1 /* 2 * ACPI Sony Notebook Control Driver (SNC and SPIC) 3 * 4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 6 * 7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 8 * which are copyrighted by their respective authors. 9 * 10 * The SNY6001 driver part is based on the sonypi driver which includes 11 * material from: 12 * 13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 14 * 15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 16 * 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 18 * 19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 20 * 21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 22 * 23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 24 * 25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 26 * 27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 42 * 43 */ 44 45 #include <linux/kernel.h> 46 #include <linux/module.h> 47 #include <linux/moduleparam.h> 48 #include <linux/init.h> 49 #include <linux/types.h> 50 #include <linux/backlight.h> 51 #include <linux/platform_device.h> 52 #include <linux/err.h> 53 #include <linux/dmi.h> 54 #include <linux/pci.h> 55 #include <linux/interrupt.h> 56 #include <linux/delay.h> 57 #include <linux/input.h> 58 #include <linux/kfifo.h> 59 #include <linux/workqueue.h> 60 #include <linux/acpi.h> 61 #include <acpi/acpi_drivers.h> 62 #include <acpi/acpi_bus.h> 63 #include <asm/uaccess.h> 64 #include <linux/sonypi.h> 65 #include <linux/sony-laptop.h> 66 #include <linux/rfkill.h> 67 #ifdef CONFIG_SONYPI_COMPAT 68 #include <linux/poll.h> 69 #include <linux/miscdevice.h> 70 #endif 71 72 #define DRV_PFX "sony-laptop: " 73 #define dprintk(msg...) do { \ 74 if (debug) printk(KERN_WARNING DRV_PFX msg); \ 75 } while (0) 76 77 #define SONY_LAPTOP_DRIVER_VERSION "0.6" 78 79 #define SONY_NC_CLASS "sony-nc" 80 #define SONY_NC_HID "SNY5001" 81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 82 83 #define SONY_PIC_CLASS "sony-pic" 84 #define SONY_PIC_HID "SNY6001" 85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 86 87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 89 MODULE_LICENSE("GPL"); 90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); 91 92 static int debug; 93 module_param(debug, int, 0); 94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 95 "the development of this driver"); 96 97 static int no_spic; /* = 0 */ 98 module_param(no_spic, int, 0444); 99 MODULE_PARM_DESC(no_spic, 100 "set this if you don't want to enable the SPIC device"); 101 102 static int compat; /* = 0 */ 103 module_param(compat, int, 0444); 104 MODULE_PARM_DESC(compat, 105 "set this if you want to enable backward compatibility mode"); 106 107 static unsigned long mask = 0xffffffff; 108 module_param(mask, ulong, 0644); 109 MODULE_PARM_DESC(mask, 110 "set this to the mask of event you want to enable (see doc)"); 111 112 static int camera; /* = 0 */ 113 module_param(camera, int, 0444); 114 MODULE_PARM_DESC(camera, 115 "set this to 1 to enable Motion Eye camera controls " 116 "(only use it if you have a C1VE or C1VN model)"); 117 118 #ifdef CONFIG_SONYPI_COMPAT 119 static int minor = -1; 120 module_param(minor, int, 0); 121 MODULE_PARM_DESC(minor, 122 "minor number of the misc device for the SPIC compatibility code, " 123 "default is -1 (automatic)"); 124 #endif 125 126 enum sony_nc_rfkill { 127 SONY_WIFI, 128 SONY_BLUETOOTH, 129 SONY_WWAN, 130 SONY_WIMAX, 131 N_SONY_RFKILL, 132 }; 133 134 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 135 static int sony_rfkill_address[N_SONY_RFKILL] = {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 < N_SONY_RFKILL; i++) { 1055 if (sony_rfkill_devices[i]) { 1056 rfkill_unregister(sony_rfkill_devices[i]); 1057 rfkill_destroy(sony_rfkill_devices[i]); 1058 } 1059 } 1060 } 1061 1062 static int sony_nc_rfkill_set(void *data, bool blocked) 1063 { 1064 int result; 1065 int argument = sony_rfkill_address[(long) data] + 0x100; 1066 1067 if (!blocked) 1068 argument |= 0xff0000; 1069 1070 return sony_call_snc_handle(0x124, argument, &result); 1071 } 1072 1073 static const struct rfkill_ops sony_rfkill_ops = { 1074 .set_block = sony_nc_rfkill_set, 1075 }; 1076 1077 static int sony_nc_setup_rfkill(struct acpi_device *device, 1078 enum sony_nc_rfkill nc_type) 1079 { 1080 int err = 0; 1081 struct rfkill *rfk; 1082 enum rfkill_type type; 1083 const char *name; 1084 1085 switch (nc_type) { 1086 case SONY_WIFI: 1087 type = RFKILL_TYPE_WLAN; 1088 name = "sony-wifi"; 1089 break; 1090 case SONY_BLUETOOTH: 1091 type = RFKILL_TYPE_BLUETOOTH; 1092 name = "sony-bluetooth"; 1093 break; 1094 case SONY_WWAN: 1095 type = RFKILL_TYPE_WWAN; 1096 name = "sony-wwan"; 1097 break; 1098 case SONY_WIMAX: 1099 type = RFKILL_TYPE_WIMAX; 1100 name = "sony-wimax"; 1101 break; 1102 default: 1103 return -EINVAL; 1104 } 1105 1106 rfk = rfkill_alloc(name, &device->dev, type, 1107 &sony_rfkill_ops, (void *)nc_type); 1108 if (!rfk) 1109 return -ENOMEM; 1110 1111 err = rfkill_register(rfk); 1112 if (err) { 1113 rfkill_destroy(rfk); 1114 return err; 1115 } 1116 sony_rfkill_devices[nc_type] = rfk; 1117 return err; 1118 } 1119 1120 static void sony_nc_rfkill_update() 1121 { 1122 enum sony_nc_rfkill i; 1123 int result; 1124 bool hwblock; 1125 1126 sony_call_snc_handle(0x124, 0x200, &result); 1127 hwblock = !(result & 0x1); 1128 1129 for (i = 0; i < N_SONY_RFKILL; i++) { 1130 int argument = sony_rfkill_address[i]; 1131 1132 if (!sony_rfkill_devices[i]) 1133 continue; 1134 1135 if (hwblock) { 1136 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1137 /* we already know we're blocked */ 1138 } 1139 continue; 1140 } 1141 1142 sony_call_snc_handle(0x124, argument, &result); 1143 rfkill_set_states(sony_rfkill_devices[i], 1144 !(result & 0xf), false); 1145 } 1146 } 1147 1148 static int sony_nc_rfkill_setup(struct acpi_device *device) 1149 { 1150 int result, ret; 1151 1152 if (sony_find_snc_handle(0x124) == -1) 1153 return -1; 1154 1155 ret = sony_call_snc_handle(0x124, 0xb00, &result); 1156 if (ret) { 1157 printk(KERN_INFO DRV_PFX 1158 "Unable to enumerate rfkill devices: %x\n", ret); 1159 return ret; 1160 } 1161 1162 if (result & 0x1) 1163 sony_nc_setup_rfkill(device, SONY_WIFI); 1164 if (result & 0x2) 1165 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1166 if (result & 0x1c) 1167 sony_nc_setup_rfkill(device, SONY_WWAN); 1168 if (result & 0x20) 1169 sony_nc_setup_rfkill(device, SONY_WIMAX); 1170 1171 return 0; 1172 } 1173 1174 static int sony_nc_add(struct acpi_device *device) 1175 { 1176 acpi_status status; 1177 int result = 0; 1178 acpi_handle handle; 1179 struct sony_nc_value *item; 1180 1181 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1182 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1183 1184 sony_nc_acpi_device = device; 1185 strcpy(acpi_device_class(device), "sony/hotkey"); 1186 1187 sony_nc_acpi_handle = device->handle; 1188 1189 /* read device status */ 1190 result = acpi_bus_get_status(device); 1191 /* bail IFF the above call was successful and the device is not present */ 1192 if (!result && !device->status.present) { 1193 dprintk("Device not present\n"); 1194 result = -ENODEV; 1195 goto outwalk; 1196 } 1197 1198 if (debug) { 1199 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1200 1, sony_walk_callback, NULL, NULL); 1201 if (ACPI_FAILURE(status)) { 1202 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1203 result = -ENODEV; 1204 goto outwalk; 1205 } 1206 } 1207 1208 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1 1209 * should be respected as we already checked for the device presence above */ 1210 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) { 1211 dprintk("Invoking _INI\n"); 1212 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI, 1213 NULL, NULL))) 1214 dprintk("_INI Method failed\n"); 1215 } 1216 1217 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1218 &handle))) { 1219 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1220 dprintk("ECON Method failed\n"); 1221 } 1222 1223 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1224 &handle))) { 1225 dprintk("Doing SNC setup\n"); 1226 sony_nc_function_setup(device); 1227 sony_nc_rfkill_setup(device); 1228 } 1229 1230 /* setup input devices and helper fifo */ 1231 result = sony_laptop_setup_input(device); 1232 if (result) { 1233 printk(KERN_ERR DRV_PFX 1234 "Unable to create input devices.\n"); 1235 goto outwalk; 1236 } 1237 1238 if (acpi_video_backlight_support()) { 1239 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1240 "controlled by ACPI video driver\n"); 1241 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1242 &handle))) { 1243 sony_backlight_device = backlight_device_register("sony", NULL, 1244 NULL, 1245 &sony_backlight_ops); 1246 1247 if (IS_ERR(sony_backlight_device)) { 1248 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1249 sony_backlight_device = NULL; 1250 } else { 1251 sony_backlight_device->props.brightness = 1252 sony_backlight_get_brightness 1253 (sony_backlight_device); 1254 sony_backlight_device->props.max_brightness = 1255 SONY_MAX_BRIGHTNESS - 1; 1256 } 1257 1258 } 1259 1260 result = sony_pf_add(); 1261 if (result) 1262 goto outbacklight; 1263 1264 /* create sony_pf sysfs attributes related to the SNC device */ 1265 for (item = sony_nc_values; item->name; ++item) { 1266 1267 if (!debug && item->debug) 1268 continue; 1269 1270 /* find the available acpiget as described in the DSDT */ 1271 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1272 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1273 *item->acpiget, 1274 &handle))) { 1275 dprintk("Found %s getter: %s\n", 1276 item->name, *item->acpiget); 1277 item->devattr.attr.mode |= S_IRUGO; 1278 break; 1279 } 1280 } 1281 1282 /* find the available acpiset as described in the DSDT */ 1283 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1284 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1285 *item->acpiset, 1286 &handle))) { 1287 dprintk("Found %s setter: %s\n", 1288 item->name, *item->acpiset); 1289 item->devattr.attr.mode |= S_IWUSR; 1290 break; 1291 } 1292 } 1293 1294 if (item->devattr.attr.mode != 0) { 1295 result = 1296 device_create_file(&sony_pf_device->dev, 1297 &item->devattr); 1298 if (result) 1299 goto out_sysfs; 1300 } 1301 } 1302 1303 return 0; 1304 1305 out_sysfs: 1306 for (item = sony_nc_values; item->name; ++item) { 1307 device_remove_file(&sony_pf_device->dev, &item->devattr); 1308 } 1309 sony_pf_remove(); 1310 1311 outbacklight: 1312 if (sony_backlight_device) 1313 backlight_device_unregister(sony_backlight_device); 1314 1315 sony_laptop_remove_input(); 1316 1317 outwalk: 1318 sony_nc_rfkill_cleanup(); 1319 return result; 1320 } 1321 1322 static int sony_nc_remove(struct acpi_device *device, int type) 1323 { 1324 struct sony_nc_value *item; 1325 1326 if (sony_backlight_device) 1327 backlight_device_unregister(sony_backlight_device); 1328 1329 sony_nc_acpi_device = NULL; 1330 1331 for (item = sony_nc_values; item->name; ++item) { 1332 device_remove_file(&sony_pf_device->dev, &item->devattr); 1333 } 1334 1335 sony_pf_remove(); 1336 sony_laptop_remove_input(); 1337 sony_nc_rfkill_cleanup(); 1338 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1339 1340 return 0; 1341 } 1342 1343 static const struct acpi_device_id sony_device_ids[] = { 1344 {SONY_NC_HID, 0}, 1345 {SONY_PIC_HID, 0}, 1346 {"", 0}, 1347 }; 1348 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1349 1350 static const struct acpi_device_id sony_nc_device_ids[] = { 1351 {SONY_NC_HID, 0}, 1352 {"", 0}, 1353 }; 1354 1355 static struct acpi_driver sony_nc_driver = { 1356 .name = SONY_NC_DRIVER_NAME, 1357 .class = SONY_NC_CLASS, 1358 .ids = sony_nc_device_ids, 1359 .owner = THIS_MODULE, 1360 .ops = { 1361 .add = sony_nc_add, 1362 .remove = sony_nc_remove, 1363 .resume = sony_nc_resume, 1364 .notify = sony_nc_notify, 1365 }, 1366 }; 1367 1368 /*********** SPIC (SNY6001) Device ***********/ 1369 1370 #define SONYPI_DEVICE_TYPE1 0x00000001 1371 #define SONYPI_DEVICE_TYPE2 0x00000002 1372 #define SONYPI_DEVICE_TYPE3 0x00000004 1373 #define SONYPI_DEVICE_TYPE4 0x00000008 1374 1375 #define SONYPI_TYPE1_OFFSET 0x04 1376 #define SONYPI_TYPE2_OFFSET 0x12 1377 #define SONYPI_TYPE3_OFFSET 0x12 1378 1379 struct sony_pic_ioport { 1380 struct acpi_resource_io io1; 1381 struct acpi_resource_io io2; 1382 struct list_head list; 1383 }; 1384 1385 struct sony_pic_irq { 1386 struct acpi_resource_irq irq; 1387 struct list_head list; 1388 }; 1389 1390 struct sonypi_eventtypes { 1391 u8 data; 1392 unsigned long mask; 1393 struct sonypi_event *events; 1394 }; 1395 1396 struct device_ctrl { 1397 int model; 1398 int (*handle_irq)(const u8, const u8); 1399 u16 evport_offset; 1400 u8 has_camera; 1401 u8 has_bluetooth; 1402 u8 has_wwan; 1403 struct sonypi_eventtypes *event_types; 1404 }; 1405 1406 struct sony_pic_dev { 1407 struct device_ctrl *control; 1408 struct acpi_device *acpi_dev; 1409 struct sony_pic_irq *cur_irq; 1410 struct sony_pic_ioport *cur_ioport; 1411 struct list_head interrupts; 1412 struct list_head ioports; 1413 struct mutex lock; 1414 u8 camera_power; 1415 u8 bluetooth_power; 1416 u8 wwan_power; 1417 }; 1418 1419 static struct sony_pic_dev spic_dev = { 1420 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 1421 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 1422 }; 1423 1424 /* Event masks */ 1425 #define SONYPI_JOGGER_MASK 0x00000001 1426 #define SONYPI_CAPTURE_MASK 0x00000002 1427 #define SONYPI_FNKEY_MASK 0x00000004 1428 #define SONYPI_BLUETOOTH_MASK 0x00000008 1429 #define SONYPI_PKEY_MASK 0x00000010 1430 #define SONYPI_BACK_MASK 0x00000020 1431 #define SONYPI_HELP_MASK 0x00000040 1432 #define SONYPI_LID_MASK 0x00000080 1433 #define SONYPI_ZOOM_MASK 0x00000100 1434 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1435 #define SONYPI_MEYE_MASK 0x00000400 1436 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1437 #define SONYPI_BATTERY_MASK 0x00001000 1438 #define SONYPI_WIRELESS_MASK 0x00002000 1439 1440 struct sonypi_event { 1441 u8 data; 1442 u8 event; 1443 }; 1444 1445 /* The set of possible button release events */ 1446 static struct sonypi_event sonypi_releaseev[] = { 1447 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1448 { 0, 0 } 1449 }; 1450 1451 /* The set of possible jogger events */ 1452 static struct sonypi_event sonypi_joggerev[] = { 1453 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1454 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1455 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1456 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1457 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1458 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1459 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1460 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1461 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1462 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1463 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1464 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1465 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1466 { 0, 0 } 1467 }; 1468 1469 /* The set of possible capture button events */ 1470 static struct sonypi_event sonypi_captureev[] = { 1471 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1472 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1473 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1474 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1475 { 0, 0 } 1476 }; 1477 1478 /* The set of possible fnkeys events */ 1479 static struct sonypi_event sonypi_fnkeyev[] = { 1480 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1481 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1482 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1483 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1484 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1485 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1486 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1487 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1488 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1489 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1490 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1491 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1492 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1493 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1494 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1495 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1496 { 0x31, SONYPI_EVENT_FNKEY_D }, 1497 { 0x32, SONYPI_EVENT_FNKEY_E }, 1498 { 0x33, SONYPI_EVENT_FNKEY_F }, 1499 { 0x34, SONYPI_EVENT_FNKEY_S }, 1500 { 0x35, SONYPI_EVENT_FNKEY_B }, 1501 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1502 { 0, 0 } 1503 }; 1504 1505 /* The set of possible program key events */ 1506 static struct sonypi_event sonypi_pkeyev[] = { 1507 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1508 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1509 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1510 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1511 { 0, 0 } 1512 }; 1513 1514 /* The set of possible bluetooth events */ 1515 static struct sonypi_event sonypi_blueev[] = { 1516 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1517 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1518 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1519 { 0, 0 } 1520 }; 1521 1522 /* The set of possible wireless events */ 1523 static struct sonypi_event sonypi_wlessev[] = { 1524 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1525 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1526 { 0, 0 } 1527 }; 1528 1529 /* The set of possible back button events */ 1530 static struct sonypi_event sonypi_backev[] = { 1531 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1532 { 0, 0 } 1533 }; 1534 1535 /* The set of possible help button events */ 1536 static struct sonypi_event sonypi_helpev[] = { 1537 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1538 { 0, 0 } 1539 }; 1540 1541 1542 /* The set of possible lid events */ 1543 static struct sonypi_event sonypi_lidev[] = { 1544 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1545 { 0x50, SONYPI_EVENT_LID_OPENED }, 1546 { 0, 0 } 1547 }; 1548 1549 /* The set of possible zoom events */ 1550 static struct sonypi_event sonypi_zoomev[] = { 1551 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1552 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1553 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1554 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1555 { 0, 0 } 1556 }; 1557 1558 /* The set of possible thumbphrase events */ 1559 static struct sonypi_event sonypi_thumbphraseev[] = { 1560 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1561 { 0, 0 } 1562 }; 1563 1564 /* The set of possible motioneye camera events */ 1565 static struct sonypi_event sonypi_meyeev[] = { 1566 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1567 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1568 { 0, 0 } 1569 }; 1570 1571 /* The set of possible memorystick events */ 1572 static struct sonypi_event sonypi_memorystickev[] = { 1573 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1574 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1575 { 0, 0 } 1576 }; 1577 1578 /* The set of possible battery events */ 1579 static struct sonypi_event sonypi_batteryev[] = { 1580 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1581 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1582 { 0, 0 } 1583 }; 1584 1585 /* The set of possible volume events */ 1586 static struct sonypi_event sonypi_volumeev[] = { 1587 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1588 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1589 { 0, 0 } 1590 }; 1591 1592 /* The set of possible brightness events */ 1593 static struct sonypi_event sonypi_brightnessev[] = { 1594 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1595 { 0, 0 } 1596 }; 1597 1598 static struct sonypi_eventtypes type1_events[] = { 1599 { 0, 0xffffffff, sonypi_releaseev }, 1600 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1601 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1602 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1603 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1604 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1605 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1606 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1607 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1608 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1609 { 0 }, 1610 }; 1611 static struct sonypi_eventtypes type2_events[] = { 1612 { 0, 0xffffffff, sonypi_releaseev }, 1613 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1614 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1615 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1616 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1617 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1618 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1619 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1620 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1621 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1622 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1623 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1624 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1625 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1626 { 0 }, 1627 }; 1628 static struct sonypi_eventtypes type3_events[] = { 1629 { 0, 0xffffffff, sonypi_releaseev }, 1630 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1631 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1632 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1633 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1634 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1635 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1636 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1637 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1638 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1639 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1640 { 0 }, 1641 }; 1642 1643 /* low level spic calls */ 1644 #define ITERATIONS_LONG 10000 1645 #define ITERATIONS_SHORT 10 1646 #define wait_on_command(command, iterations) { \ 1647 unsigned int n = iterations; \ 1648 while (--n && (command)) \ 1649 udelay(1); \ 1650 if (!n) \ 1651 dprintk("command failed at %s : %s (line %d)\n", \ 1652 __FILE__, __func__, __LINE__); \ 1653 } 1654 1655 static u8 sony_pic_call1(u8 dev) 1656 { 1657 u8 v1, v2; 1658 1659 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1660 ITERATIONS_LONG); 1661 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1662 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1663 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1664 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1665 return v2; 1666 } 1667 1668 static u8 sony_pic_call2(u8 dev, u8 fn) 1669 { 1670 u8 v1; 1671 1672 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1673 ITERATIONS_LONG); 1674 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1675 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1676 ITERATIONS_LONG); 1677 outb(fn, spic_dev.cur_ioport->io1.minimum); 1678 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1679 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1680 return v1; 1681 } 1682 1683 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1684 { 1685 u8 v1; 1686 1687 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1688 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1689 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1690 outb(fn, spic_dev.cur_ioport->io1.minimum); 1691 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1692 outb(v, spic_dev.cur_ioport->io1.minimum); 1693 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1694 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1695 dev, fn, v, v1); 1696 return v1; 1697 } 1698 1699 /* 1700 * minidrivers for SPIC models 1701 */ 1702 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1703 { 1704 /* 1705 * 0x31 could mean we have to take some extra action and wait for 1706 * the next irq for some Type3 models, it will generate a new 1707 * irq and we can read new data from the device: 1708 * - 0x5c and 0x5f requires 0xA0 1709 * - 0x61 requires 0xB3 1710 */ 1711 if (data_mask == 0x31) { 1712 if (ev == 0x5c || ev == 0x5f) 1713 sony_pic_call1(0xA0); 1714 else if (ev == 0x61) 1715 sony_pic_call1(0xB3); 1716 return 0; 1717 } 1718 return 1; 1719 } 1720 1721 static struct device_ctrl spic_types[] = { 1722 { 1723 .model = SONYPI_DEVICE_TYPE1, 1724 .handle_irq = NULL, 1725 .evport_offset = SONYPI_TYPE1_OFFSET, 1726 .event_types = type1_events, 1727 }, 1728 { 1729 .model = SONYPI_DEVICE_TYPE2, 1730 .handle_irq = NULL, 1731 .evport_offset = SONYPI_TYPE2_OFFSET, 1732 .event_types = type2_events, 1733 }, 1734 { 1735 .model = SONYPI_DEVICE_TYPE3, 1736 .handle_irq = type3_handle_irq, 1737 .evport_offset = SONYPI_TYPE3_OFFSET, 1738 .event_types = type3_events, 1739 }, 1740 }; 1741 1742 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 1743 { 1744 struct pci_dev *pcidev; 1745 1746 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1747 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 1748 if (pcidev) { 1749 dev->control = &spic_types[0]; 1750 goto out; 1751 } 1752 1753 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1754 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1755 if (pcidev) { 1756 dev->control = &spic_types[2]; 1757 goto out; 1758 } 1759 1760 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1761 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1762 if (pcidev) { 1763 dev->control = &spic_types[2]; 1764 goto out; 1765 } 1766 1767 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1768 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1769 if (pcidev) { 1770 dev->control = &spic_types[2]; 1771 goto out; 1772 } 1773 1774 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1775 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 1776 if (pcidev) { 1777 dev->control = &spic_types[2]; 1778 goto out; 1779 } 1780 1781 /* default */ 1782 dev->control = &spic_types[1]; 1783 1784 out: 1785 if (pcidev) 1786 pci_dev_put(pcidev); 1787 1788 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1789 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 : 1790 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1791 } 1792 1793 /* camera tests and poweron/poweroff */ 1794 #define SONYPI_CAMERA_PICTURE 5 1795 #define SONYPI_CAMERA_CONTROL 0x10 1796 1797 #define SONYPI_CAMERA_BRIGHTNESS 0 1798 #define SONYPI_CAMERA_CONTRAST 1 1799 #define SONYPI_CAMERA_HUE 2 1800 #define SONYPI_CAMERA_COLOR 3 1801 #define SONYPI_CAMERA_SHARPNESS 4 1802 1803 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1804 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1805 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1806 #define SONYPI_CAMERA_MUTE_MASK 0x40 1807 1808 /* the rest don't need a loop until not 0xff */ 1809 #define SONYPI_CAMERA_AGC 6 1810 #define SONYPI_CAMERA_AGC_MASK 0x30 1811 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1812 1813 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1814 #define SONYPI_CAMERA_CONTROL 0x10 1815 1816 #define SONYPI_CAMERA_STATUS 7 1817 #define SONYPI_CAMERA_STATUS_READY 0x2 1818 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1819 1820 #define SONYPI_DIRECTION_BACKWARDS 0x4 1821 1822 #define SONYPI_CAMERA_REVISION 8 1823 #define SONYPI_CAMERA_ROMVERSION 9 1824 1825 static int __sony_pic_camera_ready(void) 1826 { 1827 u8 v; 1828 1829 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1830 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1831 } 1832 1833 static int __sony_pic_camera_off(void) 1834 { 1835 if (!camera) { 1836 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1837 return -ENODEV; 1838 } 1839 1840 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1841 SONYPI_CAMERA_MUTE_MASK), 1842 ITERATIONS_SHORT); 1843 1844 if (spic_dev.camera_power) { 1845 sony_pic_call2(0x91, 0); 1846 spic_dev.camera_power = 0; 1847 } 1848 return 0; 1849 } 1850 1851 static int __sony_pic_camera_on(void) 1852 { 1853 int i, j, x; 1854 1855 if (!camera) { 1856 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1857 return -ENODEV; 1858 } 1859 1860 if (spic_dev.camera_power) 1861 return 0; 1862 1863 for (j = 5; j > 0; j--) { 1864 1865 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1866 msleep(10); 1867 sony_pic_call1(0x93); 1868 1869 for (i = 400; i > 0; i--) { 1870 if (__sony_pic_camera_ready()) 1871 break; 1872 msleep(10); 1873 } 1874 if (i) 1875 break; 1876 } 1877 1878 if (j == 0) { 1879 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1880 return -ENODEV; 1881 } 1882 1883 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1884 0x5a), 1885 ITERATIONS_SHORT); 1886 1887 spic_dev.camera_power = 1; 1888 return 0; 1889 } 1890 1891 /* External camera command (exported to the motion eye v4l driver) */ 1892 int sony_pic_camera_command(int command, u8 value) 1893 { 1894 if (!camera) 1895 return -EIO; 1896 1897 mutex_lock(&spic_dev.lock); 1898 1899 switch (command) { 1900 case SONY_PIC_COMMAND_SETCAMERA: 1901 if (value) 1902 __sony_pic_camera_on(); 1903 else 1904 __sony_pic_camera_off(); 1905 break; 1906 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1907 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1908 ITERATIONS_SHORT); 1909 break; 1910 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1911 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1912 ITERATIONS_SHORT); 1913 break; 1914 case SONY_PIC_COMMAND_SETCAMERAHUE: 1915 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1916 ITERATIONS_SHORT); 1917 break; 1918 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1919 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1920 ITERATIONS_SHORT); 1921 break; 1922 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1923 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1924 ITERATIONS_SHORT); 1925 break; 1926 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1927 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1928 ITERATIONS_SHORT); 1929 break; 1930 case SONY_PIC_COMMAND_SETCAMERAAGC: 1931 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1932 ITERATIONS_SHORT); 1933 break; 1934 default: 1935 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1936 command); 1937 break; 1938 } 1939 mutex_unlock(&spic_dev.lock); 1940 return 0; 1941 } 1942 EXPORT_SYMBOL(sony_pic_camera_command); 1943 1944 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 1945 static void __sony_pic_set_wwanpower(u8 state) 1946 { 1947 state = !!state; 1948 if (spic_dev.wwan_power == state) 1949 return; 1950 sony_pic_call2(0xB0, state); 1951 sony_pic_call1(0x82); 1952 spic_dev.wwan_power = state; 1953 } 1954 1955 static ssize_t sony_pic_wwanpower_store(struct device *dev, 1956 struct device_attribute *attr, 1957 const char *buffer, size_t count) 1958 { 1959 unsigned long value; 1960 if (count > 31) 1961 return -EINVAL; 1962 1963 value = simple_strtoul(buffer, NULL, 10); 1964 mutex_lock(&spic_dev.lock); 1965 __sony_pic_set_wwanpower(value); 1966 mutex_unlock(&spic_dev.lock); 1967 1968 return count; 1969 } 1970 1971 static ssize_t sony_pic_wwanpower_show(struct device *dev, 1972 struct device_attribute *attr, char *buffer) 1973 { 1974 ssize_t count; 1975 mutex_lock(&spic_dev.lock); 1976 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 1977 mutex_unlock(&spic_dev.lock); 1978 return count; 1979 } 1980 1981 /* bluetooth subsystem power state */ 1982 static void __sony_pic_set_bluetoothpower(u8 state) 1983 { 1984 state = !!state; 1985 if (spic_dev.bluetooth_power == state) 1986 return; 1987 sony_pic_call2(0x96, state); 1988 sony_pic_call1(0x82); 1989 spic_dev.bluetooth_power = state; 1990 } 1991 1992 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 1993 struct device_attribute *attr, 1994 const char *buffer, size_t count) 1995 { 1996 unsigned long value; 1997 if (count > 31) 1998 return -EINVAL; 1999 2000 value = simple_strtoul(buffer, NULL, 10); 2001 mutex_lock(&spic_dev.lock); 2002 __sony_pic_set_bluetoothpower(value); 2003 mutex_unlock(&spic_dev.lock); 2004 2005 return count; 2006 } 2007 2008 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 2009 struct device_attribute *attr, char *buffer) 2010 { 2011 ssize_t count = 0; 2012 mutex_lock(&spic_dev.lock); 2013 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2014 mutex_unlock(&spic_dev.lock); 2015 return count; 2016 } 2017 2018 /* fan speed */ 2019 /* FAN0 information (reverse engineered from ACPI tables) */ 2020 #define SONY_PIC_FAN0_STATUS 0x93 2021 static int sony_pic_set_fanspeed(unsigned long value) 2022 { 2023 return ec_write(SONY_PIC_FAN0_STATUS, value); 2024 } 2025 2026 static int sony_pic_get_fanspeed(u8 *value) 2027 { 2028 return ec_read(SONY_PIC_FAN0_STATUS, value); 2029 } 2030 2031 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2032 struct device_attribute *attr, 2033 const char *buffer, size_t count) 2034 { 2035 unsigned long value; 2036 if (count > 31) 2037 return -EINVAL; 2038 2039 value = simple_strtoul(buffer, NULL, 10); 2040 if (sony_pic_set_fanspeed(value)) 2041 return -EIO; 2042 2043 return count; 2044 } 2045 2046 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2047 struct device_attribute *attr, char *buffer) 2048 { 2049 u8 value = 0; 2050 if (sony_pic_get_fanspeed(&value)) 2051 return -EIO; 2052 2053 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2054 } 2055 2056 #define SPIC_ATTR(_name, _mode) \ 2057 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2058 _mode, sony_pic_## _name ##_show, \ 2059 sony_pic_## _name ##_store) 2060 2061 static SPIC_ATTR(bluetoothpower, 0644); 2062 static SPIC_ATTR(wwanpower, 0644); 2063 static SPIC_ATTR(fanspeed, 0644); 2064 2065 static struct attribute *spic_attributes[] = { 2066 &spic_attr_bluetoothpower.attr, 2067 &spic_attr_wwanpower.attr, 2068 &spic_attr_fanspeed.attr, 2069 NULL 2070 }; 2071 2072 static struct attribute_group spic_attribute_group = { 2073 .attrs = spic_attributes 2074 }; 2075 2076 /******** SONYPI compatibility **********/ 2077 #ifdef CONFIG_SONYPI_COMPAT 2078 2079 /* battery / brightness / temperature addresses */ 2080 #define SONYPI_BAT_FLAGS 0x81 2081 #define SONYPI_LCD_LIGHT 0x96 2082 #define SONYPI_BAT1_PCTRM 0xa0 2083 #define SONYPI_BAT1_LEFT 0xa2 2084 #define SONYPI_BAT1_MAXRT 0xa4 2085 #define SONYPI_BAT2_PCTRM 0xa8 2086 #define SONYPI_BAT2_LEFT 0xaa 2087 #define SONYPI_BAT2_MAXRT 0xac 2088 #define SONYPI_BAT1_MAXTK 0xb0 2089 #define SONYPI_BAT1_FULL 0xb2 2090 #define SONYPI_BAT2_MAXTK 0xb8 2091 #define SONYPI_BAT2_FULL 0xba 2092 #define SONYPI_TEMP_STATUS 0xC1 2093 2094 struct sonypi_compat_s { 2095 struct fasync_struct *fifo_async; 2096 struct kfifo *fifo; 2097 spinlock_t fifo_lock; 2098 wait_queue_head_t fifo_proc_list; 2099 atomic_t open_count; 2100 }; 2101 static struct sonypi_compat_s sonypi_compat = { 2102 .open_count = ATOMIC_INIT(0), 2103 }; 2104 2105 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2106 { 2107 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2108 } 2109 2110 static int sonypi_misc_release(struct inode *inode, struct file *file) 2111 { 2112 atomic_dec(&sonypi_compat.open_count); 2113 return 0; 2114 } 2115 2116 static int sonypi_misc_open(struct inode *inode, struct file *file) 2117 { 2118 /* Flush input queue on first open */ 2119 unsigned long flags; 2120 2121 spin_lock_irqsave(sonypi_compat.fifo->lock, flags); 2122 2123 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2124 __kfifo_reset(sonypi_compat.fifo); 2125 2126 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags); 2127 2128 return 0; 2129 } 2130 2131 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2132 size_t count, loff_t *pos) 2133 { 2134 ssize_t ret; 2135 unsigned char c; 2136 2137 if ((kfifo_len(sonypi_compat.fifo) == 0) && 2138 (file->f_flags & O_NONBLOCK)) 2139 return -EAGAIN; 2140 2141 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2142 kfifo_len(sonypi_compat.fifo) != 0); 2143 if (ret) 2144 return ret; 2145 2146 while (ret < count && 2147 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { 2148 if (put_user(c, buf++)) 2149 return -EFAULT; 2150 ret++; 2151 } 2152 2153 if (ret > 0) { 2154 struct inode *inode = file->f_path.dentry->d_inode; 2155 inode->i_atime = current_fs_time(inode->i_sb); 2156 } 2157 2158 return ret; 2159 } 2160 2161 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2162 { 2163 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2164 if (kfifo_len(sonypi_compat.fifo)) 2165 return POLLIN | POLLRDNORM; 2166 return 0; 2167 } 2168 2169 static int ec_read16(u8 addr, u16 *value) 2170 { 2171 u8 val_lb, val_hb; 2172 if (ec_read(addr, &val_lb)) 2173 return -1; 2174 if (ec_read(addr + 1, &val_hb)) 2175 return -1; 2176 *value = val_lb | (val_hb << 8); 2177 return 0; 2178 } 2179 2180 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2181 unsigned long arg) 2182 { 2183 int ret = 0; 2184 void __user *argp = (void __user *)arg; 2185 u8 val8; 2186 u16 val16; 2187 int value; 2188 2189 mutex_lock(&spic_dev.lock); 2190 switch (cmd) { 2191 case SONYPI_IOCGBRT: 2192 if (sony_backlight_device == NULL) { 2193 ret = -EIO; 2194 break; 2195 } 2196 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2197 ret = -EIO; 2198 break; 2199 } 2200 val8 = ((value & 0xff) - 1) << 5; 2201 if (copy_to_user(argp, &val8, sizeof(val8))) 2202 ret = -EFAULT; 2203 break; 2204 case SONYPI_IOCSBRT: 2205 if (sony_backlight_device == NULL) { 2206 ret = -EIO; 2207 break; 2208 } 2209 if (copy_from_user(&val8, argp, sizeof(val8))) { 2210 ret = -EFAULT; 2211 break; 2212 } 2213 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2214 (val8 >> 5) + 1, NULL)) { 2215 ret = -EIO; 2216 break; 2217 } 2218 /* sync the backlight device status */ 2219 sony_backlight_device->props.brightness = 2220 sony_backlight_get_brightness(sony_backlight_device); 2221 break; 2222 case SONYPI_IOCGBAT1CAP: 2223 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 2224 ret = -EIO; 2225 break; 2226 } 2227 if (copy_to_user(argp, &val16, sizeof(val16))) 2228 ret = -EFAULT; 2229 break; 2230 case SONYPI_IOCGBAT1REM: 2231 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 2232 ret = -EIO; 2233 break; 2234 } 2235 if (copy_to_user(argp, &val16, sizeof(val16))) 2236 ret = -EFAULT; 2237 break; 2238 case SONYPI_IOCGBAT2CAP: 2239 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2240 ret = -EIO; 2241 break; 2242 } 2243 if (copy_to_user(argp, &val16, sizeof(val16))) 2244 ret = -EFAULT; 2245 break; 2246 case SONYPI_IOCGBAT2REM: 2247 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2248 ret = -EIO; 2249 break; 2250 } 2251 if (copy_to_user(argp, &val16, sizeof(val16))) 2252 ret = -EFAULT; 2253 break; 2254 case SONYPI_IOCGBATFLAGS: 2255 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2256 ret = -EIO; 2257 break; 2258 } 2259 val8 &= 0x07; 2260 if (copy_to_user(argp, &val8, sizeof(val8))) 2261 ret = -EFAULT; 2262 break; 2263 case SONYPI_IOCGBLUE: 2264 val8 = spic_dev.bluetooth_power; 2265 if (copy_to_user(argp, &val8, sizeof(val8))) 2266 ret = -EFAULT; 2267 break; 2268 case SONYPI_IOCSBLUE: 2269 if (copy_from_user(&val8, argp, sizeof(val8))) { 2270 ret = -EFAULT; 2271 break; 2272 } 2273 __sony_pic_set_bluetoothpower(val8); 2274 break; 2275 /* FAN Controls */ 2276 case SONYPI_IOCGFAN: 2277 if (sony_pic_get_fanspeed(&val8)) { 2278 ret = -EIO; 2279 break; 2280 } 2281 if (copy_to_user(argp, &val8, sizeof(val8))) 2282 ret = -EFAULT; 2283 break; 2284 case SONYPI_IOCSFAN: 2285 if (copy_from_user(&val8, argp, sizeof(val8))) { 2286 ret = -EFAULT; 2287 break; 2288 } 2289 if (sony_pic_set_fanspeed(val8)) 2290 ret = -EIO; 2291 break; 2292 /* GET Temperature (useful under APM) */ 2293 case SONYPI_IOCGTEMP: 2294 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2295 ret = -EIO; 2296 break; 2297 } 2298 if (copy_to_user(argp, &val8, sizeof(val8))) 2299 ret = -EFAULT; 2300 break; 2301 default: 2302 ret = -EINVAL; 2303 } 2304 mutex_unlock(&spic_dev.lock); 2305 return ret; 2306 } 2307 2308 static const struct file_operations sonypi_misc_fops = { 2309 .owner = THIS_MODULE, 2310 .read = sonypi_misc_read, 2311 .poll = sonypi_misc_poll, 2312 .open = sonypi_misc_open, 2313 .release = sonypi_misc_release, 2314 .fasync = sonypi_misc_fasync, 2315 .unlocked_ioctl = sonypi_misc_ioctl, 2316 }; 2317 2318 static struct miscdevice sonypi_misc_device = { 2319 .minor = MISC_DYNAMIC_MINOR, 2320 .name = "sonypi", 2321 .fops = &sonypi_misc_fops, 2322 }; 2323 2324 static void sonypi_compat_report_event(u8 event) 2325 { 2326 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); 2327 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2328 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2329 } 2330 2331 static int sonypi_compat_init(void) 2332 { 2333 int error; 2334 2335 spin_lock_init(&sonypi_compat.fifo_lock); 2336 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 2337 &sonypi_compat.fifo_lock); 2338 if (IS_ERR(sonypi_compat.fifo)) { 2339 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2340 return PTR_ERR(sonypi_compat.fifo); 2341 } 2342 2343 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2344 2345 if (minor != -1) 2346 sonypi_misc_device.minor = minor; 2347 error = misc_register(&sonypi_misc_device); 2348 if (error) { 2349 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2350 goto err_free_kfifo; 2351 } 2352 if (minor == -1) 2353 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2354 sonypi_misc_device.minor); 2355 2356 return 0; 2357 2358 err_free_kfifo: 2359 kfifo_free(sonypi_compat.fifo); 2360 return error; 2361 } 2362 2363 static void sonypi_compat_exit(void) 2364 { 2365 misc_deregister(&sonypi_misc_device); 2366 kfifo_free(sonypi_compat.fifo); 2367 } 2368 #else 2369 static int sonypi_compat_init(void) { return 0; } 2370 static void sonypi_compat_exit(void) { } 2371 static void sonypi_compat_report_event(u8 event) { } 2372 #endif /* CONFIG_SONYPI_COMPAT */ 2373 2374 /* 2375 * ACPI callbacks 2376 */ 2377 static acpi_status 2378 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2379 { 2380 u32 i; 2381 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2382 2383 switch (resource->type) { 2384 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2385 { 2386 /* start IO enumeration */ 2387 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2388 if (!ioport) 2389 return AE_ERROR; 2390 2391 list_add(&ioport->list, &dev->ioports); 2392 return AE_OK; 2393 } 2394 2395 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2396 /* end IO enumeration */ 2397 return AE_OK; 2398 2399 case ACPI_RESOURCE_TYPE_IRQ: 2400 { 2401 struct acpi_resource_irq *p = &resource->data.irq; 2402 struct sony_pic_irq *interrupt = NULL; 2403 if (!p || !p->interrupt_count) { 2404 /* 2405 * IRQ descriptors may have no IRQ# bits set, 2406 * particularly those those w/ _STA disabled 2407 */ 2408 dprintk("Blank IRQ resource\n"); 2409 return AE_OK; 2410 } 2411 for (i = 0; i < p->interrupt_count; i++) { 2412 if (!p->interrupts[i]) { 2413 printk(KERN_WARNING DRV_PFX 2414 "Invalid IRQ %d\n", 2415 p->interrupts[i]); 2416 continue; 2417 } 2418 interrupt = kzalloc(sizeof(*interrupt), 2419 GFP_KERNEL); 2420 if (!interrupt) 2421 return AE_ERROR; 2422 2423 list_add(&interrupt->list, &dev->interrupts); 2424 interrupt->irq.triggering = p->triggering; 2425 interrupt->irq.polarity = p->polarity; 2426 interrupt->irq.sharable = p->sharable; 2427 interrupt->irq.interrupt_count = 1; 2428 interrupt->irq.interrupts[0] = p->interrupts[i]; 2429 } 2430 return AE_OK; 2431 } 2432 case ACPI_RESOURCE_TYPE_IO: 2433 { 2434 struct acpi_resource_io *io = &resource->data.io; 2435 struct sony_pic_ioport *ioport = 2436 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2437 if (!io) { 2438 dprintk("Blank IO resource\n"); 2439 return AE_OK; 2440 } 2441 2442 if (!ioport->io1.minimum) { 2443 memcpy(&ioport->io1, io, sizeof(*io)); 2444 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2445 ioport->io1.address_length); 2446 } 2447 else if (!ioport->io2.minimum) { 2448 memcpy(&ioport->io2, io, sizeof(*io)); 2449 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2450 ioport->io2.address_length); 2451 } 2452 else { 2453 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2454 return AE_ERROR; 2455 } 2456 return AE_OK; 2457 } 2458 default: 2459 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2460 resource->type); 2461 2462 case ACPI_RESOURCE_TYPE_END_TAG: 2463 return AE_OK; 2464 } 2465 return AE_CTRL_TERMINATE; 2466 } 2467 2468 static int sony_pic_possible_resources(struct acpi_device *device) 2469 { 2470 int result = 0; 2471 acpi_status status = AE_OK; 2472 2473 if (!device) 2474 return -EINVAL; 2475 2476 /* get device status */ 2477 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2478 dprintk("Evaluating _STA\n"); 2479 result = acpi_bus_get_status(device); 2480 if (result) { 2481 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2482 goto end; 2483 } 2484 2485 if (!device->status.enabled) 2486 dprintk("Device disabled\n"); 2487 else 2488 dprintk("Device enabled\n"); 2489 2490 /* 2491 * Query and parse 'method' 2492 */ 2493 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2494 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2495 sony_pic_read_possible_resource, &spic_dev); 2496 if (ACPI_FAILURE(status)) { 2497 printk(KERN_WARNING DRV_PFX 2498 "Failure evaluating %s\n", 2499 METHOD_NAME__PRS); 2500 result = -ENODEV; 2501 } 2502 end: 2503 return result; 2504 } 2505 2506 /* 2507 * Disable the spic device by calling its _DIS method 2508 */ 2509 static int sony_pic_disable(struct acpi_device *device) 2510 { 2511 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2512 NULL); 2513 2514 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2515 return -ENXIO; 2516 2517 dprintk("Device disabled\n"); 2518 return 0; 2519 } 2520 2521 2522 /* 2523 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2524 * 2525 * Call _SRS to set current resources 2526 */ 2527 static int sony_pic_enable(struct acpi_device *device, 2528 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2529 { 2530 acpi_status status; 2531 int result = 0; 2532 /* Type 1 resource layout is: 2533 * IO 2534 * IO 2535 * IRQNoFlags 2536 * End 2537 * 2538 * Type 2 and 3 resource layout is: 2539 * IO 2540 * IRQNoFlags 2541 * End 2542 */ 2543 struct { 2544 struct acpi_resource res1; 2545 struct acpi_resource res2; 2546 struct acpi_resource res3; 2547 struct acpi_resource res4; 2548 } *resource; 2549 struct acpi_buffer buffer = { 0, NULL }; 2550 2551 if (!ioport || !irq) 2552 return -EINVAL; 2553 2554 /* init acpi_buffer */ 2555 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2556 if (!resource) 2557 return -ENOMEM; 2558 2559 buffer.length = sizeof(*resource) + 1; 2560 buffer.pointer = resource; 2561 2562 /* setup Type 1 resources */ 2563 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) { 2564 2565 /* setup io resources */ 2566 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2567 resource->res1.length = sizeof(struct acpi_resource); 2568 memcpy(&resource->res1.data.io, &ioport->io1, 2569 sizeof(struct acpi_resource_io)); 2570 2571 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2572 resource->res2.length = sizeof(struct acpi_resource); 2573 memcpy(&resource->res2.data.io, &ioport->io2, 2574 sizeof(struct acpi_resource_io)); 2575 2576 /* setup irq resource */ 2577 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2578 resource->res3.length = sizeof(struct acpi_resource); 2579 memcpy(&resource->res3.data.irq, &irq->irq, 2580 sizeof(struct acpi_resource_irq)); 2581 /* we requested a shared irq */ 2582 resource->res3.data.irq.sharable = ACPI_SHARED; 2583 2584 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2585 2586 } 2587 /* setup Type 2/3 resources */ 2588 else { 2589 /* setup io resource */ 2590 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2591 resource->res1.length = sizeof(struct acpi_resource); 2592 memcpy(&resource->res1.data.io, &ioport->io1, 2593 sizeof(struct acpi_resource_io)); 2594 2595 /* setup irq resource */ 2596 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2597 resource->res2.length = sizeof(struct acpi_resource); 2598 memcpy(&resource->res2.data.irq, &irq->irq, 2599 sizeof(struct acpi_resource_irq)); 2600 /* we requested a shared irq */ 2601 resource->res2.data.irq.sharable = ACPI_SHARED; 2602 2603 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2604 } 2605 2606 /* Attempt to set the resource */ 2607 dprintk("Evaluating _SRS\n"); 2608 status = acpi_set_current_resources(device->handle, &buffer); 2609 2610 /* check for total failure */ 2611 if (ACPI_FAILURE(status)) { 2612 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2613 result = -ENODEV; 2614 goto end; 2615 } 2616 2617 /* Necessary device initializations calls (from sonypi) */ 2618 sony_pic_call1(0x82); 2619 sony_pic_call2(0x81, 0xff); 2620 sony_pic_call1(compat ? 0x92 : 0x82); 2621 2622 end: 2623 kfree(resource); 2624 return result; 2625 } 2626 2627 /***************** 2628 * 2629 * ISR: some event is available 2630 * 2631 *****************/ 2632 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2633 { 2634 int i, j; 2635 u8 ev = 0; 2636 u8 data_mask = 0; 2637 u8 device_event = 0; 2638 2639 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2640 2641 ev = inb_p(dev->cur_ioport->io1.minimum); 2642 if (dev->cur_ioport->io2.minimum) 2643 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2644 else 2645 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2646 dev->control->evport_offset); 2647 2648 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2649 ev, data_mask, dev->cur_ioport->io1.minimum, 2650 dev->control->evport_offset); 2651 2652 if (ev == 0x00 || ev == 0xff) 2653 return IRQ_HANDLED; 2654 2655 for (i = 0; dev->control->event_types[i].mask; i++) { 2656 2657 if ((data_mask & dev->control->event_types[i].data) != 2658 dev->control->event_types[i].data) 2659 continue; 2660 2661 if (!(mask & dev->control->event_types[i].mask)) 2662 continue; 2663 2664 for (j = 0; dev->control->event_types[i].events[j].event; j++) { 2665 if (ev == dev->control->event_types[i].events[j].data) { 2666 device_event = 2667 dev->control-> 2668 event_types[i].events[j].event; 2669 goto found; 2670 } 2671 } 2672 } 2673 /* Still not able to decode the event try to pass 2674 * it over to the minidriver 2675 */ 2676 if (dev->control->handle_irq && 2677 dev->control->handle_irq(data_mask, ev) == 0) 2678 return IRQ_HANDLED; 2679 2680 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2681 ev, data_mask, dev->cur_ioport->io1.minimum, 2682 dev->control->evport_offset); 2683 return IRQ_HANDLED; 2684 2685 found: 2686 sony_laptop_report_input_event(device_event); 2687 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2688 sonypi_compat_report_event(device_event); 2689 2690 return IRQ_HANDLED; 2691 } 2692 2693 /***************** 2694 * 2695 * ACPI driver 2696 * 2697 *****************/ 2698 static int sony_pic_remove(struct acpi_device *device, int type) 2699 { 2700 struct sony_pic_ioport *io, *tmp_io; 2701 struct sony_pic_irq *irq, *tmp_irq; 2702 2703 if (sony_pic_disable(device)) { 2704 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2705 return -ENXIO; 2706 } 2707 2708 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2709 release_region(spic_dev.cur_ioport->io1.minimum, 2710 spic_dev.cur_ioport->io1.address_length); 2711 if (spic_dev.cur_ioport->io2.minimum) 2712 release_region(spic_dev.cur_ioport->io2.minimum, 2713 spic_dev.cur_ioport->io2.address_length); 2714 2715 sonypi_compat_exit(); 2716 2717 sony_laptop_remove_input(); 2718 2719 /* pf attrs */ 2720 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2721 sony_pf_remove(); 2722 2723 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2724 list_del(&io->list); 2725 kfree(io); 2726 } 2727 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2728 list_del(&irq->list); 2729 kfree(irq); 2730 } 2731 spic_dev.cur_ioport = NULL; 2732 spic_dev.cur_irq = NULL; 2733 2734 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2735 return 0; 2736 } 2737 2738 static int sony_pic_add(struct acpi_device *device) 2739 { 2740 int result; 2741 struct sony_pic_ioport *io, *tmp_io; 2742 struct sony_pic_irq *irq, *tmp_irq; 2743 2744 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2745 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2746 2747 spic_dev.acpi_dev = device; 2748 strcpy(acpi_device_class(device), "sony/hotkey"); 2749 sony_pic_detect_device_type(&spic_dev); 2750 mutex_init(&spic_dev.lock); 2751 2752 /* read _PRS resources */ 2753 result = sony_pic_possible_resources(device); 2754 if (result) { 2755 printk(KERN_ERR DRV_PFX 2756 "Unable to read possible resources.\n"); 2757 goto err_free_resources; 2758 } 2759 2760 /* setup input devices and helper fifo */ 2761 result = sony_laptop_setup_input(device); 2762 if (result) { 2763 printk(KERN_ERR DRV_PFX 2764 "Unable to create input devices.\n"); 2765 goto err_free_resources; 2766 } 2767 2768 if (sonypi_compat_init()) 2769 goto err_remove_input; 2770 2771 /* request io port */ 2772 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2773 if (request_region(io->io1.minimum, io->io1.address_length, 2774 "Sony Programable I/O Device")) { 2775 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2776 io->io1.minimum, io->io1.maximum, 2777 io->io1.address_length); 2778 /* Type 1 have 2 ioports */ 2779 if (io->io2.minimum) { 2780 if (request_region(io->io2.minimum, 2781 io->io2.address_length, 2782 "Sony Programable I/O Device")) { 2783 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2784 io->io2.minimum, io->io2.maximum, 2785 io->io2.address_length); 2786 spic_dev.cur_ioport = io; 2787 break; 2788 } 2789 else { 2790 dprintk("Unable to get I/O port2: " 2791 "0x%.4x (0x%.4x) + 0x%.2x\n", 2792 io->io2.minimum, io->io2.maximum, 2793 io->io2.address_length); 2794 release_region(io->io1.minimum, 2795 io->io1.address_length); 2796 } 2797 } 2798 else { 2799 spic_dev.cur_ioport = io; 2800 break; 2801 } 2802 } 2803 } 2804 if (!spic_dev.cur_ioport) { 2805 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2806 result = -ENODEV; 2807 goto err_remove_compat; 2808 } 2809 2810 /* request IRQ */ 2811 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2812 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2813 IRQF_SHARED, "sony-laptop", &spic_dev)) { 2814 dprintk("IRQ: %d - triggering: %d - " 2815 "polarity: %d - shr: %d\n", 2816 irq->irq.interrupts[0], 2817 irq->irq.triggering, 2818 irq->irq.polarity, 2819 irq->irq.sharable); 2820 spic_dev.cur_irq = irq; 2821 break; 2822 } 2823 } 2824 if (!spic_dev.cur_irq) { 2825 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2826 result = -ENODEV; 2827 goto err_release_region; 2828 } 2829 2830 /* set resource status _SRS */ 2831 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2832 if (result) { 2833 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2834 goto err_free_irq; 2835 } 2836 2837 spic_dev.bluetooth_power = -1; 2838 /* create device attributes */ 2839 result = sony_pf_add(); 2840 if (result) 2841 goto err_disable_device; 2842 2843 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2844 if (result) 2845 goto err_remove_pf; 2846 2847 return 0; 2848 2849 err_remove_pf: 2850 sony_pf_remove(); 2851 2852 err_disable_device: 2853 sony_pic_disable(device); 2854 2855 err_free_irq: 2856 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2857 2858 err_release_region: 2859 release_region(spic_dev.cur_ioport->io1.minimum, 2860 spic_dev.cur_ioport->io1.address_length); 2861 if (spic_dev.cur_ioport->io2.minimum) 2862 release_region(spic_dev.cur_ioport->io2.minimum, 2863 spic_dev.cur_ioport->io2.address_length); 2864 2865 err_remove_compat: 2866 sonypi_compat_exit(); 2867 2868 err_remove_input: 2869 sony_laptop_remove_input(); 2870 2871 err_free_resources: 2872 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2873 list_del(&io->list); 2874 kfree(io); 2875 } 2876 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2877 list_del(&irq->list); 2878 kfree(irq); 2879 } 2880 spic_dev.cur_ioport = NULL; 2881 spic_dev.cur_irq = NULL; 2882 2883 return result; 2884 } 2885 2886 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2887 { 2888 if (sony_pic_disable(device)) 2889 return -ENXIO; 2890 return 0; 2891 } 2892 2893 static int sony_pic_resume(struct acpi_device *device) 2894 { 2895 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2896 return 0; 2897 } 2898 2899 static const struct acpi_device_id sony_pic_device_ids[] = { 2900 {SONY_PIC_HID, 0}, 2901 {"", 0}, 2902 }; 2903 2904 static struct acpi_driver sony_pic_driver = { 2905 .name = SONY_PIC_DRIVER_NAME, 2906 .class = SONY_PIC_CLASS, 2907 .ids = sony_pic_device_ids, 2908 .owner = THIS_MODULE, 2909 .ops = { 2910 .add = sony_pic_add, 2911 .remove = sony_pic_remove, 2912 .suspend = sony_pic_suspend, 2913 .resume = sony_pic_resume, 2914 }, 2915 }; 2916 2917 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2918 { 2919 .ident = "Sony Vaio", 2920 .matches = { 2921 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2922 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2923 }, 2924 }, 2925 { 2926 .ident = "Sony Vaio", 2927 .matches = { 2928 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2929 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2930 }, 2931 }, 2932 { } 2933 }; 2934 2935 static int __init sony_laptop_init(void) 2936 { 2937 int result; 2938 2939 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2940 result = acpi_bus_register_driver(&sony_pic_driver); 2941 if (result) { 2942 printk(KERN_ERR DRV_PFX 2943 "Unable to register SPIC driver."); 2944 goto out; 2945 } 2946 } 2947 2948 result = acpi_bus_register_driver(&sony_nc_driver); 2949 if (result) { 2950 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 2951 goto out_unregister_pic; 2952 } 2953 2954 return 0; 2955 2956 out_unregister_pic: 2957 if (!no_spic) 2958 acpi_bus_unregister_driver(&sony_pic_driver); 2959 out: 2960 return result; 2961 } 2962 2963 static void __exit sony_laptop_exit(void) 2964 { 2965 acpi_bus_unregister_driver(&sony_nc_driver); 2966 if (!no_spic) 2967 acpi_bus_unregister_driver(&sony_pic_driver); 2968 } 2969 2970 module_init(sony_laptop_init); 2971 module_exit(sony_laptop_exit); 2972