1 /* 2 * ACPI Sony Notebook Control Driver (SNC and SPIC) 3 * 4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 6 * 7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 8 * which are copyrighted by their respective authors. 9 * 10 * The SNY6001 driver part is based on the sonypi driver which includes 11 * material from: 12 * 13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 14 * 15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 16 * 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 18 * 19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 20 * 21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 22 * 23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 24 * 25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 26 * 27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 42 * 43 */ 44 45 #include <linux/kernel.h> 46 #include <linux/module.h> 47 #include <linux/moduleparam.h> 48 #include <linux/init.h> 49 #include <linux/types.h> 50 #include <linux/backlight.h> 51 #include <linux/platform_device.h> 52 #include <linux/err.h> 53 #include <linux/dmi.h> 54 #include <linux/pci.h> 55 #include <linux/interrupt.h> 56 #include <linux/delay.h> 57 #include <linux/input.h> 58 #include <linux/kfifo.h> 59 #include <linux/workqueue.h> 60 #include <linux/acpi.h> 61 #include <linux/slab.h> 62 #include <acpi/acpi_drivers.h> 63 #include <acpi/acpi_bus.h> 64 #include <asm/uaccess.h> 65 #include <linux/sonypi.h> 66 #include <linux/sony-laptop.h> 67 #include <linux/rfkill.h> 68 #ifdef CONFIG_SONYPI_COMPAT 69 #include <linux/poll.h> 70 #include <linux/miscdevice.h> 71 #endif 72 73 #define DRV_PFX "sony-laptop: " 74 #define dprintk(msg...) do { \ 75 if (debug) printk(KERN_WARNING DRV_PFX msg); \ 76 } while (0) 77 78 #define SONY_LAPTOP_DRIVER_VERSION "0.6" 79 80 #define SONY_NC_CLASS "sony-nc" 81 #define SONY_NC_HID "SNY5001" 82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 83 84 #define SONY_PIC_CLASS "sony-pic" 85 #define SONY_PIC_HID "SNY6001" 86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 87 88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 90 MODULE_LICENSE("GPL"); 91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); 92 93 static int debug; 94 module_param(debug, int, 0); 95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 96 "the development of this driver"); 97 98 static int no_spic; /* = 0 */ 99 module_param(no_spic, int, 0444); 100 MODULE_PARM_DESC(no_spic, 101 "set this if you don't want to enable the SPIC device"); 102 103 static int compat; /* = 0 */ 104 module_param(compat, int, 0444); 105 MODULE_PARM_DESC(compat, 106 "set this if you want to enable backward compatibility mode"); 107 108 static unsigned long mask = 0xffffffff; 109 module_param(mask, ulong, 0644); 110 MODULE_PARM_DESC(mask, 111 "set this to the mask of event you want to enable (see doc)"); 112 113 static int camera; /* = 0 */ 114 module_param(camera, int, 0444); 115 MODULE_PARM_DESC(camera, 116 "set this to 1 to enable Motion Eye camera controls " 117 "(only use it if you have a C1VE or C1VN model)"); 118 119 #ifdef CONFIG_SONYPI_COMPAT 120 static int minor = -1; 121 module_param(minor, int, 0); 122 MODULE_PARM_DESC(minor, 123 "minor number of the misc device for the SPIC compatibility code, " 124 "default is -1 (automatic)"); 125 #endif 126 127 enum sony_nc_rfkill { 128 SONY_WIFI, 129 SONY_BLUETOOTH, 130 SONY_WWAN, 131 SONY_WIMAX, 132 N_SONY_RFKILL, 133 }; 134 135 static int sony_rfkill_handle; 136 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 137 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 138 static void sony_nc_rfkill_update(void); 139 140 /*********** Input Devices ***********/ 141 142 #define SONY_LAPTOP_BUF_SIZE 128 143 struct sony_laptop_input_s { 144 atomic_t users; 145 struct input_dev *jog_dev; 146 struct input_dev *key_dev; 147 struct kfifo fifo; 148 spinlock_t fifo_lock; 149 struct timer_list release_key_timer; 150 }; 151 152 static struct sony_laptop_input_s sony_laptop_input = { 153 .users = ATOMIC_INIT(0), 154 }; 155 156 struct sony_laptop_keypress { 157 struct input_dev *dev; 158 int key; 159 }; 160 161 /* Correspondance table between sonypi events 162 * and input layer indexes in the keymap 163 */ 164 static int sony_laptop_input_index[] = { 165 -1, /* 0 no event */ 166 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 167 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 168 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 169 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 170 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 171 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 172 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 173 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 174 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 175 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 176 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 177 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 178 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 179 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 180 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 181 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 182 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 183 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 184 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 185 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 186 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 187 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 188 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 189 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 190 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 191 19, /* 26 SONYPI_EVENT_FNKEY_D */ 192 20, /* 27 SONYPI_EVENT_FNKEY_E */ 193 21, /* 28 SONYPI_EVENT_FNKEY_F */ 194 22, /* 29 SONYPI_EVENT_FNKEY_S */ 195 23, /* 30 SONYPI_EVENT_FNKEY_B */ 196 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 197 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 198 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 199 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 200 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 201 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 202 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 203 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 204 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 205 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 206 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 207 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 208 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 209 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 210 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 211 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 212 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 213 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 214 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 215 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 216 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 217 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 218 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 219 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 220 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 221 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 222 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 223 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 224 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 225 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 226 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 227 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 228 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 229 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 230 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 231 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 232 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 233 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 234 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 235 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 236 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 237 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 238 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 239 }; 240 241 static int sony_laptop_input_keycode_map[] = { 242 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 243 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 244 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 245 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 246 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 247 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 248 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 249 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 250 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 251 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 252 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 253 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 254 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 255 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 256 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 257 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 258 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 259 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ 260 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ 261 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 262 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 263 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 264 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 265 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 266 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 267 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 268 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 269 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 270 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 271 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 272 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 273 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 274 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 275 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 276 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 277 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 278 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 279 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 280 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 281 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 282 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 283 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 284 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 285 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 286 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 287 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 288 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 289 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 290 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 291 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 292 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 293 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 294 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 295 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 296 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 297 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 298 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 299 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 300 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 301 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 302 }; 303 304 /* release buttons after a short delay if pressed */ 305 static void do_sony_laptop_release_key(unsigned long unused) 306 { 307 struct sony_laptop_keypress kp; 308 unsigned long flags; 309 310 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 311 312 if (kfifo_out(&sony_laptop_input.fifo, 313 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 314 input_report_key(kp.dev, kp.key, 0); 315 input_sync(kp.dev); 316 } 317 318 /* If there is something in the fifo schedule next release. */ 319 if (kfifo_len(&sony_laptop_input.fifo) != 0) 320 mod_timer(&sony_laptop_input.release_key_timer, 321 jiffies + msecs_to_jiffies(10)); 322 323 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 324 } 325 326 /* forward event to the input subsystem */ 327 static void sony_laptop_report_input_event(u8 event) 328 { 329 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 330 struct input_dev *key_dev = sony_laptop_input.key_dev; 331 struct sony_laptop_keypress kp = { NULL }; 332 333 if (event == SONYPI_EVENT_FNKEY_RELEASED || 334 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 335 /* Nothing, not all VAIOs generate this event */ 336 return; 337 } 338 339 /* report events */ 340 switch (event) { 341 /* jog_dev events */ 342 case SONYPI_EVENT_JOGDIAL_UP: 343 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 344 input_report_rel(jog_dev, REL_WHEEL, 1); 345 input_sync(jog_dev); 346 return; 347 348 case SONYPI_EVENT_JOGDIAL_DOWN: 349 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 350 input_report_rel(jog_dev, REL_WHEEL, -1); 351 input_sync(jog_dev); 352 return; 353 354 /* key_dev events */ 355 case SONYPI_EVENT_JOGDIAL_PRESSED: 356 kp.key = BTN_MIDDLE; 357 kp.dev = jog_dev; 358 break; 359 360 default: 361 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 362 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 363 break; 364 } 365 if (sony_laptop_input_index[event] != -1) { 366 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; 367 if (kp.key != KEY_UNKNOWN) 368 kp.dev = key_dev; 369 } 370 break; 371 } 372 373 if (kp.dev) { 374 input_report_key(kp.dev, kp.key, 1); 375 /* we emit the scancode so we can always remap the key */ 376 input_event(kp.dev, EV_MSC, MSC_SCAN, event); 377 input_sync(kp.dev); 378 379 /* schedule key release */ 380 kfifo_in_locked(&sony_laptop_input.fifo, 381 (unsigned char *)&kp, sizeof(kp), 382 &sony_laptop_input.fifo_lock); 383 mod_timer(&sony_laptop_input.release_key_timer, 384 jiffies + msecs_to_jiffies(10)); 385 } else 386 dprintk("unknown input event %.2x\n", event); 387 } 388 389 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 390 { 391 struct input_dev *jog_dev; 392 struct input_dev *key_dev; 393 int i; 394 int error; 395 396 /* don't run again if already initialized */ 397 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 398 return 0; 399 400 /* kfifo */ 401 spin_lock_init(&sony_laptop_input.fifo_lock); 402 error = kfifo_alloc(&sony_laptop_input.fifo, 403 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 404 if (error) { 405 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 406 goto err_dec_users; 407 } 408 409 setup_timer(&sony_laptop_input.release_key_timer, 410 do_sony_laptop_release_key, 0); 411 412 /* input keys */ 413 key_dev = input_allocate_device(); 414 if (!key_dev) { 415 error = -ENOMEM; 416 goto err_free_kfifo; 417 } 418 419 key_dev->name = "Sony Vaio Keys"; 420 key_dev->id.bustype = BUS_ISA; 421 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 422 key_dev->dev.parent = &acpi_device->dev; 423 424 /* Initialize the Input Drivers: special keys */ 425 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 426 427 __set_bit(EV_KEY, key_dev->evbit); 428 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 429 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 430 key_dev->keycode = &sony_laptop_input_keycode_map; 431 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 432 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 433 __clear_bit(KEY_RESERVED, key_dev->keybit); 434 435 error = input_register_device(key_dev); 436 if (error) 437 goto err_free_keydev; 438 439 sony_laptop_input.key_dev = key_dev; 440 441 /* jogdial */ 442 jog_dev = input_allocate_device(); 443 if (!jog_dev) { 444 error = -ENOMEM; 445 goto err_unregister_keydev; 446 } 447 448 jog_dev->name = "Sony Vaio Jogdial"; 449 jog_dev->id.bustype = BUS_ISA; 450 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 451 key_dev->dev.parent = &acpi_device->dev; 452 453 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 454 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 455 456 error = input_register_device(jog_dev); 457 if (error) 458 goto err_free_jogdev; 459 460 sony_laptop_input.jog_dev = jog_dev; 461 462 return 0; 463 464 err_free_jogdev: 465 input_free_device(jog_dev); 466 467 err_unregister_keydev: 468 input_unregister_device(key_dev); 469 /* to avoid kref underflow below at input_free_device */ 470 key_dev = NULL; 471 472 err_free_keydev: 473 input_free_device(key_dev); 474 475 err_free_kfifo: 476 kfifo_free(&sony_laptop_input.fifo); 477 478 err_dec_users: 479 atomic_dec(&sony_laptop_input.users); 480 return error; 481 } 482 483 static void sony_laptop_remove_input(void) 484 { 485 struct sony_laptop_keypress kp = { NULL }; 486 487 /* Cleanup only after the last user has gone */ 488 if (!atomic_dec_and_test(&sony_laptop_input.users)) 489 return; 490 491 del_timer_sync(&sony_laptop_input.release_key_timer); 492 493 /* 494 * Generate key-up events for remaining keys. Note that we don't 495 * need locking since nobody is adding new events to the kfifo. 496 */ 497 while (kfifo_out(&sony_laptop_input.fifo, 498 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 499 input_report_key(kp.dev, kp.key, 0); 500 input_sync(kp.dev); 501 } 502 503 /* destroy input devs */ 504 input_unregister_device(sony_laptop_input.key_dev); 505 sony_laptop_input.key_dev = NULL; 506 507 if (sony_laptop_input.jog_dev) { 508 input_unregister_device(sony_laptop_input.jog_dev); 509 sony_laptop_input.jog_dev = NULL; 510 } 511 512 kfifo_free(&sony_laptop_input.fifo); 513 } 514 515 /*********** Platform Device ***********/ 516 517 static atomic_t sony_pf_users = ATOMIC_INIT(0); 518 static struct platform_driver sony_pf_driver = { 519 .driver = { 520 .name = "sony-laptop", 521 .owner = THIS_MODULE, 522 } 523 }; 524 static struct platform_device *sony_pf_device; 525 526 static int sony_pf_add(void) 527 { 528 int ret = 0; 529 530 /* don't run again if already initialized */ 531 if (atomic_add_return(1, &sony_pf_users) > 1) 532 return 0; 533 534 ret = platform_driver_register(&sony_pf_driver); 535 if (ret) 536 goto out; 537 538 sony_pf_device = platform_device_alloc("sony-laptop", -1); 539 if (!sony_pf_device) { 540 ret = -ENOMEM; 541 goto out_platform_registered; 542 } 543 544 ret = platform_device_add(sony_pf_device); 545 if (ret) 546 goto out_platform_alloced; 547 548 return 0; 549 550 out_platform_alloced: 551 platform_device_put(sony_pf_device); 552 sony_pf_device = NULL; 553 out_platform_registered: 554 platform_driver_unregister(&sony_pf_driver); 555 out: 556 atomic_dec(&sony_pf_users); 557 return ret; 558 } 559 560 static void sony_pf_remove(void) 561 { 562 /* deregister only after the last user has gone */ 563 if (!atomic_dec_and_test(&sony_pf_users)) 564 return; 565 566 platform_device_unregister(sony_pf_device); 567 platform_driver_unregister(&sony_pf_driver); 568 } 569 570 /*********** SNC (SNY5001) Device ***********/ 571 572 /* the device uses 1-based values, while the backlight subsystem uses 573 0-based values */ 574 #define SONY_MAX_BRIGHTNESS 8 575 576 #define SNC_VALIDATE_IN 0 577 #define SNC_VALIDATE_OUT 1 578 579 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 580 char *); 581 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 582 const char *, size_t); 583 static int boolean_validate(const int, const int); 584 static int brightness_default_validate(const int, const int); 585 586 struct sony_nc_value { 587 char *name; /* name of the entry */ 588 char **acpiget; /* names of the ACPI get function */ 589 char **acpiset; /* names of the ACPI set function */ 590 int (*validate)(const int, const int); /* input/output validation */ 591 int value; /* current setting */ 592 int valid; /* Has ever been set */ 593 int debug; /* active only in debug mode ? */ 594 struct device_attribute devattr; /* sysfs atribute */ 595 }; 596 597 #define SNC_HANDLE_NAMES(_name, _values...) \ 598 static char *snc_##_name[] = { _values, NULL } 599 600 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 601 { \ 602 .name = __stringify(_name), \ 603 .acpiget = _getters, \ 604 .acpiset = _setters, \ 605 .validate = _validate, \ 606 .debug = _debug, \ 607 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 608 } 609 610 #define SNC_HANDLE_NULL { .name = NULL } 611 612 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 613 614 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 615 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 616 617 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 618 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 619 620 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 621 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 622 623 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 624 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 625 626 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 627 628 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 629 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 630 631 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 632 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 633 634 SNC_HANDLE_NAMES(PID_get, "GPID"); 635 636 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 637 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 638 639 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 640 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 641 642 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 643 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 644 645 static struct sony_nc_value sony_nc_values[] = { 646 SNC_HANDLE(brightness_default, snc_brightness_def_get, 647 snc_brightness_def_set, brightness_default_validate, 0), 648 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 649 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 650 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 651 boolean_validate, 0), 652 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 653 boolean_validate, 1), 654 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 655 boolean_validate, 0), 656 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 657 boolean_validate, 0), 658 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 659 boolean_validate, 0), 660 /* unknown methods */ 661 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 662 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 663 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 664 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 665 SNC_HANDLE_NULL 666 }; 667 668 static acpi_handle sony_nc_acpi_handle; 669 static struct acpi_device *sony_nc_acpi_device = NULL; 670 671 /* 672 * acpi_evaluate_object wrappers 673 */ 674 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) 675 { 676 struct acpi_buffer output; 677 union acpi_object out_obj; 678 acpi_status status; 679 680 output.length = sizeof(out_obj); 681 output.pointer = &out_obj; 682 683 status = acpi_evaluate_object(handle, name, NULL, &output); 684 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { 685 *result = out_obj.integer.value; 686 return 0; 687 } 688 689 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); 690 691 return -1; 692 } 693 694 static int acpi_callsetfunc(acpi_handle handle, char *name, int value, 695 int *result) 696 { 697 struct acpi_object_list params; 698 union acpi_object in_obj; 699 struct acpi_buffer output; 700 union acpi_object out_obj; 701 acpi_status status; 702 703 params.count = 1; 704 params.pointer = &in_obj; 705 in_obj.type = ACPI_TYPE_INTEGER; 706 in_obj.integer.value = value; 707 708 output.length = sizeof(out_obj); 709 output.pointer = &out_obj; 710 711 status = acpi_evaluate_object(handle, name, ¶ms, &output); 712 if (status == AE_OK) { 713 if (result != NULL) { 714 if (out_obj.type != ACPI_TYPE_INTEGER) { 715 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " 716 "return type\n"); 717 return -1; 718 } 719 *result = out_obj.integer.value; 720 } 721 return 0; 722 } 723 724 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); 725 726 return -1; 727 } 728 729 static int sony_find_snc_handle(int handle) 730 { 731 int i; 732 int result; 733 734 for (i = 0x20; i < 0x30; i++) { 735 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result); 736 if (result == handle) 737 return i-0x20; 738 } 739 740 return -1; 741 } 742 743 static int sony_call_snc_handle(int handle, int argument, int *result) 744 { 745 int offset = sony_find_snc_handle(handle); 746 747 if (offset < 0) 748 return -1; 749 750 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, 751 result); 752 } 753 754 /* 755 * sony_nc_values input/output validate functions 756 */ 757 758 /* brightness_default_validate: 759 * 760 * manipulate input output values to keep consistency with the 761 * backlight framework for which brightness values are 0-based. 762 */ 763 static int brightness_default_validate(const int direction, const int value) 764 { 765 switch (direction) { 766 case SNC_VALIDATE_OUT: 767 return value - 1; 768 case SNC_VALIDATE_IN: 769 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 770 return value + 1; 771 } 772 return -EINVAL; 773 } 774 775 /* boolean_validate: 776 * 777 * on input validate boolean values 0/1, on output just pass the 778 * received value. 779 */ 780 static int boolean_validate(const int direction, const int value) 781 { 782 if (direction == SNC_VALIDATE_IN) { 783 if (value != 0 && value != 1) 784 return -EINVAL; 785 } 786 return value; 787 } 788 789 /* 790 * Sysfs show/store common to all sony_nc_values 791 */ 792 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 793 char *buffer) 794 { 795 int value; 796 struct sony_nc_value *item = 797 container_of(attr, struct sony_nc_value, devattr); 798 799 if (!*item->acpiget) 800 return -EIO; 801 802 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) 803 return -EIO; 804 805 if (item->validate) 806 value = item->validate(SNC_VALIDATE_OUT, value); 807 808 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 809 } 810 811 static ssize_t sony_nc_sysfs_store(struct device *dev, 812 struct device_attribute *attr, 813 const char *buffer, size_t count) 814 { 815 int value; 816 struct sony_nc_value *item = 817 container_of(attr, struct sony_nc_value, devattr); 818 819 if (!item->acpiset) 820 return -EIO; 821 822 if (count > 31) 823 return -EINVAL; 824 825 value = simple_strtoul(buffer, NULL, 10); 826 827 if (item->validate) 828 value = item->validate(SNC_VALIDATE_IN, value); 829 830 if (value < 0) 831 return value; 832 833 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) 834 return -EIO; 835 item->value = value; 836 item->valid = 1; 837 return count; 838 } 839 840 841 /* 842 * Backlight device 843 */ 844 static int sony_backlight_update_status(struct backlight_device *bd) 845 { 846 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 847 bd->props.brightness + 1, NULL); 848 } 849 850 static int sony_backlight_get_brightness(struct backlight_device *bd) 851 { 852 int value; 853 854 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) 855 return 0; 856 /* brightness levels are 1-based, while backlight ones are 0-based */ 857 return value - 1; 858 } 859 860 static struct backlight_device *sony_backlight_device; 861 static const struct backlight_ops sony_backlight_ops = { 862 .update_status = sony_backlight_update_status, 863 .get_brightness = sony_backlight_get_brightness, 864 }; 865 866 /* 867 * New SNC-only Vaios event mapping to driver known keys 868 */ 869 struct sony_nc_event { 870 u8 data; 871 u8 event; 872 }; 873 874 static struct sony_nc_event sony_100_events[] = { 875 { 0x90, SONYPI_EVENT_PKEY_P1 }, 876 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 877 { 0x91, SONYPI_EVENT_PKEY_P2 }, 878 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 879 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 880 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 881 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 882 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 883 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 884 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 885 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 886 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 887 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 888 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 889 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 890 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 891 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 892 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 893 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 894 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 895 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 896 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 897 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 898 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 899 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 900 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 901 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 902 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 903 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 904 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 905 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 906 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 907 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 908 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 909 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 910 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 911 { 0, 0 }, 912 }; 913 914 static struct sony_nc_event sony_127_events[] = { 915 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 916 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 917 { 0x82, SONYPI_EVENT_PKEY_P1 }, 918 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 919 { 0x83, SONYPI_EVENT_PKEY_P2 }, 920 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 921 { 0x84, SONYPI_EVENT_PKEY_P3 }, 922 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 923 { 0x85, SONYPI_EVENT_PKEY_P4 }, 924 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 925 { 0x86, SONYPI_EVENT_PKEY_P5 }, 926 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 927 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 928 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 929 { 0, 0 }, 930 }; 931 932 /* 933 * ACPI callbacks 934 */ 935 static void sony_nc_notify(struct acpi_device *device, u32 event) 936 { 937 u32 ev = event; 938 939 if (ev >= 0x90) { 940 /* New-style event */ 941 int result; 942 int key_handle = 0; 943 ev -= 0x90; 944 945 if (sony_find_snc_handle(0x100) == ev) 946 key_handle = 0x100; 947 if (sony_find_snc_handle(0x127) == ev) 948 key_handle = 0x127; 949 950 if (key_handle) { 951 struct sony_nc_event *key_event; 952 953 if (sony_call_snc_handle(key_handle, 0x200, &result)) { 954 dprintk("sony_nc_notify, unable to decode" 955 " event 0x%.2x 0x%.2x\n", key_handle, 956 ev); 957 /* restore the original event */ 958 ev = event; 959 } else { 960 ev = result & 0xFF; 961 962 if (key_handle == 0x100) 963 key_event = sony_100_events; 964 else 965 key_event = sony_127_events; 966 967 for (; key_event->data; key_event++) { 968 if (key_event->data == ev) { 969 ev = key_event->event; 970 break; 971 } 972 } 973 974 if (!key_event->data) 975 printk(KERN_INFO DRV_PFX 976 "Unknown event: 0x%x 0x%x\n", 977 key_handle, 978 ev); 979 else 980 sony_laptop_report_input_event(ev); 981 } 982 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) { 983 sony_nc_rfkill_update(); 984 return; 985 } 986 } else 987 sony_laptop_report_input_event(ev); 988 989 dprintk("sony_nc_notify, event: 0x%.2x\n", ev); 990 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev); 991 } 992 993 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 994 void *context, void **return_value) 995 { 996 struct acpi_device_info *info; 997 998 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 999 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", 1000 (char *)&info->name, info->param_count); 1001 1002 kfree(info); 1003 } 1004 1005 return AE_OK; 1006 } 1007 1008 /* 1009 * ACPI device 1010 */ 1011 static int sony_nc_function_setup(struct acpi_device *device) 1012 { 1013 int result; 1014 1015 /* Enable all events */ 1016 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result); 1017 1018 /* Setup hotkeys */ 1019 sony_call_snc_handle(0x0100, 0, &result); 1020 sony_call_snc_handle(0x0101, 0, &result); 1021 sony_call_snc_handle(0x0102, 0x100, &result); 1022 sony_call_snc_handle(0x0127, 0, &result); 1023 1024 return 0; 1025 } 1026 1027 static int sony_nc_resume(struct acpi_device *device) 1028 { 1029 struct sony_nc_value *item; 1030 acpi_handle handle; 1031 1032 for (item = sony_nc_values; item->name; item++) { 1033 int ret; 1034 1035 if (!item->valid) 1036 continue; 1037 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, 1038 item->value, NULL); 1039 if (ret < 0) { 1040 printk("%s: %d\n", __func__, ret); 1041 break; 1042 } 1043 } 1044 1045 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1046 &handle))) { 1047 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1048 dprintk("ECON Method failed\n"); 1049 } 1050 1051 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1052 &handle))) { 1053 dprintk("Doing SNC setup\n"); 1054 sony_nc_function_setup(device); 1055 } 1056 1057 /* set the last requested brightness level */ 1058 if (sony_backlight_device && 1059 sony_backlight_update_status(sony_backlight_device) < 0) 1060 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); 1061 1062 /* re-read rfkill state */ 1063 sony_nc_rfkill_update(); 1064 1065 return 0; 1066 } 1067 1068 static void sony_nc_rfkill_cleanup(void) 1069 { 1070 int i; 1071 1072 for (i = 0; i < N_SONY_RFKILL; i++) { 1073 if (sony_rfkill_devices[i]) { 1074 rfkill_unregister(sony_rfkill_devices[i]); 1075 rfkill_destroy(sony_rfkill_devices[i]); 1076 } 1077 } 1078 } 1079 1080 static int sony_nc_rfkill_set(void *data, bool blocked) 1081 { 1082 int result; 1083 int argument = sony_rfkill_address[(long) data] + 0x100; 1084 1085 if (!blocked) 1086 argument |= 0xff0000; 1087 1088 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1089 } 1090 1091 static const struct rfkill_ops sony_rfkill_ops = { 1092 .set_block = sony_nc_rfkill_set, 1093 }; 1094 1095 static int sony_nc_setup_rfkill(struct acpi_device *device, 1096 enum sony_nc_rfkill nc_type) 1097 { 1098 int err = 0; 1099 struct rfkill *rfk; 1100 enum rfkill_type type; 1101 const char *name; 1102 int result; 1103 bool hwblock; 1104 1105 switch (nc_type) { 1106 case SONY_WIFI: 1107 type = RFKILL_TYPE_WLAN; 1108 name = "sony-wifi"; 1109 break; 1110 case SONY_BLUETOOTH: 1111 type = RFKILL_TYPE_BLUETOOTH; 1112 name = "sony-bluetooth"; 1113 break; 1114 case SONY_WWAN: 1115 type = RFKILL_TYPE_WWAN; 1116 name = "sony-wwan"; 1117 break; 1118 case SONY_WIMAX: 1119 type = RFKILL_TYPE_WIMAX; 1120 name = "sony-wimax"; 1121 break; 1122 default: 1123 return -EINVAL; 1124 } 1125 1126 rfk = rfkill_alloc(name, &device->dev, type, 1127 &sony_rfkill_ops, (void *)nc_type); 1128 if (!rfk) 1129 return -ENOMEM; 1130 1131 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1132 hwblock = !(result & 0x1); 1133 rfkill_set_hw_state(rfk, hwblock); 1134 1135 err = rfkill_register(rfk); 1136 if (err) { 1137 rfkill_destroy(rfk); 1138 return err; 1139 } 1140 sony_rfkill_devices[nc_type] = rfk; 1141 return err; 1142 } 1143 1144 static void sony_nc_rfkill_update(void) 1145 { 1146 enum sony_nc_rfkill i; 1147 int result; 1148 bool hwblock; 1149 1150 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1151 hwblock = !(result & 0x1); 1152 1153 for (i = 0; i < N_SONY_RFKILL; i++) { 1154 int argument = sony_rfkill_address[i]; 1155 1156 if (!sony_rfkill_devices[i]) 1157 continue; 1158 1159 if (hwblock) { 1160 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1161 /* we already know we're blocked */ 1162 } 1163 continue; 1164 } 1165 1166 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1167 rfkill_set_states(sony_rfkill_devices[i], 1168 !(result & 0xf), false); 1169 } 1170 } 1171 1172 static void sony_nc_rfkill_setup(struct acpi_device *device) 1173 { 1174 int offset; 1175 u8 dev_code, i; 1176 acpi_status status; 1177 struct acpi_object_list params; 1178 union acpi_object in_obj; 1179 union acpi_object *device_enum; 1180 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; 1181 1182 offset = sony_find_snc_handle(0x124); 1183 if (offset == -1) { 1184 offset = sony_find_snc_handle(0x135); 1185 if (offset == -1) 1186 return; 1187 else 1188 sony_rfkill_handle = 0x135; 1189 } else 1190 sony_rfkill_handle = 0x124; 1191 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle); 1192 1193 /* need to read the whole buffer returned by the acpi call to SN06 1194 * here otherwise we may miss some features 1195 */ 1196 params.count = 1; 1197 params.pointer = &in_obj; 1198 in_obj.type = ACPI_TYPE_INTEGER; 1199 in_obj.integer.value = offset; 1200 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms, 1201 &buffer); 1202 if (ACPI_FAILURE(status)) { 1203 dprintk("Radio device enumeration failed\n"); 1204 return; 1205 } 1206 1207 device_enum = (union acpi_object *) buffer.pointer; 1208 if (!device_enum) { 1209 pr_err("Invalid SN06 return object\n"); 1210 goto out_no_enum; 1211 } 1212 if (device_enum->type != ACPI_TYPE_BUFFER) { 1213 pr_err("Invalid SN06 return object type 0x%.2x\n", 1214 device_enum->type); 1215 goto out_no_enum; 1216 } 1217 1218 /* the buffer is filled with magic numbers describing the devices 1219 * available, 0xff terminates the enumeration 1220 */ 1221 for (i = 0; i < device_enum->buffer.length; i++) { 1222 1223 dev_code = *(device_enum->buffer.pointer + i); 1224 if (dev_code == 0xff) 1225 break; 1226 1227 dprintk("Radio devices, looking at 0x%.2x\n", dev_code); 1228 1229 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI]) 1230 sony_nc_setup_rfkill(device, SONY_WIFI); 1231 1232 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1233 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1234 1235 if ((0xf0 & dev_code) == 0x20 && 1236 !sony_rfkill_devices[SONY_WWAN]) 1237 sony_nc_setup_rfkill(device, SONY_WWAN); 1238 1239 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1240 sony_nc_setup_rfkill(device, SONY_WIMAX); 1241 } 1242 1243 out_no_enum: 1244 kfree(buffer.pointer); 1245 return; 1246 } 1247 1248 static int sony_nc_add(struct acpi_device *device) 1249 { 1250 acpi_status status; 1251 int result = 0; 1252 acpi_handle handle; 1253 struct sony_nc_value *item; 1254 1255 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1256 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1257 1258 sony_nc_acpi_device = device; 1259 strcpy(acpi_device_class(device), "sony/hotkey"); 1260 1261 sony_nc_acpi_handle = device->handle; 1262 1263 /* read device status */ 1264 result = acpi_bus_get_status(device); 1265 /* bail IFF the above call was successful and the device is not present */ 1266 if (!result && !device->status.present) { 1267 dprintk("Device not present\n"); 1268 result = -ENODEV; 1269 goto outwalk; 1270 } 1271 1272 if (debug) { 1273 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1274 1, sony_walk_callback, NULL, NULL, NULL); 1275 if (ACPI_FAILURE(status)) { 1276 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1277 result = -ENODEV; 1278 goto outwalk; 1279 } 1280 } 1281 1282 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1283 &handle))) { 1284 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1285 dprintk("ECON Method failed\n"); 1286 } 1287 1288 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1289 &handle))) { 1290 dprintk("Doing SNC setup\n"); 1291 sony_nc_function_setup(device); 1292 sony_nc_rfkill_setup(device); 1293 } 1294 1295 /* setup input devices and helper fifo */ 1296 result = sony_laptop_setup_input(device); 1297 if (result) { 1298 printk(KERN_ERR DRV_PFX 1299 "Unable to create input devices.\n"); 1300 goto outwalk; 1301 } 1302 1303 if (acpi_video_backlight_support()) { 1304 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1305 "controlled by ACPI video driver\n"); 1306 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1307 &handle))) { 1308 struct backlight_properties props; 1309 memset(&props, 0, sizeof(struct backlight_properties)); 1310 props.max_brightness = SONY_MAX_BRIGHTNESS - 1; 1311 sony_backlight_device = backlight_device_register("sony", NULL, 1312 NULL, 1313 &sony_backlight_ops, 1314 &props); 1315 1316 if (IS_ERR(sony_backlight_device)) { 1317 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1318 sony_backlight_device = NULL; 1319 } else { 1320 sony_backlight_device->props.brightness = 1321 sony_backlight_get_brightness 1322 (sony_backlight_device); 1323 } 1324 1325 } 1326 1327 result = sony_pf_add(); 1328 if (result) 1329 goto outbacklight; 1330 1331 /* create sony_pf sysfs attributes related to the SNC device */ 1332 for (item = sony_nc_values; item->name; ++item) { 1333 1334 if (!debug && item->debug) 1335 continue; 1336 1337 /* find the available acpiget as described in the DSDT */ 1338 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1339 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1340 *item->acpiget, 1341 &handle))) { 1342 dprintk("Found %s getter: %s\n", 1343 item->name, *item->acpiget); 1344 item->devattr.attr.mode |= S_IRUGO; 1345 break; 1346 } 1347 } 1348 1349 /* find the available acpiset as described in the DSDT */ 1350 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1351 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1352 *item->acpiset, 1353 &handle))) { 1354 dprintk("Found %s setter: %s\n", 1355 item->name, *item->acpiset); 1356 item->devattr.attr.mode |= S_IWUSR; 1357 break; 1358 } 1359 } 1360 1361 if (item->devattr.attr.mode != 0) { 1362 result = 1363 device_create_file(&sony_pf_device->dev, 1364 &item->devattr); 1365 if (result) 1366 goto out_sysfs; 1367 } 1368 } 1369 1370 return 0; 1371 1372 out_sysfs: 1373 for (item = sony_nc_values; item->name; ++item) { 1374 device_remove_file(&sony_pf_device->dev, &item->devattr); 1375 } 1376 sony_pf_remove(); 1377 1378 outbacklight: 1379 if (sony_backlight_device) 1380 backlight_device_unregister(sony_backlight_device); 1381 1382 sony_laptop_remove_input(); 1383 1384 outwalk: 1385 sony_nc_rfkill_cleanup(); 1386 return result; 1387 } 1388 1389 static int sony_nc_remove(struct acpi_device *device, int type) 1390 { 1391 struct sony_nc_value *item; 1392 1393 if (sony_backlight_device) 1394 backlight_device_unregister(sony_backlight_device); 1395 1396 sony_nc_acpi_device = NULL; 1397 1398 for (item = sony_nc_values; item->name; ++item) { 1399 device_remove_file(&sony_pf_device->dev, &item->devattr); 1400 } 1401 1402 sony_pf_remove(); 1403 sony_laptop_remove_input(); 1404 sony_nc_rfkill_cleanup(); 1405 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1406 1407 return 0; 1408 } 1409 1410 static const struct acpi_device_id sony_device_ids[] = { 1411 {SONY_NC_HID, 0}, 1412 {SONY_PIC_HID, 0}, 1413 {"", 0}, 1414 }; 1415 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1416 1417 static const struct acpi_device_id sony_nc_device_ids[] = { 1418 {SONY_NC_HID, 0}, 1419 {"", 0}, 1420 }; 1421 1422 static struct acpi_driver sony_nc_driver = { 1423 .name = SONY_NC_DRIVER_NAME, 1424 .class = SONY_NC_CLASS, 1425 .ids = sony_nc_device_ids, 1426 .owner = THIS_MODULE, 1427 .ops = { 1428 .add = sony_nc_add, 1429 .remove = sony_nc_remove, 1430 .resume = sony_nc_resume, 1431 .notify = sony_nc_notify, 1432 }, 1433 }; 1434 1435 /*********** SPIC (SNY6001) Device ***********/ 1436 1437 #define SONYPI_DEVICE_TYPE1 0x00000001 1438 #define SONYPI_DEVICE_TYPE2 0x00000002 1439 #define SONYPI_DEVICE_TYPE3 0x00000004 1440 #define SONYPI_DEVICE_TYPE4 0x00000008 1441 1442 #define SONYPI_TYPE1_OFFSET 0x04 1443 #define SONYPI_TYPE2_OFFSET 0x12 1444 #define SONYPI_TYPE3_OFFSET 0x12 1445 1446 struct sony_pic_ioport { 1447 struct acpi_resource_io io1; 1448 struct acpi_resource_io io2; 1449 struct list_head list; 1450 }; 1451 1452 struct sony_pic_irq { 1453 struct acpi_resource_irq irq; 1454 struct list_head list; 1455 }; 1456 1457 struct sonypi_eventtypes { 1458 u8 data; 1459 unsigned long mask; 1460 struct sonypi_event *events; 1461 }; 1462 1463 struct sony_pic_dev { 1464 struct acpi_device *acpi_dev; 1465 struct sony_pic_irq *cur_irq; 1466 struct sony_pic_ioport *cur_ioport; 1467 struct list_head interrupts; 1468 struct list_head ioports; 1469 struct mutex lock; 1470 struct sonypi_eventtypes *event_types; 1471 int (*handle_irq)(const u8, const u8); 1472 int model; 1473 u16 evport_offset; 1474 u8 camera_power; 1475 u8 bluetooth_power; 1476 u8 wwan_power; 1477 }; 1478 1479 static struct sony_pic_dev spic_dev = { 1480 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 1481 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 1482 }; 1483 1484 static int spic_drv_registered; 1485 1486 /* Event masks */ 1487 #define SONYPI_JOGGER_MASK 0x00000001 1488 #define SONYPI_CAPTURE_MASK 0x00000002 1489 #define SONYPI_FNKEY_MASK 0x00000004 1490 #define SONYPI_BLUETOOTH_MASK 0x00000008 1491 #define SONYPI_PKEY_MASK 0x00000010 1492 #define SONYPI_BACK_MASK 0x00000020 1493 #define SONYPI_HELP_MASK 0x00000040 1494 #define SONYPI_LID_MASK 0x00000080 1495 #define SONYPI_ZOOM_MASK 0x00000100 1496 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1497 #define SONYPI_MEYE_MASK 0x00000400 1498 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1499 #define SONYPI_BATTERY_MASK 0x00001000 1500 #define SONYPI_WIRELESS_MASK 0x00002000 1501 1502 struct sonypi_event { 1503 u8 data; 1504 u8 event; 1505 }; 1506 1507 /* The set of possible button release events */ 1508 static struct sonypi_event sonypi_releaseev[] = { 1509 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1510 { 0, 0 } 1511 }; 1512 1513 /* The set of possible jogger events */ 1514 static struct sonypi_event sonypi_joggerev[] = { 1515 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1516 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1517 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1518 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1519 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1520 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1521 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1522 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1523 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1524 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1525 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1526 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1527 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1528 { 0, 0 } 1529 }; 1530 1531 /* The set of possible capture button events */ 1532 static struct sonypi_event sonypi_captureev[] = { 1533 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1534 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1535 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1536 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1537 { 0, 0 } 1538 }; 1539 1540 /* The set of possible fnkeys events */ 1541 static struct sonypi_event sonypi_fnkeyev[] = { 1542 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1543 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1544 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1545 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1546 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1547 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1548 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1549 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1550 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1551 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1552 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1553 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1554 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1555 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1556 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1557 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1558 { 0x31, SONYPI_EVENT_FNKEY_D }, 1559 { 0x32, SONYPI_EVENT_FNKEY_E }, 1560 { 0x33, SONYPI_EVENT_FNKEY_F }, 1561 { 0x34, SONYPI_EVENT_FNKEY_S }, 1562 { 0x35, SONYPI_EVENT_FNKEY_B }, 1563 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1564 { 0, 0 } 1565 }; 1566 1567 /* The set of possible program key events */ 1568 static struct sonypi_event sonypi_pkeyev[] = { 1569 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1570 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1571 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1572 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1573 { 0, 0 } 1574 }; 1575 1576 /* The set of possible bluetooth events */ 1577 static struct sonypi_event sonypi_blueev[] = { 1578 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1579 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1580 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1581 { 0, 0 } 1582 }; 1583 1584 /* The set of possible wireless events */ 1585 static struct sonypi_event sonypi_wlessev[] = { 1586 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1587 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1588 { 0, 0 } 1589 }; 1590 1591 /* The set of possible back button events */ 1592 static struct sonypi_event sonypi_backev[] = { 1593 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1594 { 0, 0 } 1595 }; 1596 1597 /* The set of possible help button events */ 1598 static struct sonypi_event sonypi_helpev[] = { 1599 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1600 { 0, 0 } 1601 }; 1602 1603 1604 /* The set of possible lid events */ 1605 static struct sonypi_event sonypi_lidev[] = { 1606 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1607 { 0x50, SONYPI_EVENT_LID_OPENED }, 1608 { 0, 0 } 1609 }; 1610 1611 /* The set of possible zoom events */ 1612 static struct sonypi_event sonypi_zoomev[] = { 1613 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1614 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1615 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1616 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1617 { 0, 0 } 1618 }; 1619 1620 /* The set of possible thumbphrase events */ 1621 static struct sonypi_event sonypi_thumbphraseev[] = { 1622 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1623 { 0, 0 } 1624 }; 1625 1626 /* The set of possible motioneye camera events */ 1627 static struct sonypi_event sonypi_meyeev[] = { 1628 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1629 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1630 { 0, 0 } 1631 }; 1632 1633 /* The set of possible memorystick events */ 1634 static struct sonypi_event sonypi_memorystickev[] = { 1635 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1636 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1637 { 0, 0 } 1638 }; 1639 1640 /* The set of possible battery events */ 1641 static struct sonypi_event sonypi_batteryev[] = { 1642 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1643 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1644 { 0, 0 } 1645 }; 1646 1647 /* The set of possible volume events */ 1648 static struct sonypi_event sonypi_volumeev[] = { 1649 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1650 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1651 { 0, 0 } 1652 }; 1653 1654 /* The set of possible brightness events */ 1655 static struct sonypi_event sonypi_brightnessev[] = { 1656 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1657 { 0, 0 } 1658 }; 1659 1660 static struct sonypi_eventtypes type1_events[] = { 1661 { 0, 0xffffffff, sonypi_releaseev }, 1662 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1663 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1664 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1665 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1666 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1667 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1668 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1669 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1670 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1671 { 0 }, 1672 }; 1673 static struct sonypi_eventtypes type2_events[] = { 1674 { 0, 0xffffffff, sonypi_releaseev }, 1675 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1676 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1677 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1678 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1679 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1680 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1681 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1682 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1683 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1684 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1685 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1686 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1687 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1688 { 0 }, 1689 }; 1690 static struct sonypi_eventtypes type3_events[] = { 1691 { 0, 0xffffffff, sonypi_releaseev }, 1692 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1693 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1694 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1695 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1696 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1697 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1698 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1699 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1700 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1701 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1702 { 0 }, 1703 }; 1704 1705 /* low level spic calls */ 1706 #define ITERATIONS_LONG 10000 1707 #define ITERATIONS_SHORT 10 1708 #define wait_on_command(command, iterations) { \ 1709 unsigned int n = iterations; \ 1710 while (--n && (command)) \ 1711 udelay(1); \ 1712 if (!n) \ 1713 dprintk("command failed at %s : %s (line %d)\n", \ 1714 __FILE__, __func__, __LINE__); \ 1715 } 1716 1717 static u8 sony_pic_call1(u8 dev) 1718 { 1719 u8 v1, v2; 1720 1721 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1722 ITERATIONS_LONG); 1723 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1724 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1725 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1726 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1727 return v2; 1728 } 1729 1730 static u8 sony_pic_call2(u8 dev, u8 fn) 1731 { 1732 u8 v1; 1733 1734 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1735 ITERATIONS_LONG); 1736 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1737 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1738 ITERATIONS_LONG); 1739 outb(fn, spic_dev.cur_ioport->io1.minimum); 1740 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1741 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1742 return v1; 1743 } 1744 1745 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1746 { 1747 u8 v1; 1748 1749 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1750 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1751 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1752 outb(fn, spic_dev.cur_ioport->io1.minimum); 1753 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1754 outb(v, spic_dev.cur_ioport->io1.minimum); 1755 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1756 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1757 dev, fn, v, v1); 1758 return v1; 1759 } 1760 1761 /* 1762 * minidrivers for SPIC models 1763 */ 1764 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1765 { 1766 /* 1767 * 0x31 could mean we have to take some extra action and wait for 1768 * the next irq for some Type3 models, it will generate a new 1769 * irq and we can read new data from the device: 1770 * - 0x5c and 0x5f requires 0xA0 1771 * - 0x61 requires 0xB3 1772 */ 1773 if (data_mask == 0x31) { 1774 if (ev == 0x5c || ev == 0x5f) 1775 sony_pic_call1(0xA0); 1776 else if (ev == 0x61) 1777 sony_pic_call1(0xB3); 1778 return 0; 1779 } 1780 return 1; 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->model = SONYPI_DEVICE_TYPE1; 1791 dev->evport_offset = SONYPI_TYPE1_OFFSET; 1792 dev->event_types = type1_events; 1793 goto out; 1794 } 1795 1796 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1797 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1798 if (pcidev) { 1799 dev->model = SONYPI_DEVICE_TYPE2; 1800 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1801 dev->event_types = type2_events; 1802 goto out; 1803 } 1804 1805 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1806 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1807 if (pcidev) { 1808 dev->model = SONYPI_DEVICE_TYPE3; 1809 dev->handle_irq = type3_handle_irq; 1810 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1811 dev->event_types = type3_events; 1812 goto out; 1813 } 1814 1815 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1816 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1817 if (pcidev) { 1818 dev->model = SONYPI_DEVICE_TYPE3; 1819 dev->handle_irq = type3_handle_irq; 1820 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1821 dev->event_types = type3_events; 1822 goto out; 1823 } 1824 1825 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1826 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 1827 if (pcidev) { 1828 dev->model = SONYPI_DEVICE_TYPE3; 1829 dev->handle_irq = type3_handle_irq; 1830 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1831 dev->event_types = type3_events; 1832 goto out; 1833 } 1834 1835 /* default */ 1836 dev->model = SONYPI_DEVICE_TYPE2; 1837 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1838 dev->event_types = type2_events; 1839 1840 out: 1841 if (pcidev) 1842 pci_dev_put(pcidev); 1843 1844 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1845 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 1846 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1847 } 1848 1849 /* camera tests and poweron/poweroff */ 1850 #define SONYPI_CAMERA_PICTURE 5 1851 #define SONYPI_CAMERA_CONTROL 0x10 1852 1853 #define SONYPI_CAMERA_BRIGHTNESS 0 1854 #define SONYPI_CAMERA_CONTRAST 1 1855 #define SONYPI_CAMERA_HUE 2 1856 #define SONYPI_CAMERA_COLOR 3 1857 #define SONYPI_CAMERA_SHARPNESS 4 1858 1859 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1860 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1861 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1862 #define SONYPI_CAMERA_MUTE_MASK 0x40 1863 1864 /* the rest don't need a loop until not 0xff */ 1865 #define SONYPI_CAMERA_AGC 6 1866 #define SONYPI_CAMERA_AGC_MASK 0x30 1867 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1868 1869 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1870 #define SONYPI_CAMERA_CONTROL 0x10 1871 1872 #define SONYPI_CAMERA_STATUS 7 1873 #define SONYPI_CAMERA_STATUS_READY 0x2 1874 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1875 1876 #define SONYPI_DIRECTION_BACKWARDS 0x4 1877 1878 #define SONYPI_CAMERA_REVISION 8 1879 #define SONYPI_CAMERA_ROMVERSION 9 1880 1881 static int __sony_pic_camera_ready(void) 1882 { 1883 u8 v; 1884 1885 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1886 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1887 } 1888 1889 static int __sony_pic_camera_off(void) 1890 { 1891 if (!camera) { 1892 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1893 return -ENODEV; 1894 } 1895 1896 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1897 SONYPI_CAMERA_MUTE_MASK), 1898 ITERATIONS_SHORT); 1899 1900 if (spic_dev.camera_power) { 1901 sony_pic_call2(0x91, 0); 1902 spic_dev.camera_power = 0; 1903 } 1904 return 0; 1905 } 1906 1907 static int __sony_pic_camera_on(void) 1908 { 1909 int i, j, x; 1910 1911 if (!camera) { 1912 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1913 return -ENODEV; 1914 } 1915 1916 if (spic_dev.camera_power) 1917 return 0; 1918 1919 for (j = 5; j > 0; j--) { 1920 1921 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1922 msleep(10); 1923 sony_pic_call1(0x93); 1924 1925 for (i = 400; i > 0; i--) { 1926 if (__sony_pic_camera_ready()) 1927 break; 1928 msleep(10); 1929 } 1930 if (i) 1931 break; 1932 } 1933 1934 if (j == 0) { 1935 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1936 return -ENODEV; 1937 } 1938 1939 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1940 0x5a), 1941 ITERATIONS_SHORT); 1942 1943 spic_dev.camera_power = 1; 1944 return 0; 1945 } 1946 1947 /* External camera command (exported to the motion eye v4l driver) */ 1948 int sony_pic_camera_command(int command, u8 value) 1949 { 1950 if (!camera) 1951 return -EIO; 1952 1953 mutex_lock(&spic_dev.lock); 1954 1955 switch (command) { 1956 case SONY_PIC_COMMAND_SETCAMERA: 1957 if (value) 1958 __sony_pic_camera_on(); 1959 else 1960 __sony_pic_camera_off(); 1961 break; 1962 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1963 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1964 ITERATIONS_SHORT); 1965 break; 1966 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1967 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1968 ITERATIONS_SHORT); 1969 break; 1970 case SONY_PIC_COMMAND_SETCAMERAHUE: 1971 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1972 ITERATIONS_SHORT); 1973 break; 1974 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1975 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1976 ITERATIONS_SHORT); 1977 break; 1978 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1979 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1980 ITERATIONS_SHORT); 1981 break; 1982 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1983 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1984 ITERATIONS_SHORT); 1985 break; 1986 case SONY_PIC_COMMAND_SETCAMERAAGC: 1987 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1988 ITERATIONS_SHORT); 1989 break; 1990 default: 1991 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1992 command); 1993 break; 1994 } 1995 mutex_unlock(&spic_dev.lock); 1996 return 0; 1997 } 1998 EXPORT_SYMBOL(sony_pic_camera_command); 1999 2000 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 2001 static void __sony_pic_set_wwanpower(u8 state) 2002 { 2003 state = !!state; 2004 if (spic_dev.wwan_power == state) 2005 return; 2006 sony_pic_call2(0xB0, state); 2007 sony_pic_call1(0x82); 2008 spic_dev.wwan_power = state; 2009 } 2010 2011 static ssize_t sony_pic_wwanpower_store(struct device *dev, 2012 struct device_attribute *attr, 2013 const char *buffer, size_t count) 2014 { 2015 unsigned long value; 2016 if (count > 31) 2017 return -EINVAL; 2018 2019 value = simple_strtoul(buffer, NULL, 10); 2020 mutex_lock(&spic_dev.lock); 2021 __sony_pic_set_wwanpower(value); 2022 mutex_unlock(&spic_dev.lock); 2023 2024 return count; 2025 } 2026 2027 static ssize_t sony_pic_wwanpower_show(struct device *dev, 2028 struct device_attribute *attr, char *buffer) 2029 { 2030 ssize_t count; 2031 mutex_lock(&spic_dev.lock); 2032 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 2033 mutex_unlock(&spic_dev.lock); 2034 return count; 2035 } 2036 2037 /* bluetooth subsystem power state */ 2038 static void __sony_pic_set_bluetoothpower(u8 state) 2039 { 2040 state = !!state; 2041 if (spic_dev.bluetooth_power == state) 2042 return; 2043 sony_pic_call2(0x96, state); 2044 sony_pic_call1(0x82); 2045 spic_dev.bluetooth_power = state; 2046 } 2047 2048 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 2049 struct device_attribute *attr, 2050 const char *buffer, size_t count) 2051 { 2052 unsigned long value; 2053 if (count > 31) 2054 return -EINVAL; 2055 2056 value = simple_strtoul(buffer, NULL, 10); 2057 mutex_lock(&spic_dev.lock); 2058 __sony_pic_set_bluetoothpower(value); 2059 mutex_unlock(&spic_dev.lock); 2060 2061 return count; 2062 } 2063 2064 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 2065 struct device_attribute *attr, char *buffer) 2066 { 2067 ssize_t count = 0; 2068 mutex_lock(&spic_dev.lock); 2069 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2070 mutex_unlock(&spic_dev.lock); 2071 return count; 2072 } 2073 2074 /* fan speed */ 2075 /* FAN0 information (reverse engineered from ACPI tables) */ 2076 #define SONY_PIC_FAN0_STATUS 0x93 2077 static int sony_pic_set_fanspeed(unsigned long value) 2078 { 2079 return ec_write(SONY_PIC_FAN0_STATUS, value); 2080 } 2081 2082 static int sony_pic_get_fanspeed(u8 *value) 2083 { 2084 return ec_read(SONY_PIC_FAN0_STATUS, value); 2085 } 2086 2087 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2088 struct device_attribute *attr, 2089 const char *buffer, size_t count) 2090 { 2091 unsigned long value; 2092 if (count > 31) 2093 return -EINVAL; 2094 2095 value = simple_strtoul(buffer, NULL, 10); 2096 if (sony_pic_set_fanspeed(value)) 2097 return -EIO; 2098 2099 return count; 2100 } 2101 2102 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2103 struct device_attribute *attr, char *buffer) 2104 { 2105 u8 value = 0; 2106 if (sony_pic_get_fanspeed(&value)) 2107 return -EIO; 2108 2109 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2110 } 2111 2112 #define SPIC_ATTR(_name, _mode) \ 2113 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2114 _mode, sony_pic_## _name ##_show, \ 2115 sony_pic_## _name ##_store) 2116 2117 static SPIC_ATTR(bluetoothpower, 0644); 2118 static SPIC_ATTR(wwanpower, 0644); 2119 static SPIC_ATTR(fanspeed, 0644); 2120 2121 static struct attribute *spic_attributes[] = { 2122 &spic_attr_bluetoothpower.attr, 2123 &spic_attr_wwanpower.attr, 2124 &spic_attr_fanspeed.attr, 2125 NULL 2126 }; 2127 2128 static struct attribute_group spic_attribute_group = { 2129 .attrs = spic_attributes 2130 }; 2131 2132 /******** SONYPI compatibility **********/ 2133 #ifdef CONFIG_SONYPI_COMPAT 2134 2135 /* battery / brightness / temperature addresses */ 2136 #define SONYPI_BAT_FLAGS 0x81 2137 #define SONYPI_LCD_LIGHT 0x96 2138 #define SONYPI_BAT1_PCTRM 0xa0 2139 #define SONYPI_BAT1_LEFT 0xa2 2140 #define SONYPI_BAT1_MAXRT 0xa4 2141 #define SONYPI_BAT2_PCTRM 0xa8 2142 #define SONYPI_BAT2_LEFT 0xaa 2143 #define SONYPI_BAT2_MAXRT 0xac 2144 #define SONYPI_BAT1_MAXTK 0xb0 2145 #define SONYPI_BAT1_FULL 0xb2 2146 #define SONYPI_BAT2_MAXTK 0xb8 2147 #define SONYPI_BAT2_FULL 0xba 2148 #define SONYPI_TEMP_STATUS 0xC1 2149 2150 struct sonypi_compat_s { 2151 struct fasync_struct *fifo_async; 2152 struct kfifo fifo; 2153 spinlock_t fifo_lock; 2154 wait_queue_head_t fifo_proc_list; 2155 atomic_t open_count; 2156 }; 2157 static struct sonypi_compat_s sonypi_compat = { 2158 .open_count = ATOMIC_INIT(0), 2159 }; 2160 2161 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2162 { 2163 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2164 } 2165 2166 static int sonypi_misc_release(struct inode *inode, struct file *file) 2167 { 2168 atomic_dec(&sonypi_compat.open_count); 2169 return 0; 2170 } 2171 2172 static int sonypi_misc_open(struct inode *inode, struct file *file) 2173 { 2174 /* Flush input queue on first open */ 2175 unsigned long flags; 2176 2177 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 2178 2179 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2180 kfifo_reset(&sonypi_compat.fifo); 2181 2182 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 2183 2184 return 0; 2185 } 2186 2187 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2188 size_t count, loff_t *pos) 2189 { 2190 ssize_t ret; 2191 unsigned char c; 2192 2193 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 2194 (file->f_flags & O_NONBLOCK)) 2195 return -EAGAIN; 2196 2197 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2198 kfifo_len(&sonypi_compat.fifo) != 0); 2199 if (ret) 2200 return ret; 2201 2202 while (ret < count && 2203 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 2204 &sonypi_compat.fifo_lock) == sizeof(c))) { 2205 if (put_user(c, buf++)) 2206 return -EFAULT; 2207 ret++; 2208 } 2209 2210 if (ret > 0) { 2211 struct inode *inode = file->f_path.dentry->d_inode; 2212 inode->i_atime = current_fs_time(inode->i_sb); 2213 } 2214 2215 return ret; 2216 } 2217 2218 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2219 { 2220 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2221 if (kfifo_len(&sonypi_compat.fifo)) 2222 return POLLIN | POLLRDNORM; 2223 return 0; 2224 } 2225 2226 static int ec_read16(u8 addr, u16 *value) 2227 { 2228 u8 val_lb, val_hb; 2229 if (ec_read(addr, &val_lb)) 2230 return -1; 2231 if (ec_read(addr + 1, &val_hb)) 2232 return -1; 2233 *value = val_lb | (val_hb << 8); 2234 return 0; 2235 } 2236 2237 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2238 unsigned long arg) 2239 { 2240 int ret = 0; 2241 void __user *argp = (void __user *)arg; 2242 u8 val8; 2243 u16 val16; 2244 int value; 2245 2246 mutex_lock(&spic_dev.lock); 2247 switch (cmd) { 2248 case SONYPI_IOCGBRT: 2249 if (sony_backlight_device == NULL) { 2250 ret = -EIO; 2251 break; 2252 } 2253 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2254 ret = -EIO; 2255 break; 2256 } 2257 val8 = ((value & 0xff) - 1) << 5; 2258 if (copy_to_user(argp, &val8, sizeof(val8))) 2259 ret = -EFAULT; 2260 break; 2261 case SONYPI_IOCSBRT: 2262 if (sony_backlight_device == NULL) { 2263 ret = -EIO; 2264 break; 2265 } 2266 if (copy_from_user(&val8, argp, sizeof(val8))) { 2267 ret = -EFAULT; 2268 break; 2269 } 2270 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2271 (val8 >> 5) + 1, NULL)) { 2272 ret = -EIO; 2273 break; 2274 } 2275 /* sync the backlight device status */ 2276 sony_backlight_device->props.brightness = 2277 sony_backlight_get_brightness(sony_backlight_device); 2278 break; 2279 case SONYPI_IOCGBAT1CAP: 2280 if (ec_read16(SONYPI_BAT1_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_IOCGBAT1REM: 2288 if (ec_read16(SONYPI_BAT1_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_IOCGBAT2CAP: 2296 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2297 ret = -EIO; 2298 break; 2299 } 2300 if (copy_to_user(argp, &val16, sizeof(val16))) 2301 ret = -EFAULT; 2302 break; 2303 case SONYPI_IOCGBAT2REM: 2304 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2305 ret = -EIO; 2306 break; 2307 } 2308 if (copy_to_user(argp, &val16, sizeof(val16))) 2309 ret = -EFAULT; 2310 break; 2311 case SONYPI_IOCGBATFLAGS: 2312 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2313 ret = -EIO; 2314 break; 2315 } 2316 val8 &= 0x07; 2317 if (copy_to_user(argp, &val8, sizeof(val8))) 2318 ret = -EFAULT; 2319 break; 2320 case SONYPI_IOCGBLUE: 2321 val8 = spic_dev.bluetooth_power; 2322 if (copy_to_user(argp, &val8, sizeof(val8))) 2323 ret = -EFAULT; 2324 break; 2325 case SONYPI_IOCSBLUE: 2326 if (copy_from_user(&val8, argp, sizeof(val8))) { 2327 ret = -EFAULT; 2328 break; 2329 } 2330 __sony_pic_set_bluetoothpower(val8); 2331 break; 2332 /* FAN Controls */ 2333 case SONYPI_IOCGFAN: 2334 if (sony_pic_get_fanspeed(&val8)) { 2335 ret = -EIO; 2336 break; 2337 } 2338 if (copy_to_user(argp, &val8, sizeof(val8))) 2339 ret = -EFAULT; 2340 break; 2341 case SONYPI_IOCSFAN: 2342 if (copy_from_user(&val8, argp, sizeof(val8))) { 2343 ret = -EFAULT; 2344 break; 2345 } 2346 if (sony_pic_set_fanspeed(val8)) 2347 ret = -EIO; 2348 break; 2349 /* GET Temperature (useful under APM) */ 2350 case SONYPI_IOCGTEMP: 2351 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2352 ret = -EIO; 2353 break; 2354 } 2355 if (copy_to_user(argp, &val8, sizeof(val8))) 2356 ret = -EFAULT; 2357 break; 2358 default: 2359 ret = -EINVAL; 2360 } 2361 mutex_unlock(&spic_dev.lock); 2362 return ret; 2363 } 2364 2365 static const struct file_operations sonypi_misc_fops = { 2366 .owner = THIS_MODULE, 2367 .read = sonypi_misc_read, 2368 .poll = sonypi_misc_poll, 2369 .open = sonypi_misc_open, 2370 .release = sonypi_misc_release, 2371 .fasync = sonypi_misc_fasync, 2372 .unlocked_ioctl = sonypi_misc_ioctl, 2373 .llseek = noop_llseek, 2374 }; 2375 2376 static struct miscdevice sonypi_misc_device = { 2377 .minor = MISC_DYNAMIC_MINOR, 2378 .name = "sonypi", 2379 .fops = &sonypi_misc_fops, 2380 }; 2381 2382 static void sonypi_compat_report_event(u8 event) 2383 { 2384 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 2385 sizeof(event), &sonypi_compat.fifo_lock); 2386 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2387 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2388 } 2389 2390 static int sonypi_compat_init(void) 2391 { 2392 int error; 2393 2394 spin_lock_init(&sonypi_compat.fifo_lock); 2395 error = 2396 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 2397 if (error) { 2398 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2399 return error; 2400 } 2401 2402 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2403 2404 if (minor != -1) 2405 sonypi_misc_device.minor = minor; 2406 error = misc_register(&sonypi_misc_device); 2407 if (error) { 2408 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2409 goto err_free_kfifo; 2410 } 2411 if (minor == -1) 2412 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2413 sonypi_misc_device.minor); 2414 2415 return 0; 2416 2417 err_free_kfifo: 2418 kfifo_free(&sonypi_compat.fifo); 2419 return error; 2420 } 2421 2422 static void sonypi_compat_exit(void) 2423 { 2424 misc_deregister(&sonypi_misc_device); 2425 kfifo_free(&sonypi_compat.fifo); 2426 } 2427 #else 2428 static int sonypi_compat_init(void) { return 0; } 2429 static void sonypi_compat_exit(void) { } 2430 static void sonypi_compat_report_event(u8 event) { } 2431 #endif /* CONFIG_SONYPI_COMPAT */ 2432 2433 /* 2434 * ACPI callbacks 2435 */ 2436 static acpi_status 2437 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2438 { 2439 u32 i; 2440 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2441 2442 switch (resource->type) { 2443 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2444 { 2445 /* start IO enumeration */ 2446 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2447 if (!ioport) 2448 return AE_ERROR; 2449 2450 list_add(&ioport->list, &dev->ioports); 2451 return AE_OK; 2452 } 2453 2454 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2455 /* end IO enumeration */ 2456 return AE_OK; 2457 2458 case ACPI_RESOURCE_TYPE_IRQ: 2459 { 2460 struct acpi_resource_irq *p = &resource->data.irq; 2461 struct sony_pic_irq *interrupt = NULL; 2462 if (!p || !p->interrupt_count) { 2463 /* 2464 * IRQ descriptors may have no IRQ# bits set, 2465 * particularly those those w/ _STA disabled 2466 */ 2467 dprintk("Blank IRQ resource\n"); 2468 return AE_OK; 2469 } 2470 for (i = 0; i < p->interrupt_count; i++) { 2471 if (!p->interrupts[i]) { 2472 printk(KERN_WARNING DRV_PFX 2473 "Invalid IRQ %d\n", 2474 p->interrupts[i]); 2475 continue; 2476 } 2477 interrupt = kzalloc(sizeof(*interrupt), 2478 GFP_KERNEL); 2479 if (!interrupt) 2480 return AE_ERROR; 2481 2482 list_add(&interrupt->list, &dev->interrupts); 2483 interrupt->irq.triggering = p->triggering; 2484 interrupt->irq.polarity = p->polarity; 2485 interrupt->irq.sharable = p->sharable; 2486 interrupt->irq.interrupt_count = 1; 2487 interrupt->irq.interrupts[0] = p->interrupts[i]; 2488 } 2489 return AE_OK; 2490 } 2491 case ACPI_RESOURCE_TYPE_IO: 2492 { 2493 struct acpi_resource_io *io = &resource->data.io; 2494 struct sony_pic_ioport *ioport = 2495 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2496 if (!io) { 2497 dprintk("Blank IO resource\n"); 2498 return AE_OK; 2499 } 2500 2501 if (!ioport->io1.minimum) { 2502 memcpy(&ioport->io1, io, sizeof(*io)); 2503 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2504 ioport->io1.address_length); 2505 } 2506 else if (!ioport->io2.minimum) { 2507 memcpy(&ioport->io2, io, sizeof(*io)); 2508 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2509 ioport->io2.address_length); 2510 } 2511 else { 2512 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2513 return AE_ERROR; 2514 } 2515 return AE_OK; 2516 } 2517 default: 2518 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2519 resource->type); 2520 2521 case ACPI_RESOURCE_TYPE_END_TAG: 2522 return AE_OK; 2523 } 2524 return AE_CTRL_TERMINATE; 2525 } 2526 2527 static int sony_pic_possible_resources(struct acpi_device *device) 2528 { 2529 int result = 0; 2530 acpi_status status = AE_OK; 2531 2532 if (!device) 2533 return -EINVAL; 2534 2535 /* get device status */ 2536 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2537 dprintk("Evaluating _STA\n"); 2538 result = acpi_bus_get_status(device); 2539 if (result) { 2540 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2541 goto end; 2542 } 2543 2544 if (!device->status.enabled) 2545 dprintk("Device disabled\n"); 2546 else 2547 dprintk("Device enabled\n"); 2548 2549 /* 2550 * Query and parse 'method' 2551 */ 2552 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2553 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2554 sony_pic_read_possible_resource, &spic_dev); 2555 if (ACPI_FAILURE(status)) { 2556 printk(KERN_WARNING DRV_PFX 2557 "Failure evaluating %s\n", 2558 METHOD_NAME__PRS); 2559 result = -ENODEV; 2560 } 2561 end: 2562 return result; 2563 } 2564 2565 /* 2566 * Disable the spic device by calling its _DIS method 2567 */ 2568 static int sony_pic_disable(struct acpi_device *device) 2569 { 2570 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2571 NULL); 2572 2573 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2574 return -ENXIO; 2575 2576 dprintk("Device disabled\n"); 2577 return 0; 2578 } 2579 2580 2581 /* 2582 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2583 * 2584 * Call _SRS to set current resources 2585 */ 2586 static int sony_pic_enable(struct acpi_device *device, 2587 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2588 { 2589 acpi_status status; 2590 int result = 0; 2591 /* Type 1 resource layout is: 2592 * IO 2593 * IO 2594 * IRQNoFlags 2595 * End 2596 * 2597 * Type 2 and 3 resource layout is: 2598 * IO 2599 * IRQNoFlags 2600 * End 2601 */ 2602 struct { 2603 struct acpi_resource res1; 2604 struct acpi_resource res2; 2605 struct acpi_resource res3; 2606 struct acpi_resource res4; 2607 } *resource; 2608 struct acpi_buffer buffer = { 0, NULL }; 2609 2610 if (!ioport || !irq) 2611 return -EINVAL; 2612 2613 /* init acpi_buffer */ 2614 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2615 if (!resource) 2616 return -ENOMEM; 2617 2618 buffer.length = sizeof(*resource) + 1; 2619 buffer.pointer = resource; 2620 2621 /* setup Type 1 resources */ 2622 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 2623 2624 /* setup io resources */ 2625 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2626 resource->res1.length = sizeof(struct acpi_resource); 2627 memcpy(&resource->res1.data.io, &ioport->io1, 2628 sizeof(struct acpi_resource_io)); 2629 2630 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2631 resource->res2.length = sizeof(struct acpi_resource); 2632 memcpy(&resource->res2.data.io, &ioport->io2, 2633 sizeof(struct acpi_resource_io)); 2634 2635 /* setup irq resource */ 2636 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2637 resource->res3.length = sizeof(struct acpi_resource); 2638 memcpy(&resource->res3.data.irq, &irq->irq, 2639 sizeof(struct acpi_resource_irq)); 2640 /* we requested a shared irq */ 2641 resource->res3.data.irq.sharable = ACPI_SHARED; 2642 2643 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2644 2645 } 2646 /* setup Type 2/3 resources */ 2647 else { 2648 /* setup io resource */ 2649 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2650 resource->res1.length = sizeof(struct acpi_resource); 2651 memcpy(&resource->res1.data.io, &ioport->io1, 2652 sizeof(struct acpi_resource_io)); 2653 2654 /* setup irq resource */ 2655 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2656 resource->res2.length = sizeof(struct acpi_resource); 2657 memcpy(&resource->res2.data.irq, &irq->irq, 2658 sizeof(struct acpi_resource_irq)); 2659 /* we requested a shared irq */ 2660 resource->res2.data.irq.sharable = ACPI_SHARED; 2661 2662 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2663 } 2664 2665 /* Attempt to set the resource */ 2666 dprintk("Evaluating _SRS\n"); 2667 status = acpi_set_current_resources(device->handle, &buffer); 2668 2669 /* check for total failure */ 2670 if (ACPI_FAILURE(status)) { 2671 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2672 result = -ENODEV; 2673 goto end; 2674 } 2675 2676 /* Necessary device initializations calls (from sonypi) */ 2677 sony_pic_call1(0x82); 2678 sony_pic_call2(0x81, 0xff); 2679 sony_pic_call1(compat ? 0x92 : 0x82); 2680 2681 end: 2682 kfree(resource); 2683 return result; 2684 } 2685 2686 /***************** 2687 * 2688 * ISR: some event is available 2689 * 2690 *****************/ 2691 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2692 { 2693 int i, j; 2694 u8 ev = 0; 2695 u8 data_mask = 0; 2696 u8 device_event = 0; 2697 2698 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2699 2700 ev = inb_p(dev->cur_ioport->io1.minimum); 2701 if (dev->cur_ioport->io2.minimum) 2702 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2703 else 2704 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2705 dev->evport_offset); 2706 2707 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2708 ev, data_mask, dev->cur_ioport->io1.minimum, 2709 dev->evport_offset); 2710 2711 if (ev == 0x00 || ev == 0xff) 2712 return IRQ_HANDLED; 2713 2714 for (i = 0; dev->event_types[i].mask; i++) { 2715 2716 if ((data_mask & dev->event_types[i].data) != 2717 dev->event_types[i].data) 2718 continue; 2719 2720 if (!(mask & dev->event_types[i].mask)) 2721 continue; 2722 2723 for (j = 0; dev->event_types[i].events[j].event; j++) { 2724 if (ev == dev->event_types[i].events[j].data) { 2725 device_event = 2726 dev->event_types[i].events[j].event; 2727 goto found; 2728 } 2729 } 2730 } 2731 /* Still not able to decode the event try to pass 2732 * it over to the minidriver 2733 */ 2734 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 2735 return IRQ_HANDLED; 2736 2737 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2738 ev, data_mask, dev->cur_ioport->io1.minimum, 2739 dev->evport_offset); 2740 return IRQ_HANDLED; 2741 2742 found: 2743 sony_laptop_report_input_event(device_event); 2744 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2745 sonypi_compat_report_event(device_event); 2746 2747 return IRQ_HANDLED; 2748 } 2749 2750 /***************** 2751 * 2752 * ACPI driver 2753 * 2754 *****************/ 2755 static int sony_pic_remove(struct acpi_device *device, int type) 2756 { 2757 struct sony_pic_ioport *io, *tmp_io; 2758 struct sony_pic_irq *irq, *tmp_irq; 2759 2760 if (sony_pic_disable(device)) { 2761 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2762 return -ENXIO; 2763 } 2764 2765 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2766 release_region(spic_dev.cur_ioport->io1.minimum, 2767 spic_dev.cur_ioport->io1.address_length); 2768 if (spic_dev.cur_ioport->io2.minimum) 2769 release_region(spic_dev.cur_ioport->io2.minimum, 2770 spic_dev.cur_ioport->io2.address_length); 2771 2772 sonypi_compat_exit(); 2773 2774 sony_laptop_remove_input(); 2775 2776 /* pf attrs */ 2777 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2778 sony_pf_remove(); 2779 2780 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2781 list_del(&io->list); 2782 kfree(io); 2783 } 2784 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2785 list_del(&irq->list); 2786 kfree(irq); 2787 } 2788 spic_dev.cur_ioport = NULL; 2789 spic_dev.cur_irq = NULL; 2790 2791 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2792 return 0; 2793 } 2794 2795 static int sony_pic_add(struct acpi_device *device) 2796 { 2797 int result; 2798 struct sony_pic_ioport *io, *tmp_io; 2799 struct sony_pic_irq *irq, *tmp_irq; 2800 2801 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2802 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2803 2804 spic_dev.acpi_dev = device; 2805 strcpy(acpi_device_class(device), "sony/hotkey"); 2806 sony_pic_detect_device_type(&spic_dev); 2807 mutex_init(&spic_dev.lock); 2808 2809 /* read _PRS resources */ 2810 result = sony_pic_possible_resources(device); 2811 if (result) { 2812 printk(KERN_ERR DRV_PFX 2813 "Unable to read possible resources.\n"); 2814 goto err_free_resources; 2815 } 2816 2817 /* setup input devices and helper fifo */ 2818 result = sony_laptop_setup_input(device); 2819 if (result) { 2820 printk(KERN_ERR DRV_PFX 2821 "Unable to create input devices.\n"); 2822 goto err_free_resources; 2823 } 2824 2825 if (sonypi_compat_init()) 2826 goto err_remove_input; 2827 2828 /* request io port */ 2829 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2830 if (request_region(io->io1.minimum, io->io1.address_length, 2831 "Sony Programable I/O Device")) { 2832 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2833 io->io1.minimum, io->io1.maximum, 2834 io->io1.address_length); 2835 /* Type 1 have 2 ioports */ 2836 if (io->io2.minimum) { 2837 if (request_region(io->io2.minimum, 2838 io->io2.address_length, 2839 "Sony Programable I/O Device")) { 2840 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2841 io->io2.minimum, io->io2.maximum, 2842 io->io2.address_length); 2843 spic_dev.cur_ioport = io; 2844 break; 2845 } 2846 else { 2847 dprintk("Unable to get I/O port2: " 2848 "0x%.4x (0x%.4x) + 0x%.2x\n", 2849 io->io2.minimum, io->io2.maximum, 2850 io->io2.address_length); 2851 release_region(io->io1.minimum, 2852 io->io1.address_length); 2853 } 2854 } 2855 else { 2856 spic_dev.cur_ioport = io; 2857 break; 2858 } 2859 } 2860 } 2861 if (!spic_dev.cur_ioport) { 2862 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2863 result = -ENODEV; 2864 goto err_remove_compat; 2865 } 2866 2867 /* request IRQ */ 2868 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2869 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2870 IRQF_DISABLED, "sony-laptop", &spic_dev)) { 2871 dprintk("IRQ: %d - triggering: %d - " 2872 "polarity: %d - shr: %d\n", 2873 irq->irq.interrupts[0], 2874 irq->irq.triggering, 2875 irq->irq.polarity, 2876 irq->irq.sharable); 2877 spic_dev.cur_irq = irq; 2878 break; 2879 } 2880 } 2881 if (!spic_dev.cur_irq) { 2882 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2883 result = -ENODEV; 2884 goto err_release_region; 2885 } 2886 2887 /* set resource status _SRS */ 2888 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2889 if (result) { 2890 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2891 goto err_free_irq; 2892 } 2893 2894 spic_dev.bluetooth_power = -1; 2895 /* create device attributes */ 2896 result = sony_pf_add(); 2897 if (result) 2898 goto err_disable_device; 2899 2900 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2901 if (result) 2902 goto err_remove_pf; 2903 2904 return 0; 2905 2906 err_remove_pf: 2907 sony_pf_remove(); 2908 2909 err_disable_device: 2910 sony_pic_disable(device); 2911 2912 err_free_irq: 2913 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2914 2915 err_release_region: 2916 release_region(spic_dev.cur_ioport->io1.minimum, 2917 spic_dev.cur_ioport->io1.address_length); 2918 if (spic_dev.cur_ioport->io2.minimum) 2919 release_region(spic_dev.cur_ioport->io2.minimum, 2920 spic_dev.cur_ioport->io2.address_length); 2921 2922 err_remove_compat: 2923 sonypi_compat_exit(); 2924 2925 err_remove_input: 2926 sony_laptop_remove_input(); 2927 2928 err_free_resources: 2929 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2930 list_del(&io->list); 2931 kfree(io); 2932 } 2933 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2934 list_del(&irq->list); 2935 kfree(irq); 2936 } 2937 spic_dev.cur_ioport = NULL; 2938 spic_dev.cur_irq = NULL; 2939 2940 return result; 2941 } 2942 2943 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2944 { 2945 if (sony_pic_disable(device)) 2946 return -ENXIO; 2947 return 0; 2948 } 2949 2950 static int sony_pic_resume(struct acpi_device *device) 2951 { 2952 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2953 return 0; 2954 } 2955 2956 static const struct acpi_device_id sony_pic_device_ids[] = { 2957 {SONY_PIC_HID, 0}, 2958 {"", 0}, 2959 }; 2960 2961 static struct acpi_driver sony_pic_driver = { 2962 .name = SONY_PIC_DRIVER_NAME, 2963 .class = SONY_PIC_CLASS, 2964 .ids = sony_pic_device_ids, 2965 .owner = THIS_MODULE, 2966 .ops = { 2967 .add = sony_pic_add, 2968 .remove = sony_pic_remove, 2969 .suspend = sony_pic_suspend, 2970 .resume = sony_pic_resume, 2971 }, 2972 }; 2973 2974 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2975 { 2976 .ident = "Sony Vaio", 2977 .matches = { 2978 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2979 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2980 }, 2981 }, 2982 { 2983 .ident = "Sony Vaio", 2984 .matches = { 2985 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2986 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2987 }, 2988 }, 2989 { } 2990 }; 2991 2992 static int __init sony_laptop_init(void) 2993 { 2994 int result; 2995 2996 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2997 result = acpi_bus_register_driver(&sony_pic_driver); 2998 if (result) { 2999 printk(KERN_ERR DRV_PFX 3000 "Unable to register SPIC driver."); 3001 goto out; 3002 } 3003 spic_drv_registered = 1; 3004 } 3005 3006 result = acpi_bus_register_driver(&sony_nc_driver); 3007 if (result) { 3008 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 3009 goto out_unregister_pic; 3010 } 3011 3012 return 0; 3013 3014 out_unregister_pic: 3015 if (spic_drv_registered) 3016 acpi_bus_unregister_driver(&sony_pic_driver); 3017 out: 3018 return result; 3019 } 3020 3021 static void __exit sony_laptop_exit(void) 3022 { 3023 acpi_bus_unregister_driver(&sony_nc_driver); 3024 if (spic_drv_registered) 3025 acpi_bus_unregister_driver(&sony_pic_driver); 3026 } 3027 3028 module_init(sony_laptop_init); 3029 module_exit(sony_laptop_exit); 3030