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; 979 980 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 981 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", 982 (char *)&info->name, info->param_count); 983 984 kfree(info); 985 } 986 987 return AE_OK; 988 } 989 990 /* 991 * ACPI device 992 */ 993 static int sony_nc_function_setup(struct acpi_device *device) 994 { 995 int result; 996 997 /* Enable all events */ 998 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result); 999 1000 /* Setup hotkeys */ 1001 sony_call_snc_handle(0x0100, 0, &result); 1002 sony_call_snc_handle(0x0101, 0, &result); 1003 sony_call_snc_handle(0x0102, 0x100, &result); 1004 sony_call_snc_handle(0x0127, 0, &result); 1005 1006 return 0; 1007 } 1008 1009 static int sony_nc_resume(struct acpi_device *device) 1010 { 1011 struct sony_nc_value *item; 1012 acpi_handle handle; 1013 1014 for (item = sony_nc_values; item->name; item++) { 1015 int ret; 1016 1017 if (!item->valid) 1018 continue; 1019 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, 1020 item->value, NULL); 1021 if (ret < 0) { 1022 printk("%s: %d\n", __func__, ret); 1023 break; 1024 } 1025 } 1026 1027 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1028 &handle))) { 1029 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1030 dprintk("ECON Method failed\n"); 1031 } 1032 1033 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1034 &handle))) { 1035 dprintk("Doing SNC setup\n"); 1036 sony_nc_function_setup(device); 1037 } 1038 1039 /* set the last requested brightness level */ 1040 if (sony_backlight_device && 1041 sony_backlight_update_status(sony_backlight_device) < 0) 1042 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n"); 1043 1044 /* re-read rfkill state */ 1045 sony_nc_rfkill_update(); 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 int result; 1085 bool hwblock; 1086 1087 switch (nc_type) { 1088 case SONY_WIFI: 1089 type = RFKILL_TYPE_WLAN; 1090 name = "sony-wifi"; 1091 break; 1092 case SONY_BLUETOOTH: 1093 type = RFKILL_TYPE_BLUETOOTH; 1094 name = "sony-bluetooth"; 1095 break; 1096 case SONY_WWAN: 1097 type = RFKILL_TYPE_WWAN; 1098 name = "sony-wwan"; 1099 break; 1100 case SONY_WIMAX: 1101 type = RFKILL_TYPE_WIMAX; 1102 name = "sony-wimax"; 1103 break; 1104 default: 1105 return -EINVAL; 1106 } 1107 1108 rfk = rfkill_alloc(name, &device->dev, type, 1109 &sony_rfkill_ops, (void *)nc_type); 1110 if (!rfk) 1111 return -ENOMEM; 1112 1113 sony_call_snc_handle(0x124, 0x200, &result); 1114 hwblock = !(result & 0x1); 1115 rfkill_set_hw_state(rfk, hwblock); 1116 1117 err = rfkill_register(rfk); 1118 if (err) { 1119 rfkill_destroy(rfk); 1120 return err; 1121 } 1122 sony_rfkill_devices[nc_type] = rfk; 1123 return err; 1124 } 1125 1126 static void sony_nc_rfkill_update() 1127 { 1128 enum sony_nc_rfkill i; 1129 int result; 1130 bool hwblock; 1131 1132 sony_call_snc_handle(0x124, 0x200, &result); 1133 hwblock = !(result & 0x1); 1134 1135 for (i = 0; i < N_SONY_RFKILL; i++) { 1136 int argument = sony_rfkill_address[i]; 1137 1138 if (!sony_rfkill_devices[i]) 1139 continue; 1140 1141 if (hwblock) { 1142 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1143 /* we already know we're blocked */ 1144 } 1145 continue; 1146 } 1147 1148 sony_call_snc_handle(0x124, argument, &result); 1149 rfkill_set_states(sony_rfkill_devices[i], 1150 !(result & 0xf), false); 1151 } 1152 } 1153 1154 static int sony_nc_rfkill_setup(struct acpi_device *device) 1155 { 1156 int result, ret; 1157 1158 if (sony_find_snc_handle(0x124) == -1) 1159 return -1; 1160 1161 ret = sony_call_snc_handle(0x124, 0xb00, &result); 1162 if (ret) { 1163 printk(KERN_INFO DRV_PFX 1164 "Unable to enumerate rfkill devices: %x\n", ret); 1165 return ret; 1166 } 1167 1168 if (result & 0x1) 1169 sony_nc_setup_rfkill(device, SONY_WIFI); 1170 if (result & 0x2) 1171 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1172 if (result & 0x1c) 1173 sony_nc_setup_rfkill(device, SONY_WWAN); 1174 if (result & 0x20) 1175 sony_nc_setup_rfkill(device, SONY_WIMAX); 1176 1177 return 0; 1178 } 1179 1180 static int sony_nc_add(struct acpi_device *device) 1181 { 1182 acpi_status status; 1183 int result = 0; 1184 acpi_handle handle; 1185 struct sony_nc_value *item; 1186 1187 printk(KERN_INFO DRV_PFX "%s v%s.\n", 1188 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 1189 1190 sony_nc_acpi_device = device; 1191 strcpy(acpi_device_class(device), "sony/hotkey"); 1192 1193 sony_nc_acpi_handle = device->handle; 1194 1195 /* read device status */ 1196 result = acpi_bus_get_status(device); 1197 /* bail IFF the above call was successful and the device is not present */ 1198 if (!result && !device->status.present) { 1199 dprintk("Device not present\n"); 1200 result = -ENODEV; 1201 goto outwalk; 1202 } 1203 1204 if (debug) { 1205 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1206 1, sony_walk_callback, NULL, NULL); 1207 if (ACPI_FAILURE(status)) { 1208 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n"); 1209 result = -ENODEV; 1210 goto outwalk; 1211 } 1212 } 1213 1214 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1215 &handle))) { 1216 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL)) 1217 dprintk("ECON Method failed\n"); 1218 } 1219 1220 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1221 &handle))) { 1222 dprintk("Doing SNC setup\n"); 1223 sony_nc_function_setup(device); 1224 sony_nc_rfkill_setup(device); 1225 } 1226 1227 /* setup input devices and helper fifo */ 1228 result = sony_laptop_setup_input(device); 1229 if (result) { 1230 printk(KERN_ERR DRV_PFX 1231 "Unable to create input devices.\n"); 1232 goto outwalk; 1233 } 1234 1235 if (acpi_video_backlight_support()) { 1236 printk(KERN_INFO DRV_PFX "brightness ignored, must be " 1237 "controlled by ACPI video driver\n"); 1238 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 1239 &handle))) { 1240 sony_backlight_device = backlight_device_register("sony", NULL, 1241 NULL, 1242 &sony_backlight_ops); 1243 1244 if (IS_ERR(sony_backlight_device)) { 1245 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); 1246 sony_backlight_device = NULL; 1247 } else { 1248 sony_backlight_device->props.brightness = 1249 sony_backlight_get_brightness 1250 (sony_backlight_device); 1251 sony_backlight_device->props.max_brightness = 1252 SONY_MAX_BRIGHTNESS - 1; 1253 } 1254 1255 } 1256 1257 result = sony_pf_add(); 1258 if (result) 1259 goto outbacklight; 1260 1261 /* create sony_pf sysfs attributes related to the SNC device */ 1262 for (item = sony_nc_values; item->name; ++item) { 1263 1264 if (!debug && item->debug) 1265 continue; 1266 1267 /* find the available acpiget as described in the DSDT */ 1268 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 1269 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1270 *item->acpiget, 1271 &handle))) { 1272 dprintk("Found %s getter: %s\n", 1273 item->name, *item->acpiget); 1274 item->devattr.attr.mode |= S_IRUGO; 1275 break; 1276 } 1277 } 1278 1279 /* find the available acpiset as described in the DSDT */ 1280 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 1281 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 1282 *item->acpiset, 1283 &handle))) { 1284 dprintk("Found %s setter: %s\n", 1285 item->name, *item->acpiset); 1286 item->devattr.attr.mode |= S_IWUSR; 1287 break; 1288 } 1289 } 1290 1291 if (item->devattr.attr.mode != 0) { 1292 result = 1293 device_create_file(&sony_pf_device->dev, 1294 &item->devattr); 1295 if (result) 1296 goto out_sysfs; 1297 } 1298 } 1299 1300 return 0; 1301 1302 out_sysfs: 1303 for (item = sony_nc_values; item->name; ++item) { 1304 device_remove_file(&sony_pf_device->dev, &item->devattr); 1305 } 1306 sony_pf_remove(); 1307 1308 outbacklight: 1309 if (sony_backlight_device) 1310 backlight_device_unregister(sony_backlight_device); 1311 1312 sony_laptop_remove_input(); 1313 1314 outwalk: 1315 sony_nc_rfkill_cleanup(); 1316 return result; 1317 } 1318 1319 static int sony_nc_remove(struct acpi_device *device, int type) 1320 { 1321 struct sony_nc_value *item; 1322 1323 if (sony_backlight_device) 1324 backlight_device_unregister(sony_backlight_device); 1325 1326 sony_nc_acpi_device = NULL; 1327 1328 for (item = sony_nc_values; item->name; ++item) { 1329 device_remove_file(&sony_pf_device->dev, &item->devattr); 1330 } 1331 1332 sony_pf_remove(); 1333 sony_laptop_remove_input(); 1334 sony_nc_rfkill_cleanup(); 1335 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 1336 1337 return 0; 1338 } 1339 1340 static const struct acpi_device_id sony_device_ids[] = { 1341 {SONY_NC_HID, 0}, 1342 {SONY_PIC_HID, 0}, 1343 {"", 0}, 1344 }; 1345 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 1346 1347 static const struct acpi_device_id sony_nc_device_ids[] = { 1348 {SONY_NC_HID, 0}, 1349 {"", 0}, 1350 }; 1351 1352 static struct acpi_driver sony_nc_driver = { 1353 .name = SONY_NC_DRIVER_NAME, 1354 .class = SONY_NC_CLASS, 1355 .ids = sony_nc_device_ids, 1356 .owner = THIS_MODULE, 1357 .ops = { 1358 .add = sony_nc_add, 1359 .remove = sony_nc_remove, 1360 .resume = sony_nc_resume, 1361 .notify = sony_nc_notify, 1362 }, 1363 }; 1364 1365 /*********** SPIC (SNY6001) Device ***********/ 1366 1367 #define SONYPI_DEVICE_TYPE1 0x00000001 1368 #define SONYPI_DEVICE_TYPE2 0x00000002 1369 #define SONYPI_DEVICE_TYPE3 0x00000004 1370 #define SONYPI_DEVICE_TYPE4 0x00000008 1371 1372 #define SONYPI_TYPE1_OFFSET 0x04 1373 #define SONYPI_TYPE2_OFFSET 0x12 1374 #define SONYPI_TYPE3_OFFSET 0x12 1375 1376 struct sony_pic_ioport { 1377 struct acpi_resource_io io1; 1378 struct acpi_resource_io io2; 1379 struct list_head list; 1380 }; 1381 1382 struct sony_pic_irq { 1383 struct acpi_resource_irq irq; 1384 struct list_head list; 1385 }; 1386 1387 struct sonypi_eventtypes { 1388 u8 data; 1389 unsigned long mask; 1390 struct sonypi_event *events; 1391 }; 1392 1393 struct sony_pic_dev { 1394 struct acpi_device *acpi_dev; 1395 struct sony_pic_irq *cur_irq; 1396 struct sony_pic_ioport *cur_ioport; 1397 struct list_head interrupts; 1398 struct list_head ioports; 1399 struct mutex lock; 1400 struct sonypi_eventtypes *event_types; 1401 int (*handle_irq)(const u8, const u8); 1402 int model; 1403 u16 evport_offset; 1404 u8 camera_power; 1405 u8 bluetooth_power; 1406 u8 wwan_power; 1407 }; 1408 1409 static struct sony_pic_dev spic_dev = { 1410 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 1411 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 1412 }; 1413 1414 static int spic_drv_registered; 1415 1416 /* Event masks */ 1417 #define SONYPI_JOGGER_MASK 0x00000001 1418 #define SONYPI_CAPTURE_MASK 0x00000002 1419 #define SONYPI_FNKEY_MASK 0x00000004 1420 #define SONYPI_BLUETOOTH_MASK 0x00000008 1421 #define SONYPI_PKEY_MASK 0x00000010 1422 #define SONYPI_BACK_MASK 0x00000020 1423 #define SONYPI_HELP_MASK 0x00000040 1424 #define SONYPI_LID_MASK 0x00000080 1425 #define SONYPI_ZOOM_MASK 0x00000100 1426 #define SONYPI_THUMBPHRASE_MASK 0x00000200 1427 #define SONYPI_MEYE_MASK 0x00000400 1428 #define SONYPI_MEMORYSTICK_MASK 0x00000800 1429 #define SONYPI_BATTERY_MASK 0x00001000 1430 #define SONYPI_WIRELESS_MASK 0x00002000 1431 1432 struct sonypi_event { 1433 u8 data; 1434 u8 event; 1435 }; 1436 1437 /* The set of possible button release events */ 1438 static struct sonypi_event sonypi_releaseev[] = { 1439 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1440 { 0, 0 } 1441 }; 1442 1443 /* The set of possible jogger events */ 1444 static struct sonypi_event sonypi_joggerev[] = { 1445 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 1446 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 1447 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 1448 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 1449 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 1450 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 1451 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 1452 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 1453 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 1454 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 1455 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 1456 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 1457 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 1458 { 0, 0 } 1459 }; 1460 1461 /* The set of possible capture button events */ 1462 static struct sonypi_event sonypi_captureev[] = { 1463 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 1464 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 1465 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 1466 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 1467 { 0, 0 } 1468 }; 1469 1470 /* The set of possible fnkeys events */ 1471 static struct sonypi_event sonypi_fnkeyev[] = { 1472 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 1473 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 1474 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 1475 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 1476 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 1477 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 1478 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 1479 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 1480 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 1481 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 1482 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 1483 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 1484 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 1485 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 1486 { 0x21, SONYPI_EVENT_FNKEY_1 }, 1487 { 0x22, SONYPI_EVENT_FNKEY_2 }, 1488 { 0x31, SONYPI_EVENT_FNKEY_D }, 1489 { 0x32, SONYPI_EVENT_FNKEY_E }, 1490 { 0x33, SONYPI_EVENT_FNKEY_F }, 1491 { 0x34, SONYPI_EVENT_FNKEY_S }, 1492 { 0x35, SONYPI_EVENT_FNKEY_B }, 1493 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 1494 { 0, 0 } 1495 }; 1496 1497 /* The set of possible program key events */ 1498 static struct sonypi_event sonypi_pkeyev[] = { 1499 { 0x01, SONYPI_EVENT_PKEY_P1 }, 1500 { 0x02, SONYPI_EVENT_PKEY_P2 }, 1501 { 0x04, SONYPI_EVENT_PKEY_P3 }, 1502 { 0x20, SONYPI_EVENT_PKEY_P1 }, 1503 { 0, 0 } 1504 }; 1505 1506 /* The set of possible bluetooth events */ 1507 static struct sonypi_event sonypi_blueev[] = { 1508 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 1509 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 1510 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 1511 { 0, 0 } 1512 }; 1513 1514 /* The set of possible wireless events */ 1515 static struct sonypi_event sonypi_wlessev[] = { 1516 { 0x59, SONYPI_EVENT_WIRELESS_ON }, 1517 { 0x5a, SONYPI_EVENT_WIRELESS_OFF }, 1518 { 0, 0 } 1519 }; 1520 1521 /* The set of possible back button events */ 1522 static struct sonypi_event sonypi_backev[] = { 1523 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 1524 { 0, 0 } 1525 }; 1526 1527 /* The set of possible help button events */ 1528 static struct sonypi_event sonypi_helpev[] = { 1529 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 1530 { 0, 0 } 1531 }; 1532 1533 1534 /* The set of possible lid events */ 1535 static struct sonypi_event sonypi_lidev[] = { 1536 { 0x51, SONYPI_EVENT_LID_CLOSED }, 1537 { 0x50, SONYPI_EVENT_LID_OPENED }, 1538 { 0, 0 } 1539 }; 1540 1541 /* The set of possible zoom events */ 1542 static struct sonypi_event sonypi_zoomev[] = { 1543 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 1544 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 1545 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 1546 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 1547 { 0, 0 } 1548 }; 1549 1550 /* The set of possible thumbphrase events */ 1551 static struct sonypi_event sonypi_thumbphraseev[] = { 1552 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 1553 { 0, 0 } 1554 }; 1555 1556 /* The set of possible motioneye camera events */ 1557 static struct sonypi_event sonypi_meyeev[] = { 1558 { 0x00, SONYPI_EVENT_MEYE_FACE }, 1559 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 1560 { 0, 0 } 1561 }; 1562 1563 /* The set of possible memorystick events */ 1564 static struct sonypi_event sonypi_memorystickev[] = { 1565 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 1566 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 1567 { 0, 0 } 1568 }; 1569 1570 /* The set of possible battery events */ 1571 static struct sonypi_event sonypi_batteryev[] = { 1572 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 1573 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 1574 { 0, 0 } 1575 }; 1576 1577 /* The set of possible volume events */ 1578 static struct sonypi_event sonypi_volumeev[] = { 1579 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 1580 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 1581 { 0, 0 } 1582 }; 1583 1584 /* The set of possible brightness events */ 1585 static struct sonypi_event sonypi_brightnessev[] = { 1586 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 1587 { 0, 0 } 1588 }; 1589 1590 static struct sonypi_eventtypes type1_events[] = { 1591 { 0, 0xffffffff, sonypi_releaseev }, 1592 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 1593 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 1594 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1595 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1596 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1597 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1598 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1599 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1600 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1601 { 0 }, 1602 }; 1603 static struct sonypi_eventtypes type2_events[] = { 1604 { 0, 0xffffffff, sonypi_releaseev }, 1605 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 1606 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 1607 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1608 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1609 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 1610 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1611 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 1612 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 1613 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1614 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 1615 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1616 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1617 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1618 { 0 }, 1619 }; 1620 static struct sonypi_eventtypes type3_events[] = { 1621 { 0, 0xffffffff, sonypi_releaseev }, 1622 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 1623 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 1624 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 1625 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 1626 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1627 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 1628 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 1629 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 1630 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 1631 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 1632 { 0 }, 1633 }; 1634 1635 /* low level spic calls */ 1636 #define ITERATIONS_LONG 10000 1637 #define ITERATIONS_SHORT 10 1638 #define wait_on_command(command, iterations) { \ 1639 unsigned int n = iterations; \ 1640 while (--n && (command)) \ 1641 udelay(1); \ 1642 if (!n) \ 1643 dprintk("command failed at %s : %s (line %d)\n", \ 1644 __FILE__, __func__, __LINE__); \ 1645 } 1646 1647 static u8 sony_pic_call1(u8 dev) 1648 { 1649 u8 v1, v2; 1650 1651 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1652 ITERATIONS_LONG); 1653 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1654 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 1655 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 1656 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 1657 return v2; 1658 } 1659 1660 static u8 sony_pic_call2(u8 dev, u8 fn) 1661 { 1662 u8 v1; 1663 1664 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1665 ITERATIONS_LONG); 1666 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1667 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 1668 ITERATIONS_LONG); 1669 outb(fn, spic_dev.cur_ioport->io1.minimum); 1670 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1671 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 1672 return v1; 1673 } 1674 1675 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 1676 { 1677 u8 v1; 1678 1679 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1680 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 1681 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1682 outb(fn, spic_dev.cur_ioport->io1.minimum); 1683 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 1684 outb(v, spic_dev.cur_ioport->io1.minimum); 1685 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 1686 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 1687 dev, fn, v, v1); 1688 return v1; 1689 } 1690 1691 /* 1692 * minidrivers for SPIC models 1693 */ 1694 static int type3_handle_irq(const u8 data_mask, const u8 ev) 1695 { 1696 /* 1697 * 0x31 could mean we have to take some extra action and wait for 1698 * the next irq for some Type3 models, it will generate a new 1699 * irq and we can read new data from the device: 1700 * - 0x5c and 0x5f requires 0xA0 1701 * - 0x61 requires 0xB3 1702 */ 1703 if (data_mask == 0x31) { 1704 if (ev == 0x5c || ev == 0x5f) 1705 sony_pic_call1(0xA0); 1706 else if (ev == 0x61) 1707 sony_pic_call1(0xB3); 1708 return 0; 1709 } 1710 return 1; 1711 } 1712 1713 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 1714 { 1715 struct pci_dev *pcidev; 1716 1717 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1718 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 1719 if (pcidev) { 1720 dev->model = SONYPI_DEVICE_TYPE1; 1721 dev->evport_offset = SONYPI_TYPE1_OFFSET; 1722 dev->event_types = type1_events; 1723 goto out; 1724 } 1725 1726 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1727 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 1728 if (pcidev) { 1729 dev->model = SONYPI_DEVICE_TYPE2; 1730 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1731 dev->event_types = type2_events; 1732 goto out; 1733 } 1734 1735 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1736 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 1737 if (pcidev) { 1738 dev->model = SONYPI_DEVICE_TYPE3; 1739 dev->handle_irq = type3_handle_irq; 1740 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1741 dev->event_types = type3_events; 1742 goto out; 1743 } 1744 1745 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1746 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 1747 if (pcidev) { 1748 dev->model = SONYPI_DEVICE_TYPE3; 1749 dev->handle_irq = type3_handle_irq; 1750 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1751 dev->event_types = type3_events; 1752 goto out; 1753 } 1754 1755 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 1756 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 1757 if (pcidev) { 1758 dev->model = SONYPI_DEVICE_TYPE3; 1759 dev->handle_irq = type3_handle_irq; 1760 dev->evport_offset = SONYPI_TYPE3_OFFSET; 1761 dev->event_types = type3_events; 1762 goto out; 1763 } 1764 1765 /* default */ 1766 dev->model = SONYPI_DEVICE_TYPE2; 1767 dev->evport_offset = SONYPI_TYPE2_OFFSET; 1768 dev->event_types = type2_events; 1769 1770 out: 1771 if (pcidev) 1772 pci_dev_put(pcidev); 1773 1774 printk(KERN_INFO DRV_PFX "detected Type%d model\n", 1775 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 1776 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 1777 } 1778 1779 /* camera tests and poweron/poweroff */ 1780 #define SONYPI_CAMERA_PICTURE 5 1781 #define SONYPI_CAMERA_CONTROL 0x10 1782 1783 #define SONYPI_CAMERA_BRIGHTNESS 0 1784 #define SONYPI_CAMERA_CONTRAST 1 1785 #define SONYPI_CAMERA_HUE 2 1786 #define SONYPI_CAMERA_COLOR 3 1787 #define SONYPI_CAMERA_SHARPNESS 4 1788 1789 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 1790 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 1791 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 1792 #define SONYPI_CAMERA_MUTE_MASK 0x40 1793 1794 /* the rest don't need a loop until not 0xff */ 1795 #define SONYPI_CAMERA_AGC 6 1796 #define SONYPI_CAMERA_AGC_MASK 0x30 1797 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 1798 1799 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 1800 #define SONYPI_CAMERA_CONTROL 0x10 1801 1802 #define SONYPI_CAMERA_STATUS 7 1803 #define SONYPI_CAMERA_STATUS_READY 0x2 1804 #define SONYPI_CAMERA_STATUS_POSITION 0x4 1805 1806 #define SONYPI_DIRECTION_BACKWARDS 0x4 1807 1808 #define SONYPI_CAMERA_REVISION 8 1809 #define SONYPI_CAMERA_ROMVERSION 9 1810 1811 static int __sony_pic_camera_ready(void) 1812 { 1813 u8 v; 1814 1815 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 1816 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 1817 } 1818 1819 static int __sony_pic_camera_off(void) 1820 { 1821 if (!camera) { 1822 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1823 return -ENODEV; 1824 } 1825 1826 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 1827 SONYPI_CAMERA_MUTE_MASK), 1828 ITERATIONS_SHORT); 1829 1830 if (spic_dev.camera_power) { 1831 sony_pic_call2(0x91, 0); 1832 spic_dev.camera_power = 0; 1833 } 1834 return 0; 1835 } 1836 1837 static int __sony_pic_camera_on(void) 1838 { 1839 int i, j, x; 1840 1841 if (!camera) { 1842 printk(KERN_WARNING DRV_PFX "camera control not enabled\n"); 1843 return -ENODEV; 1844 } 1845 1846 if (spic_dev.camera_power) 1847 return 0; 1848 1849 for (j = 5; j > 0; j--) { 1850 1851 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 1852 msleep(10); 1853 sony_pic_call1(0x93); 1854 1855 for (i = 400; i > 0; i--) { 1856 if (__sony_pic_camera_ready()) 1857 break; 1858 msleep(10); 1859 } 1860 if (i) 1861 break; 1862 } 1863 1864 if (j == 0) { 1865 printk(KERN_WARNING DRV_PFX "failed to power on camera\n"); 1866 return -ENODEV; 1867 } 1868 1869 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 1870 0x5a), 1871 ITERATIONS_SHORT); 1872 1873 spic_dev.camera_power = 1; 1874 return 0; 1875 } 1876 1877 /* External camera command (exported to the motion eye v4l driver) */ 1878 int sony_pic_camera_command(int command, u8 value) 1879 { 1880 if (!camera) 1881 return -EIO; 1882 1883 mutex_lock(&spic_dev.lock); 1884 1885 switch (command) { 1886 case SONY_PIC_COMMAND_SETCAMERA: 1887 if (value) 1888 __sony_pic_camera_on(); 1889 else 1890 __sony_pic_camera_off(); 1891 break; 1892 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 1893 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 1894 ITERATIONS_SHORT); 1895 break; 1896 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 1897 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 1898 ITERATIONS_SHORT); 1899 break; 1900 case SONY_PIC_COMMAND_SETCAMERAHUE: 1901 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 1902 ITERATIONS_SHORT); 1903 break; 1904 case SONY_PIC_COMMAND_SETCAMERACOLOR: 1905 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 1906 ITERATIONS_SHORT); 1907 break; 1908 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 1909 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 1910 ITERATIONS_SHORT); 1911 break; 1912 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 1913 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 1914 ITERATIONS_SHORT); 1915 break; 1916 case SONY_PIC_COMMAND_SETCAMERAAGC: 1917 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 1918 ITERATIONS_SHORT); 1919 break; 1920 default: 1921 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n", 1922 command); 1923 break; 1924 } 1925 mutex_unlock(&spic_dev.lock); 1926 return 0; 1927 } 1928 EXPORT_SYMBOL(sony_pic_camera_command); 1929 1930 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 1931 static void __sony_pic_set_wwanpower(u8 state) 1932 { 1933 state = !!state; 1934 if (spic_dev.wwan_power == state) 1935 return; 1936 sony_pic_call2(0xB0, state); 1937 sony_pic_call1(0x82); 1938 spic_dev.wwan_power = state; 1939 } 1940 1941 static ssize_t sony_pic_wwanpower_store(struct device *dev, 1942 struct device_attribute *attr, 1943 const char *buffer, size_t count) 1944 { 1945 unsigned long value; 1946 if (count > 31) 1947 return -EINVAL; 1948 1949 value = simple_strtoul(buffer, NULL, 10); 1950 mutex_lock(&spic_dev.lock); 1951 __sony_pic_set_wwanpower(value); 1952 mutex_unlock(&spic_dev.lock); 1953 1954 return count; 1955 } 1956 1957 static ssize_t sony_pic_wwanpower_show(struct device *dev, 1958 struct device_attribute *attr, char *buffer) 1959 { 1960 ssize_t count; 1961 mutex_lock(&spic_dev.lock); 1962 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 1963 mutex_unlock(&spic_dev.lock); 1964 return count; 1965 } 1966 1967 /* bluetooth subsystem power state */ 1968 static void __sony_pic_set_bluetoothpower(u8 state) 1969 { 1970 state = !!state; 1971 if (spic_dev.bluetooth_power == state) 1972 return; 1973 sony_pic_call2(0x96, state); 1974 sony_pic_call1(0x82); 1975 spic_dev.bluetooth_power = state; 1976 } 1977 1978 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 1979 struct device_attribute *attr, 1980 const char *buffer, size_t count) 1981 { 1982 unsigned long value; 1983 if (count > 31) 1984 return -EINVAL; 1985 1986 value = simple_strtoul(buffer, NULL, 10); 1987 mutex_lock(&spic_dev.lock); 1988 __sony_pic_set_bluetoothpower(value); 1989 mutex_unlock(&spic_dev.lock); 1990 1991 return count; 1992 } 1993 1994 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 1995 struct device_attribute *attr, char *buffer) 1996 { 1997 ssize_t count = 0; 1998 mutex_lock(&spic_dev.lock); 1999 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 2000 mutex_unlock(&spic_dev.lock); 2001 return count; 2002 } 2003 2004 /* fan speed */ 2005 /* FAN0 information (reverse engineered from ACPI tables) */ 2006 #define SONY_PIC_FAN0_STATUS 0x93 2007 static int sony_pic_set_fanspeed(unsigned long value) 2008 { 2009 return ec_write(SONY_PIC_FAN0_STATUS, value); 2010 } 2011 2012 static int sony_pic_get_fanspeed(u8 *value) 2013 { 2014 return ec_read(SONY_PIC_FAN0_STATUS, value); 2015 } 2016 2017 static ssize_t sony_pic_fanspeed_store(struct device *dev, 2018 struct device_attribute *attr, 2019 const char *buffer, size_t count) 2020 { 2021 unsigned long value; 2022 if (count > 31) 2023 return -EINVAL; 2024 2025 value = simple_strtoul(buffer, NULL, 10); 2026 if (sony_pic_set_fanspeed(value)) 2027 return -EIO; 2028 2029 return count; 2030 } 2031 2032 static ssize_t sony_pic_fanspeed_show(struct device *dev, 2033 struct device_attribute *attr, char *buffer) 2034 { 2035 u8 value = 0; 2036 if (sony_pic_get_fanspeed(&value)) 2037 return -EIO; 2038 2039 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 2040 } 2041 2042 #define SPIC_ATTR(_name, _mode) \ 2043 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 2044 _mode, sony_pic_## _name ##_show, \ 2045 sony_pic_## _name ##_store) 2046 2047 static SPIC_ATTR(bluetoothpower, 0644); 2048 static SPIC_ATTR(wwanpower, 0644); 2049 static SPIC_ATTR(fanspeed, 0644); 2050 2051 static struct attribute *spic_attributes[] = { 2052 &spic_attr_bluetoothpower.attr, 2053 &spic_attr_wwanpower.attr, 2054 &spic_attr_fanspeed.attr, 2055 NULL 2056 }; 2057 2058 static struct attribute_group spic_attribute_group = { 2059 .attrs = spic_attributes 2060 }; 2061 2062 /******** SONYPI compatibility **********/ 2063 #ifdef CONFIG_SONYPI_COMPAT 2064 2065 /* battery / brightness / temperature addresses */ 2066 #define SONYPI_BAT_FLAGS 0x81 2067 #define SONYPI_LCD_LIGHT 0x96 2068 #define SONYPI_BAT1_PCTRM 0xa0 2069 #define SONYPI_BAT1_LEFT 0xa2 2070 #define SONYPI_BAT1_MAXRT 0xa4 2071 #define SONYPI_BAT2_PCTRM 0xa8 2072 #define SONYPI_BAT2_LEFT 0xaa 2073 #define SONYPI_BAT2_MAXRT 0xac 2074 #define SONYPI_BAT1_MAXTK 0xb0 2075 #define SONYPI_BAT1_FULL 0xb2 2076 #define SONYPI_BAT2_MAXTK 0xb8 2077 #define SONYPI_BAT2_FULL 0xba 2078 #define SONYPI_TEMP_STATUS 0xC1 2079 2080 struct sonypi_compat_s { 2081 struct fasync_struct *fifo_async; 2082 struct kfifo *fifo; 2083 spinlock_t fifo_lock; 2084 wait_queue_head_t fifo_proc_list; 2085 atomic_t open_count; 2086 }; 2087 static struct sonypi_compat_s sonypi_compat = { 2088 .open_count = ATOMIC_INIT(0), 2089 }; 2090 2091 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 2092 { 2093 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 2094 } 2095 2096 static int sonypi_misc_release(struct inode *inode, struct file *file) 2097 { 2098 atomic_dec(&sonypi_compat.open_count); 2099 return 0; 2100 } 2101 2102 static int sonypi_misc_open(struct inode *inode, struct file *file) 2103 { 2104 /* Flush input queue on first open */ 2105 unsigned long flags; 2106 2107 spin_lock_irqsave(sonypi_compat.fifo->lock, flags); 2108 2109 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 2110 __kfifo_reset(sonypi_compat.fifo); 2111 2112 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags); 2113 2114 return 0; 2115 } 2116 2117 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 2118 size_t count, loff_t *pos) 2119 { 2120 ssize_t ret; 2121 unsigned char c; 2122 2123 if ((kfifo_len(sonypi_compat.fifo) == 0) && 2124 (file->f_flags & O_NONBLOCK)) 2125 return -EAGAIN; 2126 2127 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 2128 kfifo_len(sonypi_compat.fifo) != 0); 2129 if (ret) 2130 return ret; 2131 2132 while (ret < count && 2133 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) { 2134 if (put_user(c, buf++)) 2135 return -EFAULT; 2136 ret++; 2137 } 2138 2139 if (ret > 0) { 2140 struct inode *inode = file->f_path.dentry->d_inode; 2141 inode->i_atime = current_fs_time(inode->i_sb); 2142 } 2143 2144 return ret; 2145 } 2146 2147 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 2148 { 2149 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 2150 if (kfifo_len(sonypi_compat.fifo)) 2151 return POLLIN | POLLRDNORM; 2152 return 0; 2153 } 2154 2155 static int ec_read16(u8 addr, u16 *value) 2156 { 2157 u8 val_lb, val_hb; 2158 if (ec_read(addr, &val_lb)) 2159 return -1; 2160 if (ec_read(addr + 1, &val_hb)) 2161 return -1; 2162 *value = val_lb | (val_hb << 8); 2163 return 0; 2164 } 2165 2166 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 2167 unsigned long arg) 2168 { 2169 int ret = 0; 2170 void __user *argp = (void __user *)arg; 2171 u8 val8; 2172 u16 val16; 2173 int value; 2174 2175 mutex_lock(&spic_dev.lock); 2176 switch (cmd) { 2177 case SONYPI_IOCGBRT: 2178 if (sony_backlight_device == NULL) { 2179 ret = -EIO; 2180 break; 2181 } 2182 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) { 2183 ret = -EIO; 2184 break; 2185 } 2186 val8 = ((value & 0xff) - 1) << 5; 2187 if (copy_to_user(argp, &val8, sizeof(val8))) 2188 ret = -EFAULT; 2189 break; 2190 case SONYPI_IOCSBRT: 2191 if (sony_backlight_device == NULL) { 2192 ret = -EIO; 2193 break; 2194 } 2195 if (copy_from_user(&val8, argp, sizeof(val8))) { 2196 ret = -EFAULT; 2197 break; 2198 } 2199 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT", 2200 (val8 >> 5) + 1, NULL)) { 2201 ret = -EIO; 2202 break; 2203 } 2204 /* sync the backlight device status */ 2205 sony_backlight_device->props.brightness = 2206 sony_backlight_get_brightness(sony_backlight_device); 2207 break; 2208 case SONYPI_IOCGBAT1CAP: 2209 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 2210 ret = -EIO; 2211 break; 2212 } 2213 if (copy_to_user(argp, &val16, sizeof(val16))) 2214 ret = -EFAULT; 2215 break; 2216 case SONYPI_IOCGBAT1REM: 2217 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 2218 ret = -EIO; 2219 break; 2220 } 2221 if (copy_to_user(argp, &val16, sizeof(val16))) 2222 ret = -EFAULT; 2223 break; 2224 case SONYPI_IOCGBAT2CAP: 2225 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 2226 ret = -EIO; 2227 break; 2228 } 2229 if (copy_to_user(argp, &val16, sizeof(val16))) 2230 ret = -EFAULT; 2231 break; 2232 case SONYPI_IOCGBAT2REM: 2233 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 2234 ret = -EIO; 2235 break; 2236 } 2237 if (copy_to_user(argp, &val16, sizeof(val16))) 2238 ret = -EFAULT; 2239 break; 2240 case SONYPI_IOCGBATFLAGS: 2241 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 2242 ret = -EIO; 2243 break; 2244 } 2245 val8 &= 0x07; 2246 if (copy_to_user(argp, &val8, sizeof(val8))) 2247 ret = -EFAULT; 2248 break; 2249 case SONYPI_IOCGBLUE: 2250 val8 = spic_dev.bluetooth_power; 2251 if (copy_to_user(argp, &val8, sizeof(val8))) 2252 ret = -EFAULT; 2253 break; 2254 case SONYPI_IOCSBLUE: 2255 if (copy_from_user(&val8, argp, sizeof(val8))) { 2256 ret = -EFAULT; 2257 break; 2258 } 2259 __sony_pic_set_bluetoothpower(val8); 2260 break; 2261 /* FAN Controls */ 2262 case SONYPI_IOCGFAN: 2263 if (sony_pic_get_fanspeed(&val8)) { 2264 ret = -EIO; 2265 break; 2266 } 2267 if (copy_to_user(argp, &val8, sizeof(val8))) 2268 ret = -EFAULT; 2269 break; 2270 case SONYPI_IOCSFAN: 2271 if (copy_from_user(&val8, argp, sizeof(val8))) { 2272 ret = -EFAULT; 2273 break; 2274 } 2275 if (sony_pic_set_fanspeed(val8)) 2276 ret = -EIO; 2277 break; 2278 /* GET Temperature (useful under APM) */ 2279 case SONYPI_IOCGTEMP: 2280 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 2281 ret = -EIO; 2282 break; 2283 } 2284 if (copy_to_user(argp, &val8, sizeof(val8))) 2285 ret = -EFAULT; 2286 break; 2287 default: 2288 ret = -EINVAL; 2289 } 2290 mutex_unlock(&spic_dev.lock); 2291 return ret; 2292 } 2293 2294 static const struct file_operations sonypi_misc_fops = { 2295 .owner = THIS_MODULE, 2296 .read = sonypi_misc_read, 2297 .poll = sonypi_misc_poll, 2298 .open = sonypi_misc_open, 2299 .release = sonypi_misc_release, 2300 .fasync = sonypi_misc_fasync, 2301 .unlocked_ioctl = sonypi_misc_ioctl, 2302 }; 2303 2304 static struct miscdevice sonypi_misc_device = { 2305 .minor = MISC_DYNAMIC_MINOR, 2306 .name = "sonypi", 2307 .fops = &sonypi_misc_fops, 2308 }; 2309 2310 static void sonypi_compat_report_event(u8 event) 2311 { 2312 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event)); 2313 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 2314 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 2315 } 2316 2317 static int sonypi_compat_init(void) 2318 { 2319 int error; 2320 2321 spin_lock_init(&sonypi_compat.fifo_lock); 2322 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL, 2323 &sonypi_compat.fifo_lock); 2324 if (IS_ERR(sonypi_compat.fifo)) { 2325 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n"); 2326 return PTR_ERR(sonypi_compat.fifo); 2327 } 2328 2329 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 2330 2331 if (minor != -1) 2332 sonypi_misc_device.minor = minor; 2333 error = misc_register(&sonypi_misc_device); 2334 if (error) { 2335 printk(KERN_ERR DRV_PFX "misc_register failed\n"); 2336 goto err_free_kfifo; 2337 } 2338 if (minor == -1) 2339 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n", 2340 sonypi_misc_device.minor); 2341 2342 return 0; 2343 2344 err_free_kfifo: 2345 kfifo_free(sonypi_compat.fifo); 2346 return error; 2347 } 2348 2349 static void sonypi_compat_exit(void) 2350 { 2351 misc_deregister(&sonypi_misc_device); 2352 kfifo_free(sonypi_compat.fifo); 2353 } 2354 #else 2355 static int sonypi_compat_init(void) { return 0; } 2356 static void sonypi_compat_exit(void) { } 2357 static void sonypi_compat_report_event(u8 event) { } 2358 #endif /* CONFIG_SONYPI_COMPAT */ 2359 2360 /* 2361 * ACPI callbacks 2362 */ 2363 static acpi_status 2364 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 2365 { 2366 u32 i; 2367 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 2368 2369 switch (resource->type) { 2370 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 2371 { 2372 /* start IO enumeration */ 2373 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 2374 if (!ioport) 2375 return AE_ERROR; 2376 2377 list_add(&ioport->list, &dev->ioports); 2378 return AE_OK; 2379 } 2380 2381 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 2382 /* end IO enumeration */ 2383 return AE_OK; 2384 2385 case ACPI_RESOURCE_TYPE_IRQ: 2386 { 2387 struct acpi_resource_irq *p = &resource->data.irq; 2388 struct sony_pic_irq *interrupt = NULL; 2389 if (!p || !p->interrupt_count) { 2390 /* 2391 * IRQ descriptors may have no IRQ# bits set, 2392 * particularly those those w/ _STA disabled 2393 */ 2394 dprintk("Blank IRQ resource\n"); 2395 return AE_OK; 2396 } 2397 for (i = 0; i < p->interrupt_count; i++) { 2398 if (!p->interrupts[i]) { 2399 printk(KERN_WARNING DRV_PFX 2400 "Invalid IRQ %d\n", 2401 p->interrupts[i]); 2402 continue; 2403 } 2404 interrupt = kzalloc(sizeof(*interrupt), 2405 GFP_KERNEL); 2406 if (!interrupt) 2407 return AE_ERROR; 2408 2409 list_add(&interrupt->list, &dev->interrupts); 2410 interrupt->irq.triggering = p->triggering; 2411 interrupt->irq.polarity = p->polarity; 2412 interrupt->irq.sharable = p->sharable; 2413 interrupt->irq.interrupt_count = 1; 2414 interrupt->irq.interrupts[0] = p->interrupts[i]; 2415 } 2416 return AE_OK; 2417 } 2418 case ACPI_RESOURCE_TYPE_IO: 2419 { 2420 struct acpi_resource_io *io = &resource->data.io; 2421 struct sony_pic_ioport *ioport = 2422 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 2423 if (!io) { 2424 dprintk("Blank IO resource\n"); 2425 return AE_OK; 2426 } 2427 2428 if (!ioport->io1.minimum) { 2429 memcpy(&ioport->io1, io, sizeof(*io)); 2430 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 2431 ioport->io1.address_length); 2432 } 2433 else if (!ioport->io2.minimum) { 2434 memcpy(&ioport->io2, io, sizeof(*io)); 2435 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 2436 ioport->io2.address_length); 2437 } 2438 else { 2439 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); 2440 return AE_ERROR; 2441 } 2442 return AE_OK; 2443 } 2444 default: 2445 dprintk("Resource %d isn't an IRQ nor an IO port\n", 2446 resource->type); 2447 2448 case ACPI_RESOURCE_TYPE_END_TAG: 2449 return AE_OK; 2450 } 2451 return AE_CTRL_TERMINATE; 2452 } 2453 2454 static int sony_pic_possible_resources(struct acpi_device *device) 2455 { 2456 int result = 0; 2457 acpi_status status = AE_OK; 2458 2459 if (!device) 2460 return -EINVAL; 2461 2462 /* get device status */ 2463 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 2464 dprintk("Evaluating _STA\n"); 2465 result = acpi_bus_get_status(device); 2466 if (result) { 2467 printk(KERN_WARNING DRV_PFX "Unable to read status\n"); 2468 goto end; 2469 } 2470 2471 if (!device->status.enabled) 2472 dprintk("Device disabled\n"); 2473 else 2474 dprintk("Device enabled\n"); 2475 2476 /* 2477 * Query and parse 'method' 2478 */ 2479 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 2480 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 2481 sony_pic_read_possible_resource, &spic_dev); 2482 if (ACPI_FAILURE(status)) { 2483 printk(KERN_WARNING DRV_PFX 2484 "Failure evaluating %s\n", 2485 METHOD_NAME__PRS); 2486 result = -ENODEV; 2487 } 2488 end: 2489 return result; 2490 } 2491 2492 /* 2493 * Disable the spic device by calling its _DIS method 2494 */ 2495 static int sony_pic_disable(struct acpi_device *device) 2496 { 2497 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 2498 NULL); 2499 2500 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 2501 return -ENXIO; 2502 2503 dprintk("Device disabled\n"); 2504 return 0; 2505 } 2506 2507 2508 /* 2509 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 2510 * 2511 * Call _SRS to set current resources 2512 */ 2513 static int sony_pic_enable(struct acpi_device *device, 2514 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 2515 { 2516 acpi_status status; 2517 int result = 0; 2518 /* Type 1 resource layout is: 2519 * IO 2520 * IO 2521 * IRQNoFlags 2522 * End 2523 * 2524 * Type 2 and 3 resource layout is: 2525 * IO 2526 * IRQNoFlags 2527 * End 2528 */ 2529 struct { 2530 struct acpi_resource res1; 2531 struct acpi_resource res2; 2532 struct acpi_resource res3; 2533 struct acpi_resource res4; 2534 } *resource; 2535 struct acpi_buffer buffer = { 0, NULL }; 2536 2537 if (!ioport || !irq) 2538 return -EINVAL; 2539 2540 /* init acpi_buffer */ 2541 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 2542 if (!resource) 2543 return -ENOMEM; 2544 2545 buffer.length = sizeof(*resource) + 1; 2546 buffer.pointer = resource; 2547 2548 /* setup Type 1 resources */ 2549 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 2550 2551 /* setup io resources */ 2552 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2553 resource->res1.length = sizeof(struct acpi_resource); 2554 memcpy(&resource->res1.data.io, &ioport->io1, 2555 sizeof(struct acpi_resource_io)); 2556 2557 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 2558 resource->res2.length = sizeof(struct acpi_resource); 2559 memcpy(&resource->res2.data.io, &ioport->io2, 2560 sizeof(struct acpi_resource_io)); 2561 2562 /* setup irq resource */ 2563 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 2564 resource->res3.length = sizeof(struct acpi_resource); 2565 memcpy(&resource->res3.data.irq, &irq->irq, 2566 sizeof(struct acpi_resource_irq)); 2567 /* we requested a shared irq */ 2568 resource->res3.data.irq.sharable = ACPI_SHARED; 2569 2570 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 2571 2572 } 2573 /* setup Type 2/3 resources */ 2574 else { 2575 /* setup io resource */ 2576 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 2577 resource->res1.length = sizeof(struct acpi_resource); 2578 memcpy(&resource->res1.data.io, &ioport->io1, 2579 sizeof(struct acpi_resource_io)); 2580 2581 /* setup irq resource */ 2582 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 2583 resource->res2.length = sizeof(struct acpi_resource); 2584 memcpy(&resource->res2.data.irq, &irq->irq, 2585 sizeof(struct acpi_resource_irq)); 2586 /* we requested a shared irq */ 2587 resource->res2.data.irq.sharable = ACPI_SHARED; 2588 2589 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 2590 } 2591 2592 /* Attempt to set the resource */ 2593 dprintk("Evaluating _SRS\n"); 2594 status = acpi_set_current_resources(device->handle, &buffer); 2595 2596 /* check for total failure */ 2597 if (ACPI_FAILURE(status)) { 2598 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); 2599 result = -ENODEV; 2600 goto end; 2601 } 2602 2603 /* Necessary device initializations calls (from sonypi) */ 2604 sony_pic_call1(0x82); 2605 sony_pic_call2(0x81, 0xff); 2606 sony_pic_call1(compat ? 0x92 : 0x82); 2607 2608 end: 2609 kfree(resource); 2610 return result; 2611 } 2612 2613 /***************** 2614 * 2615 * ISR: some event is available 2616 * 2617 *****************/ 2618 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 2619 { 2620 int i, j; 2621 u8 ev = 0; 2622 u8 data_mask = 0; 2623 u8 device_event = 0; 2624 2625 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 2626 2627 ev = inb_p(dev->cur_ioport->io1.minimum); 2628 if (dev->cur_ioport->io2.minimum) 2629 data_mask = inb_p(dev->cur_ioport->io2.minimum); 2630 else 2631 data_mask = inb_p(dev->cur_ioport->io1.minimum + 2632 dev->evport_offset); 2633 2634 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2635 ev, data_mask, dev->cur_ioport->io1.minimum, 2636 dev->evport_offset); 2637 2638 if (ev == 0x00 || ev == 0xff) 2639 return IRQ_HANDLED; 2640 2641 for (i = 0; dev->event_types[i].mask; i++) { 2642 2643 if ((data_mask & dev->event_types[i].data) != 2644 dev->event_types[i].data) 2645 continue; 2646 2647 if (!(mask & dev->event_types[i].mask)) 2648 continue; 2649 2650 for (j = 0; dev->event_types[i].events[j].event; j++) { 2651 if (ev == dev->event_types[i].events[j].data) { 2652 device_event = 2653 dev->event_types[i].events[j].event; 2654 goto found; 2655 } 2656 } 2657 } 2658 /* Still not able to decode the event try to pass 2659 * it over to the minidriver 2660 */ 2661 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 2662 return IRQ_HANDLED; 2663 2664 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 2665 ev, data_mask, dev->cur_ioport->io1.minimum, 2666 dev->evport_offset); 2667 return IRQ_HANDLED; 2668 2669 found: 2670 sony_laptop_report_input_event(device_event); 2671 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); 2672 sonypi_compat_report_event(device_event); 2673 2674 return IRQ_HANDLED; 2675 } 2676 2677 /***************** 2678 * 2679 * ACPI driver 2680 * 2681 *****************/ 2682 static int sony_pic_remove(struct acpi_device *device, int type) 2683 { 2684 struct sony_pic_ioport *io, *tmp_io; 2685 struct sony_pic_irq *irq, *tmp_irq; 2686 2687 if (sony_pic_disable(device)) { 2688 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n"); 2689 return -ENXIO; 2690 } 2691 2692 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2693 release_region(spic_dev.cur_ioport->io1.minimum, 2694 spic_dev.cur_ioport->io1.address_length); 2695 if (spic_dev.cur_ioport->io2.minimum) 2696 release_region(spic_dev.cur_ioport->io2.minimum, 2697 spic_dev.cur_ioport->io2.address_length); 2698 2699 sonypi_compat_exit(); 2700 2701 sony_laptop_remove_input(); 2702 2703 /* pf attrs */ 2704 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2705 sony_pf_remove(); 2706 2707 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2708 list_del(&io->list); 2709 kfree(io); 2710 } 2711 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2712 list_del(&irq->list); 2713 kfree(irq); 2714 } 2715 spic_dev.cur_ioport = NULL; 2716 spic_dev.cur_irq = NULL; 2717 2718 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 2719 return 0; 2720 } 2721 2722 static int sony_pic_add(struct acpi_device *device) 2723 { 2724 int result; 2725 struct sony_pic_ioport *io, *tmp_io; 2726 struct sony_pic_irq *irq, *tmp_irq; 2727 2728 printk(KERN_INFO DRV_PFX "%s v%s.\n", 2729 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2730 2731 spic_dev.acpi_dev = device; 2732 strcpy(acpi_device_class(device), "sony/hotkey"); 2733 sony_pic_detect_device_type(&spic_dev); 2734 mutex_init(&spic_dev.lock); 2735 2736 /* read _PRS resources */ 2737 result = sony_pic_possible_resources(device); 2738 if (result) { 2739 printk(KERN_ERR DRV_PFX 2740 "Unable to read possible resources.\n"); 2741 goto err_free_resources; 2742 } 2743 2744 /* setup input devices and helper fifo */ 2745 result = sony_laptop_setup_input(device); 2746 if (result) { 2747 printk(KERN_ERR DRV_PFX 2748 "Unable to create input devices.\n"); 2749 goto err_free_resources; 2750 } 2751 2752 if (sonypi_compat_init()) 2753 goto err_remove_input; 2754 2755 /* request io port */ 2756 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 2757 if (request_region(io->io1.minimum, io->io1.address_length, 2758 "Sony Programable I/O Device")) { 2759 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 2760 io->io1.minimum, io->io1.maximum, 2761 io->io1.address_length); 2762 /* Type 1 have 2 ioports */ 2763 if (io->io2.minimum) { 2764 if (request_region(io->io2.minimum, 2765 io->io2.address_length, 2766 "Sony Programable I/O Device")) { 2767 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 2768 io->io2.minimum, io->io2.maximum, 2769 io->io2.address_length); 2770 spic_dev.cur_ioport = io; 2771 break; 2772 } 2773 else { 2774 dprintk("Unable to get I/O port2: " 2775 "0x%.4x (0x%.4x) + 0x%.2x\n", 2776 io->io2.minimum, io->io2.maximum, 2777 io->io2.address_length); 2778 release_region(io->io1.minimum, 2779 io->io1.address_length); 2780 } 2781 } 2782 else { 2783 spic_dev.cur_ioport = io; 2784 break; 2785 } 2786 } 2787 } 2788 if (!spic_dev.cur_ioport) { 2789 printk(KERN_ERR DRV_PFX "Failed to request_region.\n"); 2790 result = -ENODEV; 2791 goto err_remove_compat; 2792 } 2793 2794 /* request IRQ */ 2795 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 2796 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 2797 IRQF_DISABLED, "sony-laptop", &spic_dev)) { 2798 dprintk("IRQ: %d - triggering: %d - " 2799 "polarity: %d - shr: %d\n", 2800 irq->irq.interrupts[0], 2801 irq->irq.triggering, 2802 irq->irq.polarity, 2803 irq->irq.sharable); 2804 spic_dev.cur_irq = irq; 2805 break; 2806 } 2807 } 2808 if (!spic_dev.cur_irq) { 2809 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n"); 2810 result = -ENODEV; 2811 goto err_release_region; 2812 } 2813 2814 /* set resource status _SRS */ 2815 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2816 if (result) { 2817 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n"); 2818 goto err_free_irq; 2819 } 2820 2821 spic_dev.bluetooth_power = -1; 2822 /* create device attributes */ 2823 result = sony_pf_add(); 2824 if (result) 2825 goto err_disable_device; 2826 2827 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 2828 if (result) 2829 goto err_remove_pf; 2830 2831 return 0; 2832 2833 err_remove_pf: 2834 sony_pf_remove(); 2835 2836 err_disable_device: 2837 sony_pic_disable(device); 2838 2839 err_free_irq: 2840 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 2841 2842 err_release_region: 2843 release_region(spic_dev.cur_ioport->io1.minimum, 2844 spic_dev.cur_ioport->io1.address_length); 2845 if (spic_dev.cur_ioport->io2.minimum) 2846 release_region(spic_dev.cur_ioport->io2.minimum, 2847 spic_dev.cur_ioport->io2.address_length); 2848 2849 err_remove_compat: 2850 sonypi_compat_exit(); 2851 2852 err_remove_input: 2853 sony_laptop_remove_input(); 2854 2855 err_free_resources: 2856 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 2857 list_del(&io->list); 2858 kfree(io); 2859 } 2860 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 2861 list_del(&irq->list); 2862 kfree(irq); 2863 } 2864 spic_dev.cur_ioport = NULL; 2865 spic_dev.cur_irq = NULL; 2866 2867 return result; 2868 } 2869 2870 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state) 2871 { 2872 if (sony_pic_disable(device)) 2873 return -ENXIO; 2874 return 0; 2875 } 2876 2877 static int sony_pic_resume(struct acpi_device *device) 2878 { 2879 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 2880 return 0; 2881 } 2882 2883 static const struct acpi_device_id sony_pic_device_ids[] = { 2884 {SONY_PIC_HID, 0}, 2885 {"", 0}, 2886 }; 2887 2888 static struct acpi_driver sony_pic_driver = { 2889 .name = SONY_PIC_DRIVER_NAME, 2890 .class = SONY_PIC_CLASS, 2891 .ids = sony_pic_device_ids, 2892 .owner = THIS_MODULE, 2893 .ops = { 2894 .add = sony_pic_add, 2895 .remove = sony_pic_remove, 2896 .suspend = sony_pic_suspend, 2897 .resume = sony_pic_resume, 2898 }, 2899 }; 2900 2901 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 2902 { 2903 .ident = "Sony Vaio", 2904 .matches = { 2905 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2906 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 2907 }, 2908 }, 2909 { 2910 .ident = "Sony Vaio", 2911 .matches = { 2912 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 2913 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 2914 }, 2915 }, 2916 { } 2917 }; 2918 2919 static int __init sony_laptop_init(void) 2920 { 2921 int result; 2922 2923 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 2924 result = acpi_bus_register_driver(&sony_pic_driver); 2925 if (result) { 2926 printk(KERN_ERR DRV_PFX 2927 "Unable to register SPIC driver."); 2928 goto out; 2929 } 2930 spic_drv_registered = 1; 2931 } 2932 2933 result = acpi_bus_register_driver(&sony_nc_driver); 2934 if (result) { 2935 printk(KERN_ERR DRV_PFX "Unable to register SNC driver."); 2936 goto out_unregister_pic; 2937 } 2938 2939 return 0; 2940 2941 out_unregister_pic: 2942 if (spic_drv_registered) 2943 acpi_bus_unregister_driver(&sony_pic_driver); 2944 out: 2945 return result; 2946 } 2947 2948 static void __exit sony_laptop_exit(void) 2949 { 2950 acpi_bus_unregister_driver(&sony_nc_driver); 2951 if (spic_drv_registered) 2952 acpi_bus_unregister_driver(&sony_pic_driver); 2953 } 2954 2955 module_init(sony_laptop_init); 2956 module_exit(sony_laptop_exit); 2957