1 /* 2 * ACPI Sony Notebook Control Driver (SNC and SPIC) 3 * 4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net> 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it> 6 * 7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c 8 * which are copyrighted by their respective authors. 9 * 10 * The SNY6001 driver part is based on the sonypi driver which includes 11 * material from: 12 * 13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net> 14 * 15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org> 16 * 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com> 18 * 19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au> 20 * 21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp> 22 * 23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp> 24 * 25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> 26 * 27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 42 * 43 */ 44 45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 46 47 #include <linux/kernel.h> 48 #include <linux/module.h> 49 #include <linux/moduleparam.h> 50 #include <linux/init.h> 51 #include <linux/types.h> 52 #include <linux/backlight.h> 53 #include <linux/platform_device.h> 54 #include <linux/err.h> 55 #include <linux/dmi.h> 56 #include <linux/pci.h> 57 #include <linux/interrupt.h> 58 #include <linux/delay.h> 59 #include <linux/input.h> 60 #include <linux/kfifo.h> 61 #include <linux/workqueue.h> 62 #include <linux/acpi.h> 63 #include <linux/slab.h> 64 #include <linux/sonypi.h> 65 #include <linux/sony-laptop.h> 66 #include <linux/rfkill.h> 67 #ifdef CONFIG_SONYPI_COMPAT 68 #include <linux/poll.h> 69 #include <linux/miscdevice.h> 70 #endif 71 #include <asm/uaccess.h> 72 73 #define dprintk(fmt, ...) \ 74 do { \ 75 if (debug) \ 76 pr_warn(fmt, ##__VA_ARGS__); \ 77 } while (0) 78 79 #define SONY_NC_CLASS "sony-nc" 80 #define SONY_NC_HID "SNY5001" 81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 82 83 #define SONY_PIC_CLASS "sony-pic" 84 #define SONY_PIC_HID "SNY6001" 85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 86 87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 89 MODULE_LICENSE("GPL"); 90 91 static int debug; 92 module_param(debug, int, 0); 93 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 94 "the development of this driver"); 95 96 static int no_spic; /* = 0 */ 97 module_param(no_spic, int, 0444); 98 MODULE_PARM_DESC(no_spic, 99 "set this if you don't want to enable the SPIC device"); 100 101 static int compat; /* = 0 */ 102 module_param(compat, int, 0444); 103 MODULE_PARM_DESC(compat, 104 "set this if you want to enable backward compatibility mode"); 105 106 static unsigned long mask = 0xffffffff; 107 module_param(mask, ulong, 0644); 108 MODULE_PARM_DESC(mask, 109 "set this to the mask of event you want to enable (see doc)"); 110 111 static int camera; /* = 0 */ 112 module_param(camera, int, 0444); 113 MODULE_PARM_DESC(camera, 114 "set this to 1 to enable Motion Eye camera controls " 115 "(only use it if you have a C1VE or C1VN model)"); 116 117 #ifdef CONFIG_SONYPI_COMPAT 118 static int minor = -1; 119 module_param(minor, int, 0); 120 MODULE_PARM_DESC(minor, 121 "minor number of the misc device for the SPIC compatibility code, " 122 "default is -1 (automatic)"); 123 #endif 124 125 static int kbd_backlight = -1; 126 module_param(kbd_backlight, int, 0444); 127 MODULE_PARM_DESC(kbd_backlight, 128 "set this to 0 to disable keyboard backlight, " 129 "1 to enable it with automatic control and 2 to have it always " 130 "on (default: no change from current value)"); 131 132 static int kbd_backlight_timeout = -1; 133 module_param(kbd_backlight_timeout, int, 0444); 134 MODULE_PARM_DESC(kbd_backlight_timeout, 135 "meaningful values vary from 0 to 3 and their meaning depends " 136 "on the model (default: no change from current value)"); 137 138 #ifdef CONFIG_PM_SLEEP 139 static void sony_nc_thermal_resume(void); 140 #endif 141 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 142 unsigned int handle); 143 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 144 unsigned int handle); 145 146 static int sony_nc_battery_care_setup(struct platform_device *pd, 147 unsigned int handle); 148 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 149 150 static int sony_nc_thermal_setup(struct platform_device *pd); 151 static void sony_nc_thermal_cleanup(struct platform_device *pd); 152 153 static int sony_nc_lid_resume_setup(struct platform_device *pd, 154 unsigned int handle); 155 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 156 157 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 158 unsigned int handle); 159 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 160 static int __sony_nc_gfx_switch_status_get(void); 161 162 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 163 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 164 165 static int sony_nc_lowbatt_setup(struct platform_device *pd); 166 static void sony_nc_lowbatt_cleanup(struct platform_device *pd); 167 168 static int sony_nc_fanspeed_setup(struct platform_device *pd); 169 static void sony_nc_fanspeed_cleanup(struct platform_device *pd); 170 171 static int sony_nc_usb_charge_setup(struct platform_device *pd); 172 static void sony_nc_usb_charge_cleanup(struct platform_device *pd); 173 174 static int sony_nc_panelid_setup(struct platform_device *pd); 175 static void sony_nc_panelid_cleanup(struct platform_device *pd); 176 177 static int sony_nc_smart_conn_setup(struct platform_device *pd); 178 static void sony_nc_smart_conn_cleanup(struct platform_device *pd); 179 180 static int sony_nc_touchpad_setup(struct platform_device *pd, 181 unsigned int handle); 182 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 183 184 enum sony_nc_rfkill { 185 SONY_WIFI, 186 SONY_BLUETOOTH, 187 SONY_WWAN, 188 SONY_WIMAX, 189 N_SONY_RFKILL, 190 }; 191 192 static int sony_rfkill_handle; 193 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 194 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 195 static int sony_nc_rfkill_setup(struct acpi_device *device, 196 unsigned int handle); 197 static void sony_nc_rfkill_cleanup(void); 198 static void sony_nc_rfkill_update(void); 199 200 /*********** Input Devices ***********/ 201 202 #define SONY_LAPTOP_BUF_SIZE 128 203 struct sony_laptop_input_s { 204 atomic_t users; 205 struct input_dev *jog_dev; 206 struct input_dev *key_dev; 207 struct kfifo fifo; 208 spinlock_t fifo_lock; 209 struct timer_list release_key_timer; 210 }; 211 212 static struct sony_laptop_input_s sony_laptop_input = { 213 .users = ATOMIC_INIT(0), 214 }; 215 216 struct sony_laptop_keypress { 217 struct input_dev *dev; 218 int key; 219 }; 220 221 /* Correspondance table between sonypi events 222 * and input layer indexes in the keymap 223 */ 224 static int sony_laptop_input_index[] = { 225 -1, /* 0 no event */ 226 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 227 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 228 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 229 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 230 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 231 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 232 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 233 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 234 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 235 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 236 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 237 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 238 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 239 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 240 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 241 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 242 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 243 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 244 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 245 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 246 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 247 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 248 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 249 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 250 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 251 19, /* 26 SONYPI_EVENT_FNKEY_D */ 252 20, /* 27 SONYPI_EVENT_FNKEY_E */ 253 21, /* 28 SONYPI_EVENT_FNKEY_F */ 254 22, /* 29 SONYPI_EVENT_FNKEY_S */ 255 23, /* 30 SONYPI_EVENT_FNKEY_B */ 256 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 257 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 258 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 259 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 260 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 261 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 262 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 263 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 264 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 265 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 266 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 267 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 268 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 269 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 270 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 271 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 272 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 273 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 274 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 275 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 276 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 277 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 278 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 279 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 280 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 281 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 282 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 283 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 284 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 285 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 286 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 287 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 288 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 289 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 290 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 291 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 292 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 293 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 294 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 295 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 296 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 297 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 298 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 299 }; 300 301 static int sony_laptop_input_keycode_map[] = { 302 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 303 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 304 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 305 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 306 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 307 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 308 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 309 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 310 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 311 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 312 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 313 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 314 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 315 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 316 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 317 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 318 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 319 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 320 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 321 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 322 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 323 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 324 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 325 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 326 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 327 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 328 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 329 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 330 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 331 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 332 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 333 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 334 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 335 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 336 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 337 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 338 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 339 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 340 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 341 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 342 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 343 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 344 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 345 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 346 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 347 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 348 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 349 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 350 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 351 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 352 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 353 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 354 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 355 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 356 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 357 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 358 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 359 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 360 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 361 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 362 }; 363 364 /* release buttons after a short delay if pressed */ 365 static void do_sony_laptop_release_key(unsigned long unused) 366 { 367 struct sony_laptop_keypress kp; 368 unsigned long flags; 369 370 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 371 372 if (kfifo_out(&sony_laptop_input.fifo, 373 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 374 input_report_key(kp.dev, kp.key, 0); 375 input_sync(kp.dev); 376 } 377 378 /* If there is something in the fifo schedule next release. */ 379 if (kfifo_len(&sony_laptop_input.fifo) != 0) 380 mod_timer(&sony_laptop_input.release_key_timer, 381 jiffies + msecs_to_jiffies(10)); 382 383 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 384 } 385 386 /* forward event to the input subsystem */ 387 static void sony_laptop_report_input_event(u8 event) 388 { 389 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 390 struct input_dev *key_dev = sony_laptop_input.key_dev; 391 struct sony_laptop_keypress kp = { NULL }; 392 int scancode = -1; 393 394 if (event == SONYPI_EVENT_FNKEY_RELEASED || 395 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 396 /* Nothing, not all VAIOs generate this event */ 397 return; 398 } 399 400 /* report events */ 401 switch (event) { 402 /* jog_dev events */ 403 case SONYPI_EVENT_JOGDIAL_UP: 404 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 405 input_report_rel(jog_dev, REL_WHEEL, 1); 406 input_sync(jog_dev); 407 return; 408 409 case SONYPI_EVENT_JOGDIAL_DOWN: 410 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 411 input_report_rel(jog_dev, REL_WHEEL, -1); 412 input_sync(jog_dev); 413 return; 414 415 /* key_dev events */ 416 case SONYPI_EVENT_JOGDIAL_PRESSED: 417 kp.key = BTN_MIDDLE; 418 kp.dev = jog_dev; 419 break; 420 421 default: 422 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 423 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 424 break; 425 } 426 if ((scancode = sony_laptop_input_index[event]) != -1) { 427 kp.key = sony_laptop_input_keycode_map[scancode]; 428 if (kp.key != KEY_UNKNOWN) 429 kp.dev = key_dev; 430 } 431 break; 432 } 433 434 if (kp.dev) { 435 /* if we have a scancode we emit it so we can always 436 remap the key */ 437 if (scancode != -1) 438 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 439 input_report_key(kp.dev, kp.key, 1); 440 input_sync(kp.dev); 441 442 /* schedule key release */ 443 kfifo_in_locked(&sony_laptop_input.fifo, 444 (unsigned char *)&kp, sizeof(kp), 445 &sony_laptop_input.fifo_lock); 446 mod_timer(&sony_laptop_input.release_key_timer, 447 jiffies + msecs_to_jiffies(10)); 448 } else 449 dprintk("unknown input event %.2x\n", event); 450 } 451 452 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 453 { 454 struct input_dev *jog_dev; 455 struct input_dev *key_dev; 456 int i; 457 int error; 458 459 /* don't run again if already initialized */ 460 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 461 return 0; 462 463 /* kfifo */ 464 spin_lock_init(&sony_laptop_input.fifo_lock); 465 error = kfifo_alloc(&sony_laptop_input.fifo, 466 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 467 if (error) { 468 pr_err("kfifo_alloc failed\n"); 469 goto err_dec_users; 470 } 471 472 setup_timer(&sony_laptop_input.release_key_timer, 473 do_sony_laptop_release_key, 0); 474 475 /* input keys */ 476 key_dev = input_allocate_device(); 477 if (!key_dev) { 478 error = -ENOMEM; 479 goto err_free_kfifo; 480 } 481 482 key_dev->name = "Sony Vaio Keys"; 483 key_dev->id.bustype = BUS_ISA; 484 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 485 key_dev->dev.parent = &acpi_device->dev; 486 487 /* Initialize the Input Drivers: special keys */ 488 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 489 490 __set_bit(EV_KEY, key_dev->evbit); 491 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 492 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 493 key_dev->keycode = &sony_laptop_input_keycode_map; 494 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 495 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 496 __clear_bit(KEY_RESERVED, key_dev->keybit); 497 498 error = input_register_device(key_dev); 499 if (error) 500 goto err_free_keydev; 501 502 sony_laptop_input.key_dev = key_dev; 503 504 /* jogdial */ 505 jog_dev = input_allocate_device(); 506 if (!jog_dev) { 507 error = -ENOMEM; 508 goto err_unregister_keydev; 509 } 510 511 jog_dev->name = "Sony Vaio Jogdial"; 512 jog_dev->id.bustype = BUS_ISA; 513 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 514 jog_dev->dev.parent = &acpi_device->dev; 515 516 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 517 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 518 519 error = input_register_device(jog_dev); 520 if (error) 521 goto err_free_jogdev; 522 523 sony_laptop_input.jog_dev = jog_dev; 524 525 return 0; 526 527 err_free_jogdev: 528 input_free_device(jog_dev); 529 530 err_unregister_keydev: 531 input_unregister_device(key_dev); 532 /* to avoid kref underflow below at input_free_device */ 533 key_dev = NULL; 534 535 err_free_keydev: 536 input_free_device(key_dev); 537 538 err_free_kfifo: 539 kfifo_free(&sony_laptop_input.fifo); 540 541 err_dec_users: 542 atomic_dec(&sony_laptop_input.users); 543 return error; 544 } 545 546 static void sony_laptop_remove_input(void) 547 { 548 struct sony_laptop_keypress kp = { NULL }; 549 550 /* Cleanup only after the last user has gone */ 551 if (!atomic_dec_and_test(&sony_laptop_input.users)) 552 return; 553 554 del_timer_sync(&sony_laptop_input.release_key_timer); 555 556 /* 557 * Generate key-up events for remaining keys. Note that we don't 558 * need locking since nobody is adding new events to the kfifo. 559 */ 560 while (kfifo_out(&sony_laptop_input.fifo, 561 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 562 input_report_key(kp.dev, kp.key, 0); 563 input_sync(kp.dev); 564 } 565 566 /* destroy input devs */ 567 input_unregister_device(sony_laptop_input.key_dev); 568 sony_laptop_input.key_dev = NULL; 569 570 if (sony_laptop_input.jog_dev) { 571 input_unregister_device(sony_laptop_input.jog_dev); 572 sony_laptop_input.jog_dev = NULL; 573 } 574 575 kfifo_free(&sony_laptop_input.fifo); 576 } 577 578 /*********** Platform Device ***********/ 579 580 static atomic_t sony_pf_users = ATOMIC_INIT(0); 581 static struct platform_driver sony_pf_driver = { 582 .driver = { 583 .name = "sony-laptop", 584 } 585 }; 586 static struct platform_device *sony_pf_device; 587 588 static int sony_pf_add(void) 589 { 590 int ret = 0; 591 592 /* don't run again if already initialized */ 593 if (atomic_add_return(1, &sony_pf_users) > 1) 594 return 0; 595 596 ret = platform_driver_register(&sony_pf_driver); 597 if (ret) 598 goto out; 599 600 sony_pf_device = platform_device_alloc("sony-laptop", -1); 601 if (!sony_pf_device) { 602 ret = -ENOMEM; 603 goto out_platform_registered; 604 } 605 606 ret = platform_device_add(sony_pf_device); 607 if (ret) 608 goto out_platform_alloced; 609 610 return 0; 611 612 out_platform_alloced: 613 platform_device_put(sony_pf_device); 614 sony_pf_device = NULL; 615 out_platform_registered: 616 platform_driver_unregister(&sony_pf_driver); 617 out: 618 atomic_dec(&sony_pf_users); 619 return ret; 620 } 621 622 static void sony_pf_remove(void) 623 { 624 /* deregister only after the last user has gone */ 625 if (!atomic_dec_and_test(&sony_pf_users)) 626 return; 627 628 platform_device_unregister(sony_pf_device); 629 platform_driver_unregister(&sony_pf_driver); 630 } 631 632 /*********** SNC (SNY5001) Device ***********/ 633 634 /* the device uses 1-based values, while the backlight subsystem uses 635 0-based values */ 636 #define SONY_MAX_BRIGHTNESS 8 637 638 #define SNC_VALIDATE_IN 0 639 #define SNC_VALIDATE_OUT 1 640 641 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 642 char *); 643 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 644 const char *, size_t); 645 static int boolean_validate(const int, const int); 646 static int brightness_default_validate(const int, const int); 647 648 struct sony_nc_value { 649 char *name; /* name of the entry */ 650 char **acpiget; /* names of the ACPI get function */ 651 char **acpiset; /* names of the ACPI set function */ 652 int (*validate)(const int, const int); /* input/output validation */ 653 int value; /* current setting */ 654 int valid; /* Has ever been set */ 655 int debug; /* active only in debug mode ? */ 656 struct device_attribute devattr; /* sysfs attribute */ 657 }; 658 659 #define SNC_HANDLE_NAMES(_name, _values...) \ 660 static char *snc_##_name[] = { _values, NULL } 661 662 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 663 { \ 664 .name = __stringify(_name), \ 665 .acpiget = _getters, \ 666 .acpiset = _setters, \ 667 .validate = _validate, \ 668 .debug = _debug, \ 669 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 670 } 671 672 #define SNC_HANDLE_NULL { .name = NULL } 673 674 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 675 676 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 677 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 678 679 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 680 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 681 682 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 683 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 684 685 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 686 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 687 688 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 689 690 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 691 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 692 693 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 694 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 695 696 SNC_HANDLE_NAMES(PID_get, "GPID"); 697 698 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 699 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 700 701 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 702 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 703 704 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 705 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 706 707 static struct sony_nc_value sony_nc_values[] = { 708 SNC_HANDLE(brightness_default, snc_brightness_def_get, 709 snc_brightness_def_set, brightness_default_validate, 0), 710 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 711 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 712 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 713 boolean_validate, 0), 714 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 715 boolean_validate, 1), 716 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 717 boolean_validate, 0), 718 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 719 boolean_validate, 0), 720 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 721 boolean_validate, 0), 722 /* unknown methods */ 723 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 724 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 725 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 726 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 727 SNC_HANDLE_NULL 728 }; 729 730 static acpi_handle sony_nc_acpi_handle; 731 static struct acpi_device *sony_nc_acpi_device = NULL; 732 733 /* 734 * acpi_evaluate_object wrappers 735 * all useful calls into SNC methods take one or zero parameters and return 736 * integers or arrays. 737 */ 738 static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 739 u64 *value) 740 { 741 union acpi_object *result = NULL; 742 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 743 acpi_status status; 744 745 if (value) { 746 struct acpi_object_list params; 747 union acpi_object in; 748 in.type = ACPI_TYPE_INTEGER; 749 in.integer.value = *value; 750 params.count = 1; 751 params.pointer = ∈ 752 status = acpi_evaluate_object(handle, method, ¶ms, &output); 753 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 754 (unsigned int)(*value >> 32), 755 (unsigned int)*value & 0xffffffff); 756 } else { 757 status = acpi_evaluate_object(handle, method, NULL, &output); 758 dprintk("__call_snc_method: [%s]\n", method); 759 } 760 761 if (ACPI_FAILURE(status)) { 762 pr_err("Failed to evaluate [%s]\n", method); 763 return NULL; 764 } 765 766 result = (union acpi_object *) output.pointer; 767 if (!result) 768 dprintk("No return object [%s]\n", method); 769 770 return result; 771 } 772 773 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 774 int *result) 775 { 776 union acpi_object *object = NULL; 777 if (value) { 778 u64 v = *value; 779 object = __call_snc_method(handle, name, &v); 780 } else 781 object = __call_snc_method(handle, name, NULL); 782 783 if (!object) 784 return -EINVAL; 785 786 if (object->type != ACPI_TYPE_INTEGER) { 787 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 788 ACPI_TYPE_INTEGER, object->type); 789 kfree(object); 790 return -EINVAL; 791 } 792 793 if (result) 794 *result = object->integer.value; 795 796 kfree(object); 797 return 0; 798 } 799 800 #define MIN(a, b) (a > b ? b : a) 801 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 802 void *buffer, size_t buflen) 803 { 804 int ret = 0; 805 size_t len; 806 union acpi_object *object = __call_snc_method(handle, name, value); 807 808 if (!object) 809 return -EINVAL; 810 811 if (object->type == ACPI_TYPE_BUFFER) { 812 len = MIN(buflen, object->buffer.length); 813 memcpy(buffer, object->buffer.pointer, len); 814 815 } else if (object->type == ACPI_TYPE_INTEGER) { 816 len = MIN(buflen, sizeof(object->integer.value)); 817 memcpy(buffer, &object->integer.value, len); 818 819 } else { 820 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 821 ACPI_TYPE_BUFFER, object->type); 822 ret = -EINVAL; 823 } 824 825 kfree(object); 826 return ret; 827 } 828 829 struct sony_nc_handles { 830 u16 cap[0x10]; 831 struct device_attribute devattr; 832 }; 833 834 static struct sony_nc_handles *handles; 835 836 static ssize_t sony_nc_handles_show(struct device *dev, 837 struct device_attribute *attr, char *buffer) 838 { 839 ssize_t len = 0; 840 int i; 841 842 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 843 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 844 handles->cap[i]); 845 } 846 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 847 848 return len; 849 } 850 851 static int sony_nc_handles_setup(struct platform_device *pd) 852 { 853 int i, r, result, arg; 854 855 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 856 if (!handles) 857 return -ENOMEM; 858 859 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 860 arg = i + 0x20; 861 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 862 &result); 863 if (!r) { 864 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 865 result, i); 866 handles->cap[i] = result; 867 } 868 } 869 870 if (debug) { 871 sysfs_attr_init(&handles->devattr.attr); 872 handles->devattr.attr.name = "handles"; 873 handles->devattr.attr.mode = S_IRUGO; 874 handles->devattr.show = sony_nc_handles_show; 875 876 /* allow reading capabilities via sysfs */ 877 if (device_create_file(&pd->dev, &handles->devattr)) { 878 kfree(handles); 879 handles = NULL; 880 return -1; 881 } 882 } 883 884 return 0; 885 } 886 887 static int sony_nc_handles_cleanup(struct platform_device *pd) 888 { 889 if (handles) { 890 if (debug) 891 device_remove_file(&pd->dev, &handles->devattr); 892 kfree(handles); 893 handles = NULL; 894 } 895 return 0; 896 } 897 898 static int sony_find_snc_handle(int handle) 899 { 900 int i; 901 902 /* not initialized yet, return early */ 903 if (!handles || !handle) 904 return -EINVAL; 905 906 for (i = 0; i < 0x10; i++) { 907 if (handles->cap[i] == handle) { 908 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 909 handle, i); 910 return i; 911 } 912 } 913 dprintk("handle 0x%.4x not found\n", handle); 914 return -EINVAL; 915 } 916 917 static int sony_call_snc_handle(int handle, int argument, int *result) 918 { 919 int arg, ret = 0; 920 int offset = sony_find_snc_handle(handle); 921 922 if (offset < 0) 923 return offset; 924 925 arg = offset | argument; 926 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 927 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 928 return ret; 929 } 930 931 /* 932 * sony_nc_values input/output validate functions 933 */ 934 935 /* brightness_default_validate: 936 * 937 * manipulate input output values to keep consistency with the 938 * backlight framework for which brightness values are 0-based. 939 */ 940 static int brightness_default_validate(const int direction, const int value) 941 { 942 switch (direction) { 943 case SNC_VALIDATE_OUT: 944 return value - 1; 945 case SNC_VALIDATE_IN: 946 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 947 return value + 1; 948 } 949 return -EINVAL; 950 } 951 952 /* boolean_validate: 953 * 954 * on input validate boolean values 0/1, on output just pass the 955 * received value. 956 */ 957 static int boolean_validate(const int direction, const int value) 958 { 959 if (direction == SNC_VALIDATE_IN) { 960 if (value != 0 && value != 1) 961 return -EINVAL; 962 } 963 return value; 964 } 965 966 /* 967 * Sysfs show/store common to all sony_nc_values 968 */ 969 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 970 char *buffer) 971 { 972 int value, ret = 0; 973 struct sony_nc_value *item = 974 container_of(attr, struct sony_nc_value, devattr); 975 976 if (!*item->acpiget) 977 return -EIO; 978 979 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 980 &value); 981 if (ret < 0) 982 return -EIO; 983 984 if (item->validate) 985 value = item->validate(SNC_VALIDATE_OUT, value); 986 987 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 988 } 989 990 static ssize_t sony_nc_sysfs_store(struct device *dev, 991 struct device_attribute *attr, 992 const char *buffer, size_t count) 993 { 994 int value; 995 int ret = 0; 996 struct sony_nc_value *item = 997 container_of(attr, struct sony_nc_value, devattr); 998 999 if (!item->acpiset) 1000 return -EIO; 1001 1002 if (count > 31) 1003 return -EINVAL; 1004 1005 if (kstrtoint(buffer, 10, &value)) 1006 return -EINVAL; 1007 1008 if (item->validate) 1009 value = item->validate(SNC_VALIDATE_IN, value); 1010 1011 if (value < 0) 1012 return value; 1013 1014 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1015 &value, NULL); 1016 if (ret < 0) 1017 return -EIO; 1018 1019 item->value = value; 1020 item->valid = 1; 1021 return count; 1022 } 1023 1024 1025 /* 1026 * Backlight device 1027 */ 1028 struct sony_backlight_props { 1029 struct backlight_device *dev; 1030 int handle; 1031 int cmd_base; 1032 u8 offset; 1033 u8 maxlvl; 1034 }; 1035 struct sony_backlight_props sony_bl_props; 1036 1037 static int sony_backlight_update_status(struct backlight_device *bd) 1038 { 1039 int arg = bd->props.brightness + 1; 1040 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1041 } 1042 1043 static int sony_backlight_get_brightness(struct backlight_device *bd) 1044 { 1045 int value; 1046 1047 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1048 return 0; 1049 /* brightness levels are 1-based, while backlight ones are 0-based */ 1050 return value - 1; 1051 } 1052 1053 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1054 { 1055 int result; 1056 struct sony_backlight_props *sdev = 1057 (struct sony_backlight_props *)bl_get_data(bd); 1058 1059 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1060 1061 return (result & 0xff) - sdev->offset; 1062 } 1063 1064 static int sony_nc_update_status_ng(struct backlight_device *bd) 1065 { 1066 int value, result; 1067 struct sony_backlight_props *sdev = 1068 (struct sony_backlight_props *)bl_get_data(bd); 1069 1070 value = bd->props.brightness + sdev->offset; 1071 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1072 &result)) 1073 return -EIO; 1074 1075 return value; 1076 } 1077 1078 static const struct backlight_ops sony_backlight_ops = { 1079 .options = BL_CORE_SUSPENDRESUME, 1080 .update_status = sony_backlight_update_status, 1081 .get_brightness = sony_backlight_get_brightness, 1082 }; 1083 static const struct backlight_ops sony_backlight_ng_ops = { 1084 .options = BL_CORE_SUSPENDRESUME, 1085 .update_status = sony_nc_update_status_ng, 1086 .get_brightness = sony_nc_get_brightness_ng, 1087 }; 1088 1089 /* 1090 * New SNC-only Vaios event mapping to driver known keys 1091 */ 1092 struct sony_nc_event { 1093 u8 data; 1094 u8 event; 1095 }; 1096 1097 static struct sony_nc_event sony_100_events[] = { 1098 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1099 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1100 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1101 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1102 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1103 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1104 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1105 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1106 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1107 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1108 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1109 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1110 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1111 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1112 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1113 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1114 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1115 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1116 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1117 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1118 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1119 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1120 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1121 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1122 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1123 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1124 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1125 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1126 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1127 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1128 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1129 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1130 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1131 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1132 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1133 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1134 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1135 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1136 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1137 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1138 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1139 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1140 { 0, 0 }, 1141 }; 1142 1143 static struct sony_nc_event sony_127_events[] = { 1144 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1145 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1146 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1147 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1148 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1149 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1150 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1151 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1152 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1153 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1154 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1155 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1156 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1157 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1158 { 0, 0 }, 1159 }; 1160 1161 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1162 { 1163 int ret = -EINVAL; 1164 unsigned int result = 0; 1165 struct sony_nc_event *key_event; 1166 1167 if (sony_call_snc_handle(handle, 0x200, &result)) { 1168 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1169 event); 1170 return -EINVAL; 1171 } 1172 1173 result &= 0xFF; 1174 1175 if (handle == 0x0100) 1176 key_event = sony_100_events; 1177 else 1178 key_event = sony_127_events; 1179 1180 for (; key_event->data; key_event++) { 1181 if (key_event->data == result) { 1182 ret = key_event->event; 1183 break; 1184 } 1185 } 1186 1187 if (!key_event->data) 1188 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1189 event, result, handle); 1190 1191 return ret; 1192 } 1193 1194 /* 1195 * ACPI callbacks 1196 */ 1197 enum event_types { 1198 HOTKEY = 1, 1199 KILLSWITCH, 1200 GFX_SWITCH 1201 }; 1202 static void sony_nc_notify(struct acpi_device *device, u32 event) 1203 { 1204 u32 real_ev = event; 1205 u8 ev_type = 0; 1206 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1207 1208 if (event >= 0x90) { 1209 unsigned int result = 0; 1210 unsigned int arg = 0; 1211 unsigned int handle = 0; 1212 unsigned int offset = event - 0x90; 1213 1214 if (offset >= ARRAY_SIZE(handles->cap)) { 1215 pr_err("Event 0x%x outside of capabilities list\n", 1216 event); 1217 return; 1218 } 1219 handle = handles->cap[offset]; 1220 1221 /* list of handles known for generating events */ 1222 switch (handle) { 1223 /* hotkey event */ 1224 case 0x0100: 1225 case 0x0127: 1226 ev_type = HOTKEY; 1227 real_ev = sony_nc_hotkeys_decode(event, handle); 1228 1229 if (real_ev > 0) 1230 sony_laptop_report_input_event(real_ev); 1231 else 1232 /* restore the original event for reporting */ 1233 real_ev = event; 1234 1235 break; 1236 1237 /* wlan switch */ 1238 case 0x0124: 1239 case 0x0135: 1240 /* events on this handle are reported when the 1241 * switch changes position or for battery 1242 * events. We'll notify both of them but only 1243 * update the rfkill device status when the 1244 * switch is moved. 1245 */ 1246 ev_type = KILLSWITCH; 1247 sony_call_snc_handle(handle, 0x0100, &result); 1248 real_ev = result & 0x03; 1249 1250 /* hw switch event */ 1251 if (real_ev == 1) 1252 sony_nc_rfkill_update(); 1253 1254 break; 1255 1256 case 0x0128: 1257 case 0x0146: 1258 /* Hybrid GFX switching */ 1259 sony_call_snc_handle(handle, 0x0000, &result); 1260 dprintk("GFX switch event received (reason: %s)\n", 1261 (result == 0x1) ? "switch change" : 1262 (result == 0x2) ? "output switch" : 1263 (result == 0x3) ? "output switch" : 1264 ""); 1265 1266 ev_type = GFX_SWITCH; 1267 real_ev = __sony_nc_gfx_switch_status_get(); 1268 break; 1269 1270 case 0x015B: 1271 /* Hybrid GFX switching SVS151290S */ 1272 ev_type = GFX_SWITCH; 1273 real_ev = __sony_nc_gfx_switch_status_get(); 1274 break; 1275 default: 1276 dprintk("Unknown event 0x%x for handle 0x%x\n", 1277 event, handle); 1278 break; 1279 } 1280 1281 /* clear the event (and the event reason when present) */ 1282 arg = 1 << offset; 1283 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1284 1285 } else { 1286 /* old style event */ 1287 ev_type = HOTKEY; 1288 sony_laptop_report_input_event(real_ev); 1289 } 1290 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1291 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1292 } 1293 1294 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1295 void *context, void **return_value) 1296 { 1297 struct acpi_device_info *info; 1298 1299 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1300 pr_warn("method: name: %4.4s, args %X\n", 1301 (char *)&info->name, info->param_count); 1302 1303 kfree(info); 1304 } 1305 1306 return AE_OK; 1307 } 1308 1309 /* 1310 * ACPI device 1311 */ 1312 static void sony_nc_function_setup(struct acpi_device *device, 1313 struct platform_device *pf_device) 1314 { 1315 unsigned int i, result, bitmask, arg; 1316 1317 if (!handles) 1318 return; 1319 1320 /* setup found handles here */ 1321 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1322 unsigned int handle = handles->cap[i]; 1323 1324 if (!handle) 1325 continue; 1326 1327 dprintk("setting up handle 0x%.4x\n", handle); 1328 1329 switch (handle) { 1330 case 0x0100: 1331 case 0x0101: 1332 case 0x0127: 1333 /* setup hotkeys */ 1334 sony_call_snc_handle(handle, 0, &result); 1335 break; 1336 case 0x0102: 1337 /* setup hotkeys */ 1338 sony_call_snc_handle(handle, 0x100, &result); 1339 break; 1340 case 0x0105: 1341 case 0x0148: 1342 /* touchpad enable/disable */ 1343 result = sony_nc_touchpad_setup(pf_device, handle); 1344 if (result) 1345 pr_err("couldn't set up touchpad control function (%d)\n", 1346 result); 1347 break; 1348 case 0x0115: 1349 case 0x0136: 1350 case 0x013f: 1351 result = sony_nc_battery_care_setup(pf_device, handle); 1352 if (result) 1353 pr_err("couldn't set up battery care function (%d)\n", 1354 result); 1355 break; 1356 case 0x0119: 1357 case 0x015D: 1358 result = sony_nc_lid_resume_setup(pf_device, handle); 1359 if (result) 1360 pr_err("couldn't set up lid resume function (%d)\n", 1361 result); 1362 break; 1363 case 0x0122: 1364 result = sony_nc_thermal_setup(pf_device); 1365 if (result) 1366 pr_err("couldn't set up thermal profile function (%d)\n", 1367 result); 1368 break; 1369 case 0x0128: 1370 case 0x0146: 1371 case 0x015B: 1372 result = sony_nc_gfx_switch_setup(pf_device, handle); 1373 if (result) 1374 pr_err("couldn't set up GFX Switch status (%d)\n", 1375 result); 1376 break; 1377 case 0x0131: 1378 result = sony_nc_highspeed_charging_setup(pf_device); 1379 if (result) 1380 pr_err("couldn't set up high speed charging function (%d)\n", 1381 result); 1382 break; 1383 case 0x0124: 1384 case 0x0135: 1385 result = sony_nc_rfkill_setup(device, handle); 1386 if (result) 1387 pr_err("couldn't set up rfkill support (%d)\n", 1388 result); 1389 break; 1390 case 0x0137: 1391 case 0x0143: 1392 case 0x014b: 1393 case 0x014c: 1394 case 0x0163: 1395 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1396 if (result) 1397 pr_err("couldn't set up keyboard backlight function (%d)\n", 1398 result); 1399 break; 1400 case 0x0121: 1401 result = sony_nc_lowbatt_setup(pf_device); 1402 if (result) 1403 pr_err("couldn't set up low battery function (%d)\n", 1404 result); 1405 break; 1406 case 0x0149: 1407 result = sony_nc_fanspeed_setup(pf_device); 1408 if (result) 1409 pr_err("couldn't set up fan speed function (%d)\n", 1410 result); 1411 break; 1412 case 0x0155: 1413 result = sony_nc_usb_charge_setup(pf_device); 1414 if (result) 1415 pr_err("couldn't set up USB charge support (%d)\n", 1416 result); 1417 break; 1418 case 0x011D: 1419 result = sony_nc_panelid_setup(pf_device); 1420 if (result) 1421 pr_err("couldn't set up panel ID function (%d)\n", 1422 result); 1423 break; 1424 case 0x0168: 1425 result = sony_nc_smart_conn_setup(pf_device); 1426 if (result) 1427 pr_err("couldn't set up smart connect support (%d)\n", 1428 result); 1429 break; 1430 default: 1431 continue; 1432 } 1433 } 1434 1435 /* Enable all events */ 1436 arg = 0x10; 1437 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1438 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1439 &result); 1440 } 1441 1442 static void sony_nc_function_cleanup(struct platform_device *pd) 1443 { 1444 unsigned int i, result, bitmask, handle; 1445 1446 /* get enabled events and disable them */ 1447 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1448 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1449 1450 /* cleanup handles here */ 1451 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1452 1453 handle = handles->cap[i]; 1454 1455 if (!handle) 1456 continue; 1457 1458 switch (handle) { 1459 case 0x0105: 1460 case 0x0148: 1461 sony_nc_touchpad_cleanup(pd); 1462 break; 1463 case 0x0115: 1464 case 0x0136: 1465 case 0x013f: 1466 sony_nc_battery_care_cleanup(pd); 1467 break; 1468 case 0x0119: 1469 case 0x015D: 1470 sony_nc_lid_resume_cleanup(pd); 1471 break; 1472 case 0x0122: 1473 sony_nc_thermal_cleanup(pd); 1474 break; 1475 case 0x0128: 1476 case 0x0146: 1477 case 0x015B: 1478 sony_nc_gfx_switch_cleanup(pd); 1479 break; 1480 case 0x0131: 1481 sony_nc_highspeed_charging_cleanup(pd); 1482 break; 1483 case 0x0124: 1484 case 0x0135: 1485 sony_nc_rfkill_cleanup(); 1486 break; 1487 case 0x0137: 1488 case 0x0143: 1489 case 0x014b: 1490 case 0x014c: 1491 case 0x0163: 1492 sony_nc_kbd_backlight_cleanup(pd, handle); 1493 break; 1494 case 0x0121: 1495 sony_nc_lowbatt_cleanup(pd); 1496 break; 1497 case 0x0149: 1498 sony_nc_fanspeed_cleanup(pd); 1499 break; 1500 case 0x0155: 1501 sony_nc_usb_charge_cleanup(pd); 1502 break; 1503 case 0x011D: 1504 sony_nc_panelid_cleanup(pd); 1505 break; 1506 case 0x0168: 1507 sony_nc_smart_conn_cleanup(pd); 1508 break; 1509 default: 1510 continue; 1511 } 1512 } 1513 1514 /* finally cleanup the handles list */ 1515 sony_nc_handles_cleanup(pd); 1516 } 1517 1518 #ifdef CONFIG_PM_SLEEP 1519 static void sony_nc_function_resume(void) 1520 { 1521 unsigned int i, result, bitmask, arg; 1522 1523 dprintk("Resuming SNC device\n"); 1524 1525 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1526 unsigned int handle = handles->cap[i]; 1527 1528 if (!handle) 1529 continue; 1530 1531 switch (handle) { 1532 case 0x0100: 1533 case 0x0101: 1534 case 0x0127: 1535 /* re-enable hotkeys */ 1536 sony_call_snc_handle(handle, 0, &result); 1537 break; 1538 case 0x0102: 1539 /* re-enable hotkeys */ 1540 sony_call_snc_handle(handle, 0x100, &result); 1541 break; 1542 case 0x0122: 1543 sony_nc_thermal_resume(); 1544 break; 1545 case 0x0124: 1546 case 0x0135: 1547 sony_nc_rfkill_update(); 1548 break; 1549 default: 1550 continue; 1551 } 1552 } 1553 1554 /* Enable all events */ 1555 arg = 0x10; 1556 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1557 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1558 &result); 1559 } 1560 1561 static int sony_nc_resume(struct device *dev) 1562 { 1563 struct sony_nc_value *item; 1564 1565 for (item = sony_nc_values; item->name; item++) { 1566 int ret; 1567 1568 if (!item->valid) 1569 continue; 1570 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1571 &item->value, NULL); 1572 if (ret < 0) { 1573 pr_err("%s: %d\n", __func__, ret); 1574 break; 1575 } 1576 } 1577 1578 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1579 int arg = 1; 1580 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1581 dprintk("ECON Method failed\n"); 1582 } 1583 1584 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1585 sony_nc_function_resume(); 1586 1587 return 0; 1588 } 1589 #endif 1590 1591 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1592 1593 static void sony_nc_rfkill_cleanup(void) 1594 { 1595 int i; 1596 1597 for (i = 0; i < N_SONY_RFKILL; i++) { 1598 if (sony_rfkill_devices[i]) { 1599 rfkill_unregister(sony_rfkill_devices[i]); 1600 rfkill_destroy(sony_rfkill_devices[i]); 1601 } 1602 } 1603 } 1604 1605 static int sony_nc_rfkill_set(void *data, bool blocked) 1606 { 1607 int result; 1608 int argument = sony_rfkill_address[(long) data] + 0x100; 1609 1610 if (!blocked) 1611 argument |= 0x070000; 1612 1613 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1614 } 1615 1616 static const struct rfkill_ops sony_rfkill_ops = { 1617 .set_block = sony_nc_rfkill_set, 1618 }; 1619 1620 static int sony_nc_setup_rfkill(struct acpi_device *device, 1621 enum sony_nc_rfkill nc_type) 1622 { 1623 int err = 0; 1624 struct rfkill *rfk; 1625 enum rfkill_type type; 1626 const char *name; 1627 int result; 1628 bool hwblock, swblock; 1629 1630 switch (nc_type) { 1631 case SONY_WIFI: 1632 type = RFKILL_TYPE_WLAN; 1633 name = "sony-wifi"; 1634 break; 1635 case SONY_BLUETOOTH: 1636 type = RFKILL_TYPE_BLUETOOTH; 1637 name = "sony-bluetooth"; 1638 break; 1639 case SONY_WWAN: 1640 type = RFKILL_TYPE_WWAN; 1641 name = "sony-wwan"; 1642 break; 1643 case SONY_WIMAX: 1644 type = RFKILL_TYPE_WIMAX; 1645 name = "sony-wimax"; 1646 break; 1647 default: 1648 return -EINVAL; 1649 } 1650 1651 rfk = rfkill_alloc(name, &device->dev, type, 1652 &sony_rfkill_ops, (void *)nc_type); 1653 if (!rfk) 1654 return -ENOMEM; 1655 1656 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1657 rfkill_destroy(rfk); 1658 return -1; 1659 } 1660 hwblock = !(result & 0x1); 1661 1662 if (sony_call_snc_handle(sony_rfkill_handle, 1663 sony_rfkill_address[nc_type], 1664 &result) < 0) { 1665 rfkill_destroy(rfk); 1666 return -1; 1667 } 1668 swblock = !(result & 0x2); 1669 1670 rfkill_init_sw_state(rfk, swblock); 1671 rfkill_set_hw_state(rfk, hwblock); 1672 1673 err = rfkill_register(rfk); 1674 if (err) { 1675 rfkill_destroy(rfk); 1676 return err; 1677 } 1678 sony_rfkill_devices[nc_type] = rfk; 1679 return err; 1680 } 1681 1682 static void sony_nc_rfkill_update(void) 1683 { 1684 enum sony_nc_rfkill i; 1685 int result; 1686 bool hwblock; 1687 1688 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1689 hwblock = !(result & 0x1); 1690 1691 for (i = 0; i < N_SONY_RFKILL; i++) { 1692 int argument = sony_rfkill_address[i]; 1693 1694 if (!sony_rfkill_devices[i]) 1695 continue; 1696 1697 if (hwblock) { 1698 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1699 /* we already know we're blocked */ 1700 } 1701 continue; 1702 } 1703 1704 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1705 rfkill_set_states(sony_rfkill_devices[i], 1706 !(result & 0x2), false); 1707 } 1708 } 1709 1710 static int sony_nc_rfkill_setup(struct acpi_device *device, 1711 unsigned int handle) 1712 { 1713 u64 offset; 1714 int i; 1715 unsigned char buffer[32] = { 0 }; 1716 1717 offset = sony_find_snc_handle(handle); 1718 sony_rfkill_handle = handle; 1719 1720 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1721 32); 1722 if (i < 0) 1723 return i; 1724 1725 /* The buffer is filled with magic numbers describing the devices 1726 * available, 0xff terminates the enumeration. 1727 * Known codes: 1728 * 0x00 WLAN 1729 * 0x10 BLUETOOTH 1730 * 0x20 WWAN GPRS-EDGE 1731 * 0x21 WWAN HSDPA 1732 * 0x22 WWAN EV-DO 1733 * 0x23 WWAN GPS 1734 * 0x25 Gobi WWAN no GPS 1735 * 0x26 Gobi WWAN + GPS 1736 * 0x28 Gobi WWAN no GPS 1737 * 0x29 Gobi WWAN + GPS 1738 * 0x30 WIMAX 1739 * 0x50 Gobi WWAN no GPS 1740 * 0x51 Gobi WWAN + GPS 1741 * 0x70 no SIM card slot 1742 * 0x71 SIM card slot 1743 */ 1744 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1745 1746 if (buffer[i] == 0xff) 1747 break; 1748 1749 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1750 1751 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1752 sony_nc_setup_rfkill(device, SONY_WIFI); 1753 1754 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1755 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1756 1757 if (((0xf0 & buffer[i]) == 0x20 || 1758 (0xf0 & buffer[i]) == 0x50) && 1759 !sony_rfkill_devices[SONY_WWAN]) 1760 sony_nc_setup_rfkill(device, SONY_WWAN); 1761 1762 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1763 sony_nc_setup_rfkill(device, SONY_WIMAX); 1764 } 1765 return 0; 1766 } 1767 1768 /* Keyboard backlight feature */ 1769 struct kbd_backlight { 1770 unsigned int handle; 1771 unsigned int base; 1772 unsigned int mode; 1773 unsigned int timeout; 1774 struct device_attribute mode_attr; 1775 struct device_attribute timeout_attr; 1776 }; 1777 1778 static struct kbd_backlight *kbdbl_ctl; 1779 1780 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1781 { 1782 int result; 1783 1784 if (value > 2) 1785 return -EINVAL; 1786 1787 if (sony_call_snc_handle(kbdbl_ctl->handle, 1788 (value << 0x10) | (kbdbl_ctl->base), &result)) 1789 return -EIO; 1790 1791 /* Try to turn the light on/off immediately */ 1792 if (value != 1) 1793 sony_call_snc_handle(kbdbl_ctl->handle, 1794 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1795 &result); 1796 1797 kbdbl_ctl->mode = value; 1798 1799 return 0; 1800 } 1801 1802 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1803 struct device_attribute *attr, 1804 const char *buffer, size_t count) 1805 { 1806 int ret = 0; 1807 unsigned long value; 1808 1809 if (count > 31) 1810 return -EINVAL; 1811 1812 if (kstrtoul(buffer, 10, &value)) 1813 return -EINVAL; 1814 1815 ret = __sony_nc_kbd_backlight_mode_set(value); 1816 if (ret < 0) 1817 return ret; 1818 1819 return count; 1820 } 1821 1822 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1823 struct device_attribute *attr, char *buffer) 1824 { 1825 ssize_t count = 0; 1826 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1827 return count; 1828 } 1829 1830 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1831 { 1832 int result; 1833 1834 if (value > 3) 1835 return -EINVAL; 1836 1837 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1838 (kbdbl_ctl->base + 0x200), &result)) 1839 return -EIO; 1840 1841 kbdbl_ctl->timeout = value; 1842 1843 return 0; 1844 } 1845 1846 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1847 struct device_attribute *attr, 1848 const char *buffer, size_t count) 1849 { 1850 int ret = 0; 1851 unsigned long value; 1852 1853 if (count > 31) 1854 return -EINVAL; 1855 1856 if (kstrtoul(buffer, 10, &value)) 1857 return -EINVAL; 1858 1859 ret = __sony_nc_kbd_backlight_timeout_set(value); 1860 if (ret < 0) 1861 return ret; 1862 1863 return count; 1864 } 1865 1866 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1867 struct device_attribute *attr, char *buffer) 1868 { 1869 ssize_t count = 0; 1870 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1871 return count; 1872 } 1873 1874 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1875 unsigned int handle) 1876 { 1877 int result; 1878 int ret = 0; 1879 1880 if (kbdbl_ctl) { 1881 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1882 handle, kbdbl_ctl->handle); 1883 return -EBUSY; 1884 } 1885 1886 /* verify the kbd backlight presence, these handles are not used for 1887 * keyboard backlight only 1888 */ 1889 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, 1890 &result); 1891 if (ret) 1892 return ret; 1893 1894 if ((handle == 0x0137 && !(result & 0x02)) || 1895 !(result & 0x01)) { 1896 dprintk("no backlight keyboard found\n"); 1897 return 0; 1898 } 1899 1900 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1901 if (!kbdbl_ctl) 1902 return -ENOMEM; 1903 1904 kbdbl_ctl->mode = kbd_backlight; 1905 kbdbl_ctl->timeout = kbd_backlight_timeout; 1906 kbdbl_ctl->handle = handle; 1907 if (handle == 0x0137) 1908 kbdbl_ctl->base = 0x0C00; 1909 else 1910 kbdbl_ctl->base = 0x4000; 1911 1912 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1913 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1914 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1915 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1916 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1917 1918 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1919 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1920 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1921 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; 1922 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; 1923 1924 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1925 if (ret) 1926 goto outkzalloc; 1927 1928 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1929 if (ret) 1930 goto outmode; 1931 1932 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1933 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1934 1935 return 0; 1936 1937 outmode: 1938 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1939 outkzalloc: 1940 kfree(kbdbl_ctl); 1941 kbdbl_ctl = NULL; 1942 return ret; 1943 } 1944 1945 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1946 unsigned int handle) 1947 { 1948 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1949 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1950 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1951 kfree(kbdbl_ctl); 1952 kbdbl_ctl = NULL; 1953 } 1954 } 1955 1956 struct battery_care_control { 1957 struct device_attribute attrs[2]; 1958 unsigned int handle; 1959 }; 1960 static struct battery_care_control *bcare_ctl; 1961 1962 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1963 struct device_attribute *attr, 1964 const char *buffer, size_t count) 1965 { 1966 unsigned int result, cmd; 1967 unsigned long value; 1968 1969 if (count > 31) 1970 return -EINVAL; 1971 1972 if (kstrtoul(buffer, 10, &value)) 1973 return -EINVAL; 1974 1975 /* limit values (2 bits): 1976 * 00 - none 1977 * 01 - 80% 1978 * 10 - 50% 1979 * 11 - 100% 1980 * 1981 * bit 0: 0 disable BCL, 1 enable BCL 1982 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 1983 * bits 2,3: reserved 1984 * bits 4,5: store the limit into the EC 1985 * bits 6,7: store the limit into the battery 1986 */ 1987 cmd = 0; 1988 1989 if (value > 0) { 1990 if (value <= 50) 1991 cmd = 0x20; 1992 1993 else if (value <= 80) 1994 cmd = 0x10; 1995 1996 else if (value <= 100) 1997 cmd = 0x30; 1998 1999 else 2000 return -EINVAL; 2001 2002 /* 2003 * handle 0x0115 should allow storing on battery too; 2004 * handle 0x0136 same as 0x0115 + health status; 2005 * handle 0x013f, same as 0x0136 but no storing on the battery 2006 */ 2007 if (bcare_ctl->handle != 0x013f) 2008 cmd = cmd | (cmd << 2); 2009 2010 cmd = (cmd | 0x1) << 0x10; 2011 } 2012 2013 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2014 return -EIO; 2015 2016 return count; 2017 } 2018 2019 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2020 struct device_attribute *attr, char *buffer) 2021 { 2022 unsigned int result, status; 2023 2024 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2025 return -EIO; 2026 2027 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2028 switch (status) { 2029 case 1: 2030 status = 80; 2031 break; 2032 case 2: 2033 status = 50; 2034 break; 2035 case 3: 2036 status = 100; 2037 break; 2038 default: 2039 status = 0; 2040 break; 2041 } 2042 2043 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2044 } 2045 2046 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2047 struct device_attribute *attr, char *buffer) 2048 { 2049 ssize_t count = 0; 2050 unsigned int health; 2051 2052 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2053 return -EIO; 2054 2055 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2056 2057 return count; 2058 } 2059 2060 static int sony_nc_battery_care_setup(struct platform_device *pd, 2061 unsigned int handle) 2062 { 2063 int ret = 0; 2064 2065 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2066 if (!bcare_ctl) 2067 return -ENOMEM; 2068 2069 bcare_ctl->handle = handle; 2070 2071 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2072 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2073 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2074 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2075 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2076 2077 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2078 if (ret) 2079 goto outkzalloc; 2080 2081 /* 0x0115 is for models with no health reporting capability */ 2082 if (handle == 0x0115) 2083 return 0; 2084 2085 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2086 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2087 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2088 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2089 2090 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2091 if (ret) 2092 goto outlimiter; 2093 2094 return 0; 2095 2096 outlimiter: 2097 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2098 2099 outkzalloc: 2100 kfree(bcare_ctl); 2101 bcare_ctl = NULL; 2102 2103 return ret; 2104 } 2105 2106 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2107 { 2108 if (bcare_ctl) { 2109 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2110 if (bcare_ctl->handle != 0x0115) 2111 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2112 2113 kfree(bcare_ctl); 2114 bcare_ctl = NULL; 2115 } 2116 } 2117 2118 struct snc_thermal_ctrl { 2119 unsigned int mode; 2120 unsigned int profiles; 2121 struct device_attribute mode_attr; 2122 struct device_attribute profiles_attr; 2123 }; 2124 static struct snc_thermal_ctrl *th_handle; 2125 2126 #define THM_PROFILE_MAX 3 2127 static const char * const snc_thermal_profiles[] = { 2128 "balanced", 2129 "silent", 2130 "performance" 2131 }; 2132 2133 static int sony_nc_thermal_mode_set(unsigned short mode) 2134 { 2135 unsigned int result; 2136 2137 /* the thermal profile seems to be a two bit bitmask: 2138 * lsb -> silent 2139 * msb -> performance 2140 * no bit set is the normal operation and is always valid 2141 * Some vaio models only have "balanced" and "performance" 2142 */ 2143 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2144 return -EINVAL; 2145 2146 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2147 return -EIO; 2148 2149 th_handle->mode = mode; 2150 2151 return 0; 2152 } 2153 2154 static int sony_nc_thermal_mode_get(void) 2155 { 2156 unsigned int result; 2157 2158 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2159 return -EIO; 2160 2161 return result & 0xff; 2162 } 2163 2164 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2165 struct device_attribute *attr, char *buffer) 2166 { 2167 short cnt; 2168 size_t idx = 0; 2169 2170 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2171 if (!cnt || (th_handle->profiles & cnt)) 2172 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2173 snc_thermal_profiles[cnt]); 2174 } 2175 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2176 2177 return idx; 2178 } 2179 2180 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2181 struct device_attribute *attr, 2182 const char *buffer, size_t count) 2183 { 2184 unsigned short cmd; 2185 size_t len = count; 2186 2187 if (count == 0) 2188 return -EINVAL; 2189 2190 /* skip the newline if present */ 2191 if (buffer[len - 1] == '\n') 2192 len--; 2193 2194 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2195 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2196 break; 2197 2198 if (sony_nc_thermal_mode_set(cmd)) 2199 return -EIO; 2200 2201 return count; 2202 } 2203 2204 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2205 struct device_attribute *attr, char *buffer) 2206 { 2207 ssize_t count = 0; 2208 int mode = sony_nc_thermal_mode_get(); 2209 2210 if (mode < 0) 2211 return mode; 2212 2213 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2214 2215 return count; 2216 } 2217 2218 static int sony_nc_thermal_setup(struct platform_device *pd) 2219 { 2220 int ret = 0; 2221 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2222 if (!th_handle) 2223 return -ENOMEM; 2224 2225 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2226 if (ret) { 2227 pr_warn("couldn't to read the thermal profiles\n"); 2228 goto outkzalloc; 2229 } 2230 2231 ret = sony_nc_thermal_mode_get(); 2232 if (ret < 0) { 2233 pr_warn("couldn't to read the current thermal profile"); 2234 goto outkzalloc; 2235 } 2236 th_handle->mode = ret; 2237 2238 sysfs_attr_init(&th_handle->profiles_attr.attr); 2239 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2240 th_handle->profiles_attr.attr.mode = S_IRUGO; 2241 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2242 2243 sysfs_attr_init(&th_handle->mode_attr.attr); 2244 th_handle->mode_attr.attr.name = "thermal_control"; 2245 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2246 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2247 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2248 2249 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2250 if (ret) 2251 goto outkzalloc; 2252 2253 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2254 if (ret) 2255 goto outprofiles; 2256 2257 return 0; 2258 2259 outprofiles: 2260 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2261 outkzalloc: 2262 kfree(th_handle); 2263 th_handle = NULL; 2264 return ret; 2265 } 2266 2267 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2268 { 2269 if (th_handle) { 2270 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2271 device_remove_file(&pd->dev, &th_handle->mode_attr); 2272 kfree(th_handle); 2273 th_handle = NULL; 2274 } 2275 } 2276 2277 #ifdef CONFIG_PM_SLEEP 2278 static void sony_nc_thermal_resume(void) 2279 { 2280 unsigned int status = sony_nc_thermal_mode_get(); 2281 2282 if (status != th_handle->mode) 2283 sony_nc_thermal_mode_set(th_handle->mode); 2284 } 2285 #endif 2286 2287 /* resume on LID open */ 2288 #define LID_RESUME_S5 0 2289 #define LID_RESUME_S4 1 2290 #define LID_RESUME_S3 2 2291 #define LID_RESUME_MAX 3 2292 struct snc_lid_resume_control { 2293 struct device_attribute attrs[LID_RESUME_MAX]; 2294 unsigned int status; 2295 int handle; 2296 }; 2297 static struct snc_lid_resume_control *lid_ctl; 2298 2299 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2300 struct device_attribute *attr, 2301 const char *buffer, size_t count) 2302 { 2303 unsigned int result; 2304 unsigned long value; 2305 unsigned int pos = LID_RESUME_S5; 2306 if (count > 31) 2307 return -EINVAL; 2308 2309 if (kstrtoul(buffer, 10, &value) || value > 1) 2310 return -EINVAL; 2311 2312 /* the value we have to write to SNC is a bitmask: 2313 * +--------------+ 2314 * | S3 | S4 | S5 | 2315 * +--------------+ 2316 * 2 1 0 2317 */ 2318 while (pos < LID_RESUME_MAX) { 2319 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2320 break; 2321 pos++; 2322 } 2323 if (pos == LID_RESUME_MAX) 2324 return -EINVAL; 2325 2326 if (value) 2327 value = lid_ctl->status | (1 << pos); 2328 else 2329 value = lid_ctl->status & ~(1 << pos); 2330 2331 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2332 &result)) 2333 return -EIO; 2334 2335 lid_ctl->status = value; 2336 2337 return count; 2338 } 2339 2340 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2341 struct device_attribute *attr, 2342 char *buffer) 2343 { 2344 unsigned int pos = LID_RESUME_S5; 2345 2346 while (pos < LID_RESUME_MAX) { 2347 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2348 return snprintf(buffer, PAGE_SIZE, "%d\n", 2349 (lid_ctl->status >> pos) & 0x01); 2350 pos++; 2351 } 2352 return -EINVAL; 2353 } 2354 2355 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2356 unsigned int handle) 2357 { 2358 unsigned int result; 2359 int i; 2360 2361 if (sony_call_snc_handle(handle, 0x0000, &result)) 2362 return -EIO; 2363 2364 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2365 if (!lid_ctl) 2366 return -ENOMEM; 2367 2368 lid_ctl->status = result & 0x7; 2369 lid_ctl->handle = handle; 2370 2371 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2372 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2373 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2374 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2375 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2376 2377 if (handle == 0x0119) { 2378 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2379 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2380 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2381 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2382 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2383 2384 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2385 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2386 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2387 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2388 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2389 } 2390 for (i = 0; i < LID_RESUME_MAX && 2391 lid_ctl->attrs[i].attr.name; i++) { 2392 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2393 if (result) 2394 goto liderror; 2395 } 2396 2397 return 0; 2398 2399 liderror: 2400 for (i--; i >= 0; i--) 2401 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2402 2403 kfree(lid_ctl); 2404 lid_ctl = NULL; 2405 2406 return result; 2407 } 2408 2409 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2410 { 2411 int i; 2412 2413 if (lid_ctl) { 2414 for (i = 0; i < LID_RESUME_MAX; i++) { 2415 if (!lid_ctl->attrs[i].attr.name) 2416 break; 2417 2418 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2419 } 2420 2421 kfree(lid_ctl); 2422 lid_ctl = NULL; 2423 } 2424 } 2425 2426 /* GFX Switch position */ 2427 enum gfx_switch { 2428 SPEED, 2429 STAMINA, 2430 AUTO 2431 }; 2432 struct snc_gfx_switch_control { 2433 struct device_attribute attr; 2434 unsigned int handle; 2435 }; 2436 static struct snc_gfx_switch_control *gfxs_ctl; 2437 2438 /* returns 0 for speed, 1 for stamina */ 2439 static int __sony_nc_gfx_switch_status_get(void) 2440 { 2441 unsigned int result; 2442 2443 if (sony_call_snc_handle(gfxs_ctl->handle, 2444 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2445 &result)) 2446 return -EIO; 2447 2448 switch (gfxs_ctl->handle) { 2449 case 0x0146: 2450 /* 1: discrete GFX (speed) 2451 * 0: integrated GFX (stamina) 2452 */ 2453 return result & 0x1 ? SPEED : STAMINA; 2454 break; 2455 case 0x015B: 2456 /* 0: discrete GFX (speed) 2457 * 1: integrated GFX (stamina) 2458 */ 2459 return result & 0x1 ? STAMINA : SPEED; 2460 break; 2461 case 0x0128: 2462 /* it's a more elaborated bitmask, for now: 2463 * 2: integrated GFX (stamina) 2464 * 0: discrete GFX (speed) 2465 */ 2466 dprintk("GFX Status: 0x%x\n", result); 2467 return result & 0x80 ? AUTO : 2468 result & 0x02 ? STAMINA : SPEED; 2469 break; 2470 } 2471 return -EINVAL; 2472 } 2473 2474 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2475 struct device_attribute *attr, 2476 char *buffer) 2477 { 2478 int pos = __sony_nc_gfx_switch_status_get(); 2479 2480 if (pos < 0) 2481 return pos; 2482 2483 return snprintf(buffer, PAGE_SIZE, "%s\n", 2484 pos == SPEED ? "speed" : 2485 pos == STAMINA ? "stamina" : 2486 pos == AUTO ? "auto" : "unknown"); 2487 } 2488 2489 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2490 unsigned int handle) 2491 { 2492 unsigned int result; 2493 2494 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2495 if (!gfxs_ctl) 2496 return -ENOMEM; 2497 2498 gfxs_ctl->handle = handle; 2499 2500 sysfs_attr_init(&gfxs_ctl->attr.attr); 2501 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2502 gfxs_ctl->attr.attr.mode = S_IRUGO; 2503 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2504 2505 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2506 if (result) 2507 goto gfxerror; 2508 2509 return 0; 2510 2511 gfxerror: 2512 kfree(gfxs_ctl); 2513 gfxs_ctl = NULL; 2514 2515 return result; 2516 } 2517 2518 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2519 { 2520 if (gfxs_ctl) { 2521 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2522 2523 kfree(gfxs_ctl); 2524 gfxs_ctl = NULL; 2525 } 2526 } 2527 2528 /* High speed charging function */ 2529 static struct device_attribute *hsc_handle; 2530 2531 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2532 struct device_attribute *attr, 2533 const char *buffer, size_t count) 2534 { 2535 unsigned int result; 2536 unsigned long value; 2537 2538 if (count > 31) 2539 return -EINVAL; 2540 2541 if (kstrtoul(buffer, 10, &value) || value > 1) 2542 return -EINVAL; 2543 2544 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2545 return -EIO; 2546 2547 return count; 2548 } 2549 2550 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2551 struct device_attribute *attr, char *buffer) 2552 { 2553 unsigned int result; 2554 2555 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2556 return -EIO; 2557 2558 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2559 } 2560 2561 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2562 { 2563 unsigned int result; 2564 2565 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2566 /* some models advertise the handle but have no implementation 2567 * for it 2568 */ 2569 pr_info("No High Speed Charging capability found\n"); 2570 return 0; 2571 } 2572 2573 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2574 if (!hsc_handle) 2575 return -ENOMEM; 2576 2577 sysfs_attr_init(&hsc_handle->attr); 2578 hsc_handle->attr.name = "battery_highspeed_charging"; 2579 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2580 hsc_handle->show = sony_nc_highspeed_charging_show; 2581 hsc_handle->store = sony_nc_highspeed_charging_store; 2582 2583 result = device_create_file(&pd->dev, hsc_handle); 2584 if (result) { 2585 kfree(hsc_handle); 2586 hsc_handle = NULL; 2587 return result; 2588 } 2589 2590 return 0; 2591 } 2592 2593 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2594 { 2595 if (hsc_handle) { 2596 device_remove_file(&pd->dev, hsc_handle); 2597 kfree(hsc_handle); 2598 hsc_handle = NULL; 2599 } 2600 } 2601 2602 /* low battery function */ 2603 static struct device_attribute *lowbatt_handle; 2604 2605 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2606 struct device_attribute *attr, 2607 const char *buffer, size_t count) 2608 { 2609 unsigned int result; 2610 unsigned long value; 2611 2612 if (count > 31) 2613 return -EINVAL; 2614 2615 if (kstrtoul(buffer, 10, &value) || value > 1) 2616 return -EINVAL; 2617 2618 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2619 return -EIO; 2620 2621 return count; 2622 } 2623 2624 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2625 struct device_attribute *attr, char *buffer) 2626 { 2627 unsigned int result; 2628 2629 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2630 return -EIO; 2631 2632 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2633 } 2634 2635 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2636 { 2637 unsigned int result; 2638 2639 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2640 if (!lowbatt_handle) 2641 return -ENOMEM; 2642 2643 sysfs_attr_init(&lowbatt_handle->attr); 2644 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2645 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2646 lowbatt_handle->show = sony_nc_lowbatt_show; 2647 lowbatt_handle->store = sony_nc_lowbatt_store; 2648 2649 result = device_create_file(&pd->dev, lowbatt_handle); 2650 if (result) { 2651 kfree(lowbatt_handle); 2652 lowbatt_handle = NULL; 2653 return result; 2654 } 2655 2656 return 0; 2657 } 2658 2659 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2660 { 2661 if (lowbatt_handle) { 2662 device_remove_file(&pd->dev, lowbatt_handle); 2663 kfree(lowbatt_handle); 2664 lowbatt_handle = NULL; 2665 } 2666 } 2667 2668 /* fan speed function */ 2669 static struct device_attribute *fan_handle, *hsf_handle; 2670 2671 static ssize_t sony_nc_hsfan_store(struct device *dev, 2672 struct device_attribute *attr, 2673 const char *buffer, size_t count) 2674 { 2675 unsigned int result; 2676 unsigned long value; 2677 2678 if (count > 31) 2679 return -EINVAL; 2680 2681 if (kstrtoul(buffer, 10, &value) || value > 1) 2682 return -EINVAL; 2683 2684 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2685 return -EIO; 2686 2687 return count; 2688 } 2689 2690 static ssize_t sony_nc_hsfan_show(struct device *dev, 2691 struct device_attribute *attr, char *buffer) 2692 { 2693 unsigned int result; 2694 2695 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2696 return -EIO; 2697 2698 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2699 } 2700 2701 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2702 struct device_attribute *attr, char *buffer) 2703 { 2704 unsigned int result; 2705 2706 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2707 return -EIO; 2708 2709 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2710 } 2711 2712 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2713 { 2714 unsigned int result; 2715 2716 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2717 if (!fan_handle) 2718 return -ENOMEM; 2719 2720 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2721 if (!hsf_handle) { 2722 result = -ENOMEM; 2723 goto out_hsf_handle_alloc; 2724 } 2725 2726 sysfs_attr_init(&fan_handle->attr); 2727 fan_handle->attr.name = "fanspeed"; 2728 fan_handle->attr.mode = S_IRUGO; 2729 fan_handle->show = sony_nc_fanspeed_show; 2730 fan_handle->store = NULL; 2731 2732 sysfs_attr_init(&hsf_handle->attr); 2733 hsf_handle->attr.name = "fan_forced"; 2734 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2735 hsf_handle->show = sony_nc_hsfan_show; 2736 hsf_handle->store = sony_nc_hsfan_store; 2737 2738 result = device_create_file(&pd->dev, fan_handle); 2739 if (result) 2740 goto out_fan_handle; 2741 2742 result = device_create_file(&pd->dev, hsf_handle); 2743 if (result) 2744 goto out_hsf_handle; 2745 2746 return 0; 2747 2748 out_hsf_handle: 2749 device_remove_file(&pd->dev, fan_handle); 2750 2751 out_fan_handle: 2752 kfree(hsf_handle); 2753 hsf_handle = NULL; 2754 2755 out_hsf_handle_alloc: 2756 kfree(fan_handle); 2757 fan_handle = NULL; 2758 return result; 2759 } 2760 2761 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2762 { 2763 if (fan_handle) { 2764 device_remove_file(&pd->dev, fan_handle); 2765 kfree(fan_handle); 2766 fan_handle = NULL; 2767 } 2768 if (hsf_handle) { 2769 device_remove_file(&pd->dev, hsf_handle); 2770 kfree(hsf_handle); 2771 hsf_handle = NULL; 2772 } 2773 } 2774 2775 /* USB charge function */ 2776 static struct device_attribute *uc_handle; 2777 2778 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2779 struct device_attribute *attr, 2780 const char *buffer, size_t count) 2781 { 2782 unsigned int result; 2783 unsigned long value; 2784 2785 if (count > 31) 2786 return -EINVAL; 2787 2788 if (kstrtoul(buffer, 10, &value) || value > 1) 2789 return -EINVAL; 2790 2791 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2792 return -EIO; 2793 2794 return count; 2795 } 2796 2797 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2798 struct device_attribute *attr, char *buffer) 2799 { 2800 unsigned int result; 2801 2802 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2803 return -EIO; 2804 2805 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2806 } 2807 2808 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2809 { 2810 unsigned int result; 2811 2812 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2813 /* some models advertise the handle but have no implementation 2814 * for it 2815 */ 2816 pr_info("No USB Charge capability found\n"); 2817 return 0; 2818 } 2819 2820 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2821 if (!uc_handle) 2822 return -ENOMEM; 2823 2824 sysfs_attr_init(&uc_handle->attr); 2825 uc_handle->attr.name = "usb_charge"; 2826 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2827 uc_handle->show = sony_nc_usb_charge_show; 2828 uc_handle->store = sony_nc_usb_charge_store; 2829 2830 result = device_create_file(&pd->dev, uc_handle); 2831 if (result) { 2832 kfree(uc_handle); 2833 uc_handle = NULL; 2834 return result; 2835 } 2836 2837 return 0; 2838 } 2839 2840 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2841 { 2842 if (uc_handle) { 2843 device_remove_file(&pd->dev, uc_handle); 2844 kfree(uc_handle); 2845 uc_handle = NULL; 2846 } 2847 } 2848 2849 /* Panel ID function */ 2850 static struct device_attribute *panel_handle; 2851 2852 static ssize_t sony_nc_panelid_show(struct device *dev, 2853 struct device_attribute *attr, char *buffer) 2854 { 2855 unsigned int result; 2856 2857 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2858 return -EIO; 2859 2860 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2861 } 2862 2863 static int sony_nc_panelid_setup(struct platform_device *pd) 2864 { 2865 unsigned int result; 2866 2867 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2868 if (!panel_handle) 2869 return -ENOMEM; 2870 2871 sysfs_attr_init(&panel_handle->attr); 2872 panel_handle->attr.name = "panel_id"; 2873 panel_handle->attr.mode = S_IRUGO; 2874 panel_handle->show = sony_nc_panelid_show; 2875 panel_handle->store = NULL; 2876 2877 result = device_create_file(&pd->dev, panel_handle); 2878 if (result) { 2879 kfree(panel_handle); 2880 panel_handle = NULL; 2881 return result; 2882 } 2883 2884 return 0; 2885 } 2886 2887 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2888 { 2889 if (panel_handle) { 2890 device_remove_file(&pd->dev, panel_handle); 2891 kfree(panel_handle); 2892 panel_handle = NULL; 2893 } 2894 } 2895 2896 /* smart connect function */ 2897 static struct device_attribute *sc_handle; 2898 2899 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2900 struct device_attribute *attr, 2901 const char *buffer, size_t count) 2902 { 2903 unsigned int result; 2904 unsigned long value; 2905 2906 if (count > 31) 2907 return -EINVAL; 2908 2909 if (kstrtoul(buffer, 10, &value) || value > 1) 2910 return -EINVAL; 2911 2912 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2913 return -EIO; 2914 2915 return count; 2916 } 2917 2918 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2919 { 2920 unsigned int result; 2921 2922 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2923 if (!sc_handle) 2924 return -ENOMEM; 2925 2926 sysfs_attr_init(&sc_handle->attr); 2927 sc_handle->attr.name = "smart_connect"; 2928 sc_handle->attr.mode = S_IWUSR; 2929 sc_handle->show = NULL; 2930 sc_handle->store = sony_nc_smart_conn_store; 2931 2932 result = device_create_file(&pd->dev, sc_handle); 2933 if (result) { 2934 kfree(sc_handle); 2935 sc_handle = NULL; 2936 return result; 2937 } 2938 2939 return 0; 2940 } 2941 2942 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2943 { 2944 if (sc_handle) { 2945 device_remove_file(&pd->dev, sc_handle); 2946 kfree(sc_handle); 2947 sc_handle = NULL; 2948 } 2949 } 2950 2951 /* Touchpad enable/disable */ 2952 struct touchpad_control { 2953 struct device_attribute attr; 2954 int handle; 2955 }; 2956 static struct touchpad_control *tp_ctl; 2957 2958 static ssize_t sony_nc_touchpad_store(struct device *dev, 2959 struct device_attribute *attr, const char *buffer, size_t count) 2960 { 2961 unsigned int result; 2962 unsigned long value; 2963 2964 if (count > 31) 2965 return -EINVAL; 2966 2967 if (kstrtoul(buffer, 10, &value) || value > 1) 2968 return -EINVAL; 2969 2970 /* sysfs: 0 disabled, 1 enabled 2971 * EC: 0 enabled, 1 disabled 2972 */ 2973 if (sony_call_snc_handle(tp_ctl->handle, 2974 (!value << 0x10) | 0x100, &result)) 2975 return -EIO; 2976 2977 return count; 2978 } 2979 2980 static ssize_t sony_nc_touchpad_show(struct device *dev, 2981 struct device_attribute *attr, char *buffer) 2982 { 2983 unsigned int result; 2984 2985 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 2986 return -EINVAL; 2987 2988 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 2989 } 2990 2991 static int sony_nc_touchpad_setup(struct platform_device *pd, 2992 unsigned int handle) 2993 { 2994 int ret = 0; 2995 2996 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 2997 if (!tp_ctl) 2998 return -ENOMEM; 2999 3000 tp_ctl->handle = handle; 3001 3002 sysfs_attr_init(&tp_ctl->attr.attr); 3003 tp_ctl->attr.attr.name = "touchpad"; 3004 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3005 tp_ctl->attr.show = sony_nc_touchpad_show; 3006 tp_ctl->attr.store = sony_nc_touchpad_store; 3007 3008 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3009 if (ret) { 3010 kfree(tp_ctl); 3011 tp_ctl = NULL; 3012 } 3013 3014 return ret; 3015 } 3016 3017 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3018 { 3019 if (tp_ctl) { 3020 device_remove_file(&pd->dev, &tp_ctl->attr); 3021 kfree(tp_ctl); 3022 tp_ctl = NULL; 3023 } 3024 } 3025 3026 static void sony_nc_backlight_ng_read_limits(int handle, 3027 struct sony_backlight_props *props) 3028 { 3029 u64 offset; 3030 int i; 3031 int lvl_table_len = 0; 3032 u8 min = 0xff, max = 0x00; 3033 unsigned char buffer[32] = { 0 }; 3034 3035 props->handle = handle; 3036 props->offset = 0; 3037 props->maxlvl = 0xff; 3038 3039 offset = sony_find_snc_handle(handle); 3040 3041 /* try to read the boundaries from ACPI tables, if we fail the above 3042 * defaults should be reasonable 3043 */ 3044 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3045 32); 3046 if (i < 0) 3047 return; 3048 3049 switch (handle) { 3050 case 0x012f: 3051 case 0x0137: 3052 lvl_table_len = 9; 3053 break; 3054 case 0x143: 3055 case 0x14b: 3056 case 0x14c: 3057 lvl_table_len = 16; 3058 break; 3059 } 3060 3061 /* the buffer lists brightness levels available, brightness levels are 3062 * from position 0 to 8 in the array, other values are used by ALS 3063 * control. 3064 */ 3065 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3066 3067 dprintk("Brightness level: %d\n", buffer[i]); 3068 3069 if (!buffer[i]) 3070 break; 3071 3072 if (buffer[i] > max) 3073 max = buffer[i]; 3074 if (buffer[i] < min) 3075 min = buffer[i]; 3076 } 3077 props->offset = min; 3078 props->maxlvl = max; 3079 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3080 props->maxlvl); 3081 } 3082 3083 static void sony_nc_backlight_setup(void) 3084 { 3085 int max_brightness = 0; 3086 const struct backlight_ops *ops = NULL; 3087 struct backlight_properties props; 3088 3089 if (sony_find_snc_handle(0x12f) >= 0) { 3090 ops = &sony_backlight_ng_ops; 3091 sony_bl_props.cmd_base = 0x0100; 3092 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3093 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3094 3095 } else if (sony_find_snc_handle(0x137) >= 0) { 3096 ops = &sony_backlight_ng_ops; 3097 sony_bl_props.cmd_base = 0x0100; 3098 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3099 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3100 3101 } else if (sony_find_snc_handle(0x143) >= 0) { 3102 ops = &sony_backlight_ng_ops; 3103 sony_bl_props.cmd_base = 0x3000; 3104 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3105 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3106 3107 } else if (sony_find_snc_handle(0x14b) >= 0) { 3108 ops = &sony_backlight_ng_ops; 3109 sony_bl_props.cmd_base = 0x3000; 3110 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3111 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3112 3113 } else if (sony_find_snc_handle(0x14c) >= 0) { 3114 ops = &sony_backlight_ng_ops; 3115 sony_bl_props.cmd_base = 0x3000; 3116 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3117 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3118 3119 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3120 ops = &sony_backlight_ops; 3121 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3122 3123 } else 3124 return; 3125 3126 memset(&props, 0, sizeof(struct backlight_properties)); 3127 props.type = BACKLIGHT_PLATFORM; 3128 props.max_brightness = max_brightness; 3129 sony_bl_props.dev = backlight_device_register("sony", NULL, 3130 &sony_bl_props, 3131 ops, &props); 3132 3133 if (IS_ERR(sony_bl_props.dev)) { 3134 pr_warn("unable to register backlight device\n"); 3135 sony_bl_props.dev = NULL; 3136 } else 3137 sony_bl_props.dev->props.brightness = 3138 ops->get_brightness(sony_bl_props.dev); 3139 } 3140 3141 static void sony_nc_backlight_cleanup(void) 3142 { 3143 backlight_device_unregister(sony_bl_props.dev); 3144 } 3145 3146 static int sony_nc_add(struct acpi_device *device) 3147 { 3148 acpi_status status; 3149 int result = 0; 3150 struct sony_nc_value *item; 3151 3152 sony_nc_acpi_device = device; 3153 strcpy(acpi_device_class(device), "sony/hotkey"); 3154 3155 sony_nc_acpi_handle = device->handle; 3156 3157 /* read device status */ 3158 result = acpi_bus_get_status(device); 3159 /* bail IFF the above call was successful and the device is not present */ 3160 if (!result && !device->status.present) { 3161 dprintk("Device not present\n"); 3162 result = -ENODEV; 3163 goto outwalk; 3164 } 3165 3166 result = sony_pf_add(); 3167 if (result) 3168 goto outpresent; 3169 3170 if (debug) { 3171 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3172 sony_nc_acpi_handle, 1, sony_walk_callback, 3173 NULL, NULL, NULL); 3174 if (ACPI_FAILURE(status)) { 3175 pr_warn("unable to walk acpi resources\n"); 3176 result = -ENODEV; 3177 goto outpresent; 3178 } 3179 } 3180 3181 result = sony_laptop_setup_input(device); 3182 if (result) { 3183 pr_err("Unable to create input devices\n"); 3184 goto outplatform; 3185 } 3186 3187 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3188 int arg = 1; 3189 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3190 dprintk("ECON Method failed\n"); 3191 } 3192 3193 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3194 dprintk("Doing SNC setup\n"); 3195 /* retrieve the available handles */ 3196 result = sony_nc_handles_setup(sony_pf_device); 3197 if (!result) 3198 sony_nc_function_setup(device, sony_pf_device); 3199 } 3200 3201 /* setup input devices and helper fifo */ 3202 if (acpi_video_backlight_support()) { 3203 pr_info("brightness ignored, must be controlled by ACPI video driver\n"); 3204 } else { 3205 sony_nc_backlight_setup(); 3206 } 3207 3208 /* create sony_pf sysfs attributes related to the SNC device */ 3209 for (item = sony_nc_values; item->name; ++item) { 3210 3211 if (!debug && item->debug) 3212 continue; 3213 3214 /* find the available acpiget as described in the DSDT */ 3215 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3216 if (acpi_has_method(sony_nc_acpi_handle, 3217 *item->acpiget)) { 3218 dprintk("Found %s getter: %s\n", 3219 item->name, *item->acpiget); 3220 item->devattr.attr.mode |= S_IRUGO; 3221 break; 3222 } 3223 } 3224 3225 /* find the available acpiset as described in the DSDT */ 3226 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3227 if (acpi_has_method(sony_nc_acpi_handle, 3228 *item->acpiset)) { 3229 dprintk("Found %s setter: %s\n", 3230 item->name, *item->acpiset); 3231 item->devattr.attr.mode |= S_IWUSR; 3232 break; 3233 } 3234 } 3235 3236 if (item->devattr.attr.mode != 0) { 3237 result = 3238 device_create_file(&sony_pf_device->dev, 3239 &item->devattr); 3240 if (result) 3241 goto out_sysfs; 3242 } 3243 } 3244 3245 pr_info("SNC setup done.\n"); 3246 return 0; 3247 3248 out_sysfs: 3249 for (item = sony_nc_values; item->name; ++item) { 3250 device_remove_file(&sony_pf_device->dev, &item->devattr); 3251 } 3252 sony_nc_backlight_cleanup(); 3253 sony_nc_function_cleanup(sony_pf_device); 3254 sony_nc_handles_cleanup(sony_pf_device); 3255 3256 outplatform: 3257 sony_laptop_remove_input(); 3258 3259 outpresent: 3260 sony_pf_remove(); 3261 3262 outwalk: 3263 sony_nc_rfkill_cleanup(); 3264 return result; 3265 } 3266 3267 static int sony_nc_remove(struct acpi_device *device) 3268 { 3269 struct sony_nc_value *item; 3270 3271 sony_nc_backlight_cleanup(); 3272 3273 sony_nc_acpi_device = NULL; 3274 3275 for (item = sony_nc_values; item->name; ++item) { 3276 device_remove_file(&sony_pf_device->dev, &item->devattr); 3277 } 3278 3279 sony_nc_function_cleanup(sony_pf_device); 3280 sony_nc_handles_cleanup(sony_pf_device); 3281 sony_pf_remove(); 3282 sony_laptop_remove_input(); 3283 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3284 3285 return 0; 3286 } 3287 3288 static const struct acpi_device_id sony_device_ids[] = { 3289 {SONY_NC_HID, 0}, 3290 {SONY_PIC_HID, 0}, 3291 {"", 0}, 3292 }; 3293 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3294 3295 static const struct acpi_device_id sony_nc_device_ids[] = { 3296 {SONY_NC_HID, 0}, 3297 {"", 0}, 3298 }; 3299 3300 static struct acpi_driver sony_nc_driver = { 3301 .name = SONY_NC_DRIVER_NAME, 3302 .class = SONY_NC_CLASS, 3303 .ids = sony_nc_device_ids, 3304 .owner = THIS_MODULE, 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 = snprintf(buffer, PAGE_SIZE, "%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 = snprintf(buffer, PAGE_SIZE, "%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 snprintf(buffer, PAGE_SIZE, "%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 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->i_atime = current_fs_time(inode->i_sb); 4094 } 4095 4096 return ret; 4097 } 4098 4099 static unsigned int 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 POLLIN | POLLRDNORM; 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 || !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.sharable = p->sharable; 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 (!io) { 4379 dprintk("Blank IO resource\n"); 4380 return AE_OK; 4381 } 4382 4383 if (!ioport->io1.minimum) { 4384 memcpy(&ioport->io1, io, sizeof(*io)); 4385 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4386 ioport->io1.address_length); 4387 } 4388 else if (!ioport->io2.minimum) { 4389 memcpy(&ioport->io2, io, sizeof(*io)); 4390 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4391 ioport->io2.address_length); 4392 } 4393 else { 4394 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4395 return AE_ERROR; 4396 } 4397 return AE_OK; 4398 } 4399 default: 4400 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4401 resource->type); 4402 4403 case ACPI_RESOURCE_TYPE_END_TAG: 4404 return AE_OK; 4405 } 4406 return AE_CTRL_TERMINATE; 4407 } 4408 4409 static int sony_pic_possible_resources(struct acpi_device *device) 4410 { 4411 int result = 0; 4412 acpi_status status = AE_OK; 4413 4414 if (!device) 4415 return -EINVAL; 4416 4417 /* get device status */ 4418 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4419 dprintk("Evaluating _STA\n"); 4420 result = acpi_bus_get_status(device); 4421 if (result) { 4422 pr_warn("Unable to read status\n"); 4423 goto end; 4424 } 4425 4426 if (!device->status.enabled) 4427 dprintk("Device disabled\n"); 4428 else 4429 dprintk("Device enabled\n"); 4430 4431 /* 4432 * Query and parse 'method' 4433 */ 4434 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4435 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4436 sony_pic_read_possible_resource, &spic_dev); 4437 if (ACPI_FAILURE(status)) { 4438 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4439 result = -ENODEV; 4440 } 4441 end: 4442 return result; 4443 } 4444 4445 /* 4446 * Disable the spic device by calling its _DIS method 4447 */ 4448 static int sony_pic_disable(struct acpi_device *device) 4449 { 4450 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4451 NULL); 4452 4453 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4454 return -ENXIO; 4455 4456 dprintk("Device disabled\n"); 4457 return 0; 4458 } 4459 4460 4461 /* 4462 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4463 * 4464 * Call _SRS to set current resources 4465 */ 4466 static int sony_pic_enable(struct acpi_device *device, 4467 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4468 { 4469 acpi_status status; 4470 int result = 0; 4471 /* Type 1 resource layout is: 4472 * IO 4473 * IO 4474 * IRQNoFlags 4475 * End 4476 * 4477 * Type 2 and 3 resource layout is: 4478 * IO 4479 * IRQNoFlags 4480 * End 4481 */ 4482 struct { 4483 struct acpi_resource res1; 4484 struct acpi_resource res2; 4485 struct acpi_resource res3; 4486 struct acpi_resource res4; 4487 } *resource; 4488 struct acpi_buffer buffer = { 0, NULL }; 4489 4490 if (!ioport || !irq) 4491 return -EINVAL; 4492 4493 /* init acpi_buffer */ 4494 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4495 if (!resource) 4496 return -ENOMEM; 4497 4498 buffer.length = sizeof(*resource) + 1; 4499 buffer.pointer = resource; 4500 4501 /* setup Type 1 resources */ 4502 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4503 4504 /* setup io resources */ 4505 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4506 resource->res1.length = sizeof(struct acpi_resource); 4507 memcpy(&resource->res1.data.io, &ioport->io1, 4508 sizeof(struct acpi_resource_io)); 4509 4510 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4511 resource->res2.length = sizeof(struct acpi_resource); 4512 memcpy(&resource->res2.data.io, &ioport->io2, 4513 sizeof(struct acpi_resource_io)); 4514 4515 /* setup irq resource */ 4516 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4517 resource->res3.length = sizeof(struct acpi_resource); 4518 memcpy(&resource->res3.data.irq, &irq->irq, 4519 sizeof(struct acpi_resource_irq)); 4520 /* we requested a shared irq */ 4521 resource->res3.data.irq.sharable = ACPI_SHARED; 4522 4523 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4524 resource->res4.length = sizeof(struct acpi_resource); 4525 } 4526 /* setup Type 2/3 resources */ 4527 else { 4528 /* setup io resource */ 4529 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4530 resource->res1.length = sizeof(struct acpi_resource); 4531 memcpy(&resource->res1.data.io, &ioport->io1, 4532 sizeof(struct acpi_resource_io)); 4533 4534 /* setup irq resource */ 4535 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4536 resource->res2.length = sizeof(struct acpi_resource); 4537 memcpy(&resource->res2.data.irq, &irq->irq, 4538 sizeof(struct acpi_resource_irq)); 4539 /* we requested a shared irq */ 4540 resource->res2.data.irq.sharable = ACPI_SHARED; 4541 4542 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4543 resource->res3.length = sizeof(struct acpi_resource); 4544 } 4545 4546 /* Attempt to set the resource */ 4547 dprintk("Evaluating _SRS\n"); 4548 status = acpi_set_current_resources(device->handle, &buffer); 4549 4550 /* check for total failure */ 4551 if (ACPI_FAILURE(status)) { 4552 pr_err("Error evaluating _SRS\n"); 4553 result = -ENODEV; 4554 goto end; 4555 } 4556 4557 /* Necessary device initializations calls (from sonypi) */ 4558 sony_pic_call1(0x82); 4559 sony_pic_call2(0x81, 0xff); 4560 sony_pic_call1(compat ? 0x92 : 0x82); 4561 4562 end: 4563 kfree(resource); 4564 return result; 4565 } 4566 4567 /***************** 4568 * 4569 * ISR: some event is available 4570 * 4571 *****************/ 4572 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4573 { 4574 int i, j; 4575 u8 ev = 0; 4576 u8 data_mask = 0; 4577 u8 device_event = 0; 4578 4579 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4580 4581 ev = inb_p(dev->cur_ioport->io1.minimum); 4582 if (dev->cur_ioport->io2.minimum) 4583 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4584 else 4585 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4586 dev->evport_offset); 4587 4588 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4589 ev, data_mask, dev->cur_ioport->io1.minimum, 4590 dev->evport_offset); 4591 4592 if (ev == 0x00 || ev == 0xff) 4593 return IRQ_HANDLED; 4594 4595 for (i = 0; dev->event_types[i].mask; i++) { 4596 4597 if ((data_mask & dev->event_types[i].data) != 4598 dev->event_types[i].data) 4599 continue; 4600 4601 if (!(mask & dev->event_types[i].mask)) 4602 continue; 4603 4604 for (j = 0; dev->event_types[i].events[j].event; j++) { 4605 if (ev == dev->event_types[i].events[j].data) { 4606 device_event = 4607 dev->event_types[i].events[j].event; 4608 /* some events may require ignoring */ 4609 if (!device_event) 4610 return IRQ_HANDLED; 4611 goto found; 4612 } 4613 } 4614 } 4615 /* Still not able to decode the event try to pass 4616 * it over to the minidriver 4617 */ 4618 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4619 return IRQ_HANDLED; 4620 4621 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4622 ev, data_mask, dev->cur_ioport->io1.minimum, 4623 dev->evport_offset); 4624 return IRQ_HANDLED; 4625 4626 found: 4627 sony_laptop_report_input_event(device_event); 4628 sonypi_compat_report_event(device_event); 4629 return IRQ_HANDLED; 4630 } 4631 4632 /***************** 4633 * 4634 * ACPI driver 4635 * 4636 *****************/ 4637 static int sony_pic_remove(struct acpi_device *device) 4638 { 4639 struct sony_pic_ioport *io, *tmp_io; 4640 struct sony_pic_irq *irq, *tmp_irq; 4641 4642 if (sony_pic_disable(device)) { 4643 pr_err("Couldn't disable device\n"); 4644 return -ENXIO; 4645 } 4646 4647 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4648 release_region(spic_dev.cur_ioport->io1.minimum, 4649 spic_dev.cur_ioport->io1.address_length); 4650 if (spic_dev.cur_ioport->io2.minimum) 4651 release_region(spic_dev.cur_ioport->io2.minimum, 4652 spic_dev.cur_ioport->io2.address_length); 4653 4654 sonypi_compat_exit(); 4655 4656 sony_laptop_remove_input(); 4657 4658 /* pf attrs */ 4659 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4660 sony_pf_remove(); 4661 4662 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4663 list_del(&io->list); 4664 kfree(io); 4665 } 4666 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4667 list_del(&irq->list); 4668 kfree(irq); 4669 } 4670 spic_dev.cur_ioport = NULL; 4671 spic_dev.cur_irq = NULL; 4672 4673 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4674 return 0; 4675 } 4676 4677 static int sony_pic_add(struct acpi_device *device) 4678 { 4679 int result; 4680 struct sony_pic_ioport *io, *tmp_io; 4681 struct sony_pic_irq *irq, *tmp_irq; 4682 4683 spic_dev.acpi_dev = device; 4684 strcpy(acpi_device_class(device), "sony/hotkey"); 4685 sony_pic_detect_device_type(&spic_dev); 4686 mutex_init(&spic_dev.lock); 4687 4688 /* read _PRS resources */ 4689 result = sony_pic_possible_resources(device); 4690 if (result) { 4691 pr_err("Unable to read possible resources\n"); 4692 goto err_free_resources; 4693 } 4694 4695 /* setup input devices and helper fifo */ 4696 result = sony_laptop_setup_input(device); 4697 if (result) { 4698 pr_err("Unable to create input devices\n"); 4699 goto err_free_resources; 4700 } 4701 4702 result = sonypi_compat_init(); 4703 if (result) 4704 goto err_remove_input; 4705 4706 /* request io port */ 4707 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4708 if (request_region(io->io1.minimum, io->io1.address_length, 4709 "Sony Programmable I/O Device")) { 4710 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4711 io->io1.minimum, io->io1.maximum, 4712 io->io1.address_length); 4713 /* Type 1 have 2 ioports */ 4714 if (io->io2.minimum) { 4715 if (request_region(io->io2.minimum, 4716 io->io2.address_length, 4717 "Sony Programmable I/O Device")) { 4718 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4719 io->io2.minimum, io->io2.maximum, 4720 io->io2.address_length); 4721 spic_dev.cur_ioport = io; 4722 break; 4723 } 4724 else { 4725 dprintk("Unable to get I/O port2: " 4726 "0x%.4x (0x%.4x) + 0x%.2x\n", 4727 io->io2.minimum, io->io2.maximum, 4728 io->io2.address_length); 4729 release_region(io->io1.minimum, 4730 io->io1.address_length); 4731 } 4732 } 4733 else { 4734 spic_dev.cur_ioport = io; 4735 break; 4736 } 4737 } 4738 } 4739 if (!spic_dev.cur_ioport) { 4740 pr_err("Failed to request_region\n"); 4741 result = -ENODEV; 4742 goto err_remove_compat; 4743 } 4744 4745 /* request IRQ */ 4746 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4747 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4748 0, "sony-laptop", &spic_dev)) { 4749 dprintk("IRQ: %d - triggering: %d - " 4750 "polarity: %d - shr: %d\n", 4751 irq->irq.interrupts[0], 4752 irq->irq.triggering, 4753 irq->irq.polarity, 4754 irq->irq.sharable); 4755 spic_dev.cur_irq = irq; 4756 break; 4757 } 4758 } 4759 if (!spic_dev.cur_irq) { 4760 pr_err("Failed to request_irq\n"); 4761 result = -ENODEV; 4762 goto err_release_region; 4763 } 4764 4765 /* set resource status _SRS */ 4766 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4767 if (result) { 4768 pr_err("Couldn't enable device\n"); 4769 goto err_free_irq; 4770 } 4771 4772 spic_dev.bluetooth_power = -1; 4773 /* create device attributes */ 4774 result = sony_pf_add(); 4775 if (result) 4776 goto err_disable_device; 4777 4778 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4779 if (result) 4780 goto err_remove_pf; 4781 4782 pr_info("SPIC setup done.\n"); 4783 return 0; 4784 4785 err_remove_pf: 4786 sony_pf_remove(); 4787 4788 err_disable_device: 4789 sony_pic_disable(device); 4790 4791 err_free_irq: 4792 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4793 4794 err_release_region: 4795 release_region(spic_dev.cur_ioport->io1.minimum, 4796 spic_dev.cur_ioport->io1.address_length); 4797 if (spic_dev.cur_ioport->io2.minimum) 4798 release_region(spic_dev.cur_ioport->io2.minimum, 4799 spic_dev.cur_ioport->io2.address_length); 4800 4801 err_remove_compat: 4802 sonypi_compat_exit(); 4803 4804 err_remove_input: 4805 sony_laptop_remove_input(); 4806 4807 err_free_resources: 4808 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4809 list_del(&io->list); 4810 kfree(io); 4811 } 4812 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4813 list_del(&irq->list); 4814 kfree(irq); 4815 } 4816 spic_dev.cur_ioport = NULL; 4817 spic_dev.cur_irq = NULL; 4818 4819 return result; 4820 } 4821 4822 #ifdef CONFIG_PM_SLEEP 4823 static int sony_pic_suspend(struct device *dev) 4824 { 4825 if (sony_pic_disable(to_acpi_device(dev))) 4826 return -ENXIO; 4827 return 0; 4828 } 4829 4830 static int sony_pic_resume(struct device *dev) 4831 { 4832 sony_pic_enable(to_acpi_device(dev), 4833 spic_dev.cur_ioport, spic_dev.cur_irq); 4834 return 0; 4835 } 4836 #endif 4837 4838 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4839 4840 static const struct acpi_device_id sony_pic_device_ids[] = { 4841 {SONY_PIC_HID, 0}, 4842 {"", 0}, 4843 }; 4844 4845 static struct acpi_driver sony_pic_driver = { 4846 .name = SONY_PIC_DRIVER_NAME, 4847 .class = SONY_PIC_CLASS, 4848 .ids = sony_pic_device_ids, 4849 .owner = THIS_MODULE, 4850 .ops = { 4851 .add = sony_pic_add, 4852 .remove = sony_pic_remove, 4853 }, 4854 .drv.pm = &sony_pic_pm, 4855 }; 4856 4857 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4858 { 4859 .ident = "Sony Vaio", 4860 .matches = { 4861 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4862 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4863 }, 4864 }, 4865 { 4866 .ident = "Sony Vaio", 4867 .matches = { 4868 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4869 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4870 }, 4871 }, 4872 { } 4873 }; 4874 4875 static int __init sony_laptop_init(void) 4876 { 4877 int result; 4878 4879 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4880 result = acpi_bus_register_driver(&sony_pic_driver); 4881 if (result) { 4882 pr_err("Unable to register SPIC driver\n"); 4883 goto out; 4884 } 4885 spic_drv_registered = 1; 4886 } 4887 4888 result = acpi_bus_register_driver(&sony_nc_driver); 4889 if (result) { 4890 pr_err("Unable to register SNC driver\n"); 4891 goto out_unregister_pic; 4892 } 4893 4894 return 0; 4895 4896 out_unregister_pic: 4897 if (spic_drv_registered) 4898 acpi_bus_unregister_driver(&sony_pic_driver); 4899 out: 4900 return result; 4901 } 4902 4903 static void __exit sony_laptop_exit(void) 4904 { 4905 acpi_bus_unregister_driver(&sony_nc_driver); 4906 if (spic_drv_registered) 4907 acpi_bus_unregister_driver(&sony_pic_driver); 4908 } 4909 4910 module_init(sony_laptop_init); 4911 module_exit(sony_laptop_exit); 4912