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 Alc��ve <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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 46 47#include <linux/kernel.h> 48#include <linux/module.h> 49#include <linux/moduleparam.h> 50#include <linux/init.h> 51#include <linux/types.h> 52#include <linux/backlight.h> 53#include <linux/platform_device.h> 54#include <linux/err.h> 55#include <linux/dmi.h> 56#include <linux/pci.h> 57#include <linux/interrupt.h> 58#include <linux/delay.h> 59#include <linux/input.h> 60#include <linux/kfifo.h> 61#include <linux/workqueue.h> 62#include <linux/acpi.h> 63#include <linux/slab.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#include <asm/uaccess.h> 72#include <acpi/video.h> 73 74#define dprintk(fmt, ...) \ 75do { \ 76 if (debug) \ 77 pr_warn(fmt, ##__VA_ARGS__); \ 78} while (0) 79 80#define SONY_NC_CLASS "sony-nc" 81#define SONY_NC_HID "SNY5001" 82#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 83 84#define SONY_PIC_CLASS "sony-pic" 85#define SONY_PIC_HID "SNY6001" 86#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 87 88MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 89MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 90MODULE_LICENSE("GPL"); 91 92static int debug; 93module_param(debug, int, 0); 94MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 95 "the development of this driver"); 96 97static int no_spic; /* = 0 */ 98module_param(no_spic, int, 0444); 99MODULE_PARM_DESC(no_spic, 100 "set this if you don't want to enable the SPIC device"); 101 102static int compat; /* = 0 */ 103module_param(compat, int, 0444); 104MODULE_PARM_DESC(compat, 105 "set this if you want to enable backward compatibility mode"); 106 107static unsigned long mask = 0xffffffff; 108module_param(mask, ulong, 0644); 109MODULE_PARM_DESC(mask, 110 "set this to the mask of event you want to enable (see doc)"); 111 112static int camera; /* = 0 */ 113module_param(camera, int, 0444); 114MODULE_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 119static int minor = -1; 120module_param(minor, int, 0); 121MODULE_PARM_DESC(minor, 122 "minor number of the misc device for the SPIC compatibility code, " 123 "default is -1 (automatic)"); 124#endif 125 126static int kbd_backlight = -1; 127module_param(kbd_backlight, int, 0444); 128MODULE_PARM_DESC(kbd_backlight, 129 "set this to 0 to disable keyboard backlight, " 130 "1 to enable it with automatic control and 2 to have it always " 131 "on (default: no change from current value)"); 132 133static int kbd_backlight_timeout = -1; 134module_param(kbd_backlight_timeout, int, 0444); 135MODULE_PARM_DESC(kbd_backlight_timeout, 136 "meaningful values vary from 0 to 3 and their meaning depends " 137 "on the model (default: no change from current value)"); 138 139#ifdef CONFIG_PM_SLEEP 140static void sony_nc_thermal_resume(void); 141#endif 142static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 143 unsigned int handle); 144static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 145 unsigned int handle); 146 147static int sony_nc_battery_care_setup(struct platform_device *pd, 148 unsigned int handle); 149static void sony_nc_battery_care_cleanup(struct platform_device *pd); 150 151static int sony_nc_thermal_setup(struct platform_device *pd); 152static void sony_nc_thermal_cleanup(struct platform_device *pd); 153 154static int sony_nc_lid_resume_setup(struct platform_device *pd, 155 unsigned int handle); 156static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 157 158static int sony_nc_gfx_switch_setup(struct platform_device *pd, 159 unsigned int handle); 160static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 161static int __sony_nc_gfx_switch_status_get(void); 162 163static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 164static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 165 166static int sony_nc_lowbatt_setup(struct platform_device *pd); 167static void sony_nc_lowbatt_cleanup(struct platform_device *pd); 168 169static int sony_nc_fanspeed_setup(struct platform_device *pd); 170static void sony_nc_fanspeed_cleanup(struct platform_device *pd); 171 172static int sony_nc_usb_charge_setup(struct platform_device *pd); 173static void sony_nc_usb_charge_cleanup(struct platform_device *pd); 174 175static int sony_nc_panelid_setup(struct platform_device *pd); 176static void sony_nc_panelid_cleanup(struct platform_device *pd); 177 178static int sony_nc_smart_conn_setup(struct platform_device *pd); 179static void sony_nc_smart_conn_cleanup(struct platform_device *pd); 180 181static int sony_nc_touchpad_setup(struct platform_device *pd, 182 unsigned int handle); 183static void sony_nc_touchpad_cleanup(struct platform_device *pd); 184 185enum sony_nc_rfkill { 186 SONY_WIFI, 187 SONY_BLUETOOTH, 188 SONY_WWAN, 189 SONY_WIMAX, 190 N_SONY_RFKILL, 191}; 192 193static int sony_rfkill_handle; 194static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 195static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 196static int sony_nc_rfkill_setup(struct acpi_device *device, 197 unsigned int handle); 198static void sony_nc_rfkill_cleanup(void); 199static void sony_nc_rfkill_update(void); 200 201/*********** Input Devices ***********/ 202 203#define SONY_LAPTOP_BUF_SIZE 128 204struct sony_laptop_input_s { 205 atomic_t users; 206 struct input_dev *jog_dev; 207 struct input_dev *key_dev; 208 struct kfifo fifo; 209 spinlock_t fifo_lock; 210 struct timer_list release_key_timer; 211}; 212 213static struct sony_laptop_input_s sony_laptop_input = { 214 .users = ATOMIC_INIT(0), 215}; 216 217struct sony_laptop_keypress { 218 struct input_dev *dev; 219 int key; 220}; 221 222/* Correspondance table between sonypi events 223 * and input layer indexes in the keymap 224 */ 225static int sony_laptop_input_index[] = { 226 -1, /* 0 no event */ 227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 250 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 251 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 252 19, /* 26 SONYPI_EVENT_FNKEY_D */ 253 20, /* 27 SONYPI_EVENT_FNKEY_E */ 254 21, /* 28 SONYPI_EVENT_FNKEY_F */ 255 22, /* 29 SONYPI_EVENT_FNKEY_S */ 256 23, /* 30 SONYPI_EVENT_FNKEY_B */ 257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 258 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 259 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 260 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 263 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 278 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 292 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 293 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 300}; 301 302static int sony_laptop_input_keycode_map[] = { 303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 363}; 364 365/* release buttons after a short delay if pressed */ 366static void do_sony_laptop_release_key(unsigned long unused) 367{ 368 struct sony_laptop_keypress kp; 369 unsigned long flags; 370 371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 372 373 if (kfifo_out(&sony_laptop_input.fifo, 374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 375 input_report_key(kp.dev, kp.key, 0); 376 input_sync(kp.dev); 377 } 378 379 /* If there is something in the fifo schedule next release. */ 380 if (kfifo_len(&sony_laptop_input.fifo) != 0) 381 mod_timer(&sony_laptop_input.release_key_timer, 382 jiffies + msecs_to_jiffies(10)); 383 384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 385} 386 387/* forward event to the input subsystem */ 388static void sony_laptop_report_input_event(u8 event) 389{ 390 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 391 struct input_dev *key_dev = sony_laptop_input.key_dev; 392 struct sony_laptop_keypress kp = { NULL }; 393 int scancode = -1; 394 395 if (event == SONYPI_EVENT_FNKEY_RELEASED || 396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 397 /* Nothing, not all VAIOs generate this event */ 398 return; 399 } 400 401 /* report events */ 402 switch (event) { 403 /* jog_dev events */ 404 case SONYPI_EVENT_JOGDIAL_UP: 405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 406 input_report_rel(jog_dev, REL_WHEEL, 1); 407 input_sync(jog_dev); 408 return; 409 410 case SONYPI_EVENT_JOGDIAL_DOWN: 411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 412 input_report_rel(jog_dev, REL_WHEEL, -1); 413 input_sync(jog_dev); 414 return; 415 416 /* key_dev events */ 417 case SONYPI_EVENT_JOGDIAL_PRESSED: 418 kp.key = BTN_MIDDLE; 419 kp.dev = jog_dev; 420 break; 421 422 default: 423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 425 break; 426 } 427 if ((scancode = sony_laptop_input_index[event]) != -1) { 428 kp.key = sony_laptop_input_keycode_map[scancode]; 429 if (kp.key != KEY_UNKNOWN) 430 kp.dev = key_dev; 431 } 432 break; 433 } 434 435 if (kp.dev) { 436 /* if we have a scancode we emit it so we can always 437 remap the key */ 438 if (scancode != -1) 439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 440 input_report_key(kp.dev, kp.key, 1); 441 input_sync(kp.dev); 442 443 /* schedule key release */ 444 kfifo_in_locked(&sony_laptop_input.fifo, 445 (unsigned char *)&kp, sizeof(kp), 446 &sony_laptop_input.fifo_lock); 447 mod_timer(&sony_laptop_input.release_key_timer, 448 jiffies + msecs_to_jiffies(10)); 449 } else 450 dprintk("unknown input event %.2x\n", event); 451} 452 453static int sony_laptop_setup_input(struct acpi_device *acpi_device) 454{ 455 struct input_dev *jog_dev; 456 struct input_dev *key_dev; 457 int i; 458 int error; 459 460 /* don't run again if already initialized */ 461 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 462 return 0; 463 464 /* kfifo */ 465 spin_lock_init(&sony_laptop_input.fifo_lock); 466 error = kfifo_alloc(&sony_laptop_input.fifo, 467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 468 if (error) { 469 pr_err("kfifo_alloc failed\n"); 470 goto err_dec_users; 471 } 472 473 setup_timer(&sony_laptop_input.release_key_timer, 474 do_sony_laptop_release_key, 0); 475 476 /* input keys */ 477 key_dev = input_allocate_device(); 478 if (!key_dev) { 479 error = -ENOMEM; 480 goto err_free_kfifo; 481 } 482 483 key_dev->name = "Sony Vaio Keys"; 484 key_dev->id.bustype = BUS_ISA; 485 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 486 key_dev->dev.parent = &acpi_device->dev; 487 488 /* Initialize the Input Drivers: special keys */ 489 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 490 491 __set_bit(EV_KEY, key_dev->evbit); 492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 494 key_dev->keycode = &sony_laptop_input_keycode_map; 495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 497 __clear_bit(KEY_RESERVED, key_dev->keybit); 498 499 error = input_register_device(key_dev); 500 if (error) 501 goto err_free_keydev; 502 503 sony_laptop_input.key_dev = key_dev; 504 505 /* jogdial */ 506 jog_dev = input_allocate_device(); 507 if (!jog_dev) { 508 error = -ENOMEM; 509 goto err_unregister_keydev; 510 } 511 512 jog_dev->name = "Sony Vaio Jogdial"; 513 jog_dev->id.bustype = BUS_ISA; 514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 515 jog_dev->dev.parent = &acpi_device->dev; 516 517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 518 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 519 520 error = input_register_device(jog_dev); 521 if (error) 522 goto err_free_jogdev; 523 524 sony_laptop_input.jog_dev = jog_dev; 525 526 return 0; 527 528err_free_jogdev: 529 input_free_device(jog_dev); 530 531err_unregister_keydev: 532 input_unregister_device(key_dev); 533 /* to avoid kref underflow below at input_free_device */ 534 key_dev = NULL; 535 536err_free_keydev: 537 input_free_device(key_dev); 538 539err_free_kfifo: 540 kfifo_free(&sony_laptop_input.fifo); 541 542err_dec_users: 543 atomic_dec(&sony_laptop_input.users); 544 return error; 545} 546 547static void sony_laptop_remove_input(void) 548{ 549 struct sony_laptop_keypress kp = { NULL }; 550 551 /* Cleanup only after the last user has gone */ 552 if (!atomic_dec_and_test(&sony_laptop_input.users)) 553 return; 554 555 del_timer_sync(&sony_laptop_input.release_key_timer); 556 557 /* 558 * Generate key-up events for remaining keys. Note that we don't 559 * need locking since nobody is adding new events to the kfifo. 560 */ 561 while (kfifo_out(&sony_laptop_input.fifo, 562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 563 input_report_key(kp.dev, kp.key, 0); 564 input_sync(kp.dev); 565 } 566 567 /* destroy input devs */ 568 input_unregister_device(sony_laptop_input.key_dev); 569 sony_laptop_input.key_dev = NULL; 570 571 if (sony_laptop_input.jog_dev) { 572 input_unregister_device(sony_laptop_input.jog_dev); 573 sony_laptop_input.jog_dev = NULL; 574 } 575 576 kfifo_free(&sony_laptop_input.fifo); 577} 578 579/*********** Platform Device ***********/ 580 581static atomic_t sony_pf_users = ATOMIC_INIT(0); 582static struct platform_driver sony_pf_driver = { 583 .driver = { 584 .name = "sony-laptop", 585 } 586}; 587static struct platform_device *sony_pf_device; 588 589static int sony_pf_add(void) 590{ 591 int ret = 0; 592 593 /* don't run again if already initialized */ 594 if (atomic_add_return(1, &sony_pf_users) > 1) 595 return 0; 596 597 ret = platform_driver_register(&sony_pf_driver); 598 if (ret) 599 goto out; 600 601 sony_pf_device = platform_device_alloc("sony-laptop", -1); 602 if (!sony_pf_device) { 603 ret = -ENOMEM; 604 goto out_platform_registered; 605 } 606 607 ret = platform_device_add(sony_pf_device); 608 if (ret) 609 goto out_platform_alloced; 610 611 return 0; 612 613 out_platform_alloced: 614 platform_device_put(sony_pf_device); 615 sony_pf_device = NULL; 616 out_platform_registered: 617 platform_driver_unregister(&sony_pf_driver); 618 out: 619 atomic_dec(&sony_pf_users); 620 return ret; 621} 622 623static void sony_pf_remove(void) 624{ 625 /* deregister only after the last user has gone */ 626 if (!atomic_dec_and_test(&sony_pf_users)) 627 return; 628 629 platform_device_unregister(sony_pf_device); 630 platform_driver_unregister(&sony_pf_driver); 631} 632 633/*********** SNC (SNY5001) Device ***********/ 634 635/* the device uses 1-based values, while the backlight subsystem uses 636 0-based values */ 637#define SONY_MAX_BRIGHTNESS 8 638 639#define SNC_VALIDATE_IN 0 640#define SNC_VALIDATE_OUT 1 641 642static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 643 char *); 644static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 645 const char *, size_t); 646static int boolean_validate(const int, const int); 647static int brightness_default_validate(const int, const int); 648 649struct sony_nc_value { 650 char *name; /* name of the entry */ 651 char **acpiget; /* names of the ACPI get function */ 652 char **acpiset; /* names of the ACPI set function */ 653 int (*validate)(const int, const int); /* input/output validation */ 654 int value; /* current setting */ 655 int valid; /* Has ever been set */ 656 int debug; /* active only in debug mode ? */ 657 struct device_attribute devattr; /* sysfs attribute */ 658}; 659 660#define SNC_HANDLE_NAMES(_name, _values...) \ 661 static char *snc_##_name[] = { _values, NULL } 662 663#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 664 { \ 665 .name = __stringify(_name), \ 666 .acpiget = _getters, \ 667 .acpiset = _setters, \ 668 .validate = _validate, \ 669 .debug = _debug, \ 670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 671 } 672 673#define SNC_HANDLE_NULL { .name = NULL } 674 675SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 676 677SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 678SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 679 680SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 681SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 682 683SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 684SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 685 686SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 687SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 688 689SNC_HANDLE_NAMES(lidstate_get, "GLID"); 690 691SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 692SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 693 694SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 695SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 696 697SNC_HANDLE_NAMES(PID_get, "GPID"); 698 699SNC_HANDLE_NAMES(CTR_get, "GCTR"); 700SNC_HANDLE_NAMES(CTR_set, "SCTR"); 701 702SNC_HANDLE_NAMES(PCR_get, "GPCR"); 703SNC_HANDLE_NAMES(PCR_set, "SPCR"); 704 705SNC_HANDLE_NAMES(CMI_get, "GCMI"); 706SNC_HANDLE_NAMES(CMI_set, "SCMI"); 707 708static struct sony_nc_value sony_nc_values[] = { 709 SNC_HANDLE(brightness_default, snc_brightness_def_get, 710 snc_brightness_def_set, brightness_default_validate, 0), 711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 714 boolean_validate, 0), 715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 716 boolean_validate, 1), 717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 718 boolean_validate, 0), 719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 720 boolean_validate, 0), 721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 722 boolean_validate, 0), 723 /* unknown methods */ 724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 728 SNC_HANDLE_NULL 729}; 730 731static acpi_handle sony_nc_acpi_handle; 732static struct acpi_device *sony_nc_acpi_device = NULL; 733 734/* 735 * acpi_evaluate_object wrappers 736 * all useful calls into SNC methods take one or zero parameters and return 737 * integers or arrays. 738 */ 739static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 740 u64 *value) 741{ 742 union acpi_object *result = NULL; 743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 744 acpi_status status; 745 746 if (value) { 747 struct acpi_object_list params; 748 union acpi_object in; 749 in.type = ACPI_TYPE_INTEGER; 750 in.integer.value = *value; 751 params.count = 1; 752 params.pointer = ∈ 753 status = acpi_evaluate_object(handle, method, ¶ms, &output); 754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 755 (unsigned int)(*value >> 32), 756 (unsigned int)*value & 0xffffffff); 757 } else { 758 status = acpi_evaluate_object(handle, method, NULL, &output); 759 dprintk("__call_snc_method: [%s]\n", method); 760 } 761 762 if (ACPI_FAILURE(status)) { 763 pr_err("Failed to evaluate [%s]\n", method); 764 return NULL; 765 } 766 767 result = (union acpi_object *) output.pointer; 768 if (!result) 769 dprintk("No return object [%s]\n", method); 770 771 return result; 772} 773 774static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 775 int *result) 776{ 777 union acpi_object *object = NULL; 778 if (value) { 779 u64 v = *value; 780 object = __call_snc_method(handle, name, &v); 781 } else 782 object = __call_snc_method(handle, name, NULL); 783 784 if (!object) 785 return -EINVAL; 786 787 if (object->type != ACPI_TYPE_INTEGER) { 788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 789 ACPI_TYPE_INTEGER, object->type); 790 kfree(object); 791 return -EINVAL; 792 } 793 794 if (result) 795 *result = object->integer.value; 796 797 kfree(object); 798 return 0; 799} 800 801#define MIN(a, b) (a > b ? b : a) 802static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 803 void *buffer, size_t buflen) 804{ 805 int ret = 0; 806 size_t len; 807 union acpi_object *object = __call_snc_method(handle, name, value); 808 809 if (!object) 810 return -EINVAL; 811 812 if (object->type == ACPI_TYPE_BUFFER) { 813 len = MIN(buflen, object->buffer.length); 814 memcpy(buffer, object->buffer.pointer, len); 815 816 } else if (object->type == ACPI_TYPE_INTEGER) { 817 len = MIN(buflen, sizeof(object->integer.value)); 818 memcpy(buffer, &object->integer.value, len); 819 820 } else { 821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 822 ACPI_TYPE_BUFFER, object->type); 823 ret = -EINVAL; 824 } 825 826 kfree(object); 827 return ret; 828} 829 830struct sony_nc_handles { 831 u16 cap[0x10]; 832 struct device_attribute devattr; 833}; 834 835static struct sony_nc_handles *handles; 836 837static ssize_t sony_nc_handles_show(struct device *dev, 838 struct device_attribute *attr, char *buffer) 839{ 840 ssize_t len = 0; 841 int i; 842 843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 845 handles->cap[i]); 846 } 847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 848 849 return len; 850} 851 852static int sony_nc_handles_setup(struct platform_device *pd) 853{ 854 int i, r, result, arg; 855 856 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 857 if (!handles) 858 return -ENOMEM; 859 860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 861 arg = i + 0x20; 862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 863 &result); 864 if (!r) { 865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 866 result, i); 867 handles->cap[i] = result; 868 } 869 } 870 871 if (debug) { 872 sysfs_attr_init(&handles->devattr.attr); 873 handles->devattr.attr.name = "handles"; 874 handles->devattr.attr.mode = S_IRUGO; 875 handles->devattr.show = sony_nc_handles_show; 876 877 /* allow reading capabilities via sysfs */ 878 if (device_create_file(&pd->dev, &handles->devattr)) { 879 kfree(handles); 880 handles = NULL; 881 return -1; 882 } 883 } 884 885 return 0; 886} 887 888static int sony_nc_handles_cleanup(struct platform_device *pd) 889{ 890 if (handles) { 891 if (debug) 892 device_remove_file(&pd->dev, &handles->devattr); 893 kfree(handles); 894 handles = NULL; 895 } 896 return 0; 897} 898 899static int sony_find_snc_handle(int handle) 900{ 901 int i; 902 903 /* not initialized yet, return early */ 904 if (!handles || !handle) 905 return -EINVAL; 906 907 for (i = 0; i < 0x10; i++) { 908 if (handles->cap[i] == handle) { 909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 910 handle, i); 911 return i; 912 } 913 } 914 dprintk("handle 0x%.4x not found\n", handle); 915 return -EINVAL; 916} 917 918static int sony_call_snc_handle(int handle, int argument, int *result) 919{ 920 int arg, ret = 0; 921 int offset = sony_find_snc_handle(handle); 922 923 if (offset < 0) 924 return offset; 925 926 arg = offset | argument; 927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 929 return ret; 930} 931 932/* 933 * sony_nc_values input/output validate functions 934 */ 935 936/* brightness_default_validate: 937 * 938 * manipulate input output values to keep consistency with the 939 * backlight framework for which brightness values are 0-based. 940 */ 941static int brightness_default_validate(const int direction, const int value) 942{ 943 switch (direction) { 944 case SNC_VALIDATE_OUT: 945 return value - 1; 946 case SNC_VALIDATE_IN: 947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 948 return value + 1; 949 } 950 return -EINVAL; 951} 952 953/* boolean_validate: 954 * 955 * on input validate boolean values 0/1, on output just pass the 956 * received value. 957 */ 958static int boolean_validate(const int direction, const int value) 959{ 960 if (direction == SNC_VALIDATE_IN) { 961 if (value != 0 && value != 1) 962 return -EINVAL; 963 } 964 return value; 965} 966 967/* 968 * Sysfs show/store common to all sony_nc_values 969 */ 970static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 971 char *buffer) 972{ 973 int value, ret = 0; 974 struct sony_nc_value *item = 975 container_of(attr, struct sony_nc_value, devattr); 976 977 if (!*item->acpiget) 978 return -EIO; 979 980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 981 &value); 982 if (ret < 0) 983 return -EIO; 984 985 if (item->validate) 986 value = item->validate(SNC_VALIDATE_OUT, value); 987 988 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 989} 990 991static ssize_t sony_nc_sysfs_store(struct device *dev, 992 struct device_attribute *attr, 993 const char *buffer, size_t count) 994{ 995 int value; 996 int ret = 0; 997 struct sony_nc_value *item = 998 container_of(attr, struct sony_nc_value, devattr); 999 1000 if (!item->acpiset) 1001 return -EIO; 1002 1003 if (count > 31) 1004 return -EINVAL; 1005 1006 if (kstrtoint(buffer, 10, &value)) 1007 return -EINVAL; 1008 1009 if (item->validate) 1010 value = item->validate(SNC_VALIDATE_IN, value); 1011 1012 if (value < 0) 1013 return value; 1014 1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1016 &value, NULL); 1017 if (ret < 0) 1018 return -EIO; 1019 1020 item->value = value; 1021 item->valid = 1; 1022 return count; 1023} 1024 1025 1026/* 1027 * Backlight device 1028 */ 1029struct sony_backlight_props { 1030 struct backlight_device *dev; 1031 int handle; 1032 int cmd_base; 1033 u8 offset; 1034 u8 maxlvl; 1035}; 1036static struct sony_backlight_props sony_bl_props; 1037 1038static int sony_backlight_update_status(struct backlight_device *bd) 1039{ 1040 int arg = bd->props.brightness + 1; 1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1042} 1043 1044static int sony_backlight_get_brightness(struct backlight_device *bd) 1045{ 1046 int value; 1047 1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1049 return 0; 1050 /* brightness levels are 1-based, while backlight ones are 0-based */ 1051 return value - 1; 1052} 1053 1054static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1055{ 1056 int result; 1057 struct sony_backlight_props *sdev = 1058 (struct sony_backlight_props *)bl_get_data(bd); 1059 1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1061 1062 return (result & 0xff) - sdev->offset; 1063} 1064 1065static int sony_nc_update_status_ng(struct backlight_device *bd) 1066{ 1067 int value, result; 1068 struct sony_backlight_props *sdev = 1069 (struct sony_backlight_props *)bl_get_data(bd); 1070 1071 value = bd->props.brightness + sdev->offset; 1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1073 &result)) 1074 return -EIO; 1075 1076 return value; 1077} 1078 1079static const struct backlight_ops sony_backlight_ops = { 1080 .options = BL_CORE_SUSPENDRESUME, 1081 .update_status = sony_backlight_update_status, 1082 .get_brightness = sony_backlight_get_brightness, 1083}; 1084static const struct backlight_ops sony_backlight_ng_ops = { 1085 .options = BL_CORE_SUSPENDRESUME, 1086 .update_status = sony_nc_update_status_ng, 1087 .get_brightness = sony_nc_get_brightness_ng, 1088}; 1089 1090/* 1091 * New SNC-only Vaios event mapping to driver known keys 1092 */ 1093struct sony_nc_event { 1094 u8 data; 1095 u8 event; 1096}; 1097 1098static struct sony_nc_event sony_100_events[] = { 1099 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1101 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1103 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1105 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1107 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1109 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1111 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1113 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1115 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1117 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1119 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1139 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1141 { 0, 0 }, 1142}; 1143 1144static struct sony_nc_event sony_127_events[] = { 1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1147 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1149 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1151 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1153 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1155 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1159 { 0, 0 }, 1160}; 1161 1162static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1163{ 1164 int ret = -EINVAL; 1165 unsigned int result = 0; 1166 struct sony_nc_event *key_event; 1167 1168 if (sony_call_snc_handle(handle, 0x200, &result)) { 1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1170 event); 1171 return -EINVAL; 1172 } 1173 1174 result &= 0xFF; 1175 1176 if (handle == 0x0100) 1177 key_event = sony_100_events; 1178 else 1179 key_event = sony_127_events; 1180 1181 for (; key_event->data; key_event++) { 1182 if (key_event->data == result) { 1183 ret = key_event->event; 1184 break; 1185 } 1186 } 1187 1188 if (!key_event->data) 1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1190 event, result, handle); 1191 1192 return ret; 1193} 1194 1195/* 1196 * ACPI callbacks 1197 */ 1198enum event_types { 1199 HOTKEY = 1, 1200 KILLSWITCH, 1201 GFX_SWITCH 1202}; 1203static void sony_nc_notify(struct acpi_device *device, u32 event) 1204{ 1205 u32 real_ev = event; 1206 u8 ev_type = 0; 1207 int ret; 1208 1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1210 1211 if (event >= 0x90) { 1212 unsigned int result = 0; 1213 unsigned int arg = 0; 1214 unsigned int handle = 0; 1215 unsigned int offset = event - 0x90; 1216 1217 if (offset >= ARRAY_SIZE(handles->cap)) { 1218 pr_err("Event 0x%x outside of capabilities list\n", 1219 event); 1220 return; 1221 } 1222 handle = handles->cap[offset]; 1223 1224 /* list of handles known for generating events */ 1225 switch (handle) { 1226 /* hotkey event */ 1227 case 0x0100: 1228 case 0x0127: 1229 ev_type = HOTKEY; 1230 ret = sony_nc_hotkeys_decode(event, handle); 1231 1232 if (ret > 0) { 1233 sony_laptop_report_input_event(ret); 1234 real_ev = ret; 1235 } 1236 1237 break; 1238 1239 /* wlan switch */ 1240 case 0x0124: 1241 case 0x0135: 1242 /* events on this handle are reported when the 1243 * switch changes position or for battery 1244 * events. We'll notify both of them but only 1245 * update the rfkill device status when the 1246 * switch is moved. 1247 */ 1248 ev_type = KILLSWITCH; 1249 sony_call_snc_handle(handle, 0x0100, &result); 1250 real_ev = result & 0x03; 1251 1252 /* hw switch event */ 1253 if (real_ev == 1) 1254 sony_nc_rfkill_update(); 1255 1256 break; 1257 1258 case 0x0128: 1259 case 0x0146: 1260 /* Hybrid GFX switching */ 1261 sony_call_snc_handle(handle, 0x0000, &result); 1262 dprintk("GFX switch event received (reason: %s)\n", 1263 (result == 0x1) ? "switch change" : 1264 (result == 0x2) ? "output switch" : 1265 (result == 0x3) ? "output switch" : 1266 ""); 1267 1268 ev_type = GFX_SWITCH; 1269 real_ev = __sony_nc_gfx_switch_status_get(); 1270 break; 1271 1272 case 0x015B: 1273 /* Hybrid GFX switching SVS151290S */ 1274 ev_type = GFX_SWITCH; 1275 real_ev = __sony_nc_gfx_switch_status_get(); 1276 break; 1277 default: 1278 dprintk("Unknown event 0x%x for handle 0x%x\n", 1279 event, handle); 1280 break; 1281 } 1282 1283 /* clear the event (and the event reason when present) */ 1284 arg = 1 << offset; 1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1286 1287 } else { 1288 /* old style event */ 1289 ev_type = HOTKEY; 1290 sony_laptop_report_input_event(real_ev); 1291 } 1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1294} 1295 1296static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1297 void *context, void **return_value) 1298{ 1299 struct acpi_device_info *info; 1300 1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1302 pr_warn("method: name: %4.4s, args %X\n", 1303 (char *)&info->name, info->param_count); 1304 1305 kfree(info); 1306 } 1307 1308 return AE_OK; 1309} 1310 1311/* 1312 * ACPI device 1313 */ 1314static void sony_nc_function_setup(struct acpi_device *device, 1315 struct platform_device *pf_device) 1316{ 1317 unsigned int i, result, bitmask, arg; 1318 1319 if (!handles) 1320 return; 1321 1322 /* setup found handles here */ 1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1324 unsigned int handle = handles->cap[i]; 1325 1326 if (!handle) 1327 continue; 1328 1329 dprintk("setting up handle 0x%.4x\n", handle); 1330 1331 switch (handle) { 1332 case 0x0100: 1333 case 0x0101: 1334 case 0x0127: 1335 /* setup hotkeys */ 1336 sony_call_snc_handle(handle, 0, &result); 1337 break; 1338 case 0x0102: 1339 /* setup hotkeys */ 1340 sony_call_snc_handle(handle, 0x100, &result); 1341 break; 1342 case 0x0105: 1343 case 0x0148: 1344 /* touchpad enable/disable */ 1345 result = sony_nc_touchpad_setup(pf_device, handle); 1346 if (result) 1347 pr_err("couldn't set up touchpad control function (%d)\n", 1348 result); 1349 break; 1350 case 0x0115: 1351 case 0x0136: 1352 case 0x013f: 1353 result = sony_nc_battery_care_setup(pf_device, handle); 1354 if (result) 1355 pr_err("couldn't set up battery care function (%d)\n", 1356 result); 1357 break; 1358 case 0x0119: 1359 case 0x015D: 1360 result = sony_nc_lid_resume_setup(pf_device, handle); 1361 if (result) 1362 pr_err("couldn't set up lid resume function (%d)\n", 1363 result); 1364 break; 1365 case 0x0122: 1366 result = sony_nc_thermal_setup(pf_device); 1367 if (result) 1368 pr_err("couldn't set up thermal profile function (%d)\n", 1369 result); 1370 break; 1371 case 0x0128: 1372 case 0x0146: 1373 case 0x015B: 1374 result = sony_nc_gfx_switch_setup(pf_device, handle); 1375 if (result) 1376 pr_err("couldn't set up GFX Switch status (%d)\n", 1377 result); 1378 break; 1379 case 0x0131: 1380 result = sony_nc_highspeed_charging_setup(pf_device); 1381 if (result) 1382 pr_err("couldn't set up high speed charging function (%d)\n", 1383 result); 1384 break; 1385 case 0x0124: 1386 case 0x0135: 1387 result = sony_nc_rfkill_setup(device, handle); 1388 if (result) 1389 pr_err("couldn't set up rfkill support (%d)\n", 1390 result); 1391 break; 1392 case 0x0137: 1393 case 0x0143: 1394 case 0x014b: 1395 case 0x014c: 1396 case 0x0163: 1397 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1398 if (result) 1399 pr_err("couldn't set up keyboard backlight function (%d)\n", 1400 result); 1401 break; 1402 case 0x0121: 1403 result = sony_nc_lowbatt_setup(pf_device); 1404 if (result) 1405 pr_err("couldn't set up low battery function (%d)\n", 1406 result); 1407 break; 1408 case 0x0149: 1409 result = sony_nc_fanspeed_setup(pf_device); 1410 if (result) 1411 pr_err("couldn't set up fan speed function (%d)\n", 1412 result); 1413 break; 1414 case 0x0155: 1415 result = sony_nc_usb_charge_setup(pf_device); 1416 if (result) 1417 pr_err("couldn't set up USB charge support (%d)\n", 1418 result); 1419 break; 1420 case 0x011D: 1421 result = sony_nc_panelid_setup(pf_device); 1422 if (result) 1423 pr_err("couldn't set up panel ID function (%d)\n", 1424 result); 1425 break; 1426 case 0x0168: 1427 result = sony_nc_smart_conn_setup(pf_device); 1428 if (result) 1429 pr_err("couldn't set up smart connect support (%d)\n", 1430 result); 1431 break; 1432 default: 1433 continue; 1434 } 1435 } 1436 1437 /* Enable all events */ 1438 arg = 0x10; 1439 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1440 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1441 &result); 1442} 1443 1444static void sony_nc_function_cleanup(struct platform_device *pd) 1445{ 1446 unsigned int i, result, bitmask, handle; 1447 1448 /* get enabled events and disable them */ 1449 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1450 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1451 1452 /* cleanup handles here */ 1453 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1454 1455 handle = handles->cap[i]; 1456 1457 if (!handle) 1458 continue; 1459 1460 switch (handle) { 1461 case 0x0105: 1462 case 0x0148: 1463 sony_nc_touchpad_cleanup(pd); 1464 break; 1465 case 0x0115: 1466 case 0x0136: 1467 case 0x013f: 1468 sony_nc_battery_care_cleanup(pd); 1469 break; 1470 case 0x0119: 1471 case 0x015D: 1472 sony_nc_lid_resume_cleanup(pd); 1473 break; 1474 case 0x0122: 1475 sony_nc_thermal_cleanup(pd); 1476 break; 1477 case 0x0128: 1478 case 0x0146: 1479 case 0x015B: 1480 sony_nc_gfx_switch_cleanup(pd); 1481 break; 1482 case 0x0131: 1483 sony_nc_highspeed_charging_cleanup(pd); 1484 break; 1485 case 0x0124: 1486 case 0x0135: 1487 sony_nc_rfkill_cleanup(); 1488 break; 1489 case 0x0137: 1490 case 0x0143: 1491 case 0x014b: 1492 case 0x014c: 1493 case 0x0163: 1494 sony_nc_kbd_backlight_cleanup(pd, handle); 1495 break; 1496 case 0x0121: 1497 sony_nc_lowbatt_cleanup(pd); 1498 break; 1499 case 0x0149: 1500 sony_nc_fanspeed_cleanup(pd); 1501 break; 1502 case 0x0155: 1503 sony_nc_usb_charge_cleanup(pd); 1504 break; 1505 case 0x011D: 1506 sony_nc_panelid_cleanup(pd); 1507 break; 1508 case 0x0168: 1509 sony_nc_smart_conn_cleanup(pd); 1510 break; 1511 default: 1512 continue; 1513 } 1514 } 1515 1516 /* finally cleanup the handles list */ 1517 sony_nc_handles_cleanup(pd); 1518} 1519 1520#ifdef CONFIG_PM_SLEEP 1521static void sony_nc_function_resume(void) 1522{ 1523 unsigned int i, result, bitmask, arg; 1524 1525 dprintk("Resuming SNC device\n"); 1526 1527 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1528 unsigned int handle = handles->cap[i]; 1529 1530 if (!handle) 1531 continue; 1532 1533 switch (handle) { 1534 case 0x0100: 1535 case 0x0101: 1536 case 0x0127: 1537 /* re-enable hotkeys */ 1538 sony_call_snc_handle(handle, 0, &result); 1539 break; 1540 case 0x0102: 1541 /* re-enable hotkeys */ 1542 sony_call_snc_handle(handle, 0x100, &result); 1543 break; 1544 case 0x0122: 1545 sony_nc_thermal_resume(); 1546 break; 1547 case 0x0124: 1548 case 0x0135: 1549 sony_nc_rfkill_update(); 1550 break; 1551 default: 1552 continue; 1553 } 1554 } 1555 1556 /* Enable all events */ 1557 arg = 0x10; 1558 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1559 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1560 &result); 1561} 1562 1563static int sony_nc_resume(struct device *dev) 1564{ 1565 struct sony_nc_value *item; 1566 1567 for (item = sony_nc_values; item->name; item++) { 1568 int ret; 1569 1570 if (!item->valid) 1571 continue; 1572 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1573 &item->value, NULL); 1574 if (ret < 0) { 1575 pr_err("%s: %d\n", __func__, ret); 1576 break; 1577 } 1578 } 1579 1580 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1581 int arg = 1; 1582 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1583 dprintk("ECON Method failed\n"); 1584 } 1585 1586 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1587 sony_nc_function_resume(); 1588 1589 return 0; 1590} 1591#endif 1592 1593static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1594 1595static void sony_nc_rfkill_cleanup(void) 1596{ 1597 int i; 1598 1599 for (i = 0; i < N_SONY_RFKILL; i++) { 1600 if (sony_rfkill_devices[i]) { 1601 rfkill_unregister(sony_rfkill_devices[i]); 1602 rfkill_destroy(sony_rfkill_devices[i]); 1603 } 1604 } 1605} 1606 1607static int sony_nc_rfkill_set(void *data, bool blocked) 1608{ 1609 int result; 1610 int argument = sony_rfkill_address[(long) data] + 0x100; 1611 1612 if (!blocked) 1613 argument |= 0x070000; 1614 1615 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1616} 1617 1618static const struct rfkill_ops sony_rfkill_ops = { 1619 .set_block = sony_nc_rfkill_set, 1620}; 1621 1622static int sony_nc_setup_rfkill(struct acpi_device *device, 1623 enum sony_nc_rfkill nc_type) 1624{ 1625 int err = 0; 1626 struct rfkill *rfk; 1627 enum rfkill_type type; 1628 const char *name; 1629 int result; 1630 bool hwblock, swblock; 1631 1632 switch (nc_type) { 1633 case SONY_WIFI: 1634 type = RFKILL_TYPE_WLAN; 1635 name = "sony-wifi"; 1636 break; 1637 case SONY_BLUETOOTH: 1638 type = RFKILL_TYPE_BLUETOOTH; 1639 name = "sony-bluetooth"; 1640 break; 1641 case SONY_WWAN: 1642 type = RFKILL_TYPE_WWAN; 1643 name = "sony-wwan"; 1644 break; 1645 case SONY_WIMAX: 1646 type = RFKILL_TYPE_WIMAX; 1647 name = "sony-wimax"; 1648 break; 1649 default: 1650 return -EINVAL; 1651 } 1652 1653 rfk = rfkill_alloc(name, &device->dev, type, 1654 &sony_rfkill_ops, (void *)nc_type); 1655 if (!rfk) 1656 return -ENOMEM; 1657 1658 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1659 rfkill_destroy(rfk); 1660 return -1; 1661 } 1662 hwblock = !(result & 0x1); 1663 1664 if (sony_call_snc_handle(sony_rfkill_handle, 1665 sony_rfkill_address[nc_type], 1666 &result) < 0) { 1667 rfkill_destroy(rfk); 1668 return -1; 1669 } 1670 swblock = !(result & 0x2); 1671 1672 rfkill_init_sw_state(rfk, swblock); 1673 rfkill_set_hw_state(rfk, hwblock); 1674 1675 err = rfkill_register(rfk); 1676 if (err) { 1677 rfkill_destroy(rfk); 1678 return err; 1679 } 1680 sony_rfkill_devices[nc_type] = rfk; 1681 return err; 1682} 1683 1684static void sony_nc_rfkill_update(void) 1685{ 1686 enum sony_nc_rfkill i; 1687 int result; 1688 bool hwblock; 1689 1690 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1691 hwblock = !(result & 0x1); 1692 1693 for (i = 0; i < N_SONY_RFKILL; i++) { 1694 int argument = sony_rfkill_address[i]; 1695 1696 if (!sony_rfkill_devices[i]) 1697 continue; 1698 1699 if (hwblock) { 1700 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1701 /* we already know we're blocked */ 1702 } 1703 continue; 1704 } 1705 1706 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1707 rfkill_set_states(sony_rfkill_devices[i], 1708 !(result & 0x2), false); 1709 } 1710} 1711 1712static int sony_nc_rfkill_setup(struct acpi_device *device, 1713 unsigned int handle) 1714{ 1715 u64 offset; 1716 int i; 1717 unsigned char buffer[32] = { 0 }; 1718 1719 offset = sony_find_snc_handle(handle); 1720 sony_rfkill_handle = handle; 1721 1722 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1723 32); 1724 if (i < 0) 1725 return i; 1726 1727 /* The buffer is filled with magic numbers describing the devices 1728 * available, 0xff terminates the enumeration. 1729 * Known codes: 1730 * 0x00 WLAN 1731 * 0x10 BLUETOOTH 1732 * 0x20 WWAN GPRS-EDGE 1733 * 0x21 WWAN HSDPA 1734 * 0x22 WWAN EV-DO 1735 * 0x23 WWAN GPS 1736 * 0x25 Gobi WWAN no GPS 1737 * 0x26 Gobi WWAN + GPS 1738 * 0x28 Gobi WWAN no GPS 1739 * 0x29 Gobi WWAN + GPS 1740 * 0x30 WIMAX 1741 * 0x50 Gobi WWAN no GPS 1742 * 0x51 Gobi WWAN + GPS 1743 * 0x70 no SIM card slot 1744 * 0x71 SIM card slot 1745 */ 1746 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1747 1748 if (buffer[i] == 0xff) 1749 break; 1750 1751 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1752 1753 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1754 sony_nc_setup_rfkill(device, SONY_WIFI); 1755 1756 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1757 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1758 1759 if (((0xf0 & buffer[i]) == 0x20 || 1760 (0xf0 & buffer[i]) == 0x50) && 1761 !sony_rfkill_devices[SONY_WWAN]) 1762 sony_nc_setup_rfkill(device, SONY_WWAN); 1763 1764 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1765 sony_nc_setup_rfkill(device, SONY_WIMAX); 1766 } 1767 return 0; 1768} 1769 1770/* Keyboard backlight feature */ 1771struct kbd_backlight { 1772 unsigned int handle; 1773 unsigned int base; 1774 unsigned int mode; 1775 unsigned int timeout; 1776 struct device_attribute mode_attr; 1777 struct device_attribute timeout_attr; 1778}; 1779 1780static struct kbd_backlight *kbdbl_ctl; 1781 1782static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1783{ 1784 int result; 1785 1786 if (value > 2) 1787 return -EINVAL; 1788 1789 if (sony_call_snc_handle(kbdbl_ctl->handle, 1790 (value << 0x10) | (kbdbl_ctl->base), &result)) 1791 return -EIO; 1792 1793 /* Try to turn the light on/off immediately */ 1794 if (value != 1) 1795 sony_call_snc_handle(kbdbl_ctl->handle, 1796 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1797 &result); 1798 1799 kbdbl_ctl->mode = value; 1800 1801 return 0; 1802} 1803 1804static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1805 struct device_attribute *attr, 1806 const char *buffer, size_t count) 1807{ 1808 int ret = 0; 1809 unsigned long value; 1810 1811 if (count > 31) 1812 return -EINVAL; 1813 1814 if (kstrtoul(buffer, 10, &value)) 1815 return -EINVAL; 1816 1817 ret = __sony_nc_kbd_backlight_mode_set(value); 1818 if (ret < 0) 1819 return ret; 1820 1821 return count; 1822} 1823 1824static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1825 struct device_attribute *attr, char *buffer) 1826{ 1827 ssize_t count = 0; 1828 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1829 return count; 1830} 1831 1832static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1833{ 1834 int result; 1835 1836 if (value > 3) 1837 return -EINVAL; 1838 1839 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1840 (kbdbl_ctl->base + 0x200), &result)) 1841 return -EIO; 1842 1843 kbdbl_ctl->timeout = value; 1844 1845 return 0; 1846} 1847 1848static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1849 struct device_attribute *attr, 1850 const char *buffer, size_t count) 1851{ 1852 int ret = 0; 1853 unsigned long value; 1854 1855 if (count > 31) 1856 return -EINVAL; 1857 1858 if (kstrtoul(buffer, 10, &value)) 1859 return -EINVAL; 1860 1861 ret = __sony_nc_kbd_backlight_timeout_set(value); 1862 if (ret < 0) 1863 return ret; 1864 1865 return count; 1866} 1867 1868static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1869 struct device_attribute *attr, char *buffer) 1870{ 1871 ssize_t count = 0; 1872 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1873 return count; 1874} 1875 1876static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1877 unsigned int handle) 1878{ 1879 int result; 1880 int ret = 0; 1881 1882 if (kbdbl_ctl) { 1883 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1884 handle, kbdbl_ctl->handle); 1885 return -EBUSY; 1886 } 1887 1888 /* verify the kbd backlight presence, these handles are not used for 1889 * keyboard backlight only 1890 */ 1891 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1892 &result); 1893 if (ret) 1894 return ret; 1895 1896 if ((handle == 0x0137 && !(result & 0x02)) || 1897 !(result & 0x01)) { 1898 dprintk("no backlight keyboard found\n"); 1899 return 0; 1900 } 1901 1902 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1903 if (!kbdbl_ctl) 1904 return -ENOMEM; 1905 1906 kbdbl_ctl->mode = kbd_backlight; 1907 kbdbl_ctl->timeout = kbd_backlight_timeout; 1908 kbdbl_ctl->handle = handle; 1909 if (handle == 0x0137) 1910 kbdbl_ctl->base = 0x0C00; 1911 else 1912 kbdbl_ctl->base = 0x4000; 1913 1914 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1915 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1916 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1917 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1918 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1919 1920 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1921 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1922 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1923 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1924 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1925 1926 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1927 if (ret) 1928 goto outkzalloc; 1929 1930 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1931 if (ret) 1932 goto outmode; 1933 1934 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1935 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1936 1937 return 0; 1938 1939outmode: 1940 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1941outkzalloc: 1942 kfree(kbdbl_ctl); 1943 kbdbl_ctl = NULL; 1944 return ret; 1945} 1946 1947static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1948 unsigned int handle) 1949{ 1950 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1951 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1952 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1953 kfree(kbdbl_ctl); 1954 kbdbl_ctl = NULL; 1955 } 1956} 1957 1958struct battery_care_control { 1959 struct device_attribute attrs[2]; 1960 unsigned int handle; 1961}; 1962static struct battery_care_control *bcare_ctl; 1963 1964static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1965 struct device_attribute *attr, 1966 const char *buffer, size_t count) 1967{ 1968 unsigned int result, cmd; 1969 unsigned long value; 1970 1971 if (count > 31) 1972 return -EINVAL; 1973 1974 if (kstrtoul(buffer, 10, &value)) 1975 return -EINVAL; 1976 1977 /* limit values (2 bits): 1978 * 00 - none 1979 * 01 - 80% 1980 * 10 - 50% 1981 * 11 - 100% 1982 * 1983 * bit 0: 0 disable BCL, 1 enable BCL 1984 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1985 * bits 2,3: reserved 1986 * bits 4,5: store the limit into the EC 1987 * bits 6,7: store the limit into the battery 1988 */ 1989 cmd = 0; 1990 1991 if (value > 0) { 1992 if (value <= 50) 1993 cmd = 0x20; 1994 1995 else if (value <= 80) 1996 cmd = 0x10; 1997 1998 else if (value <= 100) 1999 cmd = 0x30; 2000 2001 else 2002 return -EINVAL; 2003 2004 /* 2005 * handle 0x0115 should allow storing on battery too; 2006 * handle 0x0136 same as 0x0115 + health status; 2007 * handle 0x013f, same as 0x0136 but no storing on the battery 2008 */ 2009 if (bcare_ctl->handle != 0x013f) 2010 cmd = cmd | (cmd << 2); 2011 2012 cmd = (cmd | 0x1) << 0x10; 2013 } 2014 2015 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2016 return -EIO; 2017 2018 return count; 2019} 2020 2021static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2022 struct device_attribute *attr, char *buffer) 2023{ 2024 unsigned int result, status; 2025 2026 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2027 return -EIO; 2028 2029 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2030 switch (status) { 2031 case 1: 2032 status = 80; 2033 break; 2034 case 2: 2035 status = 50; 2036 break; 2037 case 3: 2038 status = 100; 2039 break; 2040 default: 2041 status = 0; 2042 break; 2043 } 2044 2045 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2046} 2047 2048static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2049 struct device_attribute *attr, char *buffer) 2050{ 2051 ssize_t count = 0; 2052 unsigned int health; 2053 2054 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2055 return -EIO; 2056 2057 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2058 2059 return count; 2060} 2061 2062static int sony_nc_battery_care_setup(struct platform_device *pd, 2063 unsigned int handle) 2064{ 2065 int ret = 0; 2066 2067 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2068 if (!bcare_ctl) 2069 return -ENOMEM; 2070 2071 bcare_ctl->handle = handle; 2072 2073 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2074 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2075 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2076 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2077 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2078 2079 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2080 if (ret) 2081 goto outkzalloc; 2082 2083 /* 0x0115 is for models with no health reporting capability */ 2084 if (handle == 0x0115) 2085 return 0; 2086 2087 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2088 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2089 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2090 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2091 2092 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2093 if (ret) 2094 goto outlimiter; 2095 2096 return 0; 2097 2098outlimiter: 2099 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2100 2101outkzalloc: 2102 kfree(bcare_ctl); 2103 bcare_ctl = NULL; 2104 2105 return ret; 2106} 2107 2108static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2109{ 2110 if (bcare_ctl) { 2111 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2112 if (bcare_ctl->handle != 0x0115) 2113 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2114 2115 kfree(bcare_ctl); 2116 bcare_ctl = NULL; 2117 } 2118} 2119 2120struct snc_thermal_ctrl { 2121 unsigned int mode; 2122 unsigned int profiles; 2123 struct device_attribute mode_attr; 2124 struct device_attribute profiles_attr; 2125}; 2126static struct snc_thermal_ctrl *th_handle; 2127 2128#define THM_PROFILE_MAX 3 2129static const char * const snc_thermal_profiles[] = { 2130 "balanced", 2131 "silent", 2132 "performance" 2133}; 2134 2135static int sony_nc_thermal_mode_set(unsigned short mode) 2136{ 2137 unsigned int result; 2138 2139 /* the thermal profile seems to be a two bit bitmask: 2140 * lsb -> silent 2141 * msb -> performance 2142 * no bit set is the normal operation and is always valid 2143 * Some vaio models only have "balanced" and "performance" 2144 */ 2145 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2146 return -EINVAL; 2147 2148 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2149 return -EIO; 2150 2151 th_handle->mode = mode; 2152 2153 return 0; 2154} 2155 2156static int sony_nc_thermal_mode_get(void) 2157{ 2158 unsigned int result; 2159 2160 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2161 return -EIO; 2162 2163 return result & 0xff; 2164} 2165 2166static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2167 struct device_attribute *attr, char *buffer) 2168{ 2169 short cnt; 2170 size_t idx = 0; 2171 2172 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2173 if (!cnt || (th_handle->profiles & cnt)) 2174 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2175 snc_thermal_profiles[cnt]); 2176 } 2177 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2178 2179 return idx; 2180} 2181 2182static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2183 struct device_attribute *attr, 2184 const char *buffer, size_t count) 2185{ 2186 unsigned short cmd; 2187 size_t len = count; 2188 2189 if (count == 0) 2190 return -EINVAL; 2191 2192 /* skip the newline if present */ 2193 if (buffer[len - 1] == '\n') 2194 len--; 2195 2196 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2197 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2198 break; 2199 2200 if (sony_nc_thermal_mode_set(cmd)) 2201 return -EIO; 2202 2203 return count; 2204} 2205 2206static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2207 struct device_attribute *attr, char *buffer) 2208{ 2209 ssize_t count = 0; 2210 int mode = sony_nc_thermal_mode_get(); 2211 2212 if (mode < 0) 2213 return mode; 2214 2215 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2216 2217 return count; 2218} 2219 2220static int sony_nc_thermal_setup(struct platform_device *pd) 2221{ 2222 int ret = 0; 2223 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2224 if (!th_handle) 2225 return -ENOMEM; 2226 2227 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2228 if (ret) { 2229 pr_warn("couldn't to read the thermal profiles\n"); 2230 goto outkzalloc; 2231 } 2232 2233 ret = sony_nc_thermal_mode_get(); 2234 if (ret < 0) { 2235 pr_warn("couldn't to read the current thermal profile"); 2236 goto outkzalloc; 2237 } 2238 th_handle->mode = ret; 2239 2240 sysfs_attr_init(&th_handle->profiles_attr.attr); 2241 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2242 th_handle->profiles_attr.attr.mode = S_IRUGO; 2243 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2244 2245 sysfs_attr_init(&th_handle->mode_attr.attr); 2246 th_handle->mode_attr.attr.name = "thermal_control"; 2247 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2248 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2249 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2250 2251 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2252 if (ret) 2253 goto outkzalloc; 2254 2255 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2256 if (ret) 2257 goto outprofiles; 2258 2259 return 0; 2260 2261outprofiles: 2262 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2263outkzalloc: 2264 kfree(th_handle); 2265 th_handle = NULL; 2266 return ret; 2267} 2268 2269static void sony_nc_thermal_cleanup(struct platform_device *pd) 2270{ 2271 if (th_handle) { 2272 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2273 device_remove_file(&pd->dev, &th_handle->mode_attr); 2274 kfree(th_handle); 2275 th_handle = NULL; 2276 } 2277} 2278 2279#ifdef CONFIG_PM_SLEEP 2280static void sony_nc_thermal_resume(void) 2281{ 2282 unsigned int status = sony_nc_thermal_mode_get(); 2283 2284 if (status != th_handle->mode) 2285 sony_nc_thermal_mode_set(th_handle->mode); 2286} 2287#endif 2288 2289/* resume on LID open */ 2290#define LID_RESUME_S5 0 2291#define LID_RESUME_S4 1 2292#define LID_RESUME_S3 2 2293#define LID_RESUME_MAX 3 2294struct snc_lid_resume_control { 2295 struct device_attribute attrs[LID_RESUME_MAX]; 2296 unsigned int status; 2297 int handle; 2298}; 2299static struct snc_lid_resume_control *lid_ctl; 2300 2301static ssize_t sony_nc_lid_resume_store(struct device *dev, 2302 struct device_attribute *attr, 2303 const char *buffer, size_t count) 2304{ 2305 unsigned int result; 2306 unsigned long value; 2307 unsigned int pos = LID_RESUME_S5; 2308 if (count > 31) 2309 return -EINVAL; 2310 2311 if (kstrtoul(buffer, 10, &value) || value > 1) 2312 return -EINVAL; 2313 2314 /* the value we have to write to SNC is a bitmask: 2315 * +--------------+ 2316 * | S3 | S4 | S5 | 2317 * +--------------+ 2318 * 2 1 0 2319 */ 2320 while (pos < LID_RESUME_MAX) { 2321 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2322 break; 2323 pos++; 2324 } 2325 if (pos == LID_RESUME_MAX) 2326 return -EINVAL; 2327 2328 if (value) 2329 value = lid_ctl->status | (1 << pos); 2330 else 2331 value = lid_ctl->status & ~(1 << pos); 2332 2333 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2334 &result)) 2335 return -EIO; 2336 2337 lid_ctl->status = value; 2338 2339 return count; 2340} 2341 2342static ssize_t sony_nc_lid_resume_show(struct device *dev, 2343 struct device_attribute *attr, 2344 char *buffer) 2345{ 2346 unsigned int pos = LID_RESUME_S5; 2347 2348 while (pos < LID_RESUME_MAX) { 2349 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2350 return snprintf(buffer, PAGE_SIZE, "%d\n", 2351 (lid_ctl->status >> pos) & 0x01); 2352 pos++; 2353 } 2354 return -EINVAL; 2355} 2356 2357static int sony_nc_lid_resume_setup(struct platform_device *pd, 2358 unsigned int handle) 2359{ 2360 unsigned int result; 2361 int i; 2362 2363 if (sony_call_snc_handle(handle, 0x0000, &result)) 2364 return -EIO; 2365 2366 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2367 if (!lid_ctl) 2368 return -ENOMEM; 2369 2370 lid_ctl->status = result & 0x7; 2371 lid_ctl->handle = handle; 2372 2373 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2374 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2375 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2376 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2377 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2378 2379 if (handle == 0x0119) { 2380 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2381 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2382 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2383 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2384 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2385 2386 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2387 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2388 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2389 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2390 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2391 } 2392 for (i = 0; i < LID_RESUME_MAX && 2393 lid_ctl->attrs[i].attr.name; i++) { 2394 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2395 if (result) 2396 goto liderror; 2397 } 2398 2399 return 0; 2400 2401liderror: 2402 for (i--; i >= 0; i--) 2403 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2404 2405 kfree(lid_ctl); 2406 lid_ctl = NULL; 2407 2408 return result; 2409} 2410 2411static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2412{ 2413 int i; 2414 2415 if (lid_ctl) { 2416 for (i = 0; i < LID_RESUME_MAX; i++) { 2417 if (!lid_ctl->attrs[i].attr.name) 2418 break; 2419 2420 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2421 } 2422 2423 kfree(lid_ctl); 2424 lid_ctl = NULL; 2425 } 2426} 2427 2428/* GFX Switch position */ 2429enum gfx_switch { 2430 SPEED, 2431 STAMINA, 2432 AUTO 2433}; 2434struct snc_gfx_switch_control { 2435 struct device_attribute attr; 2436 unsigned int handle; 2437}; 2438static struct snc_gfx_switch_control *gfxs_ctl; 2439 2440/* returns 0 for speed, 1 for stamina */ 2441static int __sony_nc_gfx_switch_status_get(void) 2442{ 2443 unsigned int result; 2444 2445 if (sony_call_snc_handle(gfxs_ctl->handle, 2446 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2447 &result)) 2448 return -EIO; 2449 2450 switch (gfxs_ctl->handle) { 2451 case 0x0146: 2452 /* 1: discrete GFX (speed) 2453 * 0: integrated GFX (stamina) 2454 */ 2455 return result & 0x1 ? SPEED : STAMINA; 2456 break; 2457 case 0x015B: 2458 /* 0: discrete GFX (speed) 2459 * 1: integrated GFX (stamina) 2460 */ 2461 return result & 0x1 ? STAMINA : SPEED; 2462 break; 2463 case 0x0128: 2464 /* it's a more elaborated bitmask, for now: 2465 * 2: integrated GFX (stamina) 2466 * 0: discrete GFX (speed) 2467 */ 2468 dprintk("GFX Status: 0x%x\n", result); 2469 return result & 0x80 ? AUTO : 2470 result & 0x02 ? STAMINA : SPEED; 2471 break; 2472 } 2473 return -EINVAL; 2474} 2475 2476static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2477 struct device_attribute *attr, 2478 char *buffer) 2479{ 2480 int pos = __sony_nc_gfx_switch_status_get(); 2481 2482 if (pos < 0) 2483 return pos; 2484 2485 return snprintf(buffer, PAGE_SIZE, "%s\n", 2486 pos == SPEED ? "speed" : 2487 pos == STAMINA ? "stamina" : 2488 pos == AUTO ? "auto" : "unknown"); 2489} 2490 2491static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2492 unsigned int handle) 2493{ 2494 unsigned int result; 2495 2496 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2497 if (!gfxs_ctl) 2498 return -ENOMEM; 2499 2500 gfxs_ctl->handle = handle; 2501 2502 sysfs_attr_init(&gfxs_ctl->attr.attr); 2503 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2504 gfxs_ctl->attr.attr.mode = S_IRUGO; 2505 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2506 2507 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2508 if (result) 2509 goto gfxerror; 2510 2511 return 0; 2512 2513gfxerror: 2514 kfree(gfxs_ctl); 2515 gfxs_ctl = NULL; 2516 2517 return result; 2518} 2519 2520static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2521{ 2522 if (gfxs_ctl) { 2523 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2524 2525 kfree(gfxs_ctl); 2526 gfxs_ctl = NULL; 2527 } 2528} 2529 2530/* High speed charging function */ 2531static struct device_attribute *hsc_handle; 2532 2533static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2534 struct device_attribute *attr, 2535 const char *buffer, size_t count) 2536{ 2537 unsigned int result; 2538 unsigned long value; 2539 2540 if (count > 31) 2541 return -EINVAL; 2542 2543 if (kstrtoul(buffer, 10, &value) || value > 1) 2544 return -EINVAL; 2545 2546 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2547 return -EIO; 2548 2549 return count; 2550} 2551 2552static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2553 struct device_attribute *attr, char *buffer) 2554{ 2555 unsigned int result; 2556 2557 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2558 return -EIO; 2559 2560 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2561} 2562 2563static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2564{ 2565 unsigned int result; 2566 2567 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2568 /* some models advertise the handle but have no implementation 2569 * for it 2570 */ 2571 pr_info("No High Speed Charging capability found\n"); 2572 return 0; 2573 } 2574 2575 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2576 if (!hsc_handle) 2577 return -ENOMEM; 2578 2579 sysfs_attr_init(&hsc_handle->attr); 2580 hsc_handle->attr.name = "battery_highspeed_charging"; 2581 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2582 hsc_handle->show = sony_nc_highspeed_charging_show; 2583 hsc_handle->store = sony_nc_highspeed_charging_store; 2584 2585 result = device_create_file(&pd->dev, hsc_handle); 2586 if (result) { 2587 kfree(hsc_handle); 2588 hsc_handle = NULL; 2589 return result; 2590 } 2591 2592 return 0; 2593} 2594 2595static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2596{ 2597 if (hsc_handle) { 2598 device_remove_file(&pd->dev, hsc_handle); 2599 kfree(hsc_handle); 2600 hsc_handle = NULL; 2601 } 2602} 2603 2604/* low battery function */ 2605static struct device_attribute *lowbatt_handle; 2606 2607static ssize_t sony_nc_lowbatt_store(struct device *dev, 2608 struct device_attribute *attr, 2609 const char *buffer, size_t count) 2610{ 2611 unsigned int result; 2612 unsigned long value; 2613 2614 if (count > 31) 2615 return -EINVAL; 2616 2617 if (kstrtoul(buffer, 10, &value) || value > 1) 2618 return -EINVAL; 2619 2620 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2621 return -EIO; 2622 2623 return count; 2624} 2625 2626static ssize_t sony_nc_lowbatt_show(struct device *dev, 2627 struct device_attribute *attr, char *buffer) 2628{ 2629 unsigned int result; 2630 2631 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2632 return -EIO; 2633 2634 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2635} 2636 2637static int sony_nc_lowbatt_setup(struct platform_device *pd) 2638{ 2639 unsigned int result; 2640 2641 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2642 if (!lowbatt_handle) 2643 return -ENOMEM; 2644 2645 sysfs_attr_init(&lowbatt_handle->attr); 2646 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2647 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2648 lowbatt_handle->show = sony_nc_lowbatt_show; 2649 lowbatt_handle->store = sony_nc_lowbatt_store; 2650 2651 result = device_create_file(&pd->dev, lowbatt_handle); 2652 if (result) { 2653 kfree(lowbatt_handle); 2654 lowbatt_handle = NULL; 2655 return result; 2656 } 2657 2658 return 0; 2659} 2660 2661static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2662{ 2663 if (lowbatt_handle) { 2664 device_remove_file(&pd->dev, lowbatt_handle); 2665 kfree(lowbatt_handle); 2666 lowbatt_handle = NULL; 2667 } 2668} 2669 2670/* fan speed function */ 2671static struct device_attribute *fan_handle, *hsf_handle; 2672 2673static ssize_t sony_nc_hsfan_store(struct device *dev, 2674 struct device_attribute *attr, 2675 const char *buffer, size_t count) 2676{ 2677 unsigned int result; 2678 unsigned long value; 2679 2680 if (count > 31) 2681 return -EINVAL; 2682 2683 if (kstrtoul(buffer, 10, &value) || value > 1) 2684 return -EINVAL; 2685 2686 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2687 return -EIO; 2688 2689 return count; 2690} 2691 2692static ssize_t sony_nc_hsfan_show(struct device *dev, 2693 struct device_attribute *attr, char *buffer) 2694{ 2695 unsigned int result; 2696 2697 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2698 return -EIO; 2699 2700 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2701} 2702 2703static ssize_t sony_nc_fanspeed_show(struct device *dev, 2704 struct device_attribute *attr, char *buffer) 2705{ 2706 unsigned int result; 2707 2708 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2709 return -EIO; 2710 2711 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2712} 2713 2714static int sony_nc_fanspeed_setup(struct platform_device *pd) 2715{ 2716 unsigned int result; 2717 2718 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2719 if (!fan_handle) 2720 return -ENOMEM; 2721 2722 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2723 if (!hsf_handle) { 2724 result = -ENOMEM; 2725 goto out_hsf_handle_alloc; 2726 } 2727 2728 sysfs_attr_init(&fan_handle->attr); 2729 fan_handle->attr.name = "fanspeed"; 2730 fan_handle->attr.mode = S_IRUGO; 2731 fan_handle->show = sony_nc_fanspeed_show; 2732 fan_handle->store = NULL; 2733 2734 sysfs_attr_init(&hsf_handle->attr); 2735 hsf_handle->attr.name = "fan_forced"; 2736 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2737 hsf_handle->show = sony_nc_hsfan_show; 2738 hsf_handle->store = sony_nc_hsfan_store; 2739 2740 result = device_create_file(&pd->dev, fan_handle); 2741 if (result) 2742 goto out_fan_handle; 2743 2744 result = device_create_file(&pd->dev, hsf_handle); 2745 if (result) 2746 goto out_hsf_handle; 2747 2748 return 0; 2749 2750out_hsf_handle: 2751 device_remove_file(&pd->dev, fan_handle); 2752 2753out_fan_handle: 2754 kfree(hsf_handle); 2755 hsf_handle = NULL; 2756 2757out_hsf_handle_alloc: 2758 kfree(fan_handle); 2759 fan_handle = NULL; 2760 return result; 2761} 2762 2763static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2764{ 2765 if (fan_handle) { 2766 device_remove_file(&pd->dev, fan_handle); 2767 kfree(fan_handle); 2768 fan_handle = NULL; 2769 } 2770 if (hsf_handle) { 2771 device_remove_file(&pd->dev, hsf_handle); 2772 kfree(hsf_handle); 2773 hsf_handle = NULL; 2774 } 2775} 2776 2777/* USB charge function */ 2778static struct device_attribute *uc_handle; 2779 2780static ssize_t sony_nc_usb_charge_store(struct device *dev, 2781 struct device_attribute *attr, 2782 const char *buffer, size_t count) 2783{ 2784 unsigned int result; 2785 unsigned long value; 2786 2787 if (count > 31) 2788 return -EINVAL; 2789 2790 if (kstrtoul(buffer, 10, &value) || value > 1) 2791 return -EINVAL; 2792 2793 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2794 return -EIO; 2795 2796 return count; 2797} 2798 2799static ssize_t sony_nc_usb_charge_show(struct device *dev, 2800 struct device_attribute *attr, char *buffer) 2801{ 2802 unsigned int result; 2803 2804 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2805 return -EIO; 2806 2807 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2808} 2809 2810static int sony_nc_usb_charge_setup(struct platform_device *pd) 2811{ 2812 unsigned int result; 2813 2814 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2815 /* some models advertise the handle but have no implementation 2816 * for it 2817 */ 2818 pr_info("No USB Charge capability found\n"); 2819 return 0; 2820 } 2821 2822 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2823 if (!uc_handle) 2824 return -ENOMEM; 2825 2826 sysfs_attr_init(&uc_handle->attr); 2827 uc_handle->attr.name = "usb_charge"; 2828 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2829 uc_handle->show = sony_nc_usb_charge_show; 2830 uc_handle->store = sony_nc_usb_charge_store; 2831 2832 result = device_create_file(&pd->dev, uc_handle); 2833 if (result) { 2834 kfree(uc_handle); 2835 uc_handle = NULL; 2836 return result; 2837 } 2838 2839 return 0; 2840} 2841 2842static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2843{ 2844 if (uc_handle) { 2845 device_remove_file(&pd->dev, uc_handle); 2846 kfree(uc_handle); 2847 uc_handle = NULL; 2848 } 2849} 2850 2851/* Panel ID function */ 2852static struct device_attribute *panel_handle; 2853 2854static ssize_t sony_nc_panelid_show(struct device *dev, 2855 struct device_attribute *attr, char *buffer) 2856{ 2857 unsigned int result; 2858 2859 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2860 return -EIO; 2861 2862 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2863} 2864 2865static int sony_nc_panelid_setup(struct platform_device *pd) 2866{ 2867 unsigned int result; 2868 2869 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2870 if (!panel_handle) 2871 return -ENOMEM; 2872 2873 sysfs_attr_init(&panel_handle->attr); 2874 panel_handle->attr.name = "panel_id"; 2875 panel_handle->attr.mode = S_IRUGO; 2876 panel_handle->show = sony_nc_panelid_show; 2877 panel_handle->store = NULL; 2878 2879 result = device_create_file(&pd->dev, panel_handle); 2880 if (result) { 2881 kfree(panel_handle); 2882 panel_handle = NULL; 2883 return result; 2884 } 2885 2886 return 0; 2887} 2888 2889static void sony_nc_panelid_cleanup(struct platform_device *pd) 2890{ 2891 if (panel_handle) { 2892 device_remove_file(&pd->dev, panel_handle); 2893 kfree(panel_handle); 2894 panel_handle = NULL; 2895 } 2896} 2897 2898/* smart connect function */ 2899static struct device_attribute *sc_handle; 2900 2901static ssize_t sony_nc_smart_conn_store(struct device *dev, 2902 struct device_attribute *attr, 2903 const char *buffer, size_t count) 2904{ 2905 unsigned int result; 2906 unsigned long value; 2907 2908 if (count > 31) 2909 return -EINVAL; 2910 2911 if (kstrtoul(buffer, 10, &value) || value > 1) 2912 return -EINVAL; 2913 2914 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2915 return -EIO; 2916 2917 return count; 2918} 2919 2920static int sony_nc_smart_conn_setup(struct platform_device *pd) 2921{ 2922 unsigned int result; 2923 2924 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2925 if (!sc_handle) 2926 return -ENOMEM; 2927 2928 sysfs_attr_init(&sc_handle->attr); 2929 sc_handle->attr.name = "smart_connect"; 2930 sc_handle->attr.mode = S_IWUSR; 2931 sc_handle->show = NULL; 2932 sc_handle->store = sony_nc_smart_conn_store; 2933 2934 result = device_create_file(&pd->dev, sc_handle); 2935 if (result) { 2936 kfree(sc_handle); 2937 sc_handle = NULL; 2938 return result; 2939 } 2940 2941 return 0; 2942} 2943 2944static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2945{ 2946 if (sc_handle) { 2947 device_remove_file(&pd->dev, sc_handle); 2948 kfree(sc_handle); 2949 sc_handle = NULL; 2950 } 2951} 2952 2953/* Touchpad enable/disable */ 2954struct touchpad_control { 2955 struct device_attribute attr; 2956 int handle; 2957}; 2958static struct touchpad_control *tp_ctl; 2959 2960static ssize_t sony_nc_touchpad_store(struct device *dev, 2961 struct device_attribute *attr, const char *buffer, size_t count) 2962{ 2963 unsigned int result; 2964 unsigned long value; 2965 2966 if (count > 31) 2967 return -EINVAL; 2968 2969 if (kstrtoul(buffer, 10, &value) || value > 1) 2970 return -EINVAL; 2971 2972 /* sysfs: 0 disabled, 1 enabled 2973 * EC: 0 enabled, 1 disabled 2974 */ 2975 if (sony_call_snc_handle(tp_ctl->handle, 2976 (!value << 0x10) | 0x100, &result)) 2977 return -EIO; 2978 2979 return count; 2980} 2981 2982static ssize_t sony_nc_touchpad_show(struct device *dev, 2983 struct device_attribute *attr, char *buffer) 2984{ 2985 unsigned int result; 2986 2987 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2988 return -EINVAL; 2989 2990 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2991} 2992 2993static int sony_nc_touchpad_setup(struct platform_device *pd, 2994 unsigned int handle) 2995{ 2996 int ret = 0; 2997 2998 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2999 if (!tp_ctl) 3000 return -ENOMEM; 3001 3002 tp_ctl->handle = handle; 3003 3004 sysfs_attr_init(&tp_ctl->attr.attr); 3005 tp_ctl->attr.attr.name = "touchpad"; 3006 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3007 tp_ctl->attr.show = sony_nc_touchpad_show; 3008 tp_ctl->attr.store = sony_nc_touchpad_store; 3009 3010 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3011 if (ret) { 3012 kfree(tp_ctl); 3013 tp_ctl = NULL; 3014 } 3015 3016 return ret; 3017} 3018 3019static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3020{ 3021 if (tp_ctl) { 3022 device_remove_file(&pd->dev, &tp_ctl->attr); 3023 kfree(tp_ctl); 3024 tp_ctl = NULL; 3025 } 3026} 3027 3028static void sony_nc_backlight_ng_read_limits(int handle, 3029 struct sony_backlight_props *props) 3030{ 3031 u64 offset; 3032 int i; 3033 int lvl_table_len = 0; 3034 u8 min = 0xff, max = 0x00; 3035 unsigned char buffer[32] = { 0 }; 3036 3037 props->handle = handle; 3038 props->offset = 0; 3039 props->maxlvl = 0xff; 3040 3041 offset = sony_find_snc_handle(handle); 3042 3043 /* try to read the boundaries from ACPI tables, if we fail the above 3044 * defaults should be reasonable 3045 */ 3046 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3047 32); 3048 if (i < 0) 3049 return; 3050 3051 switch (handle) { 3052 case 0x012f: 3053 case 0x0137: 3054 lvl_table_len = 9; 3055 break; 3056 case 0x143: 3057 case 0x14b: 3058 case 0x14c: 3059 lvl_table_len = 16; 3060 break; 3061 } 3062 3063 /* the buffer lists brightness levels available, brightness levels are 3064 * from position 0 to 8 in the array, other values are used by ALS 3065 * control. 3066 */ 3067 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3068 3069 dprintk("Brightness level: %d\n", buffer[i]); 3070 3071 if (!buffer[i]) 3072 break; 3073 3074 if (buffer[i] > max) 3075 max = buffer[i]; 3076 if (buffer[i] < min) 3077 min = buffer[i]; 3078 } 3079 props->offset = min; 3080 props->maxlvl = max; 3081 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3082 props->maxlvl); 3083} 3084 3085static void sony_nc_backlight_setup(void) 3086{ 3087 int max_brightness = 0; 3088 const struct backlight_ops *ops = NULL; 3089 struct backlight_properties props; 3090 3091 if (sony_find_snc_handle(0x12f) >= 0) { 3092 ops = &sony_backlight_ng_ops; 3093 sony_bl_props.cmd_base = 0x0100; 3094 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3095 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3096 3097 } else if (sony_find_snc_handle(0x137) >= 0) { 3098 ops = &sony_backlight_ng_ops; 3099 sony_bl_props.cmd_base = 0x0100; 3100 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3101 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3102 3103 } else if (sony_find_snc_handle(0x143) >= 0) { 3104 ops = &sony_backlight_ng_ops; 3105 sony_bl_props.cmd_base = 0x3000; 3106 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3107 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3108 3109 } else if (sony_find_snc_handle(0x14b) >= 0) { 3110 ops = &sony_backlight_ng_ops; 3111 sony_bl_props.cmd_base = 0x3000; 3112 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3113 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3114 3115 } else if (sony_find_snc_handle(0x14c) >= 0) { 3116 ops = &sony_backlight_ng_ops; 3117 sony_bl_props.cmd_base = 0x3000; 3118 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3119 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3120 3121 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3122 ops = &sony_backlight_ops; 3123 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3124 3125 } else 3126 return; 3127 3128 memset(&props, 0, sizeof(struct backlight_properties)); 3129 props.type = BACKLIGHT_PLATFORM; 3130 props.max_brightness = max_brightness; 3131 sony_bl_props.dev = backlight_device_register("sony", NULL, 3132 &sony_bl_props, 3133 ops, &props); 3134 3135 if (IS_ERR(sony_bl_props.dev)) { 3136 pr_warn("unable to register backlight device\n"); 3137 sony_bl_props.dev = NULL; 3138 } else 3139 sony_bl_props.dev->props.brightness = 3140 ops->get_brightness(sony_bl_props.dev); 3141} 3142 3143static void sony_nc_backlight_cleanup(void) 3144{ 3145 backlight_device_unregister(sony_bl_props.dev); 3146} 3147 3148static int sony_nc_add(struct acpi_device *device) 3149{ 3150 acpi_status status; 3151 int result = 0; 3152 struct sony_nc_value *item; 3153 3154 sony_nc_acpi_device = device; 3155 strcpy(acpi_device_class(device), "sony/hotkey"); 3156 3157 sony_nc_acpi_handle = device->handle; 3158 3159 /* read device status */ 3160 result = acpi_bus_get_status(device); 3161 /* bail IFF the above call was successful and the device is not present */ 3162 if (!result && !device->status.present) { 3163 dprintk("Device not present\n"); 3164 result = -ENODEV; 3165 goto outwalk; 3166 } 3167 3168 result = sony_pf_add(); 3169 if (result) 3170 goto outpresent; 3171 3172 if (debug) { 3173 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3174 sony_nc_acpi_handle, 1, sony_walk_callback, 3175 NULL, NULL, NULL); 3176 if (ACPI_FAILURE(status)) { 3177 pr_warn("unable to walk acpi resources\n"); 3178 result = -ENODEV; 3179 goto outpresent; 3180 } 3181 } 3182 3183 result = sony_laptop_setup_input(device); 3184 if (result) { 3185 pr_err("Unable to create input devices\n"); 3186 goto outplatform; 3187 } 3188 3189 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3190 int arg = 1; 3191 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3192 dprintk("ECON Method failed\n"); 3193 } 3194 3195 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3196 dprintk("Doing SNC setup\n"); 3197 /* retrieve the available handles */ 3198 result = sony_nc_handles_setup(sony_pf_device); 3199 if (!result) 3200 sony_nc_function_setup(device, sony_pf_device); 3201 } 3202 3203 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3204 sony_nc_backlight_setup(); 3205 3206 /* create sony_pf sysfs attributes related to the SNC device */ 3207 for (item = sony_nc_values; item->name; ++item) { 3208 3209 if (!debug && item->debug) 3210 continue; 3211 3212 /* find the available acpiget as described in the DSDT */ 3213 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3214 if (acpi_has_method(sony_nc_acpi_handle, 3215 *item->acpiget)) { 3216 dprintk("Found %s getter: %s\n", 3217 item->name, *item->acpiget); 3218 item->devattr.attr.mode |= S_IRUGO; 3219 break; 3220 } 3221 } 3222 3223 /* find the available acpiset as described in the DSDT */ 3224 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3225 if (acpi_has_method(sony_nc_acpi_handle, 3226 *item->acpiset)) { 3227 dprintk("Found %s setter: %s\n", 3228 item->name, *item->acpiset); 3229 item->devattr.attr.mode |= S_IWUSR; 3230 break; 3231 } 3232 } 3233 3234 if (item->devattr.attr.mode != 0) { 3235 result = 3236 device_create_file(&sony_pf_device->dev, 3237 &item->devattr); 3238 if (result) 3239 goto out_sysfs; 3240 } 3241 } 3242 3243 pr_info("SNC setup done.\n"); 3244 return 0; 3245 3246out_sysfs: 3247 for (item = sony_nc_values; item->name; ++item) { 3248 device_remove_file(&sony_pf_device->dev, &item->devattr); 3249 } 3250 sony_nc_backlight_cleanup(); 3251 sony_nc_function_cleanup(sony_pf_device); 3252 sony_nc_handles_cleanup(sony_pf_device); 3253 3254outplatform: 3255 sony_laptop_remove_input(); 3256 3257outpresent: 3258 sony_pf_remove(); 3259 3260outwalk: 3261 sony_nc_rfkill_cleanup(); 3262 return result; 3263} 3264 3265static int sony_nc_remove(struct acpi_device *device) 3266{ 3267 struct sony_nc_value *item; 3268 3269 sony_nc_backlight_cleanup(); 3270 3271 sony_nc_acpi_device = NULL; 3272 3273 for (item = sony_nc_values; item->name; ++item) { 3274 device_remove_file(&sony_pf_device->dev, &item->devattr); 3275 } 3276 3277 sony_nc_function_cleanup(sony_pf_device); 3278 sony_nc_handles_cleanup(sony_pf_device); 3279 sony_pf_remove(); 3280 sony_laptop_remove_input(); 3281 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3282 3283 return 0; 3284} 3285 3286static const struct acpi_device_id sony_device_ids[] = { 3287 {SONY_NC_HID, 0}, 3288 {SONY_PIC_HID, 0}, 3289 {"", 0}, 3290}; 3291MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3292 3293static const struct acpi_device_id sony_nc_device_ids[] = { 3294 {SONY_NC_HID, 0}, 3295 {"", 0}, 3296}; 3297 3298static struct acpi_driver sony_nc_driver = { 3299 .name = SONY_NC_DRIVER_NAME, 3300 .class = SONY_NC_CLASS, 3301 .ids = sony_nc_device_ids, 3302 .owner = THIS_MODULE, 3303 .ops = { 3304 .add = sony_nc_add, 3305 .remove = sony_nc_remove, 3306 .notify = sony_nc_notify, 3307 }, 3308 .drv.pm = &sony_nc_pm, 3309}; 3310 3311/*********** SPIC (SNY6001) Device ***********/ 3312 3313#define SONYPI_DEVICE_TYPE1 0x00000001 3314#define SONYPI_DEVICE_TYPE2 0x00000002 3315#define SONYPI_DEVICE_TYPE3 0x00000004 3316 3317#define SONYPI_TYPE1_OFFSET 0x04 3318#define SONYPI_TYPE2_OFFSET 0x12 3319#define SONYPI_TYPE3_OFFSET 0x12 3320 3321struct sony_pic_ioport { 3322 struct acpi_resource_io io1; 3323 struct acpi_resource_io io2; 3324 struct list_head list; 3325}; 3326 3327struct sony_pic_irq { 3328 struct acpi_resource_irq irq; 3329 struct list_head list; 3330}; 3331 3332struct sonypi_eventtypes { 3333 u8 data; 3334 unsigned long mask; 3335 struct sonypi_event *events; 3336}; 3337 3338struct sony_pic_dev { 3339 struct acpi_device *acpi_dev; 3340 struct sony_pic_irq *cur_irq; 3341 struct sony_pic_ioport *cur_ioport; 3342 struct list_head interrupts; 3343 struct list_head ioports; 3344 struct mutex lock; 3345 struct sonypi_eventtypes *event_types; 3346 int (*handle_irq)(const u8, const u8); 3347 int model; 3348 u16 evport_offset; 3349 u8 camera_power; 3350 u8 bluetooth_power; 3351 u8 wwan_power; 3352}; 3353 3354static struct sony_pic_dev spic_dev = { 3355 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3356 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3357}; 3358 3359static int spic_drv_registered; 3360 3361/* Event masks */ 3362#define SONYPI_JOGGER_MASK 0x00000001 3363#define SONYPI_CAPTURE_MASK 0x00000002 3364#define SONYPI_FNKEY_MASK 0x00000004 3365#define SONYPI_BLUETOOTH_MASK 0x00000008 3366#define SONYPI_PKEY_MASK 0x00000010 3367#define SONYPI_BACK_MASK 0x00000020 3368#define SONYPI_HELP_MASK 0x00000040 3369#define SONYPI_LID_MASK 0x00000080 3370#define SONYPI_ZOOM_MASK 0x00000100 3371#define SONYPI_THUMBPHRASE_MASK 0x00000200 3372#define SONYPI_MEYE_MASK 0x00000400 3373#define SONYPI_MEMORYSTICK_MASK 0x00000800 3374#define SONYPI_BATTERY_MASK 0x00001000 3375#define SONYPI_WIRELESS_MASK 0x00002000 3376 3377struct sonypi_event { 3378 u8 data; 3379 u8 event; 3380}; 3381 3382/* The set of possible button release events */ 3383static struct sonypi_event sonypi_releaseev[] = { 3384 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3385 { 0, 0 } 3386}; 3387 3388/* The set of possible jogger events */ 3389static struct sonypi_event sonypi_joggerev[] = { 3390 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3391 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3392 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3393 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3394 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3395 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3396 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3397 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3398 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3399 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3400 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3401 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3402 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3403 { 0, 0 } 3404}; 3405 3406/* The set of possible capture button events */ 3407static struct sonypi_event sonypi_captureev[] = { 3408 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3409 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3410 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3411 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3412 { 0, 0 } 3413}; 3414 3415/* The set of possible fnkeys events */ 3416static struct sonypi_event sonypi_fnkeyev[] = { 3417 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3418 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3419 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3420 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3421 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3422 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3423 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3424 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3425 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3426 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3427 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3428 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3429 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3430 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3431 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3432 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3433 { 0x31, SONYPI_EVENT_FNKEY_D }, 3434 { 0x32, SONYPI_EVENT_FNKEY_E }, 3435 { 0x33, SONYPI_EVENT_FNKEY_F }, 3436 { 0x34, SONYPI_EVENT_FNKEY_S }, 3437 { 0x35, SONYPI_EVENT_FNKEY_B }, 3438 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3439 { 0, 0 } 3440}; 3441 3442/* The set of possible program key events */ 3443static struct sonypi_event sonypi_pkeyev[] = { 3444 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3445 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3446 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3447 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3448 { 0, 0 } 3449}; 3450 3451/* The set of possible bluetooth events */ 3452static struct sonypi_event sonypi_blueev[] = { 3453 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3454 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3455 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3456 { 0, 0 } 3457}; 3458 3459/* The set of possible wireless events */ 3460static struct sonypi_event sonypi_wlessev[] = { 3461 { 0x59, SONYPI_EVENT_IGNORE }, 3462 { 0x5a, SONYPI_EVENT_IGNORE }, 3463 { 0, 0 } 3464}; 3465 3466/* The set of possible back button events */ 3467static struct sonypi_event sonypi_backev[] = { 3468 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3469 { 0, 0 } 3470}; 3471 3472/* The set of possible help button events */ 3473static struct sonypi_event sonypi_helpev[] = { 3474 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3475 { 0, 0 } 3476}; 3477 3478 3479/* The set of possible lid events */ 3480static struct sonypi_event sonypi_lidev[] = { 3481 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3482 { 0x50, SONYPI_EVENT_LID_OPENED }, 3483 { 0, 0 } 3484}; 3485 3486/* The set of possible zoom events */ 3487static struct sonypi_event sonypi_zoomev[] = { 3488 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3489 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3490 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3491 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3492 { 0, 0 } 3493}; 3494 3495/* The set of possible thumbphrase events */ 3496static struct sonypi_event sonypi_thumbphraseev[] = { 3497 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3498 { 0, 0 } 3499}; 3500 3501/* The set of possible motioneye camera events */ 3502static struct sonypi_event sonypi_meyeev[] = { 3503 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3504 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3505 { 0, 0 } 3506}; 3507 3508/* The set of possible memorystick events */ 3509static struct sonypi_event sonypi_memorystickev[] = { 3510 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3511 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3512 { 0, 0 } 3513}; 3514 3515/* The set of possible battery events */ 3516static struct sonypi_event sonypi_batteryev[] = { 3517 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3518 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3519 { 0, 0 } 3520}; 3521 3522/* The set of possible volume events */ 3523static struct sonypi_event sonypi_volumeev[] = { 3524 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3525 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3526 { 0, 0 } 3527}; 3528 3529/* The set of possible brightness events */ 3530static struct sonypi_event sonypi_brightnessev[] = { 3531 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3532 { 0, 0 } 3533}; 3534 3535static struct sonypi_eventtypes type1_events[] = { 3536 { 0, 0xffffffff, sonypi_releaseev }, 3537 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3538 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3539 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3540 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3541 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3542 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3543 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3544 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3545 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3546 { 0 }, 3547}; 3548static struct sonypi_eventtypes type2_events[] = { 3549 { 0, 0xffffffff, sonypi_releaseev }, 3550 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3551 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3552 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3553 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3554 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3555 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3556 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3557 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3558 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3559 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3560 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3561 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3562 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3563 { 0 }, 3564}; 3565static struct sonypi_eventtypes type3_events[] = { 3566 { 0, 0xffffffff, sonypi_releaseev }, 3567 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3568 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3569 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3570 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3571 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3572 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3573 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3574 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3575 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3576 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3577 { 0 }, 3578}; 3579 3580/* low level spic calls */ 3581#define ITERATIONS_LONG 10000 3582#define ITERATIONS_SHORT 10 3583#define wait_on_command(command, iterations) { \ 3584 unsigned int n = iterations; \ 3585 while (--n && (command)) \ 3586 udelay(1); \ 3587 if (!n) \ 3588 dprintk("command failed at %s : %s (line %d)\n", \ 3589 __FILE__, __func__, __LINE__); \ 3590} 3591 3592static u8 sony_pic_call1(u8 dev) 3593{ 3594 u8 v1, v2; 3595 3596 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3597 ITERATIONS_LONG); 3598 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3599 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3600 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3601 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3602 return v2; 3603} 3604 3605static u8 sony_pic_call2(u8 dev, u8 fn) 3606{ 3607 u8 v1; 3608 3609 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3610 ITERATIONS_LONG); 3611 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3612 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3613 ITERATIONS_LONG); 3614 outb(fn, spic_dev.cur_ioport->io1.minimum); 3615 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3616 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3617 return v1; 3618} 3619 3620static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3621{ 3622 u8 v1; 3623 3624 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3625 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3627 outb(fn, spic_dev.cur_ioport->io1.minimum); 3628 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3629 outb(v, spic_dev.cur_ioport->io1.minimum); 3630 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3631 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3632 dev, fn, v, v1); 3633 return v1; 3634} 3635 3636/* 3637 * minidrivers for SPIC models 3638 */ 3639static int type3_handle_irq(const u8 data_mask, const u8 ev) 3640{ 3641 /* 3642 * 0x31 could mean we have to take some extra action and wait for 3643 * the next irq for some Type3 models, it will generate a new 3644 * irq and we can read new data from the device: 3645 * - 0x5c and 0x5f requires 0xA0 3646 * - 0x61 requires 0xB3 3647 */ 3648 if (data_mask == 0x31) { 3649 if (ev == 0x5c || ev == 0x5f) 3650 sony_pic_call1(0xA0); 3651 else if (ev == 0x61) 3652 sony_pic_call1(0xB3); 3653 return 0; 3654 } 3655 return 1; 3656} 3657 3658static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3659{ 3660 struct pci_dev *pcidev; 3661 3662 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3663 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3664 if (pcidev) { 3665 dev->model = SONYPI_DEVICE_TYPE1; 3666 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3667 dev->event_types = type1_events; 3668 goto out; 3669 } 3670 3671 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3672 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3673 if (pcidev) { 3674 dev->model = SONYPI_DEVICE_TYPE2; 3675 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3676 dev->event_types = type2_events; 3677 goto out; 3678 } 3679 3680 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3681 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3682 if (pcidev) { 3683 dev->model = SONYPI_DEVICE_TYPE3; 3684 dev->handle_irq = type3_handle_irq; 3685 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3686 dev->event_types = type3_events; 3687 goto out; 3688 } 3689 3690 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3691 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3692 if (pcidev) { 3693 dev->model = SONYPI_DEVICE_TYPE3; 3694 dev->handle_irq = type3_handle_irq; 3695 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3696 dev->event_types = type3_events; 3697 goto out; 3698 } 3699 3700 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3701 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3702 if (pcidev) { 3703 dev->model = SONYPI_DEVICE_TYPE3; 3704 dev->handle_irq = type3_handle_irq; 3705 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3706 dev->event_types = type3_events; 3707 goto out; 3708 } 3709 3710 /* default */ 3711 dev->model = SONYPI_DEVICE_TYPE2; 3712 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3713 dev->event_types = type2_events; 3714 3715out: 3716 pci_dev_put(pcidev); 3717 3718 pr_info("detected Type%d model\n", 3719 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3720 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3721} 3722 3723/* camera tests and poweron/poweroff */ 3724#define SONYPI_CAMERA_PICTURE 5 3725#define SONYPI_CAMERA_CONTROL 0x10 3726 3727#define SONYPI_CAMERA_BRIGHTNESS 0 3728#define SONYPI_CAMERA_CONTRAST 1 3729#define SONYPI_CAMERA_HUE 2 3730#define SONYPI_CAMERA_COLOR 3 3731#define SONYPI_CAMERA_SHARPNESS 4 3732 3733#define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3734#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3735#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3736#define SONYPI_CAMERA_MUTE_MASK 0x40 3737 3738/* the rest don't need a loop until not 0xff */ 3739#define SONYPI_CAMERA_AGC 6 3740#define SONYPI_CAMERA_AGC_MASK 0x30 3741#define SONYPI_CAMERA_SHUTTER_MASK 0x7 3742 3743#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3744#define SONYPI_CAMERA_CONTROL 0x10 3745 3746#define SONYPI_CAMERA_STATUS 7 3747#define SONYPI_CAMERA_STATUS_READY 0x2 3748#define SONYPI_CAMERA_STATUS_POSITION 0x4 3749 3750#define SONYPI_DIRECTION_BACKWARDS 0x4 3751 3752#define SONYPI_CAMERA_REVISION 8 3753#define SONYPI_CAMERA_ROMVERSION 9 3754 3755static int __sony_pic_camera_ready(void) 3756{ 3757 u8 v; 3758 3759 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3760 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3761} 3762 3763static int __sony_pic_camera_off(void) 3764{ 3765 if (!camera) { 3766 pr_warn("camera control not enabled\n"); 3767 return -ENODEV; 3768 } 3769 3770 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3771 SONYPI_CAMERA_MUTE_MASK), 3772 ITERATIONS_SHORT); 3773 3774 if (spic_dev.camera_power) { 3775 sony_pic_call2(0x91, 0); 3776 spic_dev.camera_power = 0; 3777 } 3778 return 0; 3779} 3780 3781static int __sony_pic_camera_on(void) 3782{ 3783 int i, j, x; 3784 3785 if (!camera) { 3786 pr_warn("camera control not enabled\n"); 3787 return -ENODEV; 3788 } 3789 3790 if (spic_dev.camera_power) 3791 return 0; 3792 3793 for (j = 5; j > 0; j--) { 3794 3795 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3796 msleep(10); 3797 sony_pic_call1(0x93); 3798 3799 for (i = 400; i > 0; i--) { 3800 if (__sony_pic_camera_ready()) 3801 break; 3802 msleep(10); 3803 } 3804 if (i) 3805 break; 3806 } 3807 3808 if (j == 0) { 3809 pr_warn("failed to power on camera\n"); 3810 return -ENODEV; 3811 } 3812 3813 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3814 0x5a), 3815 ITERATIONS_SHORT); 3816 3817 spic_dev.camera_power = 1; 3818 return 0; 3819} 3820 3821/* External camera command (exported to the motion eye v4l driver) */ 3822int sony_pic_camera_command(int command, u8 value) 3823{ 3824 if (!camera) 3825 return -EIO; 3826 3827 mutex_lock(&spic_dev.lock); 3828 3829 switch (command) { 3830 case SONY_PIC_COMMAND_SETCAMERA: 3831 if (value) 3832 __sony_pic_camera_on(); 3833 else 3834 __sony_pic_camera_off(); 3835 break; 3836 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3837 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3838 ITERATIONS_SHORT); 3839 break; 3840 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3842 ITERATIONS_SHORT); 3843 break; 3844 case SONY_PIC_COMMAND_SETCAMERAHUE: 3845 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3846 ITERATIONS_SHORT); 3847 break; 3848 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3849 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3850 ITERATIONS_SHORT); 3851 break; 3852 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3853 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3854 ITERATIONS_SHORT); 3855 break; 3856 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3857 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3858 ITERATIONS_SHORT); 3859 break; 3860 case SONY_PIC_COMMAND_SETCAMERAAGC: 3861 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3862 ITERATIONS_SHORT); 3863 break; 3864 default: 3865 pr_err("sony_pic_camera_command invalid: %d\n", command); 3866 break; 3867 } 3868 mutex_unlock(&spic_dev.lock); 3869 return 0; 3870} 3871EXPORT_SYMBOL(sony_pic_camera_command); 3872 3873/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3874static void __sony_pic_set_wwanpower(u8 state) 3875{ 3876 state = !!state; 3877 if (spic_dev.wwan_power == state) 3878 return; 3879 sony_pic_call2(0xB0, state); 3880 sony_pic_call1(0x82); 3881 spic_dev.wwan_power = state; 3882} 3883 3884static ssize_t sony_pic_wwanpower_store(struct device *dev, 3885 struct device_attribute *attr, 3886 const char *buffer, size_t count) 3887{ 3888 unsigned long value; 3889 if (count > 31) 3890 return -EINVAL; 3891 3892 if (kstrtoul(buffer, 10, &value)) 3893 return -EINVAL; 3894 3895 mutex_lock(&spic_dev.lock); 3896 __sony_pic_set_wwanpower(value); 3897 mutex_unlock(&spic_dev.lock); 3898 3899 return count; 3900} 3901 3902static ssize_t sony_pic_wwanpower_show(struct device *dev, 3903 struct device_attribute *attr, char *buffer) 3904{ 3905 ssize_t count; 3906 mutex_lock(&spic_dev.lock); 3907 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3908 mutex_unlock(&spic_dev.lock); 3909 return count; 3910} 3911 3912/* bluetooth subsystem power state */ 3913static void __sony_pic_set_bluetoothpower(u8 state) 3914{ 3915 state = !!state; 3916 if (spic_dev.bluetooth_power == state) 3917 return; 3918 sony_pic_call2(0x96, state); 3919 sony_pic_call1(0x82); 3920 spic_dev.bluetooth_power = state; 3921} 3922 3923static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3924 struct device_attribute *attr, 3925 const char *buffer, size_t count) 3926{ 3927 unsigned long value; 3928 if (count > 31) 3929 return -EINVAL; 3930 3931 if (kstrtoul(buffer, 10, &value)) 3932 return -EINVAL; 3933 3934 mutex_lock(&spic_dev.lock); 3935 __sony_pic_set_bluetoothpower(value); 3936 mutex_unlock(&spic_dev.lock); 3937 3938 return count; 3939} 3940 3941static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3942 struct device_attribute *attr, char *buffer) 3943{ 3944 ssize_t count = 0; 3945 mutex_lock(&spic_dev.lock); 3946 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3947 mutex_unlock(&spic_dev.lock); 3948 return count; 3949} 3950 3951/* fan speed */ 3952/* FAN0 information (reverse engineered from ACPI tables) */ 3953#define SONY_PIC_FAN0_STATUS 0x93 3954static int sony_pic_set_fanspeed(unsigned long value) 3955{ 3956 return ec_write(SONY_PIC_FAN0_STATUS, value); 3957} 3958 3959static int sony_pic_get_fanspeed(u8 *value) 3960{ 3961 return ec_read(SONY_PIC_FAN0_STATUS, value); 3962} 3963 3964static ssize_t sony_pic_fanspeed_store(struct device *dev, 3965 struct device_attribute *attr, 3966 const char *buffer, size_t count) 3967{ 3968 unsigned long value; 3969 if (count > 31) 3970 return -EINVAL; 3971 3972 if (kstrtoul(buffer, 10, &value)) 3973 return -EINVAL; 3974 3975 if (sony_pic_set_fanspeed(value)) 3976 return -EIO; 3977 3978 return count; 3979} 3980 3981static ssize_t sony_pic_fanspeed_show(struct device *dev, 3982 struct device_attribute *attr, char *buffer) 3983{ 3984 u8 value = 0; 3985 if (sony_pic_get_fanspeed(&value)) 3986 return -EIO; 3987 3988 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 3989} 3990 3991#define SPIC_ATTR(_name, _mode) \ 3992struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3993 _mode, sony_pic_## _name ##_show, \ 3994 sony_pic_## _name ##_store) 3995 3996static SPIC_ATTR(bluetoothpower, 0644); 3997static SPIC_ATTR(wwanpower, 0644); 3998static SPIC_ATTR(fanspeed, 0644); 3999 4000static struct attribute *spic_attributes[] = { 4001 &spic_attr_bluetoothpower.attr, 4002 &spic_attr_wwanpower.attr, 4003 &spic_attr_fanspeed.attr, 4004 NULL 4005}; 4006 4007static struct attribute_group spic_attribute_group = { 4008 .attrs = spic_attributes 4009}; 4010 4011/******** SONYPI compatibility **********/ 4012#ifdef CONFIG_SONYPI_COMPAT 4013 4014/* battery / brightness / temperature addresses */ 4015#define SONYPI_BAT_FLAGS 0x81 4016#define SONYPI_LCD_LIGHT 0x96 4017#define SONYPI_BAT1_PCTRM 0xa0 4018#define SONYPI_BAT1_LEFT 0xa2 4019#define SONYPI_BAT1_MAXRT 0xa4 4020#define SONYPI_BAT2_PCTRM 0xa8 4021#define SONYPI_BAT2_LEFT 0xaa 4022#define SONYPI_BAT2_MAXRT 0xac 4023#define SONYPI_BAT1_MAXTK 0xb0 4024#define SONYPI_BAT1_FULL 0xb2 4025#define SONYPI_BAT2_MAXTK 0xb8 4026#define SONYPI_BAT2_FULL 0xba 4027#define SONYPI_TEMP_STATUS 0xC1 4028 4029struct sonypi_compat_s { 4030 struct fasync_struct *fifo_async; 4031 struct kfifo fifo; 4032 spinlock_t fifo_lock; 4033 wait_queue_head_t fifo_proc_list; 4034 atomic_t open_count; 4035}; 4036static struct sonypi_compat_s sonypi_compat = { 4037 .open_count = ATOMIC_INIT(0), 4038}; 4039 4040static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4041{ 4042 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4043} 4044 4045static int sonypi_misc_release(struct inode *inode, struct file *file) 4046{ 4047 atomic_dec(&sonypi_compat.open_count); 4048 return 0; 4049} 4050 4051static int sonypi_misc_open(struct inode *inode, struct file *file) 4052{ 4053 /* Flush input queue on first open */ 4054 unsigned long flags; 4055 4056 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4057 4058 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4059 kfifo_reset(&sonypi_compat.fifo); 4060 4061 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4062 4063 return 0; 4064} 4065 4066static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4067 size_t count, loff_t *pos) 4068{ 4069 ssize_t ret; 4070 unsigned char c; 4071 4072 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4073 (file->f_flags & O_NONBLOCK)) 4074 return -EAGAIN; 4075 4076 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4077 kfifo_len(&sonypi_compat.fifo) != 0); 4078 if (ret) 4079 return ret; 4080 4081 while (ret < count && 4082 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4083 &sonypi_compat.fifo_lock) == sizeof(c))) { 4084 if (put_user(c, buf++)) 4085 return -EFAULT; 4086 ret++; 4087 } 4088 4089 if (ret > 0) { 4090 struct inode *inode = file_inode(file); 4091 inode->i_atime = current_fs_time(inode->i_sb); 4092 } 4093 4094 return ret; 4095} 4096 4097static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 4098{ 4099 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4100 if (kfifo_len(&sonypi_compat.fifo)) 4101 return POLLIN | POLLRDNORM; 4102 return 0; 4103} 4104 4105static int ec_read16(u8 addr, u16 *value) 4106{ 4107 u8 val_lb, val_hb; 4108 if (ec_read(addr, &val_lb)) 4109 return -1; 4110 if (ec_read(addr + 1, &val_hb)) 4111 return -1; 4112 *value = val_lb | (val_hb << 8); 4113 return 0; 4114} 4115 4116static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4117 unsigned long arg) 4118{ 4119 int ret = 0; 4120 void __user *argp = (void __user *)arg; 4121 u8 val8; 4122 u16 val16; 4123 int value; 4124 4125 mutex_lock(&spic_dev.lock); 4126 switch (cmd) { 4127 case SONYPI_IOCGBRT: 4128 if (sony_bl_props.dev == NULL) { 4129 ret = -EIO; 4130 break; 4131 } 4132 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4133 &value)) { 4134 ret = -EIO; 4135 break; 4136 } 4137 val8 = ((value & 0xff) - 1) << 5; 4138 if (copy_to_user(argp, &val8, sizeof(val8))) 4139 ret = -EFAULT; 4140 break; 4141 case SONYPI_IOCSBRT: 4142 if (sony_bl_props.dev == NULL) { 4143 ret = -EIO; 4144 break; 4145 } 4146 if (copy_from_user(&val8, argp, sizeof(val8))) { 4147 ret = -EFAULT; 4148 break; 4149 } 4150 value = (val8 >> 5) + 1; 4151 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4152 NULL)) { 4153 ret = -EIO; 4154 break; 4155 } 4156 /* sync the backlight device status */ 4157 sony_bl_props.dev->props.brightness = 4158 sony_backlight_get_brightness(sony_bl_props.dev); 4159 break; 4160 case SONYPI_IOCGBAT1CAP: 4161 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4162 ret = -EIO; 4163 break; 4164 } 4165 if (copy_to_user(argp, &val16, sizeof(val16))) 4166 ret = -EFAULT; 4167 break; 4168 case SONYPI_IOCGBAT1REM: 4169 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4170 ret = -EIO; 4171 break; 4172 } 4173 if (copy_to_user(argp, &val16, sizeof(val16))) 4174 ret = -EFAULT; 4175 break; 4176 case SONYPI_IOCGBAT2CAP: 4177 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4178 ret = -EIO; 4179 break; 4180 } 4181 if (copy_to_user(argp, &val16, sizeof(val16))) 4182 ret = -EFAULT; 4183 break; 4184 case SONYPI_IOCGBAT2REM: 4185 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4186 ret = -EIO; 4187 break; 4188 } 4189 if (copy_to_user(argp, &val16, sizeof(val16))) 4190 ret = -EFAULT; 4191 break; 4192 case SONYPI_IOCGBATFLAGS: 4193 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4194 ret = -EIO; 4195 break; 4196 } 4197 val8 &= 0x07; 4198 if (copy_to_user(argp, &val8, sizeof(val8))) 4199 ret = -EFAULT; 4200 break; 4201 case SONYPI_IOCGBLUE: 4202 val8 = spic_dev.bluetooth_power; 4203 if (copy_to_user(argp, &val8, sizeof(val8))) 4204 ret = -EFAULT; 4205 break; 4206 case SONYPI_IOCSBLUE: 4207 if (copy_from_user(&val8, argp, sizeof(val8))) { 4208 ret = -EFAULT; 4209 break; 4210 } 4211 __sony_pic_set_bluetoothpower(val8); 4212 break; 4213 /* FAN Controls */ 4214 case SONYPI_IOCGFAN: 4215 if (sony_pic_get_fanspeed(&val8)) { 4216 ret = -EIO; 4217 break; 4218 } 4219 if (copy_to_user(argp, &val8, sizeof(val8))) 4220 ret = -EFAULT; 4221 break; 4222 case SONYPI_IOCSFAN: 4223 if (copy_from_user(&val8, argp, sizeof(val8))) { 4224 ret = -EFAULT; 4225 break; 4226 } 4227 if (sony_pic_set_fanspeed(val8)) 4228 ret = -EIO; 4229 break; 4230 /* GET Temperature (useful under APM) */ 4231 case SONYPI_IOCGTEMP: 4232 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4233 ret = -EIO; 4234 break; 4235 } 4236 if (copy_to_user(argp, &val8, sizeof(val8))) 4237 ret = -EFAULT; 4238 break; 4239 default: 4240 ret = -EINVAL; 4241 } 4242 mutex_unlock(&spic_dev.lock); 4243 return ret; 4244} 4245 4246static const struct file_operations sonypi_misc_fops = { 4247 .owner = THIS_MODULE, 4248 .read = sonypi_misc_read, 4249 .poll = sonypi_misc_poll, 4250 .open = sonypi_misc_open, 4251 .release = sonypi_misc_release, 4252 .fasync = sonypi_misc_fasync, 4253 .unlocked_ioctl = sonypi_misc_ioctl, 4254 .llseek = noop_llseek, 4255}; 4256 4257static struct miscdevice sonypi_misc_device = { 4258 .minor = MISC_DYNAMIC_MINOR, 4259 .name = "sonypi", 4260 .fops = &sonypi_misc_fops, 4261}; 4262 4263static void sonypi_compat_report_event(u8 event) 4264{ 4265 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4266 sizeof(event), &sonypi_compat.fifo_lock); 4267 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4268 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4269} 4270 4271static int sonypi_compat_init(void) 4272{ 4273 int error; 4274 4275 spin_lock_init(&sonypi_compat.fifo_lock); 4276 error = 4277 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4278 if (error) { 4279 pr_err("kfifo_alloc failed\n"); 4280 return error; 4281 } 4282 4283 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4284 4285 if (minor != -1) 4286 sonypi_misc_device.minor = minor; 4287 error = misc_register(&sonypi_misc_device); 4288 if (error) { 4289 pr_err("misc_register failed\n"); 4290 goto err_free_kfifo; 4291 } 4292 if (minor == -1) 4293 pr_info("device allocated minor is %d\n", 4294 sonypi_misc_device.minor); 4295 4296 return 0; 4297 4298err_free_kfifo: 4299 kfifo_free(&sonypi_compat.fifo); 4300 return error; 4301} 4302 4303static void sonypi_compat_exit(void) 4304{ 4305 misc_deregister(&sonypi_misc_device); 4306 kfifo_free(&sonypi_compat.fifo); 4307} 4308#else 4309static int sonypi_compat_init(void) { return 0; } 4310static void sonypi_compat_exit(void) { } 4311static void sonypi_compat_report_event(u8 event) { } 4312#endif /* CONFIG_SONYPI_COMPAT */ 4313 4314/* 4315 * ACPI callbacks 4316 */ 4317static acpi_status 4318sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4319{ 4320 u32 i; 4321 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4322 4323 switch (resource->type) { 4324 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4325 { 4326 /* start IO enumeration */ 4327 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4328 if (!ioport) 4329 return AE_ERROR; 4330 4331 list_add(&ioport->list, &dev->ioports); 4332 return AE_OK; 4333 } 4334 4335 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4336 /* end IO enumeration */ 4337 return AE_OK; 4338 4339 case ACPI_RESOURCE_TYPE_IRQ: 4340 { 4341 struct acpi_resource_irq *p = &resource->data.irq; 4342 struct sony_pic_irq *interrupt = NULL; 4343 if (!p || !p->interrupt_count) { 4344 /* 4345 * IRQ descriptors may have no IRQ# bits set, 4346 * particularly those those w/ _STA disabled 4347 */ 4348 dprintk("Blank IRQ resource\n"); 4349 return AE_OK; 4350 } 4351 for (i = 0; i < p->interrupt_count; i++) { 4352 if (!p->interrupts[i]) { 4353 pr_warn("Invalid IRQ %d\n", 4354 p->interrupts[i]); 4355 continue; 4356 } 4357 interrupt = kzalloc(sizeof(*interrupt), 4358 GFP_KERNEL); 4359 if (!interrupt) 4360 return AE_ERROR; 4361 4362 list_add(&interrupt->list, &dev->interrupts); 4363 interrupt->irq.triggering = p->triggering; 4364 interrupt->irq.polarity = p->polarity; 4365 interrupt->irq.sharable = p->sharable; 4366 interrupt->irq.interrupt_count = 1; 4367 interrupt->irq.interrupts[0] = p->interrupts[i]; 4368 } 4369 return AE_OK; 4370 } 4371 case ACPI_RESOURCE_TYPE_IO: 4372 { 4373 struct acpi_resource_io *io = &resource->data.io; 4374 struct sony_pic_ioport *ioport = 4375 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4376 if (!io) { 4377 dprintk("Blank IO resource\n"); 4378 return AE_OK; 4379 } 4380 4381 if (!ioport->io1.minimum) { 4382 memcpy(&ioport->io1, io, sizeof(*io)); 4383 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4384 ioport->io1.address_length); 4385 } 4386 else if (!ioport->io2.minimum) { 4387 memcpy(&ioport->io2, io, sizeof(*io)); 4388 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4389 ioport->io2.address_length); 4390 } 4391 else { 4392 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4393 return AE_ERROR; 4394 } 4395 return AE_OK; 4396 } 4397 default: 4398 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4399 resource->type); 4400 4401 case ACPI_RESOURCE_TYPE_END_TAG: 4402 return AE_OK; 4403 } 4404 return AE_CTRL_TERMINATE; 4405} 4406 4407static int sony_pic_possible_resources(struct acpi_device *device) 4408{ 4409 int result = 0; 4410 acpi_status status = AE_OK; 4411 4412 if (!device) 4413 return -EINVAL; 4414 4415 /* get device status */ 4416 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4417 dprintk("Evaluating _STA\n"); 4418 result = acpi_bus_get_status(device); 4419 if (result) { 4420 pr_warn("Unable to read status\n"); 4421 goto end; 4422 } 4423 4424 if (!device->status.enabled) 4425 dprintk("Device disabled\n"); 4426 else 4427 dprintk("Device enabled\n"); 4428 4429 /* 4430 * Query and parse 'method' 4431 */ 4432 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4433 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4434 sony_pic_read_possible_resource, &spic_dev); 4435 if (ACPI_FAILURE(status)) { 4436 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4437 result = -ENODEV; 4438 } 4439end: 4440 return result; 4441} 4442 4443/* 4444 * Disable the spic device by calling its _DIS method 4445 */ 4446static int sony_pic_disable(struct acpi_device *device) 4447{ 4448 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4449 NULL); 4450 4451 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4452 return -ENXIO; 4453 4454 dprintk("Device disabled\n"); 4455 return 0; 4456} 4457 4458 4459/* 4460 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4461 * 4462 * Call _SRS to set current resources 4463 */ 4464static int sony_pic_enable(struct acpi_device *device, 4465 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4466{ 4467 acpi_status status; 4468 int result = 0; 4469 /* Type 1 resource layout is: 4470 * IO 4471 * IO 4472 * IRQNoFlags 4473 * End 4474 * 4475 * Type 2 and 3 resource layout is: 4476 * IO 4477 * IRQNoFlags 4478 * End 4479 */ 4480 struct { 4481 struct acpi_resource res1; 4482 struct acpi_resource res2; 4483 struct acpi_resource res3; 4484 struct acpi_resource res4; 4485 } *resource; 4486 struct acpi_buffer buffer = { 0, NULL }; 4487 4488 if (!ioport || !irq) 4489 return -EINVAL; 4490 4491 /* init acpi_buffer */ 4492 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4493 if (!resource) 4494 return -ENOMEM; 4495 4496 buffer.length = sizeof(*resource) + 1; 4497 buffer.pointer = resource; 4498 4499 /* setup Type 1 resources */ 4500 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4501 4502 /* setup io resources */ 4503 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4504 resource->res1.length = sizeof(struct acpi_resource); 4505 memcpy(&resource->res1.data.io, &ioport->io1, 4506 sizeof(struct acpi_resource_io)); 4507 4508 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4509 resource->res2.length = sizeof(struct acpi_resource); 4510 memcpy(&resource->res2.data.io, &ioport->io2, 4511 sizeof(struct acpi_resource_io)); 4512 4513 /* setup irq resource */ 4514 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4515 resource->res3.length = sizeof(struct acpi_resource); 4516 memcpy(&resource->res3.data.irq, &irq->irq, 4517 sizeof(struct acpi_resource_irq)); 4518 /* we requested a shared irq */ 4519 resource->res3.data.irq.sharable = ACPI_SHARED; 4520 4521 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4522 resource->res4.length = sizeof(struct acpi_resource); 4523 } 4524 /* setup Type 2/3 resources */ 4525 else { 4526 /* setup io resource */ 4527 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4528 resource->res1.length = sizeof(struct acpi_resource); 4529 memcpy(&resource->res1.data.io, &ioport->io1, 4530 sizeof(struct acpi_resource_io)); 4531 4532 /* setup irq resource */ 4533 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4534 resource->res2.length = sizeof(struct acpi_resource); 4535 memcpy(&resource->res2.data.irq, &irq->irq, 4536 sizeof(struct acpi_resource_irq)); 4537 /* we requested a shared irq */ 4538 resource->res2.data.irq.sharable = ACPI_SHARED; 4539 4540 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4541 resource->res3.length = sizeof(struct acpi_resource); 4542 } 4543 4544 /* Attempt to set the resource */ 4545 dprintk("Evaluating _SRS\n"); 4546 status = acpi_set_current_resources(device->handle, &buffer); 4547 4548 /* check for total failure */ 4549 if (ACPI_FAILURE(status)) { 4550 pr_err("Error evaluating _SRS\n"); 4551 result = -ENODEV; 4552 goto end; 4553 } 4554 4555 /* Necessary device initializations calls (from sonypi) */ 4556 sony_pic_call1(0x82); 4557 sony_pic_call2(0x81, 0xff); 4558 sony_pic_call1(compat ? 0x92 : 0x82); 4559 4560end: 4561 kfree(resource); 4562 return result; 4563} 4564 4565/***************** 4566 * 4567 * ISR: some event is available 4568 * 4569 *****************/ 4570static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4571{ 4572 int i, j; 4573 u8 ev = 0; 4574 u8 data_mask = 0; 4575 u8 device_event = 0; 4576 4577 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4578 4579 ev = inb_p(dev->cur_ioport->io1.minimum); 4580 if (dev->cur_ioport->io2.minimum) 4581 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4582 else 4583 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4584 dev->evport_offset); 4585 4586 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4587 ev, data_mask, dev->cur_ioport->io1.minimum, 4588 dev->evport_offset); 4589 4590 if (ev == 0x00 || ev == 0xff) 4591 return IRQ_HANDLED; 4592 4593 for (i = 0; dev->event_types[i].mask; i++) { 4594 4595 if ((data_mask & dev->event_types[i].data) != 4596 dev->event_types[i].data) 4597 continue; 4598 4599 if (!(mask & dev->event_types[i].mask)) 4600 continue; 4601 4602 for (j = 0; dev->event_types[i].events[j].event; j++) { 4603 if (ev == dev->event_types[i].events[j].data) { 4604 device_event = 4605 dev->event_types[i].events[j].event; 4606 /* some events may require ignoring */ 4607 if (!device_event) 4608 return IRQ_HANDLED; 4609 goto found; 4610 } 4611 } 4612 } 4613 /* Still not able to decode the event try to pass 4614 * it over to the minidriver 4615 */ 4616 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4617 return IRQ_HANDLED; 4618 4619 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4620 ev, data_mask, dev->cur_ioport->io1.minimum, 4621 dev->evport_offset); 4622 return IRQ_HANDLED; 4623 4624found: 4625 sony_laptop_report_input_event(device_event); 4626 sonypi_compat_report_event(device_event); 4627 return IRQ_HANDLED; 4628} 4629 4630/***************** 4631 * 4632 * ACPI driver 4633 * 4634 *****************/ 4635static int sony_pic_remove(struct acpi_device *device) 4636{ 4637 struct sony_pic_ioport *io, *tmp_io; 4638 struct sony_pic_irq *irq, *tmp_irq; 4639 4640 if (sony_pic_disable(device)) { 4641 pr_err("Couldn't disable device\n"); 4642 return -ENXIO; 4643 } 4644 4645 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4646 release_region(spic_dev.cur_ioport->io1.minimum, 4647 spic_dev.cur_ioport->io1.address_length); 4648 if (spic_dev.cur_ioport->io2.minimum) 4649 release_region(spic_dev.cur_ioport->io2.minimum, 4650 spic_dev.cur_ioport->io2.address_length); 4651 4652 sonypi_compat_exit(); 4653 4654 sony_laptop_remove_input(); 4655 4656 /* pf attrs */ 4657 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4658 sony_pf_remove(); 4659 4660 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4661 list_del(&io->list); 4662 kfree(io); 4663 } 4664 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4665 list_del(&irq->list); 4666 kfree(irq); 4667 } 4668 spic_dev.cur_ioport = NULL; 4669 spic_dev.cur_irq = NULL; 4670 4671 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4672 return 0; 4673} 4674 4675static int sony_pic_add(struct acpi_device *device) 4676{ 4677 int result; 4678 struct sony_pic_ioport *io, *tmp_io; 4679 struct sony_pic_irq *irq, *tmp_irq; 4680 4681 spic_dev.acpi_dev = device; 4682 strcpy(acpi_device_class(device), "sony/hotkey"); 4683 sony_pic_detect_device_type(&spic_dev); 4684 mutex_init(&spic_dev.lock); 4685 4686 /* read _PRS resources */ 4687 result = sony_pic_possible_resources(device); 4688 if (result) { 4689 pr_err("Unable to read possible resources\n"); 4690 goto err_free_resources; 4691 } 4692 4693 /* setup input devices and helper fifo */ 4694 result = sony_laptop_setup_input(device); 4695 if (result) { 4696 pr_err("Unable to create input devices\n"); 4697 goto err_free_resources; 4698 } 4699 4700 result = sonypi_compat_init(); 4701 if (result) 4702 goto err_remove_input; 4703 4704 /* request io port */ 4705 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4706 if (request_region(io->io1.minimum, io->io1.address_length, 4707 "Sony Programmable I/O Device")) { 4708 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4709 io->io1.minimum, io->io1.maximum, 4710 io->io1.address_length); 4711 /* Type 1 have 2 ioports */ 4712 if (io->io2.minimum) { 4713 if (request_region(io->io2.minimum, 4714 io->io2.address_length, 4715 "Sony Programmable I/O Device")) { 4716 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4717 io->io2.minimum, io->io2.maximum, 4718 io->io2.address_length); 4719 spic_dev.cur_ioport = io; 4720 break; 4721 } 4722 else { 4723 dprintk("Unable to get I/O port2: " 4724 "0x%.4x (0x%.4x) + 0x%.2x\n", 4725 io->io2.minimum, io->io2.maximum, 4726 io->io2.address_length); 4727 release_region(io->io1.minimum, 4728 io->io1.address_length); 4729 } 4730 } 4731 else { 4732 spic_dev.cur_ioport = io; 4733 break; 4734 } 4735 } 4736 } 4737 if (!spic_dev.cur_ioport) { 4738 pr_err("Failed to request_region\n"); 4739 result = -ENODEV; 4740 goto err_remove_compat; 4741 } 4742 4743 /* request IRQ */ 4744 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4745 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4746 0, "sony-laptop", &spic_dev)) { 4747 dprintk("IRQ: %d - triggering: %d - " 4748 "polarity: %d - shr: %d\n", 4749 irq->irq.interrupts[0], 4750 irq->irq.triggering, 4751 irq->irq.polarity, 4752 irq->irq.sharable); 4753 spic_dev.cur_irq = irq; 4754 break; 4755 } 4756 } 4757 if (!spic_dev.cur_irq) { 4758 pr_err("Failed to request_irq\n"); 4759 result = -ENODEV; 4760 goto err_release_region; 4761 } 4762 4763 /* set resource status _SRS */ 4764 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4765 if (result) { 4766 pr_err("Couldn't enable device\n"); 4767 goto err_free_irq; 4768 } 4769 4770 spic_dev.bluetooth_power = -1; 4771 /* create device attributes */ 4772 result = sony_pf_add(); 4773 if (result) 4774 goto err_disable_device; 4775 4776 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4777 if (result) 4778 goto err_remove_pf; 4779 4780 pr_info("SPIC setup done.\n"); 4781 return 0; 4782 4783err_remove_pf: 4784 sony_pf_remove(); 4785 4786err_disable_device: 4787 sony_pic_disable(device); 4788 4789err_free_irq: 4790 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4791 4792err_release_region: 4793 release_region(spic_dev.cur_ioport->io1.minimum, 4794 spic_dev.cur_ioport->io1.address_length); 4795 if (spic_dev.cur_ioport->io2.minimum) 4796 release_region(spic_dev.cur_ioport->io2.minimum, 4797 spic_dev.cur_ioport->io2.address_length); 4798 4799err_remove_compat: 4800 sonypi_compat_exit(); 4801 4802err_remove_input: 4803 sony_laptop_remove_input(); 4804 4805err_free_resources: 4806 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4807 list_del(&io->list); 4808 kfree(io); 4809 } 4810 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4811 list_del(&irq->list); 4812 kfree(irq); 4813 } 4814 spic_dev.cur_ioport = NULL; 4815 spic_dev.cur_irq = NULL; 4816 4817 return result; 4818} 4819 4820#ifdef CONFIG_PM_SLEEP 4821static int sony_pic_suspend(struct device *dev) 4822{ 4823 if (sony_pic_disable(to_acpi_device(dev))) 4824 return -ENXIO; 4825 return 0; 4826} 4827 4828static int sony_pic_resume(struct device *dev) 4829{ 4830 sony_pic_enable(to_acpi_device(dev), 4831 spic_dev.cur_ioport, spic_dev.cur_irq); 4832 return 0; 4833} 4834#endif 4835 4836static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4837 4838static const struct acpi_device_id sony_pic_device_ids[] = { 4839 {SONY_PIC_HID, 0}, 4840 {"", 0}, 4841}; 4842 4843static struct acpi_driver sony_pic_driver = { 4844 .name = SONY_PIC_DRIVER_NAME, 4845 .class = SONY_PIC_CLASS, 4846 .ids = sony_pic_device_ids, 4847 .owner = THIS_MODULE, 4848 .ops = { 4849 .add = sony_pic_add, 4850 .remove = sony_pic_remove, 4851 }, 4852 .drv.pm = &sony_pic_pm, 4853}; 4854 4855static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4856 { 4857 .ident = "Sony Vaio", 4858 .matches = { 4859 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4860 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4861 }, 4862 }, 4863 { 4864 .ident = "Sony Vaio", 4865 .matches = { 4866 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4867 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4868 }, 4869 }, 4870 { } 4871}; 4872 4873static int __init sony_laptop_init(void) 4874{ 4875 int result; 4876 4877 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4878 result = acpi_bus_register_driver(&sony_pic_driver); 4879 if (result) { 4880 pr_err("Unable to register SPIC driver\n"); 4881 goto out; 4882 } 4883 spic_drv_registered = 1; 4884 } 4885 4886 result = acpi_bus_register_driver(&sony_nc_driver); 4887 if (result) { 4888 pr_err("Unable to register SNC driver\n"); 4889 goto out_unregister_pic; 4890 } 4891 4892 return 0; 4893 4894out_unregister_pic: 4895 if (spic_drv_registered) 4896 acpi_bus_unregister_driver(&sony_pic_driver); 4897out: 4898 return result; 4899} 4900 4901static void __exit sony_laptop_exit(void) 4902{ 4903 acpi_bus_unregister_driver(&sony_nc_driver); 4904 if (spic_drv_registered) 4905 acpi_bus_unregister_driver(&sony_pic_driver); 4906} 4907 4908module_init(sony_laptop_init); 4909module_exit(sony_laptop_exit); 4910