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 #include <acpi/video.h> 73 74 #define dprintk(fmt, ...) \ 75 do { \ 76 if (debug) \ 77 pr_warn(fmt, ##__VA_ARGS__); \ 78 } while (0) 79 80 #define SONY_NC_CLASS "sony-nc" 81 #define SONY_NC_HID "SNY5001" 82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" 83 84 #define SONY_PIC_CLASS "sony-pic" 85 #define SONY_PIC_HID "SNY6001" 86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" 87 88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); 89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); 90 MODULE_LICENSE("GPL"); 91 92 static int debug; 93 module_param(debug, int, 0); 94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " 95 "the development of this driver"); 96 97 static int no_spic; /* = 0 */ 98 module_param(no_spic, int, 0444); 99 MODULE_PARM_DESC(no_spic, 100 "set this if you don't want to enable the SPIC device"); 101 102 static int compat; /* = 0 */ 103 module_param(compat, int, 0444); 104 MODULE_PARM_DESC(compat, 105 "set this if you want to enable backward compatibility mode"); 106 107 static unsigned long mask = 0xffffffff; 108 module_param(mask, ulong, 0644); 109 MODULE_PARM_DESC(mask, 110 "set this to the mask of event you want to enable (see doc)"); 111 112 static int camera; /* = 0 */ 113 module_param(camera, int, 0444); 114 MODULE_PARM_DESC(camera, 115 "set this to 1 to enable Motion Eye camera controls " 116 "(only use it if you have a C1VE or C1VN model)"); 117 118 #ifdef CONFIG_SONYPI_COMPAT 119 static int minor = -1; 120 module_param(minor, int, 0); 121 MODULE_PARM_DESC(minor, 122 "minor number of the misc device for the SPIC compatibility code, " 123 "default is -1 (automatic)"); 124 #endif 125 126 static int kbd_backlight = -1; 127 module_param(kbd_backlight, int, 0444); 128 MODULE_PARM_DESC(kbd_backlight, 129 "set this to 0 to disable keyboard backlight, " 130 "1 to enable it with automatic control and 2 to have it always " 131 "on (default: no change from current value)"); 132 133 static int kbd_backlight_timeout = -1; 134 module_param(kbd_backlight_timeout, int, 0444); 135 MODULE_PARM_DESC(kbd_backlight_timeout, 136 "meaningful values vary from 0 to 3 and their meaning depends " 137 "on the model (default: no change from current value)"); 138 139 #ifdef CONFIG_PM_SLEEP 140 static void sony_nc_thermal_resume(void); 141 #endif 142 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 143 unsigned int handle); 144 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 145 unsigned int handle); 146 147 static int sony_nc_battery_care_setup(struct platform_device *pd, 148 unsigned int handle); 149 static void sony_nc_battery_care_cleanup(struct platform_device *pd); 150 151 static int sony_nc_thermal_setup(struct platform_device *pd); 152 static void sony_nc_thermal_cleanup(struct platform_device *pd); 153 154 static int sony_nc_lid_resume_setup(struct platform_device *pd, 155 unsigned int handle); 156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd); 157 158 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 159 unsigned int handle); 160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); 161 static int __sony_nc_gfx_switch_status_get(void); 162 163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd); 164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); 165 166 static int sony_nc_lowbatt_setup(struct platform_device *pd); 167 static void sony_nc_lowbatt_cleanup(struct platform_device *pd); 168 169 static int sony_nc_fanspeed_setup(struct platform_device *pd); 170 static void sony_nc_fanspeed_cleanup(struct platform_device *pd); 171 172 static int sony_nc_usb_charge_setup(struct platform_device *pd); 173 static void sony_nc_usb_charge_cleanup(struct platform_device *pd); 174 175 static int sony_nc_panelid_setup(struct platform_device *pd); 176 static void sony_nc_panelid_cleanup(struct platform_device *pd); 177 178 static int sony_nc_smart_conn_setup(struct platform_device *pd); 179 static void sony_nc_smart_conn_cleanup(struct platform_device *pd); 180 181 static int sony_nc_touchpad_setup(struct platform_device *pd, 182 unsigned int handle); 183 static void sony_nc_touchpad_cleanup(struct platform_device *pd); 184 185 enum sony_nc_rfkill { 186 SONY_WIFI, 187 SONY_BLUETOOTH, 188 SONY_WWAN, 189 SONY_WIMAX, 190 N_SONY_RFKILL, 191 }; 192 193 static int sony_rfkill_handle; 194 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; 195 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; 196 static int sony_nc_rfkill_setup(struct acpi_device *device, 197 unsigned int handle); 198 static void sony_nc_rfkill_cleanup(void); 199 static void sony_nc_rfkill_update(void); 200 201 /*********** Input Devices ***********/ 202 203 #define SONY_LAPTOP_BUF_SIZE 128 204 struct sony_laptop_input_s { 205 atomic_t users; 206 struct input_dev *jog_dev; 207 struct input_dev *key_dev; 208 struct kfifo fifo; 209 spinlock_t fifo_lock; 210 struct timer_list release_key_timer; 211 }; 212 213 static struct sony_laptop_input_s sony_laptop_input = { 214 .users = ATOMIC_INIT(0), 215 }; 216 217 struct sony_laptop_keypress { 218 struct input_dev *dev; 219 int key; 220 }; 221 222 /* Correspondance table between sonypi events 223 * and input layer indexes in the keymap 224 */ 225 static int sony_laptop_input_index[] = { 226 -1, /* 0 no event */ 227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ 228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ 229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ 230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ 231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ 232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 250 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 251 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 252 19, /* 26 SONYPI_EVENT_FNKEY_D */ 253 20, /* 27 SONYPI_EVENT_FNKEY_E */ 254 21, /* 28 SONYPI_EVENT_FNKEY_F */ 255 22, /* 29 SONYPI_EVENT_FNKEY_S */ 256 23, /* 30 SONYPI_EVENT_FNKEY_B */ 257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 258 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 259 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 260 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ 262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */ 263 -1, /* 37 SONYPI_EVENT_LID_OPENED */ 264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 278 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ 282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ 283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ 284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ 285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 292 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 293 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ 300 }; 301 302 static int sony_laptop_input_keycode_map[] = { 303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ 304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ 305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ 308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ 309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ 310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ 311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ 312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ 313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ 314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ 315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ 316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ 317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ 318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ 319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ 320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */ 321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */ 322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ 323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ 324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ 325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ 326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ 327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ 328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ 329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ 330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ 331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ 332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ 333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ 334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ 335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ 336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ 338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ 345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ 347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ 348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ 349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ 350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ 351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ 352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ 353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ 355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ 356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ 357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ 358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ 359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ 360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ 361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ 362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ 363 }; 364 365 /* release buttons after a short delay if pressed */ 366 static void do_sony_laptop_release_key(unsigned long unused) 367 { 368 struct sony_laptop_keypress kp; 369 unsigned long flags; 370 371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); 372 373 if (kfifo_out(&sony_laptop_input.fifo, 374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 375 input_report_key(kp.dev, kp.key, 0); 376 input_sync(kp.dev); 377 } 378 379 /* If there is something in the fifo schedule next release. */ 380 if (kfifo_len(&sony_laptop_input.fifo) != 0) 381 mod_timer(&sony_laptop_input.release_key_timer, 382 jiffies + msecs_to_jiffies(10)); 383 384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); 385 } 386 387 /* forward event to the input subsystem */ 388 static void sony_laptop_report_input_event(u8 event) 389 { 390 struct input_dev *jog_dev = sony_laptop_input.jog_dev; 391 struct input_dev *key_dev = sony_laptop_input.key_dev; 392 struct sony_laptop_keypress kp = { NULL }; 393 int scancode = -1; 394 395 if (event == SONYPI_EVENT_FNKEY_RELEASED || 396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) { 397 /* Nothing, not all VAIOs generate this event */ 398 return; 399 } 400 401 /* report events */ 402 switch (event) { 403 /* jog_dev events */ 404 case SONYPI_EVENT_JOGDIAL_UP: 405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED: 406 input_report_rel(jog_dev, REL_WHEEL, 1); 407 input_sync(jog_dev); 408 return; 409 410 case SONYPI_EVENT_JOGDIAL_DOWN: 411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: 412 input_report_rel(jog_dev, REL_WHEEL, -1); 413 input_sync(jog_dev); 414 return; 415 416 /* key_dev events */ 417 case SONYPI_EVENT_JOGDIAL_PRESSED: 418 kp.key = BTN_MIDDLE; 419 kp.dev = jog_dev; 420 break; 421 422 default: 423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) { 424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event); 425 break; 426 } 427 if ((scancode = sony_laptop_input_index[event]) != -1) { 428 kp.key = sony_laptop_input_keycode_map[scancode]; 429 if (kp.key != KEY_UNKNOWN) 430 kp.dev = key_dev; 431 } 432 break; 433 } 434 435 if (kp.dev) { 436 /* if we have a scancode we emit it so we can always 437 remap the key */ 438 if (scancode != -1) 439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); 440 input_report_key(kp.dev, kp.key, 1); 441 input_sync(kp.dev); 442 443 /* schedule key release */ 444 kfifo_in_locked(&sony_laptop_input.fifo, 445 (unsigned char *)&kp, sizeof(kp), 446 &sony_laptop_input.fifo_lock); 447 mod_timer(&sony_laptop_input.release_key_timer, 448 jiffies + msecs_to_jiffies(10)); 449 } else 450 dprintk("unknown input event %.2x\n", event); 451 } 452 453 static int sony_laptop_setup_input(struct acpi_device *acpi_device) 454 { 455 struct input_dev *jog_dev; 456 struct input_dev *key_dev; 457 int i; 458 int error; 459 460 /* don't run again if already initialized */ 461 if (atomic_add_return(1, &sony_laptop_input.users) > 1) 462 return 0; 463 464 /* kfifo */ 465 spin_lock_init(&sony_laptop_input.fifo_lock); 466 error = kfifo_alloc(&sony_laptop_input.fifo, 467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 468 if (error) { 469 pr_err("kfifo_alloc failed\n"); 470 goto err_dec_users; 471 } 472 473 setup_timer(&sony_laptop_input.release_key_timer, 474 do_sony_laptop_release_key, 0); 475 476 /* input keys */ 477 key_dev = input_allocate_device(); 478 if (!key_dev) { 479 error = -ENOMEM; 480 goto err_free_kfifo; 481 } 482 483 key_dev->name = "Sony Vaio Keys"; 484 key_dev->id.bustype = BUS_ISA; 485 key_dev->id.vendor = PCI_VENDOR_ID_SONY; 486 key_dev->dev.parent = &acpi_device->dev; 487 488 /* Initialize the Input Drivers: special keys */ 489 input_set_capability(key_dev, EV_MSC, MSC_SCAN); 490 491 __set_bit(EV_KEY, key_dev->evbit); 492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); 493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); 494 key_dev->keycode = &sony_laptop_input_keycode_map; 495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) 496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); 497 __clear_bit(KEY_RESERVED, key_dev->keybit); 498 499 error = input_register_device(key_dev); 500 if (error) 501 goto err_free_keydev; 502 503 sony_laptop_input.key_dev = key_dev; 504 505 /* jogdial */ 506 jog_dev = input_allocate_device(); 507 if (!jog_dev) { 508 error = -ENOMEM; 509 goto err_unregister_keydev; 510 } 511 512 jog_dev->name = "Sony Vaio Jogdial"; 513 jog_dev->id.bustype = BUS_ISA; 514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY; 515 jog_dev->dev.parent = &acpi_device->dev; 516 517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); 518 input_set_capability(jog_dev, EV_REL, REL_WHEEL); 519 520 error = input_register_device(jog_dev); 521 if (error) 522 goto err_free_jogdev; 523 524 sony_laptop_input.jog_dev = jog_dev; 525 526 return 0; 527 528 err_free_jogdev: 529 input_free_device(jog_dev); 530 531 err_unregister_keydev: 532 input_unregister_device(key_dev); 533 /* to avoid kref underflow below at input_free_device */ 534 key_dev = NULL; 535 536 err_free_keydev: 537 input_free_device(key_dev); 538 539 err_free_kfifo: 540 kfifo_free(&sony_laptop_input.fifo); 541 542 err_dec_users: 543 atomic_dec(&sony_laptop_input.users); 544 return error; 545 } 546 547 static void sony_laptop_remove_input(void) 548 { 549 struct sony_laptop_keypress kp = { NULL }; 550 551 /* Cleanup only after the last user has gone */ 552 if (!atomic_dec_and_test(&sony_laptop_input.users)) 553 return; 554 555 del_timer_sync(&sony_laptop_input.release_key_timer); 556 557 /* 558 * Generate key-up events for remaining keys. Note that we don't 559 * need locking since nobody is adding new events to the kfifo. 560 */ 561 while (kfifo_out(&sony_laptop_input.fifo, 562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { 563 input_report_key(kp.dev, kp.key, 0); 564 input_sync(kp.dev); 565 } 566 567 /* destroy input devs */ 568 input_unregister_device(sony_laptop_input.key_dev); 569 sony_laptop_input.key_dev = NULL; 570 571 if (sony_laptop_input.jog_dev) { 572 input_unregister_device(sony_laptop_input.jog_dev); 573 sony_laptop_input.jog_dev = NULL; 574 } 575 576 kfifo_free(&sony_laptop_input.fifo); 577 } 578 579 /*********** Platform Device ***********/ 580 581 static atomic_t sony_pf_users = ATOMIC_INIT(0); 582 static struct platform_driver sony_pf_driver = { 583 .driver = { 584 .name = "sony-laptop", 585 } 586 }; 587 static struct platform_device *sony_pf_device; 588 589 static int sony_pf_add(void) 590 { 591 int ret = 0; 592 593 /* don't run again if already initialized */ 594 if (atomic_add_return(1, &sony_pf_users) > 1) 595 return 0; 596 597 ret = platform_driver_register(&sony_pf_driver); 598 if (ret) 599 goto out; 600 601 sony_pf_device = platform_device_alloc("sony-laptop", -1); 602 if (!sony_pf_device) { 603 ret = -ENOMEM; 604 goto out_platform_registered; 605 } 606 607 ret = platform_device_add(sony_pf_device); 608 if (ret) 609 goto out_platform_alloced; 610 611 return 0; 612 613 out_platform_alloced: 614 platform_device_put(sony_pf_device); 615 sony_pf_device = NULL; 616 out_platform_registered: 617 platform_driver_unregister(&sony_pf_driver); 618 out: 619 atomic_dec(&sony_pf_users); 620 return ret; 621 } 622 623 static void sony_pf_remove(void) 624 { 625 /* deregister only after the last user has gone */ 626 if (!atomic_dec_and_test(&sony_pf_users)) 627 return; 628 629 platform_device_unregister(sony_pf_device); 630 platform_driver_unregister(&sony_pf_driver); 631 } 632 633 /*********** SNC (SNY5001) Device ***********/ 634 635 /* the device uses 1-based values, while the backlight subsystem uses 636 0-based values */ 637 #define SONY_MAX_BRIGHTNESS 8 638 639 #define SNC_VALIDATE_IN 0 640 #define SNC_VALIDATE_OUT 1 641 642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, 643 char *); 644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, 645 const char *, size_t); 646 static int boolean_validate(const int, const int); 647 static int brightness_default_validate(const int, const int); 648 649 struct sony_nc_value { 650 char *name; /* name of the entry */ 651 char **acpiget; /* names of the ACPI get function */ 652 char **acpiset; /* names of the ACPI set function */ 653 int (*validate)(const int, const int); /* input/output validation */ 654 int value; /* current setting */ 655 int valid; /* Has ever been set */ 656 int debug; /* active only in debug mode ? */ 657 struct device_attribute devattr; /* sysfs attribute */ 658 }; 659 660 #define SNC_HANDLE_NAMES(_name, _values...) \ 661 static char *snc_##_name[] = { _values, NULL } 662 663 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ 664 { \ 665 .name = __stringify(_name), \ 666 .acpiget = _getters, \ 667 .acpiset = _setters, \ 668 .validate = _validate, \ 669 .debug = _debug, \ 670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ 671 } 672 673 #define SNC_HANDLE_NULL { .name = NULL } 674 675 SNC_HANDLE_NAMES(fnkey_get, "GHKE"); 676 677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); 678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); 679 680 SNC_HANDLE_NAMES(cdpower_get, "GCDP"); 681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); 682 683 SNC_HANDLE_NAMES(audiopower_get, "GAZP"); 684 SNC_HANDLE_NAMES(audiopower_set, "AZPW"); 685 686 SNC_HANDLE_NAMES(lanpower_get, "GLNP"); 687 SNC_HANDLE_NAMES(lanpower_set, "LNPW"); 688 689 SNC_HANDLE_NAMES(lidstate_get, "GLID"); 690 691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); 692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); 693 694 SNC_HANDLE_NAMES(gainbass_get, "GMGB"); 695 SNC_HANDLE_NAMES(gainbass_set, "CMGB"); 696 697 SNC_HANDLE_NAMES(PID_get, "GPID"); 698 699 SNC_HANDLE_NAMES(CTR_get, "GCTR"); 700 SNC_HANDLE_NAMES(CTR_set, "SCTR"); 701 702 SNC_HANDLE_NAMES(PCR_get, "GPCR"); 703 SNC_HANDLE_NAMES(PCR_set, "SPCR"); 704 705 SNC_HANDLE_NAMES(CMI_get, "GCMI"); 706 SNC_HANDLE_NAMES(CMI_set, "SCMI"); 707 708 static struct sony_nc_value sony_nc_values[] = { 709 SNC_HANDLE(brightness_default, snc_brightness_def_get, 710 snc_brightness_def_set, brightness_default_validate, 0), 711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), 712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), 713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, 714 boolean_validate, 0), 715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, 716 boolean_validate, 1), 717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL, 718 boolean_validate, 0), 719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, 720 boolean_validate, 0), 721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, 722 boolean_validate, 0), 723 /* unknown methods */ 724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), 725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), 726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), 727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), 728 SNC_HANDLE_NULL 729 }; 730 731 static acpi_handle sony_nc_acpi_handle; 732 static struct acpi_device *sony_nc_acpi_device = NULL; 733 734 /* 735 * acpi_evaluate_object wrappers 736 * all useful calls into SNC methods take one or zero parameters and return 737 * integers or arrays. 738 */ 739 static union acpi_object *__call_snc_method(acpi_handle handle, char *method, 740 u64 *value) 741 { 742 union acpi_object *result = NULL; 743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; 744 acpi_status status; 745 746 if (value) { 747 struct acpi_object_list params; 748 union acpi_object in; 749 in.type = ACPI_TYPE_INTEGER; 750 in.integer.value = *value; 751 params.count = 1; 752 params.pointer = ∈ 753 status = acpi_evaluate_object(handle, method, ¶ms, &output); 754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, 755 (unsigned int)(*value >> 32), 756 (unsigned int)*value & 0xffffffff); 757 } else { 758 status = acpi_evaluate_object(handle, method, NULL, &output); 759 dprintk("__call_snc_method: [%s]\n", method); 760 } 761 762 if (ACPI_FAILURE(status)) { 763 pr_err("Failed to evaluate [%s]\n", method); 764 return NULL; 765 } 766 767 result = (union acpi_object *) output.pointer; 768 if (!result) 769 dprintk("No return object [%s]\n", method); 770 771 return result; 772 } 773 774 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, 775 int *result) 776 { 777 union acpi_object *object = NULL; 778 if (value) { 779 u64 v = *value; 780 object = __call_snc_method(handle, name, &v); 781 } else 782 object = __call_snc_method(handle, name, NULL); 783 784 if (!object) 785 return -EINVAL; 786 787 if (object->type != ACPI_TYPE_INTEGER) { 788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 789 ACPI_TYPE_INTEGER, object->type); 790 kfree(object); 791 return -EINVAL; 792 } 793 794 if (result) 795 *result = object->integer.value; 796 797 kfree(object); 798 return 0; 799 } 800 801 #define MIN(a, b) (a > b ? b : a) 802 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, 803 void *buffer, size_t buflen) 804 { 805 int ret = 0; 806 size_t len; 807 union acpi_object *object = __call_snc_method(handle, name, value); 808 809 if (!object) 810 return -EINVAL; 811 812 if (object->type == ACPI_TYPE_BUFFER) { 813 len = MIN(buflen, object->buffer.length); 814 memcpy(buffer, object->buffer.pointer, len); 815 816 } else if (object->type == ACPI_TYPE_INTEGER) { 817 len = MIN(buflen, sizeof(object->integer.value)); 818 memcpy(buffer, &object->integer.value, len); 819 820 } else { 821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", 822 ACPI_TYPE_BUFFER, object->type); 823 ret = -EINVAL; 824 } 825 826 kfree(object); 827 return ret; 828 } 829 830 struct sony_nc_handles { 831 u16 cap[0x10]; 832 struct device_attribute devattr; 833 }; 834 835 static struct sony_nc_handles *handles; 836 837 static ssize_t sony_nc_handles_show(struct device *dev, 838 struct device_attribute *attr, char *buffer) 839 { 840 ssize_t len = 0; 841 int i; 842 843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", 845 handles->cap[i]); 846 } 847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); 848 849 return len; 850 } 851 852 static int sony_nc_handles_setup(struct platform_device *pd) 853 { 854 int i, r, result, arg; 855 856 handles = kzalloc(sizeof(*handles), GFP_KERNEL); 857 if (!handles) 858 return -ENOMEM; 859 860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 861 arg = i + 0x20; 862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, 863 &result); 864 if (!r) { 865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", 866 result, i); 867 handles->cap[i] = result; 868 } 869 } 870 871 if (debug) { 872 sysfs_attr_init(&handles->devattr.attr); 873 handles->devattr.attr.name = "handles"; 874 handles->devattr.attr.mode = S_IRUGO; 875 handles->devattr.show = sony_nc_handles_show; 876 877 /* allow reading capabilities via sysfs */ 878 if (device_create_file(&pd->dev, &handles->devattr)) { 879 kfree(handles); 880 handles = NULL; 881 return -1; 882 } 883 } 884 885 return 0; 886 } 887 888 static int sony_nc_handles_cleanup(struct platform_device *pd) 889 { 890 if (handles) { 891 if (debug) 892 device_remove_file(&pd->dev, &handles->devattr); 893 kfree(handles); 894 handles = NULL; 895 } 896 return 0; 897 } 898 899 static int sony_find_snc_handle(int handle) 900 { 901 int i; 902 903 /* not initialized yet, return early */ 904 if (!handles || !handle) 905 return -EINVAL; 906 907 for (i = 0; i < 0x10; i++) { 908 if (handles->cap[i] == handle) { 909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", 910 handle, i); 911 return i; 912 } 913 } 914 dprintk("handle 0x%.4x not found\n", handle); 915 return -EINVAL; 916 } 917 918 static int sony_call_snc_handle(int handle, int argument, int *result) 919 { 920 int arg, ret = 0; 921 int offset = sony_find_snc_handle(handle); 922 923 if (offset < 0) 924 return offset; 925 926 arg = offset | argument; 927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); 928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); 929 return ret; 930 } 931 932 /* 933 * sony_nc_values input/output validate functions 934 */ 935 936 /* brightness_default_validate: 937 * 938 * manipulate input output values to keep consistency with the 939 * backlight framework for which brightness values are 0-based. 940 */ 941 static int brightness_default_validate(const int direction, const int value) 942 { 943 switch (direction) { 944 case SNC_VALIDATE_OUT: 945 return value - 1; 946 case SNC_VALIDATE_IN: 947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS) 948 return value + 1; 949 } 950 return -EINVAL; 951 } 952 953 /* boolean_validate: 954 * 955 * on input validate boolean values 0/1, on output just pass the 956 * received value. 957 */ 958 static int boolean_validate(const int direction, const int value) 959 { 960 if (direction == SNC_VALIDATE_IN) { 961 if (value != 0 && value != 1) 962 return -EINVAL; 963 } 964 return value; 965 } 966 967 /* 968 * Sysfs show/store common to all sony_nc_values 969 */ 970 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, 971 char *buffer) 972 { 973 int value, ret = 0; 974 struct sony_nc_value *item = 975 container_of(attr, struct sony_nc_value, devattr); 976 977 if (!*item->acpiget) 978 return -EIO; 979 980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, 981 &value); 982 if (ret < 0) 983 return -EIO; 984 985 if (item->validate) 986 value = item->validate(SNC_VALIDATE_OUT, value); 987 988 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 989 } 990 991 static ssize_t sony_nc_sysfs_store(struct device *dev, 992 struct device_attribute *attr, 993 const char *buffer, size_t count) 994 { 995 int value; 996 int ret = 0; 997 struct sony_nc_value *item = 998 container_of(attr, struct sony_nc_value, devattr); 999 1000 if (!item->acpiset) 1001 return -EIO; 1002 1003 if (count > 31) 1004 return -EINVAL; 1005 1006 if (kstrtoint(buffer, 10, &value)) 1007 return -EINVAL; 1008 1009 if (item->validate) 1010 value = item->validate(SNC_VALIDATE_IN, value); 1011 1012 if (value < 0) 1013 return value; 1014 1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1016 &value, NULL); 1017 if (ret < 0) 1018 return -EIO; 1019 1020 item->value = value; 1021 item->valid = 1; 1022 return count; 1023 } 1024 1025 1026 /* 1027 * Backlight device 1028 */ 1029 struct sony_backlight_props { 1030 struct backlight_device *dev; 1031 int handle; 1032 int cmd_base; 1033 u8 offset; 1034 u8 maxlvl; 1035 }; 1036 static struct sony_backlight_props sony_bl_props; 1037 1038 static int sony_backlight_update_status(struct backlight_device *bd) 1039 { 1040 int arg = bd->props.brightness + 1; 1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); 1042 } 1043 1044 static int sony_backlight_get_brightness(struct backlight_device *bd) 1045 { 1046 int value; 1047 1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) 1049 return 0; 1050 /* brightness levels are 1-based, while backlight ones are 0-based */ 1051 return value - 1; 1052 } 1053 1054 static int sony_nc_get_brightness_ng(struct backlight_device *bd) 1055 { 1056 int result; 1057 struct sony_backlight_props *sdev = 1058 (struct sony_backlight_props *)bl_get_data(bd); 1059 1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); 1061 1062 return (result & 0xff) - sdev->offset; 1063 } 1064 1065 static int sony_nc_update_status_ng(struct backlight_device *bd) 1066 { 1067 int value, result; 1068 struct sony_backlight_props *sdev = 1069 (struct sony_backlight_props *)bl_get_data(bd); 1070 1071 value = bd->props.brightness + sdev->offset; 1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), 1073 &result)) 1074 return -EIO; 1075 1076 return value; 1077 } 1078 1079 static const struct backlight_ops sony_backlight_ops = { 1080 .options = BL_CORE_SUSPENDRESUME, 1081 .update_status = sony_backlight_update_status, 1082 .get_brightness = sony_backlight_get_brightness, 1083 }; 1084 static const struct backlight_ops sony_backlight_ng_ops = { 1085 .options = BL_CORE_SUSPENDRESUME, 1086 .update_status = sony_nc_update_status_ng, 1087 .get_brightness = sony_nc_get_brightness_ng, 1088 }; 1089 1090 /* 1091 * New SNC-only Vaios event mapping to driver known keys 1092 */ 1093 struct sony_nc_event { 1094 u8 data; 1095 u8 event; 1096 }; 1097 1098 static struct sony_nc_event sony_100_events[] = { 1099 { 0x90, SONYPI_EVENT_PKEY_P1 }, 1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1101 { 0x91, SONYPI_EVENT_PKEY_P2 }, 1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1103 { 0x81, SONYPI_EVENT_FNKEY_F1 }, 1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, 1105 { 0x82, SONYPI_EVENT_FNKEY_F2 }, 1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, 1107 { 0x83, SONYPI_EVENT_FNKEY_F3 }, 1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, 1109 { 0x84, SONYPI_EVENT_FNKEY_F4 }, 1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, 1111 { 0x85, SONYPI_EVENT_FNKEY_F5 }, 1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, 1113 { 0x86, SONYPI_EVENT_FNKEY_F6 }, 1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, 1115 { 0x87, SONYPI_EVENT_FNKEY_F7 }, 1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, 1117 { 0x88, SONYPI_EVENT_FNKEY_F8 }, 1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, 1119 { 0x89, SONYPI_EVENT_FNKEY_F9 }, 1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, 1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 }, 1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, 1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 }, 1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, 1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 }, 1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, 1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, 1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, 1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, 1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, 1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, 1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED }, 1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1139 { 0xa8, SONYPI_EVENT_FNKEY_1 }, 1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1141 { 0, 0 }, 1142 }; 1143 1144 static struct sony_nc_event sony_127_events[] = { 1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, 1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1147 { 0x82, SONYPI_EVENT_PKEY_P1 }, 1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1149 { 0x83, SONYPI_EVENT_PKEY_P2 }, 1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1151 { 0x84, SONYPI_EVENT_PKEY_P3 }, 1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1153 { 0x85, SONYPI_EVENT_PKEY_P4 }, 1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1155 { 0x86, SONYPI_EVENT_PKEY_P5 }, 1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, 1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, 1159 { 0, 0 }, 1160 }; 1161 1162 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) 1163 { 1164 int ret = -EINVAL; 1165 unsigned int result = 0; 1166 struct sony_nc_event *key_event; 1167 1168 if (sony_call_snc_handle(handle, 0x200, &result)) { 1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, 1170 event); 1171 return -EINVAL; 1172 } 1173 1174 result &= 0xFF; 1175 1176 if (handle == 0x0100) 1177 key_event = sony_100_events; 1178 else 1179 key_event = sony_127_events; 1180 1181 for (; key_event->data; key_event++) { 1182 if (key_event->data == result) { 1183 ret = key_event->event; 1184 break; 1185 } 1186 } 1187 1188 if (!key_event->data) 1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", 1190 event, result, handle); 1191 1192 return ret; 1193 } 1194 1195 /* 1196 * ACPI callbacks 1197 */ 1198 enum event_types { 1199 HOTKEY = 1, 1200 KILLSWITCH, 1201 GFX_SWITCH 1202 }; 1203 static void sony_nc_notify(struct acpi_device *device, u32 event) 1204 { 1205 u32 real_ev = event; 1206 u8 ev_type = 0; 1207 int ret; 1208 1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event); 1210 1211 if (event >= 0x90) { 1212 unsigned int result = 0; 1213 unsigned int arg = 0; 1214 unsigned int handle = 0; 1215 unsigned int offset = event - 0x90; 1216 1217 if (offset >= ARRAY_SIZE(handles->cap)) { 1218 pr_err("Event 0x%x outside of capabilities list\n", 1219 event); 1220 return; 1221 } 1222 handle = handles->cap[offset]; 1223 1224 /* list of handles known for generating events */ 1225 switch (handle) { 1226 /* hotkey event */ 1227 case 0x0100: 1228 case 0x0127: 1229 ev_type = HOTKEY; 1230 ret = sony_nc_hotkeys_decode(event, handle); 1231 1232 if (ret > 0) { 1233 sony_laptop_report_input_event(ret); 1234 real_ev = ret; 1235 } 1236 1237 break; 1238 1239 /* wlan switch */ 1240 case 0x0124: 1241 case 0x0135: 1242 /* events on this handle are reported when the 1243 * switch changes position or for battery 1244 * events. We'll notify both of them but only 1245 * update the rfkill device status when the 1246 * switch is moved. 1247 */ 1248 ev_type = KILLSWITCH; 1249 sony_call_snc_handle(handle, 0x0100, &result); 1250 real_ev = result & 0x03; 1251 1252 /* hw switch event */ 1253 if (real_ev == 1) 1254 sony_nc_rfkill_update(); 1255 1256 break; 1257 1258 case 0x0128: 1259 case 0x0146: 1260 /* Hybrid GFX switching */ 1261 sony_call_snc_handle(handle, 0x0000, &result); 1262 dprintk("GFX switch event received (reason: %s)\n", 1263 (result == 0x1) ? "switch change" : 1264 (result == 0x2) ? "output switch" : 1265 (result == 0x3) ? "output switch" : 1266 ""); 1267 1268 ev_type = GFX_SWITCH; 1269 real_ev = __sony_nc_gfx_switch_status_get(); 1270 break; 1271 1272 case 0x015B: 1273 /* Hybrid GFX switching SVS151290S */ 1274 ev_type = GFX_SWITCH; 1275 real_ev = __sony_nc_gfx_switch_status_get(); 1276 break; 1277 default: 1278 dprintk("Unknown event 0x%x for handle 0x%x\n", 1279 event, handle); 1280 break; 1281 } 1282 1283 /* clear the event (and the event reason when present) */ 1284 arg = 1 << offset; 1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); 1286 1287 } else { 1288 /* old style event */ 1289 ev_type = HOTKEY; 1290 sony_laptop_report_input_event(real_ev); 1291 } 1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, 1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); 1294 } 1295 1296 static acpi_status sony_walk_callback(acpi_handle handle, u32 level, 1297 void *context, void **return_value) 1298 { 1299 struct acpi_device_info *info; 1300 1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { 1302 pr_warn("method: name: %4.4s, args %X\n", 1303 (char *)&info->name, info->param_count); 1304 1305 kfree(info); 1306 } 1307 1308 return AE_OK; 1309 } 1310 1311 /* 1312 * ACPI device 1313 */ 1314 static void sony_nc_function_setup(struct acpi_device *device, 1315 struct platform_device *pf_device) 1316 { 1317 unsigned int i, result, bitmask, arg; 1318 1319 if (!handles) 1320 return; 1321 1322 /* setup found handles here */ 1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1324 unsigned int handle = handles->cap[i]; 1325 1326 if (!handle) 1327 continue; 1328 1329 dprintk("setting up handle 0x%.4x\n", handle); 1330 1331 switch (handle) { 1332 case 0x0100: 1333 case 0x0101: 1334 case 0x0127: 1335 /* setup hotkeys */ 1336 sony_call_snc_handle(handle, 0, &result); 1337 break; 1338 case 0x0102: 1339 /* setup hotkeys */ 1340 sony_call_snc_handle(handle, 0x100, &result); 1341 break; 1342 case 0x0105: 1343 case 0x0148: 1344 /* touchpad enable/disable */ 1345 result = sony_nc_touchpad_setup(pf_device, handle); 1346 if (result) 1347 pr_err("couldn't set up touchpad control function (%d)\n", 1348 result); 1349 break; 1350 case 0x0115: 1351 case 0x0136: 1352 case 0x013f: 1353 result = sony_nc_battery_care_setup(pf_device, handle); 1354 if (result) 1355 pr_err("couldn't set up battery care function (%d)\n", 1356 result); 1357 break; 1358 case 0x0119: 1359 case 0x015D: 1360 result = sony_nc_lid_resume_setup(pf_device, handle); 1361 if (result) 1362 pr_err("couldn't set up lid resume function (%d)\n", 1363 result); 1364 break; 1365 case 0x0122: 1366 result = sony_nc_thermal_setup(pf_device); 1367 if (result) 1368 pr_err("couldn't set up thermal profile function (%d)\n", 1369 result); 1370 break; 1371 case 0x0128: 1372 case 0x0146: 1373 case 0x015B: 1374 result = sony_nc_gfx_switch_setup(pf_device, handle); 1375 if (result) 1376 pr_err("couldn't set up GFX Switch status (%d)\n", 1377 result); 1378 break; 1379 case 0x0131: 1380 result = sony_nc_highspeed_charging_setup(pf_device); 1381 if (result) 1382 pr_err("couldn't set up high speed charging function (%d)\n", 1383 result); 1384 break; 1385 case 0x0124: 1386 case 0x0135: 1387 result = sony_nc_rfkill_setup(device, handle); 1388 if (result) 1389 pr_err("couldn't set up rfkill support (%d)\n", 1390 result); 1391 break; 1392 case 0x0137: 1393 case 0x0143: 1394 case 0x014b: 1395 case 0x014c: 1396 case 0x0153: 1397 case 0x0163: 1398 result = sony_nc_kbd_backlight_setup(pf_device, handle); 1399 if (result) 1400 pr_err("couldn't set up keyboard backlight function (%d)\n", 1401 result); 1402 break; 1403 case 0x0121: 1404 result = sony_nc_lowbatt_setup(pf_device); 1405 if (result) 1406 pr_err("couldn't set up low battery function (%d)\n", 1407 result); 1408 break; 1409 case 0x0149: 1410 result = sony_nc_fanspeed_setup(pf_device); 1411 if (result) 1412 pr_err("couldn't set up fan speed function (%d)\n", 1413 result); 1414 break; 1415 case 0x0155: 1416 result = sony_nc_usb_charge_setup(pf_device); 1417 if (result) 1418 pr_err("couldn't set up USB charge support (%d)\n", 1419 result); 1420 break; 1421 case 0x011D: 1422 result = sony_nc_panelid_setup(pf_device); 1423 if (result) 1424 pr_err("couldn't set up panel ID function (%d)\n", 1425 result); 1426 break; 1427 case 0x0168: 1428 result = sony_nc_smart_conn_setup(pf_device); 1429 if (result) 1430 pr_err("couldn't set up smart connect support (%d)\n", 1431 result); 1432 break; 1433 default: 1434 continue; 1435 } 1436 } 1437 1438 /* Enable all events */ 1439 arg = 0x10; 1440 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1441 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1442 &result); 1443 } 1444 1445 static void sony_nc_function_cleanup(struct platform_device *pd) 1446 { 1447 unsigned int i, result, bitmask, handle; 1448 1449 /* get enabled events and disable them */ 1450 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1451 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1452 1453 /* cleanup handles here */ 1454 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1455 1456 handle = handles->cap[i]; 1457 1458 if (!handle) 1459 continue; 1460 1461 switch (handle) { 1462 case 0x0105: 1463 case 0x0148: 1464 sony_nc_touchpad_cleanup(pd); 1465 break; 1466 case 0x0115: 1467 case 0x0136: 1468 case 0x013f: 1469 sony_nc_battery_care_cleanup(pd); 1470 break; 1471 case 0x0119: 1472 case 0x015D: 1473 sony_nc_lid_resume_cleanup(pd); 1474 break; 1475 case 0x0122: 1476 sony_nc_thermal_cleanup(pd); 1477 break; 1478 case 0x0128: 1479 case 0x0146: 1480 case 0x015B: 1481 sony_nc_gfx_switch_cleanup(pd); 1482 break; 1483 case 0x0131: 1484 sony_nc_highspeed_charging_cleanup(pd); 1485 break; 1486 case 0x0124: 1487 case 0x0135: 1488 sony_nc_rfkill_cleanup(); 1489 break; 1490 case 0x0137: 1491 case 0x0143: 1492 case 0x014b: 1493 case 0x014c: 1494 case 0x0153: 1495 case 0x0163: 1496 sony_nc_kbd_backlight_cleanup(pd, handle); 1497 break; 1498 case 0x0121: 1499 sony_nc_lowbatt_cleanup(pd); 1500 break; 1501 case 0x0149: 1502 sony_nc_fanspeed_cleanup(pd); 1503 break; 1504 case 0x0155: 1505 sony_nc_usb_charge_cleanup(pd); 1506 break; 1507 case 0x011D: 1508 sony_nc_panelid_cleanup(pd); 1509 break; 1510 case 0x0168: 1511 sony_nc_smart_conn_cleanup(pd); 1512 break; 1513 default: 1514 continue; 1515 } 1516 } 1517 1518 /* finally cleanup the handles list */ 1519 sony_nc_handles_cleanup(pd); 1520 } 1521 1522 #ifdef CONFIG_PM_SLEEP 1523 static void sony_nc_function_resume(void) 1524 { 1525 unsigned int i, result, bitmask, arg; 1526 1527 dprintk("Resuming SNC device\n"); 1528 1529 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1530 unsigned int handle = handles->cap[i]; 1531 1532 if (!handle) 1533 continue; 1534 1535 switch (handle) { 1536 case 0x0100: 1537 case 0x0101: 1538 case 0x0127: 1539 /* re-enable hotkeys */ 1540 sony_call_snc_handle(handle, 0, &result); 1541 break; 1542 case 0x0102: 1543 /* re-enable hotkeys */ 1544 sony_call_snc_handle(handle, 0x100, &result); 1545 break; 1546 case 0x0122: 1547 sony_nc_thermal_resume(); 1548 break; 1549 case 0x0124: 1550 case 0x0135: 1551 sony_nc_rfkill_update(); 1552 break; 1553 default: 1554 continue; 1555 } 1556 } 1557 1558 /* Enable all events */ 1559 arg = 0x10; 1560 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1561 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1562 &result); 1563 } 1564 1565 static int sony_nc_resume(struct device *dev) 1566 { 1567 struct sony_nc_value *item; 1568 1569 for (item = sony_nc_values; item->name; item++) { 1570 int ret; 1571 1572 if (!item->valid) 1573 continue; 1574 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1575 &item->value, NULL); 1576 if (ret < 0) { 1577 pr_err("%s: %d\n", __func__, ret); 1578 break; 1579 } 1580 } 1581 1582 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1583 int arg = 1; 1584 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1585 dprintk("ECON Method failed\n"); 1586 } 1587 1588 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1589 sony_nc_function_resume(); 1590 1591 return 0; 1592 } 1593 #endif 1594 1595 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1596 1597 static void sony_nc_rfkill_cleanup(void) 1598 { 1599 int i; 1600 1601 for (i = 0; i < N_SONY_RFKILL; i++) { 1602 if (sony_rfkill_devices[i]) { 1603 rfkill_unregister(sony_rfkill_devices[i]); 1604 rfkill_destroy(sony_rfkill_devices[i]); 1605 } 1606 } 1607 } 1608 1609 static int sony_nc_rfkill_set(void *data, bool blocked) 1610 { 1611 int result; 1612 int argument = sony_rfkill_address[(long) data] + 0x100; 1613 1614 if (!blocked) 1615 argument |= 0x070000; 1616 1617 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1618 } 1619 1620 static const struct rfkill_ops sony_rfkill_ops = { 1621 .set_block = sony_nc_rfkill_set, 1622 }; 1623 1624 static int sony_nc_setup_rfkill(struct acpi_device *device, 1625 enum sony_nc_rfkill nc_type) 1626 { 1627 int err = 0; 1628 struct rfkill *rfk; 1629 enum rfkill_type type; 1630 const char *name; 1631 int result; 1632 bool hwblock, swblock; 1633 1634 switch (nc_type) { 1635 case SONY_WIFI: 1636 type = RFKILL_TYPE_WLAN; 1637 name = "sony-wifi"; 1638 break; 1639 case SONY_BLUETOOTH: 1640 type = RFKILL_TYPE_BLUETOOTH; 1641 name = "sony-bluetooth"; 1642 break; 1643 case SONY_WWAN: 1644 type = RFKILL_TYPE_WWAN; 1645 name = "sony-wwan"; 1646 break; 1647 case SONY_WIMAX: 1648 type = RFKILL_TYPE_WIMAX; 1649 name = "sony-wimax"; 1650 break; 1651 default: 1652 return -EINVAL; 1653 } 1654 1655 rfk = rfkill_alloc(name, &device->dev, type, 1656 &sony_rfkill_ops, (void *)nc_type); 1657 if (!rfk) 1658 return -ENOMEM; 1659 1660 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1661 rfkill_destroy(rfk); 1662 return -1; 1663 } 1664 hwblock = !(result & 0x1); 1665 1666 if (sony_call_snc_handle(sony_rfkill_handle, 1667 sony_rfkill_address[nc_type], 1668 &result) < 0) { 1669 rfkill_destroy(rfk); 1670 return -1; 1671 } 1672 swblock = !(result & 0x2); 1673 1674 rfkill_init_sw_state(rfk, swblock); 1675 rfkill_set_hw_state(rfk, hwblock); 1676 1677 err = rfkill_register(rfk); 1678 if (err) { 1679 rfkill_destroy(rfk); 1680 return err; 1681 } 1682 sony_rfkill_devices[nc_type] = rfk; 1683 return err; 1684 } 1685 1686 static void sony_nc_rfkill_update(void) 1687 { 1688 enum sony_nc_rfkill i; 1689 int result; 1690 bool hwblock; 1691 1692 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1693 hwblock = !(result & 0x1); 1694 1695 for (i = 0; i < N_SONY_RFKILL; i++) { 1696 int argument = sony_rfkill_address[i]; 1697 1698 if (!sony_rfkill_devices[i]) 1699 continue; 1700 1701 if (hwblock) { 1702 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1703 /* we already know we're blocked */ 1704 } 1705 continue; 1706 } 1707 1708 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1709 rfkill_set_states(sony_rfkill_devices[i], 1710 !(result & 0x2), false); 1711 } 1712 } 1713 1714 static int sony_nc_rfkill_setup(struct acpi_device *device, 1715 unsigned int handle) 1716 { 1717 u64 offset; 1718 int i; 1719 unsigned char buffer[32] = { 0 }; 1720 1721 offset = sony_find_snc_handle(handle); 1722 sony_rfkill_handle = handle; 1723 1724 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1725 32); 1726 if (i < 0) 1727 return i; 1728 1729 /* The buffer is filled with magic numbers describing the devices 1730 * available, 0xff terminates the enumeration. 1731 * Known codes: 1732 * 0x00 WLAN 1733 * 0x10 BLUETOOTH 1734 * 0x20 WWAN GPRS-EDGE 1735 * 0x21 WWAN HSDPA 1736 * 0x22 WWAN EV-DO 1737 * 0x23 WWAN GPS 1738 * 0x25 Gobi WWAN no GPS 1739 * 0x26 Gobi WWAN + GPS 1740 * 0x28 Gobi WWAN no GPS 1741 * 0x29 Gobi WWAN + GPS 1742 * 0x30 WIMAX 1743 * 0x50 Gobi WWAN no GPS 1744 * 0x51 Gobi WWAN + GPS 1745 * 0x70 no SIM card slot 1746 * 0x71 SIM card slot 1747 */ 1748 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1749 1750 if (buffer[i] == 0xff) 1751 break; 1752 1753 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1754 1755 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1756 sony_nc_setup_rfkill(device, SONY_WIFI); 1757 1758 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1759 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1760 1761 if (((0xf0 & buffer[i]) == 0x20 || 1762 (0xf0 & buffer[i]) == 0x50) && 1763 !sony_rfkill_devices[SONY_WWAN]) 1764 sony_nc_setup_rfkill(device, SONY_WWAN); 1765 1766 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1767 sony_nc_setup_rfkill(device, SONY_WIMAX); 1768 } 1769 return 0; 1770 } 1771 1772 /* Keyboard backlight feature */ 1773 struct kbd_backlight { 1774 unsigned int handle; 1775 unsigned int base; 1776 unsigned int mode; 1777 unsigned int timeout; 1778 unsigned int has_timeout; 1779 struct device_attribute mode_attr; 1780 struct device_attribute timeout_attr; 1781 }; 1782 1783 static struct kbd_backlight *kbdbl_ctl; 1784 1785 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1786 { 1787 int result; 1788 1789 if (value > 2) 1790 return -EINVAL; 1791 1792 if (sony_call_snc_handle(kbdbl_ctl->handle, 1793 (value << 0x10) | (kbdbl_ctl->base), &result)) 1794 return -EIO; 1795 1796 /* Try to turn the light on/off immediately */ 1797 if (value != 1) 1798 sony_call_snc_handle(kbdbl_ctl->handle, 1799 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1800 &result); 1801 1802 kbdbl_ctl->mode = value; 1803 1804 return 0; 1805 } 1806 1807 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1808 struct device_attribute *attr, 1809 const char *buffer, size_t count) 1810 { 1811 int ret = 0; 1812 unsigned long value; 1813 1814 if (count > 31) 1815 return -EINVAL; 1816 1817 if (kstrtoul(buffer, 10, &value)) 1818 return -EINVAL; 1819 1820 ret = __sony_nc_kbd_backlight_mode_set(value); 1821 if (ret < 0) 1822 return ret; 1823 1824 return count; 1825 } 1826 1827 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1828 struct device_attribute *attr, char *buffer) 1829 { 1830 ssize_t count = 0; 1831 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1832 return count; 1833 } 1834 1835 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1836 { 1837 int result; 1838 1839 if (value > 3) 1840 return -EINVAL; 1841 1842 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1843 (kbdbl_ctl->base + 0x200), &result)) 1844 return -EIO; 1845 1846 kbdbl_ctl->timeout = value; 1847 1848 return 0; 1849 } 1850 1851 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1852 struct device_attribute *attr, 1853 const char *buffer, size_t count) 1854 { 1855 int ret = 0; 1856 unsigned long value; 1857 1858 if (count > 31) 1859 return -EINVAL; 1860 1861 if (kstrtoul(buffer, 10, &value)) 1862 return -EINVAL; 1863 1864 ret = __sony_nc_kbd_backlight_timeout_set(value); 1865 if (ret < 0) 1866 return ret; 1867 1868 return count; 1869 } 1870 1871 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1872 struct device_attribute *attr, char *buffer) 1873 { 1874 ssize_t count = 0; 1875 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1876 return count; 1877 } 1878 1879 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1880 unsigned int handle) 1881 { 1882 int result; 1883 int probe_base = 0; 1884 int ctl_base = 0; 1885 int ret = 0; 1886 1887 if (kbdbl_ctl) { 1888 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1889 handle, kbdbl_ctl->handle); 1890 return -EBUSY; 1891 } 1892 1893 /* verify the kbd backlight presence, some of these handles are not used 1894 * for keyboard backlight only 1895 */ 1896 switch (handle) { 1897 case 0x0153: 1898 probe_base = 0x0; 1899 ctl_base = 0x0; 1900 break; 1901 case 0x0137: 1902 probe_base = 0x0B00; 1903 ctl_base = 0x0C00; 1904 break; 1905 default: 1906 probe_base = 0x0100; 1907 ctl_base = 0x4000; 1908 break; 1909 } 1910 1911 ret = sony_call_snc_handle(handle, probe_base, &result); 1912 if (ret) 1913 return ret; 1914 1915 if ((handle == 0x0137 && !(result & 0x02)) || 1916 !(result & 0x01)) { 1917 dprintk("no backlight keyboard found\n"); 1918 return 0; 1919 } 1920 1921 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1922 if (!kbdbl_ctl) 1923 return -ENOMEM; 1924 1925 kbdbl_ctl->mode = kbd_backlight; 1926 kbdbl_ctl->timeout = kbd_backlight_timeout; 1927 kbdbl_ctl->handle = handle; 1928 kbdbl_ctl->base = ctl_base; 1929 /* Some models do not allow timeout control */ 1930 kbdbl_ctl->has_timeout = handle != 0x0153; 1931 1932 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1933 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1934 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1935 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1936 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1937 1938 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1939 if (ret) 1940 goto outkzalloc; 1941 1942 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1943 1944 if (kbdbl_ctl->has_timeout) { 1945 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1946 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1947 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1948 kbdbl_ctl->timeout_attr.show = 1949 sony_nc_kbd_backlight_timeout_show; 1950 kbdbl_ctl->timeout_attr.store = 1951 sony_nc_kbd_backlight_timeout_store; 1952 1953 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1954 if (ret) 1955 goto outmode; 1956 1957 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1958 } 1959 1960 1961 return 0; 1962 1963 outmode: 1964 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1965 outkzalloc: 1966 kfree(kbdbl_ctl); 1967 kbdbl_ctl = NULL; 1968 return ret; 1969 } 1970 1971 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1972 unsigned int handle) 1973 { 1974 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1975 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1976 if (kbdbl_ctl->has_timeout) 1977 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1978 kfree(kbdbl_ctl); 1979 kbdbl_ctl = NULL; 1980 } 1981 } 1982 1983 struct battery_care_control { 1984 struct device_attribute attrs[2]; 1985 unsigned int handle; 1986 }; 1987 static struct battery_care_control *bcare_ctl; 1988 1989 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1990 struct device_attribute *attr, 1991 const char *buffer, size_t count) 1992 { 1993 unsigned int result, cmd; 1994 unsigned long value; 1995 1996 if (count > 31) 1997 return -EINVAL; 1998 1999 if (kstrtoul(buffer, 10, &value)) 2000 return -EINVAL; 2001 2002 /* limit values (2 bits): 2003 * 00 - none 2004 * 01 - 80% 2005 * 10 - 50% 2006 * 11 - 100% 2007 * 2008 * bit 0: 0 disable BCL, 1 enable BCL 2009 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 2010 * bits 2,3: reserved 2011 * bits 4,5: store the limit into the EC 2012 * bits 6,7: store the limit into the battery 2013 */ 2014 cmd = 0; 2015 2016 if (value > 0) { 2017 if (value <= 50) 2018 cmd = 0x20; 2019 2020 else if (value <= 80) 2021 cmd = 0x10; 2022 2023 else if (value <= 100) 2024 cmd = 0x30; 2025 2026 else 2027 return -EINVAL; 2028 2029 /* 2030 * handle 0x0115 should allow storing on battery too; 2031 * handle 0x0136 same as 0x0115 + health status; 2032 * handle 0x013f, same as 0x0136 but no storing on the battery 2033 */ 2034 if (bcare_ctl->handle != 0x013f) 2035 cmd = cmd | (cmd << 2); 2036 2037 cmd = (cmd | 0x1) << 0x10; 2038 } 2039 2040 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2041 return -EIO; 2042 2043 return count; 2044 } 2045 2046 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2047 struct device_attribute *attr, char *buffer) 2048 { 2049 unsigned int result, status; 2050 2051 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2052 return -EIO; 2053 2054 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2055 switch (status) { 2056 case 1: 2057 status = 80; 2058 break; 2059 case 2: 2060 status = 50; 2061 break; 2062 case 3: 2063 status = 100; 2064 break; 2065 default: 2066 status = 0; 2067 break; 2068 } 2069 2070 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2071 } 2072 2073 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2074 struct device_attribute *attr, char *buffer) 2075 { 2076 ssize_t count = 0; 2077 unsigned int health; 2078 2079 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2080 return -EIO; 2081 2082 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2083 2084 return count; 2085 } 2086 2087 static int sony_nc_battery_care_setup(struct platform_device *pd, 2088 unsigned int handle) 2089 { 2090 int ret = 0; 2091 2092 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2093 if (!bcare_ctl) 2094 return -ENOMEM; 2095 2096 bcare_ctl->handle = handle; 2097 2098 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2099 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2100 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2101 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2102 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2103 2104 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2105 if (ret) 2106 goto outkzalloc; 2107 2108 /* 0x0115 is for models with no health reporting capability */ 2109 if (handle == 0x0115) 2110 return 0; 2111 2112 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2113 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2114 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2115 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2116 2117 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2118 if (ret) 2119 goto outlimiter; 2120 2121 return 0; 2122 2123 outlimiter: 2124 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2125 2126 outkzalloc: 2127 kfree(bcare_ctl); 2128 bcare_ctl = NULL; 2129 2130 return ret; 2131 } 2132 2133 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2134 { 2135 if (bcare_ctl) { 2136 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2137 if (bcare_ctl->handle != 0x0115) 2138 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2139 2140 kfree(bcare_ctl); 2141 bcare_ctl = NULL; 2142 } 2143 } 2144 2145 struct snc_thermal_ctrl { 2146 unsigned int mode; 2147 unsigned int profiles; 2148 struct device_attribute mode_attr; 2149 struct device_attribute profiles_attr; 2150 }; 2151 static struct snc_thermal_ctrl *th_handle; 2152 2153 #define THM_PROFILE_MAX 3 2154 static const char * const snc_thermal_profiles[] = { 2155 "balanced", 2156 "silent", 2157 "performance" 2158 }; 2159 2160 static int sony_nc_thermal_mode_set(unsigned short mode) 2161 { 2162 unsigned int result; 2163 2164 /* the thermal profile seems to be a two bit bitmask: 2165 * lsb -> silent 2166 * msb -> performance 2167 * no bit set is the normal operation and is always valid 2168 * Some vaio models only have "balanced" and "performance" 2169 */ 2170 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2171 return -EINVAL; 2172 2173 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2174 return -EIO; 2175 2176 th_handle->mode = mode; 2177 2178 return 0; 2179 } 2180 2181 static int sony_nc_thermal_mode_get(void) 2182 { 2183 unsigned int result; 2184 2185 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2186 return -EIO; 2187 2188 return result & 0xff; 2189 } 2190 2191 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2192 struct device_attribute *attr, char *buffer) 2193 { 2194 short cnt; 2195 size_t idx = 0; 2196 2197 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2198 if (!cnt || (th_handle->profiles & cnt)) 2199 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2200 snc_thermal_profiles[cnt]); 2201 } 2202 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2203 2204 return idx; 2205 } 2206 2207 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2208 struct device_attribute *attr, 2209 const char *buffer, size_t count) 2210 { 2211 unsigned short cmd; 2212 size_t len = count; 2213 2214 if (count == 0) 2215 return -EINVAL; 2216 2217 /* skip the newline if present */ 2218 if (buffer[len - 1] == '\n') 2219 len--; 2220 2221 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2222 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2223 break; 2224 2225 if (sony_nc_thermal_mode_set(cmd)) 2226 return -EIO; 2227 2228 return count; 2229 } 2230 2231 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2232 struct device_attribute *attr, char *buffer) 2233 { 2234 ssize_t count = 0; 2235 int mode = sony_nc_thermal_mode_get(); 2236 2237 if (mode < 0) 2238 return mode; 2239 2240 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2241 2242 return count; 2243 } 2244 2245 static int sony_nc_thermal_setup(struct platform_device *pd) 2246 { 2247 int ret = 0; 2248 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2249 if (!th_handle) 2250 return -ENOMEM; 2251 2252 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2253 if (ret) { 2254 pr_warn("couldn't to read the thermal profiles\n"); 2255 goto outkzalloc; 2256 } 2257 2258 ret = sony_nc_thermal_mode_get(); 2259 if (ret < 0) { 2260 pr_warn("couldn't to read the current thermal profile"); 2261 goto outkzalloc; 2262 } 2263 th_handle->mode = ret; 2264 2265 sysfs_attr_init(&th_handle->profiles_attr.attr); 2266 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2267 th_handle->profiles_attr.attr.mode = S_IRUGO; 2268 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2269 2270 sysfs_attr_init(&th_handle->mode_attr.attr); 2271 th_handle->mode_attr.attr.name = "thermal_control"; 2272 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2273 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2274 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2275 2276 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2277 if (ret) 2278 goto outkzalloc; 2279 2280 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2281 if (ret) 2282 goto outprofiles; 2283 2284 return 0; 2285 2286 outprofiles: 2287 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2288 outkzalloc: 2289 kfree(th_handle); 2290 th_handle = NULL; 2291 return ret; 2292 } 2293 2294 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2295 { 2296 if (th_handle) { 2297 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2298 device_remove_file(&pd->dev, &th_handle->mode_attr); 2299 kfree(th_handle); 2300 th_handle = NULL; 2301 } 2302 } 2303 2304 #ifdef CONFIG_PM_SLEEP 2305 static void sony_nc_thermal_resume(void) 2306 { 2307 unsigned int status = sony_nc_thermal_mode_get(); 2308 2309 if (status != th_handle->mode) 2310 sony_nc_thermal_mode_set(th_handle->mode); 2311 } 2312 #endif 2313 2314 /* resume on LID open */ 2315 #define LID_RESUME_S5 0 2316 #define LID_RESUME_S4 1 2317 #define LID_RESUME_S3 2 2318 #define LID_RESUME_MAX 3 2319 struct snc_lid_resume_control { 2320 struct device_attribute attrs[LID_RESUME_MAX]; 2321 unsigned int status; 2322 int handle; 2323 }; 2324 static struct snc_lid_resume_control *lid_ctl; 2325 2326 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2327 struct device_attribute *attr, 2328 const char *buffer, size_t count) 2329 { 2330 unsigned int result; 2331 unsigned long value; 2332 unsigned int pos = LID_RESUME_S5; 2333 if (count > 31) 2334 return -EINVAL; 2335 2336 if (kstrtoul(buffer, 10, &value) || value > 1) 2337 return -EINVAL; 2338 2339 /* the value we have to write to SNC is a bitmask: 2340 * +--------------+ 2341 * | S3 | S4 | S5 | 2342 * +--------------+ 2343 * 2 1 0 2344 */ 2345 while (pos < LID_RESUME_MAX) { 2346 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2347 break; 2348 pos++; 2349 } 2350 if (pos == LID_RESUME_MAX) 2351 return -EINVAL; 2352 2353 if (value) 2354 value = lid_ctl->status | (1 << pos); 2355 else 2356 value = lid_ctl->status & ~(1 << pos); 2357 2358 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2359 &result)) 2360 return -EIO; 2361 2362 lid_ctl->status = value; 2363 2364 return count; 2365 } 2366 2367 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2368 struct device_attribute *attr, 2369 char *buffer) 2370 { 2371 unsigned int pos = LID_RESUME_S5; 2372 2373 while (pos < LID_RESUME_MAX) { 2374 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2375 return snprintf(buffer, PAGE_SIZE, "%d\n", 2376 (lid_ctl->status >> pos) & 0x01); 2377 pos++; 2378 } 2379 return -EINVAL; 2380 } 2381 2382 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2383 unsigned int handle) 2384 { 2385 unsigned int result; 2386 int i; 2387 2388 if (sony_call_snc_handle(handle, 0x0000, &result)) 2389 return -EIO; 2390 2391 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2392 if (!lid_ctl) 2393 return -ENOMEM; 2394 2395 lid_ctl->status = result & 0x7; 2396 lid_ctl->handle = handle; 2397 2398 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2399 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2400 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2401 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2402 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2403 2404 if (handle == 0x0119) { 2405 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2406 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2407 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2408 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2409 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2410 2411 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2412 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2413 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2414 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2415 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2416 } 2417 for (i = 0; i < LID_RESUME_MAX && 2418 lid_ctl->attrs[i].attr.name; i++) { 2419 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2420 if (result) 2421 goto liderror; 2422 } 2423 2424 return 0; 2425 2426 liderror: 2427 for (i--; i >= 0; i--) 2428 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2429 2430 kfree(lid_ctl); 2431 lid_ctl = NULL; 2432 2433 return result; 2434 } 2435 2436 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2437 { 2438 int i; 2439 2440 if (lid_ctl) { 2441 for (i = 0; i < LID_RESUME_MAX; i++) { 2442 if (!lid_ctl->attrs[i].attr.name) 2443 break; 2444 2445 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2446 } 2447 2448 kfree(lid_ctl); 2449 lid_ctl = NULL; 2450 } 2451 } 2452 2453 /* GFX Switch position */ 2454 enum gfx_switch { 2455 SPEED, 2456 STAMINA, 2457 AUTO 2458 }; 2459 struct snc_gfx_switch_control { 2460 struct device_attribute attr; 2461 unsigned int handle; 2462 }; 2463 static struct snc_gfx_switch_control *gfxs_ctl; 2464 2465 /* returns 0 for speed, 1 for stamina */ 2466 static int __sony_nc_gfx_switch_status_get(void) 2467 { 2468 unsigned int result; 2469 2470 if (sony_call_snc_handle(gfxs_ctl->handle, 2471 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2472 &result)) 2473 return -EIO; 2474 2475 switch (gfxs_ctl->handle) { 2476 case 0x0146: 2477 /* 1: discrete GFX (speed) 2478 * 0: integrated GFX (stamina) 2479 */ 2480 return result & 0x1 ? SPEED : STAMINA; 2481 break; 2482 case 0x015B: 2483 /* 0: discrete GFX (speed) 2484 * 1: integrated GFX (stamina) 2485 */ 2486 return result & 0x1 ? STAMINA : SPEED; 2487 break; 2488 case 0x0128: 2489 /* it's a more elaborated bitmask, for now: 2490 * 2: integrated GFX (stamina) 2491 * 0: discrete GFX (speed) 2492 */ 2493 dprintk("GFX Status: 0x%x\n", result); 2494 return result & 0x80 ? AUTO : 2495 result & 0x02 ? STAMINA : SPEED; 2496 break; 2497 } 2498 return -EINVAL; 2499 } 2500 2501 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2502 struct device_attribute *attr, 2503 char *buffer) 2504 { 2505 int pos = __sony_nc_gfx_switch_status_get(); 2506 2507 if (pos < 0) 2508 return pos; 2509 2510 return snprintf(buffer, PAGE_SIZE, "%s\n", 2511 pos == SPEED ? "speed" : 2512 pos == STAMINA ? "stamina" : 2513 pos == AUTO ? "auto" : "unknown"); 2514 } 2515 2516 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2517 unsigned int handle) 2518 { 2519 unsigned int result; 2520 2521 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2522 if (!gfxs_ctl) 2523 return -ENOMEM; 2524 2525 gfxs_ctl->handle = handle; 2526 2527 sysfs_attr_init(&gfxs_ctl->attr.attr); 2528 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2529 gfxs_ctl->attr.attr.mode = S_IRUGO; 2530 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2531 2532 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2533 if (result) 2534 goto gfxerror; 2535 2536 return 0; 2537 2538 gfxerror: 2539 kfree(gfxs_ctl); 2540 gfxs_ctl = NULL; 2541 2542 return result; 2543 } 2544 2545 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2546 { 2547 if (gfxs_ctl) { 2548 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2549 2550 kfree(gfxs_ctl); 2551 gfxs_ctl = NULL; 2552 } 2553 } 2554 2555 /* High speed charging function */ 2556 static struct device_attribute *hsc_handle; 2557 2558 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2559 struct device_attribute *attr, 2560 const char *buffer, size_t count) 2561 { 2562 unsigned int result; 2563 unsigned long value; 2564 2565 if (count > 31) 2566 return -EINVAL; 2567 2568 if (kstrtoul(buffer, 10, &value) || value > 1) 2569 return -EINVAL; 2570 2571 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2572 return -EIO; 2573 2574 return count; 2575 } 2576 2577 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2578 struct device_attribute *attr, char *buffer) 2579 { 2580 unsigned int result; 2581 2582 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2583 return -EIO; 2584 2585 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2586 } 2587 2588 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2589 { 2590 unsigned int result; 2591 2592 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2593 /* some models advertise the handle but have no implementation 2594 * for it 2595 */ 2596 pr_info("No High Speed Charging capability found\n"); 2597 return 0; 2598 } 2599 2600 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2601 if (!hsc_handle) 2602 return -ENOMEM; 2603 2604 sysfs_attr_init(&hsc_handle->attr); 2605 hsc_handle->attr.name = "battery_highspeed_charging"; 2606 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2607 hsc_handle->show = sony_nc_highspeed_charging_show; 2608 hsc_handle->store = sony_nc_highspeed_charging_store; 2609 2610 result = device_create_file(&pd->dev, hsc_handle); 2611 if (result) { 2612 kfree(hsc_handle); 2613 hsc_handle = NULL; 2614 return result; 2615 } 2616 2617 return 0; 2618 } 2619 2620 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2621 { 2622 if (hsc_handle) { 2623 device_remove_file(&pd->dev, hsc_handle); 2624 kfree(hsc_handle); 2625 hsc_handle = NULL; 2626 } 2627 } 2628 2629 /* low battery function */ 2630 static struct device_attribute *lowbatt_handle; 2631 2632 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2633 struct device_attribute *attr, 2634 const char *buffer, size_t count) 2635 { 2636 unsigned int result; 2637 unsigned long value; 2638 2639 if (count > 31) 2640 return -EINVAL; 2641 2642 if (kstrtoul(buffer, 10, &value) || value > 1) 2643 return -EINVAL; 2644 2645 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2646 return -EIO; 2647 2648 return count; 2649 } 2650 2651 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2652 struct device_attribute *attr, char *buffer) 2653 { 2654 unsigned int result; 2655 2656 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2657 return -EIO; 2658 2659 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2660 } 2661 2662 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2663 { 2664 unsigned int result; 2665 2666 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2667 if (!lowbatt_handle) 2668 return -ENOMEM; 2669 2670 sysfs_attr_init(&lowbatt_handle->attr); 2671 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2672 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2673 lowbatt_handle->show = sony_nc_lowbatt_show; 2674 lowbatt_handle->store = sony_nc_lowbatt_store; 2675 2676 result = device_create_file(&pd->dev, lowbatt_handle); 2677 if (result) { 2678 kfree(lowbatt_handle); 2679 lowbatt_handle = NULL; 2680 return result; 2681 } 2682 2683 return 0; 2684 } 2685 2686 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2687 { 2688 if (lowbatt_handle) { 2689 device_remove_file(&pd->dev, lowbatt_handle); 2690 kfree(lowbatt_handle); 2691 lowbatt_handle = NULL; 2692 } 2693 } 2694 2695 /* fan speed function */ 2696 static struct device_attribute *fan_handle, *hsf_handle; 2697 2698 static ssize_t sony_nc_hsfan_store(struct device *dev, 2699 struct device_attribute *attr, 2700 const char *buffer, size_t count) 2701 { 2702 unsigned int result; 2703 unsigned long value; 2704 2705 if (count > 31) 2706 return -EINVAL; 2707 2708 if (kstrtoul(buffer, 10, &value) || value > 1) 2709 return -EINVAL; 2710 2711 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2712 return -EIO; 2713 2714 return count; 2715 } 2716 2717 static ssize_t sony_nc_hsfan_show(struct device *dev, 2718 struct device_attribute *attr, char *buffer) 2719 { 2720 unsigned int result; 2721 2722 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2723 return -EIO; 2724 2725 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2726 } 2727 2728 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2729 struct device_attribute *attr, char *buffer) 2730 { 2731 unsigned int result; 2732 2733 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2734 return -EIO; 2735 2736 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2737 } 2738 2739 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2740 { 2741 unsigned int result; 2742 2743 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2744 if (!fan_handle) 2745 return -ENOMEM; 2746 2747 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2748 if (!hsf_handle) { 2749 result = -ENOMEM; 2750 goto out_hsf_handle_alloc; 2751 } 2752 2753 sysfs_attr_init(&fan_handle->attr); 2754 fan_handle->attr.name = "fanspeed"; 2755 fan_handle->attr.mode = S_IRUGO; 2756 fan_handle->show = sony_nc_fanspeed_show; 2757 fan_handle->store = NULL; 2758 2759 sysfs_attr_init(&hsf_handle->attr); 2760 hsf_handle->attr.name = "fan_forced"; 2761 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2762 hsf_handle->show = sony_nc_hsfan_show; 2763 hsf_handle->store = sony_nc_hsfan_store; 2764 2765 result = device_create_file(&pd->dev, fan_handle); 2766 if (result) 2767 goto out_fan_handle; 2768 2769 result = device_create_file(&pd->dev, hsf_handle); 2770 if (result) 2771 goto out_hsf_handle; 2772 2773 return 0; 2774 2775 out_hsf_handle: 2776 device_remove_file(&pd->dev, fan_handle); 2777 2778 out_fan_handle: 2779 kfree(hsf_handle); 2780 hsf_handle = NULL; 2781 2782 out_hsf_handle_alloc: 2783 kfree(fan_handle); 2784 fan_handle = NULL; 2785 return result; 2786 } 2787 2788 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2789 { 2790 if (fan_handle) { 2791 device_remove_file(&pd->dev, fan_handle); 2792 kfree(fan_handle); 2793 fan_handle = NULL; 2794 } 2795 if (hsf_handle) { 2796 device_remove_file(&pd->dev, hsf_handle); 2797 kfree(hsf_handle); 2798 hsf_handle = NULL; 2799 } 2800 } 2801 2802 /* USB charge function */ 2803 static struct device_attribute *uc_handle; 2804 2805 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2806 struct device_attribute *attr, 2807 const char *buffer, size_t count) 2808 { 2809 unsigned int result; 2810 unsigned long value; 2811 2812 if (count > 31) 2813 return -EINVAL; 2814 2815 if (kstrtoul(buffer, 10, &value) || value > 1) 2816 return -EINVAL; 2817 2818 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2819 return -EIO; 2820 2821 return count; 2822 } 2823 2824 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2825 struct device_attribute *attr, char *buffer) 2826 { 2827 unsigned int result; 2828 2829 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2830 return -EIO; 2831 2832 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2833 } 2834 2835 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2836 { 2837 unsigned int result; 2838 2839 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2840 /* some models advertise the handle but have no implementation 2841 * for it 2842 */ 2843 pr_info("No USB Charge capability found\n"); 2844 return 0; 2845 } 2846 2847 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2848 if (!uc_handle) 2849 return -ENOMEM; 2850 2851 sysfs_attr_init(&uc_handle->attr); 2852 uc_handle->attr.name = "usb_charge"; 2853 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2854 uc_handle->show = sony_nc_usb_charge_show; 2855 uc_handle->store = sony_nc_usb_charge_store; 2856 2857 result = device_create_file(&pd->dev, uc_handle); 2858 if (result) { 2859 kfree(uc_handle); 2860 uc_handle = NULL; 2861 return result; 2862 } 2863 2864 return 0; 2865 } 2866 2867 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2868 { 2869 if (uc_handle) { 2870 device_remove_file(&pd->dev, uc_handle); 2871 kfree(uc_handle); 2872 uc_handle = NULL; 2873 } 2874 } 2875 2876 /* Panel ID function */ 2877 static struct device_attribute *panel_handle; 2878 2879 static ssize_t sony_nc_panelid_show(struct device *dev, 2880 struct device_attribute *attr, char *buffer) 2881 { 2882 unsigned int result; 2883 2884 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2885 return -EIO; 2886 2887 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2888 } 2889 2890 static int sony_nc_panelid_setup(struct platform_device *pd) 2891 { 2892 unsigned int result; 2893 2894 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2895 if (!panel_handle) 2896 return -ENOMEM; 2897 2898 sysfs_attr_init(&panel_handle->attr); 2899 panel_handle->attr.name = "panel_id"; 2900 panel_handle->attr.mode = S_IRUGO; 2901 panel_handle->show = sony_nc_panelid_show; 2902 panel_handle->store = NULL; 2903 2904 result = device_create_file(&pd->dev, panel_handle); 2905 if (result) { 2906 kfree(panel_handle); 2907 panel_handle = NULL; 2908 return result; 2909 } 2910 2911 return 0; 2912 } 2913 2914 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2915 { 2916 if (panel_handle) { 2917 device_remove_file(&pd->dev, panel_handle); 2918 kfree(panel_handle); 2919 panel_handle = NULL; 2920 } 2921 } 2922 2923 /* smart connect function */ 2924 static struct device_attribute *sc_handle; 2925 2926 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2927 struct device_attribute *attr, 2928 const char *buffer, size_t count) 2929 { 2930 unsigned int result; 2931 unsigned long value; 2932 2933 if (count > 31) 2934 return -EINVAL; 2935 2936 if (kstrtoul(buffer, 10, &value) || value > 1) 2937 return -EINVAL; 2938 2939 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2940 return -EIO; 2941 2942 return count; 2943 } 2944 2945 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2946 { 2947 unsigned int result; 2948 2949 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2950 if (!sc_handle) 2951 return -ENOMEM; 2952 2953 sysfs_attr_init(&sc_handle->attr); 2954 sc_handle->attr.name = "smart_connect"; 2955 sc_handle->attr.mode = S_IWUSR; 2956 sc_handle->show = NULL; 2957 sc_handle->store = sony_nc_smart_conn_store; 2958 2959 result = device_create_file(&pd->dev, sc_handle); 2960 if (result) { 2961 kfree(sc_handle); 2962 sc_handle = NULL; 2963 return result; 2964 } 2965 2966 return 0; 2967 } 2968 2969 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2970 { 2971 if (sc_handle) { 2972 device_remove_file(&pd->dev, sc_handle); 2973 kfree(sc_handle); 2974 sc_handle = NULL; 2975 } 2976 } 2977 2978 /* Touchpad enable/disable */ 2979 struct touchpad_control { 2980 struct device_attribute attr; 2981 int handle; 2982 }; 2983 static struct touchpad_control *tp_ctl; 2984 2985 static ssize_t sony_nc_touchpad_store(struct device *dev, 2986 struct device_attribute *attr, const char *buffer, size_t count) 2987 { 2988 unsigned int result; 2989 unsigned long value; 2990 2991 if (count > 31) 2992 return -EINVAL; 2993 2994 if (kstrtoul(buffer, 10, &value) || value > 1) 2995 return -EINVAL; 2996 2997 /* sysfs: 0 disabled, 1 enabled 2998 * EC: 0 enabled, 1 disabled 2999 */ 3000 if (sony_call_snc_handle(tp_ctl->handle, 3001 (!value << 0x10) | 0x100, &result)) 3002 return -EIO; 3003 3004 return count; 3005 } 3006 3007 static ssize_t sony_nc_touchpad_show(struct device *dev, 3008 struct device_attribute *attr, char *buffer) 3009 { 3010 unsigned int result; 3011 3012 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 3013 return -EINVAL; 3014 3015 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 3016 } 3017 3018 static int sony_nc_touchpad_setup(struct platform_device *pd, 3019 unsigned int handle) 3020 { 3021 int ret = 0; 3022 3023 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3024 if (!tp_ctl) 3025 return -ENOMEM; 3026 3027 tp_ctl->handle = handle; 3028 3029 sysfs_attr_init(&tp_ctl->attr.attr); 3030 tp_ctl->attr.attr.name = "touchpad"; 3031 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3032 tp_ctl->attr.show = sony_nc_touchpad_show; 3033 tp_ctl->attr.store = sony_nc_touchpad_store; 3034 3035 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3036 if (ret) { 3037 kfree(tp_ctl); 3038 tp_ctl = NULL; 3039 } 3040 3041 return ret; 3042 } 3043 3044 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3045 { 3046 if (tp_ctl) { 3047 device_remove_file(&pd->dev, &tp_ctl->attr); 3048 kfree(tp_ctl); 3049 tp_ctl = NULL; 3050 } 3051 } 3052 3053 static void sony_nc_backlight_ng_read_limits(int handle, 3054 struct sony_backlight_props *props) 3055 { 3056 u64 offset; 3057 int i; 3058 int lvl_table_len = 0; 3059 u8 min = 0xff, max = 0x00; 3060 unsigned char buffer[32] = { 0 }; 3061 3062 props->handle = handle; 3063 props->offset = 0; 3064 props->maxlvl = 0xff; 3065 3066 offset = sony_find_snc_handle(handle); 3067 3068 /* try to read the boundaries from ACPI tables, if we fail the above 3069 * defaults should be reasonable 3070 */ 3071 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3072 32); 3073 if (i < 0) 3074 return; 3075 3076 switch (handle) { 3077 case 0x012f: 3078 case 0x0137: 3079 lvl_table_len = 9; 3080 break; 3081 case 0x143: 3082 case 0x14b: 3083 case 0x14c: 3084 lvl_table_len = 16; 3085 break; 3086 } 3087 3088 /* the buffer lists brightness levels available, brightness levels are 3089 * from position 0 to 8 in the array, other values are used by ALS 3090 * control. 3091 */ 3092 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3093 3094 dprintk("Brightness level: %d\n", buffer[i]); 3095 3096 if (!buffer[i]) 3097 break; 3098 3099 if (buffer[i] > max) 3100 max = buffer[i]; 3101 if (buffer[i] < min) 3102 min = buffer[i]; 3103 } 3104 props->offset = min; 3105 props->maxlvl = max; 3106 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3107 props->maxlvl); 3108 } 3109 3110 static void sony_nc_backlight_setup(void) 3111 { 3112 int max_brightness = 0; 3113 const struct backlight_ops *ops = NULL; 3114 struct backlight_properties props; 3115 3116 if (sony_find_snc_handle(0x12f) >= 0) { 3117 ops = &sony_backlight_ng_ops; 3118 sony_bl_props.cmd_base = 0x0100; 3119 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3120 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3121 3122 } else if (sony_find_snc_handle(0x137) >= 0) { 3123 ops = &sony_backlight_ng_ops; 3124 sony_bl_props.cmd_base = 0x0100; 3125 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3126 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3127 3128 } else if (sony_find_snc_handle(0x143) >= 0) { 3129 ops = &sony_backlight_ng_ops; 3130 sony_bl_props.cmd_base = 0x3000; 3131 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3132 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3133 3134 } else if (sony_find_snc_handle(0x14b) >= 0) { 3135 ops = &sony_backlight_ng_ops; 3136 sony_bl_props.cmd_base = 0x3000; 3137 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3138 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3139 3140 } else if (sony_find_snc_handle(0x14c) >= 0) { 3141 ops = &sony_backlight_ng_ops; 3142 sony_bl_props.cmd_base = 0x3000; 3143 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3144 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3145 3146 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3147 ops = &sony_backlight_ops; 3148 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3149 3150 } else 3151 return; 3152 3153 memset(&props, 0, sizeof(struct backlight_properties)); 3154 props.type = BACKLIGHT_PLATFORM; 3155 props.max_brightness = max_brightness; 3156 sony_bl_props.dev = backlight_device_register("sony", NULL, 3157 &sony_bl_props, 3158 ops, &props); 3159 3160 if (IS_ERR(sony_bl_props.dev)) { 3161 pr_warn("unable to register backlight device\n"); 3162 sony_bl_props.dev = NULL; 3163 } else 3164 sony_bl_props.dev->props.brightness = 3165 ops->get_brightness(sony_bl_props.dev); 3166 } 3167 3168 static void sony_nc_backlight_cleanup(void) 3169 { 3170 backlight_device_unregister(sony_bl_props.dev); 3171 } 3172 3173 static int sony_nc_add(struct acpi_device *device) 3174 { 3175 acpi_status status; 3176 int result = 0; 3177 struct sony_nc_value *item; 3178 3179 sony_nc_acpi_device = device; 3180 strcpy(acpi_device_class(device), "sony/hotkey"); 3181 3182 sony_nc_acpi_handle = device->handle; 3183 3184 /* read device status */ 3185 result = acpi_bus_get_status(device); 3186 /* bail IFF the above call was successful and the device is not present */ 3187 if (!result && !device->status.present) { 3188 dprintk("Device not present\n"); 3189 result = -ENODEV; 3190 goto outwalk; 3191 } 3192 3193 result = sony_pf_add(); 3194 if (result) 3195 goto outpresent; 3196 3197 if (debug) { 3198 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3199 sony_nc_acpi_handle, 1, sony_walk_callback, 3200 NULL, NULL, NULL); 3201 if (ACPI_FAILURE(status)) { 3202 pr_warn("unable to walk acpi resources\n"); 3203 result = -ENODEV; 3204 goto outpresent; 3205 } 3206 } 3207 3208 result = sony_laptop_setup_input(device); 3209 if (result) { 3210 pr_err("Unable to create input devices\n"); 3211 goto outplatform; 3212 } 3213 3214 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3215 int arg = 1; 3216 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3217 dprintk("ECON Method failed\n"); 3218 } 3219 3220 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3221 dprintk("Doing SNC setup\n"); 3222 /* retrieve the available handles */ 3223 result = sony_nc_handles_setup(sony_pf_device); 3224 if (!result) 3225 sony_nc_function_setup(device, sony_pf_device); 3226 } 3227 3228 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3229 sony_nc_backlight_setup(); 3230 3231 /* create sony_pf sysfs attributes related to the SNC device */ 3232 for (item = sony_nc_values; item->name; ++item) { 3233 3234 if (!debug && item->debug) 3235 continue; 3236 3237 /* find the available acpiget as described in the DSDT */ 3238 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3239 if (acpi_has_method(sony_nc_acpi_handle, 3240 *item->acpiget)) { 3241 dprintk("Found %s getter: %s\n", 3242 item->name, *item->acpiget); 3243 item->devattr.attr.mode |= S_IRUGO; 3244 break; 3245 } 3246 } 3247 3248 /* find the available acpiset as described in the DSDT */ 3249 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3250 if (acpi_has_method(sony_nc_acpi_handle, 3251 *item->acpiset)) { 3252 dprintk("Found %s setter: %s\n", 3253 item->name, *item->acpiset); 3254 item->devattr.attr.mode |= S_IWUSR; 3255 break; 3256 } 3257 } 3258 3259 if (item->devattr.attr.mode != 0) { 3260 result = 3261 device_create_file(&sony_pf_device->dev, 3262 &item->devattr); 3263 if (result) 3264 goto out_sysfs; 3265 } 3266 } 3267 3268 pr_info("SNC setup done.\n"); 3269 return 0; 3270 3271 out_sysfs: 3272 for (item = sony_nc_values; item->name; ++item) { 3273 device_remove_file(&sony_pf_device->dev, &item->devattr); 3274 } 3275 sony_nc_backlight_cleanup(); 3276 sony_nc_function_cleanup(sony_pf_device); 3277 sony_nc_handles_cleanup(sony_pf_device); 3278 3279 outplatform: 3280 sony_laptop_remove_input(); 3281 3282 outpresent: 3283 sony_pf_remove(); 3284 3285 outwalk: 3286 sony_nc_rfkill_cleanup(); 3287 return result; 3288 } 3289 3290 static int sony_nc_remove(struct acpi_device *device) 3291 { 3292 struct sony_nc_value *item; 3293 3294 sony_nc_backlight_cleanup(); 3295 3296 sony_nc_acpi_device = NULL; 3297 3298 for (item = sony_nc_values; item->name; ++item) { 3299 device_remove_file(&sony_pf_device->dev, &item->devattr); 3300 } 3301 3302 sony_nc_function_cleanup(sony_pf_device); 3303 sony_nc_handles_cleanup(sony_pf_device); 3304 sony_pf_remove(); 3305 sony_laptop_remove_input(); 3306 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3307 3308 return 0; 3309 } 3310 3311 static const struct acpi_device_id sony_device_ids[] = { 3312 {SONY_NC_HID, 0}, 3313 {SONY_PIC_HID, 0}, 3314 {"", 0}, 3315 }; 3316 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3317 3318 static const struct acpi_device_id sony_nc_device_ids[] = { 3319 {SONY_NC_HID, 0}, 3320 {"", 0}, 3321 }; 3322 3323 static struct acpi_driver sony_nc_driver = { 3324 .name = SONY_NC_DRIVER_NAME, 3325 .class = SONY_NC_CLASS, 3326 .ids = sony_nc_device_ids, 3327 .owner = THIS_MODULE, 3328 .ops = { 3329 .add = sony_nc_add, 3330 .remove = sony_nc_remove, 3331 .notify = sony_nc_notify, 3332 }, 3333 .drv.pm = &sony_nc_pm, 3334 }; 3335 3336 /*********** SPIC (SNY6001) Device ***********/ 3337 3338 #define SONYPI_DEVICE_TYPE1 0x00000001 3339 #define SONYPI_DEVICE_TYPE2 0x00000002 3340 #define SONYPI_DEVICE_TYPE3 0x00000004 3341 3342 #define SONYPI_TYPE1_OFFSET 0x04 3343 #define SONYPI_TYPE2_OFFSET 0x12 3344 #define SONYPI_TYPE3_OFFSET 0x12 3345 3346 struct sony_pic_ioport { 3347 struct acpi_resource_io io1; 3348 struct acpi_resource_io io2; 3349 struct list_head list; 3350 }; 3351 3352 struct sony_pic_irq { 3353 struct acpi_resource_irq irq; 3354 struct list_head list; 3355 }; 3356 3357 struct sonypi_eventtypes { 3358 u8 data; 3359 unsigned long mask; 3360 struct sonypi_event *events; 3361 }; 3362 3363 struct sony_pic_dev { 3364 struct acpi_device *acpi_dev; 3365 struct sony_pic_irq *cur_irq; 3366 struct sony_pic_ioport *cur_ioport; 3367 struct list_head interrupts; 3368 struct list_head ioports; 3369 struct mutex lock; 3370 struct sonypi_eventtypes *event_types; 3371 int (*handle_irq)(const u8, const u8); 3372 int model; 3373 u16 evport_offset; 3374 u8 camera_power; 3375 u8 bluetooth_power; 3376 u8 wwan_power; 3377 }; 3378 3379 static struct sony_pic_dev spic_dev = { 3380 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3381 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3382 }; 3383 3384 static int spic_drv_registered; 3385 3386 /* Event masks */ 3387 #define SONYPI_JOGGER_MASK 0x00000001 3388 #define SONYPI_CAPTURE_MASK 0x00000002 3389 #define SONYPI_FNKEY_MASK 0x00000004 3390 #define SONYPI_BLUETOOTH_MASK 0x00000008 3391 #define SONYPI_PKEY_MASK 0x00000010 3392 #define SONYPI_BACK_MASK 0x00000020 3393 #define SONYPI_HELP_MASK 0x00000040 3394 #define SONYPI_LID_MASK 0x00000080 3395 #define SONYPI_ZOOM_MASK 0x00000100 3396 #define SONYPI_THUMBPHRASE_MASK 0x00000200 3397 #define SONYPI_MEYE_MASK 0x00000400 3398 #define SONYPI_MEMORYSTICK_MASK 0x00000800 3399 #define SONYPI_BATTERY_MASK 0x00001000 3400 #define SONYPI_WIRELESS_MASK 0x00002000 3401 3402 struct sonypi_event { 3403 u8 data; 3404 u8 event; 3405 }; 3406 3407 /* The set of possible button release events */ 3408 static struct sonypi_event sonypi_releaseev[] = { 3409 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3410 { 0, 0 } 3411 }; 3412 3413 /* The set of possible jogger events */ 3414 static struct sonypi_event sonypi_joggerev[] = { 3415 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3416 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3417 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3418 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3419 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3420 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3421 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3422 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3423 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3424 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3425 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3426 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3427 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3428 { 0, 0 } 3429 }; 3430 3431 /* The set of possible capture button events */ 3432 static struct sonypi_event sonypi_captureev[] = { 3433 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3434 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3435 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3436 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3437 { 0, 0 } 3438 }; 3439 3440 /* The set of possible fnkeys events */ 3441 static struct sonypi_event sonypi_fnkeyev[] = { 3442 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3443 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3444 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3445 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3446 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3447 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3448 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3449 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3450 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3451 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3452 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3453 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3454 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3455 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3456 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3457 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3458 { 0x31, SONYPI_EVENT_FNKEY_D }, 3459 { 0x32, SONYPI_EVENT_FNKEY_E }, 3460 { 0x33, SONYPI_EVENT_FNKEY_F }, 3461 { 0x34, SONYPI_EVENT_FNKEY_S }, 3462 { 0x35, SONYPI_EVENT_FNKEY_B }, 3463 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3464 { 0, 0 } 3465 }; 3466 3467 /* The set of possible program key events */ 3468 static struct sonypi_event sonypi_pkeyev[] = { 3469 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3470 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3471 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3472 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3473 { 0, 0 } 3474 }; 3475 3476 /* The set of possible bluetooth events */ 3477 static struct sonypi_event sonypi_blueev[] = { 3478 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3479 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3480 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3481 { 0, 0 } 3482 }; 3483 3484 /* The set of possible wireless events */ 3485 static struct sonypi_event sonypi_wlessev[] = { 3486 { 0x59, SONYPI_EVENT_IGNORE }, 3487 { 0x5a, SONYPI_EVENT_IGNORE }, 3488 { 0, 0 } 3489 }; 3490 3491 /* The set of possible back button events */ 3492 static struct sonypi_event sonypi_backev[] = { 3493 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3494 { 0, 0 } 3495 }; 3496 3497 /* The set of possible help button events */ 3498 static struct sonypi_event sonypi_helpev[] = { 3499 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3500 { 0, 0 } 3501 }; 3502 3503 3504 /* The set of possible lid events */ 3505 static struct sonypi_event sonypi_lidev[] = { 3506 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3507 { 0x50, SONYPI_EVENT_LID_OPENED }, 3508 { 0, 0 } 3509 }; 3510 3511 /* The set of possible zoom events */ 3512 static struct sonypi_event sonypi_zoomev[] = { 3513 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3514 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3515 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3516 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3517 { 0, 0 } 3518 }; 3519 3520 /* The set of possible thumbphrase events */ 3521 static struct sonypi_event sonypi_thumbphraseev[] = { 3522 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3523 { 0, 0 } 3524 }; 3525 3526 /* The set of possible motioneye camera events */ 3527 static struct sonypi_event sonypi_meyeev[] = { 3528 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3529 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3530 { 0, 0 } 3531 }; 3532 3533 /* The set of possible memorystick events */ 3534 static struct sonypi_event sonypi_memorystickev[] = { 3535 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3536 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3537 { 0, 0 } 3538 }; 3539 3540 /* The set of possible battery events */ 3541 static struct sonypi_event sonypi_batteryev[] = { 3542 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3543 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3544 { 0, 0 } 3545 }; 3546 3547 /* The set of possible volume events */ 3548 static struct sonypi_event sonypi_volumeev[] = { 3549 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3550 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3551 { 0, 0 } 3552 }; 3553 3554 /* The set of possible brightness events */ 3555 static struct sonypi_event sonypi_brightnessev[] = { 3556 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3557 { 0, 0 } 3558 }; 3559 3560 static struct sonypi_eventtypes type1_events[] = { 3561 { 0, 0xffffffff, sonypi_releaseev }, 3562 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3563 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3564 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3565 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3566 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3567 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3568 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3569 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3570 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3571 { 0 }, 3572 }; 3573 static struct sonypi_eventtypes type2_events[] = { 3574 { 0, 0xffffffff, sonypi_releaseev }, 3575 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3576 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3577 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3578 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3579 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3580 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3581 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3582 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3583 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3584 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3585 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3586 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3587 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3588 { 0 }, 3589 }; 3590 static struct sonypi_eventtypes type3_events[] = { 3591 { 0, 0xffffffff, sonypi_releaseev }, 3592 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3593 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3594 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3595 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3596 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3597 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3598 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3599 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3600 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3601 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3602 { 0 }, 3603 }; 3604 3605 /* low level spic calls */ 3606 #define ITERATIONS_LONG 10000 3607 #define ITERATIONS_SHORT 10 3608 #define wait_on_command(command, iterations) { \ 3609 unsigned int n = iterations; \ 3610 while (--n && (command)) \ 3611 udelay(1); \ 3612 if (!n) \ 3613 dprintk("command failed at %s : %s (line %d)\n", \ 3614 __FILE__, __func__, __LINE__); \ 3615 } 3616 3617 static u8 sony_pic_call1(u8 dev) 3618 { 3619 u8 v1, v2; 3620 3621 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3622 ITERATIONS_LONG); 3623 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3624 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3625 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3626 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3627 return v2; 3628 } 3629 3630 static u8 sony_pic_call2(u8 dev, u8 fn) 3631 { 3632 u8 v1; 3633 3634 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3635 ITERATIONS_LONG); 3636 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3638 ITERATIONS_LONG); 3639 outb(fn, spic_dev.cur_ioport->io1.minimum); 3640 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3641 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3642 return v1; 3643 } 3644 3645 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3646 { 3647 u8 v1; 3648 3649 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3650 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3651 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3652 outb(fn, spic_dev.cur_ioport->io1.minimum); 3653 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3654 outb(v, spic_dev.cur_ioport->io1.minimum); 3655 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3656 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3657 dev, fn, v, v1); 3658 return v1; 3659 } 3660 3661 /* 3662 * minidrivers for SPIC models 3663 */ 3664 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3665 { 3666 /* 3667 * 0x31 could mean we have to take some extra action and wait for 3668 * the next irq for some Type3 models, it will generate a new 3669 * irq and we can read new data from the device: 3670 * - 0x5c and 0x5f requires 0xA0 3671 * - 0x61 requires 0xB3 3672 */ 3673 if (data_mask == 0x31) { 3674 if (ev == 0x5c || ev == 0x5f) 3675 sony_pic_call1(0xA0); 3676 else if (ev == 0x61) 3677 sony_pic_call1(0xB3); 3678 return 0; 3679 } 3680 return 1; 3681 } 3682 3683 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3684 { 3685 struct pci_dev *pcidev; 3686 3687 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3688 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3689 if (pcidev) { 3690 dev->model = SONYPI_DEVICE_TYPE1; 3691 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3692 dev->event_types = type1_events; 3693 goto out; 3694 } 3695 3696 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3697 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3698 if (pcidev) { 3699 dev->model = SONYPI_DEVICE_TYPE2; 3700 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3701 dev->event_types = type2_events; 3702 goto out; 3703 } 3704 3705 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3706 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3707 if (pcidev) { 3708 dev->model = SONYPI_DEVICE_TYPE3; 3709 dev->handle_irq = type3_handle_irq; 3710 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3711 dev->event_types = type3_events; 3712 goto out; 3713 } 3714 3715 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3716 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3717 if (pcidev) { 3718 dev->model = SONYPI_DEVICE_TYPE3; 3719 dev->handle_irq = type3_handle_irq; 3720 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3721 dev->event_types = type3_events; 3722 goto out; 3723 } 3724 3725 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3726 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3727 if (pcidev) { 3728 dev->model = SONYPI_DEVICE_TYPE3; 3729 dev->handle_irq = type3_handle_irq; 3730 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3731 dev->event_types = type3_events; 3732 goto out; 3733 } 3734 3735 /* default */ 3736 dev->model = SONYPI_DEVICE_TYPE2; 3737 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3738 dev->event_types = type2_events; 3739 3740 out: 3741 pci_dev_put(pcidev); 3742 3743 pr_info("detected Type%d model\n", 3744 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3745 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3746 } 3747 3748 /* camera tests and poweron/poweroff */ 3749 #define SONYPI_CAMERA_PICTURE 5 3750 #define SONYPI_CAMERA_CONTROL 0x10 3751 3752 #define SONYPI_CAMERA_BRIGHTNESS 0 3753 #define SONYPI_CAMERA_CONTRAST 1 3754 #define SONYPI_CAMERA_HUE 2 3755 #define SONYPI_CAMERA_COLOR 3 3756 #define SONYPI_CAMERA_SHARPNESS 4 3757 3758 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3759 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3760 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3761 #define SONYPI_CAMERA_MUTE_MASK 0x40 3762 3763 /* the rest don't need a loop until not 0xff */ 3764 #define SONYPI_CAMERA_AGC 6 3765 #define SONYPI_CAMERA_AGC_MASK 0x30 3766 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3767 3768 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3769 #define SONYPI_CAMERA_CONTROL 0x10 3770 3771 #define SONYPI_CAMERA_STATUS 7 3772 #define SONYPI_CAMERA_STATUS_READY 0x2 3773 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3774 3775 #define SONYPI_DIRECTION_BACKWARDS 0x4 3776 3777 #define SONYPI_CAMERA_REVISION 8 3778 #define SONYPI_CAMERA_ROMVERSION 9 3779 3780 static int __sony_pic_camera_ready(void) 3781 { 3782 u8 v; 3783 3784 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3785 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3786 } 3787 3788 static int __sony_pic_camera_off(void) 3789 { 3790 if (!camera) { 3791 pr_warn("camera control not enabled\n"); 3792 return -ENODEV; 3793 } 3794 3795 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3796 SONYPI_CAMERA_MUTE_MASK), 3797 ITERATIONS_SHORT); 3798 3799 if (spic_dev.camera_power) { 3800 sony_pic_call2(0x91, 0); 3801 spic_dev.camera_power = 0; 3802 } 3803 return 0; 3804 } 3805 3806 static int __sony_pic_camera_on(void) 3807 { 3808 int i, j, x; 3809 3810 if (!camera) { 3811 pr_warn("camera control not enabled\n"); 3812 return -ENODEV; 3813 } 3814 3815 if (spic_dev.camera_power) 3816 return 0; 3817 3818 for (j = 5; j > 0; j--) { 3819 3820 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3821 msleep(10); 3822 sony_pic_call1(0x93); 3823 3824 for (i = 400; i > 0; i--) { 3825 if (__sony_pic_camera_ready()) 3826 break; 3827 msleep(10); 3828 } 3829 if (i) 3830 break; 3831 } 3832 3833 if (j == 0) { 3834 pr_warn("failed to power on camera\n"); 3835 return -ENODEV; 3836 } 3837 3838 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3839 0x5a), 3840 ITERATIONS_SHORT); 3841 3842 spic_dev.camera_power = 1; 3843 return 0; 3844 } 3845 3846 /* External camera command (exported to the motion eye v4l driver) */ 3847 int sony_pic_camera_command(int command, u8 value) 3848 { 3849 if (!camera) 3850 return -EIO; 3851 3852 mutex_lock(&spic_dev.lock); 3853 3854 switch (command) { 3855 case SONY_PIC_COMMAND_SETCAMERA: 3856 if (value) 3857 __sony_pic_camera_on(); 3858 else 3859 __sony_pic_camera_off(); 3860 break; 3861 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3862 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3863 ITERATIONS_SHORT); 3864 break; 3865 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3866 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3867 ITERATIONS_SHORT); 3868 break; 3869 case SONY_PIC_COMMAND_SETCAMERAHUE: 3870 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3871 ITERATIONS_SHORT); 3872 break; 3873 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3874 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3875 ITERATIONS_SHORT); 3876 break; 3877 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3878 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3879 ITERATIONS_SHORT); 3880 break; 3881 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3882 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3883 ITERATIONS_SHORT); 3884 break; 3885 case SONY_PIC_COMMAND_SETCAMERAAGC: 3886 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3887 ITERATIONS_SHORT); 3888 break; 3889 default: 3890 pr_err("sony_pic_camera_command invalid: %d\n", command); 3891 break; 3892 } 3893 mutex_unlock(&spic_dev.lock); 3894 return 0; 3895 } 3896 EXPORT_SYMBOL(sony_pic_camera_command); 3897 3898 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3899 static void __sony_pic_set_wwanpower(u8 state) 3900 { 3901 state = !!state; 3902 if (spic_dev.wwan_power == state) 3903 return; 3904 sony_pic_call2(0xB0, state); 3905 sony_pic_call1(0x82); 3906 spic_dev.wwan_power = state; 3907 } 3908 3909 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3910 struct device_attribute *attr, 3911 const char *buffer, size_t count) 3912 { 3913 unsigned long value; 3914 if (count > 31) 3915 return -EINVAL; 3916 3917 if (kstrtoul(buffer, 10, &value)) 3918 return -EINVAL; 3919 3920 mutex_lock(&spic_dev.lock); 3921 __sony_pic_set_wwanpower(value); 3922 mutex_unlock(&spic_dev.lock); 3923 3924 return count; 3925 } 3926 3927 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3928 struct device_attribute *attr, char *buffer) 3929 { 3930 ssize_t count; 3931 mutex_lock(&spic_dev.lock); 3932 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3933 mutex_unlock(&spic_dev.lock); 3934 return count; 3935 } 3936 3937 /* bluetooth subsystem power state */ 3938 static void __sony_pic_set_bluetoothpower(u8 state) 3939 { 3940 state = !!state; 3941 if (spic_dev.bluetooth_power == state) 3942 return; 3943 sony_pic_call2(0x96, state); 3944 sony_pic_call1(0x82); 3945 spic_dev.bluetooth_power = state; 3946 } 3947 3948 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3949 struct device_attribute *attr, 3950 const char *buffer, size_t count) 3951 { 3952 unsigned long value; 3953 if (count > 31) 3954 return -EINVAL; 3955 3956 if (kstrtoul(buffer, 10, &value)) 3957 return -EINVAL; 3958 3959 mutex_lock(&spic_dev.lock); 3960 __sony_pic_set_bluetoothpower(value); 3961 mutex_unlock(&spic_dev.lock); 3962 3963 return count; 3964 } 3965 3966 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3967 struct device_attribute *attr, char *buffer) 3968 { 3969 ssize_t count = 0; 3970 mutex_lock(&spic_dev.lock); 3971 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3972 mutex_unlock(&spic_dev.lock); 3973 return count; 3974 } 3975 3976 /* fan speed */ 3977 /* FAN0 information (reverse engineered from ACPI tables) */ 3978 #define SONY_PIC_FAN0_STATUS 0x93 3979 static int sony_pic_set_fanspeed(unsigned long value) 3980 { 3981 return ec_write(SONY_PIC_FAN0_STATUS, value); 3982 } 3983 3984 static int sony_pic_get_fanspeed(u8 *value) 3985 { 3986 return ec_read(SONY_PIC_FAN0_STATUS, value); 3987 } 3988 3989 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3990 struct device_attribute *attr, 3991 const char *buffer, size_t count) 3992 { 3993 unsigned long value; 3994 if (count > 31) 3995 return -EINVAL; 3996 3997 if (kstrtoul(buffer, 10, &value)) 3998 return -EINVAL; 3999 4000 if (sony_pic_set_fanspeed(value)) 4001 return -EIO; 4002 4003 return count; 4004 } 4005 4006 static ssize_t sony_pic_fanspeed_show(struct device *dev, 4007 struct device_attribute *attr, char *buffer) 4008 { 4009 u8 value = 0; 4010 if (sony_pic_get_fanspeed(&value)) 4011 return -EIO; 4012 4013 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 4014 } 4015 4016 #define SPIC_ATTR(_name, _mode) \ 4017 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 4018 _mode, sony_pic_## _name ##_show, \ 4019 sony_pic_## _name ##_store) 4020 4021 static SPIC_ATTR(bluetoothpower, 0644); 4022 static SPIC_ATTR(wwanpower, 0644); 4023 static SPIC_ATTR(fanspeed, 0644); 4024 4025 static struct attribute *spic_attributes[] = { 4026 &spic_attr_bluetoothpower.attr, 4027 &spic_attr_wwanpower.attr, 4028 &spic_attr_fanspeed.attr, 4029 NULL 4030 }; 4031 4032 static struct attribute_group spic_attribute_group = { 4033 .attrs = spic_attributes 4034 }; 4035 4036 /******** SONYPI compatibility **********/ 4037 #ifdef CONFIG_SONYPI_COMPAT 4038 4039 /* battery / brightness / temperature addresses */ 4040 #define SONYPI_BAT_FLAGS 0x81 4041 #define SONYPI_LCD_LIGHT 0x96 4042 #define SONYPI_BAT1_PCTRM 0xa0 4043 #define SONYPI_BAT1_LEFT 0xa2 4044 #define SONYPI_BAT1_MAXRT 0xa4 4045 #define SONYPI_BAT2_PCTRM 0xa8 4046 #define SONYPI_BAT2_LEFT 0xaa 4047 #define SONYPI_BAT2_MAXRT 0xac 4048 #define SONYPI_BAT1_MAXTK 0xb0 4049 #define SONYPI_BAT1_FULL 0xb2 4050 #define SONYPI_BAT2_MAXTK 0xb8 4051 #define SONYPI_BAT2_FULL 0xba 4052 #define SONYPI_TEMP_STATUS 0xC1 4053 4054 struct sonypi_compat_s { 4055 struct fasync_struct *fifo_async; 4056 struct kfifo fifo; 4057 spinlock_t fifo_lock; 4058 wait_queue_head_t fifo_proc_list; 4059 atomic_t open_count; 4060 }; 4061 static struct sonypi_compat_s sonypi_compat = { 4062 .open_count = ATOMIC_INIT(0), 4063 }; 4064 4065 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4066 { 4067 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4068 } 4069 4070 static int sonypi_misc_release(struct inode *inode, struct file *file) 4071 { 4072 atomic_dec(&sonypi_compat.open_count); 4073 return 0; 4074 } 4075 4076 static int sonypi_misc_open(struct inode *inode, struct file *file) 4077 { 4078 /* Flush input queue on first open */ 4079 unsigned long flags; 4080 4081 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4082 4083 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4084 kfifo_reset(&sonypi_compat.fifo); 4085 4086 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4087 4088 return 0; 4089 } 4090 4091 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4092 size_t count, loff_t *pos) 4093 { 4094 ssize_t ret; 4095 unsigned char c; 4096 4097 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4098 (file->f_flags & O_NONBLOCK)) 4099 return -EAGAIN; 4100 4101 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4102 kfifo_len(&sonypi_compat.fifo) != 0); 4103 if (ret) 4104 return ret; 4105 4106 while (ret < count && 4107 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4108 &sonypi_compat.fifo_lock) == sizeof(c))) { 4109 if (put_user(c, buf++)) 4110 return -EFAULT; 4111 ret++; 4112 } 4113 4114 if (ret > 0) { 4115 struct inode *inode = file_inode(file); 4116 inode->i_atime = current_fs_time(inode->i_sb); 4117 } 4118 4119 return ret; 4120 } 4121 4122 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 4123 { 4124 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4125 if (kfifo_len(&sonypi_compat.fifo)) 4126 return POLLIN | POLLRDNORM; 4127 return 0; 4128 } 4129 4130 static int ec_read16(u8 addr, u16 *value) 4131 { 4132 u8 val_lb, val_hb; 4133 if (ec_read(addr, &val_lb)) 4134 return -1; 4135 if (ec_read(addr + 1, &val_hb)) 4136 return -1; 4137 *value = val_lb | (val_hb << 8); 4138 return 0; 4139 } 4140 4141 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4142 unsigned long arg) 4143 { 4144 int ret = 0; 4145 void __user *argp = (void __user *)arg; 4146 u8 val8; 4147 u16 val16; 4148 int value; 4149 4150 mutex_lock(&spic_dev.lock); 4151 switch (cmd) { 4152 case SONYPI_IOCGBRT: 4153 if (sony_bl_props.dev == NULL) { 4154 ret = -EIO; 4155 break; 4156 } 4157 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4158 &value)) { 4159 ret = -EIO; 4160 break; 4161 } 4162 val8 = ((value & 0xff) - 1) << 5; 4163 if (copy_to_user(argp, &val8, sizeof(val8))) 4164 ret = -EFAULT; 4165 break; 4166 case SONYPI_IOCSBRT: 4167 if (sony_bl_props.dev == NULL) { 4168 ret = -EIO; 4169 break; 4170 } 4171 if (copy_from_user(&val8, argp, sizeof(val8))) { 4172 ret = -EFAULT; 4173 break; 4174 } 4175 value = (val8 >> 5) + 1; 4176 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4177 NULL)) { 4178 ret = -EIO; 4179 break; 4180 } 4181 /* sync the backlight device status */ 4182 sony_bl_props.dev->props.brightness = 4183 sony_backlight_get_brightness(sony_bl_props.dev); 4184 break; 4185 case SONYPI_IOCGBAT1CAP: 4186 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4187 ret = -EIO; 4188 break; 4189 } 4190 if (copy_to_user(argp, &val16, sizeof(val16))) 4191 ret = -EFAULT; 4192 break; 4193 case SONYPI_IOCGBAT1REM: 4194 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4195 ret = -EIO; 4196 break; 4197 } 4198 if (copy_to_user(argp, &val16, sizeof(val16))) 4199 ret = -EFAULT; 4200 break; 4201 case SONYPI_IOCGBAT2CAP: 4202 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4203 ret = -EIO; 4204 break; 4205 } 4206 if (copy_to_user(argp, &val16, sizeof(val16))) 4207 ret = -EFAULT; 4208 break; 4209 case SONYPI_IOCGBAT2REM: 4210 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4211 ret = -EIO; 4212 break; 4213 } 4214 if (copy_to_user(argp, &val16, sizeof(val16))) 4215 ret = -EFAULT; 4216 break; 4217 case SONYPI_IOCGBATFLAGS: 4218 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4219 ret = -EIO; 4220 break; 4221 } 4222 val8 &= 0x07; 4223 if (copy_to_user(argp, &val8, sizeof(val8))) 4224 ret = -EFAULT; 4225 break; 4226 case SONYPI_IOCGBLUE: 4227 val8 = spic_dev.bluetooth_power; 4228 if (copy_to_user(argp, &val8, sizeof(val8))) 4229 ret = -EFAULT; 4230 break; 4231 case SONYPI_IOCSBLUE: 4232 if (copy_from_user(&val8, argp, sizeof(val8))) { 4233 ret = -EFAULT; 4234 break; 4235 } 4236 __sony_pic_set_bluetoothpower(val8); 4237 break; 4238 /* FAN Controls */ 4239 case SONYPI_IOCGFAN: 4240 if (sony_pic_get_fanspeed(&val8)) { 4241 ret = -EIO; 4242 break; 4243 } 4244 if (copy_to_user(argp, &val8, sizeof(val8))) 4245 ret = -EFAULT; 4246 break; 4247 case SONYPI_IOCSFAN: 4248 if (copy_from_user(&val8, argp, sizeof(val8))) { 4249 ret = -EFAULT; 4250 break; 4251 } 4252 if (sony_pic_set_fanspeed(val8)) 4253 ret = -EIO; 4254 break; 4255 /* GET Temperature (useful under APM) */ 4256 case SONYPI_IOCGTEMP: 4257 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4258 ret = -EIO; 4259 break; 4260 } 4261 if (copy_to_user(argp, &val8, sizeof(val8))) 4262 ret = -EFAULT; 4263 break; 4264 default: 4265 ret = -EINVAL; 4266 } 4267 mutex_unlock(&spic_dev.lock); 4268 return ret; 4269 } 4270 4271 static const struct file_operations sonypi_misc_fops = { 4272 .owner = THIS_MODULE, 4273 .read = sonypi_misc_read, 4274 .poll = sonypi_misc_poll, 4275 .open = sonypi_misc_open, 4276 .release = sonypi_misc_release, 4277 .fasync = sonypi_misc_fasync, 4278 .unlocked_ioctl = sonypi_misc_ioctl, 4279 .llseek = noop_llseek, 4280 }; 4281 4282 static struct miscdevice sonypi_misc_device = { 4283 .minor = MISC_DYNAMIC_MINOR, 4284 .name = "sonypi", 4285 .fops = &sonypi_misc_fops, 4286 }; 4287 4288 static void sonypi_compat_report_event(u8 event) 4289 { 4290 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4291 sizeof(event), &sonypi_compat.fifo_lock); 4292 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4293 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4294 } 4295 4296 static int sonypi_compat_init(void) 4297 { 4298 int error; 4299 4300 spin_lock_init(&sonypi_compat.fifo_lock); 4301 error = 4302 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4303 if (error) { 4304 pr_err("kfifo_alloc failed\n"); 4305 return error; 4306 } 4307 4308 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4309 4310 if (minor != -1) 4311 sonypi_misc_device.minor = minor; 4312 error = misc_register(&sonypi_misc_device); 4313 if (error) { 4314 pr_err("misc_register failed\n"); 4315 goto err_free_kfifo; 4316 } 4317 if (minor == -1) 4318 pr_info("device allocated minor is %d\n", 4319 sonypi_misc_device.minor); 4320 4321 return 0; 4322 4323 err_free_kfifo: 4324 kfifo_free(&sonypi_compat.fifo); 4325 return error; 4326 } 4327 4328 static void sonypi_compat_exit(void) 4329 { 4330 misc_deregister(&sonypi_misc_device); 4331 kfifo_free(&sonypi_compat.fifo); 4332 } 4333 #else 4334 static int sonypi_compat_init(void) { return 0; } 4335 static void sonypi_compat_exit(void) { } 4336 static void sonypi_compat_report_event(u8 event) { } 4337 #endif /* CONFIG_SONYPI_COMPAT */ 4338 4339 /* 4340 * ACPI callbacks 4341 */ 4342 static acpi_status 4343 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4344 { 4345 u32 i; 4346 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4347 4348 switch (resource->type) { 4349 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4350 { 4351 /* start IO enumeration */ 4352 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4353 if (!ioport) 4354 return AE_ERROR; 4355 4356 list_add(&ioport->list, &dev->ioports); 4357 return AE_OK; 4358 } 4359 4360 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4361 /* end IO enumeration */ 4362 return AE_OK; 4363 4364 case ACPI_RESOURCE_TYPE_IRQ: 4365 { 4366 struct acpi_resource_irq *p = &resource->data.irq; 4367 struct sony_pic_irq *interrupt = NULL; 4368 if (!p || !p->interrupt_count) { 4369 /* 4370 * IRQ descriptors may have no IRQ# bits set, 4371 * particularly those those w/ _STA disabled 4372 */ 4373 dprintk("Blank IRQ resource\n"); 4374 return AE_OK; 4375 } 4376 for (i = 0; i < p->interrupt_count; i++) { 4377 if (!p->interrupts[i]) { 4378 pr_warn("Invalid IRQ %d\n", 4379 p->interrupts[i]); 4380 continue; 4381 } 4382 interrupt = kzalloc(sizeof(*interrupt), 4383 GFP_KERNEL); 4384 if (!interrupt) 4385 return AE_ERROR; 4386 4387 list_add(&interrupt->list, &dev->interrupts); 4388 interrupt->irq.triggering = p->triggering; 4389 interrupt->irq.polarity = p->polarity; 4390 interrupt->irq.sharable = p->sharable; 4391 interrupt->irq.interrupt_count = 1; 4392 interrupt->irq.interrupts[0] = p->interrupts[i]; 4393 } 4394 return AE_OK; 4395 } 4396 case ACPI_RESOURCE_TYPE_IO: 4397 { 4398 struct acpi_resource_io *io = &resource->data.io; 4399 struct sony_pic_ioport *ioport = 4400 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4401 if (!io) { 4402 dprintk("Blank IO resource\n"); 4403 return AE_OK; 4404 } 4405 4406 if (!ioport->io1.minimum) { 4407 memcpy(&ioport->io1, io, sizeof(*io)); 4408 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4409 ioport->io1.address_length); 4410 } 4411 else if (!ioport->io2.minimum) { 4412 memcpy(&ioport->io2, io, sizeof(*io)); 4413 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4414 ioport->io2.address_length); 4415 } 4416 else { 4417 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4418 return AE_ERROR; 4419 } 4420 return AE_OK; 4421 } 4422 default: 4423 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4424 resource->type); 4425 4426 case ACPI_RESOURCE_TYPE_END_TAG: 4427 return AE_OK; 4428 } 4429 return AE_CTRL_TERMINATE; 4430 } 4431 4432 static int sony_pic_possible_resources(struct acpi_device *device) 4433 { 4434 int result = 0; 4435 acpi_status status = AE_OK; 4436 4437 if (!device) 4438 return -EINVAL; 4439 4440 /* get device status */ 4441 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4442 dprintk("Evaluating _STA\n"); 4443 result = acpi_bus_get_status(device); 4444 if (result) { 4445 pr_warn("Unable to read status\n"); 4446 goto end; 4447 } 4448 4449 if (!device->status.enabled) 4450 dprintk("Device disabled\n"); 4451 else 4452 dprintk("Device enabled\n"); 4453 4454 /* 4455 * Query and parse 'method' 4456 */ 4457 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4458 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4459 sony_pic_read_possible_resource, &spic_dev); 4460 if (ACPI_FAILURE(status)) { 4461 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4462 result = -ENODEV; 4463 } 4464 end: 4465 return result; 4466 } 4467 4468 /* 4469 * Disable the spic device by calling its _DIS method 4470 */ 4471 static int sony_pic_disable(struct acpi_device *device) 4472 { 4473 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4474 NULL); 4475 4476 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4477 return -ENXIO; 4478 4479 dprintk("Device disabled\n"); 4480 return 0; 4481 } 4482 4483 4484 /* 4485 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4486 * 4487 * Call _SRS to set current resources 4488 */ 4489 static int sony_pic_enable(struct acpi_device *device, 4490 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4491 { 4492 acpi_status status; 4493 int result = 0; 4494 /* Type 1 resource layout is: 4495 * IO 4496 * IO 4497 * IRQNoFlags 4498 * End 4499 * 4500 * Type 2 and 3 resource layout is: 4501 * IO 4502 * IRQNoFlags 4503 * End 4504 */ 4505 struct { 4506 struct acpi_resource res1; 4507 struct acpi_resource res2; 4508 struct acpi_resource res3; 4509 struct acpi_resource res4; 4510 } *resource; 4511 struct acpi_buffer buffer = { 0, NULL }; 4512 4513 if (!ioport || !irq) 4514 return -EINVAL; 4515 4516 /* init acpi_buffer */ 4517 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4518 if (!resource) 4519 return -ENOMEM; 4520 4521 buffer.length = sizeof(*resource) + 1; 4522 buffer.pointer = resource; 4523 4524 /* setup Type 1 resources */ 4525 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4526 4527 /* setup io resources */ 4528 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4529 resource->res1.length = sizeof(struct acpi_resource); 4530 memcpy(&resource->res1.data.io, &ioport->io1, 4531 sizeof(struct acpi_resource_io)); 4532 4533 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4534 resource->res2.length = sizeof(struct acpi_resource); 4535 memcpy(&resource->res2.data.io, &ioport->io2, 4536 sizeof(struct acpi_resource_io)); 4537 4538 /* setup irq resource */ 4539 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4540 resource->res3.length = sizeof(struct acpi_resource); 4541 memcpy(&resource->res3.data.irq, &irq->irq, 4542 sizeof(struct acpi_resource_irq)); 4543 /* we requested a shared irq */ 4544 resource->res3.data.irq.sharable = ACPI_SHARED; 4545 4546 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4547 resource->res4.length = sizeof(struct acpi_resource); 4548 } 4549 /* setup Type 2/3 resources */ 4550 else { 4551 /* setup io resource */ 4552 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4553 resource->res1.length = sizeof(struct acpi_resource); 4554 memcpy(&resource->res1.data.io, &ioport->io1, 4555 sizeof(struct acpi_resource_io)); 4556 4557 /* setup irq resource */ 4558 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4559 resource->res2.length = sizeof(struct acpi_resource); 4560 memcpy(&resource->res2.data.irq, &irq->irq, 4561 sizeof(struct acpi_resource_irq)); 4562 /* we requested a shared irq */ 4563 resource->res2.data.irq.sharable = ACPI_SHARED; 4564 4565 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4566 resource->res3.length = sizeof(struct acpi_resource); 4567 } 4568 4569 /* Attempt to set the resource */ 4570 dprintk("Evaluating _SRS\n"); 4571 status = acpi_set_current_resources(device->handle, &buffer); 4572 4573 /* check for total failure */ 4574 if (ACPI_FAILURE(status)) { 4575 pr_err("Error evaluating _SRS\n"); 4576 result = -ENODEV; 4577 goto end; 4578 } 4579 4580 /* Necessary device initializations calls (from sonypi) */ 4581 sony_pic_call1(0x82); 4582 sony_pic_call2(0x81, 0xff); 4583 sony_pic_call1(compat ? 0x92 : 0x82); 4584 4585 end: 4586 kfree(resource); 4587 return result; 4588 } 4589 4590 /***************** 4591 * 4592 * ISR: some event is available 4593 * 4594 *****************/ 4595 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4596 { 4597 int i, j; 4598 u8 ev = 0; 4599 u8 data_mask = 0; 4600 u8 device_event = 0; 4601 4602 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4603 4604 ev = inb_p(dev->cur_ioport->io1.minimum); 4605 if (dev->cur_ioport->io2.minimum) 4606 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4607 else 4608 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4609 dev->evport_offset); 4610 4611 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4612 ev, data_mask, dev->cur_ioport->io1.minimum, 4613 dev->evport_offset); 4614 4615 if (ev == 0x00 || ev == 0xff) 4616 return IRQ_HANDLED; 4617 4618 for (i = 0; dev->event_types[i].mask; i++) { 4619 4620 if ((data_mask & dev->event_types[i].data) != 4621 dev->event_types[i].data) 4622 continue; 4623 4624 if (!(mask & dev->event_types[i].mask)) 4625 continue; 4626 4627 for (j = 0; dev->event_types[i].events[j].event; j++) { 4628 if (ev == dev->event_types[i].events[j].data) { 4629 device_event = 4630 dev->event_types[i].events[j].event; 4631 /* some events may require ignoring */ 4632 if (!device_event) 4633 return IRQ_HANDLED; 4634 goto found; 4635 } 4636 } 4637 } 4638 /* Still not able to decode the event try to pass 4639 * it over to the minidriver 4640 */ 4641 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4642 return IRQ_HANDLED; 4643 4644 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4645 ev, data_mask, dev->cur_ioport->io1.minimum, 4646 dev->evport_offset); 4647 return IRQ_HANDLED; 4648 4649 found: 4650 sony_laptop_report_input_event(device_event); 4651 sonypi_compat_report_event(device_event); 4652 return IRQ_HANDLED; 4653 } 4654 4655 /***************** 4656 * 4657 * ACPI driver 4658 * 4659 *****************/ 4660 static int sony_pic_remove(struct acpi_device *device) 4661 { 4662 struct sony_pic_ioport *io, *tmp_io; 4663 struct sony_pic_irq *irq, *tmp_irq; 4664 4665 if (sony_pic_disable(device)) { 4666 pr_err("Couldn't disable device\n"); 4667 return -ENXIO; 4668 } 4669 4670 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4671 release_region(spic_dev.cur_ioport->io1.minimum, 4672 spic_dev.cur_ioport->io1.address_length); 4673 if (spic_dev.cur_ioport->io2.minimum) 4674 release_region(spic_dev.cur_ioport->io2.minimum, 4675 spic_dev.cur_ioport->io2.address_length); 4676 4677 sonypi_compat_exit(); 4678 4679 sony_laptop_remove_input(); 4680 4681 /* pf attrs */ 4682 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4683 sony_pf_remove(); 4684 4685 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4686 list_del(&io->list); 4687 kfree(io); 4688 } 4689 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4690 list_del(&irq->list); 4691 kfree(irq); 4692 } 4693 spic_dev.cur_ioport = NULL; 4694 spic_dev.cur_irq = NULL; 4695 4696 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4697 return 0; 4698 } 4699 4700 static int sony_pic_add(struct acpi_device *device) 4701 { 4702 int result; 4703 struct sony_pic_ioport *io, *tmp_io; 4704 struct sony_pic_irq *irq, *tmp_irq; 4705 4706 spic_dev.acpi_dev = device; 4707 strcpy(acpi_device_class(device), "sony/hotkey"); 4708 sony_pic_detect_device_type(&spic_dev); 4709 mutex_init(&spic_dev.lock); 4710 4711 /* read _PRS resources */ 4712 result = sony_pic_possible_resources(device); 4713 if (result) { 4714 pr_err("Unable to read possible resources\n"); 4715 goto err_free_resources; 4716 } 4717 4718 /* setup input devices and helper fifo */ 4719 result = sony_laptop_setup_input(device); 4720 if (result) { 4721 pr_err("Unable to create input devices\n"); 4722 goto err_free_resources; 4723 } 4724 4725 result = sonypi_compat_init(); 4726 if (result) 4727 goto err_remove_input; 4728 4729 /* request io port */ 4730 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4731 if (request_region(io->io1.minimum, io->io1.address_length, 4732 "Sony Programmable I/O Device")) { 4733 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4734 io->io1.minimum, io->io1.maximum, 4735 io->io1.address_length); 4736 /* Type 1 have 2 ioports */ 4737 if (io->io2.minimum) { 4738 if (request_region(io->io2.minimum, 4739 io->io2.address_length, 4740 "Sony Programmable I/O Device")) { 4741 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4742 io->io2.minimum, io->io2.maximum, 4743 io->io2.address_length); 4744 spic_dev.cur_ioport = io; 4745 break; 4746 } 4747 else { 4748 dprintk("Unable to get I/O port2: " 4749 "0x%.4x (0x%.4x) + 0x%.2x\n", 4750 io->io2.minimum, io->io2.maximum, 4751 io->io2.address_length); 4752 release_region(io->io1.minimum, 4753 io->io1.address_length); 4754 } 4755 } 4756 else { 4757 spic_dev.cur_ioport = io; 4758 break; 4759 } 4760 } 4761 } 4762 if (!spic_dev.cur_ioport) { 4763 pr_err("Failed to request_region\n"); 4764 result = -ENODEV; 4765 goto err_remove_compat; 4766 } 4767 4768 /* request IRQ */ 4769 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4770 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4771 0, "sony-laptop", &spic_dev)) { 4772 dprintk("IRQ: %d - triggering: %d - " 4773 "polarity: %d - shr: %d\n", 4774 irq->irq.interrupts[0], 4775 irq->irq.triggering, 4776 irq->irq.polarity, 4777 irq->irq.sharable); 4778 spic_dev.cur_irq = irq; 4779 break; 4780 } 4781 } 4782 if (!spic_dev.cur_irq) { 4783 pr_err("Failed to request_irq\n"); 4784 result = -ENODEV; 4785 goto err_release_region; 4786 } 4787 4788 /* set resource status _SRS */ 4789 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4790 if (result) { 4791 pr_err("Couldn't enable device\n"); 4792 goto err_free_irq; 4793 } 4794 4795 spic_dev.bluetooth_power = -1; 4796 /* create device attributes */ 4797 result = sony_pf_add(); 4798 if (result) 4799 goto err_disable_device; 4800 4801 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4802 if (result) 4803 goto err_remove_pf; 4804 4805 pr_info("SPIC setup done.\n"); 4806 return 0; 4807 4808 err_remove_pf: 4809 sony_pf_remove(); 4810 4811 err_disable_device: 4812 sony_pic_disable(device); 4813 4814 err_free_irq: 4815 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4816 4817 err_release_region: 4818 release_region(spic_dev.cur_ioport->io1.minimum, 4819 spic_dev.cur_ioport->io1.address_length); 4820 if (spic_dev.cur_ioport->io2.minimum) 4821 release_region(spic_dev.cur_ioport->io2.minimum, 4822 spic_dev.cur_ioport->io2.address_length); 4823 4824 err_remove_compat: 4825 sonypi_compat_exit(); 4826 4827 err_remove_input: 4828 sony_laptop_remove_input(); 4829 4830 err_free_resources: 4831 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4832 list_del(&io->list); 4833 kfree(io); 4834 } 4835 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4836 list_del(&irq->list); 4837 kfree(irq); 4838 } 4839 spic_dev.cur_ioport = NULL; 4840 spic_dev.cur_irq = NULL; 4841 4842 return result; 4843 } 4844 4845 #ifdef CONFIG_PM_SLEEP 4846 static int sony_pic_suspend(struct device *dev) 4847 { 4848 if (sony_pic_disable(to_acpi_device(dev))) 4849 return -ENXIO; 4850 return 0; 4851 } 4852 4853 static int sony_pic_resume(struct device *dev) 4854 { 4855 sony_pic_enable(to_acpi_device(dev), 4856 spic_dev.cur_ioport, spic_dev.cur_irq); 4857 return 0; 4858 } 4859 #endif 4860 4861 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4862 4863 static const struct acpi_device_id sony_pic_device_ids[] = { 4864 {SONY_PIC_HID, 0}, 4865 {"", 0}, 4866 }; 4867 4868 static struct acpi_driver sony_pic_driver = { 4869 .name = SONY_PIC_DRIVER_NAME, 4870 .class = SONY_PIC_CLASS, 4871 .ids = sony_pic_device_ids, 4872 .owner = THIS_MODULE, 4873 .ops = { 4874 .add = sony_pic_add, 4875 .remove = sony_pic_remove, 4876 }, 4877 .drv.pm = &sony_pic_pm, 4878 }; 4879 4880 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4881 { 4882 .ident = "Sony Vaio", 4883 .matches = { 4884 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4885 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4886 }, 4887 }, 4888 { 4889 .ident = "Sony Vaio", 4890 .matches = { 4891 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4892 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4893 }, 4894 }, 4895 { } 4896 }; 4897 4898 static int __init sony_laptop_init(void) 4899 { 4900 int result; 4901 4902 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4903 result = acpi_bus_register_driver(&sony_pic_driver); 4904 if (result) { 4905 pr_err("Unable to register SPIC driver\n"); 4906 goto out; 4907 } 4908 spic_drv_registered = 1; 4909 } 4910 4911 result = acpi_bus_register_driver(&sony_nc_driver); 4912 if (result) { 4913 pr_err("Unable to register SNC driver\n"); 4914 goto out_unregister_pic; 4915 } 4916 4917 return 0; 4918 4919 out_unregister_pic: 4920 if (spic_drv_registered) 4921 acpi_bus_unregister_driver(&sony_pic_driver); 4922 out: 4923 return result; 4924 } 4925 4926 static void __exit sony_laptop_exit(void) 4927 { 4928 acpi_bus_unregister_driver(&sony_nc_driver); 4929 if (spic_drv_registered) 4930 acpi_bus_unregister_driver(&sony_pic_driver); 4931 } 4932 4933 module_init(sony_laptop_init); 4934 module_exit(sony_laptop_exit); 4935