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 <acpi/acpi_drivers.h> 65 #include <acpi/acpi_bus.h> 66 #include <asm/uaccess.h> 67 #include <linux/sonypi.h> 68 #include <linux/sony-laptop.h> 69 #include <linux/rfkill.h> 70 #ifdef CONFIG_SONYPI_COMPAT 71 #include <linux/poll.h> 72 #include <linux/miscdevice.h> 73 #endif 74 75 #define dprintk(fmt, ...) \ 76 do { \ 77 if (debug) \ 78 pr_warn(fmt, ##__VA_ARGS__); \ 79 } while (0) 80 81 #define SONY_LAPTOP_DRIVER_VERSION "0.6" 82 83 #define SONY_NC_CLASS "sony-nc" 84 #define SONY_NC_HID "SNY5001" 85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 86 87 #define SONY_PIC_CLASS "sony-pic" 88 #define SONY_PIC_HID "SNY6001" 89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 90 91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 93 MODULE_LICENSE("GPL"); 94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); 95 96 static int debug; 97 module_param(debug, int, 0); 98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 99 "the development of this driver"); 100 101 static int no_spic; /* = 0 */ 102 module_param(no_spic, int, 0444); 103 MODULE_PARM_DESC(no_spic, 104 "set this if you don't want to enable the SPIC device"); 105 106 static int compat; /* = 0 */ 107 module_param(compat, int, 0444); 108 MODULE_PARM_DESC(compat, 109 "set this if you want to enable backward compatibility mode"); 110 111 static unsigned long mask = 0xffffffff; 112 module_param(mask, ulong, 0644); 113 MODULE_PARM_DESC(mask, 114 "set this to the mask of event you want to enable (see doc)"); 115 116 static int camera; /* = 0 */ 117 module_param(camera, int, 0444); 118 MODULE_PARM_DESC(camera, 119 "set this to 1 to enable Motion Eye camera controls " 120 "(only use it if you have a C1VE or C1VN model)"); 121 122 #ifdef CONFIG_SONYPI_COMPAT 123 static int minor = -1; 124 module_param(minor, int, 0); 125 MODULE_PARM_DESC(minor, 126 "minor number of the misc device for the SPIC compatibility code, " 127 "default is -1 (automatic)"); 128 #endif 129 130 static int kbd_backlight = -1; 131 module_param(kbd_backlight, int, 0444); 132 MODULE_PARM_DESC(kbd_backlight, 133 "set this to 0 to disable keyboard backlight, " 134 "1 to enable it (default: no change from current value)"); 135 136 static int kbd_backlight_timeout = -1; 137 module_param(kbd_backlight_timeout, int, 0444); 138 MODULE_PARM_DESC(kbd_backlight_timeout, 139 "meaningful values vary from 0 to 3 and their meaning depends " 140 "on the model (default: no change from current value)"); 141 142 #ifdef CONFIG_PM_SLEEP 143 static void sony_nc_thermal_resume(void); 144 #endif 145 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 146 unsigned int handle); 147 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 148 unsigned int handle); 149 150 static int sony_nc_battery_care_setup(struct platform_device *pd, 151 unsigned int handle); 152 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 153 154 static int sony_nc_thermal_setup(struct platform_device *pd); 155 static void sony_nc_thermal_cleanup(struct platform_device *pd); 156 157 static int sony_nc_lid_resume_setup(struct platform_device *pd); 158 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 159 160 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 161 unsigned int handle); 162 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 163 static int __sony_nc_gfx_switch_status_get(void); 164 165 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 166 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 167 168 static int sony_nc_touchpad_setup(struct platform_device *pd, 169 unsigned int handle); 170 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 171 172 enum sony_nc_rfkill { 173 SONY_WIFI, 174 SONY_BLUETOOTH, 175 SONY_WWAN, 176 SONY_WIMAX, 177 N_SONY_RFKILL, 178 }; 179 180 static int sony_rfkill_handle; 181 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 182 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 183 static int sony_nc_rfkill_setup(struct acpi_device *device, 184 unsigned int handle); 185 static void sony_nc_rfkill_cleanup(void); 186 static void sony_nc_rfkill_update(void); 187 188 /*********** Input Devices ***********/ 189 190 #define SONY_LAPTOP_BUF_SIZE 128 191 struct sony_laptop_input_s { 192 atomic_t users; 193 struct input_dev *jog_dev; 194 struct input_dev *key_dev; 195 struct kfifo fifo; 196 spinlock_t fifo_lock; 197 struct timer_list release_key_timer; 198 }; 199 200 static struct sony_laptop_input_s sony_laptop_input = { 201 .users = ATOMIC_INIT(0), 202 }; 203 204 struct sony_laptop_keypress { 205 struct input_dev *dev; 206 int key; 207 }; 208 209 /* Correspondance table between sonypi events 210 * and input layer indexes in the keymap 211 */ 212 static int sony_laptop_input_index[] = { 213 -1, /* 0 no event */ 214 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 215 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 216 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 217 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 218 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 219 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 220 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 221 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 222 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 223 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 224 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 225 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 226 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 227 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 228 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 229 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 230 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 231 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 232 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 233 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 234 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 235 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 236 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 237 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 238 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 239 19, /* 26 SONYPI_EVENT_FNKEY_D */ 240 20, /* 27 SONYPI_EVENT_FNKEY_E */ 241 21, /* 28 SONYPI_EVENT_FNKEY_F */ 242 22, /* 29 SONYPI_EVENT_FNKEY_S */ 243 23, /* 30 SONYPI_EVENT_FNKEY_B */ 244 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 245 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 246 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 247 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 248 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 249 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 250 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 251 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 252 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 253 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 254 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 255 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 256 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 257 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 258 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 259 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 260 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 261 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 262 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 263 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 264 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 265 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 266 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 267 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 268 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 269 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 270 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 271 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 272 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 273 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 274 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 275 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 276 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 277 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 278 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 279 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 280 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 281 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 282 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 283 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 284 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 285 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 286 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 287 }; 288 289 static int sony_laptop_input_keycode_map[] = { 290 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 291 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 292 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 293 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 294 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 295 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 296 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 297 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 298 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 299 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 300 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 301 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 302 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 303 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 304 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 305 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 306 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 307 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 308 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 309 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 310 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 311 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 312 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 313 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 314 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 315 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 316 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 317 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 318 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 319 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 320 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 321 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 322 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 323 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 324 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 325 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 326 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 327 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 328 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 329 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 330 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 331 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 332 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 333 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 334 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 335 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 336 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 337 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 338 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 339 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 340 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 341 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 342 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 343 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 344 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 345 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 346 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 347 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 348 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 349 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 350 }; 351 352 /* release buttons after a short delay if pressed */ 353 static void do_sony_laptop_release_key(unsigned long unused) 354 { 355 struct sony_laptop_keypress kp; 356 unsigned long flags; 357 358 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 359 360 if (kfifo_out(&sony_laptop_input.fifo, 361 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 362 input_report_key(kp.dev, kp.key, 0); 363 input_sync(kp.dev); 364 } 365 366 /* If there is something in the fifo schedule next release. */ 367 if (kfifo_len(&sony_laptop_input.fifo) != 0) 368 mod_timer(&sony_laptop_input.release_key_timer, 369 jiffies + msecs_to_jiffies(10)); 370 371 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 372 } 373 374 /* forward event to the input subsystem */ 375 static void sony_laptop_report_input_event(u8 event) 376 { 377 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 378 struct input_dev *key_dev = sony_laptop_input.key_dev; 379 struct sony_laptop_keypress kp = { NULL }; 380 int scancode = -1; 381 382 if (event == SONYPI_EVENT_FNKEY_RELEASED || 383 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 384 /* Nothing, not all VAIOs generate this event */ 385 return; 386 } 387 388 /* report events */ 389 switch (event) { 390 /* jog_dev events */ 391 case SONYPI_EVENT_JOGDIAL_UP: 392 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 393 input_report_rel(jog_dev, REL_WHEEL, 1); 394 input_sync(jog_dev); 395 return; 396 397 case SONYPI_EVENT_JOGDIAL_DOWN: 398 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 399 input_report_rel(jog_dev, REL_WHEEL, -1); 400 input_sync(jog_dev); 401 return; 402 403 /* key_dev events */ 404 case SONYPI_EVENT_JOGDIAL_PRESSED: 405 kp.key = BTN_MIDDLE; 406 kp.dev = jog_dev; 407 break; 408 409 default: 410 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 411 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 412 break; 413 } 414 if ((scancode = sony_laptop_input_index[event]) != -1) { 415 kp.key = sony_laptop_input_keycode_map[scancode]; 416 if (kp.key != KEY_UNKNOWN) 417 kp.dev = key_dev; 418 } 419 break; 420 } 421 422 if (kp.dev) { 423 /* if we have a scancode we emit it so we can always 424 remap the key */ 425 if (scancode != -1) 426 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 427 input_report_key(kp.dev, kp.key, 1); 428 input_sync(kp.dev); 429 430 /* schedule key release */ 431 kfifo_in_locked(&sony_laptop_input.fifo, 432 (unsigned char *)&kp, sizeof(kp), 433 &sony_laptop_input.fifo_lock); 434 mod_timer(&sony_laptop_input.release_key_timer, 435 jiffies + msecs_to_jiffies(10)); 436 } else 437 dprintk("unknown input event %.2x\n", event); 438 } 439 440 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 441 { 442 struct input_dev *jog_dev; 443 struct input_dev *key_dev; 444 int i; 445 int error; 446 447 /* don't run again if already initialized */ 448 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 449 return 0; 450 451 /* kfifo */ 452 spin_lock_init(&sony_laptop_input.fifo_lock); 453 error = kfifo_alloc(&sony_laptop_input.fifo, 454 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 455 if (error) { 456 pr_err("kfifo_alloc failed\n"); 457 goto err_dec_users; 458 } 459 460 setup_timer(&sony_laptop_input.release_key_timer, 461 do_sony_laptop_release_key, 0); 462 463 /* input keys */ 464 key_dev = input_allocate_device(); 465 if (!key_dev) { 466 error = -ENOMEM; 467 goto err_free_kfifo; 468 } 469 470 key_dev->name = "Sony Vaio Keys"; 471 key_dev->id.bustype = BUS_ISA; 472 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 473 key_dev->dev.parent = &acpi_device->dev; 474 475 /* Initialize the Input Drivers: special keys */ 476 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 477 478 __set_bit(EV_KEY, key_dev->evbit); 479 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 480 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 481 key_dev->keycode = &sony_laptop_input_keycode_map; 482 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 483 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 484 __clear_bit(KEY_RESERVED, key_dev->keybit); 485 486 error = input_register_device(key_dev); 487 if (error) 488 goto err_free_keydev; 489 490 sony_laptop_input.key_dev = key_dev; 491 492 /* jogdial */ 493 jog_dev = input_allocate_device(); 494 if (!jog_dev) { 495 error = -ENOMEM; 496 goto err_unregister_keydev; 497 } 498 499 jog_dev->name = "Sony Vaio Jogdial"; 500 jog_dev->id.bustype = BUS_ISA; 501 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 502 jog_dev->dev.parent = &acpi_device->dev; 503 504 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 505 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 506 507 error = input_register_device(jog_dev); 508 if (error) 509 goto err_free_jogdev; 510 511 sony_laptop_input.jog_dev = jog_dev; 512 513 return 0; 514 515 err_free_jogdev: 516 input_free_device(jog_dev); 517 518 err_unregister_keydev: 519 input_unregister_device(key_dev); 520 /* to avoid kref underflow below at input_free_device */ 521 key_dev = NULL; 522 523 err_free_keydev: 524 input_free_device(key_dev); 525 526 err_free_kfifo: 527 kfifo_free(&sony_laptop_input.fifo); 528 529 err_dec_users: 530 atomic_dec(&sony_laptop_input.users); 531 return error; 532 } 533 534 static void sony_laptop_remove_input(void) 535 { 536 struct sony_laptop_keypress kp = { NULL }; 537 538 /* Cleanup only after the last user has gone */ 539 if (!atomic_dec_and_test(&sony_laptop_input.users)) 540 return; 541 542 del_timer_sync(&sony_laptop_input.release_key_timer); 543 544 /* 545 * Generate key-up events for remaining keys. Note that we don't 546 * need locking since nobody is adding new events to the kfifo. 547 */ 548 while (kfifo_out(&sony_laptop_input.fifo, 549 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 550 input_report_key(kp.dev, kp.key, 0); 551 input_sync(kp.dev); 552 } 553 554 /* destroy input devs */ 555 input_unregister_device(sony_laptop_input.key_dev); 556 sony_laptop_input.key_dev = NULL; 557 558 if (sony_laptop_input.jog_dev) { 559 input_unregister_device(sony_laptop_input.jog_dev); 560 sony_laptop_input.jog_dev = NULL; 561 } 562 563 kfifo_free(&sony_laptop_input.fifo); 564 } 565 566 /*********** Platform Device ***********/ 567 568 static atomic_t sony_pf_users = ATOMIC_INIT(0); 569 static struct platform_driver sony_pf_driver = { 570 .driver = { 571 .name = "sony-laptop", 572 .owner = THIS_MODULE, 573 } 574 }; 575 static struct platform_device *sony_pf_device; 576 577 static int sony_pf_add(void) 578 { 579 int ret = 0; 580 581 /* don't run again if already initialized */ 582 if (atomic_add_return(1, &sony_pf_users) > 1) 583 return 0; 584 585 ret = platform_driver_register(&sony_pf_driver); 586 if (ret) 587 goto out; 588 589 sony_pf_device = platform_device_alloc("sony-laptop", -1); 590 if (!sony_pf_device) { 591 ret = -ENOMEM; 592 goto out_platform_registered; 593 } 594 595 ret = platform_device_add(sony_pf_device); 596 if (ret) 597 goto out_platform_alloced; 598 599 return 0; 600 601 out_platform_alloced: 602 platform_device_put(sony_pf_device); 603 sony_pf_device = NULL; 604 out_platform_registered: 605 platform_driver_unregister(&sony_pf_driver); 606 out: 607 atomic_dec(&sony_pf_users); 608 return ret; 609 } 610 611 static void sony_pf_remove(void) 612 { 613 /* deregister only after the last user has gone */ 614 if (!atomic_dec_and_test(&sony_pf_users)) 615 return; 616 617 platform_device_unregister(sony_pf_device); 618 platform_driver_unregister(&sony_pf_driver); 619 } 620 621 /*********** SNC (SNY5001) Device ***********/ 622 623 /* the device uses 1-based values, while the backlight subsystem uses 624 0-based values */ 625 #define SONY_MAX_BRIGHTNESS 8 626 627 #define SNC_VALIDATE_IN 0 628 #define SNC_VALIDATE_OUT 1 629 630 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 631 char *); 632 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 633 const char *, size_t); 634 static int boolean_validate(const int, const int); 635 static int brightness_default_validate(const int, const int); 636 637 struct sony_nc_value { 638 char *name; /* name of the entry */ 639 char **acpiget; /* names of the ACPI get function */ 640 char **acpiset; /* names of the ACPI set function */ 641 int (*validate)(const int, const int); /* input/output validation */ 642 int value; /* current setting */ 643 int valid; /* Has ever been set */ 644 int debug; /* active only in debug mode ? */ 645 struct device_attribute devattr; /* sysfs attribute */ 646 }; 647 648 #define SNC_HANDLE_NAMES(_name, _values...) \ 649 static char *snc_##_name[] = { _values, NULL } 650 651 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 652 { \ 653 .name = __stringify(_name), \ 654 .acpiget = _getters, \ 655 .acpiset = _setters, \ 656 .validate = _validate, \ 657 .debug = _debug, \ 658 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 659 } 660 661 #define SNC_HANDLE_NULL { .name = NULL } 662 663 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 664 665 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 666 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 667 668 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 669 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 670 671 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 672 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 673 674 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 675 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 676 677 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 678 679 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 680 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 681 682 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 683 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 684 685 SNC_HANDLE_NAMES(PID_get, "GPID"); 686 687 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 688 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 689 690 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 691 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 692 693 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 694 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 695 696 static struct sony_nc_value sony_nc_values[] = { 697 SNC_HANDLE(brightness_default, snc_brightness_def_get, 698 snc_brightness_def_set, brightness_default_validate, 0), 699 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 700 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 701 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 702 boolean_validate, 0), 703 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 704 boolean_validate, 1), 705 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 706 boolean_validate, 0), 707 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 708 boolean_validate, 0), 709 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 710 boolean_validate, 0), 711 /* unknown methods */ 712 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 713 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 714 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 715 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 716 SNC_HANDLE_NULL 717 }; 718 719 static acpi_handle sony_nc_acpi_handle; 720 static struct acpi_device *sony_nc_acpi_device = NULL; 721 722 /* 723 * acpi_evaluate_object wrappers 724 * all useful calls into SNC methods take one or zero parameters and return 725 * integers or arrays. 726 */ 727 static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 728 u64 *value) 729 { 730 union acpi_object *result = NULL; 731 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 732 acpi_status status; 733 734 if (value) { 735 struct acpi_object_list params; 736 union acpi_object in; 737 in.type = ACPI_TYPE_INTEGER; 738 in.integer.value = *value; 739 params.count = 1; 740 params.pointer = ∈ 741 status = acpi_evaluate_object(handle, method, ¶ms, &output); 742 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 743 (unsigned int)(*value >> 32), 744 (unsigned int)*value & 0xffffffff); 745 } else { 746 status = acpi_evaluate_object(handle, method, NULL, &output); 747 dprintk("__call_snc_method: [%s]\n", method); 748 } 749 750 if (ACPI_FAILURE(status)) { 751 pr_err("Failed to evaluate [%s]\n", method); 752 return NULL; 753 } 754 755 result = (union acpi_object *) output.pointer; 756 if (!result) 757 dprintk("No return object [%s]\n", method); 758 759 return result; 760 } 761 762 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 763 int *result) 764 { 765 union acpi_object *object = NULL; 766 if (value) { 767 u64 v = *value; 768 object = __call_snc_method(handle, name, &v); 769 } else 770 object = __call_snc_method(handle, name, NULL); 771 772 if (!object) 773 return -EINVAL; 774 775 if (object->type != ACPI_TYPE_INTEGER) { 776 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 777 ACPI_TYPE_INTEGER, object->type); 778 kfree(object); 779 return -EINVAL; 780 } 781 782 if (result) 783 *result = object->integer.value; 784 785 kfree(object); 786 return 0; 787 } 788 789 #define MIN(a, b) (a > b ? b : a) 790 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 791 void *buffer, size_t buflen) 792 { 793 int ret = 0; 794 size_t len = len; 795 union acpi_object *object = __call_snc_method(handle, name, value); 796 797 if (!object) 798 return -EINVAL; 799 800 if (object->type == ACPI_TYPE_BUFFER) { 801 len = MIN(buflen, object->buffer.length); 802 memcpy(buffer, object->buffer.pointer, len); 803 804 } else if (object->type == ACPI_TYPE_INTEGER) { 805 len = MIN(buflen, sizeof(object->integer.value)); 806 memcpy(buffer, &object->integer.value, len); 807 808 } else { 809 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 810 ACPI_TYPE_BUFFER, object->type); 811 ret = -EINVAL; 812 } 813 814 kfree(object); 815 return ret; 816 } 817 818 struct sony_nc_handles { 819 u16 cap[0x10]; 820 struct device_attribute devattr; 821 }; 822 823 static struct sony_nc_handles *handles; 824 825 static ssize_t sony_nc_handles_show(struct device *dev, 826 struct device_attribute *attr, char *buffer) 827 { 828 ssize_t len = 0; 829 int i; 830 831 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 832 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 833 handles->cap[i]); 834 } 835 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 836 837 return len; 838 } 839 840 static int sony_nc_handles_setup(struct platform_device *pd) 841 { 842 int i, r, result, arg; 843 844 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 845 if (!handles) 846 return -ENOMEM; 847 848 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 849 arg = i + 0x20; 850 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 851 &result); 852 if (!r) { 853 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 854 result, i); 855 handles->cap[i] = result; 856 } 857 } 858 859 if (debug) { 860 sysfs_attr_init(&handles->devattr.attr); 861 handles->devattr.attr.name = "handles"; 862 handles->devattr.attr.mode = S_IRUGO; 863 handles->devattr.show = sony_nc_handles_show; 864 865 /* allow reading capabilities via sysfs */ 866 if (device_create_file(&pd->dev, &handles->devattr)) { 867 kfree(handles); 868 handles = NULL; 869 return -1; 870 } 871 } 872 873 return 0; 874 } 875 876 static int sony_nc_handles_cleanup(struct platform_device *pd) 877 { 878 if (handles) { 879 if (debug) 880 device_remove_file(&pd->dev, &handles->devattr); 881 kfree(handles); 882 handles = NULL; 883 } 884 return 0; 885 } 886 887 static int sony_find_snc_handle(int handle) 888 { 889 int i; 890 891 /* not initialized yet, return early */ 892 if (!handles || !handle) 893 return -EINVAL; 894 895 for (i = 0; i < 0x10; i++) { 896 if (handles->cap[i] == handle) { 897 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 898 handle, i); 899 return i; 900 } 901 } 902 dprintk("handle 0x%.4x not found\n", handle); 903 return -EINVAL; 904 } 905 906 static int sony_call_snc_handle(int handle, int argument, int *result) 907 { 908 int arg, ret = 0; 909 int offset = sony_find_snc_handle(handle); 910 911 if (offset < 0) 912 return offset; 913 914 arg = offset | argument; 915 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 916 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 917 return ret; 918 } 919 920 /* 921 * sony_nc_values input/output validate functions 922 */ 923 924 /* brightness_default_validate: 925 * 926 * manipulate input output values to keep consistency with the 927 * backlight framework for which brightness values are 0-based. 928 */ 929 static int brightness_default_validate(const int direction, const int value) 930 { 931 switch (direction) { 932 case SNC_VALIDATE_OUT: 933 return value - 1; 934 case SNC_VALIDATE_IN: 935 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 936 return value + 1; 937 } 938 return -EINVAL; 939 } 940 941 /* boolean_validate: 942 * 943 * on input validate boolean values 0/1, on output just pass the 944 * received value. 945 */ 946 static int boolean_validate(const int direction, const int value) 947 { 948 if (direction == SNC_VALIDATE_IN) { 949 if (value != 0 && value != 1) 950 return -EINVAL; 951 } 952 return value; 953 } 954 955 /* 956 * Sysfs show/store common to all sony_nc_values 957 */ 958 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 959 char *buffer) 960 { 961 int value, ret = 0; 962 struct sony_nc_value *item = 963 container_of(attr, struct sony_nc_value, devattr); 964 965 if (!*item->acpiget) 966 return -EIO; 967 968 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 969 &value); 970 if (ret < 0) 971 return -EIO; 972 973 if (item->validate) 974 value = item->validate(SNC_VALIDATE_OUT, value); 975 976 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 977 } 978 979 static ssize_t sony_nc_sysfs_store(struct device *dev, 980 struct device_attribute *attr, 981 const char *buffer, size_t count) 982 { 983 int value; 984 int ret = 0; 985 struct sony_nc_value *item = 986 container_of(attr, struct sony_nc_value, devattr); 987 988 if (!item->acpiset) 989 return -EIO; 990 991 if (count > 31) 992 return -EINVAL; 993 994 if (kstrtoint(buffer, 10, &value)) 995 return -EINVAL; 996 997 if (item->validate) 998 value = item->validate(SNC_VALIDATE_IN, value); 999 1000 if (value < 0) 1001 return value; 1002 1003 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1004 &value, NULL); 1005 if (ret < 0) 1006 return -EIO; 1007 1008 item->value = value; 1009 item->valid = 1; 1010 return count; 1011 } 1012 1013 1014 /* 1015 * Backlight device 1016 */ 1017 struct sony_backlight_props { 1018 struct backlight_device *dev; 1019 int handle; 1020 int cmd_base; 1021 u8 offset; 1022 u8 maxlvl; 1023 }; 1024 struct sony_backlight_props sony_bl_props; 1025 1026 static int sony_backlight_update_status(struct backlight_device *bd) 1027 { 1028 int arg = bd->props.brightness + 1; 1029 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1030 } 1031 1032 static int sony_backlight_get_brightness(struct backlight_device *bd) 1033 { 1034 int value; 1035 1036 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1037 return 0; 1038 /* brightness levels are 1-based, while backlight ones are 0-based */ 1039 return value - 1; 1040 } 1041 1042 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1043 { 1044 int result; 1045 struct sony_backlight_props *sdev = 1046 (struct sony_backlight_props *)bl_get_data(bd); 1047 1048 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1049 1050 return (result & 0xff) - sdev->offset; 1051 } 1052 1053 static int sony_nc_update_status_ng(struct backlight_device *bd) 1054 { 1055 int value, result; 1056 struct sony_backlight_props *sdev = 1057 (struct sony_backlight_props *)bl_get_data(bd); 1058 1059 value = bd->props.brightness + sdev->offset; 1060 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1061 &result)) 1062 return -EIO; 1063 1064 return value; 1065 } 1066 1067 static const struct backlight_ops sony_backlight_ops = { 1068 .options = BL_CORE_SUSPENDRESUME, 1069 .update_status = sony_backlight_update_status, 1070 .get_brightness = sony_backlight_get_brightness, 1071 }; 1072 static const struct backlight_ops sony_backlight_ng_ops = { 1073 .options = BL_CORE_SUSPENDRESUME, 1074 .update_status = sony_nc_update_status_ng, 1075 .get_brightness = sony_nc_get_brightness_ng, 1076 }; 1077 1078 /* 1079 * New SNC-only Vaios event mapping to driver known keys 1080 */ 1081 struct sony_nc_event { 1082 u8 data; 1083 u8 event; 1084 }; 1085 1086 static struct sony_nc_event sony_100_events[] = { 1087 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1088 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1089 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1090 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1091 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1092 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1093 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1094 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1095 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1096 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1097 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1098 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1099 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1100 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1101 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1102 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1103 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1104 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1105 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1106 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1107 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1108 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1109 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1110 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1111 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1112 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1113 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1114 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1115 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1116 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1117 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1118 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1119 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1120 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1121 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1122 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1123 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1124 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1125 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1126 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1127 { 0, 0 }, 1128 }; 1129 1130 static struct sony_nc_event sony_127_events[] = { 1131 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1132 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1133 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1134 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1135 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1136 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1137 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1138 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1139 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1140 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1141 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1142 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1143 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1144 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1145 { 0, 0 }, 1146 }; 1147 1148 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1149 { 1150 int ret = -EINVAL; 1151 unsigned int result = 0; 1152 struct sony_nc_event *key_event; 1153 1154 if (sony_call_snc_handle(handle, 0x200, &result)) { 1155 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1156 event); 1157 return -EINVAL; 1158 } 1159 1160 result &= 0xFF; 1161 1162 if (handle == 0x0100) 1163 key_event = sony_100_events; 1164 else 1165 key_event = sony_127_events; 1166 1167 for (; key_event->data; key_event++) { 1168 if (key_event->data == result) { 1169 ret = key_event->event; 1170 break; 1171 } 1172 } 1173 1174 if (!key_event->data) 1175 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1176 event, result, handle); 1177 1178 return ret; 1179 } 1180 1181 /* 1182 * ACPI callbacks 1183 */ 1184 enum event_types { 1185 HOTKEY = 1, 1186 KILLSWITCH, 1187 GFX_SWITCH 1188 }; 1189 static void sony_nc_notify(struct acpi_device *device, u32 event) 1190 { 1191 u32 real_ev = event; 1192 u8 ev_type = 0; 1193 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1194 1195 if (event >= 0x90) { 1196 unsigned int result = 0; 1197 unsigned int arg = 0; 1198 unsigned int handle = 0; 1199 unsigned int offset = event - 0x90; 1200 1201 if (offset >= ARRAY_SIZE(handles->cap)) { 1202 pr_err("Event 0x%x outside of capabilities list\n", 1203 event); 1204 return; 1205 } 1206 handle = handles->cap[offset]; 1207 1208 /* list of handles known for generating events */ 1209 switch (handle) { 1210 /* hotkey event */ 1211 case 0x0100: 1212 case 0x0127: 1213 ev_type = HOTKEY; 1214 real_ev = sony_nc_hotkeys_decode(event, handle); 1215 1216 if (real_ev > 0) 1217 sony_laptop_report_input_event(real_ev); 1218 else 1219 /* restore the original event for reporting */ 1220 real_ev = event; 1221 1222 break; 1223 1224 /* wlan switch */ 1225 case 0x0124: 1226 case 0x0135: 1227 /* events on this handle are reported when the 1228 * switch changes position or for battery 1229 * events. We'll notify both of them but only 1230 * update the rfkill device status when the 1231 * switch is moved. 1232 */ 1233 ev_type = KILLSWITCH; 1234 sony_call_snc_handle(handle, 0x0100, &result); 1235 real_ev = result & 0x03; 1236 1237 /* hw switch event */ 1238 if (real_ev == 1) 1239 sony_nc_rfkill_update(); 1240 1241 break; 1242 1243 case 0x0128: 1244 case 0x0146: 1245 /* Hybrid GFX switching */ 1246 sony_call_snc_handle(handle, 0x0000, &result); 1247 dprintk("GFX switch event received (reason: %s)\n", 1248 (result == 0x1) ? "switch change" : 1249 (result == 0x2) ? "output switch" : 1250 (result == 0x3) ? "output switch" : 1251 ""); 1252 1253 ev_type = GFX_SWITCH; 1254 real_ev = __sony_nc_gfx_switch_status_get(); 1255 break; 1256 1257 case 0x015B: 1258 /* Hybrid GFX switching SVS151290S */ 1259 ev_type = GFX_SWITCH; 1260 real_ev = __sony_nc_gfx_switch_status_get(); 1261 break; 1262 default: 1263 dprintk("Unknown event 0x%x for handle 0x%x\n", 1264 event, handle); 1265 break; 1266 } 1267 1268 /* clear the event (and the event reason when present) */ 1269 arg = 1 << offset; 1270 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1271 1272 } else { 1273 /* old style event */ 1274 ev_type = HOTKEY; 1275 sony_laptop_report_input_event(real_ev); 1276 } 1277 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1278 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1279 } 1280 1281 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1282 void *context, void **return_value) 1283 { 1284 struct acpi_device_info *info; 1285 1286 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1287 pr_warn("method: name: %4.4s, args %X\n", 1288 (char *)&info->name, info->param_count); 1289 1290 kfree(info); 1291 } 1292 1293 return AE_OK; 1294 } 1295 1296 /* 1297 * ACPI device 1298 */ 1299 static void sony_nc_function_setup(struct acpi_device *device, 1300 struct platform_device *pf_device) 1301 { 1302 unsigned int i, result, bitmask, arg; 1303 1304 if (!handles) 1305 return; 1306 1307 /* setup found handles here */ 1308 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1309 unsigned int handle = handles->cap[i]; 1310 1311 if (!handle) 1312 continue; 1313 1314 dprintk("setting up handle 0x%.4x\n", handle); 1315 1316 switch (handle) { 1317 case 0x0100: 1318 case 0x0101: 1319 case 0x0127: 1320 /* setup hotkeys */ 1321 sony_call_snc_handle(handle, 0, &result); 1322 break; 1323 case 0x0102: 1324 /* setup hotkeys */ 1325 sony_call_snc_handle(handle, 0x100, &result); 1326 break; 1327 case 0x0105: 1328 case 0x0148: 1329 /* touchpad enable/disable */ 1330 result = sony_nc_touchpad_setup(pf_device, handle); 1331 if (result) 1332 pr_err("couldn't set up touchpad control function (%d)\n", 1333 result); 1334 break; 1335 case 0x0115: 1336 case 0x0136: 1337 case 0x013f: 1338 result = sony_nc_battery_care_setup(pf_device, handle); 1339 if (result) 1340 pr_err("couldn't set up battery care function (%d)\n", 1341 result); 1342 break; 1343 case 0x0119: 1344 result = sony_nc_lid_resume_setup(pf_device); 1345 if (result) 1346 pr_err("couldn't set up lid resume function (%d)\n", 1347 result); 1348 break; 1349 case 0x0122: 1350 result = sony_nc_thermal_setup(pf_device); 1351 if (result) 1352 pr_err("couldn't set up thermal profile function (%d)\n", 1353 result); 1354 break; 1355 case 0x0128: 1356 case 0x0146: 1357 case 0x015B: 1358 result = sony_nc_gfx_switch_setup(pf_device, handle); 1359 if (result) 1360 pr_err("couldn't set up GFX Switch status (%d)\n", 1361 result); 1362 break; 1363 case 0x0131: 1364 result = sony_nc_highspeed_charging_setup(pf_device); 1365 if (result) 1366 pr_err("couldn't set up high speed charging function (%d)\n", 1367 result); 1368 break; 1369 case 0x0124: 1370 case 0x0135: 1371 result = sony_nc_rfkill_setup(device, handle); 1372 if (result) 1373 pr_err("couldn't set up rfkill support (%d)\n", 1374 result); 1375 break; 1376 case 0x0137: 1377 case 0x0143: 1378 case 0x014b: 1379 case 0x014c: 1380 case 0x0163: 1381 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1382 if (result) 1383 pr_err("couldn't set up keyboard backlight function (%d)\n", 1384 result); 1385 break; 1386 default: 1387 continue; 1388 } 1389 } 1390 1391 /* Enable all events */ 1392 arg = 0x10; 1393 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1394 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1395 &result); 1396 } 1397 1398 static void sony_nc_function_cleanup(struct platform_device *pd) 1399 { 1400 unsigned int i, result, bitmask, handle; 1401 1402 /* get enabled events and disable them */ 1403 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1404 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1405 1406 /* cleanup handles here */ 1407 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1408 1409 handle = handles->cap[i]; 1410 1411 if (!handle) 1412 continue; 1413 1414 switch (handle) { 1415 case 0x0105: 1416 case 0x0148: 1417 sony_nc_touchpad_cleanup(pd); 1418 break; 1419 case 0x0115: 1420 case 0x0136: 1421 case 0x013f: 1422 sony_nc_battery_care_cleanup(pd); 1423 break; 1424 case 0x0119: 1425 sony_nc_lid_resume_cleanup(pd); 1426 break; 1427 case 0x0122: 1428 sony_nc_thermal_cleanup(pd); 1429 break; 1430 case 0x0128: 1431 case 0x0146: 1432 case 0x015B: 1433 sony_nc_gfx_switch_cleanup(pd); 1434 break; 1435 case 0x0131: 1436 sony_nc_highspeed_charging_cleanup(pd); 1437 break; 1438 case 0x0124: 1439 case 0x0135: 1440 sony_nc_rfkill_cleanup(); 1441 break; 1442 case 0x0137: 1443 case 0x0143: 1444 case 0x014b: 1445 case 0x014c: 1446 case 0x0163: 1447 sony_nc_kbd_backlight_cleanup(pd, handle); 1448 break; 1449 default: 1450 continue; 1451 } 1452 } 1453 1454 /* finally cleanup the handles list */ 1455 sony_nc_handles_cleanup(pd); 1456 } 1457 1458 #ifdef CONFIG_PM_SLEEP 1459 static void sony_nc_function_resume(void) 1460 { 1461 unsigned int i, result, bitmask, arg; 1462 1463 dprintk("Resuming SNC device\n"); 1464 1465 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1466 unsigned int handle = handles->cap[i]; 1467 1468 if (!handle) 1469 continue; 1470 1471 switch (handle) { 1472 case 0x0100: 1473 case 0x0101: 1474 case 0x0127: 1475 /* re-enable hotkeys */ 1476 sony_call_snc_handle(handle, 0, &result); 1477 break; 1478 case 0x0102: 1479 /* re-enable hotkeys */ 1480 sony_call_snc_handle(handle, 0x100, &result); 1481 break; 1482 case 0x0122: 1483 sony_nc_thermal_resume(); 1484 break; 1485 case 0x0124: 1486 case 0x0135: 1487 sony_nc_rfkill_update(); 1488 break; 1489 default: 1490 continue; 1491 } 1492 } 1493 1494 /* Enable all events */ 1495 arg = 0x10; 1496 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1497 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1498 &result); 1499 } 1500 1501 static int sony_nc_resume(struct device *dev) 1502 { 1503 struct sony_nc_value *item; 1504 1505 for (item = sony_nc_values; item->name; item++) { 1506 int ret; 1507 1508 if (!item->valid) 1509 continue; 1510 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1511 &item->value, NULL); 1512 if (ret < 0) { 1513 pr_err("%s: %d\n", __func__, ret); 1514 break; 1515 } 1516 } 1517 1518 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1519 int arg = 1; 1520 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1521 dprintk("ECON Method failed\n"); 1522 } 1523 1524 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1525 sony_nc_function_resume(); 1526 1527 return 0; 1528 } 1529 #endif 1530 1531 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1532 1533 static void sony_nc_rfkill_cleanup(void) 1534 { 1535 int i; 1536 1537 for (i = 0; i < N_SONY_RFKILL; i++) { 1538 if (sony_rfkill_devices[i]) { 1539 rfkill_unregister(sony_rfkill_devices[i]); 1540 rfkill_destroy(sony_rfkill_devices[i]); 1541 } 1542 } 1543 } 1544 1545 static int sony_nc_rfkill_set(void *data, bool blocked) 1546 { 1547 int result; 1548 int argument = sony_rfkill_address[(long) data] + 0x100; 1549 1550 if (!blocked) 1551 argument |= 0x070000; 1552 1553 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1554 } 1555 1556 static const struct rfkill_ops sony_rfkill_ops = { 1557 .set_block = sony_nc_rfkill_set, 1558 }; 1559 1560 static int sony_nc_setup_rfkill(struct acpi_device *device, 1561 enum sony_nc_rfkill nc_type) 1562 { 1563 int err = 0; 1564 struct rfkill *rfk; 1565 enum rfkill_type type; 1566 const char *name; 1567 int result; 1568 bool hwblock, swblock; 1569 1570 switch (nc_type) { 1571 case SONY_WIFI: 1572 type = RFKILL_TYPE_WLAN; 1573 name = "sony-wifi"; 1574 break; 1575 case SONY_BLUETOOTH: 1576 type = RFKILL_TYPE_BLUETOOTH; 1577 name = "sony-bluetooth"; 1578 break; 1579 case SONY_WWAN: 1580 type = RFKILL_TYPE_WWAN; 1581 name = "sony-wwan"; 1582 break; 1583 case SONY_WIMAX: 1584 type = RFKILL_TYPE_WIMAX; 1585 name = "sony-wimax"; 1586 break; 1587 default: 1588 return -EINVAL; 1589 } 1590 1591 rfk = rfkill_alloc(name, &device->dev, type, 1592 &sony_rfkill_ops, (void *)nc_type); 1593 if (!rfk) 1594 return -ENOMEM; 1595 1596 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1597 rfkill_destroy(rfk); 1598 return -1; 1599 } 1600 hwblock = !(result & 0x1); 1601 1602 if (sony_call_snc_handle(sony_rfkill_handle, 1603 sony_rfkill_address[nc_type], 1604 &result) < 0) { 1605 rfkill_destroy(rfk); 1606 return -1; 1607 } 1608 swblock = !(result & 0x2); 1609 1610 rfkill_init_sw_state(rfk, swblock); 1611 rfkill_set_hw_state(rfk, hwblock); 1612 1613 err = rfkill_register(rfk); 1614 if (err) { 1615 rfkill_destroy(rfk); 1616 return err; 1617 } 1618 sony_rfkill_devices[nc_type] = rfk; 1619 return err; 1620 } 1621 1622 static void sony_nc_rfkill_update(void) 1623 { 1624 enum sony_nc_rfkill i; 1625 int result; 1626 bool hwblock; 1627 1628 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1629 hwblock = !(result & 0x1); 1630 1631 for (i = 0; i < N_SONY_RFKILL; i++) { 1632 int argument = sony_rfkill_address[i]; 1633 1634 if (!sony_rfkill_devices[i]) 1635 continue; 1636 1637 if (hwblock) { 1638 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1639 /* we already know we're blocked */ 1640 } 1641 continue; 1642 } 1643 1644 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1645 rfkill_set_states(sony_rfkill_devices[i], 1646 !(result & 0x2), false); 1647 } 1648 } 1649 1650 static int sony_nc_rfkill_setup(struct acpi_device *device, 1651 unsigned int handle) 1652 { 1653 u64 offset; 1654 int i; 1655 unsigned char buffer[32] = { 0 }; 1656 1657 offset = sony_find_snc_handle(handle); 1658 sony_rfkill_handle = handle; 1659 1660 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1661 32); 1662 if (i < 0) 1663 return i; 1664 1665 /* The buffer is filled with magic numbers describing the devices 1666 * available, 0xff terminates the enumeration. 1667 * Known codes: 1668 * 0x00 WLAN 1669 * 0x10 BLUETOOTH 1670 * 0x20 WWAN GPRS-EDGE 1671 * 0x21 WWAN HSDPA 1672 * 0x22 WWAN EV-DO 1673 * 0x23 WWAN GPS 1674 * 0x25 Gobi WWAN no GPS 1675 * 0x26 Gobi WWAN + GPS 1676 * 0x28 Gobi WWAN no GPS 1677 * 0x29 Gobi WWAN + GPS 1678 * 0x30 WIMAX 1679 * 0x50 Gobi WWAN no GPS 1680 * 0x51 Gobi WWAN + GPS 1681 * 0x70 no SIM card slot 1682 * 0x71 SIM card slot 1683 */ 1684 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1685 1686 if (buffer[i] == 0xff) 1687 break; 1688 1689 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1690 1691 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1692 sony_nc_setup_rfkill(device, SONY_WIFI); 1693 1694 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1695 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1696 1697 if (((0xf0 & buffer[i]) == 0x20 || 1698 (0xf0 & buffer[i]) == 0x50) && 1699 !sony_rfkill_devices[SONY_WWAN]) 1700 sony_nc_setup_rfkill(device, SONY_WWAN); 1701 1702 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1703 sony_nc_setup_rfkill(device, SONY_WIMAX); 1704 } 1705 return 0; 1706 } 1707 1708 /* Keyboard backlight feature */ 1709 struct kbd_backlight { 1710 unsigned int handle; 1711 unsigned int base; 1712 unsigned int mode; 1713 unsigned int timeout; 1714 struct device_attribute mode_attr; 1715 struct device_attribute timeout_attr; 1716 }; 1717 1718 static struct kbd_backlight *kbdbl_ctl; 1719 1720 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1721 { 1722 int result; 1723 1724 if (value > 1) 1725 return -EINVAL; 1726 1727 if (sony_call_snc_handle(kbdbl_ctl->handle, 1728 (value << 0x10) | (kbdbl_ctl->base), &result)) 1729 return -EIO; 1730 1731 /* Try to turn the light on/off immediately */ 1732 sony_call_snc_handle(kbdbl_ctl->handle, 1733 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); 1734 1735 kbdbl_ctl->mode = value; 1736 1737 return 0; 1738 } 1739 1740 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1741 struct device_attribute *attr, 1742 const char *buffer, size_t count) 1743 { 1744 int ret = 0; 1745 unsigned long value; 1746 1747 if (count > 31) 1748 return -EINVAL; 1749 1750 if (kstrtoul(buffer, 10, &value)) 1751 return -EINVAL; 1752 1753 ret = __sony_nc_kbd_backlight_mode_set(value); 1754 if (ret < 0) 1755 return ret; 1756 1757 return count; 1758 } 1759 1760 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1761 struct device_attribute *attr, char *buffer) 1762 { 1763 ssize_t count = 0; 1764 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1765 return count; 1766 } 1767 1768 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1769 { 1770 int result; 1771 1772 if (value > 3) 1773 return -EINVAL; 1774 1775 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1776 (kbdbl_ctl->base + 0x200), &result)) 1777 return -EIO; 1778 1779 kbdbl_ctl->timeout = value; 1780 1781 return 0; 1782 } 1783 1784 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1785 struct device_attribute *attr, 1786 const char *buffer, size_t count) 1787 { 1788 int ret = 0; 1789 unsigned long value; 1790 1791 if (count > 31) 1792 return -EINVAL; 1793 1794 if (kstrtoul(buffer, 10, &value)) 1795 return -EINVAL; 1796 1797 ret = __sony_nc_kbd_backlight_timeout_set(value); 1798 if (ret < 0) 1799 return ret; 1800 1801 return count; 1802 } 1803 1804 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1805 struct device_attribute *attr, char *buffer) 1806 { 1807 ssize_t count = 0; 1808 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1809 return count; 1810 } 1811 1812 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1813 unsigned int handle) 1814 { 1815 int result; 1816 int ret = 0; 1817 1818 if (kbdbl_ctl) { 1819 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1820 handle, kbdbl_ctl->handle); 1821 return -EBUSY; 1822 } 1823 1824 /* verify the kbd backlight presence, these handles are not used for 1825 * keyboard backlight only 1826 */ 1827 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1828 &result); 1829 if (ret) 1830 return ret; 1831 1832 if ((handle == 0x0137 && !(result & 0x02)) || 1833 !(result & 0x01)) { 1834 dprintk("no backlight keyboard found\n"); 1835 return 0; 1836 } 1837 1838 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1839 if (!kbdbl_ctl) 1840 return -ENOMEM; 1841 1842 kbdbl_ctl->mode = kbd_backlight; 1843 kbdbl_ctl->timeout = kbd_backlight_timeout; 1844 kbdbl_ctl->handle = handle; 1845 if (handle == 0x0137) 1846 kbdbl_ctl->base = 0x0C00; 1847 else 1848 kbdbl_ctl->base = 0x4000; 1849 1850 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1851 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1852 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1853 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1854 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1855 1856 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1857 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1858 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1859 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1860 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1861 1862 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1863 if (ret) 1864 goto outkzalloc; 1865 1866 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1867 if (ret) 1868 goto outmode; 1869 1870 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1871 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1872 1873 return 0; 1874 1875 outmode: 1876 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1877 outkzalloc: 1878 kfree(kbdbl_ctl); 1879 kbdbl_ctl = NULL; 1880 return ret; 1881 } 1882 1883 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1884 unsigned int handle) 1885 { 1886 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1887 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1888 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1889 kfree(kbdbl_ctl); 1890 kbdbl_ctl = NULL; 1891 } 1892 } 1893 1894 struct battery_care_control { 1895 struct device_attribute attrs[2]; 1896 unsigned int handle; 1897 }; 1898 static struct battery_care_control *bcare_ctl; 1899 1900 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1901 struct device_attribute *attr, 1902 const char *buffer, size_t count) 1903 { 1904 unsigned int result, cmd; 1905 unsigned long value; 1906 1907 if (count > 31) 1908 return -EINVAL; 1909 1910 if (kstrtoul(buffer, 10, &value)) 1911 return -EINVAL; 1912 1913 /* limit values (2 bits): 1914 * 00 - none 1915 * 01 - 80% 1916 * 10 - 50% 1917 * 11 - 100% 1918 * 1919 * bit 0: 0 disable BCL, 1 enable BCL 1920 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1921 * bits 2,3: reserved 1922 * bits 4,5: store the limit into the EC 1923 * bits 6,7: store the limit into the battery 1924 */ 1925 cmd = 0; 1926 1927 if (value > 0) { 1928 if (value <= 50) 1929 cmd = 0x20; 1930 1931 else if (value <= 80) 1932 cmd = 0x10; 1933 1934 else if (value <= 100) 1935 cmd = 0x30; 1936 1937 else 1938 return -EINVAL; 1939 1940 /* 1941 * handle 0x0115 should allow storing on battery too; 1942 * handle 0x0136 same as 0x0115 + health status; 1943 * handle 0x013f, same as 0x0136 but no storing on the battery 1944 */ 1945 if (bcare_ctl->handle != 0x013f) 1946 cmd = cmd | (cmd << 2); 1947 1948 cmd = (cmd | 0x1) << 0x10; 1949 } 1950 1951 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 1952 return -EIO; 1953 1954 return count; 1955 } 1956 1957 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 1958 struct device_attribute *attr, char *buffer) 1959 { 1960 unsigned int result, status; 1961 1962 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 1963 return -EIO; 1964 1965 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 1966 switch (status) { 1967 case 1: 1968 status = 80; 1969 break; 1970 case 2: 1971 status = 50; 1972 break; 1973 case 3: 1974 status = 100; 1975 break; 1976 default: 1977 status = 0; 1978 break; 1979 } 1980 1981 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 1982 } 1983 1984 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 1985 struct device_attribute *attr, char *buffer) 1986 { 1987 ssize_t count = 0; 1988 unsigned int health; 1989 1990 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 1991 return -EIO; 1992 1993 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 1994 1995 return count; 1996 } 1997 1998 static int sony_nc_battery_care_setup(struct platform_device *pd, 1999 unsigned int handle) 2000 { 2001 int ret = 0; 2002 2003 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2004 if (!bcare_ctl) 2005 return -ENOMEM; 2006 2007 bcare_ctl->handle = handle; 2008 2009 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2010 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2011 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2012 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2013 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2014 2015 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2016 if (ret) 2017 goto outkzalloc; 2018 2019 /* 0x0115 is for models with no health reporting capability */ 2020 if (handle == 0x0115) 2021 return 0; 2022 2023 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2024 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2025 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2026 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2027 2028 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2029 if (ret) 2030 goto outlimiter; 2031 2032 return 0; 2033 2034 outlimiter: 2035 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2036 2037 outkzalloc: 2038 kfree(bcare_ctl); 2039 bcare_ctl = NULL; 2040 2041 return ret; 2042 } 2043 2044 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2045 { 2046 if (bcare_ctl) { 2047 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2048 if (bcare_ctl->handle != 0x0115) 2049 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2050 2051 kfree(bcare_ctl); 2052 bcare_ctl = NULL; 2053 } 2054 } 2055 2056 struct snc_thermal_ctrl { 2057 unsigned int mode; 2058 unsigned int profiles; 2059 struct device_attribute mode_attr; 2060 struct device_attribute profiles_attr; 2061 }; 2062 static struct snc_thermal_ctrl *th_handle; 2063 2064 #define THM_PROFILE_MAX 3 2065 static const char * const snc_thermal_profiles[] = { 2066 "balanced", 2067 "silent", 2068 "performance" 2069 }; 2070 2071 static int sony_nc_thermal_mode_set(unsigned short mode) 2072 { 2073 unsigned int result; 2074 2075 /* the thermal profile seems to be a two bit bitmask: 2076 * lsb -> silent 2077 * msb -> performance 2078 * no bit set is the normal operation and is always valid 2079 * Some vaio models only have "balanced" and "performance" 2080 */ 2081 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2082 return -EINVAL; 2083 2084 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2085 return -EIO; 2086 2087 th_handle->mode = mode; 2088 2089 return 0; 2090 } 2091 2092 static int sony_nc_thermal_mode_get(void) 2093 { 2094 unsigned int result; 2095 2096 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2097 return -EIO; 2098 2099 return result & 0xff; 2100 } 2101 2102 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2103 struct device_attribute *attr, char *buffer) 2104 { 2105 short cnt; 2106 size_t idx = 0; 2107 2108 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2109 if (!cnt || (th_handle->profiles & cnt)) 2110 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2111 snc_thermal_profiles[cnt]); 2112 } 2113 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2114 2115 return idx; 2116 } 2117 2118 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2119 struct device_attribute *attr, 2120 const char *buffer, size_t count) 2121 { 2122 unsigned short cmd; 2123 size_t len = count; 2124 2125 if (count == 0) 2126 return -EINVAL; 2127 2128 /* skip the newline if present */ 2129 if (buffer[len - 1] == '\n') 2130 len--; 2131 2132 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2133 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2134 break; 2135 2136 if (sony_nc_thermal_mode_set(cmd)) 2137 return -EIO; 2138 2139 return count; 2140 } 2141 2142 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2143 struct device_attribute *attr, char *buffer) 2144 { 2145 ssize_t count = 0; 2146 int mode = sony_nc_thermal_mode_get(); 2147 2148 if (mode < 0) 2149 return mode; 2150 2151 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2152 2153 return count; 2154 } 2155 2156 static int sony_nc_thermal_setup(struct platform_device *pd) 2157 { 2158 int ret = 0; 2159 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2160 if (!th_handle) 2161 return -ENOMEM; 2162 2163 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2164 if (ret) { 2165 pr_warn("couldn't to read the thermal profiles\n"); 2166 goto outkzalloc; 2167 } 2168 2169 ret = sony_nc_thermal_mode_get(); 2170 if (ret < 0) { 2171 pr_warn("couldn't to read the current thermal profile"); 2172 goto outkzalloc; 2173 } 2174 th_handle->mode = ret; 2175 2176 sysfs_attr_init(&th_handle->profiles_attr.attr); 2177 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2178 th_handle->profiles_attr.attr.mode = S_IRUGO; 2179 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2180 2181 sysfs_attr_init(&th_handle->mode_attr.attr); 2182 th_handle->mode_attr.attr.name = "thermal_control"; 2183 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2184 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2185 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2186 2187 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2188 if (ret) 2189 goto outkzalloc; 2190 2191 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2192 if (ret) 2193 goto outprofiles; 2194 2195 return 0; 2196 2197 outprofiles: 2198 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2199 outkzalloc: 2200 kfree(th_handle); 2201 th_handle = NULL; 2202 return ret; 2203 } 2204 2205 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2206 { 2207 if (th_handle) { 2208 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2209 device_remove_file(&pd->dev, &th_handle->mode_attr); 2210 kfree(th_handle); 2211 th_handle = NULL; 2212 } 2213 } 2214 2215 #ifdef CONFIG_PM_SLEEP 2216 static void sony_nc_thermal_resume(void) 2217 { 2218 unsigned int status = sony_nc_thermal_mode_get(); 2219 2220 if (status != th_handle->mode) 2221 sony_nc_thermal_mode_set(th_handle->mode); 2222 } 2223 #endif 2224 2225 /* resume on LID open */ 2226 struct snc_lid_resume_control { 2227 struct device_attribute attrs[3]; 2228 unsigned int status; 2229 }; 2230 static struct snc_lid_resume_control *lid_ctl; 2231 2232 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2233 struct device_attribute *attr, 2234 const char *buffer, size_t count) 2235 { 2236 unsigned int result, pos; 2237 unsigned long value; 2238 if (count > 31) 2239 return -EINVAL; 2240 2241 if (kstrtoul(buffer, 10, &value) || value > 1) 2242 return -EINVAL; 2243 2244 /* the value we have to write to SNC is a bitmask: 2245 * +--------------+ 2246 * | S3 | S4 | S5 | 2247 * +--------------+ 2248 * 2 1 0 2249 */ 2250 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2251 pos = 2; 2252 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2253 pos = 1; 2254 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2255 pos = 0; 2256 else 2257 return -EINVAL; 2258 2259 if (value) 2260 value = lid_ctl->status | (1 << pos); 2261 else 2262 value = lid_ctl->status & ~(1 << pos); 2263 2264 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) 2265 return -EIO; 2266 2267 lid_ctl->status = value; 2268 2269 return count; 2270 } 2271 2272 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2273 struct device_attribute *attr, char *buffer) 2274 { 2275 unsigned int pos; 2276 2277 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2278 pos = 2; 2279 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2280 pos = 1; 2281 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2282 pos = 0; 2283 else 2284 return -EINVAL; 2285 2286 return snprintf(buffer, PAGE_SIZE, "%d\n", 2287 (lid_ctl->status >> pos) & 0x01); 2288 } 2289 2290 static int sony_nc_lid_resume_setup(struct platform_device *pd) 2291 { 2292 unsigned int result; 2293 int i; 2294 2295 if (sony_call_snc_handle(0x0119, 0x0000, &result)) 2296 return -EIO; 2297 2298 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2299 if (!lid_ctl) 2300 return -ENOMEM; 2301 2302 lid_ctl->status = result & 0x7; 2303 2304 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2305 lid_ctl->attrs[0].attr.name = "lid_resume_S3"; 2306 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2307 lid_ctl->attrs[0].show = sony_nc_lid_resume_show; 2308 lid_ctl->attrs[0].store = sony_nc_lid_resume_store; 2309 2310 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2311 lid_ctl->attrs[1].attr.name = "lid_resume_S4"; 2312 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; 2313 lid_ctl->attrs[1].show = sony_nc_lid_resume_show; 2314 lid_ctl->attrs[1].store = sony_nc_lid_resume_store; 2315 2316 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2317 lid_ctl->attrs[2].attr.name = "lid_resume_S5"; 2318 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; 2319 lid_ctl->attrs[2].show = sony_nc_lid_resume_show; 2320 lid_ctl->attrs[2].store = sony_nc_lid_resume_store; 2321 2322 for (i = 0; i < 3; i++) { 2323 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2324 if (result) 2325 goto liderror; 2326 } 2327 2328 return 0; 2329 2330 liderror: 2331 for (i--; i >= 0; i--) 2332 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2333 2334 kfree(lid_ctl); 2335 lid_ctl = NULL; 2336 2337 return result; 2338 } 2339 2340 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2341 { 2342 int i; 2343 2344 if (lid_ctl) { 2345 for (i = 0; i < 3; i++) 2346 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2347 2348 kfree(lid_ctl); 2349 lid_ctl = NULL; 2350 } 2351 } 2352 2353 /* GFX Switch position */ 2354 enum gfx_switch { 2355 SPEED, 2356 STAMINA, 2357 AUTO 2358 }; 2359 struct snc_gfx_switch_control { 2360 struct device_attribute attr; 2361 unsigned int handle; 2362 }; 2363 static struct snc_gfx_switch_control *gfxs_ctl; 2364 2365 /* returns 0 for speed, 1 for stamina */ 2366 static int __sony_nc_gfx_switch_status_get(void) 2367 { 2368 unsigned int result; 2369 2370 if (sony_call_snc_handle(gfxs_ctl->handle, 2371 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2372 &result)) 2373 return -EIO; 2374 2375 switch (gfxs_ctl->handle) { 2376 case 0x0146: 2377 /* 1: discrete GFX (speed) 2378 * 0: integrated GFX (stamina) 2379 */ 2380 return result & 0x1 ? SPEED : STAMINA; 2381 break; 2382 case 0x015B: 2383 /* 0: discrete GFX (speed) 2384 * 1: integrated GFX (stamina) 2385 */ 2386 return result & 0x1 ? STAMINA : SPEED; 2387 break; 2388 case 0x0128: 2389 /* it's a more elaborated bitmask, for now: 2390 * 2: integrated GFX (stamina) 2391 * 0: discrete GFX (speed) 2392 */ 2393 dprintk("GFX Status: 0x%x\n", result); 2394 return result & 0x80 ? AUTO : 2395 result & 0x02 ? STAMINA : SPEED; 2396 break; 2397 } 2398 return -EINVAL; 2399 } 2400 2401 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2402 struct device_attribute *attr, 2403 char *buffer) 2404 { 2405 int pos = __sony_nc_gfx_switch_status_get(); 2406 2407 if (pos < 0) 2408 return pos; 2409 2410 return snprintf(buffer, PAGE_SIZE, "%s\n", 2411 pos == SPEED ? "speed" : 2412 pos == STAMINA ? "stamina" : 2413 pos == AUTO ? "auto" : "unknown"); 2414 } 2415 2416 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2417 unsigned int handle) 2418 { 2419 unsigned int result; 2420 2421 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2422 if (!gfxs_ctl) 2423 return -ENOMEM; 2424 2425 gfxs_ctl->handle = handle; 2426 2427 sysfs_attr_init(&gfxs_ctl->attr.attr); 2428 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2429 gfxs_ctl->attr.attr.mode = S_IRUGO; 2430 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2431 2432 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2433 if (result) 2434 goto gfxerror; 2435 2436 return 0; 2437 2438 gfxerror: 2439 kfree(gfxs_ctl); 2440 gfxs_ctl = NULL; 2441 2442 return result; 2443 } 2444 2445 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2446 { 2447 if (gfxs_ctl) { 2448 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2449 2450 kfree(gfxs_ctl); 2451 gfxs_ctl = NULL; 2452 } 2453 } 2454 2455 /* High speed charging function */ 2456 static struct device_attribute *hsc_handle; 2457 2458 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2459 struct device_attribute *attr, 2460 const char *buffer, size_t count) 2461 { 2462 unsigned int result; 2463 unsigned long value; 2464 2465 if (count > 31) 2466 return -EINVAL; 2467 2468 if (kstrtoul(buffer, 10, &value) || value > 1) 2469 return -EINVAL; 2470 2471 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2472 return -EIO; 2473 2474 return count; 2475 } 2476 2477 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2478 struct device_attribute *attr, char *buffer) 2479 { 2480 unsigned int result; 2481 2482 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2483 return -EIO; 2484 2485 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2486 } 2487 2488 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2489 { 2490 unsigned int result; 2491 2492 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2493 /* some models advertise the handle but have no implementation 2494 * for it 2495 */ 2496 pr_info("No High Speed Charging capability found\n"); 2497 return 0; 2498 } 2499 2500 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2501 if (!hsc_handle) 2502 return -ENOMEM; 2503 2504 sysfs_attr_init(&hsc_handle->attr); 2505 hsc_handle->attr.name = "battery_highspeed_charging"; 2506 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2507 hsc_handle->show = sony_nc_highspeed_charging_show; 2508 hsc_handle->store = sony_nc_highspeed_charging_store; 2509 2510 result = device_create_file(&pd->dev, hsc_handle); 2511 if (result) { 2512 kfree(hsc_handle); 2513 hsc_handle = NULL; 2514 return result; 2515 } 2516 2517 return 0; 2518 } 2519 2520 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2521 { 2522 if (hsc_handle) { 2523 device_remove_file(&pd->dev, hsc_handle); 2524 kfree(hsc_handle); 2525 hsc_handle = NULL; 2526 } 2527 } 2528 2529 /* Touchpad enable/disable */ 2530 struct touchpad_control { 2531 struct device_attribute attr; 2532 int handle; 2533 }; 2534 static struct touchpad_control *tp_ctl; 2535 2536 static ssize_t sony_nc_touchpad_store(struct device *dev, 2537 struct device_attribute *attr, const char *buffer, size_t count) 2538 { 2539 unsigned int result; 2540 unsigned long value; 2541 2542 if (count > 31) 2543 return -EINVAL; 2544 2545 if (kstrtoul(buffer, 10, &value) || value > 1) 2546 return -EINVAL; 2547 2548 /* sysfs: 0 disabled, 1 enabled 2549 * EC: 0 enabled, 1 disabled 2550 */ 2551 if (sony_call_snc_handle(tp_ctl->handle, 2552 (!value << 0x10) | 0x100, &result)) 2553 return -EIO; 2554 2555 return count; 2556 } 2557 2558 static ssize_t sony_nc_touchpad_show(struct device *dev, 2559 struct device_attribute *attr, char *buffer) 2560 { 2561 unsigned int result; 2562 2563 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2564 return -EINVAL; 2565 2566 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2567 } 2568 2569 static int sony_nc_touchpad_setup(struct platform_device *pd, 2570 unsigned int handle) 2571 { 2572 int ret = 0; 2573 2574 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2575 if (!tp_ctl) 2576 return -ENOMEM; 2577 2578 tp_ctl->handle = handle; 2579 2580 sysfs_attr_init(&tp_ctl->attr.attr); 2581 tp_ctl->attr.attr.name = "touchpad"; 2582 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 2583 tp_ctl->attr.show = sony_nc_touchpad_show; 2584 tp_ctl->attr.store = sony_nc_touchpad_store; 2585 2586 ret = device_create_file(&pd->dev, &tp_ctl->attr); 2587 if (ret) { 2588 kfree(tp_ctl); 2589 tp_ctl = NULL; 2590 } 2591 2592 return ret; 2593 } 2594 2595 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 2596 { 2597 if (tp_ctl) { 2598 device_remove_file(&pd->dev, &tp_ctl->attr); 2599 kfree(tp_ctl); 2600 tp_ctl = NULL; 2601 } 2602 } 2603 2604 static void sony_nc_backlight_ng_read_limits(int handle, 2605 struct sony_backlight_props *props) 2606 { 2607 u64 offset; 2608 int i; 2609 int lvl_table_len = 0; 2610 u8 min = 0xff, max = 0x00; 2611 unsigned char buffer[32] = { 0 }; 2612 2613 props->handle = handle; 2614 props->offset = 0; 2615 props->maxlvl = 0xff; 2616 2617 offset = sony_find_snc_handle(handle); 2618 2619 /* try to read the boundaries from ACPI tables, if we fail the above 2620 * defaults should be reasonable 2621 */ 2622 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 2623 32); 2624 if (i < 0) 2625 return; 2626 2627 switch (handle) { 2628 case 0x012f: 2629 case 0x0137: 2630 lvl_table_len = 9; 2631 break; 2632 case 0x143: 2633 case 0x14b: 2634 case 0x14c: 2635 lvl_table_len = 16; 2636 break; 2637 } 2638 2639 /* the buffer lists brightness levels available, brightness levels are 2640 * from position 0 to 8 in the array, other values are used by ALS 2641 * control. 2642 */ 2643 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 2644 2645 dprintk("Brightness level: %d\n", buffer[i]); 2646 2647 if (!buffer[i]) 2648 break; 2649 2650 if (buffer[i] > max) 2651 max = buffer[i]; 2652 if (buffer[i] < min) 2653 min = buffer[i]; 2654 } 2655 props->offset = min; 2656 props->maxlvl = max; 2657 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 2658 props->maxlvl); 2659 } 2660 2661 static void sony_nc_backlight_setup(void) 2662 { 2663 int max_brightness = 0; 2664 const struct backlight_ops *ops = NULL; 2665 struct backlight_properties props; 2666 2667 if (sony_find_snc_handle(0x12f) >= 0) { 2668 ops = &sony_backlight_ng_ops; 2669 sony_bl_props.cmd_base = 0x0100; 2670 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 2671 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2672 2673 } else if (sony_find_snc_handle(0x137) >= 0) { 2674 ops = &sony_backlight_ng_ops; 2675 sony_bl_props.cmd_base = 0x0100; 2676 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 2677 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2678 2679 } else if (sony_find_snc_handle(0x143) >= 0) { 2680 ops = &sony_backlight_ng_ops; 2681 sony_bl_props.cmd_base = 0x3000; 2682 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 2683 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2684 2685 } else if (sony_find_snc_handle(0x14b) >= 0) { 2686 ops = &sony_backlight_ng_ops; 2687 sony_bl_props.cmd_base = 0x3000; 2688 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 2689 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2690 2691 } else if (sony_find_snc_handle(0x14c) >= 0) { 2692 ops = &sony_backlight_ng_ops; 2693 sony_bl_props.cmd_base = 0x3000; 2694 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 2695 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2696 2697 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 2698 ops = &sony_backlight_ops; 2699 max_brightness = SONY_MAX_BRIGHTNESS - 1; 2700 2701 } else 2702 return; 2703 2704 memset(&props, 0, sizeof(struct backlight_properties)); 2705 props.type = BACKLIGHT_PLATFORM; 2706 props.max_brightness = max_brightness; 2707 sony_bl_props.dev = backlight_device_register("sony", NULL, 2708 &sony_bl_props, 2709 ops, &props); 2710 2711 if (IS_ERR(sony_bl_props.dev)) { 2712 pr_warn("unable to register backlight device\n"); 2713 sony_bl_props.dev = NULL; 2714 } else 2715 sony_bl_props.dev->props.brightness = 2716 ops->get_brightness(sony_bl_props.dev); 2717 } 2718 2719 static void sony_nc_backlight_cleanup(void) 2720 { 2721 if (sony_bl_props.dev) 2722 backlight_device_unregister(sony_bl_props.dev); 2723 } 2724 2725 static int sony_nc_add(struct acpi_device *device) 2726 { 2727 acpi_status status; 2728 int result = 0; 2729 struct sony_nc_value *item; 2730 2731 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2732 2733 sony_nc_acpi_device = device; 2734 strcpy(acpi_device_class(device), "sony/hotkey"); 2735 2736 sony_nc_acpi_handle = device->handle; 2737 2738 /* read device status */ 2739 result = acpi_bus_get_status(device); 2740 /* bail IFF the above call was successful and the device is not present */ 2741 if (!result && !device->status.present) { 2742 dprintk("Device not present\n"); 2743 result = -ENODEV; 2744 goto outwalk; 2745 } 2746 2747 result = sony_pf_add(); 2748 if (result) 2749 goto outpresent; 2750 2751 if (debug) { 2752 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 2753 sony_nc_acpi_handle, 1, sony_walk_callback, 2754 NULL, NULL, NULL); 2755 if (ACPI_FAILURE(status)) { 2756 pr_warn("unable to walk acpi resources\n"); 2757 result = -ENODEV; 2758 goto outpresent; 2759 } 2760 } 2761 2762 result = sony_laptop_setup_input(device); 2763 if (result) { 2764 pr_err("Unable to create input devices\n"); 2765 goto outplatform; 2766 } 2767 2768 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 2769 int arg = 1; 2770 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 2771 dprintk("ECON Method failed\n"); 2772 } 2773 2774 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 2775 dprintk("Doing SNC setup\n"); 2776 /* retrieve the available handles */ 2777 result = sony_nc_handles_setup(sony_pf_device); 2778 if (!result) 2779 sony_nc_function_setup(device, sony_pf_device); 2780 } 2781 2782 /* setup input devices and helper fifo */ 2783 if (acpi_video_backlight_support()) { 2784 pr_info("brightness ignored, must be controlled by ACPI video driver\n"); 2785 } else { 2786 sony_nc_backlight_setup(); 2787 } 2788 2789 /* create sony_pf sysfs attributes related to the SNC device */ 2790 for (item = sony_nc_values; item->name; ++item) { 2791 2792 if (!debug && item->debug) 2793 continue; 2794 2795 /* find the available acpiget as described in the DSDT */ 2796 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 2797 if (acpi_has_method(sony_nc_acpi_handle, 2798 *item->acpiget)) { 2799 dprintk("Found %s getter: %s\n", 2800 item->name, *item->acpiget); 2801 item->devattr.attr.mode |= S_IRUGO; 2802 break; 2803 } 2804 } 2805 2806 /* find the available acpiset as described in the DSDT */ 2807 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 2808 if (acpi_has_method(sony_nc_acpi_handle, 2809 *item->acpiset)) { 2810 dprintk("Found %s setter: %s\n", 2811 item->name, *item->acpiset); 2812 item->devattr.attr.mode |= S_IWUSR; 2813 break; 2814 } 2815 } 2816 2817 if (item->devattr.attr.mode != 0) { 2818 result = 2819 device_create_file(&sony_pf_device->dev, 2820 &item->devattr); 2821 if (result) 2822 goto out_sysfs; 2823 } 2824 } 2825 2826 return 0; 2827 2828 out_sysfs: 2829 for (item = sony_nc_values; item->name; ++item) { 2830 device_remove_file(&sony_pf_device->dev, &item->devattr); 2831 } 2832 sony_nc_backlight_cleanup(); 2833 sony_nc_function_cleanup(sony_pf_device); 2834 sony_nc_handles_cleanup(sony_pf_device); 2835 2836 outplatform: 2837 sony_laptop_remove_input(); 2838 2839 outpresent: 2840 sony_pf_remove(); 2841 2842 outwalk: 2843 sony_nc_rfkill_cleanup(); 2844 return result; 2845 } 2846 2847 static int sony_nc_remove(struct acpi_device *device) 2848 { 2849 struct sony_nc_value *item; 2850 2851 sony_nc_backlight_cleanup(); 2852 2853 sony_nc_acpi_device = NULL; 2854 2855 for (item = sony_nc_values; item->name; ++item) { 2856 device_remove_file(&sony_pf_device->dev, &item->devattr); 2857 } 2858 2859 sony_nc_function_cleanup(sony_pf_device); 2860 sony_nc_handles_cleanup(sony_pf_device); 2861 sony_pf_remove(); 2862 sony_laptop_remove_input(); 2863 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 2864 2865 return 0; 2866 } 2867 2868 static const struct acpi_device_id sony_device_ids[] = { 2869 {SONY_NC_HID, 0}, 2870 {SONY_PIC_HID, 0}, 2871 {"", 0}, 2872 }; 2873 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 2874 2875 static const struct acpi_device_id sony_nc_device_ids[] = { 2876 {SONY_NC_HID, 0}, 2877 {"", 0}, 2878 }; 2879 2880 static struct acpi_driver sony_nc_driver = { 2881 .name = SONY_NC_DRIVER_NAME, 2882 .class = SONY_NC_CLASS, 2883 .ids = sony_nc_device_ids, 2884 .owner = THIS_MODULE, 2885 .ops = { 2886 .add = sony_nc_add, 2887 .remove = sony_nc_remove, 2888 .notify = sony_nc_notify, 2889 }, 2890 .drv.pm = &sony_nc_pm, 2891 }; 2892 2893 /*********** SPIC (SNY6001) Device ***********/ 2894 2895 #define SONYPI_DEVICE_TYPE1 0x00000001 2896 #define SONYPI_DEVICE_TYPE2 0x00000002 2897 #define SONYPI_DEVICE_TYPE3 0x00000004 2898 2899 #define SONYPI_TYPE1_OFFSET 0x04 2900 #define SONYPI_TYPE2_OFFSET 0x12 2901 #define SONYPI_TYPE3_OFFSET 0x12 2902 2903 struct sony_pic_ioport { 2904 struct acpi_resource_io io1; 2905 struct acpi_resource_io io2; 2906 struct list_head list; 2907 }; 2908 2909 struct sony_pic_irq { 2910 struct acpi_resource_irq irq; 2911 struct list_head list; 2912 }; 2913 2914 struct sonypi_eventtypes { 2915 u8 data; 2916 unsigned long mask; 2917 struct sonypi_event *events; 2918 }; 2919 2920 struct sony_pic_dev { 2921 struct acpi_device *acpi_dev; 2922 struct sony_pic_irq *cur_irq; 2923 struct sony_pic_ioport *cur_ioport; 2924 struct list_head interrupts; 2925 struct list_head ioports; 2926 struct mutex lock; 2927 struct sonypi_eventtypes *event_types; 2928 int (*handle_irq)(const u8, const u8); 2929 int model; 2930 u16 evport_offset; 2931 u8 camera_power; 2932 u8 bluetooth_power; 2933 u8 wwan_power; 2934 }; 2935 2936 static struct sony_pic_dev spic_dev = { 2937 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 2938 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 2939 }; 2940 2941 static int spic_drv_registered; 2942 2943 /* Event masks */ 2944 #define SONYPI_JOGGER_MASK 0x00000001 2945 #define SONYPI_CAPTURE_MASK 0x00000002 2946 #define SONYPI_FNKEY_MASK 0x00000004 2947 #define SONYPI_BLUETOOTH_MASK 0x00000008 2948 #define SONYPI_PKEY_MASK 0x00000010 2949 #define SONYPI_BACK_MASK 0x00000020 2950 #define SONYPI_HELP_MASK 0x00000040 2951 #define SONYPI_LID_MASK 0x00000080 2952 #define SONYPI_ZOOM_MASK 0x00000100 2953 #define SONYPI_THUMBPHRASE_MASK 0x00000200 2954 #define SONYPI_MEYE_MASK 0x00000400 2955 #define SONYPI_MEMORYSTICK_MASK 0x00000800 2956 #define SONYPI_BATTERY_MASK 0x00001000 2957 #define SONYPI_WIRELESS_MASK 0x00002000 2958 2959 struct sonypi_event { 2960 u8 data; 2961 u8 event; 2962 }; 2963 2964 /* The set of possible button release events */ 2965 static struct sonypi_event sonypi_releaseev[] = { 2966 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 2967 { 0, 0 } 2968 }; 2969 2970 /* The set of possible jogger events */ 2971 static struct sonypi_event sonypi_joggerev[] = { 2972 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 2973 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 2974 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 2975 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 2976 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 2977 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 2978 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 2979 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 2980 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 2981 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 2982 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 2983 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 2984 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 2985 { 0, 0 } 2986 }; 2987 2988 /* The set of possible capture button events */ 2989 static struct sonypi_event sonypi_captureev[] = { 2990 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 2991 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 2992 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 2993 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 2994 { 0, 0 } 2995 }; 2996 2997 /* The set of possible fnkeys events */ 2998 static struct sonypi_event sonypi_fnkeyev[] = { 2999 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3000 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3001 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3002 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3003 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3004 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3005 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3006 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3007 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3008 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3009 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3010 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3011 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3012 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3013 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3014 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3015 { 0x31, SONYPI_EVENT_FNKEY_D }, 3016 { 0x32, SONYPI_EVENT_FNKEY_E }, 3017 { 0x33, SONYPI_EVENT_FNKEY_F }, 3018 { 0x34, SONYPI_EVENT_FNKEY_S }, 3019 { 0x35, SONYPI_EVENT_FNKEY_B }, 3020 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3021 { 0, 0 } 3022 }; 3023 3024 /* The set of possible program key events */ 3025 static struct sonypi_event sonypi_pkeyev[] = { 3026 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3027 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3028 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3029 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3030 { 0, 0 } 3031 }; 3032 3033 /* The set of possible bluetooth events */ 3034 static struct sonypi_event sonypi_blueev[] = { 3035 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3036 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3037 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3038 { 0, 0 } 3039 }; 3040 3041 /* The set of possible wireless events */ 3042 static struct sonypi_event sonypi_wlessev[] = { 3043 { 0x59, SONYPI_EVENT_IGNORE }, 3044 { 0x5a, SONYPI_EVENT_IGNORE }, 3045 { 0, 0 } 3046 }; 3047 3048 /* The set of possible back button events */ 3049 static struct sonypi_event sonypi_backev[] = { 3050 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3051 { 0, 0 } 3052 }; 3053 3054 /* The set of possible help button events */ 3055 static struct sonypi_event sonypi_helpev[] = { 3056 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3057 { 0, 0 } 3058 }; 3059 3060 3061 /* The set of possible lid events */ 3062 static struct sonypi_event sonypi_lidev[] = { 3063 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3064 { 0x50, SONYPI_EVENT_LID_OPENED }, 3065 { 0, 0 } 3066 }; 3067 3068 /* The set of possible zoom events */ 3069 static struct sonypi_event sonypi_zoomev[] = { 3070 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3071 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3072 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3073 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3074 { 0, 0 } 3075 }; 3076 3077 /* The set of possible thumbphrase events */ 3078 static struct sonypi_event sonypi_thumbphraseev[] = { 3079 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3080 { 0, 0 } 3081 }; 3082 3083 /* The set of possible motioneye camera events */ 3084 static struct sonypi_event sonypi_meyeev[] = { 3085 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3086 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3087 { 0, 0 } 3088 }; 3089 3090 /* The set of possible memorystick events */ 3091 static struct sonypi_event sonypi_memorystickev[] = { 3092 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3093 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3094 { 0, 0 } 3095 }; 3096 3097 /* The set of possible battery events */ 3098 static struct sonypi_event sonypi_batteryev[] = { 3099 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3100 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3101 { 0, 0 } 3102 }; 3103 3104 /* The set of possible volume events */ 3105 static struct sonypi_event sonypi_volumeev[] = { 3106 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3107 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3108 { 0, 0 } 3109 }; 3110 3111 /* The set of possible brightness events */ 3112 static struct sonypi_event sonypi_brightnessev[] = { 3113 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3114 { 0, 0 } 3115 }; 3116 3117 static struct sonypi_eventtypes type1_events[] = { 3118 { 0, 0xffffffff, sonypi_releaseev }, 3119 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3120 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3121 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3122 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3123 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3124 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3125 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3126 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3127 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3128 { 0 }, 3129 }; 3130 static struct sonypi_eventtypes type2_events[] = { 3131 { 0, 0xffffffff, sonypi_releaseev }, 3132 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3133 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3134 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3135 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3136 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3137 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3138 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3139 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3140 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3141 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3142 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3143 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3144 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3145 { 0 }, 3146 }; 3147 static struct sonypi_eventtypes type3_events[] = { 3148 { 0, 0xffffffff, sonypi_releaseev }, 3149 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3150 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3151 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3152 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3153 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3154 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3155 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3156 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3157 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3158 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3159 { 0 }, 3160 }; 3161 3162 /* low level spic calls */ 3163 #define ITERATIONS_LONG 10000 3164 #define ITERATIONS_SHORT 10 3165 #define wait_on_command(command, iterations) { \ 3166 unsigned int n = iterations; \ 3167 while (--n && (command)) \ 3168 udelay(1); \ 3169 if (!n) \ 3170 dprintk("command failed at %s : %s (line %d)\n", \ 3171 __FILE__, __func__, __LINE__); \ 3172 } 3173 3174 static u8 sony_pic_call1(u8 dev) 3175 { 3176 u8 v1, v2; 3177 3178 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3179 ITERATIONS_LONG); 3180 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3181 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3182 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3183 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3184 return v2; 3185 } 3186 3187 static u8 sony_pic_call2(u8 dev, u8 fn) 3188 { 3189 u8 v1; 3190 3191 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3192 ITERATIONS_LONG); 3193 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3194 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3195 ITERATIONS_LONG); 3196 outb(fn, spic_dev.cur_ioport->io1.minimum); 3197 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3198 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3199 return v1; 3200 } 3201 3202 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3203 { 3204 u8 v1; 3205 3206 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3207 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3208 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3209 outb(fn, spic_dev.cur_ioport->io1.minimum); 3210 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3211 outb(v, spic_dev.cur_ioport->io1.minimum); 3212 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3213 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3214 dev, fn, v, v1); 3215 return v1; 3216 } 3217 3218 /* 3219 * minidrivers for SPIC models 3220 */ 3221 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3222 { 3223 /* 3224 * 0x31 could mean we have to take some extra action and wait for 3225 * the next irq for some Type3 models, it will generate a new 3226 * irq and we can read new data from the device: 3227 * - 0x5c and 0x5f requires 0xA0 3228 * - 0x61 requires 0xB3 3229 */ 3230 if (data_mask == 0x31) { 3231 if (ev == 0x5c || ev == 0x5f) 3232 sony_pic_call1(0xA0); 3233 else if (ev == 0x61) 3234 sony_pic_call1(0xB3); 3235 return 0; 3236 } 3237 return 1; 3238 } 3239 3240 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3241 { 3242 struct pci_dev *pcidev; 3243 3244 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3245 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3246 if (pcidev) { 3247 dev->model = SONYPI_DEVICE_TYPE1; 3248 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3249 dev->event_types = type1_events; 3250 goto out; 3251 } 3252 3253 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3254 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3255 if (pcidev) { 3256 dev->model = SONYPI_DEVICE_TYPE2; 3257 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3258 dev->event_types = type2_events; 3259 goto out; 3260 } 3261 3262 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3263 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3264 if (pcidev) { 3265 dev->model = SONYPI_DEVICE_TYPE3; 3266 dev->handle_irq = type3_handle_irq; 3267 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3268 dev->event_types = type3_events; 3269 goto out; 3270 } 3271 3272 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3273 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3274 if (pcidev) { 3275 dev->model = SONYPI_DEVICE_TYPE3; 3276 dev->handle_irq = type3_handle_irq; 3277 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3278 dev->event_types = type3_events; 3279 goto out; 3280 } 3281 3282 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3283 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3284 if (pcidev) { 3285 dev->model = SONYPI_DEVICE_TYPE3; 3286 dev->handle_irq = type3_handle_irq; 3287 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3288 dev->event_types = type3_events; 3289 goto out; 3290 } 3291 3292 /* default */ 3293 dev->model = SONYPI_DEVICE_TYPE2; 3294 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3295 dev->event_types = type2_events; 3296 3297 out: 3298 if (pcidev) 3299 pci_dev_put(pcidev); 3300 3301 pr_info("detected Type%d model\n", 3302 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3303 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3304 } 3305 3306 /* camera tests and poweron/poweroff */ 3307 #define SONYPI_CAMERA_PICTURE 5 3308 #define SONYPI_CAMERA_CONTROL 0x10 3309 3310 #define SONYPI_CAMERA_BRIGHTNESS 0 3311 #define SONYPI_CAMERA_CONTRAST 1 3312 #define SONYPI_CAMERA_HUE 2 3313 #define SONYPI_CAMERA_COLOR 3 3314 #define SONYPI_CAMERA_SHARPNESS 4 3315 3316 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3317 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3318 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3319 #define SONYPI_CAMERA_MUTE_MASK 0x40 3320 3321 /* the rest don't need a loop until not 0xff */ 3322 #define SONYPI_CAMERA_AGC 6 3323 #define SONYPI_CAMERA_AGC_MASK 0x30 3324 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3325 3326 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3327 #define SONYPI_CAMERA_CONTROL 0x10 3328 3329 #define SONYPI_CAMERA_STATUS 7 3330 #define SONYPI_CAMERA_STATUS_READY 0x2 3331 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3332 3333 #define SONYPI_DIRECTION_BACKWARDS 0x4 3334 3335 #define SONYPI_CAMERA_REVISION 8 3336 #define SONYPI_CAMERA_ROMVERSION 9 3337 3338 static int __sony_pic_camera_ready(void) 3339 { 3340 u8 v; 3341 3342 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3343 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3344 } 3345 3346 static int __sony_pic_camera_off(void) 3347 { 3348 if (!camera) { 3349 pr_warn("camera control not enabled\n"); 3350 return -ENODEV; 3351 } 3352 3353 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3354 SONYPI_CAMERA_MUTE_MASK), 3355 ITERATIONS_SHORT); 3356 3357 if (spic_dev.camera_power) { 3358 sony_pic_call2(0x91, 0); 3359 spic_dev.camera_power = 0; 3360 } 3361 return 0; 3362 } 3363 3364 static int __sony_pic_camera_on(void) 3365 { 3366 int i, j, x; 3367 3368 if (!camera) { 3369 pr_warn("camera control not enabled\n"); 3370 return -ENODEV; 3371 } 3372 3373 if (spic_dev.camera_power) 3374 return 0; 3375 3376 for (j = 5; j > 0; j--) { 3377 3378 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3379 msleep(10); 3380 sony_pic_call1(0x93); 3381 3382 for (i = 400; i > 0; i--) { 3383 if (__sony_pic_camera_ready()) 3384 break; 3385 msleep(10); 3386 } 3387 if (i) 3388 break; 3389 } 3390 3391 if (j == 0) { 3392 pr_warn("failed to power on camera\n"); 3393 return -ENODEV; 3394 } 3395 3396 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3397 0x5a), 3398 ITERATIONS_SHORT); 3399 3400 spic_dev.camera_power = 1; 3401 return 0; 3402 } 3403 3404 /* External camera command (exported to the motion eye v4l driver) */ 3405 int sony_pic_camera_command(int command, u8 value) 3406 { 3407 if (!camera) 3408 return -EIO; 3409 3410 mutex_lock(&spic_dev.lock); 3411 3412 switch (command) { 3413 case SONY_PIC_COMMAND_SETCAMERA: 3414 if (value) 3415 __sony_pic_camera_on(); 3416 else 3417 __sony_pic_camera_off(); 3418 break; 3419 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3420 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3421 ITERATIONS_SHORT); 3422 break; 3423 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3424 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3425 ITERATIONS_SHORT); 3426 break; 3427 case SONY_PIC_COMMAND_SETCAMERAHUE: 3428 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3429 ITERATIONS_SHORT); 3430 break; 3431 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3432 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3433 ITERATIONS_SHORT); 3434 break; 3435 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3436 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3437 ITERATIONS_SHORT); 3438 break; 3439 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3440 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3441 ITERATIONS_SHORT); 3442 break; 3443 case SONY_PIC_COMMAND_SETCAMERAAGC: 3444 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3445 ITERATIONS_SHORT); 3446 break; 3447 default: 3448 pr_err("sony_pic_camera_command invalid: %d\n", command); 3449 break; 3450 } 3451 mutex_unlock(&spic_dev.lock); 3452 return 0; 3453 } 3454 EXPORT_SYMBOL(sony_pic_camera_command); 3455 3456 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3457 static void __sony_pic_set_wwanpower(u8 state) 3458 { 3459 state = !!state; 3460 if (spic_dev.wwan_power == state) 3461 return; 3462 sony_pic_call2(0xB0, state); 3463 sony_pic_call1(0x82); 3464 spic_dev.wwan_power = state; 3465 } 3466 3467 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3468 struct device_attribute *attr, 3469 const char *buffer, size_t count) 3470 { 3471 unsigned long value; 3472 if (count > 31) 3473 return -EINVAL; 3474 3475 if (kstrtoul(buffer, 10, &value)) 3476 return -EINVAL; 3477 3478 mutex_lock(&spic_dev.lock); 3479 __sony_pic_set_wwanpower(value); 3480 mutex_unlock(&spic_dev.lock); 3481 3482 return count; 3483 } 3484 3485 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3486 struct device_attribute *attr, char *buffer) 3487 { 3488 ssize_t count; 3489 mutex_lock(&spic_dev.lock); 3490 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3491 mutex_unlock(&spic_dev.lock); 3492 return count; 3493 } 3494 3495 /* bluetooth subsystem power state */ 3496 static void __sony_pic_set_bluetoothpower(u8 state) 3497 { 3498 state = !!state; 3499 if (spic_dev.bluetooth_power == state) 3500 return; 3501 sony_pic_call2(0x96, state); 3502 sony_pic_call1(0x82); 3503 spic_dev.bluetooth_power = state; 3504 } 3505 3506 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3507 struct device_attribute *attr, 3508 const char *buffer, size_t count) 3509 { 3510 unsigned long value; 3511 if (count > 31) 3512 return -EINVAL; 3513 3514 if (kstrtoul(buffer, 10, &value)) 3515 return -EINVAL; 3516 3517 mutex_lock(&spic_dev.lock); 3518 __sony_pic_set_bluetoothpower(value); 3519 mutex_unlock(&spic_dev.lock); 3520 3521 return count; 3522 } 3523 3524 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3525 struct device_attribute *attr, char *buffer) 3526 { 3527 ssize_t count = 0; 3528 mutex_lock(&spic_dev.lock); 3529 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3530 mutex_unlock(&spic_dev.lock); 3531 return count; 3532 } 3533 3534 /* fan speed */ 3535 /* FAN0 information (reverse engineered from ACPI tables) */ 3536 #define SONY_PIC_FAN0_STATUS 0x93 3537 static int sony_pic_set_fanspeed(unsigned long value) 3538 { 3539 return ec_write(SONY_PIC_FAN0_STATUS, value); 3540 } 3541 3542 static int sony_pic_get_fanspeed(u8 *value) 3543 { 3544 return ec_read(SONY_PIC_FAN0_STATUS, value); 3545 } 3546 3547 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3548 struct device_attribute *attr, 3549 const char *buffer, size_t count) 3550 { 3551 unsigned long value; 3552 if (count > 31) 3553 return -EINVAL; 3554 3555 if (kstrtoul(buffer, 10, &value)) 3556 return -EINVAL; 3557 3558 if (sony_pic_set_fanspeed(value)) 3559 return -EIO; 3560 3561 return count; 3562 } 3563 3564 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3565 struct device_attribute *attr, char *buffer) 3566 { 3567 u8 value = 0; 3568 if (sony_pic_get_fanspeed(&value)) 3569 return -EIO; 3570 3571 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 3572 } 3573 3574 #define SPIC_ATTR(_name, _mode) \ 3575 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3576 _mode, sony_pic_## _name ##_show, \ 3577 sony_pic_## _name ##_store) 3578 3579 static SPIC_ATTR(bluetoothpower, 0644); 3580 static SPIC_ATTR(wwanpower, 0644); 3581 static SPIC_ATTR(fanspeed, 0644); 3582 3583 static struct attribute *spic_attributes[] = { 3584 &spic_attr_bluetoothpower.attr, 3585 &spic_attr_wwanpower.attr, 3586 &spic_attr_fanspeed.attr, 3587 NULL 3588 }; 3589 3590 static struct attribute_group spic_attribute_group = { 3591 .attrs = spic_attributes 3592 }; 3593 3594 /******** SONYPI compatibility **********/ 3595 #ifdef CONFIG_SONYPI_COMPAT 3596 3597 /* battery / brightness / temperature addresses */ 3598 #define SONYPI_BAT_FLAGS 0x81 3599 #define SONYPI_LCD_LIGHT 0x96 3600 #define SONYPI_BAT1_PCTRM 0xa0 3601 #define SONYPI_BAT1_LEFT 0xa2 3602 #define SONYPI_BAT1_MAXRT 0xa4 3603 #define SONYPI_BAT2_PCTRM 0xa8 3604 #define SONYPI_BAT2_LEFT 0xaa 3605 #define SONYPI_BAT2_MAXRT 0xac 3606 #define SONYPI_BAT1_MAXTK 0xb0 3607 #define SONYPI_BAT1_FULL 0xb2 3608 #define SONYPI_BAT2_MAXTK 0xb8 3609 #define SONYPI_BAT2_FULL 0xba 3610 #define SONYPI_TEMP_STATUS 0xC1 3611 3612 struct sonypi_compat_s { 3613 struct fasync_struct *fifo_async; 3614 struct kfifo fifo; 3615 spinlock_t fifo_lock; 3616 wait_queue_head_t fifo_proc_list; 3617 atomic_t open_count; 3618 }; 3619 static struct sonypi_compat_s sonypi_compat = { 3620 .open_count = ATOMIC_INIT(0), 3621 }; 3622 3623 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 3624 { 3625 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 3626 } 3627 3628 static int sonypi_misc_release(struct inode *inode, struct file *file) 3629 { 3630 atomic_dec(&sonypi_compat.open_count); 3631 return 0; 3632 } 3633 3634 static int sonypi_misc_open(struct inode *inode, struct file *file) 3635 { 3636 /* Flush input queue on first open */ 3637 unsigned long flags; 3638 3639 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 3640 3641 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 3642 kfifo_reset(&sonypi_compat.fifo); 3643 3644 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 3645 3646 return 0; 3647 } 3648 3649 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 3650 size_t count, loff_t *pos) 3651 { 3652 ssize_t ret; 3653 unsigned char c; 3654 3655 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 3656 (file->f_flags & O_NONBLOCK)) 3657 return -EAGAIN; 3658 3659 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 3660 kfifo_len(&sonypi_compat.fifo) != 0); 3661 if (ret) 3662 return ret; 3663 3664 while (ret < count && 3665 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 3666 &sonypi_compat.fifo_lock) == sizeof(c))) { 3667 if (put_user(c, buf++)) 3668 return -EFAULT; 3669 ret++; 3670 } 3671 3672 if (ret > 0) { 3673 struct inode *inode = file_inode(file); 3674 inode->i_atime = current_fs_time(inode->i_sb); 3675 } 3676 3677 return ret; 3678 } 3679 3680 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 3681 { 3682 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 3683 if (kfifo_len(&sonypi_compat.fifo)) 3684 return POLLIN | POLLRDNORM; 3685 return 0; 3686 } 3687 3688 static int ec_read16(u8 addr, u16 *value) 3689 { 3690 u8 val_lb, val_hb; 3691 if (ec_read(addr, &val_lb)) 3692 return -1; 3693 if (ec_read(addr + 1, &val_hb)) 3694 return -1; 3695 *value = val_lb | (val_hb << 8); 3696 return 0; 3697 } 3698 3699 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 3700 unsigned long arg) 3701 { 3702 int ret = 0; 3703 void __user *argp = (void __user *)arg; 3704 u8 val8; 3705 u16 val16; 3706 int value; 3707 3708 mutex_lock(&spic_dev.lock); 3709 switch (cmd) { 3710 case SONYPI_IOCGBRT: 3711 if (sony_bl_props.dev == NULL) { 3712 ret = -EIO; 3713 break; 3714 } 3715 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 3716 &value)) { 3717 ret = -EIO; 3718 break; 3719 } 3720 val8 = ((value & 0xff) - 1) << 5; 3721 if (copy_to_user(argp, &val8, sizeof(val8))) 3722 ret = -EFAULT; 3723 break; 3724 case SONYPI_IOCSBRT: 3725 if (sony_bl_props.dev == NULL) { 3726 ret = -EIO; 3727 break; 3728 } 3729 if (copy_from_user(&val8, argp, sizeof(val8))) { 3730 ret = -EFAULT; 3731 break; 3732 } 3733 value = (val8 >> 5) + 1; 3734 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 3735 NULL)) { 3736 ret = -EIO; 3737 break; 3738 } 3739 /* sync the backlight device status */ 3740 sony_bl_props.dev->props.brightness = 3741 sony_backlight_get_brightness(sony_bl_props.dev); 3742 break; 3743 case SONYPI_IOCGBAT1CAP: 3744 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 3745 ret = -EIO; 3746 break; 3747 } 3748 if (copy_to_user(argp, &val16, sizeof(val16))) 3749 ret = -EFAULT; 3750 break; 3751 case SONYPI_IOCGBAT1REM: 3752 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 3753 ret = -EIO; 3754 break; 3755 } 3756 if (copy_to_user(argp, &val16, sizeof(val16))) 3757 ret = -EFAULT; 3758 break; 3759 case SONYPI_IOCGBAT2CAP: 3760 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 3761 ret = -EIO; 3762 break; 3763 } 3764 if (copy_to_user(argp, &val16, sizeof(val16))) 3765 ret = -EFAULT; 3766 break; 3767 case SONYPI_IOCGBAT2REM: 3768 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 3769 ret = -EIO; 3770 break; 3771 } 3772 if (copy_to_user(argp, &val16, sizeof(val16))) 3773 ret = -EFAULT; 3774 break; 3775 case SONYPI_IOCGBATFLAGS: 3776 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 3777 ret = -EIO; 3778 break; 3779 } 3780 val8 &= 0x07; 3781 if (copy_to_user(argp, &val8, sizeof(val8))) 3782 ret = -EFAULT; 3783 break; 3784 case SONYPI_IOCGBLUE: 3785 val8 = spic_dev.bluetooth_power; 3786 if (copy_to_user(argp, &val8, sizeof(val8))) 3787 ret = -EFAULT; 3788 break; 3789 case SONYPI_IOCSBLUE: 3790 if (copy_from_user(&val8, argp, sizeof(val8))) { 3791 ret = -EFAULT; 3792 break; 3793 } 3794 __sony_pic_set_bluetoothpower(val8); 3795 break; 3796 /* FAN Controls */ 3797 case SONYPI_IOCGFAN: 3798 if (sony_pic_get_fanspeed(&val8)) { 3799 ret = -EIO; 3800 break; 3801 } 3802 if (copy_to_user(argp, &val8, sizeof(val8))) 3803 ret = -EFAULT; 3804 break; 3805 case SONYPI_IOCSFAN: 3806 if (copy_from_user(&val8, argp, sizeof(val8))) { 3807 ret = -EFAULT; 3808 break; 3809 } 3810 if (sony_pic_set_fanspeed(val8)) 3811 ret = -EIO; 3812 break; 3813 /* GET Temperature (useful under APM) */ 3814 case SONYPI_IOCGTEMP: 3815 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 3816 ret = -EIO; 3817 break; 3818 } 3819 if (copy_to_user(argp, &val8, sizeof(val8))) 3820 ret = -EFAULT; 3821 break; 3822 default: 3823 ret = -EINVAL; 3824 } 3825 mutex_unlock(&spic_dev.lock); 3826 return ret; 3827 } 3828 3829 static const struct file_operations sonypi_misc_fops = { 3830 .owner = THIS_MODULE, 3831 .read = sonypi_misc_read, 3832 .poll = sonypi_misc_poll, 3833 .open = sonypi_misc_open, 3834 .release = sonypi_misc_release, 3835 .fasync = sonypi_misc_fasync, 3836 .unlocked_ioctl = sonypi_misc_ioctl, 3837 .llseek = noop_llseek, 3838 }; 3839 3840 static struct miscdevice sonypi_misc_device = { 3841 .minor = MISC_DYNAMIC_MINOR, 3842 .name = "sonypi", 3843 .fops = &sonypi_misc_fops, 3844 }; 3845 3846 static void sonypi_compat_report_event(u8 event) 3847 { 3848 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 3849 sizeof(event), &sonypi_compat.fifo_lock); 3850 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 3851 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 3852 } 3853 3854 static int sonypi_compat_init(void) 3855 { 3856 int error; 3857 3858 spin_lock_init(&sonypi_compat.fifo_lock); 3859 error = 3860 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 3861 if (error) { 3862 pr_err("kfifo_alloc failed\n"); 3863 return error; 3864 } 3865 3866 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 3867 3868 if (minor != -1) 3869 sonypi_misc_device.minor = minor; 3870 error = misc_register(&sonypi_misc_device); 3871 if (error) { 3872 pr_err("misc_register failed\n"); 3873 goto err_free_kfifo; 3874 } 3875 if (minor == -1) 3876 pr_info("device allocated minor is %d\n", 3877 sonypi_misc_device.minor); 3878 3879 return 0; 3880 3881 err_free_kfifo: 3882 kfifo_free(&sonypi_compat.fifo); 3883 return error; 3884 } 3885 3886 static void sonypi_compat_exit(void) 3887 { 3888 misc_deregister(&sonypi_misc_device); 3889 kfifo_free(&sonypi_compat.fifo); 3890 } 3891 #else 3892 static int sonypi_compat_init(void) { return 0; } 3893 static void sonypi_compat_exit(void) { } 3894 static void sonypi_compat_report_event(u8 event) { } 3895 #endif /* CONFIG_SONYPI_COMPAT */ 3896 3897 /* 3898 * ACPI callbacks 3899 */ 3900 static acpi_status 3901 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 3902 { 3903 u32 i; 3904 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 3905 3906 switch (resource->type) { 3907 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 3908 { 3909 /* start IO enumeration */ 3910 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 3911 if (!ioport) 3912 return AE_ERROR; 3913 3914 list_add(&ioport->list, &dev->ioports); 3915 return AE_OK; 3916 } 3917 3918 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 3919 /* end IO enumeration */ 3920 return AE_OK; 3921 3922 case ACPI_RESOURCE_TYPE_IRQ: 3923 { 3924 struct acpi_resource_irq *p = &resource->data.irq; 3925 struct sony_pic_irq *interrupt = NULL; 3926 if (!p || !p->interrupt_count) { 3927 /* 3928 * IRQ descriptors may have no IRQ# bits set, 3929 * particularly those those w/ _STA disabled 3930 */ 3931 dprintk("Blank IRQ resource\n"); 3932 return AE_OK; 3933 } 3934 for (i = 0; i < p->interrupt_count; i++) { 3935 if (!p->interrupts[i]) { 3936 pr_warn("Invalid IRQ %d\n", 3937 p->interrupts[i]); 3938 continue; 3939 } 3940 interrupt = kzalloc(sizeof(*interrupt), 3941 GFP_KERNEL); 3942 if (!interrupt) 3943 return AE_ERROR; 3944 3945 list_add(&interrupt->list, &dev->interrupts); 3946 interrupt->irq.triggering = p->triggering; 3947 interrupt->irq.polarity = p->polarity; 3948 interrupt->irq.sharable = p->sharable; 3949 interrupt->irq.interrupt_count = 1; 3950 interrupt->irq.interrupts[0] = p->interrupts[i]; 3951 } 3952 return AE_OK; 3953 } 3954 case ACPI_RESOURCE_TYPE_IO: 3955 { 3956 struct acpi_resource_io *io = &resource->data.io; 3957 struct sony_pic_ioport *ioport = 3958 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 3959 if (!io) { 3960 dprintk("Blank IO resource\n"); 3961 return AE_OK; 3962 } 3963 3964 if (!ioport->io1.minimum) { 3965 memcpy(&ioport->io1, io, sizeof(*io)); 3966 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 3967 ioport->io1.address_length); 3968 } 3969 else if (!ioport->io2.minimum) { 3970 memcpy(&ioport->io2, io, sizeof(*io)); 3971 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 3972 ioport->io2.address_length); 3973 } 3974 else { 3975 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 3976 return AE_ERROR; 3977 } 3978 return AE_OK; 3979 } 3980 default: 3981 dprintk("Resource %d isn't an IRQ nor an IO port\n", 3982 resource->type); 3983 3984 case ACPI_RESOURCE_TYPE_END_TAG: 3985 return AE_OK; 3986 } 3987 return AE_CTRL_TERMINATE; 3988 } 3989 3990 static int sony_pic_possible_resources(struct acpi_device *device) 3991 { 3992 int result = 0; 3993 acpi_status status = AE_OK; 3994 3995 if (!device) 3996 return -EINVAL; 3997 3998 /* get device status */ 3999 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4000 dprintk("Evaluating _STA\n"); 4001 result = acpi_bus_get_status(device); 4002 if (result) { 4003 pr_warn("Unable to read status\n"); 4004 goto end; 4005 } 4006 4007 if (!device->status.enabled) 4008 dprintk("Device disabled\n"); 4009 else 4010 dprintk("Device enabled\n"); 4011 4012 /* 4013 * Query and parse 'method' 4014 */ 4015 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4016 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4017 sony_pic_read_possible_resource, &spic_dev); 4018 if (ACPI_FAILURE(status)) { 4019 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4020 result = -ENODEV; 4021 } 4022 end: 4023 return result; 4024 } 4025 4026 /* 4027 * Disable the spic device by calling its _DIS method 4028 */ 4029 static int sony_pic_disable(struct acpi_device *device) 4030 { 4031 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4032 NULL); 4033 4034 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4035 return -ENXIO; 4036 4037 dprintk("Device disabled\n"); 4038 return 0; 4039 } 4040 4041 4042 /* 4043 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4044 * 4045 * Call _SRS to set current resources 4046 */ 4047 static int sony_pic_enable(struct acpi_device *device, 4048 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4049 { 4050 acpi_status status; 4051 int result = 0; 4052 /* Type 1 resource layout is: 4053 * IO 4054 * IO 4055 * IRQNoFlags 4056 * End 4057 * 4058 * Type 2 and 3 resource layout is: 4059 * IO 4060 * IRQNoFlags 4061 * End 4062 */ 4063 struct { 4064 struct acpi_resource res1; 4065 struct acpi_resource res2; 4066 struct acpi_resource res3; 4067 struct acpi_resource res4; 4068 } *resource; 4069 struct acpi_buffer buffer = { 0, NULL }; 4070 4071 if (!ioport || !irq) 4072 return -EINVAL; 4073 4074 /* init acpi_buffer */ 4075 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4076 if (!resource) 4077 return -ENOMEM; 4078 4079 buffer.length = sizeof(*resource) + 1; 4080 buffer.pointer = resource; 4081 4082 /* setup Type 1 resources */ 4083 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4084 4085 /* setup io resources */ 4086 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4087 resource->res1.length = sizeof(struct acpi_resource); 4088 memcpy(&resource->res1.data.io, &ioport->io1, 4089 sizeof(struct acpi_resource_io)); 4090 4091 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4092 resource->res2.length = sizeof(struct acpi_resource); 4093 memcpy(&resource->res2.data.io, &ioport->io2, 4094 sizeof(struct acpi_resource_io)); 4095 4096 /* setup irq resource */ 4097 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4098 resource->res3.length = sizeof(struct acpi_resource); 4099 memcpy(&resource->res3.data.irq, &irq->irq, 4100 sizeof(struct acpi_resource_irq)); 4101 /* we requested a shared irq */ 4102 resource->res3.data.irq.sharable = ACPI_SHARED; 4103 4104 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4105 resource->res4.length = sizeof(struct acpi_resource); 4106 } 4107 /* setup Type 2/3 resources */ 4108 else { 4109 /* setup io resource */ 4110 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4111 resource->res1.length = sizeof(struct acpi_resource); 4112 memcpy(&resource->res1.data.io, &ioport->io1, 4113 sizeof(struct acpi_resource_io)); 4114 4115 /* setup irq resource */ 4116 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4117 resource->res2.length = sizeof(struct acpi_resource); 4118 memcpy(&resource->res2.data.irq, &irq->irq, 4119 sizeof(struct acpi_resource_irq)); 4120 /* we requested a shared irq */ 4121 resource->res2.data.irq.sharable = ACPI_SHARED; 4122 4123 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4124 resource->res3.length = sizeof(struct acpi_resource); 4125 } 4126 4127 /* Attempt to set the resource */ 4128 dprintk("Evaluating _SRS\n"); 4129 status = acpi_set_current_resources(device->handle, &buffer); 4130 4131 /* check for total failure */ 4132 if (ACPI_FAILURE(status)) { 4133 pr_err("Error evaluating _SRS\n"); 4134 result = -ENODEV; 4135 goto end; 4136 } 4137 4138 /* Necessary device initializations calls (from sonypi) */ 4139 sony_pic_call1(0x82); 4140 sony_pic_call2(0x81, 0xff); 4141 sony_pic_call1(compat ? 0x92 : 0x82); 4142 4143 end: 4144 kfree(resource); 4145 return result; 4146 } 4147 4148 /***************** 4149 * 4150 * ISR: some event is available 4151 * 4152 *****************/ 4153 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4154 { 4155 int i, j; 4156 u8 ev = 0; 4157 u8 data_mask = 0; 4158 u8 device_event = 0; 4159 4160 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4161 4162 ev = inb_p(dev->cur_ioport->io1.minimum); 4163 if (dev->cur_ioport->io2.minimum) 4164 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4165 else 4166 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4167 dev->evport_offset); 4168 4169 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4170 ev, data_mask, dev->cur_ioport->io1.minimum, 4171 dev->evport_offset); 4172 4173 if (ev == 0x00 || ev == 0xff) 4174 return IRQ_HANDLED; 4175 4176 for (i = 0; dev->event_types[i].mask; i++) { 4177 4178 if ((data_mask & dev->event_types[i].data) != 4179 dev->event_types[i].data) 4180 continue; 4181 4182 if (!(mask & dev->event_types[i].mask)) 4183 continue; 4184 4185 for (j = 0; dev->event_types[i].events[j].event; j++) { 4186 if (ev == dev->event_types[i].events[j].data) { 4187 device_event = 4188 dev->event_types[i].events[j].event; 4189 /* some events may require ignoring */ 4190 if (!device_event) 4191 return IRQ_HANDLED; 4192 goto found; 4193 } 4194 } 4195 } 4196 /* Still not able to decode the event try to pass 4197 * it over to the minidriver 4198 */ 4199 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4200 return IRQ_HANDLED; 4201 4202 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4203 ev, data_mask, dev->cur_ioport->io1.minimum, 4204 dev->evport_offset); 4205 return IRQ_HANDLED; 4206 4207 found: 4208 sony_laptop_report_input_event(device_event); 4209 sonypi_compat_report_event(device_event); 4210 return IRQ_HANDLED; 4211 } 4212 4213 /***************** 4214 * 4215 * ACPI driver 4216 * 4217 *****************/ 4218 static int sony_pic_remove(struct acpi_device *device) 4219 { 4220 struct sony_pic_ioport *io, *tmp_io; 4221 struct sony_pic_irq *irq, *tmp_irq; 4222 4223 if (sony_pic_disable(device)) { 4224 pr_err("Couldn't disable device\n"); 4225 return -ENXIO; 4226 } 4227 4228 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4229 release_region(spic_dev.cur_ioport->io1.minimum, 4230 spic_dev.cur_ioport->io1.address_length); 4231 if (spic_dev.cur_ioport->io2.minimum) 4232 release_region(spic_dev.cur_ioport->io2.minimum, 4233 spic_dev.cur_ioport->io2.address_length); 4234 4235 sonypi_compat_exit(); 4236 4237 sony_laptop_remove_input(); 4238 4239 /* pf attrs */ 4240 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4241 sony_pf_remove(); 4242 4243 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4244 list_del(&io->list); 4245 kfree(io); 4246 } 4247 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4248 list_del(&irq->list); 4249 kfree(irq); 4250 } 4251 spic_dev.cur_ioport = NULL; 4252 spic_dev.cur_irq = NULL; 4253 4254 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4255 return 0; 4256 } 4257 4258 static int sony_pic_add(struct acpi_device *device) 4259 { 4260 int result; 4261 struct sony_pic_ioport *io, *tmp_io; 4262 struct sony_pic_irq *irq, *tmp_irq; 4263 4264 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 4265 4266 spic_dev.acpi_dev = device; 4267 strcpy(acpi_device_class(device), "sony/hotkey"); 4268 sony_pic_detect_device_type(&spic_dev); 4269 mutex_init(&spic_dev.lock); 4270 4271 /* read _PRS resources */ 4272 result = sony_pic_possible_resources(device); 4273 if (result) { 4274 pr_err("Unable to read possible resources\n"); 4275 goto err_free_resources; 4276 } 4277 4278 /* setup input devices and helper fifo */ 4279 result = sony_laptop_setup_input(device); 4280 if (result) { 4281 pr_err("Unable to create input devices\n"); 4282 goto err_free_resources; 4283 } 4284 4285 result = sonypi_compat_init(); 4286 if (result) 4287 goto err_remove_input; 4288 4289 /* request io port */ 4290 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4291 if (request_region(io->io1.minimum, io->io1.address_length, 4292 "Sony Programmable I/O Device")) { 4293 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4294 io->io1.minimum, io->io1.maximum, 4295 io->io1.address_length); 4296 /* Type 1 have 2 ioports */ 4297 if (io->io2.minimum) { 4298 if (request_region(io->io2.minimum, 4299 io->io2.address_length, 4300 "Sony Programmable I/O Device")) { 4301 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4302 io->io2.minimum, io->io2.maximum, 4303 io->io2.address_length); 4304 spic_dev.cur_ioport = io; 4305 break; 4306 } 4307 else { 4308 dprintk("Unable to get I/O port2: " 4309 "0x%.4x (0x%.4x) + 0x%.2x\n", 4310 io->io2.minimum, io->io2.maximum, 4311 io->io2.address_length); 4312 release_region(io->io1.minimum, 4313 io->io1.address_length); 4314 } 4315 } 4316 else { 4317 spic_dev.cur_ioport = io; 4318 break; 4319 } 4320 } 4321 } 4322 if (!spic_dev.cur_ioport) { 4323 pr_err("Failed to request_region\n"); 4324 result = -ENODEV; 4325 goto err_remove_compat; 4326 } 4327 4328 /* request IRQ */ 4329 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4330 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4331 0, "sony-laptop", &spic_dev)) { 4332 dprintk("IRQ: %d - triggering: %d - " 4333 "polarity: %d - shr: %d\n", 4334 irq->irq.interrupts[0], 4335 irq->irq.triggering, 4336 irq->irq.polarity, 4337 irq->irq.sharable); 4338 spic_dev.cur_irq = irq; 4339 break; 4340 } 4341 } 4342 if (!spic_dev.cur_irq) { 4343 pr_err("Failed to request_irq\n"); 4344 result = -ENODEV; 4345 goto err_release_region; 4346 } 4347 4348 /* set resource status _SRS */ 4349 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4350 if (result) { 4351 pr_err("Couldn't enable device\n"); 4352 goto err_free_irq; 4353 } 4354 4355 spic_dev.bluetooth_power = -1; 4356 /* create device attributes */ 4357 result = sony_pf_add(); 4358 if (result) 4359 goto err_disable_device; 4360 4361 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4362 if (result) 4363 goto err_remove_pf; 4364 4365 return 0; 4366 4367 err_remove_pf: 4368 sony_pf_remove(); 4369 4370 err_disable_device: 4371 sony_pic_disable(device); 4372 4373 err_free_irq: 4374 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4375 4376 err_release_region: 4377 release_region(spic_dev.cur_ioport->io1.minimum, 4378 spic_dev.cur_ioport->io1.address_length); 4379 if (spic_dev.cur_ioport->io2.minimum) 4380 release_region(spic_dev.cur_ioport->io2.minimum, 4381 spic_dev.cur_ioport->io2.address_length); 4382 4383 err_remove_compat: 4384 sonypi_compat_exit(); 4385 4386 err_remove_input: 4387 sony_laptop_remove_input(); 4388 4389 err_free_resources: 4390 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4391 list_del(&io->list); 4392 kfree(io); 4393 } 4394 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4395 list_del(&irq->list); 4396 kfree(irq); 4397 } 4398 spic_dev.cur_ioport = NULL; 4399 spic_dev.cur_irq = NULL; 4400 4401 return result; 4402 } 4403 4404 #ifdef CONFIG_PM_SLEEP 4405 static int sony_pic_suspend(struct device *dev) 4406 { 4407 if (sony_pic_disable(to_acpi_device(dev))) 4408 return -ENXIO; 4409 return 0; 4410 } 4411 4412 static int sony_pic_resume(struct device *dev) 4413 { 4414 sony_pic_enable(to_acpi_device(dev), 4415 spic_dev.cur_ioport, spic_dev.cur_irq); 4416 return 0; 4417 } 4418 #endif 4419 4420 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4421 4422 static const struct acpi_device_id sony_pic_device_ids[] = { 4423 {SONY_PIC_HID, 0}, 4424 {"", 0}, 4425 }; 4426 4427 static struct acpi_driver sony_pic_driver = { 4428 .name = SONY_PIC_DRIVER_NAME, 4429 .class = SONY_PIC_CLASS, 4430 .ids = sony_pic_device_ids, 4431 .owner = THIS_MODULE, 4432 .ops = { 4433 .add = sony_pic_add, 4434 .remove = sony_pic_remove, 4435 }, 4436 .drv.pm = &sony_pic_pm, 4437 }; 4438 4439 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4440 { 4441 .ident = "Sony Vaio", 4442 .matches = { 4443 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4444 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4445 }, 4446 }, 4447 { 4448 .ident = "Sony Vaio", 4449 .matches = { 4450 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4451 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4452 }, 4453 }, 4454 { } 4455 }; 4456 4457 static int __init sony_laptop_init(void) 4458 { 4459 int result; 4460 4461 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4462 result = acpi_bus_register_driver(&sony_pic_driver); 4463 if (result) { 4464 pr_err("Unable to register SPIC driver\n"); 4465 goto out; 4466 } 4467 spic_drv_registered = 1; 4468 } 4469 4470 result = acpi_bus_register_driver(&sony_nc_driver); 4471 if (result) { 4472 pr_err("Unable to register SNC driver\n"); 4473 goto out_unregister_pic; 4474 } 4475 4476 return 0; 4477 4478 out_unregister_pic: 4479 if (spic_drv_registered) 4480 acpi_bus_unregister_driver(&sony_pic_driver); 4481 out: 4482 return result; 4483 } 4484 4485 static void __exit sony_laptop_exit(void) 4486 { 4487 acpi_bus_unregister_driver(&sony_nc_driver); 4488 if (spic_drv_registered) 4489 acpi_bus_unregister_driver(&sony_pic_driver); 4490 } 4491 4492 module_init(sony_laptop_init); 4493 module_exit(sony_laptop_exit); 4494