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 SONY_RFKILL_MAX, 132 }; 133 134 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX]; 135 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900}; 136 static void sony_nc_rfkill_update(void); 137 138 /*********** Input Devices ***********/ 139 140 #define SONY_LAPTOP_BUF_SIZE 128 141 struct sony_laptop_input_s { 142 atomic_t users; 143 struct input_dev *jog_dev; 144 struct input_dev *key_dev; 145 struct kfifo *fifo; 146 spinlock_t fifo_lock; 147 struct workqueue_struct *wq; 148 }; 149 150 static struct sony_laptop_input_s sony_laptop_input = { 151 .users = ATOMIC_INIT(0), 152 }; 153 154 struct sony_laptop_keypress { 155 struct input_dev *dev; 156 int key; 157 }; 158 159 /* Correspondance table between sonypi events 160 * and input layer indexes in the keymap 161 */ 162 static int sony_laptop_input_index[] = { 163 -1, /* 0 no event */ 164 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 165 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 166 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 167 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 168 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 169 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 170 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 171 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 172 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 173 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 174 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 175 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 176 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 177 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 178 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 179 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 180 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 181 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 182 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 183 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 184 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 185 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 186 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 187 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 188 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 189 19, /* 26 SONYPI_EVENT_FNKEY_D */ 190 20, /* 27 SONYPI_EVENT_FNKEY_E */ 191 21, /* 28 SONYPI_EVENT_FNKEY_F */ 192 22, /* 29 SONYPI_EVENT_FNKEY_S */ 193 23, /* 30 SONYPI_EVENT_FNKEY_B */ 194 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 195 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 196 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 197 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 198 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 199 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 200 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 201 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 202 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 203 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 204 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 205 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 206 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 207 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 208 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 209 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 210 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 211 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 212 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 213 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 214 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 215 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 216 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 217 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 218 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 219 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 220 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 221 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 222 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 223 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 224 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 225 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 226 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 227 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 228 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 229 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 230 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 231 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 232 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 233 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 234 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 235 }; 236 237 static int sony_laptop_input_keycode_map[] = { 238 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 239 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 240 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 241 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 242 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 243 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 244 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 245 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 246 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 247 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 248 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 249 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 250 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 251 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 252 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 253 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 254 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 255 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ 256 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ 257 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 258 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 259 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 260 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 261 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 262 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 263 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 264 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 265 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 266 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 267 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 268 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 269 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 270 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 271 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 272 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 273 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 274 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 275 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 276 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 277 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 278 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 279 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 280 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 281 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 282 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 283 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 284 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 285 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 286 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 287 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 288 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 289 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 290 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 291 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 292 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 293 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 294 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 295 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 296 }; 297 298 /* release buttons after a short delay if pressed */ 299 static void do_sony_laptop_release_key(struct work_struct *work) 300 { 301 struct sony_laptop_keypress kp; 302 303 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp, 304 sizeof(kp)) == sizeof(kp)) { 305 msleep(10); 306 input_report_key(kp.dev, kp.key, 0); 307 input_sync(kp.dev); 308 } 309 } 310 static DECLARE_WORK(sony_laptop_release_key_work, 311 do_sony_laptop_release_key); 312 313 /* forward event to the input subsystem */ 314 static void sony_laptop_report_input_event(u8 event) 315 { 316 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 317 struct input_dev *key_dev = sony_laptop_input.key_dev; 318 struct sony_laptop_keypress kp = { NULL }; 319 320 if (event == SONYPI_EVENT_FNKEY_RELEASED) { 321 /* Nothing, not all VAIOs generate this event */ 322 return; 323 } 324 325 /* report events */ 326 switch (event) { 327 /* jog_dev events */ 328 case SONYPI_EVENT_JOGDIAL_UP: 329 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 330 input_report_rel(jog_dev, REL_WHEEL, 1); 331 input_sync(jog_dev); 332 return; 333 334 case SONYPI_EVENT_JOGDIAL_DOWN: 335 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 336 input_report_rel(jog_dev, REL_WHEEL, -1); 337 input_sync(jog_dev); 338 return; 339 340 /* key_dev events */ 341 case SONYPI_EVENT_JOGDIAL_PRESSED: 342 kp.key = BTN_MIDDLE; 343 kp.dev = jog_dev; 344 break; 345 346 default: 347 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 348 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 349 break; 350 } 351 if (sony_laptop_input_index[event] != -1) { 352 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; 353 if (kp.key != KEY_UNKNOWN) 354 kp.dev = key_dev; 355 } 356 break; 357 } 358 359 if (kp.dev) { 360 input_report_key(kp.dev, kp.key, 1); 361 /* we emit the scancode so we can always remap the key */ 362 input_event(kp.dev, EV_MSC, MSC_SCAN, event); 363 input_sync(kp.dev); 364 kfifo_put(sony_laptop_input.fifo, 365 (unsigned char *)&kp, sizeof(kp)); 366 367 if (!work_pending(&sony_laptop_release_key_work)) 368 queue_work(sony_laptop_input.wq, 369 &sony_laptop_release_key_work); 370 } else 371 dprintk("unknown input event %.2x\n", event); 372 } 373 374 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 375 { 376 struct input_dev *jog_dev; 377 struct input_dev *key_dev; 378 int i; 379 int error; 380 381 /* don't run again if already initialized */ 382 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 383 return 0; 384 385 /* kfifo */ 386 spin_lock_init(&sony_laptop_input.fifo_lock); 387 sony_laptop_input.fifo = 388 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 389 &sony_laptop_input.fifo_lock); 390 if (IS_ERR(sony_laptop_input.fifo)) { 391 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 392 error = PTR_ERR(sony_laptop_input.fifo); 393 goto err_dec_users; 394 } 395 396 /* init workqueue */ 397 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop"); 398 if (!sony_laptop_input.wq) { 399 printk(KERN_ERR DRV_PFX 400 "Unable to create workqueue.\n"); 401 error = -ENXIO; 402 goto err_free_kfifo; 403 } 404 405 /* input keys */ 406 key_dev = input_allocate_device(); 407 if (!key_dev) { 408 error = -ENOMEM; 409 goto err_destroy_wq; 410 } 411 412 key_dev->name = "Sony Vaio Keys"; 413 key_dev->id.bustype = BUS_ISA; 414 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 415 key_dev->dev.parent = &acpi_device->dev; 416 417 /* Initialize the Input Drivers: special keys */ 418 set_bit(EV_KEY, key_dev->evbit); 419 set_bit(EV_MSC, key_dev->evbit); 420 set_bit(MSC_SCAN, key_dev->mscbit); 421 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 422 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 423 key_dev->keycode = &sony_laptop_input_keycode_map; 424 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) { 425 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) { 426 set_bit(sony_laptop_input_keycode_map[i], 427 key_dev->keybit); 428 } 429 } 430 431 error = input_register_device(key_dev); 432 if (error) 433 goto err_free_keydev; 434 435 sony_laptop_input.key_dev = key_dev; 436 437 /* jogdial */ 438 jog_dev = input_allocate_device(); 439 if (!jog_dev) { 440 error = -ENOMEM; 441 goto err_unregister_keydev; 442 } 443 444 jog_dev->name = "Sony Vaio Jogdial"; 445 jog_dev->id.bustype = BUS_ISA; 446 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 447 key_dev->dev.parent = &acpi_device->dev; 448 449 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 450 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); 451 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); 452 453 error = input_register_device(jog_dev); 454 if (error) 455 goto err_free_jogdev; 456 457 sony_laptop_input.jog_dev = jog_dev; 458 459 return 0; 460 461 err_free_jogdev: 462 input_free_device(jog_dev); 463 464 err_unregister_keydev: 465 input_unregister_device(key_dev); 466 /* to avoid kref underflow below at input_free_device */ 467 key_dev = NULL; 468 469 err_free_keydev: 470 input_free_device(key_dev); 471 472 err_destroy_wq: 473 destroy_workqueue(sony_laptop_input.wq); 474 475 err_free_kfifo: 476 kfifo_free(sony_laptop_input.fifo); 477 478 err_dec_users: 479 atomic_dec(&sony_laptop_input.users); 480 return error; 481 } 482 483 static void sony_laptop_remove_input(void) 484 { 485 /* cleanup only after the last user has gone */ 486 if (!atomic_dec_and_test(&sony_laptop_input.users)) 487 return; 488 489 /* flush workqueue first */ 490 flush_workqueue(sony_laptop_input.wq); 491 492 /* destroy input devs */ 493 input_unregister_device(sony_laptop_input.key_dev); 494 sony_laptop_input.key_dev = NULL; 495 496 if (sony_laptop_input.jog_dev) { 497 input_unregister_device(sony_laptop_input.jog_dev); 498 sony_laptop_input.jog_dev = NULL; 499 } 500 501 destroy_workqueue(sony_laptop_input.wq); 502 kfifo_free(sony_laptop_input.fifo); 503 } 504 505 /*********** Platform Device ***********/ 506 507 static atomic_t sony_pf_users = ATOMIC_INIT(0); 508 static struct platform_driver sony_pf_driver = { 509 .driver = { 510 .name = "sony-laptop", 511 .owner = THIS_MODULE, 512 } 513 }; 514 static struct platform_device *sony_pf_device; 515 516 static int sony_pf_add(void) 517 { 518 int ret = 0; 519 520 /* don't run again if already initialized */ 521 if (atomic_add_return(1, &sony_pf_users) > 1) 522 return 0; 523 524 ret = platform_driver_register(&sony_pf_driver); 525 if (ret) 526 goto out; 527 528 sony_pf_device = platform_device_alloc("sony-laptop", -1); 529 if (!sony_pf_device) { 530 ret = -ENOMEM; 531 goto out_platform_registered; 532 } 533 534 ret = platform_device_add(sony_pf_device); 535 if (ret) 536 goto out_platform_alloced; 537 538 return 0; 539 540 out_platform_alloced: 541 platform_device_put(sony_pf_device); 542 sony_pf_device = NULL; 543 out_platform_registered: 544 platform_driver_unregister(&sony_pf_driver); 545 out: 546 atomic_dec(&sony_pf_users); 547 return ret; 548 } 549 550 static void sony_pf_remove(void) 551 { 552 /* deregister only after the last user has gone */ 553 if (!atomic_dec_and_test(&sony_pf_users)) 554 return; 555 556 platform_device_del(sony_pf_device); 557 platform_device_put(sony_pf_device); 558 platform_driver_unregister(&sony_pf_driver); 559 } 560 561 /*********** SNC (SNY5001) Device ***********/ 562 563 /* the device uses 1-based values, while the backlight subsystem uses 564 0-based values */ 565 #define SONY_MAX_BRIGHTNESS 8 566 567 #define SNC_VALIDATE_IN 0 568 #define SNC_VALIDATE_OUT 1 569 570 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 571 char *); 572 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 573 const char *, size_t); 574 static int boolean_validate(const int, const int); 575 static int brightness_default_validate(const int, const int); 576 577 struct sony_nc_value { 578 char *name; /* name of the entry */ 579 char **acpiget; /* names of the ACPI get function */ 580 char **acpiset; /* names of the ACPI set function */ 581 int (*validate)(const int, const int); /* input/output validation */ 582 int value; /* current setting */ 583 int valid; /* Has ever been set */ 584 int debug; /* active only in debug mode ? */ 585 struct device_attribute devattr; /* sysfs atribute */ 586 }; 587 588 #define SNC_HANDLE_NAMES(_name, _values...) \ 589 static char *snc_##_name[] = { _values, NULL } 590 591 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 592 { \ 593 .name = __stringify(_name), \ 594 .acpiget = _getters, \ 595 .acpiset = _setters, \ 596 .validate = _validate, \ 597 .debug = _debug, \ 598 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 599 } 600 601 #define SNC_HANDLE_NULL { .name = NULL } 602 603 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 604 605 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 606 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 607 608 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 609 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 610 611 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 612 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 613 614 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 615 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 616 617 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 618 619 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 620 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 621 622 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 623 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 624 625 SNC_HANDLE_NAMES(PID_get, "GPID"); 626 627 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 628 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 629 630 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 631 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 632 633 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 634 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 635 636 static struct sony_nc_value sony_nc_values[] = { 637 SNC_HANDLE(brightness_default, snc_brightness_def_get, 638 snc_brightness_def_set, brightness_default_validate, 0), 639 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 640 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 641 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 642 boolean_validate, 0), 643 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 644 boolean_validate, 1), 645 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 646 boolean_validate, 0), 647 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 648 boolean_validate, 0), 649 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 650 boolean_validate, 0), 651 /* unknown methods */ 652 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 653 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 654 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 655 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 656 SNC_HANDLE_NULL 657 }; 658 659 static acpi_handle sony_nc_acpi_handle; 660 static struct acpi_device *sony_nc_acpi_device = NULL; 661 662 /* 663 * acpi_evaluate_object wrappers 664 */ 665 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) 666 { 667 struct acpi_buffer output; 668 union acpi_object out_obj; 669 acpi_status status; 670 671 output.length = sizeof(out_obj); 672 output.pointer = &out_obj; 673 674 status = acpi_evaluate_object(handle, name, NULL, &output); 675 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { 676 *result = out_obj.integer.value; 677 return 0; 678 } 679 680 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); 681 682 return -1; 683 } 684 685 static int acpi_callsetfunc(acpi_handle handle, char *name, int value, 686 int *result) 687 { 688 struct acpi_object_list params; 689 union acpi_object in_obj; 690 struct acpi_buffer output; 691 union acpi_object out_obj; 692 acpi_status status; 693 694 params.count = 1; 695 params.pointer = &in_obj; 696 in_obj.type = ACPI_TYPE_INTEGER; 697 in_obj.integer.value = value; 698 699 output.length = sizeof(out_obj); 700 output.pointer = &out_obj; 701 702 status = acpi_evaluate_object(handle, name, ¶ms, &output); 703 if (status == AE_OK) { 704 if (result != NULL) { 705 if (out_obj.type != ACPI_TYPE_INTEGER) { 706 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " 707 "return type\n"); 708 return -1; 709 } 710 *result = out_obj.integer.value; 711 } 712 return 0; 713 } 714 715 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); 716 717 return -1; 718 } 719 720 static int sony_find_snc_handle(int handle) 721 { 722 int i; 723 int result; 724 725 for (i = 0x20; i < 0x30; i++) { 726 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result); 727 if (result == handle) 728 return i-0x20; 729 } 730 731 return -1; 732 } 733 734 static int sony_call_snc_handle(int handle, int argument, int *result) 735 { 736 int offset = sony_find_snc_handle(handle); 737 738 if (offset < 0) 739 return -1; 740 741 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, 742 result); 743 } 744 745 /* 746 * sony_nc_values input/output validate functions 747 */ 748 749 /* brightness_default_validate: 750 * 751 * manipulate input output values to keep consistency with the 752 * backlight framework for which brightness values are 0-based. 753 */ 754 static int brightness_default_validate(const int direction, const int value) 755 { 756 switch (direction) { 757 case SNC_VALIDATE_OUT: 758 return value - 1; 759 case SNC_VALIDATE_IN: 760 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 761 return value + 1; 762 } 763 return -EINVAL; 764 } 765 766 /* boolean_validate: 767 * 768 * on input validate boolean values 0/1, on output just pass the 769 * received value. 770 */ 771 static int boolean_validate(const int direction, const int value) 772 { 773 if (direction == SNC_VALIDATE_IN) { 774 if (value != 0 && value != 1) 775 return -EINVAL; 776 } 777 return value; 778 } 779 780 /* 781 * Sysfs show/store common to all sony_nc_values 782 */ 783 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 784 char *buffer) 785 { 786 int value; 787 struct sony_nc_value *item = 788 container_of(attr, struct sony_nc_value, devattr); 789 790 if (!*item->acpiget) 791 return -EIO; 792 793 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) 794 return -EIO; 795 796 if (item->validate) 797 value = item->validate(SNC_VALIDATE_OUT, value); 798 799 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 800 } 801 802 static ssize_t sony_nc_sysfs_store(struct device *dev, 803 struct device_attribute *attr, 804 const char *buffer, size_t count) 805 { 806 int value; 807 struct sony_nc_value *item = 808 container_of(attr, struct sony_nc_value, devattr); 809 810 if (!item->acpiset) 811 return -EIO; 812 813 if (count > 31) 814 return -EINVAL; 815 816 value = simple_strtoul(buffer, NULL, 10); 817 818 if (item->validate) 819 value = item->validate(SNC_VALIDATE_IN, value); 820 821 if (value < 0) 822 return value; 823 824 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) 825 return -EIO; 826 item->value = value; 827 item->valid = 1; 828 return count; 829 } 830 831 832 /* 833 * Backlight device 834 */ 835 static int sony_backlight_update_status(struct backlight_device *bd) 836 { 837 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 838 bd->props.brightness + 1, NULL); 839 } 840 841 static int sony_backlight_get_brightness(struct backlight_device *bd) 842 { 843 int value; 844 845 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) 846 return 0; 847 /* brightness levels are 1-based, while backlight ones are 0-based */ 848 return value - 1; 849 } 850 851 static struct backlight_device *sony_backlight_device; 852 static struct backlight_ops sony_backlight_ops = { 853 .update_status = sony_backlight_update_status, 854 .get_brightness = sony_backlight_get_brightness, 855 }; 856 857 /* 858 * New SNC-only Vaios event mapping to driver known keys 859 */ 860 struct sony_nc_event { 861 u8 data; 862 u8 event; 863 }; 864 865 static struct sony_nc_event sony_100_events[] = { 866 { 0x90, SONYPI_EVENT_PKEY_P1 }, 867 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 868 { 0x91, SONYPI_EVENT_PKEY_P2 }, 869 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 870 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 871 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 872 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 873 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 874 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 875 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 876 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 877 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 878 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 879 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 880 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 881 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 882 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 883 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 884 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 885 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 886 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 887 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 888 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 889 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 890 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 891 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 892 { 0, 0 }, 893 }; 894 895 static struct sony_nc_event sony_127_events[] = { 896 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 897 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 898 { 0x82, SONYPI_EVENT_PKEY_P1 }, 899 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 900 { 0x83, SONYPI_EVENT_PKEY_P2 }, 901 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 902 { 0x84, SONYPI_EVENT_PKEY_P3 }, 903 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 904 { 0x85, SONYPI_EVENT_PKEY_P4 }, 905 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 906 { 0x86, SONYPI_EVENT_PKEY_P5 }, 907 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 908 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 909 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 910 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 911 { 0, 0 }, 912 }; 913 914 /* 915 * ACPI callbacks 916 */ 917 static void sony_nc_notify(struct acpi_device *device, u32 event) 918 { 919 u32 ev = event; 920 921 if (ev >= 0x90) { 922 /* New-style event */ 923 int result; 924 int key_handle = 0; 925 ev -= 0x90; 926 927 if (sony_find_snc_handle(0x100) == ev) 928 key_handle = 0x100; 929 if (sony_find_snc_handle(0x127) == ev) 930 key_handle = 0x127; 931 932 if (key_handle) { 933 struct sony_nc_event *key_event; 934 935 if (sony_call_snc_handle(key_handle, 0x200, &result)) { 936 dprintk("sony_nc_notify, unable to decode" 937 " event 0x%.2x 0x%.2x\n", key_handle, 938 ev); 939 /* restore the original event */ 940 ev = event; 941 } else { 942 ev = result & 0xFF; 943 944 if (key_handle == 0x100) 945 key_event = sony_100_events; 946 else 947 key_event = sony_127_events; 948 949 for (; key_event->data; key_event++) { 950 if (key_event->data == ev) { 951 ev = key_event->event; 952 break; 953 } 954 } 955 956 if (!key_event->data) 957 printk(KERN_INFO DRV_PFX 958 "Unknown event: 0x%x 0x%x\n", 959 key_handle, 960 ev); 961 else 962 sony_laptop_report_input_event(ev); 963 } 964 } else if (sony_find_snc_handle(0x124) == ev) { 965 sony_nc_rfkill_update(); 966 return; 967 } 968 } else 969 sony_laptop_report_input_event(ev); 970 971 dprintk("sony_nc_notify, event: 0x%.2x\n", ev); 972 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev); 973 } 974 975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 976 void *context, void **return_value) 977 { 978 struct acpi_device_info *info; 979 struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; 980 981 if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) { 982 info = buffer.pointer; 983 984 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", 985 (char *)&info->name, info->param_count); 986 987 kfree(buffer.pointer); 988 } 989 990 return AE_OK; 991 } 992 993 /* 994 * ACPI device 995 */ 996 static int sony_nc_function_setup(struct acpi_device *device) 997 { 998 int result; 999 1000 /* Enable all events */ 1001 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result); 1002 1003 /* Setup hotkeys */ 1004 sony_call_snc_handle(0x0100, 0, &result); 1005 sony_call_snc_handle(0x0101, 0, &result); 1006 sony_call_snc_handle(0x0102, 0x100, &result); 1007 1008 return 0; 1009 } 1010 1011 static int sony_nc_resume(struct acpi_device *device) 1012 { 1013 struct sony_nc_value *item; 1014 acpi_handle handle; 1015 1016 for (item = sony_nc_values; item->name; item++) { 1017 int ret; 1018 1019 if (!item->valid) 1020 continue; 1021 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, 1022 item->value, NULL); 1023 if (ret < 0) { 1024 printk("%s: %d\n", __func__, ret); 1025 break; 1026 } 1027 } 1028 1029 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1030 &handle))) { 1031 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1032 dprintk("ECON Method failed\n"); 1033 } 1034 1035 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1036 &handle))) { 1037 dprintk("Doing SNC setup\n"); 1038 sony_nc_function_setup(device); 1039 } 1040 1041 /* set the last requested brightness level */ 1042 if (sony_backlight_device && 1043 !sony_backlight_update_status(sony_backlight_device)) 1044 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); 1045 1046 return 0; 1047 } 1048 1049 static void sony_nc_rfkill_cleanup(void) 1050 { 1051 int i; 1052 1053 for (i = 0; i < SONY_RFKILL_MAX; i++) { 1054 if (sony_rfkill_devices[i]) 1055 rfkill_unregister(sony_rfkill_devices[i]); 1056 } 1057 } 1058 1059 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state) 1060 { 1061 int result; 1062 int argument = sony_rfkill_address[(long) data]; 1063 1064 sony_call_snc_handle(0x124, 0x200, &result); 1065 if (result & 0x1) { 1066 sony_call_snc_handle(0x124, argument, &result); 1067 if (result & 0xf) 1068 *state = RFKILL_STATE_UNBLOCKED; 1069 else 1070 *state = RFKILL_STATE_SOFT_BLOCKED; 1071 } else { 1072 *state = RFKILL_STATE_HARD_BLOCKED; 1073 } 1074 1075 return 0; 1076 } 1077 1078 static int sony_nc_rfkill_set(void *data, enum rfkill_state state) 1079 { 1080 int result; 1081 int argument = sony_rfkill_address[(long) data] + 0x100; 1082 1083 if (state == RFKILL_STATE_UNBLOCKED) 1084 argument |= 0xff0000; 1085 1086 return sony_call_snc_handle(0x124, argument, &result); 1087 } 1088 1089 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device) 1090 { 1091 int err = 0; 1092 struct rfkill *sony_wifi_rfkill; 1093 1094 sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN); 1095 if (!sony_wifi_rfkill) 1096 return -1; 1097 sony_wifi_rfkill->name = "sony-wifi"; 1098 sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set; 1099 sony_wifi_rfkill->get_state = sony_nc_rfkill_get; 1100 sony_wifi_rfkill->user_claim_unsupported = 1; 1101 sony_wifi_rfkill->data = (void *)SONY_WIFI; 1102 err = rfkill_register(sony_wifi_rfkill); 1103 if (err) 1104 rfkill_free(sony_wifi_rfkill); 1105 else 1106 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill; 1107 return err; 1108 } 1109 1110 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device) 1111 { 1112 int err = 0; 1113 struct rfkill *sony_bluetooth_rfkill; 1114 1115 sony_bluetooth_rfkill = rfkill_allocate(&device->dev, 1116 RFKILL_TYPE_BLUETOOTH); 1117 if (!sony_bluetooth_rfkill) 1118 return -1; 1119 sony_bluetooth_rfkill->name = "sony-bluetooth"; 1120 sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set; 1121 sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get; 1122 sony_bluetooth_rfkill->user_claim_unsupported = 1; 1123 sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH; 1124 err = rfkill_register(sony_bluetooth_rfkill); 1125 if (err) 1126 rfkill_free(sony_bluetooth_rfkill); 1127 else 1128 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill; 1129 return err; 1130 } 1131 1132 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device) 1133 { 1134 int err = 0; 1135 struct rfkill *sony_wwan_rfkill; 1136 1137 sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN); 1138 if (!sony_wwan_rfkill) 1139 return -1; 1140 sony_wwan_rfkill->name = "sony-wwan"; 1141 sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set; 1142 sony_wwan_rfkill->get_state = sony_nc_rfkill_get; 1143 sony_wwan_rfkill->user_claim_unsupported = 1; 1144 sony_wwan_rfkill->data = (void *)SONY_WWAN; 1145 err = rfkill_register(sony_wwan_rfkill); 1146 if (err) 1147 rfkill_free(sony_wwan_rfkill); 1148 else 1149 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill; 1150 return err; 1151 } 1152 1153 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device) 1154 { 1155 int err = 0; 1156 struct rfkill *sony_wimax_rfkill; 1157 1158 sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX); 1159 if (!sony_wimax_rfkill) 1160 return -1; 1161 sony_wimax_rfkill->name = "sony-wimax"; 1162 sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set; 1163 sony_wimax_rfkill->get_state = sony_nc_rfkill_get; 1164 sony_wimax_rfkill->user_claim_unsupported = 1; 1165 sony_wimax_rfkill->data = (void *)SONY_WIMAX; 1166 err = rfkill_register(sony_wimax_rfkill); 1167 if (err) 1168 rfkill_free(sony_wimax_rfkill); 1169 else 1170 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill; 1171 return err; 1172 } 1173 1174 static void sony_nc_rfkill_update() 1175 { 1176 int i; 1177 enum rfkill_state state; 1178 1179 for (i = 0; i < SONY_RFKILL_MAX; i++) { 1180 if (sony_rfkill_devices[i]) { 1181 sony_rfkill_devices[i]-> 1182 get_state(sony_rfkill_devices[i]->data, 1183 &state); 1184 rfkill_force_state(sony_rfkill_devices[i], state); 1185 } 1186 } 1187 } 1188 1189 static int sony_nc_rfkill_setup(struct acpi_device *device) 1190 { 1191 int result, ret; 1192 1193 if (sony_find_snc_handle(0x124) == -1) 1194 return -1; 1195 1196 ret = sony_call_snc_handle(0x124, 0xb00, &result); 1197 if (ret) { 1198 printk(KERN_INFO DRV_PFX 1199 "Unable to enumerate rfkill devices: %x\n", ret); 1200 return ret; 1201 } 1202 1203 if (result & 0x1) 1204 sony_nc_setup_wifi_rfkill(device); 1205 if (result & 0x2) 1206 sony_nc_setup_bluetooth_rfkill(device); 1207 if (result & 0x1c) 1208 sony_nc_setup_wwan_rfkill(device); 1209 if (result & 0x20) 1210 sony_nc_setup_wimax_rfkill(device); 1211 1212 return 0; 1213 } 1214 1215 static int sony_nc_add(struct acpi_device *device) 1216 { 1217 acpi_status status; 1218 int result = 0; 1219 acpi_handle handle; 1220 struct sony_nc_value *item; 1221 1222 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1223 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1224 1225 sony_nc_acpi_device = device; 1226 strcpy(acpi_device_class(device), "sony/hotkey"); 1227 1228 sony_nc_acpi_handle = device->handle; 1229 1230 /* read device status */ 1231 result = acpi_bus_get_status(device); 1232 /* bail IFF the above call was successful and the device is not present */ 1233 if (!result && !device->status.present) { 1234 dprintk("Device not present\n"); 1235 result = -ENODEV; 1236 goto outwalk; 1237 } 1238 1239 if (debug) { 1240 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1241 1, sony_walk_callback, NULL, NULL); 1242 if (ACPI_FAILURE(status)) { 1243 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1244 result = -ENODEV; 1245 goto outwalk; 1246 } 1247 } 1248 1249 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1 1250 * should be respected as we already checked for the device presence above */ 1251 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) { 1252 dprintk("Invoking _INI\n"); 1253 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI, 1254 NULL, NULL))) 1255 dprintk("_INI Method failed\n"); 1256 } 1257 1258 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1259 &handle))) { 1260 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1261 dprintk("ECON Method failed\n"); 1262 } 1263 1264 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1265 &handle))) { 1266 dprintk("Doing SNC setup\n"); 1267 sony_nc_function_setup(device); 1268 sony_nc_rfkill_setup(device); 1269 } 1270 1271 /* setup input devices and helper fifo */ 1272 result = sony_laptop_setup_input(device); 1273 if (result) { 1274 printk(KERN_ERR DRV_PFX 1275 "Unable to create input devices.\n"); 1276 goto outwalk; 1277 } 1278 1279 if (acpi_video_backlight_support()) { 1280 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1281 "controlled by ACPI video driver\n"); 1282 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1283 &handle))) { 1284 sony_backlight_device = backlight_device_register("sony", NULL, 1285 NULL, 1286 &sony_backlight_ops); 1287 1288 if (IS_ERR(sony_backlight_device)) { 1289 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1290 sony_backlight_device = NULL; 1291 } else { 1292 sony_backlight_device->props.brightness = 1293 sony_backlight_get_brightness 1294 (sony_backlight_device); 1295 sony_backlight_device->props.max_brightness = 1296 SONY_MAX_BRIGHTNESS - 1; 1297 } 1298 1299 } 1300 1301 result = sony_pf_add(); 1302 if (result) 1303 goto outbacklight; 1304 1305 /* create sony_pf sysfs attributes related to the SNC device */ 1306 for (item = sony_nc_values; item->name; ++item) { 1307 1308 if (!debug && item->debug) 1309 continue; 1310 1311 /* find the available acpiget as described in the DSDT */ 1312 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1313 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1314 *item->acpiget, 1315 &handle))) { 1316 dprintk("Found %s getter: %s\n", 1317 item->name, *item->acpiget); 1318 item->devattr.attr.mode |= S_IRUGO; 1319 break; 1320 } 1321 } 1322 1323 /* find the available acpiset as described in the DSDT */ 1324 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1325 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1326 *item->acpiset, 1327 &handle))) { 1328 dprintk("Found %s setter: %s\n", 1329 item->name, *item->acpiset); 1330 item->devattr.attr.mode |= S_IWUSR; 1331 break; 1332 } 1333 } 1334 1335 if (item->devattr.attr.mode != 0) { 1336 result = 1337 device_create_file(&sony_pf_device->dev, 1338 &item->devattr); 1339 if (result) 1340 goto out_sysfs; 1341 } 1342 } 1343 1344 return 0; 1345 1346 out_sysfs: 1347 for (item = sony_nc_values; item->name; ++item) { 1348 device_remove_file(&sony_pf_device->dev, &item->devattr); 1349 } 1350 sony_pf_remove(); 1351 1352 outbacklight: 1353 if (sony_backlight_device) 1354 backlight_device_unregister(sony_backlight_device); 1355 1356 sony_laptop_remove_input(); 1357 1358 outwalk: 1359 sony_nc_rfkill_cleanup(); 1360 return result; 1361 } 1362 1363 static int sony_nc_remove(struct acpi_device *device, int type) 1364 { 1365 struct sony_nc_value *item; 1366 1367 if (sony_backlight_device) 1368 backlight_device_unregister(sony_backlight_device); 1369 1370 sony_nc_acpi_device = NULL; 1371 1372 for (item = sony_nc_values; item->name; ++item) { 1373 device_remove_file(&sony_pf_device->dev, &item->devattr); 1374 } 1375 1376 sony_pf_remove(); 1377 sony_laptop_remove_input(); 1378 sony_nc_rfkill_cleanup(); 1379 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1380 1381 return 0; 1382 } 1383 1384 static const struct acpi_device_id sony_device_ids[] = { 1385 {SONY_NC_HID, 0}, 1386 {SONY_PIC_HID, 0}, 1387 {"", 0}, 1388 }; 1389 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1390 1391 static const struct acpi_device_id sony_nc_device_ids[] = { 1392 {SONY_NC_HID, 0}, 1393 {"", 0}, 1394 }; 1395 1396 static struct acpi_driver sony_nc_driver = { 1397 .name = SONY_NC_DRIVER_NAME, 1398 .class = SONY_NC_CLASS, 1399 .ids = sony_nc_device_ids, 1400 .owner = THIS_MODULE, 1401 .ops = { 1402 .add = sony_nc_add, 1403 .remove = sony_nc_remove, 1404 .resume = sony_nc_resume, 1405 .notify = sony_nc_notify, 1406 }, 1407 }; 1408 1409 /*********** SPIC (SNY6001) Device ***********/ 1410 1411 #define SONYPI_DEVICE_TYPE1 0x00000001 1412 #define SONYPI_DEVICE_TYPE2 0x00000002 1413 #define SONYPI_DEVICE_TYPE3 0x00000004 1414 #define SONYPI_DEVICE_TYPE4 0x00000008 1415 1416 #define SONYPI_TYPE1_OFFSET 0x04 1417 #define SONYPI_TYPE2_OFFSET 0x12 1418 #define SONYPI_TYPE3_OFFSET 0x12 1419 1420 struct sony_pic_ioport { 1421 struct acpi_resource_io io1; 1422 struct acpi_resource_io io2; 1423 struct list_head list; 1424 }; 1425 1426 struct sony_pic_irq { 1427 struct acpi_resource_irq irq; 1428 struct list_head list; 1429 }; 1430 1431 struct sonypi_eventtypes { 1432 u8 data; 1433 unsigned long mask; 1434 struct sonypi_event *events; 1435 }; 1436 1437 struct device_ctrl { 1438 int model; 1439 int (*handle_irq)(const u8, const u8); 1440 u16 evport_offset; 1441 u8 has_camera; 1442 u8 has_bluetooth; 1443 u8 has_wwan; 1444 struct sonypi_eventtypes *event_types; 1445 }; 1446 1447 struct sony_pic_dev { 1448 struct device_ctrl *control; 1449 struct acpi_device *acpi_dev; 1450 struct sony_pic_irq *cur_irq; 1451 struct sony_pic_ioport *cur_ioport; 1452 struct list_head interrupts; 1453 struct list_head ioports; 1454 struct mutex lock; 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 /* Event masks */ 1466 #define SONYPI_JOGGER_MASK 0x00000001 1467 #define SONYPI_CAPTURE_MASK 0x00000002 1468 #define SONYPI_FNKEY_MASK 0x00000004 1469 #define SONYPI_BLUETOOTH_MASK 0x00000008 1470 #define SONYPI_PKEY_MASK 0x00000010 1471 #define SONYPI_BACK_MASK 0x00000020 1472 #define SONYPI_HELP_MASK 0x00000040 1473 #define SONYPI_LID_MASK 0x00000080 1474 #define SONYPI_ZOOM_MASK 0x00000100 1475 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1476 #define SONYPI_MEYE_MASK 0x00000400 1477 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1478 #define SONYPI_BATTERY_MASK 0x00001000 1479 #define SONYPI_WIRELESS_MASK 0x00002000 1480 1481 struct sonypi_event { 1482 u8 data; 1483 u8 event; 1484 }; 1485 1486 /* The set of possible button release events */ 1487 static struct sonypi_event sonypi_releaseev[] = { 1488 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1489 { 0, 0 } 1490 }; 1491 1492 /* The set of possible jogger events */ 1493 static struct sonypi_event sonypi_joggerev[] = { 1494 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1495 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1496 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1497 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1498 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1499 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1500 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1501 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1502 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1503 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1504 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1505 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1506 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1507 { 0, 0 } 1508 }; 1509 1510 /* The set of possible capture button events */ 1511 static struct sonypi_event sonypi_captureev[] = { 1512 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1513 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1514 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1515 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1516 { 0, 0 } 1517 }; 1518 1519 /* The set of possible fnkeys events */ 1520 static struct sonypi_event sonypi_fnkeyev[] = { 1521 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1522 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1523 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1524 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1525 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1526 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1527 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1528 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1529 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1530 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1531 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1532 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1533 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1534 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1535 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1536 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1537 { 0x31, SONYPI_EVENT_FNKEY_D }, 1538 { 0x32, SONYPI_EVENT_FNKEY_E }, 1539 { 0x33, SONYPI_EVENT_FNKEY_F }, 1540 { 0x34, SONYPI_EVENT_FNKEY_S }, 1541 { 0x35, SONYPI_EVENT_FNKEY_B }, 1542 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1543 { 0, 0 } 1544 }; 1545 1546 /* The set of possible program key events */ 1547 static struct sonypi_event sonypi_pkeyev[] = { 1548 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1549 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1550 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1551 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1552 { 0, 0 } 1553 }; 1554 1555 /* The set of possible bluetooth events */ 1556 static struct sonypi_event sonypi_blueev[] = { 1557 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1558 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1559 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1560 { 0, 0 } 1561 }; 1562 1563 /* The set of possible wireless events */ 1564 static struct sonypi_event sonypi_wlessev[] = { 1565 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1566 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1567 { 0, 0 } 1568 }; 1569 1570 /* The set of possible back button events */ 1571 static struct sonypi_event sonypi_backev[] = { 1572 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1573 { 0, 0 } 1574 }; 1575 1576 /* The set of possible help button events */ 1577 static struct sonypi_event sonypi_helpev[] = { 1578 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1579 { 0, 0 } 1580 }; 1581 1582 1583 /* The set of possible lid events */ 1584 static struct sonypi_event sonypi_lidev[] = { 1585 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1586 { 0x50, SONYPI_EVENT_LID_OPENED }, 1587 { 0, 0 } 1588 }; 1589 1590 /* The set of possible zoom events */ 1591 static struct sonypi_event sonypi_zoomev[] = { 1592 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1593 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1594 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1595 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1596 { 0, 0 } 1597 }; 1598 1599 /* The set of possible thumbphrase events */ 1600 static struct sonypi_event sonypi_thumbphraseev[] = { 1601 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1602 { 0, 0 } 1603 }; 1604 1605 /* The set of possible motioneye camera events */ 1606 static struct sonypi_event sonypi_meyeev[] = { 1607 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1608 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1609 { 0, 0 } 1610 }; 1611 1612 /* The set of possible memorystick events */ 1613 static struct sonypi_event sonypi_memorystickev[] = { 1614 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1615 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1616 { 0, 0 } 1617 }; 1618 1619 /* The set of possible battery events */ 1620 static struct sonypi_event sonypi_batteryev[] = { 1621 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1622 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1623 { 0, 0 } 1624 }; 1625 1626 /* The set of possible volume events */ 1627 static struct sonypi_event sonypi_volumeev[] = { 1628 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1629 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1630 { 0, 0 } 1631 }; 1632 1633 /* The set of possible brightness events */ 1634 static struct sonypi_event sonypi_brightnessev[] = { 1635 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1636 { 0, 0 } 1637 }; 1638 1639 static struct sonypi_eventtypes type1_events[] = { 1640 { 0, 0xffffffff, sonypi_releaseev }, 1641 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1642 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1643 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1644 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1645 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1646 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1647 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1648 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1649 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1650 { 0 }, 1651 }; 1652 static struct sonypi_eventtypes type2_events[] = { 1653 { 0, 0xffffffff, sonypi_releaseev }, 1654 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1655 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1656 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1657 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1658 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1659 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1660 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1661 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1662 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1663 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1664 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1665 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1666 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1667 { 0 }, 1668 }; 1669 static struct sonypi_eventtypes type3_events[] = { 1670 { 0, 0xffffffff, sonypi_releaseev }, 1671 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1672 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1673 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1674 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1675 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1676 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1677 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1678 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1679 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1680 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1681 { 0 }, 1682 }; 1683 1684 /* low level spic calls */ 1685 #define ITERATIONS_LONG 10000 1686 #define ITERATIONS_SHORT 10 1687 #define wait_on_command(command, iterations) { \ 1688 unsigned int n = iterations; \ 1689 while (--n && (command)) \ 1690 udelay(1); \ 1691 if (!n) \ 1692 dprintk("command failed at %s : %s (line %d)\n", \ 1693 __FILE__, __func__, __LINE__); \ 1694 } 1695 1696 static u8 sony_pic_call1(u8 dev) 1697 { 1698 u8 v1, v2; 1699 1700 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1701 ITERATIONS_LONG); 1702 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1703 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1704 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1705 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1706 return v2; 1707 } 1708 1709 static u8 sony_pic_call2(u8 dev, u8 fn) 1710 { 1711 u8 v1; 1712 1713 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1714 ITERATIONS_LONG); 1715 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1716 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1717 ITERATIONS_LONG); 1718 outb(fn, spic_dev.cur_ioport->io1.minimum); 1719 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1720 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1721 return v1; 1722 } 1723 1724 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1725 { 1726 u8 v1; 1727 1728 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1729 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1730 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1731 outb(fn, spic_dev.cur_ioport->io1.minimum); 1732 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1733 outb(v, spic_dev.cur_ioport->io1.minimum); 1734 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1735 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1736 dev, fn, v, v1); 1737 return v1; 1738 } 1739 1740 /* 1741 * minidrivers for SPIC models 1742 */ 1743 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1744 { 1745 /* 1746 * 0x31 could mean we have to take some extra action and wait for 1747 * the next irq for some Type3 models, it will generate a new 1748 * irq and we can read new data from the device: 1749 * - 0x5c and 0x5f requires 0xA0 1750 * - 0x61 requires 0xB3 1751 */ 1752 if (data_mask == 0x31) { 1753 if (ev == 0x5c || ev == 0x5f) 1754 sony_pic_call1(0xA0); 1755 else if (ev == 0x61) 1756 sony_pic_call1(0xB3); 1757 return 0; 1758 } 1759 return 1; 1760 } 1761 1762 static struct device_ctrl spic_types[] = { 1763 { 1764 .model = SONYPI_DEVICE_TYPE1, 1765 .handle_irq = NULL, 1766 .evport_offset = SONYPI_TYPE1_OFFSET, 1767 .event_types = type1_events, 1768 }, 1769 { 1770 .model = SONYPI_DEVICE_TYPE2, 1771 .handle_irq = NULL, 1772 .evport_offset = SONYPI_TYPE2_OFFSET, 1773 .event_types = type2_events, 1774 }, 1775 { 1776 .model = SONYPI_DEVICE_TYPE3, 1777 .handle_irq = type3_handle_irq, 1778 .evport_offset = SONYPI_TYPE3_OFFSET, 1779 .event_types = type3_events, 1780 }, 1781 }; 1782 1783 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 1784 { 1785 struct pci_dev *pcidev; 1786 1787 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1788 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 1789 if (pcidev) { 1790 dev->control = &spic_types[0]; 1791 goto out; 1792 } 1793 1794 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1795 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1796 if (pcidev) { 1797 dev->control = &spic_types[2]; 1798 goto out; 1799 } 1800 1801 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1802 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1803 if (pcidev) { 1804 dev->control = &spic_types[2]; 1805 goto out; 1806 } 1807 1808 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1809 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1810 if (pcidev) { 1811 dev->control = &spic_types[2]; 1812 goto out; 1813 } 1814 1815 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1816 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 1817 if (pcidev) { 1818 dev->control = &spic_types[2]; 1819 goto out; 1820 } 1821 1822 /* default */ 1823 dev->control = &spic_types[1]; 1824 1825 out: 1826 if (pcidev) 1827 pci_dev_put(pcidev); 1828 1829 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1830 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 : 1831 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1832 } 1833 1834 /* camera tests and poweron/poweroff */ 1835 #define SONYPI_CAMERA_PICTURE 5 1836 #define SONYPI_CAMERA_CONTROL 0x10 1837 1838 #define SONYPI_CAMERA_BRIGHTNESS 0 1839 #define SONYPI_CAMERA_CONTRAST 1 1840 #define SONYPI_CAMERA_HUE 2 1841 #define SONYPI_CAMERA_COLOR 3 1842 #define SONYPI_CAMERA_SHARPNESS 4 1843 1844 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1845 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1846 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1847 #define SONYPI_CAMERA_MUTE_MASK 0x40 1848 1849 /* the rest don't need a loop until not 0xff */ 1850 #define SONYPI_CAMERA_AGC 6 1851 #define SONYPI_CAMERA_AGC_MASK 0x30 1852 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1853 1854 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1855 #define SONYPI_CAMERA_CONTROL 0x10 1856 1857 #define SONYPI_CAMERA_STATUS 7 1858 #define SONYPI_CAMERA_STATUS_READY 0x2 1859 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1860 1861 #define SONYPI_DIRECTION_BACKWARDS 0x4 1862 1863 #define SONYPI_CAMERA_REVISION 8 1864 #define SONYPI_CAMERA_ROMVERSION 9 1865 1866 static int __sony_pic_camera_ready(void) 1867 { 1868 u8 v; 1869 1870 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1871 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1872 } 1873 1874 static int __sony_pic_camera_off(void) 1875 { 1876 if (!camera) { 1877 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1878 return -ENODEV; 1879 } 1880 1881 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1882 SONYPI_CAMERA_MUTE_MASK), 1883 ITERATIONS_SHORT); 1884 1885 if (spic_dev.camera_power) { 1886 sony_pic_call2(0x91, 0); 1887 spic_dev.camera_power = 0; 1888 } 1889 return 0; 1890 } 1891 1892 static int __sony_pic_camera_on(void) 1893 { 1894 int i, j, x; 1895 1896 if (!camera) { 1897 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1898 return -ENODEV; 1899 } 1900 1901 if (spic_dev.camera_power) 1902 return 0; 1903 1904 for (j = 5; j > 0; j--) { 1905 1906 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1907 msleep(10); 1908 sony_pic_call1(0x93); 1909 1910 for (i = 400; i > 0; i--) { 1911 if (__sony_pic_camera_ready()) 1912 break; 1913 msleep(10); 1914 } 1915 if (i) 1916 break; 1917 } 1918 1919 if (j == 0) { 1920 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1921 return -ENODEV; 1922 } 1923 1924 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1925 0x5a), 1926 ITERATIONS_SHORT); 1927 1928 spic_dev.camera_power = 1; 1929 return 0; 1930 } 1931 1932 /* External camera command (exported to the motion eye v4l driver) */ 1933 int sony_pic_camera_command(int command, u8 value) 1934 { 1935 if (!camera) 1936 return -EIO; 1937 1938 mutex_lock(&spic_dev.lock); 1939 1940 switch (command) { 1941 case SONY_PIC_COMMAND_SETCAMERA: 1942 if (value) 1943 __sony_pic_camera_on(); 1944 else 1945 __sony_pic_camera_off(); 1946 break; 1947 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1948 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1949 ITERATIONS_SHORT); 1950 break; 1951 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1952 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1953 ITERATIONS_SHORT); 1954 break; 1955 case SONY_PIC_COMMAND_SETCAMERAHUE: 1956 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1957 ITERATIONS_SHORT); 1958 break; 1959 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1960 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1961 ITERATIONS_SHORT); 1962 break; 1963 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1964 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1965 ITERATIONS_SHORT); 1966 break; 1967 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1968 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1969 ITERATIONS_SHORT); 1970 break; 1971 case SONY_PIC_COMMAND_SETCAMERAAGC: 1972 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1973 ITERATIONS_SHORT); 1974 break; 1975 default: 1976 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1977 command); 1978 break; 1979 } 1980 mutex_unlock(&spic_dev.lock); 1981 return 0; 1982 } 1983 EXPORT_SYMBOL(sony_pic_camera_command); 1984 1985 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 1986 static void __sony_pic_set_wwanpower(u8 state) 1987 { 1988 state = !!state; 1989 if (spic_dev.wwan_power == state) 1990 return; 1991 sony_pic_call2(0xB0, state); 1992 sony_pic_call1(0x82); 1993 spic_dev.wwan_power = state; 1994 } 1995 1996 static ssize_t sony_pic_wwanpower_store(struct device *dev, 1997 struct device_attribute *attr, 1998 const char *buffer, size_t count) 1999 { 2000 unsigned long value; 2001 if (count > 31) 2002 return -EINVAL; 2003 2004 value = simple_strtoul(buffer, NULL, 10); 2005 mutex_lock(&spic_dev.lock); 2006 __sony_pic_set_wwanpower(value); 2007 mutex_unlock(&spic_dev.lock); 2008 2009 return count; 2010 } 2011 2012 static ssize_t sony_pic_wwanpower_show(struct device *dev, 2013 struct device_attribute *attr, char *buffer) 2014 { 2015 ssize_t count; 2016 mutex_lock(&spic_dev.lock); 2017 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 2018 mutex_unlock(&spic_dev.lock); 2019 return count; 2020 } 2021 2022 /* bluetooth subsystem power state */ 2023 static void __sony_pic_set_bluetoothpower(u8 state) 2024 { 2025 state = !!state; 2026 if (spic_dev.bluetooth_power == state) 2027 return; 2028 sony_pic_call2(0x96, state); 2029 sony_pic_call1(0x82); 2030 spic_dev.bluetooth_power = state; 2031 } 2032 2033 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 2034 struct device_attribute *attr, 2035 const char *buffer, size_t count) 2036 { 2037 unsigned long value; 2038 if (count > 31) 2039 return -EINVAL; 2040 2041 value = simple_strtoul(buffer, NULL, 10); 2042 mutex_lock(&spic_dev.lock); 2043 __sony_pic_set_bluetoothpower(value); 2044 mutex_unlock(&spic_dev.lock); 2045 2046 return count; 2047 } 2048 2049 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 2050 struct device_attribute *attr, char *buffer) 2051 { 2052 ssize_t count = 0; 2053 mutex_lock(&spic_dev.lock); 2054 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2055 mutex_unlock(&spic_dev.lock); 2056 return count; 2057 } 2058 2059 /* fan speed */ 2060 /* FAN0 information (reverse engineered from ACPI tables) */ 2061 #define SONY_PIC_FAN0_STATUS 0x93 2062 static int sony_pic_set_fanspeed(unsigned long value) 2063 { 2064 return ec_write(SONY_PIC_FAN0_STATUS, value); 2065 } 2066 2067 static int sony_pic_get_fanspeed(u8 *value) 2068 { 2069 return ec_read(SONY_PIC_FAN0_STATUS, value); 2070 } 2071 2072 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2073 struct device_attribute *attr, 2074 const char *buffer, size_t count) 2075 { 2076 unsigned long value; 2077 if (count > 31) 2078 return -EINVAL; 2079 2080 value = simple_strtoul(buffer, NULL, 10); 2081 if (sony_pic_set_fanspeed(value)) 2082 return -EIO; 2083 2084 return count; 2085 } 2086 2087 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2088 struct device_attribute *attr, char *buffer) 2089 { 2090 u8 value = 0; 2091 if (sony_pic_get_fanspeed(&value)) 2092 return -EIO; 2093 2094 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2095 } 2096 2097 #define SPIC_ATTR(_name, _mode) \ 2098 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2099 _mode, sony_pic_## _name ##_show, \ 2100 sony_pic_## _name ##_store) 2101 2102 static SPIC_ATTR(bluetoothpower, 0644); 2103 static SPIC_ATTR(wwanpower, 0644); 2104 static SPIC_ATTR(fanspeed, 0644); 2105 2106 static struct attribute *spic_attributes[] = { 2107 &spic_attr_bluetoothpower.attr, 2108 &spic_attr_wwanpower.attr, 2109 &spic_attr_fanspeed.attr, 2110 NULL 2111 }; 2112 2113 static struct attribute_group spic_attribute_group = { 2114 .attrs = spic_attributes 2115 }; 2116 2117 /******** SONYPI compatibility **********/ 2118 #ifdef CONFIG_SONYPI_COMPAT 2119 2120 /* battery / brightness / temperature addresses */ 2121 #define SONYPI_BAT_FLAGS 0x81 2122 #define SONYPI_LCD_LIGHT 0x96 2123 #define SONYPI_BAT1_PCTRM 0xa0 2124 #define SONYPI_BAT1_LEFT 0xa2 2125 #define SONYPI_BAT1_MAXRT 0xa4 2126 #define SONYPI_BAT2_PCTRM 0xa8 2127 #define SONYPI_BAT2_LEFT 0xaa 2128 #define SONYPI_BAT2_MAXRT 0xac 2129 #define SONYPI_BAT1_MAXTK 0xb0 2130 #define SONYPI_BAT1_FULL 0xb2 2131 #define SONYPI_BAT2_MAXTK 0xb8 2132 #define SONYPI_BAT2_FULL 0xba 2133 #define SONYPI_TEMP_STATUS 0xC1 2134 2135 struct sonypi_compat_s { 2136 struct fasync_struct *fifo_async; 2137 struct kfifo *fifo; 2138 spinlock_t fifo_lock; 2139 wait_queue_head_t fifo_proc_list; 2140 atomic_t open_count; 2141 }; 2142 static struct sonypi_compat_s sonypi_compat = { 2143 .open_count = ATOMIC_INIT(0), 2144 }; 2145 2146 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2147 { 2148 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2149 } 2150 2151 static int sonypi_misc_release(struct inode *inode, struct file *file) 2152 { 2153 atomic_dec(&sonypi_compat.open_count); 2154 return 0; 2155 } 2156 2157 static int sonypi_misc_open(struct inode *inode, struct file *file) 2158 { 2159 /* Flush input queue on first open */ 2160 unsigned long flags; 2161 2162 spin_lock_irqsave(sonypi_compat.fifo->lock, flags); 2163 2164 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2165 __kfifo_reset(sonypi_compat.fifo); 2166 2167 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags); 2168 2169 return 0; 2170 } 2171 2172 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2173 size_t count, loff_t *pos) 2174 { 2175 ssize_t ret; 2176 unsigned char c; 2177 2178 if ((kfifo_len(sonypi_compat.fifo) == 0) && 2179 (file->f_flags & O_NONBLOCK)) 2180 return -EAGAIN; 2181 2182 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2183 kfifo_len(sonypi_compat.fifo) != 0); 2184 if (ret) 2185 return ret; 2186 2187 while (ret < count && 2188 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { 2189 if (put_user(c, buf++)) 2190 return -EFAULT; 2191 ret++; 2192 } 2193 2194 if (ret > 0) { 2195 struct inode *inode = file->f_path.dentry->d_inode; 2196 inode->i_atime = current_fs_time(inode->i_sb); 2197 } 2198 2199 return ret; 2200 } 2201 2202 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2203 { 2204 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2205 if (kfifo_len(sonypi_compat.fifo)) 2206 return POLLIN | POLLRDNORM; 2207 return 0; 2208 } 2209 2210 static int ec_read16(u8 addr, u16 *value) 2211 { 2212 u8 val_lb, val_hb; 2213 if (ec_read(addr, &val_lb)) 2214 return -1; 2215 if (ec_read(addr + 1, &val_hb)) 2216 return -1; 2217 *value = val_lb | (val_hb << 8); 2218 return 0; 2219 } 2220 2221 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2222 unsigned long arg) 2223 { 2224 int ret = 0; 2225 void __user *argp = (void __user *)arg; 2226 u8 val8; 2227 u16 val16; 2228 int value; 2229 2230 mutex_lock(&spic_dev.lock); 2231 switch (cmd) { 2232 case SONYPI_IOCGBRT: 2233 if (sony_backlight_device == NULL) { 2234 ret = -EIO; 2235 break; 2236 } 2237 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2238 ret = -EIO; 2239 break; 2240 } 2241 val8 = ((value & 0xff) - 1) << 5; 2242 if (copy_to_user(argp, &val8, sizeof(val8))) 2243 ret = -EFAULT; 2244 break; 2245 case SONYPI_IOCSBRT: 2246 if (sony_backlight_device == NULL) { 2247 ret = -EIO; 2248 break; 2249 } 2250 if (copy_from_user(&val8, argp, sizeof(val8))) { 2251 ret = -EFAULT; 2252 break; 2253 } 2254 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2255 (val8 >> 5) + 1, NULL)) { 2256 ret = -EIO; 2257 break; 2258 } 2259 /* sync the backlight device status */ 2260 sony_backlight_device->props.brightness = 2261 sony_backlight_get_brightness(sony_backlight_device); 2262 break; 2263 case SONYPI_IOCGBAT1CAP: 2264 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 2265 ret = -EIO; 2266 break; 2267 } 2268 if (copy_to_user(argp, &val16, sizeof(val16))) 2269 ret = -EFAULT; 2270 break; 2271 case SONYPI_IOCGBAT1REM: 2272 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 2273 ret = -EIO; 2274 break; 2275 } 2276 if (copy_to_user(argp, &val16, sizeof(val16))) 2277 ret = -EFAULT; 2278 break; 2279 case SONYPI_IOCGBAT2CAP: 2280 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2281 ret = -EIO; 2282 break; 2283 } 2284 if (copy_to_user(argp, &val16, sizeof(val16))) 2285 ret = -EFAULT; 2286 break; 2287 case SONYPI_IOCGBAT2REM: 2288 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2289 ret = -EIO; 2290 break; 2291 } 2292 if (copy_to_user(argp, &val16, sizeof(val16))) 2293 ret = -EFAULT; 2294 break; 2295 case SONYPI_IOCGBATFLAGS: 2296 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2297 ret = -EIO; 2298 break; 2299 } 2300 val8 &= 0x07; 2301 if (copy_to_user(argp, &val8, sizeof(val8))) 2302 ret = -EFAULT; 2303 break; 2304 case SONYPI_IOCGBLUE: 2305 val8 = spic_dev.bluetooth_power; 2306 if (copy_to_user(argp, &val8, sizeof(val8))) 2307 ret = -EFAULT; 2308 break; 2309 case SONYPI_IOCSBLUE: 2310 if (copy_from_user(&val8, argp, sizeof(val8))) { 2311 ret = -EFAULT; 2312 break; 2313 } 2314 __sony_pic_set_bluetoothpower(val8); 2315 break; 2316 /* FAN Controls */ 2317 case SONYPI_IOCGFAN: 2318 if (sony_pic_get_fanspeed(&val8)) { 2319 ret = -EIO; 2320 break; 2321 } 2322 if (copy_to_user(argp, &val8, sizeof(val8))) 2323 ret = -EFAULT; 2324 break; 2325 case SONYPI_IOCSFAN: 2326 if (copy_from_user(&val8, argp, sizeof(val8))) { 2327 ret = -EFAULT; 2328 break; 2329 } 2330 if (sony_pic_set_fanspeed(val8)) 2331 ret = -EIO; 2332 break; 2333 /* GET Temperature (useful under APM) */ 2334 case SONYPI_IOCGTEMP: 2335 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2336 ret = -EIO; 2337 break; 2338 } 2339 if (copy_to_user(argp, &val8, sizeof(val8))) 2340 ret = -EFAULT; 2341 break; 2342 default: 2343 ret = -EINVAL; 2344 } 2345 mutex_unlock(&spic_dev.lock); 2346 return ret; 2347 } 2348 2349 static const struct file_operations sonypi_misc_fops = { 2350 .owner = THIS_MODULE, 2351 .read = sonypi_misc_read, 2352 .poll = sonypi_misc_poll, 2353 .open = sonypi_misc_open, 2354 .release = sonypi_misc_release, 2355 .fasync = sonypi_misc_fasync, 2356 .unlocked_ioctl = sonypi_misc_ioctl, 2357 }; 2358 2359 static struct miscdevice sonypi_misc_device = { 2360 .minor = MISC_DYNAMIC_MINOR, 2361 .name = "sonypi", 2362 .fops = &sonypi_misc_fops, 2363 }; 2364 2365 static void sonypi_compat_report_event(u8 event) 2366 { 2367 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); 2368 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2369 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2370 } 2371 2372 static int sonypi_compat_init(void) 2373 { 2374 int error; 2375 2376 spin_lock_init(&sonypi_compat.fifo_lock); 2377 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 2378 &sonypi_compat.fifo_lock); 2379 if (IS_ERR(sonypi_compat.fifo)) { 2380 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2381 return PTR_ERR(sonypi_compat.fifo); 2382 } 2383 2384 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2385 2386 if (minor != -1) 2387 sonypi_misc_device.minor = minor; 2388 error = misc_register(&sonypi_misc_device); 2389 if (error) { 2390 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2391 goto err_free_kfifo; 2392 } 2393 if (minor == -1) 2394 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2395 sonypi_misc_device.minor); 2396 2397 return 0; 2398 2399 err_free_kfifo: 2400 kfifo_free(sonypi_compat.fifo); 2401 return error; 2402 } 2403 2404 static void sonypi_compat_exit(void) 2405 { 2406 misc_deregister(&sonypi_misc_device); 2407 kfifo_free(sonypi_compat.fifo); 2408 } 2409 #else 2410 static int sonypi_compat_init(void) { return 0; } 2411 static void sonypi_compat_exit(void) { } 2412 static void sonypi_compat_report_event(u8 event) { } 2413 #endif /* CONFIG_SONYPI_COMPAT */ 2414 2415 /* 2416 * ACPI callbacks 2417 */ 2418 static acpi_status 2419 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2420 { 2421 u32 i; 2422 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2423 2424 switch (resource->type) { 2425 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2426 { 2427 /* start IO enumeration */ 2428 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2429 if (!ioport) 2430 return AE_ERROR; 2431 2432 list_add(&ioport->list, &dev->ioports); 2433 return AE_OK; 2434 } 2435 2436 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2437 /* end IO enumeration */ 2438 return AE_OK; 2439 2440 case ACPI_RESOURCE_TYPE_IRQ: 2441 { 2442 struct acpi_resource_irq *p = &resource->data.irq; 2443 struct sony_pic_irq *interrupt = NULL; 2444 if (!p || !p->interrupt_count) { 2445 /* 2446 * IRQ descriptors may have no IRQ# bits set, 2447 * particularly those those w/ _STA disabled 2448 */ 2449 dprintk("Blank IRQ resource\n"); 2450 return AE_OK; 2451 } 2452 for (i = 0; i < p->interrupt_count; i++) { 2453 if (!p->interrupts[i]) { 2454 printk(KERN_WARNING DRV_PFX 2455 "Invalid IRQ %d\n", 2456 p->interrupts[i]); 2457 continue; 2458 } 2459 interrupt = kzalloc(sizeof(*interrupt), 2460 GFP_KERNEL); 2461 if (!interrupt) 2462 return AE_ERROR; 2463 2464 list_add(&interrupt->list, &dev->interrupts); 2465 interrupt->irq.triggering = p->triggering; 2466 interrupt->irq.polarity = p->polarity; 2467 interrupt->irq.sharable = p->sharable; 2468 interrupt->irq.interrupt_count = 1; 2469 interrupt->irq.interrupts[0] = p->interrupts[i]; 2470 } 2471 return AE_OK; 2472 } 2473 case ACPI_RESOURCE_TYPE_IO: 2474 { 2475 struct acpi_resource_io *io = &resource->data.io; 2476 struct sony_pic_ioport *ioport = 2477 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2478 if (!io) { 2479 dprintk("Blank IO resource\n"); 2480 return AE_OK; 2481 } 2482 2483 if (!ioport->io1.minimum) { 2484 memcpy(&ioport->io1, io, sizeof(*io)); 2485 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2486 ioport->io1.address_length); 2487 } 2488 else if (!ioport->io2.minimum) { 2489 memcpy(&ioport->io2, io, sizeof(*io)); 2490 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2491 ioport->io2.address_length); 2492 } 2493 else { 2494 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2495 return AE_ERROR; 2496 } 2497 return AE_OK; 2498 } 2499 default: 2500 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2501 resource->type); 2502 2503 case ACPI_RESOURCE_TYPE_END_TAG: 2504 return AE_OK; 2505 } 2506 return AE_CTRL_TERMINATE; 2507 } 2508 2509 static int sony_pic_possible_resources(struct acpi_device *device) 2510 { 2511 int result = 0; 2512 acpi_status status = AE_OK; 2513 2514 if (!device) 2515 return -EINVAL; 2516 2517 /* get device status */ 2518 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2519 dprintk("Evaluating _STA\n"); 2520 result = acpi_bus_get_status(device); 2521 if (result) { 2522 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2523 goto end; 2524 } 2525 2526 if (!device->status.enabled) 2527 dprintk("Device disabled\n"); 2528 else 2529 dprintk("Device enabled\n"); 2530 2531 /* 2532 * Query and parse 'method' 2533 */ 2534 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2535 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2536 sony_pic_read_possible_resource, &spic_dev); 2537 if (ACPI_FAILURE(status)) { 2538 printk(KERN_WARNING DRV_PFX 2539 "Failure evaluating %s\n", 2540 METHOD_NAME__PRS); 2541 result = -ENODEV; 2542 } 2543 end: 2544 return result; 2545 } 2546 2547 /* 2548 * Disable the spic device by calling its _DIS method 2549 */ 2550 static int sony_pic_disable(struct acpi_device *device) 2551 { 2552 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2553 NULL); 2554 2555 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2556 return -ENXIO; 2557 2558 dprintk("Device disabled\n"); 2559 return 0; 2560 } 2561 2562 2563 /* 2564 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2565 * 2566 * Call _SRS to set current resources 2567 */ 2568 static int sony_pic_enable(struct acpi_device *device, 2569 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2570 { 2571 acpi_status status; 2572 int result = 0; 2573 /* Type 1 resource layout is: 2574 * IO 2575 * IO 2576 * IRQNoFlags 2577 * End 2578 * 2579 * Type 2 and 3 resource layout is: 2580 * IO 2581 * IRQNoFlags 2582 * End 2583 */ 2584 struct { 2585 struct acpi_resource res1; 2586 struct acpi_resource res2; 2587 struct acpi_resource res3; 2588 struct acpi_resource res4; 2589 } *resource; 2590 struct acpi_buffer buffer = { 0, NULL }; 2591 2592 if (!ioport || !irq) 2593 return -EINVAL; 2594 2595 /* init acpi_buffer */ 2596 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2597 if (!resource) 2598 return -ENOMEM; 2599 2600 buffer.length = sizeof(*resource) + 1; 2601 buffer.pointer = resource; 2602 2603 /* setup Type 1 resources */ 2604 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) { 2605 2606 /* setup io resources */ 2607 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2608 resource->res1.length = sizeof(struct acpi_resource); 2609 memcpy(&resource->res1.data.io, &ioport->io1, 2610 sizeof(struct acpi_resource_io)); 2611 2612 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2613 resource->res2.length = sizeof(struct acpi_resource); 2614 memcpy(&resource->res2.data.io, &ioport->io2, 2615 sizeof(struct acpi_resource_io)); 2616 2617 /* setup irq resource */ 2618 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2619 resource->res3.length = sizeof(struct acpi_resource); 2620 memcpy(&resource->res3.data.irq, &irq->irq, 2621 sizeof(struct acpi_resource_irq)); 2622 /* we requested a shared irq */ 2623 resource->res3.data.irq.sharable = ACPI_SHARED; 2624 2625 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2626 2627 } 2628 /* setup Type 2/3 resources */ 2629 else { 2630 /* setup io resource */ 2631 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2632 resource->res1.length = sizeof(struct acpi_resource); 2633 memcpy(&resource->res1.data.io, &ioport->io1, 2634 sizeof(struct acpi_resource_io)); 2635 2636 /* setup irq resource */ 2637 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2638 resource->res2.length = sizeof(struct acpi_resource); 2639 memcpy(&resource->res2.data.irq, &irq->irq, 2640 sizeof(struct acpi_resource_irq)); 2641 /* we requested a shared irq */ 2642 resource->res2.data.irq.sharable = ACPI_SHARED; 2643 2644 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2645 } 2646 2647 /* Attempt to set the resource */ 2648 dprintk("Evaluating _SRS\n"); 2649 status = acpi_set_current_resources(device->handle, &buffer); 2650 2651 /* check for total failure */ 2652 if (ACPI_FAILURE(status)) { 2653 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2654 result = -ENODEV; 2655 goto end; 2656 } 2657 2658 /* Necessary device initializations calls (from sonypi) */ 2659 sony_pic_call1(0x82); 2660 sony_pic_call2(0x81, 0xff); 2661 sony_pic_call1(compat ? 0x92 : 0x82); 2662 2663 end: 2664 kfree(resource); 2665 return result; 2666 } 2667 2668 /***************** 2669 * 2670 * ISR: some event is available 2671 * 2672 *****************/ 2673 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2674 { 2675 int i, j; 2676 u8 ev = 0; 2677 u8 data_mask = 0; 2678 u8 device_event = 0; 2679 2680 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2681 2682 ev = inb_p(dev->cur_ioport->io1.minimum); 2683 if (dev->cur_ioport->io2.minimum) 2684 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2685 else 2686 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2687 dev->control->evport_offset); 2688 2689 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2690 ev, data_mask, dev->cur_ioport->io1.minimum, 2691 dev->control->evport_offset); 2692 2693 if (ev == 0x00 || ev == 0xff) 2694 return IRQ_HANDLED; 2695 2696 for (i = 0; dev->control->event_types[i].mask; i++) { 2697 2698 if ((data_mask & dev->control->event_types[i].data) != 2699 dev->control->event_types[i].data) 2700 continue; 2701 2702 if (!(mask & dev->control->event_types[i].mask)) 2703 continue; 2704 2705 for (j = 0; dev->control->event_types[i].events[j].event; j++) { 2706 if (ev == dev->control->event_types[i].events[j].data) { 2707 device_event = 2708 dev->control-> 2709 event_types[i].events[j].event; 2710 goto found; 2711 } 2712 } 2713 } 2714 /* Still not able to decode the event try to pass 2715 * it over to the minidriver 2716 */ 2717 if (dev->control->handle_irq && 2718 dev->control->handle_irq(data_mask, ev) == 0) 2719 return IRQ_HANDLED; 2720 2721 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2722 ev, data_mask, dev->cur_ioport->io1.minimum, 2723 dev->control->evport_offset); 2724 return IRQ_HANDLED; 2725 2726 found: 2727 sony_laptop_report_input_event(device_event); 2728 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2729 sonypi_compat_report_event(device_event); 2730 2731 return IRQ_HANDLED; 2732 } 2733 2734 /***************** 2735 * 2736 * ACPI driver 2737 * 2738 *****************/ 2739 static int sony_pic_remove(struct acpi_device *device, int type) 2740 { 2741 struct sony_pic_ioport *io, *tmp_io; 2742 struct sony_pic_irq *irq, *tmp_irq; 2743 2744 if (sony_pic_disable(device)) { 2745 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2746 return -ENXIO; 2747 } 2748 2749 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2750 release_region(spic_dev.cur_ioport->io1.minimum, 2751 spic_dev.cur_ioport->io1.address_length); 2752 if (spic_dev.cur_ioport->io2.minimum) 2753 release_region(spic_dev.cur_ioport->io2.minimum, 2754 spic_dev.cur_ioport->io2.address_length); 2755 2756 sonypi_compat_exit(); 2757 2758 sony_laptop_remove_input(); 2759 2760 /* pf attrs */ 2761 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2762 sony_pf_remove(); 2763 2764 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2765 list_del(&io->list); 2766 kfree(io); 2767 } 2768 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2769 list_del(&irq->list); 2770 kfree(irq); 2771 } 2772 spic_dev.cur_ioport = NULL; 2773 spic_dev.cur_irq = NULL; 2774 2775 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2776 return 0; 2777 } 2778 2779 static int sony_pic_add(struct acpi_device *device) 2780 { 2781 int result; 2782 struct sony_pic_ioport *io, *tmp_io; 2783 struct sony_pic_irq *irq, *tmp_irq; 2784 2785 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2786 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2787 2788 spic_dev.acpi_dev = device; 2789 strcpy(acpi_device_class(device), "sony/hotkey"); 2790 sony_pic_detect_device_type(&spic_dev); 2791 mutex_init(&spic_dev.lock); 2792 2793 /* read _PRS resources */ 2794 result = sony_pic_possible_resources(device); 2795 if (result) { 2796 printk(KERN_ERR DRV_PFX 2797 "Unable to read possible resources.\n"); 2798 goto err_free_resources; 2799 } 2800 2801 /* setup input devices and helper fifo */ 2802 result = sony_laptop_setup_input(device); 2803 if (result) { 2804 printk(KERN_ERR DRV_PFX 2805 "Unable to create input devices.\n"); 2806 goto err_free_resources; 2807 } 2808 2809 if (sonypi_compat_init()) 2810 goto err_remove_input; 2811 2812 /* request io port */ 2813 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2814 if (request_region(io->io1.minimum, io->io1.address_length, 2815 "Sony Programable I/O Device")) { 2816 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2817 io->io1.minimum, io->io1.maximum, 2818 io->io1.address_length); 2819 /* Type 1 have 2 ioports */ 2820 if (io->io2.minimum) { 2821 if (request_region(io->io2.minimum, 2822 io->io2.address_length, 2823 "Sony Programable I/O Device")) { 2824 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2825 io->io2.minimum, io->io2.maximum, 2826 io->io2.address_length); 2827 spic_dev.cur_ioport = io; 2828 break; 2829 } 2830 else { 2831 dprintk("Unable to get I/O port2: " 2832 "0x%.4x (0x%.4x) + 0x%.2x\n", 2833 io->io2.minimum, io->io2.maximum, 2834 io->io2.address_length); 2835 release_region(io->io1.minimum, 2836 io->io1.address_length); 2837 } 2838 } 2839 else { 2840 spic_dev.cur_ioport = io; 2841 break; 2842 } 2843 } 2844 } 2845 if (!spic_dev.cur_ioport) { 2846 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2847 result = -ENODEV; 2848 goto err_remove_compat; 2849 } 2850 2851 /* request IRQ */ 2852 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2853 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2854 IRQF_SHARED, "sony-laptop", &spic_dev)) { 2855 dprintk("IRQ: %d - triggering: %d - " 2856 "polarity: %d - shr: %d\n", 2857 irq->irq.interrupts[0], 2858 irq->irq.triggering, 2859 irq->irq.polarity, 2860 irq->irq.sharable); 2861 spic_dev.cur_irq = irq; 2862 break; 2863 } 2864 } 2865 if (!spic_dev.cur_irq) { 2866 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2867 result = -ENODEV; 2868 goto err_release_region; 2869 } 2870 2871 /* set resource status _SRS */ 2872 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2873 if (result) { 2874 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2875 goto err_free_irq; 2876 } 2877 2878 spic_dev.bluetooth_power = -1; 2879 /* create device attributes */ 2880 result = sony_pf_add(); 2881 if (result) 2882 goto err_disable_device; 2883 2884 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2885 if (result) 2886 goto err_remove_pf; 2887 2888 return 0; 2889 2890 err_remove_pf: 2891 sony_pf_remove(); 2892 2893 err_disable_device: 2894 sony_pic_disable(device); 2895 2896 err_free_irq: 2897 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2898 2899 err_release_region: 2900 release_region(spic_dev.cur_ioport->io1.minimum, 2901 spic_dev.cur_ioport->io1.address_length); 2902 if (spic_dev.cur_ioport->io2.minimum) 2903 release_region(spic_dev.cur_ioport->io2.minimum, 2904 spic_dev.cur_ioport->io2.address_length); 2905 2906 err_remove_compat: 2907 sonypi_compat_exit(); 2908 2909 err_remove_input: 2910 sony_laptop_remove_input(); 2911 2912 err_free_resources: 2913 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2914 list_del(&io->list); 2915 kfree(io); 2916 } 2917 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2918 list_del(&irq->list); 2919 kfree(irq); 2920 } 2921 spic_dev.cur_ioport = NULL; 2922 spic_dev.cur_irq = NULL; 2923 2924 return result; 2925 } 2926 2927 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2928 { 2929 if (sony_pic_disable(device)) 2930 return -ENXIO; 2931 return 0; 2932 } 2933 2934 static int sony_pic_resume(struct acpi_device *device) 2935 { 2936 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2937 return 0; 2938 } 2939 2940 static const struct acpi_device_id sony_pic_device_ids[] = { 2941 {SONY_PIC_HID, 0}, 2942 {"", 0}, 2943 }; 2944 2945 static struct acpi_driver sony_pic_driver = { 2946 .name = SONY_PIC_DRIVER_NAME, 2947 .class = SONY_PIC_CLASS, 2948 .ids = sony_pic_device_ids, 2949 .owner = THIS_MODULE, 2950 .ops = { 2951 .add = sony_pic_add, 2952 .remove = sony_pic_remove, 2953 .suspend = sony_pic_suspend, 2954 .resume = sony_pic_resume, 2955 }, 2956 }; 2957 2958 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2959 { 2960 .ident = "Sony Vaio", 2961 .matches = { 2962 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2963 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2964 }, 2965 }, 2966 { 2967 .ident = "Sony Vaio", 2968 .matches = { 2969 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2970 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2971 }, 2972 }, 2973 { } 2974 }; 2975 2976 static int __init sony_laptop_init(void) 2977 { 2978 int result; 2979 2980 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2981 result = acpi_bus_register_driver(&sony_pic_driver); 2982 if (result) { 2983 printk(KERN_ERR DRV_PFX 2984 "Unable to register SPIC driver."); 2985 goto out; 2986 } 2987 } 2988 2989 result = acpi_bus_register_driver(&sony_nc_driver); 2990 if (result) { 2991 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 2992 goto out_unregister_pic; 2993 } 2994 2995 return 0; 2996 2997 out_unregister_pic: 2998 if (!no_spic) 2999 acpi_bus_unregister_driver(&sony_pic_driver); 3000 out: 3001 return result; 3002 } 3003 3004 static void __exit sony_laptop_exit(void) 3005 { 3006 acpi_bus_unregister_driver(&sony_nc_driver); 3007 if (!no_spic) 3008 acpi_bus_unregister_driver(&sony_pic_driver); 3009 } 3010 3011 module_init(sony_laptop_init); 3012 module_exit(sony_laptop_exit); 3013