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 if (!handles) 1450 return; 1451 1452 /* get enabled events and disable them */ 1453 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); 1454 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); 1455 1456 /* cleanup handles here */ 1457 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1458 1459 handle = handles->cap[i]; 1460 1461 if (!handle) 1462 continue; 1463 1464 switch (handle) { 1465 case 0x0105: 1466 case 0x0148: 1467 sony_nc_touchpad_cleanup(pd); 1468 break; 1469 case 0x0115: 1470 case 0x0136: 1471 case 0x013f: 1472 sony_nc_battery_care_cleanup(pd); 1473 break; 1474 case 0x0119: 1475 case 0x015D: 1476 sony_nc_lid_resume_cleanup(pd); 1477 break; 1478 case 0x0122: 1479 sony_nc_thermal_cleanup(pd); 1480 break; 1481 case 0x0128: 1482 case 0x0146: 1483 case 0x015B: 1484 sony_nc_gfx_switch_cleanup(pd); 1485 break; 1486 case 0x0131: 1487 sony_nc_highspeed_charging_cleanup(pd); 1488 break; 1489 case 0x0124: 1490 case 0x0135: 1491 sony_nc_rfkill_cleanup(); 1492 break; 1493 case 0x0137: 1494 case 0x0143: 1495 case 0x014b: 1496 case 0x014c: 1497 case 0x0153: 1498 case 0x0163: 1499 sony_nc_kbd_backlight_cleanup(pd, handle); 1500 break; 1501 case 0x0121: 1502 sony_nc_lowbatt_cleanup(pd); 1503 break; 1504 case 0x0149: 1505 sony_nc_fanspeed_cleanup(pd); 1506 break; 1507 case 0x0155: 1508 sony_nc_usb_charge_cleanup(pd); 1509 break; 1510 case 0x011D: 1511 sony_nc_panelid_cleanup(pd); 1512 break; 1513 case 0x0168: 1514 sony_nc_smart_conn_cleanup(pd); 1515 break; 1516 default: 1517 continue; 1518 } 1519 } 1520 1521 /* finally cleanup the handles list */ 1522 sony_nc_handles_cleanup(pd); 1523 } 1524 1525 #ifdef CONFIG_PM_SLEEP 1526 static void sony_nc_function_resume(void) 1527 { 1528 unsigned int i, result, bitmask, arg; 1529 1530 dprintk("Resuming SNC device\n"); 1531 1532 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { 1533 unsigned int handle = handles->cap[i]; 1534 1535 if (!handle) 1536 continue; 1537 1538 switch (handle) { 1539 case 0x0100: 1540 case 0x0101: 1541 case 0x0127: 1542 /* re-enable hotkeys */ 1543 sony_call_snc_handle(handle, 0, &result); 1544 break; 1545 case 0x0102: 1546 /* re-enable hotkeys */ 1547 sony_call_snc_handle(handle, 0x100, &result); 1548 break; 1549 case 0x0122: 1550 sony_nc_thermal_resume(); 1551 break; 1552 case 0x0124: 1553 case 0x0135: 1554 sony_nc_rfkill_update(); 1555 break; 1556 default: 1557 continue; 1558 } 1559 } 1560 1561 /* Enable all events */ 1562 arg = 0x10; 1563 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) 1564 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, 1565 &result); 1566 } 1567 1568 static int sony_nc_resume(struct device *dev) 1569 { 1570 struct sony_nc_value *item; 1571 1572 for (item = sony_nc_values; item->name; item++) { 1573 int ret; 1574 1575 if (!item->valid) 1576 continue; 1577 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, 1578 &item->value, NULL); 1579 if (ret < 0) { 1580 pr_err("%s: %d\n", __func__, ret); 1581 break; 1582 } 1583 } 1584 1585 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 1586 int arg = 1; 1587 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 1588 dprintk("ECON Method failed\n"); 1589 } 1590 1591 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) 1592 sony_nc_function_resume(); 1593 1594 return 0; 1595 } 1596 #endif 1597 1598 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); 1599 1600 static void sony_nc_rfkill_cleanup(void) 1601 { 1602 int i; 1603 1604 for (i = 0; i < N_SONY_RFKILL; i++) { 1605 if (sony_rfkill_devices[i]) { 1606 rfkill_unregister(sony_rfkill_devices[i]); 1607 rfkill_destroy(sony_rfkill_devices[i]); 1608 } 1609 } 1610 } 1611 1612 static int sony_nc_rfkill_set(void *data, bool blocked) 1613 { 1614 int result; 1615 int argument = sony_rfkill_address[(long) data] + 0x100; 1616 1617 if (!blocked) 1618 argument |= 0x070000; 1619 1620 return sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1621 } 1622 1623 static const struct rfkill_ops sony_rfkill_ops = { 1624 .set_block = sony_nc_rfkill_set, 1625 }; 1626 1627 static int sony_nc_setup_rfkill(struct acpi_device *device, 1628 enum sony_nc_rfkill nc_type) 1629 { 1630 int err = 0; 1631 struct rfkill *rfk; 1632 enum rfkill_type type; 1633 const char *name; 1634 int result; 1635 bool hwblock, swblock; 1636 1637 switch (nc_type) { 1638 case SONY_WIFI: 1639 type = RFKILL_TYPE_WLAN; 1640 name = "sony-wifi"; 1641 break; 1642 case SONY_BLUETOOTH: 1643 type = RFKILL_TYPE_BLUETOOTH; 1644 name = "sony-bluetooth"; 1645 break; 1646 case SONY_WWAN: 1647 type = RFKILL_TYPE_WWAN; 1648 name = "sony-wwan"; 1649 break; 1650 case SONY_WIMAX: 1651 type = RFKILL_TYPE_WIMAX; 1652 name = "sony-wimax"; 1653 break; 1654 default: 1655 return -EINVAL; 1656 } 1657 1658 rfk = rfkill_alloc(name, &device->dev, type, 1659 &sony_rfkill_ops, (void *)nc_type); 1660 if (!rfk) 1661 return -ENOMEM; 1662 1663 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { 1664 rfkill_destroy(rfk); 1665 return -1; 1666 } 1667 hwblock = !(result & 0x1); 1668 1669 if (sony_call_snc_handle(sony_rfkill_handle, 1670 sony_rfkill_address[nc_type], 1671 &result) < 0) { 1672 rfkill_destroy(rfk); 1673 return -1; 1674 } 1675 swblock = !(result & 0x2); 1676 1677 rfkill_init_sw_state(rfk, swblock); 1678 rfkill_set_hw_state(rfk, hwblock); 1679 1680 err = rfkill_register(rfk); 1681 if (err) { 1682 rfkill_destroy(rfk); 1683 return err; 1684 } 1685 sony_rfkill_devices[nc_type] = rfk; 1686 return err; 1687 } 1688 1689 static void sony_nc_rfkill_update(void) 1690 { 1691 enum sony_nc_rfkill i; 1692 int result; 1693 bool hwblock; 1694 1695 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); 1696 hwblock = !(result & 0x1); 1697 1698 for (i = 0; i < N_SONY_RFKILL; i++) { 1699 int argument = sony_rfkill_address[i]; 1700 1701 if (!sony_rfkill_devices[i]) 1702 continue; 1703 1704 if (hwblock) { 1705 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { 1706 /* we already know we're blocked */ 1707 } 1708 continue; 1709 } 1710 1711 sony_call_snc_handle(sony_rfkill_handle, argument, &result); 1712 rfkill_set_states(sony_rfkill_devices[i], 1713 !(result & 0x2), false); 1714 } 1715 } 1716 1717 static int sony_nc_rfkill_setup(struct acpi_device *device, 1718 unsigned int handle) 1719 { 1720 u64 offset; 1721 int i; 1722 unsigned char buffer[32] = { 0 }; 1723 1724 offset = sony_find_snc_handle(handle); 1725 sony_rfkill_handle = handle; 1726 1727 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 1728 32); 1729 if (i < 0) 1730 return i; 1731 1732 /* The buffer is filled with magic numbers describing the devices 1733 * available, 0xff terminates the enumeration. 1734 * Known codes: 1735 * 0x00 WLAN 1736 * 0x10 BLUETOOTH 1737 * 0x20 WWAN GPRS-EDGE 1738 * 0x21 WWAN HSDPA 1739 * 0x22 WWAN EV-DO 1740 * 0x23 WWAN GPS 1741 * 0x25 Gobi WWAN no GPS 1742 * 0x26 Gobi WWAN + GPS 1743 * 0x28 Gobi WWAN no GPS 1744 * 0x29 Gobi WWAN + GPS 1745 * 0x30 WIMAX 1746 * 0x50 Gobi WWAN no GPS 1747 * 0x51 Gobi WWAN + GPS 1748 * 0x70 no SIM card slot 1749 * 0x71 SIM card slot 1750 */ 1751 for (i = 0; i < ARRAY_SIZE(buffer); i++) { 1752 1753 if (buffer[i] == 0xff) 1754 break; 1755 1756 dprintk("Radio devices, found 0x%.2x\n", buffer[i]); 1757 1758 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) 1759 sony_nc_setup_rfkill(device, SONY_WIFI); 1760 1761 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) 1762 sony_nc_setup_rfkill(device, SONY_BLUETOOTH); 1763 1764 if (((0xf0 & buffer[i]) == 0x20 || 1765 (0xf0 & buffer[i]) == 0x50) && 1766 !sony_rfkill_devices[SONY_WWAN]) 1767 sony_nc_setup_rfkill(device, SONY_WWAN); 1768 1769 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) 1770 sony_nc_setup_rfkill(device, SONY_WIMAX); 1771 } 1772 return 0; 1773 } 1774 1775 /* Keyboard backlight feature */ 1776 struct kbd_backlight { 1777 unsigned int handle; 1778 unsigned int base; 1779 unsigned int mode; 1780 unsigned int timeout; 1781 unsigned int has_timeout; 1782 struct device_attribute mode_attr; 1783 struct device_attribute timeout_attr; 1784 }; 1785 1786 static struct kbd_backlight *kbdbl_ctl; 1787 1788 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) 1789 { 1790 int result; 1791 1792 if (value > 2) 1793 return -EINVAL; 1794 1795 if (sony_call_snc_handle(kbdbl_ctl->handle, 1796 (value << 0x10) | (kbdbl_ctl->base), &result)) 1797 return -EIO; 1798 1799 /* Try to turn the light on/off immediately */ 1800 if (value != 1) 1801 sony_call_snc_handle(kbdbl_ctl->handle, 1802 (value << 0x0f) | (kbdbl_ctl->base + 0x100), 1803 &result); 1804 1805 kbdbl_ctl->mode = value; 1806 1807 return 0; 1808 } 1809 1810 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, 1811 struct device_attribute *attr, 1812 const char *buffer, size_t count) 1813 { 1814 int ret = 0; 1815 unsigned long value; 1816 1817 if (count > 31) 1818 return -EINVAL; 1819 1820 if (kstrtoul(buffer, 10, &value)) 1821 return -EINVAL; 1822 1823 ret = __sony_nc_kbd_backlight_mode_set(value); 1824 if (ret < 0) 1825 return ret; 1826 1827 return count; 1828 } 1829 1830 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, 1831 struct device_attribute *attr, char *buffer) 1832 { 1833 ssize_t count = 0; 1834 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); 1835 return count; 1836 } 1837 1838 static int __sony_nc_kbd_backlight_timeout_set(u8 value) 1839 { 1840 int result; 1841 1842 if (value > 3) 1843 return -EINVAL; 1844 1845 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | 1846 (kbdbl_ctl->base + 0x200), &result)) 1847 return -EIO; 1848 1849 kbdbl_ctl->timeout = value; 1850 1851 return 0; 1852 } 1853 1854 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, 1855 struct device_attribute *attr, 1856 const char *buffer, size_t count) 1857 { 1858 int ret = 0; 1859 unsigned long value; 1860 1861 if (count > 31) 1862 return -EINVAL; 1863 1864 if (kstrtoul(buffer, 10, &value)) 1865 return -EINVAL; 1866 1867 ret = __sony_nc_kbd_backlight_timeout_set(value); 1868 if (ret < 0) 1869 return ret; 1870 1871 return count; 1872 } 1873 1874 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, 1875 struct device_attribute *attr, char *buffer) 1876 { 1877 ssize_t count = 0; 1878 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); 1879 return count; 1880 } 1881 1882 static int sony_nc_kbd_backlight_setup(struct platform_device *pd, 1883 unsigned int handle) 1884 { 1885 int result; 1886 int probe_base = 0; 1887 int ctl_base = 0; 1888 int ret = 0; 1889 1890 if (kbdbl_ctl) { 1891 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n", 1892 handle, kbdbl_ctl->handle); 1893 return -EBUSY; 1894 } 1895 1896 /* verify the kbd backlight presence, some of these handles are not used 1897 * for keyboard backlight only 1898 */ 1899 switch (handle) { 1900 case 0x0153: 1901 probe_base = 0x0; 1902 ctl_base = 0x0; 1903 break; 1904 case 0x0137: 1905 probe_base = 0x0B00; 1906 ctl_base = 0x0C00; 1907 break; 1908 default: 1909 probe_base = 0x0100; 1910 ctl_base = 0x4000; 1911 break; 1912 } 1913 1914 ret = sony_call_snc_handle(handle, probe_base, &result); 1915 if (ret) 1916 return ret; 1917 1918 if ((handle == 0x0137 && !(result & 0x02)) || 1919 !(result & 0x01)) { 1920 dprintk("no backlight keyboard found\n"); 1921 return 0; 1922 } 1923 1924 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); 1925 if (!kbdbl_ctl) 1926 return -ENOMEM; 1927 1928 kbdbl_ctl->mode = kbd_backlight; 1929 kbdbl_ctl->timeout = kbd_backlight_timeout; 1930 kbdbl_ctl->handle = handle; 1931 kbdbl_ctl->base = ctl_base; 1932 /* Some models do not allow timeout control */ 1933 kbdbl_ctl->has_timeout = handle != 0x0153; 1934 1935 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); 1936 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; 1937 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 1938 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; 1939 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; 1940 1941 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); 1942 if (ret) 1943 goto outkzalloc; 1944 1945 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode); 1946 1947 if (kbdbl_ctl->has_timeout) { 1948 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); 1949 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; 1950 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; 1951 kbdbl_ctl->timeout_attr.show = 1952 sony_nc_kbd_backlight_timeout_show; 1953 kbdbl_ctl->timeout_attr.store = 1954 sony_nc_kbd_backlight_timeout_store; 1955 1956 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1957 if (ret) 1958 goto outmode; 1959 1960 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout); 1961 } 1962 1963 1964 return 0; 1965 1966 outmode: 1967 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1968 outkzalloc: 1969 kfree(kbdbl_ctl); 1970 kbdbl_ctl = NULL; 1971 return ret; 1972 } 1973 1974 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd, 1975 unsigned int handle) 1976 { 1977 if (kbdbl_ctl && handle == kbdbl_ctl->handle) { 1978 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); 1979 if (kbdbl_ctl->has_timeout) 1980 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); 1981 kfree(kbdbl_ctl); 1982 kbdbl_ctl = NULL; 1983 } 1984 } 1985 1986 struct battery_care_control { 1987 struct device_attribute attrs[2]; 1988 unsigned int handle; 1989 }; 1990 static struct battery_care_control *bcare_ctl; 1991 1992 static ssize_t sony_nc_battery_care_limit_store(struct device *dev, 1993 struct device_attribute *attr, 1994 const char *buffer, size_t count) 1995 { 1996 unsigned int result, cmd; 1997 unsigned long value; 1998 1999 if (count > 31) 2000 return -EINVAL; 2001 2002 if (kstrtoul(buffer, 10, &value)) 2003 return -EINVAL; 2004 2005 /* limit values (2 bits): 2006 * 00 - none 2007 * 01 - 80% 2008 * 10 - 50% 2009 * 11 - 100% 2010 * 2011 * bit 0: 0 disable BCL, 1 enable BCL 2012 * bit 1: 1 tell to store the battery limit (see bits 6,7) too 2013 * bits 2,3: reserved 2014 * bits 4,5: store the limit into the EC 2015 * bits 6,7: store the limit into the battery 2016 */ 2017 cmd = 0; 2018 2019 if (value > 0) { 2020 if (value <= 50) 2021 cmd = 0x20; 2022 2023 else if (value <= 80) 2024 cmd = 0x10; 2025 2026 else if (value <= 100) 2027 cmd = 0x30; 2028 2029 else 2030 return -EINVAL; 2031 2032 /* 2033 * handle 0x0115 should allow storing on battery too; 2034 * handle 0x0136 same as 0x0115 + health status; 2035 * handle 0x013f, same as 0x0136 but no storing on the battery 2036 */ 2037 if (bcare_ctl->handle != 0x013f) 2038 cmd = cmd | (cmd << 2); 2039 2040 cmd = (cmd | 0x1) << 0x10; 2041 } 2042 2043 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) 2044 return -EIO; 2045 2046 return count; 2047 } 2048 2049 static ssize_t sony_nc_battery_care_limit_show(struct device *dev, 2050 struct device_attribute *attr, char *buffer) 2051 { 2052 unsigned int result, status; 2053 2054 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) 2055 return -EIO; 2056 2057 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; 2058 switch (status) { 2059 case 1: 2060 status = 80; 2061 break; 2062 case 2: 2063 status = 50; 2064 break; 2065 case 3: 2066 status = 100; 2067 break; 2068 default: 2069 status = 0; 2070 break; 2071 } 2072 2073 return snprintf(buffer, PAGE_SIZE, "%d\n", status); 2074 } 2075 2076 static ssize_t sony_nc_battery_care_health_show(struct device *dev, 2077 struct device_attribute *attr, char *buffer) 2078 { 2079 ssize_t count = 0; 2080 unsigned int health; 2081 2082 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) 2083 return -EIO; 2084 2085 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); 2086 2087 return count; 2088 } 2089 2090 static int sony_nc_battery_care_setup(struct platform_device *pd, 2091 unsigned int handle) 2092 { 2093 int ret = 0; 2094 2095 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); 2096 if (!bcare_ctl) 2097 return -ENOMEM; 2098 2099 bcare_ctl->handle = handle; 2100 2101 sysfs_attr_init(&bcare_ctl->attrs[0].attr); 2102 bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; 2103 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; 2104 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; 2105 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; 2106 2107 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); 2108 if (ret) 2109 goto outkzalloc; 2110 2111 /* 0x0115 is for models with no health reporting capability */ 2112 if (handle == 0x0115) 2113 return 0; 2114 2115 sysfs_attr_init(&bcare_ctl->attrs[1].attr); 2116 bcare_ctl->attrs[1].attr.name = "battery_care_health"; 2117 bcare_ctl->attrs[1].attr.mode = S_IRUGO; 2118 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; 2119 2120 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); 2121 if (ret) 2122 goto outlimiter; 2123 2124 return 0; 2125 2126 outlimiter: 2127 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2128 2129 outkzalloc: 2130 kfree(bcare_ctl); 2131 bcare_ctl = NULL; 2132 2133 return ret; 2134 } 2135 2136 static void sony_nc_battery_care_cleanup(struct platform_device *pd) 2137 { 2138 if (bcare_ctl) { 2139 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); 2140 if (bcare_ctl->handle != 0x0115) 2141 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); 2142 2143 kfree(bcare_ctl); 2144 bcare_ctl = NULL; 2145 } 2146 } 2147 2148 struct snc_thermal_ctrl { 2149 unsigned int mode; 2150 unsigned int profiles; 2151 struct device_attribute mode_attr; 2152 struct device_attribute profiles_attr; 2153 }; 2154 static struct snc_thermal_ctrl *th_handle; 2155 2156 #define THM_PROFILE_MAX 3 2157 static const char * const snc_thermal_profiles[] = { 2158 "balanced", 2159 "silent", 2160 "performance" 2161 }; 2162 2163 static int sony_nc_thermal_mode_set(unsigned short mode) 2164 { 2165 unsigned int result; 2166 2167 /* the thermal profile seems to be a two bit bitmask: 2168 * lsb -> silent 2169 * msb -> performance 2170 * no bit set is the normal operation and is always valid 2171 * Some vaio models only have "balanced" and "performance" 2172 */ 2173 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) 2174 return -EINVAL; 2175 2176 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) 2177 return -EIO; 2178 2179 th_handle->mode = mode; 2180 2181 return 0; 2182 } 2183 2184 static int sony_nc_thermal_mode_get(void) 2185 { 2186 unsigned int result; 2187 2188 if (sony_call_snc_handle(0x0122, 0x0100, &result)) 2189 return -EIO; 2190 2191 return result & 0xff; 2192 } 2193 2194 static ssize_t sony_nc_thermal_profiles_show(struct device *dev, 2195 struct device_attribute *attr, char *buffer) 2196 { 2197 short cnt; 2198 size_t idx = 0; 2199 2200 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { 2201 if (!cnt || (th_handle->profiles & cnt)) 2202 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", 2203 snc_thermal_profiles[cnt]); 2204 } 2205 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); 2206 2207 return idx; 2208 } 2209 2210 static ssize_t sony_nc_thermal_mode_store(struct device *dev, 2211 struct device_attribute *attr, 2212 const char *buffer, size_t count) 2213 { 2214 unsigned short cmd; 2215 size_t len = count; 2216 2217 if (count == 0) 2218 return -EINVAL; 2219 2220 /* skip the newline if present */ 2221 if (buffer[len - 1] == '\n') 2222 len--; 2223 2224 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) 2225 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) 2226 break; 2227 2228 if (sony_nc_thermal_mode_set(cmd)) 2229 return -EIO; 2230 2231 return count; 2232 } 2233 2234 static ssize_t sony_nc_thermal_mode_show(struct device *dev, 2235 struct device_attribute *attr, char *buffer) 2236 { 2237 ssize_t count = 0; 2238 int mode = sony_nc_thermal_mode_get(); 2239 2240 if (mode < 0) 2241 return mode; 2242 2243 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); 2244 2245 return count; 2246 } 2247 2248 static int sony_nc_thermal_setup(struct platform_device *pd) 2249 { 2250 int ret = 0; 2251 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); 2252 if (!th_handle) 2253 return -ENOMEM; 2254 2255 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); 2256 if (ret) { 2257 pr_warn("couldn't to read the thermal profiles\n"); 2258 goto outkzalloc; 2259 } 2260 2261 ret = sony_nc_thermal_mode_get(); 2262 if (ret < 0) { 2263 pr_warn("couldn't to read the current thermal profile"); 2264 goto outkzalloc; 2265 } 2266 th_handle->mode = ret; 2267 2268 sysfs_attr_init(&th_handle->profiles_attr.attr); 2269 th_handle->profiles_attr.attr.name = "thermal_profiles"; 2270 th_handle->profiles_attr.attr.mode = S_IRUGO; 2271 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; 2272 2273 sysfs_attr_init(&th_handle->mode_attr.attr); 2274 th_handle->mode_attr.attr.name = "thermal_control"; 2275 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; 2276 th_handle->mode_attr.show = sony_nc_thermal_mode_show; 2277 th_handle->mode_attr.store = sony_nc_thermal_mode_store; 2278 2279 ret = device_create_file(&pd->dev, &th_handle->profiles_attr); 2280 if (ret) 2281 goto outkzalloc; 2282 2283 ret = device_create_file(&pd->dev, &th_handle->mode_attr); 2284 if (ret) 2285 goto outprofiles; 2286 2287 return 0; 2288 2289 outprofiles: 2290 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2291 outkzalloc: 2292 kfree(th_handle); 2293 th_handle = NULL; 2294 return ret; 2295 } 2296 2297 static void sony_nc_thermal_cleanup(struct platform_device *pd) 2298 { 2299 if (th_handle) { 2300 device_remove_file(&pd->dev, &th_handle->profiles_attr); 2301 device_remove_file(&pd->dev, &th_handle->mode_attr); 2302 kfree(th_handle); 2303 th_handle = NULL; 2304 } 2305 } 2306 2307 #ifdef CONFIG_PM_SLEEP 2308 static void sony_nc_thermal_resume(void) 2309 { 2310 unsigned int status = sony_nc_thermal_mode_get(); 2311 2312 if (status != th_handle->mode) 2313 sony_nc_thermal_mode_set(th_handle->mode); 2314 } 2315 #endif 2316 2317 /* resume on LID open */ 2318 #define LID_RESUME_S5 0 2319 #define LID_RESUME_S4 1 2320 #define LID_RESUME_S3 2 2321 #define LID_RESUME_MAX 3 2322 struct snc_lid_resume_control { 2323 struct device_attribute attrs[LID_RESUME_MAX]; 2324 unsigned int status; 2325 int handle; 2326 }; 2327 static struct snc_lid_resume_control *lid_ctl; 2328 2329 static ssize_t sony_nc_lid_resume_store(struct device *dev, 2330 struct device_attribute *attr, 2331 const char *buffer, size_t count) 2332 { 2333 unsigned int result; 2334 unsigned long value; 2335 unsigned int pos = LID_RESUME_S5; 2336 if (count > 31) 2337 return -EINVAL; 2338 2339 if (kstrtoul(buffer, 10, &value) || value > 1) 2340 return -EINVAL; 2341 2342 /* the value we have to write to SNC is a bitmask: 2343 * +--------------+ 2344 * | S3 | S4 | S5 | 2345 * +--------------+ 2346 * 2 1 0 2347 */ 2348 while (pos < LID_RESUME_MAX) { 2349 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2350 break; 2351 pos++; 2352 } 2353 if (pos == LID_RESUME_MAX) 2354 return -EINVAL; 2355 2356 if (value) 2357 value = lid_ctl->status | (1 << pos); 2358 else 2359 value = lid_ctl->status & ~(1 << pos); 2360 2361 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100, 2362 &result)) 2363 return -EIO; 2364 2365 lid_ctl->status = value; 2366 2367 return count; 2368 } 2369 2370 static ssize_t sony_nc_lid_resume_show(struct device *dev, 2371 struct device_attribute *attr, 2372 char *buffer) 2373 { 2374 unsigned int pos = LID_RESUME_S5; 2375 2376 while (pos < LID_RESUME_MAX) { 2377 if (&lid_ctl->attrs[pos].attr == &attr->attr) 2378 return snprintf(buffer, PAGE_SIZE, "%d\n", 2379 (lid_ctl->status >> pos) & 0x01); 2380 pos++; 2381 } 2382 return -EINVAL; 2383 } 2384 2385 static int sony_nc_lid_resume_setup(struct platform_device *pd, 2386 unsigned int handle) 2387 { 2388 unsigned int result; 2389 int i; 2390 2391 if (sony_call_snc_handle(handle, 0x0000, &result)) 2392 return -EIO; 2393 2394 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); 2395 if (!lid_ctl) 2396 return -ENOMEM; 2397 2398 lid_ctl->status = result & 0x7; 2399 lid_ctl->handle = handle; 2400 2401 sysfs_attr_init(&lid_ctl->attrs[0].attr); 2402 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5"; 2403 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR; 2404 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show; 2405 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store; 2406 2407 if (handle == 0x0119) { 2408 sysfs_attr_init(&lid_ctl->attrs[1].attr); 2409 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4"; 2410 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR; 2411 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show; 2412 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store; 2413 2414 sysfs_attr_init(&lid_ctl->attrs[2].attr); 2415 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3"; 2416 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR; 2417 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show; 2418 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store; 2419 } 2420 for (i = 0; i < LID_RESUME_MAX && 2421 lid_ctl->attrs[i].attr.name; i++) { 2422 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); 2423 if (result) 2424 goto liderror; 2425 } 2426 2427 return 0; 2428 2429 liderror: 2430 for (i--; i >= 0; i--) 2431 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2432 2433 kfree(lid_ctl); 2434 lid_ctl = NULL; 2435 2436 return result; 2437 } 2438 2439 static void sony_nc_lid_resume_cleanup(struct platform_device *pd) 2440 { 2441 int i; 2442 2443 if (lid_ctl) { 2444 for (i = 0; i < LID_RESUME_MAX; i++) { 2445 if (!lid_ctl->attrs[i].attr.name) 2446 break; 2447 2448 device_remove_file(&pd->dev, &lid_ctl->attrs[i]); 2449 } 2450 2451 kfree(lid_ctl); 2452 lid_ctl = NULL; 2453 } 2454 } 2455 2456 /* GFX Switch position */ 2457 enum gfx_switch { 2458 SPEED, 2459 STAMINA, 2460 AUTO 2461 }; 2462 struct snc_gfx_switch_control { 2463 struct device_attribute attr; 2464 unsigned int handle; 2465 }; 2466 static struct snc_gfx_switch_control *gfxs_ctl; 2467 2468 /* returns 0 for speed, 1 for stamina */ 2469 static int __sony_nc_gfx_switch_status_get(void) 2470 { 2471 unsigned int result; 2472 2473 if (sony_call_snc_handle(gfxs_ctl->handle, 2474 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100, 2475 &result)) 2476 return -EIO; 2477 2478 switch (gfxs_ctl->handle) { 2479 case 0x0146: 2480 /* 1: discrete GFX (speed) 2481 * 0: integrated GFX (stamina) 2482 */ 2483 return result & 0x1 ? SPEED : STAMINA; 2484 break; 2485 case 0x015B: 2486 /* 0: discrete GFX (speed) 2487 * 1: integrated GFX (stamina) 2488 */ 2489 return result & 0x1 ? STAMINA : SPEED; 2490 break; 2491 case 0x0128: 2492 /* it's a more elaborated bitmask, for now: 2493 * 2: integrated GFX (stamina) 2494 * 0: discrete GFX (speed) 2495 */ 2496 dprintk("GFX Status: 0x%x\n", result); 2497 return result & 0x80 ? AUTO : 2498 result & 0x02 ? STAMINA : SPEED; 2499 break; 2500 } 2501 return -EINVAL; 2502 } 2503 2504 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, 2505 struct device_attribute *attr, 2506 char *buffer) 2507 { 2508 int pos = __sony_nc_gfx_switch_status_get(); 2509 2510 if (pos < 0) 2511 return pos; 2512 2513 return snprintf(buffer, PAGE_SIZE, "%s\n", 2514 pos == SPEED ? "speed" : 2515 pos == STAMINA ? "stamina" : 2516 pos == AUTO ? "auto" : "unknown"); 2517 } 2518 2519 static int sony_nc_gfx_switch_setup(struct platform_device *pd, 2520 unsigned int handle) 2521 { 2522 unsigned int result; 2523 2524 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); 2525 if (!gfxs_ctl) 2526 return -ENOMEM; 2527 2528 gfxs_ctl->handle = handle; 2529 2530 sysfs_attr_init(&gfxs_ctl->attr.attr); 2531 gfxs_ctl->attr.attr.name = "gfx_switch_status"; 2532 gfxs_ctl->attr.attr.mode = S_IRUGO; 2533 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; 2534 2535 result = device_create_file(&pd->dev, &gfxs_ctl->attr); 2536 if (result) 2537 goto gfxerror; 2538 2539 return 0; 2540 2541 gfxerror: 2542 kfree(gfxs_ctl); 2543 gfxs_ctl = NULL; 2544 2545 return result; 2546 } 2547 2548 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) 2549 { 2550 if (gfxs_ctl) { 2551 device_remove_file(&pd->dev, &gfxs_ctl->attr); 2552 2553 kfree(gfxs_ctl); 2554 gfxs_ctl = NULL; 2555 } 2556 } 2557 2558 /* High speed charging function */ 2559 static struct device_attribute *hsc_handle; 2560 2561 static ssize_t sony_nc_highspeed_charging_store(struct device *dev, 2562 struct device_attribute *attr, 2563 const char *buffer, size_t count) 2564 { 2565 unsigned int result; 2566 unsigned long value; 2567 2568 if (count > 31) 2569 return -EINVAL; 2570 2571 if (kstrtoul(buffer, 10, &value) || value > 1) 2572 return -EINVAL; 2573 2574 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) 2575 return -EIO; 2576 2577 return count; 2578 } 2579 2580 static ssize_t sony_nc_highspeed_charging_show(struct device *dev, 2581 struct device_attribute *attr, char *buffer) 2582 { 2583 unsigned int result; 2584 2585 if (sony_call_snc_handle(0x0131, 0x0100, &result)) 2586 return -EIO; 2587 2588 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2589 } 2590 2591 static int sony_nc_highspeed_charging_setup(struct platform_device *pd) 2592 { 2593 unsigned int result; 2594 2595 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { 2596 /* some models advertise the handle but have no implementation 2597 * for it 2598 */ 2599 pr_info("No High Speed Charging capability found\n"); 2600 return 0; 2601 } 2602 2603 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2604 if (!hsc_handle) 2605 return -ENOMEM; 2606 2607 sysfs_attr_init(&hsc_handle->attr); 2608 hsc_handle->attr.name = "battery_highspeed_charging"; 2609 hsc_handle->attr.mode = S_IRUGO | S_IWUSR; 2610 hsc_handle->show = sony_nc_highspeed_charging_show; 2611 hsc_handle->store = sony_nc_highspeed_charging_store; 2612 2613 result = device_create_file(&pd->dev, hsc_handle); 2614 if (result) { 2615 kfree(hsc_handle); 2616 hsc_handle = NULL; 2617 return result; 2618 } 2619 2620 return 0; 2621 } 2622 2623 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) 2624 { 2625 if (hsc_handle) { 2626 device_remove_file(&pd->dev, hsc_handle); 2627 kfree(hsc_handle); 2628 hsc_handle = NULL; 2629 } 2630 } 2631 2632 /* low battery function */ 2633 static struct device_attribute *lowbatt_handle; 2634 2635 static ssize_t sony_nc_lowbatt_store(struct device *dev, 2636 struct device_attribute *attr, 2637 const char *buffer, size_t count) 2638 { 2639 unsigned int result; 2640 unsigned long value; 2641 2642 if (count > 31) 2643 return -EINVAL; 2644 2645 if (kstrtoul(buffer, 10, &value) || value > 1) 2646 return -EINVAL; 2647 2648 if (sony_call_snc_handle(0x0121, value << 8, &result)) 2649 return -EIO; 2650 2651 return count; 2652 } 2653 2654 static ssize_t sony_nc_lowbatt_show(struct device *dev, 2655 struct device_attribute *attr, char *buffer) 2656 { 2657 unsigned int result; 2658 2659 if (sony_call_snc_handle(0x0121, 0x0200, &result)) 2660 return -EIO; 2661 2662 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1); 2663 } 2664 2665 static int sony_nc_lowbatt_setup(struct platform_device *pd) 2666 { 2667 unsigned int result; 2668 2669 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2670 if (!lowbatt_handle) 2671 return -ENOMEM; 2672 2673 sysfs_attr_init(&lowbatt_handle->attr); 2674 lowbatt_handle->attr.name = "lowbatt_hibernate"; 2675 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR; 2676 lowbatt_handle->show = sony_nc_lowbatt_show; 2677 lowbatt_handle->store = sony_nc_lowbatt_store; 2678 2679 result = device_create_file(&pd->dev, lowbatt_handle); 2680 if (result) { 2681 kfree(lowbatt_handle); 2682 lowbatt_handle = NULL; 2683 return result; 2684 } 2685 2686 return 0; 2687 } 2688 2689 static void sony_nc_lowbatt_cleanup(struct platform_device *pd) 2690 { 2691 if (lowbatt_handle) { 2692 device_remove_file(&pd->dev, lowbatt_handle); 2693 kfree(lowbatt_handle); 2694 lowbatt_handle = NULL; 2695 } 2696 } 2697 2698 /* fan speed function */ 2699 static struct device_attribute *fan_handle, *hsf_handle; 2700 2701 static ssize_t sony_nc_hsfan_store(struct device *dev, 2702 struct device_attribute *attr, 2703 const char *buffer, size_t count) 2704 { 2705 unsigned int result; 2706 unsigned long value; 2707 2708 if (count > 31) 2709 return -EINVAL; 2710 2711 if (kstrtoul(buffer, 10, &value) || value > 1) 2712 return -EINVAL; 2713 2714 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result)) 2715 return -EIO; 2716 2717 return count; 2718 } 2719 2720 static ssize_t sony_nc_hsfan_show(struct device *dev, 2721 struct device_attribute *attr, char *buffer) 2722 { 2723 unsigned int result; 2724 2725 if (sony_call_snc_handle(0x0149, 0x0100, &result)) 2726 return -EIO; 2727 2728 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2729 } 2730 2731 static ssize_t sony_nc_fanspeed_show(struct device *dev, 2732 struct device_attribute *attr, char *buffer) 2733 { 2734 unsigned int result; 2735 2736 if (sony_call_snc_handle(0x0149, 0x0300, &result)) 2737 return -EIO; 2738 2739 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff); 2740 } 2741 2742 static int sony_nc_fanspeed_setup(struct platform_device *pd) 2743 { 2744 unsigned int result; 2745 2746 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2747 if (!fan_handle) 2748 return -ENOMEM; 2749 2750 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2751 if (!hsf_handle) { 2752 result = -ENOMEM; 2753 goto out_hsf_handle_alloc; 2754 } 2755 2756 sysfs_attr_init(&fan_handle->attr); 2757 fan_handle->attr.name = "fanspeed"; 2758 fan_handle->attr.mode = S_IRUGO; 2759 fan_handle->show = sony_nc_fanspeed_show; 2760 fan_handle->store = NULL; 2761 2762 sysfs_attr_init(&hsf_handle->attr); 2763 hsf_handle->attr.name = "fan_forced"; 2764 hsf_handle->attr.mode = S_IRUGO | S_IWUSR; 2765 hsf_handle->show = sony_nc_hsfan_show; 2766 hsf_handle->store = sony_nc_hsfan_store; 2767 2768 result = device_create_file(&pd->dev, fan_handle); 2769 if (result) 2770 goto out_fan_handle; 2771 2772 result = device_create_file(&pd->dev, hsf_handle); 2773 if (result) 2774 goto out_hsf_handle; 2775 2776 return 0; 2777 2778 out_hsf_handle: 2779 device_remove_file(&pd->dev, fan_handle); 2780 2781 out_fan_handle: 2782 kfree(hsf_handle); 2783 hsf_handle = NULL; 2784 2785 out_hsf_handle_alloc: 2786 kfree(fan_handle); 2787 fan_handle = NULL; 2788 return result; 2789 } 2790 2791 static void sony_nc_fanspeed_cleanup(struct platform_device *pd) 2792 { 2793 if (fan_handle) { 2794 device_remove_file(&pd->dev, fan_handle); 2795 kfree(fan_handle); 2796 fan_handle = NULL; 2797 } 2798 if (hsf_handle) { 2799 device_remove_file(&pd->dev, hsf_handle); 2800 kfree(hsf_handle); 2801 hsf_handle = NULL; 2802 } 2803 } 2804 2805 /* USB charge function */ 2806 static struct device_attribute *uc_handle; 2807 2808 static ssize_t sony_nc_usb_charge_store(struct device *dev, 2809 struct device_attribute *attr, 2810 const char *buffer, size_t count) 2811 { 2812 unsigned int result; 2813 unsigned long value; 2814 2815 if (count > 31) 2816 return -EINVAL; 2817 2818 if (kstrtoul(buffer, 10, &value) || value > 1) 2819 return -EINVAL; 2820 2821 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result)) 2822 return -EIO; 2823 2824 return count; 2825 } 2826 2827 static ssize_t sony_nc_usb_charge_show(struct device *dev, 2828 struct device_attribute *attr, char *buffer) 2829 { 2830 unsigned int result; 2831 2832 if (sony_call_snc_handle(0x0155, 0x0000, &result)) 2833 return -EIO; 2834 2835 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); 2836 } 2837 2838 static int sony_nc_usb_charge_setup(struct platform_device *pd) 2839 { 2840 unsigned int result; 2841 2842 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) { 2843 /* some models advertise the handle but have no implementation 2844 * for it 2845 */ 2846 pr_info("No USB Charge capability found\n"); 2847 return 0; 2848 } 2849 2850 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2851 if (!uc_handle) 2852 return -ENOMEM; 2853 2854 sysfs_attr_init(&uc_handle->attr); 2855 uc_handle->attr.name = "usb_charge"; 2856 uc_handle->attr.mode = S_IRUGO | S_IWUSR; 2857 uc_handle->show = sony_nc_usb_charge_show; 2858 uc_handle->store = sony_nc_usb_charge_store; 2859 2860 result = device_create_file(&pd->dev, uc_handle); 2861 if (result) { 2862 kfree(uc_handle); 2863 uc_handle = NULL; 2864 return result; 2865 } 2866 2867 return 0; 2868 } 2869 2870 static void sony_nc_usb_charge_cleanup(struct platform_device *pd) 2871 { 2872 if (uc_handle) { 2873 device_remove_file(&pd->dev, uc_handle); 2874 kfree(uc_handle); 2875 uc_handle = NULL; 2876 } 2877 } 2878 2879 /* Panel ID function */ 2880 static struct device_attribute *panel_handle; 2881 2882 static ssize_t sony_nc_panelid_show(struct device *dev, 2883 struct device_attribute *attr, char *buffer) 2884 { 2885 unsigned int result; 2886 2887 if (sony_call_snc_handle(0x011D, 0x0000, &result)) 2888 return -EIO; 2889 2890 return snprintf(buffer, PAGE_SIZE, "%d\n", result); 2891 } 2892 2893 static int sony_nc_panelid_setup(struct platform_device *pd) 2894 { 2895 unsigned int result; 2896 2897 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2898 if (!panel_handle) 2899 return -ENOMEM; 2900 2901 sysfs_attr_init(&panel_handle->attr); 2902 panel_handle->attr.name = "panel_id"; 2903 panel_handle->attr.mode = S_IRUGO; 2904 panel_handle->show = sony_nc_panelid_show; 2905 panel_handle->store = NULL; 2906 2907 result = device_create_file(&pd->dev, panel_handle); 2908 if (result) { 2909 kfree(panel_handle); 2910 panel_handle = NULL; 2911 return result; 2912 } 2913 2914 return 0; 2915 } 2916 2917 static void sony_nc_panelid_cleanup(struct platform_device *pd) 2918 { 2919 if (panel_handle) { 2920 device_remove_file(&pd->dev, panel_handle); 2921 kfree(panel_handle); 2922 panel_handle = NULL; 2923 } 2924 } 2925 2926 /* smart connect function */ 2927 static struct device_attribute *sc_handle; 2928 2929 static ssize_t sony_nc_smart_conn_store(struct device *dev, 2930 struct device_attribute *attr, 2931 const char *buffer, size_t count) 2932 { 2933 unsigned int result; 2934 unsigned long value; 2935 2936 if (count > 31) 2937 return -EINVAL; 2938 2939 if (kstrtoul(buffer, 10, &value) || value > 1) 2940 return -EINVAL; 2941 2942 if (sony_call_snc_handle(0x0168, value << 0x10, &result)) 2943 return -EIO; 2944 2945 return count; 2946 } 2947 2948 static int sony_nc_smart_conn_setup(struct platform_device *pd) 2949 { 2950 unsigned int result; 2951 2952 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); 2953 if (!sc_handle) 2954 return -ENOMEM; 2955 2956 sysfs_attr_init(&sc_handle->attr); 2957 sc_handle->attr.name = "smart_connect"; 2958 sc_handle->attr.mode = S_IWUSR; 2959 sc_handle->show = NULL; 2960 sc_handle->store = sony_nc_smart_conn_store; 2961 2962 result = device_create_file(&pd->dev, sc_handle); 2963 if (result) { 2964 kfree(sc_handle); 2965 sc_handle = NULL; 2966 return result; 2967 } 2968 2969 return 0; 2970 } 2971 2972 static void sony_nc_smart_conn_cleanup(struct platform_device *pd) 2973 { 2974 if (sc_handle) { 2975 device_remove_file(&pd->dev, sc_handle); 2976 kfree(sc_handle); 2977 sc_handle = NULL; 2978 } 2979 } 2980 2981 /* Touchpad enable/disable */ 2982 struct touchpad_control { 2983 struct device_attribute attr; 2984 int handle; 2985 }; 2986 static struct touchpad_control *tp_ctl; 2987 2988 static ssize_t sony_nc_touchpad_store(struct device *dev, 2989 struct device_attribute *attr, const char *buffer, size_t count) 2990 { 2991 unsigned int result; 2992 unsigned long value; 2993 2994 if (count > 31) 2995 return -EINVAL; 2996 2997 if (kstrtoul(buffer, 10, &value) || value > 1) 2998 return -EINVAL; 2999 3000 /* sysfs: 0 disabled, 1 enabled 3001 * EC: 0 enabled, 1 disabled 3002 */ 3003 if (sony_call_snc_handle(tp_ctl->handle, 3004 (!value << 0x10) | 0x100, &result)) 3005 return -EIO; 3006 3007 return count; 3008 } 3009 3010 static ssize_t sony_nc_touchpad_show(struct device *dev, 3011 struct device_attribute *attr, char *buffer) 3012 { 3013 unsigned int result; 3014 3015 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) 3016 return -EINVAL; 3017 3018 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); 3019 } 3020 3021 static int sony_nc_touchpad_setup(struct platform_device *pd, 3022 unsigned int handle) 3023 { 3024 int ret = 0; 3025 3026 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); 3027 if (!tp_ctl) 3028 return -ENOMEM; 3029 3030 tp_ctl->handle = handle; 3031 3032 sysfs_attr_init(&tp_ctl->attr.attr); 3033 tp_ctl->attr.attr.name = "touchpad"; 3034 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; 3035 tp_ctl->attr.show = sony_nc_touchpad_show; 3036 tp_ctl->attr.store = sony_nc_touchpad_store; 3037 3038 ret = device_create_file(&pd->dev, &tp_ctl->attr); 3039 if (ret) { 3040 kfree(tp_ctl); 3041 tp_ctl = NULL; 3042 } 3043 3044 return ret; 3045 } 3046 3047 static void sony_nc_touchpad_cleanup(struct platform_device *pd) 3048 { 3049 if (tp_ctl) { 3050 device_remove_file(&pd->dev, &tp_ctl->attr); 3051 kfree(tp_ctl); 3052 tp_ctl = NULL; 3053 } 3054 } 3055 3056 static void sony_nc_backlight_ng_read_limits(int handle, 3057 struct sony_backlight_props *props) 3058 { 3059 u64 offset; 3060 int i; 3061 int lvl_table_len = 0; 3062 u8 min = 0xff, max = 0x00; 3063 unsigned char buffer[32] = { 0 }; 3064 3065 props->handle = handle; 3066 props->offset = 0; 3067 props->maxlvl = 0xff; 3068 3069 offset = sony_find_snc_handle(handle); 3070 3071 /* try to read the boundaries from ACPI tables, if we fail the above 3072 * defaults should be reasonable 3073 */ 3074 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 3075 32); 3076 if (i < 0) 3077 return; 3078 3079 switch (handle) { 3080 case 0x012f: 3081 case 0x0137: 3082 lvl_table_len = 9; 3083 break; 3084 case 0x143: 3085 case 0x14b: 3086 case 0x14c: 3087 lvl_table_len = 16; 3088 break; 3089 } 3090 3091 /* the buffer lists brightness levels available, brightness levels are 3092 * from position 0 to 8 in the array, other values are used by ALS 3093 * control. 3094 */ 3095 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { 3096 3097 dprintk("Brightness level: %d\n", buffer[i]); 3098 3099 if (!buffer[i]) 3100 break; 3101 3102 if (buffer[i] > max) 3103 max = buffer[i]; 3104 if (buffer[i] < min) 3105 min = buffer[i]; 3106 } 3107 props->offset = min; 3108 props->maxlvl = max; 3109 dprintk("Brightness levels: min=%d max=%d\n", props->offset, 3110 props->maxlvl); 3111 } 3112 3113 static void sony_nc_backlight_setup(void) 3114 { 3115 int max_brightness = 0; 3116 const struct backlight_ops *ops = NULL; 3117 struct backlight_properties props; 3118 3119 if (sony_find_snc_handle(0x12f) >= 0) { 3120 ops = &sony_backlight_ng_ops; 3121 sony_bl_props.cmd_base = 0x0100; 3122 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); 3123 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3124 3125 } else if (sony_find_snc_handle(0x137) >= 0) { 3126 ops = &sony_backlight_ng_ops; 3127 sony_bl_props.cmd_base = 0x0100; 3128 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); 3129 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3130 3131 } else if (sony_find_snc_handle(0x143) >= 0) { 3132 ops = &sony_backlight_ng_ops; 3133 sony_bl_props.cmd_base = 0x3000; 3134 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); 3135 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3136 3137 } else if (sony_find_snc_handle(0x14b) >= 0) { 3138 ops = &sony_backlight_ng_ops; 3139 sony_bl_props.cmd_base = 0x3000; 3140 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); 3141 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3142 3143 } else if (sony_find_snc_handle(0x14c) >= 0) { 3144 ops = &sony_backlight_ng_ops; 3145 sony_bl_props.cmd_base = 0x3000; 3146 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); 3147 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; 3148 3149 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) { 3150 ops = &sony_backlight_ops; 3151 max_brightness = SONY_MAX_BRIGHTNESS - 1; 3152 3153 } else 3154 return; 3155 3156 memset(&props, 0, sizeof(struct backlight_properties)); 3157 props.type = BACKLIGHT_PLATFORM; 3158 props.max_brightness = max_brightness; 3159 sony_bl_props.dev = backlight_device_register("sony", NULL, 3160 &sony_bl_props, 3161 ops, &props); 3162 3163 if (IS_ERR(sony_bl_props.dev)) { 3164 pr_warn("unable to register backlight device\n"); 3165 sony_bl_props.dev = NULL; 3166 } else 3167 sony_bl_props.dev->props.brightness = 3168 ops->get_brightness(sony_bl_props.dev); 3169 } 3170 3171 static void sony_nc_backlight_cleanup(void) 3172 { 3173 backlight_device_unregister(sony_bl_props.dev); 3174 } 3175 3176 static int sony_nc_add(struct acpi_device *device) 3177 { 3178 acpi_status status; 3179 int result = 0; 3180 struct sony_nc_value *item; 3181 3182 sony_nc_acpi_device = device; 3183 strcpy(acpi_device_class(device), "sony/hotkey"); 3184 3185 sony_nc_acpi_handle = device->handle; 3186 3187 /* read device status */ 3188 result = acpi_bus_get_status(device); 3189 /* bail IFF the above call was successful and the device is not present */ 3190 if (!result && !device->status.present) { 3191 dprintk("Device not present\n"); 3192 result = -ENODEV; 3193 goto outwalk; 3194 } 3195 3196 result = sony_pf_add(); 3197 if (result) 3198 goto outpresent; 3199 3200 if (debug) { 3201 status = acpi_walk_namespace(ACPI_TYPE_METHOD, 3202 sony_nc_acpi_handle, 1, sony_walk_callback, 3203 NULL, NULL, NULL); 3204 if (ACPI_FAILURE(status)) { 3205 pr_warn("unable to walk acpi resources\n"); 3206 result = -ENODEV; 3207 goto outpresent; 3208 } 3209 } 3210 3211 result = sony_laptop_setup_input(device); 3212 if (result) { 3213 pr_err("Unable to create input devices\n"); 3214 goto outplatform; 3215 } 3216 3217 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) { 3218 int arg = 1; 3219 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) 3220 dprintk("ECON Method failed\n"); 3221 } 3222 3223 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) { 3224 dprintk("Doing SNC setup\n"); 3225 /* retrieve the available handles */ 3226 result = sony_nc_handles_setup(sony_pf_device); 3227 if (!result) 3228 sony_nc_function_setup(device, sony_pf_device); 3229 } 3230 3231 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) 3232 sony_nc_backlight_setup(); 3233 3234 /* create sony_pf sysfs attributes related to the SNC device */ 3235 for (item = sony_nc_values; item->name; ++item) { 3236 3237 if (!debug && item->debug) 3238 continue; 3239 3240 /* find the available acpiget as described in the DSDT */ 3241 for (; item->acpiget && *item->acpiget; ++item->acpiget) { 3242 if (acpi_has_method(sony_nc_acpi_handle, 3243 *item->acpiget)) { 3244 dprintk("Found %s getter: %s\n", 3245 item->name, *item->acpiget); 3246 item->devattr.attr.mode |= S_IRUGO; 3247 break; 3248 } 3249 } 3250 3251 /* find the available acpiset as described in the DSDT */ 3252 for (; item->acpiset && *item->acpiset; ++item->acpiset) { 3253 if (acpi_has_method(sony_nc_acpi_handle, 3254 *item->acpiset)) { 3255 dprintk("Found %s setter: %s\n", 3256 item->name, *item->acpiset); 3257 item->devattr.attr.mode |= S_IWUSR; 3258 break; 3259 } 3260 } 3261 3262 if (item->devattr.attr.mode != 0) { 3263 result = 3264 device_create_file(&sony_pf_device->dev, 3265 &item->devattr); 3266 if (result) 3267 goto out_sysfs; 3268 } 3269 } 3270 3271 pr_info("SNC setup done.\n"); 3272 return 0; 3273 3274 out_sysfs: 3275 for (item = sony_nc_values; item->name; ++item) { 3276 device_remove_file(&sony_pf_device->dev, &item->devattr); 3277 } 3278 sony_nc_backlight_cleanup(); 3279 sony_nc_function_cleanup(sony_pf_device); 3280 sony_nc_handles_cleanup(sony_pf_device); 3281 3282 outplatform: 3283 sony_laptop_remove_input(); 3284 3285 outpresent: 3286 sony_pf_remove(); 3287 3288 outwalk: 3289 sony_nc_rfkill_cleanup(); 3290 return result; 3291 } 3292 3293 static int sony_nc_remove(struct acpi_device *device) 3294 { 3295 struct sony_nc_value *item; 3296 3297 sony_nc_backlight_cleanup(); 3298 3299 sony_nc_acpi_device = NULL; 3300 3301 for (item = sony_nc_values; item->name; ++item) { 3302 device_remove_file(&sony_pf_device->dev, &item->devattr); 3303 } 3304 3305 sony_nc_function_cleanup(sony_pf_device); 3306 sony_nc_handles_cleanup(sony_pf_device); 3307 sony_pf_remove(); 3308 sony_laptop_remove_input(); 3309 dprintk(SONY_NC_DRIVER_NAME " removed.\n"); 3310 3311 return 0; 3312 } 3313 3314 static const struct acpi_device_id sony_device_ids[] = { 3315 {SONY_NC_HID, 0}, 3316 {SONY_PIC_HID, 0}, 3317 {"", 0}, 3318 }; 3319 MODULE_DEVICE_TABLE(acpi, sony_device_ids); 3320 3321 static const struct acpi_device_id sony_nc_device_ids[] = { 3322 {SONY_NC_HID, 0}, 3323 {"", 0}, 3324 }; 3325 3326 static struct acpi_driver sony_nc_driver = { 3327 .name = SONY_NC_DRIVER_NAME, 3328 .class = SONY_NC_CLASS, 3329 .ids = sony_nc_device_ids, 3330 .owner = THIS_MODULE, 3331 .ops = { 3332 .add = sony_nc_add, 3333 .remove = sony_nc_remove, 3334 .notify = sony_nc_notify, 3335 }, 3336 .drv.pm = &sony_nc_pm, 3337 }; 3338 3339 /*********** SPIC (SNY6001) Device ***********/ 3340 3341 #define SONYPI_DEVICE_TYPE1 0x00000001 3342 #define SONYPI_DEVICE_TYPE2 0x00000002 3343 #define SONYPI_DEVICE_TYPE3 0x00000004 3344 3345 #define SONYPI_TYPE1_OFFSET 0x04 3346 #define SONYPI_TYPE2_OFFSET 0x12 3347 #define SONYPI_TYPE3_OFFSET 0x12 3348 3349 struct sony_pic_ioport { 3350 struct acpi_resource_io io1; 3351 struct acpi_resource_io io2; 3352 struct list_head list; 3353 }; 3354 3355 struct sony_pic_irq { 3356 struct acpi_resource_irq irq; 3357 struct list_head list; 3358 }; 3359 3360 struct sonypi_eventtypes { 3361 u8 data; 3362 unsigned long mask; 3363 struct sonypi_event *events; 3364 }; 3365 3366 struct sony_pic_dev { 3367 struct acpi_device *acpi_dev; 3368 struct sony_pic_irq *cur_irq; 3369 struct sony_pic_ioport *cur_ioport; 3370 struct list_head interrupts; 3371 struct list_head ioports; 3372 struct mutex lock; 3373 struct sonypi_eventtypes *event_types; 3374 int (*handle_irq)(const u8, const u8); 3375 int model; 3376 u16 evport_offset; 3377 u8 camera_power; 3378 u8 bluetooth_power; 3379 u8 wwan_power; 3380 }; 3381 3382 static struct sony_pic_dev spic_dev = { 3383 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), 3384 .ioports = LIST_HEAD_INIT(spic_dev.ioports), 3385 }; 3386 3387 static int spic_drv_registered; 3388 3389 /* Event masks */ 3390 #define SONYPI_JOGGER_MASK 0x00000001 3391 #define SONYPI_CAPTURE_MASK 0x00000002 3392 #define SONYPI_FNKEY_MASK 0x00000004 3393 #define SONYPI_BLUETOOTH_MASK 0x00000008 3394 #define SONYPI_PKEY_MASK 0x00000010 3395 #define SONYPI_BACK_MASK 0x00000020 3396 #define SONYPI_HELP_MASK 0x00000040 3397 #define SONYPI_LID_MASK 0x00000080 3398 #define SONYPI_ZOOM_MASK 0x00000100 3399 #define SONYPI_THUMBPHRASE_MASK 0x00000200 3400 #define SONYPI_MEYE_MASK 0x00000400 3401 #define SONYPI_MEMORYSTICK_MASK 0x00000800 3402 #define SONYPI_BATTERY_MASK 0x00001000 3403 #define SONYPI_WIRELESS_MASK 0x00002000 3404 3405 struct sonypi_event { 3406 u8 data; 3407 u8 event; 3408 }; 3409 3410 /* The set of possible button release events */ 3411 static struct sonypi_event sonypi_releaseev[] = { 3412 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, 3413 { 0, 0 } 3414 }; 3415 3416 /* The set of possible jogger events */ 3417 static struct sonypi_event sonypi_joggerev[] = { 3418 { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, 3419 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, 3420 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, 3421 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, 3422 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, 3423 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, 3424 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, 3425 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, 3426 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, 3427 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, 3428 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, 3429 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, 3430 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, 3431 { 0, 0 } 3432 }; 3433 3434 /* The set of possible capture button events */ 3435 static struct sonypi_event sonypi_captureev[] = { 3436 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, 3437 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, 3438 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, 3439 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, 3440 { 0, 0 } 3441 }; 3442 3443 /* The set of possible fnkeys events */ 3444 static struct sonypi_event sonypi_fnkeyev[] = { 3445 { 0x10, SONYPI_EVENT_FNKEY_ESC }, 3446 { 0x11, SONYPI_EVENT_FNKEY_F1 }, 3447 { 0x12, SONYPI_EVENT_FNKEY_F2 }, 3448 { 0x13, SONYPI_EVENT_FNKEY_F3 }, 3449 { 0x14, SONYPI_EVENT_FNKEY_F4 }, 3450 { 0x15, SONYPI_EVENT_FNKEY_F5 }, 3451 { 0x16, SONYPI_EVENT_FNKEY_F6 }, 3452 { 0x17, SONYPI_EVENT_FNKEY_F7 }, 3453 { 0x18, SONYPI_EVENT_FNKEY_F8 }, 3454 { 0x19, SONYPI_EVENT_FNKEY_F9 }, 3455 { 0x1a, SONYPI_EVENT_FNKEY_F10 }, 3456 { 0x1b, SONYPI_EVENT_FNKEY_F11 }, 3457 { 0x1c, SONYPI_EVENT_FNKEY_F12 }, 3458 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, 3459 { 0x21, SONYPI_EVENT_FNKEY_1 }, 3460 { 0x22, SONYPI_EVENT_FNKEY_2 }, 3461 { 0x31, SONYPI_EVENT_FNKEY_D }, 3462 { 0x32, SONYPI_EVENT_FNKEY_E }, 3463 { 0x33, SONYPI_EVENT_FNKEY_F }, 3464 { 0x34, SONYPI_EVENT_FNKEY_S }, 3465 { 0x35, SONYPI_EVENT_FNKEY_B }, 3466 { 0x36, SONYPI_EVENT_FNKEY_ONLY }, 3467 { 0, 0 } 3468 }; 3469 3470 /* The set of possible program key events */ 3471 static struct sonypi_event sonypi_pkeyev[] = { 3472 { 0x01, SONYPI_EVENT_PKEY_P1 }, 3473 { 0x02, SONYPI_EVENT_PKEY_P2 }, 3474 { 0x04, SONYPI_EVENT_PKEY_P3 }, 3475 { 0x20, SONYPI_EVENT_PKEY_P1 }, 3476 { 0, 0 } 3477 }; 3478 3479 /* The set of possible bluetooth events */ 3480 static struct sonypi_event sonypi_blueev[] = { 3481 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, 3482 { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, 3483 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, 3484 { 0, 0 } 3485 }; 3486 3487 /* The set of possible wireless events */ 3488 static struct sonypi_event sonypi_wlessev[] = { 3489 { 0x59, SONYPI_EVENT_IGNORE }, 3490 { 0x5a, SONYPI_EVENT_IGNORE }, 3491 { 0, 0 } 3492 }; 3493 3494 /* The set of possible back button events */ 3495 static struct sonypi_event sonypi_backev[] = { 3496 { 0x20, SONYPI_EVENT_BACK_PRESSED }, 3497 { 0, 0 } 3498 }; 3499 3500 /* The set of possible help button events */ 3501 static struct sonypi_event sonypi_helpev[] = { 3502 { 0x3b, SONYPI_EVENT_HELP_PRESSED }, 3503 { 0, 0 } 3504 }; 3505 3506 3507 /* The set of possible lid events */ 3508 static struct sonypi_event sonypi_lidev[] = { 3509 { 0x51, SONYPI_EVENT_LID_CLOSED }, 3510 { 0x50, SONYPI_EVENT_LID_OPENED }, 3511 { 0, 0 } 3512 }; 3513 3514 /* The set of possible zoom events */ 3515 static struct sonypi_event sonypi_zoomev[] = { 3516 { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, 3517 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, 3518 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, 3519 { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, 3520 { 0, 0 } 3521 }; 3522 3523 /* The set of possible thumbphrase events */ 3524 static struct sonypi_event sonypi_thumbphraseev[] = { 3525 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, 3526 { 0, 0 } 3527 }; 3528 3529 /* The set of possible motioneye camera events */ 3530 static struct sonypi_event sonypi_meyeev[] = { 3531 { 0x00, SONYPI_EVENT_MEYE_FACE }, 3532 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, 3533 { 0, 0 } 3534 }; 3535 3536 /* The set of possible memorystick events */ 3537 static struct sonypi_event sonypi_memorystickev[] = { 3538 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, 3539 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, 3540 { 0, 0 } 3541 }; 3542 3543 /* The set of possible battery events */ 3544 static struct sonypi_event sonypi_batteryev[] = { 3545 { 0x20, SONYPI_EVENT_BATTERY_INSERT }, 3546 { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, 3547 { 0, 0 } 3548 }; 3549 3550 /* The set of possible volume events */ 3551 static struct sonypi_event sonypi_volumeev[] = { 3552 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, 3553 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, 3554 { 0, 0 } 3555 }; 3556 3557 /* The set of possible brightness events */ 3558 static struct sonypi_event sonypi_brightnessev[] = { 3559 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, 3560 { 0, 0 } 3561 }; 3562 3563 static struct sonypi_eventtypes type1_events[] = { 3564 { 0, 0xffffffff, sonypi_releaseev }, 3565 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, 3566 { 0x30, SONYPI_LID_MASK, sonypi_lidev }, 3567 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3568 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3569 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3570 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3571 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3572 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3573 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3574 { 0 }, 3575 }; 3576 static struct sonypi_eventtypes type2_events[] = { 3577 { 0, 0xffffffff, sonypi_releaseev }, 3578 { 0x38, SONYPI_LID_MASK, sonypi_lidev }, 3579 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, 3580 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3581 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3582 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, 3583 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3584 { 0x11, SONYPI_BACK_MASK, sonypi_backev }, 3585 { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, 3586 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3587 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, 3588 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3589 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3590 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3591 { 0 }, 3592 }; 3593 static struct sonypi_eventtypes type3_events[] = { 3594 { 0, 0xffffffff, sonypi_releaseev }, 3595 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, 3596 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, 3597 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, 3598 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, 3599 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3600 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, 3601 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, 3602 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, 3603 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, 3604 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, 3605 { 0 }, 3606 }; 3607 3608 /* low level spic calls */ 3609 #define ITERATIONS_LONG 10000 3610 #define ITERATIONS_SHORT 10 3611 #define wait_on_command(command, iterations) { \ 3612 unsigned int n = iterations; \ 3613 while (--n && (command)) \ 3614 udelay(1); \ 3615 if (!n) \ 3616 dprintk("command failed at %s : %s (line %d)\n", \ 3617 __FILE__, __func__, __LINE__); \ 3618 } 3619 3620 static u8 sony_pic_call1(u8 dev) 3621 { 3622 u8 v1, v2; 3623 3624 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3625 ITERATIONS_LONG); 3626 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3627 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); 3628 v2 = inb_p(spic_dev.cur_ioport->io1.minimum); 3629 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); 3630 return v2; 3631 } 3632 3633 static u8 sony_pic_call2(u8 dev, u8 fn) 3634 { 3635 u8 v1; 3636 3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3638 ITERATIONS_LONG); 3639 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3640 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, 3641 ITERATIONS_LONG); 3642 outb(fn, spic_dev.cur_ioport->io1.minimum); 3643 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3644 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); 3645 return v1; 3646 } 3647 3648 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) 3649 { 3650 u8 v1; 3651 3652 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3653 outb(dev, spic_dev.cur_ioport->io1.minimum + 4); 3654 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3655 outb(fn, spic_dev.cur_ioport->io1.minimum); 3656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); 3657 outb(v, spic_dev.cur_ioport->io1.minimum); 3658 v1 = inb_p(spic_dev.cur_ioport->io1.minimum); 3659 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", 3660 dev, fn, v, v1); 3661 return v1; 3662 } 3663 3664 /* 3665 * minidrivers for SPIC models 3666 */ 3667 static int type3_handle_irq(const u8 data_mask, const u8 ev) 3668 { 3669 /* 3670 * 0x31 could mean we have to take some extra action and wait for 3671 * the next irq for some Type3 models, it will generate a new 3672 * irq and we can read new data from the device: 3673 * - 0x5c and 0x5f requires 0xA0 3674 * - 0x61 requires 0xB3 3675 */ 3676 if (data_mask == 0x31) { 3677 if (ev == 0x5c || ev == 0x5f) 3678 sony_pic_call1(0xA0); 3679 else if (ev == 0x61) 3680 sony_pic_call1(0xB3); 3681 return 0; 3682 } 3683 return 1; 3684 } 3685 3686 static void sony_pic_detect_device_type(struct sony_pic_dev *dev) 3687 { 3688 struct pci_dev *pcidev; 3689 3690 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3691 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3692 if (pcidev) { 3693 dev->model = SONYPI_DEVICE_TYPE1; 3694 dev->evport_offset = SONYPI_TYPE1_OFFSET; 3695 dev->event_types = type1_events; 3696 goto out; 3697 } 3698 3699 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3700 PCI_DEVICE_ID_INTEL_ICH6_1, NULL); 3701 if (pcidev) { 3702 dev->model = SONYPI_DEVICE_TYPE2; 3703 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3704 dev->event_types = type2_events; 3705 goto out; 3706 } 3707 3708 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3709 PCI_DEVICE_ID_INTEL_ICH7_1, NULL); 3710 if (pcidev) { 3711 dev->model = SONYPI_DEVICE_TYPE3; 3712 dev->handle_irq = type3_handle_irq; 3713 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3714 dev->event_types = type3_events; 3715 goto out; 3716 } 3717 3718 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3719 PCI_DEVICE_ID_INTEL_ICH8_4, NULL); 3720 if (pcidev) { 3721 dev->model = SONYPI_DEVICE_TYPE3; 3722 dev->handle_irq = type3_handle_irq; 3723 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3724 dev->event_types = type3_events; 3725 goto out; 3726 } 3727 3728 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, 3729 PCI_DEVICE_ID_INTEL_ICH9_1, NULL); 3730 if (pcidev) { 3731 dev->model = SONYPI_DEVICE_TYPE3; 3732 dev->handle_irq = type3_handle_irq; 3733 dev->evport_offset = SONYPI_TYPE3_OFFSET; 3734 dev->event_types = type3_events; 3735 goto out; 3736 } 3737 3738 /* default */ 3739 dev->model = SONYPI_DEVICE_TYPE2; 3740 dev->evport_offset = SONYPI_TYPE2_OFFSET; 3741 dev->event_types = type2_events; 3742 3743 out: 3744 pci_dev_put(pcidev); 3745 3746 pr_info("detected Type%d model\n", 3747 dev->model == SONYPI_DEVICE_TYPE1 ? 1 : 3748 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); 3749 } 3750 3751 /* camera tests and poweron/poweroff */ 3752 #define SONYPI_CAMERA_PICTURE 5 3753 #define SONYPI_CAMERA_CONTROL 0x10 3754 3755 #define SONYPI_CAMERA_BRIGHTNESS 0 3756 #define SONYPI_CAMERA_CONTRAST 1 3757 #define SONYPI_CAMERA_HUE 2 3758 #define SONYPI_CAMERA_COLOR 3 3759 #define SONYPI_CAMERA_SHARPNESS 4 3760 3761 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC 3762 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 3763 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 3764 #define SONYPI_CAMERA_MUTE_MASK 0x40 3765 3766 /* the rest don't need a loop until not 0xff */ 3767 #define SONYPI_CAMERA_AGC 6 3768 #define SONYPI_CAMERA_AGC_MASK 0x30 3769 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 3770 3771 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 3772 #define SONYPI_CAMERA_CONTROL 0x10 3773 3774 #define SONYPI_CAMERA_STATUS 7 3775 #define SONYPI_CAMERA_STATUS_READY 0x2 3776 #define SONYPI_CAMERA_STATUS_POSITION 0x4 3777 3778 #define SONYPI_DIRECTION_BACKWARDS 0x4 3779 3780 #define SONYPI_CAMERA_REVISION 8 3781 #define SONYPI_CAMERA_ROMVERSION 9 3782 3783 static int __sony_pic_camera_ready(void) 3784 { 3785 u8 v; 3786 3787 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); 3788 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); 3789 } 3790 3791 static int __sony_pic_camera_off(void) 3792 { 3793 if (!camera) { 3794 pr_warn("camera control not enabled\n"); 3795 return -ENODEV; 3796 } 3797 3798 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, 3799 SONYPI_CAMERA_MUTE_MASK), 3800 ITERATIONS_SHORT); 3801 3802 if (spic_dev.camera_power) { 3803 sony_pic_call2(0x91, 0); 3804 spic_dev.camera_power = 0; 3805 } 3806 return 0; 3807 } 3808 3809 static int __sony_pic_camera_on(void) 3810 { 3811 int i, j, x; 3812 3813 if (!camera) { 3814 pr_warn("camera control not enabled\n"); 3815 return -ENODEV; 3816 } 3817 3818 if (spic_dev.camera_power) 3819 return 0; 3820 3821 for (j = 5; j > 0; j--) { 3822 3823 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) 3824 msleep(10); 3825 sony_pic_call1(0x93); 3826 3827 for (i = 400; i > 0; i--) { 3828 if (__sony_pic_camera_ready()) 3829 break; 3830 msleep(10); 3831 } 3832 if (i) 3833 break; 3834 } 3835 3836 if (j == 0) { 3837 pr_warn("failed to power on camera\n"); 3838 return -ENODEV; 3839 } 3840 3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 3842 0x5a), 3843 ITERATIONS_SHORT); 3844 3845 spic_dev.camera_power = 1; 3846 return 0; 3847 } 3848 3849 /* External camera command (exported to the motion eye v4l driver) */ 3850 int sony_pic_camera_command(int command, u8 value) 3851 { 3852 if (!camera) 3853 return -EIO; 3854 3855 mutex_lock(&spic_dev.lock); 3856 3857 switch (command) { 3858 case SONY_PIC_COMMAND_SETCAMERA: 3859 if (value) 3860 __sony_pic_camera_on(); 3861 else 3862 __sony_pic_camera_off(); 3863 break; 3864 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: 3865 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), 3866 ITERATIONS_SHORT); 3867 break; 3868 case SONY_PIC_COMMAND_SETCAMERACONTRAST: 3869 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), 3870 ITERATIONS_SHORT); 3871 break; 3872 case SONY_PIC_COMMAND_SETCAMERAHUE: 3873 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), 3874 ITERATIONS_SHORT); 3875 break; 3876 case SONY_PIC_COMMAND_SETCAMERACOLOR: 3877 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), 3878 ITERATIONS_SHORT); 3879 break; 3880 case SONY_PIC_COMMAND_SETCAMERASHARPNESS: 3881 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), 3882 ITERATIONS_SHORT); 3883 break; 3884 case SONY_PIC_COMMAND_SETCAMERAPICTURE: 3885 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), 3886 ITERATIONS_SHORT); 3887 break; 3888 case SONY_PIC_COMMAND_SETCAMERAAGC: 3889 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), 3890 ITERATIONS_SHORT); 3891 break; 3892 default: 3893 pr_err("sony_pic_camera_command invalid: %d\n", command); 3894 break; 3895 } 3896 mutex_unlock(&spic_dev.lock); 3897 return 0; 3898 } 3899 EXPORT_SYMBOL(sony_pic_camera_command); 3900 3901 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ 3902 static void __sony_pic_set_wwanpower(u8 state) 3903 { 3904 state = !!state; 3905 if (spic_dev.wwan_power == state) 3906 return; 3907 sony_pic_call2(0xB0, state); 3908 sony_pic_call1(0x82); 3909 spic_dev.wwan_power = state; 3910 } 3911 3912 static ssize_t sony_pic_wwanpower_store(struct device *dev, 3913 struct device_attribute *attr, 3914 const char *buffer, size_t count) 3915 { 3916 unsigned long value; 3917 if (count > 31) 3918 return -EINVAL; 3919 3920 if (kstrtoul(buffer, 10, &value)) 3921 return -EINVAL; 3922 3923 mutex_lock(&spic_dev.lock); 3924 __sony_pic_set_wwanpower(value); 3925 mutex_unlock(&spic_dev.lock); 3926 3927 return count; 3928 } 3929 3930 static ssize_t sony_pic_wwanpower_show(struct device *dev, 3931 struct device_attribute *attr, char *buffer) 3932 { 3933 ssize_t count; 3934 mutex_lock(&spic_dev.lock); 3935 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); 3936 mutex_unlock(&spic_dev.lock); 3937 return count; 3938 } 3939 3940 /* bluetooth subsystem power state */ 3941 static void __sony_pic_set_bluetoothpower(u8 state) 3942 { 3943 state = !!state; 3944 if (spic_dev.bluetooth_power == state) 3945 return; 3946 sony_pic_call2(0x96, state); 3947 sony_pic_call1(0x82); 3948 spic_dev.bluetooth_power = state; 3949 } 3950 3951 static ssize_t sony_pic_bluetoothpower_store(struct device *dev, 3952 struct device_attribute *attr, 3953 const char *buffer, size_t count) 3954 { 3955 unsigned long value; 3956 if (count > 31) 3957 return -EINVAL; 3958 3959 if (kstrtoul(buffer, 10, &value)) 3960 return -EINVAL; 3961 3962 mutex_lock(&spic_dev.lock); 3963 __sony_pic_set_bluetoothpower(value); 3964 mutex_unlock(&spic_dev.lock); 3965 3966 return count; 3967 } 3968 3969 static ssize_t sony_pic_bluetoothpower_show(struct device *dev, 3970 struct device_attribute *attr, char *buffer) 3971 { 3972 ssize_t count = 0; 3973 mutex_lock(&spic_dev.lock); 3974 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); 3975 mutex_unlock(&spic_dev.lock); 3976 return count; 3977 } 3978 3979 /* fan speed */ 3980 /* FAN0 information (reverse engineered from ACPI tables) */ 3981 #define SONY_PIC_FAN0_STATUS 0x93 3982 static int sony_pic_set_fanspeed(unsigned long value) 3983 { 3984 return ec_write(SONY_PIC_FAN0_STATUS, value); 3985 } 3986 3987 static int sony_pic_get_fanspeed(u8 *value) 3988 { 3989 return ec_read(SONY_PIC_FAN0_STATUS, value); 3990 } 3991 3992 static ssize_t sony_pic_fanspeed_store(struct device *dev, 3993 struct device_attribute *attr, 3994 const char *buffer, size_t count) 3995 { 3996 unsigned long value; 3997 if (count > 31) 3998 return -EINVAL; 3999 4000 if (kstrtoul(buffer, 10, &value)) 4001 return -EINVAL; 4002 4003 if (sony_pic_set_fanspeed(value)) 4004 return -EIO; 4005 4006 return count; 4007 } 4008 4009 static ssize_t sony_pic_fanspeed_show(struct device *dev, 4010 struct device_attribute *attr, char *buffer) 4011 { 4012 u8 value = 0; 4013 if (sony_pic_get_fanspeed(&value)) 4014 return -EIO; 4015 4016 return snprintf(buffer, PAGE_SIZE, "%d\n", value); 4017 } 4018 4019 #define SPIC_ATTR(_name, _mode) \ 4020 struct device_attribute spic_attr_##_name = __ATTR(_name, \ 4021 _mode, sony_pic_## _name ##_show, \ 4022 sony_pic_## _name ##_store) 4023 4024 static SPIC_ATTR(bluetoothpower, 0644); 4025 static SPIC_ATTR(wwanpower, 0644); 4026 static SPIC_ATTR(fanspeed, 0644); 4027 4028 static struct attribute *spic_attributes[] = { 4029 &spic_attr_bluetoothpower.attr, 4030 &spic_attr_wwanpower.attr, 4031 &spic_attr_fanspeed.attr, 4032 NULL 4033 }; 4034 4035 static struct attribute_group spic_attribute_group = { 4036 .attrs = spic_attributes 4037 }; 4038 4039 /******** SONYPI compatibility **********/ 4040 #ifdef CONFIG_SONYPI_COMPAT 4041 4042 /* battery / brightness / temperature addresses */ 4043 #define SONYPI_BAT_FLAGS 0x81 4044 #define SONYPI_LCD_LIGHT 0x96 4045 #define SONYPI_BAT1_PCTRM 0xa0 4046 #define SONYPI_BAT1_LEFT 0xa2 4047 #define SONYPI_BAT1_MAXRT 0xa4 4048 #define SONYPI_BAT2_PCTRM 0xa8 4049 #define SONYPI_BAT2_LEFT 0xaa 4050 #define SONYPI_BAT2_MAXRT 0xac 4051 #define SONYPI_BAT1_MAXTK 0xb0 4052 #define SONYPI_BAT1_FULL 0xb2 4053 #define SONYPI_BAT2_MAXTK 0xb8 4054 #define SONYPI_BAT2_FULL 0xba 4055 #define SONYPI_TEMP_STATUS 0xC1 4056 4057 struct sonypi_compat_s { 4058 struct fasync_struct *fifo_async; 4059 struct kfifo fifo; 4060 spinlock_t fifo_lock; 4061 wait_queue_head_t fifo_proc_list; 4062 atomic_t open_count; 4063 }; 4064 static struct sonypi_compat_s sonypi_compat = { 4065 .open_count = ATOMIC_INIT(0), 4066 }; 4067 4068 static int sonypi_misc_fasync(int fd, struct file *filp, int on) 4069 { 4070 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); 4071 } 4072 4073 static int sonypi_misc_release(struct inode *inode, struct file *file) 4074 { 4075 atomic_dec(&sonypi_compat.open_count); 4076 return 0; 4077 } 4078 4079 static int sonypi_misc_open(struct inode *inode, struct file *file) 4080 { 4081 /* Flush input queue on first open */ 4082 unsigned long flags; 4083 4084 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); 4085 4086 if (atomic_inc_return(&sonypi_compat.open_count) == 1) 4087 kfifo_reset(&sonypi_compat.fifo); 4088 4089 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); 4090 4091 return 0; 4092 } 4093 4094 static ssize_t sonypi_misc_read(struct file *file, char __user *buf, 4095 size_t count, loff_t *pos) 4096 { 4097 ssize_t ret; 4098 unsigned char c; 4099 4100 if ((kfifo_len(&sonypi_compat.fifo) == 0) && 4101 (file->f_flags & O_NONBLOCK)) 4102 return -EAGAIN; 4103 4104 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, 4105 kfifo_len(&sonypi_compat.fifo) != 0); 4106 if (ret) 4107 return ret; 4108 4109 while (ret < count && 4110 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), 4111 &sonypi_compat.fifo_lock) == sizeof(c))) { 4112 if (put_user(c, buf++)) 4113 return -EFAULT; 4114 ret++; 4115 } 4116 4117 if (ret > 0) { 4118 struct inode *inode = file_inode(file); 4119 inode->i_atime = current_fs_time(inode->i_sb); 4120 } 4121 4122 return ret; 4123 } 4124 4125 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) 4126 { 4127 poll_wait(file, &sonypi_compat.fifo_proc_list, wait); 4128 if (kfifo_len(&sonypi_compat.fifo)) 4129 return POLLIN | POLLRDNORM; 4130 return 0; 4131 } 4132 4133 static int ec_read16(u8 addr, u16 *value) 4134 { 4135 u8 val_lb, val_hb; 4136 if (ec_read(addr, &val_lb)) 4137 return -1; 4138 if (ec_read(addr + 1, &val_hb)) 4139 return -1; 4140 *value = val_lb | (val_hb << 8); 4141 return 0; 4142 } 4143 4144 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, 4145 unsigned long arg) 4146 { 4147 int ret = 0; 4148 void __user *argp = (void __user *)arg; 4149 u8 val8; 4150 u16 val16; 4151 int value; 4152 4153 mutex_lock(&spic_dev.lock); 4154 switch (cmd) { 4155 case SONYPI_IOCGBRT: 4156 if (sony_bl_props.dev == NULL) { 4157 ret = -EIO; 4158 break; 4159 } 4160 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, 4161 &value)) { 4162 ret = -EIO; 4163 break; 4164 } 4165 val8 = ((value & 0xff) - 1) << 5; 4166 if (copy_to_user(argp, &val8, sizeof(val8))) 4167 ret = -EFAULT; 4168 break; 4169 case SONYPI_IOCSBRT: 4170 if (sony_bl_props.dev == NULL) { 4171 ret = -EIO; 4172 break; 4173 } 4174 if (copy_from_user(&val8, argp, sizeof(val8))) { 4175 ret = -EFAULT; 4176 break; 4177 } 4178 value = (val8 >> 5) + 1; 4179 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, 4180 NULL)) { 4181 ret = -EIO; 4182 break; 4183 } 4184 /* sync the backlight device status */ 4185 sony_bl_props.dev->props.brightness = 4186 sony_backlight_get_brightness(sony_bl_props.dev); 4187 break; 4188 case SONYPI_IOCGBAT1CAP: 4189 if (ec_read16(SONYPI_BAT1_FULL, &val16)) { 4190 ret = -EIO; 4191 break; 4192 } 4193 if (copy_to_user(argp, &val16, sizeof(val16))) 4194 ret = -EFAULT; 4195 break; 4196 case SONYPI_IOCGBAT1REM: 4197 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { 4198 ret = -EIO; 4199 break; 4200 } 4201 if (copy_to_user(argp, &val16, sizeof(val16))) 4202 ret = -EFAULT; 4203 break; 4204 case SONYPI_IOCGBAT2CAP: 4205 if (ec_read16(SONYPI_BAT2_FULL, &val16)) { 4206 ret = -EIO; 4207 break; 4208 } 4209 if (copy_to_user(argp, &val16, sizeof(val16))) 4210 ret = -EFAULT; 4211 break; 4212 case SONYPI_IOCGBAT2REM: 4213 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { 4214 ret = -EIO; 4215 break; 4216 } 4217 if (copy_to_user(argp, &val16, sizeof(val16))) 4218 ret = -EFAULT; 4219 break; 4220 case SONYPI_IOCGBATFLAGS: 4221 if (ec_read(SONYPI_BAT_FLAGS, &val8)) { 4222 ret = -EIO; 4223 break; 4224 } 4225 val8 &= 0x07; 4226 if (copy_to_user(argp, &val8, sizeof(val8))) 4227 ret = -EFAULT; 4228 break; 4229 case SONYPI_IOCGBLUE: 4230 val8 = spic_dev.bluetooth_power; 4231 if (copy_to_user(argp, &val8, sizeof(val8))) 4232 ret = -EFAULT; 4233 break; 4234 case SONYPI_IOCSBLUE: 4235 if (copy_from_user(&val8, argp, sizeof(val8))) { 4236 ret = -EFAULT; 4237 break; 4238 } 4239 __sony_pic_set_bluetoothpower(val8); 4240 break; 4241 /* FAN Controls */ 4242 case SONYPI_IOCGFAN: 4243 if (sony_pic_get_fanspeed(&val8)) { 4244 ret = -EIO; 4245 break; 4246 } 4247 if (copy_to_user(argp, &val8, sizeof(val8))) 4248 ret = -EFAULT; 4249 break; 4250 case SONYPI_IOCSFAN: 4251 if (copy_from_user(&val8, argp, sizeof(val8))) { 4252 ret = -EFAULT; 4253 break; 4254 } 4255 if (sony_pic_set_fanspeed(val8)) 4256 ret = -EIO; 4257 break; 4258 /* GET Temperature (useful under APM) */ 4259 case SONYPI_IOCGTEMP: 4260 if (ec_read(SONYPI_TEMP_STATUS, &val8)) { 4261 ret = -EIO; 4262 break; 4263 } 4264 if (copy_to_user(argp, &val8, sizeof(val8))) 4265 ret = -EFAULT; 4266 break; 4267 default: 4268 ret = -EINVAL; 4269 } 4270 mutex_unlock(&spic_dev.lock); 4271 return ret; 4272 } 4273 4274 static const struct file_operations sonypi_misc_fops = { 4275 .owner = THIS_MODULE, 4276 .read = sonypi_misc_read, 4277 .poll = sonypi_misc_poll, 4278 .open = sonypi_misc_open, 4279 .release = sonypi_misc_release, 4280 .fasync = sonypi_misc_fasync, 4281 .unlocked_ioctl = sonypi_misc_ioctl, 4282 .llseek = noop_llseek, 4283 }; 4284 4285 static struct miscdevice sonypi_misc_device = { 4286 .minor = MISC_DYNAMIC_MINOR, 4287 .name = "sonypi", 4288 .fops = &sonypi_misc_fops, 4289 }; 4290 4291 static void sonypi_compat_report_event(u8 event) 4292 { 4293 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, 4294 sizeof(event), &sonypi_compat.fifo_lock); 4295 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); 4296 wake_up_interruptible(&sonypi_compat.fifo_proc_list); 4297 } 4298 4299 static int sonypi_compat_init(void) 4300 { 4301 int error; 4302 4303 spin_lock_init(&sonypi_compat.fifo_lock); 4304 error = 4305 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); 4306 if (error) { 4307 pr_err("kfifo_alloc failed\n"); 4308 return error; 4309 } 4310 4311 init_waitqueue_head(&sonypi_compat.fifo_proc_list); 4312 4313 if (minor != -1) 4314 sonypi_misc_device.minor = minor; 4315 error = misc_register(&sonypi_misc_device); 4316 if (error) { 4317 pr_err("misc_register failed\n"); 4318 goto err_free_kfifo; 4319 } 4320 if (minor == -1) 4321 pr_info("device allocated minor is %d\n", 4322 sonypi_misc_device.minor); 4323 4324 return 0; 4325 4326 err_free_kfifo: 4327 kfifo_free(&sonypi_compat.fifo); 4328 return error; 4329 } 4330 4331 static void sonypi_compat_exit(void) 4332 { 4333 misc_deregister(&sonypi_misc_device); 4334 kfifo_free(&sonypi_compat.fifo); 4335 } 4336 #else 4337 static int sonypi_compat_init(void) { return 0; } 4338 static void sonypi_compat_exit(void) { } 4339 static void sonypi_compat_report_event(u8 event) { } 4340 #endif /* CONFIG_SONYPI_COMPAT */ 4341 4342 /* 4343 * ACPI callbacks 4344 */ 4345 static acpi_status 4346 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) 4347 { 4348 u32 i; 4349 struct sony_pic_dev *dev = (struct sony_pic_dev *)context; 4350 4351 switch (resource->type) { 4352 case ACPI_RESOURCE_TYPE_START_DEPENDENT: 4353 { 4354 /* start IO enumeration */ 4355 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); 4356 if (!ioport) 4357 return AE_ERROR; 4358 4359 list_add(&ioport->list, &dev->ioports); 4360 return AE_OK; 4361 } 4362 4363 case ACPI_RESOURCE_TYPE_END_DEPENDENT: 4364 /* end IO enumeration */ 4365 return AE_OK; 4366 4367 case ACPI_RESOURCE_TYPE_IRQ: 4368 { 4369 struct acpi_resource_irq *p = &resource->data.irq; 4370 struct sony_pic_irq *interrupt = NULL; 4371 if (!p || !p->interrupt_count) { 4372 /* 4373 * IRQ descriptors may have no IRQ# bits set, 4374 * particularly those those w/ _STA disabled 4375 */ 4376 dprintk("Blank IRQ resource\n"); 4377 return AE_OK; 4378 } 4379 for (i = 0; i < p->interrupt_count; i++) { 4380 if (!p->interrupts[i]) { 4381 pr_warn("Invalid IRQ %d\n", 4382 p->interrupts[i]); 4383 continue; 4384 } 4385 interrupt = kzalloc(sizeof(*interrupt), 4386 GFP_KERNEL); 4387 if (!interrupt) 4388 return AE_ERROR; 4389 4390 list_add(&interrupt->list, &dev->interrupts); 4391 interrupt->irq.triggering = p->triggering; 4392 interrupt->irq.polarity = p->polarity; 4393 interrupt->irq.sharable = p->sharable; 4394 interrupt->irq.interrupt_count = 1; 4395 interrupt->irq.interrupts[0] = p->interrupts[i]; 4396 } 4397 return AE_OK; 4398 } 4399 case ACPI_RESOURCE_TYPE_IO: 4400 { 4401 struct acpi_resource_io *io = &resource->data.io; 4402 struct sony_pic_ioport *ioport = 4403 list_first_entry(&dev->ioports, struct sony_pic_ioport, list); 4404 if (!io) { 4405 dprintk("Blank IO resource\n"); 4406 return AE_OK; 4407 } 4408 4409 if (!ioport->io1.minimum) { 4410 memcpy(&ioport->io1, io, sizeof(*io)); 4411 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, 4412 ioport->io1.address_length); 4413 } 4414 else if (!ioport->io2.minimum) { 4415 memcpy(&ioport->io2, io, sizeof(*io)); 4416 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, 4417 ioport->io2.address_length); 4418 } 4419 else { 4420 pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); 4421 return AE_ERROR; 4422 } 4423 return AE_OK; 4424 } 4425 default: 4426 dprintk("Resource %d isn't an IRQ nor an IO port\n", 4427 resource->type); 4428 4429 case ACPI_RESOURCE_TYPE_END_TAG: 4430 return AE_OK; 4431 } 4432 return AE_CTRL_TERMINATE; 4433 } 4434 4435 static int sony_pic_possible_resources(struct acpi_device *device) 4436 { 4437 int result = 0; 4438 acpi_status status = AE_OK; 4439 4440 if (!device) 4441 return -EINVAL; 4442 4443 /* get device status */ 4444 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ 4445 dprintk("Evaluating _STA\n"); 4446 result = acpi_bus_get_status(device); 4447 if (result) { 4448 pr_warn("Unable to read status\n"); 4449 goto end; 4450 } 4451 4452 if (!device->status.enabled) 4453 dprintk("Device disabled\n"); 4454 else 4455 dprintk("Device enabled\n"); 4456 4457 /* 4458 * Query and parse 'method' 4459 */ 4460 dprintk("Evaluating %s\n", METHOD_NAME__PRS); 4461 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, 4462 sony_pic_read_possible_resource, &spic_dev); 4463 if (ACPI_FAILURE(status)) { 4464 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); 4465 result = -ENODEV; 4466 } 4467 end: 4468 return result; 4469 } 4470 4471 /* 4472 * Disable the spic device by calling its _DIS method 4473 */ 4474 static int sony_pic_disable(struct acpi_device *device) 4475 { 4476 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, 4477 NULL); 4478 4479 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) 4480 return -ENXIO; 4481 4482 dprintk("Device disabled\n"); 4483 return 0; 4484 } 4485 4486 4487 /* 4488 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set 4489 * 4490 * Call _SRS to set current resources 4491 */ 4492 static int sony_pic_enable(struct acpi_device *device, 4493 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) 4494 { 4495 acpi_status status; 4496 int result = 0; 4497 /* Type 1 resource layout is: 4498 * IO 4499 * IO 4500 * IRQNoFlags 4501 * End 4502 * 4503 * Type 2 and 3 resource layout is: 4504 * IO 4505 * IRQNoFlags 4506 * End 4507 */ 4508 struct { 4509 struct acpi_resource res1; 4510 struct acpi_resource res2; 4511 struct acpi_resource res3; 4512 struct acpi_resource res4; 4513 } *resource; 4514 struct acpi_buffer buffer = { 0, NULL }; 4515 4516 if (!ioport || !irq) 4517 return -EINVAL; 4518 4519 /* init acpi_buffer */ 4520 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); 4521 if (!resource) 4522 return -ENOMEM; 4523 4524 buffer.length = sizeof(*resource) + 1; 4525 buffer.pointer = resource; 4526 4527 /* setup Type 1 resources */ 4528 if (spic_dev.model == SONYPI_DEVICE_TYPE1) { 4529 4530 /* setup io resources */ 4531 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4532 resource->res1.length = sizeof(struct acpi_resource); 4533 memcpy(&resource->res1.data.io, &ioport->io1, 4534 sizeof(struct acpi_resource_io)); 4535 4536 resource->res2.type = ACPI_RESOURCE_TYPE_IO; 4537 resource->res2.length = sizeof(struct acpi_resource); 4538 memcpy(&resource->res2.data.io, &ioport->io2, 4539 sizeof(struct acpi_resource_io)); 4540 4541 /* setup irq resource */ 4542 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; 4543 resource->res3.length = sizeof(struct acpi_resource); 4544 memcpy(&resource->res3.data.irq, &irq->irq, 4545 sizeof(struct acpi_resource_irq)); 4546 /* we requested a shared irq */ 4547 resource->res3.data.irq.sharable = ACPI_SHARED; 4548 4549 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; 4550 resource->res4.length = sizeof(struct acpi_resource); 4551 } 4552 /* setup Type 2/3 resources */ 4553 else { 4554 /* setup io resource */ 4555 resource->res1.type = ACPI_RESOURCE_TYPE_IO; 4556 resource->res1.length = sizeof(struct acpi_resource); 4557 memcpy(&resource->res1.data.io, &ioport->io1, 4558 sizeof(struct acpi_resource_io)); 4559 4560 /* setup irq resource */ 4561 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; 4562 resource->res2.length = sizeof(struct acpi_resource); 4563 memcpy(&resource->res2.data.irq, &irq->irq, 4564 sizeof(struct acpi_resource_irq)); 4565 /* we requested a shared irq */ 4566 resource->res2.data.irq.sharable = ACPI_SHARED; 4567 4568 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; 4569 resource->res3.length = sizeof(struct acpi_resource); 4570 } 4571 4572 /* Attempt to set the resource */ 4573 dprintk("Evaluating _SRS\n"); 4574 status = acpi_set_current_resources(device->handle, &buffer); 4575 4576 /* check for total failure */ 4577 if (ACPI_FAILURE(status)) { 4578 pr_err("Error evaluating _SRS\n"); 4579 result = -ENODEV; 4580 goto end; 4581 } 4582 4583 /* Necessary device initializations calls (from sonypi) */ 4584 sony_pic_call1(0x82); 4585 sony_pic_call2(0x81, 0xff); 4586 sony_pic_call1(compat ? 0x92 : 0x82); 4587 4588 end: 4589 kfree(resource); 4590 return result; 4591 } 4592 4593 /***************** 4594 * 4595 * ISR: some event is available 4596 * 4597 *****************/ 4598 static irqreturn_t sony_pic_irq(int irq, void *dev_id) 4599 { 4600 int i, j; 4601 u8 ev = 0; 4602 u8 data_mask = 0; 4603 u8 device_event = 0; 4604 4605 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; 4606 4607 ev = inb_p(dev->cur_ioport->io1.minimum); 4608 if (dev->cur_ioport->io2.minimum) 4609 data_mask = inb_p(dev->cur_ioport->io2.minimum); 4610 else 4611 data_mask = inb_p(dev->cur_ioport->io1.minimum + 4612 dev->evport_offset); 4613 4614 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4615 ev, data_mask, dev->cur_ioport->io1.minimum, 4616 dev->evport_offset); 4617 4618 if (ev == 0x00 || ev == 0xff) 4619 return IRQ_HANDLED; 4620 4621 for (i = 0; dev->event_types[i].mask; i++) { 4622 4623 if ((data_mask & dev->event_types[i].data) != 4624 dev->event_types[i].data) 4625 continue; 4626 4627 if (!(mask & dev->event_types[i].mask)) 4628 continue; 4629 4630 for (j = 0; dev->event_types[i].events[j].event; j++) { 4631 if (ev == dev->event_types[i].events[j].data) { 4632 device_event = 4633 dev->event_types[i].events[j].event; 4634 /* some events may require ignoring */ 4635 if (!device_event) 4636 return IRQ_HANDLED; 4637 goto found; 4638 } 4639 } 4640 } 4641 /* Still not able to decode the event try to pass 4642 * it over to the minidriver 4643 */ 4644 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) 4645 return IRQ_HANDLED; 4646 4647 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", 4648 ev, data_mask, dev->cur_ioport->io1.minimum, 4649 dev->evport_offset); 4650 return IRQ_HANDLED; 4651 4652 found: 4653 sony_laptop_report_input_event(device_event); 4654 sonypi_compat_report_event(device_event); 4655 return IRQ_HANDLED; 4656 } 4657 4658 /***************** 4659 * 4660 * ACPI driver 4661 * 4662 *****************/ 4663 static int sony_pic_remove(struct acpi_device *device) 4664 { 4665 struct sony_pic_ioport *io, *tmp_io; 4666 struct sony_pic_irq *irq, *tmp_irq; 4667 4668 if (sony_pic_disable(device)) { 4669 pr_err("Couldn't disable device\n"); 4670 return -ENXIO; 4671 } 4672 4673 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4674 release_region(spic_dev.cur_ioport->io1.minimum, 4675 spic_dev.cur_ioport->io1.address_length); 4676 if (spic_dev.cur_ioport->io2.minimum) 4677 release_region(spic_dev.cur_ioport->io2.minimum, 4678 spic_dev.cur_ioport->io2.address_length); 4679 4680 sonypi_compat_exit(); 4681 4682 sony_laptop_remove_input(); 4683 4684 /* pf attrs */ 4685 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4686 sony_pf_remove(); 4687 4688 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4689 list_del(&io->list); 4690 kfree(io); 4691 } 4692 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4693 list_del(&irq->list); 4694 kfree(irq); 4695 } 4696 spic_dev.cur_ioport = NULL; 4697 spic_dev.cur_irq = NULL; 4698 4699 dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); 4700 return 0; 4701 } 4702 4703 static int sony_pic_add(struct acpi_device *device) 4704 { 4705 int result; 4706 struct sony_pic_ioport *io, *tmp_io; 4707 struct sony_pic_irq *irq, *tmp_irq; 4708 4709 spic_dev.acpi_dev = device; 4710 strcpy(acpi_device_class(device), "sony/hotkey"); 4711 sony_pic_detect_device_type(&spic_dev); 4712 mutex_init(&spic_dev.lock); 4713 4714 /* read _PRS resources */ 4715 result = sony_pic_possible_resources(device); 4716 if (result) { 4717 pr_err("Unable to read possible resources\n"); 4718 goto err_free_resources; 4719 } 4720 4721 /* setup input devices and helper fifo */ 4722 result = sony_laptop_setup_input(device); 4723 if (result) { 4724 pr_err("Unable to create input devices\n"); 4725 goto err_free_resources; 4726 } 4727 4728 result = sonypi_compat_init(); 4729 if (result) 4730 goto err_remove_input; 4731 4732 /* request io port */ 4733 list_for_each_entry_reverse(io, &spic_dev.ioports, list) { 4734 if (request_region(io->io1.minimum, io->io1.address_length, 4735 "Sony Programmable I/O Device")) { 4736 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", 4737 io->io1.minimum, io->io1.maximum, 4738 io->io1.address_length); 4739 /* Type 1 have 2 ioports */ 4740 if (io->io2.minimum) { 4741 if (request_region(io->io2.minimum, 4742 io->io2.address_length, 4743 "Sony Programmable I/O Device")) { 4744 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", 4745 io->io2.minimum, io->io2.maximum, 4746 io->io2.address_length); 4747 spic_dev.cur_ioport = io; 4748 break; 4749 } 4750 else { 4751 dprintk("Unable to get I/O port2: " 4752 "0x%.4x (0x%.4x) + 0x%.2x\n", 4753 io->io2.minimum, io->io2.maximum, 4754 io->io2.address_length); 4755 release_region(io->io1.minimum, 4756 io->io1.address_length); 4757 } 4758 } 4759 else { 4760 spic_dev.cur_ioport = io; 4761 break; 4762 } 4763 } 4764 } 4765 if (!spic_dev.cur_ioport) { 4766 pr_err("Failed to request_region\n"); 4767 result = -ENODEV; 4768 goto err_remove_compat; 4769 } 4770 4771 /* request IRQ */ 4772 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { 4773 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 4774 0, "sony-laptop", &spic_dev)) { 4775 dprintk("IRQ: %d - triggering: %d - " 4776 "polarity: %d - shr: %d\n", 4777 irq->irq.interrupts[0], 4778 irq->irq.triggering, 4779 irq->irq.polarity, 4780 irq->irq.sharable); 4781 spic_dev.cur_irq = irq; 4782 break; 4783 } 4784 } 4785 if (!spic_dev.cur_irq) { 4786 pr_err("Failed to request_irq\n"); 4787 result = -ENODEV; 4788 goto err_release_region; 4789 } 4790 4791 /* set resource status _SRS */ 4792 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); 4793 if (result) { 4794 pr_err("Couldn't enable device\n"); 4795 goto err_free_irq; 4796 } 4797 4798 spic_dev.bluetooth_power = -1; 4799 /* create device attributes */ 4800 result = sony_pf_add(); 4801 if (result) 4802 goto err_disable_device; 4803 4804 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); 4805 if (result) 4806 goto err_remove_pf; 4807 4808 pr_info("SPIC setup done.\n"); 4809 return 0; 4810 4811 err_remove_pf: 4812 sony_pf_remove(); 4813 4814 err_disable_device: 4815 sony_pic_disable(device); 4816 4817 err_free_irq: 4818 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); 4819 4820 err_release_region: 4821 release_region(spic_dev.cur_ioport->io1.minimum, 4822 spic_dev.cur_ioport->io1.address_length); 4823 if (spic_dev.cur_ioport->io2.minimum) 4824 release_region(spic_dev.cur_ioport->io2.minimum, 4825 spic_dev.cur_ioport->io2.address_length); 4826 4827 err_remove_compat: 4828 sonypi_compat_exit(); 4829 4830 err_remove_input: 4831 sony_laptop_remove_input(); 4832 4833 err_free_resources: 4834 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { 4835 list_del(&io->list); 4836 kfree(io); 4837 } 4838 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { 4839 list_del(&irq->list); 4840 kfree(irq); 4841 } 4842 spic_dev.cur_ioport = NULL; 4843 spic_dev.cur_irq = NULL; 4844 4845 return result; 4846 } 4847 4848 #ifdef CONFIG_PM_SLEEP 4849 static int sony_pic_suspend(struct device *dev) 4850 { 4851 if (sony_pic_disable(to_acpi_device(dev))) 4852 return -ENXIO; 4853 return 0; 4854 } 4855 4856 static int sony_pic_resume(struct device *dev) 4857 { 4858 sony_pic_enable(to_acpi_device(dev), 4859 spic_dev.cur_ioport, spic_dev.cur_irq); 4860 return 0; 4861 } 4862 #endif 4863 4864 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); 4865 4866 static const struct acpi_device_id sony_pic_device_ids[] = { 4867 {SONY_PIC_HID, 0}, 4868 {"", 0}, 4869 }; 4870 4871 static struct acpi_driver sony_pic_driver = { 4872 .name = SONY_PIC_DRIVER_NAME, 4873 .class = SONY_PIC_CLASS, 4874 .ids = sony_pic_device_ids, 4875 .owner = THIS_MODULE, 4876 .ops = { 4877 .add = sony_pic_add, 4878 .remove = sony_pic_remove, 4879 }, 4880 .drv.pm = &sony_pic_pm, 4881 }; 4882 4883 static struct dmi_system_id __initdata sonypi_dmi_table[] = { 4884 { 4885 .ident = "Sony Vaio", 4886 .matches = { 4887 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4888 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), 4889 }, 4890 }, 4891 { 4892 .ident = "Sony Vaio", 4893 .matches = { 4894 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), 4895 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), 4896 }, 4897 }, 4898 { } 4899 }; 4900 4901 static int __init sony_laptop_init(void) 4902 { 4903 int result; 4904 4905 if (!no_spic && dmi_check_system(sonypi_dmi_table)) { 4906 result = acpi_bus_register_driver(&sony_pic_driver); 4907 if (result) { 4908 pr_err("Unable to register SPIC driver\n"); 4909 goto out; 4910 } 4911 spic_drv_registered = 1; 4912 } 4913 4914 result = acpi_bus_register_driver(&sony_nc_driver); 4915 if (result) { 4916 pr_err("Unable to register SNC driver\n"); 4917 goto out_unregister_pic; 4918 } 4919 4920 return 0; 4921 4922 out_unregister_pic: 4923 if (spic_drv_registered) 4924 acpi_bus_unregister_driver(&sony_pic_driver); 4925 out: 4926 return result; 4927 } 4928 4929 static void __exit sony_laptop_exit(void) 4930 { 4931 acpi_bus_unregister_driver(&sony_nc_driver); 4932 if (spic_drv_registered) 4933 acpi_bus_unregister_driver(&sony_pic_driver); 4934 } 4935 4936 module_init(sony_laptop_init); 4937 module_exit(sony_laptop_exit); 4938