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 <linux/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 const 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(struct timer_list *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 timer_setup(&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 int ret; 1208 1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1210 1211 if (event >= 0x90) { 1212 unsigned int result = 0; 1213 unsigned int arg = 0; 1214 unsigned int handle = 0; 1215 unsigned int offset = event - 0x90; 1216 1217 if (offset >= ARRAY_SIZE(handles->cap)) { 1218 pr_err("Event 0x%x outside of capabilities list\n", 1219 event); 1220 return; 1221 } 1222 handle = handles->cap[offset]; 1223 1224 /* list of handles known for generating events */ 1225 switch (handle) { 1226 /* hotkey event */ 1227 case 0x0100: 1228 case 0x0127: 1229 ev_type = HOTKEY; 1230 ret = sony_nc_hotkeys_decode(event, handle); 1231 1232 if (ret > 0) { 1233 sony_laptop_report_input_event(ret); 1234 real_ev = ret; 1235 } 1236 1237 break; 1238 1239 /* wlan switch */ 1240 case 0x0124: 1241 case 0x0135: 1242 /* events on this handle are reported when the 1243 * switch changes position or for battery 1244 * events. We'll notify both of them but only 1245 * update the rfkill device status when the 1246 * switch is moved. 1247 */ 1248 ev_type = KILLSWITCH; 1249 sony_call_snc_handle(handle, 0x0100, &result); 1250 real_ev = result & 0x03; 1251 1252 /* hw switch event */ 1253 if (real_ev == 1) 1254 sony_nc_rfkill_update(); 1255 1256 break; 1257 1258 case 0x0128: 1259 case 0x0146: 1260 /* Hybrid GFX switching */ 1261 sony_call_snc_handle(handle, 0x0000, &result); 1262 dprintk("GFX switch event received (reason: %s)\n", 1263 (result == 0x1) ? "switch change" : 1264 (result == 0x2) ? "output switch" : 1265 (result == 0x3) ? "output switch" : 1266 ""); 1267 1268 ev_type = GFX_SWITCH; 1269 real_ev = __sony_nc_gfx_switch_status_get(); 1270 break; 1271 1272 case 0x015B: 1273 /* Hybrid GFX switching SVS151290S */ 1274 ev_type = GFX_SWITCH; 1275 real_ev = __sony_nc_gfx_switch_status_get(); 1276 break; 1277 default: 1278 dprintk("Unknown event 0x%x for handle 0x%x\n", 1279 event, handle); 1280 break; 1281 } 1282 1283 /* clear the event (and the event reason when present) */ 1284 arg = 1 << offset; 1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1286 1287 } else { 1288 /* old style event */ 1289 ev_type = HOTKEY; 1290 sony_laptop_report_input_event(real_ev); 1291 } 1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1294 } 1295 1296 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1297 void *context, void **return_value) 1298 { 1299 struct acpi_device_info *info; 1300 1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1302 pr_warn("method: name: %4.4s, args %X\n", 1303 (char *)&info->name, info->param_count); 1304 1305 kfree(info); 1306 } 1307 1308 return AE_OK; 1309 } 1310 1311 /* 1312 * ACPI device 1313 */ 1314 static void sony_nc_function_setup(struct acpi_device *device, 1315 struct platform_device *pf_device) 1316 { 1317 unsigned int i, result, bitmask, arg; 1318 1319 if (!handles) 1320 return; 1321 1322 /* setup found handles here */ 1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1324 unsigned int handle = handles->cap[i]; 1325 1326 if (!handle) 1327 continue; 1328 1329 dprintk("setting up handle 0x%.4x\n", handle); 1330 1331 switch (handle) { 1332 case 0x0100: 1333 case 0x0101: 1334 case 0x0127: 1335 /* setup hotkeys */ 1336 sony_call_snc_handle(handle, 0, &result); 1337 break; 1338 case 0x0102: 1339 /* setup hotkeys */ 1340 sony_call_snc_handle(handle, 0x100, &result); 1341 break; 1342 case 0x0105: 1343 case 0x0148: 1344 /* touchpad enable/disable */ 1345 result = sony_nc_touchpad_setup(pf_device, handle); 1346 if (result) 1347 pr_err("couldn't set up touchpad control function (%d)\n", 1348 result); 1349 break; 1350 case 0x0115: 1351 case 0x0136: 1352 case 0x013f: 1353 result = sony_nc_battery_care_setup(pf_device, handle); 1354 if (result) 1355 pr_err("couldn't set up battery care function (%d)\n", 1356 result); 1357 break; 1358 case 0x0119: 1359 case 0x015D: 1360 result = sony_nc_lid_resume_setup(pf_device, handle); 1361 if (result) 1362 pr_err("couldn't set up lid resume function (%d)\n", 1363 result); 1364 break; 1365 case 0x0122: 1366 result = sony_nc_thermal_setup(pf_device); 1367 if (result) 1368 pr_err("couldn't set up thermal profile function (%d)\n", 1369 result); 1370 break; 1371 case 0x0128: 1372 case 0x0146: 1373 case 0x015B: 1374 result = sony_nc_gfx_switch_setup(pf_device, handle); 1375 if (result) 1376 pr_err("couldn't set up GFX Switch status (%d)\n", 1377 result); 1378 break; 1379 case 0x0131: 1380 result = sony_nc_highspeed_charging_setup(pf_device); 1381 if (result) 1382 pr_err("couldn't set up high speed charging function (%d)\n", 1383 result); 1384 break; 1385 case 0x0124: 1386 case 0x0135: 1387 result = sony_nc_rfkill_setup(device, handle); 1388 if (result) 1389 pr_err("couldn't set up rfkill support (%d)\n", 1390 result); 1391 break; 1392 case 0x0137: 1393 case 0x0143: 1394 case 0x014b: 1395 case 0x014c: 1396 case 0x0153: 1397 case 0x0163: 1398 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1399 if (result) 1400 pr_err("couldn't set up keyboard backlight function (%d)\n", 1401 result); 1402 break; 1403 case 0x0121: 1404 result = sony_nc_lowbatt_setup(pf_device); 1405 if (result) 1406 pr_err("couldn't set up low battery function (%d)\n", 1407 result); 1408 break; 1409 case 0x0149: 1410 result = sony_nc_fanspeed_setup(pf_device); 1411 if (result) 1412 pr_err("couldn't set up fan speed function (%d)\n", 1413 result); 1414 break; 1415 case 0x0155: 1416 result = sony_nc_usb_charge_setup(pf_device); 1417 if (result) 1418 pr_err("couldn't set up USB charge support (%d)\n", 1419 result); 1420 break; 1421 case 0x011D: 1422 result = sony_nc_panelid_setup(pf_device); 1423 if (result) 1424 pr_err("couldn't set up panel ID function (%d)\n", 1425 result); 1426 break; 1427 case 0x0168: 1428 result = sony_nc_smart_conn_setup(pf_device); 1429 if (result) 1430 pr_err("couldn't set up smart connect support (%d)\n", 1431 result); 1432 break; 1433 default: 1434 continue; 1435 } 1436 } 1437 1438 /* Enable all events */ 1439 arg = 0x10; 1440 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1441 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1442 &result); 1443 } 1444 1445 static void sony_nc_function_cleanup(struct platform_device *pd) 1446 { 1447 unsigned int i, result, bitmask, handle; 1448 1449 if (!handles) 1450 return; 1451 1452 /* get enabled events and disable them */ 1453 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1454 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1455 1456 /* cleanup handles here */ 1457 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1458 1459 handle = handles->cap[i]; 1460 1461 if (!handle) 1462 continue; 1463 1464 switch (handle) { 1465 case 0x0105: 1466 case 0x0148: 1467 sony_nc_touchpad_cleanup(pd); 1468 break; 1469 case 0x0115: 1470 case 0x0136: 1471 case 0x013f: 1472 sony_nc_battery_care_cleanup(pd); 1473 break; 1474 case 0x0119: 1475 case 0x015D: 1476 sony_nc_lid_resume_cleanup(pd); 1477 break; 1478 case 0x0122: 1479 sony_nc_thermal_cleanup(pd); 1480 break; 1481 case 0x0128: 1482 case 0x0146: 1483 case 0x015B: 1484 sony_nc_gfx_switch_cleanup(pd); 1485 break; 1486 case 0x0131: 1487 sony_nc_highspeed_charging_cleanup(pd); 1488 break; 1489 case 0x0124: 1490 case 0x0135: 1491 sony_nc_rfkill_cleanup(); 1492 break; 1493 case 0x0137: 1494 case 0x0143: 1495 case 0x014b: 1496 case 0x014c: 1497 case 0x0153: 1498 case 0x0163: 1499 sony_nc_kbd_backlight_cleanup(pd, handle); 1500 break; 1501 case 0x0121: 1502 sony_nc_lowbatt_cleanup(pd); 1503 break; 1504 case 0x0149: 1505 sony_nc_fanspeed_cleanup(pd); 1506 break; 1507 case 0x0155: 1508 sony_nc_usb_charge_cleanup(pd); 1509 break; 1510 case 0x011D: 1511 sony_nc_panelid_cleanup(pd); 1512 break; 1513 case 0x0168: 1514 sony_nc_smart_conn_cleanup(pd); 1515 break; 1516 default: 1517 continue; 1518 } 1519 } 1520 1521 /* finally cleanup the handles list */ 1522 sony_nc_handles_cleanup(pd); 1523 } 1524 1525 #ifdef CONFIG_PM_SLEEP 1526 static void sony_nc_function_resume(void) 1527 { 1528 unsigned int i, result, bitmask, arg; 1529 1530 dprintk("Resuming SNC device\n"); 1531 1532 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1533 unsigned int handle = handles->cap[i]; 1534 1535 if (!handle) 1536 continue; 1537 1538 switch (handle) { 1539 case 0x0100: 1540 case 0x0101: 1541 case 0x0127: 1542 /* re-enable hotkeys */ 1543 sony_call_snc_handle(handle, 0, &result); 1544 break; 1545 case 0x0102: 1546 /* re-enable hotkeys */ 1547 sony_call_snc_handle(handle, 0x100, &result); 1548 break; 1549 case 0x0122: 1550 sony_nc_thermal_resume(); 1551 break; 1552 case 0x0124: 1553 case 0x0135: 1554 sony_nc_rfkill_update(); 1555 break; 1556 default: 1557 continue; 1558 } 1559 } 1560 1561 /* Enable all events */ 1562 arg = 0x10; 1563 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1564 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1565 &result); 1566 } 1567 1568 static int sony_nc_resume(struct device *dev) 1569 { 1570 struct sony_nc_value *item; 1571 1572 for (item = sony_nc_values; item->name; item++) { 1573 int ret; 1574 1575 if (!item->valid) 1576 continue; 1577 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1578 &item->value, NULL); 1579 if (ret < 0) { 1580 pr_err("%s: %d\n", __func__, ret); 1581 break; 1582 } 1583 } 1584 1585 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1586 int arg = 1; 1587 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1588 dprintk("ECON Method failed\n"); 1589 } 1590 1591 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1592 sony_nc_function_resume(); 1593 1594 return 0; 1595 } 1596 #endif 1597 1598 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1599 1600 static void sony_nc_rfkill_cleanup(void) 1601 { 1602 int i; 1603 1604 for (i = 0; i < N_SONY_RFKILL; i++) { 1605 if (sony_rfkill_devices[i]) { 1606 rfkill_unregister(sony_rfkill_devices[i]); 1607 rfkill_destroy(sony_rfkill_devices[i]); 1608 } 1609 } 1610 } 1611 1612 static int sony_nc_rfkill_set(void *data, bool blocked) 1613 { 1614 int result; 1615 int argument = sony_rfkill_address[(long) data] + 0x100; 1616 1617 if (!blocked) 1618 argument |= 0x070000; 1619 1620 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1621 } 1622 1623 static const struct rfkill_ops sony_rfkill_ops = { 1624 .set_block = sony_nc_rfkill_set, 1625 }; 1626 1627 static int sony_nc_setup_rfkill(struct acpi_device *device, 1628 enum sony_nc_rfkill nc_type) 1629 { 1630 int err; 1631 struct rfkill *rfk; 1632 enum rfkill_type type; 1633 const char *name; 1634 int result; 1635 bool hwblock, swblock; 1636 1637 switch (nc_type) { 1638 case SONY_WIFI: 1639 type = RFKILL_TYPE_WLAN; 1640 name = "sony-wifi"; 1641 break; 1642 case SONY_BLUETOOTH: 1643 type = RFKILL_TYPE_BLUETOOTH; 1644 name = "sony-bluetooth"; 1645 break; 1646 case SONY_WWAN: 1647 type = RFKILL_TYPE_WWAN; 1648 name = "sony-wwan"; 1649 break; 1650 case SONY_WIMAX: 1651 type = RFKILL_TYPE_WIMAX; 1652 name = "sony-wimax"; 1653 break; 1654 default: 1655 return -EINVAL; 1656 } 1657 1658 rfk = rfkill_alloc(name, &device->dev, type, 1659 &sony_rfkill_ops, (void *)nc_type); 1660 if (!rfk) 1661 return -ENOMEM; 1662 1663 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1664 if (err < 0) { 1665 rfkill_destroy(rfk); 1666 return err; 1667 } 1668 hwblock = !(result & 0x1); 1669 1670 err = sony_call_snc_handle(sony_rfkill_handle, 1671 sony_rfkill_address[nc_type], 1672 &result); 1673 if (err < 0) { 1674 rfkill_destroy(rfk); 1675 return err; 1676 } 1677 swblock = !(result & 0x2); 1678 1679 rfkill_init_sw_state(rfk, swblock); 1680 rfkill_set_hw_state(rfk, hwblock); 1681 1682 err = rfkill_register(rfk); 1683 if (err) { 1684 rfkill_destroy(rfk); 1685 return err; 1686 } 1687 sony_rfkill_devices[nc_type] = rfk; 1688 return err; 1689 } 1690 1691 static void sony_nc_rfkill_update(void) 1692 { 1693 enum sony_nc_rfkill i; 1694 int result; 1695 bool hwblock; 1696 1697 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1698 hwblock = !(result & 0x1); 1699 1700 for (i = 0; i < N_SONY_RFKILL; i++) { 1701 int argument = sony_rfkill_address[i]; 1702 1703 if (!sony_rfkill_devices[i]) 1704 continue; 1705 1706 if (hwblock) { 1707 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1708 /* we already know we're blocked */ 1709 } 1710 continue; 1711 } 1712 1713 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1714 rfkill_set_states(sony_rfkill_devices[i], 1715 !(result & 0x2), false); 1716 } 1717 } 1718 1719 static int sony_nc_rfkill_setup(struct acpi_device *device, 1720 unsigned int handle) 1721 { 1722 u64 offset; 1723 int i; 1724 unsigned char buffer[32] = { 0 }; 1725 1726 offset = sony_find_snc_handle(handle); 1727 sony_rfkill_handle = handle; 1728 1729 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1730 32); 1731 if (i < 0) 1732 return i; 1733 1734 /* The buffer is filled with magic numbers describing the devices 1735 * available, 0xff terminates the enumeration. 1736 * Known codes: 1737 * 0x00 WLAN 1738 * 0x10 BLUETOOTH 1739 * 0x20 WWAN GPRS-EDGE 1740 * 0x21 WWAN HSDPA 1741 * 0x22 WWAN EV-DO 1742 * 0x23 WWAN GPS 1743 * 0x25 Gobi WWAN no GPS 1744 * 0x26 Gobi WWAN + GPS 1745 * 0x28 Gobi WWAN no GPS 1746 * 0x29 Gobi WWAN + GPS 1747 * 0x30 WIMAX 1748 * 0x50 Gobi WWAN no GPS 1749 * 0x51 Gobi WWAN + GPS 1750 * 0x70 no SIM card slot 1751 * 0x71 SIM card slot 1752 */ 1753 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1754 1755 if (buffer[i] == 0xff) 1756 break; 1757 1758 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1759 1760 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1761 sony_nc_setup_rfkill(device, SONY_WIFI); 1762 1763 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1764 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1765 1766 if (((0xf0 & buffer[i]) == 0x20 || 1767 (0xf0 & buffer[i]) == 0x50) && 1768 !sony_rfkill_devices[SONY_WWAN]) 1769 sony_nc_setup_rfkill(device, SONY_WWAN); 1770 1771 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1772 sony_nc_setup_rfkill(device, SONY_WIMAX); 1773 } 1774 return 0; 1775 } 1776 1777 /* Keyboard backlight feature */ 1778 struct kbd_backlight { 1779 unsigned int handle; 1780 unsigned int base; 1781 unsigned int mode; 1782 unsigned int timeout; 1783 unsigned int has_timeout; 1784 struct device_attribute mode_attr; 1785 struct device_attribute timeout_attr; 1786 }; 1787 1788 static struct kbd_backlight *kbdbl_ctl; 1789 1790 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1791 { 1792 int result; 1793 1794 if (value > 2) 1795 return -EINVAL; 1796 1797 if (sony_call_snc_handle(kbdbl_ctl->handle, 1798 (value << 0x10) | (kbdbl_ctl->base), &result)) 1799 return -EIO; 1800 1801 /* Try to turn the light on/off immediately */ 1802 if (value != 1) 1803 sony_call_snc_handle(kbdbl_ctl->handle, 1804 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1805 &result); 1806 1807 kbdbl_ctl->mode = value; 1808 1809 return 0; 1810 } 1811 1812 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1813 struct device_attribute *attr, 1814 const char *buffer, size_t count) 1815 { 1816 int ret = 0; 1817 unsigned long value; 1818 1819 if (count > 31) 1820 return -EINVAL; 1821 1822 if (kstrtoul(buffer, 10, &value)) 1823 return -EINVAL; 1824 1825 ret = __sony_nc_kbd_backlight_mode_set(value); 1826 if (ret < 0) 1827 return ret; 1828 1829 return count; 1830 } 1831 1832 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1833 struct device_attribute *attr, char *buffer) 1834 { 1835 ssize_t count = 0; 1836 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1837 return count; 1838 } 1839 1840 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1841 { 1842 int result; 1843 1844 if (value > 3) 1845 return -EINVAL; 1846 1847 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1848 (kbdbl_ctl->base + 0x200), &result)) 1849 return -EIO; 1850 1851 kbdbl_ctl->timeout = value; 1852 1853 return 0; 1854 } 1855 1856 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1857 struct device_attribute *attr, 1858 const char *buffer, size_t count) 1859 { 1860 int ret = 0; 1861 unsigned long value; 1862 1863 if (count > 31) 1864 return -EINVAL; 1865 1866 if (kstrtoul(buffer, 10, &value)) 1867 return -EINVAL; 1868 1869 ret = __sony_nc_kbd_backlight_timeout_set(value); 1870 if (ret < 0) 1871 return ret; 1872 1873 return count; 1874 } 1875 1876 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1877 struct device_attribute *attr, char *buffer) 1878 { 1879 ssize_t count = 0; 1880 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1881 return count; 1882 } 1883 1884 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1885 unsigned int handle) 1886 { 1887 int result; 1888 int probe_base = 0; 1889 int ctl_base = 0; 1890 int ret = 0; 1891 1892 if (kbdbl_ctl) { 1893 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1894 handle, kbdbl_ctl->handle); 1895 return -EBUSY; 1896 } 1897 1898 /* verify the kbd backlight presence, some of these handles are not used 1899 * for keyboard backlight only 1900 */ 1901 switch (handle) { 1902 case 0x0153: 1903 probe_base = 0x0; 1904 ctl_base = 0x0; 1905 break; 1906 case 0x0137: 1907 probe_base = 0x0B00; 1908 ctl_base = 0x0C00; 1909 break; 1910 default: 1911 probe_base = 0x0100; 1912 ctl_base = 0x4000; 1913 break; 1914 } 1915 1916 ret = sony_call_snc_handle(handle, probe_base, &result); 1917 if (ret) 1918 return ret; 1919 1920 if ((handle == 0x0137 && !(result & 0x02)) || 1921 !(result & 0x01)) { 1922 dprintk("no backlight keyboard found\n"); 1923 return 0; 1924 } 1925 1926 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1927 if (!kbdbl_ctl) 1928 return -ENOMEM; 1929 1930 kbdbl_ctl->mode = kbd_backlight; 1931 kbdbl_ctl->timeout = kbd_backlight_timeout; 1932 kbdbl_ctl->handle = handle; 1933 kbdbl_ctl->base = ctl_base; 1934 /* Some models do not allow timeout control */ 1935 kbdbl_ctl->has_timeout = handle != 0x0153; 1936 1937 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1938 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1939 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1940 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1941 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1942 1943 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1944 if (ret) 1945 goto outkzalloc; 1946 1947 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1948 1949 if (kbdbl_ctl->has_timeout) { 1950 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1951 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1952 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1953 kbdbl_ctl->timeout_attr.show = 1954 sony_nc_kbd_backlight_timeout_show; 1955 kbdbl_ctl->timeout_attr.store = 1956 sony_nc_kbd_backlight_timeout_store; 1957 1958 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1959 if (ret) 1960 goto outmode; 1961 1962 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1963 } 1964 1965 1966 return 0; 1967 1968 outmode: 1969 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1970 outkzalloc: 1971 kfree(kbdbl_ctl); 1972 kbdbl_ctl = NULL; 1973 return ret; 1974 } 1975 1976 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1977 unsigned int handle) 1978 { 1979 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1980 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1981 if (kbdbl_ctl->has_timeout) 1982 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1983 kfree(kbdbl_ctl); 1984 kbdbl_ctl = NULL; 1985 } 1986 } 1987 1988 struct battery_care_control { 1989 struct device_attribute attrs[2]; 1990 unsigned int handle; 1991 }; 1992 static struct battery_care_control *bcare_ctl; 1993 1994 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1995 struct device_attribute *attr, 1996 const char *buffer, size_t count) 1997 { 1998 unsigned int result, cmd; 1999 unsigned long value; 2000 2001 if (count > 31) 2002 return -EINVAL; 2003 2004 if (kstrtoul(buffer, 10, &value)) 2005 return -EINVAL; 2006 2007 /* limit values (2 bits): 2008 * 00 - none 2009 * 01 - 80% 2010 * 10 - 50% 2011 * 11 - 100% 2012 * 2013 * bit 0: 0 disable BCL, 1 enable BCL 2014 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 2015 * bits 2,3: reserved 2016 * bits 4,5: store the limit into the EC 2017 * bits 6,7: store the limit into the battery 2018 */ 2019 cmd = 0; 2020 2021 if (value > 0) { 2022 if (value <= 50) 2023 cmd = 0x20; 2024 2025 else if (value <= 80) 2026 cmd = 0x10; 2027 2028 else if (value <= 100) 2029 cmd = 0x30; 2030 2031 else 2032 return -EINVAL; 2033 2034 /* 2035 * handle 0x0115 should allow storing on battery too; 2036 * handle 0x0136 same as 0x0115 + health status; 2037 * handle 0x013f, same as 0x0136 but no storing on the battery 2038 */ 2039 if (bcare_ctl->handle != 0x013f) 2040 cmd = cmd | (cmd << 2); 2041 2042 cmd = (cmd | 0x1) << 0x10; 2043 } 2044 2045 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2046 return -EIO; 2047 2048 return count; 2049 } 2050 2051 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2052 struct device_attribute *attr, char *buffer) 2053 { 2054 unsigned int result, status; 2055 2056 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2057 return -EIO; 2058 2059 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2060 switch (status) { 2061 case 1: 2062 status = 80; 2063 break; 2064 case 2: 2065 status = 50; 2066 break; 2067 case 3: 2068 status = 100; 2069 break; 2070 default: 2071 status = 0; 2072 break; 2073 } 2074 2075 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2076 } 2077 2078 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2079 struct device_attribute *attr, char *buffer) 2080 { 2081 ssize_t count = 0; 2082 unsigned int health; 2083 2084 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2085 return -EIO; 2086 2087 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2088 2089 return count; 2090 } 2091 2092 static int sony_nc_battery_care_setup(struct platform_device *pd, 2093 unsigned int handle) 2094 { 2095 int ret = 0; 2096 2097 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2098 if (!bcare_ctl) 2099 return -ENOMEM; 2100 2101 bcare_ctl->handle = handle; 2102 2103 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2104 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2105 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2106 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2107 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2108 2109 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2110 if (ret) 2111 goto outkzalloc; 2112 2113 /* 0x0115 is for models with no health reporting capability */ 2114 if (handle == 0x0115) 2115 return 0; 2116 2117 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2118 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2119 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2120 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2121 2122 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2123 if (ret) 2124 goto outlimiter; 2125 2126 return 0; 2127 2128 outlimiter: 2129 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2130 2131 outkzalloc: 2132 kfree(bcare_ctl); 2133 bcare_ctl = NULL; 2134 2135 return ret; 2136 } 2137 2138 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2139 { 2140 if (bcare_ctl) { 2141 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2142 if (bcare_ctl->handle != 0x0115) 2143 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2144 2145 kfree(bcare_ctl); 2146 bcare_ctl = NULL; 2147 } 2148 } 2149 2150 struct snc_thermal_ctrl { 2151 unsigned int mode; 2152 unsigned int profiles; 2153 struct device_attribute mode_attr; 2154 struct device_attribute profiles_attr; 2155 }; 2156 static struct snc_thermal_ctrl *th_handle; 2157 2158 #define THM_PROFILE_MAX 3 2159 static const char * const snc_thermal_profiles[] = { 2160 "balanced", 2161 "silent", 2162 "performance" 2163 }; 2164 2165 static int sony_nc_thermal_mode_set(unsigned short mode) 2166 { 2167 unsigned int result; 2168 2169 /* the thermal profile seems to be a two bit bitmask: 2170 * lsb -> silent 2171 * msb -> performance 2172 * no bit set is the normal operation and is always valid 2173 * Some vaio models only have "balanced" and "performance" 2174 */ 2175 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2176 return -EINVAL; 2177 2178 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2179 return -EIO; 2180 2181 th_handle->mode = mode; 2182 2183 return 0; 2184 } 2185 2186 static int sony_nc_thermal_mode_get(void) 2187 { 2188 unsigned int result; 2189 2190 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2191 return -EIO; 2192 2193 return result & 0xff; 2194 } 2195 2196 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2197 struct device_attribute *attr, char *buffer) 2198 { 2199 short cnt; 2200 size_t idx = 0; 2201 2202 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2203 if (!cnt || (th_handle->profiles & cnt)) 2204 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2205 snc_thermal_profiles[cnt]); 2206 } 2207 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2208 2209 return idx; 2210 } 2211 2212 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2213 struct device_attribute *attr, 2214 const char *buffer, size_t count) 2215 { 2216 unsigned short cmd; 2217 size_t len = count; 2218 2219 if (count == 0) 2220 return -EINVAL; 2221 2222 /* skip the newline if present */ 2223 if (buffer[len - 1] == '\n') 2224 len--; 2225 2226 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2227 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2228 break; 2229 2230 if (sony_nc_thermal_mode_set(cmd)) 2231 return -EIO; 2232 2233 return count; 2234 } 2235 2236 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2237 struct device_attribute *attr, char *buffer) 2238 { 2239 ssize_t count = 0; 2240 int mode = sony_nc_thermal_mode_get(); 2241 2242 if (mode < 0) 2243 return mode; 2244 2245 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2246 2247 return count; 2248 } 2249 2250 static int sony_nc_thermal_setup(struct platform_device *pd) 2251 { 2252 int ret = 0; 2253 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2254 if (!th_handle) 2255 return -ENOMEM; 2256 2257 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2258 if (ret) { 2259 pr_warn("couldn't to read the thermal profiles\n"); 2260 goto outkzalloc; 2261 } 2262 2263 ret = sony_nc_thermal_mode_get(); 2264 if (ret < 0) { 2265 pr_warn("couldn't to read the current thermal profile"); 2266 goto outkzalloc; 2267 } 2268 th_handle->mode = ret; 2269 2270 sysfs_attr_init(&th_handle->profiles_attr.attr); 2271 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2272 th_handle->profiles_attr.attr.mode = S_IRUGO; 2273 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2274 2275 sysfs_attr_init(&th_handle->mode_attr.attr); 2276 th_handle->mode_attr.attr.name = "thermal_control"; 2277 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2278 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2279 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2280 2281 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2282 if (ret) 2283 goto outkzalloc; 2284 2285 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2286 if (ret) 2287 goto outprofiles; 2288 2289 return 0; 2290 2291 outprofiles: 2292 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2293 outkzalloc: 2294 kfree(th_handle); 2295 th_handle = NULL; 2296 return ret; 2297 } 2298 2299 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2300 { 2301 if (th_handle) { 2302 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2303 device_remove_file(&pd->dev, &th_handle->mode_attr); 2304 kfree(th_handle); 2305 th_handle = NULL; 2306 } 2307 } 2308 2309 #ifdef CONFIG_PM_SLEEP 2310 static void sony_nc_thermal_resume(void) 2311 { 2312 unsigned int status = sony_nc_thermal_mode_get(); 2313 2314 if (status != th_handle->mode) 2315 sony_nc_thermal_mode_set(th_handle->mode); 2316 } 2317 #endif 2318 2319 /* resume on LID open */ 2320 #define LID_RESUME_S5 0 2321 #define LID_RESUME_S4 1 2322 #define LID_RESUME_S3 2 2323 #define LID_RESUME_MAX 3 2324 struct snc_lid_resume_control { 2325 struct device_attribute attrs[LID_RESUME_MAX]; 2326 unsigned int status; 2327 int handle; 2328 }; 2329 static struct snc_lid_resume_control *lid_ctl; 2330 2331 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2332 struct device_attribute *attr, 2333 const char *buffer, size_t count) 2334 { 2335 unsigned int result; 2336 unsigned long value; 2337 unsigned int pos = LID_RESUME_S5; 2338 if (count > 31) 2339 return -EINVAL; 2340 2341 if (kstrtoul(buffer, 10, &value) || value > 1) 2342 return -EINVAL; 2343 2344 /* the value we have to write to SNC is a bitmask: 2345 * +--------------+ 2346 * | S3 | S4 | S5 | 2347 * +--------------+ 2348 * 2 1 0 2349 */ 2350 while (pos < LID_RESUME_MAX) { 2351 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2352 break; 2353 pos++; 2354 } 2355 if (pos == LID_RESUME_MAX) 2356 return -EINVAL; 2357 2358 if (value) 2359 value = lid_ctl->status | (1 << pos); 2360 else 2361 value = lid_ctl->status & ~(1 << pos); 2362 2363 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2364 &result)) 2365 return -EIO; 2366 2367 lid_ctl->status = value; 2368 2369 return count; 2370 } 2371 2372 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2373 struct device_attribute *attr, 2374 char *buffer) 2375 { 2376 unsigned int pos = LID_RESUME_S5; 2377 2378 while (pos < LID_RESUME_MAX) { 2379 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2380 return snprintf(buffer, PAGE_SIZE, "%d\n", 2381 (lid_ctl->status >> pos) & 0x01); 2382 pos++; 2383 } 2384 return -EINVAL; 2385 } 2386 2387 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2388 unsigned int handle) 2389 { 2390 unsigned int result; 2391 int i; 2392 2393 if (sony_call_snc_handle(handle, 0x0000, &result)) 2394 return -EIO; 2395 2396 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2397 if (!lid_ctl) 2398 return -ENOMEM; 2399 2400 lid_ctl->status = result & 0x7; 2401 lid_ctl->handle = handle; 2402 2403 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2404 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2405 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2406 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2407 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2408 2409 if (handle == 0x0119) { 2410 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2411 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2412 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2413 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2414 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2415 2416 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2417 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2418 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2419 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2420 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2421 } 2422 for (i = 0; i < LID_RESUME_MAX && 2423 lid_ctl->attrs[i].attr.name; i++) { 2424 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2425 if (result) 2426 goto liderror; 2427 } 2428 2429 return 0; 2430 2431 liderror: 2432 for (i--; i >= 0; i--) 2433 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2434 2435 kfree(lid_ctl); 2436 lid_ctl = NULL; 2437 2438 return result; 2439 } 2440 2441 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2442 { 2443 int i; 2444 2445 if (lid_ctl) { 2446 for (i = 0; i < LID_RESUME_MAX; i++) { 2447 if (!lid_ctl->attrs[i].attr.name) 2448 break; 2449 2450 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2451 } 2452 2453 kfree(lid_ctl); 2454 lid_ctl = NULL; 2455 } 2456 } 2457 2458 /* GFX Switch position */ 2459 enum gfx_switch { 2460 SPEED, 2461 STAMINA, 2462 AUTO 2463 }; 2464 struct snc_gfx_switch_control { 2465 struct device_attribute attr; 2466 unsigned int handle; 2467 }; 2468 static struct snc_gfx_switch_control *gfxs_ctl; 2469 2470 /* returns 0 for speed, 1 for stamina */ 2471 static int __sony_nc_gfx_switch_status_get(void) 2472 { 2473 unsigned int result; 2474 2475 if (sony_call_snc_handle(gfxs_ctl->handle, 2476 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2477 &result)) 2478 return -EIO; 2479 2480 switch (gfxs_ctl->handle) { 2481 case 0x0146: 2482 /* 1: discrete GFX (speed) 2483 * 0: integrated GFX (stamina) 2484 */ 2485 return result & 0x1 ? SPEED : STAMINA; 2486 break; 2487 case 0x015B: 2488 /* 0: discrete GFX (speed) 2489 * 1: integrated GFX (stamina) 2490 */ 2491 return result & 0x1 ? STAMINA : SPEED; 2492 break; 2493 case 0x0128: 2494 /* it's a more elaborated bitmask, for now: 2495 * 2: integrated GFX (stamina) 2496 * 0: discrete GFX (speed) 2497 */ 2498 dprintk("GFX Status: 0x%x\n", result); 2499 return result & 0x80 ? AUTO : 2500 result & 0x02 ? STAMINA : SPEED; 2501 break; 2502 } 2503 return -EINVAL; 2504 } 2505 2506 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2507 struct device_attribute *attr, 2508 char *buffer) 2509 { 2510 int pos = __sony_nc_gfx_switch_status_get(); 2511 2512 if (pos < 0) 2513 return pos; 2514 2515 return snprintf(buffer, PAGE_SIZE, "%s\n", 2516 pos == SPEED ? "speed" : 2517 pos == STAMINA ? "stamina" : 2518 pos == AUTO ? "auto" : "unknown"); 2519 } 2520 2521 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2522 unsigned int handle) 2523 { 2524 unsigned int result; 2525 2526 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2527 if (!gfxs_ctl) 2528 return -ENOMEM; 2529 2530 gfxs_ctl->handle = handle; 2531 2532 sysfs_attr_init(&gfxs_ctl->attr.attr); 2533 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2534 gfxs_ctl->attr.attr.mode = S_IRUGO; 2535 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2536 2537 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2538 if (result) 2539 goto gfxerror; 2540 2541 return 0; 2542 2543 gfxerror: 2544 kfree(gfxs_ctl); 2545 gfxs_ctl = NULL; 2546 2547 return result; 2548 } 2549 2550 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2551 { 2552 if (gfxs_ctl) { 2553 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2554 2555 kfree(gfxs_ctl); 2556 gfxs_ctl = NULL; 2557 } 2558 } 2559 2560 /* High speed charging function */ 2561 static struct device_attribute *hsc_handle; 2562 2563 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2564 struct device_attribute *attr, 2565 const char *buffer, size_t count) 2566 { 2567 unsigned int result; 2568 unsigned long value; 2569 2570 if (count > 31) 2571 return -EINVAL; 2572 2573 if (kstrtoul(buffer, 10, &value) || value > 1) 2574 return -EINVAL; 2575 2576 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2577 return -EIO; 2578 2579 return count; 2580 } 2581 2582 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2583 struct device_attribute *attr, char *buffer) 2584 { 2585 unsigned int result; 2586 2587 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2588 return -EIO; 2589 2590 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2591 } 2592 2593 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2594 { 2595 unsigned int result; 2596 2597 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2598 /* some models advertise the handle but have no implementation 2599 * for it 2600 */ 2601 pr_info("No High Speed Charging capability found\n"); 2602 return 0; 2603 } 2604 2605 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2606 if (!hsc_handle) 2607 return -ENOMEM; 2608 2609 sysfs_attr_init(&hsc_handle->attr); 2610 hsc_handle->attr.name = "battery_highspeed_charging"; 2611 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2612 hsc_handle->show = sony_nc_highspeed_charging_show; 2613 hsc_handle->store = sony_nc_highspeed_charging_store; 2614 2615 result = device_create_file(&pd->dev, hsc_handle); 2616 if (result) { 2617 kfree(hsc_handle); 2618 hsc_handle = NULL; 2619 return result; 2620 } 2621 2622 return 0; 2623 } 2624 2625 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2626 { 2627 if (hsc_handle) { 2628 device_remove_file(&pd->dev, hsc_handle); 2629 kfree(hsc_handle); 2630 hsc_handle = NULL; 2631 } 2632 } 2633 2634 /* low battery function */ 2635 static struct device_attribute *lowbatt_handle; 2636 2637 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2638 struct device_attribute *attr, 2639 const char *buffer, size_t count) 2640 { 2641 unsigned int result; 2642 unsigned long value; 2643 2644 if (count > 31) 2645 return -EINVAL; 2646 2647 if (kstrtoul(buffer, 10, &value) || value > 1) 2648 return -EINVAL; 2649 2650 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2651 return -EIO; 2652 2653 return count; 2654 } 2655 2656 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2657 struct device_attribute *attr, char *buffer) 2658 { 2659 unsigned int result; 2660 2661 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2662 return -EIO; 2663 2664 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2665 } 2666 2667 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2668 { 2669 unsigned int result; 2670 2671 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2672 if (!lowbatt_handle) 2673 return -ENOMEM; 2674 2675 sysfs_attr_init(&lowbatt_handle->attr); 2676 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2677 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2678 lowbatt_handle->show = sony_nc_lowbatt_show; 2679 lowbatt_handle->store = sony_nc_lowbatt_store; 2680 2681 result = device_create_file(&pd->dev, lowbatt_handle); 2682 if (result) { 2683 kfree(lowbatt_handle); 2684 lowbatt_handle = NULL; 2685 return result; 2686 } 2687 2688 return 0; 2689 } 2690 2691 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2692 { 2693 if (lowbatt_handle) { 2694 device_remove_file(&pd->dev, lowbatt_handle); 2695 kfree(lowbatt_handle); 2696 lowbatt_handle = NULL; 2697 } 2698 } 2699 2700 /* fan speed function */ 2701 static struct device_attribute *fan_handle, *hsf_handle; 2702 2703 static ssize_t sony_nc_hsfan_store(struct device *dev, 2704 struct device_attribute *attr, 2705 const char *buffer, size_t count) 2706 { 2707 unsigned int result; 2708 unsigned long value; 2709 2710 if (count > 31) 2711 return -EINVAL; 2712 2713 if (kstrtoul(buffer, 10, &value) || value > 1) 2714 return -EINVAL; 2715 2716 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2717 return -EIO; 2718 2719 return count; 2720 } 2721 2722 static ssize_t sony_nc_hsfan_show(struct device *dev, 2723 struct device_attribute *attr, char *buffer) 2724 { 2725 unsigned int result; 2726 2727 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2728 return -EIO; 2729 2730 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2731 } 2732 2733 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2734 struct device_attribute *attr, char *buffer) 2735 { 2736 unsigned int result; 2737 2738 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2739 return -EIO; 2740 2741 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2742 } 2743 2744 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2745 { 2746 unsigned int result; 2747 2748 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2749 if (!fan_handle) 2750 return -ENOMEM; 2751 2752 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2753 if (!hsf_handle) { 2754 result = -ENOMEM; 2755 goto out_hsf_handle_alloc; 2756 } 2757 2758 sysfs_attr_init(&fan_handle->attr); 2759 fan_handle->attr.name = "fanspeed"; 2760 fan_handle->attr.mode = S_IRUGO; 2761 fan_handle->show = sony_nc_fanspeed_show; 2762 fan_handle->store = NULL; 2763 2764 sysfs_attr_init(&hsf_handle->attr); 2765 hsf_handle->attr.name = "fan_forced"; 2766 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2767 hsf_handle->show = sony_nc_hsfan_show; 2768 hsf_handle->store = sony_nc_hsfan_store; 2769 2770 result = device_create_file(&pd->dev, fan_handle); 2771 if (result) 2772 goto out_fan_handle; 2773 2774 result = device_create_file(&pd->dev, hsf_handle); 2775 if (result) 2776 goto out_hsf_handle; 2777 2778 return 0; 2779 2780 out_hsf_handle: 2781 device_remove_file(&pd->dev, fan_handle); 2782 2783 out_fan_handle: 2784 kfree(hsf_handle); 2785 hsf_handle = NULL; 2786 2787 out_hsf_handle_alloc: 2788 kfree(fan_handle); 2789 fan_handle = NULL; 2790 return result; 2791 } 2792 2793 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2794 { 2795 if (fan_handle) { 2796 device_remove_file(&pd->dev, fan_handle); 2797 kfree(fan_handle); 2798 fan_handle = NULL; 2799 } 2800 if (hsf_handle) { 2801 device_remove_file(&pd->dev, hsf_handle); 2802 kfree(hsf_handle); 2803 hsf_handle = NULL; 2804 } 2805 } 2806 2807 /* USB charge function */ 2808 static struct device_attribute *uc_handle; 2809 2810 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2811 struct device_attribute *attr, 2812 const char *buffer, size_t count) 2813 { 2814 unsigned int result; 2815 unsigned long value; 2816 2817 if (count > 31) 2818 return -EINVAL; 2819 2820 if (kstrtoul(buffer, 10, &value) || value > 1) 2821 return -EINVAL; 2822 2823 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2824 return -EIO; 2825 2826 return count; 2827 } 2828 2829 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2830 struct device_attribute *attr, char *buffer) 2831 { 2832 unsigned int result; 2833 2834 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2835 return -EIO; 2836 2837 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2838 } 2839 2840 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2841 { 2842 unsigned int result; 2843 2844 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2845 /* some models advertise the handle but have no implementation 2846 * for it 2847 */ 2848 pr_info("No USB Charge capability found\n"); 2849 return 0; 2850 } 2851 2852 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2853 if (!uc_handle) 2854 return -ENOMEM; 2855 2856 sysfs_attr_init(&uc_handle->attr); 2857 uc_handle->attr.name = "usb_charge"; 2858 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2859 uc_handle->show = sony_nc_usb_charge_show; 2860 uc_handle->store = sony_nc_usb_charge_store; 2861 2862 result = device_create_file(&pd->dev, uc_handle); 2863 if (result) { 2864 kfree(uc_handle); 2865 uc_handle = NULL; 2866 return result; 2867 } 2868 2869 return 0; 2870 } 2871 2872 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2873 { 2874 if (uc_handle) { 2875 device_remove_file(&pd->dev, uc_handle); 2876 kfree(uc_handle); 2877 uc_handle = NULL; 2878 } 2879 } 2880 2881 /* Panel ID function */ 2882 static struct device_attribute *panel_handle; 2883 2884 static ssize_t sony_nc_panelid_show(struct device *dev, 2885 struct device_attribute *attr, char *buffer) 2886 { 2887 unsigned int result; 2888 2889 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2890 return -EIO; 2891 2892 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2893 } 2894 2895 static int sony_nc_panelid_setup(struct platform_device *pd) 2896 { 2897 unsigned int result; 2898 2899 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2900 if (!panel_handle) 2901 return -ENOMEM; 2902 2903 sysfs_attr_init(&panel_handle->attr); 2904 panel_handle->attr.name = "panel_id"; 2905 panel_handle->attr.mode = S_IRUGO; 2906 panel_handle->show = sony_nc_panelid_show; 2907 panel_handle->store = NULL; 2908 2909 result = device_create_file(&pd->dev, panel_handle); 2910 if (result) { 2911 kfree(panel_handle); 2912 panel_handle = NULL; 2913 return result; 2914 } 2915 2916 return 0; 2917 } 2918 2919 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2920 { 2921 if (panel_handle) { 2922 device_remove_file(&pd->dev, panel_handle); 2923 kfree(panel_handle); 2924 panel_handle = NULL; 2925 } 2926 } 2927 2928 /* smart connect function */ 2929 static struct device_attribute *sc_handle; 2930 2931 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2932 struct device_attribute *attr, 2933 const char *buffer, size_t count) 2934 { 2935 unsigned int result; 2936 unsigned long value; 2937 2938 if (count > 31) 2939 return -EINVAL; 2940 2941 if (kstrtoul(buffer, 10, &value) || value > 1) 2942 return -EINVAL; 2943 2944 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2945 return -EIO; 2946 2947 return count; 2948 } 2949 2950 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2951 { 2952 unsigned int result; 2953 2954 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2955 if (!sc_handle) 2956 return -ENOMEM; 2957 2958 sysfs_attr_init(&sc_handle->attr); 2959 sc_handle->attr.name = "smart_connect"; 2960 sc_handle->attr.mode = S_IWUSR; 2961 sc_handle->show = NULL; 2962 sc_handle->store = sony_nc_smart_conn_store; 2963 2964 result = device_create_file(&pd->dev, sc_handle); 2965 if (result) { 2966 kfree(sc_handle); 2967 sc_handle = NULL; 2968 return result; 2969 } 2970 2971 return 0; 2972 } 2973 2974 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2975 { 2976 if (sc_handle) { 2977 device_remove_file(&pd->dev, sc_handle); 2978 kfree(sc_handle); 2979 sc_handle = NULL; 2980 } 2981 } 2982 2983 /* Touchpad enable/disable */ 2984 struct touchpad_control { 2985 struct device_attribute attr; 2986 int handle; 2987 }; 2988 static struct touchpad_control *tp_ctl; 2989 2990 static ssize_t sony_nc_touchpad_store(struct device *dev, 2991 struct device_attribute *attr, const char *buffer, size_t count) 2992 { 2993 unsigned int result; 2994 unsigned long value; 2995 2996 if (count > 31) 2997 return -EINVAL; 2998 2999 if (kstrtoul(buffer, 10, &value) || value > 1) 3000 return -EINVAL; 3001 3002 /* sysfs: 0 disabled, 1 enabled 3003 * EC: 0 enabled, 1 disabled 3004 */ 3005 if (sony_call_snc_handle(tp_ctl->handle, 3006 (!value << 0x10) | 0x100, &result)) 3007 return -EIO; 3008 3009 return count; 3010 } 3011 3012 static ssize_t sony_nc_touchpad_show(struct device *dev, 3013 struct device_attribute *attr, char *buffer) 3014 { 3015 unsigned int result; 3016 3017 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 3018 return -EINVAL; 3019 3020 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 3021 } 3022 3023 static int sony_nc_touchpad_setup(struct platform_device *pd, 3024 unsigned int handle) 3025 { 3026 int ret = 0; 3027 3028 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3029 if (!tp_ctl) 3030 return -ENOMEM; 3031 3032 tp_ctl->handle = handle; 3033 3034 sysfs_attr_init(&tp_ctl->attr.attr); 3035 tp_ctl->attr.attr.name = "touchpad"; 3036 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3037 tp_ctl->attr.show = sony_nc_touchpad_show; 3038 tp_ctl->attr.store = sony_nc_touchpad_store; 3039 3040 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3041 if (ret) { 3042 kfree(tp_ctl); 3043 tp_ctl = NULL; 3044 } 3045 3046 return ret; 3047 } 3048 3049 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3050 { 3051 if (tp_ctl) { 3052 device_remove_file(&pd->dev, &tp_ctl->attr); 3053 kfree(tp_ctl); 3054 tp_ctl = NULL; 3055 } 3056 } 3057 3058 static void sony_nc_backlight_ng_read_limits(int handle, 3059 struct sony_backlight_props *props) 3060 { 3061 u64 offset; 3062 int i; 3063 int lvl_table_len = 0; 3064 u8 min = 0xff, max = 0x00; 3065 unsigned char buffer[32] = { 0 }; 3066 3067 props->handle = handle; 3068 props->offset = 0; 3069 props->maxlvl = 0xff; 3070 3071 offset = sony_find_snc_handle(handle); 3072 3073 /* try to read the boundaries from ACPI tables, if we fail the above 3074 * defaults should be reasonable 3075 */ 3076 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3077 32); 3078 if (i < 0) 3079 return; 3080 3081 switch (handle) { 3082 case 0x012f: 3083 case 0x0137: 3084 lvl_table_len = 9; 3085 break; 3086 case 0x143: 3087 case 0x14b: 3088 case 0x14c: 3089 lvl_table_len = 16; 3090 break; 3091 } 3092 3093 /* the buffer lists brightness levels available, brightness levels are 3094 * from position 0 to 8 in the array, other values are used by ALS 3095 * control. 3096 */ 3097 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3098 3099 dprintk("Brightness level: %d\n", buffer[i]); 3100 3101 if (!buffer[i]) 3102 break; 3103 3104 if (buffer[i] > max) 3105 max = buffer[i]; 3106 if (buffer[i] < min) 3107 min = buffer[i]; 3108 } 3109 props->offset = min; 3110 props->maxlvl = max; 3111 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3112 props->maxlvl); 3113 } 3114 3115 static void sony_nc_backlight_setup(void) 3116 { 3117 int max_brightness = 0; 3118 const struct backlight_ops *ops = NULL; 3119 struct backlight_properties props; 3120 3121 if (sony_find_snc_handle(0x12f) >= 0) { 3122 ops = &sony_backlight_ng_ops; 3123 sony_bl_props.cmd_base = 0x0100; 3124 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3125 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3126 3127 } else if (sony_find_snc_handle(0x137) >= 0) { 3128 ops = &sony_backlight_ng_ops; 3129 sony_bl_props.cmd_base = 0x0100; 3130 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3131 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3132 3133 } else if (sony_find_snc_handle(0x143) >= 0) { 3134 ops = &sony_backlight_ng_ops; 3135 sony_bl_props.cmd_base = 0x3000; 3136 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3137 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3138 3139 } else if (sony_find_snc_handle(0x14b) >= 0) { 3140 ops = &sony_backlight_ng_ops; 3141 sony_bl_props.cmd_base = 0x3000; 3142 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3143 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3144 3145 } else if (sony_find_snc_handle(0x14c) >= 0) { 3146 ops = &sony_backlight_ng_ops; 3147 sony_bl_props.cmd_base = 0x3000; 3148 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3149 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3150 3151 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3152 ops = &sony_backlight_ops; 3153 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3154 3155 } else 3156 return; 3157 3158 memset(&props, 0, sizeof(struct backlight_properties)); 3159 props.type = BACKLIGHT_PLATFORM; 3160 props.max_brightness = max_brightness; 3161 sony_bl_props.dev = backlight_device_register("sony", NULL, 3162 &sony_bl_props, 3163 ops, &props); 3164 3165 if (IS_ERR(sony_bl_props.dev)) { 3166 pr_warn("unable to register backlight device\n"); 3167 sony_bl_props.dev = NULL; 3168 } else 3169 sony_bl_props.dev->props.brightness = 3170 ops->get_brightness(sony_bl_props.dev); 3171 } 3172 3173 static void sony_nc_backlight_cleanup(void) 3174 { 3175 backlight_device_unregister(sony_bl_props.dev); 3176 } 3177 3178 static int sony_nc_add(struct acpi_device *device) 3179 { 3180 acpi_status status; 3181 int result = 0; 3182 struct sony_nc_value *item; 3183 3184 sony_nc_acpi_device = device; 3185 strcpy(acpi_device_class(device), "sony/hotkey"); 3186 3187 sony_nc_acpi_handle = device->handle; 3188 3189 /* read device status */ 3190 result = acpi_bus_get_status(device); 3191 /* bail IFF the above call was successful and the device is not present */ 3192 if (!result && !device->status.present) { 3193 dprintk("Device not present\n"); 3194 result = -ENODEV; 3195 goto outwalk; 3196 } 3197 3198 result = sony_pf_add(); 3199 if (result) 3200 goto outpresent; 3201 3202 if (debug) { 3203 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3204 sony_nc_acpi_handle, 1, sony_walk_callback, 3205 NULL, NULL, NULL); 3206 if (ACPI_FAILURE(status)) { 3207 pr_warn("unable to walk acpi resources\n"); 3208 result = -ENODEV; 3209 goto outpresent; 3210 } 3211 } 3212 3213 result = sony_laptop_setup_input(device); 3214 if (result) { 3215 pr_err("Unable to create input devices\n"); 3216 goto outplatform; 3217 } 3218 3219 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3220 int arg = 1; 3221 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3222 dprintk("ECON Method failed\n"); 3223 } 3224 3225 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3226 dprintk("Doing SNC setup\n"); 3227 /* retrieve the available handles */ 3228 result = sony_nc_handles_setup(sony_pf_device); 3229 if (!result) 3230 sony_nc_function_setup(device, sony_pf_device); 3231 } 3232 3233 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3234 sony_nc_backlight_setup(); 3235 3236 /* create sony_pf sysfs attributes related to the SNC device */ 3237 for (item = sony_nc_values; item->name; ++item) { 3238 3239 if (!debug && item->debug) 3240 continue; 3241 3242 /* find the available acpiget as described in the DSDT */ 3243 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3244 if (acpi_has_method(sony_nc_acpi_handle, 3245 *item->acpiget)) { 3246 dprintk("Found %s getter: %s\n", 3247 item->name, *item->acpiget); 3248 item->devattr.attr.mode |= S_IRUGO; 3249 break; 3250 } 3251 } 3252 3253 /* find the available acpiset as described in the DSDT */ 3254 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3255 if (acpi_has_method(sony_nc_acpi_handle, 3256 *item->acpiset)) { 3257 dprintk("Found %s setter: %s\n", 3258 item->name, *item->acpiset); 3259 item->devattr.attr.mode |= S_IWUSR; 3260 break; 3261 } 3262 } 3263 3264 if (item->devattr.attr.mode != 0) { 3265 result = 3266 device_create_file(&sony_pf_device->dev, 3267 &item->devattr); 3268 if (result) 3269 goto out_sysfs; 3270 } 3271 } 3272 3273 pr_info("SNC setup done.\n"); 3274 return 0; 3275 3276 out_sysfs: 3277 for (item = sony_nc_values; item->name; ++item) { 3278 device_remove_file(&sony_pf_device->dev, &item->devattr); 3279 } 3280 sony_nc_backlight_cleanup(); 3281 sony_nc_function_cleanup(sony_pf_device); 3282 sony_nc_handles_cleanup(sony_pf_device); 3283 3284 outplatform: 3285 sony_laptop_remove_input(); 3286 3287 outpresent: 3288 sony_pf_remove(); 3289 3290 outwalk: 3291 sony_nc_rfkill_cleanup(); 3292 return result; 3293 } 3294 3295 static int sony_nc_remove(struct acpi_device *device) 3296 { 3297 struct sony_nc_value *item; 3298 3299 sony_nc_backlight_cleanup(); 3300 3301 sony_nc_acpi_device = NULL; 3302 3303 for (item = sony_nc_values; item->name; ++item) { 3304 device_remove_file(&sony_pf_device->dev, &item->devattr); 3305 } 3306 3307 sony_nc_function_cleanup(sony_pf_device); 3308 sony_nc_handles_cleanup(sony_pf_device); 3309 sony_pf_remove(); 3310 sony_laptop_remove_input(); 3311 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3312 3313 return 0; 3314 } 3315 3316 static const struct acpi_device_id sony_device_ids[] = { 3317 {SONY_NC_HID, 0}, 3318 {SONY_PIC_HID, 0}, 3319 {"", 0}, 3320 }; 3321 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3322 3323 static const struct acpi_device_id sony_nc_device_ids[] = { 3324 {SONY_NC_HID, 0}, 3325 {"", 0}, 3326 }; 3327 3328 static struct acpi_driver sony_nc_driver = { 3329 .name = SONY_NC_DRIVER_NAME, 3330 .class = SONY_NC_CLASS, 3331 .ids = sony_nc_device_ids, 3332 .owner = THIS_MODULE, 3333 .ops = { 3334 .add = sony_nc_add, 3335 .remove = sony_nc_remove, 3336 .notify = sony_nc_notify, 3337 }, 3338 .drv.pm = &sony_nc_pm, 3339 }; 3340 3341 /*********** SPIC (SNY6001) Device ***********/ 3342 3343 #define SONYPI_DEVICE_TYPE1 0x00000001 3344 #define SONYPI_DEVICE_TYPE2 0x00000002 3345 #define SONYPI_DEVICE_TYPE3 0x00000004 3346 3347 #define SONYPI_TYPE1_OFFSET 0x04 3348 #define SONYPI_TYPE2_OFFSET 0x12 3349 #define SONYPI_TYPE3_OFFSET 0x12 3350 3351 struct sony_pic_ioport { 3352 struct acpi_resource_io io1; 3353 struct acpi_resource_io io2; 3354 struct list_head list; 3355 }; 3356 3357 struct sony_pic_irq { 3358 struct acpi_resource_irq irq; 3359 struct list_head list; 3360 }; 3361 3362 struct sonypi_eventtypes { 3363 u8 data; 3364 unsigned long mask; 3365 struct sonypi_event *events; 3366 }; 3367 3368 struct sony_pic_dev { 3369 struct acpi_device *acpi_dev; 3370 struct sony_pic_irq *cur_irq; 3371 struct sony_pic_ioport *cur_ioport; 3372 struct list_head interrupts; 3373 struct list_head ioports; 3374 struct mutex lock; 3375 struct sonypi_eventtypes *event_types; 3376 int (*handle_irq)(const u8, const u8); 3377 int model; 3378 u16 evport_offset; 3379 u8 camera_power; 3380 u8 bluetooth_power; 3381 u8 wwan_power; 3382 }; 3383 3384 static struct sony_pic_dev spic_dev = { 3385 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3386 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3387 }; 3388 3389 static int spic_drv_registered; 3390 3391 /* Event masks */ 3392 #define SONYPI_JOGGER_MASK 0x00000001 3393 #define SONYPI_CAPTURE_MASK 0x00000002 3394 #define SONYPI_FNKEY_MASK 0x00000004 3395 #define SONYPI_BLUETOOTH_MASK 0x00000008 3396 #define SONYPI_PKEY_MASK 0x00000010 3397 #define SONYPI_BACK_MASK 0x00000020 3398 #define SONYPI_HELP_MASK 0x00000040 3399 #define SONYPI_LID_MASK 0x00000080 3400 #define SONYPI_ZOOM_MASK 0x00000100 3401 #define SONYPI_THUMBPHRASE_MASK 0x00000200 3402 #define SONYPI_MEYE_MASK 0x00000400 3403 #define SONYPI_MEMORYSTICK_MASK 0x00000800 3404 #define SONYPI_BATTERY_MASK 0x00001000 3405 #define SONYPI_WIRELESS_MASK 0x00002000 3406 3407 struct sonypi_event { 3408 u8 data; 3409 u8 event; 3410 }; 3411 3412 /* The set of possible button release events */ 3413 static struct sonypi_event sonypi_releaseev[] = { 3414 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3415 { 0, 0 } 3416 }; 3417 3418 /* The set of possible jogger events */ 3419 static struct sonypi_event sonypi_joggerev[] = { 3420 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3421 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3422 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3423 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3424 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3425 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3426 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3427 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3428 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3429 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3430 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3431 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3432 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3433 { 0, 0 } 3434 }; 3435 3436 /* The set of possible capture button events */ 3437 static struct sonypi_event sonypi_captureev[] = { 3438 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3439 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3440 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3441 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3442 { 0, 0 } 3443 }; 3444 3445 /* The set of possible fnkeys events */ 3446 static struct sonypi_event sonypi_fnkeyev[] = { 3447 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3448 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3449 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3450 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3451 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3452 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3453 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3454 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3455 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3456 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3457 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3458 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3459 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3460 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3461 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3462 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3463 { 0x31, SONYPI_EVENT_FNKEY_D }, 3464 { 0x32, SONYPI_EVENT_FNKEY_E }, 3465 { 0x33, SONYPI_EVENT_FNKEY_F }, 3466 { 0x34, SONYPI_EVENT_FNKEY_S }, 3467 { 0x35, SONYPI_EVENT_FNKEY_B }, 3468 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3469 { 0, 0 } 3470 }; 3471 3472 /* The set of possible program key events */ 3473 static struct sonypi_event sonypi_pkeyev[] = { 3474 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3475 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3476 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3477 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3478 { 0, 0 } 3479 }; 3480 3481 /* The set of possible bluetooth events */ 3482 static struct sonypi_event sonypi_blueev[] = { 3483 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3484 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3485 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3486 { 0, 0 } 3487 }; 3488 3489 /* The set of possible wireless events */ 3490 static struct sonypi_event sonypi_wlessev[] = { 3491 { 0x59, SONYPI_EVENT_IGNORE }, 3492 { 0x5a, SONYPI_EVENT_IGNORE }, 3493 { 0, 0 } 3494 }; 3495 3496 /* The set of possible back button events */ 3497 static struct sonypi_event sonypi_backev[] = { 3498 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3499 { 0, 0 } 3500 }; 3501 3502 /* The set of possible help button events */ 3503 static struct sonypi_event sonypi_helpev[] = { 3504 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3505 { 0, 0 } 3506 }; 3507 3508 3509 /* The set of possible lid events */ 3510 static struct sonypi_event sonypi_lidev[] = { 3511 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3512 { 0x50, SONYPI_EVENT_LID_OPENED }, 3513 { 0, 0 } 3514 }; 3515 3516 /* The set of possible zoom events */ 3517 static struct sonypi_event sonypi_zoomev[] = { 3518 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3519 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3520 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3521 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3522 { 0, 0 } 3523 }; 3524 3525 /* The set of possible thumbphrase events */ 3526 static struct sonypi_event sonypi_thumbphraseev[] = { 3527 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3528 { 0, 0 } 3529 }; 3530 3531 /* The set of possible motioneye camera events */ 3532 static struct sonypi_event sonypi_meyeev[] = { 3533 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3534 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3535 { 0, 0 } 3536 }; 3537 3538 /* The set of possible memorystick events */ 3539 static struct sonypi_event sonypi_memorystickev[] = { 3540 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3541 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3542 { 0, 0 } 3543 }; 3544 3545 /* The set of possible battery events */ 3546 static struct sonypi_event sonypi_batteryev[] = { 3547 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3548 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3549 { 0, 0 } 3550 }; 3551 3552 /* The set of possible volume events */ 3553 static struct sonypi_event sonypi_volumeev[] = { 3554 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3555 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3556 { 0, 0 } 3557 }; 3558 3559 /* The set of possible brightness events */ 3560 static struct sonypi_event sonypi_brightnessev[] = { 3561 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3562 { 0, 0 } 3563 }; 3564 3565 static struct sonypi_eventtypes type1_events[] = { 3566 { 0, 0xffffffff, sonypi_releaseev }, 3567 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3568 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3569 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3570 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3571 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3572 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3573 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3574 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3575 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3576 { 0 }, 3577 }; 3578 static struct sonypi_eventtypes type2_events[] = { 3579 { 0, 0xffffffff, sonypi_releaseev }, 3580 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3581 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3582 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3583 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3584 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3585 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3586 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3587 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3588 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3589 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3590 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3591 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3592 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3593 { 0 }, 3594 }; 3595 static struct sonypi_eventtypes type3_events[] = { 3596 { 0, 0xffffffff, sonypi_releaseev }, 3597 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3598 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3599 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3600 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3601 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3602 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3603 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3604 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3605 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3606 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3607 { 0 }, 3608 }; 3609 3610 /* low level spic calls */ 3611 #define ITERATIONS_LONG 10000 3612 #define ITERATIONS_SHORT 10 3613 #define wait_on_command(command, iterations) { \ 3614 unsigned int n = iterations; \ 3615 while (--n && (command)) \ 3616 udelay(1); \ 3617 if (!n) \ 3618 dprintk("command failed at %s : %s (line %d)\n", \ 3619 __FILE__, __func__, __LINE__); \ 3620 } 3621 3622 static u8 sony_pic_call1(u8 dev) 3623 { 3624 u8 v1, v2; 3625 3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3627 ITERATIONS_LONG); 3628 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3629 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3630 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3631 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3632 return v2; 3633 } 3634 3635 static u8 sony_pic_call2(u8 dev, u8 fn) 3636 { 3637 u8 v1; 3638 3639 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3640 ITERATIONS_LONG); 3641 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3642 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3643 ITERATIONS_LONG); 3644 outb(fn, spic_dev.cur_ioport->io1.minimum); 3645 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3646 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3647 return v1; 3648 } 3649 3650 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3651 { 3652 u8 v1; 3653 3654 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3655 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3657 outb(fn, spic_dev.cur_ioport->io1.minimum); 3658 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3659 outb(v, spic_dev.cur_ioport->io1.minimum); 3660 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3661 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3662 dev, fn, v, v1); 3663 return v1; 3664 } 3665 3666 /* 3667 * minidrivers for SPIC models 3668 */ 3669 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3670 { 3671 /* 3672 * 0x31 could mean we have to take some extra action and wait for 3673 * the next irq for some Type3 models, it will generate a new 3674 * irq and we can read new data from the device: 3675 * - 0x5c and 0x5f requires 0xA0 3676 * - 0x61 requires 0xB3 3677 */ 3678 if (data_mask == 0x31) { 3679 if (ev == 0x5c || ev == 0x5f) 3680 sony_pic_call1(0xA0); 3681 else if (ev == 0x61) 3682 sony_pic_call1(0xB3); 3683 return 0; 3684 } 3685 return 1; 3686 } 3687 3688 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3689 { 3690 struct pci_dev *pcidev; 3691 3692 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3693 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3694 if (pcidev) { 3695 dev->model = SONYPI_DEVICE_TYPE1; 3696 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3697 dev->event_types = type1_events; 3698 goto out; 3699 } 3700 3701 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3702 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3703 if (pcidev) { 3704 dev->model = SONYPI_DEVICE_TYPE2; 3705 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3706 dev->event_types = type2_events; 3707 goto out; 3708 } 3709 3710 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3711 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3712 if (pcidev) { 3713 dev->model = SONYPI_DEVICE_TYPE3; 3714 dev->handle_irq = type3_handle_irq; 3715 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3716 dev->event_types = type3_events; 3717 goto out; 3718 } 3719 3720 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3721 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3722 if (pcidev) { 3723 dev->model = SONYPI_DEVICE_TYPE3; 3724 dev->handle_irq = type3_handle_irq; 3725 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3726 dev->event_types = type3_events; 3727 goto out; 3728 } 3729 3730 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3731 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3732 if (pcidev) { 3733 dev->model = SONYPI_DEVICE_TYPE3; 3734 dev->handle_irq = type3_handle_irq; 3735 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3736 dev->event_types = type3_events; 3737 goto out; 3738 } 3739 3740 /* default */ 3741 dev->model = SONYPI_DEVICE_TYPE2; 3742 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3743 dev->event_types = type2_events; 3744 3745 out: 3746 pci_dev_put(pcidev); 3747 3748 pr_info("detected Type%d model\n", 3749 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3750 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3751 } 3752 3753 /* camera tests and poweron/poweroff */ 3754 #define SONYPI_CAMERA_PICTURE 5 3755 #define SONYPI_CAMERA_CONTROL 0x10 3756 3757 #define SONYPI_CAMERA_BRIGHTNESS 0 3758 #define SONYPI_CAMERA_CONTRAST 1 3759 #define SONYPI_CAMERA_HUE 2 3760 #define SONYPI_CAMERA_COLOR 3 3761 #define SONYPI_CAMERA_SHARPNESS 4 3762 3763 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3764 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3765 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3766 #define SONYPI_CAMERA_MUTE_MASK 0x40 3767 3768 /* the rest don't need a loop until not 0xff */ 3769 #define SONYPI_CAMERA_AGC 6 3770 #define SONYPI_CAMERA_AGC_MASK 0x30 3771 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3772 3773 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3774 #define SONYPI_CAMERA_CONTROL 0x10 3775 3776 #define SONYPI_CAMERA_STATUS 7 3777 #define SONYPI_CAMERA_STATUS_READY 0x2 3778 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3779 3780 #define SONYPI_DIRECTION_BACKWARDS 0x4 3781 3782 #define SONYPI_CAMERA_REVISION 8 3783 #define SONYPI_CAMERA_ROMVERSION 9 3784 3785 static int __sony_pic_camera_ready(void) 3786 { 3787 u8 v; 3788 3789 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3790 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3791 } 3792 3793 static int __sony_pic_camera_off(void) 3794 { 3795 if (!camera) { 3796 pr_warn("camera control not enabled\n"); 3797 return -ENODEV; 3798 } 3799 3800 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3801 SONYPI_CAMERA_MUTE_MASK), 3802 ITERATIONS_SHORT); 3803 3804 if (spic_dev.camera_power) { 3805 sony_pic_call2(0x91, 0); 3806 spic_dev.camera_power = 0; 3807 } 3808 return 0; 3809 } 3810 3811 static int __sony_pic_camera_on(void) 3812 { 3813 int i, j, x; 3814 3815 if (!camera) { 3816 pr_warn("camera control not enabled\n"); 3817 return -ENODEV; 3818 } 3819 3820 if (spic_dev.camera_power) 3821 return 0; 3822 3823 for (j = 5; j > 0; j--) { 3824 3825 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3826 msleep(10); 3827 sony_pic_call1(0x93); 3828 3829 for (i = 400; i > 0; i--) { 3830 if (__sony_pic_camera_ready()) 3831 break; 3832 msleep(10); 3833 } 3834 if (i) 3835 break; 3836 } 3837 3838 if (j == 0) { 3839 pr_warn("failed to power on camera\n"); 3840 return -ENODEV; 3841 } 3842 3843 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3844 0x5a), 3845 ITERATIONS_SHORT); 3846 3847 spic_dev.camera_power = 1; 3848 return 0; 3849 } 3850 3851 /* External camera command (exported to the motion eye v4l driver) */ 3852 int sony_pic_camera_command(int command, u8 value) 3853 { 3854 if (!camera) 3855 return -EIO; 3856 3857 mutex_lock(&spic_dev.lock); 3858 3859 switch (command) { 3860 case SONY_PIC_COMMAND_SETCAMERA: 3861 if (value) 3862 __sony_pic_camera_on(); 3863 else 3864 __sony_pic_camera_off(); 3865 break; 3866 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3867 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3868 ITERATIONS_SHORT); 3869 break; 3870 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3871 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3872 ITERATIONS_SHORT); 3873 break; 3874 case SONY_PIC_COMMAND_SETCAMERAHUE: 3875 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3876 ITERATIONS_SHORT); 3877 break; 3878 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3879 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3880 ITERATIONS_SHORT); 3881 break; 3882 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3883 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3884 ITERATIONS_SHORT); 3885 break; 3886 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3887 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3888 ITERATIONS_SHORT); 3889 break; 3890 case SONY_PIC_COMMAND_SETCAMERAAGC: 3891 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3892 ITERATIONS_SHORT); 3893 break; 3894 default: 3895 pr_err("sony_pic_camera_command invalid: %d\n", command); 3896 break; 3897 } 3898 mutex_unlock(&spic_dev.lock); 3899 return 0; 3900 } 3901 EXPORT_SYMBOL(sony_pic_camera_command); 3902 3903 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3904 static void __sony_pic_set_wwanpower(u8 state) 3905 { 3906 state = !!state; 3907 if (spic_dev.wwan_power == state) 3908 return; 3909 sony_pic_call2(0xB0, state); 3910 sony_pic_call1(0x82); 3911 spic_dev.wwan_power = state; 3912 } 3913 3914 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3915 struct device_attribute *attr, 3916 const char *buffer, size_t count) 3917 { 3918 unsigned long value; 3919 if (count > 31) 3920 return -EINVAL; 3921 3922 if (kstrtoul(buffer, 10, &value)) 3923 return -EINVAL; 3924 3925 mutex_lock(&spic_dev.lock); 3926 __sony_pic_set_wwanpower(value); 3927 mutex_unlock(&spic_dev.lock); 3928 3929 return count; 3930 } 3931 3932 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3933 struct device_attribute *attr, char *buffer) 3934 { 3935 ssize_t count; 3936 mutex_lock(&spic_dev.lock); 3937 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3938 mutex_unlock(&spic_dev.lock); 3939 return count; 3940 } 3941 3942 /* bluetooth subsystem power state */ 3943 static void __sony_pic_set_bluetoothpower(u8 state) 3944 { 3945 state = !!state; 3946 if (spic_dev.bluetooth_power == state) 3947 return; 3948 sony_pic_call2(0x96, state); 3949 sony_pic_call1(0x82); 3950 spic_dev.bluetooth_power = state; 3951 } 3952 3953 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3954 struct device_attribute *attr, 3955 const char *buffer, size_t count) 3956 { 3957 unsigned long value; 3958 if (count > 31) 3959 return -EINVAL; 3960 3961 if (kstrtoul(buffer, 10, &value)) 3962 return -EINVAL; 3963 3964 mutex_lock(&spic_dev.lock); 3965 __sony_pic_set_bluetoothpower(value); 3966 mutex_unlock(&spic_dev.lock); 3967 3968 return count; 3969 } 3970 3971 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3972 struct device_attribute *attr, char *buffer) 3973 { 3974 ssize_t count = 0; 3975 mutex_lock(&spic_dev.lock); 3976 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3977 mutex_unlock(&spic_dev.lock); 3978 return count; 3979 } 3980 3981 /* fan speed */ 3982 /* FAN0 information (reverse engineered from ACPI tables) */ 3983 #define SONY_PIC_FAN0_STATUS 0x93 3984 static int sony_pic_set_fanspeed(unsigned long value) 3985 { 3986 return ec_write(SONY_PIC_FAN0_STATUS, value); 3987 } 3988 3989 static int sony_pic_get_fanspeed(u8 *value) 3990 { 3991 return ec_read(SONY_PIC_FAN0_STATUS, value); 3992 } 3993 3994 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3995 struct device_attribute *attr, 3996 const char *buffer, size_t count) 3997 { 3998 unsigned long value; 3999 if (count > 31) 4000 return -EINVAL; 4001 4002 if (kstrtoul(buffer, 10, &value)) 4003 return -EINVAL; 4004 4005 if (sony_pic_set_fanspeed(value)) 4006 return -EIO; 4007 4008 return count; 4009 } 4010 4011 static ssize_t sony_pic_fanspeed_show(struct device *dev, 4012 struct device_attribute *attr, char *buffer) 4013 { 4014 u8 value = 0; 4015 if (sony_pic_get_fanspeed(&value)) 4016 return -EIO; 4017 4018 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 4019 } 4020 4021 #define SPIC_ATTR(_name, _mode) \ 4022 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 4023 _mode, sony_pic_## _name ##_show, \ 4024 sony_pic_## _name ##_store) 4025 4026 static SPIC_ATTR(bluetoothpower, 0644); 4027 static SPIC_ATTR(wwanpower, 0644); 4028 static SPIC_ATTR(fanspeed, 0644); 4029 4030 static struct attribute *spic_attributes[] = { 4031 &spic_attr_bluetoothpower.attr, 4032 &spic_attr_wwanpower.attr, 4033 &spic_attr_fanspeed.attr, 4034 NULL 4035 }; 4036 4037 static const struct attribute_group spic_attribute_group = { 4038 .attrs = spic_attributes 4039 }; 4040 4041 /******** SONYPI compatibility **********/ 4042 #ifdef CONFIG_SONYPI_COMPAT 4043 4044 /* battery / brightness / temperature addresses */ 4045 #define SONYPI_BAT_FLAGS 0x81 4046 #define SONYPI_LCD_LIGHT 0x96 4047 #define SONYPI_BAT1_PCTRM 0xa0 4048 #define SONYPI_BAT1_LEFT 0xa2 4049 #define SONYPI_BAT1_MAXRT 0xa4 4050 #define SONYPI_BAT2_PCTRM 0xa8 4051 #define SONYPI_BAT2_LEFT 0xaa 4052 #define SONYPI_BAT2_MAXRT 0xac 4053 #define SONYPI_BAT1_MAXTK 0xb0 4054 #define SONYPI_BAT1_FULL 0xb2 4055 #define SONYPI_BAT2_MAXTK 0xb8 4056 #define SONYPI_BAT2_FULL 0xba 4057 #define SONYPI_TEMP_STATUS 0xC1 4058 4059 struct sonypi_compat_s { 4060 struct fasync_struct *fifo_async; 4061 struct kfifo fifo; 4062 spinlock_t fifo_lock; 4063 wait_queue_head_t fifo_proc_list; 4064 atomic_t open_count; 4065 }; 4066 static struct sonypi_compat_s sonypi_compat = { 4067 .open_count = ATOMIC_INIT(0), 4068 }; 4069 4070 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4071 { 4072 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4073 } 4074 4075 static int sonypi_misc_release(struct inode *inode, struct file *file) 4076 { 4077 atomic_dec(&sonypi_compat.open_count); 4078 return 0; 4079 } 4080 4081 static int sonypi_misc_open(struct inode *inode, struct file *file) 4082 { 4083 /* Flush input queue on first open */ 4084 unsigned long flags; 4085 4086 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4087 4088 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4089 kfifo_reset(&sonypi_compat.fifo); 4090 4091 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4092 4093 return 0; 4094 } 4095 4096 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4097 size_t count, loff_t *pos) 4098 { 4099 ssize_t ret; 4100 unsigned char c; 4101 4102 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4103 (file->f_flags & O_NONBLOCK)) 4104 return -EAGAIN; 4105 4106 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4107 kfifo_len(&sonypi_compat.fifo) != 0); 4108 if (ret) 4109 return ret; 4110 4111 while (ret < count && 4112 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4113 &sonypi_compat.fifo_lock) == sizeof(c))) { 4114 if (put_user(c, buf++)) 4115 return -EFAULT; 4116 ret++; 4117 } 4118 4119 if (ret > 0) { 4120 struct inode *inode = file_inode(file); 4121 inode->i_atime = current_time(inode); 4122 } 4123 4124 return ret; 4125 } 4126 4127 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 4128 { 4129 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4130 if (kfifo_len(&sonypi_compat.fifo)) 4131 return EPOLLIN | EPOLLRDNORM; 4132 return 0; 4133 } 4134 4135 static int ec_read16(u8 addr, u16 *value) 4136 { 4137 u8 val_lb, val_hb; 4138 if (ec_read(addr, &val_lb)) 4139 return -1; 4140 if (ec_read(addr + 1, &val_hb)) 4141 return -1; 4142 *value = val_lb | (val_hb << 8); 4143 return 0; 4144 } 4145 4146 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4147 unsigned long arg) 4148 { 4149 int ret = 0; 4150 void __user *argp = (void __user *)arg; 4151 u8 val8; 4152 u16 val16; 4153 int value; 4154 4155 mutex_lock(&spic_dev.lock); 4156 switch (cmd) { 4157 case SONYPI_IOCGBRT: 4158 if (sony_bl_props.dev == NULL) { 4159 ret = -EIO; 4160 break; 4161 } 4162 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4163 &value)) { 4164 ret = -EIO; 4165 break; 4166 } 4167 val8 = ((value & 0xff) - 1) << 5; 4168 if (copy_to_user(argp, &val8, sizeof(val8))) 4169 ret = -EFAULT; 4170 break; 4171 case SONYPI_IOCSBRT: 4172 if (sony_bl_props.dev == NULL) { 4173 ret = -EIO; 4174 break; 4175 } 4176 if (copy_from_user(&val8, argp, sizeof(val8))) { 4177 ret = -EFAULT; 4178 break; 4179 } 4180 value = (val8 >> 5) + 1; 4181 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4182 NULL)) { 4183 ret = -EIO; 4184 break; 4185 } 4186 /* sync the backlight device status */ 4187 sony_bl_props.dev->props.brightness = 4188 sony_backlight_get_brightness(sony_bl_props.dev); 4189 break; 4190 case SONYPI_IOCGBAT1CAP: 4191 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4192 ret = -EIO; 4193 break; 4194 } 4195 if (copy_to_user(argp, &val16, sizeof(val16))) 4196 ret = -EFAULT; 4197 break; 4198 case SONYPI_IOCGBAT1REM: 4199 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4200 ret = -EIO; 4201 break; 4202 } 4203 if (copy_to_user(argp, &val16, sizeof(val16))) 4204 ret = -EFAULT; 4205 break; 4206 case SONYPI_IOCGBAT2CAP: 4207 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4208 ret = -EIO; 4209 break; 4210 } 4211 if (copy_to_user(argp, &val16, sizeof(val16))) 4212 ret = -EFAULT; 4213 break; 4214 case SONYPI_IOCGBAT2REM: 4215 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4216 ret = -EIO; 4217 break; 4218 } 4219 if (copy_to_user(argp, &val16, sizeof(val16))) 4220 ret = -EFAULT; 4221 break; 4222 case SONYPI_IOCGBATFLAGS: 4223 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4224 ret = -EIO; 4225 break; 4226 } 4227 val8 &= 0x07; 4228 if (copy_to_user(argp, &val8, sizeof(val8))) 4229 ret = -EFAULT; 4230 break; 4231 case SONYPI_IOCGBLUE: 4232 val8 = spic_dev.bluetooth_power; 4233 if (copy_to_user(argp, &val8, sizeof(val8))) 4234 ret = -EFAULT; 4235 break; 4236 case SONYPI_IOCSBLUE: 4237 if (copy_from_user(&val8, argp, sizeof(val8))) { 4238 ret = -EFAULT; 4239 break; 4240 } 4241 __sony_pic_set_bluetoothpower(val8); 4242 break; 4243 /* FAN Controls */ 4244 case SONYPI_IOCGFAN: 4245 if (sony_pic_get_fanspeed(&val8)) { 4246 ret = -EIO; 4247 break; 4248 } 4249 if (copy_to_user(argp, &val8, sizeof(val8))) 4250 ret = -EFAULT; 4251 break; 4252 case SONYPI_IOCSFAN: 4253 if (copy_from_user(&val8, argp, sizeof(val8))) { 4254 ret = -EFAULT; 4255 break; 4256 } 4257 if (sony_pic_set_fanspeed(val8)) 4258 ret = -EIO; 4259 break; 4260 /* GET Temperature (useful under APM) */ 4261 case SONYPI_IOCGTEMP: 4262 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4263 ret = -EIO; 4264 break; 4265 } 4266 if (copy_to_user(argp, &val8, sizeof(val8))) 4267 ret = -EFAULT; 4268 break; 4269 default: 4270 ret = -EINVAL; 4271 } 4272 mutex_unlock(&spic_dev.lock); 4273 return ret; 4274 } 4275 4276 static const struct file_operations sonypi_misc_fops = { 4277 .owner = THIS_MODULE, 4278 .read = sonypi_misc_read, 4279 .poll = sonypi_misc_poll, 4280 .open = sonypi_misc_open, 4281 .release = sonypi_misc_release, 4282 .fasync = sonypi_misc_fasync, 4283 .unlocked_ioctl = sonypi_misc_ioctl, 4284 .llseek = noop_llseek, 4285 }; 4286 4287 static struct miscdevice sonypi_misc_device = { 4288 .minor = MISC_DYNAMIC_MINOR, 4289 .name = "sonypi", 4290 .fops = &sonypi_misc_fops, 4291 }; 4292 4293 static void sonypi_compat_report_event(u8 event) 4294 { 4295 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4296 sizeof(event), &sonypi_compat.fifo_lock); 4297 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4298 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4299 } 4300 4301 static int sonypi_compat_init(void) 4302 { 4303 int error; 4304 4305 spin_lock_init(&sonypi_compat.fifo_lock); 4306 error = 4307 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4308 if (error) { 4309 pr_err("kfifo_alloc failed\n"); 4310 return error; 4311 } 4312 4313 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4314 4315 if (minor != -1) 4316 sonypi_misc_device.minor = minor; 4317 error = misc_register(&sonypi_misc_device); 4318 if (error) { 4319 pr_err("misc_register failed\n"); 4320 goto err_free_kfifo; 4321 } 4322 if (minor == -1) 4323 pr_info("device allocated minor is %d\n", 4324 sonypi_misc_device.minor); 4325 4326 return 0; 4327 4328 err_free_kfifo: 4329 kfifo_free(&sonypi_compat.fifo); 4330 return error; 4331 } 4332 4333 static void sonypi_compat_exit(void) 4334 { 4335 misc_deregister(&sonypi_misc_device); 4336 kfifo_free(&sonypi_compat.fifo); 4337 } 4338 #else 4339 static int sonypi_compat_init(void) { return 0; } 4340 static void sonypi_compat_exit(void) { } 4341 static void sonypi_compat_report_event(u8 event) { } 4342 #endif /* CONFIG_SONYPI_COMPAT */ 4343 4344 /* 4345 * ACPI callbacks 4346 */ 4347 static acpi_status 4348 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4349 { 4350 u32 i; 4351 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4352 4353 switch (resource->type) { 4354 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4355 { 4356 /* start IO enumeration */ 4357 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4358 if (!ioport) 4359 return AE_ERROR; 4360 4361 list_add(&ioport->list, &dev->ioports); 4362 return AE_OK; 4363 } 4364 4365 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4366 /* end IO enumeration */ 4367 return AE_OK; 4368 4369 case ACPI_RESOURCE_TYPE_IRQ: 4370 { 4371 struct acpi_resource_irq *p = &resource->data.irq; 4372 struct sony_pic_irq *interrupt = NULL; 4373 if (!p || !p->interrupt_count) { 4374 /* 4375 * IRQ descriptors may have no IRQ# bits set, 4376 * particularly those those w/ _STA disabled 4377 */ 4378 dprintk("Blank IRQ resource\n"); 4379 return AE_OK; 4380 } 4381 for (i = 0; i < p->interrupt_count; i++) { 4382 if (!p->interrupts[i]) { 4383 pr_warn("Invalid IRQ %d\n", 4384 p->interrupts[i]); 4385 continue; 4386 } 4387 interrupt = kzalloc(sizeof(*interrupt), 4388 GFP_KERNEL); 4389 if (!interrupt) 4390 return AE_ERROR; 4391 4392 list_add(&interrupt->list, &dev->interrupts); 4393 interrupt->irq.triggering = p->triggering; 4394 interrupt->irq.polarity = p->polarity; 4395 interrupt->irq.sharable = p->sharable; 4396 interrupt->irq.interrupt_count = 1; 4397 interrupt->irq.interrupts[0] = p->interrupts[i]; 4398 } 4399 return AE_OK; 4400 } 4401 case ACPI_RESOURCE_TYPE_IO: 4402 { 4403 struct acpi_resource_io *io = &resource->data.io; 4404 struct sony_pic_ioport *ioport = 4405 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4406 if (!io) { 4407 dprintk("Blank IO resource\n"); 4408 return AE_OK; 4409 } 4410 4411 if (!ioport->io1.minimum) { 4412 memcpy(&ioport->io1, io, sizeof(*io)); 4413 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4414 ioport->io1.address_length); 4415 } 4416 else if (!ioport->io2.minimum) { 4417 memcpy(&ioport->io2, io, sizeof(*io)); 4418 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4419 ioport->io2.address_length); 4420 } 4421 else { 4422 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4423 return AE_ERROR; 4424 } 4425 return AE_OK; 4426 } 4427 default: 4428 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4429 resource->type); 4430 4431 case ACPI_RESOURCE_TYPE_END_TAG: 4432 return AE_OK; 4433 } 4434 return AE_CTRL_TERMINATE; 4435 } 4436 4437 static int sony_pic_possible_resources(struct acpi_device *device) 4438 { 4439 int result = 0; 4440 acpi_status status = AE_OK; 4441 4442 if (!device) 4443 return -EINVAL; 4444 4445 /* get device status */ 4446 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4447 dprintk("Evaluating _STA\n"); 4448 result = acpi_bus_get_status(device); 4449 if (result) { 4450 pr_warn("Unable to read status\n"); 4451 goto end; 4452 } 4453 4454 if (!device->status.enabled) 4455 dprintk("Device disabled\n"); 4456 else 4457 dprintk("Device enabled\n"); 4458 4459 /* 4460 * Query and parse 'method' 4461 */ 4462 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4463 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4464 sony_pic_read_possible_resource, &spic_dev); 4465 if (ACPI_FAILURE(status)) { 4466 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4467 result = -ENODEV; 4468 } 4469 end: 4470 return result; 4471 } 4472 4473 /* 4474 * Disable the spic device by calling its _DIS method 4475 */ 4476 static int sony_pic_disable(struct acpi_device *device) 4477 { 4478 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4479 NULL); 4480 4481 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4482 return -ENXIO; 4483 4484 dprintk("Device disabled\n"); 4485 return 0; 4486 } 4487 4488 4489 /* 4490 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4491 * 4492 * Call _SRS to set current resources 4493 */ 4494 static int sony_pic_enable(struct acpi_device *device, 4495 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4496 { 4497 acpi_status status; 4498 int result = 0; 4499 /* Type 1 resource layout is: 4500 * IO 4501 * IO 4502 * IRQNoFlags 4503 * End 4504 * 4505 * Type 2 and 3 resource layout is: 4506 * IO 4507 * IRQNoFlags 4508 * End 4509 */ 4510 struct { 4511 struct acpi_resource res1; 4512 struct acpi_resource res2; 4513 struct acpi_resource res3; 4514 struct acpi_resource res4; 4515 } *resource; 4516 struct acpi_buffer buffer = { 0, NULL }; 4517 4518 if (!ioport || !irq) 4519 return -EINVAL; 4520 4521 /* init acpi_buffer */ 4522 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4523 if (!resource) 4524 return -ENOMEM; 4525 4526 buffer.length = sizeof(*resource) + 1; 4527 buffer.pointer = resource; 4528 4529 /* setup Type 1 resources */ 4530 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4531 4532 /* setup io resources */ 4533 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4534 resource->res1.length = sizeof(struct acpi_resource); 4535 memcpy(&resource->res1.data.io, &ioport->io1, 4536 sizeof(struct acpi_resource_io)); 4537 4538 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4539 resource->res2.length = sizeof(struct acpi_resource); 4540 memcpy(&resource->res2.data.io, &ioport->io2, 4541 sizeof(struct acpi_resource_io)); 4542 4543 /* setup irq resource */ 4544 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4545 resource->res3.length = sizeof(struct acpi_resource); 4546 memcpy(&resource->res3.data.irq, &irq->irq, 4547 sizeof(struct acpi_resource_irq)); 4548 /* we requested a shared irq */ 4549 resource->res3.data.irq.sharable = ACPI_SHARED; 4550 4551 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4552 resource->res4.length = sizeof(struct acpi_resource); 4553 } 4554 /* setup Type 2/3 resources */ 4555 else { 4556 /* setup io resource */ 4557 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4558 resource->res1.length = sizeof(struct acpi_resource); 4559 memcpy(&resource->res1.data.io, &ioport->io1, 4560 sizeof(struct acpi_resource_io)); 4561 4562 /* setup irq resource */ 4563 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4564 resource->res2.length = sizeof(struct acpi_resource); 4565 memcpy(&resource->res2.data.irq, &irq->irq, 4566 sizeof(struct acpi_resource_irq)); 4567 /* we requested a shared irq */ 4568 resource->res2.data.irq.sharable = ACPI_SHARED; 4569 4570 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4571 resource->res3.length = sizeof(struct acpi_resource); 4572 } 4573 4574 /* Attempt to set the resource */ 4575 dprintk("Evaluating _SRS\n"); 4576 status = acpi_set_current_resources(device->handle, &buffer); 4577 4578 /* check for total failure */ 4579 if (ACPI_FAILURE(status)) { 4580 pr_err("Error evaluating _SRS\n"); 4581 result = -ENODEV; 4582 goto end; 4583 } 4584 4585 /* Necessary device initializations calls (from sonypi) */ 4586 sony_pic_call1(0x82); 4587 sony_pic_call2(0x81, 0xff); 4588 sony_pic_call1(compat ? 0x92 : 0x82); 4589 4590 end: 4591 kfree(resource); 4592 return result; 4593 } 4594 4595 /***************** 4596 * 4597 * ISR: some event is available 4598 * 4599 *****************/ 4600 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4601 { 4602 int i, j; 4603 u8 ev = 0; 4604 u8 data_mask = 0; 4605 u8 device_event = 0; 4606 4607 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4608 4609 ev = inb_p(dev->cur_ioport->io1.minimum); 4610 if (dev->cur_ioport->io2.minimum) 4611 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4612 else 4613 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4614 dev->evport_offset); 4615 4616 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4617 ev, data_mask, dev->cur_ioport->io1.minimum, 4618 dev->evport_offset); 4619 4620 if (ev == 0x00 || ev == 0xff) 4621 return IRQ_HANDLED; 4622 4623 for (i = 0; dev->event_types[i].mask; i++) { 4624 4625 if ((data_mask & dev->event_types[i].data) != 4626 dev->event_types[i].data) 4627 continue; 4628 4629 if (!(mask & dev->event_types[i].mask)) 4630 continue; 4631 4632 for (j = 0; dev->event_types[i].events[j].event; j++) { 4633 if (ev == dev->event_types[i].events[j].data) { 4634 device_event = 4635 dev->event_types[i].events[j].event; 4636 /* some events may require ignoring */ 4637 if (!device_event) 4638 return IRQ_HANDLED; 4639 goto found; 4640 } 4641 } 4642 } 4643 /* Still not able to decode the event try to pass 4644 * it over to the minidriver 4645 */ 4646 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4647 return IRQ_HANDLED; 4648 4649 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4650 ev, data_mask, dev->cur_ioport->io1.minimum, 4651 dev->evport_offset); 4652 return IRQ_HANDLED; 4653 4654 found: 4655 sony_laptop_report_input_event(device_event); 4656 sonypi_compat_report_event(device_event); 4657 return IRQ_HANDLED; 4658 } 4659 4660 /***************** 4661 * 4662 * ACPI driver 4663 * 4664 *****************/ 4665 static int sony_pic_remove(struct acpi_device *device) 4666 { 4667 struct sony_pic_ioport *io, *tmp_io; 4668 struct sony_pic_irq *irq, *tmp_irq; 4669 4670 if (sony_pic_disable(device)) { 4671 pr_err("Couldn't disable device\n"); 4672 return -ENXIO; 4673 } 4674 4675 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4676 release_region(spic_dev.cur_ioport->io1.minimum, 4677 spic_dev.cur_ioport->io1.address_length); 4678 if (spic_dev.cur_ioport->io2.minimum) 4679 release_region(spic_dev.cur_ioport->io2.minimum, 4680 spic_dev.cur_ioport->io2.address_length); 4681 4682 sonypi_compat_exit(); 4683 4684 sony_laptop_remove_input(); 4685 4686 /* pf attrs */ 4687 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4688 sony_pf_remove(); 4689 4690 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4691 list_del(&io->list); 4692 kfree(io); 4693 } 4694 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4695 list_del(&irq->list); 4696 kfree(irq); 4697 } 4698 spic_dev.cur_ioport = NULL; 4699 spic_dev.cur_irq = NULL; 4700 4701 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4702 return 0; 4703 } 4704 4705 static int sony_pic_add(struct acpi_device *device) 4706 { 4707 int result; 4708 struct sony_pic_ioport *io, *tmp_io; 4709 struct sony_pic_irq *irq, *tmp_irq; 4710 4711 spic_dev.acpi_dev = device; 4712 strcpy(acpi_device_class(device), "sony/hotkey"); 4713 sony_pic_detect_device_type(&spic_dev); 4714 mutex_init(&spic_dev.lock); 4715 4716 /* read _PRS resources */ 4717 result = sony_pic_possible_resources(device); 4718 if (result) { 4719 pr_err("Unable to read possible resources\n"); 4720 goto err_free_resources; 4721 } 4722 4723 /* setup input devices and helper fifo */ 4724 result = sony_laptop_setup_input(device); 4725 if (result) { 4726 pr_err("Unable to create input devices\n"); 4727 goto err_free_resources; 4728 } 4729 4730 result = sonypi_compat_init(); 4731 if (result) 4732 goto err_remove_input; 4733 4734 /* request io port */ 4735 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4736 if (request_region(io->io1.minimum, io->io1.address_length, 4737 "Sony Programmable I/O Device")) { 4738 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4739 io->io1.minimum, io->io1.maximum, 4740 io->io1.address_length); 4741 /* Type 1 have 2 ioports */ 4742 if (io->io2.minimum) { 4743 if (request_region(io->io2.minimum, 4744 io->io2.address_length, 4745 "Sony Programmable I/O Device")) { 4746 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4747 io->io2.minimum, io->io2.maximum, 4748 io->io2.address_length); 4749 spic_dev.cur_ioport = io; 4750 break; 4751 } 4752 else { 4753 dprintk("Unable to get I/O port2: " 4754 "0x%.4x (0x%.4x) + 0x%.2x\n", 4755 io->io2.minimum, io->io2.maximum, 4756 io->io2.address_length); 4757 release_region(io->io1.minimum, 4758 io->io1.address_length); 4759 } 4760 } 4761 else { 4762 spic_dev.cur_ioport = io; 4763 break; 4764 } 4765 } 4766 } 4767 if (!spic_dev.cur_ioport) { 4768 pr_err("Failed to request_region\n"); 4769 result = -ENODEV; 4770 goto err_remove_compat; 4771 } 4772 4773 /* request IRQ */ 4774 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4775 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4776 0, "sony-laptop", &spic_dev)) { 4777 dprintk("IRQ: %d - triggering: %d - " 4778 "polarity: %d - shr: %d\n", 4779 irq->irq.interrupts[0], 4780 irq->irq.triggering, 4781 irq->irq.polarity, 4782 irq->irq.sharable); 4783 spic_dev.cur_irq = irq; 4784 break; 4785 } 4786 } 4787 if (!spic_dev.cur_irq) { 4788 pr_err("Failed to request_irq\n"); 4789 result = -ENODEV; 4790 goto err_release_region; 4791 } 4792 4793 /* set resource status _SRS */ 4794 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4795 if (result) { 4796 pr_err("Couldn't enable device\n"); 4797 goto err_free_irq; 4798 } 4799 4800 spic_dev.bluetooth_power = -1; 4801 /* create device attributes */ 4802 result = sony_pf_add(); 4803 if (result) 4804 goto err_disable_device; 4805 4806 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4807 if (result) 4808 goto err_remove_pf; 4809 4810 pr_info("SPIC setup done.\n"); 4811 return 0; 4812 4813 err_remove_pf: 4814 sony_pf_remove(); 4815 4816 err_disable_device: 4817 sony_pic_disable(device); 4818 4819 err_free_irq: 4820 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4821 4822 err_release_region: 4823 release_region(spic_dev.cur_ioport->io1.minimum, 4824 spic_dev.cur_ioport->io1.address_length); 4825 if (spic_dev.cur_ioport->io2.minimum) 4826 release_region(spic_dev.cur_ioport->io2.minimum, 4827 spic_dev.cur_ioport->io2.address_length); 4828 4829 err_remove_compat: 4830 sonypi_compat_exit(); 4831 4832 err_remove_input: 4833 sony_laptop_remove_input(); 4834 4835 err_free_resources: 4836 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4837 list_del(&io->list); 4838 kfree(io); 4839 } 4840 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4841 list_del(&irq->list); 4842 kfree(irq); 4843 } 4844 spic_dev.cur_ioport = NULL; 4845 spic_dev.cur_irq = NULL; 4846 4847 return result; 4848 } 4849 4850 #ifdef CONFIG_PM_SLEEP 4851 static int sony_pic_suspend(struct device *dev) 4852 { 4853 if (sony_pic_disable(to_acpi_device(dev))) 4854 return -ENXIO; 4855 return 0; 4856 } 4857 4858 static int sony_pic_resume(struct device *dev) 4859 { 4860 sony_pic_enable(to_acpi_device(dev), 4861 spic_dev.cur_ioport, spic_dev.cur_irq); 4862 return 0; 4863 } 4864 #endif 4865 4866 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4867 4868 static const struct acpi_device_id sony_pic_device_ids[] = { 4869 {SONY_PIC_HID, 0}, 4870 {"", 0}, 4871 }; 4872 4873 static struct acpi_driver sony_pic_driver = { 4874 .name = SONY_PIC_DRIVER_NAME, 4875 .class = SONY_PIC_CLASS, 4876 .ids = sony_pic_device_ids, 4877 .owner = THIS_MODULE, 4878 .ops = { 4879 .add = sony_pic_add, 4880 .remove = sony_pic_remove, 4881 }, 4882 .drv.pm = &sony_pic_pm, 4883 }; 4884 4885 static const struct dmi_system_id sonypi_dmi_table[] __initconst = { 4886 { 4887 .ident = "Sony Vaio", 4888 .matches = { 4889 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4890 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4891 }, 4892 }, 4893 { 4894 .ident = "Sony Vaio", 4895 .matches = { 4896 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4897 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4898 }, 4899 }, 4900 { } 4901 }; 4902 4903 static int __init sony_laptop_init(void) 4904 { 4905 int result; 4906 4907 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4908 result = acpi_bus_register_driver(&sony_pic_driver); 4909 if (result) { 4910 pr_err("Unable to register SPIC driver\n"); 4911 goto out; 4912 } 4913 spic_drv_registered = 1; 4914 } 4915 4916 result = acpi_bus_register_driver(&sony_nc_driver); 4917 if (result) { 4918 pr_err("Unable to register SNC driver\n"); 4919 goto out_unregister_pic; 4920 } 4921 4922 return 0; 4923 4924 out_unregister_pic: 4925 if (spic_drv_registered) 4926 acpi_bus_unregister_driver(&sony_pic_driver); 4927 out: 4928 return result; 4929 } 4930 4931 static void __exit sony_laptop_exit(void) 4932 { 4933 acpi_bus_unregister_driver(&sony_nc_driver); 4934 if (spic_drv_registered) 4935 acpi_bus_unregister_driver(&sony_pic_driver); 4936 } 4937 4938 module_init(sony_laptop_init); 4939 module_exit(sony_laptop_exit); 4940