1 /* 2 * ACPI Sony Notebook Control Driver (SNC and SPIC) 3 * 4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 6 * 7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 8 * which are copyrighted by their respective authors. 9 * 10 * The SNY6001 driver part is based on the sonypi driver which includes 11 * material from: 12 * 13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 14 * 15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 16 * 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 18 * 19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 20 * 21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 22 * 23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 24 * 25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 26 * 27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 42 * 43 */ 44 45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 46 47 #include <linux/kernel.h> 48 #include <linux/module.h> 49 #include <linux/moduleparam.h> 50 #include <linux/init.h> 51 #include <linux/types.h> 52 #include <linux/backlight.h> 53 #include <linux/platform_device.h> 54 #include <linux/err.h> 55 #include <linux/dmi.h> 56 #include <linux/pci.h> 57 #include <linux/interrupt.h> 58 #include <linux/delay.h> 59 #include <linux/input.h> 60 #include <linux/kfifo.h> 61 #include <linux/workqueue.h> 62 #include <linux/acpi.h> 63 #include <linux/slab.h> 64 #include <linux/sonypi.h> 65 #include <linux/sony-laptop.h> 66 #include <linux/rfkill.h> 67 #ifdef CONFIG_SONYPI_COMPAT 68 #include <linux/poll.h> 69 #include <linux/miscdevice.h> 70 #endif 71 #include <asm/uaccess.h> 72 73 #define dprintk(fmt, ...) \ 74 do { \ 75 if (debug) \ 76 pr_warn(fmt, ##__VA_ARGS__); \ 77 } while (0) 78 79 #define SONY_LAPTOP_DRIVER_VERSION "0.6" 80 81 #define SONY_NC_CLASS "sony-nc" 82 #define SONY_NC_HID "SNY5001" 83 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 84 85 #define SONY_PIC_CLASS "sony-pic" 86 #define SONY_PIC_HID "SNY6001" 87 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 88 89 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 90 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 91 MODULE_LICENSE("GPL"); 92 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); 93 94 static int debug; 95 module_param(debug, int, 0); 96 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 97 "the development of this driver"); 98 99 static int no_spic; /* = 0 */ 100 module_param(no_spic, int, 0444); 101 MODULE_PARM_DESC(no_spic, 102 "set this if you don't want to enable the SPIC device"); 103 104 static int compat; /* = 0 */ 105 module_param(compat, int, 0444); 106 MODULE_PARM_DESC(compat, 107 "set this if you want to enable backward compatibility mode"); 108 109 static unsigned long mask = 0xffffffff; 110 module_param(mask, ulong, 0644); 111 MODULE_PARM_DESC(mask, 112 "set this to the mask of event you want to enable (see doc)"); 113 114 static int camera; /* = 0 */ 115 module_param(camera, int, 0444); 116 MODULE_PARM_DESC(camera, 117 "set this to 1 to enable Motion Eye camera controls " 118 "(only use it if you have a C1VE or C1VN model)"); 119 120 #ifdef CONFIG_SONYPI_COMPAT 121 static int minor = -1; 122 module_param(minor, int, 0); 123 MODULE_PARM_DESC(minor, 124 "minor number of the misc device for the SPIC compatibility code, " 125 "default is -1 (automatic)"); 126 #endif 127 128 static int kbd_backlight = -1; 129 module_param(kbd_backlight, int, 0444); 130 MODULE_PARM_DESC(kbd_backlight, 131 "set this to 0 to disable keyboard backlight, " 132 "1 to enable it (default: no change from current value)"); 133 134 static int kbd_backlight_timeout = -1; 135 module_param(kbd_backlight_timeout, int, 0444); 136 MODULE_PARM_DESC(kbd_backlight_timeout, 137 "meaningful values vary from 0 to 3 and their meaning depends " 138 "on the model (default: no change from current value)"); 139 140 #ifdef CONFIG_PM_SLEEP 141 static void sony_nc_thermal_resume(void); 142 #endif 143 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 144 unsigned int handle); 145 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 146 unsigned int handle); 147 148 static int sony_nc_battery_care_setup(struct platform_device *pd, 149 unsigned int handle); 150 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 151 152 static int sony_nc_thermal_setup(struct platform_device *pd); 153 static void sony_nc_thermal_cleanup(struct platform_device *pd); 154 155 static int sony_nc_lid_resume_setup(struct platform_device *pd); 156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 157 158 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 159 unsigned int handle); 160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 161 static int __sony_nc_gfx_switch_status_get(void); 162 163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 165 166 static int sony_nc_touchpad_setup(struct platform_device *pd, 167 unsigned int handle); 168 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 169 170 enum sony_nc_rfkill { 171 SONY_WIFI, 172 SONY_BLUETOOTH, 173 SONY_WWAN, 174 SONY_WIMAX, 175 N_SONY_RFKILL, 176 }; 177 178 static int sony_rfkill_handle; 179 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 180 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 181 static int sony_nc_rfkill_setup(struct acpi_device *device, 182 unsigned int handle); 183 static void sony_nc_rfkill_cleanup(void); 184 static void sony_nc_rfkill_update(void); 185 186 /*********** Input Devices ***********/ 187 188 #define SONY_LAPTOP_BUF_SIZE 128 189 struct sony_laptop_input_s { 190 atomic_t users; 191 struct input_dev *jog_dev; 192 struct input_dev *key_dev; 193 struct kfifo fifo; 194 spinlock_t fifo_lock; 195 struct timer_list release_key_timer; 196 }; 197 198 static struct sony_laptop_input_s sony_laptop_input = { 199 .users = ATOMIC_INIT(0), 200 }; 201 202 struct sony_laptop_keypress { 203 struct input_dev *dev; 204 int key; 205 }; 206 207 /* Correspondance table between sonypi events 208 * and input layer indexes in the keymap 209 */ 210 static int sony_laptop_input_index[] = { 211 -1, /* 0 no event */ 212 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 213 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 214 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 215 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 216 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 217 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 218 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 219 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 220 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 221 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 222 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 223 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 224 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 225 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 226 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 227 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 228 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 229 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 230 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 231 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 232 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 233 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 234 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 235 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 236 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 237 19, /* 26 SONYPI_EVENT_FNKEY_D */ 238 20, /* 27 SONYPI_EVENT_FNKEY_E */ 239 21, /* 28 SONYPI_EVENT_FNKEY_F */ 240 22, /* 29 SONYPI_EVENT_FNKEY_S */ 241 23, /* 30 SONYPI_EVENT_FNKEY_B */ 242 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 243 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 244 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 245 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 246 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 247 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 248 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 249 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 250 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 251 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 252 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 253 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 254 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 255 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 256 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 257 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 258 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 259 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 260 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 261 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 262 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 263 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 264 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 265 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 266 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 267 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 268 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 269 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 270 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 271 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 272 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 273 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 274 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 275 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 276 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 277 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 278 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 279 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 280 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 281 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 282 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 283 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 284 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 285 }; 286 287 static int sony_laptop_input_keycode_map[] = { 288 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 289 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 290 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 291 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 292 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 293 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 294 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 295 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 296 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 297 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 298 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 299 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 300 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 301 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 302 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 303 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 304 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 305 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 306 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 307 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 308 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 309 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 310 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 311 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 312 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 313 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 314 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 315 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 316 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 317 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 318 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 319 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 320 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 321 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 322 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 323 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 324 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 325 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 326 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 327 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 328 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 329 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 330 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 331 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 332 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 333 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 334 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 335 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 336 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 337 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 338 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 339 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 340 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 341 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 342 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 343 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 344 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 345 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 346 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 347 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 348 }; 349 350 /* release buttons after a short delay if pressed */ 351 static void do_sony_laptop_release_key(unsigned long unused) 352 { 353 struct sony_laptop_keypress kp; 354 unsigned long flags; 355 356 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 357 358 if (kfifo_out(&sony_laptop_input.fifo, 359 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 360 input_report_key(kp.dev, kp.key, 0); 361 input_sync(kp.dev); 362 } 363 364 /* If there is something in the fifo schedule next release. */ 365 if (kfifo_len(&sony_laptop_input.fifo) != 0) 366 mod_timer(&sony_laptop_input.release_key_timer, 367 jiffies + msecs_to_jiffies(10)); 368 369 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 370 } 371 372 /* forward event to the input subsystem */ 373 static void sony_laptop_report_input_event(u8 event) 374 { 375 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 376 struct input_dev *key_dev = sony_laptop_input.key_dev; 377 struct sony_laptop_keypress kp = { NULL }; 378 int scancode = -1; 379 380 if (event == SONYPI_EVENT_FNKEY_RELEASED || 381 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 382 /* Nothing, not all VAIOs generate this event */ 383 return; 384 } 385 386 /* report events */ 387 switch (event) { 388 /* jog_dev events */ 389 case SONYPI_EVENT_JOGDIAL_UP: 390 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 391 input_report_rel(jog_dev, REL_WHEEL, 1); 392 input_sync(jog_dev); 393 return; 394 395 case SONYPI_EVENT_JOGDIAL_DOWN: 396 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 397 input_report_rel(jog_dev, REL_WHEEL, -1); 398 input_sync(jog_dev); 399 return; 400 401 /* key_dev events */ 402 case SONYPI_EVENT_JOGDIAL_PRESSED: 403 kp.key = BTN_MIDDLE; 404 kp.dev = jog_dev; 405 break; 406 407 default: 408 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 409 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 410 break; 411 } 412 if ((scancode = sony_laptop_input_index[event]) != -1) { 413 kp.key = sony_laptop_input_keycode_map[scancode]; 414 if (kp.key != KEY_UNKNOWN) 415 kp.dev = key_dev; 416 } 417 break; 418 } 419 420 if (kp.dev) { 421 /* if we have a scancode we emit it so we can always 422 remap the key */ 423 if (scancode != -1) 424 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 425 input_report_key(kp.dev, kp.key, 1); 426 input_sync(kp.dev); 427 428 /* schedule key release */ 429 kfifo_in_locked(&sony_laptop_input.fifo, 430 (unsigned char *)&kp, sizeof(kp), 431 &sony_laptop_input.fifo_lock); 432 mod_timer(&sony_laptop_input.release_key_timer, 433 jiffies + msecs_to_jiffies(10)); 434 } else 435 dprintk("unknown input event %.2x\n", event); 436 } 437 438 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 439 { 440 struct input_dev *jog_dev; 441 struct input_dev *key_dev; 442 int i; 443 int error; 444 445 /* don't run again if already initialized */ 446 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 447 return 0; 448 449 /* kfifo */ 450 spin_lock_init(&sony_laptop_input.fifo_lock); 451 error = kfifo_alloc(&sony_laptop_input.fifo, 452 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 453 if (error) { 454 pr_err("kfifo_alloc failed\n"); 455 goto err_dec_users; 456 } 457 458 setup_timer(&sony_laptop_input.release_key_timer, 459 do_sony_laptop_release_key, 0); 460 461 /* input keys */ 462 key_dev = input_allocate_device(); 463 if (!key_dev) { 464 error = -ENOMEM; 465 goto err_free_kfifo; 466 } 467 468 key_dev->name = "Sony Vaio Keys"; 469 key_dev->id.bustype = BUS_ISA; 470 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 471 key_dev->dev.parent = &acpi_device->dev; 472 473 /* Initialize the Input Drivers: special keys */ 474 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 475 476 __set_bit(EV_KEY, key_dev->evbit); 477 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 478 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 479 key_dev->keycode = &sony_laptop_input_keycode_map; 480 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 481 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 482 __clear_bit(KEY_RESERVED, key_dev->keybit); 483 484 error = input_register_device(key_dev); 485 if (error) 486 goto err_free_keydev; 487 488 sony_laptop_input.key_dev = key_dev; 489 490 /* jogdial */ 491 jog_dev = input_allocate_device(); 492 if (!jog_dev) { 493 error = -ENOMEM; 494 goto err_unregister_keydev; 495 } 496 497 jog_dev->name = "Sony Vaio Jogdial"; 498 jog_dev->id.bustype = BUS_ISA; 499 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 500 jog_dev->dev.parent = &acpi_device->dev; 501 502 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 503 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 504 505 error = input_register_device(jog_dev); 506 if (error) 507 goto err_free_jogdev; 508 509 sony_laptop_input.jog_dev = jog_dev; 510 511 return 0; 512 513 err_free_jogdev: 514 input_free_device(jog_dev); 515 516 err_unregister_keydev: 517 input_unregister_device(key_dev); 518 /* to avoid kref underflow below at input_free_device */ 519 key_dev = NULL; 520 521 err_free_keydev: 522 input_free_device(key_dev); 523 524 err_free_kfifo: 525 kfifo_free(&sony_laptop_input.fifo); 526 527 err_dec_users: 528 atomic_dec(&sony_laptop_input.users); 529 return error; 530 } 531 532 static void sony_laptop_remove_input(void) 533 { 534 struct sony_laptop_keypress kp = { NULL }; 535 536 /* Cleanup only after the last user has gone */ 537 if (!atomic_dec_and_test(&sony_laptop_input.users)) 538 return; 539 540 del_timer_sync(&sony_laptop_input.release_key_timer); 541 542 /* 543 * Generate key-up events for remaining keys. Note that we don't 544 * need locking since nobody is adding new events to the kfifo. 545 */ 546 while (kfifo_out(&sony_laptop_input.fifo, 547 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 548 input_report_key(kp.dev, kp.key, 0); 549 input_sync(kp.dev); 550 } 551 552 /* destroy input devs */ 553 input_unregister_device(sony_laptop_input.key_dev); 554 sony_laptop_input.key_dev = NULL; 555 556 if (sony_laptop_input.jog_dev) { 557 input_unregister_device(sony_laptop_input.jog_dev); 558 sony_laptop_input.jog_dev = NULL; 559 } 560 561 kfifo_free(&sony_laptop_input.fifo); 562 } 563 564 /*********** Platform Device ***********/ 565 566 static atomic_t sony_pf_users = ATOMIC_INIT(0); 567 static struct platform_driver sony_pf_driver = { 568 .driver = { 569 .name = "sony-laptop", 570 .owner = THIS_MODULE, 571 } 572 }; 573 static struct platform_device *sony_pf_device; 574 575 static 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 } 608 609 static 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 1 627 628 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 629 char *); 630 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 631 const char *, size_t); 632 static int boolean_validate(const int, const int); 633 static int brightness_default_validate(const int, const int); 634 635 struct 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 } 660 661 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 662 663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 664 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 665 666 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 667 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 668 669 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 670 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 671 672 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 673 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 674 675 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 676 677 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 678 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 679 680 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 681 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 682 683 SNC_HANDLE_NAMES(PID_get, "GPID"); 684 685 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 686 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 687 688 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 689 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 690 691 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 692 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 693 694 static 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 }; 716 717 static acpi_handle sony_nc_acpi_handle; 718 static 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 */ 725 static 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 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 761 int *result) 762 { 763 union acpi_object *object = NULL; 764 if (value) { 765 u64 v = *value; 766 object = __call_snc_method(handle, name, &v); 767 } else 768 object = __call_snc_method(handle, name, NULL); 769 770 if (!object) 771 return -EINVAL; 772 773 if (object->type != ACPI_TYPE_INTEGER) { 774 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 775 ACPI_TYPE_INTEGER, object->type); 776 kfree(object); 777 return -EINVAL; 778 } 779 780 if (result) 781 *result = object->integer.value; 782 783 kfree(object); 784 return 0; 785 } 786 787 #define MIN(a, b) (a > b ? b : a) 788 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 789 void *buffer, size_t buflen) 790 { 791 int ret = 0; 792 size_t len; 793 union acpi_object *object = __call_snc_method(handle, name, value); 794 795 if (!object) 796 return -EINVAL; 797 798 if (object->type == ACPI_TYPE_BUFFER) { 799 len = MIN(buflen, object->buffer.length); 800 memcpy(buffer, object->buffer.pointer, len); 801 802 } else if (object->type == ACPI_TYPE_INTEGER) { 803 len = MIN(buflen, sizeof(object->integer.value)); 804 memcpy(buffer, &object->integer.value, len); 805 806 } else { 807 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 808 ACPI_TYPE_BUFFER, object->type); 809 ret = -EINVAL; 810 } 811 812 kfree(object); 813 return ret; 814 } 815 816 struct sony_nc_handles { 817 u16 cap[0x10]; 818 struct device_attribute devattr; 819 }; 820 821 static struct sony_nc_handles *handles; 822 823 static ssize_t sony_nc_handles_show(struct device *dev, 824 struct device_attribute *attr, char *buffer) 825 { 826 ssize_t len = 0; 827 int i; 828 829 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 830 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 831 handles->cap[i]); 832 } 833 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 834 835 return len; 836 } 837 838 static int sony_nc_handles_setup(struct platform_device *pd) 839 { 840 int i, r, result, arg; 841 842 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 843 if (!handles) 844 return -ENOMEM; 845 846 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 847 arg = i + 0x20; 848 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 849 &result); 850 if (!r) { 851 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 852 result, i); 853 handles->cap[i] = result; 854 } 855 } 856 857 if (debug) { 858 sysfs_attr_init(&handles->devattr.attr); 859 handles->devattr.attr.name = "handles"; 860 handles->devattr.attr.mode = S_IRUGO; 861 handles->devattr.show = sony_nc_handles_show; 862 863 /* allow reading capabilities via sysfs */ 864 if (device_create_file(&pd->dev, &handles->devattr)) { 865 kfree(handles); 866 handles = NULL; 867 return -1; 868 } 869 } 870 871 return 0; 872 } 873 874 static int sony_nc_handles_cleanup(struct platform_device *pd) 875 { 876 if (handles) { 877 if (debug) 878 device_remove_file(&pd->dev, &handles->devattr); 879 kfree(handles); 880 handles = NULL; 881 } 882 return 0; 883 } 884 885 static int sony_find_snc_handle(int handle) 886 { 887 int i; 888 889 /* not initialized yet, return early */ 890 if (!handles || !handle) 891 return -EINVAL; 892 893 for (i = 0; i < 0x10; i++) { 894 if (handles->cap[i] == handle) { 895 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 896 handle, i); 897 return i; 898 } 899 } 900 dprintk("handle 0x%.4x not found\n", handle); 901 return -EINVAL; 902 } 903 904 static int sony_call_snc_handle(int handle, int argument, int *result) 905 { 906 int arg, ret = 0; 907 int offset = sony_find_snc_handle(handle); 908 909 if (offset < 0) 910 return offset; 911 912 arg = offset | argument; 913 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 914 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 915 return ret; 916 } 917 918 /* 919 * sony_nc_values input/output validate functions 920 */ 921 922 /* brightness_default_validate: 923 * 924 * manipulate input output values to keep consistency with the 925 * backlight framework for which brightness values are 0-based. 926 */ 927 static int brightness_default_validate(const int direction, const int value) 928 { 929 switch (direction) { 930 case SNC_VALIDATE_OUT: 931 return value - 1; 932 case SNC_VALIDATE_IN: 933 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 934 return value + 1; 935 } 936 return -EINVAL; 937 } 938 939 /* boolean_validate: 940 * 941 * on input validate boolean values 0/1, on output just pass the 942 * received value. 943 */ 944 static int boolean_validate(const int direction, const int value) 945 { 946 if (direction == SNC_VALIDATE_IN) { 947 if (value != 0 && value != 1) 948 return -EINVAL; 949 } 950 return value; 951 } 952 953 /* 954 * Sysfs show/store common to all sony_nc_values 955 */ 956 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 957 char *buffer) 958 { 959 int value, ret = 0; 960 struct sony_nc_value *item = 961 container_of(attr, struct sony_nc_value, devattr); 962 963 if (!*item->acpiget) 964 return -EIO; 965 966 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 967 &value); 968 if (ret < 0) 969 return -EIO; 970 971 if (item->validate) 972 value = item->validate(SNC_VALIDATE_OUT, value); 973 974 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 975 } 976 977 static ssize_t sony_nc_sysfs_store(struct device *dev, 978 struct device_attribute *attr, 979 const char *buffer, size_t count) 980 { 981 int value; 982 int ret = 0; 983 struct sony_nc_value *item = 984 container_of(attr, struct sony_nc_value, devattr); 985 986 if (!item->acpiset) 987 return -EIO; 988 989 if (count > 31) 990 return -EINVAL; 991 992 if (kstrtoint(buffer, 10, &value)) 993 return -EINVAL; 994 995 if (item->validate) 996 value = item->validate(SNC_VALIDATE_IN, value); 997 998 if (value < 0) 999 return value; 1000 1001 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1002 &value, NULL); 1003 if (ret < 0) 1004 return -EIO; 1005 1006 item->value = value; 1007 item->valid = 1; 1008 return count; 1009 } 1010 1011 1012 /* 1013 * Backlight device 1014 */ 1015 struct sony_backlight_props { 1016 struct backlight_device *dev; 1017 int handle; 1018 int cmd_base; 1019 u8 offset; 1020 u8 maxlvl; 1021 }; 1022 struct sony_backlight_props sony_bl_props; 1023 1024 static int sony_backlight_update_status(struct backlight_device *bd) 1025 { 1026 int arg = bd->props.brightness + 1; 1027 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1028 } 1029 1030 static int sony_backlight_get_brightness(struct backlight_device *bd) 1031 { 1032 int value; 1033 1034 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1035 return 0; 1036 /* brightness levels are 1-based, while backlight ones are 0-based */ 1037 return value - 1; 1038 } 1039 1040 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1041 { 1042 int result; 1043 struct sony_backlight_props *sdev = 1044 (struct sony_backlight_props *)bl_get_data(bd); 1045 1046 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1047 1048 return (result & 0xff) - sdev->offset; 1049 } 1050 1051 static int sony_nc_update_status_ng(struct backlight_device *bd) 1052 { 1053 int value, result; 1054 struct sony_backlight_props *sdev = 1055 (struct sony_backlight_props *)bl_get_data(bd); 1056 1057 value = bd->props.brightness + sdev->offset; 1058 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1059 &result)) 1060 return -EIO; 1061 1062 return value; 1063 } 1064 1065 static const struct backlight_ops sony_backlight_ops = { 1066 .options = BL_CORE_SUSPENDRESUME, 1067 .update_status = sony_backlight_update_status, 1068 .get_brightness = sony_backlight_get_brightness, 1069 }; 1070 static const struct backlight_ops sony_backlight_ng_ops = { 1071 .options = BL_CORE_SUSPENDRESUME, 1072 .update_status = sony_nc_update_status_ng, 1073 .get_brightness = sony_nc_get_brightness_ng, 1074 }; 1075 1076 /* 1077 * New SNC-only Vaios event mapping to driver known keys 1078 */ 1079 struct sony_nc_event { 1080 u8 data; 1081 u8 event; 1082 }; 1083 1084 static struct sony_nc_event sony_100_events[] = { 1085 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1086 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1087 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1088 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1089 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1090 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1091 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1092 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1093 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1094 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1095 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1096 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1097 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1098 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1099 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1100 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1101 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1102 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1103 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1104 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1105 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1106 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1107 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1108 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1109 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1110 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1111 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1112 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1113 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1114 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1115 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1116 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1117 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1118 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1119 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1120 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1121 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1122 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1123 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1124 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1125 { 0, 0 }, 1126 }; 1127 1128 static struct sony_nc_event sony_127_events[] = { 1129 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1130 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1131 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1132 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1133 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1134 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1135 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1136 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1137 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1138 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1139 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1140 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1141 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1142 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1143 { 0, 0 }, 1144 }; 1145 1146 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1147 { 1148 int ret = -EINVAL; 1149 unsigned int result = 0; 1150 struct sony_nc_event *key_event; 1151 1152 if (sony_call_snc_handle(handle, 0x200, &result)) { 1153 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1154 event); 1155 return -EINVAL; 1156 } 1157 1158 result &= 0xFF; 1159 1160 if (handle == 0x0100) 1161 key_event = sony_100_events; 1162 else 1163 key_event = sony_127_events; 1164 1165 for (; key_event->data; key_event++) { 1166 if (key_event->data == result) { 1167 ret = key_event->event; 1168 break; 1169 } 1170 } 1171 1172 if (!key_event->data) 1173 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1174 event, result, handle); 1175 1176 return ret; 1177 } 1178 1179 /* 1180 * ACPI callbacks 1181 */ 1182 enum event_types { 1183 HOTKEY = 1, 1184 KILLSWITCH, 1185 GFX_SWITCH 1186 }; 1187 static void sony_nc_notify(struct acpi_device *device, u32 event) 1188 { 1189 u32 real_ev = event; 1190 u8 ev_type = 0; 1191 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1192 1193 if (event >= 0x90) { 1194 unsigned int result = 0; 1195 unsigned int arg = 0; 1196 unsigned int handle = 0; 1197 unsigned int offset = event - 0x90; 1198 1199 if (offset >= ARRAY_SIZE(handles->cap)) { 1200 pr_err("Event 0x%x outside of capabilities list\n", 1201 event); 1202 return; 1203 } 1204 handle = handles->cap[offset]; 1205 1206 /* list of handles known for generating events */ 1207 switch (handle) { 1208 /* hotkey event */ 1209 case 0x0100: 1210 case 0x0127: 1211 ev_type = HOTKEY; 1212 real_ev = sony_nc_hotkeys_decode(event, handle); 1213 1214 if (real_ev > 0) 1215 sony_laptop_report_input_event(real_ev); 1216 else 1217 /* restore the original event for reporting */ 1218 real_ev = event; 1219 1220 break; 1221 1222 /* wlan switch */ 1223 case 0x0124: 1224 case 0x0135: 1225 /* events on this handle are reported when the 1226 * switch changes position or for battery 1227 * events. We'll notify both of them but only 1228 * update the rfkill device status when the 1229 * switch is moved. 1230 */ 1231 ev_type = KILLSWITCH; 1232 sony_call_snc_handle(handle, 0x0100, &result); 1233 real_ev = result & 0x03; 1234 1235 /* hw switch event */ 1236 if (real_ev == 1) 1237 sony_nc_rfkill_update(); 1238 1239 break; 1240 1241 case 0x0128: 1242 case 0x0146: 1243 /* Hybrid GFX switching */ 1244 sony_call_snc_handle(handle, 0x0000, &result); 1245 dprintk("GFX switch event received (reason: %s)\n", 1246 (result == 0x1) ? "switch change" : 1247 (result == 0x2) ? "output switch" : 1248 (result == 0x3) ? "output switch" : 1249 ""); 1250 1251 ev_type = GFX_SWITCH; 1252 real_ev = __sony_nc_gfx_switch_status_get(); 1253 break; 1254 1255 case 0x015B: 1256 /* Hybrid GFX switching SVS151290S */ 1257 ev_type = GFX_SWITCH; 1258 real_ev = __sony_nc_gfx_switch_status_get(); 1259 break; 1260 default: 1261 dprintk("Unknown event 0x%x for handle 0x%x\n", 1262 event, handle); 1263 break; 1264 } 1265 1266 /* clear the event (and the event reason when present) */ 1267 arg = 1 << offset; 1268 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1269 1270 } else { 1271 /* old style event */ 1272 ev_type = HOTKEY; 1273 sony_laptop_report_input_event(real_ev); 1274 } 1275 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1276 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1277 } 1278 1279 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1280 void *context, void **return_value) 1281 { 1282 struct acpi_device_info *info; 1283 1284 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1285 pr_warn("method: name: %4.4s, args %X\n", 1286 (char *)&info->name, info->param_count); 1287 1288 kfree(info); 1289 } 1290 1291 return AE_OK; 1292 } 1293 1294 /* 1295 * ACPI device 1296 */ 1297 static void sony_nc_function_setup(struct acpi_device *device, 1298 struct platform_device *pf_device) 1299 { 1300 unsigned int i, result, bitmask, arg; 1301 1302 if (!handles) 1303 return; 1304 1305 /* setup found handles here */ 1306 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1307 unsigned int handle = handles->cap[i]; 1308 1309 if (!handle) 1310 continue; 1311 1312 dprintk("setting up handle 0x%.4x\n", handle); 1313 1314 switch (handle) { 1315 case 0x0100: 1316 case 0x0101: 1317 case 0x0127: 1318 /* setup hotkeys */ 1319 sony_call_snc_handle(handle, 0, &result); 1320 break; 1321 case 0x0102: 1322 /* setup hotkeys */ 1323 sony_call_snc_handle(handle, 0x100, &result); 1324 break; 1325 case 0x0105: 1326 case 0x0148: 1327 /* touchpad enable/disable */ 1328 result = sony_nc_touchpad_setup(pf_device, handle); 1329 if (result) 1330 pr_err("couldn't set up touchpad control function (%d)\n", 1331 result); 1332 break; 1333 case 0x0115: 1334 case 0x0136: 1335 case 0x013f: 1336 result = sony_nc_battery_care_setup(pf_device, handle); 1337 if (result) 1338 pr_err("couldn't set up battery care function (%d)\n", 1339 result); 1340 break; 1341 case 0x0119: 1342 result = sony_nc_lid_resume_setup(pf_device); 1343 if (result) 1344 pr_err("couldn't set up lid resume function (%d)\n", 1345 result); 1346 break; 1347 case 0x0122: 1348 result = sony_nc_thermal_setup(pf_device); 1349 if (result) 1350 pr_err("couldn't set up thermal profile function (%d)\n", 1351 result); 1352 break; 1353 case 0x0128: 1354 case 0x0146: 1355 case 0x015B: 1356 result = sony_nc_gfx_switch_setup(pf_device, handle); 1357 if (result) 1358 pr_err("couldn't set up GFX Switch status (%d)\n", 1359 result); 1360 break; 1361 case 0x0131: 1362 result = sony_nc_highspeed_charging_setup(pf_device); 1363 if (result) 1364 pr_err("couldn't set up high speed charging function (%d)\n", 1365 result); 1366 break; 1367 case 0x0124: 1368 case 0x0135: 1369 result = sony_nc_rfkill_setup(device, handle); 1370 if (result) 1371 pr_err("couldn't set up rfkill support (%d)\n", 1372 result); 1373 break; 1374 case 0x0137: 1375 case 0x0143: 1376 case 0x014b: 1377 case 0x014c: 1378 case 0x0163: 1379 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1380 if (result) 1381 pr_err("couldn't set up keyboard backlight function (%d)\n", 1382 result); 1383 break; 1384 default: 1385 continue; 1386 } 1387 } 1388 1389 /* Enable all events */ 1390 arg = 0x10; 1391 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1392 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1393 &result); 1394 } 1395 1396 static void sony_nc_function_cleanup(struct platform_device *pd) 1397 { 1398 unsigned int i, result, bitmask, handle; 1399 1400 /* get enabled events and disable them */ 1401 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1402 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1403 1404 /* cleanup handles here */ 1405 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1406 1407 handle = handles->cap[i]; 1408 1409 if (!handle) 1410 continue; 1411 1412 switch (handle) { 1413 case 0x0105: 1414 case 0x0148: 1415 sony_nc_touchpad_cleanup(pd); 1416 break; 1417 case 0x0115: 1418 case 0x0136: 1419 case 0x013f: 1420 sony_nc_battery_care_cleanup(pd); 1421 break; 1422 case 0x0119: 1423 sony_nc_lid_resume_cleanup(pd); 1424 break; 1425 case 0x0122: 1426 sony_nc_thermal_cleanup(pd); 1427 break; 1428 case 0x0128: 1429 case 0x0146: 1430 case 0x015B: 1431 sony_nc_gfx_switch_cleanup(pd); 1432 break; 1433 case 0x0131: 1434 sony_nc_highspeed_charging_cleanup(pd); 1435 break; 1436 case 0x0124: 1437 case 0x0135: 1438 sony_nc_rfkill_cleanup(); 1439 break; 1440 case 0x0137: 1441 case 0x0143: 1442 case 0x014b: 1443 case 0x014c: 1444 case 0x0163: 1445 sony_nc_kbd_backlight_cleanup(pd, handle); 1446 break; 1447 default: 1448 continue; 1449 } 1450 } 1451 1452 /* finally cleanup the handles list */ 1453 sony_nc_handles_cleanup(pd); 1454 } 1455 1456 #ifdef CONFIG_PM_SLEEP 1457 static void sony_nc_function_resume(void) 1458 { 1459 unsigned int i, result, bitmask, arg; 1460 1461 dprintk("Resuming SNC device\n"); 1462 1463 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1464 unsigned int handle = handles->cap[i]; 1465 1466 if (!handle) 1467 continue; 1468 1469 switch (handle) { 1470 case 0x0100: 1471 case 0x0101: 1472 case 0x0127: 1473 /* re-enable hotkeys */ 1474 sony_call_snc_handle(handle, 0, &result); 1475 break; 1476 case 0x0102: 1477 /* re-enable hotkeys */ 1478 sony_call_snc_handle(handle, 0x100, &result); 1479 break; 1480 case 0x0122: 1481 sony_nc_thermal_resume(); 1482 break; 1483 case 0x0124: 1484 case 0x0135: 1485 sony_nc_rfkill_update(); 1486 break; 1487 default: 1488 continue; 1489 } 1490 } 1491 1492 /* Enable all events */ 1493 arg = 0x10; 1494 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1495 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1496 &result); 1497 } 1498 1499 static int sony_nc_resume(struct device *dev) 1500 { 1501 struct sony_nc_value *item; 1502 1503 for (item = sony_nc_values; item->name; item++) { 1504 int ret; 1505 1506 if (!item->valid) 1507 continue; 1508 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1509 &item->value, NULL); 1510 if (ret < 0) { 1511 pr_err("%s: %d\n", __func__, ret); 1512 break; 1513 } 1514 } 1515 1516 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1517 int arg = 1; 1518 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1519 dprintk("ECON Method failed\n"); 1520 } 1521 1522 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1523 sony_nc_function_resume(); 1524 1525 return 0; 1526 } 1527 #endif 1528 1529 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1530 1531 static void sony_nc_rfkill_cleanup(void) 1532 { 1533 int i; 1534 1535 for (i = 0; i < N_SONY_RFKILL; i++) { 1536 if (sony_rfkill_devices[i]) { 1537 rfkill_unregister(sony_rfkill_devices[i]); 1538 rfkill_destroy(sony_rfkill_devices[i]); 1539 } 1540 } 1541 } 1542 1543 static int sony_nc_rfkill_set(void *data, bool blocked) 1544 { 1545 int result; 1546 int argument = sony_rfkill_address[(long) data] + 0x100; 1547 1548 if (!blocked) 1549 argument |= 0x070000; 1550 1551 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1552 } 1553 1554 static const struct rfkill_ops sony_rfkill_ops = { 1555 .set_block = sony_nc_rfkill_set, 1556 }; 1557 1558 static int sony_nc_setup_rfkill(struct acpi_device *device, 1559 enum sony_nc_rfkill nc_type) 1560 { 1561 int err = 0; 1562 struct rfkill *rfk; 1563 enum rfkill_type type; 1564 const char *name; 1565 int result; 1566 bool hwblock, swblock; 1567 1568 switch (nc_type) { 1569 case SONY_WIFI: 1570 type = RFKILL_TYPE_WLAN; 1571 name = "sony-wifi"; 1572 break; 1573 case SONY_BLUETOOTH: 1574 type = RFKILL_TYPE_BLUETOOTH; 1575 name = "sony-bluetooth"; 1576 break; 1577 case SONY_WWAN: 1578 type = RFKILL_TYPE_WWAN; 1579 name = "sony-wwan"; 1580 break; 1581 case SONY_WIMAX: 1582 type = RFKILL_TYPE_WIMAX; 1583 name = "sony-wimax"; 1584 break; 1585 default: 1586 return -EINVAL; 1587 } 1588 1589 rfk = rfkill_alloc(name, &device->dev, type, 1590 &sony_rfkill_ops, (void *)nc_type); 1591 if (!rfk) 1592 return -ENOMEM; 1593 1594 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1595 rfkill_destroy(rfk); 1596 return -1; 1597 } 1598 hwblock = !(result & 0x1); 1599 1600 if (sony_call_snc_handle(sony_rfkill_handle, 1601 sony_rfkill_address[nc_type], 1602 &result) < 0) { 1603 rfkill_destroy(rfk); 1604 return -1; 1605 } 1606 swblock = !(result & 0x2); 1607 1608 rfkill_init_sw_state(rfk, swblock); 1609 rfkill_set_hw_state(rfk, hwblock); 1610 1611 err = rfkill_register(rfk); 1612 if (err) { 1613 rfkill_destroy(rfk); 1614 return err; 1615 } 1616 sony_rfkill_devices[nc_type] = rfk; 1617 return err; 1618 } 1619 1620 static void sony_nc_rfkill_update(void) 1621 { 1622 enum sony_nc_rfkill i; 1623 int result; 1624 bool hwblock; 1625 1626 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1627 hwblock = !(result & 0x1); 1628 1629 for (i = 0; i < N_SONY_RFKILL; i++) { 1630 int argument = sony_rfkill_address[i]; 1631 1632 if (!sony_rfkill_devices[i]) 1633 continue; 1634 1635 if (hwblock) { 1636 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1637 /* we already know we're blocked */ 1638 } 1639 continue; 1640 } 1641 1642 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1643 rfkill_set_states(sony_rfkill_devices[i], 1644 !(result & 0x2), false); 1645 } 1646 } 1647 1648 static int sony_nc_rfkill_setup(struct acpi_device *device, 1649 unsigned int handle) 1650 { 1651 u64 offset; 1652 int i; 1653 unsigned char buffer[32] = { 0 }; 1654 1655 offset = sony_find_snc_handle(handle); 1656 sony_rfkill_handle = handle; 1657 1658 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1659 32); 1660 if (i < 0) 1661 return i; 1662 1663 /* The buffer is filled with magic numbers describing the devices 1664 * available, 0xff terminates the enumeration. 1665 * Known codes: 1666 * 0x00 WLAN 1667 * 0x10 BLUETOOTH 1668 * 0x20 WWAN GPRS-EDGE 1669 * 0x21 WWAN HSDPA 1670 * 0x22 WWAN EV-DO 1671 * 0x23 WWAN GPS 1672 * 0x25 Gobi WWAN no GPS 1673 * 0x26 Gobi WWAN + GPS 1674 * 0x28 Gobi WWAN no GPS 1675 * 0x29 Gobi WWAN + GPS 1676 * 0x30 WIMAX 1677 * 0x50 Gobi WWAN no GPS 1678 * 0x51 Gobi WWAN + GPS 1679 * 0x70 no SIM card slot 1680 * 0x71 SIM card slot 1681 */ 1682 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1683 1684 if (buffer[i] == 0xff) 1685 break; 1686 1687 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1688 1689 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1690 sony_nc_setup_rfkill(device, SONY_WIFI); 1691 1692 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1693 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1694 1695 if (((0xf0 & buffer[i]) == 0x20 || 1696 (0xf0 & buffer[i]) == 0x50) && 1697 !sony_rfkill_devices[SONY_WWAN]) 1698 sony_nc_setup_rfkill(device, SONY_WWAN); 1699 1700 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1701 sony_nc_setup_rfkill(device, SONY_WIMAX); 1702 } 1703 return 0; 1704 } 1705 1706 /* Keyboard backlight feature */ 1707 struct kbd_backlight { 1708 unsigned int handle; 1709 unsigned int base; 1710 unsigned int mode; 1711 unsigned int timeout; 1712 struct device_attribute mode_attr; 1713 struct device_attribute timeout_attr; 1714 }; 1715 1716 static struct kbd_backlight *kbdbl_ctl; 1717 1718 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1719 { 1720 int result; 1721 1722 if (value > 1) 1723 return -EINVAL; 1724 1725 if (sony_call_snc_handle(kbdbl_ctl->handle, 1726 (value << 0x10) | (kbdbl_ctl->base), &result)) 1727 return -EIO; 1728 1729 /* Try to turn the light on/off immediately */ 1730 sony_call_snc_handle(kbdbl_ctl->handle, 1731 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); 1732 1733 kbdbl_ctl->mode = value; 1734 1735 return 0; 1736 } 1737 1738 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1739 struct device_attribute *attr, 1740 const char *buffer, size_t count) 1741 { 1742 int ret = 0; 1743 unsigned long value; 1744 1745 if (count > 31) 1746 return -EINVAL; 1747 1748 if (kstrtoul(buffer, 10, &value)) 1749 return -EINVAL; 1750 1751 ret = __sony_nc_kbd_backlight_mode_set(value); 1752 if (ret < 0) 1753 return ret; 1754 1755 return count; 1756 } 1757 1758 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1759 struct device_attribute *attr, char *buffer) 1760 { 1761 ssize_t count = 0; 1762 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1763 return count; 1764 } 1765 1766 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1767 { 1768 int result; 1769 1770 if (value > 3) 1771 return -EINVAL; 1772 1773 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1774 (kbdbl_ctl->base + 0x200), &result)) 1775 return -EIO; 1776 1777 kbdbl_ctl->timeout = value; 1778 1779 return 0; 1780 } 1781 1782 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1783 struct device_attribute *attr, 1784 const char *buffer, size_t count) 1785 { 1786 int ret = 0; 1787 unsigned long value; 1788 1789 if (count > 31) 1790 return -EINVAL; 1791 1792 if (kstrtoul(buffer, 10, &value)) 1793 return -EINVAL; 1794 1795 ret = __sony_nc_kbd_backlight_timeout_set(value); 1796 if (ret < 0) 1797 return ret; 1798 1799 return count; 1800 } 1801 1802 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1803 struct device_attribute *attr, char *buffer) 1804 { 1805 ssize_t count = 0; 1806 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1807 return count; 1808 } 1809 1810 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1811 unsigned int handle) 1812 { 1813 int result; 1814 int ret = 0; 1815 1816 if (kbdbl_ctl) { 1817 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1818 handle, kbdbl_ctl->handle); 1819 return -EBUSY; 1820 } 1821 1822 /* verify the kbd backlight presence, these handles are not used for 1823 * keyboard backlight only 1824 */ 1825 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1826 &result); 1827 if (ret) 1828 return ret; 1829 1830 if ((handle == 0x0137 && !(result & 0x02)) || 1831 !(result & 0x01)) { 1832 dprintk("no backlight keyboard found\n"); 1833 return 0; 1834 } 1835 1836 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1837 if (!kbdbl_ctl) 1838 return -ENOMEM; 1839 1840 kbdbl_ctl->mode = kbd_backlight; 1841 kbdbl_ctl->timeout = kbd_backlight_timeout; 1842 kbdbl_ctl->handle = handle; 1843 if (handle == 0x0137) 1844 kbdbl_ctl->base = 0x0C00; 1845 else 1846 kbdbl_ctl->base = 0x4000; 1847 1848 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1849 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1850 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1851 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1852 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1853 1854 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1855 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1856 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1857 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1858 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1859 1860 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1861 if (ret) 1862 goto outkzalloc; 1863 1864 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1865 if (ret) 1866 goto outmode; 1867 1868 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1869 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1870 1871 return 0; 1872 1873 outmode: 1874 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1875 outkzalloc: 1876 kfree(kbdbl_ctl); 1877 kbdbl_ctl = NULL; 1878 return ret; 1879 } 1880 1881 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1882 unsigned int handle) 1883 { 1884 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1885 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1886 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1887 kfree(kbdbl_ctl); 1888 kbdbl_ctl = NULL; 1889 } 1890 } 1891 1892 struct battery_care_control { 1893 struct device_attribute attrs[2]; 1894 unsigned int handle; 1895 }; 1896 static struct battery_care_control *bcare_ctl; 1897 1898 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1899 struct device_attribute *attr, 1900 const char *buffer, size_t count) 1901 { 1902 unsigned int result, cmd; 1903 unsigned long value; 1904 1905 if (count > 31) 1906 return -EINVAL; 1907 1908 if (kstrtoul(buffer, 10, &value)) 1909 return -EINVAL; 1910 1911 /* limit values (2 bits): 1912 * 00 - none 1913 * 01 - 80% 1914 * 10 - 50% 1915 * 11 - 100% 1916 * 1917 * bit 0: 0 disable BCL, 1 enable BCL 1918 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1919 * bits 2,3: reserved 1920 * bits 4,5: store the limit into the EC 1921 * bits 6,7: store the limit into the battery 1922 */ 1923 cmd = 0; 1924 1925 if (value > 0) { 1926 if (value <= 50) 1927 cmd = 0x20; 1928 1929 else if (value <= 80) 1930 cmd = 0x10; 1931 1932 else if (value <= 100) 1933 cmd = 0x30; 1934 1935 else 1936 return -EINVAL; 1937 1938 /* 1939 * handle 0x0115 should allow storing on battery too; 1940 * handle 0x0136 same as 0x0115 + health status; 1941 * handle 0x013f, same as 0x0136 but no storing on the battery 1942 */ 1943 if (bcare_ctl->handle != 0x013f) 1944 cmd = cmd | (cmd << 2); 1945 1946 cmd = (cmd | 0x1) << 0x10; 1947 } 1948 1949 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 1950 return -EIO; 1951 1952 return count; 1953 } 1954 1955 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 1956 struct device_attribute *attr, char *buffer) 1957 { 1958 unsigned int result, status; 1959 1960 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 1961 return -EIO; 1962 1963 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 1964 switch (status) { 1965 case 1: 1966 status = 80; 1967 break; 1968 case 2: 1969 status = 50; 1970 break; 1971 case 3: 1972 status = 100; 1973 break; 1974 default: 1975 status = 0; 1976 break; 1977 } 1978 1979 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 1980 } 1981 1982 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 1983 struct device_attribute *attr, char *buffer) 1984 { 1985 ssize_t count = 0; 1986 unsigned int health; 1987 1988 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 1989 return -EIO; 1990 1991 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 1992 1993 return count; 1994 } 1995 1996 static int sony_nc_battery_care_setup(struct platform_device *pd, 1997 unsigned int handle) 1998 { 1999 int ret = 0; 2000 2001 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2002 if (!bcare_ctl) 2003 return -ENOMEM; 2004 2005 bcare_ctl->handle = handle; 2006 2007 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2008 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2009 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2010 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2011 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2012 2013 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2014 if (ret) 2015 goto outkzalloc; 2016 2017 /* 0x0115 is for models with no health reporting capability */ 2018 if (handle == 0x0115) 2019 return 0; 2020 2021 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2022 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2023 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2024 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2025 2026 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2027 if (ret) 2028 goto outlimiter; 2029 2030 return 0; 2031 2032 outlimiter: 2033 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2034 2035 outkzalloc: 2036 kfree(bcare_ctl); 2037 bcare_ctl = NULL; 2038 2039 return ret; 2040 } 2041 2042 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2043 { 2044 if (bcare_ctl) { 2045 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2046 if (bcare_ctl->handle != 0x0115) 2047 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2048 2049 kfree(bcare_ctl); 2050 bcare_ctl = NULL; 2051 } 2052 } 2053 2054 struct snc_thermal_ctrl { 2055 unsigned int mode; 2056 unsigned int profiles; 2057 struct device_attribute mode_attr; 2058 struct device_attribute profiles_attr; 2059 }; 2060 static struct snc_thermal_ctrl *th_handle; 2061 2062 #define THM_PROFILE_MAX 3 2063 static const char * const snc_thermal_profiles[] = { 2064 "balanced", 2065 "silent", 2066 "performance" 2067 }; 2068 2069 static int sony_nc_thermal_mode_set(unsigned short mode) 2070 { 2071 unsigned int result; 2072 2073 /* the thermal profile seems to be a two bit bitmask: 2074 * lsb -> silent 2075 * msb -> performance 2076 * no bit set is the normal operation and is always valid 2077 * Some vaio models only have "balanced" and "performance" 2078 */ 2079 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2080 return -EINVAL; 2081 2082 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2083 return -EIO; 2084 2085 th_handle->mode = mode; 2086 2087 return 0; 2088 } 2089 2090 static int sony_nc_thermal_mode_get(void) 2091 { 2092 unsigned int result; 2093 2094 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2095 return -EIO; 2096 2097 return result & 0xff; 2098 } 2099 2100 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2101 struct device_attribute *attr, char *buffer) 2102 { 2103 short cnt; 2104 size_t idx = 0; 2105 2106 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2107 if (!cnt || (th_handle->profiles & cnt)) 2108 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2109 snc_thermal_profiles[cnt]); 2110 } 2111 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2112 2113 return idx; 2114 } 2115 2116 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2117 struct device_attribute *attr, 2118 const char *buffer, size_t count) 2119 { 2120 unsigned short cmd; 2121 size_t len = count; 2122 2123 if (count == 0) 2124 return -EINVAL; 2125 2126 /* skip the newline if present */ 2127 if (buffer[len - 1] == '\n') 2128 len--; 2129 2130 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2131 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2132 break; 2133 2134 if (sony_nc_thermal_mode_set(cmd)) 2135 return -EIO; 2136 2137 return count; 2138 } 2139 2140 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2141 struct device_attribute *attr, char *buffer) 2142 { 2143 ssize_t count = 0; 2144 int mode = sony_nc_thermal_mode_get(); 2145 2146 if (mode < 0) 2147 return mode; 2148 2149 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2150 2151 return count; 2152 } 2153 2154 static int sony_nc_thermal_setup(struct platform_device *pd) 2155 { 2156 int ret = 0; 2157 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2158 if (!th_handle) 2159 return -ENOMEM; 2160 2161 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2162 if (ret) { 2163 pr_warn("couldn't to read the thermal profiles\n"); 2164 goto outkzalloc; 2165 } 2166 2167 ret = sony_nc_thermal_mode_get(); 2168 if (ret < 0) { 2169 pr_warn("couldn't to read the current thermal profile"); 2170 goto outkzalloc; 2171 } 2172 th_handle->mode = ret; 2173 2174 sysfs_attr_init(&th_handle->profiles_attr.attr); 2175 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2176 th_handle->profiles_attr.attr.mode = S_IRUGO; 2177 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2178 2179 sysfs_attr_init(&th_handle->mode_attr.attr); 2180 th_handle->mode_attr.attr.name = "thermal_control"; 2181 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2182 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2183 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2184 2185 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2186 if (ret) 2187 goto outkzalloc; 2188 2189 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2190 if (ret) 2191 goto outprofiles; 2192 2193 return 0; 2194 2195 outprofiles: 2196 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2197 outkzalloc: 2198 kfree(th_handle); 2199 th_handle = NULL; 2200 return ret; 2201 } 2202 2203 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2204 { 2205 if (th_handle) { 2206 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2207 device_remove_file(&pd->dev, &th_handle->mode_attr); 2208 kfree(th_handle); 2209 th_handle = NULL; 2210 } 2211 } 2212 2213 #ifdef CONFIG_PM_SLEEP 2214 static void sony_nc_thermal_resume(void) 2215 { 2216 unsigned int status = sony_nc_thermal_mode_get(); 2217 2218 if (status != th_handle->mode) 2219 sony_nc_thermal_mode_set(th_handle->mode); 2220 } 2221 #endif 2222 2223 /* resume on LID open */ 2224 struct snc_lid_resume_control { 2225 struct device_attribute attrs[3]; 2226 unsigned int status; 2227 }; 2228 static struct snc_lid_resume_control *lid_ctl; 2229 2230 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2231 struct device_attribute *attr, 2232 const char *buffer, size_t count) 2233 { 2234 unsigned int result, pos; 2235 unsigned long value; 2236 if (count > 31) 2237 return -EINVAL; 2238 2239 if (kstrtoul(buffer, 10, &value) || value > 1) 2240 return -EINVAL; 2241 2242 /* the value we have to write to SNC is a bitmask: 2243 * +--------------+ 2244 * | S3 | S4 | S5 | 2245 * +--------------+ 2246 * 2 1 0 2247 */ 2248 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2249 pos = 2; 2250 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2251 pos = 1; 2252 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2253 pos = 0; 2254 else 2255 return -EINVAL; 2256 2257 if (value) 2258 value = lid_ctl->status | (1 << pos); 2259 else 2260 value = lid_ctl->status & ~(1 << pos); 2261 2262 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) 2263 return -EIO; 2264 2265 lid_ctl->status = value; 2266 2267 return count; 2268 } 2269 2270 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2271 struct device_attribute *attr, char *buffer) 2272 { 2273 unsigned int pos; 2274 2275 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2276 pos = 2; 2277 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2278 pos = 1; 2279 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2280 pos = 0; 2281 else 2282 return -EINVAL; 2283 2284 return snprintf(buffer, PAGE_SIZE, "%d\n", 2285 (lid_ctl->status >> pos) & 0x01); 2286 } 2287 2288 static int sony_nc_lid_resume_setup(struct platform_device *pd) 2289 { 2290 unsigned int result; 2291 int i; 2292 2293 if (sony_call_snc_handle(0x0119, 0x0000, &result)) 2294 return -EIO; 2295 2296 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2297 if (!lid_ctl) 2298 return -ENOMEM; 2299 2300 lid_ctl->status = result & 0x7; 2301 2302 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2303 lid_ctl->attrs[0].attr.name = "lid_resume_S3"; 2304 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2305 lid_ctl->attrs[0].show = sony_nc_lid_resume_show; 2306 lid_ctl->attrs[0].store = sony_nc_lid_resume_store; 2307 2308 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2309 lid_ctl->attrs[1].attr.name = "lid_resume_S4"; 2310 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; 2311 lid_ctl->attrs[1].show = sony_nc_lid_resume_show; 2312 lid_ctl->attrs[1].store = sony_nc_lid_resume_store; 2313 2314 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2315 lid_ctl->attrs[2].attr.name = "lid_resume_S5"; 2316 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; 2317 lid_ctl->attrs[2].show = sony_nc_lid_resume_show; 2318 lid_ctl->attrs[2].store = sony_nc_lid_resume_store; 2319 2320 for (i = 0; i < 3; i++) { 2321 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2322 if (result) 2323 goto liderror; 2324 } 2325 2326 return 0; 2327 2328 liderror: 2329 for (i--; i >= 0; i--) 2330 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2331 2332 kfree(lid_ctl); 2333 lid_ctl = NULL; 2334 2335 return result; 2336 } 2337 2338 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2339 { 2340 int i; 2341 2342 if (lid_ctl) { 2343 for (i = 0; i < 3; i++) 2344 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2345 2346 kfree(lid_ctl); 2347 lid_ctl = NULL; 2348 } 2349 } 2350 2351 /* GFX Switch position */ 2352 enum gfx_switch { 2353 SPEED, 2354 STAMINA, 2355 AUTO 2356 }; 2357 struct snc_gfx_switch_control { 2358 struct device_attribute attr; 2359 unsigned int handle; 2360 }; 2361 static struct snc_gfx_switch_control *gfxs_ctl; 2362 2363 /* returns 0 for speed, 1 for stamina */ 2364 static int __sony_nc_gfx_switch_status_get(void) 2365 { 2366 unsigned int result; 2367 2368 if (sony_call_snc_handle(gfxs_ctl->handle, 2369 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2370 &result)) 2371 return -EIO; 2372 2373 switch (gfxs_ctl->handle) { 2374 case 0x0146: 2375 /* 1: discrete GFX (speed) 2376 * 0: integrated GFX (stamina) 2377 */ 2378 return result & 0x1 ? SPEED : STAMINA; 2379 break; 2380 case 0x015B: 2381 /* 0: discrete GFX (speed) 2382 * 1: integrated GFX (stamina) 2383 */ 2384 return result & 0x1 ? STAMINA : SPEED; 2385 break; 2386 case 0x0128: 2387 /* it's a more elaborated bitmask, for now: 2388 * 2: integrated GFX (stamina) 2389 * 0: discrete GFX (speed) 2390 */ 2391 dprintk("GFX Status: 0x%x\n", result); 2392 return result & 0x80 ? AUTO : 2393 result & 0x02 ? STAMINA : SPEED; 2394 break; 2395 } 2396 return -EINVAL; 2397 } 2398 2399 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2400 struct device_attribute *attr, 2401 char *buffer) 2402 { 2403 int pos = __sony_nc_gfx_switch_status_get(); 2404 2405 if (pos < 0) 2406 return pos; 2407 2408 return snprintf(buffer, PAGE_SIZE, "%s\n", 2409 pos == SPEED ? "speed" : 2410 pos == STAMINA ? "stamina" : 2411 pos == AUTO ? "auto" : "unknown"); 2412 } 2413 2414 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2415 unsigned int handle) 2416 { 2417 unsigned int result; 2418 2419 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2420 if (!gfxs_ctl) 2421 return -ENOMEM; 2422 2423 gfxs_ctl->handle = handle; 2424 2425 sysfs_attr_init(&gfxs_ctl->attr.attr); 2426 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2427 gfxs_ctl->attr.attr.mode = S_IRUGO; 2428 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2429 2430 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2431 if (result) 2432 goto gfxerror; 2433 2434 return 0; 2435 2436 gfxerror: 2437 kfree(gfxs_ctl); 2438 gfxs_ctl = NULL; 2439 2440 return result; 2441 } 2442 2443 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2444 { 2445 if (gfxs_ctl) { 2446 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2447 2448 kfree(gfxs_ctl); 2449 gfxs_ctl = NULL; 2450 } 2451 } 2452 2453 /* High speed charging function */ 2454 static struct device_attribute *hsc_handle; 2455 2456 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2457 struct device_attribute *attr, 2458 const char *buffer, size_t count) 2459 { 2460 unsigned int result; 2461 unsigned long value; 2462 2463 if (count > 31) 2464 return -EINVAL; 2465 2466 if (kstrtoul(buffer, 10, &value) || value > 1) 2467 return -EINVAL; 2468 2469 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2470 return -EIO; 2471 2472 return count; 2473 } 2474 2475 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2476 struct device_attribute *attr, char *buffer) 2477 { 2478 unsigned int result; 2479 2480 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2481 return -EIO; 2482 2483 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2484 } 2485 2486 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2487 { 2488 unsigned int result; 2489 2490 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2491 /* some models advertise the handle but have no implementation 2492 * for it 2493 */ 2494 pr_info("No High Speed Charging capability found\n"); 2495 return 0; 2496 } 2497 2498 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2499 if (!hsc_handle) 2500 return -ENOMEM; 2501 2502 sysfs_attr_init(&hsc_handle->attr); 2503 hsc_handle->attr.name = "battery_highspeed_charging"; 2504 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2505 hsc_handle->show = sony_nc_highspeed_charging_show; 2506 hsc_handle->store = sony_nc_highspeed_charging_store; 2507 2508 result = device_create_file(&pd->dev, hsc_handle); 2509 if (result) { 2510 kfree(hsc_handle); 2511 hsc_handle = NULL; 2512 return result; 2513 } 2514 2515 return 0; 2516 } 2517 2518 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2519 { 2520 if (hsc_handle) { 2521 device_remove_file(&pd->dev, hsc_handle); 2522 kfree(hsc_handle); 2523 hsc_handle = NULL; 2524 } 2525 } 2526 2527 /* Touchpad enable/disable */ 2528 struct touchpad_control { 2529 struct device_attribute attr; 2530 int handle; 2531 }; 2532 static struct touchpad_control *tp_ctl; 2533 2534 static ssize_t sony_nc_touchpad_store(struct device *dev, 2535 struct device_attribute *attr, const char *buffer, size_t count) 2536 { 2537 unsigned int result; 2538 unsigned long value; 2539 2540 if (count > 31) 2541 return -EINVAL; 2542 2543 if (kstrtoul(buffer, 10, &value) || value > 1) 2544 return -EINVAL; 2545 2546 /* sysfs: 0 disabled, 1 enabled 2547 * EC: 0 enabled, 1 disabled 2548 */ 2549 if (sony_call_snc_handle(tp_ctl->handle, 2550 (!value << 0x10) | 0x100, &result)) 2551 return -EIO; 2552 2553 return count; 2554 } 2555 2556 static ssize_t sony_nc_touchpad_show(struct device *dev, 2557 struct device_attribute *attr, char *buffer) 2558 { 2559 unsigned int result; 2560 2561 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2562 return -EINVAL; 2563 2564 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2565 } 2566 2567 static int sony_nc_touchpad_setup(struct platform_device *pd, 2568 unsigned int handle) 2569 { 2570 int ret = 0; 2571 2572 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2573 if (!tp_ctl) 2574 return -ENOMEM; 2575 2576 tp_ctl->handle = handle; 2577 2578 sysfs_attr_init(&tp_ctl->attr.attr); 2579 tp_ctl->attr.attr.name = "touchpad"; 2580 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 2581 tp_ctl->attr.show = sony_nc_touchpad_show; 2582 tp_ctl->attr.store = sony_nc_touchpad_store; 2583 2584 ret = device_create_file(&pd->dev, &tp_ctl->attr); 2585 if (ret) { 2586 kfree(tp_ctl); 2587 tp_ctl = NULL; 2588 } 2589 2590 return ret; 2591 } 2592 2593 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 2594 { 2595 if (tp_ctl) { 2596 device_remove_file(&pd->dev, &tp_ctl->attr); 2597 kfree(tp_ctl); 2598 tp_ctl = NULL; 2599 } 2600 } 2601 2602 static void sony_nc_backlight_ng_read_limits(int handle, 2603 struct sony_backlight_props *props) 2604 { 2605 u64 offset; 2606 int i; 2607 int lvl_table_len = 0; 2608 u8 min = 0xff, max = 0x00; 2609 unsigned char buffer[32] = { 0 }; 2610 2611 props->handle = handle; 2612 props->offset = 0; 2613 props->maxlvl = 0xff; 2614 2615 offset = sony_find_snc_handle(handle); 2616 2617 /* try to read the boundaries from ACPI tables, if we fail the above 2618 * defaults should be reasonable 2619 */ 2620 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 2621 32); 2622 if (i < 0) 2623 return; 2624 2625 switch (handle) { 2626 case 0x012f: 2627 case 0x0137: 2628 lvl_table_len = 9; 2629 break; 2630 case 0x143: 2631 case 0x14b: 2632 case 0x14c: 2633 lvl_table_len = 16; 2634 break; 2635 } 2636 2637 /* the buffer lists brightness levels available, brightness levels are 2638 * from position 0 to 8 in the array, other values are used by ALS 2639 * control. 2640 */ 2641 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 2642 2643 dprintk("Brightness level: %d\n", buffer[i]); 2644 2645 if (!buffer[i]) 2646 break; 2647 2648 if (buffer[i] > max) 2649 max = buffer[i]; 2650 if (buffer[i] < min) 2651 min = buffer[i]; 2652 } 2653 props->offset = min; 2654 props->maxlvl = max; 2655 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 2656 props->maxlvl); 2657 } 2658 2659 static void sony_nc_backlight_setup(void) 2660 { 2661 int max_brightness = 0; 2662 const struct backlight_ops *ops = NULL; 2663 struct backlight_properties props; 2664 2665 if (sony_find_snc_handle(0x12f) >= 0) { 2666 ops = &sony_backlight_ng_ops; 2667 sony_bl_props.cmd_base = 0x0100; 2668 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 2669 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2670 2671 } else if (sony_find_snc_handle(0x137) >= 0) { 2672 ops = &sony_backlight_ng_ops; 2673 sony_bl_props.cmd_base = 0x0100; 2674 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 2675 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2676 2677 } else if (sony_find_snc_handle(0x143) >= 0) { 2678 ops = &sony_backlight_ng_ops; 2679 sony_bl_props.cmd_base = 0x3000; 2680 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 2681 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2682 2683 } else if (sony_find_snc_handle(0x14b) >= 0) { 2684 ops = &sony_backlight_ng_ops; 2685 sony_bl_props.cmd_base = 0x3000; 2686 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 2687 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2688 2689 } else if (sony_find_snc_handle(0x14c) >= 0) { 2690 ops = &sony_backlight_ng_ops; 2691 sony_bl_props.cmd_base = 0x3000; 2692 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 2693 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2694 2695 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 2696 ops = &sony_backlight_ops; 2697 max_brightness = SONY_MAX_BRIGHTNESS - 1; 2698 2699 } else 2700 return; 2701 2702 memset(&props, 0, sizeof(struct backlight_properties)); 2703 props.type = BACKLIGHT_PLATFORM; 2704 props.max_brightness = max_brightness; 2705 sony_bl_props.dev = backlight_device_register("sony", NULL, 2706 &sony_bl_props, 2707 ops, &props); 2708 2709 if (IS_ERR(sony_bl_props.dev)) { 2710 pr_warn("unable to register backlight device\n"); 2711 sony_bl_props.dev = NULL; 2712 } else 2713 sony_bl_props.dev->props.brightness = 2714 ops->get_brightness(sony_bl_props.dev); 2715 } 2716 2717 static void sony_nc_backlight_cleanup(void) 2718 { 2719 if (sony_bl_props.dev) 2720 backlight_device_unregister(sony_bl_props.dev); 2721 } 2722 2723 static int sony_nc_add(struct acpi_device *device) 2724 { 2725 acpi_status status; 2726 int result = 0; 2727 struct sony_nc_value *item; 2728 2729 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2730 2731 sony_nc_acpi_device = device; 2732 strcpy(acpi_device_class(device), "sony/hotkey"); 2733 2734 sony_nc_acpi_handle = device->handle; 2735 2736 /* read device status */ 2737 result = acpi_bus_get_status(device); 2738 /* bail IFF the above call was successful and the device is not present */ 2739 if (!result && !device->status.present) { 2740 dprintk("Device not present\n"); 2741 result = -ENODEV; 2742 goto outwalk; 2743 } 2744 2745 result = sony_pf_add(); 2746 if (result) 2747 goto outpresent; 2748 2749 if (debug) { 2750 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 2751 sony_nc_acpi_handle, 1, sony_walk_callback, 2752 NULL, NULL, NULL); 2753 if (ACPI_FAILURE(status)) { 2754 pr_warn("unable to walk acpi resources\n"); 2755 result = -ENODEV; 2756 goto outpresent; 2757 } 2758 } 2759 2760 result = sony_laptop_setup_input(device); 2761 if (result) { 2762 pr_err("Unable to create input devices\n"); 2763 goto outplatform; 2764 } 2765 2766 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 2767 int arg = 1; 2768 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 2769 dprintk("ECON Method failed\n"); 2770 } 2771 2772 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 2773 dprintk("Doing SNC setup\n"); 2774 /* retrieve the available handles */ 2775 result = sony_nc_handles_setup(sony_pf_device); 2776 if (!result) 2777 sony_nc_function_setup(device, sony_pf_device); 2778 } 2779 2780 /* setup input devices and helper fifo */ 2781 if (acpi_video_backlight_support()) { 2782 pr_info("brightness ignored, must be controlled by ACPI video driver\n"); 2783 } else { 2784 sony_nc_backlight_setup(); 2785 } 2786 2787 /* create sony_pf sysfs attributes related to the SNC device */ 2788 for (item = sony_nc_values; item->name; ++item) { 2789 2790 if (!debug && item->debug) 2791 continue; 2792 2793 /* find the available acpiget as described in the DSDT */ 2794 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 2795 if (acpi_has_method(sony_nc_acpi_handle, 2796 *item->acpiget)) { 2797 dprintk("Found %s getter: %s\n", 2798 item->name, *item->acpiget); 2799 item->devattr.attr.mode |= S_IRUGO; 2800 break; 2801 } 2802 } 2803 2804 /* find the available acpiset as described in the DSDT */ 2805 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 2806 if (acpi_has_method(sony_nc_acpi_handle, 2807 *item->acpiset)) { 2808 dprintk("Found %s setter: %s\n", 2809 item->name, *item->acpiset); 2810 item->devattr.attr.mode |= S_IWUSR; 2811 break; 2812 } 2813 } 2814 2815 if (item->devattr.attr.mode != 0) { 2816 result = 2817 device_create_file(&sony_pf_device->dev, 2818 &item->devattr); 2819 if (result) 2820 goto out_sysfs; 2821 } 2822 } 2823 2824 return 0; 2825 2826 out_sysfs: 2827 for (item = sony_nc_values; item->name; ++item) { 2828 device_remove_file(&sony_pf_device->dev, &item->devattr); 2829 } 2830 sony_nc_backlight_cleanup(); 2831 sony_nc_function_cleanup(sony_pf_device); 2832 sony_nc_handles_cleanup(sony_pf_device); 2833 2834 outplatform: 2835 sony_laptop_remove_input(); 2836 2837 outpresent: 2838 sony_pf_remove(); 2839 2840 outwalk: 2841 sony_nc_rfkill_cleanup(); 2842 return result; 2843 } 2844 2845 static int sony_nc_remove(struct acpi_device *device) 2846 { 2847 struct sony_nc_value *item; 2848 2849 sony_nc_backlight_cleanup(); 2850 2851 sony_nc_acpi_device = NULL; 2852 2853 for (item = sony_nc_values; item->name; ++item) { 2854 device_remove_file(&sony_pf_device->dev, &item->devattr); 2855 } 2856 2857 sony_nc_function_cleanup(sony_pf_device); 2858 sony_nc_handles_cleanup(sony_pf_device); 2859 sony_pf_remove(); 2860 sony_laptop_remove_input(); 2861 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 2862 2863 return 0; 2864 } 2865 2866 static const struct acpi_device_id sony_device_ids[] = { 2867 {SONY_NC_HID, 0}, 2868 {SONY_PIC_HID, 0}, 2869 {"", 0}, 2870 }; 2871 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 2872 2873 static const struct acpi_device_id sony_nc_device_ids[] = { 2874 {SONY_NC_HID, 0}, 2875 {"", 0}, 2876 }; 2877 2878 static struct acpi_driver sony_nc_driver = { 2879 .name = SONY_NC_DRIVER_NAME, 2880 .class = SONY_NC_CLASS, 2881 .ids = sony_nc_device_ids, 2882 .owner = THIS_MODULE, 2883 .ops = { 2884 .add = sony_nc_add, 2885 .remove = sony_nc_remove, 2886 .notify = sony_nc_notify, 2887 }, 2888 .drv.pm = &sony_nc_pm, 2889 }; 2890 2891 /*********** SPIC (SNY6001) Device ***********/ 2892 2893 #define SONYPI_DEVICE_TYPE1 0x00000001 2894 #define SONYPI_DEVICE_TYPE2 0x00000002 2895 #define SONYPI_DEVICE_TYPE3 0x00000004 2896 2897 #define SONYPI_TYPE1_OFFSET 0x04 2898 #define SONYPI_TYPE2_OFFSET 0x12 2899 #define SONYPI_TYPE3_OFFSET 0x12 2900 2901 struct sony_pic_ioport { 2902 struct acpi_resource_io io1; 2903 struct acpi_resource_io io2; 2904 struct list_head list; 2905 }; 2906 2907 struct sony_pic_irq { 2908 struct acpi_resource_irq irq; 2909 struct list_head list; 2910 }; 2911 2912 struct sonypi_eventtypes { 2913 u8 data; 2914 unsigned long mask; 2915 struct sonypi_event *events; 2916 }; 2917 2918 struct sony_pic_dev { 2919 struct acpi_device *acpi_dev; 2920 struct sony_pic_irq *cur_irq; 2921 struct sony_pic_ioport *cur_ioport; 2922 struct list_head interrupts; 2923 struct list_head ioports; 2924 struct mutex lock; 2925 struct sonypi_eventtypes *event_types; 2926 int (*handle_irq)(const u8, const u8); 2927 int model; 2928 u16 evport_offset; 2929 u8 camera_power; 2930 u8 bluetooth_power; 2931 u8 wwan_power; 2932 }; 2933 2934 static struct sony_pic_dev spic_dev = { 2935 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 2936 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 2937 }; 2938 2939 static int spic_drv_registered; 2940 2941 /* Event masks */ 2942 #define SONYPI_JOGGER_MASK 0x00000001 2943 #define SONYPI_CAPTURE_MASK 0x00000002 2944 #define SONYPI_FNKEY_MASK 0x00000004 2945 #define SONYPI_BLUETOOTH_MASK 0x00000008 2946 #define SONYPI_PKEY_MASK 0x00000010 2947 #define SONYPI_BACK_MASK 0x00000020 2948 #define SONYPI_HELP_MASK 0x00000040 2949 #define SONYPI_LID_MASK 0x00000080 2950 #define SONYPI_ZOOM_MASK 0x00000100 2951 #define SONYPI_THUMBPHRASE_MASK 0x00000200 2952 #define SONYPI_MEYE_MASK 0x00000400 2953 #define SONYPI_MEMORYSTICK_MASK 0x00000800 2954 #define SONYPI_BATTERY_MASK 0x00001000 2955 #define SONYPI_WIRELESS_MASK 0x00002000 2956 2957 struct sonypi_event { 2958 u8 data; 2959 u8 event; 2960 }; 2961 2962 /* The set of possible button release events */ 2963 static struct sonypi_event sonypi_releaseev[] = { 2964 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 2965 { 0, 0 } 2966 }; 2967 2968 /* The set of possible jogger events */ 2969 static struct sonypi_event sonypi_joggerev[] = { 2970 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 2971 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 2972 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 2973 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 2974 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 2975 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 2976 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 2977 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 2978 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 2979 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 2980 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 2981 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 2982 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 2983 { 0, 0 } 2984 }; 2985 2986 /* The set of possible capture button events */ 2987 static struct sonypi_event sonypi_captureev[] = { 2988 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 2989 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 2990 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 2991 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 2992 { 0, 0 } 2993 }; 2994 2995 /* The set of possible fnkeys events */ 2996 static struct sonypi_event sonypi_fnkeyev[] = { 2997 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 2998 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 2999 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3000 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3001 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3002 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3003 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3004 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3005 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3006 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3007 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3008 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3009 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3010 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3011 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3012 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3013 { 0x31, SONYPI_EVENT_FNKEY_D }, 3014 { 0x32, SONYPI_EVENT_FNKEY_E }, 3015 { 0x33, SONYPI_EVENT_FNKEY_F }, 3016 { 0x34, SONYPI_EVENT_FNKEY_S }, 3017 { 0x35, SONYPI_EVENT_FNKEY_B }, 3018 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3019 { 0, 0 } 3020 }; 3021 3022 /* The set of possible program key events */ 3023 static struct sonypi_event sonypi_pkeyev[] = { 3024 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3025 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3026 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3027 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3028 { 0, 0 } 3029 }; 3030 3031 /* The set of possible bluetooth events */ 3032 static struct sonypi_event sonypi_blueev[] = { 3033 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3034 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3035 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3036 { 0, 0 } 3037 }; 3038 3039 /* The set of possible wireless events */ 3040 static struct sonypi_event sonypi_wlessev[] = { 3041 { 0x59, SONYPI_EVENT_IGNORE }, 3042 { 0x5a, SONYPI_EVENT_IGNORE }, 3043 { 0, 0 } 3044 }; 3045 3046 /* The set of possible back button events */ 3047 static struct sonypi_event sonypi_backev[] = { 3048 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3049 { 0, 0 } 3050 }; 3051 3052 /* The set of possible help button events */ 3053 static struct sonypi_event sonypi_helpev[] = { 3054 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3055 { 0, 0 } 3056 }; 3057 3058 3059 /* The set of possible lid events */ 3060 static struct sonypi_event sonypi_lidev[] = { 3061 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3062 { 0x50, SONYPI_EVENT_LID_OPENED }, 3063 { 0, 0 } 3064 }; 3065 3066 /* The set of possible zoom events */ 3067 static struct sonypi_event sonypi_zoomev[] = { 3068 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3069 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3070 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3071 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3072 { 0, 0 } 3073 }; 3074 3075 /* The set of possible thumbphrase events */ 3076 static struct sonypi_event sonypi_thumbphraseev[] = { 3077 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3078 { 0, 0 } 3079 }; 3080 3081 /* The set of possible motioneye camera events */ 3082 static struct sonypi_event sonypi_meyeev[] = { 3083 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3084 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3085 { 0, 0 } 3086 }; 3087 3088 /* The set of possible memorystick events */ 3089 static struct sonypi_event sonypi_memorystickev[] = { 3090 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3091 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3092 { 0, 0 } 3093 }; 3094 3095 /* The set of possible battery events */ 3096 static struct sonypi_event sonypi_batteryev[] = { 3097 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3098 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3099 { 0, 0 } 3100 }; 3101 3102 /* The set of possible volume events */ 3103 static struct sonypi_event sonypi_volumeev[] = { 3104 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3105 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3106 { 0, 0 } 3107 }; 3108 3109 /* The set of possible brightness events */ 3110 static struct sonypi_event sonypi_brightnessev[] = { 3111 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3112 { 0, 0 } 3113 }; 3114 3115 static struct sonypi_eventtypes type1_events[] = { 3116 { 0, 0xffffffff, sonypi_releaseev }, 3117 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3118 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3119 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3120 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3121 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3122 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3123 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3124 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3125 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3126 { 0 }, 3127 }; 3128 static struct sonypi_eventtypes type2_events[] = { 3129 { 0, 0xffffffff, sonypi_releaseev }, 3130 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3131 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3132 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3133 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3134 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3135 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3136 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3137 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3138 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3139 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3140 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3141 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3142 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3143 { 0 }, 3144 }; 3145 static struct sonypi_eventtypes type3_events[] = { 3146 { 0, 0xffffffff, sonypi_releaseev }, 3147 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3148 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3149 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3150 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3151 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3152 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3153 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3154 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3155 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3156 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3157 { 0 }, 3158 }; 3159 3160 /* low level spic calls */ 3161 #define ITERATIONS_LONG 10000 3162 #define ITERATIONS_SHORT 10 3163 #define wait_on_command(command, iterations) { \ 3164 unsigned int n = iterations; \ 3165 while (--n && (command)) \ 3166 udelay(1); \ 3167 if (!n) \ 3168 dprintk("command failed at %s : %s (line %d)\n", \ 3169 __FILE__, __func__, __LINE__); \ 3170 } 3171 3172 static u8 sony_pic_call1(u8 dev) 3173 { 3174 u8 v1, v2; 3175 3176 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3177 ITERATIONS_LONG); 3178 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3179 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3180 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3181 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3182 return v2; 3183 } 3184 3185 static u8 sony_pic_call2(u8 dev, u8 fn) 3186 { 3187 u8 v1; 3188 3189 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3190 ITERATIONS_LONG); 3191 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3192 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3193 ITERATIONS_LONG); 3194 outb(fn, spic_dev.cur_ioport->io1.minimum); 3195 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3196 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3197 return v1; 3198 } 3199 3200 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3201 { 3202 u8 v1; 3203 3204 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3205 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3206 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3207 outb(fn, spic_dev.cur_ioport->io1.minimum); 3208 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3209 outb(v, spic_dev.cur_ioport->io1.minimum); 3210 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3211 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3212 dev, fn, v, v1); 3213 return v1; 3214 } 3215 3216 /* 3217 * minidrivers for SPIC models 3218 */ 3219 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3220 { 3221 /* 3222 * 0x31 could mean we have to take some extra action and wait for 3223 * the next irq for some Type3 models, it will generate a new 3224 * irq and we can read new data from the device: 3225 * - 0x5c and 0x5f requires 0xA0 3226 * - 0x61 requires 0xB3 3227 */ 3228 if (data_mask == 0x31) { 3229 if (ev == 0x5c || ev == 0x5f) 3230 sony_pic_call1(0xA0); 3231 else if (ev == 0x61) 3232 sony_pic_call1(0xB3); 3233 return 0; 3234 } 3235 return 1; 3236 } 3237 3238 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3239 { 3240 struct pci_dev *pcidev; 3241 3242 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3243 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3244 if (pcidev) { 3245 dev->model = SONYPI_DEVICE_TYPE1; 3246 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3247 dev->event_types = type1_events; 3248 goto out; 3249 } 3250 3251 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3252 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3253 if (pcidev) { 3254 dev->model = SONYPI_DEVICE_TYPE2; 3255 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3256 dev->event_types = type2_events; 3257 goto out; 3258 } 3259 3260 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3261 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3262 if (pcidev) { 3263 dev->model = SONYPI_DEVICE_TYPE3; 3264 dev->handle_irq = type3_handle_irq; 3265 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3266 dev->event_types = type3_events; 3267 goto out; 3268 } 3269 3270 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3271 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3272 if (pcidev) { 3273 dev->model = SONYPI_DEVICE_TYPE3; 3274 dev->handle_irq = type3_handle_irq; 3275 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3276 dev->event_types = type3_events; 3277 goto out; 3278 } 3279 3280 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3281 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3282 if (pcidev) { 3283 dev->model = SONYPI_DEVICE_TYPE3; 3284 dev->handle_irq = type3_handle_irq; 3285 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3286 dev->event_types = type3_events; 3287 goto out; 3288 } 3289 3290 /* default */ 3291 dev->model = SONYPI_DEVICE_TYPE2; 3292 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3293 dev->event_types = type2_events; 3294 3295 out: 3296 if (pcidev) 3297 pci_dev_put(pcidev); 3298 3299 pr_info("detected Type%d model\n", 3300 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3301 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3302 } 3303 3304 /* camera tests and poweron/poweroff */ 3305 #define SONYPI_CAMERA_PICTURE 5 3306 #define SONYPI_CAMERA_CONTROL 0x10 3307 3308 #define SONYPI_CAMERA_BRIGHTNESS 0 3309 #define SONYPI_CAMERA_CONTRAST 1 3310 #define SONYPI_CAMERA_HUE 2 3311 #define SONYPI_CAMERA_COLOR 3 3312 #define SONYPI_CAMERA_SHARPNESS 4 3313 3314 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3315 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3316 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3317 #define SONYPI_CAMERA_MUTE_MASK 0x40 3318 3319 /* the rest don't need a loop until not 0xff */ 3320 #define SONYPI_CAMERA_AGC 6 3321 #define SONYPI_CAMERA_AGC_MASK 0x30 3322 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3323 3324 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3325 #define SONYPI_CAMERA_CONTROL 0x10 3326 3327 #define SONYPI_CAMERA_STATUS 7 3328 #define SONYPI_CAMERA_STATUS_READY 0x2 3329 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3330 3331 #define SONYPI_DIRECTION_BACKWARDS 0x4 3332 3333 #define SONYPI_CAMERA_REVISION 8 3334 #define SONYPI_CAMERA_ROMVERSION 9 3335 3336 static int __sony_pic_camera_ready(void) 3337 { 3338 u8 v; 3339 3340 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3341 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3342 } 3343 3344 static int __sony_pic_camera_off(void) 3345 { 3346 if (!camera) { 3347 pr_warn("camera control not enabled\n"); 3348 return -ENODEV; 3349 } 3350 3351 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3352 SONYPI_CAMERA_MUTE_MASK), 3353 ITERATIONS_SHORT); 3354 3355 if (spic_dev.camera_power) { 3356 sony_pic_call2(0x91, 0); 3357 spic_dev.camera_power = 0; 3358 } 3359 return 0; 3360 } 3361 3362 static int __sony_pic_camera_on(void) 3363 { 3364 int i, j, x; 3365 3366 if (!camera) { 3367 pr_warn("camera control not enabled\n"); 3368 return -ENODEV; 3369 } 3370 3371 if (spic_dev.camera_power) 3372 return 0; 3373 3374 for (j = 5; j > 0; j--) { 3375 3376 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3377 msleep(10); 3378 sony_pic_call1(0x93); 3379 3380 for (i = 400; i > 0; i--) { 3381 if (__sony_pic_camera_ready()) 3382 break; 3383 msleep(10); 3384 } 3385 if (i) 3386 break; 3387 } 3388 3389 if (j == 0) { 3390 pr_warn("failed to power on camera\n"); 3391 return -ENODEV; 3392 } 3393 3394 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3395 0x5a), 3396 ITERATIONS_SHORT); 3397 3398 spic_dev.camera_power = 1; 3399 return 0; 3400 } 3401 3402 /* External camera command (exported to the motion eye v4l driver) */ 3403 int sony_pic_camera_command(int command, u8 value) 3404 { 3405 if (!camera) 3406 return -EIO; 3407 3408 mutex_lock(&spic_dev.lock); 3409 3410 switch (command) { 3411 case SONY_PIC_COMMAND_SETCAMERA: 3412 if (value) 3413 __sony_pic_camera_on(); 3414 else 3415 __sony_pic_camera_off(); 3416 break; 3417 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3418 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3419 ITERATIONS_SHORT); 3420 break; 3421 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3422 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3423 ITERATIONS_SHORT); 3424 break; 3425 case SONY_PIC_COMMAND_SETCAMERAHUE: 3426 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3427 ITERATIONS_SHORT); 3428 break; 3429 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3430 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3431 ITERATIONS_SHORT); 3432 break; 3433 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3434 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3435 ITERATIONS_SHORT); 3436 break; 3437 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3438 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3439 ITERATIONS_SHORT); 3440 break; 3441 case SONY_PIC_COMMAND_SETCAMERAAGC: 3442 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3443 ITERATIONS_SHORT); 3444 break; 3445 default: 3446 pr_err("sony_pic_camera_command invalid: %d\n", command); 3447 break; 3448 } 3449 mutex_unlock(&spic_dev.lock); 3450 return 0; 3451 } 3452 EXPORT_SYMBOL(sony_pic_camera_command); 3453 3454 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3455 static void __sony_pic_set_wwanpower(u8 state) 3456 { 3457 state = !!state; 3458 if (spic_dev.wwan_power == state) 3459 return; 3460 sony_pic_call2(0xB0, state); 3461 sony_pic_call1(0x82); 3462 spic_dev.wwan_power = state; 3463 } 3464 3465 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3466 struct device_attribute *attr, 3467 const char *buffer, size_t count) 3468 { 3469 unsigned long value; 3470 if (count > 31) 3471 return -EINVAL; 3472 3473 if (kstrtoul(buffer, 10, &value)) 3474 return -EINVAL; 3475 3476 mutex_lock(&spic_dev.lock); 3477 __sony_pic_set_wwanpower(value); 3478 mutex_unlock(&spic_dev.lock); 3479 3480 return count; 3481 } 3482 3483 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3484 struct device_attribute *attr, char *buffer) 3485 { 3486 ssize_t count; 3487 mutex_lock(&spic_dev.lock); 3488 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3489 mutex_unlock(&spic_dev.lock); 3490 return count; 3491 } 3492 3493 /* bluetooth subsystem power state */ 3494 static void __sony_pic_set_bluetoothpower(u8 state) 3495 { 3496 state = !!state; 3497 if (spic_dev.bluetooth_power == state) 3498 return; 3499 sony_pic_call2(0x96, state); 3500 sony_pic_call1(0x82); 3501 spic_dev.bluetooth_power = state; 3502 } 3503 3504 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3505 struct device_attribute *attr, 3506 const char *buffer, size_t count) 3507 { 3508 unsigned long value; 3509 if (count > 31) 3510 return -EINVAL; 3511 3512 if (kstrtoul(buffer, 10, &value)) 3513 return -EINVAL; 3514 3515 mutex_lock(&spic_dev.lock); 3516 __sony_pic_set_bluetoothpower(value); 3517 mutex_unlock(&spic_dev.lock); 3518 3519 return count; 3520 } 3521 3522 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3523 struct device_attribute *attr, char *buffer) 3524 { 3525 ssize_t count = 0; 3526 mutex_lock(&spic_dev.lock); 3527 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3528 mutex_unlock(&spic_dev.lock); 3529 return count; 3530 } 3531 3532 /* fan speed */ 3533 /* FAN0 information (reverse engineered from ACPI tables) */ 3534 #define SONY_PIC_FAN0_STATUS 0x93 3535 static int sony_pic_set_fanspeed(unsigned long value) 3536 { 3537 return ec_write(SONY_PIC_FAN0_STATUS, value); 3538 } 3539 3540 static int sony_pic_get_fanspeed(u8 *value) 3541 { 3542 return ec_read(SONY_PIC_FAN0_STATUS, value); 3543 } 3544 3545 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3546 struct device_attribute *attr, 3547 const char *buffer, size_t count) 3548 { 3549 unsigned long value; 3550 if (count > 31) 3551 return -EINVAL; 3552 3553 if (kstrtoul(buffer, 10, &value)) 3554 return -EINVAL; 3555 3556 if (sony_pic_set_fanspeed(value)) 3557 return -EIO; 3558 3559 return count; 3560 } 3561 3562 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3563 struct device_attribute *attr, char *buffer) 3564 { 3565 u8 value = 0; 3566 if (sony_pic_get_fanspeed(&value)) 3567 return -EIO; 3568 3569 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 3570 } 3571 3572 #define SPIC_ATTR(_name, _mode) \ 3573 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3574 _mode, sony_pic_## _name ##_show, \ 3575 sony_pic_## _name ##_store) 3576 3577 static SPIC_ATTR(bluetoothpower, 0644); 3578 static SPIC_ATTR(wwanpower, 0644); 3579 static SPIC_ATTR(fanspeed, 0644); 3580 3581 static struct attribute *spic_attributes[] = { 3582 &spic_attr_bluetoothpower.attr, 3583 &spic_attr_wwanpower.attr, 3584 &spic_attr_fanspeed.attr, 3585 NULL 3586 }; 3587 3588 static struct attribute_group spic_attribute_group = { 3589 .attrs = spic_attributes 3590 }; 3591 3592 /******** SONYPI compatibility **********/ 3593 #ifdef CONFIG_SONYPI_COMPAT 3594 3595 /* battery / brightness / temperature addresses */ 3596 #define SONYPI_BAT_FLAGS 0x81 3597 #define SONYPI_LCD_LIGHT 0x96 3598 #define SONYPI_BAT1_PCTRM 0xa0 3599 #define SONYPI_BAT1_LEFT 0xa2 3600 #define SONYPI_BAT1_MAXRT 0xa4 3601 #define SONYPI_BAT2_PCTRM 0xa8 3602 #define SONYPI_BAT2_LEFT 0xaa 3603 #define SONYPI_BAT2_MAXRT 0xac 3604 #define SONYPI_BAT1_MAXTK 0xb0 3605 #define SONYPI_BAT1_FULL 0xb2 3606 #define SONYPI_BAT2_MAXTK 0xb8 3607 #define SONYPI_BAT2_FULL 0xba 3608 #define SONYPI_TEMP_STATUS 0xC1 3609 3610 struct sonypi_compat_s { 3611 struct fasync_struct *fifo_async; 3612 struct kfifo fifo; 3613 spinlock_t fifo_lock; 3614 wait_queue_head_t fifo_proc_list; 3615 atomic_t open_count; 3616 }; 3617 static struct sonypi_compat_s sonypi_compat = { 3618 .open_count = ATOMIC_INIT(0), 3619 }; 3620 3621 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 3622 { 3623 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 3624 } 3625 3626 static int sonypi_misc_release(struct inode *inode, struct file *file) 3627 { 3628 atomic_dec(&sonypi_compat.open_count); 3629 return 0; 3630 } 3631 3632 static int sonypi_misc_open(struct inode *inode, struct file *file) 3633 { 3634 /* Flush input queue on first open */ 3635 unsigned long flags; 3636 3637 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 3638 3639 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 3640 kfifo_reset(&sonypi_compat.fifo); 3641 3642 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 3643 3644 return 0; 3645 } 3646 3647 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 3648 size_t count, loff_t *pos) 3649 { 3650 ssize_t ret; 3651 unsigned char c; 3652 3653 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 3654 (file->f_flags & O_NONBLOCK)) 3655 return -EAGAIN; 3656 3657 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 3658 kfifo_len(&sonypi_compat.fifo) != 0); 3659 if (ret) 3660 return ret; 3661 3662 while (ret < count && 3663 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 3664 &sonypi_compat.fifo_lock) == sizeof(c))) { 3665 if (put_user(c, buf++)) 3666 return -EFAULT; 3667 ret++; 3668 } 3669 3670 if (ret > 0) { 3671 struct inode *inode = file_inode(file); 3672 inode->i_atime = current_fs_time(inode->i_sb); 3673 } 3674 3675 return ret; 3676 } 3677 3678 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 3679 { 3680 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 3681 if (kfifo_len(&sonypi_compat.fifo)) 3682 return POLLIN | POLLRDNORM; 3683 return 0; 3684 } 3685 3686 static int ec_read16(u8 addr, u16 *value) 3687 { 3688 u8 val_lb, val_hb; 3689 if (ec_read(addr, &val_lb)) 3690 return -1; 3691 if (ec_read(addr + 1, &val_hb)) 3692 return -1; 3693 *value = val_lb | (val_hb << 8); 3694 return 0; 3695 } 3696 3697 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 3698 unsigned long arg) 3699 { 3700 int ret = 0; 3701 void __user *argp = (void __user *)arg; 3702 u8 val8; 3703 u16 val16; 3704 int value; 3705 3706 mutex_lock(&spic_dev.lock); 3707 switch (cmd) { 3708 case SONYPI_IOCGBRT: 3709 if (sony_bl_props.dev == NULL) { 3710 ret = -EIO; 3711 break; 3712 } 3713 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 3714 &value)) { 3715 ret = -EIO; 3716 break; 3717 } 3718 val8 = ((value & 0xff) - 1) << 5; 3719 if (copy_to_user(argp, &val8, sizeof(val8))) 3720 ret = -EFAULT; 3721 break; 3722 case SONYPI_IOCSBRT: 3723 if (sony_bl_props.dev == NULL) { 3724 ret = -EIO; 3725 break; 3726 } 3727 if (copy_from_user(&val8, argp, sizeof(val8))) { 3728 ret = -EFAULT; 3729 break; 3730 } 3731 value = (val8 >> 5) + 1; 3732 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 3733 NULL)) { 3734 ret = -EIO; 3735 break; 3736 } 3737 /* sync the backlight device status */ 3738 sony_bl_props.dev->props.brightness = 3739 sony_backlight_get_brightness(sony_bl_props.dev); 3740 break; 3741 case SONYPI_IOCGBAT1CAP: 3742 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 3743 ret = -EIO; 3744 break; 3745 } 3746 if (copy_to_user(argp, &val16, sizeof(val16))) 3747 ret = -EFAULT; 3748 break; 3749 case SONYPI_IOCGBAT1REM: 3750 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 3751 ret = -EIO; 3752 break; 3753 } 3754 if (copy_to_user(argp, &val16, sizeof(val16))) 3755 ret = -EFAULT; 3756 break; 3757 case SONYPI_IOCGBAT2CAP: 3758 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 3759 ret = -EIO; 3760 break; 3761 } 3762 if (copy_to_user(argp, &val16, sizeof(val16))) 3763 ret = -EFAULT; 3764 break; 3765 case SONYPI_IOCGBAT2REM: 3766 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 3767 ret = -EIO; 3768 break; 3769 } 3770 if (copy_to_user(argp, &val16, sizeof(val16))) 3771 ret = -EFAULT; 3772 break; 3773 case SONYPI_IOCGBATFLAGS: 3774 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 3775 ret = -EIO; 3776 break; 3777 } 3778 val8 &= 0x07; 3779 if (copy_to_user(argp, &val8, sizeof(val8))) 3780 ret = -EFAULT; 3781 break; 3782 case SONYPI_IOCGBLUE: 3783 val8 = spic_dev.bluetooth_power; 3784 if (copy_to_user(argp, &val8, sizeof(val8))) 3785 ret = -EFAULT; 3786 break; 3787 case SONYPI_IOCSBLUE: 3788 if (copy_from_user(&val8, argp, sizeof(val8))) { 3789 ret = -EFAULT; 3790 break; 3791 } 3792 __sony_pic_set_bluetoothpower(val8); 3793 break; 3794 /* FAN Controls */ 3795 case SONYPI_IOCGFAN: 3796 if (sony_pic_get_fanspeed(&val8)) { 3797 ret = -EIO; 3798 break; 3799 } 3800 if (copy_to_user(argp, &val8, sizeof(val8))) 3801 ret = -EFAULT; 3802 break; 3803 case SONYPI_IOCSFAN: 3804 if (copy_from_user(&val8, argp, sizeof(val8))) { 3805 ret = -EFAULT; 3806 break; 3807 } 3808 if (sony_pic_set_fanspeed(val8)) 3809 ret = -EIO; 3810 break; 3811 /* GET Temperature (useful under APM) */ 3812 case SONYPI_IOCGTEMP: 3813 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 3814 ret = -EIO; 3815 break; 3816 } 3817 if (copy_to_user(argp, &val8, sizeof(val8))) 3818 ret = -EFAULT; 3819 break; 3820 default: 3821 ret = -EINVAL; 3822 } 3823 mutex_unlock(&spic_dev.lock); 3824 return ret; 3825 } 3826 3827 static const struct file_operations sonypi_misc_fops = { 3828 .owner = THIS_MODULE, 3829 .read = sonypi_misc_read, 3830 .poll = sonypi_misc_poll, 3831 .open = sonypi_misc_open, 3832 .release = sonypi_misc_release, 3833 .fasync = sonypi_misc_fasync, 3834 .unlocked_ioctl = sonypi_misc_ioctl, 3835 .llseek = noop_llseek, 3836 }; 3837 3838 static struct miscdevice sonypi_misc_device = { 3839 .minor = MISC_DYNAMIC_MINOR, 3840 .name = "sonypi", 3841 .fops = &sonypi_misc_fops, 3842 }; 3843 3844 static void sonypi_compat_report_event(u8 event) 3845 { 3846 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 3847 sizeof(event), &sonypi_compat.fifo_lock); 3848 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 3849 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 3850 } 3851 3852 static int sonypi_compat_init(void) 3853 { 3854 int error; 3855 3856 spin_lock_init(&sonypi_compat.fifo_lock); 3857 error = 3858 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 3859 if (error) { 3860 pr_err("kfifo_alloc failed\n"); 3861 return error; 3862 } 3863 3864 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 3865 3866 if (minor != -1) 3867 sonypi_misc_device.minor = minor; 3868 error = misc_register(&sonypi_misc_device); 3869 if (error) { 3870 pr_err("misc_register failed\n"); 3871 goto err_free_kfifo; 3872 } 3873 if (minor == -1) 3874 pr_info("device allocated minor is %d\n", 3875 sonypi_misc_device.minor); 3876 3877 return 0; 3878 3879 err_free_kfifo: 3880 kfifo_free(&sonypi_compat.fifo); 3881 return error; 3882 } 3883 3884 static void sonypi_compat_exit(void) 3885 { 3886 misc_deregister(&sonypi_misc_device); 3887 kfifo_free(&sonypi_compat.fifo); 3888 } 3889 #else 3890 static int sonypi_compat_init(void) { return 0; } 3891 static void sonypi_compat_exit(void) { } 3892 static void sonypi_compat_report_event(u8 event) { } 3893 #endif /* CONFIG_SONYPI_COMPAT */ 3894 3895 /* 3896 * ACPI callbacks 3897 */ 3898 static acpi_status 3899 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 3900 { 3901 u32 i; 3902 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 3903 3904 switch (resource->type) { 3905 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 3906 { 3907 /* start IO enumeration */ 3908 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 3909 if (!ioport) 3910 return AE_ERROR; 3911 3912 list_add(&ioport->list, &dev->ioports); 3913 return AE_OK; 3914 } 3915 3916 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 3917 /* end IO enumeration */ 3918 return AE_OK; 3919 3920 case ACPI_RESOURCE_TYPE_IRQ: 3921 { 3922 struct acpi_resource_irq *p = &resource->data.irq; 3923 struct sony_pic_irq *interrupt = NULL; 3924 if (!p || !p->interrupt_count) { 3925 /* 3926 * IRQ descriptors may have no IRQ# bits set, 3927 * particularly those those w/ _STA disabled 3928 */ 3929 dprintk("Blank IRQ resource\n"); 3930 return AE_OK; 3931 } 3932 for (i = 0; i < p->interrupt_count; i++) { 3933 if (!p->interrupts[i]) { 3934 pr_warn("Invalid IRQ %d\n", 3935 p->interrupts[i]); 3936 continue; 3937 } 3938 interrupt = kzalloc(sizeof(*interrupt), 3939 GFP_KERNEL); 3940 if (!interrupt) 3941 return AE_ERROR; 3942 3943 list_add(&interrupt->list, &dev->interrupts); 3944 interrupt->irq.triggering = p->triggering; 3945 interrupt->irq.polarity = p->polarity; 3946 interrupt->irq.sharable = p->sharable; 3947 interrupt->irq.interrupt_count = 1; 3948 interrupt->irq.interrupts[0] = p->interrupts[i]; 3949 } 3950 return AE_OK; 3951 } 3952 case ACPI_RESOURCE_TYPE_IO: 3953 { 3954 struct acpi_resource_io *io = &resource->data.io; 3955 struct sony_pic_ioport *ioport = 3956 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 3957 if (!io) { 3958 dprintk("Blank IO resource\n"); 3959 return AE_OK; 3960 } 3961 3962 if (!ioport->io1.minimum) { 3963 memcpy(&ioport->io1, io, sizeof(*io)); 3964 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 3965 ioport->io1.address_length); 3966 } 3967 else if (!ioport->io2.minimum) { 3968 memcpy(&ioport->io2, io, sizeof(*io)); 3969 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 3970 ioport->io2.address_length); 3971 } 3972 else { 3973 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 3974 return AE_ERROR; 3975 } 3976 return AE_OK; 3977 } 3978 default: 3979 dprintk("Resource %d isn't an IRQ nor an IO port\n", 3980 resource->type); 3981 3982 case ACPI_RESOURCE_TYPE_END_TAG: 3983 return AE_OK; 3984 } 3985 return AE_CTRL_TERMINATE; 3986 } 3987 3988 static int sony_pic_possible_resources(struct acpi_device *device) 3989 { 3990 int result = 0; 3991 acpi_status status = AE_OK; 3992 3993 if (!device) 3994 return -EINVAL; 3995 3996 /* get device status */ 3997 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 3998 dprintk("Evaluating _STA\n"); 3999 result = acpi_bus_get_status(device); 4000 if (result) { 4001 pr_warn("Unable to read status\n"); 4002 goto end; 4003 } 4004 4005 if (!device->status.enabled) 4006 dprintk("Device disabled\n"); 4007 else 4008 dprintk("Device enabled\n"); 4009 4010 /* 4011 * Query and parse 'method' 4012 */ 4013 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4014 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4015 sony_pic_read_possible_resource, &spic_dev); 4016 if (ACPI_FAILURE(status)) { 4017 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4018 result = -ENODEV; 4019 } 4020 end: 4021 return result; 4022 } 4023 4024 /* 4025 * Disable the spic device by calling its _DIS method 4026 */ 4027 static int sony_pic_disable(struct acpi_device *device) 4028 { 4029 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4030 NULL); 4031 4032 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4033 return -ENXIO; 4034 4035 dprintk("Device disabled\n"); 4036 return 0; 4037 } 4038 4039 4040 /* 4041 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4042 * 4043 * Call _SRS to set current resources 4044 */ 4045 static int sony_pic_enable(struct acpi_device *device, 4046 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4047 { 4048 acpi_status status; 4049 int result = 0; 4050 /* Type 1 resource layout is: 4051 * IO 4052 * IO 4053 * IRQNoFlags 4054 * End 4055 * 4056 * Type 2 and 3 resource layout is: 4057 * IO 4058 * IRQNoFlags 4059 * End 4060 */ 4061 struct { 4062 struct acpi_resource res1; 4063 struct acpi_resource res2; 4064 struct acpi_resource res3; 4065 struct acpi_resource res4; 4066 } *resource; 4067 struct acpi_buffer buffer = { 0, NULL }; 4068 4069 if (!ioport || !irq) 4070 return -EINVAL; 4071 4072 /* init acpi_buffer */ 4073 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4074 if (!resource) 4075 return -ENOMEM; 4076 4077 buffer.length = sizeof(*resource) + 1; 4078 buffer.pointer = resource; 4079 4080 /* setup Type 1 resources */ 4081 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4082 4083 /* setup io resources */ 4084 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4085 resource->res1.length = sizeof(struct acpi_resource); 4086 memcpy(&resource->res1.data.io, &ioport->io1, 4087 sizeof(struct acpi_resource_io)); 4088 4089 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4090 resource->res2.length = sizeof(struct acpi_resource); 4091 memcpy(&resource->res2.data.io, &ioport->io2, 4092 sizeof(struct acpi_resource_io)); 4093 4094 /* setup irq resource */ 4095 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4096 resource->res3.length = sizeof(struct acpi_resource); 4097 memcpy(&resource->res3.data.irq, &irq->irq, 4098 sizeof(struct acpi_resource_irq)); 4099 /* we requested a shared irq */ 4100 resource->res3.data.irq.sharable = ACPI_SHARED; 4101 4102 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4103 resource->res4.length = sizeof(struct acpi_resource); 4104 } 4105 /* setup Type 2/3 resources */ 4106 else { 4107 /* setup io resource */ 4108 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4109 resource->res1.length = sizeof(struct acpi_resource); 4110 memcpy(&resource->res1.data.io, &ioport->io1, 4111 sizeof(struct acpi_resource_io)); 4112 4113 /* setup irq resource */ 4114 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4115 resource->res2.length = sizeof(struct acpi_resource); 4116 memcpy(&resource->res2.data.irq, &irq->irq, 4117 sizeof(struct acpi_resource_irq)); 4118 /* we requested a shared irq */ 4119 resource->res2.data.irq.sharable = ACPI_SHARED; 4120 4121 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4122 resource->res3.length = sizeof(struct acpi_resource); 4123 } 4124 4125 /* Attempt to set the resource */ 4126 dprintk("Evaluating _SRS\n"); 4127 status = acpi_set_current_resources(device->handle, &buffer); 4128 4129 /* check for total failure */ 4130 if (ACPI_FAILURE(status)) { 4131 pr_err("Error evaluating _SRS\n"); 4132 result = -ENODEV; 4133 goto end; 4134 } 4135 4136 /* Necessary device initializations calls (from sonypi) */ 4137 sony_pic_call1(0x82); 4138 sony_pic_call2(0x81, 0xff); 4139 sony_pic_call1(compat ? 0x92 : 0x82); 4140 4141 end: 4142 kfree(resource); 4143 return result; 4144 } 4145 4146 /***************** 4147 * 4148 * ISR: some event is available 4149 * 4150 *****************/ 4151 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4152 { 4153 int i, j; 4154 u8 ev = 0; 4155 u8 data_mask = 0; 4156 u8 device_event = 0; 4157 4158 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4159 4160 ev = inb_p(dev->cur_ioport->io1.minimum); 4161 if (dev->cur_ioport->io2.minimum) 4162 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4163 else 4164 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4165 dev->evport_offset); 4166 4167 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4168 ev, data_mask, dev->cur_ioport->io1.minimum, 4169 dev->evport_offset); 4170 4171 if (ev == 0x00 || ev == 0xff) 4172 return IRQ_HANDLED; 4173 4174 for (i = 0; dev->event_types[i].mask; i++) { 4175 4176 if ((data_mask & dev->event_types[i].data) != 4177 dev->event_types[i].data) 4178 continue; 4179 4180 if (!(mask & dev->event_types[i].mask)) 4181 continue; 4182 4183 for (j = 0; dev->event_types[i].events[j].event; j++) { 4184 if (ev == dev->event_types[i].events[j].data) { 4185 device_event = 4186 dev->event_types[i].events[j].event; 4187 /* some events may require ignoring */ 4188 if (!device_event) 4189 return IRQ_HANDLED; 4190 goto found; 4191 } 4192 } 4193 } 4194 /* Still not able to decode the event try to pass 4195 * it over to the minidriver 4196 */ 4197 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4198 return IRQ_HANDLED; 4199 4200 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4201 ev, data_mask, dev->cur_ioport->io1.minimum, 4202 dev->evport_offset); 4203 return IRQ_HANDLED; 4204 4205 found: 4206 sony_laptop_report_input_event(device_event); 4207 sonypi_compat_report_event(device_event); 4208 return IRQ_HANDLED; 4209 } 4210 4211 /***************** 4212 * 4213 * ACPI driver 4214 * 4215 *****************/ 4216 static int sony_pic_remove(struct acpi_device *device) 4217 { 4218 struct sony_pic_ioport *io, *tmp_io; 4219 struct sony_pic_irq *irq, *tmp_irq; 4220 4221 if (sony_pic_disable(device)) { 4222 pr_err("Couldn't disable device\n"); 4223 return -ENXIO; 4224 } 4225 4226 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4227 release_region(spic_dev.cur_ioport->io1.minimum, 4228 spic_dev.cur_ioport->io1.address_length); 4229 if (spic_dev.cur_ioport->io2.minimum) 4230 release_region(spic_dev.cur_ioport->io2.minimum, 4231 spic_dev.cur_ioport->io2.address_length); 4232 4233 sonypi_compat_exit(); 4234 4235 sony_laptop_remove_input(); 4236 4237 /* pf attrs */ 4238 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4239 sony_pf_remove(); 4240 4241 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4242 list_del(&io->list); 4243 kfree(io); 4244 } 4245 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4246 list_del(&irq->list); 4247 kfree(irq); 4248 } 4249 spic_dev.cur_ioport = NULL; 4250 spic_dev.cur_irq = NULL; 4251 4252 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4253 return 0; 4254 } 4255 4256 static int sony_pic_add(struct acpi_device *device) 4257 { 4258 int result; 4259 struct sony_pic_ioport *io, *tmp_io; 4260 struct sony_pic_irq *irq, *tmp_irq; 4261 4262 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 4263 4264 spic_dev.acpi_dev = device; 4265 strcpy(acpi_device_class(device), "sony/hotkey"); 4266 sony_pic_detect_device_type(&spic_dev); 4267 mutex_init(&spic_dev.lock); 4268 4269 /* read _PRS resources */ 4270 result = sony_pic_possible_resources(device); 4271 if (result) { 4272 pr_err("Unable to read possible resources\n"); 4273 goto err_free_resources; 4274 } 4275 4276 /* setup input devices and helper fifo */ 4277 result = sony_laptop_setup_input(device); 4278 if (result) { 4279 pr_err("Unable to create input devices\n"); 4280 goto err_free_resources; 4281 } 4282 4283 result = sonypi_compat_init(); 4284 if (result) 4285 goto err_remove_input; 4286 4287 /* request io port */ 4288 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4289 if (request_region(io->io1.minimum, io->io1.address_length, 4290 "Sony Programmable I/O Device")) { 4291 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4292 io->io1.minimum, io->io1.maximum, 4293 io->io1.address_length); 4294 /* Type 1 have 2 ioports */ 4295 if (io->io2.minimum) { 4296 if (request_region(io->io2.minimum, 4297 io->io2.address_length, 4298 "Sony Programmable I/O Device")) { 4299 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4300 io->io2.minimum, io->io2.maximum, 4301 io->io2.address_length); 4302 spic_dev.cur_ioport = io; 4303 break; 4304 } 4305 else { 4306 dprintk("Unable to get I/O port2: " 4307 "0x%.4x (0x%.4x) + 0x%.2x\n", 4308 io->io2.minimum, io->io2.maximum, 4309 io->io2.address_length); 4310 release_region(io->io1.minimum, 4311 io->io1.address_length); 4312 } 4313 } 4314 else { 4315 spic_dev.cur_ioport = io; 4316 break; 4317 } 4318 } 4319 } 4320 if (!spic_dev.cur_ioport) { 4321 pr_err("Failed to request_region\n"); 4322 result = -ENODEV; 4323 goto err_remove_compat; 4324 } 4325 4326 /* request IRQ */ 4327 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4328 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4329 0, "sony-laptop", &spic_dev)) { 4330 dprintk("IRQ: %d - triggering: %d - " 4331 "polarity: %d - shr: %d\n", 4332 irq->irq.interrupts[0], 4333 irq->irq.triggering, 4334 irq->irq.polarity, 4335 irq->irq.sharable); 4336 spic_dev.cur_irq = irq; 4337 break; 4338 } 4339 } 4340 if (!spic_dev.cur_irq) { 4341 pr_err("Failed to request_irq\n"); 4342 result = -ENODEV; 4343 goto err_release_region; 4344 } 4345 4346 /* set resource status _SRS */ 4347 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4348 if (result) { 4349 pr_err("Couldn't enable device\n"); 4350 goto err_free_irq; 4351 } 4352 4353 spic_dev.bluetooth_power = -1; 4354 /* create device attributes */ 4355 result = sony_pf_add(); 4356 if (result) 4357 goto err_disable_device; 4358 4359 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4360 if (result) 4361 goto err_remove_pf; 4362 4363 return 0; 4364 4365 err_remove_pf: 4366 sony_pf_remove(); 4367 4368 err_disable_device: 4369 sony_pic_disable(device); 4370 4371 err_free_irq: 4372 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4373 4374 err_release_region: 4375 release_region(spic_dev.cur_ioport->io1.minimum, 4376 spic_dev.cur_ioport->io1.address_length); 4377 if (spic_dev.cur_ioport->io2.minimum) 4378 release_region(spic_dev.cur_ioport->io2.minimum, 4379 spic_dev.cur_ioport->io2.address_length); 4380 4381 err_remove_compat: 4382 sonypi_compat_exit(); 4383 4384 err_remove_input: 4385 sony_laptop_remove_input(); 4386 4387 err_free_resources: 4388 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4389 list_del(&io->list); 4390 kfree(io); 4391 } 4392 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4393 list_del(&irq->list); 4394 kfree(irq); 4395 } 4396 spic_dev.cur_ioport = NULL; 4397 spic_dev.cur_irq = NULL; 4398 4399 return result; 4400 } 4401 4402 #ifdef CONFIG_PM_SLEEP 4403 static int sony_pic_suspend(struct device *dev) 4404 { 4405 if (sony_pic_disable(to_acpi_device(dev))) 4406 return -ENXIO; 4407 return 0; 4408 } 4409 4410 static int sony_pic_resume(struct device *dev) 4411 { 4412 sony_pic_enable(to_acpi_device(dev), 4413 spic_dev.cur_ioport, spic_dev.cur_irq); 4414 return 0; 4415 } 4416 #endif 4417 4418 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4419 4420 static const struct acpi_device_id sony_pic_device_ids[] = { 4421 {SONY_PIC_HID, 0}, 4422 {"", 0}, 4423 }; 4424 4425 static struct acpi_driver sony_pic_driver = { 4426 .name = SONY_PIC_DRIVER_NAME, 4427 .class = SONY_PIC_CLASS, 4428 .ids = sony_pic_device_ids, 4429 .owner = THIS_MODULE, 4430 .ops = { 4431 .add = sony_pic_add, 4432 .remove = sony_pic_remove, 4433 }, 4434 .drv.pm = &sony_pic_pm, 4435 }; 4436 4437 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4438 { 4439 .ident = "Sony Vaio", 4440 .matches = { 4441 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4442 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4443 }, 4444 }, 4445 { 4446 .ident = "Sony Vaio", 4447 .matches = { 4448 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4449 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4450 }, 4451 }, 4452 { } 4453 }; 4454 4455 static int __init sony_laptop_init(void) 4456 { 4457 int result; 4458 4459 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4460 result = acpi_bus_register_driver(&sony_pic_driver); 4461 if (result) { 4462 pr_err("Unable to register SPIC driver\n"); 4463 goto out; 4464 } 4465 spic_drv_registered = 1; 4466 } 4467 4468 result = acpi_bus_register_driver(&sony_nc_driver); 4469 if (result) { 4470 pr_err("Unable to register SNC driver\n"); 4471 goto out_unregister_pic; 4472 } 4473 4474 return 0; 4475 4476 out_unregister_pic: 4477 if (spic_drv_registered) 4478 acpi_bus_unregister_driver(&sony_pic_driver); 4479 out: 4480 return result; 4481 } 4482 4483 static void __exit sony_laptop_exit(void) 4484 { 4485 acpi_bus_unregister_driver(&sony_nc_driver); 4486 if (spic_drv_registered) 4487 acpi_bus_unregister_driver(&sony_pic_driver); 4488 } 4489 4490 module_init(sony_laptop_init); 4491 module_exit(sony_laptop_exit); 4492