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 case 0x015B: 1259 /* Hybrid GFX switching SVS151290S */ 1260 ev_type = GFX_SWITCH; 1261 real_ev = __sony_nc_gfx_switch_status_get(); 1262 break; 1263 default: 1264 dprintk("Unknown event 0x%x for handle 0x%x\n", 1265 event, handle); 1266 break; 1267 } 1268 1269 /* clear the event (and the event reason when present) */ 1270 arg = 1 << offset; 1271 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1272 1273 } else { 1274 /* old style event */ 1275 ev_type = HOTKEY; 1276 sony_laptop_report_input_event(real_ev); 1277 } 1278 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1279 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1280 } 1281 1282 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1283 void *context, void **return_value) 1284 { 1285 struct acpi_device_info *info; 1286 1287 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1288 pr_warn("method: name: %4.4s, args %X\n", 1289 (char *)&info->name, info->param_count); 1290 1291 kfree(info); 1292 } 1293 1294 return AE_OK; 1295 } 1296 1297 /* 1298 * ACPI device 1299 */ 1300 static void sony_nc_function_setup(struct acpi_device *device, 1301 struct platform_device *pf_device) 1302 { 1303 unsigned int i, result, bitmask, arg; 1304 1305 if (!handles) 1306 return; 1307 1308 /* setup found handles here */ 1309 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1310 unsigned int handle = handles->cap[i]; 1311 1312 if (!handle) 1313 continue; 1314 1315 dprintk("setting up handle 0x%.4x\n", handle); 1316 1317 switch (handle) { 1318 case 0x0100: 1319 case 0x0101: 1320 case 0x0127: 1321 /* setup hotkeys */ 1322 sony_call_snc_handle(handle, 0, &result); 1323 break; 1324 case 0x0102: 1325 /* setup hotkeys */ 1326 sony_call_snc_handle(handle, 0x100, &result); 1327 break; 1328 case 0x0105: 1329 case 0x0148: 1330 /* touchpad enable/disable */ 1331 result = sony_nc_touchpad_setup(pf_device, handle); 1332 if (result) 1333 pr_err("couldn't set up touchpad control function (%d)\n", 1334 result); 1335 break; 1336 case 0x0115: 1337 case 0x0136: 1338 case 0x013f: 1339 result = sony_nc_battery_care_setup(pf_device, handle); 1340 if (result) 1341 pr_err("couldn't set up battery care function (%d)\n", 1342 result); 1343 break; 1344 case 0x0119: 1345 result = sony_nc_lid_resume_setup(pf_device); 1346 if (result) 1347 pr_err("couldn't set up lid resume function (%d)\n", 1348 result); 1349 break; 1350 case 0x0122: 1351 result = sony_nc_thermal_setup(pf_device); 1352 if (result) 1353 pr_err("couldn't set up thermal profile function (%d)\n", 1354 result); 1355 break; 1356 case 0x0128: 1357 case 0x0146: 1358 case 0x015B: 1359 result = sony_nc_gfx_switch_setup(pf_device, handle); 1360 if (result) 1361 pr_err("couldn't set up GFX Switch status (%d)\n", 1362 result); 1363 break; 1364 case 0x0131: 1365 result = sony_nc_highspeed_charging_setup(pf_device); 1366 if (result) 1367 pr_err("couldn't set up high speed charging function (%d)\n", 1368 result); 1369 break; 1370 case 0x0124: 1371 case 0x0135: 1372 result = sony_nc_rfkill_setup(device, handle); 1373 if (result) 1374 pr_err("couldn't set up rfkill support (%d)\n", 1375 result); 1376 break; 1377 case 0x0137: 1378 case 0x0143: 1379 case 0x014b: 1380 case 0x014c: 1381 case 0x0163: 1382 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1383 if (result) 1384 pr_err("couldn't set up keyboard backlight function (%d)\n", 1385 result); 1386 break; 1387 default: 1388 continue; 1389 } 1390 } 1391 1392 /* Enable all events */ 1393 arg = 0x10; 1394 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1395 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1396 &result); 1397 } 1398 1399 static void sony_nc_function_cleanup(struct platform_device *pd) 1400 { 1401 unsigned int i, result, bitmask, handle; 1402 1403 /* get enabled events and disable them */ 1404 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1405 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1406 1407 /* cleanup handles here */ 1408 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1409 1410 handle = handles->cap[i]; 1411 1412 if (!handle) 1413 continue; 1414 1415 switch (handle) { 1416 case 0x0105: 1417 case 0x0148: 1418 sony_nc_touchpad_cleanup(pd); 1419 break; 1420 case 0x0115: 1421 case 0x0136: 1422 case 0x013f: 1423 sony_nc_battery_care_cleanup(pd); 1424 break; 1425 case 0x0119: 1426 sony_nc_lid_resume_cleanup(pd); 1427 break; 1428 case 0x0122: 1429 sony_nc_thermal_cleanup(pd); 1430 break; 1431 case 0x0128: 1432 case 0x0146: 1433 case 0x015B: 1434 sony_nc_gfx_switch_cleanup(pd); 1435 break; 1436 case 0x0131: 1437 sony_nc_highspeed_charging_cleanup(pd); 1438 break; 1439 case 0x0124: 1440 case 0x0135: 1441 sony_nc_rfkill_cleanup(); 1442 break; 1443 case 0x0137: 1444 case 0x0143: 1445 case 0x014b: 1446 case 0x014c: 1447 case 0x0163: 1448 sony_nc_kbd_backlight_cleanup(pd); 1449 break; 1450 default: 1451 continue; 1452 } 1453 } 1454 1455 /* finally cleanup the handles list */ 1456 sony_nc_handles_cleanup(pd); 1457 } 1458 1459 #ifdef CONFIG_PM_SLEEP 1460 static void sony_nc_function_resume(void) 1461 { 1462 unsigned int i, result, bitmask, arg; 1463 1464 dprintk("Resuming SNC device\n"); 1465 1466 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1467 unsigned int handle = handles->cap[i]; 1468 1469 if (!handle) 1470 continue; 1471 1472 switch (handle) { 1473 case 0x0100: 1474 case 0x0101: 1475 case 0x0127: 1476 /* re-enable hotkeys */ 1477 sony_call_snc_handle(handle, 0, &result); 1478 break; 1479 case 0x0102: 1480 /* re-enable hotkeys */ 1481 sony_call_snc_handle(handle, 0x100, &result); 1482 break; 1483 case 0x0122: 1484 sony_nc_thermal_resume(); 1485 break; 1486 case 0x0124: 1487 case 0x0135: 1488 sony_nc_rfkill_update(); 1489 break; 1490 case 0x0137: 1491 case 0x0143: 1492 case 0x014b: 1493 case 0x014c: 1494 case 0x0163: 1495 sony_nc_kbd_backlight_resume(); 1496 break; 1497 default: 1498 continue; 1499 } 1500 } 1501 1502 /* Enable all events */ 1503 arg = 0x10; 1504 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1505 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1506 &result); 1507 } 1508 1509 static int sony_nc_resume(struct device *dev) 1510 { 1511 struct sony_nc_value *item; 1512 acpi_handle handle; 1513 1514 for (item = sony_nc_values; item->name; item++) { 1515 int ret; 1516 1517 if (!item->valid) 1518 continue; 1519 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1520 &item->value, NULL); 1521 if (ret < 0) { 1522 pr_err("%s: %d\n", __func__, ret); 1523 break; 1524 } 1525 } 1526 1527 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 1528 &handle))) { 1529 int arg = 1; 1530 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1531 dprintk("ECON Method failed\n"); 1532 } 1533 1534 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 1535 &handle))) 1536 sony_nc_function_resume(); 1537 1538 return 0; 1539 } 1540 #endif 1541 1542 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1543 1544 static void sony_nc_rfkill_cleanup(void) 1545 { 1546 int i; 1547 1548 for (i = 0; i < N_SONY_RFKILL; i++) { 1549 if (sony_rfkill_devices[i]) { 1550 rfkill_unregister(sony_rfkill_devices[i]); 1551 rfkill_destroy(sony_rfkill_devices[i]); 1552 } 1553 } 1554 } 1555 1556 static int sony_nc_rfkill_set(void *data, bool blocked) 1557 { 1558 int result; 1559 int argument = sony_rfkill_address[(long) data] + 0x100; 1560 1561 if (!blocked) 1562 argument |= 0x070000; 1563 1564 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1565 } 1566 1567 static const struct rfkill_ops sony_rfkill_ops = { 1568 .set_block = sony_nc_rfkill_set, 1569 }; 1570 1571 static int sony_nc_setup_rfkill(struct acpi_device *device, 1572 enum sony_nc_rfkill nc_type) 1573 { 1574 int err = 0; 1575 struct rfkill *rfk; 1576 enum rfkill_type type; 1577 const char *name; 1578 int result; 1579 bool hwblock, swblock; 1580 1581 switch (nc_type) { 1582 case SONY_WIFI: 1583 type = RFKILL_TYPE_WLAN; 1584 name = "sony-wifi"; 1585 break; 1586 case SONY_BLUETOOTH: 1587 type = RFKILL_TYPE_BLUETOOTH; 1588 name = "sony-bluetooth"; 1589 break; 1590 case SONY_WWAN: 1591 type = RFKILL_TYPE_WWAN; 1592 name = "sony-wwan"; 1593 break; 1594 case SONY_WIMAX: 1595 type = RFKILL_TYPE_WIMAX; 1596 name = "sony-wimax"; 1597 break; 1598 default: 1599 return -EINVAL; 1600 } 1601 1602 rfk = rfkill_alloc(name, &device->dev, type, 1603 &sony_rfkill_ops, (void *)nc_type); 1604 if (!rfk) 1605 return -ENOMEM; 1606 1607 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1608 rfkill_destroy(rfk); 1609 return -1; 1610 } 1611 hwblock = !(result & 0x1); 1612 1613 if (sony_call_snc_handle(sony_rfkill_handle, 1614 sony_rfkill_address[nc_type], 1615 &result) < 0) { 1616 rfkill_destroy(rfk); 1617 return -1; 1618 } 1619 swblock = !(result & 0x2); 1620 1621 rfkill_init_sw_state(rfk, swblock); 1622 rfkill_set_hw_state(rfk, hwblock); 1623 1624 err = rfkill_register(rfk); 1625 if (err) { 1626 rfkill_destroy(rfk); 1627 return err; 1628 } 1629 sony_rfkill_devices[nc_type] = rfk; 1630 return err; 1631 } 1632 1633 static void sony_nc_rfkill_update(void) 1634 { 1635 enum sony_nc_rfkill i; 1636 int result; 1637 bool hwblock; 1638 1639 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1640 hwblock = !(result & 0x1); 1641 1642 for (i = 0; i < N_SONY_RFKILL; i++) { 1643 int argument = sony_rfkill_address[i]; 1644 1645 if (!sony_rfkill_devices[i]) 1646 continue; 1647 1648 if (hwblock) { 1649 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1650 /* we already know we're blocked */ 1651 } 1652 continue; 1653 } 1654 1655 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1656 rfkill_set_states(sony_rfkill_devices[i], 1657 !(result & 0x2), false); 1658 } 1659 } 1660 1661 static int sony_nc_rfkill_setup(struct acpi_device *device, 1662 unsigned int handle) 1663 { 1664 u64 offset; 1665 int i; 1666 unsigned char buffer[32] = { 0 }; 1667 1668 offset = sony_find_snc_handle(handle); 1669 sony_rfkill_handle = handle; 1670 1671 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1672 32); 1673 if (i < 0) 1674 return i; 1675 1676 /* The buffer is filled with magic numbers describing the devices 1677 * available, 0xff terminates the enumeration. 1678 * Known codes: 1679 * 0x00 WLAN 1680 * 0x10 BLUETOOTH 1681 * 0x20 WWAN GPRS-EDGE 1682 * 0x21 WWAN HSDPA 1683 * 0x22 WWAN EV-DO 1684 * 0x23 WWAN GPS 1685 * 0x25 Gobi WWAN no GPS 1686 * 0x26 Gobi WWAN + GPS 1687 * 0x28 Gobi WWAN no GPS 1688 * 0x29 Gobi WWAN + GPS 1689 * 0x30 WIMAX 1690 * 0x50 Gobi WWAN no GPS 1691 * 0x51 Gobi WWAN + GPS 1692 * 0x70 no SIM card slot 1693 * 0x71 SIM card slot 1694 */ 1695 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1696 1697 if (buffer[i] == 0xff) 1698 break; 1699 1700 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1701 1702 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1703 sony_nc_setup_rfkill(device, SONY_WIFI); 1704 1705 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1706 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1707 1708 if (((0xf0 & buffer[i]) == 0x20 || 1709 (0xf0 & buffer[i]) == 0x50) && 1710 !sony_rfkill_devices[SONY_WWAN]) 1711 sony_nc_setup_rfkill(device, SONY_WWAN); 1712 1713 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1714 sony_nc_setup_rfkill(device, SONY_WIMAX); 1715 } 1716 return 0; 1717 } 1718 1719 /* Keyboard backlight feature */ 1720 struct kbd_backlight { 1721 unsigned int handle; 1722 unsigned int base; 1723 unsigned int mode; 1724 unsigned int timeout; 1725 struct device_attribute mode_attr; 1726 struct device_attribute timeout_attr; 1727 }; 1728 1729 static struct kbd_backlight *kbdbl_ctl; 1730 1731 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1732 { 1733 int result; 1734 1735 if (value > 1) 1736 return -EINVAL; 1737 1738 if (sony_call_snc_handle(kbdbl_ctl->handle, 1739 (value << 0x10) | (kbdbl_ctl->base), &result)) 1740 return -EIO; 1741 1742 /* Try to turn the light on/off immediately */ 1743 sony_call_snc_handle(kbdbl_ctl->handle, 1744 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); 1745 1746 kbdbl_ctl->mode = value; 1747 1748 return 0; 1749 } 1750 1751 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1752 struct device_attribute *attr, 1753 const char *buffer, size_t count) 1754 { 1755 int ret = 0; 1756 unsigned long value; 1757 1758 if (count > 31) 1759 return -EINVAL; 1760 1761 if (kstrtoul(buffer, 10, &value)) 1762 return -EINVAL; 1763 1764 ret = __sony_nc_kbd_backlight_mode_set(value); 1765 if (ret < 0) 1766 return ret; 1767 1768 return count; 1769 } 1770 1771 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1772 struct device_attribute *attr, char *buffer) 1773 { 1774 ssize_t count = 0; 1775 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1776 return count; 1777 } 1778 1779 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1780 { 1781 int result; 1782 1783 if (value > 3) 1784 return -EINVAL; 1785 1786 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1787 (kbdbl_ctl->base + 0x200), &result)) 1788 return -EIO; 1789 1790 kbdbl_ctl->timeout = value; 1791 1792 return 0; 1793 } 1794 1795 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1796 struct device_attribute *attr, 1797 const char *buffer, size_t count) 1798 { 1799 int ret = 0; 1800 unsigned long value; 1801 1802 if (count > 31) 1803 return -EINVAL; 1804 1805 if (kstrtoul(buffer, 10, &value)) 1806 return -EINVAL; 1807 1808 ret = __sony_nc_kbd_backlight_timeout_set(value); 1809 if (ret < 0) 1810 return ret; 1811 1812 return count; 1813 } 1814 1815 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1816 struct device_attribute *attr, char *buffer) 1817 { 1818 ssize_t count = 0; 1819 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1820 return count; 1821 } 1822 1823 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1824 unsigned int handle) 1825 { 1826 int result; 1827 int ret = 0; 1828 1829 /* verify the kbd backlight presence, these handles are not used for 1830 * keyboard backlight only 1831 */ 1832 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1833 &result); 1834 if (ret) 1835 return ret; 1836 1837 if ((handle == 0x0137 && !(result & 0x02)) || 1838 !(result & 0x01)) { 1839 dprintk("no backlight keyboard found\n"); 1840 return 0; 1841 } 1842 1843 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1844 if (!kbdbl_ctl) 1845 return -ENOMEM; 1846 1847 kbdbl_ctl->handle = handle; 1848 if (handle == 0x0137) 1849 kbdbl_ctl->base = 0x0C00; 1850 else 1851 kbdbl_ctl->base = 0x4000; 1852 1853 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1854 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1855 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1856 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1857 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1858 1859 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1860 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1861 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1862 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1863 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1864 1865 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1866 if (ret) 1867 goto outkzalloc; 1868 1869 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1870 if (ret) 1871 goto outmode; 1872 1873 __sony_nc_kbd_backlight_mode_set(kbd_backlight); 1874 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout); 1875 1876 return 0; 1877 1878 outmode: 1879 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1880 outkzalloc: 1881 kfree(kbdbl_ctl); 1882 kbdbl_ctl = NULL; 1883 return ret; 1884 } 1885 1886 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd) 1887 { 1888 if (kbdbl_ctl) { 1889 int result; 1890 1891 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1892 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1893 1894 /* restore the default hw behaviour */ 1895 sony_call_snc_handle(kbdbl_ctl->handle, 1896 kbdbl_ctl->base | 0x10000, &result); 1897 sony_call_snc_handle(kbdbl_ctl->handle, 1898 kbdbl_ctl->base + 0x200, &result); 1899 1900 kfree(kbdbl_ctl); 1901 kbdbl_ctl = NULL; 1902 } 1903 } 1904 1905 #ifdef CONFIG_PM_SLEEP 1906 static void sony_nc_kbd_backlight_resume(void) 1907 { 1908 int ignore = 0; 1909 1910 if (!kbdbl_ctl) 1911 return; 1912 1913 if (kbdbl_ctl->mode == 0) 1914 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base, 1915 &ignore); 1916 1917 if (kbdbl_ctl->timeout != 0) 1918 sony_call_snc_handle(kbdbl_ctl->handle, 1919 (kbdbl_ctl->base + 0x200) | 1920 (kbdbl_ctl->timeout << 0x10), &ignore); 1921 } 1922 #endif 1923 1924 struct battery_care_control { 1925 struct device_attribute attrs[2]; 1926 unsigned int handle; 1927 }; 1928 static struct battery_care_control *bcare_ctl; 1929 1930 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1931 struct device_attribute *attr, 1932 const char *buffer, size_t count) 1933 { 1934 unsigned int result, cmd; 1935 unsigned long value; 1936 1937 if (count > 31) 1938 return -EINVAL; 1939 1940 if (kstrtoul(buffer, 10, &value)) 1941 return -EINVAL; 1942 1943 /* limit values (2 bits): 1944 * 00 - none 1945 * 01 - 80% 1946 * 10 - 50% 1947 * 11 - 100% 1948 * 1949 * bit 0: 0 disable BCL, 1 enable BCL 1950 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1951 * bits 2,3: reserved 1952 * bits 4,5: store the limit into the EC 1953 * bits 6,7: store the limit into the battery 1954 */ 1955 cmd = 0; 1956 1957 if (value > 0) { 1958 if (value <= 50) 1959 cmd = 0x20; 1960 1961 else if (value <= 80) 1962 cmd = 0x10; 1963 1964 else if (value <= 100) 1965 cmd = 0x30; 1966 1967 else 1968 return -EINVAL; 1969 1970 /* 1971 * handle 0x0115 should allow storing on battery too; 1972 * handle 0x0136 same as 0x0115 + health status; 1973 * handle 0x013f, same as 0x0136 but no storing on the battery 1974 */ 1975 if (bcare_ctl->handle != 0x013f) 1976 cmd = cmd | (cmd << 2); 1977 1978 cmd = (cmd | 0x1) << 0x10; 1979 } 1980 1981 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 1982 return -EIO; 1983 1984 return count; 1985 } 1986 1987 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 1988 struct device_attribute *attr, char *buffer) 1989 { 1990 unsigned int result, status; 1991 1992 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 1993 return -EIO; 1994 1995 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 1996 switch (status) { 1997 case 1: 1998 status = 80; 1999 break; 2000 case 2: 2001 status = 50; 2002 break; 2003 case 3: 2004 status = 100; 2005 break; 2006 default: 2007 status = 0; 2008 break; 2009 } 2010 2011 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2012 } 2013 2014 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2015 struct device_attribute *attr, char *buffer) 2016 { 2017 ssize_t count = 0; 2018 unsigned int health; 2019 2020 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2021 return -EIO; 2022 2023 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2024 2025 return count; 2026 } 2027 2028 static int sony_nc_battery_care_setup(struct platform_device *pd, 2029 unsigned int handle) 2030 { 2031 int ret = 0; 2032 2033 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2034 if (!bcare_ctl) 2035 return -ENOMEM; 2036 2037 bcare_ctl->handle = handle; 2038 2039 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2040 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2041 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2042 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2043 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2044 2045 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2046 if (ret) 2047 goto outkzalloc; 2048 2049 /* 0x0115 is for models with no health reporting capability */ 2050 if (handle == 0x0115) 2051 return 0; 2052 2053 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2054 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2055 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2056 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2057 2058 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2059 if (ret) 2060 goto outlimiter; 2061 2062 return 0; 2063 2064 outlimiter: 2065 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2066 2067 outkzalloc: 2068 kfree(bcare_ctl); 2069 bcare_ctl = NULL; 2070 2071 return ret; 2072 } 2073 2074 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2075 { 2076 if (bcare_ctl) { 2077 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2078 if (bcare_ctl->handle != 0x0115) 2079 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2080 2081 kfree(bcare_ctl); 2082 bcare_ctl = NULL; 2083 } 2084 } 2085 2086 struct snc_thermal_ctrl { 2087 unsigned int mode; 2088 unsigned int profiles; 2089 struct device_attribute mode_attr; 2090 struct device_attribute profiles_attr; 2091 }; 2092 static struct snc_thermal_ctrl *th_handle; 2093 2094 #define THM_PROFILE_MAX 3 2095 static const char * const snc_thermal_profiles[] = { 2096 "balanced", 2097 "silent", 2098 "performance" 2099 }; 2100 2101 static int sony_nc_thermal_mode_set(unsigned short mode) 2102 { 2103 unsigned int result; 2104 2105 /* the thermal profile seems to be a two bit bitmask: 2106 * lsb -> silent 2107 * msb -> performance 2108 * no bit set is the normal operation and is always valid 2109 * Some vaio models only have "balanced" and "performance" 2110 */ 2111 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2112 return -EINVAL; 2113 2114 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2115 return -EIO; 2116 2117 th_handle->mode = mode; 2118 2119 return 0; 2120 } 2121 2122 static int sony_nc_thermal_mode_get(void) 2123 { 2124 unsigned int result; 2125 2126 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2127 return -EIO; 2128 2129 return result & 0xff; 2130 } 2131 2132 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2133 struct device_attribute *attr, char *buffer) 2134 { 2135 short cnt; 2136 size_t idx = 0; 2137 2138 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2139 if (!cnt || (th_handle->profiles & cnt)) 2140 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2141 snc_thermal_profiles[cnt]); 2142 } 2143 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2144 2145 return idx; 2146 } 2147 2148 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2149 struct device_attribute *attr, 2150 const char *buffer, size_t count) 2151 { 2152 unsigned short cmd; 2153 size_t len = count; 2154 2155 if (count == 0) 2156 return -EINVAL; 2157 2158 /* skip the newline if present */ 2159 if (buffer[len - 1] == '\n') 2160 len--; 2161 2162 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2163 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2164 break; 2165 2166 if (sony_nc_thermal_mode_set(cmd)) 2167 return -EIO; 2168 2169 return count; 2170 } 2171 2172 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2173 struct device_attribute *attr, char *buffer) 2174 { 2175 ssize_t count = 0; 2176 int mode = sony_nc_thermal_mode_get(); 2177 2178 if (mode < 0) 2179 return mode; 2180 2181 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2182 2183 return count; 2184 } 2185 2186 static int sony_nc_thermal_setup(struct platform_device *pd) 2187 { 2188 int ret = 0; 2189 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2190 if (!th_handle) 2191 return -ENOMEM; 2192 2193 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2194 if (ret) { 2195 pr_warn("couldn't to read the thermal profiles\n"); 2196 goto outkzalloc; 2197 } 2198 2199 ret = sony_nc_thermal_mode_get(); 2200 if (ret < 0) { 2201 pr_warn("couldn't to read the current thermal profile"); 2202 goto outkzalloc; 2203 } 2204 th_handle->mode = ret; 2205 2206 sysfs_attr_init(&th_handle->profiles_attr.attr); 2207 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2208 th_handle->profiles_attr.attr.mode = S_IRUGO; 2209 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2210 2211 sysfs_attr_init(&th_handle->mode_attr.attr); 2212 th_handle->mode_attr.attr.name = "thermal_control"; 2213 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2214 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2215 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2216 2217 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2218 if (ret) 2219 goto outkzalloc; 2220 2221 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2222 if (ret) 2223 goto outprofiles; 2224 2225 return 0; 2226 2227 outprofiles: 2228 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2229 outkzalloc: 2230 kfree(th_handle); 2231 th_handle = NULL; 2232 return ret; 2233 } 2234 2235 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2236 { 2237 if (th_handle) { 2238 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2239 device_remove_file(&pd->dev, &th_handle->mode_attr); 2240 kfree(th_handle); 2241 th_handle = NULL; 2242 } 2243 } 2244 2245 #ifdef CONFIG_PM_SLEEP 2246 static void sony_nc_thermal_resume(void) 2247 { 2248 unsigned int status = sony_nc_thermal_mode_get(); 2249 2250 if (status != th_handle->mode) 2251 sony_nc_thermal_mode_set(th_handle->mode); 2252 } 2253 #endif 2254 2255 /* resume on LID open */ 2256 struct snc_lid_resume_control { 2257 struct device_attribute attrs[3]; 2258 unsigned int status; 2259 }; 2260 static struct snc_lid_resume_control *lid_ctl; 2261 2262 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2263 struct device_attribute *attr, 2264 const char *buffer, size_t count) 2265 { 2266 unsigned int result, pos; 2267 unsigned long value; 2268 if (count > 31) 2269 return -EINVAL; 2270 2271 if (kstrtoul(buffer, 10, &value) || value > 1) 2272 return -EINVAL; 2273 2274 /* the value we have to write to SNC is a bitmask: 2275 * +--------------+ 2276 * | S3 | S4 | S5 | 2277 * +--------------+ 2278 * 2 1 0 2279 */ 2280 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2281 pos = 2; 2282 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2283 pos = 1; 2284 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2285 pos = 0; 2286 else 2287 return -EINVAL; 2288 2289 if (value) 2290 value = lid_ctl->status | (1 << pos); 2291 else 2292 value = lid_ctl->status & ~(1 << pos); 2293 2294 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) 2295 return -EIO; 2296 2297 lid_ctl->status = value; 2298 2299 return count; 2300 } 2301 2302 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2303 struct device_attribute *attr, char *buffer) 2304 { 2305 unsigned int pos; 2306 2307 if (strcmp(attr->attr.name, "lid_resume_S3") == 0) 2308 pos = 2; 2309 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) 2310 pos = 1; 2311 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) 2312 pos = 0; 2313 else 2314 return -EINVAL; 2315 2316 return snprintf(buffer, PAGE_SIZE, "%d\n", 2317 (lid_ctl->status >> pos) & 0x01); 2318 } 2319 2320 static int sony_nc_lid_resume_setup(struct platform_device *pd) 2321 { 2322 unsigned int result; 2323 int i; 2324 2325 if (sony_call_snc_handle(0x0119, 0x0000, &result)) 2326 return -EIO; 2327 2328 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2329 if (!lid_ctl) 2330 return -ENOMEM; 2331 2332 lid_ctl->status = result & 0x7; 2333 2334 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2335 lid_ctl->attrs[0].attr.name = "lid_resume_S3"; 2336 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2337 lid_ctl->attrs[0].show = sony_nc_lid_resume_show; 2338 lid_ctl->attrs[0].store = sony_nc_lid_resume_store; 2339 2340 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2341 lid_ctl->attrs[1].attr.name = "lid_resume_S4"; 2342 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; 2343 lid_ctl->attrs[1].show = sony_nc_lid_resume_show; 2344 lid_ctl->attrs[1].store = sony_nc_lid_resume_store; 2345 2346 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2347 lid_ctl->attrs[2].attr.name = "lid_resume_S5"; 2348 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; 2349 lid_ctl->attrs[2].show = sony_nc_lid_resume_show; 2350 lid_ctl->attrs[2].store = sony_nc_lid_resume_store; 2351 2352 for (i = 0; i < 3; i++) { 2353 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2354 if (result) 2355 goto liderror; 2356 } 2357 2358 return 0; 2359 2360 liderror: 2361 for (i--; i >= 0; i--) 2362 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2363 2364 kfree(lid_ctl); 2365 lid_ctl = NULL; 2366 2367 return result; 2368 } 2369 2370 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2371 { 2372 int i; 2373 2374 if (lid_ctl) { 2375 for (i = 0; i < 3; i++) 2376 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2377 2378 kfree(lid_ctl); 2379 lid_ctl = NULL; 2380 } 2381 } 2382 2383 /* GFX Switch position */ 2384 enum gfx_switch { 2385 SPEED, 2386 STAMINA, 2387 AUTO 2388 }; 2389 struct snc_gfx_switch_control { 2390 struct device_attribute attr; 2391 unsigned int handle; 2392 }; 2393 static struct snc_gfx_switch_control *gfxs_ctl; 2394 2395 /* returns 0 for speed, 1 for stamina */ 2396 static int __sony_nc_gfx_switch_status_get(void) 2397 { 2398 unsigned int result; 2399 2400 if (sony_call_snc_handle(gfxs_ctl->handle, 2401 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2402 &result)) 2403 return -EIO; 2404 2405 switch (gfxs_ctl->handle) { 2406 case 0x0146: 2407 /* 1: discrete GFX (speed) 2408 * 0: integrated GFX (stamina) 2409 */ 2410 return result & 0x1 ? SPEED : STAMINA; 2411 break; 2412 case 0x015B: 2413 /* 0: discrete GFX (speed) 2414 * 1: integrated GFX (stamina) 2415 */ 2416 return result & 0x1 ? STAMINA : SPEED; 2417 break; 2418 case 0x0128: 2419 /* it's a more elaborated bitmask, for now: 2420 * 2: integrated GFX (stamina) 2421 * 0: discrete GFX (speed) 2422 */ 2423 dprintk("GFX Status: 0x%x\n", result); 2424 return result & 0x80 ? AUTO : 2425 result & 0x02 ? STAMINA : SPEED; 2426 break; 2427 } 2428 return -EINVAL; 2429 } 2430 2431 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2432 struct device_attribute *attr, 2433 char *buffer) 2434 { 2435 int pos = __sony_nc_gfx_switch_status_get(); 2436 2437 if (pos < 0) 2438 return pos; 2439 2440 return snprintf(buffer, PAGE_SIZE, "%s\n", 2441 pos == SPEED ? "speed" : 2442 pos == STAMINA ? "stamina" : 2443 pos == AUTO ? "auto" : "unknown"); 2444 } 2445 2446 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2447 unsigned int handle) 2448 { 2449 unsigned int result; 2450 2451 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2452 if (!gfxs_ctl) 2453 return -ENOMEM; 2454 2455 gfxs_ctl->handle = handle; 2456 2457 sysfs_attr_init(&gfxs_ctl->attr.attr); 2458 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2459 gfxs_ctl->attr.attr.mode = S_IRUGO; 2460 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2461 2462 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2463 if (result) 2464 goto gfxerror; 2465 2466 return 0; 2467 2468 gfxerror: 2469 kfree(gfxs_ctl); 2470 gfxs_ctl = NULL; 2471 2472 return result; 2473 } 2474 2475 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2476 { 2477 if (gfxs_ctl) { 2478 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2479 2480 kfree(gfxs_ctl); 2481 gfxs_ctl = NULL; 2482 } 2483 } 2484 2485 /* High speed charging function */ 2486 static struct device_attribute *hsc_handle; 2487 2488 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2489 struct device_attribute *attr, 2490 const char *buffer, size_t count) 2491 { 2492 unsigned int result; 2493 unsigned long value; 2494 2495 if (count > 31) 2496 return -EINVAL; 2497 2498 if (kstrtoul(buffer, 10, &value) || value > 1) 2499 return -EINVAL; 2500 2501 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2502 return -EIO; 2503 2504 return count; 2505 } 2506 2507 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2508 struct device_attribute *attr, char *buffer) 2509 { 2510 unsigned int result; 2511 2512 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2513 return -EIO; 2514 2515 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2516 } 2517 2518 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2519 { 2520 unsigned int result; 2521 2522 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2523 /* some models advertise the handle but have no implementation 2524 * for it 2525 */ 2526 pr_info("No High Speed Charging capability found\n"); 2527 return 0; 2528 } 2529 2530 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2531 if (!hsc_handle) 2532 return -ENOMEM; 2533 2534 sysfs_attr_init(&hsc_handle->attr); 2535 hsc_handle->attr.name = "battery_highspeed_charging"; 2536 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2537 hsc_handle->show = sony_nc_highspeed_charging_show; 2538 hsc_handle->store = sony_nc_highspeed_charging_store; 2539 2540 result = device_create_file(&pd->dev, hsc_handle); 2541 if (result) { 2542 kfree(hsc_handle); 2543 hsc_handle = NULL; 2544 return result; 2545 } 2546 2547 return 0; 2548 } 2549 2550 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2551 { 2552 if (hsc_handle) { 2553 device_remove_file(&pd->dev, hsc_handle); 2554 kfree(hsc_handle); 2555 hsc_handle = NULL; 2556 } 2557 } 2558 2559 /* Touchpad enable/disable */ 2560 struct touchpad_control { 2561 struct device_attribute attr; 2562 int handle; 2563 }; 2564 static struct touchpad_control *tp_ctl; 2565 2566 static ssize_t sony_nc_touchpad_store(struct device *dev, 2567 struct device_attribute *attr, const char *buffer, size_t count) 2568 { 2569 unsigned int result; 2570 unsigned long value; 2571 2572 if (count > 31) 2573 return -EINVAL; 2574 2575 if (kstrtoul(buffer, 10, &value) || value > 1) 2576 return -EINVAL; 2577 2578 /* sysfs: 0 disabled, 1 enabled 2579 * EC: 0 enabled, 1 disabled 2580 */ 2581 if (sony_call_snc_handle(tp_ctl->handle, 2582 (!value << 0x10) | 0x100, &result)) 2583 return -EIO; 2584 2585 return count; 2586 } 2587 2588 static ssize_t sony_nc_touchpad_show(struct device *dev, 2589 struct device_attribute *attr, char *buffer) 2590 { 2591 unsigned int result; 2592 2593 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2594 return -EINVAL; 2595 2596 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2597 } 2598 2599 static int sony_nc_touchpad_setup(struct platform_device *pd, 2600 unsigned int handle) 2601 { 2602 int ret = 0; 2603 2604 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2605 if (!tp_ctl) 2606 return -ENOMEM; 2607 2608 tp_ctl->handle = handle; 2609 2610 sysfs_attr_init(&tp_ctl->attr.attr); 2611 tp_ctl->attr.attr.name = "touchpad"; 2612 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 2613 tp_ctl->attr.show = sony_nc_touchpad_show; 2614 tp_ctl->attr.store = sony_nc_touchpad_store; 2615 2616 ret = device_create_file(&pd->dev, &tp_ctl->attr); 2617 if (ret) { 2618 kfree(tp_ctl); 2619 tp_ctl = NULL; 2620 } 2621 2622 return ret; 2623 } 2624 2625 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 2626 { 2627 if (tp_ctl) { 2628 device_remove_file(&pd->dev, &tp_ctl->attr); 2629 kfree(tp_ctl); 2630 tp_ctl = NULL; 2631 } 2632 } 2633 2634 static void sony_nc_backlight_ng_read_limits(int handle, 2635 struct sony_backlight_props *props) 2636 { 2637 u64 offset; 2638 int i; 2639 int lvl_table_len = 0; 2640 u8 min = 0xff, max = 0x00; 2641 unsigned char buffer[32] = { 0 }; 2642 2643 props->handle = handle; 2644 props->offset = 0; 2645 props->maxlvl = 0xff; 2646 2647 offset = sony_find_snc_handle(handle); 2648 2649 /* try to read the boundaries from ACPI tables, if we fail the above 2650 * defaults should be reasonable 2651 */ 2652 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 2653 32); 2654 if (i < 0) 2655 return; 2656 2657 switch (handle) { 2658 case 0x012f: 2659 case 0x0137: 2660 lvl_table_len = 9; 2661 break; 2662 case 0x143: 2663 case 0x14b: 2664 case 0x14c: 2665 lvl_table_len = 16; 2666 break; 2667 } 2668 2669 /* the buffer lists brightness levels available, brightness levels are 2670 * from position 0 to 8 in the array, other values are used by ALS 2671 * control. 2672 */ 2673 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 2674 2675 dprintk("Brightness level: %d\n", buffer[i]); 2676 2677 if (!buffer[i]) 2678 break; 2679 2680 if (buffer[i] > max) 2681 max = buffer[i]; 2682 if (buffer[i] < min) 2683 min = buffer[i]; 2684 } 2685 props->offset = min; 2686 props->maxlvl = max; 2687 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 2688 props->maxlvl); 2689 } 2690 2691 static void sony_nc_backlight_setup(void) 2692 { 2693 acpi_handle unused; 2694 int max_brightness = 0; 2695 const struct backlight_ops *ops = NULL; 2696 struct backlight_properties props; 2697 2698 if (sony_find_snc_handle(0x12f) >= 0) { 2699 ops = &sony_backlight_ng_ops; 2700 sony_bl_props.cmd_base = 0x0100; 2701 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 2702 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2703 2704 } else if (sony_find_snc_handle(0x137) >= 0) { 2705 ops = &sony_backlight_ng_ops; 2706 sony_bl_props.cmd_base = 0x0100; 2707 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 2708 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2709 2710 } else if (sony_find_snc_handle(0x143) >= 0) { 2711 ops = &sony_backlight_ng_ops; 2712 sony_bl_props.cmd_base = 0x3000; 2713 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 2714 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2715 2716 } else if (sony_find_snc_handle(0x14b) >= 0) { 2717 ops = &sony_backlight_ng_ops; 2718 sony_bl_props.cmd_base = 0x3000; 2719 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 2720 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2721 2722 } else if (sony_find_snc_handle(0x14c) >= 0) { 2723 ops = &sony_backlight_ng_ops; 2724 sony_bl_props.cmd_base = 0x3000; 2725 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 2726 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 2727 2728 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", 2729 &unused))) { 2730 ops = &sony_backlight_ops; 2731 max_brightness = SONY_MAX_BRIGHTNESS - 1; 2732 2733 } else 2734 return; 2735 2736 memset(&props, 0, sizeof(struct backlight_properties)); 2737 props.type = BACKLIGHT_PLATFORM; 2738 props.max_brightness = max_brightness; 2739 sony_bl_props.dev = backlight_device_register("sony", NULL, 2740 &sony_bl_props, 2741 ops, &props); 2742 2743 if (IS_ERR(sony_bl_props.dev)) { 2744 pr_warn("unable to register backlight device\n"); 2745 sony_bl_props.dev = NULL; 2746 } else 2747 sony_bl_props.dev->props.brightness = 2748 ops->get_brightness(sony_bl_props.dev); 2749 } 2750 2751 static void sony_nc_backlight_cleanup(void) 2752 { 2753 if (sony_bl_props.dev) 2754 backlight_device_unregister(sony_bl_props.dev); 2755 } 2756 2757 static int sony_nc_add(struct acpi_device *device) 2758 { 2759 acpi_status status; 2760 int result = 0; 2761 acpi_handle handle; 2762 struct sony_nc_value *item; 2763 2764 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 2765 2766 sony_nc_acpi_device = device; 2767 strcpy(acpi_device_class(device), "sony/hotkey"); 2768 2769 sony_nc_acpi_handle = device->handle; 2770 2771 /* read device status */ 2772 result = acpi_bus_get_status(device); 2773 /* bail IFF the above call was successful and the device is not present */ 2774 if (!result && !device->status.present) { 2775 dprintk("Device not present\n"); 2776 result = -ENODEV; 2777 goto outwalk; 2778 } 2779 2780 result = sony_pf_add(); 2781 if (result) 2782 goto outpresent; 2783 2784 if (debug) { 2785 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 2786 sony_nc_acpi_handle, 1, sony_walk_callback, 2787 NULL, NULL, NULL); 2788 if (ACPI_FAILURE(status)) { 2789 pr_warn("unable to walk acpi resources\n"); 2790 result = -ENODEV; 2791 goto outpresent; 2792 } 2793 } 2794 2795 result = sony_laptop_setup_input(device); 2796 if (result) { 2797 pr_err("Unable to create input devices\n"); 2798 goto outplatform; 2799 } 2800 2801 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", 2802 &handle))) { 2803 int arg = 1; 2804 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 2805 dprintk("ECON Method failed\n"); 2806 } 2807 2808 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", 2809 &handle))) { 2810 dprintk("Doing SNC setup\n"); 2811 /* retrieve the available handles */ 2812 result = sony_nc_handles_setup(sony_pf_device); 2813 if (!result) 2814 sony_nc_function_setup(device, sony_pf_device); 2815 } 2816 2817 /* setup input devices and helper fifo */ 2818 if (acpi_video_backlight_support()) { 2819 pr_info("brightness ignored, must be controlled by ACPI video driver\n"); 2820 } else { 2821 sony_nc_backlight_setup(); 2822 } 2823 2824 /* create sony_pf sysfs attributes related to the SNC device */ 2825 for (item = sony_nc_values; item->name; ++item) { 2826 2827 if (!debug && item->debug) 2828 continue; 2829 2830 /* find the available acpiget as described in the DSDT */ 2831 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 2832 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 2833 *item->acpiget, 2834 &handle))) { 2835 dprintk("Found %s getter: %s\n", 2836 item->name, *item->acpiget); 2837 item->devattr.attr.mode |= S_IRUGO; 2838 break; 2839 } 2840 } 2841 2842 /* find the available acpiset as described in the DSDT */ 2843 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 2844 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, 2845 *item->acpiset, 2846 &handle))) { 2847 dprintk("Found %s setter: %s\n", 2848 item->name, *item->acpiset); 2849 item->devattr.attr.mode |= S_IWUSR; 2850 break; 2851 } 2852 } 2853 2854 if (item->devattr.attr.mode != 0) { 2855 result = 2856 device_create_file(&sony_pf_device->dev, 2857 &item->devattr); 2858 if (result) 2859 goto out_sysfs; 2860 } 2861 } 2862 2863 return 0; 2864 2865 out_sysfs: 2866 for (item = sony_nc_values; item->name; ++item) { 2867 device_remove_file(&sony_pf_device->dev, &item->devattr); 2868 } 2869 sony_nc_backlight_cleanup(); 2870 sony_nc_function_cleanup(sony_pf_device); 2871 sony_nc_handles_cleanup(sony_pf_device); 2872 2873 outplatform: 2874 sony_laptop_remove_input(); 2875 2876 outpresent: 2877 sony_pf_remove(); 2878 2879 outwalk: 2880 sony_nc_rfkill_cleanup(); 2881 return result; 2882 } 2883 2884 static int sony_nc_remove(struct acpi_device *device) 2885 { 2886 struct sony_nc_value *item; 2887 2888 sony_nc_backlight_cleanup(); 2889 2890 sony_nc_acpi_device = NULL; 2891 2892 for (item = sony_nc_values; item->name; ++item) { 2893 device_remove_file(&sony_pf_device->dev, &item->devattr); 2894 } 2895 2896 sony_nc_function_cleanup(sony_pf_device); 2897 sony_nc_handles_cleanup(sony_pf_device); 2898 sony_pf_remove(); 2899 sony_laptop_remove_input(); 2900 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 2901 2902 return 0; 2903 } 2904 2905 static const struct acpi_device_id sony_device_ids[] = { 2906 {SONY_NC_HID, 0}, 2907 {SONY_PIC_HID, 0}, 2908 {"", 0}, 2909 }; 2910 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 2911 2912 static const struct acpi_device_id sony_nc_device_ids[] = { 2913 {SONY_NC_HID, 0}, 2914 {"", 0}, 2915 }; 2916 2917 static struct acpi_driver sony_nc_driver = { 2918 .name = SONY_NC_DRIVER_NAME, 2919 .class = SONY_NC_CLASS, 2920 .ids = sony_nc_device_ids, 2921 .owner = THIS_MODULE, 2922 .ops = { 2923 .add = sony_nc_add, 2924 .remove = sony_nc_remove, 2925 .notify = sony_nc_notify, 2926 }, 2927 .drv.pm = &sony_nc_pm, 2928 }; 2929 2930 /*********** SPIC (SNY6001) Device ***********/ 2931 2932 #define SONYPI_DEVICE_TYPE1 0x00000001 2933 #define SONYPI_DEVICE_TYPE2 0x00000002 2934 #define SONYPI_DEVICE_TYPE3 0x00000004 2935 2936 #define SONYPI_TYPE1_OFFSET 0x04 2937 #define SONYPI_TYPE2_OFFSET 0x12 2938 #define SONYPI_TYPE3_OFFSET 0x12 2939 2940 struct sony_pic_ioport { 2941 struct acpi_resource_io io1; 2942 struct acpi_resource_io io2; 2943 struct list_head list; 2944 }; 2945 2946 struct sony_pic_irq { 2947 struct acpi_resource_irq irq; 2948 struct list_head list; 2949 }; 2950 2951 struct sonypi_eventtypes { 2952 u8 data; 2953 unsigned long mask; 2954 struct sonypi_event *events; 2955 }; 2956 2957 struct sony_pic_dev { 2958 struct acpi_device *acpi_dev; 2959 struct sony_pic_irq *cur_irq; 2960 struct sony_pic_ioport *cur_ioport; 2961 struct list_head interrupts; 2962 struct list_head ioports; 2963 struct mutex lock; 2964 struct sonypi_eventtypes *event_types; 2965 int (*handle_irq)(const u8, const u8); 2966 int model; 2967 u16 evport_offset; 2968 u8 camera_power; 2969 u8 bluetooth_power; 2970 u8 wwan_power; 2971 }; 2972 2973 static struct sony_pic_dev spic_dev = { 2974 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 2975 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 2976 }; 2977 2978 static int spic_drv_registered; 2979 2980 /* Event masks */ 2981 #define SONYPI_JOGGER_MASK 0x00000001 2982 #define SONYPI_CAPTURE_MASK 0x00000002 2983 #define SONYPI_FNKEY_MASK 0x00000004 2984 #define SONYPI_BLUETOOTH_MASK 0x00000008 2985 #define SONYPI_PKEY_MASK 0x00000010 2986 #define SONYPI_BACK_MASK 0x00000020 2987 #define SONYPI_HELP_MASK 0x00000040 2988 #define SONYPI_LID_MASK 0x00000080 2989 #define SONYPI_ZOOM_MASK 0x00000100 2990 #define SONYPI_THUMBPHRASE_MASK 0x00000200 2991 #define SONYPI_MEYE_MASK 0x00000400 2992 #define SONYPI_MEMORYSTICK_MASK 0x00000800 2993 #define SONYPI_BATTERY_MASK 0x00001000 2994 #define SONYPI_WIRELESS_MASK 0x00002000 2995 2996 struct sonypi_event { 2997 u8 data; 2998 u8 event; 2999 }; 3000 3001 /* The set of possible button release events */ 3002 static struct sonypi_event sonypi_releaseev[] = { 3003 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3004 { 0, 0 } 3005 }; 3006 3007 /* The set of possible jogger events */ 3008 static struct sonypi_event sonypi_joggerev[] = { 3009 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3010 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3011 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3012 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3013 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3014 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3015 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3016 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3017 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3018 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3019 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3020 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3021 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3022 { 0, 0 } 3023 }; 3024 3025 /* The set of possible capture button events */ 3026 static struct sonypi_event sonypi_captureev[] = { 3027 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3028 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3029 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3030 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3031 { 0, 0 } 3032 }; 3033 3034 /* The set of possible fnkeys events */ 3035 static struct sonypi_event sonypi_fnkeyev[] = { 3036 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3037 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3038 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3039 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3040 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3041 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3042 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3043 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3044 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3045 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3046 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3047 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3048 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3049 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3050 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3051 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3052 { 0x31, SONYPI_EVENT_FNKEY_D }, 3053 { 0x32, SONYPI_EVENT_FNKEY_E }, 3054 { 0x33, SONYPI_EVENT_FNKEY_F }, 3055 { 0x34, SONYPI_EVENT_FNKEY_S }, 3056 { 0x35, SONYPI_EVENT_FNKEY_B }, 3057 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3058 { 0, 0 } 3059 }; 3060 3061 /* The set of possible program key events */ 3062 static struct sonypi_event sonypi_pkeyev[] = { 3063 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3064 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3065 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3066 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3067 { 0, 0 } 3068 }; 3069 3070 /* The set of possible bluetooth events */ 3071 static struct sonypi_event sonypi_blueev[] = { 3072 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3073 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3074 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3075 { 0, 0 } 3076 }; 3077 3078 /* The set of possible wireless events */ 3079 static struct sonypi_event sonypi_wlessev[] = { 3080 { 0x59, SONYPI_EVENT_IGNORE }, 3081 { 0x5a, SONYPI_EVENT_IGNORE }, 3082 { 0, 0 } 3083 }; 3084 3085 /* The set of possible back button events */ 3086 static struct sonypi_event sonypi_backev[] = { 3087 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3088 { 0, 0 } 3089 }; 3090 3091 /* The set of possible help button events */ 3092 static struct sonypi_event sonypi_helpev[] = { 3093 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3094 { 0, 0 } 3095 }; 3096 3097 3098 /* The set of possible lid events */ 3099 static struct sonypi_event sonypi_lidev[] = { 3100 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3101 { 0x50, SONYPI_EVENT_LID_OPENED }, 3102 { 0, 0 } 3103 }; 3104 3105 /* The set of possible zoom events */ 3106 static struct sonypi_event sonypi_zoomev[] = { 3107 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3108 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3109 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3110 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3111 { 0, 0 } 3112 }; 3113 3114 /* The set of possible thumbphrase events */ 3115 static struct sonypi_event sonypi_thumbphraseev[] = { 3116 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3117 { 0, 0 } 3118 }; 3119 3120 /* The set of possible motioneye camera events */ 3121 static struct sonypi_event sonypi_meyeev[] = { 3122 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3123 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3124 { 0, 0 } 3125 }; 3126 3127 /* The set of possible memorystick events */ 3128 static struct sonypi_event sonypi_memorystickev[] = { 3129 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3130 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3131 { 0, 0 } 3132 }; 3133 3134 /* The set of possible battery events */ 3135 static struct sonypi_event sonypi_batteryev[] = { 3136 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3137 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3138 { 0, 0 } 3139 }; 3140 3141 /* The set of possible volume events */ 3142 static struct sonypi_event sonypi_volumeev[] = { 3143 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3144 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3145 { 0, 0 } 3146 }; 3147 3148 /* The set of possible brightness events */ 3149 static struct sonypi_event sonypi_brightnessev[] = { 3150 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3151 { 0, 0 } 3152 }; 3153 3154 static struct sonypi_eventtypes type1_events[] = { 3155 { 0, 0xffffffff, sonypi_releaseev }, 3156 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3157 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3158 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3159 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3160 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3161 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3162 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3163 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3164 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3165 { 0 }, 3166 }; 3167 static struct sonypi_eventtypes type2_events[] = { 3168 { 0, 0xffffffff, sonypi_releaseev }, 3169 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3170 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3171 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3172 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3173 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3174 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3175 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3176 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3177 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3178 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3179 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3180 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3181 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3182 { 0 }, 3183 }; 3184 static struct sonypi_eventtypes type3_events[] = { 3185 { 0, 0xffffffff, sonypi_releaseev }, 3186 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3187 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3188 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3189 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3190 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3191 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3192 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3193 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3194 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3195 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3196 { 0 }, 3197 }; 3198 3199 /* low level spic calls */ 3200 #define ITERATIONS_LONG 10000 3201 #define ITERATIONS_SHORT 10 3202 #define wait_on_command(command, iterations) { \ 3203 unsigned int n = iterations; \ 3204 while (--n && (command)) \ 3205 udelay(1); \ 3206 if (!n) \ 3207 dprintk("command failed at %s : %s (line %d)\n", \ 3208 __FILE__, __func__, __LINE__); \ 3209 } 3210 3211 static u8 sony_pic_call1(u8 dev) 3212 { 3213 u8 v1, v2; 3214 3215 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3216 ITERATIONS_LONG); 3217 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3218 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3219 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3220 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3221 return v2; 3222 } 3223 3224 static u8 sony_pic_call2(u8 dev, u8 fn) 3225 { 3226 u8 v1; 3227 3228 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3229 ITERATIONS_LONG); 3230 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3231 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3232 ITERATIONS_LONG); 3233 outb(fn, spic_dev.cur_ioport->io1.minimum); 3234 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3235 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3236 return v1; 3237 } 3238 3239 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3240 { 3241 u8 v1; 3242 3243 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3244 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3245 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3246 outb(fn, spic_dev.cur_ioport->io1.minimum); 3247 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3248 outb(v, spic_dev.cur_ioport->io1.minimum); 3249 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3250 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3251 dev, fn, v, v1); 3252 return v1; 3253 } 3254 3255 /* 3256 * minidrivers for SPIC models 3257 */ 3258 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3259 { 3260 /* 3261 * 0x31 could mean we have to take some extra action and wait for 3262 * the next irq for some Type3 models, it will generate a new 3263 * irq and we can read new data from the device: 3264 * - 0x5c and 0x5f requires 0xA0 3265 * - 0x61 requires 0xB3 3266 */ 3267 if (data_mask == 0x31) { 3268 if (ev == 0x5c || ev == 0x5f) 3269 sony_pic_call1(0xA0); 3270 else if (ev == 0x61) 3271 sony_pic_call1(0xB3); 3272 return 0; 3273 } 3274 return 1; 3275 } 3276 3277 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3278 { 3279 struct pci_dev *pcidev; 3280 3281 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3282 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3283 if (pcidev) { 3284 dev->model = SONYPI_DEVICE_TYPE1; 3285 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3286 dev->event_types = type1_events; 3287 goto out; 3288 } 3289 3290 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3291 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3292 if (pcidev) { 3293 dev->model = SONYPI_DEVICE_TYPE2; 3294 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3295 dev->event_types = type2_events; 3296 goto out; 3297 } 3298 3299 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3300 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3301 if (pcidev) { 3302 dev->model = SONYPI_DEVICE_TYPE3; 3303 dev->handle_irq = type3_handle_irq; 3304 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3305 dev->event_types = type3_events; 3306 goto out; 3307 } 3308 3309 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3310 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3311 if (pcidev) { 3312 dev->model = SONYPI_DEVICE_TYPE3; 3313 dev->handle_irq = type3_handle_irq; 3314 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3315 dev->event_types = type3_events; 3316 goto out; 3317 } 3318 3319 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3320 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3321 if (pcidev) { 3322 dev->model = SONYPI_DEVICE_TYPE3; 3323 dev->handle_irq = type3_handle_irq; 3324 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3325 dev->event_types = type3_events; 3326 goto out; 3327 } 3328 3329 /* default */ 3330 dev->model = SONYPI_DEVICE_TYPE2; 3331 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3332 dev->event_types = type2_events; 3333 3334 out: 3335 if (pcidev) 3336 pci_dev_put(pcidev); 3337 3338 pr_info("detected Type%d model\n", 3339 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3340 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3341 } 3342 3343 /* camera tests and poweron/poweroff */ 3344 #define SONYPI_CAMERA_PICTURE 5 3345 #define SONYPI_CAMERA_CONTROL 0x10 3346 3347 #define SONYPI_CAMERA_BRIGHTNESS 0 3348 #define SONYPI_CAMERA_CONTRAST 1 3349 #define SONYPI_CAMERA_HUE 2 3350 #define SONYPI_CAMERA_COLOR 3 3351 #define SONYPI_CAMERA_SHARPNESS 4 3352 3353 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3354 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3355 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3356 #define SONYPI_CAMERA_MUTE_MASK 0x40 3357 3358 /* the rest don't need a loop until not 0xff */ 3359 #define SONYPI_CAMERA_AGC 6 3360 #define SONYPI_CAMERA_AGC_MASK 0x30 3361 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3362 3363 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3364 #define SONYPI_CAMERA_CONTROL 0x10 3365 3366 #define SONYPI_CAMERA_STATUS 7 3367 #define SONYPI_CAMERA_STATUS_READY 0x2 3368 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3369 3370 #define SONYPI_DIRECTION_BACKWARDS 0x4 3371 3372 #define SONYPI_CAMERA_REVISION 8 3373 #define SONYPI_CAMERA_ROMVERSION 9 3374 3375 static int __sony_pic_camera_ready(void) 3376 { 3377 u8 v; 3378 3379 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3380 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3381 } 3382 3383 static int __sony_pic_camera_off(void) 3384 { 3385 if (!camera) { 3386 pr_warn("camera control not enabled\n"); 3387 return -ENODEV; 3388 } 3389 3390 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3391 SONYPI_CAMERA_MUTE_MASK), 3392 ITERATIONS_SHORT); 3393 3394 if (spic_dev.camera_power) { 3395 sony_pic_call2(0x91, 0); 3396 spic_dev.camera_power = 0; 3397 } 3398 return 0; 3399 } 3400 3401 static int __sony_pic_camera_on(void) 3402 { 3403 int i, j, x; 3404 3405 if (!camera) { 3406 pr_warn("camera control not enabled\n"); 3407 return -ENODEV; 3408 } 3409 3410 if (spic_dev.camera_power) 3411 return 0; 3412 3413 for (j = 5; j > 0; j--) { 3414 3415 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3416 msleep(10); 3417 sony_pic_call1(0x93); 3418 3419 for (i = 400; i > 0; i--) { 3420 if (__sony_pic_camera_ready()) 3421 break; 3422 msleep(10); 3423 } 3424 if (i) 3425 break; 3426 } 3427 3428 if (j == 0) { 3429 pr_warn("failed to power on camera\n"); 3430 return -ENODEV; 3431 } 3432 3433 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3434 0x5a), 3435 ITERATIONS_SHORT); 3436 3437 spic_dev.camera_power = 1; 3438 return 0; 3439 } 3440 3441 /* External camera command (exported to the motion eye v4l driver) */ 3442 int sony_pic_camera_command(int command, u8 value) 3443 { 3444 if (!camera) 3445 return -EIO; 3446 3447 mutex_lock(&spic_dev.lock); 3448 3449 switch (command) { 3450 case SONY_PIC_COMMAND_SETCAMERA: 3451 if (value) 3452 __sony_pic_camera_on(); 3453 else 3454 __sony_pic_camera_off(); 3455 break; 3456 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3457 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3458 ITERATIONS_SHORT); 3459 break; 3460 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3461 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3462 ITERATIONS_SHORT); 3463 break; 3464 case SONY_PIC_COMMAND_SETCAMERAHUE: 3465 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3466 ITERATIONS_SHORT); 3467 break; 3468 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3469 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3470 ITERATIONS_SHORT); 3471 break; 3472 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3473 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3474 ITERATIONS_SHORT); 3475 break; 3476 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3477 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3478 ITERATIONS_SHORT); 3479 break; 3480 case SONY_PIC_COMMAND_SETCAMERAAGC: 3481 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3482 ITERATIONS_SHORT); 3483 break; 3484 default: 3485 pr_err("sony_pic_camera_command invalid: %d\n", command); 3486 break; 3487 } 3488 mutex_unlock(&spic_dev.lock); 3489 return 0; 3490 } 3491 EXPORT_SYMBOL(sony_pic_camera_command); 3492 3493 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3494 static void __sony_pic_set_wwanpower(u8 state) 3495 { 3496 state = !!state; 3497 if (spic_dev.wwan_power == state) 3498 return; 3499 sony_pic_call2(0xB0, state); 3500 sony_pic_call1(0x82); 3501 spic_dev.wwan_power = state; 3502 } 3503 3504 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3505 struct device_attribute *attr, 3506 const char *buffer, size_t count) 3507 { 3508 unsigned long value; 3509 if (count > 31) 3510 return -EINVAL; 3511 3512 if (kstrtoul(buffer, 10, &value)) 3513 return -EINVAL; 3514 3515 mutex_lock(&spic_dev.lock); 3516 __sony_pic_set_wwanpower(value); 3517 mutex_unlock(&spic_dev.lock); 3518 3519 return count; 3520 } 3521 3522 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3523 struct device_attribute *attr, char *buffer) 3524 { 3525 ssize_t count; 3526 mutex_lock(&spic_dev.lock); 3527 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3528 mutex_unlock(&spic_dev.lock); 3529 return count; 3530 } 3531 3532 /* bluetooth subsystem power state */ 3533 static void __sony_pic_set_bluetoothpower(u8 state) 3534 { 3535 state = !!state; 3536 if (spic_dev.bluetooth_power == state) 3537 return; 3538 sony_pic_call2(0x96, state); 3539 sony_pic_call1(0x82); 3540 spic_dev.bluetooth_power = state; 3541 } 3542 3543 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3544 struct device_attribute *attr, 3545 const char *buffer, size_t count) 3546 { 3547 unsigned long value; 3548 if (count > 31) 3549 return -EINVAL; 3550 3551 if (kstrtoul(buffer, 10, &value)) 3552 return -EINVAL; 3553 3554 mutex_lock(&spic_dev.lock); 3555 __sony_pic_set_bluetoothpower(value); 3556 mutex_unlock(&spic_dev.lock); 3557 3558 return count; 3559 } 3560 3561 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3562 struct device_attribute *attr, char *buffer) 3563 { 3564 ssize_t count = 0; 3565 mutex_lock(&spic_dev.lock); 3566 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3567 mutex_unlock(&spic_dev.lock); 3568 return count; 3569 } 3570 3571 /* fan speed */ 3572 /* FAN0 information (reverse engineered from ACPI tables) */ 3573 #define SONY_PIC_FAN0_STATUS 0x93 3574 static int sony_pic_set_fanspeed(unsigned long value) 3575 { 3576 return ec_write(SONY_PIC_FAN0_STATUS, value); 3577 } 3578 3579 static int sony_pic_get_fanspeed(u8 *value) 3580 { 3581 return ec_read(SONY_PIC_FAN0_STATUS, value); 3582 } 3583 3584 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3585 struct device_attribute *attr, 3586 const char *buffer, size_t count) 3587 { 3588 unsigned long value; 3589 if (count > 31) 3590 return -EINVAL; 3591 3592 if (kstrtoul(buffer, 10, &value)) 3593 return -EINVAL; 3594 3595 if (sony_pic_set_fanspeed(value)) 3596 return -EIO; 3597 3598 return count; 3599 } 3600 3601 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3602 struct device_attribute *attr, char *buffer) 3603 { 3604 u8 value = 0; 3605 if (sony_pic_get_fanspeed(&value)) 3606 return -EIO; 3607 3608 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 3609 } 3610 3611 #define SPIC_ATTR(_name, _mode) \ 3612 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3613 _mode, sony_pic_## _name ##_show, \ 3614 sony_pic_## _name ##_store) 3615 3616 static SPIC_ATTR(bluetoothpower, 0644); 3617 static SPIC_ATTR(wwanpower, 0644); 3618 static SPIC_ATTR(fanspeed, 0644); 3619 3620 static struct attribute *spic_attributes[] = { 3621 &spic_attr_bluetoothpower.attr, 3622 &spic_attr_wwanpower.attr, 3623 &spic_attr_fanspeed.attr, 3624 NULL 3625 }; 3626 3627 static struct attribute_group spic_attribute_group = { 3628 .attrs = spic_attributes 3629 }; 3630 3631 /******** SONYPI compatibility **********/ 3632 #ifdef CONFIG_SONYPI_COMPAT 3633 3634 /* battery / brightness / temperature addresses */ 3635 #define SONYPI_BAT_FLAGS 0x81 3636 #define SONYPI_LCD_LIGHT 0x96 3637 #define SONYPI_BAT1_PCTRM 0xa0 3638 #define SONYPI_BAT1_LEFT 0xa2 3639 #define SONYPI_BAT1_MAXRT 0xa4 3640 #define SONYPI_BAT2_PCTRM 0xa8 3641 #define SONYPI_BAT2_LEFT 0xaa 3642 #define SONYPI_BAT2_MAXRT 0xac 3643 #define SONYPI_BAT1_MAXTK 0xb0 3644 #define SONYPI_BAT1_FULL 0xb2 3645 #define SONYPI_BAT2_MAXTK 0xb8 3646 #define SONYPI_BAT2_FULL 0xba 3647 #define SONYPI_TEMP_STATUS 0xC1 3648 3649 struct sonypi_compat_s { 3650 struct fasync_struct *fifo_async; 3651 struct kfifo fifo; 3652 spinlock_t fifo_lock; 3653 wait_queue_head_t fifo_proc_list; 3654 atomic_t open_count; 3655 }; 3656 static struct sonypi_compat_s sonypi_compat = { 3657 .open_count = ATOMIC_INIT(0), 3658 }; 3659 3660 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 3661 { 3662 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 3663 } 3664 3665 static int sonypi_misc_release(struct inode *inode, struct file *file) 3666 { 3667 atomic_dec(&sonypi_compat.open_count); 3668 return 0; 3669 } 3670 3671 static int sonypi_misc_open(struct inode *inode, struct file *file) 3672 { 3673 /* Flush input queue on first open */ 3674 unsigned long flags; 3675 3676 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 3677 3678 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 3679 kfifo_reset(&sonypi_compat.fifo); 3680 3681 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 3682 3683 return 0; 3684 } 3685 3686 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 3687 size_t count, loff_t *pos) 3688 { 3689 ssize_t ret; 3690 unsigned char c; 3691 3692 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 3693 (file->f_flags & O_NONBLOCK)) 3694 return -EAGAIN; 3695 3696 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 3697 kfifo_len(&sonypi_compat.fifo) != 0); 3698 if (ret) 3699 return ret; 3700 3701 while (ret < count && 3702 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 3703 &sonypi_compat.fifo_lock) == sizeof(c))) { 3704 if (put_user(c, buf++)) 3705 return -EFAULT; 3706 ret++; 3707 } 3708 3709 if (ret > 0) { 3710 struct inode *inode = file_inode(file); 3711 inode->i_atime = current_fs_time(inode->i_sb); 3712 } 3713 3714 return ret; 3715 } 3716 3717 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 3718 { 3719 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 3720 if (kfifo_len(&sonypi_compat.fifo)) 3721 return POLLIN | POLLRDNORM; 3722 return 0; 3723 } 3724 3725 static int ec_read16(u8 addr, u16 *value) 3726 { 3727 u8 val_lb, val_hb; 3728 if (ec_read(addr, &val_lb)) 3729 return -1; 3730 if (ec_read(addr + 1, &val_hb)) 3731 return -1; 3732 *value = val_lb | (val_hb << 8); 3733 return 0; 3734 } 3735 3736 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 3737 unsigned long arg) 3738 { 3739 int ret = 0; 3740 void __user *argp = (void __user *)arg; 3741 u8 val8; 3742 u16 val16; 3743 int value; 3744 3745 mutex_lock(&spic_dev.lock); 3746 switch (cmd) { 3747 case SONYPI_IOCGBRT: 3748 if (sony_bl_props.dev == NULL) { 3749 ret = -EIO; 3750 break; 3751 } 3752 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 3753 &value)) { 3754 ret = -EIO; 3755 break; 3756 } 3757 val8 = ((value & 0xff) - 1) << 5; 3758 if (copy_to_user(argp, &val8, sizeof(val8))) 3759 ret = -EFAULT; 3760 break; 3761 case SONYPI_IOCSBRT: 3762 if (sony_bl_props.dev == NULL) { 3763 ret = -EIO; 3764 break; 3765 } 3766 if (copy_from_user(&val8, argp, sizeof(val8))) { 3767 ret = -EFAULT; 3768 break; 3769 } 3770 value = (val8 >> 5) + 1; 3771 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 3772 NULL)) { 3773 ret = -EIO; 3774 break; 3775 } 3776 /* sync the backlight device status */ 3777 sony_bl_props.dev->props.brightness = 3778 sony_backlight_get_brightness(sony_bl_props.dev); 3779 break; 3780 case SONYPI_IOCGBAT1CAP: 3781 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 3782 ret = -EIO; 3783 break; 3784 } 3785 if (copy_to_user(argp, &val16, sizeof(val16))) 3786 ret = -EFAULT; 3787 break; 3788 case SONYPI_IOCGBAT1REM: 3789 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 3790 ret = -EIO; 3791 break; 3792 } 3793 if (copy_to_user(argp, &val16, sizeof(val16))) 3794 ret = -EFAULT; 3795 break; 3796 case SONYPI_IOCGBAT2CAP: 3797 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 3798 ret = -EIO; 3799 break; 3800 } 3801 if (copy_to_user(argp, &val16, sizeof(val16))) 3802 ret = -EFAULT; 3803 break; 3804 case SONYPI_IOCGBAT2REM: 3805 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 3806 ret = -EIO; 3807 break; 3808 } 3809 if (copy_to_user(argp, &val16, sizeof(val16))) 3810 ret = -EFAULT; 3811 break; 3812 case SONYPI_IOCGBATFLAGS: 3813 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 3814 ret = -EIO; 3815 break; 3816 } 3817 val8 &= 0x07; 3818 if (copy_to_user(argp, &val8, sizeof(val8))) 3819 ret = -EFAULT; 3820 break; 3821 case SONYPI_IOCGBLUE: 3822 val8 = spic_dev.bluetooth_power; 3823 if (copy_to_user(argp, &val8, sizeof(val8))) 3824 ret = -EFAULT; 3825 break; 3826 case SONYPI_IOCSBLUE: 3827 if (copy_from_user(&val8, argp, sizeof(val8))) { 3828 ret = -EFAULT; 3829 break; 3830 } 3831 __sony_pic_set_bluetoothpower(val8); 3832 break; 3833 /* FAN Controls */ 3834 case SONYPI_IOCGFAN: 3835 if (sony_pic_get_fanspeed(&val8)) { 3836 ret = -EIO; 3837 break; 3838 } 3839 if (copy_to_user(argp, &val8, sizeof(val8))) 3840 ret = -EFAULT; 3841 break; 3842 case SONYPI_IOCSFAN: 3843 if (copy_from_user(&val8, argp, sizeof(val8))) { 3844 ret = -EFAULT; 3845 break; 3846 } 3847 if (sony_pic_set_fanspeed(val8)) 3848 ret = -EIO; 3849 break; 3850 /* GET Temperature (useful under APM) */ 3851 case SONYPI_IOCGTEMP: 3852 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 3853 ret = -EIO; 3854 break; 3855 } 3856 if (copy_to_user(argp, &val8, sizeof(val8))) 3857 ret = -EFAULT; 3858 break; 3859 default: 3860 ret = -EINVAL; 3861 } 3862 mutex_unlock(&spic_dev.lock); 3863 return ret; 3864 } 3865 3866 static const struct file_operations sonypi_misc_fops = { 3867 .owner = THIS_MODULE, 3868 .read = sonypi_misc_read, 3869 .poll = sonypi_misc_poll, 3870 .open = sonypi_misc_open, 3871 .release = sonypi_misc_release, 3872 .fasync = sonypi_misc_fasync, 3873 .unlocked_ioctl = sonypi_misc_ioctl, 3874 .llseek = noop_llseek, 3875 }; 3876 3877 static struct miscdevice sonypi_misc_device = { 3878 .minor = MISC_DYNAMIC_MINOR, 3879 .name = "sonypi", 3880 .fops = &sonypi_misc_fops, 3881 }; 3882 3883 static void sonypi_compat_report_event(u8 event) 3884 { 3885 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 3886 sizeof(event), &sonypi_compat.fifo_lock); 3887 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 3888 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 3889 } 3890 3891 static int sonypi_compat_init(void) 3892 { 3893 int error; 3894 3895 spin_lock_init(&sonypi_compat.fifo_lock); 3896 error = 3897 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 3898 if (error) { 3899 pr_err("kfifo_alloc failed\n"); 3900 return error; 3901 } 3902 3903 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 3904 3905 if (minor != -1) 3906 sonypi_misc_device.minor = minor; 3907 error = misc_register(&sonypi_misc_device); 3908 if (error) { 3909 pr_err("misc_register failed\n"); 3910 goto err_free_kfifo; 3911 } 3912 if (minor == -1) 3913 pr_info("device allocated minor is %d\n", 3914 sonypi_misc_device.minor); 3915 3916 return 0; 3917 3918 err_free_kfifo: 3919 kfifo_free(&sonypi_compat.fifo); 3920 return error; 3921 } 3922 3923 static void sonypi_compat_exit(void) 3924 { 3925 misc_deregister(&sonypi_misc_device); 3926 kfifo_free(&sonypi_compat.fifo); 3927 } 3928 #else 3929 static int sonypi_compat_init(void) { return 0; } 3930 static void sonypi_compat_exit(void) { } 3931 static void sonypi_compat_report_event(u8 event) { } 3932 #endif /* CONFIG_SONYPI_COMPAT */ 3933 3934 /* 3935 * ACPI callbacks 3936 */ 3937 static acpi_status 3938 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 3939 { 3940 u32 i; 3941 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 3942 3943 switch (resource->type) { 3944 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 3945 { 3946 /* start IO enumeration */ 3947 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 3948 if (!ioport) 3949 return AE_ERROR; 3950 3951 list_add(&ioport->list, &dev->ioports); 3952 return AE_OK; 3953 } 3954 3955 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 3956 /* end IO enumeration */ 3957 return AE_OK; 3958 3959 case ACPI_RESOURCE_TYPE_IRQ: 3960 { 3961 struct acpi_resource_irq *p = &resource->data.irq; 3962 struct sony_pic_irq *interrupt = NULL; 3963 if (!p || !p->interrupt_count) { 3964 /* 3965 * IRQ descriptors may have no IRQ# bits set, 3966 * particularly those those w/ _STA disabled 3967 */ 3968 dprintk("Blank IRQ resource\n"); 3969 return AE_OK; 3970 } 3971 for (i = 0; i < p->interrupt_count; i++) { 3972 if (!p->interrupts[i]) { 3973 pr_warn("Invalid IRQ %d\n", 3974 p->interrupts[i]); 3975 continue; 3976 } 3977 interrupt = kzalloc(sizeof(*interrupt), 3978 GFP_KERNEL); 3979 if (!interrupt) 3980 return AE_ERROR; 3981 3982 list_add(&interrupt->list, &dev->interrupts); 3983 interrupt->irq.triggering = p->triggering; 3984 interrupt->irq.polarity = p->polarity; 3985 interrupt->irq.sharable = p->sharable; 3986 interrupt->irq.interrupt_count = 1; 3987 interrupt->irq.interrupts[0] = p->interrupts[i]; 3988 } 3989 return AE_OK; 3990 } 3991 case ACPI_RESOURCE_TYPE_IO: 3992 { 3993 struct acpi_resource_io *io = &resource->data.io; 3994 struct sony_pic_ioport *ioport = 3995 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 3996 if (!io) { 3997 dprintk("Blank IO resource\n"); 3998 return AE_OK; 3999 } 4000 4001 if (!ioport->io1.minimum) { 4002 memcpy(&ioport->io1, io, sizeof(*io)); 4003 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4004 ioport->io1.address_length); 4005 } 4006 else if (!ioport->io2.minimum) { 4007 memcpy(&ioport->io2, io, sizeof(*io)); 4008 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4009 ioport->io2.address_length); 4010 } 4011 else { 4012 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4013 return AE_ERROR; 4014 } 4015 return AE_OK; 4016 } 4017 default: 4018 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4019 resource->type); 4020 4021 case ACPI_RESOURCE_TYPE_END_TAG: 4022 return AE_OK; 4023 } 4024 return AE_CTRL_TERMINATE; 4025 } 4026 4027 static int sony_pic_possible_resources(struct acpi_device *device) 4028 { 4029 int result = 0; 4030 acpi_status status = AE_OK; 4031 4032 if (!device) 4033 return -EINVAL; 4034 4035 /* get device status */ 4036 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4037 dprintk("Evaluating _STA\n"); 4038 result = acpi_bus_get_status(device); 4039 if (result) { 4040 pr_warn("Unable to read status\n"); 4041 goto end; 4042 } 4043 4044 if (!device->status.enabled) 4045 dprintk("Device disabled\n"); 4046 else 4047 dprintk("Device enabled\n"); 4048 4049 /* 4050 * Query and parse 'method' 4051 */ 4052 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4053 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4054 sony_pic_read_possible_resource, &spic_dev); 4055 if (ACPI_FAILURE(status)) { 4056 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4057 result = -ENODEV; 4058 } 4059 end: 4060 return result; 4061 } 4062 4063 /* 4064 * Disable the spic device by calling its _DIS method 4065 */ 4066 static int sony_pic_disable(struct acpi_device *device) 4067 { 4068 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4069 NULL); 4070 4071 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4072 return -ENXIO; 4073 4074 dprintk("Device disabled\n"); 4075 return 0; 4076 } 4077 4078 4079 /* 4080 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4081 * 4082 * Call _SRS to set current resources 4083 */ 4084 static int sony_pic_enable(struct acpi_device *device, 4085 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4086 { 4087 acpi_status status; 4088 int result = 0; 4089 /* Type 1 resource layout is: 4090 * IO 4091 * IO 4092 * IRQNoFlags 4093 * End 4094 * 4095 * Type 2 and 3 resource layout is: 4096 * IO 4097 * IRQNoFlags 4098 * End 4099 */ 4100 struct { 4101 struct acpi_resource res1; 4102 struct acpi_resource res2; 4103 struct acpi_resource res3; 4104 struct acpi_resource res4; 4105 } *resource; 4106 struct acpi_buffer buffer = { 0, NULL }; 4107 4108 if (!ioport || !irq) 4109 return -EINVAL; 4110 4111 /* init acpi_buffer */ 4112 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4113 if (!resource) 4114 return -ENOMEM; 4115 4116 buffer.length = sizeof(*resource) + 1; 4117 buffer.pointer = resource; 4118 4119 /* setup Type 1 resources */ 4120 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4121 4122 /* setup io resources */ 4123 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4124 resource->res1.length = sizeof(struct acpi_resource); 4125 memcpy(&resource->res1.data.io, &ioport->io1, 4126 sizeof(struct acpi_resource_io)); 4127 4128 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4129 resource->res2.length = sizeof(struct acpi_resource); 4130 memcpy(&resource->res2.data.io, &ioport->io2, 4131 sizeof(struct acpi_resource_io)); 4132 4133 /* setup irq resource */ 4134 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4135 resource->res3.length = sizeof(struct acpi_resource); 4136 memcpy(&resource->res3.data.irq, &irq->irq, 4137 sizeof(struct acpi_resource_irq)); 4138 /* we requested a shared irq */ 4139 resource->res3.data.irq.sharable = ACPI_SHARED; 4140 4141 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4142 resource->res4.length = sizeof(struct acpi_resource); 4143 } 4144 /* setup Type 2/3 resources */ 4145 else { 4146 /* setup io resource */ 4147 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4148 resource->res1.length = sizeof(struct acpi_resource); 4149 memcpy(&resource->res1.data.io, &ioport->io1, 4150 sizeof(struct acpi_resource_io)); 4151 4152 /* setup irq resource */ 4153 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4154 resource->res2.length = sizeof(struct acpi_resource); 4155 memcpy(&resource->res2.data.irq, &irq->irq, 4156 sizeof(struct acpi_resource_irq)); 4157 /* we requested a shared irq */ 4158 resource->res2.data.irq.sharable = ACPI_SHARED; 4159 4160 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4161 resource->res3.length = sizeof(struct acpi_resource); 4162 } 4163 4164 /* Attempt to set the resource */ 4165 dprintk("Evaluating _SRS\n"); 4166 status = acpi_set_current_resources(device->handle, &buffer); 4167 4168 /* check for total failure */ 4169 if (ACPI_FAILURE(status)) { 4170 pr_err("Error evaluating _SRS\n"); 4171 result = -ENODEV; 4172 goto end; 4173 } 4174 4175 /* Necessary device initializations calls (from sonypi) */ 4176 sony_pic_call1(0x82); 4177 sony_pic_call2(0x81, 0xff); 4178 sony_pic_call1(compat ? 0x92 : 0x82); 4179 4180 end: 4181 kfree(resource); 4182 return result; 4183 } 4184 4185 /***************** 4186 * 4187 * ISR: some event is available 4188 * 4189 *****************/ 4190 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4191 { 4192 int i, j; 4193 u8 ev = 0; 4194 u8 data_mask = 0; 4195 u8 device_event = 0; 4196 4197 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4198 4199 ev = inb_p(dev->cur_ioport->io1.minimum); 4200 if (dev->cur_ioport->io2.minimum) 4201 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4202 else 4203 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4204 dev->evport_offset); 4205 4206 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4207 ev, data_mask, dev->cur_ioport->io1.minimum, 4208 dev->evport_offset); 4209 4210 if (ev == 0x00 || ev == 0xff) 4211 return IRQ_HANDLED; 4212 4213 for (i = 0; dev->event_types[i].mask; i++) { 4214 4215 if ((data_mask & dev->event_types[i].data) != 4216 dev->event_types[i].data) 4217 continue; 4218 4219 if (!(mask & dev->event_types[i].mask)) 4220 continue; 4221 4222 for (j = 0; dev->event_types[i].events[j].event; j++) { 4223 if (ev == dev->event_types[i].events[j].data) { 4224 device_event = 4225 dev->event_types[i].events[j].event; 4226 /* some events may require ignoring */ 4227 if (!device_event) 4228 return IRQ_HANDLED; 4229 goto found; 4230 } 4231 } 4232 } 4233 /* Still not able to decode the event try to pass 4234 * it over to the minidriver 4235 */ 4236 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4237 return IRQ_HANDLED; 4238 4239 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4240 ev, data_mask, dev->cur_ioport->io1.minimum, 4241 dev->evport_offset); 4242 return IRQ_HANDLED; 4243 4244 found: 4245 sony_laptop_report_input_event(device_event); 4246 sonypi_compat_report_event(device_event); 4247 return IRQ_HANDLED; 4248 } 4249 4250 /***************** 4251 * 4252 * ACPI driver 4253 * 4254 *****************/ 4255 static int sony_pic_remove(struct acpi_device *device) 4256 { 4257 struct sony_pic_ioport *io, *tmp_io; 4258 struct sony_pic_irq *irq, *tmp_irq; 4259 4260 if (sony_pic_disable(device)) { 4261 pr_err("Couldn't disable device\n"); 4262 return -ENXIO; 4263 } 4264 4265 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4266 release_region(spic_dev.cur_ioport->io1.minimum, 4267 spic_dev.cur_ioport->io1.address_length); 4268 if (spic_dev.cur_ioport->io2.minimum) 4269 release_region(spic_dev.cur_ioport->io2.minimum, 4270 spic_dev.cur_ioport->io2.address_length); 4271 4272 sonypi_compat_exit(); 4273 4274 sony_laptop_remove_input(); 4275 4276 /* pf attrs */ 4277 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4278 sony_pf_remove(); 4279 4280 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4281 list_del(&io->list); 4282 kfree(io); 4283 } 4284 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4285 list_del(&irq->list); 4286 kfree(irq); 4287 } 4288 spic_dev.cur_ioport = NULL; 4289 spic_dev.cur_irq = NULL; 4290 4291 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4292 return 0; 4293 } 4294 4295 static int sony_pic_add(struct acpi_device *device) 4296 { 4297 int result; 4298 struct sony_pic_ioport *io, *tmp_io; 4299 struct sony_pic_irq *irq, *tmp_irq; 4300 4301 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); 4302 4303 spic_dev.acpi_dev = device; 4304 strcpy(acpi_device_class(device), "sony/hotkey"); 4305 sony_pic_detect_device_type(&spic_dev); 4306 mutex_init(&spic_dev.lock); 4307 4308 /* read _PRS resources */ 4309 result = sony_pic_possible_resources(device); 4310 if (result) { 4311 pr_err("Unable to read possible resources\n"); 4312 goto err_free_resources; 4313 } 4314 4315 /* setup input devices and helper fifo */ 4316 result = sony_laptop_setup_input(device); 4317 if (result) { 4318 pr_err("Unable to create input devices\n"); 4319 goto err_free_resources; 4320 } 4321 4322 result = sonypi_compat_init(); 4323 if (result) 4324 goto err_remove_input; 4325 4326 /* request io port */ 4327 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4328 if (request_region(io->io1.minimum, io->io1.address_length, 4329 "Sony Programmable I/O Device")) { 4330 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4331 io->io1.minimum, io->io1.maximum, 4332 io->io1.address_length); 4333 /* Type 1 have 2 ioports */ 4334 if (io->io2.minimum) { 4335 if (request_region(io->io2.minimum, 4336 io->io2.address_length, 4337 "Sony Programmable I/O Device")) { 4338 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4339 io->io2.minimum, io->io2.maximum, 4340 io->io2.address_length); 4341 spic_dev.cur_ioport = io; 4342 break; 4343 } 4344 else { 4345 dprintk("Unable to get I/O port2: " 4346 "0x%.4x (0x%.4x) + 0x%.2x\n", 4347 io->io2.minimum, io->io2.maximum, 4348 io->io2.address_length); 4349 release_region(io->io1.minimum, 4350 io->io1.address_length); 4351 } 4352 } 4353 else { 4354 spic_dev.cur_ioport = io; 4355 break; 4356 } 4357 } 4358 } 4359 if (!spic_dev.cur_ioport) { 4360 pr_err("Failed to request_region\n"); 4361 result = -ENODEV; 4362 goto err_remove_compat; 4363 } 4364 4365 /* request IRQ */ 4366 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4367 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4368 0, "sony-laptop", &spic_dev)) { 4369 dprintk("IRQ: %d - triggering: %d - " 4370 "polarity: %d - shr: %d\n", 4371 irq->irq.interrupts[0], 4372 irq->irq.triggering, 4373 irq->irq.polarity, 4374 irq->irq.sharable); 4375 spic_dev.cur_irq = irq; 4376 break; 4377 } 4378 } 4379 if (!spic_dev.cur_irq) { 4380 pr_err("Failed to request_irq\n"); 4381 result = -ENODEV; 4382 goto err_release_region; 4383 } 4384 4385 /* set resource status _SRS */ 4386 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4387 if (result) { 4388 pr_err("Couldn't enable device\n"); 4389 goto err_free_irq; 4390 } 4391 4392 spic_dev.bluetooth_power = -1; 4393 /* create device attributes */ 4394 result = sony_pf_add(); 4395 if (result) 4396 goto err_disable_device; 4397 4398 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4399 if (result) 4400 goto err_remove_pf; 4401 4402 return 0; 4403 4404 err_remove_pf: 4405 sony_pf_remove(); 4406 4407 err_disable_device: 4408 sony_pic_disable(device); 4409 4410 err_free_irq: 4411 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4412 4413 err_release_region: 4414 release_region(spic_dev.cur_ioport->io1.minimum, 4415 spic_dev.cur_ioport->io1.address_length); 4416 if (spic_dev.cur_ioport->io2.minimum) 4417 release_region(spic_dev.cur_ioport->io2.minimum, 4418 spic_dev.cur_ioport->io2.address_length); 4419 4420 err_remove_compat: 4421 sonypi_compat_exit(); 4422 4423 err_remove_input: 4424 sony_laptop_remove_input(); 4425 4426 err_free_resources: 4427 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4428 list_del(&io->list); 4429 kfree(io); 4430 } 4431 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4432 list_del(&irq->list); 4433 kfree(irq); 4434 } 4435 spic_dev.cur_ioport = NULL; 4436 spic_dev.cur_irq = NULL; 4437 4438 return result; 4439 } 4440 4441 #ifdef CONFIG_PM_SLEEP 4442 static int sony_pic_suspend(struct device *dev) 4443 { 4444 if (sony_pic_disable(to_acpi_device(dev))) 4445 return -ENXIO; 4446 return 0; 4447 } 4448 4449 static int sony_pic_resume(struct device *dev) 4450 { 4451 sony_pic_enable(to_acpi_device(dev), 4452 spic_dev.cur_ioport, spic_dev.cur_irq); 4453 return 0; 4454 } 4455 #endif 4456 4457 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4458 4459 static const struct acpi_device_id sony_pic_device_ids[] = { 4460 {SONY_PIC_HID, 0}, 4461 {"", 0}, 4462 }; 4463 4464 static struct acpi_driver sony_pic_driver = { 4465 .name = SONY_PIC_DRIVER_NAME, 4466 .class = SONY_PIC_CLASS, 4467 .ids = sony_pic_device_ids, 4468 .owner = THIS_MODULE, 4469 .ops = { 4470 .add = sony_pic_add, 4471 .remove = sony_pic_remove, 4472 }, 4473 .drv.pm = &sony_pic_pm, 4474 }; 4475 4476 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4477 { 4478 .ident = "Sony Vaio", 4479 .matches = { 4480 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4481 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4482 }, 4483 }, 4484 { 4485 .ident = "Sony Vaio", 4486 .matches = { 4487 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4488 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4489 }, 4490 }, 4491 { } 4492 }; 4493 4494 static int __init sony_laptop_init(void) 4495 { 4496 int result; 4497 4498 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4499 result = acpi_bus_register_driver(&sony_pic_driver); 4500 if (result) { 4501 pr_err("Unable to register SPIC driver\n"); 4502 goto out; 4503 } 4504 spic_drv_registered = 1; 4505 } 4506 4507 result = acpi_bus_register_driver(&sony_nc_driver); 4508 if (result) { 4509 pr_err("Unable to register SNC driver\n"); 4510 goto out_unregister_pic; 4511 } 4512 4513 return 0; 4514 4515 out_unregister_pic: 4516 if (spic_drv_registered) 4517 acpi_bus_unregister_driver(&sony_pic_driver); 4518 out: 4519 return result; 4520 } 4521 4522 static void __exit sony_laptop_exit(void) 4523 { 4524 acpi_bus_unregister_driver(&sony_nc_driver); 4525 if (spic_drv_registered) 4526 acpi_bus_unregister_driver(&sony_pic_driver); 4527 } 4528 4529 module_init(sony_laptop_init); 4530 module_exit(sony_laptop_exit); 4531