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