IOCGBATFLAGS: 2313 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2314 ret = -EIO; 2315 break; 2316 } 2317 val8 &= 0x07; 2318 if (copy_to_user(argp, &val8, sizeof(val8))) 2319 ret = -EFAULT; 2320 break; 2321 case SONYPI_IOCGBLUE: 2322 val8 = spic_dev.bluetooth_power; 2323 if (copy_to_user(argp, &val8, sizeof(val8))) 2324 ret = -EFAULT; 2325 break; 2326 case SONYPI_IOCSBLUE: 2327 if (copy_from_user(&val8, argp, sizeof(val8))) { 2328 ret = -EFAULT; 2329 break; 2330 } 2331 __sony_pic_set_bluetoothpower(val8); 2332 break; 2333 /* FAN Controls */ 2334 case SONYPI_IOCGFAN: 2335 if (sony_pic_get_fanspeed(&val8)) { 2336 ret = -EIO; 2337 break; 2338 } 2339 if (copy_to_user(argp, &val8, sizeof(val8))) 2340 ret = -EFAULT; 2341 break; 2342 case SONYPI_IOCSFAN: 2343 if (copy_from_user(&val8, argp, sizeof(val8))) { 2344 ret = -EFAULT; 2345 break; 2346 } 2347 if (sony_pic_set_fanspeed(val8)) 2348 ret = -EIO; 2349 break; 2350 /* GET Temperature (useful under APM) */ 2351 case SONYPI_IOCGTEMP: 2352 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2353 ret = -EIO; 2354 break; 2355 } 2356 if (copy_to_user(argp, &val8, sizeof(val8))) 2357 ret = -EFAULT; 2358 break; 2359 default: 2360 ret = -EINVAL; 2361 } 2362 mutex_unlock(&spic_dev.lock); 2363 return ret; 2364 } 2365 2366 static const struct file_operations sonypi_misc_fops = { 2367 .owner = THIS_MODULE, 2368 .read = sonypi_misc_read, 2369 .poll = sonypi_misc_poll, 2370 .open = sonypi_misc_open, 2371 .release = sonypi_misc_release, 2372 .fasync = sonypi_misc_fasync, 2373 .unlocked_ioctl = sonypi_misc_ioctl, 2374 .llseek = noop_llseek, 2375 }; 2376 2377 static struct miscdevice sonypi_misc_device = { 2378 .minor = MISC_DYNAMIC_MINOR, 2379 .name = "sonypi", 2380 .fops = &sonypi_misc_fops, 2381 }; 2382 2383 static void sonypi_compat_report_event(u8 event) 2384 { 2385 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 2386 sizeof(event), &sonypi_compat.fifo_lock); 2387 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2388 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2389 } 2390 2391 static int sonypi_compat_init(void) 2392 { 2393 int error; 2394 2395 spin_lock_init(&sonypi_compat.fifo_lock); 2396 error = 2397 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 2398 if (error) { 2399 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2400 return error; 2401 } 2402 2403 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2404 2405 if (minor != -1) 2406 sonypi_misc_device.minor = minor; 2407 error = misc_register(&sonypi_misc_device); 2408 if (error) { 2409 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2410 goto err_free_kfifo; 2411 } 2412 if (minor == -1) 2413 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2414 sonypi_misc_device.minor); 2415 2416 return 0; 2417 2418 err_free_kfifo: 2419 kfifo_free(&sonypi_compat.fifo); 2420 return error; 2421 } 2422 2423 static void sonypi_compat_exit(void) 2424 { 2425 misc_deregister(&sonypi_misc_device); 2426 kfifo_free(&sonypi_compat.fifo); 2427 } 2428 #else 2429 static int sonypi_compat_init(void) { return 0; } 2430 static void sonypi_compat_exit(void) { } 2431 static void sonypi_compat_report_event(u8 event) { } 2432 #endif /* CONFIG_SONYPI_COMPAT */ 2433 2434 /* 2435 * ACPI callbacks 2436 */ 2437 static acpi_status 2438 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2439 { 2440 u32 i; 2441 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2442 2443 switch (resource->type) { 2444 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2445 { 2446 /* start IO enumeration */ 2447 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2448 if (!ioport) 2449 return AE_ERROR; 2450 2451 list_add(&ioport->list, &dev->ioports); 2452 return AE_OK; 2453 } 2454 2455 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2456 /* end IO enumeration */ 2457 return AE_OK; 2458 2459 case ACPI_RESOURCE_TYPE_IRQ: 2460 { 2461 struct acpi_resource_irq *p = &resource->data.irq; 2462 struct sony_pic_irq *interrupt = NULL; 2463 if (!p || !p->interrupt_count) { 2464 /* 2465 * IRQ descriptors may have no IRQ# bits set, 2466 * particularly those those w/ _STA disabled 2467 */ 2468 dprintk("Blank IRQ resource\n"); 2469 return AE_OK; 2470 } 2471 for (i = 0; i < p->interrupt_count; i++) { 2472 if (!p->interrupts[i]) { 2473 printk(KERN_WARNING DRV_PFX 2474 "Invalid IRQ %d\n", 2475 p->interrupts[i]); 2476 continue; 2477 } 2478 interrupt = kzalloc(sizeof(*interrupt), 2479 GFP_KERNEL); 2480 if (!interrupt) 2481 return AE_ERROR; 2482 2483 list_add(&interrupt->list, &dev->interrupts); 2484 interrupt->irq.triggering = p->triggering; 2485 interrupt->irq.polarity = p->polarity; 2486 interrupt->irq.sharable = p->sharable; 2487 interrupt->irq.interrupt_count = 1; 2488 interrupt->irq.interrupts[0] = p->interrupts[i]; 2489 } 2490 return AE_OK; 2491 } 2492 case ACPI_RESOURCE_TYPE_IO: 2493 { 2494 struct acpi_resource_io *io = &resource->data.io; 2495 struct sony_pic_ioport *ioport = 2496 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2497 if (!io) { 2498 dprintk("Blank IO resource\n"); 2499 return AE_OK; 2500 } 2501 2502 if (!ioport->io1.minimum) { 2503 memcpy(&ioport->io1, io, sizeof(*io)); 2504 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2505 ioport->io1.address_length); 2506 } 2507 else if (!ioport->io2.minimum) { 2508 memcpy(&ioport->io2, io, sizeof(*io)); 2509 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2510 ioport->io2.address_length); 2511 } 2512 else { 2513 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2514 return AE_ERROR; 2515 } 2516 return AE_OK; 2517 } 2518 default: 2519 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2520 resource->type); 2521 2522 case ACPI_RESOURCE_TYPE_END_TAG: 2523 return AE_OK; 2524 } 2525 return AE_CTRL_TERMINATE; 2526 } 2527 2528 static int sony_pic_possible_resources(struct acpi_device *device) 2529 { 2530 int result = 0; 2531 acpi_status status = AE_OK; 2532 2533 if (!device) 2534 return -EINVAL; 2535 2536 /* get device status */ 2537 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2538 dprintk("Evaluating _STA\n"); 2539 result = acpi_bus_get_status(device); 2540 if (result) { 2541 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2542 goto end; 2543 } 2544 2545 if (!device->status.enabled) 2546 dprintk("Device disabled\n"); 2547 else 2548 dprintk("Device enabled\n"); 2549 2550 /* 2551 * Query and parse 'method' 2552 */ 2553 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2554 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2555 sony_pic_read_possible_resource, &spic_dev); 2556 if (ACPI_FAILURE(status)) { 2557 printk(KERN_WARNING DRV_PFX 2558 "Failure evaluating %s\n", 2559 METHOD_NAME__PRS); 2560 result = -ENODEV; 2561 } 2562 end: 2563 return result; 2564 } 2565 2566 /* 2567 * Disable the spic device by calling its _DIS method 2568 */ 2569 static int sony_pic_disable(struct acpi_device *device) 2570 { 2571 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2572 NULL); 2573 2574 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2575 return -ENXIO; 2576 2577 dprintk("Device disabled\n"); 2578 return 0; 2579 } 2580 2581 2582 /* 2583 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2584 * 2585 * Call _SRS to set current resources 2586 */ 2587 static int sony_pic_enable(struct acpi_device *device, 2588 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2589 { 2590 acpi_status status; 2591 int result = 0; 2592 /* Type 1 resource layout is: 2593 * IO 2594 * IO 2595 * IRQNoFlags 2596 * End 2597 * 2598 * Type 2 and 3 resource layout is: 2599 * IO 2600 * IRQNoFlags 2601 * End 2602 */ 2603 struct { 2604 struct acpi_resource res1; 2605 struct acpi_resource res2; 2606 struct acpi_resource res3; 2607 struct acpi_resource res4; 2608 } *resource; 2609 struct acpi_buffer buffer = { 0, NULL }; 2610 2611 if (!ioport || !irq) 2612 return -EINVAL; 2613 2614 /* init acpi_buffer */ 2615 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2616 if (!resource) 2617 return -ENOMEM; 2618 2619 buffer.length = sizeof(*resource) + 1; 2620 buffer.pointer = resource; 2621 2622 /* setup Type 1 resources */ 2623 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 2624 2625 /* setup io resources */ 2626 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2627 resource->res1.length = sizeof(struct acpi_resource); 2628 memcpy(&resource->res1.data.io, &ioport->io1, 2629 sizeof(struct acpi_resource_io)); 2630 2631 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2632 resource->res2.length = sizeof(struct acpi_resource); 2633 memcpy(&resource->res2.data.io, &ioport->io2, 2634 sizeof(struct acpi_resource_io)); 2635 2636 /* setup irq resource */ 2637 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2638 resource->res3.length = sizeof(struct acpi_resource); 2639 memcpy(&resource->res3.data.irq, &irq->irq, 2640 sizeof(struct acpi_resource_irq)); 2641 /* we requested a shared irq */ 2642 resource->res3.data.irq.sharable = ACPI_SHARED; 2643 2644 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2645 2646 } 2647 /* setup Type 2/3 resources */ 2648 else { 2649 /* setup io resource */ 2650 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2651 resource->res1.length = sizeof(struct acpi_resource); 2652 memcpy(&resource->res1.data.io, &ioport->io1, 2653 sizeof(struct acpi_resource_io)); 2654 2655 /* setup irq resource */ 2656 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2657 resource->res2.length = sizeof(struct acpi_resource); 2658 memcpy(&resource->res2.data.irq, &irq->irq, 2659 sizeof(struct acpi_resource_irq)); 2660 /* we requested a shared irq */ 2661 resource->res2.data.irq.sharable = ACPI_SHARED; 2662 2663 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2664 } 2665 2666 /* Attempt to set the resource */ 2667 dprintk("Evaluating _SRS\n"); 2668 status = acpi_set_current_resources(device->handle, &buffer); 2669 2670 /* check for total failure */ 2671 if (ACPI_FAILURE(status)) { 2672 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2673 result = -ENODEV; 2674 goto end; 2675 } 2676 2677 /* Necessary device initializations calls (from sonypi) */ 2678 sony_pic_call1(0x82); 2679 sony_pic_call2(0x81, 0xff); 2680 sony_pic_call1(compat ? 0x92 : 0x82); 2681 2682 end: 2683 kfree(resource); 2684 return result; 2685 } 2686 2687 /***************** 2688 * 2689 * ISR: some event is available 2690 * 2691 *****************/ 2692 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2693 { 2694 int i, j; 2695 u8 ev = 0; 2696 u8 data_mask = 0; 2697 u8 device_event = 0; 2698 2699 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2700 2701 ev = inb_p(dev->cur_ioport->io1.minimum); 2702 if (dev->cur_ioport->io2.minimum) 2703 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2704 else 2705 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2706 dev->evport_offset); 2707 2708 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2709 ev, data_mask, dev->cur_ioport->io1.minimum, 2710 dev->evport_offset); 2711 2712 if (ev == 0x00 || ev == 0xff) 2713 return IRQ_HANDLED; 2714 2715 for (i = 0; dev->event_types[i].mask; i++) { 2716 2717 if ((data_mask & dev->event_types[i].data) != 2718 dev->event_types[i].data) 2719 continue; 2720 2721 if (!(mask & dev->event_types[i].mask)) 2722 continue; 2723 2724 for (j = 0; dev->event_types[i].events[j].event; j++) { 2725 if (ev == dev->event_types[i].events[j].data) { 2726 device_event = 2727 dev->event_types[i].events[j].event; 2728 goto found; 2729 } 2730 } 2731 } 2732 /* Still not able to decode the event try to pass 2733 * it over to the minidriver 2734 */ 2735 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 2736 return IRQ_HANDLED; 2737 2738 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2739 ev, data_mask, dev->cur_ioport->io1.minimum, 2740 dev->evport_offset); 2741 return IRQ_HANDLED; 2742 2743 found: 2744 sony_laptop_report_input_event(device_event); 2745 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2746 sonypi_compat_report_event(device_event); 2747 2748 return IRQ_HANDLED; 2749 } 2750 2751 /***************** 2752 * 2753 * ACPI driver 2754 * 2755 *****************/ 2756 static int sony_pic_remove(struct acpi_device *device, int type) 2757 { 2758 struct sony_pic_ioport *io, *tmp_io; 2759 struct sony_pic_irq *irq, *tmp_irq; 2760 2761 if (sony_pic_disable(device)) { 2762 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2763 return -ENXIO; 2764 } 2765 2766 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2767 release_region(spic_dev.cur_ioport->io1.minimum, 2768 spic_dev.cur_ioport->io1.address_length); 2769 if (spic_dev.cur_ioport->io2.minimum) 2770 release_region(spic_dev.cur_ioport->io2.minimum, 2771 spic_dev.cur_ioport->io2.address_length); 2772 2773 sonypi_compat_exit(); 2774 2775 sony_laptop_remove_input(); 2776 2777 /* pf attrs */ 2778 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2779 sony_pf_remove(); 2780 2781 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2782 list_del(&io->list); 2783 kfree(io); 2784 } 2785 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2786 list_del(&irq->list); 2787 kfree(irq); 2788 } 2789 spic_dev.cur_ioport = NULL; 2790 spic_dev.cur_irq = NULL; 2791 2792 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2793 return 0; 2794 } 2795 2796 static int sony_pic_add(struct acpi_device *device) 2797 { 2798 int result; 2799 struct sony_pic_ioport *io, *tmp_io; 2800 struct sony_pic_irq *irq, *tmp_irq; 2801 2802 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2803 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2804 2805 spic_dev.acpi_dev = device; 2806 strcpy(acpi_device_class(device), "sony/hotkey"); 2807 sony_pic_detect_device_type(&spic_dev); 2808 mutex_init(&spic_dev.lock); 2809 2810 /* read _PRS resources */ 2811 result = sony_pic_possible_resources(device); 2812 if (result) { 2813 printk(KERN_ERR DRV_PFX 2814 "Unable to read possible resources.\n"); 2815 goto err_free_resources; 2816 } 2817 2818 /* setup input devices and helper fifo */ 2819 result = sony_laptop_setup_input(device); 2820 if (result) { 2821 printk(KERN_ERR DRV_PFX 2822 "Unable to create input devices.\n"); 2823 goto err_free_resources; 2824 } 2825 2826 if (sonypi_compat_init()) 2827 goto err_remove_input; 2828 2829 /* request io port */ 2830 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2831 if (request_region(io->io1.minimum, io->io1.address_length, 2832 "Sony Programable I/O Device")) { 2833 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2834 io->io1.minimum, io->io1.maximum, 2835 io->io1.address_length); 2836 /* Type 1 have 2 ioports */ 2837 if (io->io2.minimum) { 2838 if (request_region(io->io2.minimum, 2839 io->io2.address_length, 2840 "Sony Programable I/O Device")) { 2841 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2842 io->io2.minimum, io->io2.maximum, 2843 io->io2.address_length); 2844 spic_dev.cur_ioport = io; 2845 break; 2846 } 2847 else { 2848 dprintk("Unable to get I/O port2: " 2849 "0x%.4x (0x%.4x) + 0x%.2x\n", 2850 io->io2.minimum, io->io2.maximum, 2851 io->io2.address_length); 2852 release_region(io->io1.minimum, 2853 io->io1.address_length); 2854 } 2855 } 2856 else { 2857 spic_dev.cur_ioport = io; 2858 break; 2859 } 2860 } 2861 } 2862 if (!spic_dev.cur_ioport) { 2863 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2864 result = -ENODEV; 2865 goto err_remove_compat; 2866 } 2867 2868 /* request IRQ */ 2869 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2870 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2871 IRQF_DISABLED, "sony-laptop", &spic_dev)) { 2872 dprintk("IRQ: %d - triggering: %d - " 2873 "polarity: %d - shr: %d\n", 2874 irq->irq.interrupts[0], 2875 irq->irq.triggering, 2876 irq->irq.polarity, 2877 irq->irq.sharable); 2878 spic_dev.cur_irq = irq; 2879 break; 2880 } 2881 } 2882 if (!spic_dev.cur_irq) { 2883 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2884 result = -ENODEV; 2885 goto err_release_region; 2886 } 2887 2888 /* set resource status _SRS */ 2889 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2890 if (result) { 2891 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2892 goto err_free_irq; 2893 } 2894 2895 spic_dev.bluetooth_power = -1; 2896 /* create device attributes */ 2897 result = sony_pf_add(); 2898 if (result) 2899 goto err_disable_device; 2900 2901 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2902 if (result) 2903 goto err_remove_pf; 2904 2905 return 0; 2906 2907 err_remove_pf: 2908 sony_pf_remove(); 2909 2910 err_disable_device: 2911 sony_pic_disable(device); 2912 2913 err_free_irq: 2914 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2915 2916 err_release_region: 2917 release_region(spic_dev.cur_ioport->io1.minimum, 2918 spic_dev.cur_ioport->io1.address_length); 2919 if (spic_dev.cur_ioport->io2.minimum) 2920 release_region(spic_dev.cur_ioport->io2.minimum, 2921 spic_dev.cur_ioport->io2.address_length); 2922 2923 err_remove_compat: 2924 sonypi_compat_exit(); 2925 2926 err_remove_input: 2927 sony_laptop_remove_input(); 2928 2929 err_free_resources: 2930 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2931 list_del(&io->list); 2932 kfree(io); 2933 } 2934 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2935 list_del(&irq->list); 2936 kfree(irq); 2937 } 2938 spic_dev.cur_ioport = NULL; 2939 spic_dev.cur_irq = NULL; 2940 2941 return result; 2942 } 2943 2944 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2945 { 2946 if (sony_pic_disable(device)) 2947 return -ENXIO; 2948 return 0; 2949 } 2950 2951 static int sony_pic_resume(struct acpi_device *device) 2952 { 2953 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2954 return 0; 2955 } 2956 2957 static const struct acpi_device_id sony_pic_device_ids[] = { 2958 {SONY_PIC_HID, 0}, 2959 {"", 0}, 2960 }; 2961 2962 static struct acpi_driver sony_pic_driver = { 2963 .name = SONY_PIC_DRIVER_NAME, 2964 .class = SONY_PIC_CLASS, 2965 .ids = sony_pic_device_ids, 2966 .owner = THIS_MODULE, 2967 .ops = { 2968 .add = sony_pic_add, 2969 .remove = sony_pic_remove, 2970 .suspend = sony_pic_suspend, 2971 .resume = sony_pic_resume, 2972 }, 2973 }; 2974 2975 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2976 { 2977 .ident = "Sony Vaio", 2978 .matches = { 2979 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2980 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2981 }, 2982 }, 2983 { 2984 .ident = "Sony Vaio", 2985 .matches = { 2986 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2987 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2988 }, 2989 }, 2990 { } 2991 }; 2992 2993 static int __init sony_laptop_init(void) 2994 { 2995 int result; 2996 2997 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2998 result = acpi_bus_register_driver(&sony_pic_driver); 2999 if (result) { 3000 printk(KERN_ERR DRV_PFX 3001 "Unable to register SPIC driver."); 3002 goto out; 3003 } 3004 spic_drv_registered = 1; 3005 } 3006 3007 result = acpi_bus_register_driver(&sony_nc_driver); 3008 if (result) { 3009 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 3010 goto out_unregister_pic; 3011 } 3012 3013 return 0; 3014 3015 out_unregister_pic: 3016 if (spic_drv_registered) 3017 acpi_bus_unregister_driver(&sony_pic_driver); 3018 out: 3019 return result; 3020 } 3021 3022 static void __exit sony_laptop_exit(void) 3023 { 3024 acpi_bus_unregister_driver(&sony_nc_driver); 3025 if (spic_drv_registered) 3026 acpi_bus_unregister_driver(&sony_pic_driver); 3027 } 3028 3029 module_init(sony_laptop_init); 3030 module_exit(sony_laptop_exit); 3031