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: 0)"); 135 136 static int kbd_backlight_timeout; /* = 0 */ 137 module_param(kbd_backlight_timeout, int, 0444); 138 MODULE_PARM_DESC(kbd_backlight_timeout, 139 "set this to 0 to set the default 10 seconds timeout, " 140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout " 141 "(default: 0)"); 142 143 #ifdef CONFIG_PM_SLEEP 144 static void sony_nc_kbd_backlight_resume(void); 145 static void sony_nc_thermal_resume(void); 146 #endif 147 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 148 unsigned int handle); 149 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd); 150 151 static int sony_nc_battery_care_setup(struct platform_device *pd, 152 unsigned int handle); 153 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 154 155 static int sony_nc_thermal_setup(struct platform_device *pd); 156 static void sony_nc_thermal_cleanup(struct platform_device *pd); 157 158 static int sony_nc_lid_resume_setup(struct platform_device *pd); 159 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 160 161 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 162 unsigned int handle); 163 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 164 static int __sony_nc_gfx_switch_status_get(void); 165 166 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 167 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 168 169 static int sony_nc_touchpad_setup(struct platform_device *pd, 170 unsigned int handle); 171 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 172 173 enum sony_nc_rfkill { 174 SONY_WIFI, 175 SONY_BLUETOOTH, 176 SONY_WWAN, 177 SONY_WIMAX, 178 N_SONY_RFKILL, 179 }; 180 181 static int sony_rfkill_handle; 182 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 183 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 184 static int sony_nc_rfkill_setup(struct acpi_device *device, 185 unsigned int handle); 186 static void sony_nc_rfkill_cleanup(void); 187 static void sony_nc_rfkill_update(void); 188 189 /*********** Input Devices ***********/ 190 191 #define SONY_LAPTOP_BUF_SIZE 128 192 struct sony_laptop_input_s { 193 atomic_t users; 194 struct input_dev *jog_dev; 195 struct input_dev *key_dev; 196 struct kfifo fifo; 197 spinlock_t fifo_lock; 198 struct timer_list release_key_timer; 199 }; 200 201 static struct sony_laptop_input_s sony_laptop_input = { 202 .users = ATOMIC_INIT(0), 203 }; 204 205 struct sony_laptop_keypress { 206 struct input_dev *dev; 207 int key; 208 }; 209 210 /* Correspondance table between sonypi events 211 * and input layer indexes in the keymap 212 */ 213 static int sony_laptop_input_index[] = { 214 -1, /* 0 no event */ 215 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 216 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 217 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 218 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 219 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 220 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 221 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 222 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 223 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 224 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 225 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 226 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 227 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 228 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 229 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 230 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 231 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 232 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 233 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 234 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 235 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 236 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 237 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 238 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 239 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 240 19, /* 26 SONYPI_EVENT_FNKEY_D */ 241 20, /* 27 SONYPI_EVENT_FNKEY_E */ 242 21, /* 28 SONYPI_EVENT_FNKEY_F */ 243 22, /* 29 SONYPI_EVENT_FNKEY_S */ 244 23, /* 30 SONYPI_EVENT_FNKEY_B */ 245 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 246 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 247 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 248 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 249 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 250 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 251 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 252 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 253 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 254 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 255 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 256 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 257 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 258 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 259 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 260 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 261 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 262 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 263 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 264 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 265 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 266 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 267 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 268 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 269 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 270 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 271 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 272 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 273 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 274 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 275 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 276 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 277 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 278 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 279 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 280 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 281 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 282 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 283 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 284 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 285 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 286 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 287 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 288 }; 289 290 static int sony_laptop_input_keycode_map[] = { 291 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 292 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 293 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 294 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 295 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 296 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 297 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 298 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 299 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 300 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 301 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 302 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 303 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 304 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 305 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 306 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 307 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 308 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ 309 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ 310 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 311 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 312 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 313 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 314 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 315 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 316 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 317 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 318 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 319 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 320 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 321 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 322 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 323 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 324 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 325 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 326 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 327 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 328 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 329 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 330 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 331 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 332 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 333 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 334 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 335 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 336 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 337 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 338 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 339 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 340 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 341 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 342 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 343 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 344 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 345 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 346 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 347 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 348 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 349 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 350 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 351 }; 352 353 /* release buttons after a short delay if pressed */ 354 static void do_sony_laptop_release_key(unsigned long unused) 355 { 356 struct sony_laptop_keypress kp; 357 unsigned long flags; 358 359 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 360 361 if (kfifo_out(&sony_laptop_input.fifo, 362 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 363 input_report_key(kp.dev, kp.key, 0); 364 input_sync(kp.dev); 365 } 366 367 /* If there is something in the fifo schedule next release. */ 368 if (kfifo_len(&sony_laptop_input.fifo) != 0) 369 mod_timer(&sony_laptop_input.release_key_timer, 370 jiffies + msecs_to_jiffies(10)); 371 372 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 373 } 374 375 /* forward event to the input subsystem */ 376 static void sony_laptop_report_input_event(u8 event) 377 { 378 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 379 struct input_dev *key_dev = sony_laptop_input.key_dev; 380 struct sony_laptop_keypress kp = { NULL }; 381 int scancode = -1; 382 383 if (event == SONYPI_EVENT_FNKEY_RELEASED || 384 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 385 /* Nothing, not all VAIOs generate this event */ 386 return; 387 } 388 389 /* report events */ 390 switch (event) { 391 /* jog_dev events */ 392 case SONYPI_EVENT_JOGDIAL_UP: 393 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 394 input_report_rel(jog_dev, REL_WHEEL, 1); 395 input_sync(jog_dev); 396 return; 397 398 case SONYPI_EVENT_JOGDIAL_DOWN: 399 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 400 input_report_rel(jog_dev, REL_WHEEL, -1); 401 input_sync(jog_dev); 402 return; 403 404 /* key_dev events */ 405 case SONYPI_EVENT_JOGDIAL_PRESSED: 406 kp.key = BTN_MIDDLE; 407 kp.dev = jog_dev; 408 break; 409 410 default: 411 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 412 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 413 break; 414 } 415 if ((scancode = sony_laptop_input_index[event]) != -1) { 416 kp.key = sony_laptop_input_keycode_map[scancode]; 417 if (kp.key != KEY_UNKNOWN) 418 kp.dev = key_dev; 419 } 420 break; 421 } 422 423 if (kp.dev) { 424 /* if we have a scancode we emit it so we can always 425 remap the key */ 426 if (scancode != -1) 427 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 428 input_report_key(kp.dev, kp.key, 1); 429 input_sync(kp.dev); 430 431 /* schedule key release */ 432 kfifo_in_locked(&sony_laptop_input.fifo, 433 (unsigned char *)&kp, sizeof(kp), 434 &sony_laptop_input.fifo_lock); 435 mod_timer(&sony_laptop_input.release_key_timer, 436 jiffies + msecs_to_jiffies(10)); 437 } else 438 dprintk("unknown input event %.2x\n", event); 439 } 440 441 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 442 { 443 struct input_dev *jog_dev; 444 struct input_dev *key_dev; 445 int i; 446 int error; 447 448 /* don't run again if already initialized */ 449 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 450 return 0; 451 452 /* kfifo */ 453 spin_lock_init(&sony_laptop_input.fifo_lock); 454 error = kfifo_alloc(&sony_laptop_input.fifo, 455 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 456 if (error) { 457 pr_err("kfifo_alloc failed\n"); 458 goto err_dec_users; 459 } 460 461 setup_timer(&sony_laptop_input.release_key_timer, 462 do_sony_laptop_release_key, 0); 463 464 /* input keys */ 465 key_dev = input_allocate_device(); 466 if (!key_dev) { 467 error = -ENOMEM; 468 goto err_free_kfifo; 469 } 470 471 key_dev->name = "Sony Vaio Keys"; 472 key_dev->id.bustype = BUS_ISA; 473 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 474 key_dev->dev.parent = &acpi_device->dev; 475 476 /* Initialize the Input Drivers: special keys */ 477 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 478 479 __set_bit(EV_KEY, key_dev->evbit); 480 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 481 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 482 key_dev->keycode = &sony_laptop_input_keycode_map; 483 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 484 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 485 __clear_bit(KEY_RESERVED, key_dev->keybit); 486 487 error = input_register_device(key_dev); 488 if (error) 489 goto err_free_keydev; 490 491 sony_laptop_input.key_dev = key_dev; 492 493 /* jogdial */ 494 jog_dev = input_allocate_device(); 495 if (!jog_dev) { 496 error = -ENOMEM; 497 goto err_unregister_keydev; 498 } 499 500 jog_dev->name = "Sony Vaio Jogdial"; 501 jog_dev->id.bustype = BUS_ISA; 502 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 503 jog_dev->dev.parent = &acpi_device->dev; 504 505 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 506 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 507 508 error = input_register_device(jog_dev); 509 if (error) 510 goto err_free_jogdev; 511 512 sony_laptop_input.jog_dev = jog_dev; 513 514 return 0; 515 516 err_free_jogdev: 517 input_free_device(jog_dev); 518 519 err_unregister_keydev: 520 input_unregister_device(key_dev); 521 /* to avoid kref underflow below at input_free_device */ 522 key_dev = NULL; 523 524 err_free_keydev: 525 input_free_device(key_dev); 526 527 err_free_kfifo: 528 kfifo_free(&sony_laptop_input.fifo); 529 530 err_dec_users: 531 atomic_dec(&sony_laptop_input.users); 532 return error; 533 } 534 535 static void sony_laptop_remove_input(void) 536 { 537 struct sony_laptop_keypress kp = { NULL }; 538 539 /* Cleanup only after the last user has gone */ 540 if (!atomic_dec_and_test(&sony_laptop_input.users)) 541 return; 542 543 del_timer_sync(&sony_laptop_input.release_key_timer); 544 545 /* 546 * Generate key-up events for remaining keys. Note that we don't 547 * need locking since nobody is adding new events to the kfifo. 548 */ 549 while (kfifo_out(&sony_laptop_input.fifo, 550 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 551 input_report_key(kp.dev, kp.key, 0); 552 input_sync(kp.dev); 553 } 554 555 /* destroy input devs */ 556 input_unregister_device(sony_laptop_input.key_dev); 557 sony_laptop_input.key_dev = NULL; 558 559 if (sony_laptop_input.jog_dev) { 560 input_unregister_device(sony_laptop_input.jog_dev); 561 sony_laptop_input.jog_dev = NULL; 562 } 563 564 kfifo_free(&sony_laptop_input.fifo); 565 } 566 567 /*********** Platform Device ***********/ 568 569 static atomic_t sony_pf_users = ATOMIC_INIT(0); 570 static struct platform_driver sony_pf_driver = { 571 .driver = { 572 .name = "sony-laptop", 573 .owner = THIS_MODULE, 574 } 575 }; 576 static struct platform_device *sony_pf_device; 577 578 static int sony_pf_add(void) 579 { 580 int ret = 0; 581 582 /* don't run again if already initialized */ 583 if (atomic_add_return(1, &sony_pf_users) > 1) 584 return 0; 585 586 ret = platform_driver_register(&sony_pf_driver); 587 if (ret) 588 goto out; 589 590 sony_pf_device = platform_device_alloc("sony-laptop", -1); 591 if (!sony_pf_device) { 592 ret = -ENOMEM; 593 goto out_platform_registered; 594 } 595 596 ret = platform_device_add(sony_pf_device); 597 if (ret) 598 goto out_platform_alloced; 599 600 return 0; 601 602 out_platform_alloced: 603 platform_device_put(sony_pf_device); 604 sony_pf_device = NULL; 605 out_platform_registered: 606 platform_driver_unregister(&sony_pf_driver); 607 out: 608 atomic_dec(&sony_pf_users); 609 return ret; 610 } 611 612 static void sony_pf_remove(void) 613 { 614 /* deregister only after the last user has gone */ 615 if (!atomic_dec_and_test(&sony_pf_users)) 616 return; 617 618 platform_device_unregister(sony_pf_device); 619 platform_driver_unregister(&sony_pf_driver); 620 } 621 622 /*********** SNC (SNY5001) Device ***********/ 623 624 /* the device uses 1-based values, while the backlight subsystem uses 625 0-based values */ 626 #define SONY_MAX_BRIGHTNESS 8 627 628 #define SNC_VALIDATE_IN 0 629 #define SNC_VALIDATE_OUT 1 630 631 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 632 char *); 633 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 634 const char *, size_t); 635 static int boolean_validate(const int, const int); 636 static int brightness_default_validate(const int, const int); 637 638 struct sony_nc_value { 639 char *name; /* name of the entry */ 640 char **acpiget; /* names of the ACPI get function */ 641 char **acpiset; /* names of the ACPI set function */ 642 int (*validate)(const int, const int); /* input/output validation */ 643 int value; /* current setting */ 644 int valid; /* Has ever been set */ 645 int debug; /* active only in debug mode ? */ 646 struct device_attribute devattr; /* sysfs attribute */ 647 }; 648 649 #define SNC_HANDLE_NAMES(_name, _values...) \ 650 static char *snc_##_name[] = { _values, NULL } 651 652 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 653 { \ 654 .name = __stringify(_name), \ 655 .acpiget = _getters, \ 656 .acpiset = _setters, \ 657 .validate = _validate, \ 658 .debug = _debug, \ 659 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 660 } 661 662 #define SNC_HANDLE_NULL { .name = NULL } 663 664 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 665 666 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 667 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 668 669 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 670 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 671 672 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 673 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 674 675 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 676 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 677 678 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 679 680 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 681 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 682 683 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 684 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 685 686 SNC_HANDLE_NAMES(PID_get, "GPID"); 687 688 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 689 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 690 691 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 692 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 693 694 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 695 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 696 697 static struct sony_nc_value sony_nc_values[] = { 698 SNC_HANDLE(brightness_default, snc_brightness_def_get, 699 snc_brightness_def_set, brightness_default_validate, 0), 700 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 701 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 702 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 703 boolean_validate, 0), 704 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 705 boolean_validate, 1), 706 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 707 boolean_validate, 0), 708 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 709 boolean_validate, 0), 710 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 711 boolean_validate, 0), 712 /* unknown methods */ 713 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 714 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 715 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 716 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 717 SNC_HANDLE_NULL 718 }; 719 720 static acpi_handle sony_nc_acpi_handle; 721 static struct acpi_device *sony_nc_acpi_device = NULL; 722 723 /* 724 * acpi_evaluate_object wrappers 725 * all useful calls into SNC methods take one or zero parameters and return 726 * integers or arrays. 727 */ 728 static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 729 u64 *value) 730 { 731 union acpi_object *result = NULL; 732 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 733 acpi_status status; 734 735 if (value) { 736 struct acpi_object_list params; 737 union acpi_object in; 738 in.type = ACPI_TYPE_INTEGER; 739 in.integer.value = *value; 740 params.count = 1; 741 params.pointer = ∈ 742 status = acpi_evaluate_object(handle, method, ¶ms, &output); 743 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 744 (unsigned int)(*value >> 32), 745 (unsigned int)*value & 0xffffffff); 746 } else { 747 status = acpi_evaluate_object(handle, method, NULL, &output); 748 dprintk("__call_snc_method: [%s]\n", method); 749 } 750 751 if (ACPI_FAILURE(status)) { 752 pr_err("Failed to evaluate [%s]\n", method); 753 return NULL; 754 } 755 756 result = (union acpi_object *) output.pointer; 757 if (!result) 758 dprintk("No return object [%s]\n", method); 759 760 return result; 761 } 762 763 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 764 int *result) 765 { 766 union acpi_object *object = NULL; 767 if (value) { 768 u64 v = *value; 769 object = __call_snc_method(handle, name, &v); 770 } else 771 object = __call_snc_method(handle, name, NULL); 772 773 if (!object) 774 return -EINVAL; 775 776 if (object->type != ACPI_TYPE_INTEGER) { 777 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 778 ACPI_TYPE_INTEGER, object->type); 779 kfree(object); 780 return -EINVAL; 781 } 782 783 if (result) 784 *result = object->integer.value; 785 786 kfree(object); 787 return 0; 788 } 789 790 #define MIN(a, b) (a > b ? b : a) 791 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 792 void *buffer, size_t buflen) 793 { 794 int ret = 0; 795 size_t len = len; 796 union acpi_object *object = __call_snc_method(handle, name, value); 797 798 if (!object) 799 return -EINVAL; 800 801 if (object->type == ACPI_TYPE_BUFFER) { 802 len = MIN(buflen, object->buffer.length); 803 memcpy(buffer, object->buffer.pointer, len); 804 805 } else if (object->type == ACPI_TYPE_INTEGER) { 806 len = MIN(buflen, sizeof(object->integer.value)); 807 memcpy(buffer, &object->integer.value, len); 808 809 } else { 810 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 811 ACPI_TYPE_BUFFER, object->type); 812 ret = -EINVAL; 813 } 814 815 kfree(object); 816 return ret; 817 } 818 819 struct sony_nc_handles { 820 u16 cap[0x10]; 821 struct device_attribute devattr; 822 }; 823 824 static struct sony_nc_handles *handles; 825 826 static ssize_t sony_nc_handles_show(struct device *dev, 827 struct device_attribute *attr, char *buffer) 828 { 829 ssize_t len = 0; 830 int i; 831 832 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 833 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 834 handles->cap[i]); 835 } 836 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 837 838 return len; 839 } 840 841 static int sony_nc_handles_setup(struct platform_device *pd) 842 { 843 int i, r, result, arg; 844 845 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 846 if (!handles) 847 return -ENOMEM; 848 849 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 850 arg = i + 0x20; 851 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 852 &result); 853 if (!r) { 854 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 855 result, i); 856 handles->cap[i] = result; 857 } 858 } 859 860 if (debug) { 861 sysfs_attr_init(&handles->devattr.attr); 862 handles->devattr.attr.name = "handles"; 863 handles->devattr.attr.mode = S_IRUGO; 864 handles->devattr.show = sony_nc_handles_show; 865 866 /* allow reading capabilities via sysfs */ 867 if (device_create_file(&pd->dev, &handles->devattr)) { 868 kfree(handles); 869 handles = NULL; 870 return -1; 871 } 872 } 873 874 return 0; 875 } 876 877 static int sony_nc_handles_cleanup(struct platform_device *pd) 878 { 879 if (handles) { 880 if (debug) 881 device_remove_file(&pd->dev, &handles->devattr); 882 kfree(handles); 883 handles = NULL; 884 } 885 return 0; 886 } 887 888 static int sony_find_snc_handle(int handle) 889 { 890 int i; 891 892 /* not initialized yet, return early */ 893 if (!handles || !handle) 894 return -EINVAL; 895 896 for (i = 0; i < 0x10; i++) { 897 if (handles->cap[i] == handle) { 898 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 899 handle, i); 900 return i; 901 } 902 } 903 dprintk("handle 0x%.4x not found\n", handle); 904 return -EINVAL; 905 } 906 907 static int sony_call_snc_handle(int handle, int argument, int *result) 908 { 909 int arg, ret = 0; 910 int offset = sony_find_snc_handle(handle); 911 912 if (offset < 0) 913 return offset; 914 915 arg = offset | argument; 916 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 917 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 918 return ret; 919 } 920 921 /* 922 * sony_nc_values input/output validate functions 923 */ 924 925 /* brightness_default_validate: 926 * 927 * manipulate input output values to keep consistency with the 928 * backlight framework for which brightness values are 0-based. 929 */ 930 static int brightness_default_validate(const int direction, const int value) 931 { 932 switch (direction) { 933 case SNC_VALIDATE_OUT: 934 return value - 1; 935 case SNC_VALIDATE_IN: 936 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 937 return value + 1; 938 } 939 return -EINVAL; 940 } 941 942 /* boolean_validate: 943 * 944 * on input validate boolean values 0/1, on output just pass the 945 * received value. 946 */ 947 static int boolean_validate(const int direction, const int value) 948 { 949 if (direction == SNC_VALIDATE_IN) { 950 if (value != 0 && value != 1) 951 return -EINVAL; 952 } 953 return value; 954 } 955 956 /* 957 * Sysfs show/store common to all sony_nc_values 958 */ 959 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 960 char *buffer) 961 { 962 int value, ret = 0; 963 struct sony_nc_value *item = 964 container_of(attr, struct sony_nc_value, devattr); 965 966 if (!*item->acpiget) 967 return -EIO; 968 969 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 970 &value); 971 if (ret < 0) 972 return -EIO; 973 974 if (item->validate) 975 value = item->validate(SNC_VALIDATE_OUT, value); 976 977 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 978 } 979 980 static ssize_t sony_nc_sysfs_store(struct device *dev, 981 struct device_attribute *attr, 982 const char *buffer, size_t count) 983 { 984 int value; 985 int ret = 0; 986 struct sony_nc_value *item = 987 container_of(attr, struct sony_nc_value, devattr); 988 989 if (!item->acpiset) 990 return -EIO; 991 992 if (count > 31) 993 return -EINVAL; 994 995 if (kstrtoint(buffer, 10, &value)) 996 return -EINVAL; 997 998 if (item->validate) 999 value = item->validate(SNC_VALIDATE_IN, value); 1000 1001 if (value < 0) 1002 return value; 1003 1004 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1005 &value, NULL); 1006 if (ret < 0) 1007 return -EIO; 1008 1009 item->value = value; 1010 item->valid = 1; 1011 return count; 1012 } 1013 1014 1015 /* 1016 * Backlight device 1017 */ 1018 struct sony_backlight_props { 1019 struct backlight_device *dev; 1020 int handle; 1021 int cmd_base; 1022 u8 offset; 1023 u8 maxlvl; 1024 }; 1025 struct sony_backlight_props sony_bl_props; 1026 1027 static int sony_backlight_update_status(struct backlight_device *bd) 1028 { 1029 int arg = bd->props.brightness + 1; 1030 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1031 } 1032 1033 static int sony_backlight_get_brightness(struct backlight_device *bd) 1034 { 1035 int value; 1036 1037 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1038 return 0; 1039 /* brightness levels are 1-based, while backlight ones are 0-based */ 1040 return value - 1; 1041 } 1042 1043 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1044 { 1045 int result; 1046 struct sony_backlight_props *sdev = 1047 (struct sony_backlight_props *)bl_get_data(bd); 1048 1049 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1050 1051 return (result & 0xff) - sdev->offset; 1052 } 1053 1054 static int sony_nc_update_status_ng(struct backlight_device *bd) 1055 { 1056 int value, result; 1057 struct sony_backlight_props *sdev = 1058 (struct sony_backlight_props *)bl_get_data(bd); 1059 1060 value = bd->props.brightness + sdev->offset; 1061 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1062 &result)) 1063 return -EIO; 1064 1065 return value; 1066 } 1067 1068 static const struct backlight_ops sony_backlight_ops = { 1069 .options = BL_CORE_SUSPENDRESUME, 1070 .update_status = sony_backlight_update_status, 1071 .get_brightness = sony_backlight_get_brightness, 1072 }; 1073 static const struct backlight_ops sony_backlight_ng_ops = { 1074 .options = BL_CORE_SUSPENDRESUME, 1075 .update_status = sony_nc_update_status_ng, 1076 .get_brightness = sony_nc_get_brightness_ng, 1077 }; 1078 1079 /* 1080 * New SNC-only Vaios event mapping to driver known keys 1081 */ 1082 struct sony_nc_event { 1083 u8 data; 1084 u8 event; 1085 }; 1086 1087 static struct sony_nc_event sony_100_events[] = { 1088 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1089 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1090 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1091 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1092 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1093 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1094 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1095 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1096 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1097 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1098 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1099 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1100 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1101 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1102 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1103 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1104 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1105 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1106 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1107 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1108 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1109 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1110 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1111 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1112 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1113 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1114 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1115 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1116 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1117 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1118 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1119 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1120 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1121 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1122 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1123 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1124 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1125 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1126 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1127 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1128 { 0, 0 }, 1129 }; 1130 1131 static struct sony_nc_event sony_127_events[] = { 1132 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1133 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1134 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1135 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1136 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1137 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1138 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1139 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1140 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1141 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1142 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1143 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1144 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1145 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1146 { 0, 0 }, 1147 }; 1148 1149 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1150 { 1151 int ret = -EINVAL; 1152 unsigned int result = 0; 1153 struct sony_nc_event *key_event; 1154 1155 if (sony_call_snc_handle(handle, 0x200, &result)) { 1156 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1157 event); 1158 return -EINVAL; 1159 } 1160 1161 result &= 0xFF; 1162 1163 if (handle == 0x0100) 1164 key_event = sony_100_events; 1165 else 1166 key_event = sony_127_events; 1167 1168 for (; key_event->data; key_event++) { 1169 if (key_event->data == result) { 1170 ret = key_event->event; 1171 break; 1172 } 1173 } 1174 1175 if (!key_event->data) 1176 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1177 event, result, handle); 1178 1179 return ret; 1180 } 1181 1182 /* 1183 * ACPI callbacks 1184 */ 1185 enum event_types { 1186 HOTKEY = 1, 1187 KILLSWITCH, 1188 GFX_SWITCH 1189 }; 1190 static void sony_nc_notify(struct acpi_device *device, u32 event) 1191 { 1192 u32 real_ev = event; 1193 u8 ev_type = 0; 1194 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1195 1196 if (event >= 0x90) { 1197 unsigned int result = 0; 1198 unsigned int arg = 0; 1199 unsigned int handle = 0; 1200 unsigned int offset = event - 0x90; 1201 1202 if (offset >= ARRAY_SIZE(handles->cap)) { 1203 pr_err("Event 0x%x outside of capabilities list\n", 1204 event); 1205 return; 1206 } 1207 handle = handles->cap[offset]; 1208 1209 /* list of handles known for generating events */ 1210 switch (handle) { 1211 /* hotkey event */ 1212 case 0x0100: 1213 case 0x0127: 1214 ev_type = HOTKEY; 1215 real_ev = sony_nc_hotkeys_decode(event, handle); 1216 1217 if (real_ev > 0) 1218 sony_laptop_report_input_event(real_ev); 1219 else 1220 /* restore the original event for reporting */ 1221 real_ev = event; 1222 1223 break; 1224 1225 /* wlan switch */ 1226 case 0x0124: 1227 case 0x0135: 1228 /* events on this handle are reported when the 1229 * switch changes position or for battery 1230 * events. We'll notify both of them but only 1231 * update the rfkill device status when the 1232 * switch is moved. 1233 */ 1234 ev_type = KILLSWITCH; 1235 sony_call_snc_handle(handle, 0x0100, &result); 1236 real_ev = result & 0x03; 1237 1238 /* hw switch event */ 1239 if (real_ev == 1) 1240 sony_nc_rfkill_update(); 1241 1242 break; 1243 1244 case 0x0128: 1245 case 0x0146: 1246 /* Hybrid GFX switching */ 1247 sony_call_snc_handle(handle, 0x0000, &result); 1248 dprintk("GFX switch event received (reason: %s)\n", 1249 (result == 0x1) ? "switch change" : 1250 (result == 0x2) ? "output switch" : 1251 (result == 0x3) ? "output switch" : 1252 ""); 1253 1254 ev_type = GFX_SWITCH; 1255 real_ev = __sony_nc_gfx_switch_status_get(); 1256 break; 1257 1258 default: 1259 dprintk("Unknown event 0x%x for handle 0x%x\n", 1260 event, handle); 1261 break; 1262 } 1263 1264 /* clear the event (and the event reason when present) */ 1265 arg = 1 << offset; 1266 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1267 1268 } else { 1269 /* old style event */ 1270 ev_type = HOTKEY; 1271 sony_laptop_report_input_event(real_ev); 1272 } 1273 1274 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev); 1275 1276 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1277 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1278 } 1279 1280 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1281 void *context, void **return_value) 1282 { 1283 struct acpi_device_info *info; 1284 1285 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1286 pr_warn("method: name: %4.4s, args %X\n", 1287 (char *)&info->name, info->param_count); 1288 1289 kfree(info); 1290 } 1291 1292 return AE_OK; 1293 } 1294 1295 /* 1296 * ACPI device 1297 */ 1298 static void sony_nc_function_setup(struct acpi_device *device, 1299 struct platform_device *pf_device) 1300 { 1301 unsigned int i, result, bitmask, arg; 1302 1303 if (!handles) 1304 return; 1305 1306 /* setup found handles here */ 1307 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1308 unsigned int handle = handles->cap[i]; 1309 1310 if (!handle) 1311 continue; 1312 1313 dprintk("setting up handle 0x%.4x\n", handle); 1314 1315 switch (handle) { 1316 case 0x0100: 1317 case 0x0101: 1318 case 0x0127: 1319 /* setup hotkeys */ 1320 sony_call_snc_handle(handle, 0, &result); 1321 break; 1322 case 0x0102: 1323 /* setup hotkeys */ 1324 sony_call_snc_handle(handle, 0x100, &result); 1325 break; 1326 case 0x0105: 1327 case 0x0148: 1328 /* touchpad enable/disable */ 1329 result = sony_nc_touchpad_setup(pf_device, handle); 1330 if (result) 1331 pr_err("couldn't set up touchpad control function (%d)\n", 1332 result); 1333 break; 1334 case 0x0115: 1335 case 0x0136: 1336 case 0x013f: 1337 result = sony_nc_battery_care_setup(pf_device, handle); 1338 if (result) 1339 pr_err("couldn't set up battery care function (%d)\n", 1340 result); 1341 break; 1342 case 0x0119: 1343 result = sony_nc_lid_resume_setup(pf_device); 1344 if (result) 1345 pr_err("couldn't set up lid resume function (%d)\n", 1346 result); 1347 break; 1348 case 0x0122: 1349 result = sony_nc_thermal_setup(pf_device); 1350 if (result) 1351 pr_err("couldn't set up thermal profile function (%d)\n", 1352 result); 1353 break; 1354 case 0x0128: 1355 case 0x0146: 1356 result = sony_nc_gfx_switch_setup(pf_device, handle); 1357 if (result) 1358 pr_err("couldn't set up GFX Switch status (%d)\n", 1359 result); 1360 break; 1361 case 0x0131: 1362 result = sony_nc_highspeed_charging_setup(pf_device); 1363 if (result) 1364 pr_err("couldn't set up high speed charging function (%d)\n", 1365 result); 1366 break; 1367 case 0x0124: 1368 case 0x0135: 1369 result = sony_nc_rfkill_setup(device, handle); 1370 if (result) 1371 pr_err("couldn't set up rfkill support (%d)\n", 1372 result); 1373 break; 1374 case 0x0137: 1375 case 0x0143: 1376 case 0x014b: 1377 case 0x014c: 1378 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1379 if (result) 1380 pr_err("couldn't set up keyboard backlight function (%d)\n", 1381 result); 1382 break; 1383 default: 1384 continue; 1385 } 1386 } 1387 1388 /* Enable all events */ 1389 arg = 0x10; 1390 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1391 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1392 &result); 1393 } 1394 1395 static void sony_nc_function_cleanup(struct platform_device *pd) 1396 { 1397 unsigned int i, result, bitmask, handle; 1398 1399 /* get enabled events and disable them */ 1400 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1401 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1402 1403 /* cleanup handles here */ 1404 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1405 1406 handle = handles->cap[i]; 1407 1408 if (!handle) 1409 continue; 1410 1411 switch (handle) { 1412 case 0x0105: 1413 case 0x0148: 1414 sony_nc_touchpad_cleanup(pd); 1415 break; 1416 case 0x0115: 1417 case 0x0136: 1418 case 0x013f: 1419 sony_nc_battery_care_cleanup(pd); 1420 break; 1421 case 0x0119: 1422 sony_nc_lid_resume_cleanup(pd); 1423 break; 1424 case 0x0122: 1425 sony_nc_thermal_cleanup(pd); 1426 break; 1427 case 0x0128: 1428 case 0x0146: 1429 sony_nc_gfx_switch_cleanup(pd); 1430 break; 1431 case 0x0131: 1432 sony_nc_highspeed_charging_cleanup(pd); 1433 break; 1434 case 0x0124: 1435 case 0x0135: 1436 sony_nc_rfkill_cleanup(); 1437 break; 1438 case 0x0137: 1439 case 0x0143: 1440 case 0x014b: 1441 case 0x014c: 1442 sony_nc_kbd_backlight_cleanup(pd); 1443 break; 1444 default: 1445 continue; 1446 } 1447 } 1448 1449 /* finally cleanup the handles list */ 1450 sony_nc_handles_cleanup(pd); 1451 } 1452 1453 #ifdef CONFIG_PM_SLEEP 1454 static void sony_nc_function_resume(void) 1455 { 1456 unsigned int i, result, bitmask, arg; 1457 1458 dprintk("Resuming SNC device\n"); 1459 1460 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1461 unsigned int handle = handles->cap[i]; 1462 1463 if (!handle) 1464 continue; 1465 1466 switch (handle) { 1467 case 0x0100: 1468 case 0x0101: 1469 case 0x0127: 1470 /* re-enable hotkeys */ 1471 sony_call_snc_handle(handle, 0, &result); 1472 break; 1473 case 0x0102: 1474 /* re-enable hotkeys */ 1475 sony_call_snc_handle(handle, 0x100, &result); 1476 break; 1477 case 0x0122: 1478 sony_nc_thermal_resume(); 1479 break; 1480 case 0x0124: 1481 case 0x0135: 1482 sony_nc_rfkill_update(); 1483 break; 1484 case 0x0137: 1485 case 0x0143: 1486 case 0x014b: 1487 case 0x014c: 1488 sony_nc_kbd_backlight_resume(); 1489 break; 1490 default: 1491 continue; 1492 } 1493 } 1494 1495 /* Enable all events */ 1496 arg = 0x10; 1497 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1498 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1499 &result); 1500 } 1501 1502 static int sony_nc_resume(struct device *dev) 1503 { 1504 struct sony_nc_value *item; 1505 acpi_handle handle; 1506 1507 for (item = sony_nc_values; item->name; item++) { 1508 int ret; 1509 1510 if (!item->valid) 1511 continue; 1512 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1513 &item->value, NULL); 1514 if (ret < 0) { 1515 pr_err("%s: %d\n", __func__, ret); 1516 break; 1517 } 1518 } 1519 1520 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1521 &handle))) { 1522 int arg = 1; 1523 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1524 dprintk("ECON Method failed\n"); 1525 } 1526 1527 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1528 &handle))) 1529 sony_nc_function_resume(); 1530 1531 return 0; 1532 } 1533 #endif 1534 1535 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1536 1537 static void sony_nc_rfkill_cleanup(void) 1538 { 1539 int i; 1540 1541 for (i = 0; i < N_SONY_RFKILL; i++) { 1542 if (sony_rfkill_devices[i]) { 1543 rfkill_unregister(sony_rfkill_devices[i]); 1544 rfkill_destroy(sony_rfkill_devices[i]); 1545 } 1546 } 1547 } 1548 1549 static int sony_nc_rfkill_set(void *data, bool blocked) 1550 { 1551 int result; 1552 int argument = sony_rfkill_address[(long) data] + 0x100; 1553 1554 if (!blocked) 1555 argument |= 0x070000; 1556 1557 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1558 } 1559 1560 static const struct rfkill_ops sony_rfkill_ops = { 1561 .set_block = sony_nc_rfkill_set, 1562 }; 1563 1564 static int sony_nc_setup_rfkill(struct acpi_device *device, 1565 enum sony_nc_rfkill nc_type) 1566 { 1567 int err = 0; 1568 struct rfkill *rfk; 1569 enum rfkill_type type; 1570 const char *name; 1571 int result; 1572 bool hwblock, swblock; 1573 1574 switch (nc_type) { 1575 case SONY_WIFI: 1576 type = RFKILL_TYPE_WLAN; 1577 name = "sony-wifi"; 1578 break; 1579 case SONY_BLUETOOTH: 1580 type = RFKILL_TYPE_BLUETOOTH; 1581 name = "sony-bluetooth"; 1582 break; 1583 case SONY_WWAN: 1584 type = RFKILL_TYPE_WWAN; 1585 name = "sony-wwan"; 1586 break; 1587 case SONY_WIMAX: 1588 type = RFKILL_TYPE_WIMAX; 1589 name = "sony-wimax"; 1590 break; 1591 default: 1592 return -EINVAL; 1593 } 1594 1595 rfk = rfkill_alloc(name, &device->dev, type, 1596 &sony_rfkill_ops, (void *)nc_type); 1597 if (!rfk) 1598 return -ENOMEM; 1599 1600 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1601 rfkill_destroy(rfk); 1602 return -1; 1603 } 1604 hwblock = !(result & 0x1); 1605 1606 if (sony_call_snc_handle(sony_rfkill_handle, 1607 sony_rfkill_address[nc_type], 1608 &result) < 0) { 1609 rfkill_destroy(rfk); 1610 return -1; 1611 } 1612 swblock = !(result & 0x2); 1613 1614 rfkill_init_sw_state(rfk, swblock); 1615 rfkill_set_hw_state(rfk, hwblock); 1616 1617 err = rfkill_register(rfk); 1618 if (err) { 1619 rfkill_destroy(rfk); 1620 return err; 1621 } 1622 sony_rfkill_devices[nc_type] = rfk; 1623 return err; 1624 } 1625 1626 static void sony_nc_rfkill_update(void) 1627 { 1628 enum sony_nc_rfkill i; 1629 int result; 1630 bool hwblock; 1631 1632 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1633 hwblock = !(result & 0x1); 1634 1635 for (i = 0; i < N_SONY_RFKILL; i++) { 1636 int argument = sony_rfkill_address[i]; 1637 1638 if (!sony_rfkill_devices[i]) 1639 continue; 1640 1641 if (hwblock) { 1642 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1643 /* we already know we're blocked */ 1644 } 1645 continue; 1646 } 1647 1648 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1649 rfkill_set_states(sony_rfkill_devices[i], 1650 !(result & 0x2), false); 1651 } 1652 } 1653 1654 static int sony_nc_rfkill_setup(struct acpi_device *device, 1655 unsigned int handle) 1656 { 1657 u64 offset; 1658 int i; 1659 unsigned char buffer[32] = { 0 }; 1660 1661 offset = sony_find_snc_handle(handle); 1662 sony_rfkill_handle = handle; 1663 1664 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1665 32); 1666 if (i < 0) 1667 return i; 1668 1669 /* The buffer is filled with magic numbers describing the devices 1670 * available, 0xff terminates the enumeration. 1671 * Known codes: 1672 * 0x00 WLAN 1673 * 0x10 BLUETOOTH 1674 * 0x20 WWAN GPRS-EDGE 1675 * 0x21 WWAN HSDPA 1676 * 0x22 WWAN EV-DO 1677 * 0x23 WWAN GPS 1678 * 0x25 Gobi WWAN no GPS 1679 * 0x26 Gobi WWAN + GPS 1680 * 0x28 Gobi WWAN no GPS 1681 * 0x29 Gobi WWAN + GPS 1682 * 0x30 WIMAX 1683 * 0x50 Gobi WWAN no GPS 1684 * 0x51 Gobi WWAN + GPS 1685 * 0x70 no SIM card slot 1686 * 0x71 SIM card slot 1687 */ 1688 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1689 1690 if (buffer[i] == 0xff) 1691 break; 1692 1693 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1694 1695 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1696 sony_nc_setup_rfkill(device, SONY_WIFI); 1697 1698 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1699 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1700 1701 if (((0xf0 & buffer[i]) == 0x20 || 1702 (0xf0 & buffer[i]) == 0x50) && 1703 !sony_rfkill_devices[SONY_WWAN]) 1704 sony_nc_setup_rfkill(device, SONY_WWAN); 1705 1706 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1707 sony_nc_setup_rfkill(device, SONY_WIMAX); 1708 } 1709 return 0; 1710 } 1711 1712 /* Keyboard backlight feature */ 1713 struct kbd_backlight { 1714 unsigned int handle; 1715 unsigned int base; 1716 unsigned int mode; 1717 unsigned int timeout; 1718 struct device_attribute mode_attr; 1719 struct device_attribute timeout_attr; 1720 }; 1721 1722 static struct kbd_backlight *kbdbl_ctl; 1723 1724 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1725 { 1726 int result; 1727 1728 if (value > 1) 1729 return -EINVAL; 1730 1731 if (sony_call_snc_handle(kbdbl_ctl->handle, 1732 (value << 0x10) | (kbdbl_ctl->base), &result)) 1733 return -EIO; 1734 1735 /* Try to turn the light on/off immediately */ 1736 sony_call_snc_handle(kbdbl_ctl->handle, 1737 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); 1738 1739 kbdbl_ctl->mode = value; 1740 1741 return 0; 1742 } 1743 1744 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1745 struct device_attribute *attr, 1746 const char *buffer, size_t count) 1747 { 1748 int ret = 0; 1749 unsigned long value; 1750 1751 if (count > 31) 1752 return -EINVAL; 1753 1754 if (kstrtoul(buffer, 10, &value)) 1755 return -EINVAL; 1756 1757 ret = __sony_nc_kbd_backlight_mode_set(value); 1758 if (ret < 0) 1759 return ret; 1760 1761 return count; 1762 } 1763 1764 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1765 struct device_attribute *attr, char *buffer) 1766 { 1767 ssize_t count = 0; 1768 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1769 return count; 1770 } 1771 1772 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1773 { 1774 int result; 1775 1776 if (value > 3) 1777 return -EINVAL; 1778 1779 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1780 (kbdbl_ctl->base + 0x200), &result)) 1781 return -EIO; 1782 1783 kbdbl_ctl->timeout = value; 1784 1785 return 0; 1786 } 1787 1788 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1789 struct device_attribute *attr, 1790 const char *buffer, size_t count) 1791 { 1792 int ret = 0; 1793 unsigned long value; 1794 1795 if (count > 31) 1796 return -EINVAL; 1797 1798 if (kstrtoul(buffer, 10, &value)) 1799 return -EINVAL; 1800 1801 ret = __sony_nc_kbd_backlight_timeout_set(value); 1802 if (ret < 0) 1803 return ret; 1804 1805 return count; 1806 } 1807 1808 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1809 struct device_attribute *attr, char *buffer) 1810 { 1811 ssize_t count = 0; 1812 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1813 return count; 1814 } 1815 1816 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1817 unsigned int handle) 1818 { 1819 int result; 1820 int ret = 0; 1821 1822 /* verify the kbd backlight presence, these handles are not used for 1823 * keyboard backlight only 1824 */ 1825 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1826 &result); 1827 if (ret) 1828 return ret; 1829 1830 if ((handle == 0x0137 && !(result & 0x02)) || 1831 !(result & 0x01)) { 1832 dprintk("no backlight keyboard found\n"); 1833 return 0; 1834 } 1835 1836 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1837 if (!kbdbl_ctl) 1838 return -ENOMEM; 1839 1840 kbdbl_ctl->handle = handle; 1841 if (handle == 0x0137) 1842 kbdbl_ctl->base = 0x0C00; 1843 else 1844 kbdbl_ctl->base = 0x4000; 1845 1846 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1847 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1848 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1849 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1850 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1851 1852 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1853 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1854 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1855 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1856 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1857 1858 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1859 if (ret) 1860 goto outkzalloc; 1861 1862 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1863 if (ret) 1864 goto outmode; 1865 1866 __sony_nc_kbd_backlight_mode_set(kbd_backlight); 1867 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout); 1868 1869 return 0; 1870 1871 outmode: 1872 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1873 outkzalloc: 1874 kfree(kbdbl_ctl); 1875 kbdbl_ctl = NULL; 1876 return ret; 1877 } 1878 1879 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd) 1880 { 1881 if (kbdbl_ctl) { 1882 int result; 1883 1884 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1885 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1886 1887 /* restore the default hw behaviour */ 1888 sony_call_snc_handle(kbdbl_ctl->handle, 1889 kbdbl_ctl->base | 0x10000, &result); 1890 sony_call_snc_handle(kbdbl_ctl->handle, 1891 kbdbl_ctl->base + 0x200, &result); 1892 1893 kfree(kbdbl_ctl); 1894 kbdbl_ctl = NULL; 1895 } 1896 } 1897 1898 #ifdef CONFIG_PM_SLEEP 1899 static void sony_nc_kbd_backlight_resume(void) 1900 { 1901 int ignore = 0; 1902 1903 if (!kbdbl_ctl) 1904 return; 1905 1906 if (kbdbl_ctl->mode == 0) 1907 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base, 1908 &ignore); 1909 1910 if (kbdbl_ctl->timeout != 0) 1911 sony_call_snc_handle(kbdbl_ctl->handle, 1912 (kbdbl_ctl->base + 0x200) | 1913 (kbdbl_ctl->timeout << 0x10), &ignore); 1914 } 1915 #endif 1916 1917 struct battery_care_control { 1918 struct device_attribute attrs[2]; 1919 unsigned int handle; 1920 }; 1921 static struct battery_care_control *bcare_ctl; 1922 1923 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1924 struct device_attribute *attr, 1925 const char *buffer, size_t count) 1926 { 1927 unsigned int result, cmd; 1928 unsigned long value; 1929 1930 if (count > 31) 1931 return -EINVAL; 1932 1933 if (kstrtoul(buffer, 10, &value)) 1934 return -EINVAL; 1935 1936 /* limit values (2 bits): 1937 * 00 - none 1938 * 01 - 80% 1939 * 10 - 50% 1940 * 11 - 100% 1941 * 1942 * bit 0: 0 disable BCL, 1 enable BCL 1943 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1944 * bits 2,3: reserved 1945 * bits 4,5: store the limit into the EC 1946 * bits 6,7: store the limit into the battery 1947 */ 1948 cmd = 0; 1949 1950 if (value > 0) { 1951 if (value <= 50) 1952 cmd = 0x20; 1953 1954 else if (value <= 80) 1955 cmd = 0x10; 1956 1957 else if (value <= 100) 1958 cmd = 0x30; 1959 1960 else 1961 return -EINVAL; 1962 1963 /* 1964 * handle 0x0115 should allow storing on battery too; 1965 * handle 0x0136 same as 0x0115 + health status; 1966 * handle 0x013f, same as 0x0136 but no storing on the battery 1967 */ 1968 if (bcare_ctl->handle != 0x013f) 1969 cmd = cmd | (cmd << 2); 1970 1971 cmd = (cmd | 0x1) << 0x10; 1972 } 1973 1974 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 1975 return -EIO; 1976 1977 return count; 1978 } 1979 1980 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 1981 struct device_attribute *attr, char *buffer) 1982 { 1983 unsigned int result, status; 1984 1985 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 1986 return -EIO; 1987 1988 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 1989 switch (status) { 1990 case 1: 1991 status = 80; 1992 break; 1993 case 2: 1994 status = 50; 1995 break; 1996 case 3: 1997 status = 100; 1998 break; 1999 default: 2000 status = 0; 2001 break; 2002 } 2003 2004 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2005 } 2006 2007 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2008 struct device_attribute *attr, char *buffer) 2009 { 2010 ssize_t count = 0; 2011 unsigned int health; 2012 2013 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2014 return -EIO; 2015 2016 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2017 2018 return count; 2019 } 2020 2021 static int sony_nc_battery_care_setup(struct platform_device *pd, 2022 unsigned int handle) 2023 { 2024 int ret = 0; 2025 2026 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2027 if (!bcare_ctl) 2028 return -ENOMEM; 2029 2030 bcare_ctl->handle = handle; 2031 2032 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2033 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2034 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2035 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2036 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2037 2038 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2039 if (ret) 2040 goto outkzalloc; 2041 2042 /* 0x0115 is for models with no health reporting capability */ 2043 if (handle == 0x0115) 2044 return 0; 2045 2046 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2047 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2048 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2049 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2050 2051 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2052 if (ret) 2053 goto outlimiter; 2054 2055 return 0; 2056 2057 outlimiter: 2058 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2059 2060 outkzalloc: 2061 kfree(bcare_ctl); 2062 bcare_ctl = NULL; 2063 2064 return ret; 2065 } 2066 2067 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2068 { 2069 if (bcare_ctl) { 2070 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2071 if (bcare_ctl->handle != 0x0115) 2072 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2073 2074 kfree(bcare_ctl); 2075 bcare_ctl = NULL; 2076 } 2077 } 2078 2079 struct snc_thermal_ctrl { 2080 unsigned int mode; 2081 unsigned int profiles; 2082 struct device_attribute mode_attr; 2083 struct device_attribute profiles_attr; 2084 }; 2085 static struct snc_thermal_ctrl *th_handle; 2086 2087 #define THM_PROFILE_MAX 3 2088 static const char * const snc_thermal_profiles[] = { 2089 "balanced", 2090 "silent", 2091 "performance" 2092 }; 2093 2094 static int sony_nc_thermal_mode_set(unsigned short mode) 2095 { 2096 unsigned int result; 2097 2098 /* the thermal profile seems to be a two bit bitmask: 2099 * lsb -> silent 2100 * msb -> performance 2101 * no bit set is the normal operation and is always valid 2102 * Some vaio models only have "balanced" and "performance" 2103 */ 2104 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2105 return -EINVAL; 2106 2107 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2108 return -EIO; 2109 2110 th_handle->mode = mode; 2111 2112 return 0; 2113 } 2114 2115 static int sony_nc_thermal_mode_get(void) 2116 { 2117 unsigned int result; 2118 2119 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2120 return -EIO; 2121 2122 return result & 0xff; 2123 } 2124 2125 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2126 struct device_attribute *attr, char *buffer) 2127 { 2128 short cnt; 2129 size_t idx = 0; 2130 2131 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2132 if (!cnt || (th_handle->profiles & cnt)) 2133 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2134 snc_thermal_profiles[cnt]); 2135 } 2136 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2137 2138 return idx; 2139 } 2140 2141 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2142 struct device_attribute *attr, 2143 const char *buffer, size_t count) 2144 { 2145 unsigned short cmd; 2146 size_t len = count; 2147 2148 if (count == 0) 2149 return -EINVAL; 2150 2151 /* skip the newline if present */ 2152 if (buffer[len - 1] == '\n') 2153 len--; 2154 2155 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2156 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2157 break; 2158 2159 if (sony_nc_thermal_mode_set(cmd)) 2160 return -EIO; 2161 2162 return count; 2163 } 2164 2165 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2166 struct device_attribute *attr, char *buffer) 2167 { 2168 ssize_t count = 0; 2169 int mode = sony_nc_thermal_mode_get(); 2170 2171 if (mode < 0) 2172 return mode; 2173 2174 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2175 2176 return count; 2177 } 2178 2179 static int sony_nc_thermal_setup(struct platform_device *pd) 2180 { 2181 int ret = 0; 2182 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2183 if (!th_handle) 2184 return -ENOMEM; 2185 2186 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2187 if (ret) { 2188 pr_warn("couldn't to read the thermal profiles\n"); 2189 goto outkzalloc; 2190 } 2191 2192 ret = sony_nc_thermal_mode_get(); 2193 if (ret < 0) { 2194 pr_warn("couldn't to read the current thermal profile"); 2195 goto outkzalloc; 2196 } 2197 th_handle->mode = ret; 2198 2199 sysfs_attr_init(&th_handle->profiles_attr.attr); 2200 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2201 th_handle->profiles_attr.attr.mode = S_IRUGO; 2202 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2203 2204 sysfs_attr_init(&th_handle->mode_attr.attr); 2205 th_handle->mode_attr.attr.name = "thermal_control"; 2206 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2207 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2208 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2209 2210 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2211 if (ret) 2212 goto outkzalloc; 2213 2214 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2215 if (ret) 2216 goto outprofiles; 2217 2218 return 0; 2219 2220 outprofiles: 2221 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2222 outkzalloc: 2223 kfree(th_handle); 2224 th_handle = NULL; 2225 return ret; 2226 } 2227 2228 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2229 { 2230 if (th_handle) { 2231 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2232 device_remove_file(&pd->dev, &th_handle->mode_attr); 2233 kfree(th_handle); 2234 th_handle = NULL; 2235 } 2236 } 2237 2238 #ifdef CONFIG_PM_SLEEP 2239 static void sony_nc_thermal_resume(void) 2240 { 2241 unsigned int status = sony_nc_thermal_mode_get(); 2242 2243 if (status != th_handle->mode) 2244 sony_nc_thermal_mode_set(th_handle->mode); 2245 } 2246 #endif 2247 2248 /* resume on LID open */ 2249 struct snc_lid_resume_control { 2250 struct device_attribute attrs[3]; 2251 unsigned int status; 2252 }; 2253 static struct snc_lid_resume_control *lid_ctl; 2254 2255 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2256 struct device_attribute *attr, 2257 const char *buffer, size_t count) 2258 { 2259 unsigned int result, pos; 2260 unsigned long value; 2261 if (count > 31) 2262 return -EINVAL; 2263 2264 if (kstrtoul(buffer, 10, &value) || value > 1) 2265 return -EINVAL; 2266 2267 /* the value we have to write to SNC is a bitmask: 2268 * +--------------+ 2269 * | S3 | S4 | S5 | 2270 * +--------------+ 2271 * 2 1 0 2272 */ 2273 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2274 pos = 2; 2275 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2276 pos = 1; 2277 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2278 pos = 0; 2279 else 2280 return -EINVAL; 2281 2282 if (value) 2283 value = lid_ctl->status | (1 << pos); 2284 else 2285 value = lid_ctl->status & ~(1 << pos); 2286 2287 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) 2288 return -EIO; 2289 2290 lid_ctl->status = value; 2291 2292 return count; 2293 } 2294 2295 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2296 struct device_attribute *attr, char *buffer) 2297 { 2298 unsigned int pos; 2299 2300 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2301 pos = 2; 2302 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2303 pos = 1; 2304 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2305 pos = 0; 2306 else 2307 return -EINVAL; 2308 2309 return snprintf(buffer, PAGE_SIZE, "%d\n", 2310 (lid_ctl->status >> pos) & 0x01); 2311 } 2312 2313 static int sony_nc_lid_resume_setup(struct platform_device *pd) 2314 { 2315 unsigned int result; 2316 int i; 2317 2318 if (sony_call_snc_handle(0x0119, 0x0000, &result)) 2319 return -EIO; 2320 2321 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2322 if (!lid_ctl) 2323 return -ENOMEM; 2324 2325 lid_ctl->status = result & 0x7; 2326 2327 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2328 lid_ctl->attrs[0].attr.name = "lid_resume_S3"; 2329 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2330 lid_ctl->attrs[0].show = sony_nc_lid_resume_show; 2331 lid_ctl->attrs[0].store = sony_nc_lid_resume_store; 2332 2333 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2334 lid_ctl->attrs[1].attr.name = "lid_resume_S4"; 2335 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; 2336 lid_ctl->attrs[1].show = sony_nc_lid_resume_show; 2337 lid_ctl->attrs[1].store = sony_nc_lid_resume_store; 2338 2339 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2340 lid_ctl->attrs[2].attr.name = "lid_resume_S5"; 2341 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; 2342 lid_ctl->attrs[2].show = sony_nc_lid_resume_show; 2343 lid_ctl->attrs[2].store = sony_nc_lid_resume_store; 2344 2345 for (i = 0; i < 3; i++) { 2346 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2347 if (result) 2348 goto liderror; 2349 } 2350 2351 return 0; 2352 2353 liderror: 2354 for (i--; i >= 0; i--) 2355 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2356 2357 kfree(lid_ctl); 2358 lid_ctl = NULL; 2359 2360 return result; 2361 } 2362 2363 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2364 { 2365 int i; 2366 2367 if (lid_ctl) { 2368 for (i = 0; i < 3; i++) 2369 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2370 2371 kfree(lid_ctl); 2372 lid_ctl = NULL; 2373 } 2374 } 2375 2376 /* GFX Switch position */ 2377 enum gfx_switch { 2378 SPEED, 2379 STAMINA, 2380 AUTO 2381 }; 2382 struct snc_gfx_switch_control { 2383 struct device_attribute attr; 2384 unsigned int handle; 2385 }; 2386 static struct snc_gfx_switch_control *gfxs_ctl; 2387 2388 /* returns 0 for speed, 1 for stamina */ 2389 static int __sony_nc_gfx_switch_status_get(void) 2390 { 2391 unsigned int result; 2392 2393 if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result)) 2394 return -EIO; 2395 2396 switch (gfxs_ctl->handle) { 2397 case 0x0146: 2398 /* 1: discrete GFX (speed) 2399 * 0: integrated GFX (stamina) 2400 */ 2401 return result & 0x1 ? SPEED : STAMINA; 2402 break; 2403 case 0x0128: 2404 /* it's a more elaborated bitmask, for now: 2405 * 2: integrated GFX (stamina) 2406 * 0: discrete GFX (speed) 2407 */ 2408 dprintk("GFX Status: 0x%x\n", result); 2409 return result & 0x80 ? AUTO : 2410 result & 0x02 ? STAMINA : SPEED; 2411 break; 2412 } 2413 return -EINVAL; 2414 } 2415 2416 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2417 struct device_attribute *attr, 2418 char *buffer) 2419 { 2420 int pos = __sony_nc_gfx_switch_status_get(); 2421 2422 if (pos < 0) 2423 return pos; 2424 2425 return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina"); 2426 } 2427 2428 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2429 unsigned int handle) 2430 { 2431 unsigned int result; 2432 2433 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2434 if (!gfxs_ctl) 2435 return -ENOMEM; 2436 2437 gfxs_ctl->handle = handle; 2438 2439 sysfs_attr_init(&gfxs_ctl->attr.attr); 2440 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2441 gfxs_ctl->attr.attr.mode = S_IRUGO; 2442 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2443 2444 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2445 if (result) 2446 goto gfxerror; 2447 2448 return 0; 2449 2450 gfxerror: 2451 kfree(gfxs_ctl); 2452 gfxs_ctl = NULL; 2453 2454 return result; 2455 } 2456 2457 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2458 { 2459 if (gfxs_ctl) { 2460 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2461 2462 kfree(gfxs_ctl); 2463 gfxs_ctl = NULL; 2464 } 2465 } 2466 2467 /* High speed charging function */ 2468 static struct device_attribute *hsc_handle; 2469 2470 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2471 struct device_attribute *attr, 2472 const char *buffer, size_t count) 2473 { 2474 unsigned int result; 2475 unsigned long value; 2476 2477 if (count > 31) 2478 return -EINVAL; 2479 2480 if (kstrtoul(buffer, 10, &value) || value > 1) 2481 return -EINVAL; 2482 2483 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2484 return -EIO; 2485 2486 return count; 2487 } 2488 2489 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2490 struct device_attribute *attr, char *buffer) 2491 { 2492 unsigned int result; 2493 2494 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2495 return -EIO; 2496 2497 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2498 } 2499 2500 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2501 { 2502 unsigned int result; 2503 2504 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2505 /* some models advertise the handle but have no implementation 2506 * for it 2507 */ 2508 pr_info("No High Speed Charging capability found\n"); 2509 return 0; 2510 } 2511 2512 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2513 if (!hsc_handle) 2514 return -ENOMEM; 2515 2516 sysfs_attr_init(&hsc_handle->attr); 2517 hsc_handle->attr.name = "battery_highspeed_charging"; 2518 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2519 hsc_handle->show = sony_nc_highspeed_charging_show; 2520 hsc_handle->store = sony_nc_highspeed_charging_store; 2521 2522 result = device_create_file(&pd->dev, hsc_handle); 2523 if (result) { 2524 kfree(hsc_handle); 2525 hsc_handle = NULL; 2526 return result; 2527 } 2528 2529 return 0; 2530 } 2531 2532 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2533 { 2534 if (hsc_handle) { 2535 device_remove_file(&pd->dev, hsc_handle); 2536 kfree(hsc_handle); 2537 hsc_handle = NULL; 2538 } 2539 } 2540 2541 /* Touchpad enable/disable */ 2542 struct touchpad_control { 2543 struct device_attribute attr; 2544 int handle; 2545 }; 2546 static struct touchpad_control *tp_ctl; 2547 2548 static ssize_t sony_nc_touchpad_store(struct device *dev, 2549 struct device_attribute *attr, const char *buffer, size_t count) 2550 { 2551 unsigned int result; 2552 unsigned long value; 2553 2554 if (count > 31) 2555 return -EINVAL; 2556 2557 if (kstrtoul(buffer, 10, &value) || value > 1) 2558 return -EINVAL; 2559 2560 /* sysfs: 0 disabled, 1 enabled 2561 * EC: 0 enabled, 1 disabled 2562 */ 2563 if (sony_call_snc_handle(tp_ctl->handle, 2564 (!value << 0x10) | 0x100, &result)) 2565 return -EIO; 2566 2567 return count; 2568 } 2569 2570 static ssize_t sony_nc_touchpad_show(struct device *dev, 2571 struct device_attribute *attr, char *buffer) 2572 { 2573 unsigned int result; 2574 2575 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2576 return -EINVAL; 2577 2578 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2579 } 2580 2581 static int sony_nc_touchpad_setup(struct platform_device *pd, 2582 unsigned int handle) 2583 { 2584 int ret = 0; 2585 2586 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2587 if (!tp_ctl) 2588 return -ENOMEM; 2589 2590 tp_ctl->handle = handle; 2591 2592 sysfs_attr_init(&tp_ctl->attr.attr); 2593 tp_ctl->attr.attr.name = "touchpad"; 2594 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 2595 tp_ctl->attr.show = sony_nc_touchpad_show; 2596 tp_ctl->attr.store = sony_nc_touchpad_store; 2597 2598 ret = device_create_file(&pd->dev, &tp_ctl->attr); 2599 if (ret) { 2600 kfree(tp_ctl); 2601 tp_ctl = NULL; 2602 } 2603 2604 return ret; 2605 } 2606 2607 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 2608 { 2609 if (tp_ctl) { 2610 device_remove_file(&pd->dev, &tp_ctl->attr); 2611 kfree(tp_ctl); 2612 tp_ctl = NULL; 2613 } 2614 } 2615 2616 static void sony_nc_backlight_ng_read_limits(int handle, 2617 struct sony_backlight_props *props) 2618 { 2619 u64 offset; 2620 int i; 2621 int lvl_table_len = 0; 2622 u8 min = 0xff, max = 0x00; 2623 unsigned char buffer[32] = { 0 }; 2624 2625 props->handle = handle; 2626 props->offset = 0; 2627 props->maxlvl = 0xff; 2628 2629 offset = sony_find_snc_handle(handle); 2630 2631 /* try to read the boundaries from ACPI tables, if we fail the above 2632 * defaults should be reasonable 2633 */ 2634 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 2635 32); 2636 if (i < 0) 2637 return; 2638 2639 switch (handle) { 2640 case 0x012f: 2641 case 0x0137: 2642 lvl_table_len = 9; 2643 break; 2644 case 0x143: 2645 case 0x14b: 2646 case 0x14c: 2647 lvl_table_len = 16; 2648 break; 2649 } 2650 2651 /* the buffer lists brightness levels available, brightness levels are 2652 * from position 0 to 8 in the array, other values are used by ALS 2653 * control. 2654 */ 2655 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 2656 2657 dprintk("Brightness level: %d\n", buffer[i]); 2658 2659 if (!buffer[i]) 2660 break; 2661 2662 if (buffer[i] > max) 2663 max = buffer[i]; 2664 if (buffer[i] < min) 2665 min = buffer[i]; 2666 } 2667 props->offset = min; 2668 props->maxlvl = max; 2669 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 2670 props->maxlvl); 2671 } 2672 2673 static void sony_nc_backlight_setup(void) 2674 { 2675 acpi_handle unused; 2676 int max_brightness = 0; 2677 const struct backlight_ops *ops = NULL; 2678 struct backlight_properties props; 2679 2680 if (sony_find_snc_handle(0x12f) >= 0) { 2681 ops = &sony_backlight_ng_ops; 2682 sony_bl_props.cmd_base = 0x0100; 2683 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 2684 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2685 2686 } else if (sony_find_snc_handle(0x137) >= 0) { 2687 ops = &sony_backlight_ng_ops; 2688 sony_bl_props.cmd_base = 0x0100; 2689 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 2690 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2691 2692 } else if (sony_find_snc_handle(0x143) >= 0) { 2693 ops = &sony_backlight_ng_ops; 2694 sony_bl_props.cmd_base = 0x3000; 2695 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 2696 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2697 2698 } else if (sony_find_snc_handle(0x14b) >= 0) { 2699 ops = &sony_backlight_ng_ops; 2700 sony_bl_props.cmd_base = 0x3000; 2701 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 2702 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2703 2704 } else if (sony_find_snc_handle(0x14c) >= 0) { 2705 ops = &sony_backlight_ng_ops; 2706 sony_bl_props.cmd_base = 0x3000; 2707 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 2708 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2709 2710 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 2711 &unused))) { 2712 ops = &sony_backlight_ops; 2713 max_brightness = SONY_MAX_BRIGHTNESS - 1; 2714 2715 } else 2716 return; 2717 2718 memset(&props, 0, sizeof(struct backlight_properties)); 2719 props.type = BACKLIGHT_PLATFORM; 2720 props.max_brightness = max_brightness; 2721 sony_bl_props.dev = backlight_device_register("sony", NULL, 2722 &sony_bl_props, 2723 ops, &props); 2724 2725 if (IS_ERR(sony_bl_props.dev)) { 2726 pr_warn("unable to register backlight device\n"); 2727 sony_bl_props.dev = NULL; 2728 } else 2729 sony_bl_props.dev->props.brightness = 2730 ops->get_brightness(sony_bl_props.dev); 2731 } 2732 2733 static void sony_nc_backlight_cleanup(void) 2734 { 2735 if (sony_bl_props.dev) 2736 backlight_device_unregister(sony_bl_props.dev); 2737 } 2738 2739 static int sony_nc_add(struct acpi_device *device) 2740 { 2741 acpi_status status; 2742 int result = 0; 2743 acpi_handle handle; 2744 struct sony_nc_value *item; 2745 2746 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2747 2748 sony_nc_acpi_device = device; 2749 strcpy(acpi_device_class(device), "sony/hotkey"); 2750 2751 sony_nc_acpi_handle = device->handle; 2752 2753 /* read device status */ 2754 result = acpi_bus_get_status(device); 2755 /* bail IFF the above call was successful and the device is not present */ 2756 if (!result && !device->status.present) { 2757 dprintk("Device not present\n"); 2758 result = -ENODEV; 2759 goto outwalk; 2760 } 2761 2762 result = sony_pf_add(); 2763 if (result) 2764 goto outpresent; 2765 2766 if (debug) { 2767 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 2768 sony_nc_acpi_handle, 1, sony_walk_callback, 2769 NULL, NULL, NULL); 2770 if (ACPI_FAILURE(status)) { 2771 pr_warn("unable to walk acpi resources\n"); 2772 result = -ENODEV; 2773 goto outpresent; 2774 } 2775 } 2776 2777 result = sony_laptop_setup_input(device); 2778 if (result) { 2779 pr_err("Unable to create input devices\n"); 2780 goto outplatform; 2781 } 2782 2783 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 2784 &handle))) { 2785 int arg = 1; 2786 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 2787 dprintk("ECON Method failed\n"); 2788 } 2789 2790 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 2791 &handle))) { 2792 dprintk("Doing SNC setup\n"); 2793 /* retrieve the available handles */ 2794 result = sony_nc_handles_setup(sony_pf_device); 2795 if (!result) 2796 sony_nc_function_setup(device, sony_pf_device); 2797 } 2798 2799 /* setup input devices and helper fifo */ 2800 if (acpi_video_backlight_support()) { 2801 pr_info("brightness ignored, must be controlled by ACPI video driver\n"); 2802 } else { 2803 sony_nc_backlight_setup(); 2804 } 2805 2806 /* create sony_pf sysfs attributes related to the SNC device */ 2807 for (item = sony_nc_values; item->name; ++item) { 2808 2809 if (!debug && item->debug) 2810 continue; 2811 2812 /* find the available acpiget as described in the DSDT */ 2813 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 2814 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 2815 *item->acpiget, 2816 &handle))) { 2817 dprintk("Found %s getter: %s\n", 2818 item->name, *item->acpiget); 2819 item->devattr.attr.mode |= S_IRUGO; 2820 break; 2821 } 2822 } 2823 2824 /* find the available acpiset as described in the DSDT */ 2825 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 2826 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 2827 *item->acpiset, 2828 &handle))) { 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 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 } 4144 4145 /* Attempt to set the resource */ 4146 dprintk("Evaluating _SRS\n"); 4147 status = acpi_set_current_resources(device->handle, &buffer); 4148 4149 /* check for total failure */ 4150 if (ACPI_FAILURE(status)) { 4151 pr_err("Error evaluating _SRS\n"); 4152 result = -ENODEV; 4153 goto end; 4154 } 4155 4156 /* Necessary device initializations calls (from sonypi) */ 4157 sony_pic_call1(0x82); 4158 sony_pic_call2(0x81, 0xff); 4159 sony_pic_call1(compat ? 0x92 : 0x82); 4160 4161 end: 4162 kfree(resource); 4163 return result; 4164 } 4165 4166 /***************** 4167 * 4168 * ISR: some event is available 4169 * 4170 *****************/ 4171 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4172 { 4173 int i, j; 4174 u8 ev = 0; 4175 u8 data_mask = 0; 4176 u8 device_event = 0; 4177 4178 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4179 4180 ev = inb_p(dev->cur_ioport->io1.minimum); 4181 if (dev->cur_ioport->io2.minimum) 4182 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4183 else 4184 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4185 dev->evport_offset); 4186 4187 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4188 ev, data_mask, dev->cur_ioport->io1.minimum, 4189 dev->evport_offset); 4190 4191 if (ev == 0x00 || ev == 0xff) 4192 return IRQ_HANDLED; 4193 4194 for (i = 0; dev->event_types[i].mask; i++) { 4195 4196 if ((data_mask & dev->event_types[i].data) != 4197 dev->event_types[i].data) 4198 continue; 4199 4200 if (!(mask & dev->event_types[i].mask)) 4201 continue; 4202 4203 for (j = 0; dev->event_types[i].events[j].event; j++) { 4204 if (ev == dev->event_types[i].events[j].data) { 4205 device_event = 4206 dev->event_types[i].events[j].event; 4207 /* some events may require ignoring */ 4208 if (!device_event) 4209 return IRQ_HANDLED; 4210 goto found; 4211 } 4212 } 4213 } 4214 /* Still not able to decode the event try to pass 4215 * it over to the minidriver 4216 */ 4217 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4218 return IRQ_HANDLED; 4219 4220 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4221 ev, data_mask, dev->cur_ioport->io1.minimum, 4222 dev->evport_offset); 4223 return IRQ_HANDLED; 4224 4225 found: 4226 sony_laptop_report_input_event(device_event); 4227 acpi_bus_generate_proc_event(dev->acpi_dev, 1, 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 if (sonypi_compat_init()) 4305 goto err_remove_input; 4306 4307 /* request io port */ 4308 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4309 if (request_region(io->io1.minimum, io->io1.address_length, 4310 "Sony Programmable I/O Device")) { 4311 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4312 io->io1.minimum, io->io1.maximum, 4313 io->io1.address_length); 4314 /* Type 1 have 2 ioports */ 4315 if (io->io2.minimum) { 4316 if (request_region(io->io2.minimum, 4317 io->io2.address_length, 4318 "Sony Programmable I/O Device")) { 4319 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4320 io->io2.minimum, io->io2.maximum, 4321 io->io2.address_length); 4322 spic_dev.cur_ioport = io; 4323 break; 4324 } 4325 else { 4326 dprintk("Unable to get I/O port2: " 4327 "0x%.4x (0x%.4x) + 0x%.2x\n", 4328 io->io2.minimum, io->io2.maximum, 4329 io->io2.address_length); 4330 release_region(io->io1.minimum, 4331 io->io1.address_length); 4332 } 4333 } 4334 else { 4335 spic_dev.cur_ioport = io; 4336 break; 4337 } 4338 } 4339 } 4340 if (!spic_dev.cur_ioport) { 4341 pr_err("Failed to request_region\n"); 4342 result = -ENODEV; 4343 goto err_remove_compat; 4344 } 4345 4346 /* request IRQ */ 4347 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4348 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4349 0, "sony-laptop", &spic_dev)) { 4350 dprintk("IRQ: %d - triggering: %d - " 4351 "polarity: %d - shr: %d\n", 4352 irq->irq.interrupts[0], 4353 irq->irq.triggering, 4354 irq->irq.polarity, 4355 irq->irq.sharable); 4356 spic_dev.cur_irq = irq; 4357 break; 4358 } 4359 } 4360 if (!spic_dev.cur_irq) { 4361 pr_err("Failed to request_irq\n"); 4362 result = -ENODEV; 4363 goto err_release_region; 4364 } 4365 4366 /* set resource status _SRS */ 4367 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4368 if (result) { 4369 pr_err("Couldn't enable device\n"); 4370 goto err_free_irq; 4371 } 4372 4373 spic_dev.bluetooth_power = -1; 4374 /* create device attributes */ 4375 result = sony_pf_add(); 4376 if (result) 4377 goto err_disable_device; 4378 4379 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4380 if (result) 4381 goto err_remove_pf; 4382 4383 return 0; 4384 4385 err_remove_pf: 4386 sony_pf_remove(); 4387 4388 err_disable_device: 4389 sony_pic_disable(device); 4390 4391 err_free_irq: 4392 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4393 4394 err_release_region: 4395 release_region(spic_dev.cur_ioport->io1.minimum, 4396 spic_dev.cur_ioport->io1.address_length); 4397 if (spic_dev.cur_ioport->io2.minimum) 4398 release_region(spic_dev.cur_ioport->io2.minimum, 4399 spic_dev.cur_ioport->io2.address_length); 4400 4401 err_remove_compat: 4402 sonypi_compat_exit(); 4403 4404 err_remove_input: 4405 sony_laptop_remove_input(); 4406 4407 err_free_resources: 4408 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4409 list_del(&io->list); 4410 kfree(io); 4411 } 4412 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4413 list_del(&irq->list); 4414 kfree(irq); 4415 } 4416 spic_dev.cur_ioport = NULL; 4417 spic_dev.cur_irq = NULL; 4418 4419 return result; 4420 } 4421 4422 #ifdef CONFIG_PM_SLEEP 4423 static int sony_pic_suspend(struct device *dev) 4424 { 4425 if (sony_pic_disable(to_acpi_device(dev))) 4426 return -ENXIO; 4427 return 0; 4428 } 4429 4430 static int sony_pic_resume(struct device *dev) 4431 { 4432 sony_pic_enable(to_acpi_device(dev), 4433 spic_dev.cur_ioport, spic_dev.cur_irq); 4434 return 0; 4435 } 4436 #endif 4437 4438 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4439 4440 static const struct acpi_device_id sony_pic_device_ids[] = { 4441 {SONY_PIC_HID, 0}, 4442 {"", 0}, 4443 }; 4444 4445 static struct acpi_driver sony_pic_driver = { 4446 .name = SONY_PIC_DRIVER_NAME, 4447 .class = SONY_PIC_CLASS, 4448 .ids = sony_pic_device_ids, 4449 .owner = THIS_MODULE, 4450 .ops = { 4451 .add = sony_pic_add, 4452 .remove = sony_pic_remove, 4453 }, 4454 .drv.pm = &sony_pic_pm, 4455 }; 4456 4457 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4458 { 4459 .ident = "Sony Vaio", 4460 .matches = { 4461 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4462 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4463 }, 4464 }, 4465 { 4466 .ident = "Sony Vaio", 4467 .matches = { 4468 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4469 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4470 }, 4471 }, 4472 { } 4473 }; 4474 4475 static int __init sony_laptop_init(void) 4476 { 4477 int result; 4478 4479 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4480 result = acpi_bus_register_driver(&sony_pic_driver); 4481 if (result) { 4482 pr_err("Unable to register SPIC driver\n"); 4483 goto out; 4484 } 4485 spic_drv_registered = 1; 4486 } 4487 4488 result = acpi_bus_register_driver(&sony_nc_driver); 4489 if (result) { 4490 pr_err("Unable to register SNC driver\n"); 4491 goto out_unregister_pic; 4492 } 4493 4494 return 0; 4495 4496 out_unregister_pic: 4497 if (spic_drv_registered) 4498 acpi_bus_unregister_driver(&sony_pic_driver); 4499 out: 4500 return result; 4501 } 4502 4503 static void __exit sony_laptop_exit(void) 4504 { 4505 acpi_bus_unregister_driver(&sony_nc_driver); 4506 if (spic_drv_registered) 4507 acpi_bus_unregister_driver(&sony_pic_driver); 4508 } 4509 4510 module_init(sony_laptop_init); 4511 module_exit(sony_laptop_exit); 4512