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 Alcôve <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", -1); 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 += scnprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 824 handles->cap[i]); 825 } 826 len += scnprintf(buffer + len, PAGE_SIZE - len, "\n"); 827 828 return len; 829} 830 831static int sony_nc_handles_setup(struct platform_device *pd) 832{ 833 int i, r, result, arg; 834 835 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 836 if (!handles) 837 return -ENOMEM; 838 839 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 840 arg = i + 0x20; 841 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 842 &result); 843 if (!r) { 844 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 845 result, i); 846 handles->cap[i] = result; 847 } 848 } 849 850 if (debug) { 851 sysfs_attr_init(&handles->devattr.attr); 852 handles->devattr.attr.name = "handles"; 853 handles->devattr.attr.mode = S_IRUGO; 854 handles->devattr.show = sony_nc_handles_show; 855 856 /* allow reading capabilities via sysfs */ 857 if (device_create_file(&pd->dev, &handles->devattr)) { 858 kfree(handles); 859 handles = NULL; 860 return -1; 861 } 862 } 863 864 return 0; 865} 866 867static int sony_nc_handles_cleanup(struct platform_device *pd) 868{ 869 if (handles) { 870 if (debug) 871 device_remove_file(&pd->dev, &handles->devattr); 872 kfree(handles); 873 handles = NULL; 874 } 875 return 0; 876} 877 878static int sony_find_snc_handle(int handle) 879{ 880 int i; 881 882 /* not initialized yet, return early */ 883 if (!handles || !handle) 884 return -EINVAL; 885 886 for (i = 0; i < 0x10; i++) { 887 if (handles->cap[i] == handle) { 888 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 889 handle, i); 890 return i; 891 } 892 } 893 dprintk("handle 0x%.4x not found\n", handle); 894 return -EINVAL; 895} 896 897static int sony_call_snc_handle(int handle, int argument, int *result) 898{ 899 int arg, ret = 0; 900 int offset = sony_find_snc_handle(handle); 901 902 if (offset < 0) 903 return offset; 904 905 arg = offset | argument; 906 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 907 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 908 return ret; 909} 910 911/* 912 * sony_nc_values input/output validate functions 913 */ 914 915/* brightness_default_validate: 916 * 917 * manipulate input output values to keep consistency with the 918 * backlight framework for which brightness values are 0-based. 919 */ 920static int brightness_default_validate(const int direction, const int value) 921{ 922 switch (direction) { 923 case SNC_VALIDATE_OUT: 924 return value - 1; 925 case SNC_VALIDATE_IN: 926 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 927 return value + 1; 928 } 929 return -EINVAL; 930} 931 932/* boolean_validate: 933 * 934 * on input validate boolean values 0/1, on output just pass the 935 * received value. 936 */ 937static int boolean_validate(const int direction, const int value) 938{ 939 if (direction == SNC_VALIDATE_IN) { 940 if (value != 0 && value != 1) 941 return -EINVAL; 942 } 943 return value; 944} 945 946/* 947 * Sysfs show/store common to all sony_nc_values 948 */ 949static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 950 char *buffer) 951{ 952 int value, ret = 0; 953 struct sony_nc_value *item = 954 container_of(attr, struct sony_nc_value, devattr); 955 956 if (!*item->acpiget) 957 return -EIO; 958 959 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 960 &value); 961 if (ret < 0) 962 return -EIO; 963 964 if (item->validate) 965 value = item->validate(SNC_VALIDATE_OUT, value); 966 967 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 968} 969 970static ssize_t sony_nc_sysfs_store(struct device *dev, 971 struct device_attribute *attr, 972 const char *buffer, size_t count) 973{ 974 int value; 975 int ret = 0; 976 struct sony_nc_value *item = 977 container_of(attr, struct sony_nc_value, devattr); 978 979 if (!item->acpiset) 980 return -EIO; 981 982 if (count > 31) 983 return -EINVAL; 984 985 if (kstrtoint(buffer, 10, &value)) 986 return -EINVAL; 987 988 if (item->validate) 989 value = item->validate(SNC_VALIDATE_IN, value); 990 991 if (value < 0) 992 return value; 993 994 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 995 &value, NULL); 996 if (ret < 0) 997 return -EIO; 998 999 item->value = value; 1000 item->valid = 1; 1001 return count; 1002} 1003 1004 1005/* 1006 * Backlight device 1007 */ 1008struct sony_backlight_props { 1009 struct backlight_device *dev; 1010 int handle; 1011 int cmd_base; 1012 u8 offset; 1013 u8 maxlvl; 1014}; 1015static struct sony_backlight_props sony_bl_props; 1016 1017static int sony_backlight_update_status(struct backlight_device *bd) 1018{ 1019 int arg = bd->props.brightness + 1; 1020 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1021} 1022 1023static int sony_backlight_get_brightness(struct backlight_device *bd) 1024{ 1025 int value; 1026 1027 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1028 return 0; 1029 /* brightness levels are 1-based, while backlight ones are 0-based */ 1030 return value - 1; 1031} 1032 1033static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1034{ 1035 int result; 1036 struct sony_backlight_props *sdev = 1037 (struct sony_backlight_props *)bl_get_data(bd); 1038 1039 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1040 1041 return (result & 0xff) - sdev->offset; 1042} 1043 1044static int sony_nc_update_status_ng(struct backlight_device *bd) 1045{ 1046 int value, result; 1047 struct sony_backlight_props *sdev = 1048 (struct sony_backlight_props *)bl_get_data(bd); 1049 1050 value = bd->props.brightness + sdev->offset; 1051 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1052 &result)) 1053 return -EIO; 1054 1055 return value; 1056} 1057 1058static const struct backlight_ops sony_backlight_ops = { 1059 .options = BL_CORE_SUSPENDRESUME, 1060 .update_status = sony_backlight_update_status, 1061 .get_brightness = sony_backlight_get_brightness, 1062}; 1063static const struct backlight_ops sony_backlight_ng_ops = { 1064 .options = BL_CORE_SUSPENDRESUME, 1065 .update_status = sony_nc_update_status_ng, 1066 .get_brightness = sony_nc_get_brightness_ng, 1067}; 1068 1069/* 1070 * New SNC-only Vaios event mapping to driver known keys 1071 */ 1072struct sony_nc_event { 1073 u8 data; 1074 u8 event; 1075}; 1076 1077static struct sony_nc_event sony_100_events[] = { 1078 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1079 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1080 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1081 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1082 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1083 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1084 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1085 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1086 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1087 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1088 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1089 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1090 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1091 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1092 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1093 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1094 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1095 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1096 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1097 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1098 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1099 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1100 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1101 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1102 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1103 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1104 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1105 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1106 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1107 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1108 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1109 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1110 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1111 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1112 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1113 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1114 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1115 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1116 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1117 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1118 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1119 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1120 { 0, 0 }, 1121}; 1122 1123static struct sony_nc_event sony_127_events[] = { 1124 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1125 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1126 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1127 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1128 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1129 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1130 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1131 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1132 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1133 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1134 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1135 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1136 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1137 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1138 { 0, 0 }, 1139}; 1140 1141static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1142{ 1143 int ret = -EINVAL; 1144 unsigned int result = 0; 1145 struct sony_nc_event *key_event; 1146 1147 if (sony_call_snc_handle(handle, 0x200, &result)) { 1148 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1149 event); 1150 return -EINVAL; 1151 } 1152 1153 result &= 0xFF; 1154 1155 if (handle == 0x0100) 1156 key_event = sony_100_events; 1157 else 1158 key_event = sony_127_events; 1159 1160 for (; key_event->data; key_event++) { 1161 if (key_event->data == result) { 1162 ret = key_event->event; 1163 break; 1164 } 1165 } 1166 1167 if (!key_event->data) 1168 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1169 event, result, handle); 1170 1171 return ret; 1172} 1173 1174/* 1175 * ACPI callbacks 1176 */ 1177enum event_types { 1178 HOTKEY = 1, 1179 KILLSWITCH, 1180 GFX_SWITCH 1181}; 1182static void sony_nc_notify(struct acpi_device *device, u32 event) 1183{ 1184 u32 real_ev = event; 1185 u8 ev_type = 0; 1186 int ret; 1187 1188 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1189 1190 if (event >= 0x90) { 1191 unsigned int result = 0; 1192 unsigned int arg = 0; 1193 unsigned int handle = 0; 1194 unsigned int offset = event - 0x90; 1195 1196 if (offset >= ARRAY_SIZE(handles->cap)) { 1197 pr_err("Event 0x%x outside of capabilities list\n", 1198 event); 1199 return; 1200 } 1201 handle = handles->cap[offset]; 1202 1203 /* list of handles known for generating events */ 1204 switch (handle) { 1205 /* hotkey event */ 1206 case 0x0100: 1207 case 0x0127: 1208 ev_type = HOTKEY; 1209 ret = sony_nc_hotkeys_decode(event, handle); 1210 1211 if (ret > 0) { 1212 sony_laptop_report_input_event(ret); 1213 real_ev = ret; 1214 } 1215 1216 break; 1217 1218 /* wlan switch */ 1219 case 0x0124: 1220 case 0x0135: 1221 /* events on this handle are reported when the 1222 * switch changes position or for battery 1223 * events. We'll notify both of them but only 1224 * update the rfkill device status when the 1225 * switch is moved. 1226 */ 1227 ev_type = KILLSWITCH; 1228 sony_call_snc_handle(handle, 0x0100, &result); 1229 real_ev = result & 0x03; 1230 1231 /* hw switch event */ 1232 if (real_ev == 1) 1233 sony_nc_rfkill_update(); 1234 1235 break; 1236 1237 case 0x0128: 1238 case 0x0146: 1239 /* Hybrid GFX switching */ 1240 sony_call_snc_handle(handle, 0x0000, &result); 1241 dprintk("GFX switch event received (reason: %s)\n", 1242 (result == 0x1) ? "switch change" : 1243 (result == 0x2) ? "output switch" : 1244 (result == 0x3) ? "output switch" : 1245 ""); 1246 1247 ev_type = GFX_SWITCH; 1248 real_ev = __sony_nc_gfx_switch_status_get(); 1249 break; 1250 1251 case 0x015B: 1252 /* Hybrid GFX switching SVS151290S */ 1253 ev_type = GFX_SWITCH; 1254 real_ev = __sony_nc_gfx_switch_status_get(); 1255 break; 1256 default: 1257 dprintk("Unknown event 0x%x for handle 0x%x\n", 1258 event, handle); 1259 break; 1260 } 1261 1262 /* clear the event (and the event reason when present) */ 1263 arg = 1 << offset; 1264 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1265 1266 } else { 1267 /* old style event */ 1268 ev_type = HOTKEY; 1269 sony_laptop_report_input_event(real_ev); 1270 } 1271 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1272 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1273} 1274 1275static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1276 void *context, void **return_value) 1277{ 1278 struct acpi_device_info *info; 1279 1280 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1281 pr_warn("method: name: %4.4s, args %X\n", 1282 (char *)&info->name, info->param_count); 1283 1284 kfree(info); 1285 } 1286 1287 return AE_OK; 1288} 1289 1290/* 1291 * ACPI device 1292 */ 1293static void sony_nc_function_setup(struct acpi_device *device, 1294 struct platform_device *pf_device) 1295{ 1296 unsigned int i, result, bitmask, arg; 1297 1298 if (!handles) 1299 return; 1300 1301 /* setup found handles here */ 1302 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1303 unsigned int handle = handles->cap[i]; 1304 1305 if (!handle) 1306 continue; 1307 1308 dprintk("setting up handle 0x%.4x\n", handle); 1309 1310 switch (handle) { 1311 case 0x0100: 1312 case 0x0101: 1313 case 0x0127: 1314 /* setup hotkeys */ 1315 sony_call_snc_handle(handle, 0, &result); 1316 break; 1317 case 0x0102: 1318 /* setup hotkeys */ 1319 sony_call_snc_handle(handle, 0x100, &result); 1320 break; 1321 case 0x0105: 1322 case 0x0148: 1323 /* touchpad enable/disable */ 1324 result = sony_nc_touchpad_setup(pf_device, handle); 1325 if (result) 1326 pr_err("couldn't set up touchpad control function (%d)\n", 1327 result); 1328 break; 1329 case 0x0115: 1330 case 0x0136: 1331 case 0x013f: 1332 result = sony_nc_battery_care_setup(pf_device, handle); 1333 if (result) 1334 pr_err("couldn't set up battery care function (%d)\n", 1335 result); 1336 break; 1337 case 0x0119: 1338 case 0x015D: 1339 result = sony_nc_lid_resume_setup(pf_device, handle); 1340 if (result) 1341 pr_err("couldn't set up lid resume function (%d)\n", 1342 result); 1343 break; 1344 case 0x0122: 1345 result = sony_nc_thermal_setup(pf_device); 1346 if (result) 1347 pr_err("couldn't set up thermal profile function (%d)\n", 1348 result); 1349 break; 1350 case 0x0128: 1351 case 0x0146: 1352 case 0x015B: 1353 result = sony_nc_gfx_switch_setup(pf_device, handle); 1354 if (result) 1355 pr_err("couldn't set up GFX Switch status (%d)\n", 1356 result); 1357 break; 1358 case 0x0131: 1359 result = sony_nc_highspeed_charging_setup(pf_device); 1360 if (result) 1361 pr_err("couldn't set up high speed charging function (%d)\n", 1362 result); 1363 break; 1364 case 0x0124: 1365 case 0x0135: 1366 result = sony_nc_rfkill_setup(device, handle); 1367 if (result) 1368 pr_err("couldn't set up rfkill support (%d)\n", 1369 result); 1370 break; 1371 case 0x0137: 1372 case 0x0143: 1373 case 0x014b: 1374 case 0x014c: 1375 case 0x0153: 1376 case 0x0163: 1377 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1378 if (result) 1379 pr_err("couldn't set up keyboard backlight function (%d)\n", 1380 result); 1381 break; 1382 case 0x0121: 1383 result = sony_nc_lowbatt_setup(pf_device); 1384 if (result) 1385 pr_err("couldn't set up low battery function (%d)\n", 1386 result); 1387 break; 1388 case 0x0149: 1389 result = sony_nc_fanspeed_setup(pf_device); 1390 if (result) 1391 pr_err("couldn't set up fan speed function (%d)\n", 1392 result); 1393 break; 1394 case 0x0155: 1395 result = sony_nc_usb_charge_setup(pf_device); 1396 if (result) 1397 pr_err("couldn't set up USB charge support (%d)\n", 1398 result); 1399 break; 1400 case 0x011D: 1401 result = sony_nc_panelid_setup(pf_device); 1402 if (result) 1403 pr_err("couldn't set up panel ID function (%d)\n", 1404 result); 1405 break; 1406 case 0x0168: 1407 result = sony_nc_smart_conn_setup(pf_device); 1408 if (result) 1409 pr_err("couldn't set up smart connect support (%d)\n", 1410 result); 1411 break; 1412 default: 1413 continue; 1414 } 1415 } 1416 1417 /* Enable all events */ 1418 arg = 0x10; 1419 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1420 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1421 &result); 1422} 1423 1424static void sony_nc_function_cleanup(struct platform_device *pd) 1425{ 1426 unsigned int i, result, bitmask, handle; 1427 1428 if (!handles) 1429 return; 1430 1431 /* get enabled events and disable them */ 1432 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1433 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1434 1435 /* cleanup handles here */ 1436 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1437 1438 handle = handles->cap[i]; 1439 1440 if (!handle) 1441 continue; 1442 1443 switch (handle) { 1444 case 0x0105: 1445 case 0x0148: 1446 sony_nc_touchpad_cleanup(pd); 1447 break; 1448 case 0x0115: 1449 case 0x0136: 1450 case 0x013f: 1451 sony_nc_battery_care_cleanup(pd); 1452 break; 1453 case 0x0119: 1454 case 0x015D: 1455 sony_nc_lid_resume_cleanup(pd); 1456 break; 1457 case 0x0122: 1458 sony_nc_thermal_cleanup(pd); 1459 break; 1460 case 0x0128: 1461 case 0x0146: 1462 case 0x015B: 1463 sony_nc_gfx_switch_cleanup(pd); 1464 break; 1465 case 0x0131: 1466 sony_nc_highspeed_charging_cleanup(pd); 1467 break; 1468 case 0x0124: 1469 case 0x0135: 1470 sony_nc_rfkill_cleanup(); 1471 break; 1472 case 0x0137: 1473 case 0x0143: 1474 case 0x014b: 1475 case 0x014c: 1476 case 0x0153: 1477 case 0x0163: 1478 sony_nc_kbd_backlight_cleanup(pd, handle); 1479 break; 1480 case 0x0121: 1481 sony_nc_lowbatt_cleanup(pd); 1482 break; 1483 case 0x0149: 1484 sony_nc_fanspeed_cleanup(pd); 1485 break; 1486 case 0x0155: 1487 sony_nc_usb_charge_cleanup(pd); 1488 break; 1489 case 0x011D: 1490 sony_nc_panelid_cleanup(pd); 1491 break; 1492 case 0x0168: 1493 sony_nc_smart_conn_cleanup(pd); 1494 break; 1495 default: 1496 continue; 1497 } 1498 } 1499 1500 /* finally cleanup the handles list */ 1501 sony_nc_handles_cleanup(pd); 1502} 1503 1504#ifdef CONFIG_PM_SLEEP 1505static void sony_nc_function_resume(void) 1506{ 1507 unsigned int i, result, bitmask, arg; 1508 1509 dprintk("Resuming SNC device\n"); 1510 1511 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1512 unsigned int handle = handles->cap[i]; 1513 1514 if (!handle) 1515 continue; 1516 1517 switch (handle) { 1518 case 0x0100: 1519 case 0x0101: 1520 case 0x0127: 1521 /* re-enable hotkeys */ 1522 sony_call_snc_handle(handle, 0, &result); 1523 break; 1524 case 0x0102: 1525 /* re-enable hotkeys */ 1526 sony_call_snc_handle(handle, 0x100, &result); 1527 break; 1528 case 0x0122: 1529 sony_nc_thermal_resume(); 1530 break; 1531 case 0x0124: 1532 case 0x0135: 1533 sony_nc_rfkill_update(); 1534 break; 1535 default: 1536 continue; 1537 } 1538 } 1539 1540 /* Enable all events */ 1541 arg = 0x10; 1542 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1543 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1544 &result); 1545} 1546 1547static int sony_nc_resume(struct device *dev) 1548{ 1549 struct sony_nc_value *item; 1550 1551 for (item = sony_nc_values; item->name; item++) { 1552 int ret; 1553 1554 if (!item->valid) 1555 continue; 1556 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1557 &item->value, NULL); 1558 if (ret < 0) { 1559 pr_err("%s: %d\n", __func__, ret); 1560 break; 1561 } 1562 } 1563 1564 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1565 int arg = 1; 1566 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1567 dprintk("ECON Method failed\n"); 1568 } 1569 1570 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1571 sony_nc_function_resume(); 1572 1573 return 0; 1574} 1575#endif 1576 1577static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1578 1579static void sony_nc_rfkill_cleanup(void) 1580{ 1581 int i; 1582 1583 for (i = 0; i < N_SONY_RFKILL; i++) { 1584 if (sony_rfkill_devices[i]) { 1585 rfkill_unregister(sony_rfkill_devices[i]); 1586 rfkill_destroy(sony_rfkill_devices[i]); 1587 } 1588 } 1589} 1590 1591static int sony_nc_rfkill_set(void *data, bool blocked) 1592{ 1593 int result; 1594 int argument = sony_rfkill_address[(long) data] + 0x100; 1595 1596 if (!blocked) 1597 argument |= 0x070000; 1598 1599 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1600} 1601 1602static const struct rfkill_ops sony_rfkill_ops = { 1603 .set_block = sony_nc_rfkill_set, 1604}; 1605 1606static int sony_nc_setup_rfkill(struct acpi_device *device, 1607 enum sony_nc_rfkill nc_type) 1608{ 1609 int err; 1610 struct rfkill *rfk; 1611 enum rfkill_type type; 1612 const char *name; 1613 int result; 1614 bool hwblock, swblock; 1615 1616 switch (nc_type) { 1617 case SONY_WIFI: 1618 type = RFKILL_TYPE_WLAN; 1619 name = "sony-wifi"; 1620 break; 1621 case SONY_BLUETOOTH: 1622 type = RFKILL_TYPE_BLUETOOTH; 1623 name = "sony-bluetooth"; 1624 break; 1625 case SONY_WWAN: 1626 type = RFKILL_TYPE_WWAN; 1627 name = "sony-wwan"; 1628 break; 1629 case SONY_WIMAX: 1630 type = RFKILL_TYPE_WIMAX; 1631 name = "sony-wimax"; 1632 break; 1633 default: 1634 return -EINVAL; 1635 } 1636 1637 rfk = rfkill_alloc(name, &device->dev, type, 1638 &sony_rfkill_ops, (void *)nc_type); 1639 if (!rfk) 1640 return -ENOMEM; 1641 1642 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1643 if (err < 0) { 1644 rfkill_destroy(rfk); 1645 return err; 1646 } 1647 hwblock = !(result & 0x1); 1648 1649 err = sony_call_snc_handle(sony_rfkill_handle, 1650 sony_rfkill_address[nc_type], 1651 &result); 1652 if (err < 0) { 1653 rfkill_destroy(rfk); 1654 return err; 1655 } 1656 swblock = !(result & 0x2); 1657 1658 rfkill_init_sw_state(rfk, swblock); 1659 rfkill_set_hw_state(rfk, hwblock); 1660 1661 err = rfkill_register(rfk); 1662 if (err) { 1663 rfkill_destroy(rfk); 1664 return err; 1665 } 1666 sony_rfkill_devices[nc_type] = rfk; 1667 return err; 1668} 1669 1670static void sony_nc_rfkill_update(void) 1671{ 1672 enum sony_nc_rfkill i; 1673 int result; 1674 bool hwblock; 1675 1676 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1677 hwblock = !(result & 0x1); 1678 1679 for (i = 0; i < N_SONY_RFKILL; i++) { 1680 int argument = sony_rfkill_address[i]; 1681 1682 if (!sony_rfkill_devices[i]) 1683 continue; 1684 1685 if (hwblock) { 1686 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1687 /* we already know we're blocked */ 1688 } 1689 continue; 1690 } 1691 1692 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1693 rfkill_set_states(sony_rfkill_devices[i], 1694 !(result & 0x2), false); 1695 } 1696} 1697 1698static int sony_nc_rfkill_setup(struct acpi_device *device, 1699 unsigned int handle) 1700{ 1701 u64 offset; 1702 int i; 1703 unsigned char buffer[32] = { 0 }; 1704 1705 offset = sony_find_snc_handle(handle); 1706 sony_rfkill_handle = handle; 1707 1708 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1709 32); 1710 if (i < 0) 1711 return i; 1712 1713 /* The buffer is filled with magic numbers describing the devices 1714 * available, 0xff terminates the enumeration. 1715 * Known codes: 1716 * 0x00 WLAN 1717 * 0x10 BLUETOOTH 1718 * 0x20 WWAN GPRS-EDGE 1719 * 0x21 WWAN HSDPA 1720 * 0x22 WWAN EV-DO 1721 * 0x23 WWAN GPS 1722 * 0x25 Gobi WWAN no GPS 1723 * 0x26 Gobi WWAN + GPS 1724 * 0x28 Gobi WWAN no GPS 1725 * 0x29 Gobi WWAN + GPS 1726 * 0x30 WIMAX 1727 * 0x50 Gobi WWAN no GPS 1728 * 0x51 Gobi WWAN + GPS 1729 * 0x70 no SIM card slot 1730 * 0x71 SIM card slot 1731 */ 1732 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1733 1734 if (buffer[i] == 0xff) 1735 break; 1736 1737 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1738 1739 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1740 sony_nc_setup_rfkill(device, SONY_WIFI); 1741 1742 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1743 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1744 1745 if (((0xf0 & buffer[i]) == 0x20 || 1746 (0xf0 & buffer[i]) == 0x50) && 1747 !sony_rfkill_devices[SONY_WWAN]) 1748 sony_nc_setup_rfkill(device, SONY_WWAN); 1749 1750 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1751 sony_nc_setup_rfkill(device, SONY_WIMAX); 1752 } 1753 return 0; 1754} 1755 1756/* Keyboard backlight feature */ 1757struct kbd_backlight { 1758 unsigned int handle; 1759 unsigned int base; 1760 unsigned int mode; 1761 unsigned int timeout; 1762 unsigned int has_timeout; 1763 struct device_attribute mode_attr; 1764 struct device_attribute timeout_attr; 1765}; 1766 1767static struct kbd_backlight *kbdbl_ctl; 1768 1769static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1770{ 1771 int result; 1772 1773 if (value > 2) 1774 return -EINVAL; 1775 1776 if (sony_call_snc_handle(kbdbl_ctl->handle, 1777 (value << 0x10) | (kbdbl_ctl->base), &result)) 1778 return -EIO; 1779 1780 /* Try to turn the light on/off immediately */ 1781 if (value != 1) 1782 sony_call_snc_handle(kbdbl_ctl->handle, 1783 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1784 &result); 1785 1786 kbdbl_ctl->mode = value; 1787 1788 return 0; 1789} 1790 1791static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1792 struct device_attribute *attr, 1793 const char *buffer, size_t count) 1794{ 1795 int ret = 0; 1796 unsigned long value; 1797 1798 if (count > 31) 1799 return -EINVAL; 1800 1801 if (kstrtoul(buffer, 10, &value)) 1802 return -EINVAL; 1803 1804 ret = __sony_nc_kbd_backlight_mode_set(value); 1805 if (ret < 0) 1806 return ret; 1807 1808 return count; 1809} 1810 1811static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1812 struct device_attribute *attr, char *buffer) 1813{ 1814 ssize_t count = 0; 1815 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1816 return count; 1817} 1818 1819static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1820{ 1821 int result; 1822 1823 if (value > 3) 1824 return -EINVAL; 1825 1826 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1827 (kbdbl_ctl->base + 0x200), &result)) 1828 return -EIO; 1829 1830 kbdbl_ctl->timeout = value; 1831 1832 return 0; 1833} 1834 1835static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1836 struct device_attribute *attr, 1837 const char *buffer, size_t count) 1838{ 1839 int ret = 0; 1840 unsigned long value; 1841 1842 if (count > 31) 1843 return -EINVAL; 1844 1845 if (kstrtoul(buffer, 10, &value)) 1846 return -EINVAL; 1847 1848 ret = __sony_nc_kbd_backlight_timeout_set(value); 1849 if (ret < 0) 1850 return ret; 1851 1852 return count; 1853} 1854 1855static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1856 struct device_attribute *attr, char *buffer) 1857{ 1858 ssize_t count = 0; 1859 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1860 return count; 1861} 1862 1863static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1864 unsigned int handle) 1865{ 1866 int result; 1867 int probe_base = 0; 1868 int ctl_base = 0; 1869 int ret = 0; 1870 1871 if (kbdbl_ctl) { 1872 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1873 handle, kbdbl_ctl->handle); 1874 return -EBUSY; 1875 } 1876 1877 /* verify the kbd backlight presence, some of these handles are not used 1878 * for keyboard backlight only 1879 */ 1880 switch (handle) { 1881 case 0x0153: 1882 probe_base = 0x0; 1883 ctl_base = 0x0; 1884 break; 1885 case 0x0137: 1886 probe_base = 0x0B00; 1887 ctl_base = 0x0C00; 1888 break; 1889 default: 1890 probe_base = 0x0100; 1891 ctl_base = 0x4000; 1892 break; 1893 } 1894 1895 /* 1896 * Only probe if there is a separate probe_base, otherwise the probe call 1897 * is equivalent to __sony_nc_kbd_backlight_mode_set(0), resulting in 1898 * the keyboard backlight being turned off. 1899 */ 1900 if (probe_base) { 1901 ret = sony_call_snc_handle(handle, probe_base, &result); 1902 if (ret) 1903 return ret; 1904 1905 if ((handle == 0x0137 && !(result & 0x02)) || 1906 !(result & 0x01)) { 1907 dprintk("no backlight keyboard found\n"); 1908 return 0; 1909 } 1910 } 1911 1912 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1913 if (!kbdbl_ctl) 1914 return -ENOMEM; 1915 1916 kbdbl_ctl->mode = kbd_backlight; 1917 kbdbl_ctl->timeout = kbd_backlight_timeout; 1918 kbdbl_ctl->handle = handle; 1919 kbdbl_ctl->base = ctl_base; 1920 /* Some models do not allow timeout control */ 1921 kbdbl_ctl->has_timeout = handle != 0x0153; 1922 1923 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1924 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1925 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1926 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1927 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1928 1929 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1930 if (ret) 1931 goto outkzalloc; 1932 1933 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1934 1935 if (kbdbl_ctl->has_timeout) { 1936 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1937 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1938 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1939 kbdbl_ctl->timeout_attr.show = 1940 sony_nc_kbd_backlight_timeout_show; 1941 kbdbl_ctl->timeout_attr.store = 1942 sony_nc_kbd_backlight_timeout_store; 1943 1944 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1945 if (ret) 1946 goto outmode; 1947 1948 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1949 } 1950 1951 1952 return 0; 1953 1954outmode: 1955 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1956outkzalloc: 1957 kfree(kbdbl_ctl); 1958 kbdbl_ctl = NULL; 1959 return ret; 1960} 1961 1962static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1963 unsigned int handle) 1964{ 1965 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1966 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1967 if (kbdbl_ctl->has_timeout) 1968 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1969 kfree(kbdbl_ctl); 1970 kbdbl_ctl = NULL; 1971 } 1972} 1973 1974struct battery_care_control { 1975 struct device_attribute attrs[2]; 1976 unsigned int handle; 1977}; 1978static struct battery_care_control *bcare_ctl; 1979 1980static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1981 struct device_attribute *attr, 1982 const char *buffer, size_t count) 1983{ 1984 unsigned int result, cmd; 1985 unsigned long value; 1986 1987 if (count > 31) 1988 return -EINVAL; 1989 1990 if (kstrtoul(buffer, 10, &value)) 1991 return -EINVAL; 1992 1993 /* limit values (2 bits): 1994 * 00 - none 1995 * 01 - 80% 1996 * 10 - 50% 1997 * 11 - 100% 1998 * 1999 * bit 0: 0 disable BCL, 1 enable BCL 2000 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 2001 * bits 2,3: reserved 2002 * bits 4,5: store the limit into the EC 2003 * bits 6,7: store the limit into the battery 2004 */ 2005 cmd = 0; 2006 2007 if (value > 0) { 2008 if (value <= 50) 2009 cmd = 0x20; 2010 2011 else if (value <= 80) 2012 cmd = 0x10; 2013 2014 else if (value <= 100) 2015 cmd = 0x30; 2016 2017 else 2018 return -EINVAL; 2019 2020 /* 2021 * handle 0x0115 should allow storing on battery too; 2022 * handle 0x0136 same as 0x0115 + health status; 2023 * handle 0x013f, same as 0x0136 but no storing on the battery 2024 */ 2025 if (bcare_ctl->handle != 0x013f) 2026 cmd = cmd | (cmd << 2); 2027 2028 cmd = (cmd | 0x1) << 0x10; 2029 } 2030 2031 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2032 return -EIO; 2033 2034 return count; 2035} 2036 2037static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2038 struct device_attribute *attr, char *buffer) 2039{ 2040 unsigned int result, status; 2041 2042 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2043 return -EIO; 2044 2045 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2046 switch (status) { 2047 case 1: 2048 status = 80; 2049 break; 2050 case 2: 2051 status = 50; 2052 break; 2053 case 3: 2054 status = 100; 2055 break; 2056 default: 2057 status = 0; 2058 break; 2059 } 2060 2061 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2062} 2063 2064static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2065 struct device_attribute *attr, char *buffer) 2066{ 2067 ssize_t count = 0; 2068 unsigned int health; 2069 2070 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2071 return -EIO; 2072 2073 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2074 2075 return count; 2076} 2077 2078static int sony_nc_battery_care_setup(struct platform_device *pd, 2079 unsigned int handle) 2080{ 2081 int ret = 0; 2082 2083 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2084 if (!bcare_ctl) 2085 return -ENOMEM; 2086 2087 bcare_ctl->handle = handle; 2088 2089 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2090 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2091 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2092 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2093 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2094 2095 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2096 if (ret) 2097 goto outkzalloc; 2098 2099 /* 0x0115 is for models with no health reporting capability */ 2100 if (handle == 0x0115) 2101 return 0; 2102 2103 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2104 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2105 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2106 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2107 2108 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2109 if (ret) 2110 goto outlimiter; 2111 2112 return 0; 2113 2114outlimiter: 2115 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2116 2117outkzalloc: 2118 kfree(bcare_ctl); 2119 bcare_ctl = NULL; 2120 2121 return ret; 2122} 2123 2124static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2125{ 2126 if (bcare_ctl) { 2127 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2128 if (bcare_ctl->handle != 0x0115) 2129 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2130 2131 kfree(bcare_ctl); 2132 bcare_ctl = NULL; 2133 } 2134} 2135 2136struct snc_thermal_ctrl { 2137 unsigned int mode; 2138 unsigned int profiles; 2139 struct device_attribute mode_attr; 2140 struct device_attribute profiles_attr; 2141}; 2142static struct snc_thermal_ctrl *th_handle; 2143 2144#define THM_PROFILE_MAX 3 2145static const char * const snc_thermal_profiles[] = { 2146 "balanced", 2147 "silent", 2148 "performance" 2149}; 2150 2151static int sony_nc_thermal_mode_set(unsigned short mode) 2152{ 2153 unsigned int result; 2154 2155 /* the thermal profile seems to be a two bit bitmask: 2156 * lsb -> silent 2157 * msb -> performance 2158 * no bit set is the normal operation and is always valid 2159 * Some vaio models only have "balanced" and "performance" 2160 */ 2161 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2162 return -EINVAL; 2163 2164 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2165 return -EIO; 2166 2167 th_handle->mode = mode; 2168 2169 return 0; 2170} 2171 2172static int sony_nc_thermal_mode_get(void) 2173{ 2174 unsigned int result; 2175 2176 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2177 return -EIO; 2178 2179 return result & 0xff; 2180} 2181 2182static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2183 struct device_attribute *attr, char *buffer) 2184{ 2185 short cnt; 2186 size_t idx = 0; 2187 2188 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2189 if (!cnt || (th_handle->profiles & cnt)) 2190 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2191 snc_thermal_profiles[cnt]); 2192 } 2193 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2194 2195 return idx; 2196} 2197 2198static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2199 struct device_attribute *attr, 2200 const char *buffer, size_t count) 2201{ 2202 unsigned short cmd; 2203 size_t len = count; 2204 2205 if (count == 0) 2206 return -EINVAL; 2207 2208 /* skip the newline if present */ 2209 if (buffer[len - 1] == '\n') 2210 len--; 2211 2212 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2213 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2214 break; 2215 2216 if (sony_nc_thermal_mode_set(cmd)) 2217 return -EIO; 2218 2219 return count; 2220} 2221 2222static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2223 struct device_attribute *attr, char *buffer) 2224{ 2225 ssize_t count = 0; 2226 int mode = sony_nc_thermal_mode_get(); 2227 2228 if (mode < 0) 2229 return mode; 2230 2231 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2232 2233 return count; 2234} 2235 2236static int sony_nc_thermal_setup(struct platform_device *pd) 2237{ 2238 int ret = 0; 2239 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2240 if (!th_handle) 2241 return -ENOMEM; 2242 2243 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2244 if (ret) { 2245 pr_warn("couldn't to read the thermal profiles\n"); 2246 goto outkzalloc; 2247 } 2248 2249 ret = sony_nc_thermal_mode_get(); 2250 if (ret < 0) { 2251 pr_warn("couldn't to read the current thermal profile"); 2252 goto outkzalloc; 2253 } 2254 th_handle->mode = ret; 2255 2256 sysfs_attr_init(&th_handle->profiles_attr.attr); 2257 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2258 th_handle->profiles_attr.attr.mode = S_IRUGO; 2259 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2260 2261 sysfs_attr_init(&th_handle->mode_attr.attr); 2262 th_handle->mode_attr.attr.name = "thermal_control"; 2263 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2264 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2265 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2266 2267 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2268 if (ret) 2269 goto outkzalloc; 2270 2271 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2272 if (ret) 2273 goto outprofiles; 2274 2275 return 0; 2276 2277outprofiles: 2278 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2279outkzalloc: 2280 kfree(th_handle); 2281 th_handle = NULL; 2282 return ret; 2283} 2284 2285static void sony_nc_thermal_cleanup(struct platform_device *pd) 2286{ 2287 if (th_handle) { 2288 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2289 device_remove_file(&pd->dev, &th_handle->mode_attr); 2290 kfree(th_handle); 2291 th_handle = NULL; 2292 } 2293} 2294 2295#ifdef CONFIG_PM_SLEEP 2296static void sony_nc_thermal_resume(void) 2297{ 2298 int status; 2299 2300 if (!th_handle) 2301 return; 2302 2303 status = sony_nc_thermal_mode_get(); 2304 2305 if (status != th_handle->mode) 2306 sony_nc_thermal_mode_set(th_handle->mode); 2307} 2308#endif 2309 2310/* resume on LID open */ 2311#define LID_RESUME_S5 0 2312#define LID_RESUME_S4 1 2313#define LID_RESUME_S3 2 2314#define LID_RESUME_MAX 3 2315struct snc_lid_resume_control { 2316 struct device_attribute attrs[LID_RESUME_MAX]; 2317 unsigned int status; 2318 int handle; 2319}; 2320static struct snc_lid_resume_control *lid_ctl; 2321 2322static ssize_t sony_nc_lid_resume_store(struct device *dev, 2323 struct device_attribute *attr, 2324 const char *buffer, size_t count) 2325{ 2326 unsigned int result; 2327 unsigned long value; 2328 unsigned int pos = LID_RESUME_S5; 2329 if (count > 31) 2330 return -EINVAL; 2331 2332 if (kstrtoul(buffer, 10, &value) || value > 1) 2333 return -EINVAL; 2334 2335 /* the value we have to write to SNC is a bitmask: 2336 * +--------------+ 2337 * | S3 | S4 | S5 | 2338 * +--------------+ 2339 * 2 1 0 2340 */ 2341 while (pos < LID_RESUME_MAX) { 2342 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2343 break; 2344 pos++; 2345 } 2346 if (pos == LID_RESUME_MAX) 2347 return -EINVAL; 2348 2349 if (value) 2350 value = lid_ctl->status | (1 << pos); 2351 else 2352 value = lid_ctl->status & ~(1 << pos); 2353 2354 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2355 &result)) 2356 return -EIO; 2357 2358 lid_ctl->status = value; 2359 2360 return count; 2361} 2362 2363static ssize_t sony_nc_lid_resume_show(struct device *dev, 2364 struct device_attribute *attr, 2365 char *buffer) 2366{ 2367 unsigned int pos = LID_RESUME_S5; 2368 2369 while (pos < LID_RESUME_MAX) { 2370 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2371 return snprintf(buffer, PAGE_SIZE, "%d\n", 2372 (lid_ctl->status >> pos) & 0x01); 2373 pos++; 2374 } 2375 return -EINVAL; 2376} 2377 2378static int sony_nc_lid_resume_setup(struct platform_device *pd, 2379 unsigned int handle) 2380{ 2381 unsigned int result; 2382 int i; 2383 2384 if (sony_call_snc_handle(handle, 0x0000, &result)) 2385 return -EIO; 2386 2387 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2388 if (!lid_ctl) 2389 return -ENOMEM; 2390 2391 lid_ctl->status = result & 0x7; 2392 lid_ctl->handle = handle; 2393 2394 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2395 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2396 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2397 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2398 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2399 2400 if (handle == 0x0119) { 2401 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2402 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2403 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2404 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2405 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2406 2407 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2408 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2409 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2410 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2411 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2412 } 2413 for (i = 0; i < LID_RESUME_MAX && 2414 lid_ctl->attrs[i].attr.name; i++) { 2415 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2416 if (result) 2417 goto liderror; 2418 } 2419 2420 return 0; 2421 2422liderror: 2423 for (i--; i >= 0; i--) 2424 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2425 2426 kfree(lid_ctl); 2427 lid_ctl = NULL; 2428 2429 return result; 2430} 2431 2432static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2433{ 2434 int i; 2435 2436 if (lid_ctl) { 2437 for (i = 0; i < LID_RESUME_MAX; i++) { 2438 if (!lid_ctl->attrs[i].attr.name) 2439 break; 2440 2441 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2442 } 2443 2444 kfree(lid_ctl); 2445 lid_ctl = NULL; 2446 } 2447} 2448 2449/* GFX Switch position */ 2450enum gfx_switch { 2451 SPEED, 2452 STAMINA, 2453 AUTO 2454}; 2455struct snc_gfx_switch_control { 2456 struct device_attribute attr; 2457 unsigned int handle; 2458}; 2459static struct snc_gfx_switch_control *gfxs_ctl; 2460 2461/* returns 0 for speed, 1 for stamina */ 2462static int __sony_nc_gfx_switch_status_get(void) 2463{ 2464 unsigned int result; 2465 2466 if (sony_call_snc_handle(gfxs_ctl->handle, 2467 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2468 &result)) 2469 return -EIO; 2470 2471 switch (gfxs_ctl->handle) { 2472 case 0x0146: 2473 /* 1: discrete GFX (speed) 2474 * 0: integrated GFX (stamina) 2475 */ 2476 return result & 0x1 ? SPEED : STAMINA; 2477 break; 2478 case 0x015B: 2479 /* 0: discrete GFX (speed) 2480 * 1: integrated GFX (stamina) 2481 */ 2482 return result & 0x1 ? STAMINA : SPEED; 2483 break; 2484 case 0x0128: 2485 /* it's a more elaborated bitmask, for now: 2486 * 2: integrated GFX (stamina) 2487 * 0: discrete GFX (speed) 2488 */ 2489 dprintk("GFX Status: 0x%x\n", result); 2490 return result & 0x80 ? AUTO : 2491 result & 0x02 ? STAMINA : SPEED; 2492 break; 2493 } 2494 return -EINVAL; 2495} 2496 2497static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2498 struct device_attribute *attr, 2499 char *buffer) 2500{ 2501 int pos = __sony_nc_gfx_switch_status_get(); 2502 2503 if (pos < 0) 2504 return pos; 2505 2506 return snprintf(buffer, PAGE_SIZE, "%s\n", 2507 pos == SPEED ? "speed" : 2508 pos == STAMINA ? "stamina" : 2509 pos == AUTO ? "auto" : "unknown"); 2510} 2511 2512static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2513 unsigned int handle) 2514{ 2515 unsigned int result; 2516 2517 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2518 if (!gfxs_ctl) 2519 return -ENOMEM; 2520 2521 gfxs_ctl->handle = handle; 2522 2523 sysfs_attr_init(&gfxs_ctl->attr.attr); 2524 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2525 gfxs_ctl->attr.attr.mode = S_IRUGO; 2526 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2527 2528 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2529 if (result) 2530 goto gfxerror; 2531 2532 return 0; 2533 2534gfxerror: 2535 kfree(gfxs_ctl); 2536 gfxs_ctl = NULL; 2537 2538 return result; 2539} 2540 2541static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2542{ 2543 if (gfxs_ctl) { 2544 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2545 2546 kfree(gfxs_ctl); 2547 gfxs_ctl = NULL; 2548 } 2549} 2550 2551/* High speed charging function */ 2552static struct device_attribute *hsc_handle; 2553 2554static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2555 struct device_attribute *attr, 2556 const char *buffer, size_t count) 2557{ 2558 unsigned int result; 2559 unsigned long value; 2560 2561 if (count > 31) 2562 return -EINVAL; 2563 2564 if (kstrtoul(buffer, 10, &value) || value > 1) 2565 return -EINVAL; 2566 2567 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2568 return -EIO; 2569 2570 return count; 2571} 2572 2573static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2574 struct device_attribute *attr, char *buffer) 2575{ 2576 unsigned int result; 2577 2578 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2579 return -EIO; 2580 2581 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2582} 2583 2584static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2585{ 2586 unsigned int result; 2587 2588 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2589 /* some models advertise the handle but have no implementation 2590 * for it 2591 */ 2592 pr_info("No High Speed Charging capability found\n"); 2593 return 0; 2594 } 2595 2596 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2597 if (!hsc_handle) 2598 return -ENOMEM; 2599 2600 sysfs_attr_init(&hsc_handle->attr); 2601 hsc_handle->attr.name = "battery_highspeed_charging"; 2602 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2603 hsc_handle->show = sony_nc_highspeed_charging_show; 2604 hsc_handle->store = sony_nc_highspeed_charging_store; 2605 2606 result = device_create_file(&pd->dev, hsc_handle); 2607 if (result) { 2608 kfree(hsc_handle); 2609 hsc_handle = NULL; 2610 return result; 2611 } 2612 2613 return 0; 2614} 2615 2616static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2617{ 2618 if (hsc_handle) { 2619 device_remove_file(&pd->dev, hsc_handle); 2620 kfree(hsc_handle); 2621 hsc_handle = NULL; 2622 } 2623} 2624 2625/* low battery function */ 2626static struct device_attribute *lowbatt_handle; 2627 2628static ssize_t sony_nc_lowbatt_store(struct device *dev, 2629 struct device_attribute *attr, 2630 const char *buffer, size_t count) 2631{ 2632 unsigned int result; 2633 unsigned long value; 2634 2635 if (count > 31) 2636 return -EINVAL; 2637 2638 if (kstrtoul(buffer, 10, &value) || value > 1) 2639 return -EINVAL; 2640 2641 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2642 return -EIO; 2643 2644 return count; 2645} 2646 2647static ssize_t sony_nc_lowbatt_show(struct device *dev, 2648 struct device_attribute *attr, char *buffer) 2649{ 2650 unsigned int result; 2651 2652 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2653 return -EIO; 2654 2655 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2656} 2657 2658static int sony_nc_lowbatt_setup(struct platform_device *pd) 2659{ 2660 unsigned int result; 2661 2662 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2663 if (!lowbatt_handle) 2664 return -ENOMEM; 2665 2666 sysfs_attr_init(&lowbatt_handle->attr); 2667 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2668 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2669 lowbatt_handle->show = sony_nc_lowbatt_show; 2670 lowbatt_handle->store = sony_nc_lowbatt_store; 2671 2672 result = device_create_file(&pd->dev, lowbatt_handle); 2673 if (result) { 2674 kfree(lowbatt_handle); 2675 lowbatt_handle = NULL; 2676 return result; 2677 } 2678 2679 return 0; 2680} 2681 2682static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2683{ 2684 if (lowbatt_handle) { 2685 device_remove_file(&pd->dev, lowbatt_handle); 2686 kfree(lowbatt_handle); 2687 lowbatt_handle = NULL; 2688 } 2689} 2690 2691/* fan speed function */ 2692static struct device_attribute *fan_handle, *hsf_handle; 2693 2694static ssize_t sony_nc_hsfan_store(struct device *dev, 2695 struct device_attribute *attr, 2696 const char *buffer, size_t count) 2697{ 2698 unsigned int result; 2699 unsigned long value; 2700 2701 if (count > 31) 2702 return -EINVAL; 2703 2704 if (kstrtoul(buffer, 10, &value) || value > 1) 2705 return -EINVAL; 2706 2707 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2708 return -EIO; 2709 2710 return count; 2711} 2712 2713static ssize_t sony_nc_hsfan_show(struct device *dev, 2714 struct device_attribute *attr, char *buffer) 2715{ 2716 unsigned int result; 2717 2718 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2719 return -EIO; 2720 2721 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2722} 2723 2724static ssize_t sony_nc_fanspeed_show(struct device *dev, 2725 struct device_attribute *attr, char *buffer) 2726{ 2727 unsigned int result; 2728 2729 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2730 return -EIO; 2731 2732 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2733} 2734 2735static int sony_nc_fanspeed_setup(struct platform_device *pd) 2736{ 2737 unsigned int result; 2738 2739 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2740 if (!fan_handle) 2741 return -ENOMEM; 2742 2743 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2744 if (!hsf_handle) { 2745 result = -ENOMEM; 2746 goto out_hsf_handle_alloc; 2747 } 2748 2749 sysfs_attr_init(&fan_handle->attr); 2750 fan_handle->attr.name = "fanspeed"; 2751 fan_handle->attr.mode = S_IRUGO; 2752 fan_handle->show = sony_nc_fanspeed_show; 2753 fan_handle->store = NULL; 2754 2755 sysfs_attr_init(&hsf_handle->attr); 2756 hsf_handle->attr.name = "fan_forced"; 2757 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2758 hsf_handle->show = sony_nc_hsfan_show; 2759 hsf_handle->store = sony_nc_hsfan_store; 2760 2761 result = device_create_file(&pd->dev, fan_handle); 2762 if (result) 2763 goto out_fan_handle; 2764 2765 result = device_create_file(&pd->dev, hsf_handle); 2766 if (result) 2767 goto out_hsf_handle; 2768 2769 return 0; 2770 2771out_hsf_handle: 2772 device_remove_file(&pd->dev, fan_handle); 2773 2774out_fan_handle: 2775 kfree(hsf_handle); 2776 hsf_handle = NULL; 2777 2778out_hsf_handle_alloc: 2779 kfree(fan_handle); 2780 fan_handle = NULL; 2781 return result; 2782} 2783 2784static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2785{ 2786 if (fan_handle) { 2787 device_remove_file(&pd->dev, fan_handle); 2788 kfree(fan_handle); 2789 fan_handle = NULL; 2790 } 2791 if (hsf_handle) { 2792 device_remove_file(&pd->dev, hsf_handle); 2793 kfree(hsf_handle); 2794 hsf_handle = NULL; 2795 } 2796} 2797 2798/* USB charge function */ 2799static struct device_attribute *uc_handle; 2800 2801static ssize_t sony_nc_usb_charge_store(struct device *dev, 2802 struct device_attribute *attr, 2803 const char *buffer, size_t count) 2804{ 2805 unsigned int result; 2806 unsigned long value; 2807 2808 if (count > 31) 2809 return -EINVAL; 2810 2811 if (kstrtoul(buffer, 10, &value) || value > 1) 2812 return -EINVAL; 2813 2814 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2815 return -EIO; 2816 2817 return count; 2818} 2819 2820static ssize_t sony_nc_usb_charge_show(struct device *dev, 2821 struct device_attribute *attr, char *buffer) 2822{ 2823 unsigned int result; 2824 2825 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2826 return -EIO; 2827 2828 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2829} 2830 2831static int sony_nc_usb_charge_setup(struct platform_device *pd) 2832{ 2833 unsigned int result; 2834 2835 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2836 /* some models advertise the handle but have no implementation 2837 * for it 2838 */ 2839 pr_info("No USB Charge capability found\n"); 2840 return 0; 2841 } 2842 2843 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2844 if (!uc_handle) 2845 return -ENOMEM; 2846 2847 sysfs_attr_init(&uc_handle->attr); 2848 uc_handle->attr.name = "usb_charge"; 2849 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2850 uc_handle->show = sony_nc_usb_charge_show; 2851 uc_handle->store = sony_nc_usb_charge_store; 2852 2853 result = device_create_file(&pd->dev, uc_handle); 2854 if (result) { 2855 kfree(uc_handle); 2856 uc_handle = NULL; 2857 return result; 2858 } 2859 2860 return 0; 2861} 2862 2863static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2864{ 2865 if (uc_handle) { 2866 device_remove_file(&pd->dev, uc_handle); 2867 kfree(uc_handle); 2868 uc_handle = NULL; 2869 } 2870} 2871 2872/* Panel ID function */ 2873static struct device_attribute *panel_handle; 2874 2875static ssize_t sony_nc_panelid_show(struct device *dev, 2876 struct device_attribute *attr, char *buffer) 2877{ 2878 unsigned int result; 2879 2880 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2881 return -EIO; 2882 2883 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2884} 2885 2886static int sony_nc_panelid_setup(struct platform_device *pd) 2887{ 2888 unsigned int result; 2889 2890 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2891 if (!panel_handle) 2892 return -ENOMEM; 2893 2894 sysfs_attr_init(&panel_handle->attr); 2895 panel_handle->attr.name = "panel_id"; 2896 panel_handle->attr.mode = S_IRUGO; 2897 panel_handle->show = sony_nc_panelid_show; 2898 panel_handle->store = NULL; 2899 2900 result = device_create_file(&pd->dev, panel_handle); 2901 if (result) { 2902 kfree(panel_handle); 2903 panel_handle = NULL; 2904 return result; 2905 } 2906 2907 return 0; 2908} 2909 2910static void sony_nc_panelid_cleanup(struct platform_device *pd) 2911{ 2912 if (panel_handle) { 2913 device_remove_file(&pd->dev, panel_handle); 2914 kfree(panel_handle); 2915 panel_handle = NULL; 2916 } 2917} 2918 2919/* smart connect function */ 2920static struct device_attribute *sc_handle; 2921 2922static ssize_t sony_nc_smart_conn_store(struct device *dev, 2923 struct device_attribute *attr, 2924 const char *buffer, size_t count) 2925{ 2926 unsigned int result; 2927 unsigned long value; 2928 2929 if (count > 31) 2930 return -EINVAL; 2931 2932 if (kstrtoul(buffer, 10, &value) || value > 1) 2933 return -EINVAL; 2934 2935 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2936 return -EIO; 2937 2938 return count; 2939} 2940 2941static int sony_nc_smart_conn_setup(struct platform_device *pd) 2942{ 2943 unsigned int result; 2944 2945 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2946 if (!sc_handle) 2947 return -ENOMEM; 2948 2949 sysfs_attr_init(&sc_handle->attr); 2950 sc_handle->attr.name = "smart_connect"; 2951 sc_handle->attr.mode = S_IWUSR; 2952 sc_handle->show = NULL; 2953 sc_handle->store = sony_nc_smart_conn_store; 2954 2955 result = device_create_file(&pd->dev, sc_handle); 2956 if (result) { 2957 kfree(sc_handle); 2958 sc_handle = NULL; 2959 return result; 2960 } 2961 2962 return 0; 2963} 2964 2965static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2966{ 2967 if (sc_handle) { 2968 device_remove_file(&pd->dev, sc_handle); 2969 kfree(sc_handle); 2970 sc_handle = NULL; 2971 } 2972} 2973 2974/* Touchpad enable/disable */ 2975struct touchpad_control { 2976 struct device_attribute attr; 2977 int handle; 2978}; 2979static struct touchpad_control *tp_ctl; 2980 2981static ssize_t sony_nc_touchpad_store(struct device *dev, 2982 struct device_attribute *attr, const char *buffer, size_t count) 2983{ 2984 unsigned int result; 2985 unsigned long value; 2986 2987 if (count > 31) 2988 return -EINVAL; 2989 2990 if (kstrtoul(buffer, 10, &value) || value > 1) 2991 return -EINVAL; 2992 2993 /* sysfs: 0 disabled, 1 enabled 2994 * EC: 0 enabled, 1 disabled 2995 */ 2996 if (sony_call_snc_handle(tp_ctl->handle, 2997 (!value << 0x10) | 0x100, &result)) 2998 return -EIO; 2999 3000 return count; 3001} 3002 3003static ssize_t sony_nc_touchpad_show(struct device *dev, 3004 struct device_attribute *attr, char *buffer) 3005{ 3006 unsigned int result; 3007 3008 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 3009 return -EINVAL; 3010 3011 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 3012} 3013 3014static int sony_nc_touchpad_setup(struct platform_device *pd, 3015 unsigned int handle) 3016{ 3017 int ret = 0; 3018 3019 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3020 if (!tp_ctl) 3021 return -ENOMEM; 3022 3023 tp_ctl->handle = handle; 3024 3025 sysfs_attr_init(&tp_ctl->attr.attr); 3026 tp_ctl->attr.attr.name = "touchpad"; 3027 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3028 tp_ctl->attr.show = sony_nc_touchpad_show; 3029 tp_ctl->attr.store = sony_nc_touchpad_store; 3030 3031 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3032 if (ret) { 3033 kfree(tp_ctl); 3034 tp_ctl = NULL; 3035 } 3036 3037 return ret; 3038} 3039 3040static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3041{ 3042 if (tp_ctl) { 3043 device_remove_file(&pd->dev, &tp_ctl->attr); 3044 kfree(tp_ctl); 3045 tp_ctl = NULL; 3046 } 3047} 3048 3049static void sony_nc_backlight_ng_read_limits(int handle, 3050 struct sony_backlight_props *props) 3051{ 3052 u64 offset; 3053 int i; 3054 int lvl_table_len = 0; 3055 u8 min = 0xff, max = 0x00; 3056 unsigned char buffer[32] = { 0 }; 3057 3058 props->handle = handle; 3059 props->offset = 0; 3060 props->maxlvl = 0xff; 3061 3062 offset = sony_find_snc_handle(handle); 3063 3064 /* try to read the boundaries from ACPI tables, if we fail the above 3065 * defaults should be reasonable 3066 */ 3067 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3068 32); 3069 if (i < 0) 3070 return; 3071 3072 switch (handle) { 3073 case 0x012f: 3074 case 0x0137: 3075 lvl_table_len = 9; 3076 break; 3077 case 0x143: 3078 case 0x14b: 3079 case 0x14c: 3080 lvl_table_len = 16; 3081 break; 3082 } 3083 3084 /* the buffer lists brightness levels available, brightness levels are 3085 * from position 0 to 8 in the array, other values are used by ALS 3086 * control. 3087 */ 3088 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3089 3090 dprintk("Brightness level: %d\n", buffer[i]); 3091 3092 if (!buffer[i]) 3093 break; 3094 3095 if (buffer[i] > max) 3096 max = buffer[i]; 3097 if (buffer[i] < min) 3098 min = buffer[i]; 3099 } 3100 props->offset = min; 3101 props->maxlvl = max; 3102 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3103 props->maxlvl); 3104} 3105 3106static void sony_nc_backlight_setup(void) 3107{ 3108 int max_brightness = 0; 3109 const struct backlight_ops *ops = NULL; 3110 struct backlight_properties props; 3111 3112 if (sony_find_snc_handle(0x12f) >= 0) { 3113 ops = &sony_backlight_ng_ops; 3114 sony_bl_props.cmd_base = 0x0100; 3115 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3116 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3117 3118 } else if (sony_find_snc_handle(0x137) >= 0) { 3119 ops = &sony_backlight_ng_ops; 3120 sony_bl_props.cmd_base = 0x0100; 3121 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3122 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3123 3124 } else if (sony_find_snc_handle(0x143) >= 0) { 3125 ops = &sony_backlight_ng_ops; 3126 sony_bl_props.cmd_base = 0x3000; 3127 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3128 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3129 3130 } else if (sony_find_snc_handle(0x14b) >= 0) { 3131 ops = &sony_backlight_ng_ops; 3132 sony_bl_props.cmd_base = 0x3000; 3133 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3134 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3135 3136 } else if (sony_find_snc_handle(0x14c) >= 0) { 3137 ops = &sony_backlight_ng_ops; 3138 sony_bl_props.cmd_base = 0x3000; 3139 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3140 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3141 3142 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3143 ops = &sony_backlight_ops; 3144 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3145 3146 } else 3147 return; 3148 3149 memset(&props, 0, sizeof(struct backlight_properties)); 3150 props.type = BACKLIGHT_PLATFORM; 3151 props.max_brightness = max_brightness; 3152 sony_bl_props.dev = backlight_device_register("sony", NULL, 3153 &sony_bl_props, 3154 ops, &props); 3155 3156 if (IS_ERR(sony_bl_props.dev)) { 3157 pr_warn("unable to register backlight device\n"); 3158 sony_bl_props.dev = NULL; 3159 } else 3160 sony_bl_props.dev->props.brightness = 3161 ops->get_brightness(sony_bl_props.dev); 3162} 3163 3164static void sony_nc_backlight_cleanup(void) 3165{ 3166 backlight_device_unregister(sony_bl_props.dev); 3167} 3168 3169static int sony_nc_add(struct acpi_device *device) 3170{ 3171 acpi_status status; 3172 int result = 0; 3173 struct sony_nc_value *item; 3174 3175 sony_nc_acpi_device = device; 3176 strcpy(acpi_device_class(device), "sony/hotkey"); 3177 3178 sony_nc_acpi_handle = device->handle; 3179 3180 /* read device status */ 3181 result = acpi_bus_get_status(device); 3182 /* bail IFF the above call was successful and the device is not present */ 3183 if (!result && !device->status.present) { 3184 dprintk("Device not present\n"); 3185 result = -ENODEV; 3186 goto outwalk; 3187 } 3188 3189 result = sony_pf_add(); 3190 if (result) 3191 goto outpresent; 3192 3193 if (debug) { 3194 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3195 sony_nc_acpi_handle, 1, sony_walk_callback, 3196 NULL, NULL, NULL); 3197 if (ACPI_FAILURE(status)) { 3198 pr_warn("unable to walk acpi resources\n"); 3199 result = -ENODEV; 3200 goto outpresent; 3201 } 3202 } 3203 3204 result = sony_laptop_setup_input(device); 3205 if (result) { 3206 pr_err("Unable to create input devices\n"); 3207 goto outplatform; 3208 } 3209 3210 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3211 int arg = 1; 3212 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3213 dprintk("ECON Method failed\n"); 3214 } 3215 3216 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3217 dprintk("Doing SNC setup\n"); 3218 /* retrieve the available handles */ 3219 result = sony_nc_handles_setup(sony_pf_device); 3220 if (!result) 3221 sony_nc_function_setup(device, sony_pf_device); 3222 } 3223 3224 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3225 sony_nc_backlight_setup(); 3226 3227 /* create sony_pf sysfs attributes related to the SNC device */ 3228 for (item = sony_nc_values; item->name; ++item) { 3229 3230 if (!debug && item->debug) 3231 continue; 3232 3233 /* find the available acpiget as described in the DSDT */ 3234 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3235 if (acpi_has_method(sony_nc_acpi_handle, 3236 *item->acpiget)) { 3237 dprintk("Found %s getter: %s\n", 3238 item->name, *item->acpiget); 3239 item->devattr.attr.mode |= S_IRUGO; 3240 break; 3241 } 3242 } 3243 3244 /* find the available acpiset as described in the DSDT */ 3245 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3246 if (acpi_has_method(sony_nc_acpi_handle, 3247 *item->acpiset)) { 3248 dprintk("Found %s setter: %s\n", 3249 item->name, *item->acpiset); 3250 item->devattr.attr.mode |= S_IWUSR; 3251 break; 3252 } 3253 } 3254 3255 if (item->devattr.attr.mode != 0) { 3256 result = 3257 device_create_file(&sony_pf_device->dev, 3258 &item->devattr); 3259 if (result) 3260 goto out_sysfs; 3261 } 3262 } 3263 3264 pr_info("SNC setup done.\n"); 3265 return 0; 3266 3267out_sysfs: 3268 for (item = sony_nc_values; item->name; ++item) { 3269 device_remove_file(&sony_pf_device->dev, &item->devattr); 3270 } 3271 sony_nc_backlight_cleanup(); 3272 sony_nc_function_cleanup(sony_pf_device); 3273 sony_nc_handles_cleanup(sony_pf_device); 3274 3275outplatform: 3276 sony_laptop_remove_input(); 3277 3278outpresent: 3279 sony_pf_remove(); 3280 3281outwalk: 3282 sony_nc_rfkill_cleanup(); 3283 return result; 3284} 3285 3286static int sony_nc_remove(struct acpi_device *device) 3287{ 3288 struct sony_nc_value *item; 3289 3290 sony_nc_backlight_cleanup(); 3291 3292 sony_nc_acpi_device = NULL; 3293 3294 for (item = sony_nc_values; item->name; ++item) { 3295 device_remove_file(&sony_pf_device->dev, &item->devattr); 3296 } 3297 3298 sony_nc_function_cleanup(sony_pf_device); 3299 sony_nc_handles_cleanup(sony_pf_device); 3300 sony_pf_remove(); 3301 sony_laptop_remove_input(); 3302 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3303 3304 return 0; 3305} 3306 3307static const struct acpi_device_id sony_device_ids[] = { 3308 {SONY_NC_HID, 0}, 3309 {SONY_PIC_HID, 0}, 3310 {"", 0}, 3311}; 3312MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3313 3314static const struct acpi_device_id sony_nc_device_ids[] = { 3315 {SONY_NC_HID, 0}, 3316 {"", 0}, 3317}; 3318 3319static struct acpi_driver sony_nc_driver = { 3320 .name = SONY_NC_DRIVER_NAME, 3321 .class = SONY_NC_CLASS, 3322 .ids = sony_nc_device_ids, 3323 .owner = THIS_MODULE, 3324 .ops = { 3325 .add = sony_nc_add, 3326 .remove = sony_nc_remove, 3327 .notify = sony_nc_notify, 3328 }, 3329 .drv.pm = &sony_nc_pm, 3330}; 3331 3332/*********** SPIC (SNY6001) Device ***********/ 3333 3334#define SONYPI_DEVICE_TYPE1 0x00000001 3335#define SONYPI_DEVICE_TYPE2 0x00000002 3336#define SONYPI_DEVICE_TYPE3 0x00000004 3337 3338#define SONYPI_TYPE1_OFFSET 0x04 3339#define SONYPI_TYPE2_OFFSET 0x12 3340#define SONYPI_TYPE3_OFFSET 0x12 3341 3342struct sony_pic_ioport { 3343 struct acpi_resource_io io1; 3344 struct acpi_resource_io io2; 3345 struct list_head list; 3346}; 3347 3348struct sony_pic_irq { 3349 struct acpi_resource_irq irq; 3350 struct list_head list; 3351}; 3352 3353struct sonypi_eventtypes { 3354 u8 data; 3355 unsigned long mask; 3356 struct sonypi_event *events; 3357}; 3358 3359struct sony_pic_dev { 3360 struct acpi_device *acpi_dev; 3361 struct sony_pic_irq *cur_irq; 3362 struct sony_pic_ioport *cur_ioport; 3363 struct list_head interrupts; 3364 struct list_head ioports; 3365 struct mutex lock; 3366 struct sonypi_eventtypes *event_types; 3367 int (*handle_irq)(const u8, const u8); 3368 int model; 3369 u16 evport_offset; 3370 u8 camera_power; 3371 u8 bluetooth_power; 3372 u8 wwan_power; 3373}; 3374 3375static struct sony_pic_dev spic_dev = { 3376 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3377 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3378}; 3379 3380static int spic_drv_registered; 3381 3382/* Event masks */ 3383#define SONYPI_JOGGER_MASK 0x00000001 3384#define SONYPI_CAPTURE_MASK 0x00000002 3385#define SONYPI_FNKEY_MASK 0x00000004 3386#define SONYPI_BLUETOOTH_MASK 0x00000008 3387#define SONYPI_PKEY_MASK 0x00000010 3388#define SONYPI_BACK_MASK 0x00000020 3389#define SONYPI_HELP_MASK 0x00000040 3390#define SONYPI_LID_MASK 0x00000080 3391#define SONYPI_ZOOM_MASK 0x00000100 3392#define SONYPI_THUMBPHRASE_MASK 0x00000200 3393#define SONYPI_MEYE_MASK 0x00000400 3394#define SONYPI_MEMORYSTICK_MASK 0x00000800 3395#define SONYPI_BATTERY_MASK 0x00001000 3396#define SONYPI_WIRELESS_MASK 0x00002000 3397 3398struct sonypi_event { 3399 u8 data; 3400 u8 event; 3401}; 3402 3403/* The set of possible button release events */ 3404static struct sonypi_event sonypi_releaseev[] = { 3405 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3406 { 0, 0 } 3407}; 3408 3409/* The set of possible jogger events */ 3410static struct sonypi_event sonypi_joggerev[] = { 3411 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3412 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3413 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3414 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3415 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3416 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3417 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3418 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3419 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3420 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3421 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3422 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3423 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3424 { 0, 0 } 3425}; 3426 3427/* The set of possible capture button events */ 3428static struct sonypi_event sonypi_captureev[] = { 3429 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3430 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3431 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3432 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3433 { 0, 0 } 3434}; 3435 3436/* The set of possible fnkeys events */ 3437static struct sonypi_event sonypi_fnkeyev[] = { 3438 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3439 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3440 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3441 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3442 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3443 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3444 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3445 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3446 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3447 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3448 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3449 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3450 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3451 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3452 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3453 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3454 { 0x31, SONYPI_EVENT_FNKEY_D }, 3455 { 0x32, SONYPI_EVENT_FNKEY_E }, 3456 { 0x33, SONYPI_EVENT_FNKEY_F }, 3457 { 0x34, SONYPI_EVENT_FNKEY_S }, 3458 { 0x35, SONYPI_EVENT_FNKEY_B }, 3459 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3460 { 0, 0 } 3461}; 3462 3463/* The set of possible program key events */ 3464static struct sonypi_event sonypi_pkeyev[] = { 3465 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3466 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3467 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3468 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3469 { 0, 0 } 3470}; 3471 3472/* The set of possible bluetooth events */ 3473static struct sonypi_event sonypi_blueev[] = { 3474 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3475 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3476 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3477 { 0, 0 } 3478}; 3479 3480/* The set of possible wireless events */ 3481static struct sonypi_event sonypi_wlessev[] = { 3482 { 0x59, SONYPI_EVENT_IGNORE }, 3483 { 0x5a, SONYPI_EVENT_IGNORE }, 3484 { 0, 0 } 3485}; 3486 3487/* The set of possible back button events */ 3488static struct sonypi_event sonypi_backev[] = { 3489 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3490 { 0, 0 } 3491}; 3492 3493/* The set of possible help button events */ 3494static struct sonypi_event sonypi_helpev[] = { 3495 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3496 { 0, 0 } 3497}; 3498 3499 3500/* The set of possible lid events */ 3501static struct sonypi_event sonypi_lidev[] = { 3502 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3503 { 0x50, SONYPI_EVENT_LID_OPENED }, 3504 { 0, 0 } 3505}; 3506 3507/* The set of possible zoom events */ 3508static struct sonypi_event sonypi_zoomev[] = { 3509 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3510 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3511 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3512 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3513 { 0, 0 } 3514}; 3515 3516/* The set of possible thumbphrase events */ 3517static struct sonypi_event sonypi_thumbphraseev[] = { 3518 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3519 { 0, 0 } 3520}; 3521 3522/* The set of possible motioneye camera events */ 3523static struct sonypi_event sonypi_meyeev[] = { 3524 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3525 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3526 { 0, 0 } 3527}; 3528 3529/* The set of possible memorystick events */ 3530static struct sonypi_event sonypi_memorystickev[] = { 3531 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3532 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3533 { 0, 0 } 3534}; 3535 3536/* The set of possible battery events */ 3537static struct sonypi_event sonypi_batteryev[] = { 3538 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3539 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3540 { 0, 0 } 3541}; 3542 3543/* The set of possible volume events */ 3544static struct sonypi_event sonypi_volumeev[] = { 3545 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3546 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3547 { 0, 0 } 3548}; 3549 3550/* The set of possible brightness events */ 3551static struct sonypi_event sonypi_brightnessev[] = { 3552 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3553 { 0, 0 } 3554}; 3555 3556static struct sonypi_eventtypes type1_events[] = { 3557 { 0, 0xffffffff, sonypi_releaseev }, 3558 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3559 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3560 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3561 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3562 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3563 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3564 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3565 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3566 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3567 { 0 }, 3568}; 3569static struct sonypi_eventtypes type2_events[] = { 3570 { 0, 0xffffffff, sonypi_releaseev }, 3571 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3572 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3573 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3574 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3575 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3576 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3577 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3578 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3579 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3580 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3581 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3582 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3583 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3584 { 0 }, 3585}; 3586static struct sonypi_eventtypes type3_events[] = { 3587 { 0, 0xffffffff, sonypi_releaseev }, 3588 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3589 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3590 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3591 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3592 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3593 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3594 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3595 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3596 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3597 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3598 { 0 }, 3599}; 3600 3601/* low level spic calls */ 3602#define ITERATIONS_LONG 10000 3603#define ITERATIONS_SHORT 10 3604#define wait_on_command(command, iterations) { \ 3605 unsigned int n = iterations; \ 3606 while (--n && (command)) \ 3607 udelay(1); \ 3608 if (!n) \ 3609 dprintk("command failed at %s : %s (line %d)\n", \ 3610 __FILE__, __func__, __LINE__); \ 3611} 3612 3613static u8 sony_pic_call1(u8 dev) 3614{ 3615 u8 v1, v2; 3616 3617 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3618 ITERATIONS_LONG); 3619 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3620 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3621 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3622 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3623 return v2; 3624} 3625 3626static u8 sony_pic_call2(u8 dev, u8 fn) 3627{ 3628 u8 v1; 3629 3630 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3631 ITERATIONS_LONG); 3632 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3633 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3634 ITERATIONS_LONG); 3635 outb(fn, spic_dev.cur_ioport->io1.minimum); 3636 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3637 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3638 return v1; 3639} 3640 3641static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3642{ 3643 u8 v1; 3644 3645 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3646 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3647 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3648 outb(fn, spic_dev.cur_ioport->io1.minimum); 3649 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3650 outb(v, spic_dev.cur_ioport->io1.minimum); 3651 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3652 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3653 dev, fn, v, v1); 3654 return v1; 3655} 3656 3657/* 3658 * minidrivers for SPIC models 3659 */ 3660static int type3_handle_irq(const u8 data_mask, const u8 ev) 3661{ 3662 /* 3663 * 0x31 could mean we have to take some extra action and wait for 3664 * the next irq for some Type3 models, it will generate a new 3665 * irq and we can read new data from the device: 3666 * - 0x5c and 0x5f requires 0xA0 3667 * - 0x61 requires 0xB3 3668 */ 3669 if (data_mask == 0x31) { 3670 if (ev == 0x5c || ev == 0x5f) 3671 sony_pic_call1(0xA0); 3672 else if (ev == 0x61) 3673 sony_pic_call1(0xB3); 3674 return 0; 3675 } 3676 return 1; 3677} 3678 3679static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3680{ 3681 struct pci_dev *pcidev; 3682 3683 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3684 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3685 if (pcidev) { 3686 dev->model = SONYPI_DEVICE_TYPE1; 3687 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3688 dev->event_types = type1_events; 3689 goto out; 3690 } 3691 3692 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3693 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3694 if (pcidev) { 3695 dev->model = SONYPI_DEVICE_TYPE2; 3696 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3697 dev->event_types = type2_events; 3698 goto out; 3699 } 3700 3701 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3702 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3703 if (pcidev) { 3704 dev->model = SONYPI_DEVICE_TYPE3; 3705 dev->handle_irq = type3_handle_irq; 3706 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3707 dev->event_types = type3_events; 3708 goto out; 3709 } 3710 3711 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3712 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3713 if (pcidev) { 3714 dev->model = SONYPI_DEVICE_TYPE3; 3715 dev->handle_irq = type3_handle_irq; 3716 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3717 dev->event_types = type3_events; 3718 goto out; 3719 } 3720 3721 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3722 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3723 if (pcidev) { 3724 dev->model = SONYPI_DEVICE_TYPE3; 3725 dev->handle_irq = type3_handle_irq; 3726 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3727 dev->event_types = type3_events; 3728 goto out; 3729 } 3730 3731 /* default */ 3732 dev->model = SONYPI_DEVICE_TYPE2; 3733 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3734 dev->event_types = type2_events; 3735 3736out: 3737 pci_dev_put(pcidev); 3738 3739 pr_info("detected Type%d model\n", 3740 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3741 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3742} 3743 3744/* camera tests and poweron/poweroff */ 3745#define SONYPI_CAMERA_PICTURE 5 3746#define SONYPI_CAMERA_CONTROL 0x10 3747 3748#define SONYPI_CAMERA_BRIGHTNESS 0 3749#define SONYPI_CAMERA_CONTRAST 1 3750#define SONYPI_CAMERA_HUE 2 3751#define SONYPI_CAMERA_COLOR 3 3752#define SONYPI_CAMERA_SHARPNESS 4 3753 3754#define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3755#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3756#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3757#define SONYPI_CAMERA_MUTE_MASK 0x40 3758 3759/* the rest don't need a loop until not 0xff */ 3760#define SONYPI_CAMERA_AGC 6 3761#define SONYPI_CAMERA_AGC_MASK 0x30 3762#define SONYPI_CAMERA_SHUTTER_MASK 0x7 3763 3764#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3765#define SONYPI_CAMERA_CONTROL 0x10 3766 3767#define SONYPI_CAMERA_STATUS 7 3768#define SONYPI_CAMERA_STATUS_READY 0x2 3769#define SONYPI_CAMERA_STATUS_POSITION 0x4 3770 3771#define SONYPI_DIRECTION_BACKWARDS 0x4 3772 3773#define SONYPI_CAMERA_REVISION 8 3774#define SONYPI_CAMERA_ROMVERSION 9 3775 3776static int __sony_pic_camera_ready(void) 3777{ 3778 u8 v; 3779 3780 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3781 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3782} 3783 3784static int __sony_pic_camera_off(void) 3785{ 3786 if (!camera) { 3787 pr_warn("camera control not enabled\n"); 3788 return -ENODEV; 3789 } 3790 3791 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3792 SONYPI_CAMERA_MUTE_MASK), 3793 ITERATIONS_SHORT); 3794 3795 if (spic_dev.camera_power) { 3796 sony_pic_call2(0x91, 0); 3797 spic_dev.camera_power = 0; 3798 } 3799 return 0; 3800} 3801 3802static int __sony_pic_camera_on(void) 3803{ 3804 int i, j, x; 3805 3806 if (!camera) { 3807 pr_warn("camera control not enabled\n"); 3808 return -ENODEV; 3809 } 3810 3811 if (spic_dev.camera_power) 3812 return 0; 3813 3814 for (j = 5; j > 0; j--) { 3815 3816 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3817 msleep(10); 3818 sony_pic_call1(0x93); 3819 3820 for (i = 400; i > 0; i--) { 3821 if (__sony_pic_camera_ready()) 3822 break; 3823 msleep(10); 3824 } 3825 if (i) 3826 break; 3827 } 3828 3829 if (j == 0) { 3830 pr_warn("failed to power on camera\n"); 3831 return -ENODEV; 3832 } 3833 3834 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3835 0x5a), 3836 ITERATIONS_SHORT); 3837 3838 spic_dev.camera_power = 1; 3839 return 0; 3840} 3841 3842/* External camera command (exported to the motion eye v4l driver) */ 3843int sony_pic_camera_command(int command, u8 value) 3844{ 3845 if (!camera) 3846 return -EIO; 3847 3848 mutex_lock(&spic_dev.lock); 3849 3850 switch (command) { 3851 case SONY_PIC_COMMAND_SETCAMERA: 3852 if (value) 3853 __sony_pic_camera_on(); 3854 else 3855 __sony_pic_camera_off(); 3856 break; 3857 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3858 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3859 ITERATIONS_SHORT); 3860 break; 3861 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3862 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3863 ITERATIONS_SHORT); 3864 break; 3865 case SONY_PIC_COMMAND_SETCAMERAHUE: 3866 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3867 ITERATIONS_SHORT); 3868 break; 3869 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3870 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3871 ITERATIONS_SHORT); 3872 break; 3873 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3874 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3875 ITERATIONS_SHORT); 3876 break; 3877 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3878 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3879 ITERATIONS_SHORT); 3880 break; 3881 case SONY_PIC_COMMAND_SETCAMERAAGC: 3882 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3883 ITERATIONS_SHORT); 3884 break; 3885 default: 3886 pr_err("sony_pic_camera_command invalid: %d\n", command); 3887 break; 3888 } 3889 mutex_unlock(&spic_dev.lock); 3890 return 0; 3891} 3892EXPORT_SYMBOL(sony_pic_camera_command); 3893 3894/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3895static void __sony_pic_set_wwanpower(u8 state) 3896{ 3897 state = !!state; 3898 if (spic_dev.wwan_power == state) 3899 return; 3900 sony_pic_call2(0xB0, state); 3901 sony_pic_call1(0x82); 3902 spic_dev.wwan_power = state; 3903} 3904 3905static ssize_t sony_pic_wwanpower_store(struct device *dev, 3906 struct device_attribute *attr, 3907 const char *buffer, size_t count) 3908{ 3909 unsigned long value; 3910 if (count > 31) 3911 return -EINVAL; 3912 3913 if (kstrtoul(buffer, 10, &value)) 3914 return -EINVAL; 3915 3916 mutex_lock(&spic_dev.lock); 3917 __sony_pic_set_wwanpower(value); 3918 mutex_unlock(&spic_dev.lock); 3919 3920 return count; 3921} 3922 3923static ssize_t sony_pic_wwanpower_show(struct device *dev, 3924 struct device_attribute *attr, char *buffer) 3925{ 3926 ssize_t count; 3927 mutex_lock(&spic_dev.lock); 3928 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3929 mutex_unlock(&spic_dev.lock); 3930 return count; 3931} 3932 3933/* bluetooth subsystem power state */ 3934static void __sony_pic_set_bluetoothpower(u8 state) 3935{ 3936 state = !!state; 3937 if (spic_dev.bluetooth_power == state) 3938 return; 3939 sony_pic_call2(0x96, state); 3940 sony_pic_call1(0x82); 3941 spic_dev.bluetooth_power = state; 3942} 3943 3944static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3945 struct device_attribute *attr, 3946 const char *buffer, size_t count) 3947{ 3948 unsigned long value; 3949 if (count > 31) 3950 return -EINVAL; 3951 3952 if (kstrtoul(buffer, 10, &value)) 3953 return -EINVAL; 3954 3955 mutex_lock(&spic_dev.lock); 3956 __sony_pic_set_bluetoothpower(value); 3957 mutex_unlock(&spic_dev.lock); 3958 3959 return count; 3960} 3961 3962static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3963 struct device_attribute *attr, char *buffer) 3964{ 3965 ssize_t count = 0; 3966 mutex_lock(&spic_dev.lock); 3967 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3968 mutex_unlock(&spic_dev.lock); 3969 return count; 3970} 3971 3972/* fan speed */ 3973/* FAN0 information (reverse engineered from ACPI tables) */ 3974#define SONY_PIC_FAN0_STATUS 0x93 3975static int sony_pic_set_fanspeed(unsigned long value) 3976{ 3977 return ec_write(SONY_PIC_FAN0_STATUS, value); 3978} 3979 3980static int sony_pic_get_fanspeed(u8 *value) 3981{ 3982 return ec_read(SONY_PIC_FAN0_STATUS, value); 3983} 3984 3985static ssize_t sony_pic_fanspeed_store(struct device *dev, 3986 struct device_attribute *attr, 3987 const char *buffer, size_t count) 3988{ 3989 unsigned long value; 3990 if (count > 31) 3991 return -EINVAL; 3992 3993 if (kstrtoul(buffer, 10, &value)) 3994 return -EINVAL; 3995 3996 if (sony_pic_set_fanspeed(value)) 3997 return -EIO; 3998 3999 return count; 4000} 4001 4002static ssize_t sony_pic_fanspeed_show(struct device *dev, 4003 struct device_attribute *attr, char *buffer) 4004{ 4005 u8 value = 0; 4006 if (sony_pic_get_fanspeed(&value)) 4007 return -EIO; 4008 4009 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 4010} 4011 4012#define SPIC_ATTR(_name, _mode) \ 4013struct device_attribute spic_attr_##_name = __ATTR(_name, \ 4014 _mode, sony_pic_## _name ##_show, \ 4015 sony_pic_## _name ##_store) 4016 4017static SPIC_ATTR(bluetoothpower, 0644); 4018static SPIC_ATTR(wwanpower, 0644); 4019static SPIC_ATTR(fanspeed, 0644); 4020 4021static struct attribute *spic_attributes[] = { 4022 &spic_attr_bluetoothpower.attr, 4023 &spic_attr_wwanpower.attr, 4024 &spic_attr_fanspeed.attr, 4025 NULL 4026}; 4027 4028static const struct attribute_group spic_attribute_group = { 4029 .attrs = spic_attributes 4030}; 4031 4032/******** SONYPI compatibility **********/ 4033#ifdef CONFIG_SONYPI_COMPAT 4034 4035/* battery / brightness / temperature addresses */ 4036#define SONYPI_BAT_FLAGS 0x81 4037#define SONYPI_LCD_LIGHT 0x96 4038#define SONYPI_BAT1_PCTRM 0xa0 4039#define SONYPI_BAT1_LEFT 0xa2 4040#define SONYPI_BAT1_MAXRT 0xa4 4041#define SONYPI_BAT2_PCTRM 0xa8 4042#define SONYPI_BAT2_LEFT 0xaa 4043#define SONYPI_BAT2_MAXRT 0xac 4044#define SONYPI_BAT1_MAXTK 0xb0 4045#define SONYPI_BAT1_FULL 0xb2 4046#define SONYPI_BAT2_MAXTK 0xb8 4047#define SONYPI_BAT2_FULL 0xba 4048#define SONYPI_TEMP_STATUS 0xC1 4049 4050struct sonypi_compat_s { 4051 struct fasync_struct *fifo_async; 4052 struct kfifo fifo; 4053 spinlock_t fifo_lock; 4054 wait_queue_head_t fifo_proc_list; 4055 atomic_t open_count; 4056}; 4057static struct sonypi_compat_s sonypi_compat = { 4058 .open_count = ATOMIC_INIT(0), 4059}; 4060 4061static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4062{ 4063 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4064} 4065 4066static int sonypi_misc_release(struct inode *inode, struct file *file) 4067{ 4068 atomic_dec(&sonypi_compat.open_count); 4069 return 0; 4070} 4071 4072static int sonypi_misc_open(struct inode *inode, struct file *file) 4073{ 4074 /* Flush input queue on first open */ 4075 unsigned long flags; 4076 4077 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4078 4079 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4080 kfifo_reset(&sonypi_compat.fifo); 4081 4082 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4083 4084 return 0; 4085} 4086 4087static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4088 size_t count, loff_t *pos) 4089{ 4090 ssize_t ret; 4091 unsigned char c; 4092 4093 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4094 (file->f_flags & O_NONBLOCK)) 4095 return -EAGAIN; 4096 4097 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4098 kfifo_len(&sonypi_compat.fifo) != 0); 4099 if (ret) 4100 return ret; 4101 4102 while (ret < count && 4103 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4104 &sonypi_compat.fifo_lock) == sizeof(c))) { 4105 if (put_user(c, buf++)) 4106 return -EFAULT; 4107 ret++; 4108 } 4109 4110 if (ret > 0) { 4111 struct inode *inode = file_inode(file); 4112 inode->i_atime = current_time(inode); 4113 } 4114 4115 return ret; 4116} 4117 4118static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 4119{ 4120 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4121 if (kfifo_len(&sonypi_compat.fifo)) 4122 return EPOLLIN | EPOLLRDNORM; 4123 return 0; 4124} 4125 4126static int ec_read16(u8 addr, u16 *value) 4127{ 4128 u8 val_lb, val_hb; 4129 if (ec_read(addr, &val_lb)) 4130 return -1; 4131 if (ec_read(addr + 1, &val_hb)) 4132 return -1; 4133 *value = val_lb | (val_hb << 8); 4134 return 0; 4135} 4136 4137static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4138 unsigned long arg) 4139{ 4140 int ret = 0; 4141 void __user *argp = (void __user *)arg; 4142 u8 val8; 4143 u16 val16; 4144 int value; 4145 4146 mutex_lock(&spic_dev.lock); 4147 switch (cmd) { 4148 case SONYPI_IOCGBRT: 4149 if (sony_bl_props.dev == NULL) { 4150 ret = -EIO; 4151 break; 4152 } 4153 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4154 &value)) { 4155 ret = -EIO; 4156 break; 4157 } 4158 val8 = ((value & 0xff) - 1) << 5; 4159 if (copy_to_user(argp, &val8, sizeof(val8))) 4160 ret = -EFAULT; 4161 break; 4162 case SONYPI_IOCSBRT: 4163 if (sony_bl_props.dev == NULL) { 4164 ret = -EIO; 4165 break; 4166 } 4167 if (copy_from_user(&val8, argp, sizeof(val8))) { 4168 ret = -EFAULT; 4169 break; 4170 } 4171 value = (val8 >> 5) + 1; 4172 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4173 NULL)) { 4174 ret = -EIO; 4175 break; 4176 } 4177 /* sync the backlight device status */ 4178 sony_bl_props.dev->props.brightness = 4179 sony_backlight_get_brightness(sony_bl_props.dev); 4180 break; 4181 case SONYPI_IOCGBAT1CAP: 4182 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4183 ret = -EIO; 4184 break; 4185 } 4186 if (copy_to_user(argp, &val16, sizeof(val16))) 4187 ret = -EFAULT; 4188 break; 4189 case SONYPI_IOCGBAT1REM: 4190 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4191 ret = -EIO; 4192 break; 4193 } 4194 if (copy_to_user(argp, &val16, sizeof(val16))) 4195 ret = -EFAULT; 4196 break; 4197 case SONYPI_IOCGBAT2CAP: 4198 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4199 ret = -EIO; 4200 break; 4201 } 4202 if (copy_to_user(argp, &val16, sizeof(val16))) 4203 ret = -EFAULT; 4204 break; 4205 case SONYPI_IOCGBAT2REM: 4206 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4207 ret = -EIO; 4208 break; 4209 } 4210 if (copy_to_user(argp, &val16, sizeof(val16))) 4211 ret = -EFAULT; 4212 break; 4213 case SONYPI_IOCGBATFLAGS: 4214 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4215 ret = -EIO; 4216 break; 4217 } 4218 val8 &= 0x07; 4219 if (copy_to_user(argp, &val8, sizeof(val8))) 4220 ret = -EFAULT; 4221 break; 4222 case SONYPI_IOCGBLUE: 4223 val8 = spic_dev.bluetooth_power; 4224 if (copy_to_user(argp, &val8, sizeof(val8))) 4225 ret = -EFAULT; 4226 break; 4227 case SONYPI_IOCSBLUE: 4228 if (copy_from_user(&val8, argp, sizeof(val8))) { 4229 ret = -EFAULT; 4230 break; 4231 } 4232 __sony_pic_set_bluetoothpower(val8); 4233 break; 4234 /* FAN Controls */ 4235 case SONYPI_IOCGFAN: 4236 if (sony_pic_get_fanspeed(&val8)) { 4237 ret = -EIO; 4238 break; 4239 } 4240 if (copy_to_user(argp, &val8, sizeof(val8))) 4241 ret = -EFAULT; 4242 break; 4243 case SONYPI_IOCSFAN: 4244 if (copy_from_user(&val8, argp, sizeof(val8))) { 4245 ret = -EFAULT; 4246 break; 4247 } 4248 if (sony_pic_set_fanspeed(val8)) 4249 ret = -EIO; 4250 break; 4251 /* GET Temperature (useful under APM) */ 4252 case SONYPI_IOCGTEMP: 4253 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4254 ret = -EIO; 4255 break; 4256 } 4257 if (copy_to_user(argp, &val8, sizeof(val8))) 4258 ret = -EFAULT; 4259 break; 4260 default: 4261 ret = -EINVAL; 4262 } 4263 mutex_unlock(&spic_dev.lock); 4264 return ret; 4265} 4266 4267static const struct file_operations sonypi_misc_fops = { 4268 .owner = THIS_MODULE, 4269 .read = sonypi_misc_read, 4270 .poll = sonypi_misc_poll, 4271 .open = sonypi_misc_open, 4272 .release = sonypi_misc_release, 4273 .fasync = sonypi_misc_fasync, 4274 .unlocked_ioctl = sonypi_misc_ioctl, 4275 .llseek = noop_llseek, 4276}; 4277 4278static struct miscdevice sonypi_misc_device = { 4279 .minor = MISC_DYNAMIC_MINOR, 4280 .name = "sonypi", 4281 .fops = &sonypi_misc_fops, 4282}; 4283 4284static void sonypi_compat_report_event(u8 event) 4285{ 4286 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4287 sizeof(event), &sonypi_compat.fifo_lock); 4288 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4289 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4290} 4291 4292static int sonypi_compat_init(void) 4293{ 4294 int error; 4295 4296 spin_lock_init(&sonypi_compat.fifo_lock); 4297 error = 4298 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4299 if (error) { 4300 pr_err("kfifo_alloc failed\n"); 4301 return error; 4302 } 4303 4304 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4305 4306 if (minor != -1) 4307 sonypi_misc_device.minor = minor; 4308 error = misc_register(&sonypi_misc_device); 4309 if (error) { 4310 pr_err("misc_register failed\n"); 4311 goto err_free_kfifo; 4312 } 4313 if (minor == -1) 4314 pr_info("device allocated minor is %d\n", 4315 sonypi_misc_device.minor); 4316 4317 return 0; 4318 4319err_free_kfifo: 4320 kfifo_free(&sonypi_compat.fifo); 4321 return error; 4322} 4323 4324static void sonypi_compat_exit(void) 4325{ 4326 misc_deregister(&sonypi_misc_device); 4327 kfifo_free(&sonypi_compat.fifo); 4328} 4329#else 4330static int sonypi_compat_init(void) { return 0; } 4331static void sonypi_compat_exit(void) { } 4332static void sonypi_compat_report_event(u8 event) { } 4333#endif /* CONFIG_SONYPI_COMPAT */ 4334 4335/* 4336 * ACPI callbacks 4337 */ 4338static acpi_status 4339sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4340{ 4341 u32 i; 4342 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4343 4344 switch (resource->type) { 4345 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4346 { 4347 /* start IO enumeration */ 4348 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4349 if (!ioport) 4350 return AE_ERROR; 4351 4352 list_add(&ioport->list, &dev->ioports); 4353 return AE_OK; 4354 } 4355 4356 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4357 /* end IO enumeration */ 4358 return AE_OK; 4359 4360 case ACPI_RESOURCE_TYPE_IRQ: 4361 { 4362 struct acpi_resource_irq *p = &resource->data.irq; 4363 struct sony_pic_irq *interrupt = NULL; 4364 if (!p || !p->interrupt_count) { 4365 /* 4366 * IRQ descriptors may have no IRQ# bits set, 4367 * particularly those those w/ _STA disabled 4368 */ 4369 dprintk("Blank IRQ resource\n"); 4370 return AE_OK; 4371 } 4372 for (i = 0; i < p->interrupt_count; i++) { 4373 if (!p->interrupts[i]) { 4374 pr_warn("Invalid IRQ %d\n", 4375 p->interrupts[i]); 4376 continue; 4377 } 4378 interrupt = kzalloc(sizeof(*interrupt), 4379 GFP_KERNEL); 4380 if (!interrupt) 4381 return AE_ERROR; 4382 4383 list_add(&interrupt->list, &dev->interrupts); 4384 interrupt->irq.triggering = p->triggering; 4385 interrupt->irq.polarity = p->polarity; 4386 interrupt->irq.shareable = p->shareable; 4387 interrupt->irq.interrupt_count = 1; 4388 interrupt->irq.interrupts[0] = p->interrupts[i]; 4389 } 4390 return AE_OK; 4391 } 4392 case ACPI_RESOURCE_TYPE_IO: 4393 { 4394 struct acpi_resource_io *io = &resource->data.io; 4395 struct sony_pic_ioport *ioport = 4396 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4397 if (!io) { 4398 dprintk("Blank IO resource\n"); 4399 return AE_OK; 4400 } 4401 4402 if (!ioport->io1.minimum) { 4403 memcpy(&ioport->io1, io, sizeof(*io)); 4404 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4405 ioport->io1.address_length); 4406 } 4407 else if (!ioport->io2.minimum) { 4408 memcpy(&ioport->io2, io, sizeof(*io)); 4409 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4410 ioport->io2.address_length); 4411 } 4412 else { 4413 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4414 return AE_ERROR; 4415 } 4416 return AE_OK; 4417 } 4418 4419 case ACPI_RESOURCE_TYPE_END_TAG: 4420 return AE_OK; 4421 4422 default: 4423 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4424 resource->type); 4425 return AE_CTRL_TERMINATE; 4426 4427 } 4428} 4429 4430static int sony_pic_possible_resources(struct acpi_device *device) 4431{ 4432 int result = 0; 4433 acpi_status status = AE_OK; 4434 4435 if (!device) 4436 return -EINVAL; 4437 4438 /* get device status */ 4439 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4440 dprintk("Evaluating _STA\n"); 4441 result = acpi_bus_get_status(device); 4442 if (result) { 4443 pr_warn("Unable to read status\n"); 4444 goto end; 4445 } 4446 4447 if (!device->status.enabled) 4448 dprintk("Device disabled\n"); 4449 else 4450 dprintk("Device enabled\n"); 4451 4452 /* 4453 * Query and parse 'method' 4454 */ 4455 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4456 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4457 sony_pic_read_possible_resource, &spic_dev); 4458 if (ACPI_FAILURE(status)) { 4459 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4460 result = -ENODEV; 4461 } 4462end: 4463 return result; 4464} 4465 4466/* 4467 * Disable the spic device by calling its _DIS method 4468 */ 4469static int sony_pic_disable(struct acpi_device *device) 4470{ 4471 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4472 NULL); 4473 4474 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4475 return -ENXIO; 4476 4477 dprintk("Device disabled\n"); 4478 return 0; 4479} 4480 4481 4482/* 4483 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4484 * 4485 * Call _SRS to set current resources 4486 */ 4487static int sony_pic_enable(struct acpi_device *device, 4488 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4489{ 4490 acpi_status status; 4491 int result = 0; 4492 /* Type 1 resource layout is: 4493 * IO 4494 * IO 4495 * IRQNoFlags 4496 * End 4497 * 4498 * Type 2 and 3 resource layout is: 4499 * IO 4500 * IRQNoFlags 4501 * End 4502 */ 4503 struct { 4504 struct acpi_resource res1; 4505 struct acpi_resource res2; 4506 struct acpi_resource res3; 4507 struct acpi_resource res4; 4508 } *resource; 4509 struct acpi_buffer buffer = { 0, NULL }; 4510 4511 if (!ioport || !irq) 4512 return -EINVAL; 4513 4514 /* init acpi_buffer */ 4515 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4516 if (!resource) 4517 return -ENOMEM; 4518 4519 buffer.length = sizeof(*resource) + 1; 4520 buffer.pointer = resource; 4521 4522 /* setup Type 1 resources */ 4523 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4524 4525 /* setup io resources */ 4526 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4527 resource->res1.length = sizeof(struct acpi_resource); 4528 memcpy(&resource->res1.data.io, &ioport->io1, 4529 sizeof(struct acpi_resource_io)); 4530 4531 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4532 resource->res2.length = sizeof(struct acpi_resource); 4533 memcpy(&resource->res2.data.io, &ioport->io2, 4534 sizeof(struct acpi_resource_io)); 4535 4536 /* setup irq resource */ 4537 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4538 resource->res3.length = sizeof(struct acpi_resource); 4539 memcpy(&resource->res3.data.irq, &irq->irq, 4540 sizeof(struct acpi_resource_irq)); 4541 /* we requested a shared irq */ 4542 resource->res3.data.irq.shareable = ACPI_SHARED; 4543 4544 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4545 resource->res4.length = sizeof(struct acpi_resource); 4546 } 4547 /* setup Type 2/3 resources */ 4548 else { 4549 /* setup io resource */ 4550 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4551 resource->res1.length = sizeof(struct acpi_resource); 4552 memcpy(&resource->res1.data.io, &ioport->io1, 4553 sizeof(struct acpi_resource_io)); 4554 4555 /* setup irq resource */ 4556 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4557 resource->res2.length = sizeof(struct acpi_resource); 4558 memcpy(&resource->res2.data.irq, &irq->irq, 4559 sizeof(struct acpi_resource_irq)); 4560 /* we requested a shared irq */ 4561 resource->res2.data.irq.shareable = ACPI_SHARED; 4562 4563 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4564 resource->res3.length = sizeof(struct acpi_resource); 4565 } 4566 4567 /* Attempt to set the resource */ 4568 dprintk("Evaluating _SRS\n"); 4569 status = acpi_set_current_resources(device->handle, &buffer); 4570 4571 /* check for total failure */ 4572 if (ACPI_FAILURE(status)) { 4573 pr_err("Error evaluating _SRS\n"); 4574 result = -ENODEV; 4575 goto end; 4576 } 4577 4578 /* Necessary device initializations calls (from sonypi) */ 4579 sony_pic_call1(0x82); 4580 sony_pic_call2(0x81, 0xff); 4581 sony_pic_call1(compat ? 0x92 : 0x82); 4582 4583end: 4584 kfree(resource); 4585 return result; 4586} 4587 4588/***************** 4589 * 4590 * ISR: some event is available 4591 * 4592 *****************/ 4593static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4594{ 4595 int i, j; 4596 u8 ev = 0; 4597 u8 data_mask = 0; 4598 u8 device_event = 0; 4599 4600 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4601 4602 ev = inb_p(dev->cur_ioport->io1.minimum); 4603 if (dev->cur_ioport->io2.minimum) 4604 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4605 else 4606 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4607 dev->evport_offset); 4608 4609 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4610 ev, data_mask, dev->cur_ioport->io1.minimum, 4611 dev->evport_offset); 4612 4613 if (ev == 0x00 || ev == 0xff) 4614 return IRQ_HANDLED; 4615 4616 for (i = 0; dev->event_types[i].mask; i++) { 4617 4618 if ((data_mask & dev->event_types[i].data) != 4619 dev->event_types[i].data) 4620 continue; 4621 4622 if (!(mask & dev->event_types[i].mask)) 4623 continue; 4624 4625 for (j = 0; dev->event_types[i].events[j].event; j++) { 4626 if (ev == dev->event_types[i].events[j].data) { 4627 device_event = 4628 dev->event_types[i].events[j].event; 4629 /* some events may require ignoring */ 4630 if (!device_event) 4631 return IRQ_HANDLED; 4632 goto found; 4633 } 4634 } 4635 } 4636 /* Still not able to decode the event try to pass 4637 * it over to the minidriver 4638 */ 4639 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4640 return IRQ_HANDLED; 4641 4642 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4643 ev, data_mask, dev->cur_ioport->io1.minimum, 4644 dev->evport_offset); 4645 return IRQ_HANDLED; 4646 4647found: 4648 sony_laptop_report_input_event(device_event); 4649 sonypi_compat_report_event(device_event); 4650 return IRQ_HANDLED; 4651} 4652 4653/***************** 4654 * 4655 * ACPI driver 4656 * 4657 *****************/ 4658static int sony_pic_remove(struct acpi_device *device) 4659{ 4660 struct sony_pic_ioport *io, *tmp_io; 4661 struct sony_pic_irq *irq, *tmp_irq; 4662 4663 if (sony_pic_disable(device)) { 4664 pr_err("Couldn't disable device\n"); 4665 return -ENXIO; 4666 } 4667 4668 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4669 release_region(spic_dev.cur_ioport->io1.minimum, 4670 spic_dev.cur_ioport->io1.address_length); 4671 if (spic_dev.cur_ioport->io2.minimum) 4672 release_region(spic_dev.cur_ioport->io2.minimum, 4673 spic_dev.cur_ioport->io2.address_length); 4674 4675 sonypi_compat_exit(); 4676 4677 sony_laptop_remove_input(); 4678 4679 /* pf attrs */ 4680 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4681 sony_pf_remove(); 4682 4683 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4684 list_del(&io->list); 4685 kfree(io); 4686 } 4687 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4688 list_del(&irq->list); 4689 kfree(irq); 4690 } 4691 spic_dev.cur_ioport = NULL; 4692 spic_dev.cur_irq = NULL; 4693 4694 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4695 return 0; 4696} 4697 4698static int sony_pic_add(struct acpi_device *device) 4699{ 4700 int result; 4701 struct sony_pic_ioport *io, *tmp_io; 4702 struct sony_pic_irq *irq, *tmp_irq; 4703 4704 spic_dev.acpi_dev = device; 4705 strcpy(acpi_device_class(device), "sony/hotkey"); 4706 sony_pic_detect_device_type(&spic_dev); 4707 mutex_init(&spic_dev.lock); 4708 4709 /* read _PRS resources */ 4710 result = sony_pic_possible_resources(device); 4711 if (result) { 4712 pr_err("Unable to read possible resources\n"); 4713 goto err_free_resources; 4714 } 4715 4716 /* setup input devices and helper fifo */ 4717 result = sony_laptop_setup_input(device); 4718 if (result) { 4719 pr_err("Unable to create input devices\n"); 4720 goto err_free_resources; 4721 } 4722 4723 result = sonypi_compat_init(); 4724 if (result) 4725 goto err_remove_input; 4726 4727 /* request io port */ 4728 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4729 if (request_region(io->io1.minimum, io->io1.address_length, 4730 "Sony Programmable I/O Device")) { 4731 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4732 io->io1.minimum, io->io1.maximum, 4733 io->io1.address_length); 4734 /* Type 1 have 2 ioports */ 4735 if (io->io2.minimum) { 4736 if (request_region(io->io2.minimum, 4737 io->io2.address_length, 4738 "Sony Programmable I/O Device")) { 4739 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4740 io->io2.minimum, io->io2.maximum, 4741 io->io2.address_length); 4742 spic_dev.cur_ioport = io; 4743 break; 4744 } 4745 else { 4746 dprintk("Unable to get I/O port2: " 4747 "0x%.4x (0x%.4x) + 0x%.2x\n", 4748 io->io2.minimum, io->io2.maximum, 4749 io->io2.address_length); 4750 release_region(io->io1.minimum, 4751 io->io1.address_length); 4752 } 4753 } 4754 else { 4755 spic_dev.cur_ioport = io; 4756 break; 4757 } 4758 } 4759 } 4760 if (!spic_dev.cur_ioport) { 4761 pr_err("Failed to request_region\n"); 4762 result = -ENODEV; 4763 goto err_remove_compat; 4764 } 4765 4766 /* request IRQ */ 4767 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4768 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4769 0, "sony-laptop", &spic_dev)) { 4770 dprintk("IRQ: %d - triggering: %d - " 4771 "polarity: %d - shr: %d\n", 4772 irq->irq.interrupts[0], 4773 irq->irq.triggering, 4774 irq->irq.polarity, 4775 irq->irq.shareable); 4776 spic_dev.cur_irq = irq; 4777 break; 4778 } 4779 } 4780 if (!spic_dev.cur_irq) { 4781 pr_err("Failed to request_irq\n"); 4782 result = -ENODEV; 4783 goto err_release_region; 4784 } 4785 4786 /* set resource status _SRS */ 4787 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4788 if (result) { 4789 pr_err("Couldn't enable device\n"); 4790 goto err_free_irq; 4791 } 4792 4793 spic_dev.bluetooth_power = -1; 4794 /* create device attributes */ 4795 result = sony_pf_add(); 4796 if (result) 4797 goto err_disable_device; 4798 4799 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4800 if (result) 4801 goto err_remove_pf; 4802 4803 pr_info("SPIC setup done.\n"); 4804 return 0; 4805 4806err_remove_pf: 4807 sony_pf_remove(); 4808 4809err_disable_device: 4810 sony_pic_disable(device); 4811 4812err_free_irq: 4813 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4814 4815err_release_region: 4816 release_region(spic_dev.cur_ioport->io1.minimum, 4817 spic_dev.cur_ioport->io1.address_length); 4818 if (spic_dev.cur_ioport->io2.minimum) 4819 release_region(spic_dev.cur_ioport->io2.minimum, 4820 spic_dev.cur_ioport->io2.address_length); 4821 4822err_remove_compat: 4823 sonypi_compat_exit(); 4824 4825err_remove_input: 4826 sony_laptop_remove_input(); 4827 4828err_free_resources: 4829 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4830 list_del(&io->list); 4831 kfree(io); 4832 } 4833 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4834 list_del(&irq->list); 4835 kfree(irq); 4836 } 4837 spic_dev.cur_ioport = NULL; 4838 spic_dev.cur_irq = NULL; 4839 4840 return result; 4841} 4842 4843#ifdef CONFIG_PM_SLEEP 4844static int sony_pic_suspend(struct device *dev) 4845{ 4846 if (sony_pic_disable(to_acpi_device(dev))) 4847 return -ENXIO; 4848 return 0; 4849} 4850 4851static int sony_pic_resume(struct device *dev) 4852{ 4853 sony_pic_enable(to_acpi_device(dev), 4854 spic_dev.cur_ioport, spic_dev.cur_irq); 4855 return 0; 4856} 4857#endif 4858 4859static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4860 4861static const struct acpi_device_id sony_pic_device_ids[] = { 4862 {SONY_PIC_HID, 0}, 4863 {"", 0}, 4864}; 4865 4866static struct acpi_driver sony_pic_driver = { 4867 .name = SONY_PIC_DRIVER_NAME, 4868 .class = SONY_PIC_CLASS, 4869 .ids = sony_pic_device_ids, 4870 .owner = THIS_MODULE, 4871 .ops = { 4872 .add = sony_pic_add, 4873 .remove = sony_pic_remove, 4874 }, 4875 .drv.pm = &sony_pic_pm, 4876}; 4877 4878static const struct dmi_system_id sonypi_dmi_table[] __initconst = { 4879 { 4880 .ident = "Sony Vaio", 4881 .matches = { 4882 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4883 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4884 }, 4885 }, 4886 { 4887 .ident = "Sony Vaio", 4888 .matches = { 4889 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4890 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4891 }, 4892 }, 4893 { } 4894}; 4895 4896static int __init sony_laptop_init(void) 4897{ 4898 int result; 4899 4900 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4901 result = acpi_bus_register_driver(&sony_pic_driver); 4902 if (result) { 4903 pr_err("Unable to register SPIC driver\n"); 4904 goto out; 4905 } 4906 spic_drv_registered = 1; 4907 } 4908 4909 result = acpi_bus_register_driver(&sony_nc_driver); 4910 if (result) { 4911 pr_err("Unable to register SNC driver\n"); 4912 goto out_unregister_pic; 4913 } 4914 4915 return 0; 4916 4917out_unregister_pic: 4918 if (spic_drv_registered) 4919 acpi_bus_unregister_driver(&sony_pic_driver); 4920out: 4921 return result; 4922} 4923 4924static void __exit sony_laptop_exit(void) 4925{ 4926 acpi_bus_unregister_driver(&sony_nc_driver); 4927 if (spic_drv_registered) 4928 acpi_bus_unregister_driver(&sony_pic_driver); 4929} 4930 4931module_init(sony_laptop_init); 4932module_exit(sony_laptop_exit); 4933