1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * ACPI Sony Notebook Control Driver (SNC and SPIC) 4 * 5 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 6 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 7 * 8 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 9 * which are copyrighted by their respective authors. 10 * 11 * The SNY6001 driver part is based on the sonypi driver which includes 12 * material from: 13 * 14 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 15 * 16 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 17 * 18 * Copyright (C) 2001-2002 Alc��ve <www.alcove.com> 19 * 20 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 21 * 22 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 23 * 24 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 25 * 26 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 27 * 28 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 29 */ 30 31#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 32 33#include <linux/kernel.h> 34#include <linux/module.h> 35#include <linux/moduleparam.h> 36#include <linux/init.h> 37#include <linux/types.h> 38#include <linux/backlight.h> 39#include <linux/platform_device.h> 40#include <linux/err.h> 41#include <linux/dmi.h> 42#include <linux/pci.h> 43#include <linux/interrupt.h> 44#include <linux/delay.h> 45#include <linux/input.h> 46#include <linux/kfifo.h> 47#include <linux/workqueue.h> 48#include <linux/acpi.h> 49#include <linux/slab.h> 50#include <linux/sonypi.h> 51#include <linux/sony-laptop.h> 52#include <linux/rfkill.h> 53#ifdef CONFIG_SONYPI_COMPAT 54#include <linux/poll.h> 55#include <linux/miscdevice.h> 56#endif 57#include <linux/uaccess.h> 58#include <acpi/video.h> 59 60#define dprintk(fmt, ...) \ 61do { \ 62 if (debug) \ 63 pr_warn(fmt, ##__VA_ARGS__); \ 64} while (0) 65 66#define SONY_NC_CLASS "sony-nc" 67#define SONY_NC_HID "SNY5001" 68#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 69 70#define SONY_PIC_CLASS "sony-pic" 71#define SONY_PIC_HID "SNY6001" 72#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 73 74MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 75MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 76MODULE_LICENSE("GPL"); 77 78static int debug; 79module_param(debug, int, 0); 80MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 81 "the development of this driver"); 82 83static int no_spic; /* = 0 */ 84module_param(no_spic, int, 0444); 85MODULE_PARM_DESC(no_spic, 86 "set this if you don't want to enable the SPIC device"); 87 88static int compat; /* = 0 */ 89module_param(compat, int, 0444); 90MODULE_PARM_DESC(compat, 91 "set this if you want to enable backward compatibility mode"); 92 93static unsigned long mask = 0xffffffff; 94module_param(mask, ulong, 0644); 95MODULE_PARM_DESC(mask, 96 "set this to the mask of event you want to enable (see doc)"); 97 98static int camera; /* = 0 */ 99module_param(camera, int, 0444); 100MODULE_PARM_DESC(camera, 101 "set this to 1 to enable Motion Eye camera controls " 102 "(only use it if you have a C1VE or C1VN model)"); 103 104#ifdef CONFIG_SONYPI_COMPAT 105static int minor = -1; 106module_param(minor, int, 0); 107MODULE_PARM_DESC(minor, 108 "minor number of the misc device for the SPIC compatibility code, " 109 "default is -1 (automatic)"); 110#endif 111 112static int kbd_backlight = -1; 113module_param(kbd_backlight, int, 0444); 114MODULE_PARM_DESC(kbd_backlight, 115 "set this to 0 to disable keyboard backlight, " 116 "1 to enable it with automatic control and 2 to have it always " 117 "on (default: no change from current value)"); 118 119static int kbd_backlight_timeout = -1; 120module_param(kbd_backlight_timeout, int, 0444); 121MODULE_PARM_DESC(kbd_backlight_timeout, 122 "meaningful values vary from 0 to 3 and their meaning depends " 123 "on the model (default: no change from current value)"); 124 125#ifdef CONFIG_PM_SLEEP 126static void sony_nc_thermal_resume(void); 127#endif 128static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 129 unsigned int handle); 130static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 131 unsigned int handle); 132 133static int sony_nc_battery_care_setup(struct platform_device *pd, 134 unsigned int handle); 135static void sony_nc_battery_care_cleanup(struct platform_device *pd); 136 137static int sony_nc_thermal_setup(struct platform_device *pd); 138static void sony_nc_thermal_cleanup(struct platform_device *pd); 139 140static int sony_nc_lid_resume_setup(struct platform_device *pd, 141 unsigned int handle); 142static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 143 144static int sony_nc_gfx_switch_setup(struct platform_device *pd, 145 unsigned int handle); 146static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 147static int __sony_nc_gfx_switch_status_get(void); 148 149static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 150static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 151 152static int sony_nc_lowbatt_setup(struct platform_device *pd); 153static void sony_nc_lowbatt_cleanup(struct platform_device *pd); 154 155static int sony_nc_fanspeed_setup(struct platform_device *pd); 156static void sony_nc_fanspeed_cleanup(struct platform_device *pd); 157 158static int sony_nc_usb_charge_setup(struct platform_device *pd); 159static void sony_nc_usb_charge_cleanup(struct platform_device *pd); 160 161static int sony_nc_panelid_setup(struct platform_device *pd); 162static void sony_nc_panelid_cleanup(struct platform_device *pd); 163 164static int sony_nc_smart_conn_setup(struct platform_device *pd); 165static void sony_nc_smart_conn_cleanup(struct platform_device *pd); 166 167static int sony_nc_touchpad_setup(struct platform_device *pd, 168 unsigned int handle); 169static void sony_nc_touchpad_cleanup(struct platform_device *pd); 170 171enum sony_nc_rfkill { 172 SONY_WIFI, 173 SONY_BLUETOOTH, 174 SONY_WWAN, 175 SONY_WIMAX, 176 N_SONY_RFKILL, 177}; 178 179static int sony_rfkill_handle; 180static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 181static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 182static int sony_nc_rfkill_setup(struct acpi_device *device, 183 unsigned int handle); 184static void sony_nc_rfkill_cleanup(void); 185static void sony_nc_rfkill_update(void); 186 187/*********** Input Devices ***********/ 188 189#define SONY_LAPTOP_BUF_SIZE 128 190struct sony_laptop_input_s { 191 atomic_t users; 192 struct input_dev *jog_dev; 193 struct input_dev *key_dev; 194 struct kfifo fifo; 195 spinlock_t fifo_lock; 196 struct timer_list release_key_timer; 197}; 198 199static struct sony_laptop_input_s sony_laptop_input = { 200 .users = ATOMIC_INIT(0), 201}; 202 203struct sony_laptop_keypress { 204 struct input_dev *dev; 205 int key; 206}; 207 208/* Correspondance table between sonypi events 209 * and input layer indexes in the keymap 210 */ 211static const int sony_laptop_input_index[] = { 212 -1, /* 0 no event */ 213 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 214 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 215 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 216 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 217 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 218 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 219 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 220 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 221 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 222 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 223 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 224 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 225 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 226 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 227 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 228 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 229 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 230 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 231 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 232 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 233 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 234 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 235 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 236 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 237 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 238 19, /* 26 SONYPI_EVENT_FNKEY_D */ 239 20, /* 27 SONYPI_EVENT_FNKEY_E */ 240 21, /* 28 SONYPI_EVENT_FNKEY_F */ 241 22, /* 29 SONYPI_EVENT_FNKEY_S */ 242 23, /* 30 SONYPI_EVENT_FNKEY_B */ 243 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 244 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 245 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 246 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 247 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 248 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 249 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 250 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 251 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 252 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 253 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 254 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 255 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 256 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 257 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 258 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 259 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 260 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 261 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 262 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 263 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 264 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 265 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 266 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 267 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 268 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 269 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 270 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 271 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 272 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 273 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 274 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 275 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 276 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 277 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 278 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 279 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 280 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 281 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 282 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 283 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 284 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 285 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 286}; 287 288static int sony_laptop_input_keycode_map[] = { 289 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 290 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 291 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 292 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 293 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 294 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 295 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 296 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 297 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 298 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 299 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 300 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 301 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 302 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 303 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 304 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 305 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 306 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 307 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 308 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 309 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 310 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 311 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 312 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 313 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 314 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 315 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 316 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 317 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 318 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 319 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 320 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 321 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 322 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 323 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 324 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 325 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 326 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 327 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 328 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 329 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 330 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 331 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 332 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 333 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 334 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 335 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 336 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 337 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 338 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 339 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 340 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 341 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 342 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 343 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 344 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 345 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 346 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 347 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 348 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 349}; 350 351/* release buttons after a short delay if pressed */ 352static void do_sony_laptop_release_key(struct timer_list *unused) 353{ 354 struct sony_laptop_keypress kp; 355 unsigned long flags; 356 357 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 358 359 if (kfifo_out(&sony_laptop_input.fifo, 360 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 361 input_report_key(kp.dev, kp.key, 0); 362 input_sync(kp.dev); 363 } 364 365 /* If there is something in the fifo schedule next release. */ 366 if (kfifo_len(&sony_laptop_input.fifo) != 0) 367 mod_timer(&sony_laptop_input.release_key_timer, 368 jiffies + msecs_to_jiffies(10)); 369 370 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 371} 372 373/* forward event to the input subsystem */ 374static void sony_laptop_report_input_event(u8 event) 375{ 376 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 377 struct input_dev *key_dev = sony_laptop_input.key_dev; 378 struct sony_laptop_keypress kp = { NULL }; 379 int scancode = -1; 380 381 if (event == SONYPI_EVENT_FNKEY_RELEASED || 382 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 383 /* Nothing, not all VAIOs generate this event */ 384 return; 385 } 386 387 /* report events */ 388 switch (event) { 389 /* jog_dev events */ 390 case SONYPI_EVENT_JOGDIAL_UP: 391 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 392 input_report_rel(jog_dev, REL_WHEEL, 1); 393 input_sync(jog_dev); 394 return; 395 396 case SONYPI_EVENT_JOGDIAL_DOWN: 397 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 398 input_report_rel(jog_dev, REL_WHEEL, -1); 399 input_sync(jog_dev); 400 return; 401 402 /* key_dev events */ 403 case SONYPI_EVENT_JOGDIAL_PRESSED: 404 kp.key = BTN_MIDDLE; 405 kp.dev = jog_dev; 406 break; 407 408 default: 409 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 410 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 411 break; 412 } 413 if ((scancode = sony_laptop_input_index[event]) != -1) { 414 kp.key = sony_laptop_input_keycode_map[scancode]; 415 if (kp.key != KEY_UNKNOWN) 416 kp.dev = key_dev; 417 } 418 break; 419 } 420 421 if (kp.dev) { 422 /* if we have a scancode we emit it so we can always 423 remap the key */ 424 if (scancode != -1) 425 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 426 input_report_key(kp.dev, kp.key, 1); 427 input_sync(kp.dev); 428 429 /* schedule key release */ 430 kfifo_in_locked(&sony_laptop_input.fifo, 431 (unsigned char *)&kp, sizeof(kp), 432 &sony_laptop_input.fifo_lock); 433 mod_timer(&sony_laptop_input.release_key_timer, 434 jiffies + msecs_to_jiffies(10)); 435 } else 436 dprintk("unknown input event %.2x\n", event); 437} 438 439static int sony_laptop_setup_input(struct acpi_device *acpi_device) 440{ 441 struct input_dev *jog_dev; 442 struct input_dev *key_dev; 443 int i; 444 int error; 445 446 /* don't run again if already initialized */ 447 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 448 return 0; 449 450 /* kfifo */ 451 spin_lock_init(&sony_laptop_input.fifo_lock); 452 error = kfifo_alloc(&sony_laptop_input.fifo, 453 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 454 if (error) { 455 pr_err("kfifo_alloc failed\n"); 456 goto err_dec_users; 457 } 458 459 timer_setup(&sony_laptop_input.release_key_timer, 460 do_sony_laptop_release_key, 0); 461 462 /* input keys */ 463 key_dev = input_allocate_device(); 464 if (!key_dev) { 465 error = -ENOMEM; 466 goto err_free_kfifo; 467 } 468 469 key_dev->name = "Sony Vaio Keys"; 470 key_dev->id.bustype = BUS_ISA; 471 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 472 key_dev->dev.parent = &acpi_device->dev; 473 474 /* Initialize the Input Drivers: special keys */ 475 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 476 477 __set_bit(EV_KEY, key_dev->evbit); 478 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 479 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 480 key_dev->keycode = &sony_laptop_input_keycode_map; 481 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 482 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 483 __clear_bit(KEY_RESERVED, key_dev->keybit); 484 485 error = input_register_device(key_dev); 486 if (error) 487 goto err_free_keydev; 488 489 sony_laptop_input.key_dev = key_dev; 490 491 /* jogdial */ 492 jog_dev = input_allocate_device(); 493 if (!jog_dev) { 494 error = -ENOMEM; 495 goto err_unregister_keydev; 496 } 497 498 jog_dev->name = "Sony Vaio Jogdial"; 499 jog_dev->id.bustype = BUS_ISA; 500 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 501 jog_dev->dev.parent = &acpi_device->dev; 502 503 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 504 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 505 506 error = input_register_device(jog_dev); 507 if (error) 508 goto err_free_jogdev; 509 510 sony_laptop_input.jog_dev = jog_dev; 511 512 return 0; 513 514err_free_jogdev: 515 input_free_device(jog_dev); 516 517err_unregister_keydev: 518 input_unregister_device(key_dev); 519 /* to avoid kref underflow below at input_free_device */ 520 key_dev = NULL; 521 522err_free_keydev: 523 input_free_device(key_dev); 524 525err_free_kfifo: 526 kfifo_free(&sony_laptop_input.fifo); 527 528err_dec_users: 529 atomic_dec(&sony_laptop_input.users); 530 return error; 531} 532 533static void sony_laptop_remove_input(void) 534{ 535 struct sony_laptop_keypress kp = { NULL }; 536 537 /* Cleanup only after the last user has gone */ 538 if (!atomic_dec_and_test(&sony_laptop_input.users)) 539 return; 540 541 del_timer_sync(&sony_laptop_input.release_key_timer); 542 543 /* 544 * Generate key-up events for remaining keys. Note that we don't 545 * need locking since nobody is adding new events to the kfifo. 546 */ 547 while (kfifo_out(&sony_laptop_input.fifo, 548 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 549 input_report_key(kp.dev, kp.key, 0); 550 input_sync(kp.dev); 551 } 552 553 /* destroy input devs */ 554 input_unregister_device(sony_laptop_input.key_dev); 555 sony_laptop_input.key_dev = NULL; 556 557 if (sony_laptop_input.jog_dev) { 558 input_unregister_device(sony_laptop_input.jog_dev); 559 sony_laptop_input.jog_dev = NULL; 560 } 561 562 kfifo_free(&sony_laptop_input.fifo); 563} 564 565/*********** Platform Device ***********/ 566 567static atomic_t sony_pf_users = ATOMIC_INIT(0); 568static struct platform_driver sony_pf_driver = { 569 .driver = { 570 .name = "sony-laptop", 571 } 572}; 573static struct platform_device *sony_pf_device; 574 575static int sony_pf_add(void) 576{ 577 int ret = 0; 578 579 /* don't run again if already initialized */ 580 if (atomic_add_return(1, &sony_pf_users) > 1) 581 return 0; 582 583 ret = platform_driver_register(&sony_pf_driver); 584 if (ret) 585 goto out; 586 587 sony_pf_device = platform_device_alloc("sony-laptop", PLATFORM_DEVID_NONE); 588 if (!sony_pf_device) { 589 ret = -ENOMEM; 590 goto out_platform_registered; 591 } 592 593 ret = platform_device_add(sony_pf_device); 594 if (ret) 595 goto out_platform_alloced; 596 597 return 0; 598 599 out_platform_alloced: 600 platform_device_put(sony_pf_device); 601 sony_pf_device = NULL; 602 out_platform_registered: 603 platform_driver_unregister(&sony_pf_driver); 604 out: 605 atomic_dec(&sony_pf_users); 606 return ret; 607} 608 609static void sony_pf_remove(void) 610{ 611 /* deregister only after the last user has gone */ 612 if (!atomic_dec_and_test(&sony_pf_users)) 613 return; 614 615 platform_device_unregister(sony_pf_device); 616 platform_driver_unregister(&sony_pf_driver); 617} 618 619/*********** SNC (SNY5001) Device ***********/ 620 621/* the device uses 1-based values, while the backlight subsystem uses 622 0-based values */ 623#define SONY_MAX_BRIGHTNESS 8 624 625#define SNC_VALIDATE_IN 0 626#define SNC_VALIDATE_OUT 1 627 628static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 629 char *); 630static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 631 const char *, size_t); 632static int boolean_validate(const int, const int); 633static int brightness_default_validate(const int, const int); 634 635struct sony_nc_value { 636 char *name; /* name of the entry */ 637 char **acpiget; /* names of the ACPI get function */ 638 char **acpiset; /* names of the ACPI set function */ 639 int (*validate)(const int, const int); /* input/output validation */ 640 int value; /* current setting */ 641 int valid; /* Has ever been set */ 642 int debug; /* active only in debug mode ? */ 643 struct device_attribute devattr; /* sysfs attribute */ 644}; 645 646#define SNC_HANDLE_NAMES(_name, _values...) \ 647 static char *snc_##_name[] = { _values, NULL } 648 649#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 650 { \ 651 .name = __stringify(_name), \ 652 .acpiget = _getters, \ 653 .acpiset = _setters, \ 654 .validate = _validate, \ 655 .debug = _debug, \ 656 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 657 } 658 659#define SNC_HANDLE_NULL { .name = NULL } 660 661SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 662 663SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 664SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 665 666SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 667SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 668 669SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 670SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 671 672SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 673SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 674 675SNC_HANDLE_NAMES(lidstate_get, "GLID"); 676 677SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 678SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 679 680SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 681SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 682 683SNC_HANDLE_NAMES(PID_get, "GPID"); 684 685SNC_HANDLE_NAMES(CTR_get, "GCTR"); 686SNC_HANDLE_NAMES(CTR_set, "SCTR"); 687 688SNC_HANDLE_NAMES(PCR_get, "GPCR"); 689SNC_HANDLE_NAMES(PCR_set, "SPCR"); 690 691SNC_HANDLE_NAMES(CMI_get, "GCMI"); 692SNC_HANDLE_NAMES(CMI_set, "SCMI"); 693 694static struct sony_nc_value sony_nc_values[] = { 695 SNC_HANDLE(brightness_default, snc_brightness_def_get, 696 snc_brightness_def_set, brightness_default_validate, 0), 697 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 698 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 699 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 700 boolean_validate, 0), 701 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 702 boolean_validate, 1), 703 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 704 boolean_validate, 0), 705 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 706 boolean_validate, 0), 707 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 708 boolean_validate, 0), 709 /* unknown methods */ 710 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 711 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 712 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 713 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 714 SNC_HANDLE_NULL 715}; 716 717static acpi_handle sony_nc_acpi_handle; 718static struct acpi_device *sony_nc_acpi_device = NULL; 719 720/* 721 * acpi_evaluate_object wrappers 722 * all useful calls into SNC methods take one or zero parameters and return 723 * integers or arrays. 724 */ 725static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 726 u64 *value) 727{ 728 union acpi_object *result = NULL; 729 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 730 acpi_status status; 731 732 if (value) { 733 struct acpi_object_list params; 734 union acpi_object in; 735 in.type = ACPI_TYPE_INTEGER; 736 in.integer.value = *value; 737 params.count = 1; 738 params.pointer = ∈ 739 status = acpi_evaluate_object(handle, method, ¶ms, &output); 740 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 741 (unsigned int)(*value >> 32), 742 (unsigned int)*value & 0xffffffff); 743 } else { 744 status = acpi_evaluate_object(handle, method, NULL, &output); 745 dprintk("__call_snc_method: [%s]\n", method); 746 } 747 748 if (ACPI_FAILURE(status)) { 749 pr_err("Failed to evaluate [%s]\n", method); 750 return NULL; 751 } 752 753 result = (union acpi_object *) output.pointer; 754 if (!result) 755 dprintk("No return object [%s]\n", method); 756 757 return result; 758} 759 760#define MIN(a, b) (a > b ? b : a) 761static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 762 void *buffer, size_t buflen) 763{ 764 int ret = 0; 765 size_t len; 766 union acpi_object *object = __call_snc_method(handle, name, value); 767 768 if (!object) 769 return -EINVAL; 770 771 if (!buffer) { 772 /* do nothing */ 773 } else if (object->type == ACPI_TYPE_BUFFER) { 774 len = MIN(buflen, object->buffer.length); 775 memset(buffer, 0, buflen); 776 memcpy(buffer, object->buffer.pointer, len); 777 778 } else if (object->type == ACPI_TYPE_INTEGER) { 779 len = MIN(buflen, sizeof(object->integer.value)); 780 memset(buffer, 0, buflen); 781 memcpy(buffer, &object->integer.value, len); 782 783 } else { 784 pr_warn("Unexpected acpi_object: 0x%x\n", object->type); 785 ret = -EINVAL; 786 } 787 788 kfree(object); 789 return ret; 790} 791 792static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int 793 *result) 794{ 795 int ret; 796 797 if (value) { 798 u64 v = *value; 799 800 ret = sony_nc_buffer_call(handle, name, &v, result, 801 sizeof(*result)); 802 } else { 803 ret = sony_nc_buffer_call(handle, name, NULL, result, 804 sizeof(*result)); 805 } 806 return ret; 807} 808 809struct sony_nc_handles { 810 u16 cap[0x10]; 811 struct device_attribute devattr; 812}; 813 814static struct sony_nc_handles *handles; 815 816static ssize_t sony_nc_handles_show(struct device *dev, 817 struct device_attribute *attr, char *buffer) 818{ 819 ssize_t len = 0; 820 int i; 821 822 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 823 len += sysfs_emit_at(buffer, len, "0x%.4x ", handles->cap[i]); 824 } 825 len += sysfs_emit_at(buffer, len, "\n"); 826 827 return len; 828} 829 830static int sony_nc_handles_setup(struct platform_device *pd) 831{ 832 int i, r, result, arg; 833 834 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 835 if (!handles) 836 return -ENOMEM; 837 838 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 839 arg = i + 0x20; 840 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 841 &result); 842 if (!r) { 843 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 844 result, i); 845 handles->cap[i] = result; 846 } 847 } 848 849 if (debug) { 850 sysfs_attr_init(&handles->devattr.attr); 851 handles->devattr.attr.name = "handles"; 852 handles->devattr.attr.mode = S_IRUGO; 853 handles->devattr.show = sony_nc_handles_show; 854 855 /* allow reading capabilities via sysfs */ 856 if (device_create_file(&pd->dev, &handles->devattr)) { 857 kfree(handles); 858 handles = NULL; 859 return -1; 860 } 861 } 862 863 return 0; 864} 865 866static int sony_nc_handles_cleanup(struct platform_device *pd) 867{ 868 if (handles) { 869 if (debug) 870 device_remove_file(&pd->dev, &handles->devattr); 871 kfree(handles); 872 handles = NULL; 873 } 874 return 0; 875} 876 877static int sony_find_snc_handle(int handle) 878{ 879 int i; 880 881 /* not initialized yet, return early */ 882 if (!handles || !handle) 883 return -EINVAL; 884 885 for (i = 0; i < 0x10; i++) { 886 if (handles->cap[i] == handle) { 887 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 888 handle, i); 889 return i; 890 } 891 } 892 dprintk("handle 0x%.4x not found\n", handle); 893 return -EINVAL; 894} 895 896static int sony_call_snc_handle(int handle, int argument, int *result) 897{ 898 int arg, ret = 0; 899 int offset = sony_find_snc_handle(handle); 900 901 if (offset < 0) 902 return offset; 903 904 arg = offset | argument; 905 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 906 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 907 return ret; 908} 909 910/* 911 * sony_nc_values input/output validate functions 912 */ 913 914/* brightness_default_validate: 915 * 916 * manipulate input output values to keep consistency with the 917 * backlight framework for which brightness values are 0-based. 918 */ 919static int brightness_default_validate(const int direction, const int value) 920{ 921 switch (direction) { 922 case SNC_VALIDATE_OUT: 923 return value - 1; 924 case SNC_VALIDATE_IN: 925 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 926 return value + 1; 927 } 928 return -EINVAL; 929} 930 931/* boolean_validate: 932 * 933 * on input validate boolean values 0/1, on output just pass the 934 * received value. 935 */ 936static int boolean_validate(const int direction, const int value) 937{ 938 if (direction == SNC_VALIDATE_IN) { 939 if (value != 0 && value != 1) 940 return -EINVAL; 941 } 942 return value; 943} 944 945/* 946 * Sysfs show/store common to all sony_nc_values 947 */ 948static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 949 char *buffer) 950{ 951 int value, ret = 0; 952 struct sony_nc_value *item = 953 container_of(attr, struct sony_nc_value, devattr); 954 955 if (!*item->acpiget) 956 return -EIO; 957 958 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 959 &value); 960 if (ret < 0) 961 return -EIO; 962 963 if (item->validate) 964 value = item->validate(SNC_VALIDATE_OUT, value); 965 966 return sysfs_emit(buffer, "%d\n", value); 967} 968 969static ssize_t sony_nc_sysfs_store(struct device *dev, 970 struct device_attribute *attr, 971 const char *buffer, size_t count) 972{ 973 int value; 974 int ret = 0; 975 struct sony_nc_value *item = 976 container_of(attr, struct sony_nc_value, devattr); 977 978 if (!item->acpiset) 979 return -EIO; 980 981 if (count > 31) 982 return -EINVAL; 983 984 if (kstrtoint(buffer, 10, &value)) 985 return -EINVAL; 986 987 if (item->validate) 988 value = item->validate(SNC_VALIDATE_IN, value); 989 990 if (value < 0) 991 return value; 992 993 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 994 &value, NULL); 995 if (ret < 0) 996 return -EIO; 997 998 item->value = value; 999 item->valid = 1; 1000 return count; 1001} 1002 1003 1004/* 1005 * Backlight device 1006 */ 1007struct sony_backlight_props { 1008 struct backlight_device *dev; 1009 int handle; 1010 int cmd_base; 1011 u8 offset; 1012 u8 maxlvl; 1013}; 1014static struct sony_backlight_props sony_bl_props; 1015 1016static int sony_backlight_update_status(struct backlight_device *bd) 1017{ 1018 int arg = bd->props.brightness + 1; 1019 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1020} 1021 1022static int sony_backlight_get_brightness(struct backlight_device *bd) 1023{ 1024 int value; 1025 1026 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1027 return 0; 1028 /* brightness levels are 1-based, while backlight ones are 0-based */ 1029 return value - 1; 1030} 1031 1032static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1033{ 1034 int result; 1035 struct sony_backlight_props *sdev = 1036 (struct sony_backlight_props *)bl_get_data(bd); 1037 1038 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1039 1040 return (result & 0xff) - sdev->offset; 1041} 1042 1043static int sony_nc_update_status_ng(struct backlight_device *bd) 1044{ 1045 int value, result; 1046 struct sony_backlight_props *sdev = 1047 (struct sony_backlight_props *)bl_get_data(bd); 1048 1049 value = bd->props.brightness + sdev->offset; 1050 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1051 &result)) 1052 return -EIO; 1053 1054 return value; 1055} 1056 1057static const struct backlight_ops sony_backlight_ops = { 1058 .options = BL_CORE_SUSPENDRESUME, 1059 .update_status = sony_backlight_update_status, 1060 .get_brightness = sony_backlight_get_brightness, 1061}; 1062static const struct backlight_ops sony_backlight_ng_ops = { 1063 .options = BL_CORE_SUSPENDRESUME, 1064 .update_status = sony_nc_update_status_ng, 1065 .get_brightness = sony_nc_get_brightness_ng, 1066}; 1067 1068/* 1069 * New SNC-only Vaios event mapping to driver known keys 1070 */ 1071struct sony_nc_event { 1072 u8 data; 1073 u8 event; 1074}; 1075 1076static struct sony_nc_event sony_100_events[] = { 1077 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1078 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1079 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1080 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1081 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1082 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1083 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1084 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1085 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1086 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1087 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1088 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1089 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1090 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1091 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1092 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1093 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1094 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1095 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1096 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1097 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1098 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1099 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1100 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1101 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1102 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1103 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1104 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1105 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1106 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1107 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1108 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1109 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1110 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1111 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1112 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1113 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1114 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1115 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1116 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1117 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1118 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1119 { 0, 0 }, 1120}; 1121 1122static struct sony_nc_event sony_127_events[] = { 1123 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1124 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1125 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1126 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1127 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1128 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1129 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1130 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1131 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1132 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1133 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1134 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1135 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1136 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1137 { 0, 0 }, 1138}; 1139 1140static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1141{ 1142 int ret = -EINVAL; 1143 unsigned int result = 0; 1144 struct sony_nc_event *key_event; 1145 1146 if (sony_call_snc_handle(handle, 0x200, &result)) { 1147 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1148 event); 1149 return -EINVAL; 1150 } 1151 1152 result &= 0xFF; 1153 1154 if (handle == 0x0100) 1155 key_event = sony_100_events; 1156 else 1157 key_event = sony_127_events; 1158 1159 for (; key_event->data; key_event++) { 1160 if (key_event->data == result) { 1161 ret = key_event->event; 1162 break; 1163 } 1164 } 1165 1166 if (!key_event->data) 1167 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1168 event, result, handle); 1169 1170 return ret; 1171} 1172 1173/* 1174 * ACPI callbacks 1175 */ 1176enum event_types { 1177 HOTKEY = 1, 1178 KILLSWITCH, 1179 GFX_SWITCH 1180}; 1181static void sony_nc_notify(struct acpi_device *device, u32 event) 1182{ 1183 u32 real_ev = event; 1184 u8 ev_type = 0; 1185 int ret; 1186 1187 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1188 1189 if (event >= 0x90) { 1190 unsigned int result = 0; 1191 unsigned int arg = 0; 1192 unsigned int handle = 0; 1193 unsigned int offset = event - 0x90; 1194 1195 if (offset >= ARRAY_SIZE(handles->cap)) { 1196 pr_err("Event 0x%x outside of capabilities list\n", 1197 event); 1198 return; 1199 } 1200 handle = handles->cap[offset]; 1201 1202 /* list of handles known for generating events */ 1203 switch (handle) { 1204 /* hotkey event */ 1205 case 0x0100: 1206 case 0x0127: 1207 ev_type = HOTKEY; 1208 ret = sony_nc_hotkeys_decode(event, handle); 1209 1210 if (ret > 0) { 1211 sony_laptop_report_input_event(ret); 1212 real_ev = ret; 1213 } 1214 1215 break; 1216 1217 /* wlan switch */ 1218 case 0x0124: 1219 case 0x0135: 1220 /* events on this handle are reported when the 1221 * switch changes position or for battery 1222 * events. We'll notify both of them but only 1223 * update the rfkill device status when the 1224 * switch is moved. 1225 */ 1226 ev_type = KILLSWITCH; 1227 sony_call_snc_handle(handle, 0x0100, &result); 1228 real_ev = result & 0x03; 1229 1230 /* hw switch event */ 1231 if (real_ev == 1) 1232 sony_nc_rfkill_update(); 1233 1234 break; 1235 1236 case 0x0128: 1237 case 0x0146: 1238 /* Hybrid GFX switching */ 1239 sony_call_snc_handle(handle, 0x0000, &result); 1240 dprintk("GFX switch event received (reason: %s)\n", 1241 (result == 0x1) ? "switch change" : 1242 (result == 0x2) ? "output switch" : 1243 (result == 0x3) ? "output switch" : 1244 ""); 1245 1246 ev_type = GFX_SWITCH; 1247 real_ev = __sony_nc_gfx_switch_status_get(); 1248 break; 1249 1250 case 0x015B: 1251 /* Hybrid GFX switching SVS151290S */ 1252 ev_type = GFX_SWITCH; 1253 real_ev = __sony_nc_gfx_switch_status_get(); 1254 break; 1255 default: 1256 dprintk("Unknown event 0x%x for handle 0x%x\n", 1257 event, handle); 1258 break; 1259 } 1260 1261 /* clear the event (and the event reason when present) */ 1262 arg = 1 << offset; 1263 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1264 1265 } else { 1266 /* old style event */ 1267 ev_type = HOTKEY; 1268 sony_laptop_report_input_event(real_ev); 1269 } 1270 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1271 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1272} 1273 1274static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1275 void *context, void **return_value) 1276{ 1277 struct acpi_device_info *info; 1278 1279 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1280 pr_warn("method: name: %4.4s, args %X\n", 1281 (char *)&info->name, info->param_count); 1282 1283 kfree(info); 1284 } 1285 1286 return AE_OK; 1287} 1288 1289/* 1290 * ACPI device 1291 */ 1292static void sony_nc_function_setup(struct acpi_device *device, 1293 struct platform_device *pf_device) 1294{ 1295 unsigned int i, result, bitmask, arg; 1296 1297 if (!handles) 1298 return; 1299 1300 /* setup found handles here */ 1301 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1302 unsigned int handle = handles->cap[i]; 1303 1304 if (!handle) 1305 continue; 1306 1307 dprintk("setting up handle 0x%.4x\n", handle); 1308 1309 switch (handle) { 1310 case 0x0100: 1311 case 0x0101: 1312 case 0x0127: 1313 /* setup hotkeys */ 1314 sony_call_snc_handle(handle, 0, &result); 1315 break; 1316 case 0x0102: 1317 /* setup hotkeys */ 1318 sony_call_snc_handle(handle, 0x100, &result); 1319 break; 1320 case 0x0105: 1321 case 0x0148: 1322 /* touchpad enable/disable */ 1323 result = sony_nc_touchpad_setup(pf_device, handle); 1324 if (result) 1325 pr_err("couldn't set up touchpad control function (%d)\n", 1326 result); 1327 break; 1328 case 0x0115: 1329 case 0x0136: 1330 case 0x013f: 1331 result = sony_nc_battery_care_setup(pf_device, handle); 1332 if (result) 1333 pr_err("couldn't set up battery care function (%d)\n", 1334 result); 1335 break; 1336 case 0x0119: 1337 case 0x015D: 1338 result = sony_nc_lid_resume_setup(pf_device, handle); 1339 if (result) 1340 pr_err("couldn't set up lid resume function (%d)\n", 1341 result); 1342 break; 1343 case 0x0122: 1344 result = sony_nc_thermal_setup(pf_device); 1345 if (result) 1346 pr_err("couldn't set up thermal profile function (%d)\n", 1347 result); 1348 break; 1349 case 0x0128: 1350 case 0x0146: 1351 case 0x015B: 1352 result = sony_nc_gfx_switch_setup(pf_device, handle); 1353 if (result) 1354 pr_err("couldn't set up GFX Switch status (%d)\n", 1355 result); 1356 break; 1357 case 0x0131: 1358 result = sony_nc_highspeed_charging_setup(pf_device); 1359 if (result) 1360 pr_err("couldn't set up high speed charging function (%d)\n", 1361 result); 1362 break; 1363 case 0x0124: 1364 case 0x0135: 1365 result = sony_nc_rfkill_setup(device, handle); 1366 if (result) 1367 pr_err("couldn't set up rfkill support (%d)\n", 1368 result); 1369 break; 1370 case 0x0137: 1371 case 0x0143: 1372 case 0x014b: 1373 case 0x014c: 1374 case 0x0153: 1375 case 0x0163: 1376 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1377 if (result) 1378 pr_err("couldn't set up keyboard backlight function (%d)\n", 1379 result); 1380 break; 1381 case 0x0121: 1382 result = sony_nc_lowbatt_setup(pf_device); 1383 if (result) 1384 pr_err("couldn't set up low battery function (%d)\n", 1385 result); 1386 break; 1387 case 0x0149: 1388 result = sony_nc_fanspeed_setup(pf_device); 1389 if (result) 1390 pr_err("couldn't set up fan speed function (%d)\n", 1391 result); 1392 break; 1393 case 0x0155: 1394 result = sony_nc_usb_charge_setup(pf_device); 1395 if (result) 1396 pr_err("couldn't set up USB charge support (%d)\n", 1397 result); 1398 break; 1399 case 0x011D: 1400 result = sony_nc_panelid_setup(pf_device); 1401 if (result) 1402 pr_err("couldn't set up panel ID function (%d)\n", 1403 result); 1404 break; 1405 case 0x0168: 1406 result = sony_nc_smart_conn_setup(pf_device); 1407 if (result) 1408 pr_err("couldn't set up smart connect support (%d)\n", 1409 result); 1410 break; 1411 default: 1412 continue; 1413 } 1414 } 1415 1416 /* Enable all events */ 1417 arg = 0x10; 1418 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1419 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1420 &result); 1421} 1422 1423static void sony_nc_function_cleanup(struct platform_device *pd) 1424{ 1425 unsigned int i, result, bitmask, handle; 1426 1427 if (!handles) 1428 return; 1429 1430 /* get enabled events and disable them */ 1431 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1432 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1433 1434 /* cleanup handles here */ 1435 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1436 1437 handle = handles->cap[i]; 1438 1439 if (!handle) 1440 continue; 1441 1442 switch (handle) { 1443 case 0x0105: 1444 case 0x0148: 1445 sony_nc_touchpad_cleanup(pd); 1446 break; 1447 case 0x0115: 1448 case 0x0136: 1449 case 0x013f: 1450 sony_nc_battery_care_cleanup(pd); 1451 break; 1452 case 0x0119: 1453 case 0x015D: 1454 sony_nc_lid_resume_cleanup(pd); 1455 break; 1456 case 0x0122: 1457 sony_nc_thermal_cleanup(pd); 1458 break; 1459 case 0x0128: 1460 case 0x0146: 1461 case 0x015B: 1462 sony_nc_gfx_switch_cleanup(pd); 1463 break; 1464 case 0x0131: 1465 sony_nc_highspeed_charging_cleanup(pd); 1466 break; 1467 case 0x0124: 1468 case 0x0135: 1469 sony_nc_rfkill_cleanup(); 1470 break; 1471 case 0x0137: 1472 case 0x0143: 1473 case 0x014b: 1474 case 0x014c: 1475 case 0x0153: 1476 case 0x0163: 1477 sony_nc_kbd_backlight_cleanup(pd, handle); 1478 break; 1479 case 0x0121: 1480 sony_nc_lowbatt_cleanup(pd); 1481 break; 1482 case 0x0149: 1483 sony_nc_fanspeed_cleanup(pd); 1484 break; 1485 case 0x0155: 1486 sony_nc_usb_charge_cleanup(pd); 1487 break; 1488 case 0x011D: 1489 sony_nc_panelid_cleanup(pd); 1490 break; 1491 case 0x0168: 1492 sony_nc_smart_conn_cleanup(pd); 1493 break; 1494 default: 1495 continue; 1496 } 1497 } 1498 1499 /* finally cleanup the handles list */ 1500 sony_nc_handles_cleanup(pd); 1501} 1502 1503#ifdef CONFIG_PM_SLEEP 1504static void sony_nc_function_resume(void) 1505{ 1506 unsigned int i, result, bitmask, arg; 1507 1508 dprintk("Resuming SNC device\n"); 1509 1510 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1511 unsigned int handle = handles->cap[i]; 1512 1513 if (!handle) 1514 continue; 1515 1516 switch (handle) { 1517 case 0x0100: 1518 case 0x0101: 1519 case 0x0127: 1520 /* re-enable hotkeys */ 1521 sony_call_snc_handle(handle, 0, &result); 1522 break; 1523 case 0x0102: 1524 /* re-enable hotkeys */ 1525 sony_call_snc_handle(handle, 0x100, &result); 1526 break; 1527 case 0x0122: 1528 sony_nc_thermal_resume(); 1529 break; 1530 case 0x0124: 1531 case 0x0135: 1532 sony_nc_rfkill_update(); 1533 break; 1534 default: 1535 continue; 1536 } 1537 } 1538 1539 /* Enable all events */ 1540 arg = 0x10; 1541 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1542 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1543 &result); 1544} 1545 1546static int sony_nc_resume(struct device *dev) 1547{ 1548 struct sony_nc_value *item; 1549 1550 for (item = sony_nc_values; item->name; item++) { 1551 int ret; 1552 1553 if (!item->valid) 1554 continue; 1555 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1556 &item->value, NULL); 1557 if (ret < 0) { 1558 pr_err("%s: %d\n", __func__, ret); 1559 break; 1560 } 1561 } 1562 1563 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1564 int arg = 1; 1565 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1566 dprintk("ECON Method failed\n"); 1567 } 1568 1569 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1570 sony_nc_function_resume(); 1571 1572 return 0; 1573} 1574#endif 1575 1576static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1577 1578static void sony_nc_rfkill_cleanup(void) 1579{ 1580 int i; 1581 1582 for (i = 0; i < N_SONY_RFKILL; i++) { 1583 if (sony_rfkill_devices[i]) { 1584 rfkill_unregister(sony_rfkill_devices[i]); 1585 rfkill_destroy(sony_rfkill_devices[i]); 1586 } 1587 } 1588} 1589 1590static int sony_nc_rfkill_set(void *data, bool blocked) 1591{ 1592 int result; 1593 int argument = sony_rfkill_address[(long) data] + 0x100; 1594 1595 if (!blocked) 1596 argument |= 0x070000; 1597 1598 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1599} 1600 1601static const struct rfkill_ops sony_rfkill_ops = { 1602 .set_block = sony_nc_rfkill_set, 1603}; 1604 1605static int sony_nc_setup_rfkill(struct acpi_device *device, 1606 enum sony_nc_rfkill nc_type) 1607{ 1608 int err; 1609 struct rfkill *rfk; 1610 enum rfkill_type type; 1611 const char *name; 1612 int result; 1613 bool hwblock, swblock; 1614 1615 switch (nc_type) { 1616 case SONY_WIFI: 1617 type = RFKILL_TYPE_WLAN; 1618 name = "sony-wifi"; 1619 break; 1620 case SONY_BLUETOOTH: 1621 type = RFKILL_TYPE_BLUETOOTH; 1622 name = "sony-bluetooth"; 1623 break; 1624 case SONY_WWAN: 1625 type = RFKILL_TYPE_WWAN; 1626 name = "sony-wwan"; 1627 break; 1628 case SONY_WIMAX: 1629 type = RFKILL_TYPE_WIMAX; 1630 name = "sony-wimax"; 1631 break; 1632 default: 1633 return -EINVAL; 1634 } 1635 1636 rfk = rfkill_alloc(name, &device->dev, type, 1637 &sony_rfkill_ops, (void *)nc_type); 1638 if (!rfk) 1639 return -ENOMEM; 1640 1641 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1642 if (err < 0) { 1643 rfkill_destroy(rfk); 1644 return err; 1645 } 1646 hwblock = !(result & 0x1); 1647 1648 err = sony_call_snc_handle(sony_rfkill_handle, 1649 sony_rfkill_address[nc_type], 1650 &result); 1651 if (err < 0) { 1652 rfkill_destroy(rfk); 1653 return err; 1654 } 1655 swblock = !(result & 0x2); 1656 1657 rfkill_init_sw_state(rfk, swblock); 1658 rfkill_set_hw_state(rfk, hwblock); 1659 1660 err = rfkill_register(rfk); 1661 if (err) { 1662 rfkill_destroy(rfk); 1663 return err; 1664 } 1665 sony_rfkill_devices[nc_type] = rfk; 1666 return err; 1667} 1668 1669static void sony_nc_rfkill_update(void) 1670{ 1671 enum sony_nc_rfkill i; 1672 int result; 1673 bool hwblock; 1674 1675 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1676 hwblock = !(result & 0x1); 1677 1678 for (i = 0; i < N_SONY_RFKILL; i++) { 1679 int argument = sony_rfkill_address[i]; 1680 1681 if (!sony_rfkill_devices[i]) 1682 continue; 1683 1684 if (hwblock) { 1685 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1686 /* we already know we're blocked */ 1687 } 1688 continue; 1689 } 1690 1691 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1692 rfkill_set_states(sony_rfkill_devices[i], 1693 !(result & 0x2), false); 1694 } 1695} 1696 1697static int sony_nc_rfkill_setup(struct acpi_device *device, 1698 unsigned int handle) 1699{ 1700 u64 offset; 1701 int i; 1702 unsigned char buffer[32] = { 0 }; 1703 1704 offset = sony_find_snc_handle(handle); 1705 sony_rfkill_handle = handle; 1706 1707 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1708 32); 1709 if (i < 0) 1710 return i; 1711 1712 /* The buffer is filled with magic numbers describing the devices 1713 * available, 0xff terminates the enumeration. 1714 * Known codes: 1715 * 0x00 WLAN 1716 * 0x10 BLUETOOTH 1717 * 0x20 WWAN GPRS-EDGE 1718 * 0x21 WWAN HSDPA 1719 * 0x22 WWAN EV-DO 1720 * 0x23 WWAN GPS 1721 * 0x25 Gobi WWAN no GPS 1722 * 0x26 Gobi WWAN + GPS 1723 * 0x28 Gobi WWAN no GPS 1724 * 0x29 Gobi WWAN + GPS 1725 * 0x30 WIMAX 1726 * 0x50 Gobi WWAN no GPS 1727 * 0x51 Gobi WWAN + GPS 1728 * 0x70 no SIM card slot 1729 * 0x71 SIM card slot 1730 */ 1731 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1732 1733 if (buffer[i] == 0xff) 1734 break; 1735 1736 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1737 1738 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1739 sony_nc_setup_rfkill(device, SONY_WIFI); 1740 1741 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1742 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1743 1744 if (((0xf0 & buffer[i]) == 0x20 || 1745 (0xf0 & buffer[i]) == 0x50) && 1746 !sony_rfkill_devices[SONY_WWAN]) 1747 sony_nc_setup_rfkill(device, SONY_WWAN); 1748 1749 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1750 sony_nc_setup_rfkill(device, SONY_WIMAX); 1751 } 1752 return 0; 1753} 1754 1755/* Keyboard backlight feature */ 1756struct kbd_backlight { 1757 unsigned int handle; 1758 unsigned int base; 1759 unsigned int mode; 1760 unsigned int timeout; 1761 unsigned int has_timeout; 1762 struct device_attribute mode_attr; 1763 struct device_attribute timeout_attr; 1764}; 1765 1766static struct kbd_backlight *kbdbl_ctl; 1767 1768static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1769{ 1770 int result; 1771 1772 if (value > 2) 1773 return -EINVAL; 1774 1775 if (sony_call_snc_handle(kbdbl_ctl->handle, 1776 (value << 0x10) | (kbdbl_ctl->base), &result)) 1777 return -EIO; 1778 1779 /* Try to turn the light on/off immediately */ 1780 if (value != 1) 1781 sony_call_snc_handle(kbdbl_ctl->handle, 1782 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1783 &result); 1784 1785 kbdbl_ctl->mode = value; 1786 1787 return 0; 1788} 1789 1790static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1791 struct device_attribute *attr, 1792 const char *buffer, size_t count) 1793{ 1794 int ret = 0; 1795 unsigned long value; 1796 1797 if (count > 31) 1798 return -EINVAL; 1799 1800 if (kstrtoul(buffer, 10, &value)) 1801 return -EINVAL; 1802 1803 ret = __sony_nc_kbd_backlight_mode_set(value); 1804 if (ret < 0) 1805 return ret; 1806 1807 return count; 1808} 1809 1810static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1811 struct device_attribute *attr, char *buffer) 1812{ 1813 return sysfs_emit(buffer, "%d\n", kbdbl_ctl->mode); 1814} 1815 1816static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1817{ 1818 int result; 1819 1820 if (value > 3) 1821 return -EINVAL; 1822 1823 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1824 (kbdbl_ctl->base + 0x200), &result)) 1825 return -EIO; 1826 1827 kbdbl_ctl->timeout = value; 1828 1829 return 0; 1830} 1831 1832static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1833 struct device_attribute *attr, 1834 const char *buffer, size_t count) 1835{ 1836 int ret = 0; 1837 unsigned long value; 1838 1839 if (count > 31) 1840 return -EINVAL; 1841 1842 if (kstrtoul(buffer, 10, &value)) 1843 return -EINVAL; 1844 1845 ret = __sony_nc_kbd_backlight_timeout_set(value); 1846 if (ret < 0) 1847 return ret; 1848 1849 return count; 1850} 1851 1852static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1853 struct device_attribute *attr, char *buffer) 1854{ 1855 return sysfs_emit(buffer, "%d\n", kbdbl_ctl->timeout); 1856} 1857 1858static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1859 unsigned int handle) 1860{ 1861 int result; 1862 int probe_base = 0; 1863 int ctl_base = 0; 1864 int ret = 0; 1865 1866 if (kbdbl_ctl) { 1867 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1868 handle, kbdbl_ctl->handle); 1869 return -EBUSY; 1870 } 1871 1872 /* verify the kbd backlight presence, some of these handles are not used 1873 * for keyboard backlight only 1874 */ 1875 switch (handle) { 1876 case 0x0153: 1877 probe_base = 0x0; 1878 ctl_base = 0x0; 1879 break; 1880 case 0x0137: 1881 probe_base = 0x0B00; 1882 ctl_base = 0x0C00; 1883 break; 1884 default: 1885 probe_base = 0x0100; 1886 ctl_base = 0x4000; 1887 break; 1888 } 1889 1890 /* 1891 * Only probe if there is a separate probe_base, otherwise the probe call 1892 * is equivalent to __sony_nc_kbd_backlight_mode_set(0), resulting in 1893 * the keyboard backlight being turned off. 1894 */ 1895 if (probe_base) { 1896 ret = sony_call_snc_handle(handle, probe_base, &result); 1897 if (ret) 1898 return ret; 1899 1900 if ((handle == 0x0137 && !(result & 0x02)) || 1901 !(result & 0x01)) { 1902 dprintk("no backlight keyboard found\n"); 1903 return 0; 1904 } 1905 } 1906 1907 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1908 if (!kbdbl_ctl) 1909 return -ENOMEM; 1910 1911 kbdbl_ctl->mode = kbd_backlight; 1912 kbdbl_ctl->timeout = kbd_backlight_timeout; 1913 kbdbl_ctl->handle = handle; 1914 kbdbl_ctl->base = ctl_base; 1915 /* Some models do not allow timeout control */ 1916 kbdbl_ctl->has_timeout = handle != 0x0153; 1917 1918 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1919 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1920 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1921 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1922 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1923 1924 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1925 if (ret) 1926 goto outkzalloc; 1927 1928 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1929 1930 if (kbdbl_ctl->has_timeout) { 1931 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1932 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1933 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1934 kbdbl_ctl->timeout_attr.show = 1935 sony_nc_kbd_backlight_timeout_show; 1936 kbdbl_ctl->timeout_attr.store = 1937 sony_nc_kbd_backlight_timeout_store; 1938 1939 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1940 if (ret) 1941 goto outmode; 1942 1943 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1944 } 1945 1946 1947 return 0; 1948 1949outmode: 1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1951outkzalloc: 1952 kfree(kbdbl_ctl); 1953 kbdbl_ctl = NULL; 1954 return ret; 1955} 1956 1957static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1958 unsigned int handle) 1959{ 1960 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1961 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1962 if (kbdbl_ctl->has_timeout) 1963 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1964 kfree(kbdbl_ctl); 1965 kbdbl_ctl = NULL; 1966 } 1967} 1968 1969struct battery_care_control { 1970 struct device_attribute attrs[2]; 1971 unsigned int handle; 1972}; 1973static struct battery_care_control *bcare_ctl; 1974 1975static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1976 struct device_attribute *attr, 1977 const char *buffer, size_t count) 1978{ 1979 unsigned int result, cmd; 1980 unsigned long value; 1981 1982 if (count > 31) 1983 return -EINVAL; 1984 1985 if (kstrtoul(buffer, 10, &value)) 1986 return -EINVAL; 1987 1988 /* limit values (2 bits): 1989 * 00 - none 1990 * 01 - 80% 1991 * 10 - 50% 1992 * 11 - 100% 1993 * 1994 * bit 0: 0 disable BCL, 1 enable BCL 1995 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1996 * bits 2,3: reserved 1997 * bits 4,5: store the limit into the EC 1998 * bits 6,7: store the limit into the battery 1999 */ 2000 cmd = 0; 2001 2002 if (value > 0) { 2003 if (value <= 50) 2004 cmd = 0x20; 2005 2006 else if (value <= 80) 2007 cmd = 0x10; 2008 2009 else if (value <= 100) 2010 cmd = 0x30; 2011 2012 else 2013 return -EINVAL; 2014 2015 /* 2016 * handle 0x0115 should allow storing on battery too; 2017 * handle 0x0136 same as 0x0115 + health status; 2018 * handle 0x013f, same as 0x0136 but no storing on the battery 2019 */ 2020 if (bcare_ctl->handle != 0x013f) 2021 cmd = cmd | (cmd << 2); 2022 2023 cmd = (cmd | 0x1) << 0x10; 2024 } 2025 2026 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2027 return -EIO; 2028 2029 return count; 2030} 2031 2032static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2033 struct device_attribute *attr, char *buffer) 2034{ 2035 unsigned int result, status; 2036 2037 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2038 return -EIO; 2039 2040 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2041 switch (status) { 2042 case 1: 2043 status = 80; 2044 break; 2045 case 2: 2046 status = 50; 2047 break; 2048 case 3: 2049 status = 100; 2050 break; 2051 default: 2052 status = 0; 2053 break; 2054 } 2055 2056 return sysfs_emit(buffer, "%d\n", status); 2057} 2058 2059static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2060 struct device_attribute *attr, char *buffer) 2061{ 2062 unsigned int health; 2063 2064 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2065 return -EIO; 2066 2067 return sysfs_emit(buffer, "%d\n", health & 0xff); 2068} 2069 2070static int sony_nc_battery_care_setup(struct platform_device *pd, 2071 unsigned int handle) 2072{ 2073 int ret = 0; 2074 2075 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2076 if (!bcare_ctl) 2077 return -ENOMEM; 2078 2079 bcare_ctl->handle = handle; 2080 2081 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2082 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2083 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2084 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2085 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2086 2087 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2088 if (ret) 2089 goto outkzalloc; 2090 2091 /* 0x0115 is for models with no health reporting capability */ 2092 if (handle == 0x0115) 2093 return 0; 2094 2095 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2096 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2097 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2098 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2099 2100 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2101 if (ret) 2102 goto outlimiter; 2103 2104 return 0; 2105 2106outlimiter: 2107 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2108 2109outkzalloc: 2110 kfree(bcare_ctl); 2111 bcare_ctl = NULL; 2112 2113 return ret; 2114} 2115 2116static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2117{ 2118 if (bcare_ctl) { 2119 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2120 if (bcare_ctl->handle != 0x0115) 2121 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2122 2123 kfree(bcare_ctl); 2124 bcare_ctl = NULL; 2125 } 2126} 2127 2128struct snc_thermal_ctrl { 2129 unsigned int mode; 2130 unsigned int profiles; 2131 struct device_attribute mode_attr; 2132 struct device_attribute profiles_attr; 2133}; 2134static struct snc_thermal_ctrl *th_handle; 2135 2136#define THM_PROFILE_MAX 3 2137static const char * const snc_thermal_profiles[] = { 2138 "balanced", 2139 "silent", 2140 "performance" 2141}; 2142 2143static int sony_nc_thermal_mode_set(unsigned short mode) 2144{ 2145 unsigned int result; 2146 2147 /* the thermal profile seems to be a two bit bitmask: 2148 * lsb -> silent 2149 * msb -> performance 2150 * no bit set is the normal operation and is always valid 2151 * Some vaio models only have "balanced" and "performance" 2152 */ 2153 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2154 return -EINVAL; 2155 2156 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2157 return -EIO; 2158 2159 th_handle->mode = mode; 2160 2161 return 0; 2162} 2163 2164static int sony_nc_thermal_mode_get(void) 2165{ 2166 unsigned int result; 2167 2168 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2169 return -EIO; 2170 2171 return result & 0xff; 2172} 2173 2174static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2175 struct device_attribute *attr, char *buffer) 2176{ 2177 short cnt; 2178 size_t idx = 0; 2179 2180 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2181 if (!cnt || (th_handle->profiles & cnt)) 2182 idx += sysfs_emit_at(buffer, idx, "%s ", snc_thermal_profiles[cnt]); 2183 } 2184 idx += sysfs_emit_at(buffer, idx, "\n"); 2185 2186 return idx; 2187} 2188 2189static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2190 struct device_attribute *attr, 2191 const char *buffer, size_t count) 2192{ 2193 unsigned short cmd; 2194 size_t len = count; 2195 2196 if (count == 0) 2197 return -EINVAL; 2198 2199 /* skip the newline if present */ 2200 if (buffer[len - 1] == '\n') 2201 len--; 2202 2203 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2204 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2205 break; 2206 2207 if (sony_nc_thermal_mode_set(cmd)) 2208 return -EIO; 2209 2210 return count; 2211} 2212 2213static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2214 struct device_attribute *attr, char *buffer) 2215{ 2216 int mode = sony_nc_thermal_mode_get(); 2217 2218 if (mode < 0) 2219 return mode; 2220 2221 return sysfs_emit(buffer, "%s\n", snc_thermal_profiles[mode]); 2222} 2223 2224static int sony_nc_thermal_setup(struct platform_device *pd) 2225{ 2226 int ret = 0; 2227 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2228 if (!th_handle) 2229 return -ENOMEM; 2230 2231 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2232 if (ret) { 2233 pr_warn("couldn't to read the thermal profiles\n"); 2234 goto outkzalloc; 2235 } 2236 2237 ret = sony_nc_thermal_mode_get(); 2238 if (ret < 0) { 2239 pr_warn("couldn't to read the current thermal profile"); 2240 goto outkzalloc; 2241 } 2242 th_handle->mode = ret; 2243 2244 sysfs_attr_init(&th_handle->profiles_attr.attr); 2245 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2246 th_handle->profiles_attr.attr.mode = S_IRUGO; 2247 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2248 2249 sysfs_attr_init(&th_handle->mode_attr.attr); 2250 th_handle->mode_attr.attr.name = "thermal_control"; 2251 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2252 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2253 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2254 2255 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2256 if (ret) 2257 goto outkzalloc; 2258 2259 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2260 if (ret) 2261 goto outprofiles; 2262 2263 return 0; 2264 2265outprofiles: 2266 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2267outkzalloc: 2268 kfree(th_handle); 2269 th_handle = NULL; 2270 return ret; 2271} 2272 2273static void sony_nc_thermal_cleanup(struct platform_device *pd) 2274{ 2275 if (th_handle) { 2276 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2277 device_remove_file(&pd->dev, &th_handle->mode_attr); 2278 kfree(th_handle); 2279 th_handle = NULL; 2280 } 2281} 2282 2283#ifdef CONFIG_PM_SLEEP 2284static void sony_nc_thermal_resume(void) 2285{ 2286 int status; 2287 2288 if (!th_handle) 2289 return; 2290 2291 status = sony_nc_thermal_mode_get(); 2292 2293 if (status != th_handle->mode) 2294 sony_nc_thermal_mode_set(th_handle->mode); 2295} 2296#endif 2297 2298/* resume on LID open */ 2299#define LID_RESUME_S5 0 2300#define LID_RESUME_S4 1 2301#define LID_RESUME_S3 2 2302#define LID_RESUME_MAX 3 2303struct snc_lid_resume_control { 2304 struct device_attribute attrs[LID_RESUME_MAX]; 2305 unsigned int status; 2306 int handle; 2307}; 2308static struct snc_lid_resume_control *lid_ctl; 2309 2310static ssize_t sony_nc_lid_resume_store(struct device *dev, 2311 struct device_attribute *attr, 2312 const char *buffer, size_t count) 2313{ 2314 unsigned int result; 2315 unsigned long value; 2316 unsigned int pos = LID_RESUME_S5; 2317 if (count > 31) 2318 return -EINVAL; 2319 2320 if (kstrtoul(buffer, 10, &value) || value > 1) 2321 return -EINVAL; 2322 2323 /* the value we have to write to SNC is a bitmask: 2324 * +--------------+ 2325 * | S3 | S4 | S5 | 2326 * +--------------+ 2327 * 2 1 0 2328 */ 2329 while (pos < LID_RESUME_MAX) { 2330 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2331 break; 2332 pos++; 2333 } 2334 if (pos == LID_RESUME_MAX) 2335 return -EINVAL; 2336 2337 if (value) 2338 value = lid_ctl->status | (1 << pos); 2339 else 2340 value = lid_ctl->status & ~(1 << pos); 2341 2342 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2343 &result)) 2344 return -EIO; 2345 2346 lid_ctl->status = value; 2347 2348 return count; 2349} 2350 2351static ssize_t sony_nc_lid_resume_show(struct device *dev, 2352 struct device_attribute *attr, 2353 char *buffer) 2354{ 2355 unsigned int pos = LID_RESUME_S5; 2356 2357 while (pos < LID_RESUME_MAX) { 2358 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2359 return sysfs_emit(buffer, "%d\n", 2360 (lid_ctl->status >> pos) & 0x01); 2361 pos++; 2362 } 2363 return -EINVAL; 2364} 2365 2366static int sony_nc_lid_resume_setup(struct platform_device *pd, 2367 unsigned int handle) 2368{ 2369 unsigned int result; 2370 int i; 2371 2372 if (sony_call_snc_handle(handle, 0x0000, &result)) 2373 return -EIO; 2374 2375 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2376 if (!lid_ctl) 2377 return -ENOMEM; 2378 2379 lid_ctl->status = result & 0x7; 2380 lid_ctl->handle = handle; 2381 2382 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2383 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2384 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2385 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2386 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2387 2388 if (handle == 0x0119) { 2389 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2390 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2391 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2392 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2393 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2394 2395 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2396 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2397 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2398 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2399 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2400 } 2401 for (i = 0; i < LID_RESUME_MAX && 2402 lid_ctl->attrs[i].attr.name; i++) { 2403 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2404 if (result) 2405 goto liderror; 2406 } 2407 2408 return 0; 2409 2410liderror: 2411 for (i--; i >= 0; i--) 2412 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2413 2414 kfree(lid_ctl); 2415 lid_ctl = NULL; 2416 2417 return result; 2418} 2419 2420static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2421{ 2422 int i; 2423 2424 if (lid_ctl) { 2425 for (i = 0; i < LID_RESUME_MAX; i++) { 2426 if (!lid_ctl->attrs[i].attr.name) 2427 break; 2428 2429 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2430 } 2431 2432 kfree(lid_ctl); 2433 lid_ctl = NULL; 2434 } 2435} 2436 2437/* GFX Switch position */ 2438enum gfx_switch { 2439 SPEED, 2440 STAMINA, 2441 AUTO 2442}; 2443struct snc_gfx_switch_control { 2444 struct device_attribute attr; 2445 unsigned int handle; 2446}; 2447static struct snc_gfx_switch_control *gfxs_ctl; 2448 2449/* returns 0 for speed, 1 for stamina */ 2450static int __sony_nc_gfx_switch_status_get(void) 2451{ 2452 unsigned int result; 2453 2454 if (sony_call_snc_handle(gfxs_ctl->handle, 2455 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2456 &result)) 2457 return -EIO; 2458 2459 switch (gfxs_ctl->handle) { 2460 case 0x0146: 2461 /* 1: discrete GFX (speed) 2462 * 0: integrated GFX (stamina) 2463 */ 2464 return result & 0x1 ? SPEED : STAMINA; 2465 case 0x015B: 2466 /* 0: discrete GFX (speed) 2467 * 1: integrated GFX (stamina) 2468 */ 2469 return result & 0x1 ? STAMINA : SPEED; 2470 case 0x0128: 2471 /* it's a more elaborated bitmask, for now: 2472 * 2: integrated GFX (stamina) 2473 * 0: discrete GFX (speed) 2474 */ 2475 dprintk("GFX Status: 0x%x\n", result); 2476 return result & 0x80 ? AUTO : 2477 result & 0x02 ? STAMINA : SPEED; 2478 } 2479 return -EINVAL; 2480} 2481 2482static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2483 struct device_attribute *attr, 2484 char *buffer) 2485{ 2486 int pos = __sony_nc_gfx_switch_status_get(); 2487 2488 if (pos < 0) 2489 return pos; 2490 2491 return sysfs_emit(buffer, "%s\n", 2492 pos == SPEED ? "speed" : 2493 pos == STAMINA ? "stamina" : 2494 pos == AUTO ? "auto" : "unknown"); 2495} 2496 2497static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2498 unsigned int handle) 2499{ 2500 unsigned int result; 2501 2502 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2503 if (!gfxs_ctl) 2504 return -ENOMEM; 2505 2506 gfxs_ctl->handle = handle; 2507 2508 sysfs_attr_init(&gfxs_ctl->attr.attr); 2509 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2510 gfxs_ctl->attr.attr.mode = S_IRUGO; 2511 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2512 2513 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2514 if (result) 2515 goto gfxerror; 2516 2517 return 0; 2518 2519gfxerror: 2520 kfree(gfxs_ctl); 2521 gfxs_ctl = NULL; 2522 2523 return result; 2524} 2525 2526static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2527{ 2528 if (gfxs_ctl) { 2529 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2530 2531 kfree(gfxs_ctl); 2532 gfxs_ctl = NULL; 2533 } 2534} 2535 2536/* High speed charging function */ 2537static struct device_attribute *hsc_handle; 2538 2539static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2540 struct device_attribute *attr, 2541 const char *buffer, size_t count) 2542{ 2543 unsigned int result; 2544 unsigned long value; 2545 2546 if (count > 31) 2547 return -EINVAL; 2548 2549 if (kstrtoul(buffer, 10, &value) || value > 1) 2550 return -EINVAL; 2551 2552 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2553 return -EIO; 2554 2555 return count; 2556} 2557 2558static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2559 struct device_attribute *attr, char *buffer) 2560{ 2561 unsigned int result; 2562 2563 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2564 return -EIO; 2565 2566 return sysfs_emit(buffer, "%d\n", result & 0x01); 2567} 2568 2569static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2570{ 2571 unsigned int result; 2572 2573 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2574 /* some models advertise the handle but have no implementation 2575 * for it 2576 */ 2577 pr_info("No High Speed Charging capability found\n"); 2578 return 0; 2579 } 2580 2581 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2582 if (!hsc_handle) 2583 return -ENOMEM; 2584 2585 sysfs_attr_init(&hsc_handle->attr); 2586 hsc_handle->attr.name = "battery_highspeed_charging"; 2587 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2588 hsc_handle->show = sony_nc_highspeed_charging_show; 2589 hsc_handle->store = sony_nc_highspeed_charging_store; 2590 2591 result = device_create_file(&pd->dev, hsc_handle); 2592 if (result) { 2593 kfree(hsc_handle); 2594 hsc_handle = NULL; 2595 return result; 2596 } 2597 2598 return 0; 2599} 2600 2601static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2602{ 2603 if (hsc_handle) { 2604 device_remove_file(&pd->dev, hsc_handle); 2605 kfree(hsc_handle); 2606 hsc_handle = NULL; 2607 } 2608} 2609 2610/* low battery function */ 2611static struct device_attribute *lowbatt_handle; 2612 2613static ssize_t sony_nc_lowbatt_store(struct device *dev, 2614 struct device_attribute *attr, 2615 const char *buffer, size_t count) 2616{ 2617 unsigned int result; 2618 unsigned long value; 2619 2620 if (count > 31) 2621 return -EINVAL; 2622 2623 if (kstrtoul(buffer, 10, &value) || value > 1) 2624 return -EINVAL; 2625 2626 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2627 return -EIO; 2628 2629 return count; 2630} 2631 2632static ssize_t sony_nc_lowbatt_show(struct device *dev, 2633 struct device_attribute *attr, char *buffer) 2634{ 2635 unsigned int result; 2636 2637 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2638 return -EIO; 2639 2640 return sysfs_emit(buffer, "%d\n", result & 1); 2641} 2642 2643static int sony_nc_lowbatt_setup(struct platform_device *pd) 2644{ 2645 unsigned int result; 2646 2647 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2648 if (!lowbatt_handle) 2649 return -ENOMEM; 2650 2651 sysfs_attr_init(&lowbatt_handle->attr); 2652 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2653 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2654 lowbatt_handle->show = sony_nc_lowbatt_show; 2655 lowbatt_handle->store = sony_nc_lowbatt_store; 2656 2657 result = device_create_file(&pd->dev, lowbatt_handle); 2658 if (result) { 2659 kfree(lowbatt_handle); 2660 lowbatt_handle = NULL; 2661 return result; 2662 } 2663 2664 return 0; 2665} 2666 2667static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2668{ 2669 if (lowbatt_handle) { 2670 device_remove_file(&pd->dev, lowbatt_handle); 2671 kfree(lowbatt_handle); 2672 lowbatt_handle = NULL; 2673 } 2674} 2675 2676/* fan speed function */ 2677static struct device_attribute *fan_handle, *hsf_handle; 2678 2679static ssize_t sony_nc_hsfan_store(struct device *dev, 2680 struct device_attribute *attr, 2681 const char *buffer, size_t count) 2682{ 2683 unsigned int result; 2684 unsigned long value; 2685 2686 if (count > 31) 2687 return -EINVAL; 2688 2689 if (kstrtoul(buffer, 10, &value) || value > 1) 2690 return -EINVAL; 2691 2692 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2693 return -EIO; 2694 2695 return count; 2696} 2697 2698static ssize_t sony_nc_hsfan_show(struct device *dev, 2699 struct device_attribute *attr, char *buffer) 2700{ 2701 unsigned int result; 2702 2703 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2704 return -EIO; 2705 2706 return sysfs_emit(buffer, "%d\n", result & 0x01); 2707} 2708 2709static ssize_t sony_nc_fanspeed_show(struct device *dev, 2710 struct device_attribute *attr, char *buffer) 2711{ 2712 unsigned int result; 2713 2714 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2715 return -EIO; 2716 2717 return sysfs_emit(buffer, "%d\n", result & 0xff); 2718} 2719 2720static int sony_nc_fanspeed_setup(struct platform_device *pd) 2721{ 2722 unsigned int result; 2723 2724 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2725 if (!fan_handle) 2726 return -ENOMEM; 2727 2728 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2729 if (!hsf_handle) { 2730 result = -ENOMEM; 2731 goto out_hsf_handle_alloc; 2732 } 2733 2734 sysfs_attr_init(&fan_handle->attr); 2735 fan_handle->attr.name = "fanspeed"; 2736 fan_handle->attr.mode = S_IRUGO; 2737 fan_handle->show = sony_nc_fanspeed_show; 2738 fan_handle->store = NULL; 2739 2740 sysfs_attr_init(&hsf_handle->attr); 2741 hsf_handle->attr.name = "fan_forced"; 2742 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2743 hsf_handle->show = sony_nc_hsfan_show; 2744 hsf_handle->store = sony_nc_hsfan_store; 2745 2746 result = device_create_file(&pd->dev, fan_handle); 2747 if (result) 2748 goto out_fan_handle; 2749 2750 result = device_create_file(&pd->dev, hsf_handle); 2751 if (result) 2752 goto out_hsf_handle; 2753 2754 return 0; 2755 2756out_hsf_handle: 2757 device_remove_file(&pd->dev, fan_handle); 2758 2759out_fan_handle: 2760 kfree(hsf_handle); 2761 hsf_handle = NULL; 2762 2763out_hsf_handle_alloc: 2764 kfree(fan_handle); 2765 fan_handle = NULL; 2766 return result; 2767} 2768 2769static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2770{ 2771 if (fan_handle) { 2772 device_remove_file(&pd->dev, fan_handle); 2773 kfree(fan_handle); 2774 fan_handle = NULL; 2775 } 2776 if (hsf_handle) { 2777 device_remove_file(&pd->dev, hsf_handle); 2778 kfree(hsf_handle); 2779 hsf_handle = NULL; 2780 } 2781} 2782 2783/* USB charge function */ 2784static struct device_attribute *uc_handle; 2785 2786static ssize_t sony_nc_usb_charge_store(struct device *dev, 2787 struct device_attribute *attr, 2788 const char *buffer, size_t count) 2789{ 2790 unsigned int result; 2791 unsigned long value; 2792 2793 if (count > 31) 2794 return -EINVAL; 2795 2796 if (kstrtoul(buffer, 10, &value) || value > 1) 2797 return -EINVAL; 2798 2799 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2800 return -EIO; 2801 2802 return count; 2803} 2804 2805static ssize_t sony_nc_usb_charge_show(struct device *dev, 2806 struct device_attribute *attr, char *buffer) 2807{ 2808 unsigned int result; 2809 2810 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2811 return -EIO; 2812 2813 return sysfs_emit(buffer, "%d\n", result & 0x01); 2814} 2815 2816static int sony_nc_usb_charge_setup(struct platform_device *pd) 2817{ 2818 unsigned int result; 2819 2820 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2821 /* some models advertise the handle but have no implementation 2822 * for it 2823 */ 2824 pr_info("No USB Charge capability found\n"); 2825 return 0; 2826 } 2827 2828 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2829 if (!uc_handle) 2830 return -ENOMEM; 2831 2832 sysfs_attr_init(&uc_handle->attr); 2833 uc_handle->attr.name = "usb_charge"; 2834 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2835 uc_handle->show = sony_nc_usb_charge_show; 2836 uc_handle->store = sony_nc_usb_charge_store; 2837 2838 result = device_create_file(&pd->dev, uc_handle); 2839 if (result) { 2840 kfree(uc_handle); 2841 uc_handle = NULL; 2842 return result; 2843 } 2844 2845 return 0; 2846} 2847 2848static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2849{ 2850 if (uc_handle) { 2851 device_remove_file(&pd->dev, uc_handle); 2852 kfree(uc_handle); 2853 uc_handle = NULL; 2854 } 2855} 2856 2857/* Panel ID function */ 2858static struct device_attribute *panel_handle; 2859 2860static ssize_t sony_nc_panelid_show(struct device *dev, 2861 struct device_attribute *attr, char *buffer) 2862{ 2863 unsigned int result; 2864 2865 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2866 return -EIO; 2867 2868 return sysfs_emit(buffer, "%d\n", result); 2869} 2870 2871static int sony_nc_panelid_setup(struct platform_device *pd) 2872{ 2873 unsigned int result; 2874 2875 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2876 if (!panel_handle) 2877 return -ENOMEM; 2878 2879 sysfs_attr_init(&panel_handle->attr); 2880 panel_handle->attr.name = "panel_id"; 2881 panel_handle->attr.mode = S_IRUGO; 2882 panel_handle->show = sony_nc_panelid_show; 2883 panel_handle->store = NULL; 2884 2885 result = device_create_file(&pd->dev, panel_handle); 2886 if (result) { 2887 kfree(panel_handle); 2888 panel_handle = NULL; 2889 return result; 2890 } 2891 2892 return 0; 2893} 2894 2895static void sony_nc_panelid_cleanup(struct platform_device *pd) 2896{ 2897 if (panel_handle) { 2898 device_remove_file(&pd->dev, panel_handle); 2899 kfree(panel_handle); 2900 panel_handle = NULL; 2901 } 2902} 2903 2904/* smart connect function */ 2905static struct device_attribute *sc_handle; 2906 2907static ssize_t sony_nc_smart_conn_store(struct device *dev, 2908 struct device_attribute *attr, 2909 const char *buffer, size_t count) 2910{ 2911 unsigned int result; 2912 unsigned long value; 2913 2914 if (count > 31) 2915 return -EINVAL; 2916 2917 if (kstrtoul(buffer, 10, &value) || value > 1) 2918 return -EINVAL; 2919 2920 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2921 return -EIO; 2922 2923 return count; 2924} 2925 2926static int sony_nc_smart_conn_setup(struct platform_device *pd) 2927{ 2928 unsigned int result; 2929 2930 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2931 if (!sc_handle) 2932 return -ENOMEM; 2933 2934 sysfs_attr_init(&sc_handle->attr); 2935 sc_handle->attr.name = "smart_connect"; 2936 sc_handle->attr.mode = S_IWUSR; 2937 sc_handle->show = NULL; 2938 sc_handle->store = sony_nc_smart_conn_store; 2939 2940 result = device_create_file(&pd->dev, sc_handle); 2941 if (result) { 2942 kfree(sc_handle); 2943 sc_handle = NULL; 2944 return result; 2945 } 2946 2947 return 0; 2948} 2949 2950static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2951{ 2952 if (sc_handle) { 2953 device_remove_file(&pd->dev, sc_handle); 2954 kfree(sc_handle); 2955 sc_handle = NULL; 2956 } 2957} 2958 2959/* Touchpad enable/disable */ 2960struct touchpad_control { 2961 struct device_attribute attr; 2962 int handle; 2963}; 2964static struct touchpad_control *tp_ctl; 2965 2966static ssize_t sony_nc_touchpad_store(struct device *dev, 2967 struct device_attribute *attr, const char *buffer, size_t count) 2968{ 2969 unsigned int result; 2970 unsigned long value; 2971 2972 if (count > 31) 2973 return -EINVAL; 2974 2975 if (kstrtoul(buffer, 10, &value) || value > 1) 2976 return -EINVAL; 2977 2978 /* sysfs: 0 disabled, 1 enabled 2979 * EC: 0 enabled, 1 disabled 2980 */ 2981 if (sony_call_snc_handle(tp_ctl->handle, 2982 (!value << 0x10) | 0x100, &result)) 2983 return -EIO; 2984 2985 return count; 2986} 2987 2988static ssize_t sony_nc_touchpad_show(struct device *dev, 2989 struct device_attribute *attr, char *buffer) 2990{ 2991 unsigned int result; 2992 2993 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2994 return -EINVAL; 2995 2996 return sysfs_emit(buffer, "%d\n", !(result & 0x01)); 2997} 2998 2999static int sony_nc_touchpad_setup(struct platform_device *pd, 3000 unsigned int handle) 3001{ 3002 int ret = 0; 3003 3004 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3005 if (!tp_ctl) 3006 return -ENOMEM; 3007 3008 tp_ctl->handle = handle; 3009 3010 sysfs_attr_init(&tp_ctl->attr.attr); 3011 tp_ctl->attr.attr.name = "touchpad"; 3012 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3013 tp_ctl->attr.show = sony_nc_touchpad_show; 3014 tp_ctl->attr.store = sony_nc_touchpad_store; 3015 3016 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3017 if (ret) { 3018 kfree(tp_ctl); 3019 tp_ctl = NULL; 3020 } 3021 3022 return ret; 3023} 3024 3025static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3026{ 3027 if (tp_ctl) { 3028 device_remove_file(&pd->dev, &tp_ctl->attr); 3029 kfree(tp_ctl); 3030 tp_ctl = NULL; 3031 } 3032} 3033 3034static void sony_nc_backlight_ng_read_limits(int handle, 3035 struct sony_backlight_props *props) 3036{ 3037 u64 offset; 3038 int i; 3039 int lvl_table_len = 0; 3040 u8 min = 0xff, max = 0x00; 3041 unsigned char buffer[32] = { 0 }; 3042 3043 props->handle = handle; 3044 props->offset = 0; 3045 props->maxlvl = 0xff; 3046 3047 offset = sony_find_snc_handle(handle); 3048 3049 /* try to read the boundaries from ACPI tables, if we fail the above 3050 * defaults should be reasonable 3051 */ 3052 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3053 32); 3054 if (i < 0) 3055 return; 3056 3057 switch (handle) { 3058 case 0x012f: 3059 case 0x0137: 3060 lvl_table_len = 9; 3061 break; 3062 case 0x143: 3063 case 0x14b: 3064 case 0x14c: 3065 lvl_table_len = 16; 3066 break; 3067 } 3068 3069 /* the buffer lists brightness levels available, brightness levels are 3070 * from position 0 to 8 in the array, other values are used by ALS 3071 * control. 3072 */ 3073 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3074 3075 dprintk("Brightness level: %d\n", buffer[i]); 3076 3077 if (!buffer[i]) 3078 break; 3079 3080 if (buffer[i] > max) 3081 max = buffer[i]; 3082 if (buffer[i] < min) 3083 min = buffer[i]; 3084 } 3085 props->offset = min; 3086 props->maxlvl = max; 3087 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3088 props->maxlvl); 3089} 3090 3091static void sony_nc_backlight_setup(void) 3092{ 3093 int max_brightness = 0; 3094 const struct backlight_ops *ops = NULL; 3095 struct backlight_properties props; 3096 3097 if (sony_find_snc_handle(0x12f) >= 0) { 3098 ops = &sony_backlight_ng_ops; 3099 sony_bl_props.cmd_base = 0x0100; 3100 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3101 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3102 3103 } else if (sony_find_snc_handle(0x137) >= 0) { 3104 ops = &sony_backlight_ng_ops; 3105 sony_bl_props.cmd_base = 0x0100; 3106 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3107 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3108 3109 } else if (sony_find_snc_handle(0x143) >= 0) { 3110 ops = &sony_backlight_ng_ops; 3111 sony_bl_props.cmd_base = 0x3000; 3112 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3113 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3114 3115 } else if (sony_find_snc_handle(0x14b) >= 0) { 3116 ops = &sony_backlight_ng_ops; 3117 sony_bl_props.cmd_base = 0x3000; 3118 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3119 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3120 3121 } else if (sony_find_snc_handle(0x14c) >= 0) { 3122 ops = &sony_backlight_ng_ops; 3123 sony_bl_props.cmd_base = 0x3000; 3124 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3125 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3126 3127 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3128 ops = &sony_backlight_ops; 3129 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3130 3131 } else 3132 return; 3133 3134 memset(&props, 0, sizeof(struct backlight_properties)); 3135 props.type = BACKLIGHT_PLATFORM; 3136 props.max_brightness = max_brightness; 3137 sony_bl_props.dev = backlight_device_register("sony", NULL, 3138 &sony_bl_props, 3139 ops, &props); 3140 3141 if (IS_ERR(sony_bl_props.dev)) { 3142 pr_warn("unable to register backlight device\n"); 3143 sony_bl_props.dev = NULL; 3144 } else 3145 sony_bl_props.dev->props.brightness = 3146 ops->get_brightness(sony_bl_props.dev); 3147} 3148 3149static void sony_nc_backlight_cleanup(void) 3150{ 3151 backlight_device_unregister(sony_bl_props.dev); 3152} 3153 3154static int sony_nc_add(struct acpi_device *device) 3155{ 3156 acpi_status status; 3157 int result = 0; 3158 struct sony_nc_value *item; 3159 3160 sony_nc_acpi_device = device; 3161 strcpy(acpi_device_class(device), "sony/hotkey"); 3162 3163 sony_nc_acpi_handle = device->handle; 3164 3165 /* read device status */ 3166 result = acpi_bus_get_status(device); 3167 /* bail IFF the above call was successful and the device is not present */ 3168 if (!result && !device->status.present) { 3169 dprintk("Device not present\n"); 3170 result = -ENODEV; 3171 goto outwalk; 3172 } 3173 3174 result = sony_pf_add(); 3175 if (result) 3176 goto outpresent; 3177 3178 if (debug) { 3179 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3180 sony_nc_acpi_handle, 1, sony_walk_callback, 3181 NULL, NULL, NULL); 3182 if (ACPI_FAILURE(status)) { 3183 pr_warn("unable to walk acpi resources\n"); 3184 result = -ENODEV; 3185 goto outpresent; 3186 } 3187 } 3188 3189 result = sony_laptop_setup_input(device); 3190 if (result) { 3191 pr_err("Unable to create input devices\n"); 3192 goto outplatform; 3193 } 3194 3195 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3196 int arg = 1; 3197 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3198 dprintk("ECON Method failed\n"); 3199 } 3200 3201 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3202 dprintk("Doing SNC setup\n"); 3203 /* retrieve the available handles */ 3204 result = sony_nc_handles_setup(sony_pf_device); 3205 if (!result) 3206 sony_nc_function_setup(device, sony_pf_device); 3207 } 3208 3209 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3210 sony_nc_backlight_setup(); 3211 3212 /* create sony_pf sysfs attributes related to the SNC device */ 3213 for (item = sony_nc_values; item->name; ++item) { 3214 3215 if (!debug && item->debug) 3216 continue; 3217 3218 /* find the available acpiget as described in the DSDT */ 3219 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3220 if (acpi_has_method(sony_nc_acpi_handle, 3221 *item->acpiget)) { 3222 dprintk("Found %s getter: %s\n", 3223 item->name, *item->acpiget); 3224 item->devattr.attr.mode |= S_IRUGO; 3225 break; 3226 } 3227 } 3228 3229 /* find the available acpiset as described in the DSDT */ 3230 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3231 if (acpi_has_method(sony_nc_acpi_handle, 3232 *item->acpiset)) { 3233 dprintk("Found %s setter: %s\n", 3234 item->name, *item->acpiset); 3235 item->devattr.attr.mode |= S_IWUSR; 3236 break; 3237 } 3238 } 3239 3240 if (item->devattr.attr.mode != 0) { 3241 result = 3242 device_create_file(&sony_pf_device->dev, 3243 &item->devattr); 3244 if (result) 3245 goto out_sysfs; 3246 } 3247 } 3248 3249 pr_info("SNC setup done.\n"); 3250 return 0; 3251 3252out_sysfs: 3253 for (item = sony_nc_values; item->name; ++item) { 3254 device_remove_file(&sony_pf_device->dev, &item->devattr); 3255 } 3256 sony_nc_backlight_cleanup(); 3257 sony_nc_function_cleanup(sony_pf_device); 3258 sony_nc_handles_cleanup(sony_pf_device); 3259 3260outplatform: 3261 sony_laptop_remove_input(); 3262 3263outpresent: 3264 sony_pf_remove(); 3265 3266outwalk: 3267 sony_nc_rfkill_cleanup(); 3268 return result; 3269} 3270 3271static void sony_nc_remove(struct acpi_device *device) 3272{ 3273 struct sony_nc_value *item; 3274 3275 sony_nc_backlight_cleanup(); 3276 3277 sony_nc_acpi_device = NULL; 3278 3279 for (item = sony_nc_values; item->name; ++item) { 3280 device_remove_file(&sony_pf_device->dev, &item->devattr); 3281 } 3282 3283 sony_nc_function_cleanup(sony_pf_device); 3284 sony_nc_handles_cleanup(sony_pf_device); 3285 sony_pf_remove(); 3286 sony_laptop_remove_input(); 3287 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3288} 3289 3290static const struct acpi_device_id sony_device_ids[] __maybe_unused = { 3291 {SONY_NC_HID, 0}, 3292 {SONY_PIC_HID, 0}, 3293 {"", 0}, 3294}; 3295MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3296 3297static const struct acpi_device_id sony_nc_device_ids[] = { 3298 {SONY_NC_HID, 0}, 3299 {"", 0}, 3300}; 3301 3302static struct acpi_driver sony_nc_driver = { 3303 .name = SONY_NC_DRIVER_NAME, 3304 .class = SONY_NC_CLASS, 3305 .ids = sony_nc_device_ids, 3306 .owner = THIS_MODULE, 3307 .ops = { 3308 .add = sony_nc_add, 3309 .remove = sony_nc_remove, 3310 .notify = sony_nc_notify, 3311 }, 3312 .drv.pm = &sony_nc_pm, 3313}; 3314 3315/*********** SPIC (SNY6001) Device ***********/ 3316 3317#define SONYPI_DEVICE_TYPE1 0x00000001 3318#define SONYPI_DEVICE_TYPE2 0x00000002 3319#define SONYPI_DEVICE_TYPE3 0x00000004 3320 3321#define SONYPI_TYPE1_OFFSET 0x04 3322#define SONYPI_TYPE2_OFFSET 0x12 3323#define SONYPI_TYPE3_OFFSET 0x12 3324 3325struct sony_pic_ioport { 3326 struct acpi_resource_io io1; 3327 struct acpi_resource_io io2; 3328 struct list_head list; 3329}; 3330 3331struct sony_pic_irq { 3332 struct acpi_resource_irq irq; 3333 struct list_head list; 3334}; 3335 3336struct sonypi_eventtypes { 3337 u8 data; 3338 unsigned long mask; 3339 struct sonypi_event *events; 3340}; 3341 3342struct sony_pic_dev { 3343 struct acpi_device *acpi_dev; 3344 struct sony_pic_irq *cur_irq; 3345 struct sony_pic_ioport *cur_ioport; 3346 struct list_head interrupts; 3347 struct list_head ioports; 3348 struct mutex lock; 3349 struct sonypi_eventtypes *event_types; 3350 int (*handle_irq)(const u8, const u8); 3351 int model; 3352 u16 evport_offset; 3353 u8 camera_power; 3354 u8 bluetooth_power; 3355 u8 wwan_power; 3356}; 3357 3358static struct sony_pic_dev spic_dev = { 3359 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3360 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3361}; 3362 3363static int spic_drv_registered; 3364 3365/* Event masks */ 3366#define SONYPI_JOGGER_MASK 0x00000001 3367#define SONYPI_CAPTURE_MASK 0x00000002 3368#define SONYPI_FNKEY_MASK 0x00000004 3369#define SONYPI_BLUETOOTH_MASK 0x00000008 3370#define SONYPI_PKEY_MASK 0x00000010 3371#define SONYPI_BACK_MASK 0x00000020 3372#define SONYPI_HELP_MASK 0x00000040 3373#define SONYPI_LID_MASK 0x00000080 3374#define SONYPI_ZOOM_MASK 0x00000100 3375#define SONYPI_THUMBPHRASE_MASK 0x00000200 3376#define SONYPI_MEYE_MASK 0x00000400 3377#define SONYPI_MEMORYSTICK_MASK 0x00000800 3378#define SONYPI_BATTERY_MASK 0x00001000 3379#define SONYPI_WIRELESS_MASK 0x00002000 3380 3381struct sonypi_event { 3382 u8 data; 3383 u8 event; 3384}; 3385 3386/* The set of possible button release events */ 3387static struct sonypi_event sonypi_releaseev[] = { 3388 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3389 { 0, 0 } 3390}; 3391 3392/* The set of possible jogger events */ 3393static struct sonypi_event sonypi_joggerev[] = { 3394 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3395 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3396 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3397 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3398 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3399 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3400 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3401 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3402 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3403 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3404 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3405 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3406 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3407 { 0, 0 } 3408}; 3409 3410/* The set of possible capture button events */ 3411static struct sonypi_event sonypi_captureev[] = { 3412 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3413 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3414 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3415 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3416 { 0, 0 } 3417}; 3418 3419/* The set of possible fnkeys events */ 3420static struct sonypi_event sonypi_fnkeyev[] = { 3421 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3422 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3423 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3424 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3425 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3426 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3427 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3428 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3429 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3430 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3431 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3432 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3433 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3434 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3435 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3436 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3437 { 0x31, SONYPI_EVENT_FNKEY_D }, 3438 { 0x32, SONYPI_EVENT_FNKEY_E }, 3439 { 0x33, SONYPI_EVENT_FNKEY_F }, 3440 { 0x34, SONYPI_EVENT_FNKEY_S }, 3441 { 0x35, SONYPI_EVENT_FNKEY_B }, 3442 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3443 { 0, 0 } 3444}; 3445 3446/* The set of possible program key events */ 3447static struct sonypi_event sonypi_pkeyev[] = { 3448 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3449 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3450 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3451 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3452 { 0, 0 } 3453}; 3454 3455/* The set of possible bluetooth events */ 3456static struct sonypi_event sonypi_blueev[] = { 3457 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3458 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3459 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3460 { 0, 0 } 3461}; 3462 3463/* The set of possible wireless events */ 3464static struct sonypi_event sonypi_wlessev[] = { 3465 { 0x59, SONYPI_EVENT_IGNORE }, 3466 { 0x5a, SONYPI_EVENT_IGNORE }, 3467 { 0, 0 } 3468}; 3469 3470/* The set of possible back button events */ 3471static struct sonypi_event sonypi_backev[] = { 3472 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3473 { 0, 0 } 3474}; 3475 3476/* The set of possible help button events */ 3477static struct sonypi_event sonypi_helpev[] = { 3478 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3479 { 0, 0 } 3480}; 3481 3482 3483/* The set of possible lid events */ 3484static struct sonypi_event sonypi_lidev[] = { 3485 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3486 { 0x50, SONYPI_EVENT_LID_OPENED }, 3487 { 0, 0 } 3488}; 3489 3490/* The set of possible zoom events */ 3491static struct sonypi_event sonypi_zoomev[] = { 3492 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3493 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3494 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3495 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3496 { 0, 0 } 3497}; 3498 3499/* The set of possible thumbphrase events */ 3500static struct sonypi_event sonypi_thumbphraseev[] = { 3501 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3502 { 0, 0 } 3503}; 3504 3505/* The set of possible motioneye camera events */ 3506static struct sonypi_event sonypi_meyeev[] = { 3507 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3508 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3509 { 0, 0 } 3510}; 3511 3512/* The set of possible memorystick events */ 3513static struct sonypi_event sonypi_memorystickev[] = { 3514 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3515 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3516 { 0, 0 } 3517}; 3518 3519/* The set of possible battery events */ 3520static struct sonypi_event sonypi_batteryev[] = { 3521 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3522 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3523 { 0, 0 } 3524}; 3525 3526/* The set of possible volume events */ 3527static struct sonypi_event sonypi_volumeev[] = { 3528 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3529 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3530 { 0, 0 } 3531}; 3532 3533/* The set of possible brightness events */ 3534static struct sonypi_event sonypi_brightnessev[] = { 3535 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3536 { 0, 0 } 3537}; 3538 3539static struct sonypi_eventtypes type1_events[] = { 3540 { 0, 0xffffffff, sonypi_releaseev }, 3541 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3542 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3543 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3544 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3545 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3546 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3547 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3548 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3549 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3550 { 0 }, 3551}; 3552static struct sonypi_eventtypes type2_events[] = { 3553 { 0, 0xffffffff, sonypi_releaseev }, 3554 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3555 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3556 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3557 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3558 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3559 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3560 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3561 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3562 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3563 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3564 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3565 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3566 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3567 { 0 }, 3568}; 3569static struct sonypi_eventtypes type3_events[] = { 3570 { 0, 0xffffffff, sonypi_releaseev }, 3571 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3572 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3573 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3574 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3575 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3576 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3577 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3578 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3579 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3580 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3581 { 0 }, 3582}; 3583 3584/* low level spic calls */ 3585#define ITERATIONS_LONG 10000 3586#define ITERATIONS_SHORT 10 3587#define wait_on_command(command, iterations) { \ 3588 unsigned int n = iterations; \ 3589 while (--n && (command)) \ 3590 udelay(1); \ 3591 if (!n) \ 3592 dprintk("command failed at %s : %s (line %d)\n", \ 3593 __FILE__, __func__, __LINE__); \ 3594} 3595 3596static u8 sony_pic_call1(u8 dev) 3597{ 3598 u8 v1, v2; 3599 3600 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3601 ITERATIONS_LONG); 3602 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3603 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3604 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3605 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3606 return v2; 3607} 3608 3609static u8 sony_pic_call2(u8 dev, u8 fn) 3610{ 3611 u8 v1; 3612 3613 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3614 ITERATIONS_LONG); 3615 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3616 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3617 ITERATIONS_LONG); 3618 outb(fn, spic_dev.cur_ioport->io1.minimum); 3619 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3620 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3621 return v1; 3622} 3623 3624static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3625{ 3626 u8 v1; 3627 3628 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3629 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3630 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3631 outb(fn, spic_dev.cur_ioport->io1.minimum); 3632 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3633 outb(v, spic_dev.cur_ioport->io1.minimum); 3634 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3635 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3636 dev, fn, v, v1); 3637 return v1; 3638} 3639 3640/* 3641 * minidrivers for SPIC models 3642 */ 3643static int type3_handle_irq(const u8 data_mask, const u8 ev) 3644{ 3645 /* 3646 * 0x31 could mean we have to take some extra action and wait for 3647 * the next irq for some Type3 models, it will generate a new 3648 * irq and we can read new data from the device: 3649 * - 0x5c and 0x5f requires 0xA0 3650 * - 0x61 requires 0xB3 3651 */ 3652 if (data_mask == 0x31) { 3653 if (ev == 0x5c || ev == 0x5f) 3654 sony_pic_call1(0xA0); 3655 else if (ev == 0x61) 3656 sony_pic_call1(0xB3); 3657 return 0; 3658 } 3659 return 1; 3660} 3661 3662static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3663{ 3664 struct pci_dev *pcidev; 3665 3666 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3667 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3668 if (pcidev) { 3669 dev->model = SONYPI_DEVICE_TYPE1; 3670 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3671 dev->event_types = type1_events; 3672 goto out; 3673 } 3674 3675 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3676 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3677 if (pcidev) { 3678 dev->model = SONYPI_DEVICE_TYPE2; 3679 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3680 dev->event_types = type2_events; 3681 goto out; 3682 } 3683 3684 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3685 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3686 if (pcidev) { 3687 dev->model = SONYPI_DEVICE_TYPE3; 3688 dev->handle_irq = type3_handle_irq; 3689 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3690 dev->event_types = type3_events; 3691 goto out; 3692 } 3693 3694 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3695 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3696 if (pcidev) { 3697 dev->model = SONYPI_DEVICE_TYPE3; 3698 dev->handle_irq = type3_handle_irq; 3699 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3700 dev->event_types = type3_events; 3701 goto out; 3702 } 3703 3704 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3705 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3706 if (pcidev) { 3707 dev->model = SONYPI_DEVICE_TYPE3; 3708 dev->handle_irq = type3_handle_irq; 3709 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3710 dev->event_types = type3_events; 3711 goto out; 3712 } 3713 3714 /* default */ 3715 dev->model = SONYPI_DEVICE_TYPE2; 3716 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3717 dev->event_types = type2_events; 3718 3719out: 3720 pci_dev_put(pcidev); 3721 3722 pr_info("detected Type%d model\n", 3723 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3724 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3725} 3726 3727/* camera tests and poweron/poweroff */ 3728#define SONYPI_CAMERA_PICTURE 5 3729#define SONYPI_CAMERA_CONTROL 0x10 3730 3731#define SONYPI_CAMERA_BRIGHTNESS 0 3732#define SONYPI_CAMERA_CONTRAST 1 3733#define SONYPI_CAMERA_HUE 2 3734#define SONYPI_CAMERA_COLOR 3 3735#define SONYPI_CAMERA_SHARPNESS 4 3736 3737#define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3738#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3739#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3740#define SONYPI_CAMERA_MUTE_MASK 0x40 3741 3742/* the rest don't need a loop until not 0xff */ 3743#define SONYPI_CAMERA_AGC 6 3744#define SONYPI_CAMERA_AGC_MASK 0x30 3745#define SONYPI_CAMERA_SHUTTER_MASK 0x7 3746 3747#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3748#define SONYPI_CAMERA_CONTROL 0x10 3749 3750#define SONYPI_CAMERA_STATUS 7 3751#define SONYPI_CAMERA_STATUS_READY 0x2 3752#define SONYPI_CAMERA_STATUS_POSITION 0x4 3753 3754#define SONYPI_DIRECTION_BACKWARDS 0x4 3755 3756#define SONYPI_CAMERA_REVISION 8 3757#define SONYPI_CAMERA_ROMVERSION 9 3758 3759static int __sony_pic_camera_ready(void) 3760{ 3761 u8 v; 3762 3763 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3764 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3765} 3766 3767static int __sony_pic_camera_off(void) 3768{ 3769 if (!camera) { 3770 pr_warn("camera control not enabled\n"); 3771 return -ENODEV; 3772 } 3773 3774 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3775 SONYPI_CAMERA_MUTE_MASK), 3776 ITERATIONS_SHORT); 3777 3778 if (spic_dev.camera_power) { 3779 sony_pic_call2(0x91, 0); 3780 spic_dev.camera_power = 0; 3781 } 3782 return 0; 3783} 3784 3785static int __sony_pic_camera_on(void) 3786{ 3787 int i, j, x; 3788 3789 if (!camera) { 3790 pr_warn("camera control not enabled\n"); 3791 return -ENODEV; 3792 } 3793 3794 if (spic_dev.camera_power) 3795 return 0; 3796 3797 for (j = 5; j > 0; j--) { 3798 3799 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3800 msleep(10); 3801 sony_pic_call1(0x93); 3802 3803 for (i = 400; i > 0; i--) { 3804 if (__sony_pic_camera_ready()) 3805 break; 3806 msleep(10); 3807 } 3808 if (i) 3809 break; 3810 } 3811 3812 if (j == 0) { 3813 pr_warn("failed to power on camera\n"); 3814 return -ENODEV; 3815 } 3816 3817 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3818 0x5a), 3819 ITERATIONS_SHORT); 3820 3821 spic_dev.camera_power = 1; 3822 return 0; 3823} 3824 3825/* External camera command (exported to the motion eye v4l driver) */ 3826int sony_pic_camera_command(int command, u8 value) 3827{ 3828 if (!camera) 3829 return -EIO; 3830 3831 mutex_lock(&spic_dev.lock); 3832 3833 switch (command) { 3834 case SONY_PIC_COMMAND_SETCAMERA: 3835 if (value) 3836 __sony_pic_camera_on(); 3837 else 3838 __sony_pic_camera_off(); 3839 break; 3840 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3842 ITERATIONS_SHORT); 3843 break; 3844 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3845 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3846 ITERATIONS_SHORT); 3847 break; 3848 case SONY_PIC_COMMAND_SETCAMERAHUE: 3849 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3850 ITERATIONS_SHORT); 3851 break; 3852 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3853 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3854 ITERATIONS_SHORT); 3855 break; 3856 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3857 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3858 ITERATIONS_SHORT); 3859 break; 3860 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3861 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3862 ITERATIONS_SHORT); 3863 break; 3864 case SONY_PIC_COMMAND_SETCAMERAAGC: 3865 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3866 ITERATIONS_SHORT); 3867 break; 3868 default: 3869 pr_err("sony_pic_camera_command invalid: %d\n", command); 3870 break; 3871 } 3872 mutex_unlock(&spic_dev.lock); 3873 return 0; 3874} 3875EXPORT_SYMBOL(sony_pic_camera_command); 3876 3877/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3878static void __sony_pic_set_wwanpower(u8 state) 3879{ 3880 state = !!state; 3881 if (spic_dev.wwan_power == state) 3882 return; 3883 sony_pic_call2(0xB0, state); 3884 sony_pic_call1(0x82); 3885 spic_dev.wwan_power = state; 3886} 3887 3888static ssize_t sony_pic_wwanpower_store(struct device *dev, 3889 struct device_attribute *attr, 3890 const char *buffer, size_t count) 3891{ 3892 unsigned long value; 3893 if (count > 31) 3894 return -EINVAL; 3895 3896 if (kstrtoul(buffer, 10, &value)) 3897 return -EINVAL; 3898 3899 mutex_lock(&spic_dev.lock); 3900 __sony_pic_set_wwanpower(value); 3901 mutex_unlock(&spic_dev.lock); 3902 3903 return count; 3904} 3905 3906static ssize_t sony_pic_wwanpower_show(struct device *dev, 3907 struct device_attribute *attr, char *buffer) 3908{ 3909 ssize_t count; 3910 mutex_lock(&spic_dev.lock); 3911 count = sysfs_emit(buffer, "%d\n", spic_dev.wwan_power); 3912 mutex_unlock(&spic_dev.lock); 3913 return count; 3914} 3915 3916/* bluetooth subsystem power state */ 3917static void __sony_pic_set_bluetoothpower(u8 state) 3918{ 3919 state = !!state; 3920 if (spic_dev.bluetooth_power == state) 3921 return; 3922 sony_pic_call2(0x96, state); 3923 sony_pic_call1(0x82); 3924 spic_dev.bluetooth_power = state; 3925} 3926 3927static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3928 struct device_attribute *attr, 3929 const char *buffer, size_t count) 3930{ 3931 unsigned long value; 3932 if (count > 31) 3933 return -EINVAL; 3934 3935 if (kstrtoul(buffer, 10, &value)) 3936 return -EINVAL; 3937 3938 mutex_lock(&spic_dev.lock); 3939 __sony_pic_set_bluetoothpower(value); 3940 mutex_unlock(&spic_dev.lock); 3941 3942 return count; 3943} 3944 3945static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3946 struct device_attribute *attr, char *buffer) 3947{ 3948 ssize_t count = 0; 3949 mutex_lock(&spic_dev.lock); 3950 count = sysfs_emit(buffer, "%d\n", spic_dev.bluetooth_power); 3951 mutex_unlock(&spic_dev.lock); 3952 return count; 3953} 3954 3955/* fan speed */ 3956/* FAN0 information (reverse engineered from ACPI tables) */ 3957#define SONY_PIC_FAN0_STATUS 0x93 3958static int sony_pic_set_fanspeed(unsigned long value) 3959{ 3960 return ec_write(SONY_PIC_FAN0_STATUS, value); 3961} 3962 3963static int sony_pic_get_fanspeed(u8 *value) 3964{ 3965 return ec_read(SONY_PIC_FAN0_STATUS, value); 3966} 3967 3968static ssize_t sony_pic_fanspeed_store(struct device *dev, 3969 struct device_attribute *attr, 3970 const char *buffer, size_t count) 3971{ 3972 unsigned long value; 3973 if (count > 31) 3974 return -EINVAL; 3975 3976 if (kstrtoul(buffer, 10, &value)) 3977 return -EINVAL; 3978 3979 if (sony_pic_set_fanspeed(value)) 3980 return -EIO; 3981 3982 return count; 3983} 3984 3985static ssize_t sony_pic_fanspeed_show(struct device *dev, 3986 struct device_attribute *attr, char *buffer) 3987{ 3988 u8 value = 0; 3989 if (sony_pic_get_fanspeed(&value)) 3990 return -EIO; 3991 3992 return sysfs_emit(buffer, "%d\n", value); 3993} 3994 3995#define SPIC_ATTR(_name, _mode) \ 3996struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3997 _mode, sony_pic_## _name ##_show, \ 3998 sony_pic_## _name ##_store) 3999 4000static SPIC_ATTR(bluetoothpower, 0644); 4001static SPIC_ATTR(wwanpower, 0644); 4002static SPIC_ATTR(fanspeed, 0644); 4003 4004static struct attribute *spic_attributes[] = { 4005 &spic_attr_bluetoothpower.attr, 4006 &spic_attr_wwanpower.attr, 4007 &spic_attr_fanspeed.attr, 4008 NULL 4009}; 4010 4011static const struct attribute_group spic_attribute_group = { 4012 .attrs = spic_attributes 4013}; 4014 4015/******** SONYPI compatibility **********/ 4016#ifdef CONFIG_SONYPI_COMPAT 4017 4018/* battery / brightness / temperature addresses */ 4019#define SONYPI_BAT_FLAGS 0x81 4020#define SONYPI_LCD_LIGHT 0x96 4021#define SONYPI_BAT1_PCTRM 0xa0 4022#define SONYPI_BAT1_LEFT 0xa2 4023#define SONYPI_BAT1_MAXRT 0xa4 4024#define SONYPI_BAT2_PCTRM 0xa8 4025#define SONYPI_BAT2_LEFT 0xaa 4026#define SONYPI_BAT2_MAXRT 0xac 4027#define SONYPI_BAT1_MAXTK 0xb0 4028#define SONYPI_BAT1_FULL 0xb2 4029#define SONYPI_BAT2_MAXTK 0xb8 4030#define SONYPI_BAT2_FULL 0xba 4031#define SONYPI_TEMP_STATUS 0xC1 4032 4033struct sonypi_compat_s { 4034 struct fasync_struct *fifo_async; 4035 struct kfifo fifo; 4036 spinlock_t fifo_lock; 4037 wait_queue_head_t fifo_proc_list; 4038 atomic_t open_count; 4039}; 4040static struct sonypi_compat_s sonypi_compat = { 4041 .open_count = ATOMIC_INIT(0), 4042}; 4043 4044static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4045{ 4046 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4047} 4048 4049static int sonypi_misc_release(struct inode *inode, struct file *file) 4050{ 4051 atomic_dec(&sonypi_compat.open_count); 4052 return 0; 4053} 4054 4055static int sonypi_misc_open(struct inode *inode, struct file *file) 4056{ 4057 /* Flush input queue on first open */ 4058 unsigned long flags; 4059 4060 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4061 4062 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4063 kfifo_reset(&sonypi_compat.fifo); 4064 4065 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4066 4067 return 0; 4068} 4069 4070static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4071 size_t count, loff_t *pos) 4072{ 4073 ssize_t ret; 4074 unsigned char c; 4075 4076 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4077 (file->f_flags & O_NONBLOCK)) 4078 return -EAGAIN; 4079 4080 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4081 kfifo_len(&sonypi_compat.fifo) != 0); 4082 if (ret) 4083 return ret; 4084 4085 while (ret < count && 4086 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4087 &sonypi_compat.fifo_lock) == sizeof(c))) { 4088 if (put_user(c, buf++)) 4089 return -EFAULT; 4090 ret++; 4091 } 4092 4093 if (ret > 0) { 4094 struct inode *inode = file_inode(file); 4095 inode_set_atime_to_ts(inode, current_time(inode)); 4096 } 4097 4098 return ret; 4099} 4100 4101static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 4102{ 4103 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4104 if (kfifo_len(&sonypi_compat.fifo)) 4105 return EPOLLIN | EPOLLRDNORM; 4106 return 0; 4107} 4108 4109static int ec_read16(u8 addr, u16 *value) 4110{ 4111 u8 val_lb, val_hb; 4112 if (ec_read(addr, &val_lb)) 4113 return -1; 4114 if (ec_read(addr + 1, &val_hb)) 4115 return -1; 4116 *value = val_lb | (val_hb << 8); 4117 return 0; 4118} 4119 4120static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4121 unsigned long arg) 4122{ 4123 int ret = 0; 4124 void __user *argp = (void __user *)arg; 4125 u8 val8; 4126 u16 val16; 4127 int value; 4128 4129 mutex_lock(&spic_dev.lock); 4130 switch (cmd) { 4131 case SONYPI_IOCGBRT: 4132 if (sony_bl_props.dev == NULL) { 4133 ret = -EIO; 4134 break; 4135 } 4136 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4137 &value)) { 4138 ret = -EIO; 4139 break; 4140 } 4141 val8 = ((value & 0xff) - 1) << 5; 4142 if (copy_to_user(argp, &val8, sizeof(val8))) 4143 ret = -EFAULT; 4144 break; 4145 case SONYPI_IOCSBRT: 4146 if (sony_bl_props.dev == NULL) { 4147 ret = -EIO; 4148 break; 4149 } 4150 if (copy_from_user(&val8, argp, sizeof(val8))) { 4151 ret = -EFAULT; 4152 break; 4153 } 4154 value = (val8 >> 5) + 1; 4155 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4156 NULL)) { 4157 ret = -EIO; 4158 break; 4159 } 4160 /* sync the backlight device status */ 4161 sony_bl_props.dev->props.brightness = 4162 sony_backlight_get_brightness(sony_bl_props.dev); 4163 break; 4164 case SONYPI_IOCGBAT1CAP: 4165 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4166 ret = -EIO; 4167 break; 4168 } 4169 if (copy_to_user(argp, &val16, sizeof(val16))) 4170 ret = -EFAULT; 4171 break; 4172 case SONYPI_IOCGBAT1REM: 4173 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4174 ret = -EIO; 4175 break; 4176 } 4177 if (copy_to_user(argp, &val16, sizeof(val16))) 4178 ret = -EFAULT; 4179 break; 4180 case SONYPI_IOCGBAT2CAP: 4181 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4182 ret = -EIO; 4183 break; 4184 } 4185 if (copy_to_user(argp, &val16, sizeof(val16))) 4186 ret = -EFAULT; 4187 break; 4188 case SONYPI_IOCGBAT2REM: 4189 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4190 ret = -EIO; 4191 break; 4192 } 4193 if (copy_to_user(argp, &val16, sizeof(val16))) 4194 ret = -EFAULT; 4195 break; 4196 case SONYPI_IOCGBATFLAGS: 4197 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4198 ret = -EIO; 4199 break; 4200 } 4201 val8 &= 0x07; 4202 if (copy_to_user(argp, &val8, sizeof(val8))) 4203 ret = -EFAULT; 4204 break; 4205 case SONYPI_IOCGBLUE: 4206 val8 = spic_dev.bluetooth_power; 4207 if (copy_to_user(argp, &val8, sizeof(val8))) 4208 ret = -EFAULT; 4209 break; 4210 case SONYPI_IOCSBLUE: 4211 if (copy_from_user(&val8, argp, sizeof(val8))) { 4212 ret = -EFAULT; 4213 break; 4214 } 4215 __sony_pic_set_bluetoothpower(val8); 4216 break; 4217 /* FAN Controls */ 4218 case SONYPI_IOCGFAN: 4219 if (sony_pic_get_fanspeed(&val8)) { 4220 ret = -EIO; 4221 break; 4222 } 4223 if (copy_to_user(argp, &val8, sizeof(val8))) 4224 ret = -EFAULT; 4225 break; 4226 case SONYPI_IOCSFAN: 4227 if (copy_from_user(&val8, argp, sizeof(val8))) { 4228 ret = -EFAULT; 4229 break; 4230 } 4231 if (sony_pic_set_fanspeed(val8)) 4232 ret = -EIO; 4233 break; 4234 /* GET Temperature (useful under APM) */ 4235 case SONYPI_IOCGTEMP: 4236 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4237 ret = -EIO; 4238 break; 4239 } 4240 if (copy_to_user(argp, &val8, sizeof(val8))) 4241 ret = -EFAULT; 4242 break; 4243 default: 4244 ret = -EINVAL; 4245 } 4246 mutex_unlock(&spic_dev.lock); 4247 return ret; 4248} 4249 4250static const struct file_operations sonypi_misc_fops = { 4251 .owner = THIS_MODULE, 4252 .read = sonypi_misc_read, 4253 .poll = sonypi_misc_poll, 4254 .open = sonypi_misc_open, 4255 .release = sonypi_misc_release, 4256 .fasync = sonypi_misc_fasync, 4257 .unlocked_ioctl = sonypi_misc_ioctl, 4258 .llseek = noop_llseek, 4259}; 4260 4261static struct miscdevice sonypi_misc_device = { 4262 .minor = MISC_DYNAMIC_MINOR, 4263 .name = "sonypi", 4264 .fops = &sonypi_misc_fops, 4265}; 4266 4267static void sonypi_compat_report_event(u8 event) 4268{ 4269 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4270 sizeof(event), &sonypi_compat.fifo_lock); 4271 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4272 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4273} 4274 4275static int sonypi_compat_init(void) 4276{ 4277 int error; 4278 4279 spin_lock_init(&sonypi_compat.fifo_lock); 4280 error = 4281 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4282 if (error) { 4283 pr_err("kfifo_alloc failed\n"); 4284 return error; 4285 } 4286 4287 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4288 4289 if (minor != -1) 4290 sonypi_misc_device.minor = minor; 4291 error = misc_register(&sonypi_misc_device); 4292 if (error) { 4293 pr_err("misc_register failed\n"); 4294 goto err_free_kfifo; 4295 } 4296 if (minor == -1) 4297 pr_info("device allocated minor is %d\n", 4298 sonypi_misc_device.minor); 4299 4300 return 0; 4301 4302err_free_kfifo: 4303 kfifo_free(&sonypi_compat.fifo); 4304 return error; 4305} 4306 4307static void sonypi_compat_exit(void) 4308{ 4309 misc_deregister(&sonypi_misc_device); 4310 kfifo_free(&sonypi_compat.fifo); 4311} 4312#else 4313static int sonypi_compat_init(void) { return 0; } 4314static void sonypi_compat_exit(void) { } 4315static void sonypi_compat_report_event(u8 event) { } 4316#endif /* CONFIG_SONYPI_COMPAT */ 4317 4318/* 4319 * ACPI callbacks 4320 */ 4321static acpi_status 4322sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4323{ 4324 u32 i; 4325 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4326 4327 switch (resource->type) { 4328 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4329 { 4330 /* start IO enumeration */ 4331 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4332 if (!ioport) 4333 return AE_ERROR; 4334 4335 list_add(&ioport->list, &dev->ioports); 4336 return AE_OK; 4337 } 4338 4339 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4340 /* end IO enumeration */ 4341 return AE_OK; 4342 4343 case ACPI_RESOURCE_TYPE_IRQ: 4344 { 4345 struct acpi_resource_irq *p = &resource->data.irq; 4346 struct sony_pic_irq *interrupt = NULL; 4347 if (!p->interrupt_count) { 4348 /* 4349 * IRQ descriptors may have no IRQ# bits set, 4350 * particularly those those w/ _STA disabled 4351 */ 4352 dprintk("Blank IRQ resource\n"); 4353 return AE_OK; 4354 } 4355 for (i = 0; i < p->interrupt_count; i++) { 4356 if (!p->interrupts[i]) { 4357 pr_warn("Invalid IRQ %d\n", 4358 p->interrupts[i]); 4359 continue; 4360 } 4361 interrupt = kzalloc(sizeof(*interrupt), 4362 GFP_KERNEL); 4363 if (!interrupt) 4364 return AE_ERROR; 4365 4366 list_add(&interrupt->list, &dev->interrupts); 4367 interrupt->irq.triggering = p->triggering; 4368 interrupt->irq.polarity = p->polarity; 4369 interrupt->irq.shareable = p->shareable; 4370 interrupt->irq.interrupt_count = 1; 4371 interrupt->irq.interrupts[0] = p->interrupts[i]; 4372 } 4373 return AE_OK; 4374 } 4375 case ACPI_RESOURCE_TYPE_IO: 4376 { 4377 struct acpi_resource_io *io = &resource->data.io; 4378 struct sony_pic_ioport *ioport = 4379 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4380 if (!ioport->io1.minimum) { 4381 memcpy(&ioport->io1, io, sizeof(*io)); 4382 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4383 ioport->io1.address_length); 4384 } 4385 else if (!ioport->io2.minimum) { 4386 memcpy(&ioport->io2, io, sizeof(*io)); 4387 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4388 ioport->io2.address_length); 4389 } 4390 else { 4391 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4392 return AE_ERROR; 4393 } 4394 return AE_OK; 4395 } 4396 4397 case ACPI_RESOURCE_TYPE_END_TAG: 4398 return AE_OK; 4399 4400 default: 4401 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4402 resource->type); 4403 return AE_CTRL_TERMINATE; 4404 4405 } 4406} 4407 4408static int sony_pic_possible_resources(struct acpi_device *device) 4409{ 4410 int result = 0; 4411 acpi_status status = AE_OK; 4412 4413 if (!device) 4414 return -EINVAL; 4415 4416 /* get device status */ 4417 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4418 dprintk("Evaluating _STA\n"); 4419 result = acpi_bus_get_status(device); 4420 if (result) { 4421 pr_warn("Unable to read status\n"); 4422 goto end; 4423 } 4424 4425 if (!device->status.enabled) 4426 dprintk("Device disabled\n"); 4427 else 4428 dprintk("Device enabled\n"); 4429 4430 /* 4431 * Query and parse 'method' 4432 */ 4433 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4434 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4435 sony_pic_read_possible_resource, &spic_dev); 4436 if (ACPI_FAILURE(status)) { 4437 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4438 result = -ENODEV; 4439 } 4440end: 4441 return result; 4442} 4443 4444/* 4445 * Disable the spic device by calling its _DIS method 4446 */ 4447static int sony_pic_disable(struct acpi_device *device) 4448{ 4449 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4450 NULL); 4451 4452 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4453 return -ENXIO; 4454 4455 dprintk("Device disabled\n"); 4456 return 0; 4457} 4458 4459 4460/* 4461 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4462 * 4463 * Call _SRS to set current resources 4464 */ 4465static int sony_pic_enable(struct acpi_device *device, 4466 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4467{ 4468 acpi_status status; 4469 int result = 0; 4470 /* Type 1 resource layout is: 4471 * IO 4472 * IO 4473 * IRQNoFlags 4474 * End 4475 * 4476 * Type 2 and 3 resource layout is: 4477 * IO 4478 * IRQNoFlags 4479 * End 4480 */ 4481 struct { 4482 struct acpi_resource res1; 4483 struct acpi_resource res2; 4484 struct acpi_resource res3; 4485 struct acpi_resource res4; 4486 } *resource; 4487 struct acpi_buffer buffer = { 0, NULL }; 4488 4489 if (!ioport || !irq) 4490 return -EINVAL; 4491 4492 /* init acpi_buffer */ 4493 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4494 if (!resource) 4495 return -ENOMEM; 4496 4497 buffer.length = sizeof(*resource) + 1; 4498 buffer.pointer = resource; 4499 4500 /* setup Type 1 resources */ 4501 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4502 4503 /* setup io resources */ 4504 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4505 resource->res1.length = sizeof(struct acpi_resource); 4506 memcpy(&resource->res1.data.io, &ioport->io1, 4507 sizeof(struct acpi_resource_io)); 4508 4509 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4510 resource->res2.length = sizeof(struct acpi_resource); 4511 memcpy(&resource->res2.data.io, &ioport->io2, 4512 sizeof(struct acpi_resource_io)); 4513 4514 /* setup irq resource */ 4515 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4516 resource->res3.length = sizeof(struct acpi_resource); 4517 memcpy(&resource->res3.data.irq, &irq->irq, 4518 sizeof(struct acpi_resource_irq)); 4519 /* we requested a shared irq */ 4520 resource->res3.data.irq.shareable = ACPI_SHARED; 4521 4522 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4523 resource->res4.length = sizeof(struct acpi_resource); 4524 } 4525 /* setup Type 2/3 resources */ 4526 else { 4527 /* setup io resource */ 4528 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4529 resource->res1.length = sizeof(struct acpi_resource); 4530 memcpy(&resource->res1.data.io, &ioport->io1, 4531 sizeof(struct acpi_resource_io)); 4532 4533 /* setup irq resource */ 4534 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4535 resource->res2.length = sizeof(struct acpi_resource); 4536 memcpy(&resource->res2.data.irq, &irq->irq, 4537 sizeof(struct acpi_resource_irq)); 4538 /* we requested a shared irq */ 4539 resource->res2.data.irq.shareable = ACPI_SHARED; 4540 4541 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4542 resource->res3.length = sizeof(struct acpi_resource); 4543 } 4544 4545 /* Attempt to set the resource */ 4546 dprintk("Evaluating _SRS\n"); 4547 status = acpi_set_current_resources(device->handle, &buffer); 4548 4549 /* check for total failure */ 4550 if (ACPI_FAILURE(status)) { 4551 pr_err("Error evaluating _SRS\n"); 4552 result = -ENODEV; 4553 goto end; 4554 } 4555 4556 /* Necessary device initializations calls (from sonypi) */ 4557 sony_pic_call1(0x82); 4558 sony_pic_call2(0x81, 0xff); 4559 sony_pic_call1(compat ? 0x92 : 0x82); 4560 4561end: 4562 kfree(resource); 4563 return result; 4564} 4565 4566/***************** 4567 * 4568 * ISR: some event is available 4569 * 4570 *****************/ 4571static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4572{ 4573 int i, j; 4574 u8 ev = 0; 4575 u8 data_mask = 0; 4576 u8 device_event = 0; 4577 4578 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4579 4580 ev = inb_p(dev->cur_ioport->io1.minimum); 4581 if (dev->cur_ioport->io2.minimum) 4582 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4583 else 4584 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4585 dev->evport_offset); 4586 4587 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4588 ev, data_mask, dev->cur_ioport->io1.minimum, 4589 dev->evport_offset); 4590 4591 if (ev == 0x00 || ev == 0xff) 4592 return IRQ_HANDLED; 4593 4594 for (i = 0; dev->event_types[i].mask; i++) { 4595 4596 if ((data_mask & dev->event_types[i].data) != 4597 dev->event_types[i].data) 4598 continue; 4599 4600 if (!(mask & dev->event_types[i].mask)) 4601 continue; 4602 4603 for (j = 0; dev->event_types[i].events[j].event; j++) { 4604 if (ev == dev->event_types[i].events[j].data) { 4605 device_event = 4606 dev->event_types[i].events[j].event; 4607 /* some events may require ignoring */ 4608 if (!device_event) 4609 return IRQ_HANDLED; 4610 goto found; 4611 } 4612 } 4613 } 4614 /* Still not able to decode the event try to pass 4615 * it over to the minidriver 4616 */ 4617 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4618 return IRQ_HANDLED; 4619 4620 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4621 ev, data_mask, dev->cur_ioport->io1.minimum, 4622 dev->evport_offset); 4623 return IRQ_HANDLED; 4624 4625found: 4626 sony_laptop_report_input_event(device_event); 4627 sonypi_compat_report_event(device_event); 4628 return IRQ_HANDLED; 4629} 4630 4631/***************** 4632 * 4633 * ACPI driver 4634 * 4635 *****************/ 4636static void sony_pic_remove(struct acpi_device *device) 4637{ 4638 struct sony_pic_ioport *io, *tmp_io; 4639 struct sony_pic_irq *irq, *tmp_irq; 4640 4641 if (sony_pic_disable(device)) { 4642 pr_err("Couldn't disable device\n"); 4643 return; 4644 } 4645 4646 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4647 release_region(spic_dev.cur_ioport->io1.minimum, 4648 spic_dev.cur_ioport->io1.address_length); 4649 if (spic_dev.cur_ioport->io2.minimum) 4650 release_region(spic_dev.cur_ioport->io2.minimum, 4651 spic_dev.cur_ioport->io2.address_length); 4652 4653 sonypi_compat_exit(); 4654 4655 sony_laptop_remove_input(); 4656 4657 /* pf attrs */ 4658 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4659 sony_pf_remove(); 4660 4661 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4662 list_del(&io->list); 4663 kfree(io); 4664 } 4665 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4666 list_del(&irq->list); 4667 kfree(irq); 4668 } 4669 spic_dev.cur_ioport = NULL; 4670 spic_dev.cur_irq = NULL; 4671 4672 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 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.shareable); 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 const struct dmi_system_id sonypi_dmi_table[] __initconst = { 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