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 for (i = 0; i < device_enum->buffer.length; i++) { 1205 1206 dev_code = *(device_enum->buffer.pointer + i); 1207 if (dev_code == 0xff) 1208 break; 1209 1210 dprintk("Radio devices, looking at 0x%.2x\n", dev_code); 1211 1212 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI]) 1213 sony_nc_setup_rfkill(device, SONY_WIFI); 1214 1215 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1216 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1217 1218 if ((0xf0 & dev_code) == 0x20 && 1219 !sony_rfkill_devices[SONY_WWAN]) 1220 sony_nc_setup_rfkill(device, SONY_WWAN); 1221 1222 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1223 sony_nc_setup_rfkill(device, SONY_WIMAX); 1224 } 1225 1226 out_no_enum: 1227 kfree(buffer.pointer); 1228 return; 1229 } 1230 1231 static int sony_nc_add(struct acpi_device *device) 1232 { 1233 acpi_status status; 1234 int result = 0; 1235 acpi_handle handle; 1236 struct sony_nc_value *item; 1237 1238 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1239 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1240 1241 sony_nc_acpi_device = device; 1242 strcpy(acpi_device_class(device), "sony/hotkey"); 1243 1244 sony_nc_acpi_handle = device->handle; 1245 1246 /* read device status */ 1247 result = acpi_bus_get_status(device); 1248 /* bail IFF the above call was successful and the device is not present */ 1249 if (!result && !device->status.present) { 1250 dprintk("Device not present\n"); 1251 result = -ENODEV; 1252 goto outwalk; 1253 } 1254 1255 if (debug) { 1256 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1257 1, sony_walk_callback, NULL, NULL, NULL); 1258 if (ACPI_FAILURE(status)) { 1259 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1260 result = -ENODEV; 1261 goto outwalk; 1262 } 1263 } 1264 1265 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1266 &handle))) { 1267 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1268 dprintk("ECON Method failed\n"); 1269 } 1270 1271 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1272 &handle))) { 1273 dprintk("Doing SNC setup\n"); 1274 sony_nc_function_setup(device); 1275 sony_nc_rfkill_setup(device); 1276 } 1277 1278 /* setup input devices and helper fifo */ 1279 result = sony_laptop_setup_input(device); 1280 if (result) { 1281 printk(KERN_ERR DRV_PFX 1282 "Unable to create input devices.\n"); 1283 goto outwalk; 1284 } 1285 1286 if (acpi_video_backlight_support()) { 1287 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1288 "controlled by ACPI video driver\n"); 1289 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1290 &handle))) { 1291 sony_backlight_device = backlight_device_register("sony", NULL, 1292 NULL, 1293 &sony_backlight_ops); 1294 1295 if (IS_ERR(sony_backlight_device)) { 1296 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1297 sony_backlight_device = NULL; 1298 } else { 1299 sony_backlight_device->props.brightness = 1300 sony_backlight_get_brightness 1301 (sony_backlight_device); 1302 sony_backlight_device->props.max_brightness = 1303 SONY_MAX_BRIGHTNESS - 1; 1304 } 1305 1306 } 1307 1308 result = sony_pf_add(); 1309 if (result) 1310 goto outbacklight; 1311 1312 /* create sony_pf sysfs attributes related to the SNC device */ 1313 for (item = sony_nc_values; item->name; ++item) { 1314 1315 if (!debug && item->debug) 1316 continue; 1317 1318 /* find the available acpiget as described in the DSDT */ 1319 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1320 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1321 *item->acpiget, 1322 &handle))) { 1323 dprintk("Found %s getter: %s\n", 1324 item->name, *item->acpiget); 1325 item->devattr.attr.mode |= S_IRUGO; 1326 break; 1327 } 1328 } 1329 1330 /* find the available acpiset as described in the DSDT */ 1331 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1332 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1333 *item->acpiset, 1334 &handle))) { 1335 dprintk("Found %s setter: %s\n", 1336 item->name, *item->acpiset); 1337 item->devattr.attr.mode |= S_IWUSR; 1338 break; 1339 } 1340 } 1341 1342 if (item->devattr.attr.mode != 0) { 1343 result = 1344 device_create_file(&sony_pf_device->dev, 1345 &item->devattr); 1346 if (result) 1347 goto out_sysfs; 1348 } 1349 } 1350 1351 return 0; 1352 1353 out_sysfs: 1354 for (item = sony_nc_values; item->name; ++item) { 1355 device_remove_file(&sony_pf_device->dev, &item->devattr); 1356 } 1357 sony_pf_remove(); 1358 1359 outbacklight: 1360 if (sony_backlight_device) 1361 backlight_device_unregister(sony_backlight_device); 1362 1363 sony_laptop_remove_input(); 1364 1365 outwalk: 1366 sony_nc_rfkill_cleanup(); 1367 return result; 1368 } 1369 1370 static int sony_nc_remove(struct acpi_device *device, int type) 1371 { 1372 struct sony_nc_value *item; 1373 1374 if (sony_backlight_device) 1375 backlight_device_unregister(sony_backlight_device); 1376 1377 sony_nc_acpi_device = NULL; 1378 1379 for (item = sony_nc_values; item->name; ++item) { 1380 device_remove_file(&sony_pf_device->dev, &item->devattr); 1381 } 1382 1383 sony_pf_remove(); 1384 sony_laptop_remove_input(); 1385 sony_nc_rfkill_cleanup(); 1386 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1387 1388 return 0; 1389 } 1390 1391 static const struct acpi_device_id sony_device_ids[] = { 1392 {SONY_NC_HID, 0}, 1393 {SONY_PIC_HID, 0}, 1394 {"", 0}, 1395 }; 1396 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1397 1398 static const struct acpi_device_id sony_nc_device_ids[] = { 1399 {SONY_NC_HID, 0}, 1400 {"", 0}, 1401 }; 1402 1403 static struct acpi_driver sony_nc_driver = { 1404 .name = SONY_NC_DRIVER_NAME, 1405 .class = SONY_NC_CLASS, 1406 .ids = sony_nc_device_ids, 1407 .owner = THIS_MODULE, 1408 .ops = { 1409 .add = sony_nc_add, 1410 .remove = sony_nc_remove, 1411 .resume = sony_nc_resume, 1412 .notify = sony_nc_notify, 1413 }, 1414 }; 1415 1416 /*********** SPIC (SNY6001) Device ***********/ 1417 1418 #define SONYPI_DEVICE_TYPE1 0x00000001 1419 #define SONYPI_DEVICE_TYPE2 0x00000002 1420 #define SONYPI_DEVICE_TYPE3 0x00000004 1421 #define SONYPI_DEVICE_TYPE4 0x00000008 1422 1423 #define SONYPI_TYPE1_OFFSET 0x04 1424 #define SONYPI_TYPE2_OFFSET 0x12 1425 #define SONYPI_TYPE3_OFFSET 0x12 1426 1427 struct sony_pic_ioport { 1428 struct acpi_resource_io io1; 1429 struct acpi_resource_io io2; 1430 struct list_head list; 1431 }; 1432 1433 struct sony_pic_irq { 1434 struct acpi_resource_irq irq; 1435 struct list_head list; 1436 }; 1437 1438 struct sonypi_eventtypes { 1439 u8 data; 1440 unsigned long mask; 1441 struct sonypi_event *events; 1442 }; 1443 1444 struct sony_pic_dev { 1445 struct acpi_device *acpi_dev; 1446 struct sony_pic_irq *cur_irq; 1447 struct sony_pic_ioport *cur_ioport; 1448 struct list_head interrupts; 1449 struct list_head ioports; 1450 struct mutex lock; 1451 struct sonypi_eventtypes *event_types; 1452 int (*handle_irq)(const u8, const u8); 1453 int model; 1454 u16 evport_offset; 1455 u8 camera_power; 1456 u8 bluetooth_power; 1457 u8 wwan_power; 1458 }; 1459 1460 static struct sony_pic_dev spic_dev = { 1461 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 1462 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 1463 }; 1464 1465 static int spic_drv_registered; 1466 1467 /* Event masks */ 1468 #define SONYPI_JOGGER_MASK 0x00000001 1469 #define SONYPI_CAPTURE_MASK 0x00000002 1470 #define SONYPI_FNKEY_MASK 0x00000004 1471 #define SONYPI_BLUETOOTH_MASK 0x00000008 1472 #define SONYPI_PKEY_MASK 0x00000010 1473 #define SONYPI_BACK_MASK 0x00000020 1474 #define SONYPI_HELP_MASK 0x00000040 1475 #define SONYPI_LID_MASK 0x00000080 1476 #define SONYPI_ZOOM_MASK 0x00000100 1477 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1478 #define SONYPI_MEYE_MASK 0x00000400 1479 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1480 #define SONYPI_BATTERY_MASK 0x00001000 1481 #define SONYPI_WIRELESS_MASK 0x00002000 1482 1483 struct sonypi_event { 1484 u8 data; 1485 u8 event; 1486 }; 1487 1488 /* The set of possible button release events */ 1489 static struct sonypi_event sonypi_releaseev[] = { 1490 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1491 { 0, 0 } 1492 }; 1493 1494 /* The set of possible jogger events */ 1495 static struct sonypi_event sonypi_joggerev[] = { 1496 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1497 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1498 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1499 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1500 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1501 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1502 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1503 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1504 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1505 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1506 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1507 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1508 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1509 { 0, 0 } 1510 }; 1511 1512 /* The set of possible capture button events */ 1513 static struct sonypi_event sonypi_captureev[] = { 1514 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1515 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1516 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1517 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1518 { 0, 0 } 1519 }; 1520 1521 /* The set of possible fnkeys events */ 1522 static struct sonypi_event sonypi_fnkeyev[] = { 1523 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1524 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1525 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1526 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1527 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1528 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1529 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1530 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1531 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1532 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1533 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1534 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1535 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1536 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1537 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1538 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1539 { 0x31, SONYPI_EVENT_FNKEY_D }, 1540 { 0x32, SONYPI_EVENT_FNKEY_E }, 1541 { 0x33, SONYPI_EVENT_FNKEY_F }, 1542 { 0x34, SONYPI_EVENT_FNKEY_S }, 1543 { 0x35, SONYPI_EVENT_FNKEY_B }, 1544 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1545 { 0, 0 } 1546 }; 1547 1548 /* The set of possible program key events */ 1549 static struct sonypi_event sonypi_pkeyev[] = { 1550 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1551 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1552 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1553 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1554 { 0, 0 } 1555 }; 1556 1557 /* The set of possible bluetooth events */ 1558 static struct sonypi_event sonypi_blueev[] = { 1559 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1560 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1561 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1562 { 0, 0 } 1563 }; 1564 1565 /* The set of possible wireless events */ 1566 static struct sonypi_event sonypi_wlessev[] = { 1567 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1568 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1569 { 0, 0 } 1570 }; 1571 1572 /* The set of possible back button events */ 1573 static struct sonypi_event sonypi_backev[] = { 1574 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1575 { 0, 0 } 1576 }; 1577 1578 /* The set of possible help button events */ 1579 static struct sonypi_event sonypi_helpev[] = { 1580 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1581 { 0, 0 } 1582 }; 1583 1584 1585 /* The set of possible lid events */ 1586 static struct sonypi_event sonypi_lidev[] = { 1587 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1588 { 0x50, SONYPI_EVENT_LID_OPENED }, 1589 { 0, 0 } 1590 }; 1591 1592 /* The set of possible zoom events */ 1593 static struct sonypi_event sonypi_zoomev[] = { 1594 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1595 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1596 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1597 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1598 { 0, 0 } 1599 }; 1600 1601 /* The set of possible thumbphrase events */ 1602 static struct sonypi_event sonypi_thumbphraseev[] = { 1603 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1604 { 0, 0 } 1605 }; 1606 1607 /* The set of possible motioneye camera events */ 1608 static struct sonypi_event sonypi_meyeev[] = { 1609 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1610 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1611 { 0, 0 } 1612 }; 1613 1614 /* The set of possible memorystick events */ 1615 static struct sonypi_event sonypi_memorystickev[] = { 1616 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1617 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1618 { 0, 0 } 1619 }; 1620 1621 /* The set of possible battery events */ 1622 static struct sonypi_event sonypi_batteryev[] = { 1623 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1624 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1625 { 0, 0 } 1626 }; 1627 1628 /* The set of possible volume events */ 1629 static struct sonypi_event sonypi_volumeev[] = { 1630 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1631 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1632 { 0, 0 } 1633 }; 1634 1635 /* The set of possible brightness events */ 1636 static struct sonypi_event sonypi_brightnessev[] = { 1637 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1638 { 0, 0 } 1639 }; 1640 1641 static struct sonypi_eventtypes type1_events[] = { 1642 { 0, 0xffffffff, sonypi_releaseev }, 1643 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1644 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1645 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1646 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1647 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1648 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1649 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1650 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1651 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1652 { 0 }, 1653 }; 1654 static struct sonypi_eventtypes type2_events[] = { 1655 { 0, 0xffffffff, sonypi_releaseev }, 1656 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1657 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1658 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1659 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1660 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1661 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1662 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1663 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1664 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1665 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1666 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1667 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1668 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1669 { 0 }, 1670 }; 1671 static struct sonypi_eventtypes type3_events[] = { 1672 { 0, 0xffffffff, sonypi_releaseev }, 1673 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1674 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1675 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1676 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1677 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1678 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1679 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1680 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1681 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1682 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1683 { 0 }, 1684 }; 1685 1686 /* low level spic calls */ 1687 #define ITERATIONS_LONG 10000 1688 #define ITERATIONS_SHORT 10 1689 #define wait_on_command(command, iterations) { \ 1690 unsigned int n = iterations; \ 1691 while (--n && (command)) \ 1692 udelay(1); \ 1693 if (!n) \ 1694 dprintk("command failed at %s : %s (line %d)\n", \ 1695 __FILE__, __func__, __LINE__); \ 1696 } 1697 1698 static u8 sony_pic_call1(u8 dev) 1699 { 1700 u8 v1, v2; 1701 1702 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1703 ITERATIONS_LONG); 1704 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1705 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1706 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1707 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1708 return v2; 1709 } 1710 1711 static u8 sony_pic_call2(u8 dev, u8 fn) 1712 { 1713 u8 v1; 1714 1715 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1716 ITERATIONS_LONG); 1717 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1718 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1719 ITERATIONS_LONG); 1720 outb(fn, spic_dev.cur_ioport->io1.minimum); 1721 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1722 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1723 return v1; 1724 } 1725 1726 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1727 { 1728 u8 v1; 1729 1730 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1731 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1732 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1733 outb(fn, spic_dev.cur_ioport->io1.minimum); 1734 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1735 outb(v, spic_dev.cur_ioport->io1.minimum); 1736 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1737 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1738 dev, fn, v, v1); 1739 return v1; 1740 } 1741 1742 /* 1743 * minidrivers for SPIC models 1744 */ 1745 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1746 { 1747 /* 1748 * 0x31 could mean we have to take some extra action and wait for 1749 * the next irq for some Type3 models, it will generate a new 1750 * irq and we can read new data from the device: 1751 * - 0x5c and 0x5f requires 0xA0 1752 * - 0x61 requires 0xB3 1753 */ 1754 if (data_mask == 0x31) { 1755 if (ev == 0x5c || ev == 0x5f) 1756 sony_pic_call1(0xA0); 1757 else if (ev == 0x61) 1758 sony_pic_call1(0xB3); 1759 return 0; 1760 } 1761 return 1; 1762 } 1763 1764 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 1765 { 1766 struct pci_dev *pcidev; 1767 1768 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1769 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 1770 if (pcidev) { 1771 dev->model = SONYPI_DEVICE_TYPE1; 1772 dev->evport_offset = SONYPI_TYPE1_OFFSET; 1773 dev->event_types = type1_events; 1774 goto out; 1775 } 1776 1777 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1778 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1779 if (pcidev) { 1780 dev->model = SONYPI_DEVICE_TYPE2; 1781 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1782 dev->event_types = type2_events; 1783 goto out; 1784 } 1785 1786 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1787 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1788 if (pcidev) { 1789 dev->model = SONYPI_DEVICE_TYPE3; 1790 dev->handle_irq = type3_handle_irq; 1791 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1792 dev->event_types = type3_events; 1793 goto out; 1794 } 1795 1796 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1797 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1798 if (pcidev) { 1799 dev->model = SONYPI_DEVICE_TYPE3; 1800 dev->handle_irq = type3_handle_irq; 1801 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1802 dev->event_types = type3_events; 1803 goto out; 1804 } 1805 1806 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1807 PCI_DEVICE_ID_INTEL_ICH9_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 /* default */ 1817 dev->model = SONYPI_DEVICE_TYPE2; 1818 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1819 dev->event_types = type2_events; 1820 1821 out: 1822 if (pcidev) 1823 pci_dev_put(pcidev); 1824 1825 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1826 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 1827 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1828 } 1829 1830 /* camera tests and poweron/poweroff */ 1831 #define SONYPI_CAMERA_PICTURE 5 1832 #define SONYPI_CAMERA_CONTROL 0x10 1833 1834 #define SONYPI_CAMERA_BRIGHTNESS 0 1835 #define SONYPI_CAMERA_CONTRAST 1 1836 #define SONYPI_CAMERA_HUE 2 1837 #define SONYPI_CAMERA_COLOR 3 1838 #define SONYPI_CAMERA_SHARPNESS 4 1839 1840 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1841 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1842 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1843 #define SONYPI_CAMERA_MUTE_MASK 0x40 1844 1845 /* the rest don't need a loop until not 0xff */ 1846 #define SONYPI_CAMERA_AGC 6 1847 #define SONYPI_CAMERA_AGC_MASK 0x30 1848 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1849 1850 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1851 #define SONYPI_CAMERA_CONTROL 0x10 1852 1853 #define SONYPI_CAMERA_STATUS 7 1854 #define SONYPI_CAMERA_STATUS_READY 0x2 1855 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1856 1857 #define SONYPI_DIRECTION_BACKWARDS 0x4 1858 1859 #define SONYPI_CAMERA_REVISION 8 1860 #define SONYPI_CAMERA_ROMVERSION 9 1861 1862 static int __sony_pic_camera_ready(void) 1863 { 1864 u8 v; 1865 1866 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1867 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1868 } 1869 1870 static int __sony_pic_camera_off(void) 1871 { 1872 if (!camera) { 1873 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1874 return -ENODEV; 1875 } 1876 1877 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1878 SONYPI_CAMERA_MUTE_MASK), 1879 ITERATIONS_SHORT); 1880 1881 if (spic_dev.camera_power) { 1882 sony_pic_call2(0x91, 0); 1883 spic_dev.camera_power = 0; 1884 } 1885 return 0; 1886 } 1887 1888 static int __sony_pic_camera_on(void) 1889 { 1890 int i, j, x; 1891 1892 if (!camera) { 1893 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1894 return -ENODEV; 1895 } 1896 1897 if (spic_dev.camera_power) 1898 return 0; 1899 1900 for (j = 5; j > 0; j--) { 1901 1902 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1903 msleep(10); 1904 sony_pic_call1(0x93); 1905 1906 for (i = 400; i > 0; i--) { 1907 if (__sony_pic_camera_ready()) 1908 break; 1909 msleep(10); 1910 } 1911 if (i) 1912 break; 1913 } 1914 1915 if (j == 0) { 1916 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1917 return -ENODEV; 1918 } 1919 1920 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1921 0x5a), 1922 ITERATIONS_SHORT); 1923 1924 spic_dev.camera_power = 1; 1925 return 0; 1926 } 1927 1928 /* External camera command (exported to the motion eye v4l driver) */ 1929 int sony_pic_camera_command(int command, u8 value) 1930 { 1931 if (!camera) 1932 return -EIO; 1933 1934 mutex_lock(&spic_dev.lock); 1935 1936 switch (command) { 1937 case SONY_PIC_COMMAND_SETCAMERA: 1938 if (value) 1939 __sony_pic_camera_on(); 1940 else 1941 __sony_pic_camera_off(); 1942 break; 1943 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1944 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1945 ITERATIONS_SHORT); 1946 break; 1947 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1948 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1949 ITERATIONS_SHORT); 1950 break; 1951 case SONY_PIC_COMMAND_SETCAMERAHUE: 1952 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1953 ITERATIONS_SHORT); 1954 break; 1955 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1956 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1957 ITERATIONS_SHORT); 1958 break; 1959 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1960 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1961 ITERATIONS_SHORT); 1962 break; 1963 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1964 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1965 ITERATIONS_SHORT); 1966 break; 1967 case SONY_PIC_COMMAND_SETCAMERAAGC: 1968 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1969 ITERATIONS_SHORT); 1970 break; 1971 default: 1972 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1973 command); 1974 break; 1975 } 1976 mutex_unlock(&spic_dev.lock); 1977 return 0; 1978 } 1979 EXPORT_SYMBOL(sony_pic_camera_command); 1980 1981 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 1982 static void __sony_pic_set_wwanpower(u8 state) 1983 { 1984 state = !!state; 1985 if (spic_dev.wwan_power == state) 1986 return; 1987 sony_pic_call2(0xB0, state); 1988 sony_pic_call1(0x82); 1989 spic_dev.wwan_power = state; 1990 } 1991 1992 static ssize_t sony_pic_wwanpower_store(struct device *dev, 1993 struct device_attribute *attr, 1994 const char *buffer, size_t count) 1995 { 1996 unsigned long value; 1997 if (count > 31) 1998 return -EINVAL; 1999 2000 value = simple_strtoul(buffer, NULL, 10); 2001 mutex_lock(&spic_dev.lock); 2002 __sony_pic_set_wwanpower(value); 2003 mutex_unlock(&spic_dev.lock); 2004 2005 return count; 2006 } 2007 2008 static ssize_t sony_pic_wwanpower_show(struct device *dev, 2009 struct device_attribute *attr, char *buffer) 2010 { 2011 ssize_t count; 2012 mutex_lock(&spic_dev.lock); 2013 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 2014 mutex_unlock(&spic_dev.lock); 2015 return count; 2016 } 2017 2018 /* bluetooth subsystem power state */ 2019 static void __sony_pic_set_bluetoothpower(u8 state) 2020 { 2021 state = !!state; 2022 if (spic_dev.bluetooth_power == state) 2023 return; 2024 sony_pic_call2(0x96, state); 2025 sony_pic_call1(0x82); 2026 spic_dev.bluetooth_power = state; 2027 } 2028 2029 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 2030 struct device_attribute *attr, 2031 const char *buffer, size_t count) 2032 { 2033 unsigned long value; 2034 if (count > 31) 2035 return -EINVAL; 2036 2037 value = simple_strtoul(buffer, NULL, 10); 2038 mutex_lock(&spic_dev.lock); 2039 __sony_pic_set_bluetoothpower(value); 2040 mutex_unlock(&spic_dev.lock); 2041 2042 return count; 2043 } 2044 2045 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 2046 struct device_attribute *attr, char *buffer) 2047 { 2048 ssize_t count = 0; 2049 mutex_lock(&spic_dev.lock); 2050 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2051 mutex_unlock(&spic_dev.lock); 2052 return count; 2053 } 2054 2055 /* fan speed */ 2056 /* FAN0 information (reverse engineered from ACPI tables) */ 2057 #define SONY_PIC_FAN0_STATUS 0x93 2058 static int sony_pic_set_fanspeed(unsigned long value) 2059 { 2060 return ec_write(SONY_PIC_FAN0_STATUS, value); 2061 } 2062 2063 static int sony_pic_get_fanspeed(u8 *value) 2064 { 2065 return ec_read(SONY_PIC_FAN0_STATUS, value); 2066 } 2067 2068 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2069 struct device_attribute *attr, 2070 const char *buffer, size_t count) 2071 { 2072 unsigned long value; 2073 if (count > 31) 2074 return -EINVAL; 2075 2076 value = simple_strtoul(buffer, NULL, 10); 2077 if (sony_pic_set_fanspeed(value)) 2078 return -EIO; 2079 2080 return count; 2081 } 2082 2083 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2084 struct device_attribute *attr, char *buffer) 2085 { 2086 u8 value = 0; 2087 if (sony_pic_get_fanspeed(&value)) 2088 return -EIO; 2089 2090 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2091 } 2092 2093 #define SPIC_ATTR(_name, _mode) \ 2094 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2095 _mode, sony_pic_## _name ##_show, \ 2096 sony_pic_## _name ##_store) 2097 2098 static SPIC_ATTR(bluetoothpower, 0644); 2099 static SPIC_ATTR(wwanpower, 0644); 2100 static SPIC_ATTR(fanspeed, 0644); 2101 2102 static struct attribute *spic_attributes[] = { 2103 &spic_attr_bluetoothpower.attr, 2104 &spic_attr_wwanpower.attr, 2105 &spic_attr_fanspeed.attr, 2106 NULL 2107 }; 2108 2109 static struct attribute_group spic_attribute_group = { 2110 .attrs = spic_attributes 2111 }; 2112 2113 /******** SONYPI compatibility **********/ 2114 #ifdef CONFIG_SONYPI_COMPAT 2115 2116 /* battery / brightness / temperature addresses */ 2117 #define SONYPI_BAT_FLAGS 0x81 2118 #define SONYPI_LCD_LIGHT 0x96 2119 #define SONYPI_BAT1_PCTRM 0xa0 2120 #define SONYPI_BAT1_LEFT 0xa2 2121 #define SONYPI_BAT1_MAXRT 0xa4 2122 #define SONYPI_BAT2_PCTRM 0xa8 2123 #define SONYPI_BAT2_LEFT 0xaa 2124 #define SONYPI_BAT2_MAXRT 0xac 2125 #define SONYPI_BAT1_MAXTK 0xb0 2126 #define SONYPI_BAT1_FULL 0xb2 2127 #define SONYPI_BAT2_MAXTK 0xb8 2128 #define SONYPI_BAT2_FULL 0xba 2129 #define SONYPI_TEMP_STATUS 0xC1 2130 2131 struct sonypi_compat_s { 2132 struct fasync_struct *fifo_async; 2133 struct kfifo fifo; 2134 spinlock_t fifo_lock; 2135 wait_queue_head_t fifo_proc_list; 2136 atomic_t open_count; 2137 }; 2138 static struct sonypi_compat_s sonypi_compat = { 2139 .open_count = ATOMIC_INIT(0), 2140 }; 2141 2142 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2143 { 2144 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2145 } 2146 2147 static int sonypi_misc_release(struct inode *inode, struct file *file) 2148 { 2149 atomic_dec(&sonypi_compat.open_count); 2150 return 0; 2151 } 2152 2153 static int sonypi_misc_open(struct inode *inode, struct file *file) 2154 { 2155 /* Flush input queue on first open */ 2156 unsigned long flags; 2157 2158 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 2159 2160 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2161 kfifo_reset(&sonypi_compat.fifo); 2162 2163 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 2164 2165 return 0; 2166 } 2167 2168 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2169 size_t count, loff_t *pos) 2170 { 2171 ssize_t ret; 2172 unsigned char c; 2173 2174 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 2175 (file->f_flags & O_NONBLOCK)) 2176 return -EAGAIN; 2177 2178 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2179 kfifo_len(&sonypi_compat.fifo) != 0); 2180 if (ret) 2181 return ret; 2182 2183 while (ret < count && 2184 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 2185 &sonypi_compat.fifo_lock) == sizeof(c))) { 2186 if (put_user(c, buf++)) 2187 return -EFAULT; 2188 ret++; 2189 } 2190 2191 if (ret > 0) { 2192 struct inode *inode = file->f_path.dentry->d_inode; 2193 inode->i_atime = current_fs_time(inode->i_sb); 2194 } 2195 2196 return ret; 2197 } 2198 2199 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2200 { 2201 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2202 if (kfifo_len(&sonypi_compat.fifo)) 2203 return POLLIN | POLLRDNORM; 2204 return 0; 2205 } 2206 2207 static int ec_read16(u8 addr, u16 *value) 2208 { 2209 u8 val_lb, val_hb; 2210 if (ec_read(addr, &val_lb)) 2211 return -1; 2212 if (ec_read(addr + 1, &val_hb)) 2213 return -1; 2214 *value = val_lb | (val_hb << 8); 2215 return 0; 2216 } 2217 2218 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2219 unsigned long arg) 2220 { 2221 int ret = 0; 2222 void __user *argp = (void __user *)arg; 2223 u8 val8; 2224 u16 val16; 2225 int value; 2226 2227 mutex_lock(&spic_dev.lock); 2228 switch (cmd) { 2229 case SONYPI_IOCGBRT: 2230 if (sony_backlight_device == NULL) { 2231 ret = -EIO; 2232 break; 2233 } 2234 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2235 ret = -EIO; 2236 break; 2237 } 2238 val8 = ((value & 0xff) - 1) << 5; 2239 if (copy_to_user(argp, &val8, sizeof(val8))) 2240 ret = -EFAULT; 2241 break; 2242 case SONYPI_IOCSBRT: 2243 if (sony_backlight_device == NULL) { 2244 ret = -EIO; 2245 break; 2246 } 2247 if (copy_from_user(&val8, argp, sizeof(val8))) { 2248 ret = -EFAULT; 2249 break; 2250 } 2251 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2252 (val8 >> 5) + 1, NULL)) { 2253 ret = -EIO; 2254 break; 2255 } 2256 /* sync the backlight device status */ 2257 sony_backlight_device->props.brightness = 2258 sony_backlight_get_brightness(sony_backlight_device); 2259 break; 2260 case SONYPI_IOCGBAT1CAP: 2261 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 2262 ret = -EIO; 2263 break; 2264 } 2265 if (copy_to_user(argp, &val16, sizeof(val16))) 2266 ret = -EFAULT; 2267 break; 2268 case SONYPI_IOCGBAT1REM: 2269 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 2270 ret = -EIO; 2271 break; 2272 } 2273 if (copy_to_user(argp, &val16, sizeof(val16))) 2274 ret = -EFAULT; 2275 break; 2276 case SONYPI_IOCGBAT2CAP: 2277 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2278 ret = -EIO; 2279 break; 2280 } 2281 if (copy_to_user(argp, &val16, sizeof(val16))) 2282 ret = -EFAULT; 2283 break; 2284 case SONYPI_IOCGBAT2REM: 2285 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2286 ret = -EIO; 2287 break; 2288 } 2289 if (copy_to_user(argp, &val16, sizeof(val16))) 2290 ret = -EFAULT; 2291 break; 2292 case SONYPI_IOCGBATFLAGS: 2293 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2294 ret = -EIO; 2295 break; 2296 } 2297 val8 &= 0x07; 2298 if (copy_to_user(argp, &val8, sizeof(val8))) 2299 ret = -EFAULT; 2300 break; 2301 case SONYPI_IOCGBLUE: 2302 val8 = spic_dev.bluetooth_power; 2303 if (copy_to_user(argp, &val8, sizeof(val8))) 2304 ret = -EFAULT; 2305 break; 2306 case SONYPI_IOCSBLUE: 2307 if (copy_from_user(&val8, argp, sizeof(val8))) { 2308 ret = -EFAULT; 2309 break; 2310 } 2311 __sony_pic_set_bluetoothpower(val8); 2312 break; 2313 /* FAN Controls */ 2314 case SONYPI_IOCGFAN: 2315 if (sony_pic_get_fanspeed(&val8)) { 2316 ret = -EIO; 2317 break; 2318 } 2319 if (copy_to_user(argp, &val8, sizeof(val8))) 2320 ret = -EFAULT; 2321 break; 2322 case SONYPI_IOCSFAN: 2323 if (copy_from_user(&val8, argp, sizeof(val8))) { 2324 ret = -EFAULT; 2325 break; 2326 } 2327 if (sony_pic_set_fanspeed(val8)) 2328 ret = -EIO; 2329 break; 2330 /* GET Temperature (useful under APM) */ 2331 case SONYPI_IOCGTEMP: 2332 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2333 ret = -EIO; 2334 break; 2335 } 2336 if (copy_to_user(argp, &val8, sizeof(val8))) 2337 ret = -EFAULT; 2338 break; 2339 default: 2340 ret = -EINVAL; 2341 } 2342 mutex_unlock(&spic_dev.lock); 2343 return ret; 2344 } 2345 2346 static const struct file_operations sonypi_misc_fops = { 2347 .owner = THIS_MODULE, 2348 .read = sonypi_misc_read, 2349 .poll = sonypi_misc_poll, 2350 .open = sonypi_misc_open, 2351 .release = sonypi_misc_release, 2352 .fasync = sonypi_misc_fasync, 2353 .unlocked_ioctl = sonypi_misc_ioctl, 2354 }; 2355 2356 static struct miscdevice sonypi_misc_device = { 2357 .minor = MISC_DYNAMIC_MINOR, 2358 .name = "sonypi", 2359 .fops = &sonypi_misc_fops, 2360 }; 2361 2362 static void sonypi_compat_report_event(u8 event) 2363 { 2364 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 2365 sizeof(event), &sonypi_compat.fifo_lock); 2366 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2367 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2368 } 2369 2370 static int sonypi_compat_init(void) 2371 { 2372 int error; 2373 2374 spin_lock_init(&sonypi_compat.fifo_lock); 2375 error = 2376 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 2377 if (error) { 2378 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2379 return error; 2380 } 2381 2382 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2383 2384 if (minor != -1) 2385 sonypi_misc_device.minor = minor; 2386 error = misc_register(&sonypi_misc_device); 2387 if (error) { 2388 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2389 goto err_free_kfifo; 2390 } 2391 if (minor == -1) 2392 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2393 sonypi_misc_device.minor); 2394 2395 return 0; 2396 2397 err_free_kfifo: 2398 kfifo_free(&sonypi_compat.fifo); 2399 return error; 2400 } 2401 2402 static void sonypi_compat_exit(void) 2403 { 2404 misc_deregister(&sonypi_misc_device); 2405 kfifo_free(&sonypi_compat.fifo); 2406 } 2407 #else 2408 static int sonypi_compat_init(void) { return 0; } 2409 static void sonypi_compat_exit(void) { } 2410 static void sonypi_compat_report_event(u8 event) { } 2411 #endif /* CONFIG_SONYPI_COMPAT */ 2412 2413 /* 2414 * ACPI callbacks 2415 */ 2416 static acpi_status 2417 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2418 { 2419 u32 i; 2420 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2421 2422 switch (resource->type) { 2423 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2424 { 2425 /* start IO enumeration */ 2426 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2427 if (!ioport) 2428 return AE_ERROR; 2429 2430 list_add(&ioport->list, &dev->ioports); 2431 return AE_OK; 2432 } 2433 2434 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2435 /* end IO enumeration */ 2436 return AE_OK; 2437 2438 case ACPI_RESOURCE_TYPE_IRQ: 2439 { 2440 struct acpi_resource_irq *p = &resource->data.irq; 2441 struct sony_pic_irq *interrupt = NULL; 2442 if (!p || !p->interrupt_count) { 2443 /* 2444 * IRQ descriptors may have no IRQ# bits set, 2445 * particularly those those w/ _STA disabled 2446 */ 2447 dprintk("Blank IRQ resource\n"); 2448 return AE_OK; 2449 } 2450 for (i = 0; i < p->interrupt_count; i++) { 2451 if (!p->interrupts[i]) { 2452 printk(KERN_WARNING DRV_PFX 2453 "Invalid IRQ %d\n", 2454 p->interrupts[i]); 2455 continue; 2456 } 2457 interrupt = kzalloc(sizeof(*interrupt), 2458 GFP_KERNEL); 2459 if (!interrupt) 2460 return AE_ERROR; 2461 2462 list_add(&interrupt->list, &dev->interrupts); 2463 interrupt->irq.triggering = p->triggering; 2464 interrupt->irq.polarity = p->polarity; 2465 interrupt->irq.sharable = p->sharable; 2466 interrupt->irq.interrupt_count = 1; 2467 interrupt->irq.interrupts[0] = p->interrupts[i]; 2468 } 2469 return AE_OK; 2470 } 2471 case ACPI_RESOURCE_TYPE_IO: 2472 { 2473 struct acpi_resource_io *io = &resource->data.io; 2474 struct sony_pic_ioport *ioport = 2475 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2476 if (!io) { 2477 dprintk("Blank IO resource\n"); 2478 return AE_OK; 2479 } 2480 2481 if (!ioport->io1.minimum) { 2482 memcpy(&ioport->io1, io, sizeof(*io)); 2483 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2484 ioport->io1.address_length); 2485 } 2486 else if (!ioport->io2.minimum) { 2487 memcpy(&ioport->io2, io, sizeof(*io)); 2488 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2489 ioport->io2.address_length); 2490 } 2491 else { 2492 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2493 return AE_ERROR; 2494 } 2495 return AE_OK; 2496 } 2497 default: 2498 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2499 resource->type); 2500 2501 case ACPI_RESOURCE_TYPE_END_TAG: 2502 return AE_OK; 2503 } 2504 return AE_CTRL_TERMINATE; 2505 } 2506 2507 static int sony_pic_possible_resources(struct acpi_device *device) 2508 { 2509 int result = 0; 2510 acpi_status status = AE_OK; 2511 2512 if (!device) 2513 return -EINVAL; 2514 2515 /* get device status */ 2516 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2517 dprintk("Evaluating _STA\n"); 2518 result = acpi_bus_get_status(device); 2519 if (result) { 2520 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2521 goto end; 2522 } 2523 2524 if (!device->status.enabled) 2525 dprintk("Device disabled\n"); 2526 else 2527 dprintk("Device enabled\n"); 2528 2529 /* 2530 * Query and parse 'method' 2531 */ 2532 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2533 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2534 sony_pic_read_possible_resource, &spic_dev); 2535 if (ACPI_FAILURE(status)) { 2536 printk(KERN_WARNING DRV_PFX 2537 "Failure evaluating %s\n", 2538 METHOD_NAME__PRS); 2539 result = -ENODEV; 2540 } 2541 end: 2542 return result; 2543 } 2544 2545 /* 2546 * Disable the spic device by calling its _DIS method 2547 */ 2548 static int sony_pic_disable(struct acpi_device *device) 2549 { 2550 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2551 NULL); 2552 2553 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2554 return -ENXIO; 2555 2556 dprintk("Device disabled\n"); 2557 return 0; 2558 } 2559 2560 2561 /* 2562 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2563 * 2564 * Call _SRS to set current resources 2565 */ 2566 static int sony_pic_enable(struct acpi_device *device, 2567 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2568 { 2569 acpi_status status; 2570 int result = 0; 2571 /* Type 1 resource layout is: 2572 * IO 2573 * IO 2574 * IRQNoFlags 2575 * End 2576 * 2577 * Type 2 and 3 resource layout is: 2578 * IO 2579 * IRQNoFlags 2580 * End 2581 */ 2582 struct { 2583 struct acpi_resource res1; 2584 struct acpi_resource res2; 2585 struct acpi_resource res3; 2586 struct acpi_resource res4; 2587 } *resource; 2588 struct acpi_buffer buffer = { 0, NULL }; 2589 2590 if (!ioport || !irq) 2591 return -EINVAL; 2592 2593 /* init acpi_buffer */ 2594 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2595 if (!resource) 2596 return -ENOMEM; 2597 2598 buffer.length = sizeof(*resource) + 1; 2599 buffer.pointer = resource; 2600 2601 /* setup Type 1 resources */ 2602 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 2603 2604 /* setup io resources */ 2605 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2606 resource->res1.length = sizeof(struct acpi_resource); 2607 memcpy(&resource->res1.data.io, &ioport->io1, 2608 sizeof(struct acpi_resource_io)); 2609 2610 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2611 resource->res2.length = sizeof(struct acpi_resource); 2612 memcpy(&resource->res2.data.io, &ioport->io2, 2613 sizeof(struct acpi_resource_io)); 2614 2615 /* setup irq resource */ 2616 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2617 resource->res3.length = sizeof(struct acpi_resource); 2618 memcpy(&resource->res3.data.irq, &irq->irq, 2619 sizeof(struct acpi_resource_irq)); 2620 /* we requested a shared irq */ 2621 resource->res3.data.irq.sharable = ACPI_SHARED; 2622 2623 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2624 2625 } 2626 /* setup Type 2/3 resources */ 2627 else { 2628 /* setup io resource */ 2629 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2630 resource->res1.length = sizeof(struct acpi_resource); 2631 memcpy(&resource->res1.data.io, &ioport->io1, 2632 sizeof(struct acpi_resource_io)); 2633 2634 /* setup irq resource */ 2635 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2636 resource->res2.length = sizeof(struct acpi_resource); 2637 memcpy(&resource->res2.data.irq, &irq->irq, 2638 sizeof(struct acpi_resource_irq)); 2639 /* we requested a shared irq */ 2640 resource->res2.data.irq.sharable = ACPI_SHARED; 2641 2642 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2643 } 2644 2645 /* Attempt to set the resource */ 2646 dprintk("Evaluating _SRS\n"); 2647 status = acpi_set_current_resources(device->handle, &buffer); 2648 2649 /* check for total failure */ 2650 if (ACPI_FAILURE(status)) { 2651 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2652 result = -ENODEV; 2653 goto end; 2654 } 2655 2656 /* Necessary device initializations calls (from sonypi) */ 2657 sony_pic_call1(0x82); 2658 sony_pic_call2(0x81, 0xff); 2659 sony_pic_call1(compat ? 0x92 : 0x82); 2660 2661 end: 2662 kfree(resource); 2663 return result; 2664 } 2665 2666 /***************** 2667 * 2668 * ISR: some event is available 2669 * 2670 *****************/ 2671 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2672 { 2673 int i, j; 2674 u8 ev = 0; 2675 u8 data_mask = 0; 2676 u8 device_event = 0; 2677 2678 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2679 2680 ev = inb_p(dev->cur_ioport->io1.minimum); 2681 if (dev->cur_ioport->io2.minimum) 2682 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2683 else 2684 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2685 dev->evport_offset); 2686 2687 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2688 ev, data_mask, dev->cur_ioport->io1.minimum, 2689 dev->evport_offset); 2690 2691 if (ev == 0x00 || ev == 0xff) 2692 return IRQ_HANDLED; 2693 2694 for (i = 0; dev->event_types[i].mask; i++) { 2695 2696 if ((data_mask & dev->event_types[i].data) != 2697 dev->event_types[i].data) 2698 continue; 2699 2700 if (!(mask & dev->event_types[i].mask)) 2701 continue; 2702 2703 for (j = 0; dev->event_types[i].events[j].event; j++) { 2704 if (ev == dev->event_types[i].events[j].data) { 2705 device_event = 2706 dev->event_types[i].events[j].event; 2707 goto found; 2708 } 2709 } 2710 } 2711 /* Still not able to decode the event try to pass 2712 * it over to the minidriver 2713 */ 2714 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 2715 return IRQ_HANDLED; 2716 2717 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2718 ev, data_mask, dev->cur_ioport->io1.minimum, 2719 dev->evport_offset); 2720 return IRQ_HANDLED; 2721 2722 found: 2723 sony_laptop_report_input_event(device_event); 2724 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2725 sonypi_compat_report_event(device_event); 2726 2727 return IRQ_HANDLED; 2728 } 2729 2730 /***************** 2731 * 2732 * ACPI driver 2733 * 2734 *****************/ 2735 static int sony_pic_remove(struct acpi_device *device, int type) 2736 { 2737 struct sony_pic_ioport *io, *tmp_io; 2738 struct sony_pic_irq *irq, *tmp_irq; 2739 2740 if (sony_pic_disable(device)) { 2741 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2742 return -ENXIO; 2743 } 2744 2745 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2746 release_region(spic_dev.cur_ioport->io1.minimum, 2747 spic_dev.cur_ioport->io1.address_length); 2748 if (spic_dev.cur_ioport->io2.minimum) 2749 release_region(spic_dev.cur_ioport->io2.minimum, 2750 spic_dev.cur_ioport->io2.address_length); 2751 2752 sonypi_compat_exit(); 2753 2754 sony_laptop_remove_input(); 2755 2756 /* pf attrs */ 2757 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2758 sony_pf_remove(); 2759 2760 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2761 list_del(&io->list); 2762 kfree(io); 2763 } 2764 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2765 list_del(&irq->list); 2766 kfree(irq); 2767 } 2768 spic_dev.cur_ioport = NULL; 2769 spic_dev.cur_irq = NULL; 2770 2771 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2772 return 0; 2773 } 2774 2775 static int sony_pic_add(struct acpi_device *device) 2776 { 2777 int result; 2778 struct sony_pic_ioport *io, *tmp_io; 2779 struct sony_pic_irq *irq, *tmp_irq; 2780 2781 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2782 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2783 2784 spic_dev.acpi_dev = device; 2785 strcpy(acpi_device_class(device), "sony/hotkey"); 2786 sony_pic_detect_device_type(&spic_dev); 2787 mutex_init(&spic_dev.lock); 2788 2789 /* read _PRS resources */ 2790 result = sony_pic_possible_resources(device); 2791 if (result) { 2792 printk(KERN_ERR DRV_PFX 2793 "Unable to read possible resources.\n"); 2794 goto err_free_resources; 2795 } 2796 2797 /* setup input devices and helper fifo */ 2798 result = sony_laptop_setup_input(device); 2799 if (result) { 2800 printk(KERN_ERR DRV_PFX 2801 "Unable to create input devices.\n"); 2802 goto err_free_resources; 2803 } 2804 2805 if (sonypi_compat_init()) 2806 goto err_remove_input; 2807 2808 /* request io port */ 2809 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2810 if (request_region(io->io1.minimum, io->io1.address_length, 2811 "Sony Programable I/O Device")) { 2812 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2813 io->io1.minimum, io->io1.maximum, 2814 io->io1.address_length); 2815 /* Type 1 have 2 ioports */ 2816 if (io->io2.minimum) { 2817 if (request_region(io->io2.minimum, 2818 io->io2.address_length, 2819 "Sony Programable I/O Device")) { 2820 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2821 io->io2.minimum, io->io2.maximum, 2822 io->io2.address_length); 2823 spic_dev.cur_ioport = io; 2824 break; 2825 } 2826 else { 2827 dprintk("Unable to get I/O port2: " 2828 "0x%.4x (0x%.4x) + 0x%.2x\n", 2829 io->io2.minimum, io->io2.maximum, 2830 io->io2.address_length); 2831 release_region(io->io1.minimum, 2832 io->io1.address_length); 2833 } 2834 } 2835 else { 2836 spic_dev.cur_ioport = io; 2837 break; 2838 } 2839 } 2840 } 2841 if (!spic_dev.cur_ioport) { 2842 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2843 result = -ENODEV; 2844 goto err_remove_compat; 2845 } 2846 2847 /* request IRQ */ 2848 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2849 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2850 IRQF_DISABLED, "sony-laptop", &spic_dev)) { 2851 dprintk("IRQ: %d - triggering: %d - " 2852 "polarity: %d - shr: %d\n", 2853 irq->irq.interrupts[0], 2854 irq->irq.triggering, 2855 irq->irq.polarity, 2856 irq->irq.sharable); 2857 spic_dev.cur_irq = irq; 2858 break; 2859 } 2860 } 2861 if (!spic_dev.cur_irq) { 2862 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2863 result = -ENODEV; 2864 goto err_release_region; 2865 } 2866 2867 /* set resource status _SRS */ 2868 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2869 if (result) { 2870 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2871 goto err_free_irq; 2872 } 2873 2874 spic_dev.bluetooth_power = -1; 2875 /* create device attributes */ 2876 result = sony_pf_add(); 2877 if (result) 2878 goto err_disable_device; 2879 2880 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2881 if (result) 2882 goto err_remove_pf; 2883 2884 return 0; 2885 2886 err_remove_pf: 2887 sony_pf_remove(); 2888 2889 err_disable_device: 2890 sony_pic_disable(device); 2891 2892 err_free_irq: 2893 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2894 2895 err_release_region: 2896 release_region(spic_dev.cur_ioport->io1.minimum, 2897 spic_dev.cur_ioport->io1.address_length); 2898 if (spic_dev.cur_ioport->io2.minimum) 2899 release_region(spic_dev.cur_ioport->io2.minimum, 2900 spic_dev.cur_ioport->io2.address_length); 2901 2902 err_remove_compat: 2903 sonypi_compat_exit(); 2904 2905 err_remove_input: 2906 sony_laptop_remove_input(); 2907 2908 err_free_resources: 2909 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2910 list_del(&io->list); 2911 kfree(io); 2912 } 2913 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2914 list_del(&irq->list); 2915 kfree(irq); 2916 } 2917 spic_dev.cur_ioport = NULL; 2918 spic_dev.cur_irq = NULL; 2919 2920 return result; 2921 } 2922 2923 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2924 { 2925 if (sony_pic_disable(device)) 2926 return -ENXIO; 2927 return 0; 2928 } 2929 2930 static int sony_pic_resume(struct acpi_device *device) 2931 { 2932 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2933 return 0; 2934 } 2935 2936 static const struct acpi_device_id sony_pic_device_ids[] = { 2937 {SONY_PIC_HID, 0}, 2938 {"", 0}, 2939 }; 2940 2941 static struct acpi_driver sony_pic_driver = { 2942 .name = SONY_PIC_DRIVER_NAME, 2943 .class = SONY_PIC_CLASS, 2944 .ids = sony_pic_device_ids, 2945 .owner = THIS_MODULE, 2946 .ops = { 2947 .add = sony_pic_add, 2948 .remove = sony_pic_remove, 2949 .suspend = sony_pic_suspend, 2950 .resume = sony_pic_resume, 2951 }, 2952 }; 2953 2954 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2955 { 2956 .ident = "Sony Vaio", 2957 .matches = { 2958 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2959 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2960 }, 2961 }, 2962 { 2963 .ident = "Sony Vaio", 2964 .matches = { 2965 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2966 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2967 }, 2968 }, 2969 { } 2970 }; 2971 2972 static int __init sony_laptop_init(void) 2973 { 2974 int result; 2975 2976 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2977 result = acpi_bus_register_driver(&sony_pic_driver); 2978 if (result) { 2979 printk(KERN_ERR DRV_PFX 2980 "Unable to register SPIC driver."); 2981 goto out; 2982 } 2983 spic_drv_registered = 1; 2984 } 2985 2986 result = acpi_bus_register_driver(&sony_nc_driver); 2987 if (result) { 2988 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 2989 goto out_unregister_pic; 2990 } 2991 2992 return 0; 2993 2994 out_unregister_pic: 2995 if (spic_drv_registered) 2996 acpi_bus_unregister_driver(&sony_pic_driver); 2997 out: 2998 return result; 2999 } 3000 3001 static void __exit sony_laptop_exit(void) 3002 { 3003 acpi_bus_unregister_driver(&sony_nc_driver); 3004 if (spic_drv_registered) 3005 acpi_bus_unregister_driver(&sony_pic_driver); 3006 } 3007 3008 module_init(sony_laptop_init); 3009 module_exit(sony_laptop_exit); 3010