1 /* 2 * ACPI Sony Notebook Control Driver (SNC and SPIC) 3 * 4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 6 * 7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 8 * which are copyrighted by their respective authors. 9 * 10 * The SNY6001 driver part is based on the sonypi driver which includes 11 * material from: 12 * 13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 14 * 15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 16 * 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 18 * 19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 20 * 21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 22 * 23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 24 * 25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 26 * 27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 42 * 43 */ 44 45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 46 47 #include <linux/kernel.h> 48 #include <linux/module.h> 49 #include <linux/moduleparam.h> 50 #include <linux/init.h> 51 #include <linux/types.h> 52 #include <linux/backlight.h> 53 #include <linux/platform_device.h> 54 #include <linux/err.h> 55 #include <linux/dmi.h> 56 #include <linux/pci.h> 57 #include <linux/interrupt.h> 58 #include <linux/delay.h> 59 #include <linux/input.h> 60 #include <linux/kfifo.h> 61 #include <linux/workqueue.h> 62 #include <linux/acpi.h> 63 #include <linux/slab.h> 64 #include <linux/sonypi.h> 65 #include <linux/sony-laptop.h> 66 #include <linux/rfkill.h> 67 #ifdef CONFIG_SONYPI_COMPAT 68 #include <linux/poll.h> 69 #include <linux/miscdevice.h> 70 #endif 71 #include <asm/uaccess.h> 72 #include <acpi/video.h> 73 74 #define dprintk(fmt, ...) \ 75 do { \ 76 if (debug) \ 77 pr_warn(fmt, ##__VA_ARGS__); \ 78 } while (0) 79 80 #define SONY_NC_CLASS "sony-nc" 81 #define SONY_NC_HID "SNY5001" 82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 83 84 #define SONY_PIC_CLASS "sony-pic" 85 #define SONY_PIC_HID "SNY6001" 86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 87 88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 90 MODULE_LICENSE("GPL"); 91 92 static int debug; 93 module_param(debug, int, 0); 94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 95 "the development of this driver"); 96 97 static int no_spic; /* = 0 */ 98 module_param(no_spic, int, 0444); 99 MODULE_PARM_DESC(no_spic, 100 "set this if you don't want to enable the SPIC device"); 101 102 static int compat; /* = 0 */ 103 module_param(compat, int, 0444); 104 MODULE_PARM_DESC(compat, 105 "set this if you want to enable backward compatibility mode"); 106 107 static unsigned long mask = 0xffffffff; 108 module_param(mask, ulong, 0644); 109 MODULE_PARM_DESC(mask, 110 "set this to the mask of event you want to enable (see doc)"); 111 112 static int camera; /* = 0 */ 113 module_param(camera, int, 0444); 114 MODULE_PARM_DESC(camera, 115 "set this to 1 to enable Motion Eye camera controls " 116 "(only use it if you have a C1VE or C1VN model)"); 117 118 #ifdef CONFIG_SONYPI_COMPAT 119 static int minor = -1; 120 module_param(minor, int, 0); 121 MODULE_PARM_DESC(minor, 122 "minor number of the misc device for the SPIC compatibility code, " 123 "default is -1 (automatic)"); 124 #endif 125 126 static int kbd_backlight = -1; 127 module_param(kbd_backlight, int, 0444); 128 MODULE_PARM_DESC(kbd_backlight, 129 "set this to 0 to disable keyboard backlight, " 130 "1 to enable it with automatic control and 2 to have it always " 131 "on (default: no change from current value)"); 132 133 static int kbd_backlight_timeout = -1; 134 module_param(kbd_backlight_timeout, int, 0444); 135 MODULE_PARM_DESC(kbd_backlight_timeout, 136 "meaningful values vary from 0 to 3 and their meaning depends " 137 "on the model (default: no change from current value)"); 138 139 #ifdef CONFIG_PM_SLEEP 140 static void sony_nc_thermal_resume(void); 141 #endif 142 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 143 unsigned int handle); 144 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 145 unsigned int handle); 146 147 static int sony_nc_battery_care_setup(struct platform_device *pd, 148 unsigned int handle); 149 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 150 151 static int sony_nc_thermal_setup(struct platform_device *pd); 152 static void sony_nc_thermal_cleanup(struct platform_device *pd); 153 154 static int sony_nc_lid_resume_setup(struct platform_device *pd, 155 unsigned int handle); 156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 157 158 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 159 unsigned int handle); 160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 161 static int __sony_nc_gfx_switch_status_get(void); 162 163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 165 166 static int sony_nc_lowbatt_setup(struct platform_device *pd); 167 static void sony_nc_lowbatt_cleanup(struct platform_device *pd); 168 169 static int sony_nc_fanspeed_setup(struct platform_device *pd); 170 static void sony_nc_fanspeed_cleanup(struct platform_device *pd); 171 172 static int sony_nc_usb_charge_setup(struct platform_device *pd); 173 static void sony_nc_usb_charge_cleanup(struct platform_device *pd); 174 175 static int sony_nc_panelid_setup(struct platform_device *pd); 176 static void sony_nc_panelid_cleanup(struct platform_device *pd); 177 178 static int sony_nc_smart_conn_setup(struct platform_device *pd); 179 static void sony_nc_smart_conn_cleanup(struct platform_device *pd); 180 181 static int sony_nc_touchpad_setup(struct platform_device *pd, 182 unsigned int handle); 183 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 184 185 enum sony_nc_rfkill { 186 SONY_WIFI, 187 SONY_BLUETOOTH, 188 SONY_WWAN, 189 SONY_WIMAX, 190 N_SONY_RFKILL, 191 }; 192 193 static int sony_rfkill_handle; 194 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 195 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 196 static int sony_nc_rfkill_setup(struct acpi_device *device, 197 unsigned int handle); 198 static void sony_nc_rfkill_cleanup(void); 199 static void sony_nc_rfkill_update(void); 200 201 /*********** Input Devices ***********/ 202 203 #define SONY_LAPTOP_BUF_SIZE 128 204 struct sony_laptop_input_s { 205 atomic_t users; 206 struct input_dev *jog_dev; 207 struct input_dev *key_dev; 208 struct kfifo fifo; 209 spinlock_t fifo_lock; 210 struct timer_list release_key_timer; 211 }; 212 213 static struct sony_laptop_input_s sony_laptop_input = { 214 .users = ATOMIC_INIT(0), 215 }; 216 217 struct sony_laptop_keypress { 218 struct input_dev *dev; 219 int key; 220 }; 221 222 /* Correspondance table between sonypi events 223 * and input layer indexes in the keymap 224 */ 225 static int sony_laptop_input_index[] = { 226 -1, /* 0 no event */ 227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 250 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 251 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 252 19, /* 26 SONYPI_EVENT_FNKEY_D */ 253 20, /* 27 SONYPI_EVENT_FNKEY_E */ 254 21, /* 28 SONYPI_EVENT_FNKEY_F */ 255 22, /* 29 SONYPI_EVENT_FNKEY_S */ 256 23, /* 30 SONYPI_EVENT_FNKEY_B */ 257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 258 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 259 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 260 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 263 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 278 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 292 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 293 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 300 }; 301 302 static int sony_laptop_input_keycode_map[] = { 303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 363 }; 364 365 /* release buttons after a short delay if pressed */ 366 static void do_sony_laptop_release_key(unsigned long unused) 367 { 368 struct sony_laptop_keypress kp; 369 unsigned long flags; 370 371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 372 373 if (kfifo_out(&sony_laptop_input.fifo, 374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 375 input_report_key(kp.dev, kp.key, 0); 376 input_sync(kp.dev); 377 } 378 379 /* If there is something in the fifo schedule next release. */ 380 if (kfifo_len(&sony_laptop_input.fifo) != 0) 381 mod_timer(&sony_laptop_input.release_key_timer, 382 jiffies + msecs_to_jiffies(10)); 383 384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 385 } 386 387 /* forward event to the input subsystem */ 388 static void sony_laptop_report_input_event(u8 event) 389 { 390 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 391 struct input_dev *key_dev = sony_laptop_input.key_dev; 392 struct sony_laptop_keypress kp = { NULL }; 393 int scancode = -1; 394 395 if (event == SONYPI_EVENT_FNKEY_RELEASED || 396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 397 /* Nothing, not all VAIOs generate this event */ 398 return; 399 } 400 401 /* report events */ 402 switch (event) { 403 /* jog_dev events */ 404 case SONYPI_EVENT_JOGDIAL_UP: 405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 406 input_report_rel(jog_dev, REL_WHEEL, 1); 407 input_sync(jog_dev); 408 return; 409 410 case SONYPI_EVENT_JOGDIAL_DOWN: 411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 412 input_report_rel(jog_dev, REL_WHEEL, -1); 413 input_sync(jog_dev); 414 return; 415 416 /* key_dev events */ 417 case SONYPI_EVENT_JOGDIAL_PRESSED: 418 kp.key = BTN_MIDDLE; 419 kp.dev = jog_dev; 420 break; 421 422 default: 423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 425 break; 426 } 427 if ((scancode = sony_laptop_input_index[event]) != -1) { 428 kp.key = sony_laptop_input_keycode_map[scancode]; 429 if (kp.key != KEY_UNKNOWN) 430 kp.dev = key_dev; 431 } 432 break; 433 } 434 435 if (kp.dev) { 436 /* if we have a scancode we emit it so we can always 437 remap the key */ 438 if (scancode != -1) 439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 440 input_report_key(kp.dev, kp.key, 1); 441 input_sync(kp.dev); 442 443 /* schedule key release */ 444 kfifo_in_locked(&sony_laptop_input.fifo, 445 (unsigned char *)&kp, sizeof(kp), 446 &sony_laptop_input.fifo_lock); 447 mod_timer(&sony_laptop_input.release_key_timer, 448 jiffies + msecs_to_jiffies(10)); 449 } else 450 dprintk("unknown input event %.2x\n", event); 451 } 452 453 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 454 { 455 struct input_dev *jog_dev; 456 struct input_dev *key_dev; 457 int i; 458 int error; 459 460 /* don't run again if already initialized */ 461 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 462 return 0; 463 464 /* kfifo */ 465 spin_lock_init(&sony_laptop_input.fifo_lock); 466 error = kfifo_alloc(&sony_laptop_input.fifo, 467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 468 if (error) { 469 pr_err("kfifo_alloc failed\n"); 470 goto err_dec_users; 471 } 472 473 setup_timer(&sony_laptop_input.release_key_timer, 474 do_sony_laptop_release_key, 0); 475 476 /* input keys */ 477 key_dev = input_allocate_device(); 478 if (!key_dev) { 479 error = -ENOMEM; 480 goto err_free_kfifo; 481 } 482 483 key_dev->name = "Sony Vaio Keys"; 484 key_dev->id.bustype = BUS_ISA; 485 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 486 key_dev->dev.parent = &acpi_device->dev; 487 488 /* Initialize the Input Drivers: special keys */ 489 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 490 491 __set_bit(EV_KEY, key_dev->evbit); 492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 494 key_dev->keycode = &sony_laptop_input_keycode_map; 495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 497 __clear_bit(KEY_RESERVED, key_dev->keybit); 498 499 error = input_register_device(key_dev); 500 if (error) 501 goto err_free_keydev; 502 503 sony_laptop_input.key_dev = key_dev; 504 505 /* jogdial */ 506 jog_dev = input_allocate_device(); 507 if (!jog_dev) { 508 error = -ENOMEM; 509 goto err_unregister_keydev; 510 } 511 512 jog_dev->name = "Sony Vaio Jogdial"; 513 jog_dev->id.bustype = BUS_ISA; 514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 515 jog_dev->dev.parent = &acpi_device->dev; 516 517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 518 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 519 520 error = input_register_device(jog_dev); 521 if (error) 522 goto err_free_jogdev; 523 524 sony_laptop_input.jog_dev = jog_dev; 525 526 return 0; 527 528 err_free_jogdev: 529 input_free_device(jog_dev); 530 531 err_unregister_keydev: 532 input_unregister_device(key_dev); 533 /* to avoid kref underflow below at input_free_device */ 534 key_dev = NULL; 535 536 err_free_keydev: 537 input_free_device(key_dev); 538 539 err_free_kfifo: 540 kfifo_free(&sony_laptop_input.fifo); 541 542 err_dec_users: 543 atomic_dec(&sony_laptop_input.users); 544 return error; 545 } 546 547 static void sony_laptop_remove_input(void) 548 { 549 struct sony_laptop_keypress kp = { NULL }; 550 551 /* Cleanup only after the last user has gone */ 552 if (!atomic_dec_and_test(&sony_laptop_input.users)) 553 return; 554 555 del_timer_sync(&sony_laptop_input.release_key_timer); 556 557 /* 558 * Generate key-up events for remaining keys. Note that we don't 559 * need locking since nobody is adding new events to the kfifo. 560 */ 561 while (kfifo_out(&sony_laptop_input.fifo, 562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 563 input_report_key(kp.dev, kp.key, 0); 564 input_sync(kp.dev); 565 } 566 567 /* destroy input devs */ 568 input_unregister_device(sony_laptop_input.key_dev); 569 sony_laptop_input.key_dev = NULL; 570 571 if (sony_laptop_input.jog_dev) { 572 input_unregister_device(sony_laptop_input.jog_dev); 573 sony_laptop_input.jog_dev = NULL; 574 } 575 576 kfifo_free(&sony_laptop_input.fifo); 577 } 578 579 /*********** Platform Device ***********/ 580 581 static atomic_t sony_pf_users = ATOMIC_INIT(0); 582 static struct platform_driver sony_pf_driver = { 583 .driver = { 584 .name = "sony-laptop", 585 } 586 }; 587 static struct platform_device *sony_pf_device; 588 589 static int sony_pf_add(void) 590 { 591 int ret = 0; 592 593 /* don't run again if already initialized */ 594 if (atomic_add_return(1, &sony_pf_users) > 1) 595 return 0; 596 597 ret = platform_driver_register(&sony_pf_driver); 598 if (ret) 599 goto out; 600 601 sony_pf_device = platform_device_alloc("sony-laptop", -1); 602 if (!sony_pf_device) { 603 ret = -ENOMEM; 604 goto out_platform_registered; 605 } 606 607 ret = platform_device_add(sony_pf_device); 608 if (ret) 609 goto out_platform_alloced; 610 611 return 0; 612 613 out_platform_alloced: 614 platform_device_put(sony_pf_device); 615 sony_pf_device = NULL; 616 out_platform_registered: 617 platform_driver_unregister(&sony_pf_driver); 618 out: 619 atomic_dec(&sony_pf_users); 620 return ret; 621 } 622 623 static void sony_pf_remove(void) 624 { 625 /* deregister only after the last user has gone */ 626 if (!atomic_dec_and_test(&sony_pf_users)) 627 return; 628 629 platform_device_unregister(sony_pf_device); 630 platform_driver_unregister(&sony_pf_driver); 631 } 632 633 /*********** SNC (SNY5001) Device ***********/ 634 635 /* the device uses 1-based values, while the backlight subsystem uses 636 0-based values */ 637 #define SONY_MAX_BRIGHTNESS 8 638 639 #define SNC_VALIDATE_IN 0 640 #define SNC_VALIDATE_OUT 1 641 642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 643 char *); 644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 645 const char *, size_t); 646 static int boolean_validate(const int, const int); 647 static int brightness_default_validate(const int, const int); 648 649 struct sony_nc_value { 650 char *name; /* name of the entry */ 651 char **acpiget; /* names of the ACPI get function */ 652 char **acpiset; /* names of the ACPI set function */ 653 int (*validate)(const int, const int); /* input/output validation */ 654 int value; /* current setting */ 655 int valid; /* Has ever been set */ 656 int debug; /* active only in debug mode ? */ 657 struct device_attribute devattr; /* sysfs attribute */ 658 }; 659 660 #define SNC_HANDLE_NAMES(_name, _values...) \ 661 static char *snc_##_name[] = { _values, NULL } 662 663 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 664 { \ 665 .name = __stringify(_name), \ 666 .acpiget = _getters, \ 667 .acpiset = _setters, \ 668 .validate = _validate, \ 669 .debug = _debug, \ 670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 671 } 672 673 #define SNC_HANDLE_NULL { .name = NULL } 674 675 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 676 677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 679 680 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 682 683 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 684 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 685 686 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 687 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 688 689 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 690 691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 693 694 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 695 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 696 697 SNC_HANDLE_NAMES(PID_get, "GPID"); 698 699 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 700 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 701 702 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 703 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 704 705 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 706 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 707 708 static struct sony_nc_value sony_nc_values[] = { 709 SNC_HANDLE(brightness_default, snc_brightness_def_get, 710 snc_brightness_def_set, brightness_default_validate, 0), 711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 714 boolean_validate, 0), 715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 716 boolean_validate, 1), 717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 718 boolean_validate, 0), 719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 720 boolean_validate, 0), 721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 722 boolean_validate, 0), 723 /* unknown methods */ 724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 728 SNC_HANDLE_NULL 729 }; 730 731 static acpi_handle sony_nc_acpi_handle; 732 static struct acpi_device *sony_nc_acpi_device = NULL; 733 734 /* 735 * acpi_evaluate_object wrappers 736 * all useful calls into SNC methods take one or zero parameters and return 737 * integers or arrays. 738 */ 739 static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 740 u64 *value) 741 { 742 union acpi_object *result = NULL; 743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 744 acpi_status status; 745 746 if (value) { 747 struct acpi_object_list params; 748 union acpi_object in; 749 in.type = ACPI_TYPE_INTEGER; 750 in.integer.value = *value; 751 params.count = 1; 752 params.pointer = ∈ 753 status = acpi_evaluate_object(handle, method, ¶ms, &output); 754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 755 (unsigned int)(*value >> 32), 756 (unsigned int)*value & 0xffffffff); 757 } else { 758 status = acpi_evaluate_object(handle, method, NULL, &output); 759 dprintk("__call_snc_method: [%s]\n", method); 760 } 761 762 if (ACPI_FAILURE(status)) { 763 pr_err("Failed to evaluate [%s]\n", method); 764 return NULL; 765 } 766 767 result = (union acpi_object *) output.pointer; 768 if (!result) 769 dprintk("No return object [%s]\n", method); 770 771 return result; 772 } 773 774 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 775 int *result) 776 { 777 union acpi_object *object = NULL; 778 if (value) { 779 u64 v = *value; 780 object = __call_snc_method(handle, name, &v); 781 } else 782 object = __call_snc_method(handle, name, NULL); 783 784 if (!object) 785 return -EINVAL; 786 787 if (object->type != ACPI_TYPE_INTEGER) { 788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 789 ACPI_TYPE_INTEGER, object->type); 790 kfree(object); 791 return -EINVAL; 792 } 793 794 if (result) 795 *result = object->integer.value; 796 797 kfree(object); 798 return 0; 799 } 800 801 #define MIN(a, b) (a > b ? b : a) 802 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 803 void *buffer, size_t buflen) 804 { 805 int ret = 0; 806 size_t len; 807 union acpi_object *object = __call_snc_method(handle, name, value); 808 809 if (!object) 810 return -EINVAL; 811 812 if (object->type == ACPI_TYPE_BUFFER) { 813 len = MIN(buflen, object->buffer.length); 814 memcpy(buffer, object->buffer.pointer, len); 815 816 } else if (object->type == ACPI_TYPE_INTEGER) { 817 len = MIN(buflen, sizeof(object->integer.value)); 818 memcpy(buffer, &object->integer.value, len); 819 820 } else { 821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 822 ACPI_TYPE_BUFFER, object->type); 823 ret = -EINVAL; 824 } 825 826 kfree(object); 827 return ret; 828 } 829 830 struct sony_nc_handles { 831 u16 cap[0x10]; 832 struct device_attribute devattr; 833 }; 834 835 static struct sony_nc_handles *handles; 836 837 static ssize_t sony_nc_handles_show(struct device *dev, 838 struct device_attribute *attr, char *buffer) 839 { 840 ssize_t len = 0; 841 int i; 842 843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 845 handles->cap[i]); 846 } 847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 848 849 return len; 850 } 851 852 static int sony_nc_handles_setup(struct platform_device *pd) 853 { 854 int i, r, result, arg; 855 856 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 857 if (!handles) 858 return -ENOMEM; 859 860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 861 arg = i + 0x20; 862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 863 &result); 864 if (!r) { 865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 866 result, i); 867 handles->cap[i] = result; 868 } 869 } 870 871 if (debug) { 872 sysfs_attr_init(&handles->devattr.attr); 873 handles->devattr.attr.name = "handles"; 874 handles->devattr.attr.mode = S_IRUGO; 875 handles->devattr.show = sony_nc_handles_show; 876 877 /* allow reading capabilities via sysfs */ 878 if (device_create_file(&pd->dev, &handles->devattr)) { 879 kfree(handles); 880 handles = NULL; 881 return -1; 882 } 883 } 884 885 return 0; 886 } 887 888 static int sony_nc_handles_cleanup(struct platform_device *pd) 889 { 890 if (handles) { 891 if (debug) 892 device_remove_file(&pd->dev, &handles->devattr); 893 kfree(handles); 894 handles = NULL; 895 } 896 return 0; 897 } 898 899 static int sony_find_snc_handle(int handle) 900 { 901 int i; 902 903 /* not initialized yet, return early */ 904 if (!handles || !handle) 905 return -EINVAL; 906 907 for (i = 0; i < 0x10; i++) { 908 if (handles->cap[i] == handle) { 909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 910 handle, i); 911 return i; 912 } 913 } 914 dprintk("handle 0x%.4x not found\n", handle); 915 return -EINVAL; 916 } 917 918 static int sony_call_snc_handle(int handle, int argument, int *result) 919 { 920 int arg, ret = 0; 921 int offset = sony_find_snc_handle(handle); 922 923 if (offset < 0) 924 return offset; 925 926 arg = offset | argument; 927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 929 return ret; 930 } 931 932 /* 933 * sony_nc_values input/output validate functions 934 */ 935 936 /* brightness_default_validate: 937 * 938 * manipulate input output values to keep consistency with the 939 * backlight framework for which brightness values are 0-based. 940 */ 941 static int brightness_default_validate(const int direction, const int value) 942 { 943 switch (direction) { 944 case SNC_VALIDATE_OUT: 945 return value - 1; 946 case SNC_VALIDATE_IN: 947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 948 return value + 1; 949 } 950 return -EINVAL; 951 } 952 953 /* boolean_validate: 954 * 955 * on input validate boolean values 0/1, on output just pass the 956 * received value. 957 */ 958 static int boolean_validate(const int direction, const int value) 959 { 960 if (direction == SNC_VALIDATE_IN) { 961 if (value != 0 && value != 1) 962 return -EINVAL; 963 } 964 return value; 965 } 966 967 /* 968 * Sysfs show/store common to all sony_nc_values 969 */ 970 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 971 char *buffer) 972 { 973 int value, ret = 0; 974 struct sony_nc_value *item = 975 container_of(attr, struct sony_nc_value, devattr); 976 977 if (!*item->acpiget) 978 return -EIO; 979 980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 981 &value); 982 if (ret < 0) 983 return -EIO; 984 985 if (item->validate) 986 value = item->validate(SNC_VALIDATE_OUT, value); 987 988 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 989 } 990 991 static ssize_t sony_nc_sysfs_store(struct device *dev, 992 struct device_attribute *attr, 993 const char *buffer, size_t count) 994 { 995 int value; 996 int ret = 0; 997 struct sony_nc_value *item = 998 container_of(attr, struct sony_nc_value, devattr); 999 1000 if (!item->acpiset) 1001 return -EIO; 1002 1003 if (count > 31) 1004 return -EINVAL; 1005 1006 if (kstrtoint(buffer, 10, &value)) 1007 return -EINVAL; 1008 1009 if (item->validate) 1010 value = item->validate(SNC_VALIDATE_IN, value); 1011 1012 if (value < 0) 1013 return value; 1014 1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1016 &value, NULL); 1017 if (ret < 0) 1018 return -EIO; 1019 1020 item->value = value; 1021 item->valid = 1; 1022 return count; 1023 } 1024 1025 1026 /* 1027 * Backlight device 1028 */ 1029 struct sony_backlight_props { 1030 struct backlight_device *dev; 1031 int handle; 1032 int cmd_base; 1033 u8 offset; 1034 u8 maxlvl; 1035 }; 1036 static struct sony_backlight_props sony_bl_props; 1037 1038 static int sony_backlight_update_status(struct backlight_device *bd) 1039 { 1040 int arg = bd->props.brightness + 1; 1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1042 } 1043 1044 static int sony_backlight_get_brightness(struct backlight_device *bd) 1045 { 1046 int value; 1047 1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1049 return 0; 1050 /* brightness levels are 1-based, while backlight ones are 0-based */ 1051 return value - 1; 1052 } 1053 1054 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1055 { 1056 int result; 1057 struct sony_backlight_props *sdev = 1058 (struct sony_backlight_props *)bl_get_data(bd); 1059 1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1061 1062 return (result & 0xff) - sdev->offset; 1063 } 1064 1065 static int sony_nc_update_status_ng(struct backlight_device *bd) 1066 { 1067 int value, result; 1068 struct sony_backlight_props *sdev = 1069 (struct sony_backlight_props *)bl_get_data(bd); 1070 1071 value = bd->props.brightness + sdev->offset; 1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1073 &result)) 1074 return -EIO; 1075 1076 return value; 1077 } 1078 1079 static const struct backlight_ops sony_backlight_ops = { 1080 .options = BL_CORE_SUSPENDRESUME, 1081 .update_status = sony_backlight_update_status, 1082 .get_brightness = sony_backlight_get_brightness, 1083 }; 1084 static const struct backlight_ops sony_backlight_ng_ops = { 1085 .options = BL_CORE_SUSPENDRESUME, 1086 .update_status = sony_nc_update_status_ng, 1087 .get_brightness = sony_nc_get_brightness_ng, 1088 }; 1089 1090 /* 1091 * New SNC-only Vaios event mapping to driver known keys 1092 */ 1093 struct sony_nc_event { 1094 u8 data; 1095 u8 event; 1096 }; 1097 1098 static struct sony_nc_event sony_100_events[] = { 1099 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1101 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1103 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1105 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1107 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1109 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1111 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1113 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1115 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1117 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1119 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1139 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1141 { 0, 0 }, 1142 }; 1143 1144 static struct sony_nc_event sony_127_events[] = { 1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1147 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1149 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1151 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1153 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1155 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1159 { 0, 0 }, 1160 }; 1161 1162 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1163 { 1164 int ret = -EINVAL; 1165 unsigned int result = 0; 1166 struct sony_nc_event *key_event; 1167 1168 if (sony_call_snc_handle(handle, 0x200, &result)) { 1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1170 event); 1171 return -EINVAL; 1172 } 1173 1174 result &= 0xFF; 1175 1176 if (handle == 0x0100) 1177 key_event = sony_100_events; 1178 else 1179 key_event = sony_127_events; 1180 1181 for (; key_event->data; key_event++) { 1182 if (key_event->data == result) { 1183 ret = key_event->event; 1184 break; 1185 } 1186 } 1187 1188 if (!key_event->data) 1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1190 event, result, handle); 1191 1192 return ret; 1193 } 1194 1195 /* 1196 * ACPI callbacks 1197 */ 1198 enum event_types { 1199 HOTKEY = 1, 1200 KILLSWITCH, 1201 GFX_SWITCH 1202 }; 1203 static void sony_nc_notify(struct acpi_device *device, u32 event) 1204 { 1205 u32 real_ev = event; 1206 u8 ev_type = 0; 1207 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1208 1209 if (event >= 0x90) { 1210 unsigned int result = 0; 1211 unsigned int arg = 0; 1212 unsigned int handle = 0; 1213 unsigned int offset = event - 0x90; 1214 1215 if (offset >= ARRAY_SIZE(handles->cap)) { 1216 pr_err("Event 0x%x outside of capabilities list\n", 1217 event); 1218 return; 1219 } 1220 handle = handles->cap[offset]; 1221 1222 /* list of handles known for generating events */ 1223 switch (handle) { 1224 /* hotkey event */ 1225 case 0x0100: 1226 case 0x0127: 1227 ev_type = HOTKEY; 1228 real_ev = sony_nc_hotkeys_decode(event, handle); 1229 1230 if (real_ev > 0) 1231 sony_laptop_report_input_event(real_ev); 1232 else 1233 /* restore the original event for reporting */ 1234 real_ev = event; 1235 1236 break; 1237 1238 /* wlan switch */ 1239 case 0x0124: 1240 case 0x0135: 1241 /* events on this handle are reported when the 1242 * switch changes position or for battery 1243 * events. We'll notify both of them but only 1244 * update the rfkill device status when the 1245 * switch is moved. 1246 */ 1247 ev_type = KILLSWITCH; 1248 sony_call_snc_handle(handle, 0x0100, &result); 1249 real_ev = result & 0x03; 1250 1251 /* hw switch event */ 1252 if (real_ev == 1) 1253 sony_nc_rfkill_update(); 1254 1255 break; 1256 1257 case 0x0128: 1258 case 0x0146: 1259 /* Hybrid GFX switching */ 1260 sony_call_snc_handle(handle, 0x0000, &result); 1261 dprintk("GFX switch event received (reason: %s)\n", 1262 (result == 0x1) ? "switch change" : 1263 (result == 0x2) ? "output switch" : 1264 (result == 0x3) ? "output switch" : 1265 ""); 1266 1267 ev_type = GFX_SWITCH; 1268 real_ev = __sony_nc_gfx_switch_status_get(); 1269 break; 1270 1271 case 0x015B: 1272 /* Hybrid GFX switching SVS151290S */ 1273 ev_type = GFX_SWITCH; 1274 real_ev = __sony_nc_gfx_switch_status_get(); 1275 break; 1276 default: 1277 dprintk("Unknown event 0x%x for handle 0x%x\n", 1278 event, handle); 1279 break; 1280 } 1281 1282 /* clear the event (and the event reason when present) */ 1283 arg = 1 << offset; 1284 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1285 1286 } else { 1287 /* old style event */ 1288 ev_type = HOTKEY; 1289 sony_laptop_report_input_event(real_ev); 1290 } 1291 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1292 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1293 } 1294 1295 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1296 void *context, void **return_value) 1297 { 1298 struct acpi_device_info *info; 1299 1300 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1301 pr_warn("method: name: %4.4s, args %X\n", 1302 (char *)&info->name, info->param_count); 1303 1304 kfree(info); 1305 } 1306 1307 return AE_OK; 1308 } 1309 1310 /* 1311 * ACPI device 1312 */ 1313 static void sony_nc_function_setup(struct acpi_device *device, 1314 struct platform_device *pf_device) 1315 { 1316 unsigned int i, result, bitmask, arg; 1317 1318 if (!handles) 1319 return; 1320 1321 /* setup found handles here */ 1322 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1323 unsigned int handle = handles->cap[i]; 1324 1325 if (!handle) 1326 continue; 1327 1328 dprintk("setting up handle 0x%.4x\n", handle); 1329 1330 switch (handle) { 1331 case 0x0100: 1332 case 0x0101: 1333 case 0x0127: 1334 /* setup hotkeys */ 1335 sony_call_snc_handle(handle, 0, &result); 1336 break; 1337 case 0x0102: 1338 /* setup hotkeys */ 1339 sony_call_snc_handle(handle, 0x100, &result); 1340 break; 1341 case 0x0105: 1342 case 0x0148: 1343 /* touchpad enable/disable */ 1344 result = sony_nc_touchpad_setup(pf_device, handle); 1345 if (result) 1346 pr_err("couldn't set up touchpad control function (%d)\n", 1347 result); 1348 break; 1349 case 0x0115: 1350 case 0x0136: 1351 case 0x013f: 1352 result = sony_nc_battery_care_setup(pf_device, handle); 1353 if (result) 1354 pr_err("couldn't set up battery care function (%d)\n", 1355 result); 1356 break; 1357 case 0x0119: 1358 case 0x015D: 1359 result = sony_nc_lid_resume_setup(pf_device, handle); 1360 if (result) 1361 pr_err("couldn't set up lid resume function (%d)\n", 1362 result); 1363 break; 1364 case 0x0122: 1365 result = sony_nc_thermal_setup(pf_device); 1366 if (result) 1367 pr_err("couldn't set up thermal profile function (%d)\n", 1368 result); 1369 break; 1370 case 0x0128: 1371 case 0x0146: 1372 case 0x015B: 1373 result = sony_nc_gfx_switch_setup(pf_device, handle); 1374 if (result) 1375 pr_err("couldn't set up GFX Switch status (%d)\n", 1376 result); 1377 break; 1378 case 0x0131: 1379 result = sony_nc_highspeed_charging_setup(pf_device); 1380 if (result) 1381 pr_err("couldn't set up high speed charging function (%d)\n", 1382 result); 1383 break; 1384 case 0x0124: 1385 case 0x0135: 1386 result = sony_nc_rfkill_setup(device, handle); 1387 if (result) 1388 pr_err("couldn't set up rfkill support (%d)\n", 1389 result); 1390 break; 1391 case 0x0137: 1392 case 0x0143: 1393 case 0x014b: 1394 case 0x014c: 1395 case 0x0163: 1396 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1397 if (result) 1398 pr_err("couldn't set up keyboard backlight function (%d)\n", 1399 result); 1400 break; 1401 case 0x0121: 1402 result = sony_nc_lowbatt_setup(pf_device); 1403 if (result) 1404 pr_err("couldn't set up low battery function (%d)\n", 1405 result); 1406 break; 1407 case 0x0149: 1408 result = sony_nc_fanspeed_setup(pf_device); 1409 if (result) 1410 pr_err("couldn't set up fan speed function (%d)\n", 1411 result); 1412 break; 1413 case 0x0155: 1414 result = sony_nc_usb_charge_setup(pf_device); 1415 if (result) 1416 pr_err("couldn't set up USB charge support (%d)\n", 1417 result); 1418 break; 1419 case 0x011D: 1420 result = sony_nc_panelid_setup(pf_device); 1421 if (result) 1422 pr_err("couldn't set up panel ID function (%d)\n", 1423 result); 1424 break; 1425 case 0x0168: 1426 result = sony_nc_smart_conn_setup(pf_device); 1427 if (result) 1428 pr_err("couldn't set up smart connect support (%d)\n", 1429 result); 1430 break; 1431 default: 1432 continue; 1433 } 1434 } 1435 1436 /* Enable all events */ 1437 arg = 0x10; 1438 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1439 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1440 &result); 1441 } 1442 1443 static void sony_nc_function_cleanup(struct platform_device *pd) 1444 { 1445 unsigned int i, result, bitmask, handle; 1446 1447 /* get enabled events and disable them */ 1448 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1449 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1450 1451 /* cleanup handles here */ 1452 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1453 1454 handle = handles->cap[i]; 1455 1456 if (!handle) 1457 continue; 1458 1459 switch (handle) { 1460 case 0x0105: 1461 case 0x0148: 1462 sony_nc_touchpad_cleanup(pd); 1463 break; 1464 case 0x0115: 1465 case 0x0136: 1466 case 0x013f: 1467 sony_nc_battery_care_cleanup(pd); 1468 break; 1469 case 0x0119: 1470 case 0x015D: 1471 sony_nc_lid_resume_cleanup(pd); 1472 break; 1473 case 0x0122: 1474 sony_nc_thermal_cleanup(pd); 1475 break; 1476 case 0x0128: 1477 case 0x0146: 1478 case 0x015B: 1479 sony_nc_gfx_switch_cleanup(pd); 1480 break; 1481 case 0x0131: 1482 sony_nc_highspeed_charging_cleanup(pd); 1483 break; 1484 case 0x0124: 1485 case 0x0135: 1486 sony_nc_rfkill_cleanup(); 1487 break; 1488 case 0x0137: 1489 case 0x0143: 1490 case 0x014b: 1491 case 0x014c: 1492 case 0x0163: 1493 sony_nc_kbd_backlight_cleanup(pd, handle); 1494 break; 1495 case 0x0121: 1496 sony_nc_lowbatt_cleanup(pd); 1497 break; 1498 case 0x0149: 1499 sony_nc_fanspeed_cleanup(pd); 1500 break; 1501 case 0x0155: 1502 sony_nc_usb_charge_cleanup(pd); 1503 break; 1504 case 0x011D: 1505 sony_nc_panelid_cleanup(pd); 1506 break; 1507 case 0x0168: 1508 sony_nc_smart_conn_cleanup(pd); 1509 break; 1510 default: 1511 continue; 1512 } 1513 } 1514 1515 /* finally cleanup the handles list */ 1516 sony_nc_handles_cleanup(pd); 1517 } 1518 1519 #ifdef CONFIG_PM_SLEEP 1520 static void sony_nc_function_resume(void) 1521 { 1522 unsigned int i, result, bitmask, arg; 1523 1524 dprintk("Resuming SNC device\n"); 1525 1526 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1527 unsigned int handle = handles->cap[i]; 1528 1529 if (!handle) 1530 continue; 1531 1532 switch (handle) { 1533 case 0x0100: 1534 case 0x0101: 1535 case 0x0127: 1536 /* re-enable hotkeys */ 1537 sony_call_snc_handle(handle, 0, &result); 1538 break; 1539 case 0x0102: 1540 /* re-enable hotkeys */ 1541 sony_call_snc_handle(handle, 0x100, &result); 1542 break; 1543 case 0x0122: 1544 sony_nc_thermal_resume(); 1545 break; 1546 case 0x0124: 1547 case 0x0135: 1548 sony_nc_rfkill_update(); 1549 break; 1550 default: 1551 continue; 1552 } 1553 } 1554 1555 /* Enable all events */ 1556 arg = 0x10; 1557 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1558 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1559 &result); 1560 } 1561 1562 static int sony_nc_resume(struct device *dev) 1563 { 1564 struct sony_nc_value *item; 1565 1566 for (item = sony_nc_values; item->name; item++) { 1567 int ret; 1568 1569 if (!item->valid) 1570 continue; 1571 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1572 &item->value, NULL); 1573 if (ret < 0) { 1574 pr_err("%s: %d\n", __func__, ret); 1575 break; 1576 } 1577 } 1578 1579 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1580 int arg = 1; 1581 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1582 dprintk("ECON Method failed\n"); 1583 } 1584 1585 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1586 sony_nc_function_resume(); 1587 1588 return 0; 1589 } 1590 #endif 1591 1592 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1593 1594 static void sony_nc_rfkill_cleanup(void) 1595 { 1596 int i; 1597 1598 for (i = 0; i < N_SONY_RFKILL; i++) { 1599 if (sony_rfkill_devices[i]) { 1600 rfkill_unregister(sony_rfkill_devices[i]); 1601 rfkill_destroy(sony_rfkill_devices[i]); 1602 } 1603 } 1604 } 1605 1606 static int sony_nc_rfkill_set(void *data, bool blocked) 1607 { 1608 int result; 1609 int argument = sony_rfkill_address[(long) data] + 0x100; 1610 1611 if (!blocked) 1612 argument |= 0x070000; 1613 1614 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1615 } 1616 1617 static const struct rfkill_ops sony_rfkill_ops = { 1618 .set_block = sony_nc_rfkill_set, 1619 }; 1620 1621 static int sony_nc_setup_rfkill(struct acpi_device *device, 1622 enum sony_nc_rfkill nc_type) 1623 { 1624 int err = 0; 1625 struct rfkill *rfk; 1626 enum rfkill_type type; 1627 const char *name; 1628 int result; 1629 bool hwblock, swblock; 1630 1631 switch (nc_type) { 1632 case SONY_WIFI: 1633 type = RFKILL_TYPE_WLAN; 1634 name = "sony-wifi"; 1635 break; 1636 case SONY_BLUETOOTH: 1637 type = RFKILL_TYPE_BLUETOOTH; 1638 name = "sony-bluetooth"; 1639 break; 1640 case SONY_WWAN: 1641 type = RFKILL_TYPE_WWAN; 1642 name = "sony-wwan"; 1643 break; 1644 case SONY_WIMAX: 1645 type = RFKILL_TYPE_WIMAX; 1646 name = "sony-wimax"; 1647 break; 1648 default: 1649 return -EINVAL; 1650 } 1651 1652 rfk = rfkill_alloc(name, &device->dev, type, 1653 &sony_rfkill_ops, (void *)nc_type); 1654 if (!rfk) 1655 return -ENOMEM; 1656 1657 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1658 rfkill_destroy(rfk); 1659 return -1; 1660 } 1661 hwblock = !(result & 0x1); 1662 1663 if (sony_call_snc_handle(sony_rfkill_handle, 1664 sony_rfkill_address[nc_type], 1665 &result) < 0) { 1666 rfkill_destroy(rfk); 1667 return -1; 1668 } 1669 swblock = !(result & 0x2); 1670 1671 rfkill_init_sw_state(rfk, swblock); 1672 rfkill_set_hw_state(rfk, hwblock); 1673 1674 err = rfkill_register(rfk); 1675 if (err) { 1676 rfkill_destroy(rfk); 1677 return err; 1678 } 1679 sony_rfkill_devices[nc_type] = rfk; 1680 return err; 1681 } 1682 1683 static void sony_nc_rfkill_update(void) 1684 { 1685 enum sony_nc_rfkill i; 1686 int result; 1687 bool hwblock; 1688 1689 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1690 hwblock = !(result & 0x1); 1691 1692 for (i = 0; i < N_SONY_RFKILL; i++) { 1693 int argument = sony_rfkill_address[i]; 1694 1695 if (!sony_rfkill_devices[i]) 1696 continue; 1697 1698 if (hwblock) { 1699 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1700 /* we already know we're blocked */ 1701 } 1702 continue; 1703 } 1704 1705 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1706 rfkill_set_states(sony_rfkill_devices[i], 1707 !(result & 0x2), false); 1708 } 1709 } 1710 1711 static int sony_nc_rfkill_setup(struct acpi_device *device, 1712 unsigned int handle) 1713 { 1714 u64 offset; 1715 int i; 1716 unsigned char buffer[32] = { 0 }; 1717 1718 offset = sony_find_snc_handle(handle); 1719 sony_rfkill_handle = handle; 1720 1721 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1722 32); 1723 if (i < 0) 1724 return i; 1725 1726 /* The buffer is filled with magic numbers describing the devices 1727 * available, 0xff terminates the enumeration. 1728 * Known codes: 1729 * 0x00 WLAN 1730 * 0x10 BLUETOOTH 1731 * 0x20 WWAN GPRS-EDGE 1732 * 0x21 WWAN HSDPA 1733 * 0x22 WWAN EV-DO 1734 * 0x23 WWAN GPS 1735 * 0x25 Gobi WWAN no GPS 1736 * 0x26 Gobi WWAN + GPS 1737 * 0x28 Gobi WWAN no GPS 1738 * 0x29 Gobi WWAN + GPS 1739 * 0x30 WIMAX 1740 * 0x50 Gobi WWAN no GPS 1741 * 0x51 Gobi WWAN + GPS 1742 * 0x70 no SIM card slot 1743 * 0x71 SIM card slot 1744 */ 1745 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1746 1747 if (buffer[i] == 0xff) 1748 break; 1749 1750 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1751 1752 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1753 sony_nc_setup_rfkill(device, SONY_WIFI); 1754 1755 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1756 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1757 1758 if (((0xf0 & buffer[i]) == 0x20 || 1759 (0xf0 & buffer[i]) == 0x50) && 1760 !sony_rfkill_devices[SONY_WWAN]) 1761 sony_nc_setup_rfkill(device, SONY_WWAN); 1762 1763 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1764 sony_nc_setup_rfkill(device, SONY_WIMAX); 1765 } 1766 return 0; 1767 } 1768 1769 /* Keyboard backlight feature */ 1770 struct kbd_backlight { 1771 unsigned int handle; 1772 unsigned int base; 1773 unsigned int mode; 1774 unsigned int timeout; 1775 struct device_attribute mode_attr; 1776 struct device_attribute timeout_attr; 1777 }; 1778 1779 static struct kbd_backlight *kbdbl_ctl; 1780 1781 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1782 { 1783 int result; 1784 1785 if (value > 2) 1786 return -EINVAL; 1787 1788 if (sony_call_snc_handle(kbdbl_ctl->handle, 1789 (value << 0x10) | (kbdbl_ctl->base), &result)) 1790 return -EIO; 1791 1792 /* Try to turn the light on/off immediately */ 1793 if (value != 1) 1794 sony_call_snc_handle(kbdbl_ctl->handle, 1795 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1796 &result); 1797 1798 kbdbl_ctl->mode = value; 1799 1800 return 0; 1801 } 1802 1803 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1804 struct device_attribute *attr, 1805 const char *buffer, size_t count) 1806 { 1807 int ret = 0; 1808 unsigned long value; 1809 1810 if (count > 31) 1811 return -EINVAL; 1812 1813 if (kstrtoul(buffer, 10, &value)) 1814 return -EINVAL; 1815 1816 ret = __sony_nc_kbd_backlight_mode_set(value); 1817 if (ret < 0) 1818 return ret; 1819 1820 return count; 1821 } 1822 1823 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1824 struct device_attribute *attr, char *buffer) 1825 { 1826 ssize_t count = 0; 1827 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1828 return count; 1829 } 1830 1831 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1832 { 1833 int result; 1834 1835 if (value > 3) 1836 return -EINVAL; 1837 1838 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1839 (kbdbl_ctl->base + 0x200), &result)) 1840 return -EIO; 1841 1842 kbdbl_ctl->timeout = value; 1843 1844 return 0; 1845 } 1846 1847 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1848 struct device_attribute *attr, 1849 const char *buffer, size_t count) 1850 { 1851 int ret = 0; 1852 unsigned long value; 1853 1854 if (count > 31) 1855 return -EINVAL; 1856 1857 if (kstrtoul(buffer, 10, &value)) 1858 return -EINVAL; 1859 1860 ret = __sony_nc_kbd_backlight_timeout_set(value); 1861 if (ret < 0) 1862 return ret; 1863 1864 return count; 1865 } 1866 1867 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1868 struct device_attribute *attr, char *buffer) 1869 { 1870 ssize_t count = 0; 1871 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1872 return count; 1873 } 1874 1875 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1876 unsigned int handle) 1877 { 1878 int result; 1879 int ret = 0; 1880 1881 if (kbdbl_ctl) { 1882 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1883 handle, kbdbl_ctl->handle); 1884 return -EBUSY; 1885 } 1886 1887 /* verify the kbd backlight presence, these handles are not used for 1888 * keyboard backlight only 1889 */ 1890 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1891 &result); 1892 if (ret) 1893 return ret; 1894 1895 if ((handle == 0x0137 && !(result & 0x02)) || 1896 !(result & 0x01)) { 1897 dprintk("no backlight keyboard found\n"); 1898 return 0; 1899 } 1900 1901 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1902 if (!kbdbl_ctl) 1903 return -ENOMEM; 1904 1905 kbdbl_ctl->mode = kbd_backlight; 1906 kbdbl_ctl->timeout = kbd_backlight_timeout; 1907 kbdbl_ctl->handle = handle; 1908 if (handle == 0x0137) 1909 kbdbl_ctl->base = 0x0C00; 1910 else 1911 kbdbl_ctl->base = 0x4000; 1912 1913 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1914 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1915 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1916 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1917 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1918 1919 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1920 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1921 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1922 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1923 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1924 1925 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1926 if (ret) 1927 goto outkzalloc; 1928 1929 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1930 if (ret) 1931 goto outmode; 1932 1933 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1934 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1935 1936 return 0; 1937 1938 outmode: 1939 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1940 outkzalloc: 1941 kfree(kbdbl_ctl); 1942 kbdbl_ctl = NULL; 1943 return ret; 1944 } 1945 1946 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1947 unsigned int handle) 1948 { 1949 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1951 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1952 kfree(kbdbl_ctl); 1953 kbdbl_ctl = NULL; 1954 } 1955 } 1956 1957 struct battery_care_control { 1958 struct device_attribute attrs[2]; 1959 unsigned int handle; 1960 }; 1961 static struct battery_care_control *bcare_ctl; 1962 1963 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1964 struct device_attribute *attr, 1965 const char *buffer, size_t count) 1966 { 1967 unsigned int result, cmd; 1968 unsigned long value; 1969 1970 if (count > 31) 1971 return -EINVAL; 1972 1973 if (kstrtoul(buffer, 10, &value)) 1974 return -EINVAL; 1975 1976 /* limit values (2 bits): 1977 * 00 - none 1978 * 01 - 80% 1979 * 10 - 50% 1980 * 11 - 100% 1981 * 1982 * bit 0: 0 disable BCL, 1 enable BCL 1983 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1984 * bits 2,3: reserved 1985 * bits 4,5: store the limit into the EC 1986 * bits 6,7: store the limit into the battery 1987 */ 1988 cmd = 0; 1989 1990 if (value > 0) { 1991 if (value <= 50) 1992 cmd = 0x20; 1993 1994 else if (value <= 80) 1995 cmd = 0x10; 1996 1997 else if (value <= 100) 1998 cmd = 0x30; 1999 2000 else 2001 return -EINVAL; 2002 2003 /* 2004 * handle 0x0115 should allow storing on battery too; 2005 * handle 0x0136 same as 0x0115 + health status; 2006 * handle 0x013f, same as 0x0136 but no storing on the battery 2007 */ 2008 if (bcare_ctl->handle != 0x013f) 2009 cmd = cmd | (cmd << 2); 2010 2011 cmd = (cmd | 0x1) << 0x10; 2012 } 2013 2014 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2015 return -EIO; 2016 2017 return count; 2018 } 2019 2020 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2021 struct device_attribute *attr, char *buffer) 2022 { 2023 unsigned int result, status; 2024 2025 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2026 return -EIO; 2027 2028 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2029 switch (status) { 2030 case 1: 2031 status = 80; 2032 break; 2033 case 2: 2034 status = 50; 2035 break; 2036 case 3: 2037 status = 100; 2038 break; 2039 default: 2040 status = 0; 2041 break; 2042 } 2043 2044 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2045 } 2046 2047 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2048 struct device_attribute *attr, char *buffer) 2049 { 2050 ssize_t count = 0; 2051 unsigned int health; 2052 2053 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2054 return -EIO; 2055 2056 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2057 2058 return count; 2059 } 2060 2061 static int sony_nc_battery_care_setup(struct platform_device *pd, 2062 unsigned int handle) 2063 { 2064 int ret = 0; 2065 2066 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2067 if (!bcare_ctl) 2068 return -ENOMEM; 2069 2070 bcare_ctl->handle = handle; 2071 2072 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2073 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2074 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2075 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2076 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2077 2078 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2079 if (ret) 2080 goto outkzalloc; 2081 2082 /* 0x0115 is for models with no health reporting capability */ 2083 if (handle == 0x0115) 2084 return 0; 2085 2086 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2087 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2088 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2089 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2090 2091 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2092 if (ret) 2093 goto outlimiter; 2094 2095 return 0; 2096 2097 outlimiter: 2098 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2099 2100 outkzalloc: 2101 kfree(bcare_ctl); 2102 bcare_ctl = NULL; 2103 2104 return ret; 2105 } 2106 2107 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2108 { 2109 if (bcare_ctl) { 2110 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2111 if (bcare_ctl->handle != 0x0115) 2112 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2113 2114 kfree(bcare_ctl); 2115 bcare_ctl = NULL; 2116 } 2117 } 2118 2119 struct snc_thermal_ctrl { 2120 unsigned int mode; 2121 unsigned int profiles; 2122 struct device_attribute mode_attr; 2123 struct device_attribute profiles_attr; 2124 }; 2125 static struct snc_thermal_ctrl *th_handle; 2126 2127 #define THM_PROFILE_MAX 3 2128 static const char * const snc_thermal_profiles[] = { 2129 "balanced", 2130 "silent", 2131 "performance" 2132 }; 2133 2134 static int sony_nc_thermal_mode_set(unsigned short mode) 2135 { 2136 unsigned int result; 2137 2138 /* the thermal profile seems to be a two bit bitmask: 2139 * lsb -> silent 2140 * msb -> performance 2141 * no bit set is the normal operation and is always valid 2142 * Some vaio models only have "balanced" and "performance" 2143 */ 2144 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2145 return -EINVAL; 2146 2147 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2148 return -EIO; 2149 2150 th_handle->mode = mode; 2151 2152 return 0; 2153 } 2154 2155 static int sony_nc_thermal_mode_get(void) 2156 { 2157 unsigned int result; 2158 2159 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2160 return -EIO; 2161 2162 return result & 0xff; 2163 } 2164 2165 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2166 struct device_attribute *attr, char *buffer) 2167 { 2168 short cnt; 2169 size_t idx = 0; 2170 2171 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2172 if (!cnt || (th_handle->profiles & cnt)) 2173 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2174 snc_thermal_profiles[cnt]); 2175 } 2176 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2177 2178 return idx; 2179 } 2180 2181 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2182 struct device_attribute *attr, 2183 const char *buffer, size_t count) 2184 { 2185 unsigned short cmd; 2186 size_t len = count; 2187 2188 if (count == 0) 2189 return -EINVAL; 2190 2191 /* skip the newline if present */ 2192 if (buffer[len - 1] == '\n') 2193 len--; 2194 2195 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2196 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2197 break; 2198 2199 if (sony_nc_thermal_mode_set(cmd)) 2200 return -EIO; 2201 2202 return count; 2203 } 2204 2205 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2206 struct device_attribute *attr, char *buffer) 2207 { 2208 ssize_t count = 0; 2209 int mode = sony_nc_thermal_mode_get(); 2210 2211 if (mode < 0) 2212 return mode; 2213 2214 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2215 2216 return count; 2217 } 2218 2219 static int sony_nc_thermal_setup(struct platform_device *pd) 2220 { 2221 int ret = 0; 2222 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2223 if (!th_handle) 2224 return -ENOMEM; 2225 2226 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2227 if (ret) { 2228 pr_warn("couldn't to read the thermal profiles\n"); 2229 goto outkzalloc; 2230 } 2231 2232 ret = sony_nc_thermal_mode_get(); 2233 if (ret < 0) { 2234 pr_warn("couldn't to read the current thermal profile"); 2235 goto outkzalloc; 2236 } 2237 th_handle->mode = ret; 2238 2239 sysfs_attr_init(&th_handle->profiles_attr.attr); 2240 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2241 th_handle->profiles_attr.attr.mode = S_IRUGO; 2242 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2243 2244 sysfs_attr_init(&th_handle->mode_attr.attr); 2245 th_handle->mode_attr.attr.name = "thermal_control"; 2246 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2247 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2248 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2249 2250 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2251 if (ret) 2252 goto outkzalloc; 2253 2254 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2255 if (ret) 2256 goto outprofiles; 2257 2258 return 0; 2259 2260 outprofiles: 2261 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2262 outkzalloc: 2263 kfree(th_handle); 2264 th_handle = NULL; 2265 return ret; 2266 } 2267 2268 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2269 { 2270 if (th_handle) { 2271 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2272 device_remove_file(&pd->dev, &th_handle->mode_attr); 2273 kfree(th_handle); 2274 th_handle = NULL; 2275 } 2276 } 2277 2278 #ifdef CONFIG_PM_SLEEP 2279 static void sony_nc_thermal_resume(void) 2280 { 2281 unsigned int status = sony_nc_thermal_mode_get(); 2282 2283 if (status != th_handle->mode) 2284 sony_nc_thermal_mode_set(th_handle->mode); 2285 } 2286 #endif 2287 2288 /* resume on LID open */ 2289 #define LID_RESUME_S5 0 2290 #define LID_RESUME_S4 1 2291 #define LID_RESUME_S3 2 2292 #define LID_RESUME_MAX 3 2293 struct snc_lid_resume_control { 2294 struct device_attribute attrs[LID_RESUME_MAX]; 2295 unsigned int status; 2296 int handle; 2297 }; 2298 static struct snc_lid_resume_control *lid_ctl; 2299 2300 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2301 struct device_attribute *attr, 2302 const char *buffer, size_t count) 2303 { 2304 unsigned int result; 2305 unsigned long value; 2306 unsigned int pos = LID_RESUME_S5; 2307 if (count > 31) 2308 return -EINVAL; 2309 2310 if (kstrtoul(buffer, 10, &value) || value > 1) 2311 return -EINVAL; 2312 2313 /* the value we have to write to SNC is a bitmask: 2314 * +--------------+ 2315 * | S3 | S4 | S5 | 2316 * +--------------+ 2317 * 2 1 0 2318 */ 2319 while (pos < LID_RESUME_MAX) { 2320 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2321 break; 2322 pos++; 2323 } 2324 if (pos == LID_RESUME_MAX) 2325 return -EINVAL; 2326 2327 if (value) 2328 value = lid_ctl->status | (1 << pos); 2329 else 2330 value = lid_ctl->status & ~(1 << pos); 2331 2332 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2333 &result)) 2334 return -EIO; 2335 2336 lid_ctl->status = value; 2337 2338 return count; 2339 } 2340 2341 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2342 struct device_attribute *attr, 2343 char *buffer) 2344 { 2345 unsigned int pos = LID_RESUME_S5; 2346 2347 while (pos < LID_RESUME_MAX) { 2348 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2349 return snprintf(buffer, PAGE_SIZE, "%d\n", 2350 (lid_ctl->status >> pos) & 0x01); 2351 pos++; 2352 } 2353 return -EINVAL; 2354 } 2355 2356 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2357 unsigned int handle) 2358 { 2359 unsigned int result; 2360 int i; 2361 2362 if (sony_call_snc_handle(handle, 0x0000, &result)) 2363 return -EIO; 2364 2365 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2366 if (!lid_ctl) 2367 return -ENOMEM; 2368 2369 lid_ctl->status = result & 0x7; 2370 lid_ctl->handle = handle; 2371 2372 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2373 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2374 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2375 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2376 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2377 2378 if (handle == 0x0119) { 2379 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2380 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2381 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2382 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2383 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2384 2385 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2386 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2387 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2388 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2389 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2390 } 2391 for (i = 0; i < LID_RESUME_MAX && 2392 lid_ctl->attrs[i].attr.name; i++) { 2393 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2394 if (result) 2395 goto liderror; 2396 } 2397 2398 return 0; 2399 2400 liderror: 2401 for (i--; i >= 0; i--) 2402 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2403 2404 kfree(lid_ctl); 2405 lid_ctl = NULL; 2406 2407 return result; 2408 } 2409 2410 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2411 { 2412 int i; 2413 2414 if (lid_ctl) { 2415 for (i = 0; i < LID_RESUME_MAX; i++) { 2416 if (!lid_ctl->attrs[i].attr.name) 2417 break; 2418 2419 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2420 } 2421 2422 kfree(lid_ctl); 2423 lid_ctl = NULL; 2424 } 2425 } 2426 2427 /* GFX Switch position */ 2428 enum gfx_switch { 2429 SPEED, 2430 STAMINA, 2431 AUTO 2432 }; 2433 struct snc_gfx_switch_control { 2434 struct device_attribute attr; 2435 unsigned int handle; 2436 }; 2437 static struct snc_gfx_switch_control *gfxs_ctl; 2438 2439 /* returns 0 for speed, 1 for stamina */ 2440 static int __sony_nc_gfx_switch_status_get(void) 2441 { 2442 unsigned int result; 2443 2444 if (sony_call_snc_handle(gfxs_ctl->handle, 2445 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2446 &result)) 2447 return -EIO; 2448 2449 switch (gfxs_ctl->handle) { 2450 case 0x0146: 2451 /* 1: discrete GFX (speed) 2452 * 0: integrated GFX (stamina) 2453 */ 2454 return result & 0x1 ? SPEED : STAMINA; 2455 break; 2456 case 0x015B: 2457 /* 0: discrete GFX (speed) 2458 * 1: integrated GFX (stamina) 2459 */ 2460 return result & 0x1 ? STAMINA : SPEED; 2461 break; 2462 case 0x0128: 2463 /* it's a more elaborated bitmask, for now: 2464 * 2: integrated GFX (stamina) 2465 * 0: discrete GFX (speed) 2466 */ 2467 dprintk("GFX Status: 0x%x\n", result); 2468 return result & 0x80 ? AUTO : 2469 result & 0x02 ? STAMINA : SPEED; 2470 break; 2471 } 2472 return -EINVAL; 2473 } 2474 2475 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2476 struct device_attribute *attr, 2477 char *buffer) 2478 { 2479 int pos = __sony_nc_gfx_switch_status_get(); 2480 2481 if (pos < 0) 2482 return pos; 2483 2484 return snprintf(buffer, PAGE_SIZE, "%s\n", 2485 pos == SPEED ? "speed" : 2486 pos == STAMINA ? "stamina" : 2487 pos == AUTO ? "auto" : "unknown"); 2488 } 2489 2490 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2491 unsigned int handle) 2492 { 2493 unsigned int result; 2494 2495 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2496 if (!gfxs_ctl) 2497 return -ENOMEM; 2498 2499 gfxs_ctl->handle = handle; 2500 2501 sysfs_attr_init(&gfxs_ctl->attr.attr); 2502 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2503 gfxs_ctl->attr.attr.mode = S_IRUGO; 2504 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2505 2506 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2507 if (result) 2508 goto gfxerror; 2509 2510 return 0; 2511 2512 gfxerror: 2513 kfree(gfxs_ctl); 2514 gfxs_ctl = NULL; 2515 2516 return result; 2517 } 2518 2519 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2520 { 2521 if (gfxs_ctl) { 2522 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2523 2524 kfree(gfxs_ctl); 2525 gfxs_ctl = NULL; 2526 } 2527 } 2528 2529 /* High speed charging function */ 2530 static struct device_attribute *hsc_handle; 2531 2532 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2533 struct device_attribute *attr, 2534 const char *buffer, size_t count) 2535 { 2536 unsigned int result; 2537 unsigned long value; 2538 2539 if (count > 31) 2540 return -EINVAL; 2541 2542 if (kstrtoul(buffer, 10, &value) || value > 1) 2543 return -EINVAL; 2544 2545 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2546 return -EIO; 2547 2548 return count; 2549 } 2550 2551 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2552 struct device_attribute *attr, char *buffer) 2553 { 2554 unsigned int result; 2555 2556 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2557 return -EIO; 2558 2559 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2560 } 2561 2562 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2563 { 2564 unsigned int result; 2565 2566 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2567 /* some models advertise the handle but have no implementation 2568 * for it 2569 */ 2570 pr_info("No High Speed Charging capability found\n"); 2571 return 0; 2572 } 2573 2574 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2575 if (!hsc_handle) 2576 return -ENOMEM; 2577 2578 sysfs_attr_init(&hsc_handle->attr); 2579 hsc_handle->attr.name = "battery_highspeed_charging"; 2580 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2581 hsc_handle->show = sony_nc_highspeed_charging_show; 2582 hsc_handle->store = sony_nc_highspeed_charging_store; 2583 2584 result = device_create_file(&pd->dev, hsc_handle); 2585 if (result) { 2586 kfree(hsc_handle); 2587 hsc_handle = NULL; 2588 return result; 2589 } 2590 2591 return 0; 2592 } 2593 2594 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2595 { 2596 if (hsc_handle) { 2597 device_remove_file(&pd->dev, hsc_handle); 2598 kfree(hsc_handle); 2599 hsc_handle = NULL; 2600 } 2601 } 2602 2603 /* low battery function */ 2604 static struct device_attribute *lowbatt_handle; 2605 2606 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2607 struct device_attribute *attr, 2608 const char *buffer, size_t count) 2609 { 2610 unsigned int result; 2611 unsigned long value; 2612 2613 if (count > 31) 2614 return -EINVAL; 2615 2616 if (kstrtoul(buffer, 10, &value) || value > 1) 2617 return -EINVAL; 2618 2619 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2620 return -EIO; 2621 2622 return count; 2623 } 2624 2625 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2626 struct device_attribute *attr, char *buffer) 2627 { 2628 unsigned int result; 2629 2630 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2631 return -EIO; 2632 2633 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2634 } 2635 2636 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2637 { 2638 unsigned int result; 2639 2640 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2641 if (!lowbatt_handle) 2642 return -ENOMEM; 2643 2644 sysfs_attr_init(&lowbatt_handle->attr); 2645 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2646 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2647 lowbatt_handle->show = sony_nc_lowbatt_show; 2648 lowbatt_handle->store = sony_nc_lowbatt_store; 2649 2650 result = device_create_file(&pd->dev, lowbatt_handle); 2651 if (result) { 2652 kfree(lowbatt_handle); 2653 lowbatt_handle = NULL; 2654 return result; 2655 } 2656 2657 return 0; 2658 } 2659 2660 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2661 { 2662 if (lowbatt_handle) { 2663 device_remove_file(&pd->dev, lowbatt_handle); 2664 kfree(lowbatt_handle); 2665 lowbatt_handle = NULL; 2666 } 2667 } 2668 2669 /* fan speed function */ 2670 static struct device_attribute *fan_handle, *hsf_handle; 2671 2672 static ssize_t sony_nc_hsfan_store(struct device *dev, 2673 struct device_attribute *attr, 2674 const char *buffer, size_t count) 2675 { 2676 unsigned int result; 2677 unsigned long value; 2678 2679 if (count > 31) 2680 return -EINVAL; 2681 2682 if (kstrtoul(buffer, 10, &value) || value > 1) 2683 return -EINVAL; 2684 2685 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2686 return -EIO; 2687 2688 return count; 2689 } 2690 2691 static ssize_t sony_nc_hsfan_show(struct device *dev, 2692 struct device_attribute *attr, char *buffer) 2693 { 2694 unsigned int result; 2695 2696 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2697 return -EIO; 2698 2699 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2700 } 2701 2702 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2703 struct device_attribute *attr, char *buffer) 2704 { 2705 unsigned int result; 2706 2707 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2708 return -EIO; 2709 2710 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2711 } 2712 2713 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2714 { 2715 unsigned int result; 2716 2717 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2718 if (!fan_handle) 2719 return -ENOMEM; 2720 2721 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2722 if (!hsf_handle) { 2723 result = -ENOMEM; 2724 goto out_hsf_handle_alloc; 2725 } 2726 2727 sysfs_attr_init(&fan_handle->attr); 2728 fan_handle->attr.name = "fanspeed"; 2729 fan_handle->attr.mode = S_IRUGO; 2730 fan_handle->show = sony_nc_fanspeed_show; 2731 fan_handle->store = NULL; 2732 2733 sysfs_attr_init(&hsf_handle->attr); 2734 hsf_handle->attr.name = "fan_forced"; 2735 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2736 hsf_handle->show = sony_nc_hsfan_show; 2737 hsf_handle->store = sony_nc_hsfan_store; 2738 2739 result = device_create_file(&pd->dev, fan_handle); 2740 if (result) 2741 goto out_fan_handle; 2742 2743 result = device_create_file(&pd->dev, hsf_handle); 2744 if (result) 2745 goto out_hsf_handle; 2746 2747 return 0; 2748 2749 out_hsf_handle: 2750 device_remove_file(&pd->dev, fan_handle); 2751 2752 out_fan_handle: 2753 kfree(hsf_handle); 2754 hsf_handle = NULL; 2755 2756 out_hsf_handle_alloc: 2757 kfree(fan_handle); 2758 fan_handle = NULL; 2759 return result; 2760 } 2761 2762 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2763 { 2764 if (fan_handle) { 2765 device_remove_file(&pd->dev, fan_handle); 2766 kfree(fan_handle); 2767 fan_handle = NULL; 2768 } 2769 if (hsf_handle) { 2770 device_remove_file(&pd->dev, hsf_handle); 2771 kfree(hsf_handle); 2772 hsf_handle = NULL; 2773 } 2774 } 2775 2776 /* USB charge function */ 2777 static struct device_attribute *uc_handle; 2778 2779 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2780 struct device_attribute *attr, 2781 const char *buffer, size_t count) 2782 { 2783 unsigned int result; 2784 unsigned long value; 2785 2786 if (count > 31) 2787 return -EINVAL; 2788 2789 if (kstrtoul(buffer, 10, &value) || value > 1) 2790 return -EINVAL; 2791 2792 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2793 return -EIO; 2794 2795 return count; 2796 } 2797 2798 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2799 struct device_attribute *attr, char *buffer) 2800 { 2801 unsigned int result; 2802 2803 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2804 return -EIO; 2805 2806 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2807 } 2808 2809 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2810 { 2811 unsigned int result; 2812 2813 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2814 /* some models advertise the handle but have no implementation 2815 * for it 2816 */ 2817 pr_info("No USB Charge capability found\n"); 2818 return 0; 2819 } 2820 2821 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2822 if (!uc_handle) 2823 return -ENOMEM; 2824 2825 sysfs_attr_init(&uc_handle->attr); 2826 uc_handle->attr.name = "usb_charge"; 2827 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2828 uc_handle->show = sony_nc_usb_charge_show; 2829 uc_handle->store = sony_nc_usb_charge_store; 2830 2831 result = device_create_file(&pd->dev, uc_handle); 2832 if (result) { 2833 kfree(uc_handle); 2834 uc_handle = NULL; 2835 return result; 2836 } 2837 2838 return 0; 2839 } 2840 2841 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2842 { 2843 if (uc_handle) { 2844 device_remove_file(&pd->dev, uc_handle); 2845 kfree(uc_handle); 2846 uc_handle = NULL; 2847 } 2848 } 2849 2850 /* Panel ID function */ 2851 static struct device_attribute *panel_handle; 2852 2853 static ssize_t sony_nc_panelid_show(struct device *dev, 2854 struct device_attribute *attr, char *buffer) 2855 { 2856 unsigned int result; 2857 2858 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2859 return -EIO; 2860 2861 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2862 } 2863 2864 static int sony_nc_panelid_setup(struct platform_device *pd) 2865 { 2866 unsigned int result; 2867 2868 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2869 if (!panel_handle) 2870 return -ENOMEM; 2871 2872 sysfs_attr_init(&panel_handle->attr); 2873 panel_handle->attr.name = "panel_id"; 2874 panel_handle->attr.mode = S_IRUGO; 2875 panel_handle->show = sony_nc_panelid_show; 2876 panel_handle->store = NULL; 2877 2878 result = device_create_file(&pd->dev, panel_handle); 2879 if (result) { 2880 kfree(panel_handle); 2881 panel_handle = NULL; 2882 return result; 2883 } 2884 2885 return 0; 2886 } 2887 2888 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2889 { 2890 if (panel_handle) { 2891 device_remove_file(&pd->dev, panel_handle); 2892 kfree(panel_handle); 2893 panel_handle = NULL; 2894 } 2895 } 2896 2897 /* smart connect function */ 2898 static struct device_attribute *sc_handle; 2899 2900 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2901 struct device_attribute *attr, 2902 const char *buffer, size_t count) 2903 { 2904 unsigned int result; 2905 unsigned long value; 2906 2907 if (count > 31) 2908 return -EINVAL; 2909 2910 if (kstrtoul(buffer, 10, &value) || value > 1) 2911 return -EINVAL; 2912 2913 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2914 return -EIO; 2915 2916 return count; 2917 } 2918 2919 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2920 { 2921 unsigned int result; 2922 2923 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2924 if (!sc_handle) 2925 return -ENOMEM; 2926 2927 sysfs_attr_init(&sc_handle->attr); 2928 sc_handle->attr.name = "smart_connect"; 2929 sc_handle->attr.mode = S_IWUSR; 2930 sc_handle->show = NULL; 2931 sc_handle->store = sony_nc_smart_conn_store; 2932 2933 result = device_create_file(&pd->dev, sc_handle); 2934 if (result) { 2935 kfree(sc_handle); 2936 sc_handle = NULL; 2937 return result; 2938 } 2939 2940 return 0; 2941 } 2942 2943 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2944 { 2945 if (sc_handle) { 2946 device_remove_file(&pd->dev, sc_handle); 2947 kfree(sc_handle); 2948 sc_handle = NULL; 2949 } 2950 } 2951 2952 /* Touchpad enable/disable */ 2953 struct touchpad_control { 2954 struct device_attribute attr; 2955 int handle; 2956 }; 2957 static struct touchpad_control *tp_ctl; 2958 2959 static ssize_t sony_nc_touchpad_store(struct device *dev, 2960 struct device_attribute *attr, const char *buffer, size_t count) 2961 { 2962 unsigned int result; 2963 unsigned long value; 2964 2965 if (count > 31) 2966 return -EINVAL; 2967 2968 if (kstrtoul(buffer, 10, &value) || value > 1) 2969 return -EINVAL; 2970 2971 /* sysfs: 0 disabled, 1 enabled 2972 * EC: 0 enabled, 1 disabled 2973 */ 2974 if (sony_call_snc_handle(tp_ctl->handle, 2975 (!value << 0x10) | 0x100, &result)) 2976 return -EIO; 2977 2978 return count; 2979 } 2980 2981 static ssize_t sony_nc_touchpad_show(struct device *dev, 2982 struct device_attribute *attr, char *buffer) 2983 { 2984 unsigned int result; 2985 2986 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2987 return -EINVAL; 2988 2989 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2990 } 2991 2992 static int sony_nc_touchpad_setup(struct platform_device *pd, 2993 unsigned int handle) 2994 { 2995 int ret = 0; 2996 2997 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2998 if (!tp_ctl) 2999 return -ENOMEM; 3000 3001 tp_ctl->handle = handle; 3002 3003 sysfs_attr_init(&tp_ctl->attr.attr); 3004 tp_ctl->attr.attr.name = "touchpad"; 3005 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3006 tp_ctl->attr.show = sony_nc_touchpad_show; 3007 tp_ctl->attr.store = sony_nc_touchpad_store; 3008 3009 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3010 if (ret) { 3011 kfree(tp_ctl); 3012 tp_ctl = NULL; 3013 } 3014 3015 return ret; 3016 } 3017 3018 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3019 { 3020 if (tp_ctl) { 3021 device_remove_file(&pd->dev, &tp_ctl->attr); 3022 kfree(tp_ctl); 3023 tp_ctl = NULL; 3024 } 3025 } 3026 3027 static void sony_nc_backlight_ng_read_limits(int handle, 3028 struct sony_backlight_props *props) 3029 { 3030 u64 offset; 3031 int i; 3032 int lvl_table_len = 0; 3033 u8 min = 0xff, max = 0x00; 3034 unsigned char buffer[32] = { 0 }; 3035 3036 props->handle = handle; 3037 props->offset = 0; 3038 props->maxlvl = 0xff; 3039 3040 offset = sony_find_snc_handle(handle); 3041 3042 /* try to read the boundaries from ACPI tables, if we fail the above 3043 * defaults should be reasonable 3044 */ 3045 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3046 32); 3047 if (i < 0) 3048 return; 3049 3050 switch (handle) { 3051 case 0x012f: 3052 case 0x0137: 3053 lvl_table_len = 9; 3054 break; 3055 case 0x143: 3056 case 0x14b: 3057 case 0x14c: 3058 lvl_table_len = 16; 3059 break; 3060 } 3061 3062 /* the buffer lists brightness levels available, brightness levels are 3063 * from position 0 to 8 in the array, other values are used by ALS 3064 * control. 3065 */ 3066 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3067 3068 dprintk("Brightness level: %d\n", buffer[i]); 3069 3070 if (!buffer[i]) 3071 break; 3072 3073 if (buffer[i] > max) 3074 max = buffer[i]; 3075 if (buffer[i] < min) 3076 min = buffer[i]; 3077 } 3078 props->offset = min; 3079 props->maxlvl = max; 3080 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3081 props->maxlvl); 3082 } 3083 3084 static void sony_nc_backlight_setup(void) 3085 { 3086 int max_brightness = 0; 3087 const struct backlight_ops *ops = NULL; 3088 struct backlight_properties props; 3089 3090 if (sony_find_snc_handle(0x12f) >= 0) { 3091 ops = &sony_backlight_ng_ops; 3092 sony_bl_props.cmd_base = 0x0100; 3093 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3094 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3095 3096 } else if (sony_find_snc_handle(0x137) >= 0) { 3097 ops = &sony_backlight_ng_ops; 3098 sony_bl_props.cmd_base = 0x0100; 3099 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3100 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3101 3102 } else if (sony_find_snc_handle(0x143) >= 0) { 3103 ops = &sony_backlight_ng_ops; 3104 sony_bl_props.cmd_base = 0x3000; 3105 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3107 3108 } else if (sony_find_snc_handle(0x14b) >= 0) { 3109 ops = &sony_backlight_ng_ops; 3110 sony_bl_props.cmd_base = 0x3000; 3111 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3113 3114 } else if (sony_find_snc_handle(0x14c) >= 0) { 3115 ops = &sony_backlight_ng_ops; 3116 sony_bl_props.cmd_base = 0x3000; 3117 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3119 3120 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3121 ops = &sony_backlight_ops; 3122 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3123 3124 } else 3125 return; 3126 3127 memset(&props, 0, sizeof(struct backlight_properties)); 3128 props.type = BACKLIGHT_PLATFORM; 3129 props.max_brightness = max_brightness; 3130 sony_bl_props.dev = backlight_device_register("sony", NULL, 3131 &sony_bl_props, 3132 ops, &props); 3133 3134 if (IS_ERR(sony_bl_props.dev)) { 3135 pr_warn("unable to register backlight device\n"); 3136 sony_bl_props.dev = NULL; 3137 } else 3138 sony_bl_props.dev->props.brightness = 3139 ops->get_brightness(sony_bl_props.dev); 3140 } 3141 3142 static void sony_nc_backlight_cleanup(void) 3143 { 3144 backlight_device_unregister(sony_bl_props.dev); 3145 } 3146 3147 static int sony_nc_add(struct acpi_device *device) 3148 { 3149 acpi_status status; 3150 int result = 0; 3151 struct sony_nc_value *item; 3152 3153 sony_nc_acpi_device = device; 3154 strcpy(acpi_device_class(device), "sony/hotkey"); 3155 3156 sony_nc_acpi_handle = device->handle; 3157 3158 /* read device status */ 3159 result = acpi_bus_get_status(device); 3160 /* bail IFF the above call was successful and the device is not present */ 3161 if (!result && !device->status.present) { 3162 dprintk("Device not present\n"); 3163 result = -ENODEV; 3164 goto outwalk; 3165 } 3166 3167 result = sony_pf_add(); 3168 if (result) 3169 goto outpresent; 3170 3171 if (debug) { 3172 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3173 sony_nc_acpi_handle, 1, sony_walk_callback, 3174 NULL, NULL, NULL); 3175 if (ACPI_FAILURE(status)) { 3176 pr_warn("unable to walk acpi resources\n"); 3177 result = -ENODEV; 3178 goto outpresent; 3179 } 3180 } 3181 3182 result = sony_laptop_setup_input(device); 3183 if (result) { 3184 pr_err("Unable to create input devices\n"); 3185 goto outplatform; 3186 } 3187 3188 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3189 int arg = 1; 3190 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3191 dprintk("ECON Method failed\n"); 3192 } 3193 3194 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3195 dprintk("Doing SNC setup\n"); 3196 /* retrieve the available handles */ 3197 result = sony_nc_handles_setup(sony_pf_device); 3198 if (!result) 3199 sony_nc_function_setup(device, sony_pf_device); 3200 } 3201 3202 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3203 sony_nc_backlight_setup(); 3204 3205 /* create sony_pf sysfs attributes related to the SNC device */ 3206 for (item = sony_nc_values; item->name; ++item) { 3207 3208 if (!debug && item->debug) 3209 continue; 3210 3211 /* find the available acpiget as described in the DSDT */ 3212 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3213 if (acpi_has_method(sony_nc_acpi_handle, 3214 *item->acpiget)) { 3215 dprintk("Found %s getter: %s\n", 3216 item->name, *item->acpiget); 3217 item->devattr.attr.mode |= S_IRUGO; 3218 break; 3219 } 3220 } 3221 3222 /* find the available acpiset as described in the DSDT */ 3223 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3224 if (acpi_has_method(sony_nc_acpi_handle, 3225 *item->acpiset)) { 3226 dprintk("Found %s setter: %s\n", 3227 item->name, *item->acpiset); 3228 item->devattr.attr.mode |= S_IWUSR; 3229 break; 3230 } 3231 } 3232 3233 if (item->devattr.attr.mode != 0) { 3234 result = 3235 device_create_file(&sony_pf_device->dev, 3236 &item->devattr); 3237 if (result) 3238 goto out_sysfs; 3239 } 3240 } 3241 3242 pr_info("SNC setup done.\n"); 3243 return 0; 3244 3245 out_sysfs: 3246 for (item = sony_nc_values; item->name; ++item) { 3247 device_remove_file(&sony_pf_device->dev, &item->devattr); 3248 } 3249 sony_nc_backlight_cleanup(); 3250 sony_nc_function_cleanup(sony_pf_device); 3251 sony_nc_handles_cleanup(sony_pf_device); 3252 3253 outplatform: 3254 sony_laptop_remove_input(); 3255 3256 outpresent: 3257 sony_pf_remove(); 3258 3259 outwalk: 3260 sony_nc_rfkill_cleanup(); 3261 return result; 3262 } 3263 3264 static int sony_nc_remove(struct acpi_device *device) 3265 { 3266 struct sony_nc_value *item; 3267 3268 sony_nc_backlight_cleanup(); 3269 3270 sony_nc_acpi_device = NULL; 3271 3272 for (item = sony_nc_values; item->name; ++item) { 3273 device_remove_file(&sony_pf_device->dev, &item->devattr); 3274 } 3275 3276 sony_nc_function_cleanup(sony_pf_device); 3277 sony_nc_handles_cleanup(sony_pf_device); 3278 sony_pf_remove(); 3279 sony_laptop_remove_input(); 3280 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3281 3282 return 0; 3283 } 3284 3285 static const struct acpi_device_id sony_device_ids[] = { 3286 {SONY_NC_HID, 0}, 3287 {SONY_PIC_HID, 0}, 3288 {"", 0}, 3289 }; 3290 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3291 3292 static const struct acpi_device_id sony_nc_device_ids[] = { 3293 {SONY_NC_HID, 0}, 3294 {"", 0}, 3295 }; 3296 3297 static struct acpi_driver sony_nc_driver = { 3298 .name = SONY_NC_DRIVER_NAME, 3299 .class = SONY_NC_CLASS, 3300 .ids = sony_nc_device_ids, 3301 .owner = THIS_MODULE, 3302 .ops = { 3303 .add = sony_nc_add, 3304 .remove = sony_nc_remove, 3305 .notify = sony_nc_notify, 3306 }, 3307 .drv.pm = &sony_nc_pm, 3308 }; 3309 3310 /*********** SPIC (SNY6001) Device ***********/ 3311 3312 #define SONYPI_DEVICE_TYPE1 0x00000001 3313 #define SONYPI_DEVICE_TYPE2 0x00000002 3314 #define SONYPI_DEVICE_TYPE3 0x00000004 3315 3316 #define SONYPI_TYPE1_OFFSET 0x04 3317 #define SONYPI_TYPE2_OFFSET 0x12 3318 #define SONYPI_TYPE3_OFFSET 0x12 3319 3320 struct sony_pic_ioport { 3321 struct acpi_resource_io io1; 3322 struct acpi_resource_io io2; 3323 struct list_head list; 3324 }; 3325 3326 struct sony_pic_irq { 3327 struct acpi_resource_irq irq; 3328 struct list_head list; 3329 }; 3330 3331 struct sonypi_eventtypes { 3332 u8 data; 3333 unsigned long mask; 3334 struct sonypi_event *events; 3335 }; 3336 3337 struct sony_pic_dev { 3338 struct acpi_device *acpi_dev; 3339 struct sony_pic_irq *cur_irq; 3340 struct sony_pic_ioport *cur_ioport; 3341 struct list_head interrupts; 3342 struct list_head ioports; 3343 struct mutex lock; 3344 struct sonypi_eventtypes *event_types; 3345 int (*handle_irq)(const u8, const u8); 3346 int model; 3347 u16 evport_offset; 3348 u8 camera_power; 3349 u8 bluetooth_power; 3350 u8 wwan_power; 3351 }; 3352 3353 static struct sony_pic_dev spic_dev = { 3354 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3355 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3356 }; 3357 3358 static int spic_drv_registered; 3359 3360 /* Event masks */ 3361 #define SONYPI_JOGGER_MASK 0x00000001 3362 #define SONYPI_CAPTURE_MASK 0x00000002 3363 #define SONYPI_FNKEY_MASK 0x00000004 3364 #define SONYPI_BLUETOOTH_MASK 0x00000008 3365 #define SONYPI_PKEY_MASK 0x00000010 3366 #define SONYPI_BACK_MASK 0x00000020 3367 #define SONYPI_HELP_MASK 0x00000040 3368 #define SONYPI_LID_MASK 0x00000080 3369 #define SONYPI_ZOOM_MASK 0x00000100 3370 #define SONYPI_THUMBPHRASE_MASK 0x00000200 3371 #define SONYPI_MEYE_MASK 0x00000400 3372 #define SONYPI_MEMORYSTICK_MASK 0x00000800 3373 #define SONYPI_BATTERY_MASK 0x00001000 3374 #define SONYPI_WIRELESS_MASK 0x00002000 3375 3376 struct sonypi_event { 3377 u8 data; 3378 u8 event; 3379 }; 3380 3381 /* The set of possible button release events */ 3382 static struct sonypi_event sonypi_releaseev[] = { 3383 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3384 { 0, 0 } 3385 }; 3386 3387 /* The set of possible jogger events */ 3388 static struct sonypi_event sonypi_joggerev[] = { 3389 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3390 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3391 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3392 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3393 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3394 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3395 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3396 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3397 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3398 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3399 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3400 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3401 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3402 { 0, 0 } 3403 }; 3404 3405 /* The set of possible capture button events */ 3406 static struct sonypi_event sonypi_captureev[] = { 3407 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3408 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3409 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3410 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3411 { 0, 0 } 3412 }; 3413 3414 /* The set of possible fnkeys events */ 3415 static struct sonypi_event sonypi_fnkeyev[] = { 3416 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3417 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3418 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3419 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3420 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3421 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3422 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3423 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3424 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3425 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3426 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3427 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3428 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3429 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3430 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3431 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3432 { 0x31, SONYPI_EVENT_FNKEY_D }, 3433 { 0x32, SONYPI_EVENT_FNKEY_E }, 3434 { 0x33, SONYPI_EVENT_FNKEY_F }, 3435 { 0x34, SONYPI_EVENT_FNKEY_S }, 3436 { 0x35, SONYPI_EVENT_FNKEY_B }, 3437 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3438 { 0, 0 } 3439 }; 3440 3441 /* The set of possible program key events */ 3442 static struct sonypi_event sonypi_pkeyev[] = { 3443 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3444 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3445 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3446 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3447 { 0, 0 } 3448 }; 3449 3450 /* The set of possible bluetooth events */ 3451 static struct sonypi_event sonypi_blueev[] = { 3452 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3453 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3454 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3455 { 0, 0 } 3456 }; 3457 3458 /* The set of possible wireless events */ 3459 static struct sonypi_event sonypi_wlessev[] = { 3460 { 0x59, SONYPI_EVENT_IGNORE }, 3461 { 0x5a, SONYPI_EVENT_IGNORE }, 3462 { 0, 0 } 3463 }; 3464 3465 /* The set of possible back button events */ 3466 static struct sonypi_event sonypi_backev[] = { 3467 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3468 { 0, 0 } 3469 }; 3470 3471 /* The set of possible help button events */ 3472 static struct sonypi_event sonypi_helpev[] = { 3473 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3474 { 0, 0 } 3475 }; 3476 3477 3478 /* The set of possible lid events */ 3479 static struct sonypi_event sonypi_lidev[] = { 3480 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3481 { 0x50, SONYPI_EVENT_LID_OPENED }, 3482 { 0, 0 } 3483 }; 3484 3485 /* The set of possible zoom events */ 3486 static struct sonypi_event sonypi_zoomev[] = { 3487 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3488 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3489 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3490 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3491 { 0, 0 } 3492 }; 3493 3494 /* The set of possible thumbphrase events */ 3495 static struct sonypi_event sonypi_thumbphraseev[] = { 3496 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3497 { 0, 0 } 3498 }; 3499 3500 /* The set of possible motioneye camera events */ 3501 static struct sonypi_event sonypi_meyeev[] = { 3502 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3503 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3504 { 0, 0 } 3505 }; 3506 3507 /* The set of possible memorystick events */ 3508 static struct sonypi_event sonypi_memorystickev[] = { 3509 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3510 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3511 { 0, 0 } 3512 }; 3513 3514 /* The set of possible battery events */ 3515 static struct sonypi_event sonypi_batteryev[] = { 3516 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3517 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3518 { 0, 0 } 3519 }; 3520 3521 /* The set of possible volume events */ 3522 static struct sonypi_event sonypi_volumeev[] = { 3523 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3524 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3525 { 0, 0 } 3526 }; 3527 3528 /* The set of possible brightness events */ 3529 static struct sonypi_event sonypi_brightnessev[] = { 3530 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3531 { 0, 0 } 3532 }; 3533 3534 static struct sonypi_eventtypes type1_events[] = { 3535 { 0, 0xffffffff, sonypi_releaseev }, 3536 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3537 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3538 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3539 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3540 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3541 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3542 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3543 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3544 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3545 { 0 }, 3546 }; 3547 static struct sonypi_eventtypes type2_events[] = { 3548 { 0, 0xffffffff, sonypi_releaseev }, 3549 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3550 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3551 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3552 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3553 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3554 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3555 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3556 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3557 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3558 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3559 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3560 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3561 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3562 { 0 }, 3563 }; 3564 static struct sonypi_eventtypes type3_events[] = { 3565 { 0, 0xffffffff, sonypi_releaseev }, 3566 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3567 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3568 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3569 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3570 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3571 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3572 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3573 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3574 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3575 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3576 { 0 }, 3577 }; 3578 3579 /* low level spic calls */ 3580 #define ITERATIONS_LONG 10000 3581 #define ITERATIONS_SHORT 10 3582 #define wait_on_command(command, iterations) { \ 3583 unsigned int n = iterations; \ 3584 while (--n && (command)) \ 3585 udelay(1); \ 3586 if (!n) \ 3587 dprintk("command failed at %s : %s (line %d)\n", \ 3588 __FILE__, __func__, __LINE__); \ 3589 } 3590 3591 static u8 sony_pic_call1(u8 dev) 3592 { 3593 u8 v1, v2; 3594 3595 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3596 ITERATIONS_LONG); 3597 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3598 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3599 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3600 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3601 return v2; 3602 } 3603 3604 static u8 sony_pic_call2(u8 dev, u8 fn) 3605 { 3606 u8 v1; 3607 3608 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3609 ITERATIONS_LONG); 3610 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3611 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3612 ITERATIONS_LONG); 3613 outb(fn, spic_dev.cur_ioport->io1.minimum); 3614 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3615 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3616 return v1; 3617 } 3618 3619 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3620 { 3621 u8 v1; 3622 3623 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3624 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3625 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3626 outb(fn, spic_dev.cur_ioport->io1.minimum); 3627 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3628 outb(v, spic_dev.cur_ioport->io1.minimum); 3629 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3630 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3631 dev, fn, v, v1); 3632 return v1; 3633 } 3634 3635 /* 3636 * minidrivers for SPIC models 3637 */ 3638 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3639 { 3640 /* 3641 * 0x31 could mean we have to take some extra action and wait for 3642 * the next irq for some Type3 models, it will generate a new 3643 * irq and we can read new data from the device: 3644 * - 0x5c and 0x5f requires 0xA0 3645 * - 0x61 requires 0xB3 3646 */ 3647 if (data_mask == 0x31) { 3648 if (ev == 0x5c || ev == 0x5f) 3649 sony_pic_call1(0xA0); 3650 else if (ev == 0x61) 3651 sony_pic_call1(0xB3); 3652 return 0; 3653 } 3654 return 1; 3655 } 3656 3657 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3658 { 3659 struct pci_dev *pcidev; 3660 3661 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3662 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3663 if (pcidev) { 3664 dev->model = SONYPI_DEVICE_TYPE1; 3665 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3666 dev->event_types = type1_events; 3667 goto out; 3668 } 3669 3670 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3671 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3672 if (pcidev) { 3673 dev->model = SONYPI_DEVICE_TYPE2; 3674 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3675 dev->event_types = type2_events; 3676 goto out; 3677 } 3678 3679 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3680 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3681 if (pcidev) { 3682 dev->model = SONYPI_DEVICE_TYPE3; 3683 dev->handle_irq = type3_handle_irq; 3684 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3685 dev->event_types = type3_events; 3686 goto out; 3687 } 3688 3689 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3690 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3691 if (pcidev) { 3692 dev->model = SONYPI_DEVICE_TYPE3; 3693 dev->handle_irq = type3_handle_irq; 3694 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3695 dev->event_types = type3_events; 3696 goto out; 3697 } 3698 3699 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3700 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3701 if (pcidev) { 3702 dev->model = SONYPI_DEVICE_TYPE3; 3703 dev->handle_irq = type3_handle_irq; 3704 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3705 dev->event_types = type3_events; 3706 goto out; 3707 } 3708 3709 /* default */ 3710 dev->model = SONYPI_DEVICE_TYPE2; 3711 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3712 dev->event_types = type2_events; 3713 3714 out: 3715 pci_dev_put(pcidev); 3716 3717 pr_info("detected Type%d model\n", 3718 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3719 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3720 } 3721 3722 /* camera tests and poweron/poweroff */ 3723 #define SONYPI_CAMERA_PICTURE 5 3724 #define SONYPI_CAMERA_CONTROL 0x10 3725 3726 #define SONYPI_CAMERA_BRIGHTNESS 0 3727 #define SONYPI_CAMERA_CONTRAST 1 3728 #define SONYPI_CAMERA_HUE 2 3729 #define SONYPI_CAMERA_COLOR 3 3730 #define SONYPI_CAMERA_SHARPNESS 4 3731 3732 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3733 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3734 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3735 #define SONYPI_CAMERA_MUTE_MASK 0x40 3736 3737 /* the rest don't need a loop until not 0xff */ 3738 #define SONYPI_CAMERA_AGC 6 3739 #define SONYPI_CAMERA_AGC_MASK 0x30 3740 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3741 3742 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3743 #define SONYPI_CAMERA_CONTROL 0x10 3744 3745 #define SONYPI_CAMERA_STATUS 7 3746 #define SONYPI_CAMERA_STATUS_READY 0x2 3747 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3748 3749 #define SONYPI_DIRECTION_BACKWARDS 0x4 3750 3751 #define SONYPI_CAMERA_REVISION 8 3752 #define SONYPI_CAMERA_ROMVERSION 9 3753 3754 static int __sony_pic_camera_ready(void) 3755 { 3756 u8 v; 3757 3758 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3759 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3760 } 3761 3762 static int __sony_pic_camera_off(void) 3763 { 3764 if (!camera) { 3765 pr_warn("camera control not enabled\n"); 3766 return -ENODEV; 3767 } 3768 3769 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3770 SONYPI_CAMERA_MUTE_MASK), 3771 ITERATIONS_SHORT); 3772 3773 if (spic_dev.camera_power) { 3774 sony_pic_call2(0x91, 0); 3775 spic_dev.camera_power = 0; 3776 } 3777 return 0; 3778 } 3779 3780 static int __sony_pic_camera_on(void) 3781 { 3782 int i, j, x; 3783 3784 if (!camera) { 3785 pr_warn("camera control not enabled\n"); 3786 return -ENODEV; 3787 } 3788 3789 if (spic_dev.camera_power) 3790 return 0; 3791 3792 for (j = 5; j > 0; j--) { 3793 3794 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3795 msleep(10); 3796 sony_pic_call1(0x93); 3797 3798 for (i = 400; i > 0; i--) { 3799 if (__sony_pic_camera_ready()) 3800 break; 3801 msleep(10); 3802 } 3803 if (i) 3804 break; 3805 } 3806 3807 if (j == 0) { 3808 pr_warn("failed to power on camera\n"); 3809 return -ENODEV; 3810 } 3811 3812 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3813 0x5a), 3814 ITERATIONS_SHORT); 3815 3816 spic_dev.camera_power = 1; 3817 return 0; 3818 } 3819 3820 /* External camera command (exported to the motion eye v4l driver) */ 3821 int sony_pic_camera_command(int command, u8 value) 3822 { 3823 if (!camera) 3824 return -EIO; 3825 3826 mutex_lock(&spic_dev.lock); 3827 3828 switch (command) { 3829 case SONY_PIC_COMMAND_SETCAMERA: 3830 if (value) 3831 __sony_pic_camera_on(); 3832 else 3833 __sony_pic_camera_off(); 3834 break; 3835 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3836 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3837 ITERATIONS_SHORT); 3838 break; 3839 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3840 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3841 ITERATIONS_SHORT); 3842 break; 3843 case SONY_PIC_COMMAND_SETCAMERAHUE: 3844 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3845 ITERATIONS_SHORT); 3846 break; 3847 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3848 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3849 ITERATIONS_SHORT); 3850 break; 3851 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3852 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3853 ITERATIONS_SHORT); 3854 break; 3855 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3856 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3857 ITERATIONS_SHORT); 3858 break; 3859 case SONY_PIC_COMMAND_SETCAMERAAGC: 3860 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3861 ITERATIONS_SHORT); 3862 break; 3863 default: 3864 pr_err("sony_pic_camera_command invalid: %d\n", command); 3865 break; 3866 } 3867 mutex_unlock(&spic_dev.lock); 3868 return 0; 3869 } 3870 EXPORT_SYMBOL(sony_pic_camera_command); 3871 3872 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3873 static void __sony_pic_set_wwanpower(u8 state) 3874 { 3875 state = !!state; 3876 if (spic_dev.wwan_power == state) 3877 return; 3878 sony_pic_call2(0xB0, state); 3879 sony_pic_call1(0x82); 3880 spic_dev.wwan_power = state; 3881 } 3882 3883 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3884 struct device_attribute *attr, 3885 const char *buffer, size_t count) 3886 { 3887 unsigned long value; 3888 if (count > 31) 3889 return -EINVAL; 3890 3891 if (kstrtoul(buffer, 10, &value)) 3892 return -EINVAL; 3893 3894 mutex_lock(&spic_dev.lock); 3895 __sony_pic_set_wwanpower(value); 3896 mutex_unlock(&spic_dev.lock); 3897 3898 return count; 3899 } 3900 3901 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3902 struct device_attribute *attr, char *buffer) 3903 { 3904 ssize_t count; 3905 mutex_lock(&spic_dev.lock); 3906 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3907 mutex_unlock(&spic_dev.lock); 3908 return count; 3909 } 3910 3911 /* bluetooth subsystem power state */ 3912 static void __sony_pic_set_bluetoothpower(u8 state) 3913 { 3914 state = !!state; 3915 if (spic_dev.bluetooth_power == state) 3916 return; 3917 sony_pic_call2(0x96, state); 3918 sony_pic_call1(0x82); 3919 spic_dev.bluetooth_power = state; 3920 } 3921 3922 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3923 struct device_attribute *attr, 3924 const char *buffer, size_t count) 3925 { 3926 unsigned long value; 3927 if (count > 31) 3928 return -EINVAL; 3929 3930 if (kstrtoul(buffer, 10, &value)) 3931 return -EINVAL; 3932 3933 mutex_lock(&spic_dev.lock); 3934 __sony_pic_set_bluetoothpower(value); 3935 mutex_unlock(&spic_dev.lock); 3936 3937 return count; 3938 } 3939 3940 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3941 struct device_attribute *attr, char *buffer) 3942 { 3943 ssize_t count = 0; 3944 mutex_lock(&spic_dev.lock); 3945 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3946 mutex_unlock(&spic_dev.lock); 3947 return count; 3948 } 3949 3950 /* fan speed */ 3951 /* FAN0 information (reverse engineered from ACPI tables) */ 3952 #define SONY_PIC_FAN0_STATUS 0x93 3953 static int sony_pic_set_fanspeed(unsigned long value) 3954 { 3955 return ec_write(SONY_PIC_FAN0_STATUS, value); 3956 } 3957 3958 static int sony_pic_get_fanspeed(u8 *value) 3959 { 3960 return ec_read(SONY_PIC_FAN0_STATUS, value); 3961 } 3962 3963 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3964 struct device_attribute *attr, 3965 const char *buffer, size_t count) 3966 { 3967 unsigned long value; 3968 if (count > 31) 3969 return -EINVAL; 3970 3971 if (kstrtoul(buffer, 10, &value)) 3972 return -EINVAL; 3973 3974 if (sony_pic_set_fanspeed(value)) 3975 return -EIO; 3976 3977 return count; 3978 } 3979 3980 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3981 struct device_attribute *attr, char *buffer) 3982 { 3983 u8 value = 0; 3984 if (sony_pic_get_fanspeed(&value)) 3985 return -EIO; 3986 3987 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 3988 } 3989 3990 #define SPIC_ATTR(_name, _mode) \ 3991 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3992 _mode, sony_pic_## _name ##_show, \ 3993 sony_pic_## _name ##_store) 3994 3995 static SPIC_ATTR(bluetoothpower, 0644); 3996 static SPIC_ATTR(wwanpower, 0644); 3997 static SPIC_ATTR(fanspeed, 0644); 3998 3999 static struct attribute *spic_attributes[] = { 4000 &spic_attr_bluetoothpower.attr, 4001 &spic_attr_wwanpower.attr, 4002 &spic_attr_fanspeed.attr, 4003 NULL 4004 }; 4005 4006 static struct attribute_group spic_attribute_group = { 4007 .attrs = spic_attributes 4008 }; 4009 4010 /******** SONYPI compatibility **********/ 4011 #ifdef CONFIG_SONYPI_COMPAT 4012 4013 /* battery / brightness / temperature addresses */ 4014 #define SONYPI_BAT_FLAGS 0x81 4015 #define SONYPI_LCD_LIGHT 0x96 4016 #define SONYPI_BAT1_PCTRM 0xa0 4017 #define SONYPI_BAT1_LEFT 0xa2 4018 #define SONYPI_BAT1_MAXRT 0xa4 4019 #define SONYPI_BAT2_PCTRM 0xa8 4020 #define SONYPI_BAT2_LEFT 0xaa 4021 #define SONYPI_BAT2_MAXRT 0xac 4022 #define SONYPI_BAT1_MAXTK 0xb0 4023 #define SONYPI_BAT1_FULL 0xb2 4024 #define SONYPI_BAT2_MAXTK 0xb8 4025 #define SONYPI_BAT2_FULL 0xba 4026 #define SONYPI_TEMP_STATUS 0xC1 4027 4028 struct sonypi_compat_s { 4029 struct fasync_struct *fifo_async; 4030 struct kfifo fifo; 4031 spinlock_t fifo_lock; 4032 wait_queue_head_t fifo_proc_list; 4033 atomic_t open_count; 4034 }; 4035 static struct sonypi_compat_s sonypi_compat = { 4036 .open_count = ATOMIC_INIT(0), 4037 }; 4038 4039 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4040 { 4041 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4042 } 4043 4044 static int sonypi_misc_release(struct inode *inode, struct file *file) 4045 { 4046 atomic_dec(&sonypi_compat.open_count); 4047 return 0; 4048 } 4049 4050 static int sonypi_misc_open(struct inode *inode, struct file *file) 4051 { 4052 /* Flush input queue on first open */ 4053 unsigned long flags; 4054 4055 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4056 4057 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4058 kfifo_reset(&sonypi_compat.fifo); 4059 4060 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4061 4062 return 0; 4063 } 4064 4065 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4066 size_t count, loff_t *pos) 4067 { 4068 ssize_t ret; 4069 unsigned char c; 4070 4071 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4072 (file->f_flags & O_NONBLOCK)) 4073 return -EAGAIN; 4074 4075 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4076 kfifo_len(&sonypi_compat.fifo) != 0); 4077 if (ret) 4078 return ret; 4079 4080 while (ret < count && 4081 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4082 &sonypi_compat.fifo_lock) == sizeof(c))) { 4083 if (put_user(c, buf++)) 4084 return -EFAULT; 4085 ret++; 4086 } 4087 4088 if (ret > 0) { 4089 struct inode *inode = file_inode(file); 4090 inode->i_atime = current_fs_time(inode->i_sb); 4091 } 4092 4093 return ret; 4094 } 4095 4096 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 4097 { 4098 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4099 if (kfifo_len(&sonypi_compat.fifo)) 4100 return POLLIN | POLLRDNORM; 4101 return 0; 4102 } 4103 4104 static int ec_read16(u8 addr, u16 *value) 4105 { 4106 u8 val_lb, val_hb; 4107 if (ec_read(addr, &val_lb)) 4108 return -1; 4109 if (ec_read(addr + 1, &val_hb)) 4110 return -1; 4111 *value = val_lb | (val_hb << 8); 4112 return 0; 4113 } 4114 4115 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4116 unsigned long arg) 4117 { 4118 int ret = 0; 4119 void __user *argp = (void __user *)arg; 4120 u8 val8; 4121 u16 val16; 4122 int value; 4123 4124 mutex_lock(&spic_dev.lock); 4125 switch (cmd) { 4126 case SONYPI_IOCGBRT: 4127 if (sony_bl_props.dev == NULL) { 4128 ret = -EIO; 4129 break; 4130 } 4131 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4132 &value)) { 4133 ret = -EIO; 4134 break; 4135 } 4136 val8 = ((value & 0xff) - 1) << 5; 4137 if (copy_to_user(argp, &val8, sizeof(val8))) 4138 ret = -EFAULT; 4139 break; 4140 case SONYPI_IOCSBRT: 4141 if (sony_bl_props.dev == NULL) { 4142 ret = -EIO; 4143 break; 4144 } 4145 if (copy_from_user(&val8, argp, sizeof(val8))) { 4146 ret = -EFAULT; 4147 break; 4148 } 4149 value = (val8 >> 5) + 1; 4150 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4151 NULL)) { 4152 ret = -EIO; 4153 break; 4154 } 4155 /* sync the backlight device status */ 4156 sony_bl_props.dev->props.brightness = 4157 sony_backlight_get_brightness(sony_bl_props.dev); 4158 break; 4159 case SONYPI_IOCGBAT1CAP: 4160 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4161 ret = -EIO; 4162 break; 4163 } 4164 if (copy_to_user(argp, &val16, sizeof(val16))) 4165 ret = -EFAULT; 4166 break; 4167 case SONYPI_IOCGBAT1REM: 4168 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4169 ret = -EIO; 4170 break; 4171 } 4172 if (copy_to_user(argp, &val16, sizeof(val16))) 4173 ret = -EFAULT; 4174 break; 4175 case SONYPI_IOCGBAT2CAP: 4176 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4177 ret = -EIO; 4178 break; 4179 } 4180 if (copy_to_user(argp, &val16, sizeof(val16))) 4181 ret = -EFAULT; 4182 break; 4183 case SONYPI_IOCGBAT2REM: 4184 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4185 ret = -EIO; 4186 break; 4187 } 4188 if (copy_to_user(argp, &val16, sizeof(val16))) 4189 ret = -EFAULT; 4190 break; 4191 case SONYPI_IOCGBATFLAGS: 4192 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4193 ret = -EIO; 4194 break; 4195 } 4196 val8 &= 0x07; 4197 if (copy_to_user(argp, &val8, sizeof(val8))) 4198 ret = -EFAULT; 4199 break; 4200 case SONYPI_IOCGBLUE: 4201 val8 = spic_dev.bluetooth_power; 4202 if (copy_to_user(argp, &val8, sizeof(val8))) 4203 ret = -EFAULT; 4204 break; 4205 case SONYPI_IOCSBLUE: 4206 if (copy_from_user(&val8, argp, sizeof(val8))) { 4207 ret = -EFAULT; 4208 break; 4209 } 4210 __sony_pic_set_bluetoothpower(val8); 4211 break; 4212 /* FAN Controls */ 4213 case SONYPI_IOCGFAN: 4214 if (sony_pic_get_fanspeed(&val8)) { 4215 ret = -EIO; 4216 break; 4217 } 4218 if (copy_to_user(argp, &val8, sizeof(val8))) 4219 ret = -EFAULT; 4220 break; 4221 case SONYPI_IOCSFAN: 4222 if (copy_from_user(&val8, argp, sizeof(val8))) { 4223 ret = -EFAULT; 4224 break; 4225 } 4226 if (sony_pic_set_fanspeed(val8)) 4227 ret = -EIO; 4228 break; 4229 /* GET Temperature (useful under APM) */ 4230 case SONYPI_IOCGTEMP: 4231 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4232 ret = -EIO; 4233 break; 4234 } 4235 if (copy_to_user(argp, &val8, sizeof(val8))) 4236 ret = -EFAULT; 4237 break; 4238 default: 4239 ret = -EINVAL; 4240 } 4241 mutex_unlock(&spic_dev.lock); 4242 return ret; 4243 } 4244 4245 static const struct file_operations sonypi_misc_fops = { 4246 .owner = THIS_MODULE, 4247 .read = sonypi_misc_read, 4248 .poll = sonypi_misc_poll, 4249 .open = sonypi_misc_open, 4250 .release = sonypi_misc_release, 4251 .fasync = sonypi_misc_fasync, 4252 .unlocked_ioctl = sonypi_misc_ioctl, 4253 .llseek = noop_llseek, 4254 }; 4255 4256 static struct miscdevice sonypi_misc_device = { 4257 .minor = MISC_DYNAMIC_MINOR, 4258 .name = "sonypi", 4259 .fops = &sonypi_misc_fops, 4260 }; 4261 4262 static void sonypi_compat_report_event(u8 event) 4263 { 4264 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4265 sizeof(event), &sonypi_compat.fifo_lock); 4266 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4267 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4268 } 4269 4270 static int sonypi_compat_init(void) 4271 { 4272 int error; 4273 4274 spin_lock_init(&sonypi_compat.fifo_lock); 4275 error = 4276 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4277 if (error) { 4278 pr_err("kfifo_alloc failed\n"); 4279 return error; 4280 } 4281 4282 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4283 4284 if (minor != -1) 4285 sonypi_misc_device.minor = minor; 4286 error = misc_register(&sonypi_misc_device); 4287 if (error) { 4288 pr_err("misc_register failed\n"); 4289 goto err_free_kfifo; 4290 } 4291 if (minor == -1) 4292 pr_info("device allocated minor is %d\n", 4293 sonypi_misc_device.minor); 4294 4295 return 0; 4296 4297 err_free_kfifo: 4298 kfifo_free(&sonypi_compat.fifo); 4299 return error; 4300 } 4301 4302 static void sonypi_compat_exit(void) 4303 { 4304 misc_deregister(&sonypi_misc_device); 4305 kfifo_free(&sonypi_compat.fifo); 4306 } 4307 #else 4308 static int sonypi_compat_init(void) { return 0; } 4309 static void sonypi_compat_exit(void) { } 4310 static void sonypi_compat_report_event(u8 event) { } 4311 #endif /* CONFIG_SONYPI_COMPAT */ 4312 4313 /* 4314 * ACPI callbacks 4315 */ 4316 static acpi_status 4317 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4318 { 4319 u32 i; 4320 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4321 4322 switch (resource->type) { 4323 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4324 { 4325 /* start IO enumeration */ 4326 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4327 if (!ioport) 4328 return AE_ERROR; 4329 4330 list_add(&ioport->list, &dev->ioports); 4331 return AE_OK; 4332 } 4333 4334 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4335 /* end IO enumeration */ 4336 return AE_OK; 4337 4338 case ACPI_RESOURCE_TYPE_IRQ: 4339 { 4340 struct acpi_resource_irq *p = &resource->data.irq; 4341 struct sony_pic_irq *interrupt = NULL; 4342 if (!p || !p->interrupt_count) { 4343 /* 4344 * IRQ descriptors may have no IRQ# bits set, 4345 * particularly those those w/ _STA disabled 4346 */ 4347 dprintk("Blank IRQ resource\n"); 4348 return AE_OK; 4349 } 4350 for (i = 0; i < p->interrupt_count; i++) { 4351 if (!p->interrupts[i]) { 4352 pr_warn("Invalid IRQ %d\n", 4353 p->interrupts[i]); 4354 continue; 4355 } 4356 interrupt = kzalloc(sizeof(*interrupt), 4357 GFP_KERNEL); 4358 if (!interrupt) 4359 return AE_ERROR; 4360 4361 list_add(&interrupt->list, &dev->interrupts); 4362 interrupt->irq.triggering = p->triggering; 4363 interrupt->irq.polarity = p->polarity; 4364 interrupt->irq.sharable = p->sharable; 4365 interrupt->irq.interrupt_count = 1; 4366 interrupt->irq.interrupts[0] = p->interrupts[i]; 4367 } 4368 return AE_OK; 4369 } 4370 case ACPI_RESOURCE_TYPE_IO: 4371 { 4372 struct acpi_resource_io *io = &resource->data.io; 4373 struct sony_pic_ioport *ioport = 4374 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4375 if (!io) { 4376 dprintk("Blank IO resource\n"); 4377 return AE_OK; 4378 } 4379 4380 if (!ioport->io1.minimum) { 4381 memcpy(&ioport->io1, io, sizeof(*io)); 4382 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4383 ioport->io1.address_length); 4384 } 4385 else if (!ioport->io2.minimum) { 4386 memcpy(&ioport->io2, io, sizeof(*io)); 4387 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4388 ioport->io2.address_length); 4389 } 4390 else { 4391 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4392 return AE_ERROR; 4393 } 4394 return AE_OK; 4395 } 4396 default: 4397 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4398 resource->type); 4399 4400 case ACPI_RESOURCE_TYPE_END_TAG: 4401 return AE_OK; 4402 } 4403 return AE_CTRL_TERMINATE; 4404 } 4405 4406 static int sony_pic_possible_resources(struct acpi_device *device) 4407 { 4408 int result = 0; 4409 acpi_status status = AE_OK; 4410 4411 if (!device) 4412 return -EINVAL; 4413 4414 /* get device status */ 4415 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4416 dprintk("Evaluating _STA\n"); 4417 result = acpi_bus_get_status(device); 4418 if (result) { 4419 pr_warn("Unable to read status\n"); 4420 goto end; 4421 } 4422 4423 if (!device->status.enabled) 4424 dprintk("Device disabled\n"); 4425 else 4426 dprintk("Device enabled\n"); 4427 4428 /* 4429 * Query and parse 'method' 4430 */ 4431 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4432 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4433 sony_pic_read_possible_resource, &spic_dev); 4434 if (ACPI_FAILURE(status)) { 4435 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4436 result = -ENODEV; 4437 } 4438 end: 4439 return result; 4440 } 4441 4442 /* 4443 * Disable the spic device by calling its _DIS method 4444 */ 4445 static int sony_pic_disable(struct acpi_device *device) 4446 { 4447 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4448 NULL); 4449 4450 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4451 return -ENXIO; 4452 4453 dprintk("Device disabled\n"); 4454 return 0; 4455 } 4456 4457 4458 /* 4459 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4460 * 4461 * Call _SRS to set current resources 4462 */ 4463 static int sony_pic_enable(struct acpi_device *device, 4464 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4465 { 4466 acpi_status status; 4467 int result = 0; 4468 /* Type 1 resource layout is: 4469 * IO 4470 * IO 4471 * IRQNoFlags 4472 * End 4473 * 4474 * Type 2 and 3 resource layout is: 4475 * IO 4476 * IRQNoFlags 4477 * End 4478 */ 4479 struct { 4480 struct acpi_resource res1; 4481 struct acpi_resource res2; 4482 struct acpi_resource res3; 4483 struct acpi_resource res4; 4484 } *resource; 4485 struct acpi_buffer buffer = { 0, NULL }; 4486 4487 if (!ioport || !irq) 4488 return -EINVAL; 4489 4490 /* init acpi_buffer */ 4491 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4492 if (!resource) 4493 return -ENOMEM; 4494 4495 buffer.length = sizeof(*resource) + 1; 4496 buffer.pointer = resource; 4497 4498 /* setup Type 1 resources */ 4499 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4500 4501 /* setup io resources */ 4502 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4503 resource->res1.length = sizeof(struct acpi_resource); 4504 memcpy(&resource->res1.data.io, &ioport->io1, 4505 sizeof(struct acpi_resource_io)); 4506 4507 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4508 resource->res2.length = sizeof(struct acpi_resource); 4509 memcpy(&resource->res2.data.io, &ioport->io2, 4510 sizeof(struct acpi_resource_io)); 4511 4512 /* setup irq resource */ 4513 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4514 resource->res3.length = sizeof(struct acpi_resource); 4515 memcpy(&resource->res3.data.irq, &irq->irq, 4516 sizeof(struct acpi_resource_irq)); 4517 /* we requested a shared irq */ 4518 resource->res3.data.irq.sharable = ACPI_SHARED; 4519 4520 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4521 resource->res4.length = sizeof(struct acpi_resource); 4522 } 4523 /* setup Type 2/3 resources */ 4524 else { 4525 /* setup io resource */ 4526 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4527 resource->res1.length = sizeof(struct acpi_resource); 4528 memcpy(&resource->res1.data.io, &ioport->io1, 4529 sizeof(struct acpi_resource_io)); 4530 4531 /* setup irq resource */ 4532 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4533 resource->res2.length = sizeof(struct acpi_resource); 4534 memcpy(&resource->res2.data.irq, &irq->irq, 4535 sizeof(struct acpi_resource_irq)); 4536 /* we requested a shared irq */ 4537 resource->res2.data.irq.sharable = ACPI_SHARED; 4538 4539 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4540 resource->res3.length = sizeof(struct acpi_resource); 4541 } 4542 4543 /* Attempt to set the resource */ 4544 dprintk("Evaluating _SRS\n"); 4545 status = acpi_set_current_resources(device->handle, &buffer); 4546 4547 /* check for total failure */ 4548 if (ACPI_FAILURE(status)) { 4549 pr_err("Error evaluating _SRS\n"); 4550 result = -ENODEV; 4551 goto end; 4552 } 4553 4554 /* Necessary device initializations calls (from sonypi) */ 4555 sony_pic_call1(0x82); 4556 sony_pic_call2(0x81, 0xff); 4557 sony_pic_call1(compat ? 0x92 : 0x82); 4558 4559 end: 4560 kfree(resource); 4561 return result; 4562 } 4563 4564 /***************** 4565 * 4566 * ISR: some event is available 4567 * 4568 *****************/ 4569 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4570 { 4571 int i, j; 4572 u8 ev = 0; 4573 u8 data_mask = 0; 4574 u8 device_event = 0; 4575 4576 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4577 4578 ev = inb_p(dev->cur_ioport->io1.minimum); 4579 if (dev->cur_ioport->io2.minimum) 4580 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4581 else 4582 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4583 dev->evport_offset); 4584 4585 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4586 ev, data_mask, dev->cur_ioport->io1.minimum, 4587 dev->evport_offset); 4588 4589 if (ev == 0x00 || ev == 0xff) 4590 return IRQ_HANDLED; 4591 4592 for (i = 0; dev->event_types[i].mask; i++) { 4593 4594 if ((data_mask & dev->event_types[i].data) != 4595 dev->event_types[i].data) 4596 continue; 4597 4598 if (!(mask & dev->event_types[i].mask)) 4599 continue; 4600 4601 for (j = 0; dev->event_types[i].events[j].event; j++) { 4602 if (ev == dev->event_types[i].events[j].data) { 4603 device_event = 4604 dev->event_types[i].events[j].event; 4605 /* some events may require ignoring */ 4606 if (!device_event) 4607 return IRQ_HANDLED; 4608 goto found; 4609 } 4610 } 4611 } 4612 /* Still not able to decode the event try to pass 4613 * it over to the minidriver 4614 */ 4615 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4616 return IRQ_HANDLED; 4617 4618 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4619 ev, data_mask, dev->cur_ioport->io1.minimum, 4620 dev->evport_offset); 4621 return IRQ_HANDLED; 4622 4623 found: 4624 sony_laptop_report_input_event(device_event); 4625 sonypi_compat_report_event(device_event); 4626 return IRQ_HANDLED; 4627 } 4628 4629 /***************** 4630 * 4631 * ACPI driver 4632 * 4633 *****************/ 4634 static int sony_pic_remove(struct acpi_device *device) 4635 { 4636 struct sony_pic_ioport *io, *tmp_io; 4637 struct sony_pic_irq *irq, *tmp_irq; 4638 4639 if (sony_pic_disable(device)) { 4640 pr_err("Couldn't disable device\n"); 4641 return -ENXIO; 4642 } 4643 4644 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4645 release_region(spic_dev.cur_ioport->io1.minimum, 4646 spic_dev.cur_ioport->io1.address_length); 4647 if (spic_dev.cur_ioport->io2.minimum) 4648 release_region(spic_dev.cur_ioport->io2.minimum, 4649 spic_dev.cur_ioport->io2.address_length); 4650 4651 sonypi_compat_exit(); 4652 4653 sony_laptop_remove_input(); 4654 4655 /* pf attrs */ 4656 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4657 sony_pf_remove(); 4658 4659 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4660 list_del(&io->list); 4661 kfree(io); 4662 } 4663 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4664 list_del(&irq->list); 4665 kfree(irq); 4666 } 4667 spic_dev.cur_ioport = NULL; 4668 spic_dev.cur_irq = NULL; 4669 4670 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4671 return 0; 4672 } 4673 4674 static int sony_pic_add(struct acpi_device *device) 4675 { 4676 int result; 4677 struct sony_pic_ioport *io, *tmp_io; 4678 struct sony_pic_irq *irq, *tmp_irq; 4679 4680 spic_dev.acpi_dev = device; 4681 strcpy(acpi_device_class(device), "sony/hotkey"); 4682 sony_pic_detect_device_type(&spic_dev); 4683 mutex_init(&spic_dev.lock); 4684 4685 /* read _PRS resources */ 4686 result = sony_pic_possible_resources(device); 4687 if (result) { 4688 pr_err("Unable to read possible resources\n"); 4689 goto err_free_resources; 4690 } 4691 4692 /* setup input devices and helper fifo */ 4693 result = sony_laptop_setup_input(device); 4694 if (result) { 4695 pr_err("Unable to create input devices\n"); 4696 goto err_free_resources; 4697 } 4698 4699 result = sonypi_compat_init(); 4700 if (result) 4701 goto err_remove_input; 4702 4703 /* request io port */ 4704 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4705 if (request_region(io->io1.minimum, io->io1.address_length, 4706 "Sony Programmable I/O Device")) { 4707 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4708 io->io1.minimum, io->io1.maximum, 4709 io->io1.address_length); 4710 /* Type 1 have 2 ioports */ 4711 if (io->io2.minimum) { 4712 if (request_region(io->io2.minimum, 4713 io->io2.address_length, 4714 "Sony Programmable I/O Device")) { 4715 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4716 io->io2.minimum, io->io2.maximum, 4717 io->io2.address_length); 4718 spic_dev.cur_ioport = io; 4719 break; 4720 } 4721 else { 4722 dprintk("Unable to get I/O port2: " 4723 "0x%.4x (0x%.4x) + 0x%.2x\n", 4724 io->io2.minimum, io->io2.maximum, 4725 io->io2.address_length); 4726 release_region(io->io1.minimum, 4727 io->io1.address_length); 4728 } 4729 } 4730 else { 4731 spic_dev.cur_ioport = io; 4732 break; 4733 } 4734 } 4735 } 4736 if (!spic_dev.cur_ioport) { 4737 pr_err("Failed to request_region\n"); 4738 result = -ENODEV; 4739 goto err_remove_compat; 4740 } 4741 4742 /* request IRQ */ 4743 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4744 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4745 0, "sony-laptop", &spic_dev)) { 4746 dprintk("IRQ: %d - triggering: %d - " 4747 "polarity: %d - shr: %d\n", 4748 irq->irq.interrupts[0], 4749 irq->irq.triggering, 4750 irq->irq.polarity, 4751 irq->irq.sharable); 4752 spic_dev.cur_irq = irq; 4753 break; 4754 } 4755 } 4756 if (!spic_dev.cur_irq) { 4757 pr_err("Failed to request_irq\n"); 4758 result = -ENODEV; 4759 goto err_release_region; 4760 } 4761 4762 /* set resource status _SRS */ 4763 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4764 if (result) { 4765 pr_err("Couldn't enable device\n"); 4766 goto err_free_irq; 4767 } 4768 4769 spic_dev.bluetooth_power = -1; 4770 /* create device attributes */ 4771 result = sony_pf_add(); 4772 if (result) 4773 goto err_disable_device; 4774 4775 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4776 if (result) 4777 goto err_remove_pf; 4778 4779 pr_info("SPIC setup done.\n"); 4780 return 0; 4781 4782 err_remove_pf: 4783 sony_pf_remove(); 4784 4785 err_disable_device: 4786 sony_pic_disable(device); 4787 4788 err_free_irq: 4789 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4790 4791 err_release_region: 4792 release_region(spic_dev.cur_ioport->io1.minimum, 4793 spic_dev.cur_ioport->io1.address_length); 4794 if (spic_dev.cur_ioport->io2.minimum) 4795 release_region(spic_dev.cur_ioport->io2.minimum, 4796 spic_dev.cur_ioport->io2.address_length); 4797 4798 err_remove_compat: 4799 sonypi_compat_exit(); 4800 4801 err_remove_input: 4802 sony_laptop_remove_input(); 4803 4804 err_free_resources: 4805 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4806 list_del(&io->list); 4807 kfree(io); 4808 } 4809 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4810 list_del(&irq->list); 4811 kfree(irq); 4812 } 4813 spic_dev.cur_ioport = NULL; 4814 spic_dev.cur_irq = NULL; 4815 4816 return result; 4817 } 4818 4819 #ifdef CONFIG_PM_SLEEP 4820 static int sony_pic_suspend(struct device *dev) 4821 { 4822 if (sony_pic_disable(to_acpi_device(dev))) 4823 return -ENXIO; 4824 return 0; 4825 } 4826 4827 static int sony_pic_resume(struct device *dev) 4828 { 4829 sony_pic_enable(to_acpi_device(dev), 4830 spic_dev.cur_ioport, spic_dev.cur_irq); 4831 return 0; 4832 } 4833 #endif 4834 4835 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4836 4837 static const struct acpi_device_id sony_pic_device_ids[] = { 4838 {SONY_PIC_HID, 0}, 4839 {"", 0}, 4840 }; 4841 4842 static struct acpi_driver sony_pic_driver = { 4843 .name = SONY_PIC_DRIVER_NAME, 4844 .class = SONY_PIC_CLASS, 4845 .ids = sony_pic_device_ids, 4846 .owner = THIS_MODULE, 4847 .ops = { 4848 .add = sony_pic_add, 4849 .remove = sony_pic_remove, 4850 }, 4851 .drv.pm = &sony_pic_pm, 4852 }; 4853 4854 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4855 { 4856 .ident = "Sony Vaio", 4857 .matches = { 4858 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4859 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4860 }, 4861 }, 4862 { 4863 .ident = "Sony Vaio", 4864 .matches = { 4865 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4866 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4867 }, 4868 }, 4869 { } 4870 }; 4871 4872 static int __init sony_laptop_init(void) 4873 { 4874 int result; 4875 4876 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4877 result = acpi_bus_register_driver(&sony_pic_driver); 4878 if (result) { 4879 pr_err("Unable to register SPIC driver\n"); 4880 goto out; 4881 } 4882 spic_drv_registered = 1; 4883 } 4884 4885 result = acpi_bus_register_driver(&sony_nc_driver); 4886 if (result) { 4887 pr_err("Unable to register SNC driver\n"); 4888 goto out_unregister_pic; 4889 } 4890 4891 return 0; 4892 4893 out_unregister_pic: 4894 if (spic_drv_registered) 4895 acpi_bus_unregister_driver(&sony_pic_driver); 4896 out: 4897 return result; 4898 } 4899 4900 static void __exit sony_laptop_exit(void) 4901 { 4902 acpi_bus_unregister_driver(&sony_nc_driver); 4903 if (spic_drv_registered) 4904 acpi_bus_unregister_driver(&sony_pic_driver); 4905 } 4906 4907 module_init(sony_laptop_init); 4908 module_exit(sony_laptop_exit); 4909