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_kbd_backlight_resume(void); 144 static void sony_nc_thermal_resume(void); 145 #endif 146 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 147 unsigned int handle); 148 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd); 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_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ 308 KEY_FN_F2, /* 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); 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 case 0x0137: 1490 case 0x0143: 1491 case 0x014b: 1492 case 0x014c: 1493 case 0x0163: 1494 sony_nc_kbd_backlight_resume(); 1495 break; 1496 default: 1497 continue; 1498 } 1499 } 1500 1501 /* Enable all events */ 1502 arg = 0x10; 1503 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1504 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1505 &result); 1506 } 1507 1508 static int sony_nc_resume(struct device *dev) 1509 { 1510 struct sony_nc_value *item; 1511 1512 for (item = sony_nc_values; item->name; item++) { 1513 int ret; 1514 1515 if (!item->valid) 1516 continue; 1517 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1518 &item->value, NULL); 1519 if (ret < 0) { 1520 pr_err("%s: %d\n", __func__, ret); 1521 break; 1522 } 1523 } 1524 1525 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1526 int arg = 1; 1527 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1528 dprintk("ECON Method failed\n"); 1529 } 1530 1531 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1532 sony_nc_function_resume(); 1533 1534 return 0; 1535 } 1536 #endif 1537 1538 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1539 1540 static void sony_nc_rfkill_cleanup(void) 1541 { 1542 int i; 1543 1544 for (i = 0; i < N_SONY_RFKILL; i++) { 1545 if (sony_rfkill_devices[i]) { 1546 rfkill_unregister(sony_rfkill_devices[i]); 1547 rfkill_destroy(sony_rfkill_devices[i]); 1548 } 1549 } 1550 } 1551 1552 static int sony_nc_rfkill_set(void *data, bool blocked) 1553 { 1554 int result; 1555 int argument = sony_rfkill_address[(long) data] + 0x100; 1556 1557 if (!blocked) 1558 argument |= 0x070000; 1559 1560 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1561 } 1562 1563 static const struct rfkill_ops sony_rfkill_ops = { 1564 .set_block = sony_nc_rfkill_set, 1565 }; 1566 1567 static int sony_nc_setup_rfkill(struct acpi_device *device, 1568 enum sony_nc_rfkill nc_type) 1569 { 1570 int err = 0; 1571 struct rfkill *rfk; 1572 enum rfkill_type type; 1573 const char *name; 1574 int result; 1575 bool hwblock, swblock; 1576 1577 switch (nc_type) { 1578 case SONY_WIFI: 1579 type = RFKILL_TYPE_WLAN; 1580 name = "sony-wifi"; 1581 break; 1582 case SONY_BLUETOOTH: 1583 type = RFKILL_TYPE_BLUETOOTH; 1584 name = "sony-bluetooth"; 1585 break; 1586 case SONY_WWAN: 1587 type = RFKILL_TYPE_WWAN; 1588 name = "sony-wwan"; 1589 break; 1590 case SONY_WIMAX: 1591 type = RFKILL_TYPE_WIMAX; 1592 name = "sony-wimax"; 1593 break; 1594 default: 1595 return -EINVAL; 1596 } 1597 1598 rfk = rfkill_alloc(name, &device->dev, type, 1599 &sony_rfkill_ops, (void *)nc_type); 1600 if (!rfk) 1601 return -ENOMEM; 1602 1603 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1604 rfkill_destroy(rfk); 1605 return -1; 1606 } 1607 hwblock = !(result & 0x1); 1608 1609 if (sony_call_snc_handle(sony_rfkill_handle, 1610 sony_rfkill_address[nc_type], 1611 &result) < 0) { 1612 rfkill_destroy(rfk); 1613 return -1; 1614 } 1615 swblock = !(result & 0x2); 1616 1617 rfkill_init_sw_state(rfk, swblock); 1618 rfkill_set_hw_state(rfk, hwblock); 1619 1620 err = rfkill_register(rfk); 1621 if (err) { 1622 rfkill_destroy(rfk); 1623 return err; 1624 } 1625 sony_rfkill_devices[nc_type] = rfk; 1626 return err; 1627 } 1628 1629 static void sony_nc_rfkill_update(void) 1630 { 1631 enum sony_nc_rfkill i; 1632 int result; 1633 bool hwblock; 1634 1635 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1636 hwblock = !(result & 0x1); 1637 1638 for (i = 0; i < N_SONY_RFKILL; i++) { 1639 int argument = sony_rfkill_address[i]; 1640 1641 if (!sony_rfkill_devices[i]) 1642 continue; 1643 1644 if (hwblock) { 1645 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1646 /* we already know we're blocked */ 1647 } 1648 continue; 1649 } 1650 1651 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1652 rfkill_set_states(sony_rfkill_devices[i], 1653 !(result & 0x2), false); 1654 } 1655 } 1656 1657 static int sony_nc_rfkill_setup(struct acpi_device *device, 1658 unsigned int handle) 1659 { 1660 u64 offset; 1661 int i; 1662 unsigned char buffer[32] = { 0 }; 1663 1664 offset = sony_find_snc_handle(handle); 1665 sony_rfkill_handle = handle; 1666 1667 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1668 32); 1669 if (i < 0) 1670 return i; 1671 1672 /* The buffer is filled with magic numbers describing the devices 1673 * available, 0xff terminates the enumeration. 1674 * Known codes: 1675 * 0x00 WLAN 1676 * 0x10 BLUETOOTH 1677 * 0x20 WWAN GPRS-EDGE 1678 * 0x21 WWAN HSDPA 1679 * 0x22 WWAN EV-DO 1680 * 0x23 WWAN GPS 1681 * 0x25 Gobi WWAN no GPS 1682 * 0x26 Gobi WWAN + GPS 1683 * 0x28 Gobi WWAN no GPS 1684 * 0x29 Gobi WWAN + GPS 1685 * 0x30 WIMAX 1686 * 0x50 Gobi WWAN no GPS 1687 * 0x51 Gobi WWAN + GPS 1688 * 0x70 no SIM card slot 1689 * 0x71 SIM card slot 1690 */ 1691 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1692 1693 if (buffer[i] == 0xff) 1694 break; 1695 1696 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1697 1698 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1699 sony_nc_setup_rfkill(device, SONY_WIFI); 1700 1701 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1702 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1703 1704 if (((0xf0 & buffer[i]) == 0x20 || 1705 (0xf0 & buffer[i]) == 0x50) && 1706 !sony_rfkill_devices[SONY_WWAN]) 1707 sony_nc_setup_rfkill(device, SONY_WWAN); 1708 1709 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1710 sony_nc_setup_rfkill(device, SONY_WIMAX); 1711 } 1712 return 0; 1713 } 1714 1715 /* Keyboard backlight feature */ 1716 struct kbd_backlight { 1717 unsigned int handle; 1718 unsigned int base; 1719 unsigned int mode; 1720 unsigned int timeout; 1721 struct device_attribute mode_attr; 1722 struct device_attribute timeout_attr; 1723 }; 1724 1725 static struct kbd_backlight *kbdbl_ctl; 1726 1727 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1728 { 1729 int result; 1730 1731 if (value > 1) 1732 return -EINVAL; 1733 1734 if (sony_call_snc_handle(kbdbl_ctl->handle, 1735 (value << 0x10) | (kbdbl_ctl->base), &result)) 1736 return -EIO; 1737 1738 /* Try to turn the light on/off immediately */ 1739 sony_call_snc_handle(kbdbl_ctl->handle, 1740 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); 1741 1742 kbdbl_ctl->mode = value; 1743 1744 return 0; 1745 } 1746 1747 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1748 struct device_attribute *attr, 1749 const char *buffer, size_t count) 1750 { 1751 int ret = 0; 1752 unsigned long value; 1753 1754 if (count > 31) 1755 return -EINVAL; 1756 1757 if (kstrtoul(buffer, 10, &value)) 1758 return -EINVAL; 1759 1760 ret = __sony_nc_kbd_backlight_mode_set(value); 1761 if (ret < 0) 1762 return ret; 1763 1764 return count; 1765 } 1766 1767 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1768 struct device_attribute *attr, char *buffer) 1769 { 1770 ssize_t count = 0; 1771 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1772 return count; 1773 } 1774 1775 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1776 { 1777 int result; 1778 1779 if (value > 3) 1780 return -EINVAL; 1781 1782 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1783 (kbdbl_ctl->base + 0x200), &result)) 1784 return -EIO; 1785 1786 kbdbl_ctl->timeout = value; 1787 1788 return 0; 1789 } 1790 1791 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1792 struct device_attribute *attr, 1793 const char *buffer, size_t count) 1794 { 1795 int ret = 0; 1796 unsigned long value; 1797 1798 if (count > 31) 1799 return -EINVAL; 1800 1801 if (kstrtoul(buffer, 10, &value)) 1802 return -EINVAL; 1803 1804 ret = __sony_nc_kbd_backlight_timeout_set(value); 1805 if (ret < 0) 1806 return ret; 1807 1808 return count; 1809 } 1810 1811 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1812 struct device_attribute *attr, char *buffer) 1813 { 1814 ssize_t count = 0; 1815 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1816 return count; 1817 } 1818 1819 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1820 unsigned int handle) 1821 { 1822 int result; 1823 int ret = 0; 1824 1825 /* verify the kbd backlight presence, these handles are not used for 1826 * keyboard backlight only 1827 */ 1828 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1829 &result); 1830 if (ret) 1831 return ret; 1832 1833 if ((handle == 0x0137 && !(result & 0x02)) || 1834 !(result & 0x01)) { 1835 dprintk("no backlight keyboard found\n"); 1836 return 0; 1837 } 1838 1839 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1840 if (!kbdbl_ctl) 1841 return -ENOMEM; 1842 1843 kbdbl_ctl->mode = kbd_backlight; 1844 kbdbl_ctl->timeout = kbd_backlight_timeout; 1845 kbdbl_ctl->handle = handle; 1846 if (handle == 0x0137) 1847 kbdbl_ctl->base = 0x0C00; 1848 else 1849 kbdbl_ctl->base = 0x4000; 1850 1851 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1852 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1853 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1854 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1855 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1856 1857 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1858 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1859 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1860 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1861 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1862 1863 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1864 if (ret) 1865 goto outkzalloc; 1866 1867 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1868 if (ret) 1869 goto outmode; 1870 1871 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1872 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1873 1874 return 0; 1875 1876 outmode: 1877 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1878 outkzalloc: 1879 kfree(kbdbl_ctl); 1880 kbdbl_ctl = NULL; 1881 return ret; 1882 } 1883 1884 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd) 1885 { 1886 if (kbdbl_ctl) { 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 #ifdef CONFIG_PM_SLEEP 1895 static void sony_nc_kbd_backlight_resume(void) 1896 { 1897 int ignore = 0; 1898 1899 if (!kbdbl_ctl) 1900 return; 1901 1902 if (kbdbl_ctl->mode == 0) 1903 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base, 1904 &ignore); 1905 1906 if (kbdbl_ctl->timeout != 0) 1907 sony_call_snc_handle(kbdbl_ctl->handle, 1908 (kbdbl_ctl->base + 0x200) | 1909 (kbdbl_ctl->timeout << 0x10), &ignore); 1910 } 1911 #endif 1912 1913 struct battery_care_control { 1914 struct device_attribute attrs[2]; 1915 unsigned int handle; 1916 }; 1917 static struct battery_care_control *bcare_ctl; 1918 1919 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1920 struct device_attribute *attr, 1921 const char *buffer, size_t count) 1922 { 1923 unsigned int result, cmd; 1924 unsigned long value; 1925 1926 if (count > 31) 1927 return -EINVAL; 1928 1929 if (kstrtoul(buffer, 10, &value)) 1930 return -EINVAL; 1931 1932 /* limit values (2 bits): 1933 * 00 - none 1934 * 01 - 80% 1935 * 10 - 50% 1936 * 11 - 100% 1937 * 1938 * bit 0: 0 disable BCL, 1 enable BCL 1939 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1940 * bits 2,3: reserved 1941 * bits 4,5: store the limit into the EC 1942 * bits 6,7: store the limit into the battery 1943 */ 1944 cmd = 0; 1945 1946 if (value > 0) { 1947 if (value <= 50) 1948 cmd = 0x20; 1949 1950 else if (value <= 80) 1951 cmd = 0x10; 1952 1953 else if (value <= 100) 1954 cmd = 0x30; 1955 1956 else 1957 return -EINVAL; 1958 1959 /* 1960 * handle 0x0115 should allow storing on battery too; 1961 * handle 0x0136 same as 0x0115 + health status; 1962 * handle 0x013f, same as 0x0136 but no storing on the battery 1963 */ 1964 if (bcare_ctl->handle != 0x013f) 1965 cmd = cmd | (cmd << 2); 1966 1967 cmd = (cmd | 0x1) << 0x10; 1968 } 1969 1970 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 1971 return -EIO; 1972 1973 return count; 1974 } 1975 1976 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 1977 struct device_attribute *attr, char *buffer) 1978 { 1979 unsigned int result, status; 1980 1981 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 1982 return -EIO; 1983 1984 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 1985 switch (status) { 1986 case 1: 1987 status = 80; 1988 break; 1989 case 2: 1990 status = 50; 1991 break; 1992 case 3: 1993 status = 100; 1994 break; 1995 default: 1996 status = 0; 1997 break; 1998 } 1999 2000 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2001 } 2002 2003 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2004 struct device_attribute *attr, char *buffer) 2005 { 2006 ssize_t count = 0; 2007 unsigned int health; 2008 2009 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2010 return -EIO; 2011 2012 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2013 2014 return count; 2015 } 2016 2017 static int sony_nc_battery_care_setup(struct platform_device *pd, 2018 unsigned int handle) 2019 { 2020 int ret = 0; 2021 2022 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2023 if (!bcare_ctl) 2024 return -ENOMEM; 2025 2026 bcare_ctl->handle = handle; 2027 2028 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2029 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2030 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2031 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2032 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2033 2034 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2035 if (ret) 2036 goto outkzalloc; 2037 2038 /* 0x0115 is for models with no health reporting capability */ 2039 if (handle == 0x0115) 2040 return 0; 2041 2042 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2043 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2044 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2045 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2046 2047 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2048 if (ret) 2049 goto outlimiter; 2050 2051 return 0; 2052 2053 outlimiter: 2054 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2055 2056 outkzalloc: 2057 kfree(bcare_ctl); 2058 bcare_ctl = NULL; 2059 2060 return ret; 2061 } 2062 2063 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2064 { 2065 if (bcare_ctl) { 2066 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2067 if (bcare_ctl->handle != 0x0115) 2068 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2069 2070 kfree(bcare_ctl); 2071 bcare_ctl = NULL; 2072 } 2073 } 2074 2075 struct snc_thermal_ctrl { 2076 unsigned int mode; 2077 unsigned int profiles; 2078 struct device_attribute mode_attr; 2079 struct device_attribute profiles_attr; 2080 }; 2081 static struct snc_thermal_ctrl *th_handle; 2082 2083 #define THM_PROFILE_MAX 3 2084 static const char * const snc_thermal_profiles[] = { 2085 "balanced", 2086 "silent", 2087 "performance" 2088 }; 2089 2090 static int sony_nc_thermal_mode_set(unsigned short mode) 2091 { 2092 unsigned int result; 2093 2094 /* the thermal profile seems to be a two bit bitmask: 2095 * lsb -> silent 2096 * msb -> performance 2097 * no bit set is the normal operation and is always valid 2098 * Some vaio models only have "balanced" and "performance" 2099 */ 2100 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2101 return -EINVAL; 2102 2103 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2104 return -EIO; 2105 2106 th_handle->mode = mode; 2107 2108 return 0; 2109 } 2110 2111 static int sony_nc_thermal_mode_get(void) 2112 { 2113 unsigned int result; 2114 2115 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2116 return -EIO; 2117 2118 return result & 0xff; 2119 } 2120 2121 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2122 struct device_attribute *attr, char *buffer) 2123 { 2124 short cnt; 2125 size_t idx = 0; 2126 2127 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2128 if (!cnt || (th_handle->profiles & cnt)) 2129 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2130 snc_thermal_profiles[cnt]); 2131 } 2132 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2133 2134 return idx; 2135 } 2136 2137 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2138 struct device_attribute *attr, 2139 const char *buffer, size_t count) 2140 { 2141 unsigned short cmd; 2142 size_t len = count; 2143 2144 if (count == 0) 2145 return -EINVAL; 2146 2147 /* skip the newline if present */ 2148 if (buffer[len - 1] == '\n') 2149 len--; 2150 2151 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2152 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2153 break; 2154 2155 if (sony_nc_thermal_mode_set(cmd)) 2156 return -EIO; 2157 2158 return count; 2159 } 2160 2161 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2162 struct device_attribute *attr, char *buffer) 2163 { 2164 ssize_t count = 0; 2165 int mode = sony_nc_thermal_mode_get(); 2166 2167 if (mode < 0) 2168 return mode; 2169 2170 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2171 2172 return count; 2173 } 2174 2175 static int sony_nc_thermal_setup(struct platform_device *pd) 2176 { 2177 int ret = 0; 2178 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2179 if (!th_handle) 2180 return -ENOMEM; 2181 2182 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2183 if (ret) { 2184 pr_warn("couldn't to read the thermal profiles\n"); 2185 goto outkzalloc; 2186 } 2187 2188 ret = sony_nc_thermal_mode_get(); 2189 if (ret < 0) { 2190 pr_warn("couldn't to read the current thermal profile"); 2191 goto outkzalloc; 2192 } 2193 th_handle->mode = ret; 2194 2195 sysfs_attr_init(&th_handle->profiles_attr.attr); 2196 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2197 th_handle->profiles_attr.attr.mode = S_IRUGO; 2198 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2199 2200 sysfs_attr_init(&th_handle->mode_attr.attr); 2201 th_handle->mode_attr.attr.name = "thermal_control"; 2202 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2203 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2204 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2205 2206 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2207 if (ret) 2208 goto outkzalloc; 2209 2210 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2211 if (ret) 2212 goto outprofiles; 2213 2214 return 0; 2215 2216 outprofiles: 2217 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2218 outkzalloc: 2219 kfree(th_handle); 2220 th_handle = NULL; 2221 return ret; 2222 } 2223 2224 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2225 { 2226 if (th_handle) { 2227 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2228 device_remove_file(&pd->dev, &th_handle->mode_attr); 2229 kfree(th_handle); 2230 th_handle = NULL; 2231 } 2232 } 2233 2234 #ifdef CONFIG_PM_SLEEP 2235 static void sony_nc_thermal_resume(void) 2236 { 2237 unsigned int status = sony_nc_thermal_mode_get(); 2238 2239 if (status != th_handle->mode) 2240 sony_nc_thermal_mode_set(th_handle->mode); 2241 } 2242 #endif 2243 2244 /* resume on LID open */ 2245 struct snc_lid_resume_control { 2246 struct device_attribute attrs[3]; 2247 unsigned int status; 2248 }; 2249 static struct snc_lid_resume_control *lid_ctl; 2250 2251 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2252 struct device_attribute *attr, 2253 const char *buffer, size_t count) 2254 { 2255 unsigned int result, pos; 2256 unsigned long value; 2257 if (count > 31) 2258 return -EINVAL; 2259 2260 if (kstrtoul(buffer, 10, &value) || value > 1) 2261 return -EINVAL; 2262 2263 /* the value we have to write to SNC is a bitmask: 2264 * +--------------+ 2265 * | S3 | S4 | S5 | 2266 * +--------------+ 2267 * 2 1 0 2268 */ 2269 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2270 pos = 2; 2271 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2272 pos = 1; 2273 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2274 pos = 0; 2275 else 2276 return -EINVAL; 2277 2278 if (value) 2279 value = lid_ctl->status | (1 << pos); 2280 else 2281 value = lid_ctl->status & ~(1 << pos); 2282 2283 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) 2284 return -EIO; 2285 2286 lid_ctl->status = value; 2287 2288 return count; 2289 } 2290 2291 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2292 struct device_attribute *attr, char *buffer) 2293 { 2294 unsigned int pos; 2295 2296 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2297 pos = 2; 2298 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2299 pos = 1; 2300 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2301 pos = 0; 2302 else 2303 return -EINVAL; 2304 2305 return snprintf(buffer, PAGE_SIZE, "%d\n", 2306 (lid_ctl->status >> pos) & 0x01); 2307 } 2308 2309 static int sony_nc_lid_resume_setup(struct platform_device *pd) 2310 { 2311 unsigned int result; 2312 int i; 2313 2314 if (sony_call_snc_handle(0x0119, 0x0000, &result)) 2315 return -EIO; 2316 2317 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2318 if (!lid_ctl) 2319 return -ENOMEM; 2320 2321 lid_ctl->status = result & 0x7; 2322 2323 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2324 lid_ctl->attrs[0].attr.name = "lid_resume_S3"; 2325 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2326 lid_ctl->attrs[0].show = sony_nc_lid_resume_show; 2327 lid_ctl->attrs[0].store = sony_nc_lid_resume_store; 2328 2329 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2330 lid_ctl->attrs[1].attr.name = "lid_resume_S4"; 2331 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; 2332 lid_ctl->attrs[1].show = sony_nc_lid_resume_show; 2333 lid_ctl->attrs[1].store = sony_nc_lid_resume_store; 2334 2335 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2336 lid_ctl->attrs[2].attr.name = "lid_resume_S5"; 2337 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; 2338 lid_ctl->attrs[2].show = sony_nc_lid_resume_show; 2339 lid_ctl->attrs[2].store = sony_nc_lid_resume_store; 2340 2341 for (i = 0; i < 3; i++) { 2342 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2343 if (result) 2344 goto liderror; 2345 } 2346 2347 return 0; 2348 2349 liderror: 2350 for (i--; i >= 0; i--) 2351 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2352 2353 kfree(lid_ctl); 2354 lid_ctl = NULL; 2355 2356 return result; 2357 } 2358 2359 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2360 { 2361 int i; 2362 2363 if (lid_ctl) { 2364 for (i = 0; i < 3; i++) 2365 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2366 2367 kfree(lid_ctl); 2368 lid_ctl = NULL; 2369 } 2370 } 2371 2372 /* GFX Switch position */ 2373 enum gfx_switch { 2374 SPEED, 2375 STAMINA, 2376 AUTO 2377 }; 2378 struct snc_gfx_switch_control { 2379 struct device_attribute attr; 2380 unsigned int handle; 2381 }; 2382 static struct snc_gfx_switch_control *gfxs_ctl; 2383 2384 /* returns 0 for speed, 1 for stamina */ 2385 static int __sony_nc_gfx_switch_status_get(void) 2386 { 2387 unsigned int result; 2388 2389 if (sony_call_snc_handle(gfxs_ctl->handle, 2390 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2391 &result)) 2392 return -EIO; 2393 2394 switch (gfxs_ctl->handle) { 2395 case 0x0146: 2396 /* 1: discrete GFX (speed) 2397 * 0: integrated GFX (stamina) 2398 */ 2399 return result & 0x1 ? SPEED : STAMINA; 2400 break; 2401 case 0x015B: 2402 /* 0: discrete GFX (speed) 2403 * 1: integrated GFX (stamina) 2404 */ 2405 return result & 0x1 ? STAMINA : SPEED; 2406 break; 2407 case 0x0128: 2408 /* it's a more elaborated bitmask, for now: 2409 * 2: integrated GFX (stamina) 2410 * 0: discrete GFX (speed) 2411 */ 2412 dprintk("GFX Status: 0x%x\n", result); 2413 return result & 0x80 ? AUTO : 2414 result & 0x02 ? STAMINA : SPEED; 2415 break; 2416 } 2417 return -EINVAL; 2418 } 2419 2420 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2421 struct device_attribute *attr, 2422 char *buffer) 2423 { 2424 int pos = __sony_nc_gfx_switch_status_get(); 2425 2426 if (pos < 0) 2427 return pos; 2428 2429 return snprintf(buffer, PAGE_SIZE, "%s\n", 2430 pos == SPEED ? "speed" : 2431 pos == STAMINA ? "stamina" : 2432 pos == AUTO ? "auto" : "unknown"); 2433 } 2434 2435 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2436 unsigned int handle) 2437 { 2438 unsigned int result; 2439 2440 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2441 if (!gfxs_ctl) 2442 return -ENOMEM; 2443 2444 gfxs_ctl->handle = handle; 2445 2446 sysfs_attr_init(&gfxs_ctl->attr.attr); 2447 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2448 gfxs_ctl->attr.attr.mode = S_IRUGO; 2449 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2450 2451 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2452 if (result) 2453 goto gfxerror; 2454 2455 return 0; 2456 2457 gfxerror: 2458 kfree(gfxs_ctl); 2459 gfxs_ctl = NULL; 2460 2461 return result; 2462 } 2463 2464 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2465 { 2466 if (gfxs_ctl) { 2467 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2468 2469 kfree(gfxs_ctl); 2470 gfxs_ctl = NULL; 2471 } 2472 } 2473 2474 /* High speed charging function */ 2475 static struct device_attribute *hsc_handle; 2476 2477 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2478 struct device_attribute *attr, 2479 const char *buffer, size_t count) 2480 { 2481 unsigned int result; 2482 unsigned long value; 2483 2484 if (count > 31) 2485 return -EINVAL; 2486 2487 if (kstrtoul(buffer, 10, &value) || value > 1) 2488 return -EINVAL; 2489 2490 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2491 return -EIO; 2492 2493 return count; 2494 } 2495 2496 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2497 struct device_attribute *attr, char *buffer) 2498 { 2499 unsigned int result; 2500 2501 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2502 return -EIO; 2503 2504 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2505 } 2506 2507 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2508 { 2509 unsigned int result; 2510 2511 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2512 /* some models advertise the handle but have no implementation 2513 * for it 2514 */ 2515 pr_info("No High Speed Charging capability found\n"); 2516 return 0; 2517 } 2518 2519 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2520 if (!hsc_handle) 2521 return -ENOMEM; 2522 2523 sysfs_attr_init(&hsc_handle->attr); 2524 hsc_handle->attr.name = "battery_highspeed_charging"; 2525 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2526 hsc_handle->show = sony_nc_highspeed_charging_show; 2527 hsc_handle->store = sony_nc_highspeed_charging_store; 2528 2529 result = device_create_file(&pd->dev, hsc_handle); 2530 if (result) { 2531 kfree(hsc_handle); 2532 hsc_handle = NULL; 2533 return result; 2534 } 2535 2536 return 0; 2537 } 2538 2539 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2540 { 2541 if (hsc_handle) { 2542 device_remove_file(&pd->dev, hsc_handle); 2543 kfree(hsc_handle); 2544 hsc_handle = NULL; 2545 } 2546 } 2547 2548 /* Touchpad enable/disable */ 2549 struct touchpad_control { 2550 struct device_attribute attr; 2551 int handle; 2552 }; 2553 static struct touchpad_control *tp_ctl; 2554 2555 static ssize_t sony_nc_touchpad_store(struct device *dev, 2556 struct device_attribute *attr, const char *buffer, size_t count) 2557 { 2558 unsigned int result; 2559 unsigned long value; 2560 2561 if (count > 31) 2562 return -EINVAL; 2563 2564 if (kstrtoul(buffer, 10, &value) || value > 1) 2565 return -EINVAL; 2566 2567 /* sysfs: 0 disabled, 1 enabled 2568 * EC: 0 enabled, 1 disabled 2569 */ 2570 if (sony_call_snc_handle(tp_ctl->handle, 2571 (!value << 0x10) | 0x100, &result)) 2572 return -EIO; 2573 2574 return count; 2575 } 2576 2577 static ssize_t sony_nc_touchpad_show(struct device *dev, 2578 struct device_attribute *attr, char *buffer) 2579 { 2580 unsigned int result; 2581 2582 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2583 return -EINVAL; 2584 2585 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2586 } 2587 2588 static int sony_nc_touchpad_setup(struct platform_device *pd, 2589 unsigned int handle) 2590 { 2591 int ret = 0; 2592 2593 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2594 if (!tp_ctl) 2595 return -ENOMEM; 2596 2597 tp_ctl->handle = handle; 2598 2599 sysfs_attr_init(&tp_ctl->attr.attr); 2600 tp_ctl->attr.attr.name = "touchpad"; 2601 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 2602 tp_ctl->attr.show = sony_nc_touchpad_show; 2603 tp_ctl->attr.store = sony_nc_touchpad_store; 2604 2605 ret = device_create_file(&pd->dev, &tp_ctl->attr); 2606 if (ret) { 2607 kfree(tp_ctl); 2608 tp_ctl = NULL; 2609 } 2610 2611 return ret; 2612 } 2613 2614 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 2615 { 2616 if (tp_ctl) { 2617 device_remove_file(&pd->dev, &tp_ctl->attr); 2618 kfree(tp_ctl); 2619 tp_ctl = NULL; 2620 } 2621 } 2622 2623 static void sony_nc_backlight_ng_read_limits(int handle, 2624 struct sony_backlight_props *props) 2625 { 2626 u64 offset; 2627 int i; 2628 int lvl_table_len = 0; 2629 u8 min = 0xff, max = 0x00; 2630 unsigned char buffer[32] = { 0 }; 2631 2632 props->handle = handle; 2633 props->offset = 0; 2634 props->maxlvl = 0xff; 2635 2636 offset = sony_find_snc_handle(handle); 2637 2638 /* try to read the boundaries from ACPI tables, if we fail the above 2639 * defaults should be reasonable 2640 */ 2641 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 2642 32); 2643 if (i < 0) 2644 return; 2645 2646 switch (handle) { 2647 case 0x012f: 2648 case 0x0137: 2649 lvl_table_len = 9; 2650 break; 2651 case 0x143: 2652 case 0x14b: 2653 case 0x14c: 2654 lvl_table_len = 16; 2655 break; 2656 } 2657 2658 /* the buffer lists brightness levels available, brightness levels are 2659 * from position 0 to 8 in the array, other values are used by ALS 2660 * control. 2661 */ 2662 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 2663 2664 dprintk("Brightness level: %d\n", buffer[i]); 2665 2666 if (!buffer[i]) 2667 break; 2668 2669 if (buffer[i] > max) 2670 max = buffer[i]; 2671 if (buffer[i] < min) 2672 min = buffer[i]; 2673 } 2674 props->offset = min; 2675 props->maxlvl = max; 2676 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 2677 props->maxlvl); 2678 } 2679 2680 static void sony_nc_backlight_setup(void) 2681 { 2682 int max_brightness = 0; 2683 const struct backlight_ops *ops = NULL; 2684 struct backlight_properties props; 2685 2686 if (sony_find_snc_handle(0x12f) >= 0) { 2687 ops = &sony_backlight_ng_ops; 2688 sony_bl_props.cmd_base = 0x0100; 2689 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 2690 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2691 2692 } else if (sony_find_snc_handle(0x137) >= 0) { 2693 ops = &sony_backlight_ng_ops; 2694 sony_bl_props.cmd_base = 0x0100; 2695 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 2696 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2697 2698 } else if (sony_find_snc_handle(0x143) >= 0) { 2699 ops = &sony_backlight_ng_ops; 2700 sony_bl_props.cmd_base = 0x3000; 2701 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 2702 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2703 2704 } else if (sony_find_snc_handle(0x14b) >= 0) { 2705 ops = &sony_backlight_ng_ops; 2706 sony_bl_props.cmd_base = 0x3000; 2707 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 2708 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2709 2710 } else if (sony_find_snc_handle(0x14c) >= 0) { 2711 ops = &sony_backlight_ng_ops; 2712 sony_bl_props.cmd_base = 0x3000; 2713 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 2714 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2715 2716 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 2717 ops = &sony_backlight_ops; 2718 max_brightness = SONY_MAX_BRIGHTNESS - 1; 2719 2720 } else 2721 return; 2722 2723 memset(&props, 0, sizeof(struct backlight_properties)); 2724 props.type = BACKLIGHT_PLATFORM; 2725 props.max_brightness = max_brightness; 2726 sony_bl_props.dev = backlight_device_register("sony", NULL, 2727 &sony_bl_props, 2728 ops, &props); 2729 2730 if (IS_ERR(sony_bl_props.dev)) { 2731 pr_warn("unable to register backlight device\n"); 2732 sony_bl_props.dev = NULL; 2733 } else 2734 sony_bl_props.dev->props.brightness = 2735 ops->get_brightness(sony_bl_props.dev); 2736 } 2737 2738 static void sony_nc_backlight_cleanup(void) 2739 { 2740 if (sony_bl_props.dev) 2741 backlight_device_unregister(sony_bl_props.dev); 2742 } 2743 2744 static int sony_nc_add(struct acpi_device *device) 2745 { 2746 acpi_status status; 2747 int result = 0; 2748 struct sony_nc_value *item; 2749 2750 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2751 2752 sony_nc_acpi_device = device; 2753 strcpy(acpi_device_class(device), "sony/hotkey"); 2754 2755 sony_nc_acpi_handle = device->handle; 2756 2757 /* read device status */ 2758 result = acpi_bus_get_status(device); 2759 /* bail IFF the above call was successful and the device is not present */ 2760 if (!result && !device->status.present) { 2761 dprintk("Device not present\n"); 2762 result = -ENODEV; 2763 goto outwalk; 2764 } 2765 2766 result = sony_pf_add(); 2767 if (result) 2768 goto outpresent; 2769 2770 if (debug) { 2771 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 2772 sony_nc_acpi_handle, 1, sony_walk_callback, 2773 NULL, NULL, NULL); 2774 if (ACPI_FAILURE(status)) { 2775 pr_warn("unable to walk acpi resources\n"); 2776 result = -ENODEV; 2777 goto outpresent; 2778 } 2779 } 2780 2781 result = sony_laptop_setup_input(device); 2782 if (result) { 2783 pr_err("Unable to create input devices\n"); 2784 goto outplatform; 2785 } 2786 2787 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 2788 int arg = 1; 2789 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 2790 dprintk("ECON Method failed\n"); 2791 } 2792 2793 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 2794 dprintk("Doing SNC setup\n"); 2795 /* retrieve the available handles */ 2796 result = sony_nc_handles_setup(sony_pf_device); 2797 if (!result) 2798 sony_nc_function_setup(device, sony_pf_device); 2799 } 2800 2801 /* setup input devices and helper fifo */ 2802 if (acpi_video_backlight_support()) { 2803 pr_info("brightness ignored, must be controlled by ACPI video driver\n"); 2804 } else { 2805 sony_nc_backlight_setup(); 2806 } 2807 2808 /* create sony_pf sysfs attributes related to the SNC device */ 2809 for (item = sony_nc_values; item->name; ++item) { 2810 2811 if (!debug && item->debug) 2812 continue; 2813 2814 /* find the available acpiget as described in the DSDT */ 2815 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 2816 if (acpi_has_method(sony_nc_acpi_handle, 2817 *item->acpiget)) { 2818 dprintk("Found %s getter: %s\n", 2819 item->name, *item->acpiget); 2820 item->devattr.attr.mode |= S_IRUGO; 2821 break; 2822 } 2823 } 2824 2825 /* find the available acpiset as described in the DSDT */ 2826 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 2827 if (acpi_has_method(sony_nc_acpi_handle, 2828 *item->acpiset)) { 2829 dprintk("Found %s setter: %s\n", 2830 item->name, *item->acpiset); 2831 item->devattr.attr.mode |= S_IWUSR; 2832 break; 2833 } 2834 } 2835 2836 if (item->devattr.attr.mode != 0) { 2837 result = 2838 device_create_file(&sony_pf_device->dev, 2839 &item->devattr); 2840 if (result) 2841 goto out_sysfs; 2842 } 2843 } 2844 2845 return 0; 2846 2847 out_sysfs: 2848 for (item = sony_nc_values; item->name; ++item) { 2849 device_remove_file(&sony_pf_device->dev, &item->devattr); 2850 } 2851 sony_nc_backlight_cleanup(); 2852 sony_nc_function_cleanup(sony_pf_device); 2853 sony_nc_handles_cleanup(sony_pf_device); 2854 2855 outplatform: 2856 sony_laptop_remove_input(); 2857 2858 outpresent: 2859 sony_pf_remove(); 2860 2861 outwalk: 2862 sony_nc_rfkill_cleanup(); 2863 return result; 2864 } 2865 2866 static int sony_nc_remove(struct acpi_device *device) 2867 { 2868 struct sony_nc_value *item; 2869 2870 sony_nc_backlight_cleanup(); 2871 2872 sony_nc_acpi_device = NULL; 2873 2874 for (item = sony_nc_values; item->name; ++item) { 2875 device_remove_file(&sony_pf_device->dev, &item->devattr); 2876 } 2877 2878 sony_nc_function_cleanup(sony_pf_device); 2879 sony_nc_handles_cleanup(sony_pf_device); 2880 sony_pf_remove(); 2881 sony_laptop_remove_input(); 2882 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 2883 2884 return 0; 2885 } 2886 2887 static const struct acpi_device_id sony_device_ids[] = { 2888 {SONY_NC_HID, 0}, 2889 {SONY_PIC_HID, 0}, 2890 {"", 0}, 2891 }; 2892 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 2893 2894 static const struct acpi_device_id sony_nc_device_ids[] = { 2895 {SONY_NC_HID, 0}, 2896 {"", 0}, 2897 }; 2898 2899 static struct acpi_driver sony_nc_driver = { 2900 .name = SONY_NC_DRIVER_NAME, 2901 .class = SONY_NC_CLASS, 2902 .ids = sony_nc_device_ids, 2903 .owner = THIS_MODULE, 2904 .ops = { 2905 .add = sony_nc_add, 2906 .remove = sony_nc_remove, 2907 .notify = sony_nc_notify, 2908 }, 2909 .drv.pm = &sony_nc_pm, 2910 }; 2911 2912 /*********** SPIC (SNY6001) Device ***********/ 2913 2914 #define SONYPI_DEVICE_TYPE1 0x00000001 2915 #define SONYPI_DEVICE_TYPE2 0x00000002 2916 #define SONYPI_DEVICE_TYPE3 0x00000004 2917 2918 #define SONYPI_TYPE1_OFFSET 0x04 2919 #define SONYPI_TYPE2_OFFSET 0x12 2920 #define SONYPI_TYPE3_OFFSET 0x12 2921 2922 struct sony_pic_ioport { 2923 struct acpi_resource_io io1; 2924 struct acpi_resource_io io2; 2925 struct list_head list; 2926 }; 2927 2928 struct sony_pic_irq { 2929 struct acpi_resource_irq irq; 2930 struct list_head list; 2931 }; 2932 2933 struct sonypi_eventtypes { 2934 u8 data; 2935 unsigned long mask; 2936 struct sonypi_event *events; 2937 }; 2938 2939 struct sony_pic_dev { 2940 struct acpi_device *acpi_dev; 2941 struct sony_pic_irq *cur_irq; 2942 struct sony_pic_ioport *cur_ioport; 2943 struct list_head interrupts; 2944 struct list_head ioports; 2945 struct mutex lock; 2946 struct sonypi_eventtypes *event_types; 2947 int (*handle_irq)(const u8, const u8); 2948 int model; 2949 u16 evport_offset; 2950 u8 camera_power; 2951 u8 bluetooth_power; 2952 u8 wwan_power; 2953 }; 2954 2955 static struct sony_pic_dev spic_dev = { 2956 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 2957 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 2958 }; 2959 2960 static int spic_drv_registered; 2961 2962 /* Event masks */ 2963 #define SONYPI_JOGGER_MASK 0x00000001 2964 #define SONYPI_CAPTURE_MASK 0x00000002 2965 #define SONYPI_FNKEY_MASK 0x00000004 2966 #define SONYPI_BLUETOOTH_MASK 0x00000008 2967 #define SONYPI_PKEY_MASK 0x00000010 2968 #define SONYPI_BACK_MASK 0x00000020 2969 #define SONYPI_HELP_MASK 0x00000040 2970 #define SONYPI_LID_MASK 0x00000080 2971 #define SONYPI_ZOOM_MASK 0x00000100 2972 #define SONYPI_THUMBPHRASE_MASK 0x00000200 2973 #define SONYPI_MEYE_MASK 0x00000400 2974 #define SONYPI_MEMORYSTICK_MASK 0x00000800 2975 #define SONYPI_BATTERY_MASK 0x00001000 2976 #define SONYPI_WIRELESS_MASK 0x00002000 2977 2978 struct sonypi_event { 2979 u8 data; 2980 u8 event; 2981 }; 2982 2983 /* The set of possible button release events */ 2984 static struct sonypi_event sonypi_releaseev[] = { 2985 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 2986 { 0, 0 } 2987 }; 2988 2989 /* The set of possible jogger events */ 2990 static struct sonypi_event sonypi_joggerev[] = { 2991 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 2992 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 2993 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 2994 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 2995 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 2996 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 2997 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 2998 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 2999 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3000 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3001 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3002 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3003 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3004 { 0, 0 } 3005 }; 3006 3007 /* The set of possible capture button events */ 3008 static struct sonypi_event sonypi_captureev[] = { 3009 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3010 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3011 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3012 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3013 { 0, 0 } 3014 }; 3015 3016 /* The set of possible fnkeys events */ 3017 static struct sonypi_event sonypi_fnkeyev[] = { 3018 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3019 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3020 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3021 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3022 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3023 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3024 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3025 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3026 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3027 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3028 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3029 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3030 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3031 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3032 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3033 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3034 { 0x31, SONYPI_EVENT_FNKEY_D }, 3035 { 0x32, SONYPI_EVENT_FNKEY_E }, 3036 { 0x33, SONYPI_EVENT_FNKEY_F }, 3037 { 0x34, SONYPI_EVENT_FNKEY_S }, 3038 { 0x35, SONYPI_EVENT_FNKEY_B }, 3039 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3040 { 0, 0 } 3041 }; 3042 3043 /* The set of possible program key events */ 3044 static struct sonypi_event sonypi_pkeyev[] = { 3045 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3046 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3047 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3048 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3049 { 0, 0 } 3050 }; 3051 3052 /* The set of possible bluetooth events */ 3053 static struct sonypi_event sonypi_blueev[] = { 3054 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3055 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3056 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3057 { 0, 0 } 3058 }; 3059 3060 /* The set of possible wireless events */ 3061 static struct sonypi_event sonypi_wlessev[] = { 3062 { 0x59, SONYPI_EVENT_IGNORE }, 3063 { 0x5a, SONYPI_EVENT_IGNORE }, 3064 { 0, 0 } 3065 }; 3066 3067 /* The set of possible back button events */ 3068 static struct sonypi_event sonypi_backev[] = { 3069 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3070 { 0, 0 } 3071 }; 3072 3073 /* The set of possible help button events */ 3074 static struct sonypi_event sonypi_helpev[] = { 3075 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3076 { 0, 0 } 3077 }; 3078 3079 3080 /* The set of possible lid events */ 3081 static struct sonypi_event sonypi_lidev[] = { 3082 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3083 { 0x50, SONYPI_EVENT_LID_OPENED }, 3084 { 0, 0 } 3085 }; 3086 3087 /* The set of possible zoom events */ 3088 static struct sonypi_event sonypi_zoomev[] = { 3089 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3090 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3091 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3092 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3093 { 0, 0 } 3094 }; 3095 3096 /* The set of possible thumbphrase events */ 3097 static struct sonypi_event sonypi_thumbphraseev[] = { 3098 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3099 { 0, 0 } 3100 }; 3101 3102 /* The set of possible motioneye camera events */ 3103 static struct sonypi_event sonypi_meyeev[] = { 3104 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3105 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3106 { 0, 0 } 3107 }; 3108 3109 /* The set of possible memorystick events */ 3110 static struct sonypi_event sonypi_memorystickev[] = { 3111 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3112 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3113 { 0, 0 } 3114 }; 3115 3116 /* The set of possible battery events */ 3117 static struct sonypi_event sonypi_batteryev[] = { 3118 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3119 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3120 { 0, 0 } 3121 }; 3122 3123 /* The set of possible volume events */ 3124 static struct sonypi_event sonypi_volumeev[] = { 3125 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3126 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3127 { 0, 0 } 3128 }; 3129 3130 /* The set of possible brightness events */ 3131 static struct sonypi_event sonypi_brightnessev[] = { 3132 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3133 { 0, 0 } 3134 }; 3135 3136 static struct sonypi_eventtypes type1_events[] = { 3137 { 0, 0xffffffff, sonypi_releaseev }, 3138 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3139 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3140 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3141 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3142 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3143 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3144 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3145 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3146 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3147 { 0 }, 3148 }; 3149 static struct sonypi_eventtypes type2_events[] = { 3150 { 0, 0xffffffff, sonypi_releaseev }, 3151 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3152 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3153 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3154 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3155 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3156 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3157 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3158 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3159 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3160 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3161 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3162 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3163 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3164 { 0 }, 3165 }; 3166 static struct sonypi_eventtypes type3_events[] = { 3167 { 0, 0xffffffff, sonypi_releaseev }, 3168 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3169 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3170 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3171 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3172 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3173 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3174 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3175 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3176 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3177 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3178 { 0 }, 3179 }; 3180 3181 /* low level spic calls */ 3182 #define ITERATIONS_LONG 10000 3183 #define ITERATIONS_SHORT 10 3184 #define wait_on_command(command, iterations) { \ 3185 unsigned int n = iterations; \ 3186 while (--n && (command)) \ 3187 udelay(1); \ 3188 if (!n) \ 3189 dprintk("command failed at %s : %s (line %d)\n", \ 3190 __FILE__, __func__, __LINE__); \ 3191 } 3192 3193 static u8 sony_pic_call1(u8 dev) 3194 { 3195 u8 v1, v2; 3196 3197 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3198 ITERATIONS_LONG); 3199 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3200 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3201 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3202 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3203 return v2; 3204 } 3205 3206 static u8 sony_pic_call2(u8 dev, u8 fn) 3207 { 3208 u8 v1; 3209 3210 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3211 ITERATIONS_LONG); 3212 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3213 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3214 ITERATIONS_LONG); 3215 outb(fn, spic_dev.cur_ioport->io1.minimum); 3216 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3217 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3218 return v1; 3219 } 3220 3221 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3222 { 3223 u8 v1; 3224 3225 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3226 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3227 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3228 outb(fn, spic_dev.cur_ioport->io1.minimum); 3229 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3230 outb(v, spic_dev.cur_ioport->io1.minimum); 3231 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3232 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3233 dev, fn, v, v1); 3234 return v1; 3235 } 3236 3237 /* 3238 * minidrivers for SPIC models 3239 */ 3240 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3241 { 3242 /* 3243 * 0x31 could mean we have to take some extra action and wait for 3244 * the next irq for some Type3 models, it will generate a new 3245 * irq and we can read new data from the device: 3246 * - 0x5c and 0x5f requires 0xA0 3247 * - 0x61 requires 0xB3 3248 */ 3249 if (data_mask == 0x31) { 3250 if (ev == 0x5c || ev == 0x5f) 3251 sony_pic_call1(0xA0); 3252 else if (ev == 0x61) 3253 sony_pic_call1(0xB3); 3254 return 0; 3255 } 3256 return 1; 3257 } 3258 3259 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3260 { 3261 struct pci_dev *pcidev; 3262 3263 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3264 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3265 if (pcidev) { 3266 dev->model = SONYPI_DEVICE_TYPE1; 3267 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3268 dev->event_types = type1_events; 3269 goto out; 3270 } 3271 3272 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3273 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3274 if (pcidev) { 3275 dev->model = SONYPI_DEVICE_TYPE2; 3276 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3277 dev->event_types = type2_events; 3278 goto out; 3279 } 3280 3281 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3282 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3283 if (pcidev) { 3284 dev->model = SONYPI_DEVICE_TYPE3; 3285 dev->handle_irq = type3_handle_irq; 3286 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3287 dev->event_types = type3_events; 3288 goto out; 3289 } 3290 3291 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3292 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3293 if (pcidev) { 3294 dev->model = SONYPI_DEVICE_TYPE3; 3295 dev->handle_irq = type3_handle_irq; 3296 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3297 dev->event_types = type3_events; 3298 goto out; 3299 } 3300 3301 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3302 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3303 if (pcidev) { 3304 dev->model = SONYPI_DEVICE_TYPE3; 3305 dev->handle_irq = type3_handle_irq; 3306 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3307 dev->event_types = type3_events; 3308 goto out; 3309 } 3310 3311 /* default */ 3312 dev->model = SONYPI_DEVICE_TYPE2; 3313 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3314 dev->event_types = type2_events; 3315 3316 out: 3317 if (pcidev) 3318 pci_dev_put(pcidev); 3319 3320 pr_info("detected Type%d model\n", 3321 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3322 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3323 } 3324 3325 /* camera tests and poweron/poweroff */ 3326 #define SONYPI_CAMERA_PICTURE 5 3327 #define SONYPI_CAMERA_CONTROL 0x10 3328 3329 #define SONYPI_CAMERA_BRIGHTNESS 0 3330 #define SONYPI_CAMERA_CONTRAST 1 3331 #define SONYPI_CAMERA_HUE 2 3332 #define SONYPI_CAMERA_COLOR 3 3333 #define SONYPI_CAMERA_SHARPNESS 4 3334 3335 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3336 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3337 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3338 #define SONYPI_CAMERA_MUTE_MASK 0x40 3339 3340 /* the rest don't need a loop until not 0xff */ 3341 #define SONYPI_CAMERA_AGC 6 3342 #define SONYPI_CAMERA_AGC_MASK 0x30 3343 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3344 3345 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3346 #define SONYPI_CAMERA_CONTROL 0x10 3347 3348 #define SONYPI_CAMERA_STATUS 7 3349 #define SONYPI_CAMERA_STATUS_READY 0x2 3350 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3351 3352 #define SONYPI_DIRECTION_BACKWARDS 0x4 3353 3354 #define SONYPI_CAMERA_REVISION 8 3355 #define SONYPI_CAMERA_ROMVERSION 9 3356 3357 static int __sony_pic_camera_ready(void) 3358 { 3359 u8 v; 3360 3361 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3362 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3363 } 3364 3365 static int __sony_pic_camera_off(void) 3366 { 3367 if (!camera) { 3368 pr_warn("camera control not enabled\n"); 3369 return -ENODEV; 3370 } 3371 3372 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3373 SONYPI_CAMERA_MUTE_MASK), 3374 ITERATIONS_SHORT); 3375 3376 if (spic_dev.camera_power) { 3377 sony_pic_call2(0x91, 0); 3378 spic_dev.camera_power = 0; 3379 } 3380 return 0; 3381 } 3382 3383 static int __sony_pic_camera_on(void) 3384 { 3385 int i, j, x; 3386 3387 if (!camera) { 3388 pr_warn("camera control not enabled\n"); 3389 return -ENODEV; 3390 } 3391 3392 if (spic_dev.camera_power) 3393 return 0; 3394 3395 for (j = 5; j > 0; j--) { 3396 3397 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3398 msleep(10); 3399 sony_pic_call1(0x93); 3400 3401 for (i = 400; i > 0; i--) { 3402 if (__sony_pic_camera_ready()) 3403 break; 3404 msleep(10); 3405 } 3406 if (i) 3407 break; 3408 } 3409 3410 if (j == 0) { 3411 pr_warn("failed to power on camera\n"); 3412 return -ENODEV; 3413 } 3414 3415 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3416 0x5a), 3417 ITERATIONS_SHORT); 3418 3419 spic_dev.camera_power = 1; 3420 return 0; 3421 } 3422 3423 /* External camera command (exported to the motion eye v4l driver) */ 3424 int sony_pic_camera_command(int command, u8 value) 3425 { 3426 if (!camera) 3427 return -EIO; 3428 3429 mutex_lock(&spic_dev.lock); 3430 3431 switch (command) { 3432 case SONY_PIC_COMMAND_SETCAMERA: 3433 if (value) 3434 __sony_pic_camera_on(); 3435 else 3436 __sony_pic_camera_off(); 3437 break; 3438 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3439 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3440 ITERATIONS_SHORT); 3441 break; 3442 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3443 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3444 ITERATIONS_SHORT); 3445 break; 3446 case SONY_PIC_COMMAND_SETCAMERAHUE: 3447 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3448 ITERATIONS_SHORT); 3449 break; 3450 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3451 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3452 ITERATIONS_SHORT); 3453 break; 3454 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3455 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3456 ITERATIONS_SHORT); 3457 break; 3458 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3459 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3460 ITERATIONS_SHORT); 3461 break; 3462 case SONY_PIC_COMMAND_SETCAMERAAGC: 3463 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3464 ITERATIONS_SHORT); 3465 break; 3466 default: 3467 pr_err("sony_pic_camera_command invalid: %d\n", command); 3468 break; 3469 } 3470 mutex_unlock(&spic_dev.lock); 3471 return 0; 3472 } 3473 EXPORT_SYMBOL(sony_pic_camera_command); 3474 3475 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3476 static void __sony_pic_set_wwanpower(u8 state) 3477 { 3478 state = !!state; 3479 if (spic_dev.wwan_power == state) 3480 return; 3481 sony_pic_call2(0xB0, state); 3482 sony_pic_call1(0x82); 3483 spic_dev.wwan_power = state; 3484 } 3485 3486 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3487 struct device_attribute *attr, 3488 const char *buffer, size_t count) 3489 { 3490 unsigned long value; 3491 if (count > 31) 3492 return -EINVAL; 3493 3494 if (kstrtoul(buffer, 10, &value)) 3495 return -EINVAL; 3496 3497 mutex_lock(&spic_dev.lock); 3498 __sony_pic_set_wwanpower(value); 3499 mutex_unlock(&spic_dev.lock); 3500 3501 return count; 3502 } 3503 3504 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3505 struct device_attribute *attr, char *buffer) 3506 { 3507 ssize_t count; 3508 mutex_lock(&spic_dev.lock); 3509 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3510 mutex_unlock(&spic_dev.lock); 3511 return count; 3512 } 3513 3514 /* bluetooth subsystem power state */ 3515 static void __sony_pic_set_bluetoothpower(u8 state) 3516 { 3517 state = !!state; 3518 if (spic_dev.bluetooth_power == state) 3519 return; 3520 sony_pic_call2(0x96, state); 3521 sony_pic_call1(0x82); 3522 spic_dev.bluetooth_power = state; 3523 } 3524 3525 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3526 struct device_attribute *attr, 3527 const char *buffer, size_t count) 3528 { 3529 unsigned long value; 3530 if (count > 31) 3531 return -EINVAL; 3532 3533 if (kstrtoul(buffer, 10, &value)) 3534 return -EINVAL; 3535 3536 mutex_lock(&spic_dev.lock); 3537 __sony_pic_set_bluetoothpower(value); 3538 mutex_unlock(&spic_dev.lock); 3539 3540 return count; 3541 } 3542 3543 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3544 struct device_attribute *attr, char *buffer) 3545 { 3546 ssize_t count = 0; 3547 mutex_lock(&spic_dev.lock); 3548 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3549 mutex_unlock(&spic_dev.lock); 3550 return count; 3551 } 3552 3553 /* fan speed */ 3554 /* FAN0 information (reverse engineered from ACPI tables) */ 3555 #define SONY_PIC_FAN0_STATUS 0x93 3556 static int sony_pic_set_fanspeed(unsigned long value) 3557 { 3558 return ec_write(SONY_PIC_FAN0_STATUS, value); 3559 } 3560 3561 static int sony_pic_get_fanspeed(u8 *value) 3562 { 3563 return ec_read(SONY_PIC_FAN0_STATUS, value); 3564 } 3565 3566 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3567 struct device_attribute *attr, 3568 const char *buffer, size_t count) 3569 { 3570 unsigned long value; 3571 if (count > 31) 3572 return -EINVAL; 3573 3574 if (kstrtoul(buffer, 10, &value)) 3575 return -EINVAL; 3576 3577 if (sony_pic_set_fanspeed(value)) 3578 return -EIO; 3579 3580 return count; 3581 } 3582 3583 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3584 struct device_attribute *attr, char *buffer) 3585 { 3586 u8 value = 0; 3587 if (sony_pic_get_fanspeed(&value)) 3588 return -EIO; 3589 3590 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 3591 } 3592 3593 #define SPIC_ATTR(_name, _mode) \ 3594 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3595 _mode, sony_pic_## _name ##_show, \ 3596 sony_pic_## _name ##_store) 3597 3598 static SPIC_ATTR(bluetoothpower, 0644); 3599 static SPIC_ATTR(wwanpower, 0644); 3600 static SPIC_ATTR(fanspeed, 0644); 3601 3602 static struct attribute *spic_attributes[] = { 3603 &spic_attr_bluetoothpower.attr, 3604 &spic_attr_wwanpower.attr, 3605 &spic_attr_fanspeed.attr, 3606 NULL 3607 }; 3608 3609 static struct attribute_group spic_attribute_group = { 3610 .attrs = spic_attributes 3611 }; 3612 3613 /******** SONYPI compatibility **********/ 3614 #ifdef CONFIG_SONYPI_COMPAT 3615 3616 /* battery / brightness / temperature addresses */ 3617 #define SONYPI_BAT_FLAGS 0x81 3618 #define SONYPI_LCD_LIGHT 0x96 3619 #define SONYPI_BAT1_PCTRM 0xa0 3620 #define SONYPI_BAT1_LEFT 0xa2 3621 #define SONYPI_BAT1_MAXRT 0xa4 3622 #define SONYPI_BAT2_PCTRM 0xa8 3623 #define SONYPI_BAT2_LEFT 0xaa 3624 #define SONYPI_BAT2_MAXRT 0xac 3625 #define SONYPI_BAT1_MAXTK 0xb0 3626 #define SONYPI_BAT1_FULL 0xb2 3627 #define SONYPI_BAT2_MAXTK 0xb8 3628 #define SONYPI_BAT2_FULL 0xba 3629 #define SONYPI_TEMP_STATUS 0xC1 3630 3631 struct sonypi_compat_s { 3632 struct fasync_struct *fifo_async; 3633 struct kfifo fifo; 3634 spinlock_t fifo_lock; 3635 wait_queue_head_t fifo_proc_list; 3636 atomic_t open_count; 3637 }; 3638 static struct sonypi_compat_s sonypi_compat = { 3639 .open_count = ATOMIC_INIT(0), 3640 }; 3641 3642 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 3643 { 3644 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 3645 } 3646 3647 static int sonypi_misc_release(struct inode *inode, struct file *file) 3648 { 3649 atomic_dec(&sonypi_compat.open_count); 3650 return 0; 3651 } 3652 3653 static int sonypi_misc_open(struct inode *inode, struct file *file) 3654 { 3655 /* Flush input queue on first open */ 3656 unsigned long flags; 3657 3658 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 3659 3660 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 3661 kfifo_reset(&sonypi_compat.fifo); 3662 3663 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 3664 3665 return 0; 3666 } 3667 3668 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 3669 size_t count, loff_t *pos) 3670 { 3671 ssize_t ret; 3672 unsigned char c; 3673 3674 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 3675 (file->f_flags & O_NONBLOCK)) 3676 return -EAGAIN; 3677 3678 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 3679 kfifo_len(&sonypi_compat.fifo) != 0); 3680 if (ret) 3681 return ret; 3682 3683 while (ret < count && 3684 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 3685 &sonypi_compat.fifo_lock) == sizeof(c))) { 3686 if (put_user(c, buf++)) 3687 return -EFAULT; 3688 ret++; 3689 } 3690 3691 if (ret > 0) { 3692 struct inode *inode = file_inode(file); 3693 inode->i_atime = current_fs_time(inode->i_sb); 3694 } 3695 3696 return ret; 3697 } 3698 3699 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 3700 { 3701 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 3702 if (kfifo_len(&sonypi_compat.fifo)) 3703 return POLLIN | POLLRDNORM; 3704 return 0; 3705 } 3706 3707 static int ec_read16(u8 addr, u16 *value) 3708 { 3709 u8 val_lb, val_hb; 3710 if (ec_read(addr, &val_lb)) 3711 return -1; 3712 if (ec_read(addr + 1, &val_hb)) 3713 return -1; 3714 *value = val_lb | (val_hb << 8); 3715 return 0; 3716 } 3717 3718 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 3719 unsigned long arg) 3720 { 3721 int ret = 0; 3722 void __user *argp = (void __user *)arg; 3723 u8 val8; 3724 u16 val16; 3725 int value; 3726 3727 mutex_lock(&spic_dev.lock); 3728 switch (cmd) { 3729 case SONYPI_IOCGBRT: 3730 if (sony_bl_props.dev == NULL) { 3731 ret = -EIO; 3732 break; 3733 } 3734 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 3735 &value)) { 3736 ret = -EIO; 3737 break; 3738 } 3739 val8 = ((value & 0xff) - 1) << 5; 3740 if (copy_to_user(argp, &val8, sizeof(val8))) 3741 ret = -EFAULT; 3742 break; 3743 case SONYPI_IOCSBRT: 3744 if (sony_bl_props.dev == NULL) { 3745 ret = -EIO; 3746 break; 3747 } 3748 if (copy_from_user(&val8, argp, sizeof(val8))) { 3749 ret = -EFAULT; 3750 break; 3751 } 3752 value = (val8 >> 5) + 1; 3753 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 3754 NULL)) { 3755 ret = -EIO; 3756 break; 3757 } 3758 /* sync the backlight device status */ 3759 sony_bl_props.dev->props.brightness = 3760 sony_backlight_get_brightness(sony_bl_props.dev); 3761 break; 3762 case SONYPI_IOCGBAT1CAP: 3763 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 3764 ret = -EIO; 3765 break; 3766 } 3767 if (copy_to_user(argp, &val16, sizeof(val16))) 3768 ret = -EFAULT; 3769 break; 3770 case SONYPI_IOCGBAT1REM: 3771 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 3772 ret = -EIO; 3773 break; 3774 } 3775 if (copy_to_user(argp, &val16, sizeof(val16))) 3776 ret = -EFAULT; 3777 break; 3778 case SONYPI_IOCGBAT2CAP: 3779 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 3780 ret = -EIO; 3781 break; 3782 } 3783 if (copy_to_user(argp, &val16, sizeof(val16))) 3784 ret = -EFAULT; 3785 break; 3786 case SONYPI_IOCGBAT2REM: 3787 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 3788 ret = -EIO; 3789 break; 3790 } 3791 if (copy_to_user(argp, &val16, sizeof(val16))) 3792 ret = -EFAULT; 3793 break; 3794 case SONYPI_IOCGBATFLAGS: 3795 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 3796 ret = -EIO; 3797 break; 3798 } 3799 val8 &= 0x07; 3800 if (copy_to_user(argp, &val8, sizeof(val8))) 3801 ret = -EFAULT; 3802 break; 3803 case SONYPI_IOCGBLUE: 3804 val8 = spic_dev.bluetooth_power; 3805 if (copy_to_user(argp, &val8, sizeof(val8))) 3806 ret = -EFAULT; 3807 break; 3808 case SONYPI_IOCSBLUE: 3809 if (copy_from_user(&val8, argp, sizeof(val8))) { 3810 ret = -EFAULT; 3811 break; 3812 } 3813 __sony_pic_set_bluetoothpower(val8); 3814 break; 3815 /* FAN Controls */ 3816 case SONYPI_IOCGFAN: 3817 if (sony_pic_get_fanspeed(&val8)) { 3818 ret = -EIO; 3819 break; 3820 } 3821 if (copy_to_user(argp, &val8, sizeof(val8))) 3822 ret = -EFAULT; 3823 break; 3824 case SONYPI_IOCSFAN: 3825 if (copy_from_user(&val8, argp, sizeof(val8))) { 3826 ret = -EFAULT; 3827 break; 3828 } 3829 if (sony_pic_set_fanspeed(val8)) 3830 ret = -EIO; 3831 break; 3832 /* GET Temperature (useful under APM) */ 3833 case SONYPI_IOCGTEMP: 3834 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 3835 ret = -EIO; 3836 break; 3837 } 3838 if (copy_to_user(argp, &val8, sizeof(val8))) 3839 ret = -EFAULT; 3840 break; 3841 default: 3842 ret = -EINVAL; 3843 } 3844 mutex_unlock(&spic_dev.lock); 3845 return ret; 3846 } 3847 3848 static const struct file_operations sonypi_misc_fops = { 3849 .owner = THIS_MODULE, 3850 .read = sonypi_misc_read, 3851 .poll = sonypi_misc_poll, 3852 .open = sonypi_misc_open, 3853 .release = sonypi_misc_release, 3854 .fasync = sonypi_misc_fasync, 3855 .unlocked_ioctl = sonypi_misc_ioctl, 3856 .llseek = noop_llseek, 3857 }; 3858 3859 static struct miscdevice sonypi_misc_device = { 3860 .minor = MISC_DYNAMIC_MINOR, 3861 .name = "sonypi", 3862 .fops = &sonypi_misc_fops, 3863 }; 3864 3865 static void sonypi_compat_report_event(u8 event) 3866 { 3867 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 3868 sizeof(event), &sonypi_compat.fifo_lock); 3869 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 3870 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 3871 } 3872 3873 static int sonypi_compat_init(void) 3874 { 3875 int error; 3876 3877 spin_lock_init(&sonypi_compat.fifo_lock); 3878 error = 3879 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 3880 if (error) { 3881 pr_err("kfifo_alloc failed\n"); 3882 return error; 3883 } 3884 3885 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 3886 3887 if (minor != -1) 3888 sonypi_misc_device.minor = minor; 3889 error = misc_register(&sonypi_misc_device); 3890 if (error) { 3891 pr_err("misc_register failed\n"); 3892 goto err_free_kfifo; 3893 } 3894 if (minor == -1) 3895 pr_info("device allocated minor is %d\n", 3896 sonypi_misc_device.minor); 3897 3898 return 0; 3899 3900 err_free_kfifo: 3901 kfifo_free(&sonypi_compat.fifo); 3902 return error; 3903 } 3904 3905 static void sonypi_compat_exit(void) 3906 { 3907 misc_deregister(&sonypi_misc_device); 3908 kfifo_free(&sonypi_compat.fifo); 3909 } 3910 #else 3911 static int sonypi_compat_init(void) { return 0; } 3912 static void sonypi_compat_exit(void) { } 3913 static void sonypi_compat_report_event(u8 event) { } 3914 #endif /* CONFIG_SONYPI_COMPAT */ 3915 3916 /* 3917 * ACPI callbacks 3918 */ 3919 static acpi_status 3920 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 3921 { 3922 u32 i; 3923 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 3924 3925 switch (resource->type) { 3926 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 3927 { 3928 /* start IO enumeration */ 3929 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 3930 if (!ioport) 3931 return AE_ERROR; 3932 3933 list_add(&ioport->list, &dev->ioports); 3934 return AE_OK; 3935 } 3936 3937 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 3938 /* end IO enumeration */ 3939 return AE_OK; 3940 3941 case ACPI_RESOURCE_TYPE_IRQ: 3942 { 3943 struct acpi_resource_irq *p = &resource->data.irq; 3944 struct sony_pic_irq *interrupt = NULL; 3945 if (!p || !p->interrupt_count) { 3946 /* 3947 * IRQ descriptors may have no IRQ# bits set, 3948 * particularly those those w/ _STA disabled 3949 */ 3950 dprintk("Blank IRQ resource\n"); 3951 return AE_OK; 3952 } 3953 for (i = 0; i < p->interrupt_count; i++) { 3954 if (!p->interrupts[i]) { 3955 pr_warn("Invalid IRQ %d\n", 3956 p->interrupts[i]); 3957 continue; 3958 } 3959 interrupt = kzalloc(sizeof(*interrupt), 3960 GFP_KERNEL); 3961 if (!interrupt) 3962 return AE_ERROR; 3963 3964 list_add(&interrupt->list, &dev->interrupts); 3965 interrupt->irq.triggering = p->triggering; 3966 interrupt->irq.polarity = p->polarity; 3967 interrupt->irq.sharable = p->sharable; 3968 interrupt->irq.interrupt_count = 1; 3969 interrupt->irq.interrupts[0] = p->interrupts[i]; 3970 } 3971 return AE_OK; 3972 } 3973 case ACPI_RESOURCE_TYPE_IO: 3974 { 3975 struct acpi_resource_io *io = &resource->data.io; 3976 struct sony_pic_ioport *ioport = 3977 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 3978 if (!io) { 3979 dprintk("Blank IO resource\n"); 3980 return AE_OK; 3981 } 3982 3983 if (!ioport->io1.minimum) { 3984 memcpy(&ioport->io1, io, sizeof(*io)); 3985 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 3986 ioport->io1.address_length); 3987 } 3988 else if (!ioport->io2.minimum) { 3989 memcpy(&ioport->io2, io, sizeof(*io)); 3990 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 3991 ioport->io2.address_length); 3992 } 3993 else { 3994 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 3995 return AE_ERROR; 3996 } 3997 return AE_OK; 3998 } 3999 default: 4000 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4001 resource->type); 4002 4003 case ACPI_RESOURCE_TYPE_END_TAG: 4004 return AE_OK; 4005 } 4006 return AE_CTRL_TERMINATE; 4007 } 4008 4009 static int sony_pic_possible_resources(struct acpi_device *device) 4010 { 4011 int result = 0; 4012 acpi_status status = AE_OK; 4013 4014 if (!device) 4015 return -EINVAL; 4016 4017 /* get device status */ 4018 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4019 dprintk("Evaluating _STA\n"); 4020 result = acpi_bus_get_status(device); 4021 if (result) { 4022 pr_warn("Unable to read status\n"); 4023 goto end; 4024 } 4025 4026 if (!device->status.enabled) 4027 dprintk("Device disabled\n"); 4028 else 4029 dprintk("Device enabled\n"); 4030 4031 /* 4032 * Query and parse 'method' 4033 */ 4034 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4035 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4036 sony_pic_read_possible_resource, &spic_dev); 4037 if (ACPI_FAILURE(status)) { 4038 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4039 result = -ENODEV; 4040 } 4041 end: 4042 return result; 4043 } 4044 4045 /* 4046 * Disable the spic device by calling its _DIS method 4047 */ 4048 static int sony_pic_disable(struct acpi_device *device) 4049 { 4050 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4051 NULL); 4052 4053 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4054 return -ENXIO; 4055 4056 dprintk("Device disabled\n"); 4057 return 0; 4058 } 4059 4060 4061 /* 4062 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4063 * 4064 * Call _SRS to set current resources 4065 */ 4066 static int sony_pic_enable(struct acpi_device *device, 4067 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4068 { 4069 acpi_status status; 4070 int result = 0; 4071 /* Type 1 resource layout is: 4072 * IO 4073 * IO 4074 * IRQNoFlags 4075 * End 4076 * 4077 * Type 2 and 3 resource layout is: 4078 * IO 4079 * IRQNoFlags 4080 * End 4081 */ 4082 struct { 4083 struct acpi_resource res1; 4084 struct acpi_resource res2; 4085 struct acpi_resource res3; 4086 struct acpi_resource res4; 4087 } *resource; 4088 struct acpi_buffer buffer = { 0, NULL }; 4089 4090 if (!ioport || !irq) 4091 return -EINVAL; 4092 4093 /* init acpi_buffer */ 4094 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4095 if (!resource) 4096 return -ENOMEM; 4097 4098 buffer.length = sizeof(*resource) + 1; 4099 buffer.pointer = resource; 4100 4101 /* setup Type 1 resources */ 4102 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4103 4104 /* setup io resources */ 4105 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4106 resource->res1.length = sizeof(struct acpi_resource); 4107 memcpy(&resource->res1.data.io, &ioport->io1, 4108 sizeof(struct acpi_resource_io)); 4109 4110 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4111 resource->res2.length = sizeof(struct acpi_resource); 4112 memcpy(&resource->res2.data.io, &ioport->io2, 4113 sizeof(struct acpi_resource_io)); 4114 4115 /* setup irq resource */ 4116 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4117 resource->res3.length = sizeof(struct acpi_resource); 4118 memcpy(&resource->res3.data.irq, &irq->irq, 4119 sizeof(struct acpi_resource_irq)); 4120 /* we requested a shared irq */ 4121 resource->res3.data.irq.sharable = ACPI_SHARED; 4122 4123 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4124 resource->res4.length = sizeof(struct acpi_resource); 4125 } 4126 /* setup Type 2/3 resources */ 4127 else { 4128 /* setup io resource */ 4129 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4130 resource->res1.length = sizeof(struct acpi_resource); 4131 memcpy(&resource->res1.data.io, &ioport->io1, 4132 sizeof(struct acpi_resource_io)); 4133 4134 /* setup irq resource */ 4135 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4136 resource->res2.length = sizeof(struct acpi_resource); 4137 memcpy(&resource->res2.data.irq, &irq->irq, 4138 sizeof(struct acpi_resource_irq)); 4139 /* we requested a shared irq */ 4140 resource->res2.data.irq.sharable = ACPI_SHARED; 4141 4142 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4143 resource->res3.length = sizeof(struct acpi_resource); 4144 } 4145 4146 /* Attempt to set the resource */ 4147 dprintk("Evaluating _SRS\n"); 4148 status = acpi_set_current_resources(device->handle, &buffer); 4149 4150 /* check for total failure */ 4151 if (ACPI_FAILURE(status)) { 4152 pr_err("Error evaluating _SRS\n"); 4153 result = -ENODEV; 4154 goto end; 4155 } 4156 4157 /* Necessary device initializations calls (from sonypi) */ 4158 sony_pic_call1(0x82); 4159 sony_pic_call2(0x81, 0xff); 4160 sony_pic_call1(compat ? 0x92 : 0x82); 4161 4162 end: 4163 kfree(resource); 4164 return result; 4165 } 4166 4167 /***************** 4168 * 4169 * ISR: some event is available 4170 * 4171 *****************/ 4172 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4173 { 4174 int i, j; 4175 u8 ev = 0; 4176 u8 data_mask = 0; 4177 u8 device_event = 0; 4178 4179 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4180 4181 ev = inb_p(dev->cur_ioport->io1.minimum); 4182 if (dev->cur_ioport->io2.minimum) 4183 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4184 else 4185 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4186 dev->evport_offset); 4187 4188 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4189 ev, data_mask, dev->cur_ioport->io1.minimum, 4190 dev->evport_offset); 4191 4192 if (ev == 0x00 || ev == 0xff) 4193 return IRQ_HANDLED; 4194 4195 for (i = 0; dev->event_types[i].mask; i++) { 4196 4197 if ((data_mask & dev->event_types[i].data) != 4198 dev->event_types[i].data) 4199 continue; 4200 4201 if (!(mask & dev->event_types[i].mask)) 4202 continue; 4203 4204 for (j = 0; dev->event_types[i].events[j].event; j++) { 4205 if (ev == dev->event_types[i].events[j].data) { 4206 device_event = 4207 dev->event_types[i].events[j].event; 4208 /* some events may require ignoring */ 4209 if (!device_event) 4210 return IRQ_HANDLED; 4211 goto found; 4212 } 4213 } 4214 } 4215 /* Still not able to decode the event try to pass 4216 * it over to the minidriver 4217 */ 4218 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4219 return IRQ_HANDLED; 4220 4221 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4222 ev, data_mask, dev->cur_ioport->io1.minimum, 4223 dev->evport_offset); 4224 return IRQ_HANDLED; 4225 4226 found: 4227 sony_laptop_report_input_event(device_event); 4228 sonypi_compat_report_event(device_event); 4229 return IRQ_HANDLED; 4230 } 4231 4232 /***************** 4233 * 4234 * ACPI driver 4235 * 4236 *****************/ 4237 static int sony_pic_remove(struct acpi_device *device) 4238 { 4239 struct sony_pic_ioport *io, *tmp_io; 4240 struct sony_pic_irq *irq, *tmp_irq; 4241 4242 if (sony_pic_disable(device)) { 4243 pr_err("Couldn't disable device\n"); 4244 return -ENXIO; 4245 } 4246 4247 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4248 release_region(spic_dev.cur_ioport->io1.minimum, 4249 spic_dev.cur_ioport->io1.address_length); 4250 if (spic_dev.cur_ioport->io2.minimum) 4251 release_region(spic_dev.cur_ioport->io2.minimum, 4252 spic_dev.cur_ioport->io2.address_length); 4253 4254 sonypi_compat_exit(); 4255 4256 sony_laptop_remove_input(); 4257 4258 /* pf attrs */ 4259 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4260 sony_pf_remove(); 4261 4262 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4263 list_del(&io->list); 4264 kfree(io); 4265 } 4266 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4267 list_del(&irq->list); 4268 kfree(irq); 4269 } 4270 spic_dev.cur_ioport = NULL; 4271 spic_dev.cur_irq = NULL; 4272 4273 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4274 return 0; 4275 } 4276 4277 static int sony_pic_add(struct acpi_device *device) 4278 { 4279 int result; 4280 struct sony_pic_ioport *io, *tmp_io; 4281 struct sony_pic_irq *irq, *tmp_irq; 4282 4283 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 4284 4285 spic_dev.acpi_dev = device; 4286 strcpy(acpi_device_class(device), "sony/hotkey"); 4287 sony_pic_detect_device_type(&spic_dev); 4288 mutex_init(&spic_dev.lock); 4289 4290 /* read _PRS resources */ 4291 result = sony_pic_possible_resources(device); 4292 if (result) { 4293 pr_err("Unable to read possible resources\n"); 4294 goto err_free_resources; 4295 } 4296 4297 /* setup input devices and helper fifo */ 4298 result = sony_laptop_setup_input(device); 4299 if (result) { 4300 pr_err("Unable to create input devices\n"); 4301 goto err_free_resources; 4302 } 4303 4304 result = sonypi_compat_init(); 4305 if (result) 4306 goto err_remove_input; 4307 4308 /* request io port */ 4309 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4310 if (request_region(io->io1.minimum, io->io1.address_length, 4311 "Sony Programmable I/O Device")) { 4312 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4313 io->io1.minimum, io->io1.maximum, 4314 io->io1.address_length); 4315 /* Type 1 have 2 ioports */ 4316 if (io->io2.minimum) { 4317 if (request_region(io->io2.minimum, 4318 io->io2.address_length, 4319 "Sony Programmable I/O Device")) { 4320 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4321 io->io2.minimum, io->io2.maximum, 4322 io->io2.address_length); 4323 spic_dev.cur_ioport = io; 4324 break; 4325 } 4326 else { 4327 dprintk("Unable to get I/O port2: " 4328 "0x%.4x (0x%.4x) + 0x%.2x\n", 4329 io->io2.minimum, io->io2.maximum, 4330 io->io2.address_length); 4331 release_region(io->io1.minimum, 4332 io->io1.address_length); 4333 } 4334 } 4335 else { 4336 spic_dev.cur_ioport = io; 4337 break; 4338 } 4339 } 4340 } 4341 if (!spic_dev.cur_ioport) { 4342 pr_err("Failed to request_region\n"); 4343 result = -ENODEV; 4344 goto err_remove_compat; 4345 } 4346 4347 /* request IRQ */ 4348 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4349 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4350 0, "sony-laptop", &spic_dev)) { 4351 dprintk("IRQ: %d - triggering: %d - " 4352 "polarity: %d - shr: %d\n", 4353 irq->irq.interrupts[0], 4354 irq->irq.triggering, 4355 irq->irq.polarity, 4356 irq->irq.sharable); 4357 spic_dev.cur_irq = irq; 4358 break; 4359 } 4360 } 4361 if (!spic_dev.cur_irq) { 4362 pr_err("Failed to request_irq\n"); 4363 result = -ENODEV; 4364 goto err_release_region; 4365 } 4366 4367 /* set resource status _SRS */ 4368 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4369 if (result) { 4370 pr_err("Couldn't enable device\n"); 4371 goto err_free_irq; 4372 } 4373 4374 spic_dev.bluetooth_power = -1; 4375 /* create device attributes */ 4376 result = sony_pf_add(); 4377 if (result) 4378 goto err_disable_device; 4379 4380 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4381 if (result) 4382 goto err_remove_pf; 4383 4384 return 0; 4385 4386 err_remove_pf: 4387 sony_pf_remove(); 4388 4389 err_disable_device: 4390 sony_pic_disable(device); 4391 4392 err_free_irq: 4393 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4394 4395 err_release_region: 4396 release_region(spic_dev.cur_ioport->io1.minimum, 4397 spic_dev.cur_ioport->io1.address_length); 4398 if (spic_dev.cur_ioport->io2.minimum) 4399 release_region(spic_dev.cur_ioport->io2.minimum, 4400 spic_dev.cur_ioport->io2.address_length); 4401 4402 err_remove_compat: 4403 sonypi_compat_exit(); 4404 4405 err_remove_input: 4406 sony_laptop_remove_input(); 4407 4408 err_free_resources: 4409 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4410 list_del(&io->list); 4411 kfree(io); 4412 } 4413 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4414 list_del(&irq->list); 4415 kfree(irq); 4416 } 4417 spic_dev.cur_ioport = NULL; 4418 spic_dev.cur_irq = NULL; 4419 4420 return result; 4421 } 4422 4423 #ifdef CONFIG_PM_SLEEP 4424 static int sony_pic_suspend(struct device *dev) 4425 { 4426 if (sony_pic_disable(to_acpi_device(dev))) 4427 return -ENXIO; 4428 return 0; 4429 } 4430 4431 static int sony_pic_resume(struct device *dev) 4432 { 4433 sony_pic_enable(to_acpi_device(dev), 4434 spic_dev.cur_ioport, spic_dev.cur_irq); 4435 return 0; 4436 } 4437 #endif 4438 4439 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4440 4441 static const struct acpi_device_id sony_pic_device_ids[] = { 4442 {SONY_PIC_HID, 0}, 4443 {"", 0}, 4444 }; 4445 4446 static struct acpi_driver sony_pic_driver = { 4447 .name = SONY_PIC_DRIVER_NAME, 4448 .class = SONY_PIC_CLASS, 4449 .ids = sony_pic_device_ids, 4450 .owner = THIS_MODULE, 4451 .ops = { 4452 .add = sony_pic_add, 4453 .remove = sony_pic_remove, 4454 }, 4455 .drv.pm = &sony_pic_pm, 4456 }; 4457 4458 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4459 { 4460 .ident = "Sony Vaio", 4461 .matches = { 4462 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4463 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4464 }, 4465 }, 4466 { 4467 .ident = "Sony Vaio", 4468 .matches = { 4469 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4470 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4471 }, 4472 }, 4473 { } 4474 }; 4475 4476 static int __init sony_laptop_init(void) 4477 { 4478 int result; 4479 4480 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4481 result = acpi_bus_register_driver(&sony_pic_driver); 4482 if (result) { 4483 pr_err("Unable to register SPIC driver\n"); 4484 goto out; 4485 } 4486 spic_drv_registered = 1; 4487 } 4488 4489 result = acpi_bus_register_driver(&sony_nc_driver); 4490 if (result) { 4491 pr_err("Unable to register SNC driver\n"); 4492 goto out_unregister_pic; 4493 } 4494 4495 return 0; 4496 4497 out_unregister_pic: 4498 if (spic_drv_registered) 4499 acpi_bus_unregister_driver(&sony_pic_driver); 4500 out: 4501 return result; 4502 } 4503 4504 static void __exit sony_laptop_exit(void) 4505 { 4506 acpi_bus_unregister_driver(&sony_nc_driver); 4507 if (spic_drv_registered) 4508 acpi_bus_unregister_driver(&sony_pic_driver); 4509 } 4510 4511 module_init(sony_laptop_init); 4512 module_exit(sony_laptop_exit); 4513