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 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 322 /* Nothing, not all VAIOs generate this event */ 323 return; 324 } 325 326 /* report events */ 327 switch (event) { 328 /* jog_dev events */ 329 case SONYPI_EVENT_JOGDIAL_UP: 330 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 331 input_report_rel(jog_dev, REL_WHEEL, 1); 332 input_sync(jog_dev); 333 return; 334 335 case SONYPI_EVENT_JOGDIAL_DOWN: 336 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 337 input_report_rel(jog_dev, REL_WHEEL, -1); 338 input_sync(jog_dev); 339 return; 340 341 /* key_dev events */ 342 case SONYPI_EVENT_JOGDIAL_PRESSED: 343 kp.key = BTN_MIDDLE; 344 kp.dev = jog_dev; 345 break; 346 347 default: 348 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 349 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 350 break; 351 } 352 if (sony_laptop_input_index[event] != -1) { 353 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]]; 354 if (kp.key != KEY_UNKNOWN) 355 kp.dev = key_dev; 356 } 357 break; 358 } 359 360 if (kp.dev) { 361 input_report_key(kp.dev, kp.key, 1); 362 /* we emit the scancode so we can always remap the key */ 363 input_event(kp.dev, EV_MSC, MSC_SCAN, event); 364 input_sync(kp.dev); 365 kfifo_put(sony_laptop_input.fifo, 366 (unsigned char *)&kp, sizeof(kp)); 367 368 if (!work_pending(&sony_laptop_release_key_work)) 369 queue_work(sony_laptop_input.wq, 370 &sony_laptop_release_key_work); 371 } else 372 dprintk("unknown input event %.2x\n", event); 373 } 374 375 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 376 { 377 struct input_dev *jog_dev; 378 struct input_dev *key_dev; 379 int i; 380 int error; 381 382 /* don't run again if already initialized */ 383 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 384 return 0; 385 386 /* kfifo */ 387 spin_lock_init(&sony_laptop_input.fifo_lock); 388 sony_laptop_input.fifo = 389 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 390 &sony_laptop_input.fifo_lock); 391 if (IS_ERR(sony_laptop_input.fifo)) { 392 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 393 error = PTR_ERR(sony_laptop_input.fifo); 394 goto err_dec_users; 395 } 396 397 /* init workqueue */ 398 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop"); 399 if (!sony_laptop_input.wq) { 400 printk(KERN_ERR DRV_PFX 401 "Unable to create workqueue.\n"); 402 error = -ENXIO; 403 goto err_free_kfifo; 404 } 405 406 /* input keys */ 407 key_dev = input_allocate_device(); 408 if (!key_dev) { 409 error = -ENOMEM; 410 goto err_destroy_wq; 411 } 412 413 key_dev->name = "Sony Vaio Keys"; 414 key_dev->id.bustype = BUS_ISA; 415 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 416 key_dev->dev.parent = &acpi_device->dev; 417 418 /* Initialize the Input Drivers: special keys */ 419 set_bit(EV_KEY, key_dev->evbit); 420 set_bit(EV_MSC, key_dev->evbit); 421 set_bit(MSC_SCAN, key_dev->mscbit); 422 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 423 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 424 key_dev->keycode = &sony_laptop_input_keycode_map; 425 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) { 426 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) { 427 set_bit(sony_laptop_input_keycode_map[i], 428 key_dev->keybit); 429 } 430 } 431 432 error = input_register_device(key_dev); 433 if (error) 434 goto err_free_keydev; 435 436 sony_laptop_input.key_dev = key_dev; 437 438 /* jogdial */ 439 jog_dev = input_allocate_device(); 440 if (!jog_dev) { 441 error = -ENOMEM; 442 goto err_unregister_keydev; 443 } 444 445 jog_dev->name = "Sony Vaio Jogdial"; 446 jog_dev->id.bustype = BUS_ISA; 447 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 448 key_dev->dev.parent = &acpi_device->dev; 449 450 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 451 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE); 452 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL); 453 454 error = input_register_device(jog_dev); 455 if (error) 456 goto err_free_jogdev; 457 458 sony_laptop_input.jog_dev = jog_dev; 459 460 return 0; 461 462 err_free_jogdev: 463 input_free_device(jog_dev); 464 465 err_unregister_keydev: 466 input_unregister_device(key_dev); 467 /* to avoid kref underflow below at input_free_device */ 468 key_dev = NULL; 469 470 err_free_keydev: 471 input_free_device(key_dev); 472 473 err_destroy_wq: 474 destroy_workqueue(sony_laptop_input.wq); 475 476 err_free_kfifo: 477 kfifo_free(sony_laptop_input.fifo); 478 479 err_dec_users: 480 atomic_dec(&sony_laptop_input.users); 481 return error; 482 } 483 484 static void sony_laptop_remove_input(void) 485 { 486 /* cleanup only after the last user has gone */ 487 if (!atomic_dec_and_test(&sony_laptop_input.users)) 488 return; 489 490 /* flush workqueue first */ 491 flush_workqueue(sony_laptop_input.wq); 492 493 /* destroy input devs */ 494 input_unregister_device(sony_laptop_input.key_dev); 495 sony_laptop_input.key_dev = NULL; 496 497 if (sony_laptop_input.jog_dev) { 498 input_unregister_device(sony_laptop_input.jog_dev); 499 sony_laptop_input.jog_dev = NULL; 500 } 501 502 destroy_workqueue(sony_laptop_input.wq); 503 kfifo_free(sony_laptop_input.fifo); 504 } 505 506 /*********** Platform Device ***********/ 507 508 static atomic_t sony_pf_users = ATOMIC_INIT(0); 509 static struct platform_driver sony_pf_driver = { 510 .driver = { 511 .name = "sony-laptop", 512 .owner = THIS_MODULE, 513 } 514 }; 515 static struct platform_device *sony_pf_device; 516 517 static int sony_pf_add(void) 518 { 519 int ret = 0; 520 521 /* don't run again if already initialized */ 522 if (atomic_add_return(1, &sony_pf_users) > 1) 523 return 0; 524 525 ret = platform_driver_register(&sony_pf_driver); 526 if (ret) 527 goto out; 528 529 sony_pf_device = platform_device_alloc("sony-laptop", -1); 530 if (!sony_pf_device) { 531 ret = -ENOMEM; 532 goto out_platform_registered; 533 } 534 535 ret = platform_device_add(sony_pf_device); 536 if (ret) 537 goto out_platform_alloced; 538 539 return 0; 540 541 out_platform_alloced: 542 platform_device_put(sony_pf_device); 543 sony_pf_device = NULL; 544 out_platform_registered: 545 platform_driver_unregister(&sony_pf_driver); 546 out: 547 atomic_dec(&sony_pf_users); 548 return ret; 549 } 550 551 static void sony_pf_remove(void) 552 { 553 /* deregister only after the last user has gone */ 554 if (!atomic_dec_and_test(&sony_pf_users)) 555 return; 556 557 platform_device_del(sony_pf_device); 558 platform_device_put(sony_pf_device); 559 platform_driver_unregister(&sony_pf_driver); 560 } 561 562 /*********** SNC (SNY5001) Device ***********/ 563 564 /* the device uses 1-based values, while the backlight subsystem uses 565 0-based values */ 566 #define SONY_MAX_BRIGHTNESS 8 567 568 #define SNC_VALIDATE_IN 0 569 #define SNC_VALIDATE_OUT 1 570 571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 572 char *); 573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 574 const char *, size_t); 575 static int boolean_validate(const int, const int); 576 static int brightness_default_validate(const int, const int); 577 578 struct sony_nc_value { 579 char *name; /* name of the entry */ 580 char **acpiget; /* names of the ACPI get function */ 581 char **acpiset; /* names of the ACPI set function */ 582 int (*validate)(const int, const int); /* input/output validation */ 583 int value; /* current setting */ 584 int valid; /* Has ever been set */ 585 int debug; /* active only in debug mode ? */ 586 struct device_attribute devattr; /* sysfs atribute */ 587 }; 588 589 #define SNC_HANDLE_NAMES(_name, _values...) \ 590 static char *snc_##_name[] = { _values, NULL } 591 592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 593 { \ 594 .name = __stringify(_name), \ 595 .acpiget = _getters, \ 596 .acpiset = _setters, \ 597 .validate = _validate, \ 598 .debug = _debug, \ 599 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 600 } 601 602 #define SNC_HANDLE_NULL { .name = NULL } 603 604 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 605 606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 608 609 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 611 612 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 613 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 614 615 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 616 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 617 618 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 619 620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 622 623 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 624 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 625 626 SNC_HANDLE_NAMES(PID_get, "GPID"); 627 628 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 629 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 630 631 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 632 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 633 634 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 635 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 636 637 static struct sony_nc_value sony_nc_values[] = { 638 SNC_HANDLE(brightness_default, snc_brightness_def_get, 639 snc_brightness_def_set, brightness_default_validate, 0), 640 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 641 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 642 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 643 boolean_validate, 0), 644 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 645 boolean_validate, 1), 646 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 647 boolean_validate, 0), 648 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 649 boolean_validate, 0), 650 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 651 boolean_validate, 0), 652 /* unknown methods */ 653 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 654 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 655 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 656 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 657 SNC_HANDLE_NULL 658 }; 659 660 static acpi_handle sony_nc_acpi_handle; 661 static struct acpi_device *sony_nc_acpi_device = NULL; 662 663 /* 664 * acpi_evaluate_object wrappers 665 */ 666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result) 667 { 668 struct acpi_buffer output; 669 union acpi_object out_obj; 670 acpi_status status; 671 672 output.length = sizeof(out_obj); 673 output.pointer = &out_obj; 674 675 status = acpi_evaluate_object(handle, name, NULL, &output); 676 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) { 677 *result = out_obj.integer.value; 678 return 0; 679 } 680 681 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n"); 682 683 return -1; 684 } 685 686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value, 687 int *result) 688 { 689 struct acpi_object_list params; 690 union acpi_object in_obj; 691 struct acpi_buffer output; 692 union acpi_object out_obj; 693 acpi_status status; 694 695 params.count = 1; 696 params.pointer = &in_obj; 697 in_obj.type = ACPI_TYPE_INTEGER; 698 in_obj.integer.value = value; 699 700 output.length = sizeof(out_obj); 701 output.pointer = &out_obj; 702 703 status = acpi_evaluate_object(handle, name, ¶ms, &output); 704 if (status == AE_OK) { 705 if (result != NULL) { 706 if (out_obj.type != ACPI_TYPE_INTEGER) { 707 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad " 708 "return type\n"); 709 return -1; 710 } 711 *result = out_obj.integer.value; 712 } 713 return 0; 714 } 715 716 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n"); 717 718 return -1; 719 } 720 721 static int sony_find_snc_handle(int handle) 722 { 723 int i; 724 int result; 725 726 for (i = 0x20; i < 0x30; i++) { 727 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result); 728 if (result == handle) 729 return i-0x20; 730 } 731 732 return -1; 733 } 734 735 static int sony_call_snc_handle(int handle, int argument, int *result) 736 { 737 int offset = sony_find_snc_handle(handle); 738 739 if (offset < 0) 740 return -1; 741 742 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument, 743 result); 744 } 745 746 /* 747 * sony_nc_values input/output validate functions 748 */ 749 750 /* brightness_default_validate: 751 * 752 * manipulate input output values to keep consistency with the 753 * backlight framework for which brightness values are 0-based. 754 */ 755 static int brightness_default_validate(const int direction, const int value) 756 { 757 switch (direction) { 758 case SNC_VALIDATE_OUT: 759 return value - 1; 760 case SNC_VALIDATE_IN: 761 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 762 return value + 1; 763 } 764 return -EINVAL; 765 } 766 767 /* boolean_validate: 768 * 769 * on input validate boolean values 0/1, on output just pass the 770 * received value. 771 */ 772 static int boolean_validate(const int direction, const int value) 773 { 774 if (direction == SNC_VALIDATE_IN) { 775 if (value != 0 && value != 1) 776 return -EINVAL; 777 } 778 return value; 779 } 780 781 /* 782 * Sysfs show/store common to all sony_nc_values 783 */ 784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 785 char *buffer) 786 { 787 int value; 788 struct sony_nc_value *item = 789 container_of(attr, struct sony_nc_value, devattr); 790 791 if (!*item->acpiget) 792 return -EIO; 793 794 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0) 795 return -EIO; 796 797 if (item->validate) 798 value = item->validate(SNC_VALIDATE_OUT, value); 799 800 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 801 } 802 803 static ssize_t sony_nc_sysfs_store(struct device *dev, 804 struct device_attribute *attr, 805 const char *buffer, size_t count) 806 { 807 int value; 808 struct sony_nc_value *item = 809 container_of(attr, struct sony_nc_value, devattr); 810 811 if (!item->acpiset) 812 return -EIO; 813 814 if (count > 31) 815 return -EINVAL; 816 817 value = simple_strtoul(buffer, NULL, 10); 818 819 if (item->validate) 820 value = item->validate(SNC_VALIDATE_IN, value); 821 822 if (value < 0) 823 return value; 824 825 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0) 826 return -EIO; 827 item->value = value; 828 item->valid = 1; 829 return count; 830 } 831 832 833 /* 834 * Backlight device 835 */ 836 static int sony_backlight_update_status(struct backlight_device *bd) 837 { 838 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 839 bd->props.brightness + 1, NULL); 840 } 841 842 static int sony_backlight_get_brightness(struct backlight_device *bd) 843 { 844 int value; 845 846 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) 847 return 0; 848 /* brightness levels are 1-based, while backlight ones are 0-based */ 849 return value - 1; 850 } 851 852 static struct backlight_device *sony_backlight_device; 853 static struct backlight_ops sony_backlight_ops = { 854 .update_status = sony_backlight_update_status, 855 .get_brightness = sony_backlight_get_brightness, 856 }; 857 858 /* 859 * New SNC-only Vaios event mapping to driver known keys 860 */ 861 struct sony_nc_event { 862 u8 data; 863 u8 event; 864 }; 865 866 static struct sony_nc_event sony_100_events[] = { 867 { 0x90, SONYPI_EVENT_PKEY_P1 }, 868 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 869 { 0x91, SONYPI_EVENT_PKEY_P2 }, 870 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 871 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 872 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 873 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 874 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 875 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 876 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 877 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 878 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 879 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 880 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 881 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 882 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 883 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 884 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 885 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 886 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 887 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 888 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 889 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 890 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 891 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 892 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 893 { 0, 0 }, 894 }; 895 896 static struct sony_nc_event sony_127_events[] = { 897 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 898 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 899 { 0x82, SONYPI_EVENT_PKEY_P1 }, 900 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 901 { 0x83, SONYPI_EVENT_PKEY_P2 }, 902 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 903 { 0x84, SONYPI_EVENT_PKEY_P3 }, 904 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 905 { 0x85, SONYPI_EVENT_PKEY_P4 }, 906 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 907 { 0x86, SONYPI_EVENT_PKEY_P5 }, 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 sony_call_snc_handle(0x0127, 0, &result); 1008 1009 return 0; 1010 } 1011 1012 static int sony_nc_resume(struct acpi_device *device) 1013 { 1014 struct sony_nc_value *item; 1015 acpi_handle handle; 1016 1017 for (item = sony_nc_values; item->name; item++) { 1018 int ret; 1019 1020 if (!item->valid) 1021 continue; 1022 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, 1023 item->value, NULL); 1024 if (ret < 0) { 1025 printk("%s: %d\n", __func__, ret); 1026 break; 1027 } 1028 } 1029 1030 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1031 &handle))) { 1032 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1033 dprintk("ECON Method failed\n"); 1034 } 1035 1036 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1037 &handle))) { 1038 dprintk("Doing SNC setup\n"); 1039 sony_nc_function_setup(device); 1040 } 1041 1042 /* set the last requested brightness level */ 1043 if (sony_backlight_device && 1044 sony_backlight_update_status(sony_backlight_device) < 0) 1045 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); 1046 1047 return 0; 1048 } 1049 1050 static void sony_nc_rfkill_cleanup(void) 1051 { 1052 int i; 1053 1054 for (i = 0; i < SONY_RFKILL_MAX; i++) { 1055 if (sony_rfkill_devices[i]) 1056 rfkill_unregister(sony_rfkill_devices[i]); 1057 } 1058 } 1059 1060 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state) 1061 { 1062 int result; 1063 int argument = sony_rfkill_address[(long) data]; 1064 1065 sony_call_snc_handle(0x124, 0x200, &result); 1066 if (result & 0x1) { 1067 sony_call_snc_handle(0x124, argument, &result); 1068 if (result & 0xf) 1069 *state = RFKILL_STATE_UNBLOCKED; 1070 else 1071 *state = RFKILL_STATE_SOFT_BLOCKED; 1072 } else { 1073 *state = RFKILL_STATE_HARD_BLOCKED; 1074 } 1075 1076 return 0; 1077 } 1078 1079 static int sony_nc_rfkill_set(void *data, enum rfkill_state state) 1080 { 1081 int result; 1082 int argument = sony_rfkill_address[(long) data] + 0x100; 1083 1084 if (state == RFKILL_STATE_UNBLOCKED) 1085 argument |= 0xff0000; 1086 1087 return sony_call_snc_handle(0x124, argument, &result); 1088 } 1089 1090 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device) 1091 { 1092 int err = 0; 1093 struct rfkill *sony_wifi_rfkill; 1094 1095 sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN); 1096 if (!sony_wifi_rfkill) 1097 return -1; 1098 sony_wifi_rfkill->name = "sony-wifi"; 1099 sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set; 1100 sony_wifi_rfkill->get_state = sony_nc_rfkill_get; 1101 sony_wifi_rfkill->user_claim_unsupported = 1; 1102 sony_wifi_rfkill->data = (void *)SONY_WIFI; 1103 err = rfkill_register(sony_wifi_rfkill); 1104 if (err) 1105 rfkill_free(sony_wifi_rfkill); 1106 else { 1107 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill; 1108 sony_nc_rfkill_set(sony_wifi_rfkill->data, 1109 RFKILL_STATE_UNBLOCKED); 1110 } 1111 return err; 1112 } 1113 1114 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device) 1115 { 1116 int err = 0; 1117 struct rfkill *sony_bluetooth_rfkill; 1118 1119 sony_bluetooth_rfkill = rfkill_allocate(&device->dev, 1120 RFKILL_TYPE_BLUETOOTH); 1121 if (!sony_bluetooth_rfkill) 1122 return -1; 1123 sony_bluetooth_rfkill->name = "sony-bluetooth"; 1124 sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set; 1125 sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get; 1126 sony_bluetooth_rfkill->user_claim_unsupported = 1; 1127 sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH; 1128 err = rfkill_register(sony_bluetooth_rfkill); 1129 if (err) 1130 rfkill_free(sony_bluetooth_rfkill); 1131 else { 1132 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill; 1133 sony_nc_rfkill_set(sony_bluetooth_rfkill->data, 1134 RFKILL_STATE_UNBLOCKED); 1135 } 1136 return err; 1137 } 1138 1139 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device) 1140 { 1141 int err = 0; 1142 struct rfkill *sony_wwan_rfkill; 1143 1144 sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN); 1145 if (!sony_wwan_rfkill) 1146 return -1; 1147 sony_wwan_rfkill->name = "sony-wwan"; 1148 sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set; 1149 sony_wwan_rfkill->get_state = sony_nc_rfkill_get; 1150 sony_wwan_rfkill->user_claim_unsupported = 1; 1151 sony_wwan_rfkill->data = (void *)SONY_WWAN; 1152 err = rfkill_register(sony_wwan_rfkill); 1153 if (err) 1154 rfkill_free(sony_wwan_rfkill); 1155 else { 1156 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill; 1157 sony_nc_rfkill_set(sony_wwan_rfkill->data, 1158 RFKILL_STATE_UNBLOCKED); 1159 } 1160 return err; 1161 } 1162 1163 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device) 1164 { 1165 int err = 0; 1166 struct rfkill *sony_wimax_rfkill; 1167 1168 sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX); 1169 if (!sony_wimax_rfkill) 1170 return -1; 1171 sony_wimax_rfkill->name = "sony-wimax"; 1172 sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set; 1173 sony_wimax_rfkill->get_state = sony_nc_rfkill_get; 1174 sony_wimax_rfkill->user_claim_unsupported = 1; 1175 sony_wimax_rfkill->data = (void *)SONY_WIMAX; 1176 err = rfkill_register(sony_wimax_rfkill); 1177 if (err) 1178 rfkill_free(sony_wimax_rfkill); 1179 else { 1180 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill; 1181 sony_nc_rfkill_set(sony_wimax_rfkill->data, 1182 RFKILL_STATE_UNBLOCKED); 1183 } 1184 return err; 1185 } 1186 1187 static void sony_nc_rfkill_update() 1188 { 1189 int i; 1190 enum rfkill_state state; 1191 1192 for (i = 0; i < SONY_RFKILL_MAX; i++) { 1193 if (sony_rfkill_devices[i]) { 1194 sony_rfkill_devices[i]-> 1195 get_state(sony_rfkill_devices[i]->data, 1196 &state); 1197 rfkill_force_state(sony_rfkill_devices[i], state); 1198 } 1199 } 1200 } 1201 1202 static int sony_nc_rfkill_setup(struct acpi_device *device) 1203 { 1204 int result, ret; 1205 1206 if (sony_find_snc_handle(0x124) == -1) 1207 return -1; 1208 1209 ret = sony_call_snc_handle(0x124, 0xb00, &result); 1210 if (ret) { 1211 printk(KERN_INFO DRV_PFX 1212 "Unable to enumerate rfkill devices: %x\n", ret); 1213 return ret; 1214 } 1215 1216 if (result & 0x1) 1217 sony_nc_setup_wifi_rfkill(device); 1218 if (result & 0x2) 1219 sony_nc_setup_bluetooth_rfkill(device); 1220 if (result & 0x1c) 1221 sony_nc_setup_wwan_rfkill(device); 1222 if (result & 0x20) 1223 sony_nc_setup_wimax_rfkill(device); 1224 1225 return 0; 1226 } 1227 1228 static int sony_nc_add(struct acpi_device *device) 1229 { 1230 acpi_status status; 1231 int result = 0; 1232 acpi_handle handle; 1233 struct sony_nc_value *item; 1234 1235 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1236 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1237 1238 sony_nc_acpi_device = device; 1239 strcpy(acpi_device_class(device), "sony/hotkey"); 1240 1241 sony_nc_acpi_handle = device->handle; 1242 1243 /* read device status */ 1244 result = acpi_bus_get_status(device); 1245 /* bail IFF the above call was successful and the device is not present */ 1246 if (!result && !device->status.present) { 1247 dprintk("Device not present\n"); 1248 result = -ENODEV; 1249 goto outwalk; 1250 } 1251 1252 if (debug) { 1253 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1254 1, sony_walk_callback, NULL, NULL); 1255 if (ACPI_FAILURE(status)) { 1256 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1257 result = -ENODEV; 1258 goto outwalk; 1259 } 1260 } 1261 1262 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1 1263 * should be respected as we already checked for the device presence above */ 1264 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) { 1265 dprintk("Invoking _INI\n"); 1266 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI, 1267 NULL, NULL))) 1268 dprintk("_INI Method failed\n"); 1269 } 1270 1271 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1272 &handle))) { 1273 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1274 dprintk("ECON Method failed\n"); 1275 } 1276 1277 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1278 &handle))) { 1279 dprintk("Doing SNC setup\n"); 1280 sony_nc_function_setup(device); 1281 sony_nc_rfkill_setup(device); 1282 } 1283 1284 /* setup input devices and helper fifo */ 1285 result = sony_laptop_setup_input(device); 1286 if (result) { 1287 printk(KERN_ERR DRV_PFX 1288 "Unable to create input devices.\n"); 1289 goto outwalk; 1290 } 1291 1292 if (acpi_video_backlight_support()) { 1293 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1294 "controlled by ACPI video driver\n"); 1295 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1296 &handle))) { 1297 sony_backlight_device = backlight_device_register("sony", NULL, 1298 NULL, 1299 &sony_backlight_ops); 1300 1301 if (IS_ERR(sony_backlight_device)) { 1302 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1303 sony_backlight_device = NULL; 1304 } else { 1305 sony_backlight_device->props.brightness = 1306 sony_backlight_get_brightness 1307 (sony_backlight_device); 1308 sony_backlight_device->props.max_brightness = 1309 SONY_MAX_BRIGHTNESS - 1; 1310 } 1311 1312 } 1313 1314 result = sony_pf_add(); 1315 if (result) 1316 goto outbacklight; 1317 1318 /* create sony_pf sysfs attributes related to the SNC device */ 1319 for (item = sony_nc_values; item->name; ++item) { 1320 1321 if (!debug && item->debug) 1322 continue; 1323 1324 /* find the available acpiget as described in the DSDT */ 1325 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1326 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1327 *item->acpiget, 1328 &handle))) { 1329 dprintk("Found %s getter: %s\n", 1330 item->name, *item->acpiget); 1331 item->devattr.attr.mode |= S_IRUGO; 1332 break; 1333 } 1334 } 1335 1336 /* find the available acpiset as described in the DSDT */ 1337 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1338 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1339 *item->acpiset, 1340 &handle))) { 1341 dprintk("Found %s setter: %s\n", 1342 item->name, *item->acpiset); 1343 item->devattr.attr.mode |= S_IWUSR; 1344 break; 1345 } 1346 } 1347 1348 if (item->devattr.attr.mode != 0) { 1349 result = 1350 device_create_file(&sony_pf_device->dev, 1351 &item->devattr); 1352 if (result) 1353 goto out_sysfs; 1354 } 1355 } 1356 1357 return 0; 1358 1359 out_sysfs: 1360 for (item = sony_nc_values; item->name; ++item) { 1361 device_remove_file(&sony_pf_device->dev, &item->devattr); 1362 } 1363 sony_pf_remove(); 1364 1365 outbacklight: 1366 if (sony_backlight_device) 1367 backlight_device_unregister(sony_backlight_device); 1368 1369 sony_laptop_remove_input(); 1370 1371 outwalk: 1372 sony_nc_rfkill_cleanup(); 1373 return result; 1374 } 1375 1376 static int sony_nc_remove(struct acpi_device *device, int type) 1377 { 1378 struct sony_nc_value *item; 1379 1380 if (sony_backlight_device) 1381 backlight_device_unregister(sony_backlight_device); 1382 1383 sony_nc_acpi_device = NULL; 1384 1385 for (item = sony_nc_values; item->name; ++item) { 1386 device_remove_file(&sony_pf_device->dev, &item->devattr); 1387 } 1388 1389 sony_pf_remove(); 1390 sony_laptop_remove_input(); 1391 sony_nc_rfkill_cleanup(); 1392 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1393 1394 return 0; 1395 } 1396 1397 static const struct acpi_device_id sony_device_ids[] = { 1398 {SONY_NC_HID, 0}, 1399 {SONY_PIC_HID, 0}, 1400 {"", 0}, 1401 }; 1402 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1403 1404 static const struct acpi_device_id sony_nc_device_ids[] = { 1405 {SONY_NC_HID, 0}, 1406 {"", 0}, 1407 }; 1408 1409 static struct acpi_driver sony_nc_driver = { 1410 .name = SONY_NC_DRIVER_NAME, 1411 .class = SONY_NC_CLASS, 1412 .ids = sony_nc_device_ids, 1413 .owner = THIS_MODULE, 1414 .ops = { 1415 .add = sony_nc_add, 1416 .remove = sony_nc_remove, 1417 .resume = sony_nc_resume, 1418 .notify = sony_nc_notify, 1419 }, 1420 }; 1421 1422 /*********** SPIC (SNY6001) Device ***********/ 1423 1424 #define SONYPI_DEVICE_TYPE1 0x00000001 1425 #define SONYPI_DEVICE_TYPE2 0x00000002 1426 #define SONYPI_DEVICE_TYPE3 0x00000004 1427 #define SONYPI_DEVICE_TYPE4 0x00000008 1428 1429 #define SONYPI_TYPE1_OFFSET 0x04 1430 #define SONYPI_TYPE2_OFFSET 0x12 1431 #define SONYPI_TYPE3_OFFSET 0x12 1432 1433 struct sony_pic_ioport { 1434 struct acpi_resource_io io1; 1435 struct acpi_resource_io io2; 1436 struct list_head list; 1437 }; 1438 1439 struct sony_pic_irq { 1440 struct acpi_resource_irq irq; 1441 struct list_head list; 1442 }; 1443 1444 struct sonypi_eventtypes { 1445 u8 data; 1446 unsigned long mask; 1447 struct sonypi_event *events; 1448 }; 1449 1450 struct device_ctrl { 1451 int model; 1452 int (*handle_irq)(const u8, const u8); 1453 u16 evport_offset; 1454 u8 has_camera; 1455 u8 has_bluetooth; 1456 u8 has_wwan; 1457 struct sonypi_eventtypes *event_types; 1458 }; 1459 1460 struct sony_pic_dev { 1461 struct device_ctrl *control; 1462 struct acpi_device *acpi_dev; 1463 struct sony_pic_irq *cur_irq; 1464 struct sony_pic_ioport *cur_ioport; 1465 struct list_head interrupts; 1466 struct list_head ioports; 1467 struct mutex lock; 1468 u8 camera_power; 1469 u8 bluetooth_power; 1470 u8 wwan_power; 1471 }; 1472 1473 static struct sony_pic_dev spic_dev = { 1474 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 1475 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 1476 }; 1477 1478 /* Event masks */ 1479 #define SONYPI_JOGGER_MASK 0x00000001 1480 #define SONYPI_CAPTURE_MASK 0x00000002 1481 #define SONYPI_FNKEY_MASK 0x00000004 1482 #define SONYPI_BLUETOOTH_MASK 0x00000008 1483 #define SONYPI_PKEY_MASK 0x00000010 1484 #define SONYPI_BACK_MASK 0x00000020 1485 #define SONYPI_HELP_MASK 0x00000040 1486 #define SONYPI_LID_MASK 0x00000080 1487 #define SONYPI_ZOOM_MASK 0x00000100 1488 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1489 #define SONYPI_MEYE_MASK 0x00000400 1490 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1491 #define SONYPI_BATTERY_MASK 0x00001000 1492 #define SONYPI_WIRELESS_MASK 0x00002000 1493 1494 struct sonypi_event { 1495 u8 data; 1496 u8 event; 1497 }; 1498 1499 /* The set of possible button release events */ 1500 static struct sonypi_event sonypi_releaseev[] = { 1501 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1502 { 0, 0 } 1503 }; 1504 1505 /* The set of possible jogger events */ 1506 static struct sonypi_event sonypi_joggerev[] = { 1507 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1508 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1509 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1510 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1511 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1512 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1513 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1514 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1515 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1516 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1517 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1518 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1519 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1520 { 0, 0 } 1521 }; 1522 1523 /* The set of possible capture button events */ 1524 static struct sonypi_event sonypi_captureev[] = { 1525 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1526 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1527 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1528 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1529 { 0, 0 } 1530 }; 1531 1532 /* The set of possible fnkeys events */ 1533 static struct sonypi_event sonypi_fnkeyev[] = { 1534 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1535 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1536 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1537 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1538 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1539 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1540 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1541 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1542 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1543 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1544 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1545 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1546 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1547 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1548 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1549 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1550 { 0x31, SONYPI_EVENT_FNKEY_D }, 1551 { 0x32, SONYPI_EVENT_FNKEY_E }, 1552 { 0x33, SONYPI_EVENT_FNKEY_F }, 1553 { 0x34, SONYPI_EVENT_FNKEY_S }, 1554 { 0x35, SONYPI_EVENT_FNKEY_B }, 1555 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1556 { 0, 0 } 1557 }; 1558 1559 /* The set of possible program key events */ 1560 static struct sonypi_event sonypi_pkeyev[] = { 1561 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1562 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1563 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1564 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1565 { 0, 0 } 1566 }; 1567 1568 /* The set of possible bluetooth events */ 1569 static struct sonypi_event sonypi_blueev[] = { 1570 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1571 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1572 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1573 { 0, 0 } 1574 }; 1575 1576 /* The set of possible wireless events */ 1577 static struct sonypi_event sonypi_wlessev[] = { 1578 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1579 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1580 { 0, 0 } 1581 }; 1582 1583 /* The set of possible back button events */ 1584 static struct sonypi_event sonypi_backev[] = { 1585 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1586 { 0, 0 } 1587 }; 1588 1589 /* The set of possible help button events */ 1590 static struct sonypi_event sonypi_helpev[] = { 1591 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1592 { 0, 0 } 1593 }; 1594 1595 1596 /* The set of possible lid events */ 1597 static struct sonypi_event sonypi_lidev[] = { 1598 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1599 { 0x50, SONYPI_EVENT_LID_OPENED }, 1600 { 0, 0 } 1601 }; 1602 1603 /* The set of possible zoom events */ 1604 static struct sonypi_event sonypi_zoomev[] = { 1605 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1606 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1607 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1608 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1609 { 0, 0 } 1610 }; 1611 1612 /* The set of possible thumbphrase events */ 1613 static struct sonypi_event sonypi_thumbphraseev[] = { 1614 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1615 { 0, 0 } 1616 }; 1617 1618 /* The set of possible motioneye camera events */ 1619 static struct sonypi_event sonypi_meyeev[] = { 1620 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1621 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1622 { 0, 0 } 1623 }; 1624 1625 /* The set of possible memorystick events */ 1626 static struct sonypi_event sonypi_memorystickev[] = { 1627 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1628 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1629 { 0, 0 } 1630 }; 1631 1632 /* The set of possible battery events */ 1633 static struct sonypi_event sonypi_batteryev[] = { 1634 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1635 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1636 { 0, 0 } 1637 }; 1638 1639 /* The set of possible volume events */ 1640 static struct sonypi_event sonypi_volumeev[] = { 1641 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1642 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1643 { 0, 0 } 1644 }; 1645 1646 /* The set of possible brightness events */ 1647 static struct sonypi_event sonypi_brightnessev[] = { 1648 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1649 { 0, 0 } 1650 }; 1651 1652 static struct sonypi_eventtypes type1_events[] = { 1653 { 0, 0xffffffff, sonypi_releaseev }, 1654 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1655 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1656 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1657 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1658 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1659 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1660 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1661 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1662 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1663 { 0 }, 1664 }; 1665 static struct sonypi_eventtypes type2_events[] = { 1666 { 0, 0xffffffff, sonypi_releaseev }, 1667 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1668 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1669 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1670 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1671 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1672 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1673 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1674 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1675 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1676 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1677 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1678 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1679 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1680 { 0 }, 1681 }; 1682 static struct sonypi_eventtypes type3_events[] = { 1683 { 0, 0xffffffff, sonypi_releaseev }, 1684 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1685 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1686 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1687 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1688 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1689 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1690 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1691 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1692 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1693 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1694 { 0 }, 1695 }; 1696 1697 /* low level spic calls */ 1698 #define ITERATIONS_LONG 10000 1699 #define ITERATIONS_SHORT 10 1700 #define wait_on_command(command, iterations) { \ 1701 unsigned int n = iterations; \ 1702 while (--n && (command)) \ 1703 udelay(1); \ 1704 if (!n) \ 1705 dprintk("command failed at %s : %s (line %d)\n", \ 1706 __FILE__, __func__, __LINE__); \ 1707 } 1708 1709 static u8 sony_pic_call1(u8 dev) 1710 { 1711 u8 v1, v2; 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 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1717 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1718 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1719 return v2; 1720 } 1721 1722 static u8 sony_pic_call2(u8 dev, u8 fn) 1723 { 1724 u8 v1; 1725 1726 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1727 ITERATIONS_LONG); 1728 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1729 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1730 ITERATIONS_LONG); 1731 outb(fn, spic_dev.cur_ioport->io1.minimum); 1732 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1733 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1734 return v1; 1735 } 1736 1737 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1738 { 1739 u8 v1; 1740 1741 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1742 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1743 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1744 outb(fn, spic_dev.cur_ioport->io1.minimum); 1745 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1746 outb(v, spic_dev.cur_ioport->io1.minimum); 1747 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1748 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1749 dev, fn, v, v1); 1750 return v1; 1751 } 1752 1753 /* 1754 * minidrivers for SPIC models 1755 */ 1756 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1757 { 1758 /* 1759 * 0x31 could mean we have to take some extra action and wait for 1760 * the next irq for some Type3 models, it will generate a new 1761 * irq and we can read new data from the device: 1762 * - 0x5c and 0x5f requires 0xA0 1763 * - 0x61 requires 0xB3 1764 */ 1765 if (data_mask == 0x31) { 1766 if (ev == 0x5c || ev == 0x5f) 1767 sony_pic_call1(0xA0); 1768 else if (ev == 0x61) 1769 sony_pic_call1(0xB3); 1770 return 0; 1771 } 1772 return 1; 1773 } 1774 1775 static struct device_ctrl spic_types[] = { 1776 { 1777 .model = SONYPI_DEVICE_TYPE1, 1778 .handle_irq = NULL, 1779 .evport_offset = SONYPI_TYPE1_OFFSET, 1780 .event_types = type1_events, 1781 }, 1782 { 1783 .model = SONYPI_DEVICE_TYPE2, 1784 .handle_irq = NULL, 1785 .evport_offset = SONYPI_TYPE2_OFFSET, 1786 .event_types = type2_events, 1787 }, 1788 { 1789 .model = SONYPI_DEVICE_TYPE3, 1790 .handle_irq = type3_handle_irq, 1791 .evport_offset = SONYPI_TYPE3_OFFSET, 1792 .event_types = type3_events, 1793 }, 1794 }; 1795 1796 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 1797 { 1798 struct pci_dev *pcidev; 1799 1800 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1801 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 1802 if (pcidev) { 1803 dev->control = &spic_types[0]; 1804 goto out; 1805 } 1806 1807 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1808 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1809 if (pcidev) { 1810 dev->control = &spic_types[2]; 1811 goto out; 1812 } 1813 1814 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1815 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1816 if (pcidev) { 1817 dev->control = &spic_types[2]; 1818 goto out; 1819 } 1820 1821 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1822 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1823 if (pcidev) { 1824 dev->control = &spic_types[2]; 1825 goto out; 1826 } 1827 1828 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1829 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 1830 if (pcidev) { 1831 dev->control = &spic_types[2]; 1832 goto out; 1833 } 1834 1835 /* default */ 1836 dev->control = &spic_types[1]; 1837 1838 out: 1839 if (pcidev) 1840 pci_dev_put(pcidev); 1841 1842 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1843 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 : 1844 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1845 } 1846 1847 /* camera tests and poweron/poweroff */ 1848 #define SONYPI_CAMERA_PICTURE 5 1849 #define SONYPI_CAMERA_CONTROL 0x10 1850 1851 #define SONYPI_CAMERA_BRIGHTNESS 0 1852 #define SONYPI_CAMERA_CONTRAST 1 1853 #define SONYPI_CAMERA_HUE 2 1854 #define SONYPI_CAMERA_COLOR 3 1855 #define SONYPI_CAMERA_SHARPNESS 4 1856 1857 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1858 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1859 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1860 #define SONYPI_CAMERA_MUTE_MASK 0x40 1861 1862 /* the rest don't need a loop until not 0xff */ 1863 #define SONYPI_CAMERA_AGC 6 1864 #define SONYPI_CAMERA_AGC_MASK 0x30 1865 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1866 1867 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1868 #define SONYPI_CAMERA_CONTROL 0x10 1869 1870 #define SONYPI_CAMERA_STATUS 7 1871 #define SONYPI_CAMERA_STATUS_READY 0x2 1872 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1873 1874 #define SONYPI_DIRECTION_BACKWARDS 0x4 1875 1876 #define SONYPI_CAMERA_REVISION 8 1877 #define SONYPI_CAMERA_ROMVERSION 9 1878 1879 static int __sony_pic_camera_ready(void) 1880 { 1881 u8 v; 1882 1883 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1884 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1885 } 1886 1887 static int __sony_pic_camera_off(void) 1888 { 1889 if (!camera) { 1890 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1891 return -ENODEV; 1892 } 1893 1894 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1895 SONYPI_CAMERA_MUTE_MASK), 1896 ITERATIONS_SHORT); 1897 1898 if (spic_dev.camera_power) { 1899 sony_pic_call2(0x91, 0); 1900 spic_dev.camera_power = 0; 1901 } 1902 return 0; 1903 } 1904 1905 static int __sony_pic_camera_on(void) 1906 { 1907 int i, j, x; 1908 1909 if (!camera) { 1910 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1911 return -ENODEV; 1912 } 1913 1914 if (spic_dev.camera_power) 1915 return 0; 1916 1917 for (j = 5; j > 0; j--) { 1918 1919 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1920 msleep(10); 1921 sony_pic_call1(0x93); 1922 1923 for (i = 400; i > 0; i--) { 1924 if (__sony_pic_camera_ready()) 1925 break; 1926 msleep(10); 1927 } 1928 if (i) 1929 break; 1930 } 1931 1932 if (j == 0) { 1933 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1934 return -ENODEV; 1935 } 1936 1937 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1938 0x5a), 1939 ITERATIONS_SHORT); 1940 1941 spic_dev.camera_power = 1; 1942 return 0; 1943 } 1944 1945 /* External camera command (exported to the motion eye v4l driver) */ 1946 int sony_pic_camera_command(int command, u8 value) 1947 { 1948 if (!camera) 1949 return -EIO; 1950 1951 mutex_lock(&spic_dev.lock); 1952 1953 switch (command) { 1954 case SONY_PIC_COMMAND_SETCAMERA: 1955 if (value) 1956 __sony_pic_camera_on(); 1957 else 1958 __sony_pic_camera_off(); 1959 break; 1960 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1961 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1962 ITERATIONS_SHORT); 1963 break; 1964 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1965 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1966 ITERATIONS_SHORT); 1967 break; 1968 case SONY_PIC_COMMAND_SETCAMERAHUE: 1969 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1970 ITERATIONS_SHORT); 1971 break; 1972 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1973 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1974 ITERATIONS_SHORT); 1975 break; 1976 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1977 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1978 ITERATIONS_SHORT); 1979 break; 1980 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1981 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1982 ITERATIONS_SHORT); 1983 break; 1984 case SONY_PIC_COMMAND_SETCAMERAAGC: 1985 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1986 ITERATIONS_SHORT); 1987 break; 1988 default: 1989 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1990 command); 1991 break; 1992 } 1993 mutex_unlock(&spic_dev.lock); 1994 return 0; 1995 } 1996 EXPORT_SYMBOL(sony_pic_camera_command); 1997 1998 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 1999 static void __sony_pic_set_wwanpower(u8 state) 2000 { 2001 state = !!state; 2002 if (spic_dev.wwan_power == state) 2003 return; 2004 sony_pic_call2(0xB0, state); 2005 sony_pic_call1(0x82); 2006 spic_dev.wwan_power = state; 2007 } 2008 2009 static ssize_t sony_pic_wwanpower_store(struct device *dev, 2010 struct device_attribute *attr, 2011 const char *buffer, size_t count) 2012 { 2013 unsigned long value; 2014 if (count > 31) 2015 return -EINVAL; 2016 2017 value = simple_strtoul(buffer, NULL, 10); 2018 mutex_lock(&spic_dev.lock); 2019 __sony_pic_set_wwanpower(value); 2020 mutex_unlock(&spic_dev.lock); 2021 2022 return count; 2023 } 2024 2025 static ssize_t sony_pic_wwanpower_show(struct device *dev, 2026 struct device_attribute *attr, char *buffer) 2027 { 2028 ssize_t count; 2029 mutex_lock(&spic_dev.lock); 2030 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 2031 mutex_unlock(&spic_dev.lock); 2032 return count; 2033 } 2034 2035 /* bluetooth subsystem power state */ 2036 static void __sony_pic_set_bluetoothpower(u8 state) 2037 { 2038 state = !!state; 2039 if (spic_dev.bluetooth_power == state) 2040 return; 2041 sony_pic_call2(0x96, state); 2042 sony_pic_call1(0x82); 2043 spic_dev.bluetooth_power = state; 2044 } 2045 2046 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 2047 struct device_attribute *attr, 2048 const char *buffer, size_t count) 2049 { 2050 unsigned long value; 2051 if (count > 31) 2052 return -EINVAL; 2053 2054 value = simple_strtoul(buffer, NULL, 10); 2055 mutex_lock(&spic_dev.lock); 2056 __sony_pic_set_bluetoothpower(value); 2057 mutex_unlock(&spic_dev.lock); 2058 2059 return count; 2060 } 2061 2062 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 2063 struct device_attribute *attr, char *buffer) 2064 { 2065 ssize_t count = 0; 2066 mutex_lock(&spic_dev.lock); 2067 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2068 mutex_unlock(&spic_dev.lock); 2069 return count; 2070 } 2071 2072 /* fan speed */ 2073 /* FAN0 information (reverse engineered from ACPI tables) */ 2074 #define SONY_PIC_FAN0_STATUS 0x93 2075 static int sony_pic_set_fanspeed(unsigned long value) 2076 { 2077 return ec_write(SONY_PIC_FAN0_STATUS, value); 2078 } 2079 2080 static int sony_pic_get_fanspeed(u8 *value) 2081 { 2082 return ec_read(SONY_PIC_FAN0_STATUS, value); 2083 } 2084 2085 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2086 struct device_attribute *attr, 2087 const char *buffer, size_t count) 2088 { 2089 unsigned long value; 2090 if (count > 31) 2091 return -EINVAL; 2092 2093 value = simple_strtoul(buffer, NULL, 10); 2094 if (sony_pic_set_fanspeed(value)) 2095 return -EIO; 2096 2097 return count; 2098 } 2099 2100 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2101 struct device_attribute *attr, char *buffer) 2102 { 2103 u8 value = 0; 2104 if (sony_pic_get_fanspeed(&value)) 2105 return -EIO; 2106 2107 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2108 } 2109 2110 #define SPIC_ATTR(_name, _mode) \ 2111 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2112 _mode, sony_pic_## _name ##_show, \ 2113 sony_pic_## _name ##_store) 2114 2115 static SPIC_ATTR(bluetoothpower, 0644); 2116 static SPIC_ATTR(wwanpower, 0644); 2117 static SPIC_ATTR(fanspeed, 0644); 2118 2119 static struct attribute *spic_attributes[] = { 2120 &spic_attr_bluetoothpower.attr, 2121 &spic_attr_wwanpower.attr, 2122 &spic_attr_fanspeed.attr, 2123 NULL 2124 }; 2125 2126 static struct attribute_group spic_attribute_group = { 2127 .attrs = spic_attributes 2128 }; 2129 2130 /******** SONYPI compatibility **********/ 2131 #ifdef CONFIG_SONYPI_COMPAT 2132 2133 /* battery / brightness / temperature addresses */ 2134 #define SONYPI_BAT_FLAGS 0x81 2135 #define SONYPI_LCD_LIGHT 0x96 2136 #define SONYPI_BAT1_PCTRM 0xa0 2137 #define SONYPI_BAT1_LEFT 0xa2 2138 #define SONYPI_BAT1_MAXRT 0xa4 2139 #define SONYPI_BAT2_PCTRM 0xa8 2140 #define SONYPI_BAT2_LEFT 0xaa 2141 #define SONYPI_BAT2_MAXRT 0xac 2142 #define SONYPI_BAT1_MAXTK 0xb0 2143 #define SONYPI_BAT1_FULL 0xb2 2144 #define SONYPI_BAT2_MAXTK 0xb8 2145 #define SONYPI_BAT2_FULL 0xba 2146 #define SONYPI_TEMP_STATUS 0xC1 2147 2148 struct sonypi_compat_s { 2149 struct fasync_struct *fifo_async; 2150 struct kfifo *fifo; 2151 spinlock_t fifo_lock; 2152 wait_queue_head_t fifo_proc_list; 2153 atomic_t open_count; 2154 }; 2155 static struct sonypi_compat_s sonypi_compat = { 2156 .open_count = ATOMIC_INIT(0), 2157 }; 2158 2159 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2160 { 2161 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2162 } 2163 2164 static int sonypi_misc_release(struct inode *inode, struct file *file) 2165 { 2166 atomic_dec(&sonypi_compat.open_count); 2167 return 0; 2168 } 2169 2170 static int sonypi_misc_open(struct inode *inode, struct file *file) 2171 { 2172 /* Flush input queue on first open */ 2173 unsigned long flags; 2174 2175 spin_lock_irqsave(sonypi_compat.fifo->lock, flags); 2176 2177 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2178 __kfifo_reset(sonypi_compat.fifo); 2179 2180 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags); 2181 2182 return 0; 2183 } 2184 2185 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2186 size_t count, loff_t *pos) 2187 { 2188 ssize_t ret; 2189 unsigned char c; 2190 2191 if ((kfifo_len(sonypi_compat.fifo) == 0) && 2192 (file->f_flags & O_NONBLOCK)) 2193 return -EAGAIN; 2194 2195 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2196 kfifo_len(sonypi_compat.fifo) != 0); 2197 if (ret) 2198 return ret; 2199 2200 while (ret < count && 2201 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { 2202 if (put_user(c, buf++)) 2203 return -EFAULT; 2204 ret++; 2205 } 2206 2207 if (ret > 0) { 2208 struct inode *inode = file->f_path.dentry->d_inode; 2209 inode->i_atime = current_fs_time(inode->i_sb); 2210 } 2211 2212 return ret; 2213 } 2214 2215 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2216 { 2217 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2218 if (kfifo_len(sonypi_compat.fifo)) 2219 return POLLIN | POLLRDNORM; 2220 return 0; 2221 } 2222 2223 static int ec_read16(u8 addr, u16 *value) 2224 { 2225 u8 val_lb, val_hb; 2226 if (ec_read(addr, &val_lb)) 2227 return -1; 2228 if (ec_read(addr + 1, &val_hb)) 2229 return -1; 2230 *value = val_lb | (val_hb << 8); 2231 return 0; 2232 } 2233 2234 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2235 unsigned long arg) 2236 { 2237 int ret = 0; 2238 void __user *argp = (void __user *)arg; 2239 u8 val8; 2240 u16 val16; 2241 int value; 2242 2243 mutex_lock(&spic_dev.lock); 2244 switch (cmd) { 2245 case SONYPI_IOCGBRT: 2246 if (sony_backlight_device == NULL) { 2247 ret = -EIO; 2248 break; 2249 } 2250 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2251 ret = -EIO; 2252 break; 2253 } 2254 val8 = ((value & 0xff) - 1) << 5; 2255 if (copy_to_user(argp, &val8, sizeof(val8))) 2256 ret = -EFAULT; 2257 break; 2258 case SONYPI_IOCSBRT: 2259 if (sony_backlight_device == NULL) { 2260 ret = -EIO; 2261 break; 2262 } 2263 if (copy_from_user(&val8, argp, sizeof(val8))) { 2264 ret = -EFAULT; 2265 break; 2266 } 2267 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2268 (val8 >> 5) + 1, NULL)) { 2269 ret = -EIO; 2270 break; 2271 } 2272 /* sync the backlight device status */ 2273 sony_backlight_device->props.brightness = 2274 sony_backlight_get_brightness(sony_backlight_device); 2275 break; 2276 case SONYPI_IOCGBAT1CAP: 2277 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 2278 ret = -EIO; 2279 break; 2280 } 2281 if (copy_to_user(argp, &val16, sizeof(val16))) 2282 ret = -EFAULT; 2283 break; 2284 case SONYPI_IOCGBAT1REM: 2285 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 2286 ret = -EIO; 2287 break; 2288 } 2289 if (copy_to_user(argp, &val16, sizeof(val16))) 2290 ret = -EFAULT; 2291 break; 2292 case SONYPI_IOCGBAT2CAP: 2293 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2294 ret = -EIO; 2295 break; 2296 } 2297 if (copy_to_user(argp, &val16, sizeof(val16))) 2298 ret = -EFAULT; 2299 break; 2300 case SONYPI_IOCGBAT2REM: 2301 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2302 ret = -EIO; 2303 break; 2304 } 2305 if (copy_to_user(argp, &val16, sizeof(val16))) 2306 ret = -EFAULT; 2307 break; 2308 case SONYPI_IOCGBATFLAGS: 2309 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2310 ret = -EIO; 2311 break; 2312 } 2313 val8 &= 0x07; 2314 if (copy_to_user(argp, &val8, sizeof(val8))) 2315 ret = -EFAULT; 2316 break; 2317 case SONYPI_IOCGBLUE: 2318 val8 = spic_dev.bluetooth_power; 2319 if (copy_to_user(argp, &val8, sizeof(val8))) 2320 ret = -EFAULT; 2321 break; 2322 case SONYPI_IOCSBLUE: 2323 if (copy_from_user(&val8, argp, sizeof(val8))) { 2324 ret = -EFAULT; 2325 break; 2326 } 2327 __sony_pic_set_bluetoothpower(val8); 2328 break; 2329 /* FAN Controls */ 2330 case SONYPI_IOCGFAN: 2331 if (sony_pic_get_fanspeed(&val8)) { 2332 ret = -EIO; 2333 break; 2334 } 2335 if (copy_to_user(argp, &val8, sizeof(val8))) 2336 ret = -EFAULT; 2337 break; 2338 case SONYPI_IOCSFAN: 2339 if (copy_from_user(&val8, argp, sizeof(val8))) { 2340 ret = -EFAULT; 2341 break; 2342 } 2343 if (sony_pic_set_fanspeed(val8)) 2344 ret = -EIO; 2345 break; 2346 /* GET Temperature (useful under APM) */ 2347 case SONYPI_IOCGTEMP: 2348 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2349 ret = -EIO; 2350 break; 2351 } 2352 if (copy_to_user(argp, &val8, sizeof(val8))) 2353 ret = -EFAULT; 2354 break; 2355 default: 2356 ret = -EINVAL; 2357 } 2358 mutex_unlock(&spic_dev.lock); 2359 return ret; 2360 } 2361 2362 static const struct file_operations sonypi_misc_fops = { 2363 .owner = THIS_MODULE, 2364 .read = sonypi_misc_read, 2365 .poll = sonypi_misc_poll, 2366 .open = sonypi_misc_open, 2367 .release = sonypi_misc_release, 2368 .fasync = sonypi_misc_fasync, 2369 .unlocked_ioctl = sonypi_misc_ioctl, 2370 }; 2371 2372 static struct miscdevice sonypi_misc_device = { 2373 .minor = MISC_DYNAMIC_MINOR, 2374 .name = "sonypi", 2375 .fops = &sonypi_misc_fops, 2376 }; 2377 2378 static void sonypi_compat_report_event(u8 event) 2379 { 2380 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); 2381 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2382 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2383 } 2384 2385 static int sonypi_compat_init(void) 2386 { 2387 int error; 2388 2389 spin_lock_init(&sonypi_compat.fifo_lock); 2390 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 2391 &sonypi_compat.fifo_lock); 2392 if (IS_ERR(sonypi_compat.fifo)) { 2393 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2394 return PTR_ERR(sonypi_compat.fifo); 2395 } 2396 2397 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2398 2399 if (minor != -1) 2400 sonypi_misc_device.minor = minor; 2401 error = misc_register(&sonypi_misc_device); 2402 if (error) { 2403 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2404 goto err_free_kfifo; 2405 } 2406 if (minor == -1) 2407 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2408 sonypi_misc_device.minor); 2409 2410 return 0; 2411 2412 err_free_kfifo: 2413 kfifo_free(sonypi_compat.fifo); 2414 return error; 2415 } 2416 2417 static void sonypi_compat_exit(void) 2418 { 2419 misc_deregister(&sonypi_misc_device); 2420 kfifo_free(sonypi_compat.fifo); 2421 } 2422 #else 2423 static int sonypi_compat_init(void) { return 0; } 2424 static void sonypi_compat_exit(void) { } 2425 static void sonypi_compat_report_event(u8 event) { } 2426 #endif /* CONFIG_SONYPI_COMPAT */ 2427 2428 /* 2429 * ACPI callbacks 2430 */ 2431 static acpi_status 2432 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2433 { 2434 u32 i; 2435 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2436 2437 switch (resource->type) { 2438 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2439 { 2440 /* start IO enumeration */ 2441 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2442 if (!ioport) 2443 return AE_ERROR; 2444 2445 list_add(&ioport->list, &dev->ioports); 2446 return AE_OK; 2447 } 2448 2449 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2450 /* end IO enumeration */ 2451 return AE_OK; 2452 2453 case ACPI_RESOURCE_TYPE_IRQ: 2454 { 2455 struct acpi_resource_irq *p = &resource->data.irq; 2456 struct sony_pic_irq *interrupt = NULL; 2457 if (!p || !p->interrupt_count) { 2458 /* 2459 * IRQ descriptors may have no IRQ# bits set, 2460 * particularly those those w/ _STA disabled 2461 */ 2462 dprintk("Blank IRQ resource\n"); 2463 return AE_OK; 2464 } 2465 for (i = 0; i < p->interrupt_count; i++) { 2466 if (!p->interrupts[i]) { 2467 printk(KERN_WARNING DRV_PFX 2468 "Invalid IRQ %d\n", 2469 p->interrupts[i]); 2470 continue; 2471 } 2472 interrupt = kzalloc(sizeof(*interrupt), 2473 GFP_KERNEL); 2474 if (!interrupt) 2475 return AE_ERROR; 2476 2477 list_add(&interrupt->list, &dev->interrupts); 2478 interrupt->irq.triggering = p->triggering; 2479 interrupt->irq.polarity = p->polarity; 2480 interrupt->irq.sharable = p->sharable; 2481 interrupt->irq.interrupt_count = 1; 2482 interrupt->irq.interrupts[0] = p->interrupts[i]; 2483 } 2484 return AE_OK; 2485 } 2486 case ACPI_RESOURCE_TYPE_IO: 2487 { 2488 struct acpi_resource_io *io = &resource->data.io; 2489 struct sony_pic_ioport *ioport = 2490 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2491 if (!io) { 2492 dprintk("Blank IO resource\n"); 2493 return AE_OK; 2494 } 2495 2496 if (!ioport->io1.minimum) { 2497 memcpy(&ioport->io1, io, sizeof(*io)); 2498 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2499 ioport->io1.address_length); 2500 } 2501 else if (!ioport->io2.minimum) { 2502 memcpy(&ioport->io2, io, sizeof(*io)); 2503 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2504 ioport->io2.address_length); 2505 } 2506 else { 2507 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2508 return AE_ERROR; 2509 } 2510 return AE_OK; 2511 } 2512 default: 2513 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2514 resource->type); 2515 2516 case ACPI_RESOURCE_TYPE_END_TAG: 2517 return AE_OK; 2518 } 2519 return AE_CTRL_TERMINATE; 2520 } 2521 2522 static int sony_pic_possible_resources(struct acpi_device *device) 2523 { 2524 int result = 0; 2525 acpi_status status = AE_OK; 2526 2527 if (!device) 2528 return -EINVAL; 2529 2530 /* get device status */ 2531 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2532 dprintk("Evaluating _STA\n"); 2533 result = acpi_bus_get_status(device); 2534 if (result) { 2535 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2536 goto end; 2537 } 2538 2539 if (!device->status.enabled) 2540 dprintk("Device disabled\n"); 2541 else 2542 dprintk("Device enabled\n"); 2543 2544 /* 2545 * Query and parse 'method' 2546 */ 2547 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2548 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2549 sony_pic_read_possible_resource, &spic_dev); 2550 if (ACPI_FAILURE(status)) { 2551 printk(KERN_WARNING DRV_PFX 2552 "Failure evaluating %s\n", 2553 METHOD_NAME__PRS); 2554 result = -ENODEV; 2555 } 2556 end: 2557 return result; 2558 } 2559 2560 /* 2561 * Disable the spic device by calling its _DIS method 2562 */ 2563 static int sony_pic_disable(struct acpi_device *device) 2564 { 2565 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2566 NULL); 2567 2568 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2569 return -ENXIO; 2570 2571 dprintk("Device disabled\n"); 2572 return 0; 2573 } 2574 2575 2576 /* 2577 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2578 * 2579 * Call _SRS to set current resources 2580 */ 2581 static int sony_pic_enable(struct acpi_device *device, 2582 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2583 { 2584 acpi_status status; 2585 int result = 0; 2586 /* Type 1 resource layout is: 2587 * IO 2588 * IO 2589 * IRQNoFlags 2590 * End 2591 * 2592 * Type 2 and 3 resource layout is: 2593 * IO 2594 * IRQNoFlags 2595 * End 2596 */ 2597 struct { 2598 struct acpi_resource res1; 2599 struct acpi_resource res2; 2600 struct acpi_resource res3; 2601 struct acpi_resource res4; 2602 } *resource; 2603 struct acpi_buffer buffer = { 0, NULL }; 2604 2605 if (!ioport || !irq) 2606 return -EINVAL; 2607 2608 /* init acpi_buffer */ 2609 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2610 if (!resource) 2611 return -ENOMEM; 2612 2613 buffer.length = sizeof(*resource) + 1; 2614 buffer.pointer = resource; 2615 2616 /* setup Type 1 resources */ 2617 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) { 2618 2619 /* setup io resources */ 2620 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2621 resource->res1.length = sizeof(struct acpi_resource); 2622 memcpy(&resource->res1.data.io, &ioport->io1, 2623 sizeof(struct acpi_resource_io)); 2624 2625 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2626 resource->res2.length = sizeof(struct acpi_resource); 2627 memcpy(&resource->res2.data.io, &ioport->io2, 2628 sizeof(struct acpi_resource_io)); 2629 2630 /* setup irq resource */ 2631 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2632 resource->res3.length = sizeof(struct acpi_resource); 2633 memcpy(&resource->res3.data.irq, &irq->irq, 2634 sizeof(struct acpi_resource_irq)); 2635 /* we requested a shared irq */ 2636 resource->res3.data.irq.sharable = ACPI_SHARED; 2637 2638 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2639 2640 } 2641 /* setup Type 2/3 resources */ 2642 else { 2643 /* setup io resource */ 2644 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2645 resource->res1.length = sizeof(struct acpi_resource); 2646 memcpy(&resource->res1.data.io, &ioport->io1, 2647 sizeof(struct acpi_resource_io)); 2648 2649 /* setup irq resource */ 2650 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2651 resource->res2.length = sizeof(struct acpi_resource); 2652 memcpy(&resource->res2.data.irq, &irq->irq, 2653 sizeof(struct acpi_resource_irq)); 2654 /* we requested a shared irq */ 2655 resource->res2.data.irq.sharable = ACPI_SHARED; 2656 2657 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2658 } 2659 2660 /* Attempt to set the resource */ 2661 dprintk("Evaluating _SRS\n"); 2662 status = acpi_set_current_resources(device->handle, &buffer); 2663 2664 /* check for total failure */ 2665 if (ACPI_FAILURE(status)) { 2666 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2667 result = -ENODEV; 2668 goto end; 2669 } 2670 2671 /* Necessary device initializations calls (from sonypi) */ 2672 sony_pic_call1(0x82); 2673 sony_pic_call2(0x81, 0xff); 2674 sony_pic_call1(compat ? 0x92 : 0x82); 2675 2676 end: 2677 kfree(resource); 2678 return result; 2679 } 2680 2681 /***************** 2682 * 2683 * ISR: some event is available 2684 * 2685 *****************/ 2686 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2687 { 2688 int i, j; 2689 u8 ev = 0; 2690 u8 data_mask = 0; 2691 u8 device_event = 0; 2692 2693 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2694 2695 ev = inb_p(dev->cur_ioport->io1.minimum); 2696 if (dev->cur_ioport->io2.minimum) 2697 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2698 else 2699 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2700 dev->control->evport_offset); 2701 2702 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2703 ev, data_mask, dev->cur_ioport->io1.minimum, 2704 dev->control->evport_offset); 2705 2706 if (ev == 0x00 || ev == 0xff) 2707 return IRQ_HANDLED; 2708 2709 for (i = 0; dev->control->event_types[i].mask; i++) { 2710 2711 if ((data_mask & dev->control->event_types[i].data) != 2712 dev->control->event_types[i].data) 2713 continue; 2714 2715 if (!(mask & dev->control->event_types[i].mask)) 2716 continue; 2717 2718 for (j = 0; dev->control->event_types[i].events[j].event; j++) { 2719 if (ev == dev->control->event_types[i].events[j].data) { 2720 device_event = 2721 dev->control-> 2722 event_types[i].events[j].event; 2723 goto found; 2724 } 2725 } 2726 } 2727 /* Still not able to decode the event try to pass 2728 * it over to the minidriver 2729 */ 2730 if (dev->control->handle_irq && 2731 dev->control->handle_irq(data_mask, ev) == 0) 2732 return IRQ_HANDLED; 2733 2734 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2735 ev, data_mask, dev->cur_ioport->io1.minimum, 2736 dev->control->evport_offset); 2737 return IRQ_HANDLED; 2738 2739 found: 2740 sony_laptop_report_input_event(device_event); 2741 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2742 sonypi_compat_report_event(device_event); 2743 2744 return IRQ_HANDLED; 2745 } 2746 2747 /***************** 2748 * 2749 * ACPI driver 2750 * 2751 *****************/ 2752 static int sony_pic_remove(struct acpi_device *device, int type) 2753 { 2754 struct sony_pic_ioport *io, *tmp_io; 2755 struct sony_pic_irq *irq, *tmp_irq; 2756 2757 if (sony_pic_disable(device)) { 2758 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2759 return -ENXIO; 2760 } 2761 2762 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2763 release_region(spic_dev.cur_ioport->io1.minimum, 2764 spic_dev.cur_ioport->io1.address_length); 2765 if (spic_dev.cur_ioport->io2.minimum) 2766 release_region(spic_dev.cur_ioport->io2.minimum, 2767 spic_dev.cur_ioport->io2.address_length); 2768 2769 sonypi_compat_exit(); 2770 2771 sony_laptop_remove_input(); 2772 2773 /* pf attrs */ 2774 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2775 sony_pf_remove(); 2776 2777 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2778 list_del(&io->list); 2779 kfree(io); 2780 } 2781 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2782 list_del(&irq->list); 2783 kfree(irq); 2784 } 2785 spic_dev.cur_ioport = NULL; 2786 spic_dev.cur_irq = NULL; 2787 2788 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2789 return 0; 2790 } 2791 2792 static int sony_pic_add(struct acpi_device *device) 2793 { 2794 int result; 2795 struct sony_pic_ioport *io, *tmp_io; 2796 struct sony_pic_irq *irq, *tmp_irq; 2797 2798 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2799 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2800 2801 spic_dev.acpi_dev = device; 2802 strcpy(acpi_device_class(device), "sony/hotkey"); 2803 sony_pic_detect_device_type(&spic_dev); 2804 mutex_init(&spic_dev.lock); 2805 2806 /* read _PRS resources */ 2807 result = sony_pic_possible_resources(device); 2808 if (result) { 2809 printk(KERN_ERR DRV_PFX 2810 "Unable to read possible resources.\n"); 2811 goto err_free_resources; 2812 } 2813 2814 /* setup input devices and helper fifo */ 2815 result = sony_laptop_setup_input(device); 2816 if (result) { 2817 printk(KERN_ERR DRV_PFX 2818 "Unable to create input devices.\n"); 2819 goto err_free_resources; 2820 } 2821 2822 if (sonypi_compat_init()) 2823 goto err_remove_input; 2824 2825 /* request io port */ 2826 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2827 if (request_region(io->io1.minimum, io->io1.address_length, 2828 "Sony Programable I/O Device")) { 2829 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2830 io->io1.minimum, io->io1.maximum, 2831 io->io1.address_length); 2832 /* Type 1 have 2 ioports */ 2833 if (io->io2.minimum) { 2834 if (request_region(io->io2.minimum, 2835 io->io2.address_length, 2836 "Sony Programable I/O Device")) { 2837 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2838 io->io2.minimum, io->io2.maximum, 2839 io->io2.address_length); 2840 spic_dev.cur_ioport = io; 2841 break; 2842 } 2843 else { 2844 dprintk("Unable to get I/O port2: " 2845 "0x%.4x (0x%.4x) + 0x%.2x\n", 2846 io->io2.minimum, io->io2.maximum, 2847 io->io2.address_length); 2848 release_region(io->io1.minimum, 2849 io->io1.address_length); 2850 } 2851 } 2852 else { 2853 spic_dev.cur_ioport = io; 2854 break; 2855 } 2856 } 2857 } 2858 if (!spic_dev.cur_ioport) { 2859 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2860 result = -ENODEV; 2861 goto err_remove_compat; 2862 } 2863 2864 /* request IRQ */ 2865 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2866 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2867 IRQF_SHARED, "sony-laptop", &spic_dev)) { 2868 dprintk("IRQ: %d - triggering: %d - " 2869 "polarity: %d - shr: %d\n", 2870 irq->irq.interrupts[0], 2871 irq->irq.triggering, 2872 irq->irq.polarity, 2873 irq->irq.sharable); 2874 spic_dev.cur_irq = irq; 2875 break; 2876 } 2877 } 2878 if (!spic_dev.cur_irq) { 2879 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2880 result = -ENODEV; 2881 goto err_release_region; 2882 } 2883 2884 /* set resource status _SRS */ 2885 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2886 if (result) { 2887 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2888 goto err_free_irq; 2889 } 2890 2891 spic_dev.bluetooth_power = -1; 2892 /* create device attributes */ 2893 result = sony_pf_add(); 2894 if (result) 2895 goto err_disable_device; 2896 2897 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2898 if (result) 2899 goto err_remove_pf; 2900 2901 return 0; 2902 2903 err_remove_pf: 2904 sony_pf_remove(); 2905 2906 err_disable_device: 2907 sony_pic_disable(device); 2908 2909 err_free_irq: 2910 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2911 2912 err_release_region: 2913 release_region(spic_dev.cur_ioport->io1.minimum, 2914 spic_dev.cur_ioport->io1.address_length); 2915 if (spic_dev.cur_ioport->io2.minimum) 2916 release_region(spic_dev.cur_ioport->io2.minimum, 2917 spic_dev.cur_ioport->io2.address_length); 2918 2919 err_remove_compat: 2920 sonypi_compat_exit(); 2921 2922 err_remove_input: 2923 sony_laptop_remove_input(); 2924 2925 err_free_resources: 2926 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2927 list_del(&io->list); 2928 kfree(io); 2929 } 2930 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2931 list_del(&irq->list); 2932 kfree(irq); 2933 } 2934 spic_dev.cur_ioport = NULL; 2935 spic_dev.cur_irq = NULL; 2936 2937 return result; 2938 } 2939 2940 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2941 { 2942 if (sony_pic_disable(device)) 2943 return -ENXIO; 2944 return 0; 2945 } 2946 2947 static int sony_pic_resume(struct acpi_device *device) 2948 { 2949 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2950 return 0; 2951 } 2952 2953 static const struct acpi_device_id sony_pic_device_ids[] = { 2954 {SONY_PIC_HID, 0}, 2955 {"", 0}, 2956 }; 2957 2958 static struct acpi_driver sony_pic_driver = { 2959 .name = SONY_PIC_DRIVER_NAME, 2960 .class = SONY_PIC_CLASS, 2961 .ids = sony_pic_device_ids, 2962 .owner = THIS_MODULE, 2963 .ops = { 2964 .add = sony_pic_add, 2965 .remove = sony_pic_remove, 2966 .suspend = sony_pic_suspend, 2967 .resume = sony_pic_resume, 2968 }, 2969 }; 2970 2971 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2972 { 2973 .ident = "Sony Vaio", 2974 .matches = { 2975 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2976 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2977 }, 2978 }, 2979 { 2980 .ident = "Sony Vaio", 2981 .matches = { 2982 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2983 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2984 }, 2985 }, 2986 { } 2987 }; 2988 2989 static int __init sony_laptop_init(void) 2990 { 2991 int result; 2992 2993 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2994 result = acpi_bus_register_driver(&sony_pic_driver); 2995 if (result) { 2996 printk(KERN_ERR DRV_PFX 2997 "Unable to register SPIC driver."); 2998 goto out; 2999 } 3000 } 3001 3002 result = acpi_bus_register_driver(&sony_nc_driver); 3003 if (result) { 3004 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 3005 goto out_unregister_pic; 3006 } 3007 3008 return 0; 3009 3010 out_unregister_pic: 3011 if (!no_spic) 3012 acpi_bus_unregister_driver(&sony_pic_driver); 3013 out: 3014 return result; 3015 } 3016 3017 static void __exit sony_laptop_exit(void) 3018 { 3019 acpi_bus_unregister_driver(&sony_nc_driver); 3020 if (!no_spic) 3021 acpi_bus_unregister_driver(&sony_pic_driver); 3022 } 3023 3024 module_init(sony_laptop_init); 3025 module_exit(sony_laptop_exit); 3026