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