1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ACPI Sony Notebook Control Driver (SNC and SPIC) 4 * 5 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 6 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 7 * 8 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 9 * which are copyrighted by their respective authors. 10 * 11 * The SNY6001 driver part is based on the sonypi driver which includes 12 * material from: 13 * 14 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 15 * 16 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 17 * 18 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 19 * 20 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 21 * 22 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 23 * 24 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 25 * 26 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 27 * 28 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 29 */ 30 31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 32 33 #include <linux/kernel.h> 34 #include <linux/module.h> 35 #include <linux/moduleparam.h> 36 #include <linux/init.h> 37 #include <linux/types.h> 38 #include <linux/backlight.h> 39 #include <linux/platform_device.h> 40 #include <linux/err.h> 41 #include <linux/dmi.h> 42 #include <linux/pci.h> 43 #include <linux/interrupt.h> 44 #include <linux/delay.h> 45 #include <linux/input.h> 46 #include <linux/kfifo.h> 47 #include <linux/workqueue.h> 48 #include <linux/acpi.h> 49 #include <linux/slab.h> 50 #include <linux/sonypi.h> 51 #include <linux/sony-laptop.h> 52 #include <linux/rfkill.h> 53 #ifdef CONFIG_SONYPI_COMPAT 54 #include <linux/poll.h> 55 #include <linux/miscdevice.h> 56 #endif 57 #include <linux/uaccess.h> 58 #include <acpi/video.h> 59 60 #define dprintk(fmt, ...) \ 61 do { \ 62 if (debug) \ 63 pr_warn(fmt, ##__VA_ARGS__); \ 64 } while (0) 65 66 #define SONY_NC_CLASS "sony-nc" 67 #define SONY_NC_HID "SNY5001" 68 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 69 70 #define SONY_PIC_CLASS "sony-pic" 71 #define SONY_PIC_HID "SNY6001" 72 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 73 74 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 75 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 76 MODULE_LICENSE("GPL"); 77 78 static int debug; 79 module_param(debug, int, 0); 80 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 81 "the development of this driver"); 82 83 static int no_spic; /* = 0 */ 84 module_param(no_spic, int, 0444); 85 MODULE_PARM_DESC(no_spic, 86 "set this if you don't want to enable the SPIC device"); 87 88 static int compat; /* = 0 */ 89 module_param(compat, int, 0444); 90 MODULE_PARM_DESC(compat, 91 "set this if you want to enable backward compatibility mode"); 92 93 static unsigned long mask = 0xffffffff; 94 module_param(mask, ulong, 0644); 95 MODULE_PARM_DESC(mask, 96 "set this to the mask of event you want to enable (see doc)"); 97 98 static int camera; /* = 0 */ 99 module_param(camera, int, 0444); 100 MODULE_PARM_DESC(camera, 101 "set this to 1 to enable Motion Eye camera controls " 102 "(only use it if you have a C1VE or C1VN model)"); 103 104 #ifdef CONFIG_SONYPI_COMPAT 105 static int minor = -1; 106 module_param(minor, int, 0); 107 MODULE_PARM_DESC(minor, 108 "minor number of the misc device for the SPIC compatibility code, " 109 "default is -1 (automatic)"); 110 #endif 111 112 static int kbd_backlight = -1; 113 module_param(kbd_backlight, int, 0444); 114 MODULE_PARM_DESC(kbd_backlight, 115 "set this to 0 to disable keyboard backlight, " 116 "1 to enable it with automatic control and 2 to have it always " 117 "on (default: no change from current value)"); 118 119 static int kbd_backlight_timeout = -1; 120 module_param(kbd_backlight_timeout, int, 0444); 121 MODULE_PARM_DESC(kbd_backlight_timeout, 122 "meaningful values vary from 0 to 3 and their meaning depends " 123 "on the model (default: no change from current value)"); 124 125 #ifdef CONFIG_PM_SLEEP 126 static void sony_nc_thermal_resume(void); 127 #endif 128 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 129 unsigned int handle); 130 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 131 unsigned int handle); 132 133 static int sony_nc_battery_care_setup(struct platform_device *pd, 134 unsigned int handle); 135 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 136 137 static int sony_nc_thermal_setup(struct platform_device *pd); 138 static void sony_nc_thermal_cleanup(struct platform_device *pd); 139 140 static int sony_nc_lid_resume_setup(struct platform_device *pd, 141 unsigned int handle); 142 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 143 144 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 145 unsigned int handle); 146 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 147 static int __sony_nc_gfx_switch_status_get(void); 148 149 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 150 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 151 152 static int sony_nc_lowbatt_setup(struct platform_device *pd); 153 static void sony_nc_lowbatt_cleanup(struct platform_device *pd); 154 155 static int sony_nc_fanspeed_setup(struct platform_device *pd); 156 static void sony_nc_fanspeed_cleanup(struct platform_device *pd); 157 158 static int sony_nc_usb_charge_setup(struct platform_device *pd); 159 static void sony_nc_usb_charge_cleanup(struct platform_device *pd); 160 161 static int sony_nc_panelid_setup(struct platform_device *pd); 162 static void sony_nc_panelid_cleanup(struct platform_device *pd); 163 164 static int sony_nc_smart_conn_setup(struct platform_device *pd); 165 static void sony_nc_smart_conn_cleanup(struct platform_device *pd); 166 167 static int sony_nc_touchpad_setup(struct platform_device *pd, 168 unsigned int handle); 169 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 170 171 enum sony_nc_rfkill { 172 SONY_WIFI, 173 SONY_BLUETOOTH, 174 SONY_WWAN, 175 SONY_WIMAX, 176 N_SONY_RFKILL, 177 }; 178 179 static int sony_rfkill_handle; 180 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 181 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 182 static int sony_nc_rfkill_setup(struct acpi_device *device, 183 unsigned int handle); 184 static void sony_nc_rfkill_cleanup(void); 185 static void sony_nc_rfkill_update(void); 186 187 /*********** Input Devices ***********/ 188 189 #define SONY_LAPTOP_BUF_SIZE 128 190 struct sony_laptop_input_s { 191 atomic_t users; 192 struct input_dev *jog_dev; 193 struct input_dev *key_dev; 194 struct kfifo fifo; 195 spinlock_t fifo_lock; 196 struct timer_list release_key_timer; 197 }; 198 199 static struct sony_laptop_input_s sony_laptop_input = { 200 .users = ATOMIC_INIT(0), 201 }; 202 203 struct sony_laptop_keypress { 204 struct input_dev *dev; 205 int key; 206 }; 207 208 /* Correspondance table between sonypi events 209 * and input layer indexes in the keymap 210 */ 211 static const int sony_laptop_input_index[] = { 212 -1, /* 0 no event */ 213 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 214 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 215 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 216 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 217 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 218 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 219 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 220 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 221 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 222 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 223 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 224 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 225 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 226 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 227 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 228 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 229 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 230 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 231 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 232 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 233 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 234 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 235 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 236 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 237 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 238 19, /* 26 SONYPI_EVENT_FNKEY_D */ 239 20, /* 27 SONYPI_EVENT_FNKEY_E */ 240 21, /* 28 SONYPI_EVENT_FNKEY_F */ 241 22, /* 29 SONYPI_EVENT_FNKEY_S */ 242 23, /* 30 SONYPI_EVENT_FNKEY_B */ 243 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 244 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 245 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 246 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 247 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 248 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 249 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 250 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 251 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 252 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 253 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 254 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 255 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 256 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 257 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 258 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 259 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 260 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 261 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 262 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 263 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 264 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 265 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 266 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 267 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 268 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 269 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 270 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 271 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 272 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 273 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 274 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 275 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 276 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 277 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 278 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 279 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 280 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 281 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 282 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 283 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 284 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 285 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 286 }; 287 288 static int sony_laptop_input_keycode_map[] = { 289 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 290 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 291 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 292 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 293 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 294 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 295 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 296 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 297 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 298 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 299 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 300 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 301 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 302 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 303 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 304 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 305 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 306 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 307 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 308 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 309 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 310 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 311 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 312 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 313 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 314 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 315 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 316 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 317 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 318 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 319 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 320 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 321 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 322 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 323 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 324 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 325 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 326 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 327 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 328 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 329 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 330 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 331 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 332 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 333 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 334 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 335 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 336 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 337 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 338 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 339 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 340 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 341 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 342 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 343 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 344 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 345 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 346 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 347 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 348 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 349 }; 350 351 /* release buttons after a short delay if pressed */ 352 static void do_sony_laptop_release_key(struct timer_list *unused) 353 { 354 struct sony_laptop_keypress kp; 355 unsigned long flags; 356 357 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 358 359 if (kfifo_out(&sony_laptop_input.fifo, 360 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 361 input_report_key(kp.dev, kp.key, 0); 362 input_sync(kp.dev); 363 } 364 365 /* If there is something in the fifo schedule next release. */ 366 if (kfifo_len(&sony_laptop_input.fifo) != 0) 367 mod_timer(&sony_laptop_input.release_key_timer, 368 jiffies + msecs_to_jiffies(10)); 369 370 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 371 } 372 373 /* forward event to the input subsystem */ 374 static void sony_laptop_report_input_event(u8 event) 375 { 376 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 377 struct input_dev *key_dev = sony_laptop_input.key_dev; 378 struct sony_laptop_keypress kp = { NULL }; 379 int scancode = -1; 380 381 if (event == SONYPI_EVENT_FNKEY_RELEASED || 382 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 383 /* Nothing, not all VAIOs generate this event */ 384 return; 385 } 386 387 /* report events */ 388 switch (event) { 389 /* jog_dev events */ 390 case SONYPI_EVENT_JOGDIAL_UP: 391 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 392 input_report_rel(jog_dev, REL_WHEEL, 1); 393 input_sync(jog_dev); 394 return; 395 396 case SONYPI_EVENT_JOGDIAL_DOWN: 397 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 398 input_report_rel(jog_dev, REL_WHEEL, -1); 399 input_sync(jog_dev); 400 return; 401 402 /* key_dev events */ 403 case SONYPI_EVENT_JOGDIAL_PRESSED: 404 kp.key = BTN_MIDDLE; 405 kp.dev = jog_dev; 406 break; 407 408 default: 409 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 410 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 411 break; 412 } 413 if ((scancode = sony_laptop_input_index[event]) != -1) { 414 kp.key = sony_laptop_input_keycode_map[scancode]; 415 if (kp.key != KEY_UNKNOWN) 416 kp.dev = key_dev; 417 } 418 break; 419 } 420 421 if (kp.dev) { 422 /* if we have a scancode we emit it so we can always 423 remap the key */ 424 if (scancode != -1) 425 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 426 input_report_key(kp.dev, kp.key, 1); 427 input_sync(kp.dev); 428 429 /* schedule key release */ 430 kfifo_in_locked(&sony_laptop_input.fifo, 431 (unsigned char *)&kp, sizeof(kp), 432 &sony_laptop_input.fifo_lock); 433 mod_timer(&sony_laptop_input.release_key_timer, 434 jiffies + msecs_to_jiffies(10)); 435 } else 436 dprintk("unknown input event %.2x\n", event); 437 } 438 439 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 440 { 441 struct input_dev *jog_dev; 442 struct input_dev *key_dev; 443 int i; 444 int error; 445 446 /* don't run again if already initialized */ 447 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 448 return 0; 449 450 /* kfifo */ 451 spin_lock_init(&sony_laptop_input.fifo_lock); 452 error = kfifo_alloc(&sony_laptop_input.fifo, 453 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 454 if (error) { 455 pr_err("kfifo_alloc failed\n"); 456 goto err_dec_users; 457 } 458 459 timer_setup(&sony_laptop_input.release_key_timer, 460 do_sony_laptop_release_key, 0); 461 462 /* input keys */ 463 key_dev = input_allocate_device(); 464 if (!key_dev) { 465 error = -ENOMEM; 466 goto err_free_kfifo; 467 } 468 469 key_dev->name = "Sony Vaio Keys"; 470 key_dev->id.bustype = BUS_ISA; 471 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 472 key_dev->dev.parent = &acpi_device->dev; 473 474 /* Initialize the Input Drivers: special keys */ 475 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 476 477 __set_bit(EV_KEY, key_dev->evbit); 478 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 479 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 480 key_dev->keycode = &sony_laptop_input_keycode_map; 481 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 482 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 483 __clear_bit(KEY_RESERVED, key_dev->keybit); 484 485 error = input_register_device(key_dev); 486 if (error) 487 goto err_free_keydev; 488 489 sony_laptop_input.key_dev = key_dev; 490 491 /* jogdial */ 492 jog_dev = input_allocate_device(); 493 if (!jog_dev) { 494 error = -ENOMEM; 495 goto err_unregister_keydev; 496 } 497 498 jog_dev->name = "Sony Vaio Jogdial"; 499 jog_dev->id.bustype = BUS_ISA; 500 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 501 jog_dev->dev.parent = &acpi_device->dev; 502 503 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 504 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 505 506 error = input_register_device(jog_dev); 507 if (error) 508 goto err_free_jogdev; 509 510 sony_laptop_input.jog_dev = jog_dev; 511 512 return 0; 513 514 err_free_jogdev: 515 input_free_device(jog_dev); 516 517 err_unregister_keydev: 518 input_unregister_device(key_dev); 519 /* to avoid kref underflow below at input_free_device */ 520 key_dev = NULL; 521 522 err_free_keydev: 523 input_free_device(key_dev); 524 525 err_free_kfifo: 526 kfifo_free(&sony_laptop_input.fifo); 527 528 err_dec_users: 529 atomic_dec(&sony_laptop_input.users); 530 return error; 531 } 532 533 static void sony_laptop_remove_input(void) 534 { 535 struct sony_laptop_keypress kp = { NULL }; 536 537 /* Cleanup only after the last user has gone */ 538 if (!atomic_dec_and_test(&sony_laptop_input.users)) 539 return; 540 541 del_timer_sync(&sony_laptop_input.release_key_timer); 542 543 /* 544 * Generate key-up events for remaining keys. Note that we don't 545 * need locking since nobody is adding new events to the kfifo. 546 */ 547 while (kfifo_out(&sony_laptop_input.fifo, 548 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 549 input_report_key(kp.dev, kp.key, 0); 550 input_sync(kp.dev); 551 } 552 553 /* destroy input devs */ 554 input_unregister_device(sony_laptop_input.key_dev); 555 sony_laptop_input.key_dev = NULL; 556 557 if (sony_laptop_input.jog_dev) { 558 input_unregister_device(sony_laptop_input.jog_dev); 559 sony_laptop_input.jog_dev = NULL; 560 } 561 562 kfifo_free(&sony_laptop_input.fifo); 563 } 564 565 /*********** Platform Device ***********/ 566 567 static atomic_t sony_pf_users = ATOMIC_INIT(0); 568 static struct platform_driver sony_pf_driver = { 569 .driver = { 570 .name = "sony-laptop", 571 } 572 }; 573 static struct platform_device *sony_pf_device; 574 575 static int sony_pf_add(void) 576 { 577 int ret = 0; 578 579 /* don't run again if already initialized */ 580 if (atomic_add_return(1, &sony_pf_users) > 1) 581 return 0; 582 583 ret = platform_driver_register(&sony_pf_driver); 584 if (ret) 585 goto out; 586 587 sony_pf_device = platform_device_alloc("sony-laptop", PLATFORM_DEVID_NONE); 588 if (!sony_pf_device) { 589 ret = -ENOMEM; 590 goto out_platform_registered; 591 } 592 593 ret = platform_device_add(sony_pf_device); 594 if (ret) 595 goto out_platform_alloced; 596 597 return 0; 598 599 out_platform_alloced: 600 platform_device_put(sony_pf_device); 601 sony_pf_device = NULL; 602 out_platform_registered: 603 platform_driver_unregister(&sony_pf_driver); 604 out: 605 atomic_dec(&sony_pf_users); 606 return ret; 607 } 608 609 static void sony_pf_remove(void) 610 { 611 /* deregister only after the last user has gone */ 612 if (!atomic_dec_and_test(&sony_pf_users)) 613 return; 614 615 platform_device_unregister(sony_pf_device); 616 platform_driver_unregister(&sony_pf_driver); 617 } 618 619 /*********** SNC (SNY5001) Device ***********/ 620 621 /* the device uses 1-based values, while the backlight subsystem uses 622 0-based values */ 623 #define SONY_MAX_BRIGHTNESS 8 624 625 #define SNC_VALIDATE_IN 0 626 #define SNC_VALIDATE_OUT 1 627 628 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 629 char *); 630 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 631 const char *, size_t); 632 static int boolean_validate(const int, const int); 633 static int brightness_default_validate(const int, const int); 634 635 struct sony_nc_value { 636 char *name; /* name of the entry */ 637 char **acpiget; /* names of the ACPI get function */ 638 char **acpiset; /* names of the ACPI set function */ 639 int (*validate)(const int, const int); /* input/output validation */ 640 int value; /* current setting */ 641 int valid; /* Has ever been set */ 642 int debug; /* active only in debug mode ? */ 643 struct device_attribute devattr; /* sysfs attribute */ 644 }; 645 646 #define SNC_HANDLE_NAMES(_name, _values...) \ 647 static char *snc_##_name[] = { _values, NULL } 648 649 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 650 { \ 651 .name = __stringify(_name), \ 652 .acpiget = _getters, \ 653 .acpiset = _setters, \ 654 .validate = _validate, \ 655 .debug = _debug, \ 656 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 657 } 658 659 #define SNC_HANDLE_NULL { .name = NULL } 660 661 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 662 663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 664 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 665 666 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 667 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 668 669 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 670 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 671 672 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 673 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 674 675 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 676 677 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 678 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 679 680 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 681 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 682 683 SNC_HANDLE_NAMES(PID_get, "GPID"); 684 685 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 686 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 687 688 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 689 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 690 691 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 692 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 693 694 static struct sony_nc_value sony_nc_values[] = { 695 SNC_HANDLE(brightness_default, snc_brightness_def_get, 696 snc_brightness_def_set, brightness_default_validate, 0), 697 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 698 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 699 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 700 boolean_validate, 0), 701 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 702 boolean_validate, 1), 703 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 704 boolean_validate, 0), 705 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 706 boolean_validate, 0), 707 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 708 boolean_validate, 0), 709 /* unknown methods */ 710 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 711 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 712 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 713 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 714 SNC_HANDLE_NULL 715 }; 716 717 static acpi_handle sony_nc_acpi_handle; 718 static struct acpi_device *sony_nc_acpi_device = NULL; 719 720 /* 721 * acpi_evaluate_object wrappers 722 * all useful calls into SNC methods take one or zero parameters and return 723 * integers or arrays. 724 */ 725 static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 726 u64 *value) 727 { 728 union acpi_object *result = NULL; 729 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 730 acpi_status status; 731 732 if (value) { 733 struct acpi_object_list params; 734 union acpi_object in; 735 in.type = ACPI_TYPE_INTEGER; 736 in.integer.value = *value; 737 params.count = 1; 738 params.pointer = ∈ 739 status = acpi_evaluate_object(handle, method, ¶ms, &output); 740 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 741 (unsigned int)(*value >> 32), 742 (unsigned int)*value & 0xffffffff); 743 } else { 744 status = acpi_evaluate_object(handle, method, NULL, &output); 745 dprintk("__call_snc_method: [%s]\n", method); 746 } 747 748 if (ACPI_FAILURE(status)) { 749 pr_err("Failed to evaluate [%s]\n", method); 750 return NULL; 751 } 752 753 result = (union acpi_object *) output.pointer; 754 if (!result) 755 dprintk("No return object [%s]\n", method); 756 757 return result; 758 } 759 760 #define MIN(a, b) (a > b ? b : a) 761 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 762 void *buffer, size_t buflen) 763 { 764 int ret = 0; 765 size_t len; 766 union acpi_object *object = __call_snc_method(handle, name, value); 767 768 if (!object) 769 return -EINVAL; 770 771 if (!buffer) { 772 /* do nothing */ 773 } else if (object->type == ACPI_TYPE_BUFFER) { 774 len = MIN(buflen, object->buffer.length); 775 memset(buffer, 0, buflen); 776 memcpy(buffer, object->buffer.pointer, len); 777 778 } else if (object->type == ACPI_TYPE_INTEGER) { 779 len = MIN(buflen, sizeof(object->integer.value)); 780 memset(buffer, 0, buflen); 781 memcpy(buffer, &object->integer.value, len); 782 783 } else { 784 pr_warn("Unexpected acpi_object: 0x%x\n", object->type); 785 ret = -EINVAL; 786 } 787 788 kfree(object); 789 return ret; 790 } 791 792 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int 793 *result) 794 { 795 int ret; 796 797 if (value) { 798 u64 v = *value; 799 800 ret = sony_nc_buffer_call(handle, name, &v, result, 801 sizeof(*result)); 802 } else { 803 ret = sony_nc_buffer_call(handle, name, NULL, result, 804 sizeof(*result)); 805 } 806 return ret; 807 } 808 809 struct sony_nc_handles { 810 u16 cap[0x10]; 811 struct device_attribute devattr; 812 }; 813 814 static struct sony_nc_handles *handles; 815 816 static ssize_t sony_nc_handles_show(struct device *dev, 817 struct device_attribute *attr, char *buffer) 818 { 819 ssize_t len = 0; 820 int i; 821 822 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 823 len += scnprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 824 handles->cap[i]); 825 } 826 len += scnprintf(buffer + len, PAGE_SIZE - len, "\n"); 827 828 return len; 829 } 830 831 static int sony_nc_handles_setup(struct platform_device *pd) 832 { 833 int i, r, result, arg; 834 835 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 836 if (!handles) 837 return -ENOMEM; 838 839 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 840 arg = i + 0x20; 841 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 842 &result); 843 if (!r) { 844 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 845 result, i); 846 handles->cap[i] = result; 847 } 848 } 849 850 if (debug) { 851 sysfs_attr_init(&handles->devattr.attr); 852 handles->devattr.attr.name = "handles"; 853 handles->devattr.attr.mode = S_IRUGO; 854 handles->devattr.show = sony_nc_handles_show; 855 856 /* allow reading capabilities via sysfs */ 857 if (device_create_file(&pd->dev, &handles->devattr)) { 858 kfree(handles); 859 handles = NULL; 860 return -1; 861 } 862 } 863 864 return 0; 865 } 866 867 static int sony_nc_handles_cleanup(struct platform_device *pd) 868 { 869 if (handles) { 870 if (debug) 871 device_remove_file(&pd->dev, &handles->devattr); 872 kfree(handles); 873 handles = NULL; 874 } 875 return 0; 876 } 877 878 static int sony_find_snc_handle(int handle) 879 { 880 int i; 881 882 /* not initialized yet, return early */ 883 if (!handles || !handle) 884 return -EINVAL; 885 886 for (i = 0; i < 0x10; i++) { 887 if (handles->cap[i] == handle) { 888 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 889 handle, i); 890 return i; 891 } 892 } 893 dprintk("handle 0x%.4x not found\n", handle); 894 return -EINVAL; 895 } 896 897 static int sony_call_snc_handle(int handle, int argument, int *result) 898 { 899 int arg, ret = 0; 900 int offset = sony_find_snc_handle(handle); 901 902 if (offset < 0) 903 return offset; 904 905 arg = offset | argument; 906 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 907 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 908 return ret; 909 } 910 911 /* 912 * sony_nc_values input/output validate functions 913 */ 914 915 /* brightness_default_validate: 916 * 917 * manipulate input output values to keep consistency with the 918 * backlight framework for which brightness values are 0-based. 919 */ 920 static int brightness_default_validate(const int direction, const int value) 921 { 922 switch (direction) { 923 case SNC_VALIDATE_OUT: 924 return value - 1; 925 case SNC_VALIDATE_IN: 926 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 927 return value + 1; 928 } 929 return -EINVAL; 930 } 931 932 /* boolean_validate: 933 * 934 * on input validate boolean values 0/1, on output just pass the 935 * received value. 936 */ 937 static int boolean_validate(const int direction, const int value) 938 { 939 if (direction == SNC_VALIDATE_IN) { 940 if (value != 0 && value != 1) 941 return -EINVAL; 942 } 943 return value; 944 } 945 946 /* 947 * Sysfs show/store common to all sony_nc_values 948 */ 949 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 950 char *buffer) 951 { 952 int value, ret = 0; 953 struct sony_nc_value *item = 954 container_of(attr, struct sony_nc_value, devattr); 955 956 if (!*item->acpiget) 957 return -EIO; 958 959 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 960 &value); 961 if (ret < 0) 962 return -EIO; 963 964 if (item->validate) 965 value = item->validate(SNC_VALIDATE_OUT, value); 966 967 return sysfs_emit(buffer, "%d\n", value); 968 } 969 970 static ssize_t sony_nc_sysfs_store(struct device *dev, 971 struct device_attribute *attr, 972 const char *buffer, size_t count) 973 { 974 int value; 975 int ret = 0; 976 struct sony_nc_value *item = 977 container_of(attr, struct sony_nc_value, devattr); 978 979 if (!item->acpiset) 980 return -EIO; 981 982 if (count > 31) 983 return -EINVAL; 984 985 if (kstrtoint(buffer, 10, &value)) 986 return -EINVAL; 987 988 if (item->validate) 989 value = item->validate(SNC_VALIDATE_IN, value); 990 991 if (value < 0) 992 return value; 993 994 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 995 &value, NULL); 996 if (ret < 0) 997 return -EIO; 998 999 item->value = value; 1000 item->valid = 1; 1001 return count; 1002 } 1003 1004 1005 /* 1006 * Backlight device 1007 */ 1008 struct sony_backlight_props { 1009 struct backlight_device *dev; 1010 int handle; 1011 int cmd_base; 1012 u8 offset; 1013 u8 maxlvl; 1014 }; 1015 static struct sony_backlight_props sony_bl_props; 1016 1017 static int sony_backlight_update_status(struct backlight_device *bd) 1018 { 1019 int arg = bd->props.brightness + 1; 1020 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1021 } 1022 1023 static int sony_backlight_get_brightness(struct backlight_device *bd) 1024 { 1025 int value; 1026 1027 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1028 return 0; 1029 /* brightness levels are 1-based, while backlight ones are 0-based */ 1030 return value - 1; 1031 } 1032 1033 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1034 { 1035 int result; 1036 struct sony_backlight_props *sdev = 1037 (struct sony_backlight_props *)bl_get_data(bd); 1038 1039 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1040 1041 return (result & 0xff) - sdev->offset; 1042 } 1043 1044 static int sony_nc_update_status_ng(struct backlight_device *bd) 1045 { 1046 int value, result; 1047 struct sony_backlight_props *sdev = 1048 (struct sony_backlight_props *)bl_get_data(bd); 1049 1050 value = bd->props.brightness + sdev->offset; 1051 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1052 &result)) 1053 return -EIO; 1054 1055 return value; 1056 } 1057 1058 static const struct backlight_ops sony_backlight_ops = { 1059 .options = BL_CORE_SUSPENDRESUME, 1060 .update_status = sony_backlight_update_status, 1061 .get_brightness = sony_backlight_get_brightness, 1062 }; 1063 static const struct backlight_ops sony_backlight_ng_ops = { 1064 .options = BL_CORE_SUSPENDRESUME, 1065 .update_status = sony_nc_update_status_ng, 1066 .get_brightness = sony_nc_get_brightness_ng, 1067 }; 1068 1069 /* 1070 * New SNC-only Vaios event mapping to driver known keys 1071 */ 1072 struct sony_nc_event { 1073 u8 data; 1074 u8 event; 1075 }; 1076 1077 static struct sony_nc_event sony_100_events[] = { 1078 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1079 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1080 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1081 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1082 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1083 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1084 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1085 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1086 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1087 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1088 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1089 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1090 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1091 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1092 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1093 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1094 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1095 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1096 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1097 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1098 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1099 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1100 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1101 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1102 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1103 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1104 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1105 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1106 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1107 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1108 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1109 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1110 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1111 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1112 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1113 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1114 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1115 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1116 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1117 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1118 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1119 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1120 { 0, 0 }, 1121 }; 1122 1123 static struct sony_nc_event sony_127_events[] = { 1124 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1125 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1126 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1127 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1128 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1129 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1130 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1131 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1132 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1133 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1134 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1135 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1136 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1137 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1138 { 0, 0 }, 1139 }; 1140 1141 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1142 { 1143 int ret = -EINVAL; 1144 unsigned int result = 0; 1145 struct sony_nc_event *key_event; 1146 1147 if (sony_call_snc_handle(handle, 0x200, &result)) { 1148 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1149 event); 1150 return -EINVAL; 1151 } 1152 1153 result &= 0xFF; 1154 1155 if (handle == 0x0100) 1156 key_event = sony_100_events; 1157 else 1158 key_event = sony_127_events; 1159 1160 for (; key_event->data; key_event++) { 1161 if (key_event->data == result) { 1162 ret = key_event->event; 1163 break; 1164 } 1165 } 1166 1167 if (!key_event->data) 1168 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1169 event, result, handle); 1170 1171 return ret; 1172 } 1173 1174 /* 1175 * ACPI callbacks 1176 */ 1177 enum event_types { 1178 HOTKEY = 1, 1179 KILLSWITCH, 1180 GFX_SWITCH 1181 }; 1182 static void sony_nc_notify(struct acpi_device *device, u32 event) 1183 { 1184 u32 real_ev = event; 1185 u8 ev_type = 0; 1186 int ret; 1187 1188 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1189 1190 if (event >= 0x90) { 1191 unsigned int result = 0; 1192 unsigned int arg = 0; 1193 unsigned int handle = 0; 1194 unsigned int offset = event - 0x90; 1195 1196 if (offset >= ARRAY_SIZE(handles->cap)) { 1197 pr_err("Event 0x%x outside of capabilities list\n", 1198 event); 1199 return; 1200 } 1201 handle = handles->cap[offset]; 1202 1203 /* list of handles known for generating events */ 1204 switch (handle) { 1205 /* hotkey event */ 1206 case 0x0100: 1207 case 0x0127: 1208 ev_type = HOTKEY; 1209 ret = sony_nc_hotkeys_decode(event, handle); 1210 1211 if (ret > 0) { 1212 sony_laptop_report_input_event(ret); 1213 real_ev = ret; 1214 } 1215 1216 break; 1217 1218 /* wlan switch */ 1219 case 0x0124: 1220 case 0x0135: 1221 /* events on this handle are reported when the 1222 * switch changes position or for battery 1223 * events. We'll notify both of them but only 1224 * update the rfkill device status when the 1225 * switch is moved. 1226 */ 1227 ev_type = KILLSWITCH; 1228 sony_call_snc_handle(handle, 0x0100, &result); 1229 real_ev = result & 0x03; 1230 1231 /* hw switch event */ 1232 if (real_ev == 1) 1233 sony_nc_rfkill_update(); 1234 1235 break; 1236 1237 case 0x0128: 1238 case 0x0146: 1239 /* Hybrid GFX switching */ 1240 sony_call_snc_handle(handle, 0x0000, &result); 1241 dprintk("GFX switch event received (reason: %s)\n", 1242 (result == 0x1) ? "switch change" : 1243 (result == 0x2) ? "output switch" : 1244 (result == 0x3) ? "output switch" : 1245 ""); 1246 1247 ev_type = GFX_SWITCH; 1248 real_ev = __sony_nc_gfx_switch_status_get(); 1249 break; 1250 1251 case 0x015B: 1252 /* Hybrid GFX switching SVS151290S */ 1253 ev_type = GFX_SWITCH; 1254 real_ev = __sony_nc_gfx_switch_status_get(); 1255 break; 1256 default: 1257 dprintk("Unknown event 0x%x for handle 0x%x\n", 1258 event, handle); 1259 break; 1260 } 1261 1262 /* clear the event (and the event reason when present) */ 1263 arg = 1 << offset; 1264 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1265 1266 } else { 1267 /* old style event */ 1268 ev_type = HOTKEY; 1269 sony_laptop_report_input_event(real_ev); 1270 } 1271 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1272 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1273 } 1274 1275 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1276 void *context, void **return_value) 1277 { 1278 struct acpi_device_info *info; 1279 1280 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1281 pr_warn("method: name: %4.4s, args %X\n", 1282 (char *)&info->name, info->param_count); 1283 1284 kfree(info); 1285 } 1286 1287 return AE_OK; 1288 } 1289 1290 /* 1291 * ACPI device 1292 */ 1293 static void sony_nc_function_setup(struct acpi_device *device, 1294 struct platform_device *pf_device) 1295 { 1296 unsigned int i, result, bitmask, arg; 1297 1298 if (!handles) 1299 return; 1300 1301 /* setup found handles here */ 1302 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1303 unsigned int handle = handles->cap[i]; 1304 1305 if (!handle) 1306 continue; 1307 1308 dprintk("setting up handle 0x%.4x\n", handle); 1309 1310 switch (handle) { 1311 case 0x0100: 1312 case 0x0101: 1313 case 0x0127: 1314 /* setup hotkeys */ 1315 sony_call_snc_handle(handle, 0, &result); 1316 break; 1317 case 0x0102: 1318 /* setup hotkeys */ 1319 sony_call_snc_handle(handle, 0x100, &result); 1320 break; 1321 case 0x0105: 1322 case 0x0148: 1323 /* touchpad enable/disable */ 1324 result = sony_nc_touchpad_setup(pf_device, handle); 1325 if (result) 1326 pr_err("couldn't set up touchpad control function (%d)\n", 1327 result); 1328 break; 1329 case 0x0115: 1330 case 0x0136: 1331 case 0x013f: 1332 result = sony_nc_battery_care_setup(pf_device, handle); 1333 if (result) 1334 pr_err("couldn't set up battery care function (%d)\n", 1335 result); 1336 break; 1337 case 0x0119: 1338 case 0x015D: 1339 result = sony_nc_lid_resume_setup(pf_device, handle); 1340 if (result) 1341 pr_err("couldn't set up lid resume function (%d)\n", 1342 result); 1343 break; 1344 case 0x0122: 1345 result = sony_nc_thermal_setup(pf_device); 1346 if (result) 1347 pr_err("couldn't set up thermal profile function (%d)\n", 1348 result); 1349 break; 1350 case 0x0128: 1351 case 0x0146: 1352 case 0x015B: 1353 result = sony_nc_gfx_switch_setup(pf_device, handle); 1354 if (result) 1355 pr_err("couldn't set up GFX Switch status (%d)\n", 1356 result); 1357 break; 1358 case 0x0131: 1359 result = sony_nc_highspeed_charging_setup(pf_device); 1360 if (result) 1361 pr_err("couldn't set up high speed charging function (%d)\n", 1362 result); 1363 break; 1364 case 0x0124: 1365 case 0x0135: 1366 result = sony_nc_rfkill_setup(device, handle); 1367 if (result) 1368 pr_err("couldn't set up rfkill support (%d)\n", 1369 result); 1370 break; 1371 case 0x0137: 1372 case 0x0143: 1373 case 0x014b: 1374 case 0x014c: 1375 case 0x0153: 1376 case 0x0163: 1377 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1378 if (result) 1379 pr_err("couldn't set up keyboard backlight function (%d)\n", 1380 result); 1381 break; 1382 case 0x0121: 1383 result = sony_nc_lowbatt_setup(pf_device); 1384 if (result) 1385 pr_err("couldn't set up low battery function (%d)\n", 1386 result); 1387 break; 1388 case 0x0149: 1389 result = sony_nc_fanspeed_setup(pf_device); 1390 if (result) 1391 pr_err("couldn't set up fan speed function (%d)\n", 1392 result); 1393 break; 1394 case 0x0155: 1395 result = sony_nc_usb_charge_setup(pf_device); 1396 if (result) 1397 pr_err("couldn't set up USB charge support (%d)\n", 1398 result); 1399 break; 1400 case 0x011D: 1401 result = sony_nc_panelid_setup(pf_device); 1402 if (result) 1403 pr_err("couldn't set up panel ID function (%d)\n", 1404 result); 1405 break; 1406 case 0x0168: 1407 result = sony_nc_smart_conn_setup(pf_device); 1408 if (result) 1409 pr_err("couldn't set up smart connect support (%d)\n", 1410 result); 1411 break; 1412 default: 1413 continue; 1414 } 1415 } 1416 1417 /* Enable all events */ 1418 arg = 0x10; 1419 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1420 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1421 &result); 1422 } 1423 1424 static void sony_nc_function_cleanup(struct platform_device *pd) 1425 { 1426 unsigned int i, result, bitmask, handle; 1427 1428 if (!handles) 1429 return; 1430 1431 /* get enabled events and disable them */ 1432 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1433 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1434 1435 /* cleanup handles here */ 1436 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1437 1438 handle = handles->cap[i]; 1439 1440 if (!handle) 1441 continue; 1442 1443 switch (handle) { 1444 case 0x0105: 1445 case 0x0148: 1446 sony_nc_touchpad_cleanup(pd); 1447 break; 1448 case 0x0115: 1449 case 0x0136: 1450 case 0x013f: 1451 sony_nc_battery_care_cleanup(pd); 1452 break; 1453 case 0x0119: 1454 case 0x015D: 1455 sony_nc_lid_resume_cleanup(pd); 1456 break; 1457 case 0x0122: 1458 sony_nc_thermal_cleanup(pd); 1459 break; 1460 case 0x0128: 1461 case 0x0146: 1462 case 0x015B: 1463 sony_nc_gfx_switch_cleanup(pd); 1464 break; 1465 case 0x0131: 1466 sony_nc_highspeed_charging_cleanup(pd); 1467 break; 1468 case 0x0124: 1469 case 0x0135: 1470 sony_nc_rfkill_cleanup(); 1471 break; 1472 case 0x0137: 1473 case 0x0143: 1474 case 0x014b: 1475 case 0x014c: 1476 case 0x0153: 1477 case 0x0163: 1478 sony_nc_kbd_backlight_cleanup(pd, handle); 1479 break; 1480 case 0x0121: 1481 sony_nc_lowbatt_cleanup(pd); 1482 break; 1483 case 0x0149: 1484 sony_nc_fanspeed_cleanup(pd); 1485 break; 1486 case 0x0155: 1487 sony_nc_usb_charge_cleanup(pd); 1488 break; 1489 case 0x011D: 1490 sony_nc_panelid_cleanup(pd); 1491 break; 1492 case 0x0168: 1493 sony_nc_smart_conn_cleanup(pd); 1494 break; 1495 default: 1496 continue; 1497 } 1498 } 1499 1500 /* finally cleanup the handles list */ 1501 sony_nc_handles_cleanup(pd); 1502 } 1503 1504 #ifdef CONFIG_PM_SLEEP 1505 static void sony_nc_function_resume(void) 1506 { 1507 unsigned int i, result, bitmask, arg; 1508 1509 dprintk("Resuming SNC device\n"); 1510 1511 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1512 unsigned int handle = handles->cap[i]; 1513 1514 if (!handle) 1515 continue; 1516 1517 switch (handle) { 1518 case 0x0100: 1519 case 0x0101: 1520 case 0x0127: 1521 /* re-enable hotkeys */ 1522 sony_call_snc_handle(handle, 0, &result); 1523 break; 1524 case 0x0102: 1525 /* re-enable hotkeys */ 1526 sony_call_snc_handle(handle, 0x100, &result); 1527 break; 1528 case 0x0122: 1529 sony_nc_thermal_resume(); 1530 break; 1531 case 0x0124: 1532 case 0x0135: 1533 sony_nc_rfkill_update(); 1534 break; 1535 default: 1536 continue; 1537 } 1538 } 1539 1540 /* Enable all events */ 1541 arg = 0x10; 1542 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1543 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1544 &result); 1545 } 1546 1547 static int sony_nc_resume(struct device *dev) 1548 { 1549 struct sony_nc_value *item; 1550 1551 for (item = sony_nc_values; item->name; item++) { 1552 int ret; 1553 1554 if (!item->valid) 1555 continue; 1556 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1557 &item->value, NULL); 1558 if (ret < 0) { 1559 pr_err("%s: %d\n", __func__, ret); 1560 break; 1561 } 1562 } 1563 1564 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1565 int arg = 1; 1566 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1567 dprintk("ECON Method failed\n"); 1568 } 1569 1570 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1571 sony_nc_function_resume(); 1572 1573 return 0; 1574 } 1575 #endif 1576 1577 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1578 1579 static void sony_nc_rfkill_cleanup(void) 1580 { 1581 int i; 1582 1583 for (i = 0; i < N_SONY_RFKILL; i++) { 1584 if (sony_rfkill_devices[i]) { 1585 rfkill_unregister(sony_rfkill_devices[i]); 1586 rfkill_destroy(sony_rfkill_devices[i]); 1587 } 1588 } 1589 } 1590 1591 static int sony_nc_rfkill_set(void *data, bool blocked) 1592 { 1593 int result; 1594 int argument = sony_rfkill_address[(long) data] + 0x100; 1595 1596 if (!blocked) 1597 argument |= 0x070000; 1598 1599 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1600 } 1601 1602 static const struct rfkill_ops sony_rfkill_ops = { 1603 .set_block = sony_nc_rfkill_set, 1604 }; 1605 1606 static int sony_nc_setup_rfkill(struct acpi_device *device, 1607 enum sony_nc_rfkill nc_type) 1608 { 1609 int err; 1610 struct rfkill *rfk; 1611 enum rfkill_type type; 1612 const char *name; 1613 int result; 1614 bool hwblock, swblock; 1615 1616 switch (nc_type) { 1617 case SONY_WIFI: 1618 type = RFKILL_TYPE_WLAN; 1619 name = "sony-wifi"; 1620 break; 1621 case SONY_BLUETOOTH: 1622 type = RFKILL_TYPE_BLUETOOTH; 1623 name = "sony-bluetooth"; 1624 break; 1625 case SONY_WWAN: 1626 type = RFKILL_TYPE_WWAN; 1627 name = "sony-wwan"; 1628 break; 1629 case SONY_WIMAX: 1630 type = RFKILL_TYPE_WIMAX; 1631 name = "sony-wimax"; 1632 break; 1633 default: 1634 return -EINVAL; 1635 } 1636 1637 rfk = rfkill_alloc(name, &device->dev, type, 1638 &sony_rfkill_ops, (void *)nc_type); 1639 if (!rfk) 1640 return -ENOMEM; 1641 1642 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1643 if (err < 0) { 1644 rfkill_destroy(rfk); 1645 return err; 1646 } 1647 hwblock = !(result & 0x1); 1648 1649 err = sony_call_snc_handle(sony_rfkill_handle, 1650 sony_rfkill_address[nc_type], 1651 &result); 1652 if (err < 0) { 1653 rfkill_destroy(rfk); 1654 return err; 1655 } 1656 swblock = !(result & 0x2); 1657 1658 rfkill_init_sw_state(rfk, swblock); 1659 rfkill_set_hw_state(rfk, hwblock); 1660 1661 err = rfkill_register(rfk); 1662 if (err) { 1663 rfkill_destroy(rfk); 1664 return err; 1665 } 1666 sony_rfkill_devices[nc_type] = rfk; 1667 return err; 1668 } 1669 1670 static void sony_nc_rfkill_update(void) 1671 { 1672 enum sony_nc_rfkill i; 1673 int result; 1674 bool hwblock; 1675 1676 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1677 hwblock = !(result & 0x1); 1678 1679 for (i = 0; i < N_SONY_RFKILL; i++) { 1680 int argument = sony_rfkill_address[i]; 1681 1682 if (!sony_rfkill_devices[i]) 1683 continue; 1684 1685 if (hwblock) { 1686 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1687 /* we already know we're blocked */ 1688 } 1689 continue; 1690 } 1691 1692 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1693 rfkill_set_states(sony_rfkill_devices[i], 1694 !(result & 0x2), false); 1695 } 1696 } 1697 1698 static int sony_nc_rfkill_setup(struct acpi_device *device, 1699 unsigned int handle) 1700 { 1701 u64 offset; 1702 int i; 1703 unsigned char buffer[32] = { 0 }; 1704 1705 offset = sony_find_snc_handle(handle); 1706 sony_rfkill_handle = handle; 1707 1708 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1709 32); 1710 if (i < 0) 1711 return i; 1712 1713 /* The buffer is filled with magic numbers describing the devices 1714 * available, 0xff terminates the enumeration. 1715 * Known codes: 1716 * 0x00 WLAN 1717 * 0x10 BLUETOOTH 1718 * 0x20 WWAN GPRS-EDGE 1719 * 0x21 WWAN HSDPA 1720 * 0x22 WWAN EV-DO 1721 * 0x23 WWAN GPS 1722 * 0x25 Gobi WWAN no GPS 1723 * 0x26 Gobi WWAN + GPS 1724 * 0x28 Gobi WWAN no GPS 1725 * 0x29 Gobi WWAN + GPS 1726 * 0x30 WIMAX 1727 * 0x50 Gobi WWAN no GPS 1728 * 0x51 Gobi WWAN + GPS 1729 * 0x70 no SIM card slot 1730 * 0x71 SIM card slot 1731 */ 1732 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1733 1734 if (buffer[i] == 0xff) 1735 break; 1736 1737 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1738 1739 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1740 sony_nc_setup_rfkill(device, SONY_WIFI); 1741 1742 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1743 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1744 1745 if (((0xf0 & buffer[i]) == 0x20 || 1746 (0xf0 & buffer[i]) == 0x50) && 1747 !sony_rfkill_devices[SONY_WWAN]) 1748 sony_nc_setup_rfkill(device, SONY_WWAN); 1749 1750 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1751 sony_nc_setup_rfkill(device, SONY_WIMAX); 1752 } 1753 return 0; 1754 } 1755 1756 /* Keyboard backlight feature */ 1757 struct kbd_backlight { 1758 unsigned int handle; 1759 unsigned int base; 1760 unsigned int mode; 1761 unsigned int timeout; 1762 unsigned int has_timeout; 1763 struct device_attribute mode_attr; 1764 struct device_attribute timeout_attr; 1765 }; 1766 1767 static struct kbd_backlight *kbdbl_ctl; 1768 1769 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1770 { 1771 int result; 1772 1773 if (value > 2) 1774 return -EINVAL; 1775 1776 if (sony_call_snc_handle(kbdbl_ctl->handle, 1777 (value << 0x10) | (kbdbl_ctl->base), &result)) 1778 return -EIO; 1779 1780 /* Try to turn the light on/off immediately */ 1781 if (value != 1) 1782 sony_call_snc_handle(kbdbl_ctl->handle, 1783 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1784 &result); 1785 1786 kbdbl_ctl->mode = value; 1787 1788 return 0; 1789 } 1790 1791 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1792 struct device_attribute *attr, 1793 const char *buffer, size_t count) 1794 { 1795 int ret = 0; 1796 unsigned long value; 1797 1798 if (count > 31) 1799 return -EINVAL; 1800 1801 if (kstrtoul(buffer, 10, &value)) 1802 return -EINVAL; 1803 1804 ret = __sony_nc_kbd_backlight_mode_set(value); 1805 if (ret < 0) 1806 return ret; 1807 1808 return count; 1809 } 1810 1811 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1812 struct device_attribute *attr, char *buffer) 1813 { 1814 return sysfs_emit(buffer, "%d\n", kbdbl_ctl->mode); 1815 } 1816 1817 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1818 { 1819 int result; 1820 1821 if (value > 3) 1822 return -EINVAL; 1823 1824 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1825 (kbdbl_ctl->base + 0x200), &result)) 1826 return -EIO; 1827 1828 kbdbl_ctl->timeout = value; 1829 1830 return 0; 1831 } 1832 1833 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1834 struct device_attribute *attr, 1835 const char *buffer, size_t count) 1836 { 1837 int ret = 0; 1838 unsigned long value; 1839 1840 if (count > 31) 1841 return -EINVAL; 1842 1843 if (kstrtoul(buffer, 10, &value)) 1844 return -EINVAL; 1845 1846 ret = __sony_nc_kbd_backlight_timeout_set(value); 1847 if (ret < 0) 1848 return ret; 1849 1850 return count; 1851 } 1852 1853 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1854 struct device_attribute *attr, char *buffer) 1855 { 1856 return sysfs_emit(buffer, "%d\n", kbdbl_ctl->timeout); 1857 } 1858 1859 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1860 unsigned int handle) 1861 { 1862 int result; 1863 int probe_base = 0; 1864 int ctl_base = 0; 1865 int ret = 0; 1866 1867 if (kbdbl_ctl) { 1868 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1869 handle, kbdbl_ctl->handle); 1870 return -EBUSY; 1871 } 1872 1873 /* verify the kbd backlight presence, some of these handles are not used 1874 * for keyboard backlight only 1875 */ 1876 switch (handle) { 1877 case 0x0153: 1878 probe_base = 0x0; 1879 ctl_base = 0x0; 1880 break; 1881 case 0x0137: 1882 probe_base = 0x0B00; 1883 ctl_base = 0x0C00; 1884 break; 1885 default: 1886 probe_base = 0x0100; 1887 ctl_base = 0x4000; 1888 break; 1889 } 1890 1891 ret = sony_call_snc_handle(handle, probe_base, &result); 1892 if (ret) 1893 return ret; 1894 1895 if ((handle == 0x0137 && !(result & 0x02)) || 1896 !(result & 0x01)) { 1897 dprintk("no backlight keyboard found\n"); 1898 return 0; 1899 } 1900 1901 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1902 if (!kbdbl_ctl) 1903 return -ENOMEM; 1904 1905 kbdbl_ctl->mode = kbd_backlight; 1906 kbdbl_ctl->timeout = kbd_backlight_timeout; 1907 kbdbl_ctl->handle = handle; 1908 kbdbl_ctl->base = ctl_base; 1909 /* Some models do not allow timeout control */ 1910 kbdbl_ctl->has_timeout = handle != 0x0153; 1911 1912 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1913 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1914 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1915 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1916 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1917 1918 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1919 if (ret) 1920 goto outkzalloc; 1921 1922 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1923 1924 if (kbdbl_ctl->has_timeout) { 1925 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1926 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1927 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1928 kbdbl_ctl->timeout_attr.show = 1929 sony_nc_kbd_backlight_timeout_show; 1930 kbdbl_ctl->timeout_attr.store = 1931 sony_nc_kbd_backlight_timeout_store; 1932 1933 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1934 if (ret) 1935 goto outmode; 1936 1937 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1938 } 1939 1940 1941 return 0; 1942 1943 outmode: 1944 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1945 outkzalloc: 1946 kfree(kbdbl_ctl); 1947 kbdbl_ctl = NULL; 1948 return ret; 1949 } 1950 1951 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1952 unsigned int handle) 1953 { 1954 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1955 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1956 if (kbdbl_ctl->has_timeout) 1957 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1958 kfree(kbdbl_ctl); 1959 kbdbl_ctl = NULL; 1960 } 1961 } 1962 1963 struct battery_care_control { 1964 struct device_attribute attrs[2]; 1965 unsigned int handle; 1966 }; 1967 static struct battery_care_control *bcare_ctl; 1968 1969 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1970 struct device_attribute *attr, 1971 const char *buffer, size_t count) 1972 { 1973 unsigned int result, cmd; 1974 unsigned long value; 1975 1976 if (count > 31) 1977 return -EINVAL; 1978 1979 if (kstrtoul(buffer, 10, &value)) 1980 return -EINVAL; 1981 1982 /* limit values (2 bits): 1983 * 00 - none 1984 * 01 - 80% 1985 * 10 - 50% 1986 * 11 - 100% 1987 * 1988 * bit 0: 0 disable BCL, 1 enable BCL 1989 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1990 * bits 2,3: reserved 1991 * bits 4,5: store the limit into the EC 1992 * bits 6,7: store the limit into the battery 1993 */ 1994 cmd = 0; 1995 1996 if (value > 0) { 1997 if (value <= 50) 1998 cmd = 0x20; 1999 2000 else if (value <= 80) 2001 cmd = 0x10; 2002 2003 else if (value <= 100) 2004 cmd = 0x30; 2005 2006 else 2007 return -EINVAL; 2008 2009 /* 2010 * handle 0x0115 should allow storing on battery too; 2011 * handle 0x0136 same as 0x0115 + health status; 2012 * handle 0x013f, same as 0x0136 but no storing on the battery 2013 */ 2014 if (bcare_ctl->handle != 0x013f) 2015 cmd = cmd | (cmd << 2); 2016 2017 cmd = (cmd | 0x1) << 0x10; 2018 } 2019 2020 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2021 return -EIO; 2022 2023 return count; 2024 } 2025 2026 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2027 struct device_attribute *attr, char *buffer) 2028 { 2029 unsigned int result, status; 2030 2031 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2032 return -EIO; 2033 2034 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2035 switch (status) { 2036 case 1: 2037 status = 80; 2038 break; 2039 case 2: 2040 status = 50; 2041 break; 2042 case 3: 2043 status = 100; 2044 break; 2045 default: 2046 status = 0; 2047 break; 2048 } 2049 2050 return sysfs_emit(buffer, "%d\n", status); 2051 } 2052 2053 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2054 struct device_attribute *attr, char *buffer) 2055 { 2056 unsigned int health; 2057 2058 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2059 return -EIO; 2060 2061 return sysfs_emit(buffer, "%d\n", health & 0xff); 2062 } 2063 2064 static int sony_nc_battery_care_setup(struct platform_device *pd, 2065 unsigned int handle) 2066 { 2067 int ret = 0; 2068 2069 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2070 if (!bcare_ctl) 2071 return -ENOMEM; 2072 2073 bcare_ctl->handle = handle; 2074 2075 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2076 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2077 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2078 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2079 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2080 2081 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2082 if (ret) 2083 goto outkzalloc; 2084 2085 /* 0x0115 is for models with no health reporting capability */ 2086 if (handle == 0x0115) 2087 return 0; 2088 2089 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2090 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2091 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2092 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2093 2094 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2095 if (ret) 2096 goto outlimiter; 2097 2098 return 0; 2099 2100 outlimiter: 2101 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2102 2103 outkzalloc: 2104 kfree(bcare_ctl); 2105 bcare_ctl = NULL; 2106 2107 return ret; 2108 } 2109 2110 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2111 { 2112 if (bcare_ctl) { 2113 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2114 if (bcare_ctl->handle != 0x0115) 2115 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2116 2117 kfree(bcare_ctl); 2118 bcare_ctl = NULL; 2119 } 2120 } 2121 2122 struct snc_thermal_ctrl { 2123 unsigned int mode; 2124 unsigned int profiles; 2125 struct device_attribute mode_attr; 2126 struct device_attribute profiles_attr; 2127 }; 2128 static struct snc_thermal_ctrl *th_handle; 2129 2130 #define THM_PROFILE_MAX 3 2131 static const char * const snc_thermal_profiles[] = { 2132 "balanced", 2133 "silent", 2134 "performance" 2135 }; 2136 2137 static int sony_nc_thermal_mode_set(unsigned short mode) 2138 { 2139 unsigned int result; 2140 2141 /* the thermal profile seems to be a two bit bitmask: 2142 * lsb -> silent 2143 * msb -> performance 2144 * no bit set is the normal operation and is always valid 2145 * Some vaio models only have "balanced" and "performance" 2146 */ 2147 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2148 return -EINVAL; 2149 2150 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2151 return -EIO; 2152 2153 th_handle->mode = mode; 2154 2155 return 0; 2156 } 2157 2158 static int sony_nc_thermal_mode_get(void) 2159 { 2160 unsigned int result; 2161 2162 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2163 return -EIO; 2164 2165 return result & 0xff; 2166 } 2167 2168 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2169 struct device_attribute *attr, char *buffer) 2170 { 2171 short cnt; 2172 size_t idx = 0; 2173 2174 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2175 if (!cnt || (th_handle->profiles & cnt)) 2176 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2177 snc_thermal_profiles[cnt]); 2178 } 2179 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2180 2181 return idx; 2182 } 2183 2184 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2185 struct device_attribute *attr, 2186 const char *buffer, size_t count) 2187 { 2188 unsigned short cmd; 2189 size_t len = count; 2190 2191 if (count == 0) 2192 return -EINVAL; 2193 2194 /* skip the newline if present */ 2195 if (buffer[len - 1] == '\n') 2196 len--; 2197 2198 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2199 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2200 break; 2201 2202 if (sony_nc_thermal_mode_set(cmd)) 2203 return -EIO; 2204 2205 return count; 2206 } 2207 2208 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2209 struct device_attribute *attr, char *buffer) 2210 { 2211 int mode = sony_nc_thermal_mode_get(); 2212 2213 if (mode < 0) 2214 return mode; 2215 2216 return sysfs_emit(buffer, "%s\n", snc_thermal_profiles[mode]); 2217 } 2218 2219 static int sony_nc_thermal_setup(struct platform_device *pd) 2220 { 2221 int ret = 0; 2222 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2223 if (!th_handle) 2224 return -ENOMEM; 2225 2226 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2227 if (ret) { 2228 pr_warn("couldn't to read the thermal profiles\n"); 2229 goto outkzalloc; 2230 } 2231 2232 ret = sony_nc_thermal_mode_get(); 2233 if (ret < 0) { 2234 pr_warn("couldn't to read the current thermal profile"); 2235 goto outkzalloc; 2236 } 2237 th_handle->mode = ret; 2238 2239 sysfs_attr_init(&th_handle->profiles_attr.attr); 2240 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2241 th_handle->profiles_attr.attr.mode = S_IRUGO; 2242 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2243 2244 sysfs_attr_init(&th_handle->mode_attr.attr); 2245 th_handle->mode_attr.attr.name = "thermal_control"; 2246 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2247 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2248 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2249 2250 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2251 if (ret) 2252 goto outkzalloc; 2253 2254 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2255 if (ret) 2256 goto outprofiles; 2257 2258 return 0; 2259 2260 outprofiles: 2261 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2262 outkzalloc: 2263 kfree(th_handle); 2264 th_handle = NULL; 2265 return ret; 2266 } 2267 2268 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2269 { 2270 if (th_handle) { 2271 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2272 device_remove_file(&pd->dev, &th_handle->mode_attr); 2273 kfree(th_handle); 2274 th_handle = NULL; 2275 } 2276 } 2277 2278 #ifdef CONFIG_PM_SLEEP 2279 static void sony_nc_thermal_resume(void) 2280 { 2281 int status; 2282 2283 if (!th_handle) 2284 return; 2285 2286 status = sony_nc_thermal_mode_get(); 2287 2288 if (status != th_handle->mode) 2289 sony_nc_thermal_mode_set(th_handle->mode); 2290 } 2291 #endif 2292 2293 /* resume on LID open */ 2294 #define LID_RESUME_S5 0 2295 #define LID_RESUME_S4 1 2296 #define LID_RESUME_S3 2 2297 #define LID_RESUME_MAX 3 2298 struct snc_lid_resume_control { 2299 struct device_attribute attrs[LID_RESUME_MAX]; 2300 unsigned int status; 2301 int handle; 2302 }; 2303 static struct snc_lid_resume_control *lid_ctl; 2304 2305 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2306 struct device_attribute *attr, 2307 const char *buffer, size_t count) 2308 { 2309 unsigned int result; 2310 unsigned long value; 2311 unsigned int pos = LID_RESUME_S5; 2312 if (count > 31) 2313 return -EINVAL; 2314 2315 if (kstrtoul(buffer, 10, &value) || value > 1) 2316 return -EINVAL; 2317 2318 /* the value we have to write to SNC is a bitmask: 2319 * +--------------+ 2320 * | S3 | S4 | S5 | 2321 * +--------------+ 2322 * 2 1 0 2323 */ 2324 while (pos < LID_RESUME_MAX) { 2325 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2326 break; 2327 pos++; 2328 } 2329 if (pos == LID_RESUME_MAX) 2330 return -EINVAL; 2331 2332 if (value) 2333 value = lid_ctl->status | (1 << pos); 2334 else 2335 value = lid_ctl->status & ~(1 << pos); 2336 2337 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2338 &result)) 2339 return -EIO; 2340 2341 lid_ctl->status = value; 2342 2343 return count; 2344 } 2345 2346 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2347 struct device_attribute *attr, 2348 char *buffer) 2349 { 2350 unsigned int pos = LID_RESUME_S5; 2351 2352 while (pos < LID_RESUME_MAX) { 2353 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2354 return sysfs_emit(buffer, "%d\n", 2355 (lid_ctl->status >> pos) & 0x01); 2356 pos++; 2357 } 2358 return -EINVAL; 2359 } 2360 2361 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2362 unsigned int handle) 2363 { 2364 unsigned int result; 2365 int i; 2366 2367 if (sony_call_snc_handle(handle, 0x0000, &result)) 2368 return -EIO; 2369 2370 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2371 if (!lid_ctl) 2372 return -ENOMEM; 2373 2374 lid_ctl->status = result & 0x7; 2375 lid_ctl->handle = handle; 2376 2377 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2378 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2379 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2380 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2381 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2382 2383 if (handle == 0x0119) { 2384 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2385 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2386 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2387 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2388 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2389 2390 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2391 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2392 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2393 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2394 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2395 } 2396 for (i = 0; i < LID_RESUME_MAX && 2397 lid_ctl->attrs[i].attr.name; i++) { 2398 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2399 if (result) 2400 goto liderror; 2401 } 2402 2403 return 0; 2404 2405 liderror: 2406 for (i--; i >= 0; i--) 2407 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2408 2409 kfree(lid_ctl); 2410 lid_ctl = NULL; 2411 2412 return result; 2413 } 2414 2415 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2416 { 2417 int i; 2418 2419 if (lid_ctl) { 2420 for (i = 0; i < LID_RESUME_MAX; i++) { 2421 if (!lid_ctl->attrs[i].attr.name) 2422 break; 2423 2424 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2425 } 2426 2427 kfree(lid_ctl); 2428 lid_ctl = NULL; 2429 } 2430 } 2431 2432 /* GFX Switch position */ 2433 enum gfx_switch { 2434 SPEED, 2435 STAMINA, 2436 AUTO 2437 }; 2438 struct snc_gfx_switch_control { 2439 struct device_attribute attr; 2440 unsigned int handle; 2441 }; 2442 static struct snc_gfx_switch_control *gfxs_ctl; 2443 2444 /* returns 0 for speed, 1 for stamina */ 2445 static int __sony_nc_gfx_switch_status_get(void) 2446 { 2447 unsigned int result; 2448 2449 if (sony_call_snc_handle(gfxs_ctl->handle, 2450 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2451 &result)) 2452 return -EIO; 2453 2454 switch (gfxs_ctl->handle) { 2455 case 0x0146: 2456 /* 1: discrete GFX (speed) 2457 * 0: integrated GFX (stamina) 2458 */ 2459 return result & 0x1 ? SPEED : STAMINA; 2460 case 0x015B: 2461 /* 0: discrete GFX (speed) 2462 * 1: integrated GFX (stamina) 2463 */ 2464 return result & 0x1 ? STAMINA : SPEED; 2465 case 0x0128: 2466 /* it's a more elaborated bitmask, for now: 2467 * 2: integrated GFX (stamina) 2468 * 0: discrete GFX (speed) 2469 */ 2470 dprintk("GFX Status: 0x%x\n", result); 2471 return result & 0x80 ? AUTO : 2472 result & 0x02 ? STAMINA : SPEED; 2473 } 2474 return -EINVAL; 2475 } 2476 2477 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2478 struct device_attribute *attr, 2479 char *buffer) 2480 { 2481 int pos = __sony_nc_gfx_switch_status_get(); 2482 2483 if (pos < 0) 2484 return pos; 2485 2486 return sysfs_emit(buffer, "%s\n", 2487 pos == SPEED ? "speed" : 2488 pos == STAMINA ? "stamina" : 2489 pos == AUTO ? "auto" : "unknown"); 2490 } 2491 2492 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2493 unsigned int handle) 2494 { 2495 unsigned int result; 2496 2497 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2498 if (!gfxs_ctl) 2499 return -ENOMEM; 2500 2501 gfxs_ctl->handle = handle; 2502 2503 sysfs_attr_init(&gfxs_ctl->attr.attr); 2504 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2505 gfxs_ctl->attr.attr.mode = S_IRUGO; 2506 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2507 2508 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2509 if (result) 2510 goto gfxerror; 2511 2512 return 0; 2513 2514 gfxerror: 2515 kfree(gfxs_ctl); 2516 gfxs_ctl = NULL; 2517 2518 return result; 2519 } 2520 2521 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2522 { 2523 if (gfxs_ctl) { 2524 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2525 2526 kfree(gfxs_ctl); 2527 gfxs_ctl = NULL; 2528 } 2529 } 2530 2531 /* High speed charging function */ 2532 static struct device_attribute *hsc_handle; 2533 2534 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2535 struct device_attribute *attr, 2536 const char *buffer, size_t count) 2537 { 2538 unsigned int result; 2539 unsigned long value; 2540 2541 if (count > 31) 2542 return -EINVAL; 2543 2544 if (kstrtoul(buffer, 10, &value) || value > 1) 2545 return -EINVAL; 2546 2547 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2548 return -EIO; 2549 2550 return count; 2551 } 2552 2553 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2554 struct device_attribute *attr, char *buffer) 2555 { 2556 unsigned int result; 2557 2558 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2559 return -EIO; 2560 2561 return sysfs_emit(buffer, "%d\n", result & 0x01); 2562 } 2563 2564 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2565 { 2566 unsigned int result; 2567 2568 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2569 /* some models advertise the handle but have no implementation 2570 * for it 2571 */ 2572 pr_info("No High Speed Charging capability found\n"); 2573 return 0; 2574 } 2575 2576 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2577 if (!hsc_handle) 2578 return -ENOMEM; 2579 2580 sysfs_attr_init(&hsc_handle->attr); 2581 hsc_handle->attr.name = "battery_highspeed_charging"; 2582 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2583 hsc_handle->show = sony_nc_highspeed_charging_show; 2584 hsc_handle->store = sony_nc_highspeed_charging_store; 2585 2586 result = device_create_file(&pd->dev, hsc_handle); 2587 if (result) { 2588 kfree(hsc_handle); 2589 hsc_handle = NULL; 2590 return result; 2591 } 2592 2593 return 0; 2594 } 2595 2596 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2597 { 2598 if (hsc_handle) { 2599 device_remove_file(&pd->dev, hsc_handle); 2600 kfree(hsc_handle); 2601 hsc_handle = NULL; 2602 } 2603 } 2604 2605 /* low battery function */ 2606 static struct device_attribute *lowbatt_handle; 2607 2608 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2609 struct device_attribute *attr, 2610 const char *buffer, size_t count) 2611 { 2612 unsigned int result; 2613 unsigned long value; 2614 2615 if (count > 31) 2616 return -EINVAL; 2617 2618 if (kstrtoul(buffer, 10, &value) || value > 1) 2619 return -EINVAL; 2620 2621 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2622 return -EIO; 2623 2624 return count; 2625 } 2626 2627 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2628 struct device_attribute *attr, char *buffer) 2629 { 2630 unsigned int result; 2631 2632 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2633 return -EIO; 2634 2635 return sysfs_emit(buffer, "%d\n", result & 1); 2636 } 2637 2638 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2639 { 2640 unsigned int result; 2641 2642 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2643 if (!lowbatt_handle) 2644 return -ENOMEM; 2645 2646 sysfs_attr_init(&lowbatt_handle->attr); 2647 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2648 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2649 lowbatt_handle->show = sony_nc_lowbatt_show; 2650 lowbatt_handle->store = sony_nc_lowbatt_store; 2651 2652 result = device_create_file(&pd->dev, lowbatt_handle); 2653 if (result) { 2654 kfree(lowbatt_handle); 2655 lowbatt_handle = NULL; 2656 return result; 2657 } 2658 2659 return 0; 2660 } 2661 2662 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2663 { 2664 if (lowbatt_handle) { 2665 device_remove_file(&pd->dev, lowbatt_handle); 2666 kfree(lowbatt_handle); 2667 lowbatt_handle = NULL; 2668 } 2669 } 2670 2671 /* fan speed function */ 2672 static struct device_attribute *fan_handle, *hsf_handle; 2673 2674 static ssize_t sony_nc_hsfan_store(struct device *dev, 2675 struct device_attribute *attr, 2676 const char *buffer, size_t count) 2677 { 2678 unsigned int result; 2679 unsigned long value; 2680 2681 if (count > 31) 2682 return -EINVAL; 2683 2684 if (kstrtoul(buffer, 10, &value) || value > 1) 2685 return -EINVAL; 2686 2687 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2688 return -EIO; 2689 2690 return count; 2691 } 2692 2693 static ssize_t sony_nc_hsfan_show(struct device *dev, 2694 struct device_attribute *attr, char *buffer) 2695 { 2696 unsigned int result; 2697 2698 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2699 return -EIO; 2700 2701 return sysfs_emit(buffer, "%d\n", result & 0x01); 2702 } 2703 2704 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2705 struct device_attribute *attr, char *buffer) 2706 { 2707 unsigned int result; 2708 2709 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2710 return -EIO; 2711 2712 return sysfs_emit(buffer, "%d\n", result & 0xff); 2713 } 2714 2715 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2716 { 2717 unsigned int result; 2718 2719 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2720 if (!fan_handle) 2721 return -ENOMEM; 2722 2723 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2724 if (!hsf_handle) { 2725 result = -ENOMEM; 2726 goto out_hsf_handle_alloc; 2727 } 2728 2729 sysfs_attr_init(&fan_handle->attr); 2730 fan_handle->attr.name = "fanspeed"; 2731 fan_handle->attr.mode = S_IRUGO; 2732 fan_handle->show = sony_nc_fanspeed_show; 2733 fan_handle->store = NULL; 2734 2735 sysfs_attr_init(&hsf_handle->attr); 2736 hsf_handle->attr.name = "fan_forced"; 2737 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2738 hsf_handle->show = sony_nc_hsfan_show; 2739 hsf_handle->store = sony_nc_hsfan_store; 2740 2741 result = device_create_file(&pd->dev, fan_handle); 2742 if (result) 2743 goto out_fan_handle; 2744 2745 result = device_create_file(&pd->dev, hsf_handle); 2746 if (result) 2747 goto out_hsf_handle; 2748 2749 return 0; 2750 2751 out_hsf_handle: 2752 device_remove_file(&pd->dev, fan_handle); 2753 2754 out_fan_handle: 2755 kfree(hsf_handle); 2756 hsf_handle = NULL; 2757 2758 out_hsf_handle_alloc: 2759 kfree(fan_handle); 2760 fan_handle = NULL; 2761 return result; 2762 } 2763 2764 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2765 { 2766 if (fan_handle) { 2767 device_remove_file(&pd->dev, fan_handle); 2768 kfree(fan_handle); 2769 fan_handle = NULL; 2770 } 2771 if (hsf_handle) { 2772 device_remove_file(&pd->dev, hsf_handle); 2773 kfree(hsf_handle); 2774 hsf_handle = NULL; 2775 } 2776 } 2777 2778 /* USB charge function */ 2779 static struct device_attribute *uc_handle; 2780 2781 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2782 struct device_attribute *attr, 2783 const char *buffer, size_t count) 2784 { 2785 unsigned int result; 2786 unsigned long value; 2787 2788 if (count > 31) 2789 return -EINVAL; 2790 2791 if (kstrtoul(buffer, 10, &value) || value > 1) 2792 return -EINVAL; 2793 2794 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2795 return -EIO; 2796 2797 return count; 2798 } 2799 2800 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2801 struct device_attribute *attr, char *buffer) 2802 { 2803 unsigned int result; 2804 2805 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2806 return -EIO; 2807 2808 return sysfs_emit(buffer, "%d\n", result & 0x01); 2809 } 2810 2811 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2812 { 2813 unsigned int result; 2814 2815 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2816 /* some models advertise the handle but have no implementation 2817 * for it 2818 */ 2819 pr_info("No USB Charge capability found\n"); 2820 return 0; 2821 } 2822 2823 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2824 if (!uc_handle) 2825 return -ENOMEM; 2826 2827 sysfs_attr_init(&uc_handle->attr); 2828 uc_handle->attr.name = "usb_charge"; 2829 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2830 uc_handle->show = sony_nc_usb_charge_show; 2831 uc_handle->store = sony_nc_usb_charge_store; 2832 2833 result = device_create_file(&pd->dev, uc_handle); 2834 if (result) { 2835 kfree(uc_handle); 2836 uc_handle = NULL; 2837 return result; 2838 } 2839 2840 return 0; 2841 } 2842 2843 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2844 { 2845 if (uc_handle) { 2846 device_remove_file(&pd->dev, uc_handle); 2847 kfree(uc_handle); 2848 uc_handle = NULL; 2849 } 2850 } 2851 2852 /* Panel ID function */ 2853 static struct device_attribute *panel_handle; 2854 2855 static ssize_t sony_nc_panelid_show(struct device *dev, 2856 struct device_attribute *attr, char *buffer) 2857 { 2858 unsigned int result; 2859 2860 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2861 return -EIO; 2862 2863 return sysfs_emit(buffer, "%d\n", result); 2864 } 2865 2866 static int sony_nc_panelid_setup(struct platform_device *pd) 2867 { 2868 unsigned int result; 2869 2870 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2871 if (!panel_handle) 2872 return -ENOMEM; 2873 2874 sysfs_attr_init(&panel_handle->attr); 2875 panel_handle->attr.name = "panel_id"; 2876 panel_handle->attr.mode = S_IRUGO; 2877 panel_handle->show = sony_nc_panelid_show; 2878 panel_handle->store = NULL; 2879 2880 result = device_create_file(&pd->dev, panel_handle); 2881 if (result) { 2882 kfree(panel_handle); 2883 panel_handle = NULL; 2884 return result; 2885 } 2886 2887 return 0; 2888 } 2889 2890 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2891 { 2892 if (panel_handle) { 2893 device_remove_file(&pd->dev, panel_handle); 2894 kfree(panel_handle); 2895 panel_handle = NULL; 2896 } 2897 } 2898 2899 /* smart connect function */ 2900 static struct device_attribute *sc_handle; 2901 2902 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2903 struct device_attribute *attr, 2904 const char *buffer, size_t count) 2905 { 2906 unsigned int result; 2907 unsigned long value; 2908 2909 if (count > 31) 2910 return -EINVAL; 2911 2912 if (kstrtoul(buffer, 10, &value) || value > 1) 2913 return -EINVAL; 2914 2915 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2916 return -EIO; 2917 2918 return count; 2919 } 2920 2921 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2922 { 2923 unsigned int result; 2924 2925 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2926 if (!sc_handle) 2927 return -ENOMEM; 2928 2929 sysfs_attr_init(&sc_handle->attr); 2930 sc_handle->attr.name = "smart_connect"; 2931 sc_handle->attr.mode = S_IWUSR; 2932 sc_handle->show = NULL; 2933 sc_handle->store = sony_nc_smart_conn_store; 2934 2935 result = device_create_file(&pd->dev, sc_handle); 2936 if (result) { 2937 kfree(sc_handle); 2938 sc_handle = NULL; 2939 return result; 2940 } 2941 2942 return 0; 2943 } 2944 2945 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2946 { 2947 if (sc_handle) { 2948 device_remove_file(&pd->dev, sc_handle); 2949 kfree(sc_handle); 2950 sc_handle = NULL; 2951 } 2952 } 2953 2954 /* Touchpad enable/disable */ 2955 struct touchpad_control { 2956 struct device_attribute attr; 2957 int handle; 2958 }; 2959 static struct touchpad_control *tp_ctl; 2960 2961 static ssize_t sony_nc_touchpad_store(struct device *dev, 2962 struct device_attribute *attr, const char *buffer, size_t count) 2963 { 2964 unsigned int result; 2965 unsigned long value; 2966 2967 if (count > 31) 2968 return -EINVAL; 2969 2970 if (kstrtoul(buffer, 10, &value) || value > 1) 2971 return -EINVAL; 2972 2973 /* sysfs: 0 disabled, 1 enabled 2974 * EC: 0 enabled, 1 disabled 2975 */ 2976 if (sony_call_snc_handle(tp_ctl->handle, 2977 (!value << 0x10) | 0x100, &result)) 2978 return -EIO; 2979 2980 return count; 2981 } 2982 2983 static ssize_t sony_nc_touchpad_show(struct device *dev, 2984 struct device_attribute *attr, char *buffer) 2985 { 2986 unsigned int result; 2987 2988 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2989 return -EINVAL; 2990 2991 return sysfs_emit(buffer, "%d\n", !(result & 0x01)); 2992 } 2993 2994 static int sony_nc_touchpad_setup(struct platform_device *pd, 2995 unsigned int handle) 2996 { 2997 int ret = 0; 2998 2999 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3000 if (!tp_ctl) 3001 return -ENOMEM; 3002 3003 tp_ctl->handle = handle; 3004 3005 sysfs_attr_init(&tp_ctl->attr.attr); 3006 tp_ctl->attr.attr.name = "touchpad"; 3007 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3008 tp_ctl->attr.show = sony_nc_touchpad_show; 3009 tp_ctl->attr.store = sony_nc_touchpad_store; 3010 3011 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3012 if (ret) { 3013 kfree(tp_ctl); 3014 tp_ctl = NULL; 3015 } 3016 3017 return ret; 3018 } 3019 3020 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3021 { 3022 if (tp_ctl) { 3023 device_remove_file(&pd->dev, &tp_ctl->attr); 3024 kfree(tp_ctl); 3025 tp_ctl = NULL; 3026 } 3027 } 3028 3029 static void sony_nc_backlight_ng_read_limits(int handle, 3030 struct sony_backlight_props *props) 3031 { 3032 u64 offset; 3033 int i; 3034 int lvl_table_len = 0; 3035 u8 min = 0xff, max = 0x00; 3036 unsigned char buffer[32] = { 0 }; 3037 3038 props->handle = handle; 3039 props->offset = 0; 3040 props->maxlvl = 0xff; 3041 3042 offset = sony_find_snc_handle(handle); 3043 3044 /* try to read the boundaries from ACPI tables, if we fail the above 3045 * defaults should be reasonable 3046 */ 3047 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3048 32); 3049 if (i < 0) 3050 return; 3051 3052 switch (handle) { 3053 case 0x012f: 3054 case 0x0137: 3055 lvl_table_len = 9; 3056 break; 3057 case 0x143: 3058 case 0x14b: 3059 case 0x14c: 3060 lvl_table_len = 16; 3061 break; 3062 } 3063 3064 /* the buffer lists brightness levels available, brightness levels are 3065 * from position 0 to 8 in the array, other values are used by ALS 3066 * control. 3067 */ 3068 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3069 3070 dprintk("Brightness level: %d\n", buffer[i]); 3071 3072 if (!buffer[i]) 3073 break; 3074 3075 if (buffer[i] > max) 3076 max = buffer[i]; 3077 if (buffer[i] < min) 3078 min = buffer[i]; 3079 } 3080 props->offset = min; 3081 props->maxlvl = max; 3082 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3083 props->maxlvl); 3084 } 3085 3086 static void sony_nc_backlight_setup(void) 3087 { 3088 int max_brightness = 0; 3089 const struct backlight_ops *ops = NULL; 3090 struct backlight_properties props; 3091 3092 if (sony_find_snc_handle(0x12f) >= 0) { 3093 ops = &sony_backlight_ng_ops; 3094 sony_bl_props.cmd_base = 0x0100; 3095 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3096 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3097 3098 } else if (sony_find_snc_handle(0x137) >= 0) { 3099 ops = &sony_backlight_ng_ops; 3100 sony_bl_props.cmd_base = 0x0100; 3101 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3102 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3103 3104 } else if (sony_find_snc_handle(0x143) >= 0) { 3105 ops = &sony_backlight_ng_ops; 3106 sony_bl_props.cmd_base = 0x3000; 3107 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3108 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3109 3110 } else if (sony_find_snc_handle(0x14b) >= 0) { 3111 ops = &sony_backlight_ng_ops; 3112 sony_bl_props.cmd_base = 0x3000; 3113 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3114 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3115 3116 } else if (sony_find_snc_handle(0x14c) >= 0) { 3117 ops = &sony_backlight_ng_ops; 3118 sony_bl_props.cmd_base = 0x3000; 3119 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3120 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3121 3122 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3123 ops = &sony_backlight_ops; 3124 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3125 3126 } else 3127 return; 3128 3129 memset(&props, 0, sizeof(struct backlight_properties)); 3130 props.type = BACKLIGHT_PLATFORM; 3131 props.max_brightness = max_brightness; 3132 sony_bl_props.dev = backlight_device_register("sony", NULL, 3133 &sony_bl_props, 3134 ops, &props); 3135 3136 if (IS_ERR(sony_bl_props.dev)) { 3137 pr_warn("unable to register backlight device\n"); 3138 sony_bl_props.dev = NULL; 3139 } else 3140 sony_bl_props.dev->props.brightness = 3141 ops->get_brightness(sony_bl_props.dev); 3142 } 3143 3144 static void sony_nc_backlight_cleanup(void) 3145 { 3146 backlight_device_unregister(sony_bl_props.dev); 3147 } 3148 3149 static int sony_nc_add(struct acpi_device *device) 3150 { 3151 acpi_status status; 3152 int result = 0; 3153 struct sony_nc_value *item; 3154 3155 sony_nc_acpi_device = device; 3156 strcpy(acpi_device_class(device), "sony/hotkey"); 3157 3158 sony_nc_acpi_handle = device->handle; 3159 3160 /* read device status */ 3161 result = acpi_bus_get_status(device); 3162 /* bail IFF the above call was successful and the device is not present */ 3163 if (!result && !device->status.present) { 3164 dprintk("Device not present\n"); 3165 result = -ENODEV; 3166 goto outwalk; 3167 } 3168 3169 result = sony_pf_add(); 3170 if (result) 3171 goto outpresent; 3172 3173 if (debug) { 3174 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3175 sony_nc_acpi_handle, 1, sony_walk_callback, 3176 NULL, NULL, NULL); 3177 if (ACPI_FAILURE(status)) { 3178 pr_warn("unable to walk acpi resources\n"); 3179 result = -ENODEV; 3180 goto outpresent; 3181 } 3182 } 3183 3184 result = sony_laptop_setup_input(device); 3185 if (result) { 3186 pr_err("Unable to create input devices\n"); 3187 goto outplatform; 3188 } 3189 3190 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3191 int arg = 1; 3192 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3193 dprintk("ECON Method failed\n"); 3194 } 3195 3196 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3197 dprintk("Doing SNC setup\n"); 3198 /* retrieve the available handles */ 3199 result = sony_nc_handles_setup(sony_pf_device); 3200 if (!result) 3201 sony_nc_function_setup(device, sony_pf_device); 3202 } 3203 3204 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3205 sony_nc_backlight_setup(); 3206 3207 /* create sony_pf sysfs attributes related to the SNC device */ 3208 for (item = sony_nc_values; item->name; ++item) { 3209 3210 if (!debug && item->debug) 3211 continue; 3212 3213 /* find the available acpiget as described in the DSDT */ 3214 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3215 if (acpi_has_method(sony_nc_acpi_handle, 3216 *item->acpiget)) { 3217 dprintk("Found %s getter: %s\n", 3218 item->name, *item->acpiget); 3219 item->devattr.attr.mode |= S_IRUGO; 3220 break; 3221 } 3222 } 3223 3224 /* find the available acpiset as described in the DSDT */ 3225 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3226 if (acpi_has_method(sony_nc_acpi_handle, 3227 *item->acpiset)) { 3228 dprintk("Found %s setter: %s\n", 3229 item->name, *item->acpiset); 3230 item->devattr.attr.mode |= S_IWUSR; 3231 break; 3232 } 3233 } 3234 3235 if (item->devattr.attr.mode != 0) { 3236 result = 3237 device_create_file(&sony_pf_device->dev, 3238 &item->devattr); 3239 if (result) 3240 goto out_sysfs; 3241 } 3242 } 3243 3244 pr_info("SNC setup done.\n"); 3245 return 0; 3246 3247 out_sysfs: 3248 for (item = sony_nc_values; item->name; ++item) { 3249 device_remove_file(&sony_pf_device->dev, &item->devattr); 3250 } 3251 sony_nc_backlight_cleanup(); 3252 sony_nc_function_cleanup(sony_pf_device); 3253 sony_nc_handles_cleanup(sony_pf_device); 3254 3255 outplatform: 3256 sony_laptop_remove_input(); 3257 3258 outpresent: 3259 sony_pf_remove(); 3260 3261 outwalk: 3262 sony_nc_rfkill_cleanup(); 3263 return result; 3264 } 3265 3266 static int sony_nc_remove(struct acpi_device *device) 3267 { 3268 struct sony_nc_value *item; 3269 3270 sony_nc_backlight_cleanup(); 3271 3272 sony_nc_acpi_device = NULL; 3273 3274 for (item = sony_nc_values; item->name; ++item) { 3275 device_remove_file(&sony_pf_device->dev, &item->devattr); 3276 } 3277 3278 sony_nc_function_cleanup(sony_pf_device); 3279 sony_nc_handles_cleanup(sony_pf_device); 3280 sony_pf_remove(); 3281 sony_laptop_remove_input(); 3282 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3283 3284 return 0; 3285 } 3286 3287 static const struct acpi_device_id sony_device_ids[] = { 3288 {SONY_NC_HID, 0}, 3289 {SONY_PIC_HID, 0}, 3290 {"", 0}, 3291 }; 3292 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3293 3294 static const struct acpi_device_id sony_nc_device_ids[] = { 3295 {SONY_NC_HID, 0}, 3296 {"", 0}, 3297 }; 3298 3299 static struct acpi_driver sony_nc_driver = { 3300 .name = SONY_NC_DRIVER_NAME, 3301 .class = SONY_NC_CLASS, 3302 .ids = sony_nc_device_ids, 3303 .owner = THIS_MODULE, 3304 .ops = { 3305 .add = sony_nc_add, 3306 .remove = sony_nc_remove, 3307 .notify = sony_nc_notify, 3308 }, 3309 .drv.pm = &sony_nc_pm, 3310 }; 3311 3312 /*********** SPIC (SNY6001) Device ***********/ 3313 3314 #define SONYPI_DEVICE_TYPE1 0x00000001 3315 #define SONYPI_DEVICE_TYPE2 0x00000002 3316 #define SONYPI_DEVICE_TYPE3 0x00000004 3317 3318 #define SONYPI_TYPE1_OFFSET 0x04 3319 #define SONYPI_TYPE2_OFFSET 0x12 3320 #define SONYPI_TYPE3_OFFSET 0x12 3321 3322 struct sony_pic_ioport { 3323 struct acpi_resource_io io1; 3324 struct acpi_resource_io io2; 3325 struct list_head list; 3326 }; 3327 3328 struct sony_pic_irq { 3329 struct acpi_resource_irq irq; 3330 struct list_head list; 3331 }; 3332 3333 struct sonypi_eventtypes { 3334 u8 data; 3335 unsigned long mask; 3336 struct sonypi_event *events; 3337 }; 3338 3339 struct sony_pic_dev { 3340 struct acpi_device *acpi_dev; 3341 struct sony_pic_irq *cur_irq; 3342 struct sony_pic_ioport *cur_ioport; 3343 struct list_head interrupts; 3344 struct list_head ioports; 3345 struct mutex lock; 3346 struct sonypi_eventtypes *event_types; 3347 int (*handle_irq)(const u8, const u8); 3348 int model; 3349 u16 evport_offset; 3350 u8 camera_power; 3351 u8 bluetooth_power; 3352 u8 wwan_power; 3353 }; 3354 3355 static struct sony_pic_dev spic_dev = { 3356 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3357 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3358 }; 3359 3360 static int spic_drv_registered; 3361 3362 /* Event masks */ 3363 #define SONYPI_JOGGER_MASK 0x00000001 3364 #define SONYPI_CAPTURE_MASK 0x00000002 3365 #define SONYPI_FNKEY_MASK 0x00000004 3366 #define SONYPI_BLUETOOTH_MASK 0x00000008 3367 #define SONYPI_PKEY_MASK 0x00000010 3368 #define SONYPI_BACK_MASK 0x00000020 3369 #define SONYPI_HELP_MASK 0x00000040 3370 #define SONYPI_LID_MASK 0x00000080 3371 #define SONYPI_ZOOM_MASK 0x00000100 3372 #define SONYPI_THUMBPHRASE_MASK 0x00000200 3373 #define SONYPI_MEYE_MASK 0x00000400 3374 #define SONYPI_MEMORYSTICK_MASK 0x00000800 3375 #define SONYPI_BATTERY_MASK 0x00001000 3376 #define SONYPI_WIRELESS_MASK 0x00002000 3377 3378 struct sonypi_event { 3379 u8 data; 3380 u8 event; 3381 }; 3382 3383 /* The set of possible button release events */ 3384 static struct sonypi_event sonypi_releaseev[] = { 3385 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3386 { 0, 0 } 3387 }; 3388 3389 /* The set of possible jogger events */ 3390 static struct sonypi_event sonypi_joggerev[] = { 3391 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3392 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3393 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3394 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3395 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3396 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3397 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3398 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3399 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3400 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3401 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3402 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3403 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3404 { 0, 0 } 3405 }; 3406 3407 /* The set of possible capture button events */ 3408 static struct sonypi_event sonypi_captureev[] = { 3409 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3410 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3411 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3412 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3413 { 0, 0 } 3414 }; 3415 3416 /* The set of possible fnkeys events */ 3417 static struct sonypi_event sonypi_fnkeyev[] = { 3418 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3419 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3420 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3421 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3422 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3423 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3424 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3425 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3426 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3427 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3428 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3429 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3430 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3431 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3432 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3433 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3434 { 0x31, SONYPI_EVENT_FNKEY_D }, 3435 { 0x32, SONYPI_EVENT_FNKEY_E }, 3436 { 0x33, SONYPI_EVENT_FNKEY_F }, 3437 { 0x34, SONYPI_EVENT_FNKEY_S }, 3438 { 0x35, SONYPI_EVENT_FNKEY_B }, 3439 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3440 { 0, 0 } 3441 }; 3442 3443 /* The set of possible program key events */ 3444 static struct sonypi_event sonypi_pkeyev[] = { 3445 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3446 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3447 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3448 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3449 { 0, 0 } 3450 }; 3451 3452 /* The set of possible bluetooth events */ 3453 static struct sonypi_event sonypi_blueev[] = { 3454 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3455 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3456 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3457 { 0, 0 } 3458 }; 3459 3460 /* The set of possible wireless events */ 3461 static struct sonypi_event sonypi_wlessev[] = { 3462 { 0x59, SONYPI_EVENT_IGNORE }, 3463 { 0x5a, SONYPI_EVENT_IGNORE }, 3464 { 0, 0 } 3465 }; 3466 3467 /* The set of possible back button events */ 3468 static struct sonypi_event sonypi_backev[] = { 3469 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3470 { 0, 0 } 3471 }; 3472 3473 /* The set of possible help button events */ 3474 static struct sonypi_event sonypi_helpev[] = { 3475 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3476 { 0, 0 } 3477 }; 3478 3479 3480 /* The set of possible lid events */ 3481 static struct sonypi_event sonypi_lidev[] = { 3482 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3483 { 0x50, SONYPI_EVENT_LID_OPENED }, 3484 { 0, 0 } 3485 }; 3486 3487 /* The set of possible zoom events */ 3488 static struct sonypi_event sonypi_zoomev[] = { 3489 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3490 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3491 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3492 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3493 { 0, 0 } 3494 }; 3495 3496 /* The set of possible thumbphrase events */ 3497 static struct sonypi_event sonypi_thumbphraseev[] = { 3498 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3499 { 0, 0 } 3500 }; 3501 3502 /* The set of possible motioneye camera events */ 3503 static struct sonypi_event sonypi_meyeev[] = { 3504 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3505 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3506 { 0, 0 } 3507 }; 3508 3509 /* The set of possible memorystick events */ 3510 static struct sonypi_event sonypi_memorystickev[] = { 3511 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3512 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3513 { 0, 0 } 3514 }; 3515 3516 /* The set of possible battery events */ 3517 static struct sonypi_event sonypi_batteryev[] = { 3518 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3519 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3520 { 0, 0 } 3521 }; 3522 3523 /* The set of possible volume events */ 3524 static struct sonypi_event sonypi_volumeev[] = { 3525 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3526 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3527 { 0, 0 } 3528 }; 3529 3530 /* The set of possible brightness events */ 3531 static struct sonypi_event sonypi_brightnessev[] = { 3532 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3533 { 0, 0 } 3534 }; 3535 3536 static struct sonypi_eventtypes type1_events[] = { 3537 { 0, 0xffffffff, sonypi_releaseev }, 3538 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3539 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3540 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3541 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3542 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3543 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3544 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3545 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3546 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3547 { 0 }, 3548 }; 3549 static struct sonypi_eventtypes type2_events[] = { 3550 { 0, 0xffffffff, sonypi_releaseev }, 3551 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3552 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3553 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3554 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3555 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3556 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3557 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3558 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3559 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3560 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3561 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3562 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3563 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3564 { 0 }, 3565 }; 3566 static struct sonypi_eventtypes type3_events[] = { 3567 { 0, 0xffffffff, sonypi_releaseev }, 3568 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3569 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3570 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3571 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3572 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3573 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3574 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3575 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3576 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3577 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3578 { 0 }, 3579 }; 3580 3581 /* low level spic calls */ 3582 #define ITERATIONS_LONG 10000 3583 #define ITERATIONS_SHORT 10 3584 #define wait_on_command(command, iterations) { \ 3585 unsigned int n = iterations; \ 3586 while (--n && (command)) \ 3587 udelay(1); \ 3588 if (!n) \ 3589 dprintk("command failed at %s : %s (line %d)\n", \ 3590 __FILE__, __func__, __LINE__); \ 3591 } 3592 3593 static u8 sony_pic_call1(u8 dev) 3594 { 3595 u8 v1, v2; 3596 3597 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3598 ITERATIONS_LONG); 3599 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3600 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3601 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3602 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3603 return v2; 3604 } 3605 3606 static u8 sony_pic_call2(u8 dev, u8 fn) 3607 { 3608 u8 v1; 3609 3610 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3611 ITERATIONS_LONG); 3612 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3613 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3614 ITERATIONS_LONG); 3615 outb(fn, spic_dev.cur_ioport->io1.minimum); 3616 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3617 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3618 return v1; 3619 } 3620 3621 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3622 { 3623 u8 v1; 3624 3625 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3626 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3627 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3628 outb(fn, spic_dev.cur_ioport->io1.minimum); 3629 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3630 outb(v, spic_dev.cur_ioport->io1.minimum); 3631 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3632 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3633 dev, fn, v, v1); 3634 return v1; 3635 } 3636 3637 /* 3638 * minidrivers for SPIC models 3639 */ 3640 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3641 { 3642 /* 3643 * 0x31 could mean we have to take some extra action and wait for 3644 * the next irq for some Type3 models, it will generate a new 3645 * irq and we can read new data from the device: 3646 * - 0x5c and 0x5f requires 0xA0 3647 * - 0x61 requires 0xB3 3648 */ 3649 if (data_mask == 0x31) { 3650 if (ev == 0x5c || ev == 0x5f) 3651 sony_pic_call1(0xA0); 3652 else if (ev == 0x61) 3653 sony_pic_call1(0xB3); 3654 return 0; 3655 } 3656 return 1; 3657 } 3658 3659 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3660 { 3661 struct pci_dev *pcidev; 3662 3663 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3664 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3665 if (pcidev) { 3666 dev->model = SONYPI_DEVICE_TYPE1; 3667 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3668 dev->event_types = type1_events; 3669 goto out; 3670 } 3671 3672 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3673 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3674 if (pcidev) { 3675 dev->model = SONYPI_DEVICE_TYPE2; 3676 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3677 dev->event_types = type2_events; 3678 goto out; 3679 } 3680 3681 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3682 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3683 if (pcidev) { 3684 dev->model = SONYPI_DEVICE_TYPE3; 3685 dev->handle_irq = type3_handle_irq; 3686 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3687 dev->event_types = type3_events; 3688 goto out; 3689 } 3690 3691 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3692 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3693 if (pcidev) { 3694 dev->model = SONYPI_DEVICE_TYPE3; 3695 dev->handle_irq = type3_handle_irq; 3696 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3697 dev->event_types = type3_events; 3698 goto out; 3699 } 3700 3701 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3702 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3703 if (pcidev) { 3704 dev->model = SONYPI_DEVICE_TYPE3; 3705 dev->handle_irq = type3_handle_irq; 3706 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3707 dev->event_types = type3_events; 3708 goto out; 3709 } 3710 3711 /* default */ 3712 dev->model = SONYPI_DEVICE_TYPE2; 3713 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3714 dev->event_types = type2_events; 3715 3716 out: 3717 pci_dev_put(pcidev); 3718 3719 pr_info("detected Type%d model\n", 3720 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3721 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3722 } 3723 3724 /* camera tests and poweron/poweroff */ 3725 #define SONYPI_CAMERA_PICTURE 5 3726 #define SONYPI_CAMERA_CONTROL 0x10 3727 3728 #define SONYPI_CAMERA_BRIGHTNESS 0 3729 #define SONYPI_CAMERA_CONTRAST 1 3730 #define SONYPI_CAMERA_HUE 2 3731 #define SONYPI_CAMERA_COLOR 3 3732 #define SONYPI_CAMERA_SHARPNESS 4 3733 3734 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3735 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3736 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3737 #define SONYPI_CAMERA_MUTE_MASK 0x40 3738 3739 /* the rest don't need a loop until not 0xff */ 3740 #define SONYPI_CAMERA_AGC 6 3741 #define SONYPI_CAMERA_AGC_MASK 0x30 3742 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3743 3744 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3745 #define SONYPI_CAMERA_CONTROL 0x10 3746 3747 #define SONYPI_CAMERA_STATUS 7 3748 #define SONYPI_CAMERA_STATUS_READY 0x2 3749 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3750 3751 #define SONYPI_DIRECTION_BACKWARDS 0x4 3752 3753 #define SONYPI_CAMERA_REVISION 8 3754 #define SONYPI_CAMERA_ROMVERSION 9 3755 3756 static int __sony_pic_camera_ready(void) 3757 { 3758 u8 v; 3759 3760 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3761 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3762 } 3763 3764 static int __sony_pic_camera_off(void) 3765 { 3766 if (!camera) { 3767 pr_warn("camera control not enabled\n"); 3768 return -ENODEV; 3769 } 3770 3771 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3772 SONYPI_CAMERA_MUTE_MASK), 3773 ITERATIONS_SHORT); 3774 3775 if (spic_dev.camera_power) { 3776 sony_pic_call2(0x91, 0); 3777 spic_dev.camera_power = 0; 3778 } 3779 return 0; 3780 } 3781 3782 static int __sony_pic_camera_on(void) 3783 { 3784 int i, j, x; 3785 3786 if (!camera) { 3787 pr_warn("camera control not enabled\n"); 3788 return -ENODEV; 3789 } 3790 3791 if (spic_dev.camera_power) 3792 return 0; 3793 3794 for (j = 5; j > 0; j--) { 3795 3796 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3797 msleep(10); 3798 sony_pic_call1(0x93); 3799 3800 for (i = 400; i > 0; i--) { 3801 if (__sony_pic_camera_ready()) 3802 break; 3803 msleep(10); 3804 } 3805 if (i) 3806 break; 3807 } 3808 3809 if (j == 0) { 3810 pr_warn("failed to power on camera\n"); 3811 return -ENODEV; 3812 } 3813 3814 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3815 0x5a), 3816 ITERATIONS_SHORT); 3817 3818 spic_dev.camera_power = 1; 3819 return 0; 3820 } 3821 3822 /* External camera command (exported to the motion eye v4l driver) */ 3823 int sony_pic_camera_command(int command, u8 value) 3824 { 3825 if (!camera) 3826 return -EIO; 3827 3828 mutex_lock(&spic_dev.lock); 3829 3830 switch (command) { 3831 case SONY_PIC_COMMAND_SETCAMERA: 3832 if (value) 3833 __sony_pic_camera_on(); 3834 else 3835 __sony_pic_camera_off(); 3836 break; 3837 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3838 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3839 ITERATIONS_SHORT); 3840 break; 3841 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3842 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3843 ITERATIONS_SHORT); 3844 break; 3845 case SONY_PIC_COMMAND_SETCAMERAHUE: 3846 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3847 ITERATIONS_SHORT); 3848 break; 3849 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3850 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3851 ITERATIONS_SHORT); 3852 break; 3853 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3854 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3855 ITERATIONS_SHORT); 3856 break; 3857 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3858 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3859 ITERATIONS_SHORT); 3860 break; 3861 case SONY_PIC_COMMAND_SETCAMERAAGC: 3862 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3863 ITERATIONS_SHORT); 3864 break; 3865 default: 3866 pr_err("sony_pic_camera_command invalid: %d\n", command); 3867 break; 3868 } 3869 mutex_unlock(&spic_dev.lock); 3870 return 0; 3871 } 3872 EXPORT_SYMBOL(sony_pic_camera_command); 3873 3874 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3875 static void __sony_pic_set_wwanpower(u8 state) 3876 { 3877 state = !!state; 3878 if (spic_dev.wwan_power == state) 3879 return; 3880 sony_pic_call2(0xB0, state); 3881 sony_pic_call1(0x82); 3882 spic_dev.wwan_power = state; 3883 } 3884 3885 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3886 struct device_attribute *attr, 3887 const char *buffer, size_t count) 3888 { 3889 unsigned long value; 3890 if (count > 31) 3891 return -EINVAL; 3892 3893 if (kstrtoul(buffer, 10, &value)) 3894 return -EINVAL; 3895 3896 mutex_lock(&spic_dev.lock); 3897 __sony_pic_set_wwanpower(value); 3898 mutex_unlock(&spic_dev.lock); 3899 3900 return count; 3901 } 3902 3903 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3904 struct device_attribute *attr, char *buffer) 3905 { 3906 ssize_t count; 3907 mutex_lock(&spic_dev.lock); 3908 count = sysfs_emit(buffer, "%d\n", spic_dev.wwan_power); 3909 mutex_unlock(&spic_dev.lock); 3910 return count; 3911 } 3912 3913 /* bluetooth subsystem power state */ 3914 static void __sony_pic_set_bluetoothpower(u8 state) 3915 { 3916 state = !!state; 3917 if (spic_dev.bluetooth_power == state) 3918 return; 3919 sony_pic_call2(0x96, state); 3920 sony_pic_call1(0x82); 3921 spic_dev.bluetooth_power = state; 3922 } 3923 3924 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3925 struct device_attribute *attr, 3926 const char *buffer, size_t count) 3927 { 3928 unsigned long value; 3929 if (count > 31) 3930 return -EINVAL; 3931 3932 if (kstrtoul(buffer, 10, &value)) 3933 return -EINVAL; 3934 3935 mutex_lock(&spic_dev.lock); 3936 __sony_pic_set_bluetoothpower(value); 3937 mutex_unlock(&spic_dev.lock); 3938 3939 return count; 3940 } 3941 3942 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3943 struct device_attribute *attr, char *buffer) 3944 { 3945 ssize_t count = 0; 3946 mutex_lock(&spic_dev.lock); 3947 count = sysfs_emit(buffer, "%d\n", spic_dev.bluetooth_power); 3948 mutex_unlock(&spic_dev.lock); 3949 return count; 3950 } 3951 3952 /* fan speed */ 3953 /* FAN0 information (reverse engineered from ACPI tables) */ 3954 #define SONY_PIC_FAN0_STATUS 0x93 3955 static int sony_pic_set_fanspeed(unsigned long value) 3956 { 3957 return ec_write(SONY_PIC_FAN0_STATUS, value); 3958 } 3959 3960 static int sony_pic_get_fanspeed(u8 *value) 3961 { 3962 return ec_read(SONY_PIC_FAN0_STATUS, value); 3963 } 3964 3965 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3966 struct device_attribute *attr, 3967 const char *buffer, size_t count) 3968 { 3969 unsigned long value; 3970 if (count > 31) 3971 return -EINVAL; 3972 3973 if (kstrtoul(buffer, 10, &value)) 3974 return -EINVAL; 3975 3976 if (sony_pic_set_fanspeed(value)) 3977 return -EIO; 3978 3979 return count; 3980 } 3981 3982 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3983 struct device_attribute *attr, char *buffer) 3984 { 3985 u8 value = 0; 3986 if (sony_pic_get_fanspeed(&value)) 3987 return -EIO; 3988 3989 return sysfs_emit(buffer, "%d\n", value); 3990 } 3991 3992 #define SPIC_ATTR(_name, _mode) \ 3993 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 3994 _mode, sony_pic_## _name ##_show, \ 3995 sony_pic_## _name ##_store) 3996 3997 static SPIC_ATTR(bluetoothpower, 0644); 3998 static SPIC_ATTR(wwanpower, 0644); 3999 static SPIC_ATTR(fanspeed, 0644); 4000 4001 static struct attribute *spic_attributes[] = { 4002 &spic_attr_bluetoothpower.attr, 4003 &spic_attr_wwanpower.attr, 4004 &spic_attr_fanspeed.attr, 4005 NULL 4006 }; 4007 4008 static const struct attribute_group spic_attribute_group = { 4009 .attrs = spic_attributes 4010 }; 4011 4012 /******** SONYPI compatibility **********/ 4013 #ifdef CONFIG_SONYPI_COMPAT 4014 4015 /* battery / brightness / temperature addresses */ 4016 #define SONYPI_BAT_FLAGS 0x81 4017 #define SONYPI_LCD_LIGHT 0x96 4018 #define SONYPI_BAT1_PCTRM 0xa0 4019 #define SONYPI_BAT1_LEFT 0xa2 4020 #define SONYPI_BAT1_MAXRT 0xa4 4021 #define SONYPI_BAT2_PCTRM 0xa8 4022 #define SONYPI_BAT2_LEFT 0xaa 4023 #define SONYPI_BAT2_MAXRT 0xac 4024 #define SONYPI_BAT1_MAXTK 0xb0 4025 #define SONYPI_BAT1_FULL 0xb2 4026 #define SONYPI_BAT2_MAXTK 0xb8 4027 #define SONYPI_BAT2_FULL 0xba 4028 #define SONYPI_TEMP_STATUS 0xC1 4029 4030 struct sonypi_compat_s { 4031 struct fasync_struct *fifo_async; 4032 struct kfifo fifo; 4033 spinlock_t fifo_lock; 4034 wait_queue_head_t fifo_proc_list; 4035 atomic_t open_count; 4036 }; 4037 static struct sonypi_compat_s sonypi_compat = { 4038 .open_count = ATOMIC_INIT(0), 4039 }; 4040 4041 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4042 { 4043 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4044 } 4045 4046 static int sonypi_misc_release(struct inode *inode, struct file *file) 4047 { 4048 atomic_dec(&sonypi_compat.open_count); 4049 return 0; 4050 } 4051 4052 static int sonypi_misc_open(struct inode *inode, struct file *file) 4053 { 4054 /* Flush input queue on first open */ 4055 unsigned long flags; 4056 4057 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4058 4059 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4060 kfifo_reset(&sonypi_compat.fifo); 4061 4062 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4063 4064 return 0; 4065 } 4066 4067 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4068 size_t count, loff_t *pos) 4069 { 4070 ssize_t ret; 4071 unsigned char c; 4072 4073 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4074 (file->f_flags & O_NONBLOCK)) 4075 return -EAGAIN; 4076 4077 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4078 kfifo_len(&sonypi_compat.fifo) != 0); 4079 if (ret) 4080 return ret; 4081 4082 while (ret < count && 4083 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4084 &sonypi_compat.fifo_lock) == sizeof(c))) { 4085 if (put_user(c, buf++)) 4086 return -EFAULT; 4087 ret++; 4088 } 4089 4090 if (ret > 0) { 4091 struct inode *inode = file_inode(file); 4092 inode->i_atime = current_time(inode); 4093 } 4094 4095 return ret; 4096 } 4097 4098 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 4099 { 4100 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4101 if (kfifo_len(&sonypi_compat.fifo)) 4102 return EPOLLIN | EPOLLRDNORM; 4103 return 0; 4104 } 4105 4106 static int ec_read16(u8 addr, u16 *value) 4107 { 4108 u8 val_lb, val_hb; 4109 if (ec_read(addr, &val_lb)) 4110 return -1; 4111 if (ec_read(addr + 1, &val_hb)) 4112 return -1; 4113 *value = val_lb | (val_hb << 8); 4114 return 0; 4115 } 4116 4117 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4118 unsigned long arg) 4119 { 4120 int ret = 0; 4121 void __user *argp = (void __user *)arg; 4122 u8 val8; 4123 u16 val16; 4124 int value; 4125 4126 mutex_lock(&spic_dev.lock); 4127 switch (cmd) { 4128 case SONYPI_IOCGBRT: 4129 if (sony_bl_props.dev == NULL) { 4130 ret = -EIO; 4131 break; 4132 } 4133 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4134 &value)) { 4135 ret = -EIO; 4136 break; 4137 } 4138 val8 = ((value & 0xff) - 1) << 5; 4139 if (copy_to_user(argp, &val8, sizeof(val8))) 4140 ret = -EFAULT; 4141 break; 4142 case SONYPI_IOCSBRT: 4143 if (sony_bl_props.dev == NULL) { 4144 ret = -EIO; 4145 break; 4146 } 4147 if (copy_from_user(&val8, argp, sizeof(val8))) { 4148 ret = -EFAULT; 4149 break; 4150 } 4151 value = (val8 >> 5) + 1; 4152 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4153 NULL)) { 4154 ret = -EIO; 4155 break; 4156 } 4157 /* sync the backlight device status */ 4158 sony_bl_props.dev->props.brightness = 4159 sony_backlight_get_brightness(sony_bl_props.dev); 4160 break; 4161 case SONYPI_IOCGBAT1CAP: 4162 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4163 ret = -EIO; 4164 break; 4165 } 4166 if (copy_to_user(argp, &val16, sizeof(val16))) 4167 ret = -EFAULT; 4168 break; 4169 case SONYPI_IOCGBAT1REM: 4170 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4171 ret = -EIO; 4172 break; 4173 } 4174 if (copy_to_user(argp, &val16, sizeof(val16))) 4175 ret = -EFAULT; 4176 break; 4177 case SONYPI_IOCGBAT2CAP: 4178 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4179 ret = -EIO; 4180 break; 4181 } 4182 if (copy_to_user(argp, &val16, sizeof(val16))) 4183 ret = -EFAULT; 4184 break; 4185 case SONYPI_IOCGBAT2REM: 4186 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4187 ret = -EIO; 4188 break; 4189 } 4190 if (copy_to_user(argp, &val16, sizeof(val16))) 4191 ret = -EFAULT; 4192 break; 4193 case SONYPI_IOCGBATFLAGS: 4194 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4195 ret = -EIO; 4196 break; 4197 } 4198 val8 &= 0x07; 4199 if (copy_to_user(argp, &val8, sizeof(val8))) 4200 ret = -EFAULT; 4201 break; 4202 case SONYPI_IOCGBLUE: 4203 val8 = spic_dev.bluetooth_power; 4204 if (copy_to_user(argp, &val8, sizeof(val8))) 4205 ret = -EFAULT; 4206 break; 4207 case SONYPI_IOCSBLUE: 4208 if (copy_from_user(&val8, argp, sizeof(val8))) { 4209 ret = -EFAULT; 4210 break; 4211 } 4212 __sony_pic_set_bluetoothpower(val8); 4213 break; 4214 /* FAN Controls */ 4215 case SONYPI_IOCGFAN: 4216 if (sony_pic_get_fanspeed(&val8)) { 4217 ret = -EIO; 4218 break; 4219 } 4220 if (copy_to_user(argp, &val8, sizeof(val8))) 4221 ret = -EFAULT; 4222 break; 4223 case SONYPI_IOCSFAN: 4224 if (copy_from_user(&val8, argp, sizeof(val8))) { 4225 ret = -EFAULT; 4226 break; 4227 } 4228 if (sony_pic_set_fanspeed(val8)) 4229 ret = -EIO; 4230 break; 4231 /* GET Temperature (useful under APM) */ 4232 case SONYPI_IOCGTEMP: 4233 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4234 ret = -EIO; 4235 break; 4236 } 4237 if (copy_to_user(argp, &val8, sizeof(val8))) 4238 ret = -EFAULT; 4239 break; 4240 default: 4241 ret = -EINVAL; 4242 } 4243 mutex_unlock(&spic_dev.lock); 4244 return ret; 4245 } 4246 4247 static const struct file_operations sonypi_misc_fops = { 4248 .owner = THIS_MODULE, 4249 .read = sonypi_misc_read, 4250 .poll = sonypi_misc_poll, 4251 .open = sonypi_misc_open, 4252 .release = sonypi_misc_release, 4253 .fasync = sonypi_misc_fasync, 4254 .unlocked_ioctl = sonypi_misc_ioctl, 4255 .llseek = noop_llseek, 4256 }; 4257 4258 static struct miscdevice sonypi_misc_device = { 4259 .minor = MISC_DYNAMIC_MINOR, 4260 .name = "sonypi", 4261 .fops = &sonypi_misc_fops, 4262 }; 4263 4264 static void sonypi_compat_report_event(u8 event) 4265 { 4266 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4267 sizeof(event), &sonypi_compat.fifo_lock); 4268 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4269 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4270 } 4271 4272 static int sonypi_compat_init(void) 4273 { 4274 int error; 4275 4276 spin_lock_init(&sonypi_compat.fifo_lock); 4277 error = 4278 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4279 if (error) { 4280 pr_err("kfifo_alloc failed\n"); 4281 return error; 4282 } 4283 4284 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4285 4286 if (minor != -1) 4287 sonypi_misc_device.minor = minor; 4288 error = misc_register(&sonypi_misc_device); 4289 if (error) { 4290 pr_err("misc_register failed\n"); 4291 goto err_free_kfifo; 4292 } 4293 if (minor == -1) 4294 pr_info("device allocated minor is %d\n", 4295 sonypi_misc_device.minor); 4296 4297 return 0; 4298 4299 err_free_kfifo: 4300 kfifo_free(&sonypi_compat.fifo); 4301 return error; 4302 } 4303 4304 static void sonypi_compat_exit(void) 4305 { 4306 misc_deregister(&sonypi_misc_device); 4307 kfifo_free(&sonypi_compat.fifo); 4308 } 4309 #else 4310 static int sonypi_compat_init(void) { return 0; } 4311 static void sonypi_compat_exit(void) { } 4312 static void sonypi_compat_report_event(u8 event) { } 4313 #endif /* CONFIG_SONYPI_COMPAT */ 4314 4315 /* 4316 * ACPI callbacks 4317 */ 4318 static acpi_status 4319 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4320 { 4321 u32 i; 4322 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4323 4324 switch (resource->type) { 4325 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4326 { 4327 /* start IO enumeration */ 4328 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4329 if (!ioport) 4330 return AE_ERROR; 4331 4332 list_add(&ioport->list, &dev->ioports); 4333 return AE_OK; 4334 } 4335 4336 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4337 /* end IO enumeration */ 4338 return AE_OK; 4339 4340 case ACPI_RESOURCE_TYPE_IRQ: 4341 { 4342 struct acpi_resource_irq *p = &resource->data.irq; 4343 struct sony_pic_irq *interrupt = NULL; 4344 if (!p->interrupt_count) { 4345 /* 4346 * IRQ descriptors may have no IRQ# bits set, 4347 * particularly those those w/ _STA disabled 4348 */ 4349 dprintk("Blank IRQ resource\n"); 4350 return AE_OK; 4351 } 4352 for (i = 0; i < p->interrupt_count; i++) { 4353 if (!p->interrupts[i]) { 4354 pr_warn("Invalid IRQ %d\n", 4355 p->interrupts[i]); 4356 continue; 4357 } 4358 interrupt = kzalloc(sizeof(*interrupt), 4359 GFP_KERNEL); 4360 if (!interrupt) 4361 return AE_ERROR; 4362 4363 list_add(&interrupt->list, &dev->interrupts); 4364 interrupt->irq.triggering = p->triggering; 4365 interrupt->irq.polarity = p->polarity; 4366 interrupt->irq.shareable = p->shareable; 4367 interrupt->irq.interrupt_count = 1; 4368 interrupt->irq.interrupts[0] = p->interrupts[i]; 4369 } 4370 return AE_OK; 4371 } 4372 case ACPI_RESOURCE_TYPE_IO: 4373 { 4374 struct acpi_resource_io *io = &resource->data.io; 4375 struct sony_pic_ioport *ioport = 4376 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4377 if (!ioport->io1.minimum) { 4378 memcpy(&ioport->io1, io, sizeof(*io)); 4379 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4380 ioport->io1.address_length); 4381 } 4382 else if (!ioport->io2.minimum) { 4383 memcpy(&ioport->io2, io, sizeof(*io)); 4384 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4385 ioport->io2.address_length); 4386 } 4387 else { 4388 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4389 return AE_ERROR; 4390 } 4391 return AE_OK; 4392 } 4393 4394 case ACPI_RESOURCE_TYPE_END_TAG: 4395 return AE_OK; 4396 4397 default: 4398 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4399 resource->type); 4400 return AE_CTRL_TERMINATE; 4401 4402 } 4403 } 4404 4405 static int sony_pic_possible_resources(struct acpi_device *device) 4406 { 4407 int result = 0; 4408 acpi_status status = AE_OK; 4409 4410 if (!device) 4411 return -EINVAL; 4412 4413 /* get device status */ 4414 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4415 dprintk("Evaluating _STA\n"); 4416 result = acpi_bus_get_status(device); 4417 if (result) { 4418 pr_warn("Unable to read status\n"); 4419 goto end; 4420 } 4421 4422 if (!device->status.enabled) 4423 dprintk("Device disabled\n"); 4424 else 4425 dprintk("Device enabled\n"); 4426 4427 /* 4428 * Query and parse 'method' 4429 */ 4430 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4431 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4432 sony_pic_read_possible_resource, &spic_dev); 4433 if (ACPI_FAILURE(status)) { 4434 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4435 result = -ENODEV; 4436 } 4437 end: 4438 return result; 4439 } 4440 4441 /* 4442 * Disable the spic device by calling its _DIS method 4443 */ 4444 static int sony_pic_disable(struct acpi_device *device) 4445 { 4446 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4447 NULL); 4448 4449 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4450 return -ENXIO; 4451 4452 dprintk("Device disabled\n"); 4453 return 0; 4454 } 4455 4456 4457 /* 4458 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4459 * 4460 * Call _SRS to set current resources 4461 */ 4462 static int sony_pic_enable(struct acpi_device *device, 4463 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4464 { 4465 acpi_status status; 4466 int result = 0; 4467 /* Type 1 resource layout is: 4468 * IO 4469 * IO 4470 * IRQNoFlags 4471 * End 4472 * 4473 * Type 2 and 3 resource layout is: 4474 * IO 4475 * IRQNoFlags 4476 * End 4477 */ 4478 struct { 4479 struct acpi_resource res1; 4480 struct acpi_resource res2; 4481 struct acpi_resource res3; 4482 struct acpi_resource res4; 4483 } *resource; 4484 struct acpi_buffer buffer = { 0, NULL }; 4485 4486 if (!ioport || !irq) 4487 return -EINVAL; 4488 4489 /* init acpi_buffer */ 4490 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4491 if (!resource) 4492 return -ENOMEM; 4493 4494 buffer.length = sizeof(*resource) + 1; 4495 buffer.pointer = resource; 4496 4497 /* setup Type 1 resources */ 4498 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4499 4500 /* setup io resources */ 4501 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4502 resource->res1.length = sizeof(struct acpi_resource); 4503 memcpy(&resource->res1.data.io, &ioport->io1, 4504 sizeof(struct acpi_resource_io)); 4505 4506 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4507 resource->res2.length = sizeof(struct acpi_resource); 4508 memcpy(&resource->res2.data.io, &ioport->io2, 4509 sizeof(struct acpi_resource_io)); 4510 4511 /* setup irq resource */ 4512 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4513 resource->res3.length = sizeof(struct acpi_resource); 4514 memcpy(&resource->res3.data.irq, &irq->irq, 4515 sizeof(struct acpi_resource_irq)); 4516 /* we requested a shared irq */ 4517 resource->res3.data.irq.shareable = ACPI_SHARED; 4518 4519 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4520 resource->res4.length = sizeof(struct acpi_resource); 4521 } 4522 /* setup Type 2/3 resources */ 4523 else { 4524 /* setup io resource */ 4525 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4526 resource->res1.length = sizeof(struct acpi_resource); 4527 memcpy(&resource->res1.data.io, &ioport->io1, 4528 sizeof(struct acpi_resource_io)); 4529 4530 /* setup irq resource */ 4531 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4532 resource->res2.length = sizeof(struct acpi_resource); 4533 memcpy(&resource->res2.data.irq, &irq->irq, 4534 sizeof(struct acpi_resource_irq)); 4535 /* we requested a shared irq */ 4536 resource->res2.data.irq.shareable = ACPI_SHARED; 4537 4538 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4539 resource->res3.length = sizeof(struct acpi_resource); 4540 } 4541 4542 /* Attempt to set the resource */ 4543 dprintk("Evaluating _SRS\n"); 4544 status = acpi_set_current_resources(device->handle, &buffer); 4545 4546 /* check for total failure */ 4547 if (ACPI_FAILURE(status)) { 4548 pr_err("Error evaluating _SRS\n"); 4549 result = -ENODEV; 4550 goto end; 4551 } 4552 4553 /* Necessary device initializations calls (from sonypi) */ 4554 sony_pic_call1(0x82); 4555 sony_pic_call2(0x81, 0xff); 4556 sony_pic_call1(compat ? 0x92 : 0x82); 4557 4558 end: 4559 kfree(resource); 4560 return result; 4561 } 4562 4563 /***************** 4564 * 4565 * ISR: some event is available 4566 * 4567 *****************/ 4568 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4569 { 4570 int i, j; 4571 u8 ev = 0; 4572 u8 data_mask = 0; 4573 u8 device_event = 0; 4574 4575 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4576 4577 ev = inb_p(dev->cur_ioport->io1.minimum); 4578 if (dev->cur_ioport->io2.minimum) 4579 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4580 else 4581 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4582 dev->evport_offset); 4583 4584 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4585 ev, data_mask, dev->cur_ioport->io1.minimum, 4586 dev->evport_offset); 4587 4588 if (ev == 0x00 || ev == 0xff) 4589 return IRQ_HANDLED; 4590 4591 for (i = 0; dev->event_types[i].mask; i++) { 4592 4593 if ((data_mask & dev->event_types[i].data) != 4594 dev->event_types[i].data) 4595 continue; 4596 4597 if (!(mask & dev->event_types[i].mask)) 4598 continue; 4599 4600 for (j = 0; dev->event_types[i].events[j].event; j++) { 4601 if (ev == dev->event_types[i].events[j].data) { 4602 device_event = 4603 dev->event_types[i].events[j].event; 4604 /* some events may require ignoring */ 4605 if (!device_event) 4606 return IRQ_HANDLED; 4607 goto found; 4608 } 4609 } 4610 } 4611 /* Still not able to decode the event try to pass 4612 * it over to the minidriver 4613 */ 4614 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4615 return IRQ_HANDLED; 4616 4617 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4618 ev, data_mask, dev->cur_ioport->io1.minimum, 4619 dev->evport_offset); 4620 return IRQ_HANDLED; 4621 4622 found: 4623 sony_laptop_report_input_event(device_event); 4624 sonypi_compat_report_event(device_event); 4625 return IRQ_HANDLED; 4626 } 4627 4628 /***************** 4629 * 4630 * ACPI driver 4631 * 4632 *****************/ 4633 static int sony_pic_remove(struct acpi_device *device) 4634 { 4635 struct sony_pic_ioport *io, *tmp_io; 4636 struct sony_pic_irq *irq, *tmp_irq; 4637 4638 if (sony_pic_disable(device)) { 4639 pr_err("Couldn't disable device\n"); 4640 return -ENXIO; 4641 } 4642 4643 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4644 release_region(spic_dev.cur_ioport->io1.minimum, 4645 spic_dev.cur_ioport->io1.address_length); 4646 if (spic_dev.cur_ioport->io2.minimum) 4647 release_region(spic_dev.cur_ioport->io2.minimum, 4648 spic_dev.cur_ioport->io2.address_length); 4649 4650 sonypi_compat_exit(); 4651 4652 sony_laptop_remove_input(); 4653 4654 /* pf attrs */ 4655 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4656 sony_pf_remove(); 4657 4658 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4659 list_del(&io->list); 4660 kfree(io); 4661 } 4662 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4663 list_del(&irq->list); 4664 kfree(irq); 4665 } 4666 spic_dev.cur_ioport = NULL; 4667 spic_dev.cur_irq = NULL; 4668 4669 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4670 return 0; 4671 } 4672 4673 static int sony_pic_add(struct acpi_device *device) 4674 { 4675 int result; 4676 struct sony_pic_ioport *io, *tmp_io; 4677 struct sony_pic_irq *irq, *tmp_irq; 4678 4679 spic_dev.acpi_dev = device; 4680 strcpy(acpi_device_class(device), "sony/hotkey"); 4681 sony_pic_detect_device_type(&spic_dev); 4682 mutex_init(&spic_dev.lock); 4683 4684 /* read _PRS resources */ 4685 result = sony_pic_possible_resources(device); 4686 if (result) { 4687 pr_err("Unable to read possible resources\n"); 4688 goto err_free_resources; 4689 } 4690 4691 /* setup input devices and helper fifo */ 4692 result = sony_laptop_setup_input(device); 4693 if (result) { 4694 pr_err("Unable to create input devices\n"); 4695 goto err_free_resources; 4696 } 4697 4698 result = sonypi_compat_init(); 4699 if (result) 4700 goto err_remove_input; 4701 4702 /* request io port */ 4703 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4704 if (request_region(io->io1.minimum, io->io1.address_length, 4705 "Sony Programmable I/O Device")) { 4706 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4707 io->io1.minimum, io->io1.maximum, 4708 io->io1.address_length); 4709 /* Type 1 have 2 ioports */ 4710 if (io->io2.minimum) { 4711 if (request_region(io->io2.minimum, 4712 io->io2.address_length, 4713 "Sony Programmable I/O Device")) { 4714 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4715 io->io2.minimum, io->io2.maximum, 4716 io->io2.address_length); 4717 spic_dev.cur_ioport = io; 4718 break; 4719 } 4720 else { 4721 dprintk("Unable to get I/O port2: " 4722 "0x%.4x (0x%.4x) + 0x%.2x\n", 4723 io->io2.minimum, io->io2.maximum, 4724 io->io2.address_length); 4725 release_region(io->io1.minimum, 4726 io->io1.address_length); 4727 } 4728 } 4729 else { 4730 spic_dev.cur_ioport = io; 4731 break; 4732 } 4733 } 4734 } 4735 if (!spic_dev.cur_ioport) { 4736 pr_err("Failed to request_region\n"); 4737 result = -ENODEV; 4738 goto err_remove_compat; 4739 } 4740 4741 /* request IRQ */ 4742 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4743 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4744 0, "sony-laptop", &spic_dev)) { 4745 dprintk("IRQ: %d - triggering: %d - " 4746 "polarity: %d - shr: %d\n", 4747 irq->irq.interrupts[0], 4748 irq->irq.triggering, 4749 irq->irq.polarity, 4750 irq->irq.shareable); 4751 spic_dev.cur_irq = irq; 4752 break; 4753 } 4754 } 4755 if (!spic_dev.cur_irq) { 4756 pr_err("Failed to request_irq\n"); 4757 result = -ENODEV; 4758 goto err_release_region; 4759 } 4760 4761 /* set resource status _SRS */ 4762 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4763 if (result) { 4764 pr_err("Couldn't enable device\n"); 4765 goto err_free_irq; 4766 } 4767 4768 spic_dev.bluetooth_power = -1; 4769 /* create device attributes */ 4770 result = sony_pf_add(); 4771 if (result) 4772 goto err_disable_device; 4773 4774 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4775 if (result) 4776 goto err_remove_pf; 4777 4778 pr_info("SPIC setup done.\n"); 4779 return 0; 4780 4781 err_remove_pf: 4782 sony_pf_remove(); 4783 4784 err_disable_device: 4785 sony_pic_disable(device); 4786 4787 err_free_irq: 4788 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4789 4790 err_release_region: 4791 release_region(spic_dev.cur_ioport->io1.minimum, 4792 spic_dev.cur_ioport->io1.address_length); 4793 if (spic_dev.cur_ioport->io2.minimum) 4794 release_region(spic_dev.cur_ioport->io2.minimum, 4795 spic_dev.cur_ioport->io2.address_length); 4796 4797 err_remove_compat: 4798 sonypi_compat_exit(); 4799 4800 err_remove_input: 4801 sony_laptop_remove_input(); 4802 4803 err_free_resources: 4804 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4805 list_del(&io->list); 4806 kfree(io); 4807 } 4808 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4809 list_del(&irq->list); 4810 kfree(irq); 4811 } 4812 spic_dev.cur_ioport = NULL; 4813 spic_dev.cur_irq = NULL; 4814 4815 return result; 4816 } 4817 4818 #ifdef CONFIG_PM_SLEEP 4819 static int sony_pic_suspend(struct device *dev) 4820 { 4821 if (sony_pic_disable(to_acpi_device(dev))) 4822 return -ENXIO; 4823 return 0; 4824 } 4825 4826 static int sony_pic_resume(struct device *dev) 4827 { 4828 sony_pic_enable(to_acpi_device(dev), 4829 spic_dev.cur_ioport, spic_dev.cur_irq); 4830 return 0; 4831 } 4832 #endif 4833 4834 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4835 4836 static const struct acpi_device_id sony_pic_device_ids[] = { 4837 {SONY_PIC_HID, 0}, 4838 {"", 0}, 4839 }; 4840 4841 static struct acpi_driver sony_pic_driver = { 4842 .name = SONY_PIC_DRIVER_NAME, 4843 .class = SONY_PIC_CLASS, 4844 .ids = sony_pic_device_ids, 4845 .owner = THIS_MODULE, 4846 .ops = { 4847 .add = sony_pic_add, 4848 .remove = sony_pic_remove, 4849 }, 4850 .drv.pm = &sony_pic_pm, 4851 }; 4852 4853 static const struct dmi_system_id sonypi_dmi_table[] __initconst = { 4854 { 4855 .ident = "Sony Vaio", 4856 .matches = { 4857 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4858 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4859 }, 4860 }, 4861 { 4862 .ident = "Sony Vaio", 4863 .matches = { 4864 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4865 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4866 }, 4867 }, 4868 { } 4869 }; 4870 4871 static int __init sony_laptop_init(void) 4872 { 4873 int result; 4874 4875 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4876 result = acpi_bus_register_driver(&sony_pic_driver); 4877 if (result) { 4878 pr_err("Unable to register SPIC driver\n"); 4879 goto out; 4880 } 4881 spic_drv_registered = 1; 4882 } 4883 4884 result = acpi_bus_register_driver(&sony_nc_driver); 4885 if (result) { 4886 pr_err("Unable to register SNC driver\n"); 4887 goto out_unregister_pic; 4888 } 4889 4890 return 0; 4891 4892 out_unregister_pic: 4893 if (spic_drv_registered) 4894 acpi_bus_unregister_driver(&sony_pic_driver); 4895 out: 4896 return result; 4897 } 4898 4899 static void __exit sony_laptop_exit(void) 4900 { 4901 acpi_bus_unregister_driver(&sony_nc_driver); 4902 if (spic_drv_registered) 4903 acpi_bus_unregister_driver(&sony_pic_driver); 4904 } 4905 4906 module_init(sony_laptop_init); 4907 module_exit(sony_laptop_exit); 4908