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", -1); 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 snprintf(buffer, PAGE_SIZE, "%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 ssize_t count = 0; 1815 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1816 return count; 1817 } 1818 1819 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1820 { 1821 int result; 1822 1823 if (value > 3) 1824 return -EINVAL; 1825 1826 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1827 (kbdbl_ctl->base + 0x200), &result)) 1828 return -EIO; 1829 1830 kbdbl_ctl->timeout = value; 1831 1832 return 0; 1833 } 1834 1835 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1836 struct device_attribute *attr, 1837 const char *buffer, size_t count) 1838 { 1839 int ret = 0; 1840 unsigned long value; 1841 1842 if (count > 31) 1843 return -EINVAL; 1844 1845 if (kstrtoul(buffer, 10, &value)) 1846 return -EINVAL; 1847 1848 ret = __sony_nc_kbd_backlight_timeout_set(value); 1849 if (ret < 0) 1850 return ret; 1851 1852 return count; 1853 } 1854 1855 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1856 struct device_attribute *attr, char *buffer) 1857 { 1858 ssize_t count = 0; 1859 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1860 return count; 1861 } 1862 1863 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1864 unsigned int handle) 1865 { 1866 int result; 1867 int probe_base = 0; 1868 int ctl_base = 0; 1869 int ret = 0; 1870 1871 if (kbdbl_ctl) { 1872 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1873 handle, kbdbl_ctl->handle); 1874 return -EBUSY; 1875 } 1876 1877 /* verify the kbd backlight presence, some of these handles are not used 1878 * for keyboard backlight only 1879 */ 1880 switch (handle) { 1881 case 0x0153: 1882 probe_base = 0x0; 1883 ctl_base = 0x0; 1884 break; 1885 case 0x0137: 1886 probe_base = 0x0B00; 1887 ctl_base = 0x0C00; 1888 break; 1889 default: 1890 probe_base = 0x0100; 1891 ctl_base = 0x4000; 1892 break; 1893 } 1894 1895 ret = sony_call_snc_handle(handle, probe_base, &result); 1896 if (ret) 1897 return ret; 1898 1899 if ((handle == 0x0137 && !(result & 0x02)) || 1900 !(result & 0x01)) { 1901 dprintk("no backlight keyboard found\n"); 1902 return 0; 1903 } 1904 1905 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1906 if (!kbdbl_ctl) 1907 return -ENOMEM; 1908 1909 kbdbl_ctl->mode = kbd_backlight; 1910 kbdbl_ctl->timeout = kbd_backlight_timeout; 1911 kbdbl_ctl->handle = handle; 1912 kbdbl_ctl->base = ctl_base; 1913 /* Some models do not allow timeout control */ 1914 kbdbl_ctl->has_timeout = handle != 0x0153; 1915 1916 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1917 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1918 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1919 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1920 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1921 1922 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1923 if (ret) 1924 goto outkzalloc; 1925 1926 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1927 1928 if (kbdbl_ctl->has_timeout) { 1929 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1930 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1931 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1932 kbdbl_ctl->timeout_attr.show = 1933 sony_nc_kbd_backlight_timeout_show; 1934 kbdbl_ctl->timeout_attr.store = 1935 sony_nc_kbd_backlight_timeout_store; 1936 1937 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1938 if (ret) 1939 goto outmode; 1940 1941 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1942 } 1943 1944 1945 return 0; 1946 1947 outmode: 1948 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1949 outkzalloc: 1950 kfree(kbdbl_ctl); 1951 kbdbl_ctl = NULL; 1952 return ret; 1953 } 1954 1955 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1956 unsigned int handle) 1957 { 1958 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1959 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1960 if (kbdbl_ctl->has_timeout) 1961 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1962 kfree(kbdbl_ctl); 1963 kbdbl_ctl = NULL; 1964 } 1965 } 1966 1967 struct battery_care_control { 1968 struct device_attribute attrs[2]; 1969 unsigned int handle; 1970 }; 1971 static struct battery_care_control *bcare_ctl; 1972 1973 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1974 struct device_attribute *attr, 1975 const char *buffer, size_t count) 1976 { 1977 unsigned int result, cmd; 1978 unsigned long value; 1979 1980 if (count > 31) 1981 return -EINVAL; 1982 1983 if (kstrtoul(buffer, 10, &value)) 1984 return -EINVAL; 1985 1986 /* limit values (2 bits): 1987 * 00 - none 1988 * 01 - 80% 1989 * 10 - 50% 1990 * 11 - 100% 1991 * 1992 * bit 0: 0 disable BCL, 1 enable BCL 1993 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1994 * bits 2,3: reserved 1995 * bits 4,5: store the limit into the EC 1996 * bits 6,7: store the limit into the battery 1997 */ 1998 cmd = 0; 1999 2000 if (value > 0) { 2001 if (value <= 50) 2002 cmd = 0x20; 2003 2004 else if (value <= 80) 2005 cmd = 0x10; 2006 2007 else if (value <= 100) 2008 cmd = 0x30; 2009 2010 else 2011 return -EINVAL; 2012 2013 /* 2014 * handle 0x0115 should allow storing on battery too; 2015 * handle 0x0136 same as 0x0115 + health status; 2016 * handle 0x013f, same as 0x0136 but no storing on the battery 2017 */ 2018 if (bcare_ctl->handle != 0x013f) 2019 cmd = cmd | (cmd << 2); 2020 2021 cmd = (cmd | 0x1) << 0x10; 2022 } 2023 2024 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2025 return -EIO; 2026 2027 return count; 2028 } 2029 2030 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2031 struct device_attribute *attr, char *buffer) 2032 { 2033 unsigned int result, status; 2034 2035 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2036 return -EIO; 2037 2038 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2039 switch (status) { 2040 case 1: 2041 status = 80; 2042 break; 2043 case 2: 2044 status = 50; 2045 break; 2046 case 3: 2047 status = 100; 2048 break; 2049 default: 2050 status = 0; 2051 break; 2052 } 2053 2054 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2055 } 2056 2057 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2058 struct device_attribute *attr, char *buffer) 2059 { 2060 ssize_t count = 0; 2061 unsigned int health; 2062 2063 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2064 return -EIO; 2065 2066 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2067 2068 return count; 2069 } 2070 2071 static int sony_nc_battery_care_setup(struct platform_device *pd, 2072 unsigned int handle) 2073 { 2074 int ret = 0; 2075 2076 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2077 if (!bcare_ctl) 2078 return -ENOMEM; 2079 2080 bcare_ctl->handle = handle; 2081 2082 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2083 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2084 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2085 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2086 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2087 2088 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2089 if (ret) 2090 goto outkzalloc; 2091 2092 /* 0x0115 is for models with no health reporting capability */ 2093 if (handle == 0x0115) 2094 return 0; 2095 2096 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2097 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2098 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2099 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2100 2101 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2102 if (ret) 2103 goto outlimiter; 2104 2105 return 0; 2106 2107 outlimiter: 2108 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2109 2110 outkzalloc: 2111 kfree(bcare_ctl); 2112 bcare_ctl = NULL; 2113 2114 return ret; 2115 } 2116 2117 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2118 { 2119 if (bcare_ctl) { 2120 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2121 if (bcare_ctl->handle != 0x0115) 2122 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2123 2124 kfree(bcare_ctl); 2125 bcare_ctl = NULL; 2126 } 2127 } 2128 2129 struct snc_thermal_ctrl { 2130 unsigned int mode; 2131 unsigned int profiles; 2132 struct device_attribute mode_attr; 2133 struct device_attribute profiles_attr; 2134 }; 2135 static struct snc_thermal_ctrl *th_handle; 2136 2137 #define THM_PROFILE_MAX 3 2138 static const char * const snc_thermal_profiles[] = { 2139 "balanced", 2140 "silent", 2141 "performance" 2142 }; 2143 2144 static int sony_nc_thermal_mode_set(unsigned short mode) 2145 { 2146 unsigned int result; 2147 2148 /* the thermal profile seems to be a two bit bitmask: 2149 * lsb -> silent 2150 * msb -> performance 2151 * no bit set is the normal operation and is always valid 2152 * Some vaio models only have "balanced" and "performance" 2153 */ 2154 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2155 return -EINVAL; 2156 2157 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2158 return -EIO; 2159 2160 th_handle->mode = mode; 2161 2162 return 0; 2163 } 2164 2165 static int sony_nc_thermal_mode_get(void) 2166 { 2167 unsigned int result; 2168 2169 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2170 return -EIO; 2171 2172 return result & 0xff; 2173 } 2174 2175 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2176 struct device_attribute *attr, char *buffer) 2177 { 2178 short cnt; 2179 size_t idx = 0; 2180 2181 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2182 if (!cnt || (th_handle->profiles & cnt)) 2183 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2184 snc_thermal_profiles[cnt]); 2185 } 2186 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2187 2188 return idx; 2189 } 2190 2191 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2192 struct device_attribute *attr, 2193 const char *buffer, size_t count) 2194 { 2195 unsigned short cmd; 2196 size_t len = count; 2197 2198 if (count == 0) 2199 return -EINVAL; 2200 2201 /* skip the newline if present */ 2202 if (buffer[len - 1] == '\n') 2203 len--; 2204 2205 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2206 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2207 break; 2208 2209 if (sony_nc_thermal_mode_set(cmd)) 2210 return -EIO; 2211 2212 return count; 2213 } 2214 2215 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2216 struct device_attribute *attr, char *buffer) 2217 { 2218 ssize_t count = 0; 2219 int mode = sony_nc_thermal_mode_get(); 2220 2221 if (mode < 0) 2222 return mode; 2223 2224 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2225 2226 return count; 2227 } 2228 2229 static int sony_nc_thermal_setup(struct platform_device *pd) 2230 { 2231 int ret = 0; 2232 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2233 if (!th_handle) 2234 return -ENOMEM; 2235 2236 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2237 if (ret) { 2238 pr_warn("couldn't to read the thermal profiles\n"); 2239 goto outkzalloc; 2240 } 2241 2242 ret = sony_nc_thermal_mode_get(); 2243 if (ret < 0) { 2244 pr_warn("couldn't to read the current thermal profile"); 2245 goto outkzalloc; 2246 } 2247 th_handle->mode = ret; 2248 2249 sysfs_attr_init(&th_handle->profiles_attr.attr); 2250 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2251 th_handle->profiles_attr.attr.mode = S_IRUGO; 2252 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2253 2254 sysfs_attr_init(&th_handle->mode_attr.attr); 2255 th_handle->mode_attr.attr.name = "thermal_control"; 2256 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2257 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2258 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2259 2260 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2261 if (ret) 2262 goto outkzalloc; 2263 2264 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2265 if (ret) 2266 goto outprofiles; 2267 2268 return 0; 2269 2270 outprofiles: 2271 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2272 outkzalloc: 2273 kfree(th_handle); 2274 th_handle = NULL; 2275 return ret; 2276 } 2277 2278 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2279 { 2280 if (th_handle) { 2281 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2282 device_remove_file(&pd->dev, &th_handle->mode_attr); 2283 kfree(th_handle); 2284 th_handle = NULL; 2285 } 2286 } 2287 2288 #ifdef CONFIG_PM_SLEEP 2289 static void sony_nc_thermal_resume(void) 2290 { 2291 int status; 2292 2293 if (!th_handle) 2294 return; 2295 2296 status = sony_nc_thermal_mode_get(); 2297 2298 if (status != th_handle->mode) 2299 sony_nc_thermal_mode_set(th_handle->mode); 2300 } 2301 #endif 2302 2303 /* resume on LID open */ 2304 #define LID_RESUME_S5 0 2305 #define LID_RESUME_S4 1 2306 #define LID_RESUME_S3 2 2307 #define LID_RESUME_MAX 3 2308 struct snc_lid_resume_control { 2309 struct device_attribute attrs[LID_RESUME_MAX]; 2310 unsigned int status; 2311 int handle; 2312 }; 2313 static struct snc_lid_resume_control *lid_ctl; 2314 2315 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2316 struct device_attribute *attr, 2317 const char *buffer, size_t count) 2318 { 2319 unsigned int result; 2320 unsigned long value; 2321 unsigned int pos = LID_RESUME_S5; 2322 if (count > 31) 2323 return -EINVAL; 2324 2325 if (kstrtoul(buffer, 10, &value) || value > 1) 2326 return -EINVAL; 2327 2328 /* the value we have to write to SNC is a bitmask: 2329 * +--------------+ 2330 * | S3 | S4 | S5 | 2331 * +--------------+ 2332 * 2 1 0 2333 */ 2334 while (pos < LID_RESUME_MAX) { 2335 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2336 break; 2337 pos++; 2338 } 2339 if (pos == LID_RESUME_MAX) 2340 return -EINVAL; 2341 2342 if (value) 2343 value = lid_ctl->status | (1 << pos); 2344 else 2345 value = lid_ctl->status & ~(1 << pos); 2346 2347 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2348 &result)) 2349 return -EIO; 2350 2351 lid_ctl->status = value; 2352 2353 return count; 2354 } 2355 2356 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2357 struct device_attribute *attr, 2358 char *buffer) 2359 { 2360 unsigned int pos = LID_RESUME_S5; 2361 2362 while (pos < LID_RESUME_MAX) { 2363 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2364 return snprintf(buffer, PAGE_SIZE, "%d\n", 2365 (lid_ctl->status >> pos) & 0x01); 2366 pos++; 2367 } 2368 return -EINVAL; 2369 } 2370 2371 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2372 unsigned int handle) 2373 { 2374 unsigned int result; 2375 int i; 2376 2377 if (sony_call_snc_handle(handle, 0x0000, &result)) 2378 return -EIO; 2379 2380 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2381 if (!lid_ctl) 2382 return -ENOMEM; 2383 2384 lid_ctl->status = result & 0x7; 2385 lid_ctl->handle = handle; 2386 2387 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2388 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2389 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2390 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2391 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2392 2393 if (handle == 0x0119) { 2394 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2395 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2396 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2397 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2398 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2399 2400 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2401 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2402 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2403 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2404 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2405 } 2406 for (i = 0; i < LID_RESUME_MAX && 2407 lid_ctl->attrs[i].attr.name; i++) { 2408 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2409 if (result) 2410 goto liderror; 2411 } 2412 2413 return 0; 2414 2415 liderror: 2416 for (i--; i >= 0; i--) 2417 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2418 2419 kfree(lid_ctl); 2420 lid_ctl = NULL; 2421 2422 return result; 2423 } 2424 2425 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2426 { 2427 int i; 2428 2429 if (lid_ctl) { 2430 for (i = 0; i < LID_RESUME_MAX; i++) { 2431 if (!lid_ctl->attrs[i].attr.name) 2432 break; 2433 2434 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2435 } 2436 2437 kfree(lid_ctl); 2438 lid_ctl = NULL; 2439 } 2440 } 2441 2442 /* GFX Switch position */ 2443 enum gfx_switch { 2444 SPEED, 2445 STAMINA, 2446 AUTO 2447 }; 2448 struct snc_gfx_switch_control { 2449 struct device_attribute attr; 2450 unsigned int handle; 2451 }; 2452 static struct snc_gfx_switch_control *gfxs_ctl; 2453 2454 /* returns 0 for speed, 1 for stamina */ 2455 static int __sony_nc_gfx_switch_status_get(void) 2456 { 2457 unsigned int result; 2458 2459 if (sony_call_snc_handle(gfxs_ctl->handle, 2460 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2461 &result)) 2462 return -EIO; 2463 2464 switch (gfxs_ctl->handle) { 2465 case 0x0146: 2466 /* 1: discrete GFX (speed) 2467 * 0: integrated GFX (stamina) 2468 */ 2469 return result & 0x1 ? SPEED : STAMINA; 2470 case 0x015B: 2471 /* 0: discrete GFX (speed) 2472 * 1: integrated GFX (stamina) 2473 */ 2474 return result & 0x1 ? STAMINA : SPEED; 2475 case 0x0128: 2476 /* it's a more elaborated bitmask, for now: 2477 * 2: integrated GFX (stamina) 2478 * 0: discrete GFX (speed) 2479 */ 2480 dprintk("GFX Status: 0x%x\n", result); 2481 return result & 0x80 ? AUTO : 2482 result & 0x02 ? STAMINA : SPEED; 2483 } 2484 return -EINVAL; 2485 } 2486 2487 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2488 struct device_attribute *attr, 2489 char *buffer) 2490 { 2491 int pos = __sony_nc_gfx_switch_status_get(); 2492 2493 if (pos < 0) 2494 return pos; 2495 2496 return snprintf(buffer, PAGE_SIZE, "%s\n", 2497 pos == SPEED ? "speed" : 2498 pos == STAMINA ? "stamina" : 2499 pos == AUTO ? "auto" : "unknown"); 2500 } 2501 2502 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2503 unsigned int handle) 2504 { 2505 unsigned int result; 2506 2507 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2508 if (!gfxs_ctl) 2509 return -ENOMEM; 2510 2511 gfxs_ctl->handle = handle; 2512 2513 sysfs_attr_init(&gfxs_ctl->attr.attr); 2514 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2515 gfxs_ctl->attr.attr.mode = S_IRUGO; 2516 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2517 2518 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2519 if (result) 2520 goto gfxerror; 2521 2522 return 0; 2523 2524 gfxerror: 2525 kfree(gfxs_ctl); 2526 gfxs_ctl = NULL; 2527 2528 return result; 2529 } 2530 2531 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2532 { 2533 if (gfxs_ctl) { 2534 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2535 2536 kfree(gfxs_ctl); 2537 gfxs_ctl = NULL; 2538 } 2539 } 2540 2541 /* High speed charging function */ 2542 static struct device_attribute *hsc_handle; 2543 2544 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2545 struct device_attribute *attr, 2546 const char *buffer, size_t count) 2547 { 2548 unsigned int result; 2549 unsigned long value; 2550 2551 if (count > 31) 2552 return -EINVAL; 2553 2554 if (kstrtoul(buffer, 10, &value) || value > 1) 2555 return -EINVAL; 2556 2557 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2558 return -EIO; 2559 2560 return count; 2561 } 2562 2563 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2564 struct device_attribute *attr, char *buffer) 2565 { 2566 unsigned int result; 2567 2568 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2569 return -EIO; 2570 2571 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2572 } 2573 2574 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2575 { 2576 unsigned int result; 2577 2578 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2579 /* some models advertise the handle but have no implementation 2580 * for it 2581 */ 2582 pr_info("No High Speed Charging capability found\n"); 2583 return 0; 2584 } 2585 2586 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2587 if (!hsc_handle) 2588 return -ENOMEM; 2589 2590 sysfs_attr_init(&hsc_handle->attr); 2591 hsc_handle->attr.name = "battery_highspeed_charging"; 2592 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2593 hsc_handle->show = sony_nc_highspeed_charging_show; 2594 hsc_handle->store = sony_nc_highspeed_charging_store; 2595 2596 result = device_create_file(&pd->dev, hsc_handle); 2597 if (result) { 2598 kfree(hsc_handle); 2599 hsc_handle = NULL; 2600 return result; 2601 } 2602 2603 return 0; 2604 } 2605 2606 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2607 { 2608 if (hsc_handle) { 2609 device_remove_file(&pd->dev, hsc_handle); 2610 kfree(hsc_handle); 2611 hsc_handle = NULL; 2612 } 2613 } 2614 2615 /* low battery function */ 2616 static struct device_attribute *lowbatt_handle; 2617 2618 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2619 struct device_attribute *attr, 2620 const char *buffer, size_t count) 2621 { 2622 unsigned int result; 2623 unsigned long value; 2624 2625 if (count > 31) 2626 return -EINVAL; 2627 2628 if (kstrtoul(buffer, 10, &value) || value > 1) 2629 return -EINVAL; 2630 2631 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2632 return -EIO; 2633 2634 return count; 2635 } 2636 2637 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2638 struct device_attribute *attr, char *buffer) 2639 { 2640 unsigned int result; 2641 2642 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2643 return -EIO; 2644 2645 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2646 } 2647 2648 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2649 { 2650 unsigned int result; 2651 2652 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2653 if (!lowbatt_handle) 2654 return -ENOMEM; 2655 2656 sysfs_attr_init(&lowbatt_handle->attr); 2657 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2658 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2659 lowbatt_handle->show = sony_nc_lowbatt_show; 2660 lowbatt_handle->store = sony_nc_lowbatt_store; 2661 2662 result = device_create_file(&pd->dev, lowbatt_handle); 2663 if (result) { 2664 kfree(lowbatt_handle); 2665 lowbatt_handle = NULL; 2666 return result; 2667 } 2668 2669 return 0; 2670 } 2671 2672 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2673 { 2674 if (lowbatt_handle) { 2675 device_remove_file(&pd->dev, lowbatt_handle); 2676 kfree(lowbatt_handle); 2677 lowbatt_handle = NULL; 2678 } 2679 } 2680 2681 /* fan speed function */ 2682 static struct device_attribute *fan_handle, *hsf_handle; 2683 2684 static ssize_t sony_nc_hsfan_store(struct device *dev, 2685 struct device_attribute *attr, 2686 const char *buffer, size_t count) 2687 { 2688 unsigned int result; 2689 unsigned long value; 2690 2691 if (count > 31) 2692 return -EINVAL; 2693 2694 if (kstrtoul(buffer, 10, &value) || value > 1) 2695 return -EINVAL; 2696 2697 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2698 return -EIO; 2699 2700 return count; 2701 } 2702 2703 static ssize_t sony_nc_hsfan_show(struct device *dev, 2704 struct device_attribute *attr, char *buffer) 2705 { 2706 unsigned int result; 2707 2708 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2709 return -EIO; 2710 2711 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2712 } 2713 2714 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2715 struct device_attribute *attr, char *buffer) 2716 { 2717 unsigned int result; 2718 2719 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2720 return -EIO; 2721 2722 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2723 } 2724 2725 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2726 { 2727 unsigned int result; 2728 2729 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2730 if (!fan_handle) 2731 return -ENOMEM; 2732 2733 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2734 if (!hsf_handle) { 2735 result = -ENOMEM; 2736 goto out_hsf_handle_alloc; 2737 } 2738 2739 sysfs_attr_init(&fan_handle->attr); 2740 fan_handle->attr.name = "fanspeed"; 2741 fan_handle->attr.mode = S_IRUGO; 2742 fan_handle->show = sony_nc_fanspeed_show; 2743 fan_handle->store = NULL; 2744 2745 sysfs_attr_init(&hsf_handle->attr); 2746 hsf_handle->attr.name = "fan_forced"; 2747 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2748 hsf_handle->show = sony_nc_hsfan_show; 2749 hsf_handle->store = sony_nc_hsfan_store; 2750 2751 result = device_create_file(&pd->dev, fan_handle); 2752 if (result) 2753 goto out_fan_handle; 2754 2755 result = device_create_file(&pd->dev, hsf_handle); 2756 if (result) 2757 goto out_hsf_handle; 2758 2759 return 0; 2760 2761 out_hsf_handle: 2762 device_remove_file(&pd->dev, fan_handle); 2763 2764 out_fan_handle: 2765 kfree(hsf_handle); 2766 hsf_handle = NULL; 2767 2768 out_hsf_handle_alloc: 2769 kfree(fan_handle); 2770 fan_handle = NULL; 2771 return result; 2772 } 2773 2774 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2775 { 2776 if (fan_handle) { 2777 device_remove_file(&pd->dev, fan_handle); 2778 kfree(fan_handle); 2779 fan_handle = NULL; 2780 } 2781 if (hsf_handle) { 2782 device_remove_file(&pd->dev, hsf_handle); 2783 kfree(hsf_handle); 2784 hsf_handle = NULL; 2785 } 2786 } 2787 2788 /* USB charge function */ 2789 static struct device_attribute *uc_handle; 2790 2791 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2792 struct device_attribute *attr, 2793 const char *buffer, size_t count) 2794 { 2795 unsigned int result; 2796 unsigned long value; 2797 2798 if (count > 31) 2799 return -EINVAL; 2800 2801 if (kstrtoul(buffer, 10, &value) || value > 1) 2802 return -EINVAL; 2803 2804 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2805 return -EIO; 2806 2807 return count; 2808 } 2809 2810 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2811 struct device_attribute *attr, char *buffer) 2812 { 2813 unsigned int result; 2814 2815 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2816 return -EIO; 2817 2818 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2819 } 2820 2821 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2822 { 2823 unsigned int result; 2824 2825 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2826 /* some models advertise the handle but have no implementation 2827 * for it 2828 */ 2829 pr_info("No USB Charge capability found\n"); 2830 return 0; 2831 } 2832 2833 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2834 if (!uc_handle) 2835 return -ENOMEM; 2836 2837 sysfs_attr_init(&uc_handle->attr); 2838 uc_handle->attr.name = "usb_charge"; 2839 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2840 uc_handle->show = sony_nc_usb_charge_show; 2841 uc_handle->store = sony_nc_usb_charge_store; 2842 2843 result = device_create_file(&pd->dev, uc_handle); 2844 if (result) { 2845 kfree(uc_handle); 2846 uc_handle = NULL; 2847 return result; 2848 } 2849 2850 return 0; 2851 } 2852 2853 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2854 { 2855 if (uc_handle) { 2856 device_remove_file(&pd->dev, uc_handle); 2857 kfree(uc_handle); 2858 uc_handle = NULL; 2859 } 2860 } 2861 2862 /* Panel ID function */ 2863 static struct device_attribute *panel_handle; 2864 2865 static ssize_t sony_nc_panelid_show(struct device *dev, 2866 struct device_attribute *attr, char *buffer) 2867 { 2868 unsigned int result; 2869 2870 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2871 return -EIO; 2872 2873 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2874 } 2875 2876 static int sony_nc_panelid_setup(struct platform_device *pd) 2877 { 2878 unsigned int result; 2879 2880 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2881 if (!panel_handle) 2882 return -ENOMEM; 2883 2884 sysfs_attr_init(&panel_handle->attr); 2885 panel_handle->attr.name = "panel_id"; 2886 panel_handle->attr.mode = S_IRUGO; 2887 panel_handle->show = sony_nc_panelid_show; 2888 panel_handle->store = NULL; 2889 2890 result = device_create_file(&pd->dev, panel_handle); 2891 if (result) { 2892 kfree(panel_handle); 2893 panel_handle = NULL; 2894 return result; 2895 } 2896 2897 return 0; 2898 } 2899 2900 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2901 { 2902 if (panel_handle) { 2903 device_remove_file(&pd->dev, panel_handle); 2904 kfree(panel_handle); 2905 panel_handle = NULL; 2906 } 2907 } 2908 2909 /* smart connect function */ 2910 static struct device_attribute *sc_handle; 2911 2912 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2913 struct device_attribute *attr, 2914 const char *buffer, size_t count) 2915 { 2916 unsigned int result; 2917 unsigned long value; 2918 2919 if (count > 31) 2920 return -EINVAL; 2921 2922 if (kstrtoul(buffer, 10, &value) || value > 1) 2923 return -EINVAL; 2924 2925 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2926 return -EIO; 2927 2928 return count; 2929 } 2930 2931 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2932 { 2933 unsigned int result; 2934 2935 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2936 if (!sc_handle) 2937 return -ENOMEM; 2938 2939 sysfs_attr_init(&sc_handle->attr); 2940 sc_handle->attr.name = "smart_connect"; 2941 sc_handle->attr.mode = S_IWUSR; 2942 sc_handle->show = NULL; 2943 sc_handle->store = sony_nc_smart_conn_store; 2944 2945 result = device_create_file(&pd->dev, sc_handle); 2946 if (result) { 2947 kfree(sc_handle); 2948 sc_handle = NULL; 2949 return result; 2950 } 2951 2952 return 0; 2953 } 2954 2955 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2956 { 2957 if (sc_handle) { 2958 device_remove_file(&pd->dev, sc_handle); 2959 kfree(sc_handle); 2960 sc_handle = NULL; 2961 } 2962 } 2963 2964 /* Touchpad enable/disable */ 2965 struct touchpad_control { 2966 struct device_attribute attr; 2967 int handle; 2968 }; 2969 static struct touchpad_control *tp_ctl; 2970 2971 static ssize_t sony_nc_touchpad_store(struct device *dev, 2972 struct device_attribute *attr, const char *buffer, size_t count) 2973 { 2974 unsigned int result; 2975 unsigned long value; 2976 2977 if (count > 31) 2978 return -EINVAL; 2979 2980 if (kstrtoul(buffer, 10, &value) || value > 1) 2981 return -EINVAL; 2982 2983 /* sysfs: 0 disabled, 1 enabled 2984 * EC: 0 enabled, 1 disabled 2985 */ 2986 if (sony_call_snc_handle(tp_ctl->handle, 2987 (!value << 0x10) | 0x100, &result)) 2988 return -EIO; 2989 2990 return count; 2991 } 2992 2993 static ssize_t sony_nc_touchpad_show(struct device *dev, 2994 struct device_attribute *attr, char *buffer) 2995 { 2996 unsigned int result; 2997 2998 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2999 return -EINVAL; 3000 3001 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 3002 } 3003 3004 static int sony_nc_touchpad_setup(struct platform_device *pd, 3005 unsigned int handle) 3006 { 3007 int ret = 0; 3008 3009 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3010 if (!tp_ctl) 3011 return -ENOMEM; 3012 3013 tp_ctl->handle = handle; 3014 3015 sysfs_attr_init(&tp_ctl->attr.attr); 3016 tp_ctl->attr.attr.name = "touchpad"; 3017 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3018 tp_ctl->attr.show = sony_nc_touchpad_show; 3019 tp_ctl->attr.store = sony_nc_touchpad_store; 3020 3021 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3022 if (ret) { 3023 kfree(tp_ctl); 3024 tp_ctl = NULL; 3025 } 3026 3027 return ret; 3028 } 3029 3030 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3031 { 3032 if (tp_ctl) { 3033 device_remove_file(&pd->dev, &tp_ctl->attr); 3034 kfree(tp_ctl); 3035 tp_ctl = NULL; 3036 } 3037 } 3038 3039 static void sony_nc_backlight_ng_read_limits(int handle, 3040 struct sony_backlight_props *props) 3041 { 3042 u64 offset; 3043 int i; 3044 int lvl_table_len = 0; 3045 u8 min = 0xff, max = 0x00; 3046 unsigned char buffer[32] = { 0 }; 3047 3048 props->handle = handle; 3049 props->offset = 0; 3050 props->maxlvl = 0xff; 3051 3052 offset = sony_find_snc_handle(handle); 3053 3054 /* try to read the boundaries from ACPI tables, if we fail the above 3055 * defaults should be reasonable 3056 */ 3057 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3058 32); 3059 if (i < 0) 3060 return; 3061 3062 switch (handle) { 3063 case 0x012f: 3064 case 0x0137: 3065 lvl_table_len = 9; 3066 break; 3067 case 0x143: 3068 case 0x14b: 3069 case 0x14c: 3070 lvl_table_len = 16; 3071 break; 3072 } 3073 3074 /* the buffer lists brightness levels available, brightness levels are 3075 * from position 0 to 8 in the array, other values are used by ALS 3076 * control. 3077 */ 3078 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3079 3080 dprintk("Brightness level: %d\n", buffer[i]); 3081 3082 if (!buffer[i]) 3083 break; 3084 3085 if (buffer[i] > max) 3086 max = buffer[i]; 3087 if (buffer[i] < min) 3088 min = buffer[i]; 3089 } 3090 props->offset = min; 3091 props->maxlvl = max; 3092 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3093 props->maxlvl); 3094 } 3095 3096 static void sony_nc_backlight_setup(void) 3097 { 3098 int max_brightness = 0; 3099 const struct backlight_ops *ops = NULL; 3100 struct backlight_properties props; 3101 3102 if (sony_find_snc_handle(0x12f) >= 0) { 3103 ops = &sony_backlight_ng_ops; 3104 sony_bl_props.cmd_base = 0x0100; 3105 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3107 3108 } else if (sony_find_snc_handle(0x137) >= 0) { 3109 ops = &sony_backlight_ng_ops; 3110 sony_bl_props.cmd_base = 0x0100; 3111 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3113 3114 } else if (sony_find_snc_handle(0x143) >= 0) { 3115 ops = &sony_backlight_ng_ops; 3116 sony_bl_props.cmd_base = 0x3000; 3117 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3119 3120 } else if (sony_find_snc_handle(0x14b) >= 0) { 3121 ops = &sony_backlight_ng_ops; 3122 sony_bl_props.cmd_base = 0x3000; 3123 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3124 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3125 3126 } else if (sony_find_snc_handle(0x14c) >= 0) { 3127 ops = &sony_backlight_ng_ops; 3128 sony_bl_props.cmd_base = 0x3000; 3129 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3130 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3131 3132 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3133 ops = &sony_backlight_ops; 3134 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3135 3136 } else 3137 return; 3138 3139 memset(&props, 0, sizeof(struct backlight_properties)); 3140 props.type = BACKLIGHT_PLATFORM; 3141 props.max_brightness = max_brightness; 3142 sony_bl_props.dev = backlight_device_register("sony", NULL, 3143 &sony_bl_props, 3144 ops, &props); 3145 3146 if (IS_ERR(sony_bl_props.dev)) { 3147 pr_warn("unable to register backlight device\n"); 3148 sony_bl_props.dev = NULL; 3149 } else 3150 sony_bl_props.dev->props.brightness = 3151 ops->get_brightness(sony_bl_props.dev); 3152 } 3153 3154 static void sony_nc_backlight_cleanup(void) 3155 { 3156 backlight_device_unregister(sony_bl_props.dev); 3157 } 3158 3159 static int sony_nc_add(struct acpi_device *device) 3160 { 3161 acpi_status status; 3162 int result = 0; 3163 struct sony_nc_value *item; 3164 3165 sony_nc_acpi_device = device; 3166 strcpy(acpi_device_class(device), "sony/hotkey"); 3167 3168 sony_nc_acpi_handle = device->handle; 3169 3170 /* read device status */ 3171 result = acpi_bus_get_status(device); 3172 /* bail IFF the above call was successful and the device is not present */ 3173 if (!result && !device->status.present) { 3174 dprintk("Device not present\n"); 3175 result = -ENODEV; 3176 goto outwalk; 3177 } 3178 3179 result = sony_pf_add(); 3180 if (result) 3181 goto outpresent; 3182 3183 if (debug) { 3184 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3185 sony_nc_acpi_handle, 1, sony_walk_callback, 3186 NULL, NULL, NULL); 3187 if (ACPI_FAILURE(status)) { 3188 pr_warn("unable to walk acpi resources\n"); 3189 result = -ENODEV; 3190 goto outpresent; 3191 } 3192 } 3193 3194 result = sony_laptop_setup_input(device); 3195 if (result) { 3196 pr_err("Unable to create input devices\n"); 3197 goto outplatform; 3198 } 3199 3200 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3201 int arg = 1; 3202 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3203 dprintk("ECON Method failed\n"); 3204 } 3205 3206 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3207 dprintk("Doing SNC setup\n"); 3208 /* retrieve the available handles */ 3209 result = sony_nc_handles_setup(sony_pf_device); 3210 if (!result) 3211 sony_nc_function_setup(device, sony_pf_device); 3212 } 3213 3214 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3215 sony_nc_backlight_setup(); 3216 3217 /* create sony_pf sysfs attributes related to the SNC device */ 3218 for (item = sony_nc_values; item->name; ++item) { 3219 3220 if (!debug && item->debug) 3221 continue; 3222 3223 /* find the available acpiget as described in the DSDT */ 3224 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3225 if (acpi_has_method(sony_nc_acpi_handle, 3226 *item->acpiget)) { 3227 dprintk("Found %s getter: %s\n", 3228 item->name, *item->acpiget); 3229 item->devattr.attr.mode |= S_IRUGO; 3230 break; 3231 } 3232 } 3233 3234 /* find the available acpiset as described in the DSDT */ 3235 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3236 if (acpi_has_method(sony_nc_acpi_handle, 3237 *item->acpiset)) { 3238 dprintk("Found %s setter: %s\n", 3239 item->name, *item->acpiset); 3240 item->devattr.attr.mode |= S_IWUSR; 3241 break; 3242 } 3243 } 3244 3245 if (item->devattr.attr.mode != 0) { 3246 result = 3247 device_create_file(&sony_pf_device->dev, 3248 &item->devattr); 3249 if (result) 3250 goto out_sysfs; 3251 } 3252 } 3253 3254 pr_info("SNC setup done.\n"); 3255 return 0; 3256 3257 out_sysfs: 3258 for (item = sony_nc_values; item->name; ++item) { 3259 device_remove_file(&sony_pf_device->dev, &item->devattr); 3260 } 3261 sony_nc_backlight_cleanup(); 3262 sony_nc_function_cleanup(sony_pf_device); 3263 sony_nc_handles_cleanup(sony_pf_device); 3264 3265 outplatform: 3266 sony_laptop_remove_input(); 3267 3268 outpresent: 3269 sony_pf_remove(); 3270 3271 outwalk: 3272 sony_nc_rfkill_cleanup(); 3273 return result; 3274 } 3275 3276 static int sony_nc_remove(struct acpi_device *device) 3277 { 3278 struct sony_nc_value *item; 3279 3280 sony_nc_backlight_cleanup(); 3281 3282 sony_nc_acpi_device = NULL; 3283 3284 for (item = sony_nc_values; item->name; ++item) { 3285 device_remove_file(&sony_pf_device->dev, &item->devattr); 3286 } 3287 3288 sony_nc_function_cleanup(sony_pf_device); 3289 sony_nc_handles_cleanup(sony_pf_device); 3290 sony_pf_remove(); 3291 sony_laptop_remove_input(); 3292 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3293 3294 return 0; 3295 } 3296 3297 static const struct acpi_device_id sony_device_ids[] = { 3298 {SONY_NC_HID, 0}, 3299 {SONY_PIC_HID, 0}, 3300 {"", 0}, 3301 }; 3302 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3303 3304 static const struct acpi_device_id sony_nc_device_ids[] = { 3305 {SONY_NC_HID, 0}, 3306 {"", 0}, 3307 }; 3308 3309 static struct acpi_driver sony_nc_driver = { 3310 .name = SONY_NC_DRIVER_NAME, 3311 .class = SONY_NC_CLASS, 3312 .ids = sony_nc_device_ids, 3313 .owner = THIS_MODULE, 3314 .ops = { 3315 .add = sony_nc_add, 3316 .remove = sony_nc_remove, 3317 .notify = sony_nc_notify, 3318 }, 3319 .drv.pm = &sony_nc_pm, 3320 }; 3321 3322 /*********** SPIC (SNY6001) Device ***********/ 3323 3324 #define SONYPI_DEVICE_TYPE1 0x00000001 3325 #define SONYPI_DEVICE_TYPE2 0x00000002 3326 #define SONYPI_DEVICE_TYPE3 0x00000004 3327 3328 #define SONYPI_TYPE1_OFFSET 0x04 3329 #define SONYPI_TYPE2_OFFSET 0x12 3330 #define SONYPI_TYPE3_OFFSET 0x12 3331 3332 struct sony_pic_ioport { 3333 struct acpi_resource_io io1; 3334 struct acpi_resource_io io2; 3335 struct list_head list; 3336 }; 3337 3338 struct sony_pic_irq { 3339 struct acpi_resource_irq irq; 3340 struct list_head list; 3341 }; 3342 3343 struct sonypi_eventtypes { 3344 u8 data; 3345 unsigned long mask; 3346 struct sonypi_event *events; 3347 }; 3348 3349 struct sony_pic_dev { 3350 struct acpi_device *acpi_dev; 3351 struct sony_pic_irq *cur_irq; 3352 struct sony_pic_ioport *cur_ioport; 3353 struct list_head interrupts; 3354 struct list_head ioports; 3355 struct mutex lock; 3356 struct sonypi_eventtypes *event_types; 3357 int (*handle_irq)(const u8, const u8); 3358 int model; 3359 u16 evport_offset; 3360 u8 camera_power; 3361 u8 bluetooth_power; 3362 u8 wwan_power; 3363 }; 3364 3365 static struct sony_pic_dev spic_dev = { 3366 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3367 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3368 }; 3369 3370 static int spic_drv_registered; 3371 3372 /* Event masks */ 3373 #define SONYPI_JOGGER_MASK 0x00000001 3374 #define SONYPI_CAPTURE_MASK 0x00000002 3375 #define SONYPI_FNKEY_MASK 0x00000004 3376 #define SONYPI_BLUETOOTH_MASK 0x00000008 3377 #define SONYPI_PKEY_MASK 0x00000010 3378 #define SONYPI_BACK_MASK 0x00000020 3379 #define SONYPI_HELP_MASK 0x00000040 3380 #define SONYPI_LID_MASK 0x00000080 3381 #define SONYPI_ZOOM_MASK 0x00000100 3382 #define SONYPI_THUMBPHRASE_MASK 0x00000200 3383 #define SONYPI_MEYE_MASK 0x00000400 3384 #define SONYPI_MEMORYSTICK_MASK 0x00000800 3385 #define SONYPI_BATTERY_MASK 0x00001000 3386 #define SONYPI_WIRELESS_MASK 0x00002000 3387 3388 struct sonypi_event { 3389 u8 data; 3390 u8 event; 3391 }; 3392 3393 /* The set of possible button release events */ 3394 static struct sonypi_event sonypi_releaseev[] = { 3395 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3396 { 0, 0 } 3397 }; 3398 3399 /* The set of possible jogger events */ 3400 static struct sonypi_event sonypi_joggerev[] = { 3401 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3402 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3403 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3404 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3405 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3406 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3407 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3408 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3409 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3410 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3411 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3412 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3413 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3414 { 0, 0 } 3415 }; 3416 3417 /* The set of possible capture button events */ 3418 static struct sonypi_event sonypi_captureev[] = { 3419 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3420 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3421 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3422 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3423 { 0, 0 } 3424 }; 3425 3426 /* The set of possible fnkeys events */ 3427 static struct sonypi_event sonypi_fnkeyev[] = { 3428 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3429 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3430 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3431 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3432 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3433 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3434 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3435 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3436 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3437 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3438 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3439 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3440 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3441 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3442 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3443 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3444 { 0x31, SONYPI_EVENT_FNKEY_D }, 3445 { 0x32, SONYPI_EVENT_FNKEY_E }, 3446 { 0x33, SONYPI_EVENT_FNKEY_F }, 3447 { 0x34, SONYPI_EVENT_FNKEY_S }, 3448 { 0x35, SONYPI_EVENT_FNKEY_B }, 3449 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3450 { 0, 0 } 3451 }; 3452 3453 /* The set of possible program key events */ 3454 static struct sonypi_event sonypi_pkeyev[] = { 3455 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3456 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3457 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3458 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3459 { 0, 0 } 3460 }; 3461 3462 /* The set of possible bluetooth events */ 3463 static struct sonypi_event sonypi_blueev[] = { 3464 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3465 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3466 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3467 { 0, 0 } 3468 }; 3469 3470 /* The set of possible wireless events */ 3471 static struct sonypi_event sonypi_wlessev[] = { 3472 { 0x59, SONYPI_EVENT_IGNORE }, 3473 { 0x5a, SONYPI_EVENT_IGNORE }, 3474 { 0, 0 } 3475 }; 3476 3477 /* The set of possible back button events */ 3478 static struct sonypi_event sonypi_backev[] = { 3479 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3480 { 0, 0 } 3481 }; 3482 3483 /* The set of possible help button events */ 3484 static struct sonypi_event sonypi_helpev[] = { 3485 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3486 { 0, 0 } 3487 }; 3488 3489 3490 /* The set of possible lid events */ 3491 static struct sonypi_event sonypi_lidev[] = { 3492 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3493 { 0x50, SONYPI_EVENT_LID_OPENED }, 3494 { 0, 0 } 3495 }; 3496 3497 /* The set of possible zoom events */ 3498 static struct sonypi_event sonypi_zoomev[] = { 3499 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3500 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3501 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3502 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3503 { 0, 0 } 3504 }; 3505 3506 /* The set of possible thumbphrase events */ 3507 static struct sonypi_event sonypi_thumbphraseev[] = { 3508 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3509 { 0, 0 } 3510 }; 3511 3512 /* The set of possible motioneye camera events */ 3513 static struct sonypi_event sonypi_meyeev[] = { 3514 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3515 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3516 { 0, 0 } 3517 }; 3518 3519 /* The set of possible memorystick events */ 3520 static struct sonypi_event sonypi_memorystickev[] = { 3521 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3522 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3523 { 0, 0 } 3524 }; 3525 3526 /* The set of possible battery events */ 3527 static struct sonypi_event sonypi_batteryev[] = { 3528 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3529 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3530 { 0, 0 } 3531 }; 3532 3533 /* The set of possible volume events */ 3534 static struct sonypi_event sonypi_volumeev[] = { 3535 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3536 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3537 { 0, 0 } 3538 }; 3539 3540 /* The set of possible brightness events */ 3541 static struct sonypi_event sonypi_brightnessev[] = { 3542 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3543 { 0, 0 } 3544 }; 3545 3546 static struct sonypi_eventtypes type1_events[] = { 3547 { 0, 0xffffffff, sonypi_releaseev }, 3548 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3549 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3550 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3551 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3552 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3553 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3554 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3555 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3556 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3557 { 0 }, 3558 }; 3559 static struct sonypi_eventtypes type2_events[] = { 3560 { 0, 0xffffffff, sonypi_releaseev }, 3561 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3562 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3563 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3564 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3565 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3566 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3567 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3568 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3569 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3570 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3571 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3572 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3573 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3574 { 0 }, 3575 }; 3576 static struct sonypi_eventtypes type3_events[] = { 3577 { 0, 0xffffffff, sonypi_releaseev }, 3578 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3579 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3580 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3581 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3582 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3583 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3584 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3585 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3586 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3587 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3588 { 0 }, 3589 }; 3590 3591 /* low level spic calls */ 3592 #define ITERATIONS_LONG 10000 3593 #define ITERATIONS_SHORT 10 3594 #define wait_on_command(command, iterations) { \ 3595 unsigned int n = iterations; \ 3596 while (--n && (command)) \ 3597 udelay(1); \ 3598 if (!n) \ 3599 dprintk("command failed at %s : %s (line %d)\n", \ 3600 __FILE__, __func__, __LINE__); \ 3601 } 3602 3603 static u8 sony_pic_call1(u8 dev) 3604 { 3605 u8 v1, v2; 3606 3607 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3608 ITERATIONS_LONG); 3609 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3610 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3611 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3612 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3613 return v2; 3614 } 3615 3616 static u8 sony_pic_call2(u8 dev, u8 fn) 3617 { 3618 u8 v1; 3619 3620 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3621 ITERATIONS_LONG); 3622 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3623 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3624 ITERATIONS_LONG); 3625 outb(fn, spic_dev.cur_ioport->io1.minimum); 3626 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3627 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3628 return v1; 3629 } 3630 3631 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3632 { 3633 u8 v1; 3634 3635 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3636 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3638 outb(fn, spic_dev.cur_ioport->io1.minimum); 3639 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3640 outb(v, spic_dev.cur_ioport->io1.minimum); 3641 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3642 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3643 dev, fn, v, v1); 3644 return v1; 3645 } 3646 3647 /* 3648 * minidrivers for SPIC models 3649 */ 3650 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3651 { 3652 /* 3653 * 0x31 could mean we have to take some extra action and wait for 3654 * the next irq for some Type3 models, it will generate a new 3655 * irq and we can read new data from the device: 3656 * - 0x5c and 0x5f requires 0xA0 3657 * - 0x61 requires 0xB3 3658 */ 3659 if (data_mask == 0x31) { 3660 if (ev == 0x5c || ev == 0x5f) 3661 sony_pic_call1(0xA0); 3662 else if (ev == 0x61) 3663 sony_pic_call1(0xB3); 3664 return 0; 3665 } 3666 return 1; 3667 } 3668 3669 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3670 { 3671 struct pci_dev *pcidev; 3672 3673 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3674 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3675 if (pcidev) { 3676 dev->model = SONYPI_DEVICE_TYPE1; 3677 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3678 dev->event_types = type1_events; 3679 goto out; 3680 } 3681 3682 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3683 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3684 if (pcidev) { 3685 dev->model = SONYPI_DEVICE_TYPE2; 3686 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3687 dev->event_types = type2_events; 3688 goto out; 3689 } 3690 3691 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3692 PCI_DEVICE_ID_INTEL_ICH7_1, 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_ICH8_4, 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 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3712 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3713 if (pcidev) { 3714 dev->model = SONYPI_DEVICE_TYPE3; 3715 dev->handle_irq = type3_handle_irq; 3716 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3717 dev->event_types = type3_events; 3718 goto out; 3719 } 3720 3721 /* default */ 3722 dev->model = SONYPI_DEVICE_TYPE2; 3723 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3724 dev->event_types = type2_events; 3725 3726 out: 3727 pci_dev_put(pcidev); 3728 3729 pr_info("detected Type%d model\n", 3730 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3731 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3732 } 3733 3734 /* camera tests and poweron/poweroff */ 3735 #define SONYPI_CAMERA_PICTURE 5 3736 #define SONYPI_CAMERA_CONTROL 0x10 3737 3738 #define SONYPI_CAMERA_BRIGHTNESS 0 3739 #define SONYPI_CAMERA_CONTRAST 1 3740 #define SONYPI_CAMERA_HUE 2 3741 #define SONYPI_CAMERA_COLOR 3 3742 #define SONYPI_CAMERA_SHARPNESS 4 3743 3744 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3745 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3746 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3747 #define SONYPI_CAMERA_MUTE_MASK 0x40 3748 3749 /* the rest don't need a loop until not 0xff */ 3750 #define SONYPI_CAMERA_AGC 6 3751 #define SONYPI_CAMERA_AGC_MASK 0x30 3752 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3753 3754 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3755 #define SONYPI_CAMERA_CONTROL 0x10 3756 3757 #define SONYPI_CAMERA_STATUS 7 3758 #define SONYPI_CAMERA_STATUS_READY 0x2 3759 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3760 3761 #define SONYPI_DIRECTION_BACKWARDS 0x4 3762 3763 #define SONYPI_CAMERA_REVISION 8 3764 #define SONYPI_CAMERA_ROMVERSION 9 3765 3766 static int __sony_pic_camera_ready(void) 3767 { 3768 u8 v; 3769 3770 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3771 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3772 } 3773 3774 static int __sony_pic_camera_off(void) 3775 { 3776 if (!camera) { 3777 pr_warn("camera control not enabled\n"); 3778 return -ENODEV; 3779 } 3780 3781 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3782 SONYPI_CAMERA_MUTE_MASK), 3783 ITERATIONS_SHORT); 3784 3785 if (spic_dev.camera_power) { 3786 sony_pic_call2(0x91, 0); 3787 spic_dev.camera_power = 0; 3788 } 3789 return 0; 3790 } 3791 3792 static int __sony_pic_camera_on(void) 3793 { 3794 int i, j, x; 3795 3796 if (!camera) { 3797 pr_warn("camera control not enabled\n"); 3798 return -ENODEV; 3799 } 3800 3801 if (spic_dev.camera_power) 3802 return 0; 3803 3804 for (j = 5; j > 0; j--) { 3805 3806 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3807 msleep(10); 3808 sony_pic_call1(0x93); 3809 3810 for (i = 400; i > 0; i--) { 3811 if (__sony_pic_camera_ready()) 3812 break; 3813 msleep(10); 3814 } 3815 if (i) 3816 break; 3817 } 3818 3819 if (j == 0) { 3820 pr_warn("failed to power on camera\n"); 3821 return -ENODEV; 3822 } 3823 3824 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3825 0x5a), 3826 ITERATIONS_SHORT); 3827 3828 spic_dev.camera_power = 1; 3829 return 0; 3830 } 3831 3832 /* External camera command (exported to the motion eye v4l driver) */ 3833 int sony_pic_camera_command(int command, u8 value) 3834 { 3835 if (!camera) 3836 return -EIO; 3837 3838 mutex_lock(&spic_dev.lock); 3839 3840 switch (command) { 3841 case SONY_PIC_COMMAND_SETCAMERA: 3842 if (value) 3843 __sony_pic_camera_on(); 3844 else 3845 __sony_pic_camera_off(); 3846 break; 3847 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3848 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3849 ITERATIONS_SHORT); 3850 break; 3851 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3852 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3853 ITERATIONS_SHORT); 3854 break; 3855 case SONY_PIC_COMMAND_SETCAMERAHUE: 3856 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3857 ITERATIONS_SHORT); 3858 break; 3859 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3860 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3861 ITERATIONS_SHORT); 3862 break; 3863 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3864 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3865 ITERATIONS_SHORT); 3866 break; 3867 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3868 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3869 ITERATIONS_SHORT); 3870 break; 3871 case SONY_PIC_COMMAND_SETCAMERAAGC: 3872 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3873 ITERATIONS_SHORT); 3874 break; 3875 default: 3876 pr_err("sony_pic_camera_command invalid: %d\n", command); 3877 break; 3878 } 3879 mutex_unlock(&spic_dev.lock); 3880 return 0; 3881 } 3882 EXPORT_SYMBOL(sony_pic_camera_command); 3883 3884 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3885 static void __sony_pic_set_wwanpower(u8 state) 3886 { 3887 state = !!state; 3888 if (spic_dev.wwan_power == state) 3889 return; 3890 sony_pic_call2(0xB0, state); 3891 sony_pic_call1(0x82); 3892 spic_dev.wwan_power = state; 3893 } 3894 3895 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3896 struct device_attribute *attr, 3897 const char *buffer, size_t count) 3898 { 3899 unsigned long value; 3900 if (count > 31) 3901 return -EINVAL; 3902 3903 if (kstrtoul(buffer, 10, &value)) 3904 return -EINVAL; 3905 3906 mutex_lock(&spic_dev.lock); 3907 __sony_pic_set_wwanpower(value); 3908 mutex_unlock(&spic_dev.lock); 3909 3910 return count; 3911 } 3912 3913 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3914 struct device_attribute *attr, char *buffer) 3915 { 3916 ssize_t count; 3917 mutex_lock(&spic_dev.lock); 3918 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3919 mutex_unlock(&spic_dev.lock); 3920 return count; 3921 } 3922 3923 /* bluetooth subsystem power state */ 3924 static void __sony_pic_set_bluetoothpower(u8 state) 3925 { 3926 state = !!state; 3927 if (spic_dev.bluetooth_power == state) 3928 return; 3929 sony_pic_call2(0x96, state); 3930 sony_pic_call1(0x82); 3931 spic_dev.bluetooth_power = state; 3932 } 3933 3934 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3935 struct device_attribute *attr, 3936 const char *buffer, size_t count) 3937 { 3938 unsigned long value; 3939 if (count > 31) 3940 return -EINVAL; 3941 3942 if (kstrtoul(buffer, 10, &value)) 3943 return -EINVAL; 3944 3945 mutex_lock(&spic_dev.lock); 3946 __sony_pic_set_bluetoothpower(value); 3947 mutex_unlock(&spic_dev.lock); 3948 3949 return count; 3950 } 3951 3952 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3953 struct device_attribute *attr, char *buffer) 3954 { 3955 ssize_t count = 0; 3956 mutex_lock(&spic_dev.lock); 3957 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3958 mutex_unlock(&spic_dev.lock); 3959 return count; 3960 } 3961 3962 /* fan speed */ 3963 /* FAN0 information (reverse engineered from ACPI tables) */ 3964 #define SONY_PIC_FAN0_STATUS 0x93 3965 static int sony_pic_set_fanspeed(unsigned long value) 3966 { 3967 return ec_write(SONY_PIC_FAN0_STATUS, value); 3968 } 3969 3970 static int sony_pic_get_fanspeed(u8 *value) 3971 { 3972 return ec_read(SONY_PIC_FAN0_STATUS, value); 3973 } 3974 3975 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3976 struct device_attribute *attr, 3977 const char *buffer, size_t count) 3978 { 3979 unsigned long value; 3980 if (count > 31) 3981 return -EINVAL; 3982 3983 if (kstrtoul(buffer, 10, &value)) 3984 return -EINVAL; 3985 3986 if (sony_pic_set_fanspeed(value)) 3987 return -EIO; 3988 3989 return count; 3990 } 3991 3992 static ssize_t sony_pic_fanspeed_show(struct device *dev, 3993 struct device_attribute *attr, char *buffer) 3994 { 3995 u8 value = 0; 3996 if (sony_pic_get_fanspeed(&value)) 3997 return -EIO; 3998 3999 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 4000 } 4001 4002 #define SPIC_ATTR(_name, _mode) \ 4003 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 4004 _mode, sony_pic_## _name ##_show, \ 4005 sony_pic_## _name ##_store) 4006 4007 static SPIC_ATTR(bluetoothpower, 0644); 4008 static SPIC_ATTR(wwanpower, 0644); 4009 static SPIC_ATTR(fanspeed, 0644); 4010 4011 static struct attribute *spic_attributes[] = { 4012 &spic_attr_bluetoothpower.attr, 4013 &spic_attr_wwanpower.attr, 4014 &spic_attr_fanspeed.attr, 4015 NULL 4016 }; 4017 4018 static const struct attribute_group spic_attribute_group = { 4019 .attrs = spic_attributes 4020 }; 4021 4022 /******** SONYPI compatibility **********/ 4023 #ifdef CONFIG_SONYPI_COMPAT 4024 4025 /* battery / brightness / temperature addresses */ 4026 #define SONYPI_BAT_FLAGS 0x81 4027 #define SONYPI_LCD_LIGHT 0x96 4028 #define SONYPI_BAT1_PCTRM 0xa0 4029 #define SONYPI_BAT1_LEFT 0xa2 4030 #define SONYPI_BAT1_MAXRT 0xa4 4031 #define SONYPI_BAT2_PCTRM 0xa8 4032 #define SONYPI_BAT2_LEFT 0xaa 4033 #define SONYPI_BAT2_MAXRT 0xac 4034 #define SONYPI_BAT1_MAXTK 0xb0 4035 #define SONYPI_BAT1_FULL 0xb2 4036 #define SONYPI_BAT2_MAXTK 0xb8 4037 #define SONYPI_BAT2_FULL 0xba 4038 #define SONYPI_TEMP_STATUS 0xC1 4039 4040 struct sonypi_compat_s { 4041 struct fasync_struct *fifo_async; 4042 struct kfifo fifo; 4043 spinlock_t fifo_lock; 4044 wait_queue_head_t fifo_proc_list; 4045 atomic_t open_count; 4046 }; 4047 static struct sonypi_compat_s sonypi_compat = { 4048 .open_count = ATOMIC_INIT(0), 4049 }; 4050 4051 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4052 { 4053 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4054 } 4055 4056 static int sonypi_misc_release(struct inode *inode, struct file *file) 4057 { 4058 atomic_dec(&sonypi_compat.open_count); 4059 return 0; 4060 } 4061 4062 static int sonypi_misc_open(struct inode *inode, struct file *file) 4063 { 4064 /* Flush input queue on first open */ 4065 unsigned long flags; 4066 4067 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4068 4069 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4070 kfifo_reset(&sonypi_compat.fifo); 4071 4072 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4073 4074 return 0; 4075 } 4076 4077 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4078 size_t count, loff_t *pos) 4079 { 4080 ssize_t ret; 4081 unsigned char c; 4082 4083 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4084 (file->f_flags & O_NONBLOCK)) 4085 return -EAGAIN; 4086 4087 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4088 kfifo_len(&sonypi_compat.fifo) != 0); 4089 if (ret) 4090 return ret; 4091 4092 while (ret < count && 4093 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4094 &sonypi_compat.fifo_lock) == sizeof(c))) { 4095 if (put_user(c, buf++)) 4096 return -EFAULT; 4097 ret++; 4098 } 4099 4100 if (ret > 0) { 4101 struct inode *inode = file_inode(file); 4102 inode->i_atime = current_time(inode); 4103 } 4104 4105 return ret; 4106 } 4107 4108 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait) 4109 { 4110 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4111 if (kfifo_len(&sonypi_compat.fifo)) 4112 return EPOLLIN | EPOLLRDNORM; 4113 return 0; 4114 } 4115 4116 static int ec_read16(u8 addr, u16 *value) 4117 { 4118 u8 val_lb, val_hb; 4119 if (ec_read(addr, &val_lb)) 4120 return -1; 4121 if (ec_read(addr + 1, &val_hb)) 4122 return -1; 4123 *value = val_lb | (val_hb << 8); 4124 return 0; 4125 } 4126 4127 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4128 unsigned long arg) 4129 { 4130 int ret = 0; 4131 void __user *argp = (void __user *)arg; 4132 u8 val8; 4133 u16 val16; 4134 int value; 4135 4136 mutex_lock(&spic_dev.lock); 4137 switch (cmd) { 4138 case SONYPI_IOCGBRT: 4139 if (sony_bl_props.dev == NULL) { 4140 ret = -EIO; 4141 break; 4142 } 4143 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4144 &value)) { 4145 ret = -EIO; 4146 break; 4147 } 4148 val8 = ((value & 0xff) - 1) << 5; 4149 if (copy_to_user(argp, &val8, sizeof(val8))) 4150 ret = -EFAULT; 4151 break; 4152 case SONYPI_IOCSBRT: 4153 if (sony_bl_props.dev == NULL) { 4154 ret = -EIO; 4155 break; 4156 } 4157 if (copy_from_user(&val8, argp, sizeof(val8))) { 4158 ret = -EFAULT; 4159 break; 4160 } 4161 value = (val8 >> 5) + 1; 4162 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4163 NULL)) { 4164 ret = -EIO; 4165 break; 4166 } 4167 /* sync the backlight device status */ 4168 sony_bl_props.dev->props.brightness = 4169 sony_backlight_get_brightness(sony_bl_props.dev); 4170 break; 4171 case SONYPI_IOCGBAT1CAP: 4172 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4173 ret = -EIO; 4174 break; 4175 } 4176 if (copy_to_user(argp, &val16, sizeof(val16))) 4177 ret = -EFAULT; 4178 break; 4179 case SONYPI_IOCGBAT1REM: 4180 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4181 ret = -EIO; 4182 break; 4183 } 4184 if (copy_to_user(argp, &val16, sizeof(val16))) 4185 ret = -EFAULT; 4186 break; 4187 case SONYPI_IOCGBAT2CAP: 4188 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4189 ret = -EIO; 4190 break; 4191 } 4192 if (copy_to_user(argp, &val16, sizeof(val16))) 4193 ret = -EFAULT; 4194 break; 4195 case SONYPI_IOCGBAT2REM: 4196 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4197 ret = -EIO; 4198 break; 4199 } 4200 if (copy_to_user(argp, &val16, sizeof(val16))) 4201 ret = -EFAULT; 4202 break; 4203 case SONYPI_IOCGBATFLAGS: 4204 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4205 ret = -EIO; 4206 break; 4207 } 4208 val8 &= 0x07; 4209 if (copy_to_user(argp, &val8, sizeof(val8))) 4210 ret = -EFAULT; 4211 break; 4212 case SONYPI_IOCGBLUE: 4213 val8 = spic_dev.bluetooth_power; 4214 if (copy_to_user(argp, &val8, sizeof(val8))) 4215 ret = -EFAULT; 4216 break; 4217 case SONYPI_IOCSBLUE: 4218 if (copy_from_user(&val8, argp, sizeof(val8))) { 4219 ret = -EFAULT; 4220 break; 4221 } 4222 __sony_pic_set_bluetoothpower(val8); 4223 break; 4224 /* FAN Controls */ 4225 case SONYPI_IOCGFAN: 4226 if (sony_pic_get_fanspeed(&val8)) { 4227 ret = -EIO; 4228 break; 4229 } 4230 if (copy_to_user(argp, &val8, sizeof(val8))) 4231 ret = -EFAULT; 4232 break; 4233 case SONYPI_IOCSFAN: 4234 if (copy_from_user(&val8, argp, sizeof(val8))) { 4235 ret = -EFAULT; 4236 break; 4237 } 4238 if (sony_pic_set_fanspeed(val8)) 4239 ret = -EIO; 4240 break; 4241 /* GET Temperature (useful under APM) */ 4242 case SONYPI_IOCGTEMP: 4243 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4244 ret = -EIO; 4245 break; 4246 } 4247 if (copy_to_user(argp, &val8, sizeof(val8))) 4248 ret = -EFAULT; 4249 break; 4250 default: 4251 ret = -EINVAL; 4252 } 4253 mutex_unlock(&spic_dev.lock); 4254 return ret; 4255 } 4256 4257 static const struct file_operations sonypi_misc_fops = { 4258 .owner = THIS_MODULE, 4259 .read = sonypi_misc_read, 4260 .poll = sonypi_misc_poll, 4261 .open = sonypi_misc_open, 4262 .release = sonypi_misc_release, 4263 .fasync = sonypi_misc_fasync, 4264 .unlocked_ioctl = sonypi_misc_ioctl, 4265 .llseek = noop_llseek, 4266 }; 4267 4268 static struct miscdevice sonypi_misc_device = { 4269 .minor = MISC_DYNAMIC_MINOR, 4270 .name = "sonypi", 4271 .fops = &sonypi_misc_fops, 4272 }; 4273 4274 static void sonypi_compat_report_event(u8 event) 4275 { 4276 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4277 sizeof(event), &sonypi_compat.fifo_lock); 4278 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4279 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4280 } 4281 4282 static int sonypi_compat_init(void) 4283 { 4284 int error; 4285 4286 spin_lock_init(&sonypi_compat.fifo_lock); 4287 error = 4288 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4289 if (error) { 4290 pr_err("kfifo_alloc failed\n"); 4291 return error; 4292 } 4293 4294 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4295 4296 if (minor != -1) 4297 sonypi_misc_device.minor = minor; 4298 error = misc_register(&sonypi_misc_device); 4299 if (error) { 4300 pr_err("misc_register failed\n"); 4301 goto err_free_kfifo; 4302 } 4303 if (minor == -1) 4304 pr_info("device allocated minor is %d\n", 4305 sonypi_misc_device.minor); 4306 4307 return 0; 4308 4309 err_free_kfifo: 4310 kfifo_free(&sonypi_compat.fifo); 4311 return error; 4312 } 4313 4314 static void sonypi_compat_exit(void) 4315 { 4316 misc_deregister(&sonypi_misc_device); 4317 kfifo_free(&sonypi_compat.fifo); 4318 } 4319 #else 4320 static int sonypi_compat_init(void) { return 0; } 4321 static void sonypi_compat_exit(void) { } 4322 static void sonypi_compat_report_event(u8 event) { } 4323 #endif /* CONFIG_SONYPI_COMPAT */ 4324 4325 /* 4326 * ACPI callbacks 4327 */ 4328 static acpi_status 4329 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4330 { 4331 u32 i; 4332 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4333 4334 switch (resource->type) { 4335 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4336 { 4337 /* start IO enumeration */ 4338 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4339 if (!ioport) 4340 return AE_ERROR; 4341 4342 list_add(&ioport->list, &dev->ioports); 4343 return AE_OK; 4344 } 4345 4346 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4347 /* end IO enumeration */ 4348 return AE_OK; 4349 4350 case ACPI_RESOURCE_TYPE_IRQ: 4351 { 4352 struct acpi_resource_irq *p = &resource->data.irq; 4353 struct sony_pic_irq *interrupt = NULL; 4354 if (!p || !p->interrupt_count) { 4355 /* 4356 * IRQ descriptors may have no IRQ# bits set, 4357 * particularly those those w/ _STA disabled 4358 */ 4359 dprintk("Blank IRQ resource\n"); 4360 return AE_OK; 4361 } 4362 for (i = 0; i < p->interrupt_count; i++) { 4363 if (!p->interrupts[i]) { 4364 pr_warn("Invalid IRQ %d\n", 4365 p->interrupts[i]); 4366 continue; 4367 } 4368 interrupt = kzalloc(sizeof(*interrupt), 4369 GFP_KERNEL); 4370 if (!interrupt) 4371 return AE_ERROR; 4372 4373 list_add(&interrupt->list, &dev->interrupts); 4374 interrupt->irq.triggering = p->triggering; 4375 interrupt->irq.polarity = p->polarity; 4376 interrupt->irq.shareable = p->shareable; 4377 interrupt->irq.interrupt_count = 1; 4378 interrupt->irq.interrupts[0] = p->interrupts[i]; 4379 } 4380 return AE_OK; 4381 } 4382 case ACPI_RESOURCE_TYPE_IO: 4383 { 4384 struct acpi_resource_io *io = &resource->data.io; 4385 struct sony_pic_ioport *ioport = 4386 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4387 if (!io) { 4388 dprintk("Blank IO resource\n"); 4389 return AE_OK; 4390 } 4391 4392 if (!ioport->io1.minimum) { 4393 memcpy(&ioport->io1, io, sizeof(*io)); 4394 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4395 ioport->io1.address_length); 4396 } 4397 else if (!ioport->io2.minimum) { 4398 memcpy(&ioport->io2, io, sizeof(*io)); 4399 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4400 ioport->io2.address_length); 4401 } 4402 else { 4403 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4404 return AE_ERROR; 4405 } 4406 return AE_OK; 4407 } 4408 4409 case ACPI_RESOURCE_TYPE_END_TAG: 4410 return AE_OK; 4411 4412 default: 4413 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4414 resource->type); 4415 return AE_CTRL_TERMINATE; 4416 4417 } 4418 } 4419 4420 static int sony_pic_possible_resources(struct acpi_device *device) 4421 { 4422 int result = 0; 4423 acpi_status status = AE_OK; 4424 4425 if (!device) 4426 return -EINVAL; 4427 4428 /* get device status */ 4429 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4430 dprintk("Evaluating _STA\n"); 4431 result = acpi_bus_get_status(device); 4432 if (result) { 4433 pr_warn("Unable to read status\n"); 4434 goto end; 4435 } 4436 4437 if (!device->status.enabled) 4438 dprintk("Device disabled\n"); 4439 else 4440 dprintk("Device enabled\n"); 4441 4442 /* 4443 * Query and parse 'method' 4444 */ 4445 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4446 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4447 sony_pic_read_possible_resource, &spic_dev); 4448 if (ACPI_FAILURE(status)) { 4449 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4450 result = -ENODEV; 4451 } 4452 end: 4453 return result; 4454 } 4455 4456 /* 4457 * Disable the spic device by calling its _DIS method 4458 */ 4459 static int sony_pic_disable(struct acpi_device *device) 4460 { 4461 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4462 NULL); 4463 4464 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4465 return -ENXIO; 4466 4467 dprintk("Device disabled\n"); 4468 return 0; 4469 } 4470 4471 4472 /* 4473 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4474 * 4475 * Call _SRS to set current resources 4476 */ 4477 static int sony_pic_enable(struct acpi_device *device, 4478 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4479 { 4480 acpi_status status; 4481 int result = 0; 4482 /* Type 1 resource layout is: 4483 * IO 4484 * IO 4485 * IRQNoFlags 4486 * End 4487 * 4488 * Type 2 and 3 resource layout is: 4489 * IO 4490 * IRQNoFlags 4491 * End 4492 */ 4493 struct { 4494 struct acpi_resource res1; 4495 struct acpi_resource res2; 4496 struct acpi_resource res3; 4497 struct acpi_resource res4; 4498 } *resource; 4499 struct acpi_buffer buffer = { 0, NULL }; 4500 4501 if (!ioport || !irq) 4502 return -EINVAL; 4503 4504 /* init acpi_buffer */ 4505 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4506 if (!resource) 4507 return -ENOMEM; 4508 4509 buffer.length = sizeof(*resource) + 1; 4510 buffer.pointer = resource; 4511 4512 /* setup Type 1 resources */ 4513 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4514 4515 /* setup io resources */ 4516 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4517 resource->res1.length = sizeof(struct acpi_resource); 4518 memcpy(&resource->res1.data.io, &ioport->io1, 4519 sizeof(struct acpi_resource_io)); 4520 4521 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4522 resource->res2.length = sizeof(struct acpi_resource); 4523 memcpy(&resource->res2.data.io, &ioport->io2, 4524 sizeof(struct acpi_resource_io)); 4525 4526 /* setup irq resource */ 4527 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4528 resource->res3.length = sizeof(struct acpi_resource); 4529 memcpy(&resource->res3.data.irq, &irq->irq, 4530 sizeof(struct acpi_resource_irq)); 4531 /* we requested a shared irq */ 4532 resource->res3.data.irq.shareable = ACPI_SHARED; 4533 4534 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4535 resource->res4.length = sizeof(struct acpi_resource); 4536 } 4537 /* setup Type 2/3 resources */ 4538 else { 4539 /* setup io resource */ 4540 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4541 resource->res1.length = sizeof(struct acpi_resource); 4542 memcpy(&resource->res1.data.io, &ioport->io1, 4543 sizeof(struct acpi_resource_io)); 4544 4545 /* setup irq resource */ 4546 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4547 resource->res2.length = sizeof(struct acpi_resource); 4548 memcpy(&resource->res2.data.irq, &irq->irq, 4549 sizeof(struct acpi_resource_irq)); 4550 /* we requested a shared irq */ 4551 resource->res2.data.irq.shareable = ACPI_SHARED; 4552 4553 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4554 resource->res3.length = sizeof(struct acpi_resource); 4555 } 4556 4557 /* Attempt to set the resource */ 4558 dprintk("Evaluating _SRS\n"); 4559 status = acpi_set_current_resources(device->handle, &buffer); 4560 4561 /* check for total failure */ 4562 if (ACPI_FAILURE(status)) { 4563 pr_err("Error evaluating _SRS\n"); 4564 result = -ENODEV; 4565 goto end; 4566 } 4567 4568 /* Necessary device initializations calls (from sonypi) */ 4569 sony_pic_call1(0x82); 4570 sony_pic_call2(0x81, 0xff); 4571 sony_pic_call1(compat ? 0x92 : 0x82); 4572 4573 end: 4574 kfree(resource); 4575 return result; 4576 } 4577 4578 /***************** 4579 * 4580 * ISR: some event is available 4581 * 4582 *****************/ 4583 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4584 { 4585 int i, j; 4586 u8 ev = 0; 4587 u8 data_mask = 0; 4588 u8 device_event = 0; 4589 4590 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4591 4592 ev = inb_p(dev->cur_ioport->io1.minimum); 4593 if (dev->cur_ioport->io2.minimum) 4594 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4595 else 4596 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4597 dev->evport_offset); 4598 4599 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4600 ev, data_mask, dev->cur_ioport->io1.minimum, 4601 dev->evport_offset); 4602 4603 if (ev == 0x00 || ev == 0xff) 4604 return IRQ_HANDLED; 4605 4606 for (i = 0; dev->event_types[i].mask; i++) { 4607 4608 if ((data_mask & dev->event_types[i].data) != 4609 dev->event_types[i].data) 4610 continue; 4611 4612 if (!(mask & dev->event_types[i].mask)) 4613 continue; 4614 4615 for (j = 0; dev->event_types[i].events[j].event; j++) { 4616 if (ev == dev->event_types[i].events[j].data) { 4617 device_event = 4618 dev->event_types[i].events[j].event; 4619 /* some events may require ignoring */ 4620 if (!device_event) 4621 return IRQ_HANDLED; 4622 goto found; 4623 } 4624 } 4625 } 4626 /* Still not able to decode the event try to pass 4627 * it over to the minidriver 4628 */ 4629 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4630 return IRQ_HANDLED; 4631 4632 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4633 ev, data_mask, dev->cur_ioport->io1.minimum, 4634 dev->evport_offset); 4635 return IRQ_HANDLED; 4636 4637 found: 4638 sony_laptop_report_input_event(device_event); 4639 sonypi_compat_report_event(device_event); 4640 return IRQ_HANDLED; 4641 } 4642 4643 /***************** 4644 * 4645 * ACPI driver 4646 * 4647 *****************/ 4648 static int sony_pic_remove(struct acpi_device *device) 4649 { 4650 struct sony_pic_ioport *io, *tmp_io; 4651 struct sony_pic_irq *irq, *tmp_irq; 4652 4653 if (sony_pic_disable(device)) { 4654 pr_err("Couldn't disable device\n"); 4655 return -ENXIO; 4656 } 4657 4658 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4659 release_region(spic_dev.cur_ioport->io1.minimum, 4660 spic_dev.cur_ioport->io1.address_length); 4661 if (spic_dev.cur_ioport->io2.minimum) 4662 release_region(spic_dev.cur_ioport->io2.minimum, 4663 spic_dev.cur_ioport->io2.address_length); 4664 4665 sonypi_compat_exit(); 4666 4667 sony_laptop_remove_input(); 4668 4669 /* pf attrs */ 4670 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4671 sony_pf_remove(); 4672 4673 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4674 list_del(&io->list); 4675 kfree(io); 4676 } 4677 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4678 list_del(&irq->list); 4679 kfree(irq); 4680 } 4681 spic_dev.cur_ioport = NULL; 4682 spic_dev.cur_irq = NULL; 4683 4684 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4685 return 0; 4686 } 4687 4688 static int sony_pic_add(struct acpi_device *device) 4689 { 4690 int result; 4691 struct sony_pic_ioport *io, *tmp_io; 4692 struct sony_pic_irq *irq, *tmp_irq; 4693 4694 spic_dev.acpi_dev = device; 4695 strcpy(acpi_device_class(device), "sony/hotkey"); 4696 sony_pic_detect_device_type(&spic_dev); 4697 mutex_init(&spic_dev.lock); 4698 4699 /* read _PRS resources */ 4700 result = sony_pic_possible_resources(device); 4701 if (result) { 4702 pr_err("Unable to read possible resources\n"); 4703 goto err_free_resources; 4704 } 4705 4706 /* setup input devices and helper fifo */ 4707 result = sony_laptop_setup_input(device); 4708 if (result) { 4709 pr_err("Unable to create input devices\n"); 4710 goto err_free_resources; 4711 } 4712 4713 result = sonypi_compat_init(); 4714 if (result) 4715 goto err_remove_input; 4716 4717 /* request io port */ 4718 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4719 if (request_region(io->io1.minimum, io->io1.address_length, 4720 "Sony Programmable I/O Device")) { 4721 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4722 io->io1.minimum, io->io1.maximum, 4723 io->io1.address_length); 4724 /* Type 1 have 2 ioports */ 4725 if (io->io2.minimum) { 4726 if (request_region(io->io2.minimum, 4727 io->io2.address_length, 4728 "Sony Programmable I/O Device")) { 4729 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4730 io->io2.minimum, io->io2.maximum, 4731 io->io2.address_length); 4732 spic_dev.cur_ioport = io; 4733 break; 4734 } 4735 else { 4736 dprintk("Unable to get I/O port2: " 4737 "0x%.4x (0x%.4x) + 0x%.2x\n", 4738 io->io2.minimum, io->io2.maximum, 4739 io->io2.address_length); 4740 release_region(io->io1.minimum, 4741 io->io1.address_length); 4742 } 4743 } 4744 else { 4745 spic_dev.cur_ioport = io; 4746 break; 4747 } 4748 } 4749 } 4750 if (!spic_dev.cur_ioport) { 4751 pr_err("Failed to request_region\n"); 4752 result = -ENODEV; 4753 goto err_remove_compat; 4754 } 4755 4756 /* request IRQ */ 4757 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4758 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4759 0, "sony-laptop", &spic_dev)) { 4760 dprintk("IRQ: %d - triggering: %d - " 4761 "polarity: %d - shr: %d\n", 4762 irq->irq.interrupts[0], 4763 irq->irq.triggering, 4764 irq->irq.polarity, 4765 irq->irq.shareable); 4766 spic_dev.cur_irq = irq; 4767 break; 4768 } 4769 } 4770 if (!spic_dev.cur_irq) { 4771 pr_err("Failed to request_irq\n"); 4772 result = -ENODEV; 4773 goto err_release_region; 4774 } 4775 4776 /* set resource status _SRS */ 4777 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4778 if (result) { 4779 pr_err("Couldn't enable device\n"); 4780 goto err_free_irq; 4781 } 4782 4783 spic_dev.bluetooth_power = -1; 4784 /* create device attributes */ 4785 result = sony_pf_add(); 4786 if (result) 4787 goto err_disable_device; 4788 4789 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4790 if (result) 4791 goto err_remove_pf; 4792 4793 pr_info("SPIC setup done.\n"); 4794 return 0; 4795 4796 err_remove_pf: 4797 sony_pf_remove(); 4798 4799 err_disable_device: 4800 sony_pic_disable(device); 4801 4802 err_free_irq: 4803 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4804 4805 err_release_region: 4806 release_region(spic_dev.cur_ioport->io1.minimum, 4807 spic_dev.cur_ioport->io1.address_length); 4808 if (spic_dev.cur_ioport->io2.minimum) 4809 release_region(spic_dev.cur_ioport->io2.minimum, 4810 spic_dev.cur_ioport->io2.address_length); 4811 4812 err_remove_compat: 4813 sonypi_compat_exit(); 4814 4815 err_remove_input: 4816 sony_laptop_remove_input(); 4817 4818 err_free_resources: 4819 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4820 list_del(&io->list); 4821 kfree(io); 4822 } 4823 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4824 list_del(&irq->list); 4825 kfree(irq); 4826 } 4827 spic_dev.cur_ioport = NULL; 4828 spic_dev.cur_irq = NULL; 4829 4830 return result; 4831 } 4832 4833 #ifdef CONFIG_PM_SLEEP 4834 static int sony_pic_suspend(struct device *dev) 4835 { 4836 if (sony_pic_disable(to_acpi_device(dev))) 4837 return -ENXIO; 4838 return 0; 4839 } 4840 4841 static int sony_pic_resume(struct device *dev) 4842 { 4843 sony_pic_enable(to_acpi_device(dev), 4844 spic_dev.cur_ioport, spic_dev.cur_irq); 4845 return 0; 4846 } 4847 #endif 4848 4849 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4850 4851 static const struct acpi_device_id sony_pic_device_ids[] = { 4852 {SONY_PIC_HID, 0}, 4853 {"", 0}, 4854 }; 4855 4856 static struct acpi_driver sony_pic_driver = { 4857 .name = SONY_PIC_DRIVER_NAME, 4858 .class = SONY_PIC_CLASS, 4859 .ids = sony_pic_device_ids, 4860 .owner = THIS_MODULE, 4861 .ops = { 4862 .add = sony_pic_add, 4863 .remove = sony_pic_remove, 4864 }, 4865 .drv.pm = &sony_pic_pm, 4866 }; 4867 4868 static const struct dmi_system_id sonypi_dmi_table[] __initconst = { 4869 { 4870 .ident = "Sony Vaio", 4871 .matches = { 4872 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4873 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4874 }, 4875 }, 4876 { 4877 .ident = "Sony Vaio", 4878 .matches = { 4879 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4880 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4881 }, 4882 }, 4883 { } 4884 }; 4885 4886 static int __init sony_laptop_init(void) 4887 { 4888 int result; 4889 4890 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4891 result = acpi_bus_register_driver(&sony_pic_driver); 4892 if (result) { 4893 pr_err("Unable to register SPIC driver\n"); 4894 goto out; 4895 } 4896 spic_drv_registered = 1; 4897 } 4898 4899 result = acpi_bus_register_driver(&sony_nc_driver); 4900 if (result) { 4901 pr_err("Unable to register SNC driver\n"); 4902 goto out_unregister_pic; 4903 } 4904 4905 return 0; 4906 4907 out_unregister_pic: 4908 if (spic_drv_registered) 4909 acpi_bus_unregister_driver(&sony_pic_driver); 4910 out: 4911 return result; 4912 } 4913 4914 static void __exit sony_laptop_exit(void) 4915 { 4916 acpi_bus_unregister_driver(&sony_nc_driver); 4917 if (spic_drv_registered) 4918 acpi_bus_unregister_driver(&sony_pic_driver); 4919 } 4920 4921 module_init(sony_laptop_init); 4922 module_exit(sony_laptop_exit); 4923